1 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3 * final.c (shorten_branches): Remove outdated comment, and turn
4 the if branch that guards it to continue.
6 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9 * cfgloop.h (struct loop): Remove unused fields.
11 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14 (-dL, -fdump-rtl-loop2): Update the dump file names
16 * doc/invoke.texi: Update dump file names.
18 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
20 * predict.c (estimate_probability): Remove.
21 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
22 * basic-block.h (estimate_probability): Remove prototype.
23 * passes.c (finish_optimization_passes): Dump branch prediction or
24 profiling heuristics to the .profile tree dump.
25 (init_optimization_passes): Unqueue pass_branch_prob.
27 * doc/invoke.texi (-fdump-rtl-bp): Remove.
29 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
31 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
32 * rtl.h (LABEL_NEXTREF): Remove field accessor.
34 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
36 * function.h (frame_offset_overflow): Declare.
37 * function.c (frame_offset_overflow): New function.
38 (assign_stack_local_1): Call it to detect that the offset overflows.
39 * cfgexpand.c (alloc_stack_frame_space): Likewise.
41 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
43 * config/sh/sh.c: Include alloc-pool.h.
44 (label_ref_list_pool): New alloc pool.
45 (label_ref_list_t): New type for lists of labels.
46 (struct pool_node): Make wend a label_ref_list_t.
47 (add_constant): Use the new type, eradicate LABEL_NEXTREF
49 (dump_table): Likewise.
50 (sh_reorg): Set up the alloc pool before using add_constant and
51 dump_table, and destroy it when finishing.
53 2006-03-11 Richard Sandiford <richard@codesourcery.com>
55 * config/mips/mips.c: Remove redundant comment.
57 2006-03-10 Jason Merrill <jason@redhat.com>
60 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
61 the target was declared 'register'.
63 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
65 * genpreds.c (write_insn_constraint_len): Change definition of
66 insn_constraint_len to return size_t to match the declaration.
68 2006-03-10 DJ Delorie <dj@redhat.com>
70 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
72 (m32c_expand_insv): Fix test for an AND mask.
74 2006-03-10 Richard Guenther <rguenther@suse.de>
77 * builtins.c (get_pointer_alignment): Handle component
78 references for field alignment.
80 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
82 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
83 when building with libgloss.
84 (sh*elf): Implement --without-fp option.
85 (sh64-superh-linux*): Don't multilib.
87 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
89 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
91 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
93 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
94 Set it when one of the replacement functions returned true.
95 Return TODO_cleanup_cfg if cfgchanged is true.
96 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
98 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
100 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
101 instead of gen_lowpart.
103 2006-03-09 Richard Sandiford <richard@codesourcery.com>
105 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
107 (mips_output_order_conditional_branch): Declare.
108 * config/mips/mips.h (MIPS_BRANCH): New macro.
109 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
110 for the comparison. Use gen_condjump.
111 (mips_output_conditional_branch): Rework interface to take the
112 asm templates for a direct branch and the inverse of a direct branch.
113 (mips_output_order_conditional_branch): New function.
114 (mips_builtin_branch_and_move): New function.
115 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
116 branch condition. Use gen_single_cc as the condition for
117 __builtin_mips_upper_* or __builtin_mips_lower_*.
118 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
119 Use VOIDmode for the branch condition.
120 * config/mips/predicates.md (order_operator): New predicate.
121 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
122 (branch_fp): Rename to...
123 (*branch_fp): ...this. Remove mode from comparison operator.
124 Use new mips_output_conditional_branch interface.
125 (branch_fp_inverted): Rename to...
126 (*branch_fp_inverted): ...this and update as for *branch_fp.
127 (*branch_zero<mode>): Rename to...
128 (*branch_order<mode>): ...this. Remove mode from comparison operator.
129 Use mips_output_order_conditional_branch. Only accept ordered
131 (*branch_zero<mode>_inverted): Rename to...
132 (*branch_order<mode>_inverted): ...this and update as for
134 (*branch_equality<mode>): Accept zero as the second operand to
135 the equality operator. Use the new mips_output_conditional_branch
137 (*branch_equality<mode>_inverted): Likewise.
138 (condjump): New expander.
139 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
141 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
142 (bc1any2t, bc1any2f): Likewise.
143 (single_cc): New expander.
144 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
146 2006-03-09 Richard Sandiford <richard@codesourcery.com>
148 * doc/md.texi: Update documentation of MIPS constraints.
149 * config/mips/constraints.md: New file.
150 * config/mips/mips.md: Include it.
151 * config/mips/mips.c (mips_char_to_class): Delete.
152 (override_options): Don't initialize mips_char_to_class.
153 * config/mips/mips.h (mips_char_to_class): Delete.
154 (REG_CLASS_FROM_LETTER): Delete.
155 (CONST_OK_FOR_LETTER_P): Delete.
156 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
157 (EXTRA_CONSTRAINT_Y): Delete.
158 (EXTRA_CONSTRAINT_STR): Delete.
159 (CONSTRAINT_LEN): Delete.
160 (EXTRA_MEMORY_CONSTRAINT): Delete.
162 2006-03-09 Diego Novillo <dnovillo@redhat.com>
164 * tree-cfg.c (move_block_to_fn): Remove the statements from the
165 original fn's eh regions.
167 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
169 * fold-const.c (build_range_check): Make sure to use a valid type to
170 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
173 (range_predecessor): New static function.
174 (range_successor): Likewise.
175 (merge_ranges): Use them to compute predecessors and successors of
178 2006-03-09 Roger Sayle <roger@eyesopen.com>
181 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
182 X op C3, consider whether C3 overflows towards +Inf or -Inf.
184 2006-03-08 DJ Delorie <dj@redhat.com>
186 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
187 (addpsi3): Expand to include memory operands. Remove
188 reload-specific splits.
189 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
190 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
191 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
192 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
193 (shift1_qi, shift1_hi, insv): New.
194 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
195 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
196 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
198 * config/m32c/m32c-protos.h: Update as needed.
199 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
200 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
201 Fail for unrecognized R* constraints.
202 (m32c_cannot_change_mode_class): Be more picky about pseudos.
203 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
204 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
206 (m32c_init_libfuncs): New.
207 (m32c_legitimate_address_p): Add debug wrapper.
208 (m32c_rtx_costs): New.
209 (m32c_address_cost): New.
210 (conversions): Add 'B' prefix.
211 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
212 operands, or word regnames for QI operands. 'B' prints bit
214 (m32c_expand_setmemhi): New.
215 (m32c_expand_movmemhi): New.
216 (m32c_expand_movstr): New.
217 (m32c_expand_cmpstr): New.
218 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
219 (m32c_expand_neg_mulpsi3): Handle non-ints.
220 (m32c_cmp_flg_0): New.
221 (m32c_expand_movcc): New.
222 (m32c_expand_insv): New.
223 (m32c_scc_pattern): New.
224 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
226 (STORE_FLAG_VALUE): New.
227 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
230 * config/m32c/mov.md: Make constraints more liberal.
231 (zero_extendqihi2): Optimize r0/r1 case.
232 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
233 * config/m32c/predicates.md (m32c_any_operand): New.
234 (m32c_nonimmediate_operand): New.
235 (m32c_hl_operand): New.
236 (m32c_r3_operand): New.
239 (memsym_operand): New.
240 (memimmed_operand): New.
242 (m32c_eqne_operator): New.
243 (m32c_1bit8_operand): New.
244 (m32c_1bit16_operand): New.
245 (m32c_1mask8_operand): New.
246 (m32c_1mask16_operand): New.
247 * config/m32c/blkmov.md: New file.
248 * config/m32c/t-m32c (MD_FILES): Add blkmov.
250 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
252 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
253 unsigned to fix signed/unsigned comparison issue in
254 DWARF2_FRAME_REG_OUT.
255 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
256 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
258 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
259 of ptr into the ENABLE_CHECKING section.
261 2006-03-08 Jeff Law <law@redhat.com>
263 * tree-vrp.c (infer_value_range): Only count pointer uses
264 and dereferences if -fdelete-null-pointer-checks is enabled.
266 * tree-vrp.c (find_assert_locations): Infer value ranges for
267 single use pointers, but do not create ASSERT_EXPRs for them.
268 When a non-null range is inferred for a pointer, backwards
269 propagate that range to other equivalent pointers through the
272 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
275 * Makefile.in (dvi, html, install-info): Invoke the corresponding
276 language hook targets.
277 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
278 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
279 if language hook targets were missing.
281 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
283 * tree-ssa-opfinalize.h: Removed.
284 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
286 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
287 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
288 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
289 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
290 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
291 finalize_ssa_v_must_def_ops): New.
293 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
295 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
298 2006-03-07 Geoffrey Keating <geoffk@apple.com>
300 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
302 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
303 addresses with offsets; reorganize.
305 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
306 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
307 (expand_builtin_init_dwarf_reg_sizes): Likewise.
309 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
312 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
314 2006-03-08 Ben Elliston <bje@au.ibm.com>
316 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
318 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
321 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
324 2006-03-07 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/26587
327 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
329 2006-03-07 Richard Sandiford <richard@codesourcery.com>
331 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
333 2006-03-07 Richard Sandiford <richard@codesourcery.com>
335 * hooks.c (hook_bool_mode_rtx_true): New function.
336 * hooks.h (hook_bool_mode_rtx_true): Declare.
337 * toplev.c (compile_file): Call output_shared_constant_pool.
338 * varasm.c (shared_constant_pool): New variable.
339 (assemble_start_function, assemble_end_function): Remove arguments
340 from call to output_constant_pool.
341 (create_constant_pool): New function, split out from...
342 (init_varasm_status): ...here.
343 (force_const_mem): Choose between the shared and per-function constant
344 pools. Set current_function_uses_const_pool when reusing old entries
345 as well as when creating new ones.
346 (mark_constant): Ignore data argument.
347 (mark_constants): Remove pool argument.
348 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
349 to decide whether the function uses a constant pool.
350 (output_constant_pool_contents): New function, split out from...
351 (output_constant_pool): ...here.
352 (output_shared_constant_pool): New function.
353 (init_varasm_once): Initialize shared_constant_pool.
354 * output.h (output_constant_pool): Delete.
355 (output_shared_constant_pool): Declare.
356 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
357 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
359 2006-03-06 Nick Clifton <nickc@redhat.com>
361 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
362 flag_strength_reduce.
364 2006-03-06 Ben Elliston <bje@au.ibm.com>
366 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
367 x86_64-*-linux* configurations.
369 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
370 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
372 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
374 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
376 * basic-block.h: Remove the extern for
377 rediscover_loops_after_threading.
379 * cfgloop.c (cancel_loop): Make it static.
380 * cfgloop.h: Remove the prototype for cancel_loop.
382 * flow.c (recompute_reg_usage): Make it static.
383 * rtl.h: Remove the prototype for recompute_reg_usage.
385 * function.c (use_return_register): Make it static.
386 * function.h: Remove the prototype.
388 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
390 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
392 * recog.h: Remove the prototype for
393 validate_change_maybe_volatile.
395 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
397 * rtlanal.c (replace_reg): Remove.
398 * rtl.h: Remove the prototype for replace_reg.
400 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
402 * regclass.c (reg_scan_update): Remove.
403 (reg_scan_mark_refs): Remove the last argument.
404 * rtl.h: Remove the prototype for reg_scan_update.
406 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
408 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
409 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
410 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
411 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
412 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
413 loop-invariant.c, omp-low.c, opts.c, passes.c,
414 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
415 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
416 tree-ssa-structalias.c, tree-ssa-threadedge.c,
417 tree-ssa-threadupdate.c, tree-vect-patterns.c,
418 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
419 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
421 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
423 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
424 * dwarf2out.h: Remove the prototype for
425 dwarf2out_add_library_unit_info.
427 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
429 * tree.c (add_var_to_bind_expr): Remove.
430 * tree.h: Remove the prototype for add_var_to_bind_expr.
432 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
434 * regclass.c (n_non_fixed_regs): Remove.
435 (init_reg_sets_1, globalize_reg): Remove all uses of
437 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
439 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
441 * rtlanal.c (insns_safe_to_move_p): Remove.
442 * rtl.h: Remove the prototype for insns_safe_to_move_p.
444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
446 * expmed.c (expand_mult_add): Remove.
447 * expr.h: Remove the prototype for expand_mult_add.
449 2006-03-04 Jakub Jelinek <jakub@redhat.com>
451 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
452 and REG_SAVED_VAL_EXP constants.
453 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
454 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
455 Handle regs stored by value.
456 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
457 (execute_cfa_program): Handle DW_CFA_val_offset,
458 DW_CFA_val_offset_sf and DW_CFA_val_expression.
459 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
460 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
461 (uw_install_context_1): Handle target regs stored by value.
463 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
465 * tree-sra.c (tree_sra): Return todoflags;
466 (generate_one_element): Set TODO_update_smt_usage if needed.
467 (pass_sra): Remove TODO_update_smt_usage.
468 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
470 (tree_ssa_forward_propagate_single_use_vars): Return
471 TODO_update_smt_usage if we need to update SMT usage.
472 (pass_forwprop): Remove TODO_update_smt_usage.
474 2006-03-03 Diego Novillo <dnovillo@redhat.com>
476 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
477 (correct_use_link): Remove reference to get_stmt_operands.
478 (update_stmt_operands): Likewise.
479 (get_modify_expr_operands): New function factored out of
480 parse_ssa_operands and get_expr_operands.
481 Try to create V_MUST_DEFs for LHS by default.
482 (get_expr_operands) <case MODIFY_EXPR>: Call
483 get_modify_expr_operands.
484 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
485 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
486 (parse_ssa_operands) <case MODIFY_EXPR>: Call
487 get_modify_expr_operands.
489 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
491 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
492 * tree-flow.h: Remove the prototype for
493 referenced_var_lookup_if_exists.
495 2006-03-03 Steve Ellcey <sje@cup.hp.com>
497 PR rtl-optimization/26345
499 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
501 2006-03-03 Roger Sayle <roger@eyesopen.com>
503 PR tree-optimization/26524
504 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
505 fold_convert to create a constant of the appropriate type.
507 2006-03-03 Richard Sandiford <richard@codesourcery.com>
509 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
510 SYMBOL_REF_IN_BLOCK_P.
511 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
512 of SYMBOL_FLAG_IN_BLOCK.
513 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
514 instead of SYMBOL_REF_IN_BLOCK_P.
515 * explow.c (use_anchored_address): Likewise.
516 * rtl.c (rtx_size): Likewise.
517 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
518 instead of SYMBOL_FLAG_IN_BLOCK.
519 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
520 SYMBOL_REF_IN_BLOCK_P.
521 (assemble_variable): Likewise.
522 (output_constant_def_contents): Likewise.
523 (output_constant_pool): Likewise.
524 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
525 instead of SYMBOL_FLAG_IN_BLOCK.
526 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
527 SYMBOL_REF_IN_BLOCK_P.
528 (SYMBOL_REF_BLOCK): Likewise.
529 (SYMBOL_REF_OFFSET): Likewise.
530 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
531 SYMBOL_REF_IN_BLOCK_P.
532 (SYMBOL_FLAG_IN_BLOCK): Replace with...
533 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
534 (SYMBOL_REF_IN_BLOCK_P): Replace with...
535 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
537 2006-03-03 Jakub Jelinek <jakub@redhat.com>
539 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
541 2006-03-02 Roger Sayle <roger@eyesopen.com>
543 * simplify-rtx.c (simplify_unary_operation): When simplifying
544 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
545 that we perform the right shift in the appropriate mode, and
546 then extend or truncate the result to requested mode.
548 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
550 * gengtype.c (main): Handle double_int type.
551 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
552 * double-int.c: New file.
553 * double-int.h: New file.
554 * system.h: Include doubleint.h.
555 * Makefile.in (SYSTEM_H): Include double-int.h.
558 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
561 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
564 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
566 * tree-vrp.c (remove_range_assertions): Do not update statements
569 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
571 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
573 * gcse.c (rest_of_handle_gcse): Ditto.
574 * except.c (gate_handle_eh): Ditto.
575 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
576 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
578 2006-03-02 Eric Christopher <echristo@apple.com>
580 * config/i386/i386.c (machopic_output_stub): Add indirection to
583 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
587 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
589 Sun Niagara specific optimizations.
590 * config.gcc: Recognize niagara as target.
591 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
592 (TARGET_CPU_niagara): Define.
593 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
594 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
595 (CPP_CPU_SPEC): Handle -mcpu=niagara.
596 (ASM_CPU_SPEC): Likewise.
597 (PROCESSOR_NIAGARA): New enum entry.
598 (REGISTER_MOVE_COST): Handle Niagara.
599 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
600 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
601 (sparc_override_options): Recognize "niagara", set appropriate
602 default MASK_* values for it, and align functions to 32-bytes
603 by default just like ULTRASPARC/ULTRASPARC3.
604 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
605 (sparc64_initialize_trampoline): Likewise.
606 (sparc_use_sched_lookahead): Use zero for niagara.
607 (sparc_issue_rate): Use one for niagara.
608 * config/sparc/niagara.md: New file.
609 * config/sparc/sparc.md: Include it.
610 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
611 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
612 when default cpu is niagara.
613 (CPP_CPU_SPEC): Handle -mcpu=niagara.
614 (ASM_CPU_SPEC): Likewise.
615 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
616 when default cpu is niagara.
617 (ASM_CPU_SPEC): Handle -mcpu=niagara.
618 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
619 just like v9/ultrasparc/ultrasparc3.
620 * doc/invoke.texi: Add documentation for "niagara" and improve
621 existing documentation for ultrasparc variants.
623 2006-03-02 Diego Novillo <dnovillo@redhat.com>
625 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
627 2006-03-02 Richard Sandiford <richard@codesourcery.com>
629 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
630 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
631 and say that only one is needed.
632 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
633 * target.h (have_switchable_bss_sections): New hook.
634 * explow.c (use_anchored_address): Check that the symbol is in a block.
635 * varasm.c (tls_comm_section, comm_section, lcomm_section)
636 (bss_noswitch_section): New variables.
637 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
638 (get_noswitch_section): New function.
639 (get_block_for_section): Allow SECT to be null.
640 (unlikely_text_section_p): Use SECTION_STYLE.
641 (bss_initializer_p): New function.
642 (get_variable_section): Move earlier in file. Take a new argument,
643 prefer_noswitch_p. Move bss checks from assemble_variable to here.
644 Return one of the new *_sections in such cases.
645 (get_block_for_decl): New function, extracting some logic from
646 use_blocks_for_decl_p.
647 (change_symbol_section): Remove in favor of...
648 (change_symbol_block): ...this new function.
649 (use_blocks_for_decl_p): Remove checks now performed by
651 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
652 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
653 (emit_local, emit_bss, emit_common): ...these new functions.
654 Return true if the alignment was honored.
655 (emit_tls_common): New function.
656 (asm_emit_uninitialised): Delete.
657 (assemble_variable_noswitch): New function, split out from...
658 (assemble_variable): ...here. Don't make decisions about common
659 variables here. Globalize all public decls that go into non-common
660 sections. Check whether SYMBOL_REF_BLOCK is null.
661 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
662 (output_constant_pool): Likewise.
663 (init_varasm_once): Initialize the new section variables.
664 (have_global_bss_p): New function.
665 (categorize_decl_for_section): Use bss_initializer_p.
666 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
667 (place_block_symbol): Assert that the symbol must be in a block.
668 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
669 (TARGET_INITIALIZER): Include it.
670 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
671 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
672 (SECTION_MACH_DEP): Bump by two.
673 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
674 (unnamed_section): Mention SECTION_UNNAMED in comment.
675 (named_section): Likewise SECTION_NAMED.
676 (noswitch_section_callback): New type.
677 (noswitch_section): New structure.
678 (section): Add a noswitch_section alternative.
679 (SECTION_STYLE): New macro.
680 (tls_comm_section, comm_section, lcomm_section): Declare.
681 (bss_noswitch_section, have_global_bss_p): Declare.
682 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
683 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
685 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
686 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
689 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
691 * gcc/tree-vrp.c (execute_vrp): Return value.
692 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
693 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
694 * gcc/tree-complex.c (tree_lower_complex): Ditto.
695 (tree_lower_complex_O0): Ditto.
696 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
697 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
698 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
699 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
700 (execute_tail_calls): Ditto.
701 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
702 * gcc/tree.h (init_function_for_compilation): Ditto.
703 * gcc/ipa-cp.c (ipcp_driver): Ditto.
704 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
705 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
706 * gcc/final.c (compute_alignments): Ditto.
707 (rest_of_handle_final): Ditto.
708 (rest_of_handle_shorten_branches): Ditto.
709 (rest_of_clean_state): Ditto.
710 * gcc/omp-low.c (execute_expand_omp): Ditto.
711 (execute_lower_omp): Ditto.
712 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
713 * gcc/ipa-reference.c (static_execute): Ditto.
714 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
715 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
716 (rest_of_handle_machine_reorg): Ditto.
717 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
718 * gcc/flow.c (recompute_reg_usage): Ditto.
719 (rest_of_handle_remove_death_notes): Ditto.
720 (rest_of_handle_life): Ditto.
721 (rest_of_handle_flow2): Ditto.
722 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
723 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
724 (do_ssa_store_ccp): Ditto.
725 (execute_fold_all_builtins): Ditto.
726 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
727 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
728 * gcc/ipa-pure-const.c (static_execute): Ditto.
729 * gcc/cse.c (rest_of_handle_cse): Ditto.
730 (rest_of_handle_cse2): Ditto.
731 * gcc/web.c (rest_of_handle_web): Ditto.
732 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
733 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
734 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
735 * gcc/tree-nrv.c (tree_nrv): Ditto.
736 (execute_return_slot_opt): Ditto.
737 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
738 (create_structure_vars): Ditto.
739 * gcc/loop-init.c (rtl_loop_init): Ditto.
740 (rtl_loop_done): Ditto.
741 (rtl_move_loop_invariants): Ditto.
742 (rtl_unswitch): Ditto.
743 (rtl_unroll_and_peel_loops): Ditto.
745 * gcc/gimple-low.c (lower_function_body): Ditto.
746 (mark_used_blocks): Ditto.
747 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
748 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
749 (cgraph_early_inlining): Ditto.
750 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
751 * gcc/jump.c (cleanup_barriers): Ditto.
752 (purge_line_number_notes): Ditto.
753 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
754 (rest_of_handle_if_after_reload): Ditto.
755 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
756 (tree_ssa_loop_im): Ditto.
757 (tree_ssa_loop_unswitch): Ditto.
758 (tree_vectorize): Ditto.
759 (tree_linear_transform): Ditto.
760 (tree_ssa_loop_ivcanon): Ditto.
761 (tree_ssa_empty_loop): Ditto.
762 (tree_ssa_loop_bounds): Ditto.
763 (tree_complete_unroll): Ditto.
764 (tree_ssa_loop_prefetch): Ditto.
765 (tree_ssa_loop_ivopts): Ditto.
766 (tree_ssa_loop_done): Ditto.
767 * gcc/predict.c (tree_estimate_probability): Ditto.
768 * gcc/recog.c (split_all_insns_noflow): Ditto.
769 (rest_of_handle_peephole2): Ditto.
770 (rest_of_handle_split_all_insns): Ditto.
771 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
772 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
773 (rest_of_handle_stack_adjustments): Ditto.
774 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
775 * gcc/function.c (instantiate_virtual_regs): Ditto.
776 (init_function_for_compilation): Ditto.
777 (rest_of_handle_check_leaf_regs): Ditto.
778 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
779 (rest_of_handle_gcse): Ditto.
780 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
781 * gcc/alias.c (rest_of_handle_cfg): Ditto.
782 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
783 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
784 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
785 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
786 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
787 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
788 * gcc/except.c (set_nothrow_function_flags): Ditto.
789 (convert_to_eh_region_ranges): Ditto.
790 (rest_of_handle_eh): Ditto.
791 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
792 (remove_unnecessary_notes): Ditto.
793 * gcc/except.h (set_nothrow_function_flags): Ditto.
794 (convert_to_eh_region_ranges): Ditto.
795 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
796 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
797 * gcc/tree-ssa-pre.c (do_pre): Ditto.
798 (execute_fre): Ditto.
799 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
800 (rest_of_handle_jump2): Ditto.
801 * gcc/tree-sra.c (tree_sra): Ditto.
802 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
803 (execute_mudflap_function_decls): Ditto.
804 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
805 (do_store_copy_prop): Ditto.
806 * gcc/ipa-prop.h (ipcp_driver): Ditto.
807 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
808 * gcc/tree-ssa-forwprop.c
809 (tree_ssa_forward_propagate_single_use_vars): Ditto.
810 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
811 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
812 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
813 (execute_late_warn_uninitialized): Ditto.
814 * gcc/rtl.h (cleanup_barriers): Ditto.
815 (split_all_insns_noflow): Ditto.
816 (purge_line_number_notes): Ditto.
817 (unshare_all_rtl): Ditto.
818 (remove_unnecessary_notes): Ditto.
819 (recompute_reg_usage): Ditto.
820 (variable_tracking_main): Ditto.
821 * gcc/integrate.c (emit_initial_value_sets): Ditto.
822 * gcc/integrate.h (emit_initial_value_sets): Ditto.
823 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
824 (execute_free_cfg_annotations): Ditto.
825 (execute_fixup_cfg): Ditto.
826 (execute_cleanup_cfg_pre_ipa): Ditto.
827 (execute_cleanup_cfg_post_optimizing): Ditto.
828 (execute_init_datastructures): Ditto.
829 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
830 * gcc/combine.c (rest_of_handle_combine): Ditto.
831 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
832 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
833 (rest_of_handle_reorder_blocks): Ditto.
834 (rest_of_handle_partition_blocks): Ditto.
835 * gcc/var-tracking.c (variable_tracking_main): Ditto.
836 * gcc/tree-profile.c (tree_profiling): Ditto.
837 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
838 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
839 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
840 (rest_of_handle_sched2): Ditto.
841 * gcc/basic-block.h (free_bb_insn): Ditto.
842 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
843 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
844 (remove_useless_stmts): Ditto.
845 (split_critical_edges): Ditto.
846 (execute_warn_function_return): Ditto.
847 (execute_warn_function_noreturn): Ditto.
848 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
849 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
850 * gcc/passes.c (execute_one_pass): Run additional
851 todos returned by execute function.
852 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
855 2006-03-02 Richard Guenther <rguenther@suse.de>
857 * tree-ssa-alias.c (find_used_portions): Consider taking
858 the address as making the variable not write-only.
860 2006-03-02 Nick Clifton <nickc@redhat.com>
862 * config.gcc (default_use_cxa_atexit): Extend the description of
863 this configure variable. Set its default value to "yes" for
864 Linux, NetBSD and ELF targets on the assumption that they will
865 use C libraries with the __cxa_atexit function.
867 2006-03-02 Ben Elliston <bje@au.ibm.com>
869 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
870 parameter as unused to suppress a build warning.
872 2006-03-02 Ben Elliston <bje@au.ibm.com>
874 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
877 2006-03-01 Roger Sayle <roger@eyesopen.com>
880 * gthr-posix.h (__gthrw2): Define to take three parameters, the
881 declared name, the weak reference name, and the typeof name.
882 (__gthrw): Avoid expanding the declared name suffix.
883 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
885 2006-03-01 Jakub Jelinek <jakub@redhat.com>
887 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
889 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
890 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
891 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
892 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
893 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
894 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
895 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
896 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
897 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
898 DW_DS_leading_separate, DW_DS_trailing_separate): New.
899 (DW_END_default, DW_END_big, DW_END_little): New.
900 (DW_END_lo_user, DW_END_hi_user): Define.
901 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
902 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
903 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
906 2006-03-01 Diego Novillo <dnovillo@redhat.com>
908 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
910 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
912 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
914 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
916 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
919 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
922 2006-03-01 Roger Sayle <roger@eyesopen.com>
924 * builtins.c (fold_builtin_copysign): Delete unreachable code.
926 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
929 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
930 MACHO_DYNAMIC_NO_PIC_P.
931 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
933 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
936 * config/darwin-protos.h (darwin_asm_output_anchor):
938 * config/darwin-sections.def (cstring_section):
939 Add SECTION_MERGE to the flags.
940 (literal4_section): Likewise.
941 (literal8_section): Likewise.
942 (objc_selector_refs_section): Likewise.
943 (objc_cls_refs_section): Likewise.
944 * config/darwin.c (darwin_asm_output_anchor): New
946 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
948 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
950 Fix PR tree-optimization/26443
951 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
952 to todo and PROP_tmt_usage to properties_destroyed.
953 * tree-ssa-ccp.c (pass_ccp): Ditto.
954 (pass_store_ccp): Ditto.
955 * tree-ssa-dom.c (pass_dominator): Ditto.
957 2006-03-01 Diego Novillo <dnovillo@redhat.com>
959 * tree-ssa-operands.c: Cleanup whitespace.
960 (get_asm_expr_operands): Move before first invocation.
961 (get_indirect_ref_operands): Likewise.
962 (get_tmr_operands): Likewise.
963 (get_call_expr_operands): Likewise.
964 (append_def): Likewise.
965 (append_use): Likewise.
966 (append_v_may_def): Likewise.
967 (append_v_must_def): Likewise.
968 (add_call_clobber_ops): Likewise.
969 (add_call_read_ops): Likewise.
970 (add_stmt_operand): Likewise.
971 (add_virtual_operand): Likewise.
972 (build_ssa_operands): Likewise.
974 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
979 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
980 with a call expr to ...
981 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
983 2006-03-01 Diego Novillo <dnovillo@redhat.com>
985 * tree-vrp.c (extract_range_from_assert): Remove special
986 handling for types with super-types.
988 2006-03-01 Ben Elliston <bje@au.ibm.com>
990 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
991 and powerpc64-*-linux* configurations.
992 * config/t-dfprules: New file.
994 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
995 Compile dfp-bit.c from the source directory using -DWIDTH and
996 $DFP_CFLAGS to control the compilation of that file, rather than
997 generating width-specific versions in the build directory.
998 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
999 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1001 2006-02-28 Zack Weinberg <zackw@panix.com>
1003 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1006 2006-02-28 Eric Christopher <echristo@apple.com>
1008 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1009 Set up IN_LIBGCC definition of TARGET_64BIT.
1010 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1012 2006-02-28 Roger Sayle <roger@eyesopen.com>
1015 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1016 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1017 cases via the construction of "expr != 0".
1019 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1021 * alias.c (alias_invariant, alias_invariant_size): Remove.
1022 (record_base_value): Remove.
1023 (memrefs_conflict_p): Don't look at alias_invariant.
1024 (end_alias_analysis): Don't free it.
1025 * alias.h (record_base_value): Remove prototype.
1027 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1028 Adam Nemet <anemet@caviumnetworks.com>
1030 * rtl.h (truncated_to_mode): Declare it.
1031 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1032 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1033 (RTL_HOOKS_INITIALIZER): Include it.
1034 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1035 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1036 reg_truncated_to_mode.
1037 * rtlanal.c (truncated_to_mode): Define it.
1038 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1040 2006-02-28 Jeff Law <law@redhat.com>
1042 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1043 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1044 the range allowed by TYPE_PRECISION.
1046 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1048 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1050 PR tree-optimization/26419
1051 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1054 2006-02-27 Zack Weinberg <zackw@panix.com>
1056 * doc/md.texi: Fix typo in previous change.
1058 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1062 2006-02-27 Zack Weinberg <zackw@panix.com>
1064 * rtl.def (define_constraint, define_register_constraint)
1065 (define_memory_constraint, define_address_constraint): New MD forms.
1066 * gensupport.c (process_rtx): Put define_constraint etc on the
1068 * genpreds.c (process_define_predicate): Adjust comment. Validate
1069 the name, and call validate_exp to validate the expression.
1070 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1071 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1072 all callers changed.
1073 (validate_exp, needs_variable, struct constraint_data)
1074 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1075 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1076 (const_dbl_constraints, constraint_max_namelen)
1077 (have_register_constraints, have_memory_constraints)
1078 (have_address_constraints, have_address_constraints)
1079 (have_extra_constraints, have_const_int_constraints)
1080 (have_const_dbl_constraints, mangle, add_constraint)
1081 (process_define_constraint, process_define_register_constraint)
1082 (write_enum_constraint_num, write_lookup_constraint)
1083 (write_insn_constraint_len, write_regclass_for_constraint)
1084 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1085 (write_insn_extra_memory_constraint)
1086 (write_insn_extra_address_constraint)
1087 (write_satisfies_constraint_fns): New.
1088 (write_tm_preds_h): If we have new-style constraint definitions,
1089 prototype the functions generated from them, and define the
1090 old constraint interface (still used by generic code) in terms of
1092 (write_insn_preds_c): If we have new-style constraint definitions,
1093 generate all relevant functions from those definitions.
1094 (main): Handle define_constraint etc.
1095 * genoutput.c (struct constraint_data, indep_constraints)
1096 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1097 (mdep_constraint_len): New data structures and functions, defined
1098 #ifdef USE_MD_CONSTRAINTS.
1099 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1100 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1101 use new logic to validate operand constraints against constraint
1103 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1105 * defaults.h: If none of the old-style constraint macros are
1106 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1107 old-style macros; and poison REG_CLASS_FROM_LETTER,
1108 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1110 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1111 * doc/md.texi: Document new constraint-definition mechanism and the
1112 C interface it provides. Remove references to old mechanism
1113 elsewhere in the document.
1114 (Machine Constraints): Use pathnames relative to gcc directory,
1115 i.e. config/ARCH/FILE. Change i386 section to refer to
1116 config/i386/predicates.md; update that section to match docstrings.
1117 * doc/tm.texi: Move all documentation of the old constraint-
1118 definition macros to their own section, clearly mark as obsolete.
1120 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1121 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1123 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1124 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1125 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1127 (splits and peepholes): Use satisfies_constraint_*.
1128 * config/i386/i386.c (memory_address_length)
1129 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1131 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1133 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1134 scalar operation to be put back into the loop.
1136 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1139 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1140 (extract_cie_info): Handle S flag in augmentation string.
1141 (execute_cfa_program): If context->signal_frame, execute also
1142 fs->pc == context->ra instructions.
1143 (uw_frame_state_for): If context->signal_frame, don't subtract one
1144 from context->ra to find FDE.
1145 (uw_update_context_1): Set context->signal_frame to
1147 (_Unwind_GetIPInfo): New function.
1148 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1149 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1151 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1152 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1153 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1154 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1155 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1156 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1157 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1158 x86_64_fallback_frame_state): Set fs->signal_frame.
1159 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1160 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1161 (frob_update_context): Likewise. Workaround missing S flag in
1162 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1163 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1164 Remove the psw_addr + 1 hack.
1166 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1168 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1169 with aggregates here.
1170 (find_func_aliases): Remove code for &<aggregate> from here.
1172 2006-02-26 Roger Sayle <roger@eyesopen.com>
1174 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1175 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1176 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1179 2006-02-26 Roger Sayle <roger@eyesopen.com>
1182 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1184 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1186 * opts.c (decode_options): Do not handle flag_strength_reduce.
1187 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1188 and OPT_fstrength_reduce.
1189 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1190 flag_prefetch_loop_arrays for being nonzero.
1191 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1193 (fprefetch-loop-arrays-rtl): Removed.
1194 (flag_prefetch_loop_arrays): Do not specify the value.
1196 * doc/passes.texi: Update documentation of loop optimizer
1198 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1199 -frerun-loop-opt): Remove.
1201 2006-02-26 Richard Guenther <rguenther@suse.de>
1203 PR tree-optimization/26421
1204 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1205 in function calls that are ADDR_EXPRs as using the whole structure.
1207 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1209 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1210 * tree-pass.h (pass_loop_optimize): Remove.
1211 * passes.c (pass_loop_optimize): Never run it.
1212 * toplev.c (backend_init): Don't call init_loop.
1213 * opts.c (flag_loop_optimize_set): Remove.
1214 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1215 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1216 the old RTL loop optimizer when profiling enabled.
1217 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1218 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1219 pre-headers for the sake of the old RTL loop optimizer.
1220 * Makefile.in: Remove all references to loop.o.
1222 * doc/invoke.texi: Remove all references to -floop-optimize
1223 and -frerun-loop-opt.
1225 2006-02-26 Zack Weinberg <zackw@panix.com>
1227 * doc/md.texi (Machine Constraints): Refer to all files with paths
1228 relative to gcc directory (i.e. config/CPU/file). Add missing
1229 @table @code ... @end table to M32C subsection.
1231 2006-02-26 Roger Sayle <roger@eyesopen.com>
1233 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1235 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1237 2006-02-26 Roger Sayle <roger@eyesopen.com>
1238 James A. Morrison <phython@gcc.gnu.org>
1241 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1242 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1243 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1244 signedness of the shift operation.
1246 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1248 PR tree-optimization/26359
1249 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1251 2006-02-25 Roger Sayle <roger@eyesopen.com>
1253 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1254 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1255 as X == 0, and some symmetry related transformations.
1256 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1258 2006-02-25 Roger Sayle <roger@eyesopen.com>
1261 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1262 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1263 symmetry related transformations. Fold (X^C1) == C2 as
1266 2006-02-25 Juergen Weigert <jw@suse.de>
1267 Richard Guenther <rguenther@suse.de>
1269 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1271 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1273 * combine.c (gen_lowpart_or_truncate): Call
1274 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1276 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1278 * doc/invoke.texi: Move -fopenmp description to "Options for
1280 Remove reference to -lgomp.
1282 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1284 * doc/install.texi: Require GNU tar version 1.14.
1286 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1288 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1289 * doc/invoke.texi (C++ Dialect Options): Document
1290 -fno-use-cxa-get-exception-ptr.
1291 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1292 * configure: Regenerate.
1293 * c.opt (fuse-cxa-get-exception-ptr): New.
1294 * c-opts.c (c_common_handle_option): Handle
1295 OPT_fuse_cxa_get_exception_ptr.
1296 * c-common.c (flag_use_cxa_atexit): Update documentation.
1297 (flag_use_cxa_get_exception_ptr): New.
1298 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1299 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1301 (C_COMMON_OVERRIDE_OPTIONS): New.
1303 2006-02-24 Roger Sayle <roger@eyesopen.com>
1306 * combine.c (try_combine): Explicitly check whether GET_CODE is
1307 a SET or a CLOBBER, instead on checking that it isn't a USE.
1309 2006-02-24 Roger Sayle <roger@eyesopen.com>
1311 * fold-const.c (fold_comparison): New subroutine of fold_binary
1312 containing transformations common to both the equality and
1313 ordering relational operators, factored out of fold_binary.
1314 (fold_binary): Separate out the equality operators (EQ_EXPR
1315 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1316 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1317 transformations common to both.
1318 (fold_div_compare): Fix latent bugs in the previously unreachable
1319 LT_EXPR and GE_EXPR cases.
1321 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1323 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1324 decl libname for clog to __clog on AIX.
1326 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1328 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1331 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1332 output traceback table for thunks. Localise rs6000_stack_info call.
1334 2006-02-23 Roger Sayle <roger@eyesopen.com>
1335 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1337 * gthr-posix.h (__gthrw): Fix typo in comment.
1339 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1341 * doc/cpp.texi (Character sets): Document that we do support
1342 input files to be in any character set.
1344 2006-02-23 Jeff Law <law@redhat.com>
1346 * tree.h (PHI_ARG_NONZERO): Remove.
1347 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1348 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1349 node to the new node.
1351 PR tree-optimization/26425
1352 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1353 min/max, then assume its varying.
1355 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1357 PR rtl-optimization/26316
1358 * rtlanal.c (enum may_trap_p_flags): New.
1359 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1360 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1361 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1362 (may_trap_after_code_motion_p): New function.
1363 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1364 (find_invariant_insn): Use may_trap_after_code_motion_p.
1365 * rtl.h (may_trap_after_code_motion_p): Declare.
1367 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1369 * emit-rtl.c (immed_double_const): Cleanup.
1371 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1373 Fix PR tree-optimization/26376
1374 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1377 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1380 * gimplify.c (omp_add_variable): Guard variable size decl test with
1381 DECL_SIZE (decl) check.
1383 2006-02-23 Richard Guenther <rguenther@suse.de>
1386 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1387 like aggregate types.
1389 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1391 * configure.ac: Add --with{,out}-long-double-128 configure option.
1392 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1393 * configure: Rebuilt.
1394 * config.in: Rebuilt.
1395 * doc/install.texi (Options specification): Document
1396 --with-long-double-128.
1398 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1399 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1400 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1401 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1403 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1405 * config/s390/s390.c (override_options): Handle
1406 TARGET_DEFAULT_LONG_DOUBLE_128.
1408 * config/alpha/alpha.c (override_options): Handle
1409 TARGET_DEFAULT_LONG_DOUBLE_128.
1411 * config/sparc/sparc.c (sparc_override_options): Handle
1412 TARGET_DEFAULT_LONG_DOUBLE_128.
1414 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1416 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1417 (real-install-headers-tar, real-install-headers-cpio)
1418 (real-install-headers-cp): New targets.
1420 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1422 * tree.h (variable_section): Delete.
1423 * varasm.c (variable_section): Delete.
1425 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1427 * install.texi: Add notes on install.texi2html.
1428 (Building in parallel): Do not use footnotes.
1430 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1433 * doc/install.texi (Configuration): Document --disable-libgomp.
1435 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1437 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1439 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1441 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1442 (vec_extractv2df_0_sse): New.
1444 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1446 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1447 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1448 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1449 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1450 to the result of the expression.
1451 (def_cfa_1): Adjust.
1452 (frame_pointer_cfa_offset): Rename to...
1453 (frame_pointer_fb_offset): ... this. Adjust all uses.
1454 (convert_cfa_to_loc_list): Rename to...
1455 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1456 Pass it on to build_cfa_loc.
1457 (compute_frame_pointer_to_cfa_displacement): Rename to...
1458 (compute_frame_pointer_to_fb_displacement): ... this. New
1459 offset parameter. Use it in computation.
1460 (gen_subprogram_die): Compute cfa_fb_offset with the new
1461 macro, and use it to compute the fb loc list and the
1464 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1466 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1467 replaced with register_operand.
1468 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1469 non-DREG is expensive.
1470 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1471 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1474 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1476 * doc/install.texi2html: Use set -e.
1478 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1480 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1481 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1482 * doc/invoke.texi (-fshared-data): Delete.
1483 * common.opt (fshared-data): Delete.
1484 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1485 (assemble_static_space): Remove #if 0 code.
1486 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1487 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1488 * config/cris/cris.h: Remove FIXME.
1490 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1492 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1495 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1498 * combine.c (simplify_shift_const_1): Disable nested shifts
1499 optimization for vector shifts.
1501 2006-02-20 Roger Sayle <roger@eyesopen.com>
1503 PR tree-optimization/26361
1504 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1505 of unsigned integer types.
1507 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1509 * tree-chrec.c (eq_evolutions_p): New.
1510 * tree-chrec.h (eq_evolutions_p): Declared.
1511 * tree-data-ref.c: Fix formatting.
1512 (datadep_stats, dependence_stats): New.
1514 (print_direction_vector): New.
1515 (dump_data_dependence_relation): Use print_direction_vector.
1516 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1517 (compute_subscript_distance): Static.
1518 (initialize_data_dependence_relation): Static. Get the number
1519 of loops surrounding the references from the callers, and initialize
1520 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1521 base_object_differ_p analyzers.
1522 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1523 compute_overlap_steps_for_affine_1_2,
1524 analyze_subscript_affine_affine): Count the classified dependences.
1525 Print a message when a test failed.
1526 (can_use_analyze_subscript_affine_affine): New.
1527 (analyze_siv_subscript): Compute the data dependences on symbolic
1528 scevs that verify can_use_analyze_subscript_affine_affine.
1529 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1530 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1531 Handle symbolic scevs.
1532 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1534 (subscript_dependence_tester): Moved...
1535 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1536 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1537 DDR_SIZE_VECT instead of getting it in parameter.
1538 (subscript_dependence_tester): ... here. Take as a parameter
1539 loop_nest_depth. Call build_classic_dist_vector and
1540 build_classic_dir_vector.
1541 (compute_affine_dependence): Update subscript_dependence_tester
1542 parameters. Update datadep_stats counters. Call
1543 compute_subscript_distance.
1544 (compute_self_dependence): Save the dist and dir vectors. Call
1545 compute_subscript_distance.
1546 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1547 (compute_all_dependences): Reorder parameters as they were before
1548 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1549 compute_subscript_distance. Update the use of
1550 compute_affine_dependence and initialize_data_dependence_relation.
1551 (find_data_references_in_loop): Handle COMPONENT_REF.
1552 (compute_data_dependences_for_loop): Initialize dependence_stats.
1553 Don't call build_classic_dist_vector and build_classic_dir_vector.
1554 Update the parameters of initialize_data_dependence_relation and
1555 compute_all_dependences. Print the statistics from datadep_stats.
1556 (analyze_all_data_dependences): Static. Not used until the pass for
1557 checking the data dependences is contributed.
1558 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1559 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1560 (initialize_data_dependence_relation, compute_affine_dependence,
1561 analyze_all_data_dependences, compute_subscript_distance): Removed.
1562 (print_direction_vector): New.
1563 * lambda.h (gcd): ... here.
1564 (lambda_vector_gcd): Moved here from gcd_vector.
1565 * lambda-code.c (gcd, gcd_vector): Removed.
1566 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1567 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1569 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1571 * ipa-type-escape.c: Tidy some comments and white space.
1572 * tree-ssa-operands.c: Likewise.
1574 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1577 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1578 (dump_decl_name): Do not walk the decl tree chains.
1579 * tree-pass.h (TDF_CHAIN): Remove.
1581 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1583 * Makefile.in (C): Remove
1585 (.PHONY): Remove C and PROTO
1587 2006-02-20 Roger Sayle <roger@eyesopen.com>
1590 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1591 deprecated CHAR_TYPE tree code.
1593 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1595 * configure.ac (target_list): Add install-info, dvi, html.
1596 * configure: Regenerate.
1598 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1599 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1600 treelang/Make-lang.in: Do not use double-colon rules.
1602 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1604 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1605 (TMT_USED_ALONE): New macro.
1606 * tree-pass.h (PROP_tmt_usage): New property.
1607 (TODO_update_tmt_usage): New todo.
1608 * tree-ssa-alias.c (updating_used_alone): New variable.
1609 (recalculate_used_alone): New function.
1610 (compute_may_aliases): Set updating_used_alone, call
1611 recalculate_used_alone.
1612 * tree-sra.c (pass_sra): Note that this pass destroys
1613 PROP_tmt_usage, and add TODO_update_tmt_usage.
1614 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1615 * tree-flow.h (updating_used_alone): Prototype.
1616 (recalculate_used_alone): Ditto.
1617 * passes.c (execute_todo): Add code to set updating_used_alone,
1618 and call recalculate.
1619 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1620 for clobber if used alone, and add assert to verify used_alone
1623 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1625 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1626 for non tls symbols added.
1627 (legitimize_address): Do nothing for PLUS expressions if one of the
1628 addends is a tls symbol reference.
1630 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1634 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1636 * Makefile.in (BOOTSTRAPPING): New.
1637 (quickstrap): New definition if BOOTSTRAPPING=yes.
1639 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1640 * configure.ac: Substitute all_selected_languages with the languages
1641 that were configured. For all the other variables except
1642 lang_specs_files, include all the languages in the tree.
1643 * configure: Regenerate.
1645 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1646 if there is one. Run the commands to run fixincludes in the same
1649 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1650 * doc/install.texi: Document exact conventions for searching target tools.
1651 Document --with-build-time-tools. Document toplevel bootstrap. Document
1652 something more about building an Ada cross-compiler. Don't list GNU Make
1653 requirements which affect all platforms.
1655 2006-02-19 Roger Sayle <roger@eyesopen.com>
1658 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1659 only equivalent if the have both the same mode and precision.
1661 2006-02-20 Ben Elliston <bje@au.ibm.com>
1663 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1665 2006-02-19 Roger Sayle <roger@eyesopen.com>
1666 Steven Bosscher <stevenb.gcc@gmail.com>
1668 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1669 constant pool references to identify stack mode constants.
1670 * rtlanal.c (constant_pool_constant_p): New predicate to check
1671 whether operand is a floating point constant in the pool.
1672 * rtl.h (constant_pool_constant_p): Prototype here.
1673 * loop.c (scan_loop): Avoid hoisting constants from the constant
1674 pool on STACK_REGS targets.
1675 (load_mems): Likewise.
1676 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1677 loads into x87 registers expensive in terms of register pressure.
1679 2006-02-19 Roger Sayle <roger@eyesopen.com>
1681 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1682 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1684 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1686 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1687 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1689 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1691 * doc/invoke.texi: Document -fipa-pta.
1692 * common.opt: Add ipa-pta option.
1693 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1694 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1695 (do_ds_constraint): Ditto.
1696 (get_constraint_for): Only add to referenced_vars if
1697 referenced_vars exists.
1698 (insert_into_field_list): Rewrite to do this unsorted.
1699 (insert_into_field_list_sorted): Rename old insert_into_field_list
1701 (create_function_info_for): Use insert_into_field_list_sorted.
1702 (create_variable_info_for): Rewrite so it uses unsorted version,
1703 since the field list is sorted.
1704 (intra_create_variable_infos): Only add to referenced_vars if
1705 referenced_vars exists.
1706 (ipa_pta_execute): Init heapvars, and delete when done.
1707 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1709 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1711 * doc/install.texi: Add missing `@samp'.
1713 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1715 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1718 2006-02-18 Mark Wielaard <mark@klomp.org>
1720 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1721 who added new 4.1 features, bug fixes and integration support.
1723 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1726 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1729 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1731 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1732 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1733 (copy_insn_1): Likewise. Don't copy each field individually.
1735 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1737 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1738 * rtl.c (rtx_size): Rename variable to...
1739 (rtx_code_size): ...this.
1740 (rtx_size): New function.
1741 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1742 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1744 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1745 * rtl.h (rtx_code_size): New variable.
1746 (rtx_size): Change from a variable to a function.
1747 (RTX_SIZE): Rename to...
1748 (RTX_CODE_SIZE): ...this.
1751 PR tree-optimization/17106
1752 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1753 (Anchored Addresses): New section.
1754 * doc/invoke.texi (-fsection-anchors): Document.
1755 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1756 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1757 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1758 * hooks.c (hook_bool_mode_rtx_false): New function.
1759 * hooks.h (hook_bool_mode_rtx_false): Declare.
1760 * gengtype.c (create_optional_field): New function.
1761 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1762 SYMBOL_REF_IN_BLOCK_P is true.
1763 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1764 (min_anchor_offset, max_anchor_offset): Likewise.
1765 (use_anchors_for_symbol_p): New hook.
1766 * toplev.c (compile_file): Call output_object_blocks.
1767 (target_supports_section_anchors_p): New function.
1768 (process_options): Check that -fsection-anchors is only used on
1769 targets that support it and when -funit-at-a-time is in effect.
1770 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1771 if the decl doesn't have one.
1772 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1773 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1774 of force_const_mem through use_anchored_address.
1775 (expand_expr_constant): New function.
1776 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1777 calling expand_expr for INDIRECT_REF.
1778 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1779 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1780 * expr.h (use_anchored_address): Declare.
1781 * loop-unroll.c: Don't declare rtx vectors here.
1782 * explow.c: Include output.h.
1783 (validize_mem): Call use_anchored_address.
1784 (use_anchored_address): New function.
1785 * common.opt (-fsection-anchors): New switch.
1786 * varasm.c (object_block_htab, anchor_labelno): New variables.
1787 (hash_section, object_block_entry_eq, object_block_entry_hash)
1788 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1789 (use_blocks_for_decl_p, change_symbol_section): New functions.
1790 (get_variable_section): New function, split out from assemble_variable.
1791 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1792 use_blocks_for_decl_p say so. Use change_symbol_section if the
1793 symbol has already been created.
1794 (assemble_variable_contents): New function, split out from...
1795 (assemble_variable): ...here. Don't output any code for
1796 block symbols; just pass them to place_block_symbol.
1797 Use get_variable_section and assemble_variable_contents.
1798 (get_constant_alignment, get_constant_section, get_constant_size): New
1799 functions, split from output_constant_def_contents.
1800 (build_constant_desc): Create a block symbol if use_object_blocks_p
1801 says so. Or into SYMBOL_REF_FLAGS.
1802 (assemble_constant_contents): New function, split from...
1803 (output_constant_def_contents): ...here. Don't output any code
1804 for block symbols; just pass them to place_section_symbol.
1805 Use get_constant_section and get_constant_alignment.
1806 (force_const_mem): Create a block symbol if use_object_blocks_p and
1807 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1808 (output_constant_pool_1): Add an explicit alignment argument.
1809 Don't switch sections here.
1810 (output_constant_pool): Adjust call to output_constant_pool_1.
1811 Switch sections here instead. Don't output anything for block symbols;
1812 just pass them to place_block_symbol.
1813 (init_varasm_once): Initialize object_block_htab.
1814 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1815 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1816 (place_block_symbol, get_section_anchor, output_object_block)
1817 (output_object_block_htab, output_object_blocks): New functions.
1818 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1819 (TARGET_ASM_OUT): Include it.
1820 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1821 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1822 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1823 (TARGET_INITIALIZER): Include them.
1824 * rtl.c (rtl_check_failed_block_symbol): New function.
1825 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1826 (block_symbol, object_block): New structures.
1827 (rtx_def): Add a block_symbol field to the union.
1828 (BLOCK_SYMBOL_CHECK): New macro.
1829 (rtl_check_failed_block_symbol): Declare.
1830 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1831 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1832 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1833 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1834 * output.h (output_section_symbols): Declare.
1835 (object_block): Name structure.
1836 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1837 (default_use_anchors_for_symbol_p): Declare.
1838 * Makefile.in (RTL_BASE_H): Add vec.h.
1839 (explow.o): Depend on output.h.
1840 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1841 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1842 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1843 (rs6000_use_blocks_for_constant_p): New function.
1845 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1847 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1849 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1852 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1855 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1857 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1861 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1864 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1865 instead of DECL_REGISTER.
1867 2006-02-18 Olivier Hainque <hainque@adacore.com>
1870 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1872 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1875 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1876 * opth-gen.awk: Handle Var and InverseMask together.
1877 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1878 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1879 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1880 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1882 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1883 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1884 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1885 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1886 LINUX_DYNAMIC_LINKER): Define.
1887 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1888 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1890 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1891 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1892 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1893 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1894 (TARGET_C99_FUNCTIONS): Don't define.
1895 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1896 GLIBC_DYNAMIC_LINKER.
1897 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1898 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1899 GLIBC_DYNAMIC_LINKER64): Define.
1900 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1901 LINUX_DYNAMIC_LINKER64.
1902 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1904 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1906 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1908 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1909 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1910 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1912 and LINUX_DYNAMIC_LINKER32.
1913 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1914 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1915 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1917 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1919 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1920 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1921 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1922 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1923 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1924 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1925 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1926 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1927 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1928 LINUX_DYNAMIC_LINKER): Define.
1929 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1930 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1931 GLIBC_DYNAMIC_LINKER64): Define.
1932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1933 LINUX_DYNAMIC_LINKER64.
1934 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1935 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1936 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1937 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1938 LINUX_DYNAMIC_LINKER): Define.
1939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1940 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1941 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1942 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1943 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1944 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1945 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1946 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1947 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1948 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1950 * doc/invoke.texi (-muclibc): Remove caveat about supported
1953 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1955 * doc/cpp.texi (__TIMESTAMP__): Document.
1957 2006-02-17 Roger Sayle <roger@eyesopen.com>
1960 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1961 C is one less than the width of X (and related transformations).
1962 * simplify-rtx.c (simplify_unary_operation_1): Transform
1963 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1964 depending on STORE_FLAG_VALUE, were C is one less then the
1967 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1969 Fix PR tree-optimization/26341
1970 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1971 about NAME_MEMORY_TAG's.
1973 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1976 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1977 with hardware float support, and software float support. Add fcpy
1978 alternative to hardware patterns. Add alternatives to copy between
1979 general and floating-point registers to the 32-bit pattern.
1980 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1981 secondary reload to load a QI or HI mode constant into a floating
1983 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1984 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1986 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1989 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1991 (load_macho_picbase_di): Likewise.
1993 2006-02-16 Jeff Law <law@redhat.com>
1995 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1996 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1997 (ssa_name_nonzero_p): Likewise.
1998 (get_value_range): Return NULL if VRP is not running.
1999 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2000 VRP routines do not discover a range.
2001 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2002 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2003 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2004 (tree_expr_nonnegative_p): Similarly.
2005 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2006 (restore_nonzero_vars_to_original_value): Remove.
2007 (unsafe_associative_fp_binop): Remove.
2008 (tree_ssa_dominator_optimize): Remove initialization and
2009 finalization of nonzero_vars and nonzero_vars_stack.
2010 (dom_opt_initialize_block): No longer push marker on
2012 (dom_opt_finalize_block): No longer call
2013 restore_nonzero_vars_to_original_value.
2014 (record_equivalences_from_phis): No longer look for
2015 nonzero PHI arguments.
2016 (cprop_into_successor_phis): No longer propagate nonzero
2017 property into PHI arguments. Lose unused argument. Caller
2019 (record_equivalences_from_stmt): No longer record nonzero
2020 values for SSA_NAMEs.
2021 (lookup_avail_expr): No longer use nonzero_vars.
2023 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2024 for sizetype when sizetype is unsigned.
2026 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2028 PR rtl-optimization/25603
2029 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2030 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2031 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2032 with new meaning of SETS.
2034 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2039 * config/linux.opt: New file.
2040 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2041 LINUX_DYNAMIC_LINKER): Define.
2042 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2043 * config.gcc (*-*-linux*): Define extra_options.
2044 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2045 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2046 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2047 GLIBC_DYNAMIC_LINKER.
2048 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2049 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2050 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2051 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2052 * doc/invoke.texi (GNU/Linux Options): New section.
2054 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2056 * config/sparc/sparc.md (setjmp): Rewrite.
2057 (setjmp_32): Delete.
2058 (setjmp_64): Likewise.
2060 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2062 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2065 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2067 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2070 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2072 PR rtl-optimization/26296
2073 * Makefile.in (loop-invariant.c): Add except.h dependency.
2074 * loop-invariant.c: Include except.h.
2075 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2077 2005-02-16 Paul Brook <paul@codesourcery.com>
2079 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2082 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2084 PR rtl-optimization/25636
2085 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2086 when deciding whether an insn is an initializing insn.
2088 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2090 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2091 (tree_code_size): Ditto.
2092 * tree.h (struct tree_memory_tag): Remove parent_var.
2093 (struct tree_struct_field_tag): New.
2096 (union tree_node): Add sft member.
2097 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2099 (create_sft): Add size and offset argument, set SFT_OFFSET and
2101 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2102 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2103 * tree-flow-inline.h (get_subvar_at): Update for
2104 SFT_OFFSET/SFT_SIZE.
2105 (var_can_have_subvars): Ditto.
2106 (overlap_subvar): Ditto.
2107 * print-tree.c (print_node): Print out interesting things for
2109 * tree-flow.h (struct subvar): Remove offset and size members.
2110 * tree-ssa-operands.c (get_expr_operands): Update for
2111 get_indirect_ref_operands changes.
2112 (get_indirect_ref_operands): Call add_virtual_operand instead of
2113 add_stmt_operand. Only recurse on base var if requested.
2114 (access_can_touch_variable): New function.
2115 (add_stmt_operand): Split virtual operand handling into ...
2116 (add_virtual_operand): Here. Add offset, size, and for_clobber
2117 arguments. Prune alias sets.
2118 (add_call_clobber_ops): Call add_virtual_operand.
2120 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2123 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2125 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2126 than TREE_CODE as index into omp_clause_num_ops array.
2128 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2130 PR rtl-optimization/26184
2131 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2133 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2134 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2135 must_precede, must_follow and tobe_scheduled.
2138 * opts.c (common_handle_option): Free new_option pointer.
2139 * df-core.c (df_analyze): Free postorder pointer.
2141 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2143 * Makefile.in: Fix the examples about the use of stamps
2145 2006-02-15 Michael Matz <matz@suse.de>
2149 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2150 influenced by maximum_field_alignment or DECL_PACKED.
2151 (update_alignment_for_field): Ditto.
2152 (place_field): Ditto.
2153 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2156 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2158 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2159 (debug_flow_info): Pass it.
2160 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2161 * bb-reorder.c (reorder_basic_blocks): Likewise.
2162 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2163 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2164 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2165 * gcse.c (gcse_main, bypass_jumps): Likewise.
2166 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2167 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2168 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2169 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2170 * rtl.h (dump_flow_info): Adjust prototype.
2171 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2172 * var-tracking.c (variable_tracking_main): Likewise.
2173 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2174 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2177 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2179 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2182 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2184 PR tree-optimization/26209
2185 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2186 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2188 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2190 2006-02-14 Roger Sayle <roger@eyesopen.com>
2193 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2194 (X,Y) and the corresponding symmetry related transformations.
2195 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2196 (X,Y) and its symmetry related transformations.
2198 2006-02-14 Roger Sayle <roger@eyesopen.com>
2200 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2203 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2205 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2207 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2210 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2211 support COMDAT group.
2212 * configure: Regenerate.
2214 2006-02-14 Roger Sayle <roger@eyesopen.com>
2219 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2221 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2223 Fix PR tree-optimization/26260
2225 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2227 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2228 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2229 * tree-ssa-structalias.c (create_variable_info_for): Use
2230 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2232 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2234 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2236 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2237 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2238 of the ending condition.
2239 * tree-ssa-loop-manip.c: Include params.h.
2240 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2241 tree_unroll_loop): New functions.
2242 * tree-pass.h (pass_loop_prefetch): Declare.
2243 * loop.c (rest_of_handle_loop_optimize): Test for
2244 -fprefetch-loop-arrays-rtl.
2245 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2246 * timevar.def (TV_TREE_PREFETCH): New timevar.
2247 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2248 pass_loop_prefetch): New.
2249 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2250 (cleanup_tree_cfg_loop): Call scev_reset.
2251 * common.opt (fprefetch-loop-arrays-rtl): Add.
2252 * tree-ssa-loop-prefetch.c: New file.
2253 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2254 (new_temp_expr_table): Initialize expr_vars.
2255 (free_temp_expr_table): Cleanup expr_vars.
2256 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2257 expressions from being merged into one.
2258 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2259 (struct tree_niter_desc): Add control, bound and cmp fields.
2260 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2262 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2263 (tree-cfgcleanup.o): Add SCEV_H dependency.
2264 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2265 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2267 2006-02-14 Richard Guenther <rguenther@suse.de>
2269 PR tree-optimization/26258
2270 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2271 in PHI argument processing.
2273 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2275 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2276 new expression in the requested machine mode.
2278 2006-02-13 Roger Sayle <roger@eyesopen.com>
2280 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2281 directly, instead let do_compare_rtx_and_jump handle this for us.
2282 * expr.c (expand_expr_real_1): Likewise.
2283 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2284 before do_jump_by_parts_greater.
2285 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2286 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2288 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2290 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2292 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2294 PR rtl-optimization/26235
2295 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2296 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2299 2006-02-13 Jeff Law <law@redhat.com>
2301 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2304 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2307 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2308 twice if decl is a builtin. When trying again, call get_callee_fndecl
2309 first to verify it is still a builtin.
2311 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2313 * dwarf2out.c (base_type_die): Don't add AT_name here.
2314 (subrange_type_die): Don't add AT_name here.
2315 (modified_type_die): Rearrange code flow. Do add AT_name here.
2317 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2319 PR rtl-optimization/26247
2320 PR rtl-optimization/26248
2321 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2323 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2325 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2326 * config/fixtfdi.c: Likewise.
2327 * config/fixunstfdi.c: Likewise.
2328 * config/floatditf.c: Likewise.
2330 2006-02-13 Roger Sayle <roger@eyesopen.com>
2333 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2334 into (X,C2) if C1 is a subset of the bits of C2. Transform
2335 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2337 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2339 2006-02-13 Josh Conner <jconner@apple.com>
2342 * varasm.c (function_section): Check for section name before
2343 calling select_section on targets that define
2344 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2345 unlikely_text_section instead of hot_function_section if
2346 first_function_block_is_cold.
2348 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2351 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2353 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2355 PR rtl-optimization/26222
2356 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2357 after tree->rtl expansion.
2358 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2359 before passing it to emit_move_insn.
2361 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2363 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2365 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2366 Clarify documentation.
2367 * c-common.h (warn_write_strings): Remove.
2368 * c-common.c (warn_write_strings): Likewise.
2369 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2372 2006-02-12 Roger Sayle <roger@eyesopen.com>
2375 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2376 (do_jump_parts_zero_rtx): New function renamed from
2377 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2378 (do_jump_parts_equality_rtx): New function split out from
2379 do_jump_parts_equality. Old implementation renamed as above.
2380 Call do_jump_parts_zero_rtx if either operand is zero.
2381 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2382 do all of the heavy lifting.
2383 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2384 calling either do_jump_by_parts_greater_rtx or
2385 do_jump_by_parts_equality_rtx.
2386 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2387 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2388 moved to do_compare_rtx_and_jump, call it directly.
2389 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2390 mode argument. Call do_compare_rtx_and_jump.
2391 (emit_case_nodes): Update calls to do_jump_if_equal.
2393 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2395 PR rtl-optimization/26225
2396 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2398 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2400 PR rtl-optimization/26232
2401 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2403 2006-02-11 Jason Merrill <jason@redhat.com>
2406 * tree-inline.c (declare_return_variable): Just don't use the
2407 modify target if it's a gimple complex reg and the return slot
2410 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2412 * doc/contrib.texi: Update my entry.
2414 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2416 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2418 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2420 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2423 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2425 * doc/invoke.texi (-floop-optimize2): Removed.
2426 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2427 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2428 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2429 * common.opt (floop-optimize2): Removed.
2430 (fmove-loop-invariants): Enabled by default.
2432 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2434 * tree-if-conv.c (combine_blocks): Free the result of
2435 get_loop_exit_edges.
2437 2006-02-10 Jeff Law <law@redhat.com>
2439 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2441 PR tree-optimization/26213
2442 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2443 loop trying to follow SSA_NAME_VALUE chains.
2445 2006-02-10 Richard Guenther <rguenther@suse.de>
2447 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2448 deal with structures that end in implicitly variable sized arrays.
2450 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2452 PR rtl-optimization/24762
2453 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2456 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2458 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2459 (struct ivopts_data): Add regs_used field.
2460 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2461 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2462 instead of loop_data->regs_used;
2463 (free_loop_data): Do not free aux fields for loops.
2464 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2465 and tree_ssa_iv_optimize_finalize.
2467 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2469 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2471 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2474 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2475 computing the effective result type.
2477 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2480 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2481 (tree_overlaps_hard_reg_set): Declare.
2482 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2483 type and signature to match function type expected by walk_tree.
2484 (tree_overlaps_hard_reg_set): New function.
2485 (decl_conflicts_with_clobbers_p): Rename to:
2486 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2487 Use tree_overlaps_hard_reg_set. Changed caller.
2488 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2489 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2490 * cris.c (cris_md_asm_clobbers): Likewise.
2492 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2494 * reload1.c (emit_input_reload_insns): Delete code that tries to
2495 inherit using find_equiv_reg.
2497 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2499 * c-common.h (flag_const_strings): Don't declare.
2500 * c-common.c (flag_const_strings): Remove.
2501 * c.opt (fconst_strings): Remove.
2502 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2503 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2504 (c_common_init_options): Don't set flag_const_strings.
2505 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2507 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2509 * arm.md (tlobits_cbranch): New pattern.
2510 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2511 testing a single bit.
2513 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2516 * tree-ssa-pre.c (create_component_ref_by_pieces):
2517 Handle RETURN_DECL like VAR_DECL.
2519 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2522 * fold-const.c (fold_indirect_ref_1): Fold
2523 "*(foo *)&complexfoo" to "__real__ complexfoo"
2524 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2526 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2528 * tree-flow-inline.h (var_can_have_subvars):
2529 Volatile variables should not have subvariables.
2531 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2534 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2535 multiplying unsigned values.
2538 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2540 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2542 2006-02-08 Jason Merrill <jason@redhat.com>
2545 * tree.def: Elaborate on difference from MODIFY_EXPR.
2546 * doc/c-tree.texi (INIT_EXPR): Likewise.
2547 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2548 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2549 (gimplify_target_expr): Likewise.
2550 (gimplify_cond_expr): Remove target handling.
2551 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2552 (gimplify_expr): Clobber it here.
2553 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2554 Do return slot optimization if we have an INIT_EXPR.
2557 * tree-inline.c (declare_return_variable): Also clear
2558 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2561 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2564 * gimplify.c (gimplify_one_sizepos): Fix typo.
2566 2006-02-08 Jeff Law <law@redhat.com>
2568 PR tree-optimization/21417
2569 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2570 across a backedge if the control statement at the end of the
2571 block is data dependent on other statements in the same block.
2572 (record_temporary_equivalences_from_stmts): Remove over-conservative
2573 test for threading across backedges.
2575 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2576 control statement, handle all three special cases in the same
2577 manner as they all have the same desired solution. No longer
2578 special case edge flag updating when the post dominator is
2581 2006-02-08 Roger Sayle <roger@eyesopen.com>
2583 * tree.def (CHAR_TYPE): Remove.
2584 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2585 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2586 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2587 (gen_string_type_die): Delete unreachable function.
2589 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2590 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2591 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2592 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2593 * builtins.c (type_to_class): Likewise.
2594 * fold-const.c (fold_convert, build_range_check,
2595 merge_ranges): Likewise.
2596 * expr.c (count_type_elements): Likewise.
2597 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2598 * stor-layout.c (layout_type): Likewise.
2599 * ipa-type-escape.c (type_to_consider): Likewise.
2600 * gimplify.c (omp_firstprivatize_type_sizes,
2601 gimplify_type_sizes): Likewise.
2602 * explow.c (promote_mode): Likewise.
2603 * tree-sra.c (is_sra_scalar_type): Likewise.
2604 * varasm.c (output_constant): Likewise.
2605 * tree-inline.c (remap_type_1): Likewise.
2606 * convert.c (convert_to_pointer, convert_to_real,
2607 convert_to_integer, convert_to_complex): Likewise.
2609 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2611 * df-scan.c (df_def_record_1): A set destination may
2612 be a parallel regardless of mode.
2614 2006-02-08 Roger Sayle <roger@eyesopen.com>
2617 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2618 * config/mips/_tilib.c: Remove.
2619 * config/fixtfdi.c: New libgcc source file.
2620 * config/fixunstfdi.c: New source file.
2621 * config/floatditf.c: New source file.
2622 * config/floatunditf.c: New souce file.
2623 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2624 files above instead of config/mips/_tilib.c.
2625 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2627 2006-02-08 Jeff Law <law@redhat.com>
2629 PR tree-optimization/26169
2630 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2633 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2635 * df.h (DF_REG_SIZE): Return the length of the initialized
2638 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2640 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2641 __muldf3): Return a correctly signed zero.
2643 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2645 * passes.c (register_one_dump_file): Accept the current properties
2646 instead of pass number. Adjust call to dump_register. Remove
2648 (register_dump_files): Now a wrapper around...
2649 (register_dump_files_1): ... this one. Do not modify the pass
2651 (next_pass_1): Cosmetic fix.
2652 (execute_todo): Keep second parameter only. Use curr_properties
2653 instead of fetching it from the pass structure. Check and set
2655 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2656 instead of fetching it from the pass structure. Fix calls to
2657 execute_todo. Update curr_properties and initialize .vcg RTL dump
2658 after running the pass. Reset last_verified.
2659 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2661 (FIRST_AUTO_NUMBERED_DUMP): New.
2662 (dump_register): Remove "num" parameter, assign it within the
2664 (get_dump_file_name): Modify template for dumps.
2665 * tree-dump.h (dump_register): Adjust prototype.
2666 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2667 (PROP_trees): Add PROP_gimple_lomp.
2668 (TODO_set_props): New.
2669 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2670 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2671 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2673 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2675 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2676 (sparc64-*-linux*): Likewise.
2677 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2678 * config/sparc/t-linux: New file.
2679 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2680 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2681 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2682 -m32 -mlong-double-128.
2684 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2685 * config/alpha/t-linux: New file.
2686 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2688 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2689 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2690 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2691 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2692 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2693 (CPP_ARCH32_SPEC): Remove.
2695 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2697 PR tree-optimization/26145
2698 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2701 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2704 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2705 >= 240000 when generating code for SOM runtime.
2706 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2707 to $$dyncall when generating code for SOM runtime..
2709 2006-02-07 Dirk Mueller <dmueller@suse.com>
2712 * doc/invoke.texi (-Wsequence-point): Update documentation
2713 that -Wsequence-point is implemented for C++ as well.
2715 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2717 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2718 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2719 (LIB_SPEC): Likewise.
2720 * doc/invoke.texi (SPARC options): Document -pthread.
2722 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2724 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2727 2006-02-07 Roger Sayle <roger@eyesopen.com>
2729 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2730 Correct comment describing BOOLEAN_TYPE.
2732 2006-02-07 Dirk Mueller <dmueller@suse.com>
2734 * c.opt: C++ frontend supports -Wdiv-by-zero.
2735 * c-opts.c (c_common_handle_option): Remove dead case.
2737 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2739 * configure.ac (TLS assembler check): Do not enable TLS by
2740 default on SPARC/Solaris before version 10.
2741 * configure: Regenerate.
2743 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2745 * doc/invoke.texi (xl-compat): Document conversion and support
2748 2006-02-07 Jeff Law <law@redhat.com>
2750 * tree-vrp.c (find_conditional_asserts): Update comments.
2751 (simplify_stmt_for_jump_threading): New.
2752 (identify_jump_threads, finalize_jump_threads): New.
2753 (vrp_finalize): Call identify_jump_threads.
2754 (execute_vrp): Call finalize_jump_threads.
2755 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2756 (vrp_element, vrp_data, vrp_element_p): Remove.
2757 (vrp_hash_elt, vrp_variables_stack): Remove.
2758 (vrp_hash, vrp_eq, record_range): Remove.
2759 (simplify_cond_and_lookup_avail_expr): Remove.
2760 (extract_range_from_cond): Remove.
2761 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2762 (simplify_stmt_for_jump_threading): New.
2763 (dom_thread_across_edge): New wrapper.
2764 (tree_ssa_dominator_optimize): No longer initialize or
2765 finalize any of the VRP datastructures. Remove iteration
2766 step and simplify as a result of removal of iteration step.
2767 (pass_dominator): Perform a cfg cleanup after DOM.
2768 (dom_opt_finalize_block): Use the new common routines
2769 for threading jumps. Simplify stack management slightly.
2770 No longer need to unwind VRP state.
2771 (record_equivalences_from_incoming_edge): No longer record
2773 (eliminate_redundant_computations): No longer call
2774 simplify_cond_and_lookup_avail_expr.
2775 * tree-flow.h (potentially_threadable_block): Prototype.
2776 (thread_across_edge): Likewise.
2777 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2778 (tree-ssa-threadedge.o): Add dependencies.
2779 * tree-ssa-threadedge.c: New file.
2780 * passes.c (init_optimization_passes): Merge PHIs before
2781 calling VRP. Run VRP again late in the SSA optimization pipeline.
2783 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2785 * df-core.c (df_set_blocks): Do not dereference function pointers.
2786 (df_finish1): Likewise.
2787 (df_hybrid_search_forward): Likewise.
2788 (df_hybrid_search_backward): Likewise.
2789 (df_iterative_dataflow): Likewise.
2790 (df_analyze_problem): Likewise.
2791 (df_compact_blocks): Likewise.
2792 (df_dump): Likewise.
2793 * df-scan.c (df_rescan_blocks): Likewise.
2794 (df_record_entry_block_defs): Likewise.
2796 * genconditions.c (write_conditions): Guard the definition of
2797 'insn_conditions' with the check on GCC version.
2798 (write_writer): Guard the traversal 'insn_conditions' with
2799 the check on GCC version.
2801 2006-02-07 Richard Guenther <rguenther@suse.de>
2805 2006-01-30 Richard Guenther <rguenther@suse.de>
2807 * gimplify.c (gimplify_target_expr): Handle easy cases
2808 without creating a temporary.
2810 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2812 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2813 use of float in probability computations. Use edge probabilities
2814 in place of statically computed probabilities.
2815 (min_spec_prob): New static variable.
2816 (schedule_insns): Initialize it.
2817 (GET_SRC_PROB): Removed.
2818 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2820 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2823 * config/ia64/unwind-ia64.c: Revert last change.
2824 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2825 (INCOMING_FRAME_SP_OFFSET): Define.
2827 2006-02-06 Roger Sayle <roger@eyesopen.com>
2829 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2831 2006-02-07 Ben Elliston <bje@au.ibm.com>
2833 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2834 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2835 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2836 (ix86_return_in_memory): Handle TDmode.
2837 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2838 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2840 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2842 * reorg.c (dbr_schedule): Use dump_file instead of file.
2844 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2847 * config/ia64/predicates.md (extr_len_operand): New predicate.
2848 * config/ia64/ia64.md (extv): Tighten constraints.
2850 (*tbit_and_2): Ditto.
2851 (*tbit_and_3): Ditto.
2852 (*tbit_or_2): Ditto.
2853 (*tbit_or_3): Ditto.
2857 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2860 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2862 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2864 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2865 loop_optimizer_init and loop_optimizer_finalize
2866 * tree-ssa-sink.c (execute_sink_code): Ditto.
2867 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2868 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2869 tree_ssa_loop_done): Ditto.
2870 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2871 * sched-ebb.c: Include output.h.
2872 (schedule_ebbs): Do not use dump argument.
2873 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2874 * loop.c (loop_dump_stream): Removed.
2875 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2877 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2878 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2879 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2880 loop_iterations, strength_reduce, record_biv, record_giv,
2881 final_giv_value, check_final_value, check_ext_dependent_givs,
2882 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2883 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2884 dump_file instead of loop_dump_stream.
2885 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2887 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2889 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2890 * haifa-sched.c: Include output.h
2891 (schedule_insns, sched_init): Do not use dump argument.
2892 * mode-switching.c (optimize_mode_switching): Ditto.
2893 * modulo-sched.c (stats_file): Removed.
2894 (print_node_sched_params): Do not call argument dump_file.
2895 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2896 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2898 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2900 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2901 rtl_loop_init, rtl_loop_done): Ditto.
2902 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2903 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2905 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2906 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2907 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2908 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2909 * emit-rtl.c (renumber_insns): Ditto.
2910 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2911 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2912 * regclass.c (regclass): Ditto.
2913 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2914 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2915 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2916 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2918 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2919 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2921 * gcse.c (gcse_file, debug_stderr): Removed.
2922 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2923 rest_of_handle_gcse): Do not use dump argument.
2924 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2925 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2926 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2927 compute_code_hoist_vbeinout, compute_code_hoist_data,
2928 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2929 compute_store_table, build_store_vectors, insert_insn_start_bb,
2930 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2931 store_motion): Use dump_file instead of gcse_file.
2932 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2933 * profile.c (profile_dump_file): Removed.
2934 (branch_prob): Use dump_file instead of profile_dump_file.
2935 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2937 * tree-ssa-copy.c (dump_copy_of): Ditto.
2938 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2939 dump file to life_analysis.
2940 * bt-load.c (branch_target_load_optimize): Ditto.
2941 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2943 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2944 regclass, dbr_schedule): Declaration changed.
2945 * sched-int.h (sched_init): Declaration changed.
2946 * tree-profile.c (tree_profile_dump_file): Removed.
2947 (tree_profile_hooks): Removed profile_dump_file hook.
2948 * rtl-profile (rtl_profile_dump_file): Removed.
2949 (rtl_profile_hooks): emoved profile_dump_file hook.
2950 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2952 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2953 * tree-cfg.c (build_tree_cfg): Ditto.
2954 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2955 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2956 Declaration changed.
2957 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2958 life_analysis and schedule_insns.
2959 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2961 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2963 * config/mips/mips.c (mips_reorg): Ditto.
2964 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2967 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2969 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2970 (s390_mangle_fundamental_type): New.
2971 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2974 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2975 (alpha_mangle_fundamental_type): New.
2976 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2979 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2981 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2983 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2984 (sparc_mangle_fundamental_type): New.
2986 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2988 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2989 (s390x-*-linux*): Likewise.
2990 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2991 * config/s390/t-linux: New file.
2993 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2995 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2996 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2998 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3000 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3001 (ANTIC_SAFE_LOADS): New macro.
3002 (find_or_generate_expression): Add prototype.
3003 (set_contains_value): Allow null set for sake of not always having
3004 to allocate ANTIC_SAFE_LOADS.
3005 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3006 Allow COMPONENT_REF too.
3007 (valid_in_set): Allow COMPONENT_REF.
3008 Check ANTIC_SAFE_LOADS too.
3009 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3010 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3012 (can_PRE_operation): Add COMPONENT_REF.
3013 (create_component_ref_by_pieces): New function.
3014 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3015 (insert_aux): Move AGGREGATE_TYPE_P check here.
3016 (compute_avail): Set bb local stmt uids.
3017 (pass_pre): Use TODO_update_ssa_only_virtuals.
3019 2006-02-06 Ben Elliston <bje@au.ibm.com>
3021 * configure.ac: Unconditionally disable decimal float by default.
3022 * configure: Regenerate.
3024 2006-02-06 Ben Elliston <bje@au.ibm.com>
3026 * read-rtl.c (read_name): Terminate reading on EOF.
3028 2006-02-06 Ben Elliston <bje@au.ibm.com>
3030 * dfp.c (decimal_real_arithmetic): Change second argument type
3031 from int to enum tree_code. Do not always return true, but now
3032 return result of any call to decimal_do helper functions.
3033 * dfp.h (decimal_real_arithmetic): Update prototype.
3035 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3037 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3039 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3042 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3045 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3047 * tree-vrp.c (cfg_loops): Removed.
3048 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3049 Use current_loops instead of cfg_loops. Pass flags to
3050 loop_optimizer_init.
3051 * cfgloopmanip.c (fix_loop_structure): Update only available
3053 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3054 loop_optimizer_init.
3055 * modulo-sched.c (build_loops_structure): Removed.
3056 (sms_schedule): Use loop_optimizer_init.
3057 * loop-init.c (loop_optimizer_init): Use flags to determine
3058 which properties of loops to prepare.
3059 (rtl_loop_init): Pass flags to loop_optimizer_init.
3060 * tree-ssa-sink.c (execute_sink_code): Ditto.
3061 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3062 * tree-ssa-pre.c (init_pre): Ditto.
3063 * cfgloop.h (LOOPS_NORMAL): New.
3064 (loop_optimizer_init): Declaration changed.
3066 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3068 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3069 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3071 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3073 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3075 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3076 * pa/t-pa64: Delete quadlib.c rule.
3077 * pa/x-ada: Revert last change.
3078 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3080 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3082 PR rtl-optimization/26087
3083 * rtlanal.c (canonicalize_condition): Do not cross basic block
3086 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3089 * config/ia64/ia64.c: Include debug.h.
3090 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3091 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3092 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3093 (process_epilogue, process_set, process_for_unwind_directive):
3094 Output unwind info only if requested. Add CFA info if requested.
3095 Add new arguments as needed. Adjust callers.
3096 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3098 (DWARF2_FRAME_INFO): Define to zero.
3099 * config/ia64/unwind-ia64.c: Remove code that compensated for
3100 the CFA offset error fixed above.
3101 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3102 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3103 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3104 -funwind-tables and -fexceptions to enable frame info.
3105 (dwarf2out_frame_init): Define initial CFA even if
3106 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3107 DWARF2_UNWIND_INFO is nonzero, not just defined.
3108 (dwarf2out_frame_finish): Output non-EH call frame info only
3109 if DWARF2_FRAME_INFO is nonzero.
3110 (convert_cfa_to_loc_list,
3111 compute_frame_pointer_to_cfa_displacement): Define even if
3112 unwind info is not supported.
3113 (gen_subprogram_die): Use the above unconditionally. Remove
3114 legacy alternate code.
3115 * toplev.c (compile_file): Compile in call to
3116 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3117 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3119 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3120 Jakub Jelinek <jakub@redhat.com>
3122 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3123 IBM extended float format long double as "g" on powerpc*-linux.
3125 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3128 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3129 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3131 2006-02-03 Jason Merrill <jason@redhat.com>
3134 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3137 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3138 on the return slot if it's an NRV.
3140 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3142 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3143 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3144 rewrite_use): Do not handle USE_OUTER.
3145 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3146 add_iv_outer_candidates, may_replace_final_value,
3147 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3148 (find_interesting_uses_op): Functionality of
3149 find_interesting_uses_outer_or_nonlin moved here.
3150 (find_interesting_uses_outside): Use find_interesting_uses_op.
3152 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3155 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3157 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3158 Ulrich Weigand <uweigand@de.ibm.com>
3161 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3162 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3163 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3164 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3166 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3167 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3168 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3169 Define secondary reloads for TFmode moves.
3170 (constant_modes): Add TFmode.
3171 (NR_C_MODES): Set to 8.
3172 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3174 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3175 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3176 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3177 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3178 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3179 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3180 (FPR mode macro): Add TFmode.
3181 (DSF mode macro): New.
3182 (<de>, <dee> mode attributes): Removed.
3183 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3184 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3185 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3186 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3187 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3188 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3189 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3190 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3191 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3192 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3193 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3194 "*negabs<mode>2", "sqrt<mode>2"):
3195 Changed <de> to <xde>. R constraint replaced by <Rf>.
3196 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3198 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3199 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3200 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3202 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3203 "extenddftf2", "extendsftf2"): New expanders.
3204 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3205 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3206 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3207 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3209 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3210 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3211 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3212 __floatditf): Add a GCC_4.1.0 symbol version tag.
3213 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3216 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3219 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3220 Use targetm.binds_local_p instead of TREE_PUBLIC.
3222 2006-02-02 Roger Sayle <roger@eyesopen.com>
3224 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3225 on INTEGER_TYPEs to indicate that it denotes a character type.
3226 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3227 signed_char_type_node, unsigned_char_type_node and char_type_node.
3228 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3229 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3230 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3232 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3233 Daniel Berlin <dberlin@dberlin.org>
3235 * tree-tailcall.c (arg_needs_copy_p): New function.
3236 (eliminate_tail_call): Use arg_needs_copy_p.
3237 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3238 (add_virtual_phis): New function.
3240 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3242 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3243 #ignore instead of #scratch for %g7 .register directive.
3245 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3247 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3250 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3252 * flow.c (calculate_global_regs_live): Assert that there aren't any
3255 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3257 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3259 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3260 bsi_after_labels iterator.
3261 * tree-if-conv.c (find_phi_replacement_condition,
3262 replace_phi_with_cond_modify_expr): Likewise.
3263 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3264 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3266 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3268 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3270 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3273 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3274 array after growing it.
3276 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3279 * fold-const.c (fold_checksum_tree): Change type of buf.
3281 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3283 * reload.c (push_secondary_reload): Initialize t_icode.
3285 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3287 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3288 -msoft-float -mlong-double-128 only issue a warning, but don't
3289 swich to DFmode long double.
3291 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3293 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3294 has a constant equivalent, iterate over equivalents for arg0,
3295 calling simplify_relational_operation and if there's a result
3296 cheaper than X, apply fold_rtx and return the result.
3298 2006-02-01 Jan Hubicka <jh@suse.cz>
3300 * opts.c (no_unit_at_a_time_default): New global variable.
3301 (decode_options): Use it.
3302 * opts.h (no_unit_at_a_time_default): Declare.
3304 2006-02-01 Paul Brook <paul@codesourcery.com>
3306 * function.c (assign_parm_setup_reg): Use function argument promotion
3308 * expr.c (expand_expr_real_1): Use function argument promotion rules
3311 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3313 * gcc.c (process_command): Change j to 'unsigned int'.
3315 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3318 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3319 Use the corrected index for the character
3320 out of the string constant.
3322 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3324 * mode-switching.c (optimize_mode_switching): Fix size
3325 allocated for bb_info[n_entities].
3327 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3329 * gcc.c (main): Correct type that is allocated for
3330 explicit_link_files.
3332 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3334 * config/s390/s390.c (init_alignment_context): Set
3335 ALIAS_SET_MEMORY_BARRIER on the MEM.
3336 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3338 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3341 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3343 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3346 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3348 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3349 * regrename.c: Ditto.
3350 * tree-ssa-loop-im.c: Ditto.
3351 * tree-dump.c: Ditto.
3352 * tree-complex.c: Ditto.
3353 * genrecog.c: Ditto.
3354 * tree-ssa-threadupdate.c: Ditto.
3356 * java/class.c: Ditto.
3357 * java/jcf-parse.c: Ditto.
3358 * java/resource.c: Ditto.
3359 * java/except.c: Ditto.
3360 * java/jvspec.c: Ditto.
3361 * java/jcf-write.c: Ditto.
3362 * java/jcf-path.c: Ditto.
3363 * java/gjavah.c: Ditto.
3364 * java/zextract.c: Ditto.
3365 * java/jcf-io.c: Ditto.
3366 * java/jcf.h: Ditto.
3367 * java/buffer.c: Ditto.
3368 * java/lang.c: Ditto.
3369 * java/parse-scan.y: Ditto.
3370 * java/lex.c: Ditto.
3371 * java/lex.h: Ditto.
3372 * cfgloopmanip.c: Ditto.
3373 * postreload-gcse.c: Ditto.
3374 * tree-ssa-loop-manip.c: Ditto.
3375 * postreload.c: Ditto.
3376 * tree-ssa-loop-ch.c: Ditto.
3380 * diagnostic.c: Ditto.
3382 * genoutput.c: Ditto.
3384 * cfghooks.c: Ditto.
3385 * cfgloopanal.c: Ditto.
3386 * objc/objc-act.c: Ditto.
3388 * genextract.c: Ditto.
3389 * genautomata.c: Ditto.
3390 * pretty-print.c: Ditto.
3392 * cgraphunit.c: Ditto.
3395 * haifa-sched.c: Ditto.
3396 * dominance.c: Ditto.
3398 * tree-ssa-loop-ivopts.c: Ditto.
3400 * mode-switching.c: Ditto.
3401 * modulo-sched.c: Ditto.
3403 * ipa-pure-const.c: Ditto.
3405 * fix-header.c: Ditto.
3407 * tree-stdarg.c: Ditto.
3408 * ipa-utils.c: Ditto.
3409 * loop-init.c: Ditto.
3410 * ipa-inline.c: Ditto.
3413 * alloc-pool.c: Ditto.
3414 * dwarf2out.c: Ditto.
3416 * genattrtab.c: Ditto.
3417 * tree-ssa-loop-ivcanon.c: Ditto.
3421 * fortran/gfortranspec.c: Ditto.
3423 * local-alloc.c: Ditto.
3424 * langhooks.c: Ditto.
3425 * function.c: Ditto.
3426 * tree-vectorizer.c: Ditto.
3428 * ipa-type-escape.c: Ditto.
3430 * tree-if-conv.c: Ditto.
3433 * tree-data-ref.c: Ditto.
3434 * loop-unroll.c: Ditto.
3435 * treelang/treetree.c: Ditto.
3438 * ggc-common.c: Ditto.
3440 * coverage.c: Ditto.
3442 * tree-cfgcleanup.c: Ditto.
3443 * tree-ssa-pre.c: Ditto.
3444 * cfgcleanup.c: Ditto.
3445 * loop-invariant.c: Ditto.
3447 * ipa-prop.c: Ditto.
3448 * print-tree.c: Ditto.
3449 * conflict.c: Ditto.
3450 * ggc-page.c: Ditto.
3451 * sched-deps.c: Ditto.
3452 * regclass.c: Ditto.
3453 * tree-object-size.c: Ditto.
3455 * bb-reorder.c: Ditto.
3456 * resource.c: Ditto.
3457 * var-tracking.c: Ditto.
3459 * df-problems.c: Ditto.
3460 * reg-stack.c: Ditto.
3463 * sched-rgn.c: Ditto.
3464 * tree-ssa-structalias.c: Ditto.
3465 * tree-ssa-reassoc.c: Ditto.
3466 * config/darwin-c.c: Ditto.
3467 * config/darwin.c: Ditto.
3468 * config/arm/arm.c: Ditto.
3470 * collect2.c: Ditto.
3473 2006-01-31 Nicolas Pitre <nico@cam.org>
3475 * arm.md (smaxsi3): Make aware of smax_m1.
3478 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3480 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3482 2006-01-31 Richard Guenther <rguenther@suse.de>
3484 * doc/invoke.texi (-msselibm): Document.
3485 * target.h (expand_library_builtin): New target hook.
3486 * builtins.c (expand_builtin): Use expand_library_builtin.
3487 (default_expand_library_builtin): New function.
3488 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3489 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3490 (link_gcc_math_spec): Declare.
3491 (static_specs): Add link_gcc_math_spec.
3492 * expr.h (default_expand_library_builtin): Declare.
3493 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3494 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3495 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3496 * config/i386/i386.opt (msselibm): New target option.
3497 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3498 (ix86_init_sse_abi_builtins): New function.
3499 (ix86_expand_library_builtin): Likewise.
3500 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3501 (override_options): Handle error conditions wrt -msselibm.
3502 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3503 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3504 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3507 2006-01-31 Richard Guenther <rguenther@suse.de>
3508 Paolo Bonzini <bonzini@gnu.org>
3510 * doc/install.texi (--disable-libgcc-math): Document.
3512 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3514 * expr.h (expand_normal): new inline function.
3515 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3517 * dwarf2out.c: use it.
3522 * config/sparc/sparc.c: use it.
3523 * config/i386/i386.c: use it.
3524 * config/rs6000/rs6000.c: use it.
3525 * config/arm/arm.c: use it.
3526 * config/mips/mips.c: use it.
3527 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3529 2006-01-30 Roger Sayle <roger@eyesopen.com>
3531 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3532 argv to the appropriate type.
3534 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3536 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3539 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3542 * config/s390/s390.c (struct machine_function): New flag
3543 decomposed_literal_pool_addresses_ok_p.
3544 (s390_reorg): Set it before final stage of literal pool transforms.
3545 (s390_decompose_address): Only accept displacements of the form
3546 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3548 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3550 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3551 the comparison routine return.
3553 2006-01-30 Michael Matz <matz@suse.de>
3555 * global.c (find_reg): Only evict for global regs.
3556 Take n_refs into account and dump more info.
3558 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3561 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3562 (pragma_trap, pragma_nosave_low_regs): Likewise.
3563 (current_function_anonymous_args): Likewise.
3564 (sh_deferred_function_attributes): New variable.
3565 (sh_deferred_function_attributes_tail): Likewise.
3566 (print_operand): For '@', look up trap_exit attribute.
3567 (calc_live_regs): Look up trapa_handler attribute. For trapa
3568 handlers, save/restore fpscr, but don't do any other
3569 interrupt-specific saves.
3570 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3571 Fix check for partially saved registers to check for SHmedia.
3572 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3573 (sh_output_function_epilogue): Don't clear any of the removed
3575 (sh_insert_attributes): Don't check pragma_interrupt.
3576 Insert deferred attributes. Check that interrupt attribute is
3577 present for other attributes that require its presence.
3578 (sh_attribute_table): Add new attributes trapa_handler and
3580 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3581 Don't check for pragma_interrupt. Don't store argument.
3582 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3583 (sh_deferred_function_attributes): Declare.
3584 (sh_deferred_function_attributes_tail): Likewise.
3585 * sh.md (sp_switch_1): Add operand. Change generator caller.
3586 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3587 (*return_i): Don't use when trap_exit attribute is in effect.
3588 (*return_trapa): New insn pattern.
3590 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3591 setting c_target_objs and cxx_target_objs.
3592 * t-sh: Add rule for sh-c.o.
3594 2006-01-30 Richard Guenther <rguenther@suse.de>
3597 * gimplify.c (gimplify_target_expr): Handle easy cases
3598 without creating a temporary.
3600 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3602 * vec.h (safe_grow): Remove duplicated line.
3604 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3607 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3608 (expand_omp): ... here.
3609 (expand_omp_parallel): Only remove barriers for combined
3610 parallel+workshare constructs.
3612 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3616 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3617 * tree.c (build_qualified_type): Chain the new type to the original
3618 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3619 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3620 (build_pointer_type_for_mode): Only return unqualified types.
3621 (build_reference_type_for_mode): Likewise.
3623 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3625 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3626 * Makefile.in (CXX_COMPAT_WARN): Define.
3627 * configure: Regenerate.
3629 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3632 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3635 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3637 * toplev.c: Fix thinko.
3639 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3640 Marcin Dalecki <martin@dalecki.de>
3642 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3643 (push_srcloc): Use XNEW.
3644 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3646 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3648 * df-core.c (df_set_blocks): Deleted all variable.
3650 2006-01-28 Ian Lance Taylor <ian@airs.com>
3652 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3653 cgraph_output_pending_asms.
3655 2006-01-28 Zack Weinberg <zackw@panix.com>
3657 * c.opt: Add -W(no-)overlength-strings.
3658 * doc/invoke.texi: Document it.
3659 * c-opts.c (c_common_handle_option): -pedantic implies
3660 -Woverlength-strings, if not explicitly disabled already.
3661 (c_common_post_options): -Woverlength-strings defaults to off, and
3662 is always off for C++.
3663 * c-common.c (fix_string_type): Issue warning about strings longer
3664 than is portable only if warn_overlength_strings. Rearrange code
3665 a little for clarity.
3666 * configure.in: Check for -Wno-overlength-strings as well before
3667 enabling -pedantic in stage 1.
3668 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3669 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3671 * genconditions.c (write_header, write_one_condition)
3672 (write_conditions, write_writer): Consolidate very long strings
3673 that were broken up to fit in C89 portable limit. Don't use
3674 printf when fputs will do.
3676 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3678 * combine.c (simplify_comparison <AND>): Check
3679 TRULY_NOOP_TRUNCATION before start using a subreg.
3681 * config/mips/mips.md (*branch_zero<mode>,
3682 *branch_zero<mode>_inverted, *branch_equality<mode>,
3683 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3684 Remove mode check from comparisons.
3686 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3688 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3690 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3692 * expmed.c (const_mult_add_overflow_p): Remove.
3693 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3695 * recog.c (validate_replace_rtx_subexp): Remove.
3696 * recog.h: Remove the prototype for
3697 validate_replace_rtx_subexp.
3699 * integrate.h: Remove the prototype for
3700 copy_decl_for_inlining.
3701 * rtl.h: Remove the prototype for mark_constant_function.
3702 * tree-vectorizer.h: Remove the prototype for
3703 vect_strip_conversion.
3705 * modulo-sched.c (create_partial_schedule,
3706 free_partial_schedule, reset_partial_schedule): Make them
3709 * hooks.c (hook_bool_rtx_int_false): Remove.
3710 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3712 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3714 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3715 and -mlong-double-128 are incompatible.
3716 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3717 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3718 (TARGET_LIBGCC2_CFLAGS): Define.
3719 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3720 (TARGET_LIBGCC2_CFLAGS): Same.
3721 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3723 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3726 * c-typeck.c (build_binary_op): Perform implicit casts of
3727 operands before shortening them.
3729 * cfgloopmanip.c (split_loop_bb): Remove.
3730 * cfgloop.h: Remove the prototype for split_loop_bb.
3732 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3733 * cfgloop.h: Remove the prototype for
3734 flow_loop_outside_edge_p.
3736 * emit-rtl.c (init_virtual_regs): Make it static.
3737 * function.h: Remove the prototype for init_virtual_regs.
3739 * recog.c (peephole2_optimize): Make it static.
3740 * recog.h: Remove the prototype for peephole2_optimize.
3742 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3744 * df-scan.c (df_record_entry_block_defs): Check if
3745 INCOMING_RETURN_ADDR_RTX is defined.
3747 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3748 Kenneth Zadeck <zadeck@naturalbridge.com>
3750 PR rtl-optimization/24762
3751 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3752 * targhooks.c (hook_void_bitmap): New hook prototype.
3753 * targhoohs.h (hook_void_bitmap): Ditto.
3754 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3755 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3756 * target.h (live_on_entry): New function pointer.
3757 * df-scan.c (df_all_hard_regs): Removed.
3758 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3759 (df_scan_free_internal): Added df->entry_block_defs.
3760 (df_scan_alloc): Ditto.
3761 (df_scan_dump): Ditto.
3762 (df_uses_record): Plumbed flag field properly thru calls.
3763 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3764 This part fixes PR24762.
3765 (df_bb_refs_record): Added code to make the frame and arg
3766 pointers live in EH blocks.
3767 (df_refs_record): Added call to df_record_entry_block_defs.
3768 (df_record_entry_block_defs): New function.
3769 * df-core.c: Added comments to describe new artifical defs.
3770 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3771 (entry_block_defs): New field in struct df.
3772 (df_all_hard_regs): Deleted.
3773 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3774 * df-problems.c (df_ru_bb_local_compute_process_def):
3775 Added code to handle artifical defs in the entry to a function.
3776 (df_ru_bb_local_compute): Ditto.
3777 (df_rd_bb_local_compute_process_def): Ditto.
3778 (df_rd_bb_local_compute): Ditto.
3779 (df_lr_bb_local_compute): Ditto.
3780 (df_ur_bb_local_compute): Ditto.
3781 (df_urec_bb_local_compute): Ditto.
3782 (df_chain_create_bb): Ditto.
3783 (df_ur_local_finalize): Removed entry.
3784 (df_urec_init): Ditto.
3785 (df_urec_local_finalize): Ditto.
3786 (df_ri_bb_compute): Added detection of last use of pseudos.
3787 * Makefile.in (df-scan.o): Updated dependencies.
3788 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3789 * config/mips/mips.c (mips_set_live_on_entry): Added.
3790 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3792 * dce.c (marked_insn_p): Added code to handle artifical defs.
3794 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3796 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3798 (_mm_cvtsi128_si64): Likewise.
3799 (_mm_cvtsd_si64): Likewise.
3800 (_mm_cvttsd_si64): Likewise.
3801 (_mm_cvtsi64_sd): Likewise.
3802 (_mm_cvtsi64_si128): Likewise.
3803 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3804 (_mm_cvtsi64_m64): Likewise.
3805 (_m_to_int64): Likewise.
3806 (_mm_cvtm64_si64): Likewise.
3807 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3808 (_mm_cvttss_si64): Likewise.
3809 (_mm_cvtsi64_ss): Likewise.
3810 (_mm_cvtss_f32): Likewise.
3812 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3814 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3815 for pragma redefine_extname.
3817 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3820 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3821 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3822 -mno-minimal-toc to previous content.
3823 (bispecs): Remove goal.
3824 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3825 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3826 compatibility aliases on powerpc-*-*gnu*.
3827 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3828 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3829 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3830 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3831 (ldblspecs): New goal.
3832 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3833 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3835 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3836 L_sf_to_tf or L_df_to_tf is defined.
3838 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3839 Alan Modra <amodra@bigpond.net.au>
3842 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3843 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3844 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3845 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3846 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3847 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3848 (rs6000_override_options): Initialize rs6000_ieeequad.
3849 Initialize TFmode format to ibm_extended_format if not
3851 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3853 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3854 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3855 (function_arg_advance): IBM long double passed in two FPRs, not
3857 (function_arg): IBM long double passed in FPRs.
3858 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3859 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3860 Only multireg GPR aligned.
3861 (rs6000_init_libfuncs): Enable IBM long double functions if not
3863 (rs6000_generate_compare): Use IBM long double compare if not
3865 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3866 (TARGET_IEEEQUAD): Define.
3867 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3868 not TARGET_IEEEQUAD.
3869 * config/rs6000/rs6000.md: Enable TFmode patterns if
3871 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3872 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3873 and -mlong-double-128 are incompatible.
3874 * doc/invoke.texi (-mabi): Collect options together. Add
3875 ibmlongdouble and ieeelongdouble.
3877 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3879 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3881 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3882 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3883 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3884 * rtl.h (rtunion_def): Remove rt_ptr.
3886 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3887 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3888 * config/i386/winnt.c (i386_pe_mark_dllexport)
3889 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3891 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3893 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3895 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3899 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3900 pthread_key_delete. From John David Anglin. gthrw-ify
3901 pthread_getunique_np only if it it's not a macro. Delete
3903 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3904 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3905 __gthread_objc_condition_signal, __gthread_key_delete): Add
3906 "__attribute__ ((__unused__))" to unused arguments.
3907 (__gthread_recursive_mutex_init_function): Add missing return.
3908 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3909 gthr-posix95.h: Use macro-based approach for name redirection
3910 on targets missing weakref.
3912 2006-01-26 Zack Weinberg <zackw@panix.com>
3914 * genconditions.c (write_header): In generated code, #ifdef out
3915 all includes and fake declarations, except includes of bconfig.h
3916 and system.h, unless GCC_VERSION >= 3001. Do not include
3917 gensupport.h in any case.
3918 (write_conditions): Generate a definition of struct c_test. Add
3919 a comment to the generated #endif.
3920 (write_one_condition): Escape backslashes in string too.
3921 (write_writer): Generated code must escape backslashes and quote
3922 marks (but not newlines) in the strings it writes.
3923 * Makefile.in (build/gencondmd.o): Update dependencies.
3925 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3928 * Makefile.in (insn-automata.o): Add header file dependencies.
3929 * genautomata.c: Add includes.
3931 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3934 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3936 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3938 * configure.ac: Expect target tools paths to be passed from the toplevel
3939 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3941 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3943 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3946 * c.opt (Wpointer-sign): Init to -1.
3947 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3948 OPT_pedantic, to 0 otherwise.
3949 * doc/invoke.texi: Update.
3951 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3953 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3954 constants provided by 80387 instructions in the destination mode.
3956 2006-01-26 Richard Guenther <rguenther@suse.de>
3957 Andrew Pinski <pinskia@physics.uc.edu>
3960 partial PR tree-opt/17064
3961 * tree-ssa-structalias.c (intra_create_variable_infos):
3962 Create heap variables for incoming parameters if
3963 flag_argument_noalias > 1.
3964 (find_what_p_points_to): Look through default defs of
3967 2006-01-26 Jeff Law <law@redhat.com>
3970 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3971 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3972 within the VR_RANGE, use the VR_RANGE as the result, not the
3974 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3975 bounds for the type.
3977 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3979 * tree-ssa-alias.c (maybe_create_global_var): Change
3980 subvar walking to an assertion that we don't have subvar'd variables.
3982 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3985 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3986 Use a new variable, inner. PARM_DECLs are always non-weak.
3988 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3990 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3993 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3995 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3997 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3999 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4000 (smax_insn, smin_insn, smax_0, smin_0): New.
4002 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4005 * config/cris/cris.c (cris_order_for_addsi3): New function.
4006 * config/cris/cris-protos.h: Prototype it.
4007 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4008 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4009 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4010 (split for "op.S1 [rx=rx+i],ry (swapped)")
4011 (split for "op(s|u).S1 [rx=rx+i],ry")
4012 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4013 Apply cris_order_for_addsi3 when generating addsi3 insns.
4015 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4017 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4018 (TREE_BLOCK): Add call to EXPR_CHECK.
4020 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4023 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4024 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4025 (dump_omp_clauses): ... here.
4026 (dump_generic_node): Handle OMP_CLAUSE.
4027 * tree.c (omp_clause_num_ops): New.
4028 (omp_clause_code_name): New.
4029 (tree_code_size): Handle OMP_CLAUSE.
4030 (tree_size): Likewise.
4031 (make_node): Document handling of OMP_CLAUSE.
4032 (tree_node_structure): Handle OMP_CLAUSE.
4033 (omp_clause_check_failed): New.
4034 (omp_clause_range_check_failed): New.
4035 (omp_clause_operand_check_failed): New.
4036 (build_omp_clause): New.
4037 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4038 * tree.h (enum omp_clause_code): Declare.
4039 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4040 (OMP_CLAUSE_RANGE_CHECK): Define.
4041 (OMP_CLAUSE_ELT_CHECK): Define.
4042 (omp_clause_check_failed): Declare.
4043 (omp_clause_operand_check_failed): Declare.
4044 (omp_clause_range_check_failed): Declare.
4045 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4046 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4047 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4048 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4049 (OMP_CLAUSE_IF_EXPR): Likewise.
4050 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4051 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4052 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4053 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4054 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4055 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4056 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4057 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4058 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4059 (OMP_CLAUSE_CODE): Define.
4060 (OMP_CLAUSE_SET_CODE): Define.
4061 (OMP_CLAUSE_CODE): Define.
4062 (OMP_CLAUSE_OPERAND): Define.
4063 (struct tree_omp_clause): Declare.
4064 (union tree_node): Add field 'omp_clause'.
4065 * treestruct.def (TS_OMP_CLAUSE): Define.
4066 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4067 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4068 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4069 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4070 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4071 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4072 (OMP_CLAUSE): Define.
4073 * print-tree.c (print_node): Handle OMP_CLAUSE.
4074 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4075 * c-typeck.c: Likewise.
4076 * gimplify.c: Likewise.
4077 * c-omp.c: Likewise.
4078 * tree-nested.c: Likewise.
4079 * tree-inline.c: Likewise.
4080 * c-parser.c: Likewise.
4081 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4084 2006-01-25 Roger Sayle <roger@eyesopen.com>
4086 PR rtl-optimization/25703
4087 * combine.c (try_combine): Handle zero_extract and strict_low_part
4088 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4090 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4092 * global.c: Fix comment typos.
4094 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4097 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4098 Use output_addr_const instead of assemble_name.
4100 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4102 * Makefile.in (sched-vis.o): Update dependencies.
4103 * haifa-sched.c (sched_finish): Clear current_sched_info.
4104 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4105 (dump_flow_info): Call it.
4106 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4108 * basic-block.h (dump_bb_info): Declare.
4109 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4110 option, and apply options only for dump files whose TDF_RTL,
4111 TDF_TREE, or TDF_IPA bits match.
4112 * rtl.h: Declare new functions exported from sched-vis.c.
4113 * sched-vis.c: Enable also if scheduling is not used.
4114 (print_value): Print the mode of registers if not inside scheduling.
4115 (print_insn): Make it work outside the scheduler. Beautify the output
4117 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4119 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4121 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4122 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4123 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4124 depending on the value of CONSTANT_POOL_ADDRESS_P.
4125 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4127 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4128 rather than SYMBOL_REF_DECL.
4129 (rtx_constant_pool): Remove const_rtx_sym_htab.
4130 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4131 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4132 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4133 Remove handling of const_rtx_sym_htab.
4134 (find_pool_constant): Delete.
4135 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4136 rather than find_pool_constant.
4137 (get_pool_constant_for_function): Delete.
4138 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4140 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4141 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4142 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4143 (SYMBOL_REF_CONSTANT): New macro.
4144 (get_pool_constant_for_function): Delete.
4145 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4146 rather than SYMBOL_REF_DECL.
4147 (i386_pe_mark_dllimport): Likewise.
4148 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4149 rather than SYMBOL_REF_DECL.
4150 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4151 (machopic_indirect_call_target): Likewise.
4153 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4155 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4157 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4159 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4161 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4163 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4165 2006-01-24 David Daney <ddaney@avtrex.com>
4168 * configure.ac (enable_tls): New enable option.
4169 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4170 * configure: Regenerate.
4171 * doc/install.texi (--enable-tls): Document new option.
4172 (--disable-tls): Ditto.
4174 2006-01-24 Richard Henderson <rth@redehat.com>
4176 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4177 * alias.c (true_dependence): Respect it.
4178 (canon_true_dependence, write_dependence_p): Likewise.
4179 * builtins.c (get_builtin_sync_mem): Set it.
4181 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4183 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4186 2006-01-24 DJ Delorie <dj@redhat.com>
4188 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4189 for storing constants in single-bit bitfields.
4191 2006-01-25 Ben Elliston <bje@au.ibm.com>
4193 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4195 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4198 * tree-ssa-pre.c (phi_translate): Return NULL
4199 for AGGREGATE_TYPE's.
4201 2006-01-24 Zack Weinberg <zackw@panix.com>
4203 * genautomata.c (process_state_for_insn_equiv_partition):
4204 Use xcalloc for insn_arcs_array.
4205 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4206 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4208 2006-01-24 Richard Henderson <rth@redhat.com>
4210 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4213 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4215 PR rtl-optimization/25890
4216 PR rtl-optimization/25905
4217 * combine.c (expand_compound_operation, expand_field_assignment):
4218 Fail if the bitfield's final position is out of bounds.
4220 2006-01-24 Ian Lance Taylor <ian@airs.com>
4223 * cgraphunit.c (cgraph_output_in_order): Don't clear
4224 cgraph_asm_nodes until after asm strings have been output.
4226 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4228 * fix-header.c (read_scan_file): Add new parameter imultilib when
4229 calling register_include_chains.
4231 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4233 * omp-low.c: Update documentation.
4235 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4236 Daniel Berlin <dberlin@dberlin.org>
4240 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4241 return from the function.
4243 2006-01-22 Zack Weinberg <zackw@panix.com>
4245 * rtl.def (match_code): Add second argument.
4246 * genpreds.c (write_extract_subexp): New function.
4247 (write_match_code): Add path argument. Use write_extract_subexp.
4248 (write_predicate_expr): Pass path to write_match_code.
4249 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4250 not perform a mode test.
4251 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4252 a subexpression does not constrain the top-level code set.
4253 * read-rtl.c (read_rtx_variadic): New function.
4254 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4255 * doc/md.texi: Document new notation.
4256 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4257 (cmpsi_operand): ... here, using new notation.
4259 2006-01-22 Zack Weinberg <zackw@panix.com>
4261 * varray.c: Remove GENERATOR_FILE #ifdefs.
4263 2006-01-22 Zack Weinberg <zackw@panix.com>
4265 * genautomata.c (output_reserved_units_table): Emit nothing if
4266 description->query_units_num is zero. Remove extra blank line.
4267 (output_cpu_unit_reservation_p): Short circuit
4268 if description->query_units_num is zero.
4270 2006-01-22 Zack Weinberg <zackw@panix.com>
4272 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4273 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4274 nor any of the random handful of variables that used to be necessary
4275 when this program was linked with rtlanal.o. Prune set of forward
4276 function declarations.
4277 (struct attr_desc): Remove static_p field.
4278 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4279 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4280 (attr_string): Do not read the character one past the length of
4282 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4283 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4284 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4285 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4286 (make_automaton_attrs): New.
4287 (main): Do not call into genautomata. Call local gen_bypass
4288 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4289 Remove special case for insn_alts.
4290 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4291 varray.h (leftover from previous change). Prune set of forward
4292 function declarations. Remove state_alts fields from all
4293 structures. Remove state_alts_table from struct automaton.
4294 Make everything except main static. Do not maintain num_dfa_decls.
4295 Do not maintain state_alts fields of various structures.
4296 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4297 (add_arc): Remove state_alts argument. All callers updated.
4298 (output_reserved_units_table): Emit #ifdef here...
4299 (output_tables): ...not here. Don't generate state_alts tables.
4300 (expand_automata): Don't generate attributes.
4301 (write_automata): Don't generate state_alts functions.
4302 (main): New function.
4303 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4304 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4305 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4306 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4307 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4308 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4309 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4310 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4312 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4313 * genattrtab.h: Delete file.
4314 * Makefile.in (OBJS-common): Add insn-automata.o.
4315 (insn-automata.o): New rule.
4316 (simple_generated_c): Add insn-automata.c.
4317 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4318 (genprogmd): Add automata.
4319 (build/genattrtab): Needs no extra objects nor libraries.
4320 (build/genautomata): Needs build/vec.o and -lm.
4322 2006-01-22 Zack Weinberg <zackw@panix.com>
4324 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4325 (output_dfa_max_issue_rate, locked_states_num): Delete.
4326 (struct automaton): Add locked_states field.
4327 (output_dead_lock_vect): Save number of locked states in
4328 automaton->locked_states. If it is zero, don't print anything.
4329 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4330 (output_internal_dead_lock_func): Only test the dead_lock_vect
4331 for automata that have locked states.
4332 (output_statistics): Always print the number of locked states for
4333 each automaton. Calculate total number of locked states here.
4334 (write_automata): Don't call output_dfa_max_issue_rate.
4335 * genattrtab.c: Define length_unit_log as a const variable.
4336 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4337 max_insn_queue_index const.
4338 * final.c (length_unit_log): Declare const.
4339 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4341 2006-01-22 Zack Weinberg <zackw@panix.com>
4343 * genautomata.c: Include vec.h, not varray.h.
4344 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4345 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4346 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4347 VEC_* macros operating on appropriately typed vectors, or to
4348 malloced arrays when the size is known in advance. Const-ify
4349 many char* variables and function arguments. No functional changes.
4350 * Makefile.in (build/varray.o): Delete rule.
4351 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4352 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4354 2006-01-22 Zack Weinberg <zackw@panix.com>
4356 * gensupport.c: Define get_insn_name and record_insn_name here.
4357 (read_md_rtx): Call record_insn_name as appropriate.
4358 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4359 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4360 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4362 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4363 (BUILD_VARRAY): Delete.
4364 (genprognormal): Rename genprogmd. Fold in all programs from
4365 genprognoprint; also attrtab.
4366 (build/genattrtab): Just mention genautomata.o and varray.o.
4367 Reorganize a bit, add comments to make the categories clearer.
4369 2006-01-22 Zack Weinberg <zackw@panix.com>
4371 * genconditions.c (condition_table, add_condition): Delete.
4372 (write_conditions): Don't emit n_insn_conditions nor
4373 insn_elision_unavailable. Issue the gcc version #ifdef here,
4374 inside the table, with no #else clause ...
4375 (write_header): ...not here.
4376 (write_writer): New function.
4377 (main): Don't initialize condition_table. Use add_c_test.
4379 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4380 files on the command line.
4381 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4382 Return -1 if there is no entry in the table, don't abort.
4383 (add_c_test, traverse_c_tests): New functions.
4384 * gensupport.h (insn_elision_unavailable, insn_conditions)
4385 (n_insn_conditions): Delete declarations.
4386 (add_c_test, traverse_c_tests): Declare.
4387 * read-rtl.c: Include gensupport.h.
4388 (read_conditions): New function.
4389 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4390 (read_rtx_1): If we get EOF when we were looking for an initial
4391 open paren, return 0. Call read_conditions when appropriate.
4392 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4393 dummy-conditions.o. Eliminate references to insn-conditions.o,
4394 or change them to build/gencondmd.o, as appropriate. Remove
4395 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4396 from $(simple_generated_c). For all files remaining in those
4397 two lists, add insn-conditions.md to the generator command line.
4398 Give insn-constants.h/s-constants their own rules. Add rules
4399 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4400 (build/read-rtl.o): Depend on gensupport.h.
4401 (genprognormal): Include preds.
4402 (genprogearly): Rename genprognoprint; only difference is now that
4403 they don't link with $(BUILD_PRINT).
4404 * dummy-conditions.c: Delete.
4406 2006-01-22 Zack Weinberg <zackw@panix.com>
4408 * genextract.c: Don't include insn-config.h. Do include vec.h.
4409 Declare vectors of int, char, and locstr.
4410 (locstr): New typedef.
4411 (struct extraction): Make all array fields into bare pointers.
4412 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4413 (insn_code_number): Delete.
4414 (accum_extract): New struct.
4415 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4416 (gen_insn): Take insn_code_number as an argument. Use an
4417 accum_extract structure instead of loading data directly into
4418 a struct extraction, and having to know how big it might get.
4419 (walk_rtx): Operate entirely on an accum_extract structure.
4420 (print_path): Avoid unnecessary use of printf.
4421 (print_header): New function, split out of main. Distinguish
4422 more carefully between an unrecognizable insn and an insn that
4423 has the code number of a define_expand.
4424 (main): Pass insn_code_number to gen_insn. Call print_header
4425 only after parsing. Avoid unnecessary use of printf.
4426 * Makefile.in (build/vec.o): New rule.
4427 (build/genextract): Depend on build/vec.o.
4428 (build/genextract.o): Don't depend on insn-config.h.
4430 2006-01-22 Zack Weinberg <zackw@panix.com>
4432 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4433 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4434 practical. Eliminate per-generator-program link rules.
4436 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4439 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4440 with a call expr to ...
4441 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4443 2006-01-23 Richard Guenther <rguenther@suse.de>
4445 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4446 before make_edge with conditional EDGE_TRUE_VALUE.
4448 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4449 Jan Hubicka <jh@suse.cz>
4450 Richard Guenther <rguenther@suse.de>
4452 PR rtl-optimization/25654
4453 * cfgexpand.c (aggregate_contains_union_type): New function.
4454 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4455 for structure variables that contain a union type.
4457 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4459 * gengtype.c (new_structure): Return the structure.
4460 (create_option): Add an extra "next" argument.
4461 (create_field): New function.
4462 (adjust_field_rtx_def): Use create_option and create_field.
4463 Remove a now-unnecessary call to find_structure.
4464 (adjust_field_tree_def): Likewise.
4465 (note_yacc_type): Remove an unnecessary call to find_structure.
4466 * gengtype.h (new_structure): Return the structure.
4467 (create_option): Add an extra argument.
4468 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4469 (option): Adjust calls to create_option.
4471 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4473 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4475 2006-01-22 Paul Brook <paul@codesourcery.com>
4476 Peter Barada <peter@the-baradas.com>
4478 * config/m68k/m68k.md: Add Coldfire FPU support.
4479 Define FP mode macro and associated attributes.
4480 Use it for float mode patterns.
4481 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4482 (LIBCALL_VALUE): Use m68k_libcall_value.
4483 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4484 (m68k_function_value): Ditto.
4485 (emit_move_sequence): Ditto.
4486 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4487 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4488 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4489 (MULTILIB_EXCEPTIONS): Ditto.
4490 * config/m68k/m68k.opt: Add mcfv4e.
4491 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4492 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4493 (m68k_output_function_prologue): Save ColdFire FPU registers.
4494 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4495 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4496 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4497 ColdFire FPU registers.
4498 (m68k_libcall_value, m68k_function_value): New functions.
4499 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4500 (LIBCALL_VALUE): Use m68k_libcall_value.
4501 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4502 (MASK_COLDFIRE): Add MASK_CFV4E.
4503 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4504 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4505 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4506 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4507 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4508 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4509 * doc/invoke.tex: Document -mcfv4e on m68k.
4511 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4513 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4516 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4519 * c-opts.c (c_common_handle_option): Don't include
4520 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4521 * doc/invoke.texi (C++ Dialect Options): Document that
4522 -Wnon-virtual-dtor is no longer included in -Wall.
4524 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4526 * gcov.c (print_version), gcov-dump.c (print_version),
4527 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4530 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4532 * df-scan.c (problem_SCAN): Added NULL reset function.
4533 (df_scan_reset_blocks): Added code to call reset block function
4534 (df_bb_refs_delete) Fixed comment.
4535 (df_insn_refs_delete): Made tolerant of deleting non existent info
4536 for dataflow problems that need to be reset.
4537 * df-core.c (df_set_blocks): Ditto.
4538 * df.h (struct df_problem): Added reset_fun.
4539 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4540 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4541 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4542 functions to clear out all references to def-use or use-def chains.
4544 2006-01-21 Ben Elliston <bje@au.ibm.com>
4546 * varasm.c (assemble_real): Initialise data array.
4548 2006-01-20 Paul Brook <paul@codesourcery.com>
4550 Merge from csl-arm-branch.
4551 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4552 * config/arm/arm.md (movdi): Force operands[1] to a register
4553 if we have a non-register source.
4554 (*arm_movdi, *movdf_soft_insn): Require that one of the
4555 operands be a register.
4556 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4557 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4559 2006-01-20 DJ Delorie <dj@redhat.com>
4561 * varasm.c (initialize_constant_valid_p): Allow pointers
4562 initialized from integer constants of lesser precision.
4563 (output_constant): Allow non-int-sized pointer modes to be
4564 initialized from integer constants.
4566 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4569 * cppdefault.h (struct default_include): Add multilib flag.
4570 * cppdefault.c (cpp_include_defaults): Set it.
4571 * c.opt (-imultilib): New option.
4572 * c-opts.c (imultilib): New.
4573 (c_common_handle_option): Handle -imultilib.
4574 (c_common_post_options): Likewise.
4575 * c-incpath.c (add_standard_paths, register_include_chains):
4577 * c-incpath.h (register_include_chains): Add extra parameter.
4578 * gcc.c (do_spec_1): Generate -imultilib option.
4579 (The Specs Language): Update %I description.
4580 (process_command): Update copyright notice.
4581 * doc/cppopts.texi (-imultilib): Document.
4582 * doc/invoke.texi (-imultilib): Include in option summary.
4583 (%I): Update specs documentation.
4585 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4587 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4589 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4591 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4594 2006-01-20 Richard Guenther <rguenther@suse.de>
4595 Steven Bosscher <stevenb.gcc@gmail.com>
4597 PR rtl-optimization/24626
4598 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4599 EDGE_TRUE_VALUE if in RTL mode.
4602 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4603 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4605 2006-01-20 Dirk Mueller <dmueller@suse.com>
4608 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4609 instead of a special NOP marker.
4610 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4611 NOP marker handling.
4612 * c-common.h (empty_body_warning): Add forward declaration.
4613 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4614 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4616 2006-01-20 Paul Brook <paul@codesourcery.com>
4618 * Makefile.in (lang_checks): Keep going if mkdir fails.
4620 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4622 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4623 be able to clean out basic block when not necessary.
4624 (df_scan_free): Fixed to properly delete information if df is
4625 unused before calling df_finish.
4626 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4627 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4629 (df_bb_refs_delete): New function.
4630 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4631 * df-core.c (df_set_blocks): Added code to properly clean out
4632 unused blocks if they are not part of the blocks to consider.
4633 Added additional null check.
4634 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4635 be able to clean out basic block when not necessary
4636 * df.h (df_free_bb_function): Ditto.
4637 (df_bb_refs_delete): New function.
4638 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4639 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4640 basic block parameter to be able to clean out basic block when not
4642 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4643 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4644 Fixed to properly delete information if df is unused before
4647 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4649 PR rtl-optimization/25799
4650 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4651 Corrected confluence operator to remove bits from op2 before oring
4652 with op1 rather than removing bits from op1.
4653 (df_ru_transfer_function): Corrected test on wrong bitmap which
4654 caused infinite loop. Both of these problems were introduced in
4655 the dataflow rewrite.
4657 2006-01-19 DJ Delorie <dj@redhat.com>
4659 * reload1.c (find_reload_regs): Note the details of reload
4660 failures in the dump file.
4661 (spill_failure): Likewise.
4663 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4665 * loop-iv.c: Include df.h and hashtab.h.
4666 (enum iv_grd_result): New enum.
4667 (DF_REF_IV, DF_REF_IV_SET): New macros.
4668 (struct biv_entry): New.
4669 (df, bivs): New global variables.
4670 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4671 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4673 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4674 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4675 analyzed_for_bivness_p, record_biv): New functions.
4676 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4677 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4678 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4680 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4682 (iv_number_of_iterations): Use new interface to iv analysis.
4683 * loop-unroll.c: Do not include varray.h.
4684 (analyze_iv_to_split_insn): Use new interface to iv
4686 * loop-unswitch.c (may_unswitch_on): Ditto.
4687 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4689 (df_bb_modify): Realloc tables to the new index.
4690 (df_find_use): New function.
4691 * df.h (df_find_use): Declare.
4692 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4694 * cfgloop.h (struct rtx_iv): Remove analysed field.
4695 (iv_get_reaching_def): Removed.
4696 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4697 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4698 (loop-iv.o): Add df.h and hashtab.h dependency.
4699 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4701 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4704 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4706 (__floatundisf, __floatundidf): Likewise.
4707 * libgcc2.h (IS_IBM_EXTENDED): Define.
4709 2006-01-19 DJ Delorie <dj@redhat.com>
4711 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4713 2006-01-19 Paul Brook <paul@codesourcery.com>
4715 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4716 as nothrow when unwinding tables are disabled.
4718 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4721 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4722 of bit-field" when in system header.
4724 2006-01-19 DJ Delorie <dj@redhat.com>
4726 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4727 the 16 bit shift limit of the m16c.
4729 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4732 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4733 * config/i386/i386.c (output_set_got): Output the label if we have one
4734 for the TARGET_DEEP_BRANCH_PREDICTION case.
4736 2006-01-19 Jan Hubicka <jh@suse.cz>
4737 H.J. Lu <hongjiu.lu@intel.com>
4738 Evandro Menezes <evandro.menezes@amd.com>
4740 * invoke.texi (generic): Document
4742 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4743 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4744 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4745 (x86_use_incdec, x86_pad_returns): New variables
4746 (TARGET_CPU_DEFAULT_generic): New constant
4747 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4748 (enum processor_type): Add generic32 and generic64.
4749 * i386.md (cpu attribute): Add generic32/generic64
4750 (movhi splitter): Behave sanely when both partial_reg_dependency and
4751 partial_reg_stall are set.
4752 (K8 splitters): Enable for generic as well.
4753 * predicates.md (incdec_operand): Use TARGET_INCDEC
4754 (aligned_operand): Avoid memory mismatch stalls.
4755 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4756 * ppro.md: Enable for generic32
4757 * i386.c (generic64_cost, generic32_cost): New.
4758 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4759 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4760 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4761 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4762 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4763 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4764 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4765 x86_accumulate_outgoing_args, x86_prologue_using_move,
4766 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4767 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4769 (x86_use_incdec, x86_pad_returns): New.
4770 (override_options): Add generic32 and generic64, translate "generic"
4771 to generic32/generic64 and "i686" to "generic32", refuse
4772 "generic32"/"generic64" as arch target.
4773 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4774 (ix86_reorg): Honor PAD_RETURNS.
4776 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4778 * tree-pretty-print.c (dump_generic_node): Handle
4779 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4780 * cgraph.c (cgraph_expand_queue): Rename from
4781 cgraph_analyze_queue. Update all users.
4782 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4783 cgraph_expand_queue.
4784 (cgraph_expand_all_functions): Likewise.
4785 (cgraph_finalize_pending_functions): Remove. Update callers.
4787 * tree.h (OMP_DIRECTIVE_P): Define.
4788 (OMP_PARALLEL_FN): Define.
4789 (OMP_PARALLEL_DATA_ARG): Define.
4790 (OMP_SECTIONS_SECTIONS): Define.
4791 * tree-pass.h (pass_expand_omp): Declare.
4792 * omp-low.c (struct omp_region): Declare.
4793 (struct omp_context): Remove fields 'parallel_type',
4794 'parallel_start_ix' and 'parallel_start_additional_args'.
4796 (struct omp_for_data): Rename from struct expand_omp_for_data.
4797 (omp_regions): New static variable.
4798 (root_omp_region): New static variable.
4799 (find_omp_clause): Make static.
4800 (is_in_combined_parallel_ctx): Remove.
4801 (is_combined_parallel): New.
4802 (extract_omp_for_data): Move earlier in the file.
4803 (workshare_safe_to_combine_p): New.
4804 (get_ws_args_for): New.
4805 (determine_parallel_type): Move earlier in the file.
4806 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4808 (omp_copy_decl): Likewise.
4809 (create_omp_child_function): Likewise.
4810 (lookup_omp_region): New.
4811 (dump_omp_region): New.
4812 (debug_omp_region): New.
4813 (debug_all_omp_regions): New.
4814 (new_omp_region): New.
4815 (scan_omp_parallel): If parallel_nesting_level > 1, the
4816 directive is nested within another parallel directive.
4817 Set OMP_PARALLEL_FN.
4818 (scan_omp_for): Do not try to handle combined parallel+for
4820 Remove FIXME comment.
4821 (scan_omp_nested): Remove.
4822 (scan_omp_1): Do not call scan_omp_nested when
4823 parallel_nesting_level is > 1.
4824 Do not change the DECL_CONTEXT of local variables found.
4825 (lookup_decl_in_outer_ctx): New.
4826 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4827 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4828 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4829 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4830 If CTX is nested, lookup VAR in the outer context when
4831 building copy assignment.
4832 (lower_send_clauses): Rename from expand_send_clauses.
4833 If CTX is nested, lookup VAR in the outer context when
4834 building copy assignments.
4835 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4836 If CTX is nested, lookup VAR in the outer context when
4837 building copy assignments.
4838 (expand_parallel_call): Rename from build_parallel_call.
4839 Handle combined parallel+workshare cases.
4840 Re-implement to emit code into the CFG.
4842 (expand_omp_parallel): Re-implement to emit code into the CFG.
4843 Call move_sese_region_to_fn to outline the sub-graph
4844 containing the parallel region.
4845 (expand_omp_for_1): Remove.
4846 (expand_omp_for_generic): Re-implement to emit code into the
4848 (expand_omp_for_static_nochunk): Likewise.
4849 (expand_omp_for_static_chunk): Likewise.
4850 (expand_omp_for): Likewise.
4851 (expand_omp_sections): Likewise.
4852 (remove_exit_barriers): New.
4853 (expand_omp_synch): New.
4855 (build_omp_regions_1): New.
4856 (build_omp_regions): New.
4857 (execute_expand_omp): New.
4858 (gate_expand_omp): New.
4859 (pass_expand_omp): Define.
4860 (lower_omp_sections): Rename from expand_omp_sections.
4861 Set OMP_SECTIONS_SECTIONS.
4862 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4863 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4864 (lower_omp_single): Rename from expand_omp_simple.
4865 (lower_omp_master): Rename from expand_omp_master.
4866 (lower_omp_ordered): Rename from expand_omp_ordered.
4867 (lower_omp_critical): Rename from expand_omp_critical.
4868 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4869 (lower_omp_for): Re-implement.
4870 (lower_omp_parallel): Re-implement.
4871 (lower_regimplify): Rename from expand_regimplify.
4872 (lower_omp_1): Rename from expand_omp_1.
4873 If there are syntax errors in the program, replace every
4874 OpenMP directive with NOP.
4875 Call lower_omp_* instead of expand_omp_*.
4876 (lower_omp): Rename from expand_omp.
4878 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4879 * tree-gimple.h (enum omp_parallel_type): Remove.
4880 (gimple_boolify): Declare extern.
4881 (find_omp_clause, determine_parallel_type): Remove.
4883 * gimple-low.c (lower_omp_directive): New.
4884 (lower_stmt): Call it.
4885 (record_vars_into): Move from ...
4886 (record_vars): ... here.
4887 Call record_vars_into with current_function_decl.
4889 * gimplify.c (struct gimplify_ctx): Remove fields
4890 combined_pre_p and combined_ctxp. Update users.
4891 (get_formal_tmp_var): Add documentation.
4892 (gimple_boolify): Make extern.
4893 (gimplify_expr_in_ctx): Remove. Update callers.
4894 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4895 will always be a BIND_EXPR.
4896 (gimplify_expr): Handle OMP_RETURN_EXPR.
4897 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4898 (OMP_PARALLEL): Add 3 operands.
4899 (OMP_SECTIONS): Add 1 operand.
4900 (OMP_RETURN_EXPR): Define.
4902 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4903 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4904 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4905 creating a circular free list.
4906 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4908 * tree-flow.h (move_sese_region_to_fn): Declare.
4909 (record_vars_into): Declare.
4910 * tree-cfg.c (make_omp_sections_edges): New.
4911 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4912 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4913 OMP_SECTIONS and OMP_SECTION.
4914 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4915 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4916 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4917 (gather_blocks_in_sese_region): New.
4918 (struct move_stmt_d): Declare.
4920 (move_block_to_fn): New.
4921 (move_sese_region_to_fn): New.
4923 * passes.c (init_optimization_passes): Schedule
4924 pass_expand_omp after pass_init_datastructures.
4926 * tree-ssa-operands.c (get_expr_operands): Handle
4927 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4928 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4930 2006-01-19 Jeff Law <law@redhat.com>
4932 * tree-vrp.c (extract_range_from_assert): Refine the result range
4933 if the variable referenced by the ASSERT_EXPR has a range and
4934 either the tentative result range or the previous range is a
4937 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4939 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4941 2006-01-19 Jan Hubicka <jh@suse.cz>
4943 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4945 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4947 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4948 (expand_compound_operation, expand_field_assignment): Fail if the
4949 bit lengths of an extract operation are out of range.
4950 (make_extraction): Compute wanted_inner_mode based on the position
4951 and length of the extraction. Make it extraction_mode for non-constant
4952 positions, and do not modify offset in that case. When generating a
4953 new MEM, use a mode that can hold the extraction while keeping correct
4954 alignment. Remove code that supported MEMs wrapped by USEs.
4955 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4957 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4959 * config/s390/s390.md ("Y", "y"): New mode attribute.
4960 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4961 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4962 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4963 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4964 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4965 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4966 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4967 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4968 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4969 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4970 "addsi3", "subsi3"): Insn patterns removed.
4971 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4972 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4973 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4974 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4975 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4976 "*sub<mode>3_cconly2"): New insn patterns.
4977 ("addsi3", "subsi3"): New expanders.
4979 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4981 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4982 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4983 existing STMT_VINFO_VECTYPE if available.
4984 (vect_mark_relevant): Add special handling for stmts that are
4985 marked as STMT_VINFO_IN_PATTERN_P.
4986 (vect_analyze_loop): Call vect_pattern_recog.
4987 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4988 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4990 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4991 (vect_recog_func_ptr): New function-pointer type.
4992 * tree-vect-patterns.c: New file.
4993 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4994 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4995 (vect_pattern_recog_1): New functions.
4996 (vect_pattern_recog_funcs): New array of function pointers.
4998 * tree-vectorizer.h (ternary_op): New enum value.
4999 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5000 declaration. Revised documentation. Removed redundant dump prints.
5001 Removed redundant argument. Added support for reduction patterns.
5002 (vectorizable_reduction): Added support for reduction patterns.
5003 (vect_transform_stmt): Added support for patterns.
5005 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5006 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5007 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5008 (expand_widen_pattern_expr): New function.
5009 (init_optabs): Initialize new optabs udot_prod_optab,
5011 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5012 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5013 (expand_widen_pattern_expr): New function declaration.
5014 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5016 * tree-inline.c (estimate_num_insns_1): Added cases for new
5017 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5018 * tree-pretty-print.c (dump_generic_node): Likewise.
5019 (op_prio): Likewise.
5020 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5021 * tree-ssa-operands.c (get_expr_operands): Added case for
5023 * tree-vect-patterns.c (widened_name_p): New function.
5024 (vect_recog_dot_prod_pattern): Added function implementation.
5025 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5026 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5027 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5028 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5030 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5031 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5032 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5033 (init_optabs): Initialize new optabs widen_ssum_optab,
5035 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5036 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5037 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5038 use instead of type of def.
5039 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5040 function implementation.
5041 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5042 widen_ssumv8hi): New.
5044 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5047 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5050 * c-decl.c (add_flexible_array_elts_to_size): New function.
5051 (finish_decl): Use it.
5053 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5055 * diagnostic.h: Include options.h.
5056 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5057 dependancies for diagnostic.h.
5058 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5060 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5062 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5063 (ssa_ro_call_cache_valid): Ditto.
5064 * tree-ssa-alias.c (sort_tags_by_id): New function.
5065 (init_transitive_clobber_worklist): Ditto.
5066 (add_to_worklist): Ditto.
5067 (mark_aliases_call_clobbered): Ditto.
5068 (compute_tag_properties): Ditto.
5069 (set_initial_properties): Ditto.
5070 (compute_call_clobbered): Ditto.
5071 (compute_may_aliases): Call compute_call_clobbered and grouping.
5072 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5073 (compute_flow_insensitive_aliasing): Grouping now happens in our
5075 (setup_pointers_and_addressables): Remove clobbering related code.
5076 (add_may_alias): Ditto.
5077 (replace_may_alias): Ditto.
5078 (get_nmt_for): Ditto.
5079 (create_global_var):
5080 (is_escape_site): Return an escape_type enumeration.
5081 * tree-flow-inline.h (is_call_clobbered): Global var does not
5082 imply call clobbered.
5083 (mark_call_clobbered): Take a reason for marking this. Remove
5084 marking of globalness, and cache invalidation.
5085 (clear_call_clobbered): Remove cache invalidation code.
5086 * tree-dfa.c (dump_variable): If details is on, dump the reason
5088 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5090 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5091 (struct var_ann_d): Ditto.
5092 (enum escape_type): New.
5093 (mark_call_clobbered): Adjust prototype.
5094 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5095 are never call clobbered.
5096 Record reasons for escaping.
5097 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5098 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5099 (ssa_ro_call_cache_valid): Ditto.
5100 (clobbered_v_may_defs): Ditto.
5101 (clobbered_vuses): Ditto.
5102 (ro_call_vuses): Ditto.
5103 (clobber_stats): New.
5104 (init_ssa_operands): Zero out clobber stats.
5105 (fini_ssa_operands): Print out clobber stats.
5106 (get_call_expr_operands): Pass callee fndecl to
5108 (add_call_clobber_ops): Remove use of cache.
5109 Add use of PURE_CONST information.
5110 (add_call_read_ops): Remove use of cache.
5111 Add use of static not_read information.
5113 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5115 Introduce TLS descriptors for i386 and x86_64.
5116 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5117 (TARGET_ANY_GNU_TLS): New macro.
5118 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5119 (struct machine_function): Add tls_descriptor_call_expanded_p.
5120 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5121 (ix86_current_function_calls_tls_descriptor): Likewise.
5122 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5123 (override_options): Introduce gnu2 tls dialect.
5124 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5126 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5128 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5129 (ix86_init_machine_status): Initialize new field.
5130 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5131 (ix86_tls_module_base): New.
5132 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5133 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5134 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5135 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5136 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5137 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5138 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5139 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5140 * config/i386/predicates.md (tls_modbase_operand): New.
5141 (tp_or_register_operand): New.
5143 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5145 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5146 (look_for_address_of): Ditto.
5147 (ipa_init): Walk the function decls.
5148 (static_execute): Don't set readonly on FUNCTION_DECL's.
5150 2006-01-18 Roger Sayle <roger@eyesopen.com>
5152 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5153 for shifts where the source and destination registers are different.
5155 2006-01-18 Paul Brook <paul@codesourcery.com>
5157 Merge from csl-arm-branch.
5158 2005-03-14 Julian Brown <julian@codesourcery.com>
5159 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5160 (aeabi_llsl): Likewise.
5161 (ashrdi3): Likewise.
5162 (aeabi_lasr): Likewise.
5163 (lshrdi3): Likewise.
5164 (aeabi_llsr): Likewise.
5165 2005-03-10 Julian Brown <julian@codesourcery.com>
5166 * config.gcc: Disable shared libgcc for SymbianOS.
5167 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5169 2006-01-18 DJ Delorie <dj@redhat.com>
5171 * c-pragma.c (handle_pragma_diagnostic): New.
5172 (init_pragma): Register it.
5173 * doc/extend.texi: Document it.
5175 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5176 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5177 (diagnostic_context): Add classify_diagnostic[].
5178 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5179 as errors if they're overridden to DK_WARNING.
5180 (diagnostic_initialize): Initialize classify_diagnostic[].
5181 (diagnostic_set_kind_override): New.
5182 (diagnostic_report_diagnostic): Check for kind changes.
5183 * opts.c (common_handle_option): Take lang_mask. Update callers.
5185 * common.opt (Werror=): New.
5186 * doc/invoke.texi: Document -Werror=*
5188 2006-01-18 Jeff Law <law@redhat.com>
5190 * tree-vrp.c (test_for_singularity): Correct test for new
5191 min limit. Use operand_equal_p rather than pointer equality
5192 for testing if new min/max values are equal.
5194 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5195 using range information until after propagation and folding.
5197 2006-01-18 Richard Henderson <rth@redhat.com>
5198 Aldy Hernandez <aldyh@redhat.com>
5199 Jakub Jelinek <jakub@redhat.com>
5200 Diego Novillo <dnovillo@redhat.com>
5202 * omp-low.c: New file.
5203 * c-omp.c: New file.
5205 2006-01-18 Richard Henderson <rth@redhat.com>
5206 Jakub Jelinek <jakub@redhat.com>
5207 Diego Novillo <dnovillo@redhat.com>
5209 * doc/invoke.texi: Document -fopenmp.
5210 * tree-dump.h (debug_function): Declare.
5211 * hooks.c (hook_bool_tree_bool_false): New function.
5212 (hook_tree_tree_null): Remove.
5213 (hook_tree_tree_tree_null): New.
5214 * hooks.h: Update to match.
5215 * tree-pretty-print.c (debug_tree_chain): New.
5216 (print_generic_expr): Handle TDF_CHAIN.
5217 (dump_generic_node): Handle BLOCK.
5218 Do not abort with incomplete SWITCH_EXPRs.
5219 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5220 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5221 print space after directive name.
5222 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5223 Handle OMP_MASTER and OMP_ORDERED.
5224 Handle printing of OMP_BODY just in one place, goto
5225 dump_omp_body in the rest of OMP_* nodes that have
5227 Don't handle clause nodes here. Update omp statements to
5228 use dump_omp_clauses.
5229 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5230 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5231 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5232 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5233 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5234 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5235 Adjust output for GOMP_PARALLEL.
5236 (dump_omp_clauses): New.
5237 (print_declaration): Dump DECL_VALUE_EXPR.
5238 (op_symbol_1): Split out of op_symbol.
5239 (dumping_stmts): Remove. Update all users.
5240 * cgraph.c (cgraph_analyze_queue): New.
5241 (cgraph_add_new_function): New.
5242 * cgraph.h (cgraph_analyze_queue): Declare.
5243 (cgraph_add_new_function): Declare.
5244 (cgraph_lower_function): Remove.
5245 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5246 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5247 and TYPE_P nodes in its default clause.
5248 (empty_body_p): New.
5249 (tree_range_check_failed): New.
5251 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5252 OMP_CLAUSE_REDUCTION_MERGE,
5253 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5254 OMP_CLAUSE_PRIVATE_DEBUG,
5255 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5256 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5257 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5258 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5259 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5260 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5261 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5262 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5263 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5264 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5265 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5266 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5267 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5268 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5269 (TREE_RANGE_CHECK): New.
5270 (empty_body_p): Declare.
5271 (enum omp_clause_default_kind): New.
5272 (build_string_literal): Declare.
5273 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5274 (build5_stat, build5): Declare.
5275 * tree-pass.h (TDF_CHAIN): Define.
5276 * tree-pass.h (PROP_gimple_lomp): Define.
5277 (pass_lower_omp): Declare.
5278 * diagnostic.h (debug_tree_chain): Declare.
5279 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5281 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5282 * builtins.c (build_string_literal): Make extern.
5283 * gcc.c (include_spec_function): New.
5284 (static_spec_functions): Add it.
5285 (main): Move load of libgomp.spec ...
5286 (LINK_COMMAND_SPEC): ... here.
5287 (link_gomp_spec): New.
5288 (static_specs): Include it.
5289 (LINK_COMMAND_SPEC): Add link_gomp.
5290 (GOMP_SELF_SPECS): New.
5291 (driver_self_specs): Include it.
5292 (switch_matches): Don't mark inline.
5293 (main): Load libgomp.spec.
5294 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5295 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5296 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5297 * tree-gimple.h (enum omp_parallel): Declare.
5298 (determine_parallel_type): Declare.
5299 (omp_firstprivatize_variable): Declare.
5300 (omp_reduction_init): Declare.
5301 (diagnose_omp_structured_block_errors): Declare.
5302 (struct walk_stmt_info): Add want_return_expr.
5303 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5304 (find_omp_clause): Declare.
5305 (insert_field_into_struct): Declare.
5306 (struct walk_stmt_info): Move from tree-nested.c
5307 (walk_stmts): Declare.
5308 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5310 * cgraphunit.c (cgraph_lower_function): Make static.
5311 (cgraph_finalize_pending_functions): New.
5312 (cgraph_finalize_function): Call it.
5313 (cgraph_finalize_compilation_unit): Likewise.
5314 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5315 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5316 (BT_FN_UINT_UINT): New.
5317 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5318 DEF_FUNCTION_TYPE_VAR_4): Document.
5319 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5320 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5321 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5322 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5323 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5324 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5325 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5326 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5327 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5328 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5329 into separate files.
5330 (DEF_GOMP_BUILTIN): New.
5331 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5332 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5333 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5334 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5335 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5336 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5337 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5338 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5339 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5340 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5341 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5342 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5343 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5344 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5345 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5346 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5347 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5348 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5349 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5350 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5351 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5352 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5353 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5354 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5355 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5356 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5357 * sync-builtins.def: New file, moved from builtins.def.
5358 * omp-builtins.def: New file, moved from builtins.def.
5359 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5360 * gimple-low.c (lower_function_body): Clear data.
5361 (lower_stmt): Do not handle COMPOUND_EXPR.
5362 Remove call to print_node_brief.
5363 * c-tree.h (c_finish_omp_clauses): New prototype.
5364 (C_DECL_THREADPRIVATE_P): Define.
5365 (lookup_name_no_remap, c_omp_remap_private): Remove
5366 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5367 (check_for_loop_decls): Update decl.
5368 (lookup_name_no_remap, c_omp_remap_private): Declare.
5369 (build_indirect_ref, build_modify_expr, pushdecl,
5370 pushdecl_top_level): Move to c-common.h.
5371 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5372 before the switch, but just in the 2 places that need it.
5373 * c-decl.c (diagnose_mismatched_decls): Do not check for
5374 mismatched thread-local attributes when OLDDECL is marked
5375 threadprivate and NEWDECL has no thread-local attributes.
5376 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5377 (c_gimple_diagnostics_recursively): Rename from
5378 c_warn_unused_result_recursively. Invoke
5379 diagnose_omp_structured_block_errors.
5380 (check_for_loop_decls): Return a singular decl found.
5381 * langhooks.c (lhd_omp_predetermined_sharing): Return
5382 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5383 (lhd_omp_firstprivatize_type_sizes): New.
5384 (lhd_omp_assignment): New.
5385 (lhd_omp_predetermined_sharing): New.
5386 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5387 (struct lang_hooks_for_types): Add
5388 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5389 omp_predetermined_sharing, omp_disregard_value_expr,
5390 omp_private_debug_clause, omp_clause_default_ctor,
5391 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5392 (c_finish_omp_clauses): New.
5393 (c_finish_bc_stmt): Diagnose break within omp for.
5394 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5395 (build_unary_op): Return error_mark after reporting
5397 (build_modify_expr): Likewise.
5398 * gimplify.c: Include optabs.h and pointer-set.h.
5399 (enum gimplify_omp_var_data): Declare.
5400 (struct gimplify_omp_ctx): Declare.
5401 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5403 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5404 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5405 (splay_tree_compare_decl_uid): New.
5406 (new_omp_context): New.
5407 (delete_omp_context): New.
5408 (gimple_add_tmp_var): Call omp_add_variable.
5409 (gimplify_bind_expr): Likewise.
5410 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5411 true, disregard DECL_VALUE_EXPR on the decl if any.
5412 (gimplify_expr_in_ctx): New.
5413 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5414 omp_add_variable, omp_notice_variable, omp_is_private
5415 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5416 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5417 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5418 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5419 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5420 gimplify_omp_atomic): New.
5421 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5422 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5423 OMP_CRITICAL and OMP_ATOMIC.
5424 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5425 * c-pragma.h (enum pragma_kind): Add
5426 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5427 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5428 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5429 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5430 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5431 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5432 PRAGMA_OMP_THREADPRIVATE.
5433 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5434 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5435 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5436 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5437 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5438 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5439 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5440 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5441 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5442 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5443 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5444 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5445 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5447 (struct nesting_info): Add field_map,
5448 suppress_expansion, debug_var_chain.
5449 (create_nesting_tree): Initialize them.
5450 (lookup_field_for_decl): Use field_map.
5451 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5452 (convert_local_omp_clauses): New.
5453 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5454 (walk_body): Split out of walk_function.
5455 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5456 (convert_nonlocal_reference): Handle omp statements.
5457 (convert_local_reference): Likewise.
5458 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5459 (unnest_nesting_tree): New.
5460 (lower_nested_functions): Call it.
5461 (insert_field_into_struct): Make extern.
5462 (struct walk_stmt_info): Move to tree-gimple.h.
5463 (walk_stmts): Make extern.
5464 * omp-builtins.def: New file.
5465 * tree-iterator.c (expr_only): Clarify comment.
5466 * c-common.h (pushdecl_top_level, pushdecl,
5467 build_modify_expr, build_indirect_ref,
5468 c_finish_omp_master, c_finish_omp_critical,
5469 c_finish_omp_ordered, c_finish_omp_barrier,
5470 c_finish_omp_atomic, c_finish_omp_flush,
5471 c_finish_omp_for, c_split_parallel_clauses,
5472 omp_clause_default_kind, c_omp_sharing_predetermined,
5473 c_omp_remap_decl): Declare.
5474 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5475 (OBJS-common): Add omp-low.o.
5476 (c-omp.o, omp-low.o): Add.
5477 (gimplify.o): Add dependency on $(OPTABS_H).
5478 (GTFILES): Add omp-low.c.
5479 (gt-stringpool.h): Add.
5480 * tree-cfg.c (set_bb_for_stmt): Do not update the
5481 block-to-labels map if we are currently expanding to RTL.
5482 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5484 Handle IDENTIFIER_NODE.
5485 (tree_verify_flow_info): Do not ICE when emitting error
5486 messages about invalid labels.
5487 (dump_function_to_file): Reset CFUN before emitting the body
5489 (debug_function): New.
5490 * passes.c (init_optimization_passes): Schedule
5492 * langhooks-def.h (lhd_omp_predetermined_sharing,
5493 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5495 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5496 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5497 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5498 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5499 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5500 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5501 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5502 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5503 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5504 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5505 (LANG_HOOK_DECLS): Use them.
5507 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5508 Richard Henderson <rth@redhat.com>
5509 Jakub Jelinek <jakub@redhat.com>
5510 Diego Novillo <dnovillo@redhat.com>
5512 * c-parser.c (pragma_omp_clause): Define.
5513 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5514 (c_parser_compound_statement): Likewise.
5515 (c_parser_statement): Likewise.
5516 (c_parser_pragma): Handle omp pragmas.
5517 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5518 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5519 (c_parser_omp_clause_name, check_no_duplicate_clause,
5520 c_parser_omp_variable_list,
5521 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5522 c_parser_omp_clause_copyprivate,
5523 c_parser_omp_clause_default,
5524 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5525 c_parser_omp_clause_lastprivate,
5526 c_parser_omp_clause_nowait,
5527 c_parser_omp_clause_num_threads,
5528 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5529 c_parser_omp_clause_reduction,
5530 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5531 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5532 c_parser_omp_atomic, c_parser_omp_barrier,
5533 c_parser_omp_critical, c_parser_omp_flush,
5534 c_parser_omp_for_loop, c_parser_omp_for,
5535 c_parser_omp_master, c_parser_omp_ordered,
5536 c_parser_omp_sections_scope, c_parser_omp_sections,
5537 c_parser_omp_parallel, c_parser_omp_single,
5538 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5539 * c-pragma.c (init_pragma): Do omp pragma registration here.
5540 * c.opt (fopenmp): New flag.
5542 2006-01-18 Eric Christopher <echristo@apple.com>
5544 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5545 * config/darwin.h (GOMP_SELF_SPECS): Define.
5547 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5549 * rtl.h: Remove the prototype for reg_alloc.
5551 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5554 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5555 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5556 sjlj and dwarf2 exception handling.
5557 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5558 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5559 * pa/pa.c (function_value): Treat complex and vector types as
5561 (function_arg): Likewise. Only pass scalar floats in the floating
5562 point argument registers.
5563 * pa/t-slibgcc-dwarf-ver: New file.
5564 * pa/t-slibgcc-sjlj-ver: New file.
5565 * pa/t-slibgcc-elf-ver: Delete file.
5567 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5569 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5570 unlikely_test_section_p test.
5572 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5574 * mode-switching.c (optimize_mode_switching): Make it static.
5575 * basic-block.h: Remove the prototype for
5576 optimize_mode_switching.
5578 * modulo-sched.c (sms_schedule): Make it static.
5579 * rtl.h: Remove the prototype for sms_schedule.
5581 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5582 * rtl.h: Remove the prototype for gcse_after_reload_main.
5584 * reg-stack.c (reg_to_stack): Make it static.
5585 * rtl.h: Remove the prototype for reg_to_stack.
5587 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5589 * rtl.h: Remove the prototypes for regrename_optimize and
5590 copyprop_hardreg_forward.
5592 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5594 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5595 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5596 Test against the appropriate null constant for the mode.
5597 If 'fixup_overlap' is true, swap the operands if they overlap.
5598 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5599 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5600 alpha_split_tmode_pair and adjust for above change.
5601 * config/alpha/alpha.md (movtf_internal): Adjust call to
5602 alpha_split_tfmode_pair and rely on it to swap the operands.
5603 (movti_internal): New insn and post-reload splitter.
5604 (movti): New expander.
5606 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5608 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5611 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5613 * rtlanal.c (global_reg_mentioned_p_1,
5614 global_reg_mentioned_p): Remove.
5615 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5617 * flow.c (initialize_uninitialized_subregs): Make it static.
5618 * rtl.h: Remove the prototype for
5619 initialize_uninitialized_subregs.
5621 * function.c (instantiate_virtual_regs): Make it static.
5622 * function.h: Remove the prototype for
5623 instantiate_virtual_regs.
5625 * regmove.c (regmove_optimize, combine_stack_adjustments):
5627 * rtl.h: Remove the prototypes for regmove_optimize and
5628 combine_stack_adjustments.
5630 2006-01-17 Roger Sayle <roger@eyesopen.com>
5632 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5633 (size_cost): Encode costs in bytes so that a reg-reg addition is
5634 equivalent to COSTS_N_INSNS(1).
5635 (override_options): Use the size_cost.branch_cost as the default
5636 ix86_branch_cost when optimizing for size.
5638 2006-01-18 Ben Elliston <bje@au.ibm.com>
5640 * Makefile.in (D32PBIT_FUNCS): New.
5641 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5642 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5643 D64PBIT_FUNCS and D128PBIT_FUNCS.
5644 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5645 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5647 (decnumber_dep): Define.
5648 * doc/libgcc.texi (Decimal float library routines): New node.
5649 * config/dfp-bit.h, config/dfp-bit.c: New files.
5651 2006-01-18 Ben Elliston <bje@au.ibm.com>
5653 * expr.c (emit_move_change_mode): Always adjust addresses, not
5654 just during reload. Copy replacements only during reload.
5655 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5656 emit_move_via_integer.
5658 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5660 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5661 instead of $(srcdir) and ${srcdir}.
5663 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5667 * arm.h (struct machine_function): Add pic_reg.
5668 * arm.c (arm_pic_register): Make unsigned.
5669 (arm_override_options): Only set arm_pic_register if
5670 TARGET_SINGLE_PIC_BASE.
5671 (use_return_insn): Only test for a pic register if it is fixed.
5672 (arm_compute_save_reg0_reg12_mask): Likewise.
5673 (thumb_compute_save_reg_mask): Likewise.
5674 (legitimate_pic_operand): Factor out some known invariants.
5675 (legitimize_pic_address): If we don't have a fixed pic register,
5676 then set up a pseudo in the function entry sequence. Handle the
5677 pic base being in a pseudo.
5678 (arm_load_pic_register): Handle the pic register being in a pseudo.
5679 (arm_expand_prologue): Only set up the pic register if it is fixed.
5680 (thumb_expand_prologue): Likewise.
5681 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5682 (pic_load_addr_based_insn): Likewise.
5683 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5686 2006-01-18 Ben Elliston <bje@au.ibm.com>
5688 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5689 decimal float modes for all floating point registers.
5691 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5692 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5694 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5697 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5698 even when the pointer is not NULL.
5700 2006-01-16 Ian Lance Taylor <ian@airs.com>
5702 * common.opt (ftoplevel-reorder): New option.
5703 * cgraph.c (cgraph_asm_nodes): New global variable.
5704 (cgraph_asm_last_node): New static variable.
5705 (cgraph_order): New global variable.
5706 (cgraph_create_node): Set new order field.
5707 (cgraph_varpool_node): Likewise.
5708 (decide_is_variable_needed): Return true if not
5709 flag_toplevel_reorder.
5710 (cgraph_add_asm_node): New function.
5711 * cgraph.h (struct cgraph_node): Add order field.
5712 (struct cgraph_varpool_node): Add order field.
5713 (struct cgraph_asm_node): Define.
5714 (cgraph_asm_nodes, cgraph_order): Declare.
5715 (cgraph_add_asm_node): Declare.
5716 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5718 (cgraph_varpool_assemble_pending_decls): Call it.
5719 (cgraph_output_pending_asms): New static function.
5720 (cgraph_finalize_compilation_unit): Call it.
5721 (struct cgraph_order_sort): Define.
5722 (cgraph_output_in_order): New static function.
5723 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5724 !flag_toplevel_reorder case.
5725 * c-parser.c: Include "cgraph.h".
5726 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5728 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5729 than -fno-unit-at-a-time.
5730 * doc/invoke.texi (Option Summary): Mention
5731 -fno-toplevel-reorder.
5732 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5733 -funit-at-a-time documentation.
5735 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5736 Kazu Hirata <kazu@codesourcery.com>
5738 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5740 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5742 * Makefile.in (FUNCTION_H): New. Use it instead of
5743 function.h throughout the file.
5744 * function.h: Include tree.h.
5746 2006-01-17 Ben Elliston <bje@au.ibm.com>
5748 * recog.c: Separate some functions with whitespace.
5750 2006-01-16 Richard Henderson <rth@redhat.com>
5752 Merge from gomp branch:
5753 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5754 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5755 and rename from struct inline_data. Rename callee* to dst*;
5756 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5757 transform_new_cfg, transform_return_to_modify, and
5758 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5760 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5761 (copy_decl_for_dup): Remove.
5762 * tree-inline.c (struct inline_data): Move to header.
5763 (insert_decl_map): Export.
5764 (remap_decl): Update for member name changes. Use copy_decl hook.
5765 Allow for replacement to be a non-decl. Remove dead code.
5766 (remap_type_1): Check for existing mapping.
5767 (remap_type): Export.
5768 (remap_decls): Update for member name changes.
5769 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5770 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5771 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5772 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5773 (tree_function_versioning, build_duplicate_type): Likewise.
5774 (copy_body_r): Likewise. Export.
5775 (copy_decl_for_dup): Split into ...
5776 (copy_decl_for_dup_finish, copy_decl_to_var,
5777 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5778 (replace_ref_tree, inlining_p): Remove.
5780 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5782 * ifcvt.c (if_convert): Make it static.
5783 * rtl.h: Remove the prototype for if_convert.
5785 * local-alloc.c (local_alloc): Make it static.
5786 * rtl.h: Remove the prototype for local_alloc.
5788 * loop.c (loop_optimize): Make it static.
5789 * cfgloop.h: Remove the prototype for loop_optimize.
5792 2006-01-16 DJ Delorie <dj@redhat.com>
5794 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5797 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5799 * pa.md: Disparage copies between general and floating-point registers
5800 in 32-bit move patterns.
5802 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5805 * Makefile.in (check-%): Depend on site.exp instead of
5806 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5809 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5811 * global.c (global_alloc): Make it static.
5812 * rtl.h: Remove the prototype for global_alloc.
5814 2006-01-16 Richard Guenther <rguenther@suse.de>
5816 * tree-ssa-alias.c (struct used_part): Add write_only field.
5817 (get_or_create_used_part_for): Initialize it to true.
5818 (create_overlap_variables_for): Don't create structure variables
5819 for structures that only are written to.
5820 (find_used_portions): Handle MODIFY_EXPR to track whether a
5821 structure is only written to.
5823 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5825 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5827 * basic-block.h: Remove the prototype for
5828 partition_hot_cold_basic_blocks.
5830 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5832 * cppspec.c (lang_specific_spec_functions): Remove.
5833 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5834 * gcc.h (lang_specific_spec_functions): Remove.
5835 * gccspec.c (lang_specific_spec_functions): Remove.
5837 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5839 * combine.c (record_value_for_reg): Invalidate registers
5841 (record_dead_and_set_regs_1): Likewise, by passing them to
5842 record_value_for_reg.
5843 (record_dead_and_set_regs): Invalidate stores made by a
5844 call. We do not combine across a call, but we still
5845 relied on equivalences.
5847 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5849 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5850 vrp_int_const_binop returning non-constant nodes.
5852 2006-01-16 Paul Brook <paul@codesourcery.com>
5854 * config/m68k/m68k.c (output_move_const_into_data_reg):
5855 Output correct mnemonic for mvz and mvs.
5857 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5859 * rtl-factoring.c: Add sequence abstraction algorithm.
5860 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5861 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5863 (block_has_preserve_label): New function.
5864 * common.opt: Register new pass.
5865 * Makefile.in: Ditto.
5867 * timevar.def: Ditto.
5868 * tree-pass.h: Ditto.
5869 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5870 * rtl.h (make_jump_insn_raw): Add forward decl.
5871 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5873 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5874 Roger Sayle <roger@eyesopen.com>
5876 * fold-const.c (fold_minmax): New static function.
5877 (fold_binary) <MIN_EXPR>: Call it.
5878 <MAX_EXPR>: Likewise.
5879 * stor-layout.c (place_field): Use DECL_SIZE consistently
5880 in the computation of the new record size.
5882 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5884 * cse.c (cse_condition_code_reg): Make it static.
5885 * rtl.h: Remove the prototype for cse_condition_code_reg.
5887 * combine.c (combine_instructions): Make it static.
5888 * rtl.h: Remove the prototype for combine_instructions.
5890 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5893 * tree.c (get_file_function_name_long): Concatenate the first global
5894 object name with a string derived from the input filename of the object
5897 2006-01-16 Ben Elliston <bje@au.ibm.com>
5899 * config/i386/winnt-stubs.c: Update FSF address.
5900 * config/xtensa/ieee754-df.S: Ditto.
5901 * config/xtensa/ieee754-sf.S: Ditto.
5903 2006-01-14 Ian Lance Taylor <ian@airs.com>
5905 * ifcvt.c (noce_init_if_info): New static function, broken out of
5906 noce_process_if_block.
5907 (noce_process_if_block): Call noce_init_if_info.
5908 (check_cond_move_block): New static function.
5909 (cond_move_process_if_block): New static function.
5910 (process_if_block): Call cond_move_process_if_block.
5912 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5914 * cselib.c (hash_table): Rename to cselib_hash_table.
5915 (cselib_clear_table, discard_useless_values,
5916 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5917 cselib_init, cselib_finish): Adjust uses of hash_table.
5919 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5921 PR tree-optimization/25485
5922 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5923 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5924 is known to be false and true, respectively.
5926 2006-01-14 Richard Guenther <rguenther@suse.de>
5928 PR tree-optimization/22548
5929 PR tree-optimization/22555
5930 PR tree-optimization/22501
5931 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5932 * params.def (salias-max-array-elements): New parameter.
5933 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5934 * doc/invoke.texi (salias-max-array-elements): Document.
5935 * tree-flow-inline.h (var_can_have_subvars): We also handle
5937 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5939 * tree-ssa-structalias.c (params.h): Include.
5940 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5941 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5942 (get_constraint_for): For ADDR_EXPR operating on something
5943 containing an ARRAY_REF, add all subvars to the solution.
5944 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5945 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5946 for creating MUST_DEFs.
5947 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5949 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5951 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5953 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5954 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5955 number_of_iterations_le): New functions.
5956 (number_of_iterations_special): Removed.
5957 (number_of_iterations_exit): Do not use number_of_iterations_special.
5958 * tree.c (unsigned_type_for): Always return integer type.
5960 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5961 Richard Guenther <rguenther@suse.de>
5963 PR rtl-optimization/24257
5964 * gcse.c (find_moveable_store): Only consider a store movable
5965 when the SET_SRC of the insn can be assigned to a register.
5967 2006-01-14 Ian Lance Taylor <ian@airs.com>
5969 * tree.c (tree_not_class_check_failed): New function.
5970 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5971 (tree_not_class_check_failed): Declare.
5973 2006-01-13 Ian Lance Taylor <ian@airs.com>
5975 * reload1.c (do_output_reload): Add assertion rejecting a
5978 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5980 * combine.c (struct reg_stat): Add new fields truncation_label and
5982 (record_value_for_reg): Reset truncated_to_mode.
5983 (record_truncated_value): New function.
5984 (check_promoted_subreg): Call it. Rename to check_conversions.
5985 (combine_instructions): Rename check_promoted_subreg to
5987 (reg_truncated_to_mode): New function.
5988 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5989 (gen_lowpart_or_truncate): New function.
5990 (force_to_mode): Use it instead of gen_lowpart.
5992 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5994 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5995 VAR is a tag, not its type tag.
5997 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5999 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6000 alternatives to match style of other entries.
6001 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6003 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6005 PR tree-optimization/25771
6006 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6009 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6012 * tree-inline.c (declare_return_variable): If the return variable
6013 was marked as a non gimple complex, set the return slot variable
6014 to be a non gimple comple variable.
6016 2006-01-13 Richard Guenther <rguenther@suse.de>
6018 * builtins.c (expand_builtin_sincos): New function.
6019 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6021 (expand_builtin): Expand sincos using expand_builtin_sincos.
6023 2006-01-12 DJ Delorie <dj@redhat.com>
6025 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6026 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6027 so that constant shifts can be split.
6028 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6029 (m32c_valid_pointer_mode): Make static.
6030 (shift_gen_func_for): New.
6031 (m32c_prepare_shift): Use it. Split large const shifts into
6033 * config/m32c/predicates.md (shiftcount_operand): Allow more
6035 (longshiftcount_operand): New.
6036 * doc/md.texi (Machine Constraints): Document In6.
6038 2006-01-13 Ben Elliston <bje@au.ibm.com>
6040 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6041 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6044 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6046 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6047 to try to avoid clobbering pieces of structures when we know
6048 something about the whole structure.
6049 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6051 2006-01-13 Ben Elliston <bje@au.ibm.com>
6053 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6054 return in memory, as this is no limitation is no longer present.
6056 2006-01-12 DJ Delorie <dj@redhat.com>
6058 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6059 mova with fb, and for fb+0 -> An.
6061 * config/m32c/mov.md (peephole2): Fix enabling logic.
6063 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6064 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6065 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6066 FINI_ARRAY_SECTION_ASM_OP): Define.
6068 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6070 (m32c_legitimize_reload_address): New logic to reload FB to An.
6071 (m32c_output_reg_push): Add newline.
6072 (m32c_output_reg_pop): Likewise.
6074 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6076 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6078 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6080 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6082 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6084 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6087 2006-01-11 Ben Elliston <bje@au.ibm.com>
6089 * rtlanal.c (find_reg_note): Assert insn is not null.
6091 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6093 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6096 2006-01-11 Jeff Law <law@redhat.com>
6098 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6100 (mark_threaded_blocks, register_jump_thread): New functions.
6101 (thread_through_all_blocks): Remove unwanted argument. No
6102 longer rely on e->aux to communicate thread target info.
6103 Call mark_threaded_blocks. Release the threaded_blocks
6104 bitmap and threaded_edges vector when complete.
6105 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6106 (threaded_blocks): Remove.
6107 (tree_ssa_dominator_optimize): Remove initialization and
6108 finalization of threaded_blocks. Simplify call to
6109 thread_through_all_blocks.
6110 (thread_across_edge): Call register_jump_thread rather than
6111 storing thread information into e->aux.
6112 (free_all_edge_infos): Simplify now that e->aux is no longer
6113 used to communicate with thread_through_all_blocks.
6114 * tree-flow.h (thread_through_all_blocks): Update prototype.
6115 (register_jump_thread): Prototype.
6117 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6119 * df-core.c (df_compact_blocks, df_bb_replace): Use
6120 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6122 2006-01-11 Richard Guenther <rguenther@suse.de>
6124 PR tree-optimization/25734
6125 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6126 stop propagation after successful propagation to the LHS.
6128 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6130 * basic-block.h (control_flow_graph): Change the type of
6131 x_basic_block_info to VEC(basic_block,gc) *.
6132 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6134 (SET_BASIC_BLOCK): New.
6135 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6136 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6137 * cfgbuild.c (find_basic_blocks): Likewise.
6138 * cfglayout.c (fixup_reorder_chain): Likewise.
6139 * cfgrtl.c (create_basic_block_structure,
6140 rtl_create_basic_block): Likewise.
6141 * ifcvt.c (find_if_case_1): Likewise.
6142 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6145 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6147 * Makefile.in: Removed rotted odf.c entry.
6149 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6152 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6153 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6154 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6155 output pattern modifier, not %e.
6156 * config/cris/cris.c (cris_op_str): Update comment about pattern
6158 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6159 before falling through into...
6160 <case 'E'>: Redefined from old 'e' case.
6162 2006-01-11 Jan Hubicka <jh@suse.cz>
6165 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6167 2006-01-11 Jan Hubicka <jh@suse.cz>
6169 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6170 * i386.c (x86_decompose_lea): Kill.
6171 (ix86_rtx_costs): Kill.
6173 2006-01-11 Jan Hubicka <jh@suse.cz>
6175 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6176 * cgraph.h (cgraph_node): Add inline_decl.
6177 (cgraph_insert_node_to_hashtable): Declare.
6178 (save_inline_function_body): Declare.
6179 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6181 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6182 (cgraph_function_versioning): Update call of tree_function_versioning.
6183 (save_inline_function_body): New function.
6184 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6185 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6186 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6187 (cgraph_default_inline_p): Likewise.
6188 (cgraph_decide_inlining_incrementally): Likewise.
6189 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6190 (copy_bb): Kill saving; do updating of clones.
6191 (copy_cfg_body): Kill saving.
6192 (initialize_inlined-parameters): Likewise.
6193 (expand_call_inline): Likewise.
6195 (tree_function_versioning): New parameter "update_clones".
6196 (inlining_p): Kill saving.
6197 * tree-inline.h (tree_function_versioning): Update prototype.
6198 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6201 2006-01-11 Ian Lance Taylor <ian@airs.com>
6203 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6204 Allow undoing set of machine mode.
6205 (do_SUBST): Use enums instead of is_int.
6206 (do_SUBST_MODE): New function.
6207 (SUBST_MODE): New macro.
6208 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6209 reg and trying to replace reg_regno_rtx with a new register.
6210 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6211 (simplify_set): Use SUBST_MODE.
6212 (distribute_notes): Remove code that tried to update reg notes
6213 for regno_reg_rtx changes.
6215 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6217 PR tree-optimization/23109
6218 PR tree-optimization/23948
6219 PR tree-optimization/24123
6221 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6222 * tree-cfg.c (single_noncomplex_succ): New.
6223 * tree-flow.h (single_noncomplex_succ): Declare it.
6224 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6225 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6226 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6227 insert_bb, register_division_in, insert_reciprocals,
6228 replace_reciprocal, free_bb): New.
6229 (execute_cse_reciprocals_1): Rewritten.
6230 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6231 Do not commit any edge insertion. Always compute dominators and
6232 create the allocation pool.
6233 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6234 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6235 * targhooks.c (default_min_divistions_for_recip_mul): New.
6236 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6237 * passes.c (init_optimization_passes): Run recip after tree loop
6239 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6241 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6242 Kenneth Zadeck <zadeck@naturalbridge.com>
6244 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6245 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6246 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6247 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6248 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6249 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6250 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6251 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6252 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6253 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6254 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6255 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6256 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6257 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6258 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6259 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6260 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6261 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6262 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6263 DF_SCAN_POST_ALLOC): New macros.
6264 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6265 df_free_bb_function, df_local_compute_function, df_init_function,
6266 df_dataflow_function, df_confluence_function_0,
6267 df_confluence_function_n, df_transfer_function,
6268 df_finalizer_function, df_free_function, df_dump_problem_function,
6269 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6270 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6271 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6272 df_urec_bb_info, ) New types.
6273 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6275 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6276 df_analyze_simple_change_some_blocks,
6277 df_analyze_simple_change_one_block, df_compact_blocks,
6278 df_bb_replace, df_bb_regno_last_use_find,
6279 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6280 df_insn_regno_def_p, df_find_def, df_find_use,
6281 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6282 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6283 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6284 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6285 debug_df_chain, df_get_dependent_problem, df_chain_create,
6286 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6287 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6288 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6289 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6290 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6291 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6292 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6293 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6294 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6295 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6296 df_reorganize_refs, df_set_state, df_hard_reg_init,
6297 df_read_modify_subreg_p) New public functions.
6298 * df-core.c: The core dataflow solver and glue routines for rtl
6300 (df_init, df_add_problem, df_set_blocks, df_finish,
6301 df_hybrid_search_forward, df_hybrid_search_backward,
6302 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6303 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6304 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6305 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6306 df_reg_defined, df_find_use, df_reg_used, df_dump,
6307 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6308 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6309 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6310 debug_df_useno, reset_df_after_reload): New functions.
6311 * df-scan.c: The scanning fuctions, once in df.c, completely
6312 rewritten so that they now fully model the functionality of
6313 register usage at the backend.
6314 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6315 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6316 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6317 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6318 df_get_artificial_defs, df_get_artificial_uses,
6319 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6320 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6321 df_refs_delete, df_reorganize_refs, df_set_state,
6322 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6323 df_def_record_1, df_defs_record, df_uses_record,
6324 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6325 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6326 df_record_exit_block_uses, df_hard_reg_init): New functions.
6328 * df-problems.c: Seven concrete dataflow problems that use the
6329 scanning in df-scan.c and are solved by the engine in df-core.c.
6330 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6331 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6332 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6333 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6334 df_ru_free_bb_info, df_ru_alloc,
6335 df_ru_bb_local_compute_process_def,
6336 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6337 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6338 df_ru_transfer_function, df_ru_free, df_ru_dump,
6339 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6340 df_rd_free_bb_info, df_rd_alloc,
6341 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6342 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6343 df_rd_transfer_function, df_rd_free, df_rd_dump,
6344 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6345 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6346 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6347 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6348 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6349 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6350 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6351 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6352 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6353 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6354 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6355 df_urec_mark_reg_use_for_earlyclobber,
6356 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6357 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6358 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6359 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6360 df_chain_create_bb_process_use, df_chain_create_bb,
6361 df_chain_finalize, df_chain_free, df_chains_dump,
6362 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6363 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6364 df_reg_lifetime): New functions.
6365 * df.c: Deleted file.
6366 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6367 consistent with new df api.
6368 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6369 rest_of_handle_sms): Ditto.
6370 * web.c (unionfind_union, union_defs, entry_register, web_main):
6372 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6373 invariant_expr_equal_p, find_defs, check_dependencies,
6374 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6375 free_inv_motion_data, move_loop_invariants): Ditto.
6376 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6377 Update dependencies.
6378 (odf.c): Added defective entry that was deleted later in day.
6379 * sched-deps.c (sched_analyze_1): Ditto.
6381 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6383 * tree-ssa-operands.c (get_expr_operands): Record addressable
6384 variables directly. Do not call add_stmt_operands for CONST_DECLs
6386 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6387 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6389 2006-01-11 Ben Elliston <bje@au.ibm.com>
6391 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6392 function returns true in the positive case.
6394 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6397 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6398 for SI, DI, SF and DF modes. Add alternatives to copy between
6399 general and floating point registers to the 32-bit patterns.
6400 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6401 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6402 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6403 generating 64-bit code.
6404 * config/pa/pa.c (output_move_double): Handle copies between general
6405 and floating registers.
6407 2006-01-10 Stuart Hastings <stuart@apple.com>
6409 * config/i386/i386.md (set_got): Update.
6410 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6411 (builtin_setjmp_receiver): Mach-O support.
6412 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6413 (GOT_SYMBOL_NAME): Define.
6414 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6415 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6416 * config/i386/i386.c (override_options): Revise for Darwin.
6417 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6418 support. (darwin_x86_file_end): New. (output_set_got): Add label
6419 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6420 * config/i386/i386-protos.h (output_set_got): Likewise.
6421 * config/darwin.c (machopic_legitimize_pic_address): Update
6424 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6426 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6427 when MODE isn't BLKmode.
6429 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6431 PR rtl-optimization/25367
6432 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6434 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6437 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6438 for a negative bound.
6440 2006-01-10 Richard Guenther <rguenther@suse.de>
6442 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6443 Never override with anything constraint.
6445 2006-01-10 Jan Beulich <jbeulich@novell.com>
6447 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6448 256 bits when optimize_size.
6450 2006-01-10 Jan Beulich <jbeulich@novell.com>
6452 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6454 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6455 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6458 2006-01-10 Ben Elliston <bje@au.ibm.com>
6460 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6462 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6463 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6464 (USE_FP_FOR_ARG): Reject decimal float modes.
6465 (function_arg_advance): Likewise.
6466 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6467 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6468 point types in AltiVec vectors.
6469 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6470 (rs6000_libcall_value): Likewise.
6472 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6474 * config/xtensa/ieee754-df.S: New file.
6475 * config/xtensa/ieee754-sf.S: New file.
6476 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6477 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6478 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6480 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6482 * config/sh/predicates.md (binary_float_operator,
6483 binary_logical_operator, commutative_float_operator,
6484 equality_comparison_operator, greater_comparison_operator,
6485 less_comparison_operator, logical_operator,
6486 noncommutative_float_operator, shift_operator,
6487 symbol_ref_operand, unary_float_operator): Remove redundant
6490 2006-01-09 Jeff Law <law@redhat.com>
6492 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6493 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6494 now unused arguments. Callers updated.
6495 (eliminate_redundant_computations): Remove now unused arguments,
6497 (local_fold): Remove, no longer used.
6498 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6500 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6501 (simplify_cond): New function.
6502 (forward_propagate_into_cond): Call simplify_cond.
6504 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6506 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6507 (*vec_extractv2di_1_sse): New.
6509 2006-01-09 Ben Elliston <bje@au.ibm.com>
6511 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6513 2006-01-08 Richard Guenther <rguenther@suse.de>
6515 * tree-ssa-structalias.c (get_constraint_for): Remove
6517 (get_constraint_for_component_ref): Likewise.
6518 (do_deref): Likewise.
6519 (get_constraint_for): Likewise.
6520 (do_structure_copy): Likewise.
6521 (handle_ptr_arith): Likewise.
6522 (find_func_aliases): Likewise. Remove unused need_anyoffset
6525 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6526 Kaz Kojima <kkojima@gcc.gnu.org>
6528 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6529 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6530 (EXTRA_CONSTRAINT_C16): Remove.
6531 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6532 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6533 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6534 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6535 constants of SHmedia. Handle nested constant expressions of
6537 (andcosts): Fix the costs for SHmedia constants.
6538 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6539 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6540 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6541 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6542 (movv4hi_i, movv2si_i): Likewise.
6543 (movsi_const): Adjust the second operand of ior so to match with
6545 (movdi_const, movdi_const_32bit): Likewise.
6546 (movdi_const_16bit+1): Don't sign-extend LOW.
6547 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6549 (*double_shori): Fix the split condition. Use GEN_INT instead
6550 of get_int_mode calls. Mask lower 16-bit of the argument of
6552 (sym2GOTPLT): Remove.
6553 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6555 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6556 instead of EXTRA_CONSTRAINT_C16.
6558 2006-01-07 Ian Lance Taylor <ian@airs.com>
6559 David Edelsohn <edelsohn@gnu.org>
6561 PR rtl-optimization/25662
6562 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6563 for constant operands instead of simplify_gen_binary.
6564 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6565 after trying simplify_binary_operation
6567 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6569 * tree.c (iterative_hash_expr): Hash decls based on UID.
6571 2006-01-06 Eric Christopher <echristo@apple.com>
6573 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6574 (TARGET_UNWIND_EMIT): Fix spelling.
6575 * target.h (gcc_target): Add except_table_label.
6576 * except.c (output_function_exception_table): Use.
6577 * varasm.c (default_emit_except_table_label): New.
6578 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6580 (asm_out): Add here.
6581 * output.h (default_emit_except_table_label): Prototype.
6582 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6583 * config/darwin.c (darwin_emit_except_table_label): Define.
6584 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6586 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6588 PR tree-optimization/18527
6589 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6590 number_of_iterations_special, number_of_iterations_exit):
6591 Move base and step of an iv to a single structure. Add
6592 no_overflow flag, and use it in # of iterations analysis.
6593 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6594 folded_casts argument.
6595 (simple_iv): Pass base and step in a structure. Set no_overflow
6597 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6598 Evaluate expensiveness of computing # of iterations instead of
6599 the final expression.
6600 * tree-scalar-evolution.h (affine_iv): New structure.
6601 (simple_iv): Declaration changed.
6602 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6603 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6604 find_givs_in_stmt): Changed due to simple_iv change.
6606 2006-01-06 Jeff Law <law@redhat.com>
6609 * tree-cfg.c (bsi_replace): Rename final argument from
6610 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6611 change (stmt -> orig_stmt).
6612 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6613 (bsi_remove): Add new argument. Remove EH information
6615 (verify_eh_throw_table_statements): New function.
6616 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6618 * tree-optimize.c (execute_free_cfg_annotations): Verify
6619 the EH throw statement table after removing annotations.
6620 * except.h (verify_eh_throw_table_statements): Prototype.
6621 * tree-flow.h (bsi_remove): Update prototype.
6622 * tree-vrp.c (remove_range_assertions): Add new argument to
6624 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6625 * tree-complex.c (expand_complex_div_wide): Likewise.
6626 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6627 * tree-tailcall.c (eliminate_tailcall): Likewise.
6628 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6629 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6630 * tree-nrv.c (tree_nrv): Likewise.
6631 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6632 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6633 (combine_blocks): Likewise.
6634 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6635 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6636 (cleanup_control_flow): Likewise.
6637 (remove_forwarder_block): Likewise.
6638 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6639 * tree-sra.c (sra_replace): Likewise.
6640 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6641 (forward_propagate_single_use_vars): Likewise.
6642 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6643 * tree-inline.c (expand_call_inline): Likewise.
6644 * tree-vect-transform.c (vect_transform_loop): Likewise.
6645 * tree-outof-ssa.c (rewrite_trees): Likewise.
6646 * tree-cfg.c (make_goto_expr_edges): Likewise.
6647 (cleanup_dead_labels): Likewise.
6648 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6649 (bsi_move_before, bsi_move_after): Likewise.
6650 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6651 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6653 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6656 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6658 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6659 on non gimple variables. Also add checks at the top for decls and
6661 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6663 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6664 and IMAGPART_EXPR for creating MUST_DEFs.
6665 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6666 and NAME_MEMORY_TAG separately from the DECLs.
6668 2006-01-06 Richard Guenther <rguenther@suse.de>
6670 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6671 annotation, if necessary.
6672 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6673 redundant calls to update_stmt.
6674 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6677 2006-01-05 Richard Henderson <rth@redhat.com>
6679 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6681 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6683 * c-typeck.c: Update copyright date.
6685 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6687 * c-typeck.c (build_c_cast): Always warn when casting
6688 from a pointer to an integer of different size, even if
6689 the node was constant.
6691 2006-01-05 Richard Guenther <rguenther@suse.de>
6693 PR tree-optimization/22555
6694 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6695 if one structure field is an array.
6696 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6697 operands even if we found a subvar, but ignore VOPs in this
6699 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6701 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6703 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6706 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6708 2006-01-05 Richard Guenther <rguenther@suse.de>
6709 Diego Novillo <dnovillo@redhat.com>
6711 * tree-pass.h (TODO_remove_unused_locals): Define.
6712 * gimple-low.c (expand_var_p, remove_useless_vars,
6713 pass_remove_useless_vars): Remove. Update all users.
6714 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6715 (remove_unused_locals): New function.
6716 * tree-flow.h (remove_unused_locals): Declare.
6717 * passes.c (execute_todo): Call remove_unused_locals if
6718 TODO_remove_unused_locals is set.
6719 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6720 * tree-ssa-dce.c (pass_dce): Likewise.
6721 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6723 2006-01-05 Richard Guenther <rguenther@suse.de>
6725 * tree-flow.h (struct fieldoff): Decompose field to
6726 type, size and decl.
6727 * tree-ssa-alias.c (create_sft): Take type as parameter.
6728 (create_overlap_variables_for): Store type, size and decl
6729 in the fieldoff structure.
6730 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6732 (push_fields_onto_fieldstack): Likewise.
6733 (create_variable_info_for): Likewise. Use offset for the
6734 SFT name if the decl is not available.
6736 2006-01-04 Paul Brook <paul@codesourcery.com>
6738 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6740 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6742 * lambda-code.c (can_put_in_inner_loop): Relax
6744 (can_put_after_inner_loop): New function.
6745 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6746 (perfect_nestify): Change to make copies and modify uses.
6748 2006-01-04 Richard Henderson <rth@redhat.com>
6750 Merge from gomp branch:
6751 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6752 via integer constant.
6753 (pragma_lex): Remove.
6754 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6755 rather than parsing it.
6756 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6757 handle_pragma_extern_prefix): Add %< %> quotes.
6758 (registered_pragmas): New.
6759 (c_register_pragma_1): New.
6760 (c_register_pragma): Use it.
6761 (c_register_pragma_with_expansion): Likewise.
6762 (c_invoke_pragma_handler): New.
6763 (init_pragma): Use cpp_register_deferred_pragma directly for
6765 * c-pragma.h (enum pragma_kind): New.
6766 (pragma_handler): New.
6767 (c_invoke_pragma_handler): Declare.
6768 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6770 * c-common.h (c_common_pch_pragma): Update decl.
6771 * Makefile.in (c-parser.o): Update dependencies.
6772 (GTFILES): Add c-pragma.h.
6773 * c-parser.c (struct c_token): Add pragma_kind.
6774 (struct c_parser): Add in_pragma.
6775 (c_lex_one_token): Always initialize keyword and pragma_kind.
6776 Extract data for CPP_PRAGMA.
6777 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6778 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6779 Don't allow CPP_PRAGMA_EOL if in_pragma.
6780 (c_parser_consume_pragma): New.
6781 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6782 (c_parser_skip_to_end_of_parameter): Likewise.
6783 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6784 (c_parser_skip_to_pragma_eol): New.
6785 (c_parser_external_declaration): Handle CPP_PRAGMA.
6786 (c_parser_compound_statement_nostart): Likewise.
6787 (c_parser_statement_after_labels): Likewise.
6788 (c_parser_pragma): New.
6789 (pragma_lex): Likewise.
6790 (c_parser_pragma_pch_preprocess): New.
6791 (c_parser_new): Merge into ...
6792 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6794 2006-01-04 Jeff Law <law@redhat.com>
6797 * tree-cfg.c (bsi_replace): Remove the original statement
6798 from the EH throw statement table.
6800 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6802 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6803 make the prototype extern "C" and add throw ().
6806 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6807 and pos non-negative and pos + len <= 32.
6808 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6809 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6810 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6813 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6814 as well as sizes not multiple of component size.
6817 * function.c (instantiate_expr): New function.
6818 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6819 walk its DECL_VALUE_EXPR with instantiate_expr.
6821 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6822 DW_OP_deref{,_size} if address isn't going to be added.
6824 2006-01-04 Ben Elliston <bje@au.ibm.com>
6826 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6827 * config/fp-bit.c: Likewise.
6829 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6831 * dominance.c: Add comment about why we use DFS numbering
6834 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6835 Richard Henderson <rth@redhat.com>
6837 Merge from gomp-branch:
6838 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6839 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6841 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6843 PR rtl-optimization/25578
6844 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6845 pass a parameter to simplify_shift_const if changing ASHIFTRT
6848 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6850 * builtins.c (get_builtin_sync_mem): New function.
6851 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6852 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6853 Call get_builtin_sync_mem to generate mem rtx.
6855 2006-01-03 Richard Guenther <rguenther@suse.de>
6858 * stmt.c (add_case_node): Make sure to clear overflow flags
6861 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6863 Merge from gomp-branch.
6864 * config/sparc/sync.md: New file.
6865 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6866 UNSPECV_LDSTUB): New constants.
6867 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6868 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6869 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6872 2006-01-03 Roger Sayle <roger@eyesopen.com>
6874 * combine.c (reg_subword_p): New predicate to test whether the
6875 destination of a set refers to a subword/piece of a register.
6876 (try_combine): Generalize the code to merge the setting of a
6877 pseudo to a constant followed by a set of a subword of that
6878 register to a constant.
6880 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6882 * basic-block.h (control_flow_graph): Change the type of
6883 x_label_to_block_map to VEC(basic_block,gc) *.
6884 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6885 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6887 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6888 VEC(basic_block,heap) *.
6889 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6890 ssa_prop_fini): Adjust the uses of cfg_blocks.
6892 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6894 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6896 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6897 hashing trees instead of a pointer hash.
6898 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6899 compare for MEM_EXPR.
6901 PR rtl-optimization/25130
6902 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6903 when comparing MEMs for GCSE
6905 2006-01-03 Ben Elliston <bje@au.ibm.com>
6907 * targhooks.h (default_decimal_float_supported_p): Declare.
6908 * targhooks.c (default_decimal_float_supported_p): Define.
6909 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6910 `default_decimal_float_supported_p'.
6911 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6913 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6915 * combine.c (apply_distributive_law <SUBREG>): Check
6916 TRULY_NOOP_TRUNCATION.
6918 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6920 * dwarf2out.c (have_switched_text_section): Delete.
6921 (have_multiple_function_sections): New.
6922 (have_location_lists): Make 'bool'.
6923 (add_AT_loc_list): Use 'true' not '1'.
6924 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6925 (output_loc_list): Use have_multiple_function_sections.
6926 (output_ranges): Likewise.
6927 (dwarf2out_begin_function): Set have_multiple_function_sections if
6929 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6930 Check function_section rather than DECL_SECTION_NAME.
6931 (dwarf2out_finish): Use have_multiple_function_sections.
6932 Don't clear have_location_lists.
6934 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6935 Jan Hubicka <jh@suse.cz>
6937 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6938 case of conditional jump jumping to the next instruction.
6939 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6940 cases of conditional jump jumping to the next instruction.
6942 2006-01-02 Jan Hubicka <jh@suse.cz>
6944 * i386.c (*_cost): Add COSTS_N_INSNS.
6945 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6947 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6950 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6952 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6954 * config/arm/arm.c (all_fpus): Fix comment typo.
6955 * config/darwin.c: Likewise.
6956 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6957 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6958 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6960 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6962 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6963 (rs6000_split_compare_and_swapqhi): New.
6964 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6965 (sync_compare_and_swapqhi_internal): New.
6966 * config/rs6000/rs6000-protos.h: Declare.
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