| blob | ff616dc32ff4cc672c49df643c72357d6e4b8767 |
1 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3 PR rtl-optimization/27477
4 * combine.c (try_combine): Don't split a parallel consisting
5 of two sets into two individual sets if both sets reference
6 cc0.
8 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10 * unwind-dw2.c: Add declarations for uw_update_context and
11 uw_frame_state_for.
12 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
13 detected, advance frame state and context once to skip over stub.
15 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
17 PR middle-end/20256
18 PR middle-end/26435
19 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
20 Call rewrite_into_loop_closed_ssa only when something changed.
21 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
22 * lambda-code.c (can_convert_to_perfect_nest): Declared.
23 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
24 Test for perfect_nest_p here. Fix formating.
25 (replace_uses_equiv_to_x_with_y): Fix formating.
26 (stmt_uses_op): Removed.
27 (can_convert_to_perfect_nest): Removed loopivs parameter.
28 Complete the test by checking the scalar dependences.
29 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
30 Fix formating.
32 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
34 PR bootstrap/22541
35 From Dan Kegel <dank@kegel.com>:
36 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
38 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
40 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
41 if the element type is variably modified without recursing.
43 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
45 PR middle-end/27332
46 * tree-loop-linear.c (try_interchange_loops): Test for
47 no data dependences.
49 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
51 PR tree-optimization/27548
52 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
53 range of ssa names that appear on abnormal edges.
54 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
55 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
57 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
59 PR middle-end/27620
60 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
62 2006-05-17 Jakub Jelinek <jakub@redhat.com>
64 PR middle-end/27415
65 * tree.h (OMP_PARALLEL_COMBINED): Define.
66 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
67 (new_omp_context): Add is_combined_parallel argument.
68 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
69 new_omp_context caller.
70 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
71 Adjust gimplify_scan_omp_clauses callers.
72 (omp_is_private): Issue errors if iteration variable is firstprivate
73 or reduction in the current context.
74 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
75 on combined parallel workshare constructs.
77 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
79 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
80 (gcc-options.o): New rule.
82 * optc-gen.awk: Protect variables for gcc-options.o with
83 #ifdef GCC_DRIVER/#endif.
85 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
87 Fix PR tree-optimization/27373
88 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
89 (forward_propagate_addr_expr): Update call.
91 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
93 * doc/options.texi: Move the Negative option.
95 2006-05-16 Richard Guenther <rguenther@suse.de>
97 PR tree-optimization/22303
98 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
99 from STRING_CSTs.
100 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
101 ccp_fold did not simplify the statement.
103 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
105 PR driver/26885
106 * Makefile.in (GCC_OBJS): New.
107 (OBJS-common): Add opts-common.o.
108 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
109 (cpp$(exeext)): Likewise.
110 (gcc.o): Also depend on opts.h.
111 (opts-common.o): New.
113 * common.opt (gcoff): Add Negative(gdwarf-2).
114 (gdwarf-2): Add Negative(gstabs).
115 (gstabs): Add Negative(gstabs+).
116 (gstabs+): Add Negative(gvms).
117 (gvms): Add Negative(gxcoff).
118 (gxcoff): Add Negative(gxcoff+).
119 (gxcoff+): Add Negative(gcoff).
120 * config/i386/i386.opt (m32): Add Negative(m64).
121 (m64): Add Negative(m32).
123 * doc/options.texi: Document the Negative option.
125 * gcc.c: Include "opts.h".
126 (main): Call prune_options after expandargv.
128 * optc-gen.awk: Generate common declarations for all flag
129 variables in options.c. Output the neg_index field.
131 * opts.c (find_opt): Moved to ...
132 * opts-common.c: Here. New file.
134 * opts.h (cl_option): Add a neg_index field.
135 (find_opt): New.
136 (prune_options): Likewise.
138 2006-05-16 Jakub Jelinek <jakub@redhat.com>
140 PR middle-end/27573
141 * omp-low.c (expand_omp_parallel): Don't assert
142 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
143 instead search for it.
145 PR c/27499
146 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
147 is signed.
149 2006-05-16 Andreas Schwab <schwab@suse.de>
151 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
152 defmac.
154 2006-05-15 Roger Sayle <roger@eyesopen.com>
156 PR target/26600
157 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
158 integer constants other than zero are only legitimate on TARGET_64BIT.
159 <CONST_VECTOR> Only zero vectors are legitimate.
160 (ix86_cannot_force_const_mem): Integral and vector constants can
161 always be put in the constant pool.
163 2006-05-16 DJ Delorie <dj@redhat.com>
165 * crtstuff.c (__dso_handle): Set section from
166 TARGET_LBIGCC_SDATA_SECTION if defined.
167 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
168 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
170 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
172 PR target/27599
173 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
174 host_xmake_file.
176 2006-05-16 Ben Elliston <bje@au.ibm.com>
178 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
180 2006-05-15 Per Bothner <per@bothner.com>
182 * tree.c: (last_annotated_node): Use sources_locus typedef.
183 This permits bootstrapping with --enable-mapped-location.
185 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
187 PR tree-optimization/26830
188 * tree-into-ssa.c (struct ssa_name_info): Add age field.
189 (info_for_ssa_name, current_info_for_ssa_name_age,
190 blocks_to_update): New variables.
191 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
192 (clear_ssa_name_info, initialize_flags_in_bb,
193 mark_block_for_update): New functions.
194 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
195 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
196 prepare_def_site_for): Use mark_block_for_update.
197 (mark_def_interesting): Assert that the processed block is marked in
198 blocks_to_update. Do not take blocks argument.
199 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
200 argument.
201 (rewrite_update_init_block, rewrite_update_stmt): Only process
202 blocks with statements to rewrite.
203 (delete_update_ssa): Do not clear SSA_NAME_AUX.
204 (update_ssa): Initialize and free blocks_to_update. Do not
205 clear flags on statements. Do not use blocks bitmap.
206 * tree.h (SSA_NAME_AUX): Removed.
207 (struct tree_ssa_name): Removed aux field.
208 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
210 2006-05-15 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/27603
213 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
214 Do computations in original type.
216 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
218 * see.c: Code style changes such as redundant paranthesis,
219 redundant intialization of local variables etc.
220 (see_main): Declared now as static.
221 * doc/invoke.texi: Update that -fsee is not enabled by
222 default at -O3.
224 2006-05-15 Jakub Jelinek <jakub@redhat.com>
226 * omp-low.c (check_omp_nesting_restrictions): New function.
227 (scan_omp_1): Call it.
229 PR middle-end/27416
230 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
231 construct, return *VAR.
233 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
235 PR rtl-optimization/27406
236 * bt-load.c (migrate_btr_def): Skip the block having abnormal
237 edges.
239 2006-05-14 Roger Sayle <roger@eyesopen.com>
241 PR rtl-optimization/27538
242 * combine.c (expand_compound_operation): Call gen_lowpart
243 before calling simplify_shift_const.
245 2006-05-14 Roger Sayle <roger@eyesopen.com>
247 PR rtl-optimization/22563
248 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
249 a fixed width bitfield, always force the intermediates into psuedos.
251 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
253 PR 27501
254 * mkconfig.sh: Use operator = instead of == for test.
256 2006-05-13 Nick Clifton <nickc@redhat.com>
258 * dwarf2out.c (dbx_reg_number): Check return value from
259 LEAF_REG_REMAP and only use it if it is valid.
260 (multiple_reg_loc_descriptor): Likewise.
262 2006-05-13 Richard Guenther <rguenther@suse.de>
264 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
265 host_xmake_file.
267 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
269 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
270 information attached to non-INSNs such as NOTEs.
271 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
273 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
275 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
276 On contraint.
277 * config/s390/s390.md: Adjust comment describing On constraint.
279 2006-05-11 Jan Hubicka <jh@suse.cz>
281 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
282 to be output at -O0.
284 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
286 PR middle-end/27384
287 * fold-const.c (size_binop): Move sanity check for arguments to
288 the beginning of the function.
290 PR middle-end/27488
291 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
292 expression.
294 2006-05-11 Richard Guenther <rguenther@suse.de>
296 PR middle-end/27529
297 * fold-const.c (fold_unary): Handle intermediate conversion
298 to a pointer type like intermediate conversion to an integer
299 type in folding of (T1)(T2)var to var.
300 Match the code to the comment in the final conversion for
301 (T1)(T2)var to (T1)var regarding to type precision. Rather
302 than disallow T1 being of pointer type, assert that both T1
303 and var are of pointer type or not. Make sure not to fall
304 over the frontends lazyness wrt array to pointer decay though.
306 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
308 * arm.c (arm_struct_value_rtx): Delete.
309 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
310 (arm_init_cumulative_args): Always initialize nregs to zero.
312 2006-05-10 Richard Guenther <rguenther@suse.de>
314 PR tree-optimization/27532
315 * tree-object-size.c (plus_expr_object_size): Fix typo.
317 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
319 PR target/24949
320 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
321 ashrdi_const, ashrdi3): Use a scratch register.
323 2006-05-10 Richard Guenther <rguenther@suse.de>
325 PR tree-optimization/27302
326 * fold-const.c (operand_equal_p): For two comparisons,
327 try comparison of one comparison code swapped if that yields
328 the same code.
330 2006-05-10 Ben Elliston <bje@au.ibm.com>
332 * tree-pretty-print.c (pretty_print_string): No need to handle
333 '\0' as a special character.
335 * tree.h: Include "hashtab.h".
336 (iterative_hash_expr): Use hashval_t in its prototype.
337 * Makefile.in (TREE_H): Add $(HASHTAB_H).
339 2006-05-09 Steve Ellcey <sje@cup.hp.com>
341 PR bootstrap/26872
342 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
343 (hppa*64*-*-hpux11*): Ditto.
344 (hppa[12]*-*-hpux11*): Ditto.
346 2006-05-09 David Edelsohn <edelsohn@gnu.org>
348 PR target/26545
349 * config/rs6000/aix41.h (TARGET_64BIT): Define.
351 2006-05-09 Michael Matz <matz@suse.de>
353 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
354 host_extra_gcc_objs and host_xmake_file.
355 (<*-*-linux*>): Don't overwrite host_xmake_file.
356 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
357 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
358 (host_detect_local_cpu): Declare.
359 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
360 * config/i386/i386.c (override_options): Handle -mtune=native
361 as -mtune=generic.
362 * config/i386/x-i386: New file.
363 * config/i386/driver-i386.c: New file.
364 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
365 cpu-type "native".
367 2006-05-09 Dirk Mueller <dmueller@suse.de>
368 Richard Guenther <rguenther@suse.de>
370 PR middle-end/27498
371 * fold-const.c (fold_read_from_constant_string): Relax check
372 for matching types to matching modes.
374 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
376 PR rtl-optimization/27335
377 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
378 loops.
380 2006-05-08 Chao-ying Fu <fu@mips.com>
381 Richard Sandiford <richard@codesourcery.com>
383 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
384 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
385 * config/mips/mips.md (UNSPEC_SCC): New constant.
386 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
387 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
388 (mips_emit_compare): Use it.
389 (mips_expand_vcondv2sf): New function.
391 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
393 Fix PR tree-optimization/27093
394 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
395 renaming when they become not-used_alone.
397 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
399 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
400 relocation and relocation stubs.
402 2006-05-08 Eric Christopher <echristo@apple.com>
404 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
405 section for ppc.
407 2006-05-08 Jan Hubicka <jh@suse.cz>
409 PR middle-end/25962
410 * cgraphunit.c (decide_is_function_needed): When not optimizing even
411 unused static functions are needed.
413 2006-05-08 Roger Sayle <roger@eyesopen.com>
415 PR target/27158
416 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
417 of a reg_equiv_constant if the result is a legitimate constant.
419 2006-05-08 Uros Bizjak <uros@kss-loka.si>
421 PR target/27277
422 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
423 standard 80387 constants, raise the cost to prevent
424 compress_float_constant() to generate load from memory.
426 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
428 * config/arm/constraints.md (c): Fix a typo.
430 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
431 typos.
433 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
435 PR target/24879
436 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
437 inline function.
438 (_mm_mwait): Likewise.
440 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
441 "mwait".
442 (sse3_monitor): Make it 32bit only.
443 (sse3_monitor64): New. 64bit monitor.
445 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
447 PR target/27421
448 * config/i386/i386.c (classify_argument): Skip fields with invalid
449 types.
451 2006-05-07 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/27409
454 * tree-ssa-structalias.c (get_constraint_for_component_ref):
455 Do not try to find zero-sized subvars.
457 2006-05-07 Richard Guenther <rguenther@suse.de>
459 PR tree-optimization/27136
460 * tree-ssa-loop-niter.c (get_val_for): Correct function
461 comment, assert requirements.
462 (loop_niter_by_eval): Stop processing if the iterated
463 value did not simplify.
465 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
467 * opts.c (flag_see): remove its setting at -O3.
469 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
471 * genpeep.c (main): Make insn-peep.c depend on flags.h.
472 * arm/constraints.md: New file.
473 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
474 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
475 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
476 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
477 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
478 (EXTRA_MEMORY_CONSTRAINT): Likewise.
479 * arm.md: Include constraints.md.
480 (thumb_movsi_insn): Use satisfies_constraint_J.
481 (movhi, movqi): Use satisfies_constraint_I.
483 2006-04-29 Anatoly Sokolov <aesok@post.ru>
485 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
486 for atmeg a645 device.
488 2006-05-06 Richard Guenther <rguenther@suse.de>
490 PR tree-optimization/27151
491 * tree-vect-transform.c (vectorizable_condition): Punt on
492 values that have a different type than the condition.
494 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
496 PR/21391
497 * c-parser.c (c_parser_cast_expression): Only insert casts into
498 hash table if pointer.
499 * function.c (used_types_insert_helper): Rename from
500 used_types_insert.
501 (used_types_insert): Call used_types_insert_helper.
502 * function.h (used_types_insert): Accept only one argument.
504 2006-05-05 David Edelsohn <edesohn@gnu.org>
506 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
507 scratch with output modifier.
509 2006-05-04 David Edelsohn <edelsohn@gnu.org>
511 PR target/26481
512 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
513 with output modifier.
515 2006-05-04 Richard Sandiford <richard@codesourcery.com>
517 PR target/26765
518 * config/mips/mips.c (mips_symbolic_address_p): Return true
519 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
520 SYMBOL_GOTTPREL, and SYMBOL_TLS.
522 2006-05-04 Richard Guenther <rguenther@suse.de>
524 PR tree-optimization/14287
525 PR tree-optimization/14844
526 PR tree-optimization/19792
527 PR tree-optimization/21608
528 PR tree-optimization/27090
529 * tree-ssa-pre.c (try_combine_conversion): New function.
530 (compute_avail): After constructing the value-handle
531 expression, use try_combine_conversion to combine NOP_EXPRs
532 with previous value-handle expressions and use the result if it
533 is available.
535 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
537 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
539 2006-05-04 Jan Hubicka <jh@suse.cz>
541 PR middle-end/25962
542 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
544 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
546 * config/bfin/predicates.md (const01_rtx): Tell generator programs
547 that this only matches CONST_INTs. All users changed to VOIDmode
548 operands.
550 * config/bfin/bfin.c: Include "optabs.h".
551 (bfin_rtx_costs): Some costs for vector operations, to allow combine
552 to do more work.
553 (enum bfin_builtins): Add a number of fractional and vector builtins.
554 (bfin_init_builtins): Likewise.
555 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
556 (safe_vector_operand, bfin_expand_binop_builtin,
557 bfin_expand_unop_builtin): New functions.
558 (bfin_expand_builtin): Handle the new builtins.
559 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
560 __ADSPBLACKFIN__.
562 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
564 * see.c: New file.
565 * Makefile.in (OBJS-common): Add see.o.
566 (see.o): Add dependencies.
567 * common.opt (fsee): New flag for the see optimization was added.
568 * opts.c (flag_see): Initialized.
569 * passes.c (init_optimization_passes, pass_see): New pass.
570 * rtl.h (see_main): Declaration as extern.
571 * timevar.def (TV_SEE): New.
572 * tree-pass.h (pass_see): Declaration as extern.
573 * invoke.texi (-fsee): Document.
574 * recog.c (validate_simplify_insn): New function.
575 * recog.h (validate_simplify_insn): Declaration as extern.
576 * df-problems.c (df_chain_dump): Check for NULL.
578 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
579 Daniel Berlin <dberlin@dberlin.org>
581 * cfgrtl.c (insert_insn_bb_end_new): New function.
582 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
584 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
586 * df.h (struct web_entry): Moved from web.c.
587 (union_defs): Declaration as extern.
588 (unionfind_root): Likewise.
589 (unionfind_union): Likewise.
590 * web.c (struct web_entry): Moved to df.h.
591 (unionfind_root): Remove static declaration.
592 (unionfind_union): Likewise.
593 (union_defs): Likewise and generalize to use callback function.
594 (web_main): Update arguments for union_defs function call.
596 2006-05-04 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/26447
599 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
600 produce SSA_NAME copies before the store stmt to avoid
601 breaking exception handling.
603 2006-05-04 Jakub Jelinek <jakub@redhat.com>
605 PR middle-end/27388
606 * gimplify.c (omp_is_private): If var is shared in some outer context,
607 return false instead of true. Stop searching on parallel context
608 boundary.
610 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
612 PR java/8260
613 * coverage.c: Use get_gcov_unsigned_t() instead of
614 unsigned_type_node all over.
616 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
618 PR tree-optimization/27381
619 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
620 maintain the same immediate_use links.
621 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
622 node rather than segfaulting.
624 2006-05-03 Jakub Jelinek <jakub@redhat.com>
626 PR fortran/27395
627 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
628 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
629 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
631 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
633 Fix PR tree-optimization/26626
634 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
635 always.
636 * tree-ssa-operands.c (access_can_touch_variable): Allow
637 typecasting through union pointers.
639 2006-05-02 Jakub Jelinek <jakub@redhat.com>
641 PR c++/26943
642 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
643 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
644 to find if var will be a global variable even in the nested context.
645 (omp_copy_decl): Only check for global variable at the end, it might
646 be overridden in outer contexts.
647 (scan_sharing_clauses): For global variables don't create a field.
648 (lower_rec_input_clauses): Do nothing for global shared variables.
649 Emit a barrier at the end of ILIST if there were any decls in both
650 firstprivate and lastprivate clauses.
651 (lower_send_clauses): Do nothing for global variables except for
652 COPYIN.
654 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
656 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
657 of the correct signedness is returned.
659 2006-05-02 Jeff Law <law@redhat.com>
661 PR tree-optimization/27364
662 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
663 multiply expressions.
665 2006-05-02 Tom Tromey <tromey@redhat.com>
667 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
669 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
671 PR target/27387
672 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
673 -mthumb -fPIC are used.
675 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
676 Joshua Kinard <kumba@gentoo.org>
678 PR target/25871
679 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
680 with 64-bit pointers.
682 2006-05-02 Paul Brook <paul@codesourcery.com>
684 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
685 and pool overlap.
686 (create_fix_barrier): Check that a suitable barrier location is
687 found.
688 (arm_reorg): Include ftmp->address in allowable range of addresses.
690 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
692 PR ada/27366
693 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
694 on Cygwin.
696 2006-05-02 Jakub Jelinek <jakub@redhat.com>
698 PR middle-end/27337
699 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
700 around RESULT_DECL for result passed by reference.
701 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
702 * omp-low.c (use_pointer_for_field): Don't look at
703 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
704 (scan_omp_1): Call remap_decl on RESULT_DECLs.
705 (lower_rec_input_clauses): Don't allocate VLA memory for the second
706 time or var for passing by reference for
707 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
708 TREE_ADDRESSABLE variables when passing by reference.
710 * omp-low.c (dump_omp_region): Fix output formatting.
712 PR middle-end/27328
713 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
714 (expand_omp_parallel): Likewise.
715 * tree-cfg.c (move_sese_region_to_fn): Likewise.
717 PR middle-end/27325
718 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
719 on statement list containing also constructors and destructors.
720 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
722 PR middle-end/27310
723 * except.c (duplicate_eh_regions): Fix clearing of
724 cfun->eh->region_array entries.
726 2006-05-01 DJ Delorie <dj@redhat.com>
728 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
729 build!=host.
730 (gcc_cv_objdump): Likewise.
731 * configure: Regenerated.
733 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
735 PR target/27374
736 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
737 templates for case 3 and 4.
739 2006-05-01 DJ Delorie <dj@redhat.com>
741 * vec.c: Include bconfig.h when appropriate.
742 * Makefile.in (build/vec.o): Adjust dependencies.
743 * mkconfig.sh: Make sure config.h isn't used for build machine
744 compiles.
746 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
748 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
749 variables.
750 (mark_phi_for_rewrite): New function.
751 (insert_phi_nodes_for, mark_use_interesting): Call
752 mark_phi_for_rewrite.
753 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
754 (update_ssa): Initialize and free phis_to_rewrite.
756 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
758 PR rtl-optimization/27291
759 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
760 folded to a constant.
762 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
764 PR tree-optimization/27283
765 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
766 not whole # of iteration descriptions.
767 (niter_for_exit): Return just # of iterations. Fail if # of iterations
768 uses abnormal ssa name.
769 (niter_for_single_dom_exit): Ditto.
770 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
771 return just the number of iterations.
773 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
775 PR tree-optimization/27144
776 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
777 (record_estimate): Only record constant upper bound.
778 (infer_loop_bounds_from_undefined): Call
779 compute_estimated_nb_iterations just once.
780 (proved_non_wrapping_p): Renamed to ...
781 (n_of_executions_at_most): ... this. Expect bound to be a constant.
782 (convert_step_widening, scev_probably_wraps_p): Call
783 n_of_executions_at_most instead of proved_non_wrapping_p.
784 (substitute_in_loop_info): Do not replace values in bounds.
785 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
786 comments.
788 2006-05-01 Richard Henderson <rth@redhat.com>
790 PR c/27358
791 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
792 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
793 CPP_PRAGMA.
795 2006-05-01 Roger Sayle <roger@eyesopen.com>
797 * c-typeck.c (parser_build_binary_op): Don't call the function
798 unsigned_conversion_warning to spot operand/result type overflow.
799 (build_binary_op): Instead, call convert_and_check instead of
800 convert to report the problem when the operands are promoted.
801 * c-common.c (unsigned_conversion_warning): Make static.
802 * c-common.h (unsigned_conversion_warning): Delete prototype.
804 2006-05-01 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/26726
807 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
808 problem ...
809 (find_interesting_uses_address): ... we work around here
810 by folding INDIRECT_REFs in the substituted base.
812 2006-05-01 Diego Novillo <dnovillo@redhat.com>
814 * omp-low.c (dump_omp_region): Add newlines.
816 2006-04-30 Roger Sayle <roger@eyesopen.com>
818 * common.opt (Woverflow): New command line option.
819 * c-common.c (constant_expression_warning): Check warn_overflow.
820 (overflow_waring): Pass OPT_Woverflow to warning.
821 (unsigned_conversion_warning): Likewise.
822 (convert_and_check): Likewise.
823 * doc/invoke.texi: Document new command line option.
825 2006-04-30 David Edelsohn <edelsohn@gnu.org>
827 * config/rs6000/rs6000.c (rs6000_override_options): Enable
828 TARGET_NO_FP_IN_TOC for section anchors.
829 (optimization_options): Enable section anchors for all
830 non-"Objective" languages.
832 2006-04-28 Eric Christopher <echristo@apple.com>
834 * config/darwin-c.c (darwin_ms_struct): Move this
835 (darwin_set_default_type_attributes): and this...
836 * config/darwin.c: ... here.
837 * config/darwin.h (darwin_ms_struct): Declare.
839 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
841 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
843 2006-04-28 Roger Sayle <roger@eyesopen.com>
845 PR c/25309
846 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
847 (push_array_bounds): Delete prototype. Change BOUNDS argument to
848 an unsigned HOST_WIDE_INT.
849 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
850 array index.
851 (really_start_incremental_init): No need to call convert because
852 bitsize_zero_node is already of type bitsizetype.
853 (push_init_level): Extract the value of constructor_index as an
854 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
855 (process_init_element): Likewise.
857 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
859 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
860 value before passing to make_relative_prefix.
862 2006-04-28 Alan Modra <amodra@bigpond.net.au>
864 PR middle-end/27260
865 * builtins.c (expand_builtin_memset): Expand val in original mode.
867 2006-04-27 Eric Christopher <echristo@apple.com>
869 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
870 with #ifndef/#endif.
871 * config/darwin-c.c (darwin_ms_struct): New.
872 (darwin_pragma_ms_struct): Ditto.
873 (darwin_set_default_type_attributes): Ditto.
874 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
875 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
876 Register ms_struct pragma.
877 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
878 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
879 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
880 darwin_set_default_type_attributes if TARGET_MACHO.
882 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
884 PR tree-optimization/26854
885 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
886 * doc/tree-ssa.texi: Update immuse iterator documentation.
887 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
888 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
889 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
890 first_safe_imm_use, next_safe_imm_use): Remove.
891 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
892 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
893 (move_use_after_head): New. Helper function to sort immuses in a stmt.
894 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
895 (first_imm_use_stmt): New. Get first stmt in an immuse list.
896 (next_imm_use_stmt): New. Get next stmt in an immuse list.
897 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
898 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
899 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
900 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
901 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
902 (perfect_nestify): Use new iterator.
903 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
904 iterator.
905 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
906 (next_imm_name): New field in struct immediate_use_iterator_d.
907 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
908 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
909 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
910 * tree-cfg.c (replace_uses_by): Use new iterator.
911 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
912 * tree-ssa-operands.c (correct_use_link): Remove.
913 (finalize_ssa_use_ops): No longer call correct_use_link.
915 2006-04-27 Stuart Hastings <stuart@apple.com>
917 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
918 * config/t-darwin (crt3.o): Use it.
919 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
920 'pmode', use Pmode instead of SImode for SYMBOL_REF.
921 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
922 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
923 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
924 support.
926 2006-04-27 Roger Sayle <roger@eyesopen.com>
928 * expmed.c (store_fixed_bit_field): If we're not optimizing for
929 size, force the intermediate into a new pseudo rather instead of
930 performing both a bitwise AND and a bitwise IOR in memory.
932 2006-04-27 Richard Guenther <rguenther@suse.de>
934 PR rtl-optimization/26685
935 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
936 this one "max-flow-memory-locations".
938 2006-04-27 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/25148
941 * tree-vrp.c (compare_values): Remove code dealing with
942 comparisons against type min/max value. Honour overflow
943 and negative constants in code dealing with comparisons
944 of plus and minus expressions.
945 (value_inside_range): Use fold_binary with LE_EXPR and
946 GE_EXPR rather than compare_values.
948 2006-04-27 Dirk Mueller <dmueller@suse.de>
950 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
951 prototype for SSE.
953 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
955 * basic-block.h (safe_insert_insn_on_edge): Removed.
956 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
958 2006-04-26 David Edelsohn <edelsohn@gnu.org>
959 Paolo Bonzini <bonzini@gnu.org>
961 PR middle-end/27282
962 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
963 (simplify_and_const_int): Same.
965 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
967 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
969 2006-04-26 Jakub Jelinek <jakub@redhat.com>
971 PR c/26171
972 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
973 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
974 cgraph_global_info_ready.
976 PR middle-end/26913
977 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
979 PR c/25996
980 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
981 either decl or init is error_mark_node.
983 PR middle-end/25989
984 * tree-flow.h (struct omp_region): Add sched_kind.
985 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
986 instead of extracting omp for data.
987 (expand_omp_for): Save extracted sched_kind.
989 2006-04-25 Roger Sayle <roger@eyesopen.com>
991 * expmed.c (store_bit_field): Also check whether the bitsize is
992 valid for the machine's "insv" instruction before moving the
993 target into a pseudo for use with the insv.
994 * config/i386/predicates.md (const8_operand): New predicate.
995 * config/i386/i386.md (extv, extzv, insv): Use the new
996 const8_operand predicate where appropriate.
998 2006-04-25 DJ Delorie <dj@redhat.com>
1000 * doc/install.texi (Specific): Clarify that this is not a list of
1001 supported hosts or targets.
1003 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1005 PR rtl-optimization/26725
1006 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1007 block's BB_DIRTY flag.
1009 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1011 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1012 are no branches.
1014 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1015 to print an integer.
1017 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1019 * varasm.c (align_variable): New function.
1020 (get_block_for_decl): Apply align_variable to DECL before
1021 calculating section information.
1022 (assemble_variable): Split out alignment computation.
1024 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1026 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1027 machines.
1029 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1032 MODE_PARTIAL_INT mode.
1033 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1034 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1035 for CONST_INTs.
1036 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1037 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1038 V2PDImode.
1039 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1040 New predicates.
1041 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1042 New constants.
1043 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1044 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1045 MACFLAG_IH): Likewise.
1046 (movstricthi_1): Renamed from "*movstricthi".
1047 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1048 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1049 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1050 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1051 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1052 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1053 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1054 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1055 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1056 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1057 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1058 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1059 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1060 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1061 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1063 * doc/rtl.texi (ss_ashift): Improve wording.
1065 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1067 * dwarf2out.c (verify_marks_clear): New.
1068 (prune_unused_types): Call verify_marks_clear initially, not
1069 prune_unmark_dies.
1071 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1073 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1074 * doc/rtl.texi: Document them.
1075 * simplify-rtx.c (simplify_unary_operation,
1076 simplify_binary_operation_1): Don't abort when we see them.
1078 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1080 Revert:
1081 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1082 * configure.ac: Completely disregard languages that are not
1083 enabled.
1084 * configure: Regenerated.
1086 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1087 Richard Guenther <rguenther@suse.de>
1089 PR tree-optimization/27236
1090 * tree-inline.c (copy_body_r): Make sure to copy
1091 TREE_THIS_VOLATILE flag.
1093 2006-04-24 Richard Guenther <rguenther@suse.de>
1095 PR middle-end/26869
1096 * tree-complex.c (update_parameter_components): Don't handle
1097 unused parameters which have no default def.
1099 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1100 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/27218
1103 * tree-inline.c (expand_call_inline): Strip useless type
1104 conversions for the return slot address.
1106 2006-04-24 Richard Guenther <rguenther@suse.de>
1108 * cfgloop.h (struct loops): Remove unused field array. Reorder
1109 state after num.
1110 (LOOP_PREFETCH): Remove.
1112 2006-04-24 Richard Guenther <rguenther@suse.de>
1114 PR tree-optimization/22525
1115 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1116 variable, adjust types of generated expressions.
1118 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1120 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1121 (tree-vect-patterns.o): Likewise.
1122 (jump.o): Likewise.
1123 (cselib.o): Likewise.
1124 (loop-doloop.o): Likewise.
1125 (regclass.o): Likewise.
1126 (reload1.o): Likewise.
1127 (explow.o): Replace target.h with $(TARGET_H).
1128 (ipa-prop.o): Likewise.
1129 (ipa-cp.o): Likewise.
1130 (ipa-inline.o): Likewise.
1131 (reorg.o): Likewise.
1132 (reg-stack.o): Likewise.
1134 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1136 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1138 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1140 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1142 * configure.ac: Completely disregard languages that are not
1143 enabled.
1144 * configure: Regenerated.
1146 PR c++/26534
1147 * c-common.h (c_build_bitfield_integer_type): Declare.
1148 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1149 * c-common.c (c_build_bitfield_integer_type): ... here.
1151 2006-04-23 Roger Sayle <roger@eyesopen.com>
1153 PR target/21283
1154 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1155 a SImode SUBREG of a floating point register after no_new_pseudos.
1157 2006-04-23 Roger Sayle <roger@eyesopen.com>
1159 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1160 identify potentially eliminable registers to additionally catch
1161 VIRTUAL_INCOMING_ARGS_REGNUM.
1162 (addsi3): Update the conditions on when to use addsi_small_int.
1164 2006-04-23 Roger Sayle <roger@eyesopen.com>
1166 PR target/16641
1167 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1168 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1169 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1171 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1173 * fold-const.c (range_predecessor): Use operand_equal_p
1174 as the predicate for equality.
1175 (range_successor): Likewise.
1177 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1179 Revert:
1180 * config/soft-fp/op-common.h: Fix a typo.
1182 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1184 PR libmudflap/26864
1185 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1186 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1188 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1190 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1191 Fix comment typos.
1192 * doc/tm.texi: Fix a typo.
1194 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1196 * dwarf2out.c (struct die_struct): Document that die_sib makes
1197 a circular linked list.
1198 (FOR_EACH_CHILD): New.
1199 (reverse_die_lists): Delete.
1200 (reverse_all_dies): Delete.
1201 (add_dwarf_attr): Correct documentation.
1202 (remove_child_with_prev): New.
1203 (remove_child_TAG): Update for change to die_struct, use
1204 remove_child_with_prev.
1205 (add_child_die): Update for change to die_struct.
1206 (splice_child_die): Use remove_child_with_prev and add_child_die.
1207 (print_die): Use FOR_EACH_CHILD.
1208 (die_checksum): Likewise.
1209 (assign_symbol_names): Likewise.
1210 (output_location_lists): Likewise.
1211 (build_abbrev_table): Likewise.
1212 (calc_die_sizes): Likewise.
1213 (mark_dies): Likewise.
1214 (unmark_dies): Likewise.
1215 (unmark_all_dies): Likewise.
1216 (output_die): Likewise.
1217 (prune_unused_types_mark): Likewise.
1218 (prune_unused_types_walk): Likewise.
1219 (same_die_p): Update for change to die_struct.
1220 (break_out_includes): Likewise.
1221 (prune_unused_types_prune): Likewise.
1222 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1223 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1224 it's already clear.
1225 (dwarf2out_finish): Don't call reverse_all_dies.
1227 2006-04-21 Eric Christopher <echristo@apple.com>
1229 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1230 in comments and function names.
1232 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1234 PR c/25875
1235 * c-typeck.c (digest_init): Robustify.
1237 * c-typeck.c (pop_init_level): Simplify.
1239 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1241 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1243 2006-04-21 Paul Brook <paul@codesourcery.com>
1245 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1246 hardware floating point.
1248 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1250 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1251 NON_FLOAT_REGS.
1253 2006-04-21 Nick Clifton <nickc@redhat.com>
1255 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1256 OPT_EXTRA_PARTS.
1258 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1260 PR target/27230
1261 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1262 C++ lang type in traceback table for Objective-C++.
1264 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1266 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1268 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1270 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1272 PR mudflap/26789
1273 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1274 were errors. Remove check for erroneous objects.
1276 2006-04-20 Jeff Law <law@redhat.com>
1278 PR tree-optimization/26854
1279 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1280 checking for zero or one use.
1281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1282 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1283 * tree-ssa-reassoc.c (negate_value): Similarly.
1284 (reassociate_bb): Similarly.
1286 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1288 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1289 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1290 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1292 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1294 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1295 fp regs if the last fp arg doesn't fit in regs.
1297 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1299 PR target/27182
1300 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1301 that the last insn has the REG_INC note.
1303 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1304 Nathan Sidwell <nathan@codesourcery.com>
1306 PR c/26774
1307 * stor-layout.c (update_alignment_for_field): Do not align
1308 ERROR_MARK nodes.
1309 (place_union_field): Place union field at the start of the union.
1310 (place_field): Move ERROR_MARK check later, and use the current
1311 allocation position to maintain monotonicity.
1313 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1315 * dominance.c: Include timevar.h.
1316 (calculate_dominance_info): Use TV_DOMINANCE.
1317 * timevar.def (TV_DOMINANCE): New timevar.
1318 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1320 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1322 PR rtl-optimization/14261
1323 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1324 move would be an INSV insn.
1325 (noce_process_if_block): Don't optimize if the destination is a
1326 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1328 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1330 * config/s390/s390.md: Add comments with the instructions emitted
1331 by an insn pattern if macros are used.
1333 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1335 PR rtl-optimization/26026
1336 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1337 is a known power of two shifted left a variable amount.
1339 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1341 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1342 to hash table twice when the debug_str section has SECTION_MERGE.
1344 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1346 * config/soft-fp: New directory. From glibc.
1347 * config/soft-fp/t-softfp: New.
1348 * config/soft-fp/README: New.
1349 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1350 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1351 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1352 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1353 * config.gcc: Use rs6000/t-fprules-fpbit or
1354 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1355 rs6000/t-fprules.
1356 * config/rs6000/sfp-machine.h: New. Based on glibc.
1357 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1358 New.
1359 * config/rs6000/t-fprules: Remove fp-bit rules.
1360 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1361 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1362 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1363 (softfp_wrap_start, softfp_wrap_end): New.
1365 2006-04-18 DJ Delorie <dj@redhat.com>
1367 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1369 2006-04-18 Devang Patel <dpatel@apple.com>
1371 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1373 2006-04-18 Nick Clifton <nickc@redhat.com>
1375 * config/sh/t-symbian: Add rule to build sh-c.o
1376 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1377 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1378 (sh_symbian_encode_section_info): Likewise.
1380 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1382 * builtins.c (expand_builtin_strcmp): Cover label definition of
1383 do_libcall with HAVE_cmpstrnsi.
1385 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1387 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1388 instead of VARRAY.
1389 * function.h (temp_slot_p): New.
1390 (function): Change the type of x_used_temp_slots to
1391 VEC(temp_slot_p,gc) *.
1393 2006-04-18 Nick Clifton <nickc@redhat.com>
1395 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1396 flag_strength_reduce.
1398 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1400 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1402 PR target/27117
1404 Partial revert of revision 112637
1405 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1406 Dale Johannesen <dalej@apple.com>
1408 PR target/19653
1409 * regclass.c (struct reg_pref): Update documentation.
1410 (regclass): Set prefclass to NO_REGS if memory is the best option.
1411 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1413 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1415 PR tree-optimization/26821
1416 * tree-ssa-math-opts.c (get_constant_one): New.
1417 (insert_reciprocals): Use it.
1419 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1421 * dwarf2out.c (free_AT): Delete.
1422 (remove_AT): Update string ref counts.
1423 (remove_child_TAG): Don't call free_die.
1424 (free_die): Delete.
1425 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1426 or DW_TAG_GNU_EINCL.
1427 (prune_unused_types_walk_attribs): Reset string refcounts.
1428 (prune_unused_types_update_strings): New.
1429 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1430 call free_die. Do call prune_unused_types_update_strings.
1431 (prune_unused_types): Empty debug_str_hash.
1433 2006-04-17 Roger Sayle <roger@eyesopen.com>
1435 * expr.c (expand_assignment): Optimize away no-op moves where the
1436 source and destination are equal and have no side-effects.
1438 2006-04-17 Richard Guenther <rguenther@suse.de>
1440 PR target/26826
1441 * reload.c (push_reload): Guard calls to get_secondary_mem
1442 for memory subregs.
1444 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1446 * alias.c (reg_base_value, old_reg_base_value): Change the
1447 type to VEC(rtx,gc) *.
1448 (REG_BASE_VALUE, find_base_value, record_set,
1449 init_alias_analysis): Use VEC instead of VARRAY.
1451 * alias.c (alias_sets): Change the type to
1452 VEC(alias_set_entry,gc) *.
1453 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1454 VEC instead of VARRAY.
1455 (last_alias_set): Remove.
1457 * cgraph.h (cgraph_edge_p): New.
1458 Update the prototype of cgraph_function_versioning.
1459 * cgraphunit.c (cgraph_copy_node_for_versioning,
1460 cgraph_function_versioning): Use VEC instead of VARRAY.
1461 * ipa-cp.c (ipcp_insert_stage): Likewise.
1463 2006-04-16 Roger Sayle <roger@eyesopen.com>
1465 PR target/26961
1466 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1467 "A op B" or "A op C", we may need to convert A to the type of B and C.
1469 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1471 * target.h (struct gcc_target): Add mode_rep_extended.
1472 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1473 (init_num_sign_bit_copies_in_rep): Initialize it using
1474 mode_rep_extended.
1475 (truncate_to_mode): Use it.
1476 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1477 * targhooks.h (default_mode_rep_extended): Declare it.
1478 * targhooks.c (default_mode_rep_extended): Define it.
1479 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1480 default_mode_rep_extended.
1481 (TARGET_INITIALIZER): Include it.
1482 * doc/tm.texi (Misc): Document it.
1483 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1484 (mips_truncated_to_mode): New function.
1486 2006-04-16 Roger Sayle <roger@eyesopen.com>
1488 PR middle-end/25474
1489 * expr.c (compress_float_constant): Copy the narrow constant into
1490 a new pseudo before extending it to its final width.
1492 2006-04-16 Roger Sayle <roger@eyesopen.com>
1493 Andrew Pinski <pinskia@gcc.gnu.org>
1494 Dale Johannesen <dalej@apple.com>
1496 PR target/24076
1497 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1498 special case code to implement V8HImode and V16QImode with SSE2.
1500 2006-04-15 Roger Sayle <roger@eyesopen.com>
1502 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1503 trees are constructed with a suitable tree type.
1505 2006-04-15 Roger Sayle <roger@eyesopen.com>
1507 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1508 (integer_onep): Likewise.
1509 (integer_all_onesp): Likewise.
1510 (integer_pow2p): Likewise.
1511 (integer_nonzerop): Likewise.
1512 (real_zerop): Likewise.
1513 (real_onep): Likewise.
1514 (real_twop): Likewise.
1515 (real_minus_onep): Likewise.
1516 (int_size_in_bytes): Likewise.
1517 (host_integerp): Likewise.
1519 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1521 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1522 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1523 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1525 * tree-ssa-structalias.h (alias_info): Remove num_references.
1527 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1529 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1530 (output_bvb patterns): Likewise.
1531 * pa.c (output_bb): Use 'bb' insn for long branch case.
1532 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1533 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1534 1. Correct length operand for alternatives 1 and 2.
1535 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1536 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1538 2006-04-14 Roger Sayle <roger@eyesopen.com>
1540 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1541 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1542 were accidentally reverted by r112959.
1544 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1546 PR middle-end/26823
1547 * except.h (eh_region_outermost): New prototype.
1548 * except.c (eh_region_outermost): New function.
1549 * tree-cfg.c (find_outermost_region_in_block): Use it.
1551 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1553 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1554 of VARRAY.
1555 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1556 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1557 (init_reload, reload): Use VEC instead of VARRAY.
1558 * reload.h: Update the prototype for
1559 reg_equiv_memory_loc_varray.
1561 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1562 Eric Botcazou <ebotcazou@libertysurf.fr>
1564 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1565 register save area.
1567 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1569 PR middle-end/27134
1570 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1571 to expand fallback builtin function call.
1573 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1575 PR middle-end/27095
1576 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1577 and emit libcall here in case the builtin fails.
1578 (expand_builtin_strcmp): Always emit the libcall here on failure.
1580 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1582 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1583 * flow.c (reg_n_info): Change the type to
1584 VEC(reg_info_p,heap) *.
1585 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1586 instead of VARRAY.
1587 * regs.h (reg_info_p): New.
1588 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1589 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1590 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1591 instead of VARRAY.
1593 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1595 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1596 defaulting to 100.
1597 * params.h (MAX_SCHED_READY_INSNS): New macro.
1598 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1599 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1600 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1601 the ready list for 1 cycle during the first scheduling pass.
1602 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1604 2006-04-13 Richard Henderson <rth@redhat.com>
1606 PR libgomp/26651
1607 * gimple-low.c (lower_omp_directive): Remove dead code.
1608 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1609 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1610 * omp-low.c (struct omp_region): Move to tree-flow.h.
1611 (root_omp_region): Export.
1612 (omp_regions, lookup_omp_region): Remove.
1613 (determine_parallel_type): Update for struct omp_region changes.
1614 (dump_omp_region): Dump regions with block numbers.
1615 (new_omp_region): Take type and block instead of stmt; malloc
1616 instead of ggc.
1617 (free_omp_region_1, free_omp_regions): New.
1618 (expand_parallel_call): Take entry_stmt as argument; update for
1619 changes to omp_region.
1620 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1621 (remove_exit_barriers): New.
1622 (expand_omp_parallel): Update for struct omp_region changes.
1623 (expand_omp_synch): Likewise.
1624 (expand_omp): Likewise.
1625 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1626 (expand_omp_for_static_chunk): Likewise.
1627 (expand_omp_for): Likewise.
1628 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1629 (expand_omp_sections): Similarly, with GOMP_sections_end.
1630 (expand_omp_single): New.
1631 (build_omp_regions_1): Update for OMP_CONTINUE.
1632 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1633 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1634 OMP_SECTIONS_SECTIONS.
1635 (lower_omp_single_simple): Don't emit barrier here.
1636 (lower_omp_single_copy): Likewise.
1637 (lower_omp_single): Fix bindings, and lower to straightline now.
1638 (lower_omp_master, lower_omp_ordered): Likewise.
1639 (lower_omp_critical): Likewise.
1640 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1641 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1642 omp edges, free it afterward.
1643 (make_omp_sections_edges): Remove.
1644 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1645 (move_stmt_r): Handle OMP_CONTINUE.
1646 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1647 statement pointers to basic blocks. Add type member.
1648 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1649 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1650 * tree-inline.c (estimate_num_insns_1): Likewise.
1651 * tree-pretty-print.c (dump_generic_node): Likewise.
1652 * tree-ssa-operands.c (get_expr_operands): Likewise.
1653 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1654 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1655 (OMP_CONTINUE): New.
1656 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1657 (OMP_SECTIONS_SECTIONS): Remove.
1658 (OMP_SECTION_LAST): New.
1659 (OMP_RETURN_NOWAIT): New.
1661 2006-04-13 Roger Sayle <roger@eyesopen.com>
1663 * fold-const.c (native_encode_vector, native_interpret_real):
1664 Correct obvious mistakes in the previous check-in.
1666 2006-04-13 Roger Sayle <roger@eyesopen.com>
1668 * fold-const.c (native_encode_expr): New function to encode
1669 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1670 or VECTOR_CST into a specified buffer.
1671 (native_encode_int): New function.
1672 (native_encode_real): New function.
1673 (native_encode_complex): New function.
1674 (native_encode_vector): New function.
1675 (native_interpret_expr): Inverse of native_encode_expr to convert
1676 a target representation into an INTEGER_CST, REAL_CST etc...
1677 (native_interpret_int): New function.
1678 (native_interpret_real): New function.
1679 (native_interpret_complex): New function.
1680 (native_interpret_vector): New function.
1681 (fold_view_convert_expr): New function to constant fold/evaluate
1682 a VIEW_CONVERT_EXPR of a suitable constant expression.
1683 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1684 Change call of build1 to fold_build1 when constructing a
1685 VIEW_CONVERT_EXPR.
1687 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1688 Ulrich Weigand <uweigand@de.ibm.com>
1690 PR target/27006
1691 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1692 to be even.
1694 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1696 PR target/26459
1697 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1698 optimize to lo_sum for DFmode if !TARGET_FPRS.
1700 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1702 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1703 delete_alias_info, compute_flow_sensitive_aliasing,
1704 group_aliases): Use VEC instead of VARRAY.
1705 * tree-ssa-structalias.c (update_alias_info): Likewise.
1706 * tree-ssa-structalias.h (alias_info): Change the type of
1707 processed_ptrs to VEC(tree,heap) *.
1709 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1711 PR target/27060
1712 * config/sh/lib1funcs.h: New file, broken out of:
1713 * config/sh/lib1funcs.asm.
1714 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1715 New macros.
1716 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1717 * config/sh/lib1funcs-Os-4-200.asm: New file.
1718 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1719 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1720 (EXTRA_MULTILIB_PARTS): Include it.
1721 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1722 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1723 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1724 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1725 TARGET_SH2.
1727 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1729 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1730 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1731 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1732 VARRAY.
1733 * tree-ssa-live.h: Include vecprim.h.
1734 (tree_partition_associator_d): Change the type of
1735 first_partition to VEC(int,heap) *.
1736 (tpa_first_partition): Use VEC instead of VARRAY.
1738 * Makefile.in (GTFILES): Move functions.h after tree.h.
1739 * function.c (reset_block_changes, record_block_change,
1740 check_block_change, free_block_changes): Use VEC instead of
1741 VARRAY.
1742 * function.h (function): Change the type of
1743 ib_boundaries_block to VEC(tree,gc) *.
1744 * tree-inline.c (copy_cfg_body): Initialize
1745 ib_boundaries_block to NULL instead of (varray_type) 0.
1747 2006-04-12 Roger Sayle <roger@eyesopen.com>
1749 * expr.c (emit_group_store): Correct operand order in call to
1750 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1751 a SUBREG_BYTE of zero.
1753 2006-04-12 Richard Guenther <rguenther@suse.de>
1755 * profile.c (compute_branch_probabilities): Remove code
1756 encapsulated in !ir_type (), which are remanents of the
1757 removed RTL profiling code.
1758 * rtl-profile.c: Remove.
1760 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1762 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1763 magic NULL_RTX comment.
1764 (function_arg): Store entire fp arg to mem if any part should go
1765 on stack.
1766 (rs6000_arg_partial_bytes): Adjust for above change.
1768 2006-04-11 Roger Sayle <roger@eyesopen.com>
1770 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1771 if it hasn't been initialized by dwarf2out_init.
1773 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1775 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1776 symbolic constants in branch patterns.
1778 2006-04-11 Roger Sayle <roger@eyesopen.com>
1780 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1782 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1784 PR rtl-optimization/27073
1785 * gcse.c (try_replace_reg): Revert last change. Continue to search
1786 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1787 on the former.
1789 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1791 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1792 aggregate types other than record and union types.
1793 (function_arg): Likewise.
1794 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1795 small arrays.
1796 (function_value): In 64-bit mode, return objects that require it
1797 in FP registers.
1799 2006-04-11 Roger Sayle <roger@eyesopen.com>
1801 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1803 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1805 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1807 2006-04-03 Jeff Law <law@redhat.com>
1809 PR/27087
1810 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1811 alias information too.
1813 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1815 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1817 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1819 PR/21391
1820 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1821 (premark_used_types_helper): New.
1822 (premark_used_types): New.
1823 (gen_subprogram_die): Call premark_used_types.
1824 (prune_unused_types_walk): Do not prune perennial dies.
1825 * function.c (used_types_insert): New.
1826 * function.h (struct function): Add used_types_hash field.
1827 (used_types_insert): Add prototype.
1828 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1829 * c-parser.c (c_parser_cast_expression): Save casted types in used
1830 types hash table.
1832 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1834 PR target/26459
1835 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1836 rs6000_explicit_options.float_gprs.
1838 2006-04-10 Roger Sayle <roger@eyesopen.com>
1840 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1841 from ix86_expand_vector_init_low_nonzero. Take an additional
1842 one_var argument indicating which element is non-zero. Support
1843 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1844 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1845 with one_var instead of ix86_expand_vector_init_low_nonzero.
1847 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1849 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1850 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1851 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1852 build/genextract.o): Depend on vecprim.h.
1853 * cfglayout.c, df-problems.c, function.c, genextract.c,
1854 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1855 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1856 vecprim.h.
1857 * vecprim.h: New.
1859 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1861 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1862 Declare VECs of this type.
1863 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1864 (remove_children): Delete.
1865 (add_dwarf_attr): Use VEC routines.
1866 (add_AT_flag): Update for changes to add_dwarf_attr.
1867 (add_AT_int): Likewise.
1868 (add_AT_unsigned): Likewise.
1869 (add_AT_long_long): Likewise.
1870 (add_AT_vec): Likewise.
1871 (add_AT_string): Likewise.
1872 (add_AT_die_ref): Likewise.
1873 (add_AT_fde_ref): Likewise.
1874 (add_AT_loc): Likewise.
1875 (add_AT_loc_list): Likewise.
1876 (add_AT_addr): Likewise.
1877 (add_AT_lbl_id): Likewise.
1878 (add_AT_lineptr): Likewise.
1879 (add_AT_macptr): Likewise.
1880 (add_AT_offset): Likewise.
1881 (add_AT_range_list): Likewise.
1882 (get_AT): Use VEC_iterate.
1883 (remove_AT): Use VEC_ordered_remove.
1884 (free_die): Fold remove_children into here; have it use VEC_iterate.
1885 (print_die): Use VEC_iterate on attrs.
1886 (reverse_die_lists): Don't reverse attr lists.
1887 (die_checksum): Use VEC_iterate on attrs.
1888 (same_die_p): Likewise.
1889 (output_location_lists): Likewise.
1890 (build_abbrev_table): Likewise.
1891 (size_of_die): Likewise.
1892 (unmark_all_dies): Likewise.
1893 (output_abbrev_section): Likewise.
1894 (output_die): Likewise.
1895 (prune_unused_types_walk_attribs): Likewise.
1897 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1899 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1901 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1903 PR debug/27057
1904 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1906 2006-04-09 Roger Sayle <roger@eyesopen.com>
1908 * expr.c (store_constructor): Don't bother clearing target if
1909 we're about to assign a vector to it using vec_init_optab.
1911 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1913 * tree-ssa-alias.c (lhs_may_store_to): New function.
1914 (recalculate_used_alone): Handle LHS of calls.
1916 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1918 PR target/27034
1919 PR target/26508
1920 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1921 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1922 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1923 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1924 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1925 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1926 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1927 stubs. Add ".align 8" directives before all ".dword" directives.
1928 (GTHREAD_USE_WEAK): Revise comment.
1929 (TARGET_ATTRIBUTE_WEAK): Define.
1930 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1931 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1932 * stublib.c: New file.
1934 PR target/26743
1935 PR target/11254
1936 PR target/10274
1937 * pa.md (cbranch patterns): Revise arguments used in calls to
1938 output_cbranch, output_bb and output_bvd. Add long branch length
1939 attributes.
1940 (fbranch patterns): Handle long branches.
1941 (jump): Revise length check. Revise arguments for output_lbranch call.
1942 Add long branch length attributes.
1943 (decrement_and_branch_until_zero): Add long branch length attributes.
1944 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1945 Likewise. Revise arguments for output_parallel_addb and
1946 output_parallel_movb calls.
1947 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1948 output_parallel_movb and output_parallel_addb): Update prototypes.
1949 * pa.c (output_cbranch): Revise arguments. Correct handling of
1950 nullification in long branches.
1951 (output_lbranch): Add new argument to control extraction of delay
1952 instruction.
1953 (output_bb): Handle long branches.
1954 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1955 output_parallel_addb): Likewise.
1957 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1959 PR rtl-optimization/27073
1960 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1961 not REG_EQUIVs.
1963 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1965 * tree.h (tree_memory_tag): Add old_used_alone.
1966 (SMT_OLD_USED_ALONE): New macro.
1967 * tree-ssa-alias.c (recalculate_used_alone): Stop
1968 marking things for renaming unnecessarily.
1970 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1972 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1973 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1974 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1975 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1976 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1977 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1978 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1979 spelling convensions.
1980 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1981 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1982 typos. Follow spelling conventions.
1984 2006-04-07 DJ Delorie <dj@redhat.com>
1986 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1987 passed on the stack.
1988 (m32c_init_cumulative_args): When a function returns a structure,
1989 always pass the pointer to that return area on the stack.
1990 (m32c_function_arg_advance): Don't increment the parameter number
1991 if we're processing the returned structure pointer.
1992 (pushm_info): Reverse order of registers.
1994 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1996 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1997 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1998 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1999 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2000 build_int_cst_type.
2001 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2002 chrec_fold_multiply): Same.
2003 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2004 force_expr_to_var_cost): Same.
2005 * tree-mudflap.c (mf_xform_derefs_1): Same.
2006 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2008 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2010 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2011 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2012 insn.
2014 2006-04-07 Jan Hubicka <jh@suse.cz>
2016 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2018 2006-04-07 Richard Guenther <rguenther@suse.de>
2020 PR tree-optimization/26135
2021 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2022 loads for store copy-prop.
2023 (copy_prop_visit_stmt): Likewise.
2025 2006-04-05 Robert Millan <robertmh@gnu.org>
2027 * gcc/config/i386/linux.h: Add a comment to mark macros that are
2028 being overriden in config/k*bsd-gnu.h.
2029 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2030 DYNAMIC_LINKER.
2031 * gcc/config/knetbsd-gnu.h: Ditto.
2033 2006-04-06 Jan Hubicka <jh@suse.cz>
2035 PR profile/20815
2036 PR profile/26399
2037 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2038 after buffer.
2040 2006-04-06 Mike Stump <mrs@apple.com>
2042 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2043 for HAVE_nonlocal_goto to be consistent.
2044 (expand_builtin_nonlocal_goto): Likewise.
2045 (expand_builtin_strcmp): Use #ifdef instead of #if
2046 for HAVE_cmpstrnsi to be consistent.
2048 2006-04-05 DJ Delorie <dj@redhat.com>
2050 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2051 vs m32c.
2053 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2055 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2056 got-relative addressing for anything but SImode.
2058 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2059 even if the calling function doesn't modify them.
2061 2006-04-05 Richard Guenther <rguenther@suse.de>
2063 PR tree-optimization/26919
2064 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2065 to cgraph_estimate_size_after_inlining.
2067 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2069 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2071 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2073 PR tree-optimization/26996
2074 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2075 VECTOR_TYPE variables.
2077 2006-04-05 Richard Guenther <rguenther@suse.de>
2079 PR tree-optimization/26763
2080 * fold-const.c (fold_comparison): Move folding of
2081 PTR + CST CMP PTR + CST ...
2082 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2084 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2086 * doc/install.texi (Prerequisites): Refine some wording on
2087 bootstrapping and ksh.
2088 Move the version numbers of DejaGnu here from the testing section
2089 and fix casing of names.
2090 Fix markup and clarify wording for autogen requirements.
2091 Refer to GCJ instead of just java.
2092 Refer to SVN instead of CVS.
2093 Describe diffutils as useful instead of necessary.
2094 (Downloading the source): Refer to SVN instead of CVS.
2095 Adjust a link to our web site accordingly.
2096 (Configuration): Fix casing of Bison.
2097 (Building): Refer to SVN instead of CVS.
2098 Fix a sentence on the use of Bison and remove duplicate (and
2099 incorrect) version number of Bison requirement.
2100 Remove one redundant list of packages needed for building.
2101 (Specific): Avoid reference to CVS.
2103 2006-04-04 Eric Christopher <echristo@apple.com>
2105 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2106 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2107 (rs6000_handle_struct_attribute): New.
2108 (rs6000_ms_bitfield_layout_p): Ditto.
2110 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2112 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2113 NULL for dso parameter to atexit_common.
2115 2006-04-04 Eric Christopher <echristo@apple.com>
2117 * config/i386/i386.c (machopic_output_stub): Output \t
2118 between instructions and operands.
2120 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2122 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2123 satisfies_constraint_[IL] to explicit tests on value.
2125 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2127 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2128 set_nb_iterations_in_loop): Use build_int_cst instead of
2129 build_int_cst_type.
2130 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2131 build_int_cst instead of convert.
2133 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2135 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2136 new value 2 for incoming.
2137 * function.c (expand_function_start): Call struct_value_rtx
2138 with incoming as 2.
2139 * config/sparc/sparc.md: Comment updated_return.
2140 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2141 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2142 struct return if sparc_std_struct_return and incoming is 2.
2143 (print_operand): Do not adjust return if
2144 sparc_std_struct_return.
2146 2006-04-04 Roger Sayle <roger@eyesopen.com>
2148 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2149 convert in the middle-end.
2150 * expr.c (store_expr, store_constructor, get_inner_reference,
2151 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2152 Likewise.
2153 * tree.c (build_range_type): Likewise.
2155 2006-04-04 Tom Tromey <tromey@redhat.com>
2157 * doc/install.texi (Prerequisites): Mention jar.
2159 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2161 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2162 subsection.
2164 2006-04-04 Matthias Klose <doko@debian.org>
2166 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2167 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2168 strings.
2170 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2172 * doc/extend.texi (Function Attributes): Rewrite visibility
2173 attribute documentation.
2174 * doc/invoke.texi (C++ Dialect Options): Rewrite
2175 -fvisibility-inlines-hidden documentation to describe something
2176 entirely different, although in practise compatible.
2177 (Code Gen Options): Warn about system headers in -fvisibiltity=
2178 documentation.
2180 * doc/extend.texi (Other Builtins): Document that
2181 __builtin_nan is a compile-time constant only when its argument
2182 is valid.
2184 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2186 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2187 trying to remove TRUNCATE check if all bits outside the new mode
2188 are identical to the sign bit.
2190 2006-04-03 Jeff Law <law@redhat.com>
2192 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2193 and operand scanning in some common cases.
2195 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2196 Dale Johannesen <dalej@apple.com>
2198 PR target/19653
2199 * regclass.c (struct reg_pref): Update documentation.
2200 (regclass): Set prefclass to NO_REGS if memory is the best option.
2201 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2202 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2203 into account. For non-registers, equate an empty preferred
2204 reload class to a `!' in the constraint; move the if clause to
2205 do so after those that reject the insn.
2206 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2207 return NO_REGS.
2208 (find_dummy_reload): Likewise.
2209 * doc/tm.texi (Register Classes): Document what it means
2210 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2211 * config/i386/i386.c (ix86_preferred_reload_class): Force
2212 using SSE registers (and return NO_REGS for floating-point
2213 constants) if math is done with SSE.
2214 (ix86_preferred_output_reload_class): New.
2215 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2216 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2217 * config/i386/i386.md: Remove # register preferences.
2219 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2221 PR bootstrap/26992
2222 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2223 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2224 the type of nb_iter.
2225 (instantiate_parameters_1): Convert the operands before calling
2226 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2227 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2229 2006-04-02 Roger Sayle <roger@eyesopen.com>
2231 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2232 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2233 instead of convert.
2234 * dojump.c (do_jump): Likewise.
2235 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2236 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2237 gimplify_boolean_expr): Likewise.
2238 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2239 * varasm.c (array_size_for_constructor): Likewise.
2240 * tree-object-size.c (compute_object_offset): Likewise.
2242 2006-04-02 Roger Sayle <roger@eyesopen.com>
2244 PR middle-end/26977
2245 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2246 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2248 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2250 PR tree-optimization/26939
2251 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2253 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2255 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2256 at_stmt. Convert the type of operands before calling
2257 build_polynomial_chrec.
2258 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2259 add_to_evolution_1.
2260 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2261 (instantiate_parameters_1): Convert the type of operands before calling
2262 build_polynomial_chrec.
2263 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2264 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2265 reset_evolution_in_loop): Insert asserts to check the types of the
2266 operands.
2267 (chrec_type): Moved...
2268 (eq_evolutions_p): Use operand_equal_p.
2269 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2270 the types of the operands.
2271 (chrec_type): ...here.
2272 * tree-data-ref.c (create_data_ref): Convert the operands before
2273 calling chrec_replace_initial_condition.
2274 (same_access_functions, analyze_subscript_affine_affine,
2275 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2276 (compute_subscript_distance, analyze_ziv_subscript,
2277 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2278 analyze_miv_subscript): Convert the operands before calling
2279 chrec_fold_minus or chrec_fold_plus.
2281 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2283 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2284 the dependence_relations vector.
2285 (compute_data_dependences_for_loop): Adjust call to
2286 compute_all_dependences.
2288 2006-04-01 Roger Sayle <roger@eyesopen.com>
2289 Richard Henderson <rth@redhat.com>
2291 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2292 gimple_boolify on the condition before calling gimplify_expr.
2294 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2296 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2297 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2298 the frame size. Update to use the new macros.
2299 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2300 * config/xtensa/ieee754-df.S: Likewise.
2302 2006-03-31 Richard Henderson <rth@redhat.com>
2304 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2305 (make_edges): ... here. Control fallthru creation with a local
2306 variable. Do not play with fake edges.
2307 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2308 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2309 a boolean.
2311 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2313 * dwarf2.h (DW64_CIE_ID): Define.
2314 * dwarf2out.c (DWARF_CIE_ID): Define.
2315 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2316 length header. Use DWARF_CIE_ID.
2317 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2318 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2320 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2322 * config/sh/linux-atomic.asm: New file.
2323 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2325 2006-03-31 DJ Delorie <dj@redhat.com>
2327 * config/m32c/cond.md: Set condition flags properly throughout.
2328 * config/m32c/minmax.md: Likewise.
2329 * config/m32c/prologue.md: Likewise.
2330 * config/m32c/bitops.md: Likewise.
2331 * config/m32c/muldiv.md: Likewise.
2332 * config/m32c/mov.md: Likewise.
2333 * config/m32c/addsub.md: Likewise.
2334 * config/m32c/m32c.md: Likewise.
2335 * config/m32c/jump.md: Likewise.
2336 * config/m32c/shift.md: Likewise.
2338 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2339 conditionally output the pattern for this.
2340 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2341 (m32c_compare_redundant): New.
2342 (m32c_output_compare): New.
2343 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2345 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2346 dest, not src. Allow other 4-byte modes.
2348 2006-03-30 Denis Chertykov <denisc@overta.ru>
2350 * doc/md.texi: Refer to avr/constraints.md instead of
2351 avr/avr.h.
2353 2006-03-30 Roger Sayle <roger@eyesopen.com>
2355 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2356 signed vs. unsigned comparison failures on some hosts.
2358 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2360 PR target/26459
2361 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2362 change to FLOAT_REGS.
2364 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2365 (rs6000_override_options): Use it.
2366 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2367 only for -mabi=spe/no-spe and -mabi=altivec.
2369 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2371 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2372 !Zdynamiclib.
2374 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2376 * Makefile.in: Rename docdir to gcc_docdir.
2378 2006-03-30 Roger Sayle <roger@eyesopen.com>
2380 PR target/17959
2381 * expr.c (emit_group_store): Optimize group stores into a pseudo
2382 register by using a paradoxical subreg to initialize the destination
2383 if the first or last member of the group specifies a "low part".
2385 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2387 PR target/26734
2388 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2389 * target.h (struct gcc_target.speculate_insn): Change type of the
2390 second parameter to 'int'.
2391 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2392 the second operand of the DEPS_LIST.
2393 (copy_DEPS_LIST_list): Update reference to the second operand of the
2394 DEPS_LIST.
2395 * rtl.h (alloc_DEPS_LIST): Update signature.
2396 * sched-int.h (ds_t): Change typedef to 'int'.
2397 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2399 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2401 * haifa-sched.c (try_ready): Change condition to restore
2402 non-speculative pattern of the instruction.
2403 (process_insn_depend_be_in_spec): Code to keep probability of the
2404 speculative dependence non-decreasing.
2406 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2408 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2409 (single_move_for_movmem): ... this. Also change all uses.
2410 (bfin_expand_strmov): Renamed to...
2411 (bfin_expand_movmem): ... this. Also change all uses.
2412 * config/bfin/bfin.md (movstrsi): Renamed to...
2413 (movstrsi): ...this.
2415 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2417 PR tree-optimization/26830
2419 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2420 (copy_prop_visit_stmt): Remove write-only variable ann.
2421 (init_copy_prop): Check variable loop depth here. Do not simulate
2422 memory-tag and virtual operand PHIs except for store copy prop.
2424 2006-03-30 Richard Guenther <rguenther@suse.de>
2426 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2427 variants with double arguments.
2429 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2431 * genpreds.c (write_tm_constrs_h): Delete variable p.
2432 * genconditions.c (write_header): Add tm-constrs.h to included
2433 headers.
2434 * genpeep.c (main): Add toplev.h to included headers.
2435 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2436 (build/genpeep.o): Add toplev.h dependency.
2437 * config/rs6000/constraints.md: Add "W" constraint.
2439 2006-03-29 Roger Sayle <roger@eyesopen.com>
2441 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2442 sizes by correctly testing whether the size fits a host integer.
2443 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2444 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2445 SImode range for the default sizetype and bitsizetype.
2447 2006-03-29 Roger Sayle <roger@eyesopen.com>
2449 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2450 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2451 quickly if the argument is already of the correct type.
2452 Call fold_build1 instead of build1. Tidy up blank lines.
2454 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2456 * genemit.c (main): Add tm-constrs.h to included headers.
2457 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2458 * genpeep.c (main): Add tm-constrs.h to included headers.
2459 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2460 (write_tm_constrs_h): this and write complete file.
2461 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2462 (write_insn_preds_c): Add tm-constrs.h to included headers.
2463 (gen_constrs): New variable.
2464 (parse_option): Parse "-c".
2465 (main): Invoke write_tm_constrs_h.
2466 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2467 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2468 (object_out_file): Add tm-constrs.h dependency.
2469 (insn-emit.o): Same.
2470 (insn-output.o): Same.
2471 (insn-peep.o): Same.
2472 (insn-preds.o): Same.
2473 (insn-recog.o): Same.
2474 (tm-constsr.h): New target.
2475 (s-constrs-h): New target.
2477 * config/rs6000/constraints.md: New file.
2478 * config/rs6000/rs6000.c: Include tm-constrs.h.
2479 (num_insn_constant_wide): Convert to satisfies_constraint.
2480 (rs6000_rtx_costs): Convert to satisfies_constraint.
2481 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2482 (CONST_OK_FOR_LETTER_P): Delete.
2483 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2484 (EXTRA_CONSTRAINT): Delete.
2485 (EXTRA_MEMORY_CONSTRAINT): Delete.
2486 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2487 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2488 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2489 satisfies_constraint.
2491 * config/i386/i386.c: Include tm-constrs.h.
2493 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2495 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2496 * tree-data-ref.c (find_data_references_in_loop,
2497 compute_data_dependences_for_loop): Use pointers to VEC.
2498 (analyze_all_data_dependences): Adjust calls.
2499 * tree-data-ref.h (find_data_references_in_loop,
2500 compute_data_dependences_for_loop): Adjust declarations.
2501 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2502 compute_data_dependences_for_loop.
2504 2006-03-29 Paul Brook <paul@codesourcery.com>
2506 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2507 (movdf_vfp): Ditto.
2509 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2511 PR tree-optimization/26859
2512 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2513 division by zero.
2514 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2515 for the step after fold_convert.
2517 2006-03-29 Paul Brook <paul@codesourcery.com>
2519 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2520 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2522 2006-03-29 Paul Brook <paul@codesourcery.com>
2524 PR middle-end/23623
2525 * targhooks.c (default_narrow_bitfield): New fuction.
2526 * targhooks.h (default_narrow_bitfield): add prototype.
2527 * target.h (gcc_target): Add narrow_volatile_bitfield.
2528 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2529 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2530 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2531 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2533 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2535 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2536 tmake_file.
2537 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2538 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2539 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2540 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2541 (s390_function_arg_float): Allow SDmode and DDmode values to be
2542 passed in floating point registers.
2543 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2544 check with SCALAR_FLOAT_MODE_P.
2545 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2547 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2549 PR tree-optimization/25985
2550 * tree-ssa-loop-niter.c (number_of_iterations_le,
2551 number_of_iterations_ne): Make comments more precise.
2552 (number_of_iterations_cond): Add only_exit argument. Use the
2553 fact that signed variables do not overflow only when only_exit
2554 is true.
2555 (loop_only_exit_p): New.
2556 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2557 number_of_iterations_cond.
2559 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2561 PR tree-optimization/26643
2562 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2563 bit_field_refs.
2565 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2567 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2568 (divsi3_i4_int): Likewise.
2570 2006-03-28 Roger Sayle <roger@eyesopen.com>
2572 * expr.c (emit_group_store): Only create a new pseudo reg if the
2573 quantity it needs to hold isn't already a suitable pseudo.
2575 2006-03-28 Jeff Law <law@redhat.com>
2577 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2578 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2580 2006-03-28 Roger Sayle <roger@eyesopen.com>
2582 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2583 the equivalent ~X & Y, and the symmetry related transformations.
2584 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2585 ~X & Y, and symmetry related transforms.
2587 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2589 Revert my 2006-03-27 patches.
2591 2006-03-28 Roger Sayle <roger@eyesopen.com>
2593 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2594 ~(T1)X, when T1 and T2 are integer types of the same precision
2595 and (T2)X isn't an extension.
2597 2006-03-28 Jeff Law <law@redhat.com>
2599 PR tree-optimization/26796
2600 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2601 need EH edge cleanups rather than purging them immediately.
2602 (eliminate_degenerate_phis): Handle queued EH cleanups.
2604 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2606 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2607 from parent_var.
2609 2006-03-27 Roger Sayle <roger@eyesopen.com>
2611 PR middle-end/22524
2612 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2613 cast BIT_NOT_EXPR operand to the correct type.
2615 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2617 * tree-loop-linear.c: Don't include varray.h.
2618 (gather_interchange_stats, try_interchange_loops,
2619 linear_transform_loops): Use VEC instead of VARRAY.
2620 * lambda-mat.c: Don't include varray.h.
2621 * tree-chrec.c: Same.
2622 * lambda-trans.c: Same.
2623 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2624 VEC instead of VARRAY.
2625 * tree-vectorizer.h: Idem.
2626 * tree-data-ref.c (dump_data_references,
2627 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2628 initialize_data_dependence_relation, finalize_ddr_dependent,
2629 compute_all_dependences, find_data_references_in_loop,
2630 compute_data_dependences_for_loop, analyze_all_data_dependences,
2631 free_dependence_relation, free_dependence_relations,
2632 free_data_refs): Idem.
2633 * tree-data-ref.h (data_reference_p, subscript_p): New.
2634 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2635 VEC instead of VARRAY.
2636 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2637 (find_data_references_in_loop, compute_data_dependences_for_loop,
2638 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2639 dump_data_dependence_relations, free_dependence_relations,
2640 free_data_refs): Adjust declaration.
2641 (lambda_transform_legal_p): Move declaration here...
2642 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2643 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2644 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2645 vect_analyze_data_refs): Use VEC instead of VARRAY.
2646 * lambda.h (lambda_transform_legal_p): ...from here.
2647 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2648 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2649 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2650 tree-chrec.o): Don't depend on VARRAY_H.
2652 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2654 * rtl.def (Copyright): Update date.
2655 (DEPS_LIST): Change type of the second operand to 'int'.
2656 * target.h (Copyright): Update date.
2657 (struct gcc_target.speculate_insn): Change type of the second parameter
2658 to 'int'.
2659 * lists.c (Copyright): Update date.
2660 (alloc_DEPS_LIST): Change signature. Update reference to the second
2661 operand of the DEPS_LIST.
2662 (copy_DEPS_LIST_list): Update reference to the second operand of the
2663 DEPS_LIST.
2664 * rtl.h (Copyright): Update date.
2665 (alloc_DEPS_LIST): Update signature.
2666 * sched-int.h (Copyright): Update date.
2667 (ds_t): Change typedef to 'int'.
2668 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2670 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2672 * haifa-sched.c (Copyright): Update date.
2673 (try_ready): Change condition to restore non-speculative pattern
2674 of the instruction.
2675 (process_insn_depend_be_in_spec): Code to keep probability of the
2676 speculative dependence non-decreasing.
2678 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2680 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2681 shut up the compiler.
2683 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2685 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2686 to use lib prefix for target.
2687 ($(T)libic_invalidate_array_4-200.a): Likewise.
2688 ($(T)libic_invalidate_array_4a.a): Likewise.
2690 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2691 J"orn Rennecke <joern.rennecke@st.com>
2693 * superh.opt: New file.
2694 * sh.c (boardtype, osruntime): Remove.
2695 * superh.h (SUBTARGET_OPTIONS): Remove.
2696 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2698 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2699 arguments with ^ and/or [].
2701 * config.gcc (sh-*-*): Add quoting to account for quirk of
2702 Solaris /bin/sh.
2703 Replace == with = in enable_incomplete_targets test.
2705 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2706 with MASK_LITTLE_ENDIAN.
2708 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2709 * config/sh/sh.opt: Added to some comments.
2710 * config/sh/superh.h: Removed some chaff.
2712 * config/sh/sh.opt: Add m4-[1234]00* options.
2713 * config/sh/sh.c (sh_handle_option): Likewise.
2714 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2715 (ic_invalidate_array_4-100.o): New rule.
2716 ($(T)libic_invalidate_array_4-100.a): Likewise.
2717 (ic_invalidate_array_4-200.o): Likewise.
2718 ($(T)libic_invalidate_array_4-200.a): Likewise.
2719 (ic_invalidate_array_4a.o): Likewise.
2720 ($(T)libic_invalidate_array_4a.a): Likewise.
2721 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2722 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2723 m4-200*, and m4a*.
2724 * config/sh/crt1.asm: Merged in profiling code.
2725 * config/sh/superh.h (STARTFILE_SPEC): Override.
2726 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2727 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2728 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2730 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2731 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2732 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2734 * sh.opt (mpretend-cmove): New option.
2735 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2736 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2737 (movsicc): Add TARGET_PRETEND_CMOVE code.
2739 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2741 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2742 s390_class_max_nregs): New function prototypes.
2743 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2744 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2745 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2746 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2748 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2750 * dwarf2out.c (add_location_or_const_value_attribute): Call
2751 tree_add_const_value_attribute if nothing else works.
2752 (reference_to_unused): New.
2753 (rtl_for_decl_init): Use reference_to_unused to decide whether
2754 to output an initializer.
2756 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2758 PR target/26459
2759 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2760 peephole removing spe frob_di_df_2.
2762 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2764 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2765 (subscript_dependence_tester_1): Declared.
2766 (print_dir_vectors, print_dist_vectors): New.
2767 (debug_data_dependence_relation): New.
2768 (dump_data_dependence_relation): Print more details.
2769 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2770 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2771 (save_dist_v, save_dir_v, add_outer_distances,
2772 build_classic_dist_vector_1): New.
2773 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2774 Don't test for lambda_vector_lexico_pos.
2775 (same_access_functions, add_multivariate_self_dist,
2776 add_other_self_distances, dir_from_dist): New.
2777 (build_classic_dir_vector): Replace implementation almost identical to
2778 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2779 dir_from_dist.
2780 (subscript_dependence_tester_1): New.
2781 (subscript_dependence_tester): Handle the lexicographically negative
2782 distance vectors by recomputing the dependence relation.
2783 (compute_affine_dependence): Remove parameter loop_nest_depth.
2784 (compute_self_dependence): Don't call compute_subscript_distance.
2785 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2786 Add a parameter for the loop_nest.
2787 (find_loop_nest_1, find_loop_nest): New.
2788 (compute_data_dependences_for_loop): Compute the loop nest, and give
2789 up if the nest is not well formed.
2790 * tree-data-ref.h (loop_p): New.
2791 (struct data_dependence_relation): Replace size_vect field with
2792 loop_nest, a vec of loops.
2793 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2794 (DDR_LOOP_NEST): New.
2795 (print_dir_vectors, print_dist_vectors,
2796 debug_data_dependence_relation): Declared.
2797 (index_in_loop_nest): New.
2798 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2799 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2800 distance.
2802 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2804 * simplify-rtx.c (simplify_relational_operation): Call
2805 simplify_relational_operation_1 even if mode is VOIDmode.
2807 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2809 PR tree-optimization/26804
2810 * tree.h (DECL_CALL_CLOBBERED): New macro.
2811 (tree_decl_common): Add call_clobbered_flag.
2812 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2813 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2814 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2815 (mark_non_addressable): Ditto.
2816 * tree-ssa.c (verify_call_clobbered): New function.
2817 (verify_alias_info): Use it.
2818 * tree-pass.h (pass_reset_cc_flags): New prototype.
2819 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2820 (reset_cc_flags): New function.
2821 * passes.c (init_optimization_passes): Call reset_cc_flags after
2822 initializing referenced_vars.
2824 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2825 Roger Sayle <roger@eyesopen.com>
2827 PR middle-end/26717
2828 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2829 to 1.0 for non-real operands. Implement A / A optimization for
2830 complex operands.
2832 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2834 * config/i386/i386.c (size_cost): Correct the comment for
2835 cost of storing fp registers.
2836 (i386_cost): Likewise.
2837 (i486_cost): Likewise.
2838 (pentium_cost): Likewise.
2839 (pentiumpro_cost): Likewise.
2840 (k6_cost): Likewise.
2841 (athlon_cost): Likewise.
2842 (k8_cost): Likewise.
2843 (pentium4_cost): Likewise.
2844 (nocona_cost): Likewise.
2845 (generic64_cost): Likewise.
2846 (generic32_cost): Likewise.
2848 2006-03-24 Denis Chertykov <denisc@overta.ru>
2850 * config/avr/avr-protos.h (extra_constraint): Delete.
2851 (extra_constraint_Q): New declaration.
2852 * config/avr/constraints.md: New file.
2853 * config/avr/avr.md: Include it.
2854 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2855 (TMP_REGNO, ZERO_REGNO): Likewise.
2856 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2857 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2858 (extra_constraint): Delete.
2859 (extra_constraint_Q): Test for memory constraint 'Q'.
2860 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2861 (REG_CLASS_FROM_LETTER): Delete.
2862 (CONST_OK_FOR_LETTER_P): Delete.
2863 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2864 (EXTRA_CONSTRAINT): Delete.
2865 (TMP_REGNO): Delete.
2866 (ZERO_REGNO): Delete.
2868 2006-03-24 Jeff Law <law@redhat.com>
2870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2871 directly. Call mark_new_vars_to_rename slightly earlier.
2873 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2875 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2876 (is_cxx): Likewise.
2877 (gen_compile_unit_die): Use new language types for Objective-C and
2878 Objective-C++.
2879 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2880 DW_LANG_C_plus_plus.
2882 PR 26793
2883 * config/t-darwin (crt3.o): Work around bug 26840.
2884 * config/darwin-crt3.c: Rewrite.
2885 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2887 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2889 * doc/invoke.texi: Document -femit-class-debug-always
2890 * common.opt: Add -femit-class-debug-always.
2892 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2894 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2895 index and base register.
2896 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2897 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2898 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2899 REGNO_OK_FOR_INDEX_P.
2900 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2901 ADDR_REGNO_P.
2902 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2903 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2904 REG_OK_FOR_BASE_P): Definitions removed.
2906 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2908 PR middle-end/26611
2909 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2910 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2911 set yet or weren't marked as local yet.
2913 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2915 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2916 the compiler.
2918 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2920 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2921 (rs6000_legitimate_small_data_p): Delete.
2922 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2923 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2924 and make static. Add forward declaration. Update uses.
2925 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2926 of offsettable_memref_p.
2927 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2928 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2930 2006-03-24 Jeff Law <law@redhat.com>
2932 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2933 around bug in immediate-use iterator.
2935 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2937 PR target/26607
2938 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2939 or __LITTLE_ENDIAN__.
2941 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2943 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2944 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2945 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2946 * config/sh/sh.opt (mdiv=): Amend description.
2947 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2948 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2949 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2950 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2951 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2952 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2953 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2954 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2955 TARGET_DIVIDE_CALL_FP.
2957 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2959 * haifa-sched.c (choose_ready): Fix type of the local variable.
2960 Move local variables. Add comment.
2961 (check_reg_live): Change signature. Make callable from debugger.
2962 * sched-int.h (check_reg_live): Update signature.
2963 * sched-ebb.c (check_reg_live): Update parameters.
2964 * sched-rgn.c (check_reg_live): Ditto.
2965 (region_head_or_leaf_p): Check pointer before dereferencing.
2966 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2967 before reload on optimization levels below 1.
2969 2006-03-23 Richard Henderson <rth@redhat.com>
2971 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2972 tls symbols.
2974 PR target/26347
2975 * config/alpha/predicates.md (local_symbolic_operand): Reject
2976 weak symbols.
2978 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2980 PR tree-opt/26795
2981 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2982 expressions which have overflowed constants.
2984 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2986 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2988 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2990 * cfgloopmanip.c (create_loop_notes): Removed.
2991 * final.c (final_scan_insn): Do not handle loop notes.
2992 * jump.c (squeeze_notes): Ditto.
2993 * cfglayout.c (skip_insns_after_block,
2994 duplicate_insn_chain): Ditto.
2995 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2996 create_loop_notes.
2997 * cfgloop.h (create_loop_notes): Declaration removed.
2999 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3001 * varasm.c (output_constant_pool): Restore fnname and fndecl
3002 arguments.
3003 (assemble_start_function): Adjust call accordingly.
3004 (assemble_end_function): Likewise.
3006 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3008 PR mudflap/26789
3009 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3011 PR mudflap/26790
3012 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3014 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3016 PR driver/22600
3017 * system.h (ICE_EXIT_CODE): New macro.
3018 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3019 (diagnostic_action_after_output): Likewise.
3020 * gcc.c (fatal_ice): New function.
3021 (execute): Use it instead of fatal.
3022 (fancy_abort): Likewise.
3023 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3025 2006-03-22 Jeff Law <law@redhat.com>
3027 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3028 iv_analyze_result returning false.
3030 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3032 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3034 2006-03-22 Richard Henderson <rth@redhat.com>
3036 PR middle-end/26084
3037 * except.c (duplicate_eh_regions_0): New.
3038 (duplicate_eh_region_1): Duplicate the children of the node as
3039 well as the node itself. Link them up properly.
3040 (duplicate_eh_region_2): Merge into ...
3041 (duplicate_eh_regions): ... here. Take copy_region argument, and
3042 copy only a sub-tree if asked. Simplify copying and fixup.
3043 (eh_region_outer_p): New.
3044 * except.h (duplicate_eh_regions): Update decl.
3045 (eh_region_outer_p): Declare.
3046 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3047 (lower_omp_master): Likewise.
3048 (lower_omp_ordered): Likewise.
3049 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3050 (move_stmt_r): Use it to remap labels. Handle recursion vs
3051 remap_decls_p properly.
3052 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3053 (find_outermost_region_in_block): New.
3054 (new_label_mapper): New.
3055 (move_sese_region_to_fn): Copy eh information to the new function
3056 properly.
3057 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3058 argument.
3059 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3060 number.
3062 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3064 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3065 into shared libraries.
3067 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3069 * doc/md.texi: Refer to i386/constraints.md instead of
3070 i386/predicates.md.
3071 * config/i386/constraints.md: New file, extracted from...
3072 * config/i386/predicates.md: ...here.
3073 * config/i386/i386.md: Include constraints.md.
3075 2006-03-21 Jason Merrill <jason@redhat.com>
3077 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3079 PR middle-end/20297
3080 * expr.c (init_block_move_fn): Force default visibility.
3081 (init_block_clear_fn): Likewise.
3082 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3083 * targhooks.c (default_external_stack_protect_fail): Likewise.
3085 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3087 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3088 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3089 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3090 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3091 (loadgp): Use mips_current_loadgp_style.
3092 (loadgp_noshared): New pattern.
3093 (sibcall_internal): Use MIPS_CALL.
3094 (sibcall_value_internal): Likewise.
3095 (sibcall_value_multiple_internal): Likewise.
3096 (call_internal): Likewise.
3097 (call_value_internal): Likewise.
3098 (call_value_multiple_internal): Likewise.
3099 (call_split): Use MIPS_CALL and add an 'S' constraint.
3100 (call_value_split): Likewise.
3101 (call_value_multiple_split): Likewise.
3102 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3103 (-mshared): New option.
3104 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3105 (mips_current_loadgp_style): Declare.
3106 * config/mips/mips.c (mips_classify_symbol): Avoid using
3107 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3108 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3109 TARGET_ABSOLUTE_ABICALLS.
3110 (override_options): Adjust comments. Improve the warning that is
3111 issued when -mabicalls and -G are used together.
3112 (mips_file_start): Remove comment.
3113 (mips_current_loadgp_style): New function.
3114 (mips_gnu_local_gp): New variable.
3115 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3116 LOADGP_ABSOLUTE.
3117 (mips_output_function_prologue): Use mips_current_laodgp_style.
3118 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3119 the cprestore instruction.
3120 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3121 live for TARGET_ABSOLUTE_ABICALLS.
3122 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3123 (ASM_SPEC): Pass down -mshared and -mno-shared.
3124 (MIPS_CALL): New macro.
3125 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3126 definition.
3127 * doc/invoke.texi (-mabicalls): Update documentation.
3128 (-mshared): Document.
3130 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3132 * config/ia64/unwind-hpux.c: New file.
3133 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3135 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3137 PR libgomp/26384
3138 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3140 2006-03-21 Jeff Law <law@redhat.com>
3142 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3143 type conversions of a VR_VARYING source to a wider type.
3145 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3147 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3148 tm_file on Solaris 10 and later.
3149 (sparc64-*-solaris2*): Likewise.
3150 (sparc-*-solaris2*): Likewise.
3151 * config/sol26.h: Rename to config/sol2-6.h.
3152 * config/sol2-10.h: New file.
3154 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3156 PR tree-opt/26781
3157 * tree-ssa-pre.c (create_component_ref_by_pieces):
3158 Handle STRING_CST.
3160 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3162 PR c++/26690
3163 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3164 return it immediately.
3166 2006-03-21 Michael Matz <matz@suse.de>
3168 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3169 New members.
3170 (remove_arc, add_arc): Update num_out_arcs member.
3171 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3172 of out arcs.
3173 (cache_presence): New function.
3174 (compare_states_for_equiv): New function.
3175 (state_is_differed): Don't take number of outargs, adjust callers.
3176 Use new invariant for speeding up.
3177 (init_equiv_class): Create initial classes based on sorted
3178 input.
3179 (partition_equiv_class): Don't track out_arcs_num.
3180 (evaluate_equiv_classes): Call cache_presence on all states and
3181 sort them.
3183 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3185 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3186 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3187 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3188 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3189 callers changed.
3190 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3191 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3192 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3193 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3194 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3195 macros.
3196 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3197 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3198 (REGNO_REG_CLASS): ARGP is in PREGS.
3199 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3200 IREGS.
3201 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3202 to deal with those addresses.
3203 * addresses.h: New file.
3204 * caller-save.c: Include "addresses.h".
3205 (init_caller_save): Use new base_reg_class function.
3206 * rtl-factoring.c: Include "addresses.h".
3207 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3208 * recog.c: Include "addresses.h".
3209 (preprocess_constraints): Use new base_reg_class function.
3210 * regrename.c: Include "addresses.h".
3211 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3212 functions. Keep track of a new var INDEX_CODE to compute valid
3213 classes.
3214 (replace_oldest_value_addr): Likewise.
3215 (replace_oldest_value_mem): Use base_reg_class.
3216 * reload.c: Include "addresses.h".
3217 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3218 (find_reloads): Use new base_reg_class function.
3219 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3220 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3221 all callers and prototype changed.
3222 * reload1.c: Include "addresses.h".
3223 (maybe_fix_stack_asms): Use base_reg_class.
3224 * regclass.c: Include "addresses.h".
3225 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3226 (init_reg_autoinc): Use new base_reg_class function.
3227 (record_reg_classes): Likewise.
3228 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3229 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3230 Use new args to compute necessary class.
3232 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3233 regrename.o, rtl-factoring.o): Update dependencies.
3234 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3235 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3236 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3237 REG_OK_FOR_INDEX_P): Delete documentation.
3239 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3241 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3242 from V7 to V9 for Solaris 7 and above.
3244 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3246 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3247 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3248 argument pointers may not alias any other storage.
3249 * common.opt: Define option -fargument-noalias-anything.
3250 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3251 alias semantics is specified by flag_argument_noalias > 2.
3253 2006-03-20 Jeff Law <law@redhat.com>
3255 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3256 (pass_phi_only_cprop): Declare.
3257 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3258 with phi_only_cprop
3259 * tree-ssa-dom.c (degenerate_phi_result): New function.
3260 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3261 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3262 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3263 (eliminate_degenerate_phis): Likewise.
3264 (pass_phi_only_cprop): New pass descriptor.
3265 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3266 support code. Callers updated.
3267 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3268 (store_copy_prop): Likewise.
3269 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3271 2006-03-20 Jason Merrill <jason@redhat.com>
3273 PR c++/21764
3274 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3275 (push_visibility, pop_visibility): Likewise.
3276 * c-pragma.h: Declare them.
3278 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3280 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3282 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3283 parameter and use get_ebb_head_tail.
3284 (sh_md_init_global): Adjust uses of find_regmode_weight.
3286 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3288 * function.h (struct function) <x_tail_recursion_reentry>:
3289 Rename to x_stack_check_probe_note.
3290 (tail_recursion_reentry): Rename to stack_check_probe_note.
3291 * function.c: Replace tail_recursion_reentry with
3292 stack_check_probe_note everywhere.
3293 (expand_function_start): Only emit a note for
3294 stack_check_probe_note with -fstack-protect.
3295 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3297 * emit-rtl.c (remove_unnecessary_notes): Remove.
3298 (pass_remove_unnecessary_notes): Remove.
3299 * rtl.h (remove_unnecessary_notes): Remove prototype.
3300 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3301 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3302 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3304 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3306 PR tree-opt/26629
3307 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3308 (valid_in_set): Handle ARRAY_REF.
3309 Change "if min_variant or VH" to asserts.
3310 (create_component_ref_by_pieces): Handle ARRAY_REF.
3311 (create_expression_by_pieces): Likewise.
3312 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3314 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3316 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3317 is operand of switch, not str[0].
3319 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3321 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3322 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3324 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3326 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3327 end of insn_extra_address_constraint declaration.
3329 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3331 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3332 (no-sum-in-toc): Same.
3333 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3334 variables.
3335 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3336 NO_FP_IN_TOC for -fPIC instead of mask.
3338 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3339 (BOOT_LDFLAGS): Delete.
3340 (LDFLAGS): Delete.
3341 * config/rs6000/t-aix52: Same.
3343 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3344 (stmsi[345678]_power): New.
3346 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3348 * config/ia64/ia64.opt: Add empty line to end of file.
3350 2006-03-17 Richard Guenther <rguenther@suse.de>
3352 PR middle-end/26721
3353 * builtins.c (get_pointer_alignment): For component style references
3354 adjust alignment to the component type alignment. Make sure
3355 to adjust alignment for component access of constants.
3357 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3359 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3360 unconditional jump.
3362 2006-03-17 Paul Brook <paul@codesourcery.com>
3364 * doc/install.texi: Docuemnt --with-mode.
3365 * config.gcc: Add --with-mode for arm*-*-*.
3366 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3368 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3370 * sh.c (max_labelno_before_reorg): New variable.
3371 (sh_reorg): Initialize it.
3372 (find_barrier): Check max_labelno_before_reorg before using
3373 label_to_alignment. Take length of explicit alignment insns
3374 into account. When seeing a UNSPECV_CONST_END, return it.
3376 * sh.c (fixup_mova): Set mode of affected label to QImode.
3377 (untangle_mova): New function.
3378 (find_barrier): Use it. Check mode of label before decrementing
3379 num_mova.
3380 (sh_reorg): Likewise.
3381 Set mode of all insns back to VOIDmode.
3383 * sh.c (MOVA_LABELREF): New macro.
3384 (mova_p, fixup_mova, sh_reorg): Use it.
3385 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3386 ADDR_DIFF_VEC matches mova.
3388 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3390 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3391 with ATTRIBUTE_UNUSED.
3393 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3395 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3396 pointer, instead of assuming it is possible to derive the
3397 correct args size from a call insn.
3399 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3401 * rtl.h (CONST_INT_P): Define.
3402 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3403 instead of GET_CODE(x) == CONST_INT.
3404 (vax_rtx_costs): Likewise.
3405 (vax_output_int_move): Likewise.
3406 (vax_output_int_add): Likewise.
3407 (legitimate_constant_address_p): Likewise.
3408 (index_term_p): Likewise.
3409 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3410 * config/vax/vax.md (and<mode>3): Likewise.
3411 (ashrsi3): Likewise.
3412 (extv): Likewise.
3413 (movstricthi): Likewise.
3414 (movstrictqi): Likewise.
3415 (rotrsi3): Likewise.
3416 (five unnamed insns): Likewise.
3418 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3420 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3421 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3422 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3423 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3424 Pass to ASM_OUTPUT_DWARF_OFFSET.
3425 * dwarf2out.c (debug_frame_section): New.
3426 (output_call_frame_info): Use debug_frame_section. Pass it to
3427 dw2_asm_output_offset.
3428 (output_die): Pass appropriate section to dw2_asm_output_offset.
3429 (output_compilation_unit_header): Likewise.
3430 (output_pubnames): Likewise.
3431 (output_aranges): Likewise.
3432 (enum dw_val_class): Break dw_val_class_lbl_offset into
3433 dw_val_class_lineptr and dw_val_class_macptr.
3434 (add_AT_lbl_offset): Delete.
3435 (add_AT_lineptr): New.
3436 (add_AT_macptr): New.
3437 (AT_lbl): Expect a lineptr or macptr.
3438 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3439 (attr_checksum): Likewise.
3440 (same_dw_val_p): Likewise.
3441 (size_of_die): Likewise.
3442 (value_format): Likewise.
3443 (output_die): Likewise.
3444 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3445 add_AT_lbl_offset.
3446 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3447 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3448 * config/darwin-protos.h (darwin_file_start): New.
3449 (darwin_asm_output_dwarf_offset): New.
3450 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3451 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3452 darwin_file_start.
3453 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3454 if not EH section; simplify.
3455 (darwin_file_start): New.
3456 (darwin_asm_output_dwarf_offset): New.
3457 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3458 mark as 'debug'.
3459 (DEBUG_INFO_SECTION): Likewise.
3460 (DEBUG_ABBREV_SECTION): Likewise.
3461 (DEBUG_ARANGES_SECTION): Likewise.
3462 (DEBUG_MACINFO_SECTION): Likewise.
3463 (DEBUG_LINE_SECTION): Likewise.
3464 (DEBUG_LOC_SECTION): Likewise.
3465 (DEBUG_PUBNAMES_SECTION): Likewise.
3466 (DEBUG_STR_SECTION): Likewise.
3467 (DEBUG_RANGES_SECTION): Likewise.
3468 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3469 (ASM_OUTPUT_DWARF_OFFSET): New.
3471 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3473 * config.gcc (tm_defines): Always add to previous value rather
3474 than replacing it.
3476 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3478 * config/mips/predicates.md (splittable_const_int_operand): New,
3479 split from move_operand.
3480 (splittable_symbolic_operand): New.
3481 (move_operand): Add commentary. Use splittable_const_int_operand.
3482 Inline mips_atomic_symbolic_constant_p.
3483 * config/mips/mips.md: Add combine splitters for handling moves
3484 of splittable_const_int_operands and splittable_symbolic_operands.
3485 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3486 (mips_split_symbol): Declare.
3487 (mips_move_integer): Declare.
3488 * config/mips/mips.c (mips_split_p): Make global.
3489 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3490 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3491 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3492 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3493 (mips_offset_within_object_p): Handle block symbols.
3494 (mips_atomic_symbolic_constant_p): Delete.
3495 (mips_cannot_force_const_mem): Return false for constants that
3496 mips_legitimize_move can handle.
3497 (mips_use_blocks_for_constant_p): New function.
3498 (mips_split_symbol): Make global.
3499 (mips_move_integer): Likewise. Add a temporary register argument.
3500 (mips_legitimize_const_move): Use splittable_const_int_operand and
3501 splittable_symbolic_operand.
3502 (mips_use_anchors_for_symbol_p): New function.
3503 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3504 (mips_split_p): Declare.
3506 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3508 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3509 (mips*-*-linux*): Likewise.
3511 2006-03-16 Roger Sayle <roger@eyesopen.com>
3512 Daniel Speyer <dspeyer@wam.umd.edu>
3514 PR middle-end/18259
3515 * tree-dump.c (dump_real): New function.
3516 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3517 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3518 (tree-dump.o): Add $(REAL_H) to the dependencies.
3520 2006-03-16 Roger Sayle <roger@eyesopen.com>
3522 PR middle-end/21781
3523 * real.c (real_from_string): If the mantissa is zero, don't bother
3524 parsing the exponent as the result should always be zero.
3526 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3528 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3530 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3532 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3533 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3534 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3535 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3536 ia64_sched_finish_global): New static functions to implement
3537 hooks from gcc_target.sched.
3538 (spec_check_no, max_uid, pending_data_specs): New static variables.
3539 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3540 ia64_spec_check_src_p): New static functions.
3541 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3542 (TARGET_SCHED_ADJUST_COST): Removed.
3543 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3544 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3545 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3546 TARGET_SCHED_GEN_CHECK,
3547 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3548 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3549 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3550 Fixed to handle speculation checks.
3551 (rtx_needs_barrier): Fixed to handle speculative loads and
3552 their checks.
3553 (ia64_variable_issue): Added code to count speculative loads and their
3554 checks.
3555 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3556 speculative loads.
3557 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3558 New enumerations.
3559 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3560 New constants.
3561 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3562 (ia64_reorg): Reset stops_p to NULL after it is freed.
3563 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3564 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3565 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3566 chk_a.
3567 (data_speculative, control_speculative, check_load): New attributes.
3568 (mov<mode>_advanced, mov<mode>_speculative,
3569 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3570 zero_extend<mode>di2_speculative,
3571 zero_extend<mode>di2_speculative_advanced): New patterns for
3572 data and control speculative loads.
3573 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3574 check loads.
3575 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3576 New pattern for data and control speculation checks.
3577 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3578 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3579 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3580 Auxiliary definitions for the patterns.
3581 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3582 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3583 constraints.
3584 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3585 for speculation.
3586 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3587 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3588 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3589 New resource constraints.
3590 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3591 for speculation.
3592 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3593 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3594 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3595 msched-in-control-spec, msched-ldc, msched-control-ldc,
3596 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3597 msched-prefer-non-control-spec-insns,
3598 msched-count-spec-in-critical-path): New flags to tune speculative
3599 scheduling.
3600 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3601 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3602 msched-in-control-spec, msched-ldc, msched-control-ldc,
3603 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3604 msched-prefer-non-control-spec-insns,
3605 msched-count-spec-in-critical-path): Document new flags.
3607 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3609 * target.h (struct spec_info_def): New opaque declaration.
3610 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3611 speculate_insn, needs_block_p, gen_check,
3612 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3613 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3614 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3615 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3616 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3617 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3618 gcc_target.sched.
3619 (TARGET_SCHED): Use new macros.
3620 * rtl.h (copy_DEPS_LIST_list): New prototype.
3621 * sched-int.h (struct sched_info): Change signature of new_ready field,
3622 adjust all initializations. New fields: add_remove_insn,
3623 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3624 region_head_or_leaf_p.
3625 (struct spec_info_def): New structure declaration.
3626 (spec_info_t): New typedef.
3627 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3628 recovery_block, orig_pat.
3629 (glat_start, glat_end): New variables declaraions.
3630 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3631 New access macros.
3632 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3633 DETACH_LIFE_INFO, USE_GLAT.
3634 (enum SPEC_SCHED_FLAGS): New enumeration.
3635 (NOTE_NOTE_BB_P): New macro.
3636 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3637 attach_life_info, debug_spec_status, check_reg_live): New functions.
3638 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3639 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3640 sched-ebb.c
3641 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3642 * ddg.c (get_block_head_tail): Adjust all uses.
3643 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3644 (sms_sched_info): Initialize new fields.
3645 (contributes_to_priority): Removed.
3646 * haifa-sched.c (params.h): New include.
3647 (get_block_head_tail): Adjust all uses.
3648 (ISSUE_POINTS): New macro.
3649 (glat_start, glat_end): New global variables.
3650 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3651 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3652 old_last_basic_block, before_recovery, current_sched_info_var,
3653 rgn_n_insns, luid): New static variables.
3654 (insn_cost1): New function. Move logic from insn_cost to here.
3655 (find_insn_reg_weight1): New function. Move logic from
3656 find_insn_reg_weight to here.
3657 (reemit_notes, move_insn, max_issue): Change signature.
3658 (move_insn1): Removed.
3659 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3660 extend_bb): New static functions to support extension of scheduler's
3661 data structures.
3662 (generate_recovery_code, process_insn_depend_be_in_spec,
3663 begin_speculative_block, add_to_speculative_block,
3664 init_before_recovery, create_recovery_block, create_check_block_twin,
3665 fix_recovery_deps): New static functions to support
3666 generation of recovery code.
3667 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3668 restore_bb_notes, move_block_after_check, move_succs): New static
3669 functions to support ebb scheduling.
3670 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3671 functions to support handling of register live information.
3672 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3673 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3674 add_jump_dependencies): New static functions.
3675 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3676 consistancy checking.
3677 (debug_spec_status): New function to call from debugger.
3678 (priority): Added code to handle speculation checks.
3679 (rank_for_schedule): Added code to distinguish speculative instructions.
3680 (schedule_insn): Added code to handle speculation checks.
3681 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3682 Fixed to handle ebbs.
3683 (move_insn): Added code to handle ebb scheduling.
3684 (max_issue): Added code to use ISSUE_POINTS of instructions.
3685 (choose_ready): Added code to choose between speculative and
3686 non-speculative instructions.
3687 (schedule_block): Added code to handle ebb scheduling and scheduling of
3688 speculative instructions.
3689 (sched_init): Initialize new variables.
3690 (sched_finish): Free new variables. Print statistics.
3691 (try_ready): Added code to handle speculative instructions.
3692 * lists.c (copy_DEPS_LIST_list): New function.
3693 * sched-deps.c (extend_dependency_caches): New function. Move logic
3694 from create_dependency_caches to here.
3695 (get_dep_weak, ds_merge): Make global.
3696 * genattr.c (main): Code to output prototype for
3697 dfa_clear_single_insn_cache.
3698 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3699 (output_dfa_clean_insn_cache_func): Code to output
3700 dfa_clear_single_insn_cache function.
3701 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3702 n_insns.
3703 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3704 Removed.
3705 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3706 New static variables.
3707 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3708 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3709 struct sched_info.
3710 (ebb_sched_info): Initialize new fields.
3711 (get_block_head_tail): Adjust all uses.
3712 (compute_jump_reg_dependencies): Fixed to use glat_start.
3713 (schedule_ebb): Code to remove unreachable last block.
3714 (schedule_ebbs): Added code to update register live information.
3715 * sched-rgn.c (region_sched_info): Initialize new fields.
3716 (get_block_head_tail): Adjust all uses.
3717 (last_was_jump): Removed. Adjust users.
3718 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3719 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3720 Implement new hooks.
3721 (check_dead_notes1): New static function.
3722 (struct region): New fields: dont_calc_deps, has_real_ebb.
3723 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3724 (BB_TO_BLOCK): Fixed to handle EBBs.
3725 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3726 (ebb_head): New static variable.
3727 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3728 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3729 new fields.
3730 (compute_dom_prob_ps): New assertion.
3731 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3732 global_live_at_start.
3733 (init_ready_list): New assertions.
3734 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3735 (new_ready): Add support for BEGIN_CONTROL speculation.
3736 (schedule_insns): Fixed code that updates register live information
3737 to handle EBBs.
3738 (schedule_region): Fixed to handle EBBs.
3739 (init_regions): Use extend_regions and check_dead_notes1.
3740 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3741 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3742 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3743 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3744 TARGET_SCHED_GEN_CHECK,
3745 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3746 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3747 * doc/invoke.texi (max-sched-insn-conflict-delay,
3748 sched-spec-prob-cutoff): Document.
3750 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3752 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3753 inter_tick, queue_index.
3754 (struct sched_info): Change signature of init_ready_list field.
3755 Adjust all initializations.
3756 (RESOLVED_DEPS): New access macro.
3757 (ready_add): Remove prototype.
3758 (try_ready): Add prototype.
3759 * sched-rgn.c (init_ready_list): Use try_ready.
3760 (schedule_region): Initialize
3761 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3762 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3763 (init_ready_list): Use try_ready.
3764 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3765 * lists.c (remove_list_elem): Remove `static'.
3766 (remove_free_INSN_LIST_elem): New function.
3767 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3768 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3769 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3770 New constants.
3771 (readyp): New variable.
3772 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3773 change_queue_index, resolve_dep): New static functions.
3774 (try_ready): New function. Adjust callers in sched-rgn.c and
3775 sched-ebb.c to use it instead of ready_add.
3776 (clock_var): Move at the begining of file.
3777 (rank_for_schedule): Fix typo.
3778 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3779 (ready_lastpos): Enforce assertion.
3780 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3781 update all callers.
3782 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3783 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3784 (queue_to_ready): Use free_INSN_LIST_list.
3785 (early_queue_to_ready): Fix typo.
3786 (schedule_block): Init readyp. Move init_ready_list call after the
3787 initialization of clock_var. Fix error in rejecting insn by
3788 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3789 that previously corrected INSN_TICKs. Add code for handling
3790 QUEUE_INDEX.
3791 (set_priorities): Fix typo.
3792 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3793 Clarify comment and code that keeps current_sched_info->next_tail
3794 non-null.
3796 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3798 * sched-rgn.c (extend_rgns): New static function.
3799 (find_rgns): Use it.
3800 (gather_region_statistics, print_region_statistics): New static
3801 functions.
3802 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3803 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3805 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3806 Andrey Belevantsev <abel@ispras.ru>
3808 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3809 * lists.c (unused_deps_list): New variable.
3810 (free_list): Add assertions to verify the proper distinguishing
3811 between INSN_LISTs and DEPS_LISTs.
3812 (find_list_elem, remove_list_elem, remove_list_node): New static
3813 functions.
3814 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3815 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3816 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3817 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3818 an INSN_LIST.
3819 (free_INSN_LIST_node): Likewise.
3820 * modulo-sched.c (current_sched_info): Initialize flags field.
3821 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3822 * rtl.def (DEPS_LIST): Define.
3823 * rtl.h: Declare new functions from lists.c.
3824 * sched-deps.c (spec_dependency_cache): New static variable.
3825 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3826 (add_dependence): Change return type to void. Move the logic to ...
3827 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3828 (delete_all_dependences): Add comment about forward_dependency_cache.
3829 Handle spec_dependency_cache. Handle DEPS_LISTs.
3830 (fixup_sched_groups): Clarify the change of priority of output
3831 and anti dependencies.
3832 (sched_analyze_2): Adjust add_dependence calls to create data
3833 speculative dependence.
3834 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3835 Adjust all callers. Handle DEPS_LISTS.
3836 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3837 presence of speculation.
3838 (init_dependency_caches, free_dependency_caches):
3839 Handle spec_dependency_cache.
3840 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3841 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3842 New static functions.
3843 (add_or_update_back_dep, add_or_update_back_forw_dep,
3844 add_back_forw_dep, delete_back_forw_dep): New functions.
3845 * sched-int.h (ds_t, dw_t): New typedefs.
3846 (struct sched_info): Add new field flags.
3847 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3848 Prototype new sched-deps.c functions.
3849 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3850 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3851 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3852 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3853 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3854 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3855 New constants.
3856 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3857 New enums.
3858 * sched-rgn.c (current_sched_info): Initialize flags field.
3859 (schedule_insns): Initialize current_sched_info before the sched_init
3860 call.
3861 * sched-ebb.c (current_sched_info): Initialize flags field.
3862 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3863 Call add_or_update_back_dep instead of add_dependence.
3864 Create control speculative dependencies.
3865 (schedule_insns): Initialize current_sched_info before the sched_init
3866 call.
3868 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3870 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3871 fs->signal_frame.
3872 (sh_fallback_frame_state): Likewise.
3874 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3876 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3877 Do switch on default_use_cxa_atexit.
3878 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3879 * config/darwin-crt3.o: New.
3880 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3881 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3882 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3883 OS version.
3884 * config/rs6000/t-darwin: Move crt2.o building to here.
3885 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3886 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3887 of __cxa_atexit.
3889 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3891 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3892 from '! xxx' to '!xxx' for coding-style conformance.
3893 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3894 (EXTRA_CONSTRAINT): Likewise.
3895 * config/vax/vax.md (four unnamed insns): Likewise.
3897 2006-03-15 Paul Brook <paul@codesourcery.com>
3899 * config/arm/arm.c (minipool_pad): New.
3900 (add_minipool_forward_ref): Include pool alignment padding in address
3901 calculation.
3902 (push_minipool_fix): Set minipool_pad.
3903 (minipool_pad): Ditto.
3905 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3907 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3908 instead of GET_CODE() == MEM and REG_P() instead of
3909 GET_CODE() == REG.
3910 (print_operand_address): Likewise.
3911 (vax_address_cost): Likewise.
3912 (vax_rtx_costs): Likewise.
3913 (vax_notice_update_cc): Likewise.
3914 (vax_output_int_add): Likewise.
3915 (INDEX_REGISTER_P): Likewise.
3916 (BASE_REGISTER_P): Likewise.
3917 (nonindexed_address_p): Likewise.
3918 (vax_mode_dependent_address_p): Likewise.
3919 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3920 (PRINT_OPERAND): Likewise.
3921 * config/vax/vax.md (ashlsi3): Likewise.
3922 (ashlsi3): Likewise.
3923 (some more unnamed insns): Likewise.
3925 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3927 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3928 iterator-style macro.
3929 (mark_control_dependent_edges_necessary): Update the use of
3930 EXECUTE_IF_CONTROL_DEPENDENT.
3932 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3934 * config/sh/predicates.md (cache_address_operand): Special.
3935 (ua_address_operand): Likewise.
3937 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3939 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3940 loop notes.
3941 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3943 2006-03-15 Andreas Schwab <schwab@suse.de>
3945 * gensupport.c (identify_predicable_attribute): Don't free p_false
3946 when it is still in use.
3948 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3950 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3951 the default setting here.
3953 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3955 * tree-pass.h (pass_cfg): Remove.
3956 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3957 * passes.c (pass_cfg): Don't run it.
3959 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3961 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3962 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3963 VEC(char,heap) *.
3964 (stack_regs_mentioned): Update the uses of
3965 stack_regs_mentioned_data. Don't access the array beyond its
3966 end.
3967 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3968 Don't include gt-reg-stack.h.
3970 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3971 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3973 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3975 PR middle-end/26684
3976 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3977 STACK_REGS.
3979 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3981 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3983 2006-03-14 Richard Guenther <rguenther@suse.de>
3985 PR tree-optimization/26672
3986 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3987 SSA form.
3989 2006-03-14 Richard Guenther <rguenther@suse.de>
3991 PR tree-optimization/26667
3992 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3993 node for the callees. Always allow inlining if it will shrink
3994 the function size.
3996 2006-03-14 Richard Guenther <rguenther@suse.de>
3998 PR middle-end/26659
3999 * builtins.c (get_pointer_alignment): Prefer alignment
4000 information from decls over that from types.
4002 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4004 PR target/26657
4005 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4007 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4009 * config/rs6000/rs6000.opt (mdlmzb): New option.
4010 (msched-prolog, msched-epilog): Use Var not Mask.
4011 * doc/invoke.texi (-mdlmzb): Document.
4012 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4013 MASK_SCHED_PROLOG.
4014 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4015 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4017 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4019 PR rtl-optimization/25739
4020 * bt-load.c (augment_live_range): Free tos pointer.
4022 * gensupport.c (identify_predicable_attribute): Free
4023 p_false pointer.
4024 * gcov.c (create_file_names): Free name pointer.
4026 2006-03-13 Roger Sayle <roger@eyesopen.com>
4028 PR middle-end/26557
4029 * stmt.c (emit_case_nodes): Handle the case where the index is a
4030 CONST_INT, where the comparison mode is specified by the index type.
4032 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4034 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4035 is defined.
4037 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4039 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4040 (*branch_fp_inverted): Likewise.
4042 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4044 PR middle-end/25989
4045 * omp-low.c (expand_omp_for_generic): Mark istart0
4046 and iend0 as addressable.
4048 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4050 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4052 2006-03-13 Jeff Law <law@redhat.com>
4054 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4055 virtual operands are interesting.
4056 (vrp_visit_stmt): Corresponding changes.
4058 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4060 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4061 of RETS.
4062 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4063 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4064 * config/bfin/crti.S: Use it instead of __PIC__.
4065 * config/bfin/crtn.S: Likewise.
4067 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4068 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4069 not if flag_pic.
4070 Lose 'G' modifier for call operand.
4071 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4072 recognize 'G' modifier.
4074 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4076 PR middle-end/18859
4077 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4078 * stmt.c (expand_case): Likewise.
4080 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4082 PR rtl-optimization/26254
4083 * loop-invariant.c (seq_insns_valid_p): New function.
4084 (move_invariant_reg): Only emit new code if it is valid.
4086 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4088 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4089 Removed.
4090 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4091 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4092 (commit_one_edge_insertion): Do not look for loop notes.
4094 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4096 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4097 flag_test_coverage out of loop.
4099 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4101 * final.c (shorten_branches): Remove outdated comment, and turn
4102 the if branch that guards it to continue.
4104 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4106 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4107 * cfgloop.h (struct loop): Remove unused fields.
4109 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4111 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4112 (-dL, -fdump-rtl-loop2): Update the dump file names
4114 * doc/invoke.texi: Update dump file names.
4116 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4118 * predict.c (estimate_probability): Remove.
4119 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4120 * basic-block.h (estimate_probability): Remove prototype.
4121 * passes.c (finish_optimization_passes): Dump branch prediction or
4122 profiling heuristics to the .profile tree dump.
4123 (init_optimization_passes): Unqueue pass_branch_prob.
4125 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4127 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4129 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4130 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4132 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4134 * function.h (frame_offset_overflow): Declare.
4135 * function.c (frame_offset_overflow): New function.
4136 (assign_stack_local_1): Call it to detect that the offset overflows.
4137 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4139 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4141 * config/sh/sh.c: Include alloc-pool.h.
4142 (label_ref_list_pool): New alloc pool.
4143 (label_ref_list_t): New type for lists of labels.
4144 (struct pool_node): Make wend a label_ref_list_t.
4145 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4146 references.
4147 (dump_table): Likewise.
4148 (sh_reorg): Set up the alloc pool before using add_constant and
4149 dump_table, and destroy it when finishing.
4151 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4153 * config/mips/mips.c: Remove redundant comment.
4155 2006-03-10 Jason Merrill <jason@redhat.com>
4157 PR c/26004
4158 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4159 the target was declared 'register'.
4161 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4163 * genpreds.c (write_insn_constraint_len): Change definition of
4164 insn_constraint_len to return size_t to match the declaration.
4166 2006-03-10 DJ Delorie <dj@redhat.com>
4168 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4169 start at zero.
4170 (m32c_expand_insv): Fix test for an AND mask.
4172 2006-03-10 Richard Guenther <rguenther@suse.de>
4174 PR middle-end/26565
4175 * builtins.c (get_pointer_alignment): Handle component
4176 references for field alignment.
4178 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4180 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4181 when building with libgloss.
4182 (sh*elf): Implement --without-fp option.
4183 (sh64-superh-linux*): Don't multilib.
4185 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4187 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4189 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4191 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4192 Set it when one of the replacement functions returned true.
4193 Return TODO_cleanup_cfg if cfgchanged is true.
4194 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4196 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4198 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4199 instead of gen_lowpart.
4201 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4203 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4204 interface.
4205 (mips_output_order_conditional_branch): Declare.
4206 * config/mips/mips.h (MIPS_BRANCH): New macro.
4207 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4208 for the comparison. Use gen_condjump.
4209 (mips_output_conditional_branch): Rework interface to take the
4210 asm templates for a direct branch and the inverse of a direct branch.
4211 (mips_output_order_conditional_branch): New function.
4212 (mips_builtin_branch_and_move): New function.
4213 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4214 branch condition. Use gen_single_cc as the condition for
4215 __builtin_mips_upper_* or __builtin_mips_lower_*.
4216 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4217 Use VOIDmode for the branch condition.
4218 * config/mips/predicates.md (order_operator): New predicate.
4219 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4220 (branch_fp): Rename to...
4221 (*branch_fp): ...this. Remove mode from comparison operator.
4222 Use new mips_output_conditional_branch interface.
4223 (branch_fp_inverted): Rename to...
4224 (*branch_fp_inverted): ...this and update as for *branch_fp.
4225 (*branch_zero<mode>): Rename to...
4226 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4227 Use mips_output_order_conditional_branch. Only accept ordered
4228 comparisons.
4229 (*branch_zero<mode>_inverted): Rename to...
4230 (*branch_order<mode>_inverted): ...this and update as for
4231 *branch_order<mode>.
4232 (*branch_equality<mode>): Accept zero as the second operand to
4233 the equality operator. Use the new mips_output_conditional_branch
4234 interface.
4235 (*branch_equality<mode>_inverted): Likewise.
4236 (condjump): New expander.
4237 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4238 operator.
4239 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4240 (bc1any2t, bc1any2f): Likewise.
4241 (single_cc): New expander.
4242 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4244 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4246 * doc/md.texi: Update documentation of MIPS constraints.
4247 * config/mips/constraints.md: New file.
4248 * config/mips/mips.md: Include it.
4249 * config/mips/mips.c (mips_char_to_class): Delete.
4250 (override_options): Don't initialize mips_char_to_class.
4251 * config/mips/mips.h (mips_char_to_class): Delete.
4252 (REG_CLASS_FROM_LETTER): Delete.
4253 (CONST_OK_FOR_LETTER_P): Delete.
4254 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4255 (EXTRA_CONSTRAINT_Y): Delete.
4256 (EXTRA_CONSTRAINT_STR): Delete.
4257 (CONSTRAINT_LEN): Delete.
4258 (EXTRA_MEMORY_CONSTRAINT): Delete.
4260 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4262 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4263 original fn's eh regions.
4265 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4267 * fold-const.c (build_range_check): Make sure to use a valid type to
4268 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4269 transformation.
4271 (range_predecessor): New static function.
4272 (range_successor): Likewise.
4273 (merge_ranges): Use them to compute predecessors and successors of
4274 range bounds.
4276 2006-03-09 Roger Sayle <roger@eyesopen.com>
4278 PR middle-end/26561
4279 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4280 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4282 2006-03-08 DJ Delorie <dj@redhat.com>
4284 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4285 (addpsi3): Expand to include memory operands. Remove
4286 reload-specific splits.
4287 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4288 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4289 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4290 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4291 (shift1_qi, shift1_hi, insv): New.
4292 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4293 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4294 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4295 cond_to_int): New.
4296 * config/m32c/m32c-protos.h: Update as needed.
4297 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4298 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4299 Fail for unrecognized R* constraints.
4300 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4301 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4302 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4303 Add Sp constraint.
4304 (m32c_init_libfuncs): New.
4305 (m32c_legitimate_address_p): Add debug wrapper.
4306 (m32c_rtx_costs): New.
4307 (m32c_address_cost): New.
4308 (conversions): Add 'B' prefix.
4309 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4310 operands, or word regnames for QI operands. 'B' prints bit
4311 position.
4312 (m32c_expand_setmemhi): New.
4313 (m32c_expand_movmemhi): New.
4314 (m32c_expand_movstr): New.
4315 (m32c_expand_cmpstr): New.
4316 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4317 (m32c_expand_neg_mulpsi3): Handle non-ints.
4318 (m32c_cmp_flg_0): New.
4319 (m32c_expand_movcc): New.
4320 (m32c_expand_insv): New.
4321 (m32c_scc_pattern): New.
4322 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4323 a0/a1 out of SIregs.
4324 (STORE_FLAG_VALUE): New.
4325 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4326 code macros.
4327 (no_insn): New.
4328 * config/m32c/mov.md: Make constraints more liberal.
4329 (zero_extendqihi2): Optimize r0/r1 case.
4330 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4331 * config/m32c/predicates.md (m32c_any_operand): New.
4332 (m32c_nonimmediate_operand): New.
4333 (m32c_hl_operand): New.
4334 (m32c_r3_operand): New.
4335 (ap_operand): New.
4336 (ma_operand): New.
4337 (memsym_operand): New.
4338 (memimmed_operand): New.
4339 (a_qi_operand): New.
4340 (m32c_eqne_operator): New.
4341 (m32c_1bit8_operand): New.
4342 (m32c_1bit16_operand): New.
4343 (m32c_1mask8_operand): New.
4344 (m32c_1mask16_operand): New.
4345 * config/m32c/blkmov.md: New file.
4346 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4348 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4350 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4351 unsigned to fix signed/unsigned comparison issue in
4352 DWARF2_FRAME_REG_OUT.
4353 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4354 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4356 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4357 of ptr into the ENABLE_CHECKING section.
4359 2006-03-08 Jeff Law <law@redhat.com>
4361 * tree-vrp.c (infer_value_range): Only count pointer uses
4362 and dereferences if -fdelete-null-pointer-checks is enabled.
4364 * tree-vrp.c (find_assert_locations): Infer value ranges for
4365 single use pointers, but do not create ASSERT_EXPRs for them.
4366 When a non-null range is inferred for a pointer, backwards
4367 propagate that range to other equivalent pointers through the
4368 use-def chain.
4370 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4372 PR bootstrap/26500
4373 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4374 language hook targets.
4375 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4376 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4377 if language hook targets were missing.
4379 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4381 * tree-ssa-opfinalize.h: Removed.
4382 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4383 dependency.
4384 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4385 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4386 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4387 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4388 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4389 finalize_ssa_v_must_def_ops): New.
4391 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4393 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4394 block as parameter.
4396 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4398 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4400 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4401 addresses with offsets; reorganize.
4403 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4404 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4405 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4407 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4409 PR target/26588
4410 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4412 2006-03-08 Ben Elliston <bje@au.ibm.com>
4414 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4416 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4418 PR gomp/26238
4419 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4420 expansion.
4422 2006-03-07 Richard Guenther <rguenther@suse.de>
4424 PR tree-optimization/26587
4425 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4427 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4429 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4431 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4433 * hooks.c (hook_bool_mode_rtx_true): New function.
4434 * hooks.h (hook_bool_mode_rtx_true): Declare.
4435 * toplev.c (compile_file): Call output_shared_constant_pool.
4436 * varasm.c (shared_constant_pool): New variable.
4437 (assemble_start_function, assemble_end_function): Remove arguments
4438 from call to output_constant_pool.
4439 (create_constant_pool): New function, split out from...
4440 (init_varasm_status): ...here.
4441 (force_const_mem): Choose between the shared and per-function constant
4442 pools. Set current_function_uses_const_pool when reusing old entries
4443 as well as when creating new ones.
4444 (mark_constant): Ignore data argument.
4445 (mark_constants): Remove pool argument.
4446 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4447 to decide whether the function uses a constant pool.
4448 (output_constant_pool_contents): New function, split out from...
4449 (output_constant_pool): ...here.
4450 (output_shared_constant_pool): New function.
4451 (init_varasm_once): Initialize shared_constant_pool.
4452 * output.h (output_constant_pool): Delete.
4453 (output_shared_constant_pool): Declare.
4454 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4455 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4457 2006-03-06 Nick Clifton <nickc@redhat.com>
4459 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4460 flag_strength_reduce.
4462 2006-03-06 Ben Elliston <bje@au.ibm.com>
4464 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4465 x86_64-*-linux* configurations.
4467 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4468 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4470 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4472 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4473 Remove.
4474 * basic-block.h: Remove the extern for
4475 rediscover_loops_after_threading.
4477 * cfgloop.c (cancel_loop): Make it static.
4478 * cfgloop.h: Remove the prototype for cancel_loop.
4480 * flow.c (recompute_reg_usage): Make it static.
4481 * rtl.h: Remove the prototype for recompute_reg_usage.
4483 * function.c (use_return_register): Make it static.
4484 * function.h: Remove the prototype.
4486 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4488 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4489 Remove.
4490 * recog.h: Remove the prototype for
4491 validate_change_maybe_volatile.
4493 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4495 * rtlanal.c (replace_reg): Remove.
4496 * rtl.h: Remove the prototype for replace_reg.
4498 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4500 * regclass.c (reg_scan_update): Remove.
4501 (reg_scan_mark_refs): Remove the last argument.
4502 * rtl.h: Remove the prototype for reg_scan_update.
4504 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4506 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4507 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4508 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4509 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4510 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4511 loop-invariant.c, omp-low.c, opts.c, passes.c,
4512 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4513 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4514 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4515 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4516 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4517 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4519 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4521 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4522 * dwarf2out.h: Remove the prototype for
4523 dwarf2out_add_library_unit_info.
4525 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4527 * tree.c (add_var_to_bind_expr): Remove.
4528 * tree.h: Remove the prototype for add_var_to_bind_expr.
4530 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4532 * regclass.c (n_non_fixed_regs): Remove.
4533 (init_reg_sets_1, globalize_reg): Remove all uses of
4534 n_non_fixed_regs.
4535 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4537 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4539 * rtlanal.c (insns_safe_to_move_p): Remove.
4540 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4542 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4544 * expmed.c (expand_mult_add): Remove.
4545 * expr.h: Remove the prototype for expand_mult_add.
4547 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4549 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4550 and REG_SAVED_VAL_EXP constants.
4551 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4552 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4553 Handle regs stored by value.
4554 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4555 (execute_cfa_program): Handle DW_CFA_val_offset,
4556 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4557 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4558 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4559 (uw_install_context_1): Handle target regs stored by value.
4561 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4563 * tree-sra.c (tree_sra): Return todoflags;
4564 (generate_one_element): Set TODO_update_smt_usage if needed.
4565 (pass_sra): Remove TODO_update_smt_usage.
4566 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4567 parameter.
4568 (tree_ssa_forward_propagate_single_use_vars): Return
4569 TODO_update_smt_usage if we need to update SMT usage.
4570 (pass_forwprop): Remove TODO_update_smt_usage.
4572 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4574 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4575 (correct_use_link): Remove reference to get_stmt_operands.
4576 (update_stmt_operands): Likewise.
4577 (get_modify_expr_operands): New function factored out of
4578 parse_ssa_operands and get_expr_operands.
4579 Try to create V_MUST_DEFs for LHS by default.
4580 (get_expr_operands) <case MODIFY_EXPR>: Call
4581 get_modify_expr_operands.
4582 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4583 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4584 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4585 get_modify_expr_operands.
4587 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4589 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4590 * tree-flow.h: Remove the prototype for
4591 referenced_var_lookup_if_exists.
4593 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4595 PR rtl-optimization/26345
4596 PR target/19061
4597 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4599 2006-03-03 Roger Sayle <roger@eyesopen.com>
4601 PR tree-optimization/26524
4602 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4603 fold_convert to create a constant of the appropriate type.
4605 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4607 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4608 SYMBOL_REF_IN_BLOCK_P.
4609 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4610 of SYMBOL_FLAG_IN_BLOCK.
4611 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4612 instead of SYMBOL_REF_IN_BLOCK_P.
4613 * explow.c (use_anchored_address): Likewise.
4614 * rtl.c (rtx_size): Likewise.
4615 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4616 instead of SYMBOL_FLAG_IN_BLOCK.
4617 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4618 SYMBOL_REF_IN_BLOCK_P.
4619 (assemble_variable): Likewise.
4620 (output_constant_def_contents): Likewise.
4621 (output_constant_pool): Likewise.
4622 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4623 instead of SYMBOL_FLAG_IN_BLOCK.
4624 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4625 SYMBOL_REF_IN_BLOCK_P.
4626 (SYMBOL_REF_BLOCK): Likewise.
4627 (SYMBOL_REF_OFFSET): Likewise.
4628 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4629 SYMBOL_REF_IN_BLOCK_P.
4630 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4631 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4632 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4633 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4635 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4637 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4639 2006-03-02 Roger Sayle <roger@eyesopen.com>
4641 * simplify-rtx.c (simplify_unary_operation): When simplifying
4642 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4643 that we perform the right shift in the appropriate mode, and
4644 then extend or truncate the result to requested mode.
4646 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4648 * gengtype.c (main): Handle double_int type.
4649 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4650 * double-int.c: New file.
4651 * double-int.h: New file.
4652 * system.h: Include doubleint.h.
4653 * Makefile.in (SYSTEM_H): Include double-int.h.
4654 (double-int.o): Add.
4656 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4658 PR bootstrap/26478
4659 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4660 copying over it.
4662 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4664 * tree-vrp.c (remove_range_assertions): Do not update statements
4665 unnecessarily.
4667 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4669 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4670 cleanup.
4671 * gcse.c (rest_of_handle_gcse): Ditto.
4672 * except.c (gate_handle_eh): Ditto.
4673 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4674 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4676 2006-03-02 Eric Christopher <echristo@apple.com>
4678 * config/i386/i386.c (machopic_output_stub): Add indirection to
4679 jump.
4681 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4683 * loop.c: Removed.
4685 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4687 Sun Niagara specific optimizations.
4688 * config.gcc: Recognize niagara as target.
4689 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4690 (TARGET_CPU_niagara): Define.
4691 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4692 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4693 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4694 (ASM_CPU_SPEC): Likewise.
4695 (PROCESSOR_NIAGARA): New enum entry.
4696 (REGISTER_MOVE_COST): Handle Niagara.
4697 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4698 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4699 (sparc_override_options): Recognize "niagara", set appropriate
4700 default MASK_* values for it, and align functions to 32-bytes
4701 by default just like ULTRASPARC/ULTRASPARC3.
4702 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4703 (sparc64_initialize_trampoline): Likewise.
4704 (sparc_use_sched_lookahead): Use zero for niagara.
4705 (sparc_issue_rate): Use one for niagara.
4706 * config/sparc/niagara.md: New file.
4707 * config/sparc/sparc.md: Include it.
4708 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4709 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4710 when default cpu is niagara.
4711 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4712 (ASM_CPU_SPEC): Likewise.
4713 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4714 when default cpu is niagara.
4715 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4716 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4717 just like v9/ultrasparc/ultrasparc3.
4718 * doc/invoke.texi: Add documentation for "niagara" and improve
4719 existing documentation for ultrasparc variants.
4721 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4723 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4725 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4727 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4728 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4729 and say that only one is needed.
4730 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4731 * target.h (have_switchable_bss_sections): New hook.
4732 * explow.c (use_anchored_address): Check that the symbol is in a block.
4733 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4734 (bss_noswitch_section): New variables.
4735 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4736 (get_noswitch_section): New function.
4737 (get_block_for_section): Allow SECT to be null.
4738 (unlikely_text_section_p): Use SECTION_STYLE.
4739 (bss_initializer_p): New function.
4740 (get_variable_section): Move earlier in file. Take a new argument,
4741 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4742 Return one of the new *_sections in such cases.
4743 (get_block_for_decl): New function, extracting some logic from
4744 use_blocks_for_decl_p.
4745 (change_symbol_section): Remove in favor of...
4746 (change_symbol_block): ...this new function.
4747 (use_blocks_for_decl_p): Remove checks now performed by
4748 get_block_for_decl.
4749 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4750 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4751 (emit_local, emit_bss, emit_common): ...these new functions.
4752 Return true if the alignment was honored.
4753 (emit_tls_common): New function.
4754 (asm_emit_uninitialised): Delete.
4755 (assemble_variable_noswitch): New function, split out from...
4756 (assemble_variable): ...here. Don't make decisions about common
4757 variables here. Globalize all public decls that go into non-common
4758 sections. Check whether SYMBOL_REF_BLOCK is null.
4759 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4760 (output_constant_pool): Likewise.
4761 (init_varasm_once): Initialize the new section variables.
4762 (have_global_bss_p): New function.
4763 (categorize_decl_for_section): Use bss_initializer_p.
4764 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4765 (place_block_symbol): Assert that the symbol must be in a block.
4766 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4767 (TARGET_INITIALIZER): Include it.
4768 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4769 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4770 (SECTION_MACH_DEP): Bump by two.
4771 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4772 (unnamed_section): Mention SECTION_UNNAMED in comment.
4773 (named_section): Likewise SECTION_NAMED.
4774 (noswitch_section_callback): New type.
4775 (noswitch_section): New structure.
4776 (section): Add a noswitch_section alternative.
4777 (SECTION_STYLE): New macro.
4778 (tls_comm_section, comm_section, lcomm_section): Declare.
4779 (bss_noswitch_section, have_global_bss_p): Declare.
4780 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4781 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4782 Override.
4783 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4784 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4785 Override.
4787 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4789 * gcc/tree-vrp.c (execute_vrp): Return value.
4790 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4791 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4792 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4793 (tree_lower_complex_O0): Ditto.
4794 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4795 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4796 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4797 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4798 (execute_tail_calls): Ditto.
4799 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4800 * gcc/tree.h (init_function_for_compilation): Ditto.
4801 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4802 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4803 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4804 * gcc/final.c (compute_alignments): Ditto.
4805 (rest_of_handle_final): Ditto.
4806 (rest_of_handle_shorten_branches): Ditto.
4807 (rest_of_clean_state): Ditto.
4808 * gcc/omp-low.c (execute_expand_omp): Ditto.
4809 (execute_lower_omp): Ditto.
4810 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4811 * gcc/ipa-reference.c (static_execute): Ditto.
4812 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4813 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4814 (rest_of_handle_machine_reorg): Ditto.
4815 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4816 * gcc/flow.c (recompute_reg_usage): Ditto.
4817 (rest_of_handle_remove_death_notes): Ditto.
4818 (rest_of_handle_life): Ditto.
4819 (rest_of_handle_flow2): Ditto.
4820 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4821 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4822 (do_ssa_store_ccp): Ditto.
4823 (execute_fold_all_builtins): Ditto.
4824 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4825 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4826 * gcc/ipa-pure-const.c (static_execute): Ditto.
4827 * gcc/cse.c (rest_of_handle_cse): Ditto.
4828 (rest_of_handle_cse2): Ditto.
4829 * gcc/web.c (rest_of_handle_web): Ditto.
4830 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4831 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4832 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4833 * gcc/tree-nrv.c (tree_nrv): Ditto.
4834 (execute_return_slot_opt): Ditto.
4835 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4836 (create_structure_vars): Ditto.
4837 * gcc/loop-init.c (rtl_loop_init): Ditto.
4838 (rtl_loop_done): Ditto.
4839 (rtl_move_loop_invariants): Ditto.
4840 (rtl_unswitch): Ditto.
4841 (rtl_unroll_and_peel_loops): Ditto.
4842 (rtl_doloop): Ditto.
4843 * gcc/gimple-low.c (lower_function_body): Ditto.
4844 (mark_used_blocks): Ditto.
4845 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4846 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4847 (cgraph_early_inlining): Ditto.
4848 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4849 * gcc/jump.c (cleanup_barriers): Ditto.
4850 (purge_line_number_notes): Ditto.
4851 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4852 (rest_of_handle_if_after_reload): Ditto.
4853 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4854 (tree_ssa_loop_im): Ditto.
4855 (tree_ssa_loop_unswitch): Ditto.
4856 (tree_vectorize): Ditto.
4857 (tree_linear_transform): Ditto.
4858 (tree_ssa_loop_ivcanon): Ditto.
4859 (tree_ssa_empty_loop): Ditto.
4860 (tree_ssa_loop_bounds): Ditto.
4861 (tree_complete_unroll): Ditto.
4862 (tree_ssa_loop_prefetch): Ditto.
4863 (tree_ssa_loop_ivopts): Ditto.
4864 (tree_ssa_loop_done): Ditto.
4865 * gcc/predict.c (tree_estimate_probability): Ditto.
4866 * gcc/recog.c (split_all_insns_noflow): Ditto.
4867 (rest_of_handle_peephole2): Ditto.
4868 (rest_of_handle_split_all_insns): Ditto.
4869 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4870 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4871 (rest_of_handle_stack_adjustments): Ditto.
4872 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4873 * gcc/function.c (instantiate_virtual_regs): Ditto.
4874 (init_function_for_compilation): Ditto.
4875 (rest_of_handle_check_leaf_regs): Ditto.
4876 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4877 (rest_of_handle_gcse): Ditto.
4878 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4879 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4880 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4881 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4882 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4883 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4884 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4885 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4886 * gcc/except.c (set_nothrow_function_flags): Ditto.
4887 (convert_to_eh_region_ranges): Ditto.
4888 (rest_of_handle_eh): Ditto.
4889 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4890 (remove_unnecessary_notes): Ditto.
4891 * gcc/except.h (set_nothrow_function_flags): Ditto.
4892 (convert_to_eh_region_ranges): Ditto.
4893 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4894 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4895 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4896 (execute_fre): Ditto.
4897 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4898 (rest_of_handle_jump2): Ditto.
4899 * gcc/tree-sra.c (tree_sra): Ditto.
4900 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4901 (execute_mudflap_function_decls): Ditto.
4902 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4903 (do_store_copy_prop): Ditto.
4904 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4905 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4906 * gcc/tree-ssa-forwprop.c
4907 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4908 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4909 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4910 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4911 (execute_late_warn_uninitialized): Ditto.
4912 * gcc/rtl.h (cleanup_barriers): Ditto.
4913 (split_all_insns_noflow): Ditto.
4914 (purge_line_number_notes): Ditto.
4915 (unshare_all_rtl): Ditto.
4916 (remove_unnecessary_notes): Ditto.
4917 (recompute_reg_usage): Ditto.
4918 (variable_tracking_main): Ditto.
4919 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4920 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4921 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4922 (execute_free_cfg_annotations): Ditto.
4923 (execute_fixup_cfg): Ditto.
4924 (execute_cleanup_cfg_pre_ipa): Ditto.
4925 (execute_cleanup_cfg_post_optimizing): Ditto.
4926 (execute_init_datastructures): Ditto.
4927 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4928 * gcc/combine.c (rest_of_handle_combine): Ditto.
4929 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4930 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4931 (rest_of_handle_reorder_blocks): Ditto.
4932 (rest_of_handle_partition_blocks): Ditto.
4933 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4934 * gcc/tree-profile.c (tree_profiling): Ditto.
4935 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4936 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4937 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4938 (rest_of_handle_sched2): Ditto.
4939 * gcc/basic-block.h (free_bb_insn): Ditto.
4940 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4941 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4942 (remove_useless_stmts): Ditto.
4943 (split_critical_edges): Ditto.
4944 (execute_warn_function_return): Ditto.
4945 (execute_warn_function_noreturn): Ditto.
4946 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4947 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4948 * gcc/passes.c (execute_one_pass): Run additional
4949 todos returned by execute function.
4950 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4951 return a value.
4953 2006-03-02 Richard Guenther <rguenther@suse.de>
4955 * tree-ssa-alias.c (find_used_portions): Consider taking
4956 the address as making the variable not write-only.
4958 2006-03-02 Nick Clifton <nickc@redhat.com>
4960 * config.gcc (default_use_cxa_atexit): Extend the description of
4961 this configure variable. Set its default value to "yes" for
4962 Linux, NetBSD and ELF targets on the assumption that they will
4963 use C libraries with the __cxa_atexit function.
4965 2006-03-02 Ben Elliston <bje@au.ibm.com>
4967 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4968 parameter as unused to suppress a build warning.
4970 2006-03-02 Ben Elliston <bje@au.ibm.com>
4972 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4973 config/dfp-bit.c.
4975 2006-03-01 Roger Sayle <roger@eyesopen.com>
4977 PR other/26489
4978 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4979 declared name, the weak reference name, and the typeof name.
4980 (__gthrw): Avoid expanding the declared name suffix.
4981 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4983 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4985 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4986 from DWARF 3.
4987 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4988 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4989 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4990 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4991 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4992 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4993 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4994 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4995 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4996 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4997 (DW_END_default, DW_END_big, DW_END_little): New.
4998 (DW_END_lo_user, DW_END_hi_user): Define.
4999 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5000 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5001 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5002 DW_LANG_D): New.
5004 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5006 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5007 Update all users.
5008 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5009 Update all users.
5010 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5011 Update all users.
5012 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5013 Update all users.
5014 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5015 to 'symbol_mem_tag'.
5016 Update all users.
5017 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5018 rename.
5020 2006-03-01 Roger Sayle <roger@eyesopen.com>
5022 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5024 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5026 PR target/25761
5027 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5028 MACHO_DYNAMIC_NO_PIC_P.
5029 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5031 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5033 PR target/26389
5034 * config/darwin-protos.h (darwin_asm_output_anchor):
5035 Declare.
5036 * config/darwin-sections.def (cstring_section):
5037 Add SECTION_MERGE to the flags.
5038 (literal4_section): Likewise.
5039 (literal8_section): Likewise.
5040 (objc_selector_refs_section): Likewise.
5041 (objc_cls_refs_section): Likewise.
5042 * config/darwin.c (darwin_asm_output_anchor): New
5043 function.
5044 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5046 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5048 Fix PR tree-optimization/26443
5049 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5050 to todo and PROP_tmt_usage to properties_destroyed.
5051 * tree-ssa-ccp.c (pass_ccp): Ditto.
5052 (pass_store_ccp): Ditto.
5053 * tree-ssa-dom.c (pass_dominator): Ditto.
5055 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5057 * tree-ssa-operands.c: Cleanup whitespace.
5058 (get_asm_expr_operands): Move before first invocation.
5059 (get_indirect_ref_operands): Likewise.
5060 (get_tmr_operands): Likewise.
5061 (get_call_expr_operands): Likewise.
5062 (append_def): Likewise.
5063 (append_use): Likewise.
5064 (append_v_may_def): Likewise.
5065 (append_v_must_def): Likewise.
5066 (add_call_clobber_ops): Likewise.
5067 (add_call_read_ops): Likewise.
5068 (add_stmt_operand): Likewise.
5069 (add_virtual_operand): Likewise.
5070 (build_ssa_operands): Likewise.
5072 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5074 PR middle-end/26022
5075 Revert:
5076 PR middle-end/24437
5077 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5078 with a call expr to ...
5079 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5081 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5083 * tree-vrp.c (extract_range_from_assert): Remove special
5084 handling for types with super-types.
5086 2006-03-01 Ben Elliston <bje@au.ibm.com>
5088 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5089 and powerpc64-*-linux* configurations.
5090 * config/t-dfprules: New file.
5092 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5093 Compile dfp-bit.c from the source directory using -DWIDTH and
5094 $DFP_CFLAGS to control the compilation of that file, rather than
5095 generating width-specific versions in the build directory.
5096 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5097 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5099 2006-02-28 Zack Weinberg <zackw@panix.com>
5101 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5102 continues to work.
5104 2006-02-28 Eric Christopher <echristo@apple.com>
5106 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5107 Set up IN_LIBGCC definition of TARGET_64BIT.
5108 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5110 2006-02-28 Roger Sayle <roger@eyesopen.com>
5112 PR middle-end/14752
5113 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5114 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5115 cases via the construction of "expr != 0".
5117 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5119 * alias.c (alias_invariant, alias_invariant_size): Remove.
5120 (record_base_value): Remove.
5121 (memrefs_conflict_p): Don't look at alias_invariant.
5122 (end_alias_analysis): Don't free it.
5123 * alias.h (record_base_value): Remove prototype.
5125 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5126 Adam Nemet <anemet@caviumnetworks.com>
5128 * rtl.h (truncated_to_mode): Declare it.
5129 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5130 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5131 (RTL_HOOKS_INITIALIZER): Include it.
5132 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5133 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5134 reg_truncated_to_mode.
5135 * rtlanal.c (truncated_to_mode): Define it.
5136 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5138 2006-02-28 Jeff Law <law@redhat.com>
5140 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5141 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5142 the range allowed by TYPE_PRECISION.
5144 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5146 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5148 PR tree-optimization/26419
5149 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5150 values of n.
5152 2006-02-27 Zack Weinberg <zackw@panix.com>
5154 * doc/md.texi: Fix typo in previous change.
5156 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5158 * df.c: Remove.
5160 2006-02-27 Zack Weinberg <zackw@panix.com>
5162 * rtl.def (define_constraint, define_register_constraint)
5163 (define_memory_constraint, define_address_constraint): New MD forms.
5164 * gensupport.c (process_rtx): Put define_constraint etc on the
5165 predicate queue.
5166 * genpreds.c (process_define_predicate): Adjust comment. Validate
5167 the name, and call validate_exp to validate the expression.
5168 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5169 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5170 all callers changed.
5171 (validate_exp, needs_variable, struct constraint_data)
5172 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5173 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5174 (const_dbl_constraints, constraint_max_namelen)
5175 (have_register_constraints, have_memory_constraints)
5176 (have_address_constraints, have_address_constraints)
5177 (have_extra_constraints, have_const_int_constraints)
5178 (have_const_dbl_constraints, mangle, add_constraint)
5179 (process_define_constraint, process_define_register_constraint)
5180 (write_enum_constraint_num, write_lookup_constraint)
5181 (write_insn_constraint_len, write_regclass_for_constraint)
5182 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5183 (write_insn_extra_memory_constraint)
5184 (write_insn_extra_address_constraint)
5185 (write_satisfies_constraint_fns): New.
5186 (write_tm_preds_h): If we have new-style constraint definitions,
5187 prototype the functions generated from them, and define the
5188 old constraint interface (still used by generic code) in terms of
5189 those functions.
5190 (write_insn_preds_c): If we have new-style constraint definitions,
5191 generate all relevant functions from those definitions.
5192 (main): Handle define_constraint etc.
5193 * genoutput.c (struct constraint_data, indep_constraints)
5194 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5195 (mdep_constraint_len): New data structures and functions, defined
5196 #ifdef USE_MD_CONSTRAINTS.
5197 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5198 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5199 use new logic to validate operand constraints against constraint
5200 definitions.
5201 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5202 defined.
5203 * defaults.h: If none of the old-style constraint macros are
5204 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5205 old-style macros; and poison REG_CLASS_FROM_LETTER,
5206 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5207 EXTRA_CONSTRAINT.
5208 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5209 * doc/md.texi: Document new constraint-definition mechanism and the
5210 C interface it provides. Remove references to old mechanism
5211 elsewhere in the document.
5212 (Machine Constraints): Use pathnames relative to gcc directory,
5213 i.e. config/ARCH/FILE. Change i386 section to refer to
5214 config/i386/predicates.md; update that section to match docstrings.
5215 * doc/tm.texi: Move all documentation of the old constraint-
5216 definition macros to their own section, clearly mark as obsolete.
5218 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5219 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5220 definitions.
5221 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5222 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5223 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5224 constraint strings.
5225 (splits and peepholes): Use satisfies_constraint_*.
5226 * config/i386/i386.c (memory_address_length)
5227 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5229 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5231 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5232 scalar operation to be put back into the loop.
5234 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5236 PR other/26208
5237 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5238 (extract_cie_info): Handle S flag in augmentation string.
5239 (execute_cfa_program): If context->signal_frame, execute also
5240 fs->pc == context->ra instructions.
5241 (uw_frame_state_for): If context->signal_frame, don't subtract one
5242 from context->ra to find FDE.
5243 (uw_update_context_1): Set context->signal_frame to
5244 fs->signal_frame.
5245 (_Unwind_GetIPInfo): New function.
5246 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5247 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5248 of _Unwind_GetIP.
5249 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5250 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5251 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5252 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5253 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5254 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5255 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5256 x86_64_fallback_frame_state): Set fs->signal_frame.
5257 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5258 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5259 (frob_update_context): Likewise. Workaround missing S flag in
5260 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5261 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5262 Remove the psw_addr + 1 hack.
5264 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5266 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5267 with aggregates here.
5268 (find_func_aliases): Remove code for &<aggregate> from here.
5270 2006-02-26 Roger Sayle <roger@eyesopen.com>
5272 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5273 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5274 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5275 as (X & C) ne/eq 0.
5277 2006-02-26 Roger Sayle <roger@eyesopen.com>
5279 PR middle-end/19983
5280 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5282 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5284 * opts.c (decode_options): Do not handle flag_strength_reduce.
5285 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5286 and OPT_fstrength_reduce.
5287 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5288 flag_prefetch_loop_arrays for being nonzero.
5289 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5290 no-ops.
5291 (fprefetch-loop-arrays-rtl): Removed.
5292 (flag_prefetch_loop_arrays): Do not specify the value.
5294 * doc/passes.texi: Update documentation of loop optimizer
5295 passes.
5296 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5297 -frerun-loop-opt): Remove.
5299 2006-02-26 Richard Guenther <rguenther@suse.de>
5301 PR tree-optimization/26421
5302 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5303 in function calls that are ADDR_EXPRs as using the whole structure.
5305 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5307 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5308 * tree-pass.h (pass_loop_optimize): Remove.
5309 * passes.c (pass_loop_optimize): Never run it.
5310 * toplev.c (backend_init): Don't call init_loop.
5311 * opts.c (flag_loop_optimize_set): Remove.
5312 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5313 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5314 the old RTL loop optimizer when profiling enabled.
5315 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5316 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5317 pre-headers for the sake of the old RTL loop optimizer.
5318 * Makefile.in: Remove all references to loop.o.
5320 * doc/invoke.texi: Remove all references to -floop-optimize
5321 and -frerun-loop-opt.
5323 2006-02-26 Zack Weinberg <zackw@panix.com>
5325 * doc/md.texi (Machine Constraints): Refer to all files with paths
5326 relative to gcc directory (i.e. config/CPU/file). Add missing
5327 @table @code ... @end table to M32C subsection.
5329 2006-02-26 Roger Sayle <roger@eyesopen.com>
5331 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5332 (X & 1) == 0.
5333 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5335 2006-02-26 Roger Sayle <roger@eyesopen.com>
5336 James A. Morrison <phython@gcc.gnu.org>
5338 PR middle-end/21137
5339 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5340 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5341 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5342 signedness of the shift operation.
5344 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5346 PR tree-optimization/26359
5347 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5349 2006-02-25 Roger Sayle <roger@eyesopen.com>
5351 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5352 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5353 as X == 0, and some symmetry related transformations.
5354 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5356 2006-02-25 Roger Sayle <roger@eyesopen.com>
5358 PR middle-end/23673
5359 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5360 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5361 symmetry related transformations. Fold (X^C1) == C2 as
5362 X == (C1^C2).
5364 2006-02-25 Juergen Weigert <jw@suse.de>
5365 Richard Guenther <rguenther@suse.de>
5367 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5369 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5371 * combine.c (gen_lowpart_or_truncate): Call
5372 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5374 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5376 * doc/invoke.texi: Move -fopenmp description to "Options for
5377 Code Generation".
5378 Remove reference to -lgomp.
5380 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5382 * doc/install.texi: Require GNU tar version 1.14.
5384 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5386 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5387 * doc/invoke.texi (C++ Dialect Options): Document
5388 -fno-use-cxa-get-exception-ptr.
5389 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5390 * configure: Regenerate.
5391 * c.opt (fuse-cxa-get-exception-ptr): New.
5392 * c-opts.c (c_common_handle_option): Handle
5393 OPT_fuse_cxa_get_exception_ptr.
5394 * c-common.c (flag_use_cxa_atexit): Update documentation.
5395 (flag_use_cxa_get_exception_ptr): New.
5396 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5397 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5398 documentation.
5399 (C_COMMON_OVERRIDE_OPTIONS): New.
5401 2006-02-24 Roger Sayle <roger@eyesopen.com>
5403 PR middle-end/24952
5404 * combine.c (try_combine): Explicitly check whether GET_CODE is
5405 a SET or a CLOBBER, instead on checking that it isn't a USE.
5407 2006-02-24 Roger Sayle <roger@eyesopen.com>
5409 * fold-const.c (fold_comparison): New subroutine of fold_binary
5410 containing transformations common to both the equality and
5411 ordering relational operators, factored out of fold_binary.
5412 (fold_binary): Separate out the equality operators (EQ_EXPR
5413 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5414 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5415 transformations common to both.
5416 (fold_div_compare): Fix latent bugs in the previously unreachable
5417 LT_EXPR and GE_EXPR cases.
5419 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5421 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5422 decl libname for clog to __clog on AIX.
5424 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5426 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5428 PR target/26453
5429 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5430 output traceback table for thunks. Localise rs6000_stack_info call.
5432 2006-02-23 Roger Sayle <roger@eyesopen.com>
5433 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5435 * gthr-posix.h (__gthrw): Fix typo in comment.
5437 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5439 * doc/cpp.texi (Character sets): Document that we do support
5440 input files to be in any character set.
5442 2006-02-23 Jeff Law <law@redhat.com>
5444 * tree.h (PHI_ARG_NONZERO): Remove.
5445 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5446 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5447 node to the new node.
5449 PR tree-optimization/26425
5450 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5451 min/max, then assume its varying.
5453 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5455 PR rtl-optimization/26316
5456 * rtlanal.c (enum may_trap_p_flags): New.
5457 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5458 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5459 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5460 (may_trap_after_code_motion_p): New function.
5461 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5462 (find_invariant_insn): Use may_trap_after_code_motion_p.
5463 * rtl.h (may_trap_after_code_motion_p): Declare.
5465 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5467 * emit-rtl.c (immed_double_const): Cleanup.
5469 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5471 Fix PR tree-optimization/26376
5472 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5473 remove assert.
5475 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5477 PR middle-end/26412
5478 * gimplify.c (omp_add_variable): Guard variable size decl test with
5479 DECL_SIZE (decl) check.
5481 2006-02-23 Richard Guenther <rguenther@suse.de>
5483 PR middle-end/26439
5484 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5485 like aggregate types.
5487 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5489 * configure.ac: Add --with{,out}-long-double-128 configure option.
5490 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5491 * configure: Rebuilt.
5492 * config.in: Rebuilt.
5493 * doc/install.texi (Options specification): Document
5494 --with-long-double-128.
5496 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5497 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5498 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5499 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5501 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5503 * config/s390/s390.c (override_options): Handle
5504 TARGET_DEFAULT_LONG_DOUBLE_128.
5506 * config/alpha/alpha.c (override_options): Handle
5507 TARGET_DEFAULT_LONG_DOUBLE_128.
5509 * config/sparc/sparc.c (sparc_override_options): Handle
5510 TARGET_DEFAULT_LONG_DOUBLE_128.
5512 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5514 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5515 (real-install-headers-tar, real-install-headers-cpio)
5516 (real-install-headers-cp): New targets.
5518 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5520 * tree.h (variable_section): Delete.
5521 * varasm.c (variable_section): Delete.
5523 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5525 * install.texi: Add notes on install.texi2html.
5526 (Building in parallel): Do not use footnotes.
5528 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5530 PR libgomp/26234
5531 * doc/install.texi (Configuration): Document --disable-libgomp.
5533 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5535 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5537 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5539 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5540 (vec_extractv2df_0_sse): New.
5542 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5544 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5545 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5546 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5547 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5548 to the result of the expression.
5549 (def_cfa_1): Adjust.
5550 (frame_pointer_cfa_offset): Rename to...
5551 (frame_pointer_fb_offset): ... this. Adjust all uses.
5552 (convert_cfa_to_loc_list): Rename to...
5553 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5554 Pass it on to build_cfa_loc.
5555 (compute_frame_pointer_to_cfa_displacement): Rename to...
5556 (compute_frame_pointer_to_fb_displacement): ... this. New
5557 offset parameter. Use it in computation.
5558 (gen_subprogram_die): Compute cfa_fb_offset with the new
5559 macro, and use it to compute the fb loc list and the
5560 displacement.
5562 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5564 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5565 replaced with register_operand.
5566 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5567 non-DREG is expensive.
5568 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5569 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5570 involving memory.
5572 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5574 * doc/install.texi2html: Use set -e.
5576 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5578 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5579 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5580 * doc/invoke.texi (-fshared-data): Delete.
5581 * common.opt (fshared-data): Delete.
5582 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5583 (assemble_static_space): Remove #if 0 code.
5584 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5585 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5586 * config/cris/cris.h: Remove FIXME.
5588 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5590 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5591 hooks.
5593 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5595 PR middle-end/26379
5596 * combine.c (simplify_shift_const_1): Disable nested shifts
5597 optimization for vector shifts.
5599 2006-02-20 Roger Sayle <roger@eyesopen.com>
5601 PR tree-optimization/26361
5602 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5603 of unsigned integer types.
5605 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5607 * tree-chrec.c (eq_evolutions_p): New.
5608 * tree-chrec.h (eq_evolutions_p): Declared.
5609 * tree-data-ref.c: Fix formatting.
5610 (datadep_stats, dependence_stats): New.
5611 (gcd): Moved...
5612 (print_direction_vector): New.
5613 (dump_data_dependence_relation): Use print_direction_vector.
5614 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5615 (compute_subscript_distance): Static.
5616 (initialize_data_dependence_relation): Static. Get the number
5617 of loops surrounding the references from the callers, and initialize
5618 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5619 base_object_differ_p analyzers.
5620 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5621 compute_overlap_steps_for_affine_1_2,
5622 analyze_subscript_affine_affine): Count the classified dependences.
5623 Print a message when a test failed.
5624 (can_use_analyze_subscript_affine_affine): New.
5625 (analyze_siv_subscript): Compute the data dependences on symbolic
5626 scevs that verify can_use_analyze_subscript_affine_affine.
5627 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5628 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5629 Handle symbolic scevs.
5630 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5631 analyzed.
5632 (subscript_dependence_tester): Moved...
5633 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5634 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5635 DDR_SIZE_VECT instead of getting it in parameter.
5636 (subscript_dependence_tester): ... here. Take as a parameter
5637 loop_nest_depth. Call build_classic_dist_vector and
5638 build_classic_dir_vector.
5639 (compute_affine_dependence): Update subscript_dependence_tester
5640 parameters. Update datadep_stats counters. Call
5641 compute_subscript_distance.
5642 (compute_self_dependence): Save the dist and dir vectors. Call
5643 compute_subscript_distance.
5644 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5645 (compute_all_dependences): Reorder parameters as they were before
5646 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5647 compute_subscript_distance. Update the use of
5648 compute_affine_dependence and initialize_data_dependence_relation.
5649 (find_data_references_in_loop): Handle COMPONENT_REF.
5650 (compute_data_dependences_for_loop): Initialize dependence_stats.
5651 Don't call build_classic_dist_vector and build_classic_dir_vector.
5652 Update the parameters of initialize_data_dependence_relation and
5653 compute_all_dependences. Print the statistics from datadep_stats.
5654 (analyze_all_data_dependences): Static. Not used until the pass for
5655 checking the data dependences is contributed.
5656 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5657 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5658 (initialize_data_dependence_relation, compute_affine_dependence,
5659 analyze_all_data_dependences, compute_subscript_distance): Removed.
5660 (print_direction_vector): New.
5661 * lambda.h (gcd): ... here.
5662 (lambda_vector_gcd): Moved here from gcd_vector.
5663 * lambda-code.c (gcd, gcd_vector): Removed.
5664 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5665 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5667 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5669 * ipa-type-escape.c: Tidy some comments and white space.
5670 * tree-ssa-operands.c: Likewise.
5672 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5674 PR tree-opt/25879
5675 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5676 (dump_decl_name): Do not walk the decl tree chains.
5677 * tree-pass.h (TDF_CHAIN): Remove.
5679 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5681 * Makefile.in (C): Remove
5682 (PROTO): Remove
5683 (.PHONY): Remove C and PROTO
5685 2006-02-20 Roger Sayle <roger@eyesopen.com>
5687 PR middle-end/26236
5688 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5689 deprecated CHAR_TYPE tree code.
5691 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5693 * configure.ac (target_list): Add install-info, dvi, html.
5694 * configure: Regenerate.
5696 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5697 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5698 treelang/Make-lang.in: Do not use double-colon rules.
5700 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5702 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5703 (TMT_USED_ALONE): New macro.
5704 * tree-pass.h (PROP_tmt_usage): New property.
5705 (TODO_update_tmt_usage): New todo.
5706 * tree-ssa-alias.c (updating_used_alone): New variable.
5707 (recalculate_used_alone): New function.
5708 (compute_may_aliases): Set updating_used_alone, call
5709 recalculate_used_alone.
5710 * tree-sra.c (pass_sra): Note that this pass destroys
5711 PROP_tmt_usage, and add TODO_update_tmt_usage.
5712 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5713 * tree-flow.h (updating_used_alone): Prototype.
5714 (recalculate_used_alone): Ditto.
5715 * passes.c (execute_todo): Add code to set updating_used_alone,
5716 and call recalculate.
5717 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5718 for clobber if used alone, and add assert to verify used_alone
5719 status.
5721 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5723 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5724 for non tls symbols added.
5725 (legitimize_address): Do nothing for PLUS expressions if one of the
5726 addends is a tls symbol reference.
5728 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5730 PR bootstrap/25476
5732 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5734 * Makefile.in (BOOTSTRAPPING): New.
5735 (quickstrap): New definition if BOOTSTRAPPING=yes.
5737 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5738 * configure.ac: Substitute all_selected_languages with the languages
5739 that were configured. For all the other variables except
5740 lang_specs_files, include all the languages in the tree.
5741 * configure: Regenerate.
5743 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5744 if there is one. Run the commands to run fixincludes in the same
5745 subshell.
5747 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5748 * doc/install.texi: Document exact conventions for searching target tools.
5749 Document --with-build-time-tools. Document toplevel bootstrap. Document
5750 something more about building an Ada cross-compiler. Don't list GNU Make
5751 requirements which affect all platforms.
5753 2006-02-19 Roger Sayle <roger@eyesopen.com>
5755 PR middle-end/19543
5756 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5757 only equivalent if the have both the same mode and precision.
5759 2006-02-20 Ben Elliston <bje@au.ibm.com>
5761 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5763 2006-02-19 Roger Sayle <roger@eyesopen.com>
5764 Steven Bosscher <stevenb.gcc@gmail.com>
5766 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5767 constant pool references to identify stack mode constants.
5768 * rtlanal.c (constant_pool_constant_p): New predicate to check
5769 whether operand is a floating point constant in the pool.
5770 * rtl.h (constant_pool_constant_p): Prototype here.
5771 * loop.c (scan_loop): Avoid hoisting constants from the constant
5772 pool on STACK_REGS targets.
5773 (load_mems): Likewise.
5774 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5775 loads into x87 registers expensive in terms of register pressure.
5777 2006-02-19 Roger Sayle <roger@eyesopen.com>
5779 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5780 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5782 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5784 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5785 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5787 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5789 * doc/invoke.texi: Document -fipa-pta.
5790 * common.opt: Add ipa-pta option.
5791 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5792 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5793 (do_ds_constraint): Ditto.
5794 (get_constraint_for): Only add to referenced_vars if
5795 referenced_vars exists.
5796 (insert_into_field_list): Rewrite to do this unsorted.
5797 (insert_into_field_list_sorted): Rename old insert_into_field_list
5798 to this.
5799 (create_function_info_for): Use insert_into_field_list_sorted.
5800 (create_variable_info_for): Rewrite so it uses unsorted version,
5801 since the field list is sorted.
5802 (intra_create_variable_infos): Only add to referenced_vars if
5803 referenced_vars exists.
5804 (ipa_pta_execute): Init heapvars, and delete when done.
5805 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5807 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5809 * doc/install.texi: Add missing `@samp'.
5811 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5813 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5814 Use the arguments.
5816 2006-02-18 Mark Wielaard <mark@klomp.org>
5818 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5819 who added new 4.1 features, bug fixes and integration support.
5821 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5823 PR target/26350
5824 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5825 MEM for ABI_V4 pic.
5827 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5829 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5830 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5831 (copy_insn_1): Likewise. Don't copy each field individually.
5832 Reindent.
5833 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5834 of RTX_SIZE.
5835 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5836 * rtl.c (rtx_size): Rename variable to...
5837 (rtx_code_size): ...this.
5838 (rtx_size): New function.
5839 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5840 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5841 Reindent.
5842 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5843 * rtl.h (rtx_code_size): New variable.
5844 (rtx_size): Change from a variable to a function.
5845 (RTX_SIZE): Rename to...
5846 (RTX_CODE_SIZE): ...this.
5848 PR target/9703
5849 PR tree-optimization/17106
5850 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5851 (Anchored Addresses): New section.
5852 * doc/invoke.texi (-fsection-anchors): Document.
5853 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5854 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5855 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5856 * hooks.c (hook_bool_mode_rtx_false): New function.
5857 * hooks.h (hook_bool_mode_rtx_false): Declare.
5858 * gengtype.c (create_optional_field): New function.
5859 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5860 SYMBOL_REF_IN_BLOCK_P is true.
5861 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5862 (min_anchor_offset, max_anchor_offset): Likewise.
5863 (use_anchors_for_symbol_p): New hook.
5864 * toplev.c (compile_file): Call output_object_blocks.
5865 (target_supports_section_anchors_p): New function.
5866 (process_options): Check that -fsection-anchors is only used on
5867 targets that support it and when -funit-at-a-time is in effect.
5868 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5869 if the decl doesn't have one.
5870 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5871 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5872 of force_const_mem through use_anchored_address.
5873 (expand_expr_constant): New function.
5874 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5875 calling expand_expr for INDIRECT_REF.
5876 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5877 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5878 * expr.h (use_anchored_address): Declare.
5879 * loop-unroll.c: Don't declare rtx vectors here.
5880 * explow.c: Include output.h.
5881 (validize_mem): Call use_anchored_address.
5882 (use_anchored_address): New function.
5883 * common.opt (-fsection-anchors): New switch.
5884 * varasm.c (object_block_htab, anchor_labelno): New variables.
5885 (hash_section, object_block_entry_eq, object_block_entry_hash)
5886 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5887 (use_blocks_for_decl_p, change_symbol_section): New functions.
5888 (get_variable_section): New function, split out from assemble_variable.
5889 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5890 use_blocks_for_decl_p say so. Use change_symbol_section if the
5891 symbol has already been created.
5892 (assemble_variable_contents): New function, split out from...
5893 (assemble_variable): ...here. Don't output any code for
5894 block symbols; just pass them to place_block_symbol.
5895 Use get_variable_section and assemble_variable_contents.
5896 (get_constant_alignment, get_constant_section, get_constant_size): New
5897 functions, split from output_constant_def_contents.
5898 (build_constant_desc): Create a block symbol if use_object_blocks_p
5899 says so. Or into SYMBOL_REF_FLAGS.
5900 (assemble_constant_contents): New function, split from...
5901 (output_constant_def_contents): ...here. Don't output any code
5902 for block symbols; just pass them to place_section_symbol.
5903 Use get_constant_section and get_constant_alignment.
5904 (force_const_mem): Create a block symbol if use_object_blocks_p and
5905 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5906 (output_constant_pool_1): Add an explicit alignment argument.
5907 Don't switch sections here.
5908 (output_constant_pool): Adjust call to output_constant_pool_1.
5909 Switch sections here instead. Don't output anything for block symbols;
5910 just pass them to place_block_symbol.
5911 (init_varasm_once): Initialize object_block_htab.
5912 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5913 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5914 (place_block_symbol, get_section_anchor, output_object_block)
5915 (output_object_block_htab, output_object_blocks): New functions.
5916 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5917 (TARGET_ASM_OUT): Include it.
5918 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5919 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5920 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5921 (TARGET_INITIALIZER): Include them.
5922 * rtl.c (rtl_check_failed_block_symbol): New function.
5923 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5924 (block_symbol, object_block): New structures.
5925 (rtx_def): Add a block_symbol field to the union.
5926 (BLOCK_SYMBOL_CHECK): New macro.
5927 (rtl_check_failed_block_symbol): Declare.
5928 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5929 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5930 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5931 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5932 * output.h (output_section_symbols): Declare.
5933 (object_block): Name structure.
5934 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5935 (default_use_anchors_for_symbol_p): Declare.
5936 * Makefile.in (RTL_BASE_H): Add vec.h.
5937 (explow.o): Depend on output.h.
5938 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5939 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5940 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5941 (rs6000_use_blocks_for_constant_p): New function.
5943 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5945 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5947 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5949 PR tree-opt/25680
5950 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5951 IMAGPART_EXPR.
5953 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5955 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5956 is_aliased.
5957 Update all users.
5959 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5961 PR middle-end/26334
5962 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5963 instead of DECL_REGISTER.
5965 2006-02-18 Olivier Hainque <hainque@adacore.com>
5967 PR ada/13408
5968 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5970 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5972 PR target/24837
5973 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5974 * opth-gen.awk: Handle Var and InverseMask together.
5975 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5976 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5977 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5978 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5979 used together.
5980 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5981 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5982 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5983 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5984 LINUX_DYNAMIC_LINKER): Define.
5985 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5986 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5987 TARGET_GLIBC.
5988 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5989 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5990 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5992 (TARGET_C99_FUNCTIONS): Don't define.
5993 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5994 GLIBC_DYNAMIC_LINKER.
5995 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5996 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5997 GLIBC_DYNAMIC_LINKER64): Define.
5998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5999 LINUX_DYNAMIC_LINKER64.
6000 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6001 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6002 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6003 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6004 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6005 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6006 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6007 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6008 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6009 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6010 and LINUX_DYNAMIC_LINKER32.
6011 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6012 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6013 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6015 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6016 TARGET_GLIBC.
6017 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6018 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6019 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6020 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6021 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6022 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6023 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6024 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6025 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6026 LINUX_DYNAMIC_LINKER): Define.
6027 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6028 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6029 GLIBC_DYNAMIC_LINKER64): Define.
6030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6031 LINUX_DYNAMIC_LINKER64.
6032 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6033 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6034 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6035 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6036 LINUX_DYNAMIC_LINKER): Define.
6037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6038 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6039 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6040 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6041 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6042 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6043 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6044 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6045 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6046 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6047 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6048 * doc/invoke.texi (-muclibc): Remove caveat about supported
6049 targets.
6051 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6053 * doc/cpp.texi (__TIMESTAMP__): Document.
6055 2006-02-17 Roger Sayle <roger@eyesopen.com>
6057 PR middle-end/25600
6058 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6059 C is one less than the width of X (and related transformations).
6060 * simplify-rtx.c (simplify_unary_operation_1): Transform
6061 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6062 depending on STORE_FLAG_VALUE, were C is one less then the
6063 width of X.
6065 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6067 Fix PR tree-optimization/26341
6068 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6069 about NAME_MEMORY_TAG's.
6071 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6073 PR target/26255
6074 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6075 with hardware float support, and software float support. Add fcpy
6076 alternative to hardware patterns. Add alternatives to copy between
6077 general and floating-point registers to the 32-bit pattern.
6078 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6079 secondary reload to load a QI or HI mode constant into a floating
6080 point register.
6081 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6082 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6084 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6086 PR target/26272
6087 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6088 pc to the pattern.
6089 (load_macho_picbase_di): Likewise.
6091 2006-02-16 Jeff Law <law@redhat.com>
6093 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6094 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6095 (ssa_name_nonzero_p): Likewise.
6096 (get_value_range): Return NULL if VRP is not running.
6097 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6098 VRP routines do not discover a range.
6099 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6100 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6101 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6102 (tree_expr_nonnegative_p): Similarly.
6103 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6104 (restore_nonzero_vars_to_original_value): Remove.
6105 (unsafe_associative_fp_binop): Remove.
6106 (tree_ssa_dominator_optimize): Remove initialization and
6107 finalization of nonzero_vars and nonzero_vars_stack.
6108 (dom_opt_initialize_block): No longer push marker on
6109 nonzero_vars_stack.
6110 (dom_opt_finalize_block): No longer call
6111 restore_nonzero_vars_to_original_value.
6112 (record_equivalences_from_phis): No longer look for
6113 nonzero PHI arguments.
6114 (cprop_into_successor_phis): No longer propagate nonzero
6115 property into PHI arguments. Lose unused argument. Caller
6116 updated.
6117 (record_equivalences_from_stmt): No longer record nonzero
6118 values for SSA_NAMEs.
6119 (lookup_avail_expr): No longer use nonzero_vars.
6121 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6122 for sizetype when sizetype is unsigned.
6124 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6126 PR rtl-optimization/25603
6127 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6128 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6129 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6130 with new meaning of SETS.
6132 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6134 PR target/20353
6135 PR target/24578
6136 PR target/24837
6137 * config/linux.opt: New file.
6138 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6139 LINUX_DYNAMIC_LINKER): Define.
6140 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6141 * config.gcc (*-*-linux*): Define extra_options.
6142 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6143 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6144 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6145 GLIBC_DYNAMIC_LINKER.
6146 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6147 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6148 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6150 * doc/invoke.texi (GNU/Linux Options): New section.
6152 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6154 * config/sparc/sparc.md (setjmp): Rewrite.
6155 (setjmp_32): Delete.
6156 (setjmp_64): Likewise.
6158 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6160 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6161 previous change.
6163 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6165 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6166 read-write uses.
6168 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6170 PR rtl-optimization/26296
6171 * Makefile.in (loop-invariant.c): Add except.h dependency.
6172 * loop-invariant.c: Include except.h.
6173 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6175 2005-02-16 Paul Brook <paul@codesourcery.com>
6177 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6178 for reloads.
6180 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6182 PR rtl-optimization/25636
6183 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6184 when deciding whether an insn is an initializing insn.
6186 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6188 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6189 (tree_code_size): Ditto.
6190 * tree.h (struct tree_memory_tag): Remove parent_var.
6191 (struct tree_struct_field_tag): New.
6192 (SFT_OFFSET): New.
6193 (SFT_SIZE): New.
6194 (union tree_node): Add sft member.
6195 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6196 specially here.
6197 (create_sft): Add size and offset argument, set SFT_OFFSET and
6198 SFT_SIZE.
6199 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6200 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6201 * tree-flow-inline.h (get_subvar_at): Update for
6202 SFT_OFFSET/SFT_SIZE.
6203 (var_can_have_subvars): Ditto.
6204 (overlap_subvar): Ditto.
6205 * print-tree.c (print_node): Print out interesting things for
6206 SFT's.
6207 * tree-flow.h (struct subvar): Remove offset and size members.
6208 * tree-ssa-operands.c (get_expr_operands): Update for
6209 get_indirect_ref_operands changes.
6210 (get_indirect_ref_operands): Call add_virtual_operand instead of
6211 add_stmt_operand. Only recurse on base var if requested.
6212 (access_can_touch_variable): New function.
6213 (add_stmt_operand): Split virtual operand handling into ...
6214 (add_virtual_operand): Here. Add offset, size, and for_clobber
6215 arguments. Prune alias sets.
6216 (add_call_clobber_ops): Call add_virtual_operand.
6218 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6220 PR middle-end/26300
6221 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6223 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6224 than TREE_CODE as index into omp_clause_num_ops array.
6226 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6228 PR rtl-optimization/26184
6229 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6230 uses_of_defs.
6231 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6232 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6233 must_precede, must_follow and tobe_scheduled.
6235 PR other/26147
6236 * opts.c (common_handle_option): Free new_option pointer.
6237 * df-core.c (df_analyze): Free postorder pointer.
6239 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6241 * Makefile.in: Fix the examples about the use of stamps
6243 2006-02-15 Michael Matz <matz@suse.de>
6245 PR middle-end/22275
6247 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6248 influenced by maximum_field_alignment or DECL_PACKED.
6249 (update_alignment_for_field): Ditto.
6250 (place_field): Ditto.
6251 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6252 this behaviour.
6254 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6256 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6257 (debug_flow_info): Pass it.
6258 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6259 * bb-reorder.c (reorder_basic_blocks): Likewise.
6260 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6261 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6262 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6263 * gcse.c (gcse_main, bypass_jumps): Likewise.
6264 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6265 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6266 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6267 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6268 * rtl.h (dump_flow_info): Adjust prototype.
6269 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6270 * var-tracking.c (variable_tracking_main): Likewise.
6271 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6272 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6273 options.
6275 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6277 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6278 construction.
6280 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6282 PR tree-optimization/26209
6283 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6284 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6285 eh edges.
6286 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6288 2006-02-14 Roger Sayle <roger@eyesopen.com>
6290 PR middle-end/23670
6291 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6292 (X,Y) and the corresponding symmetry related transformations.
6293 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6294 (X,Y) and its symmetry related transformations.
6296 2006-02-14 Roger Sayle <roger@eyesopen.com>
6298 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6299 and GEU.
6301 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6303 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6305 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6307 PR bootstrap/26053
6308 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6309 support COMDAT group.
6310 * configure: Regenerate.
6312 2006-02-14 Roger Sayle <roger@eyesopen.com>
6314 PR middle-end/26279
6315 PR middle-end/26280
6316 PR middle-end/26283
6317 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6319 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6321 Fix PR tree-optimization/26260
6323 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6324 param.
6325 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6326 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6327 * tree-ssa-structalias.c (create_variable_info_for): Use
6328 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6330 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6332 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6333 Document.
6334 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6335 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6336 of the ending condition.
6337 * tree-ssa-loop-manip.c: Include params.h.
6338 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6339 tree_unroll_loop): New functions.
6340 * tree-pass.h (pass_loop_prefetch): Declare.
6341 * loop.c (rest_of_handle_loop_optimize): Test for
6342 -fprefetch-loop-arrays-rtl.
6343 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6344 * timevar.def (TV_TREE_PREFETCH): New timevar.
6345 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6346 pass_loop_prefetch): New.
6347 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6348 (cleanup_tree_cfg_loop): Call scev_reset.
6349 * common.opt (fprefetch-loop-arrays-rtl): Add.
6350 * tree-ssa-loop-prefetch.c: New file.
6351 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6352 (new_temp_expr_table): Initialize expr_vars.
6353 (free_temp_expr_table): Cleanup expr_vars.
6354 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6355 expressions from being merged into one.
6356 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6357 (struct tree_niter_desc): Add control, bound and cmp fields.
6358 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6359 Declare.
6360 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6361 (tree-cfgcleanup.o): Add SCEV_H dependency.
6362 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6363 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6365 2006-02-14 Richard Guenther <rguenther@suse.de>
6367 PR tree-optimization/26258
6368 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6369 in PHI argument processing.
6371 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6373 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6374 new expression in the requested machine mode.
6376 2006-02-13 Roger Sayle <roger@eyesopen.com>
6378 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6379 directly, instead let do_compare_rtx_and_jump handle this for us.
6380 * expr.c (expand_expr_real_1): Likewise.
6381 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6382 before do_jump_by_parts_greater.
6383 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6384 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6386 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6388 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6390 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6392 PR rtl-optimization/26235
6393 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6394 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6395 format.
6397 2006-02-13 Jeff Law <law@redhat.com>
6399 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6400 TRUTH_XOR_EPR.
6402 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6404 PR middle-end/26092
6405 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6406 twice if decl is a builtin. When trying again, call get_callee_fndecl
6407 first to verify it is still a builtin.
6409 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6411 * dwarf2out.c (base_type_die): Don't add AT_name here.
6412 (subrange_type_die): Don't add AT_name here.
6413 (modified_type_die): Rearrange code flow. Do add AT_name here.
6415 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6417 PR rtl-optimization/26247
6418 PR rtl-optimization/26248
6419 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6421 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6423 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6424 * config/fixtfdi.c: Likewise.
6425 * config/fixunstfdi.c: Likewise.
6426 * config/floatditf.c: Likewise.
6428 2006-02-13 Roger Sayle <roger@eyesopen.com>
6430 PR middle-end/24427
6431 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6432 into (X,C2) if C1 is a subset of the bits of C2. Transform
6433 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6434 (X&(C1&~C2))|C2.
6435 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6437 2006-02-13 Josh Conner <jconner@apple.com>
6439 PR target/25376
6440 * varasm.c (function_section): Check for section name before
6441 calling select_section on targets that define
6442 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6443 unlikely_text_section instead of hot_function_section if
6444 first_function_block_is_cold.
6446 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6448 PR middle-end/25335
6449 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6451 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6453 PR rtl-optimization/26222
6454 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6455 after tree->rtl expansion.
6456 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6457 before passing it to emit_move_insn.
6459 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6461 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6462 default.
6463 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6464 Clarify documentation.
6465 * c-common.h (warn_write_strings): Remove.
6466 * c-common.c (warn_write_strings): Likewise.
6467 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6468 default for C++.
6470 2006-02-12 Roger Sayle <roger@eyesopen.com>
6472 PR middle-end/25724
6473 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6474 (do_jump_parts_zero_rtx): New function renamed from
6475 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6476 (do_jump_parts_equality_rtx): New function split out from
6477 do_jump_parts_equality. Old implementation renamed as above.
6478 Call do_jump_parts_zero_rtx if either operand is zero.
6479 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6480 do all of the heavy lifting.
6481 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6482 calling either do_jump_by_parts_greater_rtx or
6483 do_jump_by_parts_equality_rtx.
6484 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6485 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6486 moved to do_compare_rtx_and_jump, call it directly.
6487 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6488 mode argument. Call do_compare_rtx_and_jump.
6489 (emit_case_nodes): Update calls to do_jump_if_equal.
6491 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6493 PR rtl-optimization/26225
6494 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6496 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6498 PR rtl-optimization/26232
6499 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6501 2006-02-11 Jason Merrill <jason@redhat.com>
6503 PR tree-opt/24365
6504 * tree-inline.c (declare_return_variable): Just don't use the
6505 modify target if it's a gimple complex reg and the return slot
6506 isn't.
6508 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6510 * doc/contrib.texi: Update my entry.
6512 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6514 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6516 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6518 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6519 expensive.
6521 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6523 * doc/invoke.texi (-floop-optimize2): Removed.
6524 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6525 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6526 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6527 * common.opt (floop-optimize2): Removed.
6528 (fmove-loop-invariants): Enabled by default.
6530 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6532 * tree-if-conv.c (combine_blocks): Free the result of
6533 get_loop_exit_edges.
6535 2006-02-10 Jeff Law <law@redhat.com>
6537 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6539 PR tree-optimization/26213
6540 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6541 loop trying to follow SSA_NAME_VALUE chains.
6543 2006-02-10 Richard Guenther <rguenther@suse.de>
6545 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6546 deal with structures that end in implicitly variable sized arrays.
6548 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6550 PR rtl-optimization/24762
6551 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6552 eh edges.
6554 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6556 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6557 (struct ivopts_data): Add regs_used field.
6558 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6559 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6560 instead of loop_data->regs_used;
6561 (free_loop_data): Do not free aux fields for loops.
6562 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6563 and tree_ssa_iv_optimize_finalize.
6565 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6567 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6569 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6571 PR target/26141
6572 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6573 computing the effective result type.
6575 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6577 PR inline-asm/16194
6578 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6579 (tree_overlaps_hard_reg_set): Declare.
6580 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6581 type and signature to match function type expected by walk_tree.
6582 (tree_overlaps_hard_reg_set): New function.
6583 (decl_conflicts_with_clobbers_p): Rename to:
6584 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6585 Use tree_overlaps_hard_reg_set. Changed caller.
6586 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6587 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6588 * cris.c (cris_md_asm_clobbers): Likewise.
6590 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6592 * reload1.c (emit_input_reload_insns): Delete code that tries to
6593 inherit using find_equiv_reg.
6595 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6597 * c-common.h (flag_const_strings): Don't declare.
6598 * c-common.c (flag_const_strings): Remove.
6599 * c.opt (fconst_strings): Remove.
6600 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6601 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6602 (c_common_init_options): Don't set flag_const_strings.
6603 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6605 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6607 * arm.md (tlobits_cbranch): New pattern.
6608 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6609 testing a single bit.
6611 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6613 PR tree-opt/26179
6614 * tree-ssa-pre.c (create_component_ref_by_pieces):
6615 Handle RETURN_DECL like VAR_DECL.
6617 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6619 PR middle-end/26134
6620 * fold-const.c (fold_indirect_ref_1): Fold
6621 "*(foo *)&complexfoo" to "__real__ complexfoo"
6622 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6624 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6626 * tree-flow-inline.h (var_can_have_subvars):
6627 Volatile variables should not have subvariables.
6629 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6631 PR 26180
6632 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6633 multiplying unsigned values.
6634 Tidy comments.
6636 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6638 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6640 2006-02-08 Jason Merrill <jason@redhat.com>
6642 PR c++/25979
6643 * tree.def: Elaborate on difference from MODIFY_EXPR.
6644 * doc/c-tree.texi (INIT_EXPR): Likewise.
6645 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6646 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6647 (gimplify_target_expr): Likewise.
6648 (gimplify_cond_expr): Remove target handling.
6649 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6650 (gimplify_expr): Clobber it here.
6651 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6652 Do return slot optimization if we have an INIT_EXPR.
6654 PR tree-opt/24365
6655 * tree-inline.c (declare_return_variable): Also clear
6656 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6658 PR c++/16405
6659 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6661 PR middle-end/22439
6662 * gimplify.c (gimplify_one_sizepos): Fix typo.
6664 2006-02-08 Jeff Law <law@redhat.com>
6666 PR tree-optimization/21417
6667 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6668 across a backedge if the control statement at the end of the
6669 block is data dependent on other statements in the same block.
6670 (record_temporary_equivalences_from_stmts): Remove over-conservative
6671 test for threading across backedges.
6673 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6674 control statement, handle all three special cases in the same
6675 manner as they all have the same desired solution. No longer
6676 special case edge flag updating when the post dominator is
6677 the exit block.
6679 2006-02-08 Roger Sayle <roger@eyesopen.com>
6681 * tree.def (CHAR_TYPE): Remove.
6682 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6683 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6684 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6685 (gen_string_type_die): Delete unreachable function.
6687 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6688 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6689 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6690 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6691 * builtins.c (type_to_class): Likewise.
6692 * fold-const.c (fold_convert, build_range_check,
6693 merge_ranges): Likewise.
6694 * expr.c (count_type_elements): Likewise.
6695 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6696 * stor-layout.c (layout_type): Likewise.
6697 * ipa-type-escape.c (type_to_consider): Likewise.
6698 * gimplify.c (omp_firstprivatize_type_sizes,
6699 gimplify_type_sizes): Likewise.
6700 * explow.c (promote_mode): Likewise.
6701 * tree-sra.c (is_sra_scalar_type): Likewise.
6702 * varasm.c (output_constant): Likewise.
6703 * tree-inline.c (remap_type_1): Likewise.
6704 * convert.c (convert_to_pointer, convert_to_real,
6705 convert_to_integer, convert_to_complex): Likewise.
6707 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6709 * df-scan.c (df_def_record_1): A set destination may
6710 be a parallel regardless of mode.
6712 2006-02-08 Roger Sayle <roger@eyesopen.com>
6714 PR target/22209
6715 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6716 * config/mips/_tilib.c: Remove.
6717 * config/fixtfdi.c: New libgcc source file.
6718 * config/fixunstfdi.c: New source file.
6719 * config/floatditf.c: New source file.
6720 * config/floatunditf.c: New souce file.
6721 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6722 files above instead of config/mips/_tilib.c.
6723 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6725 2006-02-08 Jeff Law <law@redhat.com>
6727 PR tree-optimization/26169
6728 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6729 threading jumps.
6731 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6733 * df.h (DF_REG_SIZE): Return the length of the initialized
6734 part of the array.
6736 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6738 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6739 __muldf3): Return a correctly signed zero.
6741 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6743 * passes.c (register_one_dump_file): Accept the current properties
6744 instead of pass number. Adjust call to dump_register. Remove
6745 duplicated code.
6746 (register_dump_files): Now a wrapper around...
6747 (register_dump_files_1): ... this one. Do not modify the pass
6748 structure.
6749 (next_pass_1): Cosmetic fix.
6750 (execute_todo): Keep second parameter only. Use curr_properties
6751 instead of fetching it from the pass structure. Check and set
6752 last_verified.
6753 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6754 instead of fetching it from the pass structure. Fix calls to
6755 execute_todo. Update curr_properties and initialize .vcg RTL dump
6756 after running the pass. Reset last_verified.
6757 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6758 at the beginning.
6759 (FIRST_AUTO_NUMBERED_DUMP): New.
6760 (dump_register): Remove "num" parameter, assign it within the
6761 function.
6762 (get_dump_file_name): Modify template for dumps.
6763 * tree-dump.h (dump_register): Adjust prototype.
6764 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6765 (PROP_trees): Add PROP_gimple_lomp.
6766 (TODO_set_props): New.
6767 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6768 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6769 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6771 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6773 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6774 (sparc64-*-linux*): Likewise.
6775 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6776 * config/sparc/t-linux: New file.
6777 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6778 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6779 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6780 -m32 -mlong-double-128.
6782 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6783 * config/alpha/t-linux: New file.
6784 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6786 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6787 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6788 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6789 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6790 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6791 (CPP_ARCH32_SPEC): Remove.
6793 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6795 PR tree-optimization/26145
6796 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6797 bbs pointer.
6799 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6801 PR target/26109
6802 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6803 >= 240000 when generating code for SOM runtime.
6804 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6805 to $$dyncall when generating code for SOM runtime..
6807 2006-02-07 Dirk Mueller <dmueller@suse.com>
6809 PR c++/18150
6810 * doc/invoke.texi (-Wsequence-point): Update documentation
6811 that -Wsequence-point is implemented for C++ as well.
6813 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6815 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6816 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6817 (LIB_SPEC): Likewise.
6818 * doc/invoke.texi (SPARC options): Document -pthread.
6820 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6822 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6823 PIC addresses.
6825 2006-02-07 Roger Sayle <roger@eyesopen.com>
6827 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6828 Correct comment describing BOOLEAN_TYPE.
6830 2006-02-07 Dirk Mueller <dmueller@suse.com>
6832 * c.opt: C++ frontend supports -Wdiv-by-zero.
6833 * c-opts.c (c_common_handle_option): Remove dead case.
6835 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6837 * configure.ac (TLS assembler check): Do not enable TLS by
6838 default on SPARC/Solaris before version 10.
6839 * configure: Regenerate.
6841 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6843 * doc/invoke.texi (xl-compat): Document conversion and support
6844 routine names.
6846 2006-02-07 Jeff Law <law@redhat.com>
6848 * tree-vrp.c (find_conditional_asserts): Update comments.
6849 (simplify_stmt_for_jump_threading): New.
6850 (identify_jump_threads, finalize_jump_threads): New.
6851 (vrp_finalize): Call identify_jump_threads.
6852 (execute_vrp): Call finalize_jump_threads.
6853 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6854 (vrp_element, vrp_data, vrp_element_p): Remove.
6855 (vrp_hash_elt, vrp_variables_stack): Remove.
6856 (vrp_hash, vrp_eq, record_range): Remove.
6857 (simplify_cond_and_lookup_avail_expr): Remove.
6858 (extract_range_from_cond): Remove.
6859 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6860 (simplify_stmt_for_jump_threading): New.
6861 (dom_thread_across_edge): New wrapper.
6862 (tree_ssa_dominator_optimize): No longer initialize or
6863 finalize any of the VRP datastructures. Remove iteration
6864 step and simplify as a result of removal of iteration step.
6865 (pass_dominator): Perform a cfg cleanup after DOM.
6866 (dom_opt_finalize_block): Use the new common routines
6867 for threading jumps. Simplify stack management slightly.
6868 No longer need to unwind VRP state.
6869 (record_equivalences_from_incoming_edge): No longer record
6870 VRP information.
6871 (eliminate_redundant_computations): No longer call
6872 simplify_cond_and_lookup_avail_expr.
6873 * tree-flow.h (potentially_threadable_block): Prototype.
6874 (thread_across_edge): Likewise.
6875 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6876 (tree-ssa-threadedge.o): Add dependencies.
6877 * tree-ssa-threadedge.c: New file.
6878 * passes.c (init_optimization_passes): Merge PHIs before
6879 calling VRP. Run VRP again late in the SSA optimization pipeline.
6881 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6883 * df-core.c (df_set_blocks): Do not dereference function pointers.
6884 (df_finish1): Likewise.
6885 (df_hybrid_search_forward): Likewise.
6886 (df_hybrid_search_backward): Likewise.
6887 (df_iterative_dataflow): Likewise.
6888 (df_analyze_problem): Likewise.
6889 (df_compact_blocks): Likewise.
6890 (df_dump): Likewise.
6891 * df-scan.c (df_rescan_blocks): Likewise.
6892 (df_record_entry_block_defs): Likewise.
6894 * genconditions.c (write_conditions): Guard the definition of
6895 'insn_conditions' with the check on GCC version.
6896 (write_writer): Guard the traversal 'insn_conditions' with
6897 the check on GCC version.
6899 2006-02-07 Richard Guenther <rguenther@suse.de>
6901 PR c++/26140
6902 Revert
6903 2006-01-30 Richard Guenther <rguenther@suse.de>
6904 PR c++/23372
6905 * gimplify.c (gimplify_target_expr): Handle easy cases
6906 without creating a temporary.
6908 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6910 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6911 use of float in probability computations. Use edge probabilities
6912 in place of statically computed probabilities.
6913 (min_spec_prob): New static variable.
6914 (schedule_insns): Initialize it.
6915 (GET_SRC_PROB): Removed.
6916 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6918 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6920 PR debug/24444
6921 * config/ia64/unwind-ia64.c: Revert last change.
6922 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6923 (INCOMING_FRAME_SP_OFFSET): Define.
6925 2006-02-06 Roger Sayle <roger@eyesopen.com>
6927 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6929 2006-02-07 Ben Elliston <bje@au.ibm.com>
6931 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6932 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6933 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6934 (ix86_return_in_memory): Handle TDmode.
6935 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6936 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6938 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6940 * reorg.c (dbr_schedule): Use dump_file instead of file.
6942 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6944 PR target/25917
6945 * config/ia64/predicates.md (extr_len_operand): New predicate.
6946 * config/ia64/ia64.md (extv): Tighten constraints.
6947 (extzv): Ditto.
6948 (*tbit_and_2): Ditto.
6949 (*tbit_and_3): Ditto.
6950 (*tbit_or_2): Ditto.
6951 (*tbit_or_3): Ditto.
6952 (*bit_zero): Ditto.
6953 (*bit_one): Ditto.
6955 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6957 PR target/23359
6958 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6960 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6962 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6963 loop_optimizer_init and loop_optimizer_finalize
6964 * tree-ssa-sink.c (execute_sink_code): Ditto.
6965 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6966 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6967 tree_ssa_loop_done): Ditto.
6968 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6969 * sched-ebb.c: Include output.h.
6970 (schedule_ebbs): Do not use dump argument.
6971 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6972 * loop.c (loop_dump_stream): Removed.
6973 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6974 argument.
6975 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6976 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6977 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6978 loop_iterations, strength_reduce, record_biv, record_giv,
6979 final_giv_value, check_final_value, check_ext_dependent_givs,
6980 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6981 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6982 dump_file instead of loop_dump_stream.
6983 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6984 argument dump_file.
6985 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6986 dump argument.
6987 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6988 * haifa-sched.c: Include output.h
6989 (schedule_insns, sched_init): Do not use dump argument.
6990 * mode-switching.c (optimize_mode_switching): Ditto.
6991 * modulo-sched.c (stats_file): Removed.
6992 (print_node_sched_params): Do not call argument dump_file.
6993 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6994 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6995 of stats_file.
6996 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6997 use dump argument.
6998 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6999 rtl_loop_init, rtl_loop_done): Ditto.
7000 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7001 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7002 Ditto.
7003 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7004 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7005 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7006 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7007 * emit-rtl.c (renumber_insns): Ditto.
7008 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7009 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7010 * regclass.c (regclass): Ditto.
7011 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7012 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7013 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7014 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7015 Ditto.
7016 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7017 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7018 to regclass.
7019 * gcse.c (gcse_file, debug_stderr): Removed.
7020 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7021 rest_of_handle_gcse): Do not use dump argument.
7022 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7023 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7024 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7025 compute_code_hoist_vbeinout, compute_code_hoist_data,
7026 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7027 compute_store_table, build_store_vectors, insert_insn_start_bb,
7028 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7029 store_motion): Use dump_file instead of gcse_file.
7030 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7031 * profile.c (profile_dump_file): Removed.
7032 (branch_prob): Use dump_file instead of profile_dump_file.
7033 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7034 dump_file.
7035 * tree-ssa-copy.c (dump_copy_of): Ditto.
7036 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7037 dump file to life_analysis.
7038 * bt-load.c (branch_target_load_optimize): Ditto.
7039 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7040 renumber_insns.
7041 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7042 regclass, dbr_schedule): Declaration changed.
7043 * sched-int.h (sched_init): Declaration changed.
7044 * tree-profile.c (tree_profile_dump_file): Removed.
7045 (tree_profile_hooks): Removed profile_dump_file hook.
7046 * rtl-profile (rtl_profile_dump_file): Removed.
7047 (rtl_profile_hooks): emoved profile_dump_file hook.
7048 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7049 changed.
7050 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7051 * tree-cfg.c (build_tree_cfg): Ditto.
7052 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7053 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7054 Declaration changed.
7055 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7056 life_analysis and schedule_insns.
7057 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7058 life_analysis.
7059 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7060 dbr_schedule.
7061 * config/mips/mips.c (mips_reorg): Ditto.
7062 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7063 schedule_ebbs.
7065 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7067 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7068 (s390_mangle_fundamental_type): New.
7069 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7070 Define.
7072 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7073 (alpha_mangle_fundamental_type): New.
7074 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7075 Define.
7077 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7078 Define.
7079 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7080 Define.
7081 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7082 (sparc_mangle_fundamental_type): New.
7084 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7086 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7087 (s390x-*-linux*): Likewise.
7088 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7089 * config/s390/t-linux: New file.
7091 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7093 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7094 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7096 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7098 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7099 (ANTIC_SAFE_LOADS): New macro.
7100 (find_or_generate_expression): Add prototype.
7101 (set_contains_value): Allow null set for sake of not always having
7102 to allocate ANTIC_SAFE_LOADS.
7103 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7104 Allow COMPONENT_REF too.
7105 (valid_in_set): Allow COMPONENT_REF.
7106 Check ANTIC_SAFE_LOADS too.
7107 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7108 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7109 rename.
7110 (can_PRE_operation): Add COMPONENT_REF.
7111 (create_component_ref_by_pieces): New function.
7112 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7113 (insert_aux): Move AGGREGATE_TYPE_P check here.
7114 (compute_avail): Set bb local stmt uids.
7115 (pass_pre): Use TODO_update_ssa_only_virtuals.
7117 2006-02-06 Ben Elliston <bje@au.ibm.com>
7119 * configure.ac: Unconditionally disable decimal float by default.
7120 * configure: Regenerate.
7122 2006-02-06 Ben Elliston <bje@au.ibm.com>
7124 * read-rtl.c (read_name): Terminate reading on EOF.
7126 2006-02-06 Ben Elliston <bje@au.ibm.com>
7128 * dfp.c (decimal_real_arithmetic): Change second argument type
7129 from int to enum tree_code. Do not always return true, but now
7130 return result of any call to decimal_do helper functions.
7131 * dfp.h (decimal_real_arithmetic): Update prototype.
7133 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7135 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7137 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7139 PR tree-opt/25251
7140 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7141 forced labels.
7143 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7145 * tree-vrp.c (cfg_loops): Removed.
7146 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7147 Use current_loops instead of cfg_loops. Pass flags to
7148 loop_optimizer_init.
7149 * cfgloopmanip.c (fix_loop_structure): Update only available
7150 information.
7151 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7152 loop_optimizer_init.
7153 * modulo-sched.c (build_loops_structure): Removed.
7154 (sms_schedule): Use loop_optimizer_init.
7155 * loop-init.c (loop_optimizer_init): Use flags to determine
7156 which properties of loops to prepare.
7157 (rtl_loop_init): Pass flags to loop_optimizer_init.
7158 * tree-ssa-sink.c (execute_sink_code): Ditto.
7159 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7160 * tree-ssa-pre.c (init_pre): Ditto.
7161 * cfgloop.h (LOOPS_NORMAL): New.
7162 (loop_optimizer_init): Declaration changed.
7164 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7166 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7167 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7168 pa/t-pa.
7169 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7170 pa/t-pa.
7171 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7172 pa/x-ada.
7173 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7174 * pa/t-pa64: Delete quadlib.c rule.
7175 * pa/x-ada: Revert last change.
7176 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7178 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7180 PR rtl-optimization/26087
7181 * rtlanal.c (canonicalize_condition): Do not cross basic block
7182 boundaries.
7184 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7186 PR debug/24444
7187 * config/ia64/ia64.c: Include debug.h.
7188 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7189 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7190 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7191 (process_epilogue, process_set, process_for_unwind_directive):
7192 Output unwind info only if requested. Add CFA info if requested.
7193 Add new arguments as needed. Adjust callers.
7194 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7195 incorrect default.
7196 (DWARF2_FRAME_INFO): Define to zero.
7197 * config/ia64/unwind-ia64.c: Remove code that compensated for
7198 the CFA offset error fixed above.
7199 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7200 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7201 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7202 -funwind-tables and -fexceptions to enable frame info.
7203 (dwarf2out_frame_init): Define initial CFA even if
7204 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7205 DWARF2_UNWIND_INFO is nonzero, not just defined.
7206 (dwarf2out_frame_finish): Output non-EH call frame info only
7207 if DWARF2_FRAME_INFO is nonzero.
7208 (convert_cfa_to_loc_list,
7209 compute_frame_pointer_to_cfa_displacement): Define even if
7210 unwind info is not supported.
7211 (gen_subprogram_die): Use the above unconditionally. Remove
7212 legacy alternate code.
7213 * toplev.c (compile_file): Compile in call to
7214 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7215 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7217 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7218 Jakub Jelinek <jakub@redhat.com>
7220 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7221 IBM extended float format long double as "g" on powerpc*-linux.
7223 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7225 PR target/25926
7226 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7227 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7229 2006-02-03 Jason Merrill <jason@redhat.com>
7231 PR c++/25979
7232 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7234 PR middle-end/25977
7235 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7236 on the return slot if it's an NRV.
7238 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7240 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7241 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7242 rewrite_use): Do not handle USE_OUTER.
7243 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7244 add_iv_outer_candidates, may_replace_final_value,
7245 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7246 (find_interesting_uses_op): Functionality of
7247 find_interesting_uses_outer_or_nonlin moved here.
7248 (find_interesting_uses_outside): Use find_interesting_uses_op.
7250 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7252 PR target/25960
7253 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7255 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7256 Ulrich Weigand <uweigand@de.ibm.com>
7258 PR target/25864
7259 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7260 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7261 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7262 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7263 and dxr fields.
7264 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7265 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7266 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7267 Define secondary reloads for TFmode moves.
7268 (constant_modes): Add TFmode.
7269 (NR_C_MODES): Set to 8.
7270 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7271 builtin define.
7272 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7273 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7274 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7275 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7276 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7277 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7278 (FPR mode macro): Add TFmode.
7279 (DSF mode macro): New.
7280 (<de>, <dee> mode attributes): Removed.
7281 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7282 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7283 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7284 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7285 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7286 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7287 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7288 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7289 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7290 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7291 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7292 "*negabs<mode>2", "sqrt<mode>2"):
7293 Changed <de> to <xde>. R constraint replaced by <Rf>.
7294 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7295 <Rf>.
7296 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7297 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7298 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7299 splitters.
7300 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7301 "extenddftf2", "extendsftf2"): New expanders.
7302 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7303 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7304 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7305 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7306 New options.
7307 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7308 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7309 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7310 __floatditf): Add a GCC_4.1.0 symbol version tag.
7311 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7312 the new options.
7314 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7316 PR target/25377
7317 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7318 Use targetm.binds_local_p instead of TREE_PUBLIC.
7320 2006-02-02 Roger Sayle <roger@eyesopen.com>
7322 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7323 on INTEGER_TYPEs to indicate that it denotes a character type.
7324 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7325 signed_char_type_node, unsigned_char_type_node and char_type_node.
7326 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7327 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7328 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7330 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7331 Daniel Berlin <dberlin@dberlin.org>
7333 * tree-tailcall.c (arg_needs_copy_p): New function.
7334 (eliminate_tail_call): Use arg_needs_copy_p.
7335 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7336 (add_virtual_phis): New function.
7338 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7340 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7341 #ignore instead of #scratch for %g7 .register directive.
7343 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7345 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7346 object files.
7348 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7350 * flow.c (calculate_global_regs_live): Assert that there aren't any
7351 EDGE_FAKE edges.
7353 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7355 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7356 what its name says.
7357 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7358 bsi_after_labels iterator.
7359 * tree-if-conv.c (find_phi_replacement_condition,
7360 replace_phi_with_cond_modify_expr): Likewise.
7361 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7362 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7364 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7366 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7368 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7370 PR 25990
7371 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7372 array after growing it.
7374 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7376 PR middle-end/24901
7377 * fold-const.c (fold_checksum_tree): Change type of buf.
7379 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7381 * reload.c (push_secondary_reload): Initialize t_icode.
7383 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7385 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7386 -msoft-float -mlong-double-128 only issue a warning, but don't
7387 swich to DFmode long double.
7389 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7391 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7392 has a constant equivalent, iterate over equivalents for arg0,
7393 calling simplify_relational_operation and if there's a result
7394 cheaper than X, apply fold_rtx and return the result.
7396 2006-02-01 Jan Hubicka <jh@suse.cz>
7398 * opts.c (no_unit_at_a_time_default): New global variable.
7399 (decode_options): Use it.
7400 * opts.h (no_unit_at_a_time_default): Declare.
7402 2006-02-01 Paul Brook <paul@codesourcery.com>
7404 * function.c (assign_parm_setup_reg): Use function argument promotion
7405 rules.
7406 * expr.c (expand_expr_real_1): Use function argument promotion rules
7407 for PARM_DECLs.
7409 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7411 * gcc.c (process_command): Change j to 'unsigned int'.
7413 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7415 PR middle-end/26001
7416 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7417 Use the corrected index for the character
7418 out of the string constant.
7420 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7422 * mode-switching.c (optimize_mode_switching): Fix size
7423 allocated for bb_info[n_entities].
7425 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7427 * gcc.c (main): Correct type that is allocated for
7428 explicit_link_files.
7430 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7432 * config/s390/s390.c (init_alignment_context): Set
7433 ALIAS_SET_MEMORY_BARRIER on the MEM.
7434 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7436 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7438 PR middle-end/25933
7439 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7440 dom_bbs pointer.
7441 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7442 call to tpa_init.
7444 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7446 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7447 * regrename.c: Ditto.
7448 * tree-ssa-loop-im.c: Ditto.
7449 * tree-dump.c: Ditto.
7450 * tree-complex.c: Ditto.
7451 * genrecog.c: Ditto.
7452 * tree-ssa-threadupdate.c: Ditto.
7453 * tracer.c: Ditto.
7454 * java/class.c: Ditto.
7455 * java/jcf-parse.c: Ditto.
7456 * java/resource.c: Ditto.
7457 * java/except.c: Ditto.
7458 * java/jvspec.c: Ditto.
7459 * java/jcf-write.c: Ditto.
7460 * java/jcf-path.c: Ditto.
7461 * java/gjavah.c: Ditto.
7462 * java/zextract.c: Ditto.
7463 * java/jcf-io.c: Ditto.
7464 * java/jcf.h: Ditto.
7465 * java/buffer.c: Ditto.
7466 * java/lang.c: Ditto.
7467 * java/parse-scan.y: Ditto.
7468 * java/lex.c: Ditto.
7469 * java/lex.h: Ditto.
7470 * cfgloopmanip.c: Ditto.
7471 * postreload-gcse.c: Ditto.
7472 * tree-ssa-loop-manip.c: Ditto.
7473 * postreload.c: Ditto.
7474 * tree-ssa-loop-ch.c: Ditto.
7475 * loop.c: Ditto.
7476 * ipa-cp.c: Ditto.
7477 * cppspec.c: Ditto.
7478 * diagnostic.c: Ditto.
7479 * final.c: Ditto.
7480 * genoutput.c: Ditto.
7481 * gcc.c: Ditto.
7482 * cfghooks.c: Ditto.
7483 * cfgloopanal.c: Ditto.
7484 * objc/objc-act.c: Ditto.
7485 * gcov.c: Ditto.
7486 * genextract.c: Ditto.
7487 * genautomata.c: Ditto.
7488 * pretty-print.c: Ditto.
7489 * genemit.c: Ditto.
7490 * cgraphunit.c: Ditto.
7491 * flow.c: Ditto.
7492 * df-scan.c: Ditto.
7493 * haifa-sched.c: Ditto.
7494 * dominance.c: Ditto.
7495 * dbxout.c: Ditto.
7496 * tree-ssa-loop-ivopts.c: Ditto.
7497 * df-core.c: Ditto.
7498 * mode-switching.c: Ditto.
7499 * modulo-sched.c: Ditto.
7500 * graph.c: Ditto.
7501 * ipa-pure-const.c: Ditto.
7502 * cse.c: Ditto.
7503 * fix-header.c: Ditto.
7504 * web.c: Ditto.
7505 * tree-stdarg.c: Ditto.
7506 * ipa-utils.c: Ditto.
7507 * loop-init.c: Ditto.
7508 * ipa-inline.c: Ditto.
7509 * cfganal.c: Ditto.
7510 * global.c: Ditto.
7511 * alloc-pool.c: Ditto.
7512 * dwarf2out.c: Ditto.
7513 * opts.c: Ditto.
7514 * genattrtab.c: Ditto.
7515 * tree-ssa-loop-ivcanon.c: Ditto.
7516 * predict.c: Ditto.
7517 * timevar.c: Ditto.
7518 * lcm.c: Ditto.
7519 * fortran/gfortranspec.c: Ditto.
7520 * regmove.c: Ditto.
7521 * local-alloc.c: Ditto.
7522 * langhooks.c: Ditto.
7523 * function.c: Ditto.
7524 * tree-vectorizer.c: Ditto.
7525 * gcse.c: Ditto.
7526 * ipa-type-escape.c: Ditto.
7527 * alias.c: Ditto.
7528 * tree-if-conv.c: Ditto.
7529 * profile.c: Ditto.
7530 * ipa.c: Ditto.
7531 * tree-data-ref.c: Ditto.
7532 * loop-unroll.c: Ditto.
7533 * treelang/treetree.c: Ditto.
7534 * calls.c: Ditto.
7535 * bt-load.c: Ditto.
7536 * ggc-common.c: Ditto.
7537 * except.c: Ditto.
7538 * coverage.c: Ditto.
7539 * cselib.c: Ditto.
7540 * tree-cfgcleanup.c: Ditto.
7541 * tree-ssa-pre.c: Ditto.
7542 * cfgcleanup.c: Ditto.
7543 * loop-invariant.c: Ditto.
7544 * loop-iv.c: Ditto.
7545 * ipa-prop.c: Ditto.
7546 * print-tree.c: Ditto.
7547 * conflict.c: Ditto.
7548 * ggc-page.c: Ditto.
7549 * sched-deps.c: Ditto.
7550 * regclass.c: Ditto.
7551 * tree-object-size.c: Ditto.
7552 * combine.c: Ditto.
7553 * bb-reorder.c: Ditto.
7554 * resource.c: Ditto.
7555 * var-tracking.c: Ditto.
7556 * cfgloop.c: Ditto.
7557 * df-problems.c: Ditto.
7558 * reg-stack.c: Ditto.
7559 * tlink.c: Ditto.
7560 * gccspec.c: Ditto.
7561 * sched-rgn.c: Ditto.
7562 * tree-ssa-structalias.c: Ditto.
7563 * tree-ssa-reassoc.c: Ditto.
7564 * config/darwin-c.c: Ditto.
7565 * config/darwin.c: Ditto.
7566 * config/arm/arm.c: Ditto.
7567 * cfgrtl.c: Ditto.
7568 * collect2.c: Ditto.
7569 * reload1.c: Ditto.
7571 2006-01-31 Nicolas Pitre <nico@cam.org>
7573 * arm.md (smaxsi3): Make aware of smax_m1.
7574 (smax_m1): New.
7576 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7578 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7580 2006-01-31 Richard Guenther <rguenther@suse.de>
7582 * doc/invoke.texi (-msselibm): Document.
7583 * target.h (expand_library_builtin): New target hook.
7584 * builtins.c (expand_builtin): Use expand_library_builtin.
7585 (default_expand_library_builtin): New function.
7586 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7587 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7588 (link_gcc_math_spec): Declare.
7589 (static_specs): Add link_gcc_math_spec.
7590 * expr.h (default_expand_library_builtin): Declare.
7591 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7592 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7593 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7594 * config/i386/i386.opt (msselibm): New target option.
7595 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7596 (ix86_init_sse_abi_builtins): New function.
7597 (ix86_expand_library_builtin): Likewise.
7598 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7599 (override_options): Handle error conditions wrt -msselibm.
7600 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7601 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7602 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7603 builtins.
7605 2006-01-31 Richard Guenther <rguenther@suse.de>
7606 Paolo Bonzini <bonzini@gnu.org>
7608 * doc/install.texi (--disable-libgcc-math): Document.
7610 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7612 * expr.h (expand_normal): new inline function.
7613 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7614 * dojump.c: use it.
7615 * dwarf2out.c: use it.
7616 * expr.c: use it.
7617 * calls.c: use it.
7618 * expmed.c: use it.
7619 * except.c: use it.
7620 * config/sparc/sparc.c: use it.
7621 * config/i386/i386.c: use it.
7622 * config/rs6000/rs6000.c: use it.
7623 * config/arm/arm.c: use it.
7624 * config/mips/mips.c: use it.
7625 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7627 2006-01-30 Roger Sayle <roger@eyesopen.com>
7629 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7630 argv to the appropriate type.
7632 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7634 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7635 unreachable code.
7637 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7639 PR target/26018
7640 * config/s390/s390.c (struct machine_function): New flag
7641 decomposed_literal_pool_addresses_ok_p.
7642 (s390_reorg): Set it before final stage of literal pool transforms.
7643 (s390_decompose_address): Only accept displacements of the form
7644 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7646 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7648 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7649 the comparison routine return.
7651 2006-01-30 Michael Matz <matz@suse.de>
7653 * global.c (find_reg): Only evict for global regs.
7654 Take n_refs into account and dump more info.
7656 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7658 PR target/14798:
7659 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7660 (pragma_trap, pragma_nosave_low_regs): Likewise.
7661 (current_function_anonymous_args): Likewise.
7662 (sh_deferred_function_attributes): New variable.
7663 (sh_deferred_function_attributes_tail): Likewise.
7664 (print_operand): For '@', look up trap_exit attribute.
7665 (calc_live_regs): Look up trapa_handler attribute. For trapa
7666 handlers, save/restore fpscr, but don't do any other
7667 interrupt-specific saves.
7668 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7669 Fix check for partially saved registers to check for SHmedia.
7670 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7671 (sh_output_function_epilogue): Don't clear any of the removed
7672 variables.
7673 (sh_insert_attributes): Don't check pragma_interrupt.
7674 Insert deferred attributes. Check that interrupt attribute is
7675 present for other attributes that require its presence.
7676 (sh_attribute_table): Add new attributes trapa_handler and
7677 nosave_low_regs.
7678 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7679 Don't check for pragma_interrupt. Don't store argument.
7680 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7681 (sh_deferred_function_attributes): Declare.
7682 (sh_deferred_function_attributes_tail): Likewise.
7683 * sh.md (sp_switch_1): Add operand. Change generator caller.
7684 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7685 (*return_i): Don't use when trap_exit attribute is in effect.
7686 (*return_trapa): New insn pattern.
7687 * sh-c.c: New file.
7688 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7689 setting c_target_objs and cxx_target_objs.
7690 * t-sh: Add rule for sh-c.o.
7692 2006-01-30 Richard Guenther <rguenther@suse.de>
7694 PR c++/23372
7695 * gimplify.c (gimplify_target_expr): Handle easy cases
7696 without creating a temporary.
7698 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7700 * vec.h (safe_grow): Remove duplicated line.
7702 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7704 PR 25874
7705 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7706 (expand_omp): ... here.
7707 (expand_omp_parallel): Only remove barriers for combined
7708 parallel+workshare constructs.
7710 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7712 Revert
7714 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7715 * tree.c (build_qualified_type): Chain the new type to the original
7716 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7717 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7718 (build_pointer_type_for_mode): Only return unqualified types.
7719 (build_reference_type_for_mode): Likewise.
7721 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7723 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7724 * Makefile.in (CXX_COMPAT_WARN): Define.
7725 * configure: Regenerate.
7727 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7729 PR tree-opt/25911
7730 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7731 to an if check.
7733 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7735 * toplev.c: Fix thinko.
7737 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7738 Marcin Dalecki <martin@dalecki.de>
7740 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7741 (push_srcloc): Use XNEW.
7742 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7744 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7746 * df-core.c (df_set_blocks): Deleted all variable.
7748 2006-01-28 Ian Lance Taylor <ian@airs.com>
7750 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7751 cgraph_output_pending_asms.
7753 2006-01-28 Zack Weinberg <zackw@panix.com>
7755 * c.opt: Add -W(no-)overlength-strings.
7756 * doc/invoke.texi: Document it.
7757 * c-opts.c (c_common_handle_option): -pedantic implies
7758 -Woverlength-strings, if not explicitly disabled already.
7759 (c_common_post_options): -Woverlength-strings defaults to off, and
7760 is always off for C++.
7761 * c-common.c (fix_string_type): Issue warning about strings longer
7762 than is portable only if warn_overlength_strings. Rearrange code
7763 a little for clarity.
7764 * configure.in: Check for -Wno-overlength-strings as well before
7765 enabling -pedantic in stage 1.
7766 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7767 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7769 * genconditions.c (write_header, write_one_condition)
7770 (write_conditions, write_writer): Consolidate very long strings
7771 that were broken up to fit in C89 portable limit. Don't use
7772 printf when fputs will do.
7774 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7776 * combine.c (simplify_comparison <AND>): Check
7777 TRULY_NOOP_TRUNCATION before start using a subreg.
7779 * config/mips/mips.md (*branch_zero<mode>,
7780 *branch_zero<mode>_inverted, *branch_equality<mode>,
7781 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7782 Remove mode check from comparisons.
7784 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7786 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7788 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7790 * expmed.c (const_mult_add_overflow_p): Remove.
7791 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7793 * recog.c (validate_replace_rtx_subexp): Remove.
7794 * recog.h: Remove the prototype for
7795 validate_replace_rtx_subexp.
7797 * integrate.h: Remove the prototype for
7798 copy_decl_for_inlining.
7799 * rtl.h: Remove the prototype for mark_constant_function.
7800 * tree-vectorizer.h: Remove the prototype for
7801 vect_strip_conversion.
7803 * modulo-sched.c (create_partial_schedule,
7804 free_partial_schedule, reset_partial_schedule): Make them
7805 static.
7807 * hooks.c (hook_bool_rtx_int_false): Remove.
7808 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7810 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7812 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7813 and -mlong-double-128 are incompatible.
7814 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7815 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7816 (TARGET_LIBGCC2_CFLAGS): Define.
7817 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7818 (TARGET_LIBGCC2_CFLAGS): Same.
7819 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7821 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7823 PR c/19606.
7824 * c-typeck.c (build_binary_op): Perform implicit casts of
7825 operands before shortening them.
7827 * cfgloopmanip.c (split_loop_bb): Remove.
7828 * cfgloop.h: Remove the prototype for split_loop_bb.
7830 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7831 * cfgloop.h: Remove the prototype for
7832 flow_loop_outside_edge_p.
7834 * emit-rtl.c (init_virtual_regs): Make it static.
7835 * function.h: Remove the prototype for init_virtual_regs.
7837 * recog.c (peephole2_optimize): Make it static.
7838 * recog.h: Remove the prototype for peephole2_optimize.
7840 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7842 * df-scan.c (df_record_entry_block_defs): Check if
7843 INCOMING_RETURN_ADDR_RTX is defined.
7845 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7846 Kenneth Zadeck <zadeck@naturalbridge.com>
7848 PR rtl-optimization/24762
7849 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7850 * targhooks.c (hook_void_bitmap): New hook prototype.
7851 * targhoohs.h (hook_void_bitmap): Ditto.
7852 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7853 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7854 * target.h (live_on_entry): New function pointer.
7855 * df-scan.c (df_all_hard_regs): Removed.
7856 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7857 (df_scan_free_internal): Added df->entry_block_defs.
7858 (df_scan_alloc): Ditto.
7859 (df_scan_dump): Ditto.
7860 (df_uses_record): Plumbed flag field properly thru calls.
7861 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7862 This part fixes PR24762.
7863 (df_bb_refs_record): Added code to make the frame and arg
7864 pointers live in EH blocks.
7865 (df_refs_record): Added call to df_record_entry_block_defs.
7866 (df_record_entry_block_defs): New function.
7867 * df-core.c: Added comments to describe new artifical defs.
7868 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7869 (entry_block_defs): New field in struct df.
7870 (df_all_hard_regs): Deleted.
7871 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7872 * df-problems.c (df_ru_bb_local_compute_process_def):
7873 Added code to handle artifical defs in the entry to a function.
7874 (df_ru_bb_local_compute): Ditto.
7875 (df_rd_bb_local_compute_process_def): Ditto.
7876 (df_rd_bb_local_compute): Ditto.
7877 (df_lr_bb_local_compute): Ditto.
7878 (df_ur_bb_local_compute): Ditto.
7879 (df_urec_bb_local_compute): Ditto.
7880 (df_chain_create_bb): Ditto.
7881 (df_ur_local_finalize): Removed entry.
7882 (df_urec_init): Ditto.
7883 (df_urec_local_finalize): Ditto.
7884 (df_ri_bb_compute): Added detection of last use of pseudos.
7885 * Makefile.in (df-scan.o): Updated dependencies.
7886 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7887 * config/mips/mips.c (mips_set_live_on_entry): Added.
7888 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7889 for target hook.
7890 * dce.c (marked_insn_p): Added code to handle artifical defs.
7892 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7894 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7895 intrinsic.
7896 (_mm_cvtsi128_si64): Likewise.
7897 (_mm_cvtsd_si64): Likewise.
7898 (_mm_cvttsd_si64): Likewise.
7899 (_mm_cvtsi64_sd): Likewise.
7900 (_mm_cvtsi64_si128): Likewise.
7901 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7902 (_mm_cvtsi64_m64): Likewise.
7903 (_m_to_int64): Likewise.
7904 (_mm_cvtm64_si64): Likewise.
7905 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7906 (_mm_cvttss_si64): Likewise.
7907 (_mm_cvtsi64_ss): Likewise.
7908 (_mm_cvtss_f32): Likewise.
7910 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7912 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7913 for pragma redefine_extname.
7915 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7917 PR target/25864
7918 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7919 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7920 -mno-minimal-toc to previous content.
7921 (bispecs): Remove goal.
7922 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7923 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7924 compatibility aliases on powerpc-*-*gnu*.
7925 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7926 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7927 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7928 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7929 (ldblspecs): New goal.
7930 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7931 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7932 _df_to_tf.
7933 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7934 L_sf_to_tf or L_df_to_tf is defined.
7936 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7937 Alan Modra <amodra@bigpond.net.au>
7939 PR target/25864
7940 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7941 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7942 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7943 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7944 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7945 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7946 (rs6000_override_options): Initialize rs6000_ieeequad.
7947 Initialize TFmode format to ibm_extended_format if not
7948 TARGET_IEEEQUAD.
7949 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7950 ieeelongdouble.
7951 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7952 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7953 (function_arg_advance): IBM long double passed in two FPRs, not
7954 split.
7955 (function_arg): IBM long double passed in FPRs.
7956 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7957 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7958 Only multireg GPR aligned.
7959 (rs6000_init_libfuncs): Enable IBM long double functions if not
7960 IEEEQUAD.
7961 (rs6000_generate_compare): Use IBM long double compare if not
7962 TARGET_IEEEQUAD.
7963 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7964 (TARGET_IEEEQUAD): Define.
7965 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7966 not TARGET_IEEEQUAD.
7967 * config/rs6000/rs6000.md: Enable TFmode patterns if
7968 !TARGET_IEEEQUAD.
7969 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7970 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7971 and -mlong-double-128 are incompatible.
7972 * doc/invoke.texi (-mabi): Collect options together. Add
7973 ibmlongdouble and ieeelongdouble.
7975 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7977 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7978 opaque type.
7979 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7980 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7981 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7982 * rtl.h (rtunion_def): Remove rt_ptr.
7983 (X0PTR): Delete.
7984 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7985 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7986 * config/i386/winnt.c (i386_pe_mark_dllexport)
7987 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7989 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7991 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7993 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7995 PR other/24829
7996 PR target/24831
7997 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7998 pthread_key_delete. From John David Anglin. gthrw-ify
7999 pthread_getunique_np only if it it's not a macro. Delete
8000 UNUSED macro.
8001 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8002 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8003 __gthread_objc_condition_signal, __gthread_key_delete): Add
8004 "__attribute__ ((__unused__))" to unused arguments.
8005 (__gthread_recursive_mutex_init_function): Add missing return.
8006 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8007 gthr-posix95.h: Use macro-based approach for name redirection
8008 on targets missing weakref.
8010 2006-01-26 Zack Weinberg <zackw@panix.com>
8012 * genconditions.c (write_header): In generated code, #ifdef out
8013 all includes and fake declarations, except includes of bconfig.h
8014 and system.h, unless GCC_VERSION >= 3001. Do not include
8015 gensupport.h in any case.
8016 (write_conditions): Generate a definition of struct c_test. Add
8017 a comment to the generated #endif.
8018 (write_one_condition): Escape backslashes in string too.
8019 (write_writer): Generated code must escape backslashes and quote
8020 marks (but not newlines) in the strings it writes.
8021 * Makefile.in (build/gencondmd.o): Update dependencies.
8023 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8025 PR target/25961
8026 * Makefile.in (insn-automata.o): Add header file dependencies.
8027 * genautomata.c: Add includes.
8029 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8031 PR target/25961
8032 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8034 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8036 * configure.ac: Expect target tools paths to be passed from the toplevel
8037 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8038 AS_SET_VAR_IF.
8039 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8041 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8043 PR c/25892
8044 * c.opt (Wpointer-sign): Init to -1.
8045 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8046 OPT_pedantic, to 0 otherwise.
8047 * doc/invoke.texi: Update.
8049 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8051 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8052 constants provided by 80387 instructions in the destination mode.
8054 2006-01-26 Richard Guenther <rguenther@suse.de>
8055 Andrew Pinski <pinskia@physics.uc.edu>
8057 PR tree-opt/21470
8058 partial PR tree-opt/17064
8059 * tree-ssa-structalias.c (intra_create_variable_infos):
8060 Create heap variables for incoming parameters if
8061 flag_argument_noalias > 1.
8062 (find_what_p_points_to): Look through default defs of
8063 parameter decls.
8065 2006-01-26 Jeff Law <law@redhat.com>
8067 PR ada/25900
8068 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8069 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8070 within the VR_RANGE, use the VR_RANGE as the result, not the
8071 VR_ANTI_RANGE.
8072 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8073 bounds for the type.
8075 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8077 * tree-ssa-alias.c (maybe_create_global_var): Change
8078 subvar walking to an assertion that we don't have subvar'd variables.
8080 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8082 PR C/25861
8083 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8084 Use a new variable, inner. PARM_DECLs are always non-weak.
8086 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8088 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8089 --disable-checking.
8091 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8093 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8095 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8097 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8098 (smax_insn, smin_insn, smax_0, smin_0): New.
8100 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8102 PR target/25947
8103 * config/cris/cris.c (cris_order_for_addsi3): New function.
8104 * config/cris/cris-protos.h: Prototype it.
8105 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8106 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8107 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8108 (split for "op.S1 [rx=rx+i],ry (swapped)")
8109 (split for "op(s|u).S1 [rx=rx+i],ry")
8110 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8111 Apply cris_order_for_addsi3 when generating addsi3 insns.
8113 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8115 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8116 (TREE_BLOCK): Add call to EXPR_CHECK.
8118 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8120 PR 25886
8121 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8122 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8123 (dump_omp_clauses): ... here.
8124 (dump_generic_node): Handle OMP_CLAUSE.
8125 * tree.c (omp_clause_num_ops): New.
8126 (omp_clause_code_name): New.
8127 (tree_code_size): Handle OMP_CLAUSE.
8128 (tree_size): Likewise.
8129 (make_node): Document handling of OMP_CLAUSE.
8130 (tree_node_structure): Handle OMP_CLAUSE.
8131 (omp_clause_check_failed): New.
8132 (omp_clause_range_check_failed): New.
8133 (omp_clause_operand_check_failed): New.
8134 (build_omp_clause): New.
8135 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8136 * tree.h (enum omp_clause_code): Declare.
8137 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8138 (OMP_CLAUSE_RANGE_CHECK): Define.
8139 (OMP_CLAUSE_ELT_CHECK): Define.
8140 (omp_clause_check_failed): Declare.
8141 (omp_clause_operand_check_failed): Declare.
8142 (omp_clause_range_check_failed): Declare.
8143 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8144 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8145 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8146 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8147 (OMP_CLAUSE_IF_EXPR): Likewise.
8148 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8149 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8150 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8151 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8152 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8153 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8154 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8155 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8156 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8157 (OMP_CLAUSE_CODE): Define.
8158 (OMP_CLAUSE_SET_CODE): Define.
8159 (OMP_CLAUSE_CODE): Define.
8160 (OMP_CLAUSE_OPERAND): Define.
8161 (struct tree_omp_clause): Declare.
8162 (union tree_node): Add field 'omp_clause'.
8163 * treestruct.def (TS_OMP_CLAUSE): Define.
8164 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8165 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8166 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8167 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8168 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8169 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8170 (OMP_CLAUSE): Define.
8171 * print-tree.c (print_node): Handle OMP_CLAUSE.
8172 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8173 * c-typeck.c: Likewise.
8174 * gimplify.c: Likewise.
8175 * c-omp.c: Likewise.
8176 * tree-nested.c: Likewise.
8177 * tree-inline.c: Likewise.
8178 * c-parser.c: Likewise.
8179 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8180 clauses.
8182 2006-01-25 Roger Sayle <roger@eyesopen.com>
8184 PR rtl-optimization/25703
8185 * combine.c (try_combine): Handle zero_extract and strict_low_part
8186 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8188 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8190 * global.c: Fix comment typos.
8192 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8194 PR target/25758
8195 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8196 Use output_addr_const instead of assemble_name.
8198 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8200 * Makefile.in (sched-vis.o): Update dependencies.
8201 * haifa-sched.c (sched_finish): Clear current_sched_info.
8202 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8203 (dump_flow_info): Call it.
8204 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8205 a slim RTL dump.
8206 * basic-block.h (dump_bb_info): Declare.
8207 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8208 option, and apply options only for dump files whose TDF_RTL,
8209 TDF_TREE, or TDF_IPA bits match.
8210 * rtl.h: Declare new functions exported from sched-vis.c.
8211 * sched-vis.c: Enable also if scheduling is not used.
8212 (print_value): Print the mode of registers if not inside scheduling.
8213 (print_insn): Make it work outside the scheduler. Beautify the output
8214 a bit.
8215 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8217 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8219 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8220 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8221 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8222 depending on the value of CONSTANT_POOL_ADDRESS_P.
8223 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8224 SYMBOL_REF_DECL.
8225 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8226 rather than SYMBOL_REF_DECL.
8227 (rtx_constant_pool): Remove const_rtx_sym_htab.
8228 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8229 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8230 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8231 Remove handling of const_rtx_sym_htab.
8232 (find_pool_constant): Delete.
8233 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8234 rather than find_pool_constant.
8235 (get_pool_constant_for_function): Delete.
8236 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8237 find_pool_constant.
8238 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8239 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8240 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8241 (SYMBOL_REF_CONSTANT): New macro.
8242 (get_pool_constant_for_function): Delete.
8243 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8244 rather than SYMBOL_REF_DECL.
8245 (i386_pe_mark_dllimport): Likewise.
8246 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8247 rather than SYMBOL_REF_DECL.
8248 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8249 (machopic_indirect_call_target): Likewise.
8251 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8253 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8255 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8257 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8259 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8261 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8263 2006-01-24 David Daney <ddaney@avtrex.com>
8265 PR java/25816
8266 * configure.ac (enable_tls): New enable option.
8267 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8268 * configure: Regenerate.
8269 * doc/install.texi (--enable-tls): Document new option.
8270 (--disable-tls): Ditto.
8272 2006-01-24 Richard Henderson <rth@redehat.com>
8274 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8275 * alias.c (true_dependence): Respect it.
8276 (canon_true_dependence, write_dependence_p): Likewise.
8277 * builtins.c (get_builtin_sync_mem): Set it.
8279 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8281 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8282 efficient way.
8284 2006-01-24 DJ Delorie <dj@redhat.com>
8286 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8287 for storing constants in single-bit bitfields.
8289 2006-01-25 Ben Elliston <bje@au.ibm.com>
8291 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8293 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8295 PR tree-opt/25860
8296 * tree-ssa-pre.c (phi_translate): Return NULL
8297 for AGGREGATE_TYPE's.
8299 2006-01-24 Zack Weinberg <zackw@panix.com>
8301 * genautomata.c (process_state_for_insn_equiv_partition):
8302 Use xcalloc for insn_arcs_array.
8303 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8304 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8306 2006-01-24 Richard Henderson <rth@redhat.com>
8308 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8309 update all callers.
8311 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8313 PR rtl-optimization/25890
8314 PR rtl-optimization/25905
8315 * combine.c (expand_compound_operation, expand_field_assignment):
8316 Fail if the bitfield's final position is out of bounds.
8318 2006-01-24 Ian Lance Taylor <ian@airs.com>
8320 PR middle-end/25930
8321 * cgraphunit.c (cgraph_output_in_order): Don't clear
8322 cgraph_asm_nodes until after asm strings have been output.
8324 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8326 * fix-header.c (read_scan_file): Add new parameter imultilib when
8327 calling register_include_chains.
8329 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8331 * omp-low.c: Update documentation.
8333 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8334 Daniel Berlin <dberlin@dberlin.org>
8336 PR tree-opt/25315
8337 PR tree-opt/25857
8338 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8339 return from the function.
8341 2006-01-22 Zack Weinberg <zackw@panix.com>
8343 * rtl.def (match_code): Add second argument.
8344 * genpreds.c (write_extract_subexp): New function.
8345 (write_match_code): Add path argument. Use write_extract_subexp.
8346 (write_predicate_expr): Pass path to write_match_code.
8347 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8348 not perform a mode test.
8349 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8350 a subexpression does not constrain the top-level code set.
8351 * read-rtl.c (read_rtx_variadic): New function.
8352 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8353 * doc/md.texi: Document new notation.
8354 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8355 (cmpsi_operand): ... here, using new notation.
8357 2006-01-22 Zack Weinberg <zackw@panix.com>
8359 * varray.c: Remove GENERATOR_FILE #ifdefs.
8361 2006-01-22 Zack Weinberg <zackw@panix.com>
8363 * genautomata.c (output_reserved_units_table): Emit nothing if
8364 description->query_units_num is zero. Remove extra blank line.
8365 (output_cpu_unit_reservation_p): Short circuit
8366 if description->query_units_num is zero.
8368 2006-01-22 Zack Weinberg <zackw@panix.com>
8370 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8371 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8372 nor any of the random handful of variables that used to be necessary
8373 when this program was linked with rtlanal.o. Prune set of forward
8374 function declarations.
8375 (struct attr_desc): Remove static_p field.
8376 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8377 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8378 (attr_string): Do not read the character one past the length of
8379 the string.
8380 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8381 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8382 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8383 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8384 (make_automaton_attrs): New.
8385 (main): Do not call into genautomata. Call local gen_bypass
8386 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8387 Remove special case for insn_alts.
8388 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8389 varray.h (leftover from previous change). Prune set of forward
8390 function declarations. Remove state_alts fields from all
8391 structures. Remove state_alts_table from struct automaton.
8392 Make everything except main static. Do not maintain num_dfa_decls.
8393 Do not maintain state_alts fields of various structures.
8394 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8395 (add_arc): Remove state_alts argument. All callers updated.
8396 (output_reserved_units_table): Emit #ifdef here...
8397 (output_tables): ...not here. Don't generate state_alts tables.
8398 (expand_automata): Don't generate attributes.
8399 (write_automata): Don't generate state_alts functions.
8400 (main): New function.
8401 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8402 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8403 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8404 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8405 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8406 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8407 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8408 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8409 Delete.
8410 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8411 * genattrtab.h: Delete file.
8412 * Makefile.in (OBJS-common): Add insn-automata.o.
8413 (insn-automata.o): New rule.
8414 (simple_generated_c): Add insn-automata.c.
8415 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8416 (genprogmd): Add automata.
8417 (build/genattrtab): Needs no extra objects nor libraries.
8418 (build/genautomata): Needs build/vec.o and -lm.
8420 2006-01-22 Zack Weinberg <zackw@panix.com>
8422 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8423 (output_dfa_max_issue_rate, locked_states_num): Delete.
8424 (struct automaton): Add locked_states field.
8425 (output_dead_lock_vect): Save number of locked states in
8426 automaton->locked_states. If it is zero, don't print anything.
8427 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8428 (output_internal_dead_lock_func): Only test the dead_lock_vect
8429 for automata that have locked states.
8430 (output_statistics): Always print the number of locked states for
8431 each automaton. Calculate total number of locked states here.
8432 (write_automata): Don't call output_dfa_max_issue_rate.
8433 * genattrtab.c: Define length_unit_log as a const variable.
8434 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8435 max_insn_queue_index const.
8436 * final.c (length_unit_log): Declare const.
8437 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8439 2006-01-22 Zack Weinberg <zackw@panix.com>
8441 * genautomata.c: Include vec.h, not varray.h.
8442 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8443 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8444 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8445 VEC_* macros operating on appropriately typed vectors, or to
8446 malloced arrays when the size is known in advance. Const-ify
8447 many char* variables and function arguments. No functional changes.
8448 * Makefile.in (build/varray.o): Delete rule.
8449 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8450 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8452 2006-01-22 Zack Weinberg <zackw@panix.com>
8454 * gensupport.c: Define get_insn_name and record_insn_name here.
8455 (read_md_rtx): Call record_insn_name as appropriate.
8456 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8457 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8458 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8459 record_insn_name.
8460 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8461 (BUILD_VARRAY): Delete.
8462 (genprognormal): Rename genprogmd. Fold in all programs from
8463 genprognoprint; also attrtab.
8464 (build/genattrtab): Just mention genautomata.o and varray.o.
8465 Reorganize a bit, add comments to make the categories clearer.
8467 2006-01-22 Zack Weinberg <zackw@panix.com>
8469 * genconditions.c (condition_table, add_condition): Delete.
8470 (write_conditions): Don't emit n_insn_conditions nor
8471 insn_elision_unavailable. Issue the gcc version #ifdef here,
8472 inside the table, with no #else clause ...
8473 (write_header): ...not here.
8474 (write_writer): New function.
8475 (main): Don't initialize condition_table. Use add_c_test.
8476 Call write_writer.
8477 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8478 files on the command line.
8479 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8480 Return -1 if there is no entry in the table, don't abort.
8481 (add_c_test, traverse_c_tests): New functions.
8482 * gensupport.h (insn_elision_unavailable, insn_conditions)
8483 (n_insn_conditions): Delete declarations.
8484 (add_c_test, traverse_c_tests): Declare.
8485 * read-rtl.c: Include gensupport.h.
8486 (read_conditions): New function.
8487 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8488 (read_rtx_1): If we get EOF when we were looking for an initial
8489 open paren, return 0. Call read_conditions when appropriate.
8490 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8491 dummy-conditions.o. Eliminate references to insn-conditions.o,
8492 or change them to build/gencondmd.o, as appropriate. Remove
8493 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8494 from $(simple_generated_c). For all files remaining in those
8495 two lists, add insn-conditions.md to the generator command line.
8496 Give insn-constants.h/s-constants their own rules. Add rules
8497 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8498 (build/read-rtl.o): Depend on gensupport.h.
8499 (genprognormal): Include preds.
8500 (genprogearly): Rename genprognoprint; only difference is now that
8501 they don't link with $(BUILD_PRINT).
8502 * dummy-conditions.c: Delete.
8504 2006-01-22 Zack Weinberg <zackw@panix.com>
8506 * genextract.c: Don't include insn-config.h. Do include vec.h.
8507 Declare vectors of int, char, and locstr.
8508 (locstr): New typedef.
8509 (struct extraction): Make all array fields into bare pointers.
8510 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8511 (insn_code_number): Delete.
8512 (accum_extract): New struct.
8513 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8514 (gen_insn): Take insn_code_number as an argument. Use an
8515 accum_extract structure instead of loading data directly into
8516 a struct extraction, and having to know how big it might get.
8517 (walk_rtx): Operate entirely on an accum_extract structure.
8518 (print_path): Avoid unnecessary use of printf.
8519 (print_header): New function, split out of main. Distinguish
8520 more carefully between an unrecognizable insn and an insn that
8521 has the code number of a define_expand.
8522 (main): Pass insn_code_number to gen_insn. Call print_header
8523 only after parsing. Avoid unnecessary use of printf.
8524 * Makefile.in (build/vec.o): New rule.
8525 (build/genextract): Depend on build/vec.o.
8526 (build/genextract.o): Don't depend on insn-config.h.
8528 2006-01-22 Zack Weinberg <zackw@panix.com>
8530 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8531 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8532 practical. Eliminate per-generator-program link rules.
8534 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8536 PR middle-end/24437
8537 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8538 with a call expr to ...
8539 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8541 2006-01-23 Richard Guenther <rguenther@suse.de>
8543 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8544 before make_edge with conditional EDGE_TRUE_VALUE.
8546 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8547 Jan Hubicka <jh@suse.cz>
8548 Richard Guenther <rguenther@suse.de>
8550 PR rtl-optimization/25654
8551 * cfgexpand.c (aggregate_contains_union_type): New function.
8552 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8553 for structure variables that contain a union type.
8555 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8557 * gengtype.c (new_structure): Return the structure.
8558 (create_option): Add an extra "next" argument.
8559 (create_field): New function.
8560 (adjust_field_rtx_def): Use create_option and create_field.
8561 Remove a now-unnecessary call to find_structure.
8562 (adjust_field_tree_def): Likewise.
8563 (note_yacc_type): Remove an unnecessary call to find_structure.
8564 * gengtype.h (new_structure): Return the structure.
8565 (create_option): Add an extra argument.
8566 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8567 (option): Adjust calls to create_option.
8569 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8571 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8573 2006-01-22 Paul Brook <paul@codesourcery.com>
8574 Peter Barada <peter@the-baradas.com>
8576 * config/m68k/m68k.md: Add Coldfire FPU support.
8577 Define FP mode macro and associated attributes.
8578 Use it for float mode patterns.
8579 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8580 (LIBCALL_VALUE): Use m68k_libcall_value.
8581 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8582 (m68k_function_value): Ditto.
8583 (emit_move_sequence): Ditto.
8584 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8585 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8586 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8587 (MULTILIB_EXCEPTIONS): Ditto.
8588 * config/m68k/m68k.opt: Add mcfv4e.
8589 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8590 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8591 (m68k_output_function_prologue): Save ColdFire FPU registers.
8592 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8593 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8594 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8595 ColdFire FPU registers.
8596 (m68k_libcall_value, m68k_function_value): New functions.
8597 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8598 (LIBCALL_VALUE): Use m68k_libcall_value.
8599 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8600 (MASK_COLDFIRE): Add MASK_CFV4E.
8601 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8602 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8603 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8604 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8605 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8606 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8607 * doc/invoke.tex: Document -mcfv4e on m68k.
8609 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8611 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8612 URL.
8614 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8616 PR c++/16190
8617 * c-opts.c (c_common_handle_option): Don't include
8618 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8619 * doc/invoke.texi (C++ Dialect Options): Document that
8620 -Wnon-virtual-dtor is no longer included in -Wall.
8622 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8624 * gcov.c (print_version), gcov-dump.c (print_version),
8625 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8626 dates.
8628 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8630 * df-scan.c (problem_SCAN): Added NULL reset function.
8631 (df_scan_reset_blocks): Added code to call reset block function
8632 (df_bb_refs_delete) Fixed comment.
8633 (df_insn_refs_delete): Made tolerant of deleting non existent info
8634 for dataflow problems that need to be reset.
8635 * df-core.c (df_set_blocks): Ditto.
8636 * df.h (struct df_problem): Added reset_fun.
8637 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8638 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8639 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8640 functions to clear out all references to def-use or use-def chains.
8642 2006-01-21 Ben Elliston <bje@au.ibm.com>
8644 * varasm.c (assemble_real): Initialise data array.
8646 2006-01-20 Paul Brook <paul@codesourcery.com>
8648 Merge from csl-arm-branch.
8649 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8650 * config/arm/arm.md (movdi): Force operands[1] to a register
8651 if we have a non-register source.
8652 (*arm_movdi, *movdf_soft_insn): Require that one of the
8653 operands be a register.
8654 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8655 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8657 2006-01-20 DJ Delorie <dj@redhat.com>
8659 * varasm.c (initialize_constant_valid_p): Allow pointers
8660 initialized from integer constants of lesser precision.
8661 (output_constant): Allow non-int-sized pointer modes to be
8662 initialized from integer constants.
8664 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8666 PR libstdc++/25524
8667 * cppdefault.h (struct default_include): Add multilib flag.
8668 * cppdefault.c (cpp_include_defaults): Set it.
8669 * c.opt (-imultilib): New option.
8670 * c-opts.c (imultilib): New.
8671 (c_common_handle_option): Handle -imultilib.
8672 (c_common_post_options): Likewise.
8673 * c-incpath.c (add_standard_paths, register_include_chains):
8674 Likewise.
8675 * c-incpath.h (register_include_chains): Add extra parameter.
8676 * gcc.c (do_spec_1): Generate -imultilib option.
8677 (The Specs Language): Update %I description.
8678 (process_command): Update copyright notice.
8679 * doc/cppopts.texi (-imultilib): Document.
8680 * doc/invoke.texi (-imultilib): Include in option summary.
8681 (%I): Update specs documentation.
8683 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8685 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8687 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8689 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8690 label numbers.
8692 2006-01-20 Richard Guenther <rguenther@suse.de>
8693 Steven Bosscher <stevenb.gcc@gmail.com>
8695 PR rtl-optimization/24626
8696 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8697 EDGE_TRUE_VALUE if in RTL mode.
8699 Revert
8700 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8701 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8703 2006-01-20 Dirk Mueller <dmueller@suse.com>
8705 PR c++/5520
8706 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8707 instead of a special NOP marker.
8708 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8709 NOP marker handling.
8710 * c-common.h (empty_body_warning): Add forward declaration.
8711 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8712 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8714 2006-01-20 Paul Brook <paul@codesourcery.com>
8716 * Makefile.in (lang_checks): Keep going if mkdir fails.
8718 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8720 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8721 be able to clean out basic block when not necessary.
8722 (df_scan_free): Fixed to properly delete information if df is
8723 unused before calling df_finish.
8724 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8725 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8726 or comment typos.
8727 (df_bb_refs_delete): New function.
8728 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8729 * df-core.c (df_set_blocks): Added code to properly clean out
8730 unused blocks if they are not part of the blocks to consider.
8731 Added additional null check.
8732 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8733 be able to clean out basic block when not necessary
8734 * df.h (df_free_bb_function): Ditto.
8735 (df_bb_refs_delete): New function.
8736 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8737 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8738 basic block parameter to be able to clean out basic block when not
8739 necessary.
8740 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8741 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8742 Fixed to properly delete information if df is unused before
8743 calling df_finish.
8745 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8747 PR rtl-optimization/25799
8748 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8749 Corrected confluence operator to remove bits from op2 before oring
8750 with op1 rather than removing bits from op1.
8751 (df_ru_transfer_function): Corrected test on wrong bitmap which
8752 caused infinite loop. Both of these problems were introduced in
8753 the dataflow rewrite.
8755 2006-01-19 DJ Delorie <dj@redhat.com>
8757 * reload1.c (find_reload_regs): Note the details of reload
8758 failures in the dump file.
8759 (spill_failure): Likewise.
8761 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8763 * loop-iv.c: Include df.h and hashtab.h.
8764 (enum iv_grd_result): New enum.
8765 (DF_REF_IV, DF_REF_IV_SET): New macros.
8766 (struct biv_entry): New.
8767 (df, bivs): New global variables.
8768 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8769 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8770 Removed.
8771 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8772 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8773 analyzed_for_bivness_p, record_biv): New functions.
8774 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8775 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8776 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8777 UD chains.
8778 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8779 analysed.
8780 (iv_number_of_iterations): Use new interface to iv analysis.
8781 * loop-unroll.c: Do not include varray.h.
8782 (analyze_iv_to_split_insn): Use new interface to iv
8783 analysis.
8784 * loop-unswitch.c (may_unswitch_on): Ditto.
8785 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8786 allocated.
8787 (df_bb_modify): Realloc tables to the new index.
8788 (df_find_use): New function.
8789 * df.h (df_find_use): Declare.
8790 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8791 outmode.
8792 * cfgloop.h (struct rtx_iv): Remove analysed field.
8793 (iv_get_reaching_def): Removed.
8794 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8795 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8796 (loop-iv.o): Add df.h and hashtab.h dependency.
8797 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8799 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8801 PR target/25668
8802 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8803 Double TFmode.
8804 (__floatundisf, __floatundidf): Likewise.
8805 * libgcc2.h (IS_IBM_EXTENDED): Define.
8807 2006-01-19 DJ Delorie <dj@redhat.com>
8809 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8811 2006-01-19 Paul Brook <paul@codesourcery.com>
8813 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8814 as nothrow when unwinding tables are disabled.
8816 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8818 PR testsuite/25171
8819 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8820 of bit-field" when in system header.
8822 2006-01-19 DJ Delorie <dj@redhat.com>
8824 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8825 the 16 bit shift limit of the m16c.
8827 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8829 PR target/22099
8830 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8831 * config/i386/i386.c (output_set_got): Output the label if we have one
8832 for the TARGET_DEEP_BRANCH_PREDICTION case.
8834 2006-01-19 Jan Hubicka <jh@suse.cz>
8835 H.J. Lu <hongjiu.lu@intel.com>
8836 Evandro Menezes <evandro.menezes@amd.com>
8838 * invoke.texi (generic): Document
8839 (i686) Update.
8840 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8841 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8842 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8843 (x86_use_incdec, x86_pad_returns): New variables
8844 (TARGET_CPU_DEFAULT_generic): New constant
8845 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8846 (enum processor_type): Add generic32 and generic64.
8847 * i386.md (cpu attribute): Add generic32/generic64
8848 (movhi splitter): Behave sanely when both partial_reg_dependency and
8849 partial_reg_stall are set.
8850 (K8 splitters): Enable for generic as well.
8851 * predicates.md (incdec_operand): Use TARGET_INCDEC
8852 (aligned_operand): Avoid memory mismatch stalls.
8853 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8854 * ppro.md: Enable for generic32
8855 * i386.c (generic64_cost, generic32_cost): New.
8856 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8857 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8858 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8859 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8860 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8861 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8862 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8863 x86_accumulate_outgoing_args, x86_prologue_using_move,
8864 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8865 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8866 Enable for generic.
8867 (x86_use_incdec, x86_pad_returns): New.
8868 (override_options): Add generic32 and generic64, translate "generic"
8869 to generic32/generic64 and "i686" to "generic32", refuse
8870 "generic32"/"generic64" as arch target.
8871 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8872 (ix86_reorg): Honor PAD_RETURNS.
8874 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8876 * tree-pretty-print.c (dump_generic_node): Handle
8877 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8878 * cgraph.c (cgraph_expand_queue): Rename from
8879 cgraph_analyze_queue. Update all users.
8880 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8881 cgraph_expand_queue.
8882 (cgraph_expand_all_functions): Likewise.
8883 (cgraph_finalize_pending_functions): Remove. Update callers.
8885 * tree.h (OMP_DIRECTIVE_P): Define.
8886 (OMP_PARALLEL_FN): Define.
8887 (OMP_PARALLEL_DATA_ARG): Define.
8888 (OMP_SECTIONS_SECTIONS): Define.
8889 * tree-pass.h (pass_expand_omp): Declare.
8890 * omp-low.c (struct omp_region): Declare.
8891 (struct omp_context): Remove fields 'parallel_type',
8892 'parallel_start_ix' and 'parallel_start_additional_args'.
8893 Update all users.
8894 (struct omp_for_data): Rename from struct expand_omp_for_data.
8895 (omp_regions): New static variable.
8896 (root_omp_region): New static variable.
8897 (find_omp_clause): Make static.
8898 (is_in_combined_parallel_ctx): Remove.
8899 (is_combined_parallel): New.
8900 (extract_omp_for_data): Move earlier in the file.
8901 (workshare_safe_to_combine_p): New.
8902 (get_ws_args_for): New.
8903 (determine_parallel_type): Move earlier in the file.
8904 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8905 child function.
8906 (omp_copy_decl): Likewise.
8907 (create_omp_child_function): Likewise.
8908 (lookup_omp_region): New.
8909 (dump_omp_region): New.
8910 (debug_omp_region): New.
8911 (debug_all_omp_regions): New.
8912 (new_omp_region): New.
8913 (scan_omp_parallel): If parallel_nesting_level > 1, the
8914 directive is nested within another parallel directive.
8915 Set OMP_PARALLEL_FN.
8916 (scan_omp_for): Do not try to handle combined parallel+for
8917 cases.
8918 Remove FIXME comment.
8919 (scan_omp_nested): Remove.
8920 (scan_omp_1): Do not call scan_omp_nested when
8921 parallel_nesting_level is > 1.
8922 Do not change the DECL_CONTEXT of local variables found.
8923 (lookup_decl_in_outer_ctx): New.
8924 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8925 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8926 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8927 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8928 If CTX is nested, lookup VAR in the outer context when
8929 building copy assignment.
8930 (lower_send_clauses): Rename from expand_send_clauses.
8931 If CTX is nested, lookup VAR in the outer context when
8932 building copy assignments.
8933 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8934 If CTX is nested, lookup VAR in the outer context when
8935 building copy assignments.
8936 (expand_parallel_call): Rename from build_parallel_call.
8937 Handle combined parallel+workshare cases.
8938 Re-implement to emit code into the CFG.
8939 (list2chain): New.
8940 (expand_omp_parallel): Re-implement to emit code into the CFG.
8941 Call move_sese_region_to_fn to outline the sub-graph
8942 containing the parallel region.
8943 (expand_omp_for_1): Remove.
8944 (expand_omp_for_generic): Re-implement to emit code into the
8945 CFG.
8946 (expand_omp_for_static_nochunk): Likewise.
8947 (expand_omp_for_static_chunk): Likewise.
8948 (expand_omp_for): Likewise.
8949 (expand_omp_sections): Likewise.
8950 (remove_exit_barriers): New.
8951 (expand_omp_synch): New.
8952 (expand_omp): New.
8953 (build_omp_regions_1): New.
8954 (build_omp_regions): New.
8955 (execute_expand_omp): New.
8956 (gate_expand_omp): New.
8957 (pass_expand_omp): Define.
8958 (lower_omp_sections): Rename from expand_omp_sections.
8959 Set OMP_SECTIONS_SECTIONS.
8960 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8961 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8962 (lower_omp_single): Rename from expand_omp_simple.
8963 (lower_omp_master): Rename from expand_omp_master.
8964 (lower_omp_ordered): Rename from expand_omp_ordered.
8965 (lower_omp_critical): Rename from expand_omp_critical.
8966 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8967 (lower_omp_for): Re-implement.
8968 (lower_omp_parallel): Re-implement.
8969 (lower_regimplify): Rename from expand_regimplify.
8970 (lower_omp_1): Rename from expand_omp_1.
8971 If there are syntax errors in the program, replace every
8972 OpenMP directive with NOP.
8973 Call lower_omp_* instead of expand_omp_*.
8974 (lower_omp): Rename from expand_omp.
8976 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8977 * tree-gimple.h (enum omp_parallel_type): Remove.
8978 (gimple_boolify): Declare extern.
8979 (find_omp_clause, determine_parallel_type): Remove.
8981 * gimple-low.c (lower_omp_directive): New.
8982 (lower_stmt): Call it.
8983 (record_vars_into): Move from ...
8984 (record_vars): ... here.
8985 Call record_vars_into with current_function_decl.
8987 * gimplify.c (struct gimplify_ctx): Remove fields
8988 combined_pre_p and combined_ctxp. Update users.
8989 (get_formal_tmp_var): Add documentation.
8990 (gimple_boolify): Make extern.
8991 (gimplify_expr_in_ctx): Remove. Update callers.
8992 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8993 will always be a BIND_EXPR.
8994 (gimplify_expr): Handle OMP_RETURN_EXPR.
8995 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8996 (OMP_PARALLEL): Add 3 operands.
8997 (OMP_SECTIONS): Add 1 operand.
8998 (OMP_RETURN_EXPR): Define.
9000 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9001 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9002 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9003 creating a circular free list.
9004 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9006 * tree-flow.h (move_sese_region_to_fn): Declare.
9007 (record_vars_into): Declare.
9008 * tree-cfg.c (make_omp_sections_edges): New.
9009 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9010 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9011 OMP_SECTIONS and OMP_SECTION.
9012 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9013 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9014 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9015 (gather_blocks_in_sese_region): New.
9016 (struct move_stmt_d): Declare.
9017 (move_stmt_r): New.
9018 (move_block_to_fn): New.
9019 (move_sese_region_to_fn): New.
9021 * passes.c (init_optimization_passes): Schedule
9022 pass_expand_omp after pass_init_datastructures.
9024 * tree-ssa-operands.c (get_expr_operands): Handle
9025 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9026 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9028 2006-01-19 Jeff Law <law@redhat.com>
9030 * tree-vrp.c (extract_range_from_assert): Refine the result range
9031 if the variable referenced by the ASSERT_EXPR has a range and
9032 either the tentative result range or the previous range is a
9033 VR_ANTI_RANGE.
9035 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9037 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9039 2006-01-19 Jan Hubicka <jh@suse.cz>
9041 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9043 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9045 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9046 (expand_compound_operation, expand_field_assignment): Fail if the
9047 bit lengths of an extract operation are out of range.
9048 (make_extraction): Compute wanted_inner_mode based on the position
9049 and length of the extraction. Make it extraction_mode for non-constant
9050 positions, and do not modify offset in that case. When generating a
9051 new MEM, use a mode that can hold the extraction while keeping correct
9052 alignment. Remove code that supported MEMs wrapped by USEs.
9053 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9055 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9057 * config/s390/s390.md ("Y", "y"): New mode attribute.
9058 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9059 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9060 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9061 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9062 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9063 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9064 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9065 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9066 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9067 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9068 "addsi3", "subsi3"): Insn patterns removed.
9069 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9070 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9071 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9072 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9073 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9074 "*sub<mode>3_cconly2"): New insn patterns.
9075 ("addsi3", "subsi3"): New expanders.
9077 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9079 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9080 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9081 existing STMT_VINFO_VECTYPE if available.
9082 (vect_mark_relevant): Add special handling for stmts that are
9083 marked as STMT_VINFO_IN_PATTERN_P.
9084 (vect_analyze_loop): Call vect_pattern_recog.
9085 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9086 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9087 stmt_info.
9088 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9089 (vect_recog_func_ptr): New function-pointer type.
9090 * tree-vect-patterns.c: New file.
9091 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9092 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9093 (vect_pattern_recog_1): New functions.
9094 (vect_pattern_recog_funcs): New array of function pointers.
9096 * tree-vectorizer.h (ternary_op): New enum value.
9097 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9098 declaration. Revised documentation. Removed redundant dump prints.
9099 Removed redundant argument. Added support for reduction patterns.
9100 (vectorizable_reduction): Added support for reduction patterns.
9101 (vect_transform_stmt): Added support for patterns.
9103 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9104 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9105 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9106 (expand_widen_pattern_expr): New function.
9107 (init_optabs): Initialize new optabs udot_prod_optab,
9108 sdot_prod_optab.
9109 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9110 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9111 (expand_widen_pattern_expr): New function declaration.
9112 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9113 tree-codes.
9114 * tree-inline.c (estimate_num_insns_1): Added cases for new
9115 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9116 * tree-pretty-print.c (dump_generic_node): Likewise.
9117 (op_prio): Likewise.
9118 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9119 * tree-ssa-operands.c (get_expr_operands): Added case for
9120 DOT_PROD_EXPR.
9121 * tree-vect-patterns.c (widened_name_p): New function.
9122 (vect_recog_dot_prod_pattern): Added function implementation.
9123 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9124 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9125 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9126 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9128 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9129 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9130 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9131 (init_optabs): Initialize new optabs widen_ssum_optab,
9132 widen_usum_optab.
9133 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9134 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9135 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9136 use instead of type of def.
9137 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9138 function implementation.
9139 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9140 widen_ssumv8hi): New.
9142 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9143 patterns.
9145 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9147 PR c/25805
9148 * c-decl.c (add_flexible_array_elts_to_size): New function.
9149 (finish_decl): Use it.
9151 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9153 * diagnostic.h: Include options.h.
9154 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9155 dependancies for diagnostic.h.
9156 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9158 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9160 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9161 (ssa_ro_call_cache_valid): Ditto.
9162 * tree-ssa-alias.c (sort_tags_by_id): New function.
9163 (init_transitive_clobber_worklist): Ditto.
9164 (add_to_worklist): Ditto.
9165 (mark_aliases_call_clobbered): Ditto.
9166 (compute_tag_properties): Ditto.
9167 (set_initial_properties): Ditto.
9168 (compute_call_clobbered): Ditto.
9169 (compute_may_aliases): Call compute_call_clobbered and grouping.
9170 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9171 (compute_flow_insensitive_aliasing): Grouping now happens in our
9172 caller.
9173 (setup_pointers_and_addressables): Remove clobbering related code.
9174 (add_may_alias): Ditto.
9175 (replace_may_alias): Ditto.
9176 (get_nmt_for): Ditto.
9177 (create_global_var):
9178 (is_escape_site): Return an escape_type enumeration.
9179 * tree-flow-inline.h (is_call_clobbered): Global var does not
9180 imply call clobbered.
9181 (mark_call_clobbered): Take a reason for marking this. Remove
9182 marking of globalness, and cache invalidation.
9183 (clear_call_clobbered): Remove cache invalidation code.
9184 * tree-dfa.c (dump_variable): If details is on, dump the reason
9185 for escaping.
9186 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9187 variable.
9188 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9189 (struct var_ann_d): Ditto.
9190 (enum escape_type): New.
9191 (mark_call_clobbered): Adjust prototype.
9192 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9193 are never call clobbered.
9194 Record reasons for escaping.
9195 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9196 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9197 (ssa_ro_call_cache_valid): Ditto.
9198 (clobbered_v_may_defs): Ditto.
9199 (clobbered_vuses): Ditto.
9200 (ro_call_vuses): Ditto.
9201 (clobber_stats): New.
9202 (init_ssa_operands): Zero out clobber stats.
9203 (fini_ssa_operands): Print out clobber stats.
9204 (get_call_expr_operands): Pass callee fndecl to
9205 add_call_read_ops).
9206 (add_call_clobber_ops): Remove use of cache.
9207 Add use of PURE_CONST information.
9208 (add_call_read_ops): Remove use of cache.
9209 Add use of static not_read information.
9211 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9213 Introduce TLS descriptors for i386 and x86_64.
9214 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9215 (TARGET_ANY_GNU_TLS): New macro.
9216 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9217 (struct machine_function): Add tls_descriptor_call_expanded_p.
9218 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9219 (ix86_current_function_calls_tls_descriptor): Likewise.
9220 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9221 (override_options): Introduce gnu2 tls dialect.
9222 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9223 not leaves.
9224 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9225 Likewise.
9226 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9227 (ix86_init_machine_status): Initialize new field.
9228 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9229 (ix86_tls_module_base): New.
9230 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9231 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9232 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9233 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9234 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9235 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9236 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9237 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9238 * config/i386/predicates.md (tls_modbase_operand): New.
9239 (tp_or_register_operand): New.
9241 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9243 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9244 (look_for_address_of): Ditto.
9245 (ipa_init): Walk the function decls.
9246 (static_execute): Don't set readonly on FUNCTION_DECL's.
9248 2006-01-18 Roger Sayle <roger@eyesopen.com>
9250 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9251 for shifts where the source and destination registers are different.
9253 2006-01-18 Paul Brook <paul@codesourcery.com>
9255 Merge from csl-arm-branch.
9256 2005-03-14 Julian Brown <julian@codesourcery.com>
9257 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9258 (aeabi_llsl): Likewise.
9259 (ashrdi3): Likewise.
9260 (aeabi_lasr): Likewise.
9261 (lshrdi3): Likewise.
9262 (aeabi_llsr): Likewise.
9263 2005-03-10 Julian Brown <julian@codesourcery.com>
9264 * config.gcc: Disable shared libgcc for SymbianOS.
9265 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9267 2006-01-18 DJ Delorie <dj@redhat.com>
9269 * c-pragma.c (handle_pragma_diagnostic): New.
9270 (init_pragma): Register it.
9271 * doc/extend.texi: Document it.
9273 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9274 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9275 (diagnostic_context): Add classify_diagnostic[].
9276 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9277 as errors if they're overridden to DK_WARNING.
9278 (diagnostic_initialize): Initialize classify_diagnostic[].
9279 (diagnostic_set_kind_override): New.
9280 (diagnostic_report_diagnostic): Check for kind changes.
9281 * opts.c (common_handle_option): Take lang_mask. Update callers.
9282 Handle OPT_Werror_.
9283 * common.opt (Werror=): New.
9284 * doc/invoke.texi: Document -Werror=*
9286 2006-01-18 Jeff Law <law@redhat.com>
9288 * tree-vrp.c (test_for_singularity): Correct test for new
9289 min limit. Use operand_equal_p rather than pointer equality
9290 for testing if new min/max values are equal.
9292 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9293 using range information until after propagation and folding.
9295 2006-01-18 Richard Henderson <rth@redhat.com>
9296 Aldy Hernandez <aldyh@redhat.com>
9297 Jakub Jelinek <jakub@redhat.com>
9298 Diego Novillo <dnovillo@redhat.com>
9300 * omp-low.c: New file.
9301 * c-omp.c: New file.
9303 2006-01-18 Richard Henderson <rth@redhat.com>
9304 Jakub Jelinek <jakub@redhat.com>
9305 Diego Novillo <dnovillo@redhat.com>
9307 * doc/invoke.texi: Document -fopenmp.
9308 * tree-dump.h (debug_function): Declare.
9309 * hooks.c (hook_bool_tree_bool_false): New function.
9310 (hook_tree_tree_null): Remove.
9311 (hook_tree_tree_tree_null): New.
9312 * hooks.h: Update to match.
9313 * tree-pretty-print.c (debug_tree_chain): New.
9314 (print_generic_expr): Handle TDF_CHAIN.
9315 (dump_generic_node): Handle BLOCK.
9316 Do not abort with incomplete SWITCH_EXPRs.
9317 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9318 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9319 print space after directive name.
9320 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9321 Handle OMP_MASTER and OMP_ORDERED.
9322 Handle printing of OMP_BODY just in one place, goto
9323 dump_omp_body in the rest of OMP_* nodes that have
9324 OMP_BODY.
9325 Don't handle clause nodes here. Update omp statements to
9326 use dump_omp_clauses.
9327 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9328 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9329 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9330 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9331 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9332 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9333 Adjust output for GOMP_PARALLEL.
9334 (dump_omp_clauses): New.
9335 (print_declaration): Dump DECL_VALUE_EXPR.
9336 (op_symbol_1): Split out of op_symbol.
9337 (dumping_stmts): Remove. Update all users.
9338 * cgraph.c (cgraph_analyze_queue): New.
9339 (cgraph_add_new_function): New.
9340 * cgraph.h (cgraph_analyze_queue): Declare.
9341 (cgraph_add_new_function): Declare.
9342 (cgraph_lower_function): Remove.
9343 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9344 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9345 and TYPE_P nodes in its default clause.
9346 (empty_body_p): New.
9347 (tree_range_check_failed): New.
9348 (build5_stat): New.
9349 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9350 OMP_CLAUSE_REDUCTION_MERGE,
9351 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9352 OMP_CLAUSE_PRIVATE_DEBUG,
9353 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9354 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9355 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9356 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9357 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9358 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9359 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9360 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9361 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9362 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9363 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9364 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9365 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9366 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9367 (TREE_RANGE_CHECK): New.
9368 (empty_body_p): Declare.
9369 (enum omp_clause_default_kind): New.
9370 (build_string_literal): Declare.
9371 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9372 (build5_stat, build5): Declare.
9373 * tree-pass.h (TDF_CHAIN): Define.
9374 * tree-pass.h (PROP_gimple_lomp): Define.
9375 (pass_lower_omp): Declare.
9376 * diagnostic.h (debug_tree_chain): Declare.
9377 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9378 mode_for_size.
9379 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9380 * builtins.c (build_string_literal): Make extern.
9381 * gcc.c (include_spec_function): New.
9382 (static_spec_functions): Add it.
9383 (main): Move load of libgomp.spec ...
9384 (LINK_COMMAND_SPEC): ... here.
9385 (link_gomp_spec): New.
9386 (static_specs): Include it.
9387 (LINK_COMMAND_SPEC): Add link_gomp.
9388 (GOMP_SELF_SPECS): New.
9389 (driver_self_specs): Include it.
9390 (switch_matches): Don't mark inline.
9391 (main): Load libgomp.spec.
9392 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9393 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9394 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9395 * tree-gimple.h (enum omp_parallel): Declare.
9396 (determine_parallel_type): Declare.
9397 (omp_firstprivatize_variable): Declare.
9398 (omp_reduction_init): Declare.
9399 (diagnose_omp_structured_block_errors): Declare.
9400 (struct walk_stmt_info): Add want_return_expr.
9401 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9402 (find_omp_clause): Declare.
9403 (insert_field_into_struct): Declare.
9404 (struct walk_stmt_info): Move from tree-nested.c
9405 (walk_stmts): Declare.
9406 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9407 to 200505.
9408 * cgraphunit.c (cgraph_lower_function): Make static.
9409 (cgraph_finalize_pending_functions): New.
9410 (cgraph_finalize_function): Call it.
9411 (cgraph_finalize_compilation_unit): Likewise.
9412 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9413 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9414 (BT_FN_UINT_UINT): New.
9415 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9416 DEF_FUNCTION_TYPE_VAR_4): Document.
9417 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9418 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9419 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9420 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9421 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9422 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9423 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9424 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9425 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9426 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9427 into separate files.
9428 (DEF_GOMP_BUILTIN): New.
9429 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9430 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9431 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9432 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9433 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9434 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9435 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9436 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9437 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9438 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9439 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9440 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9441 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9442 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9443 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9444 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9445 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9446 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9447 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9448 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9449 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9450 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9451 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9452 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9453 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9454 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9455 * sync-builtins.def: New file, moved from builtins.def.
9456 * omp-builtins.def: New file, moved from builtins.def.
9457 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9458 * gimple-low.c (lower_function_body): Clear data.
9459 (lower_stmt): Do not handle COMPOUND_EXPR.
9460 Remove call to print_node_brief.
9461 * c-tree.h (c_finish_omp_clauses): New prototype.
9462 (C_DECL_THREADPRIVATE_P): Define.
9463 (lookup_name_no_remap, c_omp_remap_private): Remove
9464 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9465 (check_for_loop_decls): Update decl.
9466 (lookup_name_no_remap, c_omp_remap_private): Declare.
9467 (build_indirect_ref, build_modify_expr, pushdecl,
9468 pushdecl_top_level): Move to c-common.h.
9469 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9470 before the switch, but just in the 2 places that need it.
9471 * c-decl.c (diagnose_mismatched_decls): Do not check for
9472 mismatched thread-local attributes when OLDDECL is marked
9473 threadprivate and NEWDECL has no thread-local attributes.
9474 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9475 (c_gimple_diagnostics_recursively): Rename from
9476 c_warn_unused_result_recursively. Invoke
9477 diagnose_omp_structured_block_errors.
9478 (check_for_loop_decls): Return a singular decl found.
9479 * langhooks.c (lhd_omp_predetermined_sharing): Return
9480 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9481 (lhd_omp_firstprivatize_type_sizes): New.
9482 (lhd_omp_assignment): New.
9483 (lhd_omp_predetermined_sharing): New.
9484 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9485 (struct lang_hooks_for_types): Add
9486 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9487 omp_predetermined_sharing, omp_disregard_value_expr,
9488 omp_private_debug_clause, omp_clause_default_ctor,
9489 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9490 (c_finish_omp_clauses): New.
9491 (c_finish_bc_stmt): Diagnose break within omp for.
9492 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9493 (build_unary_op): Return error_mark after reporting
9494 a readonly_error.
9495 (build_modify_expr): Likewise.
9496 * gimplify.c: Include optabs.h and pointer-set.h.
9497 (enum gimplify_omp_var_data): Declare.
9498 (struct gimplify_omp_ctx): Declare.
9499 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9500 and combined_ctxp.
9501 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9502 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9503 (splay_tree_compare_decl_uid): New.
9504 (new_omp_context): New.
9505 (delete_omp_context): New.
9506 (gimple_add_tmp_var): Call omp_add_variable.
9507 (gimplify_bind_expr): Likewise.
9508 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9509 true, disregard DECL_VALUE_EXPR on the decl if any.
9510 (gimplify_expr_in_ctx): New.
9511 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9512 omp_add_variable, omp_notice_variable, omp_is_private
9513 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9514 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9515 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9516 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9517 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9518 gimplify_omp_atomic): New.
9519 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9520 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9521 OMP_CRITICAL and OMP_ATOMIC.
9522 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9523 * c-pragma.h (enum pragma_kind): Add
9524 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9525 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9526 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9527 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9528 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9529 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9530 PRAGMA_OMP_THREADPRIVATE.
9531 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9532 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9533 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9534 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9535 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9536 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9537 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9538 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9539 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9540 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9541 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9542 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9543 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9544 OpenMP directives.
9545 (struct nesting_info): Add field_map,
9546 suppress_expansion, debug_var_chain.
9547 (create_nesting_tree): Initialize them.
9548 (lookup_field_for_decl): Use field_map.
9549 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9550 (convert_local_omp_clauses): New.
9551 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9552 (walk_body): Split out of walk_function.
9553 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9554 (convert_nonlocal_reference): Handle omp statements.
9555 (convert_local_reference): Likewise.
9556 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9557 (unnest_nesting_tree): New.
9558 (lower_nested_functions): Call it.
9559 (insert_field_into_struct): Make extern.
9560 (struct walk_stmt_info): Move to tree-gimple.h.
9561 (walk_stmts): Make extern.
9562 * omp-builtins.def: New file.
9563 * tree-iterator.c (expr_only): Clarify comment.
9564 * c-common.h (pushdecl_top_level, pushdecl,
9565 build_modify_expr, build_indirect_ref,
9566 c_finish_omp_master, c_finish_omp_critical,
9567 c_finish_omp_ordered, c_finish_omp_barrier,
9568 c_finish_omp_atomic, c_finish_omp_flush,
9569 c_finish_omp_for, c_split_parallel_clauses,
9570 omp_clause_default_kind, c_omp_sharing_predetermined,
9571 c_omp_remap_decl): Declare.
9572 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9573 (OBJS-common): Add omp-low.o.
9574 (c-omp.o, omp-low.o): Add.
9575 (gimplify.o): Add dependency on $(OPTABS_H).
9576 (GTFILES): Add omp-low.c.
9577 (gt-stringpool.h): Add.
9578 * tree-cfg.c (set_bb_for_stmt): Do not update the
9579 block-to-labels map if we are currently expanding to RTL.
9580 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9581 checks.
9582 Handle IDENTIFIER_NODE.
9583 (tree_verify_flow_info): Do not ICE when emitting error
9584 messages about invalid labels.
9585 (dump_function_to_file): Reset CFUN before emitting the body
9586 of the function.
9587 (debug_function): New.
9588 * passes.c (init_optimization_passes): Schedule
9589 pass_lower_omp.
9590 * langhooks-def.h (lhd_omp_predetermined_sharing,
9591 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9592 Declare.
9593 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9594 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9595 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9596 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9597 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9598 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9599 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9600 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9601 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9602 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9603 (LANG_HOOK_DECLS): Use them.
9605 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9606 Richard Henderson <rth@redhat.com>
9607 Jakub Jelinek <jakub@redhat.com>
9608 Diego Novillo <dnovillo@redhat.com>
9610 * c-parser.c (pragma_omp_clause): Define.
9611 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9612 (c_parser_compound_statement): Likewise.
9613 (c_parser_statement): Likewise.
9614 (c_parser_pragma): Handle omp pragmas.
9615 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9616 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9617 (c_parser_omp_clause_name, check_no_duplicate_clause,
9618 c_parser_omp_variable_list,
9619 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9620 c_parser_omp_clause_copyprivate,
9621 c_parser_omp_clause_default,
9622 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9623 c_parser_omp_clause_lastprivate,
9624 c_parser_omp_clause_nowait,
9625 c_parser_omp_clause_num_threads,
9626 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9627 c_parser_omp_clause_reduction,
9628 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9629 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9630 c_parser_omp_atomic, c_parser_omp_barrier,
9631 c_parser_omp_critical, c_parser_omp_flush,
9632 c_parser_omp_for_loop, c_parser_omp_for,
9633 c_parser_omp_master, c_parser_omp_ordered,
9634 c_parser_omp_sections_scope, c_parser_omp_sections,
9635 c_parser_omp_parallel, c_parser_omp_single,
9636 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9637 * c-pragma.c (init_pragma): Do omp pragma registration here.
9638 * c.opt (fopenmp): New flag.
9640 2006-01-18 Eric Christopher <echristo@apple.com>
9642 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9643 * config/darwin.h (GOMP_SELF_SPECS): Define.
9645 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9647 * rtl.h: Remove the prototype for reg_alloc.
9649 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9651 PR target/25731
9652 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9653 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9654 sjlj and dwarf2 exception handling.
9655 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9656 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9657 * pa/pa.c (function_value): Treat complex and vector types as
9658 aggregates.
9659 (function_arg): Likewise. Only pass scalar floats in the floating
9660 point argument registers.
9661 * pa/t-slibgcc-dwarf-ver: New file.
9662 * pa/t-slibgcc-sjlj-ver: New file.
9663 * pa/t-slibgcc-elf-ver: Delete file.
9665 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9667 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9668 unlikely_test_section_p test.
9670 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9672 * mode-switching.c (optimize_mode_switching): Make it static.
9673 * basic-block.h: Remove the prototype for
9674 optimize_mode_switching.
9676 * modulo-sched.c (sms_schedule): Make it static.
9677 * rtl.h: Remove the prototype for sms_schedule.
9679 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9680 * rtl.h: Remove the prototype for gcse_after_reload_main.
9682 * reg-stack.c (reg_to_stack): Make it static.
9683 * rtl.h: Remove the prototype for reg_to_stack.
9685 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9686 Make them static.
9687 * rtl.h: Remove the prototypes for regrename_optimize and
9688 copyprop_hardreg_forward.
9690 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9692 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9693 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9694 Test against the appropriate null constant for the mode.
9695 If 'fixup_overlap' is true, swap the operands if they overlap.
9696 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9697 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9698 alpha_split_tmode_pair and adjust for above change.
9699 * config/alpha/alpha.md (movtf_internal): Adjust call to
9700 alpha_split_tfmode_pair and rely on it to swap the operands.
9701 (movti_internal): New insn and post-reload splitter.
9702 (movti): New expander.
9704 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9706 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9707 operands.
9709 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9711 * rtlanal.c (global_reg_mentioned_p_1,
9712 global_reg_mentioned_p): Remove.
9713 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9715 * flow.c (initialize_uninitialized_subregs): Make it static.
9716 * rtl.h: Remove the prototype for
9717 initialize_uninitialized_subregs.
9719 * function.c (instantiate_virtual_regs): Make it static.
9720 * function.h: Remove the prototype for
9721 instantiate_virtual_regs.
9723 * regmove.c (regmove_optimize, combine_stack_adjustments):
9724 Make them static.
9725 * rtl.h: Remove the prototypes for regmove_optimize and
9726 combine_stack_adjustments.
9728 2006-01-17 Roger Sayle <roger@eyesopen.com>
9730 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9731 (size_cost): Encode costs in bytes so that a reg-reg addition is
9732 equivalent to COSTS_N_INSNS(1).
9733 (override_options): Use the size_cost.branch_cost as the default
9734 ix86_branch_cost when optimizing for size.
9736 2006-01-18 Ben Elliston <bje@au.ibm.com>
9738 * Makefile.in (D32PBIT_FUNCS): New.
9739 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9740 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9741 D64PBIT_FUNCS and D128PBIT_FUNCS.
9742 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9743 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9744 D128PBIT are set.
9745 (decnumber_dep): Define.
9746 * doc/libgcc.texi (Decimal float library routines): New node.
9747 * config/dfp-bit.h, config/dfp-bit.c: New files.
9749 2006-01-18 Ben Elliston <bje@au.ibm.com>
9751 * expr.c (emit_move_change_mode): Always adjust addresses, not
9752 just during reload. Copy replacements only during reload.
9753 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9754 emit_move_via_integer.
9756 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9758 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9759 instead of $(srcdir) and ${srcdir}.
9761 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9763 PR target/592
9764 PR middle-end/11135
9765 * arm.h (struct machine_function): Add pic_reg.
9766 * arm.c (arm_pic_register): Make unsigned.
9767 (arm_override_options): Only set arm_pic_register if
9768 TARGET_SINGLE_PIC_BASE.
9769 (use_return_insn): Only test for a pic register if it is fixed.
9770 (arm_compute_save_reg0_reg12_mask): Likewise.
9771 (thumb_compute_save_reg_mask): Likewise.
9772 (legitimate_pic_operand): Factor out some known invariants.
9773 (legitimize_pic_address): If we don't have a fixed pic register,
9774 then set up a pseudo in the function entry sequence. Handle the
9775 pic base being in a pseudo.
9776 (arm_load_pic_register): Handle the pic register being in a pseudo.
9777 (arm_expand_prologue): Only set up the pic register if it is fixed.
9778 (thumb_expand_prologue): Likewise.
9779 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9780 (pic_load_addr_based_insn): Likewise.
9781 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9782 fixed.
9784 2006-01-18 Ben Elliston <bje@au.ibm.com>
9786 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9787 decimal float modes for all floating point registers.
9789 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9790 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9792 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9794 PR c/25682
9795 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9796 even when the pointer is not NULL.
9798 2006-01-16 Ian Lance Taylor <ian@airs.com>
9800 * common.opt (ftoplevel-reorder): New option.
9801 * cgraph.c (cgraph_asm_nodes): New global variable.
9802 (cgraph_asm_last_node): New static variable.
9803 (cgraph_order): New global variable.
9804 (cgraph_create_node): Set new order field.
9805 (cgraph_varpool_node): Likewise.
9806 (decide_is_variable_needed): Return true if not
9807 flag_toplevel_reorder.
9808 (cgraph_add_asm_node): New function.
9809 * cgraph.h (struct cgraph_node): Add order field.
9810 (struct cgraph_varpool_node): Add order field.
9811 (struct cgraph_asm_node): Define.
9812 (cgraph_asm_nodes, cgraph_order): Declare.
9813 (cgraph_add_asm_node): Declare.
9814 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9815 function.
9816 (cgraph_varpool_assemble_pending_decls): Call it.
9817 (cgraph_output_pending_asms): New static function.
9818 (cgraph_finalize_compilation_unit): Call it.
9819 (struct cgraph_order_sort): Define.
9820 (cgraph_output_in_order): New static function.
9821 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9822 !flag_toplevel_reorder case.
9823 * c-parser.c: Include "cgraph.h".
9824 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9825 assemble_asm.
9826 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9827 than -fno-unit-at-a-time.
9828 * doc/invoke.texi (Option Summary): Mention
9829 -fno-toplevel-reorder.
9830 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9831 -funit-at-a-time documentation.
9833 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9834 Kazu Hirata <kazu@codesourcery.com>
9836 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9838 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9840 * Makefile.in (FUNCTION_H): New. Use it instead of
9841 function.h throughout the file.
9842 * function.h: Include tree.h.
9844 2006-01-17 Ben Elliston <bje@au.ibm.com>
9846 * recog.c: Separate some functions with whitespace.
9848 2006-01-16 Richard Henderson <rth@redhat.com>
9850 Merge from gomp branch:
9851 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9852 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9853 and rename from struct inline_data. Rename callee* to dst*;
9854 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9855 transform_new_cfg, transform_return_to_modify, and
9856 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9857 update_clones_p.
9858 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9859 (copy_decl_for_dup): Remove.
9860 * tree-inline.c (struct inline_data): Move to header.
9861 (insert_decl_map): Export.
9862 (remap_decl): Update for member name changes. Use copy_decl hook.
9863 Allow for replacement to be a non-decl. Remove dead code.
9864 (remap_type_1): Check for existing mapping.
9865 (remap_type): Export.
9866 (remap_decls): Update for member name changes.
9867 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9868 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9869 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9870 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9871 (tree_function_versioning, build_duplicate_type): Likewise.
9872 (copy_body_r): Likewise. Export.
9873 (copy_decl_for_dup): Split into ...
9874 (copy_decl_for_dup_finish, copy_decl_to_var,
9875 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9876 (replace_ref_tree, inlining_p): Remove.
9878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9880 * ifcvt.c (if_convert): Make it static.
9881 * rtl.h: Remove the prototype for if_convert.
9883 * local-alloc.c (local_alloc): Make it static.
9884 * rtl.h: Remove the prototype for local_alloc.
9886 * loop.c (loop_optimize): Make it static.
9887 * cfgloop.h: Remove the prototype for loop_optimize.
9888 * rtl.h: Likewise.
9890 2006-01-16 DJ Delorie <dj@redhat.com>
9892 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9893 mems.
9895 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9897 * pa.md: Disparage copies between general and floating-point registers
9898 in 32-bit move patterns.
9900 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9902 PR testsuite/25741
9903 * Makefile.in (check-%): Depend on site.exp instead of
9904 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9905 directories.
9907 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9909 * global.c (global_alloc): Make it static.
9910 * rtl.h: Remove the prototype for global_alloc.
9912 2006-01-16 Richard Guenther <rguenther@suse.de>
9914 * tree-ssa-alias.c (struct used_part): Add write_only field.
9915 (get_or_create_used_part_for): Initialize it to true.
9916 (create_overlap_variables_for): Don't create structure variables
9917 for structures that only are written to.
9918 (find_used_portions): Handle MODIFY_EXPR to track whether a
9919 structure is only written to.
9921 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9923 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9924 static.
9925 * basic-block.h: Remove the prototype for
9926 partition_hot_cold_basic_blocks.
9928 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9930 * cppspec.c (lang_specific_spec_functions): Remove.
9931 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9932 * gcc.h (lang_specific_spec_functions): Remove.
9933 * gccspec.c (lang_specific_spec_functions): Remove.
9935 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9937 * combine.c (record_value_for_reg): Invalidate registers
9938 if INSN is null.
9939 (record_dead_and_set_regs_1): Likewise, by passing them to
9940 record_value_for_reg.
9941 (record_dead_and_set_regs): Invalidate stores made by a
9942 call. We do not combine across a call, but we still
9943 relied on equivalences.
9945 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9947 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9948 vrp_int_const_binop returning non-constant nodes.
9950 2006-01-16 Paul Brook <paul@codesourcery.com>
9952 * config/m68k/m68k.c (output_move_const_into_data_reg):
9953 Output correct mnemonic for mvz and mvs.
9955 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9957 * rtl-factoring.c: Add sequence abstraction algorithm.
9958 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9959 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9960 ABNORMAL edges.
9961 (block_has_preserve_label): New function.
9962 * common.opt: Register new pass.
9963 * Makefile.in: Ditto.
9964 * passes.c: Ditto.
9965 * timevar.def: Ditto.
9966 * tree-pass.h: Ditto.
9967 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9968 * rtl.h (make_jump_insn_raw): Add forward decl.
9969 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9971 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9972 Roger Sayle <roger@eyesopen.com>
9974 * fold-const.c (fold_minmax): New static function.
9975 (fold_binary) <MIN_EXPR>: Call it.
9976 <MAX_EXPR>: Likewise.
9977 * stor-layout.c (place_field): Use DECL_SIZE consistently
9978 in the computation of the new record size.
9980 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9982 * cse.c (cse_condition_code_reg): Make it static.
9983 * rtl.h: Remove the prototype for cse_condition_code_reg.
9985 * combine.c (combine_instructions): Make it static.
9986 * rtl.h: Remove the prototype for combine_instructions.
9988 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9990 PR target/25168
9991 * tree.c (get_file_function_name_long): Concatenate the first global
9992 object name with a string derived from the input filename of the object
9993 for type "F".
9995 2006-01-16 Ben Elliston <bje@au.ibm.com>
9997 * config/i386/winnt-stubs.c: Update FSF address.
9998 * config/xtensa/ieee754-df.S: Ditto.
9999 * config/xtensa/ieee754-sf.S: Ditto.
10001 2006-01-14 Ian Lance Taylor <ian@airs.com>
10003 * ifcvt.c (noce_init_if_info): New static function, broken out of
10004 noce_process_if_block.
10005 (noce_process_if_block): Call noce_init_if_info.
10006 (check_cond_move_block): New static function.
10007 (cond_move_process_if_block): New static function.
10008 (process_if_block): Call cond_move_process_if_block.
10010 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10012 * cselib.c (hash_table): Rename to cselib_hash_table.
10013 (cselib_clear_table, discard_useless_values,
10014 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10015 cselib_init, cselib_finish): Adjust uses of hash_table.
10017 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10019 PR tree-optimization/25485
10020 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10021 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10022 is known to be false and true, respectively.
10024 2006-01-14 Richard Guenther <rguenther@suse.de>
10026 PR tree-optimization/22548
10027 PR tree-optimization/22555
10028 PR tree-optimization/22501
10029 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10030 * params.def (salias-max-array-elements): New parameter.
10031 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10032 * doc/invoke.texi (salias-max-array-elements): Document.
10033 * tree-flow-inline.h (var_can_have_subvars): We also handle
10034 arrays now.
10035 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10036 COMPONENT_REF.
10037 * tree-ssa-structalias.c (params.h): Include.
10038 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10039 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10040 (get_constraint_for): For ADDR_EXPR operating on something
10041 containing an ARRAY_REF, add all subvars to the solution.
10042 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10043 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10044 for creating MUST_DEFs.
10045 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10047 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10049 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10050 functions.
10051 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10052 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10053 number_of_iterations_le): New functions.
10054 (number_of_iterations_special): Removed.
10055 (number_of_iterations_exit): Do not use number_of_iterations_special.
10056 * tree.c (unsigned_type_for): Always return integer type.
10058 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10059 Richard Guenther <rguenther@suse.de>
10061 PR rtl-optimization/24257
10062 * gcse.c (find_moveable_store): Only consider a store movable
10063 when the SET_SRC of the insn can be assigned to a register.
10065 2006-01-14 Ian Lance Taylor <ian@airs.com>
10067 * tree.c (tree_not_class_check_failed): New function.
10068 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10069 (tree_not_class_check_failed): Declare.
10071 2006-01-13 Ian Lance Taylor <ian@airs.com>
10073 * reload1.c (do_output_reload): Add assertion rejecting a
10074 CALL_INSN.
10076 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10078 * combine.c (struct reg_stat): Add new fields truncation_label and
10079 truncated_to_mode.
10080 (record_value_for_reg): Reset truncated_to_mode.
10081 (record_truncated_value): New function.
10082 (check_promoted_subreg): Call it. Rename to check_conversions.
10083 (combine_instructions): Rename check_promoted_subreg to
10084 check_conversions.
10085 (reg_truncated_to_mode): New function.
10086 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10087 (gen_lowpart_or_truncate): New function.
10088 (force_to_mode): Use it instead of gen_lowpart.
10090 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10092 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10093 VAR is a tag, not its type tag.
10095 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10097 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10098 alternatives to match style of other entries.
10099 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10101 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10103 PR tree-optimization/25771
10104 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10105 SSA_NAMES.
10107 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10109 PR tree-opt/24365
10110 * tree-inline.c (declare_return_variable): If the return variable
10111 was marked as a non gimple complex, set the return slot variable
10112 to be a non gimple comple variable.
10114 2006-01-13 Richard Guenther <rguenther@suse.de>
10116 * builtins.c (expand_builtin_sincos): New function.
10117 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10118 do not set errno.
10119 (expand_builtin): Expand sincos using expand_builtin_sincos.
10121 2006-01-12 DJ Delorie <dj@redhat.com>
10123 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10124 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10125 so that constant shifts can be split.
10126 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10127 (m32c_valid_pointer_mode): Make static.
10128 (shift_gen_func_for): New.
10129 (m32c_prepare_shift): Use it. Split large const shifts into
10130 multiple shifts.
10131 * config/m32c/predicates.md (shiftcount_operand): Allow more
10132 general operands.
10133 (longshiftcount_operand): New.
10134 * doc/md.texi (Machine Constraints): Document In6.
10136 2006-01-13 Ben Elliston <bje@au.ibm.com>
10138 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10139 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10140 documentation.
10142 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10144 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10145 to try to avoid clobbering pieces of structures when we know
10146 something about the whole structure.
10147 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10149 2006-01-13 Ben Elliston <bje@au.ibm.com>
10151 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10152 return in memory, as this is no limitation is no longer present.
10154 2006-01-12 DJ Delorie <dj@redhat.com>
10156 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10157 mova with fb, and for fb+0 -> An.
10159 * config/m32c/mov.md (peephole2): Fix enabling logic.
10161 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10162 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10163 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10164 FINI_ARRAY_SECTION_ASM_OP): Define.
10166 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10167 variable.
10168 (m32c_legitimize_reload_address): New logic to reload FB to An.
10169 (m32c_output_reg_push): Add newline.
10170 (m32c_output_reg_pop): Likewise.
10172 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10174 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10176 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10178 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10180 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10182 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10183 match_code.
10185 2006-01-11 Ben Elliston <bje@au.ibm.com>
10187 * rtlanal.c (find_reg_note): Assert insn is not null.
10189 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10191 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10192 ifdef.
10194 2006-01-11 Jeff Law <law@redhat.com>
10196 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10197 hold edge pairs.
10198 (mark_threaded_blocks, register_jump_thread): New functions.
10199 (thread_through_all_blocks): Remove unwanted argument. No
10200 longer rely on e->aux to communicate thread target info.
10201 Call mark_threaded_blocks. Release the threaded_blocks
10202 bitmap and threaded_edges vector when complete.
10203 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10204 (threaded_blocks): Remove.
10205 (tree_ssa_dominator_optimize): Remove initialization and
10206 finalization of threaded_blocks. Simplify call to
10207 thread_through_all_blocks.
10208 (thread_across_edge): Call register_jump_thread rather than
10209 storing thread information into e->aux.
10210 (free_all_edge_infos): Simplify now that e->aux is no longer
10211 used to communicate with thread_through_all_blocks.
10212 * tree-flow.h (thread_through_all_blocks): Update prototype.
10213 (register_jump_thread): Prototype.
10215 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10217 * df-core.c (df_compact_blocks, df_bb_replace): Use
10218 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10220 2006-01-11 Richard Guenther <rguenther@suse.de>
10222 PR tree-optimization/25734
10223 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10224 stop propagation after successful propagation to the LHS.
10226 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10228 * basic-block.h (control_flow_graph): Change the type of
10229 x_basic_block_info to VEC(basic_block,gc) *.
10230 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10231 basic_block_info.
10232 (SET_BASIC_BLOCK): New.
10233 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10234 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10235 * cfgbuild.c (find_basic_blocks): Likewise.
10236 * cfglayout.c (fixup_reorder_chain): Likewise.
10237 * cfgrtl.c (create_basic_block_structure,
10238 rtl_create_basic_block): Likewise.
10239 * ifcvt.c (find_if_case_1): Likewise.
10240 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10241 Likewise.
10243 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10245 * Makefile.in: Removed rotted odf.c entry.
10247 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10249 PR target/25706
10250 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10251 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10252 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10253 output pattern modifier, not %e.
10254 * config/cris/cris.c (cris_op_str): Update comment about pattern
10255 modifier.
10256 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10257 before falling through into...
10258 <case 'E'>: Redefined from old 'e' case.
10260 2006-01-11 Jan Hubicka <jh@suse.cz>
10262 PR target/25042
10263 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10265 2006-01-11 Jan Hubicka <jh@suse.cz>
10267 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10268 * i386.c (x86_decompose_lea): Kill.
10269 (ix86_rtx_costs): Kill.
10271 2006-01-11 Jan Hubicka <jh@suse.cz>
10273 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10274 * cgraph.h (cgraph_node): Add inline_decl.
10275 (cgraph_insert_node_to_hashtable): Declare.
10276 (save_inline_function_body): Declare.
10277 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10278 clones.
10279 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10280 (cgraph_function_versioning): Update call of tree_function_versioning.
10281 (save_inline_function_body): New function.
10282 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10283 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10284 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10285 (cgraph_default_inline_p): Likewise.
10286 (cgraph_decide_inlining_incrementally): Likewise.
10287 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10288 (copy_bb): Kill saving; do updating of clones.
10289 (copy_cfg_body): Kill saving.
10290 (initialize_inlined-parameters): Likewise.
10291 (expand_call_inline): Likewise.
10292 (save_body): Kill.
10293 (tree_function_versioning): New parameter "update_clones".
10294 (inlining_p): Kill saving.
10295 * tree-inline.h (tree_function_versioning): Update prototype.
10296 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10297 saving.
10299 2006-01-11 Ian Lance Taylor <ian@airs.com>
10301 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10302 Allow undoing set of machine mode.
10303 (do_SUBST): Use enums instead of is_int.
10304 (do_SUBST_MODE): New function.
10305 (SUBST_MODE): New macro.
10306 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10307 reg and trying to replace reg_regno_rtx with a new register.
10308 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10309 (simplify_set): Use SUBST_MODE.
10310 (distribute_notes): Remove code that tried to update reg notes
10311 for regno_reg_rtx changes.
10313 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10315 PR tree-optimization/23109
10316 PR tree-optimization/23948
10317 PR tree-optimization/24123
10319 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10320 * tree-cfg.c (single_noncomplex_succ): New.
10321 * tree-flow.h (single_noncomplex_succ): Declare it.
10322 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10323 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10324 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10325 insert_bb, register_division_in, insert_reciprocals,
10326 replace_reciprocal, free_bb): New.
10327 (execute_cse_reciprocals_1): Rewritten.
10328 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10329 Do not commit any edge insertion. Always compute dominators and
10330 create the allocation pool.
10331 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10332 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10333 * targhooks.c (default_min_divistions_for_recip_mul): New.
10334 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10335 * passes.c (init_optimization_passes): Run recip after tree loop
10336 optimizations.
10337 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10339 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10340 Kenneth Zadeck <zadeck@naturalbridge.com>
10342 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10343 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10344 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10345 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10346 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10347 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10348 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10349 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10350 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10351 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10352 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10353 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10354 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10355 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10356 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10357 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10358 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10359 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10360 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10361 DF_SCAN_POST_ALLOC): New macros.
10362 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10363 df_free_bb_function, df_local_compute_function, df_init_function,
10364 df_dataflow_function, df_confluence_function_0,
10365 df_confluence_function_n, df_transfer_function,
10366 df_finalizer_function, df_free_function, df_dump_problem_function,
10367 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10368 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10369 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10370 df_urec_bb_info, ) New types.
10371 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10372 variables.
10373 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10374 df_analyze_simple_change_some_blocks,
10375 df_analyze_simple_change_one_block, df_compact_blocks,
10376 df_bb_replace, df_bb_regno_last_use_find,
10377 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10378 df_insn_regno_def_p, df_find_def, df_find_use,
10379 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10380 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10381 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10382 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10383 debug_df_chain, df_get_dependent_problem, df_chain_create,
10384 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10385 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10386 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10387 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10388 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10389 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10390 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10391 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10392 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10393 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10394 df_reorganize_refs, df_set_state, df_hard_reg_init,
10395 df_read_modify_subreg_p) New public functions.
10396 * df-core.c: The core dataflow solver and glue routines for rtl
10397 dataflow.
10398 (df_init, df_add_problem, df_set_blocks, df_finish,
10399 df_hybrid_search_forward, df_hybrid_search_backward,
10400 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10401 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10402 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10403 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10404 df_reg_defined, df_find_use, df_reg_used, df_dump,
10405 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10406 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10407 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10408 debug_df_useno, reset_df_after_reload): New functions.
10409 * df-scan.c: The scanning fuctions, once in df.c, completely
10410 rewritten so that they now fully model the functionality of
10411 register usage at the backend.
10412 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10413 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10414 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10415 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10416 df_get_artificial_defs, df_get_artificial_uses,
10417 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10418 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10419 df_refs_delete, df_reorganize_refs, df_set_state,
10420 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10421 df_def_record_1, df_defs_record, df_uses_record,
10422 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10423 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10424 df_record_exit_block_uses, df_hard_reg_init): New functions.
10426 * df-problems.c: Seven concrete dataflow problems that use the
10427 scanning in df-scan.c and are solved by the engine in df-core.c.
10428 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10429 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10430 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10431 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10432 df_ru_free_bb_info, df_ru_alloc,
10433 df_ru_bb_local_compute_process_def,
10434 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10435 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10436 df_ru_transfer_function, df_ru_free, df_ru_dump,
10437 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10438 df_rd_free_bb_info, df_rd_alloc,
10439 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10440 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10441 df_rd_transfer_function, df_rd_free, df_rd_dump,
10442 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10443 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10444 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10445 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10446 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10447 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10448 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10449 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10450 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10451 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10452 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10453 df_urec_mark_reg_use_for_earlyclobber,
10454 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10455 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10456 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10457 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10458 df_chain_create_bb_process_use, df_chain_create_bb,
10459 df_chain_finalize, df_chain_free, df_chains_dump,
10460 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10461 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10462 df_reg_lifetime): New functions.
10463 * df.c: Deleted file.
10464 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10465 consistent with new df api.
10466 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10467 rest_of_handle_sms): Ditto.
10468 * web.c (unionfind_union, union_defs, entry_register, web_main):
10469 Ditto.
10470 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10471 invariant_expr_equal_p, find_defs, check_dependencies,
10472 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10473 free_inv_motion_data, move_loop_invariants): Ditto.
10474 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10475 Update dependencies.
10476 (odf.c): Added defective entry that was deleted later in day.
10477 * sched-deps.c (sched_analyze_1): Ditto.
10479 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10481 * tree-ssa-operands.c (get_expr_operands): Record addressable
10482 variables directly. Do not call add_stmt_operands for CONST_DECLs
10483 and ARRAY_DECLs.
10484 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10485 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10487 2006-01-11 Ben Elliston <bje@au.ibm.com>
10489 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10490 function returns true in the positive case.
10492 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10494 PR target/20754
10495 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10496 for SI, DI, SF and DF modes. Add alternatives to copy between
10497 general and floating point registers to the 32-bit patterns.
10498 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10499 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10500 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10501 generating 64-bit code.
10502 * config/pa/pa.c (output_move_double): Handle copies between general
10503 and floating registers.
10505 2006-01-10 Stuart Hastings <stuart@apple.com>
10507 * config/i386/i386.md (set_got): Update.
10508 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10509 (builtin_setjmp_receiver): Mach-O support.
10510 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10511 (GOT_SYMBOL_NAME): Define.
10512 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10513 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10514 * config/i386/i386.c (override_options): Revise for Darwin.
10515 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10516 support. (darwin_x86_file_end): New. (output_set_got): Add label
10517 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10518 * config/i386/i386-protos.h (output_set_got): Likewise.
10519 * config/darwin.c (machopic_legitimize_pic_address): Update
10520 regs_ever_live[].
10522 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10524 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10525 when MODE isn't BLKmode.
10527 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10529 PR rtl-optimization/25367
10530 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10532 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10534 PR target/25718
10535 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10536 for a negative bound.
10538 2006-01-10 Richard Guenther <rguenther@suse.de>
10540 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10541 Never override with anything constraint.
10543 2006-01-10 Jan Beulich <jbeulich@novell.com>
10545 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10546 256 bits when optimize_size.
10548 2006-01-10 Jan Beulich <jbeulich@novell.com>
10550 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10551 MASK_ALIGN_DOUBLE.
10552 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10553 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10554 arguments.
10556 2006-01-10 Ben Elliston <bje@au.ibm.com>
10558 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10559 float modes.
10560 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10561 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10562 (USE_FP_FOR_ARG): Reject decimal float modes.
10563 (function_arg_advance): Likewise.
10564 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10565 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10566 point types in AltiVec vectors.
10567 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10568 (rs6000_libcall_value): Likewise.
10570 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10572 * config/xtensa/ieee754-df.S: New file.
10573 * config/xtensa/ieee754-sf.S: New file.
10574 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10575 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10576 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10578 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10580 * config/sh/predicates.md (binary_float_operator,
10581 binary_logical_operator, commutative_float_operator,
10582 equality_comparison_operator, greater_comparison_operator,
10583 less_comparison_operator, logical_operator,
10584 noncommutative_float_operator, shift_operator,
10585 symbol_ref_operand, unary_float_operator): Remove redundant
10586 conditionals.
10588 2006-01-09 Jeff Law <law@redhat.com>
10590 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10591 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10592 now unused arguments. Callers updated.
10593 (eliminate_redundant_computations): Remove now unused arguments,
10594 callers updated.
10595 (local_fold): Remove, no longer used.
10596 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10597 and moved to...
10598 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10599 (simplify_cond): New function.
10600 (forward_propagate_into_cond): Call simplify_cond.
10602 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10604 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10605 (*vec_extractv2di_1_sse): New.
10607 2006-01-09 Ben Elliston <bje@au.ibm.com>
10609 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10611 2006-01-08 Richard Guenther <rguenther@suse.de>
10613 * tree-ssa-structalias.c (get_constraint_for): Remove
10614 anyoffset argument.
10615 (get_constraint_for_component_ref): Likewise.
10616 (do_deref): Likewise.
10617 (get_constraint_for): Likewise.
10618 (do_structure_copy): Likewise.
10619 (handle_ptr_arith): Likewise.
10620 (find_func_aliases): Likewise. Remove unused need_anyoffset
10621 variable.
10623 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10624 Kaz Kojima <kkojima@gcc.gnu.org>
10626 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10627 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10628 (EXTRA_CONSTRAINT_C16): Remove.
10629 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10630 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10631 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10632 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10633 constants of SHmedia. Handle nested constant expressions of
10634 SHmedia correctly.
10635 (andcosts): Fix the costs for SHmedia constants.
10636 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10637 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10638 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10639 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10640 (movv4hi_i, movv2si_i): Likewise.
10641 (movsi_const): Adjust the second operand of ior so to match with
10642 the Csu constraint.
10643 (movdi_const, movdi_const_32bit): Likewise.
10644 (movdi_const_16bit+1): Don't sign-extend LOW.
10645 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10646 step.
10647 (*double_shori): Fix the split condition. Use GEN_INT instead
10648 of get_int_mode calls. Mask lower 16-bit of the argument of
10649 the last GEN_INT.
10650 (sym2GOTPLT): Remove.
10651 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10652 gen_rtx_UNSPEC.
10653 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10654 instead of EXTRA_CONSTRAINT_C16.
10656 2006-01-07 Ian Lance Taylor <ian@airs.com>
10657 David Edelsohn <edelsohn@gnu.org>
10659 PR rtl-optimization/25662
10660 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10661 for constant operands instead of simplify_gen_binary.
10662 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10663 after trying simplify_binary_operation
10665 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10667 * tree.c (iterative_hash_expr): Hash decls based on UID.
10669 2006-01-06 Eric Christopher <echristo@apple.com>
10671 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10672 (TARGET_UNWIND_EMIT): Fix spelling.
10673 * target.h (gcc_target): Add except_table_label.
10674 * except.c (output_function_exception_table): Use.
10675 * varasm.c (default_emit_except_table_label): New.
10676 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10677 define.
10678 (asm_out): Add here.
10679 * output.h (default_emit_except_table_label): Prototype.
10680 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10681 * config/darwin.c (darwin_emit_except_table_label): Define.
10682 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10684 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10686 PR tree-optimization/18527
10687 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10688 number_of_iterations_special, number_of_iterations_exit):
10689 Move base and step of an iv to a single structure. Add
10690 no_overflow flag, and use it in # of iterations analysis.
10691 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10692 folded_casts argument.
10693 (simple_iv): Pass base and step in a structure. Set no_overflow
10694 flag.
10695 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10696 Evaluate expensiveness of computing # of iterations instead of
10697 the final expression.
10698 * tree-scalar-evolution.h (affine_iv): New structure.
10699 (simple_iv): Declaration changed.
10700 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10701 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10702 find_givs_in_stmt): Changed due to simple_iv change.
10704 2006-01-06 Jeff Law <law@redhat.com>
10706 PR ada/24994
10707 * tree-cfg.c (bsi_replace): Rename final argument from
10708 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10709 change (stmt -> orig_stmt).
10710 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10711 (bsi_remove): Add new argument. Remove EH information
10712 if requested.
10713 (verify_eh_throw_table_statements): New function.
10714 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10715 updated.
10716 * tree-optimize.c (execute_free_cfg_annotations): Verify
10717 the EH throw statement table after removing annotations.
10718 * except.h (verify_eh_throw_table_statements): Prototype.
10719 * tree-flow.h (bsi_remove): Update prototype.
10720 * tree-vrp.c (remove_range_assertions): Add new argument to
10721 bsi_remove call.
10722 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10723 * tree-complex.c (expand_complex_div_wide): Likewise.
10724 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10725 * tree-tailcall.c (eliminate_tailcall): Likewise.
10726 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10727 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10728 * tree-nrv.c (tree_nrv): Likewise.
10729 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10730 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10731 (combine_blocks): Likewise.
10732 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10733 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10734 (cleanup_control_flow): Likewise.
10735 (remove_forwarder_block): Likewise.
10736 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10737 * tree-sra.c (sra_replace): Likewise.
10738 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10739 (forward_propagate_single_use_vars): Likewise.
10740 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10741 * tree-inline.c (expand_call_inline): Likewise.
10742 * tree-vect-transform.c (vect_transform_loop): Likewise.
10743 * tree-outof-ssa.c (rewrite_trees): Likewise.
10744 * tree-cfg.c (make_goto_expr_edges): Likewise.
10745 (cleanup_dead_labels): Likewise.
10746 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10747 (bsi_move_before, bsi_move_after): Likewise.
10748 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10749 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10751 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10753 PR tree-opt/25528
10754 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10755 and IMAGPART_EXPR.
10756 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10757 on non gimple variables. Also add checks at the top for decls and
10758 mtags.
10759 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10760 complex types.
10761 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10762 and IMAGPART_EXPR for creating MUST_DEFs.
10763 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10764 and NAME_MEMORY_TAG separately from the DECLs.
10766 2006-01-06 Richard Guenther <rguenther@suse.de>
10768 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10769 annotation, if necessary.
10770 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10771 redundant calls to update_stmt.
10772 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10773 Likewise.
10775 2006-01-05 Richard Henderson <rth@redhat.com>
10777 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10779 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10781 * c-typeck.c: Update copyright date.
10783 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10785 * c-typeck.c (build_c_cast): Always warn when casting
10786 from a pointer to an integer of different size, even if
10787 the node was constant.
10789 2006-01-05 Richard Guenther <rguenther@suse.de>
10791 PR tree-optimization/22555
10792 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10793 if one structure field is an array.
10794 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10795 operands even if we found a subvar, but ignore VOPs in this
10796 case.
10797 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10798 for renaming.
10799 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10801 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10803 PR middle-end/24998
10804 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10806 2006-01-05 Richard Guenther <rguenther@suse.de>
10807 Diego Novillo <dnovillo@redhat.com>
10809 * tree-pass.h (TODO_remove_unused_locals): Define.
10810 * gimple-low.c (expand_var_p, remove_useless_vars,
10811 pass_remove_useless_vars): Remove. Update all users.
10812 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10813 (remove_unused_locals): New function.
10814 * tree-flow.h (remove_unused_locals): Declare.
10815 * passes.c (execute_todo): Call remove_unused_locals if
10816 TODO_remove_unused_locals is set.
10817 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10818 * tree-ssa-dce.c (pass_dce): Likewise.
10819 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10821 2006-01-05 Richard Guenther <rguenther@suse.de>
10823 * tree-flow.h (struct fieldoff): Decompose field to
10824 type, size and decl.
10825 * tree-ssa-alias.c (create_sft): Take type as parameter.
10826 (create_overlap_variables_for): Store type, size and decl
10827 in the fieldoff structure.
10828 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10829 of struct fieldoff.
10830 (push_fields_onto_fieldstack): Likewise.
10831 (create_variable_info_for): Likewise. Use offset for the
10832 SFT name if the decl is not available.
10834 2006-01-04 Paul Brook <paul@codesourcery.com>
10836 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10838 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10840 * lambda-code.c (can_put_in_inner_loop): Relax
10841 restrictions.
10842 (can_put_after_inner_loop): New function.
10843 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10844 (perfect_nestify): Change to make copies and modify uses.
10846 2006-01-04 Richard Henderson <rth@redhat.com>
10848 Merge from gomp branch:
10849 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10850 via integer constant.
10851 (pragma_lex): Remove.
10852 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10853 rather than parsing it.
10854 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10855 handle_pragma_extern_prefix): Add %< %> quotes.
10856 (registered_pragmas): New.
10857 (c_register_pragma_1): New.
10858 (c_register_pragma): Use it.
10859 (c_register_pragma_with_expansion): Likewise.
10860 (c_invoke_pragma_handler): New.
10861 (init_pragma): Use cpp_register_deferred_pragma directly for
10862 pch_preprocess.
10863 * c-pragma.h (enum pragma_kind): New.
10864 (pragma_handler): New.
10865 (c_invoke_pragma_handler): Declare.
10866 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10867 CPP_PRAGMA_EOL.
10868 * c-common.h (c_common_pch_pragma): Update decl.
10869 * Makefile.in (c-parser.o): Update dependencies.
10870 (GTFILES): Add c-pragma.h.
10871 * c-parser.c (struct c_token): Add pragma_kind.
10872 (struct c_parser): Add in_pragma.
10873 (c_lex_one_token): Always initialize keyword and pragma_kind.
10874 Extract data for CPP_PRAGMA.
10875 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10876 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10877 Don't allow CPP_PRAGMA_EOL if in_pragma.
10878 (c_parser_consume_pragma): New.
10879 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10880 (c_parser_skip_to_end_of_parameter): Likewise.
10881 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10882 (c_parser_skip_to_pragma_eol): New.
10883 (c_parser_external_declaration): Handle CPP_PRAGMA.
10884 (c_parser_compound_statement_nostart): Likewise.
10885 (c_parser_statement_after_labels): Likewise.
10886 (c_parser_pragma): New.
10887 (pragma_lex): Likewise.
10888 (c_parser_pragma_pch_preprocess): New.
10889 (c_parser_new): Merge into ...
10890 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10892 2006-01-04 Jeff Law <law@redhat.com>
10894 PR ada/24994
10895 * tree-cfg.c (bsi_replace): Remove the original statement
10896 from the EH throw statement table.
10898 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10900 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10901 make the prototype extern "C" and add throw ().
10903 PR target/25554
10904 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10905 and pos non-negative and pos + len <= 32.
10906 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10907 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10908 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10910 PR c/25559
10911 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10912 as well as sizes not multiple of component size.
10914 PR debug/25562
10915 * function.c (instantiate_expr): New function.
10916 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10917 walk its DECL_VALUE_EXPR with instantiate_expr.
10919 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10920 DW_OP_deref{,_size} if address isn't going to be added.
10922 2006-01-04 Ben Elliston <bje@au.ibm.com>
10924 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10925 * config/fp-bit.c: Likewise.
10927 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10929 * dominance.c: Add comment about why we use DFS numbering
10930 of dominance tree.
10932 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10933 Richard Henderson <rth@redhat.com>
10935 Merge from gomp-branch:
10936 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10937 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10939 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10941 PR rtl-optimization/25578
10942 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10943 pass a parameter to simplify_shift_const if changing ASHIFTRT
10944 to LSHIFTRT.
10946 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10948 * builtins.c (get_builtin_sync_mem): New function.
10949 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10950 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10951 Call get_builtin_sync_mem to generate mem rtx.
10953 2006-01-03 Richard Guenther <rguenther@suse.de>
10955 PR c/25183
10956 * stmt.c (add_case_node): Make sure to clear overflow flags
10957 from ranges.
10959 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10961 Merge from gomp-branch.
10962 * config/sparc/sync.md: New file.
10963 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10964 UNSPECV_LDSTUB): New constants.
10965 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10966 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10967 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10968 prototype.
10970 2006-01-03 Roger Sayle <roger@eyesopen.com>
10972 * combine.c (reg_subword_p): New predicate to test whether the
10973 destination of a set refers to a subword/piece of a register.
10974 (try_combine): Generalize the code to merge the setting of a
10975 pseudo to a constant followed by a set of a subword of that
10976 register to a constant.
10978 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10980 * basic-block.h (control_flow_graph): Change the type of
10981 x_label_to_block_map to VEC(basic_block,gc) *.
10982 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10983 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10985 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10986 VEC(basic_block,heap) *.
10987 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10988 ssa_prop_fini): Adjust the uses of cfg_blocks.
10990 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10992 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10993 COMPONENT_REFs.
10994 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10995 hashing trees instead of a pointer hash.
10996 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10997 compare for MEM_EXPR.
10999 PR rtl-optimization/25130
11000 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11001 when comparing MEMs for GCSE
11003 2006-01-03 Ben Elliston <bje@au.ibm.com>
11005 * targhooks.h (default_decimal_float_supported_p): Declare.
11006 * targhooks.c (default_decimal_float_supported_p): Define.
11007 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11008 `default_decimal_float_supported_p'.
11009 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11011 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11013 * combine.c (apply_distributive_law <SUBREG>): Check
11014 TRULY_NOOP_TRUNCATION.
11016 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11018 * dwarf2out.c (have_switched_text_section): Delete.
11019 (have_multiple_function_sections): New.
11020 (have_location_lists): Make 'bool'.
11021 (add_AT_loc_list): Use 'true' not '1'.
11022 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11023 (output_loc_list): Use have_multiple_function_sections.
11024 (output_ranges): Likewise.
11025 (dwarf2out_begin_function): Set have_multiple_function_sections if
11026 necessary.
11027 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11028 Check function_section rather than DECL_SECTION_NAME.
11029 (dwarf2out_finish): Use have_multiple_function_sections.
11030 Don't clear have_location_lists.
11032 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11033 Jan Hubicka <jh@suse.cz>
11035 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11036 case of conditional jump jumping to the next instruction.
11037 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11038 cases of conditional jump jumping to the next instruction.
11040 2006-01-02 Jan Hubicka <jh@suse.cz>
11042 * i386.c (*_cost): Add COSTS_N_INSNS.
11043 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11045 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11047 PR target/25259
11048 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11050 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11052 * config/arm/arm.c (all_fpus): Fix comment typo.
11053 * config/darwin.c: Likewise.
11054 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11055 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11056 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11058 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11060 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11061 (rs6000_split_compare_and_swapqhi): New.
11062 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11063 (sync_compare_and_swapqhi_internal): New.
11064 * config/rs6000/rs6000-protos.h: Declare.