| blob | e0ffaa36d8172567a0c89c35b0497c8b79e6fb46 |
1 2006-03-15 Paul Brook <paul@codesourcery.com>
3 * config/arm/arm.c (minipool_pad): New.
4 (add_minipool_forward_ref): Unclude pool alignment padding in address
5 calculation.
6 (push_minipool_fix): Set minipool_pad.
7 (minipool_pad): Ditto.
9 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12 instead of GET_CODE() == MEM and REG_P() instead of
13 GET_CODE() == REG.
14 (print_operand_address): Likewise.
15 (vax_address_cost): Likewise.
16 (vax_rtx_costs): Likewise.
17 (vax_notice_update_cc): Likewise.
18 (vax_output_int_add): Likewise.
19 (INDEX_REGISTER_P): Likewise.
20 (BASE_REGISTER_P): Likewise.
21 (nonindexed_address_p): Likewise.
22 (vax_mode_dependent_address_p): Likewise.
23 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
24 (PRINT_OPERAND): Likewise.
25 * config/vax/vax.md (ashlsi3): Likewise.
26 (ashlsi3): Likewise.
27 (some more unnamed insns): Likewise.
29 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
31 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
32 iterator-style macro.
33 (mark_control_dependent_edges_necessary): Update the use of
34 EXECUTE_IF_CONTROL_DEPENDENT.
36 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
38 * config/sh/predicates.md (cache_address_operand): Special.
39 (ua_address_operand): Likewise.
41 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
43 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
44 loop notes.
45 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
47 2006-03-15 Andreas Schwab <schwab@suse.de>
49 * gensupport.c (identify_predicable_attribute): Don't free p_false
50 when it is still in use.
52 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
54 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
55 the default setting here.
57 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
59 * tree-pass.h (pass_cfg): Remove.
60 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
61 * passes.c (pass_cfg): Don't run it.
63 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
65 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
66 * reg-stack.c (stack_regs_mentioned_data): Change the type to
67 VEC(char,heap) *.
68 (stack_regs_mentioned): Update the uses of
69 stack_regs_mentioned_data. Don't access the array beyond its
70 end.
71 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
72 Don't include gt-reg-stack.h.
74 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
75 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
77 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
79 PR middle-end/26684
80 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
81 STACK_REGS.
83 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
85 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
87 2006-03-14 Richard Guenther <rguenther@suse.de>
89 PR tree-optimization/26672
90 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
91 SSA form.
93 2006-03-14 Richard Guenther <rguenther@suse.de>
95 PR tree-optimization/26667
96 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
97 node for the callees. Always allow inlining if it will shrink
98 the function size.
100 2006-03-14 Richard Guenther <rguenther@suse.de>
102 PR middle-end/26659
103 * builtins.c (get_pointer_alignment): Prefer alignment
104 information from decls over that from types.
106 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
108 PR target/26657
109 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
111 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
113 * config/rs6000/rs6000.opt (mdlmzb): New option.
114 (msched-prolog, msched-epilog): Use Var not Mask.
115 * doc/invoke.texi (-mdlmzb): Document.
116 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
117 MASK_SCHED_PROLOG.
118 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
119 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
121 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
123 PR rtl-optimization/25739
124 * bt-load.c (augment_live_range): Free tos pointer.
126 * gensupport.c (identify_predicable_attribute): Free
127 p_false pointer.
128 * gcov.c (create_file_names): Free name pointer.
130 2006-03-13 Roger Sayle <roger@eyesopen.com>
132 PR middle-end/26557
133 * stmt.c (emit_case_nodes): Handle the case where the index is a
134 CONST_INT, where the comparison mode is specified by the index type.
136 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
138 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
139 is defined.
141 2006-03-13 Richard Sandiford <richard@codesourcery.com>
143 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
144 (*branch_fp_inverted): Likewise.
146 2006-03-13 Jakub Jelinek <jakub@redhat.com>
148 PR middle-end/25989
149 * omp-low.c (expand_omp_for_generic): Mark istart0
150 and iend0 as addressable.
152 2006-03-13 Jie Zhang <jie.zhang@analog.com>
154 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
156 2006-03-13 Jeff Law <law@redhat.com>
158 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
159 virtual operands are interesting.
160 (vrp_visit_stmt): Corresponding changes.
162 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
164 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
165 of RETS.
166 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
167 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
168 * config/bfin/crti.S: Use it instead of __PIC__.
169 * config/bfin/crtn.S: Likewise.
171 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
172 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
173 not if flag_pic.
174 Lose 'G' modifier for call operand.
175 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
176 recognize 'G' modifier.
178 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
180 PR middle-end/18859
181 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
182 * stmt.c (expand_case): Likewise.
184 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
186 PR rtl-optimization/26254
187 * loop-invariant.c (seq_insns_valid_p): New function.
188 (move_invariant_reg): Only emit new code if it is valid.
190 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
192 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
193 Removed.
194 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
195 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
196 (commit_one_edge_insertion): Do not look for loop notes.
198 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
200 * jump.c (follow_jumps): Do not check for loop notes. Move check for
201 flag_test_coverage out of loop.
203 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
205 * final.c (shorten_branches): Remove outdated comment, and turn
206 the if branch that guards it to continue.
208 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
210 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
211 * cfgloop.h (struct loop): Remove unused fields.
213 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
215 * doc/invoke.texi (-fdump-rtl-loop): Remove.
216 (-dL, -fdump-rtl-loop2): Update the dump file names
218 * doc/invoke.texi: Update dump file names.
220 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
222 * predict.c (estimate_probability): Remove.
223 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
224 * basic-block.h (estimate_probability): Remove prototype.
225 * passes.c (finish_optimization_passes): Dump branch prediction or
226 profiling heuristics to the .profile tree dump.
227 (init_optimization_passes): Unqueue pass_branch_prob.
229 * doc/invoke.texi (-fdump-rtl-bp): Remove.
231 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
233 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
234 * rtl.h (LABEL_NEXTREF): Remove field accessor.
236 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
238 * function.h (frame_offset_overflow): Declare.
239 * function.c (frame_offset_overflow): New function.
240 (assign_stack_local_1): Call it to detect that the offset overflows.
241 * cfgexpand.c (alloc_stack_frame_space): Likewise.
243 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
245 * config/sh/sh.c: Include alloc-pool.h.
246 (label_ref_list_pool): New alloc pool.
247 (label_ref_list_t): New type for lists of labels.
248 (struct pool_node): Make wend a label_ref_list_t.
249 (add_constant): Use the new type, eradicate LABEL_NEXTREF
250 references.
251 (dump_table): Likewise.
252 (sh_reorg): Set up the alloc pool before using add_constant and
253 dump_table, and destroy it when finishing.
255 2006-03-11 Richard Sandiford <richard@codesourcery.com>
257 * config/mips/mips.c: Remove redundant comment.
259 2006-03-10 Jason Merrill <jason@redhat.com>
261 PR c/26004
262 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
263 the target was declared 'register'.
265 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
267 * genpreds.c (write_insn_constraint_len): Change definition of
268 insn_constraint_len to return size_t to match the declaration.
270 2006-03-10 DJ Delorie <dj@redhat.com>
272 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
273 start at zero.
274 (m32c_expand_insv): Fix test for an AND mask.
276 2006-03-10 Richard Guenther <rguenther@suse.de>
278 PR middle-end/26565
279 * builtins.c (get_pointer_alignment): Handle component
280 references for field alignment.
282 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
284 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
285 when building with libgloss.
286 (sh*elf): Implement --without-fp option.
287 (sh64-superh-linux*): Don't multilib.
289 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
291 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
293 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
295 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
296 Set it when one of the replacement functions returned true.
297 Return TODO_cleanup_cfg if cfgchanged is true.
298 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
300 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
302 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
303 instead of gen_lowpart.
305 2006-03-09 Richard Sandiford <richard@codesourcery.com>
307 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
308 interface.
309 (mips_output_order_conditional_branch): Declare.
310 * config/mips/mips.h (MIPS_BRANCH): New macro.
311 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
312 for the comparison. Use gen_condjump.
313 (mips_output_conditional_branch): Rework interface to take the
314 asm templates for a direct branch and the inverse of a direct branch.
315 (mips_output_order_conditional_branch): New function.
316 (mips_builtin_branch_and_move): New function.
317 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
318 branch condition. Use gen_single_cc as the condition for
319 __builtin_mips_upper_* or __builtin_mips_lower_*.
320 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
321 Use VOIDmode for the branch condition.
322 * config/mips/predicates.md (order_operator): New predicate.
323 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
324 (branch_fp): Rename to...
325 (*branch_fp): ...this. Remove mode from comparison operator.
326 Use new mips_output_conditional_branch interface.
327 (branch_fp_inverted): Rename to...
328 (*branch_fp_inverted): ...this and update as for *branch_fp.
329 (*branch_zero<mode>): Rename to...
330 (*branch_order<mode>): ...this. Remove mode from comparison operator.
331 Use mips_output_order_conditional_branch. Only accept ordered
332 comparisons.
333 (*branch_zero<mode>_inverted): Rename to...
334 (*branch_order<mode>_inverted): ...this and update as for
335 *branch_order<mode>.
336 (*branch_equality<mode>): Accept zero as the second operand to
337 the equality operator. Use the new mips_output_conditional_branch
338 interface.
339 (*branch_equality<mode>_inverted): Likewise.
340 (condjump): New expander.
341 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
342 operator.
343 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
344 (bc1any2t, bc1any2f): Likewise.
345 (single_cc): New expander.
346 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
348 2006-03-09 Richard Sandiford <richard@codesourcery.com>
350 * doc/md.texi: Update documentation of MIPS constraints.
351 * config/mips/constraints.md: New file.
352 * config/mips/mips.md: Include it.
353 * config/mips/mips.c (mips_char_to_class): Delete.
354 (override_options): Don't initialize mips_char_to_class.
355 * config/mips/mips.h (mips_char_to_class): Delete.
356 (REG_CLASS_FROM_LETTER): Delete.
357 (CONST_OK_FOR_LETTER_P): Delete.
358 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
359 (EXTRA_CONSTRAINT_Y): Delete.
360 (EXTRA_CONSTRAINT_STR): Delete.
361 (CONSTRAINT_LEN): Delete.
362 (EXTRA_MEMORY_CONSTRAINT): Delete.
364 2006-03-09 Diego Novillo <dnovillo@redhat.com>
366 * tree-cfg.c (move_block_to_fn): Remove the statements from the
367 original fn's eh regions.
369 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
371 * fold-const.c (build_range_check): Make sure to use a valid type to
372 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
373 transformation.
375 (range_predecessor): New static function.
376 (range_successor): Likewise.
377 (merge_ranges): Use them to compute predecessors and successors of
378 range bounds.
380 2006-03-09 Roger Sayle <roger@eyesopen.com>
382 PR middle-end/26561
383 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
384 X op C3, consider whether C3 overflows towards +Inf or -Inf.
386 2006-03-08 DJ Delorie <dj@redhat.com>
388 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
389 (addpsi3): Expand to include memory operands. Remove
390 reload-specific splits.
391 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
392 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
393 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
394 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
395 (shift1_qi, shift1_hi, insv): New.
396 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
397 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
398 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
399 cond_to_int): New.
400 * config/m32c/m32c-protos.h: Update as needed.
401 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
402 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
403 Fail for unrecognized R* constraints.
404 (m32c_cannot_change_mode_class): Be more picky about pseudos.
405 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
406 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
407 Add Sp constraint.
408 (m32c_init_libfuncs): New.
409 (m32c_legitimate_address_p): Add debug wrapper.
410 (m32c_rtx_costs): New.
411 (m32c_address_cost): New.
412 (conversions): Add 'B' prefix.
413 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
414 operands, or word regnames for QI operands. 'B' prints bit
415 position.
416 (m32c_expand_setmemhi): New.
417 (m32c_expand_movmemhi): New.
418 (m32c_expand_movstr): New.
419 (m32c_expand_cmpstr): New.
420 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
421 (m32c_expand_neg_mulpsi3): Handle non-ints.
422 (m32c_cmp_flg_0): New.
423 (m32c_expand_movcc): New.
424 (m32c_expand_insv): New.
425 (m32c_scc_pattern): New.
426 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
427 a0/a1 out of SIregs.
428 (STORE_FLAG_VALUE): New.
429 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
430 code macros.
431 (no_insn): New.
432 * config/m32c/mov.md: Make constraints more liberal.
433 (zero_extendqihi2): Optimize r0/r1 case.
434 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
435 * config/m32c/predicates.md (m32c_any_operand): New.
436 (m32c_nonimmediate_operand): New.
437 (m32c_hl_operand): New.
438 (m32c_r3_operand): New.
439 (ap_operand): New.
440 (ma_operand): New.
441 (memsym_operand): New.
442 (memimmed_operand): New.
443 (a_qi_operand): New.
444 (m32c_eqne_operator): New.
445 (m32c_1bit8_operand): New.
446 (m32c_1bit16_operand): New.
447 (m32c_1mask8_operand): New.
448 (m32c_1mask16_operand): New.
449 * config/m32c/blkmov.md: New file.
450 * config/m32c/t-m32c (MD_FILES): Add blkmov.
452 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
454 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
455 unsigned to fix signed/unsigned comparison issue in
456 DWARF2_FRAME_REG_OUT.
457 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
458 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
460 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
461 of ptr into the ENABLE_CHECKING section.
463 2006-03-08 Jeff Law <law@redhat.com>
465 * tree-vrp.c (infer_value_range): Only count pointer uses
466 and dereferences if -fdelete-null-pointer-checks is enabled.
468 * tree-vrp.c (find_assert_locations): Infer value ranges for
469 single use pointers, but do not create ASSERT_EXPRs for them.
470 When a non-null range is inferred for a pointer, backwards
471 propagate that range to other equivalent pointers through the
472 use-def chain.
474 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
476 PR bootstrap/26500
477 * Makefile.in (dvi, html, install-info): Invoke the corresponding
478 language hook targets.
479 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
480 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
481 if language hook targets were missing.
483 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
485 * tree-ssa-opfinalize.h: Removed.
486 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
487 dependency.
488 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
489 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
490 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
491 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
492 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
493 finalize_ssa_v_must_def_ops): New.
495 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
497 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
498 block as parameter.
500 2006-03-07 Geoffrey Keating <geoffk@apple.com>
502 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
504 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
505 addresses with offsets; reorganize.
507 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
508 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
509 (expand_builtin_init_dwarf_reg_sizes): Likewise.
511 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
513 PR target/26588
514 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
516 2006-03-08 Ben Elliston <bje@au.ibm.com>
518 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
520 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
522 PR gomp/26238
523 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
524 expansion.
526 2006-03-07 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/26587
529 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
531 2006-03-07 Richard Sandiford <richard@codesourcery.com>
533 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
535 2006-03-07 Richard Sandiford <richard@codesourcery.com>
537 * hooks.c (hook_bool_mode_rtx_true): New function.
538 * hooks.h (hook_bool_mode_rtx_true): Declare.
539 * toplev.c (compile_file): Call output_shared_constant_pool.
540 * varasm.c (shared_constant_pool): New variable.
541 (assemble_start_function, assemble_end_function): Remove arguments
542 from call to output_constant_pool.
543 (create_constant_pool): New function, split out from...
544 (init_varasm_status): ...here.
545 (force_const_mem): Choose between the shared and per-function constant
546 pools. Set current_function_uses_const_pool when reusing old entries
547 as well as when creating new ones.
548 (mark_constant): Ignore data argument.
549 (mark_constants): Remove pool argument.
550 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
551 to decide whether the function uses a constant pool.
552 (output_constant_pool_contents): New function, split out from...
553 (output_constant_pool): ...here.
554 (output_shared_constant_pool): New function.
555 (init_varasm_once): Initialize shared_constant_pool.
556 * output.h (output_constant_pool): Delete.
557 (output_shared_constant_pool): Declare.
558 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
559 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
561 2006-03-06 Nick Clifton <nickc@redhat.com>
563 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
564 flag_strength_reduce.
566 2006-03-06 Ben Elliston <bje@au.ibm.com>
568 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
569 x86_64-*-linux* configurations.
571 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
572 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
574 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
576 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
577 Remove.
578 * basic-block.h: Remove the extern for
579 rediscover_loops_after_threading.
581 * cfgloop.c (cancel_loop): Make it static.
582 * cfgloop.h: Remove the prototype for cancel_loop.
584 * flow.c (recompute_reg_usage): Make it static.
585 * rtl.h: Remove the prototype for recompute_reg_usage.
587 * function.c (use_return_register): Make it static.
588 * function.h: Remove the prototype.
590 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
592 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
593 Remove.
594 * recog.h: Remove the prototype for
595 validate_change_maybe_volatile.
597 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
599 * rtlanal.c (replace_reg): Remove.
600 * rtl.h: Remove the prototype for replace_reg.
602 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
604 * regclass.c (reg_scan_update): Remove.
605 (reg_scan_mark_refs): Remove the last argument.
606 * rtl.h: Remove the prototype for reg_scan_update.
608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
610 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
611 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
612 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
613 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
614 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
615 loop-invariant.c, omp-low.c, opts.c, passes.c,
616 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
617 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
618 tree-ssa-structalias.c, tree-ssa-threadedge.c,
619 tree-ssa-threadupdate.c, tree-vect-patterns.c,
620 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
621 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
623 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
625 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
626 * dwarf2out.h: Remove the prototype for
627 dwarf2out_add_library_unit_info.
629 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
631 * tree.c (add_var_to_bind_expr): Remove.
632 * tree.h: Remove the prototype for add_var_to_bind_expr.
634 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
636 * regclass.c (n_non_fixed_regs): Remove.
637 (init_reg_sets_1, globalize_reg): Remove all uses of
638 n_non_fixed_regs.
639 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
641 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
643 * rtlanal.c (insns_safe_to_move_p): Remove.
644 * rtl.h: Remove the prototype for insns_safe_to_move_p.
646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
648 * expmed.c (expand_mult_add): Remove.
649 * expr.h: Remove the prototype for expand_mult_add.
651 2006-03-04 Jakub Jelinek <jakub@redhat.com>
653 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
654 and REG_SAVED_VAL_EXP constants.
655 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
656 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
657 Handle regs stored by value.
658 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
659 (execute_cfa_program): Handle DW_CFA_val_offset,
660 DW_CFA_val_offset_sf and DW_CFA_val_expression.
661 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
662 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
663 (uw_install_context_1): Handle target regs stored by value.
665 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
667 * tree-sra.c (tree_sra): Return todoflags;
668 (generate_one_element): Set TODO_update_smt_usage if needed.
669 (pass_sra): Remove TODO_update_smt_usage.
670 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
671 parameter.
672 (tree_ssa_forward_propagate_single_use_vars): Return
673 TODO_update_smt_usage if we need to update SMT usage.
674 (pass_forwprop): Remove TODO_update_smt_usage.
676 2006-03-03 Diego Novillo <dnovillo@redhat.com>
678 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
679 (correct_use_link): Remove reference to get_stmt_operands.
680 (update_stmt_operands): Likewise.
681 (get_modify_expr_operands): New function factored out of
682 parse_ssa_operands and get_expr_operands.
683 Try to create V_MUST_DEFs for LHS by default.
684 (get_expr_operands) <case MODIFY_EXPR>: Call
685 get_modify_expr_operands.
686 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
687 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
688 (parse_ssa_operands) <case MODIFY_EXPR>: Call
689 get_modify_expr_operands.
691 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
693 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
694 * tree-flow.h: Remove the prototype for
695 referenced_var_lookup_if_exists.
697 2006-03-03 Steve Ellcey <sje@cup.hp.com>
699 PR rtl-optimization/26345
700 PR target/19061
701 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
703 2006-03-03 Roger Sayle <roger@eyesopen.com>
705 PR tree-optimization/26524
706 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
707 fold_convert to create a constant of the appropriate type.
709 2006-03-03 Richard Sandiford <richard@codesourcery.com>
711 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
712 SYMBOL_REF_IN_BLOCK_P.
713 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
714 of SYMBOL_FLAG_IN_BLOCK.
715 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
716 instead of SYMBOL_REF_IN_BLOCK_P.
717 * explow.c (use_anchored_address): Likewise.
718 * rtl.c (rtx_size): Likewise.
719 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
720 instead of SYMBOL_FLAG_IN_BLOCK.
721 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
722 SYMBOL_REF_IN_BLOCK_P.
723 (assemble_variable): Likewise.
724 (output_constant_def_contents): Likewise.
725 (output_constant_pool): Likewise.
726 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
727 instead of SYMBOL_FLAG_IN_BLOCK.
728 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
729 SYMBOL_REF_IN_BLOCK_P.
730 (SYMBOL_REF_BLOCK): Likewise.
731 (SYMBOL_REF_OFFSET): Likewise.
732 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
733 SYMBOL_REF_IN_BLOCK_P.
734 (SYMBOL_FLAG_IN_BLOCK): Replace with...
735 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
736 (SYMBOL_REF_IN_BLOCK_P): Replace with...
737 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
739 2006-03-03 Jakub Jelinek <jakub@redhat.com>
741 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
743 2006-03-02 Roger Sayle <roger@eyesopen.com>
745 * simplify-rtx.c (simplify_unary_operation): When simplifying
746 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
747 that we perform the right shift in the appropriate mode, and
748 then extend or truncate the result to requested mode.
750 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
752 * gengtype.c (main): Handle double_int type.
753 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
754 * double-int.c: New file.
755 * double-int.h: New file.
756 * system.h: Include doubleint.h.
757 * Makefile.in (SYSTEM_H): Include double-int.h.
758 (double-int.o): Add.
760 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
762 PR bootstrap/26478
763 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
764 copying over it.
766 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
768 * tree-vrp.c (remove_range_assertions): Do not update statements
769 unnecessarily.
771 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
773 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
774 cleanup.
775 * gcse.c (rest_of_handle_gcse): Ditto.
776 * except.c (gate_handle_eh): Ditto.
777 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
778 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
780 2006-03-02 Eric Christopher <echristo@apple.com>
782 * config/i386/i386.c (machopic_output_stub): Add indirection to
783 jump.
785 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
787 * loop.c: Removed.
789 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
791 Sun Niagara specific optimizations.
792 * config.gcc: Recognize niagara as target.
793 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
794 (TARGET_CPU_niagara): Define.
795 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
796 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
797 (CPP_CPU_SPEC): Handle -mcpu=niagara.
798 (ASM_CPU_SPEC): Likewise.
799 (PROCESSOR_NIAGARA): New enum entry.
800 (REGISTER_MOVE_COST): Handle Niagara.
801 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
802 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
803 (sparc_override_options): Recognize "niagara", set appropriate
804 default MASK_* values for it, and align functions to 32-bytes
805 by default just like ULTRASPARC/ULTRASPARC3.
806 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
807 (sparc64_initialize_trampoline): Likewise.
808 (sparc_use_sched_lookahead): Use zero for niagara.
809 (sparc_issue_rate): Use one for niagara.
810 * config/sparc/niagara.md: New file.
811 * config/sparc/sparc.md: Include it.
812 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
813 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
814 when default cpu is niagara.
815 (CPP_CPU_SPEC): Handle -mcpu=niagara.
816 (ASM_CPU_SPEC): Likewise.
817 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
818 when default cpu is niagara.
819 (ASM_CPU_SPEC): Handle -mcpu=niagara.
820 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
821 just like v9/ultrasparc/ultrasparc3.
822 * doc/invoke.texi: Add documentation for "niagara" and improve
823 existing documentation for ultrasparc variants.
825 2006-03-02 Diego Novillo <dnovillo@redhat.com>
827 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
829 2006-03-02 Richard Sandiford <richard@codesourcery.com>
831 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
832 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
833 and say that only one is needed.
834 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
835 * target.h (have_switchable_bss_sections): New hook.
836 * explow.c (use_anchored_address): Check that the symbol is in a block.
837 * varasm.c (tls_comm_section, comm_section, lcomm_section)
838 (bss_noswitch_section): New variables.
839 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
840 (get_noswitch_section): New function.
841 (get_block_for_section): Allow SECT to be null.
842 (unlikely_text_section_p): Use SECTION_STYLE.
843 (bss_initializer_p): New function.
844 (get_variable_section): Move earlier in file. Take a new argument,
845 prefer_noswitch_p. Move bss checks from assemble_variable to here.
846 Return one of the new *_sections in such cases.
847 (get_block_for_decl): New function, extracting some logic from
848 use_blocks_for_decl_p.
849 (change_symbol_section): Remove in favor of...
850 (change_symbol_block): ...this new function.
851 (use_blocks_for_decl_p): Remove checks now performed by
852 get_block_for_decl.
853 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
854 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
855 (emit_local, emit_bss, emit_common): ...these new functions.
856 Return true if the alignment was honored.
857 (emit_tls_common): New function.
858 (asm_emit_uninitialised): Delete.
859 (assemble_variable_noswitch): New function, split out from...
860 (assemble_variable): ...here. Don't make decisions about common
861 variables here. Globalize all public decls that go into non-common
862 sections. Check whether SYMBOL_REF_BLOCK is null.
863 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
864 (output_constant_pool): Likewise.
865 (init_varasm_once): Initialize the new section variables.
866 (have_global_bss_p): New function.
867 (categorize_decl_for_section): Use bss_initializer_p.
868 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
869 (place_block_symbol): Assert that the symbol must be in a block.
870 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
871 (TARGET_INITIALIZER): Include it.
872 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
873 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
874 (SECTION_MACH_DEP): Bump by two.
875 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
876 (unnamed_section): Mention SECTION_UNNAMED in comment.
877 (named_section): Likewise SECTION_NAMED.
878 (noswitch_section_callback): New type.
879 (noswitch_section): New structure.
880 (section): Add a noswitch_section alternative.
881 (SECTION_STYLE): New macro.
882 (tls_comm_section, comm_section, lcomm_section): Declare.
883 (bss_noswitch_section, have_global_bss_p): Declare.
884 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
885 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
886 Override.
887 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
888 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
889 Override.
891 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
893 * gcc/tree-vrp.c (execute_vrp): Return value.
894 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
895 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
896 * gcc/tree-complex.c (tree_lower_complex): Ditto.
897 (tree_lower_complex_O0): Ditto.
898 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
899 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
900 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
901 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
902 (execute_tail_calls): Ditto.
903 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
904 * gcc/tree.h (init_function_for_compilation): Ditto.
905 * gcc/ipa-cp.c (ipcp_driver): Ditto.
906 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
907 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
908 * gcc/final.c (compute_alignments): Ditto.
909 (rest_of_handle_final): Ditto.
910 (rest_of_handle_shorten_branches): Ditto.
911 (rest_of_clean_state): Ditto.
912 * gcc/omp-low.c (execute_expand_omp): Ditto.
913 (execute_lower_omp): Ditto.
914 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
915 * gcc/ipa-reference.c (static_execute): Ditto.
916 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
917 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
918 (rest_of_handle_machine_reorg): Ditto.
919 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
920 * gcc/flow.c (recompute_reg_usage): Ditto.
921 (rest_of_handle_remove_death_notes): Ditto.
922 (rest_of_handle_life): Ditto.
923 (rest_of_handle_flow2): Ditto.
924 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
925 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
926 (do_ssa_store_ccp): Ditto.
927 (execute_fold_all_builtins): Ditto.
928 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
929 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
930 * gcc/ipa-pure-const.c (static_execute): Ditto.
931 * gcc/cse.c (rest_of_handle_cse): Ditto.
932 (rest_of_handle_cse2): Ditto.
933 * gcc/web.c (rest_of_handle_web): Ditto.
934 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
935 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
936 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
937 * gcc/tree-nrv.c (tree_nrv): Ditto.
938 (execute_return_slot_opt): Ditto.
939 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
940 (create_structure_vars): Ditto.
941 * gcc/loop-init.c (rtl_loop_init): Ditto.
942 (rtl_loop_done): Ditto.
943 (rtl_move_loop_invariants): Ditto.
944 (rtl_unswitch): Ditto.
945 (rtl_unroll_and_peel_loops): Ditto.
946 (rtl_doloop): Ditto.
947 * gcc/gimple-low.c (lower_function_body): Ditto.
948 (mark_used_blocks): Ditto.
949 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
950 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
951 (cgraph_early_inlining): Ditto.
952 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
953 * gcc/jump.c (cleanup_barriers): Ditto.
954 (purge_line_number_notes): Ditto.
955 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
956 (rest_of_handle_if_after_reload): Ditto.
957 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
958 (tree_ssa_loop_im): Ditto.
959 (tree_ssa_loop_unswitch): Ditto.
960 (tree_vectorize): Ditto.
961 (tree_linear_transform): Ditto.
962 (tree_ssa_loop_ivcanon): Ditto.
963 (tree_ssa_empty_loop): Ditto.
964 (tree_ssa_loop_bounds): Ditto.
965 (tree_complete_unroll): Ditto.
966 (tree_ssa_loop_prefetch): Ditto.
967 (tree_ssa_loop_ivopts): Ditto.
968 (tree_ssa_loop_done): Ditto.
969 * gcc/predict.c (tree_estimate_probability): Ditto.
970 * gcc/recog.c (split_all_insns_noflow): Ditto.
971 (rest_of_handle_peephole2): Ditto.
972 (rest_of_handle_split_all_insns): Ditto.
973 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
974 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
975 (rest_of_handle_stack_adjustments): Ditto.
976 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
977 * gcc/function.c (instantiate_virtual_regs): Ditto.
978 (init_function_for_compilation): Ditto.
979 (rest_of_handle_check_leaf_regs): Ditto.
980 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
981 (rest_of_handle_gcse): Ditto.
982 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
983 * gcc/alias.c (rest_of_handle_cfg): Ditto.
984 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
985 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
986 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
987 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
988 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
989 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
990 * gcc/except.c (set_nothrow_function_flags): Ditto.
991 (convert_to_eh_region_ranges): Ditto.
992 (rest_of_handle_eh): Ditto.
993 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
994 (remove_unnecessary_notes): Ditto.
995 * gcc/except.h (set_nothrow_function_flags): Ditto.
996 (convert_to_eh_region_ranges): Ditto.
997 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
998 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
999 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1000 (execute_fre): Ditto.
1001 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1002 (rest_of_handle_jump2): Ditto.
1003 * gcc/tree-sra.c (tree_sra): Ditto.
1004 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1005 (execute_mudflap_function_decls): Ditto.
1006 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1007 (do_store_copy_prop): Ditto.
1008 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1009 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1010 * gcc/tree-ssa-forwprop.c
1011 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1012 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1013 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1014 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1015 (execute_late_warn_uninitialized): Ditto.
1016 * gcc/rtl.h (cleanup_barriers): Ditto.
1017 (split_all_insns_noflow): Ditto.
1018 (purge_line_number_notes): Ditto.
1019 (unshare_all_rtl): Ditto.
1020 (remove_unnecessary_notes): Ditto.
1021 (recompute_reg_usage): Ditto.
1022 (variable_tracking_main): Ditto.
1023 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1024 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1025 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1026 (execute_free_cfg_annotations): Ditto.
1027 (execute_fixup_cfg): Ditto.
1028 (execute_cleanup_cfg_pre_ipa): Ditto.
1029 (execute_cleanup_cfg_post_optimizing): Ditto.
1030 (execute_init_datastructures): Ditto.
1031 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1032 * gcc/combine.c (rest_of_handle_combine): Ditto.
1033 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1034 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1035 (rest_of_handle_reorder_blocks): Ditto.
1036 (rest_of_handle_partition_blocks): Ditto.
1037 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1038 * gcc/tree-profile.c (tree_profiling): Ditto.
1039 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1040 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1041 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1042 (rest_of_handle_sched2): Ditto.
1043 * gcc/basic-block.h (free_bb_insn): Ditto.
1044 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1045 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1046 (remove_useless_stmts): Ditto.
1047 (split_critical_edges): Ditto.
1048 (execute_warn_function_return): Ditto.
1049 (execute_warn_function_noreturn): Ditto.
1050 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1051 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1052 * gcc/passes.c (execute_one_pass): Run additional
1053 todos returned by execute function.
1054 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1055 return a value.
1057 2006-03-02 Richard Guenther <rguenther@suse.de>
1059 * tree-ssa-alias.c (find_used_portions): Consider taking
1060 the address as making the variable not write-only.
1062 2006-03-02 Nick Clifton <nickc@redhat.com>
1064 * config.gcc (default_use_cxa_atexit): Extend the description of
1065 this configure variable. Set its default value to "yes" for
1066 Linux, NetBSD and ELF targets on the assumption that they will
1067 use C libraries with the __cxa_atexit function.
1069 2006-03-02 Ben Elliston <bje@au.ibm.com>
1071 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1072 parameter as unused to suppress a build warning.
1074 2006-03-02 Ben Elliston <bje@au.ibm.com>
1076 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1077 config/dfp-bit.c.
1079 2006-03-01 Roger Sayle <roger@eyesopen.com>
1081 PR other/26489
1082 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1083 declared name, the weak reference name, and the typeof name.
1084 (__gthrw): Avoid expanding the declared name suffix.
1085 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1087 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1089 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1090 from DWARF 3.
1091 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1092 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1093 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1094 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1095 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1096 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1097 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1098 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1099 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1100 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1101 (DW_END_default, DW_END_big, DW_END_little): New.
1102 (DW_END_lo_user, DW_END_hi_user): Define.
1103 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1104 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1105 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1106 DW_LANG_D): New.
1108 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1110 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1111 Update all users.
1112 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1113 Update all users.
1114 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1115 Update all users.
1116 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1117 Update all users.
1118 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1119 to 'symbol_mem_tag'.
1120 Update all users.
1121 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1122 rename.
1124 2006-03-01 Roger Sayle <roger@eyesopen.com>
1126 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1128 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1130 PR target/25761
1131 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1132 MACHO_DYNAMIC_NO_PIC_P.
1133 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1135 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1137 PR target/26389
1138 * config/darwin-protos.h (darwin_asm_output_anchor):
1139 Declare.
1140 * config/darwin-sections.def (cstring_section):
1141 Add SECTION_MERGE to the flags.
1142 (literal4_section): Likewise.
1143 (literal8_section): Likewise.
1144 (objc_selector_refs_section): Likewise.
1145 (objc_cls_refs_section): Likewise.
1146 * config/darwin.c (darwin_asm_output_anchor): New
1147 function.
1148 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1150 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1152 Fix PR tree-optimization/26443
1153 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1154 to todo and PROP_tmt_usage to properties_destroyed.
1155 * tree-ssa-ccp.c (pass_ccp): Ditto.
1156 (pass_store_ccp): Ditto.
1157 * tree-ssa-dom.c (pass_dominator): Ditto.
1159 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1161 * tree-ssa-operands.c: Cleanup whitespace.
1162 (get_asm_expr_operands): Move before first invocation.
1163 (get_indirect_ref_operands): Likewise.
1164 (get_tmr_operands): Likewise.
1165 (get_call_expr_operands): Likewise.
1166 (append_def): Likewise.
1167 (append_use): Likewise.
1168 (append_v_may_def): Likewise.
1169 (append_v_must_def): Likewise.
1170 (add_call_clobber_ops): Likewise.
1171 (add_call_read_ops): Likewise.
1172 (add_stmt_operand): Likewise.
1173 (add_virtual_operand): Likewise.
1174 (build_ssa_operands): Likewise.
1176 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1178 PR middle-end/26022
1179 Revert:
1180 PR middle-end/24437
1181 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1182 with a call expr to ...
1183 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1185 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1187 * tree-vrp.c (extract_range_from_assert): Remove special
1188 handling for types with super-types.
1190 2006-03-01 Ben Elliston <bje@au.ibm.com>
1192 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1193 and powerpc64-*-linux* configurations.
1194 * config/t-dfprules: New file.
1196 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1197 Compile dfp-bit.c from the source directory using -DWIDTH and
1198 $DFP_CFLAGS to control the compilation of that file, rather than
1199 generating width-specific versions in the build directory.
1200 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1201 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1203 2006-02-28 Zack Weinberg <zackw@panix.com>
1205 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1206 continues to work.
1208 2006-02-28 Eric Christopher <echristo@apple.com>
1210 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1211 Set up IN_LIBGCC definition of TARGET_64BIT.
1212 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1214 2006-02-28 Roger Sayle <roger@eyesopen.com>
1216 PR middle-end/14752
1217 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1218 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1219 cases via the construction of "expr != 0".
1221 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1223 * alias.c (alias_invariant, alias_invariant_size): Remove.
1224 (record_base_value): Remove.
1225 (memrefs_conflict_p): Don't look at alias_invariant.
1226 (end_alias_analysis): Don't free it.
1227 * alias.h (record_base_value): Remove prototype.
1229 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1230 Adam Nemet <anemet@caviumnetworks.com>
1232 * rtl.h (truncated_to_mode): Declare it.
1233 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1234 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1235 (RTL_HOOKS_INITIALIZER): Include it.
1236 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1237 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1238 reg_truncated_to_mode.
1239 * rtlanal.c (truncated_to_mode): Define it.
1240 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1242 2006-02-28 Jeff Law <law@redhat.com>
1244 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1245 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1246 the range allowed by TYPE_PRECISION.
1248 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1250 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1252 PR tree-optimization/26419
1253 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1254 values of n.
1256 2006-02-27 Zack Weinberg <zackw@panix.com>
1258 * doc/md.texi: Fix typo in previous change.
1260 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1262 * df.c: Remove.
1264 2006-02-27 Zack Weinberg <zackw@panix.com>
1266 * rtl.def (define_constraint, define_register_constraint)
1267 (define_memory_constraint, define_address_constraint): New MD forms.
1268 * gensupport.c (process_rtx): Put define_constraint etc on the
1269 predicate queue.
1270 * genpreds.c (process_define_predicate): Adjust comment. Validate
1271 the name, and call validate_exp to validate the expression.
1272 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1273 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1274 all callers changed.
1275 (validate_exp, needs_variable, struct constraint_data)
1276 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1277 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1278 (const_dbl_constraints, constraint_max_namelen)
1279 (have_register_constraints, have_memory_constraints)
1280 (have_address_constraints, have_address_constraints)
1281 (have_extra_constraints, have_const_int_constraints)
1282 (have_const_dbl_constraints, mangle, add_constraint)
1283 (process_define_constraint, process_define_register_constraint)
1284 (write_enum_constraint_num, write_lookup_constraint)
1285 (write_insn_constraint_len, write_regclass_for_constraint)
1286 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1287 (write_insn_extra_memory_constraint)
1288 (write_insn_extra_address_constraint)
1289 (write_satisfies_constraint_fns): New.
1290 (write_tm_preds_h): If we have new-style constraint definitions,
1291 prototype the functions generated from them, and define the
1292 old constraint interface (still used by generic code) in terms of
1293 those functions.
1294 (write_insn_preds_c): If we have new-style constraint definitions,
1295 generate all relevant functions from those definitions.
1296 (main): Handle define_constraint etc.
1297 * genoutput.c (struct constraint_data, indep_constraints)
1298 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1299 (mdep_constraint_len): New data structures and functions, defined
1300 #ifdef USE_MD_CONSTRAINTS.
1301 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1302 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1303 use new logic to validate operand constraints against constraint
1304 definitions.
1305 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1306 defined.
1307 * defaults.h: If none of the old-style constraint macros are
1308 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1309 old-style macros; and poison REG_CLASS_FROM_LETTER,
1310 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1311 EXTRA_CONSTRAINT.
1312 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1313 * doc/md.texi: Document new constraint-definition mechanism and the
1314 C interface it provides. Remove references to old mechanism
1315 elsewhere in the document.
1316 (Machine Constraints): Use pathnames relative to gcc directory,
1317 i.e. config/ARCH/FILE. Change i386 section to refer to
1318 config/i386/predicates.md; update that section to match docstrings.
1319 * doc/tm.texi: Move all documentation of the old constraint-
1320 definition macros to their own section, clearly mark as obsolete.
1322 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1323 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1324 definitions.
1325 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1326 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1327 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1328 constraint strings.
1329 (splits and peepholes): Use satisfies_constraint_*.
1330 * config/i386/i386.c (memory_address_length)
1331 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1333 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1335 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1336 scalar operation to be put back into the loop.
1338 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1340 PR other/26208
1341 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1342 (extract_cie_info): Handle S flag in augmentation string.
1343 (execute_cfa_program): If context->signal_frame, execute also
1344 fs->pc == context->ra instructions.
1345 (uw_frame_state_for): If context->signal_frame, don't subtract one
1346 from context->ra to find FDE.
1347 (uw_update_context_1): Set context->signal_frame to
1348 fs->signal_frame.
1349 (_Unwind_GetIPInfo): New function.
1350 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1351 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1352 of _Unwind_GetIP.
1353 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1354 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1355 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1356 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1357 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1358 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1359 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1360 x86_64_fallback_frame_state): Set fs->signal_frame.
1361 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1362 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1363 (frob_update_context): Likewise. Workaround missing S flag in
1364 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1365 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1366 Remove the psw_addr + 1 hack.
1368 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1370 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1371 with aggregates here.
1372 (find_func_aliases): Remove code for &<aggregate> from here.
1374 2006-02-26 Roger Sayle <roger@eyesopen.com>
1376 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1377 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1378 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1379 as (X & C) ne/eq 0.
1381 2006-02-26 Roger Sayle <roger@eyesopen.com>
1383 PR middle-end/19983
1384 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1386 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1388 * opts.c (decode_options): Do not handle flag_strength_reduce.
1389 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1390 and OPT_fstrength_reduce.
1391 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1392 flag_prefetch_loop_arrays for being nonzero.
1393 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1394 no-ops.
1395 (fprefetch-loop-arrays-rtl): Removed.
1396 (flag_prefetch_loop_arrays): Do not specify the value.
1398 * doc/passes.texi: Update documentation of loop optimizer
1399 passes.
1400 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1401 -frerun-loop-opt): Remove.
1403 2006-02-26 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/26421
1406 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1407 in function calls that are ADDR_EXPRs as using the whole structure.
1409 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1411 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1412 * tree-pass.h (pass_loop_optimize): Remove.
1413 * passes.c (pass_loop_optimize): Never run it.
1414 * toplev.c (backend_init): Don't call init_loop.
1415 * opts.c (flag_loop_optimize_set): Remove.
1416 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1417 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1418 the old RTL loop optimizer when profiling enabled.
1419 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1420 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1421 pre-headers for the sake of the old RTL loop optimizer.
1422 * Makefile.in: Remove all references to loop.o.
1424 * doc/invoke.texi: Remove all references to -floop-optimize
1425 and -frerun-loop-opt.
1427 2006-02-26 Zack Weinberg <zackw@panix.com>
1429 * doc/md.texi (Machine Constraints): Refer to all files with paths
1430 relative to gcc directory (i.e. config/CPU/file). Add missing
1431 @table @code ... @end table to M32C subsection.
1433 2006-02-26 Roger Sayle <roger@eyesopen.com>
1435 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1436 (X & 1) == 0.
1437 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1439 2006-02-26 Roger Sayle <roger@eyesopen.com>
1440 James A. Morrison <phython@gcc.gnu.org>
1442 PR middle-end/21137
1443 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1444 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1445 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1446 signedness of the shift operation.
1448 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1450 PR tree-optimization/26359
1451 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1453 2006-02-25 Roger Sayle <roger@eyesopen.com>
1455 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1456 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1457 as X == 0, and some symmetry related transformations.
1458 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1460 2006-02-25 Roger Sayle <roger@eyesopen.com>
1462 PR middle-end/23673
1463 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1464 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1465 symmetry related transformations. Fold (X^C1) == C2 as
1466 X == (C1^C2).
1468 2006-02-25 Juergen Weigert <jw@suse.de>
1469 Richard Guenther <rguenther@suse.de>
1471 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1473 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1475 * combine.c (gen_lowpart_or_truncate): Call
1476 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1478 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1480 * doc/invoke.texi: Move -fopenmp description to "Options for
1481 Code Generation".
1482 Remove reference to -lgomp.
1484 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1486 * doc/install.texi: Require GNU tar version 1.14.
1488 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1490 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1491 * doc/invoke.texi (C++ Dialect Options): Document
1492 -fno-use-cxa-get-exception-ptr.
1493 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1494 * configure: Regenerate.
1495 * c.opt (fuse-cxa-get-exception-ptr): New.
1496 * c-opts.c (c_common_handle_option): Handle
1497 OPT_fuse_cxa_get_exception_ptr.
1498 * c-common.c (flag_use_cxa_atexit): Update documentation.
1499 (flag_use_cxa_get_exception_ptr): New.
1500 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1501 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1502 documentation.
1503 (C_COMMON_OVERRIDE_OPTIONS): New.
1505 2006-02-24 Roger Sayle <roger@eyesopen.com>
1507 PR middle-end/24952
1508 * combine.c (try_combine): Explicitly check whether GET_CODE is
1509 a SET or a CLOBBER, instead on checking that it isn't a USE.
1511 2006-02-24 Roger Sayle <roger@eyesopen.com>
1513 * fold-const.c (fold_comparison): New subroutine of fold_binary
1514 containing transformations common to both the equality and
1515 ordering relational operators, factored out of fold_binary.
1516 (fold_binary): Separate out the equality operators (EQ_EXPR
1517 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1518 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1519 transformations common to both.
1520 (fold_div_compare): Fix latent bugs in the previously unreachable
1521 LT_EXPR and GE_EXPR cases.
1523 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1525 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1526 decl libname for clog to __clog on AIX.
1528 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1530 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1532 PR target/26453
1533 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1534 output traceback table for thunks. Localise rs6000_stack_info call.
1536 2006-02-23 Roger Sayle <roger@eyesopen.com>
1537 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1539 * gthr-posix.h (__gthrw): Fix typo in comment.
1541 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1543 * doc/cpp.texi (Character sets): Document that we do support
1544 input files to be in any character set.
1546 2006-02-23 Jeff Law <law@redhat.com>
1548 * tree.h (PHI_ARG_NONZERO): Remove.
1549 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1550 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1551 node to the new node.
1553 PR tree-optimization/26425
1554 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1555 min/max, then assume its varying.
1557 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1559 PR rtl-optimization/26316
1560 * rtlanal.c (enum may_trap_p_flags): New.
1561 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1562 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1563 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1564 (may_trap_after_code_motion_p): New function.
1565 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1566 (find_invariant_insn): Use may_trap_after_code_motion_p.
1567 * rtl.h (may_trap_after_code_motion_p): Declare.
1569 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1571 * emit-rtl.c (immed_double_const): Cleanup.
1573 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1575 Fix PR tree-optimization/26376
1576 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1577 remove assert.
1579 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1581 PR middle-end/26412
1582 * gimplify.c (omp_add_variable): Guard variable size decl test with
1583 DECL_SIZE (decl) check.
1585 2006-02-23 Richard Guenther <rguenther@suse.de>
1587 PR middle-end/26439
1588 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1589 like aggregate types.
1591 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1593 * configure.ac: Add --with{,out}-long-double-128 configure option.
1594 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1595 * configure: Rebuilt.
1596 * config.in: Rebuilt.
1597 * doc/install.texi (Options specification): Document
1598 --with-long-double-128.
1600 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1601 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1602 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1603 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1605 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1607 * config/s390/s390.c (override_options): Handle
1608 TARGET_DEFAULT_LONG_DOUBLE_128.
1610 * config/alpha/alpha.c (override_options): Handle
1611 TARGET_DEFAULT_LONG_DOUBLE_128.
1613 * config/sparc/sparc.c (sparc_override_options): Handle
1614 TARGET_DEFAULT_LONG_DOUBLE_128.
1616 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1618 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1619 (real-install-headers-tar, real-install-headers-cpio)
1620 (real-install-headers-cp): New targets.
1622 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1624 * tree.h (variable_section): Delete.
1625 * varasm.c (variable_section): Delete.
1627 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1629 * install.texi: Add notes on install.texi2html.
1630 (Building in parallel): Do not use footnotes.
1632 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1634 PR libgomp/26234
1635 * doc/install.texi (Configuration): Document --disable-libgomp.
1637 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1639 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1641 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1643 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1644 (vec_extractv2df_0_sse): New.
1646 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1648 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1649 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1650 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1651 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1652 to the result of the expression.
1653 (def_cfa_1): Adjust.
1654 (frame_pointer_cfa_offset): Rename to...
1655 (frame_pointer_fb_offset): ... this. Adjust all uses.
1656 (convert_cfa_to_loc_list): Rename to...
1657 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1658 Pass it on to build_cfa_loc.
1659 (compute_frame_pointer_to_cfa_displacement): Rename to...
1660 (compute_frame_pointer_to_fb_displacement): ... this. New
1661 offset parameter. Use it in computation.
1662 (gen_subprogram_die): Compute cfa_fb_offset with the new
1663 macro, and use it to compute the fb loc list and the
1664 displacement.
1666 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1668 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1669 replaced with register_operand.
1670 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1671 non-DREG is expensive.
1672 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1673 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1674 involving memory.
1676 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1678 * doc/install.texi2html: Use set -e.
1680 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1682 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1683 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1684 * doc/invoke.texi (-fshared-data): Delete.
1685 * common.opt (fshared-data): Delete.
1686 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1687 (assemble_static_space): Remove #if 0 code.
1688 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1689 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1690 * config/cris/cris.h: Remove FIXME.
1692 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1694 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1695 hooks.
1697 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1699 PR middle-end/26379
1700 * combine.c (simplify_shift_const_1): Disable nested shifts
1701 optimization for vector shifts.
1703 2006-02-20 Roger Sayle <roger@eyesopen.com>
1705 PR tree-optimization/26361
1706 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1707 of unsigned integer types.
1709 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1711 * tree-chrec.c (eq_evolutions_p): New.
1712 * tree-chrec.h (eq_evolutions_p): Declared.
1713 * tree-data-ref.c: Fix formatting.
1714 (datadep_stats, dependence_stats): New.
1715 (gcd): Moved...
1716 (print_direction_vector): New.
1717 (dump_data_dependence_relation): Use print_direction_vector.
1718 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1719 (compute_subscript_distance): Static.
1720 (initialize_data_dependence_relation): Static. Get the number
1721 of loops surrounding the references from the callers, and initialize
1722 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1723 base_object_differ_p analyzers.
1724 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1725 compute_overlap_steps_for_affine_1_2,
1726 analyze_subscript_affine_affine): Count the classified dependences.
1727 Print a message when a test failed.
1728 (can_use_analyze_subscript_affine_affine): New.
1729 (analyze_siv_subscript): Compute the data dependences on symbolic
1730 scevs that verify can_use_analyze_subscript_affine_affine.
1731 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1732 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1733 Handle symbolic scevs.
1734 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1735 analyzed.
1736 (subscript_dependence_tester): Moved...
1737 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1738 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1739 DDR_SIZE_VECT instead of getting it in parameter.
1740 (subscript_dependence_tester): ... here. Take as a parameter
1741 loop_nest_depth. Call build_classic_dist_vector and
1742 build_classic_dir_vector.
1743 (compute_affine_dependence): Update subscript_dependence_tester
1744 parameters. Update datadep_stats counters. Call
1745 compute_subscript_distance.
1746 (compute_self_dependence): Save the dist and dir vectors. Call
1747 compute_subscript_distance.
1748 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1749 (compute_all_dependences): Reorder parameters as they were before
1750 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1751 compute_subscript_distance. Update the use of
1752 compute_affine_dependence and initialize_data_dependence_relation.
1753 (find_data_references_in_loop): Handle COMPONENT_REF.
1754 (compute_data_dependences_for_loop): Initialize dependence_stats.
1755 Don't call build_classic_dist_vector and build_classic_dir_vector.
1756 Update the parameters of initialize_data_dependence_relation and
1757 compute_all_dependences. Print the statistics from datadep_stats.
1758 (analyze_all_data_dependences): Static. Not used until the pass for
1759 checking the data dependences is contributed.
1760 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1761 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1762 (initialize_data_dependence_relation, compute_affine_dependence,
1763 analyze_all_data_dependences, compute_subscript_distance): Removed.
1764 (print_direction_vector): New.
1765 * lambda.h (gcd): ... here.
1766 (lambda_vector_gcd): Moved here from gcd_vector.
1767 * lambda-code.c (gcd, gcd_vector): Removed.
1768 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1769 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1771 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1773 * ipa-type-escape.c: Tidy some comments and white space.
1774 * tree-ssa-operands.c: Likewise.
1776 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1778 PR tree-opt/25879
1779 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1780 (dump_decl_name): Do not walk the decl tree chains.
1781 * tree-pass.h (TDF_CHAIN): Remove.
1783 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1785 * Makefile.in (C): Remove
1786 (PROTO): Remove
1787 (.PHONY): Remove C and PROTO
1789 2006-02-20 Roger Sayle <roger@eyesopen.com>
1791 PR middle-end/26236
1792 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1793 deprecated CHAR_TYPE tree code.
1795 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1797 * configure.ac (target_list): Add install-info, dvi, html.
1798 * configure: Regenerate.
1800 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1801 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1802 treelang/Make-lang.in: Do not use double-colon rules.
1804 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1806 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1807 (TMT_USED_ALONE): New macro.
1808 * tree-pass.h (PROP_tmt_usage): New property.
1809 (TODO_update_tmt_usage): New todo.
1810 * tree-ssa-alias.c (updating_used_alone): New variable.
1811 (recalculate_used_alone): New function.
1812 (compute_may_aliases): Set updating_used_alone, call
1813 recalculate_used_alone.
1814 * tree-sra.c (pass_sra): Note that this pass destroys
1815 PROP_tmt_usage, and add TODO_update_tmt_usage.
1816 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1817 * tree-flow.h (updating_used_alone): Prototype.
1818 (recalculate_used_alone): Ditto.
1819 * passes.c (execute_todo): Add code to set updating_used_alone,
1820 and call recalculate.
1821 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1822 for clobber if used alone, and add assert to verify used_alone
1823 status.
1825 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1827 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1828 for non tls symbols added.
1829 (legitimize_address): Do nothing for PLUS expressions if one of the
1830 addends is a tls symbol reference.
1832 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1834 PR bootstrap/25476
1836 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1838 * Makefile.in (BOOTSTRAPPING): New.
1839 (quickstrap): New definition if BOOTSTRAPPING=yes.
1841 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1842 * configure.ac: Substitute all_selected_languages with the languages
1843 that were configured. For all the other variables except
1844 lang_specs_files, include all the languages in the tree.
1845 * configure: Regenerate.
1847 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1848 if there is one. Run the commands to run fixincludes in the same
1849 subshell.
1851 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1852 * doc/install.texi: Document exact conventions for searching target tools.
1853 Document --with-build-time-tools. Document toplevel bootstrap. Document
1854 something more about building an Ada cross-compiler. Don't list GNU Make
1855 requirements which affect all platforms.
1857 2006-02-19 Roger Sayle <roger@eyesopen.com>
1859 PR middle-end/19543
1860 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1861 only equivalent if the have both the same mode and precision.
1863 2006-02-20 Ben Elliston <bje@au.ibm.com>
1865 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1867 2006-02-19 Roger Sayle <roger@eyesopen.com>
1868 Steven Bosscher <stevenb.gcc@gmail.com>
1870 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1871 constant pool references to identify stack mode constants.
1872 * rtlanal.c (constant_pool_constant_p): New predicate to check
1873 whether operand is a floating point constant in the pool.
1874 * rtl.h (constant_pool_constant_p): Prototype here.
1875 * loop.c (scan_loop): Avoid hoisting constants from the constant
1876 pool on STACK_REGS targets.
1877 (load_mems): Likewise.
1878 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1879 loads into x87 registers expensive in terms of register pressure.
1881 2006-02-19 Roger Sayle <roger@eyesopen.com>
1883 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1884 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1886 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1888 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1889 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1891 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1893 * doc/invoke.texi: Document -fipa-pta.
1894 * common.opt: Add ipa-pta option.
1895 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1896 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1897 (do_ds_constraint): Ditto.
1898 (get_constraint_for): Only add to referenced_vars if
1899 referenced_vars exists.
1900 (insert_into_field_list): Rewrite to do this unsorted.
1901 (insert_into_field_list_sorted): Rename old insert_into_field_list
1902 to this.
1903 (create_function_info_for): Use insert_into_field_list_sorted.
1904 (create_variable_info_for): Rewrite so it uses unsorted version,
1905 since the field list is sorted.
1906 (intra_create_variable_infos): Only add to referenced_vars if
1907 referenced_vars exists.
1908 (ipa_pta_execute): Init heapvars, and delete when done.
1909 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1911 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1913 * doc/install.texi: Add missing `@samp'.
1915 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1917 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1918 Use the arguments.
1920 2006-02-18 Mark Wielaard <mark@klomp.org>
1922 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1923 who added new 4.1 features, bug fixes and integration support.
1925 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1927 PR target/26350
1928 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1929 MEM for ABI_V4 pic.
1931 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1933 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1934 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1935 (copy_insn_1): Likewise. Don't copy each field individually.
1936 Reindent.
1937 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1938 of RTX_SIZE.
1939 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1940 * rtl.c (rtx_size): Rename variable to...
1941 (rtx_code_size): ...this.
1942 (rtx_size): New function.
1943 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1944 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1945 Reindent.
1946 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1947 * rtl.h (rtx_code_size): New variable.
1948 (rtx_size): Change from a variable to a function.
1949 (RTX_SIZE): Rename to...
1950 (RTX_CODE_SIZE): ...this.
1952 PR target/9703
1953 PR tree-optimization/17106
1954 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1955 (Anchored Addresses): New section.
1956 * doc/invoke.texi (-fsection-anchors): Document.
1957 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1958 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1959 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1960 * hooks.c (hook_bool_mode_rtx_false): New function.
1961 * hooks.h (hook_bool_mode_rtx_false): Declare.
1962 * gengtype.c (create_optional_field): New function.
1963 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1964 SYMBOL_REF_IN_BLOCK_P is true.
1965 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1966 (min_anchor_offset, max_anchor_offset): Likewise.
1967 (use_anchors_for_symbol_p): New hook.
1968 * toplev.c (compile_file): Call output_object_blocks.
1969 (target_supports_section_anchors_p): New function.
1970 (process_options): Check that -fsection-anchors is only used on
1971 targets that support it and when -funit-at-a-time is in effect.
1972 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1973 if the decl doesn't have one.
1974 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1975 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1976 of force_const_mem through use_anchored_address.
1977 (expand_expr_constant): New function.
1978 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1979 calling expand_expr for INDIRECT_REF.
1980 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1981 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1982 * expr.h (use_anchored_address): Declare.
1983 * loop-unroll.c: Don't declare rtx vectors here.
1984 * explow.c: Include output.h.
1985 (validize_mem): Call use_anchored_address.
1986 (use_anchored_address): New function.
1987 * common.opt (-fsection-anchors): New switch.
1988 * varasm.c (object_block_htab, anchor_labelno): New variables.
1989 (hash_section, object_block_entry_eq, object_block_entry_hash)
1990 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1991 (use_blocks_for_decl_p, change_symbol_section): New functions.
1992 (get_variable_section): New function, split out from assemble_variable.
1993 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1994 use_blocks_for_decl_p say so. Use change_symbol_section if the
1995 symbol has already been created.
1996 (assemble_variable_contents): New function, split out from...
1997 (assemble_variable): ...here. Don't output any code for
1998 block symbols; just pass them to place_block_symbol.
1999 Use get_variable_section and assemble_variable_contents.
2000 (get_constant_alignment, get_constant_section, get_constant_size): New
2001 functions, split from output_constant_def_contents.
2002 (build_constant_desc): Create a block symbol if use_object_blocks_p
2003 says so. Or into SYMBOL_REF_FLAGS.
2004 (assemble_constant_contents): New function, split from...
2005 (output_constant_def_contents): ...here. Don't output any code
2006 for block symbols; just pass them to place_section_symbol.
2007 Use get_constant_section and get_constant_alignment.
2008 (force_const_mem): Create a block symbol if use_object_blocks_p and
2009 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2010 (output_constant_pool_1): Add an explicit alignment argument.
2011 Don't switch sections here.
2012 (output_constant_pool): Adjust call to output_constant_pool_1.
2013 Switch sections here instead. Don't output anything for block symbols;
2014 just pass them to place_block_symbol.
2015 (init_varasm_once): Initialize object_block_htab.
2016 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2017 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2018 (place_block_symbol, get_section_anchor, output_object_block)
2019 (output_object_block_htab, output_object_blocks): New functions.
2020 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2021 (TARGET_ASM_OUT): Include it.
2022 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2023 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2024 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2025 (TARGET_INITIALIZER): Include them.
2026 * rtl.c (rtl_check_failed_block_symbol): New function.
2027 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2028 (block_symbol, object_block): New structures.
2029 (rtx_def): Add a block_symbol field to the union.
2030 (BLOCK_SYMBOL_CHECK): New macro.
2031 (rtl_check_failed_block_symbol): Declare.
2032 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2033 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2034 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2035 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2036 * output.h (output_section_symbols): Declare.
2037 (object_block): Name structure.
2038 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2039 (default_use_anchors_for_symbol_p): Declare.
2040 * Makefile.in (RTL_BASE_H): Add vec.h.
2041 (explow.o): Depend on output.h.
2042 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2043 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2044 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2045 (rs6000_use_blocks_for_constant_p): New function.
2047 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2049 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2051 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2053 PR tree-opt/25680
2054 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2055 IMAGPART_EXPR.
2057 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2059 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2060 is_aliased.
2061 Update all users.
2063 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2065 PR middle-end/26334
2066 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2067 instead of DECL_REGISTER.
2069 2006-02-18 Olivier Hainque <hainque@adacore.com>
2071 PR ada/13408
2072 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2074 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2076 PR target/24837
2077 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2078 * opth-gen.awk: Handle Var and InverseMask together.
2079 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2080 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2081 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2082 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2083 used together.
2084 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2085 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2086 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2087 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2088 LINUX_DYNAMIC_LINKER): Define.
2089 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2090 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2091 TARGET_GLIBC.
2092 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2093 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2094 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2096 (TARGET_C99_FUNCTIONS): Don't define.
2097 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2098 GLIBC_DYNAMIC_LINKER.
2099 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2100 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2101 GLIBC_DYNAMIC_LINKER64): Define.
2102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2103 LINUX_DYNAMIC_LINKER64.
2104 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2106 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2108 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2110 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2111 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2112 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2114 and LINUX_DYNAMIC_LINKER32.
2115 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2117 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2119 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2120 TARGET_GLIBC.
2121 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2122 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2123 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2124 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2125 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2126 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2127 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2128 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2129 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2130 LINUX_DYNAMIC_LINKER): Define.
2131 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2132 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2133 GLIBC_DYNAMIC_LINKER64): Define.
2134 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2135 LINUX_DYNAMIC_LINKER64.
2136 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2137 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2138 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2139 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2140 LINUX_DYNAMIC_LINKER): Define.
2141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2142 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2143 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2144 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2145 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2146 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2147 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2148 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2149 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2150 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2151 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2152 * doc/invoke.texi (-muclibc): Remove caveat about supported
2153 targets.
2155 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2157 * doc/cpp.texi (__TIMESTAMP__): Document.
2159 2006-02-17 Roger Sayle <roger@eyesopen.com>
2161 PR middle-end/25600
2162 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2163 C is one less than the width of X (and related transformations).
2164 * simplify-rtx.c (simplify_unary_operation_1): Transform
2165 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2166 depending on STORE_FLAG_VALUE, were C is one less then the
2167 width of X.
2169 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2171 Fix PR tree-optimization/26341
2172 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2173 about NAME_MEMORY_TAG's.
2175 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2177 PR target/26255
2178 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2179 with hardware float support, and software float support. Add fcpy
2180 alternative to hardware patterns. Add alternatives to copy between
2181 general and floating-point registers to the 32-bit pattern.
2182 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2183 secondary reload to load a QI or HI mode constant into a floating
2184 point register.
2185 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2186 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2188 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2190 PR target/26272
2191 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2192 pc to the pattern.
2193 (load_macho_picbase_di): Likewise.
2195 2006-02-16 Jeff Law <law@redhat.com>
2197 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2198 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2199 (ssa_name_nonzero_p): Likewise.
2200 (get_value_range): Return NULL if VRP is not running.
2201 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2202 VRP routines do not discover a range.
2203 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2204 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2205 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2206 (tree_expr_nonnegative_p): Similarly.
2207 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2208 (restore_nonzero_vars_to_original_value): Remove.
2209 (unsafe_associative_fp_binop): Remove.
2210 (tree_ssa_dominator_optimize): Remove initialization and
2211 finalization of nonzero_vars and nonzero_vars_stack.
2212 (dom_opt_initialize_block): No longer push marker on
2213 nonzero_vars_stack.
2214 (dom_opt_finalize_block): No longer call
2215 restore_nonzero_vars_to_original_value.
2216 (record_equivalences_from_phis): No longer look for
2217 nonzero PHI arguments.
2218 (cprop_into_successor_phis): No longer propagate nonzero
2219 property into PHI arguments. Lose unused argument. Caller
2220 updated.
2221 (record_equivalences_from_stmt): No longer record nonzero
2222 values for SSA_NAMEs.
2223 (lookup_avail_expr): No longer use nonzero_vars.
2225 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2226 for sizetype when sizetype is unsigned.
2228 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2230 PR rtl-optimization/25603
2231 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2232 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2233 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2234 with new meaning of SETS.
2236 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2238 PR target/20353
2239 PR target/24578
2240 PR target/24837
2241 * config/linux.opt: New file.
2242 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2243 LINUX_DYNAMIC_LINKER): Define.
2244 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2245 * config.gcc (*-*-linux*): Define extra_options.
2246 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2247 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2248 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2249 GLIBC_DYNAMIC_LINKER.
2250 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2251 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2252 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2254 * doc/invoke.texi (GNU/Linux Options): New section.
2256 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2258 * config/sparc/sparc.md (setjmp): Rewrite.
2259 (setjmp_32): Delete.
2260 (setjmp_64): Likewise.
2262 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2264 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2265 previous change.
2267 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2269 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2270 read-write uses.
2272 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2274 PR rtl-optimization/26296
2275 * Makefile.in (loop-invariant.c): Add except.h dependency.
2276 * loop-invariant.c: Include except.h.
2277 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2279 2005-02-16 Paul Brook <paul@codesourcery.com>
2281 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2282 for reloads.
2284 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2286 PR rtl-optimization/25636
2287 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2288 when deciding whether an insn is an initializing insn.
2290 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2292 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2293 (tree_code_size): Ditto.
2294 * tree.h (struct tree_memory_tag): Remove parent_var.
2295 (struct tree_struct_field_tag): New.
2296 (SFT_OFFSET): New.
2297 (SFT_SIZE): New.
2298 (union tree_node): Add sft member.
2299 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2300 specially here.
2301 (create_sft): Add size and offset argument, set SFT_OFFSET and
2302 SFT_SIZE.
2303 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2304 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2305 * tree-flow-inline.h (get_subvar_at): Update for
2306 SFT_OFFSET/SFT_SIZE.
2307 (var_can_have_subvars): Ditto.
2308 (overlap_subvar): Ditto.
2309 * print-tree.c (print_node): Print out interesting things for
2310 SFT's.
2311 * tree-flow.h (struct subvar): Remove offset and size members.
2312 * tree-ssa-operands.c (get_expr_operands): Update for
2313 get_indirect_ref_operands changes.
2314 (get_indirect_ref_operands): Call add_virtual_operand instead of
2315 add_stmt_operand. Only recurse on base var if requested.
2316 (access_can_touch_variable): New function.
2317 (add_stmt_operand): Split virtual operand handling into ...
2318 (add_virtual_operand): Here. Add offset, size, and for_clobber
2319 arguments. Prune alias sets.
2320 (add_call_clobber_ops): Call add_virtual_operand.
2322 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2324 PR middle-end/26300
2325 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2327 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2328 than TREE_CODE as index into omp_clause_num_ops array.
2330 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2332 PR rtl-optimization/26184
2333 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2334 uses_of_defs.
2335 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2336 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2337 must_precede, must_follow and tobe_scheduled.
2339 PR other/26147
2340 * opts.c (common_handle_option): Free new_option pointer.
2341 * df-core.c (df_analyze): Free postorder pointer.
2343 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2345 * Makefile.in: Fix the examples about the use of stamps
2347 2006-02-15 Michael Matz <matz@suse.de>
2349 PR middle-end/22275
2351 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2352 influenced by maximum_field_alignment or DECL_PACKED.
2353 (update_alignment_for_field): Ditto.
2354 (place_field): Ditto.
2355 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2356 this behaviour.
2358 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2360 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2361 (debug_flow_info): Pass it.
2362 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2363 * bb-reorder.c (reorder_basic_blocks): Likewise.
2364 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2365 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2366 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2367 * gcse.c (gcse_main, bypass_jumps): Likewise.
2368 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2369 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2370 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2371 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2372 * rtl.h (dump_flow_info): Adjust prototype.
2373 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2374 * var-tracking.c (variable_tracking_main): Likewise.
2375 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2376 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2377 options.
2379 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2381 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2382 construction.
2384 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2386 PR tree-optimization/26209
2387 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2388 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2389 eh edges.
2390 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2392 2006-02-14 Roger Sayle <roger@eyesopen.com>
2394 PR middle-end/23670
2395 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2396 (X,Y) and the corresponding symmetry related transformations.
2397 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2398 (X,Y) and its symmetry related transformations.
2400 2006-02-14 Roger Sayle <roger@eyesopen.com>
2402 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2403 and GEU.
2405 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2407 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2409 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2411 PR bootstrap/26053
2412 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2413 support COMDAT group.
2414 * configure: Regenerate.
2416 2006-02-14 Roger Sayle <roger@eyesopen.com>
2418 PR middle-end/26279
2419 PR middle-end/26280
2420 PR middle-end/26283
2421 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2423 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2425 Fix PR tree-optimization/26260
2427 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2428 param.
2429 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2430 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2431 * tree-ssa-structalias.c (create_variable_info_for): Use
2432 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2434 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2436 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2437 Document.
2438 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2439 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2440 of the ending condition.
2441 * tree-ssa-loop-manip.c: Include params.h.
2442 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2443 tree_unroll_loop): New functions.
2444 * tree-pass.h (pass_loop_prefetch): Declare.
2445 * loop.c (rest_of_handle_loop_optimize): Test for
2446 -fprefetch-loop-arrays-rtl.
2447 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2448 * timevar.def (TV_TREE_PREFETCH): New timevar.
2449 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2450 pass_loop_prefetch): New.
2451 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2452 (cleanup_tree_cfg_loop): Call scev_reset.
2453 * common.opt (fprefetch-loop-arrays-rtl): Add.
2454 * tree-ssa-loop-prefetch.c: New file.
2455 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2456 (new_temp_expr_table): Initialize expr_vars.
2457 (free_temp_expr_table): Cleanup expr_vars.
2458 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2459 expressions from being merged into one.
2460 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2461 (struct tree_niter_desc): Add control, bound and cmp fields.
2462 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2463 Declare.
2464 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2465 (tree-cfgcleanup.o): Add SCEV_H dependency.
2466 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2467 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2469 2006-02-14 Richard Guenther <rguenther@suse.de>
2471 PR tree-optimization/26258
2472 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2473 in PHI argument processing.
2475 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2477 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2478 new expression in the requested machine mode.
2480 2006-02-13 Roger Sayle <roger@eyesopen.com>
2482 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2483 directly, instead let do_compare_rtx_and_jump handle this for us.
2484 * expr.c (expand_expr_real_1): Likewise.
2485 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2486 before do_jump_by_parts_greater.
2487 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2488 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2490 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2492 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2494 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2496 PR rtl-optimization/26235
2497 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2498 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2499 format.
2501 2006-02-13 Jeff Law <law@redhat.com>
2503 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2504 TRUTH_XOR_EPR.
2506 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2508 PR middle-end/26092
2509 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2510 twice if decl is a builtin. When trying again, call get_callee_fndecl
2511 first to verify it is still a builtin.
2513 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2515 * dwarf2out.c (base_type_die): Don't add AT_name here.
2516 (subrange_type_die): Don't add AT_name here.
2517 (modified_type_die): Rearrange code flow. Do add AT_name here.
2519 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2521 PR rtl-optimization/26247
2522 PR rtl-optimization/26248
2523 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2525 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2527 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2528 * config/fixtfdi.c: Likewise.
2529 * config/fixunstfdi.c: Likewise.
2530 * config/floatditf.c: Likewise.
2532 2006-02-13 Roger Sayle <roger@eyesopen.com>
2534 PR middle-end/24427
2535 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2536 into (X,C2) if C1 is a subset of the bits of C2. Transform
2537 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2538 (X&(C1&~C2))|C2.
2539 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2541 2006-02-13 Josh Conner <jconner@apple.com>
2543 PR target/25376
2544 * varasm.c (function_section): Check for section name before
2545 calling select_section on targets that define
2546 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2547 unlikely_text_section instead of hot_function_section if
2548 first_function_block_is_cold.
2550 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2552 PR middle-end/25335
2553 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2555 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2557 PR rtl-optimization/26222
2558 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2559 after tree->rtl expansion.
2560 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2561 before passing it to emit_move_insn.
2563 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2565 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2566 default.
2567 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2568 Clarify documentation.
2569 * c-common.h (warn_write_strings): Remove.
2570 * c-common.c (warn_write_strings): Likewise.
2571 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2572 default for C++.
2574 2006-02-12 Roger Sayle <roger@eyesopen.com>
2576 PR middle-end/25724
2577 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2578 (do_jump_parts_zero_rtx): New function renamed from
2579 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2580 (do_jump_parts_equality_rtx): New function split out from
2581 do_jump_parts_equality. Old implementation renamed as above.
2582 Call do_jump_parts_zero_rtx if either operand is zero.
2583 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2584 do all of the heavy lifting.
2585 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2586 calling either do_jump_by_parts_greater_rtx or
2587 do_jump_by_parts_equality_rtx.
2588 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2589 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2590 moved to do_compare_rtx_and_jump, call it directly.
2591 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2592 mode argument. Call do_compare_rtx_and_jump.
2593 (emit_case_nodes): Update calls to do_jump_if_equal.
2595 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2597 PR rtl-optimization/26225
2598 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2600 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2602 PR rtl-optimization/26232
2603 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2605 2006-02-11 Jason Merrill <jason@redhat.com>
2607 PR tree-opt/24365
2608 * tree-inline.c (declare_return_variable): Just don't use the
2609 modify target if it's a gimple complex reg and the return slot
2610 isn't.
2612 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2614 * doc/contrib.texi: Update my entry.
2616 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2618 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2620 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2622 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2623 expensive.
2625 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2627 * doc/invoke.texi (-floop-optimize2): Removed.
2628 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2629 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2630 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2631 * common.opt (floop-optimize2): Removed.
2632 (fmove-loop-invariants): Enabled by default.
2634 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2636 * tree-if-conv.c (combine_blocks): Free the result of
2637 get_loop_exit_edges.
2639 2006-02-10 Jeff Law <law@redhat.com>
2641 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2643 PR tree-optimization/26213
2644 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2645 loop trying to follow SSA_NAME_VALUE chains.
2647 2006-02-10 Richard Guenther <rguenther@suse.de>
2649 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2650 deal with structures that end in implicitly variable sized arrays.
2652 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2654 PR rtl-optimization/24762
2655 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2656 eh edges.
2658 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2660 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2661 (struct ivopts_data): Add regs_used field.
2662 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2663 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2664 instead of loop_data->regs_used;
2665 (free_loop_data): Do not free aux fields for loops.
2666 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2667 and tree_ssa_iv_optimize_finalize.
2669 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2671 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2673 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2675 PR target/26141
2676 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2677 computing the effective result type.
2679 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2681 PR inline-asm/16194
2682 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2683 (tree_overlaps_hard_reg_set): Declare.
2684 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2685 type and signature to match function type expected by walk_tree.
2686 (tree_overlaps_hard_reg_set): New function.
2687 (decl_conflicts_with_clobbers_p): Rename to:
2688 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2689 Use tree_overlaps_hard_reg_set. Changed caller.
2690 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2691 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2692 * cris.c (cris_md_asm_clobbers): Likewise.
2694 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2696 * reload1.c (emit_input_reload_insns): Delete code that tries to
2697 inherit using find_equiv_reg.
2699 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2701 * c-common.h (flag_const_strings): Don't declare.
2702 * c-common.c (flag_const_strings): Remove.
2703 * c.opt (fconst_strings): Remove.
2704 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2705 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2706 (c_common_init_options): Don't set flag_const_strings.
2707 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2709 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2711 * arm.md (tlobits_cbranch): New pattern.
2712 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2713 testing a single bit.
2715 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2717 PR tree-opt/26179
2718 * tree-ssa-pre.c (create_component_ref_by_pieces):
2719 Handle RETURN_DECL like VAR_DECL.
2721 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2723 PR middle-end/26134
2724 * fold-const.c (fold_indirect_ref_1): Fold
2725 "*(foo *)&complexfoo" to "__real__ complexfoo"
2726 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2728 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2730 * tree-flow-inline.h (var_can_have_subvars):
2731 Volatile variables should not have subvariables.
2733 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2735 PR 26180
2736 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2737 multiplying unsigned values.
2738 Tidy comments.
2740 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2742 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2744 2006-02-08 Jason Merrill <jason@redhat.com>
2746 PR c++/25979
2747 * tree.def: Elaborate on difference from MODIFY_EXPR.
2748 * doc/c-tree.texi (INIT_EXPR): Likewise.
2749 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2750 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2751 (gimplify_target_expr): Likewise.
2752 (gimplify_cond_expr): Remove target handling.
2753 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2754 (gimplify_expr): Clobber it here.
2755 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2756 Do return slot optimization if we have an INIT_EXPR.
2758 PR tree-opt/24365
2759 * tree-inline.c (declare_return_variable): Also clear
2760 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2762 PR c++/16405
2763 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2765 PR middle-end/22439
2766 * gimplify.c (gimplify_one_sizepos): Fix typo.
2768 2006-02-08 Jeff Law <law@redhat.com>
2770 PR tree-optimization/21417
2771 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2772 across a backedge if the control statement at the end of the
2773 block is data dependent on other statements in the same block.
2774 (record_temporary_equivalences_from_stmts): Remove over-conservative
2775 test for threading across backedges.
2777 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2778 control statement, handle all three special cases in the same
2779 manner as they all have the same desired solution. No longer
2780 special case edge flag updating when the post dominator is
2781 the exit block.
2783 2006-02-08 Roger Sayle <roger@eyesopen.com>
2785 * tree.def (CHAR_TYPE): Remove.
2786 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2787 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2788 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2789 (gen_string_type_die): Delete unreachable function.
2791 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2792 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2793 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2794 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2795 * builtins.c (type_to_class): Likewise.
2796 * fold-const.c (fold_convert, build_range_check,
2797 merge_ranges): Likewise.
2798 * expr.c (count_type_elements): Likewise.
2799 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2800 * stor-layout.c (layout_type): Likewise.
2801 * ipa-type-escape.c (type_to_consider): Likewise.
2802 * gimplify.c (omp_firstprivatize_type_sizes,
2803 gimplify_type_sizes): Likewise.
2804 * explow.c (promote_mode): Likewise.
2805 * tree-sra.c (is_sra_scalar_type): Likewise.
2806 * varasm.c (output_constant): Likewise.
2807 * tree-inline.c (remap_type_1): Likewise.
2808 * convert.c (convert_to_pointer, convert_to_real,
2809 convert_to_integer, convert_to_complex): Likewise.
2811 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2813 * df-scan.c (df_def_record_1): A set destination may
2814 be a parallel regardless of mode.
2816 2006-02-08 Roger Sayle <roger@eyesopen.com>
2818 PR target/22209
2819 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2820 * config/mips/_tilib.c: Remove.
2821 * config/fixtfdi.c: New libgcc source file.
2822 * config/fixunstfdi.c: New source file.
2823 * config/floatditf.c: New source file.
2824 * config/floatunditf.c: New souce file.
2825 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2826 files above instead of config/mips/_tilib.c.
2827 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2829 2006-02-08 Jeff Law <law@redhat.com>
2831 PR tree-optimization/26169
2832 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2833 threading jumps.
2835 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2837 * df.h (DF_REG_SIZE): Return the length of the initialized
2838 part of the array.
2840 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2842 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2843 __muldf3): Return a correctly signed zero.
2845 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2847 * passes.c (register_one_dump_file): Accept the current properties
2848 instead of pass number. Adjust call to dump_register. Remove
2849 duplicated code.
2850 (register_dump_files): Now a wrapper around...
2851 (register_dump_files_1): ... this one. Do not modify the pass
2852 structure.
2853 (next_pass_1): Cosmetic fix.
2854 (execute_todo): Keep second parameter only. Use curr_properties
2855 instead of fetching it from the pass structure. Check and set
2856 last_verified.
2857 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2858 instead of fetching it from the pass structure. Fix calls to
2859 execute_todo. Update curr_properties and initialize .vcg RTL dump
2860 after running the pass. Reset last_verified.
2861 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2862 at the beginning.
2863 (FIRST_AUTO_NUMBERED_DUMP): New.
2864 (dump_register): Remove "num" parameter, assign it within the
2865 function.
2866 (get_dump_file_name): Modify template for dumps.
2867 * tree-dump.h (dump_register): Adjust prototype.
2868 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2869 (PROP_trees): Add PROP_gimple_lomp.
2870 (TODO_set_props): New.
2871 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2872 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2873 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2875 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2877 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2878 (sparc64-*-linux*): Likewise.
2879 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2880 * config/sparc/t-linux: New file.
2881 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2882 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2883 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2884 -m32 -mlong-double-128.
2886 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2887 * config/alpha/t-linux: New file.
2888 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2890 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2891 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2892 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2893 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2894 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2895 (CPP_ARCH32_SPEC): Remove.
2897 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2899 PR tree-optimization/26145
2900 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2901 bbs pointer.
2903 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2905 PR target/26109
2906 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2907 >= 240000 when generating code for SOM runtime.
2908 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2909 to $$dyncall when generating code for SOM runtime..
2911 2006-02-07 Dirk Mueller <dmueller@suse.com>
2913 PR c++/18150
2914 * doc/invoke.texi (-Wsequence-point): Update documentation
2915 that -Wsequence-point is implemented for C++ as well.
2917 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2919 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2920 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2921 (LIB_SPEC): Likewise.
2922 * doc/invoke.texi (SPARC options): Document -pthread.
2924 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2926 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2927 PIC addresses.
2929 2006-02-07 Roger Sayle <roger@eyesopen.com>
2931 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2932 Correct comment describing BOOLEAN_TYPE.
2934 2006-02-07 Dirk Mueller <dmueller@suse.com>
2936 * c.opt: C++ frontend supports -Wdiv-by-zero.
2937 * c-opts.c (c_common_handle_option): Remove dead case.
2939 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2941 * configure.ac (TLS assembler check): Do not enable TLS by
2942 default on SPARC/Solaris before version 10.
2943 * configure: Regenerate.
2945 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2947 * doc/invoke.texi (xl-compat): Document conversion and support
2948 routine names.
2950 2006-02-07 Jeff Law <law@redhat.com>
2952 * tree-vrp.c (find_conditional_asserts): Update comments.
2953 (simplify_stmt_for_jump_threading): New.
2954 (identify_jump_threads, finalize_jump_threads): New.
2955 (vrp_finalize): Call identify_jump_threads.
2956 (execute_vrp): Call finalize_jump_threads.
2957 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2958 (vrp_element, vrp_data, vrp_element_p): Remove.
2959 (vrp_hash_elt, vrp_variables_stack): Remove.
2960 (vrp_hash, vrp_eq, record_range): Remove.
2961 (simplify_cond_and_lookup_avail_expr): Remove.
2962 (extract_range_from_cond): Remove.
2963 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2964 (simplify_stmt_for_jump_threading): New.
2965 (dom_thread_across_edge): New wrapper.
2966 (tree_ssa_dominator_optimize): No longer initialize or
2967 finalize any of the VRP datastructures. Remove iteration
2968 step and simplify as a result of removal of iteration step.
2969 (pass_dominator): Perform a cfg cleanup after DOM.
2970 (dom_opt_finalize_block): Use the new common routines
2971 for threading jumps. Simplify stack management slightly.
2972 No longer need to unwind VRP state.
2973 (record_equivalences_from_incoming_edge): No longer record
2974 VRP information.
2975 (eliminate_redundant_computations): No longer call
2976 simplify_cond_and_lookup_avail_expr.
2977 * tree-flow.h (potentially_threadable_block): Prototype.
2978 (thread_across_edge): Likewise.
2979 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2980 (tree-ssa-threadedge.o): Add dependencies.
2981 * tree-ssa-threadedge.c: New file.
2982 * passes.c (init_optimization_passes): Merge PHIs before
2983 calling VRP. Run VRP again late in the SSA optimization pipeline.
2985 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2987 * df-core.c (df_set_blocks): Do not dereference function pointers.
2988 (df_finish1): Likewise.
2989 (df_hybrid_search_forward): Likewise.
2990 (df_hybrid_search_backward): Likewise.
2991 (df_iterative_dataflow): Likewise.
2992 (df_analyze_problem): Likewise.
2993 (df_compact_blocks): Likewise.
2994 (df_dump): Likewise.
2995 * df-scan.c (df_rescan_blocks): Likewise.
2996 (df_record_entry_block_defs): Likewise.
2998 * genconditions.c (write_conditions): Guard the definition of
2999 'insn_conditions' with the check on GCC version.
3000 (write_writer): Guard the traversal 'insn_conditions' with
3001 the check on GCC version.
3003 2006-02-07 Richard Guenther <rguenther@suse.de>
3005 PR c++/26140
3006 Revert
3007 2006-01-30 Richard Guenther <rguenther@suse.de>
3008 PR c++/23372
3009 * gimplify.c (gimplify_target_expr): Handle easy cases
3010 without creating a temporary.
3012 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3014 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3015 use of float in probability computations. Use edge probabilities
3016 in place of statically computed probabilities.
3017 (min_spec_prob): New static variable.
3018 (schedule_insns): Initialize it.
3019 (GET_SRC_PROB): Removed.
3020 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3022 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3024 PR debug/24444
3025 * config/ia64/unwind-ia64.c: Revert last change.
3026 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3027 (INCOMING_FRAME_SP_OFFSET): Define.
3029 2006-02-06 Roger Sayle <roger@eyesopen.com>
3031 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3033 2006-02-07 Ben Elliston <bje@au.ibm.com>
3035 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3036 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3037 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3038 (ix86_return_in_memory): Handle TDmode.
3039 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3040 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3042 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3044 * reorg.c (dbr_schedule): Use dump_file instead of file.
3046 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3048 PR target/25917
3049 * config/ia64/predicates.md (extr_len_operand): New predicate.
3050 * config/ia64/ia64.md (extv): Tighten constraints.
3051 (extzv): Ditto.
3052 (*tbit_and_2): Ditto.
3053 (*tbit_and_3): Ditto.
3054 (*tbit_or_2): Ditto.
3055 (*tbit_or_3): Ditto.
3056 (*bit_zero): Ditto.
3057 (*bit_one): Ditto.
3059 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3061 PR target/23359
3062 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3064 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3066 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3067 loop_optimizer_init and loop_optimizer_finalize
3068 * tree-ssa-sink.c (execute_sink_code): Ditto.
3069 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3070 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3071 tree_ssa_loop_done): Ditto.
3072 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3073 * sched-ebb.c: Include output.h.
3074 (schedule_ebbs): Do not use dump argument.
3075 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3076 * loop.c (loop_dump_stream): Removed.
3077 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3078 argument.
3079 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3080 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3081 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3082 loop_iterations, strength_reduce, record_biv, record_giv,
3083 final_giv_value, check_final_value, check_ext_dependent_givs,
3084 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3085 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3086 dump_file instead of loop_dump_stream.
3087 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3088 argument dump_file.
3089 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3090 dump argument.
3091 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3092 * haifa-sched.c: Include output.h
3093 (schedule_insns, sched_init): Do not use dump argument.
3094 * mode-switching.c (optimize_mode_switching): Ditto.
3095 * modulo-sched.c (stats_file): Removed.
3096 (print_node_sched_params): Do not call argument dump_file.
3097 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3098 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3099 of stats_file.
3100 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3101 use dump argument.
3102 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3103 rtl_loop_init, rtl_loop_done): Ditto.
3104 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3105 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3106 Ditto.
3107 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3108 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3109 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3110 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3111 * emit-rtl.c (renumber_insns): Ditto.
3112 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3113 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3114 * regclass.c (regclass): Ditto.
3115 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3116 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3117 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3118 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3119 Ditto.
3120 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3121 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3122 to regclass.
3123 * gcse.c (gcse_file, debug_stderr): Removed.
3124 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3125 rest_of_handle_gcse): Do not use dump argument.
3126 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3127 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3128 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3129 compute_code_hoist_vbeinout, compute_code_hoist_data,
3130 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3131 compute_store_table, build_store_vectors, insert_insn_start_bb,
3132 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3133 store_motion): Use dump_file instead of gcse_file.
3134 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3135 * profile.c (profile_dump_file): Removed.
3136 (branch_prob): Use dump_file instead of profile_dump_file.
3137 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3138 dump_file.
3139 * tree-ssa-copy.c (dump_copy_of): Ditto.
3140 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3141 dump file to life_analysis.
3142 * bt-load.c (branch_target_load_optimize): Ditto.
3143 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3144 renumber_insns.
3145 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3146 regclass, dbr_schedule): Declaration changed.
3147 * sched-int.h (sched_init): Declaration changed.
3148 * tree-profile.c (tree_profile_dump_file): Removed.
3149 (tree_profile_hooks): Removed profile_dump_file hook.
3150 * rtl-profile (rtl_profile_dump_file): Removed.
3151 (rtl_profile_hooks): emoved profile_dump_file hook.
3152 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3153 changed.
3154 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3155 * tree-cfg.c (build_tree_cfg): Ditto.
3156 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3157 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3158 Declaration changed.
3159 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3160 life_analysis and schedule_insns.
3161 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3162 life_analysis.
3163 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3164 dbr_schedule.
3165 * config/mips/mips.c (mips_reorg): Ditto.
3166 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3167 schedule_ebbs.
3169 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3171 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3172 (s390_mangle_fundamental_type): New.
3173 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3174 Define.
3176 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3177 (alpha_mangle_fundamental_type): New.
3178 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3179 Define.
3181 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3182 Define.
3183 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3184 Define.
3185 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3186 (sparc_mangle_fundamental_type): New.
3188 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3190 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3191 (s390x-*-linux*): Likewise.
3192 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3193 * config/s390/t-linux: New file.
3195 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3197 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3198 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3200 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3202 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3203 (ANTIC_SAFE_LOADS): New macro.
3204 (find_or_generate_expression): Add prototype.
3205 (set_contains_value): Allow null set for sake of not always having
3206 to allocate ANTIC_SAFE_LOADS.
3207 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3208 Allow COMPONENT_REF too.
3209 (valid_in_set): Allow COMPONENT_REF.
3210 Check ANTIC_SAFE_LOADS too.
3211 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3212 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3213 rename.
3214 (can_PRE_operation): Add COMPONENT_REF.
3215 (create_component_ref_by_pieces): New function.
3216 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3217 (insert_aux): Move AGGREGATE_TYPE_P check here.
3218 (compute_avail): Set bb local stmt uids.
3219 (pass_pre): Use TODO_update_ssa_only_virtuals.
3221 2006-02-06 Ben Elliston <bje@au.ibm.com>
3223 * configure.ac: Unconditionally disable decimal float by default.
3224 * configure: Regenerate.
3226 2006-02-06 Ben Elliston <bje@au.ibm.com>
3228 * read-rtl.c (read_name): Terminate reading on EOF.
3230 2006-02-06 Ben Elliston <bje@au.ibm.com>
3232 * dfp.c (decimal_real_arithmetic): Change second argument type
3233 from int to enum tree_code. Do not always return true, but now
3234 return result of any call to decimal_do helper functions.
3235 * dfp.h (decimal_real_arithmetic): Update prototype.
3237 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3239 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3241 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3243 PR tree-opt/25251
3244 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3245 forced labels.
3247 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3249 * tree-vrp.c (cfg_loops): Removed.
3250 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3251 Use current_loops instead of cfg_loops. Pass flags to
3252 loop_optimizer_init.
3253 * cfgloopmanip.c (fix_loop_structure): Update only available
3254 information.
3255 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3256 loop_optimizer_init.
3257 * modulo-sched.c (build_loops_structure): Removed.
3258 (sms_schedule): Use loop_optimizer_init.
3259 * loop-init.c (loop_optimizer_init): Use flags to determine
3260 which properties of loops to prepare.
3261 (rtl_loop_init): Pass flags to loop_optimizer_init.
3262 * tree-ssa-sink.c (execute_sink_code): Ditto.
3263 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3264 * tree-ssa-pre.c (init_pre): Ditto.
3265 * cfgloop.h (LOOPS_NORMAL): New.
3266 (loop_optimizer_init): Declaration changed.
3268 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3270 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3271 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3272 pa/t-pa.
3273 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3274 pa/t-pa.
3275 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3276 pa/x-ada.
3277 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3278 * pa/t-pa64: Delete quadlib.c rule.
3279 * pa/x-ada: Revert last change.
3280 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3282 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3284 PR rtl-optimization/26087
3285 * rtlanal.c (canonicalize_condition): Do not cross basic block
3286 boundaries.
3288 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3290 PR debug/24444
3291 * config/ia64/ia64.c: Include debug.h.
3292 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3293 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3294 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3295 (process_epilogue, process_set, process_for_unwind_directive):
3296 Output unwind info only if requested. Add CFA info if requested.
3297 Add new arguments as needed. Adjust callers.
3298 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3299 incorrect default.
3300 (DWARF2_FRAME_INFO): Define to zero.
3301 * config/ia64/unwind-ia64.c: Remove code that compensated for
3302 the CFA offset error fixed above.
3303 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3304 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3305 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3306 -funwind-tables and -fexceptions to enable frame info.
3307 (dwarf2out_frame_init): Define initial CFA even if
3308 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3309 DWARF2_UNWIND_INFO is nonzero, not just defined.
3310 (dwarf2out_frame_finish): Output non-EH call frame info only
3311 if DWARF2_FRAME_INFO is nonzero.
3312 (convert_cfa_to_loc_list,
3313 compute_frame_pointer_to_cfa_displacement): Define even if
3314 unwind info is not supported.
3315 (gen_subprogram_die): Use the above unconditionally. Remove
3316 legacy alternate code.
3317 * toplev.c (compile_file): Compile in call to
3318 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3319 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3321 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3322 Jakub Jelinek <jakub@redhat.com>
3324 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3325 IBM extended float format long double as "g" on powerpc*-linux.
3327 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3329 PR target/25926
3330 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3331 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3333 2006-02-03 Jason Merrill <jason@redhat.com>
3335 PR c++/25979
3336 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3338 PR middle-end/25977
3339 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3340 on the return slot if it's an NRV.
3342 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3344 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3345 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3346 rewrite_use): Do not handle USE_OUTER.
3347 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3348 add_iv_outer_candidates, may_replace_final_value,
3349 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3350 (find_interesting_uses_op): Functionality of
3351 find_interesting_uses_outer_or_nonlin moved here.
3352 (find_interesting_uses_outside): Use find_interesting_uses_op.
3354 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3356 PR target/25960
3357 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3359 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3360 Ulrich Weigand <uweigand@de.ibm.com>
3362 PR target/25864
3363 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3364 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3365 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3366 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3367 and dxr fields.
3368 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3369 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3370 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3371 Define secondary reloads for TFmode moves.
3372 (constant_modes): Add TFmode.
3373 (NR_C_MODES): Set to 8.
3374 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3375 builtin define.
3376 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3377 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3378 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3379 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3380 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3381 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3382 (FPR mode macro): Add TFmode.
3383 (DSF mode macro): New.
3384 (<de>, <dee> mode attributes): Removed.
3385 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3386 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3387 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3388 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3389 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3390 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3391 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3392 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3393 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3394 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3395 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3396 "*negabs<mode>2", "sqrt<mode>2"):
3397 Changed <de> to <xde>. R constraint replaced by <Rf>.
3398 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3399 <Rf>.
3400 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3401 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3402 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3403 splitters.
3404 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3405 "extenddftf2", "extendsftf2"): New expanders.
3406 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3407 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3408 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3409 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3410 New options.
3411 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3412 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3413 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3414 __floatditf): Add a GCC_4.1.0 symbol version tag.
3415 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3416 the new options.
3418 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3420 PR target/25377
3421 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3422 Use targetm.binds_local_p instead of TREE_PUBLIC.
3424 2006-02-02 Roger Sayle <roger@eyesopen.com>
3426 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3427 on INTEGER_TYPEs to indicate that it denotes a character type.
3428 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3429 signed_char_type_node, unsigned_char_type_node and char_type_node.
3430 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3431 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3432 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3434 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3435 Daniel Berlin <dberlin@dberlin.org>
3437 * tree-tailcall.c (arg_needs_copy_p): New function.
3438 (eliminate_tail_call): Use arg_needs_copy_p.
3439 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3440 (add_virtual_phis): New function.
3442 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3444 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3445 #ignore instead of #scratch for %g7 .register directive.
3447 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3449 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3450 object files.
3452 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3454 * flow.c (calculate_global_regs_live): Assert that there aren't any
3455 EDGE_FAKE edges.
3457 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3459 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3460 what its name says.
3461 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3462 bsi_after_labels iterator.
3463 * tree-if-conv.c (find_phi_replacement_condition,
3464 replace_phi_with_cond_modify_expr): Likewise.
3465 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3466 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3468 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3470 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3472 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3474 PR 25990
3475 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3476 array after growing it.
3478 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3480 PR middle-end/24901
3481 * fold-const.c (fold_checksum_tree): Change type of buf.
3483 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3485 * reload.c (push_secondary_reload): Initialize t_icode.
3487 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3489 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3490 -msoft-float -mlong-double-128 only issue a warning, but don't
3491 swich to DFmode long double.
3493 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3495 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3496 has a constant equivalent, iterate over equivalents for arg0,
3497 calling simplify_relational_operation and if there's a result
3498 cheaper than X, apply fold_rtx and return the result.
3500 2006-02-01 Jan Hubicka <jh@suse.cz>
3502 * opts.c (no_unit_at_a_time_default): New global variable.
3503 (decode_options): Use it.
3504 * opts.h (no_unit_at_a_time_default): Declare.
3506 2006-02-01 Paul Brook <paul@codesourcery.com>
3508 * function.c (assign_parm_setup_reg): Use function argument promotion
3509 rules.
3510 * expr.c (expand_expr_real_1): Use function argument promotion rules
3511 for PARM_DECLs.
3513 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3515 * gcc.c (process_command): Change j to 'unsigned int'.
3517 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3519 PR middle-end/26001
3520 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3521 Use the corrected index for the character
3522 out of the string constant.
3524 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3526 * mode-switching.c (optimize_mode_switching): Fix size
3527 allocated for bb_info[n_entities].
3529 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3531 * gcc.c (main): Correct type that is allocated for
3532 explicit_link_files.
3534 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3536 * config/s390/s390.c (init_alignment_context): Set
3537 ALIAS_SET_MEMORY_BARRIER on the MEM.
3538 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3540 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3542 PR middle-end/25933
3543 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3544 dom_bbs pointer.
3545 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3546 call to tpa_init.
3548 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3550 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3551 * regrename.c: Ditto.
3552 * tree-ssa-loop-im.c: Ditto.
3553 * tree-dump.c: Ditto.
3554 * tree-complex.c: Ditto.
3555 * genrecog.c: Ditto.
3556 * tree-ssa-threadupdate.c: Ditto.
3557 * tracer.c: Ditto.
3558 * java/class.c: Ditto.
3559 * java/jcf-parse.c: Ditto.
3560 * java/resource.c: Ditto.
3561 * java/except.c: Ditto.
3562 * java/jvspec.c: Ditto.
3563 * java/jcf-write.c: Ditto.
3564 * java/jcf-path.c: Ditto.
3565 * java/gjavah.c: Ditto.
3566 * java/zextract.c: Ditto.
3567 * java/jcf-io.c: Ditto.
3568 * java/jcf.h: Ditto.
3569 * java/buffer.c: Ditto.
3570 * java/lang.c: Ditto.
3571 * java/parse-scan.y: Ditto.
3572 * java/lex.c: Ditto.
3573 * java/lex.h: Ditto.
3574 * cfgloopmanip.c: Ditto.
3575 * postreload-gcse.c: Ditto.
3576 * tree-ssa-loop-manip.c: Ditto.
3577 * postreload.c: Ditto.
3578 * tree-ssa-loop-ch.c: Ditto.
3579 * loop.c: Ditto.
3580 * ipa-cp.c: Ditto.
3581 * cppspec.c: Ditto.
3582 * diagnostic.c: Ditto.
3583 * final.c: Ditto.
3584 * genoutput.c: Ditto.
3585 * gcc.c: Ditto.
3586 * cfghooks.c: Ditto.
3587 * cfgloopanal.c: Ditto.
3588 * objc/objc-act.c: Ditto.
3589 * gcov.c: Ditto.
3590 * genextract.c: Ditto.
3591 * genautomata.c: Ditto.
3592 * pretty-print.c: Ditto.
3593 * genemit.c: Ditto.
3594 * cgraphunit.c: Ditto.
3595 * flow.c: Ditto.
3596 * df-scan.c: Ditto.
3597 * haifa-sched.c: Ditto.
3598 * dominance.c: Ditto.
3599 * dbxout.c: Ditto.
3600 * tree-ssa-loop-ivopts.c: Ditto.
3601 * df-core.c: Ditto.
3602 * mode-switching.c: Ditto.
3603 * modulo-sched.c: Ditto.
3604 * graph.c: Ditto.
3605 * ipa-pure-const.c: Ditto.
3606 * cse.c: Ditto.
3607 * fix-header.c: Ditto.
3608 * web.c: Ditto.
3609 * tree-stdarg.c: Ditto.
3610 * ipa-utils.c: Ditto.
3611 * loop-init.c: Ditto.
3612 * ipa-inline.c: Ditto.
3613 * cfganal.c: Ditto.
3614 * global.c: Ditto.
3615 * alloc-pool.c: Ditto.
3616 * dwarf2out.c: Ditto.
3617 * opts.c: Ditto.
3618 * genattrtab.c: Ditto.
3619 * tree-ssa-loop-ivcanon.c: Ditto.
3620 * predict.c: Ditto.
3621 * timevar.c: Ditto.
3622 * lcm.c: Ditto.
3623 * fortran/gfortranspec.c: Ditto.
3624 * regmove.c: Ditto.
3625 * local-alloc.c: Ditto.
3626 * langhooks.c: Ditto.
3627 * function.c: Ditto.
3628 * tree-vectorizer.c: Ditto.
3629 * gcse.c: Ditto.
3630 * ipa-type-escape.c: Ditto.
3631 * alias.c: Ditto.
3632 * tree-if-conv.c: Ditto.
3633 * profile.c: Ditto.
3634 * ipa.c: Ditto.
3635 * tree-data-ref.c: Ditto.
3636 * loop-unroll.c: Ditto.
3637 * treelang/treetree.c: Ditto.
3638 * calls.c: Ditto.
3639 * bt-load.c: Ditto.
3640 * ggc-common.c: Ditto.
3641 * except.c: Ditto.
3642 * coverage.c: Ditto.
3643 * cselib.c: Ditto.
3644 * tree-cfgcleanup.c: Ditto.
3645 * tree-ssa-pre.c: Ditto.
3646 * cfgcleanup.c: Ditto.
3647 * loop-invariant.c: Ditto.
3648 * loop-iv.c: Ditto.
3649 * ipa-prop.c: Ditto.
3650 * print-tree.c: Ditto.
3651 * conflict.c: Ditto.
3652 * ggc-page.c: Ditto.
3653 * sched-deps.c: Ditto.
3654 * regclass.c: Ditto.
3655 * tree-object-size.c: Ditto.
3656 * combine.c: Ditto.
3657 * bb-reorder.c: Ditto.
3658 * resource.c: Ditto.
3659 * var-tracking.c: Ditto.
3660 * cfgloop.c: Ditto.
3661 * df-problems.c: Ditto.
3662 * reg-stack.c: Ditto.
3663 * tlink.c: Ditto.
3664 * gccspec.c: Ditto.
3665 * sched-rgn.c: Ditto.
3666 * tree-ssa-structalias.c: Ditto.
3667 * tree-ssa-reassoc.c: Ditto.
3668 * config/darwin-c.c: Ditto.
3669 * config/darwin.c: Ditto.
3670 * config/arm/arm.c: Ditto.
3671 * cfgrtl.c: Ditto.
3672 * collect2.c: Ditto.
3673 * reload1.c: Ditto.
3675 2006-01-31 Nicolas Pitre <nico@cam.org>
3677 * arm.md (smaxsi3): Make aware of smax_m1.
3678 (smax_m1): New.
3680 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3682 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3684 2006-01-31 Richard Guenther <rguenther@suse.de>
3686 * doc/invoke.texi (-msselibm): Document.
3687 * target.h (expand_library_builtin): New target hook.
3688 * builtins.c (expand_builtin): Use expand_library_builtin.
3689 (default_expand_library_builtin): New function.
3690 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3691 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3692 (link_gcc_math_spec): Declare.
3693 (static_specs): Add link_gcc_math_spec.
3694 * expr.h (default_expand_library_builtin): Declare.
3695 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3696 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3697 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3698 * config/i386/i386.opt (msselibm): New target option.
3699 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3700 (ix86_init_sse_abi_builtins): New function.
3701 (ix86_expand_library_builtin): Likewise.
3702 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3703 (override_options): Handle error conditions wrt -msselibm.
3704 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3705 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3706 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3707 builtins.
3709 2006-01-31 Richard Guenther <rguenther@suse.de>
3710 Paolo Bonzini <bonzini@gnu.org>
3712 * doc/install.texi (--disable-libgcc-math): Document.
3714 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3716 * expr.h (expand_normal): new inline function.
3717 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3718 * dojump.c: use it.
3719 * dwarf2out.c: use it.
3720 * expr.c: use it.
3721 * calls.c: use it.
3722 * expmed.c: use it.
3723 * except.c: use it.
3724 * config/sparc/sparc.c: use it.
3725 * config/i386/i386.c: use it.
3726 * config/rs6000/rs6000.c: use it.
3727 * config/arm/arm.c: use it.
3728 * config/mips/mips.c: use it.
3729 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3731 2006-01-30 Roger Sayle <roger@eyesopen.com>
3733 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3734 argv to the appropriate type.
3736 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3738 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3739 unreachable code.
3741 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3743 PR target/26018
3744 * config/s390/s390.c (struct machine_function): New flag
3745 decomposed_literal_pool_addresses_ok_p.
3746 (s390_reorg): Set it before final stage of literal pool transforms.
3747 (s390_decompose_address): Only accept displacements of the form
3748 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3750 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3752 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3753 the comparison routine return.
3755 2006-01-30 Michael Matz <matz@suse.de>
3757 * global.c (find_reg): Only evict for global regs.
3758 Take n_refs into account and dump more info.
3760 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3762 PR target/14798:
3763 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3764 (pragma_trap, pragma_nosave_low_regs): Likewise.
3765 (current_function_anonymous_args): Likewise.
3766 (sh_deferred_function_attributes): New variable.
3767 (sh_deferred_function_attributes_tail): Likewise.
3768 (print_operand): For '@', look up trap_exit attribute.
3769 (calc_live_regs): Look up trapa_handler attribute. For trapa
3770 handlers, save/restore fpscr, but don't do any other
3771 interrupt-specific saves.
3772 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3773 Fix check for partially saved registers to check for SHmedia.
3774 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3775 (sh_output_function_epilogue): Don't clear any of the removed
3776 variables.
3777 (sh_insert_attributes): Don't check pragma_interrupt.
3778 Insert deferred attributes. Check that interrupt attribute is
3779 present for other attributes that require its presence.
3780 (sh_attribute_table): Add new attributes trapa_handler and
3781 nosave_low_regs.
3782 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3783 Don't check for pragma_interrupt. Don't store argument.
3784 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3785 (sh_deferred_function_attributes): Declare.
3786 (sh_deferred_function_attributes_tail): Likewise.
3787 * sh.md (sp_switch_1): Add operand. Change generator caller.
3788 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3789 (*return_i): Don't use when trap_exit attribute is in effect.
3790 (*return_trapa): New insn pattern.
3791 * sh-c.c: New file.
3792 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3793 setting c_target_objs and cxx_target_objs.
3794 * t-sh: Add rule for sh-c.o.
3796 2006-01-30 Richard Guenther <rguenther@suse.de>
3798 PR c++/23372
3799 * gimplify.c (gimplify_target_expr): Handle easy cases
3800 without creating a temporary.
3802 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3804 * vec.h (safe_grow): Remove duplicated line.
3806 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3808 PR 25874
3809 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3810 (expand_omp): ... here.
3811 (expand_omp_parallel): Only remove barriers for combined
3812 parallel+workshare constructs.
3814 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3816 Revert
3818 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3819 * tree.c (build_qualified_type): Chain the new type to the original
3820 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3821 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3822 (build_pointer_type_for_mode): Only return unqualified types.
3823 (build_reference_type_for_mode): Likewise.
3825 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3827 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3828 * Makefile.in (CXX_COMPAT_WARN): Define.
3829 * configure: Regenerate.
3831 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3833 PR tree-opt/25911
3834 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3835 to an if check.
3837 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3839 * toplev.c: Fix thinko.
3841 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3842 Marcin Dalecki <martin@dalecki.de>
3844 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3845 (push_srcloc): Use XNEW.
3846 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3848 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3850 * df-core.c (df_set_blocks): Deleted all variable.
3852 2006-01-28 Ian Lance Taylor <ian@airs.com>
3854 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3855 cgraph_output_pending_asms.
3857 2006-01-28 Zack Weinberg <zackw@panix.com>
3859 * c.opt: Add -W(no-)overlength-strings.
3860 * doc/invoke.texi: Document it.
3861 * c-opts.c (c_common_handle_option): -pedantic implies
3862 -Woverlength-strings, if not explicitly disabled already.
3863 (c_common_post_options): -Woverlength-strings defaults to off, and
3864 is always off for C++.
3865 * c-common.c (fix_string_type): Issue warning about strings longer
3866 than is portable only if warn_overlength_strings. Rearrange code
3867 a little for clarity.
3868 * configure.in: Check for -Wno-overlength-strings as well before
3869 enabling -pedantic in stage 1.
3870 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3871 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3873 * genconditions.c (write_header, write_one_condition)
3874 (write_conditions, write_writer): Consolidate very long strings
3875 that were broken up to fit in C89 portable limit. Don't use
3876 printf when fputs will do.
3878 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3880 * combine.c (simplify_comparison <AND>): Check
3881 TRULY_NOOP_TRUNCATION before start using a subreg.
3883 * config/mips/mips.md (*branch_zero<mode>,
3884 *branch_zero<mode>_inverted, *branch_equality<mode>,
3885 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3886 Remove mode check from comparisons.
3888 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3890 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3892 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3894 * expmed.c (const_mult_add_overflow_p): Remove.
3895 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3897 * recog.c (validate_replace_rtx_subexp): Remove.
3898 * recog.h: Remove the prototype for
3899 validate_replace_rtx_subexp.
3901 * integrate.h: Remove the prototype for
3902 copy_decl_for_inlining.
3903 * rtl.h: Remove the prototype for mark_constant_function.
3904 * tree-vectorizer.h: Remove the prototype for
3905 vect_strip_conversion.
3907 * modulo-sched.c (create_partial_schedule,
3908 free_partial_schedule, reset_partial_schedule): Make them
3909 static.
3911 * hooks.c (hook_bool_rtx_int_false): Remove.
3912 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3914 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3916 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3917 and -mlong-double-128 are incompatible.
3918 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3919 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3920 (TARGET_LIBGCC2_CFLAGS): Define.
3921 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3922 (TARGET_LIBGCC2_CFLAGS): Same.
3923 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3925 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3927 PR c/19606.
3928 * c-typeck.c (build_binary_op): Perform implicit casts of
3929 operands before shortening them.
3931 * cfgloopmanip.c (split_loop_bb): Remove.
3932 * cfgloop.h: Remove the prototype for split_loop_bb.
3934 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3935 * cfgloop.h: Remove the prototype for
3936 flow_loop_outside_edge_p.
3938 * emit-rtl.c (init_virtual_regs): Make it static.
3939 * function.h: Remove the prototype for init_virtual_regs.
3941 * recog.c (peephole2_optimize): Make it static.
3942 * recog.h: Remove the prototype for peephole2_optimize.
3944 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3946 * df-scan.c (df_record_entry_block_defs): Check if
3947 INCOMING_RETURN_ADDR_RTX is defined.
3949 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3950 Kenneth Zadeck <zadeck@naturalbridge.com>
3952 PR rtl-optimization/24762
3953 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3954 * targhooks.c (hook_void_bitmap): New hook prototype.
3955 * targhoohs.h (hook_void_bitmap): Ditto.
3956 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3957 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3958 * target.h (live_on_entry): New function pointer.
3959 * df-scan.c (df_all_hard_regs): Removed.
3960 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3961 (df_scan_free_internal): Added df->entry_block_defs.
3962 (df_scan_alloc): Ditto.
3963 (df_scan_dump): Ditto.
3964 (df_uses_record): Plumbed flag field properly thru calls.
3965 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3966 This part fixes PR24762.
3967 (df_bb_refs_record): Added code to make the frame and arg
3968 pointers live in EH blocks.
3969 (df_refs_record): Added call to df_record_entry_block_defs.
3970 (df_record_entry_block_defs): New function.
3971 * df-core.c: Added comments to describe new artifical defs.
3972 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3973 (entry_block_defs): New field in struct df.
3974 (df_all_hard_regs): Deleted.
3975 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3976 * df-problems.c (df_ru_bb_local_compute_process_def):
3977 Added code to handle artifical defs in the entry to a function.
3978 (df_ru_bb_local_compute): Ditto.
3979 (df_rd_bb_local_compute_process_def): Ditto.
3980 (df_rd_bb_local_compute): Ditto.
3981 (df_lr_bb_local_compute): Ditto.
3982 (df_ur_bb_local_compute): Ditto.
3983 (df_urec_bb_local_compute): Ditto.
3984 (df_chain_create_bb): Ditto.
3985 (df_ur_local_finalize): Removed entry.
3986 (df_urec_init): Ditto.
3987 (df_urec_local_finalize): Ditto.
3988 (df_ri_bb_compute): Added detection of last use of pseudos.
3989 * Makefile.in (df-scan.o): Updated dependencies.
3990 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3991 * config/mips/mips.c (mips_set_live_on_entry): Added.
3992 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3993 for target hook.
3994 * dce.c (marked_insn_p): Added code to handle artifical defs.
3996 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3998 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3999 intrinsic.
4000 (_mm_cvtsi128_si64): Likewise.
4001 (_mm_cvtsd_si64): Likewise.
4002 (_mm_cvttsd_si64): Likewise.
4003 (_mm_cvtsi64_sd): Likewise.
4004 (_mm_cvtsi64_si128): Likewise.
4005 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4006 (_mm_cvtsi64_m64): Likewise.
4007 (_m_to_int64): Likewise.
4008 (_mm_cvtm64_si64): Likewise.
4009 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4010 (_mm_cvttss_si64): Likewise.
4011 (_mm_cvtsi64_ss): Likewise.
4012 (_mm_cvtss_f32): Likewise.
4014 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4016 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4017 for pragma redefine_extname.
4019 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4021 PR target/25864
4022 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4023 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4024 -mno-minimal-toc to previous content.
4025 (bispecs): Remove goal.
4026 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4027 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4028 compatibility aliases on powerpc-*-*gnu*.
4029 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4030 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4031 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4032 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4033 (ldblspecs): New goal.
4034 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4035 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4036 _df_to_tf.
4037 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4038 L_sf_to_tf or L_df_to_tf is defined.
4040 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4041 Alan Modra <amodra@bigpond.net.au>
4043 PR target/25864
4044 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4045 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4046 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4047 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4048 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4049 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4050 (rs6000_override_options): Initialize rs6000_ieeequad.
4051 Initialize TFmode format to ibm_extended_format if not
4052 TARGET_IEEEQUAD.
4053 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4054 ieeelongdouble.
4055 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4056 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4057 (function_arg_advance): IBM long double passed in two FPRs, not
4058 split.
4059 (function_arg): IBM long double passed in FPRs.
4060 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4061 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4062 Only multireg GPR aligned.
4063 (rs6000_init_libfuncs): Enable IBM long double functions if not
4064 IEEEQUAD.
4065 (rs6000_generate_compare): Use IBM long double compare if not
4066 TARGET_IEEEQUAD.
4067 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4068 (TARGET_IEEEQUAD): Define.
4069 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4070 not TARGET_IEEEQUAD.
4071 * config/rs6000/rs6000.md: Enable TFmode patterns if
4072 !TARGET_IEEEQUAD.
4073 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4074 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4075 and -mlong-double-128 are incompatible.
4076 * doc/invoke.texi (-mabi): Collect options together. Add
4077 ibmlongdouble and ieeelongdouble.
4079 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4081 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4082 opaque type.
4083 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4084 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4085 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4086 * rtl.h (rtunion_def): Remove rt_ptr.
4087 (X0PTR): Delete.
4088 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4089 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4090 * config/i386/winnt.c (i386_pe_mark_dllexport)
4091 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4093 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4095 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4097 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4099 PR other/24829
4100 PR target/24831
4101 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4102 pthread_key_delete. From John David Anglin. gthrw-ify
4103 pthread_getunique_np only if it it's not a macro. Delete
4104 UNUSED macro.
4105 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4106 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4107 __gthread_objc_condition_signal, __gthread_key_delete): Add
4108 "__attribute__ ((__unused__))" to unused arguments.
4109 (__gthread_recursive_mutex_init_function): Add missing return.
4110 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4111 gthr-posix95.h: Use macro-based approach for name redirection
4112 on targets missing weakref.
4114 2006-01-26 Zack Weinberg <zackw@panix.com>
4116 * genconditions.c (write_header): In generated code, #ifdef out
4117 all includes and fake declarations, except includes of bconfig.h
4118 and system.h, unless GCC_VERSION >= 3001. Do not include
4119 gensupport.h in any case.
4120 (write_conditions): Generate a definition of struct c_test. Add
4121 a comment to the generated #endif.
4122 (write_one_condition): Escape backslashes in string too.
4123 (write_writer): Generated code must escape backslashes and quote
4124 marks (but not newlines) in the strings it writes.
4125 * Makefile.in (build/gencondmd.o): Update dependencies.
4127 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4129 PR target/25961
4130 * Makefile.in (insn-automata.o): Add header file dependencies.
4131 * genautomata.c: Add includes.
4133 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4135 PR target/25961
4136 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4138 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4140 * configure.ac: Expect target tools paths to be passed from the toplevel
4141 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4142 AS_SET_VAR_IF.
4143 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4145 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4147 PR c/25892
4148 * c.opt (Wpointer-sign): Init to -1.
4149 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4150 OPT_pedantic, to 0 otherwise.
4151 * doc/invoke.texi: Update.
4153 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4155 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4156 constants provided by 80387 instructions in the destination mode.
4158 2006-01-26 Richard Guenther <rguenther@suse.de>
4159 Andrew Pinski <pinskia@physics.uc.edu>
4161 PR tree-opt/21470
4162 partial PR tree-opt/17064
4163 * tree-ssa-structalias.c (intra_create_variable_infos):
4164 Create heap variables for incoming parameters if
4165 flag_argument_noalias > 1.
4166 (find_what_p_points_to): Look through default defs of
4167 parameter decls.
4169 2006-01-26 Jeff Law <law@redhat.com>
4171 PR ada/25900
4172 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4173 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4174 within the VR_RANGE, use the VR_RANGE as the result, not the
4175 VR_ANTI_RANGE.
4176 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4177 bounds for the type.
4179 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4181 * tree-ssa-alias.c (maybe_create_global_var): Change
4182 subvar walking to an assertion that we don't have subvar'd variables.
4184 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4186 PR C/25861
4187 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4188 Use a new variable, inner. PARM_DECLs are always non-weak.
4190 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4192 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4193 --disable-checking.
4195 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4197 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4199 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4201 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4202 (smax_insn, smin_insn, smax_0, smin_0): New.
4204 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4206 PR target/25947
4207 * config/cris/cris.c (cris_order_for_addsi3): New function.
4208 * config/cris/cris-protos.h: Prototype it.
4209 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4210 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4211 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4212 (split for "op.S1 [rx=rx+i],ry (swapped)")
4213 (split for "op(s|u).S1 [rx=rx+i],ry")
4214 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4215 Apply cris_order_for_addsi3 when generating addsi3 insns.
4217 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4219 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4220 (TREE_BLOCK): Add call to EXPR_CHECK.
4222 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4224 PR 25886
4225 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4226 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4227 (dump_omp_clauses): ... here.
4228 (dump_generic_node): Handle OMP_CLAUSE.
4229 * tree.c (omp_clause_num_ops): New.
4230 (omp_clause_code_name): New.
4231 (tree_code_size): Handle OMP_CLAUSE.
4232 (tree_size): Likewise.
4233 (make_node): Document handling of OMP_CLAUSE.
4234 (tree_node_structure): Handle OMP_CLAUSE.
4235 (omp_clause_check_failed): New.
4236 (omp_clause_range_check_failed): New.
4237 (omp_clause_operand_check_failed): New.
4238 (build_omp_clause): New.
4239 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4240 * tree.h (enum omp_clause_code): Declare.
4241 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4242 (OMP_CLAUSE_RANGE_CHECK): Define.
4243 (OMP_CLAUSE_ELT_CHECK): Define.
4244 (omp_clause_check_failed): Declare.
4245 (omp_clause_operand_check_failed): Declare.
4246 (omp_clause_range_check_failed): Declare.
4247 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4248 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4249 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4250 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4251 (OMP_CLAUSE_IF_EXPR): Likewise.
4252 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4253 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4254 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4255 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4256 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4257 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4258 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4259 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4260 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4261 (OMP_CLAUSE_CODE): Define.
4262 (OMP_CLAUSE_SET_CODE): Define.
4263 (OMP_CLAUSE_CODE): Define.
4264 (OMP_CLAUSE_OPERAND): Define.
4265 (struct tree_omp_clause): Declare.
4266 (union tree_node): Add field 'omp_clause'.
4267 * treestruct.def (TS_OMP_CLAUSE): Define.
4268 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4269 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4270 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4271 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4272 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4273 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4274 (OMP_CLAUSE): Define.
4275 * print-tree.c (print_node): Handle OMP_CLAUSE.
4276 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4277 * c-typeck.c: Likewise.
4278 * gimplify.c: Likewise.
4279 * c-omp.c: Likewise.
4280 * tree-nested.c: Likewise.
4281 * tree-inline.c: Likewise.
4282 * c-parser.c: Likewise.
4283 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4284 clauses.
4286 2006-01-25 Roger Sayle <roger@eyesopen.com>
4288 PR rtl-optimization/25703
4289 * combine.c (try_combine): Handle zero_extract and strict_low_part
4290 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4292 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4294 * global.c: Fix comment typos.
4296 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4298 PR target/25758
4299 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4300 Use output_addr_const instead of assemble_name.
4302 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4304 * Makefile.in (sched-vis.o): Update dependencies.
4305 * haifa-sched.c (sched_finish): Clear current_sched_info.
4306 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4307 (dump_flow_info): Call it.
4308 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4309 a slim RTL dump.
4310 * basic-block.h (dump_bb_info): Declare.
4311 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4312 option, and apply options only for dump files whose TDF_RTL,
4313 TDF_TREE, or TDF_IPA bits match.
4314 * rtl.h: Declare new functions exported from sched-vis.c.
4315 * sched-vis.c: Enable also if scheduling is not used.
4316 (print_value): Print the mode of registers if not inside scheduling.
4317 (print_insn): Make it work outside the scheduler. Beautify the output
4318 a bit.
4319 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4321 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4323 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4324 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4325 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4326 depending on the value of CONSTANT_POOL_ADDRESS_P.
4327 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4328 SYMBOL_REF_DECL.
4329 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4330 rather than SYMBOL_REF_DECL.
4331 (rtx_constant_pool): Remove const_rtx_sym_htab.
4332 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4333 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4334 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4335 Remove handling of const_rtx_sym_htab.
4336 (find_pool_constant): Delete.
4337 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4338 rather than find_pool_constant.
4339 (get_pool_constant_for_function): Delete.
4340 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4341 find_pool_constant.
4342 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4343 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4344 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4345 (SYMBOL_REF_CONSTANT): New macro.
4346 (get_pool_constant_for_function): Delete.
4347 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4348 rather than SYMBOL_REF_DECL.
4349 (i386_pe_mark_dllimport): Likewise.
4350 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4351 rather than SYMBOL_REF_DECL.
4352 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4353 (machopic_indirect_call_target): Likewise.
4355 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4357 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4359 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4361 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4363 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4365 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4367 2006-01-24 David Daney <ddaney@avtrex.com>
4369 PR java/25816
4370 * configure.ac (enable_tls): New enable option.
4371 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4372 * configure: Regenerate.
4373 * doc/install.texi (--enable-tls): Document new option.
4374 (--disable-tls): Ditto.
4376 2006-01-24 Richard Henderson <rth@redehat.com>
4378 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4379 * alias.c (true_dependence): Respect it.
4380 (canon_true_dependence, write_dependence_p): Likewise.
4381 * builtins.c (get_builtin_sync_mem): Set it.
4383 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4385 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4386 efficient way.
4388 2006-01-24 DJ Delorie <dj@redhat.com>
4390 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4391 for storing constants in single-bit bitfields.
4393 2006-01-25 Ben Elliston <bje@au.ibm.com>
4395 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4397 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4399 PR tree-opt/25860
4400 * tree-ssa-pre.c (phi_translate): Return NULL
4401 for AGGREGATE_TYPE's.
4403 2006-01-24 Zack Weinberg <zackw@panix.com>
4405 * genautomata.c (process_state_for_insn_equiv_partition):
4406 Use xcalloc for insn_arcs_array.
4407 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4408 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4410 2006-01-24 Richard Henderson <rth@redhat.com>
4412 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4413 update all callers.
4415 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4417 PR rtl-optimization/25890
4418 PR rtl-optimization/25905
4419 * combine.c (expand_compound_operation, expand_field_assignment):
4420 Fail if the bitfield's final position is out of bounds.
4422 2006-01-24 Ian Lance Taylor <ian@airs.com>
4424 PR middle-end/25930
4425 * cgraphunit.c (cgraph_output_in_order): Don't clear
4426 cgraph_asm_nodes until after asm strings have been output.
4428 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4430 * fix-header.c (read_scan_file): Add new parameter imultilib when
4431 calling register_include_chains.
4433 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4435 * omp-low.c: Update documentation.
4437 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4438 Daniel Berlin <dberlin@dberlin.org>
4440 PR tree-opt/25315
4441 PR tree-opt/25857
4442 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4443 return from the function.
4445 2006-01-22 Zack Weinberg <zackw@panix.com>
4447 * rtl.def (match_code): Add second argument.
4448 * genpreds.c (write_extract_subexp): New function.
4449 (write_match_code): Add path argument. Use write_extract_subexp.
4450 (write_predicate_expr): Pass path to write_match_code.
4451 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4452 not perform a mode test.
4453 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4454 a subexpression does not constrain the top-level code set.
4455 * read-rtl.c (read_rtx_variadic): New function.
4456 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4457 * doc/md.texi: Document new notation.
4458 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4459 (cmpsi_operand): ... here, using new notation.
4461 2006-01-22 Zack Weinberg <zackw@panix.com>
4463 * varray.c: Remove GENERATOR_FILE #ifdefs.
4465 2006-01-22 Zack Weinberg <zackw@panix.com>
4467 * genautomata.c (output_reserved_units_table): Emit nothing if
4468 description->query_units_num is zero. Remove extra blank line.
4469 (output_cpu_unit_reservation_p): Short circuit
4470 if description->query_units_num is zero.
4472 2006-01-22 Zack Weinberg <zackw@panix.com>
4474 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4475 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4476 nor any of the random handful of variables that used to be necessary
4477 when this program was linked with rtlanal.o. Prune set of forward
4478 function declarations.
4479 (struct attr_desc): Remove static_p field.
4480 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4481 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4482 (attr_string): Do not read the character one past the length of
4483 the string.
4484 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4485 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4486 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4487 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4488 (make_automaton_attrs): New.
4489 (main): Do not call into genautomata. Call local gen_bypass
4490 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4491 Remove special case for insn_alts.
4492 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4493 varray.h (leftover from previous change). Prune set of forward
4494 function declarations. Remove state_alts fields from all
4495 structures. Remove state_alts_table from struct automaton.
4496 Make everything except main static. Do not maintain num_dfa_decls.
4497 Do not maintain state_alts fields of various structures.
4498 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4499 (add_arc): Remove state_alts argument. All callers updated.
4500 (output_reserved_units_table): Emit #ifdef here...
4501 (output_tables): ...not here. Don't generate state_alts tables.
4502 (expand_automata): Don't generate attributes.
4503 (write_automata): Don't generate state_alts functions.
4504 (main): New function.
4505 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4506 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4507 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4508 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4509 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4510 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4511 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4512 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4513 Delete.
4514 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4515 * genattrtab.h: Delete file.
4516 * Makefile.in (OBJS-common): Add insn-automata.o.
4517 (insn-automata.o): New rule.
4518 (simple_generated_c): Add insn-automata.c.
4519 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4520 (genprogmd): Add automata.
4521 (build/genattrtab): Needs no extra objects nor libraries.
4522 (build/genautomata): Needs build/vec.o and -lm.
4524 2006-01-22 Zack Weinberg <zackw@panix.com>
4526 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4527 (output_dfa_max_issue_rate, locked_states_num): Delete.
4528 (struct automaton): Add locked_states field.
4529 (output_dead_lock_vect): Save number of locked states in
4530 automaton->locked_states. If it is zero, don't print anything.
4531 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4532 (output_internal_dead_lock_func): Only test the dead_lock_vect
4533 for automata that have locked states.
4534 (output_statistics): Always print the number of locked states for
4535 each automaton. Calculate total number of locked states here.
4536 (write_automata): Don't call output_dfa_max_issue_rate.
4537 * genattrtab.c: Define length_unit_log as a const variable.
4538 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4539 max_insn_queue_index const.
4540 * final.c (length_unit_log): Declare const.
4541 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4543 2006-01-22 Zack Weinberg <zackw@panix.com>
4545 * genautomata.c: Include vec.h, not varray.h.
4546 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4547 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4548 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4549 VEC_* macros operating on appropriately typed vectors, or to
4550 malloced arrays when the size is known in advance. Const-ify
4551 many char* variables and function arguments. No functional changes.
4552 * Makefile.in (build/varray.o): Delete rule.
4553 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4554 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4556 2006-01-22 Zack Weinberg <zackw@panix.com>
4558 * gensupport.c: Define get_insn_name and record_insn_name here.
4559 (read_md_rtx): Call record_insn_name as appropriate.
4560 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4561 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4562 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4563 record_insn_name.
4564 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4565 (BUILD_VARRAY): Delete.
4566 (genprognormal): Rename genprogmd. Fold in all programs from
4567 genprognoprint; also attrtab.
4568 (build/genattrtab): Just mention genautomata.o and varray.o.
4569 Reorganize a bit, add comments to make the categories clearer.
4571 2006-01-22 Zack Weinberg <zackw@panix.com>
4573 * genconditions.c (condition_table, add_condition): Delete.
4574 (write_conditions): Don't emit n_insn_conditions nor
4575 insn_elision_unavailable. Issue the gcc version #ifdef here,
4576 inside the table, with no #else clause ...
4577 (write_header): ...not here.
4578 (write_writer): New function.
4579 (main): Don't initialize condition_table. Use add_c_test.
4580 Call write_writer.
4581 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4582 files on the command line.
4583 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4584 Return -1 if there is no entry in the table, don't abort.
4585 (add_c_test, traverse_c_tests): New functions.
4586 * gensupport.h (insn_elision_unavailable, insn_conditions)
4587 (n_insn_conditions): Delete declarations.
4588 (add_c_test, traverse_c_tests): Declare.
4589 * read-rtl.c: Include gensupport.h.
4590 (read_conditions): New function.
4591 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4592 (read_rtx_1): If we get EOF when we were looking for an initial
4593 open paren, return 0. Call read_conditions when appropriate.
4594 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4595 dummy-conditions.o. Eliminate references to insn-conditions.o,
4596 or change them to build/gencondmd.o, as appropriate. Remove
4597 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4598 from $(simple_generated_c). For all files remaining in those
4599 two lists, add insn-conditions.md to the generator command line.
4600 Give insn-constants.h/s-constants their own rules. Add rules
4601 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4602 (build/read-rtl.o): Depend on gensupport.h.
4603 (genprognormal): Include preds.
4604 (genprogearly): Rename genprognoprint; only difference is now that
4605 they don't link with $(BUILD_PRINT).
4606 * dummy-conditions.c: Delete.
4608 2006-01-22 Zack Weinberg <zackw@panix.com>
4610 * genextract.c: Don't include insn-config.h. Do include vec.h.
4611 Declare vectors of int, char, and locstr.
4612 (locstr): New typedef.
4613 (struct extraction): Make all array fields into bare pointers.
4614 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4615 (insn_code_number): Delete.
4616 (accum_extract): New struct.
4617 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4618 (gen_insn): Take insn_code_number as an argument. Use an
4619 accum_extract structure instead of loading data directly into
4620 a struct extraction, and having to know how big it might get.
4621 (walk_rtx): Operate entirely on an accum_extract structure.
4622 (print_path): Avoid unnecessary use of printf.
4623 (print_header): New function, split out of main. Distinguish
4624 more carefully between an unrecognizable insn and an insn that
4625 has the code number of a define_expand.
4626 (main): Pass insn_code_number to gen_insn. Call print_header
4627 only after parsing. Avoid unnecessary use of printf.
4628 * Makefile.in (build/vec.o): New rule.
4629 (build/genextract): Depend on build/vec.o.
4630 (build/genextract.o): Don't depend on insn-config.h.
4632 2006-01-22 Zack Weinberg <zackw@panix.com>
4634 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4635 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4636 practical. Eliminate per-generator-program link rules.
4638 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4640 PR middle-end/24437
4641 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4642 with a call expr to ...
4643 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4645 2006-01-23 Richard Guenther <rguenther@suse.de>
4647 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4648 before make_edge with conditional EDGE_TRUE_VALUE.
4650 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4651 Jan Hubicka <jh@suse.cz>
4652 Richard Guenther <rguenther@suse.de>
4654 PR rtl-optimization/25654
4655 * cfgexpand.c (aggregate_contains_union_type): New function.
4656 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4657 for structure variables that contain a union type.
4659 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4661 * gengtype.c (new_structure): Return the structure.
4662 (create_option): Add an extra "next" argument.
4663 (create_field): New function.
4664 (adjust_field_rtx_def): Use create_option and create_field.
4665 Remove a now-unnecessary call to find_structure.
4666 (adjust_field_tree_def): Likewise.
4667 (note_yacc_type): Remove an unnecessary call to find_structure.
4668 * gengtype.h (new_structure): Return the structure.
4669 (create_option): Add an extra argument.
4670 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4671 (option): Adjust calls to create_option.
4673 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4675 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4677 2006-01-22 Paul Brook <paul@codesourcery.com>
4678 Peter Barada <peter@the-baradas.com>
4680 * config/m68k/m68k.md: Add Coldfire FPU support.
4681 Define FP mode macro and associated attributes.
4682 Use it for float mode patterns.
4683 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4684 (LIBCALL_VALUE): Use m68k_libcall_value.
4685 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4686 (m68k_function_value): Ditto.
4687 (emit_move_sequence): Ditto.
4688 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4689 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4690 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4691 (MULTILIB_EXCEPTIONS): Ditto.
4692 * config/m68k/m68k.opt: Add mcfv4e.
4693 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4694 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4695 (m68k_output_function_prologue): Save ColdFire FPU registers.
4696 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4697 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4698 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4699 ColdFire FPU registers.
4700 (m68k_libcall_value, m68k_function_value): New functions.
4701 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4702 (LIBCALL_VALUE): Use m68k_libcall_value.
4703 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4704 (MASK_COLDFIRE): Add MASK_CFV4E.
4705 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4706 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4707 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4708 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4709 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4710 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4711 * doc/invoke.tex: Document -mcfv4e on m68k.
4713 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4715 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4716 URL.
4718 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4720 PR c++/16190
4721 * c-opts.c (c_common_handle_option): Don't include
4722 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4723 * doc/invoke.texi (C++ Dialect Options): Document that
4724 -Wnon-virtual-dtor is no longer included in -Wall.
4726 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4728 * gcov.c (print_version), gcov-dump.c (print_version),
4729 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4730 dates.
4732 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4734 * df-scan.c (problem_SCAN): Added NULL reset function.
4735 (df_scan_reset_blocks): Added code to call reset block function
4736 (df_bb_refs_delete) Fixed comment.
4737 (df_insn_refs_delete): Made tolerant of deleting non existent info
4738 for dataflow problems that need to be reset.
4739 * df-core.c (df_set_blocks): Ditto.
4740 * df.h (struct df_problem): Added reset_fun.
4741 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4742 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4743 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4744 functions to clear out all references to def-use or use-def chains.
4746 2006-01-21 Ben Elliston <bje@au.ibm.com>
4748 * varasm.c (assemble_real): Initialise data array.
4750 2006-01-20 Paul Brook <paul@codesourcery.com>
4752 Merge from csl-arm-branch.
4753 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4754 * config/arm/arm.md (movdi): Force operands[1] to a register
4755 if we have a non-register source.
4756 (*arm_movdi, *movdf_soft_insn): Require that one of the
4757 operands be a register.
4758 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4759 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4761 2006-01-20 DJ Delorie <dj@redhat.com>
4763 * varasm.c (initialize_constant_valid_p): Allow pointers
4764 initialized from integer constants of lesser precision.
4765 (output_constant): Allow non-int-sized pointer modes to be
4766 initialized from integer constants.
4768 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4770 PR libstdc++/25524
4771 * cppdefault.h (struct default_include): Add multilib flag.
4772 * cppdefault.c (cpp_include_defaults): Set it.
4773 * c.opt (-imultilib): New option.
4774 * c-opts.c (imultilib): New.
4775 (c_common_handle_option): Handle -imultilib.
4776 (c_common_post_options): Likewise.
4777 * c-incpath.c (add_standard_paths, register_include_chains):
4778 Likewise.
4779 * c-incpath.h (register_include_chains): Add extra parameter.
4780 * gcc.c (do_spec_1): Generate -imultilib option.
4781 (The Specs Language): Update %I description.
4782 (process_command): Update copyright notice.
4783 * doc/cppopts.texi (-imultilib): Document.
4784 * doc/invoke.texi (-imultilib): Include in option summary.
4785 (%I): Update specs documentation.
4787 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4789 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4791 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4793 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4794 label numbers.
4796 2006-01-20 Richard Guenther <rguenther@suse.de>
4797 Steven Bosscher <stevenb.gcc@gmail.com>
4799 PR rtl-optimization/24626
4800 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4801 EDGE_TRUE_VALUE if in RTL mode.
4803 Revert
4804 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4805 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4807 2006-01-20 Dirk Mueller <dmueller@suse.com>
4809 PR c++/5520
4810 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4811 instead of a special NOP marker.
4812 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4813 NOP marker handling.
4814 * c-common.h (empty_body_warning): Add forward declaration.
4815 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4816 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4818 2006-01-20 Paul Brook <paul@codesourcery.com>
4820 * Makefile.in (lang_checks): Keep going if mkdir fails.
4822 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4824 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4825 be able to clean out basic block when not necessary.
4826 (df_scan_free): Fixed to properly delete information if df is
4827 unused before calling df_finish.
4828 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4829 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4830 or comment typos.
4831 (df_bb_refs_delete): New function.
4832 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4833 * df-core.c (df_set_blocks): Added code to properly clean out
4834 unused blocks if they are not part of the blocks to consider.
4835 Added additional null check.
4836 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4837 be able to clean out basic block when not necessary
4838 * df.h (df_free_bb_function): Ditto.
4839 (df_bb_refs_delete): New function.
4840 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4841 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4842 basic block parameter to be able to clean out basic block when not
4843 necessary.
4844 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4845 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4846 Fixed to properly delete information if df is unused before
4847 calling df_finish.
4849 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4851 PR rtl-optimization/25799
4852 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4853 Corrected confluence operator to remove bits from op2 before oring
4854 with op1 rather than removing bits from op1.
4855 (df_ru_transfer_function): Corrected test on wrong bitmap which
4856 caused infinite loop. Both of these problems were introduced in
4857 the dataflow rewrite.
4859 2006-01-19 DJ Delorie <dj@redhat.com>
4861 * reload1.c (find_reload_regs): Note the details of reload
4862 failures in the dump file.
4863 (spill_failure): Likewise.
4865 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4867 * loop-iv.c: Include df.h and hashtab.h.
4868 (enum iv_grd_result): New enum.
4869 (DF_REF_IV, DF_REF_IV_SET): New macros.
4870 (struct biv_entry): New.
4871 (df, bivs): New global variables.
4872 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4873 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4874 Removed.
4875 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4876 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4877 analyzed_for_bivness_p, record_biv): New functions.
4878 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4879 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4880 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4881 UD chains.
4882 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4883 analysed.
4884 (iv_number_of_iterations): Use new interface to iv analysis.
4885 * loop-unroll.c: Do not include varray.h.
4886 (analyze_iv_to_split_insn): Use new interface to iv
4887 analysis.
4888 * loop-unswitch.c (may_unswitch_on): Ditto.
4889 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4890 allocated.
4891 (df_bb_modify): Realloc tables to the new index.
4892 (df_find_use): New function.
4893 * df.h (df_find_use): Declare.
4894 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4895 outmode.
4896 * cfgloop.h (struct rtx_iv): Remove analysed field.
4897 (iv_get_reaching_def): Removed.
4898 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4899 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4900 (loop-iv.o): Add df.h and hashtab.h dependency.
4901 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4903 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4905 PR target/25668
4906 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4907 Double TFmode.
4908 (__floatundisf, __floatundidf): Likewise.
4909 * libgcc2.h (IS_IBM_EXTENDED): Define.
4911 2006-01-19 DJ Delorie <dj@redhat.com>
4913 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4915 2006-01-19 Paul Brook <paul@codesourcery.com>
4917 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4918 as nothrow when unwinding tables are disabled.
4920 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4922 PR testsuite/25171
4923 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4924 of bit-field" when in system header.
4926 2006-01-19 DJ Delorie <dj@redhat.com>
4928 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4929 the 16 bit shift limit of the m16c.
4931 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4933 PR target/22099
4934 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4935 * config/i386/i386.c (output_set_got): Output the label if we have one
4936 for the TARGET_DEEP_BRANCH_PREDICTION case.
4938 2006-01-19 Jan Hubicka <jh@suse.cz>
4939 H.J. Lu <hongjiu.lu@intel.com>
4940 Evandro Menezes <evandro.menezes@amd.com>
4942 * invoke.texi (generic): Document
4943 (i686) Update.
4944 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4945 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4946 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4947 (x86_use_incdec, x86_pad_returns): New variables
4948 (TARGET_CPU_DEFAULT_generic): New constant
4949 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4950 (enum processor_type): Add generic32 and generic64.
4951 * i386.md (cpu attribute): Add generic32/generic64
4952 (movhi splitter): Behave sanely when both partial_reg_dependency and
4953 partial_reg_stall are set.
4954 (K8 splitters): Enable for generic as well.
4955 * predicates.md (incdec_operand): Use TARGET_INCDEC
4956 (aligned_operand): Avoid memory mismatch stalls.
4957 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4958 * ppro.md: Enable for generic32
4959 * i386.c (generic64_cost, generic32_cost): New.
4960 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4961 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4962 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4963 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4964 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4965 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4966 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4967 x86_accumulate_outgoing_args, x86_prologue_using_move,
4968 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4969 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4970 Enable for generic.
4971 (x86_use_incdec, x86_pad_returns): New.
4972 (override_options): Add generic32 and generic64, translate "generic"
4973 to generic32/generic64 and "i686" to "generic32", refuse
4974 "generic32"/"generic64" as arch target.
4975 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4976 (ix86_reorg): Honor PAD_RETURNS.
4978 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4980 * tree-pretty-print.c (dump_generic_node): Handle
4981 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4982 * cgraph.c (cgraph_expand_queue): Rename from
4983 cgraph_analyze_queue. Update all users.
4984 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4985 cgraph_expand_queue.
4986 (cgraph_expand_all_functions): Likewise.
4987 (cgraph_finalize_pending_functions): Remove. Update callers.
4989 * tree.h (OMP_DIRECTIVE_P): Define.
4990 (OMP_PARALLEL_FN): Define.
4991 (OMP_PARALLEL_DATA_ARG): Define.
4992 (OMP_SECTIONS_SECTIONS): Define.
4993 * tree-pass.h (pass_expand_omp): Declare.
4994 * omp-low.c (struct omp_region): Declare.
4995 (struct omp_context): Remove fields 'parallel_type',
4996 'parallel_start_ix' and 'parallel_start_additional_args'.
4997 Update all users.
4998 (struct omp_for_data): Rename from struct expand_omp_for_data.
4999 (omp_regions): New static variable.
5000 (root_omp_region): New static variable.
5001 (find_omp_clause): Make static.
5002 (is_in_combined_parallel_ctx): Remove.
5003 (is_combined_parallel): New.
5004 (extract_omp_for_data): Move earlier in the file.
5005 (workshare_safe_to_combine_p): New.
5006 (get_ws_args_for): New.
5007 (determine_parallel_type): Move earlier in the file.
5008 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5009 child function.
5010 (omp_copy_decl): Likewise.
5011 (create_omp_child_function): Likewise.
5012 (lookup_omp_region): New.
5013 (dump_omp_region): New.
5014 (debug_omp_region): New.
5015 (debug_all_omp_regions): New.
5016 (new_omp_region): New.
5017 (scan_omp_parallel): If parallel_nesting_level > 1, the
5018 directive is nested within another parallel directive.
5019 Set OMP_PARALLEL_FN.
5020 (scan_omp_for): Do not try to handle combined parallel+for
5021 cases.
5022 Remove FIXME comment.
5023 (scan_omp_nested): Remove.
5024 (scan_omp_1): Do not call scan_omp_nested when
5025 parallel_nesting_level is > 1.
5026 Do not change the DECL_CONTEXT of local variables found.
5027 (lookup_decl_in_outer_ctx): New.
5028 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5029 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5030 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5031 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5032 If CTX is nested, lookup VAR in the outer context when
5033 building copy assignment.
5034 (lower_send_clauses): Rename from expand_send_clauses.
5035 If CTX is nested, lookup VAR in the outer context when
5036 building copy assignments.
5037 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5038 If CTX is nested, lookup VAR in the outer context when
5039 building copy assignments.
5040 (expand_parallel_call): Rename from build_parallel_call.
5041 Handle combined parallel+workshare cases.
5042 Re-implement to emit code into the CFG.
5043 (list2chain): New.
5044 (expand_omp_parallel): Re-implement to emit code into the CFG.
5045 Call move_sese_region_to_fn to outline the sub-graph
5046 containing the parallel region.
5047 (expand_omp_for_1): Remove.
5048 (expand_omp_for_generic): Re-implement to emit code into the
5049 CFG.
5050 (expand_omp_for_static_nochunk): Likewise.
5051 (expand_omp_for_static_chunk): Likewise.
5052 (expand_omp_for): Likewise.
5053 (expand_omp_sections): Likewise.
5054 (remove_exit_barriers): New.
5055 (expand_omp_synch): New.
5056 (expand_omp): New.
5057 (build_omp_regions_1): New.
5058 (build_omp_regions): New.
5059 (execute_expand_omp): New.
5060 (gate_expand_omp): New.
5061 (pass_expand_omp): Define.
5062 (lower_omp_sections): Rename from expand_omp_sections.
5063 Set OMP_SECTIONS_SECTIONS.
5064 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5065 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5066 (lower_omp_single): Rename from expand_omp_simple.
5067 (lower_omp_master): Rename from expand_omp_master.
5068 (lower_omp_ordered): Rename from expand_omp_ordered.
5069 (lower_omp_critical): Rename from expand_omp_critical.
5070 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5071 (lower_omp_for): Re-implement.
5072 (lower_omp_parallel): Re-implement.
5073 (lower_regimplify): Rename from expand_regimplify.
5074 (lower_omp_1): Rename from expand_omp_1.
5075 If there are syntax errors in the program, replace every
5076 OpenMP directive with NOP.
5077 Call lower_omp_* instead of expand_omp_*.
5078 (lower_omp): Rename from expand_omp.
5080 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5081 * tree-gimple.h (enum omp_parallel_type): Remove.
5082 (gimple_boolify): Declare extern.
5083 (find_omp_clause, determine_parallel_type): Remove.
5085 * gimple-low.c (lower_omp_directive): New.
5086 (lower_stmt): Call it.
5087 (record_vars_into): Move from ...
5088 (record_vars): ... here.
5089 Call record_vars_into with current_function_decl.
5091 * gimplify.c (struct gimplify_ctx): Remove fields
5092 combined_pre_p and combined_ctxp. Update users.
5093 (get_formal_tmp_var): Add documentation.
5094 (gimple_boolify): Make extern.
5095 (gimplify_expr_in_ctx): Remove. Update callers.
5096 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5097 will always be a BIND_EXPR.
5098 (gimplify_expr): Handle OMP_RETURN_EXPR.
5099 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5100 (OMP_PARALLEL): Add 3 operands.
5101 (OMP_SECTIONS): Add 1 operand.
5102 (OMP_RETURN_EXPR): Define.
5104 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5105 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5106 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5107 creating a circular free list.
5108 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5110 * tree-flow.h (move_sese_region_to_fn): Declare.
5111 (record_vars_into): Declare.
5112 * tree-cfg.c (make_omp_sections_edges): New.
5113 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5114 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5115 OMP_SECTIONS and OMP_SECTION.
5116 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5117 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5118 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5119 (gather_blocks_in_sese_region): New.
5120 (struct move_stmt_d): Declare.
5121 (move_stmt_r): New.
5122 (move_block_to_fn): New.
5123 (move_sese_region_to_fn): New.
5125 * passes.c (init_optimization_passes): Schedule
5126 pass_expand_omp after pass_init_datastructures.
5128 * tree-ssa-operands.c (get_expr_operands): Handle
5129 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5130 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5132 2006-01-19 Jeff Law <law@redhat.com>
5134 * tree-vrp.c (extract_range_from_assert): Refine the result range
5135 if the variable referenced by the ASSERT_EXPR has a range and
5136 either the tentative result range or the previous range is a
5137 VR_ANTI_RANGE.
5139 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5141 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5143 2006-01-19 Jan Hubicka <jh@suse.cz>
5145 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5147 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5149 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5150 (expand_compound_operation, expand_field_assignment): Fail if the
5151 bit lengths of an extract operation are out of range.
5152 (make_extraction): Compute wanted_inner_mode based on the position
5153 and length of the extraction. Make it extraction_mode for non-constant
5154 positions, and do not modify offset in that case. When generating a
5155 new MEM, use a mode that can hold the extraction while keeping correct
5156 alignment. Remove code that supported MEMs wrapped by USEs.
5157 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5159 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5161 * config/s390/s390.md ("Y", "y"): New mode attribute.
5162 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5163 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5164 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5165 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5166 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5167 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5168 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5169 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5170 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5171 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5172 "addsi3", "subsi3"): Insn patterns removed.
5173 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5174 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5175 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5176 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5177 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5178 "*sub<mode>3_cconly2"): New insn patterns.
5179 ("addsi3", "subsi3"): New expanders.
5181 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5183 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5184 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5185 existing STMT_VINFO_VECTYPE if available.
5186 (vect_mark_relevant): Add special handling for stmts that are
5187 marked as STMT_VINFO_IN_PATTERN_P.
5188 (vect_analyze_loop): Call vect_pattern_recog.
5189 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5190 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5191 stmt_info.
5192 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5193 (vect_recog_func_ptr): New function-pointer type.
5194 * tree-vect-patterns.c: New file.
5195 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5196 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5197 (vect_pattern_recog_1): New functions.
5198 (vect_pattern_recog_funcs): New array of function pointers.
5200 * tree-vectorizer.h (ternary_op): New enum value.
5201 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5202 declaration. Revised documentation. Removed redundant dump prints.
5203 Removed redundant argument. Added support for reduction patterns.
5204 (vectorizable_reduction): Added support for reduction patterns.
5205 (vect_transform_stmt): Added support for patterns.
5207 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5208 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5209 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5210 (expand_widen_pattern_expr): New function.
5211 (init_optabs): Initialize new optabs udot_prod_optab,
5212 sdot_prod_optab.
5213 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5214 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5215 (expand_widen_pattern_expr): New function declaration.
5216 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5217 tree-codes.
5218 * tree-inline.c (estimate_num_insns_1): Added cases for new
5219 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5220 * tree-pretty-print.c (dump_generic_node): Likewise.
5221 (op_prio): Likewise.
5222 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5223 * tree-ssa-operands.c (get_expr_operands): Added case for
5224 DOT_PROD_EXPR.
5225 * tree-vect-patterns.c (widened_name_p): New function.
5226 (vect_recog_dot_prod_pattern): Added function implementation.
5227 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5228 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5229 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5230 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5232 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5233 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5234 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5235 (init_optabs): Initialize new optabs widen_ssum_optab,
5236 widen_usum_optab.
5237 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5238 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5239 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5240 use instead of type of def.
5241 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5242 function implementation.
5243 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5244 widen_ssumv8hi): New.
5246 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5247 patterns.
5249 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5251 PR c/25805
5252 * c-decl.c (add_flexible_array_elts_to_size): New function.
5253 (finish_decl): Use it.
5255 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5257 * diagnostic.h: Include options.h.
5258 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5259 dependancies for diagnostic.h.
5260 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5262 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5264 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5265 (ssa_ro_call_cache_valid): Ditto.
5266 * tree-ssa-alias.c (sort_tags_by_id): New function.
5267 (init_transitive_clobber_worklist): Ditto.
5268 (add_to_worklist): Ditto.
5269 (mark_aliases_call_clobbered): Ditto.
5270 (compute_tag_properties): Ditto.
5271 (set_initial_properties): Ditto.
5272 (compute_call_clobbered): Ditto.
5273 (compute_may_aliases): Call compute_call_clobbered and grouping.
5274 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5275 (compute_flow_insensitive_aliasing): Grouping now happens in our
5276 caller.
5277 (setup_pointers_and_addressables): Remove clobbering related code.
5278 (add_may_alias): Ditto.
5279 (replace_may_alias): Ditto.
5280 (get_nmt_for): Ditto.
5281 (create_global_var):
5282 (is_escape_site): Return an escape_type enumeration.
5283 * tree-flow-inline.h (is_call_clobbered): Global var does not
5284 imply call clobbered.
5285 (mark_call_clobbered): Take a reason for marking this. Remove
5286 marking of globalness, and cache invalidation.
5287 (clear_call_clobbered): Remove cache invalidation code.
5288 * tree-dfa.c (dump_variable): If details is on, dump the reason
5289 for escaping.
5290 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5291 variable.
5292 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5293 (struct var_ann_d): Ditto.
5294 (enum escape_type): New.
5295 (mark_call_clobbered): Adjust prototype.
5296 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5297 are never call clobbered.
5298 Record reasons for escaping.
5299 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5300 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5301 (ssa_ro_call_cache_valid): Ditto.
5302 (clobbered_v_may_defs): Ditto.
5303 (clobbered_vuses): Ditto.
5304 (ro_call_vuses): Ditto.
5305 (clobber_stats): New.
5306 (init_ssa_operands): Zero out clobber stats.
5307 (fini_ssa_operands): Print out clobber stats.
5308 (get_call_expr_operands): Pass callee fndecl to
5309 add_call_read_ops).
5310 (add_call_clobber_ops): Remove use of cache.
5311 Add use of PURE_CONST information.
5312 (add_call_read_ops): Remove use of cache.
5313 Add use of static not_read information.
5315 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5317 Introduce TLS descriptors for i386 and x86_64.
5318 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5319 (TARGET_ANY_GNU_TLS): New macro.
5320 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5321 (struct machine_function): Add tls_descriptor_call_expanded_p.
5322 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5323 (ix86_current_function_calls_tls_descriptor): Likewise.
5324 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5325 (override_options): Introduce gnu2 tls dialect.
5326 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5327 not leaves.
5328 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5329 Likewise.
5330 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5331 (ix86_init_machine_status): Initialize new field.
5332 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5333 (ix86_tls_module_base): New.
5334 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5335 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5336 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5337 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5338 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5339 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5340 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5341 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5342 * config/i386/predicates.md (tls_modbase_operand): New.
5343 (tp_or_register_operand): New.
5345 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5347 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5348 (look_for_address_of): Ditto.
5349 (ipa_init): Walk the function decls.
5350 (static_execute): Don't set readonly on FUNCTION_DECL's.
5352 2006-01-18 Roger Sayle <roger@eyesopen.com>
5354 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5355 for shifts where the source and destination registers are different.
5357 2006-01-18 Paul Brook <paul@codesourcery.com>
5359 Merge from csl-arm-branch.
5360 2005-03-14 Julian Brown <julian@codesourcery.com>
5361 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5362 (aeabi_llsl): Likewise.
5363 (ashrdi3): Likewise.
5364 (aeabi_lasr): Likewise.
5365 (lshrdi3): Likewise.
5366 (aeabi_llsr): Likewise.
5367 2005-03-10 Julian Brown <julian@codesourcery.com>
5368 * config.gcc: Disable shared libgcc for SymbianOS.
5369 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5371 2006-01-18 DJ Delorie <dj@redhat.com>
5373 * c-pragma.c (handle_pragma_diagnostic): New.
5374 (init_pragma): Register it.
5375 * doc/extend.texi: Document it.
5377 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5378 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5379 (diagnostic_context): Add classify_diagnostic[].
5380 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5381 as errors if they're overridden to DK_WARNING.
5382 (diagnostic_initialize): Initialize classify_diagnostic[].
5383 (diagnostic_set_kind_override): New.
5384 (diagnostic_report_diagnostic): Check for kind changes.
5385 * opts.c (common_handle_option): Take lang_mask. Update callers.
5386 Handle OPT_Werror_.
5387 * common.opt (Werror=): New.
5388 * doc/invoke.texi: Document -Werror=*
5390 2006-01-18 Jeff Law <law@redhat.com>
5392 * tree-vrp.c (test_for_singularity): Correct test for new
5393 min limit. Use operand_equal_p rather than pointer equality
5394 for testing if new min/max values are equal.
5396 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5397 using range information until after propagation and folding.
5399 2006-01-18 Richard Henderson <rth@redhat.com>
5400 Aldy Hernandez <aldyh@redhat.com>
5401 Jakub Jelinek <jakub@redhat.com>
5402 Diego Novillo <dnovillo@redhat.com>
5404 * omp-low.c: New file.
5405 * c-omp.c: New file.
5407 2006-01-18 Richard Henderson <rth@redhat.com>
5408 Jakub Jelinek <jakub@redhat.com>
5409 Diego Novillo <dnovillo@redhat.com>
5411 * doc/invoke.texi: Document -fopenmp.
5412 * tree-dump.h (debug_function): Declare.
5413 * hooks.c (hook_bool_tree_bool_false): New function.
5414 (hook_tree_tree_null): Remove.
5415 (hook_tree_tree_tree_null): New.
5416 * hooks.h: Update to match.
5417 * tree-pretty-print.c (debug_tree_chain): New.
5418 (print_generic_expr): Handle TDF_CHAIN.
5419 (dump_generic_node): Handle BLOCK.
5420 Do not abort with incomplete SWITCH_EXPRs.
5421 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5422 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5423 print space after directive name.
5424 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5425 Handle OMP_MASTER and OMP_ORDERED.
5426 Handle printing of OMP_BODY just in one place, goto
5427 dump_omp_body in the rest of OMP_* nodes that have
5428 OMP_BODY.
5429 Don't handle clause nodes here. Update omp statements to
5430 use dump_omp_clauses.
5431 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5432 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5433 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5434 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5435 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5436 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5437 Adjust output for GOMP_PARALLEL.
5438 (dump_omp_clauses): New.
5439 (print_declaration): Dump DECL_VALUE_EXPR.
5440 (op_symbol_1): Split out of op_symbol.
5441 (dumping_stmts): Remove. Update all users.
5442 * cgraph.c (cgraph_analyze_queue): New.
5443 (cgraph_add_new_function): New.
5444 * cgraph.h (cgraph_analyze_queue): Declare.
5445 (cgraph_add_new_function): Declare.
5446 (cgraph_lower_function): Remove.
5447 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5448 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5449 and TYPE_P nodes in its default clause.
5450 (empty_body_p): New.
5451 (tree_range_check_failed): New.
5452 (build5_stat): New.
5453 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5454 OMP_CLAUSE_REDUCTION_MERGE,
5455 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5456 OMP_CLAUSE_PRIVATE_DEBUG,
5457 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5458 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5459 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5460 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5461 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5462 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5463 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5464 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5465 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5466 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5467 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5468 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5469 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5470 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5471 (TREE_RANGE_CHECK): New.
5472 (empty_body_p): Declare.
5473 (enum omp_clause_default_kind): New.
5474 (build_string_literal): Declare.
5475 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5476 (build5_stat, build5): Declare.
5477 * tree-pass.h (TDF_CHAIN): Define.
5478 * tree-pass.h (PROP_gimple_lomp): Define.
5479 (pass_lower_omp): Declare.
5480 * diagnostic.h (debug_tree_chain): Declare.
5481 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5482 mode_for_size.
5483 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5484 * builtins.c (build_string_literal): Make extern.
5485 * gcc.c (include_spec_function): New.
5486 (static_spec_functions): Add it.
5487 (main): Move load of libgomp.spec ...
5488 (LINK_COMMAND_SPEC): ... here.
5489 (link_gomp_spec): New.
5490 (static_specs): Include it.
5491 (LINK_COMMAND_SPEC): Add link_gomp.
5492 (GOMP_SELF_SPECS): New.
5493 (driver_self_specs): Include it.
5494 (switch_matches): Don't mark inline.
5495 (main): Load libgomp.spec.
5496 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5497 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5498 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5499 * tree-gimple.h (enum omp_parallel): Declare.
5500 (determine_parallel_type): Declare.
5501 (omp_firstprivatize_variable): Declare.
5502 (omp_reduction_init): Declare.
5503 (diagnose_omp_structured_block_errors): Declare.
5504 (struct walk_stmt_info): Add want_return_expr.
5505 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5506 (find_omp_clause): Declare.
5507 (insert_field_into_struct): Declare.
5508 (struct walk_stmt_info): Move from tree-nested.c
5509 (walk_stmts): Declare.
5510 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5511 to 200505.
5512 * cgraphunit.c (cgraph_lower_function): Make static.
5513 (cgraph_finalize_pending_functions): New.
5514 (cgraph_finalize_function): Call it.
5515 (cgraph_finalize_compilation_unit): Likewise.
5516 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5517 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5518 (BT_FN_UINT_UINT): New.
5519 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5520 DEF_FUNCTION_TYPE_VAR_4): Document.
5521 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5522 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5523 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5524 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5525 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5526 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5527 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5528 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5529 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5530 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5531 into separate files.
5532 (DEF_GOMP_BUILTIN): New.
5533 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5534 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5535 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5536 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5537 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5538 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5539 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5540 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5541 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5542 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5543 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5544 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5545 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5546 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5547 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5548 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5549 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5550 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5551 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5552 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5553 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5554 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5555 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5556 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5557 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5558 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5559 * sync-builtins.def: New file, moved from builtins.def.
5560 * omp-builtins.def: New file, moved from builtins.def.
5561 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5562 * gimple-low.c (lower_function_body): Clear data.
5563 (lower_stmt): Do not handle COMPOUND_EXPR.
5564 Remove call to print_node_brief.
5565 * c-tree.h (c_finish_omp_clauses): New prototype.
5566 (C_DECL_THREADPRIVATE_P): Define.
5567 (lookup_name_no_remap, c_omp_remap_private): Remove
5568 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5569 (check_for_loop_decls): Update decl.
5570 (lookup_name_no_remap, c_omp_remap_private): Declare.
5571 (build_indirect_ref, build_modify_expr, pushdecl,
5572 pushdecl_top_level): Move to c-common.h.
5573 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5574 before the switch, but just in the 2 places that need it.
5575 * c-decl.c (diagnose_mismatched_decls): Do not check for
5576 mismatched thread-local attributes when OLDDECL is marked
5577 threadprivate and NEWDECL has no thread-local attributes.
5578 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5579 (c_gimple_diagnostics_recursively): Rename from
5580 c_warn_unused_result_recursively. Invoke
5581 diagnose_omp_structured_block_errors.
5582 (check_for_loop_decls): Return a singular decl found.
5583 * langhooks.c (lhd_omp_predetermined_sharing): Return
5584 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5585 (lhd_omp_firstprivatize_type_sizes): New.
5586 (lhd_omp_assignment): New.
5587 (lhd_omp_predetermined_sharing): New.
5588 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5589 (struct lang_hooks_for_types): Add
5590 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5591 omp_predetermined_sharing, omp_disregard_value_expr,
5592 omp_private_debug_clause, omp_clause_default_ctor,
5593 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5594 (c_finish_omp_clauses): New.
5595 (c_finish_bc_stmt): Diagnose break within omp for.
5596 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5597 (build_unary_op): Return error_mark after reporting
5598 a readonly_error.
5599 (build_modify_expr): Likewise.
5600 * gimplify.c: Include optabs.h and pointer-set.h.
5601 (enum gimplify_omp_var_data): Declare.
5602 (struct gimplify_omp_ctx): Declare.
5603 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5604 and combined_ctxp.
5605 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5606 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5607 (splay_tree_compare_decl_uid): New.
5608 (new_omp_context): New.
5609 (delete_omp_context): New.
5610 (gimple_add_tmp_var): Call omp_add_variable.
5611 (gimplify_bind_expr): Likewise.
5612 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5613 true, disregard DECL_VALUE_EXPR on the decl if any.
5614 (gimplify_expr_in_ctx): New.
5615 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5616 omp_add_variable, omp_notice_variable, omp_is_private
5617 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5618 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5619 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5620 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5621 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5622 gimplify_omp_atomic): New.
5623 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5624 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5625 OMP_CRITICAL and OMP_ATOMIC.
5626 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5627 * c-pragma.h (enum pragma_kind): Add
5628 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5629 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5630 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5631 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5632 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5633 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5634 PRAGMA_OMP_THREADPRIVATE.
5635 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5636 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5637 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5638 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5639 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5640 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5641 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5642 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5643 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5644 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5645 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5646 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5647 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5648 OpenMP directives.
5649 (struct nesting_info): Add field_map,
5650 suppress_expansion, debug_var_chain.
5651 (create_nesting_tree): Initialize them.
5652 (lookup_field_for_decl): Use field_map.
5653 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5654 (convert_local_omp_clauses): New.
5655 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5656 (walk_body): Split out of walk_function.
5657 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5658 (convert_nonlocal_reference): Handle omp statements.
5659 (convert_local_reference): Likewise.
5660 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5661 (unnest_nesting_tree): New.
5662 (lower_nested_functions): Call it.
5663 (insert_field_into_struct): Make extern.
5664 (struct walk_stmt_info): Move to tree-gimple.h.
5665 (walk_stmts): Make extern.
5666 * omp-builtins.def: New file.
5667 * tree-iterator.c (expr_only): Clarify comment.
5668 * c-common.h (pushdecl_top_level, pushdecl,
5669 build_modify_expr, build_indirect_ref,
5670 c_finish_omp_master, c_finish_omp_critical,
5671 c_finish_omp_ordered, c_finish_omp_barrier,
5672 c_finish_omp_atomic, c_finish_omp_flush,
5673 c_finish_omp_for, c_split_parallel_clauses,
5674 omp_clause_default_kind, c_omp_sharing_predetermined,
5675 c_omp_remap_decl): Declare.
5676 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5677 (OBJS-common): Add omp-low.o.
5678 (c-omp.o, omp-low.o): Add.
5679 (gimplify.o): Add dependency on $(OPTABS_H).
5680 (GTFILES): Add omp-low.c.
5681 (gt-stringpool.h): Add.
5682 * tree-cfg.c (set_bb_for_stmt): Do not update the
5683 block-to-labels map if we are currently expanding to RTL.
5684 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5685 checks.
5686 Handle IDENTIFIER_NODE.
5687 (tree_verify_flow_info): Do not ICE when emitting error
5688 messages about invalid labels.
5689 (dump_function_to_file): Reset CFUN before emitting the body
5690 of the function.
5691 (debug_function): New.
5692 * passes.c (init_optimization_passes): Schedule
5693 pass_lower_omp.
5694 * langhooks-def.h (lhd_omp_predetermined_sharing,
5695 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5696 Declare.
5697 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5698 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5699 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5700 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5701 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5702 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5703 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5704 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5705 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5706 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5707 (LANG_HOOK_DECLS): Use them.
5709 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5710 Richard Henderson <rth@redhat.com>
5711 Jakub Jelinek <jakub@redhat.com>
5712 Diego Novillo <dnovillo@redhat.com>
5714 * c-parser.c (pragma_omp_clause): Define.
5715 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5716 (c_parser_compound_statement): Likewise.
5717 (c_parser_statement): Likewise.
5718 (c_parser_pragma): Handle omp pragmas.
5719 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5720 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5721 (c_parser_omp_clause_name, check_no_duplicate_clause,
5722 c_parser_omp_variable_list,
5723 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5724 c_parser_omp_clause_copyprivate,
5725 c_parser_omp_clause_default,
5726 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5727 c_parser_omp_clause_lastprivate,
5728 c_parser_omp_clause_nowait,
5729 c_parser_omp_clause_num_threads,
5730 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5731 c_parser_omp_clause_reduction,
5732 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5733 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5734 c_parser_omp_atomic, c_parser_omp_barrier,
5735 c_parser_omp_critical, c_parser_omp_flush,
5736 c_parser_omp_for_loop, c_parser_omp_for,
5737 c_parser_omp_master, c_parser_omp_ordered,
5738 c_parser_omp_sections_scope, c_parser_omp_sections,
5739 c_parser_omp_parallel, c_parser_omp_single,
5740 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5741 * c-pragma.c (init_pragma): Do omp pragma registration here.
5742 * c.opt (fopenmp): New flag.
5744 2006-01-18 Eric Christopher <echristo@apple.com>
5746 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5747 * config/darwin.h (GOMP_SELF_SPECS): Define.
5749 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5751 * rtl.h: Remove the prototype for reg_alloc.
5753 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5755 PR target/25731
5756 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5757 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5758 sjlj and dwarf2 exception handling.
5759 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5760 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5761 * pa/pa.c (function_value): Treat complex and vector types as
5762 aggregates.
5763 (function_arg): Likewise. Only pass scalar floats in the floating
5764 point argument registers.
5765 * pa/t-slibgcc-dwarf-ver: New file.
5766 * pa/t-slibgcc-sjlj-ver: New file.
5767 * pa/t-slibgcc-elf-ver: Delete file.
5769 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5771 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5772 unlikely_test_section_p test.
5774 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5776 * mode-switching.c (optimize_mode_switching): Make it static.
5777 * basic-block.h: Remove the prototype for
5778 optimize_mode_switching.
5780 * modulo-sched.c (sms_schedule): Make it static.
5781 * rtl.h: Remove the prototype for sms_schedule.
5783 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5784 * rtl.h: Remove the prototype for gcse_after_reload_main.
5786 * reg-stack.c (reg_to_stack): Make it static.
5787 * rtl.h: Remove the prototype for reg_to_stack.
5789 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5790 Make them static.
5791 * rtl.h: Remove the prototypes for regrename_optimize and
5792 copyprop_hardreg_forward.
5794 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5796 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5797 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5798 Test against the appropriate null constant for the mode.
5799 If 'fixup_overlap' is true, swap the operands if they overlap.
5800 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5801 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5802 alpha_split_tmode_pair and adjust for above change.
5803 * config/alpha/alpha.md (movtf_internal): Adjust call to
5804 alpha_split_tfmode_pair and rely on it to swap the operands.
5805 (movti_internal): New insn and post-reload splitter.
5806 (movti): New expander.
5808 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5810 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5811 operands.
5813 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5815 * rtlanal.c (global_reg_mentioned_p_1,
5816 global_reg_mentioned_p): Remove.
5817 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5819 * flow.c (initialize_uninitialized_subregs): Make it static.
5820 * rtl.h: Remove the prototype for
5821 initialize_uninitialized_subregs.
5823 * function.c (instantiate_virtual_regs): Make it static.
5824 * function.h: Remove the prototype for
5825 instantiate_virtual_regs.
5827 * regmove.c (regmove_optimize, combine_stack_adjustments):
5828 Make them static.
5829 * rtl.h: Remove the prototypes for regmove_optimize and
5830 combine_stack_adjustments.
5832 2006-01-17 Roger Sayle <roger@eyesopen.com>
5834 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5835 (size_cost): Encode costs in bytes so that a reg-reg addition is
5836 equivalent to COSTS_N_INSNS(1).
5837 (override_options): Use the size_cost.branch_cost as the default
5838 ix86_branch_cost when optimizing for size.
5840 2006-01-18 Ben Elliston <bje@au.ibm.com>
5842 * Makefile.in (D32PBIT_FUNCS): New.
5843 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5844 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5845 D64PBIT_FUNCS and D128PBIT_FUNCS.
5846 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5847 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5848 D128PBIT are set.
5849 (decnumber_dep): Define.
5850 * doc/libgcc.texi (Decimal float library routines): New node.
5851 * config/dfp-bit.h, config/dfp-bit.c: New files.
5853 2006-01-18 Ben Elliston <bje@au.ibm.com>
5855 * expr.c (emit_move_change_mode): Always adjust addresses, not
5856 just during reload. Copy replacements only during reload.
5857 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5858 emit_move_via_integer.
5860 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5862 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5863 instead of $(srcdir) and ${srcdir}.
5865 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5867 PR target/592
5868 PR middle-end/11135
5869 * arm.h (struct machine_function): Add pic_reg.
5870 * arm.c (arm_pic_register): Make unsigned.
5871 (arm_override_options): Only set arm_pic_register if
5872 TARGET_SINGLE_PIC_BASE.
5873 (use_return_insn): Only test for a pic register if it is fixed.
5874 (arm_compute_save_reg0_reg12_mask): Likewise.
5875 (thumb_compute_save_reg_mask): Likewise.
5876 (legitimate_pic_operand): Factor out some known invariants.
5877 (legitimize_pic_address): If we don't have a fixed pic register,
5878 then set up a pseudo in the function entry sequence. Handle the
5879 pic base being in a pseudo.
5880 (arm_load_pic_register): Handle the pic register being in a pseudo.
5881 (arm_expand_prologue): Only set up the pic register if it is fixed.
5882 (thumb_expand_prologue): Likewise.
5883 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5884 (pic_load_addr_based_insn): Likewise.
5885 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5886 fixed.
5888 2006-01-18 Ben Elliston <bje@au.ibm.com>
5890 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5891 decimal float modes for all floating point registers.
5893 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5894 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5896 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5898 PR c/25682
5899 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5900 even when the pointer is not NULL.
5902 2006-01-16 Ian Lance Taylor <ian@airs.com>
5904 * common.opt (ftoplevel-reorder): New option.
5905 * cgraph.c (cgraph_asm_nodes): New global variable.
5906 (cgraph_asm_last_node): New static variable.
5907 (cgraph_order): New global variable.
5908 (cgraph_create_node): Set new order field.
5909 (cgraph_varpool_node): Likewise.
5910 (decide_is_variable_needed): Return true if not
5911 flag_toplevel_reorder.
5912 (cgraph_add_asm_node): New function.
5913 * cgraph.h (struct cgraph_node): Add order field.
5914 (struct cgraph_varpool_node): Add order field.
5915 (struct cgraph_asm_node): Define.
5916 (cgraph_asm_nodes, cgraph_order): Declare.
5917 (cgraph_add_asm_node): Declare.
5918 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5919 function.
5920 (cgraph_varpool_assemble_pending_decls): Call it.
5921 (cgraph_output_pending_asms): New static function.
5922 (cgraph_finalize_compilation_unit): Call it.
5923 (struct cgraph_order_sort): Define.
5924 (cgraph_output_in_order): New static function.
5925 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5926 !flag_toplevel_reorder case.
5927 * c-parser.c: Include "cgraph.h".
5928 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5929 assemble_asm.
5930 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5931 than -fno-unit-at-a-time.
5932 * doc/invoke.texi (Option Summary): Mention
5933 -fno-toplevel-reorder.
5934 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5935 -funit-at-a-time documentation.
5937 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5938 Kazu Hirata <kazu@codesourcery.com>
5940 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5942 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5944 * Makefile.in (FUNCTION_H): New. Use it instead of
5945 function.h throughout the file.
5946 * function.h: Include tree.h.
5948 2006-01-17 Ben Elliston <bje@au.ibm.com>
5950 * recog.c: Separate some functions with whitespace.
5952 2006-01-16 Richard Henderson <rth@redhat.com>
5954 Merge from gomp branch:
5955 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5956 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5957 and rename from struct inline_data. Rename callee* to dst*;
5958 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5959 transform_new_cfg, transform_return_to_modify, and
5960 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5961 update_clones_p.
5962 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5963 (copy_decl_for_dup): Remove.
5964 * tree-inline.c (struct inline_data): Move to header.
5965 (insert_decl_map): Export.
5966 (remap_decl): Update for member name changes. Use copy_decl hook.
5967 Allow for replacement to be a non-decl. Remove dead code.
5968 (remap_type_1): Check for existing mapping.
5969 (remap_type): Export.
5970 (remap_decls): Update for member name changes.
5971 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5972 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5973 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5974 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5975 (tree_function_versioning, build_duplicate_type): Likewise.
5976 (copy_body_r): Likewise. Export.
5977 (copy_decl_for_dup): Split into ...
5978 (copy_decl_for_dup_finish, copy_decl_to_var,
5979 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5980 (replace_ref_tree, inlining_p): Remove.
5982 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5984 * ifcvt.c (if_convert): Make it static.
5985 * rtl.h: Remove the prototype for if_convert.
5987 * local-alloc.c (local_alloc): Make it static.
5988 * rtl.h: Remove the prototype for local_alloc.
5990 * loop.c (loop_optimize): Make it static.
5991 * cfgloop.h: Remove the prototype for loop_optimize.
5992 * rtl.h: Likewise.
5994 2006-01-16 DJ Delorie <dj@redhat.com>
5996 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5997 mems.
5999 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6001 * pa.md: Disparage copies between general and floating-point registers
6002 in 32-bit move patterns.
6004 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6006 PR testsuite/25741
6007 * Makefile.in (check-%): Depend on site.exp instead of
6008 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6009 directories.
6011 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6013 * global.c (global_alloc): Make it static.
6014 * rtl.h: Remove the prototype for global_alloc.
6016 2006-01-16 Richard Guenther <rguenther@suse.de>
6018 * tree-ssa-alias.c (struct used_part): Add write_only field.
6019 (get_or_create_used_part_for): Initialize it to true.
6020 (create_overlap_variables_for): Don't create structure variables
6021 for structures that only are written to.
6022 (find_used_portions): Handle MODIFY_EXPR to track whether a
6023 structure is only written to.
6025 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6027 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6028 static.
6029 * basic-block.h: Remove the prototype for
6030 partition_hot_cold_basic_blocks.
6032 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6034 * cppspec.c (lang_specific_spec_functions): Remove.
6035 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6036 * gcc.h (lang_specific_spec_functions): Remove.
6037 * gccspec.c (lang_specific_spec_functions): Remove.
6039 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6041 * combine.c (record_value_for_reg): Invalidate registers
6042 if INSN is null.
6043 (record_dead_and_set_regs_1): Likewise, by passing them to
6044 record_value_for_reg.
6045 (record_dead_and_set_regs): Invalidate stores made by a
6046 call. We do not combine across a call, but we still
6047 relied on equivalences.
6049 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6051 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6052 vrp_int_const_binop returning non-constant nodes.
6054 2006-01-16 Paul Brook <paul@codesourcery.com>
6056 * config/m68k/m68k.c (output_move_const_into_data_reg):
6057 Output correct mnemonic for mvz and mvs.
6059 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6061 * rtl-factoring.c: Add sequence abstraction algorithm.
6062 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6063 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6064 ABNORMAL edges.
6065 (block_has_preserve_label): New function.
6066 * common.opt: Register new pass.
6067 * Makefile.in: Ditto.
6068 * passes.c: Ditto.
6069 * timevar.def: Ditto.
6070 * tree-pass.h: Ditto.
6071 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6072 * rtl.h (make_jump_insn_raw): Add forward decl.
6073 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6075 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6076 Roger Sayle <roger@eyesopen.com>
6078 * fold-const.c (fold_minmax): New static function.
6079 (fold_binary) <MIN_EXPR>: Call it.
6080 <MAX_EXPR>: Likewise.
6081 * stor-layout.c (place_field): Use DECL_SIZE consistently
6082 in the computation of the new record size.
6084 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6086 * cse.c (cse_condition_code_reg): Make it static.
6087 * rtl.h: Remove the prototype for cse_condition_code_reg.
6089 * combine.c (combine_instructions): Make it static.
6090 * rtl.h: Remove the prototype for combine_instructions.
6092 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6094 PR target/25168
6095 * tree.c (get_file_function_name_long): Concatenate the first global
6096 object name with a string derived from the input filename of the object
6097 for type "F".
6099 2006-01-16 Ben Elliston <bje@au.ibm.com>
6101 * config/i386/winnt-stubs.c: Update FSF address.
6102 * config/xtensa/ieee754-df.S: Ditto.
6103 * config/xtensa/ieee754-sf.S: Ditto.
6105 2006-01-14 Ian Lance Taylor <ian@airs.com>
6107 * ifcvt.c (noce_init_if_info): New static function, broken out of
6108 noce_process_if_block.
6109 (noce_process_if_block): Call noce_init_if_info.
6110 (check_cond_move_block): New static function.
6111 (cond_move_process_if_block): New static function.
6112 (process_if_block): Call cond_move_process_if_block.
6114 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6116 * cselib.c (hash_table): Rename to cselib_hash_table.
6117 (cselib_clear_table, discard_useless_values,
6118 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6119 cselib_init, cselib_finish): Adjust uses of hash_table.
6121 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6123 PR tree-optimization/25485
6124 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6125 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6126 is known to be false and true, respectively.
6128 2006-01-14 Richard Guenther <rguenther@suse.de>
6130 PR tree-optimization/22548
6131 PR tree-optimization/22555
6132 PR tree-optimization/22501
6133 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6134 * params.def (salias-max-array-elements): New parameter.
6135 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6136 * doc/invoke.texi (salias-max-array-elements): Document.
6137 * tree-flow-inline.h (var_can_have_subvars): We also handle
6138 arrays now.
6139 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6140 COMPONENT_REF.
6141 * tree-ssa-structalias.c (params.h): Include.
6142 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6143 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6144 (get_constraint_for): For ADDR_EXPR operating on something
6145 containing an ARRAY_REF, add all subvars to the solution.
6146 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6147 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6148 for creating MUST_DEFs.
6149 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6151 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6153 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6154 functions.
6155 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6156 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6157 number_of_iterations_le): New functions.
6158 (number_of_iterations_special): Removed.
6159 (number_of_iterations_exit): Do not use number_of_iterations_special.
6160 * tree.c (unsigned_type_for): Always return integer type.
6162 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6163 Richard Guenther <rguenther@suse.de>
6165 PR rtl-optimization/24257
6166 * gcse.c (find_moveable_store): Only consider a store movable
6167 when the SET_SRC of the insn can be assigned to a register.
6169 2006-01-14 Ian Lance Taylor <ian@airs.com>
6171 * tree.c (tree_not_class_check_failed): New function.
6172 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6173 (tree_not_class_check_failed): Declare.
6175 2006-01-13 Ian Lance Taylor <ian@airs.com>
6177 * reload1.c (do_output_reload): Add assertion rejecting a
6178 CALL_INSN.
6180 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6182 * combine.c (struct reg_stat): Add new fields truncation_label and
6183 truncated_to_mode.
6184 (record_value_for_reg): Reset truncated_to_mode.
6185 (record_truncated_value): New function.
6186 (check_promoted_subreg): Call it. Rename to check_conversions.
6187 (combine_instructions): Rename check_promoted_subreg to
6188 check_conversions.
6189 (reg_truncated_to_mode): New function.
6190 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6191 (gen_lowpart_or_truncate): New function.
6192 (force_to_mode): Use it instead of gen_lowpart.
6194 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6196 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6197 VAR is a tag, not its type tag.
6199 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6201 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6202 alternatives to match style of other entries.
6203 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6205 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6207 PR tree-optimization/25771
6208 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6209 SSA_NAMES.
6211 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6213 PR tree-opt/24365
6214 * tree-inline.c (declare_return_variable): If the return variable
6215 was marked as a non gimple complex, set the return slot variable
6216 to be a non gimple comple variable.
6218 2006-01-13 Richard Guenther <rguenther@suse.de>
6220 * builtins.c (expand_builtin_sincos): New function.
6221 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6222 do not set errno.
6223 (expand_builtin): Expand sincos using expand_builtin_sincos.
6225 2006-01-12 DJ Delorie <dj@redhat.com>
6227 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6228 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6229 so that constant shifts can be split.
6230 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6231 (m32c_valid_pointer_mode): Make static.
6232 (shift_gen_func_for): New.
6233 (m32c_prepare_shift): Use it. Split large const shifts into
6234 multiple shifts.
6235 * config/m32c/predicates.md (shiftcount_operand): Allow more
6236 general operands.
6237 (longshiftcount_operand): New.
6238 * doc/md.texi (Machine Constraints): Document In6.
6240 2006-01-13 Ben Elliston <bje@au.ibm.com>
6242 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6243 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6244 documentation.
6246 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6248 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6249 to try to avoid clobbering pieces of structures when we know
6250 something about the whole structure.
6251 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6253 2006-01-13 Ben Elliston <bje@au.ibm.com>
6255 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6256 return in memory, as this is no limitation is no longer present.
6258 2006-01-12 DJ Delorie <dj@redhat.com>
6260 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6261 mova with fb, and for fb+0 -> An.
6263 * config/m32c/mov.md (peephole2): Fix enabling logic.
6265 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6266 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6267 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6268 FINI_ARRAY_SECTION_ASM_OP): Define.
6270 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6271 variable.
6272 (m32c_legitimize_reload_address): New logic to reload FB to An.
6273 (m32c_output_reg_push): Add newline.
6274 (m32c_output_reg_pop): Likewise.
6276 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6278 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6280 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6282 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6284 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6286 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6287 match_code.
6289 2006-01-11 Ben Elliston <bje@au.ibm.com>
6291 * rtlanal.c (find_reg_note): Assert insn is not null.
6293 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6295 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6296 ifdef.
6298 2006-01-11 Jeff Law <law@redhat.com>
6300 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6301 hold edge pairs.
6302 (mark_threaded_blocks, register_jump_thread): New functions.
6303 (thread_through_all_blocks): Remove unwanted argument. No
6304 longer rely on e->aux to communicate thread target info.
6305 Call mark_threaded_blocks. Release the threaded_blocks
6306 bitmap and threaded_edges vector when complete.
6307 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6308 (threaded_blocks): Remove.
6309 (tree_ssa_dominator_optimize): Remove initialization and
6310 finalization of threaded_blocks. Simplify call to
6311 thread_through_all_blocks.
6312 (thread_across_edge): Call register_jump_thread rather than
6313 storing thread information into e->aux.
6314 (free_all_edge_infos): Simplify now that e->aux is no longer
6315 used to communicate with thread_through_all_blocks.
6316 * tree-flow.h (thread_through_all_blocks): Update prototype.
6317 (register_jump_thread): Prototype.
6319 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6321 * df-core.c (df_compact_blocks, df_bb_replace): Use
6322 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6324 2006-01-11 Richard Guenther <rguenther@suse.de>
6326 PR tree-optimization/25734
6327 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6328 stop propagation after successful propagation to the LHS.
6330 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6332 * basic-block.h (control_flow_graph): Change the type of
6333 x_basic_block_info to VEC(basic_block,gc) *.
6334 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6335 basic_block_info.
6336 (SET_BASIC_BLOCK): New.
6337 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6338 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6339 * cfgbuild.c (find_basic_blocks): Likewise.
6340 * cfglayout.c (fixup_reorder_chain): Likewise.
6341 * cfgrtl.c (create_basic_block_structure,
6342 rtl_create_basic_block): Likewise.
6343 * ifcvt.c (find_if_case_1): Likewise.
6344 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6345 Likewise.
6347 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6349 * Makefile.in: Removed rotted odf.c entry.
6351 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6353 PR target/25706
6354 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6355 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6356 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6357 output pattern modifier, not %e.
6358 * config/cris/cris.c (cris_op_str): Update comment about pattern
6359 modifier.
6360 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6361 before falling through into...
6362 <case 'E'>: Redefined from old 'e' case.
6364 2006-01-11 Jan Hubicka <jh@suse.cz>
6366 PR target/25042
6367 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6369 2006-01-11 Jan Hubicka <jh@suse.cz>
6371 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6372 * i386.c (x86_decompose_lea): Kill.
6373 (ix86_rtx_costs): Kill.
6375 2006-01-11 Jan Hubicka <jh@suse.cz>
6377 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6378 * cgraph.h (cgraph_node): Add inline_decl.
6379 (cgraph_insert_node_to_hashtable): Declare.
6380 (save_inline_function_body): Declare.
6381 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6382 clones.
6383 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6384 (cgraph_function_versioning): Update call of tree_function_versioning.
6385 (save_inline_function_body): New function.
6386 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6387 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6388 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6389 (cgraph_default_inline_p): Likewise.
6390 (cgraph_decide_inlining_incrementally): Likewise.
6391 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6392 (copy_bb): Kill saving; do updating of clones.
6393 (copy_cfg_body): Kill saving.
6394 (initialize_inlined-parameters): Likewise.
6395 (expand_call_inline): Likewise.
6396 (save_body): Kill.
6397 (tree_function_versioning): New parameter "update_clones".
6398 (inlining_p): Kill saving.
6399 * tree-inline.h (tree_function_versioning): Update prototype.
6400 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6401 saving.
6403 2006-01-11 Ian Lance Taylor <ian@airs.com>
6405 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6406 Allow undoing set of machine mode.
6407 (do_SUBST): Use enums instead of is_int.
6408 (do_SUBST_MODE): New function.
6409 (SUBST_MODE): New macro.
6410 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6411 reg and trying to replace reg_regno_rtx with a new register.
6412 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6413 (simplify_set): Use SUBST_MODE.
6414 (distribute_notes): Remove code that tried to update reg notes
6415 for regno_reg_rtx changes.
6417 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6419 PR tree-optimization/23109
6420 PR tree-optimization/23948
6421 PR tree-optimization/24123
6423 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6424 * tree-cfg.c (single_noncomplex_succ): New.
6425 * tree-flow.h (single_noncomplex_succ): Declare it.
6426 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6427 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6428 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6429 insert_bb, register_division_in, insert_reciprocals,
6430 replace_reciprocal, free_bb): New.
6431 (execute_cse_reciprocals_1): Rewritten.
6432 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6433 Do not commit any edge insertion. Always compute dominators and
6434 create the allocation pool.
6435 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6436 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6437 * targhooks.c (default_min_divistions_for_recip_mul): New.
6438 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6439 * passes.c (init_optimization_passes): Run recip after tree loop
6440 optimizations.
6441 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6443 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6444 Kenneth Zadeck <zadeck@naturalbridge.com>
6446 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6447 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6448 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6449 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6450 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6451 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6452 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6453 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6454 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6455 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6456 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6457 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6458 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6459 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6460 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6461 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6462 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6463 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6464 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6465 DF_SCAN_POST_ALLOC): New macros.
6466 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6467 df_free_bb_function, df_local_compute_function, df_init_function,
6468 df_dataflow_function, df_confluence_function_0,
6469 df_confluence_function_n, df_transfer_function,
6470 df_finalizer_function, df_free_function, df_dump_problem_function,
6471 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6472 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6473 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6474 df_urec_bb_info, ) New types.
6475 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6476 variables.
6477 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6478 df_analyze_simple_change_some_blocks,
6479 df_analyze_simple_change_one_block, df_compact_blocks,
6480 df_bb_replace, df_bb_regno_last_use_find,
6481 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6482 df_insn_regno_def_p, df_find_def, df_find_use,
6483 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6484 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6485 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6486 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6487 debug_df_chain, df_get_dependent_problem, df_chain_create,
6488 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6489 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6490 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6491 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6492 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6493 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6494 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6495 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6496 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6497 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6498 df_reorganize_refs, df_set_state, df_hard_reg_init,
6499 df_read_modify_subreg_p) New public functions.
6500 * df-core.c: The core dataflow solver and glue routines for rtl
6501 dataflow.
6502 (df_init, df_add_problem, df_set_blocks, df_finish,
6503 df_hybrid_search_forward, df_hybrid_search_backward,
6504 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6505 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6506 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6507 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6508 df_reg_defined, df_find_use, df_reg_used, df_dump,
6509 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6510 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6511 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6512 debug_df_useno, reset_df_after_reload): New functions.
6513 * df-scan.c: The scanning fuctions, once in df.c, completely
6514 rewritten so that they now fully model the functionality of
6515 register usage at the backend.
6516 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6517 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6518 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6519 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6520 df_get_artificial_defs, df_get_artificial_uses,
6521 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6522 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6523 df_refs_delete, df_reorganize_refs, df_set_state,
6524 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6525 df_def_record_1, df_defs_record, df_uses_record,
6526 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6527 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6528 df_record_exit_block_uses, df_hard_reg_init): New functions.
6530 * df-problems.c: Seven concrete dataflow problems that use the
6531 scanning in df-scan.c and are solved by the engine in df-core.c.
6532 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6533 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6534 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6535 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6536 df_ru_free_bb_info, df_ru_alloc,
6537 df_ru_bb_local_compute_process_def,
6538 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6539 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6540 df_ru_transfer_function, df_ru_free, df_ru_dump,
6541 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6542 df_rd_free_bb_info, df_rd_alloc,
6543 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6544 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6545 df_rd_transfer_function, df_rd_free, df_rd_dump,
6546 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6547 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6548 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6549 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6550 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6551 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6552 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6553 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6554 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6555 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6556 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6557 df_urec_mark_reg_use_for_earlyclobber,
6558 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6559 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6560 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6561 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6562 df_chain_create_bb_process_use, df_chain_create_bb,
6563 df_chain_finalize, df_chain_free, df_chains_dump,
6564 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6565 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6566 df_reg_lifetime): New functions.
6567 * df.c: Deleted file.
6568 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6569 consistent with new df api.
6570 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6571 rest_of_handle_sms): Ditto.
6572 * web.c (unionfind_union, union_defs, entry_register, web_main):
6573 Ditto.
6574 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6575 invariant_expr_equal_p, find_defs, check_dependencies,
6576 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6577 free_inv_motion_data, move_loop_invariants): Ditto.
6578 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6579 Update dependencies.
6580 (odf.c): Added defective entry that was deleted later in day.
6581 * sched-deps.c (sched_analyze_1): Ditto.
6583 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6585 * tree-ssa-operands.c (get_expr_operands): Record addressable
6586 variables directly. Do not call add_stmt_operands for CONST_DECLs
6587 and ARRAY_DECLs.
6588 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6589 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6591 2006-01-11 Ben Elliston <bje@au.ibm.com>
6593 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6594 function returns true in the positive case.
6596 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6598 PR target/20754
6599 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6600 for SI, DI, SF and DF modes. Add alternatives to copy between
6601 general and floating point registers to the 32-bit patterns.
6602 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6603 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6604 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6605 generating 64-bit code.
6606 * config/pa/pa.c (output_move_double): Handle copies between general
6607 and floating registers.
6609 2006-01-10 Stuart Hastings <stuart@apple.com>
6611 * config/i386/i386.md (set_got): Update.
6612 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6613 (builtin_setjmp_receiver): Mach-O support.
6614 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6615 (GOT_SYMBOL_NAME): Define.
6616 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6617 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6618 * config/i386/i386.c (override_options): Revise for Darwin.
6619 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6620 support. (darwin_x86_file_end): New. (output_set_got): Add label
6621 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6622 * config/i386/i386-protos.h (output_set_got): Likewise.
6623 * config/darwin.c (machopic_legitimize_pic_address): Update
6624 regs_ever_live[].
6626 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6628 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6629 when MODE isn't BLKmode.
6631 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6633 PR rtl-optimization/25367
6634 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6636 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6638 PR target/25718
6639 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6640 for a negative bound.
6642 2006-01-10 Richard Guenther <rguenther@suse.de>
6644 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6645 Never override with anything constraint.
6647 2006-01-10 Jan Beulich <jbeulich@novell.com>
6649 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6650 256 bits when optimize_size.
6652 2006-01-10 Jan Beulich <jbeulich@novell.com>
6654 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6655 MASK_ALIGN_DOUBLE.
6656 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6657 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6658 arguments.
6660 2006-01-10 Ben Elliston <bje@au.ibm.com>
6662 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6663 float modes.
6664 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6665 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6666 (USE_FP_FOR_ARG): Reject decimal float modes.
6667 (function_arg_advance): Likewise.
6668 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6669 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6670 point types in AltiVec vectors.
6671 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6672 (rs6000_libcall_value): Likewise.
6674 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6676 * config/xtensa/ieee754-df.S: New file.
6677 * config/xtensa/ieee754-sf.S: New file.
6678 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6679 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6680 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6682 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6684 * config/sh/predicates.md (binary_float_operator,
6685 binary_logical_operator, commutative_float_operator,
6686 equality_comparison_operator, greater_comparison_operator,
6687 less_comparison_operator, logical_operator,
6688 noncommutative_float_operator, shift_operator,
6689 symbol_ref_operand, unary_float_operator): Remove redundant
6690 conditionals.
6692 2006-01-09 Jeff Law <law@redhat.com>
6694 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6695 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6696 now unused arguments. Callers updated.
6697 (eliminate_redundant_computations): Remove now unused arguments,
6698 callers updated.
6699 (local_fold): Remove, no longer used.
6700 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6701 and moved to...
6702 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6703 (simplify_cond): New function.
6704 (forward_propagate_into_cond): Call simplify_cond.
6706 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6708 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6709 (*vec_extractv2di_1_sse): New.
6711 2006-01-09 Ben Elliston <bje@au.ibm.com>
6713 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6715 2006-01-08 Richard Guenther <rguenther@suse.de>
6717 * tree-ssa-structalias.c (get_constraint_for): Remove
6718 anyoffset argument.
6719 (get_constraint_for_component_ref): Likewise.
6720 (do_deref): Likewise.
6721 (get_constraint_for): Likewise.
6722 (do_structure_copy): Likewise.
6723 (handle_ptr_arith): Likewise.
6724 (find_func_aliases): Likewise. Remove unused need_anyoffset
6725 variable.
6727 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6728 Kaz Kojima <kkojima@gcc.gnu.org>
6730 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6731 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6732 (EXTRA_CONSTRAINT_C16): Remove.
6733 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6734 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6735 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6736 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6737 constants of SHmedia. Handle nested constant expressions of
6738 SHmedia correctly.
6739 (andcosts): Fix the costs for SHmedia constants.
6740 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6741 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6742 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6743 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6744 (movv4hi_i, movv2si_i): Likewise.
6745 (movsi_const): Adjust the second operand of ior so to match with
6746 the Csu constraint.
6747 (movdi_const, movdi_const_32bit): Likewise.
6748 (movdi_const_16bit+1): Don't sign-extend LOW.
6749 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6750 step.
6751 (*double_shori): Fix the split condition. Use GEN_INT instead
6752 of get_int_mode calls. Mask lower 16-bit of the argument of
6753 the last GEN_INT.
6754 (sym2GOTPLT): Remove.
6755 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6756 gen_rtx_UNSPEC.
6757 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6758 instead of EXTRA_CONSTRAINT_C16.
6760 2006-01-07 Ian Lance Taylor <ian@airs.com>
6761 David Edelsohn <edelsohn@gnu.org>
6763 PR rtl-optimization/25662
6764 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6765 for constant operands instead of simplify_gen_binary.
6766 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6767 after trying simplify_binary_operation
6769 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6771 * tree.c (iterative_hash_expr): Hash decls based on UID.
6773 2006-01-06 Eric Christopher <echristo@apple.com>
6775 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6776 (TARGET_UNWIND_EMIT): Fix spelling.
6777 * target.h (gcc_target): Add except_table_label.
6778 * except.c (output_function_exception_table): Use.
6779 * varasm.c (default_emit_except_table_label): New.
6780 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6781 define.
6782 (asm_out): Add here.
6783 * output.h (default_emit_except_table_label): Prototype.
6784 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6785 * config/darwin.c (darwin_emit_except_table_label): Define.
6786 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6788 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6790 PR tree-optimization/18527
6791 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6792 number_of_iterations_special, number_of_iterations_exit):
6793 Move base and step of an iv to a single structure. Add
6794 no_overflow flag, and use it in # of iterations analysis.
6795 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6796 folded_casts argument.
6797 (simple_iv): Pass base and step in a structure. Set no_overflow
6798 flag.
6799 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6800 Evaluate expensiveness of computing # of iterations instead of
6801 the final expression.
6802 * tree-scalar-evolution.h (affine_iv): New structure.
6803 (simple_iv): Declaration changed.
6804 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6805 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6806 find_givs_in_stmt): Changed due to simple_iv change.
6808 2006-01-06 Jeff Law <law@redhat.com>
6810 PR ada/24994
6811 * tree-cfg.c (bsi_replace): Rename final argument from
6812 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6813 change (stmt -> orig_stmt).
6814 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6815 (bsi_remove): Add new argument. Remove EH information
6816 if requested.
6817 (verify_eh_throw_table_statements): New function.
6818 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6819 updated.
6820 * tree-optimize.c (execute_free_cfg_annotations): Verify
6821 the EH throw statement table after removing annotations.
6822 * except.h (verify_eh_throw_table_statements): Prototype.
6823 * tree-flow.h (bsi_remove): Update prototype.
6824 * tree-vrp.c (remove_range_assertions): Add new argument to
6825 bsi_remove call.
6826 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6827 * tree-complex.c (expand_complex_div_wide): Likewise.
6828 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6829 * tree-tailcall.c (eliminate_tailcall): Likewise.
6830 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6831 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6832 * tree-nrv.c (tree_nrv): Likewise.
6833 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6834 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6835 (combine_blocks): Likewise.
6836 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6837 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6838 (cleanup_control_flow): Likewise.
6839 (remove_forwarder_block): Likewise.
6840 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6841 * tree-sra.c (sra_replace): Likewise.
6842 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6843 (forward_propagate_single_use_vars): Likewise.
6844 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6845 * tree-inline.c (expand_call_inline): Likewise.
6846 * tree-vect-transform.c (vect_transform_loop): Likewise.
6847 * tree-outof-ssa.c (rewrite_trees): Likewise.
6848 * tree-cfg.c (make_goto_expr_edges): Likewise.
6849 (cleanup_dead_labels): Likewise.
6850 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6851 (bsi_move_before, bsi_move_after): Likewise.
6852 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6853 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6855 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6857 PR tree-opt/25528
6858 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6859 and IMAGPART_EXPR.
6860 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6861 on non gimple variables. Also add checks at the top for decls and
6862 mtags.
6863 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6864 complex types.
6865 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6866 and IMAGPART_EXPR for creating MUST_DEFs.
6867 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6868 and NAME_MEMORY_TAG separately from the DECLs.
6870 2006-01-06 Richard Guenther <rguenther@suse.de>
6872 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6873 annotation, if necessary.
6874 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6875 redundant calls to update_stmt.
6876 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6877 Likewise.
6879 2006-01-05 Richard Henderson <rth@redhat.com>
6881 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6883 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6885 * c-typeck.c: Update copyright date.
6887 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6889 * c-typeck.c (build_c_cast): Always warn when casting
6890 from a pointer to an integer of different size, even if
6891 the node was constant.
6893 2006-01-05 Richard Guenther <rguenther@suse.de>
6895 PR tree-optimization/22555
6896 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6897 if one structure field is an array.
6898 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6899 operands even if we found a subvar, but ignore VOPs in this
6900 case.
6901 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6902 for renaming.
6903 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6905 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6907 PR middle-end/24998
6908 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6910 2006-01-05 Richard Guenther <rguenther@suse.de>
6911 Diego Novillo <dnovillo@redhat.com>
6913 * tree-pass.h (TODO_remove_unused_locals): Define.
6914 * gimple-low.c (expand_var_p, remove_useless_vars,
6915 pass_remove_useless_vars): Remove. Update all users.
6916 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6917 (remove_unused_locals): New function.
6918 * tree-flow.h (remove_unused_locals): Declare.
6919 * passes.c (execute_todo): Call remove_unused_locals if
6920 TODO_remove_unused_locals is set.
6921 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6922 * tree-ssa-dce.c (pass_dce): Likewise.
6923 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6925 2006-01-05 Richard Guenther <rguenther@suse.de>
6927 * tree-flow.h (struct fieldoff): Decompose field to
6928 type, size and decl.
6929 * tree-ssa-alias.c (create_sft): Take type as parameter.
6930 (create_overlap_variables_for): Store type, size and decl
6931 in the fieldoff structure.
6932 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6933 of struct fieldoff.
6934 (push_fields_onto_fieldstack): Likewise.
6935 (create_variable_info_for): Likewise. Use offset for the
6936 SFT name if the decl is not available.
6938 2006-01-04 Paul Brook <paul@codesourcery.com>
6940 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6942 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6944 * lambda-code.c (can_put_in_inner_loop): Relax
6945 restrictions.
6946 (can_put_after_inner_loop): New function.
6947 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6948 (perfect_nestify): Change to make copies and modify uses.
6950 2006-01-04 Richard Henderson <rth@redhat.com>
6952 Merge from gomp branch:
6953 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6954 via integer constant.
6955 (pragma_lex): Remove.
6956 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6957 rather than parsing it.
6958 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6959 handle_pragma_extern_prefix): Add %< %> quotes.
6960 (registered_pragmas): New.
6961 (c_register_pragma_1): New.
6962 (c_register_pragma): Use it.
6963 (c_register_pragma_with_expansion): Likewise.
6964 (c_invoke_pragma_handler): New.
6965 (init_pragma): Use cpp_register_deferred_pragma directly for
6966 pch_preprocess.
6967 * c-pragma.h (enum pragma_kind): New.
6968 (pragma_handler): New.
6969 (c_invoke_pragma_handler): Declare.
6970 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6971 CPP_PRAGMA_EOL.
6972 * c-common.h (c_common_pch_pragma): Update decl.
6973 * Makefile.in (c-parser.o): Update dependencies.
6974 (GTFILES): Add c-pragma.h.
6975 * c-parser.c (struct c_token): Add pragma_kind.
6976 (struct c_parser): Add in_pragma.
6977 (c_lex_one_token): Always initialize keyword and pragma_kind.
6978 Extract data for CPP_PRAGMA.
6979 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6980 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6981 Don't allow CPP_PRAGMA_EOL if in_pragma.
6982 (c_parser_consume_pragma): New.
6983 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6984 (c_parser_skip_to_end_of_parameter): Likewise.
6985 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6986 (c_parser_skip_to_pragma_eol): New.
6987 (c_parser_external_declaration): Handle CPP_PRAGMA.
6988 (c_parser_compound_statement_nostart): Likewise.
6989 (c_parser_statement_after_labels): Likewise.
6990 (c_parser_pragma): New.
6991 (pragma_lex): Likewise.
6992 (c_parser_pragma_pch_preprocess): New.
6993 (c_parser_new): Merge into ...
6994 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6996 2006-01-04 Jeff Law <law@redhat.com>
6998 PR ada/24994
6999 * tree-cfg.c (bsi_replace): Remove the original statement
7000 from the EH throw statement table.
7002 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7004 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7005 make the prototype extern "C" and add throw ().
7007 PR target/25554
7008 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7009 and pos non-negative and pos + len <= 32.
7010 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7011 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7012 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7014 PR c/25559
7015 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7016 as well as sizes not multiple of component size.
7018 PR debug/25562
7019 * function.c (instantiate_expr): New function.
7020 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7021 walk its DECL_VALUE_EXPR with instantiate_expr.
7023 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7024 DW_OP_deref{,_size} if address isn't going to be added.
7026 2006-01-04 Ben Elliston <bje@au.ibm.com>
7028 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7029 * config/fp-bit.c: Likewise.
7031 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7033 * dominance.c: Add comment about why we use DFS numbering
7034 of dominance tree.
7036 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7037 Richard Henderson <rth@redhat.com>
7039 Merge from gomp-branch:
7040 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7041 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7043 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7045 PR rtl-optimization/25578
7046 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7047 pass a parameter to simplify_shift_const if changing ASHIFTRT
7048 to LSHIFTRT.
7050 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7052 * builtins.c (get_builtin_sync_mem): New function.
7053 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7054 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7055 Call get_builtin_sync_mem to generate mem rtx.
7057 2006-01-03 Richard Guenther <rguenther@suse.de>
7059 PR c/25183
7060 * stmt.c (add_case_node): Make sure to clear overflow flags
7061 from ranges.
7063 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7065 Merge from gomp-branch.
7066 * config/sparc/sync.md: New file.
7067 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7068 UNSPECV_LDSTUB): New constants.
7069 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7070 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7071 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7072 prototype.
7074 2006-01-03 Roger Sayle <roger@eyesopen.com>
7076 * combine.c (reg_subword_p): New predicate to test whether the
7077 destination of a set refers to a subword/piece of a register.
7078 (try_combine): Generalize the code to merge the setting of a
7079 pseudo to a constant followed by a set of a subword of that
7080 register to a constant.
7082 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7084 * basic-block.h (control_flow_graph): Change the type of
7085 x_label_to_block_map to VEC(basic_block,gc) *.
7086 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7087 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7089 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7090 VEC(basic_block,heap) *.
7091 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7092 ssa_prop_fini): Adjust the uses of cfg_blocks.
7094 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7096 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7097 COMPONENT_REFs.
7098 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7099 hashing trees instead of a pointer hash.
7100 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7101 compare for MEM_EXPR.
7103 PR rtl-optimization/25130
7104 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7105 when comparing MEMs for GCSE
7107 2006-01-03 Ben Elliston <bje@au.ibm.com>
7109 * targhooks.h (default_decimal_float_supported_p): Declare.
7110 * targhooks.c (default_decimal_float_supported_p): Define.
7111 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7112 `default_decimal_float_supported_p'.
7113 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7115 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7117 * combine.c (apply_distributive_law <SUBREG>): Check
7118 TRULY_NOOP_TRUNCATION.
7120 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7122 * dwarf2out.c (have_switched_text_section): Delete.
7123 (have_multiple_function_sections): New.
7124 (have_location_lists): Make 'bool'.
7125 (add_AT_loc_list): Use 'true' not '1'.
7126 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7127 (output_loc_list): Use have_multiple_function_sections.
7128 (output_ranges): Likewise.
7129 (dwarf2out_begin_function): Set have_multiple_function_sections if
7130 necessary.
7131 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7132 Check function_section rather than DECL_SECTION_NAME.
7133 (dwarf2out_finish): Use have_multiple_function_sections.
7134 Don't clear have_location_lists.
7136 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7137 Jan Hubicka <jh@suse.cz>
7139 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7140 case of conditional jump jumping to the next instruction.
7141 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7142 cases of conditional jump jumping to the next instruction.
7144 2006-01-02 Jan Hubicka <jh@suse.cz>
7146 * i386.c (*_cost): Add COSTS_N_INSNS.
7147 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7149 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7151 PR target/25259
7152 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7154 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7156 * config/arm/arm.c (all_fpus): Fix comment typo.
7157 * config/darwin.c: Likewise.
7158 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7159 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7160 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7162 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7164 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7165 (rs6000_split_compare_and_swapqhi): New.
7166 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7167 (sync_compare_and_swapqhi_internal): New.
7168 * config/rs6000/rs6000-protos.h: Declare.