1 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
3 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
4 instead of const1_rtx for true case.
6 2001-06-22 David Mosberger <davidm@hpl.hp.com>
8 * config/ia64/crtfastmath.c: New file.
9 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
10 * config/ia64/linux.h (ENDFILE_SPEC): New.
12 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
14 * config/h8300/h8300.c (asm_file_start): Remove reference to
17 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
19 * c-common.c (verify_tree): Check for x being NULL.
20 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
24 2001-06-22 DJ Delorie <dj@redhat.com>
26 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
27 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
28 (arm_return_addr): Use get_hard_reg_initial_val et al.
29 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
30 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
31 (d30v_return_addr): Use get_hard_reg_initial_val et al.
32 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
33 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
35 (rs6000_mark_machine_status): Remove.
36 (rs6000_return_addr): Use get_hard_reg_initial_val.
37 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
38 * config/v850/v850.h (INIT_EXPANDERS): Delete.
39 * config/v850/v850.c (struct machine_function): Delete.
40 (v850_init_machine_status): Delete.
41 (v850_mark_machine_status): Delete.
42 (v850_free_machine_status): Delete.
43 (v850_return_addr): Use get_hard_reg_initial_val.
44 (v850_init_expanders): Delete.
46 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
48 * predict.c (estimate_bb_frequencies): Do not handle conditional
49 jumps jumping to fallthru basic block as conditional jumps.
51 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
53 * regs.h (struct reg_info_def): Add freq field.
54 (REG_N_REFS): Update comment.
56 * regclass.c (scan_one_insn): Update REG_FREQ.
57 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
58 (attempt_auto_inc): Likewise.
59 (mark_used_reg): Likewise.
60 (try_pre_increment_1): Likewise.
61 * local-alloc.c (struct qty): Add freq field.
62 (alloc_qty): Set freq.
63 (update_equiv_regs): Set REG_FREQ.
64 (QTY_CMP_PRI): Use freq.
65 (combine_regs): Update qty->freq.
66 * global.c (struct allocno): Update comment for n_refs;
68 (local_reg_freq): New array.
69 (global_alloc): Update freq field;
70 allocate and initialize local_reg_freq.
71 (allocno_compare): Use freq field.
73 * reload1.c (count_pseudo): Use freq isntead of n_refs.
74 (count_spilled_pseudo): Likewise.
76 * tm.texi (GCOV_TYPE_SIZE): Document.
77 * basic-block.h (gcov_type): Define.
78 (struct edge_def): Use gcov_type for count field.
79 (struct basic_block_def): Likewise.
80 * defaults.h (GCOV_TYPE_SIZE): Define.
81 * final.c (end_final): Use GCOV_TYPE_SIZE.
82 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
83 using HOST_WIDEST_INT_PRINT_DEC.
84 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
85 __write_gcov_type): New.
87 * gcov.c (gcov_type): Set default.
88 (struct adj_list): Use gcov_type for arc_count.
89 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
90 (create_program_flow_graph): Read arc_count properly.
91 (solve_program_flow_graph): 'total' is gcov_type.
92 (output_data): Line_counts is gcov_type, print it properly.
93 * libgcc2.c (struct bb): Counts is gcov_type.
94 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
95 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
96 (GCOV_TYPE_SIZE): Define.
97 (struct bb_info): succ_count and pred_count is gcov_type.
98 (compute_branch_probabilities): Use __read_gcov_type,
99 print read edges to the dump file.
100 (total): Is gcov_type.
101 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
103 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
105 * optabs.c (emit_libcall_block): When using non-call exceptions,
106 don't mark libcalls never throwing.
108 2001-06-21 Stan Shebs <shebs@apple.com>
110 * objc/objc-act.c (hash_init): Use xcalloc.
112 2001-06-21 Richard Henderson <rth@redhat.com>
114 * flow.c (entry_exit_blocks): Initialize frequency.
115 (split_block): Copy it.
116 (dump_flow_info): Dump it.
118 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
120 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
121 from machine-depedent_reorg for purposes of alignment supression
122 when no delay slot insn has been added.
124 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
126 * cppmacro.c (make_string_token): Null terminate.
128 2001-06-21 DJ Delorie <dj@redhat.com>
130 * config/alpha/alpha.h (struct machine_function): Remove.
131 * config/alpha/alpha.c (integrate.h): Include.
132 (override_options): Don't set up machine_status hooks.
133 (alpha_init_machine_status): Remove.
134 (alpha_mark_machine_status): Remove.
135 (alpha_free_machine_status): Remove.
136 (alpha_return_addr): Use get_hard_reg_initial_val.
137 (alpha_gp_save_rtx): Likewise.
138 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
140 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
142 * config/sh/sh.md (interrupt_function): Use
143 current_function_interrupt.
144 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
145 an interrupt function.
147 * config/sh/sh.h (current_function_interrupt): Define extern.
149 * config/sh/sh.c (current_function_interrupt): New global.
150 (sh_expand_prologue): Set current_function_interrupt.
152 2001-06-21 Phil Edwards <pme@sources.redhat.com>
154 * doc/install.texi: Add 'c' to list of --enable-languages choices.
156 2001-06-21 DJ Delorie <dj@redhat.com>
158 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
160 * integrate.c (ggc.h): Include.
161 (initial_value_pair, initial_value_struct,
162 setup_initial_hard_reg_value_integration): Add prototypes.
163 (expand_inline_function): Call
164 setup_initial_hard_reg_value_integration.
165 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
166 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
167 to keep track of values present at the start of a function.
168 (mark_hard_reg_initial_vals): New, for gc.
169 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
170 mappings for initial values.
171 (emit_initial_value_sets): New. Emits code to set initial value
173 * integrate.h: Add prototypes for new functions.
174 * function.h (struct function): Add hard_reg_initial_vals field.
175 * function.c (integrate.h): Include.
176 (mark_function_status): Call
177 mark_hard_reg_initial_vals.
178 * toplev.c (integrate.h): Include.
179 (rest_of_compilation): Call emit_initial_value_sets.
181 2001-06-21 Stan Shebs <shebs@apple.com>
183 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
184 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
185 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
186 everywhere instead of "Objective C".
188 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
190 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
191 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
192 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
193 "back end" as nouns and "front-end" and "back-end" as adjectives.
195 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
197 * predict.c (estimate_probability): Fix loop bounds.
199 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
201 * toplev.c (rest_of_compilation): Run mark_constant_function
204 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
206 * predict.c (estimate_loops_at_level, propagate_freq
207 estimate_bb_frequencies, count_to_freqs): New functions.
208 (estimate_probability): Call estimate_bb_frequencies.
209 * basic-block.h (basic_block_def): Add field "freq".
210 (BB_FREQ_MAX): New constant.
212 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
214 * sh.c (barrier_align): Don't ask for alignment when seeing a
215 branch-around-a-jump from machine_dependent_reorg.
217 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
219 * ssa.c (rename_block): Update parameter to remove_phi_alternative
220 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
221 re-running life analysis.
223 2001-06-20 Stan Shebs <shebs@apple.com>
225 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
226 also use memset to clear the hash tables.
227 (hash_enter): Assume xmalloc always succeeds.
228 (hash_add_attr): Ditto.
229 (continue_class): Ditto.
231 2001-06-20 Michael Meissner <meissner@redhat.com>
233 * builtins.c (predict.h): Include.
234 (expand_builtin_expect): Update comment.
235 (expand_builtin_expect_jump): New function to expand
236 __builtin_expect inside of a conditional jump expansion.
238 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
239 __builtin_expect (<test>, 1).
241 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
243 * rtl.h (expand_builtin_expect_jump): Add prototype.
245 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
247 * doc/rtl.texi (Machine Modes): Correct description of
248 floating-point modes on machines with non-8-bit bytes.
250 2001-06-19 Bernd Schmidt <bernds@redhat.com>
252 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
253 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
256 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
258 * ssa.c (remove_phi_alternative): Remove declaration. No longer
259 static. Second argument is a pointer to a basic block structure,
260 not a basic block index.
261 (convert_to_ssa): Do not remove dead code.
262 (convert_from_ssa): Do not remove dead code to create death notes.
263 * ssa.h (remove_phi_alternative): Declare.
265 * flow.c (delete_unreachable_blocks): Fix patch error in
266 previous change (call to find_unreachable_blocks was lost).
268 * ssa.c (ssa_uses): Remove definition.
269 (apply_delayed_renames): Don't grow ssa_uses.
270 (rename_block): Remove comment related to ssa_uses.
271 (rename_registers): Do not initialize ssa_uses.
272 (convert_from_ssa): Do not free ssa_uses.
274 * ssa-dce.c: Renamed from dce.c.
275 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
276 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
279 2001-06-19 Eric Christopher <echristo@redhat.com>
281 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
282 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
283 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
285 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
287 * sh.c (output_branch): Delete bogus code.
289 * sh.c (initial_elimination_offset):
290 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
292 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
294 * flow.c (find_unreachable_blocks): New function.
295 (delete_unreachable_blocks): Use find_unreachable_blocks.
296 * basic-block.h (find_unreachable_blocks): Declare.
298 * dce.c (eliminate_dead_code): Fix formatting glitch.
300 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
302 * c-common.h (RETURN_NULLIFIED_P): New macro.
303 * c-semantics.c (genrtl_return_stmt): Check it.
305 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
306 (emit_block_move): Likewise.
308 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
310 * unroll.c: Include predict.h.
311 (unroll_loop): Drop prediction notes on preconditioning.
312 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
313 New; add comments on the others.
314 * Makefile.in: (unroll.o): Add dependancy on predict.h.
315 * loop.c (strength_reduce): Fix branch prediction.
317 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
319 * stmt.c (emit_case_nodes): Optimize test whether index is in given
322 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
324 * predict.c (estimate_probability): Do not bail out early
325 when note is present.
326 (combine_predictions_for_insn): Fix note removal code.
328 2001-06-18 Ben Elliston <bje@redhat.com>
330 * except.c (resolve_fixup_regions): Initialise "cleanup".
332 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
334 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
336 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
338 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
339 use put_var_into_stack.
341 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
343 * gccspec.c (lang_specific_driver): If compiling ObjC, add
344 -shared-libgcc when necessary.
345 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
347 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
349 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
350 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
351 bitmap_last_set_bit. All for compatibility with sbitmap's.
353 *bitmap.c (bitmap_zero): New function.
354 (bitmap_union_of_diffs): New function.
355 (bitmap_first_set_bit): New function.
356 (bitmap_last_set_bit): New function.
358 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
360 * cpp.texi, invoke.texi: Update.
361 * cpp.1, gcc.1: Regenerate.
363 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
365 * i386.md (minsf): Fix splitter. (PR fortran/3191)
367 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
369 * doc/cpp.texi: Update.
370 * doc/cpp.1: Regenerate.
372 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
374 * doc/install.texi: Use correct markup hints.
376 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
378 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
380 * explow.c (expr_size): If DECL and size specified, use it.
382 2001-06-15 Zack Weinberg <zackw@stanford.edu>
384 * doc/cpp.texi: Formatting corrections.
385 Correct buggy example of use of __GNUC__ etc.
386 Clarify $ in identifiers.
387 * doc/cpp.1: Regenerate.
389 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
391 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
393 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
395 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
397 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
398 Added Tru64 UNIX V5.1 bootstrap hints.
399 (Specific, alpha*-*-osf*): Removed old section, obsolete.
401 2001-06-15 Andreas Jaeger <aj@suse.de>
403 * doc/install.texi (Specific): Mention that glibc cannot be
404 compiled with GCC 3.0.
406 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
408 * combine.c (nonzero_bits): Don't optimize away division by
411 2001-06-15 Zack Weinberg <zackw@stanford.edu>
413 * doc/cpp.texi: Revised and brought up to date.
414 * doc/cpp.1: Regenerate.
416 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
418 * doc/install.texi: Update --enable-threads to match reality.
420 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
422 * doc/install.texi: Update for C4x.
423 * README.C4X: Remove.
425 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
427 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
428 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
429 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
430 Consistently use "built-in" and "bit-field". Minor logical markup
432 * doc/gcc.1: Regenerate.
434 2001-06-14 Richard Henderson <rth@redhat.com>
436 * config/mips/mips.md (exception_receiver): New.
438 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
440 * doc/gcc.texi: Update passes documentation to be more in tune
443 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
445 * i386.c (ix86_expand_prologue): Fix merging conflict.
447 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
449 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
450 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
451 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
452 logical markup. Use TeX quotes and dashes. Use @dots{} and
453 @minus{}. Avoid spaces inside @var. Update last modification
455 * doc/gcc.1, doc/gcov.1: Regenerate.
457 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
459 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
460 x86_epilogue_using_move): New global variables.
461 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
462 (ix86_emit_save_regs_using_mov): New static function.
463 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
464 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
465 MASK_MIX_SSE_I387): Renumber.
466 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
467 (x86_accumulate_outgoing_args, x86_prologue_using_move,
468 x86_epilogue_using_move): Declare.
469 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
471 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
473 * inclhack.def (hpux10_cpp_pow_inline): New hack.
475 2001-06-13 Richard Henderson <rth@redhat.com>
477 * ifcvt.c (dead_or_predicable): Fix return value last patch.
479 2001-06-13 Mark Mitchell <mark@codesourcery.com>
483 2001-06-13 Richard Henderson <rth@redhat.com>
485 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
486 (cond_exec_process_if_block, dead_or_predicable): Likewise.
488 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
490 * mips-tfile.c (copy_object): Always pass indexNil for symbol
493 2001-06-13 Kazu Hirata <kazu@hxi.com>
495 * config/h8300/h8300.h (OK_FOR_T): Remove.
496 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
497 * config/h8300/h8300.md: Remove alternatives involving inc and dec
498 in the helper patterns for addhi3 and addsi3.
500 2001-06-13 Phil Edwards <pme@sources.redhat.com>
502 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
504 2001-06-13 Zack Weinberg <zackw@stanford.edu>
506 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
507 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
509 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
510 config/alpha/t-osf4, config/mips/t-iris6: Extract all
511 references to @shlib_map_file@, @shlib_objs@, or
512 @shlib_base_name@ to Makefile variables.
513 Bump soname version of libgcc to 1.
515 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
517 * doc/install.texi: Use more logical markup. Include @node
518 commands in the source when generating any non-HTML.
520 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
522 * README: Remove. Some of the contents moved to ../README.
524 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
526 * doc/install.texi (--enable-shared): List package names
529 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
531 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
532 (*-*-solaris*): Document problem in /bin/sh that affects
533 configuring libraries.
534 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
535 (*-sun-solaris2.8): Document linker problem that explains why
536 libjava is disabled by default.
538 2001-06-09 Mark Mitchell <mark@codesourcery.com>
541 * toplev.c (rest_of_compilation): Remove dead code before
544 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
547 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
548 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
549 * configure: Rebuilt.
551 2001-06-12 Jim Wilson <wilson@redhat.com>
553 * loop.c (strength_reduce): Move bl->all_reduced set before
554 check_ext_dependant_givs call.
555 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
557 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
559 * doc/extend.texi (Function Attributes): Document SH's sp_switch
562 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
564 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
567 2001-06-12 Richard Henderson <rth@redhat.com>
569 * config/i386/i386.c (ix86_expand_prologue): Always use
570 gen_pro_epilogue_adjust_stack; update arguments.
571 (ix86_expand_epilogue): Likewise.
572 (ix86_emit_epilogue_esp_adjustment): Remove.
573 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
574 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
575 clobber of scratch memory instead of a modification of EBP as the
576 barrier. Update all peepholes to match.
578 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
580 * doc/gcc.texi: Change the font used for @def... commands to a
582 * doc/extend.texi: Use more logical markup. Use "built-in"
583 instead of "builtin". Use @deftypefn to mark up built-in
584 functions; specify their types in the @deftypefn and not in the
585 descriptive text. Use TeX quotes and dashes. Add more index
588 2001-06-12 lars brinkhoff <lars@nocrew.org>
590 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
591 (DIR_SEPARATOR_2): Likewise.
593 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
595 * doc/install.texi (--exec-prefix, --bindir, --libdir,
596 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
598 (--enable-cpp): Change to document --disable-cpp instead; update
599 to reflect current default.
600 (--without-fast-fixincludes): Remove documentation.
601 (Final install): Document installation directories in more
602 detail. Document use of make dvi.
604 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
606 * recog.c (validate_replace_rtx_1): Fix previous patch.
608 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
610 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
612 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
614 * simplify-rtx.c (simplify_subreg): Allow volatile memory
615 to be subregged in case we don't have move instruction.
617 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
619 * loop.c: Include predict.h
620 (strength_reduce): Drop branch prediction note in case
621 number of iterations is known.
622 * predict.def (PRED_LOOP_ITERATIONS): new.
623 * Makefile.in (loop.o): Add dependancy on predict.h
625 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
629 * c-typeck.c (c_start_case): Likewise.
631 2001-06-12 Mark Mitchell <mark@codesourcery.com>
633 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
634 in a structure at a variable address.
636 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
638 * doc/gcov.texi: Use more logical markup.
640 2001-06-11 Mark Mitchell <mark@codesourcery.com>
642 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
643 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
644 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
647 2001-06-11 Stan Shebs <shebs@apple.com>
649 * darwin.h (ASM_FILE_END): Remove decl of language_string.
651 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
653 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
654 as an early clobber to make sure it is not used by reload in
657 2001-06-11 Mark Mitchell <mark@codesourcery.com>
659 * doc/c-tree.texi: Update information about flag_honor_std.
660 * doc/install.texi: Note that binutils is required on HPUX 11.
661 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
664 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
665 variable-sized types.
667 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
669 * doc/md.texi: Use TeX dashes and quotes.
671 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
673 * doc/rtl.texi: Reference manual chapter about trees.
675 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
677 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
678 (WINT_TYPE): Override.
679 (WINT_TYPE_SIZE): Likewise.
680 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
682 * config/sparc/sol2.h (WINT_TYPE): Define.
683 (WINT_TYPE_SIZE): Likewise.
685 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
686 (WINT_TYPE): Override.
687 (WINT_TYPE_SIZE): Likewise.
688 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
689 (CPP_ARCH64_SPEC): Likewise.
691 2001-06-11 Richard Henderson <rth@redhat.com>
693 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
694 with alias attribute.
696 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
697 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
699 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
701 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
703 2001-06-11 Stan Shebs <shebs@apple.com>
705 * darwin.c (darwin_encode_section_info): Rewrite to simplify
706 and fix coding mistakes.
708 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
710 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
711 return string from m32r_output_block_move.
712 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
714 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
716 (ROUND_ADVANCE): Remove signed/unsigned conflict.
717 * config/m32r/m32r.c: Declare prototypes for static functions.
718 (move_src_operand): Replace INT32_P with UINT32_P.
719 (function_arg_partial_nregs): Fixed signed/unsigned conflict
720 in initialisation of 'size'.
721 (m32r_sched_reord): Remove redundant declarations of 'code'.
722 (m32r_output_block_move): Change to a void function.
723 (m32r_encode_section_info): Cast return of
724 TREE_STRING_POINTER to avoid compile time warning.
726 2001-06-11 Richard Henderson <rth@redhat.com>
728 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
729 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
730 (struct machine_function): Add gp_save_rtx.
731 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
732 (alpha_gp_save_rtx): New.
733 * config/alpha/alpha-protos.h: Declare it.
734 * config/alpha/alpha.md (exception_receiver): Make an expander.
735 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
737 2001-06-11 Richard Henderson <rth@redhat.com>
739 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
741 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
743 * configure.in: Align --help messages.
744 Remove trailing full stops.
745 Consistently use lower case.
746 Fix DWARF 2 spelling.
747 * configure: Rebuilt.
749 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
751 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
752 variants for .cpp/.cp/.c++ files.
753 Move definition of __LANGUAGE_C_PLUS_PLUS ...
754 (CPLUSPLUS_CPP_SPEC): ... here.
756 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
758 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
760 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
762 * c-decl.c (store_parm_decls): When comparing types in an
763 old-style function declaration with those from a previous
764 prototype, compare the unqualified versions of parameter types.
767 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
769 * doc/objc.texi: Use more logical markup. Use TeX dashes.
771 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
773 * doc/c-tree.texi: Use more logical markup.
775 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
777 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
779 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
781 * loop.c (scan_loop): Do not combine asm statements.
783 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
785 * simplify-rtx.c (simplify_subreg): Fix offset calculation
786 for complex values within a CONCAT.
788 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
790 * doc/install.texi: Update details of what components are included
791 in the GCC distribution. Update default directory for g++
792 includes. Update documentation relating to old libio. Adjust
793 documentation on DejaGnu environment variables. Remove
794 documentation of --enable-cpplib.
796 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
798 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
801 2001-06-10 Richard Henderson <rth@redhat.com>
803 * ifcvt.c (life_data_ok): New.
804 (merge_if_block): Use it to determine whether to update
806 (if_convert): Set it.
808 2001-06-10 Richard Henderson <rth@redhat.com>
810 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
812 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
814 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
815 (SH Options): Document -mieee.
816 * doc/install.texi (Final install): Remove obsolete information
817 about installing cross compilers.
818 * doc/gcc.1: Rebuilt.
820 2001-06-10 Richard Henderson <rth@redhat.com>
822 * config/alpha/alpha.c (override_options): Set align_loops,
823 align_jumps, and align_functions.
824 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
825 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
827 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
829 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
830 are one and two words in size.
832 2001-06-10 Richard Henderson <rth@redhat.com>
834 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
835 (Code Generation Options): Document -fnon-call-exceptions.
837 2001-06-10 Mark Kettenis <kettenis@gnu.org>
839 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
841 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
843 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
845 2001-06-10 Mark Mitchell <mark@codesourcery.com>
846 Gabriel Dos Reis <gdr@codesourcery.com>
848 * Makefile.in (c-parse.o): Depend on diagnostic.h
849 (dwarf2out.o): Likewise.
851 * dwarf2out.c: #include diagnostic.h
853 * toplev.h (warningcount, errorcount, sorrycount): Remove
856 * toplev.c (warningcount, errorcount, sorrycount): Remove
859 * diagnostic.h (struct output_buffer): Reorder fields.
860 (diagnostic_kind_count): New macro.
861 (errorcount, warningcount, sorrycount): Define as macros.
862 (diagnostic_report_warnings_p): New macro.
863 (output_state): Add diagnostic_count field.
865 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
866 Remove tentative declaration.
867 (count_error): Use diagnostic_report_warnings_p.
869 * c-parse.in: #include diagnostic.h
871 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
873 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
874 prefer a memory for operand 1.
875 ("*addsi3"): Fix constraints, the '!' was too strong.
876 ("*addsi3_split"): Accept soft register and split accordingly.
878 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
880 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
881 Move definition in the RTX_CODE section.
883 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
885 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
886 address as relative to the argument pointer.
888 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
890 * predict.def (PRED_OPCODE): Place before call and error_return.
892 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
894 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
895 * predict.c (estimate_probability): Calculate dominance
896 information; improve detection of NORETURN heuristics;
897 add call/error_return heuiristics; tweak comparison heuristics
900 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
902 * doc/invoke.texi (C Dialect Options): Document -aux-info.
903 (Debugging Options): Document -print-multi-directory and
905 * doc/gcc.1: Rebuilt.
907 * toplev.c (independent_decode_option): Require `=' between
908 `-aux-info' and filename in the same argument.
909 * gcc.c: Don't pass -aux-info=filename twice.
911 2001-06-09 Mark Mitchell <mark@codesourcery.com>
913 * expr.c (expand_expr, case ARRAY_REF): Do not replace
914 an array element with the known initializing value if it has
917 * toplev.c (rest_of_compilation): Remove dead code before
920 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
922 * cppinit.c (print_help): Document -fpreprocessed.
923 * invoke.texi: Similarly.
925 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
927 * predict.def: New file.
928 * predict.h: New file.
929 * predict.c: Include predict.h.
930 (predictor_info): New structure and array.
931 (predict_edge, predict_insn): Rewrite; make global.
932 (predict_edge_def, predict_insn_def): New global functions.
933 (dump_prediction, combine_predictions_for_insns): New
935 (estimate_probability): Change calls to predict_edge
936 to predict_edge_def and calls to predict_insn to predict_insn_def;
937 combine probabilities.
938 (expected_value_to_br_prob): Behave as predictor.
939 * rtl.h (REG_BR_PRED): Update coment.
940 (invert_br_probabilities): New.
941 * jump.c: Include predict.h
942 (duplicate_loop_exit_test): Drop branch prediction notes.
943 (invert_jump): Use invert_br_probabilities.
944 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
945 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
946 * combine.c (distribute_notes): Handle BR_PRED.
948 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
950 * predict.c (predict_insn, predict_edge): New static functions.
951 (estimate_probability): Revamp to use new functions;
952 fix loop header heruistics; add loop exist heruistics
954 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
956 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
958 2001-06-09 Peter Jakubek <pjak@snafu.de>
960 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
962 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
964 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
965 for integer operations that don't update C bit.
967 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
969 * gthr-posix.h (__gthread_objc_init_thread_system): If
970 pthread_key_create fails, it's not clear what the return value is.
971 This obvious fix makes sure it always returns -1 if a problem
974 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
976 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
977 more index entries. Use more logical markup where appropriate.
978 Use TeX quotes and dashes.
980 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
982 * unwind-pe.h: Conditionally qualify references to abort with
985 2001-06-09 Julian Foad <julian_foad@hotmail.com>
987 * doc/invoke.texi: Remove superfluous text.
989 2001-06-08 Richard Henderson <rth@redhat.com>
991 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
992 (LIB_SPEC): Mirror config/linux.h version.
994 2001-06-08 Richard Henderson <rth@redhat.com>
996 * except.c (get_exception_pointer, get_exception_filter): Take a
997 struct function. Update all callers.
998 * except.h (get_exception_pointer): Update declaration.
999 * expr.c (expand_expr): Update get_exception_pointer call.
1000 * integrate.c (expand_inline_function): Remap the exception pointer
1001 from callee to caller.
1003 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1005 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1006 accurately reflect its cv-qualification.
1007 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1008 cv-qualifiers on function types.
1010 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1012 * basic-block.h: Improve comments.
1013 * except.c (expand_eh_region_end_allowed): Remove redundant call
1014 to do_pending_stack_adjust.
1015 * flow.c (life_analysis): Fix typo in comment.
1016 (calculate_global_regs_live): Add documentation.
1017 (mark_set_1): Likewise.
1018 (debug_regset): Likewise.
1019 * doc/rtl.texi (cond_exec): Document it.
1021 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1023 * i386.h (CONST_COSTS): set cost of constants representable in
1024 immediate fields to 0.
1026 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1028 * function.c (diddle_return_value): Kill code to determine
1029 return value before expand_function_end.
1030 (expand_function_end): Delay call to clobber_return_register
1031 after fucntion return value is computed.
1033 Re-install temporary reverted patch:
1034 * toplev.c (rest_of_compilation): Call split_all_insns
1035 before reg-stack and shorten-branches. Do shorten-branches
1037 * final.c (shorten_branches): Remove insn splitting code.
1039 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1041 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1042 options. Use @opindex to index them rather than other indexing
1043 commands. Use @var{...} instead of <...>. Avoid spaces in names
1044 inside @var. Don't use @kindex to index escape sequences in
1047 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1049 * stmt.c (current_nesting_level): New fn.
1050 * tree.h: Declare it.
1051 * c-semantics.c (genrtl_compound_stmt): Use it.
1053 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1055 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1057 * jump.c (mark_modified_reg): Allow jump threading if condition
1058 codes are represented by a hard register.
1060 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1062 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1063 for complex floats passed to unprototyped functions.
1065 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1067 * except.c (expand_eh_region_end_allowed): Call
1068 do_pending_stack_adjust as necessary.
1070 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1072 * function.c (clobber_return_register): Clobber the pseudo return
1075 * sibcall.c (skip_unreturned_value): New function.
1076 (call_ends_block_p): Use it.
1078 * recog.c (split_insn): Break out from ...
1079 (split_all_insns): ... here; do not use basic block information
1082 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1084 * simplify-rtx.c (simplify_subreg): Fix verification of
1087 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1089 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1090 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1091 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1092 (CPLUSPLUS_CPP_SPEC): ... here.
1093 Fixes PRs c++/3047, target/441.
1095 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1097 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1099 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1101 * doc/gcc.texi: Add trailing slash to URL.
1103 2001-06-07 Stan Shebs <shebs@apple.com>
1105 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1106 (REDO_SECTION_INFO_P): Ditto.
1107 (STRIP_NAME_ENCODING): Ditto.
1108 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1109 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1110 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1111 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1112 * config/darwin.c: No longer include c-tree.h.
1113 (machopic_classify_ident): Rewrite to use symbol encoding.
1114 (lookup_name_darwin): Remove.
1115 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1116 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1117 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1118 (machopic_finish): Ditto, remove test of decl.
1119 (update_non_lazy_ptrs): New function.
1120 (darwin_encode_section_info): New function.
1121 * config/darwin-protos.h: Declare it.
1122 * config/rs6000/rs6000.c (machopic_output_stub): Use
1123 STRIP_NAME_ENCODING.
1125 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1127 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1128 (DECL_SOURCE_LINE): Likewise.
1130 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1132 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1133 from config/elfos.h.
1135 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1137 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1138 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1140 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1142 * doc/contrib.texi: Add copyright notice.
1144 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1146 * doc/md.texi: Use four digit years in copyright notice.
1148 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1150 * config.gcc: For $target_alias of athlon-*, set
1151 target_cpu_default2=5.
1153 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1155 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1156 end of last block if last real insn is a JUMP_INSN.
1158 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1162 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1164 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1165 pthread_t to objc_thread_t.
1166 (__gthread_objc_thread_id): Likewise.
1168 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1170 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1171 (ASM_OLDAS_SPEC): Likewise.
1173 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1174 (CPP_SUBTARGET_SPEC): Use it.
1175 (ASM_OLDAS_SPEC): Define.
1177 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1179 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1181 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1182 passed by reference.
1184 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1186 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1187 Document use of N_(...), and show it in examples. Note that
1188 documentation should be added to invoke.texi. Avoid an overfull
1191 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1193 * toplev.c (rest_of_compilation): Revert previous patch.
1194 * final.c (shorten_branches): Likewise.
1196 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1198 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1201 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1203 * doc/install-old.texi: Remove more obsolete documentation.
1205 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1207 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1209 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1211 * toplev.c (rest_of_compilation): Call split_all_insns
1212 before reg-stack and shorten-branches. Do shorten-branches
1214 * final.c (shorten_branches): Remove insn splitting code.
1216 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1218 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1219 * configure: Rebuilt.
1221 2001-06-07 Andreas Jaeger <aj@suse.de>
1223 * emit-rtl.c (operand_subword): Remove unused variable.
1225 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1227 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1228 if TARGET_64BIT is false.
1229 (floatdi?f_i386_only): New insn.
1230 (floatdi?f_i386): Disable for !TARGET_64BIT.
1232 * (min?f, max?f splitters): Handle case where
1233 operands are cross-matched.
1235 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1236 (MMX_REGISTER_NAMES): Kill.
1237 (PRINT_OPERAND): Fix comment.
1238 (PRINT_REG): Likewise.
1239 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1240 (print_operand): Update comment; kill 'm'.
1242 * i386.c (x86_branch_hints): New global variable
1243 (print_operand): Support outputting of branch prediction hints.
1244 * i386.md (conditional jump patterns): Add branch prediction hints
1246 * i386.h (x86_branch_hints): Declare
1247 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1248 (PRINT_OPERAND_FUNCT_VALID_P): New.
1249 * final.c (final_forward_branch_p): New function.
1251 2001-06-06 Richard Henderson <rth@redhat.com>
1253 * flow.c (mark_used_reg): Clean up looping over multiple hard
1254 registers. Do conditional life bits across multiple hard regs.
1256 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1258 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1259 deleted during reload.
1261 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1263 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1264 functions here, instead of ...
1265 * c-decl.c (c_expand_body): ... here.
1267 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1269 * config.gcc, config/sparc/bsd.h: Do not directly include
1270 sparc/sparc.h. Instead do it via tm_file.
1272 2001-06-05 Richard Henderson <rth@redhat.com>
1274 * dwarf2.h (DW_EH_PE_aligned): New.
1275 * dwarf2asm.c (eh_data_format_name): Name it.
1276 (dw2_asm_output_encoded_addr_rtx): Align for it.
1277 * dwarf2out.c (output_call_frame_info): Handle it for personality
1278 routine and LSDA pointers.
1280 * unwind-pe.h (DW_EH_PE_aligned): New.
1281 (base_of_encoded_value): Handle it.
1282 (read_encoded_value_with_base): Likewise.
1283 * unwind-dw2-fde.c (base_from_object): Likewise.
1284 (get_cie_encoding): Likewise.
1286 * config/alpha/elf.h: Remove ecoff commentary.
1287 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1289 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1291 * config.gcc, config/i386/bsd386.h: Do not directly include
1292 i386/386bsd.h. Instead do it via tm_file.
1294 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1296 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1299 2001-06-05 Pascal Obry <obry@act-europe.fr>
1301 * configure.in: Quote $enable_win32_registry in case the value has
1305 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1307 * print-rtl.c (xspaces): Remove.
1308 (print_rtx): Use printf field-width, rather than xpsaces, to
1310 * toplev.c (main): Disable sibling-call optimization if we are
1311 handling exceptions.
1313 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1315 * reload1.c (reload): Delete all USEs generated during reload.
1317 2001-06-05 scott snyder <snyder@fnal.gov>
1319 * gccbug.in: Fix typo.
1321 2001-06-05 Andreas Jaeger <aj@suse.de>
1323 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1324 parameter and return value.
1326 2001-06-04 Anthony Green <green@redhat.com>
1328 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1329 machine. This is now done in sparc.h.
1331 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1333 Correct CVS resurrection of invoke.texi.
1334 * doc/invoke.texi: Document new tree dump flags.
1336 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1338 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1339 for casting an aggregate to its own type. Fixes PR c/2735.
1341 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * doc/texinfo.tex: Update to version 2001-05-24.08.
1345 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1347 * c-common.h (flag_dump_translation_unit): Remove.
1348 (enum tree_dump_index): Define.
1349 (TDF_ADDRESS, TDF_SLIM): New #defines.
1350 (dump_node_to_file): Remove.
1351 (dump_node): Make extern. Add flags.
1352 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1353 dump_switch_p): Prototype.
1354 * c-common.c (flag_dump_translation_unit): Remove.
1355 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1356 logic. Use dump_switch_p.
1357 * c-dump.h (struct dump_info): Add node and user fields.
1358 (dump_pointer): Declare.
1359 * c-dump.c (dump_node): Make extern. Add flags.
1360 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1361 (dump_new_line, dump_maybe_newline): Use them.
1362 (dump_pointer): New function.
1363 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1364 chain or function's body. Dump address, if TDF_ADDRESS set.
1365 (dump_flag): Define.
1366 (dump_node_to_file): Remove.
1367 (struct dump_file_info): New struct.
1368 (dump_files): New array.
1369 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1370 * c-lang.c (finish_file): Adjust dumping.
1371 * toplev.h (dump_base_name): Make extern.
1372 * invoke.texi: Document new flags.
1374 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1376 * c-tree.h (lang_decl): Add pending_sizes fields.
1377 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1379 (c_expand_body): Expand them.
1380 (lang_mark_tree): Mark lang_decl:pending_sizes.
1381 * function.c (expand_pending_sizes): New function, broken out
1383 (expand_function_start): ... here.
1384 * tree.h (expand_pending_sizes): Declare it.
1386 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1388 * doc/install.texi: Update FreeBSD information. Generalize
1389 and update information for alpha-based platforms using ELF.
1391 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1393 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1394 (store_parm_decls): Likewise.
1395 * c-typeck.c (convert_arguments): Likewise.
1397 2001-06-04 Richard Henderson <rth@redhat.com>
1399 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1400 optimization if current_function_calls_setjmp.
1402 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1404 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1407 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1409 * simplify-rtx.c (simplify_subreg): Fix combining of
1410 paradoxical subregs.
1412 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1414 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1415 (no_labels_between_p): Short circuit case beg==end.
1417 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1419 * rtlanal.c (operand_preference): Fix preference for objects.
1421 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1423 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1426 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1428 * combine.c (if_then_else_cond): Use simplify_subreg instead
1430 * integreate.c (sub_constants): Likewise.
1432 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1434 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1435 and use simplify_gen_subreg.
1437 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1439 * sibcall.c (skip_copy_to_return_value): recognize the situation
1440 when the called function's return value is copied into an
1441 intermediate pseudo, and then into the calling functions return
1444 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1446 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1447 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1448 in case register wasn't OK previously, accept it now; allow
1449 subregs of frame pointer if reload completed and frame pointer
1452 * combine.c (sombine_simplify_rtx): Fix comment;
1453 use subreg_lowpart_offset instead of subreg_lowpart_p
1454 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1455 * rtl.h (subreg_lowpart_parts_p): Kill.
1456 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1457 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1458 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1459 (gen_lowpart_common): Likewise.
1460 (subreg_lowpart_p): Likewise.
1461 (subreg_lowpart_parts_p): Kill.
1462 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1464 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1465 to simplify SUBREG and REG.
1466 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1468 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1471 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1473 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1475 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1476 (ARRAY_RANGE_REF): Added description.
1478 * tree.def (ARRAY_RANGE_REF): New code.
1479 * alias.c (handled_component_p, can_address_p): Handle it.
1480 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1481 * explow.c (set_mem_attributes): Likewise.
1482 * expr.c (expand_assignment, get_inner_reference): Likewise.
1483 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1484 * fold-const.c (operand_equal_p): Likewise.
1485 * tree.c (staticp, stabilize_reference): Likewise.
1486 * varasm.c (decode_addr_const): Likewise.
1488 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1490 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1491 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1493 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1495 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1496 mark_constant_pool_use before output_addr_const.
1497 (struct pool_node): New field wend.
1498 (add_constant): Note a sequence of constants that are referenced
1500 (pool_window_label, pool_window_last): New variables.
1501 (dump_table): Emit a unspec_volatile representing the end of a
1502 sequence of constants.
1503 (mark_constant_pool_use): New function.
1504 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1505 (consttable_2): Add the second operand which flags whether
1506 this consttable entry was used or not.
1507 (consttable_4, consttable_8, consttable_sf, consttable_df):
1509 (consttable_window_end): New insn.
1511 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1513 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1514 Reformat according to coding standards.
1517 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1518 (shl_and_kind): Cast wide constant.
1519 (gen_far_branch): Define as static, as in declaration.
1520 (barrier_align): Compute cache-line length as unsigned. Add
1521 parentheses in initial credit computation.
1522 (rounded_frame_size): Add parentheses.
1523 (permanent_obstack): Remove declaration. Include ggc.h for
1524 declaration of ggc_add_root_rtx().
1525 (get_free_reg): Removed declaration of unused variable reg.
1526 (legitimize_pic_address): Mark mode argument as unused.
1528 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1530 * config/sh/sh.c (output_branch): Support for insn with lenght
1531 attr 12 & 16 which represents cond branches outside +-4096 range.
1533 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1535 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1536 cache-mirroring sequence. Add nops.
1538 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1540 * doc/install-old.texi: Remove more old installation
1542 * doc/install.texi: Add relevant parts here.
1544 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1546 * doc/install.texi2html: New script.
1548 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1550 * doc/install.texi: Update AIX information again.
1552 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1554 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1555 installation documentation.
1556 * doc/install.texi: Move it to here.
1558 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1560 * doc/install.texi: Clean up Texinfo markup.
1562 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1564 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1565 to just after title page.
1567 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1569 * doc/install-old.texi: Remove documentation of some configuration
1571 * doc/install.texi: Add relevant parts of this documentation here.
1573 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1575 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1576 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1578 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1580 * i386.md (all uses of ext_register_operand): Make sure they are
1581 VOIDmode; replace all uses outside zero_extend.
1582 (and?i splitters): Use ext_register_operands.
1583 (test?i peep2): Remove ignored constraints.
1584 * i386.c (ext_register_operand): Check that operand is
1585 eighter pseudo or hard or 'Q' register.
1587 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1589 * tree.h (struct record_layout_info_s): New field unpadded_align.
1590 (set_lang_adjust_rli): New declaration.
1591 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1592 it would have if not packed, do not downgrade DECL_ALIGN.
1593 (lang_adjust_rli, set_lang_adjust_rli): New.
1594 (start_record_layout): Initialize new field unpadded_align.
1595 (debug_rli): Display it.
1596 (place_union_field, place_field): Set it.
1597 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1599 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1600 mean that; use proper names instead.
1601 Print DECL_NO_STATIC_CHAIN.
1603 * except.c (expand_builtin_frob_return_addr): Add missing call
1604 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1605 (expand_builtin_eh_return): Likewise.
1606 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1608 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1610 * doc/invoke.texi: Remove references to papers about sequence points
1611 to readings.html, refer to that page.
1613 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1615 * README: Update references to installation instructions.
1617 2001-06-01 Laurent Guerby <guerby@acm.org>
1618 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1620 * doc/install.texi: Define srcdir when sources come from CVS.
1621 Significantly improve markup. Wrap overly long lines
1623 2001-06-01 DJ Delorie <dj@redhat.com>
1625 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1626 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1627 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1628 gcov.1: Move to doc subdirectory.
1629 * install.texi: Move to doc/install-old.texi.
1630 * gcc.texi: Move to doc, refer to install-old.texi.
1631 * Makefile.in: Reflect move of docs to doc/.
1632 * f/Make-lang.in: Ditto.
1633 * java/Make-lang.in: Ditto.
1634 * doc/.cvsignore: New.
1636 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1638 * invoke.texi: use two spaces between command options, eliminate
1639 some 'overfull hboxes'
1641 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1643 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1644 (DRIVER_DEFINES): Ditto.
1646 2001-05-31 Richard Henderson <rth@redhat.com>
1648 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1649 also link against libgcc.a.
1651 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1653 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1654 * config/mips/mips.c (mips_output_ascii): New function.
1655 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1657 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1659 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1661 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1662 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1664 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1666 * install.texi (Configuration): Add html links for --with-gnu-as &
1667 --with-gnu-ld and refer to them from hppa & SCO triplets.
1668 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1669 (Specific): Reword AVR binutils recommendation.
1671 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1673 * ggc-page.c (size_lookup): Increase minimum allocation size
1675 (ggc_print_statistics): Report size of each bin in bytes, not
1676 as its order; there is no longer a direct relationship.
1678 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1680 * extend.texi: Fix formating of examples, eliminate some
1682 * gcc.texi: Eliminate some 'overfull hboxes'.
1683 * invoke.texi: Use two spaces between command options, eliminate
1684 some 'overfull hboxes'.
1686 2001-05-30 Richard Henderson <rth@redhat.com>
1688 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1690 2001-05-30 Tom Tromey <tromey@redhat.com>
1692 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1693 use it in the new association.
1695 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1696 John David Anglin <dave@hiauly1.hia.nrc.ca>
1698 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1699 to target type to allow ISO C++ compiler to accept it.
1700 * gthr-dce.h (__gthread_active_ptr): Likewise.
1701 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1703 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1705 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1706 so that we do accept comments in preprocessed input.
1708 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1710 * cpphash.c (alloc_node): Cast allocated pointer.
1712 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1714 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1716 2001-05-29 Stan Shebs <shebs@apple.com>
1718 * gcc.texi: Add links for information about Objective-C.
1720 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1722 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1723 /bin/sed fails on [^\"]).
1724 (configargs.h): Likewise.
1726 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1728 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1730 2001-05-28 Stan Shebs <shebs@apple.com>
1732 * objc/objc.gperf: Remove, no longer used.
1734 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1736 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1737 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1738 Remove trailing whitespace.
1740 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1742 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1743 became http://freeware.sgi.com/.
1745 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1747 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1750 2001-05-27 Stan Shebs <shebs@apple.com>
1752 * objc/objc-act.c: Add/fix various comments.
1753 (init_selector): Remove, no longer used.
1754 (build_msg_pool_reference): Ditto.
1755 (objc_debug): Ditto.
1757 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1759 * c-decl.c (init_decl_processing):
1760 Don't call start_identifier_warnings.
1761 * flags.h (warn_id_clash, id_clash_len): Remove.
1762 * stringpool.c: Don't include flags.h.
1763 (scan_for_clashes, do_identifier_warnings,
1764 start_identifier_warnings): Remove.
1765 * toplev.c (warn_id_clash, id_clash_len): Remove.
1766 (display_help): Don't document -Wid-clash.
1767 (decode_W_option): Print warning on -Wid-clash.
1768 * tree.h (start_identifier_warnings): Remove.
1769 * invoke.texi: Remove documentation of -Wid-clash.
1771 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1773 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1775 2001-05-27 Bruce Korb <bkorb@gnu.org>
1777 * fixinc/check.tpl(HACK) add and use a Scheme variable
1778 (has no test text): error out if no "test_text" is defined
1779 * fixinc/fixincl.tpl: likewise
1780 (FIXIDX): make it an enumeration so we minimize diffs
1781 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1782 * fixinc/fixincl.x: regenerate
1783 * fixinc/tests/base/stdio.h: test output got moved due to
1785 * README-fixinc: rewrite (mostly)
1787 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1789 * cpplib.c (run_directive): Set pfile->directive.
1791 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1793 * c-tree.texi: Reformat the manual as a single chapter now
1794 included by gcc.texi.
1795 * gcc.texi: Include c-tree.texi. Merge all indexes.
1796 * Makefile.in (dvi): Add generation for the cppinternals
1797 documentation. Added dependencies on fdl.texi and c-tree.texi
1798 where appropriate. Use TEXI2DVI instead of custom tex calls.
1799 (info): Added dependencies on fdl.texi and c-tree.texi where
1800 appropriate. Remove the target c-tree.info.
1802 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1804 * combine.c (try_combine): Fix typo in comment.
1805 * expr.c (expand_expr): Likewise.
1806 * config/i370/i370.md (untyped_call): Likewise.
1808 2001-05-26 Bruce Korb <bkorb@gnu.org>
1810 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1811 when fixincl is operating in test mode
1812 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1813 (AAB_ultrix_limits): remove redundant text
1814 (AAB_ultrix_memory): ditto
1815 (AAB_ultrix_string): ditto
1816 (djgpp_wchar_h): fix the test text
1817 (irix_stdio_va_list): add test text
1818 (irix_limits_const): add a testing output file (limits.h is overwritten)
1819 (strict_ansi_not_ctd): put limits.h second in list for same reason
1820 (solaris27_mutex_init): test text needed selection text, too
1822 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1823 when fixincl is operating in test mode
1825 2001-05-26 Philip Blundell <philb@gnu.org>
1827 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1828 * config/i960/i960-protos.h: Likewise.
1829 * config/i370/i370-protos.h: Likewise.
1830 * config/h8300/h8300-protos.h: Likewise,
1831 * config/sh/sh-protos.h: Likewise.
1832 * config/v850/v850-protos.h: Likewise.
1834 2001-05-26 Philip Blundell <philb@gnu.org>
1836 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1838 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1840 * toplev.c (debug_args, f_options, W_options): Mark
1841 descriptions for translation.
1842 (display_help): Translate descriptions on output.
1844 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1845 objc/lang-options.h: Mark descriptions for translation.
1847 * aclocal.m4: Quote final argument of patsubst. Use
1848 3-argument form of AC_DEFINE. Restore quotes to [] while
1850 * configure.in: Remove unnecessary changequote calls.
1851 * configure, config.in: Regenerate.
1853 2001-05-25 Sam TH <sam@uchicago.edu>
1855 * basic-block.h: Fix header include guards.
1856 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1857 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1858 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1859 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1860 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1861 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1862 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1863 varray.h version.h: Likewise.
1864 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1865 config/arm/arm.h config/c4x/c4x-protos.h
1866 config/h8300/h8300-protos.h config/h8300/h8300.h
1867 config/i370/i370-protos.h config/i370/i370.h
1868 config/i960/i960-protos.h config/mcore/mcore.h
1869 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1870 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1871 * fixinc/fixlib.h fixinc/server.h: Likewise.
1873 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1875 * config/arc/initfini.c (.init): Fix typo.
1877 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1879 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1881 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1883 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1885 2001-05-25 Richard Henderson <rth@redhat.com>
1887 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1889 2001-05-25 Richard Henderson <rth@redhat.com>
1891 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1892 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1893 (sparc*-*-solaris2): Likewise.
1894 * config/t-linux: Remove shared libgcc macros.
1895 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1896 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1898 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1900 * config.gcc (*-*-freebsd*): Report bad configuration.
1902 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1904 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1906 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1908 (ASM_OUTPUT_LABELREF): Delete.
1910 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1912 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1913 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1914 * fixinc/fixincl.x: Regenerate.
1915 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1916 (FIX_TEST_TABLE): Declare it.
1917 * fixinc/fixlib.h: Include config.h.
1919 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1921 * fixinc/inclhack.def (alpha___assert): Change char * args to
1922 const char * on Tru64 UNIX to avoid excessive warnings from
1924 * fixinc/fixincl.x: Regenerate.
1926 2001-05-25 Geoff Keating <geoffk@redhat.com>
1928 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1929 outputting a tag only for variable-size records.
1931 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1933 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1934 instead of rtx_equal_p for early clobber test.
1936 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1938 * builtins.def: Encode additional information, such as names and
1940 * builtin-types.def: New file.
1941 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1942 (built_in_decls): Likewise. Don't explicitly initialize global
1944 (expand_builtin_mathfn): Handle float and long double variants of
1946 (expand_builtin): Likewise.
1947 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1948 (expand_tree_builtin): Handle long, long long, float, and long
1949 double variants of math functions.
1950 * c-common.h (c_tree_index): Remove some unused nodes.
1951 (void_ftype): Remove.
1952 (void_type_ptr): Likewise.
1953 (int_ftype_int): Likewise.
1954 (ptr_ftype_sizetype): Likewise.
1955 * c-decl.c (init_decl_processing): Remove creation of DWARF
1957 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1958 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1959 * Makefile.in (c-common.o): Depend on builtin-types.def.
1961 2001-05-25 Dale Johannesen <dalej@apple.com>
1963 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1965 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1967 * c-parse.in (notype_initdcl): Remove redundant line.
1969 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1971 * aclocal.m4: Fixed typo.
1972 (gcc_AC_HEADER_STDBOOL): Define.
1973 (gcc_AC_C__BOOL): Define.
1974 * configure.in: Use them.
1975 (AC_CHECK_HEADERS): Remove stdbool.h
1976 * configure, config.in: Regenerate.
1978 2001-05-25 Richard Henderson <rth@redhat.com>
1980 * function.c (expand_function_start): Don't abort on PARALLEL
1981 returns from hard_function_value.
1983 2001-05-25 Richard Henderson <rth@redhat.com>
1985 * config/i386/i386.md: Revert previous change. Do not apply
1986 the peephole if the components do not die after the sequence.
1988 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1990 * c-parse.in (array_declarator): New. Handle C99 constructs.
1991 Don't restrict [*] declarators to C only.
1992 (after_type_declarator, parm_declarator_starttypename,
1993 parm_declarator_nostarttypename, notype_declarator,
1994 direct_absdcl1): Use it.
1995 * c-decl.c (build_array_declarator, set_array_declarator_type):
1996 New functions. Warn that [*] isn't properly implemented; pedwarn
1997 for [*] outside C99 mode if pedantic rather than giving a hard
1999 (grokdeclarator): Handle static and type qualifiers in parameter
2001 * c-tree.h (build_array_declarator, set_array_declarator_type):
2003 * extend.texi (Attribute Syntax): Document attributes in parameter
2006 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2008 * config/i386/i386.md: Make sure cmpstr peepholes do not
2009 affect liveness information.
2011 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2013 * c-typeck.c (digest_init): Issue error messages about
2014 invalid constants, not warnings.
2016 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2018 * invoke.texi (-fno-builtin): Document that this is always on
2021 2001-05-24 Philip Blundell <philb@gnu.org>
2023 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2026 2001-05-24 Philip Blundell <philb@gnu.org>
2028 * config/arm/arm.c (output_return_instruction): Correctly handle
2029 interworking and interrupt functions.
2031 2001-05-24 Philip Blundell <philb@gnu.org>
2033 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2034 -m{no-}sched-prolog. Fix typos and improve formatting.
2036 2001-05-24 Philip Blundell <philb@gnu.org>
2038 * invoke.texi (ARM Options): Improve wording slightly. Add
2039 documentation for more options, including those for Thumb mode.
2040 Don't mention options that don't exist or are unimplemented.
2041 (Thumb Options): Delete; merged into above section.
2043 2001-05-24 Geoff Keating <geoffk@redhat.com>
2045 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2046 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2048 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2050 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2051 fix hard register simplification.
2053 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2055 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2056 of just copying CPP_CPU_SPEC.
2058 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2060 * i386.c (incdec_operand): Accept only 1 and -1.
2062 2001-05-23 Kelley Cook <kelley.cook@home.com>
2064 * Makefile.in: Move many of the *_H definitions eariler in the
2065 file, so that rules in t-* files that use them for
2066 dependencies will work in a parallel build.
2067 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2069 2001-05-23 Richard Henderson <rth@redhat.com>
2071 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2073 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2075 * cpp.texi: Update for handling of charconsts.
2076 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2077 diagnostics. Skip to the end if the UCS is too short.
2078 (cpp_interpret_charconst): Long charconsts issue a warning
2081 2001-05-23 Richard Henderson <rth@redhat.com>
2083 * doc/install.texi (alpha-linux): Require binutils 2.11.
2085 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2087 * c-lex.c (read_escape, read_ucs): Delete.
2088 (lex_string): Use cpp_parse_escape.
2089 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2090 if not C++ or not C99. Warn if traditional.
2091 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2092 unsigned. Warn for out-of-range escape sequences here.
2093 Update to use maybe_read_ucs.
2094 (cpp_interpret_charconst): Don't warn here.
2095 * cpplib.h (cpp_parse_escape): New exported function.
2097 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2099 * extend.texi (Attribute Syntax): Clarify application of
2100 attributes to parameters declared as functions or arrays.
2102 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2104 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2106 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2108 * diagnostic.c (vnotice): Kill.
2109 (fnotice): Call vfprintf directly.
2110 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2111 verbatim, set_diagnostic_context): Rename string argument to
2112 indicate that it is run through gettext.
2113 (vbuild_message_string, build_message_string, output_do_printf):
2114 Rename string argument to indicate that it is NOT run through
2116 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2117 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2118 Run msgid argument through gettext.
2119 (default_print_error_function): Run constant strings through
2120 gettext when nothing else will.
2121 (fatal_error, internal_error, error_recursion): Use fnotice.
2122 Present complete sentences to gettext.
2124 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2126 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2128 2001-05-23 Richard Henderson <rth@redhat.com>
2130 * function.c (expand_function_start): Always use a pseudo
2131 for the function result value.
2133 2001-05-22 Richard Henderson <rth@redhat.com>
2135 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2136 section pointer alignment.
2138 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2140 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2141 of __USER_LABEL_PREFIX__.
2143 2001-05-22 Richard Henderson <rth@redhat.com>
2145 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2146 (__deregister_frame_info_bases): New.
2147 * unwind-dw2-fde.h: Declare it.
2148 * libgcc-std.ver: Export it.
2149 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2150 called __register_frame_info_bases.
2152 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2154 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2155 instead of #elif (which is OK for this case but not in general).
2157 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2159 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2160 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2161 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2162 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2163 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2165 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2166 David O'Brien <obrien@freebsd.org>
2168 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2169 configure-time options and target version of FreeBSD. Set-up
2170 to match architectural change in threading support. Correctly
2171 report when -pthread option is not supported by configure-time
2173 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2174 and extend to encode target version number in run-time setting
2175 of __FreeBSD__ macro to match the system compiler.
2176 (CPP_PREDEFINES): Likewise.
2177 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2179 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2180 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2182 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2183 David O'Brien <obrien@freebsd.org>
2185 * config.gcc (the unlabeled system switch statement): Add
2186 generic configuration section to handle *-*-freebsd*. Also,
2187 to match the system compiler, default to threading support (it
2188 may be disabled with the standard --disable-threads
2189 configuration-time switch).
2190 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2191 (alpha*-*-freebsd* in machine-specific section): Likewise.
2193 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2194 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2195 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2196 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2197 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2199 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2200 David O'Brien <obrien@freebsd.org>
2202 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2203 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2204 -pthread instead setting macro.
2206 2001-05-22 Richard Henderson <rth@redhat.com>
2208 * crtstuff.c (__register_frame_info_bases): Declare.
2209 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2210 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2212 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2213 (CRT_GET_RFIB_DATA): New.
2214 * config/i386/sysv4.h: Likewise.
2215 * config/i386/sco5.h: Likewise.
2216 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2218 2001-05-22 Richard Henderson <rth@redhat.com>
2220 * rtl.c (read_string): Break out from ...
2221 (read_rtx): ... here.
2223 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2225 * doc/install.texi (Specific): Remove a bogus and duplicate part
2226 copied from the end of the document.
2228 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2230 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2232 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2234 * install.texi: Remove obsolete information on SunOS as well as
2235 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2236 (Installing GNU CC on the Sun): Remove section.
2238 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2240 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2241 keep errno unchanged on success.
2243 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2245 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2246 once for hexadecimal floats, whether or not they contain a decimal
2247 point. Don't let the setting of pedantic otherwise affect the
2248 parsing of hexadecimal floats.
2250 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2252 * README.ACORN: Remove obsolete file.
2254 2001-05-22 Jan Hubicka <jh@suse.cz>
2256 * combine.c (gen_binary): Use swap_commutative_operands_p
2257 (simplify_comparison): Likewise.
2258 * expmed.c (emit_store_flag): Likewise.
2259 * expr.c (compare_from_rtx): Likewise.
2260 (do_compare_rtx_and_jump): Likewise.
2261 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2262 if not emitting a branch and operands want swapping.
2264 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2266 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2267 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2268 (maybe_get_identifier): Update.
2269 * tree.h (make_identifier): Delete.
2271 2001-05-21 Richard Henderson <rth@redhat.com>
2273 * combine.c (subst): Do not substitute for a register as
2274 a destination subreg/strict_low_part/zero_extract.
2276 * combine.c (simplify_comparison): Update op1 after constant
2278 * recog.c (const_int_operand): Accept only constants valid
2280 * genrecog.c: Update comments wrt const_int_operand.
2282 * emit-rtl.c (init_emit_once): Zero unused memory in a
2285 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2287 * tree.h (type_num_arguments): Declare it.
2288 * tree.c (type_num_arguments): New function.
2290 2001-05-21 Richard Henderson <rth@redhat.com>
2292 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2295 2001-05-21 Geoff Keating <geoffk@redhat.com>
2297 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2299 (minsf3): Use rs6000_emit_minmax.
2300 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2302 (movsfcc): Use rs6000_emit_cmove.
2303 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2304 Don't generate emit_fselsfsf4.
2305 (fseldfsf4): Likewise.
2306 (maxdf3): Use rs6000_emit_minmax.
2308 (mindf3): Use rs6000_emit_minmax.
2309 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2311 (movdfcc): Use rs6000_emit_cmove.
2312 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2313 Don't generate emit_fselsfsf4.
2314 (fselsfdf4): Likewise.
2315 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2316 (min_max_operator): New predicate.
2317 (rs6000_emit_cmove): New function.
2318 (rs6000_emit_minmax): New function.
2319 * config/rs6000/rs6000-protos.h: Prototype new functions.
2320 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2321 and min_max_operator.
2323 * config/rs6000/rs6000.c (output_cbranch): Handle all
2324 conditional types in the switch statement.
2326 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2328 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2329 non-register variables.
2330 * extend.texi: Document that asm-specifications do not make sense
2331 for non-static local variables.
2333 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2335 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2336 (dbxout_type_fields): Lose minimal_debug support.
2337 (dbxout_type_methods, dbxout_type): Likewise.
2339 2001-05-17 Andrew Haley <aph@redhat.com>
2341 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2343 2001-05-21 Richard Henderson <rth@redhat.com>
2345 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2348 2001-05-20 Richard Henderson <rth@redhat.com>
2350 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2351 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2352 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2353 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2354 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2356 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2357 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2358 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2359 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2360 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2361 DEBUG_PUBNAMES_SECTION): Rename as above.
2362 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2364 2001-05-20 Richard Henderson <rth@redhat.com>
2366 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2367 operands unless the operation is commutative.
2369 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2371 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2374 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2376 * extend.texi: Clarify documentation of extensions included in ISO
2377 C99. Prefer C99 terminology and syntax to old GNU terminology and
2378 syntax. Add more index entries. Document mixed declarations and
2379 code as an extension in C89 mode. Warn about future changes to
2380 semantics of inline functions. Fixes PR other/930.
2382 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2384 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2385 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2386 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2387 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2389 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2391 2001-05-20 Richard Henderson <rth@redhat.com>
2393 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2394 to be output before a branch.
2396 2001-05-20 Richard Henderson <rth@redhat.com>
2398 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2400 2001-05-20 Richard Henderson <rth@redhat.com>
2402 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2403 (ASM_DOUBLE): Remove.
2404 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2405 * config/i386/sun386.h: Likewise.
2407 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2408 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2410 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2411 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2412 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2413 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2415 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2416 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2417 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2418 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2419 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2420 * config/i386/win32.h: Likewise.
2422 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2424 * invoke.texi: Add more options to summary list.
2426 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2428 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2429 used. Fixes PR c/2291.
2430 * gcc.1: Regenerate.
2432 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2434 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2435 the -fpic and -fPIC options, clear flag_pic.
2437 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2439 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2440 * stringpool.c (make_identifier): No statistics here anymore.
2441 * objc-act.c (steup_string_decl): Remove redundant check.
2443 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2445 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2446 cpplib.o, cpphash.o, fix-header): Update.
2447 (hashtable.o): New target.
2448 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2449 struct c_common_identifier here.
2450 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2451 * c-lex.c (c_lex): Update.
2452 * c-pragma.h: Update.
2453 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2455 (C_RID_CODE): Delete.
2456 * cpphash.c: Rewrite to use hashtable.c.
2457 * cpphash.h: Update include guards.
2458 (struct cpp_reader): Remove hashtab.
2459 hash_ob and buffer_ob are no longer pointers. Add hash_table
2461 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2462 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2463 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2464 * cppinit.c (cpp_create_reader): Update.
2465 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2466 (cpp_interpret_charconst): Eliminate warning.
2467 * cpplib.c (do_pragma, do_endif, push_conditional,
2468 cpp_push_buffer, cpp_pop_buffer): Update.
2469 (_cpp_init_stacks): Rename cpp_init_directives.
2470 (_cpp_cleanup_stacks): Remove.
2471 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2472 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2473 cpp_forall_identifiers, cpp_create_reader): Update.
2474 (C_RID_CODE, cpp_make_node): New.
2475 (c_common_identifier): New identifier node for C front ends.
2476 * cppmain.c (main): Update.
2477 * fix-header.c (read_scan_file): Update.
2478 * flags.h (id_clash_len): Make unsigned.
2479 * ggc.h (ggc_mark_nonnull_tree): New.
2482 * stringpool.c: Update comments and copyright. Update to use
2484 * toplev.c (approx_sqrt): Move to hashtable.c.
2485 (id_clash_len): Make unsigned.
2486 * toplev.h (ident_hash): New.
2487 * tree.c (gcc_obstack_init): Move to hashtable.c.
2488 * tree.h: Include hashtable.h.
2489 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2490 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2491 (struct tree_identifier): Update.
2492 (make_identifier): New.
2494 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2495 (C_RID_CODE): Remove.
2496 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2497 (init_parse): Don't do it here.
2499 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2501 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2503 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2505 (expand_eh_return): Convert between word_mode and Pmode.
2506 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2508 (execute_stack_op): Likewise.
2509 (execute_cfa_program): Likewise.
2510 (uw_frame_state_for): Likewise.
2511 (uw_update_context_1): Likewise.
2512 * unwind.inc (_Unwind_Reason_Code): Likewise.
2513 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2514 (EH_RETURN_STACKADJ_RTX): Likewise.
2515 * config/mips/mips.c (compute_frame_size): Make space for saving
2516 EH return registers.
2517 (mips_expand_epilogue): Handle EH stack adjustments.
2518 * config/mips/mips.md (eh_return): New pattern.
2519 (eh_set_lr_si): Likewise.
2520 (eh_set_lr_di): Likewise.
2521 Add splitter to perform EH return after reload.
2523 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2525 * jump.c (mark_jump_label): Tidy previous change.
2527 2001-05-19 Bruce Korb <bkorb@gnu.org>
2529 * fixinc/genfixes: no need for two warnings
2530 * fixinc/Makefile.in: open stdin for those building with a closed one.
2532 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2534 * jump.c (jump_optimize_1): Tidy.
2535 (mark_jump_label): When changing the label in a LABEL_REF, change
2536 update any REG_EQUAL notes as well.
2538 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2540 * c-parse.in (parm_declarator): Split into
2541 parm_declarator_starttypename and parm_declarator_nostarttypename.
2542 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2543 New. Allow parenthesised sub-declarators which don't begin with a
2544 TYPENAME. Fixes PR c/166.
2546 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2548 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2550 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2552 * toplev.c (main): If the target does not allow profiling without
2553 a frame pointer, issue an error message.
2554 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2557 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2559 * recog.c (general_operand): Modify last change to allow it if reload
2562 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2564 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2565 subregs containing mem.
2567 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2569 * regrename.c (regrename_optimize): frame pointer register can
2572 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2574 * README.DWARF: Move into dwarfout.c.
2576 2001-05-18 Dale Johannesen <dalej@apple.com>
2578 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2579 specific misuse of r0 as a reload address.
2581 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2583 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2586 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2588 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2589 (add_to_sequence): Make that decision type.
2590 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2591 (write_switch, write_cond, debug_decision_2): Likewise.
2593 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2595 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2598 2001-05-18 Stan Shebs <shebs@apple.com>
2600 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2601 * configure: Regenerate.
2603 2001-05-18 Per Bothner <per@bothner.com>
2605 Changes needed for java/jvspec.c
2606 * gcc.h (n_infiles, outfiles): Add declarations.
2607 * gcc.c (n_infiles, outfiles): Mske no longer static.
2609 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2611 * config/pa/som.h (EXCEPTION_SECTION): Define.
2613 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2615 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2617 Add have_location_lists, a variable to determine whether we need a
2618 .debug_loc section or not.
2619 (enum dw_val_class): Add dw_val_class_loc_list.
2620 (dw_val_struct): Add val_loc_list.
2621 (dw_loc_list_struct): New structure, represents location lists.
2622 (new_loc_list): New function, return a new location list, given
2623 the range and location expression.
2624 (add_loc_descr_to_loc_list): New function, add a location
2625 expression to a location list, given the expression and range.
2626 (output_loc_list): New function, output a location list.
2627 (gen_internal_sym): Modified to take symbol prefix, so we can
2628 reuse it for location list symbols.
2629 (add_AT_loc_list): New function, add a location list to a DIE at
2630 the named attribute.
2631 (AT_loc_list): New function, return the location list reference
2632 for a given attribute, if it's a location list.
2633 (print_die): Handle dw_val_class_loc_list.
2634 (size_of_die): Ditto.
2635 (value_format): Ditto.
2636 (output_die): Ditto.
2637 (output_location_lists): New function, output all of the location
2638 lists for a DIE and it's children.
2639 (dwarf2out_finish): Call output_location_lists if we have location
2643 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2645 * gcse.c (try_replace_reg): First try global replace, later try to
2646 simplify the expression.
2648 * gcse.c (find_used_regs): Change calling convention; work via
2650 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2652 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2655 2001-02-09 Nick Clifton <nickc@redhat.com>
2656 * config/arm/arm.md: Change output constraint on post inc
2657 load/store multiple patterns to be a read/write constraint.
2659 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2661 * basic-block.h (struct basic_block_def): Add documentation about
2662 what a basic block is, and what the various fields are used for.
2663 * flow.c (calculate_globlal_regs_live): Add documentation about
2664 how the algorithm works, and how we know that it will terminate.
2665 Check that the the inductive assumption that guarantees
2666 termination actually holds.
2667 (mark_used_regs): Treat conditionally set registers as used.
2668 (debug_regset): Add comment.
2669 * rtl.texi (cond_exec): Add documentation.
2671 * function.c (expand_function_start): Avoid creating BLKmode
2674 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2676 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2677 DIE, even if it has no children.
2678 (dwarf2out_finish): Always output the line-number table, even if
2681 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2683 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2685 2001-05-17 Bruce Korb <bkorb@gnu.org>
2687 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2688 * fixinc/genfixes: emit a warning if AutoGen is out of date
2690 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2691 Bruce Korb <bkorb@gnu.org>
2693 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2694 found in fixinc directory. Facilitates binary distributions.
2696 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2698 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2701 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2703 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2705 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2707 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2708 (simplify_subreg): Handle complex types represented as CONCAT.
2710 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2711 * rtl.h (swap_commutative_operands_p): Declare.
2712 * rtlanal.c (swap_commutative_operands_p): New.
2713 (operand_preference): New static function.
2715 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2716 (gen_binary): Likewise.
2717 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2718 * simplify-rtx.c (simplify_gen_binary,
2719 simplify_gen_relational): Likewise.
2721 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2723 * cse.c (fold_rtx): Use simplify_subreg.
2725 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2726 (simplify_gen_subreg): New.
2727 (simplify_rtx): Use simplify_subreg.
2728 * rtl.h (simplify_gen_subreg): Declare.
2730 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2732 * doc/install.texi: Update Solaris information.
2734 * except.h (protect_cleanup_actions): Remove it.
2735 (lang_protect_cleanup_actions): Declare it.
2736 * except.c (protect_cleanup_actions): Remove it.
2737 (lang_protect_cleanup_actions): New variable.
2738 (init_eh): Don't make protect_cleanup_actions a GC root.
2739 (expand_eh_region_and_cleanup): Call
2740 lang_protect_cleanup_actions.
2741 (output_function_exception_table): Remove unused `align'
2743 * varasm.c (assemble_external): Abort if we have not yet
2744 opened the assembly output file.
2746 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2748 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2749 for eh_personality_libfunc.
2751 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2753 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2754 when calling simplify_subreg. This is needed to allow replacing
2755 of expression of one mode by expression of different mode.
2757 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2759 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2761 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2763 * expr.c (protect_from_queue): Protect against subsequent calls to
2765 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2768 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2770 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2772 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2774 * gccbug.in (CATEGORIES): Add "bootstrap".
2776 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2778 * simplify-rtx.c (simplify_subreg): Break out from ...
2779 * combine.c (combine_splify_rtx) ... here and ...
2780 * recog.c (validate_replace_rtx_1): ... here;
2781 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2782 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2783 (subreg_lowpart_p): ... here.
2785 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2787 * stmt.c (expand_asm_operands): For inout operands, make sure
2788 the substitution of '=' for '+' makes it into the rtl.
2790 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2791 (reload_as_needed): Call update_eliminable_offsets a bit later.
2793 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2795 * gcc.texi (gccbug): Refer to the web pages for detailed information
2798 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2800 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2802 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2803 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2804 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2805 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2806 * cross-make: Don't set LIBGCC1.
2807 * mklibgcc.in: Delete all code for building from libgcc1.c.
2808 Always honor LIB1ASMFUNCS if set.
2810 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2811 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2812 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2813 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2814 config/i386/uwin.asm, config/m68hc11/larith.asm,
2815 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2816 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2817 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2818 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2819 Delete or update references to libgcc1 in commentary.
2821 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2822 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2823 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2824 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2825 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2826 config/arm/t-semi, config/arm/t-strongarm-coff,
2827 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2828 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2829 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2830 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2831 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2832 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2833 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2834 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2835 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2836 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2837 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2838 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2839 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2840 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2841 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2842 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2843 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2844 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2845 config/mips/t-ultrix, config/mn10200/t-mn10200,
2846 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2847 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2848 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2849 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2850 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2851 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2852 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2853 config/sparc/t-sparclite, config/sparc/t-splet,
2854 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2855 config/sparc/t-vxsparc64, config/v850/t-v850:
2856 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2858 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2859 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2860 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2861 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2862 nongcc_SI_type, nongcc_word_type, or perform_*
2863 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2865 * config/i386/386bsd.h, config/i386/beos-elf.h,
2866 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2867 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2868 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2869 Don't include i386/perform.h.
2871 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2872 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2873 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2874 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2875 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2876 config/vax/t-openbsd, config/vax/t-vax: Delete.
2878 * config.gcc: Remove references to deleted files.
2879 (arm-semi-aof): Use arm/t-semi for tmake_file.
2881 * gcc.texi, install.texi, invoke.texi, tm.texi:
2882 Delete or rewrite text which is no longer relevant now that
2883 libgcc1 no longer exists.
2885 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2886 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2888 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2889 Bruce Korb <bkorb@gnu.org>
2891 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2894 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2896 * i386.md: Add two peepholes to clean up code generated by
2899 2001-05-16 Richard Henderson <rth@redhat.com>
2901 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2902 variants of non-absolute encodings.
2904 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2906 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2907 __register_frame_info_table_bases): Export.
2909 2001-05-16 Richard Henderson <rth@redhat.com>
2911 * except.c (eh_data_format_name): Move to ...
2912 * dwarf2asm.c: ... here. Use designated initializers if available.
2913 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2914 * dwarf2asm.h: Update declarations.
2915 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2916 ASM_PREFERRED_EH_DATA_FORMAT.
2917 (output_call_frame_info): Likewise. Use 'L' augmentation for
2920 * unwind-dw2-fde.h (struct fde_vector): New.
2921 (struct old_object): Rename from struct object.
2922 (struct object): New.
2923 (__register_frame_info_bases): Declare.
2924 (__register_frame_info_table_bases): Declare.
2925 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2926 * unwind-dw2-fde.c (objects): Remove.
2927 (unseen_objects, seen_objects): New.
2928 (__register_frame_info_bases): New.
2929 (__register_frame_info): Use it.
2930 (__register_frame_info_table_bases): New.
2931 (__register_frame_info_table): Use it.
2932 (__deregister_frame_info): Rewrite for changed object struct.
2933 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2934 (fde_unencoded_compare): Rename from fde_compare; uninline.
2935 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2936 (start_fde_sort): Adjust for new definition of fde_vector.
2937 (fde_insert): Likewise.
2938 (end_fde_sort): Likewise. Select comparison function based
2939 on properties of the object.
2940 (fde_split): Take object and fde_compare_t arguments.
2941 (frame_heapsort, fde_merge): Likewise.
2942 (classify_object_over_fdes): Rename from count_fdes. Handle
2943 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2945 (add_fdes): Handle encoded pointers.
2946 (init_object): Rename from frame_init. Update for new struct object.
2947 (linear_search_fdes): Rename from search_fdes. Handle encoded
2949 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2950 (binary_search_single_encoding_fdes): New.
2951 (binary_search_mixed_encoding_fdes): New.
2952 (search_object): New.
2953 (_Unwind_Find_FDE): Update for new struct object. Fill in
2955 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2956 iterating over EH data.
2957 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2958 fde_encoding, lsda_encoding.
2959 (read_uleb128, read_sleb128): Remove.
2960 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2961 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2962 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2964 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2966 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2968 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2969 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2970 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2971 cpp_spell_token, cpp_output_token): Similarly.
2972 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2973 do_pragma_poison, parse_assertion, do_assert): Similarly.
2974 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2975 save_parameter, _cpp_create_definition, check_trad_stringification,
2976 cpp_macro_definition): Similarly.
2977 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2978 * c-lex.c (cb_undef, c_lex): Similarly.
2979 * fix-header.c (recognized_function): Similarly.
2980 * cpplib.h (NODE_LEN, NODE_NAME): New.
2981 (cpp_hashnode): Rename length len.
2983 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2985 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2988 2001-05-16 Andreas Jaeger <aj@suse.de>
2990 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2992 * toplev.c: Include dwarf2asm.h for prototype of
2993 dw2_output_indirect_constants.
2995 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2997 * stmt.c (expand_asm_operands): Be able to offload addressof
2998 expression to memory. (PR optimization/185)
3000 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3002 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3003 applying distributive law.
3005 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3007 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3009 * gthr-dce.h (UNUSED): Attribute unused macro.
3010 (__gthread_key_dtor): Make arguments UNUSED.
3011 (__gthread_key_delete): Revise for compatibility with DRAFT4
3014 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3016 * doc/install.texi: Update AIX information.
3017 * README.RS6000: Remove obsolete file.
3019 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3020 Nathan Sidwell <nathan@codesourcery.com>
3022 * gcc.c (give_switch): Don't write before start of string.
3023 Always append suffix.
3025 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3027 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3030 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3032 * README.ALTOS: Remove obsolete file.
3034 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3036 * c-lex.h (save_and_forget_protocol_qualifiers,
3037 forget_protocol_qualifiers, remember_protocol_qualifiers):
3038 Remove deleted functions' prototypes.
3040 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3042 * c-parse.in (methodtype): New production.
3043 (methoddef, methodproto): Collapse separate '-' and '+'
3046 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3048 * c-common.h (RID_FIRST_PQ): New.
3049 * c-parse.in (objc_pq_context): New.
3050 (objc parser): Set objc_pq_context rather than calling
3051 remember_protocol_qualifiers and forget_protocol_qualifiers.
3052 Don't call save_and_forget_protocol_qualifiers.
3053 (yylexname): Handle objc protocol qualifiers here.
3054 * stringpool.c (struct str_header): Replace with sp_hashnode.
3055 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3056 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3057 Allocate an IDENTIFIER_NODE for each identifier.
3058 (FORALL_STRINGS, set_identifier): Delete.
3059 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3060 (ggc_alloc_string): Use an obstack.
3061 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3062 * tree.h: Update comments.
3063 (set_identifier): Delete.
3064 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3065 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3066 remember_protocol_qualifiers): Delete.
3068 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3070 * flow.c (life_analysis): After life analysis is complete, do
3071 an optional scan over insns looking for REG_LABEL notes that
3072 reference a deleted label.
3073 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3074 before peeking at LABEL_NUSES.
3076 2001-05-15 Richard Henderson <rth@redhat.com>
3078 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3079 (_Unwind_GetTextRelBase): New.
3081 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3083 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3085 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3087 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3088 so that CHOOSE_SECTION gets used.
3090 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3091 TARGET_RELOCATABLE like flag_pic for now.
3093 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3095 * rs6000.md (movdi splitter): Sign extend more efficiently.
3096 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3097 to "long long" valid on 32-bit and 64-bit hosts.
3098 (logical_operand): Cast trunc_int_for_mode return value.
3099 (rs6000_emit_move): Shift macro to encapsulate variable.
3100 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3101 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3102 plus_constant requires signed argument.
3104 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3106 * gthr-posix.h: Make additional pthread-* functions weak.
3108 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3110 * recog.c (apply_change_group): Avoid unneeded validating.
3112 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3114 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3115 (num_insns_constant): CONST_INT can be 64-bits.
3117 2001-05-14 Stan Shebs <shebs@apple.com>
3119 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3120 (LIBGCC_SPEC): Don't define.
3122 2001-05-14 Richard Henderson <rth@redhat.com>
3124 * configure.in (gcc_cv_as_eh_frame): New test.
3125 * config.in, configure: Rebuild.
3126 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3128 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3130 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3131 extended precision divide.
3133 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3135 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3136 for RETURNS as well.
3138 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3140 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3141 (CPP_CPU??_SIZE_TYPE): New.
3142 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3143 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3144 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3145 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3147 * i386.c (override_options): Add sorry about not suported modes.
3149 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3151 * config/pa/som.h (NM_FLAGS): Remove.
3152 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3153 (ASM_OUTPUT_SECTION_NAME): Remove.
3154 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3156 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3158 * regrename.c (regrename_optimize): Do not rename registers to
3161 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3163 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3164 contain MEMs. Remove useless distinction about clobbering
3167 2001-05-13 Geoff Keating <geoffk@redhat.com>
3169 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3170 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3171 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3172 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3173 (EXCEPTION_SECTION): Define.
3175 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3177 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3178 binary backward compat only.
3179 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3180 in LIB2FUNCS. Pass it to mklibgcc.
3181 * mklibgcc.in: Handle LIB2FUNCS_ST.
3183 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3185 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3187 * tm.texi (THREAD_MODEL_SPEC): Document it.
3188 * gcc.c (main): Use it.
3189 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3190 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3192 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3194 * rtl.h (SYMBOL_REF_WEAK): New macro.
3195 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3196 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3197 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3198 * gcc.texi: Remove wrong description.
3200 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3202 * Makefile.in (STAMP): New macro.
3203 Replace all uses of `touch' with $(STAMP).
3204 * fixinc/Makefile.in: Likewise.
3206 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3208 * configure.in: ldopen is never in -lexc, so don't test for it.
3209 Add test for exc_resume in -lexc for Ada.
3210 * configure: Regenerated.
3212 2001-05-12 Richard Henderson <rth@redhat.com>
3214 * dwarf2asm.c (size_of_encoded_value): New function.
3215 * dwarf2asm.h: Declare it.
3216 * except.c (output_function_exception_table): Align the TType
3217 array only as wide as the encoding.
3219 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3221 * extend.texi: Document #pragma GCC java_exceptions.
3223 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3225 * c-parse.in (bison parser, init_reswords): Remove uses of
3227 * c-tree.h (doing_objc_thang): Remove.
3229 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3231 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3232 about files not ending in newlines.
3234 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3236 * dwarfout.c (dwarfout_init): Add cast.
3237 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3238 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3240 * method.c (build_mangled_C99_name): Remove unused prototype.
3242 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3244 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3246 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3248 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3249 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3251 2001-05-11 Richard Henderson <rth@redhat.com>
3253 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3254 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3255 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3256 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3257 (dw2_output_indirect_constants): Prototype.
3258 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3259 current_function_func_begin_label if we'll need it for EH. Exit
3260 early for IA64_UNWIND_INFO.
3261 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3262 (eh_data_format_name): Update for indirect references.
3263 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3264 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3265 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3266 define HAVE_eh_return etc.
3267 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3268 (final_end_function): Don't call output_function_exception_table.
3269 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3270 (rest_of_compilation): Invoke output_function_exception_table
3271 for ia64 before assemble_end_function.
3272 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3273 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3275 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3276 * unwind.h: Declare them.
3277 * libgcc-std.ver: Export them.
3278 * unwind-pe.h: New file.
3280 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3282 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3284 (find_fde_for_dso): Extract DT_PLTGOT.
3285 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3286 the segment and gp as well.
3287 * config/ia64/frame-ia64.c: Remove file.
3288 * config/ia64/frame-ia64.h: Remove file.
3289 * config/ia64/unwind-ia64.c: New file.
3290 * config/ia64/unwind-ia64.h: New file.
3291 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3292 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3293 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3294 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3295 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3296 (IA64_UNWIND_INFO): Re-enable.
3297 (HANDLER_SECTION): Remove.
3298 (EH_RETURN_DATA_REGNO): New.
3299 * config/ia64/ia64.md (exception_receiver): Remove.
3300 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3301 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3303 2001-05-11 Richard Henderson <rth@redhat.com>
3305 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3306 calls and jumps to be bundled together.
3307 (ia64_reorg): Emit a break after a noreturn call that ends
3309 * config/ia64/ia64.md (break_f): New.
3311 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3313 * c-lex.c (lex_charconst): Convert into a simple wrapper
3314 around cpp_interpret_charconst, to which most of the code
3316 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3317 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3318 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3319 (lex): Use cpp_interpret_charconst.
3320 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3321 hex_digit_value): New functions.
3322 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3323 * cpplib.h (cpp_interpret_charconst): New prototype.
3324 * Makefile.in: Update.
3326 2001-05-12 Dean Wakerley <dean@wakerley.com>
3328 * doc/install.texi: New file. Converted to texinfo from the HTML
3329 documentation in wwwdocs/htdocs/install.
3331 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3333 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3334 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3336 * toplev.c (compile_file): Move comment for opening output
3337 file to just before the code that opens the output file.
3339 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3341 * regmove.c (regmove_optimize): Suppress the optimization for
3342 unchanging destination register. Add comment above function.
3344 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3346 * Makefile.in: Exterminate all references to assert.h.
3347 * cross-make: Likewise.
3349 * configure.in: Correct commentary.
3350 * configure: Regenerate.
3352 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3355 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3356 config/t-netbsd, config/t-rtems, config/x-linux,
3357 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3358 No need to override INSTALL_ASSERT_H.
3360 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3361 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3362 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3364 2001-05-11 Graham Stott <grahams@redhat.com>
3366 * combine.c (simplify_comparison): Fix typo.
3368 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3370 * loop.h (struct movables): Remove `num'.
3371 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3372 Adjust call to strength_reduce.
3373 (num_unmoved_movables): New function.
3374 (move_movables): Don't set movables->num.
3375 (strength_reduce): Compute the number of instructions in the loop
3376 here, rather than in the caller.
3377 (check_dbra_loop): Always clear reversible_mem_store if there
3378 are any memory sets.
3379 (loop_regs_scan): Don't count instructions here.
3380 (count_insn_in_loop): New function.
3382 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3384 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3386 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3388 * c-common.c (finish_label_expr): New function, lifted from
3389 from cp/semantics.c.
3390 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3391 * c-parse.in: Move 3 blocks of parser code into new functions.
3392 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3393 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3394 (lookup_label): Remove.
3396 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3398 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3399 FLOAT_BIT_ORDER_MISMATCH.
3401 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3403 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3404 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3406 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3408 * expr.c (emit_group_load): extract_bit_field requires a REG or
3411 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3413 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3414 a computed jump into an unconditional jump.
3415 In second hunk of code for collapsing computed and conditional jumps
3416 into unconditional jumps, reemit the jump in additional cases.
3418 * jump.c (jump_optimize_1): Do not wrap the new jump target
3419 inside a LABEL_REF; gen_jump will do that automatically.
3421 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3423 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3424 contents for a SYMBOL_REF in case of floating point constants.
3426 2001-05-10 DJ Delorie <dj@redhat.com>
3428 * c-common.c (combine_strings): Widen strings in a
3429 host-endian-independent way.
3431 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3433 * c-parse.in: Remove many shift/reduce conflicts. Update
3435 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3436 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3437 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3438 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3439 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3440 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3441 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3442 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3443 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3444 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3445 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3446 typespec_reserved_nonattr, typespec_reserved_attr,
3447 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3448 structsp_nonattr, components_notype, component_notype_declarator,
3449 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3450 firstparm, setspecs_fp): New
3451 (typed_declspecs, reserved_declspecs, typed_typespecs,
3452 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3453 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3454 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3455 type_quals): Remove. Users updated.
3456 (initdecls, notype_initdecls, after_type_declarator,
3457 parm_declarator, notype_declarator, absdcl1, components, ivars):
3458 Don't allow attributes at the start of a declarator; include them
3459 in the production containing the declarator instead. Always
3460 require type specifiers before trying to redeclare a typedef name.
3461 (typename): Allow for attributes but warn that they are ignored.
3462 (parmlist, firstparm, setspecs_fp): Include attributes in
3463 parmlist; suck them off the parser stack in firstparm using
3466 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3468 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3469 to determine if a block has an unconditional jump at its end.
3471 * jump.c (jump_optimize_1): When converting a conditional jump
3472 to an unconditional jump, build the jump using gen_jump instead
3473 of just modify operands in-place.
3475 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3477 * cppinit.c (cpp_post_options): Shut off macro expansion if
3479 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3480 IN_I directives only if the # is in column 1 and the directive
3481 name begins in column 2.
3482 * cppmain.c (scan_buffer): Insert a space between # and an
3483 identifier, when that identifier is a directive name.
3485 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3486 in the header search path.
3487 (enum node_type): Add T_INCLUDE_NEXT.
3488 (directive_table): Add entry for include_next.
3489 (do_include_next): New function.
3490 (process_include): New routine, broken out of do_include.
3491 (finclude): Insert 'nhd' argument, to be copied into
3492 next_header_dir of the new buffer.
3493 (main): Adjust to match.
3494 * gsyslimits.h, limity.h: Un-indent #include_next.
3496 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3498 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3499 inclusion as a chapter of the GCC manual.
3500 * gcc.texi: Include objc.texi.
3501 * fdl.texi: Use @unnumberedsec for the addendum.
3502 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3504 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3506 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3508 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3510 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3511 handling of two-address insns.
3513 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3515 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3516 ../binutils/nm-new instead of ../binutils/nm.
3518 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3520 * i386.md (movdi splitter): Fix the splitting condition
3521 (float_extenddftf splitter): Fix mode.
3523 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3525 * genrecog.c (write_switch): Avoid outputting of switch for
3526 types wider than int.
3528 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3530 * reload1.c (copy_eh_notes): New function.
3531 (emit_input_reload_insns): Call it.
3532 (emit_output_reload_insns): Call it.
3534 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3536 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3538 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3539 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3541 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3543 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3545 * pa.md (interspace_jump): Revise comment.
3546 (builtin_longjmp): Block initial setup insns from delay slot of
3548 (builtin_setjmp_receiver): New expander to save and restore PIC
3551 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3553 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3555 * toplev.c (compile_file): Set up the output file before we call
3556 the various initializers for the compiler.
3558 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3559 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3561 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3562 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3564 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3566 * Makefile.in (tradcpp0): Correct typo in dependency list.
3568 2001-05-06 Geoff Keating <geoffk@redhat.com>
3570 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3571 the link register if we're not going to use it.
3573 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3574 (output_function_profiler): Likewise.
3576 2001-05-07 Alan Modra <amodra@one.net.au>
3578 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3580 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3582 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3583 zero-extend it. Make abs_inc unsigned.
3585 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3586 widest mode in narrowing and widening operations.
3588 * config/mips/mips.md: Sign extend CONST_INTs.
3590 2001-05-06 Andreas Jaeger <aj@suse.de>
3592 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3593 (i386 Options): Document -momit-leaf-frame-pointer.
3595 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3597 * c-typeck.c (internal_build_compound_expr): Check for
3598 array to pointer conversion just once.
3600 2001-05-05 Richard Henderson <rth@redhat.com>
3602 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3604 2001-05-05 Richard Henderson <rth@redhat.com>
3606 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3607 to the parent of the fixup region.
3609 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3611 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3613 * cpp.texi (__NO_INLINE): Document it.
3615 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3617 * cppfiles.c (struct include_file): New member err_no.
3618 (find_or_create_entry): Set it.
3619 (open_file): Don't set fds to -2. Instead, use err_no to
3620 remember previous errors, if any.
3622 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3624 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3625 between X and Y by using sequences of xgdx and xgdy.
3627 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3629 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3630 of '!' for the 'D' alternative ('!' is too strong).
3631 ("*logicalsi3_silshl16"): Likewise.
3632 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3633 ("movstrictsi"): Remove spurious '+'.
3634 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3635 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3636 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3639 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3641 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3643 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3645 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3648 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3650 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3653 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3655 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3656 soft register, use ror instead of rol.
3658 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3660 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3661 into account pre/post increment decrement for 68HC12.
3662 Fix other problems in replacement and fix call to reg_mentioned_p.
3664 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3666 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3667 Put the soft registers in bss for 68HC12.
3668 (L_regs_d3_4): New for _.d3 and _.d4.
3669 (L_regs_d5_6): Likewise.
3670 (L_regs_d1_2): Likewise.
3671 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3673 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3675 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3676 to the pre-processor when -fshort-double is specified.
3677 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3679 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3681 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3682 (__mulsi3): Rewrite for 68HC12.
3683 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3684 Mark 'x' constraint with earlyclobber to prevent a
3685 RELOAD_FOR_OTHER_ADDRESS to go in it.
3686 (mulhi3_m68hc12): New pattern.
3687 (mulhi3_m68hc11): Rename of mulhi3.
3688 (mulhi3): New expand for 68HC12 optimisation.
3689 (umulhisi3, mulhisi3): New patterns for 68HC12.
3691 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3693 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3694 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3695 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3697 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3699 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3700 constants cheap after reload.
3701 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3703 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3704 so that gcc prefers a shift by 16.
3705 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3707 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3709 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3711 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3713 * alpha.h: NULL_PTR -> NULL.
3720 * i386.md: Likewise.
3723 * m68hc11.h: Likewise.
3724 * rs6000.h: Likewise.
3727 * sparc.h: Likewise.
3731 * final.c: Likewise.
3733 * recog.c: Likewise.
3735 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3737 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3738 `bool' parameter to `int'.
3740 * hash.c (hash_lookup): Likewise.
3742 * hash.h (hash_lookup): Likewise.
3744 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3746 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3748 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3750 2001-05-03 Geoff Keating <geoffk@redhat.com>
3752 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3753 -malign-loops, -malign-functions.
3754 * i386.c (ix86_align_funcs): Delete.
3755 (ix86_align_loops): Delete.
3756 (ix86_align_jumps): Delete.
3757 (override_options): Mark -malign-* as obsolete. Emulate their
3758 behaviour with the -falign-* options. Default -falign-* from
3759 the processor table.
3760 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3761 patch of Wed May 2 13:09:36 2001.
3762 (LOOP_ALIGN): Delete.
3763 (LOOP_ALIGN_MAX_SKIP): Delete.
3764 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3765 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3767 2001-05-04 Andreas Jaeger <aj@suse.de>
3769 * except.h: Add prototype declaration for
3770 expand_builtin_init_dwarf_reg_sizes.
3772 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3774 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3776 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3778 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3780 ("bitcmpqi2"): New pattern for bit-extract and test.
3781 ("bitcmphi"): New pattern for bitb/bita instructions.
3783 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3785 * gccbug.in: Use a temporary directory when the mktemp command is
3788 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3790 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3792 (INITIALIZE_TRAMPOLINE): Call it.
3793 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3794 (TRAMPOLINE_TEMPLATE): Remove.
3795 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3796 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3799 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3801 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3802 and crtendS.o with PIC.
3804 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3806 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3808 (___subdi3, ___adddi3): Use x instead of y as index register.
3809 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3810 (__memset, __memcpy): Likewise.
3811 (regs): Put the soft registers in bss for 68HC12.
3812 (abort): Use trap to abort for 68hc12.
3813 (__mulhi3, __mulhi32): Use emul for 68hc12.
3814 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3816 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3818 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3819 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3820 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3821 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3822 Set 68HC12 min offset to -65536.
3823 (print_operand): Put parenthesis arround the operand if it refers
3824 to a symbol having the same name as a register.
3825 (m68hc11_z_replacement): When z register is replaced by its
3826 equivalent soft register, force the insn to be re-recognized.
3827 (m68hc11_check_z_replacement): Fix the test when destination is
3828 the index register and z dies in the insn.
3829 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3831 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3833 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3834 costs according to processor variant.
3835 (m68hc11_shift_cost): New function to compute shift costs.
3836 (m68hc11_rtx_costs): Define costs according to processor variant.
3837 (m6811_cost): Costs for 68HC11.
3838 (m6812_cost): Costs for 68HC12.
3839 (COSTS_N_INSNS): Remove.
3841 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3842 (DEFAULT_RTX_COSTS): Remove.
3843 (CONST_COSTS): Define costs according to OUTER_CODE.
3844 (processor_costs): New struct to define costs.
3845 (m68hc11_cost): Pointer to current costs.
3847 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3849 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3850 and use m68hc11_notice_keep_cc when using leax/leay.
3851 (addhi3 split): Reject split if the insn is handled by
3853 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3854 push must be handled in a special way if the source operand uses
3855 sp as index register.
3856 (m68hc11_notice_keep_cc): New function.
3857 (m68hc11_gen_movhi): Use it when an insn changes a register but
3859 (m68hc11_gen_movqi): Fix move for 68HC12.
3860 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3862 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3864 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3865 and don't pass operands[0] to emit_library_call_value.
3867 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3869 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3870 (zero_extendsi split): Simplify and use (zero_extendhi).
3871 (*addhi3): Remove 'w' constraint since stack pointer is handled
3873 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3874 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3875 (*ashrhi3_const): Fix shift by 7.
3876 (*lshrsi3_const16): Fix template.
3877 (call, call_value): Fix constraint and predicate.
3879 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3881 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3882 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3883 (CC_REGNUM): Likewise.
3884 (*unnamed splits): Use above constants instead of hard coded numbers.
3885 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3886 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3887 (*return_16bit, *unnamed peepholes): Likewise.
3889 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3891 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3892 rs6000/rs6000.h twice.
3894 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3896 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3897 (CPP_SPEC): Conditionally define MSDOS and GO32.
3898 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3899 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3901 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3903 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3905 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3907 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3909 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3910 * integrate.c (expand_inline_function): Use xcalloc to allocate
3912 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3915 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3917 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3920 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3922 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3923 linker if -mrelax is given.
3924 (TARGET_SWITCHES): Document -mrelax.
3926 Re-installed 2001-01-09's patch:
3927 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3928 if it's wider than long and the target's long is wider than the
3931 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3933 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3934 directly include rs6000/rs6000.h. Instead do it in tm.h.
3936 2001-05-02 Stan Shebs <shebs@apple.com>
3938 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3939 NSConstantString for NeXT-style runtimes.
3940 (STRING_OBJECT_GLOBAL_NAME): New macro.
3941 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3942 OCTI_STRING_CLASS_DECL.
3943 (constant_string_global_id): New macro.
3944 (string_class_decl): Ditto.
3945 (setup_string_decl): New function.
3946 (build_objc_string_object): Use it to build a NeXT runtime
3947 compatible string initializer.
3949 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3951 * tradcpp.c (do_define): Make sure we don't walk past limit.
3953 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3955 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3956 offsets if not REG_OK_STRICT.
3958 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3959 (INT_REG_OK_FOR_INDEX_P): Likewise.
3960 (INT_REG_OK_FOR_BASE_P): Likewise.
3961 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3962 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3963 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3964 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3965 REG_OK_FOR_BASE_P. Take an additional parameter.
3966 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3967 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3968 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3969 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3970 rs6000_legitimate_address() and use it.
3971 * config/rs6000/rs6000.c: Update all callers.
3972 (rs6000_legitimate_address): New function.
3974 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3976 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3977 special_constant conditional blocks together.
3979 2001-05-02 Dale Johannesen <dalej@apple.com>
3981 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3983 (STRICT_ARGUMENT_NAMING): Define.
3984 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3985 function_arg_partial_nregs, setup_incoming_varargs): Remove
3986 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3989 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3991 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3993 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3996 * expr.c (store_field): Do nothing except elaborate side-effects if
3999 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4001 * c-lex.c: NULL_PTR -> NULL.
4003 * emit-rtl.c: Likewise.
4005 * genpeep.c: Likewise.
4007 * mips-tdump.c: Likewise.
4008 * reload1.c: Likewise.
4009 * rtlanal.c: Likewise.
4011 * stor-layout.c: Likewise.
4012 * toplev.c: Likewise.
4014 2001-05-01 Per Bothner <per@bothner.com>
4016 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4017 call do_pending_stack_adjust before emiting label.
4019 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4021 * extend.texi: Fix typo.
4023 2001-05-01 Stan Shebs <shebs@apple.com>
4025 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4026 of UOBJC_MODULES_decl.
4027 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4028 (generate_descriptor_table): Ditto.
4029 (generate_protocols): Ditto.
4030 (generate_protocol_list): Ditto.
4031 (generate_classref_translation_entry): Ditto.
4033 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4035 * invoke.texi (Optimize Options): Add documentation for `--param
4036 max-delay-slot-insn-search' and `--param
4037 max-delay-slot-live-search' and reorder --param section.
4038 * params.def: Modify initial comment.
4039 * params.h (param_info): Add `help' member.
4040 * toplev.c (lang_independent_params): Include `help' description.
4041 (display_help): Print --param parameters.
4043 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4045 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4046 Remove references to deleted files.
4047 (*-*-openbsd): No need to override xmake_file.
4048 (*-*-sysv4): Treat like *-*-sysv.
4050 * configure.in: Probe for ldopen in various places, and set up
4051 collect2 to be linked with them if found.
4052 Don't dink with Windows registry stuff unless $host_os is a
4053 Win32 os name. Check to see if we need -ladvapi32.
4054 * configure: Regenerate.
4056 * Makefile: Get rid of CLIB and HOST_CLIB.
4057 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4058 * build-make: Get rid of HOST_CLIB.
4060 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4061 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4062 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4063 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4064 config/rs6000/x-rs6000: Delete.
4066 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4069 24 x-host fragments remain, 0 x-cpu, 3 top level.
4071 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4073 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4074 * configure: Regenerate.
4076 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4078 * Makefile.in (install-headers): Remove redundant dependency.
4080 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4082 * c-tree.texi (USING_STMT): Document.
4084 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4086 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4087 * c-common.c: Likewise.
4088 * c-decl.c: Likewise.
4089 * combine.c: Likewise.
4090 * rs6000.c: Likewise.
4091 * except.c: Likewise.
4092 * explow.c: Likewise.
4094 * fold-const.c: Likewise.
4095 * function.c: Likewise.
4098 * integrate.c: Likewise.
4100 * objc/objc-act.c: Likewise.
4101 * recog.c: Likewise.
4102 * reg-stack.c: Likewise.
4103 * reload.c: Likewise.
4104 * reload1.c: Likewise.
4105 * simplify-rtx.c: Likewise.
4107 * varasm.c: Likewise.
4109 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4111 * diagnostic.def: New file.
4112 * diagnostic.h (diagnostic_t): New enum.
4113 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4115 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4117 * tsystem.h: Test only POSIX for availability of string.h
4119 * config.gcc (all systems): If USG appeared in xm_defines,
4120 change it to POSIX. If both USG and POSIX appeared, just
4121 delete USG. Remove unnecessary quotes around xm_defines
4123 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4124 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4125 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4126 powerpc-*-linux*): No need to set xm_defines - handled by
4127 global settings for *-*-linux*.
4129 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4131 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4132 Always include gstab.h, not system stab.h. Don't provide
4133 default definitions of N_CATCH or N_OPT. Always use the
4134 gstab.h variant of STAB_CODE_TYPE.
4135 * final.c: Don't include stab.h/gstab.h at all, or provide
4136 defaults for N_SLINE and N_SOL.
4138 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4139 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4141 * sdbout.c: Always include gsyms.h instead of system syms.h.
4143 * configure.in: No need to check for stab.h.
4144 * configure, config.in: Regenerate.
4145 * Makefile.in (final.o): Don't depend on gstab.h.
4147 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4148 Richard Henderson <rth@redhat.com>
4150 * extend.texi: Improve documentation of volatile asms.
4152 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4154 * c-tree.texi: Fix thinko.
4155 * gcc.texi: Likewise.
4157 2001-04-30 Richard Henderson <rth@redhat.com>
4159 * c-common.c (c_promoting_integer_type_p): New function, from the
4160 corpse of old macro. Properly promote too-small enumerations and
4161 booleans. Adjust all callers.
4162 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4163 (c_promoting_integer_type_p): Declare.
4164 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4165 * c-typeck.c: Likewise.
4166 (default_conversion): Remove now redundant boolean check.
4168 2001-04-30 Jan Hubicka <jh@suse.cz>
4169 Richard Henderson <rth@redhat.com>
4171 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4173 (combine_stack_adjustments_for_block): Don't combine stack
4174 allocation followed by deallocations. Handle grow-up stacks.
4176 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4178 * fdl.texi: New file.
4179 * c-tree.texi: Use the GFDL.
4180 * gcc.texi: Likewise.
4182 2001-04-30 Stan Shebs <shebs@apple.com>
4184 * invoke.texi: Add a section documenting Objective-C options.
4186 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4188 * emit-rtl.c (try_split): Copy EH notes to sequence.
4190 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4192 * regmove.c (record_stack_memrefs): Catch all references to the
4195 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4197 * Makefile.in (stmp-fixinc): quote shell assignment values
4199 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4201 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4205 * prefix.c: Likewise.
4207 2001-04-28 Stan Shebs <shebs@apple.com>
4209 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4210 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4211 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4212 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4214 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4215 (NEXT_OBJC_RUNTIME): Define.
4217 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4219 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4220 * simplify-rtx.c (simplify_gen_relational): Likewise.
4222 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4224 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4225 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4227 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4228 registers in SSE case; fix handling of the immediates.
4229 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4230 operands to be in regsiters before reload.
4231 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4232 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4233 (abstf,absxf,negtf,negxf splitters): Compute
4234 properly the regnum for x86_64.
4235 (avsdf2_if_rex64): New.
4237 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4239 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4240 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4241 into the constant pool.
4242 * jump.c (jump_optimize_1): Remove barrier successors after all
4243 the LABEL_NUSES counds have been computed.
4244 (delete_barrier_successors): When deleting a tablejump insn, also
4245 delete the jump table it uses.
4246 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4249 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4251 * pa.c (FRP): Remove erroneous white space in macro definition.
4253 2001-04-28 Andreas Jaeger <aj@suse.de>
4255 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4257 * extend.texi: Likewise.
4258 * tm.texi: Likewise.
4260 2001-04-28 Andreas Jaeger <aj@suse.de>
4262 * md.texi: Use XX-bit instead of XXbit or XX bit where
4265 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4267 * gcc.c (process_command): Allow -l lib in addition to -llib
4268 for POSIX compliance. This fixes PR c/2347.
4270 * invoke.texi: Update section on Link Options accordingly.
4272 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4274 * function.c (purge_addressof_1): Remove the duplicate
4275 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4278 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4280 * except.c (expand_eh_region_start): Don't start a new block.
4281 (expand_eh_region_end): Don't end a block.
4282 * stmt.c (expand_end_bindings): Don't end EH blocks.
4283 (expand_decl_cleanup): Starting an EH region won't change the block.
4284 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4285 (is_eh_region): Lose.
4288 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4290 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4292 * collect2.c (main): Add `-L' case to remove duplicate entries.
4293 (is_in_args): New function to check for a duplicate argument.
4294 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4295 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4296 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4297 Define to be nonzero.
4299 2001-04-27 Andreas Jaeger <aj@suse.de>
4300 Richard Henderson <rth@redhat.com>
4302 * md.texi (Machine Constraints): Document additional i386
4303 constraints and fix description of "A".
4305 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4307 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4309 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4311 * except.c (get_exception_filter): word_mode, not Pmode.
4313 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4315 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4316 common to other movsf patterns. Move up so that in future
4317 people who change the other patterns will change it too.
4318 (movsf_lo_sum): Allow even for soft-float; add appropriate
4320 (movsf_high): Likewise.
4321 (movsf_high+1): Allow even for soft-float.
4323 * function.c (expand_function_end): Always clobber the
4324 return registers, even if there is no return label.
4326 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4328 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4330 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4332 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4333 (pushqi2_rex64, pushhi2_rex64): Add.
4335 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4337 * except.c (expand_eh_region_end_cleanup): Force pending stack
4338 adjust before emitting label that branches around cleanup code.
4340 2001-04-26 H.J. Lu (hjl@gnu.org)
4342 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4344 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4346 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4347 (ASM_OUTPUT_SECTION_NAME): Likewise.
4348 (ASM_WEAKEN_LABEL): Likewise.
4349 (UNIQUE_SECTION): Likewise.
4350 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4351 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4352 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4353 (ASM_OUTPUT_SECTION_NAME): Likewise.
4354 (ASM_WEAKEN_LABEL): Likewise.
4355 (UNIQUE_SECTION): Likewise.
4356 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4357 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4358 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4359 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4360 (ASM_FILE_START): Likewise.
4361 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4362 (ASM_DECLARE_OBJECT_NAME): Likewise.
4363 (ASM_FILE_END): Likewise.
4364 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4365 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4366 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4367 (ASM_OUTPUT_CASE_LABEL): Likewise.
4368 (ASM_OUTPUT_SKIP): Likewise.
4369 (ASM_OUTPUT_ASCII): Likewise.
4370 (ASM_OUTPUT_IDENT): Likewise.
4371 (READONLY_DATA_SECTION): Likewise.
4372 (EXTRA_SECTIONS): Likewise.
4373 (EXTRA_SECTION_FUNCTIONS): Likewise.
4374 (SELECT_RTX_SECTION): Likewise.
4375 (SELECT_SECTION): Likewise.
4377 * config/mips/linux.h (INVOKE__main): Undefine.
4378 (CTOR_LIST_BEGIN): Likewise.
4379 (CTOR_LIST_END): Likewise.
4380 (DTOR_LIST_BEGIN): Likewise.
4381 (DTOR_LIST_END): Likewise.
4382 (SET_ASM_OP): Defined it to ".dummy".
4383 (ASM_OUTPUT_DEF): Defined.
4384 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4386 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4388 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4389 assembler supports .p2align.
4391 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4393 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4395 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4397 * integrate.c (expand_inline_function): Check for error_mark_node
4400 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4402 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4405 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4407 * configure.in (configargs.h): Define thread_model.
4408 * configure: Rebuilt.
4409 * gcc.c (main): Print it with -v.
4411 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4413 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4414 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4415 * gcc.1: Regenerate.
4417 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4419 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4420 is_redundant_typedef): Use static inline instead of inline static.
4422 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4424 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4425 this directory is always searched.
4427 2001-04-25 Richard Henderson <rth@redhat.com>
4429 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4430 of registers to restore along non eh_return path.
4432 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4434 * c-format.c (check_format_info_recurse): Handle
4435 PLUS_EXPR for format string.
4437 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4439 * config/ia64/ia64.h (CC1_SPEC): Define.
4440 * config/ia64/linux.h (CC1_SPEC): Define.
4442 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4444 * emit-rtl.c (constant_subword): Also do sign extension in
4445 BITS_PER_WORD == 16 case.
4447 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4449 * loop.c (try_swap_copy_prop): Go back to checking insn.
4451 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4453 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4454 if check_mode is non-zero.
4456 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4458 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4459 out and comparison sequence has been detected, put result into
4460 proper temporary pseudo.
4462 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4464 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4465 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4466 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4467 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4468 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4469 for future reference.
4471 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4473 * except.c (reachable_handlers): Step out one level from a RESX.
4475 * except.c (struct eh_region): Rename 'last' to 'resume'.
4476 (mark_eh_region, duplicate_eh_region_1): Adjust.
4477 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4478 (build_post_landing_pads): Likewise.
4479 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4480 (expand_eh_region_end_must_not_throw): Likewise.
4481 (connect_post_landing_pads): Thread (only) regions with non-deleted
4484 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4485 registers around the cleanup.
4486 (get_exception_filter): New fn.
4487 (finish_eh_generation): Use it.
4489 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4491 * c-semantics.c (add_scope_stmt): Don't call
4492 current_scope_stmt_stack multiple times.
4494 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4495 Nathan Sidwell <nathan@codesourcery.com>
4497 Lazy __FUNCTION__ generation.
4498 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4499 RID_C99_FUNCTION_NAME): New _RIDs.
4500 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4501 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4502 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4504 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4505 (c99_function_name_decl_node, function_name_decl_node,
4506 pretty_function_name_decl_node, saved_function_name_decls):
4508 (struct language_function): Remove x_function_name_declared_p.
4509 (make_fname_decl): Remove a parameter.
4510 (declare_function_names): Remove prototype.
4511 (start_fname_decls, finish_fname_decls): Prototype.
4512 (fname_as_string): Likewise.
4513 (fname_string, fname_decl): Likewise.
4514 * c-common.c (make_fname_decl): Adjust.
4515 (struct fname_var_t): New struct.
4516 (fname_vars): New static array.
4517 (declare_function_name): Remove.
4518 (start_fname_decls, finish_fname_decls): New functions.
4519 (fname_as_string): New function from remnants of
4520 declare_function_name.
4521 (fname_string, fname_decl): New functions.
4523 * c-decl.c (c_function_name_declared_p): Remove.
4524 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4525 don't call declare_function_name. Call start_fname_decls.
4526 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4527 clobber the line number. Call finish_decl.
4528 (start_function): Call start_fname_decls.
4529 (finish_function): Call finish_fname_decls.
4530 Remove c_function_name_declared_p.
4531 (push_c_function_context): Don't push c_function_name_declared_p.
4532 (pop_c_function_context): Don't pop c_function_name_declared_p.
4533 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4534 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4535 (program): Call finish_fname_decls for C.
4536 (primary): Add VAR_FUNC_NAME.
4537 (reswords): Add slots for __FUNCTION__ et al.
4538 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4539 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4540 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4541 * c-semantics.c (prune_unused_decls): Remove.
4542 (finish_stmt_tree): Don't call prune_unused_decls.
4543 (genrtl_decl_stmt): Don't prune unused decls here.
4545 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4547 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4548 constant pool, use the pool's SYMBOL_REF instead.
4550 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4553 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4555 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4556 passing nested NOP_EXPRs to fold.
4558 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4560 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4562 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4564 * loop.c (loop_delete_insns): Add prototype.
4566 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4568 * configure.in: Remove ENABLE_STD_NAMESPACE.
4569 * config.in: Regenerated.
4570 * configure: Regenerated.
4572 2001-04-22 Stan Shebs <shebs@apple.com>
4574 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4576 * config/rs6000/xm-darwin.h: Remove file.
4578 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4580 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4581 (write_c_file_stat): Likewise.
4583 * dbxout.c (dbxout_init): Likewise.
4585 * profile.c (output_func_start_profiler): Likewise.
4587 2001-04-22 Philipp Thomas <pthomas@suse.de>
4589 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4590 require it instead of the CVS version.
4591 * cpperror.c (v_message): Put a blank before the macro
4592 body to not confuse exgettext.
4594 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4596 * flow.c (proagate_one_insn): Remove useless assignment.
4597 * jump.c (delete_insn): Tidy.
4598 * loop.c (try_copy_prop): When deleting an instruction with a
4599 REG_RETVAL note, delete the entire libcall sequence.
4600 (loop_delete_insns): New function.
4601 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4602 we're not substituting into them yet.
4604 2001-04-21 Kazu Hirata <kazu@hxi.com>
4606 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4608 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4610 * config/i960/i960.c (signed_arith_operand): Likewise.
4612 * calls.c (expand_call): Fix a comment typo.
4614 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4616 * configure.in: Probe for times, clock, struct tms, and clock_t.
4617 * configure, config.in: Regenerate.
4618 * timevar.c: Replace ifdef forest in get_time with (relatively)
4619 straightforward series of checks based on autoconf's probes.
4621 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4623 * config/pa/som.h (NM_FLAGS): Define.
4625 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4627 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4629 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4630 * ia64.c (nop_cycles_until): New function.
4631 (prev_cycle, prev_first, last_issued): New static variables.
4632 (ia64_sched_reorder): Additional arg for clock.
4633 On final scheduling pass, emit extra NOPs as needed.
4634 Set prev_first and prev_cycle.
4635 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4636 (ia64_variable_issue): Set last_issued.
4638 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4640 * config/i386/i386.c (ix86_expand_int_movcc,
4641 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4643 2001-04-20 Geoff Keating <geoffk@redhat.com>
4645 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4646 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4647 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4648 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4649 ctrdi_internal6): In the short-branch case, this insn is only 4
4650 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4652 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4654 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4655 "=u" is used together with "st" resp. "st(1)" clobber.
4657 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4659 * gcse.c (gcse_main): Fix comment typo.
4660 (delete_null_pointer_check): Likewise.
4661 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4662 * cse.c (cse_insn): Likewise.
4663 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4666 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4668 * toplev.c: Excise all code for the undocumented -dm option.
4669 (float_signal): Call signal just once, unconditionally.
4671 2001-04-19 Geoff Keating <geoffk@redhat.com>
4673 * fold-const.c (fold): Use first_rtl_op rather than
4674 TREE_CODE_LENGTH when looping over parameters of a tree.
4675 Correct strange grouping in test for evaluated SAVE_EXPR.
4677 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4679 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4680 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4682 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4683 name at 32 total characters.
4684 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4685 functions in named sections -- data items can still go into unique
4686 sections, but they have normal names (ie $LIT$ and $DATA$).
4688 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4691 2001-04-19 DJ Delorie <dj@redhat.com>
4693 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4694 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4695 * config/i386/cygwin.h: Likewise.
4696 * config/i386/mingw32.h: Likewise.
4697 * config/vax/vms.h: Likewise.
4698 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4700 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4701 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4702 * config/i386/xm-cygwin.h: Likewise.
4703 * config/i386/xm-djgpp.h: Likewise.
4704 * config/i386/xm-mingw32.h: Likewise.
4705 * config/vax/xm-vms.h: Likewise.
4707 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4708 instead of OBJECT_SUFFIX.
4709 * collect2.c (find_a_file): Look for files matching the extension
4710 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4711 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4712 TARGET_EXECUTABLE_SUFFIX.
4713 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4714 (make_relative_prefix): Likewise.
4715 (convert_filename): Use TARGET_ suffixes throughout. Remove
4717 (process_command): Likewise.
4718 (do_spec_1): Likewise.
4719 * java/lang.c (init_parse): Likewise.
4721 * gcc.texi : Document four new options matching the pattern
4722 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4723 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4724 documentation for NO_AUTO_EXE_SUFFIX.
4726 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4728 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4729 that language-independent processing should not be done.
4730 * toplev.c (main): Adjust accordingly.
4732 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4733 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4735 * mips.md (reload_outputdi): Require that operand0 be a
4738 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4740 * invoke.texi (-Wshadow): Clarify.
4742 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4744 * loop.c (load_mems): Examine all the instructions in the loop
4745 before concluding that all jumps branch to the first instruction
4748 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4750 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4752 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4754 * cpp.texi (-Wwhite-space): Remove.
4755 (-Wall): -Wall does not imply -Wwhite-space.
4757 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4759 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4760 use it instead of blindly generating a .stabs.
4761 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4763 * xcoffout.c: Don't bother defining default for N_CATCH.
4764 (UNKNOWN_STAB): Use internal_error.
4765 (stab_to_sclass): Remove now-unnecessary aborts.
4766 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4768 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4770 * jump.c (mark_all_labels): Canonicalize the tail recursion
4771 label attached to CALL_PLACEHOLDER insns.
4773 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4775 * output.h (dump_flow_info, free_basic_block_vars,
4776 which_alternative): Delete redundant prototypes.
4778 * rtl.h (bss_section): Likewise.
4780 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4782 * dbxout.c (N_OPT): Define if not available from <stab.h>
4784 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4786 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4787 libraries and native K&R compilers.
4789 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4791 * c-typeck.c (convert_arguments): Don't check for width changes
4794 * invoke.texi (-Wtraditional): Update documentation.
4796 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4798 * toplev.c (output_lang_identify): Delete.
4799 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4800 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4801 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4802 after calling ASM_FILE_END.
4804 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4805 Instead, unconditionally emit an N_OPT stab with string equal
4806 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4808 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4810 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4811 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4812 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4813 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4814 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4815 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4816 config/i370/i370.h, config/i386/beos-elf.h,
4817 config/i386/osf1elf.h, config/i386/osfrose.h,
4818 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4819 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4820 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4821 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4822 config/mips/iris6.h, config/mips/osfrose.h,
4823 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4824 config/sparc/sp64-elf.h:
4825 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4826 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4828 * config/elfos.h, config/freebsd.h, config/linux.h,
4829 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4830 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4831 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4832 of ASM_FILE_START which merely emit a .version directive. Delete
4833 definitions of ASM_FILE_END which merely emit an .ident directive.
4835 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4836 ASM_IDENTIFY_GCC and move part of its logic into
4839 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4840 config/sparc/linux-aout.h: Don't emit .version directive in
4843 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4844 (output_file_start): Correct comment.
4846 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4847 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4849 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4850 * config/rs6000/aix.h: Correct comment.
4852 * config/i386/i386afe.h: Delete.
4853 * config.gcc: Remove references to i386afe.h.
4855 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4856 other macros deleted by this patch were undocumented.
4858 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4860 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4862 * pa.c (secondary_reload_class): SAR<->FP copies require a
4865 * install.texi (mips-mips-bsd): Update list of functions
4866 required to include memmove.
4867 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4868 used functions to include memmove.
4870 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4872 * i386.md (sqrtdf2): SFmode should be DFmode.
4874 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4876 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4877 (find_moveable_store): Likewise.
4879 2001-04-15 Jim Wilson <wilson@redhat.com>
4881 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4883 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4885 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4886 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4888 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4890 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4893 2001-04-14 Alan Modra <amodra@one.net.au>
4895 * pa.c (force_mode): New function.
4896 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4898 2001-04-13 Jim Wilson <wilson@redhat.com>
4900 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4901 (first_instruction): New static variable.
4902 (rtx_needs_barrier): Return 1 for alloc.
4903 (init_insn_group_barriers): Set first_instruction.
4904 (rws_sum): Delete duplicate definition.
4905 (group_barrier_needed_p): Return 0 when first_instruction true.
4906 (safe_group_barrier_needed_p): Save and restore first_instruction
4907 around group_barrier_needed_p call.
4909 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4911 * expr.h (enum libfunc_index): Add LTI_memmove.
4912 (memmove_libfunc): Define macro.
4913 * optabs.c (init_optabs): Initialize memmove_libfunc.
4914 * expr.c (expand_assignment): Use memmove_libfunc instead of
4917 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4919 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4922 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4924 * Makefile.in (reg-stack.o): Depend on reload.h.
4925 (insn-attrtab.o): Depend on flags.h.
4927 * genattrtab (main): Include flags.h in insn-attrtab.c.
4929 * reg-stack.c: Include reload.h.
4931 * sparc.h (flag_pic): Delete redundant declaration.
4933 * output.h (flag_pic): Likewise.
4935 * tree.h (pedantic): Likewise.
4937 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4939 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4941 * jump.c, regmove.c, toplev.c: Include reload.h.
4943 * reload.h (reload_cse_regs): Declare.
4945 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4946 reload_cse_regs, init_reload, mark_home_live, reload,
4947 init_caller_save): Delete redundant prototypes.
4949 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4951 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4953 * regclass.c, ssa.c: Include expr.h.
4955 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4956 gen_move_insn): Delete redundant declarations.
4958 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4960 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4961 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4962 MAKEINFO and MAKEINFOFLAGS too.
4963 (stage4_build): Correctly order -B flags.
4965 2001-04-13 Alan Modra <amodra@one.net.au>
4967 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4968 PIC_OFFSET_TABLE_SAVE_RTX.
4969 (zdepi_cint_p): Describe zdepi insn.
4970 Formatting and white space fixes throughout file.
4972 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4973 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4974 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4975 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4976 (output_64bit_and): Use plain `int's for shift counts.
4977 (output_64bit_ior): Likewise.
4978 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4979 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4982 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4983 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4984 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4985 NEW_HP_ASSEMBLER into one. Kill warnings.
4987 * pa-gas.h: Delete file.
4988 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4989 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4990 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4991 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4993 * config/pa/mill32.S: New file.
4994 * config/pa/mill64.S: New file.
4995 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4996 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4997 * config/pa/t-linux64: New file.
4998 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4999 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5000 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5002 * elfos.h (SELECT_SECTION): Undef before defining.
5003 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5004 (LIB_SPEC): Remove -lmilli.
5005 (DBX_REGISTER_NUMBER): Remove.
5006 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5007 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5008 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5009 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5010 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5011 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5012 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5013 TARGET_GAS): Define.
5014 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5015 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5016 regs if we don't have a prototype.
5017 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5018 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5019 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5020 EH_RETURN_HANDLER_RTX): Define.
5021 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5022 (DWARF_FRAME_REGNUM): Define.
5023 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5024 * pa32-linux.h: New file.
5025 * pa64-linux.h: New file.
5027 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5028 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5029 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5030 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5031 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5032 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5033 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5034 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5035 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5036 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5037 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5038 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5039 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5040 * pa64-hpux.h: New file.
5041 (ASM_FILE_START): Correct typo.
5042 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5043 * config.gcc: Modify for above.
5045 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5047 * jump.c (jump_optimize_1): Don't delete dead stores here.
5048 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5049 prior to running jump optimize before cse2.
5051 2001-04-12 Richard Henderson <rth@redhat.com>
5053 * Makefile.in (regmove.o): Depend on except.h.
5054 * regmove.c: Include it.
5056 2001-04-12 Stan Shebs <shebs@apple.com>
5058 * objc/objc-act.c: Remove all code ifdefed with the never-used
5059 macro OBJC_INT_SELECTORS.
5060 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5061 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5063 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5065 * config/pa/quadlib.c: Add prototypes.
5067 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5069 * bitmap.h (debug_bitmap): Delete redundant prototype.
5071 * rtl.h (get_frame_size): Likewise.
5073 2001-04-12 Jim Wilson <wilson@redhat.com>
5075 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5076 to just emit an fnorm.
5078 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5080 * c-common.h (truthvalue_conversion, type_for_mode,
5081 type_for_size): Delete redundant declarations.
5083 * c-lex.h (is_class_name): Likewise.
5085 * c-tree.h (pedantic, convert, getdecls, gettags,
5086 global_bindings_p, init_decl_processing, insert_block,
5087 maybe_build_cleanup, poplevel, print_lang_decl,
5088 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5089 set_block, incomplete_type_error, build_function_call,
5090 lvalue_or_else, mark_addressable): Likewise.
5092 * expr.h (expand_tree_builtin): Likewise.
5094 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5096 * invoke.texi: Document --param max-gcse-memory.
5098 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5100 * configure.in (errno): Check for declaration.
5101 * configure, config.in: Regenerated.
5103 * system.h (errno): Only declare if not already done.
5105 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5107 * recog.c (general_operand, immediate_operand,
5108 nonmemory_operand): Require CONST_INTs to be sign-extended
5109 values for their modes.
5111 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5113 * expmed.c (store_bit_field): Truncate CONST_INTs.
5114 (expand_mult_highpart, expand_divmod): Likewise.
5115 * expr.c (convert_modes, store_field): Likewise.
5116 * integrate.c (expand_inline_function): Use promote_mode() to
5117 determine whether to convert_modes() an argument as signed
5119 * optabs.c (expand_binop): Get CONST_INT operands
5120 sign-extended for their appropriate modes.
5121 * stmt.c (emit_case_nodes): Convert node values to the
5123 (expand_end_case): Convert minval and range to the appropriate
5125 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5126 the iteration variable.
5127 * varasm.c (immed_double_const): Don't require words to be
5128 narrower than host wide ints to properly sign-extend
5131 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5133 * sh.md (builtin_setjmp_receiver): New expander.
5135 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5137 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5138 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5139 for generating CONST_INT and CONST_DOUBLE.
5141 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5143 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5144 already sign-extended.
5145 (rs6000_emit_prologue): Make register iterator signed.
5146 (rs6000_emit_epilogue): Likewise.
5147 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5149 (movsf split, movdf split): Sign-extend CONST_INTs.
5150 (movdi splits): Likewise.
5152 2001-04-12 Kelley Cook <kelley.cook@home.com>
5154 * config-lang.in (lang_dirs): Add in zlib.
5156 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5158 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5159 operands that make it to RTL.
5161 2001-04-11 Stan Shebs <shebs@apple.com>
5163 Add Darwin (Mac OS X kernel) native support.
5164 * config.gcc (powerpc-*-darwin*): Add native bits.
5165 * config/darwin.c: New file, generic Darwin support functions.
5166 * config/darwin.h: New file, generic Darwin definitions.
5167 * config/darwin-protos.h: New file, generic Darwin prototypes.
5168 * rs6000/darwin.h: New file, Darwin for PowerPC.
5169 * rs6000/t-darwin: New file, Darwin makefile fragment.
5170 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5171 (TARGET_MACHO): Ditto.
5172 (rs6000_abi): Add ABI_DARWIN.
5173 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5174 (RS6000_SAVE_AREA): Ditto.
5175 (FP_ARG_MAX_REG): Ditto.
5176 (RETURN_ADDRESS_OFFSET): Ditto.
5177 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5179 (rs6000_emit_move): Add ABI_DARWIN cases.
5180 (print_operand): Ditto.
5181 (first_reg_to_save): Ditto.
5182 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5183 (debug_stack_info): Ditto.
5184 (rs6000_emit_prologue): Ditto.
5185 (rs6000_emit_epilogue): Ditto.
5186 (output_profiler_hook): Ditto.
5187 (output_function_profiler): Ditto.
5188 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5189 (output_mi_thunk): Add TARGET_MACHO case.
5190 (add_compiler_stub): Ditto.
5191 (output_compiler_stub): Ditto.
5192 (no_previous_def): Ditto.
5193 (output_call): Ditto.
5194 (machopic_output_stub): Ditto.
5195 (rs6000_machopic_legitimize_pic_address): Ditto.
5196 (toc_section): Ditto.
5197 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5198 (macho_high): Ditto.
5201 (load_macho_picbase): Ditto.
5202 (call): Add TARGET_MACHO case to modify function.
5203 (call_value): Ditto.
5204 (call_nonlocal_sysv): Add ABI_DARWIN case.
5205 (call_value_nonlocal_sysv): Ditto.
5206 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5208 (machopic_output_stub): Ditto.
5209 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5211 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5213 * dwarf2out.c (modified_type_die): Don't create new types here.
5214 * tree.h (get_qualified_type): New function.
5215 (build_qualified_type): Adjust comment.
5216 * tree.c (get_qualified_type): New function.
5217 (build_qualified_type): Use it.
5219 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * cpp.texi (-Wtraditional): Update description.
5223 * invoke.texi (-Wtraditional): Likewise.
5225 2001-04-11 Jim Wilson <wilson@redhat.com>
5227 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5228 requires more than 64 bits of alignment.
5230 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5232 * cpplib.c (do_line): Sanity check iff enable checking.
5234 2001-04-11 Richard Henderson <rth@redhat.com>
5236 * Makefile.in (insn-recog.o): Depend on toplev.h.
5237 (insn-emit.o, doloop.o): Likewise.
5238 * genrecog.c, genemit.c: Include toplev.h in generated file.
5239 * doloop.c: Include toplev.h.
5241 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5243 * Makefile.in (gcse.o): Depend on params.h.
5244 * gcse.c: Include params.h.
5245 (gcse_main): Don't do GCSE if doing so will take inordinate
5247 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5248 * params.h (MAX_GCSE_MEMORY): New macro.
5250 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5252 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5254 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5256 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5258 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5260 * real.h (ereal_atof, real_value_truncate, target_isnan,
5261 target_isinf, target_negative, assemble_real, debug_real): Delete
5262 redundant prototypes.
5264 * Makefile.in (ifcvt.o): Depend on toplev.h.
5266 * c-semantics.c: Include expr.h.
5268 * ifcvt.c: Include toplev.h.
5270 * expr.h (rtx_equal_p): Delete prototype.
5272 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5273 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5274 eliminate_constant_term, expand_complex_abs, find_single_use,
5275 make_tree, init_expr_once, init_optabs, supports_one_only):
5278 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5279 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5280 expand_assignment, store_expr, emit_line_note_after,
5281 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5283 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5285 * sparc-protos.h: Delete redundant prototypes.
5287 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5289 * reload.c (push_reload): Add condition missed in SUBREG byte
5292 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5294 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5296 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5298 * i386.md (floatsisf_sse): Fix output template
5299 * i386.c (ix86_expand_fp_movcc)
5301 * reg-stack.c (emit_pop_insn): Handle complex modes.
5302 (move_for_stack_reg): Emit proper move mode.
5303 (subst_stack_regs_pat): Handle complex modes.
5305 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5307 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5309 2001-04-10 Richard Henderson <rth@redhat.com>
5311 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5312 (__pure_virtual, __terminate, __terminate_set_func,
5313 __default_terminate, __throw_type_match, __empty,
5314 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5315 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5316 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5317 Remove prototypes of deleted functions.
5319 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5321 * c-typeck.c (convert_arguments): -Wtraditional now activates
5322 -Wconversion warnings, except for changes in signed-ness.
5323 Detect complex<->int & int<->complex conversions as well.
5325 * invoke.texi (-Wtraditional): Document it.
5327 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5329 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5330 * flow.c (set_block_for_new_insns): Remove needless cast and
5331 properly check for unset block number.
5333 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5335 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5336 the subreg was a hard register. Pseudos are left as subregs.
5338 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5340 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5341 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5342 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5343 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5344 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5346 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5348 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5350 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5352 * output.h (set_block_num): Missed it earlier, remove deprecated
5355 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5357 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5358 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5359 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5360 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5361 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5362 (expr_killed_p): Change bb parameter from int to basic_block, pass
5363 basic_blocks instead of ints as parameters.
5364 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5365 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5366 from int to basic_block, pass basic_blocks instead of ints as parms.
5367 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5368 parameter from int to basic_block, pass basic_blocks instead of ints.
5369 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5370 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5371 pass basic_blocks instead of ints.
5372 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5373 basic_blocks instead of ints as parameters.
5374 (pre_delete): Pass basic_blocks instead of ints as parameters.
5375 (hoist_expr_reaches_here_p): Change bb parameter from int to
5376 basic_block, pass basic_blocks instead of ints.
5377 (hoist_code): Pass basic_blocks instead of ints as parameters.
5378 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5379 Change bb parameter from int to basic_block.
5380 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5381 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5382 pass basic_blocks instead of ints.
5383 (insert_store): Pass basic_blocks instead of ints as parameters.
5384 (replace_store_insn, delete_store): Change bb parameter from int to
5385 basic_block, pass basic_blocks instead of ints.
5386 (store_motion): Pass basic_blocks instead of ints as parameters.
5388 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5390 * basic-block.h (set_new_block_for_insns): New Prototype.
5391 (set_block_num): Delete prototype.
5392 * flow.c (set_block_num): Remove obsolete function.
5393 (set_block_for_new_insns): Set BB for single or multiple insns.
5394 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5395 (process_insn_end_bb): Use set_block_for_new_insns or
5396 set_block_for_insn instead of set_block_num.
5397 (pre_insert_copy_insn): Use set_block_for_new_insns.
5398 (update_ld_motion_stores): Use set_block_for_new_insns.
5399 (insert_insn_start_bb): Use set_block_for_new_insns.
5400 (replace_store_insn): Use set_block_for_new_insns.
5402 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5403 Jeff Law <law@redhat.com>
5405 * alias.c (get_addr): Externalize.
5406 (canon_true_dependence): New function. Behaves like true_dependance
5407 except it already assumes a MEM has been canonicalized.
5408 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5409 * gcse.c (struct ls_expr): Add load/store expressions structure.
5410 (modify_mem_list, canon_modify_mem_list): New variable.
5411 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5412 load motion and store motion if requested.
5413 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5414 (free_gcse_mem): Free the modify_mem_list array.
5415 (oprs_unchanged_p): Use load_killed_in_block_p.
5416 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5417 (mems_conflict_for_gcse_p): New function. Don't kill loads
5418 with stores to themselves if its in the load/store expression list.
5419 (load_killed_in_block_p): New function.
5420 (canon_list_insert): New Function.
5421 (record_last_mem_set_info): Keep a list of all instructions which
5422 can modify memory for each basic block.
5423 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5424 (oprs_not_set_p): Use load_killed_in_block_p.
5425 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5426 (expr_killed_p): Use load_killed_in_block_p.
5427 (compute_transp): Do not pessimize memory references.
5428 (pre_edge_insert): Update stores for a load motion expression.
5429 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5430 (ldst_entry): Find or create a ldst_expr structure.
5431 (free_ldst_entry): Free memory for an individual item.
5432 (free_ldst_mems): Free entire load/store expression list.
5433 (print_ldst_list): Print debug info.
5434 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5435 (enumerate_ldsts): Assign integer values to each entry in list.
5436 (first_ls_expr): First expression in the list.
5437 (next_ls_expr): Next expression in the list.
5438 (simple_mem): Check if expression qualifies for ld/st expression list.
5439 (invalidate_any_buried_refs): Remove from expression list if its
5440 used in some other way we dont understand.
5441 (compute_ld_motion_mems): Find all potential enhanced load motion
5443 (trim_ld_motion_mems): Remove any expressions which are invalid.
5444 (update_ld_motion_stores): Copy store values to registers for loads
5445 which have been moved.
5446 (regvec, st_antloc, num_store): New global statics.
5447 (reg_set_info): Marks registers as set.
5448 (store_ops_ok): Verfies registers expressions are valid in a block.
5449 (find_moveable_store): Look for moveable stores in a pattern.
5450 (compute_store_table): Find stores in a function worth moving, maybe.
5451 (load_kills_store): Check dependance of a load and store.
5452 (find_loads): Find any loads in a pattern.
5453 (store_killed_in_insn): Check if a store is killed in an insn.
5454 (store_killed_after): Check is store killed after an insn in a block.
5455 (store_killed_before): Check is store killed before an insn in a block.
5456 (build_store_vectors): Generate the antic and avail vectors.
5457 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5458 (insert_store): Add a store to an edge.
5459 (replace_store_insn): Replace a store with a SET insn.
5460 (delete_store): Delete a store insn.
5461 (free_store_memory): Free memory.
5462 (store_motion): Perform store motion.
5463 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5464 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5465 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5466 (f_options): Add gcse-lm and gcse-sm.
5468 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5470 * i386.c (expand_fp_movcc): Fix condition reversal code.
5472 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5473 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5474 (CLASS_MAX_NREGS): Use it.
5476 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5477 handle properly complex values.
5478 (CLASS_MAX_NREGS): Likewise; update comment.
5480 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5482 * ia64.c (ia64_flag_schedule_insns2): New variable.
5483 (ia64_override_options): Initialize it. Clear
5484 flag_schedule_insns_after_reload.
5485 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5487 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5489 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5490 Do not require source to match destination anymore;
5491 Add abort to the nontrivial cases that should be handled by split.
5492 (fix_trunc?fdi): Add SSE case for x86_64.
5493 (floatdi?f): Likewise.
5494 (floatdi?f_sse): New.
5495 (fix_trunc?fdi_sse): New.
5497 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5499 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5500 (DEBUG_ARANGES_END_LABEL): Ditto.
5501 (dwarfout_init): Generate length and version fields at the start
5502 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5503 after the length field.
5504 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5505 the .debug_aranges info.
5507 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5509 * i386.c (call, call_value): Make sure that resulting call_insn
5510 does have proper second operand.
5512 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5514 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5515 function. Remove include of sys/cygwin.h.
5517 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5519 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5520 (CPP_SPEC): Always search */include/w32api for header files.
5521 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5522 (LINK_SPEC): Add "cyg" to the library search prefixes.
5524 2001-04-08 Philip Blundell <philb@gnu.org>
5526 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5528 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5530 * cpperror.c (print_location): Don't special case <stdin>.
5531 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5532 WARNING, but we don't check if we're in system headers.
5533 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5534 * cpplib.c (do_warning): Warn in system headers.
5536 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5538 * mbchar.c: Include config.h first.
5540 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5542 * config.gcc: Set default for xmake_file at top, not bottom.
5543 Change places that set xmake_file to "none" to set to the
5544 empty string instead, or remove them entirely if there is no
5545 default xmake_file for this cpu_type. Remove references to
5548 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5549 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5550 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5551 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5552 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5553 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5554 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5555 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5556 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5557 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5560 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5561 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5562 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5563 config/mips/x-sysv, config/rs6000/x-aix31:
5564 Just set CLIB to -lld or -lmld, as appropriate.
5566 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5567 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5568 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5569 config/mips/x-iris, config/pa/x-pa:
5570 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5571 OTHER_FIXINCLUDES_DIRS.
5573 * config/i386/x-djgpp: Don't set LN or LN_S.
5574 * config/m88k/x-dolph: Don't define __m88k__.
5575 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5576 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5577 * config/i860/fx2800.h: No need to #undef SVR4.
5579 38 x-host fragments remain, 2 x-cpu.
5581 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5583 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5585 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5587 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5589 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5591 * configure.in: Add check for lstat.
5592 * configure, config.in: Regenerate.
5593 * cppinit.c (append_include_chain): Make empty path ".".
5594 * cpplib.c (do_line): Don't simplify #line paths.
5595 * cppfiles.c (remove_component_p): New function.
5596 (find_or_create_entry): Acknowledge stat () errors during
5597 path simplification.
5598 (handle_missing_header): Don't simplify paths.
5599 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5600 the empty path untouched. Don't leave a trailing '/'.
5602 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5604 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5605 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5607 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5609 * cppfiles.c (open_file): Fail directories silently, but
5610 with an errno of NOENT set.
5611 (read_include_file): Move the common exit code to the sole
5612 caller. Return an int indicating success or failure. Let
5613 open_file handle directories.
5614 (stack_include_file): If read_include_file fails,
5615 push a "null" buffer.
5617 2001-04-05 DJ Delorie <dj@redhat.com>
5619 * function.h (virtuals_instantiated): Declare.
5620 * function.c: (virtuals_instantiated): Make global.
5621 * calls.c (emit_library_call_value_1): Use
5622 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5623 Otherwise, use the stack pointer directly.
5625 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5627 * i386.c (x86_initialize_trampoline): New global function.
5628 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5629 (INITIALIZE_TRAMPOLINE): Move offline.
5630 * i386-protos.h (x86_initialize_trampoline): Declare.
5632 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5634 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5635 (lea_0): Rename to lea_1.
5636 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5637 (lea_general_?): Allow SImodes on TARGET_64BIT
5638 (lea_general_?_zext): New patterns.
5639 (call_1, call_1_rex64): Fix.
5641 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5643 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5645 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5647 * i386.c (function_arg): Return constm1_rtx for last argument.
5648 (ix86_expand_prologue): Update gen_call calls.
5649 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5650 * i386.md (call_pop): Likewise.
5651 (call): Second operand is VOIDmode.
5652 (call_0): Likewise; Support 64bits.
5653 (call_exp): New expander.
5654 (call_1): Get to the sync.
5655 (call_1_exp): New pattern.
5656 (call_value): Support 64bit.
5657 (call_value_exp): New pattern.
5658 (untyped_call): Update gen_call call.
5659 (call_value_pop): Disable for 64bit.
5660 (call_value_0_rex64): New pattern.
5661 (call_value_1_rex64): Likewise.
5663 2001-04-05 Bo Thorsen <bo@suse.de>
5665 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5667 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5669 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5670 satisfies ANY_QI_REG_P.
5672 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5674 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5677 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5680 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5682 * config.gcc: Remove default for xm_file. Clean up local
5683 machine type handling. Remove settings of xm_file to
5684 something that doesn't exist. In the big switch, set xm_file,
5685 don't append to it (the value before the big switch is always
5686 null). Don't force build_xm_file or host_xm_file to have a value.
5687 * configure.in: Remove default for xm_file. Do not special
5688 case $cpu/xm-$cpu.h not existing.
5689 * configure: Regenerate.
5691 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5693 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5694 when folding integer division and modulo operations.
5696 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5698 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5699 instead of DWARF2_ADDR_SIZE for EH addresses.
5700 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5703 2001-04-04 Richard Henderson <rth@redhat.com>
5705 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5706 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5707 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5709 2001-04-04 Richard Henderson <rth@redhat.com>
5711 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5712 * configure: Rebuilt.
5714 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5716 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5717 push insns to delete to it instead of deleting them.
5718 (delete_null_pointer_checks): Delete insns from delete_list after
5719 all delete_null_pointer_checks_1 passes are done.
5721 2001-04-04 Richard Henderson <rth@redhat.com>
5723 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5724 * configure: Rebuilt.
5726 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5728 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5729 * config/romp/xm-romp.h: Delete.
5731 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5733 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5736 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5738 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5739 all labels present in rtx.
5740 (try_split) Call new function for all split insns.
5742 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5744 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5745 sure the change won't be validated.
5747 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5749 * rtl.h (set_noop_p): Declare.
5750 * flow.c (set_noop_p): Move from here ...
5751 * rtlanal.c (set_noop_p): ... to here and enhance.
5752 * cse.c (delete_trivially_dead_insns): Use it.
5753 * gcse.c (hash_scan_set): Likewise.
5754 * jump.c (delete_noop_moves): Likewise.
5755 * recog.c (split_all_insns): Likewise.
5757 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5759 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5760 stack pointer via a LO_SUM. Ditto for setting a temp register
5761 used to save to the stack. Set cfa_temp when setting fp, and
5762 allow matches to cfa_temp in addition to cfa_store when saving
5763 regs. Handle POST_INC and LO_SUM register stores. Document the
5764 changes and errors in rule 12 doco.
5766 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5767 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5768 (load_reg): Move closer to epilogue code.
5769 (DO_FRAME_NOTES): Define to control the following..
5770 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5771 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5773 (hppa_expand_epilogue): Likewise.
5775 2001-04-03 Richard Henderson <rth@redhat.com>
5777 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5778 * configure: Rebuild.
5780 2001-04-03 Richard Henderson <rth@redhat.com>
5782 * rtl.h (LCT_THROW): New.
5783 * calls.c (emit_library_call_value_1): Handle it.
5784 * except.c (connect_post_landing_pads): Use it.
5786 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5788 * gansidecl.h: Delete file.
5789 * configure.in: Change all refs to gansidecl.h to use
5790 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5792 * configure: Regenerate.
5794 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5795 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5796 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5797 Don't include gansidecl.h.
5798 * intl.c, main.c, version.c, fixinc/fixlib.h,
5799 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5802 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5804 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5807 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5809 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5810 config/i386/xm-next.h, config/i386/xm-sco.h,
5811 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5812 config/m88k/xm-m88k.h: Delete.
5814 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5815 * config/romp/xm-romp.h: Don't define bcopy.
5816 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5817 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5819 * config.gcc: Remove references to deleted files.
5821 14 xm-host.h remain, 1 xm-cpu.h.
5823 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5824 David S. Miller <davem@pierdol.cobaltmicro.com>
5825 Andrew MacLeod <amacleod@redhat.com>
5827 Use byte offsets in SUBREGs instead of words.
5829 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5830 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5831 to pass new argument.
5832 (add_stored_regs): Use subreg_regno_offset function.
5833 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5835 (precompute_arguments): Use gen_lowpart_SUBREG.
5836 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5837 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5838 (simplify_set): Rework to use SUBREG_BYTE.
5839 (expand_field_assignment): Use SUBREG_BYTE.
5840 (make_extraction): Use SUBREG_BYTE.
5841 (if_then_else_cond): Use SUBREG_BYTE.
5842 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5843 (gen_lowpart_for_combine): Compute full byte offset.
5844 * cse.c (mention_regs): Use SUBREG_BYTE.
5845 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5846 (canon_hash): Use SUBREG_BYTE.
5847 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5848 (gen_lowpart_if_possible): Formatting.
5849 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5851 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5852 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5853 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5854 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5855 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5856 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5857 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5858 certain invariants about SUBREGs the compiler creates.
5859 (gen_lowpart_SUBREG): New function.
5860 (subreg_hard_regno): New function to get the final register number.
5861 (gen_lowpart_common): Use SUBREG_BYTE.
5862 (gen_imagpart): Spacing nits.
5863 (subreg_realpart_p): Use SUBREG_BYTE.
5864 (gen_highpart): Use SUBREG_BYTE.
5865 (subreg_lowpart_p): Always compute endian corrected goal offset,
5866 even at the byte level, then compare against that.
5867 (constant_subword): New function, pulled out all constant cases
5868 from operand_subword and changed second argument name to offset.
5869 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5870 and call constant_subword to do the work. Return const0_rtx if
5871 looking for a word outside of OP.
5872 (operand_subword_force): Change second arg name to offset.
5873 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5874 (store_split_bit_field): Use SUBREG_BYTE.
5875 (extract_bit_field): Use SUBREG_BYTE.
5876 (extract_split_bit_field): Use SUBREG_BYTE.
5877 (expand_shift): Use SUBREG_BYTE.
5878 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5879 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5880 * flow.c (set_noop_p): Use SUBREG_BYTE.
5881 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5882 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5883 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5885 (optimize_bit_field): Use SUBREG_BYTE.
5886 (purge_addressof_1): Use SUBREG_BYTE.
5887 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5888 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5889 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5890 * gengenrtl.c (special_rtx): Add SUBREG.
5891 * global.c (mark_reg_store): Use SUBREG_BYTE.
5892 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5893 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5894 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5895 final byte offset is congruent to subreg's mode size.
5896 (subst_constants): Use SUBREG_BYTE.
5897 (mark_stores): Use subreg_regno_offset function.
5898 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5899 function and SUBREG_BYTE.
5900 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5901 (reg_is_born): Use subreg_hard_regno.
5902 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5903 endian correction code. Don't combine subregs unless resulting
5904 offset aligns with type. Fix subreg constant extraction for DImode.
5905 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5906 (general_operand): Remove dead mode_altering_drug code.
5907 (indirect_operand): Use SUBREG_BYTE.
5908 (constrain_operands): Use subreg_regno_offset function.
5909 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5910 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5911 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5912 * regs.h (REG_SIZE): Allow target to override.
5913 (REGMODE_NATURAL_SIZE): New macro which target can override.
5914 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5915 on the entire subreg rtx.
5916 (push_reload): Use SUBREG_BYTE in comments and code.
5917 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5918 for hard registers inside subregs.
5919 (operands_match_p): Use subreg_regno_offset.
5920 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5921 containing hard regs.
5922 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5923 corrections when fixing up MEM subregs.
5924 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5925 subreg_regno_offset where appropriate.
5926 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5927 byte endian corrections when fixing up MEM subregs.
5928 (subst_reloads): When combining two subregs, make sure final
5929 offset is congruent to subreg's mode size.
5930 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5931 (refers_to_regno_for_reload_p): Use subreg_regno.
5932 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5933 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5934 correction code for memory subreg fixups.
5935 (forget_old_reload_1): Use subreg_regno_offset.
5936 (choose_reload_regs): Use subreg_regno.
5937 (emit_input_reload_insns): Use SUBREG_BYTE.
5938 (reload_combine_note_store): Use subreg_regno_offset.
5939 (move2add_note_store): Use subreg_regno_offset.
5940 * resource.c (update_live_status, mark_referenced_resources): Use
5941 subreg_regno function.
5942 (mark_set_resources): Use subreg_regno function.
5943 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5944 (subreg_regno_offset, subreg_regno): Define prototypes.
5945 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5946 (gen_lowpart_SUBREG): Add prototype.
5947 * rtl.texi (subreg): Update to reflect new byte offset representation.
5948 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5949 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5950 (reg_overlap_mentioned_p): Use subreg_regno.
5951 (replace_regs); Make sure final offset of combined subreg is
5952 congruent to size of subreg's mode.
5953 (subreg_regno_offset): New function.
5954 (subreg_regno): New function.
5955 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5956 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5957 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5958 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5959 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5960 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5961 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5962 (print_operand): Use SUBREG_BYTE.
5963 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5964 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5965 (arm_reload_out_hi): Use SUBREG_BYTE.
5966 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5967 instead of SUBREG_WORD.
5968 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5969 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5970 SUBREG creation to use byte offset.
5971 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5972 inverted load insns): Fix explicit rtl subregs to use byte
5974 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5975 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5976 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5977 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5978 to use byte offsets.
5979 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5980 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5981 offsets, also make sure it is congruent to SUBREG's mode size.
5982 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5983 unnamed ldob insn): Generate SUBREGs with byte offset.
5984 (zero_extendqihi2): SUBREG's are byte offsets.
5985 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5986 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5987 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5988 zero-extendqisi2): Generate SUBREGs with byte offset.
5989 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5990 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5991 subregs in rtl to use byte offsets.
5992 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5993 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5994 (mips_move_2words): Use subreg_regno_offset.
5995 (mips_secondary_reload_class): Use subreg_regno_offset.
5996 * config/mips/mips.md (DImode plus, minus, move, and logical op
5997 splits): Fixup explicit subregs in rtl to use byte offsets.
5998 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5999 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6000 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6001 rtl to use byte offsets.
6002 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6003 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6004 subregs to use byte offsets.
6005 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6006 Fixup explicit subregs in rtl to use byte offsets.
6007 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6008 and remove byte endian correction code.
6009 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6010 (gen_ashift_hi): Use SUBREG_BYTE.
6011 (regs_used): Use subreg_regno_offset.
6012 (machine_dependent_reorg): Use subreg_regno_offset.
6013 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6014 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6015 (movdf_i4): Subregs are byte offsets now.
6016 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6017 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6018 (REGMODE_NATURAL_SIZE): Override.
6019 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6020 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6022 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6023 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6024 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6025 it is congruent to SUBREG's mode size.
6026 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6028 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6029 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6030 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6031 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6032 * config/v850/v850.c (print_operand, output_move_double): Use
6033 subreg_regno function.
6035 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6037 * configure.in (target_subdir): Use target_alias, not target.
6038 * configure: Rebuilt.
6040 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6042 * config/sh/crti.asm: Fix typos in comments.
6044 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6046 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6047 TARGET_FAST_INDIRECT_CALLS.
6048 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6050 (return_addr_rtx): Short circuit export stub matching when
6051 TARGET_NO_SPACE_REGS.
6052 (output_millicode_call): For out of range calls, make -fPIC
6053 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6054 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6055 * pa.md: Modify length attr calculation of all millicode insns to
6058 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6060 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6061 Require at least 2.11 in the version test. Specifically check
6062 for and reject GAS version 2.10.90.
6063 * configure: regenerate.
6065 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6067 * pa.c (override_options): Remove PIC profiling warning.
6068 (hp_profile_labelno): Delete.
6069 (hp_profile_label_rtx): Delete.
6070 (hp_profile_label_name): Delete.
6071 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6072 (output_function_prologue): Remove profiling code and all tests on
6073 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6074 merge_sp_adjust_with_store can work for PIC and profiling.
6075 (hppa_expand_epilogue): Remove profile_flag test.
6076 (hppa_can_use_return_insn_p): Likewise.
6077 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6078 cater for PROFILE_HOOK.
6079 (hppa_profile_hook): New function.
6080 * pa.h (FUNCTION_PROFILER): Now does nothing.
6081 (PROFILE_HOOK): Define.
6082 (hppa_profile_hook): Declare.
6083 (PROFILE_BEFORE_PROLOGUE): Delete.
6084 (ASM_OUTPUT_REG_PUSH): Delete.
6085 (ASM_OUTPUT_REG_POP): Delete.
6086 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6087 r24. Accept function name operand, and use this and a locally
6088 generated label to calculate pc-rel offset to func start.
6090 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6092 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6093 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6096 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6098 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6099 LO_SUM cases to where they belong.
6101 2001-04-02 Richard Henderson <rth@redhat.com>
6103 * except.h (lang_eh_type_covers): Mark extern.
6104 (lang_eh_runtime_type): Likewise.
6106 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6108 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6109 gengenrtl.c: Wrap generated header in multiple-include guard.
6110 Improve error checking.
6112 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6114 * configure.in: Don't check for putenv.
6115 * configure: Regenerate.
6116 * gcc.c (putenv): Don't define.
6117 * vax/xm-vms.h: Handle putenv.
6119 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6121 * ifcvt.c (noce_emit_move_insn): New.
6122 (noce_try_store_flag, noce_try_store_flag_constants,
6123 noce_try_store_flag_inc, noce_try_store_flag_mask,
6124 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6125 noce_try_abs): Use it.
6126 (noce_process_if_block): Likewise.
6127 For STRICT_LOW_PART, take mode from its SUBREG.
6129 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6131 * fold-const.c (fold): Before optimizing unsigned comparison with
6132 0x7fffffffU, make sure arg0 is integral type.
6134 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6136 * c-tree.texi: Document representation of wide strings.
6138 2001-04-01 Richard Henderson <rth@redhat.com>
6140 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6142 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6144 * i386.md: remove obsoleted comments.
6145 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6146 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6147 fix output template.
6149 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6151 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6153 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6155 * loop.c (load_mems): When generating a load from a pseudo, update
6158 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6160 * i386.c (ix86_split_long_move): Use change address to compensate
6161 stack pointer change in push instruction.
6163 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6165 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6166 instead of rtx_equal_p; fix the output template.
6168 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6170 * i386.c (ix86_expand_setcc): Support 64bit.
6171 (ix86_expand_int_movcc): Likewise.
6172 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6175 * i386.md (allocate_stack_worker): Turn to expander.
6176 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6178 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6180 2001-03-29 Richard Henderson <rth@redhat.com>
6182 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6184 2001-03-28 Matthew Hiller <hiller@redhat.com>
6186 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6189 * MAINTAINERS: Added self.
6191 2001-03-28 Richard Henderson <rth@redhat.com>
6193 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6194 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6196 2001-03-28 Jim Wilson <wilson@redhat.com>
6198 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6201 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6203 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6205 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6208 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6210 2001-03-28 DJ Delorie <dj@redhat.com>
6212 * Makefile.in (stage1_build): Revert CFLAGS patch.
6214 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6216 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6217 when multiplier or multiplicand is zero.
6219 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6221 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6223 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6225 (set_src_needs_barrier): Likewise.
6226 (rtx_needs_barrier): For SET case, use these two functions. Rework
6227 PARALLEL case to handle all inputs before all outputs.
6228 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6229 saw a label and no stop bit since then.
6230 (maybe_rotate, process_epilogue): Add prototypes.
6232 2001-03-28 Richard Henderson <rth@redhat.com>
6234 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6235 not TARGET_TOC for special toc restore handling.
6236 * config/rs6000/rs6000.md (eh_return): Likewise.
6238 2001-03-28 Richard Henderson <rth@redhat.com>
6240 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6241 current_function_calls_eh_return.
6242 (output_function_epilogue): Handle eh_return.
6243 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6244 (EH_RETURN_DATA_REGNO): New.
6245 (EH_RETURN_STACKADJ_RTX): New.
6246 (EH_RETURN_HANDLER_RTX): New.
6247 * config/sparc/sparc.md (call/short branch peepholes): Check
6248 can_throw_internal instead of in_same_eh_region.
6250 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6251 for eh_return data registers.
6252 (rs6000_emit_prologue): Save eh_return data registers.
6253 (rs6000_emit_epilogue): Force inline restores if eh_return.
6254 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6255 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6256 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6257 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6258 the target uses one.
6259 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6260 (return_eh_si, return_eh_di): Remove.
6261 (eh_return): New, from corpse of eh_epilogue.
6262 (eh_set_lr_si, eh_set_lr_di): New.
6264 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6265 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6266 True for pic register if current_function_calls_eh_return.
6267 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6268 Handle eh_return requirements.
6269 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6270 (EH_RETURN_STACKADJ_RTX): New.
6271 * config/i386/i386.md (exception_receiver): Remove.
6272 (eh_return, eh_return_1): New.
6273 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6275 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6276 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6277 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6278 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6279 (EH_RETURN_DATA_REGNO): New.
6280 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6281 * config/alpha/alpha.md (eh_epilogue): Remove.
6282 (exception_receiver): Use $26 for ldgp input.
6283 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6285 2001-03-28 Richard Henderson <rth@redhat.com>
6287 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6288 * except.h: Likewise.
6290 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6291 (LIB2ADDEHDEP): New.
6292 (LIB2FUNCS_EH): Remove.
6293 (LIB2ADD): Remove LIB2ADDEH.
6294 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6295 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6296 (crt{begin,end}[S].o): Likewise.
6297 (except.o): Update includes.
6298 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6299 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6301 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6302 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6303 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6304 * builtins.c (expand_builtin): Implement it.
6305 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6306 * c-common.c (c_common_nodes_and_builtins): Declare it.
6307 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6308 * calls.c (libfunc_nothrow): Remove.
6309 (emit_library_call_value_1): Don't call it.
6310 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6311 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6312 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6313 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6314 (current_funcdef_number): Globalize.
6315 (output_call_frame_info): Emit frame data if an lsda is needed.
6316 Generate augmentation for personality routine. Don't play with
6318 (dwarf2out_begin_prologue): Record funcdef_number.
6319 * dwarf2out.h (current_funcdef_number): Declare.
6320 * expr.c (expand_expr): Update for except.h name changes.
6321 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6322 * expr.h (LTI_throw, LTI_rethrow): Remove.
6323 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6324 (LTI_eh_rtime_match): Remove.
6325 (LTI_unwind_resume, LTI_eh_personality): Add.
6326 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6327 * final.c (final): Don't call check_exception_handler_labels,
6328 init_insn_eh_region, or free_insn_eh_region.
6329 (final_scan_insn): Always emit debug labels for
6330 NOTE_INSN_EH_REGION notes.
6331 * flags.h (flag_new_exceptions): Remove.
6332 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6333 (record_active_eh_regions): Remove.
6334 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6335 Use can_throw_internal.
6336 (find_basic_blocks_1): Likewise.
6337 (move_stray_eh_region_notes): Remove.
6338 (find_label_refs): No eh_return_stub_label.
6339 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6340 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6342 (delete_unreachable_blocks): Don't track deleted handlers.
6343 (flow_delete_block): Use maybe_remove_eh_handler.
6344 (delete_eh_regions): Remove.
6345 (merge_blocks): Don't check for eh region match.
6346 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6347 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6348 (init_propagate_block_info): Disable dead frame store optimization
6349 when current_function_calls_eh_return.
6350 (dump_bb): Don't print eh_beg, eh_end.
6351 * function.c (fixup_var_refs): No catch_clauses.
6352 (expand_function_end): Likewise. Call expand_eh_return before
6353 the return register use. Call sjlj_emit_function_exit_after.
6354 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6355 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6356 * ifcvt.c (dead_or_predicable): Remove eh region check.
6357 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6358 Don't check for EH vs parameters.
6359 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6360 (expand_inline_function): Call duplicate_eh_regions.
6361 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6362 (copy_insn_notes): Remap REG_EH_REGION notes.
6363 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6364 * integrate.h (struct inline_remap): Add local_return_label.
6365 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6366 check_exception_handler_labels, nor exception_optimize.
6367 (find_cross_jump): No EH region check.
6368 * optabs.c (init_optabs): Update for changed eh libfuncs.
6369 * rtl.def (RESX): New.
6370 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6371 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6372 checks. Update for except.h name changes.
6373 (expand_cleanups): Likewise.
6374 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6375 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6376 (compile_file): Call init_eh before init_optabs. Don't
6377 output_exception_table here.
6378 (rest_of_compilation): Call convert_from_eh_region_ranges,
6379 convert_to_eh_region_ranges, output_function_exception_table.
6380 Don't emit_eh_context.
6381 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6382 (EXC_PTR_EXPR): New.
6384 * md.texi (eh_epilogue): Remove.
6385 (eh_return): Document.
6386 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6387 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6389 * eh-common.h: Remove file.
6390 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6391 * libgcc2.c (L_eh): Remove.
6393 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6394 * unwind-dw2-fde.h: New file.
6395 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6396 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6397 * libgcc-std.ver: Update for eh symbols.
6399 2001-03-27 Richard Henderson <rth@redhat.com>
6401 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6402 reduce false positives.
6403 (regmove_optimize): Disable if flag_non_call_exceptions.
6405 * stmt.c (expand_return): Remove always true predicate.
6406 (expand_decl_cleanup_no_eh): Remove dead code.
6408 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6409 barrier code. Add a scheduling barrier if a non-call insn
6410 can throw internally.
6412 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6413 Auto-inc addresses trap only if their base register does.
6415 * except.c (can_throw_internal): Rename from can_throw.
6416 * except.h, resource.c: Update references.
6418 * integrate.c (copy_insn_list): Use returnjump_p.
6419 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6421 * function.h (struct function): Move all boolean valued fields
6422 to single bit fields at the end of the struct.
6424 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6426 Rename asynchronous_exceptions to flag_non_call_exceptions.
6428 * gthr-single.h (UNUSED): New. Distinguish between how C
6429 and C++ mark unused function arguments. Use throughout.
6431 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6432 value to target configuration header.
6433 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6434 * config.in, configure: Rebuild.
6435 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6436 configuration and target defines.
6437 (exceptions_via_longjmp): Remove.
6438 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6439 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6441 * except.h (flag_non_call_exceptions): Move ...
6442 * flags.h: ... here.
6444 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6445 exceptions, put the note on the trapping instruction.
6447 * flags.h (flag_new_exceptions): Remove.
6448 * toplev.c: Don't set it.
6449 * final.c: Don't check it.
6450 * except.c: Provide stub definition.
6452 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6453 (calculate_global_regs_live): Kill call-clobbered registers
6454 across exception edges.
6455 * reg-stack.c (convert_regs_1): Kill the entire target stack
6456 across non-call exception edges.
6458 * flow.c (cleanup_cfg): Take no argument.
6459 * output.h, sibcall.c, toplev.c: Update all calls.
6461 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6463 * configure.in: Don't check for bcopy.
6464 * configure, config.in: Regenerate.
6466 * system.h: Don't define or prototype bcopy, instead poison it.
6468 2001-03-27 Richard Henderson <rth@redhat.com>
6470 * function.c (expand_function_start): Set DECL_REGISTER on
6471 a pseudo used for DECL_RESULT.
6473 * rtl.h (LCT_NORETURN): New.
6474 * calls.c (emit_library_call_value_1): Handle it.
6476 2001-03-27 Stan Shebs <shebs@apple.com>
6478 * objc/objc-act.c (objc_init): Use dump_base_name.
6479 (gen_declaration): Clear the buffer arg.
6480 (gen_declaration_1): New function, body of gen_declaration.
6481 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6482 (gen_method_decl): Ditto, plus always clear buffer arg.
6483 (error_with_ivar): Simplify.
6484 (warn_with_method): Ditto.
6485 (build_message_expr): Don't clear buffers.
6486 (dump_interface): Ditto.
6487 (objc_debug): Ditto.
6488 (build_keyword_selector): Clear the buffer by only zeroing
6490 (objc_implementation_context): Declare.
6491 (start_class): Warn about missing @end.
6492 (finish_objc): Ditto.
6494 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6496 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6498 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6500 * Makefile.in (SYSTEM_H): Define.
6501 Depend on $(SYSTEM_H), not system.h.
6503 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6505 2001-03-27 Jim Wilson <wilson@redhat.com>
6507 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6509 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6510 (process_epilogue): New static function.
6511 (process_set): Call process_epilogue instead of emitting .restore
6513 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6515 * flow.c (struct reg_cond_life_info): New fields orig_condition
6517 (init_propagate_block_info): Set new fields.
6518 (mark_regno_cond_dead): Set and use new fields.
6519 (flush_reg_cond_reg_1): Likewise.
6520 (and_reg_cond, case AND): Check for redundant AND conditions.
6521 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6524 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6526 * cppmacro.c (stringify_arg): Null terminate strings.
6528 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6530 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6531 inclusion style. xm-m68hc11.h no longer exists.
6532 * config/m68hc11/xm-m68hc11.h: Delete file.
6533 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6535 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6536 Don't define GCC_VERSION, N_, or PARAMS; don't include
6537 gansidecl.h or stdio.h. Define inhibit_libc here.
6538 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6539 Delete code conditioned on #if GCC_VERSION == 2095.
6541 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6542 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6543 Delete code conditioned on #if GCC_VERSION == 2095.
6545 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6547 * system.h: Include symcat.h.
6548 (STRINGIFY): Don't define.
6550 * configure.in: Adjust comment.
6552 * builtins.c: Use STRINGX, not STRINGIFY.
6553 * gencheck.c: Likewise.
6554 * gengenrtl.c: Likewise.
6555 * protoize.c: Likewise.
6557 * cpplex.c: Don't include symcat.h.
6558 * cpplib.c: Likewise.
6560 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6562 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6564 * c-typeck.c (digest_init): Fold init expression.
6566 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6568 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6570 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6572 * except.c (eh_regs): Save results of build_pointer_type to a temp
6573 as FUNCTION_VALUE macro may evaluate its args multiple times.
6575 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6577 * c-common.h (DECL_NUM_STMTS): New macro.
6578 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6580 (pushdecl): Likewise.
6581 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6582 * integrate.c (expand_inline_function): Don't check
6584 * print-tree.c (print_node): Don't print it.
6585 * toplev.c (rest_of_compilation): Don't try to inline when
6586 flag_no_inline is on.
6587 * tree.h (DECL_FRAME_SIZE): Remove.
6588 (tree_decl): Adjust accordingly.
6590 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6592 * combine.c (try_combine): Use memcpy, not bcopy.
6594 * genattrtab.c (expand_units): Likewise.
6596 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6598 * i386.md (push mem DI peep2): New.
6599 (mov 0, mov -1 peep2): Handle 64bit.
6600 (lea to arithmetics peep2): Handle 64bit leas.
6601 (rsp arithmetics to push/pop peep2s): New.
6603 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6605 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6607 * i386.c (struct machine_function): Add save_varrargs_registers.
6608 (ix86_save_varrargs_registers): New macro.
6609 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6610 (ix86_expand_prologue): Likewise.
6611 (ix86_emit_epilogue_esp_adjustement): Likewise.
6612 (ix86_expand_epilogue): Likewise.
6613 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6614 (pro_epilogue_adjust_stack_1): New insn.
6615 (pro_epilogue_adjust_stack_rex64): Likewise.
6616 * i386.h (MASK_NO_RED_ZONE): New constant.
6617 (TARGET_RED_ZONE): New macro.
6618 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6619 (RED_ZONE_SIZE): New constant.
6620 (RED_ZONE_RESERVE): New constant.
6622 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6624 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6626 2001-03-25 Kazu Hirata <kazu@hxi.com>
6628 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6631 (umodhi3): Likewise.
6634 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6636 * mkconfig.sh (DEFINES): Handle entries with '='.
6638 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6639 Set xm_defines to MACRO=value instead.
6641 * i370/xm-mvs.h: Delete.
6643 * ns32k/xm-pc532-min.h: Likewise.
6645 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6647 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6649 use ix86_expand_binary_operator
6650 (?sh??i_?): Disable for 64bit.
6651 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6652 * i386.c (shiftdi_operand): New predicate.
6654 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6655 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6656 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6657 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6658 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6659 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6660 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6661 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6662 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6663 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6664 (rotldi3, rotrdi3): New expanders.
6666 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6668 * i386.md (movstrsi): Move offline.
6670 (strmovdi_rex64): New.
6671 (strmov?i): Accept 64bit.
6672 (strmov?i_rex64): New.
6673 (strmov?i_rex_1): New.
6674 (strmov?i_1): Disable for 64bit.
6675 (rep_mov?i_rex64): New.
6676 (rep_mov?i): Disable for 64bit.
6677 (clrstrsi): Move offline.
6678 (strset?i_rex64): New.
6679 (strset?i: Accept 64bit.
6680 (rep_stos?i): Disable for 64bit.
6681 (rep_stos?i_rex64): New.
6682 (strset?i_rex_1): New.
6683 (strset?i_1): Disable for 64bit.
6684 (cmpstrsi): Accept 64bit.
6685 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6686 (cmpstrqi_nz_rex_1): New.
6687 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6688 (strlensi): Move offline.
6690 (strlenqi_1): Disable for 64bit; fix constraints.
6691 (strlenqi_rex_1): New.
6692 * i386.c (ix86_adjust_counter): New static function.
6693 (ix86_zero_extend_to_Pmode): Likewise.
6694 (ix86_expand_aligntest): Likweise.
6695 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6696 (ix86_expand_movstr): New global function.
6697 (ix86_expand_clrstr): New global function.
6698 (ix86_expand_strlen): New global function.
6699 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6700 ix86_expand_strlen): Declare.
6701 (ix86_expand_strlensi_unroll_1): Delete.
6703 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6705 * i386.md (cmpdi): Fix operand predicates.
6706 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6707 cmpdi_1_insn_rex64): New patterns.
6708 (adddi3): Turn to expander.
6709 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6710 (addsi3_carry_zext): New pattern.
6711 (adddi_?_rex64): New patterns and splitters.
6712 (addsi_?_zext): New patterns.
6713 (subsi3_carry_zext): New pattern.
6714 (subdi_?_rex64): New patterns and splitters.
6715 (iorsi_?_zext): New patterns.
6716 (iordi_?_rex64): New patterns and splitters.
6717 (iorsi_?_zext): New patterns.
6718 (iorsi_?_zext_imm): New patterns.
6719 (xorsi_?_zext): New patterns.
6720 (xordi_?_rex64): New patterns and splitters.
6721 (xorsi_?_zext): New patterns.
6722 (negdi*): New patterns.
6723 (one_cmpldi*): Likewise.
6724 (one_cmplsi*_zext, negsi*_zext): Likewise.
6725 (testqi_ext_3_rex64): New pattern.
6727 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6729 * i386-protos.h (ix86_split_long_move): Return void.
6730 * i386.c (ix86_split_to_parts): Handle 64bit target.
6731 (ix86_split_long_move): Likewise.
6732 * i386.md (all calls to ix86_split_long_move): Update.
6734 2001-03-23 Richard Henderson <rth@redhat.com>
6736 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6737 to avoid shadowing arguments.
6739 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6741 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6742 to variable names where DECL_NAME is different from
6743 DECL_ASSEMBLER_NAME.
6745 2001-03-23 Jim Wilson <wilson@redhat.com>
6747 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6748 (assemble_alias): Call make_decl_rtl.
6750 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6752 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6754 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6756 * extend.texi: Document the "java_interface" attribute.
6758 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6760 * mkconfig.sh: Use a subshell with redirected stdout,
6761 instead of closing stdout and confusing commands that run
6762 afterward. Throw away output of cmp.
6764 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6766 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6768 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6770 * i386.md (zero_extendsidi2_32): Break out from ...
6771 (zero_extendsidi2): ... here ; turn to expander.
6772 (zero_extendsidi2_rex64): New.
6773 (extendsidi2_32): Break out from ...
6774 (extendsidi2): ... here ; turn to expander.
6775 (extendsidi2_rex64): New.
6776 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6777 (trunc?f?f splitters): Add 64bit versions.
6779 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6781 * i386.md (pushsi, pushsi2_prologue): Disable.
6782 (pushsi2_rex64): New.
6783 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6784 (movqi_ext_1): Disable for 64bit.
6785 (movqi_ext_1_rex64): New.
6786 (pushdi2_rex64): New pattern, peep2s and splitter.
6787 (pushdi2_prologue_rex64): New pattern.
6788 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6790 (movdi splitters): Disable for 64bit.
6791 (movdi_1_rex64): New pattern, peep2s and splitters.
6792 (swapdi): New pattern.
6793 (pushsf): Disable for 64bit.
6794 (pushsf_rex64): New pattern and splitter.
6795 (pushdf_nointeger): Disable for 64bit.
6796 (pushdf_integer): Handle the 64bit case.
6797 (pushtf): Likewise; update splitters.
6799 2001-03-22 Richard Henderson <rth@redhat.com>
6801 * mkconfig.sh: Include insn-flags.h.
6802 * Makefile.in (CONFIG_H): Include insn-flags.h.
6803 (lots of objects): Remove insn-codes.h and insn-flags.h.
6805 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6806 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6807 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6808 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6809 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6810 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6811 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6812 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6813 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6814 v850/v850.c, vax/vax.c:
6815 Don't include insn-flags.h.
6817 * diagnostic.c, expr.h, reload.c, toplev.c:
6818 Don't include insn-codes.h.
6820 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6821 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6822 c4x/c4x.c, i960/i960.c, mips/mips.c:
6823 Don't include insn-codes.h or insn-flags.h.
6825 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6826 or insn-flags.h in the generated code.
6827 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6828 (main): Forward declare struct rtx_def.
6830 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6832 * invoke.texi (-ffast-math): Remove duplicate line about
6835 * gcc.texi: Remove more obsolete documentation of bugs and
6836 installation problems.
6838 2001-03-21 Kazu Hirata <kazu@hxi.com>
6840 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6843 2001-03-20 Jason Merrill <jason@redhat.com>
6845 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6847 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6848 * varasm.c (CHKR_PREFIX): Likewise.
6850 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6852 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6853 is part of a multi-SET insn.
6855 * cse.c (find_comparison_args): Remove previous change.
6856 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6859 * config/i386/i386.md (conditional_trap): Remove warning.
6861 * recog.c (push_operand): Fix error in last change that caused
6862 undefined symbol on many targets.
6864 * sdbout.c: #include ggc.h.
6865 (sdbout_init): Move to end of file.
6866 Call ggc_add_tree_root for anonymous_types.
6867 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6868 (sdbout_one_type): Use DECL_NAME for field name.
6869 * Makefile.in (sdbout.o): Show includes ggc.h.
6871 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6873 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6874 (override_options): Use properlimits for preferred_stack_boundary.
6875 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6877 (ext_register_operand): Accept DImode.
6878 (load_pic_register): Abort on 64bit.
6879 (gen_push): Use Pmode instead of SImode.
6880 (ix86_save_reg): Pic reg is never used on 64bit.
6881 (ix86_expand_prologue): Likewise.
6882 (ix86_emit_save_regs): Use Pmode instead of SImode.
6883 (legitimate_address_p): Check displacement for 64bit.
6884 (print_operand): Avoid outputting of (%rip) on 64bit.
6885 (print_operand_address): Output (%rip) where possible.
6886 (split_di): Abort on 64bit registers.
6887 (ix86_expand_branch): DImode comparison is simple for x86_64.
6888 (memory_address_length): Recognize memory addresses formed using
6890 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6892 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6894 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6896 * recog.c (push_operand): Recognize new format of push instructions.
6898 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6900 * i386.md (pushqi1): New.
6901 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6902 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6903 x86_64_immediate_operand, x86_64_immediate_operand,
6904 x86_64_zext_immediate_operand): Declare.
6905 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6906 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6907 x86_64_immediate_operand, x86_64_immediate_operand,
6908 x86_64_zext_immediate_operand): define.
6909 * i386.h (PREDICATE_CODES): Add new predicates.
6911 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6913 * i386.md (pophi1, popqi1, pushqi1): Remove.
6915 * expr.c (emit_single_push_insn): New function.
6916 (move_by_pieces): Accept NULL as destination for push instructions.
6917 (gen_push_operand): Kill.
6918 (emit_push_insn): Pass NULL when pushing; avoid updating of
6919 stack_pointer_delta.
6920 * expr.h (gen_push_operand): Kill.
6922 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6924 * rtl.texi (COMPARE): Clarify documentation and reference section
6927 2001-03-20 Stan Shebs <shebs@apple.com>
6929 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6930 (get_object_reference): Ditto.
6931 (error_with_ivar): Use error_with_file_and_line.
6932 (warn_with_method): Use warning_with_file_and_line.
6934 2001-03-20 Tom Tromey <tromey@redhat.com>
6936 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6938 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6940 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6941 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6943 2001-03-20 DJ Delorie <dj@redhat.com>
6945 * Makefile.in (install-libgcc): Pass complete list of variables.
6946 (install-multilib): Ditto.
6948 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6950 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6951 drectve_section, switch_to_section.
6953 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6954 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6955 i386_pe_mark_dllimport.
6957 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6959 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6960 functions i386_pe_*.
6962 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6963 i386_pe_* functions with char * arguments.
6965 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6967 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6969 (movsi_ie): Introduce fpul store.
6971 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6973 * Makefile.in (OBJS): Remove hashtab.o.
6975 2001-03-19 Stan Shebs <shebs@apple.com>
6977 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6978 * c-lang.c (maybe_objc_method_name): Ditto.
6979 * c-tree.h (maybe_objc_method_name): Remove decl.
6981 2001-03-19 Tom Tromey <tromey@redhat.com>
6983 * gcc.c (init_gcc_specs): Fix comment.
6985 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6987 Compute DECL_ASSEMBLER_NAME lazily.
6988 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6989 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6990 (SET_DECL_ASSEMBLER_NAME): Likewise.
6991 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6992 (set_decl_assembler_name): Declare.
6993 (lang_set_decl_assembler_name): Likewise.
6994 * tree.c (lang_set_decl_assembler_name): New variab.e
6995 (set_decl_assembler_name): New function.
6996 (init_obstacks): Set lang_set_decl_assembler_name.
6997 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6998 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6999 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7000 where it's not necessary.
7001 (builtin_function): Likewise.
7002 (finish_decl): Likewise.
7003 * dbxout.c (dbxout_type_methods): Likewise.
7004 * ggc-common.c (ggc_mark_trees): Likewise.
7005 * profile.c (output_func_start_profiler): Likewise.
7006 * varasm.c (make_decl_rtl): Likewise.
7008 * cse.c (find_comparison_args): Update documentation. Fix
7009 mishandling of COMPARE operations.
7011 * tree.def (ABS_EXPR): Add documentation.
7012 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7014 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7016 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7018 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7020 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7021 Remove ia32 linux PIC kludge and move it...
7022 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7024 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7026 * i386.md (absdf2 expander): Fix 64bit case.
7028 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7030 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7032 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7034 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7036 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7038 * README.X11: Remove obsolete file.
7040 2001-03-18 Anthony Green <green@redhat.com>
7042 * config/pj/pj.h: Remove some trailing commas.
7043 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7045 2001-03-18 Richard Henderson <rth@redhat.com>
7047 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7048 * calls.c: ... here.
7049 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7050 defaults for them here.
7052 2001-03-17 Anthony Green <green@redhat.com>
7054 * config/pj/lib1funcs.S: Fix broken comment.
7055 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7058 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7060 * gcc.texi: Remove obsolete information relating to build and
7061 installation problems with enquire or the Pyramid C compiler.
7063 2001-03-17 Richard Henderson <rth@redhat.com>
7065 * dwarf2out.c (queue_reg_save): New.
7066 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7067 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7069 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7070 (cfa, cfa_store, cfa_temp): Make static.
7071 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7073 2001-03-17 Richard Henderson <rth@redhat.com>
7075 * integrate.h (struct inline_remap): Add local_return_label.
7076 * integrate.c (expand_inline_function): Initialize it and emit
7077 it after copy_insn_notes.
7078 (copy_insn_list): Don't store local_return_label here.
7079 (copy_insn_notes): New function split out from copy_insn_list.
7081 2001-03-17 Richard Henderson <rth@redhat.com>
7083 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7084 is generating .debug_line.
7085 (dwarf2out_init): Add main_input_filename to the file table first.
7086 * configure.in (as_dwarf2_debug_line): Test with file number 1
7087 instead of file number 0.
7089 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7091 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7092 (gen_rtx_combine): Deleted; all references changed as appropriate.
7093 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7095 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7097 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7099 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7102 2001-03-16 Jim Wilson <wilson@redhat.com>
7104 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7105 then set it to LOC_REG (79) instead of aborting.
7107 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7109 * gccbug.in: Remove high priority.
7111 2001-03-16 Richard Henerson <rth@redhat.com>
7113 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7114 output with a space instead of deleting it.
7115 * configure: Regenerate.
7117 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7119 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7120 handles the gory details of converting an object file into
7121 something that's safe to grep.
7122 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7123 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7124 newlines at either end of the string we're looking for.
7125 Make 'checking ...' message less stilted.
7126 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7127 ARM in-memory layout and its hypothetical converse. Don't
7128 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7129 HOST_WORDS_BIG_ENDIAN.
7131 * configure.in: Adjust for renamed macro. Move
7132 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7133 * configure, config.in: Regenerate.
7135 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7137 * fixinc/Makefile.in: Set SHELL.
7139 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7141 * fixinc/fixincl.c (fix_with_system): Quote file names before
7142 passing them to shell.
7144 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7146 * Makefile.in: Use fix-header$(build_exeext) instead
7149 2001-03-16 Richard Henderson <rth@redhat.com>
7151 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7152 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7153 (size_of_line_prolog): Remove.
7154 (output_line_info): Compute prologue size via label difference.
7155 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7157 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7158 assembler error when redefining file numbers.
7159 * config.in, configure: Rebuild.
7161 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7162 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7163 (dw2_asm_output_delta_uleb128): Likewise.
7164 (dw2_asm_output_delta_sleb128): Similarly.
7165 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7167 2001-03-16 Michael Meissner <meissner@redhat.com>
7169 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7171 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7173 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7175 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7176 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7177 being unsigned in ISO C and signed in traditional.
7178 (expand_prologue): Ditto.
7179 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7181 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7183 (divsi3,divdi3): Ditto.
7184 (modsi3,moddi3): Ditto.
7185 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7186 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7187 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7190 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7192 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7193 SSE based conditional moves on LTGT/UNEQ conditions;
7194 Canonicalize EQ to NE.
7195 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7196 (sse_mov?fcc_ne): New.
7198 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7200 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7202 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7203 register may be dead.
7205 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7207 * Makefile.in (hash.o): Depend on CONFIG_H.
7209 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7211 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7213 2001-03-15 Richard Henderson <rth@redhat.com>
7215 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7216 (ASM_OUTPUT_DWARF_PCREL): New.
7217 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7219 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7221 * cppfiles.c (stack_include_file): Use MAX of sysp.
7223 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7225 * config.gcc (ia64*-*-hpux*): New case.
7226 * config/ia64/hpux.h: New file for HP-UX support.
7227 * config/ia64/t-hpux: New file for HP-UX support.
7229 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7231 * fixinc/inclhack.def (irix_stdio_va_list): New.
7232 * fixinc/fixincl.x: Rebuilt.
7234 2001-03-15 Richard Henderson <rth@redhat.com>
7236 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7237 if provided by the target.
7238 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7239 (dw2_asm_output_addr): New.
7240 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7241 * dwarf2out.c (output_cfi): Use it for program addresses.
7242 (output_call_frame_info, output_die): Likewise.
7243 (output_aranges, output_line_info): Likewise.
7245 2001-03-15 Bruce Korb <bkorb@gnu.org>
7247 * gcc.c(main): make more rigorous
7248 * collect2.c(main): guard against ignoring SIGCHLD
7249 * protoize.c(main): ditto
7250 * gcc/fixinc/fixincl.c(initialize): ditto
7252 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7254 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7255 (sdbout_parms): Likewise.
7257 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7259 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7260 "widen" a destination that is already wider than a word. Also do
7261 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7263 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7265 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7267 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7269 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7271 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7273 * i960.h (i960_maxbitalignment,
7274 i960_last_maxbitalignment): Declare.
7275 * i960.c (i960_maxbitalignment,
7276 i960_last_maxbitalignment): Make global.
7277 (process_pragma): Delete.
7278 (i960_pr_align, i960_pr_noalign): Move from here ...
7279 * i960-c.c: ... to this new file.
7280 * t-960bare (i960-c.o): New rule.
7281 * t-vxworks960 (i960-c.o): Likewise.
7282 * config.gcc (i960-*-*): Define c_target_objs and
7285 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7287 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7288 without adding in rtx code and mode.
7290 * alias.c (init_alias_analysis): Don't use any rtx whose value
7291 varies as a known value.
7292 Delete a superfluous test.
7294 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7296 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7297 scheduling a stop bit.
7298 (ia64_emit_nops): Correctly handle ASMs.
7300 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7302 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7304 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7306 * cpp.texi: Update documentation for -include and -imacros.
7307 * cppfiles.c (struct include_file): Remove "defined" memeber.
7308 (find_or_create_entry): Make a copy of the file name, and
7310 (open_file): Update to ensure we use the simplified filename.
7311 (stack_include_file): Don't set search_from.
7312 (cpp_included): Don't simplify the path name here.
7313 (find_include_file): New prototype. Call search_from to
7314 get the start of the "" include chain. Don't simplify the
7316 (_cpp_execute_include): New prototype. Move diagnostics to
7317 do_include_common. Update.
7318 (_cpp_pop_file_buffer): Don't set defined.
7319 (search_from): New prototype. Use the preprocessor's cwd
7320 for files included from the command line.
7321 (read_name_map): Don't simplify the pathname here.
7322 * cpphash.h (enum include_type): New.
7323 (struct buffer): Delete search from. New search_cached.
7324 (_cpp_execute_include): Update prototype.
7325 * cppinit.c (do_includes): Use _cpp_execute_include.
7326 * cpplib.c (do_include_common): New function.
7327 (do_include, do_include_next, do_import): Use it.
7329 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7331 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7332 contents of the RTL, to determine the name of the object.
7334 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7336 * tree.h (DECL_RTL): Allocate RTL lazily.
7337 (SET_DECL_RTL): New macro.
7338 (DECL_RTL_SET_P): Likewise.
7339 (COPY_DECL_RTL): Likewise.
7340 (DECL_RTL_IF_SET): Likewise.
7341 * varasm.c (make_decl_rtl): Add assertions about the kind of
7342 declaration we are processing.
7343 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7344 (start_decl): Likewise.
7345 (finish_decl): Likewise.
7346 * c-semantics.c (emit_local_var): Likewise.
7347 * calls.c (expand_call): Likewise.
7348 * dbxout.c (dbxout_symbol): Likewise.
7349 * emit-rtl.c (unshare_all_rtl): Likewise.
7350 (unshare_all_decls): Likewise.
7351 (reset_used_decls): Likewise.
7352 * expr.c (store_constructor): Likewise.
7353 (safe_from_p): Likewise.
7354 (expand_expr): Likewise.
7355 * function.c (put_var_into_stack): Likewise.
7356 (instantiate_decls_1): Likewise.
7357 (assign_parms): Likewise.
7358 (expand_function_start): Likewise.
7359 (expand_function_end): Likewise.
7360 * ggc-common.c (gcc_mark_trees): Likewise.
7361 * integrate.c (function_cannot_inline_p): Likewise.
7362 (copy_decl_for_inlining): Likewise.
7363 (expand_inline_function): Likewise.
7364 (integrate_parm_decls): Likewise.
7365 (integrate_decl_tree): Likewise.
7366 * print-tree.c (print_node): Likewise.
7367 * reg-stack.c (stack_result): Likewise.
7368 * stmt.c (label_rtx): Likewise.
7369 (expand_return): Likewise.
7370 (expand_decl): Likewise.
7371 (expand_decl_cleanup): Likewise.
7372 (expand_anon_union_decl): Likewise.
7373 * toplev.c (check_global_declarations): Likewise.
7374 (rest_of_decl_compilation): Likewise.
7375 * tree.c (simple_cst_equal): Likewise.
7376 * objc/objc-act.c (generate_static_references): Likewise.
7378 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7380 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7381 gcc_AC_C_FLOAT_FORMAT): New macros.
7382 * configure.in: Add AC_PROG_CPP after CC tests;
7383 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7384 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7385 * configure, config.in: Regenerate.
7387 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7388 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7389 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7390 config/i370/xm-linux.h, config/i370/xm-oe.h,
7391 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7392 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7393 config/pa/xm-linux.h, config/pa/xm-pa.h,
7394 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7395 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7396 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7397 config/we32k/xm-we32k.h: Delete.
7399 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7400 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7401 config/vax/xm-vms.h: Don't define any of:
7402 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7404 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7406 * config.gcc: Remove references to deleted files.
7407 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7408 FATAL_EXIT_CODE, which is the same between oe and mvs).
7410 2001-03-14 DJ Delorie <dj@redhat.com>
7411 Vladimir Makarov <vmakarov@redhat.com>
7413 * config/i960/i960.c (i960_function_prologue): Compute size of
7414 frame according to number of registers actually saved there.
7416 2001-03-14 Richard Henderson <rth@redhat.com>
7418 * expr.c (emit_move_insn_1): Fix else if around #endif.
7420 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7423 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7426 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7428 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7429 (override_options): Parse cmodel string.
7430 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7431 * i386.h (TARGET_OPTIONS): Add "cmodel".
7432 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7434 (ix86_cmodel_string, ix86_cmodel): Declare.
7436 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7439 * i386.h (GENERAL_REG_P): Add missing REG_P.
7441 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7443 * configure.in: Use $gcc_cv_as instead of $as.
7444 * configure: Regenerated.
7446 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7448 * cppfiles.c (stack_include_file): Only increase the include
7449 count if we actually process the file properly, as opposed
7450 to treating it as length zero. Only call read_include_file
7451 if not DO_NOT_REREAD. Handle the -H include file output
7453 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7454 (cpp_included, find_include_file): Simplify pathnames after
7455 remapping them. If remapping, don't use the remapped file
7456 name's buffer as our scratch buffer.
7457 (cpp_pop_file_buffer): Replace the multiple include macro
7458 only if it isn't yet set.
7459 (read_name_map): Simplify remapped names when reading in.
7460 (remap_filename): Move code to code path that uses it.
7461 (_cpp_simplify_pathname): Return the input pointer.
7462 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7464 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7466 * expr.c (expand_expr): Revove bogus conditional.
7468 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7470 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7472 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7474 * reg-stack.c (stack_result): Unconditionally use
7475 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7477 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7479 * expr.c (emit_move_insn_1): Split push of complex value when
7480 no suitable push instruction exist.
7482 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7483 instead of QI_REG_P.
7485 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7487 * alias.c (handled_component_p, can_address_p): New functions.
7488 (get_alias_set): Use them.
7490 2001-03-13 Jim Wilson <wilson@redhat.com>
7492 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7493 from 80 in try_locals code.
7494 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7496 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7498 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7499 gcc_AC_C_LONG_LONG): New.
7500 * configure.in: Use them. Probe the size of short, int, long,
7501 and long long/__int64 if we have them. Move all the AC_C_*
7502 checks together, except gcc_AC_C_CHAR_BIT which has to go
7503 after AC_CHECK_HEADERS(limits.h).
7504 Take hwint.h out of host_xm_file and build_xm_file.
7506 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7507 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7508 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7509 Move the HOST_WIDEST_INT setup logic here from system.h.
7510 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7512 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7513 is now handled by hwint.h.
7515 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7516 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7517 config/ia64/xm-ia64.h: Don't define any of:
7518 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7519 HOST_BITS_PER_LONGLONG.
7521 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7522 config/h8300/xm-h8300.h, config/mips/iris6.h,
7523 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7524 config/sparc/xm-sp64.h: Delete.
7525 * config.gcc: Remove references to deleted files.
7527 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7528 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7529 * config/i370/xm-linux.h: Clarify floating-point situation in
7532 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7534 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7535 (find_include_file): Decide here which part of the include
7536 chain to start the search. Complain about an empty include
7537 chain in all cases apart from an abolsute file name.
7538 (_cpp_execute_include): Don't choose the search chain here.
7539 Don't call handle_missing_include in the case of an empty
7541 (_cpp_compare_file_date): Don't choose the search chain here.
7542 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7543 here from _cpp_execute_include. Behave like #include if
7544 we're in the main file.
7546 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7548 * system.h (malloc, realloc, calloc, strdup): Only poison these
7549 tokens when IN_GCC is defined.
7551 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7553 * i386.md (abs?f expander): Support SSE case.
7554 (abd?f_if): Add new "USE"; add splitters.
7556 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7558 * cpp.texi (poison): Explain the macro expansion exception.
7560 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7562 * expr.c (store_expr): Add dont_store_target. If temp is already in
7563 target before copying to reg, don't store it into target again.
7565 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7567 * cppinternals.texi: Update for file handling.
7569 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7571 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7572 2001-02-24 which broke building the Java library.
7573 * function.c (identify_blocks): Likewise.
7574 (all_blocks): Likewise.
7575 * integrate.c (integrate_decl_tree): Likewise.
7576 * print-tree.c (print_node): Likewise.
7577 * tree.h (BLOCK_NUMBER): Likewise.
7578 (struct tree_block): Likewise.
7580 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7582 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7583 __WCHAR_TYPE__ definition.
7584 (WCHAR_TYPE_SIZE): #undef before #define.
7586 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7588 * cppfiles.c: Update comments.
7589 (destroy_include_file_node): Rename destroy_node.
7590 (find_or_create_entry): New function.
7591 (open_file, _cpp_fake_include): Use it.
7592 (handle_missing_header): New function, broken out of
7593 _cpp_execute include. Don't segfault if there is no
7594 system or quoted path.
7595 (_cpp_execute_include): Use handle_missing_header.
7597 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7599 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7600 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7602 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7604 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7605 unless anti_dependence says they are.
7606 * alias.c (objects_must_conflict): If neither has a type specified,
7609 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7610 David Billinghurst <David.Billinghurst@riotinto.com>
7612 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7614 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7616 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7617 (*_one_bit): Remove type on the match_operand in attributes.
7619 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7621 * i386.c: Commit forgotten hunk in previous patch.
7622 (regclass_map): Add extended registers.
7623 (dbx_register_map): Add missing frame register.
7625 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7627 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7629 * i386.md (x86_sahf_1): Disable for 64bit.
7630 (popsi*, pophi*): Likewise.
7631 (pushqi, pushhi): Likewise.
7632 (movdi, pushdi): Likewise.
7633 (zero extend DImode splitter): Likewise.
7634 (adddi, minusdi splitter): Likewise.
7635 (umulsidi): Likewise.
7637 (mulsidi): Disable for 64bit
7638 (lshift:DI/ashift:DI): Disable for 64bit.
7639 (loop patterns): Likewise.
7640 (call_pop, call_value_pop expanders and patterns): Likewise.
7641 (prologue_get_pc): Likewise.
7643 (fcmovDI pattern and splitter): Likewise.
7644 (movdfcc_1_rex64): New.
7646 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7648 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7649 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7650 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7651 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7652 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7653 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7654 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7655 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7656 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7657 (REGPARM_MAX): Set to 6 for x86_64.
7658 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7659 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7662 * (patterns that does use upper halves): Update constraints
7663 'q' to 'Q' and 'r' to 'R'.
7664 (cmpqi_ext_1): Disable for 64bit.
7665 (cmpqi_ext_3_insn): Likewise.
7666 (movqi_extzv_1): Likewsie.
7667 (addqi_ext_1): Liekwsie
7668 (testqi_ext_1): Liekwsie
7669 (andqi_ext_1): Liekwsie
7670 (xorqi_ext_1): Liekwsie
7671 (cmpqi_ext_1_rex64): New.
7672 (cmpqi_ext_3_insn_rex64): Likewise.
7673 (movqi_extzv_1_rex64): Likewsie.
7674 (addqi_ext_1_rex64): Liekwsie
7675 (testqi_ext_1_rex64): Liekwsie
7676 (andqi_ext_1_rex64): Liekwsie
7677 (xorqi_ext_1_rex64): Liekwsie
7679 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7681 * configure.in: Move check for unsigned enumerated bitfields
7682 to macro in aclocal.m4. Disable it for now.
7683 * configure, config.in: Regenerate.
7684 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7685 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7686 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7687 kind above its first use.
7689 * config/xm-interix.h, config/alpha/xm-alpha.h,
7690 config/i370/xm-linux.h, config/i386/xm-beos.h,
7691 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7692 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7693 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7694 Don't define ONLY_INT_FIELDS under any circumstances.
7696 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7698 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7699 config/sparc/xm-sysv4.h: Delete - now identical with some
7701 * config.gcc (hppa targets): Replace xm-pahpux.h and
7702 xm-papro.h with implicit xm-pa.h.
7703 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7706 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7708 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7709 before reload_cse_noop_set_p.
7711 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7713 * config.gcc: Where xm-host.h used to include another
7714 xm-host.h, list the nested header directly in xm_file. Remove
7715 references to deleted files. Can now use sparc/xm-sp64.h for
7718 * config/xm-linux.h, config/arm/xm-linux.h,
7719 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7720 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7721 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7722 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7723 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7726 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7727 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7728 bother to wrap #undef in #ifdef.
7729 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7730 Don't include xm-linux.h.
7731 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7733 * configure.in: Wrap regexps using [] in changequote block.
7734 Use expr : not echo | grep. Simplify regexps.
7735 * configure: Regenerate.
7737 56 xm-files remain, 22 xm-arch.
7739 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7741 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7742 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7743 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7744 (copy_object): Fix format specifier vs argument mismatch.
7746 * mips-tdump.c: Make local functions static.
7747 (rindex): Don't #undef.
7748 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7749 (fatal, fancy_abort): Delete.
7750 (read_seek): Avoid signed/unsigned compare.
7752 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7754 * combine.c (try_combine): Fix error in change to try original
7756 (gen_rtx_combine): Do same as gen_rtx for now.
7758 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7760 * configure.in: AC_SUBST xm_defines.
7761 * configure: Regenerate.
7762 * Makefile.in: Set DEFINES=$(xm_defines) when building
7765 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7767 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7768 (cpp_included, find_include_file): Update.
7769 (_cpp_compare_file_date): Make else unconditional.
7771 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7773 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7775 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7777 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7778 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7780 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7782 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7783 if it's a record type.
7785 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7787 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7788 mingw includes slightly.
7790 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7792 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7793 #undef token before poisoning it.
7795 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7797 * alpha.c (check_float_value): Use memcpy, not bcopy.
7799 * m32r.c (m32r_sched_reorder): Likewise.
7801 * vax.c (check_float_value): Likewise.
7803 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7805 * toplev.c (file_name_nondirectory): Remove.
7806 * toplev.h: Similarly.
7807 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7808 of file_name_nondirectory.
7810 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7812 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7813 * mips-tfile.c: Don't #undef rindex; not used.
7815 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7817 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7818 (dbx64_register_map): Declare.
7819 (RETURN_ADDR_RTX): Fix for 64bit.
7820 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7821 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7822 * i386.c (dbx64_register_map): New global array.
7823 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7824 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7827 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7829 * cppfiles.c (search_from): Use lbasename.
7830 * mkdeps.c (deps_add_default_target): Use lbasename.
7832 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7834 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7835 xcalloc in lieu of malloc, realloc & calloc.
7837 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7839 * gengenrtl.c (xmalloc): Likewise.
7841 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7842 really_call_* memory allocation routines.
7844 * stmt.c (check_for_full_enumeration_handling): Use
7845 really_call_calloc, not calloc.
7847 * system.h (really_call_malloc, really_call_calloc,
7848 really_call_realloc): Define.
7849 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7851 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7853 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7855 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7857 * configure: Rebuilt.
7858 * configure.in: Only use `lang_requires' for languages athat are
7861 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7863 * invoke.texi: Fix typo.
7864 * gcc.1: Regenerate.
7866 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7868 * configure.in: Prune nonexistent files from build_xm_file,
7869 xm_file, and host_xm_file lists. Warn unless they're
7871 Don't generate *config.h here.
7872 AC_SUBST all variables needed to generate *config.h.
7873 * configure: Regenerate.
7874 * mkconfig.sh: New helper script, from code removed from
7876 * Makefile.in: Zap all MALLOC variables - no longer used
7877 anywhere, and malloc.c doesn't exist.
7878 Substitute in variables needed to generate *config.h.
7879 Stop lying about the dependencies contained in CONFIG_H and
7881 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7882 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7883 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7884 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7885 $(TM_P_H), etc. as appropriate.
7887 * config.gcc: Zap references to deleted files.
7888 * ggc-none.c: Don't include rtl.h or tm_p.h.
7890 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7891 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7892 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7893 config/i386/xm-linux.h, config/i386/xm-linux.h,
7894 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7895 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7896 Don't include i386/xm-i386.h.
7898 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7899 config/i386/xm-i386.h, config/i860/xm-i860.h,
7900 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7901 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7902 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7903 Delete (empty except comments, #includes of other deleted
7904 files, and macros used nowhere).
7906 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7908 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7909 independent on TARGET_FLAGS.
7911 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7913 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7915 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7917 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7919 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7920 LAST_REX_SSE_REG): define.
7921 (enum reg_class): Add 'LEGACY_REGS'
7922 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7923 (SSE_REGNO_P): Recognize extended registers.
7924 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7925 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7926 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7927 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7928 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7929 REG_OK_FOR_STRREG_P): Remove.
7930 (HI_REGISTER_NAMES): Add extended registers.
7931 (ADDITIONAL_REGISTER_NAMES): Likewise.
7932 (QI_REGISTER_NAMES): Add 8bit extended registers.
7933 (DEBUG_REG): Support extended registers.
7934 * i386.c (regclass_map): Add extended registers.
7935 (dbx_register-map): Likewise.
7936 (svr4_dbx_register_map): Likewise.
7937 (print_reg): Support extended registers.
7938 (print_operand): Support 64bit operands.
7940 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7942 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7943 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7944 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7945 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7946 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7947 STACK_BOUNDARY): Set properly for 64bits.
7948 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7949 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7950 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7951 (MOVE_MAX): Set to 16.
7952 (MOVE_MAX_PIECES): 8 for 64bit.
7953 (Pmode): Set to SImode.
7955 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7957 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7959 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7961 * i386.h (mask_64bit): New constant.
7962 (target_64bit): New macro.
7963 (target_options): Add '64'/'32'
7964 (target_default): Define.
7965 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7966 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7967 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7969 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7971 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7973 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7975 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7976 LO_SUM unless for_alias is set.
7978 2001-03-08 Stan Shebs <shebs@apple.com>
7980 * objc/objc-act.c: Fix old typos in comments, add comments for
7982 (hash_init): Fix file name in error message.
7983 (hash_enter): Ditto.
7984 (hash_add_attr): Ditto.
7985 (continue_class): Ditto.
7987 2001-03-08 Bruce Korb <bkorb@gnu.org>
7989 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7990 wait4() can receive the signal.
7992 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7994 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7996 * fixinc/fixincl.x: Regenerate.
7998 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8000 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8002 * fixinc/fixincl.x: Regenerate.
8004 2001-03-08 Richard Henderson <rth@redhat.com>
8006 * configure.in (HAVE_AS_LEB128): New assembler check.
8007 * configure, config.in: Rebuilt.
8009 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8011 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8014 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8016 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8017 references to the MAXPATHLEN macro.
8019 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8020 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8023 * config/i386/xm-gnu.h, config/xm-gnu.h,
8024 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8025 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8026 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8027 and/or unused files.
8029 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8030 doing so in various xm-*.h files.
8032 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8034 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8036 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8038 * configure.in (enable_shared): Support per-package shared-library
8040 * configure: Rebuilt.
8042 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8044 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8045 for crnot. Set operands[5] in splitter.
8047 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8049 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8050 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8051 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8052 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8053 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8054 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8055 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8058 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8059 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8060 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8061 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8062 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8063 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8064 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8065 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8066 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8067 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8068 Delete unused and/or empty files.
8070 * config.gcc: Define USG in xm_defines as appropriate. Define
8071 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8072 macro. Remove deleted xm-* files from $xm_files variable.
8074 2001-03-07 Tom Tromey <tromey@redhat.com>
8076 * configure: Rebuilt.
8077 * configure.in: Allow config-lang.in to set `lang_requires' to list
8078 of other required languages.
8080 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8082 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8084 (output_prologue): Use xmalloc not oballoc.
8085 (output_epilog): Free a29k_first_epilogue_insn when finished.
8086 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8088 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8090 * builtins.c (expand_builtin_mathfn): Check
8091 flag_unsafe_math_optimizations, not flag_fast_math.
8092 (expand_builtin): Likewise
8093 * combine.c (combine_simplify_rtx): Likewise.
8094 (simplify_if_then_else): Likewise.
8095 * cse.c (fold_rtx): Likewise.
8096 * flags.h: Remove flag_fast_math. Add
8097 flag_unsafe_math_optimizations and flag_trapping_math.
8098 * fold-const.c (negate_expr): Check
8099 flag_unsafe_math_optimizations, not flag_fast_math.
8100 (invert_truthvalue): Likewise.
8101 (fold): Likewise. Before associating operands, check that
8102 code == MULT_EXPR, not code != MULT_EXPR.
8103 * ifcvt.c (noce_try_minmax): Check
8104 flag_unsafe_math_optimizations, not flag_fast_math.
8105 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8106 * invoke.texi: Document -funsafe-math-optimizations and
8107 -fno-trapping-math. Change documentation for -ffast-math.
8108 * jump.c (reversed_comparison_code_parts): Likewise.
8109 (rtx_equal_for_thread_p): Likewise.
8110 * optabs.c (emit_conditional_move): Likewise.
8111 * simplify-rtx.c (simplify_binary_operation): Likewise.
8112 (simplify_relational_operation): Likewise.
8113 (simplify_ternary_operation): Likewise.
8114 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8115 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8116 Add trapping-math and unsafe-math-optimizations entries to f_options.
8117 (set_fast_math_flags): New, sets flags for -ffast-math.
8118 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8119 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8120 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8122 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8123 (alpha_emit_conditional_move): Initialize local_fast_math to
8124 flag_unsafe_math_optimizations, not flat_fast_math.
8125 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8126 instead of setting flag_fast_math to 1.
8127 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8129 * config/i386/i386.c (override_options): Likewise
8130 * config/i386/i386.md: Likewise.
8131 * config/m68k/m68k.md: Likewise.
8132 * config/mips/mips.md: Likewise.
8133 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8134 (rs6000_generate_compare): Likewise.
8136 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8138 * Makefile.in: Set RANLIB to @RANLIB@.
8141 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8143 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8144 * fixinc/fixincl.x: Regenerated.
8146 2001-03-07 Richard Henderson <rth@redhat.com>
8148 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8150 2001-03-07 Richard Henderson <rth@redhat.com>
8152 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8153 of block notes and exception handling notes.
8155 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8156 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8157 (compile_file): ... here.
8159 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8161 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8163 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8164 config.h now. Include libiberty.h to handle alloca.
8166 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8168 * c-parse.in (yylexname): New function, split out of _yylex.
8169 (objc_rid_sans_at): New table.
8170 (init_reswords): Initialize it.
8171 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8172 retrieving the next token and checking it for significance as
8173 an ObjC keyword or string constant.
8175 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8176 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8178 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8181 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8183 * config/m68k/m68k.c (const_uint32_operand): Accept any
8184 const_int on a 32-bit host.
8186 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8188 * objc/objc-act.c (init_objc): Set save_lang_status,
8189 restore_lang_status, and mark_lang_status.
8191 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8193 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8195 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8197 * cppinternals.texi: Update.
8199 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8201 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8202 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8203 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8204 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8205 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8206 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8207 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8208 config/i386/xm-i386.h, config/i860/xm-i860.h,
8209 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8210 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8211 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8212 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8213 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8214 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8215 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8216 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8217 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8218 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8219 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8220 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8221 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8222 match the defaults provided in hwint.h.
8224 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8225 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8227 * config.gcc (xm_file): Don't set to files which are deleted.
8229 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8230 guard this file against these macros being undefined.
8232 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8234 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8235 and DECL_DEFER_OUTPUT on the decl we create, before calling
8236 rest_of_decl_compilation.
8238 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8240 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8242 * configure, config.in: Regenerate.
8243 * config.gcc: Remove references to deleted files.
8245 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8246 genrecog.c, rtl.c: Do not use alloca anywhere.
8248 * Makefile.in, build-make, system.h, config/x-interix,
8249 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8250 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8251 config/arc/xm-arc.h, config/arm/xm-arm.h,
8252 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8253 config/h8300/xm-h8300.h, config/i370/x-oe,
8254 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8255 config/i386/x-ncr3000, config/i386/x-sco5,
8256 config/i386/xm-dgux.h, config/i860/x-sysv4,
8257 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8258 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8259 config/m68k/x-hp320g, config/m69k/x-mot3300,
8260 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8261 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8262 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8263 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8264 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8265 config/mips/x-iris, config/mips/x-iris3,
8266 config/mips/x-sni-svr4, config/mips/x-sysv,
8267 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8268 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8269 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8270 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8271 config/pa/xm-papro.h, config/romp/xm-romp.h,
8272 config/rs6000/x-aix31, config/rs6000/x-aix41,
8273 config/rs6000/x-beos, config/rs6000/x-lynx,
8274 config/rs6000/x-mach, config/rs6000/x-rs6000,
8275 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8276 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8277 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8278 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8279 config/vax/xm-vms.h: Eradicate all references to alloca and
8282 * config/xm-alloca.h, config/clipper/x-clix,
8283 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8284 config/i860/x-sysv3, config/m88k/x-sysv3,
8285 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8286 (contained only alloca related hacks).
8288 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8291 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8293 * invoke.texi: Document __FAST_MATH__.
8295 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8297 * crtstuff.c: Restore include of auto-host.h.
8299 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8301 Put main() in a separate file, so that the language
8302 front-end can use a different main().
8305 * toplev.c: (main): Rename as toplev_main.
8306 * toplev.h: Declare toplev_main.
8307 * Makefile.in (OBJS): add toplev.o.
8308 (BACKEND): remove toplev.o, add main.o.
8310 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8312 * cppfiles.c (search_from): Special case the empty string.
8314 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8316 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8317 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8318 strlen or strcpy; we already know the length.
8319 (_cpp_compare_file_date): Similarly.
8320 * cpphash.h (struct cpp_reader): Delete done_initialising.
8321 (CPP_PREV_BUFFER): Delete.
8322 * cppinit.c (cpp_start_read): Don't set done_initialising.
8323 * cpplex.c (parse_string): Guarantee null-termination.
8324 (_cpp_equiv_toklists): Remove.
8325 * cpplib.c (glue_header_name): Null-terminate.
8326 (do_line): Don't leak memory.
8327 * cpplib.h (BT_WEAK): Delete.
8328 * cppmain.c (cb_ident): Strings are now null-terminated.
8330 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8332 * gcc.c (convert_filename): Append executable suffix
8333 if NO_AUTO_EXE_SUFFIX is not defined.
8334 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8335 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8337 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8339 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8340 * c-parse.gperf, c-gperf.h: Delete.
8341 (c-gperf.h was accidently re-added to the CVS repo in the rev
8342 1.16 commit by tromey)
8344 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8346 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8347 macro arguments when looking for the '('.
8348 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8349 2 when really parsing arguments; 1 when looking for '('.
8350 Always restore the lexer position.
8352 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8354 * longlong.h (umul_ppmm): Don't use a multiline string.
8356 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8358 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8359 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8360 t_bool in declaration because pcc can't combine volatile with typedef
8363 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8365 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8366 until when it is really needed.
8367 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8368 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8369 * i386.md (float?i?f splitter): Don't force source operand to memory
8371 (sse_movdfcc): Fix constraint.
8372 (sse_movdfcc splitter): Handle properly the second alternative.
8374 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8376 * cpplex.c (parse_string): Unconditionally pedwarn.
8378 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8381 * cppexp.c (parse_number): Update.
8382 * cpplex.c (parse_string): Pedwarn if multiline string does not
8383 result from a system header's macro.
8384 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8385 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8386 for function-like macros too.
8387 * c-lex.c (lex_number): Update.
8389 2001-03-03 Richard Henderson <rth@redhat.com>
8391 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8393 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8395 * combine.c (try_combine): If split with mode-changed scratch
8396 register didn't work, try the original mode.
8398 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8400 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8401 * config/c4x/c4x.h: Likewise.
8402 * stor-layout.c (compute_record_mode): Likewise.
8403 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8405 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8407 * configure.in: Kill tm.h. Include the files in the $tm_file
8408 list in all three of config.h, hconfig.h, tconfig.h, after the
8409 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8410 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8411 * configure: Regenerate.
8412 * Makefile.in (clean): Don't delete tm.h.
8414 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8415 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8416 those are not defined, set SEC and FEC to 0 and 1.
8417 * gcc.texi: Update to match.
8419 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8420 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8421 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8422 Include tconfig.h, not tm.h.
8424 * config/xm-lynx.h, config/xm-std32.h,
8425 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8426 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8427 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8428 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8429 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8430 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8431 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8432 config/i386/xm-i386.h, config/i860/xm-i860.h,
8433 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8434 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8435 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8436 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8437 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8438 config/pa/xm-linux.h, config/pa/xm-pa.h,
8439 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8440 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8441 config/pj/xm-pj.h, config/romp/xm-romp.h,
8442 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8443 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8444 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8445 config/v850/xm-v850.h, config/vax/xm-vax.h,
8446 config/we32k/xm-we32k.h:
8448 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8450 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8451 config/i370/xm-oe.h: Don't include tm.h. Don't define
8453 * config/vax/xm-vms.h: Don't include tm.h.
8455 * config/xm-lynx.h, config/avr/xm-avr.h,
8456 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8457 Delete; made empty by above changes.
8458 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8459 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8460 Don't include config/xm-lynx.h or tm.h.
8462 * config/xm-gnu.h: Don't include fcntl.h.
8463 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8465 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8467 2001-03-02 Richard Henderson <rth@redhat.com>
8469 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8470 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8472 2001-03-02 Richard Henderson <rth@redhat.com>
8474 * Makefile.in (OBJS): Add dwarf2asm.o.
8475 * dwarf2asm.c, dwarf2asm.h: New files.
8476 * dwarf2out.c (*): Use them.
8477 (size_of_uleb128, size_of_sleb128): Remove.
8478 (output_uleb128, output_sleb128): Remove.
8479 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8480 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8481 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8482 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8483 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8484 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8485 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8486 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8487 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8488 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8489 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8490 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8491 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8492 (dwarf2out_frame_debug): Remove unused variables.
8493 (output_loc_operands): Don't abort on 8 byte constants if
8494 host integers are wide enough.
8495 (output_symbolic_ref): Remove.
8496 (size_of_die): Don't assume 4 byte host integers.
8497 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8499 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8500 something stupid with HOST_WIDE_INT to long truncation.
8501 [CONST_DOUBLE]: Likewise.
8503 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8504 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8505 * config/arm/unknown-elf.h: Likewise.
8506 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8507 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8508 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8509 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8510 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8511 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8512 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8513 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8514 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8515 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8516 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8517 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8519 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8521 * cselib.c (hash_rtx): Cast enums to unsigned int.
8523 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8525 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8526 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8528 * c-format.c (C_STD_VER): Cast to int for comparisons.
8529 (check_function_format): Cast various enums to int for &.
8530 (maybe_read_dollar_number): Likewise.
8531 (check_format_info): Likewise.
8532 (check_format_info_main): Likewise.
8533 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8534 (safe_from_p): Likewise.
8535 * varasm.c (const_hash): Cast enum to int for %.
8536 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8537 pcc enum problems with < and ++ operators.
8538 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8539 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8540 (regclass_init): Change enum class to int to iterate over reg_classes.
8541 * genrecog.c (merge_trees): Cast enums for comparison.
8542 * rtl.h (GET_CODE): Cast to enum rtx_code.
8543 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8544 (GET_MODE): Cast to enum machine_mode.
8545 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8546 (GET_NOTE_INSN_NAME): Cast enum to int.
8547 * tree.h (TREE_CODE): Cast to enum tree_code.
8548 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8549 * timevar.c (timevar_print): Change loop variable id from enum to
8551 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8552 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8553 * toplev.c (compile_file): Cast enum DFI to int.
8554 (decode_d_option): Likewise.
8556 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8558 * cppinit.c (append_include_chain): Mark "after" include file name list
8559 as a system directory.
8560 * cpp.texi: Document new behavior.
8562 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8564 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8566 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8568 * cppfiles.c (struct include_file): Update.
8569 (stack_include_file): Use search_from.
8570 (cpp_included, find_include_file): Update.
8571 (cpp_execute_include): Update. ptr->name may not be
8572 null terminated. Use the new search_from member variable
8574 (_cpp_compare_file_date): Similarly.
8575 (search_from): New function, similiar to actual_directory.
8576 (actual_directory): Delete.
8577 (remap_filename): Update. loc->name may not be null terminated.
8578 (struct file_name_list): Rename search_path. Update.
8579 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8580 search_from and dir.
8581 (struct cpp_reader): Remove actual_dirs.
8582 * cppinit.c (struct cpp_pending): Update for renamed objects.
8583 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8584 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8585 * cpplib.h (struct cpp_options): Similarly.
8587 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8589 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8590 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8591 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8592 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8593 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8594 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8595 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8596 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8597 config/i370/xm-oe.h, config/i386/xm-aix.h,
8598 config/i386/xm-i386.h, config/i386/xm-osf.h,
8599 config/i860/xm-i860.h, config/i960/xm-i960.h,
8600 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8601 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8602 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8603 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8604 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8605 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8606 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8607 config/pj/xm-pj.h, config/romp/xm-romp.h,
8608 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8609 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8610 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8611 config/v850/xm-v850.h, config/vax/xm-vax.h,
8612 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8613 Do not define TRUE or FALSE.
8615 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8616 empty by above change.
8617 * config.gcc: Remove references to these files.
8619 * configure.in: Detect stdbool.h.
8620 * configure, config.in: Regenerate.
8621 * system.h: Include stddef.h here if available.
8622 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8623 Then set up a sensible boolean type at the very end.
8625 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8626 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8628 * hash.h: Delete 'boolean' typedef and related #undefs.
8630 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8631 all uses of 'boolean' with 'bool'.
8633 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8635 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8636 * cppexp.c (lex): Cast enums for comparison.
8637 * cppinit.c (parse_option): Cast enum for comparison.
8638 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8639 (cpp_output_token): Likewise.
8640 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8641 (cpp_avoid_paste): Cast enums for minus and comparison.
8643 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8645 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8646 field to all array elements.
8648 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8650 * cpphash.h (struct cpp_reader): Add print_version field.
8651 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8652 just set print_version and other flags as appropriate.
8653 (cpp_post_options): Print version here if print_version is set.
8655 * toplev.c (exit_after_options): New flag.
8656 (independent_decode_option): Don't exit here; just set
8658 (main): Exit after calling lang_hooks.post_options if
8659 exit_after_options is true.
8661 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8662 (merge_include_chains): Adjust comment to match code.
8664 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8666 * stringpool.c (set_identifier): New function.
8667 * tree.h: Prototype it.
8669 * c-parse.in: Kill D_YES. If compiled for objc, call
8670 save_and_forget_protocol_qualifiers from init_reswords.
8671 * objc/objc-act.c (remember_protocol_qualifiers,
8672 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8673 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8675 (save_and_forget_protocol_qualifiers): New function.
8676 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8678 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8680 * c-semantics.c (prune_unused_decls): Return error_mark_node
8681 instead of (tree) 1 to stop traversing the tree chain.
8683 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8685 Fix a problem introduced by Kenner's Feb 18 change.
8686 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8687 flag_cse_skip_blocks only temporarily, not for ever.
8689 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8691 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8692 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8694 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8695 before determining its register class.
8697 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8699 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8700 from reg 4 if current_function_calls_setjmp.
8701 (gen_nop_type): New function.
8702 (ia64_emit_nops): New function.
8703 (ia64_reorg): Call it.
8704 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8706 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8707 code not to try to optimize adds with anything but a REG destination.
8709 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8710 (INSN_PRIORITY_KNOWN): New accessor macro.
8711 * haifa-sched.c (priority): Use it instead of testing priority against
8714 2001-02-28 DJ Delorie <dj@redhat.com>
8716 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8717 since that doesn't work the way gcc wants on a generic m68k.
8719 2001-02-28 Richard Henderson <rth@redhat.com>
8721 * caller-save.c (save_call_clobbered_regs): Fix typo in
8722 comparison last change.
8724 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8726 * i386.c (pentium4_cost): New.
8727 (m_PENT4): New macro.
8728 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8729 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8730 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8731 x86_memory_mismatch_stall): Add Pentium4
8732 (x86_use_q_reg, x86_use_any_reg): Kill.
8733 (override_options): Add pentium4.
8734 (incdec_operand): Return 0 for pentium4.
8735 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8736 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8737 (TARGET_PENTIUM4): Define.
8738 (enum processor_type): Add PROCESSOR_PENTIUM4.
8739 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8740 * i386.md (attribute "cpu"): Add pentium4.
8741 * invoke.texi (march): Add pentium4.
8743 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8745 * i386.md (sse_mov?fcc*): New patterns and splitters.
8746 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8747 the SSE based conditional moves.
8749 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8751 * i386.md (attribute mode): Add "TI".
8752 (movsf_1): Add pxor support; remove constant propagation splitter.
8753 (movdf_integer): Likewise.
8754 (movdf_nointeger): Likewise.
8755 (movxf constant prop splitter): Handle all modes; update for SSE.
8756 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8757 * i386.c (standard_80387_constant_p): Rewrite.
8758 (standard_sse_constant_p): New.
8759 * i386-protos.h (standard_sse_constant_p): New.
8761 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8763 * i386.md (sse_setccsf, sse_setccdf): New.
8764 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8766 * i386.c (sse_comparison_operator): Accept the supported unordered
8767 comparses; be ready for fast_math.
8768 (print_operand): Support 'D'.
8770 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8772 * jump.c (reversed_comparison_code): Kill.
8774 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8776 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8779 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8781 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8782 add missing '%' in constraints.
8784 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8786 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8787 for HOST_BITS_PER_WIDE_INT == 32 too.
8789 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8791 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8793 (insert_save, insert_restore): New parameter save_mode.
8794 (init_caller_save): Update initialization of reg_save_code
8795 and reg_restore_code.
8796 (save_call_clobbered_regs): Compute save_modes and update calls to
8797 reg_save_code and reg_restore_code.
8798 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8799 of spill; update use of reg_restore_code.
8800 (insert_save): Likewise.
8801 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8802 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8803 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8805 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8807 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8808 noce_try_store_flag_inc, noce_try_store_flag_mask,
8809 noce_try_cmove_arith):
8810 Use reversed_comparison_code instead of reverse_comparison and
8811 can_reverse_comparison_p.
8813 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8815 * jump.c (reversed_comparison_code_parts): Allow reversal of
8816 unordered compares in -ffast-math mode; reverse ordered compares
8817 for FP even w/o -ffast-math.
8819 2001-02-27 Richard Henderson <rth@redhat.com>
8821 * print-rtl.c (print_rtx) [i]: Don't print field five on
8822 NOTEs other than NOTE_INSN_DELETED_LABEL.
8824 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8826 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8827 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8829 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8831 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8832 even if walk_subtrees is 0.
8833 * c-semantics.c (prune_unused_decls): Return a non-null value to
8834 stop traversing the tree chain.
8836 2001-02-27 DJ Delorie <dj@redhat.com>
8838 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8839 register, *then* define it as the new CFA.
8841 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8843 * pa.c (override_options): Promote -fpic to -fPIC.
8844 (legitimize_pic_address): Simplify due to removal of
8845 small PIC as a code generation option.
8846 (secondary_reload_class): Similarly.
8847 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8848 (PRINT_OPERAND_ADDRESS): Similarly.
8849 * pa.md (various patterns): Similarly.
8850 (small pic lo_sum pattern): Remove.
8852 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8855 * md.texi (min, max): Document
8857 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8859 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8860 TARGET_PARTIAL_REG_DEPENDENCY.
8861 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8863 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8865 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8867 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8869 * mips.c (mips_make_temp_file): Fix thinko in last change.
8871 2001-02-26 Jason Eckhardt <jle@redhat.com>
8873 * combine.c (known_cond): Do not reverse the condition when
8874 SMAX/UMAX is being considered and the condition is for equality
8877 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8879 2001-02-26 Philip Blundell <philb@gnu.org>
8881 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8883 * config/arm/linux-elf.h: Remove historical relics related to
8884 above configurations.
8885 * config/arm/linux-oldld.h: Delete.
8886 * config/arm/linux-elf26.h: Delete.
8888 2001-02-26 Jason Merrill <jason@redhat.com>
8890 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8892 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8893 recognize a tentative definition. Lose obsolete code.
8895 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8896 variables unless necessary, either.
8898 2001-02-25 Richard Henderson <rth@redhat.com>
8900 * ifcvt.c (struct noce_if_info): Add test_bb.
8901 (noce_get_alt_condition): New.
8902 (noce_try_minmax, noce_try_abs): New.
8903 (noce_operand_ok): New.
8904 (noce_process_if_block): Use them.
8905 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8907 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8909 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8912 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8914 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8915 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8917 (mips_asm_file_end): Free temp_filename here.
8919 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8921 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8922 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8924 * config/i386/i386.md (movstrsi): Handle FAIL case.
8926 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8928 * cppinit.c (builtin_array): Update.
8929 (init_builtins): Flag builtins to warn if redefined or
8930 undefined. Define __GXX_WEAK as a normal macro.
8931 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8932 * cpplib.h (NODE_WARN): New flag.
8933 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8934 Handle __STDC__ as a builtin only on Solaris.
8935 (warn_of_redefinition): Renamed from check_macro_definition.
8936 Reverse sense of test. Always warn if NODE_WARN.
8937 (_cpp_create_definition): Use warn_of_redefinition. Flag
8938 any macro beginning with "__STDC_" to require a mandatory
8939 warning if redefined or undefined.
8941 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8943 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8944 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8945 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8946 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8947 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8948 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8949 Don't define any of:
8950 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8951 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8952 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8953 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8954 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8956 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8957 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8960 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8961 Delete now-empty file.
8963 * alpha/vms.h: Define NEED_ATEXIT here...
8964 * alpha/xm-vms.h: ...not here.
8966 * i386/cygwin.h: Don't define PARAMS.
8967 * mips/mips.c: Don't prototype mktemp. Don't define
8968 P_tmpdir. Use make_temp_file to create temporary files.
8969 Don't be clever and delete temporary files early.
8970 * config.gcc: Drop references to deleted files. Don't define
8972 * gcc.texi: Don't mention USE_PROTOTYPES.
8974 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8976 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8977 (ix86_set_move_mem_attrs_1): Likewise.
8978 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8979 * config/i386/i386.md (movstrsi): Call it.
8981 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8983 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8984 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8985 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8986 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8988 (i750a-*-*): Error here if hosting on i750a.
8989 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8991 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8992 Remove (empty modulo comments).
8994 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8995 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8996 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8997 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8998 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8999 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9001 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9002 Remove reference to winnt.h in comment.
9003 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9005 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9007 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9008 used to set another biv.
9010 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9012 * tree.h (BLOCK_DEAD): New macro.
9013 (struct tree_block): New flag, dead_flag.
9014 * print-tree.c (print_node, case 'b'): Print missing fields.
9015 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9016 * function.c (identify_blocks): Enable test for misplaced notes.
9017 (all_blocks): Skip BLOCK_DEAD blocks.
9018 * integrate.c (integrate_decl_tree): Likewise.
9020 * errors.c (internal_error, trim_filename): New functions.
9021 (fancy_abort): Call internal_error.
9022 * errors.h (internal_error, trim_filename): New declarations.
9024 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9026 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9028 (EXTRA_CONSTRAINT): Formatting changes.
9030 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9032 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9034 2001-02-23 Per Bothner <per@bothner.com>
9036 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9037 so they can be called from java/jvspec.c.
9038 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9040 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9042 * i386.c (ix86_frame): New structure.
9043 (ix86_compute_frame_size): Kill.
9044 (ix86_compute_frame_layout): New.
9045 (ix86_save_reg): New.
9046 (ix86_can_use_return_insn_p): Use frame layout stuff.
9047 (ix86_expand_prologue): Likewise.
9048 (ix86_expand_epilogue): Likewise.
9049 (ix86_initial_elimination_offset): Likewise.
9050 (ix86_nsaved_regs): Use ix86_save_reg.
9051 (ix86_emit_save_regs): Likewise.
9053 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9055 * flow.c (find_sub_basic_blocks): New function.
9056 (split_block): Be ready for basic block introduced by CODE_LABEL.
9057 (commit_one_edge_insertion): Call find_sub_basic_block.
9059 * flow.c (make_edges): Add edge from entry for blocks starting with
9060 label having ALTERNATE_NAME
9062 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9064 * function.c (epilogue_done): Be ready for first basic block not
9065 containing PROLOGUE_END note.
9066 (reposition_prologue_and_epilogue_notes): Avoid placing
9067 PROLOGUE_END note between BASIC_BLOCK.
9069 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9071 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9073 2001-02-21 DJ Delorie <dj@redhat.com>
9075 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9076 check for current_function_has_nonlocal_goto from 1999-11-12.
9078 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9080 * diagnostic.c (trim_filename): No longer static.
9081 * toplev.h (trim_filename): Declare.
9082 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9083 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9084 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9085 (rtvec_check_failed_bounds): Likewise.
9086 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9088 * convert.c (convert_to_integer): Don't do unsigned unless result or
9089 both inputs are unsigned.
9091 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9094 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9096 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9098 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9100 * Makefile.in (resource.o): Add params.h dependence.
9101 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9102 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9103 * resource.c: Add dependence on params.h.
9104 (current_live_regs): Fix explanatory comment.
9105 (find_basic_block): Add new parameter to permit limiting search
9107 (mark_target_live_regs): Add new argument to find_basic_block call.
9108 (incr_ticks_for_insn): Likewise.
9110 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9112 * diagnostic.c (output_to_stream): Rename to
9113 output_buffer_to_stream. Loses the stream parameter.
9114 (init_output_buffer): Set diagnosic_buffer's stream.
9115 (flush_diagnostic_buffer): Adjust.
9116 (default_print_error_function): Likewise.
9117 (finish_diagnostic): Likewise.
9118 (verbatim): Likewise.
9120 * diagnostic.h (struct output_buffer): Add `stream' field.
9121 (output_buffer_attached_stream): New macro.
9123 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9125 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9126 check if either operand is divisible by C.
9127 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9128 If type is signed, consider negative numbers as well.
9130 2001-02-22 Richard Henderson <rth@redhat.com>
9132 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9133 reach .text instead of gp-relative relocs.
9134 * config/ia64/crtend.asm (.init): Likewise.
9136 2001-02-22 Andreas Jaeger <aj@suse.de>
9138 * extend.texi (C++ Attributes): Fix typo.
9140 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9142 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9143 functions, drop current_function_args_info.words test.
9144 (ia64_compute_frame_size): Mark syscall_linkage functions as
9145 using eight input registers.
9147 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9148 Bruce Korb <bkorb@gnu.org>
9150 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9151 * fixinc/README: Document how to convert sed substitutions
9152 to format style c_fix-es.
9153 * fixinc/fixincl.x: regen
9155 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9157 * gcc.c: Add comment explaining how to add a command-line option.
9158 Add title to specs language comment.
9160 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9162 * gcc.c (cc1_options): Add "-param".
9163 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9164 (option_map): Likewise.
9165 * toplev.c (display_help): Add entry for "--param".
9166 (independent_decode_option): Fix typographical error.
9168 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9169 Bernd Schmidt <bernds@redhat.com>
9170 Jan Hubicka <jh@suse.cz>
9172 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9173 (function_arg): Likewise.
9175 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9177 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9179 2001-02-21 Kazu Hirata <kazu@hxi.com>
9181 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9185 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9187 * flow.c (init_propagate_block_info): Canon address and use single_set
9188 for killing dead memory stores.
9190 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9192 * Makefile.in (reorg.o): Add params.h dependence.
9193 * params.def: Fix typographical error in comment.
9194 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9195 * params.h: Modify introductory comment.
9196 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9197 * reorg.c: Add dependence on params.h.
9198 (redundant_insn): Add parameterized throttle for search.
9199 (fill_simple_delay_slots): Add a comment explaining a variable.
9200 Move conditional out of loop, simplifying code.
9201 (fill_eager_delay_slots): Fix typographical error in comment.
9203 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9205 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9207 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9208 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9210 2001-02-21 Jason Merrill <jason@redhat.com>
9212 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9213 (struct tree_decl): Add uninlinable bitfield.
9214 * c-decl.c (duplicate_decls): Set it.
9215 * integrate.c (function_cannot_inline_p): Check it.
9217 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9218 DW_AT_MIPS_linkage_name to abstract methods.
9219 (dwarf2out_abstract_function): Emit class context before calling
9220 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9221 (gen_subprogram_die): Remove obsolete code.
9222 (gen_member_die): Don't include clones in the member list.
9223 (gen_decl_die): Emit abstract info for clone origin.
9224 * dwarfout.c (output_type): Don't include clones in the member list.
9225 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9226 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9227 DECL_ABSTRACT on a function that already has it set.
9229 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9230 (get_subprogram_die): Pass it in.
9232 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9234 * flow.c (mark_set_1): Make not_dead unsigned long. For
9235 non-pseudos, use it as a bitmask of the hard regs that
9238 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9240 * cppfiles.c: Update comments.
9241 (_cpp_read_file): Don't check for NULL filenames any more.
9242 * cppinit.c (cpp_start_read): Don't do canonicalization of
9243 in_fname and out_fname. Use the passed file name exclusively.
9244 (_cpp_handle_options): Don't treat "-" as a command line option,
9245 but as a normal filename.
9246 (_cpp_post_options): Canonicalize in_fname and out_fname.
9247 * cppmain.c (printer_init): Don't check out_fname for NULL.
9248 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9249 (init_c_lex): Update, and use "" to represent stdin to CPP.
9252 2001-02-20 Will Cohen <wcohen@redhat.com>
9254 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9255 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9256 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9259 2001-02-20 Stan Shebs <shebs@apple.com>
9261 * config/rs6000/rs6000.c (output_cbranch): Output branches
9262 on separate lines instead of using ';' to separate.
9264 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9266 * cppinit.c (set_lang): Move builtin handling to...
9267 (init_builtins): ...here.
9268 (_cpp_create_reader): Move call to set_lang.
9270 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9272 * stmt.c (expand_return): If an attempt is made to return the
9273 error_mar_node, treat the return like a return without a value.
9275 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9277 * sibcall.c (skip_copy_to_return_value): Call
9278 identify_call_return_value here, and return orig_insn if it
9279 returns zero. Hardret and softret arguments now unnecessary.
9280 (call_ends_block_p): Don't call identify_call_return_value here.
9282 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9284 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9285 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9287 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9289 * pa.c (move_operand): Accept code to load the address of a
9290 symbol out of the DLT as a valid move operand.
9291 (print_operand, case 'A'): New to handle generating a DLT
9292 reference for a LO_SUM expression.
9293 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9294 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9296 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9298 * README, cpp.texi, gcc.texi, version.c: Update version number to
9300 * cpp.1, gcov.1, gcc.1: Regenerate.
9302 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9304 * cppfiles.c (stack_include_file): Generate dependencies
9305 here, and manage include_count here too.
9306 (PRINT_THIS_DEP): Delete.
9307 (_cpp_execute_include): Do not generate dependencies here,
9308 apart from the case of a missing header. Do not manage
9310 (_cpp_read_file): Leave dependency generation to
9313 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9315 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9316 target_cpu_default. Remove dead assignment to
9319 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9321 * regclass.c (contains_reg_of_mode): Make global.
9322 (init_reg_sets): Remove contains_reg_of_mode; take into account
9323 CLASS_MAX_NREGS when looking for the proper mode.
9324 (dump_regclass): Dump only classes considered for the pseudo.
9325 (regclass): Use contains_reg_of_mode.
9327 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9329 * gcc.c (do_spec_1): 'n' for printing notices.
9330 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9332 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9334 * reg-stack.c (next_flags_user): Use current_block->end
9335 (swap_rtx_condition): Look for next user if flags don't die;
9336 give up on CALL_INSNs; use current_block->end.
9338 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9340 * sibcall.c (call_ends_block_p): New function.
9341 (optimize_sibling_and_tail_recursive_call): Use it.
9343 2001-02-18 Kazu Hirata <kazu@hxi.com>
9345 * config/h8300/h8300.md: Update copyright.
9346 (andsi3): Do not output an extra newline character.
9348 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9350 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9351 FNDECL may be unused.
9353 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9354 follow jumps after first run.
9355 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9356 it doesn't change any jumps.
9358 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9360 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9361 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9362 (mostlyclean): Corresponding changes.
9363 * rtlanal.c (hard-reg-set.h): Include.
9364 (rtx_unstable_p): Do not treat the argument pointer specially
9365 if it is not a fixed register.
9366 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9368 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9370 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9371 against last real insn in basic block.
9372 Rework to avoid gotos.
9374 * Makefile.in (gcse.o): Now includes ggc.h.
9375 * gcse.c: Include ggc.h.
9376 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9377 (try_replace_reg): Remove warning of uninitialize variable.
9378 (process_insert_insn): Call invalid_insn_p to validate insn.
9379 * recog.c (insn_invalid_p): Now global.
9380 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9381 * recog.h (insn_invalid_p): New declaration.
9383 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9385 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9386 assignments from FP constants since 'Y' output code can't handle it.
9387 (eligible_for_sibcall_delay): Likewise.
9389 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9390 Call fancy_abort directly, passing args.
9391 (print_rtl_and_abort): Now a macro, like fancy_abort.
9393 * final.c (output_operand_lossage): Use internal_error, not error.
9395 2001-02-18 Shane Nay <shane@agendacomputing.com>
9397 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9398 structure shift insns.
9400 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9402 * invoke.texi (-fsquangle): Remove documentation.
9403 (-fname-mangling-version): Likewise.
9405 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9407 * optabs.c (expand_abs): Remove reference to
9408 HAVE_contitional_arithmetic.
9409 * combine.c (simplify_set): Likewise.
9411 2001-02-18 Richard Henderson <rth@redhat.com>
9413 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9416 2001-02-18 Richard Henderson <rth@redhat.com>
9418 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9420 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9422 * reload1.c (reload_cse_simplify_set): Fix typo.
9424 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9426 * diagnostic.c (_fatal_insn): Decrement errorcount.
9428 * invoke.texi (-I): Add note avoiding use for system header files.
9430 * rtl.h (add_clobbers): Remove duplicate declaration.
9431 * recog.h (added_clobbers_hard_reg_p): New declaration.
9432 * genemit.c (struct clobber_pat): New field has_hard_reg.
9433 (gen_insn): Record if added clobbers clobber hard reg.
9434 (gen_split): Avoid unused warning if number of operands is 0.
9435 (output_added_clobbers_hard_reg_p): New function.
9438 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9440 * pa.c (hppa_expand_prologue): Simplify code storing return
9441 pointer. For large (>=8k) frames with a post_store, adjust stack
9442 pointer by 8k-64 first rather than by 64. When testing with
9443 VAL_14_BITS_P, always use the actual value rather than the value
9444 negated. Add blockage to prevent scheduling of spills before
9445 stack frame has been created.
9446 (hppa_expand_epilogue): Simplify code loading return pointer.
9447 Allow a slightly larger range for merge_sp_adjust_with_load case.
9448 When testing with VAL_14_BITS_P, always use the actual value.
9450 * pa.c (pa_adjust_insn_length): Check that block move
9451 pattern is a set before looking at operands.
9453 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9455 * fold-const.c (fold_binary_op_with_conditional_arg): New
9456 function, split out from ...
9458 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9459 conditional arms that throw exceptions.
9461 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9464 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9466 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9467 define HAVE_DECL_* to 1 to mask potential backup declarations.
9468 * configure: Regenerated.
9470 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9472 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9474 2001-02-17 Richard Henderson <rth@redhat.com>
9476 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9477 when replacing a memory load with a register.
9479 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9480 Jan Hubicka <jh@suse.cz>
9482 * recog.c (validate_replace_src_1): New.
9483 (validate_replace_src_data): Likewise.
9484 (validate_replace_src): Use note_uses.
9485 * rtl.h (note_uses): Declare.
9486 * rtlanal.c (note_uses): New.
9488 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9490 * reg-stack.c (stack_def): Make field reg unsigned.
9491 (remove_regno_note): Unsignetize parameter.
9493 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9495 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9496 shladd_operand() call.
9498 2001-02-16 Bruce Korb <bkorb@gnu.org>
9499 Rodney Brown <RodneyBrown@mynd.com>
9501 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9502 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9503 machine restrictions
9504 * fixinc/fixincl.x: regen
9506 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9508 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9510 (hash_scan_insn): Clean up calls to hash_scan_set.
9511 (compute_kill_rd): REGNO now unsigned.
9512 (try_replace_reg): Rework to use simplify_replace_rtx.
9513 (cprop_jump, cprop_cc0_jump): Likewise.
9514 (cprop_insn): Call find_reg_equal_equiv_note.
9515 Reflect changes to cprop_jump and cprop_cc0_jump.
9517 * recog.c (validate_replace_src): Replace in operands of
9518 ZERO_EXTRACT in SET_DEST.
9520 * cse.c (new_label_ref): New variable.
9521 (insert): Set it instead of recorded_label_ref.
9522 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9523 CODE_LABEL for this function, and not already in REG_LABEL note.
9525 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9527 * resource.c (mark_referenced_resources): Fix typo in introductory
9529 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9532 2001-02-16 Jason Merrill <jason@redhat.com>
9534 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9536 (gen_subprogram_die): Don't abort on seeing a second definition if
9537 the previous one was abstract. Don't replace an abstract instance
9538 in the lookup table.
9540 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9541 gen_abstract_function.
9542 * dwarf2out.h: Declare it.
9543 * toplev.c (note_outlining_of_inline_function): New fn.
9544 * toplev.h: Declare it.
9545 * integrate.c (output_inline_function): Call it.
9546 * c-decl.c (duplicate_decls): Call it when redefining an extern
9547 inline. Don't inline the new defn.
9549 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9551 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9553 * .gdbinit: Rename to gdbinit.in.
9554 * gdbinit.in: New file,
9555 * configure.in: Generate .gdbinit from gdbinit.in.
9556 * configure: Regenerated.
9557 * Makefile.in (distclean): Always remove .gdbinit.
9559 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9561 * objc/objc-act.c (start_class): Register implemented_classes with
9564 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9566 * cppfiles.c (_cpp_make_system_header): Generate a file
9569 2001-02-15 Jim Meyering <meyering@lucent.com>
9571 * Makefile.in (install-common): Don't depend on installdirs here.
9572 Instead, make each of the lang.install-common targets (e.g.,
9573 c++.install-common in cp/Make-lang.in) depend on it.
9574 (install-driver): Depend on installdirs.
9576 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9578 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9580 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9583 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9585 * invoke.texi (--param): Document.
9587 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9589 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9591 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9593 * i386.md (extendsfdf2_2): Fix constraints.
9595 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9597 * i386.md (fop_df_3 splitter): Fix operand number.
9599 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9601 * invoke.texi (-mreg-alloc): Nuke.
9602 * i386.c (ix86_reg_alloc_order, regs_allocated,
9603 order_regs_for_local_alloc): Nuke.
9604 (override_options): Kill reg_alloc code.
9605 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9606 (REG_ALLOC_ORDER): SSE goes before I387.
9607 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9608 (ix86_reg_alloc_order): Likewise.
9609 * i386-protos.h (ix86_reg_alloc_order): Kill.
9611 2001-02-14 Richard Henderson <rth@redhat.com>
9613 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9615 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9617 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9619 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9621 * i386-protos.h (ix86_memory_move_cost): Move offline.
9622 * i386.c (ix86_register_move_cost): Compute properly cost of
9623 SSE, MMX and i387 instructions.
9624 (*_cost): Add costs of SSE/MMX moves.
9625 (ix86_memory_move_cost): Move offline from ....; Likewise.
9626 * i386.h (MEMORY_MOVE_COST): .... here;
9627 (struct processor costs): Add new fields to represent costs
9630 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9632 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9633 move_cost together with Matt Kraai's fix.
9635 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9637 * Makefile.in (OBJS): Add params.o.
9639 2001-02-14 Richard Henderson <rth@redhat.com>
9640 DJ Delorie <dj@redhat.com>
9642 * jump.c (jump_optimize_1): When we delete a conditional jump
9643 preceeding a non-conditional jump to effectively the same place,
9644 make sure that the combined jump skips any clobber insns between
9647 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9649 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9651 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9653 * Makefile.in (toplev.o): Depend on params.h.
9654 (intergate.o): Likewise.
9655 (params.o): New target.
9656 * flags.h (inline_max_insns): Remove.
9657 * integrate.c: Include params.h.
9658 Use MAX_INLINE_INSNS instead of inline_max_insns.
9659 * params.c: New file.
9660 * params.h: Likewise.
9661 * params.def: Likewise.
9662 * toplev.c: Include params.h.
9663 (lang_independent_params): New variable.
9664 (decode_f_option): Use the param machinery instead of setting
9666 (independent_decode_option): Handle "--param name=value".
9667 (main): Register language-independent parameters.
9669 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9671 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9673 2001-02-14 Richard Henderson <rth@redhat.com>
9675 * regclass.c (init_reg_sets_1): Revert last two changes.
9677 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9679 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9680 (variable_size): Call put_pending_size.
9681 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9682 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9683 sizes list, put newly created SAVE_EXPR there as well.
9685 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9687 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9688 (errata_find_address_regs): load_group has only 2 entries.
9689 (errata_emit_nops): Likewise. shladd is not problematic.
9690 Clear last_group if nop was emitted.
9691 (fixup_errata): load_group has only 2 entries.
9694 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9696 * c-lex.c (lex_number): Only warn traditionally for U suffix
9697 outside system macros.
9698 * cppexp.c (parse_number): Similarly.
9699 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9700 * cppmacro.c (struct cpp_macro): New member node.
9701 (parse_args): Only warn about missing rest args if not
9703 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9704 (cpp_sys_objmacro_p): New.
9705 (_cpp_create_definition): Store the node with the macro defn.
9706 Remember if the macro is defined in a system header.
9708 2001-02-13 DJ Delorie <dj@redhat.com>
9710 * configure.in (check_languages): determine languages to check
9711 * Makefile.in (check-c++): alias for check-g++
9712 (check-f77): alias for check-g77
9713 (CHECK_TARGETS): depend on configured languages
9715 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9717 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9718 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9719 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9720 (sqrtextendsfdf2): Disable for SSE2.
9722 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9724 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9725 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9726 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9727 (sqrtextendsfdf2): Disable for SSE2.
9729 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9731 * i386.md (movsfcc_1): Support integer cmove instruction.
9732 (movdfcc_1): Likewise; new splitter.
9734 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9736 * i386.c (output_fp_compare): Support SSE.
9737 (prepare_fp_compare_args): SSE comparisons always support memory.
9738 * i386.h (TARGET_CMOVE): SSE imply cmove.
9739 * i386.md (cmp?f2): Enable for SSE too.
9740 (cmpfp_i*): Support SSE.
9742 (cmpfp_i_sse_only): New.
9743 (s*, b* fp expanters): Enable for SSE too.
9744 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9747 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9749 * regclass.c (init_reg_sets_1): Silence warning.
9751 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9753 * i386.md (sqrt?f2): Change to expander.
9754 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9756 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9758 * rtlanal.c (find_reg_equal_equiv_note): New function.
9759 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9760 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9761 * rtl.h: Add declarations for above functions.
9763 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9765 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9767 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9768 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9769 * flow.c (mark_regs_live_at_end): Likewise.
9770 (calculate_global_regs_live): Likewise.
9771 * gcse.c (compute_hash_table): Likewise.
9772 (compute_kill_rd): Likewise.
9773 * resource.c (mark_target_live_regs): Likewise.
9774 * rtl.h (INVALID_REGNUM): New macro.
9776 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9778 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9780 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9782 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9785 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9787 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9789 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9790 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9791 (fop_sf_1_sse, fop_df_1_sse): New patterns
9792 (fop_*): Disable float_extend and float patterns for SSE compilation.
9793 * i386.c (output_387_binary_op): Support SSE.
9795 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9797 * i386.md (dummy_extendsfdf2): Support SSE2
9798 (extendsfdf2): Enable if 80387 or SSE2.
9799 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9800 and no MIX_I387_SSE2
9801 (extendsfdf2_1_sse_only): New pattern.
9802 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9804 (truncdfsf2_1): Support SSE.
9805 (truncdfsf2_2): Support SSE.
9806 (truncdfsf2_2_1_sse): New pattern.
9807 (fixtruncsfsi2): Always use SSE if available.
9808 (fix_truncsfsi_sse): New pattern.
9809 (fix_truncdfsi_sse): New pattern.
9810 (floatsis?f2): Support SSE.
9811 (floatsidf2_i387): New pattern.
9812 (floatsidf2_sse): Likewise.
9814 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9816 * configure.in: Use "have_gnat" variable, not "gnat".
9817 * configure: Regenerated.
9819 * config/sparc/sparc.c (function_value): Treat all non-record
9820 aggregate types like used to treat UNION_TYPE.
9822 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9824 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9825 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9827 (MASK_MIX_SSE_I387): New.
9828 (TARGET_SSE): SSE2 imply SSE.
9829 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9830 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9831 (enum reg_class): Add new classes.
9832 (REG_CLASS_NAMES): Likewise.
9833 (REG_CLASS_CONTENTS): Likewise.
9834 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9835 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9836 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9837 (CLASS_MAX_NREGS): Use new macros.
9838 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9839 * i386.md (pushsf, movsf): Support SSE.
9840 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9841 splitters to use ANY_FP_REGNO_P.
9842 (movdf_nointeger, movdf_integer): Likewise.
9844 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9846 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9847 (try_combine): Use it.
9849 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9851 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9852 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9853 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9854 (REGISTER_MOVE_COST): Likewise.
9855 * i386-protos.h (ix86_secondary_memory_needed,
9856 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9857 * i386.c (ix86_secondary_memory_needed,
9858 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9860 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9862 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9863 (HARD_REGNO_MODE_OK): Move offline to ....
9864 * i386.c (ix86_hard_regno_mode_ok) ... here;
9865 refuse all incorrect modes.
9866 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9868 2001-02-13 Richard Henderson <rth@redhat.com>
9870 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9871 entire operator; replicate that and match_dup the operands.
9872 (cmp_ccx_arith_op_set): Likewise.
9873 (cmp_cc_arith_op_not_set): Likewise.
9874 (cmp_ccx_arith_op_not_set): Likewise.
9876 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9878 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9880 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9882 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9883 (TARGET_NO_BITFIELD_WORD): New macro.
9884 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9885 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9887 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9889 * cselib.c: New file, from simplify-rtx.c.
9890 * simplify-rtx.c: Remove cselib parts.
9891 * Makefile.in: Add cselib.o.
9893 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9895 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9896 (setup_incoming_varargs): Remove warning.
9898 * config/rs6000/rs6000.c (validate_condition_mode): When
9899 flag_fast_math, allow floating-point conditionals to be reversed.
9900 (rs6000_generate_compare): When flag_fast_math, don't generate
9901 cror operations for FP conditionals.
9903 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9905 (ASM_SPEC): Likewise.
9906 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9907 (CC1_SPEC): Likewise.
9908 (LINK_TARGET_SPEC): Likewise.
9909 (CPP_ENDIAN_SPEC): Likewise.
9910 * Makefile.in (check-consistency): New target.
9912 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9914 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9915 "return type defaults" warning for functions with return type
9917 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9918 function declarations by default rather than only when pedantic.
9920 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9922 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9925 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9927 * extend.texi (Deprecated): Deprecate new initializer lists.
9929 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9931 * mkdeps.c (deps_add_default_target): Robustify. Add
9932 basename component only.
9933 * cpp.texi (-M): Describe how default target is generated.
9934 * invoke.texi (-M): Likewise.
9936 2001-02-12 Kazu Hirata <kazu@hxi.com>
9938 * toplev.c (push_float_handler): Remove.
9939 (pop_float_handler): Remove.
9940 * toplev.h: Remove prototypes for the above functions.
9942 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9944 * c-common.c (constant_fits_type_p): New function.
9945 (convert_and_check): Use it.
9947 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9949 * Makefile.in (GXX_ABI_FLAG): Don't define.
9950 * configure.in (--enable-new-gxx-abi): Remove option.
9951 * config.in: Regenerated.
9952 * configure: Likewise.
9954 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9956 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9958 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9959 regular basic block, and arrange for all edges into it to switch
9962 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9964 * Makefile.in (distclean): Do not remove .gdbinit.
9966 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9968 * Makefile.in (gcc.o): Fix typos.
9969 (protize.o): Likewise.
9970 (unprotoize.o): Likewise.
9972 2001-02-11 Richard Henderson <rth@redhat.com>
9974 * tree.c (build1): Check for null operand in last change.
9976 2001-02-11 Richard Henderson <rth@redhat.com>
9978 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9979 (fold): Don't assume a constant isn't foldable.
9980 * tree.c (build): Set TREE_CONSTANT for an expression with no
9981 side-effects and constant operands.
9984 2001-02-10 Richard Henderson <rth@redhat.com>
9986 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9988 2001-02-10 Anthony Green <green@redhat.com>
9990 * cpp.texi (Standard Predefined): Add documentation for
9993 * c-common.c (combine_strings): Improve warning message.
9995 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9997 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9999 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10001 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10003 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10006 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10008 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10011 2001-02-09 Nick Clifton <nickc@redhat.com>
10013 * config/arm/arm.md: Change output contraint on post inc
10014 load/store multiple patterns to be a read/write contraint.
10016 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10018 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10019 .o files when using the -M options.
10021 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10022 David Edelsohn <edelsohn@gnu.org>
10024 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10025 handle DImode constants. Use one TOC entry for SImode and smaller
10026 constants, aligned properly.
10028 2001-02-08 Jason Merrill <jason@redhat.com>
10030 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10031 about the SP adjustment for saving the static chain pointer.
10032 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10033 offset when setting a temporary CFA register.
10035 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10037 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10038 powerpc-*-chorusos* .
10039 * config/rs6000/chorus.h : New file.
10040 * config/i386/chorus.h : New file.
10041 * config/sparc/chorus.h : New file.
10042 * config/sparc/t-chorus-elf : New file.
10044 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10046 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10047 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10048 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10049 (__WCHAR_TYPE__): Correct macro name.
10051 2001-02-08 Richard Henderson <rth@redhat.com>
10053 * config/i386/i386.c (ix86_frame_pointer_required): New.
10054 (ix86_setup_frame_addresses): New.
10055 (struct machine_funciton): Add accesses_prev_frame.
10056 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10057 ix86_frame_pointer_required.
10058 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10059 (SETUP_FRAME_ADDRESSES): New.
10060 * config/i386/i386-protos.h: Update.
10061 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10062 from FRAME_POINTER_REQUIRED.
10063 * config/i386/svr3gas.h: Likewise.
10064 * config/i386/sysv3.h: Likewise.
10065 * config/i386/v3gas.h: Likewise.
10067 2001-02-08 Richard Henderson <rth@redhat.com>
10069 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10070 calculation of the number of integer registers required.
10071 (function_arg_record_value): Likewise.
10073 2001-02-08 Jason Merrill <jason@redhat.com>
10075 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10076 two. Print file and line with "confused" message.
10078 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10080 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10082 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10084 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10086 * final.c (cleanup_subreg_operands): The address of a MEM can
10089 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10092 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10094 * gcc.texi (Incompatibilities): Update documentation of
10095 preprocessing numbers.
10097 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10099 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10101 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10103 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10105 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10106 * gcc.c (struct compiler): Add cpp_spec field.
10107 (input_file_compiler): New variable.
10108 (do_spec_1): Allow a particular compiler to handle `%C'
10110 (main): Store the current compiler in input_file_compiler.
10111 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10113 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10115 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10116 * cppinit.c (cpp_create_reader): Initialize them.
10117 (append_include_chain): cxx_aware arg might be unused.
10118 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10119 keywords and give them their phase 7 meaning. Pedwarn about
10120 this unless '__bool_true_false_are_defined' is defined.
10122 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10124 * lcm.c (optimize_mode_switching): Emit mode_set before the
10125 JUMP_INSN of an abnormal edge.
10127 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10129 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10130 a scheduling barrier at the end.
10132 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10134 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10136 * config/sh/sh.md (reload_outsf): Removed.
10137 (movsf_ie): Introduce constraints for FPUL loads and stores.
10138 (reload_insf): Broaden the output constraint.
10140 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10142 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10143 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10145 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10147 * final.c: Revert my previous changes.
10148 * output.h: Make profile_label_no extern.
10149 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10150 for generating label.
10152 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10154 * config/i386/djgpp.h: Add comments about standard paths.
10155 (MD_EXEC_PREFIX): Undefine before defining.
10156 (MD_STARTFILE_PREFIX): New.
10158 2001-01-30 Bruce Korb <bkorb@gnu.org>
10160 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10161 (load_file): do not rely on load_file_data() to close file pointer
10162 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10163 fixinc/inclhack.def(irix_limits_const): add test_text
10165 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10167 * cppexp.c (parse_defined): Improve diagnostics for invalid
10170 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10172 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10174 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10176 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10177 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10178 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10179 (rs6000_output_symbol_ref): New function.
10180 (output_toc): Use VTABLE_NAME_P.
10182 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10184 * print-tree.c (print_node, case PARM_DECL):
10185 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10187 * stor-layout.c (reference_types_internal): New variable.
10188 (internal_reference_types): New function.
10189 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10190 * tree.h (internal_reference_types): New declaration.
10192 * cse.c (find_best_addr): Fix typo in computing cost.
10194 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10196 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10197 and this is the sum of a pointer and a constant, we know the result
10199 (num_sign_bit_copies, case PLUS): Likewise.
10200 * explow.c (convert_memory_address): Remove opposite SUBREG.
10201 * function.c (instantiate_new_reg): New function (from common code).
10202 (instantiate_virtual_regs_1): Call it.
10203 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10204 if pointers sign- or zero-extend.
10205 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10206 If pointers extend unsigned, use inside of SUBREG.
10207 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10209 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10211 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10212 subdir of gcc_gxx_include_dir.
10213 (gcc_gxx_target_include_dir): Remove.
10215 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10217 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10218 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10219 a high-level description.
10221 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10223 * final.c: Move the declaration of profile_label_no to ...
10224 * output.h: ... here.
10225 * function.c (expand_function_start): Call PROFILE_HOOK.
10226 * config/rs6000/aix.h: Define PROFILE_HOOK.
10227 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10228 * config/rs6000/rs6000.c (output_profile_hook): Define.
10229 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10230 output_profile_hook.
10231 tm.texi : Explain new macro PROFILE_HOOK.
10233 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10235 * extend.texi (Extended Asm): Do not say that semicolon is always
10236 a valid line-breaking character for GNU assemblers. Use
10237 newline-tab as the most commonly supported syntax. Use
10238 newline-tab rather than semicolon in multi-insn examples.
10240 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10242 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10244 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10245 David Edelsohn <edelsohn@gnu.org>
10247 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10248 code for AIX, even without flag_pic.
10250 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10252 * c-typeck.c (common_type): push and pop binding level around
10253 calling common_type on function parameters.
10255 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10257 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10259 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10261 * config/mips/mips.c (override_options): Fix typo in last change.
10262 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10263 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10265 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10267 * invoke.texi (-fdump-class-layout): Document.
10268 (-fdump-translation-unit): Use `=' as filename separator.
10270 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10272 * Makefile.in (s-mlib): Don't build multilibs if
10273 --disable-multilib.
10274 (DRIVER_DEFINES): Adjust accordingly.
10276 (protoize.o): Likewise.
10277 (unprotoize.o): Likewise.
10278 * configure.in: Recognize --enable-multilib.
10280 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10282 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10284 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10285 * configure.in: Remove --enable-libstdcxx_v3 support.
10286 * configure: Regenerated.
10288 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10290 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10291 Call abort instead of fatal.
10292 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10293 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10294 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10295 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10296 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10297 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10299 * diagnostic.h (set_internal_error_function): Renamed.
10300 * toplev.h (internal_error): Renamed from fatal.
10301 (pfatal_with_name): Deleted.
10302 (fatal_io_error): Now has printf-style arguments.
10303 * diagnostic.c (pfatal_with_name): Deleted.
10304 (fatal_io_error): Rework to have args in printf-style.
10305 (set_internal_error_function): Renamed from set_fatal_function.
10306 (internal_error): Renamed from fatal.
10307 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10308 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10309 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10310 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10311 * flow.c (verify_flow_info): Likewise.
10312 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10313 * config/mips/mips.c (save_restore_insns): Likewise.
10315 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10316 * flow.c (verify_flow_info): Likewise.
10317 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10318 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10319 (avr_normalize_condition): Likewise.
10320 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10321 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10322 (limit_reload_class, double_reg_to_memory): Likewise.
10323 (print_operand_address, emit_1600_code_shift): Likewise.
10324 (gen_tst_reg, gen_compare_reg): Likewise.
10325 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10326 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10328 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10330 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10331 * objc/objc-act.c (build_ivar_chain): Likewise.
10332 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10334 * graph.c (clean_graph_dump_file): Likewise.
10335 * profile.c (init_branch_prob): Likewise.
10336 * objc/objc-act.c (objc_init): Likewise.
10338 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10339 * config/avr/avr.c (avr_override_options): Likewise.
10340 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10341 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10342 * config/h8300/h8300.c (h8300_init_once): Likewise.
10343 * config/mips/mips.c (override_options): Likewise.
10344 * config/i386/i386.c (override_options): Likewise, rework.
10345 * config/m68k/m68k.c (override_options): Likewise.
10347 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10349 * config/mips/mips.c (print_operand): Likewise.
10350 * hash.c (hash_allocate): Don't check for failure returns from
10351 obstack functions that can't fail.
10352 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10353 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10354 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10355 (get_object_reference): Likewise.
10357 2001-02-04 Nick Clifton <nickc@redhat.com>
10359 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10360 StrongARM1110, 10TDMI, and 1020T.
10362 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10364 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10366 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10368 * config/sh/sh.md (movdf load split): Pass register number to
10369 FP_OR_XD_REGISTER_P.
10371 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10373 * cppinit.c (BC): New macro.
10374 (builtin_array): Add __GXX_WEAK__.
10375 * cpplib.h (builtin_type): Add BT_WEAK.
10376 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10377 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10378 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10380 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10382 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10384 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10386 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10387 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10389 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10391 * cpphash.h: Rename ALIGN _ALIGN.
10392 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10394 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10396 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10397 compilation environment.
10398 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10399 control over location of cygwin includes and libs.
10401 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10403 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10405 2001-02-02 lars brinkhoff <lars@nocrew.org>
10407 * md.texi (Standard Names): remove reference to spur.md.
10409 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10411 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10412 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10413 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10414 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10415 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10417 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10419 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10420 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10421 number before reload.
10422 (c4x_adjust_cost): Return zero before reload.
10423 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10424 split before reload.
10426 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10428 * c4x.c (c4x_hard_regno_rename_ok): New.
10429 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10430 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10432 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10434 * diagnostic.h: Add missing "extern" in all declarations.
10436 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10438 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10439 as for gcc_gxx_include_dir.
10441 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10443 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10445 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10447 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10448 label before alignment to be used as the braf base address.
10449 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10451 (casesi_jump_2): Require at least TARGET_SH2.
10453 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10454 truncation to 32-bit doubles on -m3e and -m4-single-only.
10456 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10458 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10459 the default when building a shared object.
10460 (init_spec): Use it.
10461 * testsuite/lib/g++.exp: Include the directory where libgcc
10462 is located to the LD_LIBRARY_PATH list.
10463 * invoke.texi (-shared-libgcc): Document the cases in which
10464 GCC defaults to using the shared libgcc.
10466 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10468 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10469 unsigned is wide enough.
10470 (BITS_PER_SI): New.
10471 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10472 (si_to_float): Likewise.
10473 (float_to_si, float_to_usi): Use BITS_PER_SI.
10475 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10477 * dwarf2out.c: Added explanation of abbreviations.
10478 (def_cfa_1): Added comments listing DWARF2 instructions.
10479 (cfa_temp_reg): Removed in favor of cfa_temp.
10480 (cfa_temp_value): Removed in favor of cfa_temp.
10481 (cfa_temp): New global variable.
10482 (dwarf2out_frame_debug_expr): Added extensive introductory
10483 comments explaining the function's transformations. Revised to
10484 use cfa_temp. Added some rtx checking. Generalize IOR case.
10485 (dwarf2out_frame_debug): Revised to use cfa_temp.
10486 (output_aranges): Cast as "unsigned" to avoid warning.
10487 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10488 explain which instructions must be marked.
10490 2001-02-01 Richard Henderson <rth@redhat.com>
10492 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10495 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10497 * config/sh/crt1.asm (main_k): Modified so that start calls
10498 ___setup_argv_and_call_main.
10500 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10502 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10503 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10504 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10505 * cppmacro.c (builtin_macro): Set builtin flags here.
10506 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10507 (replace_args): Clarify intent.
10508 (cpp_get_token): Macro expansion tokens get the saved flags.
10510 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10513 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10515 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10518 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10520 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10521 returns Pmode pseudo, but we need ptr_mode.
10522 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10523 Remove bogus conversions; use HOST_WIDE_INT for size.
10524 Don't use TARGET if wrong mode.
10526 * config/i386/i386.c (ix86_compute_frame_size): Allow
10527 stack_alignment_needed to be non-default even if size is zero.
10529 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10531 * pa.c (hppa_init_pic_save): New function.
10532 * pa.h (hppa_init_pic_save): Declare.
10533 * pa.md (call, call_value, sibcall, sibcall_value): Use
10534 the above instead of duplicated code.
10536 * pa.c (hppa_encode_label): Correct size of alloca buffer
10537 so we don't overrun it. Correct leading `*' case.
10538 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10539 need to handle `*@'.
10540 (FUNCTION_NAME_P): Likewise.
10542 2001-01-31 Richard Henderson <rth@redhat.com>
10544 * config.gcc (alpha-osf5): Use float-i128.h.
10546 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10547 * config/float-i32.h: Likewise.
10548 * config/float-i64.h: Likewise.
10549 * config/float-sh.h: Likewise.
10550 * config/float-sparc.h: Likewise.
10552 2001-01-31 DJ Delorie <dj@redhat.com>
10554 * expmed.c (extract_bit_field): allow non-integral modes if we
10555 want to extract a whole register from itself.
10557 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10559 * c-typeck.c (set_init_index): If first is equal to last, assume as
10560 if it was not a range at all.
10562 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10564 * config/fp-bit.c: Include tm.h.
10565 (float_to_si): Don't assume SImode is 32-bits wide.
10566 (float_to_usi): Likewise.
10568 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10570 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10572 (typename): Call pending_xref_error after parsing typed_typespecs.
10573 * c-decl.c (lookup_tag): Give error immediately rather than
10574 leaving it pending if the tag of the wrong type is in the same
10576 (xref_tag): Don't pedwarn for forward declarations of enum types
10578 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10581 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10583 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10585 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10587 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10588 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10590 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10592 * cpphash.h (struct cpp_reader): New saved_flags.
10593 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10594 to avoid a paste after a pasted token.
10596 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10598 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10599 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10600 Wtype_MIN instead of LONG_MIN.
10602 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10604 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10606 * fixinc/fixincl.x: Regenerated.
10607 * fixinc/inclhack.def (irix_limits_const): New definition to
10608 convert "const" to "__const" in limits.h.
10610 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10612 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10614 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10616 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10617 when register dies in the insn.
10619 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10621 * diagnostic.c (fatal): Fix word wrap.
10623 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10625 * combine.c (try_combine): Fix SUBREG setting for
10626 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10628 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10630 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10633 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10635 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10637 * toplev.c (decode_W_option): Update warn_larger_than
10638 unconditionally for each processed switch.
10640 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10642 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10644 (hppa_expand_prologue): Delete code to save pic offset table register
10645 in the function prologue.
10646 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10647 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10648 table register at the beginning of the function after the prologue.
10650 2001-01-29 lars brinkhoff <lars@nocrew.org>
10652 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10654 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10655 Jeff Law <law@redhat.com>
10657 * pa.md (return): Revise comment for trivial return.
10658 (return_internal): Non-trivial return pattern for non-PIC code.
10659 (return_internal_pic): Non-trivial return pattern for PIC code.
10660 It uses the PIC register to ensure it is restored after
10662 (epilogue): Generate appropriate return for PIC and non-PIC code.
10664 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10666 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10668 2001-01-29 DJ Delorie <dj@redhat.com>
10670 * combine.c (if_then_else_cond): Pass the correct mode to
10671 operand_subword() for constants.
10673 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10675 * config/i386/cygwin.h: Add w32api to include search. Search different
10676 directories in a cross-build environment.
10678 2001-11-29 Tim Josling <tej@melbpc.org.au>
10680 * tree.h (TYPE_STUB_DECL): Add documentation.
10682 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10684 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10685 (sdbout_field_types): Likwise. Fix use of host_integerp.
10687 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10689 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10692 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10694 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10695 to use flag_gnu_linker.
10697 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10699 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10700 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10702 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10704 * tree.c, tree.h (build_parse_node): Remove; was identical to
10706 * c-lang.c (start_cdtor), objc/objc-act.c
10707 (build_module_descriptor): Use build_nt instead of
10710 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10712 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10713 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10714 not have any upper bits set.
10716 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10718 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10720 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10722 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10724 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10726 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10727 (integer_minus_one_node): Define.
10729 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10731 * Makefile.in (bootstrap2-lean): Fix typo.
10733 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10735 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10736 : Don't set fe_value.
10737 * cpplib.h (AVOID_LPASTE): New flag.
10738 (struct cpp_hashnode): Remove fe_value.
10739 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10740 * cppmacro.c (builtin_macro): Don't set flags here.
10741 (replace_args): Set AVOID_LPASTE flag on first token of an
10742 argument, and the token following it.
10743 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10744 macro expansion, and on the token following it. Do it for
10746 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10748 2001-01-27 Richard Henderson <rth@redhat.com>
10750 * config/alpha/t-ieee: Remove multilibbing.
10751 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10753 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10755 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10757 * Makefile.in: Remove all dependencies on defaults.h.
10758 * builtins.c: Don't include defaults.h.
10759 * c-common.c: Likewise.
10760 * c-decl.c: Likewise.
10761 * c-pragma.c: Likewise.
10762 * c-typeck.c: Likewise.
10763 * combine.c: Likewise.
10764 * i386.c: Likewise.
10765 * frame-ia64.c: Likewise.
10766 * cppexp.c: Likewise.
10767 * crtstuff.c: Likewise.
10768 * dbxout.c: Likewise.
10769 * dwarf2out.c: Likewise.
10770 * dwarfout.c: Likewise.
10771 * emit-rtl.c: Likewise.
10772 * except.c: Likewise.
10773 * expr.c: Likewise.
10774 * final.c: Likewise.
10775 * frame-dwarf2.c: Likewise.
10776 * libgcc2.c: Likewise.
10777 * optabs.c: Likewise.
10778 * profile.c: Likewise.
10779 * sdbout.c: Likewise.
10780 * toplev.c: Likewise.
10781 * tradcif.y: Likewise.
10782 * tree.c: Likewise.
10783 * varasm.c: Likewise.
10785 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10787 * builtins.c (expand_builtin_fputs): Use size_one_node when
10788 transforming into fwrite.
10790 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10792 * extend.texi (Attribute Syntax): New section.
10794 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10796 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10797 they didn't need fixing.
10799 2001-01-27 Janis Johnson <janis@us.ibm.com>
10801 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10803 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10804 to remove macro definitions that are duplicated from elfos.h.
10806 2001-01-27 Richard Henderson <rth@redhat.com>
10808 * config/i386/sco5gas.h: Move ...
10809 * config/usegas.h: ... here.
10810 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10812 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10814 * c-typeck.c (struct constructor_stack): Add range_stack member.
10815 (really_start_incremental_init): Clear it.
10816 (push_init_level): Save constructor_range_stack and clear it if
10817 pushing explicit braces.
10818 (pop_init_level): abort if constructor_range_stack is non-zero at
10819 explicit closing brace. Restore saved constructor_range_stack if
10822 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10824 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10825 into register was forced into memory.
10827 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10829 * Makefile.in: Remove uses of + before $(MAKE).
10831 2001-01-26 Richard Henderson <rth@redhat.com>
10833 * stmt.c (cost_table): Remove.
10834 (COST_TABLE, cost_table_initialized): New.
10835 (estimate_case_costs): Use the later instead of the former.
10836 (balance_case_nodes): Likewise.
10838 2001-01-26 Richard Henderson <rth@redhat.com>
10840 * alias.c (objects_must_conflict_p): Read-only slots may not
10841 conflict despite having the same type.
10843 2001-01-27 Michael Hayes <mhayes@redhat.com>
10845 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10847 (check_ext_dependant_givs): Initialise u_start_val and
10849 (load_mems): Make last_max_reg unsigned.
10850 (try_swap_copy_prop): Use INSN_P and initialise set.
10852 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10854 * README.AVR : Removed.
10856 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10858 * pa-64.h (text_section): Remove declaration.
10860 * pa.md (return_internal): Remove mode on PIC register use.
10862 2001-01-25 lars brinkhoff <lars@nocrew.org>
10864 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10865 ASM_CLOSE_PAREN): fix typos.
10867 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10869 * acconfig.h: Define `const' to the empty string if neither
10870 __STDC__ nor __cplusplus is defined.
10871 * config.in: Regenerated.
10873 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10875 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10876 * collect2.c (main): Delete importf. Add ".obj" file extension.
10877 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10878 (aix_std_libs): Add additional AIX libraries to skip.
10879 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10880 * config/rs6000/aix51.h: New file.
10882 2001-01-25 Michael Hayes <mhayes@redhat.com>
10884 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10885 (loop_insn_emit_before): No longer static.
10886 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10887 (loop_givs_rescan, load_mems): Likewise.
10888 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10889 (maybe_eliminate_biv_1):
10890 (move_movables): Replace emit_call_insn_before with
10891 loop_call_insn_hoist.
10892 * loop.h (loop_insn_emit_before): Add.
10893 * unroll.c (copy_loop_body): Replace emit_insn_before with
10894 loop_insn_emit_before.
10896 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10898 * diagnostic.c (fatal): Request preprocessed source.
10900 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10902 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10903 olddecl has argument types and newdecl has none, use the argument
10904 types from olddecl.
10906 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10908 * dwarf2out.c (prefix_of): New function. Determine longest common
10909 prefix of the two arguments. The units are whole path components.
10910 (output_file_names): When adding a new directory find the one entry
10911 with the longest common prefix already in the list. Artificially
10912 generate entry if there is none for this prefix.
10913 Fix test to check whether the zeroth directory entry is used.
10915 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10917 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10918 Changed all callers. Take it into account when deciding if a
10919 previously loaded value matches.
10921 2001-01-24 Richard Henderson <rth@redhat.com>
10923 * reload.c (find_reloads_subreg_address): Fail the substitution
10924 if the resulting address is insufficiently aligned.
10926 2001-01-24 DJ Delorie <dj@redhat.com>
10928 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10929 check the original operand's mode also.
10930 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10932 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10934 * c-parse.in (cast_expr): Move compound literals from here ...
10935 (primary): ... to here. Use standard terminology "compound
10936 literal" instead of "constructor expression".
10938 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10940 * gcc.1, cpp.1: Regenerate.
10942 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10944 * calls.c (emit_library_call_value_1): Memory slot for
10945 pass-by-reference argument should have the mode of the argument,
10946 not of the pointer to it.
10948 2001-01-24 Tom Tromey <tromey@redhat.com>
10950 * gcc.texi (G++ and GCC): Mention gcj manual.
10951 (Standards): Link to section of manual mentioning gcj/Java
10954 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10956 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10957 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10958 * tradcpp.c (main): Add -imacros or -include'd dependencies
10960 * cpp.texi (-M, -MM): Document -M -include behaviour.
10962 2001-01-24 Roger Collins <roger@ProProject.com>
10964 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10966 2001-01-24 Will Cohen <wcohen@redhat.com>
10968 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10969 whether registers are 32 bits or 64 bits in size.
10971 2001-01-24 Ben Elliston <bje@redhat.com>
10973 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10975 2001-01-24 Richard Henderson <rth@redhat.com>
10977 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10978 (builtin_longjmp): Use it instead of emit_indirect_jump.
10980 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10982 * bb-reorder.c (make_reorder_chain_1): Handle case where
10983 jump edge goes to the same block as the fallthru edge.
10985 2001-01-23 Jim Wilson <wilson@redhat.com>
10987 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10988 * frame.h (__ia64_personality_v1): Add prototype.
10989 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10990 prototype form. Add void * cast to first argument to personality
10992 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10993 (asctoe113): Likewise.
10994 * config/ia64/frame-ia64.c: Include eh-common.h.
10995 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10997 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10999 (itanium_split_issue): Add prototype.
11000 (gen_nop_type): Ifdef out.
11001 (find_best_packet): Initialize best_packet.
11002 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11004 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11005 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11006 (flushrs): Add explicit stop bit at end.
11007 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11010 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11012 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11014 * libgcc2.c (__terminate_func): Make variable static.
11015 (__terminate_set_func): New function to set __terminate_func.
11016 * libgcc2.h (__terminate_func_ptr): New typedef.
11017 (__terminate_set_func): New function.
11019 2001-01-23 Richard Henderson <rth@redhat.com>
11021 * flow.c (init_propagate_block_info): Don't consider unchanging
11022 memories for dead frame store elimination.
11024 2001-01-23 Richard Henderson <rth@redhat.com>
11026 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11027 * defaults.h: ... here.
11029 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11031 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11033 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11035 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11037 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11039 * rs6000.h (rs6000_return_addr): Move prototype from here...
11040 * rs6000-protos.h (rs6000_return_addr): ...to here.
11041 (rs6000_init_expanders): Delete prototype.
11043 2001-01-23 Nick Clifton <nickc@redhat.com>
11045 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11046 (Spec Files): Document %B and %j and %. and %v3 and %M and
11047 %{S*&T} spec switches.
11049 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11051 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11053 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11054 Neil Booth <neil@daikokuya.demon.co.uk>
11056 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11057 Have -Werror make pedantic warnings errors, like the
11060 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11062 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11064 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11066 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11067 * integrate.c (expand_inline_function): Initialize them.
11068 (subst_constants): If changing COMPARE so that both its arguments
11069 will be VOIDmode and the comparison mode will be lost, note
11070 compare_mode. Use the recorded compare_mode to optimize
11073 2001-01-23 Jason Merrill <jason@redhat.com>
11075 * dwarf2out.c (new_die): Use xcalloc.
11076 (output_die): Abort rather than emit a local reference to offset 0.
11078 2001-01-17 Andrew Haley <aph@redhat.com>
11080 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11081 of a saved register; return NULL instead.
11082 (copy_reg): Take a pointer to a source register rather than a
11084 (next_stack_level): Remember the address in the stack frame of all
11086 Use the saved register pointer array as the source of the CFA.
11087 (throw_helper): Rewrite. Unwind once rather than twice and keep
11088 track of saved registers as we go.
11090 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11092 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11093 * c4x.c (c4x_legitimize_reload_address): Remove.
11094 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11095 reload address for ldp(k) insn.
11097 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11099 * pa.md (return_internal): Add a USE of the PIC register to ensure
11100 it is restored after each call.
11101 (return expander): Corresponding changes.
11103 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11105 * rs6000.h (INIT_EXPANDERS): Delete.
11106 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11107 * rs6000.c (rs6000_override_options): Call *_machine_status from
11109 (rs6000_init_expanders): ...instead of here. Delete.
11110 (rs6000_mark_machine_status): New function.
11111 (rs6000_init_machine_status): Use xcalloc.
11112 (rs6000_return_addr): Generate RTX for the return address.
11113 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11114 (rs6000_stack_info): Use it.
11116 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11118 * gthr-win32.h: Include errno.h to get a declaration for
11119 EINVAL and _mingw.h if the target is mingw32.
11121 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11123 * cpp.texi: Correct typos.
11125 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11127 * explow.c (probe_stack_range): Ensure value passed to
11128 stack_check_libfunc is ptr_mode, not Pmode.
11130 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11132 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11133 case, don't use operand_subword to calculate a SUBREG that is
11136 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11138 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11140 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11141 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11142 valid. If not replace it by equivalent insns.
11144 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11146 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11147 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11148 (c4x_U_constraint, symbolic_address_operand): Likewise.
11149 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11151 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11152 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11153 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11154 anulling slot because of silicon bug.
11155 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11157 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11159 * cppexp.c (parse_charconst): Change `mask' type to agree
11162 2001-01-21 Richard Henderson <rth@redhat.com>
11164 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11165 pic_label_name in a linkonce section.
11167 2001-01-17 Philipp Thomas <pthomas@suse.de>
11169 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11171 * configure: Regenerate.
11173 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11175 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11176 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11178 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11180 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11181 If REVERSE nonzero then condition code in X must be reversed.
11182 (encode_section_info): Optimise if/else.
11183 (avr_function_value): Fix formatting.
11185 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11186 (difficult_branch): Likewise.
11187 (rvbranch): Likewise.
11188 (difficult_rvbranch): Likewise.
11190 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11192 * config/avr/libgcc.S: Fix comment.
11194 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11196 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11198 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11200 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11202 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11204 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11205 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11206 * configure, config.in: Regenerate.
11207 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11208 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11209 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11210 (doprint.o): New rule.
11212 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11214 * c-typeck.c (digest_init): Handle boolean types as scalars.
11216 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11218 * stmt.c (expand_return): Don't return anything if size is zero.
11219 Delete redundant assignment to BYTES.
11220 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11222 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11224 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11225 the same as the default library function names.
11226 * config/avr/avr.md: Document special characters after '%'.
11227 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11228 knowing which of the call-used registers are really clobbered.
11229 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11230 New. Both quotient and remainder from one libgcc.S call.
11231 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11232 clobber as few registers as possible.
11233 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11235 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11237 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11238 context of the top of the stack.
11240 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11242 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11243 (fixup_var_refs_insns): ...here.
11245 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11247 * function.c (fixup_var_refs_insns): Break up into
11248 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11249 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11250 [loop over hash table entries].
11251 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11252 fixup_var_refs_insns_with_hash, to match above changes.
11254 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11256 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11257 (libgcc.a): Likewise.
11258 (stmp-multilib): Likewise.
11259 (STAGE2_FLAGS_TO_PASS): Likewise.
11261 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11263 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11264 temporary if no_new_pseudos.
11266 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11268 * cppinternals.texi: Update.
11270 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11272 * arm.c (arm_init_builtins): Re-enable builtins.
11274 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11276 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11277 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11278 element to be null, and always expect an EXPR_LIST.
11279 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11280 * sched-deps.c (sched_analyze_1): Likewise.
11281 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11283 * regclass.c (max_set_parallel): New variable.
11284 (reg_scan): Take it into account in computation of max_parallel.
11285 (reg_scan_mark_refs, case SET): Compute it.
11287 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11289 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11290 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11292 2001-01-19 Jason Merrill <jason@redhat.com>
11294 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11295 for the abstract instance of an inline function.
11297 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11298 J"orn Rennecke <amylaar@redhat.com>
11300 * reload1.c (move2add_note_store): Treat all registers directly or
11301 indirectly derived from a base register as members of the same set
11303 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11304 of base register into account.
11306 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11308 * alias.c (find_base_value): Recognize TRUNCATE.
11309 (record_set): In PLUS case, invalidate if other summand is also a
11312 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11314 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11315 entry to be EXPR_LIST.
11316 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11317 be an EXPR_LIST (but not null, which other code doesn't allow).
11318 (note_stores): Properly handle PARALLEL in SET.
11319 Recursively call for top-level PARALLEL.
11320 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11321 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11323 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11325 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11327 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11328 not pfile->skipping (== 0).
11330 2001-01-17 Nick Clifton <nickc@redhat.com>
11332 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11335 2001-01-17 Jim Wilson <wilson@redhat.com>
11337 * invoke.texi (IA-64 options): Improve.
11339 2001-01-17 Tom Tromey <tromey@redhat.com>
11341 * invoke.texi (Optimize Options): Use `{}' to around @samp
11344 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11346 * invoke.texi (-fno-guess-branch-probability): New option.
11348 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11350 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11351 case of making new double-word constant.
11352 Revert last change: instead just test i3_subst_into_i2.
11354 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11356 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11357 Use q constraints instead of r.
11359 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11361 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11362 (machine_function): Define.
11363 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11364 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11365 pa_free_machine_status): New functions.
11366 (override_options): Set {init,mark,free}_machine_status to above.
11367 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11368 PIC_OFFSET_TABLE_REGNUM_SAVED.
11369 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11370 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11371 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11372 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11373 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11375 2001-01-15 DJ Delorie <dj@redhat.com>
11377 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11381 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11383 * flow.c (propagate_one_insn): Make trying to delete a prologue
11384 or epilogue insn an ICE, not a warning. Allow doing this if
11385 the current function returns with stack pointer depressed.
11387 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11388 I3 having more than one SET.
11390 2001-01-16 Jim Wilson <wilson@redhat.com>
11392 * invoke.texi: Document IA-64 options.
11394 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11395 (fixup_errata): Delete TARGET_A_STEP use.
11396 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11397 (TARGET_SWITCHES): Delete -ma-step option.
11398 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11399 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11400 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11401 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11402 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11403 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11405 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11406 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11407 cmovsi_internal): Delete ! TARGET_A_STEP check.
11409 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11411 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11412 possibility to report bugs via postal mail. Change a URL and
11413 merge in a nearly duplicate statement...
11414 (Bug Reporting): ...from here.
11415 (Service): Refer to the Bug Reporting section instead of
11416 duplicating an URL.
11417 (Contributing): Remove trivial explanations concerning snapshots.
11419 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11421 * cppmain.c (general_init): Don't use ANSI prototype.
11423 2001-01-16 Tom Tromey <tromey@redhat.com>
11425 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11427 2001-01-16 Richard Henderson <rth@redhat.com>
11429 * config/i386/i386.h: Fix comment typo.
11430 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11431 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11433 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11435 * gcc.c: Revert previous -fsyntax-only-related change; move
11438 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11440 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11441 inmode after checking GET_CODE (op).
11443 2001-01-16 Richard Henderson <rth@redhat.com>
11445 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11446 (MAX_MEM_SET_LIST_LEN): New.
11447 (propagate_one_insn): Update mem_set_list_len.
11448 (invalidate_mems_from_autoinc): Likewise.
11449 (invalidate_mems_from_set): Likewise.
11450 (mark_used_regs): Likewise.
11451 (init_propagate_block_info): Likewise. Stop collecting memories
11452 when we reach MAX_MEM_SET_LIST_LEN.
11453 (mark_set_1): Likewise.
11455 2001-01-16 Richard Henderson <rth@redhat.com>
11457 * unroll.c (precondition_loop_p): Fail if no iteration
11460 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11462 * gcc.c: When -fsyntax-only is given, do not complain about
11465 2001-01-15 Richard Henderson <rth@redhat.com>
11467 * config/i386/i386.c (asm_output_function_prefix): Remove.
11468 (ix86_asm_file_end): New.
11469 (load_pic_register): Generate pic_label_name into a
11470 staticly allocated buffer.
11471 * config/i386/i386-protos.h: Update.
11472 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11473 (ASM_FILE_END): New.
11474 * config/i386/i386afe.h: New file.
11475 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11476 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11477 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11478 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11479 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11480 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11481 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11483 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11485 * Makefile.in (install-man): Remove explicit dependency on
11488 * configure.in, configure: Revert previous patch requiring perl
11491 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11493 * toplev.c (flag_guess_branch_prob): New.
11494 (f_options): Add guess-branch-probability option.
11495 (rest_of_decl_compilation): Only estimate branch probability if
11497 (main): set flag_guess_branch_prob.
11499 * flags.h (flag_guess_branch_prob): New.
11501 2001-01-15 DJ Delorie <dj@redhat.com>
11503 * gcc.texi (Makefile): Add documentation for Makefile targets.
11505 2001-01-15 Philip Blundell <philb@gnu.org>
11507 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11509 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11510 (is_pic): Delete declaration.
11511 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11512 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11513 * config/arm/arm.md (builtin_setjmp_receiver): New.
11515 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11517 * arm.c (use_return_insn): Don't try to determine the function type
11518 until after reload has completed.
11519 (arm_output_epilogue): Don't adjust the sp value recovered from the
11521 (emit_multi_reg_push): Don't record dwarf information for the pc.
11522 * arm.md (eh_epilogue): The function type may have changed, so it
11523 needs to be recalculated.
11524 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11525 unwind tables on arm/netbsd.
11527 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11529 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11530 (negated_cbranchsi4): Likewise.
11532 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11534 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11535 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11536 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11537 pass -mapcs-* options to assembler.
11538 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11539 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11540 (ASM_SPEC): Call subtarget_extra_asm_spec.
11542 2001-01-15 Andreas Jaeger <aj@suse.de>
11544 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11546 (ix86_expand_builtin): Likewise.
11548 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11549 warning about comparison between signed and unsigned.
11551 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11553 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11555 2001-01-14 Ralf Baechle <ralf@gnu.org>
11557 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11558 SUBTARGET_CPP_SPEC apropriatly.
11560 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11562 * varasm.c (make_decl_rtl): Fix typo in last change.
11564 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11566 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11567 linker supports the init_priority C++ attribute.
11568 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11569 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11570 linker does not support init_priority C++ attribute.
11572 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11574 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11576 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11578 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11579 * cp/lex.c (finish_parse): Similarly.
11580 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11581 Return the number of errors encountered.
11582 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11583 * cppmain.c (main): Don't call cpp_destroy.
11585 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11587 * configure.in: Require at least perl 5.6.0 to regenerate
11589 * configure: Regenerate.
11591 2001-01-14 Richard Henderson <rth@redhat.com>
11593 * genrecog.c (DT_veclen_ge): New.
11594 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11595 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11596 (nodes_identical_1): Handle DT_veclen_ge.
11597 (write_cond, debug_decision_2): Likewise.
11599 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11601 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11603 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11605 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11607 * cppmain.c (do_preprocessing): New function; most of the old
11609 (main): Call it to do most of the work.
11610 (cb): Move from global scope to set_callbacks ().
11611 (setup_callbacks): Get the callback pointer.
11612 (general_init, printer_init): Clean up code and comments.
11614 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11616 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11619 2001-01-14 Kazu Hirata <kazu@hxi.com>
11621 * config/h8300/h8300.c (get_shift_alg): Update comments.
11623 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11625 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11626 (alloc_page, ggc_alloc): Add casts to remove warnings.
11628 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11630 * combine.c (simplify_comparison): Don't change `code' when
11631 can't reverse comparison.
11633 2001-01-14 Richard Henderson <rth@redhat.com>
11635 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11636 update all call sites. Return true for all non-label constants.
11638 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11640 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11642 (ix86_expand_branch): Update.
11643 (ix86_expand_setcc): Update to handle multiple test conditions.
11644 (expand_int_movcc): Likewise.
11645 (expand_fp_movcc): Likewise.
11646 * i386-protos.h (ix86_expand_compare): New.
11647 * i386.md (andqi_?_slp, orqi_?_slp): New.
11648 (conditional trap expander): Update call to ix86_expand_compare.
11650 2001-01-14 Richard Henderson <rth@redhat.com>
11652 * config/vax/vax.md: Use nonimmediate_operand instead of
11653 general_operand in destinations.
11655 * config/vax/vax.md (indirect_jump): Use register_operand.
11657 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11658 * config/vax/vax.md (call_pop): Turn into an expander.
11659 (call_value_pop): Likewise.
11660 (call, call_value): New.
11662 2001-01-14 Andreas Jaeger <aj@suse.de>
11664 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11666 (ix86_fp_compare_mode): Add unused attribute.
11667 (ix86_expand_fp_movcc): Remove unused variable.
11668 (ix86_expand_builtin): Make fcode unsigned.
11670 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11671 (expand_expr): Add cast to avoid signed warning.
11672 (store_field): Likewise.
11673 (store_constructor_field): Likewise.
11674 (store_constructor): Likewise.
11675 (store_expr): Likewise.
11676 (clear_storage): Likewise.
11677 (emit_group_store): Likewise.
11678 (emit_group_load): Likewise.
11680 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11682 * c-common.c: Move format checking code to ...
11683 * c-format.c: ... here. New file. Reorder some functions and
11685 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11687 * c-common.h (decl_handle_format_attribute,
11688 decl_handle_format_arg_attribute): Declare.
11689 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11690 (c-common.o): Adjust dependencies.
11691 (c-format.o): New list of dependencies.
11693 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11695 * unroll.c (loop_iterations): If we cannot prove iteration variable
11696 is set once in each iteration, punt.
11698 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11700 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11701 (*strlenhi): Remove clobber (which was buggy) of output address.
11703 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11705 * Makefile.in (generated-manpages): Add gcc.1
11706 ($(srcdir)/gcc.1): New target.
11707 (maintainer-clean): Delete $(srcdir)/gcc.1.
11708 * gcc.texi: Add macros @gccoptlist and @gol.
11709 * invoke.texi: Include option summary in manpage. Mark up option
11710 summary with @gccoptlist and @gol. Use @r in one place where
11712 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11713 * gcc.1: Generate from invoke.texi.
11715 2001-01-13 Richard Henderson <rth@redhat.com>
11717 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11718 (struct page_entry): Add group member.
11719 (struct page_group): New.
11720 (struct globals): Add page_groups member.
11721 (alloc_anon): Only define for using mmap; remove valloc call.
11722 (page_group_index): New.
11723 (set_page_group_in_use): New.
11724 (clear_page_group_in_use): New.
11725 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11726 (free_page, release_pages): Likewise.
11727 * configure.in (with-gc): Default to ggc-page always.
11729 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11731 * reload1.c (replace_pseudos_in_call_usage): Use
11732 reg_equiv_constant and reg_equiv_address, and don't try
11733 regno_reg_rtx first.
11735 2001-01-13 Richard Henderson <rth@redhat.com>
11737 * ggc-page.c (alloc_page): Round up allocation size to one page.
11738 Set e->order on extra pages.
11740 2001-01-13 Richard Henderson <rth@redhat.com>
11742 * genrecog.c (nodes_identical): Expand commentary.
11743 (write_switch): Watch out for identical nodes.
11745 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11747 * cppfiles.c (_cpp_fake_include): New function.
11748 * cpphash.h (_cpp_fake_include): New.
11749 * cpplib.c (do_line): Call _cpp_fake_include when entering
11750 header files in preprocessed input.
11751 * cppmain.c (cb_pragma_implementation): Remove handling.
11752 (setup_callbacks): Don't register pragmas.
11754 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11756 * extend.texi: Udate for CPP.
11758 2001-01-13 Andreas Jaeger <aj@suse.de>
11760 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11762 * regmove.c: Add prototype for replace_in_call_usage.
11764 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11766 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11767 struct cpp_chunk, struct htab, struct toklist,
11768 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11769 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11770 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11771 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11772 (struct macro_args): Delete.
11773 * cpphash.h: See above.
11775 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11777 * cppmain.c (struct printer): Remove no_line_dirs.
11778 (options, cb): New.
11779 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11780 : Use options rather than CPP_OPTION.
11781 (setup_callbacks): Use cb rather than pfile->cb.
11782 (main): No need to check for a buffer. Use cpp_errors.
11783 (printer_init): Don't set no_line_dirs.
11784 (maybe_print_line): Use options not no_line_dirs.
11785 (cb_file_change): Don't call print_line if -P.
11787 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11789 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11791 * c-parse.in (finish_parse): Use cpp_errors.
11792 (__yylex): Use return value of cpp_pop_buffer.
11793 * cp/lex.c (finish_parse): Use cpp_errors.
11794 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11796 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11798 * README.AVR: URLs corrected.
11800 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11802 * c-decl.c (start_function): Don't warn if old prototype is builtin
11803 that's not in C's namespace.
11804 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11805 (_bb): Add prototype for ctime.
11806 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11808 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11810 * i386.c (ix86_fp_comparison_arithmetics_cost,
11811 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11812 ix86_fp_comparison_cost): New functions.
11813 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11814 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11815 two-branch sequences; make static.
11816 (ix86_use_fcomi_compare): Do decision according to the costs.
11817 (split_fp_branch): New.
11818 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11819 * i386-protos.h (ix86_expand_fp_compare): Remove
11820 (ix86_split_fp_branch): Declare.
11822 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11823 and ix86_comparison_operator.
11825 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11826 to make it cheaper.
11828 * i386.c (put_condition_code): Output properly the unordered/ordered
11829 compares in fp case.
11830 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11832 * tm.texi (REVERSE_CONDITION): Document.
11833 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11834 in -ffast-math mode.
11835 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11837 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11839 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11841 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11844 * config/sh/sh.c (mova_p): Fix test for mova_const.
11846 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11848 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11849 cpp_get_options rather than dereferencing pfile and using
11851 * scan-decls.c (scan_decls): Use return value of
11852 cpp_pop_buffer rather than CPP_BUFFER.
11854 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11856 * cppinit.c (cpp_handle_option): help_only is now part of the
11857 cpp_options structure.
11858 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11859 cpp_set_callbacks): New functions.
11860 * cpplib.h (cpp_callbacks): Break out as a named structure.
11861 (cpp_options): Move help_only here from cpp_reader.
11862 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11863 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11864 cpp_set_callbacks): New prototypes.
11865 * cppmain.c (main): Update for help_only.
11867 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11869 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11870 Also build and remove and install and uninstall c-tree.info and
11872 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11873 ($(srcdir)/cppinternals.info): New target.
11874 * c-tree.texi: Change file name used when makeinfo used without -o
11875 from ir.info to c-tree.info. Add info directory entry.
11876 * cppinternals.texi: Add info directory entry.
11877 * .cvsignore: Update.
11879 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11881 * c-typeck.c (store_init_value): Don't require constant initializer
11882 elements with -pedantic -std=c99.
11883 (digest_init): Change error about non-constant initializer elements
11885 (constructor_range_end): Remove.
11886 (constructor_incremental, designator_depth,
11887 designator_errorneous): New variables.
11888 (struct constructor_stack): Remove range_end, add incremental.
11889 (struct constructor_range_stack, constructor_range_stack): New.
11890 (struct initializer_stack): Add constructor_range_stack.
11891 (finish_init): Set it.
11892 (start_init): Likewise. require_constant_elements for non-static
11893 trees only if not flag_isoc99.
11894 (really_start_incremental_init): Remove constructor_range_end, add
11895 constructor_incremental.
11896 (pop_init_level): Likewise.
11897 (push_init_level): Likewise. If implicit and the subobject had some
11898 value set already, preinitialize the level with it.
11899 Warn about missing braces only if not pushing due to designators.
11900 (set_designator, push_range_stack): New functions.
11901 (set_init_label): Use them.
11902 (set_init_index): Likewise. Remove constructor_range_end.
11903 Error if designator index is outside of array bounds.
11904 (add_pending_init): Compare values of purpose index trees, not the
11905 trees themselves. Allow overwriting of already initialized element.
11906 Issue a warning if it had side-effects.
11907 (set_nonincremental_init, set_nonincremental_init_from_string): New
11909 (pending_init_member): Rename to...
11910 (find_init_member): ...this function. Call set_nonincremental_init
11911 if necessary. Compare values of purpose index trees, not the trees
11912 themselves. Return the actual value, not just non-zero if something
11914 (output_init_element): Remove checks for duplicates.
11915 If field has zero size, only check the initializer for correctness.
11916 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11917 if constructor_incremental is zero. Change error about initializers
11918 not computable at load time into pedwarn.
11919 (output_pending_init_elements): Compare bit positions, not
11920 FIELD_DECLs to take into account zero-sized fields.
11921 (process_init_element): Use constructor_range_stack to fill all
11922 ranges in the designator lists from current level up.
11923 * extend.texi: Update documentation for labeled elements.
11925 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11927 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11928 to function usage for arguments passed by reference. Optimize
11929 callee-copied arguments.
11930 * regmove.c (replace_in_call_usage): New function.
11931 (fixup_match_1): Call it.
11932 * cse.c (cse_insn): Canonicalize registers in function usage.
11933 * reload1.c (replace_pseudos_in_call_usage): New function.
11936 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11939 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11941 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11944 2001-01-12 DJ Delorie <dj@redhat.com>
11946 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11947 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11950 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11952 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11953 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11954 -std options alongside references to -ansi. Update some
11955 documentation for C99.
11956 * cpp.1: Regenerate.
11958 2001-01-12 Andreas Jaeger <aj@suse.de>
11960 * haifa-sched.c (restore_line_notes): Remove argument block B
11962 * sched-ebb.c (schedule_ebb): Change caller.
11963 * sched-rgn.c (schedule_region): Likewise.
11964 * sched-int.h (restore_line_notes): Adjust prototype.
11966 * loop.h: Remove wrong declaration of doloop_condition_get.
11968 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11970 * extend.texi: Move C++-extension-related node from the C section
11971 into the C++ section.
11973 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11975 * extend.texi: Refer to an array of pointers to functions instead
11976 of one of functions.
11978 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11979 Jan Hubicka <jh@suse.cz>
11981 * combine.c (reversed_comparison): Fix typo in last patch.
11983 (combine_reversed_comparison_code): Make static to follow
11984 prototype declaration.
11986 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11988 * install.texi: Remove misplaced duplicate entry.
11990 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11992 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11994 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11996 * final.c: (leaf_function_p): Fix typo.
11998 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12000 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12001 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12003 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12004 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12005 mmap_anon, and valloc is available.
12006 * ggc-page.c: Restructure ifdef logic to match new autoconf
12007 spec. Don't throw away the test page in init_ggc.
12009 * configure, config.in: Regenerate.
12011 2001-01-12 Michael Hayes <mhayes@redhat.com>
12013 * loop.h (total_biv_increment): Constify iv_class pointer.
12014 (struct induction): Replace `mem_mode' with `mem' rtx.
12015 * unroll.c (total_biv_increment): Constify iv_class pointer.
12016 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12017 (find_mem_givs, combine_givs_p): Likewise.
12018 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12020 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12022 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12024 (__gthread_getspecific): Ditto.
12026 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12028 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12029 put_condition_code): Convert fp comparison codes to integer
12031 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12034 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12035 * i386-protos.h (no_comparison_operator): Kill.
12037 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12039 * combine.c (REVERSIBLE_CC_MODE): Remove.
12040 (reversible_comparison_p): Remove.
12041 (combine_reversed_comparison_code): New.
12042 (reversed_comparison): New.
12043 (combine_simplify_rtx): Use
12044 combine_reversed_comparison_code/reversed_comparison instead
12045 of reversible_comparison_p.
12046 (simplify_if_then_else): Likewise.
12047 (simplify_set): Likewise.
12048 (simplify_logical): Likewise.
12049 (if_then_else_cond): Likewise.
12050 (known_cond): Likewise.
12051 (simplify_comparison): Likewise.
12053 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12055 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12056 sizeof (int) is larger than sizeof(__word__).
12058 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12060 * cppinit.c (do_includes): Fix typo.
12062 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12064 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12065 in S_REGS does not occur because not all sources are possible
12066 when a S_REGS is a destination (sometimes needs a clobber).
12067 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12068 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12069 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12070 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12071 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12072 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12073 (lshrdi_const1, lshrsi3_const16): Likewise.
12074 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12075 (*movhi_68hc12, *movqi_68hc12): Likewise.
12076 (movstrictqi): Make sure reloading in D_REGS as a destination
12079 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12081 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12083 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12085 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12086 -D, -U and -A, and don't initialize the builtins.
12087 (do_includes): Error if -include or -imacros with -fpreprocessed.
12088 * cppmain.c (cb_define, cb_undef): Unconditionally process
12090 * tradcpp.c (main): Fix typo.
12092 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12094 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12095 (read_name_map): Use IS_ABSOLUTE_PATH.
12096 * tradcpp.c (get_filename): Likewise.
12098 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12100 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12101 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12102 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12103 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12104 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12105 (cmphi_z_used): Don't use '@' for the output.
12106 (tstqi_z_used): Likewise.
12107 (cmpqi_z_used): Likewise.
12108 (one_cmplsi2): Likewise.
12110 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12112 * config/sh/sh.c (barrier_align): Recognize branch around far
12113 branch and redundant insn.
12115 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12117 * invoke.texi: Restore documentation of the drivers' switches -MD
12120 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12122 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12124 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12125 check-objc//%): Support parallel testing of multilibs.
12126 (TESTSUITEDIR): Set to testsuite by default, but override for
12128 (check-gcc, check-g++, check-g77, check-objc): Enter
12131 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12133 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12134 * sched-deps.c (deps_may_trap_p): Likewise.
12135 * basic-block.h: Remove a comment.
12136 * flow.c (PROP_POSTRELOAD): Remove.
12137 (update_life_info): Don't add it to prop_flags.
12138 (mark_set_1): Lose the code that was enabled by it.
12140 2001-01-11 Michael Hayes <mhayes@redhat.com>
12142 * flow.c (flow_call_edges_add): New.
12143 * basic_block.h (flow_call_edges_add): New.
12145 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12147 * reload1.c (move2add_note_store): Update reg_set_luid even if
12148 base reg remains the same.
12150 2001-01-10 Nick Clifton <nickc@redhat.com>
12152 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12153 machine_function structure to zero.
12154 Add prototypes for machine_status functions.
12156 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12158 * c-common.h (CTI_VOID_LIST): Remove.
12159 (void_list_node): Likewise.
12160 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12161 (void_list_node): New macro.
12162 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12163 * config/i386/i386.c (ix86_init_builtins): Likewise.
12164 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12166 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12168 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12169 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12171 * tradcpp.c: Include mkdeps.h.
12172 (deps, print_deps_phony_targets, deps_append, output_deps,
12173 init_dependency_output, output_deps): New.
12174 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12175 deps_output): Delete.
12176 (print_deps_missing_files): Rename deps_missing_files.
12177 (inhibit_output): Make global.
12178 (main): Delete inhibit_output, deps_stream, deps_target.
12179 Use mkdeps functionality in the same way as cpplib. Remove
12180 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12181 -M and -MM. Remove old handling of deps via deps_out, and
12182 old reading of environment variables.
12183 (get_filename): Update to use deps_add_dep.
12185 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12187 * output.h (make_function_rtl): Remove prototype.
12188 (make_decl_rtl): Likewise.
12189 * varasm.c (make_function_rtl): Remove.
12190 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12191 than from a third parameter.
12192 * tree.h (make_decl_rtl): Remove last parameter.
12193 * c-decl.c (builtin_function): Remove last argument in call to
12194 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12195 (start_function): Likewise.
12196 * except.c (call_get_eh_context): Likewise.
12197 * expr.c (emit_block_move): Likewise.
12198 (clear_storage): Likewise.
12199 * profile.c (output_func_start_profiler): Likewise.
12200 * toplev.c (rest_of_decl_compilation): Likewise.
12201 * objc/objc-act.c (create_builtin_decl): Likewise.
12202 (synth_module_prologue): Likewise.
12203 (generate_static_reference): Likewise.
12204 (build_selector_reference_decl): Likewise.
12205 (build_class_reference_decl): Likewise.
12206 (build_objc_string_decl): Likewise.
12207 (build_protocol_reference): Likewise.
12209 2001-01-10 Richard Henderson <rth@redhat.com>
12211 * hwint.h: Revert yesterday's change.
12213 2001-01-10 Nick Clifton <nickc@redhat.com>
12215 * function.h (save_machine_status): Delete.
12216 (restore_machine_status): Delete.
12217 Amend comment describing {init|mark|free}_machine_status.
12219 * function.c (save_machine_status): Delete.
12220 (restore_machine_status): Delete.
12221 Amend comment describing {init|mark|free}_machine_status.
12222 (push_function_context_to): Remove invocation of
12223 save_machine_status.
12224 (pop_function_context_from): Remove invocation of
12225 restore_machine_status.
12227 * emit-rtl.c (init_emit_once): Amend comment describing
12228 {init|mark|free}_machine_status.
12230 * tm.texi (Per-Function Data): New node. Describe the
12231 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12234 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12236 * cppinit.c (OPT_g): Remove.
12237 (cpp_handle_option): Update for removed -g3.
12238 (print_help): Update.
12239 * cpplib.h (struct cpp_options): Remove debug_output.
12240 * cppmain.c (setup_callbacks, cb_define): Update.
12241 * gcc.c (cpp_options): Translate -g3 to -dD.
12243 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12245 * config/i960/i960.md: Change modifier to + on the zero_extract
12246 pattern after the (rotate -2 reg) canonicalization pattern.
12248 2001-01-10 Richard Henderson <rth@redhat.com>
12250 * config/alpha/alpha.c (alpha_free_machine_status): New.
12251 (override_options): Install it.
12252 (alpha_mark_machine_status): Verify machine non-null.
12253 * config/i386/i386.c (ix86_free_machine_status): New.
12254 (override_options): Install it.
12255 (ix86_init_machine_status): Use xcalloc.
12256 (ix86_mark_machine_status): Verify machine non-null.
12257 * config/ia64/ia64.c (ia64_free_machine_status): New.
12258 (ia64_override_options): Install it.
12259 (ia64_mark_machine_status): Verify machine non-null.
12261 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12263 * function.c (instantiate_virtual_regs): Instantiate virtual
12264 registers found in CALL_INSN_FUNCTION_USAGE.
12266 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12268 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12269 equivalent to -ansi in disabling -Di386.
12271 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12273 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12275 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12277 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12279 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12281 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12283 * invoke.texi: Document that -fcond-mismatch isn't supported for
12286 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12288 * gcc.texi: Define macro gcctabopt.
12289 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12290 @command, @env and @option in some places where appropriate. Use
12291 @gcctabopt where appropriate. Put URLs and email addresses inside
12294 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12296 * gcc.c (cpp_options): Set MD file name from output
12297 filename, if specified.
12298 (suffix_subst): New static variable.
12299 (do_spec): Clear it.
12300 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12302 (give_switch): Handle suffix_subst.
12304 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12306 * invoke.texi: Fix another typo.
12308 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12310 * invoke.texi: Fix typo.
12312 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12314 * c-lang.c (lang_hooks): Update.
12315 (lang_decode_option): Remove.
12316 (lang_init_options): Rename c_init_options.
12317 * toplev.c (main): Use lang_hooks for lang_init_options
12318 and lang_decode_option.
12319 * toplev.h (lang_hooks): Add 2 new hooks.
12320 * tree.h: Remove lang_init_options and lang_decode_option.
12321 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12322 * cp/decl2.c: Similarly.
12323 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12324 (lang_hooks): Update.
12325 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12327 (lang_init_options): Rename ffe_init_options.
12328 (lang_hooks): Update.
12329 (lang_decode_option): Remove.
12330 * java/lang.c (lang_init_options): Rename java_init_options.
12331 (lang_decode_option): Rename java_decode_option.
12332 (lang_hooks): Update.
12333 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12334 (lang_decode_option): Rename objc_decode_option.
12335 (lang_hooks): Update.
12337 2001-01-09 Nick Clifton <nickc@redhat.com>
12339 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12340 (d30v_return_addr_rtx): Delete.
12341 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12342 cfun->machine structure.
12343 (struct machine_function): Move to d30v.h
12344 (d30v_save_machine_status): Delete.
12345 (d30v_restore_machine_status): Delete.
12346 (d30v_init_machine_status): New Function.
12347 (d30v_mark_machine_status): New Function.
12348 (d30v_free_machine_status): New Function.
12349 (d30v_init_expanders): Use new functions.
12350 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12351 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12352 d30v_return_addr_rtx.
12354 * config/d30v/d30v.h (struct_machine): Move here.
12355 Add eh_epilogue_sp_ofs field.
12357 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12358 field in cfun->machine structure.
12360 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12362 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12363 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12364 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12366 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12368 * objc/lang-options.h: Remove bogus reference to
12371 2001-01-09 Kazu Hirata <kazu@hxi.com>
12373 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12376 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12378 * reload.c (find_reloads_address): Check for eliminable registers
12379 when substituting a constant expression for a pseudo.
12381 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12383 * c-common.c (enum format_type): Add format_type_error.
12384 (decode_format_type): New function.
12385 (decl_attributes): Use it.
12386 (format_kind_info): Adjust comment.
12388 2001-01-09 David O'Brien <obrien@BSDi.com>
12390 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12391 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12393 * config/i386/gnu.h: Don't include required platform specific .h files,
12394 tm.h will do it instead.
12395 * config/i386/i386elf.h: Likewise.
12396 * config/i386/linux.h: Likewise.
12397 * config/i386/moss.h: Likewise.
12398 * config/mips/gnu.h: Likewise.
12400 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12402 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12403 (rs6000-ibm-aix3.[01]*): Likewise.
12404 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12405 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12406 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12407 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12408 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12409 (powerpc-*-eabiaix*): Likewise.
12410 (powerpc-*-eabisim*): Likewise.
12411 (powerpc-*-elf*): Likewise.
12412 (powerpc-*-eabi*): Likewise.
12413 (powerpc-*-rtems*): Likewise.
12414 (powerpc-*-linux*libc1): Likewise.
12415 (powerpc-*-linux*): Likewise.
12416 (powerpc-wrs-vxworks*): Likewise.
12417 (powerpcle-wrs-vxworks*): Likewise.
12418 (powerpcle-*-sysv*): Likewise.
12419 (powerpcle-*-elf*): Likewise.
12420 (powerpcle-*-eabisim*): Likewise.
12421 (powerpcle-*-eabi*): Likewise.
12422 (powerpcle-*-solaris2*): Likewise.
12423 * config/rs6000/aix31.h: Delete includes.
12424 * config/rs6000/aix3newas.h: Likewise.
12425 * config/rs6000/aix41.h: Likewise.
12426 * config/rs6000/aix43.h: Likewise.
12427 * config/rs6000/beos.h: Likewise.
12428 * config/rs6000/rtems.h: Likewise.
12429 * config/rs6000/sysv4.h: Likewise.
12431 2001-01-09 Kazu Hirata <kazu@hxi.com>
12433 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12434 Change an argument mode of machine_mode to shift_mode of
12435 shift_mode. Remove an extra error check.
12436 (emit_a_shift): Adopt to the new calling prototype of
12438 (function_prologue): Fix code for a monitor
12439 function. Support H8/S.
12440 (function_epilogue): Do not output pop for a monitor function.
12442 2001-01-09 Nick Clifton <nickc@redhat.com>
12444 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12445 (setup_incoming_varargs): Use sysv_varargs_p field of the
12446 cfun->machine structure.
12447 (struct machine_function): Move to rs6000.h
12448 (rs6000_save_machine_status): Delete.
12449 (rs6000_restore_machine_status): Delete.
12450 (rs6000_init_machine_status): New Function.
12451 (rs6000_free_machine_status): New Function.
12452 (rs6000_init_expanders): Use new functions.
12454 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12456 (struct machine_function): Move here.
12458 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12459 sysv_varargs_p field of the cfun->machine structure.
12461 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12463 (rs6000_restore_machine_status): Remove prototype.
12465 2001-01-09 Richard Henderson <rth@redhat.com>
12467 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12468 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12469 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12470 (sched_analyze_2, sched_analyze_insn): Likewise.
12471 (sched_analyze, init_deps): Likewise.
12472 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12473 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12474 (compute_block_backward_dependences): Update propagate_deps call.
12476 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12478 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12480 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12482 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12483 (cpp_handle_option): Handle them.
12484 (cpp_post_options): Ensure one of -M or -MM is specified with
12485 any other -M? option.
12486 (init_dependency_output): Suppress output with -MG.
12488 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12490 * cpp.texi: Update.
12491 * invoke.texi: Update.
12493 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12495 * sh.md (reload_outsf): Generate recognizable patterns for
12498 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12500 * c-lang.c (lang_hooks): Update.
12501 (lang_init): Rename c_init.
12502 (lang_finish): Remove.
12503 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12504 and lang_finish ().
12505 * toplev.h (lang_hooks): Add init () and finish ().
12506 * tree.h (lang_init, lang_finish): Remove.
12507 * cp/tree.h (lang_init, lang_finish): Remove.
12508 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12509 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12511 (lang_init, lang_finish): Remove.
12512 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12513 (lang_hooks): Update.
12514 * java/lang.c (lang_init): Rename java_init.
12515 (lang_finish): Remove.
12516 (lang_hooks): Update.
12517 * objc/objc-act.c (lang_init): Rename objc_init.
12518 (lang_finish): Remove.
12519 (lang_hoooks): Update.
12521 20001-01-09 Graham Stott <grahams@redhat.com>
12523 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12524 after `ptr` is initialised.
12526 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12528 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12529 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12530 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12531 stack adjusts, instead of r3.
12533 2001-01-09 Michael Hayes <mhayes@redhat.com>
12535 * flow.c (flow_loop_scan): Break out of ...
12536 (flow_loops_find) ... here.
12537 * basic-block.h (flow_loop_scan): New.
12538 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12539 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12541 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12543 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12545 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12546 realloc()ing macro_buffer.
12548 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12549 if it's wider than long and the target's long is wider than the
12552 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12554 Remove support for using UWIN as a host machine.
12555 * configure.in: Issue an error message.
12556 * configure: Regenerated.
12557 * config.gcc: Remove xm_* UWIN configury.
12558 * config/i386/xm-uwin.h: Remove.
12560 2001-01-08 Nick Clifton <nickc@redhat.com>
12562 * config/v850/v850.c (ra_rtx): Delete.
12563 (v850_save_machine_status): Delete.
12564 (v850_restore_machine_status): Delete.
12565 (v850_init_machine_status): New function.
12566 (v850_mark_machine_status): New function.
12567 (v850_free_machine_status): New function.
12568 (v850_return_addr): Use ra_rtx field in machine structure.
12569 (v850_init_expanders): Use new functions.
12571 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12572 * config/v850/v850.c: Change arguments to v850_output+* functions
12573 to take a const char *, to avoid compile time warning.
12574 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12575 (USER_LABEL_PREFIX): Redefine.
12577 2000-01-08 Jim Wilson <wilson@redhat.com>
12579 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12580 1 to unsigned HOST_WIDE_INT before left shift.
12582 2001-01-08 Nick Clifton <nickc@redhat.com>
12584 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12585 the machine structure has been allocated.
12586 (arm_free_machine_status): New function: Free the machine
12587 specific function structure.
12589 2001-01-08 Richard Henderson <rth@redhat.com>
12591 * jump.c (simplejump_p): Revert last change.
12593 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12595 * cppinit.c (init): Rename init_library.
12596 (cpp_create_reader): Update.
12597 * gcc.c (cpp_options): If -o given, use it as the target of
12600 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12602 * arm.c (arm_arch5e): New variable.
12603 (all_cores): XScale is a 5TE device.
12604 (arm_override_options): Set arm_arch5e.
12605 (arm_init_builtins): __builtin_prefetch is in arch5e.
12606 * arm.h (arm_arch5e): Declare it.
12608 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12610 * arm.md (define_constants): Add defines for UNSPEC and
12611 UNSPEC_VOLATILE insns. Update all users.
12612 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12613 * arm.c (multi_register_push, note_invalid_constants)
12614 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12615 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12616 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12618 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12620 * jump.c (jump_optimize_1): Use reversed_comparison_code
12621 instead of can_reverse_comparison_p.
12622 (jump_back_p): Likewise.
12623 (invert_exp_1): Likewise.
12624 (thread_jumps): Likewise.
12625 * simplify-rtx.c (simplify_unary_operation): Likewise.
12626 (simplify_ternary_operation): Likewise.
12627 * cse.c (find_comparison_args): Convert to use
12628 can_reverse_comparison_p.
12629 (record_jump_equiv): Likewise.
12631 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12633 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12634 (EPILOGUE_USES): Define.
12635 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12636 automatically stack the LR if it isn't live.
12638 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12640 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12643 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12645 * ggc-page.c (max_alignment): New structure.
12646 (MAX_ALIGNMENT): New macro.
12647 (init_ggc): Use it to round up the sizes in the
12648 extra_order_size_table.
12650 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12652 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12655 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12657 * builtins.def (BUILT_IN_FPRINTF): New entry.
12659 * c-common.c (c_expand_builtin_fprintf): New function.
12660 (init_function_format_info): Handle __builtin_fprintf.
12661 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12662 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12664 * c-decl.c (duplicate_decls): Adjust comment.
12666 * extend.texi (fprintf): Document new builtin.
12668 2001-01-07 Richard Henderson <rth@redhat.com>
12670 * jump.c (simplejump_p): Recognize any single_set jump
12671 of the proper form.
12673 2001-01-07 Richard Henderson <rth@redhat.com>
12675 * configure.in (slibdir): Accept an --with-slibdir option.
12676 Use "test" not "[" in configure. Default to $(libdir).
12678 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12680 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12681 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12682 (SHLIB_LINK): Create links for the soname.
12683 * config/mips/t-iris6: Likewise.
12684 * config/sparc/t-slibgcc: Likewise.
12685 * config/sparc/t-slibgcc-sld: Likewise.
12687 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12689 * config/i386/i386.c (constant_call_address_operand): Accept
12690 (const (plus (symbol_ref) (const_int))).
12691 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12692 constant_call_address_operand.
12694 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12696 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12697 and LONG_LONG_TYPE_SIZE > 32.
12699 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12701 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12702 the previous change.
12704 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12706 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12708 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12709 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12710 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12713 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12715 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12717 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12719 * c-lang.c (c_post_options): Call cpp_post_options.
12720 * objc/objc-act.c (objc_post_options): Similarly.
12721 * cppmain.c (main): Similarly.
12722 * fix-header.c (read_scan_file): Similarly.
12723 * cppinit.c (cpp_start_read): Move option consistency checks
12724 to cpp_post_options. Don't call init_dependency_output.
12725 If needed, add default target and main file dependency.
12726 (OPT_MD, OPT_MMD): Remove.
12728 (cpp_handle_option): Update for OPT_* changes.
12729 (cpp_post_options): New.
12730 (init_dependency_output): Command line -MF overrides environment
12731 variables. Don't set default target etc. Suppress output
12732 if dependencies are going to stdout.
12733 (print_help): Update.
12734 * cpplib.h (cpp_post_options): New.
12735 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12737 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12739 * jump.c (comparison_dominates_p): Support unordered compares.
12741 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12743 * simplify-rtx.c (simplify_relational_operation): Always simplify
12744 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12747 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12749 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12750 (nonzero_bits): Likewise.
12751 (simplify_comparison): Likewise.
12752 (num_sign_bit_copies): Likewise; return more sane value depending
12753 on STORE_FLAG_VALUE.
12754 (known_cond): Do not assume EQ to be always true for equivalent
12757 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12759 * cse.c (fold_rtx): Handle unordered comparisons.
12761 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12763 * rtlanal.c (set_of_1): New static function.
12764 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12765 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12766 reg_set_last_last_regno): Remove.
12767 (set_of): New global function.
12768 (set_of_data): New structure.
12769 (reg_set_p, reg_set_last): Revamp for set_of.
12770 * rtl.h (set_of): New.
12772 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12774 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12775 * extend.texi: Document _Exit builtin.
12777 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12779 * (initialize, initialize_builtins,
12780 initialize_dependency_output, initialize_standard_includes):
12781 Rename s/initialize/init. Update.
12782 (init_dependency_output): Move to after
12783 cpp_handle_options, the correct location temporally at least.
12784 (opt_comp): Move next to init (), its caller. Fix prototype.
12785 (init): Make "initialized" local scope.
12786 (cpp_create_reader): Always call init ().
12787 (cpp_start_read): Update.
12788 (output_deps): New function, broken out of cpp_finish.
12789 (cpp_finish): Break out output_deps.
12791 2001-01-07 Richard Henderson <rth@redhat.com>
12793 * collect2.c (COFF specific stuff): Revert 12-06 patch
12794 to prototype system functions.
12796 2001-01-07 Michael Hayes <mhayes@redhat.com>
12798 * hard-reg-set.h: Add multiple include guard.
12799 * basic-block.h (struct loop): Add `sink' field.
12800 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12801 (emit_iv_add_mult): Delete.
12802 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12803 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12804 (unroll_loop): Remove end_insert_before argument.
12805 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12806 (maybe_eliminate_biv_1): Likewise.
12807 (emit_iv_add_mult): Delete.
12808 (gen_add_mult, loop_regs_update): New.
12809 (loop_insn_emit_after, loop_insn_emit_before): New.
12810 (loop_insn_sink, loop_insn_sink_or_swim): New.
12811 (emit_iv_add_mult): Delete.
12812 (scan_loop): Set loop->sink.
12813 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12814 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12815 (maybe_eliminate_biv_1): Likewise.
12816 (maybe_eliminate_biv_1): Add basic block argument.
12817 * unroll.c (unroll_loop): Remove end_insert_before argument.
12818 (find_splittable_regs): Likewise.
12819 (find_splittable_regs): Use loop_insn_sink and its ilk.
12820 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12822 2001-01-07 Michael Hayes <mhayes@redhat.com>
12824 * loop.h (loop_insn_hoist): New prototype.
12825 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12826 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12827 (check_dbra_loop, load_mems): Likewise.
12828 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12829 (find_splittable_givs): Likewise.
12831 2001-01-07 Michael Hayes <mhayes@redhat.com>
12833 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12835 2001-01-07 Richard Henderson <rth@redhat.com>
12837 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12839 2001-01-07 Richard Henderson <rth@redhat.com>
12841 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12842 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12843 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12844 variant that handles a shared libgcc.
12845 (process_command): Always validate -{static,shared}-libgcc.
12846 (do_spec_1): New 'M' case.
12847 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12849 2001-01-07 Richard Henderson <rth@redhat.com>
12851 * Makefile.in (slibdir): New variable.
12852 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12853 (installdirs): Create slibdir.
12854 (install-libgcc, install-multilib): Defer to libgcc.mk.
12855 * configure.in (slibdir): Substitute.
12856 * mklibgcc.in (install): New target.
12858 * config/t-linux (SHLIB_LINK): Create links for the soname.
12859 (SHLIB_INSTALL): New.
12860 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12861 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12862 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12863 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12864 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12866 2001-01-07 Richard Henderson <rth@redhat.com>
12868 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12869 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12870 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12872 2001-01-07 Michael Hayes <mhayes@redhat.com>
12874 * loop.c (count_loop_regs_set): Delete.
12875 (load_mems_and_recount_loop_regs_set): Delete.
12876 (loop_regs_scan): Merge common code from count_loop_regs_set,
12877 scan_loop, and load_mems_and_recount_loop_regs_set.
12878 (scan_loop): Call load_mems directly and loop_regs_scan
12879 again if new registers created.
12881 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12883 * toplev.c (main): Call the front-end specific post_options
12884 hook if one is given.
12885 * toplev.h (struct_lang_hooks, lang_hooks): New.
12886 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12887 for the C front end.
12888 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12889 lang_hooks for the C++ front end.
12890 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12891 lang_hooks for the ObjC front end.
12892 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12893 * java/lang.c (lang_hooks): Hooks for the Java front end.
12895 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12897 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12898 for verbose DWARF[2] debugging.
12899 (cb_define, cb_undef): The new callbacks.
12900 * toplev.h (debug_define, debug_undef): Make const correct.
12901 * toplev.c (debug_define, debug_undef): Similarly. Do not
12902 perform the verbosity tests here anymore.
12904 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12906 * reload.c (subst_reloads): Take INSN argument. When
12907 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12908 * reload.h (subst_reloads): Adjust prototype.
12909 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12910 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12911 present in JUMP_INSNs and copy them to JUMP_LABEL.
12912 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12913 JUMP_INSNs and insns with REG_LABELs that are followed by
12914 JUMP_INSNs with the same REG_LABEL.
12915 * sched-rgn.c (is_cfg_nonregular): Likewise.
12916 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12918 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12920 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12922 2001-01-06 Richard Henderson <rth@redhat.com>
12924 * loop.c (scan_loop): Use xcalloc for the regs array.
12925 (load_mems_and_recount_loop_regs_set): Zero the new memory
12926 received from xrealloc.
12928 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12930 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12932 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12934 * integrate.c (copy_rtx_and_substitute): When copying
12935 an ignored return value, strip REG_FUNCTION_VALUE_P.
12937 2001-01-06 Michael Hayes <mhayes@redhat.com>
12939 * loop.c (debug_biv, debug_giv): New.
12940 (loop_biv_dump): Break out from ...
12941 (record_biv): ... here.
12942 (loop_giv_dump): Break out from ...
12943 (record_giv): ... here.
12944 (loop_bivs_check): Use print_simple_rtl.
12945 * unroll.c (loop_iterations): Use print_simple_rtl.
12947 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12949 * pa.md (return, return_internal): Modify patterns to prevent regrename
12950 mucking with the return pointer.
12952 2001-01-05 Richard Henderson <rth@redhat.com>
12954 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12956 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12958 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12959 version supplied by Matteo Frigo.
12961 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12963 * cpp.texi: Update for -MQ.
12964 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12965 (cpp_cleanup): Always free pfile->deps.
12966 (initialize_dependency_output): Don't create pfile->deps.
12967 (cpp_handle_option): Similarly.
12969 * gcc.c (cpp_options): Handle -MQ.
12970 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12971 * mkdeps.c (base_name): Remove.
12972 (deps_init): Don't allocate vector space until it's needed.
12973 (deps_free): Only free vectors if allocated.
12974 (deps_add_target, deps_add_dep): Update for initial allocation.
12975 (deps_add_default_target): Don't strip to the base_name.
12977 2001-01-05 DJ Delorie <dj@redhat.com>
12979 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12980 (INIT_EXPANDERS): Define.
12982 * config/v850/v850.c (struct machine_function): Define.
12983 (v850_save_machine_status): New function.
12984 (v850_restore_machine_status): New function.
12985 (v850_return_addr): New function.
12986 (v850_init_expanders): New function.
12988 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12989 and v850_init_expanders.
12991 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12993 * cpplib.h (struct cpp_reader): Add help_only field.
12994 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12995 (cpp_handle_option): Set pfile->help_only if we see -h,
12996 --help, -target-help, or --version. Print version string but
12997 do not set help_only if we see -v or -version. Make text
12998 printed by -v match that printed by (-)-version.
13000 * cppmain.c (main): Exit after option parsing if
13001 pfile->help_only is true.
13003 * toplev.c (independent_decode_option): Call print_version,
13004 then exit, if we see --version (but not -version).
13005 (print_version): Split lengthy message into two lines.
13007 2001-01-05 Nick Clifton <nickc@redhat.com>
13009 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13010 temporary string for initialisation before calling ggc_alloc_string.
13012 2001-01-06 Michael Hayes <mhayes@redhat.com>
13014 * rtl.h (print_simple_rtl): New.
13015 * print-rtl.c (print_simple_rtl): New.
13016 (flag_simple): New.
13017 (print_rtx): Disable printing of flags and modes, etc.,
13018 if `flag_simple` nonzero.
13020 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13022 * function.c (fixup_var_refs): Use push_to_full_sequence where
13025 2001-01-05 Michael Meissner <meissner@redhat.com>
13027 * flags.h (flag_reorder_blocks): Add declaration.
13028 (flag_rename_block): Ditto.
13030 2001-01-05 DJ Delorie <dj@redhat.com>
13032 * function.c (reorder_blocks): Make sure the flags are all reset
13033 before using them to mark blocks, else a second invocation will
13034 corrupt the block chain.
13035 (reorder_blocks_0): New, resets the flags.
13037 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13039 * cse.c (find_comparison_args): Stop if the argument is known to
13042 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13044 * config/sh/sh.md (movdf): When splitting load into pair of
13045 registers, don't clobber the register used in the address too
13048 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13050 * varasm.c (mark_constant_pool): Improve initial comments.
13051 (mark_constants): Move marking of constants to mark_constant.
13052 (mark_constant): New function to recursively mark all constants
13053 referred to by a constant.
13055 2001-01-05 Catherine Moore <clm@redhat.com>
13057 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13059 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13061 * cp/lang-options.h: Bring comment in line with reality.
13062 * f/lang-options.h: Likewise.
13063 * java/lang-options.h: Likewise.
13064 * objc/lang-options.h: Likewise.
13065 * ch/lang-options.h: Likewise.
13066 * f/g77.texi: And update the manual.
13068 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13069 Denis Chertykov <denisc@overta.ru>
13071 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13072 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13073 * config/avr/avr.md (all peepholes that request a scratch register):
13074 Call it, FAIL the peephole if not safe (in interrupt functions).
13076 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13078 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13080 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13082 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13084 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13085 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13086 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13087 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13088 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13090 * extend.texi: Document these builtins.
13092 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13094 * c-common.c (lang_get_alias_set): Say we know nothing of
13095 VECTOR_TYPE aliasing.
13097 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13099 2001-01-05 Bruce Korb <bkorb@gnu.org>
13101 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13102 their x* equivalent versions for atexit-less systems
13103 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13104 systems (or any other system any more).
13106 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13108 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13109 output operands. Use arm_hard_register_operand for operand 4.
13110 (stmsi_postinc): Similarly.
13111 (ldmsi): Use arm_hard_register_operand for opernand 2.
13112 (stmsi): Similarly.
13113 * arm.c (arm_hard_register_operand): New function.
13114 * arm-protos.h (arm_hard_register_operand): Prototype it.
13116 * arm.h (HARD_REGNO_RENAME_OK): Define.
13118 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13120 * simplify-rtx.c (cfc_args): add "unordered" field.
13121 (check_fold_consts): Set unordered field.
13122 (simplify_relational_operation): Simplify the unordered
13125 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13128 * emit-rtl.c (try_split): Fix code to mark labels.
13129 * jump.c (mark_jump_label): Make global.
13130 * rtl.h (mark_jump_label): Declare.
13132 * predict.c (estimate_probability): Handle unordred comparisons.
13134 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13136 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13137 * cppinit.c (initialize_dependency_output): Update.
13138 (cpp_finish): Output dummy targets for -MP.
13140 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13141 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13142 * gcc.c (cpp_options): Update to handle -MP.
13143 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13144 to quote only the default target.
13145 (deps_phony_targets): Insert a preceding newline. Rename from
13146 deps_dummy_targets for consistency.
13149 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13151 * calls.c (emit_library_call_value_1): Support
13152 INIT_CUMULATIVE_LIBCALL_ARGS.
13153 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13155 2001-01-04 Richard Henderson <rth@redhat.com>
13157 * c-decl.c (finish_struct): Detect flexible array members
13158 used in an inappropriate context.
13159 * c-typeck.c (really_start_incremental_init): Special case
13160 constructor_max_index for zero length arrays.
13161 (pop_init_level): Allow initialization of flexible array
13162 members. Deprecate initialization of zero length arrays.
13163 Don't issue missing initializer warning for flexible array
13164 members or zero length arrays.
13165 (process_init_element): Don't dereference null DECL_SIZE.
13166 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13167 Don't abort for empty constructors. Use size_binop
13168 (output_constructor): Add commentary regarding zero length
13169 array futures. Abort if we try to initialize an array of
13170 unspecified length with a non-empty constructor in the middle
13173 * extend.texi (Zero Length): Update and clarify documentation
13174 on static initialization.
13176 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13178 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13179 with more than 32767 words of local storage.
13181 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13183 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13184 for 'abs', 'labs', and 'fabs'.
13185 (c4x_expand_builtin): Likewise.
13186 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13188 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13190 * config/sh/sh.md (prget, prset): New insn types.
13191 (return delay slot): Dont' allow prset.
13192 (call, sfunc delay slot): Don't allow prget.
13193 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13194 for prset and prget.
13196 2001-01-05 Michael Hayes <mhayes@redhat.com>
13198 * loop.h (struct loop_reg): New.
13199 (struct loop_regs): Change to use array of `struct loop_reg'.
13200 * loop.c: Replace assortment of varrays with single regs array.
13201 (count_one_set): Delete may_not_move array argument
13202 and use regs array instead. All caller's changed.
13203 (count_loop_regs_set): Delete may_not_move and single_usage
13204 arguments and use regs array instead. All caller's changed.
13205 (find_single_use_in_loop): Replace usage array argument with pointer
13206 to regs structure. All caller's changed.
13207 (loop_optimize): Delete `moved_once' array.
13209 2001-01-05 Michael Hayes <mhayes@redhat.com>
13211 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13212 Use it instead of loop_info->has_call for scanning loop mems.
13213 (check_dbra_loop): Replace loop_info->has_call test with
13214 loop_info->has_nonconst_call.
13216 2000-01-04 Matthew Hiller <hiller@redhat.com>
13218 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13221 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13223 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13224 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13226 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13228 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13229 (flag_short_double, flag_short_wchar): Define.
13230 (c_common_nodes_and_builtins): Create many tree nodes shared
13231 between C and C++ here instead of in cp/decl.c and ...
13232 * c-decl.c (init_decl_processing): ... here.
13233 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13234 (flag_short_double, flag_short_wchar): Don't define.
13235 (record_builtin_type): New function.
13236 (build_void_list_node): New function.
13237 * c-common.h (flag_short_double, flag_short_wchar,
13238 record_builtin_type, build_void_list_node): Declare.
13240 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13242 * integrate.c (expand_inline_function): Don't put a virtual
13243 register into the reg map.
13245 * function.c (fixup_var_refs_1): If force_operand didn't put
13246 the address into the target, move it there.
13248 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13250 Special-case tree_decl/tree_list allocations.
13251 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13252 (OBJECT_SIZE): New macro.
13253 (NUM_EXTRA_ORDER): Likewise.
13254 (extra_order_size_table): New variable.
13255 (NUM_ORDERS): New macro.
13256 (objects_per_page_table): New variable.
13257 (object_size_table): New variable.
13258 (G.pages): Use NUM_ORDERS to bound the array.
13259 (G.page_tails): Likewise.
13260 (DIV_ROUND_UP): Remove.
13261 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13262 (alloc_page): Use OBJECT_SIZE.
13263 (size_lookup): Don't make it const.
13264 (ggc_alloc): Use OBJECT_SIZE.
13265 (ggc_set_mark): Likewise.
13266 (ggc_get_size): Likewise.
13267 (init_ggc): Set up the object_size_table, objects_per_page_table,
13268 and adjust size_lookup.
13269 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13270 (ggc_pop_context): Use NUM_ORDERS.
13271 (clear_marks): Likewise.
13272 (sweep_pages): Likewise.
13273 (poison_pages): Likewise.
13274 (ggc_print_statistics): Use OBJECT_SIZE.
13276 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13278 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13279 Only call array_size_for_constructor if last field and array type
13280 with no upper bound.
13282 2001-01-04 Philip Blundell <philb@gnu.org>
13284 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13285 from bit 31 downwards, if this requires no more insns.
13286 (count_insns_for_constant): New helper function for above.
13288 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13290 * gencodes.c (output_predicate_decls): Remove empty initializer.
13292 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13294 * tree.c (copy_node): Remove documentation about obstacks.
13295 (buidl1): Check that nobody tries to build 2-argument nodes this
13298 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13300 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13303 * gencodes.c (output_predicate_decls): Fill empty initializer
13306 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13308 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13309 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13311 (do_include): Handle missing headers like cpp0.
13312 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13313 paths with first include pathname. Don't strcat to uninitialized
13316 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13318 * regrename.c (regrename_optimize): Don't rename from frame pointer
13319 if frame_pointer_needed.
13320 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13321 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13322 (ia64_reorg): Use it instead of scheduling if ! optimize.
13323 (errata_emit_nops): Properly call asm_noperands.
13324 (ia64_sched_reorder): Finish cycle if we see an asm.
13325 (ia64_variable_issue): Clear scheduling state after asms.
13327 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13329 * cpp.texi: Update for -MT.
13330 * cppinit.c (initialize_dependency_output): Add a default
13331 target if none has been given already.
13332 (no_tgt, OPT_MT): New.
13333 (cpp_handle_option): Handle -MT. Update -M etc.
13334 * cpplib.h (struct cpp_options): Remove deps_target.
13335 * gcc.c (cpp_options): Handle -MT.
13336 * mkdeps.c (struct deps): Move from mkdeps.h.
13337 (deps_calc_target): Rename deps_add_default_target. Add a
13338 default target if none has been specified already.
13339 * mkdeps.h (struct deps): Move to mkdeps.c.
13340 (deps_calc_target): Rename deps_add_default_target.
13342 2000-01-03 Richard Henderson <rth@redhat.com>
13344 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13346 * c-typeck.c (push_init_level): Move checks for flexible array
13347 members and zero length arrays ...
13348 (pop_init_level): ... here. Silently discard empty initializations.
13350 * varasm.c (output_constructor): Update for sizeof change to
13351 zero-length arrays.
13353 * extend.texi (Zero Length): Clarify semantics.
13355 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13357 * configure.in (tm.h): Include isns-codes.h last.
13358 * configure: Rebuilt.
13360 2001-01-03 Richard Henderson <rth@redhat.com>
13362 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13363 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13365 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13367 * tradcpp.c (main): Make sure finclude() is called with a valid
13368 indepth value while handling -include.
13370 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13372 * gencodes.c (output_predicate_decls): New function.
13374 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13375 even if it is not the first time machmode.h is #included.
13376 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13377 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13378 * gcc.texi (Copyright): Added 2001.
13380 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13382 * c-common.c (c_common_lang_init): New function. Warn if format
13383 warning options which only have effects when used with -Wformat
13384 are used without -Wformat.
13385 * c-common.h (c_common_lang_init): Declare.
13386 * c-lang.c (lang_init): Call c_common_lang_init.
13387 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13389 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13391 * configure.in: Check for the mktemp command.
13392 * configure: Regenerate.
13393 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13394 $TEMP. Create temporary files with mktemp, if available at
13395 configure time; otherwise use set -C. Remove temporary files
13398 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13400 * configure.in: Require at least texinfo 4.0. Check for whether
13401 Pod::Man is sufficiently recent to regenerate GCC manpages.
13402 * configure: Regenerate.
13403 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13405 (GENERATED_MANPAGES): Define.
13406 (generated-manpages): New target. Depend on cpp.1 as well as
13408 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13409 configure to generated-manpages or empty) rather than on the
13410 manpages directly. Remove execute permission from installed
13411 gcov.1 as well as cpp.1.
13412 * cpp.1, gcov.1: Regenerate.
13414 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13416 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13417 tree_low_cst. Allow using cmpstrsi in more cases.
13419 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13421 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13424 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13426 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13427 * Makefile.in (HOST_CFLAGS): Mention build-make.
13429 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13431 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13434 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13436 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13439 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13442 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13443 reg_base_value and reg_known_value arrays.
13444 (init_alias_analysis): Add more cases to detect known values.
13445 * sched-deps.c (deps_may_trap_p): New function.
13446 (sched_analyze_2): Use it.
13448 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13450 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13451 don't discard an ASHIFTRT if we're shifting in a wider mode.
13453 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13455 * toplev.c (rest_of_compilation): Don't print basic block information
13456 when CFG isn't up to date.
13458 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13460 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13461 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13462 (UNALIGNED_SHORT_ASM_OP): Define.
13463 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13465 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13467 * fold-const.c (fold_convert): Fix typo.
13469 2001-01-02 Richard Henderson <rth@redhat.com>
13471 * c-common.h (ASM_INPUT_P): New.
13472 * c-parse.in (asm): Set it when needed.
13473 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13474 existance of an operand.
13476 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13478 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13479 (dwarf2out_frame_debug_expr): Likewise.
13480 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13482 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13484 * i386.c (ix86_split_to_parts): Return number of part required;
13486 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13488 (ix86_split_long_move): Use number of part returned
13489 by ix86_split_to_parts
13490 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13492 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13493 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13494 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13495 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13496 (ALIGN_MODE_128): Add TFmode.
13497 (IS_STACK_MODE): Likewise.
13498 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13499 (HARD_REGNO_OK): Support TFmodes.
13500 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13501 * i386.md (scheduler definitions): Use memory operand to determine
13502 fst/fld instructions; use mode attribute to determine real mode of
13504 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13505 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13507 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13509 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13511 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13513 * expr.c (store_constructor_field): Update ALIGN before calling
13516 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13518 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13521 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13523 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13526 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13528 * c-decl.c (start_function): Don't warn on third parameter to main.
13530 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13532 * tsystem.h: Define HAVE_DECL_GETOPT.
13534 2001-01-02 Philip Blundell <pb@futuretv.com>
13536 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13539 2001-01-02 Richard Henderson <rth@redhat.com>
13541 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13543 2001-01-02 Andreas Jaeger <aj@suse.de>
13545 * c-decl.c (c_decode_option): Remove support of
13546 -Wmissing-noreturn.
13548 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13549 (W_options): Add -Wmissing-noreturn here.
13551 * flow.c: Define lang_missing_noreturn_ok_p.
13552 (check_function_return_warnings): Use it.
13554 * c-common.h: Declare lang_missing_noreturn_ok_p.
13556 * c-lang.c (c_missing_noreturn_ok_p): New function.
13557 (lang_init): Set lang_missing_noreturn_ok_p.
13559 * invoke.texi (Warning Options): Document this.
13561 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13563 * extend.texi (C++ Extensions): New node for C++ attributes;
13564 describe init_priority and com_interface.
13565 * invoke.texi: Remove -finit-priority as it now has zero effect.
13566 * install.texi: Fix xref syntax.
13567 * md.texi: Likewise.
13569 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13571 * config.gcc (sparc64-wrs-vxworks*): New case.
13572 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13574 * config/sparc/sparc.c (sparc_override_options): Do support different
13575 pointer and architecture size.
13576 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13577 (POINTERS_EXTEND_UNSIGNED): Define.
13578 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13579 (FUNCTION_MODE): Define to be Pmode.
13580 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13582 * function.c (expand_function_end): Properly handle DECL_RESULT
13583 and copy when ptr_mode != Pmode.
13584 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13586 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13588 * c-common.c (c_common_nodes_and_builtins): Set prototype
13589 parameters for __builtin_fputs, __builtin_fputc and
13590 __builtin_fwrite. Don't declare plain fputc as a builtin.
13592 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13594 * loop.c (add_label_notes): Increment the label usage count when
13595 a note is added to an insn which refers to a CODE_LABEL.
13596 * gcse.c (add_label_notes): Likewise.
13598 2001-01-01 Andreas Jaeger <aj@suse.de>
13600 * loop.c (scan_loop): Use xmalloc to allocate movables.
13602 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13604 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13605 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13606 * reload1.c (REGISTER_MOVE_COST): Likewise.
13607 * regclass.c (REGISTER_MOVE_COST): Likewise.
13608 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13609 dimension. Adjust all users.
13610 (init_reg_sets_1): Iterate on all modes.
13611 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13612 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13613 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13614 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13615 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13616 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13617 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13618 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13619 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13620 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13621 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13622 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13623 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13624 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13625 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13626 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13627 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13628 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13629 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13630 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13631 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13632 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13633 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13634 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13635 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13636 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13637 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13639 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13641 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13642 arg VARIES_P. Call it with extra arg.
13643 (true_dependence): Likewise.
13644 * rtl.h (rtx_addr_can_trap_p): Declare.
13645 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13647 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13648 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13649 pic offset table register if it's zero. All callers changed.
13650 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13652 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13654 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13655 STRING_POOL_ADDRESS_P.
13657 * config/sparc/sparc.c (input_operand): Properly test for short op.
13659 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13660 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13661 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13662 * config/sparc/elf.h: No longer include sol2.h.
13663 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13664 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13666 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13668 2001-01-01 Michael Hayes <mhayes@redhat.com>
13670 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13671 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13672 (record_initial): Likewise.
13673 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13674 (remap_split_bivs): Likewise.
13676 2001-01-01 Michael Hayes <mhayes@redhat.com>
13678 * loop.c (loop_ivs_free): New function.
13679 (strength_reduce): Break out from...
13681 2001-01-01 Michael Hayes <mhayes@redhat.com>
13683 * loop.h (struct iv): New.
13684 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13685 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13686 'reg_biv_class' fields with 'regs' and 'n_regs'.
13687 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13688 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13689 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13691 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13693 * resource.c (mark_referenced_resources): Abort() before
13694 attempting to mark a pseudo register.
13695 (mark_set_resources): Likewise.
13697 2001-01-01 Michael Hayes <mhayes@redhat.com>
13699 * loop.h (REG_IV_CLASS): New accessor macro.
13700 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13701 * unroll.c (REG_IV_CLASS): Likewise.
13703 See ChangeLog.4 for earlier changes.