1 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5 * stmt.c (expand_case): Likewise.
7 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9 PR rtl-optimization/26254
10 * loop-invariant.c (seq_insns_valid_p): New function.
11 (move_invariant_reg): Only emit new code if it is valid.
13 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
17 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
18 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
19 (commit_one_edge_insertion): Do not look for loop notes.
21 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
23 * jump.c (follow_jumps): Do not check for loop notes. Move check for
24 flag_test_coverage out of loop.
26 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
28 * final.c (shorten_branches): Remove outdated comment, and turn
29 the if branch that guards it to continue.
31 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
33 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
34 * cfgloop.h (struct loop): Remove unused fields.
36 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
38 * doc/invoke.texi (-fdump-rtl-loop): Remove.
39 (-dL, -fdump-rtl-loop2): Update the dump file names
41 * doc/invoke.texi: Update dump file names.
43 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
45 * predict.c (estimate_probability): Remove.
46 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
47 * basic-block.h (estimate_probability): Remove prototype.
48 * passes.c (finish_optimization_passes): Dump branch prediction or
49 profiling heuristics to the .profile tree dump.
50 (init_optimization_passes): Unqueue pass_branch_prob.
52 * doc/invoke.texi (-fdump-rtl-bp): Remove.
54 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
56 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
57 * rtl.h (LABEL_NEXTREF): Remove field accessor.
59 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
61 * function.h (frame_offset_overflow): Declare.
62 * function.c (frame_offset_overflow): New function.
63 (assign_stack_local_1): Call it to detect that the offset overflows.
64 * cfgexpand.c (alloc_stack_frame_space): Likewise.
66 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
68 * config/sh/sh.c: Include alloc-pool.h.
69 (label_ref_list_pool): New alloc pool.
70 (label_ref_list_t): New type for lists of labels.
71 (struct pool_node): Make wend a label_ref_list_t.
72 (add_constant): Use the new type, eradicate LABEL_NEXTREF
74 (dump_table): Likewise.
75 (sh_reorg): Set up the alloc pool before using add_constant and
76 dump_table, and destroy it when finishing.
78 2006-03-11 Richard Sandiford <richard@codesourcery.com>
80 * config/mips/mips.c: Remove redundant comment.
82 2006-03-10 Jason Merrill <jason@redhat.com>
85 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
86 the target was declared 'register'.
88 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
90 * genpreds.c (write_insn_constraint_len): Change definition of
91 insn_constraint_len to return size_t to match the declaration.
93 2006-03-10 DJ Delorie <dj@redhat.com>
95 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
97 (m32c_expand_insv): Fix test for an AND mask.
99 2006-03-10 Richard Guenther <rguenther@suse.de>
102 * builtins.c (get_pointer_alignment): Handle component
103 references for field alignment.
105 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
107 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
108 when building with libgloss.
109 (sh*elf): Implement --without-fp option.
110 (sh64-superh-linux*): Don't multilib.
112 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
114 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
116 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
118 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
119 Set it when one of the replacement functions returned true.
120 Return TODO_cleanup_cfg if cfgchanged is true.
121 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
123 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
125 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
126 instead of gen_lowpart.
128 2006-03-09 Richard Sandiford <richard@codesourcery.com>
130 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
132 (mips_output_order_conditional_branch): Declare.
133 * config/mips/mips.h (MIPS_BRANCH): New macro.
134 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
135 for the comparison. Use gen_condjump.
136 (mips_output_conditional_branch): Rework interface to take the
137 asm templates for a direct branch and the inverse of a direct branch.
138 (mips_output_order_conditional_branch): New function.
139 (mips_builtin_branch_and_move): New function.
140 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
141 branch condition. Use gen_single_cc as the condition for
142 __builtin_mips_upper_* or __builtin_mips_lower_*.
143 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
144 Use VOIDmode for the branch condition.
145 * config/mips/predicates.md (order_operator): New predicate.
146 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
147 (branch_fp): Rename to...
148 (*branch_fp): ...this. Remove mode from comparison operator.
149 Use new mips_output_conditional_branch interface.
150 (branch_fp_inverted): Rename to...
151 (*branch_fp_inverted): ...this and update as for *branch_fp.
152 (*branch_zero<mode>): Rename to...
153 (*branch_order<mode>): ...this. Remove mode from comparison operator.
154 Use mips_output_order_conditional_branch. Only accept ordered
156 (*branch_zero<mode>_inverted): Rename to...
157 (*branch_order<mode>_inverted): ...this and update as for
159 (*branch_equality<mode>): Accept zero as the second operand to
160 the equality operator. Use the new mips_output_conditional_branch
162 (*branch_equality<mode>_inverted): Likewise.
163 (condjump): New expander.
164 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
166 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
167 (bc1any2t, bc1any2f): Likewise.
168 (single_cc): New expander.
169 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
171 2006-03-09 Richard Sandiford <richard@codesourcery.com>
173 * doc/md.texi: Update documentation of MIPS constraints.
174 * config/mips/constraints.md: New file.
175 * config/mips/mips.md: Include it.
176 * config/mips/mips.c (mips_char_to_class): Delete.
177 (override_options): Don't initialize mips_char_to_class.
178 * config/mips/mips.h (mips_char_to_class): Delete.
179 (REG_CLASS_FROM_LETTER): Delete.
180 (CONST_OK_FOR_LETTER_P): Delete.
181 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
182 (EXTRA_CONSTRAINT_Y): Delete.
183 (EXTRA_CONSTRAINT_STR): Delete.
184 (CONSTRAINT_LEN): Delete.
185 (EXTRA_MEMORY_CONSTRAINT): Delete.
187 2006-03-09 Diego Novillo <dnovillo@redhat.com>
189 * tree-cfg.c (move_block_to_fn): Remove the statements from the
190 original fn's eh regions.
192 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
194 * fold-const.c (build_range_check): Make sure to use a valid type to
195 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
198 (range_predecessor): New static function.
199 (range_successor): Likewise.
200 (merge_ranges): Use them to compute predecessors and successors of
203 2006-03-09 Roger Sayle <roger@eyesopen.com>
206 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
207 X op C3, consider whether C3 overflows towards +Inf or -Inf.
209 2006-03-08 DJ Delorie <dj@redhat.com>
211 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
212 (addpsi3): Expand to include memory operands. Remove
213 reload-specific splits.
214 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
215 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
216 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
217 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
218 (shift1_qi, shift1_hi, insv): New.
219 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
220 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
221 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
223 * config/m32c/m32c-protos.h: Update as needed.
224 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
225 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
226 Fail for unrecognized R* constraints.
227 (m32c_cannot_change_mode_class): Be more picky about pseudos.
228 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
229 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
231 (m32c_init_libfuncs): New.
232 (m32c_legitimate_address_p): Add debug wrapper.
233 (m32c_rtx_costs): New.
234 (m32c_address_cost): New.
235 (conversions): Add 'B' prefix.
236 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
237 operands, or word regnames for QI operands. 'B' prints bit
239 (m32c_expand_setmemhi): New.
240 (m32c_expand_movmemhi): New.
241 (m32c_expand_movstr): New.
242 (m32c_expand_cmpstr): New.
243 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
244 (m32c_expand_neg_mulpsi3): Handle non-ints.
245 (m32c_cmp_flg_0): New.
246 (m32c_expand_movcc): New.
247 (m32c_expand_insv): New.
248 (m32c_scc_pattern): New.
249 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
251 (STORE_FLAG_VALUE): New.
252 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
255 * config/m32c/mov.md: Make constraints more liberal.
256 (zero_extendqihi2): Optimize r0/r1 case.
257 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
258 * config/m32c/predicates.md (m32c_any_operand): New.
259 (m32c_nonimmediate_operand): New.
260 (m32c_hl_operand): New.
261 (m32c_r3_operand): New.
264 (memsym_operand): New.
265 (memimmed_operand): New.
267 (m32c_eqne_operator): New.
268 (m32c_1bit8_operand): New.
269 (m32c_1bit16_operand): New.
270 (m32c_1mask8_operand): New.
271 (m32c_1mask16_operand): New.
272 * config/m32c/blkmov.md: New file.
273 * config/m32c/t-m32c (MD_FILES): Add blkmov.
275 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
277 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
278 unsigned to fix signed/unsigned comparison issue in
279 DWARF2_FRAME_REG_OUT.
280 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
281 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
283 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
284 of ptr into the ENABLE_CHECKING section.
286 2006-03-08 Jeff Law <law@redhat.com>
288 * tree-vrp.c (infer_value_range): Only count pointer uses
289 and dereferences if -fdelete-null-pointer-checks is enabled.
291 * tree-vrp.c (find_assert_locations): Infer value ranges for
292 single use pointers, but do not create ASSERT_EXPRs for them.
293 When a non-null range is inferred for a pointer, backwards
294 propagate that range to other equivalent pointers through the
297 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
300 * Makefile.in (dvi, html, install-info): Invoke the corresponding
301 language hook targets.
302 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
303 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
304 if language hook targets were missing.
306 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
308 * tree-ssa-opfinalize.h: Removed.
309 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
311 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
312 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
313 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
314 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
315 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
316 finalize_ssa_v_must_def_ops): New.
318 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
320 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
323 2006-03-07 Geoffrey Keating <geoffk@apple.com>
325 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
327 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
328 addresses with offsets; reorganize.
330 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
331 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
332 (expand_builtin_init_dwarf_reg_sizes): Likewise.
334 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
337 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
339 2006-03-08 Ben Elliston <bje@au.ibm.com>
341 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
343 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
346 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
349 2006-03-07 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/26587
352 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
354 2006-03-07 Richard Sandiford <richard@codesourcery.com>
356 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
358 2006-03-07 Richard Sandiford <richard@codesourcery.com>
360 * hooks.c (hook_bool_mode_rtx_true): New function.
361 * hooks.h (hook_bool_mode_rtx_true): Declare.
362 * toplev.c (compile_file): Call output_shared_constant_pool.
363 * varasm.c (shared_constant_pool): New variable.
364 (assemble_start_function, assemble_end_function): Remove arguments
365 from call to output_constant_pool.
366 (create_constant_pool): New function, split out from...
367 (init_varasm_status): ...here.
368 (force_const_mem): Choose between the shared and per-function constant
369 pools. Set current_function_uses_const_pool when reusing old entries
370 as well as when creating new ones.
371 (mark_constant): Ignore data argument.
372 (mark_constants): Remove pool argument.
373 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
374 to decide whether the function uses a constant pool.
375 (output_constant_pool_contents): New function, split out from...
376 (output_constant_pool): ...here.
377 (output_shared_constant_pool): New function.
378 (init_varasm_once): Initialize shared_constant_pool.
379 * output.h (output_constant_pool): Delete.
380 (output_shared_constant_pool): Declare.
381 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
382 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
384 2006-03-06 Nick Clifton <nickc@redhat.com>
386 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
387 flag_strength_reduce.
389 2006-03-06 Ben Elliston <bje@au.ibm.com>
391 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
392 x86_64-*-linux* configurations.
394 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
395 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
397 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
399 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
401 * basic-block.h: Remove the extern for
402 rediscover_loops_after_threading.
404 * cfgloop.c (cancel_loop): Make it static.
405 * cfgloop.h: Remove the prototype for cancel_loop.
407 * flow.c (recompute_reg_usage): Make it static.
408 * rtl.h: Remove the prototype for recompute_reg_usage.
410 * function.c (use_return_register): Make it static.
411 * function.h: Remove the prototype.
413 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
415 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
417 * recog.h: Remove the prototype for
418 validate_change_maybe_volatile.
420 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
422 * rtlanal.c (replace_reg): Remove.
423 * rtl.h: Remove the prototype for replace_reg.
425 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
427 * regclass.c (reg_scan_update): Remove.
428 (reg_scan_mark_refs): Remove the last argument.
429 * rtl.h: Remove the prototype for reg_scan_update.
431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
433 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
434 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
435 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
436 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
437 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
438 loop-invariant.c, omp-low.c, opts.c, passes.c,
439 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
440 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
441 tree-ssa-structalias.c, tree-ssa-threadedge.c,
442 tree-ssa-threadupdate.c, tree-vect-patterns.c,
443 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
444 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
446 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
448 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
449 * dwarf2out.h: Remove the prototype for
450 dwarf2out_add_library_unit_info.
452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
454 * tree.c (add_var_to_bind_expr): Remove.
455 * tree.h: Remove the prototype for add_var_to_bind_expr.
457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
459 * regclass.c (n_non_fixed_regs): Remove.
460 (init_reg_sets_1, globalize_reg): Remove all uses of
462 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
464 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
466 * rtlanal.c (insns_safe_to_move_p): Remove.
467 * rtl.h: Remove the prototype for insns_safe_to_move_p.
469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
471 * expmed.c (expand_mult_add): Remove.
472 * expr.h: Remove the prototype for expand_mult_add.
474 2006-03-04 Jakub Jelinek <jakub@redhat.com>
476 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
477 and REG_SAVED_VAL_EXP constants.
478 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
479 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
480 Handle regs stored by value.
481 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
482 (execute_cfa_program): Handle DW_CFA_val_offset,
483 DW_CFA_val_offset_sf and DW_CFA_val_expression.
484 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
485 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
486 (uw_install_context_1): Handle target regs stored by value.
488 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
490 * tree-sra.c (tree_sra): Return todoflags;
491 (generate_one_element): Set TODO_update_smt_usage if needed.
492 (pass_sra): Remove TODO_update_smt_usage.
493 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
495 (tree_ssa_forward_propagate_single_use_vars): Return
496 TODO_update_smt_usage if we need to update SMT usage.
497 (pass_forwprop): Remove TODO_update_smt_usage.
499 2006-03-03 Diego Novillo <dnovillo@redhat.com>
501 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
502 (correct_use_link): Remove reference to get_stmt_operands.
503 (update_stmt_operands): Likewise.
504 (get_modify_expr_operands): New function factored out of
505 parse_ssa_operands and get_expr_operands.
506 Try to create V_MUST_DEFs for LHS by default.
507 (get_expr_operands) <case MODIFY_EXPR>: Call
508 get_modify_expr_operands.
509 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
510 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
511 (parse_ssa_operands) <case MODIFY_EXPR>: Call
512 get_modify_expr_operands.
514 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
516 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
517 * tree-flow.h: Remove the prototype for
518 referenced_var_lookup_if_exists.
520 2006-03-03 Steve Ellcey <sje@cup.hp.com>
522 PR rtl-optimization/26345
524 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
526 2006-03-03 Roger Sayle <roger@eyesopen.com>
528 PR tree-optimization/26524
529 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
530 fold_convert to create a constant of the appropriate type.
532 2006-03-03 Richard Sandiford <richard@codesourcery.com>
534 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
535 SYMBOL_REF_IN_BLOCK_P.
536 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
537 of SYMBOL_FLAG_IN_BLOCK.
538 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
539 instead of SYMBOL_REF_IN_BLOCK_P.
540 * explow.c (use_anchored_address): Likewise.
541 * rtl.c (rtx_size): Likewise.
542 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
543 instead of SYMBOL_FLAG_IN_BLOCK.
544 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
545 SYMBOL_REF_IN_BLOCK_P.
546 (assemble_variable): Likewise.
547 (output_constant_def_contents): Likewise.
548 (output_constant_pool): Likewise.
549 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
550 instead of SYMBOL_FLAG_IN_BLOCK.
551 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
552 SYMBOL_REF_IN_BLOCK_P.
553 (SYMBOL_REF_BLOCK): Likewise.
554 (SYMBOL_REF_OFFSET): Likewise.
555 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
556 SYMBOL_REF_IN_BLOCK_P.
557 (SYMBOL_FLAG_IN_BLOCK): Replace with...
558 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
559 (SYMBOL_REF_IN_BLOCK_P): Replace with...
560 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
562 2006-03-03 Jakub Jelinek <jakub@redhat.com>
564 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
566 2006-03-02 Roger Sayle <roger@eyesopen.com>
568 * simplify-rtx.c (simplify_unary_operation): When simplifying
569 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
570 that we perform the right shift in the appropriate mode, and
571 then extend or truncate the result to requested mode.
573 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
575 * gengtype.c (main): Handle double_int type.
576 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
577 * double-int.c: New file.
578 * double-int.h: New file.
579 * system.h: Include doubleint.h.
580 * Makefile.in (SYSTEM_H): Include double-int.h.
583 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
586 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
589 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
591 * tree-vrp.c (remove_range_assertions): Do not update statements
594 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
596 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
598 * gcse.c (rest_of_handle_gcse): Ditto.
599 * except.c (gate_handle_eh): Ditto.
600 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
601 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
603 2006-03-02 Eric Christopher <echristo@apple.com>
605 * config/i386/i386.c (machopic_output_stub): Add indirection to
608 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
612 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
614 Sun Niagara specific optimizations.
615 * config.gcc: Recognize niagara as target.
616 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
617 (TARGET_CPU_niagara): Define.
618 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
619 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
620 (CPP_CPU_SPEC): Handle -mcpu=niagara.
621 (ASM_CPU_SPEC): Likewise.
622 (PROCESSOR_NIAGARA): New enum entry.
623 (REGISTER_MOVE_COST): Handle Niagara.
624 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
625 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
626 (sparc_override_options): Recognize "niagara", set appropriate
627 default MASK_* values for it, and align functions to 32-bytes
628 by default just like ULTRASPARC/ULTRASPARC3.
629 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
630 (sparc64_initialize_trampoline): Likewise.
631 (sparc_use_sched_lookahead): Use zero for niagara.
632 (sparc_issue_rate): Use one for niagara.
633 * config/sparc/niagara.md: New file.
634 * config/sparc/sparc.md: Include it.
635 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
636 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
637 when default cpu is niagara.
638 (CPP_CPU_SPEC): Handle -mcpu=niagara.
639 (ASM_CPU_SPEC): Likewise.
640 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
641 when default cpu is niagara.
642 (ASM_CPU_SPEC): Handle -mcpu=niagara.
643 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
644 just like v9/ultrasparc/ultrasparc3.
645 * doc/invoke.texi: Add documentation for "niagara" and improve
646 existing documentation for ultrasparc variants.
648 2006-03-02 Diego Novillo <dnovillo@redhat.com>
650 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
652 2006-03-02 Richard Sandiford <richard@codesourcery.com>
654 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
655 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
656 and say that only one is needed.
657 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
658 * target.h (have_switchable_bss_sections): New hook.
659 * explow.c (use_anchored_address): Check that the symbol is in a block.
660 * varasm.c (tls_comm_section, comm_section, lcomm_section)
661 (bss_noswitch_section): New variables.
662 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
663 (get_noswitch_section): New function.
664 (get_block_for_section): Allow SECT to be null.
665 (unlikely_text_section_p): Use SECTION_STYLE.
666 (bss_initializer_p): New function.
667 (get_variable_section): Move earlier in file. Take a new argument,
668 prefer_noswitch_p. Move bss checks from assemble_variable to here.
669 Return one of the new *_sections in such cases.
670 (get_block_for_decl): New function, extracting some logic from
671 use_blocks_for_decl_p.
672 (change_symbol_section): Remove in favor of...
673 (change_symbol_block): ...this new function.
674 (use_blocks_for_decl_p): Remove checks now performed by
676 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
677 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
678 (emit_local, emit_bss, emit_common): ...these new functions.
679 Return true if the alignment was honored.
680 (emit_tls_common): New function.
681 (asm_emit_uninitialised): Delete.
682 (assemble_variable_noswitch): New function, split out from...
683 (assemble_variable): ...here. Don't make decisions about common
684 variables here. Globalize all public decls that go into non-common
685 sections. Check whether SYMBOL_REF_BLOCK is null.
686 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
687 (output_constant_pool): Likewise.
688 (init_varasm_once): Initialize the new section variables.
689 (have_global_bss_p): New function.
690 (categorize_decl_for_section): Use bss_initializer_p.
691 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
692 (place_block_symbol): Assert that the symbol must be in a block.
693 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
694 (TARGET_INITIALIZER): Include it.
695 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
696 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
697 (SECTION_MACH_DEP): Bump by two.
698 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
699 (unnamed_section): Mention SECTION_UNNAMED in comment.
700 (named_section): Likewise SECTION_NAMED.
701 (noswitch_section_callback): New type.
702 (noswitch_section): New structure.
703 (section): Add a noswitch_section alternative.
704 (SECTION_STYLE): New macro.
705 (tls_comm_section, comm_section, lcomm_section): Declare.
706 (bss_noswitch_section, have_global_bss_p): Declare.
707 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
708 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
710 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
711 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
714 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
716 * gcc/tree-vrp.c (execute_vrp): Return value.
717 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
718 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
719 * gcc/tree-complex.c (tree_lower_complex): Ditto.
720 (tree_lower_complex_O0): Ditto.
721 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
722 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
723 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
724 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
725 (execute_tail_calls): Ditto.
726 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
727 * gcc/tree.h (init_function_for_compilation): Ditto.
728 * gcc/ipa-cp.c (ipcp_driver): Ditto.
729 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
730 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
731 * gcc/final.c (compute_alignments): Ditto.
732 (rest_of_handle_final): Ditto.
733 (rest_of_handle_shorten_branches): Ditto.
734 (rest_of_clean_state): Ditto.
735 * gcc/omp-low.c (execute_expand_omp): Ditto.
736 (execute_lower_omp): Ditto.
737 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
738 * gcc/ipa-reference.c (static_execute): Ditto.
739 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
740 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
741 (rest_of_handle_machine_reorg): Ditto.
742 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
743 * gcc/flow.c (recompute_reg_usage): Ditto.
744 (rest_of_handle_remove_death_notes): Ditto.
745 (rest_of_handle_life): Ditto.
746 (rest_of_handle_flow2): Ditto.
747 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
748 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
749 (do_ssa_store_ccp): Ditto.
750 (execute_fold_all_builtins): Ditto.
751 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
752 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
753 * gcc/ipa-pure-const.c (static_execute): Ditto.
754 * gcc/cse.c (rest_of_handle_cse): Ditto.
755 (rest_of_handle_cse2): Ditto.
756 * gcc/web.c (rest_of_handle_web): Ditto.
757 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
758 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
759 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
760 * gcc/tree-nrv.c (tree_nrv): Ditto.
761 (execute_return_slot_opt): Ditto.
762 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
763 (create_structure_vars): Ditto.
764 * gcc/loop-init.c (rtl_loop_init): Ditto.
765 (rtl_loop_done): Ditto.
766 (rtl_move_loop_invariants): Ditto.
767 (rtl_unswitch): Ditto.
768 (rtl_unroll_and_peel_loops): Ditto.
770 * gcc/gimple-low.c (lower_function_body): Ditto.
771 (mark_used_blocks): Ditto.
772 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
773 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
774 (cgraph_early_inlining): Ditto.
775 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
776 * gcc/jump.c (cleanup_barriers): Ditto.
777 (purge_line_number_notes): Ditto.
778 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
779 (rest_of_handle_if_after_reload): Ditto.
780 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
781 (tree_ssa_loop_im): Ditto.
782 (tree_ssa_loop_unswitch): Ditto.
783 (tree_vectorize): Ditto.
784 (tree_linear_transform): Ditto.
785 (tree_ssa_loop_ivcanon): Ditto.
786 (tree_ssa_empty_loop): Ditto.
787 (tree_ssa_loop_bounds): Ditto.
788 (tree_complete_unroll): Ditto.
789 (tree_ssa_loop_prefetch): Ditto.
790 (tree_ssa_loop_ivopts): Ditto.
791 (tree_ssa_loop_done): Ditto.
792 * gcc/predict.c (tree_estimate_probability): Ditto.
793 * gcc/recog.c (split_all_insns_noflow): Ditto.
794 (rest_of_handle_peephole2): Ditto.
795 (rest_of_handle_split_all_insns): Ditto.
796 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
797 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
798 (rest_of_handle_stack_adjustments): Ditto.
799 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
800 * gcc/function.c (instantiate_virtual_regs): Ditto.
801 (init_function_for_compilation): Ditto.
802 (rest_of_handle_check_leaf_regs): Ditto.
803 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
804 (rest_of_handle_gcse): Ditto.
805 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
806 * gcc/alias.c (rest_of_handle_cfg): Ditto.
807 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
808 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
809 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
810 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
811 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
812 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
813 * gcc/except.c (set_nothrow_function_flags): Ditto.
814 (convert_to_eh_region_ranges): Ditto.
815 (rest_of_handle_eh): Ditto.
816 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
817 (remove_unnecessary_notes): Ditto.
818 * gcc/except.h (set_nothrow_function_flags): Ditto.
819 (convert_to_eh_region_ranges): Ditto.
820 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
821 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
822 * gcc/tree-ssa-pre.c (do_pre): Ditto.
823 (execute_fre): Ditto.
824 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
825 (rest_of_handle_jump2): Ditto.
826 * gcc/tree-sra.c (tree_sra): Ditto.
827 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
828 (execute_mudflap_function_decls): Ditto.
829 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
830 (do_store_copy_prop): Ditto.
831 * gcc/ipa-prop.h (ipcp_driver): Ditto.
832 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
833 * gcc/tree-ssa-forwprop.c
834 (tree_ssa_forward_propagate_single_use_vars): Ditto.
835 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
836 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
837 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
838 (execute_late_warn_uninitialized): Ditto.
839 * gcc/rtl.h (cleanup_barriers): Ditto.
840 (split_all_insns_noflow): Ditto.
841 (purge_line_number_notes): Ditto.
842 (unshare_all_rtl): Ditto.
843 (remove_unnecessary_notes): Ditto.
844 (recompute_reg_usage): Ditto.
845 (variable_tracking_main): Ditto.
846 * gcc/integrate.c (emit_initial_value_sets): Ditto.
847 * gcc/integrate.h (emit_initial_value_sets): Ditto.
848 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
849 (execute_free_cfg_annotations): Ditto.
850 (execute_fixup_cfg): Ditto.
851 (execute_cleanup_cfg_pre_ipa): Ditto.
852 (execute_cleanup_cfg_post_optimizing): Ditto.
853 (execute_init_datastructures): Ditto.
854 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
855 * gcc/combine.c (rest_of_handle_combine): Ditto.
856 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
857 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
858 (rest_of_handle_reorder_blocks): Ditto.
859 (rest_of_handle_partition_blocks): Ditto.
860 * gcc/var-tracking.c (variable_tracking_main): Ditto.
861 * gcc/tree-profile.c (tree_profiling): Ditto.
862 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
863 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
864 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
865 (rest_of_handle_sched2): Ditto.
866 * gcc/basic-block.h (free_bb_insn): Ditto.
867 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
868 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
869 (remove_useless_stmts): Ditto.
870 (split_critical_edges): Ditto.
871 (execute_warn_function_return): Ditto.
872 (execute_warn_function_noreturn): Ditto.
873 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
874 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
875 * gcc/passes.c (execute_one_pass): Run additional
876 todos returned by execute function.
877 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
880 2006-03-02 Richard Guenther <rguenther@suse.de>
882 * tree-ssa-alias.c (find_used_portions): Consider taking
883 the address as making the variable not write-only.
885 2006-03-02 Nick Clifton <nickc@redhat.com>
887 * config.gcc (default_use_cxa_atexit): Extend the description of
888 this configure variable. Set its default value to "yes" for
889 Linux, NetBSD and ELF targets on the assumption that they will
890 use C libraries with the __cxa_atexit function.
892 2006-03-02 Ben Elliston <bje@au.ibm.com>
894 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
895 parameter as unused to suppress a build warning.
897 2006-03-02 Ben Elliston <bje@au.ibm.com>
899 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
902 2006-03-01 Roger Sayle <roger@eyesopen.com>
905 * gthr-posix.h (__gthrw2): Define to take three parameters, the
906 declared name, the weak reference name, and the typeof name.
907 (__gthrw): Avoid expanding the declared name suffix.
908 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
910 2006-03-01 Jakub Jelinek <jakub@redhat.com>
912 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
914 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
915 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
916 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
917 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
918 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
919 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
920 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
921 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
922 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
923 DW_DS_leading_separate, DW_DS_trailing_separate): New.
924 (DW_END_default, DW_END_big, DW_END_little): New.
925 (DW_END_lo_user, DW_END_hi_user): Define.
926 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
927 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
928 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
931 2006-03-01 Diego Novillo <dnovillo@redhat.com>
933 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
935 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
937 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
939 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
941 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
944 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
947 2006-03-01 Roger Sayle <roger@eyesopen.com>
949 * builtins.c (fold_builtin_copysign): Delete unreachable code.
951 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
954 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
955 MACHO_DYNAMIC_NO_PIC_P.
956 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
958 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
961 * config/darwin-protos.h (darwin_asm_output_anchor):
963 * config/darwin-sections.def (cstring_section):
964 Add SECTION_MERGE to the flags.
965 (literal4_section): Likewise.
966 (literal8_section): Likewise.
967 (objc_selector_refs_section): Likewise.
968 (objc_cls_refs_section): Likewise.
969 * config/darwin.c (darwin_asm_output_anchor): New
971 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
973 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
975 Fix PR tree-optimization/26443
976 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
977 to todo and PROP_tmt_usage to properties_destroyed.
978 * tree-ssa-ccp.c (pass_ccp): Ditto.
979 (pass_store_ccp): Ditto.
980 * tree-ssa-dom.c (pass_dominator): Ditto.
982 2006-03-01 Diego Novillo <dnovillo@redhat.com>
984 * tree-ssa-operands.c: Cleanup whitespace.
985 (get_asm_expr_operands): Move before first invocation.
986 (get_indirect_ref_operands): Likewise.
987 (get_tmr_operands): Likewise.
988 (get_call_expr_operands): Likewise.
989 (append_def): Likewise.
990 (append_use): Likewise.
991 (append_v_may_def): Likewise.
992 (append_v_must_def): Likewise.
993 (add_call_clobber_ops): Likewise.
994 (add_call_read_ops): Likewise.
995 (add_stmt_operand): Likewise.
996 (add_virtual_operand): Likewise.
997 (build_ssa_operands): Likewise.
999 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1004 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1005 with a call expr to ...
1006 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1008 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1010 * tree-vrp.c (extract_range_from_assert): Remove special
1011 handling for types with super-types.
1013 2006-03-01 Ben Elliston <bje@au.ibm.com>
1015 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1016 and powerpc64-*-linux* configurations.
1017 * config/t-dfprules: New file.
1019 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1020 Compile dfp-bit.c from the source directory using -DWIDTH and
1021 $DFP_CFLAGS to control the compilation of that file, rather than
1022 generating width-specific versions in the build directory.
1023 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1024 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1026 2006-02-28 Zack Weinberg <zackw@panix.com>
1028 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1031 2006-02-28 Eric Christopher <echristo@apple.com>
1033 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1034 Set up IN_LIBGCC definition of TARGET_64BIT.
1035 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1037 2006-02-28 Roger Sayle <roger@eyesopen.com>
1040 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1041 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1042 cases via the construction of "expr != 0".
1044 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1046 * alias.c (alias_invariant, alias_invariant_size): Remove.
1047 (record_base_value): Remove.
1048 (memrefs_conflict_p): Don't look at alias_invariant.
1049 (end_alias_analysis): Don't free it.
1050 * alias.h (record_base_value): Remove prototype.
1052 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1053 Adam Nemet <anemet@caviumnetworks.com>
1055 * rtl.h (truncated_to_mode): Declare it.
1056 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1057 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1058 (RTL_HOOKS_INITIALIZER): Include it.
1059 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1060 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1061 reg_truncated_to_mode.
1062 * rtlanal.c (truncated_to_mode): Define it.
1063 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1065 2006-02-28 Jeff Law <law@redhat.com>
1067 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1068 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1069 the range allowed by TYPE_PRECISION.
1071 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1073 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1075 PR tree-optimization/26419
1076 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1079 2006-02-27 Zack Weinberg <zackw@panix.com>
1081 * doc/md.texi: Fix typo in previous change.
1083 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1087 2006-02-27 Zack Weinberg <zackw@panix.com>
1089 * rtl.def (define_constraint, define_register_constraint)
1090 (define_memory_constraint, define_address_constraint): New MD forms.
1091 * gensupport.c (process_rtx): Put define_constraint etc on the
1093 * genpreds.c (process_define_predicate): Adjust comment. Validate
1094 the name, and call validate_exp to validate the expression.
1095 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1096 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1097 all callers changed.
1098 (validate_exp, needs_variable, struct constraint_data)
1099 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1100 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1101 (const_dbl_constraints, constraint_max_namelen)
1102 (have_register_constraints, have_memory_constraints)
1103 (have_address_constraints, have_address_constraints)
1104 (have_extra_constraints, have_const_int_constraints)
1105 (have_const_dbl_constraints, mangle, add_constraint)
1106 (process_define_constraint, process_define_register_constraint)
1107 (write_enum_constraint_num, write_lookup_constraint)
1108 (write_insn_constraint_len, write_regclass_for_constraint)
1109 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1110 (write_insn_extra_memory_constraint)
1111 (write_insn_extra_address_constraint)
1112 (write_satisfies_constraint_fns): New.
1113 (write_tm_preds_h): If we have new-style constraint definitions,
1114 prototype the functions generated from them, and define the
1115 old constraint interface (still used by generic code) in terms of
1117 (write_insn_preds_c): If we have new-style constraint definitions,
1118 generate all relevant functions from those definitions.
1119 (main): Handle define_constraint etc.
1120 * genoutput.c (struct constraint_data, indep_constraints)
1121 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1122 (mdep_constraint_len): New data structures and functions, defined
1123 #ifdef USE_MD_CONSTRAINTS.
1124 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1125 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1126 use new logic to validate operand constraints against constraint
1128 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1130 * defaults.h: If none of the old-style constraint macros are
1131 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1132 old-style macros; and poison REG_CLASS_FROM_LETTER,
1133 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1135 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1136 * doc/md.texi: Document new constraint-definition mechanism and the
1137 C interface it provides. Remove references to old mechanism
1138 elsewhere in the document.
1139 (Machine Constraints): Use pathnames relative to gcc directory,
1140 i.e. config/ARCH/FILE. Change i386 section to refer to
1141 config/i386/predicates.md; update that section to match docstrings.
1142 * doc/tm.texi: Move all documentation of the old constraint-
1143 definition macros to their own section, clearly mark as obsolete.
1145 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1146 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1148 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1149 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1150 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1152 (splits and peepholes): Use satisfies_constraint_*.
1153 * config/i386/i386.c (memory_address_length)
1154 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1156 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1158 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1159 scalar operation to be put back into the loop.
1161 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1164 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1165 (extract_cie_info): Handle S flag in augmentation string.
1166 (execute_cfa_program): If context->signal_frame, execute also
1167 fs->pc == context->ra instructions.
1168 (uw_frame_state_for): If context->signal_frame, don't subtract one
1169 from context->ra to find FDE.
1170 (uw_update_context_1): Set context->signal_frame to
1172 (_Unwind_GetIPInfo): New function.
1173 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1174 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1176 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1177 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1178 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1179 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1180 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1181 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1182 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1183 x86_64_fallback_frame_state): Set fs->signal_frame.
1184 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1185 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1186 (frob_update_context): Likewise. Workaround missing S flag in
1187 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1188 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1189 Remove the psw_addr + 1 hack.
1191 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1193 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1194 with aggregates here.
1195 (find_func_aliases): Remove code for &<aggregate> from here.
1197 2006-02-26 Roger Sayle <roger@eyesopen.com>
1199 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1200 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1201 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1204 2006-02-26 Roger Sayle <roger@eyesopen.com>
1207 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1209 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1211 * opts.c (decode_options): Do not handle flag_strength_reduce.
1212 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1213 and OPT_fstrength_reduce.
1214 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1215 flag_prefetch_loop_arrays for being nonzero.
1216 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1218 (fprefetch-loop-arrays-rtl): Removed.
1219 (flag_prefetch_loop_arrays): Do not specify the value.
1221 * doc/passes.texi: Update documentation of loop optimizer
1223 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1224 -frerun-loop-opt): Remove.
1226 2006-02-26 Richard Guenther <rguenther@suse.de>
1228 PR tree-optimization/26421
1229 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1230 in function calls that are ADDR_EXPRs as using the whole structure.
1232 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1234 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1235 * tree-pass.h (pass_loop_optimize): Remove.
1236 * passes.c (pass_loop_optimize): Never run it.
1237 * toplev.c (backend_init): Don't call init_loop.
1238 * opts.c (flag_loop_optimize_set): Remove.
1239 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1240 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1241 the old RTL loop optimizer when profiling enabled.
1242 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1243 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1244 pre-headers for the sake of the old RTL loop optimizer.
1245 * Makefile.in: Remove all references to loop.o.
1247 * doc/invoke.texi: Remove all references to -floop-optimize
1248 and -frerun-loop-opt.
1250 2006-02-26 Zack Weinberg <zackw@panix.com>
1252 * doc/md.texi (Machine Constraints): Refer to all files with paths
1253 relative to gcc directory (i.e. config/CPU/file). Add missing
1254 @table @code ... @end table to M32C subsection.
1256 2006-02-26 Roger Sayle <roger@eyesopen.com>
1258 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1260 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1262 2006-02-26 Roger Sayle <roger@eyesopen.com>
1263 James A. Morrison <phython@gcc.gnu.org>
1266 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1267 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1268 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1269 signedness of the shift operation.
1271 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1273 PR tree-optimization/26359
1274 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1276 2006-02-25 Roger Sayle <roger@eyesopen.com>
1278 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1279 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1280 as X == 0, and some symmetry related transformations.
1281 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1283 2006-02-25 Roger Sayle <roger@eyesopen.com>
1286 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1287 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1288 symmetry related transformations. Fold (X^C1) == C2 as
1291 2006-02-25 Juergen Weigert <jw@suse.de>
1292 Richard Guenther <rguenther@suse.de>
1294 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1296 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1298 * combine.c (gen_lowpart_or_truncate): Call
1299 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1301 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1303 * doc/invoke.texi: Move -fopenmp description to "Options for
1305 Remove reference to -lgomp.
1307 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1309 * doc/install.texi: Require GNU tar version 1.14.
1311 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1313 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1314 * doc/invoke.texi (C++ Dialect Options): Document
1315 -fno-use-cxa-get-exception-ptr.
1316 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1317 * configure: Regenerate.
1318 * c.opt (fuse-cxa-get-exception-ptr): New.
1319 * c-opts.c (c_common_handle_option): Handle
1320 OPT_fuse_cxa_get_exception_ptr.
1321 * c-common.c (flag_use_cxa_atexit): Update documentation.
1322 (flag_use_cxa_get_exception_ptr): New.
1323 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1324 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1326 (C_COMMON_OVERRIDE_OPTIONS): New.
1328 2006-02-24 Roger Sayle <roger@eyesopen.com>
1331 * combine.c (try_combine): Explicitly check whether GET_CODE is
1332 a SET or a CLOBBER, instead on checking that it isn't a USE.
1334 2006-02-24 Roger Sayle <roger@eyesopen.com>
1336 * fold-const.c (fold_comparison): New subroutine of fold_binary
1337 containing transformations common to both the equality and
1338 ordering relational operators, factored out of fold_binary.
1339 (fold_binary): Separate out the equality operators (EQ_EXPR
1340 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1341 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1342 transformations common to both.
1343 (fold_div_compare): Fix latent bugs in the previously unreachable
1344 LT_EXPR and GE_EXPR cases.
1346 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1348 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1349 decl libname for clog to __clog on AIX.
1351 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1353 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1356 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1357 output traceback table for thunks. Localise rs6000_stack_info call.
1359 2006-02-23 Roger Sayle <roger@eyesopen.com>
1360 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1362 * gthr-posix.h (__gthrw): Fix typo in comment.
1364 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1366 * doc/cpp.texi (Character sets): Document that we do support
1367 input files to be in any character set.
1369 2006-02-23 Jeff Law <law@redhat.com>
1371 * tree.h (PHI_ARG_NONZERO): Remove.
1372 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1373 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1374 node to the new node.
1376 PR tree-optimization/26425
1377 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1378 min/max, then assume its varying.
1380 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1382 PR rtl-optimization/26316
1383 * rtlanal.c (enum may_trap_p_flags): New.
1384 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1385 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1386 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1387 (may_trap_after_code_motion_p): New function.
1388 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1389 (find_invariant_insn): Use may_trap_after_code_motion_p.
1390 * rtl.h (may_trap_after_code_motion_p): Declare.
1392 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1394 * emit-rtl.c (immed_double_const): Cleanup.
1396 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1398 Fix PR tree-optimization/26376
1399 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1402 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1405 * gimplify.c (omp_add_variable): Guard variable size decl test with
1406 DECL_SIZE (decl) check.
1408 2006-02-23 Richard Guenther <rguenther@suse.de>
1411 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1412 like aggregate types.
1414 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1416 * configure.ac: Add --with{,out}-long-double-128 configure option.
1417 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1418 * configure: Rebuilt.
1419 * config.in: Rebuilt.
1420 * doc/install.texi (Options specification): Document
1421 --with-long-double-128.
1423 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1424 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1425 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1426 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1428 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1430 * config/s390/s390.c (override_options): Handle
1431 TARGET_DEFAULT_LONG_DOUBLE_128.
1433 * config/alpha/alpha.c (override_options): Handle
1434 TARGET_DEFAULT_LONG_DOUBLE_128.
1436 * config/sparc/sparc.c (sparc_override_options): Handle
1437 TARGET_DEFAULT_LONG_DOUBLE_128.
1439 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1441 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1442 (real-install-headers-tar, real-install-headers-cpio)
1443 (real-install-headers-cp): New targets.
1445 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1447 * tree.h (variable_section): Delete.
1448 * varasm.c (variable_section): Delete.
1450 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1452 * install.texi: Add notes on install.texi2html.
1453 (Building in parallel): Do not use footnotes.
1455 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1458 * doc/install.texi (Configuration): Document --disable-libgomp.
1460 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1462 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1464 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1466 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1467 (vec_extractv2df_0_sse): New.
1469 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1471 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1472 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1473 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1474 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1475 to the result of the expression.
1476 (def_cfa_1): Adjust.
1477 (frame_pointer_cfa_offset): Rename to...
1478 (frame_pointer_fb_offset): ... this. Adjust all uses.
1479 (convert_cfa_to_loc_list): Rename to...
1480 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1481 Pass it on to build_cfa_loc.
1482 (compute_frame_pointer_to_cfa_displacement): Rename to...
1483 (compute_frame_pointer_to_fb_displacement): ... this. New
1484 offset parameter. Use it in computation.
1485 (gen_subprogram_die): Compute cfa_fb_offset with the new
1486 macro, and use it to compute the fb loc list and the
1489 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1491 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1492 replaced with register_operand.
1493 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1494 non-DREG is expensive.
1495 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1496 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1499 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1501 * doc/install.texi2html: Use set -e.
1503 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1505 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1506 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1507 * doc/invoke.texi (-fshared-data): Delete.
1508 * common.opt (fshared-data): Delete.
1509 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1510 (assemble_static_space): Remove #if 0 code.
1511 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1512 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1513 * config/cris/cris.h: Remove FIXME.
1515 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1517 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1520 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1523 * combine.c (simplify_shift_const_1): Disable nested shifts
1524 optimization for vector shifts.
1526 2006-02-20 Roger Sayle <roger@eyesopen.com>
1528 PR tree-optimization/26361
1529 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1530 of unsigned integer types.
1532 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1534 * tree-chrec.c (eq_evolutions_p): New.
1535 * tree-chrec.h (eq_evolutions_p): Declared.
1536 * tree-data-ref.c: Fix formatting.
1537 (datadep_stats, dependence_stats): New.
1539 (print_direction_vector): New.
1540 (dump_data_dependence_relation): Use print_direction_vector.
1541 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1542 (compute_subscript_distance): Static.
1543 (initialize_data_dependence_relation): Static. Get the number
1544 of loops surrounding the references from the callers, and initialize
1545 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1546 base_object_differ_p analyzers.
1547 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1548 compute_overlap_steps_for_affine_1_2,
1549 analyze_subscript_affine_affine): Count the classified dependences.
1550 Print a message when a test failed.
1551 (can_use_analyze_subscript_affine_affine): New.
1552 (analyze_siv_subscript): Compute the data dependences on symbolic
1553 scevs that verify can_use_analyze_subscript_affine_affine.
1554 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1555 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1556 Handle symbolic scevs.
1557 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1559 (subscript_dependence_tester): Moved...
1560 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1561 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1562 DDR_SIZE_VECT instead of getting it in parameter.
1563 (subscript_dependence_tester): ... here. Take as a parameter
1564 loop_nest_depth. Call build_classic_dist_vector and
1565 build_classic_dir_vector.
1566 (compute_affine_dependence): Update subscript_dependence_tester
1567 parameters. Update datadep_stats counters. Call
1568 compute_subscript_distance.
1569 (compute_self_dependence): Save the dist and dir vectors. Call
1570 compute_subscript_distance.
1571 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1572 (compute_all_dependences): Reorder parameters as they were before
1573 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1574 compute_subscript_distance. Update the use of
1575 compute_affine_dependence and initialize_data_dependence_relation.
1576 (find_data_references_in_loop): Handle COMPONENT_REF.
1577 (compute_data_dependences_for_loop): Initialize dependence_stats.
1578 Don't call build_classic_dist_vector and build_classic_dir_vector.
1579 Update the parameters of initialize_data_dependence_relation and
1580 compute_all_dependences. Print the statistics from datadep_stats.
1581 (analyze_all_data_dependences): Static. Not used until the pass for
1582 checking the data dependences is contributed.
1583 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1584 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1585 (initialize_data_dependence_relation, compute_affine_dependence,
1586 analyze_all_data_dependences, compute_subscript_distance): Removed.
1587 (print_direction_vector): New.
1588 * lambda.h (gcd): ... here.
1589 (lambda_vector_gcd): Moved here from gcd_vector.
1590 * lambda-code.c (gcd, gcd_vector): Removed.
1591 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1592 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1594 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1596 * ipa-type-escape.c: Tidy some comments and white space.
1597 * tree-ssa-operands.c: Likewise.
1599 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1602 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1603 (dump_decl_name): Do not walk the decl tree chains.
1604 * tree-pass.h (TDF_CHAIN): Remove.
1606 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1608 * Makefile.in (C): Remove
1610 (.PHONY): Remove C and PROTO
1612 2006-02-20 Roger Sayle <roger@eyesopen.com>
1615 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1616 deprecated CHAR_TYPE tree code.
1618 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1620 * configure.ac (target_list): Add install-info, dvi, html.
1621 * configure: Regenerate.
1623 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1624 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1625 treelang/Make-lang.in: Do not use double-colon rules.
1627 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1629 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1630 (TMT_USED_ALONE): New macro.
1631 * tree-pass.h (PROP_tmt_usage): New property.
1632 (TODO_update_tmt_usage): New todo.
1633 * tree-ssa-alias.c (updating_used_alone): New variable.
1634 (recalculate_used_alone): New function.
1635 (compute_may_aliases): Set updating_used_alone, call
1636 recalculate_used_alone.
1637 * tree-sra.c (pass_sra): Note that this pass destroys
1638 PROP_tmt_usage, and add TODO_update_tmt_usage.
1639 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1640 * tree-flow.h (updating_used_alone): Prototype.
1641 (recalculate_used_alone): Ditto.
1642 * passes.c (execute_todo): Add code to set updating_used_alone,
1643 and call recalculate.
1644 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1645 for clobber if used alone, and add assert to verify used_alone
1648 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1650 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1651 for non tls symbols added.
1652 (legitimize_address): Do nothing for PLUS expressions if one of the
1653 addends is a tls symbol reference.
1655 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1659 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1661 * Makefile.in (BOOTSTRAPPING): New.
1662 (quickstrap): New definition if BOOTSTRAPPING=yes.
1664 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1665 * configure.ac: Substitute all_selected_languages with the languages
1666 that were configured. For all the other variables except
1667 lang_specs_files, include all the languages in the tree.
1668 * configure: Regenerate.
1670 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1671 if there is one. Run the commands to run fixincludes in the same
1674 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1675 * doc/install.texi: Document exact conventions for searching target tools.
1676 Document --with-build-time-tools. Document toplevel bootstrap. Document
1677 something more about building an Ada cross-compiler. Don't list GNU Make
1678 requirements which affect all platforms.
1680 2006-02-19 Roger Sayle <roger@eyesopen.com>
1683 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1684 only equivalent if the have both the same mode and precision.
1686 2006-02-20 Ben Elliston <bje@au.ibm.com>
1688 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1690 2006-02-19 Roger Sayle <roger@eyesopen.com>
1691 Steven Bosscher <stevenb.gcc@gmail.com>
1693 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1694 constant pool references to identify stack mode constants.
1695 * rtlanal.c (constant_pool_constant_p): New predicate to check
1696 whether operand is a floating point constant in the pool.
1697 * rtl.h (constant_pool_constant_p): Prototype here.
1698 * loop.c (scan_loop): Avoid hoisting constants from the constant
1699 pool on STACK_REGS targets.
1700 (load_mems): Likewise.
1701 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1702 loads into x87 registers expensive in terms of register pressure.
1704 2006-02-19 Roger Sayle <roger@eyesopen.com>
1706 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1707 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1709 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1711 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1712 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1714 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1716 * doc/invoke.texi: Document -fipa-pta.
1717 * common.opt: Add ipa-pta option.
1718 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1719 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1720 (do_ds_constraint): Ditto.
1721 (get_constraint_for): Only add to referenced_vars if
1722 referenced_vars exists.
1723 (insert_into_field_list): Rewrite to do this unsorted.
1724 (insert_into_field_list_sorted): Rename old insert_into_field_list
1726 (create_function_info_for): Use insert_into_field_list_sorted.
1727 (create_variable_info_for): Rewrite so it uses unsorted version,
1728 since the field list is sorted.
1729 (intra_create_variable_infos): Only add to referenced_vars if
1730 referenced_vars exists.
1731 (ipa_pta_execute): Init heapvars, and delete when done.
1732 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1734 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1736 * doc/install.texi: Add missing `@samp'.
1738 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1740 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1743 2006-02-18 Mark Wielaard <mark@klomp.org>
1745 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1746 who added new 4.1 features, bug fixes and integration support.
1748 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1751 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1754 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1756 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1757 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1758 (copy_insn_1): Likewise. Don't copy each field individually.
1760 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1762 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1763 * rtl.c (rtx_size): Rename variable to...
1764 (rtx_code_size): ...this.
1765 (rtx_size): New function.
1766 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1767 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1769 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1770 * rtl.h (rtx_code_size): New variable.
1771 (rtx_size): Change from a variable to a function.
1772 (RTX_SIZE): Rename to...
1773 (RTX_CODE_SIZE): ...this.
1776 PR tree-optimization/17106
1777 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1778 (Anchored Addresses): New section.
1779 * doc/invoke.texi (-fsection-anchors): Document.
1780 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1781 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1782 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1783 * hooks.c (hook_bool_mode_rtx_false): New function.
1784 * hooks.h (hook_bool_mode_rtx_false): Declare.
1785 * gengtype.c (create_optional_field): New function.
1786 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1787 SYMBOL_REF_IN_BLOCK_P is true.
1788 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1789 (min_anchor_offset, max_anchor_offset): Likewise.
1790 (use_anchors_for_symbol_p): New hook.
1791 * toplev.c (compile_file): Call output_object_blocks.
1792 (target_supports_section_anchors_p): New function.
1793 (process_options): Check that -fsection-anchors is only used on
1794 targets that support it and when -funit-at-a-time is in effect.
1795 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1796 if the decl doesn't have one.
1797 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1798 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1799 of force_const_mem through use_anchored_address.
1800 (expand_expr_constant): New function.
1801 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1802 calling expand_expr for INDIRECT_REF.
1803 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1804 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1805 * expr.h (use_anchored_address): Declare.
1806 * loop-unroll.c: Don't declare rtx vectors here.
1807 * explow.c: Include output.h.
1808 (validize_mem): Call use_anchored_address.
1809 (use_anchored_address): New function.
1810 * common.opt (-fsection-anchors): New switch.
1811 * varasm.c (object_block_htab, anchor_labelno): New variables.
1812 (hash_section, object_block_entry_eq, object_block_entry_hash)
1813 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1814 (use_blocks_for_decl_p, change_symbol_section): New functions.
1815 (get_variable_section): New function, split out from assemble_variable.
1816 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1817 use_blocks_for_decl_p say so. Use change_symbol_section if the
1818 symbol has already been created.
1819 (assemble_variable_contents): New function, split out from...
1820 (assemble_variable): ...here. Don't output any code for
1821 block symbols; just pass them to place_block_symbol.
1822 Use get_variable_section and assemble_variable_contents.
1823 (get_constant_alignment, get_constant_section, get_constant_size): New
1824 functions, split from output_constant_def_contents.
1825 (build_constant_desc): Create a block symbol if use_object_blocks_p
1826 says so. Or into SYMBOL_REF_FLAGS.
1827 (assemble_constant_contents): New function, split from...
1828 (output_constant_def_contents): ...here. Don't output any code
1829 for block symbols; just pass them to place_section_symbol.
1830 Use get_constant_section and get_constant_alignment.
1831 (force_const_mem): Create a block symbol if use_object_blocks_p and
1832 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1833 (output_constant_pool_1): Add an explicit alignment argument.
1834 Don't switch sections here.
1835 (output_constant_pool): Adjust call to output_constant_pool_1.
1836 Switch sections here instead. Don't output anything for block symbols;
1837 just pass them to place_block_symbol.
1838 (init_varasm_once): Initialize object_block_htab.
1839 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1840 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1841 (place_block_symbol, get_section_anchor, output_object_block)
1842 (output_object_block_htab, output_object_blocks): New functions.
1843 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1844 (TARGET_ASM_OUT): Include it.
1845 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1846 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1847 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1848 (TARGET_INITIALIZER): Include them.
1849 * rtl.c (rtl_check_failed_block_symbol): New function.
1850 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1851 (block_symbol, object_block): New structures.
1852 (rtx_def): Add a block_symbol field to the union.
1853 (BLOCK_SYMBOL_CHECK): New macro.
1854 (rtl_check_failed_block_symbol): Declare.
1855 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1856 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1857 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1858 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1859 * output.h (output_section_symbols): Declare.
1860 (object_block): Name structure.
1861 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1862 (default_use_anchors_for_symbol_p): Declare.
1863 * Makefile.in (RTL_BASE_H): Add vec.h.
1864 (explow.o): Depend on output.h.
1865 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1866 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1867 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1868 (rs6000_use_blocks_for_constant_p): New function.
1870 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1872 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1874 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1877 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1880 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1882 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1886 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1889 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1890 instead of DECL_REGISTER.
1892 2006-02-18 Olivier Hainque <hainque@adacore.com>
1895 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1897 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1900 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1901 * opth-gen.awk: Handle Var and InverseMask together.
1902 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1903 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1904 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1905 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1907 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1908 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1909 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1910 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1911 LINUX_DYNAMIC_LINKER): Define.
1912 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1913 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1915 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1916 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1917 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1919 (TARGET_C99_FUNCTIONS): Don't define.
1920 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1921 GLIBC_DYNAMIC_LINKER.
1922 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1923 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1924 GLIBC_DYNAMIC_LINKER64): Define.
1925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1926 LINUX_DYNAMIC_LINKER64.
1927 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1929 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1931 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1933 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1934 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1935 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1937 and LINUX_DYNAMIC_LINKER32.
1938 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1940 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1942 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1944 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1945 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1946 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1947 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1948 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1949 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1950 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1951 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1952 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1953 LINUX_DYNAMIC_LINKER): Define.
1954 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1955 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1956 GLIBC_DYNAMIC_LINKER64): Define.
1957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1958 LINUX_DYNAMIC_LINKER64.
1959 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1960 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1961 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1962 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1963 LINUX_DYNAMIC_LINKER): Define.
1964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1965 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1966 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1967 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1968 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1969 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1970 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1971 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1972 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1973 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1975 * doc/invoke.texi (-muclibc): Remove caveat about supported
1978 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1980 * doc/cpp.texi (__TIMESTAMP__): Document.
1982 2006-02-17 Roger Sayle <roger@eyesopen.com>
1985 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1986 C is one less than the width of X (and related transformations).
1987 * simplify-rtx.c (simplify_unary_operation_1): Transform
1988 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1989 depending on STORE_FLAG_VALUE, were C is one less then the
1992 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1994 Fix PR tree-optimization/26341
1995 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1996 about NAME_MEMORY_TAG's.
1998 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2001 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2002 with hardware float support, and software float support. Add fcpy
2003 alternative to hardware patterns. Add alternatives to copy between
2004 general and floating-point registers to the 32-bit pattern.
2005 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2006 secondary reload to load a QI or HI mode constant into a floating
2008 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2009 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2011 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2014 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2016 (load_macho_picbase_di): Likewise.
2018 2006-02-16 Jeff Law <law@redhat.com>
2020 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2021 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2022 (ssa_name_nonzero_p): Likewise.
2023 (get_value_range): Return NULL if VRP is not running.
2024 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2025 VRP routines do not discover a range.
2026 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2027 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2028 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2029 (tree_expr_nonnegative_p): Similarly.
2030 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2031 (restore_nonzero_vars_to_original_value): Remove.
2032 (unsafe_associative_fp_binop): Remove.
2033 (tree_ssa_dominator_optimize): Remove initialization and
2034 finalization of nonzero_vars and nonzero_vars_stack.
2035 (dom_opt_initialize_block): No longer push marker on
2037 (dom_opt_finalize_block): No longer call
2038 restore_nonzero_vars_to_original_value.
2039 (record_equivalences_from_phis): No longer look for
2040 nonzero PHI arguments.
2041 (cprop_into_successor_phis): No longer propagate nonzero
2042 property into PHI arguments. Lose unused argument. Caller
2044 (record_equivalences_from_stmt): No longer record nonzero
2045 values for SSA_NAMEs.
2046 (lookup_avail_expr): No longer use nonzero_vars.
2048 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2049 for sizetype when sizetype is unsigned.
2051 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2053 PR rtl-optimization/25603
2054 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2055 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2056 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2057 with new meaning of SETS.
2059 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2064 * config/linux.opt: New file.
2065 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2066 LINUX_DYNAMIC_LINKER): Define.
2067 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2068 * config.gcc (*-*-linux*): Define extra_options.
2069 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2070 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2071 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2072 GLIBC_DYNAMIC_LINKER.
2073 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2074 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2075 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2076 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2077 * doc/invoke.texi (GNU/Linux Options): New section.
2079 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2081 * config/sparc/sparc.md (setjmp): Rewrite.
2082 (setjmp_32): Delete.
2083 (setjmp_64): Likewise.
2085 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2087 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2090 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2092 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2095 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2097 PR rtl-optimization/26296
2098 * Makefile.in (loop-invariant.c): Add except.h dependency.
2099 * loop-invariant.c: Include except.h.
2100 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2102 2005-02-16 Paul Brook <paul@codesourcery.com>
2104 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2107 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2109 PR rtl-optimization/25636
2110 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2111 when deciding whether an insn is an initializing insn.
2113 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2115 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2116 (tree_code_size): Ditto.
2117 * tree.h (struct tree_memory_tag): Remove parent_var.
2118 (struct tree_struct_field_tag): New.
2121 (union tree_node): Add sft member.
2122 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2124 (create_sft): Add size and offset argument, set SFT_OFFSET and
2126 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2127 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2128 * tree-flow-inline.h (get_subvar_at): Update for
2129 SFT_OFFSET/SFT_SIZE.
2130 (var_can_have_subvars): Ditto.
2131 (overlap_subvar): Ditto.
2132 * print-tree.c (print_node): Print out interesting things for
2134 * tree-flow.h (struct subvar): Remove offset and size members.
2135 * tree-ssa-operands.c (get_expr_operands): Update for
2136 get_indirect_ref_operands changes.
2137 (get_indirect_ref_operands): Call add_virtual_operand instead of
2138 add_stmt_operand. Only recurse on base var if requested.
2139 (access_can_touch_variable): New function.
2140 (add_stmt_operand): Split virtual operand handling into ...
2141 (add_virtual_operand): Here. Add offset, size, and for_clobber
2142 arguments. Prune alias sets.
2143 (add_call_clobber_ops): Call add_virtual_operand.
2145 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2148 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2150 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2151 than TREE_CODE as index into omp_clause_num_ops array.
2153 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2155 PR rtl-optimization/26184
2156 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2158 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2159 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2160 must_precede, must_follow and tobe_scheduled.
2163 * opts.c (common_handle_option): Free new_option pointer.
2164 * df-core.c (df_analyze): Free postorder pointer.
2166 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2168 * Makefile.in: Fix the examples about the use of stamps
2170 2006-02-15 Michael Matz <matz@suse.de>
2174 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2175 influenced by maximum_field_alignment or DECL_PACKED.
2176 (update_alignment_for_field): Ditto.
2177 (place_field): Ditto.
2178 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2181 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2183 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2184 (debug_flow_info): Pass it.
2185 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2186 * bb-reorder.c (reorder_basic_blocks): Likewise.
2187 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2188 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2189 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2190 * gcse.c (gcse_main, bypass_jumps): Likewise.
2191 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2192 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2193 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2194 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2195 * rtl.h (dump_flow_info): Adjust prototype.
2196 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2197 * var-tracking.c (variable_tracking_main): Likewise.
2198 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2199 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2202 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2204 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2207 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2209 PR tree-optimization/26209
2210 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2211 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2213 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2215 2006-02-14 Roger Sayle <roger@eyesopen.com>
2218 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2219 (X,Y) and the corresponding symmetry related transformations.
2220 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2221 (X,Y) and its symmetry related transformations.
2223 2006-02-14 Roger Sayle <roger@eyesopen.com>
2225 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2228 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2230 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2232 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2235 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2236 support COMDAT group.
2237 * configure: Regenerate.
2239 2006-02-14 Roger Sayle <roger@eyesopen.com>
2244 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2246 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2248 Fix PR tree-optimization/26260
2250 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2252 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2253 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2254 * tree-ssa-structalias.c (create_variable_info_for): Use
2255 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2257 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2259 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2261 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2262 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2263 of the ending condition.
2264 * tree-ssa-loop-manip.c: Include params.h.
2265 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2266 tree_unroll_loop): New functions.
2267 * tree-pass.h (pass_loop_prefetch): Declare.
2268 * loop.c (rest_of_handle_loop_optimize): Test for
2269 -fprefetch-loop-arrays-rtl.
2270 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2271 * timevar.def (TV_TREE_PREFETCH): New timevar.
2272 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2273 pass_loop_prefetch): New.
2274 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2275 (cleanup_tree_cfg_loop): Call scev_reset.
2276 * common.opt (fprefetch-loop-arrays-rtl): Add.
2277 * tree-ssa-loop-prefetch.c: New file.
2278 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2279 (new_temp_expr_table): Initialize expr_vars.
2280 (free_temp_expr_table): Cleanup expr_vars.
2281 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2282 expressions from being merged into one.
2283 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2284 (struct tree_niter_desc): Add control, bound and cmp fields.
2285 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2287 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2288 (tree-cfgcleanup.o): Add SCEV_H dependency.
2289 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2290 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2292 2006-02-14 Richard Guenther <rguenther@suse.de>
2294 PR tree-optimization/26258
2295 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2296 in PHI argument processing.
2298 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2300 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2301 new expression in the requested machine mode.
2303 2006-02-13 Roger Sayle <roger@eyesopen.com>
2305 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2306 directly, instead let do_compare_rtx_and_jump handle this for us.
2307 * expr.c (expand_expr_real_1): Likewise.
2308 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2309 before do_jump_by_parts_greater.
2310 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2311 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2313 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2315 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2317 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2319 PR rtl-optimization/26235
2320 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2321 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2324 2006-02-13 Jeff Law <law@redhat.com>
2326 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2329 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2332 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2333 twice if decl is a builtin. When trying again, call get_callee_fndecl
2334 first to verify it is still a builtin.
2336 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2338 * dwarf2out.c (base_type_die): Don't add AT_name here.
2339 (subrange_type_die): Don't add AT_name here.
2340 (modified_type_die): Rearrange code flow. Do add AT_name here.
2342 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2344 PR rtl-optimization/26247
2345 PR rtl-optimization/26248
2346 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2348 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2350 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2351 * config/fixtfdi.c: Likewise.
2352 * config/fixunstfdi.c: Likewise.
2353 * config/floatditf.c: Likewise.
2355 2006-02-13 Roger Sayle <roger@eyesopen.com>
2358 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2359 into (X,C2) if C1 is a subset of the bits of C2. Transform
2360 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2362 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2364 2006-02-13 Josh Conner <jconner@apple.com>
2367 * varasm.c (function_section): Check for section name before
2368 calling select_section on targets that define
2369 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2370 unlikely_text_section instead of hot_function_section if
2371 first_function_block_is_cold.
2373 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2376 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2378 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2380 PR rtl-optimization/26222
2381 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2382 after tree->rtl expansion.
2383 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2384 before passing it to emit_move_insn.
2386 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2388 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2390 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2391 Clarify documentation.
2392 * c-common.h (warn_write_strings): Remove.
2393 * c-common.c (warn_write_strings): Likewise.
2394 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2397 2006-02-12 Roger Sayle <roger@eyesopen.com>
2400 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2401 (do_jump_parts_zero_rtx): New function renamed from
2402 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2403 (do_jump_parts_equality_rtx): New function split out from
2404 do_jump_parts_equality. Old implementation renamed as above.
2405 Call do_jump_parts_zero_rtx if either operand is zero.
2406 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2407 do all of the heavy lifting.
2408 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2409 calling either do_jump_by_parts_greater_rtx or
2410 do_jump_by_parts_equality_rtx.
2411 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2412 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2413 moved to do_compare_rtx_and_jump, call it directly.
2414 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2415 mode argument. Call do_compare_rtx_and_jump.
2416 (emit_case_nodes): Update calls to do_jump_if_equal.
2418 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2420 PR rtl-optimization/26225
2421 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2423 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2425 PR rtl-optimization/26232
2426 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2428 2006-02-11 Jason Merrill <jason@redhat.com>
2431 * tree-inline.c (declare_return_variable): Just don't use the
2432 modify target if it's a gimple complex reg and the return slot
2435 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2437 * doc/contrib.texi: Update my entry.
2439 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2441 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2443 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2445 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2448 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2450 * doc/invoke.texi (-floop-optimize2): Removed.
2451 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2452 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2453 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2454 * common.opt (floop-optimize2): Removed.
2455 (fmove-loop-invariants): Enabled by default.
2457 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2459 * tree-if-conv.c (combine_blocks): Free the result of
2460 get_loop_exit_edges.
2462 2006-02-10 Jeff Law <law@redhat.com>
2464 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2466 PR tree-optimization/26213
2467 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2468 loop trying to follow SSA_NAME_VALUE chains.
2470 2006-02-10 Richard Guenther <rguenther@suse.de>
2472 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2473 deal with structures that end in implicitly variable sized arrays.
2475 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2477 PR rtl-optimization/24762
2478 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2481 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2483 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2484 (struct ivopts_data): Add regs_used field.
2485 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2486 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2487 instead of loop_data->regs_used;
2488 (free_loop_data): Do not free aux fields for loops.
2489 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2490 and tree_ssa_iv_optimize_finalize.
2492 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2494 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2496 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2499 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2500 computing the effective result type.
2502 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2505 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2506 (tree_overlaps_hard_reg_set): Declare.
2507 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2508 type and signature to match function type expected by walk_tree.
2509 (tree_overlaps_hard_reg_set): New function.
2510 (decl_conflicts_with_clobbers_p): Rename to:
2511 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2512 Use tree_overlaps_hard_reg_set. Changed caller.
2513 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2514 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2515 * cris.c (cris_md_asm_clobbers): Likewise.
2517 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2519 * reload1.c (emit_input_reload_insns): Delete code that tries to
2520 inherit using find_equiv_reg.
2522 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2524 * c-common.h (flag_const_strings): Don't declare.
2525 * c-common.c (flag_const_strings): Remove.
2526 * c.opt (fconst_strings): Remove.
2527 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2528 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2529 (c_common_init_options): Don't set flag_const_strings.
2530 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2532 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2534 * arm.md (tlobits_cbranch): New pattern.
2535 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2536 testing a single bit.
2538 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2541 * tree-ssa-pre.c (create_component_ref_by_pieces):
2542 Handle RETURN_DECL like VAR_DECL.
2544 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2547 * fold-const.c (fold_indirect_ref_1): Fold
2548 "*(foo *)&complexfoo" to "__real__ complexfoo"
2549 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2551 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2553 * tree-flow-inline.h (var_can_have_subvars):
2554 Volatile variables should not have subvariables.
2556 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2559 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2560 multiplying unsigned values.
2563 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2565 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2567 2006-02-08 Jason Merrill <jason@redhat.com>
2570 * tree.def: Elaborate on difference from MODIFY_EXPR.
2571 * doc/c-tree.texi (INIT_EXPR): Likewise.
2572 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2573 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2574 (gimplify_target_expr): Likewise.
2575 (gimplify_cond_expr): Remove target handling.
2576 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2577 (gimplify_expr): Clobber it here.
2578 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2579 Do return slot optimization if we have an INIT_EXPR.
2582 * tree-inline.c (declare_return_variable): Also clear
2583 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2586 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2589 * gimplify.c (gimplify_one_sizepos): Fix typo.
2591 2006-02-08 Jeff Law <law@redhat.com>
2593 PR tree-optimization/21417
2594 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2595 across a backedge if the control statement at the end of the
2596 block is data dependent on other statements in the same block.
2597 (record_temporary_equivalences_from_stmts): Remove over-conservative
2598 test for threading across backedges.
2600 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2601 control statement, handle all three special cases in the same
2602 manner as they all have the same desired solution. No longer
2603 special case edge flag updating when the post dominator is
2606 2006-02-08 Roger Sayle <roger@eyesopen.com>
2608 * tree.def (CHAR_TYPE): Remove.
2609 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2610 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2611 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2612 (gen_string_type_die): Delete unreachable function.
2614 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2615 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2616 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2617 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2618 * builtins.c (type_to_class): Likewise.
2619 * fold-const.c (fold_convert, build_range_check,
2620 merge_ranges): Likewise.
2621 * expr.c (count_type_elements): Likewise.
2622 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2623 * stor-layout.c (layout_type): Likewise.
2624 * ipa-type-escape.c (type_to_consider): Likewise.
2625 * gimplify.c (omp_firstprivatize_type_sizes,
2626 gimplify_type_sizes): Likewise.
2627 * explow.c (promote_mode): Likewise.
2628 * tree-sra.c (is_sra_scalar_type): Likewise.
2629 * varasm.c (output_constant): Likewise.
2630 * tree-inline.c (remap_type_1): Likewise.
2631 * convert.c (convert_to_pointer, convert_to_real,
2632 convert_to_integer, convert_to_complex): Likewise.
2634 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2636 * df-scan.c (df_def_record_1): A set destination may
2637 be a parallel regardless of mode.
2639 2006-02-08 Roger Sayle <roger@eyesopen.com>
2642 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2643 * config/mips/_tilib.c: Remove.
2644 * config/fixtfdi.c: New libgcc source file.
2645 * config/fixunstfdi.c: New source file.
2646 * config/floatditf.c: New source file.
2647 * config/floatunditf.c: New souce file.
2648 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2649 files above instead of config/mips/_tilib.c.
2650 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2652 2006-02-08 Jeff Law <law@redhat.com>
2654 PR tree-optimization/26169
2655 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2658 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2660 * df.h (DF_REG_SIZE): Return the length of the initialized
2663 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2665 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2666 __muldf3): Return a correctly signed zero.
2668 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2670 * passes.c (register_one_dump_file): Accept the current properties
2671 instead of pass number. Adjust call to dump_register. Remove
2673 (register_dump_files): Now a wrapper around...
2674 (register_dump_files_1): ... this one. Do not modify the pass
2676 (next_pass_1): Cosmetic fix.
2677 (execute_todo): Keep second parameter only. Use curr_properties
2678 instead of fetching it from the pass structure. Check and set
2680 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2681 instead of fetching it from the pass structure. Fix calls to
2682 execute_todo. Update curr_properties and initialize .vcg RTL dump
2683 after running the pass. Reset last_verified.
2684 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2686 (FIRST_AUTO_NUMBERED_DUMP): New.
2687 (dump_register): Remove "num" parameter, assign it within the
2689 (get_dump_file_name): Modify template for dumps.
2690 * tree-dump.h (dump_register): Adjust prototype.
2691 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2692 (PROP_trees): Add PROP_gimple_lomp.
2693 (TODO_set_props): New.
2694 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2695 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2696 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2698 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2700 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2701 (sparc64-*-linux*): Likewise.
2702 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2703 * config/sparc/t-linux: New file.
2704 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2705 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2706 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2707 -m32 -mlong-double-128.
2709 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2710 * config/alpha/t-linux: New file.
2711 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2713 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2714 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2715 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2716 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2717 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2718 (CPP_ARCH32_SPEC): Remove.
2720 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2722 PR tree-optimization/26145
2723 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2726 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2729 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2730 >= 240000 when generating code for SOM runtime.
2731 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2732 to $$dyncall when generating code for SOM runtime..
2734 2006-02-07 Dirk Mueller <dmueller@suse.com>
2737 * doc/invoke.texi (-Wsequence-point): Update documentation
2738 that -Wsequence-point is implemented for C++ as well.
2740 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2742 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2743 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2744 (LIB_SPEC): Likewise.
2745 * doc/invoke.texi (SPARC options): Document -pthread.
2747 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2749 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2752 2006-02-07 Roger Sayle <roger@eyesopen.com>
2754 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2755 Correct comment describing BOOLEAN_TYPE.
2757 2006-02-07 Dirk Mueller <dmueller@suse.com>
2759 * c.opt: C++ frontend supports -Wdiv-by-zero.
2760 * c-opts.c (c_common_handle_option): Remove dead case.
2762 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2764 * configure.ac (TLS assembler check): Do not enable TLS by
2765 default on SPARC/Solaris before version 10.
2766 * configure: Regenerate.
2768 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2770 * doc/invoke.texi (xl-compat): Document conversion and support
2773 2006-02-07 Jeff Law <law@redhat.com>
2775 * tree-vrp.c (find_conditional_asserts): Update comments.
2776 (simplify_stmt_for_jump_threading): New.
2777 (identify_jump_threads, finalize_jump_threads): New.
2778 (vrp_finalize): Call identify_jump_threads.
2779 (execute_vrp): Call finalize_jump_threads.
2780 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2781 (vrp_element, vrp_data, vrp_element_p): Remove.
2782 (vrp_hash_elt, vrp_variables_stack): Remove.
2783 (vrp_hash, vrp_eq, record_range): Remove.
2784 (simplify_cond_and_lookup_avail_expr): Remove.
2785 (extract_range_from_cond): Remove.
2786 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2787 (simplify_stmt_for_jump_threading): New.
2788 (dom_thread_across_edge): New wrapper.
2789 (tree_ssa_dominator_optimize): No longer initialize or
2790 finalize any of the VRP datastructures. Remove iteration
2791 step and simplify as a result of removal of iteration step.
2792 (pass_dominator): Perform a cfg cleanup after DOM.
2793 (dom_opt_finalize_block): Use the new common routines
2794 for threading jumps. Simplify stack management slightly.
2795 No longer need to unwind VRP state.
2796 (record_equivalences_from_incoming_edge): No longer record
2798 (eliminate_redundant_computations): No longer call
2799 simplify_cond_and_lookup_avail_expr.
2800 * tree-flow.h (potentially_threadable_block): Prototype.
2801 (thread_across_edge): Likewise.
2802 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2803 (tree-ssa-threadedge.o): Add dependencies.
2804 * tree-ssa-threadedge.c: New file.
2805 * passes.c (init_optimization_passes): Merge PHIs before
2806 calling VRP. Run VRP again late in the SSA optimization pipeline.
2808 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2810 * df-core.c (df_set_blocks): Do not dereference function pointers.
2811 (df_finish1): Likewise.
2812 (df_hybrid_search_forward): Likewise.
2813 (df_hybrid_search_backward): Likewise.
2814 (df_iterative_dataflow): Likewise.
2815 (df_analyze_problem): Likewise.
2816 (df_compact_blocks): Likewise.
2817 (df_dump): Likewise.
2818 * df-scan.c (df_rescan_blocks): Likewise.
2819 (df_record_entry_block_defs): Likewise.
2821 * genconditions.c (write_conditions): Guard the definition of
2822 'insn_conditions' with the check on GCC version.
2823 (write_writer): Guard the traversal 'insn_conditions' with
2824 the check on GCC version.
2826 2006-02-07 Richard Guenther <rguenther@suse.de>
2830 2006-01-30 Richard Guenther <rguenther@suse.de>
2832 * gimplify.c (gimplify_target_expr): Handle easy cases
2833 without creating a temporary.
2835 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2837 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2838 use of float in probability computations. Use edge probabilities
2839 in place of statically computed probabilities.
2840 (min_spec_prob): New static variable.
2841 (schedule_insns): Initialize it.
2842 (GET_SRC_PROB): Removed.
2843 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2845 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2848 * config/ia64/unwind-ia64.c: Revert last change.
2849 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2850 (INCOMING_FRAME_SP_OFFSET): Define.
2852 2006-02-06 Roger Sayle <roger@eyesopen.com>
2854 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2856 2006-02-07 Ben Elliston <bje@au.ibm.com>
2858 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2859 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2860 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2861 (ix86_return_in_memory): Handle TDmode.
2862 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2863 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2865 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2867 * reorg.c (dbr_schedule): Use dump_file instead of file.
2869 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2872 * config/ia64/predicates.md (extr_len_operand): New predicate.
2873 * config/ia64/ia64.md (extv): Tighten constraints.
2875 (*tbit_and_2): Ditto.
2876 (*tbit_and_3): Ditto.
2877 (*tbit_or_2): Ditto.
2878 (*tbit_or_3): Ditto.
2882 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2885 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2887 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2889 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2890 loop_optimizer_init and loop_optimizer_finalize
2891 * tree-ssa-sink.c (execute_sink_code): Ditto.
2892 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2893 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2894 tree_ssa_loop_done): Ditto.
2895 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2896 * sched-ebb.c: Include output.h.
2897 (schedule_ebbs): Do not use dump argument.
2898 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2899 * loop.c (loop_dump_stream): Removed.
2900 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2902 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2903 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2904 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2905 loop_iterations, strength_reduce, record_biv, record_giv,
2906 final_giv_value, check_final_value, check_ext_dependent_givs,
2907 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2908 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2909 dump_file instead of loop_dump_stream.
2910 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2912 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2914 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2915 * haifa-sched.c: Include output.h
2916 (schedule_insns, sched_init): Do not use dump argument.
2917 * mode-switching.c (optimize_mode_switching): Ditto.
2918 * modulo-sched.c (stats_file): Removed.
2919 (print_node_sched_params): Do not call argument dump_file.
2920 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2921 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2923 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2925 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2926 rtl_loop_init, rtl_loop_done): Ditto.
2927 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2928 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2930 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2931 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2932 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2933 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2934 * emit-rtl.c (renumber_insns): Ditto.
2935 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2936 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2937 * regclass.c (regclass): Ditto.
2938 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2939 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2940 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2941 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2943 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2944 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2946 * gcse.c (gcse_file, debug_stderr): Removed.
2947 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2948 rest_of_handle_gcse): Do not use dump argument.
2949 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2950 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2951 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2952 compute_code_hoist_vbeinout, compute_code_hoist_data,
2953 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2954 compute_store_table, build_store_vectors, insert_insn_start_bb,
2955 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2956 store_motion): Use dump_file instead of gcse_file.
2957 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2958 * profile.c (profile_dump_file): Removed.
2959 (branch_prob): Use dump_file instead of profile_dump_file.
2960 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2962 * tree-ssa-copy.c (dump_copy_of): Ditto.
2963 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2964 dump file to life_analysis.
2965 * bt-load.c (branch_target_load_optimize): Ditto.
2966 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2968 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2969 regclass, dbr_schedule): Declaration changed.
2970 * sched-int.h (sched_init): Declaration changed.
2971 * tree-profile.c (tree_profile_dump_file): Removed.
2972 (tree_profile_hooks): Removed profile_dump_file hook.
2973 * rtl-profile (rtl_profile_dump_file): Removed.
2974 (rtl_profile_hooks): emoved profile_dump_file hook.
2975 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2977 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2978 * tree-cfg.c (build_tree_cfg): Ditto.
2979 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2980 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2981 Declaration changed.
2982 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2983 life_analysis and schedule_insns.
2984 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2986 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2988 * config/mips/mips.c (mips_reorg): Ditto.
2989 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2992 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2994 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2995 (s390_mangle_fundamental_type): New.
2996 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2999 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3000 (alpha_mangle_fundamental_type): New.
3001 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3004 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3006 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3008 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3009 (sparc_mangle_fundamental_type): New.
3011 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3013 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3014 (s390x-*-linux*): Likewise.
3015 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3016 * config/s390/t-linux: New file.
3018 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3020 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3021 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3023 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3025 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3026 (ANTIC_SAFE_LOADS): New macro.
3027 (find_or_generate_expression): Add prototype.
3028 (set_contains_value): Allow null set for sake of not always having
3029 to allocate ANTIC_SAFE_LOADS.
3030 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3031 Allow COMPONENT_REF too.
3032 (valid_in_set): Allow COMPONENT_REF.
3033 Check ANTIC_SAFE_LOADS too.
3034 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3035 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3037 (can_PRE_operation): Add COMPONENT_REF.
3038 (create_component_ref_by_pieces): New function.
3039 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3040 (insert_aux): Move AGGREGATE_TYPE_P check here.
3041 (compute_avail): Set bb local stmt uids.
3042 (pass_pre): Use TODO_update_ssa_only_virtuals.
3044 2006-02-06 Ben Elliston <bje@au.ibm.com>
3046 * configure.ac: Unconditionally disable decimal float by default.
3047 * configure: Regenerate.
3049 2006-02-06 Ben Elliston <bje@au.ibm.com>
3051 * read-rtl.c (read_name): Terminate reading on EOF.
3053 2006-02-06 Ben Elliston <bje@au.ibm.com>
3055 * dfp.c (decimal_real_arithmetic): Change second argument type
3056 from int to enum tree_code. Do not always return true, but now
3057 return result of any call to decimal_do helper functions.
3058 * dfp.h (decimal_real_arithmetic): Update prototype.
3060 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3062 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3064 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3067 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3070 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3072 * tree-vrp.c (cfg_loops): Removed.
3073 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3074 Use current_loops instead of cfg_loops. Pass flags to
3075 loop_optimizer_init.
3076 * cfgloopmanip.c (fix_loop_structure): Update only available
3078 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3079 loop_optimizer_init.
3080 * modulo-sched.c (build_loops_structure): Removed.
3081 (sms_schedule): Use loop_optimizer_init.
3082 * loop-init.c (loop_optimizer_init): Use flags to determine
3083 which properties of loops to prepare.
3084 (rtl_loop_init): Pass flags to loop_optimizer_init.
3085 * tree-ssa-sink.c (execute_sink_code): Ditto.
3086 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3087 * tree-ssa-pre.c (init_pre): Ditto.
3088 * cfgloop.h (LOOPS_NORMAL): New.
3089 (loop_optimizer_init): Declaration changed.
3091 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3093 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3094 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3096 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3098 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3100 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3101 * pa/t-pa64: Delete quadlib.c rule.
3102 * pa/x-ada: Revert last change.
3103 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3105 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3107 PR rtl-optimization/26087
3108 * rtlanal.c (canonicalize_condition): Do not cross basic block
3111 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3114 * config/ia64/ia64.c: Include debug.h.
3115 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3116 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3117 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3118 (process_epilogue, process_set, process_for_unwind_directive):
3119 Output unwind info only if requested. Add CFA info if requested.
3120 Add new arguments as needed. Adjust callers.
3121 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3123 (DWARF2_FRAME_INFO): Define to zero.
3124 * config/ia64/unwind-ia64.c: Remove code that compensated for
3125 the CFA offset error fixed above.
3126 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3127 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3128 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3129 -funwind-tables and -fexceptions to enable frame info.
3130 (dwarf2out_frame_init): Define initial CFA even if
3131 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3132 DWARF2_UNWIND_INFO is nonzero, not just defined.
3133 (dwarf2out_frame_finish): Output non-EH call frame info only
3134 if DWARF2_FRAME_INFO is nonzero.
3135 (convert_cfa_to_loc_list,
3136 compute_frame_pointer_to_cfa_displacement): Define even if
3137 unwind info is not supported.
3138 (gen_subprogram_die): Use the above unconditionally. Remove
3139 legacy alternate code.
3140 * toplev.c (compile_file): Compile in call to
3141 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3142 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3144 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3145 Jakub Jelinek <jakub@redhat.com>
3147 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3148 IBM extended float format long double as "g" on powerpc*-linux.
3150 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3153 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3154 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3156 2006-02-03 Jason Merrill <jason@redhat.com>
3159 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3162 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3163 on the return slot if it's an NRV.
3165 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3167 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3168 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3169 rewrite_use): Do not handle USE_OUTER.
3170 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3171 add_iv_outer_candidates, may_replace_final_value,
3172 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3173 (find_interesting_uses_op): Functionality of
3174 find_interesting_uses_outer_or_nonlin moved here.
3175 (find_interesting_uses_outside): Use find_interesting_uses_op.
3177 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3180 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3182 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3183 Ulrich Weigand <uweigand@de.ibm.com>
3186 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3187 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3188 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3189 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3191 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3192 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3193 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3194 Define secondary reloads for TFmode moves.
3195 (constant_modes): Add TFmode.
3196 (NR_C_MODES): Set to 8.
3197 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3199 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3200 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3201 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3202 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3203 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3204 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3205 (FPR mode macro): Add TFmode.
3206 (DSF mode macro): New.
3207 (<de>, <dee> mode attributes): Removed.
3208 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3209 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3210 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3211 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3212 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3213 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3214 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3215 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3216 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3217 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3218 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3219 "*negabs<mode>2", "sqrt<mode>2"):
3220 Changed <de> to <xde>. R constraint replaced by <Rf>.
3221 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3223 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3224 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3225 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3227 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3228 "extenddftf2", "extendsftf2"): New expanders.
3229 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3230 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3231 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3232 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3234 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3235 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3236 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3237 __floatditf): Add a GCC_4.1.0 symbol version tag.
3238 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3241 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3244 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3245 Use targetm.binds_local_p instead of TREE_PUBLIC.
3247 2006-02-02 Roger Sayle <roger@eyesopen.com>
3249 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3250 on INTEGER_TYPEs to indicate that it denotes a character type.
3251 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3252 signed_char_type_node, unsigned_char_type_node and char_type_node.
3253 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3254 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3255 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3257 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3258 Daniel Berlin <dberlin@dberlin.org>
3260 * tree-tailcall.c (arg_needs_copy_p): New function.
3261 (eliminate_tail_call): Use arg_needs_copy_p.
3262 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3263 (add_virtual_phis): New function.
3265 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3267 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3268 #ignore instead of #scratch for %g7 .register directive.
3270 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3272 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3275 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3277 * flow.c (calculate_global_regs_live): Assert that there aren't any
3280 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3282 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3284 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3285 bsi_after_labels iterator.
3286 * tree-if-conv.c (find_phi_replacement_condition,
3287 replace_phi_with_cond_modify_expr): Likewise.
3288 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3289 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3291 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3293 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3295 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3298 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3299 array after growing it.
3301 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3304 * fold-const.c (fold_checksum_tree): Change type of buf.
3306 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3308 * reload.c (push_secondary_reload): Initialize t_icode.
3310 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3312 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3313 -msoft-float -mlong-double-128 only issue a warning, but don't
3314 swich to DFmode long double.
3316 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3318 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3319 has a constant equivalent, iterate over equivalents for arg0,
3320 calling simplify_relational_operation and if there's a result
3321 cheaper than X, apply fold_rtx and return the result.
3323 2006-02-01 Jan Hubicka <jh@suse.cz>
3325 * opts.c (no_unit_at_a_time_default): New global variable.
3326 (decode_options): Use it.
3327 * opts.h (no_unit_at_a_time_default): Declare.
3329 2006-02-01 Paul Brook <paul@codesourcery.com>
3331 * function.c (assign_parm_setup_reg): Use function argument promotion
3333 * expr.c (expand_expr_real_1): Use function argument promotion rules
3336 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3338 * gcc.c (process_command): Change j to 'unsigned int'.
3340 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3343 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3344 Use the corrected index for the character
3345 out of the string constant.
3347 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3349 * mode-switching.c (optimize_mode_switching): Fix size
3350 allocated for bb_info[n_entities].
3352 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3354 * gcc.c (main): Correct type that is allocated for
3355 explicit_link_files.
3357 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3359 * config/s390/s390.c (init_alignment_context): Set
3360 ALIAS_SET_MEMORY_BARRIER on the MEM.
3361 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3363 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3366 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3368 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3371 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3373 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3374 * regrename.c: Ditto.
3375 * tree-ssa-loop-im.c: Ditto.
3376 * tree-dump.c: Ditto.
3377 * tree-complex.c: Ditto.
3378 * genrecog.c: Ditto.
3379 * tree-ssa-threadupdate.c: Ditto.
3381 * java/class.c: Ditto.
3382 * java/jcf-parse.c: Ditto.
3383 * java/resource.c: Ditto.
3384 * java/except.c: Ditto.
3385 * java/jvspec.c: Ditto.
3386 * java/jcf-write.c: Ditto.
3387 * java/jcf-path.c: Ditto.
3388 * java/gjavah.c: Ditto.
3389 * java/zextract.c: Ditto.
3390 * java/jcf-io.c: Ditto.
3391 * java/jcf.h: Ditto.
3392 * java/buffer.c: Ditto.
3393 * java/lang.c: Ditto.
3394 * java/parse-scan.y: Ditto.
3395 * java/lex.c: Ditto.
3396 * java/lex.h: Ditto.
3397 * cfgloopmanip.c: Ditto.
3398 * postreload-gcse.c: Ditto.
3399 * tree-ssa-loop-manip.c: Ditto.
3400 * postreload.c: Ditto.
3401 * tree-ssa-loop-ch.c: Ditto.
3405 * diagnostic.c: Ditto.
3407 * genoutput.c: Ditto.
3409 * cfghooks.c: Ditto.
3410 * cfgloopanal.c: Ditto.
3411 * objc/objc-act.c: Ditto.
3413 * genextract.c: Ditto.
3414 * genautomata.c: Ditto.
3415 * pretty-print.c: Ditto.
3417 * cgraphunit.c: Ditto.
3420 * haifa-sched.c: Ditto.
3421 * dominance.c: Ditto.
3423 * tree-ssa-loop-ivopts.c: Ditto.
3425 * mode-switching.c: Ditto.
3426 * modulo-sched.c: Ditto.
3428 * ipa-pure-const.c: Ditto.
3430 * fix-header.c: Ditto.
3432 * tree-stdarg.c: Ditto.
3433 * ipa-utils.c: Ditto.
3434 * loop-init.c: Ditto.
3435 * ipa-inline.c: Ditto.
3438 * alloc-pool.c: Ditto.
3439 * dwarf2out.c: Ditto.
3441 * genattrtab.c: Ditto.
3442 * tree-ssa-loop-ivcanon.c: Ditto.
3446 * fortran/gfortranspec.c: Ditto.
3448 * local-alloc.c: Ditto.
3449 * langhooks.c: Ditto.
3450 * function.c: Ditto.
3451 * tree-vectorizer.c: Ditto.
3453 * ipa-type-escape.c: Ditto.
3455 * tree-if-conv.c: Ditto.
3458 * tree-data-ref.c: Ditto.
3459 * loop-unroll.c: Ditto.
3460 * treelang/treetree.c: Ditto.
3463 * ggc-common.c: Ditto.
3465 * coverage.c: Ditto.
3467 * tree-cfgcleanup.c: Ditto.
3468 * tree-ssa-pre.c: Ditto.
3469 * cfgcleanup.c: Ditto.
3470 * loop-invariant.c: Ditto.
3472 * ipa-prop.c: Ditto.
3473 * print-tree.c: Ditto.
3474 * conflict.c: Ditto.
3475 * ggc-page.c: Ditto.
3476 * sched-deps.c: Ditto.
3477 * regclass.c: Ditto.
3478 * tree-object-size.c: Ditto.
3480 * bb-reorder.c: Ditto.
3481 * resource.c: Ditto.
3482 * var-tracking.c: Ditto.
3484 * df-problems.c: Ditto.
3485 * reg-stack.c: Ditto.
3488 * sched-rgn.c: Ditto.
3489 * tree-ssa-structalias.c: Ditto.
3490 * tree-ssa-reassoc.c: Ditto.
3491 * config/darwin-c.c: Ditto.
3492 * config/darwin.c: Ditto.
3493 * config/arm/arm.c: Ditto.
3495 * collect2.c: Ditto.
3498 2006-01-31 Nicolas Pitre <nico@cam.org>
3500 * arm.md (smaxsi3): Make aware of smax_m1.
3503 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3505 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3507 2006-01-31 Richard Guenther <rguenther@suse.de>
3509 * doc/invoke.texi (-msselibm): Document.
3510 * target.h (expand_library_builtin): New target hook.
3511 * builtins.c (expand_builtin): Use expand_library_builtin.
3512 (default_expand_library_builtin): New function.
3513 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3514 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3515 (link_gcc_math_spec): Declare.
3516 (static_specs): Add link_gcc_math_spec.
3517 * expr.h (default_expand_library_builtin): Declare.
3518 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3519 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3520 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3521 * config/i386/i386.opt (msselibm): New target option.
3522 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3523 (ix86_init_sse_abi_builtins): New function.
3524 (ix86_expand_library_builtin): Likewise.
3525 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3526 (override_options): Handle error conditions wrt -msselibm.
3527 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3528 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3529 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3532 2006-01-31 Richard Guenther <rguenther@suse.de>
3533 Paolo Bonzini <bonzini@gnu.org>
3535 * doc/install.texi (--disable-libgcc-math): Document.
3537 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3539 * expr.h (expand_normal): new inline function.
3540 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3542 * dwarf2out.c: use it.
3547 * config/sparc/sparc.c: use it.
3548 * config/i386/i386.c: use it.
3549 * config/rs6000/rs6000.c: use it.
3550 * config/arm/arm.c: use it.
3551 * config/mips/mips.c: use it.
3552 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3554 2006-01-30 Roger Sayle <roger@eyesopen.com>
3556 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3557 argv to the appropriate type.
3559 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3561 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3564 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3567 * config/s390/s390.c (struct machine_function): New flag
3568 decomposed_literal_pool_addresses_ok_p.
3569 (s390_reorg): Set it before final stage of literal pool transforms.
3570 (s390_decompose_address): Only accept displacements of the form
3571 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3573 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3575 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3576 the comparison routine return.
3578 2006-01-30 Michael Matz <matz@suse.de>
3580 * global.c (find_reg): Only evict for global regs.
3581 Take n_refs into account and dump more info.
3583 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3586 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3587 (pragma_trap, pragma_nosave_low_regs): Likewise.
3588 (current_function_anonymous_args): Likewise.
3589 (sh_deferred_function_attributes): New variable.
3590 (sh_deferred_function_attributes_tail): Likewise.
3591 (print_operand): For '@', look up trap_exit attribute.
3592 (calc_live_regs): Look up trapa_handler attribute. For trapa
3593 handlers, save/restore fpscr, but don't do any other
3594 interrupt-specific saves.
3595 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3596 Fix check for partially saved registers to check for SHmedia.
3597 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3598 (sh_output_function_epilogue): Don't clear any of the removed
3600 (sh_insert_attributes): Don't check pragma_interrupt.
3601 Insert deferred attributes. Check that interrupt attribute is
3602 present for other attributes that require its presence.
3603 (sh_attribute_table): Add new attributes trapa_handler and
3605 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3606 Don't check for pragma_interrupt. Don't store argument.
3607 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3608 (sh_deferred_function_attributes): Declare.
3609 (sh_deferred_function_attributes_tail): Likewise.
3610 * sh.md (sp_switch_1): Add operand. Change generator caller.
3611 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3612 (*return_i): Don't use when trap_exit attribute is in effect.
3613 (*return_trapa): New insn pattern.
3615 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3616 setting c_target_objs and cxx_target_objs.
3617 * t-sh: Add rule for sh-c.o.
3619 2006-01-30 Richard Guenther <rguenther@suse.de>
3622 * gimplify.c (gimplify_target_expr): Handle easy cases
3623 without creating a temporary.
3625 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3627 * vec.h (safe_grow): Remove duplicated line.
3629 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3632 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3633 (expand_omp): ... here.
3634 (expand_omp_parallel): Only remove barriers for combined
3635 parallel+workshare constructs.
3637 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3641 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3642 * tree.c (build_qualified_type): Chain the new type to the original
3643 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3644 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3645 (build_pointer_type_for_mode): Only return unqualified types.
3646 (build_reference_type_for_mode): Likewise.
3648 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3650 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3651 * Makefile.in (CXX_COMPAT_WARN): Define.
3652 * configure: Regenerate.
3654 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3657 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3660 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3662 * toplev.c: Fix thinko.
3664 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3665 Marcin Dalecki <martin@dalecki.de>
3667 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3668 (push_srcloc): Use XNEW.
3669 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3671 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3673 * df-core.c (df_set_blocks): Deleted all variable.
3675 2006-01-28 Ian Lance Taylor <ian@airs.com>
3677 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3678 cgraph_output_pending_asms.
3680 2006-01-28 Zack Weinberg <zackw@panix.com>
3682 * c.opt: Add -W(no-)overlength-strings.
3683 * doc/invoke.texi: Document it.
3684 * c-opts.c (c_common_handle_option): -pedantic implies
3685 -Woverlength-strings, if not explicitly disabled already.
3686 (c_common_post_options): -Woverlength-strings defaults to off, and
3687 is always off for C++.
3688 * c-common.c (fix_string_type): Issue warning about strings longer
3689 than is portable only if warn_overlength_strings. Rearrange code
3690 a little for clarity.
3691 * configure.in: Check for -Wno-overlength-strings as well before
3692 enabling -pedantic in stage 1.
3693 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3694 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3696 * genconditions.c (write_header, write_one_condition)
3697 (write_conditions, write_writer): Consolidate very long strings
3698 that were broken up to fit in C89 portable limit. Don't use
3699 printf when fputs will do.
3701 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3703 * combine.c (simplify_comparison <AND>): Check
3704 TRULY_NOOP_TRUNCATION before start using a subreg.
3706 * config/mips/mips.md (*branch_zero<mode>,
3707 *branch_zero<mode>_inverted, *branch_equality<mode>,
3708 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3709 Remove mode check from comparisons.
3711 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3713 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3715 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3717 * expmed.c (const_mult_add_overflow_p): Remove.
3718 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3720 * recog.c (validate_replace_rtx_subexp): Remove.
3721 * recog.h: Remove the prototype for
3722 validate_replace_rtx_subexp.
3724 * integrate.h: Remove the prototype for
3725 copy_decl_for_inlining.
3726 * rtl.h: Remove the prototype for mark_constant_function.
3727 * tree-vectorizer.h: Remove the prototype for
3728 vect_strip_conversion.
3730 * modulo-sched.c (create_partial_schedule,
3731 free_partial_schedule, reset_partial_schedule): Make them
3734 * hooks.c (hook_bool_rtx_int_false): Remove.
3735 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3737 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3739 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3740 and -mlong-double-128 are incompatible.
3741 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3742 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3743 (TARGET_LIBGCC2_CFLAGS): Define.
3744 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3745 (TARGET_LIBGCC2_CFLAGS): Same.
3746 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3748 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3751 * c-typeck.c (build_binary_op): Perform implicit casts of
3752 operands before shortening them.
3754 * cfgloopmanip.c (split_loop_bb): Remove.
3755 * cfgloop.h: Remove the prototype for split_loop_bb.
3757 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3758 * cfgloop.h: Remove the prototype for
3759 flow_loop_outside_edge_p.
3761 * emit-rtl.c (init_virtual_regs): Make it static.
3762 * function.h: Remove the prototype for init_virtual_regs.
3764 * recog.c (peephole2_optimize): Make it static.
3765 * recog.h: Remove the prototype for peephole2_optimize.
3767 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3769 * df-scan.c (df_record_entry_block_defs): Check if
3770 INCOMING_RETURN_ADDR_RTX is defined.
3772 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3773 Kenneth Zadeck <zadeck@naturalbridge.com>
3775 PR rtl-optimization/24762
3776 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3777 * targhooks.c (hook_void_bitmap): New hook prototype.
3778 * targhoohs.h (hook_void_bitmap): Ditto.
3779 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3780 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3781 * target.h (live_on_entry): New function pointer.
3782 * df-scan.c (df_all_hard_regs): Removed.
3783 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3784 (df_scan_free_internal): Added df->entry_block_defs.
3785 (df_scan_alloc): Ditto.
3786 (df_scan_dump): Ditto.
3787 (df_uses_record): Plumbed flag field properly thru calls.
3788 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3789 This part fixes PR24762.
3790 (df_bb_refs_record): Added code to make the frame and arg
3791 pointers live in EH blocks.
3792 (df_refs_record): Added call to df_record_entry_block_defs.
3793 (df_record_entry_block_defs): New function.
3794 * df-core.c: Added comments to describe new artifical defs.
3795 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3796 (entry_block_defs): New field in struct df.
3797 (df_all_hard_regs): Deleted.
3798 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3799 * df-problems.c (df_ru_bb_local_compute_process_def):
3800 Added code to handle artifical defs in the entry to a function.
3801 (df_ru_bb_local_compute): Ditto.
3802 (df_rd_bb_local_compute_process_def): Ditto.
3803 (df_rd_bb_local_compute): Ditto.
3804 (df_lr_bb_local_compute): Ditto.
3805 (df_ur_bb_local_compute): Ditto.
3806 (df_urec_bb_local_compute): Ditto.
3807 (df_chain_create_bb): Ditto.
3808 (df_ur_local_finalize): Removed entry.
3809 (df_urec_init): Ditto.
3810 (df_urec_local_finalize): Ditto.
3811 (df_ri_bb_compute): Added detection of last use of pseudos.
3812 * Makefile.in (df-scan.o): Updated dependencies.
3813 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3814 * config/mips/mips.c (mips_set_live_on_entry): Added.
3815 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3817 * dce.c (marked_insn_p): Added code to handle artifical defs.
3819 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3821 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3823 (_mm_cvtsi128_si64): Likewise.
3824 (_mm_cvtsd_si64): Likewise.
3825 (_mm_cvttsd_si64): Likewise.
3826 (_mm_cvtsi64_sd): Likewise.
3827 (_mm_cvtsi64_si128): Likewise.
3828 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3829 (_mm_cvtsi64_m64): Likewise.
3830 (_m_to_int64): Likewise.
3831 (_mm_cvtm64_si64): Likewise.
3832 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3833 (_mm_cvttss_si64): Likewise.
3834 (_mm_cvtsi64_ss): Likewise.
3835 (_mm_cvtss_f32): Likewise.
3837 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3839 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3840 for pragma redefine_extname.
3842 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3845 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3846 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3847 -mno-minimal-toc to previous content.
3848 (bispecs): Remove goal.
3849 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3850 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3851 compatibility aliases on powerpc-*-*gnu*.
3852 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3853 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3854 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3855 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3856 (ldblspecs): New goal.
3857 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3858 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3860 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3861 L_sf_to_tf or L_df_to_tf is defined.
3863 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3864 Alan Modra <amodra@bigpond.net.au>
3867 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3868 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3869 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3870 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3871 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3872 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3873 (rs6000_override_options): Initialize rs6000_ieeequad.
3874 Initialize TFmode format to ibm_extended_format if not
3876 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3878 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3879 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3880 (function_arg_advance): IBM long double passed in two FPRs, not
3882 (function_arg): IBM long double passed in FPRs.
3883 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3884 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3885 Only multireg GPR aligned.
3886 (rs6000_init_libfuncs): Enable IBM long double functions if not
3888 (rs6000_generate_compare): Use IBM long double compare if not
3890 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3891 (TARGET_IEEEQUAD): Define.
3892 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3893 not TARGET_IEEEQUAD.
3894 * config/rs6000/rs6000.md: Enable TFmode patterns if
3896 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3897 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3898 and -mlong-double-128 are incompatible.
3899 * doc/invoke.texi (-mabi): Collect options together. Add
3900 ibmlongdouble and ieeelongdouble.
3902 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3904 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3906 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3907 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3908 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3909 * rtl.h (rtunion_def): Remove rt_ptr.
3911 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3912 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3913 * config/i386/winnt.c (i386_pe_mark_dllexport)
3914 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3916 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3918 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3920 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3924 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3925 pthread_key_delete. From John David Anglin. gthrw-ify
3926 pthread_getunique_np only if it it's not a macro. Delete
3928 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3929 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3930 __gthread_objc_condition_signal, __gthread_key_delete): Add
3931 "__attribute__ ((__unused__))" to unused arguments.
3932 (__gthread_recursive_mutex_init_function): Add missing return.
3933 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3934 gthr-posix95.h: Use macro-based approach for name redirection
3935 on targets missing weakref.
3937 2006-01-26 Zack Weinberg <zackw@panix.com>
3939 * genconditions.c (write_header): In generated code, #ifdef out
3940 all includes and fake declarations, except includes of bconfig.h
3941 and system.h, unless GCC_VERSION >= 3001. Do not include
3942 gensupport.h in any case.
3943 (write_conditions): Generate a definition of struct c_test. Add
3944 a comment to the generated #endif.
3945 (write_one_condition): Escape backslashes in string too.
3946 (write_writer): Generated code must escape backslashes and quote
3947 marks (but not newlines) in the strings it writes.
3948 * Makefile.in (build/gencondmd.o): Update dependencies.
3950 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3953 * Makefile.in (insn-automata.o): Add header file dependencies.
3954 * genautomata.c: Add includes.
3956 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3959 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3961 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3963 * configure.ac: Expect target tools paths to be passed from the toplevel
3964 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3966 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3968 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3971 * c.opt (Wpointer-sign): Init to -1.
3972 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3973 OPT_pedantic, to 0 otherwise.
3974 * doc/invoke.texi: Update.
3976 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3978 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3979 constants provided by 80387 instructions in the destination mode.
3981 2006-01-26 Richard Guenther <rguenther@suse.de>
3982 Andrew Pinski <pinskia@physics.uc.edu>
3985 partial PR tree-opt/17064
3986 * tree-ssa-structalias.c (intra_create_variable_infos):
3987 Create heap variables for incoming parameters if
3988 flag_argument_noalias > 1.
3989 (find_what_p_points_to): Look through default defs of
3992 2006-01-26 Jeff Law <law@redhat.com>
3995 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3996 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3997 within the VR_RANGE, use the VR_RANGE as the result, not the
3999 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4000 bounds for the type.
4002 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4004 * tree-ssa-alias.c (maybe_create_global_var): Change
4005 subvar walking to an assertion that we don't have subvar'd variables.
4007 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4010 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4011 Use a new variable, inner. PARM_DECLs are always non-weak.
4013 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4015 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4018 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4020 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4022 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4024 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4025 (smax_insn, smin_insn, smax_0, smin_0): New.
4027 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4030 * config/cris/cris.c (cris_order_for_addsi3): New function.
4031 * config/cris/cris-protos.h: Prototype it.
4032 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4033 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4034 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4035 (split for "op.S1 [rx=rx+i],ry (swapped)")
4036 (split for "op(s|u).S1 [rx=rx+i],ry")
4037 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4038 Apply cris_order_for_addsi3 when generating addsi3 insns.
4040 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4042 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4043 (TREE_BLOCK): Add call to EXPR_CHECK.
4045 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4048 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4049 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4050 (dump_omp_clauses): ... here.
4051 (dump_generic_node): Handle OMP_CLAUSE.
4052 * tree.c (omp_clause_num_ops): New.
4053 (omp_clause_code_name): New.
4054 (tree_code_size): Handle OMP_CLAUSE.
4055 (tree_size): Likewise.
4056 (make_node): Document handling of OMP_CLAUSE.
4057 (tree_node_structure): Handle OMP_CLAUSE.
4058 (omp_clause_check_failed): New.
4059 (omp_clause_range_check_failed): New.
4060 (omp_clause_operand_check_failed): New.
4061 (build_omp_clause): New.
4062 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4063 * tree.h (enum omp_clause_code): Declare.
4064 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4065 (OMP_CLAUSE_RANGE_CHECK): Define.
4066 (OMP_CLAUSE_ELT_CHECK): Define.
4067 (omp_clause_check_failed): Declare.
4068 (omp_clause_operand_check_failed): Declare.
4069 (omp_clause_range_check_failed): Declare.
4070 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4071 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4072 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4073 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4074 (OMP_CLAUSE_IF_EXPR): Likewise.
4075 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4076 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4077 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4078 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4079 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4080 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4081 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4082 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4083 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4084 (OMP_CLAUSE_CODE): Define.
4085 (OMP_CLAUSE_SET_CODE): Define.
4086 (OMP_CLAUSE_CODE): Define.
4087 (OMP_CLAUSE_OPERAND): Define.
4088 (struct tree_omp_clause): Declare.
4089 (union tree_node): Add field 'omp_clause'.
4090 * treestruct.def (TS_OMP_CLAUSE): Define.
4091 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4092 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4093 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4094 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4095 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4096 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4097 (OMP_CLAUSE): Define.
4098 * print-tree.c (print_node): Handle OMP_CLAUSE.
4099 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4100 * c-typeck.c: Likewise.
4101 * gimplify.c: Likewise.
4102 * c-omp.c: Likewise.
4103 * tree-nested.c: Likewise.
4104 * tree-inline.c: Likewise.
4105 * c-parser.c: Likewise.
4106 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4109 2006-01-25 Roger Sayle <roger@eyesopen.com>
4111 PR rtl-optimization/25703
4112 * combine.c (try_combine): Handle zero_extract and strict_low_part
4113 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4115 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4117 * global.c: Fix comment typos.
4119 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4122 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4123 Use output_addr_const instead of assemble_name.
4125 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4127 * Makefile.in (sched-vis.o): Update dependencies.
4128 * haifa-sched.c (sched_finish): Clear current_sched_info.
4129 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4130 (dump_flow_info): Call it.
4131 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4133 * basic-block.h (dump_bb_info): Declare.
4134 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4135 option, and apply options only for dump files whose TDF_RTL,
4136 TDF_TREE, or TDF_IPA bits match.
4137 * rtl.h: Declare new functions exported from sched-vis.c.
4138 * sched-vis.c: Enable also if scheduling is not used.
4139 (print_value): Print the mode of registers if not inside scheduling.
4140 (print_insn): Make it work outside the scheduler. Beautify the output
4142 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4144 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4146 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4147 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4148 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4149 depending on the value of CONSTANT_POOL_ADDRESS_P.
4150 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4152 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4153 rather than SYMBOL_REF_DECL.
4154 (rtx_constant_pool): Remove const_rtx_sym_htab.
4155 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4156 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4157 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4158 Remove handling of const_rtx_sym_htab.
4159 (find_pool_constant): Delete.
4160 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4161 rather than find_pool_constant.
4162 (get_pool_constant_for_function): Delete.
4163 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4165 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4166 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4167 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4168 (SYMBOL_REF_CONSTANT): New macro.
4169 (get_pool_constant_for_function): Delete.
4170 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4171 rather than SYMBOL_REF_DECL.
4172 (i386_pe_mark_dllimport): Likewise.
4173 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4174 rather than SYMBOL_REF_DECL.
4175 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4176 (machopic_indirect_call_target): Likewise.
4178 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4180 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4182 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4184 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4186 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4188 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4190 2006-01-24 David Daney <ddaney@avtrex.com>
4193 * configure.ac (enable_tls): New enable option.
4194 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4195 * configure: Regenerate.
4196 * doc/install.texi (--enable-tls): Document new option.
4197 (--disable-tls): Ditto.
4199 2006-01-24 Richard Henderson <rth@redehat.com>
4201 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4202 * alias.c (true_dependence): Respect it.
4203 (canon_true_dependence, write_dependence_p): Likewise.
4204 * builtins.c (get_builtin_sync_mem): Set it.
4206 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4208 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4211 2006-01-24 DJ Delorie <dj@redhat.com>
4213 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4214 for storing constants in single-bit bitfields.
4216 2006-01-25 Ben Elliston <bje@au.ibm.com>
4218 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4220 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4223 * tree-ssa-pre.c (phi_translate): Return NULL
4224 for AGGREGATE_TYPE's.
4226 2006-01-24 Zack Weinberg <zackw@panix.com>
4228 * genautomata.c (process_state_for_insn_equiv_partition):
4229 Use xcalloc for insn_arcs_array.
4230 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4231 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4233 2006-01-24 Richard Henderson <rth@redhat.com>
4235 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4238 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4240 PR rtl-optimization/25890
4241 PR rtl-optimization/25905
4242 * combine.c (expand_compound_operation, expand_field_assignment):
4243 Fail if the bitfield's final position is out of bounds.
4245 2006-01-24 Ian Lance Taylor <ian@airs.com>
4248 * cgraphunit.c (cgraph_output_in_order): Don't clear
4249 cgraph_asm_nodes until after asm strings have been output.
4251 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4253 * fix-header.c (read_scan_file): Add new parameter imultilib when
4254 calling register_include_chains.
4256 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4258 * omp-low.c: Update documentation.
4260 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4261 Daniel Berlin <dberlin@dberlin.org>
4265 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4266 return from the function.
4268 2006-01-22 Zack Weinberg <zackw@panix.com>
4270 * rtl.def (match_code): Add second argument.
4271 * genpreds.c (write_extract_subexp): New function.
4272 (write_match_code): Add path argument. Use write_extract_subexp.
4273 (write_predicate_expr): Pass path to write_match_code.
4274 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4275 not perform a mode test.
4276 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4277 a subexpression does not constrain the top-level code set.
4278 * read-rtl.c (read_rtx_variadic): New function.
4279 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4280 * doc/md.texi: Document new notation.
4281 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4282 (cmpsi_operand): ... here, using new notation.
4284 2006-01-22 Zack Weinberg <zackw@panix.com>
4286 * varray.c: Remove GENERATOR_FILE #ifdefs.
4288 2006-01-22 Zack Weinberg <zackw@panix.com>
4290 * genautomata.c (output_reserved_units_table): Emit nothing if
4291 description->query_units_num is zero. Remove extra blank line.
4292 (output_cpu_unit_reservation_p): Short circuit
4293 if description->query_units_num is zero.
4295 2006-01-22 Zack Weinberg <zackw@panix.com>
4297 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4298 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4299 nor any of the random handful of variables that used to be necessary
4300 when this program was linked with rtlanal.o. Prune set of forward
4301 function declarations.
4302 (struct attr_desc): Remove static_p field.
4303 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4304 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4305 (attr_string): Do not read the character one past the length of
4307 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4308 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4309 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4310 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4311 (make_automaton_attrs): New.
4312 (main): Do not call into genautomata. Call local gen_bypass
4313 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4314 Remove special case for insn_alts.
4315 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4316 varray.h (leftover from previous change). Prune set of forward
4317 function declarations. Remove state_alts fields from all
4318 structures. Remove state_alts_table from struct automaton.
4319 Make everything except main static. Do not maintain num_dfa_decls.
4320 Do not maintain state_alts fields of various structures.
4321 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4322 (add_arc): Remove state_alts argument. All callers updated.
4323 (output_reserved_units_table): Emit #ifdef here...
4324 (output_tables): ...not here. Don't generate state_alts tables.
4325 (expand_automata): Don't generate attributes.
4326 (write_automata): Don't generate state_alts functions.
4327 (main): New function.
4328 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4329 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4330 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4331 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4332 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4333 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4334 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4335 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4337 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4338 * genattrtab.h: Delete file.
4339 * Makefile.in (OBJS-common): Add insn-automata.o.
4340 (insn-automata.o): New rule.
4341 (simple_generated_c): Add insn-automata.c.
4342 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4343 (genprogmd): Add automata.
4344 (build/genattrtab): Needs no extra objects nor libraries.
4345 (build/genautomata): Needs build/vec.o and -lm.
4347 2006-01-22 Zack Weinberg <zackw@panix.com>
4349 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4350 (output_dfa_max_issue_rate, locked_states_num): Delete.
4351 (struct automaton): Add locked_states field.
4352 (output_dead_lock_vect): Save number of locked states in
4353 automaton->locked_states. If it is zero, don't print anything.
4354 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4355 (output_internal_dead_lock_func): Only test the dead_lock_vect
4356 for automata that have locked states.
4357 (output_statistics): Always print the number of locked states for
4358 each automaton. Calculate total number of locked states here.
4359 (write_automata): Don't call output_dfa_max_issue_rate.
4360 * genattrtab.c: Define length_unit_log as a const variable.
4361 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4362 max_insn_queue_index const.
4363 * final.c (length_unit_log): Declare const.
4364 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4366 2006-01-22 Zack Weinberg <zackw@panix.com>
4368 * genautomata.c: Include vec.h, not varray.h.
4369 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4370 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4371 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4372 VEC_* macros operating on appropriately typed vectors, or to
4373 malloced arrays when the size is known in advance. Const-ify
4374 many char* variables and function arguments. No functional changes.
4375 * Makefile.in (build/varray.o): Delete rule.
4376 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4377 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4379 2006-01-22 Zack Weinberg <zackw@panix.com>
4381 * gensupport.c: Define get_insn_name and record_insn_name here.
4382 (read_md_rtx): Call record_insn_name as appropriate.
4383 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4384 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4385 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4387 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4388 (BUILD_VARRAY): Delete.
4389 (genprognormal): Rename genprogmd. Fold in all programs from
4390 genprognoprint; also attrtab.
4391 (build/genattrtab): Just mention genautomata.o and varray.o.
4392 Reorganize a bit, add comments to make the categories clearer.
4394 2006-01-22 Zack Weinberg <zackw@panix.com>
4396 * genconditions.c (condition_table, add_condition): Delete.
4397 (write_conditions): Don't emit n_insn_conditions nor
4398 insn_elision_unavailable. Issue the gcc version #ifdef here,
4399 inside the table, with no #else clause ...
4400 (write_header): ...not here.
4401 (write_writer): New function.
4402 (main): Don't initialize condition_table. Use add_c_test.
4404 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4405 files on the command line.
4406 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4407 Return -1 if there is no entry in the table, don't abort.
4408 (add_c_test, traverse_c_tests): New functions.
4409 * gensupport.h (insn_elision_unavailable, insn_conditions)
4410 (n_insn_conditions): Delete declarations.
4411 (add_c_test, traverse_c_tests): Declare.
4412 * read-rtl.c: Include gensupport.h.
4413 (read_conditions): New function.
4414 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4415 (read_rtx_1): If we get EOF when we were looking for an initial
4416 open paren, return 0. Call read_conditions when appropriate.
4417 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4418 dummy-conditions.o. Eliminate references to insn-conditions.o,
4419 or change them to build/gencondmd.o, as appropriate. Remove
4420 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4421 from $(simple_generated_c). For all files remaining in those
4422 two lists, add insn-conditions.md to the generator command line.
4423 Give insn-constants.h/s-constants their own rules. Add rules
4424 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4425 (build/read-rtl.o): Depend on gensupport.h.
4426 (genprognormal): Include preds.
4427 (genprogearly): Rename genprognoprint; only difference is now that
4428 they don't link with $(BUILD_PRINT).
4429 * dummy-conditions.c: Delete.
4431 2006-01-22 Zack Weinberg <zackw@panix.com>
4433 * genextract.c: Don't include insn-config.h. Do include vec.h.
4434 Declare vectors of int, char, and locstr.
4435 (locstr): New typedef.
4436 (struct extraction): Make all array fields into bare pointers.
4437 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4438 (insn_code_number): Delete.
4439 (accum_extract): New struct.
4440 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4441 (gen_insn): Take insn_code_number as an argument. Use an
4442 accum_extract structure instead of loading data directly into
4443 a struct extraction, and having to know how big it might get.
4444 (walk_rtx): Operate entirely on an accum_extract structure.
4445 (print_path): Avoid unnecessary use of printf.
4446 (print_header): New function, split out of main. Distinguish
4447 more carefully between an unrecognizable insn and an insn that
4448 has the code number of a define_expand.
4449 (main): Pass insn_code_number to gen_insn. Call print_header
4450 only after parsing. Avoid unnecessary use of printf.
4451 * Makefile.in (build/vec.o): New rule.
4452 (build/genextract): Depend on build/vec.o.
4453 (build/genextract.o): Don't depend on insn-config.h.
4455 2006-01-22 Zack Weinberg <zackw@panix.com>
4457 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4458 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4459 practical. Eliminate per-generator-program link rules.
4461 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4464 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4465 with a call expr to ...
4466 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4468 2006-01-23 Richard Guenther <rguenther@suse.de>
4470 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4471 before make_edge with conditional EDGE_TRUE_VALUE.
4473 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4474 Jan Hubicka <jh@suse.cz>
4475 Richard Guenther <rguenther@suse.de>
4477 PR rtl-optimization/25654
4478 * cfgexpand.c (aggregate_contains_union_type): New function.
4479 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4480 for structure variables that contain a union type.
4482 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4484 * gengtype.c (new_structure): Return the structure.
4485 (create_option): Add an extra "next" argument.
4486 (create_field): New function.
4487 (adjust_field_rtx_def): Use create_option and create_field.
4488 Remove a now-unnecessary call to find_structure.
4489 (adjust_field_tree_def): Likewise.
4490 (note_yacc_type): Remove an unnecessary call to find_structure.
4491 * gengtype.h (new_structure): Return the structure.
4492 (create_option): Add an extra argument.
4493 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4494 (option): Adjust calls to create_option.
4496 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4498 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4500 2006-01-22 Paul Brook <paul@codesourcery.com>
4501 Peter Barada <peter@the-baradas.com>
4503 * config/m68k/m68k.md: Add Coldfire FPU support.
4504 Define FP mode macro and associated attributes.
4505 Use it for float mode patterns.
4506 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4507 (LIBCALL_VALUE): Use m68k_libcall_value.
4508 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4509 (m68k_function_value): Ditto.
4510 (emit_move_sequence): Ditto.
4511 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4512 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4513 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4514 (MULTILIB_EXCEPTIONS): Ditto.
4515 * config/m68k/m68k.opt: Add mcfv4e.
4516 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4517 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4518 (m68k_output_function_prologue): Save ColdFire FPU registers.
4519 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4520 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4521 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4522 ColdFire FPU registers.
4523 (m68k_libcall_value, m68k_function_value): New functions.
4524 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4525 (LIBCALL_VALUE): Use m68k_libcall_value.
4526 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4527 (MASK_COLDFIRE): Add MASK_CFV4E.
4528 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4529 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4530 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4531 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4532 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4533 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4534 * doc/invoke.tex: Document -mcfv4e on m68k.
4536 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4538 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4541 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4544 * c-opts.c (c_common_handle_option): Don't include
4545 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4546 * doc/invoke.texi (C++ Dialect Options): Document that
4547 -Wnon-virtual-dtor is no longer included in -Wall.
4549 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4551 * gcov.c (print_version), gcov-dump.c (print_version),
4552 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4555 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4557 * df-scan.c (problem_SCAN): Added NULL reset function.
4558 (df_scan_reset_blocks): Added code to call reset block function
4559 (df_bb_refs_delete) Fixed comment.
4560 (df_insn_refs_delete): Made tolerant of deleting non existent info
4561 for dataflow problems that need to be reset.
4562 * df-core.c (df_set_blocks): Ditto.
4563 * df.h (struct df_problem): Added reset_fun.
4564 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4565 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4566 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4567 functions to clear out all references to def-use or use-def chains.
4569 2006-01-21 Ben Elliston <bje@au.ibm.com>
4571 * varasm.c (assemble_real): Initialise data array.
4573 2006-01-20 Paul Brook <paul@codesourcery.com>
4575 Merge from csl-arm-branch.
4576 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4577 * config/arm/arm.md (movdi): Force operands[1] to a register
4578 if we have a non-register source.
4579 (*arm_movdi, *movdf_soft_insn): Require that one of the
4580 operands be a register.
4581 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4582 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4584 2006-01-20 DJ Delorie <dj@redhat.com>
4586 * varasm.c (initialize_constant_valid_p): Allow pointers
4587 initialized from integer constants of lesser precision.
4588 (output_constant): Allow non-int-sized pointer modes to be
4589 initialized from integer constants.
4591 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4594 * cppdefault.h (struct default_include): Add multilib flag.
4595 * cppdefault.c (cpp_include_defaults): Set it.
4596 * c.opt (-imultilib): New option.
4597 * c-opts.c (imultilib): New.
4598 (c_common_handle_option): Handle -imultilib.
4599 (c_common_post_options): Likewise.
4600 * c-incpath.c (add_standard_paths, register_include_chains):
4602 * c-incpath.h (register_include_chains): Add extra parameter.
4603 * gcc.c (do_spec_1): Generate -imultilib option.
4604 (The Specs Language): Update %I description.
4605 (process_command): Update copyright notice.
4606 * doc/cppopts.texi (-imultilib): Document.
4607 * doc/invoke.texi (-imultilib): Include in option summary.
4608 (%I): Update specs documentation.
4610 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4612 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4614 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4616 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4619 2006-01-20 Richard Guenther <rguenther@suse.de>
4620 Steven Bosscher <stevenb.gcc@gmail.com>
4622 PR rtl-optimization/24626
4623 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4624 EDGE_TRUE_VALUE if in RTL mode.
4627 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4628 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4630 2006-01-20 Dirk Mueller <dmueller@suse.com>
4633 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4634 instead of a special NOP marker.
4635 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4636 NOP marker handling.
4637 * c-common.h (empty_body_warning): Add forward declaration.
4638 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4639 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4641 2006-01-20 Paul Brook <paul@codesourcery.com>
4643 * Makefile.in (lang_checks): Keep going if mkdir fails.
4645 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4647 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4648 be able to clean out basic block when not necessary.
4649 (df_scan_free): Fixed to properly delete information if df is
4650 unused before calling df_finish.
4651 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4652 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4654 (df_bb_refs_delete): New function.
4655 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4656 * df-core.c (df_set_blocks): Added code to properly clean out
4657 unused blocks if they are not part of the blocks to consider.
4658 Added additional null check.
4659 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4660 be able to clean out basic block when not necessary
4661 * df.h (df_free_bb_function): Ditto.
4662 (df_bb_refs_delete): New function.
4663 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4664 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4665 basic block parameter to be able to clean out basic block when not
4667 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4668 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4669 Fixed to properly delete information if df is unused before
4672 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4674 PR rtl-optimization/25799
4675 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4676 Corrected confluence operator to remove bits from op2 before oring
4677 with op1 rather than removing bits from op1.
4678 (df_ru_transfer_function): Corrected test on wrong bitmap which
4679 caused infinite loop. Both of these problems were introduced in
4680 the dataflow rewrite.
4682 2006-01-19 DJ Delorie <dj@redhat.com>
4684 * reload1.c (find_reload_regs): Note the details of reload
4685 failures in the dump file.
4686 (spill_failure): Likewise.
4688 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4690 * loop-iv.c: Include df.h and hashtab.h.
4691 (enum iv_grd_result): New enum.
4692 (DF_REF_IV, DF_REF_IV_SET): New macros.
4693 (struct biv_entry): New.
4694 (df, bivs): New global variables.
4695 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4696 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4698 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4699 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4700 analyzed_for_bivness_p, record_biv): New functions.
4701 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4702 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4703 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4705 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4707 (iv_number_of_iterations): Use new interface to iv analysis.
4708 * loop-unroll.c: Do not include varray.h.
4709 (analyze_iv_to_split_insn): Use new interface to iv
4711 * loop-unswitch.c (may_unswitch_on): Ditto.
4712 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4714 (df_bb_modify): Realloc tables to the new index.
4715 (df_find_use): New function.
4716 * df.h (df_find_use): Declare.
4717 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4719 * cfgloop.h (struct rtx_iv): Remove analysed field.
4720 (iv_get_reaching_def): Removed.
4721 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4722 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4723 (loop-iv.o): Add df.h and hashtab.h dependency.
4724 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4726 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4729 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4731 (__floatundisf, __floatundidf): Likewise.
4732 * libgcc2.h (IS_IBM_EXTENDED): Define.
4734 2006-01-19 DJ Delorie <dj@redhat.com>
4736 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4738 2006-01-19 Paul Brook <paul@codesourcery.com>
4740 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4741 as nothrow when unwinding tables are disabled.
4743 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4746 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4747 of bit-field" when in system header.
4749 2006-01-19 DJ Delorie <dj@redhat.com>
4751 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4752 the 16 bit shift limit of the m16c.
4754 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4757 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4758 * config/i386/i386.c (output_set_got): Output the label if we have one
4759 for the TARGET_DEEP_BRANCH_PREDICTION case.
4761 2006-01-19 Jan Hubicka <jh@suse.cz>
4762 H.J. Lu <hongjiu.lu@intel.com>
4763 Evandro Menezes <evandro.menezes@amd.com>
4765 * invoke.texi (generic): Document
4767 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4768 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4769 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4770 (x86_use_incdec, x86_pad_returns): New variables
4771 (TARGET_CPU_DEFAULT_generic): New constant
4772 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4773 (enum processor_type): Add generic32 and generic64.
4774 * i386.md (cpu attribute): Add generic32/generic64
4775 (movhi splitter): Behave sanely when both partial_reg_dependency and
4776 partial_reg_stall are set.
4777 (K8 splitters): Enable for generic as well.
4778 * predicates.md (incdec_operand): Use TARGET_INCDEC
4779 (aligned_operand): Avoid memory mismatch stalls.
4780 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4781 * ppro.md: Enable for generic32
4782 * i386.c (generic64_cost, generic32_cost): New.
4783 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4784 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4785 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4786 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4787 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4788 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4789 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4790 x86_accumulate_outgoing_args, x86_prologue_using_move,
4791 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4792 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4794 (x86_use_incdec, x86_pad_returns): New.
4795 (override_options): Add generic32 and generic64, translate "generic"
4796 to generic32/generic64 and "i686" to "generic32", refuse
4797 "generic32"/"generic64" as arch target.
4798 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4799 (ix86_reorg): Honor PAD_RETURNS.
4801 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4803 * tree-pretty-print.c (dump_generic_node): Handle
4804 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4805 * cgraph.c (cgraph_expand_queue): Rename from
4806 cgraph_analyze_queue. Update all users.
4807 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4808 cgraph_expand_queue.
4809 (cgraph_expand_all_functions): Likewise.
4810 (cgraph_finalize_pending_functions): Remove. Update callers.
4812 * tree.h (OMP_DIRECTIVE_P): Define.
4813 (OMP_PARALLEL_FN): Define.
4814 (OMP_PARALLEL_DATA_ARG): Define.
4815 (OMP_SECTIONS_SECTIONS): Define.
4816 * tree-pass.h (pass_expand_omp): Declare.
4817 * omp-low.c (struct omp_region): Declare.
4818 (struct omp_context): Remove fields 'parallel_type',
4819 'parallel_start_ix' and 'parallel_start_additional_args'.
4821 (struct omp_for_data): Rename from struct expand_omp_for_data.
4822 (omp_regions): New static variable.
4823 (root_omp_region): New static variable.
4824 (find_omp_clause): Make static.
4825 (is_in_combined_parallel_ctx): Remove.
4826 (is_combined_parallel): New.
4827 (extract_omp_for_data): Move earlier in the file.
4828 (workshare_safe_to_combine_p): New.
4829 (get_ws_args_for): New.
4830 (determine_parallel_type): Move earlier in the file.
4831 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4833 (omp_copy_decl): Likewise.
4834 (create_omp_child_function): Likewise.
4835 (lookup_omp_region): New.
4836 (dump_omp_region): New.
4837 (debug_omp_region): New.
4838 (debug_all_omp_regions): New.
4839 (new_omp_region): New.
4840 (scan_omp_parallel): If parallel_nesting_level > 1, the
4841 directive is nested within another parallel directive.
4842 Set OMP_PARALLEL_FN.
4843 (scan_omp_for): Do not try to handle combined parallel+for
4845 Remove FIXME comment.
4846 (scan_omp_nested): Remove.
4847 (scan_omp_1): Do not call scan_omp_nested when
4848 parallel_nesting_level is > 1.
4849 Do not change the DECL_CONTEXT of local variables found.
4850 (lookup_decl_in_outer_ctx): New.
4851 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4852 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4853 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4854 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4855 If CTX is nested, lookup VAR in the outer context when
4856 building copy assignment.
4857 (lower_send_clauses): Rename from expand_send_clauses.
4858 If CTX is nested, lookup VAR in the outer context when
4859 building copy assignments.
4860 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4861 If CTX is nested, lookup VAR in the outer context when
4862 building copy assignments.
4863 (expand_parallel_call): Rename from build_parallel_call.
4864 Handle combined parallel+workshare cases.
4865 Re-implement to emit code into the CFG.
4867 (expand_omp_parallel): Re-implement to emit code into the CFG.
4868 Call move_sese_region_to_fn to outline the sub-graph
4869 containing the parallel region.
4870 (expand_omp_for_1): Remove.
4871 (expand_omp_for_generic): Re-implement to emit code into the
4873 (expand_omp_for_static_nochunk): Likewise.
4874 (expand_omp_for_static_chunk): Likewise.
4875 (expand_omp_for): Likewise.
4876 (expand_omp_sections): Likewise.
4877 (remove_exit_barriers): New.
4878 (expand_omp_synch): New.
4880 (build_omp_regions_1): New.
4881 (build_omp_regions): New.
4882 (execute_expand_omp): New.
4883 (gate_expand_omp): New.
4884 (pass_expand_omp): Define.
4885 (lower_omp_sections): Rename from expand_omp_sections.
4886 Set OMP_SECTIONS_SECTIONS.
4887 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4888 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4889 (lower_omp_single): Rename from expand_omp_simple.
4890 (lower_omp_master): Rename from expand_omp_master.
4891 (lower_omp_ordered): Rename from expand_omp_ordered.
4892 (lower_omp_critical): Rename from expand_omp_critical.
4893 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4894 (lower_omp_for): Re-implement.
4895 (lower_omp_parallel): Re-implement.
4896 (lower_regimplify): Rename from expand_regimplify.
4897 (lower_omp_1): Rename from expand_omp_1.
4898 If there are syntax errors in the program, replace every
4899 OpenMP directive with NOP.
4900 Call lower_omp_* instead of expand_omp_*.
4901 (lower_omp): Rename from expand_omp.
4903 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4904 * tree-gimple.h (enum omp_parallel_type): Remove.
4905 (gimple_boolify): Declare extern.
4906 (find_omp_clause, determine_parallel_type): Remove.
4908 * gimple-low.c (lower_omp_directive): New.
4909 (lower_stmt): Call it.
4910 (record_vars_into): Move from ...
4911 (record_vars): ... here.
4912 Call record_vars_into with current_function_decl.
4914 * gimplify.c (struct gimplify_ctx): Remove fields
4915 combined_pre_p and combined_ctxp. Update users.
4916 (get_formal_tmp_var): Add documentation.
4917 (gimple_boolify): Make extern.
4918 (gimplify_expr_in_ctx): Remove. Update callers.
4919 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4920 will always be a BIND_EXPR.
4921 (gimplify_expr): Handle OMP_RETURN_EXPR.
4922 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4923 (OMP_PARALLEL): Add 3 operands.
4924 (OMP_SECTIONS): Add 1 operand.
4925 (OMP_RETURN_EXPR): Define.
4927 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4928 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4929 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4930 creating a circular free list.
4931 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4933 * tree-flow.h (move_sese_region_to_fn): Declare.
4934 (record_vars_into): Declare.
4935 * tree-cfg.c (make_omp_sections_edges): New.
4936 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4937 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4938 OMP_SECTIONS and OMP_SECTION.
4939 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4940 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4941 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4942 (gather_blocks_in_sese_region): New.
4943 (struct move_stmt_d): Declare.
4945 (move_block_to_fn): New.
4946 (move_sese_region_to_fn): New.
4948 * passes.c (init_optimization_passes): Schedule
4949 pass_expand_omp after pass_init_datastructures.
4951 * tree-ssa-operands.c (get_expr_operands): Handle
4952 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4953 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4955 2006-01-19 Jeff Law <law@redhat.com>
4957 * tree-vrp.c (extract_range_from_assert): Refine the result range
4958 if the variable referenced by the ASSERT_EXPR has a range and
4959 either the tentative result range or the previous range is a
4962 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4964 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4966 2006-01-19 Jan Hubicka <jh@suse.cz>
4968 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4970 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4972 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4973 (expand_compound_operation, expand_field_assignment): Fail if the
4974 bit lengths of an extract operation are out of range.
4975 (make_extraction): Compute wanted_inner_mode based on the position
4976 and length of the extraction. Make it extraction_mode for non-constant
4977 positions, and do not modify offset in that case. When generating a
4978 new MEM, use a mode that can hold the extraction while keeping correct
4979 alignment. Remove code that supported MEMs wrapped by USEs.
4980 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4982 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4984 * config/s390/s390.md ("Y", "y"): New mode attribute.
4985 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4986 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4987 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4988 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4989 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4990 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4991 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4992 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4993 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4994 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4995 "addsi3", "subsi3"): Insn patterns removed.
4996 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4997 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4998 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4999 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5000 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5001 "*sub<mode>3_cconly2"): New insn patterns.
5002 ("addsi3", "subsi3"): New expanders.
5004 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5006 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5007 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5008 existing STMT_VINFO_VECTYPE if available.
5009 (vect_mark_relevant): Add special handling for stmts that are
5010 marked as STMT_VINFO_IN_PATTERN_P.
5011 (vect_analyze_loop): Call vect_pattern_recog.
5012 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5013 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5015 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5016 (vect_recog_func_ptr): New function-pointer type.
5017 * tree-vect-patterns.c: New file.
5018 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5019 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5020 (vect_pattern_recog_1): New functions.
5021 (vect_pattern_recog_funcs): New array of function pointers.
5023 * tree-vectorizer.h (ternary_op): New enum value.
5024 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5025 declaration. Revised documentation. Removed redundant dump prints.
5026 Removed redundant argument. Added support for reduction patterns.
5027 (vectorizable_reduction): Added support for reduction patterns.
5028 (vect_transform_stmt): Added support for patterns.
5030 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5031 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5032 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5033 (expand_widen_pattern_expr): New function.
5034 (init_optabs): Initialize new optabs udot_prod_optab,
5036 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5037 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5038 (expand_widen_pattern_expr): New function declaration.
5039 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5041 * tree-inline.c (estimate_num_insns_1): Added cases for new
5042 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5043 * tree-pretty-print.c (dump_generic_node): Likewise.
5044 (op_prio): Likewise.
5045 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5046 * tree-ssa-operands.c (get_expr_operands): Added case for
5048 * tree-vect-patterns.c (widened_name_p): New function.
5049 (vect_recog_dot_prod_pattern): Added function implementation.
5050 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5051 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5052 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5053 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5055 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5056 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5057 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5058 (init_optabs): Initialize new optabs widen_ssum_optab,
5060 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5061 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5062 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5063 use instead of type of def.
5064 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5065 function implementation.
5066 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5067 widen_ssumv8hi): New.
5069 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5072 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5075 * c-decl.c (add_flexible_array_elts_to_size): New function.
5076 (finish_decl): Use it.
5078 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5080 * diagnostic.h: Include options.h.
5081 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5082 dependancies for diagnostic.h.
5083 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5085 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5087 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5088 (ssa_ro_call_cache_valid): Ditto.
5089 * tree-ssa-alias.c (sort_tags_by_id): New function.
5090 (init_transitive_clobber_worklist): Ditto.
5091 (add_to_worklist): Ditto.
5092 (mark_aliases_call_clobbered): Ditto.
5093 (compute_tag_properties): Ditto.
5094 (set_initial_properties): Ditto.
5095 (compute_call_clobbered): Ditto.
5096 (compute_may_aliases): Call compute_call_clobbered and grouping.
5097 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5098 (compute_flow_insensitive_aliasing): Grouping now happens in our
5100 (setup_pointers_and_addressables): Remove clobbering related code.
5101 (add_may_alias): Ditto.
5102 (replace_may_alias): Ditto.
5103 (get_nmt_for): Ditto.
5104 (create_global_var):
5105 (is_escape_site): Return an escape_type enumeration.
5106 * tree-flow-inline.h (is_call_clobbered): Global var does not
5107 imply call clobbered.
5108 (mark_call_clobbered): Take a reason for marking this. Remove
5109 marking of globalness, and cache invalidation.
5110 (clear_call_clobbered): Remove cache invalidation code.
5111 * tree-dfa.c (dump_variable): If details is on, dump the reason
5113 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5115 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5116 (struct var_ann_d): Ditto.
5117 (enum escape_type): New.
5118 (mark_call_clobbered): Adjust prototype.
5119 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5120 are never call clobbered.
5121 Record reasons for escaping.
5122 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5123 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5124 (ssa_ro_call_cache_valid): Ditto.
5125 (clobbered_v_may_defs): Ditto.
5126 (clobbered_vuses): Ditto.
5127 (ro_call_vuses): Ditto.
5128 (clobber_stats): New.
5129 (init_ssa_operands): Zero out clobber stats.
5130 (fini_ssa_operands): Print out clobber stats.
5131 (get_call_expr_operands): Pass callee fndecl to
5133 (add_call_clobber_ops): Remove use of cache.
5134 Add use of PURE_CONST information.
5135 (add_call_read_ops): Remove use of cache.
5136 Add use of static not_read information.
5138 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5140 Introduce TLS descriptors for i386 and x86_64.
5141 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5142 (TARGET_ANY_GNU_TLS): New macro.
5143 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5144 (struct machine_function): Add tls_descriptor_call_expanded_p.
5145 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5146 (ix86_current_function_calls_tls_descriptor): Likewise.
5147 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5148 (override_options): Introduce gnu2 tls dialect.
5149 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5151 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5153 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5154 (ix86_init_machine_status): Initialize new field.
5155 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5156 (ix86_tls_module_base): New.
5157 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5158 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5159 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5160 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5161 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5162 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5163 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5164 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5165 * config/i386/predicates.md (tls_modbase_operand): New.
5166 (tp_or_register_operand): New.
5168 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5170 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5171 (look_for_address_of): Ditto.
5172 (ipa_init): Walk the function decls.
5173 (static_execute): Don't set readonly on FUNCTION_DECL's.
5175 2006-01-18 Roger Sayle <roger@eyesopen.com>
5177 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5178 for shifts where the source and destination registers are different.
5180 2006-01-18 Paul Brook <paul@codesourcery.com>
5182 Merge from csl-arm-branch.
5183 2005-03-14 Julian Brown <julian@codesourcery.com>
5184 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5185 (aeabi_llsl): Likewise.
5186 (ashrdi3): Likewise.
5187 (aeabi_lasr): Likewise.
5188 (lshrdi3): Likewise.
5189 (aeabi_llsr): Likewise.
5190 2005-03-10 Julian Brown <julian@codesourcery.com>
5191 * config.gcc: Disable shared libgcc for SymbianOS.
5192 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5194 2006-01-18 DJ Delorie <dj@redhat.com>
5196 * c-pragma.c (handle_pragma_diagnostic): New.
5197 (init_pragma): Register it.
5198 * doc/extend.texi: Document it.
5200 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5201 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5202 (diagnostic_context): Add classify_diagnostic[].
5203 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5204 as errors if they're overridden to DK_WARNING.
5205 (diagnostic_initialize): Initialize classify_diagnostic[].
5206 (diagnostic_set_kind_override): New.
5207 (diagnostic_report_diagnostic): Check for kind changes.
5208 * opts.c (common_handle_option): Take lang_mask. Update callers.
5210 * common.opt (Werror=): New.
5211 * doc/invoke.texi: Document -Werror=*
5213 2006-01-18 Jeff Law <law@redhat.com>
5215 * tree-vrp.c (test_for_singularity): Correct test for new
5216 min limit. Use operand_equal_p rather than pointer equality
5217 for testing if new min/max values are equal.
5219 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5220 using range information until after propagation and folding.
5222 2006-01-18 Richard Henderson <rth@redhat.com>
5223 Aldy Hernandez <aldyh@redhat.com>
5224 Jakub Jelinek <jakub@redhat.com>
5225 Diego Novillo <dnovillo@redhat.com>
5227 * omp-low.c: New file.
5228 * c-omp.c: New file.
5230 2006-01-18 Richard Henderson <rth@redhat.com>
5231 Jakub Jelinek <jakub@redhat.com>
5232 Diego Novillo <dnovillo@redhat.com>
5234 * doc/invoke.texi: Document -fopenmp.
5235 * tree-dump.h (debug_function): Declare.
5236 * hooks.c (hook_bool_tree_bool_false): New function.
5237 (hook_tree_tree_null): Remove.
5238 (hook_tree_tree_tree_null): New.
5239 * hooks.h: Update to match.
5240 * tree-pretty-print.c (debug_tree_chain): New.
5241 (print_generic_expr): Handle TDF_CHAIN.
5242 (dump_generic_node): Handle BLOCK.
5243 Do not abort with incomplete SWITCH_EXPRs.
5244 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5245 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5246 print space after directive name.
5247 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5248 Handle OMP_MASTER and OMP_ORDERED.
5249 Handle printing of OMP_BODY just in one place, goto
5250 dump_omp_body in the rest of OMP_* nodes that have
5252 Don't handle clause nodes here. Update omp statements to
5253 use dump_omp_clauses.
5254 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5255 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5256 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5257 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5258 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5259 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5260 Adjust output for GOMP_PARALLEL.
5261 (dump_omp_clauses): New.
5262 (print_declaration): Dump DECL_VALUE_EXPR.
5263 (op_symbol_1): Split out of op_symbol.
5264 (dumping_stmts): Remove. Update all users.
5265 * cgraph.c (cgraph_analyze_queue): New.
5266 (cgraph_add_new_function): New.
5267 * cgraph.h (cgraph_analyze_queue): Declare.
5268 (cgraph_add_new_function): Declare.
5269 (cgraph_lower_function): Remove.
5270 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5271 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5272 and TYPE_P nodes in its default clause.
5273 (empty_body_p): New.
5274 (tree_range_check_failed): New.
5276 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5277 OMP_CLAUSE_REDUCTION_MERGE,
5278 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5279 OMP_CLAUSE_PRIVATE_DEBUG,
5280 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5281 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5282 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5283 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5284 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5285 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5286 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5287 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5288 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5289 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5290 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5291 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5292 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5293 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5294 (TREE_RANGE_CHECK): New.
5295 (empty_body_p): Declare.
5296 (enum omp_clause_default_kind): New.
5297 (build_string_literal): Declare.
5298 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5299 (build5_stat, build5): Declare.
5300 * tree-pass.h (TDF_CHAIN): Define.
5301 * tree-pass.h (PROP_gimple_lomp): Define.
5302 (pass_lower_omp): Declare.
5303 * diagnostic.h (debug_tree_chain): Declare.
5304 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5306 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5307 * builtins.c (build_string_literal): Make extern.
5308 * gcc.c (include_spec_function): New.
5309 (static_spec_functions): Add it.
5310 (main): Move load of libgomp.spec ...
5311 (LINK_COMMAND_SPEC): ... here.
5312 (link_gomp_spec): New.
5313 (static_specs): Include it.
5314 (LINK_COMMAND_SPEC): Add link_gomp.
5315 (GOMP_SELF_SPECS): New.
5316 (driver_self_specs): Include it.
5317 (switch_matches): Don't mark inline.
5318 (main): Load libgomp.spec.
5319 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5320 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5321 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5322 * tree-gimple.h (enum omp_parallel): Declare.
5323 (determine_parallel_type): Declare.
5324 (omp_firstprivatize_variable): Declare.
5325 (omp_reduction_init): Declare.
5326 (diagnose_omp_structured_block_errors): Declare.
5327 (struct walk_stmt_info): Add want_return_expr.
5328 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5329 (find_omp_clause): Declare.
5330 (insert_field_into_struct): Declare.
5331 (struct walk_stmt_info): Move from tree-nested.c
5332 (walk_stmts): Declare.
5333 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5335 * cgraphunit.c (cgraph_lower_function): Make static.
5336 (cgraph_finalize_pending_functions): New.
5337 (cgraph_finalize_function): Call it.
5338 (cgraph_finalize_compilation_unit): Likewise.
5339 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5340 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5341 (BT_FN_UINT_UINT): New.
5342 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5343 DEF_FUNCTION_TYPE_VAR_4): Document.
5344 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5345 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5346 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5347 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5348 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5349 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5350 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5351 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5352 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5353 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5354 into separate files.
5355 (DEF_GOMP_BUILTIN): New.
5356 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5357 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5358 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5359 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5360 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5361 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5362 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5363 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5364 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5365 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5366 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5367 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5368 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5369 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5370 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5371 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5372 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5373 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5374 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5375 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5376 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5377 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5378 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5379 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5380 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5381 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5382 * sync-builtins.def: New file, moved from builtins.def.
5383 * omp-builtins.def: New file, moved from builtins.def.
5384 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5385 * gimple-low.c (lower_function_body): Clear data.
5386 (lower_stmt): Do not handle COMPOUND_EXPR.
5387 Remove call to print_node_brief.
5388 * c-tree.h (c_finish_omp_clauses): New prototype.
5389 (C_DECL_THREADPRIVATE_P): Define.
5390 (lookup_name_no_remap, c_omp_remap_private): Remove
5391 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5392 (check_for_loop_decls): Update decl.
5393 (lookup_name_no_remap, c_omp_remap_private): Declare.
5394 (build_indirect_ref, build_modify_expr, pushdecl,
5395 pushdecl_top_level): Move to c-common.h.
5396 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5397 before the switch, but just in the 2 places that need it.
5398 * c-decl.c (diagnose_mismatched_decls): Do not check for
5399 mismatched thread-local attributes when OLDDECL is marked
5400 threadprivate and NEWDECL has no thread-local attributes.
5401 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5402 (c_gimple_diagnostics_recursively): Rename from
5403 c_warn_unused_result_recursively. Invoke
5404 diagnose_omp_structured_block_errors.
5405 (check_for_loop_decls): Return a singular decl found.
5406 * langhooks.c (lhd_omp_predetermined_sharing): Return
5407 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5408 (lhd_omp_firstprivatize_type_sizes): New.
5409 (lhd_omp_assignment): New.
5410 (lhd_omp_predetermined_sharing): New.
5411 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5412 (struct lang_hooks_for_types): Add
5413 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5414 omp_predetermined_sharing, omp_disregard_value_expr,
5415 omp_private_debug_clause, omp_clause_default_ctor,
5416 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5417 (c_finish_omp_clauses): New.
5418 (c_finish_bc_stmt): Diagnose break within omp for.
5419 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5420 (build_unary_op): Return error_mark after reporting
5422 (build_modify_expr): Likewise.
5423 * gimplify.c: Include optabs.h and pointer-set.h.
5424 (enum gimplify_omp_var_data): Declare.
5425 (struct gimplify_omp_ctx): Declare.
5426 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5428 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5429 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5430 (splay_tree_compare_decl_uid): New.
5431 (new_omp_context): New.
5432 (delete_omp_context): New.
5433 (gimple_add_tmp_var): Call omp_add_variable.
5434 (gimplify_bind_expr): Likewise.
5435 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5436 true, disregard DECL_VALUE_EXPR on the decl if any.
5437 (gimplify_expr_in_ctx): New.
5438 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5439 omp_add_variable, omp_notice_variable, omp_is_private
5440 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5441 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5442 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5443 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5444 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5445 gimplify_omp_atomic): New.
5446 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5447 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5448 OMP_CRITICAL and OMP_ATOMIC.
5449 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5450 * c-pragma.h (enum pragma_kind): Add
5451 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5452 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5453 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5454 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5455 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5456 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5457 PRAGMA_OMP_THREADPRIVATE.
5458 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5459 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5460 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5461 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5462 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5463 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5464 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5465 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5466 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5467 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5468 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5469 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5470 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5472 (struct nesting_info): Add field_map,
5473 suppress_expansion, debug_var_chain.
5474 (create_nesting_tree): Initialize them.
5475 (lookup_field_for_decl): Use field_map.
5476 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5477 (convert_local_omp_clauses): New.
5478 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5479 (walk_body): Split out of walk_function.
5480 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5481 (convert_nonlocal_reference): Handle omp statements.
5482 (convert_local_reference): Likewise.
5483 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5484 (unnest_nesting_tree): New.
5485 (lower_nested_functions): Call it.
5486 (insert_field_into_struct): Make extern.
5487 (struct walk_stmt_info): Move to tree-gimple.h.
5488 (walk_stmts): Make extern.
5489 * omp-builtins.def: New file.
5490 * tree-iterator.c (expr_only): Clarify comment.
5491 * c-common.h (pushdecl_top_level, pushdecl,
5492 build_modify_expr, build_indirect_ref,
5493 c_finish_omp_master, c_finish_omp_critical,
5494 c_finish_omp_ordered, c_finish_omp_barrier,
5495 c_finish_omp_atomic, c_finish_omp_flush,
5496 c_finish_omp_for, c_split_parallel_clauses,
5497 omp_clause_default_kind, c_omp_sharing_predetermined,
5498 c_omp_remap_decl): Declare.
5499 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5500 (OBJS-common): Add omp-low.o.
5501 (c-omp.o, omp-low.o): Add.
5502 (gimplify.o): Add dependency on $(OPTABS_H).
5503 (GTFILES): Add omp-low.c.
5504 (gt-stringpool.h): Add.
5505 * tree-cfg.c (set_bb_for_stmt): Do not update the
5506 block-to-labels map if we are currently expanding to RTL.
5507 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5509 Handle IDENTIFIER_NODE.
5510 (tree_verify_flow_info): Do not ICE when emitting error
5511 messages about invalid labels.
5512 (dump_function_to_file): Reset CFUN before emitting the body
5514 (debug_function): New.
5515 * passes.c (init_optimization_passes): Schedule
5517 * langhooks-def.h (lhd_omp_predetermined_sharing,
5518 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5520 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5521 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5522 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5523 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5524 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5525 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5526 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5527 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5528 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5529 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5530 (LANG_HOOK_DECLS): Use them.
5532 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5533 Richard Henderson <rth@redhat.com>
5534 Jakub Jelinek <jakub@redhat.com>
5535 Diego Novillo <dnovillo@redhat.com>
5537 * c-parser.c (pragma_omp_clause): Define.
5538 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5539 (c_parser_compound_statement): Likewise.
5540 (c_parser_statement): Likewise.
5541 (c_parser_pragma): Handle omp pragmas.
5542 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5543 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5544 (c_parser_omp_clause_name, check_no_duplicate_clause,
5545 c_parser_omp_variable_list,
5546 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5547 c_parser_omp_clause_copyprivate,
5548 c_parser_omp_clause_default,
5549 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5550 c_parser_omp_clause_lastprivate,
5551 c_parser_omp_clause_nowait,
5552 c_parser_omp_clause_num_threads,
5553 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5554 c_parser_omp_clause_reduction,
5555 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5556 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5557 c_parser_omp_atomic, c_parser_omp_barrier,
5558 c_parser_omp_critical, c_parser_omp_flush,
5559 c_parser_omp_for_loop, c_parser_omp_for,
5560 c_parser_omp_master, c_parser_omp_ordered,
5561 c_parser_omp_sections_scope, c_parser_omp_sections,
5562 c_parser_omp_parallel, c_parser_omp_single,
5563 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5564 * c-pragma.c (init_pragma): Do omp pragma registration here.
5565 * c.opt (fopenmp): New flag.
5567 2006-01-18 Eric Christopher <echristo@apple.com>
5569 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5570 * config/darwin.h (GOMP_SELF_SPECS): Define.
5572 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5574 * rtl.h: Remove the prototype for reg_alloc.
5576 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5579 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5580 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5581 sjlj and dwarf2 exception handling.
5582 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5583 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5584 * pa/pa.c (function_value): Treat complex and vector types as
5586 (function_arg): Likewise. Only pass scalar floats in the floating
5587 point argument registers.
5588 * pa/t-slibgcc-dwarf-ver: New file.
5589 * pa/t-slibgcc-sjlj-ver: New file.
5590 * pa/t-slibgcc-elf-ver: Delete file.
5592 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5594 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5595 unlikely_test_section_p test.
5597 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5599 * mode-switching.c (optimize_mode_switching): Make it static.
5600 * basic-block.h: Remove the prototype for
5601 optimize_mode_switching.
5603 * modulo-sched.c (sms_schedule): Make it static.
5604 * rtl.h: Remove the prototype for sms_schedule.
5606 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5607 * rtl.h: Remove the prototype for gcse_after_reload_main.
5609 * reg-stack.c (reg_to_stack): Make it static.
5610 * rtl.h: Remove the prototype for reg_to_stack.
5612 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5614 * rtl.h: Remove the prototypes for regrename_optimize and
5615 copyprop_hardreg_forward.
5617 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5619 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5620 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5621 Test against the appropriate null constant for the mode.
5622 If 'fixup_overlap' is true, swap the operands if they overlap.
5623 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5624 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5625 alpha_split_tmode_pair and adjust for above change.
5626 * config/alpha/alpha.md (movtf_internal): Adjust call to
5627 alpha_split_tfmode_pair and rely on it to swap the operands.
5628 (movti_internal): New insn and post-reload splitter.
5629 (movti): New expander.
5631 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5633 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5636 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5638 * rtlanal.c (global_reg_mentioned_p_1,
5639 global_reg_mentioned_p): Remove.
5640 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5642 * flow.c (initialize_uninitialized_subregs): Make it static.
5643 * rtl.h: Remove the prototype for
5644 initialize_uninitialized_subregs.
5646 * function.c (instantiate_virtual_regs): Make it static.
5647 * function.h: Remove the prototype for
5648 instantiate_virtual_regs.
5650 * regmove.c (regmove_optimize, combine_stack_adjustments):
5652 * rtl.h: Remove the prototypes for regmove_optimize and
5653 combine_stack_adjustments.
5655 2006-01-17 Roger Sayle <roger@eyesopen.com>
5657 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5658 (size_cost): Encode costs in bytes so that a reg-reg addition is
5659 equivalent to COSTS_N_INSNS(1).
5660 (override_options): Use the size_cost.branch_cost as the default
5661 ix86_branch_cost when optimizing for size.
5663 2006-01-18 Ben Elliston <bje@au.ibm.com>
5665 * Makefile.in (D32PBIT_FUNCS): New.
5666 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5667 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5668 D64PBIT_FUNCS and D128PBIT_FUNCS.
5669 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5670 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5672 (decnumber_dep): Define.
5673 * doc/libgcc.texi (Decimal float library routines): New node.
5674 * config/dfp-bit.h, config/dfp-bit.c: New files.
5676 2006-01-18 Ben Elliston <bje@au.ibm.com>
5678 * expr.c (emit_move_change_mode): Always adjust addresses, not
5679 just during reload. Copy replacements only during reload.
5680 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5681 emit_move_via_integer.
5683 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5685 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5686 instead of $(srcdir) and ${srcdir}.
5688 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5692 * arm.h (struct machine_function): Add pic_reg.
5693 * arm.c (arm_pic_register): Make unsigned.
5694 (arm_override_options): Only set arm_pic_register if
5695 TARGET_SINGLE_PIC_BASE.
5696 (use_return_insn): Only test for a pic register if it is fixed.
5697 (arm_compute_save_reg0_reg12_mask): Likewise.
5698 (thumb_compute_save_reg_mask): Likewise.
5699 (legitimate_pic_operand): Factor out some known invariants.
5700 (legitimize_pic_address): If we don't have a fixed pic register,
5701 then set up a pseudo in the function entry sequence. Handle the
5702 pic base being in a pseudo.
5703 (arm_load_pic_register): Handle the pic register being in a pseudo.
5704 (arm_expand_prologue): Only set up the pic register if it is fixed.
5705 (thumb_expand_prologue): Likewise.
5706 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5707 (pic_load_addr_based_insn): Likewise.
5708 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5711 2006-01-18 Ben Elliston <bje@au.ibm.com>
5713 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5714 decimal float modes for all floating point registers.
5716 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5717 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5719 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5722 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5723 even when the pointer is not NULL.
5725 2006-01-16 Ian Lance Taylor <ian@airs.com>
5727 * common.opt (ftoplevel-reorder): New option.
5728 * cgraph.c (cgraph_asm_nodes): New global variable.
5729 (cgraph_asm_last_node): New static variable.
5730 (cgraph_order): New global variable.
5731 (cgraph_create_node): Set new order field.
5732 (cgraph_varpool_node): Likewise.
5733 (decide_is_variable_needed): Return true if not
5734 flag_toplevel_reorder.
5735 (cgraph_add_asm_node): New function.
5736 * cgraph.h (struct cgraph_node): Add order field.
5737 (struct cgraph_varpool_node): Add order field.
5738 (struct cgraph_asm_node): Define.
5739 (cgraph_asm_nodes, cgraph_order): Declare.
5740 (cgraph_add_asm_node): Declare.
5741 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5743 (cgraph_varpool_assemble_pending_decls): Call it.
5744 (cgraph_output_pending_asms): New static function.
5745 (cgraph_finalize_compilation_unit): Call it.
5746 (struct cgraph_order_sort): Define.
5747 (cgraph_output_in_order): New static function.
5748 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5749 !flag_toplevel_reorder case.
5750 * c-parser.c: Include "cgraph.h".
5751 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5753 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5754 than -fno-unit-at-a-time.
5755 * doc/invoke.texi (Option Summary): Mention
5756 -fno-toplevel-reorder.
5757 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5758 -funit-at-a-time documentation.
5760 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5761 Kazu Hirata <kazu@codesourcery.com>
5763 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5765 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5767 * Makefile.in (FUNCTION_H): New. Use it instead of
5768 function.h throughout the file.
5769 * function.h: Include tree.h.
5771 2006-01-17 Ben Elliston <bje@au.ibm.com>
5773 * recog.c: Separate some functions with whitespace.
5775 2006-01-16 Richard Henderson <rth@redhat.com>
5777 Merge from gomp branch:
5778 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5779 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5780 and rename from struct inline_data. Rename callee* to dst*;
5781 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5782 transform_new_cfg, transform_return_to_modify, and
5783 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5785 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5786 (copy_decl_for_dup): Remove.
5787 * tree-inline.c (struct inline_data): Move to header.
5788 (insert_decl_map): Export.
5789 (remap_decl): Update for member name changes. Use copy_decl hook.
5790 Allow for replacement to be a non-decl. Remove dead code.
5791 (remap_type_1): Check for existing mapping.
5792 (remap_type): Export.
5793 (remap_decls): Update for member name changes.
5794 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5795 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5796 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5797 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5798 (tree_function_versioning, build_duplicate_type): Likewise.
5799 (copy_body_r): Likewise. Export.
5800 (copy_decl_for_dup): Split into ...
5801 (copy_decl_for_dup_finish, copy_decl_to_var,
5802 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5803 (replace_ref_tree, inlining_p): Remove.
5805 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5807 * ifcvt.c (if_convert): Make it static.
5808 * rtl.h: Remove the prototype for if_convert.
5810 * local-alloc.c (local_alloc): Make it static.
5811 * rtl.h: Remove the prototype for local_alloc.
5813 * loop.c (loop_optimize): Make it static.
5814 * cfgloop.h: Remove the prototype for loop_optimize.
5817 2006-01-16 DJ Delorie <dj@redhat.com>
5819 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5822 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5824 * pa.md: Disparage copies between general and floating-point registers
5825 in 32-bit move patterns.
5827 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5830 * Makefile.in (check-%): Depend on site.exp instead of
5831 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5834 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5836 * global.c (global_alloc): Make it static.
5837 * rtl.h: Remove the prototype for global_alloc.
5839 2006-01-16 Richard Guenther <rguenther@suse.de>
5841 * tree-ssa-alias.c (struct used_part): Add write_only field.
5842 (get_or_create_used_part_for): Initialize it to true.
5843 (create_overlap_variables_for): Don't create structure variables
5844 for structures that only are written to.
5845 (find_used_portions): Handle MODIFY_EXPR to track whether a
5846 structure is only written to.
5848 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5850 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5852 * basic-block.h: Remove the prototype for
5853 partition_hot_cold_basic_blocks.
5855 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5857 * cppspec.c (lang_specific_spec_functions): Remove.
5858 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5859 * gcc.h (lang_specific_spec_functions): Remove.
5860 * gccspec.c (lang_specific_spec_functions): Remove.
5862 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5864 * combine.c (record_value_for_reg): Invalidate registers
5866 (record_dead_and_set_regs_1): Likewise, by passing them to
5867 record_value_for_reg.
5868 (record_dead_and_set_regs): Invalidate stores made by a
5869 call. We do not combine across a call, but we still
5870 relied on equivalences.
5872 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5874 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5875 vrp_int_const_binop returning non-constant nodes.
5877 2006-01-16 Paul Brook <paul@codesourcery.com>
5879 * config/m68k/m68k.c (output_move_const_into_data_reg):
5880 Output correct mnemonic for mvz and mvs.
5882 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5884 * rtl-factoring.c: Add sequence abstraction algorithm.
5885 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5886 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5888 (block_has_preserve_label): New function.
5889 * common.opt: Register new pass.
5890 * Makefile.in: Ditto.
5892 * timevar.def: Ditto.
5893 * tree-pass.h: Ditto.
5894 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5895 * rtl.h (make_jump_insn_raw): Add forward decl.
5896 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5898 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5899 Roger Sayle <roger@eyesopen.com>
5901 * fold-const.c (fold_minmax): New static function.
5902 (fold_binary) <MIN_EXPR>: Call it.
5903 <MAX_EXPR>: Likewise.
5904 * stor-layout.c (place_field): Use DECL_SIZE consistently
5905 in the computation of the new record size.
5907 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5909 * cse.c (cse_condition_code_reg): Make it static.
5910 * rtl.h: Remove the prototype for cse_condition_code_reg.
5912 * combine.c (combine_instructions): Make it static.
5913 * rtl.h: Remove the prototype for combine_instructions.
5915 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5918 * tree.c (get_file_function_name_long): Concatenate the first global
5919 object name with a string derived from the input filename of the object
5922 2006-01-16 Ben Elliston <bje@au.ibm.com>
5924 * config/i386/winnt-stubs.c: Update FSF address.
5925 * config/xtensa/ieee754-df.S: Ditto.
5926 * config/xtensa/ieee754-sf.S: Ditto.
5928 2006-01-14 Ian Lance Taylor <ian@airs.com>
5930 * ifcvt.c (noce_init_if_info): New static function, broken out of
5931 noce_process_if_block.
5932 (noce_process_if_block): Call noce_init_if_info.
5933 (check_cond_move_block): New static function.
5934 (cond_move_process_if_block): New static function.
5935 (process_if_block): Call cond_move_process_if_block.
5937 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5939 * cselib.c (hash_table): Rename to cselib_hash_table.
5940 (cselib_clear_table, discard_useless_values,
5941 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5942 cselib_init, cselib_finish): Adjust uses of hash_table.
5944 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5946 PR tree-optimization/25485
5947 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5948 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5949 is known to be false and true, respectively.
5951 2006-01-14 Richard Guenther <rguenther@suse.de>
5953 PR tree-optimization/22548
5954 PR tree-optimization/22555
5955 PR tree-optimization/22501
5956 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5957 * params.def (salias-max-array-elements): New parameter.
5958 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5959 * doc/invoke.texi (salias-max-array-elements): Document.
5960 * tree-flow-inline.h (var_can_have_subvars): We also handle
5962 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5964 * tree-ssa-structalias.c (params.h): Include.
5965 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5966 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5967 (get_constraint_for): For ADDR_EXPR operating on something
5968 containing an ARRAY_REF, add all subvars to the solution.
5969 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5970 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5971 for creating MUST_DEFs.
5972 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5974 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5976 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5978 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5979 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5980 number_of_iterations_le): New functions.
5981 (number_of_iterations_special): Removed.
5982 (number_of_iterations_exit): Do not use number_of_iterations_special.
5983 * tree.c (unsigned_type_for): Always return integer type.
5985 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5986 Richard Guenther <rguenther@suse.de>
5988 PR rtl-optimization/24257
5989 * gcse.c (find_moveable_store): Only consider a store movable
5990 when the SET_SRC of the insn can be assigned to a register.
5992 2006-01-14 Ian Lance Taylor <ian@airs.com>
5994 * tree.c (tree_not_class_check_failed): New function.
5995 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5996 (tree_not_class_check_failed): Declare.
5998 2006-01-13 Ian Lance Taylor <ian@airs.com>
6000 * reload1.c (do_output_reload): Add assertion rejecting a
6003 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6005 * combine.c (struct reg_stat): Add new fields truncation_label and
6007 (record_value_for_reg): Reset truncated_to_mode.
6008 (record_truncated_value): New function.
6009 (check_promoted_subreg): Call it. Rename to check_conversions.
6010 (combine_instructions): Rename check_promoted_subreg to
6012 (reg_truncated_to_mode): New function.
6013 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6014 (gen_lowpart_or_truncate): New function.
6015 (force_to_mode): Use it instead of gen_lowpart.
6017 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6019 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6020 VAR is a tag, not its type tag.
6022 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6024 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6025 alternatives to match style of other entries.
6026 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6028 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6030 PR tree-optimization/25771
6031 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6034 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6037 * tree-inline.c (declare_return_variable): If the return variable
6038 was marked as a non gimple complex, set the return slot variable
6039 to be a non gimple comple variable.
6041 2006-01-13 Richard Guenther <rguenther@suse.de>
6043 * builtins.c (expand_builtin_sincos): New function.
6044 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6046 (expand_builtin): Expand sincos using expand_builtin_sincos.
6048 2006-01-12 DJ Delorie <dj@redhat.com>
6050 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6051 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6052 so that constant shifts can be split.
6053 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6054 (m32c_valid_pointer_mode): Make static.
6055 (shift_gen_func_for): New.
6056 (m32c_prepare_shift): Use it. Split large const shifts into
6058 * config/m32c/predicates.md (shiftcount_operand): Allow more
6060 (longshiftcount_operand): New.
6061 * doc/md.texi (Machine Constraints): Document In6.
6063 2006-01-13 Ben Elliston <bje@au.ibm.com>
6065 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6066 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6069 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6071 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6072 to try to avoid clobbering pieces of structures when we know
6073 something about the whole structure.
6074 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6076 2006-01-13 Ben Elliston <bje@au.ibm.com>
6078 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6079 return in memory, as this is no limitation is no longer present.
6081 2006-01-12 DJ Delorie <dj@redhat.com>
6083 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6084 mova with fb, and for fb+0 -> An.
6086 * config/m32c/mov.md (peephole2): Fix enabling logic.
6088 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6089 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6090 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6091 FINI_ARRAY_SECTION_ASM_OP): Define.
6093 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6095 (m32c_legitimize_reload_address): New logic to reload FB to An.
6096 (m32c_output_reg_push): Add newline.
6097 (m32c_output_reg_pop): Likewise.
6099 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6101 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6103 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6105 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6107 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6109 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6112 2006-01-11 Ben Elliston <bje@au.ibm.com>
6114 * rtlanal.c (find_reg_note): Assert insn is not null.
6116 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6118 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6121 2006-01-11 Jeff Law <law@redhat.com>
6123 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6125 (mark_threaded_blocks, register_jump_thread): New functions.
6126 (thread_through_all_blocks): Remove unwanted argument. No
6127 longer rely on e->aux to communicate thread target info.
6128 Call mark_threaded_blocks. Release the threaded_blocks
6129 bitmap and threaded_edges vector when complete.
6130 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6131 (threaded_blocks): Remove.
6132 (tree_ssa_dominator_optimize): Remove initialization and
6133 finalization of threaded_blocks. Simplify call to
6134 thread_through_all_blocks.
6135 (thread_across_edge): Call register_jump_thread rather than
6136 storing thread information into e->aux.
6137 (free_all_edge_infos): Simplify now that e->aux is no longer
6138 used to communicate with thread_through_all_blocks.
6139 * tree-flow.h (thread_through_all_blocks): Update prototype.
6140 (register_jump_thread): Prototype.
6142 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6144 * df-core.c (df_compact_blocks, df_bb_replace): Use
6145 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6147 2006-01-11 Richard Guenther <rguenther@suse.de>
6149 PR tree-optimization/25734
6150 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6151 stop propagation after successful propagation to the LHS.
6153 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6155 * basic-block.h (control_flow_graph): Change the type of
6156 x_basic_block_info to VEC(basic_block,gc) *.
6157 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6159 (SET_BASIC_BLOCK): New.
6160 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6161 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6162 * cfgbuild.c (find_basic_blocks): Likewise.
6163 * cfglayout.c (fixup_reorder_chain): Likewise.
6164 * cfgrtl.c (create_basic_block_structure,
6165 rtl_create_basic_block): Likewise.
6166 * ifcvt.c (find_if_case_1): Likewise.
6167 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6170 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6172 * Makefile.in: Removed rotted odf.c entry.
6174 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6177 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6178 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6179 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6180 output pattern modifier, not %e.
6181 * config/cris/cris.c (cris_op_str): Update comment about pattern
6183 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6184 before falling through into...
6185 <case 'E'>: Redefined from old 'e' case.
6187 2006-01-11 Jan Hubicka <jh@suse.cz>
6190 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6192 2006-01-11 Jan Hubicka <jh@suse.cz>
6194 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6195 * i386.c (x86_decompose_lea): Kill.
6196 (ix86_rtx_costs): Kill.
6198 2006-01-11 Jan Hubicka <jh@suse.cz>
6200 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6201 * cgraph.h (cgraph_node): Add inline_decl.
6202 (cgraph_insert_node_to_hashtable): Declare.
6203 (save_inline_function_body): Declare.
6204 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6206 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6207 (cgraph_function_versioning): Update call of tree_function_versioning.
6208 (save_inline_function_body): New function.
6209 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6210 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6211 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6212 (cgraph_default_inline_p): Likewise.
6213 (cgraph_decide_inlining_incrementally): Likewise.
6214 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6215 (copy_bb): Kill saving; do updating of clones.
6216 (copy_cfg_body): Kill saving.
6217 (initialize_inlined-parameters): Likewise.
6218 (expand_call_inline): Likewise.
6220 (tree_function_versioning): New parameter "update_clones".
6221 (inlining_p): Kill saving.
6222 * tree-inline.h (tree_function_versioning): Update prototype.
6223 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6226 2006-01-11 Ian Lance Taylor <ian@airs.com>
6228 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6229 Allow undoing set of machine mode.
6230 (do_SUBST): Use enums instead of is_int.
6231 (do_SUBST_MODE): New function.
6232 (SUBST_MODE): New macro.
6233 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6234 reg and trying to replace reg_regno_rtx with a new register.
6235 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6236 (simplify_set): Use SUBST_MODE.
6237 (distribute_notes): Remove code that tried to update reg notes
6238 for regno_reg_rtx changes.
6240 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6242 PR tree-optimization/23109
6243 PR tree-optimization/23948
6244 PR tree-optimization/24123
6246 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6247 * tree-cfg.c (single_noncomplex_succ): New.
6248 * tree-flow.h (single_noncomplex_succ): Declare it.
6249 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6250 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6251 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6252 insert_bb, register_division_in, insert_reciprocals,
6253 replace_reciprocal, free_bb): New.
6254 (execute_cse_reciprocals_1): Rewritten.
6255 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6256 Do not commit any edge insertion. Always compute dominators and
6257 create the allocation pool.
6258 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6259 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6260 * targhooks.c (default_min_divistions_for_recip_mul): New.
6261 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6262 * passes.c (init_optimization_passes): Run recip after tree loop
6264 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6266 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6267 Kenneth Zadeck <zadeck@naturalbridge.com>
6269 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6270 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6271 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6272 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6273 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6274 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6275 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6276 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6277 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6278 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6279 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6280 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6281 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6282 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6283 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6284 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6285 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6286 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6287 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6288 DF_SCAN_POST_ALLOC): New macros.
6289 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6290 df_free_bb_function, df_local_compute_function, df_init_function,
6291 df_dataflow_function, df_confluence_function_0,
6292 df_confluence_function_n, df_transfer_function,
6293 df_finalizer_function, df_free_function, df_dump_problem_function,
6294 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6295 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6296 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6297 df_urec_bb_info, ) New types.
6298 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6300 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6301 df_analyze_simple_change_some_blocks,
6302 df_analyze_simple_change_one_block, df_compact_blocks,
6303 df_bb_replace, df_bb_regno_last_use_find,
6304 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6305 df_insn_regno_def_p, df_find_def, df_find_use,
6306 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6307 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6308 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6309 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6310 debug_df_chain, df_get_dependent_problem, df_chain_create,
6311 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6312 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6313 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6314 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6315 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6316 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6317 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6318 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6319 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6320 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6321 df_reorganize_refs, df_set_state, df_hard_reg_init,
6322 df_read_modify_subreg_p) New public functions.
6323 * df-core.c: The core dataflow solver and glue routines for rtl
6325 (df_init, df_add_problem, df_set_blocks, df_finish,
6326 df_hybrid_search_forward, df_hybrid_search_backward,
6327 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6328 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6329 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6330 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6331 df_reg_defined, df_find_use, df_reg_used, df_dump,
6332 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6333 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6334 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6335 debug_df_useno, reset_df_after_reload): New functions.
6336 * df-scan.c: The scanning fuctions, once in df.c, completely
6337 rewritten so that they now fully model the functionality of
6338 register usage at the backend.
6339 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6340 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6341 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6342 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6343 df_get_artificial_defs, df_get_artificial_uses,
6344 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6345 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6346 df_refs_delete, df_reorganize_refs, df_set_state,
6347 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6348 df_def_record_1, df_defs_record, df_uses_record,
6349 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6350 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6351 df_record_exit_block_uses, df_hard_reg_init): New functions.
6353 * df-problems.c: Seven concrete dataflow problems that use the
6354 scanning in df-scan.c and are solved by the engine in df-core.c.
6355 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6356 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6357 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6358 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6359 df_ru_free_bb_info, df_ru_alloc,
6360 df_ru_bb_local_compute_process_def,
6361 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6362 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6363 df_ru_transfer_function, df_ru_free, df_ru_dump,
6364 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6365 df_rd_free_bb_info, df_rd_alloc,
6366 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6367 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6368 df_rd_transfer_function, df_rd_free, df_rd_dump,
6369 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6370 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6371 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6372 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6373 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6374 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6375 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6376 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6377 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6378 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6379 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6380 df_urec_mark_reg_use_for_earlyclobber,
6381 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6382 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6383 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6384 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6385 df_chain_create_bb_process_use, df_chain_create_bb,
6386 df_chain_finalize, df_chain_free, df_chains_dump,
6387 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6388 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6389 df_reg_lifetime): New functions.
6390 * df.c: Deleted file.
6391 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6392 consistent with new df api.
6393 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6394 rest_of_handle_sms): Ditto.
6395 * web.c (unionfind_union, union_defs, entry_register, web_main):
6397 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6398 invariant_expr_equal_p, find_defs, check_dependencies,
6399 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6400 free_inv_motion_data, move_loop_invariants): Ditto.
6401 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6402 Update dependencies.
6403 (odf.c): Added defective entry that was deleted later in day.
6404 * sched-deps.c (sched_analyze_1): Ditto.
6406 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6408 * tree-ssa-operands.c (get_expr_operands): Record addressable
6409 variables directly. Do not call add_stmt_operands for CONST_DECLs
6411 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6412 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6414 2006-01-11 Ben Elliston <bje@au.ibm.com>
6416 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6417 function returns true in the positive case.
6419 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6422 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6423 for SI, DI, SF and DF modes. Add alternatives to copy between
6424 general and floating point registers to the 32-bit patterns.
6425 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6426 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6427 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6428 generating 64-bit code.
6429 * config/pa/pa.c (output_move_double): Handle copies between general
6430 and floating registers.
6432 2006-01-10 Stuart Hastings <stuart@apple.com>
6434 * config/i386/i386.md (set_got): Update.
6435 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6436 (builtin_setjmp_receiver): Mach-O support.
6437 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6438 (GOT_SYMBOL_NAME): Define.
6439 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6440 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6441 * config/i386/i386.c (override_options): Revise for Darwin.
6442 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6443 support. (darwin_x86_file_end): New. (output_set_got): Add label
6444 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6445 * config/i386/i386-protos.h (output_set_got): Likewise.
6446 * config/darwin.c (machopic_legitimize_pic_address): Update
6449 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6451 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6452 when MODE isn't BLKmode.
6454 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6456 PR rtl-optimization/25367
6457 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6459 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6462 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6463 for a negative bound.
6465 2006-01-10 Richard Guenther <rguenther@suse.de>
6467 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6468 Never override with anything constraint.
6470 2006-01-10 Jan Beulich <jbeulich@novell.com>
6472 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6473 256 bits when optimize_size.
6475 2006-01-10 Jan Beulich <jbeulich@novell.com>
6477 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6479 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6480 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6483 2006-01-10 Ben Elliston <bje@au.ibm.com>
6485 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6487 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6488 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6489 (USE_FP_FOR_ARG): Reject decimal float modes.
6490 (function_arg_advance): Likewise.
6491 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6492 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6493 point types in AltiVec vectors.
6494 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6495 (rs6000_libcall_value): Likewise.
6497 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6499 * config/xtensa/ieee754-df.S: New file.
6500 * config/xtensa/ieee754-sf.S: New file.
6501 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6502 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6503 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6505 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6507 * config/sh/predicates.md (binary_float_operator,
6508 binary_logical_operator, commutative_float_operator,
6509 equality_comparison_operator, greater_comparison_operator,
6510 less_comparison_operator, logical_operator,
6511 noncommutative_float_operator, shift_operator,
6512 symbol_ref_operand, unary_float_operator): Remove redundant
6515 2006-01-09 Jeff Law <law@redhat.com>
6517 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6518 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6519 now unused arguments. Callers updated.
6520 (eliminate_redundant_computations): Remove now unused arguments,
6522 (local_fold): Remove, no longer used.
6523 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6525 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6526 (simplify_cond): New function.
6527 (forward_propagate_into_cond): Call simplify_cond.
6529 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6531 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6532 (*vec_extractv2di_1_sse): New.
6534 2006-01-09 Ben Elliston <bje@au.ibm.com>
6536 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6538 2006-01-08 Richard Guenther <rguenther@suse.de>
6540 * tree-ssa-structalias.c (get_constraint_for): Remove
6542 (get_constraint_for_component_ref): Likewise.
6543 (do_deref): Likewise.
6544 (get_constraint_for): Likewise.
6545 (do_structure_copy): Likewise.
6546 (handle_ptr_arith): Likewise.
6547 (find_func_aliases): Likewise. Remove unused need_anyoffset
6550 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6551 Kaz Kojima <kkojima@gcc.gnu.org>
6553 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6554 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6555 (EXTRA_CONSTRAINT_C16): Remove.
6556 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6557 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6558 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6559 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6560 constants of SHmedia. Handle nested constant expressions of
6562 (andcosts): Fix the costs for SHmedia constants.
6563 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6564 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6565 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6566 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6567 (movv4hi_i, movv2si_i): Likewise.
6568 (movsi_const): Adjust the second operand of ior so to match with
6570 (movdi_const, movdi_const_32bit): Likewise.
6571 (movdi_const_16bit+1): Don't sign-extend LOW.
6572 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6574 (*double_shori): Fix the split condition. Use GEN_INT instead
6575 of get_int_mode calls. Mask lower 16-bit of the argument of
6577 (sym2GOTPLT): Remove.
6578 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6580 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6581 instead of EXTRA_CONSTRAINT_C16.
6583 2006-01-07 Ian Lance Taylor <ian@airs.com>
6584 David Edelsohn <edelsohn@gnu.org>
6586 PR rtl-optimization/25662
6587 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6588 for constant operands instead of simplify_gen_binary.
6589 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6590 after trying simplify_binary_operation
6592 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6594 * tree.c (iterative_hash_expr): Hash decls based on UID.
6596 2006-01-06 Eric Christopher <echristo@apple.com>
6598 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6599 (TARGET_UNWIND_EMIT): Fix spelling.
6600 * target.h (gcc_target): Add except_table_label.
6601 * except.c (output_function_exception_table): Use.
6602 * varasm.c (default_emit_except_table_label): New.
6603 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6605 (asm_out): Add here.
6606 * output.h (default_emit_except_table_label): Prototype.
6607 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6608 * config/darwin.c (darwin_emit_except_table_label): Define.
6609 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6611 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6613 PR tree-optimization/18527
6614 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6615 number_of_iterations_special, number_of_iterations_exit):
6616 Move base and step of an iv to a single structure. Add
6617 no_overflow flag, and use it in # of iterations analysis.
6618 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6619 folded_casts argument.
6620 (simple_iv): Pass base and step in a structure. Set no_overflow
6622 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6623 Evaluate expensiveness of computing # of iterations instead of
6624 the final expression.
6625 * tree-scalar-evolution.h (affine_iv): New structure.
6626 (simple_iv): Declaration changed.
6627 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6628 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6629 find_givs_in_stmt): Changed due to simple_iv change.
6631 2006-01-06 Jeff Law <law@redhat.com>
6634 * tree-cfg.c (bsi_replace): Rename final argument from
6635 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6636 change (stmt -> orig_stmt).
6637 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6638 (bsi_remove): Add new argument. Remove EH information
6640 (verify_eh_throw_table_statements): New function.
6641 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6643 * tree-optimize.c (execute_free_cfg_annotations): Verify
6644 the EH throw statement table after removing annotations.
6645 * except.h (verify_eh_throw_table_statements): Prototype.
6646 * tree-flow.h (bsi_remove): Update prototype.
6647 * tree-vrp.c (remove_range_assertions): Add new argument to
6649 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6650 * tree-complex.c (expand_complex_div_wide): Likewise.
6651 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6652 * tree-tailcall.c (eliminate_tailcall): Likewise.
6653 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6654 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6655 * tree-nrv.c (tree_nrv): Likewise.
6656 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6657 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6658 (combine_blocks): Likewise.
6659 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6660 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6661 (cleanup_control_flow): Likewise.
6662 (remove_forwarder_block): Likewise.
6663 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6664 * tree-sra.c (sra_replace): Likewise.
6665 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6666 (forward_propagate_single_use_vars): Likewise.
6667 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6668 * tree-inline.c (expand_call_inline): Likewise.
6669 * tree-vect-transform.c (vect_transform_loop): Likewise.
6670 * tree-outof-ssa.c (rewrite_trees): Likewise.
6671 * tree-cfg.c (make_goto_expr_edges): Likewise.
6672 (cleanup_dead_labels): Likewise.
6673 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6674 (bsi_move_before, bsi_move_after): Likewise.
6675 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6676 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6678 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6681 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6683 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6684 on non gimple variables. Also add checks at the top for decls and
6686 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6688 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6689 and IMAGPART_EXPR for creating MUST_DEFs.
6690 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6691 and NAME_MEMORY_TAG separately from the DECLs.
6693 2006-01-06 Richard Guenther <rguenther@suse.de>
6695 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6696 annotation, if necessary.
6697 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6698 redundant calls to update_stmt.
6699 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6702 2006-01-05 Richard Henderson <rth@redhat.com>
6704 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6706 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6708 * c-typeck.c: Update copyright date.
6710 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6712 * c-typeck.c (build_c_cast): Always warn when casting
6713 from a pointer to an integer of different size, even if
6714 the node was constant.
6716 2006-01-05 Richard Guenther <rguenther@suse.de>
6718 PR tree-optimization/22555
6719 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6720 if one structure field is an array.
6721 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6722 operands even if we found a subvar, but ignore VOPs in this
6724 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6726 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6728 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6731 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6733 2006-01-05 Richard Guenther <rguenther@suse.de>
6734 Diego Novillo <dnovillo@redhat.com>
6736 * tree-pass.h (TODO_remove_unused_locals): Define.
6737 * gimple-low.c (expand_var_p, remove_useless_vars,
6738 pass_remove_useless_vars): Remove. Update all users.
6739 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6740 (remove_unused_locals): New function.
6741 * tree-flow.h (remove_unused_locals): Declare.
6742 * passes.c (execute_todo): Call remove_unused_locals if
6743 TODO_remove_unused_locals is set.
6744 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6745 * tree-ssa-dce.c (pass_dce): Likewise.
6746 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6748 2006-01-05 Richard Guenther <rguenther@suse.de>
6750 * tree-flow.h (struct fieldoff): Decompose field to
6751 type, size and decl.
6752 * tree-ssa-alias.c (create_sft): Take type as parameter.
6753 (create_overlap_variables_for): Store type, size and decl
6754 in the fieldoff structure.
6755 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6757 (push_fields_onto_fieldstack): Likewise.
6758 (create_variable_info_for): Likewise. Use offset for the
6759 SFT name if the decl is not available.
6761 2006-01-04 Paul Brook <paul@codesourcery.com>
6763 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6765 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6767 * lambda-code.c (can_put_in_inner_loop): Relax
6769 (can_put_after_inner_loop): New function.
6770 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6771 (perfect_nestify): Change to make copies and modify uses.
6773 2006-01-04 Richard Henderson <rth@redhat.com>
6775 Merge from gomp branch:
6776 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6777 via integer constant.
6778 (pragma_lex): Remove.
6779 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6780 rather than parsing it.
6781 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6782 handle_pragma_extern_prefix): Add %< %> quotes.
6783 (registered_pragmas): New.
6784 (c_register_pragma_1): New.
6785 (c_register_pragma): Use it.
6786 (c_register_pragma_with_expansion): Likewise.
6787 (c_invoke_pragma_handler): New.
6788 (init_pragma): Use cpp_register_deferred_pragma directly for
6790 * c-pragma.h (enum pragma_kind): New.
6791 (pragma_handler): New.
6792 (c_invoke_pragma_handler): Declare.
6793 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6795 * c-common.h (c_common_pch_pragma): Update decl.
6796 * Makefile.in (c-parser.o): Update dependencies.
6797 (GTFILES): Add c-pragma.h.
6798 * c-parser.c (struct c_token): Add pragma_kind.
6799 (struct c_parser): Add in_pragma.
6800 (c_lex_one_token): Always initialize keyword and pragma_kind.
6801 Extract data for CPP_PRAGMA.
6802 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6803 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6804 Don't allow CPP_PRAGMA_EOL if in_pragma.
6805 (c_parser_consume_pragma): New.
6806 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6807 (c_parser_skip_to_end_of_parameter): Likewise.
6808 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6809 (c_parser_skip_to_pragma_eol): New.
6810 (c_parser_external_declaration): Handle CPP_PRAGMA.
6811 (c_parser_compound_statement_nostart): Likewise.
6812 (c_parser_statement_after_labels): Likewise.
6813 (c_parser_pragma): New.
6814 (pragma_lex): Likewise.
6815 (c_parser_pragma_pch_preprocess): New.
6816 (c_parser_new): Merge into ...
6817 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6819 2006-01-04 Jeff Law <law@redhat.com>
6822 * tree-cfg.c (bsi_replace): Remove the original statement
6823 from the EH throw statement table.
6825 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6827 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6828 make the prototype extern "C" and add throw ().
6831 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6832 and pos non-negative and pos + len <= 32.
6833 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6834 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6835 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6838 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6839 as well as sizes not multiple of component size.
6842 * function.c (instantiate_expr): New function.
6843 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6844 walk its DECL_VALUE_EXPR with instantiate_expr.
6846 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6847 DW_OP_deref{,_size} if address isn't going to be added.
6849 2006-01-04 Ben Elliston <bje@au.ibm.com>
6851 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6852 * config/fp-bit.c: Likewise.
6854 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6856 * dominance.c: Add comment about why we use DFS numbering
6859 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6860 Richard Henderson <rth@redhat.com>
6862 Merge from gomp-branch:
6863 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6864 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6866 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6868 PR rtl-optimization/25578
6869 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6870 pass a parameter to simplify_shift_const if changing ASHIFTRT
6873 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6875 * builtins.c (get_builtin_sync_mem): New function.
6876 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6877 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6878 Call get_builtin_sync_mem to generate mem rtx.
6880 2006-01-03 Richard Guenther <rguenther@suse.de>
6883 * stmt.c (add_case_node): Make sure to clear overflow flags
6886 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6888 Merge from gomp-branch.
6889 * config/sparc/sync.md: New file.
6890 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6891 UNSPECV_LDSTUB): New constants.
6892 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6893 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6894 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6897 2006-01-03 Roger Sayle <roger@eyesopen.com>
6899 * combine.c (reg_subword_p): New predicate to test whether the
6900 destination of a set refers to a subword/piece of a register.
6901 (try_combine): Generalize the code to merge the setting of a
6902 pseudo to a constant followed by a set of a subword of that
6903 register to a constant.
6905 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6907 * basic-block.h (control_flow_graph): Change the type of
6908 x_label_to_block_map to VEC(basic_block,gc) *.
6909 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6910 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6912 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6913 VEC(basic_block,heap) *.
6914 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6915 ssa_prop_fini): Adjust the uses of cfg_blocks.
6917 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6919 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6921 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6922 hashing trees instead of a pointer hash.
6923 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6924 compare for MEM_EXPR.
6926 PR rtl-optimization/25130
6927 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6928 when comparing MEMs for GCSE
6930 2006-01-03 Ben Elliston <bje@au.ibm.com>
6932 * targhooks.h (default_decimal_float_supported_p): Declare.
6933 * targhooks.c (default_decimal_float_supported_p): Define.
6934 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6935 `default_decimal_float_supported_p'.
6936 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6938 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6940 * combine.c (apply_distributive_law <SUBREG>): Check
6941 TRULY_NOOP_TRUNCATION.
6943 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6945 * dwarf2out.c (have_switched_text_section): Delete.
6946 (have_multiple_function_sections): New.
6947 (have_location_lists): Make 'bool'.
6948 (add_AT_loc_list): Use 'true' not '1'.
6949 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6950 (output_loc_list): Use have_multiple_function_sections.
6951 (output_ranges): Likewise.
6952 (dwarf2out_begin_function): Set have_multiple_function_sections if
6954 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6955 Check function_section rather than DECL_SECTION_NAME.
6956 (dwarf2out_finish): Use have_multiple_function_sections.
6957 Don't clear have_location_lists.
6959 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6960 Jan Hubicka <jh@suse.cz>
6962 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6963 case of conditional jump jumping to the next instruction.
6964 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6965 cases of conditional jump jumping to the next instruction.
6967 2006-01-02 Jan Hubicka <jh@suse.cz>
6969 * i386.c (*_cost): Add COSTS_N_INSNS.
6970 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6972 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6975 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6977 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6979 * config/arm/arm.c (all_fpus): Fix comment typo.
6980 * config/darwin.c: Likewise.
6981 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6982 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6983 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6985 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6987 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6988 (rs6000_split_compare_and_swapqhi): New.
6989 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6990 (sync_compare_and_swapqhi_internal): New.
6991 * config/rs6000/rs6000-protos.h: Declare.
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