| blob | 2a05ddb43f199a23ebefa38a20fe5a7dd283c85a |
1 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4 instead of GET_CODE() == MEM and REG_P() instead of
5 GET_CODE() == REG.
6 (print_operand_address): Likewise.
7 (vax_address_cost): Likewise.
8 (vax_rtx_costs): Likewise.
9 (vax_notice_update_cc): Likewise.
10 (vax_output_int_add): Likewise.
11 (INDEX_REGISTER_P): Likewise.
12 (BASE_REGISTER_P): Likewise.
13 (nonindexed_address_p): Likewise.
14 (vax_mode_dependent_address_p): Likewise.
15 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16 (PRINT_OPERAND): Likewise.
17 * config/vax/vax.md (ashlsi3): Likewise.
18 (ashlsi3): Likewise.
19 (some more unnamed insns): Likewise.
21 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
23 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
24 iterator-style macro.
25 (mark_control_dependent_edges_necessary): Update the use of
26 EXECUTE_IF_CONTROL_DEPENDENT.
28 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
30 * config/sh/predicates.md (cache_address_operand): Special.
31 (ua_address_operand): Likewise.
33 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
35 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
36 loop notes.
37 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
39 2006-03-15 Andreas Schwab <schwab@suse.de>
41 * gensupport.c (identify_predicable_attribute): Don't free p_false
42 when it is still in use.
44 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
46 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
47 the default setting here.
49 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
51 * tree-pass.h (pass_cfg): Remove.
52 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
53 * passes.c (pass_cfg): Don't run it.
55 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
57 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
58 * reg-stack.c (stack_regs_mentioned_data): Change the type to
59 VEC(char,heap) *.
60 (stack_regs_mentioned): Update the uses of
61 stack_regs_mentioned_data. Don't access the array beyond its
62 end.
63 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
64 Don't include gt-reg-stack.h.
66 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
67 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
69 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
71 PR middle-end/26684
72 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
73 STACK_REGS.
75 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
77 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
79 2006-03-14 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/26672
82 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
83 SSA form.
85 2006-03-14 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/26667
88 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
89 node for the callees. Always allow inlining if it will shrink
90 the function size.
92 2006-03-14 Richard Guenther <rguenther@suse.de>
94 PR middle-end/26659
95 * builtins.c (get_pointer_alignment): Prefer alignment
96 information from decls over that from types.
98 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
100 PR target/26657
101 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
103 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
105 * config/rs6000/rs6000.opt (mdlmzb): New option.
106 (msched-prolog, msched-epilog): Use Var not Mask.
107 * doc/invoke.texi (-mdlmzb): Document.
108 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
109 MASK_SCHED_PROLOG.
110 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
111 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
113 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
115 PR rtl-optimization/25739
116 * bt-load.c (augment_live_range): Free tos pointer.
118 * gensupport.c (identify_predicable_attribute): Free
119 p_false pointer.
120 * gcov.c (create_file_names): Free name pointer.
122 2006-03-13 Roger Sayle <roger@eyesopen.com>
124 PR middle-end/26557
125 * stmt.c (emit_case_nodes): Handle the case where the index is a
126 CONST_INT, where the comparison mode is specified by the index type.
128 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
130 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
131 is defined.
133 2006-03-13 Richard Sandiford <richard@codesourcery.com>
135 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
136 (*branch_fp_inverted): Likewise.
138 2006-03-13 Jakub Jelinek <jakub@redhat.com>
140 PR middle-end/25989
141 * omp-low.c (expand_omp_for_generic): Mark istart0
142 and iend0 as addressable.
144 2006-03-13 Jie Zhang <jie.zhang@analog.com>
146 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
148 2006-03-13 Jeff Law <law@redhat.com>
150 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
151 virtual operands are interesting.
152 (vrp_visit_stmt): Corresponding changes.
154 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
156 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
157 of RETS.
158 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
159 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
160 * config/bfin/crti.S: Use it instead of __PIC__.
161 * config/bfin/crtn.S: Likewise.
163 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
164 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
165 not if flag_pic.
166 Lose 'G' modifier for call operand.
167 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
168 recognize 'G' modifier.
170 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
172 PR middle-end/18859
173 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
174 * stmt.c (expand_case): Likewise.
176 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
178 PR rtl-optimization/26254
179 * loop-invariant.c (seq_insns_valid_p): New function.
180 (move_invariant_reg): Only emit new code if it is valid.
182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
184 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
185 Removed.
186 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
187 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
188 (commit_one_edge_insertion): Do not look for loop notes.
190 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
192 * jump.c (follow_jumps): Do not check for loop notes. Move check for
193 flag_test_coverage out of loop.
195 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
197 * final.c (shorten_branches): Remove outdated comment, and turn
198 the if branch that guards it to continue.
200 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
202 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
203 * cfgloop.h (struct loop): Remove unused fields.
205 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
207 * doc/invoke.texi (-fdump-rtl-loop): Remove.
208 (-dL, -fdump-rtl-loop2): Update the dump file names
210 * doc/invoke.texi: Update dump file names.
212 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
214 * predict.c (estimate_probability): Remove.
215 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
216 * basic-block.h (estimate_probability): Remove prototype.
217 * passes.c (finish_optimization_passes): Dump branch prediction or
218 profiling heuristics to the .profile tree dump.
219 (init_optimization_passes): Unqueue pass_branch_prob.
221 * doc/invoke.texi (-fdump-rtl-bp): Remove.
223 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
225 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
226 * rtl.h (LABEL_NEXTREF): Remove field accessor.
228 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
230 * function.h (frame_offset_overflow): Declare.
231 * function.c (frame_offset_overflow): New function.
232 (assign_stack_local_1): Call it to detect that the offset overflows.
233 * cfgexpand.c (alloc_stack_frame_space): Likewise.
235 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
237 * config/sh/sh.c: Include alloc-pool.h.
238 (label_ref_list_pool): New alloc pool.
239 (label_ref_list_t): New type for lists of labels.
240 (struct pool_node): Make wend a label_ref_list_t.
241 (add_constant): Use the new type, eradicate LABEL_NEXTREF
242 references.
243 (dump_table): Likewise.
244 (sh_reorg): Set up the alloc pool before using add_constant and
245 dump_table, and destroy it when finishing.
247 2006-03-11 Richard Sandiford <richard@codesourcery.com>
249 * config/mips/mips.c: Remove redundant comment.
251 2006-03-10 Jason Merrill <jason@redhat.com>
253 PR c/26004
254 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
255 the target was declared 'register'.
257 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
259 * genpreds.c (write_insn_constraint_len): Change definition of
260 insn_constraint_len to return size_t to match the declaration.
262 2006-03-10 DJ Delorie <dj@redhat.com>
264 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
265 start at zero.
266 (m32c_expand_insv): Fix test for an AND mask.
268 2006-03-10 Richard Guenther <rguenther@suse.de>
270 PR middle-end/26565
271 * builtins.c (get_pointer_alignment): Handle component
272 references for field alignment.
274 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
276 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
277 when building with libgloss.
278 (sh*elf): Implement --without-fp option.
279 (sh64-superh-linux*): Don't multilib.
281 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
283 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
285 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
287 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
288 Set it when one of the replacement functions returned true.
289 Return TODO_cleanup_cfg if cfgchanged is true.
290 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
292 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
294 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
295 instead of gen_lowpart.
297 2006-03-09 Richard Sandiford <richard@codesourcery.com>
299 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
300 interface.
301 (mips_output_order_conditional_branch): Declare.
302 * config/mips/mips.h (MIPS_BRANCH): New macro.
303 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
304 for the comparison. Use gen_condjump.
305 (mips_output_conditional_branch): Rework interface to take the
306 asm templates for a direct branch and the inverse of a direct branch.
307 (mips_output_order_conditional_branch): New function.
308 (mips_builtin_branch_and_move): New function.
309 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
310 branch condition. Use gen_single_cc as the condition for
311 __builtin_mips_upper_* or __builtin_mips_lower_*.
312 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
313 Use VOIDmode for the branch condition.
314 * config/mips/predicates.md (order_operator): New predicate.
315 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
316 (branch_fp): Rename to...
317 (*branch_fp): ...this. Remove mode from comparison operator.
318 Use new mips_output_conditional_branch interface.
319 (branch_fp_inverted): Rename to...
320 (*branch_fp_inverted): ...this and update as for *branch_fp.
321 (*branch_zero<mode>): Rename to...
322 (*branch_order<mode>): ...this. Remove mode from comparison operator.
323 Use mips_output_order_conditional_branch. Only accept ordered
324 comparisons.
325 (*branch_zero<mode>_inverted): Rename to...
326 (*branch_order<mode>_inverted): ...this and update as for
327 *branch_order<mode>.
328 (*branch_equality<mode>): Accept zero as the second operand to
329 the equality operator. Use the new mips_output_conditional_branch
330 interface.
331 (*branch_equality<mode>_inverted): Likewise.
332 (condjump): New expander.
333 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
334 operator.
335 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
336 (bc1any2t, bc1any2f): Likewise.
337 (single_cc): New expander.
338 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
340 2006-03-09 Richard Sandiford <richard@codesourcery.com>
342 * doc/md.texi: Update documentation of MIPS constraints.
343 * config/mips/constraints.md: New file.
344 * config/mips/mips.md: Include it.
345 * config/mips/mips.c (mips_char_to_class): Delete.
346 (override_options): Don't initialize mips_char_to_class.
347 * config/mips/mips.h (mips_char_to_class): Delete.
348 (REG_CLASS_FROM_LETTER): Delete.
349 (CONST_OK_FOR_LETTER_P): Delete.
350 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
351 (EXTRA_CONSTRAINT_Y): Delete.
352 (EXTRA_CONSTRAINT_STR): Delete.
353 (CONSTRAINT_LEN): Delete.
354 (EXTRA_MEMORY_CONSTRAINT): Delete.
356 2006-03-09 Diego Novillo <dnovillo@redhat.com>
358 * tree-cfg.c (move_block_to_fn): Remove the statements from the
359 original fn's eh regions.
361 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
363 * fold-const.c (build_range_check): Make sure to use a valid type to
364 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
365 transformation.
367 (range_predecessor): New static function.
368 (range_successor): Likewise.
369 (merge_ranges): Use them to compute predecessors and successors of
370 range bounds.
372 2006-03-09 Roger Sayle <roger@eyesopen.com>
374 PR middle-end/26561
375 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
376 X op C3, consider whether C3 overflows towards +Inf or -Inf.
378 2006-03-08 DJ Delorie <dj@redhat.com>
380 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
381 (addpsi3): Expand to include memory operands. Remove
382 reload-specific splits.
383 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
384 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
385 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
386 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
387 (shift1_qi, shift1_hi, insv): New.
388 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
389 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
390 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
391 cond_to_int): New.
392 * config/m32c/m32c-protos.h: Update as needed.
393 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
394 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
395 Fail for unrecognized R* constraints.
396 (m32c_cannot_change_mode_class): Be more picky about pseudos.
397 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
398 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
399 Add Sp constraint.
400 (m32c_init_libfuncs): New.
401 (m32c_legitimate_address_p): Add debug wrapper.
402 (m32c_rtx_costs): New.
403 (m32c_address_cost): New.
404 (conversions): Add 'B' prefix.
405 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
406 operands, or word regnames for QI operands. 'B' prints bit
407 position.
408 (m32c_expand_setmemhi): New.
409 (m32c_expand_movmemhi): New.
410 (m32c_expand_movstr): New.
411 (m32c_expand_cmpstr): New.
412 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
413 (m32c_expand_neg_mulpsi3): Handle non-ints.
414 (m32c_cmp_flg_0): New.
415 (m32c_expand_movcc): New.
416 (m32c_expand_insv): New.
417 (m32c_scc_pattern): New.
418 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
419 a0/a1 out of SIregs.
420 (STORE_FLAG_VALUE): New.
421 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
422 code macros.
423 (no_insn): New.
424 * config/m32c/mov.md: Make constraints more liberal.
425 (zero_extendqihi2): Optimize r0/r1 case.
426 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
427 * config/m32c/predicates.md (m32c_any_operand): New.
428 (m32c_nonimmediate_operand): New.
429 (m32c_hl_operand): New.
430 (m32c_r3_operand): New.
431 (ap_operand): New.
432 (ma_operand): New.
433 (memsym_operand): New.
434 (memimmed_operand): New.
435 (a_qi_operand): New.
436 (m32c_eqne_operator): New.
437 (m32c_1bit8_operand): New.
438 (m32c_1bit16_operand): New.
439 (m32c_1mask8_operand): New.
440 (m32c_1mask16_operand): New.
441 * config/m32c/blkmov.md: New file.
442 * config/m32c/t-m32c (MD_FILES): Add blkmov.
444 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
446 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
447 unsigned to fix signed/unsigned comparison issue in
448 DWARF2_FRAME_REG_OUT.
449 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
450 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
452 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
453 of ptr into the ENABLE_CHECKING section.
455 2006-03-08 Jeff Law <law@redhat.com>
457 * tree-vrp.c (infer_value_range): Only count pointer uses
458 and dereferences if -fdelete-null-pointer-checks is enabled.
460 * tree-vrp.c (find_assert_locations): Infer value ranges for
461 single use pointers, but do not create ASSERT_EXPRs for them.
462 When a non-null range is inferred for a pointer, backwards
463 propagate that range to other equivalent pointers through the
464 use-def chain.
466 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
468 PR bootstrap/26500
469 * Makefile.in (dvi, html, install-info): Invoke the corresponding
470 language hook targets.
471 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
472 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
473 if language hook targets were missing.
475 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
477 * tree-ssa-opfinalize.h: Removed.
478 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
479 dependency.
480 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
481 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
482 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
483 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
484 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
485 finalize_ssa_v_must_def_ops): New.
487 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
489 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
490 block as parameter.
492 2006-03-07 Geoffrey Keating <geoffk@apple.com>
494 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
496 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
497 addresses with offsets; reorganize.
499 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
500 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
501 (expand_builtin_init_dwarf_reg_sizes): Likewise.
503 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
505 PR target/26588
506 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
508 2006-03-08 Ben Elliston <bje@au.ibm.com>
510 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
512 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
514 PR gomp/26238
515 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
516 expansion.
518 2006-03-07 Richard Guenther <rguenther@suse.de>
520 PR tree-optimization/26587
521 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
523 2006-03-07 Richard Sandiford <richard@codesourcery.com>
525 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
527 2006-03-07 Richard Sandiford <richard@codesourcery.com>
529 * hooks.c (hook_bool_mode_rtx_true): New function.
530 * hooks.h (hook_bool_mode_rtx_true): Declare.
531 * toplev.c (compile_file): Call output_shared_constant_pool.
532 * varasm.c (shared_constant_pool): New variable.
533 (assemble_start_function, assemble_end_function): Remove arguments
534 from call to output_constant_pool.
535 (create_constant_pool): New function, split out from...
536 (init_varasm_status): ...here.
537 (force_const_mem): Choose between the shared and per-function constant
538 pools. Set current_function_uses_const_pool when reusing old entries
539 as well as when creating new ones.
540 (mark_constant): Ignore data argument.
541 (mark_constants): Remove pool argument.
542 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
543 to decide whether the function uses a constant pool.
544 (output_constant_pool_contents): New function, split out from...
545 (output_constant_pool): ...here.
546 (output_shared_constant_pool): New function.
547 (init_varasm_once): Initialize shared_constant_pool.
548 * output.h (output_constant_pool): Delete.
549 (output_shared_constant_pool): Declare.
550 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
551 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
553 2006-03-06 Nick Clifton <nickc@redhat.com>
555 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
556 flag_strength_reduce.
558 2006-03-06 Ben Elliston <bje@au.ibm.com>
560 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
561 x86_64-*-linux* configurations.
563 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
564 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
566 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
568 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
569 Remove.
570 * basic-block.h: Remove the extern for
571 rediscover_loops_after_threading.
573 * cfgloop.c (cancel_loop): Make it static.
574 * cfgloop.h: Remove the prototype for cancel_loop.
576 * flow.c (recompute_reg_usage): Make it static.
577 * rtl.h: Remove the prototype for recompute_reg_usage.
579 * function.c (use_return_register): Make it static.
580 * function.h: Remove the prototype.
582 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
584 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
585 Remove.
586 * recog.h: Remove the prototype for
587 validate_change_maybe_volatile.
589 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
591 * rtlanal.c (replace_reg): Remove.
592 * rtl.h: Remove the prototype for replace_reg.
594 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
596 * regclass.c (reg_scan_update): Remove.
597 (reg_scan_mark_refs): Remove the last argument.
598 * rtl.h: Remove the prototype for reg_scan_update.
600 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
602 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
603 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
604 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
605 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
606 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
607 loop-invariant.c, omp-low.c, opts.c, passes.c,
608 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
609 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
610 tree-ssa-structalias.c, tree-ssa-threadedge.c,
611 tree-ssa-threadupdate.c, tree-vect-patterns.c,
612 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
613 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
615 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
617 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
618 * dwarf2out.h: Remove the prototype for
619 dwarf2out_add_library_unit_info.
621 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
623 * tree.c (add_var_to_bind_expr): Remove.
624 * tree.h: Remove the prototype for add_var_to_bind_expr.
626 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
628 * regclass.c (n_non_fixed_regs): Remove.
629 (init_reg_sets_1, globalize_reg): Remove all uses of
630 n_non_fixed_regs.
631 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
633 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
635 * rtlanal.c (insns_safe_to_move_p): Remove.
636 * rtl.h: Remove the prototype for insns_safe_to_move_p.
638 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
640 * expmed.c (expand_mult_add): Remove.
641 * expr.h: Remove the prototype for expand_mult_add.
643 2006-03-04 Jakub Jelinek <jakub@redhat.com>
645 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
646 and REG_SAVED_VAL_EXP constants.
647 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
648 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
649 Handle regs stored by value.
650 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
651 (execute_cfa_program): Handle DW_CFA_val_offset,
652 DW_CFA_val_offset_sf and DW_CFA_val_expression.
653 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
654 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
655 (uw_install_context_1): Handle target regs stored by value.
657 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
659 * tree-sra.c (tree_sra): Return todoflags;
660 (generate_one_element): Set TODO_update_smt_usage if needed.
661 (pass_sra): Remove TODO_update_smt_usage.
662 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
663 parameter.
664 (tree_ssa_forward_propagate_single_use_vars): Return
665 TODO_update_smt_usage if we need to update SMT usage.
666 (pass_forwprop): Remove TODO_update_smt_usage.
668 2006-03-03 Diego Novillo <dnovillo@redhat.com>
670 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
671 (correct_use_link): Remove reference to get_stmt_operands.
672 (update_stmt_operands): Likewise.
673 (get_modify_expr_operands): New function factored out of
674 parse_ssa_operands and get_expr_operands.
675 Try to create V_MUST_DEFs for LHS by default.
676 (get_expr_operands) <case MODIFY_EXPR>: Call
677 get_modify_expr_operands.
678 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
679 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
680 (parse_ssa_operands) <case MODIFY_EXPR>: Call
681 get_modify_expr_operands.
683 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
685 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
686 * tree-flow.h: Remove the prototype for
687 referenced_var_lookup_if_exists.
689 2006-03-03 Steve Ellcey <sje@cup.hp.com>
691 PR rtl-optimization/26345
692 PR target/19061
693 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
695 2006-03-03 Roger Sayle <roger@eyesopen.com>
697 PR tree-optimization/26524
698 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
699 fold_convert to create a constant of the appropriate type.
701 2006-03-03 Richard Sandiford <richard@codesourcery.com>
703 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
704 SYMBOL_REF_IN_BLOCK_P.
705 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
706 of SYMBOL_FLAG_IN_BLOCK.
707 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
708 instead of SYMBOL_REF_IN_BLOCK_P.
709 * explow.c (use_anchored_address): Likewise.
710 * rtl.c (rtx_size): Likewise.
711 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
712 instead of SYMBOL_FLAG_IN_BLOCK.
713 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
714 SYMBOL_REF_IN_BLOCK_P.
715 (assemble_variable): Likewise.
716 (output_constant_def_contents): Likewise.
717 (output_constant_pool): Likewise.
718 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
719 instead of SYMBOL_FLAG_IN_BLOCK.
720 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
721 SYMBOL_REF_IN_BLOCK_P.
722 (SYMBOL_REF_BLOCK): Likewise.
723 (SYMBOL_REF_OFFSET): Likewise.
724 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
725 SYMBOL_REF_IN_BLOCK_P.
726 (SYMBOL_FLAG_IN_BLOCK): Replace with...
727 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
728 (SYMBOL_REF_IN_BLOCK_P): Replace with...
729 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
731 2006-03-03 Jakub Jelinek <jakub@redhat.com>
733 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
735 2006-03-02 Roger Sayle <roger@eyesopen.com>
737 * simplify-rtx.c (simplify_unary_operation): When simplifying
738 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
739 that we perform the right shift in the appropriate mode, and
740 then extend or truncate the result to requested mode.
742 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
744 * gengtype.c (main): Handle double_int type.
745 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
746 * double-int.c: New file.
747 * double-int.h: New file.
748 * system.h: Include doubleint.h.
749 * Makefile.in (SYSTEM_H): Include double-int.h.
750 (double-int.o): Add.
752 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
754 PR bootstrap/26478
755 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
756 copying over it.
758 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
760 * tree-vrp.c (remove_range_assertions): Do not update statements
761 unnecessarily.
763 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
765 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
766 cleanup.
767 * gcse.c (rest_of_handle_gcse): Ditto.
768 * except.c (gate_handle_eh): Ditto.
769 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
770 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
772 2006-03-02 Eric Christopher <echristo@apple.com>
774 * config/i386/i386.c (machopic_output_stub): Add indirection to
775 jump.
777 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
779 * loop.c: Removed.
781 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
783 Sun Niagara specific optimizations.
784 * config.gcc: Recognize niagara as target.
785 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
786 (TARGET_CPU_niagara): Define.
787 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
788 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
789 (CPP_CPU_SPEC): Handle -mcpu=niagara.
790 (ASM_CPU_SPEC): Likewise.
791 (PROCESSOR_NIAGARA): New enum entry.
792 (REGISTER_MOVE_COST): Handle Niagara.
793 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
794 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
795 (sparc_override_options): Recognize "niagara", set appropriate
796 default MASK_* values for it, and align functions to 32-bytes
797 by default just like ULTRASPARC/ULTRASPARC3.
798 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
799 (sparc64_initialize_trampoline): Likewise.
800 (sparc_use_sched_lookahead): Use zero for niagara.
801 (sparc_issue_rate): Use one for niagara.
802 * config/sparc/niagara.md: New file.
803 * config/sparc/sparc.md: Include it.
804 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
805 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
806 when default cpu is niagara.
807 (CPP_CPU_SPEC): Handle -mcpu=niagara.
808 (ASM_CPU_SPEC): Likewise.
809 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
810 when default cpu is niagara.
811 (ASM_CPU_SPEC): Handle -mcpu=niagara.
812 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
813 just like v9/ultrasparc/ultrasparc3.
814 * doc/invoke.texi: Add documentation for "niagara" and improve
815 existing documentation for ultrasparc variants.
817 2006-03-02 Diego Novillo <dnovillo@redhat.com>
819 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
821 2006-03-02 Richard Sandiford <richard@codesourcery.com>
823 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
824 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
825 and say that only one is needed.
826 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
827 * target.h (have_switchable_bss_sections): New hook.
828 * explow.c (use_anchored_address): Check that the symbol is in a block.
829 * varasm.c (tls_comm_section, comm_section, lcomm_section)
830 (bss_noswitch_section): New variables.
831 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
832 (get_noswitch_section): New function.
833 (get_block_for_section): Allow SECT to be null.
834 (unlikely_text_section_p): Use SECTION_STYLE.
835 (bss_initializer_p): New function.
836 (get_variable_section): Move earlier in file. Take a new argument,
837 prefer_noswitch_p. Move bss checks from assemble_variable to here.
838 Return one of the new *_sections in such cases.
839 (get_block_for_decl): New function, extracting some logic from
840 use_blocks_for_decl_p.
841 (change_symbol_section): Remove in favor of...
842 (change_symbol_block): ...this new function.
843 (use_blocks_for_decl_p): Remove checks now performed by
844 get_block_for_decl.
845 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
846 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
847 (emit_local, emit_bss, emit_common): ...these new functions.
848 Return true if the alignment was honored.
849 (emit_tls_common): New function.
850 (asm_emit_uninitialised): Delete.
851 (assemble_variable_noswitch): New function, split out from...
852 (assemble_variable): ...here. Don't make decisions about common
853 variables here. Globalize all public decls that go into non-common
854 sections. Check whether SYMBOL_REF_BLOCK is null.
855 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
856 (output_constant_pool): Likewise.
857 (init_varasm_once): Initialize the new section variables.
858 (have_global_bss_p): New function.
859 (categorize_decl_for_section): Use bss_initializer_p.
860 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
861 (place_block_symbol): Assert that the symbol must be in a block.
862 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
863 (TARGET_INITIALIZER): Include it.
864 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
865 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
866 (SECTION_MACH_DEP): Bump by two.
867 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
868 (unnamed_section): Mention SECTION_UNNAMED in comment.
869 (named_section): Likewise SECTION_NAMED.
870 (noswitch_section_callback): New type.
871 (noswitch_section): New structure.
872 (section): Add a noswitch_section alternative.
873 (SECTION_STYLE): New macro.
874 (tls_comm_section, comm_section, lcomm_section): Declare.
875 (bss_noswitch_section, have_global_bss_p): Declare.
876 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
877 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
878 Override.
879 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
880 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
881 Override.
883 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
885 * gcc/tree-vrp.c (execute_vrp): Return value.
886 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
887 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
888 * gcc/tree-complex.c (tree_lower_complex): Ditto.
889 (tree_lower_complex_O0): Ditto.
890 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
891 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
892 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
893 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
894 (execute_tail_calls): Ditto.
895 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
896 * gcc/tree.h (init_function_for_compilation): Ditto.
897 * gcc/ipa-cp.c (ipcp_driver): Ditto.
898 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
899 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
900 * gcc/final.c (compute_alignments): Ditto.
901 (rest_of_handle_final): Ditto.
902 (rest_of_handle_shorten_branches): Ditto.
903 (rest_of_clean_state): Ditto.
904 * gcc/omp-low.c (execute_expand_omp): Ditto.
905 (execute_lower_omp): Ditto.
906 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
907 * gcc/ipa-reference.c (static_execute): Ditto.
908 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
909 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
910 (rest_of_handle_machine_reorg): Ditto.
911 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
912 * gcc/flow.c (recompute_reg_usage): Ditto.
913 (rest_of_handle_remove_death_notes): Ditto.
914 (rest_of_handle_life): Ditto.
915 (rest_of_handle_flow2): Ditto.
916 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
917 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
918 (do_ssa_store_ccp): Ditto.
919 (execute_fold_all_builtins): Ditto.
920 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
921 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
922 * gcc/ipa-pure-const.c (static_execute): Ditto.
923 * gcc/cse.c (rest_of_handle_cse): Ditto.
924 (rest_of_handle_cse2): Ditto.
925 * gcc/web.c (rest_of_handle_web): Ditto.
926 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
927 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
928 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
929 * gcc/tree-nrv.c (tree_nrv): Ditto.
930 (execute_return_slot_opt): Ditto.
931 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
932 (create_structure_vars): Ditto.
933 * gcc/loop-init.c (rtl_loop_init): Ditto.
934 (rtl_loop_done): Ditto.
935 (rtl_move_loop_invariants): Ditto.
936 (rtl_unswitch): Ditto.
937 (rtl_unroll_and_peel_loops): Ditto.
938 (rtl_doloop): Ditto.
939 * gcc/gimple-low.c (lower_function_body): Ditto.
940 (mark_used_blocks): Ditto.
941 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
942 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
943 (cgraph_early_inlining): Ditto.
944 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
945 * gcc/jump.c (cleanup_barriers): Ditto.
946 (purge_line_number_notes): Ditto.
947 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
948 (rest_of_handle_if_after_reload): Ditto.
949 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
950 (tree_ssa_loop_im): Ditto.
951 (tree_ssa_loop_unswitch): Ditto.
952 (tree_vectorize): Ditto.
953 (tree_linear_transform): Ditto.
954 (tree_ssa_loop_ivcanon): Ditto.
955 (tree_ssa_empty_loop): Ditto.
956 (tree_ssa_loop_bounds): Ditto.
957 (tree_complete_unroll): Ditto.
958 (tree_ssa_loop_prefetch): Ditto.
959 (tree_ssa_loop_ivopts): Ditto.
960 (tree_ssa_loop_done): Ditto.
961 * gcc/predict.c (tree_estimate_probability): Ditto.
962 * gcc/recog.c (split_all_insns_noflow): Ditto.
963 (rest_of_handle_peephole2): Ditto.
964 (rest_of_handle_split_all_insns): Ditto.
965 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
966 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
967 (rest_of_handle_stack_adjustments): Ditto.
968 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
969 * gcc/function.c (instantiate_virtual_regs): Ditto.
970 (init_function_for_compilation): Ditto.
971 (rest_of_handle_check_leaf_regs): Ditto.
972 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
973 (rest_of_handle_gcse): Ditto.
974 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
975 * gcc/alias.c (rest_of_handle_cfg): Ditto.
976 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
977 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
978 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
979 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
980 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
981 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
982 * gcc/except.c (set_nothrow_function_flags): Ditto.
983 (convert_to_eh_region_ranges): Ditto.
984 (rest_of_handle_eh): Ditto.
985 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
986 (remove_unnecessary_notes): Ditto.
987 * gcc/except.h (set_nothrow_function_flags): Ditto.
988 (convert_to_eh_region_ranges): Ditto.
989 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
990 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
991 * gcc/tree-ssa-pre.c (do_pre): Ditto.
992 (execute_fre): Ditto.
993 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
994 (rest_of_handle_jump2): Ditto.
995 * gcc/tree-sra.c (tree_sra): Ditto.
996 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
997 (execute_mudflap_function_decls): Ditto.
998 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
999 (do_store_copy_prop): Ditto.
1000 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1001 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1002 * gcc/tree-ssa-forwprop.c
1003 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1004 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1005 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1006 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1007 (execute_late_warn_uninitialized): Ditto.
1008 * gcc/rtl.h (cleanup_barriers): Ditto.
1009 (split_all_insns_noflow): Ditto.
1010 (purge_line_number_notes): Ditto.
1011 (unshare_all_rtl): Ditto.
1012 (remove_unnecessary_notes): Ditto.
1013 (recompute_reg_usage): Ditto.
1014 (variable_tracking_main): Ditto.
1015 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1016 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1017 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1018 (execute_free_cfg_annotations): Ditto.
1019 (execute_fixup_cfg): Ditto.
1020 (execute_cleanup_cfg_pre_ipa): Ditto.
1021 (execute_cleanup_cfg_post_optimizing): Ditto.
1022 (execute_init_datastructures): Ditto.
1023 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1024 * gcc/combine.c (rest_of_handle_combine): Ditto.
1025 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1026 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1027 (rest_of_handle_reorder_blocks): Ditto.
1028 (rest_of_handle_partition_blocks): Ditto.
1029 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1030 * gcc/tree-profile.c (tree_profiling): Ditto.
1031 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1032 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1033 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1034 (rest_of_handle_sched2): Ditto.
1035 * gcc/basic-block.h (free_bb_insn): Ditto.
1036 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1037 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1038 (remove_useless_stmts): Ditto.
1039 (split_critical_edges): Ditto.
1040 (execute_warn_function_return): Ditto.
1041 (execute_warn_function_noreturn): Ditto.
1042 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1043 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1044 * gcc/passes.c (execute_one_pass): Run additional
1045 todos returned by execute function.
1046 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1047 return a value.
1049 2006-03-02 Richard Guenther <rguenther@suse.de>
1051 * tree-ssa-alias.c (find_used_portions): Consider taking
1052 the address as making the variable not write-only.
1054 2006-03-02 Nick Clifton <nickc@redhat.com>
1056 * config.gcc (default_use_cxa_atexit): Extend the description of
1057 this configure variable. Set its default value to "yes" for
1058 Linux, NetBSD and ELF targets on the assumption that they will
1059 use C libraries with the __cxa_atexit function.
1061 2006-03-02 Ben Elliston <bje@au.ibm.com>
1063 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1064 parameter as unused to suppress a build warning.
1066 2006-03-02 Ben Elliston <bje@au.ibm.com>
1068 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1069 config/dfp-bit.c.
1071 2006-03-01 Roger Sayle <roger@eyesopen.com>
1073 PR other/26489
1074 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1075 declared name, the weak reference name, and the typeof name.
1076 (__gthrw): Avoid expanding the declared name suffix.
1077 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1079 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1081 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1082 from DWARF 3.
1083 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1084 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1085 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1086 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1087 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1088 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1089 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1090 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1091 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1092 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1093 (DW_END_default, DW_END_big, DW_END_little): New.
1094 (DW_END_lo_user, DW_END_hi_user): Define.
1095 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1096 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1097 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1098 DW_LANG_D): New.
1100 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1102 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1103 Update all users.
1104 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1105 Update all users.
1106 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1107 Update all users.
1108 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1109 Update all users.
1110 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1111 to 'symbol_mem_tag'.
1112 Update all users.
1113 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1114 rename.
1116 2006-03-01 Roger Sayle <roger@eyesopen.com>
1118 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1120 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1122 PR target/25761
1123 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1124 MACHO_DYNAMIC_NO_PIC_P.
1125 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1127 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1129 PR target/26389
1130 * config/darwin-protos.h (darwin_asm_output_anchor):
1131 Declare.
1132 * config/darwin-sections.def (cstring_section):
1133 Add SECTION_MERGE to the flags.
1134 (literal4_section): Likewise.
1135 (literal8_section): Likewise.
1136 (objc_selector_refs_section): Likewise.
1137 (objc_cls_refs_section): Likewise.
1138 * config/darwin.c (darwin_asm_output_anchor): New
1139 function.
1140 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1142 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1144 Fix PR tree-optimization/26443
1145 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1146 to todo and PROP_tmt_usage to properties_destroyed.
1147 * tree-ssa-ccp.c (pass_ccp): Ditto.
1148 (pass_store_ccp): Ditto.
1149 * tree-ssa-dom.c (pass_dominator): Ditto.
1151 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1153 * tree-ssa-operands.c: Cleanup whitespace.
1154 (get_asm_expr_operands): Move before first invocation.
1155 (get_indirect_ref_operands): Likewise.
1156 (get_tmr_operands): Likewise.
1157 (get_call_expr_operands): Likewise.
1158 (append_def): Likewise.
1159 (append_use): Likewise.
1160 (append_v_may_def): Likewise.
1161 (append_v_must_def): Likewise.
1162 (add_call_clobber_ops): Likewise.
1163 (add_call_read_ops): Likewise.
1164 (add_stmt_operand): Likewise.
1165 (add_virtual_operand): Likewise.
1166 (build_ssa_operands): Likewise.
1168 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1170 PR middle-end/26022
1171 Revert:
1172 PR middle-end/24437
1173 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1174 with a call expr to ...
1175 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1177 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1179 * tree-vrp.c (extract_range_from_assert): Remove special
1180 handling for types with super-types.
1182 2006-03-01 Ben Elliston <bje@au.ibm.com>
1184 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1185 and powerpc64-*-linux* configurations.
1186 * config/t-dfprules: New file.
1188 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1189 Compile dfp-bit.c from the source directory using -DWIDTH and
1190 $DFP_CFLAGS to control the compilation of that file, rather than
1191 generating width-specific versions in the build directory.
1192 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1193 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1195 2006-02-28 Zack Weinberg <zackw@panix.com>
1197 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1198 continues to work.
1200 2006-02-28 Eric Christopher <echristo@apple.com>
1202 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1203 Set up IN_LIBGCC definition of TARGET_64BIT.
1204 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1206 2006-02-28 Roger Sayle <roger@eyesopen.com>
1208 PR middle-end/14752
1209 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1210 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1211 cases via the construction of "expr != 0".
1213 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1215 * alias.c (alias_invariant, alias_invariant_size): Remove.
1216 (record_base_value): Remove.
1217 (memrefs_conflict_p): Don't look at alias_invariant.
1218 (end_alias_analysis): Don't free it.
1219 * alias.h (record_base_value): Remove prototype.
1221 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1222 Adam Nemet <anemet@caviumnetworks.com>
1224 * rtl.h (truncated_to_mode): Declare it.
1225 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1226 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1227 (RTL_HOOKS_INITIALIZER): Include it.
1228 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1229 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1230 reg_truncated_to_mode.
1231 * rtlanal.c (truncated_to_mode): Define it.
1232 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1234 2006-02-28 Jeff Law <law@redhat.com>
1236 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1237 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1238 the range allowed by TYPE_PRECISION.
1240 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1242 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1244 PR tree-optimization/26419
1245 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1246 values of n.
1248 2006-02-27 Zack Weinberg <zackw@panix.com>
1250 * doc/md.texi: Fix typo in previous change.
1252 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1254 * df.c: Remove.
1256 2006-02-27 Zack Weinberg <zackw@panix.com>
1258 * rtl.def (define_constraint, define_register_constraint)
1259 (define_memory_constraint, define_address_constraint): New MD forms.
1260 * gensupport.c (process_rtx): Put define_constraint etc on the
1261 predicate queue.
1262 * genpreds.c (process_define_predicate): Adjust comment. Validate
1263 the name, and call validate_exp to validate the expression.
1264 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1265 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1266 all callers changed.
1267 (validate_exp, needs_variable, struct constraint_data)
1268 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1269 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1270 (const_dbl_constraints, constraint_max_namelen)
1271 (have_register_constraints, have_memory_constraints)
1272 (have_address_constraints, have_address_constraints)
1273 (have_extra_constraints, have_const_int_constraints)
1274 (have_const_dbl_constraints, mangle, add_constraint)
1275 (process_define_constraint, process_define_register_constraint)
1276 (write_enum_constraint_num, write_lookup_constraint)
1277 (write_insn_constraint_len, write_regclass_for_constraint)
1278 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1279 (write_insn_extra_memory_constraint)
1280 (write_insn_extra_address_constraint)
1281 (write_satisfies_constraint_fns): New.
1282 (write_tm_preds_h): If we have new-style constraint definitions,
1283 prototype the functions generated from them, and define the
1284 old constraint interface (still used by generic code) in terms of
1285 those functions.
1286 (write_insn_preds_c): If we have new-style constraint definitions,
1287 generate all relevant functions from those definitions.
1288 (main): Handle define_constraint etc.
1289 * genoutput.c (struct constraint_data, indep_constraints)
1290 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1291 (mdep_constraint_len): New data structures and functions, defined
1292 #ifdef USE_MD_CONSTRAINTS.
1293 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1294 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1295 use new logic to validate operand constraints against constraint
1296 definitions.
1297 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1298 defined.
1299 * defaults.h: If none of the old-style constraint macros are
1300 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1301 old-style macros; and poison REG_CLASS_FROM_LETTER,
1302 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1303 EXTRA_CONSTRAINT.
1304 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1305 * doc/md.texi: Document new constraint-definition mechanism and the
1306 C interface it provides. Remove references to old mechanism
1307 elsewhere in the document.
1308 (Machine Constraints): Use pathnames relative to gcc directory,
1309 i.e. config/ARCH/FILE. Change i386 section to refer to
1310 config/i386/predicates.md; update that section to match docstrings.
1311 * doc/tm.texi: Move all documentation of the old constraint-
1312 definition macros to their own section, clearly mark as obsolete.
1314 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1315 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1316 definitions.
1317 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1318 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1319 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1320 constraint strings.
1321 (splits and peepholes): Use satisfies_constraint_*.
1322 * config/i386/i386.c (memory_address_length)
1323 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1325 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1327 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1328 scalar operation to be put back into the loop.
1330 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1332 PR other/26208
1333 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1334 (extract_cie_info): Handle S flag in augmentation string.
1335 (execute_cfa_program): If context->signal_frame, execute also
1336 fs->pc == context->ra instructions.
1337 (uw_frame_state_for): If context->signal_frame, don't subtract one
1338 from context->ra to find FDE.
1339 (uw_update_context_1): Set context->signal_frame to
1340 fs->signal_frame.
1341 (_Unwind_GetIPInfo): New function.
1342 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1343 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1344 of _Unwind_GetIP.
1345 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1346 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1347 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1348 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1349 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1350 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1351 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1352 x86_64_fallback_frame_state): Set fs->signal_frame.
1353 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1354 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1355 (frob_update_context): Likewise. Workaround missing S flag in
1356 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1357 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1358 Remove the psw_addr + 1 hack.
1360 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1362 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1363 with aggregates here.
1364 (find_func_aliases): Remove code for &<aggregate> from here.
1366 2006-02-26 Roger Sayle <roger@eyesopen.com>
1368 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1369 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1370 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1371 as (X & C) ne/eq 0.
1373 2006-02-26 Roger Sayle <roger@eyesopen.com>
1375 PR middle-end/19983
1376 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1378 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1380 * opts.c (decode_options): Do not handle flag_strength_reduce.
1381 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1382 and OPT_fstrength_reduce.
1383 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1384 flag_prefetch_loop_arrays for being nonzero.
1385 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1386 no-ops.
1387 (fprefetch-loop-arrays-rtl): Removed.
1388 (flag_prefetch_loop_arrays): Do not specify the value.
1390 * doc/passes.texi: Update documentation of loop optimizer
1391 passes.
1392 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1393 -frerun-loop-opt): Remove.
1395 2006-02-26 Richard Guenther <rguenther@suse.de>
1397 PR tree-optimization/26421
1398 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1399 in function calls that are ADDR_EXPRs as using the whole structure.
1401 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1403 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1404 * tree-pass.h (pass_loop_optimize): Remove.
1405 * passes.c (pass_loop_optimize): Never run it.
1406 * toplev.c (backend_init): Don't call init_loop.
1407 * opts.c (flag_loop_optimize_set): Remove.
1408 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1409 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1410 the old RTL loop optimizer when profiling enabled.
1411 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1412 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1413 pre-headers for the sake of the old RTL loop optimizer.
1414 * Makefile.in: Remove all references to loop.o.
1416 * doc/invoke.texi: Remove all references to -floop-optimize
1417 and -frerun-loop-opt.
1419 2006-02-26 Zack Weinberg <zackw@panix.com>
1421 * doc/md.texi (Machine Constraints): Refer to all files with paths
1422 relative to gcc directory (i.e. config/CPU/file). Add missing
1423 @table @code ... @end table to M32C subsection.
1425 2006-02-26 Roger Sayle <roger@eyesopen.com>
1427 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1428 (X & 1) == 0.
1429 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1431 2006-02-26 Roger Sayle <roger@eyesopen.com>
1432 James A. Morrison <phython@gcc.gnu.org>
1434 PR middle-end/21137
1435 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1436 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1437 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1438 signedness of the shift operation.
1440 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1442 PR tree-optimization/26359
1443 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1445 2006-02-25 Roger Sayle <roger@eyesopen.com>
1447 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1448 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1449 as X == 0, and some symmetry related transformations.
1450 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1452 2006-02-25 Roger Sayle <roger@eyesopen.com>
1454 PR middle-end/23673
1455 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1456 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1457 symmetry related transformations. Fold (X^C1) == C2 as
1458 X == (C1^C2).
1460 2006-02-25 Juergen Weigert <jw@suse.de>
1461 Richard Guenther <rguenther@suse.de>
1463 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1465 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1467 * combine.c (gen_lowpart_or_truncate): Call
1468 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1470 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1472 * doc/invoke.texi: Move -fopenmp description to "Options for
1473 Code Generation".
1474 Remove reference to -lgomp.
1476 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1478 * doc/install.texi: Require GNU tar version 1.14.
1480 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1482 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1483 * doc/invoke.texi (C++ Dialect Options): Document
1484 -fno-use-cxa-get-exception-ptr.
1485 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1486 * configure: Regenerate.
1487 * c.opt (fuse-cxa-get-exception-ptr): New.
1488 * c-opts.c (c_common_handle_option): Handle
1489 OPT_fuse_cxa_get_exception_ptr.
1490 * c-common.c (flag_use_cxa_atexit): Update documentation.
1491 (flag_use_cxa_get_exception_ptr): New.
1492 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1493 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1494 documentation.
1495 (C_COMMON_OVERRIDE_OPTIONS): New.
1497 2006-02-24 Roger Sayle <roger@eyesopen.com>
1499 PR middle-end/24952
1500 * combine.c (try_combine): Explicitly check whether GET_CODE is
1501 a SET or a CLOBBER, instead on checking that it isn't a USE.
1503 2006-02-24 Roger Sayle <roger@eyesopen.com>
1505 * fold-const.c (fold_comparison): New subroutine of fold_binary
1506 containing transformations common to both the equality and
1507 ordering relational operators, factored out of fold_binary.
1508 (fold_binary): Separate out the equality operators (EQ_EXPR
1509 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1510 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1511 transformations common to both.
1512 (fold_div_compare): Fix latent bugs in the previously unreachable
1513 LT_EXPR and GE_EXPR cases.
1515 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1517 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1518 decl libname for clog to __clog on AIX.
1520 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1522 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1524 PR target/26453
1525 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1526 output traceback table for thunks. Localise rs6000_stack_info call.
1528 2006-02-23 Roger Sayle <roger@eyesopen.com>
1529 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1531 * gthr-posix.h (__gthrw): Fix typo in comment.
1533 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1535 * doc/cpp.texi (Character sets): Document that we do support
1536 input files to be in any character set.
1538 2006-02-23 Jeff Law <law@redhat.com>
1540 * tree.h (PHI_ARG_NONZERO): Remove.
1541 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1542 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1543 node to the new node.
1545 PR tree-optimization/26425
1546 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1547 min/max, then assume its varying.
1549 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1551 PR rtl-optimization/26316
1552 * rtlanal.c (enum may_trap_p_flags): New.
1553 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1554 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1555 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1556 (may_trap_after_code_motion_p): New function.
1557 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1558 (find_invariant_insn): Use may_trap_after_code_motion_p.
1559 * rtl.h (may_trap_after_code_motion_p): Declare.
1561 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1563 * emit-rtl.c (immed_double_const): Cleanup.
1565 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1567 Fix PR tree-optimization/26376
1568 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1569 remove assert.
1571 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1573 PR middle-end/26412
1574 * gimplify.c (omp_add_variable): Guard variable size decl test with
1575 DECL_SIZE (decl) check.
1577 2006-02-23 Richard Guenther <rguenther@suse.de>
1579 PR middle-end/26439
1580 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1581 like aggregate types.
1583 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1585 * configure.ac: Add --with{,out}-long-double-128 configure option.
1586 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1587 * configure: Rebuilt.
1588 * config.in: Rebuilt.
1589 * doc/install.texi (Options specification): Document
1590 --with-long-double-128.
1592 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1593 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1594 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1595 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1597 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1599 * config/s390/s390.c (override_options): Handle
1600 TARGET_DEFAULT_LONG_DOUBLE_128.
1602 * config/alpha/alpha.c (override_options): Handle
1603 TARGET_DEFAULT_LONG_DOUBLE_128.
1605 * config/sparc/sparc.c (sparc_override_options): Handle
1606 TARGET_DEFAULT_LONG_DOUBLE_128.
1608 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1610 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1611 (real-install-headers-tar, real-install-headers-cpio)
1612 (real-install-headers-cp): New targets.
1614 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1616 * tree.h (variable_section): Delete.
1617 * varasm.c (variable_section): Delete.
1619 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1621 * install.texi: Add notes on install.texi2html.
1622 (Building in parallel): Do not use footnotes.
1624 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1626 PR libgomp/26234
1627 * doc/install.texi (Configuration): Document --disable-libgomp.
1629 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1631 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1633 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1635 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1636 (vec_extractv2df_0_sse): New.
1638 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1640 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1641 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1642 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1643 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1644 to the result of the expression.
1645 (def_cfa_1): Adjust.
1646 (frame_pointer_cfa_offset): Rename to...
1647 (frame_pointer_fb_offset): ... this. Adjust all uses.
1648 (convert_cfa_to_loc_list): Rename to...
1649 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1650 Pass it on to build_cfa_loc.
1651 (compute_frame_pointer_to_cfa_displacement): Rename to...
1652 (compute_frame_pointer_to_fb_displacement): ... this. New
1653 offset parameter. Use it in computation.
1654 (gen_subprogram_die): Compute cfa_fb_offset with the new
1655 macro, and use it to compute the fb loc list and the
1656 displacement.
1658 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1660 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1661 replaced with register_operand.
1662 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1663 non-DREG is expensive.
1664 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1665 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1666 involving memory.
1668 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1670 * doc/install.texi2html: Use set -e.
1672 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1674 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1675 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1676 * doc/invoke.texi (-fshared-data): Delete.
1677 * common.opt (fshared-data): Delete.
1678 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1679 (assemble_static_space): Remove #if 0 code.
1680 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1681 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1682 * config/cris/cris.h: Remove FIXME.
1684 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1686 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1687 hooks.
1689 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1691 PR middle-end/26379
1692 * combine.c (simplify_shift_const_1): Disable nested shifts
1693 optimization for vector shifts.
1695 2006-02-20 Roger Sayle <roger@eyesopen.com>
1697 PR tree-optimization/26361
1698 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1699 of unsigned integer types.
1701 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1703 * tree-chrec.c (eq_evolutions_p): New.
1704 * tree-chrec.h (eq_evolutions_p): Declared.
1705 * tree-data-ref.c: Fix formatting.
1706 (datadep_stats, dependence_stats): New.
1707 (gcd): Moved...
1708 (print_direction_vector): New.
1709 (dump_data_dependence_relation): Use print_direction_vector.
1710 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1711 (compute_subscript_distance): Static.
1712 (initialize_data_dependence_relation): Static. Get the number
1713 of loops surrounding the references from the callers, and initialize
1714 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1715 base_object_differ_p analyzers.
1716 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1717 compute_overlap_steps_for_affine_1_2,
1718 analyze_subscript_affine_affine): Count the classified dependences.
1719 Print a message when a test failed.
1720 (can_use_analyze_subscript_affine_affine): New.
1721 (analyze_siv_subscript): Compute the data dependences on symbolic
1722 scevs that verify can_use_analyze_subscript_affine_affine.
1723 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1724 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1725 Handle symbolic scevs.
1726 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1727 analyzed.
1728 (subscript_dependence_tester): Moved...
1729 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1730 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1731 DDR_SIZE_VECT instead of getting it in parameter.
1732 (subscript_dependence_tester): ... here. Take as a parameter
1733 loop_nest_depth. Call build_classic_dist_vector and
1734 build_classic_dir_vector.
1735 (compute_affine_dependence): Update subscript_dependence_tester
1736 parameters. Update datadep_stats counters. Call
1737 compute_subscript_distance.
1738 (compute_self_dependence): Save the dist and dir vectors. Call
1739 compute_subscript_distance.
1740 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1741 (compute_all_dependences): Reorder parameters as they were before
1742 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1743 compute_subscript_distance. Update the use of
1744 compute_affine_dependence and initialize_data_dependence_relation.
1745 (find_data_references_in_loop): Handle COMPONENT_REF.
1746 (compute_data_dependences_for_loop): Initialize dependence_stats.
1747 Don't call build_classic_dist_vector and build_classic_dir_vector.
1748 Update the parameters of initialize_data_dependence_relation and
1749 compute_all_dependences. Print the statistics from datadep_stats.
1750 (analyze_all_data_dependences): Static. Not used until the pass for
1751 checking the data dependences is contributed.
1752 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1753 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1754 (initialize_data_dependence_relation, compute_affine_dependence,
1755 analyze_all_data_dependences, compute_subscript_distance): Removed.
1756 (print_direction_vector): New.
1757 * lambda.h (gcd): ... here.
1758 (lambda_vector_gcd): Moved here from gcd_vector.
1759 * lambda-code.c (gcd, gcd_vector): Removed.
1760 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1761 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1763 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1765 * ipa-type-escape.c: Tidy some comments and white space.
1766 * tree-ssa-operands.c: Likewise.
1768 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1770 PR tree-opt/25879
1771 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1772 (dump_decl_name): Do not walk the decl tree chains.
1773 * tree-pass.h (TDF_CHAIN): Remove.
1775 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1777 * Makefile.in (C): Remove
1778 (PROTO): Remove
1779 (.PHONY): Remove C and PROTO
1781 2006-02-20 Roger Sayle <roger@eyesopen.com>
1783 PR middle-end/26236
1784 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1785 deprecated CHAR_TYPE tree code.
1787 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1789 * configure.ac (target_list): Add install-info, dvi, html.
1790 * configure: Regenerate.
1792 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1793 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1794 treelang/Make-lang.in: Do not use double-colon rules.
1796 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1798 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1799 (TMT_USED_ALONE): New macro.
1800 * tree-pass.h (PROP_tmt_usage): New property.
1801 (TODO_update_tmt_usage): New todo.
1802 * tree-ssa-alias.c (updating_used_alone): New variable.
1803 (recalculate_used_alone): New function.
1804 (compute_may_aliases): Set updating_used_alone, call
1805 recalculate_used_alone.
1806 * tree-sra.c (pass_sra): Note that this pass destroys
1807 PROP_tmt_usage, and add TODO_update_tmt_usage.
1808 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1809 * tree-flow.h (updating_used_alone): Prototype.
1810 (recalculate_used_alone): Ditto.
1811 * passes.c (execute_todo): Add code to set updating_used_alone,
1812 and call recalculate.
1813 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1814 for clobber if used alone, and add assert to verify used_alone
1815 status.
1817 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1819 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1820 for non tls symbols added.
1821 (legitimize_address): Do nothing for PLUS expressions if one of the
1822 addends is a tls symbol reference.
1824 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1826 PR bootstrap/25476
1828 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1830 * Makefile.in (BOOTSTRAPPING): New.
1831 (quickstrap): New definition if BOOTSTRAPPING=yes.
1833 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1834 * configure.ac: Substitute all_selected_languages with the languages
1835 that were configured. For all the other variables except
1836 lang_specs_files, include all the languages in the tree.
1837 * configure: Regenerate.
1839 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1840 if there is one. Run the commands to run fixincludes in the same
1841 subshell.
1843 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1844 * doc/install.texi: Document exact conventions for searching target tools.
1845 Document --with-build-time-tools. Document toplevel bootstrap. Document
1846 something more about building an Ada cross-compiler. Don't list GNU Make
1847 requirements which affect all platforms.
1849 2006-02-19 Roger Sayle <roger@eyesopen.com>
1851 PR middle-end/19543
1852 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1853 only equivalent if the have both the same mode and precision.
1855 2006-02-20 Ben Elliston <bje@au.ibm.com>
1857 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1859 2006-02-19 Roger Sayle <roger@eyesopen.com>
1860 Steven Bosscher <stevenb.gcc@gmail.com>
1862 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1863 constant pool references to identify stack mode constants.
1864 * rtlanal.c (constant_pool_constant_p): New predicate to check
1865 whether operand is a floating point constant in the pool.
1866 * rtl.h (constant_pool_constant_p): Prototype here.
1867 * loop.c (scan_loop): Avoid hoisting constants from the constant
1868 pool on STACK_REGS targets.
1869 (load_mems): Likewise.
1870 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1871 loads into x87 registers expensive in terms of register pressure.
1873 2006-02-19 Roger Sayle <roger@eyesopen.com>
1875 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1876 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1878 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1880 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1881 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1883 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1885 * doc/invoke.texi: Document -fipa-pta.
1886 * common.opt: Add ipa-pta option.
1887 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1888 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1889 (do_ds_constraint): Ditto.
1890 (get_constraint_for): Only add to referenced_vars if
1891 referenced_vars exists.
1892 (insert_into_field_list): Rewrite to do this unsorted.
1893 (insert_into_field_list_sorted): Rename old insert_into_field_list
1894 to this.
1895 (create_function_info_for): Use insert_into_field_list_sorted.
1896 (create_variable_info_for): Rewrite so it uses unsorted version,
1897 since the field list is sorted.
1898 (intra_create_variable_infos): Only add to referenced_vars if
1899 referenced_vars exists.
1900 (ipa_pta_execute): Init heapvars, and delete when done.
1901 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1903 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1905 * doc/install.texi: Add missing `@samp'.
1907 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1909 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1910 Use the arguments.
1912 2006-02-18 Mark Wielaard <mark@klomp.org>
1914 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1915 who added new 4.1 features, bug fixes and integration support.
1917 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1919 PR target/26350
1920 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1921 MEM for ABI_V4 pic.
1923 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1925 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1926 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1927 (copy_insn_1): Likewise. Don't copy each field individually.
1928 Reindent.
1929 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1930 of RTX_SIZE.
1931 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1932 * rtl.c (rtx_size): Rename variable to...
1933 (rtx_code_size): ...this.
1934 (rtx_size): New function.
1935 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1936 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1937 Reindent.
1938 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1939 * rtl.h (rtx_code_size): New variable.
1940 (rtx_size): Change from a variable to a function.
1941 (RTX_SIZE): Rename to...
1942 (RTX_CODE_SIZE): ...this.
1944 PR target/9703
1945 PR tree-optimization/17106
1946 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1947 (Anchored Addresses): New section.
1948 * doc/invoke.texi (-fsection-anchors): Document.
1949 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1950 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1951 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1952 * hooks.c (hook_bool_mode_rtx_false): New function.
1953 * hooks.h (hook_bool_mode_rtx_false): Declare.
1954 * gengtype.c (create_optional_field): New function.
1955 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1956 SYMBOL_REF_IN_BLOCK_P is true.
1957 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1958 (min_anchor_offset, max_anchor_offset): Likewise.
1959 (use_anchors_for_symbol_p): New hook.
1960 * toplev.c (compile_file): Call output_object_blocks.
1961 (target_supports_section_anchors_p): New function.
1962 (process_options): Check that -fsection-anchors is only used on
1963 targets that support it and when -funit-at-a-time is in effect.
1964 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1965 if the decl doesn't have one.
1966 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1967 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1968 of force_const_mem through use_anchored_address.
1969 (expand_expr_constant): New function.
1970 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1971 calling expand_expr for INDIRECT_REF.
1972 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1973 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1974 * expr.h (use_anchored_address): Declare.
1975 * loop-unroll.c: Don't declare rtx vectors here.
1976 * explow.c: Include output.h.
1977 (validize_mem): Call use_anchored_address.
1978 (use_anchored_address): New function.
1979 * common.opt (-fsection-anchors): New switch.
1980 * varasm.c (object_block_htab, anchor_labelno): New variables.
1981 (hash_section, object_block_entry_eq, object_block_entry_hash)
1982 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1983 (use_blocks_for_decl_p, change_symbol_section): New functions.
1984 (get_variable_section): New function, split out from assemble_variable.
1985 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1986 use_blocks_for_decl_p say so. Use change_symbol_section if the
1987 symbol has already been created.
1988 (assemble_variable_contents): New function, split out from...
1989 (assemble_variable): ...here. Don't output any code for
1990 block symbols; just pass them to place_block_symbol.
1991 Use get_variable_section and assemble_variable_contents.
1992 (get_constant_alignment, get_constant_section, get_constant_size): New
1993 functions, split from output_constant_def_contents.
1994 (build_constant_desc): Create a block symbol if use_object_blocks_p
1995 says so. Or into SYMBOL_REF_FLAGS.
1996 (assemble_constant_contents): New function, split from...
1997 (output_constant_def_contents): ...here. Don't output any code
1998 for block symbols; just pass them to place_section_symbol.
1999 Use get_constant_section and get_constant_alignment.
2000 (force_const_mem): Create a block symbol if use_object_blocks_p and
2001 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2002 (output_constant_pool_1): Add an explicit alignment argument.
2003 Don't switch sections here.
2004 (output_constant_pool): Adjust call to output_constant_pool_1.
2005 Switch sections here instead. Don't output anything for block symbols;
2006 just pass them to place_block_symbol.
2007 (init_varasm_once): Initialize object_block_htab.
2008 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2009 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2010 (place_block_symbol, get_section_anchor, output_object_block)
2011 (output_object_block_htab, output_object_blocks): New functions.
2012 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2013 (TARGET_ASM_OUT): Include it.
2014 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2015 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2016 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2017 (TARGET_INITIALIZER): Include them.
2018 * rtl.c (rtl_check_failed_block_symbol): New function.
2019 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2020 (block_symbol, object_block): New structures.
2021 (rtx_def): Add a block_symbol field to the union.
2022 (BLOCK_SYMBOL_CHECK): New macro.
2023 (rtl_check_failed_block_symbol): Declare.
2024 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2025 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2026 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2027 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2028 * output.h (output_section_symbols): Declare.
2029 (object_block): Name structure.
2030 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2031 (default_use_anchors_for_symbol_p): Declare.
2032 * Makefile.in (RTL_BASE_H): Add vec.h.
2033 (explow.o): Depend on output.h.
2034 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2035 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2036 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2037 (rs6000_use_blocks_for_constant_p): New function.
2039 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2041 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2043 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2045 PR tree-opt/25680
2046 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2047 IMAGPART_EXPR.
2049 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2051 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2052 is_aliased.
2053 Update all users.
2055 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2057 PR middle-end/26334
2058 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2059 instead of DECL_REGISTER.
2061 2006-02-18 Olivier Hainque <hainque@adacore.com>
2063 PR ada/13408
2064 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2066 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2068 PR target/24837
2069 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2070 * opth-gen.awk: Handle Var and InverseMask together.
2071 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2072 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2073 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2074 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2075 used together.
2076 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2077 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2078 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2079 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2080 LINUX_DYNAMIC_LINKER): Define.
2081 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2082 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2083 TARGET_GLIBC.
2084 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2085 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2086 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2088 (TARGET_C99_FUNCTIONS): Don't define.
2089 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2090 GLIBC_DYNAMIC_LINKER.
2091 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2092 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2093 GLIBC_DYNAMIC_LINKER64): Define.
2094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2095 LINUX_DYNAMIC_LINKER64.
2096 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2098 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2100 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2102 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2103 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2104 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2106 and LINUX_DYNAMIC_LINKER32.
2107 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2109 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2111 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2112 TARGET_GLIBC.
2113 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2114 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2115 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2116 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2117 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2118 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2119 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2120 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2121 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2122 LINUX_DYNAMIC_LINKER): Define.
2123 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2124 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2125 GLIBC_DYNAMIC_LINKER64): Define.
2126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2127 LINUX_DYNAMIC_LINKER64.
2128 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2129 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2130 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2131 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2132 LINUX_DYNAMIC_LINKER): Define.
2133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2134 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2135 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2136 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2137 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2138 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2139 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2140 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2141 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2142 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2144 * doc/invoke.texi (-muclibc): Remove caveat about supported
2145 targets.
2147 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2149 * doc/cpp.texi (__TIMESTAMP__): Document.
2151 2006-02-17 Roger Sayle <roger@eyesopen.com>
2153 PR middle-end/25600
2154 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2155 C is one less than the width of X (and related transformations).
2156 * simplify-rtx.c (simplify_unary_operation_1): Transform
2157 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2158 depending on STORE_FLAG_VALUE, were C is one less then the
2159 width of X.
2161 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2163 Fix PR tree-optimization/26341
2164 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2165 about NAME_MEMORY_TAG's.
2167 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2169 PR target/26255
2170 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2171 with hardware float support, and software float support. Add fcpy
2172 alternative to hardware patterns. Add alternatives to copy between
2173 general and floating-point registers to the 32-bit pattern.
2174 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2175 secondary reload to load a QI or HI mode constant into a floating
2176 point register.
2177 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2178 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2180 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2182 PR target/26272
2183 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2184 pc to the pattern.
2185 (load_macho_picbase_di): Likewise.
2187 2006-02-16 Jeff Law <law@redhat.com>
2189 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2190 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2191 (ssa_name_nonzero_p): Likewise.
2192 (get_value_range): Return NULL if VRP is not running.
2193 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2194 VRP routines do not discover a range.
2195 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2196 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2197 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2198 (tree_expr_nonnegative_p): Similarly.
2199 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2200 (restore_nonzero_vars_to_original_value): Remove.
2201 (unsafe_associative_fp_binop): Remove.
2202 (tree_ssa_dominator_optimize): Remove initialization and
2203 finalization of nonzero_vars and nonzero_vars_stack.
2204 (dom_opt_initialize_block): No longer push marker on
2205 nonzero_vars_stack.
2206 (dom_opt_finalize_block): No longer call
2207 restore_nonzero_vars_to_original_value.
2208 (record_equivalences_from_phis): No longer look for
2209 nonzero PHI arguments.
2210 (cprop_into_successor_phis): No longer propagate nonzero
2211 property into PHI arguments. Lose unused argument. Caller
2212 updated.
2213 (record_equivalences_from_stmt): No longer record nonzero
2214 values for SSA_NAMEs.
2215 (lookup_avail_expr): No longer use nonzero_vars.
2217 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2218 for sizetype when sizetype is unsigned.
2220 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2222 PR rtl-optimization/25603
2223 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2224 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2225 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2226 with new meaning of SETS.
2228 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2230 PR target/20353
2231 PR target/24578
2232 PR target/24837
2233 * config/linux.opt: New file.
2234 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2235 LINUX_DYNAMIC_LINKER): Define.
2236 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2237 * config.gcc (*-*-linux*): Define extra_options.
2238 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2239 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2240 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2241 GLIBC_DYNAMIC_LINKER.
2242 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2243 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2244 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2245 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2246 * doc/invoke.texi (GNU/Linux Options): New section.
2248 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2250 * config/sparc/sparc.md (setjmp): Rewrite.
2251 (setjmp_32): Delete.
2252 (setjmp_64): Likewise.
2254 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2256 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2257 previous change.
2259 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2261 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2262 read-write uses.
2264 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2266 PR rtl-optimization/26296
2267 * Makefile.in (loop-invariant.c): Add except.h dependency.
2268 * loop-invariant.c: Include except.h.
2269 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2271 2005-02-16 Paul Brook <paul@codesourcery.com>
2273 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2274 for reloads.
2276 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2278 PR rtl-optimization/25636
2279 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2280 when deciding whether an insn is an initializing insn.
2282 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2284 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2285 (tree_code_size): Ditto.
2286 * tree.h (struct tree_memory_tag): Remove parent_var.
2287 (struct tree_struct_field_tag): New.
2288 (SFT_OFFSET): New.
2289 (SFT_SIZE): New.
2290 (union tree_node): Add sft member.
2291 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2292 specially here.
2293 (create_sft): Add size and offset argument, set SFT_OFFSET and
2294 SFT_SIZE.
2295 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2296 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2297 * tree-flow-inline.h (get_subvar_at): Update for
2298 SFT_OFFSET/SFT_SIZE.
2299 (var_can_have_subvars): Ditto.
2300 (overlap_subvar): Ditto.
2301 * print-tree.c (print_node): Print out interesting things for
2302 SFT's.
2303 * tree-flow.h (struct subvar): Remove offset and size members.
2304 * tree-ssa-operands.c (get_expr_operands): Update for
2305 get_indirect_ref_operands changes.
2306 (get_indirect_ref_operands): Call add_virtual_operand instead of
2307 add_stmt_operand. Only recurse on base var if requested.
2308 (access_can_touch_variable): New function.
2309 (add_stmt_operand): Split virtual operand handling into ...
2310 (add_virtual_operand): Here. Add offset, size, and for_clobber
2311 arguments. Prune alias sets.
2312 (add_call_clobber_ops): Call add_virtual_operand.
2314 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2316 PR middle-end/26300
2317 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2319 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2320 than TREE_CODE as index into omp_clause_num_ops array.
2322 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2324 PR rtl-optimization/26184
2325 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2326 uses_of_defs.
2327 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2328 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2329 must_precede, must_follow and tobe_scheduled.
2331 PR other/26147
2332 * opts.c (common_handle_option): Free new_option pointer.
2333 * df-core.c (df_analyze): Free postorder pointer.
2335 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2337 * Makefile.in: Fix the examples about the use of stamps
2339 2006-02-15 Michael Matz <matz@suse.de>
2341 PR middle-end/22275
2343 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2344 influenced by maximum_field_alignment or DECL_PACKED.
2345 (update_alignment_for_field): Ditto.
2346 (place_field): Ditto.
2347 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2348 this behaviour.
2350 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2352 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2353 (debug_flow_info): Pass it.
2354 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2355 * bb-reorder.c (reorder_basic_blocks): Likewise.
2356 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2357 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2358 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2359 * gcse.c (gcse_main, bypass_jumps): Likewise.
2360 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2361 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2362 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2363 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2364 * rtl.h (dump_flow_info): Adjust prototype.
2365 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2366 * var-tracking.c (variable_tracking_main): Likewise.
2367 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2368 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2369 options.
2371 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2373 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2374 construction.
2376 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2378 PR tree-optimization/26209
2379 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2380 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2381 eh edges.
2382 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2384 2006-02-14 Roger Sayle <roger@eyesopen.com>
2386 PR middle-end/23670
2387 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2388 (X,Y) and the corresponding symmetry related transformations.
2389 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2390 (X,Y) and its symmetry related transformations.
2392 2006-02-14 Roger Sayle <roger@eyesopen.com>
2394 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2395 and GEU.
2397 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2399 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2401 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2403 PR bootstrap/26053
2404 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2405 support COMDAT group.
2406 * configure: Regenerate.
2408 2006-02-14 Roger Sayle <roger@eyesopen.com>
2410 PR middle-end/26279
2411 PR middle-end/26280
2412 PR middle-end/26283
2413 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2415 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2417 Fix PR tree-optimization/26260
2419 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2420 param.
2421 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2422 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2423 * tree-ssa-structalias.c (create_variable_info_for): Use
2424 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2426 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2428 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2429 Document.
2430 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2431 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2432 of the ending condition.
2433 * tree-ssa-loop-manip.c: Include params.h.
2434 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2435 tree_unroll_loop): New functions.
2436 * tree-pass.h (pass_loop_prefetch): Declare.
2437 * loop.c (rest_of_handle_loop_optimize): Test for
2438 -fprefetch-loop-arrays-rtl.
2439 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2440 * timevar.def (TV_TREE_PREFETCH): New timevar.
2441 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2442 pass_loop_prefetch): New.
2443 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2444 (cleanup_tree_cfg_loop): Call scev_reset.
2445 * common.opt (fprefetch-loop-arrays-rtl): Add.
2446 * tree-ssa-loop-prefetch.c: New file.
2447 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2448 (new_temp_expr_table): Initialize expr_vars.
2449 (free_temp_expr_table): Cleanup expr_vars.
2450 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2451 expressions from being merged into one.
2452 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2453 (struct tree_niter_desc): Add control, bound and cmp fields.
2454 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2455 Declare.
2456 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2457 (tree-cfgcleanup.o): Add SCEV_H dependency.
2458 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2459 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2461 2006-02-14 Richard Guenther <rguenther@suse.de>
2463 PR tree-optimization/26258
2464 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2465 in PHI argument processing.
2467 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2469 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2470 new expression in the requested machine mode.
2472 2006-02-13 Roger Sayle <roger@eyesopen.com>
2474 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2475 directly, instead let do_compare_rtx_and_jump handle this for us.
2476 * expr.c (expand_expr_real_1): Likewise.
2477 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2478 before do_jump_by_parts_greater.
2479 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2480 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2482 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2484 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2486 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2488 PR rtl-optimization/26235
2489 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2490 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2491 format.
2493 2006-02-13 Jeff Law <law@redhat.com>
2495 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2496 TRUTH_XOR_EPR.
2498 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2500 PR middle-end/26092
2501 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2502 twice if decl is a builtin. When trying again, call get_callee_fndecl
2503 first to verify it is still a builtin.
2505 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2507 * dwarf2out.c (base_type_die): Don't add AT_name here.
2508 (subrange_type_die): Don't add AT_name here.
2509 (modified_type_die): Rearrange code flow. Do add AT_name here.
2511 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2513 PR rtl-optimization/26247
2514 PR rtl-optimization/26248
2515 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2517 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2519 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2520 * config/fixtfdi.c: Likewise.
2521 * config/fixunstfdi.c: Likewise.
2522 * config/floatditf.c: Likewise.
2524 2006-02-13 Roger Sayle <roger@eyesopen.com>
2526 PR middle-end/24427
2527 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2528 into (X,C2) if C1 is a subset of the bits of C2. Transform
2529 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2530 (X&(C1&~C2))|C2.
2531 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2533 2006-02-13 Josh Conner <jconner@apple.com>
2535 PR target/25376
2536 * varasm.c (function_section): Check for section name before
2537 calling select_section on targets that define
2538 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2539 unlikely_text_section instead of hot_function_section if
2540 first_function_block_is_cold.
2542 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2544 PR middle-end/25335
2545 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2547 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2549 PR rtl-optimization/26222
2550 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2551 after tree->rtl expansion.
2552 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2553 before passing it to emit_move_insn.
2555 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2557 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2558 default.
2559 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2560 Clarify documentation.
2561 * c-common.h (warn_write_strings): Remove.
2562 * c-common.c (warn_write_strings): Likewise.
2563 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2564 default for C++.
2566 2006-02-12 Roger Sayle <roger@eyesopen.com>
2568 PR middle-end/25724
2569 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2570 (do_jump_parts_zero_rtx): New function renamed from
2571 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2572 (do_jump_parts_equality_rtx): New function split out from
2573 do_jump_parts_equality. Old implementation renamed as above.
2574 Call do_jump_parts_zero_rtx if either operand is zero.
2575 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2576 do all of the heavy lifting.
2577 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2578 calling either do_jump_by_parts_greater_rtx or
2579 do_jump_by_parts_equality_rtx.
2580 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2581 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2582 moved to do_compare_rtx_and_jump, call it directly.
2583 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2584 mode argument. Call do_compare_rtx_and_jump.
2585 (emit_case_nodes): Update calls to do_jump_if_equal.
2587 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2589 PR rtl-optimization/26225
2590 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2592 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2594 PR rtl-optimization/26232
2595 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2597 2006-02-11 Jason Merrill <jason@redhat.com>
2599 PR tree-opt/24365
2600 * tree-inline.c (declare_return_variable): Just don't use the
2601 modify target if it's a gimple complex reg and the return slot
2602 isn't.
2604 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2606 * doc/contrib.texi: Update my entry.
2608 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2610 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2612 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2614 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2615 expensive.
2617 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2619 * doc/invoke.texi (-floop-optimize2): Removed.
2620 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2621 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2622 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2623 * common.opt (floop-optimize2): Removed.
2624 (fmove-loop-invariants): Enabled by default.
2626 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2628 * tree-if-conv.c (combine_blocks): Free the result of
2629 get_loop_exit_edges.
2631 2006-02-10 Jeff Law <law@redhat.com>
2633 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2635 PR tree-optimization/26213
2636 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2637 loop trying to follow SSA_NAME_VALUE chains.
2639 2006-02-10 Richard Guenther <rguenther@suse.de>
2641 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2642 deal with structures that end in implicitly variable sized arrays.
2644 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2646 PR rtl-optimization/24762
2647 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2648 eh edges.
2650 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2652 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2653 (struct ivopts_data): Add regs_used field.
2654 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2655 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2656 instead of loop_data->regs_used;
2657 (free_loop_data): Do not free aux fields for loops.
2658 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2659 and tree_ssa_iv_optimize_finalize.
2661 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2663 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2665 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2667 PR target/26141
2668 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2669 computing the effective result type.
2671 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2673 PR inline-asm/16194
2674 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2675 (tree_overlaps_hard_reg_set): Declare.
2676 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2677 type and signature to match function type expected by walk_tree.
2678 (tree_overlaps_hard_reg_set): New function.
2679 (decl_conflicts_with_clobbers_p): Rename to:
2680 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2681 Use tree_overlaps_hard_reg_set. Changed caller.
2682 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2683 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2684 * cris.c (cris_md_asm_clobbers): Likewise.
2686 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2688 * reload1.c (emit_input_reload_insns): Delete code that tries to
2689 inherit using find_equiv_reg.
2691 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2693 * c-common.h (flag_const_strings): Don't declare.
2694 * c-common.c (flag_const_strings): Remove.
2695 * c.opt (fconst_strings): Remove.
2696 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2697 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2698 (c_common_init_options): Don't set flag_const_strings.
2699 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2701 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2703 * arm.md (tlobits_cbranch): New pattern.
2704 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2705 testing a single bit.
2707 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2709 PR tree-opt/26179
2710 * tree-ssa-pre.c (create_component_ref_by_pieces):
2711 Handle RETURN_DECL like VAR_DECL.
2713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2715 PR middle-end/26134
2716 * fold-const.c (fold_indirect_ref_1): Fold
2717 "*(foo *)&complexfoo" to "__real__ complexfoo"
2718 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2720 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2722 * tree-flow-inline.h (var_can_have_subvars):
2723 Volatile variables should not have subvariables.
2725 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2727 PR 26180
2728 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2729 multiplying unsigned values.
2730 Tidy comments.
2732 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2734 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2736 2006-02-08 Jason Merrill <jason@redhat.com>
2738 PR c++/25979
2739 * tree.def: Elaborate on difference from MODIFY_EXPR.
2740 * doc/c-tree.texi (INIT_EXPR): Likewise.
2741 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2742 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2743 (gimplify_target_expr): Likewise.
2744 (gimplify_cond_expr): Remove target handling.
2745 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2746 (gimplify_expr): Clobber it here.
2747 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2748 Do return slot optimization if we have an INIT_EXPR.
2750 PR tree-opt/24365
2751 * tree-inline.c (declare_return_variable): Also clear
2752 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2754 PR c++/16405
2755 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2757 PR middle-end/22439
2758 * gimplify.c (gimplify_one_sizepos): Fix typo.
2760 2006-02-08 Jeff Law <law@redhat.com>
2762 PR tree-optimization/21417
2763 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2764 across a backedge if the control statement at the end of the
2765 block is data dependent on other statements in the same block.
2766 (record_temporary_equivalences_from_stmts): Remove over-conservative
2767 test for threading across backedges.
2769 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2770 control statement, handle all three special cases in the same
2771 manner as they all have the same desired solution. No longer
2772 special case edge flag updating when the post dominator is
2773 the exit block.
2775 2006-02-08 Roger Sayle <roger@eyesopen.com>
2777 * tree.def (CHAR_TYPE): Remove.
2778 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2779 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2780 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2781 (gen_string_type_die): Delete unreachable function.
2783 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2784 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2785 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2786 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2787 * builtins.c (type_to_class): Likewise.
2788 * fold-const.c (fold_convert, build_range_check,
2789 merge_ranges): Likewise.
2790 * expr.c (count_type_elements): Likewise.
2791 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2792 * stor-layout.c (layout_type): Likewise.
2793 * ipa-type-escape.c (type_to_consider): Likewise.
2794 * gimplify.c (omp_firstprivatize_type_sizes,
2795 gimplify_type_sizes): Likewise.
2796 * explow.c (promote_mode): Likewise.
2797 * tree-sra.c (is_sra_scalar_type): Likewise.
2798 * varasm.c (output_constant): Likewise.
2799 * tree-inline.c (remap_type_1): Likewise.
2800 * convert.c (convert_to_pointer, convert_to_real,
2801 convert_to_integer, convert_to_complex): Likewise.
2803 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2805 * df-scan.c (df_def_record_1): A set destination may
2806 be a parallel regardless of mode.
2808 2006-02-08 Roger Sayle <roger@eyesopen.com>
2810 PR target/22209
2811 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2812 * config/mips/_tilib.c: Remove.
2813 * config/fixtfdi.c: New libgcc source file.
2814 * config/fixunstfdi.c: New source file.
2815 * config/floatditf.c: New source file.
2816 * config/floatunditf.c: New souce file.
2817 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2818 files above instead of config/mips/_tilib.c.
2819 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2821 2006-02-08 Jeff Law <law@redhat.com>
2823 PR tree-optimization/26169
2824 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2825 threading jumps.
2827 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2829 * df.h (DF_REG_SIZE): Return the length of the initialized
2830 part of the array.
2832 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2834 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2835 __muldf3): Return a correctly signed zero.
2837 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2839 * passes.c (register_one_dump_file): Accept the current properties
2840 instead of pass number. Adjust call to dump_register. Remove
2841 duplicated code.
2842 (register_dump_files): Now a wrapper around...
2843 (register_dump_files_1): ... this one. Do not modify the pass
2844 structure.
2845 (next_pass_1): Cosmetic fix.
2846 (execute_todo): Keep second parameter only. Use curr_properties
2847 instead of fetching it from the pass structure. Check and set
2848 last_verified.
2849 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2850 instead of fetching it from the pass structure. Fix calls to
2851 execute_todo. Update curr_properties and initialize .vcg RTL dump
2852 after running the pass. Reset last_verified.
2853 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2854 at the beginning.
2855 (FIRST_AUTO_NUMBERED_DUMP): New.
2856 (dump_register): Remove "num" parameter, assign it within the
2857 function.
2858 (get_dump_file_name): Modify template for dumps.
2859 * tree-dump.h (dump_register): Adjust prototype.
2860 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2861 (PROP_trees): Add PROP_gimple_lomp.
2862 (TODO_set_props): New.
2863 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2864 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2865 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2867 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2869 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2870 (sparc64-*-linux*): Likewise.
2871 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2872 * config/sparc/t-linux: New file.
2873 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2874 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2875 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2876 -m32 -mlong-double-128.
2878 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2879 * config/alpha/t-linux: New file.
2880 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2882 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2883 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2884 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2885 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2886 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2887 (CPP_ARCH32_SPEC): Remove.
2889 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2891 PR tree-optimization/26145
2892 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2893 bbs pointer.
2895 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2897 PR target/26109
2898 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2899 >= 240000 when generating code for SOM runtime.
2900 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2901 to $$dyncall when generating code for SOM runtime..
2903 2006-02-07 Dirk Mueller <dmueller@suse.com>
2905 PR c++/18150
2906 * doc/invoke.texi (-Wsequence-point): Update documentation
2907 that -Wsequence-point is implemented for C++ as well.
2909 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2911 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2912 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2913 (LIB_SPEC): Likewise.
2914 * doc/invoke.texi (SPARC options): Document -pthread.
2916 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2918 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2919 PIC addresses.
2921 2006-02-07 Roger Sayle <roger@eyesopen.com>
2923 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2924 Correct comment describing BOOLEAN_TYPE.
2926 2006-02-07 Dirk Mueller <dmueller@suse.com>
2928 * c.opt: C++ frontend supports -Wdiv-by-zero.
2929 * c-opts.c (c_common_handle_option): Remove dead case.
2931 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2933 * configure.ac (TLS assembler check): Do not enable TLS by
2934 default on SPARC/Solaris before version 10.
2935 * configure: Regenerate.
2937 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2939 * doc/invoke.texi (xl-compat): Document conversion and support
2940 routine names.
2942 2006-02-07 Jeff Law <law@redhat.com>
2944 * tree-vrp.c (find_conditional_asserts): Update comments.
2945 (simplify_stmt_for_jump_threading): New.
2946 (identify_jump_threads, finalize_jump_threads): New.
2947 (vrp_finalize): Call identify_jump_threads.
2948 (execute_vrp): Call finalize_jump_threads.
2949 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2950 (vrp_element, vrp_data, vrp_element_p): Remove.
2951 (vrp_hash_elt, vrp_variables_stack): Remove.
2952 (vrp_hash, vrp_eq, record_range): Remove.
2953 (simplify_cond_and_lookup_avail_expr): Remove.
2954 (extract_range_from_cond): Remove.
2955 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2956 (simplify_stmt_for_jump_threading): New.
2957 (dom_thread_across_edge): New wrapper.
2958 (tree_ssa_dominator_optimize): No longer initialize or
2959 finalize any of the VRP datastructures. Remove iteration
2960 step and simplify as a result of removal of iteration step.
2961 (pass_dominator): Perform a cfg cleanup after DOM.
2962 (dom_opt_finalize_block): Use the new common routines
2963 for threading jumps. Simplify stack management slightly.
2964 No longer need to unwind VRP state.
2965 (record_equivalences_from_incoming_edge): No longer record
2966 VRP information.
2967 (eliminate_redundant_computations): No longer call
2968 simplify_cond_and_lookup_avail_expr.
2969 * tree-flow.h (potentially_threadable_block): Prototype.
2970 (thread_across_edge): Likewise.
2971 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2972 (tree-ssa-threadedge.o): Add dependencies.
2973 * tree-ssa-threadedge.c: New file.
2974 * passes.c (init_optimization_passes): Merge PHIs before
2975 calling VRP. Run VRP again late in the SSA optimization pipeline.
2977 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2979 * df-core.c (df_set_blocks): Do not dereference function pointers.
2980 (df_finish1): Likewise.
2981 (df_hybrid_search_forward): Likewise.
2982 (df_hybrid_search_backward): Likewise.
2983 (df_iterative_dataflow): Likewise.
2984 (df_analyze_problem): Likewise.
2985 (df_compact_blocks): Likewise.
2986 (df_dump): Likewise.
2987 * df-scan.c (df_rescan_blocks): Likewise.
2988 (df_record_entry_block_defs): Likewise.
2990 * genconditions.c (write_conditions): Guard the definition of
2991 'insn_conditions' with the check on GCC version.
2992 (write_writer): Guard the traversal 'insn_conditions' with
2993 the check on GCC version.
2995 2006-02-07 Richard Guenther <rguenther@suse.de>
2997 PR c++/26140
2998 Revert
2999 2006-01-30 Richard Guenther <rguenther@suse.de>
3000 PR c++/23372
3001 * gimplify.c (gimplify_target_expr): Handle easy cases
3002 without creating a temporary.
3004 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3006 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3007 use of float in probability computations. Use edge probabilities
3008 in place of statically computed probabilities.
3009 (min_spec_prob): New static variable.
3010 (schedule_insns): Initialize it.
3011 (GET_SRC_PROB): Removed.
3012 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3014 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3016 PR debug/24444
3017 * config/ia64/unwind-ia64.c: Revert last change.
3018 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3019 (INCOMING_FRAME_SP_OFFSET): Define.
3021 2006-02-06 Roger Sayle <roger@eyesopen.com>
3023 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3025 2006-02-07 Ben Elliston <bje@au.ibm.com>
3027 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3028 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3029 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3030 (ix86_return_in_memory): Handle TDmode.
3031 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3032 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3034 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3036 * reorg.c (dbr_schedule): Use dump_file instead of file.
3038 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3040 PR target/25917
3041 * config/ia64/predicates.md (extr_len_operand): New predicate.
3042 * config/ia64/ia64.md (extv): Tighten constraints.
3043 (extzv): Ditto.
3044 (*tbit_and_2): Ditto.
3045 (*tbit_and_3): Ditto.
3046 (*tbit_or_2): Ditto.
3047 (*tbit_or_3): Ditto.
3048 (*bit_zero): Ditto.
3049 (*bit_one): Ditto.
3051 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3053 PR target/23359
3054 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3056 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3058 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3059 loop_optimizer_init and loop_optimizer_finalize
3060 * tree-ssa-sink.c (execute_sink_code): Ditto.
3061 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3062 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3063 tree_ssa_loop_done): Ditto.
3064 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3065 * sched-ebb.c: Include output.h.
3066 (schedule_ebbs): Do not use dump argument.
3067 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3068 * loop.c (loop_dump_stream): Removed.
3069 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3070 argument.
3071 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3072 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3073 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3074 loop_iterations, strength_reduce, record_biv, record_giv,
3075 final_giv_value, check_final_value, check_ext_dependent_givs,
3076 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3077 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3078 dump_file instead of loop_dump_stream.
3079 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3080 argument dump_file.
3081 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3082 dump argument.
3083 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3084 * haifa-sched.c: Include output.h
3085 (schedule_insns, sched_init): Do not use dump argument.
3086 * mode-switching.c (optimize_mode_switching): Ditto.
3087 * modulo-sched.c (stats_file): Removed.
3088 (print_node_sched_params): Do not call argument dump_file.
3089 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3090 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3091 of stats_file.
3092 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3093 use dump argument.
3094 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3095 rtl_loop_init, rtl_loop_done): Ditto.
3096 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3097 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3098 Ditto.
3099 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3100 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3101 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3102 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3103 * emit-rtl.c (renumber_insns): Ditto.
3104 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3105 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3106 * regclass.c (regclass): Ditto.
3107 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3108 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3109 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3110 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3111 Ditto.
3112 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3113 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3114 to regclass.
3115 * gcse.c (gcse_file, debug_stderr): Removed.
3116 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3117 rest_of_handle_gcse): Do not use dump argument.
3118 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3119 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3120 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3121 compute_code_hoist_vbeinout, compute_code_hoist_data,
3122 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3123 compute_store_table, build_store_vectors, insert_insn_start_bb,
3124 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3125 store_motion): Use dump_file instead of gcse_file.
3126 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3127 * profile.c (profile_dump_file): Removed.
3128 (branch_prob): Use dump_file instead of profile_dump_file.
3129 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3130 dump_file.
3131 * tree-ssa-copy.c (dump_copy_of): Ditto.
3132 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3133 dump file to life_analysis.
3134 * bt-load.c (branch_target_load_optimize): Ditto.
3135 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3136 renumber_insns.
3137 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3138 regclass, dbr_schedule): Declaration changed.
3139 * sched-int.h (sched_init): Declaration changed.
3140 * tree-profile.c (tree_profile_dump_file): Removed.
3141 (tree_profile_hooks): Removed profile_dump_file hook.
3142 * rtl-profile (rtl_profile_dump_file): Removed.
3143 (rtl_profile_hooks): emoved profile_dump_file hook.
3144 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3145 changed.
3146 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3147 * tree-cfg.c (build_tree_cfg): Ditto.
3148 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3149 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3150 Declaration changed.
3151 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3152 life_analysis and schedule_insns.
3153 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3154 life_analysis.
3155 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3156 dbr_schedule.
3157 * config/mips/mips.c (mips_reorg): Ditto.
3158 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3159 schedule_ebbs.
3161 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3163 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3164 (s390_mangle_fundamental_type): New.
3165 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3166 Define.
3168 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3169 (alpha_mangle_fundamental_type): New.
3170 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3171 Define.
3173 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3174 Define.
3175 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3176 Define.
3177 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3178 (sparc_mangle_fundamental_type): New.
3180 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3182 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3183 (s390x-*-linux*): Likewise.
3184 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3185 * config/s390/t-linux: New file.
3187 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3189 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3190 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3192 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3194 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3195 (ANTIC_SAFE_LOADS): New macro.
3196 (find_or_generate_expression): Add prototype.
3197 (set_contains_value): Allow null set for sake of not always having
3198 to allocate ANTIC_SAFE_LOADS.
3199 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3200 Allow COMPONENT_REF too.
3201 (valid_in_set): Allow COMPONENT_REF.
3202 Check ANTIC_SAFE_LOADS too.
3203 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3204 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3205 rename.
3206 (can_PRE_operation): Add COMPONENT_REF.
3207 (create_component_ref_by_pieces): New function.
3208 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3209 (insert_aux): Move AGGREGATE_TYPE_P check here.
3210 (compute_avail): Set bb local stmt uids.
3211 (pass_pre): Use TODO_update_ssa_only_virtuals.
3213 2006-02-06 Ben Elliston <bje@au.ibm.com>
3215 * configure.ac: Unconditionally disable decimal float by default.
3216 * configure: Regenerate.
3218 2006-02-06 Ben Elliston <bje@au.ibm.com>
3220 * read-rtl.c (read_name): Terminate reading on EOF.
3222 2006-02-06 Ben Elliston <bje@au.ibm.com>
3224 * dfp.c (decimal_real_arithmetic): Change second argument type
3225 from int to enum tree_code. Do not always return true, but now
3226 return result of any call to decimal_do helper functions.
3227 * dfp.h (decimal_real_arithmetic): Update prototype.
3229 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3231 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3233 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3235 PR tree-opt/25251
3236 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3237 forced labels.
3239 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3241 * tree-vrp.c (cfg_loops): Removed.
3242 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3243 Use current_loops instead of cfg_loops. Pass flags to
3244 loop_optimizer_init.
3245 * cfgloopmanip.c (fix_loop_structure): Update only available
3246 information.
3247 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3248 loop_optimizer_init.
3249 * modulo-sched.c (build_loops_structure): Removed.
3250 (sms_schedule): Use loop_optimizer_init.
3251 * loop-init.c (loop_optimizer_init): Use flags to determine
3252 which properties of loops to prepare.
3253 (rtl_loop_init): Pass flags to loop_optimizer_init.
3254 * tree-ssa-sink.c (execute_sink_code): Ditto.
3255 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3256 * tree-ssa-pre.c (init_pre): Ditto.
3257 * cfgloop.h (LOOPS_NORMAL): New.
3258 (loop_optimizer_init): Declaration changed.
3260 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3262 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3263 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3264 pa/t-pa.
3265 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3266 pa/t-pa.
3267 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3268 pa/x-ada.
3269 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3270 * pa/t-pa64: Delete quadlib.c rule.
3271 * pa/x-ada: Revert last change.
3272 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3274 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3276 PR rtl-optimization/26087
3277 * rtlanal.c (canonicalize_condition): Do not cross basic block
3278 boundaries.
3280 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3282 PR debug/24444
3283 * config/ia64/ia64.c: Include debug.h.
3284 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3285 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3286 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3287 (process_epilogue, process_set, process_for_unwind_directive):
3288 Output unwind info only if requested. Add CFA info if requested.
3289 Add new arguments as needed. Adjust callers.
3290 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3291 incorrect default.
3292 (DWARF2_FRAME_INFO): Define to zero.
3293 * config/ia64/unwind-ia64.c: Remove code that compensated for
3294 the CFA offset error fixed above.
3295 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3296 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3297 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3298 -funwind-tables and -fexceptions to enable frame info.
3299 (dwarf2out_frame_init): Define initial CFA even if
3300 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3301 DWARF2_UNWIND_INFO is nonzero, not just defined.
3302 (dwarf2out_frame_finish): Output non-EH call frame info only
3303 if DWARF2_FRAME_INFO is nonzero.
3304 (convert_cfa_to_loc_list,
3305 compute_frame_pointer_to_cfa_displacement): Define even if
3306 unwind info is not supported.
3307 (gen_subprogram_die): Use the above unconditionally. Remove
3308 legacy alternate code.
3309 * toplev.c (compile_file): Compile in call to
3310 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3311 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3313 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3314 Jakub Jelinek <jakub@redhat.com>
3316 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3317 IBM extended float format long double as "g" on powerpc*-linux.
3319 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3321 PR target/25926
3322 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3323 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3325 2006-02-03 Jason Merrill <jason@redhat.com>
3327 PR c++/25979
3328 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3330 PR middle-end/25977
3331 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3332 on the return slot if it's an NRV.
3334 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3336 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3337 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3338 rewrite_use): Do not handle USE_OUTER.
3339 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3340 add_iv_outer_candidates, may_replace_final_value,
3341 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3342 (find_interesting_uses_op): Functionality of
3343 find_interesting_uses_outer_or_nonlin moved here.
3344 (find_interesting_uses_outside): Use find_interesting_uses_op.
3346 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3348 PR target/25960
3349 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3351 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3352 Ulrich Weigand <uweigand@de.ibm.com>
3354 PR target/25864
3355 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3356 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3357 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3358 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3359 and dxr fields.
3360 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3361 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3362 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3363 Define secondary reloads for TFmode moves.
3364 (constant_modes): Add TFmode.
3365 (NR_C_MODES): Set to 8.
3366 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3367 builtin define.
3368 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3369 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3370 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3371 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3372 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3373 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3374 (FPR mode macro): Add TFmode.
3375 (DSF mode macro): New.
3376 (<de>, <dee> mode attributes): Removed.
3377 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3378 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3379 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3380 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3381 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3382 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3383 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3384 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3385 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3386 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3387 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3388 "*negabs<mode>2", "sqrt<mode>2"):
3389 Changed <de> to <xde>. R constraint replaced by <Rf>.
3390 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3391 <Rf>.
3392 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3393 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3394 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3395 splitters.
3396 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3397 "extenddftf2", "extendsftf2"): New expanders.
3398 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3399 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3400 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3401 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3402 New options.
3403 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3404 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3405 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3406 __floatditf): Add a GCC_4.1.0 symbol version tag.
3407 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3408 the new options.
3410 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3412 PR target/25377
3413 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3414 Use targetm.binds_local_p instead of TREE_PUBLIC.
3416 2006-02-02 Roger Sayle <roger@eyesopen.com>
3418 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3419 on INTEGER_TYPEs to indicate that it denotes a character type.
3420 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3421 signed_char_type_node, unsigned_char_type_node and char_type_node.
3422 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3423 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3424 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3426 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3427 Daniel Berlin <dberlin@dberlin.org>
3429 * tree-tailcall.c (arg_needs_copy_p): New function.
3430 (eliminate_tail_call): Use arg_needs_copy_p.
3431 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3432 (add_virtual_phis): New function.
3434 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3436 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3437 #ignore instead of #scratch for %g7 .register directive.
3439 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3441 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3442 object files.
3444 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3446 * flow.c (calculate_global_regs_live): Assert that there aren't any
3447 EDGE_FAKE edges.
3449 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3451 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3452 what its name says.
3453 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3454 bsi_after_labels iterator.
3455 * tree-if-conv.c (find_phi_replacement_condition,
3456 replace_phi_with_cond_modify_expr): Likewise.
3457 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3458 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3460 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3462 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3464 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3466 PR 25990
3467 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3468 array after growing it.
3470 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3472 PR middle-end/24901
3473 * fold-const.c (fold_checksum_tree): Change type of buf.
3475 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3477 * reload.c (push_secondary_reload): Initialize t_icode.
3479 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3481 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3482 -msoft-float -mlong-double-128 only issue a warning, but don't
3483 swich to DFmode long double.
3485 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3487 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3488 has a constant equivalent, iterate over equivalents for arg0,
3489 calling simplify_relational_operation and if there's a result
3490 cheaper than X, apply fold_rtx and return the result.
3492 2006-02-01 Jan Hubicka <jh@suse.cz>
3494 * opts.c (no_unit_at_a_time_default): New global variable.
3495 (decode_options): Use it.
3496 * opts.h (no_unit_at_a_time_default): Declare.
3498 2006-02-01 Paul Brook <paul@codesourcery.com>
3500 * function.c (assign_parm_setup_reg): Use function argument promotion
3501 rules.
3502 * expr.c (expand_expr_real_1): Use function argument promotion rules
3503 for PARM_DECLs.
3505 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3507 * gcc.c (process_command): Change j to 'unsigned int'.
3509 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3511 PR middle-end/26001
3512 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3513 Use the corrected index for the character
3514 out of the string constant.
3516 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3518 * mode-switching.c (optimize_mode_switching): Fix size
3519 allocated for bb_info[n_entities].
3521 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3523 * gcc.c (main): Correct type that is allocated for
3524 explicit_link_files.
3526 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3528 * config/s390/s390.c (init_alignment_context): Set
3529 ALIAS_SET_MEMORY_BARRIER on the MEM.
3530 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3532 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3534 PR middle-end/25933
3535 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3536 dom_bbs pointer.
3537 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3538 call to tpa_init.
3540 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3542 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3543 * regrename.c: Ditto.
3544 * tree-ssa-loop-im.c: Ditto.
3545 * tree-dump.c: Ditto.
3546 * tree-complex.c: Ditto.
3547 * genrecog.c: Ditto.
3548 * tree-ssa-threadupdate.c: Ditto.
3549 * tracer.c: Ditto.
3550 * java/class.c: Ditto.
3551 * java/jcf-parse.c: Ditto.
3552 * java/resource.c: Ditto.
3553 * java/except.c: Ditto.
3554 * java/jvspec.c: Ditto.
3555 * java/jcf-write.c: Ditto.
3556 * java/jcf-path.c: Ditto.
3557 * java/gjavah.c: Ditto.
3558 * java/zextract.c: Ditto.
3559 * java/jcf-io.c: Ditto.
3560 * java/jcf.h: Ditto.
3561 * java/buffer.c: Ditto.
3562 * java/lang.c: Ditto.
3563 * java/parse-scan.y: Ditto.
3564 * java/lex.c: Ditto.
3565 * java/lex.h: Ditto.
3566 * cfgloopmanip.c: Ditto.
3567 * postreload-gcse.c: Ditto.
3568 * tree-ssa-loop-manip.c: Ditto.
3569 * postreload.c: Ditto.
3570 * tree-ssa-loop-ch.c: Ditto.
3571 * loop.c: Ditto.
3572 * ipa-cp.c: Ditto.
3573 * cppspec.c: Ditto.
3574 * diagnostic.c: Ditto.
3575 * final.c: Ditto.
3576 * genoutput.c: Ditto.
3577 * gcc.c: Ditto.
3578 * cfghooks.c: Ditto.
3579 * cfgloopanal.c: Ditto.
3580 * objc/objc-act.c: Ditto.
3581 * gcov.c: Ditto.
3582 * genextract.c: Ditto.
3583 * genautomata.c: Ditto.
3584 * pretty-print.c: Ditto.
3585 * genemit.c: Ditto.
3586 * cgraphunit.c: Ditto.
3587 * flow.c: Ditto.
3588 * df-scan.c: Ditto.
3589 * haifa-sched.c: Ditto.
3590 * dominance.c: Ditto.
3591 * dbxout.c: Ditto.
3592 * tree-ssa-loop-ivopts.c: Ditto.
3593 * df-core.c: Ditto.
3594 * mode-switching.c: Ditto.
3595 * modulo-sched.c: Ditto.
3596 * graph.c: Ditto.
3597 * ipa-pure-const.c: Ditto.
3598 * cse.c: Ditto.
3599 * fix-header.c: Ditto.
3600 * web.c: Ditto.
3601 * tree-stdarg.c: Ditto.
3602 * ipa-utils.c: Ditto.
3603 * loop-init.c: Ditto.
3604 * ipa-inline.c: Ditto.
3605 * cfganal.c: Ditto.
3606 * global.c: Ditto.
3607 * alloc-pool.c: Ditto.
3608 * dwarf2out.c: Ditto.
3609 * opts.c: Ditto.
3610 * genattrtab.c: Ditto.
3611 * tree-ssa-loop-ivcanon.c: Ditto.
3612 * predict.c: Ditto.
3613 * timevar.c: Ditto.
3614 * lcm.c: Ditto.
3615 * fortran/gfortranspec.c: Ditto.
3616 * regmove.c: Ditto.
3617 * local-alloc.c: Ditto.
3618 * langhooks.c: Ditto.
3619 * function.c: Ditto.
3620 * tree-vectorizer.c: Ditto.
3621 * gcse.c: Ditto.
3622 * ipa-type-escape.c: Ditto.
3623 * alias.c: Ditto.
3624 * tree-if-conv.c: Ditto.
3625 * profile.c: Ditto.
3626 * ipa.c: Ditto.
3627 * tree-data-ref.c: Ditto.
3628 * loop-unroll.c: Ditto.
3629 * treelang/treetree.c: Ditto.
3630 * calls.c: Ditto.
3631 * bt-load.c: Ditto.
3632 * ggc-common.c: Ditto.
3633 * except.c: Ditto.
3634 * coverage.c: Ditto.
3635 * cselib.c: Ditto.
3636 * tree-cfgcleanup.c: Ditto.
3637 * tree-ssa-pre.c: Ditto.
3638 * cfgcleanup.c: Ditto.
3639 * loop-invariant.c: Ditto.
3640 * loop-iv.c: Ditto.
3641 * ipa-prop.c: Ditto.
3642 * print-tree.c: Ditto.
3643 * conflict.c: Ditto.
3644 * ggc-page.c: Ditto.
3645 * sched-deps.c: Ditto.
3646 * regclass.c: Ditto.
3647 * tree-object-size.c: Ditto.
3648 * combine.c: Ditto.
3649 * bb-reorder.c: Ditto.
3650 * resource.c: Ditto.
3651 * var-tracking.c: Ditto.
3652 * cfgloop.c: Ditto.
3653 * df-problems.c: Ditto.
3654 * reg-stack.c: Ditto.
3655 * tlink.c: Ditto.
3656 * gccspec.c: Ditto.
3657 * sched-rgn.c: Ditto.
3658 * tree-ssa-structalias.c: Ditto.
3659 * tree-ssa-reassoc.c: Ditto.
3660 * config/darwin-c.c: Ditto.
3661 * config/darwin.c: Ditto.
3662 * config/arm/arm.c: Ditto.
3663 * cfgrtl.c: Ditto.
3664 * collect2.c: Ditto.
3665 * reload1.c: Ditto.
3667 2006-01-31 Nicolas Pitre <nico@cam.org>
3669 * arm.md (smaxsi3): Make aware of smax_m1.
3670 (smax_m1): New.
3672 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3674 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3676 2006-01-31 Richard Guenther <rguenther@suse.de>
3678 * doc/invoke.texi (-msselibm): Document.
3679 * target.h (expand_library_builtin): New target hook.
3680 * builtins.c (expand_builtin): Use expand_library_builtin.
3681 (default_expand_library_builtin): New function.
3682 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3683 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3684 (link_gcc_math_spec): Declare.
3685 (static_specs): Add link_gcc_math_spec.
3686 * expr.h (default_expand_library_builtin): Declare.
3687 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3688 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3689 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3690 * config/i386/i386.opt (msselibm): New target option.
3691 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3692 (ix86_init_sse_abi_builtins): New function.
3693 (ix86_expand_library_builtin): Likewise.
3694 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3695 (override_options): Handle error conditions wrt -msselibm.
3696 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3697 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3698 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3699 builtins.
3701 2006-01-31 Richard Guenther <rguenther@suse.de>
3702 Paolo Bonzini <bonzini@gnu.org>
3704 * doc/install.texi (--disable-libgcc-math): Document.
3706 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3708 * expr.h (expand_normal): new inline function.
3709 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3710 * dojump.c: use it.
3711 * dwarf2out.c: use it.
3712 * expr.c: use it.
3713 * calls.c: use it.
3714 * expmed.c: use it.
3715 * except.c: use it.
3716 * config/sparc/sparc.c: use it.
3717 * config/i386/i386.c: use it.
3718 * config/rs6000/rs6000.c: use it.
3719 * config/arm/arm.c: use it.
3720 * config/mips/mips.c: use it.
3721 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3723 2006-01-30 Roger Sayle <roger@eyesopen.com>
3725 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3726 argv to the appropriate type.
3728 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3730 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3731 unreachable code.
3733 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3735 PR target/26018
3736 * config/s390/s390.c (struct machine_function): New flag
3737 decomposed_literal_pool_addresses_ok_p.
3738 (s390_reorg): Set it before final stage of literal pool transforms.
3739 (s390_decompose_address): Only accept displacements of the form
3740 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3742 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3744 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3745 the comparison routine return.
3747 2006-01-30 Michael Matz <matz@suse.de>
3749 * global.c (find_reg): Only evict for global regs.
3750 Take n_refs into account and dump more info.
3752 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3754 PR target/14798:
3755 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3756 (pragma_trap, pragma_nosave_low_regs): Likewise.
3757 (current_function_anonymous_args): Likewise.
3758 (sh_deferred_function_attributes): New variable.
3759 (sh_deferred_function_attributes_tail): Likewise.
3760 (print_operand): For '@', look up trap_exit attribute.
3761 (calc_live_regs): Look up trapa_handler attribute. For trapa
3762 handlers, save/restore fpscr, but don't do any other
3763 interrupt-specific saves.
3764 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3765 Fix check for partially saved registers to check for SHmedia.
3766 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3767 (sh_output_function_epilogue): Don't clear any of the removed
3768 variables.
3769 (sh_insert_attributes): Don't check pragma_interrupt.
3770 Insert deferred attributes. Check that interrupt attribute is
3771 present for other attributes that require its presence.
3772 (sh_attribute_table): Add new attributes trapa_handler and
3773 nosave_low_regs.
3774 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3775 Don't check for pragma_interrupt. Don't store argument.
3776 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3777 (sh_deferred_function_attributes): Declare.
3778 (sh_deferred_function_attributes_tail): Likewise.
3779 * sh.md (sp_switch_1): Add operand. Change generator caller.
3780 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3781 (*return_i): Don't use when trap_exit attribute is in effect.
3782 (*return_trapa): New insn pattern.
3783 * sh-c.c: New file.
3784 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3785 setting c_target_objs and cxx_target_objs.
3786 * t-sh: Add rule for sh-c.o.
3788 2006-01-30 Richard Guenther <rguenther@suse.de>
3790 PR c++/23372
3791 * gimplify.c (gimplify_target_expr): Handle easy cases
3792 without creating a temporary.
3794 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3796 * vec.h (safe_grow): Remove duplicated line.
3798 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3800 PR 25874
3801 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3802 (expand_omp): ... here.
3803 (expand_omp_parallel): Only remove barriers for combined
3804 parallel+workshare constructs.
3806 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3808 Revert
3810 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3811 * tree.c (build_qualified_type): Chain the new type to the original
3812 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3813 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3814 (build_pointer_type_for_mode): Only return unqualified types.
3815 (build_reference_type_for_mode): Likewise.
3817 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3819 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3820 * Makefile.in (CXX_COMPAT_WARN): Define.
3821 * configure: Regenerate.
3823 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3825 PR tree-opt/25911
3826 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3827 to an if check.
3829 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3831 * toplev.c: Fix thinko.
3833 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3834 Marcin Dalecki <martin@dalecki.de>
3836 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3837 (push_srcloc): Use XNEW.
3838 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3840 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3842 * df-core.c (df_set_blocks): Deleted all variable.
3844 2006-01-28 Ian Lance Taylor <ian@airs.com>
3846 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3847 cgraph_output_pending_asms.
3849 2006-01-28 Zack Weinberg <zackw@panix.com>
3851 * c.opt: Add -W(no-)overlength-strings.
3852 * doc/invoke.texi: Document it.
3853 * c-opts.c (c_common_handle_option): -pedantic implies
3854 -Woverlength-strings, if not explicitly disabled already.
3855 (c_common_post_options): -Woverlength-strings defaults to off, and
3856 is always off for C++.
3857 * c-common.c (fix_string_type): Issue warning about strings longer
3858 than is portable only if warn_overlength_strings. Rearrange code
3859 a little for clarity.
3860 * configure.in: Check for -Wno-overlength-strings as well before
3861 enabling -pedantic in stage 1.
3862 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3863 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3865 * genconditions.c (write_header, write_one_condition)
3866 (write_conditions, write_writer): Consolidate very long strings
3867 that were broken up to fit in C89 portable limit. Don't use
3868 printf when fputs will do.
3870 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3872 * combine.c (simplify_comparison <AND>): Check
3873 TRULY_NOOP_TRUNCATION before start using a subreg.
3875 * config/mips/mips.md (*branch_zero<mode>,
3876 *branch_zero<mode>_inverted, *branch_equality<mode>,
3877 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3878 Remove mode check from comparisons.
3880 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3882 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3884 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3886 * expmed.c (const_mult_add_overflow_p): Remove.
3887 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3889 * recog.c (validate_replace_rtx_subexp): Remove.
3890 * recog.h: Remove the prototype for
3891 validate_replace_rtx_subexp.
3893 * integrate.h: Remove the prototype for
3894 copy_decl_for_inlining.
3895 * rtl.h: Remove the prototype for mark_constant_function.
3896 * tree-vectorizer.h: Remove the prototype for
3897 vect_strip_conversion.
3899 * modulo-sched.c (create_partial_schedule,
3900 free_partial_schedule, reset_partial_schedule): Make them
3901 static.
3903 * hooks.c (hook_bool_rtx_int_false): Remove.
3904 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3906 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3908 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3909 and -mlong-double-128 are incompatible.
3910 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3911 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3912 (TARGET_LIBGCC2_CFLAGS): Define.
3913 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3914 (TARGET_LIBGCC2_CFLAGS): Same.
3915 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3917 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3919 PR c/19606.
3920 * c-typeck.c (build_binary_op): Perform implicit casts of
3921 operands before shortening them.
3923 * cfgloopmanip.c (split_loop_bb): Remove.
3924 * cfgloop.h: Remove the prototype for split_loop_bb.
3926 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3927 * cfgloop.h: Remove the prototype for
3928 flow_loop_outside_edge_p.
3930 * emit-rtl.c (init_virtual_regs): Make it static.
3931 * function.h: Remove the prototype for init_virtual_regs.
3933 * recog.c (peephole2_optimize): Make it static.
3934 * recog.h: Remove the prototype for peephole2_optimize.
3936 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3938 * df-scan.c (df_record_entry_block_defs): Check if
3939 INCOMING_RETURN_ADDR_RTX is defined.
3941 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3942 Kenneth Zadeck <zadeck@naturalbridge.com>
3944 PR rtl-optimization/24762
3945 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3946 * targhooks.c (hook_void_bitmap): New hook prototype.
3947 * targhoohs.h (hook_void_bitmap): Ditto.
3948 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3949 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3950 * target.h (live_on_entry): New function pointer.
3951 * df-scan.c (df_all_hard_regs): Removed.
3952 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3953 (df_scan_free_internal): Added df->entry_block_defs.
3954 (df_scan_alloc): Ditto.
3955 (df_scan_dump): Ditto.
3956 (df_uses_record): Plumbed flag field properly thru calls.
3957 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3958 This part fixes PR24762.
3959 (df_bb_refs_record): Added code to make the frame and arg
3960 pointers live in EH blocks.
3961 (df_refs_record): Added call to df_record_entry_block_defs.
3962 (df_record_entry_block_defs): New function.
3963 * df-core.c: Added comments to describe new artifical defs.
3964 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3965 (entry_block_defs): New field in struct df.
3966 (df_all_hard_regs): Deleted.
3967 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3968 * df-problems.c (df_ru_bb_local_compute_process_def):
3969 Added code to handle artifical defs in the entry to a function.
3970 (df_ru_bb_local_compute): Ditto.
3971 (df_rd_bb_local_compute_process_def): Ditto.
3972 (df_rd_bb_local_compute): Ditto.
3973 (df_lr_bb_local_compute): Ditto.
3974 (df_ur_bb_local_compute): Ditto.
3975 (df_urec_bb_local_compute): Ditto.
3976 (df_chain_create_bb): Ditto.
3977 (df_ur_local_finalize): Removed entry.
3978 (df_urec_init): Ditto.
3979 (df_urec_local_finalize): Ditto.
3980 (df_ri_bb_compute): Added detection of last use of pseudos.
3981 * Makefile.in (df-scan.o): Updated dependencies.
3982 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3983 * config/mips/mips.c (mips_set_live_on_entry): Added.
3984 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3985 for target hook.
3986 * dce.c (marked_insn_p): Added code to handle artifical defs.
3988 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3990 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3991 intrinsic.
3992 (_mm_cvtsi128_si64): Likewise.
3993 (_mm_cvtsd_si64): Likewise.
3994 (_mm_cvttsd_si64): Likewise.
3995 (_mm_cvtsi64_sd): Likewise.
3996 (_mm_cvtsi64_si128): Likewise.
3997 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3998 (_mm_cvtsi64_m64): Likewise.
3999 (_m_to_int64): Likewise.
4000 (_mm_cvtm64_si64): Likewise.
4001 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4002 (_mm_cvttss_si64): Likewise.
4003 (_mm_cvtsi64_ss): Likewise.
4004 (_mm_cvtss_f32): Likewise.
4006 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4008 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4009 for pragma redefine_extname.
4011 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4013 PR target/25864
4014 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4015 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4016 -mno-minimal-toc to previous content.
4017 (bispecs): Remove goal.
4018 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4019 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4020 compatibility aliases on powerpc-*-*gnu*.
4021 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4022 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4023 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4024 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4025 (ldblspecs): New goal.
4026 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4027 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4028 _df_to_tf.
4029 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4030 L_sf_to_tf or L_df_to_tf is defined.
4032 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4033 Alan Modra <amodra@bigpond.net.au>
4035 PR target/25864
4036 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4037 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4038 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4039 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4040 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4041 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4042 (rs6000_override_options): Initialize rs6000_ieeequad.
4043 Initialize TFmode format to ibm_extended_format if not
4044 TARGET_IEEEQUAD.
4045 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4046 ieeelongdouble.
4047 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4048 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4049 (function_arg_advance): IBM long double passed in two FPRs, not
4050 split.
4051 (function_arg): IBM long double passed in FPRs.
4052 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4053 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4054 Only multireg GPR aligned.
4055 (rs6000_init_libfuncs): Enable IBM long double functions if not
4056 IEEEQUAD.
4057 (rs6000_generate_compare): Use IBM long double compare if not
4058 TARGET_IEEEQUAD.
4059 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4060 (TARGET_IEEEQUAD): Define.
4061 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4062 not TARGET_IEEEQUAD.
4063 * config/rs6000/rs6000.md: Enable TFmode patterns if
4064 !TARGET_IEEEQUAD.
4065 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4066 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4067 and -mlong-double-128 are incompatible.
4068 * doc/invoke.texi (-mabi): Collect options together. Add
4069 ibmlongdouble and ieeelongdouble.
4071 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4073 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4074 opaque type.
4075 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4076 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4077 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4078 * rtl.h (rtunion_def): Remove rt_ptr.
4079 (X0PTR): Delete.
4080 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4081 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4082 * config/i386/winnt.c (i386_pe_mark_dllexport)
4083 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4085 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4087 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4089 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4091 PR other/24829
4092 PR target/24831
4093 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4094 pthread_key_delete. From John David Anglin. gthrw-ify
4095 pthread_getunique_np only if it it's not a macro. Delete
4096 UNUSED macro.
4097 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4098 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4099 __gthread_objc_condition_signal, __gthread_key_delete): Add
4100 "__attribute__ ((__unused__))" to unused arguments.
4101 (__gthread_recursive_mutex_init_function): Add missing return.
4102 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4103 gthr-posix95.h: Use macro-based approach for name redirection
4104 on targets missing weakref.
4106 2006-01-26 Zack Weinberg <zackw@panix.com>
4108 * genconditions.c (write_header): In generated code, #ifdef out
4109 all includes and fake declarations, except includes of bconfig.h
4110 and system.h, unless GCC_VERSION >= 3001. Do not include
4111 gensupport.h in any case.
4112 (write_conditions): Generate a definition of struct c_test. Add
4113 a comment to the generated #endif.
4114 (write_one_condition): Escape backslashes in string too.
4115 (write_writer): Generated code must escape backslashes and quote
4116 marks (but not newlines) in the strings it writes.
4117 * Makefile.in (build/gencondmd.o): Update dependencies.
4119 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4121 PR target/25961
4122 * Makefile.in (insn-automata.o): Add header file dependencies.
4123 * genautomata.c: Add includes.
4125 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4127 PR target/25961
4128 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4130 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4132 * configure.ac: Expect target tools paths to be passed from the toplevel
4133 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4134 AS_SET_VAR_IF.
4135 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4137 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4139 PR c/25892
4140 * c.opt (Wpointer-sign): Init to -1.
4141 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4142 OPT_pedantic, to 0 otherwise.
4143 * doc/invoke.texi: Update.
4145 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4147 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4148 constants provided by 80387 instructions in the destination mode.
4150 2006-01-26 Richard Guenther <rguenther@suse.de>
4151 Andrew Pinski <pinskia@physics.uc.edu>
4153 PR tree-opt/21470
4154 partial PR tree-opt/17064
4155 * tree-ssa-structalias.c (intra_create_variable_infos):
4156 Create heap variables for incoming parameters if
4157 flag_argument_noalias > 1.
4158 (find_what_p_points_to): Look through default defs of
4159 parameter decls.
4161 2006-01-26 Jeff Law <law@redhat.com>
4163 PR ada/25900
4164 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4165 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4166 within the VR_RANGE, use the VR_RANGE as the result, not the
4167 VR_ANTI_RANGE.
4168 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4169 bounds for the type.
4171 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4173 * tree-ssa-alias.c (maybe_create_global_var): Change
4174 subvar walking to an assertion that we don't have subvar'd variables.
4176 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4178 PR C/25861
4179 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4180 Use a new variable, inner. PARM_DECLs are always non-weak.
4182 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4184 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4185 --disable-checking.
4187 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4189 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4191 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4193 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4194 (smax_insn, smin_insn, smax_0, smin_0): New.
4196 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4198 PR target/25947
4199 * config/cris/cris.c (cris_order_for_addsi3): New function.
4200 * config/cris/cris-protos.h: Prototype it.
4201 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4202 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4203 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4204 (split for "op.S1 [rx=rx+i],ry (swapped)")
4205 (split for "op(s|u).S1 [rx=rx+i],ry")
4206 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4207 Apply cris_order_for_addsi3 when generating addsi3 insns.
4209 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4211 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4212 (TREE_BLOCK): Add call to EXPR_CHECK.
4214 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4216 PR 25886
4217 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4218 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4219 (dump_omp_clauses): ... here.
4220 (dump_generic_node): Handle OMP_CLAUSE.
4221 * tree.c (omp_clause_num_ops): New.
4222 (omp_clause_code_name): New.
4223 (tree_code_size): Handle OMP_CLAUSE.
4224 (tree_size): Likewise.
4225 (make_node): Document handling of OMP_CLAUSE.
4226 (tree_node_structure): Handle OMP_CLAUSE.
4227 (omp_clause_check_failed): New.
4228 (omp_clause_range_check_failed): New.
4229 (omp_clause_operand_check_failed): New.
4230 (build_omp_clause): New.
4231 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4232 * tree.h (enum omp_clause_code): Declare.
4233 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4234 (OMP_CLAUSE_RANGE_CHECK): Define.
4235 (OMP_CLAUSE_ELT_CHECK): Define.
4236 (omp_clause_check_failed): Declare.
4237 (omp_clause_operand_check_failed): Declare.
4238 (omp_clause_range_check_failed): Declare.
4239 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4240 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4241 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4242 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4243 (OMP_CLAUSE_IF_EXPR): Likewise.
4244 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4245 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4246 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4247 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4248 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4249 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4250 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4251 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4252 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4253 (OMP_CLAUSE_CODE): Define.
4254 (OMP_CLAUSE_SET_CODE): Define.
4255 (OMP_CLAUSE_CODE): Define.
4256 (OMP_CLAUSE_OPERAND): Define.
4257 (struct tree_omp_clause): Declare.
4258 (union tree_node): Add field 'omp_clause'.
4259 * treestruct.def (TS_OMP_CLAUSE): Define.
4260 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4261 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4262 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4263 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4264 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4265 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4266 (OMP_CLAUSE): Define.
4267 * print-tree.c (print_node): Handle OMP_CLAUSE.
4268 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4269 * c-typeck.c: Likewise.
4270 * gimplify.c: Likewise.
4271 * c-omp.c: Likewise.
4272 * tree-nested.c: Likewise.
4273 * tree-inline.c: Likewise.
4274 * c-parser.c: Likewise.
4275 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4276 clauses.
4278 2006-01-25 Roger Sayle <roger@eyesopen.com>
4280 PR rtl-optimization/25703
4281 * combine.c (try_combine): Handle zero_extract and strict_low_part
4282 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4284 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4286 * global.c: Fix comment typos.
4288 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4290 PR target/25758
4291 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4292 Use output_addr_const instead of assemble_name.
4294 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4296 * Makefile.in (sched-vis.o): Update dependencies.
4297 * haifa-sched.c (sched_finish): Clear current_sched_info.
4298 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4299 (dump_flow_info): Call it.
4300 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4301 a slim RTL dump.
4302 * basic-block.h (dump_bb_info): Declare.
4303 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4304 option, and apply options only for dump files whose TDF_RTL,
4305 TDF_TREE, or TDF_IPA bits match.
4306 * rtl.h: Declare new functions exported from sched-vis.c.
4307 * sched-vis.c: Enable also if scheduling is not used.
4308 (print_value): Print the mode of registers if not inside scheduling.
4309 (print_insn): Make it work outside the scheduler. Beautify the output
4310 a bit.
4311 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4313 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4315 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4316 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4317 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4318 depending on the value of CONSTANT_POOL_ADDRESS_P.
4319 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4320 SYMBOL_REF_DECL.
4321 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4322 rather than SYMBOL_REF_DECL.
4323 (rtx_constant_pool): Remove const_rtx_sym_htab.
4324 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4325 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4326 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4327 Remove handling of const_rtx_sym_htab.
4328 (find_pool_constant): Delete.
4329 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4330 rather than find_pool_constant.
4331 (get_pool_constant_for_function): Delete.
4332 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4333 find_pool_constant.
4334 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4335 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4336 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4337 (SYMBOL_REF_CONSTANT): New macro.
4338 (get_pool_constant_for_function): Delete.
4339 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4340 rather than SYMBOL_REF_DECL.
4341 (i386_pe_mark_dllimport): Likewise.
4342 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4343 rather than SYMBOL_REF_DECL.
4344 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4345 (machopic_indirect_call_target): Likewise.
4347 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4349 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4351 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4353 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4355 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4357 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4359 2006-01-24 David Daney <ddaney@avtrex.com>
4361 PR java/25816
4362 * configure.ac (enable_tls): New enable option.
4363 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4364 * configure: Regenerate.
4365 * doc/install.texi (--enable-tls): Document new option.
4366 (--disable-tls): Ditto.
4368 2006-01-24 Richard Henderson <rth@redehat.com>
4370 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4371 * alias.c (true_dependence): Respect it.
4372 (canon_true_dependence, write_dependence_p): Likewise.
4373 * builtins.c (get_builtin_sync_mem): Set it.
4375 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4377 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4378 efficient way.
4380 2006-01-24 DJ Delorie <dj@redhat.com>
4382 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4383 for storing constants in single-bit bitfields.
4385 2006-01-25 Ben Elliston <bje@au.ibm.com>
4387 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4389 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4391 PR tree-opt/25860
4392 * tree-ssa-pre.c (phi_translate): Return NULL
4393 for AGGREGATE_TYPE's.
4395 2006-01-24 Zack Weinberg <zackw@panix.com>
4397 * genautomata.c (process_state_for_insn_equiv_partition):
4398 Use xcalloc for insn_arcs_array.
4399 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4400 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4402 2006-01-24 Richard Henderson <rth@redhat.com>
4404 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4405 update all callers.
4407 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4409 PR rtl-optimization/25890
4410 PR rtl-optimization/25905
4411 * combine.c (expand_compound_operation, expand_field_assignment):
4412 Fail if the bitfield's final position is out of bounds.
4414 2006-01-24 Ian Lance Taylor <ian@airs.com>
4416 PR middle-end/25930
4417 * cgraphunit.c (cgraph_output_in_order): Don't clear
4418 cgraph_asm_nodes until after asm strings have been output.
4420 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4422 * fix-header.c (read_scan_file): Add new parameter imultilib when
4423 calling register_include_chains.
4425 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4427 * omp-low.c: Update documentation.
4429 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4430 Daniel Berlin <dberlin@dberlin.org>
4432 PR tree-opt/25315
4433 PR tree-opt/25857
4434 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4435 return from the function.
4437 2006-01-22 Zack Weinberg <zackw@panix.com>
4439 * rtl.def (match_code): Add second argument.
4440 * genpreds.c (write_extract_subexp): New function.
4441 (write_match_code): Add path argument. Use write_extract_subexp.
4442 (write_predicate_expr): Pass path to write_match_code.
4443 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4444 not perform a mode test.
4445 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4446 a subexpression does not constrain the top-level code set.
4447 * read-rtl.c (read_rtx_variadic): New function.
4448 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4449 * doc/md.texi: Document new notation.
4450 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4451 (cmpsi_operand): ... here, using new notation.
4453 2006-01-22 Zack Weinberg <zackw@panix.com>
4455 * varray.c: Remove GENERATOR_FILE #ifdefs.
4457 2006-01-22 Zack Weinberg <zackw@panix.com>
4459 * genautomata.c (output_reserved_units_table): Emit nothing if
4460 description->query_units_num is zero. Remove extra blank line.
4461 (output_cpu_unit_reservation_p): Short circuit
4462 if description->query_units_num is zero.
4464 2006-01-22 Zack Weinberg <zackw@panix.com>
4466 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4467 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4468 nor any of the random handful of variables that used to be necessary
4469 when this program was linked with rtlanal.o. Prune set of forward
4470 function declarations.
4471 (struct attr_desc): Remove static_p field.
4472 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4473 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4474 (attr_string): Do not read the character one past the length of
4475 the string.
4476 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4477 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4478 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4479 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4480 (make_automaton_attrs): New.
4481 (main): Do not call into genautomata. Call local gen_bypass
4482 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4483 Remove special case for insn_alts.
4484 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4485 varray.h (leftover from previous change). Prune set of forward
4486 function declarations. Remove state_alts fields from all
4487 structures. Remove state_alts_table from struct automaton.
4488 Make everything except main static. Do not maintain num_dfa_decls.
4489 Do not maintain state_alts fields of various structures.
4490 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4491 (add_arc): Remove state_alts argument. All callers updated.
4492 (output_reserved_units_table): Emit #ifdef here...
4493 (output_tables): ...not here. Don't generate state_alts tables.
4494 (expand_automata): Don't generate attributes.
4495 (write_automata): Don't generate state_alts functions.
4496 (main): New function.
4497 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4498 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4499 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4500 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4501 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4502 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4503 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4504 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4505 Delete.
4506 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4507 * genattrtab.h: Delete file.
4508 * Makefile.in (OBJS-common): Add insn-automata.o.
4509 (insn-automata.o): New rule.
4510 (simple_generated_c): Add insn-automata.c.
4511 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4512 (genprogmd): Add automata.
4513 (build/genattrtab): Needs no extra objects nor libraries.
4514 (build/genautomata): Needs build/vec.o and -lm.
4516 2006-01-22 Zack Weinberg <zackw@panix.com>
4518 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4519 (output_dfa_max_issue_rate, locked_states_num): Delete.
4520 (struct automaton): Add locked_states field.
4521 (output_dead_lock_vect): Save number of locked states in
4522 automaton->locked_states. If it is zero, don't print anything.
4523 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4524 (output_internal_dead_lock_func): Only test the dead_lock_vect
4525 for automata that have locked states.
4526 (output_statistics): Always print the number of locked states for
4527 each automaton. Calculate total number of locked states here.
4528 (write_automata): Don't call output_dfa_max_issue_rate.
4529 * genattrtab.c: Define length_unit_log as a const variable.
4530 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4531 max_insn_queue_index const.
4532 * final.c (length_unit_log): Declare const.
4533 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4535 2006-01-22 Zack Weinberg <zackw@panix.com>
4537 * genautomata.c: Include vec.h, not varray.h.
4538 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4539 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4540 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4541 VEC_* macros operating on appropriately typed vectors, or to
4542 malloced arrays when the size is known in advance. Const-ify
4543 many char* variables and function arguments. No functional changes.
4544 * Makefile.in (build/varray.o): Delete rule.
4545 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4546 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4548 2006-01-22 Zack Weinberg <zackw@panix.com>
4550 * gensupport.c: Define get_insn_name and record_insn_name here.
4551 (read_md_rtx): Call record_insn_name as appropriate.
4552 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4553 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4554 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4555 record_insn_name.
4556 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4557 (BUILD_VARRAY): Delete.
4558 (genprognormal): Rename genprogmd. Fold in all programs from
4559 genprognoprint; also attrtab.
4560 (build/genattrtab): Just mention genautomata.o and varray.o.
4561 Reorganize a bit, add comments to make the categories clearer.
4563 2006-01-22 Zack Weinberg <zackw@panix.com>
4565 * genconditions.c (condition_table, add_condition): Delete.
4566 (write_conditions): Don't emit n_insn_conditions nor
4567 insn_elision_unavailable. Issue the gcc version #ifdef here,
4568 inside the table, with no #else clause ...
4569 (write_header): ...not here.
4570 (write_writer): New function.
4571 (main): Don't initialize condition_table. Use add_c_test.
4572 Call write_writer.
4573 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4574 files on the command line.
4575 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4576 Return -1 if there is no entry in the table, don't abort.
4577 (add_c_test, traverse_c_tests): New functions.
4578 * gensupport.h (insn_elision_unavailable, insn_conditions)
4579 (n_insn_conditions): Delete declarations.
4580 (add_c_test, traverse_c_tests): Declare.
4581 * read-rtl.c: Include gensupport.h.
4582 (read_conditions): New function.
4583 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4584 (read_rtx_1): If we get EOF when we were looking for an initial
4585 open paren, return 0. Call read_conditions when appropriate.
4586 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4587 dummy-conditions.o. Eliminate references to insn-conditions.o,
4588 or change them to build/gencondmd.o, as appropriate. Remove
4589 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4590 from $(simple_generated_c). For all files remaining in those
4591 two lists, add insn-conditions.md to the generator command line.
4592 Give insn-constants.h/s-constants their own rules. Add rules
4593 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4594 (build/read-rtl.o): Depend on gensupport.h.
4595 (genprognormal): Include preds.
4596 (genprogearly): Rename genprognoprint; only difference is now that
4597 they don't link with $(BUILD_PRINT).
4598 * dummy-conditions.c: Delete.
4600 2006-01-22 Zack Weinberg <zackw@panix.com>
4602 * genextract.c: Don't include insn-config.h. Do include vec.h.
4603 Declare vectors of int, char, and locstr.
4604 (locstr): New typedef.
4605 (struct extraction): Make all array fields into bare pointers.
4606 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4607 (insn_code_number): Delete.
4608 (accum_extract): New struct.
4609 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4610 (gen_insn): Take insn_code_number as an argument. Use an
4611 accum_extract structure instead of loading data directly into
4612 a struct extraction, and having to know how big it might get.
4613 (walk_rtx): Operate entirely on an accum_extract structure.
4614 (print_path): Avoid unnecessary use of printf.
4615 (print_header): New function, split out of main. Distinguish
4616 more carefully between an unrecognizable insn and an insn that
4617 has the code number of a define_expand.
4618 (main): Pass insn_code_number to gen_insn. Call print_header
4619 only after parsing. Avoid unnecessary use of printf.
4620 * Makefile.in (build/vec.o): New rule.
4621 (build/genextract): Depend on build/vec.o.
4622 (build/genextract.o): Don't depend on insn-config.h.
4624 2006-01-22 Zack Weinberg <zackw@panix.com>
4626 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4627 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4628 practical. Eliminate per-generator-program link rules.
4630 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4632 PR middle-end/24437
4633 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4634 with a call expr to ...
4635 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4637 2006-01-23 Richard Guenther <rguenther@suse.de>
4639 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4640 before make_edge with conditional EDGE_TRUE_VALUE.
4642 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4643 Jan Hubicka <jh@suse.cz>
4644 Richard Guenther <rguenther@suse.de>
4646 PR rtl-optimization/25654
4647 * cfgexpand.c (aggregate_contains_union_type): New function.
4648 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4649 for structure variables that contain a union type.
4651 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4653 * gengtype.c (new_structure): Return the structure.
4654 (create_option): Add an extra "next" argument.
4655 (create_field): New function.
4656 (adjust_field_rtx_def): Use create_option and create_field.
4657 Remove a now-unnecessary call to find_structure.
4658 (adjust_field_tree_def): Likewise.
4659 (note_yacc_type): Remove an unnecessary call to find_structure.
4660 * gengtype.h (new_structure): Return the structure.
4661 (create_option): Add an extra argument.
4662 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4663 (option): Adjust calls to create_option.
4665 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4667 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4669 2006-01-22 Paul Brook <paul@codesourcery.com>
4670 Peter Barada <peter@the-baradas.com>
4672 * config/m68k/m68k.md: Add Coldfire FPU support.
4673 Define FP mode macro and associated attributes.
4674 Use it for float mode patterns.
4675 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4676 (LIBCALL_VALUE): Use m68k_libcall_value.
4677 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4678 (m68k_function_value): Ditto.
4679 (emit_move_sequence): Ditto.
4680 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4681 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4682 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4683 (MULTILIB_EXCEPTIONS): Ditto.
4684 * config/m68k/m68k.opt: Add mcfv4e.
4685 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4686 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4687 (m68k_output_function_prologue): Save ColdFire FPU registers.
4688 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4689 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4690 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4691 ColdFire FPU registers.
4692 (m68k_libcall_value, m68k_function_value): New functions.
4693 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4694 (LIBCALL_VALUE): Use m68k_libcall_value.
4695 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4696 (MASK_COLDFIRE): Add MASK_CFV4E.
4697 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4698 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4699 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4700 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4701 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4702 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4703 * doc/invoke.tex: Document -mcfv4e on m68k.
4705 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4707 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4708 URL.
4710 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4712 PR c++/16190
4713 * c-opts.c (c_common_handle_option): Don't include
4714 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4715 * doc/invoke.texi (C++ Dialect Options): Document that
4716 -Wnon-virtual-dtor is no longer included in -Wall.
4718 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4720 * gcov.c (print_version), gcov-dump.c (print_version),
4721 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4722 dates.
4724 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4726 * df-scan.c (problem_SCAN): Added NULL reset function.
4727 (df_scan_reset_blocks): Added code to call reset block function
4728 (df_bb_refs_delete) Fixed comment.
4729 (df_insn_refs_delete): Made tolerant of deleting non existent info
4730 for dataflow problems that need to be reset.
4731 * df-core.c (df_set_blocks): Ditto.
4732 * df.h (struct df_problem): Added reset_fun.
4733 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4734 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4735 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4736 functions to clear out all references to def-use or use-def chains.
4738 2006-01-21 Ben Elliston <bje@au.ibm.com>
4740 * varasm.c (assemble_real): Initialise data array.
4742 2006-01-20 Paul Brook <paul@codesourcery.com>
4744 Merge from csl-arm-branch.
4745 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4746 * config/arm/arm.md (movdi): Force operands[1] to a register
4747 if we have a non-register source.
4748 (*arm_movdi, *movdf_soft_insn): Require that one of the
4749 operands be a register.
4750 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4751 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4753 2006-01-20 DJ Delorie <dj@redhat.com>
4755 * varasm.c (initialize_constant_valid_p): Allow pointers
4756 initialized from integer constants of lesser precision.
4757 (output_constant): Allow non-int-sized pointer modes to be
4758 initialized from integer constants.
4760 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4762 PR libstdc++/25524
4763 * cppdefault.h (struct default_include): Add multilib flag.
4764 * cppdefault.c (cpp_include_defaults): Set it.
4765 * c.opt (-imultilib): New option.
4766 * c-opts.c (imultilib): New.
4767 (c_common_handle_option): Handle -imultilib.
4768 (c_common_post_options): Likewise.
4769 * c-incpath.c (add_standard_paths, register_include_chains):
4770 Likewise.
4771 * c-incpath.h (register_include_chains): Add extra parameter.
4772 * gcc.c (do_spec_1): Generate -imultilib option.
4773 (The Specs Language): Update %I description.
4774 (process_command): Update copyright notice.
4775 * doc/cppopts.texi (-imultilib): Document.
4776 * doc/invoke.texi (-imultilib): Include in option summary.
4777 (%I): Update specs documentation.
4779 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4781 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4783 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4785 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4786 label numbers.
4788 2006-01-20 Richard Guenther <rguenther@suse.de>
4789 Steven Bosscher <stevenb.gcc@gmail.com>
4791 PR rtl-optimization/24626
4792 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4793 EDGE_TRUE_VALUE if in RTL mode.
4795 Revert
4796 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4797 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4799 2006-01-20 Dirk Mueller <dmueller@suse.com>
4801 PR c++/5520
4802 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4803 instead of a special NOP marker.
4804 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4805 NOP marker handling.
4806 * c-common.h (empty_body_warning): Add forward declaration.
4807 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4808 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4810 2006-01-20 Paul Brook <paul@codesourcery.com>
4812 * Makefile.in (lang_checks): Keep going if mkdir fails.
4814 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4816 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4817 be able to clean out basic block when not necessary.
4818 (df_scan_free): Fixed to properly delete information if df is
4819 unused before calling df_finish.
4820 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4821 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4822 or comment typos.
4823 (df_bb_refs_delete): New function.
4824 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4825 * df-core.c (df_set_blocks): Added code to properly clean out
4826 unused blocks if they are not part of the blocks to consider.
4827 Added additional null check.
4828 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4829 be able to clean out basic block when not necessary
4830 * df.h (df_free_bb_function): Ditto.
4831 (df_bb_refs_delete): New function.
4832 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4833 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4834 basic block parameter to be able to clean out basic block when not
4835 necessary.
4836 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4837 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4838 Fixed to properly delete information if df is unused before
4839 calling df_finish.
4841 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4843 PR rtl-optimization/25799
4844 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4845 Corrected confluence operator to remove bits from op2 before oring
4846 with op1 rather than removing bits from op1.
4847 (df_ru_transfer_function): Corrected test on wrong bitmap which
4848 caused infinite loop. Both of these problems were introduced in
4849 the dataflow rewrite.
4851 2006-01-19 DJ Delorie <dj@redhat.com>
4853 * reload1.c (find_reload_regs): Note the details of reload
4854 failures in the dump file.
4855 (spill_failure): Likewise.
4857 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4859 * loop-iv.c: Include df.h and hashtab.h.
4860 (enum iv_grd_result): New enum.
4861 (DF_REF_IV, DF_REF_IV_SET): New macros.
4862 (struct biv_entry): New.
4863 (df, bivs): New global variables.
4864 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4865 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4866 Removed.
4867 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4868 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4869 analyzed_for_bivness_p, record_biv): New functions.
4870 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4871 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4872 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4873 UD chains.
4874 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4875 analysed.
4876 (iv_number_of_iterations): Use new interface to iv analysis.
4877 * loop-unroll.c: Do not include varray.h.
4878 (analyze_iv_to_split_insn): Use new interface to iv
4879 analysis.
4880 * loop-unswitch.c (may_unswitch_on): Ditto.
4881 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4882 allocated.
4883 (df_bb_modify): Realloc tables to the new index.
4884 (df_find_use): New function.
4885 * df.h (df_find_use): Declare.
4886 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4887 outmode.
4888 * cfgloop.h (struct rtx_iv): Remove analysed field.
4889 (iv_get_reaching_def): Removed.
4890 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4891 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4892 (loop-iv.o): Add df.h and hashtab.h dependency.
4893 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4895 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4897 PR target/25668
4898 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4899 Double TFmode.
4900 (__floatundisf, __floatundidf): Likewise.
4901 * libgcc2.h (IS_IBM_EXTENDED): Define.
4903 2006-01-19 DJ Delorie <dj@redhat.com>
4905 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4907 2006-01-19 Paul Brook <paul@codesourcery.com>
4909 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4910 as nothrow when unwinding tables are disabled.
4912 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4914 PR testsuite/25171
4915 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4916 of bit-field" when in system header.
4918 2006-01-19 DJ Delorie <dj@redhat.com>
4920 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4921 the 16 bit shift limit of the m16c.
4923 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4925 PR target/22099
4926 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4927 * config/i386/i386.c (output_set_got): Output the label if we have one
4928 for the TARGET_DEEP_BRANCH_PREDICTION case.
4930 2006-01-19 Jan Hubicka <jh@suse.cz>
4931 H.J. Lu <hongjiu.lu@intel.com>
4932 Evandro Menezes <evandro.menezes@amd.com>
4934 * invoke.texi (generic): Document
4935 (i686) Update.
4936 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4937 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4938 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4939 (x86_use_incdec, x86_pad_returns): New variables
4940 (TARGET_CPU_DEFAULT_generic): New constant
4941 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4942 (enum processor_type): Add generic32 and generic64.
4943 * i386.md (cpu attribute): Add generic32/generic64
4944 (movhi splitter): Behave sanely when both partial_reg_dependency and
4945 partial_reg_stall are set.
4946 (K8 splitters): Enable for generic as well.
4947 * predicates.md (incdec_operand): Use TARGET_INCDEC
4948 (aligned_operand): Avoid memory mismatch stalls.
4949 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4950 * ppro.md: Enable for generic32
4951 * i386.c (generic64_cost, generic32_cost): New.
4952 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4953 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4954 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4955 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4956 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4957 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4958 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4959 x86_accumulate_outgoing_args, x86_prologue_using_move,
4960 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4961 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4962 Enable for generic.
4963 (x86_use_incdec, x86_pad_returns): New.
4964 (override_options): Add generic32 and generic64, translate "generic"
4965 to generic32/generic64 and "i686" to "generic32", refuse
4966 "generic32"/"generic64" as arch target.
4967 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4968 (ix86_reorg): Honor PAD_RETURNS.
4970 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4972 * tree-pretty-print.c (dump_generic_node): Handle
4973 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4974 * cgraph.c (cgraph_expand_queue): Rename from
4975 cgraph_analyze_queue. Update all users.
4976 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4977 cgraph_expand_queue.
4978 (cgraph_expand_all_functions): Likewise.
4979 (cgraph_finalize_pending_functions): Remove. Update callers.
4981 * tree.h (OMP_DIRECTIVE_P): Define.
4982 (OMP_PARALLEL_FN): Define.
4983 (OMP_PARALLEL_DATA_ARG): Define.
4984 (OMP_SECTIONS_SECTIONS): Define.
4985 * tree-pass.h (pass_expand_omp): Declare.
4986 * omp-low.c (struct omp_region): Declare.
4987 (struct omp_context): Remove fields 'parallel_type',
4988 'parallel_start_ix' and 'parallel_start_additional_args'.
4989 Update all users.
4990 (struct omp_for_data): Rename from struct expand_omp_for_data.
4991 (omp_regions): New static variable.
4992 (root_omp_region): New static variable.
4993 (find_omp_clause): Make static.
4994 (is_in_combined_parallel_ctx): Remove.
4995 (is_combined_parallel): New.
4996 (extract_omp_for_data): Move earlier in the file.
4997 (workshare_safe_to_combine_p): New.
4998 (get_ws_args_for): New.
4999 (determine_parallel_type): Move earlier in the file.
5000 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5001 child function.
5002 (omp_copy_decl): Likewise.
5003 (create_omp_child_function): Likewise.
5004 (lookup_omp_region): New.
5005 (dump_omp_region): New.
5006 (debug_omp_region): New.
5007 (debug_all_omp_regions): New.
5008 (new_omp_region): New.
5009 (scan_omp_parallel): If parallel_nesting_level > 1, the
5010 directive is nested within another parallel directive.
5011 Set OMP_PARALLEL_FN.
5012 (scan_omp_for): Do not try to handle combined parallel+for
5013 cases.
5014 Remove FIXME comment.
5015 (scan_omp_nested): Remove.
5016 (scan_omp_1): Do not call scan_omp_nested when
5017 parallel_nesting_level is > 1.
5018 Do not change the DECL_CONTEXT of local variables found.
5019 (lookup_decl_in_outer_ctx): New.
5020 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5021 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5022 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5023 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5024 If CTX is nested, lookup VAR in the outer context when
5025 building copy assignment.
5026 (lower_send_clauses): Rename from expand_send_clauses.
5027 If CTX is nested, lookup VAR in the outer context when
5028 building copy assignments.
5029 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5030 If CTX is nested, lookup VAR in the outer context when
5031 building copy assignments.
5032 (expand_parallel_call): Rename from build_parallel_call.
5033 Handle combined parallel+workshare cases.
5034 Re-implement to emit code into the CFG.
5035 (list2chain): New.
5036 (expand_omp_parallel): Re-implement to emit code into the CFG.
5037 Call move_sese_region_to_fn to outline the sub-graph
5038 containing the parallel region.
5039 (expand_omp_for_1): Remove.
5040 (expand_omp_for_generic): Re-implement to emit code into the
5041 CFG.
5042 (expand_omp_for_static_nochunk): Likewise.
5043 (expand_omp_for_static_chunk): Likewise.
5044 (expand_omp_for): Likewise.
5045 (expand_omp_sections): Likewise.
5046 (remove_exit_barriers): New.
5047 (expand_omp_synch): New.
5048 (expand_omp): New.
5049 (build_omp_regions_1): New.
5050 (build_omp_regions): New.
5051 (execute_expand_omp): New.
5052 (gate_expand_omp): New.
5053 (pass_expand_omp): Define.
5054 (lower_omp_sections): Rename from expand_omp_sections.
5055 Set OMP_SECTIONS_SECTIONS.
5056 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5057 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5058 (lower_omp_single): Rename from expand_omp_simple.
5059 (lower_omp_master): Rename from expand_omp_master.
5060 (lower_omp_ordered): Rename from expand_omp_ordered.
5061 (lower_omp_critical): Rename from expand_omp_critical.
5062 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5063 (lower_omp_for): Re-implement.
5064 (lower_omp_parallel): Re-implement.
5065 (lower_regimplify): Rename from expand_regimplify.
5066 (lower_omp_1): Rename from expand_omp_1.
5067 If there are syntax errors in the program, replace every
5068 OpenMP directive with NOP.
5069 Call lower_omp_* instead of expand_omp_*.
5070 (lower_omp): Rename from expand_omp.
5072 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5073 * tree-gimple.h (enum omp_parallel_type): Remove.
5074 (gimple_boolify): Declare extern.
5075 (find_omp_clause, determine_parallel_type): Remove.
5077 * gimple-low.c (lower_omp_directive): New.
5078 (lower_stmt): Call it.
5079 (record_vars_into): Move from ...
5080 (record_vars): ... here.
5081 Call record_vars_into with current_function_decl.
5083 * gimplify.c (struct gimplify_ctx): Remove fields
5084 combined_pre_p and combined_ctxp. Update users.
5085 (get_formal_tmp_var): Add documentation.
5086 (gimple_boolify): Make extern.
5087 (gimplify_expr_in_ctx): Remove. Update callers.
5088 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5089 will always be a BIND_EXPR.
5090 (gimplify_expr): Handle OMP_RETURN_EXPR.
5091 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5092 (OMP_PARALLEL): Add 3 operands.
5093 (OMP_SECTIONS): Add 1 operand.
5094 (OMP_RETURN_EXPR): Define.
5096 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5097 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5098 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5099 creating a circular free list.
5100 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5102 * tree-flow.h (move_sese_region_to_fn): Declare.
5103 (record_vars_into): Declare.
5104 * tree-cfg.c (make_omp_sections_edges): New.
5105 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5106 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5107 OMP_SECTIONS and OMP_SECTION.
5108 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5109 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5110 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5111 (gather_blocks_in_sese_region): New.
5112 (struct move_stmt_d): Declare.
5113 (move_stmt_r): New.
5114 (move_block_to_fn): New.
5115 (move_sese_region_to_fn): New.
5117 * passes.c (init_optimization_passes): Schedule
5118 pass_expand_omp after pass_init_datastructures.
5120 * tree-ssa-operands.c (get_expr_operands): Handle
5121 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5122 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5124 2006-01-19 Jeff Law <law@redhat.com>
5126 * tree-vrp.c (extract_range_from_assert): Refine the result range
5127 if the variable referenced by the ASSERT_EXPR has a range and
5128 either the tentative result range or the previous range is a
5129 VR_ANTI_RANGE.
5131 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5133 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5135 2006-01-19 Jan Hubicka <jh@suse.cz>
5137 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5139 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5141 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5142 (expand_compound_operation, expand_field_assignment): Fail if the
5143 bit lengths of an extract operation are out of range.
5144 (make_extraction): Compute wanted_inner_mode based on the position
5145 and length of the extraction. Make it extraction_mode for non-constant
5146 positions, and do not modify offset in that case. When generating a
5147 new MEM, use a mode that can hold the extraction while keeping correct
5148 alignment. Remove code that supported MEMs wrapped by USEs.
5149 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5151 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5153 * config/s390/s390.md ("Y", "y"): New mode attribute.
5154 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5155 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5156 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5157 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5158 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5159 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5160 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5161 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5162 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5163 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5164 "addsi3", "subsi3"): Insn patterns removed.
5165 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5166 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5167 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5168 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5169 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5170 "*sub<mode>3_cconly2"): New insn patterns.
5171 ("addsi3", "subsi3"): New expanders.
5173 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5175 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5176 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5177 existing STMT_VINFO_VECTYPE if available.
5178 (vect_mark_relevant): Add special handling for stmts that are
5179 marked as STMT_VINFO_IN_PATTERN_P.
5180 (vect_analyze_loop): Call vect_pattern_recog.
5181 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5182 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5183 stmt_info.
5184 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5185 (vect_recog_func_ptr): New function-pointer type.
5186 * tree-vect-patterns.c: New file.
5187 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5188 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5189 (vect_pattern_recog_1): New functions.
5190 (vect_pattern_recog_funcs): New array of function pointers.
5192 * tree-vectorizer.h (ternary_op): New enum value.
5193 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5194 declaration. Revised documentation. Removed redundant dump prints.
5195 Removed redundant argument. Added support for reduction patterns.
5196 (vectorizable_reduction): Added support for reduction patterns.
5197 (vect_transform_stmt): Added support for patterns.
5199 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5200 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5201 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5202 (expand_widen_pattern_expr): New function.
5203 (init_optabs): Initialize new optabs udot_prod_optab,
5204 sdot_prod_optab.
5205 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5206 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5207 (expand_widen_pattern_expr): New function declaration.
5208 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5209 tree-codes.
5210 * tree-inline.c (estimate_num_insns_1): Added cases for new
5211 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5212 * tree-pretty-print.c (dump_generic_node): Likewise.
5213 (op_prio): Likewise.
5214 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5215 * tree-ssa-operands.c (get_expr_operands): Added case for
5216 DOT_PROD_EXPR.
5217 * tree-vect-patterns.c (widened_name_p): New function.
5218 (vect_recog_dot_prod_pattern): Added function implementation.
5219 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5220 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5221 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5222 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5224 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5225 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5226 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5227 (init_optabs): Initialize new optabs widen_ssum_optab,
5228 widen_usum_optab.
5229 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5230 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5231 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5232 use instead of type of def.
5233 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5234 function implementation.
5235 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5236 widen_ssumv8hi): New.
5238 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5239 patterns.
5241 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5243 PR c/25805
5244 * c-decl.c (add_flexible_array_elts_to_size): New function.
5245 (finish_decl): Use it.
5247 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5249 * diagnostic.h: Include options.h.
5250 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5251 dependancies for diagnostic.h.
5252 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5254 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5256 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5257 (ssa_ro_call_cache_valid): Ditto.
5258 * tree-ssa-alias.c (sort_tags_by_id): New function.
5259 (init_transitive_clobber_worklist): Ditto.
5260 (add_to_worklist): Ditto.
5261 (mark_aliases_call_clobbered): Ditto.
5262 (compute_tag_properties): Ditto.
5263 (set_initial_properties): Ditto.
5264 (compute_call_clobbered): Ditto.
5265 (compute_may_aliases): Call compute_call_clobbered and grouping.
5266 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5267 (compute_flow_insensitive_aliasing): Grouping now happens in our
5268 caller.
5269 (setup_pointers_and_addressables): Remove clobbering related code.
5270 (add_may_alias): Ditto.
5271 (replace_may_alias): Ditto.
5272 (get_nmt_for): Ditto.
5273 (create_global_var):
5274 (is_escape_site): Return an escape_type enumeration.
5275 * tree-flow-inline.h (is_call_clobbered): Global var does not
5276 imply call clobbered.
5277 (mark_call_clobbered): Take a reason for marking this. Remove
5278 marking of globalness, and cache invalidation.
5279 (clear_call_clobbered): Remove cache invalidation code.
5280 * tree-dfa.c (dump_variable): If details is on, dump the reason
5281 for escaping.
5282 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5283 variable.
5284 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5285 (struct var_ann_d): Ditto.
5286 (enum escape_type): New.
5287 (mark_call_clobbered): Adjust prototype.
5288 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5289 are never call clobbered.
5290 Record reasons for escaping.
5291 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5292 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5293 (ssa_ro_call_cache_valid): Ditto.
5294 (clobbered_v_may_defs): Ditto.
5295 (clobbered_vuses): Ditto.
5296 (ro_call_vuses): Ditto.
5297 (clobber_stats): New.
5298 (init_ssa_operands): Zero out clobber stats.
5299 (fini_ssa_operands): Print out clobber stats.
5300 (get_call_expr_operands): Pass callee fndecl to
5301 add_call_read_ops).
5302 (add_call_clobber_ops): Remove use of cache.
5303 Add use of PURE_CONST information.
5304 (add_call_read_ops): Remove use of cache.
5305 Add use of static not_read information.
5307 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5309 Introduce TLS descriptors for i386 and x86_64.
5310 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5311 (TARGET_ANY_GNU_TLS): New macro.
5312 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5313 (struct machine_function): Add tls_descriptor_call_expanded_p.
5314 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5315 (ix86_current_function_calls_tls_descriptor): Likewise.
5316 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5317 (override_options): Introduce gnu2 tls dialect.
5318 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5319 not leaves.
5320 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5321 Likewise.
5322 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5323 (ix86_init_machine_status): Initialize new field.
5324 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5325 (ix86_tls_module_base): New.
5326 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5327 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5328 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5329 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5330 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5331 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5332 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5333 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5334 * config/i386/predicates.md (tls_modbase_operand): New.
5335 (tp_or_register_operand): New.
5337 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5339 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5340 (look_for_address_of): Ditto.
5341 (ipa_init): Walk the function decls.
5342 (static_execute): Don't set readonly on FUNCTION_DECL's.
5344 2006-01-18 Roger Sayle <roger@eyesopen.com>
5346 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5347 for shifts where the source and destination registers are different.
5349 2006-01-18 Paul Brook <paul@codesourcery.com>
5351 Merge from csl-arm-branch.
5352 2005-03-14 Julian Brown <julian@codesourcery.com>
5353 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5354 (aeabi_llsl): Likewise.
5355 (ashrdi3): Likewise.
5356 (aeabi_lasr): Likewise.
5357 (lshrdi3): Likewise.
5358 (aeabi_llsr): Likewise.
5359 2005-03-10 Julian Brown <julian@codesourcery.com>
5360 * config.gcc: Disable shared libgcc for SymbianOS.
5361 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5363 2006-01-18 DJ Delorie <dj@redhat.com>
5365 * c-pragma.c (handle_pragma_diagnostic): New.
5366 (init_pragma): Register it.
5367 * doc/extend.texi: Document it.
5369 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5370 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5371 (diagnostic_context): Add classify_diagnostic[].
5372 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5373 as errors if they're overridden to DK_WARNING.
5374 (diagnostic_initialize): Initialize classify_diagnostic[].
5375 (diagnostic_set_kind_override): New.
5376 (diagnostic_report_diagnostic): Check for kind changes.
5377 * opts.c (common_handle_option): Take lang_mask. Update callers.
5378 Handle OPT_Werror_.
5379 * common.opt (Werror=): New.
5380 * doc/invoke.texi: Document -Werror=*
5382 2006-01-18 Jeff Law <law@redhat.com>
5384 * tree-vrp.c (test_for_singularity): Correct test for new
5385 min limit. Use operand_equal_p rather than pointer equality
5386 for testing if new min/max values are equal.
5388 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5389 using range information until after propagation and folding.
5391 2006-01-18 Richard Henderson <rth@redhat.com>
5392 Aldy Hernandez <aldyh@redhat.com>
5393 Jakub Jelinek <jakub@redhat.com>
5394 Diego Novillo <dnovillo@redhat.com>
5396 * omp-low.c: New file.
5397 * c-omp.c: New file.
5399 2006-01-18 Richard Henderson <rth@redhat.com>
5400 Jakub Jelinek <jakub@redhat.com>
5401 Diego Novillo <dnovillo@redhat.com>
5403 * doc/invoke.texi: Document -fopenmp.
5404 * tree-dump.h (debug_function): Declare.
5405 * hooks.c (hook_bool_tree_bool_false): New function.
5406 (hook_tree_tree_null): Remove.
5407 (hook_tree_tree_tree_null): New.
5408 * hooks.h: Update to match.
5409 * tree-pretty-print.c (debug_tree_chain): New.
5410 (print_generic_expr): Handle TDF_CHAIN.
5411 (dump_generic_node): Handle BLOCK.
5412 Do not abort with incomplete SWITCH_EXPRs.
5413 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5414 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5415 print space after directive name.
5416 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5417 Handle OMP_MASTER and OMP_ORDERED.
5418 Handle printing of OMP_BODY just in one place, goto
5419 dump_omp_body in the rest of OMP_* nodes that have
5420 OMP_BODY.
5421 Don't handle clause nodes here. Update omp statements to
5422 use dump_omp_clauses.
5423 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5424 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5425 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5426 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5427 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5428 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5429 Adjust output for GOMP_PARALLEL.
5430 (dump_omp_clauses): New.
5431 (print_declaration): Dump DECL_VALUE_EXPR.
5432 (op_symbol_1): Split out of op_symbol.
5433 (dumping_stmts): Remove. Update all users.
5434 * cgraph.c (cgraph_analyze_queue): New.
5435 (cgraph_add_new_function): New.
5436 * cgraph.h (cgraph_analyze_queue): Declare.
5437 (cgraph_add_new_function): Declare.
5438 (cgraph_lower_function): Remove.
5439 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5440 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5441 and TYPE_P nodes in its default clause.
5442 (empty_body_p): New.
5443 (tree_range_check_failed): New.
5444 (build5_stat): New.
5445 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5446 OMP_CLAUSE_REDUCTION_MERGE,
5447 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5448 OMP_CLAUSE_PRIVATE_DEBUG,
5449 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5450 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5451 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5452 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5453 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5454 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5455 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5456 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5457 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5458 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5459 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5460 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5461 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5462 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5463 (TREE_RANGE_CHECK): New.
5464 (empty_body_p): Declare.
5465 (enum omp_clause_default_kind): New.
5466 (build_string_literal): Declare.
5467 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5468 (build5_stat, build5): Declare.
5469 * tree-pass.h (TDF_CHAIN): Define.
5470 * tree-pass.h (PROP_gimple_lomp): Define.
5471 (pass_lower_omp): Declare.
5472 * diagnostic.h (debug_tree_chain): Declare.
5473 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5474 mode_for_size.
5475 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5476 * builtins.c (build_string_literal): Make extern.
5477 * gcc.c (include_spec_function): New.
5478 (static_spec_functions): Add it.
5479 (main): Move load of libgomp.spec ...
5480 (LINK_COMMAND_SPEC): ... here.
5481 (link_gomp_spec): New.
5482 (static_specs): Include it.
5483 (LINK_COMMAND_SPEC): Add link_gomp.
5484 (GOMP_SELF_SPECS): New.
5485 (driver_self_specs): Include it.
5486 (switch_matches): Don't mark inline.
5487 (main): Load libgomp.spec.
5488 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5489 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5490 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5491 * tree-gimple.h (enum omp_parallel): Declare.
5492 (determine_parallel_type): Declare.
5493 (omp_firstprivatize_variable): Declare.
5494 (omp_reduction_init): Declare.
5495 (diagnose_omp_structured_block_errors): Declare.
5496 (struct walk_stmt_info): Add want_return_expr.
5497 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5498 (find_omp_clause): Declare.
5499 (insert_field_into_struct): Declare.
5500 (struct walk_stmt_info): Move from tree-nested.c
5501 (walk_stmts): Declare.
5502 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5503 to 200505.
5504 * cgraphunit.c (cgraph_lower_function): Make static.
5505 (cgraph_finalize_pending_functions): New.
5506 (cgraph_finalize_function): Call it.
5507 (cgraph_finalize_compilation_unit): Likewise.
5508 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5509 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5510 (BT_FN_UINT_UINT): New.
5511 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5512 DEF_FUNCTION_TYPE_VAR_4): Document.
5513 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5514 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5515 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5516 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5517 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5518 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5519 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5520 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5521 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5522 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5523 into separate files.
5524 (DEF_GOMP_BUILTIN): New.
5525 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5526 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5527 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5528 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5529 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5530 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5531 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5532 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5533 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5534 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5535 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5536 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5537 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5538 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5539 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5540 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5541 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5542 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5543 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5544 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5545 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5546 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5547 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5548 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5549 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5550 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5551 * sync-builtins.def: New file, moved from builtins.def.
5552 * omp-builtins.def: New file, moved from builtins.def.
5553 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5554 * gimple-low.c (lower_function_body): Clear data.
5555 (lower_stmt): Do not handle COMPOUND_EXPR.
5556 Remove call to print_node_brief.
5557 * c-tree.h (c_finish_omp_clauses): New prototype.
5558 (C_DECL_THREADPRIVATE_P): Define.
5559 (lookup_name_no_remap, c_omp_remap_private): Remove
5560 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5561 (check_for_loop_decls): Update decl.
5562 (lookup_name_no_remap, c_omp_remap_private): Declare.
5563 (build_indirect_ref, build_modify_expr, pushdecl,
5564 pushdecl_top_level): Move to c-common.h.
5565 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5566 before the switch, but just in the 2 places that need it.
5567 * c-decl.c (diagnose_mismatched_decls): Do not check for
5568 mismatched thread-local attributes when OLDDECL is marked
5569 threadprivate and NEWDECL has no thread-local attributes.
5570 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5571 (c_gimple_diagnostics_recursively): Rename from
5572 c_warn_unused_result_recursively. Invoke
5573 diagnose_omp_structured_block_errors.
5574 (check_for_loop_decls): Return a singular decl found.
5575 * langhooks.c (lhd_omp_predetermined_sharing): Return
5576 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5577 (lhd_omp_firstprivatize_type_sizes): New.
5578 (lhd_omp_assignment): New.
5579 (lhd_omp_predetermined_sharing): New.
5580 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5581 (struct lang_hooks_for_types): Add
5582 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5583 omp_predetermined_sharing, omp_disregard_value_expr,
5584 omp_private_debug_clause, omp_clause_default_ctor,
5585 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5586 (c_finish_omp_clauses): New.
5587 (c_finish_bc_stmt): Diagnose break within omp for.
5588 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5589 (build_unary_op): Return error_mark after reporting
5590 a readonly_error.
5591 (build_modify_expr): Likewise.
5592 * gimplify.c: Include optabs.h and pointer-set.h.
5593 (enum gimplify_omp_var_data): Declare.
5594 (struct gimplify_omp_ctx): Declare.
5595 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5596 and combined_ctxp.
5597 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5598 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5599 (splay_tree_compare_decl_uid): New.
5600 (new_omp_context): New.
5601 (delete_omp_context): New.
5602 (gimple_add_tmp_var): Call omp_add_variable.
5603 (gimplify_bind_expr): Likewise.
5604 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5605 true, disregard DECL_VALUE_EXPR on the decl if any.
5606 (gimplify_expr_in_ctx): New.
5607 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5608 omp_add_variable, omp_notice_variable, omp_is_private
5609 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5610 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5611 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5612 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5613 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5614 gimplify_omp_atomic): New.
5615 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5616 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5617 OMP_CRITICAL and OMP_ATOMIC.
5618 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5619 * c-pragma.h (enum pragma_kind): Add
5620 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5621 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5622 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5623 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5624 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5625 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5626 PRAGMA_OMP_THREADPRIVATE.
5627 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5628 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5629 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5630 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5631 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5632 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5633 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5634 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5635 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5636 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5637 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5638 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5639 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5640 OpenMP directives.
5641 (struct nesting_info): Add field_map,
5642 suppress_expansion, debug_var_chain.
5643 (create_nesting_tree): Initialize them.
5644 (lookup_field_for_decl): Use field_map.
5645 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5646 (convert_local_omp_clauses): New.
5647 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5648 (walk_body): Split out of walk_function.
5649 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5650 (convert_nonlocal_reference): Handle omp statements.
5651 (convert_local_reference): Likewise.
5652 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5653 (unnest_nesting_tree): New.
5654 (lower_nested_functions): Call it.
5655 (insert_field_into_struct): Make extern.
5656 (struct walk_stmt_info): Move to tree-gimple.h.
5657 (walk_stmts): Make extern.
5658 * omp-builtins.def: New file.
5659 * tree-iterator.c (expr_only): Clarify comment.
5660 * c-common.h (pushdecl_top_level, pushdecl,
5661 build_modify_expr, build_indirect_ref,
5662 c_finish_omp_master, c_finish_omp_critical,
5663 c_finish_omp_ordered, c_finish_omp_barrier,
5664 c_finish_omp_atomic, c_finish_omp_flush,
5665 c_finish_omp_for, c_split_parallel_clauses,
5666 omp_clause_default_kind, c_omp_sharing_predetermined,
5667 c_omp_remap_decl): Declare.
5668 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5669 (OBJS-common): Add omp-low.o.
5670 (c-omp.o, omp-low.o): Add.
5671 (gimplify.o): Add dependency on $(OPTABS_H).
5672 (GTFILES): Add omp-low.c.
5673 (gt-stringpool.h): Add.
5674 * tree-cfg.c (set_bb_for_stmt): Do not update the
5675 block-to-labels map if we are currently expanding to RTL.
5676 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5677 checks.
5678 Handle IDENTIFIER_NODE.
5679 (tree_verify_flow_info): Do not ICE when emitting error
5680 messages about invalid labels.
5681 (dump_function_to_file): Reset CFUN before emitting the body
5682 of the function.
5683 (debug_function): New.
5684 * passes.c (init_optimization_passes): Schedule
5685 pass_lower_omp.
5686 * langhooks-def.h (lhd_omp_predetermined_sharing,
5687 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5688 Declare.
5689 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5690 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5691 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5692 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5693 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5694 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5695 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5696 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5697 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5698 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5699 (LANG_HOOK_DECLS): Use them.
5701 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5702 Richard Henderson <rth@redhat.com>
5703 Jakub Jelinek <jakub@redhat.com>
5704 Diego Novillo <dnovillo@redhat.com>
5706 * c-parser.c (pragma_omp_clause): Define.
5707 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5708 (c_parser_compound_statement): Likewise.
5709 (c_parser_statement): Likewise.
5710 (c_parser_pragma): Handle omp pragmas.
5711 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5712 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5713 (c_parser_omp_clause_name, check_no_duplicate_clause,
5714 c_parser_omp_variable_list,
5715 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5716 c_parser_omp_clause_copyprivate,
5717 c_parser_omp_clause_default,
5718 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5719 c_parser_omp_clause_lastprivate,
5720 c_parser_omp_clause_nowait,
5721 c_parser_omp_clause_num_threads,
5722 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5723 c_parser_omp_clause_reduction,
5724 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5725 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5726 c_parser_omp_atomic, c_parser_omp_barrier,
5727 c_parser_omp_critical, c_parser_omp_flush,
5728 c_parser_omp_for_loop, c_parser_omp_for,
5729 c_parser_omp_master, c_parser_omp_ordered,
5730 c_parser_omp_sections_scope, c_parser_omp_sections,
5731 c_parser_omp_parallel, c_parser_omp_single,
5732 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5733 * c-pragma.c (init_pragma): Do omp pragma registration here.
5734 * c.opt (fopenmp): New flag.
5736 2006-01-18 Eric Christopher <echristo@apple.com>
5738 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5739 * config/darwin.h (GOMP_SELF_SPECS): Define.
5741 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5743 * rtl.h: Remove the prototype for reg_alloc.
5745 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5747 PR target/25731
5748 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5749 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5750 sjlj and dwarf2 exception handling.
5751 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5752 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5753 * pa/pa.c (function_value): Treat complex and vector types as
5754 aggregates.
5755 (function_arg): Likewise. Only pass scalar floats in the floating
5756 point argument registers.
5757 * pa/t-slibgcc-dwarf-ver: New file.
5758 * pa/t-slibgcc-sjlj-ver: New file.
5759 * pa/t-slibgcc-elf-ver: Delete file.
5761 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5763 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5764 unlikely_test_section_p test.
5766 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5768 * mode-switching.c (optimize_mode_switching): Make it static.
5769 * basic-block.h: Remove the prototype for
5770 optimize_mode_switching.
5772 * modulo-sched.c (sms_schedule): Make it static.
5773 * rtl.h: Remove the prototype for sms_schedule.
5775 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5776 * rtl.h: Remove the prototype for gcse_after_reload_main.
5778 * reg-stack.c (reg_to_stack): Make it static.
5779 * rtl.h: Remove the prototype for reg_to_stack.
5781 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5782 Make them static.
5783 * rtl.h: Remove the prototypes for regrename_optimize and
5784 copyprop_hardreg_forward.
5786 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5788 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5789 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5790 Test against the appropriate null constant for the mode.
5791 If 'fixup_overlap' is true, swap the operands if they overlap.
5792 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5793 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5794 alpha_split_tmode_pair and adjust for above change.
5795 * config/alpha/alpha.md (movtf_internal): Adjust call to
5796 alpha_split_tfmode_pair and rely on it to swap the operands.
5797 (movti_internal): New insn and post-reload splitter.
5798 (movti): New expander.
5800 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5802 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5803 operands.
5805 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5807 * rtlanal.c (global_reg_mentioned_p_1,
5808 global_reg_mentioned_p): Remove.
5809 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5811 * flow.c (initialize_uninitialized_subregs): Make it static.
5812 * rtl.h: Remove the prototype for
5813 initialize_uninitialized_subregs.
5815 * function.c (instantiate_virtual_regs): Make it static.
5816 * function.h: Remove the prototype for
5817 instantiate_virtual_regs.
5819 * regmove.c (regmove_optimize, combine_stack_adjustments):
5820 Make them static.
5821 * rtl.h: Remove the prototypes for regmove_optimize and
5822 combine_stack_adjustments.
5824 2006-01-17 Roger Sayle <roger@eyesopen.com>
5826 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5827 (size_cost): Encode costs in bytes so that a reg-reg addition is
5828 equivalent to COSTS_N_INSNS(1).
5829 (override_options): Use the size_cost.branch_cost as the default
5830 ix86_branch_cost when optimizing for size.
5832 2006-01-18 Ben Elliston <bje@au.ibm.com>
5834 * Makefile.in (D32PBIT_FUNCS): New.
5835 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5836 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5837 D64PBIT_FUNCS and D128PBIT_FUNCS.
5838 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5839 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5840 D128PBIT are set.
5841 (decnumber_dep): Define.
5842 * doc/libgcc.texi (Decimal float library routines): New node.
5843 * config/dfp-bit.h, config/dfp-bit.c: New files.
5845 2006-01-18 Ben Elliston <bje@au.ibm.com>
5847 * expr.c (emit_move_change_mode): Always adjust addresses, not
5848 just during reload. Copy replacements only during reload.
5849 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5850 emit_move_via_integer.
5852 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5854 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5855 instead of $(srcdir) and ${srcdir}.
5857 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5859 PR target/592
5860 PR middle-end/11135
5861 * arm.h (struct machine_function): Add pic_reg.
5862 * arm.c (arm_pic_register): Make unsigned.
5863 (arm_override_options): Only set arm_pic_register if
5864 TARGET_SINGLE_PIC_BASE.
5865 (use_return_insn): Only test for a pic register if it is fixed.
5866 (arm_compute_save_reg0_reg12_mask): Likewise.
5867 (thumb_compute_save_reg_mask): Likewise.
5868 (legitimate_pic_operand): Factor out some known invariants.
5869 (legitimize_pic_address): If we don't have a fixed pic register,
5870 then set up a pseudo in the function entry sequence. Handle the
5871 pic base being in a pseudo.
5872 (arm_load_pic_register): Handle the pic register being in a pseudo.
5873 (arm_expand_prologue): Only set up the pic register if it is fixed.
5874 (thumb_expand_prologue): Likewise.
5875 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5876 (pic_load_addr_based_insn): Likewise.
5877 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5878 fixed.
5880 2006-01-18 Ben Elliston <bje@au.ibm.com>
5882 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5883 decimal float modes for all floating point registers.
5885 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5886 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5888 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5890 PR c/25682
5891 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5892 even when the pointer is not NULL.
5894 2006-01-16 Ian Lance Taylor <ian@airs.com>
5896 * common.opt (ftoplevel-reorder): New option.
5897 * cgraph.c (cgraph_asm_nodes): New global variable.
5898 (cgraph_asm_last_node): New static variable.
5899 (cgraph_order): New global variable.
5900 (cgraph_create_node): Set new order field.
5901 (cgraph_varpool_node): Likewise.
5902 (decide_is_variable_needed): Return true if not
5903 flag_toplevel_reorder.
5904 (cgraph_add_asm_node): New function.
5905 * cgraph.h (struct cgraph_node): Add order field.
5906 (struct cgraph_varpool_node): Add order field.
5907 (struct cgraph_asm_node): Define.
5908 (cgraph_asm_nodes, cgraph_order): Declare.
5909 (cgraph_add_asm_node): Declare.
5910 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5911 function.
5912 (cgraph_varpool_assemble_pending_decls): Call it.
5913 (cgraph_output_pending_asms): New static function.
5914 (cgraph_finalize_compilation_unit): Call it.
5915 (struct cgraph_order_sort): Define.
5916 (cgraph_output_in_order): New static function.
5917 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5918 !flag_toplevel_reorder case.
5919 * c-parser.c: Include "cgraph.h".
5920 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5921 assemble_asm.
5922 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5923 than -fno-unit-at-a-time.
5924 * doc/invoke.texi (Option Summary): Mention
5925 -fno-toplevel-reorder.
5926 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5927 -funit-at-a-time documentation.
5929 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5930 Kazu Hirata <kazu@codesourcery.com>
5932 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5934 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5936 * Makefile.in (FUNCTION_H): New. Use it instead of
5937 function.h throughout the file.
5938 * function.h: Include tree.h.
5940 2006-01-17 Ben Elliston <bje@au.ibm.com>
5942 * recog.c: Separate some functions with whitespace.
5944 2006-01-16 Richard Henderson <rth@redhat.com>
5946 Merge from gomp branch:
5947 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5948 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5949 and rename from struct inline_data. Rename callee* to dst*;
5950 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5951 transform_new_cfg, transform_return_to_modify, and
5952 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5953 update_clones_p.
5954 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5955 (copy_decl_for_dup): Remove.
5956 * tree-inline.c (struct inline_data): Move to header.
5957 (insert_decl_map): Export.
5958 (remap_decl): Update for member name changes. Use copy_decl hook.
5959 Allow for replacement to be a non-decl. Remove dead code.
5960 (remap_type_1): Check for existing mapping.
5961 (remap_type): Export.
5962 (remap_decls): Update for member name changes.
5963 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5964 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5965 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5966 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5967 (tree_function_versioning, build_duplicate_type): Likewise.
5968 (copy_body_r): Likewise. Export.
5969 (copy_decl_for_dup): Split into ...
5970 (copy_decl_for_dup_finish, copy_decl_to_var,
5971 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5972 (replace_ref_tree, inlining_p): Remove.
5974 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5976 * ifcvt.c (if_convert): Make it static.
5977 * rtl.h: Remove the prototype for if_convert.
5979 * local-alloc.c (local_alloc): Make it static.
5980 * rtl.h: Remove the prototype for local_alloc.
5982 * loop.c (loop_optimize): Make it static.
5983 * cfgloop.h: Remove the prototype for loop_optimize.
5984 * rtl.h: Likewise.
5986 2006-01-16 DJ Delorie <dj@redhat.com>
5988 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5989 mems.
5991 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5993 * pa.md: Disparage copies between general and floating-point registers
5994 in 32-bit move patterns.
5996 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5998 PR testsuite/25741
5999 * Makefile.in (check-%): Depend on site.exp instead of
6000 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6001 directories.
6003 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6005 * global.c (global_alloc): Make it static.
6006 * rtl.h: Remove the prototype for global_alloc.
6008 2006-01-16 Richard Guenther <rguenther@suse.de>
6010 * tree-ssa-alias.c (struct used_part): Add write_only field.
6011 (get_or_create_used_part_for): Initialize it to true.
6012 (create_overlap_variables_for): Don't create structure variables
6013 for structures that only are written to.
6014 (find_used_portions): Handle MODIFY_EXPR to track whether a
6015 structure is only written to.
6017 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6019 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6020 static.
6021 * basic-block.h: Remove the prototype for
6022 partition_hot_cold_basic_blocks.
6024 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6026 * cppspec.c (lang_specific_spec_functions): Remove.
6027 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6028 * gcc.h (lang_specific_spec_functions): Remove.
6029 * gccspec.c (lang_specific_spec_functions): Remove.
6031 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6033 * combine.c (record_value_for_reg): Invalidate registers
6034 if INSN is null.
6035 (record_dead_and_set_regs_1): Likewise, by passing them to
6036 record_value_for_reg.
6037 (record_dead_and_set_regs): Invalidate stores made by a
6038 call. We do not combine across a call, but we still
6039 relied on equivalences.
6041 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6043 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6044 vrp_int_const_binop returning non-constant nodes.
6046 2006-01-16 Paul Brook <paul@codesourcery.com>
6048 * config/m68k/m68k.c (output_move_const_into_data_reg):
6049 Output correct mnemonic for mvz and mvs.
6051 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6053 * rtl-factoring.c: Add sequence abstraction algorithm.
6054 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6055 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6056 ABNORMAL edges.
6057 (block_has_preserve_label): New function.
6058 * common.opt: Register new pass.
6059 * Makefile.in: Ditto.
6060 * passes.c: Ditto.
6061 * timevar.def: Ditto.
6062 * tree-pass.h: Ditto.
6063 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6064 * rtl.h (make_jump_insn_raw): Add forward decl.
6065 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6067 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6068 Roger Sayle <roger@eyesopen.com>
6070 * fold-const.c (fold_minmax): New static function.
6071 (fold_binary) <MIN_EXPR>: Call it.
6072 <MAX_EXPR>: Likewise.
6073 * stor-layout.c (place_field): Use DECL_SIZE consistently
6074 in the computation of the new record size.
6076 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6078 * cse.c (cse_condition_code_reg): Make it static.
6079 * rtl.h: Remove the prototype for cse_condition_code_reg.
6081 * combine.c (combine_instructions): Make it static.
6082 * rtl.h: Remove the prototype for combine_instructions.
6084 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6086 PR target/25168
6087 * tree.c (get_file_function_name_long): Concatenate the first global
6088 object name with a string derived from the input filename of the object
6089 for type "F".
6091 2006-01-16 Ben Elliston <bje@au.ibm.com>
6093 * config/i386/winnt-stubs.c: Update FSF address.
6094 * config/xtensa/ieee754-df.S: Ditto.
6095 * config/xtensa/ieee754-sf.S: Ditto.
6097 2006-01-14 Ian Lance Taylor <ian@airs.com>
6099 * ifcvt.c (noce_init_if_info): New static function, broken out of
6100 noce_process_if_block.
6101 (noce_process_if_block): Call noce_init_if_info.
6102 (check_cond_move_block): New static function.
6103 (cond_move_process_if_block): New static function.
6104 (process_if_block): Call cond_move_process_if_block.
6106 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6108 * cselib.c (hash_table): Rename to cselib_hash_table.
6109 (cselib_clear_table, discard_useless_values,
6110 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6111 cselib_init, cselib_finish): Adjust uses of hash_table.
6113 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6115 PR tree-optimization/25485
6116 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6117 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6118 is known to be false and true, respectively.
6120 2006-01-14 Richard Guenther <rguenther@suse.de>
6122 PR tree-optimization/22548
6123 PR tree-optimization/22555
6124 PR tree-optimization/22501
6125 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6126 * params.def (salias-max-array-elements): New parameter.
6127 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6128 * doc/invoke.texi (salias-max-array-elements): Document.
6129 * tree-flow-inline.h (var_can_have_subvars): We also handle
6130 arrays now.
6131 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6132 COMPONENT_REF.
6133 * tree-ssa-structalias.c (params.h): Include.
6134 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6135 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6136 (get_constraint_for): For ADDR_EXPR operating on something
6137 containing an ARRAY_REF, add all subvars to the solution.
6138 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6139 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6140 for creating MUST_DEFs.
6141 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6143 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6145 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6146 functions.
6147 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6148 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6149 number_of_iterations_le): New functions.
6150 (number_of_iterations_special): Removed.
6151 (number_of_iterations_exit): Do not use number_of_iterations_special.
6152 * tree.c (unsigned_type_for): Always return integer type.
6154 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6155 Richard Guenther <rguenther@suse.de>
6157 PR rtl-optimization/24257
6158 * gcse.c (find_moveable_store): Only consider a store movable
6159 when the SET_SRC of the insn can be assigned to a register.
6161 2006-01-14 Ian Lance Taylor <ian@airs.com>
6163 * tree.c (tree_not_class_check_failed): New function.
6164 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6165 (tree_not_class_check_failed): Declare.
6167 2006-01-13 Ian Lance Taylor <ian@airs.com>
6169 * reload1.c (do_output_reload): Add assertion rejecting a
6170 CALL_INSN.
6172 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6174 * combine.c (struct reg_stat): Add new fields truncation_label and
6175 truncated_to_mode.
6176 (record_value_for_reg): Reset truncated_to_mode.
6177 (record_truncated_value): New function.
6178 (check_promoted_subreg): Call it. Rename to check_conversions.
6179 (combine_instructions): Rename check_promoted_subreg to
6180 check_conversions.
6181 (reg_truncated_to_mode): New function.
6182 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6183 (gen_lowpart_or_truncate): New function.
6184 (force_to_mode): Use it instead of gen_lowpart.
6186 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6188 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6189 VAR is a tag, not its type tag.
6191 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6193 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6194 alternatives to match style of other entries.
6195 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6197 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6199 PR tree-optimization/25771
6200 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6201 SSA_NAMES.
6203 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6205 PR tree-opt/24365
6206 * tree-inline.c (declare_return_variable): If the return variable
6207 was marked as a non gimple complex, set the return slot variable
6208 to be a non gimple comple variable.
6210 2006-01-13 Richard Guenther <rguenther@suse.de>
6212 * builtins.c (expand_builtin_sincos): New function.
6213 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6214 do not set errno.
6215 (expand_builtin): Expand sincos using expand_builtin_sincos.
6217 2006-01-12 DJ Delorie <dj@redhat.com>
6219 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6220 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6221 so that constant shifts can be split.
6222 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6223 (m32c_valid_pointer_mode): Make static.
6224 (shift_gen_func_for): New.
6225 (m32c_prepare_shift): Use it. Split large const shifts into
6226 multiple shifts.
6227 * config/m32c/predicates.md (shiftcount_operand): Allow more
6228 general operands.
6229 (longshiftcount_operand): New.
6230 * doc/md.texi (Machine Constraints): Document In6.
6232 2006-01-13 Ben Elliston <bje@au.ibm.com>
6234 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6235 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6236 documentation.
6238 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6240 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6241 to try to avoid clobbering pieces of structures when we know
6242 something about the whole structure.
6243 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6245 2006-01-13 Ben Elliston <bje@au.ibm.com>
6247 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6248 return in memory, as this is no limitation is no longer present.
6250 2006-01-12 DJ Delorie <dj@redhat.com>
6252 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6253 mova with fb, and for fb+0 -> An.
6255 * config/m32c/mov.md (peephole2): Fix enabling logic.
6257 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6258 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6259 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6260 FINI_ARRAY_SECTION_ASM_OP): Define.
6262 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6263 variable.
6264 (m32c_legitimize_reload_address): New logic to reload FB to An.
6265 (m32c_output_reg_push): Add newline.
6266 (m32c_output_reg_pop): Likewise.
6268 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6270 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6272 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6274 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6276 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6278 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6279 match_code.
6281 2006-01-11 Ben Elliston <bje@au.ibm.com>
6283 * rtlanal.c (find_reg_note): Assert insn is not null.
6285 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6287 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6288 ifdef.
6290 2006-01-11 Jeff Law <law@redhat.com>
6292 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6293 hold edge pairs.
6294 (mark_threaded_blocks, register_jump_thread): New functions.
6295 (thread_through_all_blocks): Remove unwanted argument. No
6296 longer rely on e->aux to communicate thread target info.
6297 Call mark_threaded_blocks. Release the threaded_blocks
6298 bitmap and threaded_edges vector when complete.
6299 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6300 (threaded_blocks): Remove.
6301 (tree_ssa_dominator_optimize): Remove initialization and
6302 finalization of threaded_blocks. Simplify call to
6303 thread_through_all_blocks.
6304 (thread_across_edge): Call register_jump_thread rather than
6305 storing thread information into e->aux.
6306 (free_all_edge_infos): Simplify now that e->aux is no longer
6307 used to communicate with thread_through_all_blocks.
6308 * tree-flow.h (thread_through_all_blocks): Update prototype.
6309 (register_jump_thread): Prototype.
6311 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6313 * df-core.c (df_compact_blocks, df_bb_replace): Use
6314 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6316 2006-01-11 Richard Guenther <rguenther@suse.de>
6318 PR tree-optimization/25734
6319 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6320 stop propagation after successful propagation to the LHS.
6322 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6324 * basic-block.h (control_flow_graph): Change the type of
6325 x_basic_block_info to VEC(basic_block,gc) *.
6326 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6327 basic_block_info.
6328 (SET_BASIC_BLOCK): New.
6329 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6330 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6331 * cfgbuild.c (find_basic_blocks): Likewise.
6332 * cfglayout.c (fixup_reorder_chain): Likewise.
6333 * cfgrtl.c (create_basic_block_structure,
6334 rtl_create_basic_block): Likewise.
6335 * ifcvt.c (find_if_case_1): Likewise.
6336 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6337 Likewise.
6339 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6341 * Makefile.in: Removed rotted odf.c entry.
6343 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6345 PR target/25706
6346 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6347 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6348 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6349 output pattern modifier, not %e.
6350 * config/cris/cris.c (cris_op_str): Update comment about pattern
6351 modifier.
6352 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6353 before falling through into...
6354 <case 'E'>: Redefined from old 'e' case.
6356 2006-01-11 Jan Hubicka <jh@suse.cz>
6358 PR target/25042
6359 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6361 2006-01-11 Jan Hubicka <jh@suse.cz>
6363 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6364 * i386.c (x86_decompose_lea): Kill.
6365 (ix86_rtx_costs): Kill.
6367 2006-01-11 Jan Hubicka <jh@suse.cz>
6369 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6370 * cgraph.h (cgraph_node): Add inline_decl.
6371 (cgraph_insert_node_to_hashtable): Declare.
6372 (save_inline_function_body): Declare.
6373 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6374 clones.
6375 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6376 (cgraph_function_versioning): Update call of tree_function_versioning.
6377 (save_inline_function_body): New function.
6378 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6379 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6380 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6381 (cgraph_default_inline_p): Likewise.
6382 (cgraph_decide_inlining_incrementally): Likewise.
6383 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6384 (copy_bb): Kill saving; do updating of clones.
6385 (copy_cfg_body): Kill saving.
6386 (initialize_inlined-parameters): Likewise.
6387 (expand_call_inline): Likewise.
6388 (save_body): Kill.
6389 (tree_function_versioning): New parameter "update_clones".
6390 (inlining_p): Kill saving.
6391 * tree-inline.h (tree_function_versioning): Update prototype.
6392 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6393 saving.
6395 2006-01-11 Ian Lance Taylor <ian@airs.com>
6397 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6398 Allow undoing set of machine mode.
6399 (do_SUBST): Use enums instead of is_int.
6400 (do_SUBST_MODE): New function.
6401 (SUBST_MODE): New macro.
6402 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6403 reg and trying to replace reg_regno_rtx with a new register.
6404 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6405 (simplify_set): Use SUBST_MODE.
6406 (distribute_notes): Remove code that tried to update reg notes
6407 for regno_reg_rtx changes.
6409 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6411 PR tree-optimization/23109
6412 PR tree-optimization/23948
6413 PR tree-optimization/24123
6415 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6416 * tree-cfg.c (single_noncomplex_succ): New.
6417 * tree-flow.h (single_noncomplex_succ): Declare it.
6418 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6419 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6420 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6421 insert_bb, register_division_in, insert_reciprocals,
6422 replace_reciprocal, free_bb): New.
6423 (execute_cse_reciprocals_1): Rewritten.
6424 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6425 Do not commit any edge insertion. Always compute dominators and
6426 create the allocation pool.
6427 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6428 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6429 * targhooks.c (default_min_divistions_for_recip_mul): New.
6430 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6431 * passes.c (init_optimization_passes): Run recip after tree loop
6432 optimizations.
6433 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6435 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6436 Kenneth Zadeck <zadeck@naturalbridge.com>
6438 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6439 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6440 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6441 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6442 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6443 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6444 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6445 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6446 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6447 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6448 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6449 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6450 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6451 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6452 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6453 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6454 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6455 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6456 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6457 DF_SCAN_POST_ALLOC): New macros.
6458 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6459 df_free_bb_function, df_local_compute_function, df_init_function,
6460 df_dataflow_function, df_confluence_function_0,
6461 df_confluence_function_n, df_transfer_function,
6462 df_finalizer_function, df_free_function, df_dump_problem_function,
6463 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6464 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6465 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6466 df_urec_bb_info, ) New types.
6467 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6468 variables.
6469 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6470 df_analyze_simple_change_some_blocks,
6471 df_analyze_simple_change_one_block, df_compact_blocks,
6472 df_bb_replace, df_bb_regno_last_use_find,
6473 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6474 df_insn_regno_def_p, df_find_def, df_find_use,
6475 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6476 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6477 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6478 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6479 debug_df_chain, df_get_dependent_problem, df_chain_create,
6480 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6481 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6482 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6483 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6484 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6485 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6486 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6487 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6488 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6489 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6490 df_reorganize_refs, df_set_state, df_hard_reg_init,
6491 df_read_modify_subreg_p) New public functions.
6492 * df-core.c: The core dataflow solver and glue routines for rtl
6493 dataflow.
6494 (df_init, df_add_problem, df_set_blocks, df_finish,
6495 df_hybrid_search_forward, df_hybrid_search_backward,
6496 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6497 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6498 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6499 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6500 df_reg_defined, df_find_use, df_reg_used, df_dump,
6501 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6502 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6503 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6504 debug_df_useno, reset_df_after_reload): New functions.
6505 * df-scan.c: The scanning fuctions, once in df.c, completely
6506 rewritten so that they now fully model the functionality of
6507 register usage at the backend.
6508 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6509 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6510 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6511 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6512 df_get_artificial_defs, df_get_artificial_uses,
6513 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6514 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6515 df_refs_delete, df_reorganize_refs, df_set_state,
6516 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6517 df_def_record_1, df_defs_record, df_uses_record,
6518 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6519 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6520 df_record_exit_block_uses, df_hard_reg_init): New functions.
6522 * df-problems.c: Seven concrete dataflow problems that use the
6523 scanning in df-scan.c and are solved by the engine in df-core.c.
6524 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6525 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6526 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6527 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6528 df_ru_free_bb_info, df_ru_alloc,
6529 df_ru_bb_local_compute_process_def,
6530 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6531 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6532 df_ru_transfer_function, df_ru_free, df_ru_dump,
6533 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6534 df_rd_free_bb_info, df_rd_alloc,
6535 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6536 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6537 df_rd_transfer_function, df_rd_free, df_rd_dump,
6538 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6539 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6540 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6541 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6542 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6543 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6544 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6545 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6546 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6547 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6548 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6549 df_urec_mark_reg_use_for_earlyclobber,
6550 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6551 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6552 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6553 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6554 df_chain_create_bb_process_use, df_chain_create_bb,
6555 df_chain_finalize, df_chain_free, df_chains_dump,
6556 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6557 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6558 df_reg_lifetime): New functions.
6559 * df.c: Deleted file.
6560 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6561 consistent with new df api.
6562 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6563 rest_of_handle_sms): Ditto.
6564 * web.c (unionfind_union, union_defs, entry_register, web_main):
6565 Ditto.
6566 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6567 invariant_expr_equal_p, find_defs, check_dependencies,
6568 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6569 free_inv_motion_data, move_loop_invariants): Ditto.
6570 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6571 Update dependencies.
6572 (odf.c): Added defective entry that was deleted later in day.
6573 * sched-deps.c (sched_analyze_1): Ditto.
6575 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6577 * tree-ssa-operands.c (get_expr_operands): Record addressable
6578 variables directly. Do not call add_stmt_operands for CONST_DECLs
6579 and ARRAY_DECLs.
6580 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6581 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6583 2006-01-11 Ben Elliston <bje@au.ibm.com>
6585 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6586 function returns true in the positive case.
6588 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6590 PR target/20754
6591 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6592 for SI, DI, SF and DF modes. Add alternatives to copy between
6593 general and floating point registers to the 32-bit patterns.
6594 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6595 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6596 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6597 generating 64-bit code.
6598 * config/pa/pa.c (output_move_double): Handle copies between general
6599 and floating registers.
6601 2006-01-10 Stuart Hastings <stuart@apple.com>
6603 * config/i386/i386.md (set_got): Update.
6604 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6605 (builtin_setjmp_receiver): Mach-O support.
6606 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6607 (GOT_SYMBOL_NAME): Define.
6608 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6609 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6610 * config/i386/i386.c (override_options): Revise for Darwin.
6611 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6612 support. (darwin_x86_file_end): New. (output_set_got): Add label
6613 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6614 * config/i386/i386-protos.h (output_set_got): Likewise.
6615 * config/darwin.c (machopic_legitimize_pic_address): Update
6616 regs_ever_live[].
6618 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6620 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6621 when MODE isn't BLKmode.
6623 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6625 PR rtl-optimization/25367
6626 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6628 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6630 PR target/25718
6631 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6632 for a negative bound.
6634 2006-01-10 Richard Guenther <rguenther@suse.de>
6636 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6637 Never override with anything constraint.
6639 2006-01-10 Jan Beulich <jbeulich@novell.com>
6641 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6642 256 bits when optimize_size.
6644 2006-01-10 Jan Beulich <jbeulich@novell.com>
6646 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6647 MASK_ALIGN_DOUBLE.
6648 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6649 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6650 arguments.
6652 2006-01-10 Ben Elliston <bje@au.ibm.com>
6654 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6655 float modes.
6656 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6657 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6658 (USE_FP_FOR_ARG): Reject decimal float modes.
6659 (function_arg_advance): Likewise.
6660 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6661 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6662 point types in AltiVec vectors.
6663 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6664 (rs6000_libcall_value): Likewise.
6666 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6668 * config/xtensa/ieee754-df.S: New file.
6669 * config/xtensa/ieee754-sf.S: New file.
6670 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6671 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6672 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6674 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6676 * config/sh/predicates.md (binary_float_operator,
6677 binary_logical_operator, commutative_float_operator,
6678 equality_comparison_operator, greater_comparison_operator,
6679 less_comparison_operator, logical_operator,
6680 noncommutative_float_operator, shift_operator,
6681 symbol_ref_operand, unary_float_operator): Remove redundant
6682 conditionals.
6684 2006-01-09 Jeff Law <law@redhat.com>
6686 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6687 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6688 now unused arguments. Callers updated.
6689 (eliminate_redundant_computations): Remove now unused arguments,
6690 callers updated.
6691 (local_fold): Remove, no longer used.
6692 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6693 and moved to...
6694 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6695 (simplify_cond): New function.
6696 (forward_propagate_into_cond): Call simplify_cond.
6698 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6700 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6701 (*vec_extractv2di_1_sse): New.
6703 2006-01-09 Ben Elliston <bje@au.ibm.com>
6705 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6707 2006-01-08 Richard Guenther <rguenther@suse.de>
6709 * tree-ssa-structalias.c (get_constraint_for): Remove
6710 anyoffset argument.
6711 (get_constraint_for_component_ref): Likewise.
6712 (do_deref): Likewise.
6713 (get_constraint_for): Likewise.
6714 (do_structure_copy): Likewise.
6715 (handle_ptr_arith): Likewise.
6716 (find_func_aliases): Likewise. Remove unused need_anyoffset
6717 variable.
6719 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6720 Kaz Kojima <kkojima@gcc.gnu.org>
6722 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6723 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6724 (EXTRA_CONSTRAINT_C16): Remove.
6725 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6726 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6727 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6728 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6729 constants of SHmedia. Handle nested constant expressions of
6730 SHmedia correctly.
6731 (andcosts): Fix the costs for SHmedia constants.
6732 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6733 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6734 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6735 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6736 (movv4hi_i, movv2si_i): Likewise.
6737 (movsi_const): Adjust the second operand of ior so to match with
6738 the Csu constraint.
6739 (movdi_const, movdi_const_32bit): Likewise.
6740 (movdi_const_16bit+1): Don't sign-extend LOW.
6741 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6742 step.
6743 (*double_shori): Fix the split condition. Use GEN_INT instead
6744 of get_int_mode calls. Mask lower 16-bit of the argument of
6745 the last GEN_INT.
6746 (sym2GOTPLT): Remove.
6747 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6748 gen_rtx_UNSPEC.
6749 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6750 instead of EXTRA_CONSTRAINT_C16.
6752 2006-01-07 Ian Lance Taylor <ian@airs.com>
6753 David Edelsohn <edelsohn@gnu.org>
6755 PR rtl-optimization/25662
6756 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6757 for constant operands instead of simplify_gen_binary.
6758 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6759 after trying simplify_binary_operation
6761 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6763 * tree.c (iterative_hash_expr): Hash decls based on UID.
6765 2006-01-06 Eric Christopher <echristo@apple.com>
6767 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6768 (TARGET_UNWIND_EMIT): Fix spelling.
6769 * target.h (gcc_target): Add except_table_label.
6770 * except.c (output_function_exception_table): Use.
6771 * varasm.c (default_emit_except_table_label): New.
6772 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6773 define.
6774 (asm_out): Add here.
6775 * output.h (default_emit_except_table_label): Prototype.
6776 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6777 * config/darwin.c (darwin_emit_except_table_label): Define.
6778 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6780 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6782 PR tree-optimization/18527
6783 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6784 number_of_iterations_special, number_of_iterations_exit):
6785 Move base and step of an iv to a single structure. Add
6786 no_overflow flag, and use it in # of iterations analysis.
6787 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6788 folded_casts argument.
6789 (simple_iv): Pass base and step in a structure. Set no_overflow
6790 flag.
6791 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6792 Evaluate expensiveness of computing # of iterations instead of
6793 the final expression.
6794 * tree-scalar-evolution.h (affine_iv): New structure.
6795 (simple_iv): Declaration changed.
6796 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6797 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6798 find_givs_in_stmt): Changed due to simple_iv change.
6800 2006-01-06 Jeff Law <law@redhat.com>
6802 PR ada/24994
6803 * tree-cfg.c (bsi_replace): Rename final argument from
6804 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6805 change (stmt -> orig_stmt).
6806 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6807 (bsi_remove): Add new argument. Remove EH information
6808 if requested.
6809 (verify_eh_throw_table_statements): New function.
6810 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6811 updated.
6812 * tree-optimize.c (execute_free_cfg_annotations): Verify
6813 the EH throw statement table after removing annotations.
6814 * except.h (verify_eh_throw_table_statements): Prototype.
6815 * tree-flow.h (bsi_remove): Update prototype.
6816 * tree-vrp.c (remove_range_assertions): Add new argument to
6817 bsi_remove call.
6818 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6819 * tree-complex.c (expand_complex_div_wide): Likewise.
6820 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6821 * tree-tailcall.c (eliminate_tailcall): Likewise.
6822 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6823 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6824 * tree-nrv.c (tree_nrv): Likewise.
6825 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6826 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6827 (combine_blocks): Likewise.
6828 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6829 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6830 (cleanup_control_flow): Likewise.
6831 (remove_forwarder_block): Likewise.
6832 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6833 * tree-sra.c (sra_replace): Likewise.
6834 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6835 (forward_propagate_single_use_vars): Likewise.
6836 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6837 * tree-inline.c (expand_call_inline): Likewise.
6838 * tree-vect-transform.c (vect_transform_loop): Likewise.
6839 * tree-outof-ssa.c (rewrite_trees): Likewise.
6840 * tree-cfg.c (make_goto_expr_edges): Likewise.
6841 (cleanup_dead_labels): Likewise.
6842 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6843 (bsi_move_before, bsi_move_after): Likewise.
6844 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6845 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6847 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6849 PR tree-opt/25528
6850 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6851 and IMAGPART_EXPR.
6852 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6853 on non gimple variables. Also add checks at the top for decls and
6854 mtags.
6855 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6856 complex types.
6857 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6858 and IMAGPART_EXPR for creating MUST_DEFs.
6859 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6860 and NAME_MEMORY_TAG separately from the DECLs.
6862 2006-01-06 Richard Guenther <rguenther@suse.de>
6864 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6865 annotation, if necessary.
6866 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6867 redundant calls to update_stmt.
6868 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6869 Likewise.
6871 2006-01-05 Richard Henderson <rth@redhat.com>
6873 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6875 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6877 * c-typeck.c: Update copyright date.
6879 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6881 * c-typeck.c (build_c_cast): Always warn when casting
6882 from a pointer to an integer of different size, even if
6883 the node was constant.
6885 2006-01-05 Richard Guenther <rguenther@suse.de>
6887 PR tree-optimization/22555
6888 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6889 if one structure field is an array.
6890 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6891 operands even if we found a subvar, but ignore VOPs in this
6892 case.
6893 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6894 for renaming.
6895 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6897 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6899 PR middle-end/24998
6900 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6902 2006-01-05 Richard Guenther <rguenther@suse.de>
6903 Diego Novillo <dnovillo@redhat.com>
6905 * tree-pass.h (TODO_remove_unused_locals): Define.
6906 * gimple-low.c (expand_var_p, remove_useless_vars,
6907 pass_remove_useless_vars): Remove. Update all users.
6908 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6909 (remove_unused_locals): New function.
6910 * tree-flow.h (remove_unused_locals): Declare.
6911 * passes.c (execute_todo): Call remove_unused_locals if
6912 TODO_remove_unused_locals is set.
6913 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6914 * tree-ssa-dce.c (pass_dce): Likewise.
6915 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6917 2006-01-05 Richard Guenther <rguenther@suse.de>
6919 * tree-flow.h (struct fieldoff): Decompose field to
6920 type, size and decl.
6921 * tree-ssa-alias.c (create_sft): Take type as parameter.
6922 (create_overlap_variables_for): Store type, size and decl
6923 in the fieldoff structure.
6924 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6925 of struct fieldoff.
6926 (push_fields_onto_fieldstack): Likewise.
6927 (create_variable_info_for): Likewise. Use offset for the
6928 SFT name if the decl is not available.
6930 2006-01-04 Paul Brook <paul@codesourcery.com>
6932 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6934 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6936 * lambda-code.c (can_put_in_inner_loop): Relax
6937 restrictions.
6938 (can_put_after_inner_loop): New function.
6939 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6940 (perfect_nestify): Change to make copies and modify uses.
6942 2006-01-04 Richard Henderson <rth@redhat.com>
6944 Merge from gomp branch:
6945 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6946 via integer constant.
6947 (pragma_lex): Remove.
6948 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6949 rather than parsing it.
6950 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6951 handle_pragma_extern_prefix): Add %< %> quotes.
6952 (registered_pragmas): New.
6953 (c_register_pragma_1): New.
6954 (c_register_pragma): Use it.
6955 (c_register_pragma_with_expansion): Likewise.
6956 (c_invoke_pragma_handler): New.
6957 (init_pragma): Use cpp_register_deferred_pragma directly for
6958 pch_preprocess.
6959 * c-pragma.h (enum pragma_kind): New.
6960 (pragma_handler): New.
6961 (c_invoke_pragma_handler): Declare.
6962 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6963 CPP_PRAGMA_EOL.
6964 * c-common.h (c_common_pch_pragma): Update decl.
6965 * Makefile.in (c-parser.o): Update dependencies.
6966 (GTFILES): Add c-pragma.h.
6967 * c-parser.c (struct c_token): Add pragma_kind.
6968 (struct c_parser): Add in_pragma.
6969 (c_lex_one_token): Always initialize keyword and pragma_kind.
6970 Extract data for CPP_PRAGMA.
6971 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6972 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6973 Don't allow CPP_PRAGMA_EOL if in_pragma.
6974 (c_parser_consume_pragma): New.
6975 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6976 (c_parser_skip_to_end_of_parameter): Likewise.
6977 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6978 (c_parser_skip_to_pragma_eol): New.
6979 (c_parser_external_declaration): Handle CPP_PRAGMA.
6980 (c_parser_compound_statement_nostart): Likewise.
6981 (c_parser_statement_after_labels): Likewise.
6982 (c_parser_pragma): New.
6983 (pragma_lex): Likewise.
6984 (c_parser_pragma_pch_preprocess): New.
6985 (c_parser_new): Merge into ...
6986 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6988 2006-01-04 Jeff Law <law@redhat.com>
6990 PR ada/24994
6991 * tree-cfg.c (bsi_replace): Remove the original statement
6992 from the EH throw statement table.
6994 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6996 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6997 make the prototype extern "C" and add throw ().
6999 PR target/25554
7000 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7001 and pos non-negative and pos + len <= 32.
7002 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7003 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7004 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7006 PR c/25559
7007 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7008 as well as sizes not multiple of component size.
7010 PR debug/25562
7011 * function.c (instantiate_expr): New function.
7012 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7013 walk its DECL_VALUE_EXPR with instantiate_expr.
7015 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7016 DW_OP_deref{,_size} if address isn't going to be added.
7018 2006-01-04 Ben Elliston <bje@au.ibm.com>
7020 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7021 * config/fp-bit.c: Likewise.
7023 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7025 * dominance.c: Add comment about why we use DFS numbering
7026 of dominance tree.
7028 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7029 Richard Henderson <rth@redhat.com>
7031 Merge from gomp-branch:
7032 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7033 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7035 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7037 PR rtl-optimization/25578
7038 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7039 pass a parameter to simplify_shift_const if changing ASHIFTRT
7040 to LSHIFTRT.
7042 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7044 * builtins.c (get_builtin_sync_mem): New function.
7045 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7046 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7047 Call get_builtin_sync_mem to generate mem rtx.
7049 2006-01-03 Richard Guenther <rguenther@suse.de>
7051 PR c/25183
7052 * stmt.c (add_case_node): Make sure to clear overflow flags
7053 from ranges.
7055 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7057 Merge from gomp-branch.
7058 * config/sparc/sync.md: New file.
7059 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7060 UNSPECV_LDSTUB): New constants.
7061 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7062 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7063 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7064 prototype.
7066 2006-01-03 Roger Sayle <roger@eyesopen.com>
7068 * combine.c (reg_subword_p): New predicate to test whether the
7069 destination of a set refers to a subword/piece of a register.
7070 (try_combine): Generalize the code to merge the setting of a
7071 pseudo to a constant followed by a set of a subword of that
7072 register to a constant.
7074 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7076 * basic-block.h (control_flow_graph): Change the type of
7077 x_label_to_block_map to VEC(basic_block,gc) *.
7078 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7079 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7081 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7082 VEC(basic_block,heap) *.
7083 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7084 ssa_prop_fini): Adjust the uses of cfg_blocks.
7086 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7088 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7089 COMPONENT_REFs.
7090 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7091 hashing trees instead of a pointer hash.
7092 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7093 compare for MEM_EXPR.
7095 PR rtl-optimization/25130
7096 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7097 when comparing MEMs for GCSE
7099 2006-01-03 Ben Elliston <bje@au.ibm.com>
7101 * targhooks.h (default_decimal_float_supported_p): Declare.
7102 * targhooks.c (default_decimal_float_supported_p): Define.
7103 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7104 `default_decimal_float_supported_p'.
7105 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7107 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7109 * combine.c (apply_distributive_law <SUBREG>): Check
7110 TRULY_NOOP_TRUNCATION.
7112 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7114 * dwarf2out.c (have_switched_text_section): Delete.
7115 (have_multiple_function_sections): New.
7116 (have_location_lists): Make 'bool'.
7117 (add_AT_loc_list): Use 'true' not '1'.
7118 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7119 (output_loc_list): Use have_multiple_function_sections.
7120 (output_ranges): Likewise.
7121 (dwarf2out_begin_function): Set have_multiple_function_sections if
7122 necessary.
7123 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7124 Check function_section rather than DECL_SECTION_NAME.
7125 (dwarf2out_finish): Use have_multiple_function_sections.
7126 Don't clear have_location_lists.
7128 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7129 Jan Hubicka <jh@suse.cz>
7131 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7132 case of conditional jump jumping to the next instruction.
7133 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7134 cases of conditional jump jumping to the next instruction.
7136 2006-01-02 Jan Hubicka <jh@suse.cz>
7138 * i386.c (*_cost): Add COSTS_N_INSNS.
7139 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7141 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7143 PR target/25259
7144 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7146 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7148 * config/arm/arm.c (all_fpus): Fix comment typo.
7149 * config/darwin.c: Likewise.
7150 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7151 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7152 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7154 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7156 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7157 (rs6000_split_compare_and_swapqhi): New.
7158 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7159 (sync_compare_and_swapqhi_internal): New.
7160 * config/rs6000/rs6000-protos.h: Declare.