1 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
3 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
7 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
9 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
11 2001-06-24 Richard Henderson <rth@redhat.com>
13 * builtins.c (expand_builtin_expect_jump): Disable if the
14 expression can't be re-evaluated.
16 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
18 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
19 handlers examine register r0-r7, for other interrupt handlers
20 examine r0-r12. If the interrupt handler is not a leaf function
21 save all call clobbered registers.
22 (arm_output_epilogue): If the prologue has pushed the IP register,
24 (Arm_expand_prologue): For interrupt functions that need the frame
25 pointer, push the IP register before it is corrupted.
27 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
28 about the use of signed and unsigned quantities in a conditional.
30 2001-06-23 Richard Henderson <rth@redhat.com>
32 * config/alpha/crtfastmath.c: New file.
33 * config/alpha/t-crtfm: New file.
34 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
35 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
36 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
37 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
38 do not set extra_parts here.
40 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
42 * doc/install-old.texi: Remove more documentation of configure
44 * doc/install.texi: Add it here.
46 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
48 * i386-protos.h (emit_i387_cw_initialization): Declare.
49 * i386.md (movsi_insv_1): Remove '*'.
50 (fix_trunc?f?i2): Revamp to use control word parameters.
51 (fix_trunc?i_1): Likewise; update splitters.
52 (fix splitter): Remove.
53 * i386.c (MAX_386_STACK_LOCALS): set to 3.
54 (emit_i387_cw_initialization): New function.
55 (output_fix_trunc): Do not initialize control word;
56 kill dead code; simplify.
58 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
60 * cppmacro.c (make_string_token): Avoid warning.
61 (cpp_macro_definition): Prepend the macro name. Update
63 * cppmain.c (cb_define, dump_macro): Update for changes
64 to cpp_macro_definition.
66 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
68 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
70 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
72 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
73 try_pre_increment_1): compute REG_FREQ using bb->frequency.
75 * regclass.c (loop_cost): Kill.
76 (frequency): New global variable.
77 (record_operand_costs): Replace loop_cost by frequency.
78 (scan_one_insn): Likewise.
79 (regclass): Likewise; set frequency according to bb->frequency.
81 * flow.c (split_edge): Set frequency.
83 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
85 * predict.c (block_info_def): Add nvisited.
86 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
89 * flow.c (dump_edge_info): Dump the probability of edge.
90 (combine_predictions_for_insn): Dump the basic block.
92 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
94 * doc/gcc.texi: Update documentation of source files of C
97 2001-06-22 Richard Henderson <rth@redhat.com>
99 * doc/invoke.texi (-funsafe-math-optimizations): Document its
100 possible effects at link time.
102 2001-06-22 Diego Novillo <dnovillo@redhat.com>
104 * basic-block.h (dump_edge_info): Declare.
105 (clear_edges): Declare.
106 (mark_critical_edges): Declare.
107 * flow.c (dump_edge_info): Remove static declaration.
108 (clear_edges): Ditto.
109 (mark_critical_edges): Ditto.
110 (free_basic_block_vars): Only clear edges and free basic block
111 array if basic_block_info is not NULL.
112 * ssa.c (compute_dominance_frontiers): Remove static declaration.
113 * ssa.h (compute_dominance_frontiers): Declare.
115 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
117 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
118 instead of const1_rtx for true case.
120 2001-06-22 David Mosberger <davidm@hpl.hp.com>
122 * config/ia64/crtfastmath.c: New file.
123 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
124 * config/ia64/linux.h (ENDFILE_SPEC): New.
126 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
128 * config/h8300/h8300.c (asm_file_start): Remove reference to
131 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
133 * c-common.c (verify_tree): Check for x being NULL.
134 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
138 2001-06-22 DJ Delorie <dj@redhat.com>
140 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
141 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
142 (arm_return_addr): Use get_hard_reg_initial_val et al.
143 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
144 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
145 (d30v_return_addr): Use get_hard_reg_initial_val et al.
146 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
147 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
149 (rs6000_mark_machine_status): Remove.
150 (rs6000_return_addr): Use get_hard_reg_initial_val.
151 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
152 * config/v850/v850.h (INIT_EXPANDERS): Delete.
153 * config/v850/v850.c (struct machine_function): Delete.
154 (v850_init_machine_status): Delete.
155 (v850_mark_machine_status): Delete.
156 (v850_free_machine_status): Delete.
157 (v850_return_addr): Use get_hard_reg_initial_val.
158 (v850_init_expanders): Delete.
160 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
162 * predict.c (estimate_bb_frequencies): Do not handle conditional
163 jumps jumping to fallthru basic block as conditional jumps.
165 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
167 * regs.h (struct reg_info_def): Add freq field.
168 (REG_N_REFS): Update comment.
170 * regclass.c (scan_one_insn): Update REG_FREQ.
171 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
172 (attempt_auto_inc): Likewise.
173 (mark_used_reg): Likewise.
174 (try_pre_increment_1): Likewise.
175 * local-alloc.c (struct qty): Add freq field.
176 (alloc_qty): Set freq.
177 (update_equiv_regs): Set REG_FREQ.
178 (QTY_CMP_PRI): Use freq.
179 (combine_regs): Update qty->freq.
180 * global.c (struct allocno): Update comment for n_refs;
182 (local_reg_freq): New array.
183 (global_alloc): Update freq field;
184 allocate and initialize local_reg_freq.
185 (allocno_compare): Use freq field.
186 (find_reg): Likewise.
187 * reload1.c (count_pseudo): Use freq isntead of n_refs.
188 (count_spilled_pseudo): Likewise.
190 * tm.texi (GCOV_TYPE_SIZE): Document.
191 * basic-block.h (gcov_type): Define.
192 (struct edge_def): Use gcov_type for count field.
193 (struct basic_block_def): Likewise.
194 * defaults.h (GCOV_TYPE_SIZE): Define.
195 * final.c (end_final): Use GCOV_TYPE_SIZE.
196 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
197 using HOST_WIDEST_INT_PRINT_DEC.
198 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
199 __write_gcov_type): New.
200 (store_long): Remove.
201 * gcov.c (gcov_type): Set default.
202 (struct adj_list): Use gcov_type for arc_count.
203 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
204 (create_program_flow_graph): Read arc_count properly.
205 (solve_program_flow_graph): 'total' is gcov_type.
206 (output_data): Line_counts is gcov_type, print it properly.
207 * libgcc2.c (struct bb): Counts is gcov_type.
208 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
209 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
210 (GCOV_TYPE_SIZE): Define.
211 (struct bb_info): succ_count and pred_count is gcov_type.
212 (compute_branch_probabilities): Use __read_gcov_type,
213 print read edges to the dump file.
214 (total): Is gcov_type.
215 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
217 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
219 * optabs.c (emit_libcall_block): When using non-call exceptions,
220 don't mark libcalls never throwing.
222 2001-06-21 Stan Shebs <shebs@apple.com>
224 * objc/objc-act.c (hash_init): Use xcalloc.
226 2001-06-21 Richard Henderson <rth@redhat.com>
228 * flow.c (entry_exit_blocks): Initialize frequency.
229 (split_block): Copy it.
230 (dump_flow_info): Dump it.
232 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
234 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
235 from machine-depedent_reorg for purposes of alignment supression
236 when no delay slot insn has been added.
238 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
240 * cppmacro.c (make_string_token): Null terminate.
242 2001-06-21 DJ Delorie <dj@redhat.com>
244 * config/alpha/alpha.h (struct machine_function): Remove.
245 * config/alpha/alpha.c (integrate.h): Include.
246 (override_options): Don't set up machine_status hooks.
247 (alpha_init_machine_status): Remove.
248 (alpha_mark_machine_status): Remove.
249 (alpha_free_machine_status): Remove.
250 (alpha_return_addr): Use get_hard_reg_initial_val.
251 (alpha_gp_save_rtx): Likewise.
252 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
254 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
256 * config/sh/sh.md (interrupt_function): Use
257 current_function_interrupt.
258 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
259 an interrupt function.
261 * config/sh/sh.h (current_function_interrupt): Define extern.
263 * config/sh/sh.c (current_function_interrupt): New global.
264 (sh_expand_prologue): Set current_function_interrupt.
266 2001-06-21 Phil Edwards <pme@sources.redhat.com>
268 * doc/install.texi: Add 'c' to list of --enable-languages choices.
270 2001-06-21 DJ Delorie <dj@redhat.com>
272 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
274 * integrate.c (ggc.h): Include.
275 (initial_value_pair, initial_value_struct,
276 setup_initial_hard_reg_value_integration): Add prototypes.
277 (expand_inline_function): Call
278 setup_initial_hard_reg_value_integration.
279 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
280 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
281 to keep track of values present at the start of a function.
282 (mark_hard_reg_initial_vals): New, for gc.
283 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
284 mappings for initial values.
285 (emit_initial_value_sets): New. Emits code to set initial value
287 * integrate.h: Add prototypes for new functions.
288 * function.h (struct function): Add hard_reg_initial_vals field.
289 * function.c (integrate.h): Include.
290 (mark_function_status): Call
291 mark_hard_reg_initial_vals.
292 * toplev.c (integrate.h): Include.
293 (rest_of_compilation): Call emit_initial_value_sets.
295 2001-06-21 Stan Shebs <shebs@apple.com>
297 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
298 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
299 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
300 everywhere instead of "Objective C".
302 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
304 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
305 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
306 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
307 "back end" as nouns and "front-end" and "back-end" as adjectives.
309 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
311 * predict.c (estimate_probability): Fix loop bounds.
313 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
315 * toplev.c (rest_of_compilation): Run mark_constant_function
318 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
320 * predict.c (estimate_loops_at_level, propagate_freq
321 estimate_bb_frequencies, count_to_freqs): New functions.
322 (estimate_probability): Call estimate_bb_frequencies.
323 * basic-block.h (basic_block_def): Add field "freq".
324 (BB_FREQ_MAX): New constant.
326 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
328 * sh.c (barrier_align): Don't ask for alignment when seeing a
329 branch-around-a-jump from machine_dependent_reorg.
331 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
333 * ssa.c (rename_block): Update parameter to remove_phi_alternative
334 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
335 re-running life analysis.
337 2001-06-20 Stan Shebs <shebs@apple.com>
339 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
340 also use memset to clear the hash tables.
341 (hash_enter): Assume xmalloc always succeeds.
342 (hash_add_attr): Ditto.
343 (continue_class): Ditto.
345 2001-06-20 Michael Meissner <meissner@redhat.com>
347 * builtins.c (predict.h): Include.
348 (expand_builtin_expect): Update comment.
349 (expand_builtin_expect_jump): New function to expand
350 __builtin_expect inside of a conditional jump expansion.
352 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
353 __builtin_expect (<test>, 1).
355 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
357 * rtl.h (expand_builtin_expect_jump): Add prototype.
359 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
361 * doc/rtl.texi (Machine Modes): Correct description of
362 floating-point modes on machines with non-8-bit bytes.
364 2001-06-19 Bernd Schmidt <bernds@redhat.com>
366 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
367 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
370 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
372 * ssa.c (remove_phi_alternative): Remove declaration. No longer
373 static. Second argument is a pointer to a basic block structure,
374 not a basic block index.
375 (convert_to_ssa): Do not remove dead code.
376 (convert_from_ssa): Do not remove dead code to create death notes.
377 * ssa.h (remove_phi_alternative): Declare.
379 * flow.c (delete_unreachable_blocks): Fix patch error in
380 previous change (call to find_unreachable_blocks was lost).
382 * ssa.c (ssa_uses): Remove definition.
383 (apply_delayed_renames): Don't grow ssa_uses.
384 (rename_block): Remove comment related to ssa_uses.
385 (rename_registers): Do not initialize ssa_uses.
386 (convert_from_ssa): Do not free ssa_uses.
388 * ssa-dce.c: Renamed from dce.c.
389 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
390 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
393 2001-06-19 Eric Christopher <echristo@redhat.com>
395 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
396 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
397 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
399 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
401 * sh.c (output_branch): Delete bogus code.
403 * sh.c (initial_elimination_offset):
404 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
406 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
408 * flow.c (find_unreachable_blocks): New function.
409 (delete_unreachable_blocks): Use find_unreachable_blocks.
410 * basic-block.h (find_unreachable_blocks): Declare.
412 * dce.c (eliminate_dead_code): Fix formatting glitch.
414 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
416 * c-common.h (RETURN_NULLIFIED_P): New macro.
417 * c-semantics.c (genrtl_return_stmt): Check it.
419 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
420 (emit_block_move): Likewise.
422 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
424 * unroll.c: Include predict.h.
425 (unroll_loop): Drop prediction notes on preconditioning.
426 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
427 New; add comments on the others.
428 * Makefile.in: (unroll.o): Add dependancy on predict.h.
429 * loop.c (strength_reduce): Fix branch prediction.
431 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
433 * stmt.c (emit_case_nodes): Optimize test whether index is in given
436 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
438 * predict.c (estimate_probability): Do not bail out early
439 when note is present.
440 (combine_predictions_for_insn): Fix note removal code.
442 2001-06-18 Ben Elliston <bje@redhat.com>
444 * except.c (resolve_fixup_regions): Initialise "cleanup".
446 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
448 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
450 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
452 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
453 use put_var_into_stack.
455 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
457 * gccspec.c (lang_specific_driver): If compiling ObjC, add
458 -shared-libgcc when necessary.
459 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
461 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
463 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
464 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
465 bitmap_last_set_bit. All for compatibility with sbitmap's.
467 *bitmap.c (bitmap_zero): New function.
468 (bitmap_union_of_diffs): New function.
469 (bitmap_first_set_bit): New function.
470 (bitmap_last_set_bit): New function.
472 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
474 * cpp.texi, invoke.texi: Update.
475 * cpp.1, gcc.1: Regenerate.
477 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
479 * i386.md (minsf): Fix splitter. (PR fortran/3191)
481 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
483 * doc/cpp.texi: Update.
484 * doc/cpp.1: Regenerate.
486 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
488 * doc/install.texi: Use correct markup hints.
490 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
492 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
494 * explow.c (expr_size): If DECL and size specified, use it.
496 2001-06-15 Zack Weinberg <zackw@stanford.edu>
498 * doc/cpp.texi: Formatting corrections.
499 Correct buggy example of use of __GNUC__ etc.
500 Clarify $ in identifiers.
501 * doc/cpp.1: Regenerate.
503 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
505 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
507 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
509 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
511 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
512 Added Tru64 UNIX V5.1 bootstrap hints.
513 (Specific, alpha*-*-osf*): Removed old section, obsolete.
515 2001-06-15 Andreas Jaeger <aj@suse.de>
517 * doc/install.texi (Specific): Mention that glibc cannot be
518 compiled with GCC 3.0.
520 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
522 * combine.c (nonzero_bits): Don't optimize away division by
525 2001-06-15 Zack Weinberg <zackw@stanford.edu>
527 * doc/cpp.texi: Revised and brought up to date.
528 * doc/cpp.1: Regenerate.
530 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
532 * doc/install.texi: Update --enable-threads to match reality.
534 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
536 * doc/install.texi: Update for C4x.
537 * README.C4X: Remove.
539 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
541 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
542 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
543 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
544 Consistently use "built-in" and "bit-field". Minor logical markup
546 * doc/gcc.1: Regenerate.
548 2001-06-14 Richard Henderson <rth@redhat.com>
550 * config/mips/mips.md (exception_receiver): New.
552 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
554 * doc/gcc.texi: Update passes documentation to be more in tune
557 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
559 * i386.c (ix86_expand_prologue): Fix merging conflict.
561 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
563 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
564 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
565 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
566 logical markup. Use TeX quotes and dashes. Use @dots{} and
567 @minus{}. Avoid spaces inside @var. Update last modification
569 * doc/gcc.1, doc/gcov.1: Regenerate.
571 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
573 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
574 x86_epilogue_using_move): New global variables.
575 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
576 (ix86_emit_save_regs_using_mov): New static function.
577 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
578 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
579 MASK_MIX_SSE_I387): Renumber.
580 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
581 (x86_accumulate_outgoing_args, x86_prologue_using_move,
582 x86_epilogue_using_move): Declare.
583 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
585 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
587 * inclhack.def (hpux10_cpp_pow_inline): New hack.
589 2001-06-13 Richard Henderson <rth@redhat.com>
591 * ifcvt.c (dead_or_predicable): Fix return value last patch.
593 2001-06-13 Mark Mitchell <mark@codesourcery.com>
597 2001-06-13 Richard Henderson <rth@redhat.com>
599 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
600 (cond_exec_process_if_block, dead_or_predicable): Likewise.
602 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
604 * mips-tfile.c (copy_object): Always pass indexNil for symbol
607 2001-06-13 Kazu Hirata <kazu@hxi.com>
609 * config/h8300/h8300.h (OK_FOR_T): Remove.
610 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
611 * config/h8300/h8300.md: Remove alternatives involving inc and dec
612 in the helper patterns for addhi3 and addsi3.
614 2001-06-13 Phil Edwards <pme@sources.redhat.com>
616 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
618 2001-06-13 Zack Weinberg <zackw@stanford.edu>
620 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
621 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
623 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
624 config/alpha/t-osf4, config/mips/t-iris6: Extract all
625 references to @shlib_map_file@, @shlib_objs@, or
626 @shlib_base_name@ to Makefile variables.
627 Bump soname version of libgcc to 1.
629 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
631 * doc/install.texi: Use more logical markup. Include @node
632 commands in the source when generating any non-HTML.
634 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
636 * README: Remove. Some of the contents moved to ../README.
638 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
640 * doc/install.texi (--enable-shared): List package names
643 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
645 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
646 (*-*-solaris*): Document problem in /bin/sh that affects
647 configuring libraries.
648 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
649 (*-sun-solaris2.8): Document linker problem that explains why
650 libjava is disabled by default.
652 2001-06-09 Mark Mitchell <mark@codesourcery.com>
655 * toplev.c (rest_of_compilation): Remove dead code before
658 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
661 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
662 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
663 * configure: Rebuilt.
665 2001-06-12 Jim Wilson <wilson@redhat.com>
667 * loop.c (strength_reduce): Move bl->all_reduced set before
668 check_ext_dependant_givs call.
669 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
671 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
673 * doc/extend.texi (Function Attributes): Document SH's sp_switch
676 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
678 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
681 2001-06-12 Richard Henderson <rth@redhat.com>
683 * config/i386/i386.c (ix86_expand_prologue): Always use
684 gen_pro_epilogue_adjust_stack; update arguments.
685 (ix86_expand_epilogue): Likewise.
686 (ix86_emit_epilogue_esp_adjustment): Remove.
687 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
688 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
689 clobber of scratch memory instead of a modification of EBP as the
690 barrier. Update all peepholes to match.
692 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
694 * doc/gcc.texi: Change the font used for @def... commands to a
696 * doc/extend.texi: Use more logical markup. Use "built-in"
697 instead of "builtin". Use @deftypefn to mark up built-in
698 functions; specify their types in the @deftypefn and not in the
699 descriptive text. Use TeX quotes and dashes. Add more index
702 2001-06-12 lars brinkhoff <lars@nocrew.org>
704 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
705 (DIR_SEPARATOR_2): Likewise.
707 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
709 * doc/install.texi (--exec-prefix, --bindir, --libdir,
710 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
712 (--enable-cpp): Change to document --disable-cpp instead; update
713 to reflect current default.
714 (--without-fast-fixincludes): Remove documentation.
715 (Final install): Document installation directories in more
716 detail. Document use of make dvi.
718 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
720 * recog.c (validate_replace_rtx_1): Fix previous patch.
722 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
724 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
726 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
728 * simplify-rtx.c (simplify_subreg): Allow volatile memory
729 to be subregged in case we don't have move instruction.
731 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
733 * loop.c: Include predict.h
734 (strength_reduce): Drop branch prediction note in case
735 number of iterations is known.
736 * predict.def (PRED_LOOP_ITERATIONS): new.
737 * Makefile.in (loop.o): Add dependancy on predict.h
739 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
741 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
743 * c-typeck.c (c_start_case): Likewise.
745 2001-06-12 Mark Mitchell <mark@codesourcery.com>
747 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
748 in a structure at a variable address.
750 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
752 * doc/gcov.texi: Use more logical markup.
754 2001-06-11 Mark Mitchell <mark@codesourcery.com>
756 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
757 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
758 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
761 2001-06-11 Stan Shebs <shebs@apple.com>
763 * darwin.h (ASM_FILE_END): Remove decl of language_string.
765 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
767 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
768 as an early clobber to make sure it is not used by reload in
771 2001-06-11 Mark Mitchell <mark@codesourcery.com>
773 * doc/c-tree.texi: Update information about flag_honor_std.
774 * doc/install.texi: Note that binutils is required on HPUX 11.
775 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
778 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
779 variable-sized types.
781 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
783 * doc/md.texi: Use TeX dashes and quotes.
785 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
787 * doc/rtl.texi: Reference manual chapter about trees.
789 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
791 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
792 (WINT_TYPE): Override.
793 (WINT_TYPE_SIZE): Likewise.
794 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
796 * config/sparc/sol2.h (WINT_TYPE): Define.
797 (WINT_TYPE_SIZE): Likewise.
799 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
800 (WINT_TYPE): Override.
801 (WINT_TYPE_SIZE): Likewise.
802 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
803 (CPP_ARCH64_SPEC): Likewise.
805 2001-06-11 Richard Henderson <rth@redhat.com>
807 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
808 with alias attribute.
810 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
811 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
813 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
815 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
817 2001-06-11 Stan Shebs <shebs@apple.com>
819 * darwin.c (darwin_encode_section_info): Rewrite to simplify
820 and fix coding mistakes.
822 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
824 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
825 return string from m32r_output_block_move.
826 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
828 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
830 (ROUND_ADVANCE): Remove signed/unsigned conflict.
831 * config/m32r/m32r.c: Declare prototypes for static functions.
832 (move_src_operand): Replace INT32_P with UINT32_P.
833 (function_arg_partial_nregs): Fixed signed/unsigned conflict
834 in initialisation of 'size'.
835 (m32r_sched_reord): Remove redundant declarations of 'code'.
836 (m32r_output_block_move): Change to a void function.
837 (m32r_encode_section_info): Cast return of
838 TREE_STRING_POINTER to avoid compile time warning.
840 2001-06-11 Richard Henderson <rth@redhat.com>
842 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
843 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
844 (struct machine_function): Add gp_save_rtx.
845 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
846 (alpha_gp_save_rtx): New.
847 * config/alpha/alpha-protos.h: Declare it.
848 * config/alpha/alpha.md (exception_receiver): Make an expander.
849 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
851 2001-06-11 Richard Henderson <rth@redhat.com>
853 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
855 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
857 * configure.in: Align --help messages.
858 Remove trailing full stops.
859 Consistently use lower case.
860 Fix DWARF 2 spelling.
861 * configure: Rebuilt.
863 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
865 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
866 variants for .cpp/.cp/.c++ files.
867 Move definition of __LANGUAGE_C_PLUS_PLUS ...
868 (CPLUSPLUS_CPP_SPEC): ... here.
870 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
872 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
874 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
876 * c-decl.c (store_parm_decls): When comparing types in an
877 old-style function declaration with those from a previous
878 prototype, compare the unqualified versions of parameter types.
881 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
883 * doc/objc.texi: Use more logical markup. Use TeX dashes.
885 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
887 * doc/c-tree.texi: Use more logical markup.
889 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
891 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
893 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
895 * loop.c (scan_loop): Do not combine asm statements.
897 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
899 * simplify-rtx.c (simplify_subreg): Fix offset calculation
900 for complex values within a CONCAT.
902 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
904 * doc/install.texi: Update details of what components are included
905 in the GCC distribution. Update default directory for g++
906 includes. Update documentation relating to old libio. Adjust
907 documentation on DejaGnu environment variables. Remove
908 documentation of --enable-cpplib.
910 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
912 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
915 2001-06-10 Richard Henderson <rth@redhat.com>
917 * ifcvt.c (life_data_ok): New.
918 (merge_if_block): Use it to determine whether to update
920 (if_convert): Set it.
922 2001-06-10 Richard Henderson <rth@redhat.com>
924 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
926 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
928 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
929 (SH Options): Document -mieee.
930 * doc/install.texi (Final install): Remove obsolete information
931 about installing cross compilers.
932 * doc/gcc.1: Rebuilt.
934 2001-06-10 Richard Henderson <rth@redhat.com>
936 * config/alpha/alpha.c (override_options): Set align_loops,
937 align_jumps, and align_functions.
938 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
939 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
941 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
943 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
944 are one and two words in size.
946 2001-06-10 Richard Henderson <rth@redhat.com>
948 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
949 (Code Generation Options): Document -fnon-call-exceptions.
951 2001-06-10 Mark Kettenis <kettenis@gnu.org>
953 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
955 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
957 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
959 2001-06-10 Mark Mitchell <mark@codesourcery.com>
960 Gabriel Dos Reis <gdr@codesourcery.com>
962 * Makefile.in (c-parse.o): Depend on diagnostic.h
963 (dwarf2out.o): Likewise.
965 * dwarf2out.c: #include diagnostic.h
967 * toplev.h (warningcount, errorcount, sorrycount): Remove
970 * toplev.c (warningcount, errorcount, sorrycount): Remove
973 * diagnostic.h (struct output_buffer): Reorder fields.
974 (diagnostic_kind_count): New macro.
975 (errorcount, warningcount, sorrycount): Define as macros.
976 (diagnostic_report_warnings_p): New macro.
977 (output_state): Add diagnostic_count field.
979 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
980 Remove tentative declaration.
981 (count_error): Use diagnostic_report_warnings_p.
983 * c-parse.in: #include diagnostic.h
985 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
987 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
988 prefer a memory for operand 1.
989 ("*addsi3"): Fix constraints, the '!' was too strong.
990 ("*addsi3_split"): Accept soft register and split accordingly.
992 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
994 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
995 Move definition in the RTX_CODE section.
997 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
999 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1000 address as relative to the argument pointer.
1002 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1004 * predict.def (PRED_OPCODE): Place before call and error_return.
1006 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1008 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1009 * predict.c (estimate_probability): Calculate dominance
1010 information; improve detection of NORETURN heuristics;
1011 add call/error_return heuiristics; tweak comparison heuristics
1014 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1016 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1017 (Debugging Options): Document -print-multi-directory and
1019 * doc/gcc.1: Rebuilt.
1021 * toplev.c (independent_decode_option): Require `=' between
1022 `-aux-info' and filename in the same argument.
1023 * gcc.c: Don't pass -aux-info=filename twice.
1025 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1027 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1028 an array element with the known initializing value if it has
1031 * toplev.c (rest_of_compilation): Remove dead code before
1034 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1036 * cppinit.c (print_help): Document -fpreprocessed.
1037 * invoke.texi: Similarly.
1039 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1041 * predict.def: New file.
1042 * predict.h: New file.
1043 * predict.c: Include predict.h.
1044 (predictor_info): New structure and array.
1045 (predict_edge, predict_insn): Rewrite; make global.
1046 (predict_edge_def, predict_insn_def): New global functions.
1047 (dump_prediction, combine_predictions_for_insns): New
1049 (estimate_probability): Change calls to predict_edge
1050 to predict_edge_def and calls to predict_insn to predict_insn_def;
1051 combine probabilities.
1052 (expected_value_to_br_prob): Behave as predictor.
1053 * rtl.h (REG_BR_PRED): Update coment.
1054 (invert_br_probabilities): New.
1055 * jump.c: Include predict.h
1056 (duplicate_loop_exit_test): Drop branch prediction notes.
1057 (invert_jump): Use invert_br_probabilities.
1058 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1059 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1060 * combine.c (distribute_notes): Handle BR_PRED.
1062 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1064 * predict.c (predict_insn, predict_edge): New static functions.
1065 (estimate_probability): Revamp to use new functions;
1066 fix loop header heruistics; add loop exist heruistics
1068 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1070 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1072 2001-06-09 Peter Jakubek <pjak@snafu.de>
1074 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1076 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1078 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1079 for integer operations that don't update C bit.
1081 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1083 * gthr-posix.h (__gthread_objc_init_thread_system): If
1084 pthread_key_create fails, it's not clear what the return value is.
1085 This obvious fix makes sure it always returns -1 if a problem
1088 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1090 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1091 more index entries. Use more logical markup where appropriate.
1092 Use TeX quotes and dashes.
1094 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1096 * unwind-pe.h: Conditionally qualify references to abort with
1099 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1101 * doc/invoke.texi: Remove superfluous text.
1103 2001-06-08 Richard Henderson <rth@redhat.com>
1105 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1106 (LIB_SPEC): Mirror config/linux.h version.
1108 2001-06-08 Richard Henderson <rth@redhat.com>
1110 * except.c (get_exception_pointer, get_exception_filter): Take a
1111 struct function. Update all callers.
1112 * except.h (get_exception_pointer): Update declaration.
1113 * expr.c (expand_expr): Update get_exception_pointer call.
1114 * integrate.c (expand_inline_function): Remap the exception pointer
1115 from callee to caller.
1117 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1119 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1120 accurately reflect its cv-qualification.
1121 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1122 cv-qualifiers on function types.
1124 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1126 * basic-block.h: Improve comments.
1127 * except.c (expand_eh_region_end_allowed): Remove redundant call
1128 to do_pending_stack_adjust.
1129 * flow.c (life_analysis): Fix typo in comment.
1130 (calculate_global_regs_live): Add documentation.
1131 (mark_set_1): Likewise.
1132 (debug_regset): Likewise.
1133 * doc/rtl.texi (cond_exec): Document it.
1135 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1137 * i386.h (CONST_COSTS): set cost of constants representable in
1138 immediate fields to 0.
1140 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1142 * function.c (diddle_return_value): Kill code to determine
1143 return value before expand_function_end.
1144 (expand_function_end): Delay call to clobber_return_register
1145 after fucntion return value is computed.
1147 Re-install temporary reverted patch:
1148 * toplev.c (rest_of_compilation): Call split_all_insns
1149 before reg-stack and shorten-branches. Do shorten-branches
1151 * final.c (shorten_branches): Remove insn splitting code.
1153 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1155 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1156 options. Use @opindex to index them rather than other indexing
1157 commands. Use @var{...} instead of <...>. Avoid spaces in names
1158 inside @var. Don't use @kindex to index escape sequences in
1161 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1163 * stmt.c (current_nesting_level): New fn.
1164 * tree.h: Declare it.
1165 * c-semantics.c (genrtl_compound_stmt): Use it.
1167 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1169 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1171 * jump.c (mark_modified_reg): Allow jump threading if condition
1172 codes are represented by a hard register.
1174 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1176 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1177 for complex floats passed to unprototyped functions.
1179 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1181 * except.c (expand_eh_region_end_allowed): Call
1182 do_pending_stack_adjust as necessary.
1184 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1186 * function.c (clobber_return_register): Clobber the pseudo return
1189 * sibcall.c (skip_unreturned_value): New function.
1190 (call_ends_block_p): Use it.
1192 * recog.c (split_insn): Break out from ...
1193 (split_all_insns): ... here; do not use basic block information
1196 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1198 * simplify-rtx.c (simplify_subreg): Fix verification of
1201 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1203 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1204 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1205 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1206 (CPLUSPLUS_CPP_SPEC): ... here.
1207 Fixes PRs c++/3047, target/441.
1209 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1211 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1213 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1215 * doc/gcc.texi: Add trailing slash to URL.
1217 2001-06-07 Stan Shebs <shebs@apple.com>
1219 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1220 (REDO_SECTION_INFO_P): Ditto.
1221 (STRIP_NAME_ENCODING): Ditto.
1222 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1223 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1224 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1225 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1226 * config/darwin.c: No longer include c-tree.h.
1227 (machopic_classify_ident): Rewrite to use symbol encoding.
1228 (lookup_name_darwin): Remove.
1229 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1230 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1231 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1232 (machopic_finish): Ditto, remove test of decl.
1233 (update_non_lazy_ptrs): New function.
1234 (darwin_encode_section_info): New function.
1235 * config/darwin-protos.h: Declare it.
1236 * config/rs6000/rs6000.c (machopic_output_stub): Use
1237 STRIP_NAME_ENCODING.
1239 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1241 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1242 (DECL_SOURCE_LINE): Likewise.
1244 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1246 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1247 from config/elfos.h.
1249 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1251 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1252 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1254 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1256 * doc/contrib.texi: Add copyright notice.
1258 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1260 * doc/md.texi: Use four digit years in copyright notice.
1262 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1264 * config.gcc: For $target_alias of athlon-*, set
1265 target_cpu_default2=5.
1267 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1269 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1270 end of last block if last real insn is a JUMP_INSN.
1272 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1276 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1278 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1279 pthread_t to objc_thread_t.
1280 (__gthread_objc_thread_id): Likewise.
1282 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1284 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1285 (ASM_OLDAS_SPEC): Likewise.
1287 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1288 (CPP_SUBTARGET_SPEC): Use it.
1289 (ASM_OLDAS_SPEC): Define.
1291 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1293 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1295 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1296 passed by reference.
1298 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1300 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1301 Document use of N_(...), and show it in examples. Note that
1302 documentation should be added to invoke.texi. Avoid an overfull
1305 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1307 * toplev.c (rest_of_compilation): Revert previous patch.
1308 * final.c (shorten_branches): Likewise.
1310 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1312 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1315 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1317 * doc/install-old.texi: Remove more obsolete documentation.
1319 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1321 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1323 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1325 * toplev.c (rest_of_compilation): Call split_all_insns
1326 before reg-stack and shorten-branches. Do shorten-branches
1328 * final.c (shorten_branches): Remove insn splitting code.
1330 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1332 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1333 * configure: Rebuilt.
1335 2001-06-07 Andreas Jaeger <aj@suse.de>
1337 * emit-rtl.c (operand_subword): Remove unused variable.
1339 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1341 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1342 if TARGET_64BIT is false.
1343 (floatdi?f_i386_only): New insn.
1344 (floatdi?f_i386): Disable for !TARGET_64BIT.
1346 * (min?f, max?f splitters): Handle case where
1347 operands are cross-matched.
1349 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1350 (MMX_REGISTER_NAMES): Kill.
1351 (PRINT_OPERAND): Fix comment.
1352 (PRINT_REG): Likewise.
1353 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1354 (print_operand): Update comment; kill 'm'.
1356 * i386.c (x86_branch_hints): New global variable
1357 (print_operand): Support outputting of branch prediction hints.
1358 * i386.md (conditional jump patterns): Add branch prediction hints
1360 * i386.h (x86_branch_hints): Declare
1361 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1362 (PRINT_OPERAND_FUNCT_VALID_P): New.
1363 * final.c (final_forward_branch_p): New function.
1365 2001-06-06 Richard Henderson <rth@redhat.com>
1367 * flow.c (mark_used_reg): Clean up looping over multiple hard
1368 registers. Do conditional life bits across multiple hard regs.
1370 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1372 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1373 deleted during reload.
1375 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1377 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1378 functions here, instead of ...
1379 * c-decl.c (c_expand_body): ... here.
1381 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1383 * config.gcc, config/sparc/bsd.h: Do not directly include
1384 sparc/sparc.h. Instead do it via tm_file.
1386 2001-06-05 Richard Henderson <rth@redhat.com>
1388 * dwarf2.h (DW_EH_PE_aligned): New.
1389 * dwarf2asm.c (eh_data_format_name): Name it.
1390 (dw2_asm_output_encoded_addr_rtx): Align for it.
1391 * dwarf2out.c (output_call_frame_info): Handle it for personality
1392 routine and LSDA pointers.
1394 * unwind-pe.h (DW_EH_PE_aligned): New.
1395 (base_of_encoded_value): Handle it.
1396 (read_encoded_value_with_base): Likewise.
1397 * unwind-dw2-fde.c (base_from_object): Likewise.
1398 (get_cie_encoding): Likewise.
1400 * config/alpha/elf.h: Remove ecoff commentary.
1401 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1403 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1405 * config.gcc, config/i386/bsd386.h: Do not directly include
1406 i386/386bsd.h. Instead do it via tm_file.
1408 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1410 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1413 2001-06-05 Pascal Obry <obry@act-europe.fr>
1415 * configure.in: Quote $enable_win32_registry in case the value has
1419 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1421 * print-rtl.c (xspaces): Remove.
1422 (print_rtx): Use printf field-width, rather than xpsaces, to
1424 * toplev.c (main): Disable sibling-call optimization if we are
1425 handling exceptions.
1427 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1429 * reload1.c (reload): Delete all USEs generated during reload.
1431 2001-06-05 scott snyder <snyder@fnal.gov>
1433 * gccbug.in: Fix typo.
1435 2001-06-05 Andreas Jaeger <aj@suse.de>
1437 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1438 parameter and return value.
1440 2001-06-04 Anthony Green <green@redhat.com>
1442 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1443 machine. This is now done in sparc.h.
1445 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1447 Correct CVS resurrection of invoke.texi.
1448 * doc/invoke.texi: Document new tree dump flags.
1450 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1452 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1453 for casting an aggregate to its own type. Fixes PR c/2735.
1455 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1457 * doc/texinfo.tex: Update to version 2001-05-24.08.
1459 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1461 * c-common.h (flag_dump_translation_unit): Remove.
1462 (enum tree_dump_index): Define.
1463 (TDF_ADDRESS, TDF_SLIM): New #defines.
1464 (dump_node_to_file): Remove.
1465 (dump_node): Make extern. Add flags.
1466 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1467 dump_switch_p): Prototype.
1468 * c-common.c (flag_dump_translation_unit): Remove.
1469 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1470 logic. Use dump_switch_p.
1471 * c-dump.h (struct dump_info): Add node and user fields.
1472 (dump_pointer): Declare.
1473 * c-dump.c (dump_node): Make extern. Add flags.
1474 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1475 (dump_new_line, dump_maybe_newline): Use them.
1476 (dump_pointer): New function.
1477 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1478 chain or function's body. Dump address, if TDF_ADDRESS set.
1479 (dump_flag): Define.
1480 (dump_node_to_file): Remove.
1481 (struct dump_file_info): New struct.
1482 (dump_files): New array.
1483 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1484 * c-lang.c (finish_file): Adjust dumping.
1485 * toplev.h (dump_base_name): Make extern.
1486 * invoke.texi: Document new flags.
1488 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1490 * c-tree.h (lang_decl): Add pending_sizes fields.
1491 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1493 (c_expand_body): Expand them.
1494 (lang_mark_tree): Mark lang_decl:pending_sizes.
1495 * function.c (expand_pending_sizes): New function, broken out
1497 (expand_function_start): ... here.
1498 * tree.h (expand_pending_sizes): Declare it.
1500 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1502 * doc/install.texi: Update FreeBSD information. Generalize
1503 and update information for alpha-based platforms using ELF.
1505 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1507 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1508 (store_parm_decls): Likewise.
1509 * c-typeck.c (convert_arguments): Likewise.
1511 2001-06-04 Richard Henderson <rth@redhat.com>
1513 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1514 optimization if current_function_calls_setjmp.
1516 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1518 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1521 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1523 * simplify-rtx.c (simplify_subreg): Fix combining of
1524 paradoxical subregs.
1526 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1528 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1529 (no_labels_between_p): Short circuit case beg==end.
1531 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1533 * rtlanal.c (operand_preference): Fix preference for objects.
1535 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1537 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1540 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1542 * combine.c (if_then_else_cond): Use simplify_subreg instead
1544 * integreate.c (sub_constants): Likewise.
1546 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1548 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1549 and use simplify_gen_subreg.
1551 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1553 * sibcall.c (skip_copy_to_return_value): recognize the situation
1554 when the called function's return value is copied into an
1555 intermediate pseudo, and then into the calling functions return
1558 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1560 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1561 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1562 in case register wasn't OK previously, accept it now; allow
1563 subregs of frame pointer if reload completed and frame pointer
1566 * combine.c (sombine_simplify_rtx): Fix comment;
1567 use subreg_lowpart_offset instead of subreg_lowpart_p
1568 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1569 * rtl.h (subreg_lowpart_parts_p): Kill.
1570 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1571 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1572 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1573 (gen_lowpart_common): Likewise.
1574 (subreg_lowpart_p): Likewise.
1575 (subreg_lowpart_parts_p): Kill.
1576 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1578 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1579 to simplify SUBREG and REG.
1580 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1582 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1585 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1587 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1589 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1590 (ARRAY_RANGE_REF): Added description.
1592 * tree.def (ARRAY_RANGE_REF): New code.
1593 * alias.c (handled_component_p, can_address_p): Handle it.
1594 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1595 * explow.c (set_mem_attributes): Likewise.
1596 * expr.c (expand_assignment, get_inner_reference): Likewise.
1597 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1598 * fold-const.c (operand_equal_p): Likewise.
1599 * tree.c (staticp, stabilize_reference): Likewise.
1600 * varasm.c (decode_addr_const): Likewise.
1602 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1604 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1605 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1607 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1609 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1610 mark_constant_pool_use before output_addr_const.
1611 (struct pool_node): New field wend.
1612 (add_constant): Note a sequence of constants that are referenced
1614 (pool_window_label, pool_window_last): New variables.
1615 (dump_table): Emit a unspec_volatile representing the end of a
1616 sequence of constants.
1617 (mark_constant_pool_use): New function.
1618 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1619 (consttable_2): Add the second operand which flags whether
1620 this consttable entry was used or not.
1621 (consttable_4, consttable_8, consttable_sf, consttable_df):
1623 (consttable_window_end): New insn.
1625 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1627 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1628 Reformat according to coding standards.
1631 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1632 (shl_and_kind): Cast wide constant.
1633 (gen_far_branch): Define as static, as in declaration.
1634 (barrier_align): Compute cache-line length as unsigned. Add
1635 parentheses in initial credit computation.
1636 (rounded_frame_size): Add parentheses.
1637 (permanent_obstack): Remove declaration. Include ggc.h for
1638 declaration of ggc_add_root_rtx().
1639 (get_free_reg): Removed declaration of unused variable reg.
1640 (legitimize_pic_address): Mark mode argument as unused.
1642 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1644 * config/sh/sh.c (output_branch): Support for insn with lenght
1645 attr 12 & 16 which represents cond branches outside +-4096 range.
1647 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1649 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1650 cache-mirroring sequence. Add nops.
1652 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1654 * doc/install-old.texi: Remove more old installation
1656 * doc/install.texi: Add relevant parts here.
1658 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1660 * doc/install.texi2html: New script.
1662 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1664 * doc/install.texi: Update AIX information again.
1666 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1668 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1669 installation documentation.
1670 * doc/install.texi: Move it to here.
1672 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1674 * doc/install.texi: Clean up Texinfo markup.
1676 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1678 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1679 to just after title page.
1681 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1683 * doc/install-old.texi: Remove documentation of some configuration
1685 * doc/install.texi: Add relevant parts of this documentation here.
1687 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1689 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1690 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1692 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1694 * i386.md (all uses of ext_register_operand): Make sure they are
1695 VOIDmode; replace all uses outside zero_extend.
1696 (and?i splitters): Use ext_register_operands.
1697 (test?i peep2): Remove ignored constraints.
1698 * i386.c (ext_register_operand): Check that operand is
1699 eighter pseudo or hard or 'Q' register.
1701 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1703 * tree.h (struct record_layout_info_s): New field unpadded_align.
1704 (set_lang_adjust_rli): New declaration.
1705 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1706 it would have if not packed, do not downgrade DECL_ALIGN.
1707 (lang_adjust_rli, set_lang_adjust_rli): New.
1708 (start_record_layout): Initialize new field unpadded_align.
1709 (debug_rli): Display it.
1710 (place_union_field, place_field): Set it.
1711 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1713 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1714 mean that; use proper names instead.
1715 Print DECL_NO_STATIC_CHAIN.
1717 * except.c (expand_builtin_frob_return_addr): Add missing call
1718 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1719 (expand_builtin_eh_return): Likewise.
1720 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1722 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1724 * doc/invoke.texi: Remove references to papers about sequence points
1725 to readings.html, refer to that page.
1727 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1729 * README: Update references to installation instructions.
1731 2001-06-01 Laurent Guerby <guerby@acm.org>
1732 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1734 * doc/install.texi: Define srcdir when sources come from CVS.
1735 Significantly improve markup. Wrap overly long lines
1737 2001-06-01 DJ Delorie <dj@redhat.com>
1739 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1740 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1741 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1742 gcov.1: Move to doc subdirectory.
1743 * install.texi: Move to doc/install-old.texi.
1744 * gcc.texi: Move to doc, refer to install-old.texi.
1745 * Makefile.in: Reflect move of docs to doc/.
1746 * f/Make-lang.in: Ditto.
1747 * java/Make-lang.in: Ditto.
1748 * doc/.cvsignore: New.
1750 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1752 * invoke.texi: use two spaces between command options, eliminate
1753 some 'overfull hboxes'
1755 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1757 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1758 (DRIVER_DEFINES): Ditto.
1760 2001-05-31 Richard Henderson <rth@redhat.com>
1762 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1763 also link against libgcc.a.
1765 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1767 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1768 * config/mips/mips.c (mips_output_ascii): New function.
1769 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1771 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1773 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1775 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1776 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1778 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1780 * install.texi (Configuration): Add html links for --with-gnu-as &
1781 --with-gnu-ld and refer to them from hppa & SCO triplets.
1782 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1783 (Specific): Reword AVR binutils recommendation.
1785 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1787 * ggc-page.c (size_lookup): Increase minimum allocation size
1789 (ggc_print_statistics): Report size of each bin in bytes, not
1790 as its order; there is no longer a direct relationship.
1792 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1794 * extend.texi: Fix formating of examples, eliminate some
1796 * gcc.texi: Eliminate some 'overfull hboxes'.
1797 * invoke.texi: Use two spaces between command options, eliminate
1798 some 'overfull hboxes'.
1800 2001-05-30 Richard Henderson <rth@redhat.com>
1802 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1804 2001-05-30 Tom Tromey <tromey@redhat.com>
1806 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1807 use it in the new association.
1809 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1810 John David Anglin <dave@hiauly1.hia.nrc.ca>
1812 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1813 to target type to allow ISO C++ compiler to accept it.
1814 * gthr-dce.h (__gthread_active_ptr): Likewise.
1815 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1817 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1819 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1820 so that we do accept comments in preprocessed input.
1822 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1824 * cpphash.c (alloc_node): Cast allocated pointer.
1826 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1828 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1830 2001-05-29 Stan Shebs <shebs@apple.com>
1832 * gcc.texi: Add links for information about Objective-C.
1834 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1836 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1837 /bin/sed fails on [^\"]).
1838 (configargs.h): Likewise.
1840 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1842 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1844 2001-05-28 Stan Shebs <shebs@apple.com>
1846 * objc/objc.gperf: Remove, no longer used.
1848 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1850 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1851 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1852 Remove trailing whitespace.
1854 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1856 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1857 became http://freeware.sgi.com/.
1859 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1861 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1864 2001-05-27 Stan Shebs <shebs@apple.com>
1866 * objc/objc-act.c: Add/fix various comments.
1867 (init_selector): Remove, no longer used.
1868 (build_msg_pool_reference): Ditto.
1869 (objc_debug): Ditto.
1871 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1873 * c-decl.c (init_decl_processing):
1874 Don't call start_identifier_warnings.
1875 * flags.h (warn_id_clash, id_clash_len): Remove.
1876 * stringpool.c: Don't include flags.h.
1877 (scan_for_clashes, do_identifier_warnings,
1878 start_identifier_warnings): Remove.
1879 * toplev.c (warn_id_clash, id_clash_len): Remove.
1880 (display_help): Don't document -Wid-clash.
1881 (decode_W_option): Print warning on -Wid-clash.
1882 * tree.h (start_identifier_warnings): Remove.
1883 * invoke.texi: Remove documentation of -Wid-clash.
1885 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1887 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1889 2001-05-27 Bruce Korb <bkorb@gnu.org>
1891 * fixinc/check.tpl(HACK) add and use a Scheme variable
1892 (has no test text): error out if no "test_text" is defined
1893 * fixinc/fixincl.tpl: likewise
1894 (FIXIDX): make it an enumeration so we minimize diffs
1895 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1896 * fixinc/fixincl.x: regenerate
1897 * fixinc/tests/base/stdio.h: test output got moved due to
1899 * README-fixinc: rewrite (mostly)
1901 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1903 * cpplib.c (run_directive): Set pfile->directive.
1905 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1907 * c-tree.texi: Reformat the manual as a single chapter now
1908 included by gcc.texi.
1909 * gcc.texi: Include c-tree.texi. Merge all indexes.
1910 * Makefile.in (dvi): Add generation for the cppinternals
1911 documentation. Added dependencies on fdl.texi and c-tree.texi
1912 where appropriate. Use TEXI2DVI instead of custom tex calls.
1913 (info): Added dependencies on fdl.texi and c-tree.texi where
1914 appropriate. Remove the target c-tree.info.
1916 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1918 * combine.c (try_combine): Fix typo in comment.
1919 * expr.c (expand_expr): Likewise.
1920 * config/i370/i370.md (untyped_call): Likewise.
1922 2001-05-26 Bruce Korb <bkorb@gnu.org>
1924 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1925 when fixincl is operating in test mode
1926 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1927 (AAB_ultrix_limits): remove redundant text
1928 (AAB_ultrix_memory): ditto
1929 (AAB_ultrix_string): ditto
1930 (djgpp_wchar_h): fix the test text
1931 (irix_stdio_va_list): add test text
1932 (irix_limits_const): add a testing output file (limits.h is overwritten)
1933 (strict_ansi_not_ctd): put limits.h second in list for same reason
1934 (solaris27_mutex_init): test text needed selection text, too
1936 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1937 when fixincl is operating in test mode
1939 2001-05-26 Philip Blundell <philb@gnu.org>
1941 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1942 * config/i960/i960-protos.h: Likewise.
1943 * config/i370/i370-protos.h: Likewise.
1944 * config/h8300/h8300-protos.h: Likewise,
1945 * config/sh/sh-protos.h: Likewise.
1946 * config/v850/v850-protos.h: Likewise.
1948 2001-05-26 Philip Blundell <philb@gnu.org>
1950 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1952 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1954 * toplev.c (debug_args, f_options, W_options): Mark
1955 descriptions for translation.
1956 (display_help): Translate descriptions on output.
1958 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1959 objc/lang-options.h: Mark descriptions for translation.
1961 * aclocal.m4: Quote final argument of patsubst. Use
1962 3-argument form of AC_DEFINE. Restore quotes to [] while
1964 * configure.in: Remove unnecessary changequote calls.
1965 * configure, config.in: Regenerate.
1967 2001-05-25 Sam TH <sam@uchicago.edu>
1969 * basic-block.h: Fix header include guards.
1970 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1971 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1972 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1973 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1974 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1975 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1976 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1977 varray.h version.h: Likewise.
1978 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1979 config/arm/arm.h config/c4x/c4x-protos.h
1980 config/h8300/h8300-protos.h config/h8300/h8300.h
1981 config/i370/i370-protos.h config/i370/i370.h
1982 config/i960/i960-protos.h config/mcore/mcore.h
1983 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1984 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1985 * fixinc/fixlib.h fixinc/server.h: Likewise.
1987 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1989 * config/arc/initfini.c (.init): Fix typo.
1991 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1993 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1995 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1997 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1999 2001-05-25 Richard Henderson <rth@redhat.com>
2001 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2003 2001-05-25 Richard Henderson <rth@redhat.com>
2005 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2006 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2007 (sparc*-*-solaris2): Likewise.
2008 * config/t-linux: Remove shared libgcc macros.
2009 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2010 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2012 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2014 * config.gcc (*-*-freebsd*): Report bad configuration.
2016 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2018 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2020 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2022 (ASM_OUTPUT_LABELREF): Delete.
2024 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2026 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2027 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2028 * fixinc/fixincl.x: Regenerate.
2029 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2030 (FIX_TEST_TABLE): Declare it.
2031 * fixinc/fixlib.h: Include config.h.
2033 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2035 * fixinc/inclhack.def (alpha___assert): Change char * args to
2036 const char * on Tru64 UNIX to avoid excessive warnings from
2038 * fixinc/fixincl.x: Regenerate.
2040 2001-05-25 Geoff Keating <geoffk@redhat.com>
2042 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2043 outputting a tag only for variable-size records.
2045 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2047 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2048 instead of rtx_equal_p for early clobber test.
2050 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2052 * builtins.def: Encode additional information, such as names and
2054 * builtin-types.def: New file.
2055 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2056 (built_in_decls): Likewise. Don't explicitly initialize global
2058 (expand_builtin_mathfn): Handle float and long double variants of
2060 (expand_builtin): Likewise.
2061 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2062 (expand_tree_builtin): Handle long, long long, float, and long
2063 double variants of math functions.
2064 * c-common.h (c_tree_index): Remove some unused nodes.
2065 (void_ftype): Remove.
2066 (void_type_ptr): Likewise.
2067 (int_ftype_int): Likewise.
2068 (ptr_ftype_sizetype): Likewise.
2069 * c-decl.c (init_decl_processing): Remove creation of DWARF
2071 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2072 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2073 * Makefile.in (c-common.o): Depend on builtin-types.def.
2075 2001-05-25 Dale Johannesen <dalej@apple.com>
2077 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2079 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2081 * c-parse.in (notype_initdcl): Remove redundant line.
2083 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2085 * aclocal.m4: Fixed typo.
2086 (gcc_AC_HEADER_STDBOOL): Define.
2087 (gcc_AC_C__BOOL): Define.
2088 * configure.in: Use them.
2089 (AC_CHECK_HEADERS): Remove stdbool.h
2090 * configure, config.in: Regenerate.
2092 2001-05-25 Richard Henderson <rth@redhat.com>
2094 * function.c (expand_function_start): Don't abort on PARALLEL
2095 returns from hard_function_value.
2097 2001-05-25 Richard Henderson <rth@redhat.com>
2099 * config/i386/i386.md: Revert previous change. Do not apply
2100 the peephole if the components do not die after the sequence.
2102 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2104 * c-parse.in (array_declarator): New. Handle C99 constructs.
2105 Don't restrict [*] declarators to C only.
2106 (after_type_declarator, parm_declarator_starttypename,
2107 parm_declarator_nostarttypename, notype_declarator,
2108 direct_absdcl1): Use it.
2109 * c-decl.c (build_array_declarator, set_array_declarator_type):
2110 New functions. Warn that [*] isn't properly implemented; pedwarn
2111 for [*] outside C99 mode if pedantic rather than giving a hard
2113 (grokdeclarator): Handle static and type qualifiers in parameter
2115 * c-tree.h (build_array_declarator, set_array_declarator_type):
2117 * extend.texi (Attribute Syntax): Document attributes in parameter
2120 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2122 * config/i386/i386.md: Make sure cmpstr peepholes do not
2123 affect liveness information.
2125 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2127 * c-typeck.c (digest_init): Issue error messages about
2128 invalid constants, not warnings.
2130 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2132 * invoke.texi (-fno-builtin): Document that this is always on
2135 2001-05-24 Philip Blundell <philb@gnu.org>
2137 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2140 2001-05-24 Philip Blundell <philb@gnu.org>
2142 * config/arm/arm.c (output_return_instruction): Correctly handle
2143 interworking and interrupt functions.
2145 2001-05-24 Philip Blundell <philb@gnu.org>
2147 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2148 -m{no-}sched-prolog. Fix typos and improve formatting.
2150 2001-05-24 Philip Blundell <philb@gnu.org>
2152 * invoke.texi (ARM Options): Improve wording slightly. Add
2153 documentation for more options, including those for Thumb mode.
2154 Don't mention options that don't exist or are unimplemented.
2155 (Thumb Options): Delete; merged into above section.
2157 2001-05-24 Geoff Keating <geoffk@redhat.com>
2159 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2160 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2162 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2164 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2165 fix hard register simplification.
2167 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2169 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2170 of just copying CPP_CPU_SPEC.
2172 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2174 * i386.c (incdec_operand): Accept only 1 and -1.
2176 2001-05-23 Kelley Cook <kelley.cook@home.com>
2178 * Makefile.in: Move many of the *_H definitions eariler in the
2179 file, so that rules in t-* files that use them for
2180 dependencies will work in a parallel build.
2181 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2183 2001-05-23 Richard Henderson <rth@redhat.com>
2185 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2187 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2189 * cpp.texi: Update for handling of charconsts.
2190 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2191 diagnostics. Skip to the end if the UCS is too short.
2192 (cpp_interpret_charconst): Long charconsts issue a warning
2195 2001-05-23 Richard Henderson <rth@redhat.com>
2197 * doc/install.texi (alpha-linux): Require binutils 2.11.
2199 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2201 * c-lex.c (read_escape, read_ucs): Delete.
2202 (lex_string): Use cpp_parse_escape.
2203 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2204 if not C++ or not C99. Warn if traditional.
2205 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2206 unsigned. Warn for out-of-range escape sequences here.
2207 Update to use maybe_read_ucs.
2208 (cpp_interpret_charconst): Don't warn here.
2209 * cpplib.h (cpp_parse_escape): New exported function.
2211 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2213 * extend.texi (Attribute Syntax): Clarify application of
2214 attributes to parameters declared as functions or arrays.
2216 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2218 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2220 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2222 * diagnostic.c (vnotice): Kill.
2223 (fnotice): Call vfprintf directly.
2224 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2225 verbatim, set_diagnostic_context): Rename string argument to
2226 indicate that it is run through gettext.
2227 (vbuild_message_string, build_message_string, output_do_printf):
2228 Rename string argument to indicate that it is NOT run through
2230 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2231 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2232 Run msgid argument through gettext.
2233 (default_print_error_function): Run constant strings through
2234 gettext when nothing else will.
2235 (fatal_error, internal_error, error_recursion): Use fnotice.
2236 Present complete sentences to gettext.
2238 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2240 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2242 2001-05-23 Richard Henderson <rth@redhat.com>
2244 * function.c (expand_function_start): Always use a pseudo
2245 for the function result value.
2247 2001-05-22 Richard Henderson <rth@redhat.com>
2249 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2250 section pointer alignment.
2252 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2254 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2255 of __USER_LABEL_PREFIX__.
2257 2001-05-22 Richard Henderson <rth@redhat.com>
2259 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2260 (__deregister_frame_info_bases): New.
2261 * unwind-dw2-fde.h: Declare it.
2262 * libgcc-std.ver: Export it.
2263 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2264 called __register_frame_info_bases.
2266 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2268 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2269 instead of #elif (which is OK for this case but not in general).
2271 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2273 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2274 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2275 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2276 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2277 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2279 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2280 David O'Brien <obrien@freebsd.org>
2282 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2283 configure-time options and target version of FreeBSD. Set-up
2284 to match architectural change in threading support. Correctly
2285 report when -pthread option is not supported by configure-time
2287 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2288 and extend to encode target version number in run-time setting
2289 of __FreeBSD__ macro to match the system compiler.
2290 (CPP_PREDEFINES): Likewise.
2291 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2293 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2294 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2296 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2297 David O'Brien <obrien@freebsd.org>
2299 * config.gcc (the unlabeled system switch statement): Add
2300 generic configuration section to handle *-*-freebsd*. Also,
2301 to match the system compiler, default to threading support (it
2302 may be disabled with the standard --disable-threads
2303 configuration-time switch).
2304 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2305 (alpha*-*-freebsd* in machine-specific section): Likewise.
2307 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2308 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2309 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2310 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2311 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2313 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2314 David O'Brien <obrien@freebsd.org>
2316 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2317 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2318 -pthread instead setting macro.
2320 2001-05-22 Richard Henderson <rth@redhat.com>
2322 * crtstuff.c (__register_frame_info_bases): Declare.
2323 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2324 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2326 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2327 (CRT_GET_RFIB_DATA): New.
2328 * config/i386/sysv4.h: Likewise.
2329 * config/i386/sco5.h: Likewise.
2330 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2332 2001-05-22 Richard Henderson <rth@redhat.com>
2334 * rtl.c (read_string): Break out from ...
2335 (read_rtx): ... here.
2337 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2339 * doc/install.texi (Specific): Remove a bogus and duplicate part
2340 copied from the end of the document.
2342 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2344 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2346 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2348 * install.texi: Remove obsolete information on SunOS as well as
2349 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2350 (Installing GNU CC on the Sun): Remove section.
2352 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2354 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2355 keep errno unchanged on success.
2357 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2359 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2360 once for hexadecimal floats, whether or not they contain a decimal
2361 point. Don't let the setting of pedantic otherwise affect the
2362 parsing of hexadecimal floats.
2364 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2366 * README.ACORN: Remove obsolete file.
2368 2001-05-22 Jan Hubicka <jh@suse.cz>
2370 * combine.c (gen_binary): Use swap_commutative_operands_p
2371 (simplify_comparison): Likewise.
2372 * expmed.c (emit_store_flag): Likewise.
2373 * expr.c (compare_from_rtx): Likewise.
2374 (do_compare_rtx_and_jump): Likewise.
2375 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2376 if not emitting a branch and operands want swapping.
2378 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2380 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2381 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2382 (maybe_get_identifier): Update.
2383 * tree.h (make_identifier): Delete.
2385 2001-05-21 Richard Henderson <rth@redhat.com>
2387 * combine.c (subst): Do not substitute for a register as
2388 a destination subreg/strict_low_part/zero_extract.
2390 * combine.c (simplify_comparison): Update op1 after constant
2392 * recog.c (const_int_operand): Accept only constants valid
2394 * genrecog.c: Update comments wrt const_int_operand.
2396 * emit-rtl.c (init_emit_once): Zero unused memory in a
2399 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2401 * tree.h (type_num_arguments): Declare it.
2402 * tree.c (type_num_arguments): New function.
2404 2001-05-21 Richard Henderson <rth@redhat.com>
2406 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2409 2001-05-21 Geoff Keating <geoffk@redhat.com>
2411 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2413 (minsf3): Use rs6000_emit_minmax.
2414 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2416 (movsfcc): Use rs6000_emit_cmove.
2417 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2418 Don't generate emit_fselsfsf4.
2419 (fseldfsf4): Likewise.
2420 (maxdf3): Use rs6000_emit_minmax.
2422 (mindf3): Use rs6000_emit_minmax.
2423 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2425 (movdfcc): Use rs6000_emit_cmove.
2426 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2427 Don't generate emit_fselsfsf4.
2428 (fselsfdf4): Likewise.
2429 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2430 (min_max_operator): New predicate.
2431 (rs6000_emit_cmove): New function.
2432 (rs6000_emit_minmax): New function.
2433 * config/rs6000/rs6000-protos.h: Prototype new functions.
2434 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2435 and min_max_operator.
2437 * config/rs6000/rs6000.c (output_cbranch): Handle all
2438 conditional types in the switch statement.
2440 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2442 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2443 non-register variables.
2444 * extend.texi: Document that asm-specifications do not make sense
2445 for non-static local variables.
2447 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2449 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2450 (dbxout_type_fields): Lose minimal_debug support.
2451 (dbxout_type_methods, dbxout_type): Likewise.
2453 2001-05-17 Andrew Haley <aph@redhat.com>
2455 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2457 2001-05-21 Richard Henderson <rth@redhat.com>
2459 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2462 2001-05-20 Richard Henderson <rth@redhat.com>
2464 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2465 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2466 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2467 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2468 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2470 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2471 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2472 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2473 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2474 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2475 DEBUG_PUBNAMES_SECTION): Rename as above.
2476 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2478 2001-05-20 Richard Henderson <rth@redhat.com>
2480 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2481 operands unless the operation is commutative.
2483 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2485 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2488 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2490 * extend.texi: Clarify documentation of extensions included in ISO
2491 C99. Prefer C99 terminology and syntax to old GNU terminology and
2492 syntax. Add more index entries. Document mixed declarations and
2493 code as an extension in C89 mode. Warn about future changes to
2494 semantics of inline functions. Fixes PR other/930.
2496 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2498 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2499 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2500 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2501 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2503 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2505 2001-05-20 Richard Henderson <rth@redhat.com>
2507 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2508 to be output before a branch.
2510 2001-05-20 Richard Henderson <rth@redhat.com>
2512 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2514 2001-05-20 Richard Henderson <rth@redhat.com>
2516 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2517 (ASM_DOUBLE): Remove.
2518 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2519 * config/i386/sun386.h: Likewise.
2521 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2522 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2524 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2525 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2526 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2527 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2529 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2530 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2531 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2532 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2533 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2534 * config/i386/win32.h: Likewise.
2536 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2538 * invoke.texi: Add more options to summary list.
2540 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2542 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2543 used. Fixes PR c/2291.
2544 * gcc.1: Regenerate.
2546 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2548 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2549 the -fpic and -fPIC options, clear flag_pic.
2551 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2553 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2554 * stringpool.c (make_identifier): No statistics here anymore.
2555 * objc-act.c (steup_string_decl): Remove redundant check.
2557 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2559 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2560 cpplib.o, cpphash.o, fix-header): Update.
2561 (hashtable.o): New target.
2562 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2563 struct c_common_identifier here.
2564 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2565 * c-lex.c (c_lex): Update.
2566 * c-pragma.h: Update.
2567 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2569 (C_RID_CODE): Delete.
2570 * cpphash.c: Rewrite to use hashtable.c.
2571 * cpphash.h: Update include guards.
2572 (struct cpp_reader): Remove hashtab.
2573 hash_ob and buffer_ob are no longer pointers. Add hash_table
2575 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2576 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2577 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2578 * cppinit.c (cpp_create_reader): Update.
2579 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2580 (cpp_interpret_charconst): Eliminate warning.
2581 * cpplib.c (do_pragma, do_endif, push_conditional,
2582 cpp_push_buffer, cpp_pop_buffer): Update.
2583 (_cpp_init_stacks): Rename cpp_init_directives.
2584 (_cpp_cleanup_stacks): Remove.
2585 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2586 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2587 cpp_forall_identifiers, cpp_create_reader): Update.
2588 (C_RID_CODE, cpp_make_node): New.
2589 (c_common_identifier): New identifier node for C front ends.
2590 * cppmain.c (main): Update.
2591 * fix-header.c (read_scan_file): Update.
2592 * flags.h (id_clash_len): Make unsigned.
2593 * ggc.h (ggc_mark_nonnull_tree): New.
2596 * stringpool.c: Update comments and copyright. Update to use
2598 * toplev.c (approx_sqrt): Move to hashtable.c.
2599 (id_clash_len): Make unsigned.
2600 * toplev.h (ident_hash): New.
2601 * tree.c (gcc_obstack_init): Move to hashtable.c.
2602 * tree.h: Include hashtable.h.
2603 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2604 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2605 (struct tree_identifier): Update.
2606 (make_identifier): New.
2608 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2609 (C_RID_CODE): Remove.
2610 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2611 (init_parse): Don't do it here.
2613 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2615 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2617 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2619 (expand_eh_return): Convert between word_mode and Pmode.
2620 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2622 (execute_stack_op): Likewise.
2623 (execute_cfa_program): Likewise.
2624 (uw_frame_state_for): Likewise.
2625 (uw_update_context_1): Likewise.
2626 * unwind.inc (_Unwind_Reason_Code): Likewise.
2627 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2628 (EH_RETURN_STACKADJ_RTX): Likewise.
2629 * config/mips/mips.c (compute_frame_size): Make space for saving
2630 EH return registers.
2631 (mips_expand_epilogue): Handle EH stack adjustments.
2632 * config/mips/mips.md (eh_return): New pattern.
2633 (eh_set_lr_si): Likewise.
2634 (eh_set_lr_di): Likewise.
2635 Add splitter to perform EH return after reload.
2637 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2639 * jump.c (mark_jump_label): Tidy previous change.
2641 2001-05-19 Bruce Korb <bkorb@gnu.org>
2643 * fixinc/genfixes: no need for two warnings
2644 * fixinc/Makefile.in: open stdin for those building with a closed one.
2646 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2648 * jump.c (jump_optimize_1): Tidy.
2649 (mark_jump_label): When changing the label in a LABEL_REF, change
2650 update any REG_EQUAL notes as well.
2652 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2654 * c-parse.in (parm_declarator): Split into
2655 parm_declarator_starttypename and parm_declarator_nostarttypename.
2656 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2657 New. Allow parenthesised sub-declarators which don't begin with a
2658 TYPENAME. Fixes PR c/166.
2660 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2662 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2664 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2666 * toplev.c (main): If the target does not allow profiling without
2667 a frame pointer, issue an error message.
2668 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2671 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2673 * recog.c (general_operand): Modify last change to allow it if reload
2676 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2678 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2679 subregs containing mem.
2681 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2683 * regrename.c (regrename_optimize): frame pointer register can
2686 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2688 * README.DWARF: Move into dwarfout.c.
2690 2001-05-18 Dale Johannesen <dalej@apple.com>
2692 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2693 specific misuse of r0 as a reload address.
2695 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2697 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2700 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2702 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2703 (add_to_sequence): Make that decision type.
2704 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2705 (write_switch, write_cond, debug_decision_2): Likewise.
2707 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2709 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2712 2001-05-18 Stan Shebs <shebs@apple.com>
2714 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2715 * configure: Regenerate.
2717 2001-05-18 Per Bothner <per@bothner.com>
2719 Changes needed for java/jvspec.c
2720 * gcc.h (n_infiles, outfiles): Add declarations.
2721 * gcc.c (n_infiles, outfiles): Mske no longer static.
2723 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2725 * config/pa/som.h (EXCEPTION_SECTION): Define.
2727 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2729 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2731 Add have_location_lists, a variable to determine whether we need a
2732 .debug_loc section or not.
2733 (enum dw_val_class): Add dw_val_class_loc_list.
2734 (dw_val_struct): Add val_loc_list.
2735 (dw_loc_list_struct): New structure, represents location lists.
2736 (new_loc_list): New function, return a new location list, given
2737 the range and location expression.
2738 (add_loc_descr_to_loc_list): New function, add a location
2739 expression to a location list, given the expression and range.
2740 (output_loc_list): New function, output a location list.
2741 (gen_internal_sym): Modified to take symbol prefix, so we can
2742 reuse it for location list symbols.
2743 (add_AT_loc_list): New function, add a location list to a DIE at
2744 the named attribute.
2745 (AT_loc_list): New function, return the location list reference
2746 for a given attribute, if it's a location list.
2747 (print_die): Handle dw_val_class_loc_list.
2748 (size_of_die): Ditto.
2749 (value_format): Ditto.
2750 (output_die): Ditto.
2751 (output_location_lists): New function, output all of the location
2752 lists for a DIE and it's children.
2753 (dwarf2out_finish): Call output_location_lists if we have location
2757 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2759 * gcse.c (try_replace_reg): First try global replace, later try to
2760 simplify the expression.
2762 * gcse.c (find_used_regs): Change calling convention; work via
2764 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2766 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2769 2001-02-09 Nick Clifton <nickc@redhat.com>
2770 * config/arm/arm.md: Change output constraint on post inc
2771 load/store multiple patterns to be a read/write constraint.
2773 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2775 * basic-block.h (struct basic_block_def): Add documentation about
2776 what a basic block is, and what the various fields are used for.
2777 * flow.c (calculate_globlal_regs_live): Add documentation about
2778 how the algorithm works, and how we know that it will terminate.
2779 Check that the the inductive assumption that guarantees
2780 termination actually holds.
2781 (mark_used_regs): Treat conditionally set registers as used.
2782 (debug_regset): Add comment.
2783 * rtl.texi (cond_exec): Add documentation.
2785 * function.c (expand_function_start): Avoid creating BLKmode
2788 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2790 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2791 DIE, even if it has no children.
2792 (dwarf2out_finish): Always output the line-number table, even if
2795 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2797 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2799 2001-05-17 Bruce Korb <bkorb@gnu.org>
2801 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2802 * fixinc/genfixes: emit a warning if AutoGen is out of date
2804 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2805 Bruce Korb <bkorb@gnu.org>
2807 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2808 found in fixinc directory. Facilitates binary distributions.
2810 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2812 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2815 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2817 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2819 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2821 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2822 (simplify_subreg): Handle complex types represented as CONCAT.
2824 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2825 * rtl.h (swap_commutative_operands_p): Declare.
2826 * rtlanal.c (swap_commutative_operands_p): New.
2827 (operand_preference): New static function.
2829 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2830 (gen_binary): Likewise.
2831 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2832 * simplify-rtx.c (simplify_gen_binary,
2833 simplify_gen_relational): Likewise.
2835 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2837 * cse.c (fold_rtx): Use simplify_subreg.
2839 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2840 (simplify_gen_subreg): New.
2841 (simplify_rtx): Use simplify_subreg.
2842 * rtl.h (simplify_gen_subreg): Declare.
2844 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2846 * doc/install.texi: Update Solaris information.
2848 * except.h (protect_cleanup_actions): Remove it.
2849 (lang_protect_cleanup_actions): Declare it.
2850 * except.c (protect_cleanup_actions): Remove it.
2851 (lang_protect_cleanup_actions): New variable.
2852 (init_eh): Don't make protect_cleanup_actions a GC root.
2853 (expand_eh_region_and_cleanup): Call
2854 lang_protect_cleanup_actions.
2855 (output_function_exception_table): Remove unused `align'
2857 * varasm.c (assemble_external): Abort if we have not yet
2858 opened the assembly output file.
2860 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2862 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2863 for eh_personality_libfunc.
2865 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2867 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2868 when calling simplify_subreg. This is needed to allow replacing
2869 of expression of one mode by expression of different mode.
2871 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2873 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2875 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2877 * expr.c (protect_from_queue): Protect against subsequent calls to
2879 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2882 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2884 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2886 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2888 * gccbug.in (CATEGORIES): Add "bootstrap".
2890 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2892 * simplify-rtx.c (simplify_subreg): Break out from ...
2893 * combine.c (combine_splify_rtx) ... here and ...
2894 * recog.c (validate_replace_rtx_1): ... here;
2895 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2896 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2897 (subreg_lowpart_p): ... here.
2899 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2901 * stmt.c (expand_asm_operands): For inout operands, make sure
2902 the substitution of '=' for '+' makes it into the rtl.
2904 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2905 (reload_as_needed): Call update_eliminable_offsets a bit later.
2907 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2909 * gcc.texi (gccbug): Refer to the web pages for detailed information
2912 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2914 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2916 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2917 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2918 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2919 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2920 * cross-make: Don't set LIBGCC1.
2921 * mklibgcc.in: Delete all code for building from libgcc1.c.
2922 Always honor LIB1ASMFUNCS if set.
2924 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2925 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2926 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2927 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2928 config/i386/uwin.asm, config/m68hc11/larith.asm,
2929 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2930 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2931 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2932 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2933 Delete or update references to libgcc1 in commentary.
2935 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2936 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2937 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2938 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2939 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2940 config/arm/t-semi, config/arm/t-strongarm-coff,
2941 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2942 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2943 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2944 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2945 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2946 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2947 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2948 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2949 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2950 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2951 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2952 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2953 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2954 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2955 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2956 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2957 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2958 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2959 config/mips/t-ultrix, config/mn10200/t-mn10200,
2960 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2961 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2962 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2963 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2964 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2965 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2966 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2967 config/sparc/t-sparclite, config/sparc/t-splet,
2968 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2969 config/sparc/t-vxsparc64, config/v850/t-v850:
2970 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2972 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2973 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2974 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2975 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2976 nongcc_SI_type, nongcc_word_type, or perform_*
2977 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2979 * config/i386/386bsd.h, config/i386/beos-elf.h,
2980 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2981 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2982 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2983 Don't include i386/perform.h.
2985 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2986 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2987 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2988 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2989 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2990 config/vax/t-openbsd, config/vax/t-vax: Delete.
2992 * config.gcc: Remove references to deleted files.
2993 (arm-semi-aof): Use arm/t-semi for tmake_file.
2995 * gcc.texi, install.texi, invoke.texi, tm.texi:
2996 Delete or rewrite text which is no longer relevant now that
2997 libgcc1 no longer exists.
2999 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3000 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3002 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3003 Bruce Korb <bkorb@gnu.org>
3005 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3008 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3010 * i386.md: Add two peepholes to clean up code generated by
3013 2001-05-16 Richard Henderson <rth@redhat.com>
3015 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3016 variants of non-absolute encodings.
3018 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3020 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3021 __register_frame_info_table_bases): Export.
3023 2001-05-16 Richard Henderson <rth@redhat.com>
3025 * except.c (eh_data_format_name): Move to ...
3026 * dwarf2asm.c: ... here. Use designated initializers if available.
3027 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3028 * dwarf2asm.h: Update declarations.
3029 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3030 ASM_PREFERRED_EH_DATA_FORMAT.
3031 (output_call_frame_info): Likewise. Use 'L' augmentation for
3034 * unwind-dw2-fde.h (struct fde_vector): New.
3035 (struct old_object): Rename from struct object.
3036 (struct object): New.
3037 (__register_frame_info_bases): Declare.
3038 (__register_frame_info_table_bases): Declare.
3039 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3040 * unwind-dw2-fde.c (objects): Remove.
3041 (unseen_objects, seen_objects): New.
3042 (__register_frame_info_bases): New.
3043 (__register_frame_info): Use it.
3044 (__register_frame_info_table_bases): New.
3045 (__register_frame_info_table): Use it.
3046 (__deregister_frame_info): Rewrite for changed object struct.
3047 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3048 (fde_unencoded_compare): Rename from fde_compare; uninline.
3049 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3050 (start_fde_sort): Adjust for new definition of fde_vector.
3051 (fde_insert): Likewise.
3052 (end_fde_sort): Likewise. Select comparison function based
3053 on properties of the object.
3054 (fde_split): Take object and fde_compare_t arguments.
3055 (frame_heapsort, fde_merge): Likewise.
3056 (classify_object_over_fdes): Rename from count_fdes. Handle
3057 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3059 (add_fdes): Handle encoded pointers.
3060 (init_object): Rename from frame_init. Update for new struct object.
3061 (linear_search_fdes): Rename from search_fdes. Handle encoded
3063 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3064 (binary_search_single_encoding_fdes): New.
3065 (binary_search_mixed_encoding_fdes): New.
3066 (search_object): New.
3067 (_Unwind_Find_FDE): Update for new struct object. Fill in
3069 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3070 iterating over EH data.
3071 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3072 fde_encoding, lsda_encoding.
3073 (read_uleb128, read_sleb128): Remove.
3074 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3075 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3076 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3078 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3080 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3082 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3083 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3084 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3085 cpp_spell_token, cpp_output_token): Similarly.
3086 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3087 do_pragma_poison, parse_assertion, do_assert): Similarly.
3088 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3089 save_parameter, _cpp_create_definition, check_trad_stringification,
3090 cpp_macro_definition): Similarly.
3091 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3092 * c-lex.c (cb_undef, c_lex): Similarly.
3093 * fix-header.c (recognized_function): Similarly.
3094 * cpplib.h (NODE_LEN, NODE_NAME): New.
3095 (cpp_hashnode): Rename length len.
3097 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3099 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3102 2001-05-16 Andreas Jaeger <aj@suse.de>
3104 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3106 * toplev.c: Include dwarf2asm.h for prototype of
3107 dw2_output_indirect_constants.
3109 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3111 * stmt.c (expand_asm_operands): Be able to offload addressof
3112 expression to memory. (PR optimization/185)
3114 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3116 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3117 applying distributive law.
3119 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3121 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3123 * gthr-dce.h (UNUSED): Attribute unused macro.
3124 (__gthread_key_dtor): Make arguments UNUSED.
3125 (__gthread_key_delete): Revise for compatibility with DRAFT4
3128 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3130 * doc/install.texi: Update AIX information.
3131 * README.RS6000: Remove obsolete file.
3133 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3134 Nathan Sidwell <nathan@codesourcery.com>
3136 * gcc.c (give_switch): Don't write before start of string.
3137 Always append suffix.
3139 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3141 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3144 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3146 * README.ALTOS: Remove obsolete file.
3148 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3150 * c-lex.h (save_and_forget_protocol_qualifiers,
3151 forget_protocol_qualifiers, remember_protocol_qualifiers):
3152 Remove deleted functions' prototypes.
3154 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3156 * c-parse.in (methodtype): New production.
3157 (methoddef, methodproto): Collapse separate '-' and '+'
3160 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3162 * c-common.h (RID_FIRST_PQ): New.
3163 * c-parse.in (objc_pq_context): New.
3164 (objc parser): Set objc_pq_context rather than calling
3165 remember_protocol_qualifiers and forget_protocol_qualifiers.
3166 Don't call save_and_forget_protocol_qualifiers.
3167 (yylexname): Handle objc protocol qualifiers here.
3168 * stringpool.c (struct str_header): Replace with sp_hashnode.
3169 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3170 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3171 Allocate an IDENTIFIER_NODE for each identifier.
3172 (FORALL_STRINGS, set_identifier): Delete.
3173 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3174 (ggc_alloc_string): Use an obstack.
3175 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3176 * tree.h: Update comments.
3177 (set_identifier): Delete.
3178 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3179 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3180 remember_protocol_qualifiers): Delete.
3182 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3184 * flow.c (life_analysis): After life analysis is complete, do
3185 an optional scan over insns looking for REG_LABEL notes that
3186 reference a deleted label.
3187 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3188 before peeking at LABEL_NUSES.
3190 2001-05-15 Richard Henderson <rth@redhat.com>
3192 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3193 (_Unwind_GetTextRelBase): New.
3195 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3197 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3199 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3201 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3202 so that CHOOSE_SECTION gets used.
3204 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3205 TARGET_RELOCATABLE like flag_pic for now.
3207 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3209 * rs6000.md (movdi splitter): Sign extend more efficiently.
3210 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3211 to "long long" valid on 32-bit and 64-bit hosts.
3212 (logical_operand): Cast trunc_int_for_mode return value.
3213 (rs6000_emit_move): Shift macro to encapsulate variable.
3214 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3215 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3216 plus_constant requires signed argument.
3218 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3220 * gthr-posix.h: Make additional pthread-* functions weak.
3222 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3224 * recog.c (apply_change_group): Avoid unneeded validating.
3226 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3228 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3229 (num_insns_constant): CONST_INT can be 64-bits.
3231 2001-05-14 Stan Shebs <shebs@apple.com>
3233 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3234 (LIBGCC_SPEC): Don't define.
3236 2001-05-14 Richard Henderson <rth@redhat.com>
3238 * configure.in (gcc_cv_as_eh_frame): New test.
3239 * config.in, configure: Rebuild.
3240 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3242 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3244 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3245 extended precision divide.
3247 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3249 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3250 for RETURNS as well.
3252 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3254 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3255 (CPP_CPU??_SIZE_TYPE): New.
3256 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3257 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3258 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3259 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3261 * i386.c (override_options): Add sorry about not suported modes.
3263 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3265 * config/pa/som.h (NM_FLAGS): Remove.
3266 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3267 (ASM_OUTPUT_SECTION_NAME): Remove.
3268 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3270 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3272 * regrename.c (regrename_optimize): Do not rename registers to
3275 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3277 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3278 contain MEMs. Remove useless distinction about clobbering
3281 2001-05-13 Geoff Keating <geoffk@redhat.com>
3283 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3284 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3285 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3286 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3287 (EXCEPTION_SECTION): Define.
3289 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3291 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3292 binary backward compat only.
3293 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3294 in LIB2FUNCS. Pass it to mklibgcc.
3295 * mklibgcc.in: Handle LIB2FUNCS_ST.
3297 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3299 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3301 * tm.texi (THREAD_MODEL_SPEC): Document it.
3302 * gcc.c (main): Use it.
3303 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3304 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3306 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3308 * rtl.h (SYMBOL_REF_WEAK): New macro.
3309 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3310 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3311 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3312 * gcc.texi: Remove wrong description.
3314 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3316 * Makefile.in (STAMP): New macro.
3317 Replace all uses of `touch' with $(STAMP).
3318 * fixinc/Makefile.in: Likewise.
3320 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3322 * configure.in: ldopen is never in -lexc, so don't test for it.
3323 Add test for exc_resume in -lexc for Ada.
3324 * configure: Regenerated.
3326 2001-05-12 Richard Henderson <rth@redhat.com>
3328 * dwarf2asm.c (size_of_encoded_value): New function.
3329 * dwarf2asm.h: Declare it.
3330 * except.c (output_function_exception_table): Align the TType
3331 array only as wide as the encoding.
3333 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3335 * extend.texi: Document #pragma GCC java_exceptions.
3337 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3339 * c-parse.in (bison parser, init_reswords): Remove uses of
3341 * c-tree.h (doing_objc_thang): Remove.
3343 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3345 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3346 about files not ending in newlines.
3348 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3350 * dwarfout.c (dwarfout_init): Add cast.
3351 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3352 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3354 * method.c (build_mangled_C99_name): Remove unused prototype.
3356 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3358 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3360 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3362 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3363 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3365 2001-05-11 Richard Henderson <rth@redhat.com>
3367 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3368 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3369 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3370 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3371 (dw2_output_indirect_constants): Prototype.
3372 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3373 current_function_func_begin_label if we'll need it for EH. Exit
3374 early for IA64_UNWIND_INFO.
3375 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3376 (eh_data_format_name): Update for indirect references.
3377 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3378 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3379 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3380 define HAVE_eh_return etc.
3381 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3382 (final_end_function): Don't call output_function_exception_table.
3383 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3384 (rest_of_compilation): Invoke output_function_exception_table
3385 for ia64 before assemble_end_function.
3386 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3387 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3389 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3390 * unwind.h: Declare them.
3391 * libgcc-std.ver: Export them.
3392 * unwind-pe.h: New file.
3394 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3396 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3398 (find_fde_for_dso): Extract DT_PLTGOT.
3399 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3400 the segment and gp as well.
3401 * config/ia64/frame-ia64.c: Remove file.
3402 * config/ia64/frame-ia64.h: Remove file.
3403 * config/ia64/unwind-ia64.c: New file.
3404 * config/ia64/unwind-ia64.h: New file.
3405 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3406 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3407 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3408 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3409 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3410 (IA64_UNWIND_INFO): Re-enable.
3411 (HANDLER_SECTION): Remove.
3412 (EH_RETURN_DATA_REGNO): New.
3413 * config/ia64/ia64.md (exception_receiver): Remove.
3414 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3415 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3417 2001-05-11 Richard Henderson <rth@redhat.com>
3419 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3420 calls and jumps to be bundled together.
3421 (ia64_reorg): Emit a break after a noreturn call that ends
3423 * config/ia64/ia64.md (break_f): New.
3425 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3427 * c-lex.c (lex_charconst): Convert into a simple wrapper
3428 around cpp_interpret_charconst, to which most of the code
3430 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3431 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3432 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3433 (lex): Use cpp_interpret_charconst.
3434 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3435 hex_digit_value): New functions.
3436 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3437 * cpplib.h (cpp_interpret_charconst): New prototype.
3438 * Makefile.in: Update.
3440 2001-05-12 Dean Wakerley <dean@wakerley.com>
3442 * doc/install.texi: New file. Converted to texinfo from the HTML
3443 documentation in wwwdocs/htdocs/install.
3445 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3447 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3448 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3450 * toplev.c (compile_file): Move comment for opening output
3451 file to just before the code that opens the output file.
3453 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3455 * regmove.c (regmove_optimize): Suppress the optimization for
3456 unchanging destination register. Add comment above function.
3458 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3460 * Makefile.in: Exterminate all references to assert.h.
3461 * cross-make: Likewise.
3463 * configure.in: Correct commentary.
3464 * configure: Regenerate.
3466 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3469 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3470 config/t-netbsd, config/t-rtems, config/x-linux,
3471 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3472 No need to override INSTALL_ASSERT_H.
3474 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3475 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3476 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3478 2001-05-11 Graham Stott <grahams@redhat.com>
3480 * combine.c (simplify_comparison): Fix typo.
3482 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3484 * loop.h (struct movables): Remove `num'.
3485 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3486 Adjust call to strength_reduce.
3487 (num_unmoved_movables): New function.
3488 (move_movables): Don't set movables->num.
3489 (strength_reduce): Compute the number of instructions in the loop
3490 here, rather than in the caller.
3491 (check_dbra_loop): Always clear reversible_mem_store if there
3492 are any memory sets.
3493 (loop_regs_scan): Don't count instructions here.
3494 (count_insn_in_loop): New function.
3496 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3498 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3500 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3502 * c-common.c (finish_label_expr): New function, lifted from
3503 from cp/semantics.c.
3504 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3505 * c-parse.in: Move 3 blocks of parser code into new functions.
3506 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3507 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3508 (lookup_label): Remove.
3510 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3512 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3513 FLOAT_BIT_ORDER_MISMATCH.
3515 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3517 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3518 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3520 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3522 * expr.c (emit_group_load): extract_bit_field requires a REG or
3525 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3527 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3528 a computed jump into an unconditional jump.
3529 In second hunk of code for collapsing computed and conditional jumps
3530 into unconditional jumps, reemit the jump in additional cases.
3532 * jump.c (jump_optimize_1): Do not wrap the new jump target
3533 inside a LABEL_REF; gen_jump will do that automatically.
3535 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3537 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3538 contents for a SYMBOL_REF in case of floating point constants.
3540 2001-05-10 DJ Delorie <dj@redhat.com>
3542 * c-common.c (combine_strings): Widen strings in a
3543 host-endian-independent way.
3545 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3547 * c-parse.in: Remove many shift/reduce conflicts. Update
3549 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3550 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3551 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3552 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3553 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3554 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3555 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3556 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3557 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3558 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3559 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3560 typespec_reserved_nonattr, typespec_reserved_attr,
3561 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3562 structsp_nonattr, components_notype, component_notype_declarator,
3563 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3564 firstparm, setspecs_fp): New
3565 (typed_declspecs, reserved_declspecs, typed_typespecs,
3566 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3567 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3568 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3569 type_quals): Remove. Users updated.
3570 (initdecls, notype_initdecls, after_type_declarator,
3571 parm_declarator, notype_declarator, absdcl1, components, ivars):
3572 Don't allow attributes at the start of a declarator; include them
3573 in the production containing the declarator instead. Always
3574 require type specifiers before trying to redeclare a typedef name.
3575 (typename): Allow for attributes but warn that they are ignored.
3576 (parmlist, firstparm, setspecs_fp): Include attributes in
3577 parmlist; suck them off the parser stack in firstparm using
3580 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3582 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3583 to determine if a block has an unconditional jump at its end.
3585 * jump.c (jump_optimize_1): When converting a conditional jump
3586 to an unconditional jump, build the jump using gen_jump instead
3587 of just modify operands in-place.
3589 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3591 * cppinit.c (cpp_post_options): Shut off macro expansion if
3593 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3594 IN_I directives only if the # is in column 1 and the directive
3595 name begins in column 2.
3596 * cppmain.c (scan_buffer): Insert a space between # and an
3597 identifier, when that identifier is a directive name.
3599 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3600 in the header search path.
3601 (enum node_type): Add T_INCLUDE_NEXT.
3602 (directive_table): Add entry for include_next.
3603 (do_include_next): New function.
3604 (process_include): New routine, broken out of do_include.
3605 (finclude): Insert 'nhd' argument, to be copied into
3606 next_header_dir of the new buffer.
3607 (main): Adjust to match.
3608 * gsyslimits.h, limity.h: Un-indent #include_next.
3610 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3612 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3613 inclusion as a chapter of the GCC manual.
3614 * gcc.texi: Include objc.texi.
3615 * fdl.texi: Use @unnumberedsec for the addendum.
3616 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3618 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3620 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3622 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3624 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3625 handling of two-address insns.
3627 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3629 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3630 ../binutils/nm-new instead of ../binutils/nm.
3632 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3634 * i386.md (movdi splitter): Fix the splitting condition
3635 (float_extenddftf splitter): Fix mode.
3637 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3639 * genrecog.c (write_switch): Avoid outputting of switch for
3640 types wider than int.
3642 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3644 * reload1.c (copy_eh_notes): New function.
3645 (emit_input_reload_insns): Call it.
3646 (emit_output_reload_insns): Call it.
3648 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3650 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3652 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3653 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3655 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3657 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3659 * pa.md (interspace_jump): Revise comment.
3660 (builtin_longjmp): Block initial setup insns from delay slot of
3662 (builtin_setjmp_receiver): New expander to save and restore PIC
3665 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3667 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3669 * toplev.c (compile_file): Set up the output file before we call
3670 the various initializers for the compiler.
3672 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3673 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3675 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3676 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3678 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3680 * Makefile.in (tradcpp0): Correct typo in dependency list.
3682 2001-05-06 Geoff Keating <geoffk@redhat.com>
3684 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3685 the link register if we're not going to use it.
3687 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3688 (output_function_profiler): Likewise.
3690 2001-05-07 Alan Modra <amodra@one.net.au>
3692 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3694 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3696 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3697 zero-extend it. Make abs_inc unsigned.
3699 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3700 widest mode in narrowing and widening operations.
3702 * config/mips/mips.md: Sign extend CONST_INTs.
3704 2001-05-06 Andreas Jaeger <aj@suse.de>
3706 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3707 (i386 Options): Document -momit-leaf-frame-pointer.
3709 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3711 * c-typeck.c (internal_build_compound_expr): Check for
3712 array to pointer conversion just once.
3714 2001-05-05 Richard Henderson <rth@redhat.com>
3716 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3718 2001-05-05 Richard Henderson <rth@redhat.com>
3720 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3721 to the parent of the fixup region.
3723 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3725 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3727 * cpp.texi (__NO_INLINE): Document it.
3729 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3731 * cppfiles.c (struct include_file): New member err_no.
3732 (find_or_create_entry): Set it.
3733 (open_file): Don't set fds to -2. Instead, use err_no to
3734 remember previous errors, if any.
3736 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3738 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3739 between X and Y by using sequences of xgdx and xgdy.
3741 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3743 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3744 of '!' for the 'D' alternative ('!' is too strong).
3745 ("*logicalsi3_silshl16"): Likewise.
3746 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3747 ("movstrictsi"): Remove spurious '+'.
3748 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3749 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3750 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3753 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3755 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3757 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3759 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3762 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3764 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3767 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3769 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3770 soft register, use ror instead of rol.
3772 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3774 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3775 into account pre/post increment decrement for 68HC12.
3776 Fix other problems in replacement and fix call to reg_mentioned_p.
3778 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3780 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3781 Put the soft registers in bss for 68HC12.
3782 (L_regs_d3_4): New for _.d3 and _.d4.
3783 (L_regs_d5_6): Likewise.
3784 (L_regs_d1_2): Likewise.
3785 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3787 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3789 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3790 to the pre-processor when -fshort-double is specified.
3791 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3793 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3795 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3796 (__mulsi3): Rewrite for 68HC12.
3797 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3798 Mark 'x' constraint with earlyclobber to prevent a
3799 RELOAD_FOR_OTHER_ADDRESS to go in it.
3800 (mulhi3_m68hc12): New pattern.
3801 (mulhi3_m68hc11): Rename of mulhi3.
3802 (mulhi3): New expand for 68HC12 optimisation.
3803 (umulhisi3, mulhisi3): New patterns for 68HC12.
3805 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3807 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3808 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3809 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3811 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3813 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3814 constants cheap after reload.
3815 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3817 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3818 so that gcc prefers a shift by 16.
3819 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3821 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3823 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3825 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * alpha.h: NULL_PTR -> NULL.
3834 * i386.md: Likewise.
3837 * m68hc11.h: Likewise.
3838 * rs6000.h: Likewise.
3841 * sparc.h: Likewise.
3845 * final.c: Likewise.
3847 * recog.c: Likewise.
3849 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3851 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3852 `bool' parameter to `int'.
3854 * hash.c (hash_lookup): Likewise.
3856 * hash.h (hash_lookup): Likewise.
3858 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3860 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3862 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3864 2001-05-03 Geoff Keating <geoffk@redhat.com>
3866 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3867 -malign-loops, -malign-functions.
3868 * i386.c (ix86_align_funcs): Delete.
3869 (ix86_align_loops): Delete.
3870 (ix86_align_jumps): Delete.
3871 (override_options): Mark -malign-* as obsolete. Emulate their
3872 behaviour with the -falign-* options. Default -falign-* from
3873 the processor table.
3874 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3875 patch of Wed May 2 13:09:36 2001.
3876 (LOOP_ALIGN): Delete.
3877 (LOOP_ALIGN_MAX_SKIP): Delete.
3878 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3879 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3881 2001-05-04 Andreas Jaeger <aj@suse.de>
3883 * except.h: Add prototype declaration for
3884 expand_builtin_init_dwarf_reg_sizes.
3886 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3888 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3890 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3892 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3894 ("bitcmpqi2"): New pattern for bit-extract and test.
3895 ("bitcmphi"): New pattern for bitb/bita instructions.
3897 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3899 * gccbug.in: Use a temporary directory when the mktemp command is
3902 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3904 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3906 (INITIALIZE_TRAMPOLINE): Call it.
3907 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3908 (TRAMPOLINE_TEMPLATE): Remove.
3909 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3910 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3913 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3915 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3916 and crtendS.o with PIC.
3918 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3920 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3922 (___subdi3, ___adddi3): Use x instead of y as index register.
3923 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3924 (__memset, __memcpy): Likewise.
3925 (regs): Put the soft registers in bss for 68HC12.
3926 (abort): Use trap to abort for 68hc12.
3927 (__mulhi3, __mulhi32): Use emul for 68hc12.
3928 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3930 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3932 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3933 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3934 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3935 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3936 Set 68HC12 min offset to -65536.
3937 (print_operand): Put parenthesis arround the operand if it refers
3938 to a symbol having the same name as a register.
3939 (m68hc11_z_replacement): When z register is replaced by its
3940 equivalent soft register, force the insn to be re-recognized.
3941 (m68hc11_check_z_replacement): Fix the test when destination is
3942 the index register and z dies in the insn.
3943 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3945 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3947 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3948 costs according to processor variant.
3949 (m68hc11_shift_cost): New function to compute shift costs.
3950 (m68hc11_rtx_costs): Define costs according to processor variant.
3951 (m6811_cost): Costs for 68HC11.
3952 (m6812_cost): Costs for 68HC12.
3953 (COSTS_N_INSNS): Remove.
3955 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3956 (DEFAULT_RTX_COSTS): Remove.
3957 (CONST_COSTS): Define costs according to OUTER_CODE.
3958 (processor_costs): New struct to define costs.
3959 (m68hc11_cost): Pointer to current costs.
3961 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3963 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3964 and use m68hc11_notice_keep_cc when using leax/leay.
3965 (addhi3 split): Reject split if the insn is handled by
3967 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3968 push must be handled in a special way if the source operand uses
3969 sp as index register.
3970 (m68hc11_notice_keep_cc): New function.
3971 (m68hc11_gen_movhi): Use it when an insn changes a register but
3973 (m68hc11_gen_movqi): Fix move for 68HC12.
3974 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3976 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3978 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3979 and don't pass operands[0] to emit_library_call_value.
3981 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3983 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3984 (zero_extendsi split): Simplify and use (zero_extendhi).
3985 (*addhi3): Remove 'w' constraint since stack pointer is handled
3987 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3988 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3989 (*ashrhi3_const): Fix shift by 7.
3990 (*lshrsi3_const16): Fix template.
3991 (call, call_value): Fix constraint and predicate.
3993 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3995 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3996 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3997 (CC_REGNUM): Likewise.
3998 (*unnamed splits): Use above constants instead of hard coded numbers.
3999 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4000 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4001 (*return_16bit, *unnamed peepholes): Likewise.
4003 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4005 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4006 rs6000/rs6000.h twice.
4008 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4010 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4011 (CPP_SPEC): Conditionally define MSDOS and GO32.
4012 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4013 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4015 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4017 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4019 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4021 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4023 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4024 * integrate.c (expand_inline_function): Use xcalloc to allocate
4026 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4029 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4031 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4034 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4036 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4037 linker if -mrelax is given.
4038 (TARGET_SWITCHES): Document -mrelax.
4040 Re-installed 2001-01-09's patch:
4041 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4042 if it's wider than long and the target's long is wider than the
4045 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4047 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4048 directly include rs6000/rs6000.h. Instead do it in tm.h.
4050 2001-05-02 Stan Shebs <shebs@apple.com>
4052 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4053 NSConstantString for NeXT-style runtimes.
4054 (STRING_OBJECT_GLOBAL_NAME): New macro.
4055 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4056 OCTI_STRING_CLASS_DECL.
4057 (constant_string_global_id): New macro.
4058 (string_class_decl): Ditto.
4059 (setup_string_decl): New function.
4060 (build_objc_string_object): Use it to build a NeXT runtime
4061 compatible string initializer.
4063 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4065 * tradcpp.c (do_define): Make sure we don't walk past limit.
4067 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4069 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4070 offsets if not REG_OK_STRICT.
4072 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4073 (INT_REG_OK_FOR_INDEX_P): Likewise.
4074 (INT_REG_OK_FOR_BASE_P): Likewise.
4075 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4076 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4077 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4078 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4079 REG_OK_FOR_BASE_P. Take an additional parameter.
4080 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4081 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4082 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4083 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4084 rs6000_legitimate_address() and use it.
4085 * config/rs6000/rs6000.c: Update all callers.
4086 (rs6000_legitimate_address): New function.
4088 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4090 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4091 special_constant conditional blocks together.
4093 2001-05-02 Dale Johannesen <dalej@apple.com>
4095 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4097 (STRICT_ARGUMENT_NAMING): Define.
4098 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4099 function_arg_partial_nregs, setup_incoming_varargs): Remove
4100 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4103 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4105 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4107 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4110 * expr.c (store_field): Do nothing except elaborate side-effects if
4113 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4115 * c-lex.c: NULL_PTR -> NULL.
4117 * emit-rtl.c: Likewise.
4119 * genpeep.c: Likewise.
4121 * mips-tdump.c: Likewise.
4122 * reload1.c: Likewise.
4123 * rtlanal.c: Likewise.
4125 * stor-layout.c: Likewise.
4126 * toplev.c: Likewise.
4128 2001-05-01 Per Bothner <per@bothner.com>
4130 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4131 call do_pending_stack_adjust before emiting label.
4133 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4135 * extend.texi: Fix typo.
4137 2001-05-01 Stan Shebs <shebs@apple.com>
4139 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4140 of UOBJC_MODULES_decl.
4141 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4142 (generate_descriptor_table): Ditto.
4143 (generate_protocols): Ditto.
4144 (generate_protocol_list): Ditto.
4145 (generate_classref_translation_entry): Ditto.
4147 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4149 * invoke.texi (Optimize Options): Add documentation for `--param
4150 max-delay-slot-insn-search' and `--param
4151 max-delay-slot-live-search' and reorder --param section.
4152 * params.def: Modify initial comment.
4153 * params.h (param_info): Add `help' member.
4154 * toplev.c (lang_independent_params): Include `help' description.
4155 (display_help): Print --param parameters.
4157 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4159 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4160 Remove references to deleted files.
4161 (*-*-openbsd): No need to override xmake_file.
4162 (*-*-sysv4): Treat like *-*-sysv.
4164 * configure.in: Probe for ldopen in various places, and set up
4165 collect2 to be linked with them if found.
4166 Don't dink with Windows registry stuff unless $host_os is a
4167 Win32 os name. Check to see if we need -ladvapi32.
4168 * configure: Regenerate.
4170 * Makefile: Get rid of CLIB and HOST_CLIB.
4171 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4172 * build-make: Get rid of HOST_CLIB.
4174 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4175 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4176 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4177 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4178 config/rs6000/x-rs6000: Delete.
4180 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4183 24 x-host fragments remain, 0 x-cpu, 3 top level.
4185 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4187 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4188 * configure: Regenerate.
4190 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4192 * Makefile.in (install-headers): Remove redundant dependency.
4194 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4196 * c-tree.texi (USING_STMT): Document.
4198 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4200 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4201 * c-common.c: Likewise.
4202 * c-decl.c: Likewise.
4203 * combine.c: Likewise.
4204 * rs6000.c: Likewise.
4205 * except.c: Likewise.
4206 * explow.c: Likewise.
4208 * fold-const.c: Likewise.
4209 * function.c: Likewise.
4212 * integrate.c: Likewise.
4214 * objc/objc-act.c: Likewise.
4215 * recog.c: Likewise.
4216 * reg-stack.c: Likewise.
4217 * reload.c: Likewise.
4218 * reload1.c: Likewise.
4219 * simplify-rtx.c: Likewise.
4221 * varasm.c: Likewise.
4223 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4225 * diagnostic.def: New file.
4226 * diagnostic.h (diagnostic_t): New enum.
4227 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4229 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4231 * tsystem.h: Test only POSIX for availability of string.h
4233 * config.gcc (all systems): If USG appeared in xm_defines,
4234 change it to POSIX. If both USG and POSIX appeared, just
4235 delete USG. Remove unnecessary quotes around xm_defines
4237 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4238 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4239 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4240 powerpc-*-linux*): No need to set xm_defines - handled by
4241 global settings for *-*-linux*.
4243 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4245 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4246 Always include gstab.h, not system stab.h. Don't provide
4247 default definitions of N_CATCH or N_OPT. Always use the
4248 gstab.h variant of STAB_CODE_TYPE.
4249 * final.c: Don't include stab.h/gstab.h at all, or provide
4250 defaults for N_SLINE and N_SOL.
4252 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4253 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4255 * sdbout.c: Always include gsyms.h instead of system syms.h.
4257 * configure.in: No need to check for stab.h.
4258 * configure, config.in: Regenerate.
4259 * Makefile.in (final.o): Don't depend on gstab.h.
4261 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4262 Richard Henderson <rth@redhat.com>
4264 * extend.texi: Improve documentation of volatile asms.
4266 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4268 * c-tree.texi: Fix thinko.
4269 * gcc.texi: Likewise.
4271 2001-04-30 Richard Henderson <rth@redhat.com>
4273 * c-common.c (c_promoting_integer_type_p): New function, from the
4274 corpse of old macro. Properly promote too-small enumerations and
4275 booleans. Adjust all callers.
4276 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4277 (c_promoting_integer_type_p): Declare.
4278 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4279 * c-typeck.c: Likewise.
4280 (default_conversion): Remove now redundant boolean check.
4282 2001-04-30 Jan Hubicka <jh@suse.cz>
4283 Richard Henderson <rth@redhat.com>
4285 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4287 (combine_stack_adjustments_for_block): Don't combine stack
4288 allocation followed by deallocations. Handle grow-up stacks.
4290 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4292 * fdl.texi: New file.
4293 * c-tree.texi: Use the GFDL.
4294 * gcc.texi: Likewise.
4296 2001-04-30 Stan Shebs <shebs@apple.com>
4298 * invoke.texi: Add a section documenting Objective-C options.
4300 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4302 * emit-rtl.c (try_split): Copy EH notes to sequence.
4304 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4306 * regmove.c (record_stack_memrefs): Catch all references to the
4309 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4311 * Makefile.in (stmp-fixinc): quote shell assignment values
4313 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4315 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4319 * prefix.c: Likewise.
4321 2001-04-28 Stan Shebs <shebs@apple.com>
4323 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4324 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4325 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4326 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4328 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4329 (NEXT_OBJC_RUNTIME): Define.
4331 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4333 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4334 * simplify-rtx.c (simplify_gen_relational): Likewise.
4336 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4338 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4339 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4341 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4342 registers in SSE case; fix handling of the immediates.
4343 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4344 operands to be in regsiters before reload.
4345 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4346 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4347 (abstf,absxf,negtf,negxf splitters): Compute
4348 properly the regnum for x86_64.
4349 (avsdf2_if_rex64): New.
4351 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4353 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4354 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4355 into the constant pool.
4356 * jump.c (jump_optimize_1): Remove barrier successors after all
4357 the LABEL_NUSES counds have been computed.
4358 (delete_barrier_successors): When deleting a tablejump insn, also
4359 delete the jump table it uses.
4360 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4363 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4365 * pa.c (FRP): Remove erroneous white space in macro definition.
4367 2001-04-28 Andreas Jaeger <aj@suse.de>
4369 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4371 * extend.texi: Likewise.
4372 * tm.texi: Likewise.
4374 2001-04-28 Andreas Jaeger <aj@suse.de>
4376 * md.texi: Use XX-bit instead of XXbit or XX bit where
4379 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4381 * gcc.c (process_command): Allow -l lib in addition to -llib
4382 for POSIX compliance. This fixes PR c/2347.
4384 * invoke.texi: Update section on Link Options accordingly.
4386 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4388 * function.c (purge_addressof_1): Remove the duplicate
4389 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4392 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4394 * except.c (expand_eh_region_start): Don't start a new block.
4395 (expand_eh_region_end): Don't end a block.
4396 * stmt.c (expand_end_bindings): Don't end EH blocks.
4397 (expand_decl_cleanup): Starting an EH region won't change the block.
4398 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4399 (is_eh_region): Lose.
4402 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4404 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4406 * collect2.c (main): Add `-L' case to remove duplicate entries.
4407 (is_in_args): New function to check for a duplicate argument.
4408 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4409 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4410 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4411 Define to be nonzero.
4413 2001-04-27 Andreas Jaeger <aj@suse.de>
4414 Richard Henderson <rth@redhat.com>
4416 * md.texi (Machine Constraints): Document additional i386
4417 constraints and fix description of "A".
4419 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4421 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4423 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4425 * except.c (get_exception_filter): word_mode, not Pmode.
4427 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4429 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4430 common to other movsf patterns. Move up so that in future
4431 people who change the other patterns will change it too.
4432 (movsf_lo_sum): Allow even for soft-float; add appropriate
4434 (movsf_high): Likewise.
4435 (movsf_high+1): Allow even for soft-float.
4437 * function.c (expand_function_end): Always clobber the
4438 return registers, even if there is no return label.
4440 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4442 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4444 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4446 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4447 (pushqi2_rex64, pushhi2_rex64): Add.
4449 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4451 * except.c (expand_eh_region_end_cleanup): Force pending stack
4452 adjust before emitting label that branches around cleanup code.
4454 2001-04-26 H.J. Lu (hjl@gnu.org)
4456 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4458 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4460 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4461 (ASM_OUTPUT_SECTION_NAME): Likewise.
4462 (ASM_WEAKEN_LABEL): Likewise.
4463 (UNIQUE_SECTION): Likewise.
4464 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4465 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4466 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4467 (ASM_OUTPUT_SECTION_NAME): Likewise.
4468 (ASM_WEAKEN_LABEL): Likewise.
4469 (UNIQUE_SECTION): Likewise.
4470 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4471 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4472 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4473 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4474 (ASM_FILE_START): Likewise.
4475 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4476 (ASM_DECLARE_OBJECT_NAME): Likewise.
4477 (ASM_FILE_END): Likewise.
4478 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4479 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4480 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4481 (ASM_OUTPUT_CASE_LABEL): Likewise.
4482 (ASM_OUTPUT_SKIP): Likewise.
4483 (ASM_OUTPUT_ASCII): Likewise.
4484 (ASM_OUTPUT_IDENT): Likewise.
4485 (READONLY_DATA_SECTION): Likewise.
4486 (EXTRA_SECTIONS): Likewise.
4487 (EXTRA_SECTION_FUNCTIONS): Likewise.
4488 (SELECT_RTX_SECTION): Likewise.
4489 (SELECT_SECTION): Likewise.
4491 * config/mips/linux.h (INVOKE__main): Undefine.
4492 (CTOR_LIST_BEGIN): Likewise.
4493 (CTOR_LIST_END): Likewise.
4494 (DTOR_LIST_BEGIN): Likewise.
4495 (DTOR_LIST_END): Likewise.
4496 (SET_ASM_OP): Defined it to ".dummy".
4497 (ASM_OUTPUT_DEF): Defined.
4498 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4500 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4502 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4503 assembler supports .p2align.
4505 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4507 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4509 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4511 * integrate.c (expand_inline_function): Check for error_mark_node
4514 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4516 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4519 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4521 * configure.in (configargs.h): Define thread_model.
4522 * configure: Rebuilt.
4523 * gcc.c (main): Print it with -v.
4525 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4527 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4528 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4529 * gcc.1: Regenerate.
4531 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4533 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4534 is_redundant_typedef): Use static inline instead of inline static.
4536 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4538 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4539 this directory is always searched.
4541 2001-04-25 Richard Henderson <rth@redhat.com>
4543 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4544 of registers to restore along non eh_return path.
4546 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4548 * c-format.c (check_format_info_recurse): Handle
4549 PLUS_EXPR for format string.
4551 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4553 * config/ia64/ia64.h (CC1_SPEC): Define.
4554 * config/ia64/linux.h (CC1_SPEC): Define.
4556 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4558 * emit-rtl.c (constant_subword): Also do sign extension in
4559 BITS_PER_WORD == 16 case.
4561 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4563 * loop.c (try_swap_copy_prop): Go back to checking insn.
4565 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4567 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4568 if check_mode is non-zero.
4570 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4572 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4573 out and comparison sequence has been detected, put result into
4574 proper temporary pseudo.
4576 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4578 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4579 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4580 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4581 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4582 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4583 for future reference.
4585 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4587 * except.c (reachable_handlers): Step out one level from a RESX.
4589 * except.c (struct eh_region): Rename 'last' to 'resume'.
4590 (mark_eh_region, duplicate_eh_region_1): Adjust.
4591 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4592 (build_post_landing_pads): Likewise.
4593 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4594 (expand_eh_region_end_must_not_throw): Likewise.
4595 (connect_post_landing_pads): Thread (only) regions with non-deleted
4598 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4599 registers around the cleanup.
4600 (get_exception_filter): New fn.
4601 (finish_eh_generation): Use it.
4603 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4605 * c-semantics.c (add_scope_stmt): Don't call
4606 current_scope_stmt_stack multiple times.
4608 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4609 Nathan Sidwell <nathan@codesourcery.com>
4611 Lazy __FUNCTION__ generation.
4612 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4613 RID_C99_FUNCTION_NAME): New _RIDs.
4614 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4615 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4616 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4618 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4619 (c99_function_name_decl_node, function_name_decl_node,
4620 pretty_function_name_decl_node, saved_function_name_decls):
4622 (struct language_function): Remove x_function_name_declared_p.
4623 (make_fname_decl): Remove a parameter.
4624 (declare_function_names): Remove prototype.
4625 (start_fname_decls, finish_fname_decls): Prototype.
4626 (fname_as_string): Likewise.
4627 (fname_string, fname_decl): Likewise.
4628 * c-common.c (make_fname_decl): Adjust.
4629 (struct fname_var_t): New struct.
4630 (fname_vars): New static array.
4631 (declare_function_name): Remove.
4632 (start_fname_decls, finish_fname_decls): New functions.
4633 (fname_as_string): New function from remnants of
4634 declare_function_name.
4635 (fname_string, fname_decl): New functions.
4637 * c-decl.c (c_function_name_declared_p): Remove.
4638 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4639 don't call declare_function_name. Call start_fname_decls.
4640 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4641 clobber the line number. Call finish_decl.
4642 (start_function): Call start_fname_decls.
4643 (finish_function): Call finish_fname_decls.
4644 Remove c_function_name_declared_p.
4645 (push_c_function_context): Don't push c_function_name_declared_p.
4646 (pop_c_function_context): Don't pop c_function_name_declared_p.
4647 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4648 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4649 (program): Call finish_fname_decls for C.
4650 (primary): Add VAR_FUNC_NAME.
4651 (reswords): Add slots for __FUNCTION__ et al.
4652 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4653 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4654 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4655 * c-semantics.c (prune_unused_decls): Remove.
4656 (finish_stmt_tree): Don't call prune_unused_decls.
4657 (genrtl_decl_stmt): Don't prune unused decls here.
4659 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4661 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4662 constant pool, use the pool's SYMBOL_REF instead.
4664 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4667 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4669 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4670 passing nested NOP_EXPRs to fold.
4672 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4674 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4676 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4678 * loop.c (loop_delete_insns): Add prototype.
4680 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4682 * configure.in: Remove ENABLE_STD_NAMESPACE.
4683 * config.in: Regenerated.
4684 * configure: Regenerated.
4686 2001-04-22 Stan Shebs <shebs@apple.com>
4688 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4690 * config/rs6000/xm-darwin.h: Remove file.
4692 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4694 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4695 (write_c_file_stat): Likewise.
4697 * dbxout.c (dbxout_init): Likewise.
4699 * profile.c (output_func_start_profiler): Likewise.
4701 2001-04-22 Philipp Thomas <pthomas@suse.de>
4703 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4704 require it instead of the CVS version.
4705 * cpperror.c (v_message): Put a blank before the macro
4706 body to not confuse exgettext.
4708 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4710 * flow.c (proagate_one_insn): Remove useless assignment.
4711 * jump.c (delete_insn): Tidy.
4712 * loop.c (try_copy_prop): When deleting an instruction with a
4713 REG_RETVAL note, delete the entire libcall sequence.
4714 (loop_delete_insns): New function.
4715 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4716 we're not substituting into them yet.
4718 2001-04-21 Kazu Hirata <kazu@hxi.com>
4720 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4722 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4724 * config/i960/i960.c (signed_arith_operand): Likewise.
4726 * calls.c (expand_call): Fix a comment typo.
4728 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4730 * configure.in: Probe for times, clock, struct tms, and clock_t.
4731 * configure, config.in: Regenerate.
4732 * timevar.c: Replace ifdef forest in get_time with (relatively)
4733 straightforward series of checks based on autoconf's probes.
4735 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4737 * config/pa/som.h (NM_FLAGS): Define.
4739 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4741 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4743 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4744 * ia64.c (nop_cycles_until): New function.
4745 (prev_cycle, prev_first, last_issued): New static variables.
4746 (ia64_sched_reorder): Additional arg for clock.
4747 On final scheduling pass, emit extra NOPs as needed.
4748 Set prev_first and prev_cycle.
4749 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4750 (ia64_variable_issue): Set last_issued.
4752 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4754 * config/i386/i386.c (ix86_expand_int_movcc,
4755 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4757 2001-04-20 Geoff Keating <geoffk@redhat.com>
4759 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4760 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4761 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4762 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4763 ctrdi_internal6): In the short-branch case, this insn is only 4
4764 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4766 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4768 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4769 "=u" is used together with "st" resp. "st(1)" clobber.
4771 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4773 * gcse.c (gcse_main): Fix comment typo.
4774 (delete_null_pointer_check): Likewise.
4775 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4776 * cse.c (cse_insn): Likewise.
4777 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4780 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4782 * toplev.c: Excise all code for the undocumented -dm option.
4783 (float_signal): Call signal just once, unconditionally.
4785 2001-04-19 Geoff Keating <geoffk@redhat.com>
4787 * fold-const.c (fold): Use first_rtl_op rather than
4788 TREE_CODE_LENGTH when looping over parameters of a tree.
4789 Correct strange grouping in test for evaluated SAVE_EXPR.
4791 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4793 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4794 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4796 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4797 name at 32 total characters.
4798 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4799 functions in named sections -- data items can still go into unique
4800 sections, but they have normal names (ie $LIT$ and $DATA$).
4802 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4805 2001-04-19 DJ Delorie <dj@redhat.com>
4807 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4808 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4809 * config/i386/cygwin.h: Likewise.
4810 * config/i386/mingw32.h: Likewise.
4811 * config/vax/vms.h: Likewise.
4812 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4814 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4815 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4816 * config/i386/xm-cygwin.h: Likewise.
4817 * config/i386/xm-djgpp.h: Likewise.
4818 * config/i386/xm-mingw32.h: Likewise.
4819 * config/vax/xm-vms.h: Likewise.
4821 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4822 instead of OBJECT_SUFFIX.
4823 * collect2.c (find_a_file): Look for files matching the extension
4824 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4825 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4826 TARGET_EXECUTABLE_SUFFIX.
4827 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4828 (make_relative_prefix): Likewise.
4829 (convert_filename): Use TARGET_ suffixes throughout. Remove
4831 (process_command): Likewise.
4832 (do_spec_1): Likewise.
4833 * java/lang.c (init_parse): Likewise.
4835 * gcc.texi : Document four new options matching the pattern
4836 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4837 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4838 documentation for NO_AUTO_EXE_SUFFIX.
4840 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4842 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4843 that language-independent processing should not be done.
4844 * toplev.c (main): Adjust accordingly.
4846 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4847 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4849 * mips.md (reload_outputdi): Require that operand0 be a
4852 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4854 * invoke.texi (-Wshadow): Clarify.
4856 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4858 * loop.c (load_mems): Examine all the instructions in the loop
4859 before concluding that all jumps branch to the first instruction
4862 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4864 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4866 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4868 * cpp.texi (-Wwhite-space): Remove.
4869 (-Wall): -Wall does not imply -Wwhite-space.
4871 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4873 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4874 use it instead of blindly generating a .stabs.
4875 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4877 * xcoffout.c: Don't bother defining default for N_CATCH.
4878 (UNKNOWN_STAB): Use internal_error.
4879 (stab_to_sclass): Remove now-unnecessary aborts.
4880 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4882 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4884 * jump.c (mark_all_labels): Canonicalize the tail recursion
4885 label attached to CALL_PLACEHOLDER insns.
4887 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4889 * output.h (dump_flow_info, free_basic_block_vars,
4890 which_alternative): Delete redundant prototypes.
4892 * rtl.h (bss_section): Likewise.
4894 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4896 * dbxout.c (N_OPT): Define if not available from <stab.h>
4898 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4900 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4901 libraries and native K&R compilers.
4903 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * c-typeck.c (convert_arguments): Don't check for width changes
4908 * invoke.texi (-Wtraditional): Update documentation.
4910 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4912 * toplev.c (output_lang_identify): Delete.
4913 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4914 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4915 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4916 after calling ASM_FILE_END.
4918 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4919 Instead, unconditionally emit an N_OPT stab with string equal
4920 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4922 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4924 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4925 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4926 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4927 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4928 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4929 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4930 config/i370/i370.h, config/i386/beos-elf.h,
4931 config/i386/osf1elf.h, config/i386/osfrose.h,
4932 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4933 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4934 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4935 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4936 config/mips/iris6.h, config/mips/osfrose.h,
4937 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4938 config/sparc/sp64-elf.h:
4939 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4940 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4942 * config/elfos.h, config/freebsd.h, config/linux.h,
4943 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4944 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4945 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4946 of ASM_FILE_START which merely emit a .version directive. Delete
4947 definitions of ASM_FILE_END which merely emit an .ident directive.
4949 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4950 ASM_IDENTIFY_GCC and move part of its logic into
4953 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4954 config/sparc/linux-aout.h: Don't emit .version directive in
4957 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4958 (output_file_start): Correct comment.
4960 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4961 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4963 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4964 * config/rs6000/aix.h: Correct comment.
4966 * config/i386/i386afe.h: Delete.
4967 * config.gcc: Remove references to i386afe.h.
4969 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4970 other macros deleted by this patch were undocumented.
4972 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4974 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4976 * pa.c (secondary_reload_class): SAR<->FP copies require a
4979 * install.texi (mips-mips-bsd): Update list of functions
4980 required to include memmove.
4981 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4982 used functions to include memmove.
4984 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4986 * i386.md (sqrtdf2): SFmode should be DFmode.
4988 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4990 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4991 (find_moveable_store): Likewise.
4993 2001-04-15 Jim Wilson <wilson@redhat.com>
4995 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4997 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4999 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5000 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5002 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5004 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5007 2001-04-14 Alan Modra <amodra@one.net.au>
5009 * pa.c (force_mode): New function.
5010 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5012 2001-04-13 Jim Wilson <wilson@redhat.com>
5014 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5015 (first_instruction): New static variable.
5016 (rtx_needs_barrier): Return 1 for alloc.
5017 (init_insn_group_barriers): Set first_instruction.
5018 (rws_sum): Delete duplicate definition.
5019 (group_barrier_needed_p): Return 0 when first_instruction true.
5020 (safe_group_barrier_needed_p): Save and restore first_instruction
5021 around group_barrier_needed_p call.
5023 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5025 * expr.h (enum libfunc_index): Add LTI_memmove.
5026 (memmove_libfunc): Define macro.
5027 * optabs.c (init_optabs): Initialize memmove_libfunc.
5028 * expr.c (expand_assignment): Use memmove_libfunc instead of
5031 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5033 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5036 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5038 * Makefile.in (reg-stack.o): Depend on reload.h.
5039 (insn-attrtab.o): Depend on flags.h.
5041 * genattrtab (main): Include flags.h in insn-attrtab.c.
5043 * reg-stack.c: Include reload.h.
5045 * sparc.h (flag_pic): Delete redundant declaration.
5047 * output.h (flag_pic): Likewise.
5049 * tree.h (pedantic): Likewise.
5051 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5053 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5055 * jump.c, regmove.c, toplev.c: Include reload.h.
5057 * reload.h (reload_cse_regs): Declare.
5059 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5060 reload_cse_regs, init_reload, mark_home_live, reload,
5061 init_caller_save): Delete redundant prototypes.
5063 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5067 * regclass.c, ssa.c: Include expr.h.
5069 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5070 gen_move_insn): Delete redundant declarations.
5072 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5074 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5075 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5076 MAKEINFO and MAKEINFOFLAGS too.
5077 (stage4_build): Correctly order -B flags.
5079 2001-04-13 Alan Modra <amodra@one.net.au>
5081 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5082 PIC_OFFSET_TABLE_SAVE_RTX.
5083 (zdepi_cint_p): Describe zdepi insn.
5084 Formatting and white space fixes throughout file.
5086 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5087 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5088 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5089 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5090 (output_64bit_and): Use plain `int's for shift counts.
5091 (output_64bit_ior): Likewise.
5092 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5093 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5096 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5097 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5098 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5099 NEW_HP_ASSEMBLER into one. Kill warnings.
5101 * pa-gas.h: Delete file.
5102 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5103 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5104 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5105 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5107 * config/pa/mill32.S: New file.
5108 * config/pa/mill64.S: New file.
5109 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5110 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5111 * config/pa/t-linux64: New file.
5112 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5113 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5114 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5116 * elfos.h (SELECT_SECTION): Undef before defining.
5117 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5118 (LIB_SPEC): Remove -lmilli.
5119 (DBX_REGISTER_NUMBER): Remove.
5120 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5121 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5122 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5123 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5124 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5125 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5126 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5127 TARGET_GAS): Define.
5128 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5129 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5130 regs if we don't have a prototype.
5131 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5132 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5133 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5134 EH_RETURN_HANDLER_RTX): Define.
5135 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5136 (DWARF_FRAME_REGNUM): Define.
5137 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5138 * pa32-linux.h: New file.
5139 * pa64-linux.h: New file.
5141 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5142 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5143 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5144 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5145 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5146 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5147 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5148 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5149 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5150 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5151 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5152 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5153 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5154 * pa64-hpux.h: New file.
5155 (ASM_FILE_START): Correct typo.
5156 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5157 * config.gcc: Modify for above.
5159 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5161 * jump.c (jump_optimize_1): Don't delete dead stores here.
5162 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5163 prior to running jump optimize before cse2.
5165 2001-04-12 Richard Henderson <rth@redhat.com>
5167 * Makefile.in (regmove.o): Depend on except.h.
5168 * regmove.c: Include it.
5170 2001-04-12 Stan Shebs <shebs@apple.com>
5172 * objc/objc-act.c: Remove all code ifdefed with the never-used
5173 macro OBJC_INT_SELECTORS.
5174 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5175 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5177 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5179 * config/pa/quadlib.c: Add prototypes.
5181 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5183 * bitmap.h (debug_bitmap): Delete redundant prototype.
5185 * rtl.h (get_frame_size): Likewise.
5187 2001-04-12 Jim Wilson <wilson@redhat.com>
5189 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5190 to just emit an fnorm.
5192 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5194 * c-common.h (truthvalue_conversion, type_for_mode,
5195 type_for_size): Delete redundant declarations.
5197 * c-lex.h (is_class_name): Likewise.
5199 * c-tree.h (pedantic, convert, getdecls, gettags,
5200 global_bindings_p, init_decl_processing, insert_block,
5201 maybe_build_cleanup, poplevel, print_lang_decl,
5202 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5203 set_block, incomplete_type_error, build_function_call,
5204 lvalue_or_else, mark_addressable): Likewise.
5206 * expr.h (expand_tree_builtin): Likewise.
5208 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5210 * invoke.texi: Document --param max-gcse-memory.
5212 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5214 * configure.in (errno): Check for declaration.
5215 * configure, config.in: Regenerated.
5217 * system.h (errno): Only declare if not already done.
5219 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5221 * recog.c (general_operand, immediate_operand,
5222 nonmemory_operand): Require CONST_INTs to be sign-extended
5223 values for their modes.
5225 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5227 * expmed.c (store_bit_field): Truncate CONST_INTs.
5228 (expand_mult_highpart, expand_divmod): Likewise.
5229 * expr.c (convert_modes, store_field): Likewise.
5230 * integrate.c (expand_inline_function): Use promote_mode() to
5231 determine whether to convert_modes() an argument as signed
5233 * optabs.c (expand_binop): Get CONST_INT operands
5234 sign-extended for their appropriate modes.
5235 * stmt.c (emit_case_nodes): Convert node values to the
5237 (expand_end_case): Convert minval and range to the appropriate
5239 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5240 the iteration variable.
5241 * varasm.c (immed_double_const): Don't require words to be
5242 narrower than host wide ints to properly sign-extend
5245 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5247 * sh.md (builtin_setjmp_receiver): New expander.
5249 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5251 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5252 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5253 for generating CONST_INT and CONST_DOUBLE.
5255 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5257 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5258 already sign-extended.
5259 (rs6000_emit_prologue): Make register iterator signed.
5260 (rs6000_emit_epilogue): Likewise.
5261 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5263 (movsf split, movdf split): Sign-extend CONST_INTs.
5264 (movdi splits): Likewise.
5266 2001-04-12 Kelley Cook <kelley.cook@home.com>
5268 * config-lang.in (lang_dirs): Add in zlib.
5270 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5272 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5273 operands that make it to RTL.
5275 2001-04-11 Stan Shebs <shebs@apple.com>
5277 Add Darwin (Mac OS X kernel) native support.
5278 * config.gcc (powerpc-*-darwin*): Add native bits.
5279 * config/darwin.c: New file, generic Darwin support functions.
5280 * config/darwin.h: New file, generic Darwin definitions.
5281 * config/darwin-protos.h: New file, generic Darwin prototypes.
5282 * rs6000/darwin.h: New file, Darwin for PowerPC.
5283 * rs6000/t-darwin: New file, Darwin makefile fragment.
5284 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5285 (TARGET_MACHO): Ditto.
5286 (rs6000_abi): Add ABI_DARWIN.
5287 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5288 (RS6000_SAVE_AREA): Ditto.
5289 (FP_ARG_MAX_REG): Ditto.
5290 (RETURN_ADDRESS_OFFSET): Ditto.
5291 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5293 (rs6000_emit_move): Add ABI_DARWIN cases.
5294 (print_operand): Ditto.
5295 (first_reg_to_save): Ditto.
5296 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5297 (debug_stack_info): Ditto.
5298 (rs6000_emit_prologue): Ditto.
5299 (rs6000_emit_epilogue): Ditto.
5300 (output_profiler_hook): Ditto.
5301 (output_function_profiler): Ditto.
5302 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5303 (output_mi_thunk): Add TARGET_MACHO case.
5304 (add_compiler_stub): Ditto.
5305 (output_compiler_stub): Ditto.
5306 (no_previous_def): Ditto.
5307 (output_call): Ditto.
5308 (machopic_output_stub): Ditto.
5309 (rs6000_machopic_legitimize_pic_address): Ditto.
5310 (toc_section): Ditto.
5311 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5312 (macho_high): Ditto.
5315 (load_macho_picbase): Ditto.
5316 (call): Add TARGET_MACHO case to modify function.
5317 (call_value): Ditto.
5318 (call_nonlocal_sysv): Add ABI_DARWIN case.
5319 (call_value_nonlocal_sysv): Ditto.
5320 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5322 (machopic_output_stub): Ditto.
5323 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5325 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5327 * dwarf2out.c (modified_type_die): Don't create new types here.
5328 * tree.h (get_qualified_type): New function.
5329 (build_qualified_type): Adjust comment.
5330 * tree.c (get_qualified_type): New function.
5331 (build_qualified_type): Use it.
5333 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5335 * cpp.texi (-Wtraditional): Update description.
5337 * invoke.texi (-Wtraditional): Likewise.
5339 2001-04-11 Jim Wilson <wilson@redhat.com>
5341 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5342 requires more than 64 bits of alignment.
5344 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5346 * cpplib.c (do_line): Sanity check iff enable checking.
5348 2001-04-11 Richard Henderson <rth@redhat.com>
5350 * Makefile.in (insn-recog.o): Depend on toplev.h.
5351 (insn-emit.o, doloop.o): Likewise.
5352 * genrecog.c, genemit.c: Include toplev.h in generated file.
5353 * doloop.c: Include toplev.h.
5355 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5357 * Makefile.in (gcse.o): Depend on params.h.
5358 * gcse.c: Include params.h.
5359 (gcse_main): Don't do GCSE if doing so will take inordinate
5361 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5362 * params.h (MAX_GCSE_MEMORY): New macro.
5364 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5366 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5368 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5370 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5372 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5374 * real.h (ereal_atof, real_value_truncate, target_isnan,
5375 target_isinf, target_negative, assemble_real, debug_real): Delete
5376 redundant prototypes.
5378 * Makefile.in (ifcvt.o): Depend on toplev.h.
5380 * c-semantics.c: Include expr.h.
5382 * ifcvt.c: Include toplev.h.
5384 * expr.h (rtx_equal_p): Delete prototype.
5386 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5387 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5388 eliminate_constant_term, expand_complex_abs, find_single_use,
5389 make_tree, init_expr_once, init_optabs, supports_one_only):
5392 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5393 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5394 expand_assignment, store_expr, emit_line_note_after,
5395 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5397 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5399 * sparc-protos.h: Delete redundant prototypes.
5401 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5403 * reload.c (push_reload): Add condition missed in SUBREG byte
5406 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5408 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5410 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5412 * i386.md (floatsisf_sse): Fix output template
5413 * i386.c (ix86_expand_fp_movcc)
5415 * reg-stack.c (emit_pop_insn): Handle complex modes.
5416 (move_for_stack_reg): Emit proper move mode.
5417 (subst_stack_regs_pat): Handle complex modes.
5419 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5421 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5423 2001-04-10 Richard Henderson <rth@redhat.com>
5425 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5426 (__pure_virtual, __terminate, __terminate_set_func,
5427 __default_terminate, __throw_type_match, __empty,
5428 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5429 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5430 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5431 Remove prototypes of deleted functions.
5433 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * c-typeck.c (convert_arguments): -Wtraditional now activates
5436 -Wconversion warnings, except for changes in signed-ness.
5437 Detect complex<->int & int<->complex conversions as well.
5439 * invoke.texi (-Wtraditional): Document it.
5441 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5443 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5444 * flow.c (set_block_for_new_insns): Remove needless cast and
5445 properly check for unset block number.
5447 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5449 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5450 the subreg was a hard register. Pseudos are left as subregs.
5452 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5454 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5455 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5456 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5457 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5458 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5460 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5462 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5464 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5466 * output.h (set_block_num): Missed it earlier, remove deprecated
5469 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5471 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5472 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5473 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5474 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5475 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5476 (expr_killed_p): Change bb parameter from int to basic_block, pass
5477 basic_blocks instead of ints as parameters.
5478 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5479 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5480 from int to basic_block, pass basic_blocks instead of ints as parms.
5481 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5482 parameter from int to basic_block, pass basic_blocks instead of ints.
5483 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5484 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5485 pass basic_blocks instead of ints.
5486 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5487 basic_blocks instead of ints as parameters.
5488 (pre_delete): Pass basic_blocks instead of ints as parameters.
5489 (hoist_expr_reaches_here_p): Change bb parameter from int to
5490 basic_block, pass basic_blocks instead of ints.
5491 (hoist_code): Pass basic_blocks instead of ints as parameters.
5492 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5493 Change bb parameter from int to basic_block.
5494 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5495 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5496 pass basic_blocks instead of ints.
5497 (insert_store): Pass basic_blocks instead of ints as parameters.
5498 (replace_store_insn, delete_store): Change bb parameter from int to
5499 basic_block, pass basic_blocks instead of ints.
5500 (store_motion): Pass basic_blocks instead of ints as parameters.
5502 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5504 * basic-block.h (set_new_block_for_insns): New Prototype.
5505 (set_block_num): Delete prototype.
5506 * flow.c (set_block_num): Remove obsolete function.
5507 (set_block_for_new_insns): Set BB for single or multiple insns.
5508 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5509 (process_insn_end_bb): Use set_block_for_new_insns or
5510 set_block_for_insn instead of set_block_num.
5511 (pre_insert_copy_insn): Use set_block_for_new_insns.
5512 (update_ld_motion_stores): Use set_block_for_new_insns.
5513 (insert_insn_start_bb): Use set_block_for_new_insns.
5514 (replace_store_insn): Use set_block_for_new_insns.
5516 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5517 Jeff Law <law@redhat.com>
5519 * alias.c (get_addr): Externalize.
5520 (canon_true_dependence): New function. Behaves like true_dependance
5521 except it already assumes a MEM has been canonicalized.
5522 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5523 * gcse.c (struct ls_expr): Add load/store expressions structure.
5524 (modify_mem_list, canon_modify_mem_list): New variable.
5525 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5526 load motion and store motion if requested.
5527 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5528 (free_gcse_mem): Free the modify_mem_list array.
5529 (oprs_unchanged_p): Use load_killed_in_block_p.
5530 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5531 (mems_conflict_for_gcse_p): New function. Don't kill loads
5532 with stores to themselves if its in the load/store expression list.
5533 (load_killed_in_block_p): New function.
5534 (canon_list_insert): New Function.
5535 (record_last_mem_set_info): Keep a list of all instructions which
5536 can modify memory for each basic block.
5537 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5538 (oprs_not_set_p): Use load_killed_in_block_p.
5539 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5540 (expr_killed_p): Use load_killed_in_block_p.
5541 (compute_transp): Do not pessimize memory references.
5542 (pre_edge_insert): Update stores for a load motion expression.
5543 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5544 (ldst_entry): Find or create a ldst_expr structure.
5545 (free_ldst_entry): Free memory for an individual item.
5546 (free_ldst_mems): Free entire load/store expression list.
5547 (print_ldst_list): Print debug info.
5548 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5549 (enumerate_ldsts): Assign integer values to each entry in list.
5550 (first_ls_expr): First expression in the list.
5551 (next_ls_expr): Next expression in the list.
5552 (simple_mem): Check if expression qualifies for ld/st expression list.
5553 (invalidate_any_buried_refs): Remove from expression list if its
5554 used in some other way we dont understand.
5555 (compute_ld_motion_mems): Find all potential enhanced load motion
5557 (trim_ld_motion_mems): Remove any expressions which are invalid.
5558 (update_ld_motion_stores): Copy store values to registers for loads
5559 which have been moved.
5560 (regvec, st_antloc, num_store): New global statics.
5561 (reg_set_info): Marks registers as set.
5562 (store_ops_ok): Verfies registers expressions are valid in a block.
5563 (find_moveable_store): Look for moveable stores in a pattern.
5564 (compute_store_table): Find stores in a function worth moving, maybe.
5565 (load_kills_store): Check dependance of a load and store.
5566 (find_loads): Find any loads in a pattern.
5567 (store_killed_in_insn): Check if a store is killed in an insn.
5568 (store_killed_after): Check is store killed after an insn in a block.
5569 (store_killed_before): Check is store killed before an insn in a block.
5570 (build_store_vectors): Generate the antic and avail vectors.
5571 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5572 (insert_store): Add a store to an edge.
5573 (replace_store_insn): Replace a store with a SET insn.
5574 (delete_store): Delete a store insn.
5575 (free_store_memory): Free memory.
5576 (store_motion): Perform store motion.
5577 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5578 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5579 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5580 (f_options): Add gcse-lm and gcse-sm.
5582 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5584 * i386.c (expand_fp_movcc): Fix condition reversal code.
5586 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5587 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5588 (CLASS_MAX_NREGS): Use it.
5590 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5591 handle properly complex values.
5592 (CLASS_MAX_NREGS): Likewise; update comment.
5594 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5596 * ia64.c (ia64_flag_schedule_insns2): New variable.
5597 (ia64_override_options): Initialize it. Clear
5598 flag_schedule_insns_after_reload.
5599 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5601 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5603 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5604 Do not require source to match destination anymore;
5605 Add abort to the nontrivial cases that should be handled by split.
5606 (fix_trunc?fdi): Add SSE case for x86_64.
5607 (floatdi?f): Likewise.
5608 (floatdi?f_sse): New.
5609 (fix_trunc?fdi_sse): New.
5611 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5613 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5614 (DEBUG_ARANGES_END_LABEL): Ditto.
5615 (dwarfout_init): Generate length and version fields at the start
5616 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5617 after the length field.
5618 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5619 the .debug_aranges info.
5621 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5623 * i386.c (call, call_value): Make sure that resulting call_insn
5624 does have proper second operand.
5626 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5628 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5629 function. Remove include of sys/cygwin.h.
5631 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5633 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5634 (CPP_SPEC): Always search */include/w32api for header files.
5635 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5636 (LINK_SPEC): Add "cyg" to the library search prefixes.
5638 2001-04-08 Philip Blundell <philb@gnu.org>
5640 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5642 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5644 * cpperror.c (print_location): Don't special case <stdin>.
5645 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5646 WARNING, but we don't check if we're in system headers.
5647 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5648 * cpplib.c (do_warning): Warn in system headers.
5650 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5652 * mbchar.c: Include config.h first.
5654 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5656 * config.gcc: Set default for xmake_file at top, not bottom.
5657 Change places that set xmake_file to "none" to set to the
5658 empty string instead, or remove them entirely if there is no
5659 default xmake_file for this cpu_type. Remove references to
5662 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5663 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5664 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5665 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5666 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5667 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5668 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5669 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5670 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5671 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5674 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5675 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5676 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5677 config/mips/x-sysv, config/rs6000/x-aix31:
5678 Just set CLIB to -lld or -lmld, as appropriate.
5680 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5681 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5682 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5683 config/mips/x-iris, config/pa/x-pa:
5684 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5685 OTHER_FIXINCLUDES_DIRS.
5687 * config/i386/x-djgpp: Don't set LN or LN_S.
5688 * config/m88k/x-dolph: Don't define __m88k__.
5689 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5690 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5691 * config/i860/fx2800.h: No need to #undef SVR4.
5693 38 x-host fragments remain, 2 x-cpu.
5695 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5697 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5699 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5701 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5703 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5705 * configure.in: Add check for lstat.
5706 * configure, config.in: Regenerate.
5707 * cppinit.c (append_include_chain): Make empty path ".".
5708 * cpplib.c (do_line): Don't simplify #line paths.
5709 * cppfiles.c (remove_component_p): New function.
5710 (find_or_create_entry): Acknowledge stat () errors during
5711 path simplification.
5712 (handle_missing_header): Don't simplify paths.
5713 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5714 the empty path untouched. Don't leave a trailing '/'.
5716 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5718 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5719 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5721 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5723 * cppfiles.c (open_file): Fail directories silently, but
5724 with an errno of NOENT set.
5725 (read_include_file): Move the common exit code to the sole
5726 caller. Return an int indicating success or failure. Let
5727 open_file handle directories.
5728 (stack_include_file): If read_include_file fails,
5729 push a "null" buffer.
5731 2001-04-05 DJ Delorie <dj@redhat.com>
5733 * function.h (virtuals_instantiated): Declare.
5734 * function.c: (virtuals_instantiated): Make global.
5735 * calls.c (emit_library_call_value_1): Use
5736 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5737 Otherwise, use the stack pointer directly.
5739 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5741 * i386.c (x86_initialize_trampoline): New global function.
5742 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5743 (INITIALIZE_TRAMPOLINE): Move offline.
5744 * i386-protos.h (x86_initialize_trampoline): Declare.
5746 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5748 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5749 (lea_0): Rename to lea_1.
5750 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5751 (lea_general_?): Allow SImodes on TARGET_64BIT
5752 (lea_general_?_zext): New patterns.
5753 (call_1, call_1_rex64): Fix.
5755 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5757 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5759 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5761 * i386.c (function_arg): Return constm1_rtx for last argument.
5762 (ix86_expand_prologue): Update gen_call calls.
5763 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5764 * i386.md (call_pop): Likewise.
5765 (call): Second operand is VOIDmode.
5766 (call_0): Likewise; Support 64bits.
5767 (call_exp): New expander.
5768 (call_1): Get to the sync.
5769 (call_1_exp): New pattern.
5770 (call_value): Support 64bit.
5771 (call_value_exp): New pattern.
5772 (untyped_call): Update gen_call call.
5773 (call_value_pop): Disable for 64bit.
5774 (call_value_0_rex64): New pattern.
5775 (call_value_1_rex64): Likewise.
5777 2001-04-05 Bo Thorsen <bo@suse.de>
5779 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5781 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5783 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5784 satisfies ANY_QI_REG_P.
5786 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5788 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5791 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5794 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5796 * config.gcc: Remove default for xm_file. Clean up local
5797 machine type handling. Remove settings of xm_file to
5798 something that doesn't exist. In the big switch, set xm_file,
5799 don't append to it (the value before the big switch is always
5800 null). Don't force build_xm_file or host_xm_file to have a value.
5801 * configure.in: Remove default for xm_file. Do not special
5802 case $cpu/xm-$cpu.h not existing.
5803 * configure: Regenerate.
5805 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5807 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5808 when folding integer division and modulo operations.
5810 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5812 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5813 instead of DWARF2_ADDR_SIZE for EH addresses.
5814 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5817 2001-04-04 Richard Henderson <rth@redhat.com>
5819 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5820 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5821 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5823 2001-04-04 Richard Henderson <rth@redhat.com>
5825 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5826 * configure: Rebuilt.
5828 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5830 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5831 push insns to delete to it instead of deleting them.
5832 (delete_null_pointer_checks): Delete insns from delete_list after
5833 all delete_null_pointer_checks_1 passes are done.
5835 2001-04-04 Richard Henderson <rth@redhat.com>
5837 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5838 * configure: Rebuilt.
5840 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5842 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5843 * config/romp/xm-romp.h: Delete.
5845 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5847 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5850 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5852 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5853 all labels present in rtx.
5854 (try_split) Call new function for all split insns.
5856 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5858 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5859 sure the change won't be validated.
5861 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5863 * rtl.h (set_noop_p): Declare.
5864 * flow.c (set_noop_p): Move from here ...
5865 * rtlanal.c (set_noop_p): ... to here and enhance.
5866 * cse.c (delete_trivially_dead_insns): Use it.
5867 * gcse.c (hash_scan_set): Likewise.
5868 * jump.c (delete_noop_moves): Likewise.
5869 * recog.c (split_all_insns): Likewise.
5871 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5873 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5874 stack pointer via a LO_SUM. Ditto for setting a temp register
5875 used to save to the stack. Set cfa_temp when setting fp, and
5876 allow matches to cfa_temp in addition to cfa_store when saving
5877 regs. Handle POST_INC and LO_SUM register stores. Document the
5878 changes and errors in rule 12 doco.
5880 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5881 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5882 (load_reg): Move closer to epilogue code.
5883 (DO_FRAME_NOTES): Define to control the following..
5884 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5885 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5887 (hppa_expand_epilogue): Likewise.
5889 2001-04-03 Richard Henderson <rth@redhat.com>
5891 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5892 * configure: Rebuild.
5894 2001-04-03 Richard Henderson <rth@redhat.com>
5896 * rtl.h (LCT_THROW): New.
5897 * calls.c (emit_library_call_value_1): Handle it.
5898 * except.c (connect_post_landing_pads): Use it.
5900 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5902 * gansidecl.h: Delete file.
5903 * configure.in: Change all refs to gansidecl.h to use
5904 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5906 * configure: Regenerate.
5908 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5909 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5910 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5911 Don't include gansidecl.h.
5912 * intl.c, main.c, version.c, fixinc/fixlib.h,
5913 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5916 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5918 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5921 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5923 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5924 config/i386/xm-next.h, config/i386/xm-sco.h,
5925 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5926 config/m88k/xm-m88k.h: Delete.
5928 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5929 * config/romp/xm-romp.h: Don't define bcopy.
5930 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5931 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5933 * config.gcc: Remove references to deleted files.
5935 14 xm-host.h remain, 1 xm-cpu.h.
5937 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5938 David S. Miller <davem@pierdol.cobaltmicro.com>
5939 Andrew MacLeod <amacleod@redhat.com>
5941 Use byte offsets in SUBREGs instead of words.
5943 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5944 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5945 to pass new argument.
5946 (add_stored_regs): Use subreg_regno_offset function.
5947 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5949 (precompute_arguments): Use gen_lowpart_SUBREG.
5950 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5951 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5952 (simplify_set): Rework to use SUBREG_BYTE.
5953 (expand_field_assignment): Use SUBREG_BYTE.
5954 (make_extraction): Use SUBREG_BYTE.
5955 (if_then_else_cond): Use SUBREG_BYTE.
5956 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5957 (gen_lowpart_for_combine): Compute full byte offset.
5958 * cse.c (mention_regs): Use SUBREG_BYTE.
5959 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5960 (canon_hash): Use SUBREG_BYTE.
5961 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5962 (gen_lowpart_if_possible): Formatting.
5963 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5965 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5966 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5967 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5968 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5969 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5970 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5971 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5972 certain invariants about SUBREGs the compiler creates.
5973 (gen_lowpart_SUBREG): New function.
5974 (subreg_hard_regno): New function to get the final register number.
5975 (gen_lowpart_common): Use SUBREG_BYTE.
5976 (gen_imagpart): Spacing nits.
5977 (subreg_realpart_p): Use SUBREG_BYTE.
5978 (gen_highpart): Use SUBREG_BYTE.
5979 (subreg_lowpart_p): Always compute endian corrected goal offset,
5980 even at the byte level, then compare against that.
5981 (constant_subword): New function, pulled out all constant cases
5982 from operand_subword and changed second argument name to offset.
5983 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5984 and call constant_subword to do the work. Return const0_rtx if
5985 looking for a word outside of OP.
5986 (operand_subword_force): Change second arg name to offset.
5987 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5988 (store_split_bit_field): Use SUBREG_BYTE.
5989 (extract_bit_field): Use SUBREG_BYTE.
5990 (extract_split_bit_field): Use SUBREG_BYTE.
5991 (expand_shift): Use SUBREG_BYTE.
5992 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5993 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5994 * flow.c (set_noop_p): Use SUBREG_BYTE.
5995 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5996 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5997 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5999 (optimize_bit_field): Use SUBREG_BYTE.
6000 (purge_addressof_1): Use SUBREG_BYTE.
6001 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6002 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6003 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6004 * gengenrtl.c (special_rtx): Add SUBREG.
6005 * global.c (mark_reg_store): Use SUBREG_BYTE.
6006 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6007 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6008 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6009 final byte offset is congruent to subreg's mode size.
6010 (subst_constants): Use SUBREG_BYTE.
6011 (mark_stores): Use subreg_regno_offset function.
6012 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6013 function and SUBREG_BYTE.
6014 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6015 (reg_is_born): Use subreg_hard_regno.
6016 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6017 endian correction code. Don't combine subregs unless resulting
6018 offset aligns with type. Fix subreg constant extraction for DImode.
6019 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6020 (general_operand): Remove dead mode_altering_drug code.
6021 (indirect_operand): Use SUBREG_BYTE.
6022 (constrain_operands): Use subreg_regno_offset function.
6023 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6024 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6025 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6026 * regs.h (REG_SIZE): Allow target to override.
6027 (REGMODE_NATURAL_SIZE): New macro which target can override.
6028 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6029 on the entire subreg rtx.
6030 (push_reload): Use SUBREG_BYTE in comments and code.
6031 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6032 for hard registers inside subregs.
6033 (operands_match_p): Use subreg_regno_offset.
6034 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6035 containing hard regs.
6036 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6037 corrections when fixing up MEM subregs.
6038 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6039 subreg_regno_offset where appropriate.
6040 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6041 byte endian corrections when fixing up MEM subregs.
6042 (subst_reloads): When combining two subregs, make sure final
6043 offset is congruent to subreg's mode size.
6044 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6045 (refers_to_regno_for_reload_p): Use subreg_regno.
6046 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6047 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6048 correction code for memory subreg fixups.
6049 (forget_old_reload_1): Use subreg_regno_offset.
6050 (choose_reload_regs): Use subreg_regno.
6051 (emit_input_reload_insns): Use SUBREG_BYTE.
6052 (reload_combine_note_store): Use subreg_regno_offset.
6053 (move2add_note_store): Use subreg_regno_offset.
6054 * resource.c (update_live_status, mark_referenced_resources): Use
6055 subreg_regno function.
6056 (mark_set_resources): Use subreg_regno function.
6057 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6058 (subreg_regno_offset, subreg_regno): Define prototypes.
6059 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6060 (gen_lowpart_SUBREG): Add prototype.
6061 * rtl.texi (subreg): Update to reflect new byte offset representation.
6062 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6063 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6064 (reg_overlap_mentioned_p): Use subreg_regno.
6065 (replace_regs); Make sure final offset of combined subreg is
6066 congruent to size of subreg's mode.
6067 (subreg_regno_offset): New function.
6068 (subreg_regno): New function.
6069 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6070 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6071 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6072 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6073 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6074 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6075 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6076 (print_operand): Use SUBREG_BYTE.
6077 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6078 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6079 (arm_reload_out_hi): Use SUBREG_BYTE.
6080 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6081 instead of SUBREG_WORD.
6082 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6083 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6084 SUBREG creation to use byte offset.
6085 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6086 inverted load insns): Fix explicit rtl subregs to use byte
6088 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6089 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6090 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6091 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6092 to use byte offsets.
6093 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6094 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6095 offsets, also make sure it is congruent to SUBREG's mode size.
6096 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6097 unnamed ldob insn): Generate SUBREGs with byte offset.
6098 (zero_extendqihi2): SUBREG's are byte offsets.
6099 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6100 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6101 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6102 zero-extendqisi2): Generate SUBREGs with byte offset.
6103 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6104 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6105 subregs in rtl to use byte offsets.
6106 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6107 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6108 (mips_move_2words): Use subreg_regno_offset.
6109 (mips_secondary_reload_class): Use subreg_regno_offset.
6110 * config/mips/mips.md (DImode plus, minus, move, and logical op
6111 splits): Fixup explicit subregs in rtl to use byte offsets.
6112 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6113 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6114 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6115 rtl to use byte offsets.
6116 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6117 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6118 subregs to use byte offsets.
6119 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6120 Fixup explicit subregs in rtl to use byte offsets.
6121 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6122 and remove byte endian correction code.
6123 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6124 (gen_ashift_hi): Use SUBREG_BYTE.
6125 (regs_used): Use subreg_regno_offset.
6126 (machine_dependent_reorg): Use subreg_regno_offset.
6127 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6128 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6129 (movdf_i4): Subregs are byte offsets now.
6130 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6131 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6132 (REGMODE_NATURAL_SIZE): Override.
6133 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6134 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6136 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6137 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6138 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6139 it is congruent to SUBREG's mode size.
6140 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6142 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6143 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6144 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6145 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6146 * config/v850/v850.c (print_operand, output_move_double): Use
6147 subreg_regno function.
6149 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6151 * configure.in (target_subdir): Use target_alias, not target.
6152 * configure: Rebuilt.
6154 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6156 * config/sh/crti.asm: Fix typos in comments.
6158 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6160 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6161 TARGET_FAST_INDIRECT_CALLS.
6162 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6164 (return_addr_rtx): Short circuit export stub matching when
6165 TARGET_NO_SPACE_REGS.
6166 (output_millicode_call): For out of range calls, make -fPIC
6167 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6168 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6169 * pa.md: Modify length attr calculation of all millicode insns to
6172 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6174 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6175 Require at least 2.11 in the version test. Specifically check
6176 for and reject GAS version 2.10.90.
6177 * configure: regenerate.
6179 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6181 * pa.c (override_options): Remove PIC profiling warning.
6182 (hp_profile_labelno): Delete.
6183 (hp_profile_label_rtx): Delete.
6184 (hp_profile_label_name): Delete.
6185 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6186 (output_function_prologue): Remove profiling code and all tests on
6187 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6188 merge_sp_adjust_with_store can work for PIC and profiling.
6189 (hppa_expand_epilogue): Remove profile_flag test.
6190 (hppa_can_use_return_insn_p): Likewise.
6191 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6192 cater for PROFILE_HOOK.
6193 (hppa_profile_hook): New function.
6194 * pa.h (FUNCTION_PROFILER): Now does nothing.
6195 (PROFILE_HOOK): Define.
6196 (hppa_profile_hook): Declare.
6197 (PROFILE_BEFORE_PROLOGUE): Delete.
6198 (ASM_OUTPUT_REG_PUSH): Delete.
6199 (ASM_OUTPUT_REG_POP): Delete.
6200 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6201 r24. Accept function name operand, and use this and a locally
6202 generated label to calculate pc-rel offset to func start.
6204 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6206 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6207 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6210 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6212 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6213 LO_SUM cases to where they belong.
6215 2001-04-02 Richard Henderson <rth@redhat.com>
6217 * except.h (lang_eh_type_covers): Mark extern.
6218 (lang_eh_runtime_type): Likewise.
6220 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6222 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6223 gengenrtl.c: Wrap generated header in multiple-include guard.
6224 Improve error checking.
6226 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6228 * configure.in: Don't check for putenv.
6229 * configure: Regenerate.
6230 * gcc.c (putenv): Don't define.
6231 * vax/xm-vms.h: Handle putenv.
6233 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6235 * ifcvt.c (noce_emit_move_insn): New.
6236 (noce_try_store_flag, noce_try_store_flag_constants,
6237 noce_try_store_flag_inc, noce_try_store_flag_mask,
6238 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6239 noce_try_abs): Use it.
6240 (noce_process_if_block): Likewise.
6241 For STRICT_LOW_PART, take mode from its SUBREG.
6243 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6245 * fold-const.c (fold): Before optimizing unsigned comparison with
6246 0x7fffffffU, make sure arg0 is integral type.
6248 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6250 * c-tree.texi: Document representation of wide strings.
6252 2001-04-01 Richard Henderson <rth@redhat.com>
6254 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6256 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6258 * i386.md: remove obsoleted comments.
6259 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6260 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6261 fix output template.
6263 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6265 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6267 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6269 * loop.c (load_mems): When generating a load from a pseudo, update
6272 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6274 * i386.c (ix86_split_long_move): Use change address to compensate
6275 stack pointer change in push instruction.
6277 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6279 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6280 instead of rtx_equal_p; fix the output template.
6282 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6284 * i386.c (ix86_expand_setcc): Support 64bit.
6285 (ix86_expand_int_movcc): Likewise.
6286 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6289 * i386.md (allocate_stack_worker): Turn to expander.
6290 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6292 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6294 2001-03-29 Richard Henderson <rth@redhat.com>
6296 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6298 2001-03-28 Matthew Hiller <hiller@redhat.com>
6300 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6303 * MAINTAINERS: Added self.
6305 2001-03-28 Richard Henderson <rth@redhat.com>
6307 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6308 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6310 2001-03-28 Jim Wilson <wilson@redhat.com>
6312 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6315 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6317 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6319 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6322 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6324 2001-03-28 DJ Delorie <dj@redhat.com>
6326 * Makefile.in (stage1_build): Revert CFLAGS patch.
6328 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6330 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6331 when multiplier or multiplicand is zero.
6333 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6335 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6337 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6339 (set_src_needs_barrier): Likewise.
6340 (rtx_needs_barrier): For SET case, use these two functions. Rework
6341 PARALLEL case to handle all inputs before all outputs.
6342 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6343 saw a label and no stop bit since then.
6344 (maybe_rotate, process_epilogue): Add prototypes.
6346 2001-03-28 Richard Henderson <rth@redhat.com>
6348 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6349 not TARGET_TOC for special toc restore handling.
6350 * config/rs6000/rs6000.md (eh_return): Likewise.
6352 2001-03-28 Richard Henderson <rth@redhat.com>
6354 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6355 current_function_calls_eh_return.
6356 (output_function_epilogue): Handle eh_return.
6357 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6358 (EH_RETURN_DATA_REGNO): New.
6359 (EH_RETURN_STACKADJ_RTX): New.
6360 (EH_RETURN_HANDLER_RTX): New.
6361 * config/sparc/sparc.md (call/short branch peepholes): Check
6362 can_throw_internal instead of in_same_eh_region.
6364 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6365 for eh_return data registers.
6366 (rs6000_emit_prologue): Save eh_return data registers.
6367 (rs6000_emit_epilogue): Force inline restores if eh_return.
6368 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6369 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6370 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6371 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6372 the target uses one.
6373 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6374 (return_eh_si, return_eh_di): Remove.
6375 (eh_return): New, from corpse of eh_epilogue.
6376 (eh_set_lr_si, eh_set_lr_di): New.
6378 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6379 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6380 True for pic register if current_function_calls_eh_return.
6381 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6382 Handle eh_return requirements.
6383 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6384 (EH_RETURN_STACKADJ_RTX): New.
6385 * config/i386/i386.md (exception_receiver): Remove.
6386 (eh_return, eh_return_1): New.
6387 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6389 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6390 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6391 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6392 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6393 (EH_RETURN_DATA_REGNO): New.
6394 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6395 * config/alpha/alpha.md (eh_epilogue): Remove.
6396 (exception_receiver): Use $26 for ldgp input.
6397 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6399 2001-03-28 Richard Henderson <rth@redhat.com>
6401 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6402 * except.h: Likewise.
6404 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6405 (LIB2ADDEHDEP): New.
6406 (LIB2FUNCS_EH): Remove.
6407 (LIB2ADD): Remove LIB2ADDEH.
6408 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6409 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6410 (crt{begin,end}[S].o): Likewise.
6411 (except.o): Update includes.
6412 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6413 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6415 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6416 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6417 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6418 * builtins.c (expand_builtin): Implement it.
6419 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6420 * c-common.c (c_common_nodes_and_builtins): Declare it.
6421 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6422 * calls.c (libfunc_nothrow): Remove.
6423 (emit_library_call_value_1): Don't call it.
6424 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6425 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6426 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6427 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6428 (current_funcdef_number): Globalize.
6429 (output_call_frame_info): Emit frame data if an lsda is needed.
6430 Generate augmentation for personality routine. Don't play with
6432 (dwarf2out_begin_prologue): Record funcdef_number.
6433 * dwarf2out.h (current_funcdef_number): Declare.
6434 * expr.c (expand_expr): Update for except.h name changes.
6435 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6436 * expr.h (LTI_throw, LTI_rethrow): Remove.
6437 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6438 (LTI_eh_rtime_match): Remove.
6439 (LTI_unwind_resume, LTI_eh_personality): Add.
6440 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6441 * final.c (final): Don't call check_exception_handler_labels,
6442 init_insn_eh_region, or free_insn_eh_region.
6443 (final_scan_insn): Always emit debug labels for
6444 NOTE_INSN_EH_REGION notes.
6445 * flags.h (flag_new_exceptions): Remove.
6446 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6447 (record_active_eh_regions): Remove.
6448 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6449 Use can_throw_internal.
6450 (find_basic_blocks_1): Likewise.
6451 (move_stray_eh_region_notes): Remove.
6452 (find_label_refs): No eh_return_stub_label.
6453 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6454 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6456 (delete_unreachable_blocks): Don't track deleted handlers.
6457 (flow_delete_block): Use maybe_remove_eh_handler.
6458 (delete_eh_regions): Remove.
6459 (merge_blocks): Don't check for eh region match.
6460 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6461 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6462 (init_propagate_block_info): Disable dead frame store optimization
6463 when current_function_calls_eh_return.
6464 (dump_bb): Don't print eh_beg, eh_end.
6465 * function.c (fixup_var_refs): No catch_clauses.
6466 (expand_function_end): Likewise. Call expand_eh_return before
6467 the return register use. Call sjlj_emit_function_exit_after.
6468 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6469 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6470 * ifcvt.c (dead_or_predicable): Remove eh region check.
6471 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6472 Don't check for EH vs parameters.
6473 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6474 (expand_inline_function): Call duplicate_eh_regions.
6475 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6476 (copy_insn_notes): Remap REG_EH_REGION notes.
6477 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6478 * integrate.h (struct inline_remap): Add local_return_label.
6479 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6480 check_exception_handler_labels, nor exception_optimize.
6481 (find_cross_jump): No EH region check.
6482 * optabs.c (init_optabs): Update for changed eh libfuncs.
6483 * rtl.def (RESX): New.
6484 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6485 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6486 checks. Update for except.h name changes.
6487 (expand_cleanups): Likewise.
6488 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6489 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6490 (compile_file): Call init_eh before init_optabs. Don't
6491 output_exception_table here.
6492 (rest_of_compilation): Call convert_from_eh_region_ranges,
6493 convert_to_eh_region_ranges, output_function_exception_table.
6494 Don't emit_eh_context.
6495 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6496 (EXC_PTR_EXPR): New.
6498 * md.texi (eh_epilogue): Remove.
6499 (eh_return): Document.
6500 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6501 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6503 * eh-common.h: Remove file.
6504 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6505 * libgcc2.c (L_eh): Remove.
6507 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6508 * unwind-dw2-fde.h: New file.
6509 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6510 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6511 * libgcc-std.ver: Update for eh symbols.
6513 2001-03-27 Richard Henderson <rth@redhat.com>
6515 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6516 reduce false positives.
6517 (regmove_optimize): Disable if flag_non_call_exceptions.
6519 * stmt.c (expand_return): Remove always true predicate.
6520 (expand_decl_cleanup_no_eh): Remove dead code.
6522 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6523 barrier code. Add a scheduling barrier if a non-call insn
6524 can throw internally.
6526 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6527 Auto-inc addresses trap only if their base register does.
6529 * except.c (can_throw_internal): Rename from can_throw.
6530 * except.h, resource.c: Update references.
6532 * integrate.c (copy_insn_list): Use returnjump_p.
6533 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6535 * function.h (struct function): Move all boolean valued fields
6536 to single bit fields at the end of the struct.
6538 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6540 Rename asynchronous_exceptions to flag_non_call_exceptions.
6542 * gthr-single.h (UNUSED): New. Distinguish between how C
6543 and C++ mark unused function arguments. Use throughout.
6545 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6546 value to target configuration header.
6547 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6548 * config.in, configure: Rebuild.
6549 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6550 configuration and target defines.
6551 (exceptions_via_longjmp): Remove.
6552 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6553 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6555 * except.h (flag_non_call_exceptions): Move ...
6556 * flags.h: ... here.
6558 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6559 exceptions, put the note on the trapping instruction.
6561 * flags.h (flag_new_exceptions): Remove.
6562 * toplev.c: Don't set it.
6563 * final.c: Don't check it.
6564 * except.c: Provide stub definition.
6566 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6567 (calculate_global_regs_live): Kill call-clobbered registers
6568 across exception edges.
6569 * reg-stack.c (convert_regs_1): Kill the entire target stack
6570 across non-call exception edges.
6572 * flow.c (cleanup_cfg): Take no argument.
6573 * output.h, sibcall.c, toplev.c: Update all calls.
6575 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6577 * configure.in: Don't check for bcopy.
6578 * configure, config.in: Regenerate.
6580 * system.h: Don't define or prototype bcopy, instead poison it.
6582 2001-03-27 Richard Henderson <rth@redhat.com>
6584 * function.c (expand_function_start): Set DECL_REGISTER on
6585 a pseudo used for DECL_RESULT.
6587 * rtl.h (LCT_NORETURN): New.
6588 * calls.c (emit_library_call_value_1): Handle it.
6590 2001-03-27 Stan Shebs <shebs@apple.com>
6592 * objc/objc-act.c (objc_init): Use dump_base_name.
6593 (gen_declaration): Clear the buffer arg.
6594 (gen_declaration_1): New function, body of gen_declaration.
6595 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6596 (gen_method_decl): Ditto, plus always clear buffer arg.
6597 (error_with_ivar): Simplify.
6598 (warn_with_method): Ditto.
6599 (build_message_expr): Don't clear buffers.
6600 (dump_interface): Ditto.
6601 (objc_debug): Ditto.
6602 (build_keyword_selector): Clear the buffer by only zeroing
6604 (objc_implementation_context): Declare.
6605 (start_class): Warn about missing @end.
6606 (finish_objc): Ditto.
6608 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6610 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6612 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6614 * Makefile.in (SYSTEM_H): Define.
6615 Depend on $(SYSTEM_H), not system.h.
6617 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6619 2001-03-27 Jim Wilson <wilson@redhat.com>
6621 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6623 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6624 (process_epilogue): New static function.
6625 (process_set): Call process_epilogue instead of emitting .restore
6627 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6629 * flow.c (struct reg_cond_life_info): New fields orig_condition
6631 (init_propagate_block_info): Set new fields.
6632 (mark_regno_cond_dead): Set and use new fields.
6633 (flush_reg_cond_reg_1): Likewise.
6634 (and_reg_cond, case AND): Check for redundant AND conditions.
6635 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6638 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6640 * cppmacro.c (stringify_arg): Null terminate strings.
6642 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6644 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6645 inclusion style. xm-m68hc11.h no longer exists.
6646 * config/m68hc11/xm-m68hc11.h: Delete file.
6647 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6649 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6650 Don't define GCC_VERSION, N_, or PARAMS; don't include
6651 gansidecl.h or stdio.h. Define inhibit_libc here.
6652 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6653 Delete code conditioned on #if GCC_VERSION == 2095.
6655 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6656 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6657 Delete code conditioned on #if GCC_VERSION == 2095.
6659 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6661 * system.h: Include symcat.h.
6662 (STRINGIFY): Don't define.
6664 * configure.in: Adjust comment.
6666 * builtins.c: Use STRINGX, not STRINGIFY.
6667 * gencheck.c: Likewise.
6668 * gengenrtl.c: Likewise.
6669 * protoize.c: Likewise.
6671 * cpplex.c: Don't include symcat.h.
6672 * cpplib.c: Likewise.
6674 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6676 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6678 * c-typeck.c (digest_init): Fold init expression.
6680 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6682 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6684 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6686 * except.c (eh_regs): Save results of build_pointer_type to a temp
6687 as FUNCTION_VALUE macro may evaluate its args multiple times.
6689 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6691 * c-common.h (DECL_NUM_STMTS): New macro.
6692 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6694 (pushdecl): Likewise.
6695 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6696 * integrate.c (expand_inline_function): Don't check
6698 * print-tree.c (print_node): Don't print it.
6699 * toplev.c (rest_of_compilation): Don't try to inline when
6700 flag_no_inline is on.
6701 * tree.h (DECL_FRAME_SIZE): Remove.
6702 (tree_decl): Adjust accordingly.
6704 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6706 * combine.c (try_combine): Use memcpy, not bcopy.
6708 * genattrtab.c (expand_units): Likewise.
6710 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6712 * i386.md (push mem DI peep2): New.
6713 (mov 0, mov -1 peep2): Handle 64bit.
6714 (lea to arithmetics peep2): Handle 64bit leas.
6715 (rsp arithmetics to push/pop peep2s): New.
6717 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6719 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6721 * i386.c (struct machine_function): Add save_varrargs_registers.
6722 (ix86_save_varrargs_registers): New macro.
6723 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6724 (ix86_expand_prologue): Likewise.
6725 (ix86_emit_epilogue_esp_adjustement): Likewise.
6726 (ix86_expand_epilogue): Likewise.
6727 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6728 (pro_epilogue_adjust_stack_1): New insn.
6729 (pro_epilogue_adjust_stack_rex64): Likewise.
6730 * i386.h (MASK_NO_RED_ZONE): New constant.
6731 (TARGET_RED_ZONE): New macro.
6732 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6733 (RED_ZONE_SIZE): New constant.
6734 (RED_ZONE_RESERVE): New constant.
6736 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6738 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6740 2001-03-25 Kazu Hirata <kazu@hxi.com>
6742 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6745 (umodhi3): Likewise.
6748 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6750 * mkconfig.sh (DEFINES): Handle entries with '='.
6752 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6753 Set xm_defines to MACRO=value instead.
6755 * i370/xm-mvs.h: Delete.
6757 * ns32k/xm-pc532-min.h: Likewise.
6759 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6761 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6763 use ix86_expand_binary_operator
6764 (?sh??i_?): Disable for 64bit.
6765 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6766 * i386.c (shiftdi_operand): New predicate.
6768 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6769 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6770 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6771 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6772 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6773 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6774 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6775 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6776 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6777 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6778 (rotldi3, rotrdi3): New expanders.
6780 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6782 * i386.md (movstrsi): Move offline.
6784 (strmovdi_rex64): New.
6785 (strmov?i): Accept 64bit.
6786 (strmov?i_rex64): New.
6787 (strmov?i_rex_1): New.
6788 (strmov?i_1): Disable for 64bit.
6789 (rep_mov?i_rex64): New.
6790 (rep_mov?i): Disable for 64bit.
6791 (clrstrsi): Move offline.
6792 (strset?i_rex64): New.
6793 (strset?i: Accept 64bit.
6794 (rep_stos?i): Disable for 64bit.
6795 (rep_stos?i_rex64): New.
6796 (strset?i_rex_1): New.
6797 (strset?i_1): Disable for 64bit.
6798 (cmpstrsi): Accept 64bit.
6799 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6800 (cmpstrqi_nz_rex_1): New.
6801 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6802 (strlensi): Move offline.
6804 (strlenqi_1): Disable for 64bit; fix constraints.
6805 (strlenqi_rex_1): New.
6806 * i386.c (ix86_adjust_counter): New static function.
6807 (ix86_zero_extend_to_Pmode): Likewise.
6808 (ix86_expand_aligntest): Likweise.
6809 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6810 (ix86_expand_movstr): New global function.
6811 (ix86_expand_clrstr): New global function.
6812 (ix86_expand_strlen): New global function.
6813 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6814 ix86_expand_strlen): Declare.
6815 (ix86_expand_strlensi_unroll_1): Delete.
6817 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6819 * i386.md (cmpdi): Fix operand predicates.
6820 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6821 cmpdi_1_insn_rex64): New patterns.
6822 (adddi3): Turn to expander.
6823 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6824 (addsi3_carry_zext): New pattern.
6825 (adddi_?_rex64): New patterns and splitters.
6826 (addsi_?_zext): New patterns.
6827 (subsi3_carry_zext): New pattern.
6828 (subdi_?_rex64): New patterns and splitters.
6829 (iorsi_?_zext): New patterns.
6830 (iordi_?_rex64): New patterns and splitters.
6831 (iorsi_?_zext): New patterns.
6832 (iorsi_?_zext_imm): New patterns.
6833 (xorsi_?_zext): New patterns.
6834 (xordi_?_rex64): New patterns and splitters.
6835 (xorsi_?_zext): New patterns.
6836 (negdi*): New patterns.
6837 (one_cmpldi*): Likewise.
6838 (one_cmplsi*_zext, negsi*_zext): Likewise.
6839 (testqi_ext_3_rex64): New pattern.
6841 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6843 * i386-protos.h (ix86_split_long_move): Return void.
6844 * i386.c (ix86_split_to_parts): Handle 64bit target.
6845 (ix86_split_long_move): Likewise.
6846 * i386.md (all calls to ix86_split_long_move): Update.
6848 2001-03-23 Richard Henderson <rth@redhat.com>
6850 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6851 to avoid shadowing arguments.
6853 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6855 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6856 to variable names where DECL_NAME is different from
6857 DECL_ASSEMBLER_NAME.
6859 2001-03-23 Jim Wilson <wilson@redhat.com>
6861 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6862 (assemble_alias): Call make_decl_rtl.
6864 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6866 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6868 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6870 * extend.texi: Document the "java_interface" attribute.
6872 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6874 * mkconfig.sh: Use a subshell with redirected stdout,
6875 instead of closing stdout and confusing commands that run
6876 afterward. Throw away output of cmp.
6878 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6880 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6882 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6884 * i386.md (zero_extendsidi2_32): Break out from ...
6885 (zero_extendsidi2): ... here ; turn to expander.
6886 (zero_extendsidi2_rex64): New.
6887 (extendsidi2_32): Break out from ...
6888 (extendsidi2): ... here ; turn to expander.
6889 (extendsidi2_rex64): New.
6890 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6891 (trunc?f?f splitters): Add 64bit versions.
6893 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6895 * i386.md (pushsi, pushsi2_prologue): Disable.
6896 (pushsi2_rex64): New.
6897 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6898 (movqi_ext_1): Disable for 64bit.
6899 (movqi_ext_1_rex64): New.
6900 (pushdi2_rex64): New pattern, peep2s and splitter.
6901 (pushdi2_prologue_rex64): New pattern.
6902 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6904 (movdi splitters): Disable for 64bit.
6905 (movdi_1_rex64): New pattern, peep2s and splitters.
6906 (swapdi): New pattern.
6907 (pushsf): Disable for 64bit.
6908 (pushsf_rex64): New pattern and splitter.
6909 (pushdf_nointeger): Disable for 64bit.
6910 (pushdf_integer): Handle the 64bit case.
6911 (pushtf): Likewise; update splitters.
6913 2001-03-22 Richard Henderson <rth@redhat.com>
6915 * mkconfig.sh: Include insn-flags.h.
6916 * Makefile.in (CONFIG_H): Include insn-flags.h.
6917 (lots of objects): Remove insn-codes.h and insn-flags.h.
6919 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6920 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6921 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6922 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6923 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6924 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6925 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6926 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6927 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6928 v850/v850.c, vax/vax.c:
6929 Don't include insn-flags.h.
6931 * diagnostic.c, expr.h, reload.c, toplev.c:
6932 Don't include insn-codes.h.
6934 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6935 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6936 c4x/c4x.c, i960/i960.c, mips/mips.c:
6937 Don't include insn-codes.h or insn-flags.h.
6939 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6940 or insn-flags.h in the generated code.
6941 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6942 (main): Forward declare struct rtx_def.
6944 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6946 * invoke.texi (-ffast-math): Remove duplicate line about
6949 * gcc.texi: Remove more obsolete documentation of bugs and
6950 installation problems.
6952 2001-03-21 Kazu Hirata <kazu@hxi.com>
6954 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6957 2001-03-20 Jason Merrill <jason@redhat.com>
6959 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6961 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6962 * varasm.c (CHKR_PREFIX): Likewise.
6964 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6966 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6967 is part of a multi-SET insn.
6969 * cse.c (find_comparison_args): Remove previous change.
6970 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6973 * config/i386/i386.md (conditional_trap): Remove warning.
6975 * recog.c (push_operand): Fix error in last change that caused
6976 undefined symbol on many targets.
6978 * sdbout.c: #include ggc.h.
6979 (sdbout_init): Move to end of file.
6980 Call ggc_add_tree_root for anonymous_types.
6981 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6982 (sdbout_one_type): Use DECL_NAME for field name.
6983 * Makefile.in (sdbout.o): Show includes ggc.h.
6985 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6987 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6988 (override_options): Use properlimits for preferred_stack_boundary.
6989 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6991 (ext_register_operand): Accept DImode.
6992 (load_pic_register): Abort on 64bit.
6993 (gen_push): Use Pmode instead of SImode.
6994 (ix86_save_reg): Pic reg is never used on 64bit.
6995 (ix86_expand_prologue): Likewise.
6996 (ix86_emit_save_regs): Use Pmode instead of SImode.
6997 (legitimate_address_p): Check displacement for 64bit.
6998 (print_operand): Avoid outputting of (%rip) on 64bit.
6999 (print_operand_address): Output (%rip) where possible.
7000 (split_di): Abort on 64bit registers.
7001 (ix86_expand_branch): DImode comparison is simple for x86_64.
7002 (memory_address_length): Recognize memory addresses formed using
7004 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7006 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7008 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7010 * recog.c (push_operand): Recognize new format of push instructions.
7012 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7014 * i386.md (pushqi1): New.
7015 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7016 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7017 x86_64_immediate_operand, x86_64_immediate_operand,
7018 x86_64_zext_immediate_operand): Declare.
7019 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7020 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7021 x86_64_immediate_operand, x86_64_immediate_operand,
7022 x86_64_zext_immediate_operand): define.
7023 * i386.h (PREDICATE_CODES): Add new predicates.
7025 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7027 * i386.md (pophi1, popqi1, pushqi1): Remove.
7029 * expr.c (emit_single_push_insn): New function.
7030 (move_by_pieces): Accept NULL as destination for push instructions.
7031 (gen_push_operand): Kill.
7032 (emit_push_insn): Pass NULL when pushing; avoid updating of
7033 stack_pointer_delta.
7034 * expr.h (gen_push_operand): Kill.
7036 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7038 * rtl.texi (COMPARE): Clarify documentation and reference section
7041 2001-03-20 Stan Shebs <shebs@apple.com>
7043 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7044 (get_object_reference): Ditto.
7045 (error_with_ivar): Use error_with_file_and_line.
7046 (warn_with_method): Use warning_with_file_and_line.
7048 2001-03-20 Tom Tromey <tromey@redhat.com>
7050 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7052 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7054 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7055 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7057 2001-03-20 DJ Delorie <dj@redhat.com>
7059 * Makefile.in (install-libgcc): Pass complete list of variables.
7060 (install-multilib): Ditto.
7062 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7064 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7065 drectve_section, switch_to_section.
7067 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7068 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7069 i386_pe_mark_dllimport.
7071 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7073 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7074 functions i386_pe_*.
7076 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7077 i386_pe_* functions with char * arguments.
7079 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7081 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7083 (movsi_ie): Introduce fpul store.
7085 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7087 * Makefile.in (OBJS): Remove hashtab.o.
7089 2001-03-19 Stan Shebs <shebs@apple.com>
7091 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7092 * c-lang.c (maybe_objc_method_name): Ditto.
7093 * c-tree.h (maybe_objc_method_name): Remove decl.
7095 2001-03-19 Tom Tromey <tromey@redhat.com>
7097 * gcc.c (init_gcc_specs): Fix comment.
7099 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7101 Compute DECL_ASSEMBLER_NAME lazily.
7102 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7103 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7104 (SET_DECL_ASSEMBLER_NAME): Likewise.
7105 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7106 (set_decl_assembler_name): Declare.
7107 (lang_set_decl_assembler_name): Likewise.
7108 * tree.c (lang_set_decl_assembler_name): New variab.e
7109 (set_decl_assembler_name): New function.
7110 (init_obstacks): Set lang_set_decl_assembler_name.
7111 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7112 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7113 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7114 where it's not necessary.
7115 (builtin_function): Likewise.
7116 (finish_decl): Likewise.
7117 * dbxout.c (dbxout_type_methods): Likewise.
7118 * ggc-common.c (ggc_mark_trees): Likewise.
7119 * profile.c (output_func_start_profiler): Likewise.
7120 * varasm.c (make_decl_rtl): Likewise.
7122 * cse.c (find_comparison_args): Update documentation. Fix
7123 mishandling of COMPARE operations.
7125 * tree.def (ABS_EXPR): Add documentation.
7126 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7128 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7130 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7132 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7134 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7135 Remove ia32 linux PIC kludge and move it...
7136 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7138 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7140 * i386.md (absdf2 expander): Fix 64bit case.
7142 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7144 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7146 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7148 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7150 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7152 * README.X11: Remove obsolete file.
7154 2001-03-18 Anthony Green <green@redhat.com>
7156 * config/pj/pj.h: Remove some trailing commas.
7157 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7159 2001-03-18 Richard Henderson <rth@redhat.com>
7161 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7162 * calls.c: ... here.
7163 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7164 defaults for them here.
7166 2001-03-17 Anthony Green <green@redhat.com>
7168 * config/pj/lib1funcs.S: Fix broken comment.
7169 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7172 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7174 * gcc.texi: Remove obsolete information relating to build and
7175 installation problems with enquire or the Pyramid C compiler.
7177 2001-03-17 Richard Henderson <rth@redhat.com>
7179 * dwarf2out.c (queue_reg_save): New.
7180 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7181 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7183 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7184 (cfa, cfa_store, cfa_temp): Make static.
7185 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7187 2001-03-17 Richard Henderson <rth@redhat.com>
7189 * integrate.h (struct inline_remap): Add local_return_label.
7190 * integrate.c (expand_inline_function): Initialize it and emit
7191 it after copy_insn_notes.
7192 (copy_insn_list): Don't store local_return_label here.
7193 (copy_insn_notes): New function split out from copy_insn_list.
7195 2001-03-17 Richard Henderson <rth@redhat.com>
7197 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7198 is generating .debug_line.
7199 (dwarf2out_init): Add main_input_filename to the file table first.
7200 * configure.in (as_dwarf2_debug_line): Test with file number 1
7201 instead of file number 0.
7203 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7205 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7206 (gen_rtx_combine): Deleted; all references changed as appropriate.
7207 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7209 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7211 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7213 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7216 2001-03-16 Jim Wilson <wilson@redhat.com>
7218 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7219 then set it to LOC_REG (79) instead of aborting.
7221 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7223 * gccbug.in: Remove high priority.
7225 2001-03-16 Richard Henerson <rth@redhat.com>
7227 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7228 output with a space instead of deleting it.
7229 * configure: Regenerate.
7231 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7233 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7234 handles the gory details of converting an object file into
7235 something that's safe to grep.
7236 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7237 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7238 newlines at either end of the string we're looking for.
7239 Make 'checking ...' message less stilted.
7240 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7241 ARM in-memory layout and its hypothetical converse. Don't
7242 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7243 HOST_WORDS_BIG_ENDIAN.
7245 * configure.in: Adjust for renamed macro. Move
7246 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7247 * configure, config.in: Regenerate.
7249 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7251 * fixinc/Makefile.in: Set SHELL.
7253 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7255 * fixinc/fixincl.c (fix_with_system): Quote file names before
7256 passing them to shell.
7258 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7260 * Makefile.in: Use fix-header$(build_exeext) instead
7263 2001-03-16 Richard Henderson <rth@redhat.com>
7265 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7266 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7267 (size_of_line_prolog): Remove.
7268 (output_line_info): Compute prologue size via label difference.
7269 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7271 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7272 assembler error when redefining file numbers.
7273 * config.in, configure: Rebuild.
7275 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7276 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7277 (dw2_asm_output_delta_uleb128): Likewise.
7278 (dw2_asm_output_delta_sleb128): Similarly.
7279 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7281 2001-03-16 Michael Meissner <meissner@redhat.com>
7283 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7285 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7287 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7289 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7290 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7291 being unsigned in ISO C and signed in traditional.
7292 (expand_prologue): Ditto.
7293 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7295 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7297 (divsi3,divdi3): Ditto.
7298 (modsi3,moddi3): Ditto.
7299 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7300 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7301 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7304 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7306 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7307 SSE based conditional moves on LTGT/UNEQ conditions;
7308 Canonicalize EQ to NE.
7309 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7310 (sse_mov?fcc_ne): New.
7312 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7314 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7316 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7317 register may be dead.
7319 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7321 * Makefile.in (hash.o): Depend on CONFIG_H.
7323 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7325 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7327 2001-03-15 Richard Henderson <rth@redhat.com>
7329 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7330 (ASM_OUTPUT_DWARF_PCREL): New.
7331 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7333 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7335 * cppfiles.c (stack_include_file): Use MAX of sysp.
7337 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7339 * config.gcc (ia64*-*-hpux*): New case.
7340 * config/ia64/hpux.h: New file for HP-UX support.
7341 * config/ia64/t-hpux: New file for HP-UX support.
7343 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7345 * fixinc/inclhack.def (irix_stdio_va_list): New.
7346 * fixinc/fixincl.x: Rebuilt.
7348 2001-03-15 Richard Henderson <rth@redhat.com>
7350 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7351 if provided by the target.
7352 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7353 (dw2_asm_output_addr): New.
7354 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7355 * dwarf2out.c (output_cfi): Use it for program addresses.
7356 (output_call_frame_info, output_die): Likewise.
7357 (output_aranges, output_line_info): Likewise.
7359 2001-03-15 Bruce Korb <bkorb@gnu.org>
7361 * gcc.c(main): make more rigorous
7362 * collect2.c(main): guard against ignoring SIGCHLD
7363 * protoize.c(main): ditto
7364 * gcc/fixinc/fixincl.c(initialize): ditto
7366 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7368 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7369 (sdbout_parms): Likewise.
7371 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7373 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7374 "widen" a destination that is already wider than a word. Also do
7375 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7377 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7379 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7381 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7383 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7385 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7387 * i960.h (i960_maxbitalignment,
7388 i960_last_maxbitalignment): Declare.
7389 * i960.c (i960_maxbitalignment,
7390 i960_last_maxbitalignment): Make global.
7391 (process_pragma): Delete.
7392 (i960_pr_align, i960_pr_noalign): Move from here ...
7393 * i960-c.c: ... to this new file.
7394 * t-960bare (i960-c.o): New rule.
7395 * t-vxworks960 (i960-c.o): Likewise.
7396 * config.gcc (i960-*-*): Define c_target_objs and
7399 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7401 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7402 without adding in rtx code and mode.
7404 * alias.c (init_alias_analysis): Don't use any rtx whose value
7405 varies as a known value.
7406 Delete a superfluous test.
7408 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7410 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7411 scheduling a stop bit.
7412 (ia64_emit_nops): Correctly handle ASMs.
7414 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7416 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7418 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7420 * cpp.texi: Update documentation for -include and -imacros.
7421 * cppfiles.c (struct include_file): Remove "defined" memeber.
7422 (find_or_create_entry): Make a copy of the file name, and
7424 (open_file): Update to ensure we use the simplified filename.
7425 (stack_include_file): Don't set search_from.
7426 (cpp_included): Don't simplify the path name here.
7427 (find_include_file): New prototype. Call search_from to
7428 get the start of the "" include chain. Don't simplify the
7430 (_cpp_execute_include): New prototype. Move diagnostics to
7431 do_include_common. Update.
7432 (_cpp_pop_file_buffer): Don't set defined.
7433 (search_from): New prototype. Use the preprocessor's cwd
7434 for files included from the command line.
7435 (read_name_map): Don't simplify the pathname here.
7436 * cpphash.h (enum include_type): New.
7437 (struct buffer): Delete search from. New search_cached.
7438 (_cpp_execute_include): Update prototype.
7439 * cppinit.c (do_includes): Use _cpp_execute_include.
7440 * cpplib.c (do_include_common): New function.
7441 (do_include, do_include_next, do_import): Use it.
7443 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7445 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7446 contents of the RTL, to determine the name of the object.
7448 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7450 * tree.h (DECL_RTL): Allocate RTL lazily.
7451 (SET_DECL_RTL): New macro.
7452 (DECL_RTL_SET_P): Likewise.
7453 (COPY_DECL_RTL): Likewise.
7454 (DECL_RTL_IF_SET): Likewise.
7455 * varasm.c (make_decl_rtl): Add assertions about the kind of
7456 declaration we are processing.
7457 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7458 (start_decl): Likewise.
7459 (finish_decl): Likewise.
7460 * c-semantics.c (emit_local_var): Likewise.
7461 * calls.c (expand_call): Likewise.
7462 * dbxout.c (dbxout_symbol): Likewise.
7463 * emit-rtl.c (unshare_all_rtl): Likewise.
7464 (unshare_all_decls): Likewise.
7465 (reset_used_decls): Likewise.
7466 * expr.c (store_constructor): Likewise.
7467 (safe_from_p): Likewise.
7468 (expand_expr): Likewise.
7469 * function.c (put_var_into_stack): Likewise.
7470 (instantiate_decls_1): Likewise.
7471 (assign_parms): Likewise.
7472 (expand_function_start): Likewise.
7473 (expand_function_end): Likewise.
7474 * ggc-common.c (gcc_mark_trees): Likewise.
7475 * integrate.c (function_cannot_inline_p): Likewise.
7476 (copy_decl_for_inlining): Likewise.
7477 (expand_inline_function): Likewise.
7478 (integrate_parm_decls): Likewise.
7479 (integrate_decl_tree): Likewise.
7480 * print-tree.c (print_node): Likewise.
7481 * reg-stack.c (stack_result): Likewise.
7482 * stmt.c (label_rtx): Likewise.
7483 (expand_return): Likewise.
7484 (expand_decl): Likewise.
7485 (expand_decl_cleanup): Likewise.
7486 (expand_anon_union_decl): Likewise.
7487 * toplev.c (check_global_declarations): Likewise.
7488 (rest_of_decl_compilation): Likewise.
7489 * tree.c (simple_cst_equal): Likewise.
7490 * objc/objc-act.c (generate_static_references): Likewise.
7492 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7494 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7495 gcc_AC_C_FLOAT_FORMAT): New macros.
7496 * configure.in: Add AC_PROG_CPP after CC tests;
7497 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7498 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7499 * configure, config.in: Regenerate.
7501 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7502 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7503 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7504 config/i370/xm-linux.h, config/i370/xm-oe.h,
7505 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7506 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7507 config/pa/xm-linux.h, config/pa/xm-pa.h,
7508 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7509 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7510 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7511 config/we32k/xm-we32k.h: Delete.
7513 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7514 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7515 config/vax/xm-vms.h: Don't define any of:
7516 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7518 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7520 * config.gcc: Remove references to deleted files.
7521 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7522 FATAL_EXIT_CODE, which is the same between oe and mvs).
7524 2001-03-14 DJ Delorie <dj@redhat.com>
7525 Vladimir Makarov <vmakarov@redhat.com>
7527 * config/i960/i960.c (i960_function_prologue): Compute size of
7528 frame according to number of registers actually saved there.
7530 2001-03-14 Richard Henderson <rth@redhat.com>
7532 * expr.c (emit_move_insn_1): Fix else if around #endif.
7534 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7537 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7540 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7542 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7543 (override_options): Parse cmodel string.
7544 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7545 * i386.h (TARGET_OPTIONS): Add "cmodel".
7546 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7548 (ix86_cmodel_string, ix86_cmodel): Declare.
7550 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7553 * i386.h (GENERAL_REG_P): Add missing REG_P.
7555 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7557 * configure.in: Use $gcc_cv_as instead of $as.
7558 * configure: Regenerated.
7560 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7562 * cppfiles.c (stack_include_file): Only increase the include
7563 count if we actually process the file properly, as opposed
7564 to treating it as length zero. Only call read_include_file
7565 if not DO_NOT_REREAD. Handle the -H include file output
7567 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7568 (cpp_included, find_include_file): Simplify pathnames after
7569 remapping them. If remapping, don't use the remapped file
7570 name's buffer as our scratch buffer.
7571 (cpp_pop_file_buffer): Replace the multiple include macro
7572 only if it isn't yet set.
7573 (read_name_map): Simplify remapped names when reading in.
7574 (remap_filename): Move code to code path that uses it.
7575 (_cpp_simplify_pathname): Return the input pointer.
7576 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7578 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7580 * expr.c (expand_expr): Revove bogus conditional.
7582 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7584 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7586 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7588 * reg-stack.c (stack_result): Unconditionally use
7589 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7591 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7593 * expr.c (emit_move_insn_1): Split push of complex value when
7594 no suitable push instruction exist.
7596 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7597 instead of QI_REG_P.
7599 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7601 * alias.c (handled_component_p, can_address_p): New functions.
7602 (get_alias_set): Use them.
7604 2001-03-13 Jim Wilson <wilson@redhat.com>
7606 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7607 from 80 in try_locals code.
7608 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7610 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7612 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7613 gcc_AC_C_LONG_LONG): New.
7614 * configure.in: Use them. Probe the size of short, int, long,
7615 and long long/__int64 if we have them. Move all the AC_C_*
7616 checks together, except gcc_AC_C_CHAR_BIT which has to go
7617 after AC_CHECK_HEADERS(limits.h).
7618 Take hwint.h out of host_xm_file and build_xm_file.
7620 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7621 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7622 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7623 Move the HOST_WIDEST_INT setup logic here from system.h.
7624 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7626 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7627 is now handled by hwint.h.
7629 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7630 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7631 config/ia64/xm-ia64.h: Don't define any of:
7632 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7633 HOST_BITS_PER_LONGLONG.
7635 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7636 config/h8300/xm-h8300.h, config/mips/iris6.h,
7637 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7638 config/sparc/xm-sp64.h: Delete.
7639 * config.gcc: Remove references to deleted files.
7641 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7642 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7643 * config/i370/xm-linux.h: Clarify floating-point situation in
7646 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7648 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7649 (find_include_file): Decide here which part of the include
7650 chain to start the search. Complain about an empty include
7651 chain in all cases apart from an abolsute file name.
7652 (_cpp_execute_include): Don't choose the search chain here.
7653 Don't call handle_missing_include in the case of an empty
7655 (_cpp_compare_file_date): Don't choose the search chain here.
7656 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7657 here from _cpp_execute_include. Behave like #include if
7658 we're in the main file.
7660 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7662 * system.h (malloc, realloc, calloc, strdup): Only poison these
7663 tokens when IN_GCC is defined.
7665 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7667 * i386.md (abs?f expander): Support SSE case.
7668 (abd?f_if): Add new "USE"; add splitters.
7670 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7672 * cpp.texi (poison): Explain the macro expansion exception.
7674 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7676 * expr.c (store_expr): Add dont_store_target. If temp is already in
7677 target before copying to reg, don't store it into target again.
7679 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7681 * cppinternals.texi: Update for file handling.
7683 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7685 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7686 2001-02-24 which broke building the Java library.
7687 * function.c (identify_blocks): Likewise.
7688 (all_blocks): Likewise.
7689 * integrate.c (integrate_decl_tree): Likewise.
7690 * print-tree.c (print_node): Likewise.
7691 * tree.h (BLOCK_NUMBER): Likewise.
7692 (struct tree_block): Likewise.
7694 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7696 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7697 __WCHAR_TYPE__ definition.
7698 (WCHAR_TYPE_SIZE): #undef before #define.
7700 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7702 * cppfiles.c: Update comments.
7703 (destroy_include_file_node): Rename destroy_node.
7704 (find_or_create_entry): New function.
7705 (open_file, _cpp_fake_include): Use it.
7706 (handle_missing_header): New function, broken out of
7707 _cpp_execute include. Don't segfault if there is no
7708 system or quoted path.
7709 (_cpp_execute_include): Use handle_missing_header.
7711 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7713 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7714 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7716 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7718 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7719 unless anti_dependence says they are.
7720 * alias.c (objects_must_conflict): If neither has a type specified,
7723 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7724 David Billinghurst <David.Billinghurst@riotinto.com>
7726 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7728 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7730 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7731 (*_one_bit): Remove type on the match_operand in attributes.
7733 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7735 * i386.c: Commit forgotten hunk in previous patch.
7736 (regclass_map): Add extended registers.
7737 (dbx_register_map): Add missing frame register.
7739 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7741 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7743 * i386.md (x86_sahf_1): Disable for 64bit.
7744 (popsi*, pophi*): Likewise.
7745 (pushqi, pushhi): Likewise.
7746 (movdi, pushdi): Likewise.
7747 (zero extend DImode splitter): Likewise.
7748 (adddi, minusdi splitter): Likewise.
7749 (umulsidi): Likewise.
7751 (mulsidi): Disable for 64bit
7752 (lshift:DI/ashift:DI): Disable for 64bit.
7753 (loop patterns): Likewise.
7754 (call_pop, call_value_pop expanders and patterns): Likewise.
7755 (prologue_get_pc): Likewise.
7757 (fcmovDI pattern and splitter): Likewise.
7758 (movdfcc_1_rex64): New.
7760 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7762 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7763 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7764 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7765 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7766 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7767 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7768 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7769 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7770 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7771 (REGPARM_MAX): Set to 6 for x86_64.
7772 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7773 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7776 * (patterns that does use upper halves): Update constraints
7777 'q' to 'Q' and 'r' to 'R'.
7778 (cmpqi_ext_1): Disable for 64bit.
7779 (cmpqi_ext_3_insn): Likewise.
7780 (movqi_extzv_1): Likewsie.
7781 (addqi_ext_1): Liekwsie
7782 (testqi_ext_1): Liekwsie
7783 (andqi_ext_1): Liekwsie
7784 (xorqi_ext_1): Liekwsie
7785 (cmpqi_ext_1_rex64): New.
7786 (cmpqi_ext_3_insn_rex64): Likewise.
7787 (movqi_extzv_1_rex64): Likewsie.
7788 (addqi_ext_1_rex64): Liekwsie
7789 (testqi_ext_1_rex64): Liekwsie
7790 (andqi_ext_1_rex64): Liekwsie
7791 (xorqi_ext_1_rex64): Liekwsie
7793 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7795 * configure.in: Move check for unsigned enumerated bitfields
7796 to macro in aclocal.m4. Disable it for now.
7797 * configure, config.in: Regenerate.
7798 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7799 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7800 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7801 kind above its first use.
7803 * config/xm-interix.h, config/alpha/xm-alpha.h,
7804 config/i370/xm-linux.h, config/i386/xm-beos.h,
7805 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7806 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7807 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7808 Don't define ONLY_INT_FIELDS under any circumstances.
7810 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7812 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7813 config/sparc/xm-sysv4.h: Delete - now identical with some
7815 * config.gcc (hppa targets): Replace xm-pahpux.h and
7816 xm-papro.h with implicit xm-pa.h.
7817 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7820 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7822 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7823 before reload_cse_noop_set_p.
7825 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7827 * config.gcc: Where xm-host.h used to include another
7828 xm-host.h, list the nested header directly in xm_file. Remove
7829 references to deleted files. Can now use sparc/xm-sp64.h for
7832 * config/xm-linux.h, config/arm/xm-linux.h,
7833 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7834 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7835 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7836 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7837 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7840 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7841 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7842 bother to wrap #undef in #ifdef.
7843 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7844 Don't include xm-linux.h.
7845 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7847 * configure.in: Wrap regexps using [] in changequote block.
7848 Use expr : not echo | grep. Simplify regexps.
7849 * configure: Regenerate.
7851 56 xm-files remain, 22 xm-arch.
7853 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7855 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7856 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7857 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7858 (copy_object): Fix format specifier vs argument mismatch.
7860 * mips-tdump.c: Make local functions static.
7861 (rindex): Don't #undef.
7862 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7863 (fatal, fancy_abort): Delete.
7864 (read_seek): Avoid signed/unsigned compare.
7866 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7868 * combine.c (try_combine): Fix error in change to try original
7870 (gen_rtx_combine): Do same as gen_rtx for now.
7872 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7874 * configure.in: AC_SUBST xm_defines.
7875 * configure: Regenerate.
7876 * Makefile.in: Set DEFINES=$(xm_defines) when building
7879 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7881 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7882 (cpp_included, find_include_file): Update.
7883 (_cpp_compare_file_date): Make else unconditional.
7885 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7887 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7889 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7891 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7892 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7894 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7896 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7897 if it's a record type.
7899 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7901 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7902 mingw includes slightly.
7904 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7906 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7907 #undef token before poisoning it.
7909 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7911 * alpha.c (check_float_value): Use memcpy, not bcopy.
7913 * m32r.c (m32r_sched_reorder): Likewise.
7915 * vax.c (check_float_value): Likewise.
7917 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7919 * toplev.c (file_name_nondirectory): Remove.
7920 * toplev.h: Similarly.
7921 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7922 of file_name_nondirectory.
7924 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7926 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7927 * mips-tfile.c: Don't #undef rindex; not used.
7929 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7931 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7932 (dbx64_register_map): Declare.
7933 (RETURN_ADDR_RTX): Fix for 64bit.
7934 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7935 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7936 * i386.c (dbx64_register_map): New global array.
7937 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7938 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7941 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7943 * cppfiles.c (search_from): Use lbasename.
7944 * mkdeps.c (deps_add_default_target): Use lbasename.
7946 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7948 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7949 xcalloc in lieu of malloc, realloc & calloc.
7951 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7953 * gengenrtl.c (xmalloc): Likewise.
7955 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7956 really_call_* memory allocation routines.
7958 * stmt.c (check_for_full_enumeration_handling): Use
7959 really_call_calloc, not calloc.
7961 * system.h (really_call_malloc, really_call_calloc,
7962 really_call_realloc): Define.
7963 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7965 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7967 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7969 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7971 * configure: Rebuilt.
7972 * configure.in: Only use `lang_requires' for languages athat are
7975 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7977 * invoke.texi: Fix typo.
7978 * gcc.1: Regenerate.
7980 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7982 * configure.in: Prune nonexistent files from build_xm_file,
7983 xm_file, and host_xm_file lists. Warn unless they're
7985 Don't generate *config.h here.
7986 AC_SUBST all variables needed to generate *config.h.
7987 * configure: Regenerate.
7988 * mkconfig.sh: New helper script, from code removed from
7990 * Makefile.in: Zap all MALLOC variables - no longer used
7991 anywhere, and malloc.c doesn't exist.
7992 Substitute in variables needed to generate *config.h.
7993 Stop lying about the dependencies contained in CONFIG_H and
7995 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7996 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7997 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7998 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7999 $(TM_P_H), etc. as appropriate.
8001 * config.gcc: Zap references to deleted files.
8002 * ggc-none.c: Don't include rtl.h or tm_p.h.
8004 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8005 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8006 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8007 config/i386/xm-linux.h, config/i386/xm-linux.h,
8008 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8009 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8010 Don't include i386/xm-i386.h.
8012 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8013 config/i386/xm-i386.h, config/i860/xm-i860.h,
8014 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8015 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8016 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8017 Delete (empty except comments, #includes of other deleted
8018 files, and macros used nowhere).
8020 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8022 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8023 independent on TARGET_FLAGS.
8025 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8027 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8029 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8031 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8033 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8034 LAST_REX_SSE_REG): define.
8035 (enum reg_class): Add 'LEGACY_REGS'
8036 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8037 (SSE_REGNO_P): Recognize extended registers.
8038 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8039 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8040 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8041 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8042 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8043 REG_OK_FOR_STRREG_P): Remove.
8044 (HI_REGISTER_NAMES): Add extended registers.
8045 (ADDITIONAL_REGISTER_NAMES): Likewise.
8046 (QI_REGISTER_NAMES): Add 8bit extended registers.
8047 (DEBUG_REG): Support extended registers.
8048 * i386.c (regclass_map): Add extended registers.
8049 (dbx_register-map): Likewise.
8050 (svr4_dbx_register_map): Likewise.
8051 (print_reg): Support extended registers.
8052 (print_operand): Support 64bit operands.
8054 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8056 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8057 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8058 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8059 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8060 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8061 STACK_BOUNDARY): Set properly for 64bits.
8062 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8063 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8064 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8065 (MOVE_MAX): Set to 16.
8066 (MOVE_MAX_PIECES): 8 for 64bit.
8067 (Pmode): Set to SImode.
8069 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8071 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8073 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8075 * i386.h (mask_64bit): New constant.
8076 (target_64bit): New macro.
8077 (target_options): Add '64'/'32'
8078 (target_default): Define.
8079 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8080 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8081 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8083 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8085 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8087 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8089 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8090 LO_SUM unless for_alias is set.
8092 2001-03-08 Stan Shebs <shebs@apple.com>
8094 * objc/objc-act.c: Fix old typos in comments, add comments for
8096 (hash_init): Fix file name in error message.
8097 (hash_enter): Ditto.
8098 (hash_add_attr): Ditto.
8099 (continue_class): Ditto.
8101 2001-03-08 Bruce Korb <bkorb@gnu.org>
8103 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8104 wait4() can receive the signal.
8106 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8108 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8110 * fixinc/fixincl.x: Regenerate.
8112 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8114 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8116 * fixinc/fixincl.x: Regenerate.
8118 2001-03-08 Richard Henderson <rth@redhat.com>
8120 * configure.in (HAVE_AS_LEB128): New assembler check.
8121 * configure, config.in: Rebuilt.
8123 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8125 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8128 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8130 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8131 references to the MAXPATHLEN macro.
8133 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8134 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8137 * config/i386/xm-gnu.h, config/xm-gnu.h,
8138 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8139 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8140 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8141 and/or unused files.
8143 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8144 doing so in various xm-*.h files.
8146 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8148 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8150 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8152 * configure.in (enable_shared): Support per-package shared-library
8154 * configure: Rebuilt.
8156 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8158 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8159 for crnot. Set operands[5] in splitter.
8161 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8163 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8164 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8165 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8166 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8167 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8168 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8169 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8172 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8173 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8174 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8175 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8176 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8177 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8178 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8179 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8180 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8181 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8182 Delete unused and/or empty files.
8184 * config.gcc: Define USG in xm_defines as appropriate. Define
8185 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8186 macro. Remove deleted xm-* files from $xm_files variable.
8188 2001-03-07 Tom Tromey <tromey@redhat.com>
8190 * configure: Rebuilt.
8191 * configure.in: Allow config-lang.in to set `lang_requires' to list
8192 of other required languages.
8194 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8196 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8198 (output_prologue): Use xmalloc not oballoc.
8199 (output_epilog): Free a29k_first_epilogue_insn when finished.
8200 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8202 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8204 * builtins.c (expand_builtin_mathfn): Check
8205 flag_unsafe_math_optimizations, not flag_fast_math.
8206 (expand_builtin): Likewise
8207 * combine.c (combine_simplify_rtx): Likewise.
8208 (simplify_if_then_else): Likewise.
8209 * cse.c (fold_rtx): Likewise.
8210 * flags.h: Remove flag_fast_math. Add
8211 flag_unsafe_math_optimizations and flag_trapping_math.
8212 * fold-const.c (negate_expr): Check
8213 flag_unsafe_math_optimizations, not flag_fast_math.
8214 (invert_truthvalue): Likewise.
8215 (fold): Likewise. Before associating operands, check that
8216 code == MULT_EXPR, not code != MULT_EXPR.
8217 * ifcvt.c (noce_try_minmax): Check
8218 flag_unsafe_math_optimizations, not flag_fast_math.
8219 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8220 * invoke.texi: Document -funsafe-math-optimizations and
8221 -fno-trapping-math. Change documentation for -ffast-math.
8222 * jump.c (reversed_comparison_code_parts): Likewise.
8223 (rtx_equal_for_thread_p): Likewise.
8224 * optabs.c (emit_conditional_move): Likewise.
8225 * simplify-rtx.c (simplify_binary_operation): Likewise.
8226 (simplify_relational_operation): Likewise.
8227 (simplify_ternary_operation): Likewise.
8228 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8229 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8230 Add trapping-math and unsafe-math-optimizations entries to f_options.
8231 (set_fast_math_flags): New, sets flags for -ffast-math.
8232 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8233 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8234 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8236 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8237 (alpha_emit_conditional_move): Initialize local_fast_math to
8238 flag_unsafe_math_optimizations, not flat_fast_math.
8239 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8240 instead of setting flag_fast_math to 1.
8241 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8243 * config/i386/i386.c (override_options): Likewise
8244 * config/i386/i386.md: Likewise.
8245 * config/m68k/m68k.md: Likewise.
8246 * config/mips/mips.md: Likewise.
8247 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8248 (rs6000_generate_compare): Likewise.
8250 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8252 * Makefile.in: Set RANLIB to @RANLIB@.
8255 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8257 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8258 * fixinc/fixincl.x: Regenerated.
8260 2001-03-07 Richard Henderson <rth@redhat.com>
8262 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8264 2001-03-07 Richard Henderson <rth@redhat.com>
8266 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8267 of block notes and exception handling notes.
8269 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8270 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8271 (compile_file): ... here.
8273 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8275 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8277 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8278 config.h now. Include libiberty.h to handle alloca.
8280 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8282 * c-parse.in (yylexname): New function, split out of _yylex.
8283 (objc_rid_sans_at): New table.
8284 (init_reswords): Initialize it.
8285 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8286 retrieving the next token and checking it for significance as
8287 an ObjC keyword or string constant.
8289 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8290 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8292 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8295 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8297 * config/m68k/m68k.c (const_uint32_operand): Accept any
8298 const_int on a 32-bit host.
8300 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8302 * objc/objc-act.c (init_objc): Set save_lang_status,
8303 restore_lang_status, and mark_lang_status.
8305 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8307 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8309 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8311 * cppinternals.texi: Update.
8313 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8315 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8316 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8317 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8318 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8319 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8320 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8321 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8322 config/i386/xm-i386.h, config/i860/xm-i860.h,
8323 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8324 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8325 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8326 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8327 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8328 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8329 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8330 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8331 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8332 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8333 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8334 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8335 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8336 match the defaults provided in hwint.h.
8338 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8339 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8341 * config.gcc (xm_file): Don't set to files which are deleted.
8343 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8344 guard this file against these macros being undefined.
8346 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8348 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8349 and DECL_DEFER_OUTPUT on the decl we create, before calling
8350 rest_of_decl_compilation.
8352 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8354 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8356 * configure, config.in: Regenerate.
8357 * config.gcc: Remove references to deleted files.
8359 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8360 genrecog.c, rtl.c: Do not use alloca anywhere.
8362 * Makefile.in, build-make, system.h, config/x-interix,
8363 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8364 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8365 config/arc/xm-arc.h, config/arm/xm-arm.h,
8366 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8367 config/h8300/xm-h8300.h, config/i370/x-oe,
8368 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8369 config/i386/x-ncr3000, config/i386/x-sco5,
8370 config/i386/xm-dgux.h, config/i860/x-sysv4,
8371 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8372 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8373 config/m68k/x-hp320g, config/m69k/x-mot3300,
8374 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8375 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8376 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8377 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8378 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8379 config/mips/x-iris, config/mips/x-iris3,
8380 config/mips/x-sni-svr4, config/mips/x-sysv,
8381 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8382 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8383 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8384 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8385 config/pa/xm-papro.h, config/romp/xm-romp.h,
8386 config/rs6000/x-aix31, config/rs6000/x-aix41,
8387 config/rs6000/x-beos, config/rs6000/x-lynx,
8388 config/rs6000/x-mach, config/rs6000/x-rs6000,
8389 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8390 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8391 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8392 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8393 config/vax/xm-vms.h: Eradicate all references to alloca and
8396 * config/xm-alloca.h, config/clipper/x-clix,
8397 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8398 config/i860/x-sysv3, config/m88k/x-sysv3,
8399 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8400 (contained only alloca related hacks).
8402 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8405 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8407 * invoke.texi: Document __FAST_MATH__.
8409 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8411 * crtstuff.c: Restore include of auto-host.h.
8413 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8415 Put main() in a separate file, so that the language
8416 front-end can use a different main().
8419 * toplev.c: (main): Rename as toplev_main.
8420 * toplev.h: Declare toplev_main.
8421 * Makefile.in (OBJS): add toplev.o.
8422 (BACKEND): remove toplev.o, add main.o.
8424 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8426 * cppfiles.c (search_from): Special case the empty string.
8428 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8430 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8431 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8432 strlen or strcpy; we already know the length.
8433 (_cpp_compare_file_date): Similarly.
8434 * cpphash.h (struct cpp_reader): Delete done_initialising.
8435 (CPP_PREV_BUFFER): Delete.
8436 * cppinit.c (cpp_start_read): Don't set done_initialising.
8437 * cpplex.c (parse_string): Guarantee null-termination.
8438 (_cpp_equiv_toklists): Remove.
8439 * cpplib.c (glue_header_name): Null-terminate.
8440 (do_line): Don't leak memory.
8441 * cpplib.h (BT_WEAK): Delete.
8442 * cppmain.c (cb_ident): Strings are now null-terminated.
8444 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8446 * gcc.c (convert_filename): Append executable suffix
8447 if NO_AUTO_EXE_SUFFIX is not defined.
8448 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8449 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8451 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8453 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8454 * c-parse.gperf, c-gperf.h: Delete.
8455 (c-gperf.h was accidently re-added to the CVS repo in the rev
8456 1.16 commit by tromey)
8458 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8460 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8461 macro arguments when looking for the '('.
8462 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8463 2 when really parsing arguments; 1 when looking for '('.
8464 Always restore the lexer position.
8466 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8468 * longlong.h (umul_ppmm): Don't use a multiline string.
8470 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8472 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8473 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8474 t_bool in declaration because pcc can't combine volatile with typedef
8477 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8479 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8480 until when it is really needed.
8481 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8482 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8483 * i386.md (float?i?f splitter): Don't force source operand to memory
8485 (sse_movdfcc): Fix constraint.
8486 (sse_movdfcc splitter): Handle properly the second alternative.
8488 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8490 * cpplex.c (parse_string): Unconditionally pedwarn.
8492 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8495 * cppexp.c (parse_number): Update.
8496 * cpplex.c (parse_string): Pedwarn if multiline string does not
8497 result from a system header's macro.
8498 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8499 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8500 for function-like macros too.
8501 * c-lex.c (lex_number): Update.
8503 2001-03-03 Richard Henderson <rth@redhat.com>
8505 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8507 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8509 * combine.c (try_combine): If split with mode-changed scratch
8510 register didn't work, try the original mode.
8512 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8514 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8515 * config/c4x/c4x.h: Likewise.
8516 * stor-layout.c (compute_record_mode): Likewise.
8517 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8519 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8521 * configure.in: Kill tm.h. Include the files in the $tm_file
8522 list in all three of config.h, hconfig.h, tconfig.h, after the
8523 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8524 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8525 * configure: Regenerate.
8526 * Makefile.in (clean): Don't delete tm.h.
8528 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8529 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8530 those are not defined, set SEC and FEC to 0 and 1.
8531 * gcc.texi: Update to match.
8533 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8534 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8535 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8536 Include tconfig.h, not tm.h.
8538 * config/xm-lynx.h, config/xm-std32.h,
8539 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8540 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8541 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8542 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8543 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8544 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8545 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8546 config/i386/xm-i386.h, config/i860/xm-i860.h,
8547 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8548 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8549 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8550 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8551 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8552 config/pa/xm-linux.h, config/pa/xm-pa.h,
8553 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8554 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8555 config/pj/xm-pj.h, config/romp/xm-romp.h,
8556 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8557 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8558 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8559 config/v850/xm-v850.h, config/vax/xm-vax.h,
8560 config/we32k/xm-we32k.h:
8562 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8564 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8565 config/i370/xm-oe.h: Don't include tm.h. Don't define
8567 * config/vax/xm-vms.h: Don't include tm.h.
8569 * config/xm-lynx.h, config/avr/xm-avr.h,
8570 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8571 Delete; made empty by above changes.
8572 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8573 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8574 Don't include config/xm-lynx.h or tm.h.
8576 * config/xm-gnu.h: Don't include fcntl.h.
8577 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8579 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8581 2001-03-02 Richard Henderson <rth@redhat.com>
8583 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8584 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8586 2001-03-02 Richard Henderson <rth@redhat.com>
8588 * Makefile.in (OBJS): Add dwarf2asm.o.
8589 * dwarf2asm.c, dwarf2asm.h: New files.
8590 * dwarf2out.c (*): Use them.
8591 (size_of_uleb128, size_of_sleb128): Remove.
8592 (output_uleb128, output_sleb128): Remove.
8593 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8594 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8595 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8596 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8597 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8598 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8599 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8600 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8601 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8602 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8603 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8604 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8605 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8606 (dwarf2out_frame_debug): Remove unused variables.
8607 (output_loc_operands): Don't abort on 8 byte constants if
8608 host integers are wide enough.
8609 (output_symbolic_ref): Remove.
8610 (size_of_die): Don't assume 4 byte host integers.
8611 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8613 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8614 something stupid with HOST_WIDE_INT to long truncation.
8615 [CONST_DOUBLE]: Likewise.
8617 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8618 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8619 * config/arm/unknown-elf.h: Likewise.
8620 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8621 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8622 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8623 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8624 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8625 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8626 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8627 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8628 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8629 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8630 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8631 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8633 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8635 * cselib.c (hash_rtx): Cast enums to unsigned int.
8637 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8639 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8640 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8642 * c-format.c (C_STD_VER): Cast to int for comparisons.
8643 (check_function_format): Cast various enums to int for &.
8644 (maybe_read_dollar_number): Likewise.
8645 (check_format_info): Likewise.
8646 (check_format_info_main): Likewise.
8647 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8648 (safe_from_p): Likewise.
8649 * varasm.c (const_hash): Cast enum to int for %.
8650 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8651 pcc enum problems with < and ++ operators.
8652 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8653 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8654 (regclass_init): Change enum class to int to iterate over reg_classes.
8655 * genrecog.c (merge_trees): Cast enums for comparison.
8656 * rtl.h (GET_CODE): Cast to enum rtx_code.
8657 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8658 (GET_MODE): Cast to enum machine_mode.
8659 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8660 (GET_NOTE_INSN_NAME): Cast enum to int.
8661 * tree.h (TREE_CODE): Cast to enum tree_code.
8662 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8663 * timevar.c (timevar_print): Change loop variable id from enum to
8665 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8666 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8667 * toplev.c (compile_file): Cast enum DFI to int.
8668 (decode_d_option): Likewise.
8670 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8672 * cppinit.c (append_include_chain): Mark "after" include file name list
8673 as a system directory.
8674 * cpp.texi: Document new behavior.
8676 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8678 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8680 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8682 * cppfiles.c (struct include_file): Update.
8683 (stack_include_file): Use search_from.
8684 (cpp_included, find_include_file): Update.
8685 (cpp_execute_include): Update. ptr->name may not be
8686 null terminated. Use the new search_from member variable
8688 (_cpp_compare_file_date): Similarly.
8689 (search_from): New function, similiar to actual_directory.
8690 (actual_directory): Delete.
8691 (remap_filename): Update. loc->name may not be null terminated.
8692 (struct file_name_list): Rename search_path. Update.
8693 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8694 search_from and dir.
8695 (struct cpp_reader): Remove actual_dirs.
8696 * cppinit.c (struct cpp_pending): Update for renamed objects.
8697 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8698 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8699 * cpplib.h (struct cpp_options): Similarly.
8701 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8703 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8704 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8705 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8706 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8707 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8708 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8709 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8710 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8711 config/i370/xm-oe.h, config/i386/xm-aix.h,
8712 config/i386/xm-i386.h, config/i386/xm-osf.h,
8713 config/i860/xm-i860.h, config/i960/xm-i960.h,
8714 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8715 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8716 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8717 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8718 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8719 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8720 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8721 config/pj/xm-pj.h, config/romp/xm-romp.h,
8722 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8723 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8724 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8725 config/v850/xm-v850.h, config/vax/xm-vax.h,
8726 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8727 Do not define TRUE or FALSE.
8729 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8730 empty by above change.
8731 * config.gcc: Remove references to these files.
8733 * configure.in: Detect stdbool.h.
8734 * configure, config.in: Regenerate.
8735 * system.h: Include stddef.h here if available.
8736 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8737 Then set up a sensible boolean type at the very end.
8739 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8740 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8742 * hash.h: Delete 'boolean' typedef and related #undefs.
8744 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8745 all uses of 'boolean' with 'bool'.
8747 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8749 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8750 * cppexp.c (lex): Cast enums for comparison.
8751 * cppinit.c (parse_option): Cast enum for comparison.
8752 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8753 (cpp_output_token): Likewise.
8754 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8755 (cpp_avoid_paste): Cast enums for minus and comparison.
8757 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8759 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8760 field to all array elements.
8762 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8764 * cpphash.h (struct cpp_reader): Add print_version field.
8765 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8766 just set print_version and other flags as appropriate.
8767 (cpp_post_options): Print version here if print_version is set.
8769 * toplev.c (exit_after_options): New flag.
8770 (independent_decode_option): Don't exit here; just set
8772 (main): Exit after calling lang_hooks.post_options if
8773 exit_after_options is true.
8775 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8776 (merge_include_chains): Adjust comment to match code.
8778 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8780 * stringpool.c (set_identifier): New function.
8781 * tree.h: Prototype it.
8783 * c-parse.in: Kill D_YES. If compiled for objc, call
8784 save_and_forget_protocol_qualifiers from init_reswords.
8785 * objc/objc-act.c (remember_protocol_qualifiers,
8786 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8787 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8789 (save_and_forget_protocol_qualifiers): New function.
8790 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8792 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8794 * c-semantics.c (prune_unused_decls): Return error_mark_node
8795 instead of (tree) 1 to stop traversing the tree chain.
8797 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8799 Fix a problem introduced by Kenner's Feb 18 change.
8800 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8801 flag_cse_skip_blocks only temporarily, not for ever.
8803 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8805 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8806 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8808 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8809 before determining its register class.
8811 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8813 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8814 from reg 4 if current_function_calls_setjmp.
8815 (gen_nop_type): New function.
8816 (ia64_emit_nops): New function.
8817 (ia64_reorg): Call it.
8818 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8820 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8821 code not to try to optimize adds with anything but a REG destination.
8823 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8824 (INSN_PRIORITY_KNOWN): New accessor macro.
8825 * haifa-sched.c (priority): Use it instead of testing priority against
8828 2001-02-28 DJ Delorie <dj@redhat.com>
8830 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8831 since that doesn't work the way gcc wants on a generic m68k.
8833 2001-02-28 Richard Henderson <rth@redhat.com>
8835 * caller-save.c (save_call_clobbered_regs): Fix typo in
8836 comparison last change.
8838 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8840 * i386.c (pentium4_cost): New.
8841 (m_PENT4): New macro.
8842 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8843 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8844 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8845 x86_memory_mismatch_stall): Add Pentium4
8846 (x86_use_q_reg, x86_use_any_reg): Kill.
8847 (override_options): Add pentium4.
8848 (incdec_operand): Return 0 for pentium4.
8849 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8850 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8851 (TARGET_PENTIUM4): Define.
8852 (enum processor_type): Add PROCESSOR_PENTIUM4.
8853 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8854 * i386.md (attribute "cpu"): Add pentium4.
8855 * invoke.texi (march): Add pentium4.
8857 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8859 * i386.md (sse_mov?fcc*): New patterns and splitters.
8860 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8861 the SSE based conditional moves.
8863 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8865 * i386.md (attribute mode): Add "TI".
8866 (movsf_1): Add pxor support; remove constant propagation splitter.
8867 (movdf_integer): Likewise.
8868 (movdf_nointeger): Likewise.
8869 (movxf constant prop splitter): Handle all modes; update for SSE.
8870 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8871 * i386.c (standard_80387_constant_p): Rewrite.
8872 (standard_sse_constant_p): New.
8873 * i386-protos.h (standard_sse_constant_p): New.
8875 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8877 * i386.md (sse_setccsf, sse_setccdf): New.
8878 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8880 * i386.c (sse_comparison_operator): Accept the supported unordered
8881 comparses; be ready for fast_math.
8882 (print_operand): Support 'D'.
8884 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8886 * jump.c (reversed_comparison_code): Kill.
8888 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8890 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8893 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8895 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8896 add missing '%' in constraints.
8898 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8900 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8901 for HOST_BITS_PER_WIDE_INT == 32 too.
8903 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8905 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8907 (insert_save, insert_restore): New parameter save_mode.
8908 (init_caller_save): Update initialization of reg_save_code
8909 and reg_restore_code.
8910 (save_call_clobbered_regs): Compute save_modes and update calls to
8911 reg_save_code and reg_restore_code.
8912 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8913 of spill; update use of reg_restore_code.
8914 (insert_save): Likewise.
8915 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8916 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8917 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8919 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8921 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8922 noce_try_store_flag_inc, noce_try_store_flag_mask,
8923 noce_try_cmove_arith):
8924 Use reversed_comparison_code instead of reverse_comparison and
8925 can_reverse_comparison_p.
8927 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8929 * jump.c (reversed_comparison_code_parts): Allow reversal of
8930 unordered compares in -ffast-math mode; reverse ordered compares
8931 for FP even w/o -ffast-math.
8933 2001-02-27 Richard Henderson <rth@redhat.com>
8935 * print-rtl.c (print_rtx) [i]: Don't print field five on
8936 NOTEs other than NOTE_INSN_DELETED_LABEL.
8938 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8940 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8941 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8943 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8945 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8946 even if walk_subtrees is 0.
8947 * c-semantics.c (prune_unused_decls): Return a non-null value to
8948 stop traversing the tree chain.
8950 2001-02-27 DJ Delorie <dj@redhat.com>
8952 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8953 register, *then* define it as the new CFA.
8955 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8957 * pa.c (override_options): Promote -fpic to -fPIC.
8958 (legitimize_pic_address): Simplify due to removal of
8959 small PIC as a code generation option.
8960 (secondary_reload_class): Similarly.
8961 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8962 (PRINT_OPERAND_ADDRESS): Similarly.
8963 * pa.md (various patterns): Similarly.
8964 (small pic lo_sum pattern): Remove.
8966 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8969 * md.texi (min, max): Document
8971 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8973 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8974 TARGET_PARTIAL_REG_DEPENDENCY.
8975 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8977 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8979 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8981 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8983 * mips.c (mips_make_temp_file): Fix thinko in last change.
8985 2001-02-26 Jason Eckhardt <jle@redhat.com>
8987 * combine.c (known_cond): Do not reverse the condition when
8988 SMAX/UMAX is being considered and the condition is for equality
8991 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8993 2001-02-26 Philip Blundell <philb@gnu.org>
8995 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8997 * config/arm/linux-elf.h: Remove historical relics related to
8998 above configurations.
8999 * config/arm/linux-oldld.h: Delete.
9000 * config/arm/linux-elf26.h: Delete.
9002 2001-02-26 Jason Merrill <jason@redhat.com>
9004 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9006 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9007 recognize a tentative definition. Lose obsolete code.
9009 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9010 variables unless necessary, either.
9012 2001-02-25 Richard Henderson <rth@redhat.com>
9014 * ifcvt.c (struct noce_if_info): Add test_bb.
9015 (noce_get_alt_condition): New.
9016 (noce_try_minmax, noce_try_abs): New.
9017 (noce_operand_ok): New.
9018 (noce_process_if_block): Use them.
9019 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9021 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9023 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9026 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9028 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9029 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9031 (mips_asm_file_end): Free temp_filename here.
9033 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9035 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9036 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9038 * config/i386/i386.md (movstrsi): Handle FAIL case.
9040 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9042 * cppinit.c (builtin_array): Update.
9043 (init_builtins): Flag builtins to warn if redefined or
9044 undefined. Define __GXX_WEAK as a normal macro.
9045 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9046 * cpplib.h (NODE_WARN): New flag.
9047 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9048 Handle __STDC__ as a builtin only on Solaris.
9049 (warn_of_redefinition): Renamed from check_macro_definition.
9050 Reverse sense of test. Always warn if NODE_WARN.
9051 (_cpp_create_definition): Use warn_of_redefinition. Flag
9052 any macro beginning with "__STDC_" to require a mandatory
9053 warning if redefined or undefined.
9055 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9057 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9058 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9059 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9060 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9061 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9062 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9063 Don't define any of:
9064 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9065 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9066 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9067 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9068 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9070 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9071 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9074 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9075 Delete now-empty file.
9077 * alpha/vms.h: Define NEED_ATEXIT here...
9078 * alpha/xm-vms.h: ...not here.
9080 * i386/cygwin.h: Don't define PARAMS.
9081 * mips/mips.c: Don't prototype mktemp. Don't define
9082 P_tmpdir. Use make_temp_file to create temporary files.
9083 Don't be clever and delete temporary files early.
9084 * config.gcc: Drop references to deleted files. Don't define
9086 * gcc.texi: Don't mention USE_PROTOTYPES.
9088 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9090 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9091 (ix86_set_move_mem_attrs_1): Likewise.
9092 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9093 * config/i386/i386.md (movstrsi): Call it.
9095 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9097 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9098 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9099 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9100 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9102 (i750a-*-*): Error here if hosting on i750a.
9103 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9105 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9106 Remove (empty modulo comments).
9108 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9109 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9110 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9111 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9112 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9113 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9115 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9116 Remove reference to winnt.h in comment.
9117 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9119 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9121 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9122 used to set another biv.
9124 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9126 * tree.h (BLOCK_DEAD): New macro.
9127 (struct tree_block): New flag, dead_flag.
9128 * print-tree.c (print_node, case 'b'): Print missing fields.
9129 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9130 * function.c (identify_blocks): Enable test for misplaced notes.
9131 (all_blocks): Skip BLOCK_DEAD blocks.
9132 * integrate.c (integrate_decl_tree): Likewise.
9134 * errors.c (internal_error, trim_filename): New functions.
9135 (fancy_abort): Call internal_error.
9136 * errors.h (internal_error, trim_filename): New declarations.
9138 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9140 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9142 (EXTRA_CONSTRAINT): Formatting changes.
9144 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9146 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9148 2001-02-23 Per Bothner <per@bothner.com>
9150 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9151 so they can be called from java/jvspec.c.
9152 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9154 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9156 * i386.c (ix86_frame): New structure.
9157 (ix86_compute_frame_size): Kill.
9158 (ix86_compute_frame_layout): New.
9159 (ix86_save_reg): New.
9160 (ix86_can_use_return_insn_p): Use frame layout stuff.
9161 (ix86_expand_prologue): Likewise.
9162 (ix86_expand_epilogue): Likewise.
9163 (ix86_initial_elimination_offset): Likewise.
9164 (ix86_nsaved_regs): Use ix86_save_reg.
9165 (ix86_emit_save_regs): Likewise.
9167 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9169 * flow.c (find_sub_basic_blocks): New function.
9170 (split_block): Be ready for basic block introduced by CODE_LABEL.
9171 (commit_one_edge_insertion): Call find_sub_basic_block.
9173 * flow.c (make_edges): Add edge from entry for blocks starting with
9174 label having ALTERNATE_NAME
9176 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9178 * function.c (epilogue_done): Be ready for first basic block not
9179 containing PROLOGUE_END note.
9180 (reposition_prologue_and_epilogue_notes): Avoid placing
9181 PROLOGUE_END note between BASIC_BLOCK.
9183 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9185 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9187 2001-02-21 DJ Delorie <dj@redhat.com>
9189 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9190 check for current_function_has_nonlocal_goto from 1999-11-12.
9192 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9194 * diagnostic.c (trim_filename): No longer static.
9195 * toplev.h (trim_filename): Declare.
9196 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9197 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9198 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9199 (rtvec_check_failed_bounds): Likewise.
9200 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9202 * convert.c (convert_to_integer): Don't do unsigned unless result or
9203 both inputs are unsigned.
9205 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9208 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9210 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9212 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9214 * Makefile.in (resource.o): Add params.h dependence.
9215 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9216 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9217 * resource.c: Add dependence on params.h.
9218 (current_live_regs): Fix explanatory comment.
9219 (find_basic_block): Add new parameter to permit limiting search
9221 (mark_target_live_regs): Add new argument to find_basic_block call.
9222 (incr_ticks_for_insn): Likewise.
9224 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9226 * diagnostic.c (output_to_stream): Rename to
9227 output_buffer_to_stream. Loses the stream parameter.
9228 (init_output_buffer): Set diagnosic_buffer's stream.
9229 (flush_diagnostic_buffer): Adjust.
9230 (default_print_error_function): Likewise.
9231 (finish_diagnostic): Likewise.
9232 (verbatim): Likewise.
9234 * diagnostic.h (struct output_buffer): Add `stream' field.
9235 (output_buffer_attached_stream): New macro.
9237 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9239 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9240 check if either operand is divisible by C.
9241 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9242 If type is signed, consider negative numbers as well.
9244 2001-02-22 Richard Henderson <rth@redhat.com>
9246 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9247 reach .text instead of gp-relative relocs.
9248 * config/ia64/crtend.asm (.init): Likewise.
9250 2001-02-22 Andreas Jaeger <aj@suse.de>
9252 * extend.texi (C++ Attributes): Fix typo.
9254 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9256 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9257 functions, drop current_function_args_info.words test.
9258 (ia64_compute_frame_size): Mark syscall_linkage functions as
9259 using eight input registers.
9261 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9262 Bruce Korb <bkorb@gnu.org>
9264 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9265 * fixinc/README: Document how to convert sed substitutions
9266 to format style c_fix-es.
9267 * fixinc/fixincl.x: regen
9269 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9271 * gcc.c: Add comment explaining how to add a command-line option.
9272 Add title to specs language comment.
9274 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9276 * gcc.c (cc1_options): Add "-param".
9277 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9278 (option_map): Likewise.
9279 * toplev.c (display_help): Add entry for "--param".
9280 (independent_decode_option): Fix typographical error.
9282 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9283 Bernd Schmidt <bernds@redhat.com>
9284 Jan Hubicka <jh@suse.cz>
9286 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9287 (function_arg): Likewise.
9289 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9291 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9293 2001-02-21 Kazu Hirata <kazu@hxi.com>
9295 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9299 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9301 * flow.c (init_propagate_block_info): Canon address and use single_set
9302 for killing dead memory stores.
9304 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9306 * Makefile.in (reorg.o): Add params.h dependence.
9307 * params.def: Fix typographical error in comment.
9308 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9309 * params.h: Modify introductory comment.
9310 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9311 * reorg.c: Add dependence on params.h.
9312 (redundant_insn): Add parameterized throttle for search.
9313 (fill_simple_delay_slots): Add a comment explaining a variable.
9314 Move conditional out of loop, simplifying code.
9315 (fill_eager_delay_slots): Fix typographical error in comment.
9317 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9319 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9321 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9322 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9324 2001-02-21 Jason Merrill <jason@redhat.com>
9326 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9327 (struct tree_decl): Add uninlinable bitfield.
9328 * c-decl.c (duplicate_decls): Set it.
9329 * integrate.c (function_cannot_inline_p): Check it.
9331 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9332 DW_AT_MIPS_linkage_name to abstract methods.
9333 (dwarf2out_abstract_function): Emit class context before calling
9334 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9335 (gen_subprogram_die): Remove obsolete code.
9336 (gen_member_die): Don't include clones in the member list.
9337 (gen_decl_die): Emit abstract info for clone origin.
9338 * dwarfout.c (output_type): Don't include clones in the member list.
9339 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9340 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9341 DECL_ABSTRACT on a function that already has it set.
9343 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9344 (get_subprogram_die): Pass it in.
9346 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9348 * flow.c (mark_set_1): Make not_dead unsigned long. For
9349 non-pseudos, use it as a bitmask of the hard regs that
9352 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9354 * cppfiles.c: Update comments.
9355 (_cpp_read_file): Don't check for NULL filenames any more.
9356 * cppinit.c (cpp_start_read): Don't do canonicalization of
9357 in_fname and out_fname. Use the passed file name exclusively.
9358 (_cpp_handle_options): Don't treat "-" as a command line option,
9359 but as a normal filename.
9360 (_cpp_post_options): Canonicalize in_fname and out_fname.
9361 * cppmain.c (printer_init): Don't check out_fname for NULL.
9362 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9363 (init_c_lex): Update, and use "" to represent stdin to CPP.
9366 2001-02-20 Will Cohen <wcohen@redhat.com>
9368 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9369 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9370 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9373 2001-02-20 Stan Shebs <shebs@apple.com>
9375 * config/rs6000/rs6000.c (output_cbranch): Output branches
9376 on separate lines instead of using ';' to separate.
9378 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9380 * cppinit.c (set_lang): Move builtin handling to...
9381 (init_builtins): ...here.
9382 (_cpp_create_reader): Move call to set_lang.
9384 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9386 * stmt.c (expand_return): If an attempt is made to return the
9387 error_mar_node, treat the return like a return without a value.
9389 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9391 * sibcall.c (skip_copy_to_return_value): Call
9392 identify_call_return_value here, and return orig_insn if it
9393 returns zero. Hardret and softret arguments now unnecessary.
9394 (call_ends_block_p): Don't call identify_call_return_value here.
9396 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9398 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9399 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9401 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9403 * pa.c (move_operand): Accept code to load the address of a
9404 symbol out of the DLT as a valid move operand.
9405 (print_operand, case 'A'): New to handle generating a DLT
9406 reference for a LO_SUM expression.
9407 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9408 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9410 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9412 * README, cpp.texi, gcc.texi, version.c: Update version number to
9414 * cpp.1, gcov.1, gcc.1: Regenerate.
9416 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9418 * cppfiles.c (stack_include_file): Generate dependencies
9419 here, and manage include_count here too.
9420 (PRINT_THIS_DEP): Delete.
9421 (_cpp_execute_include): Do not generate dependencies here,
9422 apart from the case of a missing header. Do not manage
9424 (_cpp_read_file): Leave dependency generation to
9427 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9429 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9430 target_cpu_default. Remove dead assignment to
9433 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9435 * regclass.c (contains_reg_of_mode): Make global.
9436 (init_reg_sets): Remove contains_reg_of_mode; take into account
9437 CLASS_MAX_NREGS when looking for the proper mode.
9438 (dump_regclass): Dump only classes considered for the pseudo.
9439 (regclass): Use contains_reg_of_mode.
9441 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9443 * gcc.c (do_spec_1): 'n' for printing notices.
9444 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9446 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9448 * reg-stack.c (next_flags_user): Use current_block->end
9449 (swap_rtx_condition): Look for next user if flags don't die;
9450 give up on CALL_INSNs; use current_block->end.
9452 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9454 * sibcall.c (call_ends_block_p): New function.
9455 (optimize_sibling_and_tail_recursive_call): Use it.
9457 2001-02-18 Kazu Hirata <kazu@hxi.com>
9459 * config/h8300/h8300.md: Update copyright.
9460 (andsi3): Do not output an extra newline character.
9462 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9464 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9465 FNDECL may be unused.
9467 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9468 follow jumps after first run.
9469 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9470 it doesn't change any jumps.
9472 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9474 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9475 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9476 (mostlyclean): Corresponding changes.
9477 * rtlanal.c (hard-reg-set.h): Include.
9478 (rtx_unstable_p): Do not treat the argument pointer specially
9479 if it is not a fixed register.
9480 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9482 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9484 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9485 against last real insn in basic block.
9486 Rework to avoid gotos.
9488 * Makefile.in (gcse.o): Now includes ggc.h.
9489 * gcse.c: Include ggc.h.
9490 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9491 (try_replace_reg): Remove warning of uninitialize variable.
9492 (process_insert_insn): Call invalid_insn_p to validate insn.
9493 * recog.c (insn_invalid_p): Now global.
9494 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9495 * recog.h (insn_invalid_p): New declaration.
9497 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9499 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9500 assignments from FP constants since 'Y' output code can't handle it.
9501 (eligible_for_sibcall_delay): Likewise.
9503 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9504 Call fancy_abort directly, passing args.
9505 (print_rtl_and_abort): Now a macro, like fancy_abort.
9507 * final.c (output_operand_lossage): Use internal_error, not error.
9509 2001-02-18 Shane Nay <shane@agendacomputing.com>
9511 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9512 structure shift insns.
9514 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9516 * invoke.texi (-fsquangle): Remove documentation.
9517 (-fname-mangling-version): Likewise.
9519 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9521 * optabs.c (expand_abs): Remove reference to
9522 HAVE_contitional_arithmetic.
9523 * combine.c (simplify_set): Likewise.
9525 2001-02-18 Richard Henderson <rth@redhat.com>
9527 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9530 2001-02-18 Richard Henderson <rth@redhat.com>
9532 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9534 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9536 * reload1.c (reload_cse_simplify_set): Fix typo.
9538 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9540 * diagnostic.c (_fatal_insn): Decrement errorcount.
9542 * invoke.texi (-I): Add note avoiding use for system header files.
9544 * rtl.h (add_clobbers): Remove duplicate declaration.
9545 * recog.h (added_clobbers_hard_reg_p): New declaration.
9546 * genemit.c (struct clobber_pat): New field has_hard_reg.
9547 (gen_insn): Record if added clobbers clobber hard reg.
9548 (gen_split): Avoid unused warning if number of operands is 0.
9549 (output_added_clobbers_hard_reg_p): New function.
9552 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9554 * pa.c (hppa_expand_prologue): Simplify code storing return
9555 pointer. For large (>=8k) frames with a post_store, adjust stack
9556 pointer by 8k-64 first rather than by 64. When testing with
9557 VAL_14_BITS_P, always use the actual value rather than the value
9558 negated. Add blockage to prevent scheduling of spills before
9559 stack frame has been created.
9560 (hppa_expand_epilogue): Simplify code loading return pointer.
9561 Allow a slightly larger range for merge_sp_adjust_with_load case.
9562 When testing with VAL_14_BITS_P, always use the actual value.
9564 * pa.c (pa_adjust_insn_length): Check that block move
9565 pattern is a set before looking at operands.
9567 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9569 * fold-const.c (fold_binary_op_with_conditional_arg): New
9570 function, split out from ...
9572 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9573 conditional arms that throw exceptions.
9575 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9578 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9580 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9581 define HAVE_DECL_* to 1 to mask potential backup declarations.
9582 * configure: Regenerated.
9584 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9586 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9588 2001-02-17 Richard Henderson <rth@redhat.com>
9590 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9591 when replacing a memory load with a register.
9593 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9594 Jan Hubicka <jh@suse.cz>
9596 * recog.c (validate_replace_src_1): New.
9597 (validate_replace_src_data): Likewise.
9598 (validate_replace_src): Use note_uses.
9599 * rtl.h (note_uses): Declare.
9600 * rtlanal.c (note_uses): New.
9602 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9604 * reg-stack.c (stack_def): Make field reg unsigned.
9605 (remove_regno_note): Unsignetize parameter.
9607 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9609 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9610 shladd_operand() call.
9612 2001-02-16 Bruce Korb <bkorb@gnu.org>
9613 Rodney Brown <RodneyBrown@mynd.com>
9615 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9616 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9617 machine restrictions
9618 * fixinc/fixincl.x: regen
9620 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9622 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9624 (hash_scan_insn): Clean up calls to hash_scan_set.
9625 (compute_kill_rd): REGNO now unsigned.
9626 (try_replace_reg): Rework to use simplify_replace_rtx.
9627 (cprop_jump, cprop_cc0_jump): Likewise.
9628 (cprop_insn): Call find_reg_equal_equiv_note.
9629 Reflect changes to cprop_jump and cprop_cc0_jump.
9631 * recog.c (validate_replace_src): Replace in operands of
9632 ZERO_EXTRACT in SET_DEST.
9634 * cse.c (new_label_ref): New variable.
9635 (insert): Set it instead of recorded_label_ref.
9636 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9637 CODE_LABEL for this function, and not already in REG_LABEL note.
9639 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9641 * resource.c (mark_referenced_resources): Fix typo in introductory
9643 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9646 2001-02-16 Jason Merrill <jason@redhat.com>
9648 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9650 (gen_subprogram_die): Don't abort on seeing a second definition if
9651 the previous one was abstract. Don't replace an abstract instance
9652 in the lookup table.
9654 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9655 gen_abstract_function.
9656 * dwarf2out.h: Declare it.
9657 * toplev.c (note_outlining_of_inline_function): New fn.
9658 * toplev.h: Declare it.
9659 * integrate.c (output_inline_function): Call it.
9660 * c-decl.c (duplicate_decls): Call it when redefining an extern
9661 inline. Don't inline the new defn.
9663 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9665 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9667 * .gdbinit: Rename to gdbinit.in.
9668 * gdbinit.in: New file,
9669 * configure.in: Generate .gdbinit from gdbinit.in.
9670 * configure: Regenerated.
9671 * Makefile.in (distclean): Always remove .gdbinit.
9673 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9675 * objc/objc-act.c (start_class): Register implemented_classes with
9678 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9680 * cppfiles.c (_cpp_make_system_header): Generate a file
9683 2001-02-15 Jim Meyering <meyering@lucent.com>
9685 * Makefile.in (install-common): Don't depend on installdirs here.
9686 Instead, make each of the lang.install-common targets (e.g.,
9687 c++.install-common in cp/Make-lang.in) depend on it.
9688 (install-driver): Depend on installdirs.
9690 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9692 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9694 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9697 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9699 * invoke.texi (--param): Document.
9701 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9703 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9705 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9707 * i386.md (extendsfdf2_2): Fix constraints.
9709 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9711 * i386.md (fop_df_3 splitter): Fix operand number.
9713 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9715 * invoke.texi (-mreg-alloc): Nuke.
9716 * i386.c (ix86_reg_alloc_order, regs_allocated,
9717 order_regs_for_local_alloc): Nuke.
9718 (override_options): Kill reg_alloc code.
9719 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9720 (REG_ALLOC_ORDER): SSE goes before I387.
9721 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9722 (ix86_reg_alloc_order): Likewise.
9723 * i386-protos.h (ix86_reg_alloc_order): Kill.
9725 2001-02-14 Richard Henderson <rth@redhat.com>
9727 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9729 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9731 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9733 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9735 * i386-protos.h (ix86_memory_move_cost): Move offline.
9736 * i386.c (ix86_register_move_cost): Compute properly cost of
9737 SSE, MMX and i387 instructions.
9738 (*_cost): Add costs of SSE/MMX moves.
9739 (ix86_memory_move_cost): Move offline from ....; Likewise.
9740 * i386.h (MEMORY_MOVE_COST): .... here;
9741 (struct processor costs): Add new fields to represent costs
9744 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9746 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9747 move_cost together with Matt Kraai's fix.
9749 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9751 * Makefile.in (OBJS): Add params.o.
9753 2001-02-14 Richard Henderson <rth@redhat.com>
9754 DJ Delorie <dj@redhat.com>
9756 * jump.c (jump_optimize_1): When we delete a conditional jump
9757 preceeding a non-conditional jump to effectively the same place,
9758 make sure that the combined jump skips any clobber insns between
9761 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9763 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9765 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9767 * Makefile.in (toplev.o): Depend on params.h.
9768 (intergate.o): Likewise.
9769 (params.o): New target.
9770 * flags.h (inline_max_insns): Remove.
9771 * integrate.c: Include params.h.
9772 Use MAX_INLINE_INSNS instead of inline_max_insns.
9773 * params.c: New file.
9774 * params.h: Likewise.
9775 * params.def: Likewise.
9776 * toplev.c: Include params.h.
9777 (lang_independent_params): New variable.
9778 (decode_f_option): Use the param machinery instead of setting
9780 (independent_decode_option): Handle "--param name=value".
9781 (main): Register language-independent parameters.
9783 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9785 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9787 2001-02-14 Richard Henderson <rth@redhat.com>
9789 * regclass.c (init_reg_sets_1): Revert last two changes.
9791 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9793 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9794 (variable_size): Call put_pending_size.
9795 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9796 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9797 sizes list, put newly created SAVE_EXPR there as well.
9799 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9801 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9802 (errata_find_address_regs): load_group has only 2 entries.
9803 (errata_emit_nops): Likewise. shladd is not problematic.
9804 Clear last_group if nop was emitted.
9805 (fixup_errata): load_group has only 2 entries.
9808 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9810 * c-lex.c (lex_number): Only warn traditionally for U suffix
9811 outside system macros.
9812 * cppexp.c (parse_number): Similarly.
9813 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9814 * cppmacro.c (struct cpp_macro): New member node.
9815 (parse_args): Only warn about missing rest args if not
9817 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9818 (cpp_sys_objmacro_p): New.
9819 (_cpp_create_definition): Store the node with the macro defn.
9820 Remember if the macro is defined in a system header.
9822 2001-02-13 DJ Delorie <dj@redhat.com>
9824 * configure.in (check_languages): determine languages to check
9825 * Makefile.in (check-c++): alias for check-g++
9826 (check-f77): alias for check-g77
9827 (CHECK_TARGETS): depend on configured languages
9829 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9831 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9832 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9833 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9834 (sqrtextendsfdf2): Disable for SSE2.
9836 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9838 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9839 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9840 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9841 (sqrtextendsfdf2): Disable for SSE2.
9843 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9845 * i386.md (movsfcc_1): Support integer cmove instruction.
9846 (movdfcc_1): Likewise; new splitter.
9848 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9850 * i386.c (output_fp_compare): Support SSE.
9851 (prepare_fp_compare_args): SSE comparisons always support memory.
9852 * i386.h (TARGET_CMOVE): SSE imply cmove.
9853 * i386.md (cmp?f2): Enable for SSE too.
9854 (cmpfp_i*): Support SSE.
9856 (cmpfp_i_sse_only): New.
9857 (s*, b* fp expanters): Enable for SSE too.
9858 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9861 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9863 * regclass.c (init_reg_sets_1): Silence warning.
9865 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9867 * i386.md (sqrt?f2): Change to expander.
9868 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9870 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9872 * rtlanal.c (find_reg_equal_equiv_note): New function.
9873 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9874 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9875 * rtl.h: Add declarations for above functions.
9877 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9879 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9881 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9882 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9883 * flow.c (mark_regs_live_at_end): Likewise.
9884 (calculate_global_regs_live): Likewise.
9885 * gcse.c (compute_hash_table): Likewise.
9886 (compute_kill_rd): Likewise.
9887 * resource.c (mark_target_live_regs): Likewise.
9888 * rtl.h (INVALID_REGNUM): New macro.
9890 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9892 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9894 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9896 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9899 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9901 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9903 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9904 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9905 (fop_sf_1_sse, fop_df_1_sse): New patterns
9906 (fop_*): Disable float_extend and float patterns for SSE compilation.
9907 * i386.c (output_387_binary_op): Support SSE.
9909 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9911 * i386.md (dummy_extendsfdf2): Support SSE2
9912 (extendsfdf2): Enable if 80387 or SSE2.
9913 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9914 and no MIX_I387_SSE2
9915 (extendsfdf2_1_sse_only): New pattern.
9916 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9918 (truncdfsf2_1): Support SSE.
9919 (truncdfsf2_2): Support SSE.
9920 (truncdfsf2_2_1_sse): New pattern.
9921 (fixtruncsfsi2): Always use SSE if available.
9922 (fix_truncsfsi_sse): New pattern.
9923 (fix_truncdfsi_sse): New pattern.
9924 (floatsis?f2): Support SSE.
9925 (floatsidf2_i387): New pattern.
9926 (floatsidf2_sse): Likewise.
9928 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9930 * configure.in: Use "have_gnat" variable, not "gnat".
9931 * configure: Regenerated.
9933 * config/sparc/sparc.c (function_value): Treat all non-record
9934 aggregate types like used to treat UNION_TYPE.
9936 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9938 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9939 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9941 (MASK_MIX_SSE_I387): New.
9942 (TARGET_SSE): SSE2 imply SSE.
9943 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9944 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9945 (enum reg_class): Add new classes.
9946 (REG_CLASS_NAMES): Likewise.
9947 (REG_CLASS_CONTENTS): Likewise.
9948 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9949 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9950 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9951 (CLASS_MAX_NREGS): Use new macros.
9952 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9953 * i386.md (pushsf, movsf): Support SSE.
9954 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9955 splitters to use ANY_FP_REGNO_P.
9956 (movdf_nointeger, movdf_integer): Likewise.
9958 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9960 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9961 (try_combine): Use it.
9963 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9965 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9966 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9967 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9968 (REGISTER_MOVE_COST): Likewise.
9969 * i386-protos.h (ix86_secondary_memory_needed,
9970 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9971 * i386.c (ix86_secondary_memory_needed,
9972 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9974 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9976 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9977 (HARD_REGNO_MODE_OK): Move offline to ....
9978 * i386.c (ix86_hard_regno_mode_ok) ... here;
9979 refuse all incorrect modes.
9980 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9982 2001-02-13 Richard Henderson <rth@redhat.com>
9984 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9985 entire operator; replicate that and match_dup the operands.
9986 (cmp_ccx_arith_op_set): Likewise.
9987 (cmp_cc_arith_op_not_set): Likewise.
9988 (cmp_ccx_arith_op_not_set): Likewise.
9990 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9992 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9994 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9996 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9997 (TARGET_NO_BITFIELD_WORD): New macro.
9998 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9999 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10001 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10003 * cselib.c: New file, from simplify-rtx.c.
10004 * simplify-rtx.c: Remove cselib parts.
10005 * Makefile.in: Add cselib.o.
10007 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10009 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10010 (setup_incoming_varargs): Remove warning.
10012 * config/rs6000/rs6000.c (validate_condition_mode): When
10013 flag_fast_math, allow floating-point conditionals to be reversed.
10014 (rs6000_generate_compare): When flag_fast_math, don't generate
10015 cror operations for FP conditionals.
10017 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10019 (ASM_SPEC): Likewise.
10020 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10021 (CC1_SPEC): Likewise.
10022 (LINK_TARGET_SPEC): Likewise.
10023 (CPP_ENDIAN_SPEC): Likewise.
10024 * Makefile.in (check-consistency): New target.
10026 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10028 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10029 "return type defaults" warning for functions with return type
10031 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10032 function declarations by default rather than only when pedantic.
10034 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10036 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10039 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10041 * extend.texi (Deprecated): Deprecate new initializer lists.
10043 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10045 * mkdeps.c (deps_add_default_target): Robustify. Add
10046 basename component only.
10047 * cpp.texi (-M): Describe how default target is generated.
10048 * invoke.texi (-M): Likewise.
10050 2001-02-12 Kazu Hirata <kazu@hxi.com>
10052 * toplev.c (push_float_handler): Remove.
10053 (pop_float_handler): Remove.
10054 * toplev.h: Remove prototypes for the above functions.
10056 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10058 * c-common.c (constant_fits_type_p): New function.
10059 (convert_and_check): Use it.
10061 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10063 * Makefile.in (GXX_ABI_FLAG): Don't define.
10064 * configure.in (--enable-new-gxx-abi): Remove option.
10065 * config.in: Regenerated.
10066 * configure: Likewise.
10068 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10070 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10072 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10073 regular basic block, and arrange for all edges into it to switch
10076 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10078 * Makefile.in (distclean): Do not remove .gdbinit.
10080 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10082 * Makefile.in (gcc.o): Fix typos.
10083 (protize.o): Likewise.
10084 (unprotoize.o): Likewise.
10086 2001-02-11 Richard Henderson <rth@redhat.com>
10088 * tree.c (build1): Check for null operand in last change.
10090 2001-02-11 Richard Henderson <rth@redhat.com>
10092 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10093 (fold): Don't assume a constant isn't foldable.
10094 * tree.c (build): Set TREE_CONSTANT for an expression with no
10095 side-effects and constant operands.
10096 (build1): Likewise.
10098 2001-02-10 Richard Henderson <rth@redhat.com>
10100 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10102 2001-02-10 Anthony Green <green@redhat.com>
10104 * cpp.texi (Standard Predefined): Add documentation for
10107 * c-common.c (combine_strings): Improve warning message.
10109 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10111 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10113 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10115 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10117 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10120 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10122 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10125 2001-02-09 Nick Clifton <nickc@redhat.com>
10127 * config/arm/arm.md: Change output contraint on post inc
10128 load/store multiple patterns to be a read/write contraint.
10130 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10132 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10133 .o files when using the -M options.
10135 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10136 David Edelsohn <edelsohn@gnu.org>
10138 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10139 handle DImode constants. Use one TOC entry for SImode and smaller
10140 constants, aligned properly.
10142 2001-02-08 Jason Merrill <jason@redhat.com>
10144 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10145 about the SP adjustment for saving the static chain pointer.
10146 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10147 offset when setting a temporary CFA register.
10149 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10151 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10152 powerpc-*-chorusos* .
10153 * config/rs6000/chorus.h : New file.
10154 * config/i386/chorus.h : New file.
10155 * config/sparc/chorus.h : New file.
10156 * config/sparc/t-chorus-elf : New file.
10158 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10160 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10161 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10162 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10163 (__WCHAR_TYPE__): Correct macro name.
10165 2001-02-08 Richard Henderson <rth@redhat.com>
10167 * config/i386/i386.c (ix86_frame_pointer_required): New.
10168 (ix86_setup_frame_addresses): New.
10169 (struct machine_funciton): Add accesses_prev_frame.
10170 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10171 ix86_frame_pointer_required.
10172 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10173 (SETUP_FRAME_ADDRESSES): New.
10174 * config/i386/i386-protos.h: Update.
10175 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10176 from FRAME_POINTER_REQUIRED.
10177 * config/i386/svr3gas.h: Likewise.
10178 * config/i386/sysv3.h: Likewise.
10179 * config/i386/v3gas.h: Likewise.
10181 2001-02-08 Richard Henderson <rth@redhat.com>
10183 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10184 calculation of the number of integer registers required.
10185 (function_arg_record_value): Likewise.
10187 2001-02-08 Jason Merrill <jason@redhat.com>
10189 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10190 two. Print file and line with "confused" message.
10192 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10194 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10196 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10198 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10200 * final.c (cleanup_subreg_operands): The address of a MEM can
10203 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10206 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10208 * gcc.texi (Incompatibilities): Update documentation of
10209 preprocessing numbers.
10211 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10213 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10215 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10217 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10219 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10220 * gcc.c (struct compiler): Add cpp_spec field.
10221 (input_file_compiler): New variable.
10222 (do_spec_1): Allow a particular compiler to handle `%C'
10224 (main): Store the current compiler in input_file_compiler.
10225 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10227 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10229 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10230 * cppinit.c (cpp_create_reader): Initialize them.
10231 (append_include_chain): cxx_aware arg might be unused.
10232 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10233 keywords and give them their phase 7 meaning. Pedwarn about
10234 this unless '__bool_true_false_are_defined' is defined.
10236 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10238 * lcm.c (optimize_mode_switching): Emit mode_set before the
10239 JUMP_INSN of an abnormal edge.
10241 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10243 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10244 a scheduling barrier at the end.
10246 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10248 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10250 * config/sh/sh.md (reload_outsf): Removed.
10251 (movsf_ie): Introduce constraints for FPUL loads and stores.
10252 (reload_insf): Broaden the output constraint.
10254 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10256 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10257 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10259 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10261 * final.c: Revert my previous changes.
10262 * output.h: Make profile_label_no extern.
10263 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10264 for generating label.
10266 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10268 * config/i386/djgpp.h: Add comments about standard paths.
10269 (MD_EXEC_PREFIX): Undefine before defining.
10270 (MD_STARTFILE_PREFIX): New.
10272 2001-01-30 Bruce Korb <bkorb@gnu.org>
10274 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10275 (load_file): do not rely on load_file_data() to close file pointer
10276 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10277 fixinc/inclhack.def(irix_limits_const): add test_text
10279 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10281 * cppexp.c (parse_defined): Improve diagnostics for invalid
10284 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10286 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10288 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10290 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10291 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10292 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10293 (rs6000_output_symbol_ref): New function.
10294 (output_toc): Use VTABLE_NAME_P.
10296 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10298 * print-tree.c (print_node, case PARM_DECL):
10299 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10301 * stor-layout.c (reference_types_internal): New variable.
10302 (internal_reference_types): New function.
10303 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10304 * tree.h (internal_reference_types): New declaration.
10306 * cse.c (find_best_addr): Fix typo in computing cost.
10308 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10310 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10311 and this is the sum of a pointer and a constant, we know the result
10313 (num_sign_bit_copies, case PLUS): Likewise.
10314 * explow.c (convert_memory_address): Remove opposite SUBREG.
10315 * function.c (instantiate_new_reg): New function (from common code).
10316 (instantiate_virtual_regs_1): Call it.
10317 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10318 if pointers sign- or zero-extend.
10319 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10320 If pointers extend unsigned, use inside of SUBREG.
10321 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10323 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10325 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10326 subdir of gcc_gxx_include_dir.
10327 (gcc_gxx_target_include_dir): Remove.
10329 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10331 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10332 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10333 a high-level description.
10335 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10337 * final.c: Move the declaration of profile_label_no to ...
10338 * output.h: ... here.
10339 * function.c (expand_function_start): Call PROFILE_HOOK.
10340 * config/rs6000/aix.h: Define PROFILE_HOOK.
10341 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10342 * config/rs6000/rs6000.c (output_profile_hook): Define.
10343 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10344 output_profile_hook.
10345 tm.texi : Explain new macro PROFILE_HOOK.
10347 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10349 * extend.texi (Extended Asm): Do not say that semicolon is always
10350 a valid line-breaking character for GNU assemblers. Use
10351 newline-tab as the most commonly supported syntax. Use
10352 newline-tab rather than semicolon in multi-insn examples.
10354 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10356 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10358 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10359 David Edelsohn <edelsohn@gnu.org>
10361 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10362 code for AIX, even without flag_pic.
10364 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10366 * c-typeck.c (common_type): push and pop binding level around
10367 calling common_type on function parameters.
10369 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10371 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10373 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10375 * config/mips/mips.c (override_options): Fix typo in last change.
10376 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10377 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10379 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10381 * invoke.texi (-fdump-class-layout): Document.
10382 (-fdump-translation-unit): Use `=' as filename separator.
10384 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10386 * Makefile.in (s-mlib): Don't build multilibs if
10387 --disable-multilib.
10388 (DRIVER_DEFINES): Adjust accordingly.
10390 (protoize.o): Likewise.
10391 (unprotoize.o): Likewise.
10392 * configure.in: Recognize --enable-multilib.
10394 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10396 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10398 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10399 * configure.in: Remove --enable-libstdcxx_v3 support.
10400 * configure: Regenerated.
10402 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10404 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10405 Call abort instead of fatal.
10406 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10407 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10408 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10409 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10410 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10411 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10413 * diagnostic.h (set_internal_error_function): Renamed.
10414 * toplev.h (internal_error): Renamed from fatal.
10415 (pfatal_with_name): Deleted.
10416 (fatal_io_error): Now has printf-style arguments.
10417 * diagnostic.c (pfatal_with_name): Deleted.
10418 (fatal_io_error): Rework to have args in printf-style.
10419 (set_internal_error_function): Renamed from set_fatal_function.
10420 (internal_error): Renamed from fatal.
10421 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10422 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10423 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10424 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10425 * flow.c (verify_flow_info): Likewise.
10426 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10427 * config/mips/mips.c (save_restore_insns): Likewise.
10429 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10430 * flow.c (verify_flow_info): Likewise.
10431 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10432 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10433 (avr_normalize_condition): Likewise.
10434 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10435 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10436 (limit_reload_class, double_reg_to_memory): Likewise.
10437 (print_operand_address, emit_1600_code_shift): Likewise.
10438 (gen_tst_reg, gen_compare_reg): Likewise.
10439 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10440 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10442 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10444 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10445 * objc/objc-act.c (build_ivar_chain): Likewise.
10446 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10448 * graph.c (clean_graph_dump_file): Likewise.
10449 * profile.c (init_branch_prob): Likewise.
10450 * objc/objc-act.c (objc_init): Likewise.
10452 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10453 * config/avr/avr.c (avr_override_options): Likewise.
10454 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10455 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10456 * config/h8300/h8300.c (h8300_init_once): Likewise.
10457 * config/mips/mips.c (override_options): Likewise.
10458 * config/i386/i386.c (override_options): Likewise, rework.
10459 * config/m68k/m68k.c (override_options): Likewise.
10461 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10463 * config/mips/mips.c (print_operand): Likewise.
10464 * hash.c (hash_allocate): Don't check for failure returns from
10465 obstack functions that can't fail.
10466 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10467 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10468 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10469 (get_object_reference): Likewise.
10471 2001-02-04 Nick Clifton <nickc@redhat.com>
10473 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10474 StrongARM1110, 10TDMI, and 1020T.
10476 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10478 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10480 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10482 * config/sh/sh.md (movdf load split): Pass register number to
10483 FP_OR_XD_REGISTER_P.
10485 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10487 * cppinit.c (BC): New macro.
10488 (builtin_array): Add __GXX_WEAK__.
10489 * cpplib.h (builtin_type): Add BT_WEAK.
10490 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10491 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10492 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10494 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10496 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10498 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10500 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10501 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10503 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10505 * cpphash.h: Rename ALIGN _ALIGN.
10506 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10508 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10510 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10511 compilation environment.
10512 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10513 control over location of cygwin includes and libs.
10515 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10517 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10519 2001-02-02 lars brinkhoff <lars@nocrew.org>
10521 * md.texi (Standard Names): remove reference to spur.md.
10523 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10525 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10526 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10527 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10528 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10529 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10531 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10533 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10534 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10535 number before reload.
10536 (c4x_adjust_cost): Return zero before reload.
10537 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10538 split before reload.
10540 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10542 * c4x.c (c4x_hard_regno_rename_ok): New.
10543 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10544 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10546 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10548 * diagnostic.h: Add missing "extern" in all declarations.
10550 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10552 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10553 as for gcc_gxx_include_dir.
10555 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10557 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10559 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10561 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10562 label before alignment to be used as the braf base address.
10563 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10565 (casesi_jump_2): Require at least TARGET_SH2.
10567 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10568 truncation to 32-bit doubles on -m3e and -m4-single-only.
10570 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10572 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10573 the default when building a shared object.
10574 (init_spec): Use it.
10575 * testsuite/lib/g++.exp: Include the directory where libgcc
10576 is located to the LD_LIBRARY_PATH list.
10577 * invoke.texi (-shared-libgcc): Document the cases in which
10578 GCC defaults to using the shared libgcc.
10580 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10582 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10583 unsigned is wide enough.
10584 (BITS_PER_SI): New.
10585 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10586 (si_to_float): Likewise.
10587 (float_to_si, float_to_usi): Use BITS_PER_SI.
10589 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10591 * dwarf2out.c: Added explanation of abbreviations.
10592 (def_cfa_1): Added comments listing DWARF2 instructions.
10593 (cfa_temp_reg): Removed in favor of cfa_temp.
10594 (cfa_temp_value): Removed in favor of cfa_temp.
10595 (cfa_temp): New global variable.
10596 (dwarf2out_frame_debug_expr): Added extensive introductory
10597 comments explaining the function's transformations. Revised to
10598 use cfa_temp. Added some rtx checking. Generalize IOR case.
10599 (dwarf2out_frame_debug): Revised to use cfa_temp.
10600 (output_aranges): Cast as "unsigned" to avoid warning.
10601 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10602 explain which instructions must be marked.
10604 2001-02-01 Richard Henderson <rth@redhat.com>
10606 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10609 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10611 * config/sh/crt1.asm (main_k): Modified so that start calls
10612 ___setup_argv_and_call_main.
10614 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10616 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10617 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10618 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10619 * cppmacro.c (builtin_macro): Set builtin flags here.
10620 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10621 (replace_args): Clarify intent.
10622 (cpp_get_token): Macro expansion tokens get the saved flags.
10624 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10627 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10629 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10632 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10634 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10635 returns Pmode pseudo, but we need ptr_mode.
10636 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10637 Remove bogus conversions; use HOST_WIDE_INT for size.
10638 Don't use TARGET if wrong mode.
10640 * config/i386/i386.c (ix86_compute_frame_size): Allow
10641 stack_alignment_needed to be non-default even if size is zero.
10643 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10645 * pa.c (hppa_init_pic_save): New function.
10646 * pa.h (hppa_init_pic_save): Declare.
10647 * pa.md (call, call_value, sibcall, sibcall_value): Use
10648 the above instead of duplicated code.
10650 * pa.c (hppa_encode_label): Correct size of alloca buffer
10651 so we don't overrun it. Correct leading `*' case.
10652 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10653 need to handle `*@'.
10654 (FUNCTION_NAME_P): Likewise.
10656 2001-01-31 Richard Henderson <rth@redhat.com>
10658 * config.gcc (alpha-osf5): Use float-i128.h.
10660 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10661 * config/float-i32.h: Likewise.
10662 * config/float-i64.h: Likewise.
10663 * config/float-sh.h: Likewise.
10664 * config/float-sparc.h: Likewise.
10666 2001-01-31 DJ Delorie <dj@redhat.com>
10668 * expmed.c (extract_bit_field): allow non-integral modes if we
10669 want to extract a whole register from itself.
10671 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10673 * c-typeck.c (set_init_index): If first is equal to last, assume as
10674 if it was not a range at all.
10676 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10678 * config/fp-bit.c: Include tm.h.
10679 (float_to_si): Don't assume SImode is 32-bits wide.
10680 (float_to_usi): Likewise.
10682 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10684 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10686 (typename): Call pending_xref_error after parsing typed_typespecs.
10687 * c-decl.c (lookup_tag): Give error immediately rather than
10688 leaving it pending if the tag of the wrong type is in the same
10690 (xref_tag): Don't pedwarn for forward declarations of enum types
10692 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10695 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10697 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10699 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10701 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10702 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10704 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10706 * cpphash.h (struct cpp_reader): New saved_flags.
10707 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10708 to avoid a paste after a pasted token.
10710 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10712 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10713 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10714 Wtype_MIN instead of LONG_MIN.
10716 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10718 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10720 * fixinc/fixincl.x: Regenerated.
10721 * fixinc/inclhack.def (irix_limits_const): New definition to
10722 convert "const" to "__const" in limits.h.
10724 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10726 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10728 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10730 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10731 when register dies in the insn.
10733 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10735 * diagnostic.c (fatal): Fix word wrap.
10737 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10739 * combine.c (try_combine): Fix SUBREG setting for
10740 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10742 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10744 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10747 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10749 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10751 * toplev.c (decode_W_option): Update warn_larger_than
10752 unconditionally for each processed switch.
10754 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10756 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10758 (hppa_expand_prologue): Delete code to save pic offset table register
10759 in the function prologue.
10760 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10761 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10762 table register at the beginning of the function after the prologue.
10764 2001-01-29 lars brinkhoff <lars@nocrew.org>
10766 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10768 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10769 Jeff Law <law@redhat.com>
10771 * pa.md (return): Revise comment for trivial return.
10772 (return_internal): Non-trivial return pattern for non-PIC code.
10773 (return_internal_pic): Non-trivial return pattern for PIC code.
10774 It uses the PIC register to ensure it is restored after
10776 (epilogue): Generate appropriate return for PIC and non-PIC code.
10778 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10780 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10782 2001-01-29 DJ Delorie <dj@redhat.com>
10784 * combine.c (if_then_else_cond): Pass the correct mode to
10785 operand_subword() for constants.
10787 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10789 * config/i386/cygwin.h: Add w32api to include search. Search different
10790 directories in a cross-build environment.
10792 2001-11-29 Tim Josling <tej@melbpc.org.au>
10794 * tree.h (TYPE_STUB_DECL): Add documentation.
10796 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10798 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10799 (sdbout_field_types): Likwise. Fix use of host_integerp.
10801 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10803 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10806 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10808 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10809 to use flag_gnu_linker.
10811 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10813 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10814 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10816 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10818 * tree.c, tree.h (build_parse_node): Remove; was identical to
10820 * c-lang.c (start_cdtor), objc/objc-act.c
10821 (build_module_descriptor): Use build_nt instead of
10824 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10826 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10827 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10828 not have any upper bits set.
10830 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10832 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10834 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10836 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10838 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10840 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10841 (integer_minus_one_node): Define.
10843 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10845 * Makefile.in (bootstrap2-lean): Fix typo.
10847 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10849 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10850 : Don't set fe_value.
10851 * cpplib.h (AVOID_LPASTE): New flag.
10852 (struct cpp_hashnode): Remove fe_value.
10853 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10854 * cppmacro.c (builtin_macro): Don't set flags here.
10855 (replace_args): Set AVOID_LPASTE flag on first token of an
10856 argument, and the token following it.
10857 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10858 macro expansion, and on the token following it. Do it for
10860 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10862 2001-01-27 Richard Henderson <rth@redhat.com>
10864 * config/alpha/t-ieee: Remove multilibbing.
10865 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10867 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10869 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10871 * Makefile.in: Remove all dependencies on defaults.h.
10872 * builtins.c: Don't include defaults.h.
10873 * c-common.c: Likewise.
10874 * c-decl.c: Likewise.
10875 * c-pragma.c: Likewise.
10876 * c-typeck.c: Likewise.
10877 * combine.c: Likewise.
10878 * i386.c: Likewise.
10879 * frame-ia64.c: Likewise.
10880 * cppexp.c: Likewise.
10881 * crtstuff.c: Likewise.
10882 * dbxout.c: Likewise.
10883 * dwarf2out.c: Likewise.
10884 * dwarfout.c: Likewise.
10885 * emit-rtl.c: Likewise.
10886 * except.c: Likewise.
10887 * expr.c: Likewise.
10888 * final.c: Likewise.
10889 * frame-dwarf2.c: Likewise.
10890 * libgcc2.c: Likewise.
10891 * optabs.c: Likewise.
10892 * profile.c: Likewise.
10893 * sdbout.c: Likewise.
10894 * toplev.c: Likewise.
10895 * tradcif.y: Likewise.
10896 * tree.c: Likewise.
10897 * varasm.c: Likewise.
10899 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10901 * builtins.c (expand_builtin_fputs): Use size_one_node when
10902 transforming into fwrite.
10904 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10906 * extend.texi (Attribute Syntax): New section.
10908 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10910 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10911 they didn't need fixing.
10913 2001-01-27 Janis Johnson <janis@us.ibm.com>
10915 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10917 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10918 to remove macro definitions that are duplicated from elfos.h.
10920 2001-01-27 Richard Henderson <rth@redhat.com>
10922 * config/i386/sco5gas.h: Move ...
10923 * config/usegas.h: ... here.
10924 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10926 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10928 * c-typeck.c (struct constructor_stack): Add range_stack member.
10929 (really_start_incremental_init): Clear it.
10930 (push_init_level): Save constructor_range_stack and clear it if
10931 pushing explicit braces.
10932 (pop_init_level): abort if constructor_range_stack is non-zero at
10933 explicit closing brace. Restore saved constructor_range_stack if
10936 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10938 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10939 into register was forced into memory.
10941 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10943 * Makefile.in: Remove uses of + before $(MAKE).
10945 2001-01-26 Richard Henderson <rth@redhat.com>
10947 * stmt.c (cost_table): Remove.
10948 (COST_TABLE, cost_table_initialized): New.
10949 (estimate_case_costs): Use the later instead of the former.
10950 (balance_case_nodes): Likewise.
10952 2001-01-26 Richard Henderson <rth@redhat.com>
10954 * alias.c (objects_must_conflict_p): Read-only slots may not
10955 conflict despite having the same type.
10957 2001-01-27 Michael Hayes <mhayes@redhat.com>
10959 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10961 (check_ext_dependant_givs): Initialise u_start_val and
10963 (load_mems): Make last_max_reg unsigned.
10964 (try_swap_copy_prop): Use INSN_P and initialise set.
10966 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10968 * README.AVR : Removed.
10970 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10972 * pa-64.h (text_section): Remove declaration.
10974 * pa.md (return_internal): Remove mode on PIC register use.
10976 2001-01-25 lars brinkhoff <lars@nocrew.org>
10978 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10979 ASM_CLOSE_PAREN): fix typos.
10981 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10983 * acconfig.h: Define `const' to the empty string if neither
10984 __STDC__ nor __cplusplus is defined.
10985 * config.in: Regenerated.
10987 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10989 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10990 * collect2.c (main): Delete importf. Add ".obj" file extension.
10991 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10992 (aix_std_libs): Add additional AIX libraries to skip.
10993 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10994 * config/rs6000/aix51.h: New file.
10996 2001-01-25 Michael Hayes <mhayes@redhat.com>
10998 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10999 (loop_insn_emit_before): No longer static.
11000 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11001 (loop_givs_rescan, load_mems): Likewise.
11002 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11003 (maybe_eliminate_biv_1):
11004 (move_movables): Replace emit_call_insn_before with
11005 loop_call_insn_hoist.
11006 * loop.h (loop_insn_emit_before): Add.
11007 * unroll.c (copy_loop_body): Replace emit_insn_before with
11008 loop_insn_emit_before.
11010 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11012 * diagnostic.c (fatal): Request preprocessed source.
11014 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11016 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11017 olddecl has argument types and newdecl has none, use the argument
11018 types from olddecl.
11020 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11022 * dwarf2out.c (prefix_of): New function. Determine longest common
11023 prefix of the two arguments. The units are whole path components.
11024 (output_file_names): When adding a new directory find the one entry
11025 with the longest common prefix already in the list. Artificially
11026 generate entry if there is none for this prefix.
11027 Fix test to check whether the zeroth directory entry is used.
11029 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11031 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11032 Changed all callers. Take it into account when deciding if a
11033 previously loaded value matches.
11035 2001-01-24 Richard Henderson <rth@redhat.com>
11037 * reload.c (find_reloads_subreg_address): Fail the substitution
11038 if the resulting address is insufficiently aligned.
11040 2001-01-24 DJ Delorie <dj@redhat.com>
11042 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11043 check the original operand's mode also.
11044 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11046 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11048 * c-parse.in (cast_expr): Move compound literals from here ...
11049 (primary): ... to here. Use standard terminology "compound
11050 literal" instead of "constructor expression".
11052 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11054 * gcc.1, cpp.1: Regenerate.
11056 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11058 * calls.c (emit_library_call_value_1): Memory slot for
11059 pass-by-reference argument should have the mode of the argument,
11060 not of the pointer to it.
11062 2001-01-24 Tom Tromey <tromey@redhat.com>
11064 * gcc.texi (G++ and GCC): Mention gcj manual.
11065 (Standards): Link to section of manual mentioning gcj/Java
11068 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11070 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11071 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11072 * tradcpp.c (main): Add -imacros or -include'd dependencies
11074 * cpp.texi (-M, -MM): Document -M -include behaviour.
11076 2001-01-24 Roger Collins <roger@ProProject.com>
11078 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11080 2001-01-24 Will Cohen <wcohen@redhat.com>
11082 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11083 whether registers are 32 bits or 64 bits in size.
11085 2001-01-24 Ben Elliston <bje@redhat.com>
11087 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11089 2001-01-24 Richard Henderson <rth@redhat.com>
11091 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11092 (builtin_longjmp): Use it instead of emit_indirect_jump.
11094 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11096 * bb-reorder.c (make_reorder_chain_1): Handle case where
11097 jump edge goes to the same block as the fallthru edge.
11099 2001-01-23 Jim Wilson <wilson@redhat.com>
11101 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11102 * frame.h (__ia64_personality_v1): Add prototype.
11103 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11104 prototype form. Add void * cast to first argument to personality
11106 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11107 (asctoe113): Likewise.
11108 * config/ia64/frame-ia64.c: Include eh-common.h.
11109 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11111 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11113 (itanium_split_issue): Add prototype.
11114 (gen_nop_type): Ifdef out.
11115 (find_best_packet): Initialize best_packet.
11116 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11118 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11119 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11120 (flushrs): Add explicit stop bit at end.
11121 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11124 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11126 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11128 * libgcc2.c (__terminate_func): Make variable static.
11129 (__terminate_set_func): New function to set __terminate_func.
11130 * libgcc2.h (__terminate_func_ptr): New typedef.
11131 (__terminate_set_func): New function.
11133 2001-01-23 Richard Henderson <rth@redhat.com>
11135 * flow.c (init_propagate_block_info): Don't consider unchanging
11136 memories for dead frame store elimination.
11138 2001-01-23 Richard Henderson <rth@redhat.com>
11140 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11141 * defaults.h: ... here.
11143 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11145 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11147 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11149 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11151 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11153 * rs6000.h (rs6000_return_addr): Move prototype from here...
11154 * rs6000-protos.h (rs6000_return_addr): ...to here.
11155 (rs6000_init_expanders): Delete prototype.
11157 2001-01-23 Nick Clifton <nickc@redhat.com>
11159 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11160 (Spec Files): Document %B and %j and %. and %v3 and %M and
11161 %{S*&T} spec switches.
11163 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11165 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11167 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11168 Neil Booth <neil@daikokuya.demon.co.uk>
11170 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11171 Have -Werror make pedantic warnings errors, like the
11174 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11176 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11178 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11180 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11181 * integrate.c (expand_inline_function): Initialize them.
11182 (subst_constants): If changing COMPARE so that both its arguments
11183 will be VOIDmode and the comparison mode will be lost, note
11184 compare_mode. Use the recorded compare_mode to optimize
11187 2001-01-23 Jason Merrill <jason@redhat.com>
11189 * dwarf2out.c (new_die): Use xcalloc.
11190 (output_die): Abort rather than emit a local reference to offset 0.
11192 2001-01-17 Andrew Haley <aph@redhat.com>
11194 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11195 of a saved register; return NULL instead.
11196 (copy_reg): Take a pointer to a source register rather than a
11198 (next_stack_level): Remember the address in the stack frame of all
11200 Use the saved register pointer array as the source of the CFA.
11201 (throw_helper): Rewrite. Unwind once rather than twice and keep
11202 track of saved registers as we go.
11204 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11206 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11207 * c4x.c (c4x_legitimize_reload_address): Remove.
11208 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11209 reload address for ldp(k) insn.
11211 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11213 * pa.md (return_internal): Add a USE of the PIC register to ensure
11214 it is restored after each call.
11215 (return expander): Corresponding changes.
11217 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11219 * rs6000.h (INIT_EXPANDERS): Delete.
11220 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11221 * rs6000.c (rs6000_override_options): Call *_machine_status from
11223 (rs6000_init_expanders): ...instead of here. Delete.
11224 (rs6000_mark_machine_status): New function.
11225 (rs6000_init_machine_status): Use xcalloc.
11226 (rs6000_return_addr): Generate RTX for the return address.
11227 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11228 (rs6000_stack_info): Use it.
11230 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11232 * gthr-win32.h: Include errno.h to get a declaration for
11233 EINVAL and _mingw.h if the target is mingw32.
11235 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11237 * cpp.texi: Correct typos.
11239 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11241 * explow.c (probe_stack_range): Ensure value passed to
11242 stack_check_libfunc is ptr_mode, not Pmode.
11244 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11246 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11247 case, don't use operand_subword to calculate a SUBREG that is
11250 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11252 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11254 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11255 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11256 valid. If not replace it by equivalent insns.
11258 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11260 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11261 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11262 (c4x_U_constraint, symbolic_address_operand): Likewise.
11263 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11265 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11266 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11267 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11268 anulling slot because of silicon bug.
11269 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11271 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11273 * cppexp.c (parse_charconst): Change `mask' type to agree
11276 2001-01-21 Richard Henderson <rth@redhat.com>
11278 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11279 pic_label_name in a linkonce section.
11281 2001-01-17 Philipp Thomas <pthomas@suse.de>
11283 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11285 * configure: Regenerate.
11287 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11289 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11290 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11292 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11294 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11295 If REVERSE nonzero then condition code in X must be reversed.
11296 (encode_section_info): Optimise if/else.
11297 (avr_function_value): Fix formatting.
11299 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11300 (difficult_branch): Likewise.
11301 (rvbranch): Likewise.
11302 (difficult_rvbranch): Likewise.
11304 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11306 * config/avr/libgcc.S: Fix comment.
11308 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11310 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11312 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11314 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11316 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11318 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11319 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11320 * configure, config.in: Regenerate.
11321 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11322 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11323 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11324 (doprint.o): New rule.
11326 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11328 * c-typeck.c (digest_init): Handle boolean types as scalars.
11330 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11332 * stmt.c (expand_return): Don't return anything if size is zero.
11333 Delete redundant assignment to BYTES.
11334 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11336 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11338 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11339 the same as the default library function names.
11340 * config/avr/avr.md: Document special characters after '%'.
11341 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11342 knowing which of the call-used registers are really clobbered.
11343 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11344 New. Both quotient and remainder from one libgcc.S call.
11345 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11346 clobber as few registers as possible.
11347 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11349 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11351 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11352 context of the top of the stack.
11354 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11356 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11357 (fixup_var_refs_insns): ...here.
11359 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11361 * function.c (fixup_var_refs_insns): Break up into
11362 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11363 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11364 [loop over hash table entries].
11365 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11366 fixup_var_refs_insns_with_hash, to match above changes.
11368 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11370 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11371 (libgcc.a): Likewise.
11372 (stmp-multilib): Likewise.
11373 (STAGE2_FLAGS_TO_PASS): Likewise.
11375 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11377 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11378 temporary if no_new_pseudos.
11380 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11382 * cppinternals.texi: Update.
11384 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11386 * arm.c (arm_init_builtins): Re-enable builtins.
11388 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11390 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11391 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11392 element to be null, and always expect an EXPR_LIST.
11393 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11394 * sched-deps.c (sched_analyze_1): Likewise.
11395 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11397 * regclass.c (max_set_parallel): New variable.
11398 (reg_scan): Take it into account in computation of max_parallel.
11399 (reg_scan_mark_refs, case SET): Compute it.
11401 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11403 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11404 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11406 2001-01-19 Jason Merrill <jason@redhat.com>
11408 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11409 for the abstract instance of an inline function.
11411 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11412 J"orn Rennecke <amylaar@redhat.com>
11414 * reload1.c (move2add_note_store): Treat all registers directly or
11415 indirectly derived from a base register as members of the same set
11417 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11418 of base register into account.
11420 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11422 * alias.c (find_base_value): Recognize TRUNCATE.
11423 (record_set): In PLUS case, invalidate if other summand is also a
11426 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11428 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11429 entry to be EXPR_LIST.
11430 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11431 be an EXPR_LIST (but not null, which other code doesn't allow).
11432 (note_stores): Properly handle PARALLEL in SET.
11433 Recursively call for top-level PARALLEL.
11434 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11435 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11437 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11439 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11441 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11442 not pfile->skipping (== 0).
11444 2001-01-17 Nick Clifton <nickc@redhat.com>
11446 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11449 2001-01-17 Jim Wilson <wilson@redhat.com>
11451 * invoke.texi (IA-64 options): Improve.
11453 2001-01-17 Tom Tromey <tromey@redhat.com>
11455 * invoke.texi (Optimize Options): Use `{}' to around @samp
11458 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11460 * invoke.texi (-fno-guess-branch-probability): New option.
11462 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11464 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11465 case of making new double-word constant.
11466 Revert last change: instead just test i3_subst_into_i2.
11468 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11470 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11471 Use q constraints instead of r.
11473 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11475 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11476 (machine_function): Define.
11477 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11478 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11479 pa_free_machine_status): New functions.
11480 (override_options): Set {init,mark,free}_machine_status to above.
11481 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11482 PIC_OFFSET_TABLE_REGNUM_SAVED.
11483 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11484 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11485 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11486 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11487 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11489 2001-01-15 DJ Delorie <dj@redhat.com>
11491 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11495 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11497 * flow.c (propagate_one_insn): Make trying to delete a prologue
11498 or epilogue insn an ICE, not a warning. Allow doing this if
11499 the current function returns with stack pointer depressed.
11501 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11502 I3 having more than one SET.
11504 2001-01-16 Jim Wilson <wilson@redhat.com>
11506 * invoke.texi: Document IA-64 options.
11508 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11509 (fixup_errata): Delete TARGET_A_STEP use.
11510 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11511 (TARGET_SWITCHES): Delete -ma-step option.
11512 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11513 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11514 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11515 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11516 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11517 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11519 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11520 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11521 cmovsi_internal): Delete ! TARGET_A_STEP check.
11523 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11525 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11526 possibility to report bugs via postal mail. Change a URL and
11527 merge in a nearly duplicate statement...
11528 (Bug Reporting): ...from here.
11529 (Service): Refer to the Bug Reporting section instead of
11530 duplicating an URL.
11531 (Contributing): Remove trivial explanations concerning snapshots.
11533 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11535 * cppmain.c (general_init): Don't use ANSI prototype.
11537 2001-01-16 Tom Tromey <tromey@redhat.com>
11539 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11541 2001-01-16 Richard Henderson <rth@redhat.com>
11543 * config/i386/i386.h: Fix comment typo.
11544 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11545 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11547 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11549 * gcc.c: Revert previous -fsyntax-only-related change; move
11552 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11554 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11555 inmode after checking GET_CODE (op).
11557 2001-01-16 Richard Henderson <rth@redhat.com>
11559 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11560 (MAX_MEM_SET_LIST_LEN): New.
11561 (propagate_one_insn): Update mem_set_list_len.
11562 (invalidate_mems_from_autoinc): Likewise.
11563 (invalidate_mems_from_set): Likewise.
11564 (mark_used_regs): Likewise.
11565 (init_propagate_block_info): Likewise. Stop collecting memories
11566 when we reach MAX_MEM_SET_LIST_LEN.
11567 (mark_set_1): Likewise.
11569 2001-01-16 Richard Henderson <rth@redhat.com>
11571 * unroll.c (precondition_loop_p): Fail if no iteration
11574 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11576 * gcc.c: When -fsyntax-only is given, do not complain about
11579 2001-01-15 Richard Henderson <rth@redhat.com>
11581 * config/i386/i386.c (asm_output_function_prefix): Remove.
11582 (ix86_asm_file_end): New.
11583 (load_pic_register): Generate pic_label_name into a
11584 staticly allocated buffer.
11585 * config/i386/i386-protos.h: Update.
11586 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11587 (ASM_FILE_END): New.
11588 * config/i386/i386afe.h: New file.
11589 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11590 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11591 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11592 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11593 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11594 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11595 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11597 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11599 * Makefile.in (install-man): Remove explicit dependency on
11602 * configure.in, configure: Revert previous patch requiring perl
11605 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11607 * toplev.c (flag_guess_branch_prob): New.
11608 (f_options): Add guess-branch-probability option.
11609 (rest_of_decl_compilation): Only estimate branch probability if
11611 (main): set flag_guess_branch_prob.
11613 * flags.h (flag_guess_branch_prob): New.
11615 2001-01-15 DJ Delorie <dj@redhat.com>
11617 * gcc.texi (Makefile): Add documentation for Makefile targets.
11619 2001-01-15 Philip Blundell <philb@gnu.org>
11621 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11623 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11624 (is_pic): Delete declaration.
11625 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11626 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11627 * config/arm/arm.md (builtin_setjmp_receiver): New.
11629 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11631 * arm.c (use_return_insn): Don't try to determine the function type
11632 until after reload has completed.
11633 (arm_output_epilogue): Don't adjust the sp value recovered from the
11635 (emit_multi_reg_push): Don't record dwarf information for the pc.
11636 * arm.md (eh_epilogue): The function type may have changed, so it
11637 needs to be recalculated.
11638 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11639 unwind tables on arm/netbsd.
11641 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11643 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11644 (negated_cbranchsi4): Likewise.
11646 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11648 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11649 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11650 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11651 pass -mapcs-* options to assembler.
11652 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11653 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11654 (ASM_SPEC): Call subtarget_extra_asm_spec.
11656 2001-01-15 Andreas Jaeger <aj@suse.de>
11658 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11660 (ix86_expand_builtin): Likewise.
11662 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11663 warning about comparison between signed and unsigned.
11665 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11667 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11669 2001-01-14 Ralf Baechle <ralf@gnu.org>
11671 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11672 SUBTARGET_CPP_SPEC apropriatly.
11674 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11676 * varasm.c (make_decl_rtl): Fix typo in last change.
11678 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11680 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11681 linker supports the init_priority C++ attribute.
11682 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11683 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11684 linker does not support init_priority C++ attribute.
11686 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11688 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11690 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11692 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11693 * cp/lex.c (finish_parse): Similarly.
11694 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11695 Return the number of errors encountered.
11696 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11697 * cppmain.c (main): Don't call cpp_destroy.
11699 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11701 * configure.in: Require at least perl 5.6.0 to regenerate
11703 * configure: Regenerate.
11705 2001-01-14 Richard Henderson <rth@redhat.com>
11707 * genrecog.c (DT_veclen_ge): New.
11708 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11709 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11710 (nodes_identical_1): Handle DT_veclen_ge.
11711 (write_cond, debug_decision_2): Likewise.
11713 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11715 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11717 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11719 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11721 * cppmain.c (do_preprocessing): New function; most of the old
11723 (main): Call it to do most of the work.
11724 (cb): Move from global scope to set_callbacks ().
11725 (setup_callbacks): Get the callback pointer.
11726 (general_init, printer_init): Clean up code and comments.
11728 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11730 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11733 2001-01-14 Kazu Hirata <kazu@hxi.com>
11735 * config/h8300/h8300.c (get_shift_alg): Update comments.
11737 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11739 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11740 (alloc_page, ggc_alloc): Add casts to remove warnings.
11742 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11744 * combine.c (simplify_comparison): Don't change `code' when
11745 can't reverse comparison.
11747 2001-01-14 Richard Henderson <rth@redhat.com>
11749 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11750 update all call sites. Return true for all non-label constants.
11752 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11754 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11756 (ix86_expand_branch): Update.
11757 (ix86_expand_setcc): Update to handle multiple test conditions.
11758 (expand_int_movcc): Likewise.
11759 (expand_fp_movcc): Likewise.
11760 * i386-protos.h (ix86_expand_compare): New.
11761 * i386.md (andqi_?_slp, orqi_?_slp): New.
11762 (conditional trap expander): Update call to ix86_expand_compare.
11764 2001-01-14 Richard Henderson <rth@redhat.com>
11766 * config/vax/vax.md: Use nonimmediate_operand instead of
11767 general_operand in destinations.
11769 * config/vax/vax.md (indirect_jump): Use register_operand.
11771 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11772 * config/vax/vax.md (call_pop): Turn into an expander.
11773 (call_value_pop): Likewise.
11774 (call, call_value): New.
11776 2001-01-14 Andreas Jaeger <aj@suse.de>
11778 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11780 (ix86_fp_compare_mode): Add unused attribute.
11781 (ix86_expand_fp_movcc): Remove unused variable.
11782 (ix86_expand_builtin): Make fcode unsigned.
11784 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11785 (expand_expr): Add cast to avoid signed warning.
11786 (store_field): Likewise.
11787 (store_constructor_field): Likewise.
11788 (store_constructor): Likewise.
11789 (store_expr): Likewise.
11790 (clear_storage): Likewise.
11791 (emit_group_store): Likewise.
11792 (emit_group_load): Likewise.
11794 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11796 * c-common.c: Move format checking code to ...
11797 * c-format.c: ... here. New file. Reorder some functions and
11799 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11801 * c-common.h (decl_handle_format_attribute,
11802 decl_handle_format_arg_attribute): Declare.
11803 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11804 (c-common.o): Adjust dependencies.
11805 (c-format.o): New list of dependencies.
11807 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11809 * unroll.c (loop_iterations): If we cannot prove iteration variable
11810 is set once in each iteration, punt.
11812 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11814 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11815 (*strlenhi): Remove clobber (which was buggy) of output address.
11817 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11819 * Makefile.in (generated-manpages): Add gcc.1
11820 ($(srcdir)/gcc.1): New target.
11821 (maintainer-clean): Delete $(srcdir)/gcc.1.
11822 * gcc.texi: Add macros @gccoptlist and @gol.
11823 * invoke.texi: Include option summary in manpage. Mark up option
11824 summary with @gccoptlist and @gol. Use @r in one place where
11826 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11827 * gcc.1: Generate from invoke.texi.
11829 2001-01-13 Richard Henderson <rth@redhat.com>
11831 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11832 (struct page_entry): Add group member.
11833 (struct page_group): New.
11834 (struct globals): Add page_groups member.
11835 (alloc_anon): Only define for using mmap; remove valloc call.
11836 (page_group_index): New.
11837 (set_page_group_in_use): New.
11838 (clear_page_group_in_use): New.
11839 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11840 (free_page, release_pages): Likewise.
11841 * configure.in (with-gc): Default to ggc-page always.
11843 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11845 * reload1.c (replace_pseudos_in_call_usage): Use
11846 reg_equiv_constant and reg_equiv_address, and don't try
11847 regno_reg_rtx first.
11849 2001-01-13 Richard Henderson <rth@redhat.com>
11851 * ggc-page.c (alloc_page): Round up allocation size to one page.
11852 Set e->order on extra pages.
11854 2001-01-13 Richard Henderson <rth@redhat.com>
11856 * genrecog.c (nodes_identical): Expand commentary.
11857 (write_switch): Watch out for identical nodes.
11859 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11861 * cppfiles.c (_cpp_fake_include): New function.
11862 * cpphash.h (_cpp_fake_include): New.
11863 * cpplib.c (do_line): Call _cpp_fake_include when entering
11864 header files in preprocessed input.
11865 * cppmain.c (cb_pragma_implementation): Remove handling.
11866 (setup_callbacks): Don't register pragmas.
11868 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11870 * extend.texi: Udate for CPP.
11872 2001-01-13 Andreas Jaeger <aj@suse.de>
11874 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11876 * regmove.c: Add prototype for replace_in_call_usage.
11878 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11880 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11881 struct cpp_chunk, struct htab, struct toklist,
11882 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11883 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11884 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11885 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11886 (struct macro_args): Delete.
11887 * cpphash.h: See above.
11889 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11891 * cppmain.c (struct printer): Remove no_line_dirs.
11892 (options, cb): New.
11893 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11894 : Use options rather than CPP_OPTION.
11895 (setup_callbacks): Use cb rather than pfile->cb.
11896 (main): No need to check for a buffer. Use cpp_errors.
11897 (printer_init): Don't set no_line_dirs.
11898 (maybe_print_line): Use options not no_line_dirs.
11899 (cb_file_change): Don't call print_line if -P.
11901 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11903 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11905 * c-parse.in (finish_parse): Use cpp_errors.
11906 (__yylex): Use return value of cpp_pop_buffer.
11907 * cp/lex.c (finish_parse): Use cpp_errors.
11908 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11910 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11912 * README.AVR: URLs corrected.
11914 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11916 * c-decl.c (start_function): Don't warn if old prototype is builtin
11917 that's not in C's namespace.
11918 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11919 (_bb): Add prototype for ctime.
11920 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11922 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11924 * i386.c (ix86_fp_comparison_arithmetics_cost,
11925 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11926 ix86_fp_comparison_cost): New functions.
11927 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11928 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11929 two-branch sequences; make static.
11930 (ix86_use_fcomi_compare): Do decision according to the costs.
11931 (split_fp_branch): New.
11932 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11933 * i386-protos.h (ix86_expand_fp_compare): Remove
11934 (ix86_split_fp_branch): Declare.
11936 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11937 and ix86_comparison_operator.
11939 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11940 to make it cheaper.
11942 * i386.c (put_condition_code): Output properly the unordered/ordered
11943 compares in fp case.
11944 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11946 * tm.texi (REVERSE_CONDITION): Document.
11947 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11948 in -ffast-math mode.
11949 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11951 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11953 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11955 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11958 * config/sh/sh.c (mova_p): Fix test for mova_const.
11960 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11962 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11963 cpp_get_options rather than dereferencing pfile and using
11965 * scan-decls.c (scan_decls): Use return value of
11966 cpp_pop_buffer rather than CPP_BUFFER.
11968 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11970 * cppinit.c (cpp_handle_option): help_only is now part of the
11971 cpp_options structure.
11972 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11973 cpp_set_callbacks): New functions.
11974 * cpplib.h (cpp_callbacks): Break out as a named structure.
11975 (cpp_options): Move help_only here from cpp_reader.
11976 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11977 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11978 cpp_set_callbacks): New prototypes.
11979 * cppmain.c (main): Update for help_only.
11981 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11983 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11984 Also build and remove and install and uninstall c-tree.info and
11986 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11987 ($(srcdir)/cppinternals.info): New target.
11988 * c-tree.texi: Change file name used when makeinfo used without -o
11989 from ir.info to c-tree.info. Add info directory entry.
11990 * cppinternals.texi: Add info directory entry.
11991 * .cvsignore: Update.
11993 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11995 * c-typeck.c (store_init_value): Don't require constant initializer
11996 elements with -pedantic -std=c99.
11997 (digest_init): Change error about non-constant initializer elements
11999 (constructor_range_end): Remove.
12000 (constructor_incremental, designator_depth,
12001 designator_errorneous): New variables.
12002 (struct constructor_stack): Remove range_end, add incremental.
12003 (struct constructor_range_stack, constructor_range_stack): New.
12004 (struct initializer_stack): Add constructor_range_stack.
12005 (finish_init): Set it.
12006 (start_init): Likewise. require_constant_elements for non-static
12007 trees only if not flag_isoc99.
12008 (really_start_incremental_init): Remove constructor_range_end, add
12009 constructor_incremental.
12010 (pop_init_level): Likewise.
12011 (push_init_level): Likewise. If implicit and the subobject had some
12012 value set already, preinitialize the level with it.
12013 Warn about missing braces only if not pushing due to designators.
12014 (set_designator, push_range_stack): New functions.
12015 (set_init_label): Use them.
12016 (set_init_index): Likewise. Remove constructor_range_end.
12017 Error if designator index is outside of array bounds.
12018 (add_pending_init): Compare values of purpose index trees, not the
12019 trees themselves. Allow overwriting of already initialized element.
12020 Issue a warning if it had side-effects.
12021 (set_nonincremental_init, set_nonincremental_init_from_string): New
12023 (pending_init_member): Rename to...
12024 (find_init_member): ...this function. Call set_nonincremental_init
12025 if necessary. Compare values of purpose index trees, not the trees
12026 themselves. Return the actual value, not just non-zero if something
12028 (output_init_element): Remove checks for duplicates.
12029 If field has zero size, only check the initializer for correctness.
12030 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12031 if constructor_incremental is zero. Change error about initializers
12032 not computable at load time into pedwarn.
12033 (output_pending_init_elements): Compare bit positions, not
12034 FIELD_DECLs to take into account zero-sized fields.
12035 (process_init_element): Use constructor_range_stack to fill all
12036 ranges in the designator lists from current level up.
12037 * extend.texi: Update documentation for labeled elements.
12039 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12041 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12042 to function usage for arguments passed by reference. Optimize
12043 callee-copied arguments.
12044 * regmove.c (replace_in_call_usage): New function.
12045 (fixup_match_1): Call it.
12046 * cse.c (cse_insn): Canonicalize registers in function usage.
12047 * reload1.c (replace_pseudos_in_call_usage): New function.
12050 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12053 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12055 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12058 2001-01-12 DJ Delorie <dj@redhat.com>
12060 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12061 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12064 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12066 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12067 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12068 -std options alongside references to -ansi. Update some
12069 documentation for C99.
12070 * cpp.1: Regenerate.
12072 2001-01-12 Andreas Jaeger <aj@suse.de>
12074 * haifa-sched.c (restore_line_notes): Remove argument block B
12076 * sched-ebb.c (schedule_ebb): Change caller.
12077 * sched-rgn.c (schedule_region): Likewise.
12078 * sched-int.h (restore_line_notes): Adjust prototype.
12080 * loop.h: Remove wrong declaration of doloop_condition_get.
12082 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12084 * extend.texi: Move C++-extension-related node from the C section
12085 into the C++ section.
12087 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12089 * extend.texi: Refer to an array of pointers to functions instead
12090 of one of functions.
12092 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12093 Jan Hubicka <jh@suse.cz>
12095 * combine.c (reversed_comparison): Fix typo in last patch.
12097 (combine_reversed_comparison_code): Make static to follow
12098 prototype declaration.
12100 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12102 * install.texi: Remove misplaced duplicate entry.
12104 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12106 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12108 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12110 * final.c: (leaf_function_p): Fix typo.
12112 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12114 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12115 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12117 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12118 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12119 mmap_anon, and valloc is available.
12120 * ggc-page.c: Restructure ifdef logic to match new autoconf
12121 spec. Don't throw away the test page in init_ggc.
12123 * configure, config.in: Regenerate.
12125 2001-01-12 Michael Hayes <mhayes@redhat.com>
12127 * loop.h (total_biv_increment): Constify iv_class pointer.
12128 (struct induction): Replace `mem_mode' with `mem' rtx.
12129 * unroll.c (total_biv_increment): Constify iv_class pointer.
12130 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12131 (find_mem_givs, combine_givs_p): Likewise.
12132 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12134 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12136 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12138 (__gthread_getspecific): Ditto.
12140 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12142 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12143 put_condition_code): Convert fp comparison codes to integer
12145 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12148 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12149 * i386-protos.h (no_comparison_operator): Kill.
12151 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12153 * combine.c (REVERSIBLE_CC_MODE): Remove.
12154 (reversible_comparison_p): Remove.
12155 (combine_reversed_comparison_code): New.
12156 (reversed_comparison): New.
12157 (combine_simplify_rtx): Use
12158 combine_reversed_comparison_code/reversed_comparison instead
12159 of reversible_comparison_p.
12160 (simplify_if_then_else): Likewise.
12161 (simplify_set): Likewise.
12162 (simplify_logical): Likewise.
12163 (if_then_else_cond): Likewise.
12164 (known_cond): Likewise.
12165 (simplify_comparison): Likewise.
12167 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12169 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12170 sizeof (int) is larger than sizeof(__word__).
12172 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12174 * cppinit.c (do_includes): Fix typo.
12176 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12178 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12179 in S_REGS does not occur because not all sources are possible
12180 when a S_REGS is a destination (sometimes needs a clobber).
12181 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12182 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12183 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12184 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12185 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12186 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12187 (lshrdi_const1, lshrsi3_const16): Likewise.
12188 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12189 (*movhi_68hc12, *movqi_68hc12): Likewise.
12190 (movstrictqi): Make sure reloading in D_REGS as a destination
12193 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12195 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12197 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12199 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12200 -D, -U and -A, and don't initialize the builtins.
12201 (do_includes): Error if -include or -imacros with -fpreprocessed.
12202 * cppmain.c (cb_define, cb_undef): Unconditionally process
12204 * tradcpp.c (main): Fix typo.
12206 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12208 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12209 (read_name_map): Use IS_ABSOLUTE_PATH.
12210 * tradcpp.c (get_filename): Likewise.
12212 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12214 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12215 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12216 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12217 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12218 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12219 (cmphi_z_used): Don't use '@' for the output.
12220 (tstqi_z_used): Likewise.
12221 (cmpqi_z_used): Likewise.
12222 (one_cmplsi2): Likewise.
12224 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12226 * config/sh/sh.c (barrier_align): Recognize branch around far
12227 branch and redundant insn.
12229 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12231 * invoke.texi: Restore documentation of the drivers' switches -MD
12234 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12236 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12238 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12239 check-objc//%): Support parallel testing of multilibs.
12240 (TESTSUITEDIR): Set to testsuite by default, but override for
12242 (check-gcc, check-g++, check-g77, check-objc): Enter
12245 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12247 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12248 * sched-deps.c (deps_may_trap_p): Likewise.
12249 * basic-block.h: Remove a comment.
12250 * flow.c (PROP_POSTRELOAD): Remove.
12251 (update_life_info): Don't add it to prop_flags.
12252 (mark_set_1): Lose the code that was enabled by it.
12254 2001-01-11 Michael Hayes <mhayes@redhat.com>
12256 * flow.c (flow_call_edges_add): New.
12257 * basic_block.h (flow_call_edges_add): New.
12259 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12261 * reload1.c (move2add_note_store): Update reg_set_luid even if
12262 base reg remains the same.
12264 2001-01-10 Nick Clifton <nickc@redhat.com>
12266 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12267 machine_function structure to zero.
12268 Add prototypes for machine_status functions.
12270 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12272 * c-common.h (CTI_VOID_LIST): Remove.
12273 (void_list_node): Likewise.
12274 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12275 (void_list_node): New macro.
12276 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12277 * config/i386/i386.c (ix86_init_builtins): Likewise.
12278 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12280 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12282 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12283 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12285 * tradcpp.c: Include mkdeps.h.
12286 (deps, print_deps_phony_targets, deps_append, output_deps,
12287 init_dependency_output, output_deps): New.
12288 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12289 deps_output): Delete.
12290 (print_deps_missing_files): Rename deps_missing_files.
12291 (inhibit_output): Make global.
12292 (main): Delete inhibit_output, deps_stream, deps_target.
12293 Use mkdeps functionality in the same way as cpplib. Remove
12294 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12295 -M and -MM. Remove old handling of deps via deps_out, and
12296 old reading of environment variables.
12297 (get_filename): Update to use deps_add_dep.
12299 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12301 * output.h (make_function_rtl): Remove prototype.
12302 (make_decl_rtl): Likewise.
12303 * varasm.c (make_function_rtl): Remove.
12304 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12305 than from a third parameter.
12306 * tree.h (make_decl_rtl): Remove last parameter.
12307 * c-decl.c (builtin_function): Remove last argument in call to
12308 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12309 (start_function): Likewise.
12310 * except.c (call_get_eh_context): Likewise.
12311 * expr.c (emit_block_move): Likewise.
12312 (clear_storage): Likewise.
12313 * profile.c (output_func_start_profiler): Likewise.
12314 * toplev.c (rest_of_decl_compilation): Likewise.
12315 * objc/objc-act.c (create_builtin_decl): Likewise.
12316 (synth_module_prologue): Likewise.
12317 (generate_static_reference): Likewise.
12318 (build_selector_reference_decl): Likewise.
12319 (build_class_reference_decl): Likewise.
12320 (build_objc_string_decl): Likewise.
12321 (build_protocol_reference): Likewise.
12323 2001-01-10 Richard Henderson <rth@redhat.com>
12325 * hwint.h: Revert yesterday's change.
12327 2001-01-10 Nick Clifton <nickc@redhat.com>
12329 * function.h (save_machine_status): Delete.
12330 (restore_machine_status): Delete.
12331 Amend comment describing {init|mark|free}_machine_status.
12333 * function.c (save_machine_status): Delete.
12334 (restore_machine_status): Delete.
12335 Amend comment describing {init|mark|free}_machine_status.
12336 (push_function_context_to): Remove invocation of
12337 save_machine_status.
12338 (pop_function_context_from): Remove invocation of
12339 restore_machine_status.
12341 * emit-rtl.c (init_emit_once): Amend comment describing
12342 {init|mark|free}_machine_status.
12344 * tm.texi (Per-Function Data): New node. Describe the
12345 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12348 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12350 * cppinit.c (OPT_g): Remove.
12351 (cpp_handle_option): Update for removed -g3.
12352 (print_help): Update.
12353 * cpplib.h (struct cpp_options): Remove debug_output.
12354 * cppmain.c (setup_callbacks, cb_define): Update.
12355 * gcc.c (cpp_options): Translate -g3 to -dD.
12357 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12359 * config/i960/i960.md: Change modifier to + on the zero_extract
12360 pattern after the (rotate -2 reg) canonicalization pattern.
12362 2001-01-10 Richard Henderson <rth@redhat.com>
12364 * config/alpha/alpha.c (alpha_free_machine_status): New.
12365 (override_options): Install it.
12366 (alpha_mark_machine_status): Verify machine non-null.
12367 * config/i386/i386.c (ix86_free_machine_status): New.
12368 (override_options): Install it.
12369 (ix86_init_machine_status): Use xcalloc.
12370 (ix86_mark_machine_status): Verify machine non-null.
12371 * config/ia64/ia64.c (ia64_free_machine_status): New.
12372 (ia64_override_options): Install it.
12373 (ia64_mark_machine_status): Verify machine non-null.
12375 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12377 * function.c (instantiate_virtual_regs): Instantiate virtual
12378 registers found in CALL_INSN_FUNCTION_USAGE.
12380 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12382 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12383 equivalent to -ansi in disabling -Di386.
12385 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12387 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12389 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12391 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12393 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12395 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12397 * invoke.texi: Document that -fcond-mismatch isn't supported for
12400 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12402 * gcc.texi: Define macro gcctabopt.
12403 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12404 @command, @env and @option in some places where appropriate. Use
12405 @gcctabopt where appropriate. Put URLs and email addresses inside
12408 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12410 * gcc.c (cpp_options): Set MD file name from output
12411 filename, if specified.
12412 (suffix_subst): New static variable.
12413 (do_spec): Clear it.
12414 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12416 (give_switch): Handle suffix_subst.
12418 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12420 * invoke.texi: Fix another typo.
12422 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12424 * invoke.texi: Fix typo.
12426 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12428 * c-lang.c (lang_hooks): Update.
12429 (lang_decode_option): Remove.
12430 (lang_init_options): Rename c_init_options.
12431 * toplev.c (main): Use lang_hooks for lang_init_options
12432 and lang_decode_option.
12433 * toplev.h (lang_hooks): Add 2 new hooks.
12434 * tree.h: Remove lang_init_options and lang_decode_option.
12435 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12436 * cp/decl2.c: Similarly.
12437 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12438 (lang_hooks): Update.
12439 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12441 (lang_init_options): Rename ffe_init_options.
12442 (lang_hooks): Update.
12443 (lang_decode_option): Remove.
12444 * java/lang.c (lang_init_options): Rename java_init_options.
12445 (lang_decode_option): Rename java_decode_option.
12446 (lang_hooks): Update.
12447 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12448 (lang_decode_option): Rename objc_decode_option.
12449 (lang_hooks): Update.
12451 2001-01-09 Nick Clifton <nickc@redhat.com>
12453 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12454 (d30v_return_addr_rtx): Delete.
12455 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12456 cfun->machine structure.
12457 (struct machine_function): Move to d30v.h
12458 (d30v_save_machine_status): Delete.
12459 (d30v_restore_machine_status): Delete.
12460 (d30v_init_machine_status): New Function.
12461 (d30v_mark_machine_status): New Function.
12462 (d30v_free_machine_status): New Function.
12463 (d30v_init_expanders): Use new functions.
12464 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12465 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12466 d30v_return_addr_rtx.
12468 * config/d30v/d30v.h (struct_machine): Move here.
12469 Add eh_epilogue_sp_ofs field.
12471 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12472 field in cfun->machine structure.
12474 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12476 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12477 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12478 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12480 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12482 * objc/lang-options.h: Remove bogus reference to
12485 2001-01-09 Kazu Hirata <kazu@hxi.com>
12487 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12490 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12492 * reload.c (find_reloads_address): Check for eliminable registers
12493 when substituting a constant expression for a pseudo.
12495 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12497 * c-common.c (enum format_type): Add format_type_error.
12498 (decode_format_type): New function.
12499 (decl_attributes): Use it.
12500 (format_kind_info): Adjust comment.
12502 2001-01-09 David O'Brien <obrien@BSDi.com>
12504 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12505 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12507 * config/i386/gnu.h: Don't include required platform specific .h files,
12508 tm.h will do it instead.
12509 * config/i386/i386elf.h: Likewise.
12510 * config/i386/linux.h: Likewise.
12511 * config/i386/moss.h: Likewise.
12512 * config/mips/gnu.h: Likewise.
12514 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12516 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12517 (rs6000-ibm-aix3.[01]*): Likewise.
12518 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12519 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12520 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12521 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12522 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12523 (powerpc-*-eabiaix*): Likewise.
12524 (powerpc-*-eabisim*): Likewise.
12525 (powerpc-*-elf*): Likewise.
12526 (powerpc-*-eabi*): Likewise.
12527 (powerpc-*-rtems*): Likewise.
12528 (powerpc-*-linux*libc1): Likewise.
12529 (powerpc-*-linux*): Likewise.
12530 (powerpc-wrs-vxworks*): Likewise.
12531 (powerpcle-wrs-vxworks*): Likewise.
12532 (powerpcle-*-sysv*): Likewise.
12533 (powerpcle-*-elf*): Likewise.
12534 (powerpcle-*-eabisim*): Likewise.
12535 (powerpcle-*-eabi*): Likewise.
12536 (powerpcle-*-solaris2*): Likewise.
12537 * config/rs6000/aix31.h: Delete includes.
12538 * config/rs6000/aix3newas.h: Likewise.
12539 * config/rs6000/aix41.h: Likewise.
12540 * config/rs6000/aix43.h: Likewise.
12541 * config/rs6000/beos.h: Likewise.
12542 * config/rs6000/rtems.h: Likewise.
12543 * config/rs6000/sysv4.h: Likewise.
12545 2001-01-09 Kazu Hirata <kazu@hxi.com>
12547 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12548 Change an argument mode of machine_mode to shift_mode of
12549 shift_mode. Remove an extra error check.
12550 (emit_a_shift): Adopt to the new calling prototype of
12552 (function_prologue): Fix code for a monitor
12553 function. Support H8/S.
12554 (function_epilogue): Do not output pop for a monitor function.
12556 2001-01-09 Nick Clifton <nickc@redhat.com>
12558 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12559 (setup_incoming_varargs): Use sysv_varargs_p field of the
12560 cfun->machine structure.
12561 (struct machine_function): Move to rs6000.h
12562 (rs6000_save_machine_status): Delete.
12563 (rs6000_restore_machine_status): Delete.
12564 (rs6000_init_machine_status): New Function.
12565 (rs6000_free_machine_status): New Function.
12566 (rs6000_init_expanders): Use new functions.
12568 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12570 (struct machine_function): Move here.
12572 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12573 sysv_varargs_p field of the cfun->machine structure.
12575 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12577 (rs6000_restore_machine_status): Remove prototype.
12579 2001-01-09 Richard Henderson <rth@redhat.com>
12581 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12582 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12583 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12584 (sched_analyze_2, sched_analyze_insn): Likewise.
12585 (sched_analyze, init_deps): Likewise.
12586 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12587 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12588 (compute_block_backward_dependences): Update propagate_deps call.
12590 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12592 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12594 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12596 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12597 (cpp_handle_option): Handle them.
12598 (cpp_post_options): Ensure one of -M or -MM is specified with
12599 any other -M? option.
12600 (init_dependency_output): Suppress output with -MG.
12602 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12604 * cpp.texi: Update.
12605 * invoke.texi: Update.
12607 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12609 * sh.md (reload_outsf): Generate recognizable patterns for
12612 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12614 * c-lang.c (lang_hooks): Update.
12615 (lang_init): Rename c_init.
12616 (lang_finish): Remove.
12617 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12618 and lang_finish ().
12619 * toplev.h (lang_hooks): Add init () and finish ().
12620 * tree.h (lang_init, lang_finish): Remove.
12621 * cp/tree.h (lang_init, lang_finish): Remove.
12622 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12623 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12625 (lang_init, lang_finish): Remove.
12626 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12627 (lang_hooks): Update.
12628 * java/lang.c (lang_init): Rename java_init.
12629 (lang_finish): Remove.
12630 (lang_hooks): Update.
12631 * objc/objc-act.c (lang_init): Rename objc_init.
12632 (lang_finish): Remove.
12633 (lang_hoooks): Update.
12635 20001-01-09 Graham Stott <grahams@redhat.com>
12637 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12638 after `ptr` is initialised.
12640 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12642 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12643 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12644 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12645 stack adjusts, instead of r3.
12647 2001-01-09 Michael Hayes <mhayes@redhat.com>
12649 * flow.c (flow_loop_scan): Break out of ...
12650 (flow_loops_find) ... here.
12651 * basic-block.h (flow_loop_scan): New.
12652 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12653 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12655 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12657 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12659 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12660 realloc()ing macro_buffer.
12662 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12663 if it's wider than long and the target's long is wider than the
12666 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12668 Remove support for using UWIN as a host machine.
12669 * configure.in: Issue an error message.
12670 * configure: Regenerated.
12671 * config.gcc: Remove xm_* UWIN configury.
12672 * config/i386/xm-uwin.h: Remove.
12674 2001-01-08 Nick Clifton <nickc@redhat.com>
12676 * config/v850/v850.c (ra_rtx): Delete.
12677 (v850_save_machine_status): Delete.
12678 (v850_restore_machine_status): Delete.
12679 (v850_init_machine_status): New function.
12680 (v850_mark_machine_status): New function.
12681 (v850_free_machine_status): New function.
12682 (v850_return_addr): Use ra_rtx field in machine structure.
12683 (v850_init_expanders): Use new functions.
12685 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12686 * config/v850/v850.c: Change arguments to v850_output+* functions
12687 to take a const char *, to avoid compile time warning.
12688 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12689 (USER_LABEL_PREFIX): Redefine.
12691 2000-01-08 Jim Wilson <wilson@redhat.com>
12693 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12694 1 to unsigned HOST_WIDE_INT before left shift.
12696 2001-01-08 Nick Clifton <nickc@redhat.com>
12698 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12699 the machine structure has been allocated.
12700 (arm_free_machine_status): New function: Free the machine
12701 specific function structure.
12703 2001-01-08 Richard Henderson <rth@redhat.com>
12705 * jump.c (simplejump_p): Revert last change.
12707 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12709 * cppinit.c (init): Rename init_library.
12710 (cpp_create_reader): Update.
12711 * gcc.c (cpp_options): If -o given, use it as the target of
12714 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12716 * arm.c (arm_arch5e): New variable.
12717 (all_cores): XScale is a 5TE device.
12718 (arm_override_options): Set arm_arch5e.
12719 (arm_init_builtins): __builtin_prefetch is in arch5e.
12720 * arm.h (arm_arch5e): Declare it.
12722 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12724 * arm.md (define_constants): Add defines for UNSPEC and
12725 UNSPEC_VOLATILE insns. Update all users.
12726 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12727 * arm.c (multi_register_push, note_invalid_constants)
12728 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12729 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12730 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12732 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12734 * jump.c (jump_optimize_1): Use reversed_comparison_code
12735 instead of can_reverse_comparison_p.
12736 (jump_back_p): Likewise.
12737 (invert_exp_1): Likewise.
12738 (thread_jumps): Likewise.
12739 * simplify-rtx.c (simplify_unary_operation): Likewise.
12740 (simplify_ternary_operation): Likewise.
12741 * cse.c (find_comparison_args): Convert to use
12742 can_reverse_comparison_p.
12743 (record_jump_equiv): Likewise.
12745 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12747 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12748 (EPILOGUE_USES): Define.
12749 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12750 automatically stack the LR if it isn't live.
12752 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12754 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12757 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12759 * ggc-page.c (max_alignment): New structure.
12760 (MAX_ALIGNMENT): New macro.
12761 (init_ggc): Use it to round up the sizes in the
12762 extra_order_size_table.
12764 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12766 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12769 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12771 * builtins.def (BUILT_IN_FPRINTF): New entry.
12773 * c-common.c (c_expand_builtin_fprintf): New function.
12774 (init_function_format_info): Handle __builtin_fprintf.
12775 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12776 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12778 * c-decl.c (duplicate_decls): Adjust comment.
12780 * extend.texi (fprintf): Document new builtin.
12782 2001-01-07 Richard Henderson <rth@redhat.com>
12784 * jump.c (simplejump_p): Recognize any single_set jump
12785 of the proper form.
12787 2001-01-07 Richard Henderson <rth@redhat.com>
12789 * configure.in (slibdir): Accept an --with-slibdir option.
12790 Use "test" not "[" in configure. Default to $(libdir).
12792 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12794 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12795 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12796 (SHLIB_LINK): Create links for the soname.
12797 * config/mips/t-iris6: Likewise.
12798 * config/sparc/t-slibgcc: Likewise.
12799 * config/sparc/t-slibgcc-sld: Likewise.
12801 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12803 * config/i386/i386.c (constant_call_address_operand): Accept
12804 (const (plus (symbol_ref) (const_int))).
12805 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12806 constant_call_address_operand.
12808 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12810 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12811 and LONG_LONG_TYPE_SIZE > 32.
12813 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12815 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12816 the previous change.
12818 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12820 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12822 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12823 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12824 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12827 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12829 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12831 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12833 * c-lang.c (c_post_options): Call cpp_post_options.
12834 * objc/objc-act.c (objc_post_options): Similarly.
12835 * cppmain.c (main): Similarly.
12836 * fix-header.c (read_scan_file): Similarly.
12837 * cppinit.c (cpp_start_read): Move option consistency checks
12838 to cpp_post_options. Don't call init_dependency_output.
12839 If needed, add default target and main file dependency.
12840 (OPT_MD, OPT_MMD): Remove.
12842 (cpp_handle_option): Update for OPT_* changes.
12843 (cpp_post_options): New.
12844 (init_dependency_output): Command line -MF overrides environment
12845 variables. Don't set default target etc. Suppress output
12846 if dependencies are going to stdout.
12847 (print_help): Update.
12848 * cpplib.h (cpp_post_options): New.
12849 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12851 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12853 * jump.c (comparison_dominates_p): Support unordered compares.
12855 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12857 * simplify-rtx.c (simplify_relational_operation): Always simplify
12858 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12861 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12863 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12864 (nonzero_bits): Likewise.
12865 (simplify_comparison): Likewise.
12866 (num_sign_bit_copies): Likewise; return more sane value depending
12867 on STORE_FLAG_VALUE.
12868 (known_cond): Do not assume EQ to be always true for equivalent
12871 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12873 * cse.c (fold_rtx): Handle unordered comparisons.
12875 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12877 * rtlanal.c (set_of_1): New static function.
12878 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12879 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12880 reg_set_last_last_regno): Remove.
12881 (set_of): New global function.
12882 (set_of_data): New structure.
12883 (reg_set_p, reg_set_last): Revamp for set_of.
12884 * rtl.h (set_of): New.
12886 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12888 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12889 * extend.texi: Document _Exit builtin.
12891 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12893 * (initialize, initialize_builtins,
12894 initialize_dependency_output, initialize_standard_includes):
12895 Rename s/initialize/init. Update.
12896 (init_dependency_output): Move to after
12897 cpp_handle_options, the correct location temporally at least.
12898 (opt_comp): Move next to init (), its caller. Fix prototype.
12899 (init): Make "initialized" local scope.
12900 (cpp_create_reader): Always call init ().
12901 (cpp_start_read): Update.
12902 (output_deps): New function, broken out of cpp_finish.
12903 (cpp_finish): Break out output_deps.
12905 2001-01-07 Richard Henderson <rth@redhat.com>
12907 * collect2.c (COFF specific stuff): Revert 12-06 patch
12908 to prototype system functions.
12910 2001-01-07 Michael Hayes <mhayes@redhat.com>
12912 * hard-reg-set.h: Add multiple include guard.
12913 * basic-block.h (struct loop): Add `sink' field.
12914 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12915 (emit_iv_add_mult): Delete.
12916 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12917 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12918 (unroll_loop): Remove end_insert_before argument.
12919 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12920 (maybe_eliminate_biv_1): Likewise.
12921 (emit_iv_add_mult): Delete.
12922 (gen_add_mult, loop_regs_update): New.
12923 (loop_insn_emit_after, loop_insn_emit_before): New.
12924 (loop_insn_sink, loop_insn_sink_or_swim): New.
12925 (emit_iv_add_mult): Delete.
12926 (scan_loop): Set loop->sink.
12927 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12928 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12929 (maybe_eliminate_biv_1): Likewise.
12930 (maybe_eliminate_biv_1): Add basic block argument.
12931 * unroll.c (unroll_loop): Remove end_insert_before argument.
12932 (find_splittable_regs): Likewise.
12933 (find_splittable_regs): Use loop_insn_sink and its ilk.
12934 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12936 2001-01-07 Michael Hayes <mhayes@redhat.com>
12938 * loop.h (loop_insn_hoist): New prototype.
12939 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12940 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12941 (check_dbra_loop, load_mems): Likewise.
12942 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12943 (find_splittable_givs): Likewise.
12945 2001-01-07 Michael Hayes <mhayes@redhat.com>
12947 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12949 2001-01-07 Richard Henderson <rth@redhat.com>
12951 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12953 2001-01-07 Richard Henderson <rth@redhat.com>
12955 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12956 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12957 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12958 variant that handles a shared libgcc.
12959 (process_command): Always validate -{static,shared}-libgcc.
12960 (do_spec_1): New 'M' case.
12961 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12963 2001-01-07 Richard Henderson <rth@redhat.com>
12965 * Makefile.in (slibdir): New variable.
12966 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12967 (installdirs): Create slibdir.
12968 (install-libgcc, install-multilib): Defer to libgcc.mk.
12969 * configure.in (slibdir): Substitute.
12970 * mklibgcc.in (install): New target.
12972 * config/t-linux (SHLIB_LINK): Create links for the soname.
12973 (SHLIB_INSTALL): New.
12974 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12975 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12976 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12977 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12978 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12980 2001-01-07 Richard Henderson <rth@redhat.com>
12982 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12983 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12984 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12986 2001-01-07 Michael Hayes <mhayes@redhat.com>
12988 * loop.c (count_loop_regs_set): Delete.
12989 (load_mems_and_recount_loop_regs_set): Delete.
12990 (loop_regs_scan): Merge common code from count_loop_regs_set,
12991 scan_loop, and load_mems_and_recount_loop_regs_set.
12992 (scan_loop): Call load_mems directly and loop_regs_scan
12993 again if new registers created.
12995 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12997 * toplev.c (main): Call the front-end specific post_options
12998 hook if one is given.
12999 * toplev.h (struct_lang_hooks, lang_hooks): New.
13000 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13001 for the C front end.
13002 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13003 lang_hooks for the C++ front end.
13004 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13005 lang_hooks for the ObjC front end.
13006 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13007 * java/lang.c (lang_hooks): Hooks for the Java front end.
13009 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13011 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13012 for verbose DWARF[2] debugging.
13013 (cb_define, cb_undef): The new callbacks.
13014 * toplev.h (debug_define, debug_undef): Make const correct.
13015 * toplev.c (debug_define, debug_undef): Similarly. Do not
13016 perform the verbosity tests here anymore.
13018 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13020 * reload.c (subst_reloads): Take INSN argument. When
13021 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13022 * reload.h (subst_reloads): Adjust prototype.
13023 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13024 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13025 present in JUMP_INSNs and copy them to JUMP_LABEL.
13026 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13027 JUMP_INSNs and insns with REG_LABELs that are followed by
13028 JUMP_INSNs with the same REG_LABEL.
13029 * sched-rgn.c (is_cfg_nonregular): Likewise.
13030 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13032 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13034 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13036 2001-01-06 Richard Henderson <rth@redhat.com>
13038 * loop.c (scan_loop): Use xcalloc for the regs array.
13039 (load_mems_and_recount_loop_regs_set): Zero the new memory
13040 received from xrealloc.
13042 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13044 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13046 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13048 * integrate.c (copy_rtx_and_substitute): When copying
13049 an ignored return value, strip REG_FUNCTION_VALUE_P.
13051 2001-01-06 Michael Hayes <mhayes@redhat.com>
13053 * loop.c (debug_biv, debug_giv): New.
13054 (loop_biv_dump): Break out from ...
13055 (record_biv): ... here.
13056 (loop_giv_dump): Break out from ...
13057 (record_giv): ... here.
13058 (loop_bivs_check): Use print_simple_rtl.
13059 * unroll.c (loop_iterations): Use print_simple_rtl.
13061 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13063 * pa.md (return, return_internal): Modify patterns to prevent regrename
13064 mucking with the return pointer.
13066 2001-01-05 Richard Henderson <rth@redhat.com>
13068 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13070 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13072 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13073 version supplied by Matteo Frigo.
13075 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13077 * cpp.texi: Update for -MQ.
13078 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13079 (cpp_cleanup): Always free pfile->deps.
13080 (initialize_dependency_output): Don't create pfile->deps.
13081 (cpp_handle_option): Similarly.
13083 * gcc.c (cpp_options): Handle -MQ.
13084 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13085 * mkdeps.c (base_name): Remove.
13086 (deps_init): Don't allocate vector space until it's needed.
13087 (deps_free): Only free vectors if allocated.
13088 (deps_add_target, deps_add_dep): Update for initial allocation.
13089 (deps_add_default_target): Don't strip to the base_name.
13091 2001-01-05 DJ Delorie <dj@redhat.com>
13093 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13094 (INIT_EXPANDERS): Define.
13096 * config/v850/v850.c (struct machine_function): Define.
13097 (v850_save_machine_status): New function.
13098 (v850_restore_machine_status): New function.
13099 (v850_return_addr): New function.
13100 (v850_init_expanders): New function.
13102 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13103 and v850_init_expanders.
13105 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13107 * cpplib.h (struct cpp_reader): Add help_only field.
13108 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13109 (cpp_handle_option): Set pfile->help_only if we see -h,
13110 --help, -target-help, or --version. Print version string but
13111 do not set help_only if we see -v or -version. Make text
13112 printed by -v match that printed by (-)-version.
13114 * cppmain.c (main): Exit after option parsing if
13115 pfile->help_only is true.
13117 * toplev.c (independent_decode_option): Call print_version,
13118 then exit, if we see --version (but not -version).
13119 (print_version): Split lengthy message into two lines.
13121 2001-01-05 Nick Clifton <nickc@redhat.com>
13123 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13124 temporary string for initialisation before calling ggc_alloc_string.
13126 2001-01-06 Michael Hayes <mhayes@redhat.com>
13128 * rtl.h (print_simple_rtl): New.
13129 * print-rtl.c (print_simple_rtl): New.
13130 (flag_simple): New.
13131 (print_rtx): Disable printing of flags and modes, etc.,
13132 if `flag_simple` nonzero.
13134 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13136 * function.c (fixup_var_refs): Use push_to_full_sequence where
13139 2001-01-05 Michael Meissner <meissner@redhat.com>
13141 * flags.h (flag_reorder_blocks): Add declaration.
13142 (flag_rename_block): Ditto.
13144 2001-01-05 DJ Delorie <dj@redhat.com>
13146 * function.c (reorder_blocks): Make sure the flags are all reset
13147 before using them to mark blocks, else a second invocation will
13148 corrupt the block chain.
13149 (reorder_blocks_0): New, resets the flags.
13151 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13153 * cse.c (find_comparison_args): Stop if the argument is known to
13156 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13158 * config/sh/sh.md (movdf): When splitting load into pair of
13159 registers, don't clobber the register used in the address too
13162 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13164 * varasm.c (mark_constant_pool): Improve initial comments.
13165 (mark_constants): Move marking of constants to mark_constant.
13166 (mark_constant): New function to recursively mark all constants
13167 referred to by a constant.
13169 2001-01-05 Catherine Moore <clm@redhat.com>
13171 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13173 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13175 * cp/lang-options.h: Bring comment in line with reality.
13176 * f/lang-options.h: Likewise.
13177 * java/lang-options.h: Likewise.
13178 * objc/lang-options.h: Likewise.
13179 * ch/lang-options.h: Likewise.
13180 * f/g77.texi: And update the manual.
13182 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13183 Denis Chertykov <denisc@overta.ru>
13185 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13186 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13187 * config/avr/avr.md (all peepholes that request a scratch register):
13188 Call it, FAIL the peephole if not safe (in interrupt functions).
13190 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13192 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13194 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13196 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13198 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13199 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13200 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13201 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13202 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13204 * extend.texi: Document these builtins.
13206 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13208 * c-common.c (lang_get_alias_set): Say we know nothing of
13209 VECTOR_TYPE aliasing.
13211 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13213 2001-01-05 Bruce Korb <bkorb@gnu.org>
13215 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13216 their x* equivalent versions for atexit-less systems
13217 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13218 systems (or any other system any more).
13220 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13222 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13223 output operands. Use arm_hard_register_operand for operand 4.
13224 (stmsi_postinc): Similarly.
13225 (ldmsi): Use arm_hard_register_operand for opernand 2.
13226 (stmsi): Similarly.
13227 * arm.c (arm_hard_register_operand): New function.
13228 * arm-protos.h (arm_hard_register_operand): Prototype it.
13230 * arm.h (HARD_REGNO_RENAME_OK): Define.
13232 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13234 * simplify-rtx.c (cfc_args): add "unordered" field.
13235 (check_fold_consts): Set unordered field.
13236 (simplify_relational_operation): Simplify the unordered
13239 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13242 * emit-rtl.c (try_split): Fix code to mark labels.
13243 * jump.c (mark_jump_label): Make global.
13244 * rtl.h (mark_jump_label): Declare.
13246 * predict.c (estimate_probability): Handle unordred comparisons.
13248 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13250 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13251 * cppinit.c (initialize_dependency_output): Update.
13252 (cpp_finish): Output dummy targets for -MP.
13254 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13255 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13256 * gcc.c (cpp_options): Update to handle -MP.
13257 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13258 to quote only the default target.
13259 (deps_phony_targets): Insert a preceding newline. Rename from
13260 deps_dummy_targets for consistency.
13263 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13265 * calls.c (emit_library_call_value_1): Support
13266 INIT_CUMULATIVE_LIBCALL_ARGS.
13267 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13269 2001-01-04 Richard Henderson <rth@redhat.com>
13271 * c-decl.c (finish_struct): Detect flexible array members
13272 used in an inappropriate context.
13273 * c-typeck.c (really_start_incremental_init): Special case
13274 constructor_max_index for zero length arrays.
13275 (pop_init_level): Allow initialization of flexible array
13276 members. Deprecate initialization of zero length arrays.
13277 Don't issue missing initializer warning for flexible array
13278 members or zero length arrays.
13279 (process_init_element): Don't dereference null DECL_SIZE.
13280 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13281 Don't abort for empty constructors. Use size_binop
13282 (output_constructor): Add commentary regarding zero length
13283 array futures. Abort if we try to initialize an array of
13284 unspecified length with a non-empty constructor in the middle
13287 * extend.texi (Zero Length): Update and clarify documentation
13288 on static initialization.
13290 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13292 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13293 with more than 32767 words of local storage.
13295 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13297 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13298 for 'abs', 'labs', and 'fabs'.
13299 (c4x_expand_builtin): Likewise.
13300 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13302 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13304 * config/sh/sh.md (prget, prset): New insn types.
13305 (return delay slot): Dont' allow prset.
13306 (call, sfunc delay slot): Don't allow prget.
13307 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13308 for prset and prget.
13310 2001-01-05 Michael Hayes <mhayes@redhat.com>
13312 * loop.h (struct loop_reg): New.
13313 (struct loop_regs): Change to use array of `struct loop_reg'.
13314 * loop.c: Replace assortment of varrays with single regs array.
13315 (count_one_set): Delete may_not_move array argument
13316 and use regs array instead. All caller's changed.
13317 (count_loop_regs_set): Delete may_not_move and single_usage
13318 arguments and use regs array instead. All caller's changed.
13319 (find_single_use_in_loop): Replace usage array argument with pointer
13320 to regs structure. All caller's changed.
13321 (loop_optimize): Delete `moved_once' array.
13323 2001-01-05 Michael Hayes <mhayes@redhat.com>
13325 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13326 Use it instead of loop_info->has_call for scanning loop mems.
13327 (check_dbra_loop): Replace loop_info->has_call test with
13328 loop_info->has_nonconst_call.
13330 2000-01-04 Matthew Hiller <hiller@redhat.com>
13332 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13335 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13337 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13338 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13340 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13342 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13343 (flag_short_double, flag_short_wchar): Define.
13344 (c_common_nodes_and_builtins): Create many tree nodes shared
13345 between C and C++ here instead of in cp/decl.c and ...
13346 * c-decl.c (init_decl_processing): ... here.
13347 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13348 (flag_short_double, flag_short_wchar): Don't define.
13349 (record_builtin_type): New function.
13350 (build_void_list_node): New function.
13351 * c-common.h (flag_short_double, flag_short_wchar,
13352 record_builtin_type, build_void_list_node): Declare.
13354 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13356 * integrate.c (expand_inline_function): Don't put a virtual
13357 register into the reg map.
13359 * function.c (fixup_var_refs_1): If force_operand didn't put
13360 the address into the target, move it there.
13362 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13364 Special-case tree_decl/tree_list allocations.
13365 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13366 (OBJECT_SIZE): New macro.
13367 (NUM_EXTRA_ORDER): Likewise.
13368 (extra_order_size_table): New variable.
13369 (NUM_ORDERS): New macro.
13370 (objects_per_page_table): New variable.
13371 (object_size_table): New variable.
13372 (G.pages): Use NUM_ORDERS to bound the array.
13373 (G.page_tails): Likewise.
13374 (DIV_ROUND_UP): Remove.
13375 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13376 (alloc_page): Use OBJECT_SIZE.
13377 (size_lookup): Don't make it const.
13378 (ggc_alloc): Use OBJECT_SIZE.
13379 (ggc_set_mark): Likewise.
13380 (ggc_get_size): Likewise.
13381 (init_ggc): Set up the object_size_table, objects_per_page_table,
13382 and adjust size_lookup.
13383 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13384 (ggc_pop_context): Use NUM_ORDERS.
13385 (clear_marks): Likewise.
13386 (sweep_pages): Likewise.
13387 (poison_pages): Likewise.
13388 (ggc_print_statistics): Use OBJECT_SIZE.
13390 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13392 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13393 Only call array_size_for_constructor if last field and array type
13394 with no upper bound.
13396 2001-01-04 Philip Blundell <philb@gnu.org>
13398 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13399 from bit 31 downwards, if this requires no more insns.
13400 (count_insns_for_constant): New helper function for above.
13402 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13404 * gencodes.c (output_predicate_decls): Remove empty initializer.
13406 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13408 * tree.c (copy_node): Remove documentation about obstacks.
13409 (buidl1): Check that nobody tries to build 2-argument nodes this
13412 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13414 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13417 * gencodes.c (output_predicate_decls): Fill empty initializer
13420 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13422 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13423 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13425 (do_include): Handle missing headers like cpp0.
13426 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13427 paths with first include pathname. Don't strcat to uninitialized
13430 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13432 * regrename.c (regrename_optimize): Don't rename from frame pointer
13433 if frame_pointer_needed.
13434 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13435 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13436 (ia64_reorg): Use it instead of scheduling if ! optimize.
13437 (errata_emit_nops): Properly call asm_noperands.
13438 (ia64_sched_reorder): Finish cycle if we see an asm.
13439 (ia64_variable_issue): Clear scheduling state after asms.
13441 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13443 * cpp.texi: Update for -MT.
13444 * cppinit.c (initialize_dependency_output): Add a default
13445 target if none has been given already.
13446 (no_tgt, OPT_MT): New.
13447 (cpp_handle_option): Handle -MT. Update -M etc.
13448 * cpplib.h (struct cpp_options): Remove deps_target.
13449 * gcc.c (cpp_options): Handle -MT.
13450 * mkdeps.c (struct deps): Move from mkdeps.h.
13451 (deps_calc_target): Rename deps_add_default_target. Add a
13452 default target if none has been specified already.
13453 * mkdeps.h (struct deps): Move to mkdeps.c.
13454 (deps_calc_target): Rename deps_add_default_target.
13456 2000-01-03 Richard Henderson <rth@redhat.com>
13458 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13460 * c-typeck.c (push_init_level): Move checks for flexible array
13461 members and zero length arrays ...
13462 (pop_init_level): ... here. Silently discard empty initializations.
13464 * varasm.c (output_constructor): Update for sizeof change to
13465 zero-length arrays.
13467 * extend.texi (Zero Length): Clarify semantics.
13469 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13471 * configure.in (tm.h): Include isns-codes.h last.
13472 * configure: Rebuilt.
13474 2001-01-03 Richard Henderson <rth@redhat.com>
13476 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13477 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13479 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13481 * tradcpp.c (main): Make sure finclude() is called with a valid
13482 indepth value while handling -include.
13484 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13486 * gencodes.c (output_predicate_decls): New function.
13488 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13489 even if it is not the first time machmode.h is #included.
13490 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13491 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13492 * gcc.texi (Copyright): Added 2001.
13494 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13496 * c-common.c (c_common_lang_init): New function. Warn if format
13497 warning options which only have effects when used with -Wformat
13498 are used without -Wformat.
13499 * c-common.h (c_common_lang_init): Declare.
13500 * c-lang.c (lang_init): Call c_common_lang_init.
13501 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13503 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13505 * configure.in: Check for the mktemp command.
13506 * configure: Regenerate.
13507 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13508 $TEMP. Create temporary files with mktemp, if available at
13509 configure time; otherwise use set -C. Remove temporary files
13512 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13514 * configure.in: Require at least texinfo 4.0. Check for whether
13515 Pod::Man is sufficiently recent to regenerate GCC manpages.
13516 * configure: Regenerate.
13517 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13519 (GENERATED_MANPAGES): Define.
13520 (generated-manpages): New target. Depend on cpp.1 as well as
13522 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13523 configure to generated-manpages or empty) rather than on the
13524 manpages directly. Remove execute permission from installed
13525 gcov.1 as well as cpp.1.
13526 * cpp.1, gcov.1: Regenerate.
13528 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13530 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13531 tree_low_cst. Allow using cmpstrsi in more cases.
13533 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13535 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13538 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13540 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13541 * Makefile.in (HOST_CFLAGS): Mention build-make.
13543 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13545 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13548 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13550 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13553 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13556 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13557 reg_base_value and reg_known_value arrays.
13558 (init_alias_analysis): Add more cases to detect known values.
13559 * sched-deps.c (deps_may_trap_p): New function.
13560 (sched_analyze_2): Use it.
13562 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13564 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13565 don't discard an ASHIFTRT if we're shifting in a wider mode.
13567 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13569 * toplev.c (rest_of_compilation): Don't print basic block information
13570 when CFG isn't up to date.
13572 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13574 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13575 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13576 (UNALIGNED_SHORT_ASM_OP): Define.
13577 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13579 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13581 * fold-const.c (fold_convert): Fix typo.
13583 2001-01-02 Richard Henderson <rth@redhat.com>
13585 * c-common.h (ASM_INPUT_P): New.
13586 * c-parse.in (asm): Set it when needed.
13587 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13588 existance of an operand.
13590 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13592 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13593 (dwarf2out_frame_debug_expr): Likewise.
13594 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13596 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13598 * i386.c (ix86_split_to_parts): Return number of part required;
13600 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13602 (ix86_split_long_move): Use number of part returned
13603 by ix86_split_to_parts
13604 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13606 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13607 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13608 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13609 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13610 (ALIGN_MODE_128): Add TFmode.
13611 (IS_STACK_MODE): Likewise.
13612 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13613 (HARD_REGNO_OK): Support TFmodes.
13614 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13615 * i386.md (scheduler definitions): Use memory operand to determine
13616 fst/fld instructions; use mode attribute to determine real mode of
13618 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13619 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13621 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13623 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13625 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13627 * expr.c (store_constructor_field): Update ALIGN before calling
13630 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13632 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13635 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13637 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13640 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13642 * c-decl.c (start_function): Don't warn on third parameter to main.
13644 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13646 * tsystem.h: Define HAVE_DECL_GETOPT.
13648 2001-01-02 Philip Blundell <pb@futuretv.com>
13650 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13653 2001-01-02 Richard Henderson <rth@redhat.com>
13655 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13657 2001-01-02 Andreas Jaeger <aj@suse.de>
13659 * c-decl.c (c_decode_option): Remove support of
13660 -Wmissing-noreturn.
13662 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13663 (W_options): Add -Wmissing-noreturn here.
13665 * flow.c: Define lang_missing_noreturn_ok_p.
13666 (check_function_return_warnings): Use it.
13668 * c-common.h: Declare lang_missing_noreturn_ok_p.
13670 * c-lang.c (c_missing_noreturn_ok_p): New function.
13671 (lang_init): Set lang_missing_noreturn_ok_p.
13673 * invoke.texi (Warning Options): Document this.
13675 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13677 * extend.texi (C++ Extensions): New node for C++ attributes;
13678 describe init_priority and com_interface.
13679 * invoke.texi: Remove -finit-priority as it now has zero effect.
13680 * install.texi: Fix xref syntax.
13681 * md.texi: Likewise.
13683 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13685 * config.gcc (sparc64-wrs-vxworks*): New case.
13686 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13688 * config/sparc/sparc.c (sparc_override_options): Do support different
13689 pointer and architecture size.
13690 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13691 (POINTERS_EXTEND_UNSIGNED): Define.
13692 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13693 (FUNCTION_MODE): Define to be Pmode.
13694 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13696 * function.c (expand_function_end): Properly handle DECL_RESULT
13697 and copy when ptr_mode != Pmode.
13698 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13700 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13702 * c-common.c (c_common_nodes_and_builtins): Set prototype
13703 parameters for __builtin_fputs, __builtin_fputc and
13704 __builtin_fwrite. Don't declare plain fputc as a builtin.
13706 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13708 * loop.c (add_label_notes): Increment the label usage count when
13709 a note is added to an insn which refers to a CODE_LABEL.
13710 * gcse.c (add_label_notes): Likewise.
13712 2001-01-01 Andreas Jaeger <aj@suse.de>
13714 * loop.c (scan_loop): Use xmalloc to allocate movables.
13716 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13718 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13719 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13720 * reload1.c (REGISTER_MOVE_COST): Likewise.
13721 * regclass.c (REGISTER_MOVE_COST): Likewise.
13722 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13723 dimension. Adjust all users.
13724 (init_reg_sets_1): Iterate on all modes.
13725 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13726 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13727 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13728 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13729 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13730 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13731 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13732 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13733 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13734 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13735 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13736 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13737 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13738 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13739 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13740 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13741 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13742 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13743 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13744 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13745 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13746 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13747 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13748 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13749 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13750 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13751 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13753 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13755 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13756 arg VARIES_P. Call it with extra arg.
13757 (true_dependence): Likewise.
13758 * rtl.h (rtx_addr_can_trap_p): Declare.
13759 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13761 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13762 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13763 pic offset table register if it's zero. All callers changed.
13764 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13766 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13768 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13769 STRING_POOL_ADDRESS_P.
13771 * config/sparc/sparc.c (input_operand): Properly test for short op.
13773 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13774 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13775 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13776 * config/sparc/elf.h: No longer include sol2.h.
13777 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13778 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13780 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13782 2001-01-01 Michael Hayes <mhayes@redhat.com>
13784 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13785 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13786 (record_initial): Likewise.
13787 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13788 (remap_split_bivs): Likewise.
13790 2001-01-01 Michael Hayes <mhayes@redhat.com>
13792 * loop.c (loop_ivs_free): New function.
13793 (strength_reduce): Break out from...
13795 2001-01-01 Michael Hayes <mhayes@redhat.com>
13797 * loop.h (struct iv): New.
13798 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13799 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13800 'reg_biv_class' fields with 'regs' and 'n_regs'.
13801 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13802 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13803 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13805 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13807 * resource.c (mark_referenced_resources): Abort() before
13808 attempting to mark a pseudo register.
13809 (mark_set_resources): Likewise.
13811 2001-01-01 Michael Hayes <mhayes@redhat.com>
13813 * loop.h (REG_IV_CLASS): New accessor macro.
13814 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13815 * unroll.c (REG_IV_CLASS): Likewise.
13817 See ChangeLog.4 for earlier changes.