1 Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * i386.md (float_truncate splitter, and to mov splitters): Add
4 reload_completed; fix operand predicate.
6 * haifa-sched.c (sched_init): Do not split insns.
7 * toplev.c (rest_of_compilation): Call split_all_insns before
8 sched1 pass; simplify condition of post-reload splitter;
9 call split_all_insn before sched2 pass.
11 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
13 * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
14 (set_message_prefixing_rule): Adjust prototype.
15 * diagnostic.c (current_prefixing_rule): Adjust type.
17 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
19 * defaults.h: Default escape sequences to ASCII.
20 * config/i370/i370.h: Adjust for ASCII default.
21 * config/1750a/1750a.h: Remove escape sequence definitions.
22 * config/a29k/a29k.h: Similarly.
23 * config/alpha/alpha.h: Similarly.
24 * config/arc/arc.h: Similarly.
25 * config/arm/arm.h: Similarly.
26 * config/avr/avr.h: Similarly.
27 * config/c4x/c4x.h: Similarly.
28 * config/clipper/clipper.h: Similarly.
29 * config/convex/convex.h: Similarly.
30 * config/d30v/d30v.h: Similarly.
31 * config/dsp16xx/dsp16xx.h: Similarly.
32 * config/elxsi/elxsi.h: Similarly.
33 * config/fr30/fr30.h: Similarly.
34 * config/h8300/h8300.h: Similarly.
35 * config/i386/i386.h: Similarly.
36 * config/i860/i860.h: Similarly.
37 * config/i960/i960.h: Similarly.
38 * config/ia64/ia64.h: Similarly.
39 * config/m32r/m32r.h: Similarly.
40 * config/m68hc11/m68hc11.h: Similarly.
41 * config/m68k/m68k.h: Similarly.
42 * config/m88k/m88k.h: Similarly.
43 * config/mcore/mcore.h: Similarly.
44 * config/mips/mips.h: Similarly.
45 * config/mn10200/mn10200.h: Similarly.
46 * config/mn10300/mn10300.h: Similarly.
47 * config/ns32k/ns32k.h: Similarly.
48 * config/pa/pa.h: Similarly.
49 * config/pdp11/pdp11.h: Similarly.
50 * config/pj/pj.h: Similarly.
51 * config/romp/romp.h: Similarly.
52 * config/rs6000/rs6000.h: Similarly.
53 * config/sh/sh.h: Similarly.
54 * config/sparc/sparc.h: Similarly.
55 * config/v850/v850.h: Similarly.
56 * config/vax/vax.h: Similarly.
57 * config/we32k/we32k.h: Similarly.
58 * doc/tm.texi: Update documentation.
60 2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
62 * diagnostic.c (digit_buffer): Remove as global. Move to...
63 * diagnostic.h (struct output_buffer): ... here.
64 * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
66 2001-06-25 Steve Ellcey <sje@cup.hp.com>
68 * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
69 Define tmake_file to include ia64/t-hpux.
70 * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
71 testing to see if it is defined.
72 * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
74 * config/ia64/hpux_longdouble.h: New.
75 * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
76 handling of long doubles.
77 (ia64_function_arg, ia64_function_value): Add checks for TFmode
78 and INTEL_EXTENDED_IEEE_FORMAT.
79 * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
80 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
81 TFmode and INTEL_EXTENDED_IEEE_FORMAT.
82 * config/ia64/ia64.md (all TFmode patterns): Test
83 INTEL_EXTENDED_IEEE_FORMAT in condition.
84 (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
85 * config/ia64/quadlib.c: New.
86 * config/ia64/t-hpux: New.
87 * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
89 2001-06-25 Jim Wilson <wilson@redhat.com>
91 * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
92 * config/i960/t-vxworks960: Likewise.
94 2001-06-25 Dale Johannesen <dalej@apple.com>
96 * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
99 Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
101 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
103 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
105 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
106 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
107 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
108 the use of "GCC" and related terms.
109 * doc/gcc.1, doc/gcov.1: Regenerate.
111 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
113 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
114 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
117 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
119 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
121 2001-06-24 Richard Henderson <rth@redhat.com>
123 * builtins.c (expand_builtin_expect_jump): Disable if the
124 expression can't be re-evaluated.
126 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
128 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
129 handlers examine register r0-r7, for other interrupt handlers
130 examine r0-r12. If the interrupt handler is not a leaf function
131 save all call clobbered registers.
132 (arm_output_epilogue): If the prologue has pushed the IP register,
134 (Arm_expand_prologue): For interrupt functions that need the frame
135 pointer, push the IP register before it is corrupted.
137 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
138 about the use of signed and unsigned quantities in a conditional.
140 2001-06-23 Richard Henderson <rth@redhat.com>
142 * config/alpha/crtfastmath.c: New file.
143 * config/alpha/t-crtfm: New file.
144 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
145 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
146 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
147 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
148 do not set extra_parts here.
150 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
152 * doc/install-old.texi: Remove more documentation of configure
154 * doc/install.texi: Add it here.
156 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
158 * i386-protos.h (emit_i387_cw_initialization): Declare.
159 * i386.md (movsi_insv_1): Remove '*'.
160 (fix_trunc?f?i2): Revamp to use control word parameters.
161 (fix_trunc?i_1): Likewise; update splitters.
162 (fix splitter): Remove.
163 * i386.c (MAX_386_STACK_LOCALS): set to 3.
164 (emit_i387_cw_initialization): New function.
165 (output_fix_trunc): Do not initialize control word;
166 kill dead code; simplify.
168 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
170 * cppmacro.c (make_string_token): Avoid warning.
171 (cpp_macro_definition): Prepend the macro name. Update
173 * cppmain.c (cb_define, dump_macro): Update for changes
174 to cpp_macro_definition.
176 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
178 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
180 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
182 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
183 try_pre_increment_1): compute REG_FREQ using bb->frequency.
185 * regclass.c (loop_cost): Kill.
186 (frequency): New global variable.
187 (record_operand_costs): Replace loop_cost by frequency.
188 (scan_one_insn): Likewise.
189 (regclass): Likewise; set frequency according to bb->frequency.
191 * flow.c (split_edge): Set frequency.
193 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
195 * predict.c (block_info_def): Add nvisited.
196 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
199 * flow.c (dump_edge_info): Dump the probability of edge.
200 (combine_predictions_for_insn): Dump the basic block.
202 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
204 * doc/gcc.texi: Update documentation of source files of C
207 2001-06-22 Richard Henderson <rth@redhat.com>
209 * doc/invoke.texi (-funsafe-math-optimizations): Document its
210 possible effects at link time.
212 2001-06-22 Diego Novillo <dnovillo@redhat.com>
214 * basic-block.h (dump_edge_info): Declare.
215 (clear_edges): Declare.
216 (mark_critical_edges): Declare.
217 * flow.c (dump_edge_info): Remove static declaration.
218 (clear_edges): Ditto.
219 (mark_critical_edges): Ditto.
220 (free_basic_block_vars): Only clear edges and free basic block
221 array if basic_block_info is not NULL.
222 * ssa.c (compute_dominance_frontiers): Remove static declaration.
223 * ssa.h (compute_dominance_frontiers): Declare.
225 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
227 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
228 instead of const1_rtx for true case.
230 2001-06-22 David Mosberger <davidm@hpl.hp.com>
232 * config/ia64/crtfastmath.c: New file.
233 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
234 * config/ia64/linux.h (ENDFILE_SPEC): New.
236 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
238 * config/h8300/h8300.c (asm_file_start): Remove reference to
241 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
243 * c-common.c (verify_tree): Check for x being NULL.
244 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
248 2001-06-22 DJ Delorie <dj@redhat.com>
250 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
251 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
252 (arm_return_addr): Use get_hard_reg_initial_val et al.
253 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
254 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
255 (d30v_return_addr): Use get_hard_reg_initial_val et al.
256 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
257 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
259 (rs6000_mark_machine_status): Remove.
260 (rs6000_return_addr): Use get_hard_reg_initial_val.
261 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
262 * config/v850/v850.h (INIT_EXPANDERS): Delete.
263 * config/v850/v850.c (struct machine_function): Delete.
264 (v850_init_machine_status): Delete.
265 (v850_mark_machine_status): Delete.
266 (v850_free_machine_status): Delete.
267 (v850_return_addr): Use get_hard_reg_initial_val.
268 (v850_init_expanders): Delete.
270 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
272 * predict.c (estimate_bb_frequencies): Do not handle conditional
273 jumps jumping to fallthru basic block as conditional jumps.
275 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
277 * regs.h (struct reg_info_def): Add freq field.
278 (REG_N_REFS): Update comment.
280 * regclass.c (scan_one_insn): Update REG_FREQ.
281 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
282 (attempt_auto_inc): Likewise.
283 (mark_used_reg): Likewise.
284 (try_pre_increment_1): Likewise.
285 * local-alloc.c (struct qty): Add freq field.
286 (alloc_qty): Set freq.
287 (update_equiv_regs): Set REG_FREQ.
288 (QTY_CMP_PRI): Use freq.
289 (combine_regs): Update qty->freq.
290 * global.c (struct allocno): Update comment for n_refs;
292 (local_reg_freq): New array.
293 (global_alloc): Update freq field;
294 allocate and initialize local_reg_freq.
295 (allocno_compare): Use freq field.
296 (find_reg): Likewise.
297 * reload1.c (count_pseudo): Use freq isntead of n_refs.
298 (count_spilled_pseudo): Likewise.
300 * tm.texi (GCOV_TYPE_SIZE): Document.
301 * basic-block.h (gcov_type): Define.
302 (struct edge_def): Use gcov_type for count field.
303 (struct basic_block_def): Likewise.
304 * defaults.h (GCOV_TYPE_SIZE): Define.
305 * final.c (end_final): Use GCOV_TYPE_SIZE.
306 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
307 using HOST_WIDEST_INT_PRINT_DEC.
308 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
309 __write_gcov_type): New.
310 (store_long): Remove.
311 * gcov.c (gcov_type): Set default.
312 (struct adj_list): Use gcov_type for arc_count.
313 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
314 (create_program_flow_graph): Read arc_count properly.
315 (solve_program_flow_graph): 'total' is gcov_type.
316 (output_data): Line_counts is gcov_type, print it properly.
317 * libgcc2.c (struct bb): Counts is gcov_type.
318 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
319 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
320 (GCOV_TYPE_SIZE): Define.
321 (struct bb_info): succ_count and pred_count is gcov_type.
322 (compute_branch_probabilities): Use __read_gcov_type,
323 print read edges to the dump file.
324 (total): Is gcov_type.
325 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
327 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
329 * optabs.c (emit_libcall_block): When using non-call exceptions,
330 don't mark libcalls never throwing.
332 2001-06-21 Stan Shebs <shebs@apple.com>
334 * objc/objc-act.c (hash_init): Use xcalloc.
336 2001-06-21 Richard Henderson <rth@redhat.com>
338 * flow.c (entry_exit_blocks): Initialize frequency.
339 (split_block): Copy it.
340 (dump_flow_info): Dump it.
342 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
344 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
345 from machine-depedent_reorg for purposes of alignment supression
346 when no delay slot insn has been added.
348 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
350 * cppmacro.c (make_string_token): Null terminate.
352 2001-06-21 DJ Delorie <dj@redhat.com>
354 * config/alpha/alpha.h (struct machine_function): Remove.
355 * config/alpha/alpha.c (integrate.h): Include.
356 (override_options): Don't set up machine_status hooks.
357 (alpha_init_machine_status): Remove.
358 (alpha_mark_machine_status): Remove.
359 (alpha_free_machine_status): Remove.
360 (alpha_return_addr): Use get_hard_reg_initial_val.
361 (alpha_gp_save_rtx): Likewise.
362 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
364 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
366 * config/sh/sh.md (interrupt_function): Use
367 current_function_interrupt.
368 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
369 an interrupt function.
371 * config/sh/sh.h (current_function_interrupt): Define extern.
373 * config/sh/sh.c (current_function_interrupt): New global.
374 (sh_expand_prologue): Set current_function_interrupt.
376 2001-06-21 Phil Edwards <pme@sources.redhat.com>
378 * doc/install.texi: Add 'c' to list of --enable-languages choices.
380 2001-06-21 DJ Delorie <dj@redhat.com>
382 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
384 * integrate.c (ggc.h): Include.
385 (initial_value_pair, initial_value_struct,
386 setup_initial_hard_reg_value_integration): Add prototypes.
387 (expand_inline_function): Call
388 setup_initial_hard_reg_value_integration.
389 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
390 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
391 to keep track of values present at the start of a function.
392 (mark_hard_reg_initial_vals): New, for gc.
393 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
394 mappings for initial values.
395 (emit_initial_value_sets): New. Emits code to set initial value
397 * integrate.h: Add prototypes for new functions.
398 * function.h (struct function): Add hard_reg_initial_vals field.
399 * function.c (integrate.h): Include.
400 (mark_function_status): Call
401 mark_hard_reg_initial_vals.
402 * toplev.c (integrate.h): Include.
403 (rest_of_compilation): Call emit_initial_value_sets.
405 2001-06-21 Stan Shebs <shebs@apple.com>
407 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
408 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
409 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
410 everywhere instead of "Objective C".
412 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
414 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
415 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
416 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
417 "back end" as nouns and "front-end" and "back-end" as adjectives.
419 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
421 * predict.c (estimate_probability): Fix loop bounds.
423 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
425 * toplev.c (rest_of_compilation): Run mark_constant_function
428 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
430 * predict.c (estimate_loops_at_level, propagate_freq
431 estimate_bb_frequencies, count_to_freqs): New functions.
432 (estimate_probability): Call estimate_bb_frequencies.
433 * basic-block.h (basic_block_def): Add field "freq".
434 (BB_FREQ_MAX): New constant.
436 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
438 * sh.c (barrier_align): Don't ask for alignment when seeing a
439 branch-around-a-jump from machine_dependent_reorg.
441 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
443 * ssa.c (rename_block): Update parameter to remove_phi_alternative
444 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
445 re-running life analysis.
447 2001-06-20 Stan Shebs <shebs@apple.com>
449 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
450 also use memset to clear the hash tables.
451 (hash_enter): Assume xmalloc always succeeds.
452 (hash_add_attr): Ditto.
453 (continue_class): Ditto.
455 2001-06-20 Michael Meissner <meissner@redhat.com>
457 * builtins.c (predict.h): Include.
458 (expand_builtin_expect): Update comment.
459 (expand_builtin_expect_jump): New function to expand
460 __builtin_expect inside of a conditional jump expansion.
462 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
463 __builtin_expect (<test>, 1).
465 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
467 * rtl.h (expand_builtin_expect_jump): Add prototype.
469 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
471 * doc/rtl.texi (Machine Modes): Correct description of
472 floating-point modes on machines with non-8-bit bytes.
474 2001-06-19 Bernd Schmidt <bernds@redhat.com>
476 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
477 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
480 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
482 * ssa.c (remove_phi_alternative): Remove declaration. No longer
483 static. Second argument is a pointer to a basic block structure,
484 not a basic block index.
485 (convert_to_ssa): Do not remove dead code.
486 (convert_from_ssa): Do not remove dead code to create death notes.
487 * ssa.h (remove_phi_alternative): Declare.
489 * flow.c (delete_unreachable_blocks): Fix patch error in
490 previous change (call to find_unreachable_blocks was lost).
492 * ssa.c (ssa_uses): Remove definition.
493 (apply_delayed_renames): Don't grow ssa_uses.
494 (rename_block): Remove comment related to ssa_uses.
495 (rename_registers): Do not initialize ssa_uses.
496 (convert_from_ssa): Do not free ssa_uses.
498 * ssa-dce.c: Renamed from dce.c.
499 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
500 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
503 2001-06-19 Eric Christopher <echristo@redhat.com>
505 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
506 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
507 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
509 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
511 * sh.c (output_branch): Delete bogus code.
513 * sh.c (initial_elimination_offset):
514 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
516 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
518 * flow.c (find_unreachable_blocks): New function.
519 (delete_unreachable_blocks): Use find_unreachable_blocks.
520 * basic-block.h (find_unreachable_blocks): Declare.
522 * dce.c (eliminate_dead_code): Fix formatting glitch.
524 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
526 * c-common.h (RETURN_NULLIFIED_P): New macro.
527 * c-semantics.c (genrtl_return_stmt): Check it.
529 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
530 (emit_block_move): Likewise.
532 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
534 * unroll.c: Include predict.h.
535 (unroll_loop): Drop prediction notes on preconditioning.
536 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
537 New; add comments on the others.
538 * Makefile.in: (unroll.o): Add dependancy on predict.h.
539 * loop.c (strength_reduce): Fix branch prediction.
541 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
543 * stmt.c (emit_case_nodes): Optimize test whether index is in given
546 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
548 * predict.c (estimate_probability): Do not bail out early
549 when note is present.
550 (combine_predictions_for_insn): Fix note removal code.
552 2001-06-18 Ben Elliston <bje@redhat.com>
554 * except.c (resolve_fixup_regions): Initialise "cleanup".
556 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
558 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
560 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
562 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
563 use put_var_into_stack.
565 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
567 * gccspec.c (lang_specific_driver): If compiling ObjC, add
568 -shared-libgcc when necessary.
569 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
571 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
573 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
574 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
575 bitmap_last_set_bit. All for compatibility with sbitmap's.
577 *bitmap.c (bitmap_zero): New function.
578 (bitmap_union_of_diffs): New function.
579 (bitmap_first_set_bit): New function.
580 (bitmap_last_set_bit): New function.
582 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
584 * cpp.texi, invoke.texi: Update.
585 * cpp.1, gcc.1: Regenerate.
587 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
589 * i386.md (minsf): Fix splitter. (PR fortran/3191)
591 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
593 * doc/cpp.texi: Update.
594 * doc/cpp.1: Regenerate.
596 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
598 * doc/install.texi: Use correct markup hints.
600 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
602 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
604 * explow.c (expr_size): If DECL and size specified, use it.
606 2001-06-15 Zack Weinberg <zackw@stanford.edu>
608 * doc/cpp.texi: Formatting corrections.
609 Correct buggy example of use of __GNUC__ etc.
610 Clarify $ in identifiers.
611 * doc/cpp.1: Regenerate.
613 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
615 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
617 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
619 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
621 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
622 Added Tru64 UNIX V5.1 bootstrap hints.
623 (Specific, alpha*-*-osf*): Removed old section, obsolete.
625 2001-06-15 Andreas Jaeger <aj@suse.de>
627 * doc/install.texi (Specific): Mention that glibc cannot be
628 compiled with GCC 3.0.
630 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
632 * combine.c (nonzero_bits): Don't optimize away division by
635 2001-06-15 Zack Weinberg <zackw@stanford.edu>
637 * doc/cpp.texi: Revised and brought up to date.
638 * doc/cpp.1: Regenerate.
640 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
642 * doc/install.texi: Update --enable-threads to match reality.
644 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
646 * doc/install.texi: Update for C4x.
647 * README.C4X: Remove.
649 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
651 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
652 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
653 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
654 Consistently use "built-in" and "bit-field". Minor logical markup
656 * doc/gcc.1: Regenerate.
658 2001-06-14 Richard Henderson <rth@redhat.com>
660 * config/mips/mips.md (exception_receiver): New.
662 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
664 * doc/gcc.texi: Update passes documentation to be more in tune
667 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
669 * i386.c (ix86_expand_prologue): Fix merging conflict.
671 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
673 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
674 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
675 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
676 logical markup. Use TeX quotes and dashes. Use @dots{} and
677 @minus{}. Avoid spaces inside @var. Update last modification
679 * doc/gcc.1, doc/gcov.1: Regenerate.
681 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
683 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
684 x86_epilogue_using_move): New global variables.
685 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
686 (ix86_emit_save_regs_using_mov): New static function.
687 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
688 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
689 MASK_MIX_SSE_I387): Renumber.
690 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
691 (x86_accumulate_outgoing_args, x86_prologue_using_move,
692 x86_epilogue_using_move): Declare.
693 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
695 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
697 * inclhack.def (hpux10_cpp_pow_inline): New hack.
699 2001-06-13 Richard Henderson <rth@redhat.com>
701 * ifcvt.c (dead_or_predicable): Fix return value last patch.
703 2001-06-13 Mark Mitchell <mark@codesourcery.com>
707 2001-06-13 Richard Henderson <rth@redhat.com>
709 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
710 (cond_exec_process_if_block, dead_or_predicable): Likewise.
712 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
714 * mips-tfile.c (copy_object): Always pass indexNil for symbol
717 2001-06-13 Kazu Hirata <kazu@hxi.com>
719 * config/h8300/h8300.h (OK_FOR_T): Remove.
720 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
721 * config/h8300/h8300.md: Remove alternatives involving inc and dec
722 in the helper patterns for addhi3 and addsi3.
724 2001-06-13 Phil Edwards <pme@sources.redhat.com>
726 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
728 2001-06-13 Zack Weinberg <zackw@stanford.edu>
730 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
731 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
733 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
734 config/alpha/t-osf4, config/mips/t-iris6: Extract all
735 references to @shlib_map_file@, @shlib_objs@, or
736 @shlib_base_name@ to Makefile variables.
737 Bump soname version of libgcc to 1.
739 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
741 * doc/install.texi: Use more logical markup. Include @node
742 commands in the source when generating any non-HTML.
744 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
746 * README: Remove. Some of the contents moved to ../README.
748 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
750 * doc/install.texi (--enable-shared): List package names
753 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
755 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
756 (*-*-solaris*): Document problem in /bin/sh that affects
757 configuring libraries.
758 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
759 (*-sun-solaris2.8): Document linker problem that explains why
760 libjava is disabled by default.
762 2001-06-09 Mark Mitchell <mark@codesourcery.com>
765 * toplev.c (rest_of_compilation): Remove dead code before
768 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
771 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
772 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
773 * configure: Rebuilt.
775 2001-06-12 Jim Wilson <wilson@redhat.com>
777 * loop.c (strength_reduce): Move bl->all_reduced set before
778 check_ext_dependant_givs call.
779 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
781 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
783 * doc/extend.texi (Function Attributes): Document SH's sp_switch
786 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
788 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
791 2001-06-12 Richard Henderson <rth@redhat.com>
793 * config/i386/i386.c (ix86_expand_prologue): Always use
794 gen_pro_epilogue_adjust_stack; update arguments.
795 (ix86_expand_epilogue): Likewise.
796 (ix86_emit_epilogue_esp_adjustment): Remove.
797 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
798 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
799 clobber of scratch memory instead of a modification of EBP as the
800 barrier. Update all peepholes to match.
802 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
804 * doc/gcc.texi: Change the font used for @def... commands to a
806 * doc/extend.texi: Use more logical markup. Use "built-in"
807 instead of "builtin". Use @deftypefn to mark up built-in
808 functions; specify their types in the @deftypefn and not in the
809 descriptive text. Use TeX quotes and dashes. Add more index
812 2001-06-12 lars brinkhoff <lars@nocrew.org>
814 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
815 (DIR_SEPARATOR_2): Likewise.
817 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
819 * doc/install.texi (--exec-prefix, --bindir, --libdir,
820 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
822 (--enable-cpp): Change to document --disable-cpp instead; update
823 to reflect current default.
824 (--without-fast-fixincludes): Remove documentation.
825 (Final install): Document installation directories in more
826 detail. Document use of make dvi.
828 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
830 * recog.c (validate_replace_rtx_1): Fix previous patch.
832 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
834 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
836 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
838 * simplify-rtx.c (simplify_subreg): Allow volatile memory
839 to be subregged in case we don't have move instruction.
841 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
843 * loop.c: Include predict.h
844 (strength_reduce): Drop branch prediction note in case
845 number of iterations is known.
846 * predict.def (PRED_LOOP_ITERATIONS): new.
847 * Makefile.in (loop.o): Add dependancy on predict.h
849 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
851 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
853 * c-typeck.c (c_start_case): Likewise.
855 2001-06-12 Mark Mitchell <mark@codesourcery.com>
857 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
858 in a structure at a variable address.
860 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
862 * doc/gcov.texi: Use more logical markup.
864 2001-06-11 Mark Mitchell <mark@codesourcery.com>
866 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
867 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
868 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
871 2001-06-11 Stan Shebs <shebs@apple.com>
873 * darwin.h (ASM_FILE_END): Remove decl of language_string.
875 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
877 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
878 as an early clobber to make sure it is not used by reload in
881 2001-06-11 Mark Mitchell <mark@codesourcery.com>
883 * doc/c-tree.texi: Update information about flag_honor_std.
884 * doc/install.texi: Note that binutils is required on HPUX 11.
885 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
888 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
889 variable-sized types.
891 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
893 * doc/md.texi: Use TeX dashes and quotes.
895 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
897 * doc/rtl.texi: Reference manual chapter about trees.
899 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
901 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
902 (WINT_TYPE): Override.
903 (WINT_TYPE_SIZE): Likewise.
904 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
906 * config/sparc/sol2.h (WINT_TYPE): Define.
907 (WINT_TYPE_SIZE): Likewise.
909 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
910 (WINT_TYPE): Override.
911 (WINT_TYPE_SIZE): Likewise.
912 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
913 (CPP_ARCH64_SPEC): Likewise.
915 2001-06-11 Richard Henderson <rth@redhat.com>
917 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
918 with alias attribute.
920 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
921 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
923 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
925 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
927 2001-06-11 Stan Shebs <shebs@apple.com>
929 * darwin.c (darwin_encode_section_info): Rewrite to simplify
930 and fix coding mistakes.
932 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
934 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
935 return string from m32r_output_block_move.
936 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
938 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
940 (ROUND_ADVANCE): Remove signed/unsigned conflict.
941 * config/m32r/m32r.c: Declare prototypes for static functions.
942 (move_src_operand): Replace INT32_P with UINT32_P.
943 (function_arg_partial_nregs): Fixed signed/unsigned conflict
944 in initialisation of 'size'.
945 (m32r_sched_reord): Remove redundant declarations of 'code'.
946 (m32r_output_block_move): Change to a void function.
947 (m32r_encode_section_info): Cast return of
948 TREE_STRING_POINTER to avoid compile time warning.
950 2001-06-11 Richard Henderson <rth@redhat.com>
952 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
953 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
954 (struct machine_function): Add gp_save_rtx.
955 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
956 (alpha_gp_save_rtx): New.
957 * config/alpha/alpha-protos.h: Declare it.
958 * config/alpha/alpha.md (exception_receiver): Make an expander.
959 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
961 2001-06-11 Richard Henderson <rth@redhat.com>
963 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
965 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
967 * configure.in: Align --help messages.
968 Remove trailing full stops.
969 Consistently use lower case.
970 Fix DWARF 2 spelling.
971 * configure: Rebuilt.
973 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
975 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
976 variants for .cpp/.cp/.c++ files.
977 Move definition of __LANGUAGE_C_PLUS_PLUS ...
978 (CPLUSPLUS_CPP_SPEC): ... here.
980 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
982 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
984 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
986 * c-decl.c (store_parm_decls): When comparing types in an
987 old-style function declaration with those from a previous
988 prototype, compare the unqualified versions of parameter types.
991 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
993 * doc/objc.texi: Use more logical markup. Use TeX dashes.
995 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
997 * doc/c-tree.texi: Use more logical markup.
999 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1001 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1003 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
1005 * loop.c (scan_loop): Do not combine asm statements.
1007 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1009 * simplify-rtx.c (simplify_subreg): Fix offset calculation
1010 for complex values within a CONCAT.
1012 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1014 * doc/install.texi: Update details of what components are included
1015 in the GCC distribution. Update default directory for g++
1016 includes. Update documentation relating to old libio. Adjust
1017 documentation on DejaGnu environment variables. Remove
1018 documentation of --enable-cpplib.
1020 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1022 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1025 2001-06-10 Richard Henderson <rth@redhat.com>
1027 * ifcvt.c (life_data_ok): New.
1028 (merge_if_block): Use it to determine whether to update
1030 (if_convert): Set it.
1032 2001-06-10 Richard Henderson <rth@redhat.com>
1034 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1036 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1038 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1039 (SH Options): Document -mieee.
1040 * doc/install.texi (Final install): Remove obsolete information
1041 about installing cross compilers.
1042 * doc/gcc.1: Rebuilt.
1044 2001-06-10 Richard Henderson <rth@redhat.com>
1046 * config/alpha/alpha.c (override_options): Set align_loops,
1047 align_jumps, and align_functions.
1048 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1049 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1051 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1053 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1054 are one and two words in size.
1056 2001-06-10 Richard Henderson <rth@redhat.com>
1058 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1059 (Code Generation Options): Document -fnon-call-exceptions.
1061 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1063 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1065 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1067 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1069 2001-06-10 Mark Mitchell <mark@codesourcery.com>
1070 Gabriel Dos Reis <gdr@codesourcery.com>
1072 * Makefile.in (c-parse.o): Depend on diagnostic.h
1073 (dwarf2out.o): Likewise.
1075 * dwarf2out.c: #include diagnostic.h
1077 * toplev.h (warningcount, errorcount, sorrycount): Remove
1080 * toplev.c (warningcount, errorcount, sorrycount): Remove
1083 * diagnostic.h (struct output_buffer): Reorder fields.
1084 (diagnostic_kind_count): New macro.
1085 (errorcount, warningcount, sorrycount): Define as macros.
1086 (diagnostic_report_warnings_p): New macro.
1087 (output_state): Add diagnostic_count field.
1089 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1090 Remove tentative declaration.
1091 (count_error): Use diagnostic_report_warnings_p.
1093 * c-parse.in: #include diagnostic.h
1095 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1097 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1098 prefer a memory for operand 1.
1099 ("*addsi3"): Fix constraints, the '!' was too strong.
1100 ("*addsi3_split"): Accept soft register and split accordingly.
1102 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1104 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1105 Move definition in the RTX_CODE section.
1107 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1109 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1110 address as relative to the argument pointer.
1112 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1114 * predict.def (PRED_OPCODE): Place before call and error_return.
1116 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1118 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1119 * predict.c (estimate_probability): Calculate dominance
1120 information; improve detection of NORETURN heuristics;
1121 add call/error_return heuiristics; tweak comparison heuristics
1124 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1126 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1127 (Debugging Options): Document -print-multi-directory and
1129 * doc/gcc.1: Rebuilt.
1131 * toplev.c (independent_decode_option): Require `=' between
1132 `-aux-info' and filename in the same argument.
1133 * gcc.c: Don't pass -aux-info=filename twice.
1135 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1137 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1138 an array element with the known initializing value if it has
1141 * toplev.c (rest_of_compilation): Remove dead code before
1144 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1146 * cppinit.c (print_help): Document -fpreprocessed.
1147 * invoke.texi: Similarly.
1149 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1151 * predict.def: New file.
1152 * predict.h: New file.
1153 * predict.c: Include predict.h.
1154 (predictor_info): New structure and array.
1155 (predict_edge, predict_insn): Rewrite; make global.
1156 (predict_edge_def, predict_insn_def): New global functions.
1157 (dump_prediction, combine_predictions_for_insns): New
1159 (estimate_probability): Change calls to predict_edge
1160 to predict_edge_def and calls to predict_insn to predict_insn_def;
1161 combine probabilities.
1162 (expected_value_to_br_prob): Behave as predictor.
1163 * rtl.h (REG_BR_PRED): Update coment.
1164 (invert_br_probabilities): New.
1165 * jump.c: Include predict.h
1166 (duplicate_loop_exit_test): Drop branch prediction notes.
1167 (invert_jump): Use invert_br_probabilities.
1168 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1169 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1170 * combine.c (distribute_notes): Handle BR_PRED.
1172 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1174 * predict.c (predict_insn, predict_edge): New static functions.
1175 (estimate_probability): Revamp to use new functions;
1176 fix loop header heruistics; add loop exist heruistics
1178 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1180 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1182 2001-06-09 Peter Jakubek <pjak@snafu.de>
1184 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1186 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1188 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1189 for integer operations that don't update C bit.
1191 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1193 * gthr-posix.h (__gthread_objc_init_thread_system): If
1194 pthread_key_create fails, it's not clear what the return value is.
1195 This obvious fix makes sure it always returns -1 if a problem
1198 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1200 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1201 more index entries. Use more logical markup where appropriate.
1202 Use TeX quotes and dashes.
1204 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1206 * unwind-pe.h: Conditionally qualify references to abort with
1209 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1211 * doc/invoke.texi: Remove superfluous text.
1213 2001-06-08 Richard Henderson <rth@redhat.com>
1215 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1216 (LIB_SPEC): Mirror config/linux.h version.
1218 2001-06-08 Richard Henderson <rth@redhat.com>
1220 * except.c (get_exception_pointer, get_exception_filter): Take a
1221 struct function. Update all callers.
1222 * except.h (get_exception_pointer): Update declaration.
1223 * expr.c (expand_expr): Update get_exception_pointer call.
1224 * integrate.c (expand_inline_function): Remap the exception pointer
1225 from callee to caller.
1227 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1229 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1230 accurately reflect its cv-qualification.
1231 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1232 cv-qualifiers on function types.
1234 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1236 * basic-block.h: Improve comments.
1237 * except.c (expand_eh_region_end_allowed): Remove redundant call
1238 to do_pending_stack_adjust.
1239 * flow.c (life_analysis): Fix typo in comment.
1240 (calculate_global_regs_live): Add documentation.
1241 (mark_set_1): Likewise.
1242 (debug_regset): Likewise.
1243 * doc/rtl.texi (cond_exec): Document it.
1245 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1247 * i386.h (CONST_COSTS): set cost of constants representable in
1248 immediate fields to 0.
1250 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1252 * function.c (diddle_return_value): Kill code to determine
1253 return value before expand_function_end.
1254 (expand_function_end): Delay call to clobber_return_register
1255 after fucntion return value is computed.
1257 Re-install temporary reverted patch:
1258 * toplev.c (rest_of_compilation): Call split_all_insns
1259 before reg-stack and shorten-branches. Do shorten-branches
1261 * final.c (shorten_branches): Remove insn splitting code.
1263 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1265 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1266 options. Use @opindex to index them rather than other indexing
1267 commands. Use @var{...} instead of <...>. Avoid spaces in names
1268 inside @var. Don't use @kindex to index escape sequences in
1271 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1273 * stmt.c (current_nesting_level): New fn.
1274 * tree.h: Declare it.
1275 * c-semantics.c (genrtl_compound_stmt): Use it.
1277 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1279 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1281 * jump.c (mark_modified_reg): Allow jump threading if condition
1282 codes are represented by a hard register.
1284 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1286 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1287 for complex floats passed to unprototyped functions.
1289 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1291 * except.c (expand_eh_region_end_allowed): Call
1292 do_pending_stack_adjust as necessary.
1294 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1296 * function.c (clobber_return_register): Clobber the pseudo return
1299 * sibcall.c (skip_unreturned_value): New function.
1300 (call_ends_block_p): Use it.
1302 * recog.c (split_insn): Break out from ...
1303 (split_all_insns): ... here; do not use basic block information
1306 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * simplify-rtx.c (simplify_subreg): Fix verification of
1311 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1313 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1314 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1315 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1316 (CPLUSPLUS_CPP_SPEC): ... here.
1317 Fixes PRs c++/3047, target/441.
1319 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1321 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1323 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1325 * doc/gcc.texi: Add trailing slash to URL.
1327 2001-06-07 Stan Shebs <shebs@apple.com>
1329 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1330 (REDO_SECTION_INFO_P): Ditto.
1331 (STRIP_NAME_ENCODING): Ditto.
1332 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1333 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1334 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1335 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1336 * config/darwin.c: No longer include c-tree.h.
1337 (machopic_classify_ident): Rewrite to use symbol encoding.
1338 (lookup_name_darwin): Remove.
1339 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1340 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1341 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1342 (machopic_finish): Ditto, remove test of decl.
1343 (update_non_lazy_ptrs): New function.
1344 (darwin_encode_section_info): New function.
1345 * config/darwin-protos.h: Declare it.
1346 * config/rs6000/rs6000.c (machopic_output_stub): Use
1347 STRIP_NAME_ENCODING.
1349 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1351 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1352 (DECL_SOURCE_LINE): Likewise.
1354 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1356 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1357 from config/elfos.h.
1359 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1361 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1362 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1364 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1366 * doc/contrib.texi: Add copyright notice.
1368 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1370 * doc/md.texi: Use four digit years in copyright notice.
1372 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1374 * config.gcc: For $target_alias of athlon-*, set
1375 target_cpu_default2=5.
1377 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1379 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1380 end of last block if last real insn is a JUMP_INSN.
1382 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1386 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1388 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1389 pthread_t to objc_thread_t.
1390 (__gthread_objc_thread_id): Likewise.
1392 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1394 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1395 (ASM_OLDAS_SPEC): Likewise.
1397 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1398 (CPP_SUBTARGET_SPEC): Use it.
1399 (ASM_OLDAS_SPEC): Define.
1401 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1403 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1405 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1406 passed by reference.
1408 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1410 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1411 Document use of N_(...), and show it in examples. Note that
1412 documentation should be added to invoke.texi. Avoid an overfull
1415 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1417 * toplev.c (rest_of_compilation): Revert previous patch.
1418 * final.c (shorten_branches): Likewise.
1420 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1422 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1425 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1427 * doc/install-old.texi: Remove more obsolete documentation.
1429 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1431 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1433 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1435 * toplev.c (rest_of_compilation): Call split_all_insns
1436 before reg-stack and shorten-branches. Do shorten-branches
1438 * final.c (shorten_branches): Remove insn splitting code.
1440 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1442 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1443 * configure: Rebuilt.
1445 2001-06-07 Andreas Jaeger <aj@suse.de>
1447 * emit-rtl.c (operand_subword): Remove unused variable.
1449 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1451 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1452 if TARGET_64BIT is false.
1453 (floatdi?f_i386_only): New insn.
1454 (floatdi?f_i386): Disable for !TARGET_64BIT.
1456 * (min?f, max?f splitters): Handle case where
1457 operands are cross-matched.
1459 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1460 (MMX_REGISTER_NAMES): Kill.
1461 (PRINT_OPERAND): Fix comment.
1462 (PRINT_REG): Likewise.
1463 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1464 (print_operand): Update comment; kill 'm'.
1466 * i386.c (x86_branch_hints): New global variable
1467 (print_operand): Support outputting of branch prediction hints.
1468 * i386.md (conditional jump patterns): Add branch prediction hints
1470 * i386.h (x86_branch_hints): Declare
1471 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1472 (PRINT_OPERAND_FUNCT_VALID_P): New.
1473 * final.c (final_forward_branch_p): New function.
1475 2001-06-06 Richard Henderson <rth@redhat.com>
1477 * flow.c (mark_used_reg): Clean up looping over multiple hard
1478 registers. Do conditional life bits across multiple hard regs.
1480 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1482 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1483 deleted during reload.
1485 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1487 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1488 functions here, instead of ...
1489 * c-decl.c (c_expand_body): ... here.
1491 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1493 * config.gcc, config/sparc/bsd.h: Do not directly include
1494 sparc/sparc.h. Instead do it via tm_file.
1496 2001-06-05 Richard Henderson <rth@redhat.com>
1498 * dwarf2.h (DW_EH_PE_aligned): New.
1499 * dwarf2asm.c (eh_data_format_name): Name it.
1500 (dw2_asm_output_encoded_addr_rtx): Align for it.
1501 * dwarf2out.c (output_call_frame_info): Handle it for personality
1502 routine and LSDA pointers.
1504 * unwind-pe.h (DW_EH_PE_aligned): New.
1505 (base_of_encoded_value): Handle it.
1506 (read_encoded_value_with_base): Likewise.
1507 * unwind-dw2-fde.c (base_from_object): Likewise.
1508 (get_cie_encoding): Likewise.
1510 * config/alpha/elf.h: Remove ecoff commentary.
1511 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1513 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1515 * config.gcc, config/i386/bsd386.h: Do not directly include
1516 i386/386bsd.h. Instead do it via tm_file.
1518 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1520 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1523 2001-06-05 Pascal Obry <obry@act-europe.fr>
1525 * configure.in: Quote $enable_win32_registry in case the value has
1529 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1531 * print-rtl.c (xspaces): Remove.
1532 (print_rtx): Use printf field-width, rather than xpsaces, to
1534 * toplev.c (main): Disable sibling-call optimization if we are
1535 handling exceptions.
1537 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1539 * reload1.c (reload): Delete all USEs generated during reload.
1541 2001-06-05 scott snyder <snyder@fnal.gov>
1543 * gccbug.in: Fix typo.
1545 2001-06-05 Andreas Jaeger <aj@suse.de>
1547 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1548 parameter and return value.
1550 2001-06-04 Anthony Green <green@redhat.com>
1552 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1553 machine. This is now done in sparc.h.
1555 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1557 Correct CVS resurrection of invoke.texi.
1558 * doc/invoke.texi: Document new tree dump flags.
1560 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1562 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1563 for casting an aggregate to its own type. Fixes PR c/2735.
1565 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1567 * doc/texinfo.tex: Update to version 2001-05-24.08.
1569 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1571 * c-common.h (flag_dump_translation_unit): Remove.
1572 (enum tree_dump_index): Define.
1573 (TDF_ADDRESS, TDF_SLIM): New #defines.
1574 (dump_node_to_file): Remove.
1575 (dump_node): Make extern. Add flags.
1576 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1577 dump_switch_p): Prototype.
1578 * c-common.c (flag_dump_translation_unit): Remove.
1579 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1580 logic. Use dump_switch_p.
1581 * c-dump.h (struct dump_info): Add node and user fields.
1582 (dump_pointer): Declare.
1583 * c-dump.c (dump_node): Make extern. Add flags.
1584 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1585 (dump_new_line, dump_maybe_newline): Use them.
1586 (dump_pointer): New function.
1587 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1588 chain or function's body. Dump address, if TDF_ADDRESS set.
1589 (dump_flag): Define.
1590 (dump_node_to_file): Remove.
1591 (struct dump_file_info): New struct.
1592 (dump_files): New array.
1593 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1594 * c-lang.c (finish_file): Adjust dumping.
1595 * toplev.h (dump_base_name): Make extern.
1596 * invoke.texi: Document new flags.
1598 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1600 * c-tree.h (lang_decl): Add pending_sizes fields.
1601 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1603 (c_expand_body): Expand them.
1604 (lang_mark_tree): Mark lang_decl:pending_sizes.
1605 * function.c (expand_pending_sizes): New function, broken out
1607 (expand_function_start): ... here.
1608 * tree.h (expand_pending_sizes): Declare it.
1610 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1612 * doc/install.texi: Update FreeBSD information. Generalize
1613 and update information for alpha-based platforms using ELF.
1615 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1617 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1618 (store_parm_decls): Likewise.
1619 * c-typeck.c (convert_arguments): Likewise.
1621 2001-06-04 Richard Henderson <rth@redhat.com>
1623 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1624 optimization if current_function_calls_setjmp.
1626 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1628 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1631 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1633 * simplify-rtx.c (simplify_subreg): Fix combining of
1634 paradoxical subregs.
1636 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1638 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1639 (no_labels_between_p): Short circuit case beg==end.
1641 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1643 * rtlanal.c (operand_preference): Fix preference for objects.
1645 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1647 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1650 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1652 * combine.c (if_then_else_cond): Use simplify_subreg instead
1654 * integreate.c (sub_constants): Likewise.
1656 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1658 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1659 and use simplify_gen_subreg.
1661 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1663 * sibcall.c (skip_copy_to_return_value): recognize the situation
1664 when the called function's return value is copied into an
1665 intermediate pseudo, and then into the calling functions return
1668 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1670 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1671 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1672 in case register wasn't OK previously, accept it now; allow
1673 subregs of frame pointer if reload completed and frame pointer
1676 * combine.c (sombine_simplify_rtx): Fix comment;
1677 use subreg_lowpart_offset instead of subreg_lowpart_p
1678 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1679 * rtl.h (subreg_lowpart_parts_p): Kill.
1680 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1681 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1682 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1683 (gen_lowpart_common): Likewise.
1684 (subreg_lowpart_p): Likewise.
1685 (subreg_lowpart_parts_p): Kill.
1686 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1688 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1689 to simplify SUBREG and REG.
1690 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1692 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1695 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1697 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1699 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1700 (ARRAY_RANGE_REF): Added description.
1702 * tree.def (ARRAY_RANGE_REF): New code.
1703 * alias.c (handled_component_p, can_address_p): Handle it.
1704 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1705 * explow.c (set_mem_attributes): Likewise.
1706 * expr.c (expand_assignment, get_inner_reference): Likewise.
1707 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1708 * fold-const.c (operand_equal_p): Likewise.
1709 * tree.c (staticp, stabilize_reference): Likewise.
1710 * varasm.c (decode_addr_const): Likewise.
1712 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1714 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1715 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1717 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1719 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1720 mark_constant_pool_use before output_addr_const.
1721 (struct pool_node): New field wend.
1722 (add_constant): Note a sequence of constants that are referenced
1724 (pool_window_label, pool_window_last): New variables.
1725 (dump_table): Emit a unspec_volatile representing the end of a
1726 sequence of constants.
1727 (mark_constant_pool_use): New function.
1728 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1729 (consttable_2): Add the second operand which flags whether
1730 this consttable entry was used or not.
1731 (consttable_4, consttable_8, consttable_sf, consttable_df):
1733 (consttable_window_end): New insn.
1735 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1737 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1738 Reformat according to coding standards.
1741 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1742 (shl_and_kind): Cast wide constant.
1743 (gen_far_branch): Define as static, as in declaration.
1744 (barrier_align): Compute cache-line length as unsigned. Add
1745 parentheses in initial credit computation.
1746 (rounded_frame_size): Add parentheses.
1747 (permanent_obstack): Remove declaration. Include ggc.h for
1748 declaration of ggc_add_root_rtx().
1749 (get_free_reg): Removed declaration of unused variable reg.
1750 (legitimize_pic_address): Mark mode argument as unused.
1752 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1754 * config/sh/sh.c (output_branch): Support for insn with lenght
1755 attr 12 & 16 which represents cond branches outside +-4096 range.
1757 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1759 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1760 cache-mirroring sequence. Add nops.
1762 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1764 * doc/install-old.texi: Remove more old installation
1766 * doc/install.texi: Add relevant parts here.
1768 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1770 * doc/install.texi2html: New script.
1772 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1774 * doc/install.texi: Update AIX information again.
1776 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1778 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1779 installation documentation.
1780 * doc/install.texi: Move it to here.
1782 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1784 * doc/install.texi: Clean up Texinfo markup.
1786 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1788 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1789 to just after title page.
1791 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1793 * doc/install-old.texi: Remove documentation of some configuration
1795 * doc/install.texi: Add relevant parts of this documentation here.
1797 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1799 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1800 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1802 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1804 * i386.md (all uses of ext_register_operand): Make sure they are
1805 VOIDmode; replace all uses outside zero_extend.
1806 (and?i splitters): Use ext_register_operands.
1807 (test?i peep2): Remove ignored constraints.
1808 * i386.c (ext_register_operand): Check that operand is
1809 eighter pseudo or hard or 'Q' register.
1811 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1813 * tree.h (struct record_layout_info_s): New field unpadded_align.
1814 (set_lang_adjust_rli): New declaration.
1815 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1816 it would have if not packed, do not downgrade DECL_ALIGN.
1817 (lang_adjust_rli, set_lang_adjust_rli): New.
1818 (start_record_layout): Initialize new field unpadded_align.
1819 (debug_rli): Display it.
1820 (place_union_field, place_field): Set it.
1821 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1823 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1824 mean that; use proper names instead.
1825 Print DECL_NO_STATIC_CHAIN.
1827 * except.c (expand_builtin_frob_return_addr): Add missing call
1828 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1829 (expand_builtin_eh_return): Likewise.
1830 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1832 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1834 * doc/invoke.texi: Remove references to papers about sequence points
1835 to readings.html, refer to that page.
1837 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1839 * README: Update references to installation instructions.
1841 2001-06-01 Laurent Guerby <guerby@acm.org>
1842 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1844 * doc/install.texi: Define srcdir when sources come from CVS.
1845 Significantly improve markup. Wrap overly long lines
1847 2001-06-01 DJ Delorie <dj@redhat.com>
1849 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1850 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1851 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1852 gcov.1: Move to doc subdirectory.
1853 * install.texi: Move to doc/install-old.texi.
1854 * gcc.texi: Move to doc, refer to install-old.texi.
1855 * Makefile.in: Reflect move of docs to doc/.
1856 * f/Make-lang.in: Ditto.
1857 * java/Make-lang.in: Ditto.
1858 * doc/.cvsignore: New.
1860 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1862 * invoke.texi: use two spaces between command options, eliminate
1863 some 'overfull hboxes'
1865 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1867 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1868 (DRIVER_DEFINES): Ditto.
1870 2001-05-31 Richard Henderson <rth@redhat.com>
1872 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1873 also link against libgcc.a.
1875 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1877 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1878 * config/mips/mips.c (mips_output_ascii): New function.
1879 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1881 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1883 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1885 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1886 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1888 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1890 * install.texi (Configuration): Add html links for --with-gnu-as &
1891 --with-gnu-ld and refer to them from hppa & SCO triplets.
1892 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1893 (Specific): Reword AVR binutils recommendation.
1895 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1897 * ggc-page.c (size_lookup): Increase minimum allocation size
1899 (ggc_print_statistics): Report size of each bin in bytes, not
1900 as its order; there is no longer a direct relationship.
1902 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1904 * extend.texi: Fix formating of examples, eliminate some
1906 * gcc.texi: Eliminate some 'overfull hboxes'.
1907 * invoke.texi: Use two spaces between command options, eliminate
1908 some 'overfull hboxes'.
1910 2001-05-30 Richard Henderson <rth@redhat.com>
1912 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1914 2001-05-30 Tom Tromey <tromey@redhat.com>
1916 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1917 use it in the new association.
1919 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1920 John David Anglin <dave@hiauly1.hia.nrc.ca>
1922 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1923 to target type to allow ISO C++ compiler to accept it.
1924 * gthr-dce.h (__gthread_active_ptr): Likewise.
1925 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1927 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1929 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1930 so that we do accept comments in preprocessed input.
1932 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1934 * cpphash.c (alloc_node): Cast allocated pointer.
1936 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1938 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1940 2001-05-29 Stan Shebs <shebs@apple.com>
1942 * gcc.texi: Add links for information about Objective-C.
1944 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1946 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1947 /bin/sed fails on [^\"]).
1948 (configargs.h): Likewise.
1950 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1952 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1954 2001-05-28 Stan Shebs <shebs@apple.com>
1956 * objc/objc.gperf: Remove, no longer used.
1958 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1960 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1961 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1962 Remove trailing whitespace.
1964 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1966 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1967 became http://freeware.sgi.com/.
1969 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1971 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1974 2001-05-27 Stan Shebs <shebs@apple.com>
1976 * objc/objc-act.c: Add/fix various comments.
1977 (init_selector): Remove, no longer used.
1978 (build_msg_pool_reference): Ditto.
1979 (objc_debug): Ditto.
1981 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1983 * c-decl.c (init_decl_processing):
1984 Don't call start_identifier_warnings.
1985 * flags.h (warn_id_clash, id_clash_len): Remove.
1986 * stringpool.c: Don't include flags.h.
1987 (scan_for_clashes, do_identifier_warnings,
1988 start_identifier_warnings): Remove.
1989 * toplev.c (warn_id_clash, id_clash_len): Remove.
1990 (display_help): Don't document -Wid-clash.
1991 (decode_W_option): Print warning on -Wid-clash.
1992 * tree.h (start_identifier_warnings): Remove.
1993 * invoke.texi: Remove documentation of -Wid-clash.
1995 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1997 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1999 2001-05-27 Bruce Korb <bkorb@gnu.org>
2001 * fixinc/check.tpl(HACK) add and use a Scheme variable
2002 (has no test text): error out if no "test_text" is defined
2003 * fixinc/fixincl.tpl: likewise
2004 (FIXIDX): make it an enumeration so we minimize diffs
2005 * fixinc/inclhack.def: re-alphabetize and add sort instructions
2006 * fixinc/fixincl.x: regenerate
2007 * fixinc/tests/base/stdio.h: test output got moved due to
2009 * README-fixinc: rewrite (mostly)
2011 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2013 * cpplib.c (run_directive): Set pfile->directive.
2015 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2017 * c-tree.texi: Reformat the manual as a single chapter now
2018 included by gcc.texi.
2019 * gcc.texi: Include c-tree.texi. Merge all indexes.
2020 * Makefile.in (dvi): Add generation for the cppinternals
2021 documentation. Added dependencies on fdl.texi and c-tree.texi
2022 where appropriate. Use TEXI2DVI instead of custom tex calls.
2023 (info): Added dependencies on fdl.texi and c-tree.texi where
2024 appropriate. Remove the target c-tree.info.
2026 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
2028 * combine.c (try_combine): Fix typo in comment.
2029 * expr.c (expand_expr): Likewise.
2030 * config/i370/i370.md (untyped_call): Likewise.
2032 2001-05-26 Bruce Korb <bkorb@gnu.org>
2034 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2035 when fixincl is operating in test mode
2036 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2037 (AAB_ultrix_limits): remove redundant text
2038 (AAB_ultrix_memory): ditto
2039 (AAB_ultrix_string): ditto
2040 (djgpp_wchar_h): fix the test text
2041 (irix_stdio_va_list): add test text
2042 (irix_limits_const): add a testing output file (limits.h is overwritten)
2043 (strict_ansi_not_ctd): put limits.h second in list for same reason
2044 (solaris27_mutex_init): test text needed selection text, too
2046 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2047 when fixincl is operating in test mode
2049 2001-05-26 Philip Blundell <philb@gnu.org>
2051 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2052 * config/i960/i960-protos.h: Likewise.
2053 * config/i370/i370-protos.h: Likewise.
2054 * config/h8300/h8300-protos.h: Likewise,
2055 * config/sh/sh-protos.h: Likewise.
2056 * config/v850/v850-protos.h: Likewise.
2058 2001-05-26 Philip Blundell <philb@gnu.org>
2060 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2062 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2064 * toplev.c (debug_args, f_options, W_options): Mark
2065 descriptions for translation.
2066 (display_help): Translate descriptions on output.
2068 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2069 objc/lang-options.h: Mark descriptions for translation.
2071 * aclocal.m4: Quote final argument of patsubst. Use
2072 3-argument form of AC_DEFINE. Restore quotes to [] while
2074 * configure.in: Remove unnecessary changequote calls.
2075 * configure, config.in: Regenerate.
2077 2001-05-25 Sam TH <sam@uchicago.edu>
2079 * basic-block.h: Fix header include guards.
2080 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2081 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2082 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2083 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2084 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2085 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2086 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2087 varray.h version.h: Likewise.
2088 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2089 config/arm/arm.h config/c4x/c4x-protos.h
2090 config/h8300/h8300-protos.h config/h8300/h8300.h
2091 config/i370/i370-protos.h config/i370/i370.h
2092 config/i960/i960-protos.h config/mcore/mcore.h
2093 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2094 config/v850/v850-protos.h config/v850/v850.h: Likewise.
2095 * fixinc/fixlib.h fixinc/server.h: Likewise.
2097 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2099 * config/arc/initfini.c (.init): Fix typo.
2101 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
2103 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2105 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2107 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2109 2001-05-25 Richard Henderson <rth@redhat.com>
2111 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2113 2001-05-25 Richard Henderson <rth@redhat.com>
2115 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2116 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2117 (sparc*-*-solaris2): Likewise.
2118 * config/t-linux: Remove shared libgcc macros.
2119 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2120 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2122 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2124 * config.gcc (*-*-freebsd*): Report bad configuration.
2126 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2128 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2130 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2132 (ASM_OUTPUT_LABELREF): Delete.
2134 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2136 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2137 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2138 * fixinc/fixincl.x: Regenerate.
2139 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2140 (FIX_TEST_TABLE): Declare it.
2141 * fixinc/fixlib.h: Include config.h.
2143 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2145 * fixinc/inclhack.def (alpha___assert): Change char * args to
2146 const char * on Tru64 UNIX to avoid excessive warnings from
2148 * fixinc/fixincl.x: Regenerate.
2150 2001-05-25 Geoff Keating <geoffk@redhat.com>
2152 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2153 outputting a tag only for variable-size records.
2155 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2157 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2158 instead of rtx_equal_p for early clobber test.
2160 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2162 * builtins.def: Encode additional information, such as names and
2164 * builtin-types.def: New file.
2165 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2166 (built_in_decls): Likewise. Don't explicitly initialize global
2168 (expand_builtin_mathfn): Handle float and long double variants of
2170 (expand_builtin): Likewise.
2171 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2172 (expand_tree_builtin): Handle long, long long, float, and long
2173 double variants of math functions.
2174 * c-common.h (c_tree_index): Remove some unused nodes.
2175 (void_ftype): Remove.
2176 (void_type_ptr): Likewise.
2177 (int_ftype_int): Likewise.
2178 (ptr_ftype_sizetype): Likewise.
2179 * c-decl.c (init_decl_processing): Remove creation of DWARF
2181 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2182 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2183 * Makefile.in (c-common.o): Depend on builtin-types.def.
2185 2001-05-25 Dale Johannesen <dalej@apple.com>
2187 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2189 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2191 * c-parse.in (notype_initdcl): Remove redundant line.
2193 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2195 * aclocal.m4: Fixed typo.
2196 (gcc_AC_HEADER_STDBOOL): Define.
2197 (gcc_AC_C__BOOL): Define.
2198 * configure.in: Use them.
2199 (AC_CHECK_HEADERS): Remove stdbool.h
2200 * configure, config.in: Regenerate.
2202 2001-05-25 Richard Henderson <rth@redhat.com>
2204 * function.c (expand_function_start): Don't abort on PARALLEL
2205 returns from hard_function_value.
2207 2001-05-25 Richard Henderson <rth@redhat.com>
2209 * config/i386/i386.md: Revert previous change. Do not apply
2210 the peephole if the components do not die after the sequence.
2212 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2214 * c-parse.in (array_declarator): New. Handle C99 constructs.
2215 Don't restrict [*] declarators to C only.
2216 (after_type_declarator, parm_declarator_starttypename,
2217 parm_declarator_nostarttypename, notype_declarator,
2218 direct_absdcl1): Use it.
2219 * c-decl.c (build_array_declarator, set_array_declarator_type):
2220 New functions. Warn that [*] isn't properly implemented; pedwarn
2221 for [*] outside C99 mode if pedantic rather than giving a hard
2223 (grokdeclarator): Handle static and type qualifiers in parameter
2225 * c-tree.h (build_array_declarator, set_array_declarator_type):
2227 * extend.texi (Attribute Syntax): Document attributes in parameter
2230 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2232 * config/i386/i386.md: Make sure cmpstr peepholes do not
2233 affect liveness information.
2235 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2237 * c-typeck.c (digest_init): Issue error messages about
2238 invalid constants, not warnings.
2240 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2242 * invoke.texi (-fno-builtin): Document that this is always on
2245 2001-05-24 Philip Blundell <philb@gnu.org>
2247 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2250 2001-05-24 Philip Blundell <philb@gnu.org>
2252 * config/arm/arm.c (output_return_instruction): Correctly handle
2253 interworking and interrupt functions.
2255 2001-05-24 Philip Blundell <philb@gnu.org>
2257 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2258 -m{no-}sched-prolog. Fix typos and improve formatting.
2260 2001-05-24 Philip Blundell <philb@gnu.org>
2262 * invoke.texi (ARM Options): Improve wording slightly. Add
2263 documentation for more options, including those for Thumb mode.
2264 Don't mention options that don't exist or are unimplemented.
2265 (Thumb Options): Delete; merged into above section.
2267 2001-05-24 Geoff Keating <geoffk@redhat.com>
2269 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2270 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2272 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2274 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2275 fix hard register simplification.
2277 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2279 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2280 of just copying CPP_CPU_SPEC.
2282 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2284 * i386.c (incdec_operand): Accept only 1 and -1.
2286 2001-05-23 Kelley Cook <kelley.cook@home.com>
2288 * Makefile.in: Move many of the *_H definitions eariler in the
2289 file, so that rules in t-* files that use them for
2290 dependencies will work in a parallel build.
2291 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2293 2001-05-23 Richard Henderson <rth@redhat.com>
2295 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2297 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2299 * cpp.texi: Update for handling of charconsts.
2300 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2301 diagnostics. Skip to the end if the UCS is too short.
2302 (cpp_interpret_charconst): Long charconsts issue a warning
2305 2001-05-23 Richard Henderson <rth@redhat.com>
2307 * doc/install.texi (alpha-linux): Require binutils 2.11.
2309 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2311 * c-lex.c (read_escape, read_ucs): Delete.
2312 (lex_string): Use cpp_parse_escape.
2313 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2314 if not C++ or not C99. Warn if traditional.
2315 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2316 unsigned. Warn for out-of-range escape sequences here.
2317 Update to use maybe_read_ucs.
2318 (cpp_interpret_charconst): Don't warn here.
2319 * cpplib.h (cpp_parse_escape): New exported function.
2321 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2323 * extend.texi (Attribute Syntax): Clarify application of
2324 attributes to parameters declared as functions or arrays.
2326 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2328 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2330 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2332 * diagnostic.c (vnotice): Kill.
2333 (fnotice): Call vfprintf directly.
2334 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2335 verbatim, set_diagnostic_context): Rename string argument to
2336 indicate that it is run through gettext.
2337 (vbuild_message_string, build_message_string, output_do_printf):
2338 Rename string argument to indicate that it is NOT run through
2340 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2341 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2342 Run msgid argument through gettext.
2343 (default_print_error_function): Run constant strings through
2344 gettext when nothing else will.
2345 (fatal_error, internal_error, error_recursion): Use fnotice.
2346 Present complete sentences to gettext.
2348 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2350 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2352 2001-05-23 Richard Henderson <rth@redhat.com>
2354 * function.c (expand_function_start): Always use a pseudo
2355 for the function result value.
2357 2001-05-22 Richard Henderson <rth@redhat.com>
2359 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2360 section pointer alignment.
2362 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2364 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2365 of __USER_LABEL_PREFIX__.
2367 2001-05-22 Richard Henderson <rth@redhat.com>
2369 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2370 (__deregister_frame_info_bases): New.
2371 * unwind-dw2-fde.h: Declare it.
2372 * libgcc-std.ver: Export it.
2373 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2374 called __register_frame_info_bases.
2376 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2378 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2379 instead of #elif (which is OK for this case but not in general).
2381 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2383 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2384 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2385 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2386 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2387 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2389 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2390 David O'Brien <obrien@freebsd.org>
2392 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2393 configure-time options and target version of FreeBSD. Set-up
2394 to match architectural change in threading support. Correctly
2395 report when -pthread option is not supported by configure-time
2397 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2398 and extend to encode target version number in run-time setting
2399 of __FreeBSD__ macro to match the system compiler.
2400 (CPP_PREDEFINES): Likewise.
2401 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2403 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2404 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2406 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2407 David O'Brien <obrien@freebsd.org>
2409 * config.gcc (the unlabeled system switch statement): Add
2410 generic configuration section to handle *-*-freebsd*. Also,
2411 to match the system compiler, default to threading support (it
2412 may be disabled with the standard --disable-threads
2413 configuration-time switch).
2414 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2415 (alpha*-*-freebsd* in machine-specific section): Likewise.
2417 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2418 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2419 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2420 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2421 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2423 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2424 David O'Brien <obrien@freebsd.org>
2426 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2427 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2428 -pthread instead setting macro.
2430 2001-05-22 Richard Henderson <rth@redhat.com>
2432 * crtstuff.c (__register_frame_info_bases): Declare.
2433 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2434 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2436 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2437 (CRT_GET_RFIB_DATA): New.
2438 * config/i386/sysv4.h: Likewise.
2439 * config/i386/sco5.h: Likewise.
2440 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2442 2001-05-22 Richard Henderson <rth@redhat.com>
2444 * rtl.c (read_string): Break out from ...
2445 (read_rtx): ... here.
2447 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2449 * doc/install.texi (Specific): Remove a bogus and duplicate part
2450 copied from the end of the document.
2452 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2454 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2456 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2458 * install.texi: Remove obsolete information on SunOS as well as
2459 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2460 (Installing GNU CC on the Sun): Remove section.
2462 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2464 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2465 keep errno unchanged on success.
2467 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2469 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2470 once for hexadecimal floats, whether or not they contain a decimal
2471 point. Don't let the setting of pedantic otherwise affect the
2472 parsing of hexadecimal floats.
2474 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2476 * README.ACORN: Remove obsolete file.
2478 2001-05-22 Jan Hubicka <jh@suse.cz>
2480 * combine.c (gen_binary): Use swap_commutative_operands_p
2481 (simplify_comparison): Likewise.
2482 * expmed.c (emit_store_flag): Likewise.
2483 * expr.c (compare_from_rtx): Likewise.
2484 (do_compare_rtx_and_jump): Likewise.
2485 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2486 if not emitting a branch and operands want swapping.
2488 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2490 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2491 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2492 (maybe_get_identifier): Update.
2493 * tree.h (make_identifier): Delete.
2495 2001-05-21 Richard Henderson <rth@redhat.com>
2497 * combine.c (subst): Do not substitute for a register as
2498 a destination subreg/strict_low_part/zero_extract.
2500 * combine.c (simplify_comparison): Update op1 after constant
2502 * recog.c (const_int_operand): Accept only constants valid
2504 * genrecog.c: Update comments wrt const_int_operand.
2506 * emit-rtl.c (init_emit_once): Zero unused memory in a
2509 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2511 * tree.h (type_num_arguments): Declare it.
2512 * tree.c (type_num_arguments): New function.
2514 2001-05-21 Richard Henderson <rth@redhat.com>
2516 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2519 2001-05-21 Geoff Keating <geoffk@redhat.com>
2521 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2523 (minsf3): Use rs6000_emit_minmax.
2524 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2526 (movsfcc): Use rs6000_emit_cmove.
2527 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2528 Don't generate emit_fselsfsf4.
2529 (fseldfsf4): Likewise.
2530 (maxdf3): Use rs6000_emit_minmax.
2532 (mindf3): Use rs6000_emit_minmax.
2533 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2535 (movdfcc): Use rs6000_emit_cmove.
2536 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2537 Don't generate emit_fselsfsf4.
2538 (fselsfdf4): Likewise.
2539 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2540 (min_max_operator): New predicate.
2541 (rs6000_emit_cmove): New function.
2542 (rs6000_emit_minmax): New function.
2543 * config/rs6000/rs6000-protos.h: Prototype new functions.
2544 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2545 and min_max_operator.
2547 * config/rs6000/rs6000.c (output_cbranch): Handle all
2548 conditional types in the switch statement.
2550 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2552 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2553 non-register variables.
2554 * extend.texi: Document that asm-specifications do not make sense
2555 for non-static local variables.
2557 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2559 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2560 (dbxout_type_fields): Lose minimal_debug support.
2561 (dbxout_type_methods, dbxout_type): Likewise.
2563 2001-05-17 Andrew Haley <aph@redhat.com>
2565 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2567 2001-05-21 Richard Henderson <rth@redhat.com>
2569 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2572 2001-05-20 Richard Henderson <rth@redhat.com>
2574 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2575 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2576 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2577 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2578 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2580 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2581 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2582 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2583 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2584 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2585 DEBUG_PUBNAMES_SECTION): Rename as above.
2586 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2588 2001-05-20 Richard Henderson <rth@redhat.com>
2590 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2591 operands unless the operation is commutative.
2593 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2595 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2598 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2600 * extend.texi: Clarify documentation of extensions included in ISO
2601 C99. Prefer C99 terminology and syntax to old GNU terminology and
2602 syntax. Add more index entries. Document mixed declarations and
2603 code as an extension in C89 mode. Warn about future changes to
2604 semantics of inline functions. Fixes PR other/930.
2606 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2608 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2609 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2610 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2611 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2613 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2615 2001-05-20 Richard Henderson <rth@redhat.com>
2617 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2618 to be output before a branch.
2620 2001-05-20 Richard Henderson <rth@redhat.com>
2622 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2624 2001-05-20 Richard Henderson <rth@redhat.com>
2626 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2627 (ASM_DOUBLE): Remove.
2628 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2629 * config/i386/sun386.h: Likewise.
2631 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2632 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2634 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2635 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2636 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2637 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2639 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2640 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2641 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2642 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2643 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2644 * config/i386/win32.h: Likewise.
2646 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2648 * invoke.texi: Add more options to summary list.
2650 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2652 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2653 used. Fixes PR c/2291.
2654 * gcc.1: Regenerate.
2656 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2658 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2659 the -fpic and -fPIC options, clear flag_pic.
2661 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2663 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2664 * stringpool.c (make_identifier): No statistics here anymore.
2665 * objc-act.c (steup_string_decl): Remove redundant check.
2667 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2669 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2670 cpplib.o, cpphash.o, fix-header): Update.
2671 (hashtable.o): New target.
2672 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2673 struct c_common_identifier here.
2674 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2675 * c-lex.c (c_lex): Update.
2676 * c-pragma.h: Update.
2677 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2679 (C_RID_CODE): Delete.
2680 * cpphash.c: Rewrite to use hashtable.c.
2681 * cpphash.h: Update include guards.
2682 (struct cpp_reader): Remove hashtab.
2683 hash_ob and buffer_ob are no longer pointers. Add hash_table
2685 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2686 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2687 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2688 * cppinit.c (cpp_create_reader): Update.
2689 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2690 (cpp_interpret_charconst): Eliminate warning.
2691 * cpplib.c (do_pragma, do_endif, push_conditional,
2692 cpp_push_buffer, cpp_pop_buffer): Update.
2693 (_cpp_init_stacks): Rename cpp_init_directives.
2694 (_cpp_cleanup_stacks): Remove.
2695 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2696 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2697 cpp_forall_identifiers, cpp_create_reader): Update.
2698 (C_RID_CODE, cpp_make_node): New.
2699 (c_common_identifier): New identifier node for C front ends.
2700 * cppmain.c (main): Update.
2701 * fix-header.c (read_scan_file): Update.
2702 * flags.h (id_clash_len): Make unsigned.
2703 * ggc.h (ggc_mark_nonnull_tree): New.
2706 * stringpool.c: Update comments and copyright. Update to use
2708 * toplev.c (approx_sqrt): Move to hashtable.c.
2709 (id_clash_len): Make unsigned.
2710 * toplev.h (ident_hash): New.
2711 * tree.c (gcc_obstack_init): Move to hashtable.c.
2712 * tree.h: Include hashtable.h.
2713 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2714 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2715 (struct tree_identifier): Update.
2716 (make_identifier): New.
2718 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2719 (C_RID_CODE): Remove.
2720 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2721 (init_parse): Don't do it here.
2723 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2725 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2727 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2729 (expand_eh_return): Convert between word_mode and Pmode.
2730 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2732 (execute_stack_op): Likewise.
2733 (execute_cfa_program): Likewise.
2734 (uw_frame_state_for): Likewise.
2735 (uw_update_context_1): Likewise.
2736 * unwind.inc (_Unwind_Reason_Code): Likewise.
2737 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2738 (EH_RETURN_STACKADJ_RTX): Likewise.
2739 * config/mips/mips.c (compute_frame_size): Make space for saving
2740 EH return registers.
2741 (mips_expand_epilogue): Handle EH stack adjustments.
2742 * config/mips/mips.md (eh_return): New pattern.
2743 (eh_set_lr_si): Likewise.
2744 (eh_set_lr_di): Likewise.
2745 Add splitter to perform EH return after reload.
2747 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2749 * jump.c (mark_jump_label): Tidy previous change.
2751 2001-05-19 Bruce Korb <bkorb@gnu.org>
2753 * fixinc/genfixes: no need for two warnings
2754 * fixinc/Makefile.in: open stdin for those building with a closed one.
2756 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2758 * jump.c (jump_optimize_1): Tidy.
2759 (mark_jump_label): When changing the label in a LABEL_REF, change
2760 update any REG_EQUAL notes as well.
2762 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2764 * c-parse.in (parm_declarator): Split into
2765 parm_declarator_starttypename and parm_declarator_nostarttypename.
2766 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2767 New. Allow parenthesised sub-declarators which don't begin with a
2768 TYPENAME. Fixes PR c/166.
2770 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2772 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2774 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2776 * toplev.c (main): If the target does not allow profiling without
2777 a frame pointer, issue an error message.
2778 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2781 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2783 * recog.c (general_operand): Modify last change to allow it if reload
2786 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2788 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2789 subregs containing mem.
2791 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2793 * regrename.c (regrename_optimize): frame pointer register can
2796 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2798 * README.DWARF: Move into dwarfout.c.
2800 2001-05-18 Dale Johannesen <dalej@apple.com>
2802 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2803 specific misuse of r0 as a reload address.
2805 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2807 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2810 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2812 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2813 (add_to_sequence): Make that decision type.
2814 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2815 (write_switch, write_cond, debug_decision_2): Likewise.
2817 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2819 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2822 2001-05-18 Stan Shebs <shebs@apple.com>
2824 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2825 * configure: Regenerate.
2827 2001-05-18 Per Bothner <per@bothner.com>
2829 Changes needed for java/jvspec.c
2830 * gcc.h (n_infiles, outfiles): Add declarations.
2831 * gcc.c (n_infiles, outfiles): Mske no longer static.
2833 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2835 * config/pa/som.h (EXCEPTION_SECTION): Define.
2837 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2839 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2841 Add have_location_lists, a variable to determine whether we need a
2842 .debug_loc section or not.
2843 (enum dw_val_class): Add dw_val_class_loc_list.
2844 (dw_val_struct): Add val_loc_list.
2845 (dw_loc_list_struct): New structure, represents location lists.
2846 (new_loc_list): New function, return a new location list, given
2847 the range and location expression.
2848 (add_loc_descr_to_loc_list): New function, add a location
2849 expression to a location list, given the expression and range.
2850 (output_loc_list): New function, output a location list.
2851 (gen_internal_sym): Modified to take symbol prefix, so we can
2852 reuse it for location list symbols.
2853 (add_AT_loc_list): New function, add a location list to a DIE at
2854 the named attribute.
2855 (AT_loc_list): New function, return the location list reference
2856 for a given attribute, if it's a location list.
2857 (print_die): Handle dw_val_class_loc_list.
2858 (size_of_die): Ditto.
2859 (value_format): Ditto.
2860 (output_die): Ditto.
2861 (output_location_lists): New function, output all of the location
2862 lists for a DIE and it's children.
2863 (dwarf2out_finish): Call output_location_lists if we have location
2867 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2869 * gcse.c (try_replace_reg): First try global replace, later try to
2870 simplify the expression.
2872 * gcse.c (find_used_regs): Change calling convention; work via
2874 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2876 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2879 2001-02-09 Nick Clifton <nickc@redhat.com>
2880 * config/arm/arm.md: Change output constraint on post inc
2881 load/store multiple patterns to be a read/write constraint.
2883 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2885 * basic-block.h (struct basic_block_def): Add documentation about
2886 what a basic block is, and what the various fields are used for.
2887 * flow.c (calculate_globlal_regs_live): Add documentation about
2888 how the algorithm works, and how we know that it will terminate.
2889 Check that the the inductive assumption that guarantees
2890 termination actually holds.
2891 (mark_used_regs): Treat conditionally set registers as used.
2892 (debug_regset): Add comment.
2893 * rtl.texi (cond_exec): Add documentation.
2895 * function.c (expand_function_start): Avoid creating BLKmode
2898 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2900 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2901 DIE, even if it has no children.
2902 (dwarf2out_finish): Always output the line-number table, even if
2905 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2907 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2909 2001-05-17 Bruce Korb <bkorb@gnu.org>
2911 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2912 * fixinc/genfixes: emit a warning if AutoGen is out of date
2914 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2915 Bruce Korb <bkorb@gnu.org>
2917 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2918 found in fixinc directory. Facilitates binary distributions.
2920 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2922 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2925 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2927 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2929 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2931 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2932 (simplify_subreg): Handle complex types represented as CONCAT.
2934 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2935 * rtl.h (swap_commutative_operands_p): Declare.
2936 * rtlanal.c (swap_commutative_operands_p): New.
2937 (operand_preference): New static function.
2939 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2940 (gen_binary): Likewise.
2941 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2942 * simplify-rtx.c (simplify_gen_binary,
2943 simplify_gen_relational): Likewise.
2945 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2947 * cse.c (fold_rtx): Use simplify_subreg.
2949 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2950 (simplify_gen_subreg): New.
2951 (simplify_rtx): Use simplify_subreg.
2952 * rtl.h (simplify_gen_subreg): Declare.
2954 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2956 * doc/install.texi: Update Solaris information.
2958 * except.h (protect_cleanup_actions): Remove it.
2959 (lang_protect_cleanup_actions): Declare it.
2960 * except.c (protect_cleanup_actions): Remove it.
2961 (lang_protect_cleanup_actions): New variable.
2962 (init_eh): Don't make protect_cleanup_actions a GC root.
2963 (expand_eh_region_and_cleanup): Call
2964 lang_protect_cleanup_actions.
2965 (output_function_exception_table): Remove unused `align'
2967 * varasm.c (assemble_external): Abort if we have not yet
2968 opened the assembly output file.
2970 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2972 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2973 for eh_personality_libfunc.
2975 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2977 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2978 when calling simplify_subreg. This is needed to allow replacing
2979 of expression of one mode by expression of different mode.
2981 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2983 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2985 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2987 * expr.c (protect_from_queue): Protect against subsequent calls to
2989 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2992 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2994 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2996 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2998 * gccbug.in (CATEGORIES): Add "bootstrap".
3000 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3002 * simplify-rtx.c (simplify_subreg): Break out from ...
3003 * combine.c (combine_splify_rtx) ... here and ...
3004 * recog.c (validate_replace_rtx_1): ... here;
3005 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3006 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3007 (subreg_lowpart_p): ... here.
3009 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3011 * stmt.c (expand_asm_operands): For inout operands, make sure
3012 the substitution of '=' for '+' makes it into the rtl.
3014 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3015 (reload_as_needed): Call update_eliminable_offsets a bit later.
3017 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3019 * gcc.texi (gccbug): Refer to the web pages for detailed information
3022 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3024 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3026 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3027 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3028 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
3029 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
3030 * cross-make: Don't set LIBGCC1.
3031 * mklibgcc.in: Delete all code for building from libgcc1.c.
3032 Always honor LIB1ASMFUNCS if set.
3034 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3035 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3036 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3037 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3038 config/i386/uwin.asm, config/m68hc11/larith.asm,
3039 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3040 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3041 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3042 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3043 Delete or update references to libgcc1 in commentary.
3045 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3046 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3047 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3048 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3049 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3050 config/arm/t-semi, config/arm/t-strongarm-coff,
3051 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3052 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3053 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3054 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3055 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3056 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3057 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3058 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3059 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3060 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3061 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3062 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3063 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3064 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3065 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3066 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3067 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3068 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3069 config/mips/t-ultrix, config/mn10200/t-mn10200,
3070 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3071 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3072 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3073 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3074 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3075 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3076 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3077 config/sparc/t-sparclite, config/sparc/t-splet,
3078 config/sparc/t-sunos41, config/sparc/t-vxsparc,
3079 config/sparc/t-vxsparc64, config/v850/t-v850:
3080 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3082 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3083 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3084 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3085 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3086 nongcc_SI_type, nongcc_word_type, or perform_*
3087 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3089 * config/i386/386bsd.h, config/i386/beos-elf.h,
3090 config/i386/linux-aout.h, config/i386/linux-oldld.h,
3091 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3092 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3093 Don't include i386/perform.h.
3095 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3096 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3097 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3098 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3099 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3100 config/vax/t-openbsd, config/vax/t-vax: Delete.
3102 * config.gcc: Remove references to deleted files.
3103 (arm-semi-aof): Use arm/t-semi for tmake_file.
3105 * gcc.texi, install.texi, invoke.texi, tm.texi:
3106 Delete or rewrite text which is no longer relevant now that
3107 libgcc1 no longer exists.
3109 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3110 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3112 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3113 Bruce Korb <bkorb@gnu.org>
3115 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3118 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3120 * i386.md: Add two peepholes to clean up code generated by
3123 2001-05-16 Richard Henderson <rth@redhat.com>
3125 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3126 variants of non-absolute encodings.
3128 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3130 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3131 __register_frame_info_table_bases): Export.
3133 2001-05-16 Richard Henderson <rth@redhat.com>
3135 * except.c (eh_data_format_name): Move to ...
3136 * dwarf2asm.c: ... here. Use designated initializers if available.
3137 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3138 * dwarf2asm.h: Update declarations.
3139 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3140 ASM_PREFERRED_EH_DATA_FORMAT.
3141 (output_call_frame_info): Likewise. Use 'L' augmentation for
3144 * unwind-dw2-fde.h (struct fde_vector): New.
3145 (struct old_object): Rename from struct object.
3146 (struct object): New.
3147 (__register_frame_info_bases): Declare.
3148 (__register_frame_info_table_bases): Declare.
3149 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3150 * unwind-dw2-fde.c (objects): Remove.
3151 (unseen_objects, seen_objects): New.
3152 (__register_frame_info_bases): New.
3153 (__register_frame_info): Use it.
3154 (__register_frame_info_table_bases): New.
3155 (__register_frame_info_table): Use it.
3156 (__deregister_frame_info): Rewrite for changed object struct.
3157 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3158 (fde_unencoded_compare): Rename from fde_compare; uninline.
3159 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3160 (start_fde_sort): Adjust for new definition of fde_vector.
3161 (fde_insert): Likewise.
3162 (end_fde_sort): Likewise. Select comparison function based
3163 on properties of the object.
3164 (fde_split): Take object and fde_compare_t arguments.
3165 (frame_heapsort, fde_merge): Likewise.
3166 (classify_object_over_fdes): Rename from count_fdes. Handle
3167 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3169 (add_fdes): Handle encoded pointers.
3170 (init_object): Rename from frame_init. Update for new struct object.
3171 (linear_search_fdes): Rename from search_fdes. Handle encoded
3173 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3174 (binary_search_single_encoding_fdes): New.
3175 (binary_search_mixed_encoding_fdes): New.
3176 (search_object): New.
3177 (_Unwind_Find_FDE): Update for new struct object. Fill in
3179 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3180 iterating over EH data.
3181 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3182 fde_encoding, lsda_encoding.
3183 (read_uleb128, read_sleb128): Remove.
3184 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3185 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3186 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3188 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3190 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3192 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3193 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3194 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3195 cpp_spell_token, cpp_output_token): Similarly.
3196 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3197 do_pragma_poison, parse_assertion, do_assert): Similarly.
3198 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3199 save_parameter, _cpp_create_definition, check_trad_stringification,
3200 cpp_macro_definition): Similarly.
3201 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3202 * c-lex.c (cb_undef, c_lex): Similarly.
3203 * fix-header.c (recognized_function): Similarly.
3204 * cpplib.h (NODE_LEN, NODE_NAME): New.
3205 (cpp_hashnode): Rename length len.
3207 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3209 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3212 2001-05-16 Andreas Jaeger <aj@suse.de>
3214 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3216 * toplev.c: Include dwarf2asm.h for prototype of
3217 dw2_output_indirect_constants.
3219 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3221 * stmt.c (expand_asm_operands): Be able to offload addressof
3222 expression to memory. (PR optimization/185)
3224 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3226 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3227 applying distributive law.
3229 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3231 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3233 * gthr-dce.h (UNUSED): Attribute unused macro.
3234 (__gthread_key_dtor): Make arguments UNUSED.
3235 (__gthread_key_delete): Revise for compatibility with DRAFT4
3238 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3240 * doc/install.texi: Update AIX information.
3241 * README.RS6000: Remove obsolete file.
3243 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3244 Nathan Sidwell <nathan@codesourcery.com>
3246 * gcc.c (give_switch): Don't write before start of string.
3247 Always append suffix.
3249 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3251 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3254 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3256 * README.ALTOS: Remove obsolete file.
3258 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3260 * c-lex.h (save_and_forget_protocol_qualifiers,
3261 forget_protocol_qualifiers, remember_protocol_qualifiers):
3262 Remove deleted functions' prototypes.
3264 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3266 * c-parse.in (methodtype): New production.
3267 (methoddef, methodproto): Collapse separate '-' and '+'
3270 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3272 * c-common.h (RID_FIRST_PQ): New.
3273 * c-parse.in (objc_pq_context): New.
3274 (objc parser): Set objc_pq_context rather than calling
3275 remember_protocol_qualifiers and forget_protocol_qualifiers.
3276 Don't call save_and_forget_protocol_qualifiers.
3277 (yylexname): Handle objc protocol qualifiers here.
3278 * stringpool.c (struct str_header): Replace with sp_hashnode.
3279 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3280 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3281 Allocate an IDENTIFIER_NODE for each identifier.
3282 (FORALL_STRINGS, set_identifier): Delete.
3283 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3284 (ggc_alloc_string): Use an obstack.
3285 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3286 * tree.h: Update comments.
3287 (set_identifier): Delete.
3288 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3289 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3290 remember_protocol_qualifiers): Delete.
3292 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3294 * flow.c (life_analysis): After life analysis is complete, do
3295 an optional scan over insns looking for REG_LABEL notes that
3296 reference a deleted label.
3297 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3298 before peeking at LABEL_NUSES.
3300 2001-05-15 Richard Henderson <rth@redhat.com>
3302 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3303 (_Unwind_GetTextRelBase): New.
3305 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3307 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3309 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3311 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3312 so that CHOOSE_SECTION gets used.
3314 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3315 TARGET_RELOCATABLE like flag_pic for now.
3317 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3319 * rs6000.md (movdi splitter): Sign extend more efficiently.
3320 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3321 to "long long" valid on 32-bit and 64-bit hosts.
3322 (logical_operand): Cast trunc_int_for_mode return value.
3323 (rs6000_emit_move): Shift macro to encapsulate variable.
3324 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3325 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3326 plus_constant requires signed argument.
3328 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3330 * gthr-posix.h: Make additional pthread-* functions weak.
3332 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3334 * recog.c (apply_change_group): Avoid unneeded validating.
3336 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3338 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3339 (num_insns_constant): CONST_INT can be 64-bits.
3341 2001-05-14 Stan Shebs <shebs@apple.com>
3343 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3344 (LIBGCC_SPEC): Don't define.
3346 2001-05-14 Richard Henderson <rth@redhat.com>
3348 * configure.in (gcc_cv_as_eh_frame): New test.
3349 * config.in, configure: Rebuild.
3350 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3352 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3354 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3355 extended precision divide.
3357 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3359 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3360 for RETURNS as well.
3362 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3364 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3365 (CPP_CPU??_SIZE_TYPE): New.
3366 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3367 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3368 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3369 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3371 * i386.c (override_options): Add sorry about not suported modes.
3373 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3375 * config/pa/som.h (NM_FLAGS): Remove.
3376 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3377 (ASM_OUTPUT_SECTION_NAME): Remove.
3378 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3380 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3382 * regrename.c (regrename_optimize): Do not rename registers to
3385 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3387 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3388 contain MEMs. Remove useless distinction about clobbering
3391 2001-05-13 Geoff Keating <geoffk@redhat.com>
3393 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3394 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3395 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3396 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3397 (EXCEPTION_SECTION): Define.
3399 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3401 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3402 binary backward compat only.
3403 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3404 in LIB2FUNCS. Pass it to mklibgcc.
3405 * mklibgcc.in: Handle LIB2FUNCS_ST.
3407 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3409 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3411 * tm.texi (THREAD_MODEL_SPEC): Document it.
3412 * gcc.c (main): Use it.
3413 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3414 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3416 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3418 * rtl.h (SYMBOL_REF_WEAK): New macro.
3419 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3420 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3421 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3422 * gcc.texi: Remove wrong description.
3424 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3426 * Makefile.in (STAMP): New macro.
3427 Replace all uses of `touch' with $(STAMP).
3428 * fixinc/Makefile.in: Likewise.
3430 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3432 * configure.in: ldopen is never in -lexc, so don't test for it.
3433 Add test for exc_resume in -lexc for Ada.
3434 * configure: Regenerated.
3436 2001-05-12 Richard Henderson <rth@redhat.com>
3438 * dwarf2asm.c (size_of_encoded_value): New function.
3439 * dwarf2asm.h: Declare it.
3440 * except.c (output_function_exception_table): Align the TType
3441 array only as wide as the encoding.
3443 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3445 * extend.texi: Document #pragma GCC java_exceptions.
3447 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3449 * c-parse.in (bison parser, init_reswords): Remove uses of
3451 * c-tree.h (doing_objc_thang): Remove.
3453 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3456 about files not ending in newlines.
3458 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3460 * dwarfout.c (dwarfout_init): Add cast.
3461 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3462 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3464 * method.c (build_mangled_C99_name): Remove unused prototype.
3466 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3468 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3470 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3472 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3473 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3475 2001-05-11 Richard Henderson <rth@redhat.com>
3477 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3478 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3479 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3480 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3481 (dw2_output_indirect_constants): Prototype.
3482 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3483 current_function_func_begin_label if we'll need it for EH. Exit
3484 early for IA64_UNWIND_INFO.
3485 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3486 (eh_data_format_name): Update for indirect references.
3487 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3488 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3489 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3490 define HAVE_eh_return etc.
3491 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3492 (final_end_function): Don't call output_function_exception_table.
3493 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3494 (rest_of_compilation): Invoke output_function_exception_table
3495 for ia64 before assemble_end_function.
3496 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3497 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3499 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3500 * unwind.h: Declare them.
3501 * libgcc-std.ver: Export them.
3502 * unwind-pe.h: New file.
3504 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3506 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3508 (find_fde_for_dso): Extract DT_PLTGOT.
3509 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3510 the segment and gp as well.
3511 * config/ia64/frame-ia64.c: Remove file.
3512 * config/ia64/frame-ia64.h: Remove file.
3513 * config/ia64/unwind-ia64.c: New file.
3514 * config/ia64/unwind-ia64.h: New file.
3515 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3516 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3517 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3518 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3519 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3520 (IA64_UNWIND_INFO): Re-enable.
3521 (HANDLER_SECTION): Remove.
3522 (EH_RETURN_DATA_REGNO): New.
3523 * config/ia64/ia64.md (exception_receiver): Remove.
3524 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3525 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3527 2001-05-11 Richard Henderson <rth@redhat.com>
3529 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3530 calls and jumps to be bundled together.
3531 (ia64_reorg): Emit a break after a noreturn call that ends
3533 * config/ia64/ia64.md (break_f): New.
3535 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3537 * c-lex.c (lex_charconst): Convert into a simple wrapper
3538 around cpp_interpret_charconst, to which most of the code
3540 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3541 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3542 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3543 (lex): Use cpp_interpret_charconst.
3544 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3545 hex_digit_value): New functions.
3546 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3547 * cpplib.h (cpp_interpret_charconst): New prototype.
3548 * Makefile.in: Update.
3550 2001-05-12 Dean Wakerley <dean@wakerley.com>
3552 * doc/install.texi: New file. Converted to texinfo from the HTML
3553 documentation in wwwdocs/htdocs/install.
3555 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3557 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3558 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3560 * toplev.c (compile_file): Move comment for opening output
3561 file to just before the code that opens the output file.
3563 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3565 * regmove.c (regmove_optimize): Suppress the optimization for
3566 unchanging destination register. Add comment above function.
3568 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3570 * Makefile.in: Exterminate all references to assert.h.
3571 * cross-make: Likewise.
3573 * configure.in: Correct commentary.
3574 * configure: Regenerate.
3576 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3579 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3580 config/t-netbsd, config/t-rtems, config/x-linux,
3581 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3582 No need to override INSTALL_ASSERT_H.
3584 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3585 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3586 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3588 2001-05-11 Graham Stott <grahams@redhat.com>
3590 * combine.c (simplify_comparison): Fix typo.
3592 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3594 * loop.h (struct movables): Remove `num'.
3595 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3596 Adjust call to strength_reduce.
3597 (num_unmoved_movables): New function.
3598 (move_movables): Don't set movables->num.
3599 (strength_reduce): Compute the number of instructions in the loop
3600 here, rather than in the caller.
3601 (check_dbra_loop): Always clear reversible_mem_store if there
3602 are any memory sets.
3603 (loop_regs_scan): Don't count instructions here.
3604 (count_insn_in_loop): New function.
3606 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3608 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3610 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3612 * c-common.c (finish_label_expr): New function, lifted from
3613 from cp/semantics.c.
3614 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3615 * c-parse.in: Move 3 blocks of parser code into new functions.
3616 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3617 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3618 (lookup_label): Remove.
3620 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3622 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3623 FLOAT_BIT_ORDER_MISMATCH.
3625 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3627 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3628 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3630 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3632 * expr.c (emit_group_load): extract_bit_field requires a REG or
3635 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3637 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3638 a computed jump into an unconditional jump.
3639 In second hunk of code for collapsing computed and conditional jumps
3640 into unconditional jumps, reemit the jump in additional cases.
3642 * jump.c (jump_optimize_1): Do not wrap the new jump target
3643 inside a LABEL_REF; gen_jump will do that automatically.
3645 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3647 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3648 contents for a SYMBOL_REF in case of floating point constants.
3650 2001-05-10 DJ Delorie <dj@redhat.com>
3652 * c-common.c (combine_strings): Widen strings in a
3653 host-endian-independent way.
3655 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3657 * c-parse.in: Remove many shift/reduce conflicts. Update
3659 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3660 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3661 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3662 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3663 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3664 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3665 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3666 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3667 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3668 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3669 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3670 typespec_reserved_nonattr, typespec_reserved_attr,
3671 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3672 structsp_nonattr, components_notype, component_notype_declarator,
3673 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3674 firstparm, setspecs_fp): New
3675 (typed_declspecs, reserved_declspecs, typed_typespecs,
3676 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3677 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3678 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3679 type_quals): Remove. Users updated.
3680 (initdecls, notype_initdecls, after_type_declarator,
3681 parm_declarator, notype_declarator, absdcl1, components, ivars):
3682 Don't allow attributes at the start of a declarator; include them
3683 in the production containing the declarator instead. Always
3684 require type specifiers before trying to redeclare a typedef name.
3685 (typename): Allow for attributes but warn that they are ignored.
3686 (parmlist, firstparm, setspecs_fp): Include attributes in
3687 parmlist; suck them off the parser stack in firstparm using
3690 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3692 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3693 to determine if a block has an unconditional jump at its end.
3695 * jump.c (jump_optimize_1): When converting a conditional jump
3696 to an unconditional jump, build the jump using gen_jump instead
3697 of just modify operands in-place.
3699 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3701 * cppinit.c (cpp_post_options): Shut off macro expansion if
3703 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3704 IN_I directives only if the # is in column 1 and the directive
3705 name begins in column 2.
3706 * cppmain.c (scan_buffer): Insert a space between # and an
3707 identifier, when that identifier is a directive name.
3709 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3710 in the header search path.
3711 (enum node_type): Add T_INCLUDE_NEXT.
3712 (directive_table): Add entry for include_next.
3713 (do_include_next): New function.
3714 (process_include): New routine, broken out of do_include.
3715 (finclude): Insert 'nhd' argument, to be copied into
3716 next_header_dir of the new buffer.
3717 (main): Adjust to match.
3718 * gsyslimits.h, limity.h: Un-indent #include_next.
3720 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3722 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3723 inclusion as a chapter of the GCC manual.
3724 * gcc.texi: Include objc.texi.
3725 * fdl.texi: Use @unnumberedsec for the addendum.
3726 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3728 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3730 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3732 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3734 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3735 handling of two-address insns.
3737 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3739 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3740 ../binutils/nm-new instead of ../binutils/nm.
3742 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3744 * i386.md (movdi splitter): Fix the splitting condition
3745 (float_extenddftf splitter): Fix mode.
3747 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3749 * genrecog.c (write_switch): Avoid outputting of switch for
3750 types wider than int.
3752 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3754 * reload1.c (copy_eh_notes): New function.
3755 (emit_input_reload_insns): Call it.
3756 (emit_output_reload_insns): Call it.
3758 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3760 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3762 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3763 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3765 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3767 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3769 * pa.md (interspace_jump): Revise comment.
3770 (builtin_longjmp): Block initial setup insns from delay slot of
3772 (builtin_setjmp_receiver): New expander to save and restore PIC
3775 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3777 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3779 * toplev.c (compile_file): Set up the output file before we call
3780 the various initializers for the compiler.
3782 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3783 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3785 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3786 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3788 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3790 * Makefile.in (tradcpp0): Correct typo in dependency list.
3792 2001-05-06 Geoff Keating <geoffk@redhat.com>
3794 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3795 the link register if we're not going to use it.
3797 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3798 (output_function_profiler): Likewise.
3800 2001-05-07 Alan Modra <amodra@one.net.au>
3802 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3804 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3806 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3807 zero-extend it. Make abs_inc unsigned.
3809 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3810 widest mode in narrowing and widening operations.
3812 * config/mips/mips.md: Sign extend CONST_INTs.
3814 2001-05-06 Andreas Jaeger <aj@suse.de>
3816 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3817 (i386 Options): Document -momit-leaf-frame-pointer.
3819 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3821 * c-typeck.c (internal_build_compound_expr): Check for
3822 array to pointer conversion just once.
3824 2001-05-05 Richard Henderson <rth@redhat.com>
3826 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3828 2001-05-05 Richard Henderson <rth@redhat.com>
3830 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3831 to the parent of the fixup region.
3833 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3835 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3837 * cpp.texi (__NO_INLINE): Document it.
3839 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3841 * cppfiles.c (struct include_file): New member err_no.
3842 (find_or_create_entry): Set it.
3843 (open_file): Don't set fds to -2. Instead, use err_no to
3844 remember previous errors, if any.
3846 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3848 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3849 between X and Y by using sequences of xgdx and xgdy.
3851 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3853 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3854 of '!' for the 'D' alternative ('!' is too strong).
3855 ("*logicalsi3_silshl16"): Likewise.
3856 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3857 ("movstrictsi"): Remove spurious '+'.
3858 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3859 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3860 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3863 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3865 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3867 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3869 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3872 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3874 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3877 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3879 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3880 soft register, use ror instead of rol.
3882 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3884 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3885 into account pre/post increment decrement for 68HC12.
3886 Fix other problems in replacement and fix call to reg_mentioned_p.
3888 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3890 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3891 Put the soft registers in bss for 68HC12.
3892 (L_regs_d3_4): New for _.d3 and _.d4.
3893 (L_regs_d5_6): Likewise.
3894 (L_regs_d1_2): Likewise.
3895 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3897 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3899 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3900 to the pre-processor when -fshort-double is specified.
3901 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3903 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3905 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3906 (__mulsi3): Rewrite for 68HC12.
3907 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3908 Mark 'x' constraint with earlyclobber to prevent a
3909 RELOAD_FOR_OTHER_ADDRESS to go in it.
3910 (mulhi3_m68hc12): New pattern.
3911 (mulhi3_m68hc11): Rename of mulhi3.
3912 (mulhi3): New expand for 68HC12 optimisation.
3913 (umulhisi3, mulhisi3): New patterns for 68HC12.
3915 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3917 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3918 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3919 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3921 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3923 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3924 constants cheap after reload.
3925 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3927 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3928 so that gcc prefers a shift by 16.
3929 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3931 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3933 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3935 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3937 * alpha.h: NULL_PTR -> NULL.
3944 * i386.md: Likewise.
3947 * m68hc11.h: Likewise.
3948 * rs6000.h: Likewise.
3951 * sparc.h: Likewise.
3955 * final.c: Likewise.
3957 * recog.c: Likewise.
3959 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3961 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3962 `bool' parameter to `int'.
3964 * hash.c (hash_lookup): Likewise.
3966 * hash.h (hash_lookup): Likewise.
3968 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3970 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3972 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3974 2001-05-03 Geoff Keating <geoffk@redhat.com>
3976 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3977 -malign-loops, -malign-functions.
3978 * i386.c (ix86_align_funcs): Delete.
3979 (ix86_align_loops): Delete.
3980 (ix86_align_jumps): Delete.
3981 (override_options): Mark -malign-* as obsolete. Emulate their
3982 behaviour with the -falign-* options. Default -falign-* from
3983 the processor table.
3984 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3985 patch of Wed May 2 13:09:36 2001.
3986 (LOOP_ALIGN): Delete.
3987 (LOOP_ALIGN_MAX_SKIP): Delete.
3988 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3989 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3991 2001-05-04 Andreas Jaeger <aj@suse.de>
3993 * except.h: Add prototype declaration for
3994 expand_builtin_init_dwarf_reg_sizes.
3996 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3998 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4000 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4002 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4004 ("bitcmpqi2"): New pattern for bit-extract and test.
4005 ("bitcmphi"): New pattern for bitb/bita instructions.
4007 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
4009 * gccbug.in: Use a temporary directory when the mktemp command is
4012 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4014 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4016 (INITIALIZE_TRAMPOLINE): Call it.
4017 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4018 (TRAMPOLINE_TEMPLATE): Remove.
4019 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4020 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4023 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4025 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
4026 and crtendS.o with PIC.
4028 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4030 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4032 (___subdi3, ___adddi3): Use x instead of y as index register.
4033 (__init_bss_section, __map_data_section): Optimize for 68HC12.
4034 (__memset, __memcpy): Likewise.
4035 (regs): Put the soft registers in bss for 68HC12.
4036 (abort): Use trap to abort for 68hc12.
4037 (__mulhi3, __mulhi32): Use emul for 68hc12.
4038 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4040 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4042 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4043 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4044 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4045 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4046 Set 68HC12 min offset to -65536.
4047 (print_operand): Put parenthesis arround the operand if it refers
4048 to a symbol having the same name as a register.
4049 (m68hc11_z_replacement): When z register is replaced by its
4050 equivalent soft register, force the insn to be re-recognized.
4051 (m68hc11_check_z_replacement): Fix the test when destination is
4052 the index register and z dies in the insn.
4053 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4055 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4057 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4058 costs according to processor variant.
4059 (m68hc11_shift_cost): New function to compute shift costs.
4060 (m68hc11_rtx_costs): Define costs according to processor variant.
4061 (m6811_cost): Costs for 68HC11.
4062 (m6812_cost): Costs for 68HC12.
4063 (COSTS_N_INSNS): Remove.
4065 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4066 (DEFAULT_RTX_COSTS): Remove.
4067 (CONST_COSTS): Define costs according to OUTER_CODE.
4068 (processor_costs): New struct to define costs.
4069 (m68hc11_cost): Pointer to current costs.
4071 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4073 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4074 and use m68hc11_notice_keep_cc when using leax/leay.
4075 (addhi3 split): Reject split if the insn is handled by
4077 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4078 push must be handled in a special way if the source operand uses
4079 sp as index register.
4080 (m68hc11_notice_keep_cc): New function.
4081 (m68hc11_gen_movhi): Use it when an insn changes a register but
4083 (m68hc11_gen_movqi): Fix move for 68HC12.
4084 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4086 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4088 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4089 and don't pass operands[0] to emit_library_call_value.
4091 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4093 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4094 (zero_extendsi split): Simplify and use (zero_extendhi).
4095 (*addhi3): Remove 'w' constraint since stack pointer is handled
4097 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4098 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4099 (*ashrhi3_const): Fix shift by 7.
4100 (*lshrsi3_const16): Fix template.
4101 (call, call_value): Fix constraint and predicate.
4103 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4105 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4106 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4107 (CC_REGNUM): Likewise.
4108 (*unnamed splits): Use above constants instead of hard coded numbers.
4109 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4110 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4111 (*return_16bit, *unnamed peepholes): Likewise.
4113 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4115 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4116 rs6000/rs6000.h twice.
4118 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4120 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4121 (CPP_SPEC): Conditionally define MSDOS and GO32.
4122 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4123 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4125 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4127 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4129 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4131 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4133 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4134 * integrate.c (expand_inline_function): Use xcalloc to allocate
4136 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4139 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4141 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4144 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4146 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4147 linker if -mrelax is given.
4148 (TARGET_SWITCHES): Document -mrelax.
4150 Re-installed 2001-01-09's patch:
4151 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4152 if it's wider than long and the target's long is wider than the
4155 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4157 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4158 directly include rs6000/rs6000.h. Instead do it in tm.h.
4160 2001-05-02 Stan Shebs <shebs@apple.com>
4162 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4163 NSConstantString for NeXT-style runtimes.
4164 (STRING_OBJECT_GLOBAL_NAME): New macro.
4165 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4166 OCTI_STRING_CLASS_DECL.
4167 (constant_string_global_id): New macro.
4168 (string_class_decl): Ditto.
4169 (setup_string_decl): New function.
4170 (build_objc_string_object): Use it to build a NeXT runtime
4171 compatible string initializer.
4173 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4175 * tradcpp.c (do_define): Make sure we don't walk past limit.
4177 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4179 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4180 offsets if not REG_OK_STRICT.
4182 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4183 (INT_REG_OK_FOR_INDEX_P): Likewise.
4184 (INT_REG_OK_FOR_BASE_P): Likewise.
4185 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4186 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4187 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4188 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4189 REG_OK_FOR_BASE_P. Take an additional parameter.
4190 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4191 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4192 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4193 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4194 rs6000_legitimate_address() and use it.
4195 * config/rs6000/rs6000.c: Update all callers.
4196 (rs6000_legitimate_address): New function.
4198 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4200 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4201 special_constant conditional blocks together.
4203 2001-05-02 Dale Johannesen <dalej@apple.com>
4205 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4207 (STRICT_ARGUMENT_NAMING): Define.
4208 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4209 function_arg_partial_nregs, setup_incoming_varargs): Remove
4210 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4213 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4215 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4217 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4220 * expr.c (store_field): Do nothing except elaborate side-effects if
4223 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4225 * c-lex.c: NULL_PTR -> NULL.
4227 * emit-rtl.c: Likewise.
4229 * genpeep.c: Likewise.
4231 * mips-tdump.c: Likewise.
4232 * reload1.c: Likewise.
4233 * rtlanal.c: Likewise.
4235 * stor-layout.c: Likewise.
4236 * toplev.c: Likewise.
4238 2001-05-01 Per Bothner <per@bothner.com>
4240 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4241 call do_pending_stack_adjust before emiting label.
4243 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4245 * extend.texi: Fix typo.
4247 2001-05-01 Stan Shebs <shebs@apple.com>
4249 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4250 of UOBJC_MODULES_decl.
4251 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4252 (generate_descriptor_table): Ditto.
4253 (generate_protocols): Ditto.
4254 (generate_protocol_list): Ditto.
4255 (generate_classref_translation_entry): Ditto.
4257 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4259 * invoke.texi (Optimize Options): Add documentation for `--param
4260 max-delay-slot-insn-search' and `--param
4261 max-delay-slot-live-search' and reorder --param section.
4262 * params.def: Modify initial comment.
4263 * params.h (param_info): Add `help' member.
4264 * toplev.c (lang_independent_params): Include `help' description.
4265 (display_help): Print --param parameters.
4267 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4269 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4270 Remove references to deleted files.
4271 (*-*-openbsd): No need to override xmake_file.
4272 (*-*-sysv4): Treat like *-*-sysv.
4274 * configure.in: Probe for ldopen in various places, and set up
4275 collect2 to be linked with them if found.
4276 Don't dink with Windows registry stuff unless $host_os is a
4277 Win32 os name. Check to see if we need -ladvapi32.
4278 * configure: Regenerate.
4280 * Makefile: Get rid of CLIB and HOST_CLIB.
4281 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4282 * build-make: Get rid of HOST_CLIB.
4284 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4285 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4286 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4287 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4288 config/rs6000/x-rs6000: Delete.
4290 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4293 24 x-host fragments remain, 0 x-cpu, 3 top level.
4295 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4297 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4298 * configure: Regenerate.
4300 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4302 * Makefile.in (install-headers): Remove redundant dependency.
4304 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4306 * c-tree.texi (USING_STMT): Document.
4308 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4310 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4311 * c-common.c: Likewise.
4312 * c-decl.c: Likewise.
4313 * combine.c: Likewise.
4314 * rs6000.c: Likewise.
4315 * except.c: Likewise.
4316 * explow.c: Likewise.
4318 * fold-const.c: Likewise.
4319 * function.c: Likewise.
4322 * integrate.c: Likewise.
4324 * objc/objc-act.c: Likewise.
4325 * recog.c: Likewise.
4326 * reg-stack.c: Likewise.
4327 * reload.c: Likewise.
4328 * reload1.c: Likewise.
4329 * simplify-rtx.c: Likewise.
4331 * varasm.c: Likewise.
4333 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4335 * diagnostic.def: New file.
4336 * diagnostic.h (diagnostic_t): New enum.
4337 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4339 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4341 * tsystem.h: Test only POSIX for availability of string.h
4343 * config.gcc (all systems): If USG appeared in xm_defines,
4344 change it to POSIX. If both USG and POSIX appeared, just
4345 delete USG. Remove unnecessary quotes around xm_defines
4347 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4348 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4349 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4350 powerpc-*-linux*): No need to set xm_defines - handled by
4351 global settings for *-*-linux*.
4353 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4355 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4356 Always include gstab.h, not system stab.h. Don't provide
4357 default definitions of N_CATCH or N_OPT. Always use the
4358 gstab.h variant of STAB_CODE_TYPE.
4359 * final.c: Don't include stab.h/gstab.h at all, or provide
4360 defaults for N_SLINE and N_SOL.
4362 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4363 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4365 * sdbout.c: Always include gsyms.h instead of system syms.h.
4367 * configure.in: No need to check for stab.h.
4368 * configure, config.in: Regenerate.
4369 * Makefile.in (final.o): Don't depend on gstab.h.
4371 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4372 Richard Henderson <rth@redhat.com>
4374 * extend.texi: Improve documentation of volatile asms.
4376 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4378 * c-tree.texi: Fix thinko.
4379 * gcc.texi: Likewise.
4381 2001-04-30 Richard Henderson <rth@redhat.com>
4383 * c-common.c (c_promoting_integer_type_p): New function, from the
4384 corpse of old macro. Properly promote too-small enumerations and
4385 booleans. Adjust all callers.
4386 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4387 (c_promoting_integer_type_p): Declare.
4388 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4389 * c-typeck.c: Likewise.
4390 (default_conversion): Remove now redundant boolean check.
4392 2001-04-30 Jan Hubicka <jh@suse.cz>
4393 Richard Henderson <rth@redhat.com>
4395 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4397 (combine_stack_adjustments_for_block): Don't combine stack
4398 allocation followed by deallocations. Handle grow-up stacks.
4400 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4402 * fdl.texi: New file.
4403 * c-tree.texi: Use the GFDL.
4404 * gcc.texi: Likewise.
4406 2001-04-30 Stan Shebs <shebs@apple.com>
4408 * invoke.texi: Add a section documenting Objective-C options.
4410 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4412 * emit-rtl.c (try_split): Copy EH notes to sequence.
4414 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4416 * regmove.c (record_stack_memrefs): Catch all references to the
4419 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4421 * Makefile.in (stmp-fixinc): quote shell assignment values
4423 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4425 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4429 * prefix.c: Likewise.
4431 2001-04-28 Stan Shebs <shebs@apple.com>
4433 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4434 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4435 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4436 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4438 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4439 (NEXT_OBJC_RUNTIME): Define.
4441 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4443 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4444 * simplify-rtx.c (simplify_gen_relational): Likewise.
4446 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4448 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4449 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4451 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4452 registers in SSE case; fix handling of the immediates.
4453 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4454 operands to be in regsiters before reload.
4455 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4456 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4457 (abstf,absxf,negtf,negxf splitters): Compute
4458 properly the regnum for x86_64.
4459 (avsdf2_if_rex64): New.
4461 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4463 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4464 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4465 into the constant pool.
4466 * jump.c (jump_optimize_1): Remove barrier successors after all
4467 the LABEL_NUSES counds have been computed.
4468 (delete_barrier_successors): When deleting a tablejump insn, also
4469 delete the jump table it uses.
4470 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4473 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4475 * pa.c (FRP): Remove erroneous white space in macro definition.
4477 2001-04-28 Andreas Jaeger <aj@suse.de>
4479 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4481 * extend.texi: Likewise.
4482 * tm.texi: Likewise.
4484 2001-04-28 Andreas Jaeger <aj@suse.de>
4486 * md.texi: Use XX-bit instead of XXbit or XX bit where
4489 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4491 * gcc.c (process_command): Allow -l lib in addition to -llib
4492 for POSIX compliance. This fixes PR c/2347.
4494 * invoke.texi: Update section on Link Options accordingly.
4496 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4498 * function.c (purge_addressof_1): Remove the duplicate
4499 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4502 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4504 * except.c (expand_eh_region_start): Don't start a new block.
4505 (expand_eh_region_end): Don't end a block.
4506 * stmt.c (expand_end_bindings): Don't end EH blocks.
4507 (expand_decl_cleanup): Starting an EH region won't change the block.
4508 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4509 (is_eh_region): Lose.
4512 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4514 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4516 * collect2.c (main): Add `-L' case to remove duplicate entries.
4517 (is_in_args): New function to check for a duplicate argument.
4518 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4519 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4520 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4521 Define to be nonzero.
4523 2001-04-27 Andreas Jaeger <aj@suse.de>
4524 Richard Henderson <rth@redhat.com>
4526 * md.texi (Machine Constraints): Document additional i386
4527 constraints and fix description of "A".
4529 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4531 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4533 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4535 * except.c (get_exception_filter): word_mode, not Pmode.
4537 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4539 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4540 common to other movsf patterns. Move up so that in future
4541 people who change the other patterns will change it too.
4542 (movsf_lo_sum): Allow even for soft-float; add appropriate
4544 (movsf_high): Likewise.
4545 (movsf_high+1): Allow even for soft-float.
4547 * function.c (expand_function_end): Always clobber the
4548 return registers, even if there is no return label.
4550 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4552 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4554 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4556 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4557 (pushqi2_rex64, pushhi2_rex64): Add.
4559 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4561 * except.c (expand_eh_region_end_cleanup): Force pending stack
4562 adjust before emitting label that branches around cleanup code.
4564 2001-04-26 H.J. Lu (hjl@gnu.org)
4566 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4568 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4570 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4571 (ASM_OUTPUT_SECTION_NAME): Likewise.
4572 (ASM_WEAKEN_LABEL): Likewise.
4573 (UNIQUE_SECTION): Likewise.
4574 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4575 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4576 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4577 (ASM_OUTPUT_SECTION_NAME): Likewise.
4578 (ASM_WEAKEN_LABEL): Likewise.
4579 (UNIQUE_SECTION): Likewise.
4580 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4581 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4582 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4583 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4584 (ASM_FILE_START): Likewise.
4585 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4586 (ASM_DECLARE_OBJECT_NAME): Likewise.
4587 (ASM_FILE_END): Likewise.
4588 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4589 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4590 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4591 (ASM_OUTPUT_CASE_LABEL): Likewise.
4592 (ASM_OUTPUT_SKIP): Likewise.
4593 (ASM_OUTPUT_ASCII): Likewise.
4594 (ASM_OUTPUT_IDENT): Likewise.
4595 (READONLY_DATA_SECTION): Likewise.
4596 (EXTRA_SECTIONS): Likewise.
4597 (EXTRA_SECTION_FUNCTIONS): Likewise.
4598 (SELECT_RTX_SECTION): Likewise.
4599 (SELECT_SECTION): Likewise.
4601 * config/mips/linux.h (INVOKE__main): Undefine.
4602 (CTOR_LIST_BEGIN): Likewise.
4603 (CTOR_LIST_END): Likewise.
4604 (DTOR_LIST_BEGIN): Likewise.
4605 (DTOR_LIST_END): Likewise.
4606 (SET_ASM_OP): Defined it to ".dummy".
4607 (ASM_OUTPUT_DEF): Defined.
4608 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4610 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4612 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4613 assembler supports .p2align.
4615 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4617 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4619 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4621 * integrate.c (expand_inline_function): Check for error_mark_node
4624 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4626 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4629 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4631 * configure.in (configargs.h): Define thread_model.
4632 * configure: Rebuilt.
4633 * gcc.c (main): Print it with -v.
4635 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4637 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4638 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4639 * gcc.1: Regenerate.
4641 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4643 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4644 is_redundant_typedef): Use static inline instead of inline static.
4646 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4648 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4649 this directory is always searched.
4651 2001-04-25 Richard Henderson <rth@redhat.com>
4653 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4654 of registers to restore along non eh_return path.
4656 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4658 * c-format.c (check_format_info_recurse): Handle
4659 PLUS_EXPR for format string.
4661 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4663 * config/ia64/ia64.h (CC1_SPEC): Define.
4664 * config/ia64/linux.h (CC1_SPEC): Define.
4666 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4668 * emit-rtl.c (constant_subword): Also do sign extension in
4669 BITS_PER_WORD == 16 case.
4671 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4673 * loop.c (try_swap_copy_prop): Go back to checking insn.
4675 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4677 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4678 if check_mode is non-zero.
4680 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4682 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4683 out and comparison sequence has been detected, put result into
4684 proper temporary pseudo.
4686 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4688 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4689 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4690 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4691 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4692 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4693 for future reference.
4695 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4697 * except.c (reachable_handlers): Step out one level from a RESX.
4699 * except.c (struct eh_region): Rename 'last' to 'resume'.
4700 (mark_eh_region, duplicate_eh_region_1): Adjust.
4701 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4702 (build_post_landing_pads): Likewise.
4703 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4704 (expand_eh_region_end_must_not_throw): Likewise.
4705 (connect_post_landing_pads): Thread (only) regions with non-deleted
4708 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4709 registers around the cleanup.
4710 (get_exception_filter): New fn.
4711 (finish_eh_generation): Use it.
4713 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4715 * c-semantics.c (add_scope_stmt): Don't call
4716 current_scope_stmt_stack multiple times.
4718 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4719 Nathan Sidwell <nathan@codesourcery.com>
4721 Lazy __FUNCTION__ generation.
4722 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4723 RID_C99_FUNCTION_NAME): New _RIDs.
4724 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4725 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4726 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4728 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4729 (c99_function_name_decl_node, function_name_decl_node,
4730 pretty_function_name_decl_node, saved_function_name_decls):
4732 (struct language_function): Remove x_function_name_declared_p.
4733 (make_fname_decl): Remove a parameter.
4734 (declare_function_names): Remove prototype.
4735 (start_fname_decls, finish_fname_decls): Prototype.
4736 (fname_as_string): Likewise.
4737 (fname_string, fname_decl): Likewise.
4738 * c-common.c (make_fname_decl): Adjust.
4739 (struct fname_var_t): New struct.
4740 (fname_vars): New static array.
4741 (declare_function_name): Remove.
4742 (start_fname_decls, finish_fname_decls): New functions.
4743 (fname_as_string): New function from remnants of
4744 declare_function_name.
4745 (fname_string, fname_decl): New functions.
4747 * c-decl.c (c_function_name_declared_p): Remove.
4748 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4749 don't call declare_function_name. Call start_fname_decls.
4750 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4751 clobber the line number. Call finish_decl.
4752 (start_function): Call start_fname_decls.
4753 (finish_function): Call finish_fname_decls.
4754 Remove c_function_name_declared_p.
4755 (push_c_function_context): Don't push c_function_name_declared_p.
4756 (pop_c_function_context): Don't pop c_function_name_declared_p.
4757 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4758 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4759 (program): Call finish_fname_decls for C.
4760 (primary): Add VAR_FUNC_NAME.
4761 (reswords): Add slots for __FUNCTION__ et al.
4762 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4763 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4764 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4765 * c-semantics.c (prune_unused_decls): Remove.
4766 (finish_stmt_tree): Don't call prune_unused_decls.
4767 (genrtl_decl_stmt): Don't prune unused decls here.
4769 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4771 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4772 constant pool, use the pool's SYMBOL_REF instead.
4774 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4777 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4779 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4780 passing nested NOP_EXPRs to fold.
4782 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4784 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4786 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4788 * loop.c (loop_delete_insns): Add prototype.
4790 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4792 * configure.in: Remove ENABLE_STD_NAMESPACE.
4793 * config.in: Regenerated.
4794 * configure: Regenerated.
4796 2001-04-22 Stan Shebs <shebs@apple.com>
4798 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4800 * config/rs6000/xm-darwin.h: Remove file.
4802 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4804 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4805 (write_c_file_stat): Likewise.
4807 * dbxout.c (dbxout_init): Likewise.
4809 * profile.c (output_func_start_profiler): Likewise.
4811 2001-04-22 Philipp Thomas <pthomas@suse.de>
4813 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4814 require it instead of the CVS version.
4815 * cpperror.c (v_message): Put a blank before the macro
4816 body to not confuse exgettext.
4818 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4820 * flow.c (proagate_one_insn): Remove useless assignment.
4821 * jump.c (delete_insn): Tidy.
4822 * loop.c (try_copy_prop): When deleting an instruction with a
4823 REG_RETVAL note, delete the entire libcall sequence.
4824 (loop_delete_insns): New function.
4825 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4826 we're not substituting into them yet.
4828 2001-04-21 Kazu Hirata <kazu@hxi.com>
4830 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4832 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4834 * config/i960/i960.c (signed_arith_operand): Likewise.
4836 * calls.c (expand_call): Fix a comment typo.
4838 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4840 * configure.in: Probe for times, clock, struct tms, and clock_t.
4841 * configure, config.in: Regenerate.
4842 * timevar.c: Replace ifdef forest in get_time with (relatively)
4843 straightforward series of checks based on autoconf's probes.
4845 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4847 * config/pa/som.h (NM_FLAGS): Define.
4849 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4851 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4853 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4854 * ia64.c (nop_cycles_until): New function.
4855 (prev_cycle, prev_first, last_issued): New static variables.
4856 (ia64_sched_reorder): Additional arg for clock.
4857 On final scheduling pass, emit extra NOPs as needed.
4858 Set prev_first and prev_cycle.
4859 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4860 (ia64_variable_issue): Set last_issued.
4862 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4864 * config/i386/i386.c (ix86_expand_int_movcc,
4865 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4867 2001-04-20 Geoff Keating <geoffk@redhat.com>
4869 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4870 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4871 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4872 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4873 ctrdi_internal6): In the short-branch case, this insn is only 4
4874 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4876 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4878 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4879 "=u" is used together with "st" resp. "st(1)" clobber.
4881 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4883 * gcse.c (gcse_main): Fix comment typo.
4884 (delete_null_pointer_check): Likewise.
4885 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4886 * cse.c (cse_insn): Likewise.
4887 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4890 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4892 * toplev.c: Excise all code for the undocumented -dm option.
4893 (float_signal): Call signal just once, unconditionally.
4895 2001-04-19 Geoff Keating <geoffk@redhat.com>
4897 * fold-const.c (fold): Use first_rtl_op rather than
4898 TREE_CODE_LENGTH when looping over parameters of a tree.
4899 Correct strange grouping in test for evaluated SAVE_EXPR.
4901 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4903 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4904 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4906 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4907 name at 32 total characters.
4908 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4909 functions in named sections -- data items can still go into unique
4910 sections, but they have normal names (ie $LIT$ and $DATA$).
4912 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4915 2001-04-19 DJ Delorie <dj@redhat.com>
4917 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4918 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4919 * config/i386/cygwin.h: Likewise.
4920 * config/i386/mingw32.h: Likewise.
4921 * config/vax/vms.h: Likewise.
4922 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4924 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4925 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4926 * config/i386/xm-cygwin.h: Likewise.
4927 * config/i386/xm-djgpp.h: Likewise.
4928 * config/i386/xm-mingw32.h: Likewise.
4929 * config/vax/xm-vms.h: Likewise.
4931 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4932 instead of OBJECT_SUFFIX.
4933 * collect2.c (find_a_file): Look for files matching the extension
4934 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4935 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4936 TARGET_EXECUTABLE_SUFFIX.
4937 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4938 (make_relative_prefix): Likewise.
4939 (convert_filename): Use TARGET_ suffixes throughout. Remove
4941 (process_command): Likewise.
4942 (do_spec_1): Likewise.
4943 * java/lang.c (init_parse): Likewise.
4945 * gcc.texi : Document four new options matching the pattern
4946 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4947 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4948 documentation for NO_AUTO_EXE_SUFFIX.
4950 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4952 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4953 that language-independent processing should not be done.
4954 * toplev.c (main): Adjust accordingly.
4956 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4957 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4959 * mips.md (reload_outputdi): Require that operand0 be a
4962 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4964 * invoke.texi (-Wshadow): Clarify.
4966 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4968 * loop.c (load_mems): Examine all the instructions in the loop
4969 before concluding that all jumps branch to the first instruction
4972 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4974 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4976 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4978 * cpp.texi (-Wwhite-space): Remove.
4979 (-Wall): -Wall does not imply -Wwhite-space.
4981 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4983 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4984 use it instead of blindly generating a .stabs.
4985 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4987 * xcoffout.c: Don't bother defining default for N_CATCH.
4988 (UNKNOWN_STAB): Use internal_error.
4989 (stab_to_sclass): Remove now-unnecessary aborts.
4990 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4992 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4994 * jump.c (mark_all_labels): Canonicalize the tail recursion
4995 label attached to CALL_PLACEHOLDER insns.
4997 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4999 * output.h (dump_flow_info, free_basic_block_vars,
5000 which_alternative): Delete redundant prototypes.
5002 * rtl.h (bss_section): Likewise.
5004 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
5006 * dbxout.c (N_OPT): Define if not available from <stab.h>
5008 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5010 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5011 libraries and native K&R compilers.
5013 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5015 * c-typeck.c (convert_arguments): Don't check for width changes
5018 * invoke.texi (-Wtraditional): Update documentation.
5020 2001-04-16 Zack Weinberg <zackw@stanford.edu>
5022 * toplev.c (output_lang_identify): Delete.
5023 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5024 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
5025 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5026 after calling ASM_FILE_END.
5028 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5029 Instead, unconditionally emit an N_OPT stab with string equal
5030 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5032 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5034 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5035 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5036 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5037 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5038 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5039 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5040 config/i370/i370.h, config/i386/beos-elf.h,
5041 config/i386/osf1elf.h, config/i386/osfrose.h,
5042 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5043 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5044 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5045 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5046 config/mips/iris6.h, config/mips/osfrose.h,
5047 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5048 config/sparc/sp64-elf.h:
5049 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5050 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5052 * config/elfos.h, config/freebsd.h, config/linux.h,
5053 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5054 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5055 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5056 of ASM_FILE_START which merely emit a .version directive. Delete
5057 definitions of ASM_FILE_END which merely emit an .ident directive.
5059 * config/avr/avr.h, config/vax/vax.h: Delete definition of
5060 ASM_IDENTIFY_GCC and move part of its logic into
5063 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5064 config/sparc/linux-aout.h: Don't emit .version directive in
5067 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5068 (output_file_start): Correct comment.
5070 * config/i386/osfrose.h: Don't emit trailing .ident directive.
5071 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5073 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5074 * config/rs6000/aix.h: Correct comment.
5076 * config/i386/i386afe.h: Delete.
5077 * config.gcc: Remove references to i386afe.h.
5079 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
5080 other macros deleted by this patch were undocumented.
5082 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
5084 * pa.md (reload_outdi): Operand 0 must be a non hard register.
5086 * pa.c (secondary_reload_class): SAR<->FP copies require a
5089 * install.texi (mips-mips-bsd): Update list of functions
5090 required to include memmove.
5091 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5092 used functions to include memmove.
5094 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
5096 * i386.md (sqrtdf2): SFmode should be DFmode.
5098 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
5100 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5101 (find_moveable_store): Likewise.
5103 2001-04-15 Jim Wilson <wilson@redhat.com>
5105 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5107 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5109 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5110 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5112 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5114 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5117 2001-04-14 Alan Modra <amodra@one.net.au>
5119 * pa.c (force_mode): New function.
5120 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5122 2001-04-13 Jim Wilson <wilson@redhat.com>
5124 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5125 (first_instruction): New static variable.
5126 (rtx_needs_barrier): Return 1 for alloc.
5127 (init_insn_group_barriers): Set first_instruction.
5128 (rws_sum): Delete duplicate definition.
5129 (group_barrier_needed_p): Return 0 when first_instruction true.
5130 (safe_group_barrier_needed_p): Save and restore first_instruction
5131 around group_barrier_needed_p call.
5133 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5135 * expr.h (enum libfunc_index): Add LTI_memmove.
5136 (memmove_libfunc): Define macro.
5137 * optabs.c (init_optabs): Initialize memmove_libfunc.
5138 * expr.c (expand_assignment): Use memmove_libfunc instead of
5141 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5143 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5146 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5148 * Makefile.in (reg-stack.o): Depend on reload.h.
5149 (insn-attrtab.o): Depend on flags.h.
5151 * genattrtab (main): Include flags.h in insn-attrtab.c.
5153 * reg-stack.c: Include reload.h.
5155 * sparc.h (flag_pic): Delete redundant declaration.
5157 * output.h (flag_pic): Likewise.
5159 * tree.h (pedantic): Likewise.
5161 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5163 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5165 * jump.c, regmove.c, toplev.c: Include reload.h.
5167 * reload.h (reload_cse_regs): Declare.
5169 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5170 reload_cse_regs, init_reload, mark_home_live, reload,
5171 init_caller_save): Delete redundant prototypes.
5173 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5175 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5177 * regclass.c, ssa.c: Include expr.h.
5179 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5180 gen_move_insn): Delete redundant declarations.
5182 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5184 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5185 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5186 MAKEINFO and MAKEINFOFLAGS too.
5187 (stage4_build): Correctly order -B flags.
5189 2001-04-13 Alan Modra <amodra@one.net.au>
5191 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5192 PIC_OFFSET_TABLE_SAVE_RTX.
5193 (zdepi_cint_p): Describe zdepi insn.
5194 Formatting and white space fixes throughout file.
5196 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5197 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5198 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5199 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5200 (output_64bit_and): Use plain `int's for shift counts.
5201 (output_64bit_ior): Likewise.
5202 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5203 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5206 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5207 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5208 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5209 NEW_HP_ASSEMBLER into one. Kill warnings.
5211 * pa-gas.h: Delete file.
5212 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5213 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5214 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5215 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5217 * config/pa/mill32.S: New file.
5218 * config/pa/mill64.S: New file.
5219 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5220 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5221 * config/pa/t-linux64: New file.
5222 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5223 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5224 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5226 * elfos.h (SELECT_SECTION): Undef before defining.
5227 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5228 (LIB_SPEC): Remove -lmilli.
5229 (DBX_REGISTER_NUMBER): Remove.
5230 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5231 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5232 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5233 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5234 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5235 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5236 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5237 TARGET_GAS): Define.
5238 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5239 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5240 regs if we don't have a prototype.
5241 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5242 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5243 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5244 EH_RETURN_HANDLER_RTX): Define.
5245 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5246 (DWARF_FRAME_REGNUM): Define.
5247 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5248 * pa32-linux.h: New file.
5249 * pa64-linux.h: New file.
5251 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5252 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5253 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5254 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5255 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5256 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5257 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5258 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5259 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5260 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5261 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5262 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5263 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5264 * pa64-hpux.h: New file.
5265 (ASM_FILE_START): Correct typo.
5266 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5267 * config.gcc: Modify for above.
5269 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5271 * jump.c (jump_optimize_1): Don't delete dead stores here.
5272 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5273 prior to running jump optimize before cse2.
5275 2001-04-12 Richard Henderson <rth@redhat.com>
5277 * Makefile.in (regmove.o): Depend on except.h.
5278 * regmove.c: Include it.
5280 2001-04-12 Stan Shebs <shebs@apple.com>
5282 * objc/objc-act.c: Remove all code ifdefed with the never-used
5283 macro OBJC_INT_SELECTORS.
5284 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5285 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5287 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5289 * config/pa/quadlib.c: Add prototypes.
5291 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5293 * bitmap.h (debug_bitmap): Delete redundant prototype.
5295 * rtl.h (get_frame_size): Likewise.
5297 2001-04-12 Jim Wilson <wilson@redhat.com>
5299 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5300 to just emit an fnorm.
5302 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5304 * c-common.h (truthvalue_conversion, type_for_mode,
5305 type_for_size): Delete redundant declarations.
5307 * c-lex.h (is_class_name): Likewise.
5309 * c-tree.h (pedantic, convert, getdecls, gettags,
5310 global_bindings_p, init_decl_processing, insert_block,
5311 maybe_build_cleanup, poplevel, print_lang_decl,
5312 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5313 set_block, incomplete_type_error, build_function_call,
5314 lvalue_or_else, mark_addressable): Likewise.
5316 * expr.h (expand_tree_builtin): Likewise.
5318 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5320 * invoke.texi: Document --param max-gcse-memory.
5322 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5324 * configure.in (errno): Check for declaration.
5325 * configure, config.in: Regenerated.
5327 * system.h (errno): Only declare if not already done.
5329 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5331 * recog.c (general_operand, immediate_operand,
5332 nonmemory_operand): Require CONST_INTs to be sign-extended
5333 values for their modes.
5335 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5337 * expmed.c (store_bit_field): Truncate CONST_INTs.
5338 (expand_mult_highpart, expand_divmod): Likewise.
5339 * expr.c (convert_modes, store_field): Likewise.
5340 * integrate.c (expand_inline_function): Use promote_mode() to
5341 determine whether to convert_modes() an argument as signed
5343 * optabs.c (expand_binop): Get CONST_INT operands
5344 sign-extended for their appropriate modes.
5345 * stmt.c (emit_case_nodes): Convert node values to the
5347 (expand_end_case): Convert minval and range to the appropriate
5349 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5350 the iteration variable.
5351 * varasm.c (immed_double_const): Don't require words to be
5352 narrower than host wide ints to properly sign-extend
5355 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5357 * sh.md (builtin_setjmp_receiver): New expander.
5359 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5361 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5362 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5363 for generating CONST_INT and CONST_DOUBLE.
5365 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5367 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5368 already sign-extended.
5369 (rs6000_emit_prologue): Make register iterator signed.
5370 (rs6000_emit_epilogue): Likewise.
5371 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5373 (movsf split, movdf split): Sign-extend CONST_INTs.
5374 (movdi splits): Likewise.
5376 2001-04-12 Kelley Cook <kelley.cook@home.com>
5378 * config-lang.in (lang_dirs): Add in zlib.
5380 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5382 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5383 operands that make it to RTL.
5385 2001-04-11 Stan Shebs <shebs@apple.com>
5387 Add Darwin (Mac OS X kernel) native support.
5388 * config.gcc (powerpc-*-darwin*): Add native bits.
5389 * config/darwin.c: New file, generic Darwin support functions.
5390 * config/darwin.h: New file, generic Darwin definitions.
5391 * config/darwin-protos.h: New file, generic Darwin prototypes.
5392 * rs6000/darwin.h: New file, Darwin for PowerPC.
5393 * rs6000/t-darwin: New file, Darwin makefile fragment.
5394 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5395 (TARGET_MACHO): Ditto.
5396 (rs6000_abi): Add ABI_DARWIN.
5397 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5398 (RS6000_SAVE_AREA): Ditto.
5399 (FP_ARG_MAX_REG): Ditto.
5400 (RETURN_ADDRESS_OFFSET): Ditto.
5401 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5403 (rs6000_emit_move): Add ABI_DARWIN cases.
5404 (print_operand): Ditto.
5405 (first_reg_to_save): Ditto.
5406 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5407 (debug_stack_info): Ditto.
5408 (rs6000_emit_prologue): Ditto.
5409 (rs6000_emit_epilogue): Ditto.
5410 (output_profiler_hook): Ditto.
5411 (output_function_profiler): Ditto.
5412 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5413 (output_mi_thunk): Add TARGET_MACHO case.
5414 (add_compiler_stub): Ditto.
5415 (output_compiler_stub): Ditto.
5416 (no_previous_def): Ditto.
5417 (output_call): Ditto.
5418 (machopic_output_stub): Ditto.
5419 (rs6000_machopic_legitimize_pic_address): Ditto.
5420 (toc_section): Ditto.
5421 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5422 (macho_high): Ditto.
5425 (load_macho_picbase): Ditto.
5426 (call): Add TARGET_MACHO case to modify function.
5427 (call_value): Ditto.
5428 (call_nonlocal_sysv): Add ABI_DARWIN case.
5429 (call_value_nonlocal_sysv): Ditto.
5430 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5432 (machopic_output_stub): Ditto.
5433 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5435 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5437 * dwarf2out.c (modified_type_die): Don't create new types here.
5438 * tree.h (get_qualified_type): New function.
5439 (build_qualified_type): Adjust comment.
5440 * tree.c (get_qualified_type): New function.
5441 (build_qualified_type): Use it.
5443 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5445 * cpp.texi (-Wtraditional): Update description.
5447 * invoke.texi (-Wtraditional): Likewise.
5449 2001-04-11 Jim Wilson <wilson@redhat.com>
5451 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5452 requires more than 64 bits of alignment.
5454 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5456 * cpplib.c (do_line): Sanity check iff enable checking.
5458 2001-04-11 Richard Henderson <rth@redhat.com>
5460 * Makefile.in (insn-recog.o): Depend on toplev.h.
5461 (insn-emit.o, doloop.o): Likewise.
5462 * genrecog.c, genemit.c: Include toplev.h in generated file.
5463 * doloop.c: Include toplev.h.
5465 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5467 * Makefile.in (gcse.o): Depend on params.h.
5468 * gcse.c: Include params.h.
5469 (gcse_main): Don't do GCSE if doing so will take inordinate
5471 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5472 * params.h (MAX_GCSE_MEMORY): New macro.
5474 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5476 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5478 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5480 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5482 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5484 * real.h (ereal_atof, real_value_truncate, target_isnan,
5485 target_isinf, target_negative, assemble_real, debug_real): Delete
5486 redundant prototypes.
5488 * Makefile.in (ifcvt.o): Depend on toplev.h.
5490 * c-semantics.c: Include expr.h.
5492 * ifcvt.c: Include toplev.h.
5494 * expr.h (rtx_equal_p): Delete prototype.
5496 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5497 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5498 eliminate_constant_term, expand_complex_abs, find_single_use,
5499 make_tree, init_expr_once, init_optabs, supports_one_only):
5502 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5503 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5504 expand_assignment, store_expr, emit_line_note_after,
5505 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5507 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5509 * sparc-protos.h: Delete redundant prototypes.
5511 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5513 * reload.c (push_reload): Add condition missed in SUBREG byte
5516 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5518 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5520 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5522 * i386.md (floatsisf_sse): Fix output template
5523 * i386.c (ix86_expand_fp_movcc)
5525 * reg-stack.c (emit_pop_insn): Handle complex modes.
5526 (move_for_stack_reg): Emit proper move mode.
5527 (subst_stack_regs_pat): Handle complex modes.
5529 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5531 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5533 2001-04-10 Richard Henderson <rth@redhat.com>
5535 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5536 (__pure_virtual, __terminate, __terminate_set_func,
5537 __default_terminate, __throw_type_match, __empty,
5538 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5539 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5540 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5541 Remove prototypes of deleted functions.
5543 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5545 * c-typeck.c (convert_arguments): -Wtraditional now activates
5546 -Wconversion warnings, except for changes in signed-ness.
5547 Detect complex<->int & int<->complex conversions as well.
5549 * invoke.texi (-Wtraditional): Document it.
5551 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5553 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5554 * flow.c (set_block_for_new_insns): Remove needless cast and
5555 properly check for unset block number.
5557 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5559 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5560 the subreg was a hard register. Pseudos are left as subregs.
5562 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5564 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5565 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5566 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5567 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5568 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5570 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5572 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5574 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5576 * output.h (set_block_num): Missed it earlier, remove deprecated
5579 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5581 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5582 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5583 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5584 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5585 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5586 (expr_killed_p): Change bb parameter from int to basic_block, pass
5587 basic_blocks instead of ints as parameters.
5588 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5589 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5590 from int to basic_block, pass basic_blocks instead of ints as parms.
5591 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5592 parameter from int to basic_block, pass basic_blocks instead of ints.
5593 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5594 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5595 pass basic_blocks instead of ints.
5596 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5597 basic_blocks instead of ints as parameters.
5598 (pre_delete): Pass basic_blocks instead of ints as parameters.
5599 (hoist_expr_reaches_here_p): Change bb parameter from int to
5600 basic_block, pass basic_blocks instead of ints.
5601 (hoist_code): Pass basic_blocks instead of ints as parameters.
5602 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5603 Change bb parameter from int to basic_block.
5604 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5605 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5606 pass basic_blocks instead of ints.
5607 (insert_store): Pass basic_blocks instead of ints as parameters.
5608 (replace_store_insn, delete_store): Change bb parameter from int to
5609 basic_block, pass basic_blocks instead of ints.
5610 (store_motion): Pass basic_blocks instead of ints as parameters.
5612 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5614 * basic-block.h (set_new_block_for_insns): New Prototype.
5615 (set_block_num): Delete prototype.
5616 * flow.c (set_block_num): Remove obsolete function.
5617 (set_block_for_new_insns): Set BB for single or multiple insns.
5618 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5619 (process_insn_end_bb): Use set_block_for_new_insns or
5620 set_block_for_insn instead of set_block_num.
5621 (pre_insert_copy_insn): Use set_block_for_new_insns.
5622 (update_ld_motion_stores): Use set_block_for_new_insns.
5623 (insert_insn_start_bb): Use set_block_for_new_insns.
5624 (replace_store_insn): Use set_block_for_new_insns.
5626 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5627 Jeff Law <law@redhat.com>
5629 * alias.c (get_addr): Externalize.
5630 (canon_true_dependence): New function. Behaves like true_dependance
5631 except it already assumes a MEM has been canonicalized.
5632 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5633 * gcse.c (struct ls_expr): Add load/store expressions structure.
5634 (modify_mem_list, canon_modify_mem_list): New variable.
5635 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5636 load motion and store motion if requested.
5637 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5638 (free_gcse_mem): Free the modify_mem_list array.
5639 (oprs_unchanged_p): Use load_killed_in_block_p.
5640 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5641 (mems_conflict_for_gcse_p): New function. Don't kill loads
5642 with stores to themselves if its in the load/store expression list.
5643 (load_killed_in_block_p): New function.
5644 (canon_list_insert): New Function.
5645 (record_last_mem_set_info): Keep a list of all instructions which
5646 can modify memory for each basic block.
5647 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5648 (oprs_not_set_p): Use load_killed_in_block_p.
5649 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5650 (expr_killed_p): Use load_killed_in_block_p.
5651 (compute_transp): Do not pessimize memory references.
5652 (pre_edge_insert): Update stores for a load motion expression.
5653 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5654 (ldst_entry): Find or create a ldst_expr structure.
5655 (free_ldst_entry): Free memory for an individual item.
5656 (free_ldst_mems): Free entire load/store expression list.
5657 (print_ldst_list): Print debug info.
5658 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5659 (enumerate_ldsts): Assign integer values to each entry in list.
5660 (first_ls_expr): First expression in the list.
5661 (next_ls_expr): Next expression in the list.
5662 (simple_mem): Check if expression qualifies for ld/st expression list.
5663 (invalidate_any_buried_refs): Remove from expression list if its
5664 used in some other way we dont understand.
5665 (compute_ld_motion_mems): Find all potential enhanced load motion
5667 (trim_ld_motion_mems): Remove any expressions which are invalid.
5668 (update_ld_motion_stores): Copy store values to registers for loads
5669 which have been moved.
5670 (regvec, st_antloc, num_store): New global statics.
5671 (reg_set_info): Marks registers as set.
5672 (store_ops_ok): Verfies registers expressions are valid in a block.
5673 (find_moveable_store): Look for moveable stores in a pattern.
5674 (compute_store_table): Find stores in a function worth moving, maybe.
5675 (load_kills_store): Check dependance of a load and store.
5676 (find_loads): Find any loads in a pattern.
5677 (store_killed_in_insn): Check if a store is killed in an insn.
5678 (store_killed_after): Check is store killed after an insn in a block.
5679 (store_killed_before): Check is store killed before an insn in a block.
5680 (build_store_vectors): Generate the antic and avail vectors.
5681 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5682 (insert_store): Add a store to an edge.
5683 (replace_store_insn): Replace a store with a SET insn.
5684 (delete_store): Delete a store insn.
5685 (free_store_memory): Free memory.
5686 (store_motion): Perform store motion.
5687 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5688 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5689 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5690 (f_options): Add gcse-lm and gcse-sm.
5692 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5694 * i386.c (expand_fp_movcc): Fix condition reversal code.
5696 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5697 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5698 (CLASS_MAX_NREGS): Use it.
5700 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5701 handle properly complex values.
5702 (CLASS_MAX_NREGS): Likewise; update comment.
5704 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5706 * ia64.c (ia64_flag_schedule_insns2): New variable.
5707 (ia64_override_options): Initialize it. Clear
5708 flag_schedule_insns_after_reload.
5709 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5711 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5713 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5714 Do not require source to match destination anymore;
5715 Add abort to the nontrivial cases that should be handled by split.
5716 (fix_trunc?fdi): Add SSE case for x86_64.
5717 (floatdi?f): Likewise.
5718 (floatdi?f_sse): New.
5719 (fix_trunc?fdi_sse): New.
5721 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5723 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5724 (DEBUG_ARANGES_END_LABEL): Ditto.
5725 (dwarfout_init): Generate length and version fields at the start
5726 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5727 after the length field.
5728 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5729 the .debug_aranges info.
5731 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5733 * i386.c (call, call_value): Make sure that resulting call_insn
5734 does have proper second operand.
5736 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5738 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5739 function. Remove include of sys/cygwin.h.
5741 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5743 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5744 (CPP_SPEC): Always search */include/w32api for header files.
5745 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5746 (LINK_SPEC): Add "cyg" to the library search prefixes.
5748 2001-04-08 Philip Blundell <philb@gnu.org>
5750 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5752 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5754 * cpperror.c (print_location): Don't special case <stdin>.
5755 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5756 WARNING, but we don't check if we're in system headers.
5757 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5758 * cpplib.c (do_warning): Warn in system headers.
5760 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5762 * mbchar.c: Include config.h first.
5764 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5766 * config.gcc: Set default for xmake_file at top, not bottom.
5767 Change places that set xmake_file to "none" to set to the
5768 empty string instead, or remove them entirely if there is no
5769 default xmake_file for this cpu_type. Remove references to
5772 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5773 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5774 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5775 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5776 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5777 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5778 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5779 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5780 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5781 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5784 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5785 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5786 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5787 config/mips/x-sysv, config/rs6000/x-aix31:
5788 Just set CLIB to -lld or -lmld, as appropriate.
5790 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5791 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5792 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5793 config/mips/x-iris, config/pa/x-pa:
5794 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5795 OTHER_FIXINCLUDES_DIRS.
5797 * config/i386/x-djgpp: Don't set LN or LN_S.
5798 * config/m88k/x-dolph: Don't define __m88k__.
5799 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5800 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5801 * config/i860/fx2800.h: No need to #undef SVR4.
5803 38 x-host fragments remain, 2 x-cpu.
5805 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5807 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5809 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5811 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5813 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5815 * configure.in: Add check for lstat.
5816 * configure, config.in: Regenerate.
5817 * cppinit.c (append_include_chain): Make empty path ".".
5818 * cpplib.c (do_line): Don't simplify #line paths.
5819 * cppfiles.c (remove_component_p): New function.
5820 (find_or_create_entry): Acknowledge stat () errors during
5821 path simplification.
5822 (handle_missing_header): Don't simplify paths.
5823 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5824 the empty path untouched. Don't leave a trailing '/'.
5826 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5828 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5829 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5831 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5833 * cppfiles.c (open_file): Fail directories silently, but
5834 with an errno of NOENT set.
5835 (read_include_file): Move the common exit code to the sole
5836 caller. Return an int indicating success or failure. Let
5837 open_file handle directories.
5838 (stack_include_file): If read_include_file fails,
5839 push a "null" buffer.
5841 2001-04-05 DJ Delorie <dj@redhat.com>
5843 * function.h (virtuals_instantiated): Declare.
5844 * function.c: (virtuals_instantiated): Make global.
5845 * calls.c (emit_library_call_value_1): Use
5846 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5847 Otherwise, use the stack pointer directly.
5849 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5851 * i386.c (x86_initialize_trampoline): New global function.
5852 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5853 (INITIALIZE_TRAMPOLINE): Move offline.
5854 * i386-protos.h (x86_initialize_trampoline): Declare.
5856 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5858 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5859 (lea_0): Rename to lea_1.
5860 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5861 (lea_general_?): Allow SImodes on TARGET_64BIT
5862 (lea_general_?_zext): New patterns.
5863 (call_1, call_1_rex64): Fix.
5865 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5867 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5869 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5871 * i386.c (function_arg): Return constm1_rtx for last argument.
5872 (ix86_expand_prologue): Update gen_call calls.
5873 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5874 * i386.md (call_pop): Likewise.
5875 (call): Second operand is VOIDmode.
5876 (call_0): Likewise; Support 64bits.
5877 (call_exp): New expander.
5878 (call_1): Get to the sync.
5879 (call_1_exp): New pattern.
5880 (call_value): Support 64bit.
5881 (call_value_exp): New pattern.
5882 (untyped_call): Update gen_call call.
5883 (call_value_pop): Disable for 64bit.
5884 (call_value_0_rex64): New pattern.
5885 (call_value_1_rex64): Likewise.
5887 2001-04-05 Bo Thorsen <bo@suse.de>
5889 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5891 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5893 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5894 satisfies ANY_QI_REG_P.
5896 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5898 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5901 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5904 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5906 * config.gcc: Remove default for xm_file. Clean up local
5907 machine type handling. Remove settings of xm_file to
5908 something that doesn't exist. In the big switch, set xm_file,
5909 don't append to it (the value before the big switch is always
5910 null). Don't force build_xm_file or host_xm_file to have a value.
5911 * configure.in: Remove default for xm_file. Do not special
5912 case $cpu/xm-$cpu.h not existing.
5913 * configure: Regenerate.
5915 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5917 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5918 when folding integer division and modulo operations.
5920 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5922 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5923 instead of DWARF2_ADDR_SIZE for EH addresses.
5924 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5927 2001-04-04 Richard Henderson <rth@redhat.com>
5929 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5930 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5931 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5933 2001-04-04 Richard Henderson <rth@redhat.com>
5935 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5936 * configure: Rebuilt.
5938 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5940 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5941 push insns to delete to it instead of deleting them.
5942 (delete_null_pointer_checks): Delete insns from delete_list after
5943 all delete_null_pointer_checks_1 passes are done.
5945 2001-04-04 Richard Henderson <rth@redhat.com>
5947 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5948 * configure: Rebuilt.
5950 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5952 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5953 * config/romp/xm-romp.h: Delete.
5955 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5957 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5960 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5962 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5963 all labels present in rtx.
5964 (try_split) Call new function for all split insns.
5966 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5968 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5969 sure the change won't be validated.
5971 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5973 * rtl.h (set_noop_p): Declare.
5974 * flow.c (set_noop_p): Move from here ...
5975 * rtlanal.c (set_noop_p): ... to here and enhance.
5976 * cse.c (delete_trivially_dead_insns): Use it.
5977 * gcse.c (hash_scan_set): Likewise.
5978 * jump.c (delete_noop_moves): Likewise.
5979 * recog.c (split_all_insns): Likewise.
5981 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5983 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5984 stack pointer via a LO_SUM. Ditto for setting a temp register
5985 used to save to the stack. Set cfa_temp when setting fp, and
5986 allow matches to cfa_temp in addition to cfa_store when saving
5987 regs. Handle POST_INC and LO_SUM register stores. Document the
5988 changes and errors in rule 12 doco.
5990 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5991 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5992 (load_reg): Move closer to epilogue code.
5993 (DO_FRAME_NOTES): Define to control the following..
5994 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5995 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5997 (hppa_expand_epilogue): Likewise.
5999 2001-04-03 Richard Henderson <rth@redhat.com>
6001 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6002 * configure: Rebuild.
6004 2001-04-03 Richard Henderson <rth@redhat.com>
6006 * rtl.h (LCT_THROW): New.
6007 * calls.c (emit_library_call_value_1): Handle it.
6008 * except.c (connect_post_landing_pads): Use it.
6010 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6012 * gansidecl.h: Delete file.
6013 * configure.in: Change all refs to gansidecl.h to use
6014 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
6016 * configure: Regenerate.
6018 * Makefile.in (intl.o): Don't depend on gansidecl.h.
6019 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6020 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6021 Don't include gansidecl.h.
6022 * intl.c, main.c, version.c, fixinc/fixlib.h,
6023 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6026 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6028 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6031 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6033 * config/i386/xm-beos.h, config/i386/xm-isc.h,
6034 config/i386/xm-next.h, config/i386/xm-sco.h,
6035 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6036 config/m88k/xm-m88k.h: Delete.
6038 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6039 * config/romp/xm-romp.h: Don't define bcopy.
6040 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6041 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6043 * config.gcc: Remove references to deleted files.
6045 14 xm-host.h remain, 1 xm-cpu.h.
6047 2001-04-03 Jakub Jelinek <jakub@redhat.com>
6048 David S. Miller <davem@pierdol.cobaltmicro.com>
6049 Andrew MacLeod <amacleod@redhat.com>
6051 Use byte offsets in SUBREGs instead of words.
6053 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6054 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6055 to pass new argument.
6056 (add_stored_regs): Use subreg_regno_offset function.
6057 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6059 (precompute_arguments): Use gen_lowpart_SUBREG.
6060 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6061 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6062 (simplify_set): Rework to use SUBREG_BYTE.
6063 (expand_field_assignment): Use SUBREG_BYTE.
6064 (make_extraction): Use SUBREG_BYTE.
6065 (if_then_else_cond): Use SUBREG_BYTE.
6066 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6067 (gen_lowpart_for_combine): Compute full byte offset.
6068 * cse.c (mention_regs): Use SUBREG_BYTE.
6069 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6070 (canon_hash): Use SUBREG_BYTE.
6071 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6072 (gen_lowpart_if_possible): Formatting.
6073 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6075 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6076 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6077 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6078 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6079 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6080 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6081 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6082 certain invariants about SUBREGs the compiler creates.
6083 (gen_lowpart_SUBREG): New function.
6084 (subreg_hard_regno): New function to get the final register number.
6085 (gen_lowpart_common): Use SUBREG_BYTE.
6086 (gen_imagpart): Spacing nits.
6087 (subreg_realpart_p): Use SUBREG_BYTE.
6088 (gen_highpart): Use SUBREG_BYTE.
6089 (subreg_lowpart_p): Always compute endian corrected goal offset,
6090 even at the byte level, then compare against that.
6091 (constant_subword): New function, pulled out all constant cases
6092 from operand_subword and changed second argument name to offset.
6093 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6094 and call constant_subword to do the work. Return const0_rtx if
6095 looking for a word outside of OP.
6096 (operand_subword_force): Change second arg name to offset.
6097 * expmed.c (store_bit_field): Use SUBREG_BYTE.
6098 (store_split_bit_field): Use SUBREG_BYTE.
6099 (extract_bit_field): Use SUBREG_BYTE.
6100 (extract_split_bit_field): Use SUBREG_BYTE.
6101 (expand_shift): Use SUBREG_BYTE.
6102 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6103 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6104 * flow.c (set_noop_p): Use SUBREG_BYTE.
6105 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6106 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6107 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6109 (optimize_bit_field): Use SUBREG_BYTE.
6110 (purge_addressof_1): Use SUBREG_BYTE.
6111 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6112 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6113 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6114 * gengenrtl.c (special_rtx): Add SUBREG.
6115 * global.c (mark_reg_store): Use SUBREG_BYTE.
6116 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6117 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6118 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6119 final byte offset is congruent to subreg's mode size.
6120 (subst_constants): Use SUBREG_BYTE.
6121 (mark_stores): Use subreg_regno_offset function.
6122 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6123 function and SUBREG_BYTE.
6124 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6125 (reg_is_born): Use subreg_hard_regno.
6126 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6127 endian correction code. Don't combine subregs unless resulting
6128 offset aligns with type. Fix subreg constant extraction for DImode.
6129 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6130 (general_operand): Remove dead mode_altering_drug code.
6131 (indirect_operand): Use SUBREG_BYTE.
6132 (constrain_operands): Use subreg_regno_offset function.
6133 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6134 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6135 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6136 * regs.h (REG_SIZE): Allow target to override.
6137 (REGMODE_NATURAL_SIZE): New macro which target can override.
6138 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6139 on the entire subreg rtx.
6140 (push_reload): Use SUBREG_BYTE in comments and code.
6141 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6142 for hard registers inside subregs.
6143 (operands_match_p): Use subreg_regno_offset.
6144 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6145 containing hard regs.
6146 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6147 corrections when fixing up MEM subregs.
6148 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6149 subreg_regno_offset where appropriate.
6150 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6151 byte endian corrections when fixing up MEM subregs.
6152 (subst_reloads): When combining two subregs, make sure final
6153 offset is congruent to subreg's mode size.
6154 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6155 (refers_to_regno_for_reload_p): Use subreg_regno.
6156 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6157 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6158 correction code for memory subreg fixups.
6159 (forget_old_reload_1): Use subreg_regno_offset.
6160 (choose_reload_regs): Use subreg_regno.
6161 (emit_input_reload_insns): Use SUBREG_BYTE.
6162 (reload_combine_note_store): Use subreg_regno_offset.
6163 (move2add_note_store): Use subreg_regno_offset.
6164 * resource.c (update_live_status, mark_referenced_resources): Use
6165 subreg_regno function.
6166 (mark_set_resources): Use subreg_regno function.
6167 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6168 (subreg_regno_offset, subreg_regno): Define prototypes.
6169 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6170 (gen_lowpart_SUBREG): Add prototype.
6171 * rtl.texi (subreg): Update to reflect new byte offset representation.
6172 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6173 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6174 (reg_overlap_mentioned_p): Use subreg_regno.
6175 (replace_regs); Make sure final offset of combined subreg is
6176 congruent to size of subreg's mode.
6177 (subreg_regno_offset): New function.
6178 (subreg_regno): New function.
6179 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6180 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6181 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6182 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6183 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6184 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6185 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6186 (print_operand): Use SUBREG_BYTE.
6187 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6188 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6189 (arm_reload_out_hi): Use SUBREG_BYTE.
6190 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6191 instead of SUBREG_WORD.
6192 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6193 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6194 SUBREG creation to use byte offset.
6195 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6196 inverted load insns): Fix explicit rtl subregs to use byte
6198 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6199 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6200 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6201 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6202 to use byte offsets.
6203 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6204 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6205 offsets, also make sure it is congruent to SUBREG's mode size.
6206 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6207 unnamed ldob insn): Generate SUBREGs with byte offset.
6208 (zero_extendqihi2): SUBREG's are byte offsets.
6209 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6210 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6211 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6212 zero-extendqisi2): Generate SUBREGs with byte offset.
6213 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6214 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6215 subregs in rtl to use byte offsets.
6216 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6217 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6218 (mips_move_2words): Use subreg_regno_offset.
6219 (mips_secondary_reload_class): Use subreg_regno_offset.
6220 * config/mips/mips.md (DImode plus, minus, move, and logical op
6221 splits): Fixup explicit subregs in rtl to use byte offsets.
6222 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6223 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6224 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6225 rtl to use byte offsets.
6226 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6227 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6228 subregs to use byte offsets.
6229 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6230 Fixup explicit subregs in rtl to use byte offsets.
6231 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6232 and remove byte endian correction code.
6233 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6234 (gen_ashift_hi): Use SUBREG_BYTE.
6235 (regs_used): Use subreg_regno_offset.
6236 (machine_dependent_reorg): Use subreg_regno_offset.
6237 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6238 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6239 (movdf_i4): Subregs are byte offsets now.
6240 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6241 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6242 (REGMODE_NATURAL_SIZE): Override.
6243 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6244 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6246 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6247 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6248 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6249 it is congruent to SUBREG's mode size.
6250 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6252 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6253 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6254 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6255 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6256 * config/v850/v850.c (print_operand, output_move_double): Use
6257 subreg_regno function.
6259 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6261 * configure.in (target_subdir): Use target_alias, not target.
6262 * configure: Rebuilt.
6264 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6266 * config/sh/crti.asm: Fix typos in comments.
6268 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6270 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6271 TARGET_FAST_INDIRECT_CALLS.
6272 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6274 (return_addr_rtx): Short circuit export stub matching when
6275 TARGET_NO_SPACE_REGS.
6276 (output_millicode_call): For out of range calls, make -fPIC
6277 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6278 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6279 * pa.md: Modify length attr calculation of all millicode insns to
6282 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6284 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6285 Require at least 2.11 in the version test. Specifically check
6286 for and reject GAS version 2.10.90.
6287 * configure: regenerate.
6289 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6291 * pa.c (override_options): Remove PIC profiling warning.
6292 (hp_profile_labelno): Delete.
6293 (hp_profile_label_rtx): Delete.
6294 (hp_profile_label_name): Delete.
6295 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6296 (output_function_prologue): Remove profiling code and all tests on
6297 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6298 merge_sp_adjust_with_store can work for PIC and profiling.
6299 (hppa_expand_epilogue): Remove profile_flag test.
6300 (hppa_can_use_return_insn_p): Likewise.
6301 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6302 cater for PROFILE_HOOK.
6303 (hppa_profile_hook): New function.
6304 * pa.h (FUNCTION_PROFILER): Now does nothing.
6305 (PROFILE_HOOK): Define.
6306 (hppa_profile_hook): Declare.
6307 (PROFILE_BEFORE_PROLOGUE): Delete.
6308 (ASM_OUTPUT_REG_PUSH): Delete.
6309 (ASM_OUTPUT_REG_POP): Delete.
6310 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6311 r24. Accept function name operand, and use this and a locally
6312 generated label to calculate pc-rel offset to func start.
6314 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6316 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6317 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6320 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6322 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6323 LO_SUM cases to where they belong.
6325 2001-04-02 Richard Henderson <rth@redhat.com>
6327 * except.h (lang_eh_type_covers): Mark extern.
6328 (lang_eh_runtime_type): Likewise.
6330 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6332 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6333 gengenrtl.c: Wrap generated header in multiple-include guard.
6334 Improve error checking.
6336 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6338 * configure.in: Don't check for putenv.
6339 * configure: Regenerate.
6340 * gcc.c (putenv): Don't define.
6341 * vax/xm-vms.h: Handle putenv.
6343 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6345 * ifcvt.c (noce_emit_move_insn): New.
6346 (noce_try_store_flag, noce_try_store_flag_constants,
6347 noce_try_store_flag_inc, noce_try_store_flag_mask,
6348 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6349 noce_try_abs): Use it.
6350 (noce_process_if_block): Likewise.
6351 For STRICT_LOW_PART, take mode from its SUBREG.
6353 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6355 * fold-const.c (fold): Before optimizing unsigned comparison with
6356 0x7fffffffU, make sure arg0 is integral type.
6358 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6360 * c-tree.texi: Document representation of wide strings.
6362 2001-04-01 Richard Henderson <rth@redhat.com>
6364 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6366 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6368 * i386.md: remove obsoleted comments.
6369 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6370 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6371 fix output template.
6373 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6375 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6377 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6379 * loop.c (load_mems): When generating a load from a pseudo, update
6382 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6384 * i386.c (ix86_split_long_move): Use change address to compensate
6385 stack pointer change in push instruction.
6387 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6389 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6390 instead of rtx_equal_p; fix the output template.
6392 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6394 * i386.c (ix86_expand_setcc): Support 64bit.
6395 (ix86_expand_int_movcc): Likewise.
6396 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6399 * i386.md (allocate_stack_worker): Turn to expander.
6400 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6402 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6404 2001-03-29 Richard Henderson <rth@redhat.com>
6406 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6408 2001-03-28 Matthew Hiller <hiller@redhat.com>
6410 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6413 * MAINTAINERS: Added self.
6415 2001-03-28 Richard Henderson <rth@redhat.com>
6417 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6418 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6420 2001-03-28 Jim Wilson <wilson@redhat.com>
6422 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6425 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6427 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6429 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6432 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6434 2001-03-28 DJ Delorie <dj@redhat.com>
6436 * Makefile.in (stage1_build): Revert CFLAGS patch.
6438 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6440 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6441 when multiplier or multiplicand is zero.
6443 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6445 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6447 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6449 (set_src_needs_barrier): Likewise.
6450 (rtx_needs_barrier): For SET case, use these two functions. Rework
6451 PARALLEL case to handle all inputs before all outputs.
6452 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6453 saw a label and no stop bit since then.
6454 (maybe_rotate, process_epilogue): Add prototypes.
6456 2001-03-28 Richard Henderson <rth@redhat.com>
6458 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6459 not TARGET_TOC for special toc restore handling.
6460 * config/rs6000/rs6000.md (eh_return): Likewise.
6462 2001-03-28 Richard Henderson <rth@redhat.com>
6464 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6465 current_function_calls_eh_return.
6466 (output_function_epilogue): Handle eh_return.
6467 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6468 (EH_RETURN_DATA_REGNO): New.
6469 (EH_RETURN_STACKADJ_RTX): New.
6470 (EH_RETURN_HANDLER_RTX): New.
6471 * config/sparc/sparc.md (call/short branch peepholes): Check
6472 can_throw_internal instead of in_same_eh_region.
6474 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6475 for eh_return data registers.
6476 (rs6000_emit_prologue): Save eh_return data registers.
6477 (rs6000_emit_epilogue): Force inline restores if eh_return.
6478 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6479 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6480 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6481 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6482 the target uses one.
6483 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6484 (return_eh_si, return_eh_di): Remove.
6485 (eh_return): New, from corpse of eh_epilogue.
6486 (eh_set_lr_si, eh_set_lr_di): New.
6488 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6489 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6490 True for pic register if current_function_calls_eh_return.
6491 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6492 Handle eh_return requirements.
6493 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6494 (EH_RETURN_STACKADJ_RTX): New.
6495 * config/i386/i386.md (exception_receiver): Remove.
6496 (eh_return, eh_return_1): New.
6497 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6499 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6500 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6501 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6502 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6503 (EH_RETURN_DATA_REGNO): New.
6504 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6505 * config/alpha/alpha.md (eh_epilogue): Remove.
6506 (exception_receiver): Use $26 for ldgp input.
6507 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6509 2001-03-28 Richard Henderson <rth@redhat.com>
6511 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6512 * except.h: Likewise.
6514 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6515 (LIB2ADDEHDEP): New.
6516 (LIB2FUNCS_EH): Remove.
6517 (LIB2ADD): Remove LIB2ADDEH.
6518 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6519 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6520 (crt{begin,end}[S].o): Likewise.
6521 (except.o): Update includes.
6522 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6523 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6525 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6526 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6527 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6528 * builtins.c (expand_builtin): Implement it.
6529 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6530 * c-common.c (c_common_nodes_and_builtins): Declare it.
6531 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6532 * calls.c (libfunc_nothrow): Remove.
6533 (emit_library_call_value_1): Don't call it.
6534 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6535 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6536 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6537 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6538 (current_funcdef_number): Globalize.
6539 (output_call_frame_info): Emit frame data if an lsda is needed.
6540 Generate augmentation for personality routine. Don't play with
6542 (dwarf2out_begin_prologue): Record funcdef_number.
6543 * dwarf2out.h (current_funcdef_number): Declare.
6544 * expr.c (expand_expr): Update for except.h name changes.
6545 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6546 * expr.h (LTI_throw, LTI_rethrow): Remove.
6547 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6548 (LTI_eh_rtime_match): Remove.
6549 (LTI_unwind_resume, LTI_eh_personality): Add.
6550 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6551 * final.c (final): Don't call check_exception_handler_labels,
6552 init_insn_eh_region, or free_insn_eh_region.
6553 (final_scan_insn): Always emit debug labels for
6554 NOTE_INSN_EH_REGION notes.
6555 * flags.h (flag_new_exceptions): Remove.
6556 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6557 (record_active_eh_regions): Remove.
6558 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6559 Use can_throw_internal.
6560 (find_basic_blocks_1): Likewise.
6561 (move_stray_eh_region_notes): Remove.
6562 (find_label_refs): No eh_return_stub_label.
6563 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6564 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6566 (delete_unreachable_blocks): Don't track deleted handlers.
6567 (flow_delete_block): Use maybe_remove_eh_handler.
6568 (delete_eh_regions): Remove.
6569 (merge_blocks): Don't check for eh region match.
6570 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6571 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6572 (init_propagate_block_info): Disable dead frame store optimization
6573 when current_function_calls_eh_return.
6574 (dump_bb): Don't print eh_beg, eh_end.
6575 * function.c (fixup_var_refs): No catch_clauses.
6576 (expand_function_end): Likewise. Call expand_eh_return before
6577 the return register use. Call sjlj_emit_function_exit_after.
6578 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6579 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6580 * ifcvt.c (dead_or_predicable): Remove eh region check.
6581 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6582 Don't check for EH vs parameters.
6583 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6584 (expand_inline_function): Call duplicate_eh_regions.
6585 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6586 (copy_insn_notes): Remap REG_EH_REGION notes.
6587 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6588 * integrate.h (struct inline_remap): Add local_return_label.
6589 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6590 check_exception_handler_labels, nor exception_optimize.
6591 (find_cross_jump): No EH region check.
6592 * optabs.c (init_optabs): Update for changed eh libfuncs.
6593 * rtl.def (RESX): New.
6594 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6595 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6596 checks. Update for except.h name changes.
6597 (expand_cleanups): Likewise.
6598 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6599 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6600 (compile_file): Call init_eh before init_optabs. Don't
6601 output_exception_table here.
6602 (rest_of_compilation): Call convert_from_eh_region_ranges,
6603 convert_to_eh_region_ranges, output_function_exception_table.
6604 Don't emit_eh_context.
6605 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6606 (EXC_PTR_EXPR): New.
6608 * md.texi (eh_epilogue): Remove.
6609 (eh_return): Document.
6610 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6611 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6613 * eh-common.h: Remove file.
6614 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6615 * libgcc2.c (L_eh): Remove.
6617 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6618 * unwind-dw2-fde.h: New file.
6619 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6620 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6621 * libgcc-std.ver: Update for eh symbols.
6623 2001-03-27 Richard Henderson <rth@redhat.com>
6625 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6626 reduce false positives.
6627 (regmove_optimize): Disable if flag_non_call_exceptions.
6629 * stmt.c (expand_return): Remove always true predicate.
6630 (expand_decl_cleanup_no_eh): Remove dead code.
6632 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6633 barrier code. Add a scheduling barrier if a non-call insn
6634 can throw internally.
6636 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6637 Auto-inc addresses trap only if their base register does.
6639 * except.c (can_throw_internal): Rename from can_throw.
6640 * except.h, resource.c: Update references.
6642 * integrate.c (copy_insn_list): Use returnjump_p.
6643 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6645 * function.h (struct function): Move all boolean valued fields
6646 to single bit fields at the end of the struct.
6648 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6650 Rename asynchronous_exceptions to flag_non_call_exceptions.
6652 * gthr-single.h (UNUSED): New. Distinguish between how C
6653 and C++ mark unused function arguments. Use throughout.
6655 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6656 value to target configuration header.
6657 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6658 * config.in, configure: Rebuild.
6659 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6660 configuration and target defines.
6661 (exceptions_via_longjmp): Remove.
6662 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6663 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6665 * except.h (flag_non_call_exceptions): Move ...
6666 * flags.h: ... here.
6668 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6669 exceptions, put the note on the trapping instruction.
6671 * flags.h (flag_new_exceptions): Remove.
6672 * toplev.c: Don't set it.
6673 * final.c: Don't check it.
6674 * except.c: Provide stub definition.
6676 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6677 (calculate_global_regs_live): Kill call-clobbered registers
6678 across exception edges.
6679 * reg-stack.c (convert_regs_1): Kill the entire target stack
6680 across non-call exception edges.
6682 * flow.c (cleanup_cfg): Take no argument.
6683 * output.h, sibcall.c, toplev.c: Update all calls.
6685 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6687 * configure.in: Don't check for bcopy.
6688 * configure, config.in: Regenerate.
6690 * system.h: Don't define or prototype bcopy, instead poison it.
6692 2001-03-27 Richard Henderson <rth@redhat.com>
6694 * function.c (expand_function_start): Set DECL_REGISTER on
6695 a pseudo used for DECL_RESULT.
6697 * rtl.h (LCT_NORETURN): New.
6698 * calls.c (emit_library_call_value_1): Handle it.
6700 2001-03-27 Stan Shebs <shebs@apple.com>
6702 * objc/objc-act.c (objc_init): Use dump_base_name.
6703 (gen_declaration): Clear the buffer arg.
6704 (gen_declaration_1): New function, body of gen_declaration.
6705 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6706 (gen_method_decl): Ditto, plus always clear buffer arg.
6707 (error_with_ivar): Simplify.
6708 (warn_with_method): Ditto.
6709 (build_message_expr): Don't clear buffers.
6710 (dump_interface): Ditto.
6711 (objc_debug): Ditto.
6712 (build_keyword_selector): Clear the buffer by only zeroing
6714 (objc_implementation_context): Declare.
6715 (start_class): Warn about missing @end.
6716 (finish_objc): Ditto.
6718 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6720 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6722 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6724 * Makefile.in (SYSTEM_H): Define.
6725 Depend on $(SYSTEM_H), not system.h.
6727 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6729 2001-03-27 Jim Wilson <wilson@redhat.com>
6731 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6733 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6734 (process_epilogue): New static function.
6735 (process_set): Call process_epilogue instead of emitting .restore
6737 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6739 * flow.c (struct reg_cond_life_info): New fields orig_condition
6741 (init_propagate_block_info): Set new fields.
6742 (mark_regno_cond_dead): Set and use new fields.
6743 (flush_reg_cond_reg_1): Likewise.
6744 (and_reg_cond, case AND): Check for redundant AND conditions.
6745 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6748 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6750 * cppmacro.c (stringify_arg): Null terminate strings.
6752 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6754 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6755 inclusion style. xm-m68hc11.h no longer exists.
6756 * config/m68hc11/xm-m68hc11.h: Delete file.
6757 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6759 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6760 Don't define GCC_VERSION, N_, or PARAMS; don't include
6761 gansidecl.h or stdio.h. Define inhibit_libc here.
6762 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6763 Delete code conditioned on #if GCC_VERSION == 2095.
6765 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6766 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6767 Delete code conditioned on #if GCC_VERSION == 2095.
6769 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6771 * system.h: Include symcat.h.
6772 (STRINGIFY): Don't define.
6774 * configure.in: Adjust comment.
6776 * builtins.c: Use STRINGX, not STRINGIFY.
6777 * gencheck.c: Likewise.
6778 * gengenrtl.c: Likewise.
6779 * protoize.c: Likewise.
6781 * cpplex.c: Don't include symcat.h.
6782 * cpplib.c: Likewise.
6784 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6786 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6788 * c-typeck.c (digest_init): Fold init expression.
6790 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6792 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6794 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6796 * except.c (eh_regs): Save results of build_pointer_type to a temp
6797 as FUNCTION_VALUE macro may evaluate its args multiple times.
6799 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6801 * c-common.h (DECL_NUM_STMTS): New macro.
6802 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6804 (pushdecl): Likewise.
6805 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6806 * integrate.c (expand_inline_function): Don't check
6808 * print-tree.c (print_node): Don't print it.
6809 * toplev.c (rest_of_compilation): Don't try to inline when
6810 flag_no_inline is on.
6811 * tree.h (DECL_FRAME_SIZE): Remove.
6812 (tree_decl): Adjust accordingly.
6814 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6816 * combine.c (try_combine): Use memcpy, not bcopy.
6818 * genattrtab.c (expand_units): Likewise.
6820 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6822 * i386.md (push mem DI peep2): New.
6823 (mov 0, mov -1 peep2): Handle 64bit.
6824 (lea to arithmetics peep2): Handle 64bit leas.
6825 (rsp arithmetics to push/pop peep2s): New.
6827 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6829 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6831 * i386.c (struct machine_function): Add save_varrargs_registers.
6832 (ix86_save_varrargs_registers): New macro.
6833 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6834 (ix86_expand_prologue): Likewise.
6835 (ix86_emit_epilogue_esp_adjustement): Likewise.
6836 (ix86_expand_epilogue): Likewise.
6837 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6838 (pro_epilogue_adjust_stack_1): New insn.
6839 (pro_epilogue_adjust_stack_rex64): Likewise.
6840 * i386.h (MASK_NO_RED_ZONE): New constant.
6841 (TARGET_RED_ZONE): New macro.
6842 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6843 (RED_ZONE_SIZE): New constant.
6844 (RED_ZONE_RESERVE): New constant.
6846 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6848 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6850 2001-03-25 Kazu Hirata <kazu@hxi.com>
6852 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6855 (umodhi3): Likewise.
6858 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6860 * mkconfig.sh (DEFINES): Handle entries with '='.
6862 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6863 Set xm_defines to MACRO=value instead.
6865 * i370/xm-mvs.h: Delete.
6867 * ns32k/xm-pc532-min.h: Likewise.
6869 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6871 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6873 use ix86_expand_binary_operator
6874 (?sh??i_?): Disable for 64bit.
6875 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6876 * i386.c (shiftdi_operand): New predicate.
6878 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6879 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6880 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6881 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6882 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6883 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6884 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6885 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6886 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6887 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6888 (rotldi3, rotrdi3): New expanders.
6890 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6892 * i386.md (movstrsi): Move offline.
6894 (strmovdi_rex64): New.
6895 (strmov?i): Accept 64bit.
6896 (strmov?i_rex64): New.
6897 (strmov?i_rex_1): New.
6898 (strmov?i_1): Disable for 64bit.
6899 (rep_mov?i_rex64): New.
6900 (rep_mov?i): Disable for 64bit.
6901 (clrstrsi): Move offline.
6902 (strset?i_rex64): New.
6903 (strset?i: Accept 64bit.
6904 (rep_stos?i): Disable for 64bit.
6905 (rep_stos?i_rex64): New.
6906 (strset?i_rex_1): New.
6907 (strset?i_1): Disable for 64bit.
6908 (cmpstrsi): Accept 64bit.
6909 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6910 (cmpstrqi_nz_rex_1): New.
6911 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6912 (strlensi): Move offline.
6914 (strlenqi_1): Disable for 64bit; fix constraints.
6915 (strlenqi_rex_1): New.
6916 * i386.c (ix86_adjust_counter): New static function.
6917 (ix86_zero_extend_to_Pmode): Likewise.
6918 (ix86_expand_aligntest): Likweise.
6919 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6920 (ix86_expand_movstr): New global function.
6921 (ix86_expand_clrstr): New global function.
6922 (ix86_expand_strlen): New global function.
6923 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6924 ix86_expand_strlen): Declare.
6925 (ix86_expand_strlensi_unroll_1): Delete.
6927 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6929 * i386.md (cmpdi): Fix operand predicates.
6930 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6931 cmpdi_1_insn_rex64): New patterns.
6932 (adddi3): Turn to expander.
6933 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6934 (addsi3_carry_zext): New pattern.
6935 (adddi_?_rex64): New patterns and splitters.
6936 (addsi_?_zext): New patterns.
6937 (subsi3_carry_zext): New pattern.
6938 (subdi_?_rex64): New patterns and splitters.
6939 (iorsi_?_zext): New patterns.
6940 (iordi_?_rex64): New patterns and splitters.
6941 (iorsi_?_zext): New patterns.
6942 (iorsi_?_zext_imm): New patterns.
6943 (xorsi_?_zext): New patterns.
6944 (xordi_?_rex64): New patterns and splitters.
6945 (xorsi_?_zext): New patterns.
6946 (negdi*): New patterns.
6947 (one_cmpldi*): Likewise.
6948 (one_cmplsi*_zext, negsi*_zext): Likewise.
6949 (testqi_ext_3_rex64): New pattern.
6951 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6953 * i386-protos.h (ix86_split_long_move): Return void.
6954 * i386.c (ix86_split_to_parts): Handle 64bit target.
6955 (ix86_split_long_move): Likewise.
6956 * i386.md (all calls to ix86_split_long_move): Update.
6958 2001-03-23 Richard Henderson <rth@redhat.com>
6960 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6961 to avoid shadowing arguments.
6963 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6965 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6966 to variable names where DECL_NAME is different from
6967 DECL_ASSEMBLER_NAME.
6969 2001-03-23 Jim Wilson <wilson@redhat.com>
6971 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6972 (assemble_alias): Call make_decl_rtl.
6974 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6976 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6978 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6980 * extend.texi: Document the "java_interface" attribute.
6982 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6984 * mkconfig.sh: Use a subshell with redirected stdout,
6985 instead of closing stdout and confusing commands that run
6986 afterward. Throw away output of cmp.
6988 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6990 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6992 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6994 * i386.md (zero_extendsidi2_32): Break out from ...
6995 (zero_extendsidi2): ... here ; turn to expander.
6996 (zero_extendsidi2_rex64): New.
6997 (extendsidi2_32): Break out from ...
6998 (extendsidi2): ... here ; turn to expander.
6999 (extendsidi2_rex64): New.
7000 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7001 (trunc?f?f splitters): Add 64bit versions.
7003 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
7005 * i386.md (pushsi, pushsi2_prologue): Disable.
7006 (pushsi2_rex64): New.
7007 (movabs?i_1_rex64, movabs?i_2_rex64): New.
7008 (movqi_ext_1): Disable for 64bit.
7009 (movqi_ext_1_rex64): New.
7010 (pushdi2_rex64): New pattern, peep2s and splitter.
7011 (pushdi2_prologue_rex64): New pattern.
7012 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7014 (movdi splitters): Disable for 64bit.
7015 (movdi_1_rex64): New pattern, peep2s and splitters.
7016 (swapdi): New pattern.
7017 (pushsf): Disable for 64bit.
7018 (pushsf_rex64): New pattern and splitter.
7019 (pushdf_nointeger): Disable for 64bit.
7020 (pushdf_integer): Handle the 64bit case.
7021 (pushtf): Likewise; update splitters.
7023 2001-03-22 Richard Henderson <rth@redhat.com>
7025 * mkconfig.sh: Include insn-flags.h.
7026 * Makefile.in (CONFIG_H): Include insn-flags.h.
7027 (lots of objects): Remove insn-codes.h and insn-flags.h.
7029 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7030 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7031 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7032 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7033 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7034 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7035 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7036 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7037 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7038 v850/v850.c, vax/vax.c:
7039 Don't include insn-flags.h.
7041 * diagnostic.c, expr.h, reload.c, toplev.c:
7042 Don't include insn-codes.h.
7044 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7045 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7046 c4x/c4x.c, i960/i960.c, mips/mips.c:
7047 Don't include insn-codes.h or insn-flags.h.
7049 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7050 or insn-flags.h in the generated code.
7051 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7052 (main): Forward declare struct rtx_def.
7054 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
7056 * invoke.texi (-ffast-math): Remove duplicate line about
7059 * gcc.texi: Remove more obsolete documentation of bugs and
7060 installation problems.
7062 2001-03-21 Kazu Hirata <kazu@hxi.com>
7064 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7067 2001-03-20 Jason Merrill <jason@redhat.com>
7069 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7071 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7072 * varasm.c (CHKR_PREFIX): Likewise.
7074 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7076 * gcse.c (hash_scan_set): An expression is not anticipatible if it
7077 is part of a multi-SET insn.
7079 * cse.c (find_comparison_args): Remove previous change.
7080 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7083 * config/i386/i386.md (conditional_trap): Remove warning.
7085 * recog.c (push_operand): Fix error in last change that caused
7086 undefined symbol on many targets.
7088 * sdbout.c: #include ggc.h.
7089 (sdbout_init): Move to end of file.
7090 Call ggc_add_tree_root for anonymous_types.
7091 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7092 (sdbout_one_type): Use DECL_NAME for field name.
7093 * Makefile.in (sdbout.o): Show includes ggc.h.
7095 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
7097 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7098 (override_options): Use properlimits for preferred_stack_boundary.
7099 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7101 (ext_register_operand): Accept DImode.
7102 (load_pic_register): Abort on 64bit.
7103 (gen_push): Use Pmode instead of SImode.
7104 (ix86_save_reg): Pic reg is never used on 64bit.
7105 (ix86_expand_prologue): Likewise.
7106 (ix86_emit_save_regs): Use Pmode instead of SImode.
7107 (legitimate_address_p): Check displacement for 64bit.
7108 (print_operand): Avoid outputting of (%rip) on 64bit.
7109 (print_operand_address): Output (%rip) where possible.
7110 (split_di): Abort on 64bit registers.
7111 (ix86_expand_branch): DImode comparison is simple for x86_64.
7112 (memory_address_length): Recognize memory addresses formed using
7114 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7116 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7118 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7120 * recog.c (push_operand): Recognize new format of push instructions.
7122 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7124 * i386.md (pushqi1): New.
7125 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7126 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7127 x86_64_immediate_operand, x86_64_immediate_operand,
7128 x86_64_zext_immediate_operand): Declare.
7129 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7130 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7131 x86_64_immediate_operand, x86_64_immediate_operand,
7132 x86_64_zext_immediate_operand): define.
7133 * i386.h (PREDICATE_CODES): Add new predicates.
7135 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7137 * i386.md (pophi1, popqi1, pushqi1): Remove.
7139 * expr.c (emit_single_push_insn): New function.
7140 (move_by_pieces): Accept NULL as destination for push instructions.
7141 (gen_push_operand): Kill.
7142 (emit_push_insn): Pass NULL when pushing; avoid updating of
7143 stack_pointer_delta.
7144 * expr.h (gen_push_operand): Kill.
7146 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7148 * rtl.texi (COMPARE): Clarify documentation and reference section
7151 2001-03-20 Stan Shebs <shebs@apple.com>
7153 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7154 (get_object_reference): Ditto.
7155 (error_with_ivar): Use error_with_file_and_line.
7156 (warn_with_method): Use warning_with_file_and_line.
7158 2001-03-20 Tom Tromey <tromey@redhat.com>
7160 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7162 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7164 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7165 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7167 2001-03-20 DJ Delorie <dj@redhat.com>
7169 * Makefile.in (install-libgcc): Pass complete list of variables.
7170 (install-multilib): Ditto.
7172 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7174 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7175 drectve_section, switch_to_section.
7177 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7178 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7179 i386_pe_mark_dllimport.
7181 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7183 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7184 functions i386_pe_*.
7186 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7187 i386_pe_* functions with char * arguments.
7189 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7191 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7193 (movsi_ie): Introduce fpul store.
7195 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7197 * Makefile.in (OBJS): Remove hashtab.o.
7199 2001-03-19 Stan Shebs <shebs@apple.com>
7201 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7202 * c-lang.c (maybe_objc_method_name): Ditto.
7203 * c-tree.h (maybe_objc_method_name): Remove decl.
7205 2001-03-19 Tom Tromey <tromey@redhat.com>
7207 * gcc.c (init_gcc_specs): Fix comment.
7209 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7211 Compute DECL_ASSEMBLER_NAME lazily.
7212 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7213 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7214 (SET_DECL_ASSEMBLER_NAME): Likewise.
7215 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7216 (set_decl_assembler_name): Declare.
7217 (lang_set_decl_assembler_name): Likewise.
7218 * tree.c (lang_set_decl_assembler_name): New variab.e
7219 (set_decl_assembler_name): New function.
7220 (init_obstacks): Set lang_set_decl_assembler_name.
7221 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7222 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7223 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7224 where it's not necessary.
7225 (builtin_function): Likewise.
7226 (finish_decl): Likewise.
7227 * dbxout.c (dbxout_type_methods): Likewise.
7228 * ggc-common.c (ggc_mark_trees): Likewise.
7229 * profile.c (output_func_start_profiler): Likewise.
7230 * varasm.c (make_decl_rtl): Likewise.
7232 * cse.c (find_comparison_args): Update documentation. Fix
7233 mishandling of COMPARE operations.
7235 * tree.def (ABS_EXPR): Add documentation.
7236 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7238 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7240 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7242 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7244 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7245 Remove ia32 linux PIC kludge and move it...
7246 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7248 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7250 * i386.md (absdf2 expander): Fix 64bit case.
7252 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7254 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7256 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7258 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7260 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7262 * README.X11: Remove obsolete file.
7264 2001-03-18 Anthony Green <green@redhat.com>
7266 * config/pj/pj.h: Remove some trailing commas.
7267 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7269 2001-03-18 Richard Henderson <rth@redhat.com>
7271 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7272 * calls.c: ... here.
7273 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7274 defaults for them here.
7276 2001-03-17 Anthony Green <green@redhat.com>
7278 * config/pj/lib1funcs.S: Fix broken comment.
7279 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7282 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7284 * gcc.texi: Remove obsolete information relating to build and
7285 installation problems with enquire or the Pyramid C compiler.
7287 2001-03-17 Richard Henderson <rth@redhat.com>
7289 * dwarf2out.c (queue_reg_save): New.
7290 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7291 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7293 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7294 (cfa, cfa_store, cfa_temp): Make static.
7295 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7297 2001-03-17 Richard Henderson <rth@redhat.com>
7299 * integrate.h (struct inline_remap): Add local_return_label.
7300 * integrate.c (expand_inline_function): Initialize it and emit
7301 it after copy_insn_notes.
7302 (copy_insn_list): Don't store local_return_label here.
7303 (copy_insn_notes): New function split out from copy_insn_list.
7305 2001-03-17 Richard Henderson <rth@redhat.com>
7307 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7308 is generating .debug_line.
7309 (dwarf2out_init): Add main_input_filename to the file table first.
7310 * configure.in (as_dwarf2_debug_line): Test with file number 1
7311 instead of file number 0.
7313 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7315 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7316 (gen_rtx_combine): Deleted; all references changed as appropriate.
7317 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7319 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7321 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7323 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7326 2001-03-16 Jim Wilson <wilson@redhat.com>
7328 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7329 then set it to LOC_REG (79) instead of aborting.
7331 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7333 * gccbug.in: Remove high priority.
7335 2001-03-16 Richard Henerson <rth@redhat.com>
7337 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7338 output with a space instead of deleting it.
7339 * configure: Regenerate.
7341 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7343 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7344 handles the gory details of converting an object file into
7345 something that's safe to grep.
7346 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7347 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7348 newlines at either end of the string we're looking for.
7349 Make 'checking ...' message less stilted.
7350 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7351 ARM in-memory layout and its hypothetical converse. Don't
7352 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7353 HOST_WORDS_BIG_ENDIAN.
7355 * configure.in: Adjust for renamed macro. Move
7356 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7357 * configure, config.in: Regenerate.
7359 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7361 * fixinc/Makefile.in: Set SHELL.
7363 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7365 * fixinc/fixincl.c (fix_with_system): Quote file names before
7366 passing them to shell.
7368 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7370 * Makefile.in: Use fix-header$(build_exeext) instead
7373 2001-03-16 Richard Henderson <rth@redhat.com>
7375 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7376 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7377 (size_of_line_prolog): Remove.
7378 (output_line_info): Compute prologue size via label difference.
7379 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7381 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7382 assembler error when redefining file numbers.
7383 * config.in, configure: Rebuild.
7385 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7386 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7387 (dw2_asm_output_delta_uleb128): Likewise.
7388 (dw2_asm_output_delta_sleb128): Similarly.
7389 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7391 2001-03-16 Michael Meissner <meissner@redhat.com>
7393 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7395 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7397 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7399 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7400 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7401 being unsigned in ISO C and signed in traditional.
7402 (expand_prologue): Ditto.
7403 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7405 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7407 (divsi3,divdi3): Ditto.
7408 (modsi3,moddi3): Ditto.
7409 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7410 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7411 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7414 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7416 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7417 SSE based conditional moves on LTGT/UNEQ conditions;
7418 Canonicalize EQ to NE.
7419 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7420 (sse_mov?fcc_ne): New.
7422 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7424 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7426 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7427 register may be dead.
7429 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7431 * Makefile.in (hash.o): Depend on CONFIG_H.
7433 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7435 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7437 2001-03-15 Richard Henderson <rth@redhat.com>
7439 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7440 (ASM_OUTPUT_DWARF_PCREL): New.
7441 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7443 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7445 * cppfiles.c (stack_include_file): Use MAX of sysp.
7447 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7449 * config.gcc (ia64*-*-hpux*): New case.
7450 * config/ia64/hpux.h: New file for HP-UX support.
7451 * config/ia64/t-hpux: New file for HP-UX support.
7453 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7455 * fixinc/inclhack.def (irix_stdio_va_list): New.
7456 * fixinc/fixincl.x: Rebuilt.
7458 2001-03-15 Richard Henderson <rth@redhat.com>
7460 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7461 if provided by the target.
7462 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7463 (dw2_asm_output_addr): New.
7464 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7465 * dwarf2out.c (output_cfi): Use it for program addresses.
7466 (output_call_frame_info, output_die): Likewise.
7467 (output_aranges, output_line_info): Likewise.
7469 2001-03-15 Bruce Korb <bkorb@gnu.org>
7471 * gcc.c(main): make more rigorous
7472 * collect2.c(main): guard against ignoring SIGCHLD
7473 * protoize.c(main): ditto
7474 * gcc/fixinc/fixincl.c(initialize): ditto
7476 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7478 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7479 (sdbout_parms): Likewise.
7481 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7483 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7484 "widen" a destination that is already wider than a word. Also do
7485 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7487 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7489 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7491 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7493 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7495 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7497 * i960.h (i960_maxbitalignment,
7498 i960_last_maxbitalignment): Declare.
7499 * i960.c (i960_maxbitalignment,
7500 i960_last_maxbitalignment): Make global.
7501 (process_pragma): Delete.
7502 (i960_pr_align, i960_pr_noalign): Move from here ...
7503 * i960-c.c: ... to this new file.
7504 * t-960bare (i960-c.o): New rule.
7505 * t-vxworks960 (i960-c.o): Likewise.
7506 * config.gcc (i960-*-*): Define c_target_objs and
7509 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7511 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7512 without adding in rtx code and mode.
7514 * alias.c (init_alias_analysis): Don't use any rtx whose value
7515 varies as a known value.
7516 Delete a superfluous test.
7518 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7520 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7521 scheduling a stop bit.
7522 (ia64_emit_nops): Correctly handle ASMs.
7524 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7526 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7528 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7530 * cpp.texi: Update documentation for -include and -imacros.
7531 * cppfiles.c (struct include_file): Remove "defined" memeber.
7532 (find_or_create_entry): Make a copy of the file name, and
7534 (open_file): Update to ensure we use the simplified filename.
7535 (stack_include_file): Don't set search_from.
7536 (cpp_included): Don't simplify the path name here.
7537 (find_include_file): New prototype. Call search_from to
7538 get the start of the "" include chain. Don't simplify the
7540 (_cpp_execute_include): New prototype. Move diagnostics to
7541 do_include_common. Update.
7542 (_cpp_pop_file_buffer): Don't set defined.
7543 (search_from): New prototype. Use the preprocessor's cwd
7544 for files included from the command line.
7545 (read_name_map): Don't simplify the pathname here.
7546 * cpphash.h (enum include_type): New.
7547 (struct buffer): Delete search from. New search_cached.
7548 (_cpp_execute_include): Update prototype.
7549 * cppinit.c (do_includes): Use _cpp_execute_include.
7550 * cpplib.c (do_include_common): New function.
7551 (do_include, do_include_next, do_import): Use it.
7553 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7555 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7556 contents of the RTL, to determine the name of the object.
7558 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7560 * tree.h (DECL_RTL): Allocate RTL lazily.
7561 (SET_DECL_RTL): New macro.
7562 (DECL_RTL_SET_P): Likewise.
7563 (COPY_DECL_RTL): Likewise.
7564 (DECL_RTL_IF_SET): Likewise.
7565 * varasm.c (make_decl_rtl): Add assertions about the kind of
7566 declaration we are processing.
7567 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7568 (start_decl): Likewise.
7569 (finish_decl): Likewise.
7570 * c-semantics.c (emit_local_var): Likewise.
7571 * calls.c (expand_call): Likewise.
7572 * dbxout.c (dbxout_symbol): Likewise.
7573 * emit-rtl.c (unshare_all_rtl): Likewise.
7574 (unshare_all_decls): Likewise.
7575 (reset_used_decls): Likewise.
7576 * expr.c (store_constructor): Likewise.
7577 (safe_from_p): Likewise.
7578 (expand_expr): Likewise.
7579 * function.c (put_var_into_stack): Likewise.
7580 (instantiate_decls_1): Likewise.
7581 (assign_parms): Likewise.
7582 (expand_function_start): Likewise.
7583 (expand_function_end): Likewise.
7584 * ggc-common.c (gcc_mark_trees): Likewise.
7585 * integrate.c (function_cannot_inline_p): Likewise.
7586 (copy_decl_for_inlining): Likewise.
7587 (expand_inline_function): Likewise.
7588 (integrate_parm_decls): Likewise.
7589 (integrate_decl_tree): Likewise.
7590 * print-tree.c (print_node): Likewise.
7591 * reg-stack.c (stack_result): Likewise.
7592 * stmt.c (label_rtx): Likewise.
7593 (expand_return): Likewise.
7594 (expand_decl): Likewise.
7595 (expand_decl_cleanup): Likewise.
7596 (expand_anon_union_decl): Likewise.
7597 * toplev.c (check_global_declarations): Likewise.
7598 (rest_of_decl_compilation): Likewise.
7599 * tree.c (simple_cst_equal): Likewise.
7600 * objc/objc-act.c (generate_static_references): Likewise.
7602 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7604 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7605 gcc_AC_C_FLOAT_FORMAT): New macros.
7606 * configure.in: Add AC_PROG_CPP after CC tests;
7607 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7608 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7609 * configure, config.in: Regenerate.
7611 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7612 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7613 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7614 config/i370/xm-linux.h, config/i370/xm-oe.h,
7615 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7616 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7617 config/pa/xm-linux.h, config/pa/xm-pa.h,
7618 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7619 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7620 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7621 config/we32k/xm-we32k.h: Delete.
7623 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7624 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7625 config/vax/xm-vms.h: Don't define any of:
7626 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7628 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7630 * config.gcc: Remove references to deleted files.
7631 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7632 FATAL_EXIT_CODE, which is the same between oe and mvs).
7634 2001-03-14 DJ Delorie <dj@redhat.com>
7635 Vladimir Makarov <vmakarov@redhat.com>
7637 * config/i960/i960.c (i960_function_prologue): Compute size of
7638 frame according to number of registers actually saved there.
7640 2001-03-14 Richard Henderson <rth@redhat.com>
7642 * expr.c (emit_move_insn_1): Fix else if around #endif.
7644 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7647 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7650 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7652 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7653 (override_options): Parse cmodel string.
7654 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7655 * i386.h (TARGET_OPTIONS): Add "cmodel".
7656 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7658 (ix86_cmodel_string, ix86_cmodel): Declare.
7660 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7663 * i386.h (GENERAL_REG_P): Add missing REG_P.
7665 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7667 * configure.in: Use $gcc_cv_as instead of $as.
7668 * configure: Regenerated.
7670 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7672 * cppfiles.c (stack_include_file): Only increase the include
7673 count if we actually process the file properly, as opposed
7674 to treating it as length zero. Only call read_include_file
7675 if not DO_NOT_REREAD. Handle the -H include file output
7677 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7678 (cpp_included, find_include_file): Simplify pathnames after
7679 remapping them. If remapping, don't use the remapped file
7680 name's buffer as our scratch buffer.
7681 (cpp_pop_file_buffer): Replace the multiple include macro
7682 only if it isn't yet set.
7683 (read_name_map): Simplify remapped names when reading in.
7684 (remap_filename): Move code to code path that uses it.
7685 (_cpp_simplify_pathname): Return the input pointer.
7686 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7688 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7690 * expr.c (expand_expr): Revove bogus conditional.
7692 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7694 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7696 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7698 * reg-stack.c (stack_result): Unconditionally use
7699 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7701 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7703 * expr.c (emit_move_insn_1): Split push of complex value when
7704 no suitable push instruction exist.
7706 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7707 instead of QI_REG_P.
7709 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7711 * alias.c (handled_component_p, can_address_p): New functions.
7712 (get_alias_set): Use them.
7714 2001-03-13 Jim Wilson <wilson@redhat.com>
7716 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7717 from 80 in try_locals code.
7718 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7720 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7722 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7723 gcc_AC_C_LONG_LONG): New.
7724 * configure.in: Use them. Probe the size of short, int, long,
7725 and long long/__int64 if we have them. Move all the AC_C_*
7726 checks together, except gcc_AC_C_CHAR_BIT which has to go
7727 after AC_CHECK_HEADERS(limits.h).
7728 Take hwint.h out of host_xm_file and build_xm_file.
7730 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7731 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7732 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7733 Move the HOST_WIDEST_INT setup logic here from system.h.
7734 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7736 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7737 is now handled by hwint.h.
7739 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7740 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7741 config/ia64/xm-ia64.h: Don't define any of:
7742 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7743 HOST_BITS_PER_LONGLONG.
7745 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7746 config/h8300/xm-h8300.h, config/mips/iris6.h,
7747 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7748 config/sparc/xm-sp64.h: Delete.
7749 * config.gcc: Remove references to deleted files.
7751 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7752 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7753 * config/i370/xm-linux.h: Clarify floating-point situation in
7756 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7758 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7759 (find_include_file): Decide here which part of the include
7760 chain to start the search. Complain about an empty include
7761 chain in all cases apart from an abolsute file name.
7762 (_cpp_execute_include): Don't choose the search chain here.
7763 Don't call handle_missing_include in the case of an empty
7765 (_cpp_compare_file_date): Don't choose the search chain here.
7766 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7767 here from _cpp_execute_include. Behave like #include if
7768 we're in the main file.
7770 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7772 * system.h (malloc, realloc, calloc, strdup): Only poison these
7773 tokens when IN_GCC is defined.
7775 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7777 * i386.md (abs?f expander): Support SSE case.
7778 (abd?f_if): Add new "USE"; add splitters.
7780 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7782 * cpp.texi (poison): Explain the macro expansion exception.
7784 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7786 * expr.c (store_expr): Add dont_store_target. If temp is already in
7787 target before copying to reg, don't store it into target again.
7789 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7791 * cppinternals.texi: Update for file handling.
7793 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7795 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7796 2001-02-24 which broke building the Java library.
7797 * function.c (identify_blocks): Likewise.
7798 (all_blocks): Likewise.
7799 * integrate.c (integrate_decl_tree): Likewise.
7800 * print-tree.c (print_node): Likewise.
7801 * tree.h (BLOCK_NUMBER): Likewise.
7802 (struct tree_block): Likewise.
7804 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7806 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7807 __WCHAR_TYPE__ definition.
7808 (WCHAR_TYPE_SIZE): #undef before #define.
7810 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7812 * cppfiles.c: Update comments.
7813 (destroy_include_file_node): Rename destroy_node.
7814 (find_or_create_entry): New function.
7815 (open_file, _cpp_fake_include): Use it.
7816 (handle_missing_header): New function, broken out of
7817 _cpp_execute include. Don't segfault if there is no
7818 system or quoted path.
7819 (_cpp_execute_include): Use handle_missing_header.
7821 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7823 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7824 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7826 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7828 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7829 unless anti_dependence says they are.
7830 * alias.c (objects_must_conflict): If neither has a type specified,
7833 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7834 David Billinghurst <David.Billinghurst@riotinto.com>
7836 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7838 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7840 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7841 (*_one_bit): Remove type on the match_operand in attributes.
7843 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7845 * i386.c: Commit forgotten hunk in previous patch.
7846 (regclass_map): Add extended registers.
7847 (dbx_register_map): Add missing frame register.
7849 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7851 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7853 * i386.md (x86_sahf_1): Disable for 64bit.
7854 (popsi*, pophi*): Likewise.
7855 (pushqi, pushhi): Likewise.
7856 (movdi, pushdi): Likewise.
7857 (zero extend DImode splitter): Likewise.
7858 (adddi, minusdi splitter): Likewise.
7859 (umulsidi): Likewise.
7861 (mulsidi): Disable for 64bit
7862 (lshift:DI/ashift:DI): Disable for 64bit.
7863 (loop patterns): Likewise.
7864 (call_pop, call_value_pop expanders and patterns): Likewise.
7865 (prologue_get_pc): Likewise.
7867 (fcmovDI pattern and splitter): Likewise.
7868 (movdfcc_1_rex64): New.
7870 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7872 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7873 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7874 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7875 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7876 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7877 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7878 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7879 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7880 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7881 (REGPARM_MAX): Set to 6 for x86_64.
7882 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7883 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7886 * (patterns that does use upper halves): Update constraints
7887 'q' to 'Q' and 'r' to 'R'.
7888 (cmpqi_ext_1): Disable for 64bit.
7889 (cmpqi_ext_3_insn): Likewise.
7890 (movqi_extzv_1): Likewsie.
7891 (addqi_ext_1): Liekwsie
7892 (testqi_ext_1): Liekwsie
7893 (andqi_ext_1): Liekwsie
7894 (xorqi_ext_1): Liekwsie
7895 (cmpqi_ext_1_rex64): New.
7896 (cmpqi_ext_3_insn_rex64): Likewise.
7897 (movqi_extzv_1_rex64): Likewsie.
7898 (addqi_ext_1_rex64): Liekwsie
7899 (testqi_ext_1_rex64): Liekwsie
7900 (andqi_ext_1_rex64): Liekwsie
7901 (xorqi_ext_1_rex64): Liekwsie
7903 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7905 * configure.in: Move check for unsigned enumerated bitfields
7906 to macro in aclocal.m4. Disable it for now.
7907 * configure, config.in: Regenerate.
7908 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7909 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7910 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7911 kind above its first use.
7913 * config/xm-interix.h, config/alpha/xm-alpha.h,
7914 config/i370/xm-linux.h, config/i386/xm-beos.h,
7915 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7916 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7917 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7918 Don't define ONLY_INT_FIELDS under any circumstances.
7920 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7922 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7923 config/sparc/xm-sysv4.h: Delete - now identical with some
7925 * config.gcc (hppa targets): Replace xm-pahpux.h and
7926 xm-papro.h with implicit xm-pa.h.
7927 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7930 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7932 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7933 before reload_cse_noop_set_p.
7935 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7937 * config.gcc: Where xm-host.h used to include another
7938 xm-host.h, list the nested header directly in xm_file. Remove
7939 references to deleted files. Can now use sparc/xm-sp64.h for
7942 * config/xm-linux.h, config/arm/xm-linux.h,
7943 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7944 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7945 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7946 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7947 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7950 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7951 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7952 bother to wrap #undef in #ifdef.
7953 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7954 Don't include xm-linux.h.
7955 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7957 * configure.in: Wrap regexps using [] in changequote block.
7958 Use expr : not echo | grep. Simplify regexps.
7959 * configure: Regenerate.
7961 56 xm-files remain, 22 xm-arch.
7963 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7965 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7966 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7967 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7968 (copy_object): Fix format specifier vs argument mismatch.
7970 * mips-tdump.c: Make local functions static.
7971 (rindex): Don't #undef.
7972 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7973 (fatal, fancy_abort): Delete.
7974 (read_seek): Avoid signed/unsigned compare.
7976 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7978 * combine.c (try_combine): Fix error in change to try original
7980 (gen_rtx_combine): Do same as gen_rtx for now.
7982 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7984 * configure.in: AC_SUBST xm_defines.
7985 * configure: Regenerate.
7986 * Makefile.in: Set DEFINES=$(xm_defines) when building
7989 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7991 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7992 (cpp_included, find_include_file): Update.
7993 (_cpp_compare_file_date): Make else unconditional.
7995 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7997 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7999 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8001 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8002 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8004 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
8006 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8007 if it's a record type.
8009 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
8011 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
8012 mingw includes slightly.
8014 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8016 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8017 #undef token before poisoning it.
8019 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8021 * alpha.c (check_float_value): Use memcpy, not bcopy.
8023 * m32r.c (m32r_sched_reorder): Likewise.
8025 * vax.c (check_float_value): Likewise.
8027 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8029 * toplev.c (file_name_nondirectory): Remove.
8030 * toplev.h: Similarly.
8031 * dwarf2out.c (compute_section_prefix): Use lbasename instead
8032 of file_name_nondirectory.
8034 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8036 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8037 * mips-tfile.c: Don't #undef rindex; not used.
8039 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
8041 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8042 (dbx64_register_map): Declare.
8043 (RETURN_ADDR_RTX): Fix for 64bit.
8044 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8045 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8046 * i386.c (dbx64_register_map): New global array.
8047 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8048 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8051 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8053 * cppfiles.c (search_from): Use lbasename.
8054 * mkdeps.c (deps_add_default_target): Use lbasename.
8056 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8058 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8059 xcalloc in lieu of malloc, realloc & calloc.
8061 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8063 * gengenrtl.c (xmalloc): Likewise.
8065 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8066 really_call_* memory allocation routines.
8068 * stmt.c (check_for_full_enumeration_handling): Use
8069 really_call_calloc, not calloc.
8071 * system.h (really_call_malloc, really_call_calloc,
8072 really_call_realloc): Define.
8073 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8075 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
8077 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8079 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
8081 * configure: Rebuilt.
8082 * configure.in: Only use `lang_requires' for languages athat are
8085 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
8087 * invoke.texi: Fix typo.
8088 * gcc.1: Regenerate.
8090 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8092 * configure.in: Prune nonexistent files from build_xm_file,
8093 xm_file, and host_xm_file lists. Warn unless they're
8095 Don't generate *config.h here.
8096 AC_SUBST all variables needed to generate *config.h.
8097 * configure: Regenerate.
8098 * mkconfig.sh: New helper script, from code removed from
8100 * Makefile.in: Zap all MALLOC variables - no longer used
8101 anywhere, and malloc.c doesn't exist.
8102 Substitute in variables needed to generate *config.h.
8103 Stop lying about the dependencies contained in CONFIG_H and
8105 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8106 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8107 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8108 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8109 $(TM_P_H), etc. as appropriate.
8111 * config.gcc: Zap references to deleted files.
8112 * ggc-none.c: Don't include rtl.h or tm_p.h.
8114 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8115 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8116 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8117 config/i386/xm-linux.h, config/i386/xm-linux.h,
8118 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8119 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8120 Don't include i386/xm-i386.h.
8122 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8123 config/i386/xm-i386.h, config/i860/xm-i860.h,
8124 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8125 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8126 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8127 Delete (empty except comments, #includes of other deleted
8128 files, and macros used nowhere).
8130 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8132 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8133 independent on TARGET_FLAGS.
8135 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8137 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8139 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8141 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8143 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8144 LAST_REX_SSE_REG): define.
8145 (enum reg_class): Add 'LEGACY_REGS'
8146 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8147 (SSE_REGNO_P): Recognize extended registers.
8148 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8149 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8150 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8151 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8152 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8153 REG_OK_FOR_STRREG_P): Remove.
8154 (HI_REGISTER_NAMES): Add extended registers.
8155 (ADDITIONAL_REGISTER_NAMES): Likewise.
8156 (QI_REGISTER_NAMES): Add 8bit extended registers.
8157 (DEBUG_REG): Support extended registers.
8158 * i386.c (regclass_map): Add extended registers.
8159 (dbx_register-map): Likewise.
8160 (svr4_dbx_register_map): Likewise.
8161 (print_reg): Support extended registers.
8162 (print_operand): Support 64bit operands.
8164 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8166 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8167 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8168 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8169 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8170 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8171 STACK_BOUNDARY): Set properly for 64bits.
8172 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8173 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8174 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8175 (MOVE_MAX): Set to 16.
8176 (MOVE_MAX_PIECES): 8 for 64bit.
8177 (Pmode): Set to SImode.
8179 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8181 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8183 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8185 * i386.h (mask_64bit): New constant.
8186 (target_64bit): New macro.
8187 (target_options): Add '64'/'32'
8188 (target_default): Define.
8189 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8190 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8191 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8193 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8195 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8197 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8199 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8200 LO_SUM unless for_alias is set.
8202 2001-03-08 Stan Shebs <shebs@apple.com>
8204 * objc/objc-act.c: Fix old typos in comments, add comments for
8206 (hash_init): Fix file name in error message.
8207 (hash_enter): Ditto.
8208 (hash_add_attr): Ditto.
8209 (continue_class): Ditto.
8211 2001-03-08 Bruce Korb <bkorb@gnu.org>
8213 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8214 wait4() can receive the signal.
8216 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8218 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8220 * fixinc/fixincl.x: Regenerate.
8222 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8224 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8226 * fixinc/fixincl.x: Regenerate.
8228 2001-03-08 Richard Henderson <rth@redhat.com>
8230 * configure.in (HAVE_AS_LEB128): New assembler check.
8231 * configure, config.in: Rebuilt.
8233 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8235 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8238 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8240 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8241 references to the MAXPATHLEN macro.
8243 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8244 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8247 * config/i386/xm-gnu.h, config/xm-gnu.h,
8248 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8249 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8250 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8251 and/or unused files.
8253 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8254 doing so in various xm-*.h files.
8256 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8258 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8260 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8262 * configure.in (enable_shared): Support per-package shared-library
8264 * configure: Rebuilt.
8266 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8268 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8269 for crnot. Set operands[5] in splitter.
8271 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8273 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8274 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8275 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8276 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8277 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8278 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8279 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8282 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8283 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8284 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8285 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8286 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8287 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8288 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8289 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8290 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8291 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8292 Delete unused and/or empty files.
8294 * config.gcc: Define USG in xm_defines as appropriate. Define
8295 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8296 macro. Remove deleted xm-* files from $xm_files variable.
8298 2001-03-07 Tom Tromey <tromey@redhat.com>
8300 * configure: Rebuilt.
8301 * configure.in: Allow config-lang.in to set `lang_requires' to list
8302 of other required languages.
8304 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8306 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8308 (output_prologue): Use xmalloc not oballoc.
8309 (output_epilog): Free a29k_first_epilogue_insn when finished.
8310 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8312 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8314 * builtins.c (expand_builtin_mathfn): Check
8315 flag_unsafe_math_optimizations, not flag_fast_math.
8316 (expand_builtin): Likewise
8317 * combine.c (combine_simplify_rtx): Likewise.
8318 (simplify_if_then_else): Likewise.
8319 * cse.c (fold_rtx): Likewise.
8320 * flags.h: Remove flag_fast_math. Add
8321 flag_unsafe_math_optimizations and flag_trapping_math.
8322 * fold-const.c (negate_expr): Check
8323 flag_unsafe_math_optimizations, not flag_fast_math.
8324 (invert_truthvalue): Likewise.
8325 (fold): Likewise. Before associating operands, check that
8326 code == MULT_EXPR, not code != MULT_EXPR.
8327 * ifcvt.c (noce_try_minmax): Check
8328 flag_unsafe_math_optimizations, not flag_fast_math.
8329 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8330 * invoke.texi: Document -funsafe-math-optimizations and
8331 -fno-trapping-math. Change documentation for -ffast-math.
8332 * jump.c (reversed_comparison_code_parts): Likewise.
8333 (rtx_equal_for_thread_p): Likewise.
8334 * optabs.c (emit_conditional_move): Likewise.
8335 * simplify-rtx.c (simplify_binary_operation): Likewise.
8336 (simplify_relational_operation): Likewise.
8337 (simplify_ternary_operation): Likewise.
8338 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8339 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8340 Add trapping-math and unsafe-math-optimizations entries to f_options.
8341 (set_fast_math_flags): New, sets flags for -ffast-math.
8342 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8343 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8344 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8346 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8347 (alpha_emit_conditional_move): Initialize local_fast_math to
8348 flag_unsafe_math_optimizations, not flat_fast_math.
8349 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8350 instead of setting flag_fast_math to 1.
8351 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8353 * config/i386/i386.c (override_options): Likewise
8354 * config/i386/i386.md: Likewise.
8355 * config/m68k/m68k.md: Likewise.
8356 * config/mips/mips.md: Likewise.
8357 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8358 (rs6000_generate_compare): Likewise.
8360 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8362 * Makefile.in: Set RANLIB to @RANLIB@.
8365 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8367 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8368 * fixinc/fixincl.x: Regenerated.
8370 2001-03-07 Richard Henderson <rth@redhat.com>
8372 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8374 2001-03-07 Richard Henderson <rth@redhat.com>
8376 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8377 of block notes and exception handling notes.
8379 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8380 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8381 (compile_file): ... here.
8383 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8385 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8387 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8388 config.h now. Include libiberty.h to handle alloca.
8390 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8392 * c-parse.in (yylexname): New function, split out of _yylex.
8393 (objc_rid_sans_at): New table.
8394 (init_reswords): Initialize it.
8395 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8396 retrieving the next token and checking it for significance as
8397 an ObjC keyword or string constant.
8399 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8400 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8402 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8405 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8407 * config/m68k/m68k.c (const_uint32_operand): Accept any
8408 const_int on a 32-bit host.
8410 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8412 * objc/objc-act.c (init_objc): Set save_lang_status,
8413 restore_lang_status, and mark_lang_status.
8415 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8417 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8419 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8421 * cppinternals.texi: Update.
8423 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8425 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8426 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8427 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8428 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8429 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8430 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8431 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.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/m68k/xm-m68k.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, config/pa/xm-pa64hpux.h,
8439 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8440 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8441 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8442 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8443 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8444 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8445 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8446 match the defaults provided in hwint.h.
8448 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8449 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8451 * config.gcc (xm_file): Don't set to files which are deleted.
8453 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8454 guard this file against these macros being undefined.
8456 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8458 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8459 and DECL_DEFER_OUTPUT on the decl we create, before calling
8460 rest_of_decl_compilation.
8462 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8464 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8466 * configure, config.in: Regenerate.
8467 * config.gcc: Remove references to deleted files.
8469 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8470 genrecog.c, rtl.c: Do not use alloca anywhere.
8472 * Makefile.in, build-make, system.h, config/x-interix,
8473 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8474 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8475 config/arc/xm-arc.h, config/arm/xm-arm.h,
8476 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8477 config/h8300/xm-h8300.h, config/i370/x-oe,
8478 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8479 config/i386/x-ncr3000, config/i386/x-sco5,
8480 config/i386/xm-dgux.h, config/i860/x-sysv4,
8481 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8482 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8483 config/m68k/x-hp320g, config/m69k/x-mot3300,
8484 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8485 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8486 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8487 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8488 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8489 config/mips/x-iris, config/mips/x-iris3,
8490 config/mips/x-sni-svr4, config/mips/x-sysv,
8491 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8492 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8493 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8494 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8495 config/pa/xm-papro.h, config/romp/xm-romp.h,
8496 config/rs6000/x-aix31, config/rs6000/x-aix41,
8497 config/rs6000/x-beos, config/rs6000/x-lynx,
8498 config/rs6000/x-mach, config/rs6000/x-rs6000,
8499 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8500 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8501 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8502 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8503 config/vax/xm-vms.h: Eradicate all references to alloca and
8506 * config/xm-alloca.h, config/clipper/x-clix,
8507 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8508 config/i860/x-sysv3, config/m88k/x-sysv3,
8509 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8510 (contained only alloca related hacks).
8512 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8515 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8517 * invoke.texi: Document __FAST_MATH__.
8519 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8521 * crtstuff.c: Restore include of auto-host.h.
8523 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8525 Put main() in a separate file, so that the language
8526 front-end can use a different main().
8529 * toplev.c: (main): Rename as toplev_main.
8530 * toplev.h: Declare toplev_main.
8531 * Makefile.in (OBJS): add toplev.o.
8532 (BACKEND): remove toplev.o, add main.o.
8534 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8536 * cppfiles.c (search_from): Special case the empty string.
8538 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8540 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8541 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8542 strlen or strcpy; we already know the length.
8543 (_cpp_compare_file_date): Similarly.
8544 * cpphash.h (struct cpp_reader): Delete done_initialising.
8545 (CPP_PREV_BUFFER): Delete.
8546 * cppinit.c (cpp_start_read): Don't set done_initialising.
8547 * cpplex.c (parse_string): Guarantee null-termination.
8548 (_cpp_equiv_toklists): Remove.
8549 * cpplib.c (glue_header_name): Null-terminate.
8550 (do_line): Don't leak memory.
8551 * cpplib.h (BT_WEAK): Delete.
8552 * cppmain.c (cb_ident): Strings are now null-terminated.
8554 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8556 * gcc.c (convert_filename): Append executable suffix
8557 if NO_AUTO_EXE_SUFFIX is not defined.
8558 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8559 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8561 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8563 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8564 * c-parse.gperf, c-gperf.h: Delete.
8565 (c-gperf.h was accidently re-added to the CVS repo in the rev
8566 1.16 commit by tromey)
8568 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8570 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8571 macro arguments when looking for the '('.
8572 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8573 2 when really parsing arguments; 1 when looking for '('.
8574 Always restore the lexer position.
8576 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8578 * longlong.h (umul_ppmm): Don't use a multiline string.
8580 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8582 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8583 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8584 t_bool in declaration because pcc can't combine volatile with typedef
8587 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8589 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8590 until when it is really needed.
8591 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8592 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8593 * i386.md (float?i?f splitter): Don't force source operand to memory
8595 (sse_movdfcc): Fix constraint.
8596 (sse_movdfcc splitter): Handle properly the second alternative.
8598 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8600 * cpplex.c (parse_string): Unconditionally pedwarn.
8602 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8605 * cppexp.c (parse_number): Update.
8606 * cpplex.c (parse_string): Pedwarn if multiline string does not
8607 result from a system header's macro.
8608 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8609 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8610 for function-like macros too.
8611 * c-lex.c (lex_number): Update.
8613 2001-03-03 Richard Henderson <rth@redhat.com>
8615 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8617 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8619 * combine.c (try_combine): If split with mode-changed scratch
8620 register didn't work, try the original mode.
8622 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8624 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8625 * config/c4x/c4x.h: Likewise.
8626 * stor-layout.c (compute_record_mode): Likewise.
8627 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8629 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8631 * configure.in: Kill tm.h. Include the files in the $tm_file
8632 list in all three of config.h, hconfig.h, tconfig.h, after the
8633 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8634 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8635 * configure: Regenerate.
8636 * Makefile.in (clean): Don't delete tm.h.
8638 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8639 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8640 those are not defined, set SEC and FEC to 0 and 1.
8641 * gcc.texi: Update to match.
8643 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8644 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8645 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8646 Include tconfig.h, not tm.h.
8648 * config/xm-lynx.h, config/xm-std32.h,
8649 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8650 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8651 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8652 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8653 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8654 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8655 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8656 config/i386/xm-i386.h, config/i860/xm-i860.h,
8657 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8658 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8659 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8660 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8661 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8662 config/pa/xm-linux.h, config/pa/xm-pa.h,
8663 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8664 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8665 config/pj/xm-pj.h, config/romp/xm-romp.h,
8666 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8667 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8668 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8669 config/v850/xm-v850.h, config/vax/xm-vax.h,
8670 config/we32k/xm-we32k.h:
8672 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8674 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8675 config/i370/xm-oe.h: Don't include tm.h. Don't define
8677 * config/vax/xm-vms.h: Don't include tm.h.
8679 * config/xm-lynx.h, config/avr/xm-avr.h,
8680 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8681 Delete; made empty by above changes.
8682 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8683 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8684 Don't include config/xm-lynx.h or tm.h.
8686 * config/xm-gnu.h: Don't include fcntl.h.
8687 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8689 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8691 2001-03-02 Richard Henderson <rth@redhat.com>
8693 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8694 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8696 2001-03-02 Richard Henderson <rth@redhat.com>
8698 * Makefile.in (OBJS): Add dwarf2asm.o.
8699 * dwarf2asm.c, dwarf2asm.h: New files.
8700 * dwarf2out.c (*): Use them.
8701 (size_of_uleb128, size_of_sleb128): Remove.
8702 (output_uleb128, output_sleb128): Remove.
8703 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8704 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8705 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8706 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8707 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8708 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8709 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8710 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8711 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8712 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8713 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8714 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8715 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8716 (dwarf2out_frame_debug): Remove unused variables.
8717 (output_loc_operands): Don't abort on 8 byte constants if
8718 host integers are wide enough.
8719 (output_symbolic_ref): Remove.
8720 (size_of_die): Don't assume 4 byte host integers.
8721 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8723 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8724 something stupid with HOST_WIDE_INT to long truncation.
8725 [CONST_DOUBLE]: Likewise.
8727 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8728 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8729 * config/arm/unknown-elf.h: Likewise.
8730 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8731 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8732 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8733 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8734 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8735 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8736 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8737 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8738 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8739 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8740 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8741 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8743 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8745 * cselib.c (hash_rtx): Cast enums to unsigned int.
8747 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8749 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8750 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8752 * c-format.c (C_STD_VER): Cast to int for comparisons.
8753 (check_function_format): Cast various enums to int for &.
8754 (maybe_read_dollar_number): Likewise.
8755 (check_format_info): Likewise.
8756 (check_format_info_main): Likewise.
8757 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8758 (safe_from_p): Likewise.
8759 * varasm.c (const_hash): Cast enum to int for %.
8760 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8761 pcc enum problems with < and ++ operators.
8762 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8763 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8764 (regclass_init): Change enum class to int to iterate over reg_classes.
8765 * genrecog.c (merge_trees): Cast enums for comparison.
8766 * rtl.h (GET_CODE): Cast to enum rtx_code.
8767 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8768 (GET_MODE): Cast to enum machine_mode.
8769 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8770 (GET_NOTE_INSN_NAME): Cast enum to int.
8771 * tree.h (TREE_CODE): Cast to enum tree_code.
8772 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8773 * timevar.c (timevar_print): Change loop variable id from enum to
8775 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8776 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8777 * toplev.c (compile_file): Cast enum DFI to int.
8778 (decode_d_option): Likewise.
8780 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8782 * cppinit.c (append_include_chain): Mark "after" include file name list
8783 as a system directory.
8784 * cpp.texi: Document new behavior.
8786 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8788 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8790 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8792 * cppfiles.c (struct include_file): Update.
8793 (stack_include_file): Use search_from.
8794 (cpp_included, find_include_file): Update.
8795 (cpp_execute_include): Update. ptr->name may not be
8796 null terminated. Use the new search_from member variable
8798 (_cpp_compare_file_date): Similarly.
8799 (search_from): New function, similiar to actual_directory.
8800 (actual_directory): Delete.
8801 (remap_filename): Update. loc->name may not be null terminated.
8802 (struct file_name_list): Rename search_path. Update.
8803 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8804 search_from and dir.
8805 (struct cpp_reader): Remove actual_dirs.
8806 * cppinit.c (struct cpp_pending): Update for renamed objects.
8807 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8808 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8809 * cpplib.h (struct cpp_options): Similarly.
8811 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8813 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8814 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8815 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8816 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8817 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8818 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8819 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8820 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8821 config/i370/xm-oe.h, config/i386/xm-aix.h,
8822 config/i386/xm-i386.h, config/i386/xm-osf.h,
8823 config/i860/xm-i860.h, config/i960/xm-i960.h,
8824 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8825 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8826 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8827 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8828 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8829 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8830 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8831 config/pj/xm-pj.h, config/romp/xm-romp.h,
8832 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8833 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8834 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8835 config/v850/xm-v850.h, config/vax/xm-vax.h,
8836 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8837 Do not define TRUE or FALSE.
8839 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8840 empty by above change.
8841 * config.gcc: Remove references to these files.
8843 * configure.in: Detect stdbool.h.
8844 * configure, config.in: Regenerate.
8845 * system.h: Include stddef.h here if available.
8846 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8847 Then set up a sensible boolean type at the very end.
8849 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8850 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8852 * hash.h: Delete 'boolean' typedef and related #undefs.
8854 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8855 all uses of 'boolean' with 'bool'.
8857 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8859 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8860 * cppexp.c (lex): Cast enums for comparison.
8861 * cppinit.c (parse_option): Cast enum for comparison.
8862 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8863 (cpp_output_token): Likewise.
8864 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8865 (cpp_avoid_paste): Cast enums for minus and comparison.
8867 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8869 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8870 field to all array elements.
8872 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8874 * cpphash.h (struct cpp_reader): Add print_version field.
8875 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8876 just set print_version and other flags as appropriate.
8877 (cpp_post_options): Print version here if print_version is set.
8879 * toplev.c (exit_after_options): New flag.
8880 (independent_decode_option): Don't exit here; just set
8882 (main): Exit after calling lang_hooks.post_options if
8883 exit_after_options is true.
8885 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8886 (merge_include_chains): Adjust comment to match code.
8888 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8890 * stringpool.c (set_identifier): New function.
8891 * tree.h: Prototype it.
8893 * c-parse.in: Kill D_YES. If compiled for objc, call
8894 save_and_forget_protocol_qualifiers from init_reswords.
8895 * objc/objc-act.c (remember_protocol_qualifiers,
8896 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8897 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8899 (save_and_forget_protocol_qualifiers): New function.
8900 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8902 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8904 * c-semantics.c (prune_unused_decls): Return error_mark_node
8905 instead of (tree) 1 to stop traversing the tree chain.
8907 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8909 Fix a problem introduced by Kenner's Feb 18 change.
8910 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8911 flag_cse_skip_blocks only temporarily, not for ever.
8913 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8915 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8916 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8918 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8919 before determining its register class.
8921 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8923 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8924 from reg 4 if current_function_calls_setjmp.
8925 (gen_nop_type): New function.
8926 (ia64_emit_nops): New function.
8927 (ia64_reorg): Call it.
8928 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8930 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8931 code not to try to optimize adds with anything but a REG destination.
8933 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8934 (INSN_PRIORITY_KNOWN): New accessor macro.
8935 * haifa-sched.c (priority): Use it instead of testing priority against
8938 2001-02-28 DJ Delorie <dj@redhat.com>
8940 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8941 since that doesn't work the way gcc wants on a generic m68k.
8943 2001-02-28 Richard Henderson <rth@redhat.com>
8945 * caller-save.c (save_call_clobbered_regs): Fix typo in
8946 comparison last change.
8948 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8950 * i386.c (pentium4_cost): New.
8951 (m_PENT4): New macro.
8952 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8953 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8954 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8955 x86_memory_mismatch_stall): Add Pentium4
8956 (x86_use_q_reg, x86_use_any_reg): Kill.
8957 (override_options): Add pentium4.
8958 (incdec_operand): Return 0 for pentium4.
8959 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8960 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8961 (TARGET_PENTIUM4): Define.
8962 (enum processor_type): Add PROCESSOR_PENTIUM4.
8963 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8964 * i386.md (attribute "cpu"): Add pentium4.
8965 * invoke.texi (march): Add pentium4.
8967 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8969 * i386.md (sse_mov?fcc*): New patterns and splitters.
8970 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8971 the SSE based conditional moves.
8973 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8975 * i386.md (attribute mode): Add "TI".
8976 (movsf_1): Add pxor support; remove constant propagation splitter.
8977 (movdf_integer): Likewise.
8978 (movdf_nointeger): Likewise.
8979 (movxf constant prop splitter): Handle all modes; update for SSE.
8980 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8981 * i386.c (standard_80387_constant_p): Rewrite.
8982 (standard_sse_constant_p): New.
8983 * i386-protos.h (standard_sse_constant_p): New.
8985 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8987 * i386.md (sse_setccsf, sse_setccdf): New.
8988 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8990 * i386.c (sse_comparison_operator): Accept the supported unordered
8991 comparses; be ready for fast_math.
8992 (print_operand): Support 'D'.
8994 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8996 * jump.c (reversed_comparison_code): Kill.
8998 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
9000 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9003 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
9005 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9006 add missing '%' in constraints.
9008 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
9010 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9011 for HOST_BITS_PER_WIDE_INT == 32 too.
9013 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
9015 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
9017 (insert_save, insert_restore): New parameter save_mode.
9018 (init_caller_save): Update initialization of reg_save_code
9019 and reg_restore_code.
9020 (save_call_clobbered_regs): Compute save_modes and update calls to
9021 reg_save_code and reg_restore_code.
9022 (insert_restore): Unsignetize numbers; use save_modes to choose mode
9023 of spill; update use of reg_restore_code.
9024 (insert_save): Likewise.
9025 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9026 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9027 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9029 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9031 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9032 noce_try_store_flag_inc, noce_try_store_flag_mask,
9033 noce_try_cmove_arith):
9034 Use reversed_comparison_code instead of reverse_comparison and
9035 can_reverse_comparison_p.
9037 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
9039 * jump.c (reversed_comparison_code_parts): Allow reversal of
9040 unordered compares in -ffast-math mode; reverse ordered compares
9041 for FP even w/o -ffast-math.
9043 2001-02-27 Richard Henderson <rth@redhat.com>
9045 * print-rtl.c (print_rtx) [i]: Don't print field five on
9046 NOTEs other than NOTE_INSN_DELETED_LABEL.
9048 2001-02-27 Zack Weinberg <zackw@stanford.edu>
9050 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9051 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9053 2001-02-27 Diego Novillo <dnovillo@redhat.com>
9055 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9056 even if walk_subtrees is 0.
9057 * c-semantics.c (prune_unused_decls): Return a non-null value to
9058 stop traversing the tree chain.
9060 2001-02-27 DJ Delorie <dj@redhat.com>
9062 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9063 register, *then* define it as the new CFA.
9065 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
9067 * pa.c (override_options): Promote -fpic to -fPIC.
9068 (legitimize_pic_address): Simplify due to removal of
9069 small PIC as a code generation option.
9070 (secondary_reload_class): Similarly.
9071 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9072 (PRINT_OPERAND_ADDRESS): Similarly.
9073 * pa.md (various patterns): Similarly.
9074 (small pic lo_sum pattern): Remove.
9076 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
9079 * md.texi (min, max): Document
9081 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
9083 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9084 TARGET_PARTIAL_REG_DEPENDENCY.
9085 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9087 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
9089 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9091 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
9093 * mips.c (mips_make_temp_file): Fix thinko in last change.
9095 2001-02-26 Jason Eckhardt <jle@redhat.com>
9097 * combine.c (known_cond): Do not reverse the condition when
9098 SMAX/UMAX is being considered and the condition is for equality
9101 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9103 2001-02-26 Philip Blundell <philb@gnu.org>
9105 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9107 * config/arm/linux-elf.h: Remove historical relics related to
9108 above configurations.
9109 * config/arm/linux-oldld.h: Delete.
9110 * config/arm/linux-elf26.h: Delete.
9112 2001-02-26 Jason Merrill <jason@redhat.com>
9114 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9116 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9117 recognize a tentative definition. Lose obsolete code.
9119 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9120 variables unless necessary, either.
9122 2001-02-25 Richard Henderson <rth@redhat.com>
9124 * ifcvt.c (struct noce_if_info): Add test_bb.
9125 (noce_get_alt_condition): New.
9126 (noce_try_minmax, noce_try_abs): New.
9127 (noce_operand_ok): New.
9128 (noce_process_if_block): Use them.
9129 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9131 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9133 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9136 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9138 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9139 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9141 (mips_asm_file_end): Free temp_filename here.
9143 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9145 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9146 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9148 * config/i386/i386.md (movstrsi): Handle FAIL case.
9150 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9152 * cppinit.c (builtin_array): Update.
9153 (init_builtins): Flag builtins to warn if redefined or
9154 undefined. Define __GXX_WEAK as a normal macro.
9155 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9156 * cpplib.h (NODE_WARN): New flag.
9157 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9158 Handle __STDC__ as a builtin only on Solaris.
9159 (warn_of_redefinition): Renamed from check_macro_definition.
9160 Reverse sense of test. Always warn if NODE_WARN.
9161 (_cpp_create_definition): Use warn_of_redefinition. Flag
9162 any macro beginning with "__STDC_" to require a mandatory
9163 warning if redefined or undefined.
9165 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9167 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9168 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9169 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9170 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9171 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9172 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9173 Don't define any of:
9174 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9175 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9176 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9177 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9178 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9180 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9181 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9184 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9185 Delete now-empty file.
9187 * alpha/vms.h: Define NEED_ATEXIT here...
9188 * alpha/xm-vms.h: ...not here.
9190 * i386/cygwin.h: Don't define PARAMS.
9191 * mips/mips.c: Don't prototype mktemp. Don't define
9192 P_tmpdir. Use make_temp_file to create temporary files.
9193 Don't be clever and delete temporary files early.
9194 * config.gcc: Drop references to deleted files. Don't define
9196 * gcc.texi: Don't mention USE_PROTOTYPES.
9198 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9200 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9201 (ix86_set_move_mem_attrs_1): Likewise.
9202 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9203 * config/i386/i386.md (movstrsi): Call it.
9205 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9207 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9208 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9209 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9210 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9212 (i750a-*-*): Error here if hosting on i750a.
9213 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9215 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9216 Remove (empty modulo comments).
9218 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9219 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9220 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9221 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9222 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9223 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9225 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9226 Remove reference to winnt.h in comment.
9227 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9229 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9231 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9232 used to set another biv.
9234 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9236 * tree.h (BLOCK_DEAD): New macro.
9237 (struct tree_block): New flag, dead_flag.
9238 * print-tree.c (print_node, case 'b'): Print missing fields.
9239 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9240 * function.c (identify_blocks): Enable test for misplaced notes.
9241 (all_blocks): Skip BLOCK_DEAD blocks.
9242 * integrate.c (integrate_decl_tree): Likewise.
9244 * errors.c (internal_error, trim_filename): New functions.
9245 (fancy_abort): Call internal_error.
9246 * errors.h (internal_error, trim_filename): New declarations.
9248 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9250 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9252 (EXTRA_CONSTRAINT): Formatting changes.
9254 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9256 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9258 2001-02-23 Per Bothner <per@bothner.com>
9260 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9261 so they can be called from java/jvspec.c.
9262 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9264 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9266 * i386.c (ix86_frame): New structure.
9267 (ix86_compute_frame_size): Kill.
9268 (ix86_compute_frame_layout): New.
9269 (ix86_save_reg): New.
9270 (ix86_can_use_return_insn_p): Use frame layout stuff.
9271 (ix86_expand_prologue): Likewise.
9272 (ix86_expand_epilogue): Likewise.
9273 (ix86_initial_elimination_offset): Likewise.
9274 (ix86_nsaved_regs): Use ix86_save_reg.
9275 (ix86_emit_save_regs): Likewise.
9277 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9279 * flow.c (find_sub_basic_blocks): New function.
9280 (split_block): Be ready for basic block introduced by CODE_LABEL.
9281 (commit_one_edge_insertion): Call find_sub_basic_block.
9283 * flow.c (make_edges): Add edge from entry for blocks starting with
9284 label having ALTERNATE_NAME
9286 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9288 * function.c (epilogue_done): Be ready for first basic block not
9289 containing PROLOGUE_END note.
9290 (reposition_prologue_and_epilogue_notes): Avoid placing
9291 PROLOGUE_END note between BASIC_BLOCK.
9293 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9295 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9297 2001-02-21 DJ Delorie <dj@redhat.com>
9299 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9300 check for current_function_has_nonlocal_goto from 1999-11-12.
9302 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9304 * diagnostic.c (trim_filename): No longer static.
9305 * toplev.h (trim_filename): Declare.
9306 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9307 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9308 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9309 (rtvec_check_failed_bounds): Likewise.
9310 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9312 * convert.c (convert_to_integer): Don't do unsigned unless result or
9313 both inputs are unsigned.
9315 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9318 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9320 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9322 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9324 * Makefile.in (resource.o): Add params.h dependence.
9325 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9326 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9327 * resource.c: Add dependence on params.h.
9328 (current_live_regs): Fix explanatory comment.
9329 (find_basic_block): Add new parameter to permit limiting search
9331 (mark_target_live_regs): Add new argument to find_basic_block call.
9332 (incr_ticks_for_insn): Likewise.
9334 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9336 * diagnostic.c (output_to_stream): Rename to
9337 output_buffer_to_stream. Loses the stream parameter.
9338 (init_output_buffer): Set diagnosic_buffer's stream.
9339 (flush_diagnostic_buffer): Adjust.
9340 (default_print_error_function): Likewise.
9341 (finish_diagnostic): Likewise.
9342 (verbatim): Likewise.
9344 * diagnostic.h (struct output_buffer): Add `stream' field.
9345 (output_buffer_attached_stream): New macro.
9347 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9349 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9350 check if either operand is divisible by C.
9351 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9352 If type is signed, consider negative numbers as well.
9354 2001-02-22 Richard Henderson <rth@redhat.com>
9356 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9357 reach .text instead of gp-relative relocs.
9358 * config/ia64/crtend.asm (.init): Likewise.
9360 2001-02-22 Andreas Jaeger <aj@suse.de>
9362 * extend.texi (C++ Attributes): Fix typo.
9364 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9366 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9367 functions, drop current_function_args_info.words test.
9368 (ia64_compute_frame_size): Mark syscall_linkage functions as
9369 using eight input registers.
9371 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9372 Bruce Korb <bkorb@gnu.org>
9374 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9375 * fixinc/README: Document how to convert sed substitutions
9376 to format style c_fix-es.
9377 * fixinc/fixincl.x: regen
9379 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9381 * gcc.c: Add comment explaining how to add a command-line option.
9382 Add title to specs language comment.
9384 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9386 * gcc.c (cc1_options): Add "-param".
9387 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9388 (option_map): Likewise.
9389 * toplev.c (display_help): Add entry for "--param".
9390 (independent_decode_option): Fix typographical error.
9392 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9393 Bernd Schmidt <bernds@redhat.com>
9394 Jan Hubicka <jh@suse.cz>
9396 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9397 (function_arg): Likewise.
9399 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9401 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9403 2001-02-21 Kazu Hirata <kazu@hxi.com>
9405 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9409 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9411 * flow.c (init_propagate_block_info): Canon address and use single_set
9412 for killing dead memory stores.
9414 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9416 * Makefile.in (reorg.o): Add params.h dependence.
9417 * params.def: Fix typographical error in comment.
9418 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9419 * params.h: Modify introductory comment.
9420 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9421 * reorg.c: Add dependence on params.h.
9422 (redundant_insn): Add parameterized throttle for search.
9423 (fill_simple_delay_slots): Add a comment explaining a variable.
9424 Move conditional out of loop, simplifying code.
9425 (fill_eager_delay_slots): Fix typographical error in comment.
9427 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9429 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9431 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9432 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9434 2001-02-21 Jason Merrill <jason@redhat.com>
9436 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9437 (struct tree_decl): Add uninlinable bitfield.
9438 * c-decl.c (duplicate_decls): Set it.
9439 * integrate.c (function_cannot_inline_p): Check it.
9441 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9442 DW_AT_MIPS_linkage_name to abstract methods.
9443 (dwarf2out_abstract_function): Emit class context before calling
9444 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9445 (gen_subprogram_die): Remove obsolete code.
9446 (gen_member_die): Don't include clones in the member list.
9447 (gen_decl_die): Emit abstract info for clone origin.
9448 * dwarfout.c (output_type): Don't include clones in the member list.
9449 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9450 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9451 DECL_ABSTRACT on a function that already has it set.
9453 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9454 (get_subprogram_die): Pass it in.
9456 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9458 * flow.c (mark_set_1): Make not_dead unsigned long. For
9459 non-pseudos, use it as a bitmask of the hard regs that
9462 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9464 * cppfiles.c: Update comments.
9465 (_cpp_read_file): Don't check for NULL filenames any more.
9466 * cppinit.c (cpp_start_read): Don't do canonicalization of
9467 in_fname and out_fname. Use the passed file name exclusively.
9468 (_cpp_handle_options): Don't treat "-" as a command line option,
9469 but as a normal filename.
9470 (_cpp_post_options): Canonicalize in_fname and out_fname.
9471 * cppmain.c (printer_init): Don't check out_fname for NULL.
9472 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9473 (init_c_lex): Update, and use "" to represent stdin to CPP.
9476 2001-02-20 Will Cohen <wcohen@redhat.com>
9478 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9479 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9480 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9483 2001-02-20 Stan Shebs <shebs@apple.com>
9485 * config/rs6000/rs6000.c (output_cbranch): Output branches
9486 on separate lines instead of using ';' to separate.
9488 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9490 * cppinit.c (set_lang): Move builtin handling to...
9491 (init_builtins): ...here.
9492 (_cpp_create_reader): Move call to set_lang.
9494 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9496 * stmt.c (expand_return): If an attempt is made to return the
9497 error_mar_node, treat the return like a return without a value.
9499 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9501 * sibcall.c (skip_copy_to_return_value): Call
9502 identify_call_return_value here, and return orig_insn if it
9503 returns zero. Hardret and softret arguments now unnecessary.
9504 (call_ends_block_p): Don't call identify_call_return_value here.
9506 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9508 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9509 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9511 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9513 * pa.c (move_operand): Accept code to load the address of a
9514 symbol out of the DLT as a valid move operand.
9515 (print_operand, case 'A'): New to handle generating a DLT
9516 reference for a LO_SUM expression.
9517 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9518 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9520 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9522 * README, cpp.texi, gcc.texi, version.c: Update version number to
9524 * cpp.1, gcov.1, gcc.1: Regenerate.
9526 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9528 * cppfiles.c (stack_include_file): Generate dependencies
9529 here, and manage include_count here too.
9530 (PRINT_THIS_DEP): Delete.
9531 (_cpp_execute_include): Do not generate dependencies here,
9532 apart from the case of a missing header. Do not manage
9534 (_cpp_read_file): Leave dependency generation to
9537 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9539 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9540 target_cpu_default. Remove dead assignment to
9543 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9545 * regclass.c (contains_reg_of_mode): Make global.
9546 (init_reg_sets): Remove contains_reg_of_mode; take into account
9547 CLASS_MAX_NREGS when looking for the proper mode.
9548 (dump_regclass): Dump only classes considered for the pseudo.
9549 (regclass): Use contains_reg_of_mode.
9551 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9553 * gcc.c (do_spec_1): 'n' for printing notices.
9554 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9556 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9558 * reg-stack.c (next_flags_user): Use current_block->end
9559 (swap_rtx_condition): Look for next user if flags don't die;
9560 give up on CALL_INSNs; use current_block->end.
9562 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9564 * sibcall.c (call_ends_block_p): New function.
9565 (optimize_sibling_and_tail_recursive_call): Use it.
9567 2001-02-18 Kazu Hirata <kazu@hxi.com>
9569 * config/h8300/h8300.md: Update copyright.
9570 (andsi3): Do not output an extra newline character.
9572 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9574 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9575 FNDECL may be unused.
9577 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9578 follow jumps after first run.
9579 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9580 it doesn't change any jumps.
9582 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9584 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9585 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9586 (mostlyclean): Corresponding changes.
9587 * rtlanal.c (hard-reg-set.h): Include.
9588 (rtx_unstable_p): Do not treat the argument pointer specially
9589 if it is not a fixed register.
9590 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9592 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9594 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9595 against last real insn in basic block.
9596 Rework to avoid gotos.
9598 * Makefile.in (gcse.o): Now includes ggc.h.
9599 * gcse.c: Include ggc.h.
9600 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9601 (try_replace_reg): Remove warning of uninitialize variable.
9602 (process_insert_insn): Call invalid_insn_p to validate insn.
9603 * recog.c (insn_invalid_p): Now global.
9604 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9605 * recog.h (insn_invalid_p): New declaration.
9607 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9609 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9610 assignments from FP constants since 'Y' output code can't handle it.
9611 (eligible_for_sibcall_delay): Likewise.
9613 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9614 Call fancy_abort directly, passing args.
9615 (print_rtl_and_abort): Now a macro, like fancy_abort.
9617 * final.c (output_operand_lossage): Use internal_error, not error.
9619 2001-02-18 Shane Nay <shane@agendacomputing.com>
9621 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9622 structure shift insns.
9624 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9626 * invoke.texi (-fsquangle): Remove documentation.
9627 (-fname-mangling-version): Likewise.
9629 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9631 * optabs.c (expand_abs): Remove reference to
9632 HAVE_contitional_arithmetic.
9633 * combine.c (simplify_set): Likewise.
9635 2001-02-18 Richard Henderson <rth@redhat.com>
9637 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9640 2001-02-18 Richard Henderson <rth@redhat.com>
9642 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9644 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9646 * reload1.c (reload_cse_simplify_set): Fix typo.
9648 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9650 * diagnostic.c (_fatal_insn): Decrement errorcount.
9652 * invoke.texi (-I): Add note avoiding use for system header files.
9654 * rtl.h (add_clobbers): Remove duplicate declaration.
9655 * recog.h (added_clobbers_hard_reg_p): New declaration.
9656 * genemit.c (struct clobber_pat): New field has_hard_reg.
9657 (gen_insn): Record if added clobbers clobber hard reg.
9658 (gen_split): Avoid unused warning if number of operands is 0.
9659 (output_added_clobbers_hard_reg_p): New function.
9662 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9664 * pa.c (hppa_expand_prologue): Simplify code storing return
9665 pointer. For large (>=8k) frames with a post_store, adjust stack
9666 pointer by 8k-64 first rather than by 64. When testing with
9667 VAL_14_BITS_P, always use the actual value rather than the value
9668 negated. Add blockage to prevent scheduling of spills before
9669 stack frame has been created.
9670 (hppa_expand_epilogue): Simplify code loading return pointer.
9671 Allow a slightly larger range for merge_sp_adjust_with_load case.
9672 When testing with VAL_14_BITS_P, always use the actual value.
9674 * pa.c (pa_adjust_insn_length): Check that block move
9675 pattern is a set before looking at operands.
9677 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9679 * fold-const.c (fold_binary_op_with_conditional_arg): New
9680 function, split out from ...
9682 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9683 conditional arms that throw exceptions.
9685 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9688 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9690 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9691 define HAVE_DECL_* to 1 to mask potential backup declarations.
9692 * configure: Regenerated.
9694 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9696 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9698 2001-02-17 Richard Henderson <rth@redhat.com>
9700 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9701 when replacing a memory load with a register.
9703 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9704 Jan Hubicka <jh@suse.cz>
9706 * recog.c (validate_replace_src_1): New.
9707 (validate_replace_src_data): Likewise.
9708 (validate_replace_src): Use note_uses.
9709 * rtl.h (note_uses): Declare.
9710 * rtlanal.c (note_uses): New.
9712 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9714 * reg-stack.c (stack_def): Make field reg unsigned.
9715 (remove_regno_note): Unsignetize parameter.
9717 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9719 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9720 shladd_operand() call.
9722 2001-02-16 Bruce Korb <bkorb@gnu.org>
9723 Rodney Brown <RodneyBrown@mynd.com>
9725 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9726 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9727 machine restrictions
9728 * fixinc/fixincl.x: regen
9730 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9732 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9734 (hash_scan_insn): Clean up calls to hash_scan_set.
9735 (compute_kill_rd): REGNO now unsigned.
9736 (try_replace_reg): Rework to use simplify_replace_rtx.
9737 (cprop_jump, cprop_cc0_jump): Likewise.
9738 (cprop_insn): Call find_reg_equal_equiv_note.
9739 Reflect changes to cprop_jump and cprop_cc0_jump.
9741 * recog.c (validate_replace_src): Replace in operands of
9742 ZERO_EXTRACT in SET_DEST.
9744 * cse.c (new_label_ref): New variable.
9745 (insert): Set it instead of recorded_label_ref.
9746 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9747 CODE_LABEL for this function, and not already in REG_LABEL note.
9749 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9751 * resource.c (mark_referenced_resources): Fix typo in introductory
9753 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9756 2001-02-16 Jason Merrill <jason@redhat.com>
9758 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9760 (gen_subprogram_die): Don't abort on seeing a second definition if
9761 the previous one was abstract. Don't replace an abstract instance
9762 in the lookup table.
9764 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9765 gen_abstract_function.
9766 * dwarf2out.h: Declare it.
9767 * toplev.c (note_outlining_of_inline_function): New fn.
9768 * toplev.h: Declare it.
9769 * integrate.c (output_inline_function): Call it.
9770 * c-decl.c (duplicate_decls): Call it when redefining an extern
9771 inline. Don't inline the new defn.
9773 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9775 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9777 * .gdbinit: Rename to gdbinit.in.
9778 * gdbinit.in: New file,
9779 * configure.in: Generate .gdbinit from gdbinit.in.
9780 * configure: Regenerated.
9781 * Makefile.in (distclean): Always remove .gdbinit.
9783 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9785 * objc/objc-act.c (start_class): Register implemented_classes with
9788 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9790 * cppfiles.c (_cpp_make_system_header): Generate a file
9793 2001-02-15 Jim Meyering <meyering@lucent.com>
9795 * Makefile.in (install-common): Don't depend on installdirs here.
9796 Instead, make each of the lang.install-common targets (e.g.,
9797 c++.install-common in cp/Make-lang.in) depend on it.
9798 (install-driver): Depend on installdirs.
9800 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9802 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9804 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9807 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9809 * invoke.texi (--param): Document.
9811 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9813 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9815 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9817 * i386.md (extendsfdf2_2): Fix constraints.
9819 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9821 * i386.md (fop_df_3 splitter): Fix operand number.
9823 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9825 * invoke.texi (-mreg-alloc): Nuke.
9826 * i386.c (ix86_reg_alloc_order, regs_allocated,
9827 order_regs_for_local_alloc): Nuke.
9828 (override_options): Kill reg_alloc code.
9829 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9830 (REG_ALLOC_ORDER): SSE goes before I387.
9831 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9832 (ix86_reg_alloc_order): Likewise.
9833 * i386-protos.h (ix86_reg_alloc_order): Kill.
9835 2001-02-14 Richard Henderson <rth@redhat.com>
9837 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9839 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9841 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9843 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9845 * i386-protos.h (ix86_memory_move_cost): Move offline.
9846 * i386.c (ix86_register_move_cost): Compute properly cost of
9847 SSE, MMX and i387 instructions.
9848 (*_cost): Add costs of SSE/MMX moves.
9849 (ix86_memory_move_cost): Move offline from ....; Likewise.
9850 * i386.h (MEMORY_MOVE_COST): .... here;
9851 (struct processor costs): Add new fields to represent costs
9854 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9856 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9857 move_cost together with Matt Kraai's fix.
9859 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9861 * Makefile.in (OBJS): Add params.o.
9863 2001-02-14 Richard Henderson <rth@redhat.com>
9864 DJ Delorie <dj@redhat.com>
9866 * jump.c (jump_optimize_1): When we delete a conditional jump
9867 preceeding a non-conditional jump to effectively the same place,
9868 make sure that the combined jump skips any clobber insns between
9871 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9873 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9875 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9877 * Makefile.in (toplev.o): Depend on params.h.
9878 (intergate.o): Likewise.
9879 (params.o): New target.
9880 * flags.h (inline_max_insns): Remove.
9881 * integrate.c: Include params.h.
9882 Use MAX_INLINE_INSNS instead of inline_max_insns.
9883 * params.c: New file.
9884 * params.h: Likewise.
9885 * params.def: Likewise.
9886 * toplev.c: Include params.h.
9887 (lang_independent_params): New variable.
9888 (decode_f_option): Use the param machinery instead of setting
9890 (independent_decode_option): Handle "--param name=value".
9891 (main): Register language-independent parameters.
9893 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9895 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9897 2001-02-14 Richard Henderson <rth@redhat.com>
9899 * regclass.c (init_reg_sets_1): Revert last two changes.
9901 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9903 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9904 (variable_size): Call put_pending_size.
9905 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9906 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9907 sizes list, put newly created SAVE_EXPR there as well.
9909 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9911 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9912 (errata_find_address_regs): load_group has only 2 entries.
9913 (errata_emit_nops): Likewise. shladd is not problematic.
9914 Clear last_group if nop was emitted.
9915 (fixup_errata): load_group has only 2 entries.
9918 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9920 * c-lex.c (lex_number): Only warn traditionally for U suffix
9921 outside system macros.
9922 * cppexp.c (parse_number): Similarly.
9923 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9924 * cppmacro.c (struct cpp_macro): New member node.
9925 (parse_args): Only warn about missing rest args if not
9927 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9928 (cpp_sys_objmacro_p): New.
9929 (_cpp_create_definition): Store the node with the macro defn.
9930 Remember if the macro is defined in a system header.
9932 2001-02-13 DJ Delorie <dj@redhat.com>
9934 * configure.in (check_languages): determine languages to check
9935 * Makefile.in (check-c++): alias for check-g++
9936 (check-f77): alias for check-g77
9937 (CHECK_TARGETS): depend on configured languages
9939 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9941 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9942 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9943 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9944 (sqrtextendsfdf2): Disable for SSE2.
9946 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9948 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9949 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9950 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9951 (sqrtextendsfdf2): Disable for SSE2.
9953 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9955 * i386.md (movsfcc_1): Support integer cmove instruction.
9956 (movdfcc_1): Likewise; new splitter.
9958 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9960 * i386.c (output_fp_compare): Support SSE.
9961 (prepare_fp_compare_args): SSE comparisons always support memory.
9962 * i386.h (TARGET_CMOVE): SSE imply cmove.
9963 * i386.md (cmp?f2): Enable for SSE too.
9964 (cmpfp_i*): Support SSE.
9966 (cmpfp_i_sse_only): New.
9967 (s*, b* fp expanters): Enable for SSE too.
9968 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9971 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9973 * regclass.c (init_reg_sets_1): Silence warning.
9975 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9977 * i386.md (sqrt?f2): Change to expander.
9978 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9980 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9982 * rtlanal.c (find_reg_equal_equiv_note): New function.
9983 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9984 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9985 * rtl.h: Add declarations for above functions.
9987 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9989 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9991 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9992 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9993 * flow.c (mark_regs_live_at_end): Likewise.
9994 (calculate_global_regs_live): Likewise.
9995 * gcse.c (compute_hash_table): Likewise.
9996 (compute_kill_rd): Likewise.
9997 * resource.c (mark_target_live_regs): Likewise.
9998 * rtl.h (INVALID_REGNUM): New macro.
10000 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
10002 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10004 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
10006 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10009 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
10011 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10013 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10014 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10015 (fop_sf_1_sse, fop_df_1_sse): New patterns
10016 (fop_*): Disable float_extend and float patterns for SSE compilation.
10017 * i386.c (output_387_binary_op): Support SSE.
10019 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
10021 * i386.md (dummy_extendsfdf2): Support SSE2
10022 (extendsfdf2): Enable if 80387 or SSE2.
10023 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10024 and no MIX_I387_SSE2
10025 (extendsfdf2_1_sse_only): New pattern.
10026 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10028 (truncdfsf2_1): Support SSE.
10029 (truncdfsf2_2): Support SSE.
10030 (truncdfsf2_2_1_sse): New pattern.
10031 (fixtruncsfsi2): Always use SSE if available.
10032 (fix_truncsfsi_sse): New pattern.
10033 (fix_truncdfsi_sse): New pattern.
10034 (floatsis?f2): Support SSE.
10035 (floatsidf2_i387): New pattern.
10036 (floatsidf2_sse): Likewise.
10038 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10040 * configure.in: Use "have_gnat" variable, not "gnat".
10041 * configure: Regenerated.
10043 * config/sparc/sparc.c (function_value): Treat all non-record
10044 aggregate types like used to treat UNION_TYPE.
10046 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
10048 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10049 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10051 (MASK_MIX_SSE_I387): New.
10052 (TARGET_SSE): SSE2 imply SSE.
10053 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10054 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10055 (enum reg_class): Add new classes.
10056 (REG_CLASS_NAMES): Likewise.
10057 (REG_CLASS_CONTENTS): Likewise.
10058 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10059 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10060 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10061 (CLASS_MAX_NREGS): Use new macros.
10062 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10063 * i386.md (pushsf, movsf): Support SSE.
10064 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10065 splitters to use ANY_FP_REGNO_P.
10066 (movdf_nointeger, movdf_integer): Likewise.
10068 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10070 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10071 (try_combine): Use it.
10073 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
10075 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10076 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10077 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10078 (REGISTER_MOVE_COST): Likewise.
10079 * i386-protos.h (ix86_secondary_memory_needed,
10080 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10081 * i386.c (ix86_secondary_memory_needed,
10082 ix86_preferred_reload_class, ix86_register_move_cost): New function.
10084 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
10086 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10087 (HARD_REGNO_MODE_OK): Move offline to ....
10088 * i386.c (ix86_hard_regno_mode_ok) ... here;
10089 refuse all incorrect modes.
10090 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10092 2001-02-13 Richard Henderson <rth@redhat.com>
10094 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10095 entire operator; replicate that and match_dup the operands.
10096 (cmp_ccx_arith_op_set): Likewise.
10097 (cmp_cc_arith_op_not_set): Likewise.
10098 (cmp_ccx_arith_op_not_set): Likewise.
10100 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10102 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10104 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10106 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10107 (TARGET_NO_BITFIELD_WORD): New macro.
10108 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10109 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10111 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10113 * cselib.c: New file, from simplify-rtx.c.
10114 * simplify-rtx.c: Remove cselib parts.
10115 * Makefile.in: Add cselib.o.
10117 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10119 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10120 (setup_incoming_varargs): Remove warning.
10122 * config/rs6000/rs6000.c (validate_condition_mode): When
10123 flag_fast_math, allow floating-point conditionals to be reversed.
10124 (rs6000_generate_compare): When flag_fast_math, don't generate
10125 cror operations for FP conditionals.
10127 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10129 (ASM_SPEC): Likewise.
10130 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10131 (CC1_SPEC): Likewise.
10132 (LINK_TARGET_SPEC): Likewise.
10133 (CPP_ENDIAN_SPEC): Likewise.
10134 * Makefile.in (check-consistency): New target.
10136 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10138 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10139 "return type defaults" warning for functions with return type
10141 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10142 function declarations by default rather than only when pedantic.
10144 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10146 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10149 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10151 * extend.texi (Deprecated): Deprecate new initializer lists.
10153 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10155 * mkdeps.c (deps_add_default_target): Robustify. Add
10156 basename component only.
10157 * cpp.texi (-M): Describe how default target is generated.
10158 * invoke.texi (-M): Likewise.
10160 2001-02-12 Kazu Hirata <kazu@hxi.com>
10162 * toplev.c (push_float_handler): Remove.
10163 (pop_float_handler): Remove.
10164 * toplev.h: Remove prototypes for the above functions.
10166 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10168 * c-common.c (constant_fits_type_p): New function.
10169 (convert_and_check): Use it.
10171 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10173 * Makefile.in (GXX_ABI_FLAG): Don't define.
10174 * configure.in (--enable-new-gxx-abi): Remove option.
10175 * config.in: Regenerated.
10176 * configure: Likewise.
10178 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10180 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10182 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10183 regular basic block, and arrange for all edges into it to switch
10186 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10188 * Makefile.in (distclean): Do not remove .gdbinit.
10190 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10192 * Makefile.in (gcc.o): Fix typos.
10193 (protize.o): Likewise.
10194 (unprotoize.o): Likewise.
10196 2001-02-11 Richard Henderson <rth@redhat.com>
10198 * tree.c (build1): Check for null operand in last change.
10200 2001-02-11 Richard Henderson <rth@redhat.com>
10202 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10203 (fold): Don't assume a constant isn't foldable.
10204 * tree.c (build): Set TREE_CONSTANT for an expression with no
10205 side-effects and constant operands.
10206 (build1): Likewise.
10208 2001-02-10 Richard Henderson <rth@redhat.com>
10210 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10212 2001-02-10 Anthony Green <green@redhat.com>
10214 * cpp.texi (Standard Predefined): Add documentation for
10217 * c-common.c (combine_strings): Improve warning message.
10219 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10221 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10223 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10225 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10227 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10230 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10232 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10235 2001-02-09 Nick Clifton <nickc@redhat.com>
10237 * config/arm/arm.md: Change output contraint on post inc
10238 load/store multiple patterns to be a read/write contraint.
10240 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10242 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10243 .o files when using the -M options.
10245 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10246 David Edelsohn <edelsohn@gnu.org>
10248 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10249 handle DImode constants. Use one TOC entry for SImode and smaller
10250 constants, aligned properly.
10252 2001-02-08 Jason Merrill <jason@redhat.com>
10254 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10255 about the SP adjustment for saving the static chain pointer.
10256 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10257 offset when setting a temporary CFA register.
10259 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10261 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10262 powerpc-*-chorusos* .
10263 * config/rs6000/chorus.h : New file.
10264 * config/i386/chorus.h : New file.
10265 * config/sparc/chorus.h : New file.
10266 * config/sparc/t-chorus-elf : New file.
10268 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10270 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10271 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10272 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10273 (__WCHAR_TYPE__): Correct macro name.
10275 2001-02-08 Richard Henderson <rth@redhat.com>
10277 * config/i386/i386.c (ix86_frame_pointer_required): New.
10278 (ix86_setup_frame_addresses): New.
10279 (struct machine_funciton): Add accesses_prev_frame.
10280 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10281 ix86_frame_pointer_required.
10282 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10283 (SETUP_FRAME_ADDRESSES): New.
10284 * config/i386/i386-protos.h: Update.
10285 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10286 from FRAME_POINTER_REQUIRED.
10287 * config/i386/svr3gas.h: Likewise.
10288 * config/i386/sysv3.h: Likewise.
10289 * config/i386/v3gas.h: Likewise.
10291 2001-02-08 Richard Henderson <rth@redhat.com>
10293 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10294 calculation of the number of integer registers required.
10295 (function_arg_record_value): Likewise.
10297 2001-02-08 Jason Merrill <jason@redhat.com>
10299 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10300 two. Print file and line with "confused" message.
10302 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10304 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10306 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10308 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10310 * final.c (cleanup_subreg_operands): The address of a MEM can
10313 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10316 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10318 * gcc.texi (Incompatibilities): Update documentation of
10319 preprocessing numbers.
10321 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10323 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10325 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10327 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10329 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10330 * gcc.c (struct compiler): Add cpp_spec field.
10331 (input_file_compiler): New variable.
10332 (do_spec_1): Allow a particular compiler to handle `%C'
10334 (main): Store the current compiler in input_file_compiler.
10335 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10337 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10339 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10340 * cppinit.c (cpp_create_reader): Initialize them.
10341 (append_include_chain): cxx_aware arg might be unused.
10342 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10343 keywords and give them their phase 7 meaning. Pedwarn about
10344 this unless '__bool_true_false_are_defined' is defined.
10346 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10348 * lcm.c (optimize_mode_switching): Emit mode_set before the
10349 JUMP_INSN of an abnormal edge.
10351 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10353 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10354 a scheduling barrier at the end.
10356 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10358 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10360 * config/sh/sh.md (reload_outsf): Removed.
10361 (movsf_ie): Introduce constraints for FPUL loads and stores.
10362 (reload_insf): Broaden the output constraint.
10364 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10366 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10367 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10369 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10371 * final.c: Revert my previous changes.
10372 * output.h: Make profile_label_no extern.
10373 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10374 for generating label.
10376 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10378 * config/i386/djgpp.h: Add comments about standard paths.
10379 (MD_EXEC_PREFIX): Undefine before defining.
10380 (MD_STARTFILE_PREFIX): New.
10382 2001-01-30 Bruce Korb <bkorb@gnu.org>
10384 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10385 (load_file): do not rely on load_file_data() to close file pointer
10386 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10387 fixinc/inclhack.def(irix_limits_const): add test_text
10389 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10391 * cppexp.c (parse_defined): Improve diagnostics for invalid
10394 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10396 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10398 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10400 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10401 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10402 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10403 (rs6000_output_symbol_ref): New function.
10404 (output_toc): Use VTABLE_NAME_P.
10406 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10408 * print-tree.c (print_node, case PARM_DECL):
10409 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10411 * stor-layout.c (reference_types_internal): New variable.
10412 (internal_reference_types): New function.
10413 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10414 * tree.h (internal_reference_types): New declaration.
10416 * cse.c (find_best_addr): Fix typo in computing cost.
10418 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10420 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10421 and this is the sum of a pointer and a constant, we know the result
10423 (num_sign_bit_copies, case PLUS): Likewise.
10424 * explow.c (convert_memory_address): Remove opposite SUBREG.
10425 * function.c (instantiate_new_reg): New function (from common code).
10426 (instantiate_virtual_regs_1): Call it.
10427 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10428 if pointers sign- or zero-extend.
10429 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10430 If pointers extend unsigned, use inside of SUBREG.
10431 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10433 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10435 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10436 subdir of gcc_gxx_include_dir.
10437 (gcc_gxx_target_include_dir): Remove.
10439 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10441 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10442 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10443 a high-level description.
10445 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10447 * final.c: Move the declaration of profile_label_no to ...
10448 * output.h: ... here.
10449 * function.c (expand_function_start): Call PROFILE_HOOK.
10450 * config/rs6000/aix.h: Define PROFILE_HOOK.
10451 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10452 * config/rs6000/rs6000.c (output_profile_hook): Define.
10453 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10454 output_profile_hook.
10455 tm.texi : Explain new macro PROFILE_HOOK.
10457 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10459 * extend.texi (Extended Asm): Do not say that semicolon is always
10460 a valid line-breaking character for GNU assemblers. Use
10461 newline-tab as the most commonly supported syntax. Use
10462 newline-tab rather than semicolon in multi-insn examples.
10464 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10466 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10468 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10469 David Edelsohn <edelsohn@gnu.org>
10471 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10472 code for AIX, even without flag_pic.
10474 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10476 * c-typeck.c (common_type): push and pop binding level around
10477 calling common_type on function parameters.
10479 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10481 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10483 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10485 * config/mips/mips.c (override_options): Fix typo in last change.
10486 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10487 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10489 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10491 * invoke.texi (-fdump-class-layout): Document.
10492 (-fdump-translation-unit): Use `=' as filename separator.
10494 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10496 * Makefile.in (s-mlib): Don't build multilibs if
10497 --disable-multilib.
10498 (DRIVER_DEFINES): Adjust accordingly.
10500 (protoize.o): Likewise.
10501 (unprotoize.o): Likewise.
10502 * configure.in: Recognize --enable-multilib.
10504 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10506 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10508 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10509 * configure.in: Remove --enable-libstdcxx_v3 support.
10510 * configure: Regenerated.
10512 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10514 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10515 Call abort instead of fatal.
10516 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10517 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10518 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10519 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10520 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10521 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10523 * diagnostic.h (set_internal_error_function): Renamed.
10524 * toplev.h (internal_error): Renamed from fatal.
10525 (pfatal_with_name): Deleted.
10526 (fatal_io_error): Now has printf-style arguments.
10527 * diagnostic.c (pfatal_with_name): Deleted.
10528 (fatal_io_error): Rework to have args in printf-style.
10529 (set_internal_error_function): Renamed from set_fatal_function.
10530 (internal_error): Renamed from fatal.
10531 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10532 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10533 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10534 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10535 * flow.c (verify_flow_info): Likewise.
10536 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10537 * config/mips/mips.c (save_restore_insns): Likewise.
10539 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10540 * flow.c (verify_flow_info): Likewise.
10541 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10542 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10543 (avr_normalize_condition): Likewise.
10544 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10545 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10546 (limit_reload_class, double_reg_to_memory): Likewise.
10547 (print_operand_address, emit_1600_code_shift): Likewise.
10548 (gen_tst_reg, gen_compare_reg): Likewise.
10549 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10550 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10552 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10554 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10555 * objc/objc-act.c (build_ivar_chain): Likewise.
10556 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10558 * graph.c (clean_graph_dump_file): Likewise.
10559 * profile.c (init_branch_prob): Likewise.
10560 * objc/objc-act.c (objc_init): Likewise.
10562 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10563 * config/avr/avr.c (avr_override_options): Likewise.
10564 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10565 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10566 * config/h8300/h8300.c (h8300_init_once): Likewise.
10567 * config/mips/mips.c (override_options): Likewise.
10568 * config/i386/i386.c (override_options): Likewise, rework.
10569 * config/m68k/m68k.c (override_options): Likewise.
10571 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10573 * config/mips/mips.c (print_operand): Likewise.
10574 * hash.c (hash_allocate): Don't check for failure returns from
10575 obstack functions that can't fail.
10576 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10577 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10578 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10579 (get_object_reference): Likewise.
10581 2001-02-04 Nick Clifton <nickc@redhat.com>
10583 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10584 StrongARM1110, 10TDMI, and 1020T.
10586 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10588 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10590 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10592 * config/sh/sh.md (movdf load split): Pass register number to
10593 FP_OR_XD_REGISTER_P.
10595 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10597 * cppinit.c (BC): New macro.
10598 (builtin_array): Add __GXX_WEAK__.
10599 * cpplib.h (builtin_type): Add BT_WEAK.
10600 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10601 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10602 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10604 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10606 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10608 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10610 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10611 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10613 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10615 * cpphash.h: Rename ALIGN _ALIGN.
10616 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10618 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10620 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10621 compilation environment.
10622 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10623 control over location of cygwin includes and libs.
10625 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10627 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10629 2001-02-02 lars brinkhoff <lars@nocrew.org>
10631 * md.texi (Standard Names): remove reference to spur.md.
10633 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10635 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10636 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10637 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10638 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10639 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10641 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10643 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10644 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10645 number before reload.
10646 (c4x_adjust_cost): Return zero before reload.
10647 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10648 split before reload.
10650 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10652 * c4x.c (c4x_hard_regno_rename_ok): New.
10653 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10654 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10656 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10658 * diagnostic.h: Add missing "extern" in all declarations.
10660 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10662 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10663 as for gcc_gxx_include_dir.
10665 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10667 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10669 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10671 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10672 label before alignment to be used as the braf base address.
10673 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10675 (casesi_jump_2): Require at least TARGET_SH2.
10677 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10678 truncation to 32-bit doubles on -m3e and -m4-single-only.
10680 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10682 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10683 the default when building a shared object.
10684 (init_spec): Use it.
10685 * testsuite/lib/g++.exp: Include the directory where libgcc
10686 is located to the LD_LIBRARY_PATH list.
10687 * invoke.texi (-shared-libgcc): Document the cases in which
10688 GCC defaults to using the shared libgcc.
10690 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10692 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10693 unsigned is wide enough.
10694 (BITS_PER_SI): New.
10695 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10696 (si_to_float): Likewise.
10697 (float_to_si, float_to_usi): Use BITS_PER_SI.
10699 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10701 * dwarf2out.c: Added explanation of abbreviations.
10702 (def_cfa_1): Added comments listing DWARF2 instructions.
10703 (cfa_temp_reg): Removed in favor of cfa_temp.
10704 (cfa_temp_value): Removed in favor of cfa_temp.
10705 (cfa_temp): New global variable.
10706 (dwarf2out_frame_debug_expr): Added extensive introductory
10707 comments explaining the function's transformations. Revised to
10708 use cfa_temp. Added some rtx checking. Generalize IOR case.
10709 (dwarf2out_frame_debug): Revised to use cfa_temp.
10710 (output_aranges): Cast as "unsigned" to avoid warning.
10711 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10712 explain which instructions must be marked.
10714 2001-02-01 Richard Henderson <rth@redhat.com>
10716 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10719 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10721 * config/sh/crt1.asm (main_k): Modified so that start calls
10722 ___setup_argv_and_call_main.
10724 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10726 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10727 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10728 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10729 * cppmacro.c (builtin_macro): Set builtin flags here.
10730 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10731 (replace_args): Clarify intent.
10732 (cpp_get_token): Macro expansion tokens get the saved flags.
10734 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10737 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10739 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10742 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10744 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10745 returns Pmode pseudo, but we need ptr_mode.
10746 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10747 Remove bogus conversions; use HOST_WIDE_INT for size.
10748 Don't use TARGET if wrong mode.
10750 * config/i386/i386.c (ix86_compute_frame_size): Allow
10751 stack_alignment_needed to be non-default even if size is zero.
10753 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10755 * pa.c (hppa_init_pic_save): New function.
10756 * pa.h (hppa_init_pic_save): Declare.
10757 * pa.md (call, call_value, sibcall, sibcall_value): Use
10758 the above instead of duplicated code.
10760 * pa.c (hppa_encode_label): Correct size of alloca buffer
10761 so we don't overrun it. Correct leading `*' case.
10762 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10763 need to handle `*@'.
10764 (FUNCTION_NAME_P): Likewise.
10766 2001-01-31 Richard Henderson <rth@redhat.com>
10768 * config.gcc (alpha-osf5): Use float-i128.h.
10770 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10771 * config/float-i32.h: Likewise.
10772 * config/float-i64.h: Likewise.
10773 * config/float-sh.h: Likewise.
10774 * config/float-sparc.h: Likewise.
10776 2001-01-31 DJ Delorie <dj@redhat.com>
10778 * expmed.c (extract_bit_field): allow non-integral modes if we
10779 want to extract a whole register from itself.
10781 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10783 * c-typeck.c (set_init_index): If first is equal to last, assume as
10784 if it was not a range at all.
10786 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10788 * config/fp-bit.c: Include tm.h.
10789 (float_to_si): Don't assume SImode is 32-bits wide.
10790 (float_to_usi): Likewise.
10792 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10794 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10796 (typename): Call pending_xref_error after parsing typed_typespecs.
10797 * c-decl.c (lookup_tag): Give error immediately rather than
10798 leaving it pending if the tag of the wrong type is in the same
10800 (xref_tag): Don't pedwarn for forward declarations of enum types
10802 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10805 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10807 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10809 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10811 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10812 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10814 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10816 * cpphash.h (struct cpp_reader): New saved_flags.
10817 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10818 to avoid a paste after a pasted token.
10820 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10822 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10823 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10824 Wtype_MIN instead of LONG_MIN.
10826 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10828 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10830 * fixinc/fixincl.x: Regenerated.
10831 * fixinc/inclhack.def (irix_limits_const): New definition to
10832 convert "const" to "__const" in limits.h.
10834 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10836 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10838 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10840 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10841 when register dies in the insn.
10843 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10845 * diagnostic.c (fatal): Fix word wrap.
10847 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10849 * combine.c (try_combine): Fix SUBREG setting for
10850 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10852 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10854 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10857 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10859 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10861 * toplev.c (decode_W_option): Update warn_larger_than
10862 unconditionally for each processed switch.
10864 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10866 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10868 (hppa_expand_prologue): Delete code to save pic offset table register
10869 in the function prologue.
10870 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10871 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10872 table register at the beginning of the function after the prologue.
10874 2001-01-29 lars brinkhoff <lars@nocrew.org>
10876 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10878 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10879 Jeff Law <law@redhat.com>
10881 * pa.md (return): Revise comment for trivial return.
10882 (return_internal): Non-trivial return pattern for non-PIC code.
10883 (return_internal_pic): Non-trivial return pattern for PIC code.
10884 It uses the PIC register to ensure it is restored after
10886 (epilogue): Generate appropriate return for PIC and non-PIC code.
10888 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10890 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10892 2001-01-29 DJ Delorie <dj@redhat.com>
10894 * combine.c (if_then_else_cond): Pass the correct mode to
10895 operand_subword() for constants.
10897 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10899 * config/i386/cygwin.h: Add w32api to include search. Search different
10900 directories in a cross-build environment.
10902 2001-11-29 Tim Josling <tej@melbpc.org.au>
10904 * tree.h (TYPE_STUB_DECL): Add documentation.
10906 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10908 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10909 (sdbout_field_types): Likwise. Fix use of host_integerp.
10911 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10913 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10916 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10918 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10919 to use flag_gnu_linker.
10921 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10923 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10924 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10926 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10928 * tree.c, tree.h (build_parse_node): Remove; was identical to
10930 * c-lang.c (start_cdtor), objc/objc-act.c
10931 (build_module_descriptor): Use build_nt instead of
10934 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10936 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10937 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10938 not have any upper bits set.
10940 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10942 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10944 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10946 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10948 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10950 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10951 (integer_minus_one_node): Define.
10953 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10955 * Makefile.in (bootstrap2-lean): Fix typo.
10957 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10959 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10960 : Don't set fe_value.
10961 * cpplib.h (AVOID_LPASTE): New flag.
10962 (struct cpp_hashnode): Remove fe_value.
10963 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10964 * cppmacro.c (builtin_macro): Don't set flags here.
10965 (replace_args): Set AVOID_LPASTE flag on first token of an
10966 argument, and the token following it.
10967 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10968 macro expansion, and on the token following it. Do it for
10970 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10972 2001-01-27 Richard Henderson <rth@redhat.com>
10974 * config/alpha/t-ieee: Remove multilibbing.
10975 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10977 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10979 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10981 * Makefile.in: Remove all dependencies on defaults.h.
10982 * builtins.c: Don't include defaults.h.
10983 * c-common.c: Likewise.
10984 * c-decl.c: Likewise.
10985 * c-pragma.c: Likewise.
10986 * c-typeck.c: Likewise.
10987 * combine.c: Likewise.
10988 * i386.c: Likewise.
10989 * frame-ia64.c: Likewise.
10990 * cppexp.c: Likewise.
10991 * crtstuff.c: Likewise.
10992 * dbxout.c: Likewise.
10993 * dwarf2out.c: Likewise.
10994 * dwarfout.c: Likewise.
10995 * emit-rtl.c: Likewise.
10996 * except.c: Likewise.
10997 * expr.c: Likewise.
10998 * final.c: Likewise.
10999 * frame-dwarf2.c: Likewise.
11000 * libgcc2.c: Likewise.
11001 * optabs.c: Likewise.
11002 * profile.c: Likewise.
11003 * sdbout.c: Likewise.
11004 * toplev.c: Likewise.
11005 * tradcif.y: Likewise.
11006 * tree.c: Likewise.
11007 * varasm.c: Likewise.
11009 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11011 * builtins.c (expand_builtin_fputs): Use size_one_node when
11012 transforming into fwrite.
11014 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
11016 * extend.texi (Attribute Syntax): New section.
11018 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11020 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
11021 they didn't need fixing.
11023 2001-01-27 Janis Johnson <janis@us.ibm.com>
11025 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11027 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11028 to remove macro definitions that are duplicated from elfos.h.
11030 2001-01-27 Richard Henderson <rth@redhat.com>
11032 * config/i386/sco5gas.h: Move ...
11033 * config/usegas.h: ... here.
11034 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11036 2001-01-27 Jakub Jelinek <jakub@redhat.com>
11038 * c-typeck.c (struct constructor_stack): Add range_stack member.
11039 (really_start_incremental_init): Clear it.
11040 (push_init_level): Save constructor_range_stack and clear it if
11041 pushing explicit braces.
11042 (pop_init_level): abort if constructor_range_stack is non-zero at
11043 explicit closing brace. Restore saved constructor_range_stack if
11046 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11048 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11049 into register was forced into memory.
11051 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11053 * Makefile.in: Remove uses of + before $(MAKE).
11055 2001-01-26 Richard Henderson <rth@redhat.com>
11057 * stmt.c (cost_table): Remove.
11058 (COST_TABLE, cost_table_initialized): New.
11059 (estimate_case_costs): Use the later instead of the former.
11060 (balance_case_nodes): Likewise.
11062 2001-01-26 Richard Henderson <rth@redhat.com>
11064 * alias.c (objects_must_conflict_p): Read-only slots may not
11065 conflict despite having the same type.
11067 2001-01-27 Michael Hayes <mhayes@redhat.com>
11069 * loop.c (loop_giv_reduce_benefit): Copy mode size into
11071 (check_ext_dependant_givs): Initialise u_start_val and
11073 (load_mems): Make last_max_reg unsigned.
11074 (try_swap_copy_prop): Use INSN_P and initialise set.
11076 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
11078 * README.AVR : Removed.
11080 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
11082 * pa-64.h (text_section): Remove declaration.
11084 * pa.md (return_internal): Remove mode on PIC register use.
11086 2001-01-25 lars brinkhoff <lars@nocrew.org>
11088 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11089 ASM_CLOSE_PAREN): fix typos.
11091 2001-01-25 Mark Mitchell <mark@codesourcery.com>
11093 * acconfig.h: Define `const' to the empty string if neither
11094 __STDC__ nor __cplusplus is defined.
11095 * config.in: Regenerated.
11097 2001-01-25 David Edelsohn <edelsohn@gnu.org>
11099 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11100 * collect2.c (main): Delete importf. Add ".obj" file extension.
11101 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11102 (aix_std_libs): Add additional AIX libraries to skip.
11103 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11104 * config/rs6000/aix51.h: New file.
11106 2001-01-25 Michael Hayes <mhayes@redhat.com>
11108 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11109 (loop_insn_emit_before): No longer static.
11110 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11111 (loop_givs_rescan, load_mems): Likewise.
11112 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11113 (maybe_eliminate_biv_1):
11114 (move_movables): Replace emit_call_insn_before with
11115 loop_call_insn_hoist.
11116 * loop.h (loop_insn_emit_before): Add.
11117 * unroll.c (copy_loop_body): Replace emit_insn_before with
11118 loop_insn_emit_before.
11120 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11122 * diagnostic.c (fatal): Request preprocessed source.
11124 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11126 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11127 olddecl has argument types and newdecl has none, use the argument
11128 types from olddecl.
11130 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11132 * dwarf2out.c (prefix_of): New function. Determine longest common
11133 prefix of the two arguments. The units are whole path components.
11134 (output_file_names): When adding a new directory find the one entry
11135 with the longest common prefix already in the list. Artificially
11136 generate entry if there is none for this prefix.
11137 Fix test to check whether the zeroth directory entry is used.
11139 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11141 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11142 Changed all callers. Take it into account when deciding if a
11143 previously loaded value matches.
11145 2001-01-24 Richard Henderson <rth@redhat.com>
11147 * reload.c (find_reloads_subreg_address): Fail the substitution
11148 if the resulting address is insufficiently aligned.
11150 2001-01-24 DJ Delorie <dj@redhat.com>
11152 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11153 check the original operand's mode also.
11154 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11156 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11158 * c-parse.in (cast_expr): Move compound literals from here ...
11159 (primary): ... to here. Use standard terminology "compound
11160 literal" instead of "constructor expression".
11162 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11164 * gcc.1, cpp.1: Regenerate.
11166 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11168 * calls.c (emit_library_call_value_1): Memory slot for
11169 pass-by-reference argument should have the mode of the argument,
11170 not of the pointer to it.
11172 2001-01-24 Tom Tromey <tromey@redhat.com>
11174 * gcc.texi (G++ and GCC): Mention gcj manual.
11175 (Standards): Link to section of manual mentioning gcj/Java
11178 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11180 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11181 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11182 * tradcpp.c (main): Add -imacros or -include'd dependencies
11184 * cpp.texi (-M, -MM): Document -M -include behaviour.
11186 2001-01-24 Roger Collins <roger@ProProject.com>
11188 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11190 2001-01-24 Will Cohen <wcohen@redhat.com>
11192 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11193 whether registers are 32 bits or 64 bits in size.
11195 2001-01-24 Ben Elliston <bje@redhat.com>
11197 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11199 2001-01-24 Richard Henderson <rth@redhat.com>
11201 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11202 (builtin_longjmp): Use it instead of emit_indirect_jump.
11204 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11206 * bb-reorder.c (make_reorder_chain_1): Handle case where
11207 jump edge goes to the same block as the fallthru edge.
11209 2001-01-23 Jim Wilson <wilson@redhat.com>
11211 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11212 * frame.h (__ia64_personality_v1): Add prototype.
11213 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11214 prototype form. Add void * cast to first argument to personality
11216 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11217 (asctoe113): Likewise.
11218 * config/ia64/frame-ia64.c: Include eh-common.h.
11219 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11221 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11223 (itanium_split_issue): Add prototype.
11224 (gen_nop_type): Ifdef out.
11225 (find_best_packet): Initialize best_packet.
11226 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11228 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11229 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11230 (flushrs): Add explicit stop bit at end.
11231 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11234 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11236 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11238 * libgcc2.c (__terminate_func): Make variable static.
11239 (__terminate_set_func): New function to set __terminate_func.
11240 * libgcc2.h (__terminate_func_ptr): New typedef.
11241 (__terminate_set_func): New function.
11243 2001-01-23 Richard Henderson <rth@redhat.com>
11245 * flow.c (init_propagate_block_info): Don't consider unchanging
11246 memories for dead frame store elimination.
11248 2001-01-23 Richard Henderson <rth@redhat.com>
11250 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11251 * defaults.h: ... here.
11253 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11255 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11257 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11259 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11261 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11263 * rs6000.h (rs6000_return_addr): Move prototype from here...
11264 * rs6000-protos.h (rs6000_return_addr): ...to here.
11265 (rs6000_init_expanders): Delete prototype.
11267 2001-01-23 Nick Clifton <nickc@redhat.com>
11269 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11270 (Spec Files): Document %B and %j and %. and %v3 and %M and
11271 %{S*&T} spec switches.
11273 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11275 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11277 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11278 Neil Booth <neil@daikokuya.demon.co.uk>
11280 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11281 Have -Werror make pedantic warnings errors, like the
11284 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11286 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11288 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11290 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11291 * integrate.c (expand_inline_function): Initialize them.
11292 (subst_constants): If changing COMPARE so that both its arguments
11293 will be VOIDmode and the comparison mode will be lost, note
11294 compare_mode. Use the recorded compare_mode to optimize
11297 2001-01-23 Jason Merrill <jason@redhat.com>
11299 * dwarf2out.c (new_die): Use xcalloc.
11300 (output_die): Abort rather than emit a local reference to offset 0.
11302 2001-01-17 Andrew Haley <aph@redhat.com>
11304 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11305 of a saved register; return NULL instead.
11306 (copy_reg): Take a pointer to a source register rather than a
11308 (next_stack_level): Remember the address in the stack frame of all
11310 Use the saved register pointer array as the source of the CFA.
11311 (throw_helper): Rewrite. Unwind once rather than twice and keep
11312 track of saved registers as we go.
11314 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11316 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11317 * c4x.c (c4x_legitimize_reload_address): Remove.
11318 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11319 reload address for ldp(k) insn.
11321 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11323 * pa.md (return_internal): Add a USE of the PIC register to ensure
11324 it is restored after each call.
11325 (return expander): Corresponding changes.
11327 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11329 * rs6000.h (INIT_EXPANDERS): Delete.
11330 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11331 * rs6000.c (rs6000_override_options): Call *_machine_status from
11333 (rs6000_init_expanders): ...instead of here. Delete.
11334 (rs6000_mark_machine_status): New function.
11335 (rs6000_init_machine_status): Use xcalloc.
11336 (rs6000_return_addr): Generate RTX for the return address.
11337 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11338 (rs6000_stack_info): Use it.
11340 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11342 * gthr-win32.h: Include errno.h to get a declaration for
11343 EINVAL and _mingw.h if the target is mingw32.
11345 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11347 * cpp.texi: Correct typos.
11349 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11351 * explow.c (probe_stack_range): Ensure value passed to
11352 stack_check_libfunc is ptr_mode, not Pmode.
11354 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11356 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11357 case, don't use operand_subword to calculate a SUBREG that is
11360 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11362 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11364 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11365 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11366 valid. If not replace it by equivalent insns.
11368 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11370 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11371 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11372 (c4x_U_constraint, symbolic_address_operand): Likewise.
11373 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11375 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11376 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11377 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11378 anulling slot because of silicon bug.
11379 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11381 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11383 * cppexp.c (parse_charconst): Change `mask' type to agree
11386 2001-01-21 Richard Henderson <rth@redhat.com>
11388 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11389 pic_label_name in a linkonce section.
11391 2001-01-17 Philipp Thomas <pthomas@suse.de>
11393 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11395 * configure: Regenerate.
11397 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11399 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11400 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11402 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11404 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11405 If REVERSE nonzero then condition code in X must be reversed.
11406 (encode_section_info): Optimise if/else.
11407 (avr_function_value): Fix formatting.
11409 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11410 (difficult_branch): Likewise.
11411 (rvbranch): Likewise.
11412 (difficult_rvbranch): Likewise.
11414 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11416 * config/avr/libgcc.S: Fix comment.
11418 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11420 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11422 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11424 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11426 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11428 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11429 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11430 * configure, config.in: Regenerate.
11431 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11432 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11433 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11434 (doprint.o): New rule.
11436 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11438 * c-typeck.c (digest_init): Handle boolean types as scalars.
11440 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11442 * stmt.c (expand_return): Don't return anything if size is zero.
11443 Delete redundant assignment to BYTES.
11444 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11446 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11448 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11449 the same as the default library function names.
11450 * config/avr/avr.md: Document special characters after '%'.
11451 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11452 knowing which of the call-used registers are really clobbered.
11453 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11454 New. Both quotient and remainder from one libgcc.S call.
11455 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11456 clobber as few registers as possible.
11457 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11459 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11461 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11462 context of the top of the stack.
11464 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11466 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11467 (fixup_var_refs_insns): ...here.
11469 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11471 * function.c (fixup_var_refs_insns): Break up into
11472 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11473 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11474 [loop over hash table entries].
11475 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11476 fixup_var_refs_insns_with_hash, to match above changes.
11478 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11480 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11481 (libgcc.a): Likewise.
11482 (stmp-multilib): Likewise.
11483 (STAGE2_FLAGS_TO_PASS): Likewise.
11485 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11487 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11488 temporary if no_new_pseudos.
11490 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11492 * cppinternals.texi: Update.
11494 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11496 * arm.c (arm_init_builtins): Re-enable builtins.
11498 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11500 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11501 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11502 element to be null, and always expect an EXPR_LIST.
11503 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11504 * sched-deps.c (sched_analyze_1): Likewise.
11505 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11507 * regclass.c (max_set_parallel): New variable.
11508 (reg_scan): Take it into account in computation of max_parallel.
11509 (reg_scan_mark_refs, case SET): Compute it.
11511 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11513 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11514 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11516 2001-01-19 Jason Merrill <jason@redhat.com>
11518 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11519 for the abstract instance of an inline function.
11521 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11522 J"orn Rennecke <amylaar@redhat.com>
11524 * reload1.c (move2add_note_store): Treat all registers directly or
11525 indirectly derived from a base register as members of the same set
11527 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11528 of base register into account.
11530 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11532 * alias.c (find_base_value): Recognize TRUNCATE.
11533 (record_set): In PLUS case, invalidate if other summand is also a
11536 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11538 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11539 entry to be EXPR_LIST.
11540 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11541 be an EXPR_LIST (but not null, which other code doesn't allow).
11542 (note_stores): Properly handle PARALLEL in SET.
11543 Recursively call for top-level PARALLEL.
11544 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11545 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11547 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11549 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11551 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11552 not pfile->skipping (== 0).
11554 2001-01-17 Nick Clifton <nickc@redhat.com>
11556 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11559 2001-01-17 Jim Wilson <wilson@redhat.com>
11561 * invoke.texi (IA-64 options): Improve.
11563 2001-01-17 Tom Tromey <tromey@redhat.com>
11565 * invoke.texi (Optimize Options): Use `{}' to around @samp
11568 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11570 * invoke.texi (-fno-guess-branch-probability): New option.
11572 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11574 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11575 case of making new double-word constant.
11576 Revert last change: instead just test i3_subst_into_i2.
11578 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11580 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11581 Use q constraints instead of r.
11583 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11585 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11586 (machine_function): Define.
11587 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11588 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11589 pa_free_machine_status): New functions.
11590 (override_options): Set {init,mark,free}_machine_status to above.
11591 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11592 PIC_OFFSET_TABLE_REGNUM_SAVED.
11593 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11594 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11595 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11596 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11597 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11599 2001-01-15 DJ Delorie <dj@redhat.com>
11601 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11605 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11607 * flow.c (propagate_one_insn): Make trying to delete a prologue
11608 or epilogue insn an ICE, not a warning. Allow doing this if
11609 the current function returns with stack pointer depressed.
11611 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11612 I3 having more than one SET.
11614 2001-01-16 Jim Wilson <wilson@redhat.com>
11616 * invoke.texi: Document IA-64 options.
11618 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11619 (fixup_errata): Delete TARGET_A_STEP use.
11620 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11621 (TARGET_SWITCHES): Delete -ma-step option.
11622 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11623 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11624 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11625 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11626 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11627 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11629 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11630 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11631 cmovsi_internal): Delete ! TARGET_A_STEP check.
11633 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11635 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11636 possibility to report bugs via postal mail. Change a URL and
11637 merge in a nearly duplicate statement...
11638 (Bug Reporting): ...from here.
11639 (Service): Refer to the Bug Reporting section instead of
11640 duplicating an URL.
11641 (Contributing): Remove trivial explanations concerning snapshots.
11643 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11645 * cppmain.c (general_init): Don't use ANSI prototype.
11647 2001-01-16 Tom Tromey <tromey@redhat.com>
11649 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11651 2001-01-16 Richard Henderson <rth@redhat.com>
11653 * config/i386/i386.h: Fix comment typo.
11654 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11655 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11657 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11659 * gcc.c: Revert previous -fsyntax-only-related change; move
11662 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11664 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11665 inmode after checking GET_CODE (op).
11667 2001-01-16 Richard Henderson <rth@redhat.com>
11669 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11670 (MAX_MEM_SET_LIST_LEN): New.
11671 (propagate_one_insn): Update mem_set_list_len.
11672 (invalidate_mems_from_autoinc): Likewise.
11673 (invalidate_mems_from_set): Likewise.
11674 (mark_used_regs): Likewise.
11675 (init_propagate_block_info): Likewise. Stop collecting memories
11676 when we reach MAX_MEM_SET_LIST_LEN.
11677 (mark_set_1): Likewise.
11679 2001-01-16 Richard Henderson <rth@redhat.com>
11681 * unroll.c (precondition_loop_p): Fail if no iteration
11684 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11686 * gcc.c: When -fsyntax-only is given, do not complain about
11689 2001-01-15 Richard Henderson <rth@redhat.com>
11691 * config/i386/i386.c (asm_output_function_prefix): Remove.
11692 (ix86_asm_file_end): New.
11693 (load_pic_register): Generate pic_label_name into a
11694 staticly allocated buffer.
11695 * config/i386/i386-protos.h: Update.
11696 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11697 (ASM_FILE_END): New.
11698 * config/i386/i386afe.h: New file.
11699 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11700 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11701 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11702 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11703 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11704 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11705 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11707 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11709 * Makefile.in (install-man): Remove explicit dependency on
11712 * configure.in, configure: Revert previous patch requiring perl
11715 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11717 * toplev.c (flag_guess_branch_prob): New.
11718 (f_options): Add guess-branch-probability option.
11719 (rest_of_decl_compilation): Only estimate branch probability if
11721 (main): set flag_guess_branch_prob.
11723 * flags.h (flag_guess_branch_prob): New.
11725 2001-01-15 DJ Delorie <dj@redhat.com>
11727 * gcc.texi (Makefile): Add documentation for Makefile targets.
11729 2001-01-15 Philip Blundell <philb@gnu.org>
11731 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11733 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11734 (is_pic): Delete declaration.
11735 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11736 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11737 * config/arm/arm.md (builtin_setjmp_receiver): New.
11739 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11741 * arm.c (use_return_insn): Don't try to determine the function type
11742 until after reload has completed.
11743 (arm_output_epilogue): Don't adjust the sp value recovered from the
11745 (emit_multi_reg_push): Don't record dwarf information for the pc.
11746 * arm.md (eh_epilogue): The function type may have changed, so it
11747 needs to be recalculated.
11748 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11749 unwind tables on arm/netbsd.
11751 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11753 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11754 (negated_cbranchsi4): Likewise.
11756 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11758 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11759 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11760 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11761 pass -mapcs-* options to assembler.
11762 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11763 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11764 (ASM_SPEC): Call subtarget_extra_asm_spec.
11766 2001-01-15 Andreas Jaeger <aj@suse.de>
11768 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11770 (ix86_expand_builtin): Likewise.
11772 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11773 warning about comparison between signed and unsigned.
11775 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11777 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11779 2001-01-14 Ralf Baechle <ralf@gnu.org>
11781 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11782 SUBTARGET_CPP_SPEC apropriatly.
11784 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11786 * varasm.c (make_decl_rtl): Fix typo in last change.
11788 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11790 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11791 linker supports the init_priority C++ attribute.
11792 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11793 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11794 linker does not support init_priority C++ attribute.
11796 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11798 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11800 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11802 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11803 * cp/lex.c (finish_parse): Similarly.
11804 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11805 Return the number of errors encountered.
11806 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11807 * cppmain.c (main): Don't call cpp_destroy.
11809 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11811 * configure.in: Require at least perl 5.6.0 to regenerate
11813 * configure: Regenerate.
11815 2001-01-14 Richard Henderson <rth@redhat.com>
11817 * genrecog.c (DT_veclen_ge): New.
11818 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11819 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11820 (nodes_identical_1): Handle DT_veclen_ge.
11821 (write_cond, debug_decision_2): Likewise.
11823 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11825 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11827 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11829 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11831 * cppmain.c (do_preprocessing): New function; most of the old
11833 (main): Call it to do most of the work.
11834 (cb): Move from global scope to set_callbacks ().
11835 (setup_callbacks): Get the callback pointer.
11836 (general_init, printer_init): Clean up code and comments.
11838 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11840 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11843 2001-01-14 Kazu Hirata <kazu@hxi.com>
11845 * config/h8300/h8300.c (get_shift_alg): Update comments.
11847 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11849 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11850 (alloc_page, ggc_alloc): Add casts to remove warnings.
11852 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11854 * combine.c (simplify_comparison): Don't change `code' when
11855 can't reverse comparison.
11857 2001-01-14 Richard Henderson <rth@redhat.com>
11859 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11860 update all call sites. Return true for all non-label constants.
11862 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11864 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11866 (ix86_expand_branch): Update.
11867 (ix86_expand_setcc): Update to handle multiple test conditions.
11868 (expand_int_movcc): Likewise.
11869 (expand_fp_movcc): Likewise.
11870 * i386-protos.h (ix86_expand_compare): New.
11871 * i386.md (andqi_?_slp, orqi_?_slp): New.
11872 (conditional trap expander): Update call to ix86_expand_compare.
11874 2001-01-14 Richard Henderson <rth@redhat.com>
11876 * config/vax/vax.md: Use nonimmediate_operand instead of
11877 general_operand in destinations.
11879 * config/vax/vax.md (indirect_jump): Use register_operand.
11881 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11882 * config/vax/vax.md (call_pop): Turn into an expander.
11883 (call_value_pop): Likewise.
11884 (call, call_value): New.
11886 2001-01-14 Andreas Jaeger <aj@suse.de>
11888 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11890 (ix86_fp_compare_mode): Add unused attribute.
11891 (ix86_expand_fp_movcc): Remove unused variable.
11892 (ix86_expand_builtin): Make fcode unsigned.
11894 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11895 (expand_expr): Add cast to avoid signed warning.
11896 (store_field): Likewise.
11897 (store_constructor_field): Likewise.
11898 (store_constructor): Likewise.
11899 (store_expr): Likewise.
11900 (clear_storage): Likewise.
11901 (emit_group_store): Likewise.
11902 (emit_group_load): Likewise.
11904 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11906 * c-common.c: Move format checking code to ...
11907 * c-format.c: ... here. New file. Reorder some functions and
11909 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11911 * c-common.h (decl_handle_format_attribute,
11912 decl_handle_format_arg_attribute): Declare.
11913 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11914 (c-common.o): Adjust dependencies.
11915 (c-format.o): New list of dependencies.
11917 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11919 * unroll.c (loop_iterations): If we cannot prove iteration variable
11920 is set once in each iteration, punt.
11922 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11924 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11925 (*strlenhi): Remove clobber (which was buggy) of output address.
11927 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11929 * Makefile.in (generated-manpages): Add gcc.1
11930 ($(srcdir)/gcc.1): New target.
11931 (maintainer-clean): Delete $(srcdir)/gcc.1.
11932 * gcc.texi: Add macros @gccoptlist and @gol.
11933 * invoke.texi: Include option summary in manpage. Mark up option
11934 summary with @gccoptlist and @gol. Use @r in one place where
11936 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11937 * gcc.1: Generate from invoke.texi.
11939 2001-01-13 Richard Henderson <rth@redhat.com>
11941 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11942 (struct page_entry): Add group member.
11943 (struct page_group): New.
11944 (struct globals): Add page_groups member.
11945 (alloc_anon): Only define for using mmap; remove valloc call.
11946 (page_group_index): New.
11947 (set_page_group_in_use): New.
11948 (clear_page_group_in_use): New.
11949 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11950 (free_page, release_pages): Likewise.
11951 * configure.in (with-gc): Default to ggc-page always.
11953 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11955 * reload1.c (replace_pseudos_in_call_usage): Use
11956 reg_equiv_constant and reg_equiv_address, and don't try
11957 regno_reg_rtx first.
11959 2001-01-13 Richard Henderson <rth@redhat.com>
11961 * ggc-page.c (alloc_page): Round up allocation size to one page.
11962 Set e->order on extra pages.
11964 2001-01-13 Richard Henderson <rth@redhat.com>
11966 * genrecog.c (nodes_identical): Expand commentary.
11967 (write_switch): Watch out for identical nodes.
11969 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11971 * cppfiles.c (_cpp_fake_include): New function.
11972 * cpphash.h (_cpp_fake_include): New.
11973 * cpplib.c (do_line): Call _cpp_fake_include when entering
11974 header files in preprocessed input.
11975 * cppmain.c (cb_pragma_implementation): Remove handling.
11976 (setup_callbacks): Don't register pragmas.
11978 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11980 * extend.texi: Udate for CPP.
11982 2001-01-13 Andreas Jaeger <aj@suse.de>
11984 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11986 * regmove.c: Add prototype for replace_in_call_usage.
11988 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11990 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11991 struct cpp_chunk, struct htab, struct toklist,
11992 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11993 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11994 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11995 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11996 (struct macro_args): Delete.
11997 * cpphash.h: See above.
11999 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12001 * cppmain.c (struct printer): Remove no_line_dirs.
12002 (options, cb): New.
12003 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12004 : Use options rather than CPP_OPTION.
12005 (setup_callbacks): Use cb rather than pfile->cb.
12006 (main): No need to check for a buffer. Use cpp_errors.
12007 (printer_init): Don't set no_line_dirs.
12008 (maybe_print_line): Use options not no_line_dirs.
12009 (cb_file_change): Don't call print_line if -P.
12011 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12013 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12015 * c-parse.in (finish_parse): Use cpp_errors.
12016 (__yylex): Use return value of cpp_pop_buffer.
12017 * cp/lex.c (finish_parse): Use cpp_errors.
12018 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12020 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
12022 * README.AVR: URLs corrected.
12024 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12026 * c-decl.c (start_function): Don't warn if old prototype is builtin
12027 that's not in C's namespace.
12028 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12029 (_bb): Add prototype for ctime.
12030 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12032 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
12034 * i386.c (ix86_fp_comparison_arithmetics_cost,
12035 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12036 ix86_fp_comparison_cost): New functions.
12037 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12038 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12039 two-branch sequences; make static.
12040 (ix86_use_fcomi_compare): Do decision according to the costs.
12041 (split_fp_branch): New.
12042 * i386.md (compare-and-branch patterns): Use split_fp_branch.
12043 * i386-protos.h (ix86_expand_fp_compare): Remove
12044 (ix86_split_fp_branch): Declare.
12046 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12047 and ix86_comparison_operator.
12049 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12050 to make it cheaper.
12052 * i386.c (put_condition_code): Output properly the unordered/ordered
12053 compares in fp case.
12054 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12056 * tm.texi (REVERSE_CONDITION): Document.
12057 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12058 in -ffast-math mode.
12059 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12061 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12063 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12065 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12068 * config/sh/sh.c (mova_p): Fix test for mova_const.
12070 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12072 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12073 cpp_get_options rather than dereferencing pfile and using
12075 * scan-decls.c (scan_decls): Use return value of
12076 cpp_pop_buffer rather than CPP_BUFFER.
12078 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12080 * cppinit.c (cpp_handle_option): help_only is now part of the
12081 cpp_options structure.
12082 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12083 cpp_set_callbacks): New functions.
12084 * cpplib.h (cpp_callbacks): Break out as a named structure.
12085 (cpp_options): Move help_only here from cpp_reader.
12086 (CPP_FATAL_ERRORS): Update to use cpp_errors.
12087 (cpp_errors, cpp_get_options, cpp_get_callbacks,
12088 cpp_set_callbacks): New prototypes.
12089 * cppmain.c (main): Update for help_only.
12091 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12093 * Makefile.in (info, maintainer-clean, install-info, uninstall):
12094 Also build and remove and install and uninstall c-tree.info and
12096 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12097 ($(srcdir)/cppinternals.info): New target.
12098 * c-tree.texi: Change file name used when makeinfo used without -o
12099 from ir.info to c-tree.info. Add info directory entry.
12100 * cppinternals.texi: Add info directory entry.
12101 * .cvsignore: Update.
12103 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12105 * c-typeck.c (store_init_value): Don't require constant initializer
12106 elements with -pedantic -std=c99.
12107 (digest_init): Change error about non-constant initializer elements
12109 (constructor_range_end): Remove.
12110 (constructor_incremental, designator_depth,
12111 designator_errorneous): New variables.
12112 (struct constructor_stack): Remove range_end, add incremental.
12113 (struct constructor_range_stack, constructor_range_stack): New.
12114 (struct initializer_stack): Add constructor_range_stack.
12115 (finish_init): Set it.
12116 (start_init): Likewise. require_constant_elements for non-static
12117 trees only if not flag_isoc99.
12118 (really_start_incremental_init): Remove constructor_range_end, add
12119 constructor_incremental.
12120 (pop_init_level): Likewise.
12121 (push_init_level): Likewise. If implicit and the subobject had some
12122 value set already, preinitialize the level with it.
12123 Warn about missing braces only if not pushing due to designators.
12124 (set_designator, push_range_stack): New functions.
12125 (set_init_label): Use them.
12126 (set_init_index): Likewise. Remove constructor_range_end.
12127 Error if designator index is outside of array bounds.
12128 (add_pending_init): Compare values of purpose index trees, not the
12129 trees themselves. Allow overwriting of already initialized element.
12130 Issue a warning if it had side-effects.
12131 (set_nonincremental_init, set_nonincremental_init_from_string): New
12133 (pending_init_member): Rename to...
12134 (find_init_member): ...this function. Call set_nonincremental_init
12135 if necessary. Compare values of purpose index trees, not the trees
12136 themselves. Return the actual value, not just non-zero if something
12138 (output_init_element): Remove checks for duplicates.
12139 If field has zero size, only check the initializer for correctness.
12140 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12141 if constructor_incremental is zero. Change error about initializers
12142 not computable at load time into pedwarn.
12143 (output_pending_init_elements): Compare bit positions, not
12144 FIELD_DECLs to take into account zero-sized fields.
12145 (process_init_element): Use constructor_range_stack to fill all
12146 ranges in the designator lists from current level up.
12147 * extend.texi: Update documentation for labeled elements.
12149 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12151 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12152 to function usage for arguments passed by reference. Optimize
12153 callee-copied arguments.
12154 * regmove.c (replace_in_call_usage): New function.
12155 (fixup_match_1): Call it.
12156 * cse.c (cse_insn): Canonicalize registers in function usage.
12157 * reload1.c (replace_pseudos_in_call_usage): New function.
12160 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12163 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12165 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12168 2001-01-12 DJ Delorie <dj@redhat.com>
12170 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12171 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12174 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12176 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12177 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12178 -std options alongside references to -ansi. Update some
12179 documentation for C99.
12180 * cpp.1: Regenerate.
12182 2001-01-12 Andreas Jaeger <aj@suse.de>
12184 * haifa-sched.c (restore_line_notes): Remove argument block B
12186 * sched-ebb.c (schedule_ebb): Change caller.
12187 * sched-rgn.c (schedule_region): Likewise.
12188 * sched-int.h (restore_line_notes): Adjust prototype.
12190 * loop.h: Remove wrong declaration of doloop_condition_get.
12192 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12194 * extend.texi: Move C++-extension-related node from the C section
12195 into the C++ section.
12197 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12199 * extend.texi: Refer to an array of pointers to functions instead
12200 of one of functions.
12202 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12203 Jan Hubicka <jh@suse.cz>
12205 * combine.c (reversed_comparison): Fix typo in last patch.
12207 (combine_reversed_comparison_code): Make static to follow
12208 prototype declaration.
12210 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12212 * install.texi: Remove misplaced duplicate entry.
12214 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12216 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12218 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12220 * final.c: (leaf_function_p): Fix typo.
12222 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12224 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12225 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12227 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12228 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12229 mmap_anon, and valloc is available.
12230 * ggc-page.c: Restructure ifdef logic to match new autoconf
12231 spec. Don't throw away the test page in init_ggc.
12233 * configure, config.in: Regenerate.
12235 2001-01-12 Michael Hayes <mhayes@redhat.com>
12237 * loop.h (total_biv_increment): Constify iv_class pointer.
12238 (struct induction): Replace `mem_mode' with `mem' rtx.
12239 * unroll.c (total_biv_increment): Constify iv_class pointer.
12240 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12241 (find_mem_givs, combine_givs_p): Likewise.
12242 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12244 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12246 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12248 (__gthread_getspecific): Ditto.
12250 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12252 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12253 put_condition_code): Convert fp comparison codes to integer
12255 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12258 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12259 * i386-protos.h (no_comparison_operator): Kill.
12261 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12263 * combine.c (REVERSIBLE_CC_MODE): Remove.
12264 (reversible_comparison_p): Remove.
12265 (combine_reversed_comparison_code): New.
12266 (reversed_comparison): New.
12267 (combine_simplify_rtx): Use
12268 combine_reversed_comparison_code/reversed_comparison instead
12269 of reversible_comparison_p.
12270 (simplify_if_then_else): Likewise.
12271 (simplify_set): Likewise.
12272 (simplify_logical): Likewise.
12273 (if_then_else_cond): Likewise.
12274 (known_cond): Likewise.
12275 (simplify_comparison): Likewise.
12277 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12279 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12280 sizeof (int) is larger than sizeof(__word__).
12282 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12284 * cppinit.c (do_includes): Fix typo.
12286 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12288 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12289 in S_REGS does not occur because not all sources are possible
12290 when a S_REGS is a destination (sometimes needs a clobber).
12291 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12292 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12293 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12294 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12295 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12296 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12297 (lshrdi_const1, lshrsi3_const16): Likewise.
12298 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12299 (*movhi_68hc12, *movqi_68hc12): Likewise.
12300 (movstrictqi): Make sure reloading in D_REGS as a destination
12303 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12305 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12307 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12309 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12310 -D, -U and -A, and don't initialize the builtins.
12311 (do_includes): Error if -include or -imacros with -fpreprocessed.
12312 * cppmain.c (cb_define, cb_undef): Unconditionally process
12314 * tradcpp.c (main): Fix typo.
12316 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12318 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12319 (read_name_map): Use IS_ABSOLUTE_PATH.
12320 * tradcpp.c (get_filename): Likewise.
12322 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12324 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12325 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12326 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12327 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12328 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12329 (cmphi_z_used): Don't use '@' for the output.
12330 (tstqi_z_used): Likewise.
12331 (cmpqi_z_used): Likewise.
12332 (one_cmplsi2): Likewise.
12334 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12336 * config/sh/sh.c (barrier_align): Recognize branch around far
12337 branch and redundant insn.
12339 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12341 * invoke.texi: Restore documentation of the drivers' switches -MD
12344 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12346 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12348 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12349 check-objc//%): Support parallel testing of multilibs.
12350 (TESTSUITEDIR): Set to testsuite by default, but override for
12352 (check-gcc, check-g++, check-g77, check-objc): Enter
12355 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12357 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12358 * sched-deps.c (deps_may_trap_p): Likewise.
12359 * basic-block.h: Remove a comment.
12360 * flow.c (PROP_POSTRELOAD): Remove.
12361 (update_life_info): Don't add it to prop_flags.
12362 (mark_set_1): Lose the code that was enabled by it.
12364 2001-01-11 Michael Hayes <mhayes@redhat.com>
12366 * flow.c (flow_call_edges_add): New.
12367 * basic_block.h (flow_call_edges_add): New.
12369 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12371 * reload1.c (move2add_note_store): Update reg_set_luid even if
12372 base reg remains the same.
12374 2001-01-10 Nick Clifton <nickc@redhat.com>
12376 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12377 machine_function structure to zero.
12378 Add prototypes for machine_status functions.
12380 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12382 * c-common.h (CTI_VOID_LIST): Remove.
12383 (void_list_node): Likewise.
12384 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12385 (void_list_node): New macro.
12386 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12387 * config/i386/i386.c (ix86_init_builtins): Likewise.
12388 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12390 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12392 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12393 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12395 * tradcpp.c: Include mkdeps.h.
12396 (deps, print_deps_phony_targets, deps_append, output_deps,
12397 init_dependency_output, output_deps): New.
12398 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12399 deps_output): Delete.
12400 (print_deps_missing_files): Rename deps_missing_files.
12401 (inhibit_output): Make global.
12402 (main): Delete inhibit_output, deps_stream, deps_target.
12403 Use mkdeps functionality in the same way as cpplib. Remove
12404 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12405 -M and -MM. Remove old handling of deps via deps_out, and
12406 old reading of environment variables.
12407 (get_filename): Update to use deps_add_dep.
12409 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12411 * output.h (make_function_rtl): Remove prototype.
12412 (make_decl_rtl): Likewise.
12413 * varasm.c (make_function_rtl): Remove.
12414 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12415 than from a third parameter.
12416 * tree.h (make_decl_rtl): Remove last parameter.
12417 * c-decl.c (builtin_function): Remove last argument in call to
12418 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12419 (start_function): Likewise.
12420 * except.c (call_get_eh_context): Likewise.
12421 * expr.c (emit_block_move): Likewise.
12422 (clear_storage): Likewise.
12423 * profile.c (output_func_start_profiler): Likewise.
12424 * toplev.c (rest_of_decl_compilation): Likewise.
12425 * objc/objc-act.c (create_builtin_decl): Likewise.
12426 (synth_module_prologue): Likewise.
12427 (generate_static_reference): Likewise.
12428 (build_selector_reference_decl): Likewise.
12429 (build_class_reference_decl): Likewise.
12430 (build_objc_string_decl): Likewise.
12431 (build_protocol_reference): Likewise.
12433 2001-01-10 Richard Henderson <rth@redhat.com>
12435 * hwint.h: Revert yesterday's change.
12437 2001-01-10 Nick Clifton <nickc@redhat.com>
12439 * function.h (save_machine_status): Delete.
12440 (restore_machine_status): Delete.
12441 Amend comment describing {init|mark|free}_machine_status.
12443 * function.c (save_machine_status): Delete.
12444 (restore_machine_status): Delete.
12445 Amend comment describing {init|mark|free}_machine_status.
12446 (push_function_context_to): Remove invocation of
12447 save_machine_status.
12448 (pop_function_context_from): Remove invocation of
12449 restore_machine_status.
12451 * emit-rtl.c (init_emit_once): Amend comment describing
12452 {init|mark|free}_machine_status.
12454 * tm.texi (Per-Function Data): New node. Describe the
12455 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12458 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12460 * cppinit.c (OPT_g): Remove.
12461 (cpp_handle_option): Update for removed -g3.
12462 (print_help): Update.
12463 * cpplib.h (struct cpp_options): Remove debug_output.
12464 * cppmain.c (setup_callbacks, cb_define): Update.
12465 * gcc.c (cpp_options): Translate -g3 to -dD.
12467 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12469 * config/i960/i960.md: Change modifier to + on the zero_extract
12470 pattern after the (rotate -2 reg) canonicalization pattern.
12472 2001-01-10 Richard Henderson <rth@redhat.com>
12474 * config/alpha/alpha.c (alpha_free_machine_status): New.
12475 (override_options): Install it.
12476 (alpha_mark_machine_status): Verify machine non-null.
12477 * config/i386/i386.c (ix86_free_machine_status): New.
12478 (override_options): Install it.
12479 (ix86_init_machine_status): Use xcalloc.
12480 (ix86_mark_machine_status): Verify machine non-null.
12481 * config/ia64/ia64.c (ia64_free_machine_status): New.
12482 (ia64_override_options): Install it.
12483 (ia64_mark_machine_status): Verify machine non-null.
12485 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12487 * function.c (instantiate_virtual_regs): Instantiate virtual
12488 registers found in CALL_INSN_FUNCTION_USAGE.
12490 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12492 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12493 equivalent to -ansi in disabling -Di386.
12495 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12497 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12499 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12501 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12503 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12505 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12507 * invoke.texi: Document that -fcond-mismatch isn't supported for
12510 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12512 * gcc.texi: Define macro gcctabopt.
12513 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12514 @command, @env and @option in some places where appropriate. Use
12515 @gcctabopt where appropriate. Put URLs and email addresses inside
12518 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12520 * gcc.c (cpp_options): Set MD file name from output
12521 filename, if specified.
12522 (suffix_subst): New static variable.
12523 (do_spec): Clear it.
12524 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12526 (give_switch): Handle suffix_subst.
12528 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12530 * invoke.texi: Fix another typo.
12532 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12534 * invoke.texi: Fix typo.
12536 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12538 * c-lang.c (lang_hooks): Update.
12539 (lang_decode_option): Remove.
12540 (lang_init_options): Rename c_init_options.
12541 * toplev.c (main): Use lang_hooks for lang_init_options
12542 and lang_decode_option.
12543 * toplev.h (lang_hooks): Add 2 new hooks.
12544 * tree.h: Remove lang_init_options and lang_decode_option.
12545 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12546 * cp/decl2.c: Similarly.
12547 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12548 (lang_hooks): Update.
12549 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12551 (lang_init_options): Rename ffe_init_options.
12552 (lang_hooks): Update.
12553 (lang_decode_option): Remove.
12554 * java/lang.c (lang_init_options): Rename java_init_options.
12555 (lang_decode_option): Rename java_decode_option.
12556 (lang_hooks): Update.
12557 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12558 (lang_decode_option): Rename objc_decode_option.
12559 (lang_hooks): Update.
12561 2001-01-09 Nick Clifton <nickc@redhat.com>
12563 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12564 (d30v_return_addr_rtx): Delete.
12565 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12566 cfun->machine structure.
12567 (struct machine_function): Move to d30v.h
12568 (d30v_save_machine_status): Delete.
12569 (d30v_restore_machine_status): Delete.
12570 (d30v_init_machine_status): New Function.
12571 (d30v_mark_machine_status): New Function.
12572 (d30v_free_machine_status): New Function.
12573 (d30v_init_expanders): Use new functions.
12574 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12575 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12576 d30v_return_addr_rtx.
12578 * config/d30v/d30v.h (struct_machine): Move here.
12579 Add eh_epilogue_sp_ofs field.
12581 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12582 field in cfun->machine structure.
12584 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12586 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12587 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12588 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12590 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12592 * objc/lang-options.h: Remove bogus reference to
12595 2001-01-09 Kazu Hirata <kazu@hxi.com>
12597 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12600 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12602 * reload.c (find_reloads_address): Check for eliminable registers
12603 when substituting a constant expression for a pseudo.
12605 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12607 * c-common.c (enum format_type): Add format_type_error.
12608 (decode_format_type): New function.
12609 (decl_attributes): Use it.
12610 (format_kind_info): Adjust comment.
12612 2001-01-09 David O'Brien <obrien@BSDi.com>
12614 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12615 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12617 * config/i386/gnu.h: Don't include required platform specific .h files,
12618 tm.h will do it instead.
12619 * config/i386/i386elf.h: Likewise.
12620 * config/i386/linux.h: Likewise.
12621 * config/i386/moss.h: Likewise.
12622 * config/mips/gnu.h: Likewise.
12624 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12626 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12627 (rs6000-ibm-aix3.[01]*): Likewise.
12628 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12629 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12630 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12631 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12632 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12633 (powerpc-*-eabiaix*): Likewise.
12634 (powerpc-*-eabisim*): Likewise.
12635 (powerpc-*-elf*): Likewise.
12636 (powerpc-*-eabi*): Likewise.
12637 (powerpc-*-rtems*): Likewise.
12638 (powerpc-*-linux*libc1): Likewise.
12639 (powerpc-*-linux*): Likewise.
12640 (powerpc-wrs-vxworks*): Likewise.
12641 (powerpcle-wrs-vxworks*): Likewise.
12642 (powerpcle-*-sysv*): Likewise.
12643 (powerpcle-*-elf*): Likewise.
12644 (powerpcle-*-eabisim*): Likewise.
12645 (powerpcle-*-eabi*): Likewise.
12646 (powerpcle-*-solaris2*): Likewise.
12647 * config/rs6000/aix31.h: Delete includes.
12648 * config/rs6000/aix3newas.h: Likewise.
12649 * config/rs6000/aix41.h: Likewise.
12650 * config/rs6000/aix43.h: Likewise.
12651 * config/rs6000/beos.h: Likewise.
12652 * config/rs6000/rtems.h: Likewise.
12653 * config/rs6000/sysv4.h: Likewise.
12655 2001-01-09 Kazu Hirata <kazu@hxi.com>
12657 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12658 Change an argument mode of machine_mode to shift_mode of
12659 shift_mode. Remove an extra error check.
12660 (emit_a_shift): Adopt to the new calling prototype of
12662 (function_prologue): Fix code for a monitor
12663 function. Support H8/S.
12664 (function_epilogue): Do not output pop for a monitor function.
12666 2001-01-09 Nick Clifton <nickc@redhat.com>
12668 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12669 (setup_incoming_varargs): Use sysv_varargs_p field of the
12670 cfun->machine structure.
12671 (struct machine_function): Move to rs6000.h
12672 (rs6000_save_machine_status): Delete.
12673 (rs6000_restore_machine_status): Delete.
12674 (rs6000_init_machine_status): New Function.
12675 (rs6000_free_machine_status): New Function.
12676 (rs6000_init_expanders): Use new functions.
12678 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12680 (struct machine_function): Move here.
12682 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12683 sysv_varargs_p field of the cfun->machine structure.
12685 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12687 (rs6000_restore_machine_status): Remove prototype.
12689 2001-01-09 Richard Henderson <rth@redhat.com>
12691 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12692 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12693 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12694 (sched_analyze_2, sched_analyze_insn): Likewise.
12695 (sched_analyze, init_deps): Likewise.
12696 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12697 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12698 (compute_block_backward_dependences): Update propagate_deps call.
12700 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12702 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12704 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12706 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12707 (cpp_handle_option): Handle them.
12708 (cpp_post_options): Ensure one of -M or -MM is specified with
12709 any other -M? option.
12710 (init_dependency_output): Suppress output with -MG.
12712 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12714 * cpp.texi: Update.
12715 * invoke.texi: Update.
12717 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12719 * sh.md (reload_outsf): Generate recognizable patterns for
12722 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12724 * c-lang.c (lang_hooks): Update.
12725 (lang_init): Rename c_init.
12726 (lang_finish): Remove.
12727 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12728 and lang_finish ().
12729 * toplev.h (lang_hooks): Add init () and finish ().
12730 * tree.h (lang_init, lang_finish): Remove.
12731 * cp/tree.h (lang_init, lang_finish): Remove.
12732 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12733 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12735 (lang_init, lang_finish): Remove.
12736 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12737 (lang_hooks): Update.
12738 * java/lang.c (lang_init): Rename java_init.
12739 (lang_finish): Remove.
12740 (lang_hooks): Update.
12741 * objc/objc-act.c (lang_init): Rename objc_init.
12742 (lang_finish): Remove.
12743 (lang_hoooks): Update.
12745 20001-01-09 Graham Stott <grahams@redhat.com>
12747 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12748 after `ptr` is initialised.
12750 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12752 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12753 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12754 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12755 stack adjusts, instead of r3.
12757 2001-01-09 Michael Hayes <mhayes@redhat.com>
12759 * flow.c (flow_loop_scan): Break out of ...
12760 (flow_loops_find) ... here.
12761 * basic-block.h (flow_loop_scan): New.
12762 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12763 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12765 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12767 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12769 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12770 realloc()ing macro_buffer.
12772 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12773 if it's wider than long and the target's long is wider than the
12776 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12778 Remove support for using UWIN as a host machine.
12779 * configure.in: Issue an error message.
12780 * configure: Regenerated.
12781 * config.gcc: Remove xm_* UWIN configury.
12782 * config/i386/xm-uwin.h: Remove.
12784 2001-01-08 Nick Clifton <nickc@redhat.com>
12786 * config/v850/v850.c (ra_rtx): Delete.
12787 (v850_save_machine_status): Delete.
12788 (v850_restore_machine_status): Delete.
12789 (v850_init_machine_status): New function.
12790 (v850_mark_machine_status): New function.
12791 (v850_free_machine_status): New function.
12792 (v850_return_addr): Use ra_rtx field in machine structure.
12793 (v850_init_expanders): Use new functions.
12795 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12796 * config/v850/v850.c: Change arguments to v850_output+* functions
12797 to take a const char *, to avoid compile time warning.
12798 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12799 (USER_LABEL_PREFIX): Redefine.
12801 2000-01-08 Jim Wilson <wilson@redhat.com>
12803 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12804 1 to unsigned HOST_WIDE_INT before left shift.
12806 2001-01-08 Nick Clifton <nickc@redhat.com>
12808 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12809 the machine structure has been allocated.
12810 (arm_free_machine_status): New function: Free the machine
12811 specific function structure.
12813 2001-01-08 Richard Henderson <rth@redhat.com>
12815 * jump.c (simplejump_p): Revert last change.
12817 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12819 * cppinit.c (init): Rename init_library.
12820 (cpp_create_reader): Update.
12821 * gcc.c (cpp_options): If -o given, use it as the target of
12824 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12826 * arm.c (arm_arch5e): New variable.
12827 (all_cores): XScale is a 5TE device.
12828 (arm_override_options): Set arm_arch5e.
12829 (arm_init_builtins): __builtin_prefetch is in arch5e.
12830 * arm.h (arm_arch5e): Declare it.
12832 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12834 * arm.md (define_constants): Add defines for UNSPEC and
12835 UNSPEC_VOLATILE insns. Update all users.
12836 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12837 * arm.c (multi_register_push, note_invalid_constants)
12838 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12839 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12840 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12842 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12844 * jump.c (jump_optimize_1): Use reversed_comparison_code
12845 instead of can_reverse_comparison_p.
12846 (jump_back_p): Likewise.
12847 (invert_exp_1): Likewise.
12848 (thread_jumps): Likewise.
12849 * simplify-rtx.c (simplify_unary_operation): Likewise.
12850 (simplify_ternary_operation): Likewise.
12851 * cse.c (find_comparison_args): Convert to use
12852 can_reverse_comparison_p.
12853 (record_jump_equiv): Likewise.
12855 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12857 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12858 (EPILOGUE_USES): Define.
12859 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12860 automatically stack the LR if it isn't live.
12862 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12864 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12867 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12869 * ggc-page.c (max_alignment): New structure.
12870 (MAX_ALIGNMENT): New macro.
12871 (init_ggc): Use it to round up the sizes in the
12872 extra_order_size_table.
12874 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12876 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12879 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12881 * builtins.def (BUILT_IN_FPRINTF): New entry.
12883 * c-common.c (c_expand_builtin_fprintf): New function.
12884 (init_function_format_info): Handle __builtin_fprintf.
12885 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12886 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12888 * c-decl.c (duplicate_decls): Adjust comment.
12890 * extend.texi (fprintf): Document new builtin.
12892 2001-01-07 Richard Henderson <rth@redhat.com>
12894 * jump.c (simplejump_p): Recognize any single_set jump
12895 of the proper form.
12897 2001-01-07 Richard Henderson <rth@redhat.com>
12899 * configure.in (slibdir): Accept an --with-slibdir option.
12900 Use "test" not "[" in configure. Default to $(libdir).
12902 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12904 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12905 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12906 (SHLIB_LINK): Create links for the soname.
12907 * config/mips/t-iris6: Likewise.
12908 * config/sparc/t-slibgcc: Likewise.
12909 * config/sparc/t-slibgcc-sld: Likewise.
12911 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12913 * config/i386/i386.c (constant_call_address_operand): Accept
12914 (const (plus (symbol_ref) (const_int))).
12915 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12916 constant_call_address_operand.
12918 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12920 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12921 and LONG_LONG_TYPE_SIZE > 32.
12923 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12925 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12926 the previous change.
12928 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12930 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12932 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12933 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12934 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12937 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12939 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12941 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12943 * c-lang.c (c_post_options): Call cpp_post_options.
12944 * objc/objc-act.c (objc_post_options): Similarly.
12945 * cppmain.c (main): Similarly.
12946 * fix-header.c (read_scan_file): Similarly.
12947 * cppinit.c (cpp_start_read): Move option consistency checks
12948 to cpp_post_options. Don't call init_dependency_output.
12949 If needed, add default target and main file dependency.
12950 (OPT_MD, OPT_MMD): Remove.
12952 (cpp_handle_option): Update for OPT_* changes.
12953 (cpp_post_options): New.
12954 (init_dependency_output): Command line -MF overrides environment
12955 variables. Don't set default target etc. Suppress output
12956 if dependencies are going to stdout.
12957 (print_help): Update.
12958 * cpplib.h (cpp_post_options): New.
12959 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12961 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12963 * jump.c (comparison_dominates_p): Support unordered compares.
12965 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12967 * simplify-rtx.c (simplify_relational_operation): Always simplify
12968 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12971 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12973 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12974 (nonzero_bits): Likewise.
12975 (simplify_comparison): Likewise.
12976 (num_sign_bit_copies): Likewise; return more sane value depending
12977 on STORE_FLAG_VALUE.
12978 (known_cond): Do not assume EQ to be always true for equivalent
12981 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12983 * cse.c (fold_rtx): Handle unordered comparisons.
12985 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12987 * rtlanal.c (set_of_1): New static function.
12988 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12989 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12990 reg_set_last_last_regno): Remove.
12991 (set_of): New global function.
12992 (set_of_data): New structure.
12993 (reg_set_p, reg_set_last): Revamp for set_of.
12994 * rtl.h (set_of): New.
12996 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12998 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12999 * extend.texi: Document _Exit builtin.
13001 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13003 * (initialize, initialize_builtins,
13004 initialize_dependency_output, initialize_standard_includes):
13005 Rename s/initialize/init. Update.
13006 (init_dependency_output): Move to after
13007 cpp_handle_options, the correct location temporally at least.
13008 (opt_comp): Move next to init (), its caller. Fix prototype.
13009 (init): Make "initialized" local scope.
13010 (cpp_create_reader): Always call init ().
13011 (cpp_start_read): Update.
13012 (output_deps): New function, broken out of cpp_finish.
13013 (cpp_finish): Break out output_deps.
13015 2001-01-07 Richard Henderson <rth@redhat.com>
13017 * collect2.c (COFF specific stuff): Revert 12-06 patch
13018 to prototype system functions.
13020 2001-01-07 Michael Hayes <mhayes@redhat.com>
13022 * hard-reg-set.h: Add multiple include guard.
13023 * basic-block.h (struct loop): Add `sink' field.
13024 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13025 (emit_iv_add_mult): Delete.
13026 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13027 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13028 (unroll_loop): Remove end_insert_before argument.
13029 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13030 (maybe_eliminate_biv_1): Likewise.
13031 (emit_iv_add_mult): Delete.
13032 (gen_add_mult, loop_regs_update): New.
13033 (loop_insn_emit_after, loop_insn_emit_before): New.
13034 (loop_insn_sink, loop_insn_sink_or_swim): New.
13035 (emit_iv_add_mult): Delete.
13036 (scan_loop): Set loop->sink.
13037 (loop_givs_reduce): Use loop_insn_sink and its ilk.
13038 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13039 (maybe_eliminate_biv_1): Likewise.
13040 (maybe_eliminate_biv_1): Add basic block argument.
13041 * unroll.c (unroll_loop): Remove end_insert_before argument.
13042 (find_splittable_regs): Likewise.
13043 (find_splittable_regs): Use loop_insn_sink and its ilk.
13044 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13046 2001-01-07 Michael Hayes <mhayes@redhat.com>
13048 * loop.h (loop_insn_hoist): New prototype.
13049 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13050 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13051 (check_dbra_loop, load_mems): Likewise.
13052 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13053 (find_splittable_givs): Likewise.
13055 2001-01-07 Michael Hayes <mhayes@redhat.com>
13057 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13059 2001-01-07 Richard Henderson <rth@redhat.com>
13061 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13063 2001-01-07 Richard Henderson <rth@redhat.com>
13065 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13066 NO_SHARED_LIBGCC_MULTILIB as required for the target.
13067 * gcc.c (init_spec): Massage the existing libgcc_spec into a
13068 variant that handles a shared libgcc.
13069 (process_command): Always validate -{static,shared}-libgcc.
13070 (do_spec_1): New 'M' case.
13071 * invoke.text (Link Options): Document -{static,shared}-libgcc.
13073 2001-01-07 Richard Henderson <rth@redhat.com>
13075 * Makefile.in (slibdir): New variable.
13076 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13077 (installdirs): Create slibdir.
13078 (install-libgcc, install-multilib): Defer to libgcc.mk.
13079 * configure.in (slibdir): Substitute.
13080 * mklibgcc.in (install): New target.
13082 * config/t-linux (SHLIB_LINK): Create links for the soname.
13083 (SHLIB_INSTALL): New.
13084 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13085 * config/mips/t-iris6 (SHLIB_INSTALL): New.
13086 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13087 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13088 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13090 2001-01-07 Richard Henderson <rth@redhat.com>
13092 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13093 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13094 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13096 2001-01-07 Michael Hayes <mhayes@redhat.com>
13098 * loop.c (count_loop_regs_set): Delete.
13099 (load_mems_and_recount_loop_regs_set): Delete.
13100 (loop_regs_scan): Merge common code from count_loop_regs_set,
13101 scan_loop, and load_mems_and_recount_loop_regs_set.
13102 (scan_loop): Call load_mems directly and loop_regs_scan
13103 again if new registers created.
13105 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13107 * toplev.c (main): Call the front-end specific post_options
13108 hook if one is given.
13109 * toplev.h (struct_lang_hooks, lang_hooks): New.
13110 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13111 for the C front end.
13112 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13113 lang_hooks for the C++ front end.
13114 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13115 lang_hooks for the ObjC front end.
13116 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13117 * java/lang.c (lang_hooks): Hooks for the Java front end.
13119 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13121 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13122 for verbose DWARF[2] debugging.
13123 (cb_define, cb_undef): The new callbacks.
13124 * toplev.h (debug_define, debug_undef): Make const correct.
13125 * toplev.c (debug_define, debug_undef): Similarly. Do not
13126 perform the verbosity tests here anymore.
13128 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13130 * reload.c (subst_reloads): Take INSN argument. When
13131 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13132 * reload.h (subst_reloads): Adjust prototype.
13133 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13134 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13135 present in JUMP_INSNs and copy them to JUMP_LABEL.
13136 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13137 JUMP_INSNs and insns with REG_LABELs that are followed by
13138 JUMP_INSNs with the same REG_LABEL.
13139 * sched-rgn.c (is_cfg_nonregular): Likewise.
13140 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13142 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13144 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13146 2001-01-06 Richard Henderson <rth@redhat.com>
13148 * loop.c (scan_loop): Use xcalloc for the regs array.
13149 (load_mems_and_recount_loop_regs_set): Zero the new memory
13150 received from xrealloc.
13152 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13154 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13156 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13158 * integrate.c (copy_rtx_and_substitute): When copying
13159 an ignored return value, strip REG_FUNCTION_VALUE_P.
13161 2001-01-06 Michael Hayes <mhayes@redhat.com>
13163 * loop.c (debug_biv, debug_giv): New.
13164 (loop_biv_dump): Break out from ...
13165 (record_biv): ... here.
13166 (loop_giv_dump): Break out from ...
13167 (record_giv): ... here.
13168 (loop_bivs_check): Use print_simple_rtl.
13169 * unroll.c (loop_iterations): Use print_simple_rtl.
13171 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13173 * pa.md (return, return_internal): Modify patterns to prevent regrename
13174 mucking with the return pointer.
13176 2001-01-05 Richard Henderson <rth@redhat.com>
13178 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13180 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13182 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13183 version supplied by Matteo Frigo.
13185 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13187 * cpp.texi: Update for -MQ.
13188 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13189 (cpp_cleanup): Always free pfile->deps.
13190 (initialize_dependency_output): Don't create pfile->deps.
13191 (cpp_handle_option): Similarly.
13193 * gcc.c (cpp_options): Handle -MQ.
13194 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13195 * mkdeps.c (base_name): Remove.
13196 (deps_init): Don't allocate vector space until it's needed.
13197 (deps_free): Only free vectors if allocated.
13198 (deps_add_target, deps_add_dep): Update for initial allocation.
13199 (deps_add_default_target): Don't strip to the base_name.
13201 2001-01-05 DJ Delorie <dj@redhat.com>
13203 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13204 (INIT_EXPANDERS): Define.
13206 * config/v850/v850.c (struct machine_function): Define.
13207 (v850_save_machine_status): New function.
13208 (v850_restore_machine_status): New function.
13209 (v850_return_addr): New function.
13210 (v850_init_expanders): New function.
13212 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13213 and v850_init_expanders.
13215 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13217 * cpplib.h (struct cpp_reader): Add help_only field.
13218 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13219 (cpp_handle_option): Set pfile->help_only if we see -h,
13220 --help, -target-help, or --version. Print version string but
13221 do not set help_only if we see -v or -version. Make text
13222 printed by -v match that printed by (-)-version.
13224 * cppmain.c (main): Exit after option parsing if
13225 pfile->help_only is true.
13227 * toplev.c (independent_decode_option): Call print_version,
13228 then exit, if we see --version (but not -version).
13229 (print_version): Split lengthy message into two lines.
13231 2001-01-05 Nick Clifton <nickc@redhat.com>
13233 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13234 temporary string for initialisation before calling ggc_alloc_string.
13236 2001-01-06 Michael Hayes <mhayes@redhat.com>
13238 * rtl.h (print_simple_rtl): New.
13239 * print-rtl.c (print_simple_rtl): New.
13240 (flag_simple): New.
13241 (print_rtx): Disable printing of flags and modes, etc.,
13242 if `flag_simple` nonzero.
13244 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13246 * function.c (fixup_var_refs): Use push_to_full_sequence where
13249 2001-01-05 Michael Meissner <meissner@redhat.com>
13251 * flags.h (flag_reorder_blocks): Add declaration.
13252 (flag_rename_block): Ditto.
13254 2001-01-05 DJ Delorie <dj@redhat.com>
13256 * function.c (reorder_blocks): Make sure the flags are all reset
13257 before using them to mark blocks, else a second invocation will
13258 corrupt the block chain.
13259 (reorder_blocks_0): New, resets the flags.
13261 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13263 * cse.c (find_comparison_args): Stop if the argument is known to
13266 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13268 * config/sh/sh.md (movdf): When splitting load into pair of
13269 registers, don't clobber the register used in the address too
13272 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13274 * varasm.c (mark_constant_pool): Improve initial comments.
13275 (mark_constants): Move marking of constants to mark_constant.
13276 (mark_constant): New function to recursively mark all constants
13277 referred to by a constant.
13279 2001-01-05 Catherine Moore <clm@redhat.com>
13281 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13283 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13285 * cp/lang-options.h: Bring comment in line with reality.
13286 * f/lang-options.h: Likewise.
13287 * java/lang-options.h: Likewise.
13288 * objc/lang-options.h: Likewise.
13289 * ch/lang-options.h: Likewise.
13290 * f/g77.texi: And update the manual.
13292 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13293 Denis Chertykov <denisc@overta.ru>
13295 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13296 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13297 * config/avr/avr.md (all peepholes that request a scratch register):
13298 Call it, FAIL the peephole if not safe (in interrupt functions).
13300 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13302 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13304 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13306 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13308 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13309 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13310 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13311 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13312 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13314 * extend.texi: Document these builtins.
13316 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13318 * c-common.c (lang_get_alias_set): Say we know nothing of
13319 VECTOR_TYPE aliasing.
13321 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13323 2001-01-05 Bruce Korb <bkorb@gnu.org>
13325 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13326 their x* equivalent versions for atexit-less systems
13327 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13328 systems (or any other system any more).
13330 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13332 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13333 output operands. Use arm_hard_register_operand for operand 4.
13334 (stmsi_postinc): Similarly.
13335 (ldmsi): Use arm_hard_register_operand for opernand 2.
13336 (stmsi): Similarly.
13337 * arm.c (arm_hard_register_operand): New function.
13338 * arm-protos.h (arm_hard_register_operand): Prototype it.
13340 * arm.h (HARD_REGNO_RENAME_OK): Define.
13342 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13344 * simplify-rtx.c (cfc_args): add "unordered" field.
13345 (check_fold_consts): Set unordered field.
13346 (simplify_relational_operation): Simplify the unordered
13349 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13352 * emit-rtl.c (try_split): Fix code to mark labels.
13353 * jump.c (mark_jump_label): Make global.
13354 * rtl.h (mark_jump_label): Declare.
13356 * predict.c (estimate_probability): Handle unordred comparisons.
13358 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13360 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13361 * cppinit.c (initialize_dependency_output): Update.
13362 (cpp_finish): Output dummy targets for -MP.
13364 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13365 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13366 * gcc.c (cpp_options): Update to handle -MP.
13367 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13368 to quote only the default target.
13369 (deps_phony_targets): Insert a preceding newline. Rename from
13370 deps_dummy_targets for consistency.
13373 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13375 * calls.c (emit_library_call_value_1): Support
13376 INIT_CUMULATIVE_LIBCALL_ARGS.
13377 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13379 2001-01-04 Richard Henderson <rth@redhat.com>
13381 * c-decl.c (finish_struct): Detect flexible array members
13382 used in an inappropriate context.
13383 * c-typeck.c (really_start_incremental_init): Special case
13384 constructor_max_index for zero length arrays.
13385 (pop_init_level): Allow initialization of flexible array
13386 members. Deprecate initialization of zero length arrays.
13387 Don't issue missing initializer warning for flexible array
13388 members or zero length arrays.
13389 (process_init_element): Don't dereference null DECL_SIZE.
13390 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13391 Don't abort for empty constructors. Use size_binop
13392 (output_constructor): Add commentary regarding zero length
13393 array futures. Abort if we try to initialize an array of
13394 unspecified length with a non-empty constructor in the middle
13397 * extend.texi (Zero Length): Update and clarify documentation
13398 on static initialization.
13400 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13402 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13403 with more than 32767 words of local storage.
13405 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13407 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13408 for 'abs', 'labs', and 'fabs'.
13409 (c4x_expand_builtin): Likewise.
13410 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13412 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13414 * config/sh/sh.md (prget, prset): New insn types.
13415 (return delay slot): Dont' allow prset.
13416 (call, sfunc delay slot): Don't allow prget.
13417 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13418 for prset and prget.
13420 2001-01-05 Michael Hayes <mhayes@redhat.com>
13422 * loop.h (struct loop_reg): New.
13423 (struct loop_regs): Change to use array of `struct loop_reg'.
13424 * loop.c: Replace assortment of varrays with single regs array.
13425 (count_one_set): Delete may_not_move array argument
13426 and use regs array instead. All caller's changed.
13427 (count_loop_regs_set): Delete may_not_move and single_usage
13428 arguments and use regs array instead. All caller's changed.
13429 (find_single_use_in_loop): Replace usage array argument with pointer
13430 to regs structure. All caller's changed.
13431 (loop_optimize): Delete `moved_once' array.
13433 2001-01-05 Michael Hayes <mhayes@redhat.com>
13435 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13436 Use it instead of loop_info->has_call for scanning loop mems.
13437 (check_dbra_loop): Replace loop_info->has_call test with
13438 loop_info->has_nonconst_call.
13440 2000-01-04 Matthew Hiller <hiller@redhat.com>
13442 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13445 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13447 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13448 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13450 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13452 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13453 (flag_short_double, flag_short_wchar): Define.
13454 (c_common_nodes_and_builtins): Create many tree nodes shared
13455 between C and C++ here instead of in cp/decl.c and ...
13456 * c-decl.c (init_decl_processing): ... here.
13457 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13458 (flag_short_double, flag_short_wchar): Don't define.
13459 (record_builtin_type): New function.
13460 (build_void_list_node): New function.
13461 * c-common.h (flag_short_double, flag_short_wchar,
13462 record_builtin_type, build_void_list_node): Declare.
13464 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13466 * integrate.c (expand_inline_function): Don't put a virtual
13467 register into the reg map.
13469 * function.c (fixup_var_refs_1): If force_operand didn't put
13470 the address into the target, move it there.
13472 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13474 Special-case tree_decl/tree_list allocations.
13475 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13476 (OBJECT_SIZE): New macro.
13477 (NUM_EXTRA_ORDER): Likewise.
13478 (extra_order_size_table): New variable.
13479 (NUM_ORDERS): New macro.
13480 (objects_per_page_table): New variable.
13481 (object_size_table): New variable.
13482 (G.pages): Use NUM_ORDERS to bound the array.
13483 (G.page_tails): Likewise.
13484 (DIV_ROUND_UP): Remove.
13485 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13486 (alloc_page): Use OBJECT_SIZE.
13487 (size_lookup): Don't make it const.
13488 (ggc_alloc): Use OBJECT_SIZE.
13489 (ggc_set_mark): Likewise.
13490 (ggc_get_size): Likewise.
13491 (init_ggc): Set up the object_size_table, objects_per_page_table,
13492 and adjust size_lookup.
13493 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13494 (ggc_pop_context): Use NUM_ORDERS.
13495 (clear_marks): Likewise.
13496 (sweep_pages): Likewise.
13497 (poison_pages): Likewise.
13498 (ggc_print_statistics): Use OBJECT_SIZE.
13500 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13502 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13503 Only call array_size_for_constructor if last field and array type
13504 with no upper bound.
13506 2001-01-04 Philip Blundell <philb@gnu.org>
13508 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13509 from bit 31 downwards, if this requires no more insns.
13510 (count_insns_for_constant): New helper function for above.
13512 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13514 * gencodes.c (output_predicate_decls): Remove empty initializer.
13516 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13518 * tree.c (copy_node): Remove documentation about obstacks.
13519 (buidl1): Check that nobody tries to build 2-argument nodes this
13522 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13524 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13527 * gencodes.c (output_predicate_decls): Fill empty initializer
13530 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13532 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13533 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13535 (do_include): Handle missing headers like cpp0.
13536 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13537 paths with first include pathname. Don't strcat to uninitialized
13540 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13542 * regrename.c (regrename_optimize): Don't rename from frame pointer
13543 if frame_pointer_needed.
13544 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13545 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13546 (ia64_reorg): Use it instead of scheduling if ! optimize.
13547 (errata_emit_nops): Properly call asm_noperands.
13548 (ia64_sched_reorder): Finish cycle if we see an asm.
13549 (ia64_variable_issue): Clear scheduling state after asms.
13551 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13553 * cpp.texi: Update for -MT.
13554 * cppinit.c (initialize_dependency_output): Add a default
13555 target if none has been given already.
13556 (no_tgt, OPT_MT): New.
13557 (cpp_handle_option): Handle -MT. Update -M etc.
13558 * cpplib.h (struct cpp_options): Remove deps_target.
13559 * gcc.c (cpp_options): Handle -MT.
13560 * mkdeps.c (struct deps): Move from mkdeps.h.
13561 (deps_calc_target): Rename deps_add_default_target. Add a
13562 default target if none has been specified already.
13563 * mkdeps.h (struct deps): Move to mkdeps.c.
13564 (deps_calc_target): Rename deps_add_default_target.
13566 2000-01-03 Richard Henderson <rth@redhat.com>
13568 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13570 * c-typeck.c (push_init_level): Move checks for flexible array
13571 members and zero length arrays ...
13572 (pop_init_level): ... here. Silently discard empty initializations.
13574 * varasm.c (output_constructor): Update for sizeof change to
13575 zero-length arrays.
13577 * extend.texi (Zero Length): Clarify semantics.
13579 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13581 * configure.in (tm.h): Include isns-codes.h last.
13582 * configure: Rebuilt.
13584 2001-01-03 Richard Henderson <rth@redhat.com>
13586 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13587 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13589 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13591 * tradcpp.c (main): Make sure finclude() is called with a valid
13592 indepth value while handling -include.
13594 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13596 * gencodes.c (output_predicate_decls): New function.
13598 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13599 even if it is not the first time machmode.h is #included.
13600 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13601 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13602 * gcc.texi (Copyright): Added 2001.
13604 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13606 * c-common.c (c_common_lang_init): New function. Warn if format
13607 warning options which only have effects when used with -Wformat
13608 are used without -Wformat.
13609 * c-common.h (c_common_lang_init): Declare.
13610 * c-lang.c (lang_init): Call c_common_lang_init.
13611 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13613 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13615 * configure.in: Check for the mktemp command.
13616 * configure: Regenerate.
13617 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13618 $TEMP. Create temporary files with mktemp, if available at
13619 configure time; otherwise use set -C. Remove temporary files
13622 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13624 * configure.in: Require at least texinfo 4.0. Check for whether
13625 Pod::Man is sufficiently recent to regenerate GCC manpages.
13626 * configure: Regenerate.
13627 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13629 (GENERATED_MANPAGES): Define.
13630 (generated-manpages): New target. Depend on cpp.1 as well as
13632 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13633 configure to generated-manpages or empty) rather than on the
13634 manpages directly. Remove execute permission from installed
13635 gcov.1 as well as cpp.1.
13636 * cpp.1, gcov.1: Regenerate.
13638 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13640 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13641 tree_low_cst. Allow using cmpstrsi in more cases.
13643 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13645 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13648 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13650 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13651 * Makefile.in (HOST_CFLAGS): Mention build-make.
13653 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13655 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13658 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13660 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13663 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13666 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13667 reg_base_value and reg_known_value arrays.
13668 (init_alias_analysis): Add more cases to detect known values.
13669 * sched-deps.c (deps_may_trap_p): New function.
13670 (sched_analyze_2): Use it.
13672 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13674 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13675 don't discard an ASHIFTRT if we're shifting in a wider mode.
13677 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13679 * toplev.c (rest_of_compilation): Don't print basic block information
13680 when CFG isn't up to date.
13682 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13684 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13685 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13686 (UNALIGNED_SHORT_ASM_OP): Define.
13687 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13689 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13691 * fold-const.c (fold_convert): Fix typo.
13693 2001-01-02 Richard Henderson <rth@redhat.com>
13695 * c-common.h (ASM_INPUT_P): New.
13696 * c-parse.in (asm): Set it when needed.
13697 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13698 existance of an operand.
13700 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13702 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13703 (dwarf2out_frame_debug_expr): Likewise.
13704 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13706 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13708 * i386.c (ix86_split_to_parts): Return number of part required;
13710 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13712 (ix86_split_long_move): Use number of part returned
13713 by ix86_split_to_parts
13714 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13716 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13717 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13718 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13719 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13720 (ALIGN_MODE_128): Add TFmode.
13721 (IS_STACK_MODE): Likewise.
13722 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13723 (HARD_REGNO_OK): Support TFmodes.
13724 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13725 * i386.md (scheduler definitions): Use memory operand to determine
13726 fst/fld instructions; use mode attribute to determine real mode of
13728 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13729 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13731 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13733 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13735 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13737 * expr.c (store_constructor_field): Update ALIGN before calling
13740 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13742 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13745 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13747 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13750 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13752 * c-decl.c (start_function): Don't warn on third parameter to main.
13754 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13756 * tsystem.h: Define HAVE_DECL_GETOPT.
13758 2001-01-02 Philip Blundell <pb@futuretv.com>
13760 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13763 2001-01-02 Richard Henderson <rth@redhat.com>
13765 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13767 2001-01-02 Andreas Jaeger <aj@suse.de>
13769 * c-decl.c (c_decode_option): Remove support of
13770 -Wmissing-noreturn.
13772 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13773 (W_options): Add -Wmissing-noreturn here.
13775 * flow.c: Define lang_missing_noreturn_ok_p.
13776 (check_function_return_warnings): Use it.
13778 * c-common.h: Declare lang_missing_noreturn_ok_p.
13780 * c-lang.c (c_missing_noreturn_ok_p): New function.
13781 (lang_init): Set lang_missing_noreturn_ok_p.
13783 * invoke.texi (Warning Options): Document this.
13785 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13787 * extend.texi (C++ Extensions): New node for C++ attributes;
13788 describe init_priority and com_interface.
13789 * invoke.texi: Remove -finit-priority as it now has zero effect.
13790 * install.texi: Fix xref syntax.
13791 * md.texi: Likewise.
13793 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13795 * config.gcc (sparc64-wrs-vxworks*): New case.
13796 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13798 * config/sparc/sparc.c (sparc_override_options): Do support different
13799 pointer and architecture size.
13800 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13801 (POINTERS_EXTEND_UNSIGNED): Define.
13802 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13803 (FUNCTION_MODE): Define to be Pmode.
13804 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13806 * function.c (expand_function_end): Properly handle DECL_RESULT
13807 and copy when ptr_mode != Pmode.
13808 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13810 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13812 * c-common.c (c_common_nodes_and_builtins): Set prototype
13813 parameters for __builtin_fputs, __builtin_fputc and
13814 __builtin_fwrite. Don't declare plain fputc as a builtin.
13816 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13818 * loop.c (add_label_notes): Increment the label usage count when
13819 a note is added to an insn which refers to a CODE_LABEL.
13820 * gcse.c (add_label_notes): Likewise.
13822 2001-01-01 Andreas Jaeger <aj@suse.de>
13824 * loop.c (scan_loop): Use xmalloc to allocate movables.
13826 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13828 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13829 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13830 * reload1.c (REGISTER_MOVE_COST): Likewise.
13831 * regclass.c (REGISTER_MOVE_COST): Likewise.
13832 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13833 dimension. Adjust all users.
13834 (init_reg_sets_1): Iterate on all modes.
13835 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13836 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13837 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13838 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13839 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13840 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13841 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13842 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13843 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13844 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13845 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13846 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13847 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13848 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13849 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13850 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13851 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13852 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13853 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13854 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13855 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13856 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13857 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13858 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13859 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13860 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13861 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13863 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13865 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13866 arg VARIES_P. Call it with extra arg.
13867 (true_dependence): Likewise.
13868 * rtl.h (rtx_addr_can_trap_p): Declare.
13869 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13871 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13872 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13873 pic offset table register if it's zero. All callers changed.
13874 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13876 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13878 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13879 STRING_POOL_ADDRESS_P.
13881 * config/sparc/sparc.c (input_operand): Properly test for short op.
13883 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13884 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13885 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13886 * config/sparc/elf.h: No longer include sol2.h.
13887 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13888 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13890 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13892 2001-01-01 Michael Hayes <mhayes@redhat.com>
13894 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13895 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13896 (record_initial): Likewise.
13897 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13898 (remap_split_bivs): Likewise.
13900 2001-01-01 Michael Hayes <mhayes@redhat.com>
13902 * loop.c (loop_ivs_free): New function.
13903 (strength_reduce): Break out from...
13905 2001-01-01 Michael Hayes <mhayes@redhat.com>
13907 * loop.h (struct iv): New.
13908 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13909 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13910 'reg_biv_class' fields with 'regs' and 'n_regs'.
13911 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13912 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13913 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13915 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13917 * resource.c (mark_referenced_resources): Abort() before
13918 attempting to mark a pseudo register.
13919 (mark_set_resources): Likewise.
13921 2001-01-01 Michael Hayes <mhayes@redhat.com>
13923 * loop.h (REG_IV_CLASS): New accessor macro.
13924 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13925 * unroll.c (REG_IV_CLASS): Likewise.
13927 See ChangeLog.4 for earlier changes.