1 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3 * gcc/tree-vrp.c (execute_vrp): Return value.
4 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
5 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
6 * gcc/tree-complex.c (tree_lower_complex): Ditto.
7 (tree_lower_complex_O0): Ditto.
8 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
9 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
11 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
12 (execute_tail_calls): Ditto.
13 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14 * gcc/tree.h (init_function_for_compilation): Ditto.
15 * gcc/ipa-cp.c (ipcp_driver): Ditto.
16 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
17 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
18 * gcc/final.c (compute_alignments): Ditto.
19 (rest_of_handle_final): Ditto.
20 (rest_of_handle_shorten_branches): Ditto.
21 (rest_of_clean_state): Ditto.
22 * gcc/omp-low.c (execute_expand_omp): Ditto.
23 (execute_lower_omp): Ditto.
24 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
25 * gcc/ipa-reference.c (static_execute): Ditto.
26 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
27 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
28 (rest_of_handle_machine_reorg): Ditto.
29 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
30 * gcc/flow.c (recompute_reg_usage): Ditto.
31 (rest_of_handle_remove_death_notes): Ditto.
32 (rest_of_handle_life): Ditto.
33 (rest_of_handle_flow2): Ditto.
34 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
35 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
36 (do_ssa_store_ccp): Ditto.
37 (execute_fold_all_builtins): Ditto.
38 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
39 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
40 * gcc/ipa-pure-const.c (static_execute): Ditto.
41 * gcc/cse.c (rest_of_handle_cse): Ditto.
42 (rest_of_handle_cse2): Ditto.
43 * gcc/web.c (rest_of_handle_web): Ditto.
44 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
45 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
46 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
47 * gcc/tree-nrv.c (tree_nrv): Ditto.
48 (execute_return_slot_opt): Ditto.
49 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
50 (create_structure_vars): Ditto.
51 * gcc/loop-init.c (rtl_loop_init): Ditto.
52 (rtl_loop_done): Ditto.
53 (rtl_move_loop_invariants): Ditto.
54 (rtl_unswitch): Ditto.
55 (rtl_unroll_and_peel_loops): Ditto.
57 * gcc/gimple-low.c (lower_function_body): Ditto.
58 (mark_used_blocks): Ditto.
59 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
60 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
61 (cgraph_early_inlining): Ditto.
62 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
63 * gcc/jump.c (cleanup_barriers): Ditto.
64 (purge_line_number_notes): Ditto.
65 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
66 (rest_of_handle_if_after_reload): Ditto.
67 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
68 (tree_ssa_loop_im): Ditto.
69 (tree_ssa_loop_unswitch): Ditto.
70 (tree_vectorize): Ditto.
71 (tree_linear_transform): Ditto.
72 (tree_ssa_loop_ivcanon): Ditto.
73 (tree_ssa_empty_loop): Ditto.
74 (tree_ssa_loop_bounds): Ditto.
75 (tree_complete_unroll): Ditto.
76 (tree_ssa_loop_prefetch): Ditto.
77 (tree_ssa_loop_ivopts): Ditto.
78 (tree_ssa_loop_done): Ditto.
79 * gcc/predict.c (tree_estimate_probability): Ditto.
80 * gcc/recog.c (split_all_insns_noflow): Ditto.
81 (rest_of_handle_peephole2): Ditto.
82 (rest_of_handle_split_all_insns): Ditto.
83 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
84 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
85 (rest_of_handle_stack_adjustments): Ditto.
86 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
87 * gcc/function.c (instantiate_virtual_regs): Ditto.
88 (init_function_for_compilation): Ditto.
89 (rest_of_handle_check_leaf_regs): Ditto.
90 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
91 (rest_of_handle_gcse): Ditto.
92 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
93 * gcc/alias.c (rest_of_handle_cfg): Ditto.
94 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
95 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
96 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
97 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
98 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
99 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
100 * gcc/except.c (set_nothrow_function_flags): Ditto.
101 (convert_to_eh_region_ranges): Ditto.
102 (rest_of_handle_eh): Ditto.
103 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
104 (remove_unnecessary_notes): Ditto.
105 * gcc/except.h (set_nothrow_function_flags): Ditto.
106 (convert_to_eh_region_ranges): Ditto.
107 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
108 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
109 * gcc/tree-ssa-pre.c (do_pre): Ditto.
110 (execute_fre): Ditto.
111 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
112 (rest_of_handle_jump2): Ditto.
113 * gcc/tree-sra.c (tree_sra): Ditto.
114 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
115 (execute_mudflap_function_decls): Ditto.
116 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
117 (do_store_copy_prop): Ditto.
118 * gcc/ipa-prop.h (ipcp_driver): Ditto.
119 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
120 * gcc/tree-ssa-forwprop.c
121 (tree_ssa_forward_propagate_single_use_vars): Ditto.
122 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
123 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
124 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
125 (execute_late_warn_uninitialized): Ditto.
126 * gcc/rtl.h (cleanup_barriers): Ditto.
127 (split_all_insns_noflow): Ditto.
128 (purge_line_number_notes): Ditto.
129 (unshare_all_rtl): Ditto.
130 (remove_unnecessary_notes): Ditto.
131 (recompute_reg_usage): Ditto.
132 (variable_tracking_main): Ditto.
133 * gcc/integrate.c (emit_initial_value_sets): Ditto.
134 * gcc/integrate.h (emit_initial_value_sets): Ditto.
135 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
136 (execute_free_cfg_annotations): Ditto.
137 (execute_fixup_cfg): Ditto.
138 (execute_cleanup_cfg_pre_ipa): Ditto.
139 (execute_cleanup_cfg_post_optimizing): Ditto.
140 (execute_init_datastructures): Ditto.
141 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
142 * gcc/combine.c (rest_of_handle_combine): Ditto.
143 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
144 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
145 (rest_of_handle_reorder_blocks): Ditto.
146 (rest_of_handle_partition_blocks): Ditto.
147 * gcc/var-tracking.c (variable_tracking_main): Ditto.
148 * gcc/tree-profile.c (tree_profiling): Ditto.
149 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
150 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
151 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
152 (rest_of_handle_sched2): Ditto.
153 * gcc/basic-block.h (free_bb_insn): Ditto.
154 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
155 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
156 (remove_useless_stmts): Ditto.
157 (split_critical_edges): Ditto.
158 (execute_warn_function_return): Ditto.
159 (execute_warn_function_noreturn): Ditto.
160 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
161 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
162 * gcc/passes.c (execute_one_pass): Run additional
163 todos returned by execute function.
164 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
167 2006-03-02 Richard Guenther <rguenther@suse.de>
169 * tree-ssa-alias.c (find_used_portions): Consider taking
170 the address as making the variable not write-only.
172 2006-03-02 Nick Clifton <nickc@redhat.com>
174 * config.gcc (default_use_cxa_atexit): Extend the description of
175 this configure variable. Set its default value to "yes" for
176 Linux, NetBSD and ELF targets on the assumption that they will
177 use C libraries with the __cxa_atexit function.
179 2006-03-02 Ben Elliston <bje@au.ibm.com>
181 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
182 parameter as unused to suppress a build warning.
184 2006-03-02 Ben Elliston <bje@au.ibm.com>
186 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
189 2006-03-01 Roger Sayle <roger@eyesopen.com>
192 * gthr-posix.h (__gthrw2): Define to take three parameters, the
193 declared name, the weak reference name, and the typeof name.
194 (__gthrw): Avoid expanding the declared name suffix.
195 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
197 2006-03-01 Jakub Jelinek <jakub@redhat.com>
199 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
201 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
202 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
203 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
204 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
205 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
206 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
207 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
208 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
209 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
210 DW_DS_leading_separate, DW_DS_trailing_separate): New.
211 (DW_END_default, DW_END_big, DW_END_little): New.
212 (DW_END_lo_user, DW_END_hi_user): Define.
213 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
214 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
215 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
218 2006-03-01 Diego Novillo <dnovillo@redhat.com>
220 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
222 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
224 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
226 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
228 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
231 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
234 2006-03-01 Roger Sayle <roger@eyesopen.com>
236 * builtins.c (fold_builtin_copysign): Delete unreachable code.
238 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
241 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
242 MACHO_DYNAMIC_NO_PIC_P.
243 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
245 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
248 * config/darwin-protos.h (darwin_asm_output_anchor):
250 * config/darwin-sections.def (cstring_section):
251 Add SECTION_MERGE to the flags.
252 (literal4_section): Likewise.
253 (literal8_section): Likewise.
254 (objc_selector_refs_section): Likewise.
255 (objc_cls_refs_section): Likewise.
256 * config/darwin.c (darwin_asm_output_anchor): New
258 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
260 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
262 Fix PR tree-optimization/26443
263 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
264 to todo and PROP_tmt_usage to properties_destroyed.
265 * tree-ssa-ccp.c (pass_ccp): Ditto.
266 (pass_store_ccp): Ditto.
267 * tree-ssa-dom.c (pass_dominator): Ditto.
269 2006-03-01 Diego Novillo <dnovillo@redhat.com>
271 * tree-ssa-operands.c: Cleanup whitespace.
272 (get_asm_expr_operands): Move before first invocation.
273 (get_indirect_ref_operands): Likewise.
274 (get_tmr_operands): Likewise.
275 (get_call_expr_operands): Likewise.
276 (append_def): Likewise.
277 (append_use): Likewise.
278 (append_v_may_def): Likewise.
279 (append_v_must_def): Likewise.
280 (add_call_clobber_ops): Likewise.
281 (add_call_read_ops): Likewise.
282 (add_stmt_operand): Likewise.
283 (add_virtual_operand): Likewise.
284 (build_ssa_operands): Likewise.
286 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
291 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
292 with a call expr to ...
293 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
295 2006-03-01 Diego Novillo <dnovillo@redhat.com>
297 * tree-vrp.c (extract_range_from_assert): Remove special
298 handling for types with super-types.
300 2006-03-01 Ben Elliston <bje@au.ibm.com>
302 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
303 and powerpc64-*-linux* configurations.
304 * config/t-dfprules: New file.
306 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
307 Compile dfp-bit.c from the source directory using -DWIDTH and
308 $DFP_CFLAGS to control the compilation of that file, rather than
309 generating width-specific versions in the build directory.
310 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
311 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
313 2006-02-28 Zack Weinberg <zackw@panix.com>
315 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
318 2006-02-28 Eric Christopher <echristo@apple.com>
320 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
321 Set up IN_LIBGCC definition of TARGET_64BIT.
322 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
324 2006-02-28 Roger Sayle <roger@eyesopen.com>
327 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
328 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
329 cases via the construction of "expr != 0".
331 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
333 * alias.c (alias_invariant, alias_invariant_size): Remove.
334 (record_base_value): Remove.
335 (memrefs_conflict_p): Don't look at alias_invariant.
336 (end_alias_analysis): Don't free it.
337 * alias.h (record_base_value): Remove prototype.
339 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
340 Adam Nemet <anemet@caviumnetworks.com>
342 * rtl.h (truncated_to_mode): Declare it.
343 (struct rtl_hooks): Add reg_truncated_to_mode hook.
344 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
345 (RTL_HOOKS_INITIALIZER): Include it.
346 * rtlhooks.c (reg_truncated_to_mode_general): New function.
347 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
348 reg_truncated_to_mode.
349 * rtlanal.c (truncated_to_mode): Define it.
350 * simplify-rtx.c (simplify_unary_operation_1): Use it.
352 2006-02-28 Jeff Law <law@redhat.com>
354 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
355 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
356 the range allowed by TYPE_PRECISION.
358 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
360 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
362 PR tree-optimization/26419
363 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
366 2006-02-27 Zack Weinberg <zackw@panix.com>
368 * doc/md.texi: Fix typo in previous change.
370 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
374 2006-02-27 Zack Weinberg <zackw@panix.com>
376 * rtl.def (define_constraint, define_register_constraint)
377 (define_memory_constraint, define_address_constraint): New MD forms.
378 * gensupport.c (process_rtx): Put define_constraint etc on the
380 * genpreds.c (process_define_predicate): Adjust comment. Validate
381 the name, and call validate_exp to validate the expression.
382 (mark_mode_tests, write_extract_subexp): Can assume correct input.
383 (write_predicate_expr): Likewise. NAME argument no longer necessary;
385 (validate_exp, needs_variable, struct constraint_data)
386 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
387 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
388 (const_dbl_constraints, constraint_max_namelen)
389 (have_register_constraints, have_memory_constraints)
390 (have_address_constraints, have_address_constraints)
391 (have_extra_constraints, have_const_int_constraints)
392 (have_const_dbl_constraints, mangle, add_constraint)
393 (process_define_constraint, process_define_register_constraint)
394 (write_enum_constraint_num, write_lookup_constraint)
395 (write_insn_constraint_len, write_regclass_for_constraint)
396 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
397 (write_insn_extra_memory_constraint)
398 (write_insn_extra_address_constraint)
399 (write_satisfies_constraint_fns): New.
400 (write_tm_preds_h): If we have new-style constraint definitions,
401 prototype the functions generated from them, and define the
402 old constraint interface (still used by generic code) in terms of
404 (write_insn_preds_c): If we have new-style constraint definitions,
405 generate all relevant functions from those definitions.
406 (main): Handle define_constraint etc.
407 * genoutput.c (struct constraint_data, indep_constraints)
408 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
409 (mdep_constraint_len): New data structures and functions, defined
410 #ifdef USE_MD_CONSTRAINTS.
411 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
412 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
413 use new logic to validate operand constraints against constraint
415 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
417 * defaults.h: If none of the old-style constraint macros are
418 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
419 old-style macros; and poison REG_CLASS_FROM_LETTER,
420 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
422 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
423 * doc/md.texi: Document new constraint-definition mechanism and the
424 C interface it provides. Remove references to old mechanism
425 elsewhere in the document.
426 (Machine Constraints): Use pathnames relative to gcc directory,
427 i.e. config/ARCH/FILE. Change i386 section to refer to
428 config/i386/predicates.md; update that section to match docstrings.
429 * doc/tm.texi: Move all documentation of the old constraint-
430 definition macros to their own section, clearly mark as obsolete.
432 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
433 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
435 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
436 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
437 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
439 (splits and peepholes): Use satisfies_constraint_*.
440 * config/i386/i386.c (memory_address_length)
441 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
443 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
445 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
446 scalar operation to be put back into the loop.
448 2006-02-27 Jakub Jelinek <jakub@redhat.com>
451 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
452 (extract_cie_info): Handle S flag in augmentation string.
453 (execute_cfa_program): If context->signal_frame, execute also
454 fs->pc == context->ra instructions.
455 (uw_frame_state_for): If context->signal_frame, don't subtract one
456 from context->ra to find FDE.
457 (uw_update_context_1): Set context->signal_frame to
459 (_Unwind_GetIPInfo): New function.
460 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
461 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
463 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
464 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
465 * unwind-compat.c (_Unwind_GetIPInfo): New function.
466 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
467 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
468 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
469 * config/i386/linux-unwind.h (x86_fallback_frame_state,
470 x86_64_fallback_frame_state): Set fs->signal_frame.
471 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
472 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
473 (frob_update_context): Likewise. Workaround missing S flag in
474 Linux 2.6.12 - 2.6.16 kernel vDSOs.
475 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
476 Remove the psw_addr + 1 hack.
478 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
480 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
481 with aggregates here.
482 (find_func_aliases): Remove code for &<aggregate> from here.
484 2006-02-26 Roger Sayle <roger@eyesopen.com>
486 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
487 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
488 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
491 2006-02-26 Roger Sayle <roger@eyesopen.com>
494 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
496 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
498 * opts.c (decode_options): Do not handle flag_strength_reduce.
499 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
500 and OPT_fstrength_reduce.
501 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
502 flag_prefetch_loop_arrays for being nonzero.
503 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
505 (fprefetch-loop-arrays-rtl): Removed.
506 (flag_prefetch_loop_arrays): Do not specify the value.
508 * doc/passes.texi: Update documentation of loop optimizer
510 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
511 -frerun-loop-opt): Remove.
513 2006-02-26 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/26421
516 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
517 in function calls that are ADDR_EXPRs as using the whole structure.
519 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
521 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
522 * tree-pass.h (pass_loop_optimize): Remove.
523 * passes.c (pass_loop_optimize): Never run it.
524 * toplev.c (backend_init): Don't call init_loop.
525 * opts.c (flag_loop_optimize_set): Remove.
526 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
527 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
528 the old RTL loop optimizer when profiling enabled.
529 * predict.c (tree_estimate_probability): Always strip builtin_expect.
530 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
531 pre-headers for the sake of the old RTL loop optimizer.
532 * Makefile.in: Remove all references to loop.o.
534 * doc/invoke.texi: Remove all references to -floop-optimize
535 and -frerun-loop-opt.
537 2006-02-26 Zack Weinberg <zackw@panix.com>
539 * doc/md.texi (Machine Constraints): Refer to all files with paths
540 relative to gcc directory (i.e. config/CPU/file). Add missing
541 @table @code ... @end table to M32C subsection.
543 2006-02-26 Roger Sayle <roger@eyesopen.com>
545 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
547 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
549 2006-02-26 Roger Sayle <roger@eyesopen.com>
550 James A. Morrison <phython@gcc.gnu.org>
553 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
554 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
555 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
556 signedness of the shift operation.
558 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
560 PR tree-optimization/26359
561 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
563 2006-02-25 Roger Sayle <roger@eyesopen.com>
565 * simplify-rtx.c (simplify_relational_operation_1): Simplify
566 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
567 as X == 0, and some symmetry related transformations.
568 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
570 2006-02-25 Roger Sayle <roger@eyesopen.com>
573 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
574 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
575 symmetry related transformations. Fold (X^C1) == C2 as
578 2006-02-25 Juergen Weigert <jw@suse.de>
579 Richard Guenther <rguenther@suse.de>
581 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
583 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
585 * combine.c (gen_lowpart_or_truncate): Call
586 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
588 2006-02-24 Diego Novillo <dnovillo@redhat.com>
590 * doc/invoke.texi: Move -fopenmp description to "Options for
592 Remove reference to -lgomp.
594 2006-02-24 David Edelsohn <edelsohn@gnu.org>
596 * doc/install.texi: Require GNU tar version 1.14.
598 2006-02-24 Geoffrey Keating <geoffk@apple.com>
600 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
601 * doc/invoke.texi (C++ Dialect Options): Document
602 -fno-use-cxa-get-exception-ptr.
603 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
604 * configure: Regenerate.
605 * c.opt (fuse-cxa-get-exception-ptr): New.
606 * c-opts.c (c_common_handle_option): Handle
607 OPT_fuse_cxa_get_exception_ptr.
608 * c-common.c (flag_use_cxa_atexit): Update documentation.
609 (flag_use_cxa_get_exception_ptr): New.
610 * c-common.h (flag_use_cxa_get_exception_ptr): New.
611 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
613 (C_COMMON_OVERRIDE_OPTIONS): New.
615 2006-02-24 Roger Sayle <roger@eyesopen.com>
618 * combine.c (try_combine): Explicitly check whether GET_CODE is
619 a SET or a CLOBBER, instead on checking that it isn't a USE.
621 2006-02-24 Roger Sayle <roger@eyesopen.com>
623 * fold-const.c (fold_comparison): New subroutine of fold_binary
624 containing transformations common to both the equality and
625 ordering relational operators, factored out of fold_binary.
626 (fold_binary): Separate out the equality operators (EQ_EXPR
627 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
628 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
629 transformations common to both.
630 (fold_div_compare): Fix latent bugs in the previously unreachable
631 LT_EXPR and GE_EXPR cases.
633 2006-02-24 David Edelsohn <edelsohn@gnu.org>
635 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
636 decl libname for clog to __clog on AIX.
638 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
640 2006-02-24 Alan Modra <amodra@bigpond.net.au>
643 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
644 output traceback table for thunks. Localise rs6000_stack_info call.
646 2006-02-23 Roger Sayle <roger@eyesopen.com>
647 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
649 * gthr-posix.h (__gthrw): Fix typo in comment.
651 2006-02-23 Geoffrey Keating <geoffk@apple.com>
653 * doc/cpp.texi (Character sets): Document that we do support
654 input files to be in any character set.
656 2006-02-23 Jeff Law <law@redhat.com>
658 * tree.h (PHI_ARG_NONZERO): Remove.
659 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
660 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
661 node to the new node.
663 PR tree-optimization/26425
664 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
665 min/max, then assume its varying.
667 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
669 PR rtl-optimization/26316
670 * rtlanal.c (enum may_trap_p_flags): New.
671 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
672 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
673 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
674 (may_trap_after_code_motion_p): New function.
675 * loop-invariant.c (find_identical_invariants): Fix dump formating.
676 (find_invariant_insn): Use may_trap_after_code_motion_p.
677 * rtl.h (may_trap_after_code_motion_p): Declare.
679 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
681 * emit-rtl.c (immed_double_const): Cleanup.
683 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
685 Fix PR tree-optimization/26376
686 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
689 2006-02-23 Jakub Jelinek <jakub@redhat.com>
692 * gimplify.c (omp_add_variable): Guard variable size decl test with
693 DECL_SIZE (decl) check.
695 2006-02-23 Richard Guenther <rguenther@suse.de>
698 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
699 like aggregate types.
701 2006-02-23 Jakub Jelinek <jakub@redhat.com>
703 * configure.ac: Add --with{,out}-long-double-128 configure option.
704 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
705 * configure: Rebuilt.
706 * config.in: Rebuilt.
707 * doc/install.texi (Options specification): Document
708 --with-long-double-128.
710 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
711 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
712 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
713 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
715 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
717 * config/s390/s390.c (override_options): Handle
718 TARGET_DEFAULT_LONG_DOUBLE_128.
720 * config/alpha/alpha.c (override_options): Handle
721 TARGET_DEFAULT_LONG_DOUBLE_128.
723 * config/sparc/sparc.c (sparc_override_options): Handle
724 TARGET_DEFAULT_LONG_DOUBLE_128.
726 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
728 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
729 (real-install-headers-tar, real-install-headers-cpio)
730 (real-install-headers-cp): New targets.
732 2006-02-22 Richard Sandiford <richard@codesourcery.com>
734 * tree.h (variable_section): Delete.
735 * varasm.c (variable_section): Delete.
737 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
739 * install.texi: Add notes on install.texi2html.
740 (Building in parallel): Do not use footnotes.
742 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
745 * doc/install.texi (Configuration): Document --disable-libgomp.
747 2006-02-21 Geoffrey Keating <geoffk@apple.com>
749 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
751 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
753 * config/i386/sse.md (vec_extractv2df_1_sse): New.
754 (vec_extractv2df_0_sse): New.
756 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
758 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
759 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
760 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
761 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
762 to the result of the expression.
764 (frame_pointer_cfa_offset): Rename to...
765 (frame_pointer_fb_offset): ... this. Adjust all uses.
766 (convert_cfa_to_loc_list): Rename to...
767 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
768 Pass it on to build_cfa_loc.
769 (compute_frame_pointer_to_cfa_displacement): Rename to...
770 (compute_frame_pointer_to_fb_displacement): ... this. New
771 offset parameter. Use it in computation.
772 (gen_subprogram_die): Compute cfa_fb_offset with the new
773 macro, and use it to compute the fb loc list and the
776 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
778 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
779 replaced with register_operand.
780 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
781 non-DREG is expensive.
782 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
783 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
786 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
788 * doc/install.texi2html: Use set -e.
790 2006-02-21 Richard Sandiford <richard@codesourcery.com>
792 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
793 (ASM_OUTPUT_SHARED_LOCAL): Delete.
794 * doc/invoke.texi (-fshared-data): Delete.
795 * common.opt (fshared-data): Delete.
796 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
797 (assemble_static_space): Remove #if 0 code.
798 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
799 (ASM_OUTPUT_SHARED_LOCAL): Poison.
800 * config/cris/cris.h: Remove FIXME.
802 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
804 * doc/sourcebuild.texi (Front End Directory): No more double-colon
807 2006-02-21 Jakub Jelinek <jakub@redhat.com>
810 * combine.c (simplify_shift_const_1): Disable nested shifts
811 optimization for vector shifts.
813 2006-02-20 Roger Sayle <roger@eyesopen.com>
815 PR tree-optimization/26361
816 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
817 of unsigned integer types.
819 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
821 * tree-chrec.c (eq_evolutions_p): New.
822 * tree-chrec.h (eq_evolutions_p): Declared.
823 * tree-data-ref.c: Fix formatting.
824 (datadep_stats, dependence_stats): New.
826 (print_direction_vector): New.
827 (dump_data_dependence_relation): Use print_direction_vector.
828 (object_analysis, create_data_ref): Handle COMPONENT_REF.
829 (compute_subscript_distance): Static.
830 (initialize_data_dependence_relation): Static. Get the number
831 of loops surrounding the references from the callers, and initialize
832 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
833 base_object_differ_p analyzers.
834 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
835 compute_overlap_steps_for_affine_1_2,
836 analyze_subscript_affine_affine): Count the classified dependences.
837 Print a message when a test failed.
838 (can_use_analyze_subscript_affine_affine): New.
839 (analyze_siv_subscript): Compute the data dependences on symbolic
840 scevs that verify can_use_analyze_subscript_affine_affine.
841 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
842 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
843 Handle symbolic scevs.
844 (analyze_overlapping_iterations): Let symbolic affine scevs to be
846 (subscript_dependence_tester): Moved...
847 (build_classic_dist_vector, build_classic_dir_vector): Don't use
848 lambda_vector_clear on newly allocated vectors. Get nb_loops from
849 DDR_SIZE_VECT instead of getting it in parameter.
850 (subscript_dependence_tester): ... here. Take as a parameter
851 loop_nest_depth. Call build_classic_dist_vector and
852 build_classic_dir_vector.
853 (compute_affine_dependence): Update subscript_dependence_tester
854 parameters. Update datadep_stats counters. Call
855 compute_subscript_distance.
856 (compute_self_dependence): Save the dist and dir vectors. Call
857 compute_subscript_distance.
858 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
859 (compute_all_dependences): Reorder parameters as they were before
860 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
861 compute_subscript_distance. Update the use of
862 compute_affine_dependence and initialize_data_dependence_relation.
863 (find_data_references_in_loop): Handle COMPONENT_REF.
864 (compute_data_dependences_for_loop): Initialize dependence_stats.
865 Don't call build_classic_dist_vector and build_classic_dir_vector.
866 Update the parameters of initialize_data_dependence_relation and
867 compute_all_dependences. Print the statistics from datadep_stats.
868 (analyze_all_data_dependences): Static. Not used until the pass for
869 checking the data dependences is contributed.
870 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
871 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
872 (initialize_data_dependence_relation, compute_affine_dependence,
873 analyze_all_data_dependences, compute_subscript_distance): Removed.
874 (print_direction_vector): New.
875 * lambda.h (gcd): ... here.
876 (lambda_vector_gcd): Moved here from gcd_vector.
877 * lambda-code.c (gcd, gcd_vector): Removed.
878 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
879 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
881 2006-02-20 Diego Novillo <dnovillo@redhat.com>
883 * ipa-type-escape.c: Tidy some comments and white space.
884 * tree-ssa-operands.c: Likewise.
886 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
889 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
890 (dump_decl_name): Do not walk the decl tree chains.
891 * tree-pass.h (TDF_CHAIN): Remove.
893 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
895 * Makefile.in (C): Remove
897 (.PHONY): Remove C and PROTO
899 2006-02-20 Roger Sayle <roger@eyesopen.com>
902 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
903 deprecated CHAR_TYPE tree code.
905 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
907 * configure.ac (target_list): Add install-info, dvi, html.
908 * configure: Regenerate.
910 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
911 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
912 treelang/Make-lang.in: Do not use double-colon rules.
914 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
916 * tree.h (struct tree_memory_tag): Add is_used_alone member.
917 (TMT_USED_ALONE): New macro.
918 * tree-pass.h (PROP_tmt_usage): New property.
919 (TODO_update_tmt_usage): New todo.
920 * tree-ssa-alias.c (updating_used_alone): New variable.
921 (recalculate_used_alone): New function.
922 (compute_may_aliases): Set updating_used_alone, call
923 recalculate_used_alone.
924 * tree-sra.c (pass_sra): Note that this pass destroys
925 PROP_tmt_usage, and add TODO_update_tmt_usage.
926 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
927 * tree-flow.h (updating_used_alone): Prototype.
928 (recalculate_used_alone): Ditto.
929 * passes.c (execute_todo): Add code to set updating_used_alone,
930 and call recalculate.
931 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
932 for clobber if used alone, and add assert to verify used_alone
935 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
937 * config/s390/s390.c (legitimize_pic_address): Assertions checking
938 for non tls symbols added.
939 (legitimize_address): Do nothing for PLUS expressions if one of the
940 addends is a tls symbol reference.
942 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
946 * Makefile.in (LDFLAGS): Define from autoconf substitution.
948 * Makefile.in (BOOTSTRAPPING): New.
949 (quickstrap): New definition if BOOTSTRAPPING=yes.
951 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
952 * configure.ac: Substitute all_selected_languages with the languages
953 that were configured. For all the other variables except
954 lang_specs_files, include all the languages in the tree.
955 * configure: Regenerate.
957 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
958 if there is one. Run the commands to run fixincludes in the same
961 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
962 * doc/install.texi: Document exact conventions for searching target tools.
963 Document --with-build-time-tools. Document toplevel bootstrap. Document
964 something more about building an Ada cross-compiler. Don't list GNU Make
965 requirements which affect all platforms.
967 2006-02-19 Roger Sayle <roger@eyesopen.com>
970 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
971 only equivalent if the have both the same mode and precision.
973 2006-02-20 Ben Elliston <bje@au.ibm.com>
975 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
977 2006-02-19 Roger Sayle <roger@eyesopen.com>
978 Steven Bosscher <stevenb.gcc@gmail.com>
980 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
981 constant pool references to identify stack mode constants.
982 * rtlanal.c (constant_pool_constant_p): New predicate to check
983 whether operand is a floating point constant in the pool.
984 * rtl.h (constant_pool_constant_p): Prototype here.
985 * loop.c (scan_loop): Avoid hoisting constants from the constant
986 pool on STACK_REGS targets.
987 (load_mems): Likewise.
988 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
989 loads into x87 registers expensive in terms of register pressure.
991 2006-02-19 Roger Sayle <roger@eyesopen.com>
993 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
994 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
996 2006-02-19 David Edelsohn <edelsohn@gnu.org>
998 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
999 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1001 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1003 * doc/invoke.texi: Document -fipa-pta.
1004 * common.opt: Add ipa-pta option.
1005 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1006 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1007 (do_ds_constraint): Ditto.
1008 (get_constraint_for): Only add to referenced_vars if
1009 referenced_vars exists.
1010 (insert_into_field_list): Rewrite to do this unsorted.
1011 (insert_into_field_list_sorted): Rename old insert_into_field_list
1013 (create_function_info_for): Use insert_into_field_list_sorted.
1014 (create_variable_info_for): Rewrite so it uses unsorted version,
1015 since the field list is sorted.
1016 (intra_create_variable_infos): Only add to referenced_vars if
1017 referenced_vars exists.
1018 (ipa_pta_execute): Init heapvars, and delete when done.
1019 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1021 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1023 * doc/install.texi: Add missing `@samp'.
1025 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1027 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1030 2006-02-18 Mark Wielaard <mark@klomp.org>
1032 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1033 who added new 4.1 features, bug fixes and integration support.
1035 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1038 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1041 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1043 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1044 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1045 (copy_insn_1): Likewise. Don't copy each field individually.
1047 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1049 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1050 * rtl.c (rtx_size): Rename variable to...
1051 (rtx_code_size): ...this.
1052 (rtx_size): New function.
1053 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1054 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1056 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1057 * rtl.h (rtx_code_size): New variable.
1058 (rtx_size): Change from a variable to a function.
1059 (RTX_SIZE): Rename to...
1060 (RTX_CODE_SIZE): ...this.
1063 PR tree-optimization/17106
1064 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1065 (Anchored Addresses): New section.
1066 * doc/invoke.texi (-fsection-anchors): Document.
1067 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1068 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1069 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1070 * hooks.c (hook_bool_mode_rtx_false): New function.
1071 * hooks.h (hook_bool_mode_rtx_false): Declare.
1072 * gengtype.c (create_optional_field): New function.
1073 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1074 SYMBOL_REF_IN_BLOCK_P is true.
1075 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1076 (min_anchor_offset, max_anchor_offset): Likewise.
1077 (use_anchors_for_symbol_p): New hook.
1078 * toplev.c (compile_file): Call output_object_blocks.
1079 (target_supports_section_anchors_p): New function.
1080 (process_options): Check that -fsection-anchors is only used on
1081 targets that support it and when -funit-at-a-time is in effect.
1082 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1083 if the decl doesn't have one.
1084 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1085 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1086 of force_const_mem through use_anchored_address.
1087 (expand_expr_constant): New function.
1088 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1089 calling expand_expr for INDIRECT_REF.
1090 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1091 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1092 * expr.h (use_anchored_address): Declare.
1093 * loop-unroll.c: Don't declare rtx vectors here.
1094 * explow.c: Include output.h.
1095 (validize_mem): Call use_anchored_address.
1096 (use_anchored_address): New function.
1097 * common.opt (-fsection-anchors): New switch.
1098 * varasm.c (object_block_htab, anchor_labelno): New variables.
1099 (hash_section, object_block_entry_eq, object_block_entry_hash)
1100 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1101 (use_blocks_for_decl_p, change_symbol_section): New functions.
1102 (get_variable_section): New function, split out from assemble_variable.
1103 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1104 use_blocks_for_decl_p say so. Use change_symbol_section if the
1105 symbol has already been created.
1106 (assemble_variable_contents): New function, split out from...
1107 (assemble_variable): ...here. Don't output any code for
1108 block symbols; just pass them to place_block_symbol.
1109 Use get_variable_section and assemble_variable_contents.
1110 (get_constant_alignment, get_constant_section, get_constant_size): New
1111 functions, split from output_constant_def_contents.
1112 (build_constant_desc): Create a block symbol if use_object_blocks_p
1113 says so. Or into SYMBOL_REF_FLAGS.
1114 (assemble_constant_contents): New function, split from...
1115 (output_constant_def_contents): ...here. Don't output any code
1116 for block symbols; just pass them to place_section_symbol.
1117 Use get_constant_section and get_constant_alignment.
1118 (force_const_mem): Create a block symbol if use_object_blocks_p and
1119 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1120 (output_constant_pool_1): Add an explicit alignment argument.
1121 Don't switch sections here.
1122 (output_constant_pool): Adjust call to output_constant_pool_1.
1123 Switch sections here instead. Don't output anything for block symbols;
1124 just pass them to place_block_symbol.
1125 (init_varasm_once): Initialize object_block_htab.
1126 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1127 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1128 (place_block_symbol, get_section_anchor, output_object_block)
1129 (output_object_block_htab, output_object_blocks): New functions.
1130 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1131 (TARGET_ASM_OUT): Include it.
1132 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1133 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1134 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1135 (TARGET_INITIALIZER): Include them.
1136 * rtl.c (rtl_check_failed_block_symbol): New function.
1137 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1138 (block_symbol, object_block): New structures.
1139 (rtx_def): Add a block_symbol field to the union.
1140 (BLOCK_SYMBOL_CHECK): New macro.
1141 (rtl_check_failed_block_symbol): Declare.
1142 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1143 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1144 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1145 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1146 * output.h (output_section_symbols): Declare.
1147 (object_block): Name structure.
1148 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1149 (default_use_anchors_for_symbol_p): Declare.
1150 * Makefile.in (RTL_BASE_H): Add vec.h.
1151 (explow.o): Depend on output.h.
1152 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1153 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1154 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1155 (rs6000_use_blocks_for_constant_p): New function.
1157 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1159 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1161 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1164 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1167 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1169 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1173 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1176 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1177 instead of DECL_REGISTER.
1179 2006-02-18 Olivier Hainque <hainque@adacore.com>
1182 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1184 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1187 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1188 * opth-gen.awk: Handle Var and InverseMask together.
1189 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1190 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1191 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1192 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1194 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1195 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1196 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1197 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1198 LINUX_DYNAMIC_LINKER): Define.
1199 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1200 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1202 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1203 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1204 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1205 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1206 (TARGET_C99_FUNCTIONS): Don't define.
1207 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1208 GLIBC_DYNAMIC_LINKER.
1209 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1210 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1211 GLIBC_DYNAMIC_LINKER64): Define.
1212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1213 LINUX_DYNAMIC_LINKER64.
1214 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1215 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1216 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1218 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1220 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1221 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1222 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1224 and LINUX_DYNAMIC_LINKER32.
1225 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1227 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1229 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1231 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1232 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1233 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1234 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1235 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1236 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1237 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1238 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1239 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1240 LINUX_DYNAMIC_LINKER): Define.
1241 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1242 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1243 GLIBC_DYNAMIC_LINKER64): Define.
1244 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1245 LINUX_DYNAMIC_LINKER64.
1246 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1247 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1248 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1249 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1250 LINUX_DYNAMIC_LINKER): Define.
1251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1252 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1253 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1254 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1255 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1256 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1257 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1258 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1259 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1260 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1261 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1262 * doc/invoke.texi (-muclibc): Remove caveat about supported
1265 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1267 * doc/cpp.texi (__TIMESTAMP__): Document.
1269 2006-02-17 Roger Sayle <roger@eyesopen.com>
1272 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1273 C is one less than the width of X (and related transformations).
1274 * simplify-rtx.c (simplify_unary_operation_1): Transform
1275 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1276 depending on STORE_FLAG_VALUE, were C is one less then the
1279 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1281 Fix PR tree-optimization/26341
1282 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1283 about NAME_MEMORY_TAG's.
1285 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1288 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1289 with hardware float support, and software float support. Add fcpy
1290 alternative to hardware patterns. Add alternatives to copy between
1291 general and floating-point registers to the 32-bit pattern.
1292 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1293 secondary reload to load a QI or HI mode constant into a floating
1295 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1296 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1298 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1301 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1303 (load_macho_picbase_di): Likewise.
1305 2006-02-16 Jeff Law <law@redhat.com>
1307 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1308 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1309 (ssa_name_nonzero_p): Likewise.
1310 (get_value_range): Return NULL if VRP is not running.
1311 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1312 VRP routines do not discover a range.
1313 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1314 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1315 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1316 (tree_expr_nonnegative_p): Similarly.
1317 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1318 (restore_nonzero_vars_to_original_value): Remove.
1319 (unsafe_associative_fp_binop): Remove.
1320 (tree_ssa_dominator_optimize): Remove initialization and
1321 finalization of nonzero_vars and nonzero_vars_stack.
1322 (dom_opt_initialize_block): No longer push marker on
1324 (dom_opt_finalize_block): No longer call
1325 restore_nonzero_vars_to_original_value.
1326 (record_equivalences_from_phis): No longer look for
1327 nonzero PHI arguments.
1328 (cprop_into_successor_phis): No longer propagate nonzero
1329 property into PHI arguments. Lose unused argument. Caller
1331 (record_equivalences_from_stmt): No longer record nonzero
1332 values for SSA_NAMEs.
1333 (lookup_avail_expr): No longer use nonzero_vars.
1335 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1336 for sizetype when sizetype is unsigned.
1338 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1340 PR rtl-optimization/25603
1341 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1342 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1343 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1344 with new meaning of SETS.
1346 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1351 * config/linux.opt: New file.
1352 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1353 LINUX_DYNAMIC_LINKER): Define.
1354 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1355 * config.gcc (*-*-linux*): Define extra_options.
1356 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1357 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1358 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1359 GLIBC_DYNAMIC_LINKER.
1360 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1361 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1362 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1364 * doc/invoke.texi (GNU/Linux Options): New section.
1366 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1368 * config/sparc/sparc.md (setjmp): Rewrite.
1369 (setjmp_32): Delete.
1370 (setjmp_64): Likewise.
1372 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1374 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1377 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1379 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1382 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1384 PR rtl-optimization/26296
1385 * Makefile.in (loop-invariant.c): Add except.h dependency.
1386 * loop-invariant.c: Include except.h.
1387 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1389 2005-02-16 Paul Brook <paul@codesourcery.com>
1391 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1394 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1396 PR rtl-optimization/25636
1397 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1398 when deciding whether an insn is an initializing insn.
1400 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1402 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1403 (tree_code_size): Ditto.
1404 * tree.h (struct tree_memory_tag): Remove parent_var.
1405 (struct tree_struct_field_tag): New.
1408 (union tree_node): Add sft member.
1409 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1411 (create_sft): Add size and offset argument, set SFT_OFFSET and
1413 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1414 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1415 * tree-flow-inline.h (get_subvar_at): Update for
1416 SFT_OFFSET/SFT_SIZE.
1417 (var_can_have_subvars): Ditto.
1418 (overlap_subvar): Ditto.
1419 * print-tree.c (print_node): Print out interesting things for
1421 * tree-flow.h (struct subvar): Remove offset and size members.
1422 * tree-ssa-operands.c (get_expr_operands): Update for
1423 get_indirect_ref_operands changes.
1424 (get_indirect_ref_operands): Call add_virtual_operand instead of
1425 add_stmt_operand. Only recurse on base var if requested.
1426 (access_can_touch_variable): New function.
1427 (add_stmt_operand): Split virtual operand handling into ...
1428 (add_virtual_operand): Here. Add offset, size, and for_clobber
1429 arguments. Prune alias sets.
1430 (add_call_clobber_ops): Call add_virtual_operand.
1432 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1435 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1437 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1438 than TREE_CODE as index into omp_clause_num_ops array.
1440 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1442 PR rtl-optimization/26184
1443 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1445 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1446 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1447 must_precede, must_follow and tobe_scheduled.
1450 * opts.c (common_handle_option): Free new_option pointer.
1451 * df-core.c (df_analyze): Free postorder pointer.
1453 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1455 * Makefile.in: Fix the examples about the use of stamps
1457 2006-02-15 Michael Matz <matz@suse.de>
1461 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1462 influenced by maximum_field_alignment or DECL_PACKED.
1463 (update_alignment_for_field): Ditto.
1464 (place_field): Ditto.
1465 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1468 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1470 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1471 (debug_flow_info): Pass it.
1472 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1473 * bb-reorder.c (reorder_basic_blocks): Likewise.
1474 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1475 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1476 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1477 * gcse.c (gcse_main, bypass_jumps): Likewise.
1478 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1479 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1480 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1481 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1482 * rtl.h (dump_flow_info): Adjust prototype.
1483 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1484 * var-tracking.c (variable_tracking_main): Likewise.
1485 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1486 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1489 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1491 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1494 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1496 PR tree-optimization/26209
1497 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1498 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1500 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1502 2006-02-14 Roger Sayle <roger@eyesopen.com>
1505 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1506 (X,Y) and the corresponding symmetry related transformations.
1507 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1508 (X,Y) and its symmetry related transformations.
1510 2006-02-14 Roger Sayle <roger@eyesopen.com>
1512 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1515 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1517 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1519 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1522 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1523 support COMDAT group.
1524 * configure: Regenerate.
1526 2006-02-14 Roger Sayle <roger@eyesopen.com>
1531 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1533 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1535 Fix PR tree-optimization/26260
1537 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1539 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1540 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1541 * tree-ssa-structalias.c (create_variable_info_for): Use
1542 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1544 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1546 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1548 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1549 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1550 of the ending condition.
1551 * tree-ssa-loop-manip.c: Include params.h.
1552 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1553 tree_unroll_loop): New functions.
1554 * tree-pass.h (pass_loop_prefetch): Declare.
1555 * loop.c (rest_of_handle_loop_optimize): Test for
1556 -fprefetch-loop-arrays-rtl.
1557 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1558 * timevar.def (TV_TREE_PREFETCH): New timevar.
1559 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1560 pass_loop_prefetch): New.
1561 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1562 (cleanup_tree_cfg_loop): Call scev_reset.
1563 * common.opt (fprefetch-loop-arrays-rtl): Add.
1564 * tree-ssa-loop-prefetch.c: New file.
1565 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1566 (new_temp_expr_table): Initialize expr_vars.
1567 (free_temp_expr_table): Cleanup expr_vars.
1568 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1569 expressions from being merged into one.
1570 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1571 (struct tree_niter_desc): Add control, bound and cmp fields.
1572 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1574 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1575 (tree-cfgcleanup.o): Add SCEV_H dependency.
1576 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1577 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1579 2006-02-14 Richard Guenther <rguenther@suse.de>
1581 PR tree-optimization/26258
1582 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1583 in PHI argument processing.
1585 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1587 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1588 new expression in the requested machine mode.
1590 2006-02-13 Roger Sayle <roger@eyesopen.com>
1592 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1593 directly, instead let do_compare_rtx_and_jump handle this for us.
1594 * expr.c (expand_expr_real_1): Likewise.
1595 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1596 before do_jump_by_parts_greater.
1597 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1598 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1600 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1602 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1604 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1606 PR rtl-optimization/26235
1607 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1608 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1611 2006-02-13 Jeff Law <law@redhat.com>
1613 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1616 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1619 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1620 twice if decl is a builtin. When trying again, call get_callee_fndecl
1621 first to verify it is still a builtin.
1623 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1625 * dwarf2out.c (base_type_die): Don't add AT_name here.
1626 (subrange_type_die): Don't add AT_name here.
1627 (modified_type_die): Rearrange code flow. Do add AT_name here.
1629 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1631 PR rtl-optimization/26247
1632 PR rtl-optimization/26248
1633 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1635 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1637 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1638 * config/fixtfdi.c: Likewise.
1639 * config/fixunstfdi.c: Likewise.
1640 * config/floatditf.c: Likewise.
1642 2006-02-13 Roger Sayle <roger@eyesopen.com>
1645 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1646 into (X,C2) if C1 is a subset of the bits of C2. Transform
1647 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1649 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1651 2006-02-13 Josh Conner <jconner@apple.com>
1654 * varasm.c (function_section): Check for section name before
1655 calling select_section on targets that define
1656 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1657 unlikely_text_section instead of hot_function_section if
1658 first_function_block_is_cold.
1660 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1663 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1665 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1667 PR rtl-optimization/26222
1668 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1669 after tree->rtl expansion.
1670 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1671 before passing it to emit_move_insn.
1673 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1675 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1677 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1678 Clarify documentation.
1679 * c-common.h (warn_write_strings): Remove.
1680 * c-common.c (warn_write_strings): Likewise.
1681 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1684 2006-02-12 Roger Sayle <roger@eyesopen.com>
1687 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1688 (do_jump_parts_zero_rtx): New function renamed from
1689 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1690 (do_jump_parts_equality_rtx): New function split out from
1691 do_jump_parts_equality. Old implementation renamed as above.
1692 Call do_jump_parts_zero_rtx if either operand is zero.
1693 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1694 do all of the heavy lifting.
1695 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1696 calling either do_jump_by_parts_greater_rtx or
1697 do_jump_by_parts_equality_rtx.
1698 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1699 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1700 moved to do_compare_rtx_and_jump, call it directly.
1701 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1702 mode argument. Call do_compare_rtx_and_jump.
1703 (emit_case_nodes): Update calls to do_jump_if_equal.
1705 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1707 PR rtl-optimization/26225
1708 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1710 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1712 PR rtl-optimization/26232
1713 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1715 2006-02-11 Jason Merrill <jason@redhat.com>
1718 * tree-inline.c (declare_return_variable): Just don't use the
1719 modify target if it's a gimple complex reg and the return slot
1722 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1724 * doc/contrib.texi: Update my entry.
1726 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1728 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1730 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1732 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1735 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1737 * doc/invoke.texi (-floop-optimize2): Removed.
1738 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1739 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1740 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1741 * common.opt (floop-optimize2): Removed.
1742 (fmove-loop-invariants): Enabled by default.
1744 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1746 * tree-if-conv.c (combine_blocks): Free the result of
1747 get_loop_exit_edges.
1749 2006-02-10 Jeff Law <law@redhat.com>
1751 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1753 PR tree-optimization/26213
1754 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1755 loop trying to follow SSA_NAME_VALUE chains.
1757 2006-02-10 Richard Guenther <rguenther@suse.de>
1759 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1760 deal with structures that end in implicitly variable sized arrays.
1762 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1764 PR rtl-optimization/24762
1765 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1768 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1770 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1771 (struct ivopts_data): Add regs_used field.
1772 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1773 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1774 instead of loop_data->regs_used;
1775 (free_loop_data): Do not free aux fields for loops.
1776 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1777 and tree_ssa_iv_optimize_finalize.
1779 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1781 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1783 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1786 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1787 computing the effective result type.
1789 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1792 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1793 (tree_overlaps_hard_reg_set): Declare.
1794 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1795 type and signature to match function type expected by walk_tree.
1796 (tree_overlaps_hard_reg_set): New function.
1797 (decl_conflicts_with_clobbers_p): Rename to:
1798 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1799 Use tree_overlaps_hard_reg_set. Changed caller.
1800 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1801 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1802 * cris.c (cris_md_asm_clobbers): Likewise.
1804 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1806 * reload1.c (emit_input_reload_insns): Delete code that tries to
1807 inherit using find_equiv_reg.
1809 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1811 * c-common.h (flag_const_strings): Don't declare.
1812 * c-common.c (flag_const_strings): Remove.
1813 * c.opt (fconst_strings): Remove.
1814 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1815 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1816 (c_common_init_options): Don't set flag_const_strings.
1817 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1819 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1821 * arm.md (tlobits_cbranch): New pattern.
1822 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1823 testing a single bit.
1825 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1828 * tree-ssa-pre.c (create_component_ref_by_pieces):
1829 Handle RETURN_DECL like VAR_DECL.
1831 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1834 * fold-const.c (fold_indirect_ref_1): Fold
1835 "*(foo *)&complexfoo" to "__real__ complexfoo"
1836 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1838 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1840 * tree-flow-inline.h (var_can_have_subvars):
1841 Volatile variables should not have subvariables.
1843 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1846 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1847 multiplying unsigned values.
1850 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1852 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1854 2006-02-08 Jason Merrill <jason@redhat.com>
1857 * tree.def: Elaborate on difference from MODIFY_EXPR.
1858 * doc/c-tree.texi (INIT_EXPR): Likewise.
1859 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1860 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1861 (gimplify_target_expr): Likewise.
1862 (gimplify_cond_expr): Remove target handling.
1863 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1864 (gimplify_expr): Clobber it here.
1865 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1866 Do return slot optimization if we have an INIT_EXPR.
1869 * tree-inline.c (declare_return_variable): Also clear
1870 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1873 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1876 * gimplify.c (gimplify_one_sizepos): Fix typo.
1878 2006-02-08 Jeff Law <law@redhat.com>
1880 PR tree-optimization/21417
1881 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1882 across a backedge if the control statement at the end of the
1883 block is data dependent on other statements in the same block.
1884 (record_temporary_equivalences_from_stmts): Remove over-conservative
1885 test for threading across backedges.
1887 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1888 control statement, handle all three special cases in the same
1889 manner as they all have the same desired solution. No longer
1890 special case edge flag updating when the post dominator is
1893 2006-02-08 Roger Sayle <roger@eyesopen.com>
1895 * tree.def (CHAR_TYPE): Remove.
1896 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1897 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1898 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1899 (gen_string_type_die): Delete unreachable function.
1901 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1902 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1903 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1904 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1905 * builtins.c (type_to_class): Likewise.
1906 * fold-const.c (fold_convert, build_range_check,
1907 merge_ranges): Likewise.
1908 * expr.c (count_type_elements): Likewise.
1909 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1910 * stor-layout.c (layout_type): Likewise.
1911 * ipa-type-escape.c (type_to_consider): Likewise.
1912 * gimplify.c (omp_firstprivatize_type_sizes,
1913 gimplify_type_sizes): Likewise.
1914 * explow.c (promote_mode): Likewise.
1915 * tree-sra.c (is_sra_scalar_type): Likewise.
1916 * varasm.c (output_constant): Likewise.
1917 * tree-inline.c (remap_type_1): Likewise.
1918 * convert.c (convert_to_pointer, convert_to_real,
1919 convert_to_integer, convert_to_complex): Likewise.
1921 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1923 * df-scan.c (df_def_record_1): A set destination may
1924 be a parallel regardless of mode.
1926 2006-02-08 Roger Sayle <roger@eyesopen.com>
1929 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1930 * config/mips/_tilib.c: Remove.
1931 * config/fixtfdi.c: New libgcc source file.
1932 * config/fixunstfdi.c: New source file.
1933 * config/floatditf.c: New source file.
1934 * config/floatunditf.c: New souce file.
1935 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1936 files above instead of config/mips/_tilib.c.
1937 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1939 2006-02-08 Jeff Law <law@redhat.com>
1941 PR tree-optimization/26169
1942 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1945 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1947 * df.h (DF_REG_SIZE): Return the length of the initialized
1950 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1952 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1953 __muldf3): Return a correctly signed zero.
1955 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1957 * passes.c (register_one_dump_file): Accept the current properties
1958 instead of pass number. Adjust call to dump_register. Remove
1960 (register_dump_files): Now a wrapper around...
1961 (register_dump_files_1): ... this one. Do not modify the pass
1963 (next_pass_1): Cosmetic fix.
1964 (execute_todo): Keep second parameter only. Use curr_properties
1965 instead of fetching it from the pass structure. Check and set
1967 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1968 instead of fetching it from the pass structure. Fix calls to
1969 execute_todo. Update curr_properties and initialize .vcg RTL dump
1970 after running the pass. Reset last_verified.
1971 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1973 (FIRST_AUTO_NUMBERED_DUMP): New.
1974 (dump_register): Remove "num" parameter, assign it within the
1976 (get_dump_file_name): Modify template for dumps.
1977 * tree-dump.h (dump_register): Adjust prototype.
1978 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1979 (PROP_trees): Add PROP_gimple_lomp.
1980 (TODO_set_props): New.
1981 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1982 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1983 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1985 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1987 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1988 (sparc64-*-linux*): Likewise.
1989 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1990 * config/sparc/t-linux: New file.
1991 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1992 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1993 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1994 -m32 -mlong-double-128.
1996 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1997 * config/alpha/t-linux: New file.
1998 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2000 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2001 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2002 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2003 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2004 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2005 (CPP_ARCH32_SPEC): Remove.
2007 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2009 PR tree-optimization/26145
2010 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2013 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2016 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2017 >= 240000 when generating code for SOM runtime.
2018 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2019 to $$dyncall when generating code for SOM runtime..
2021 2006-02-07 Dirk Mueller <dmueller@suse.com>
2024 * doc/invoke.texi (-Wsequence-point): Update documentation
2025 that -Wsequence-point is implemented for C++ as well.
2027 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2029 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2030 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2031 (LIB_SPEC): Likewise.
2032 * doc/invoke.texi (SPARC options): Document -pthread.
2034 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2036 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2039 2006-02-07 Roger Sayle <roger@eyesopen.com>
2041 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2042 Correct comment describing BOOLEAN_TYPE.
2044 2006-02-07 Dirk Mueller <dmueller@suse.com>
2046 * c.opt: C++ frontend supports -Wdiv-by-zero.
2047 * c-opts.c (c_common_handle_option): Remove dead case.
2049 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2051 * configure.ac (TLS assembler check): Do not enable TLS by
2052 default on SPARC/Solaris before version 10.
2053 * configure: Regenerate.
2055 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2057 * doc/invoke.texi (xl-compat): Document conversion and support
2060 2006-02-07 Jeff Law <law@redhat.com>
2062 * tree-vrp.c (find_conditional_asserts): Update comments.
2063 (simplify_stmt_for_jump_threading): New.
2064 (identify_jump_threads, finalize_jump_threads): New.
2065 (vrp_finalize): Call identify_jump_threads.
2066 (execute_vrp): Call finalize_jump_threads.
2067 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2068 (vrp_element, vrp_data, vrp_element_p): Remove.
2069 (vrp_hash_elt, vrp_variables_stack): Remove.
2070 (vrp_hash, vrp_eq, record_range): Remove.
2071 (simplify_cond_and_lookup_avail_expr): Remove.
2072 (extract_range_from_cond): Remove.
2073 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2074 (simplify_stmt_for_jump_threading): New.
2075 (dom_thread_across_edge): New wrapper.
2076 (tree_ssa_dominator_optimize): No longer initialize or
2077 finalize any of the VRP datastructures. Remove iteration
2078 step and simplify as a result of removal of iteration step.
2079 (pass_dominator): Perform a cfg cleanup after DOM.
2080 (dom_opt_finalize_block): Use the new common routines
2081 for threading jumps. Simplify stack management slightly.
2082 No longer need to unwind VRP state.
2083 (record_equivalences_from_incoming_edge): No longer record
2085 (eliminate_redundant_computations): No longer call
2086 simplify_cond_and_lookup_avail_expr.
2087 * tree-flow.h (potentially_threadable_block): Prototype.
2088 (thread_across_edge): Likewise.
2089 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2090 (tree-ssa-threadedge.o): Add dependencies.
2091 * tree-ssa-threadedge.c: New file.
2092 * passes.c (init_optimization_passes): Merge PHIs before
2093 calling VRP. Run VRP again late in the SSA optimization pipeline.
2095 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2097 * df-core.c (df_set_blocks): Do not dereference function pointers.
2098 (df_finish1): Likewise.
2099 (df_hybrid_search_forward): Likewise.
2100 (df_hybrid_search_backward): Likewise.
2101 (df_iterative_dataflow): Likewise.
2102 (df_analyze_problem): Likewise.
2103 (df_compact_blocks): Likewise.
2104 (df_dump): Likewise.
2105 * df-scan.c (df_rescan_blocks): Likewise.
2106 (df_record_entry_block_defs): Likewise.
2108 * genconditions.c (write_conditions): Guard the definition of
2109 'insn_conditions' with the check on GCC version.
2110 (write_writer): Guard the traversal 'insn_conditions' with
2111 the check on GCC version.
2113 2006-02-07 Richard Guenther <rguenther@suse.de>
2117 2006-01-30 Richard Guenther <rguenther@suse.de>
2119 * gimplify.c (gimplify_target_expr): Handle easy cases
2120 without creating a temporary.
2122 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2124 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2125 use of float in probability computations. Use edge probabilities
2126 in place of statically computed probabilities.
2127 (min_spec_prob): New static variable.
2128 (schedule_insns): Initialize it.
2129 (GET_SRC_PROB): Removed.
2130 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2132 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2135 * config/ia64/unwind-ia64.c: Revert last change.
2136 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2137 (INCOMING_FRAME_SP_OFFSET): Define.
2139 2006-02-06 Roger Sayle <roger@eyesopen.com>
2141 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2143 2006-02-07 Ben Elliston <bje@au.ibm.com>
2145 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2146 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2147 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2148 (ix86_return_in_memory): Handle TDmode.
2149 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2150 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2152 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2154 * reorg.c (dbr_schedule): Use dump_file instead of file.
2156 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2159 * config/ia64/predicates.md (extr_len_operand): New predicate.
2160 * config/ia64/ia64.md (extv): Tighten constraints.
2162 (*tbit_and_2): Ditto.
2163 (*tbit_and_3): Ditto.
2164 (*tbit_or_2): Ditto.
2165 (*tbit_or_3): Ditto.
2169 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2172 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2174 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2176 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2177 loop_optimizer_init and loop_optimizer_finalize
2178 * tree-ssa-sink.c (execute_sink_code): Ditto.
2179 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2180 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2181 tree_ssa_loop_done): Ditto.
2182 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2183 * sched-ebb.c: Include output.h.
2184 (schedule_ebbs): Do not use dump argument.
2185 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2186 * loop.c (loop_dump_stream): Removed.
2187 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2189 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2190 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2191 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2192 loop_iterations, strength_reduce, record_biv, record_giv,
2193 final_giv_value, check_final_value, check_ext_dependent_givs,
2194 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2195 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2196 dump_file instead of loop_dump_stream.
2197 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2199 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2201 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2202 * haifa-sched.c: Include output.h
2203 (schedule_insns, sched_init): Do not use dump argument.
2204 * mode-switching.c (optimize_mode_switching): Ditto.
2205 * modulo-sched.c (stats_file): Removed.
2206 (print_node_sched_params): Do not call argument dump_file.
2207 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2208 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2210 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2212 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2213 rtl_loop_init, rtl_loop_done): Ditto.
2214 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2215 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2217 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2218 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2219 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2220 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2221 * emit-rtl.c (renumber_insns): Ditto.
2222 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2223 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2224 * regclass.c (regclass): Ditto.
2225 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2226 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2227 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2228 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2230 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2231 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2233 * gcse.c (gcse_file, debug_stderr): Removed.
2234 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2235 rest_of_handle_gcse): Do not use dump argument.
2236 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2237 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2238 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2239 compute_code_hoist_vbeinout, compute_code_hoist_data,
2240 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2241 compute_store_table, build_store_vectors, insert_insn_start_bb,
2242 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2243 store_motion): Use dump_file instead of gcse_file.
2244 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2245 * profile.c (profile_dump_file): Removed.
2246 (branch_prob): Use dump_file instead of profile_dump_file.
2247 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2249 * tree-ssa-copy.c (dump_copy_of): Ditto.
2250 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2251 dump file to life_analysis.
2252 * bt-load.c (branch_target_load_optimize): Ditto.
2253 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2255 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2256 regclass, dbr_schedule): Declaration changed.
2257 * sched-int.h (sched_init): Declaration changed.
2258 * tree-profile.c (tree_profile_dump_file): Removed.
2259 (tree_profile_hooks): Removed profile_dump_file hook.
2260 * rtl-profile (rtl_profile_dump_file): Removed.
2261 (rtl_profile_hooks): emoved profile_dump_file hook.
2262 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2264 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2265 * tree-cfg.c (build_tree_cfg): Ditto.
2266 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2267 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2268 Declaration changed.
2269 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2270 life_analysis and schedule_insns.
2271 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2273 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2275 * config/mips/mips.c (mips_reorg): Ditto.
2276 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2279 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2281 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2282 (s390_mangle_fundamental_type): New.
2283 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2286 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2287 (alpha_mangle_fundamental_type): New.
2288 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2291 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2293 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2295 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2296 (sparc_mangle_fundamental_type): New.
2298 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2300 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2301 (s390x-*-linux*): Likewise.
2302 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2303 * config/s390/t-linux: New file.
2305 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2307 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2308 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2310 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2312 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2313 (ANTIC_SAFE_LOADS): New macro.
2314 (find_or_generate_expression): Add prototype.
2315 (set_contains_value): Allow null set for sake of not always having
2316 to allocate ANTIC_SAFE_LOADS.
2317 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2318 Allow COMPONENT_REF too.
2319 (valid_in_set): Allow COMPONENT_REF.
2320 Check ANTIC_SAFE_LOADS too.
2321 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2322 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2324 (can_PRE_operation): Add COMPONENT_REF.
2325 (create_component_ref_by_pieces): New function.
2326 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2327 (insert_aux): Move AGGREGATE_TYPE_P check here.
2328 (compute_avail): Set bb local stmt uids.
2329 (pass_pre): Use TODO_update_ssa_only_virtuals.
2331 2006-02-06 Ben Elliston <bje@au.ibm.com>
2333 * configure.ac: Unconditionally disable decimal float by default.
2334 * configure: Regenerate.
2336 2006-02-06 Ben Elliston <bje@au.ibm.com>
2338 * read-rtl.c (read_name): Terminate reading on EOF.
2340 2006-02-06 Ben Elliston <bje@au.ibm.com>
2342 * dfp.c (decimal_real_arithmetic): Change second argument type
2343 from int to enum tree_code. Do not always return true, but now
2344 return result of any call to decimal_do helper functions.
2345 * dfp.h (decimal_real_arithmetic): Update prototype.
2347 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2349 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2351 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2354 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2357 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2359 * tree-vrp.c (cfg_loops): Removed.
2360 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2361 Use current_loops instead of cfg_loops. Pass flags to
2362 loop_optimizer_init.
2363 * cfgloopmanip.c (fix_loop_structure): Update only available
2365 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2366 loop_optimizer_init.
2367 * modulo-sched.c (build_loops_structure): Removed.
2368 (sms_schedule): Use loop_optimizer_init.
2369 * loop-init.c (loop_optimizer_init): Use flags to determine
2370 which properties of loops to prepare.
2371 (rtl_loop_init): Pass flags to loop_optimizer_init.
2372 * tree-ssa-sink.c (execute_sink_code): Ditto.
2373 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2374 * tree-ssa-pre.c (init_pre): Ditto.
2375 * cfgloop.h (LOOPS_NORMAL): New.
2376 (loop_optimizer_init): Declaration changed.
2378 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2380 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2381 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2383 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2385 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2387 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2388 * pa/t-pa64: Delete quadlib.c rule.
2389 * pa/x-ada: Revert last change.
2390 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2392 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2394 PR rtl-optimization/26087
2395 * rtlanal.c (canonicalize_condition): Do not cross basic block
2398 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2401 * config/ia64/ia64.c: Include debug.h.
2402 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2403 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2404 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2405 (process_epilogue, process_set, process_for_unwind_directive):
2406 Output unwind info only if requested. Add CFA info if requested.
2407 Add new arguments as needed. Adjust callers.
2408 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2410 (DWARF2_FRAME_INFO): Define to zero.
2411 * config/ia64/unwind-ia64.c: Remove code that compensated for
2412 the CFA offset error fixed above.
2413 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2414 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2415 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2416 -funwind-tables and -fexceptions to enable frame info.
2417 (dwarf2out_frame_init): Define initial CFA even if
2418 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2419 DWARF2_UNWIND_INFO is nonzero, not just defined.
2420 (dwarf2out_frame_finish): Output non-EH call frame info only
2421 if DWARF2_FRAME_INFO is nonzero.
2422 (convert_cfa_to_loc_list,
2423 compute_frame_pointer_to_cfa_displacement): Define even if
2424 unwind info is not supported.
2425 (gen_subprogram_die): Use the above unconditionally. Remove
2426 legacy alternate code.
2427 * toplev.c (compile_file): Compile in call to
2428 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2429 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2431 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2432 Jakub Jelinek <jakub@redhat.com>
2434 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2435 IBM extended float format long double as "g" on powerpc*-linux.
2437 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2440 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2441 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2443 2006-02-03 Jason Merrill <jason@redhat.com>
2446 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2449 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2450 on the return slot if it's an NRV.
2452 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2454 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2455 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2456 rewrite_use): Do not handle USE_OUTER.
2457 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2458 add_iv_outer_candidates, may_replace_final_value,
2459 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2460 (find_interesting_uses_op): Functionality of
2461 find_interesting_uses_outer_or_nonlin moved here.
2462 (find_interesting_uses_outside): Use find_interesting_uses_op.
2464 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2467 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2469 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2470 Ulrich Weigand <uweigand@de.ibm.com>
2473 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2474 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2475 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2476 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2478 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2479 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2480 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2481 Define secondary reloads for TFmode moves.
2482 (constant_modes): Add TFmode.
2483 (NR_C_MODES): Set to 8.
2484 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2486 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2487 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2488 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2489 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2490 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2491 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2492 (FPR mode macro): Add TFmode.
2493 (DSF mode macro): New.
2494 (<de>, <dee> mode attributes): Removed.
2495 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2496 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2497 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2498 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2499 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2500 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2501 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2502 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2503 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2504 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2505 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2506 "*negabs<mode>2", "sqrt<mode>2"):
2507 Changed <de> to <xde>. R constraint replaced by <Rf>.
2508 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2510 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2511 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2512 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2514 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2515 "extenddftf2", "extendsftf2"): New expanders.
2516 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2517 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2518 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2519 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2521 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2522 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2523 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2524 __floatditf): Add a GCC_4.1.0 symbol version tag.
2525 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2528 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2531 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2532 Use targetm.binds_local_p instead of TREE_PUBLIC.
2534 2006-02-02 Roger Sayle <roger@eyesopen.com>
2536 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2537 on INTEGER_TYPEs to indicate that it denotes a character type.
2538 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2539 signed_char_type_node, unsigned_char_type_node and char_type_node.
2540 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2541 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2542 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2544 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2545 Daniel Berlin <dberlin@dberlin.org>
2547 * tree-tailcall.c (arg_needs_copy_p): New function.
2548 (eliminate_tail_call): Use arg_needs_copy_p.
2549 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2550 (add_virtual_phis): New function.
2552 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2554 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2555 #ignore instead of #scratch for %g7 .register directive.
2557 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2559 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2562 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2564 * flow.c (calculate_global_regs_live): Assert that there aren't any
2567 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2569 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2571 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2572 bsi_after_labels iterator.
2573 * tree-if-conv.c (find_phi_replacement_condition,
2574 replace_phi_with_cond_modify_expr): Likewise.
2575 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2576 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2578 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2580 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2582 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2585 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2586 array after growing it.
2588 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2591 * fold-const.c (fold_checksum_tree): Change type of buf.
2593 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2595 * reload.c (push_secondary_reload): Initialize t_icode.
2597 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2599 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2600 -msoft-float -mlong-double-128 only issue a warning, but don't
2601 swich to DFmode long double.
2603 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2605 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2606 has a constant equivalent, iterate over equivalents for arg0,
2607 calling simplify_relational_operation and if there's a result
2608 cheaper than X, apply fold_rtx and return the result.
2610 2006-02-01 Jan Hubicka <jh@suse.cz>
2612 * opts.c (no_unit_at_a_time_default): New global variable.
2613 (decode_options): Use it.
2614 * opts.h (no_unit_at_a_time_default): Declare.
2616 2006-02-01 Paul Brook <paul@codesourcery.com>
2618 * function.c (assign_parm_setup_reg): Use function argument promotion
2620 * expr.c (expand_expr_real_1): Use function argument promotion rules
2623 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2625 * gcc.c (process_command): Change j to 'unsigned int'.
2627 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2630 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2631 Use the corrected index for the character
2632 out of the string constant.
2634 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2636 * mode-switching.c (optimize_mode_switching): Fix size
2637 allocated for bb_info[n_entities].
2639 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2641 * gcc.c (main): Correct type that is allocated for
2642 explicit_link_files.
2644 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2646 * config/s390/s390.c (init_alignment_context): Set
2647 ALIAS_SET_MEMORY_BARRIER on the MEM.
2648 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2650 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2653 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2655 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2658 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2660 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2661 * regrename.c: Ditto.
2662 * tree-ssa-loop-im.c: Ditto.
2663 * tree-dump.c: Ditto.
2664 * tree-complex.c: Ditto.
2665 * genrecog.c: Ditto.
2666 * tree-ssa-threadupdate.c: Ditto.
2668 * java/class.c: Ditto.
2669 * java/jcf-parse.c: Ditto.
2670 * java/resource.c: Ditto.
2671 * java/except.c: Ditto.
2672 * java/jvspec.c: Ditto.
2673 * java/jcf-write.c: Ditto.
2674 * java/jcf-path.c: Ditto.
2675 * java/gjavah.c: Ditto.
2676 * java/zextract.c: Ditto.
2677 * java/jcf-io.c: Ditto.
2678 * java/jcf.h: Ditto.
2679 * java/buffer.c: Ditto.
2680 * java/lang.c: Ditto.
2681 * java/parse-scan.y: Ditto.
2682 * java/lex.c: Ditto.
2683 * java/lex.h: Ditto.
2684 * cfgloopmanip.c: Ditto.
2685 * postreload-gcse.c: Ditto.
2686 * tree-ssa-loop-manip.c: Ditto.
2687 * postreload.c: Ditto.
2688 * tree-ssa-loop-ch.c: Ditto.
2692 * diagnostic.c: Ditto.
2694 * genoutput.c: Ditto.
2696 * cfghooks.c: Ditto.
2697 * cfgloopanal.c: Ditto.
2698 * objc/objc-act.c: Ditto.
2700 * genextract.c: Ditto.
2701 * genautomata.c: Ditto.
2702 * pretty-print.c: Ditto.
2704 * cgraphunit.c: Ditto.
2707 * haifa-sched.c: Ditto.
2708 * dominance.c: Ditto.
2710 * tree-ssa-loop-ivopts.c: Ditto.
2712 * mode-switching.c: Ditto.
2713 * modulo-sched.c: Ditto.
2715 * ipa-pure-const.c: Ditto.
2717 * fix-header.c: Ditto.
2719 * tree-stdarg.c: Ditto.
2720 * ipa-utils.c: Ditto.
2721 * loop-init.c: Ditto.
2722 * ipa-inline.c: Ditto.
2725 * alloc-pool.c: Ditto.
2726 * dwarf2out.c: Ditto.
2728 * genattrtab.c: Ditto.
2729 * tree-ssa-loop-ivcanon.c: Ditto.
2733 * fortran/gfortranspec.c: Ditto.
2735 * local-alloc.c: Ditto.
2736 * langhooks.c: Ditto.
2737 * function.c: Ditto.
2738 * tree-vectorizer.c: Ditto.
2740 * ipa-type-escape.c: Ditto.
2742 * tree-if-conv.c: Ditto.
2745 * tree-data-ref.c: Ditto.
2746 * loop-unroll.c: Ditto.
2747 * treelang/treetree.c: Ditto.
2750 * ggc-common.c: Ditto.
2752 * coverage.c: Ditto.
2754 * tree-cfgcleanup.c: Ditto.
2755 * tree-ssa-pre.c: Ditto.
2756 * cfgcleanup.c: Ditto.
2757 * loop-invariant.c: Ditto.
2759 * ipa-prop.c: Ditto.
2760 * print-tree.c: Ditto.
2761 * conflict.c: Ditto.
2762 * ggc-page.c: Ditto.
2763 * sched-deps.c: Ditto.
2764 * regclass.c: Ditto.
2765 * tree-object-size.c: Ditto.
2767 * bb-reorder.c: Ditto.
2768 * resource.c: Ditto.
2769 * var-tracking.c: Ditto.
2771 * df-problems.c: Ditto.
2772 * reg-stack.c: Ditto.
2775 * sched-rgn.c: Ditto.
2776 * tree-ssa-structalias.c: Ditto.
2777 * tree-ssa-reassoc.c: Ditto.
2778 * config/darwin-c.c: Ditto.
2779 * config/darwin.c: Ditto.
2780 * config/arm/arm.c: Ditto.
2782 * collect2.c: Ditto.
2785 2006-01-31 Nicolas Pitre <nico@cam.org>
2787 * arm.md (smaxsi3): Make aware of smax_m1.
2790 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2792 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2794 2006-01-31 Richard Guenther <rguenther@suse.de>
2796 * doc/invoke.texi (-msselibm): Document.
2797 * target.h (expand_library_builtin): New target hook.
2798 * builtins.c (expand_builtin): Use expand_library_builtin.
2799 (default_expand_library_builtin): New function.
2800 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2801 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2802 (link_gcc_math_spec): Declare.
2803 (static_specs): Add link_gcc_math_spec.
2804 * expr.h (default_expand_library_builtin): Declare.
2805 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2806 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2807 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2808 * config/i386/i386.opt (msselibm): New target option.
2809 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2810 (ix86_init_sse_abi_builtins): New function.
2811 (ix86_expand_library_builtin): Likewise.
2812 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2813 (override_options): Handle error conditions wrt -msselibm.
2814 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2815 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2816 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2819 2006-01-31 Richard Guenther <rguenther@suse.de>
2820 Paolo Bonzini <bonzini@gnu.org>
2822 * doc/install.texi (--disable-libgcc-math): Document.
2824 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2826 * expr.h (expand_normal): new inline function.
2827 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2829 * dwarf2out.c: use it.
2834 * config/sparc/sparc.c: use it.
2835 * config/i386/i386.c: use it.
2836 * config/rs6000/rs6000.c: use it.
2837 * config/arm/arm.c: use it.
2838 * config/mips/mips.c: use it.
2839 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2841 2006-01-30 Roger Sayle <roger@eyesopen.com>
2843 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2844 argv to the appropriate type.
2846 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2848 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2851 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2854 * config/s390/s390.c (struct machine_function): New flag
2855 decomposed_literal_pool_addresses_ok_p.
2856 (s390_reorg): Set it before final stage of literal pool transforms.
2857 (s390_decompose_address): Only accept displacements of the form
2858 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2860 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2862 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2863 the comparison routine return.
2865 2006-01-30 Michael Matz <matz@suse.de>
2867 * global.c (find_reg): Only evict for global regs.
2868 Take n_refs into account and dump more info.
2870 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2873 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2874 (pragma_trap, pragma_nosave_low_regs): Likewise.
2875 (current_function_anonymous_args): Likewise.
2876 (sh_deferred_function_attributes): New variable.
2877 (sh_deferred_function_attributes_tail): Likewise.
2878 (print_operand): For '@', look up trap_exit attribute.
2879 (calc_live_regs): Look up trapa_handler attribute. For trapa
2880 handlers, save/restore fpscr, but don't do any other
2881 interrupt-specific saves.
2882 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2883 Fix check for partially saved registers to check for SHmedia.
2884 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2885 (sh_output_function_epilogue): Don't clear any of the removed
2887 (sh_insert_attributes): Don't check pragma_interrupt.
2888 Insert deferred attributes. Check that interrupt attribute is
2889 present for other attributes that require its presence.
2890 (sh_attribute_table): Add new attributes trapa_handler and
2892 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2893 Don't check for pragma_interrupt. Don't store argument.
2894 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2895 (sh_deferred_function_attributes): Declare.
2896 (sh_deferred_function_attributes_tail): Likewise.
2897 * sh.md (sp_switch_1): Add operand. Change generator caller.
2898 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2899 (*return_i): Don't use when trap_exit attribute is in effect.
2900 (*return_trapa): New insn pattern.
2902 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2903 setting c_target_objs and cxx_target_objs.
2904 * t-sh: Add rule for sh-c.o.
2906 2006-01-30 Richard Guenther <rguenther@suse.de>
2909 * gimplify.c (gimplify_target_expr): Handle easy cases
2910 without creating a temporary.
2912 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2914 * vec.h (safe_grow): Remove duplicated line.
2916 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2919 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2920 (expand_omp): ... here.
2921 (expand_omp_parallel): Only remove barriers for combined
2922 parallel+workshare constructs.
2924 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2928 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2929 * tree.c (build_qualified_type): Chain the new type to the original
2930 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2931 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2932 (build_pointer_type_for_mode): Only return unqualified types.
2933 (build_reference_type_for_mode): Likewise.
2935 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2937 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2938 * Makefile.in (CXX_COMPAT_WARN): Define.
2939 * configure: Regenerate.
2941 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2944 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2947 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2949 * toplev.c: Fix thinko.
2951 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2952 Marcin Dalecki <martin@dalecki.de>
2954 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2955 (push_srcloc): Use XNEW.
2956 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2958 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2960 * df-core.c (df_set_blocks): Deleted all variable.
2962 2006-01-28 Ian Lance Taylor <ian@airs.com>
2964 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2965 cgraph_output_pending_asms.
2967 2006-01-28 Zack Weinberg <zackw@panix.com>
2969 * c.opt: Add -W(no-)overlength-strings.
2970 * doc/invoke.texi: Document it.
2971 * c-opts.c (c_common_handle_option): -pedantic implies
2972 -Woverlength-strings, if not explicitly disabled already.
2973 (c_common_post_options): -Woverlength-strings defaults to off, and
2974 is always off for C++.
2975 * c-common.c (fix_string_type): Issue warning about strings longer
2976 than is portable only if warn_overlength_strings. Rearrange code
2977 a little for clarity.
2978 * configure.in: Check for -Wno-overlength-strings as well before
2979 enabling -pedantic in stage 1.
2980 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2981 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2983 * genconditions.c (write_header, write_one_condition)
2984 (write_conditions, write_writer): Consolidate very long strings
2985 that were broken up to fit in C89 portable limit. Don't use
2986 printf when fputs will do.
2988 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2990 * combine.c (simplify_comparison <AND>): Check
2991 TRULY_NOOP_TRUNCATION before start using a subreg.
2993 * config/mips/mips.md (*branch_zero<mode>,
2994 *branch_zero<mode>_inverted, *branch_equality<mode>,
2995 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2996 Remove mode check from comparisons.
2998 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3000 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3002 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3004 * expmed.c (const_mult_add_overflow_p): Remove.
3005 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3007 * recog.c (validate_replace_rtx_subexp): Remove.
3008 * recog.h: Remove the prototype for
3009 validate_replace_rtx_subexp.
3011 * integrate.h: Remove the prototype for
3012 copy_decl_for_inlining.
3013 * rtl.h: Remove the prototype for mark_constant_function.
3014 * tree-vectorizer.h: Remove the prototype for
3015 vect_strip_conversion.
3017 * modulo-sched.c (create_partial_schedule,
3018 free_partial_schedule, reset_partial_schedule): Make them
3021 * hooks.c (hook_bool_rtx_int_false): Remove.
3022 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3024 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3026 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3027 and -mlong-double-128 are incompatible.
3028 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3029 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3030 (TARGET_LIBGCC2_CFLAGS): Define.
3031 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3032 (TARGET_LIBGCC2_CFLAGS): Same.
3033 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3035 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3038 * c-typeck.c (build_binary_op): Perform implicit casts of
3039 operands before shortening them.
3041 * cfgloopmanip.c (split_loop_bb): Remove.
3042 * cfgloop.h: Remove the prototype for split_loop_bb.
3044 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3045 * cfgloop.h: Remove the prototype for
3046 flow_loop_outside_edge_p.
3048 * emit-rtl.c (init_virtual_regs): Make it static.
3049 * function.h: Remove the prototype for init_virtual_regs.
3051 * recog.c (peephole2_optimize): Make it static.
3052 * recog.h: Remove the prototype for peephole2_optimize.
3054 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3056 * df-scan.c (df_record_entry_block_defs): Check if
3057 INCOMING_RETURN_ADDR_RTX is defined.
3059 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3060 Kenneth Zadeck <zadeck@naturalbridge.com>
3062 PR rtl-optimization/24762
3063 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3064 * targhooks.c (hook_void_bitmap): New hook prototype.
3065 * targhoohs.h (hook_void_bitmap): Ditto.
3066 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3067 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3068 * target.h (live_on_entry): New function pointer.
3069 * df-scan.c (df_all_hard_regs): Removed.
3070 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3071 (df_scan_free_internal): Added df->entry_block_defs.
3072 (df_scan_alloc): Ditto.
3073 (df_scan_dump): Ditto.
3074 (df_uses_record): Plumbed flag field properly thru calls.
3075 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3076 This part fixes PR24762.
3077 (df_bb_refs_record): Added code to make the frame and arg
3078 pointers live in EH blocks.
3079 (df_refs_record): Added call to df_record_entry_block_defs.
3080 (df_record_entry_block_defs): New function.
3081 * df-core.c: Added comments to describe new artifical defs.
3082 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3083 (entry_block_defs): New field in struct df.
3084 (df_all_hard_regs): Deleted.
3085 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3086 * df-problems.c (df_ru_bb_local_compute_process_def):
3087 Added code to handle artifical defs in the entry to a function.
3088 (df_ru_bb_local_compute): Ditto.
3089 (df_rd_bb_local_compute_process_def): Ditto.
3090 (df_rd_bb_local_compute): Ditto.
3091 (df_lr_bb_local_compute): Ditto.
3092 (df_ur_bb_local_compute): Ditto.
3093 (df_urec_bb_local_compute): Ditto.
3094 (df_chain_create_bb): Ditto.
3095 (df_ur_local_finalize): Removed entry.
3096 (df_urec_init): Ditto.
3097 (df_urec_local_finalize): Ditto.
3098 (df_ri_bb_compute): Added detection of last use of pseudos.
3099 * Makefile.in (df-scan.o): Updated dependencies.
3100 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3101 * config/mips/mips.c (mips_set_live_on_entry): Added.
3102 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3104 * dce.c (marked_insn_p): Added code to handle artifical defs.
3106 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3108 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3110 (_mm_cvtsi128_si64): Likewise.
3111 (_mm_cvtsd_si64): Likewise.
3112 (_mm_cvttsd_si64): Likewise.
3113 (_mm_cvtsi64_sd): Likewise.
3114 (_mm_cvtsi64_si128): Likewise.
3115 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3116 (_mm_cvtsi64_m64): Likewise.
3117 (_m_to_int64): Likewise.
3118 (_mm_cvtm64_si64): Likewise.
3119 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3120 (_mm_cvttss_si64): Likewise.
3121 (_mm_cvtsi64_ss): Likewise.
3122 (_mm_cvtss_f32): Likewise.
3124 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3126 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3127 for pragma redefine_extname.
3129 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3132 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3133 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3134 -mno-minimal-toc to previous content.
3135 (bispecs): Remove goal.
3136 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3137 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3138 compatibility aliases on powerpc-*-*gnu*.
3139 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3140 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3141 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3142 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3143 (ldblspecs): New goal.
3144 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3145 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3147 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3148 L_sf_to_tf or L_df_to_tf is defined.
3150 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3151 Alan Modra <amodra@bigpond.net.au>
3154 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3155 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3156 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3157 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3158 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3159 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3160 (rs6000_override_options): Initialize rs6000_ieeequad.
3161 Initialize TFmode format to ibm_extended_format if not
3163 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3165 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3166 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3167 (function_arg_advance): IBM long double passed in two FPRs, not
3169 (function_arg): IBM long double passed in FPRs.
3170 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3171 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3172 Only multireg GPR aligned.
3173 (rs6000_init_libfuncs): Enable IBM long double functions if not
3175 (rs6000_generate_compare): Use IBM long double compare if not
3177 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3178 (TARGET_IEEEQUAD): Define.
3179 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3180 not TARGET_IEEEQUAD.
3181 * config/rs6000/rs6000.md: Enable TFmode patterns if
3183 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3184 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3185 and -mlong-double-128 are incompatible.
3186 * doc/invoke.texi (-mabi): Collect options together. Add
3187 ibmlongdouble and ieeelongdouble.
3189 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3191 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3193 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3194 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3195 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3196 * rtl.h (rtunion_def): Remove rt_ptr.
3198 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3199 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3200 * config/i386/winnt.c (i386_pe_mark_dllexport)
3201 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3203 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3205 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3207 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3211 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3212 pthread_key_delete. From John David Anglin. gthrw-ify
3213 pthread_getunique_np only if it it's not a macro. Delete
3215 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3216 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3217 __gthread_objc_condition_signal, __gthread_key_delete): Add
3218 "__attribute__ ((__unused__))" to unused arguments.
3219 (__gthread_recursive_mutex_init_function): Add missing return.
3220 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3221 gthr-posix95.h: Use macro-based approach for name redirection
3222 on targets missing weakref.
3224 2006-01-26 Zack Weinberg <zackw@panix.com>
3226 * genconditions.c (write_header): In generated code, #ifdef out
3227 all includes and fake declarations, except includes of bconfig.h
3228 and system.h, unless GCC_VERSION >= 3001. Do not include
3229 gensupport.h in any case.
3230 (write_conditions): Generate a definition of struct c_test. Add
3231 a comment to the generated #endif.
3232 (write_one_condition): Escape backslashes in string too.
3233 (write_writer): Generated code must escape backslashes and quote
3234 marks (but not newlines) in the strings it writes.
3235 * Makefile.in (build/gencondmd.o): Update dependencies.
3237 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3240 * Makefile.in (insn-automata.o): Add header file dependencies.
3241 * genautomata.c: Add includes.
3243 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3246 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3248 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3250 * configure.ac: Expect target tools paths to be passed from the toplevel
3251 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3253 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3255 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3258 * c.opt (Wpointer-sign): Init to -1.
3259 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3260 OPT_pedantic, to 0 otherwise.
3261 * doc/invoke.texi: Update.
3263 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3265 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3266 constants provided by 80387 instructions in the destination mode.
3268 2006-01-26 Richard Guenther <rguenther@suse.de>
3269 Andrew Pinski <pinskia@physics.uc.edu>
3272 partial PR tree-opt/17064
3273 * tree-ssa-structalias.c (intra_create_variable_infos):
3274 Create heap variables for incoming parameters if
3275 flag_argument_noalias > 1.
3276 (find_what_p_points_to): Look through default defs of
3279 2006-01-26 Jeff Law <law@redhat.com>
3282 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3283 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3284 within the VR_RANGE, use the VR_RANGE as the result, not the
3286 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3287 bounds for the type.
3289 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3291 * tree-ssa-alias.c (maybe_create_global_var): Change
3292 subvar walking to an assertion that we don't have subvar'd variables.
3294 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3297 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3298 Use a new variable, inner. PARM_DECLs are always non-weak.
3300 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3302 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3305 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3307 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3309 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3311 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3312 (smax_insn, smin_insn, smax_0, smin_0): New.
3314 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3317 * config/cris/cris.c (cris_order_for_addsi3): New function.
3318 * config/cris/cris-protos.h: Prototype it.
3319 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3320 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3321 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3322 (split for "op.S1 [rx=rx+i],ry (swapped)")
3323 (split for "op(s|u).S1 [rx=rx+i],ry")
3324 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3325 Apply cris_order_for_addsi3 when generating addsi3 insns.
3327 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3329 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3330 (TREE_BLOCK): Add call to EXPR_CHECK.
3332 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3335 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3336 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3337 (dump_omp_clauses): ... here.
3338 (dump_generic_node): Handle OMP_CLAUSE.
3339 * tree.c (omp_clause_num_ops): New.
3340 (omp_clause_code_name): New.
3341 (tree_code_size): Handle OMP_CLAUSE.
3342 (tree_size): Likewise.
3343 (make_node): Document handling of OMP_CLAUSE.
3344 (tree_node_structure): Handle OMP_CLAUSE.
3345 (omp_clause_check_failed): New.
3346 (omp_clause_range_check_failed): New.
3347 (omp_clause_operand_check_failed): New.
3348 (build_omp_clause): New.
3349 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3350 * tree.h (enum omp_clause_code): Declare.
3351 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3352 (OMP_CLAUSE_RANGE_CHECK): Define.
3353 (OMP_CLAUSE_ELT_CHECK): Define.
3354 (omp_clause_check_failed): Declare.
3355 (omp_clause_operand_check_failed): Declare.
3356 (omp_clause_range_check_failed): Declare.
3357 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3358 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3359 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3360 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3361 (OMP_CLAUSE_IF_EXPR): Likewise.
3362 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3363 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3364 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3365 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3366 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3367 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3368 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3369 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3370 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3371 (OMP_CLAUSE_CODE): Define.
3372 (OMP_CLAUSE_SET_CODE): Define.
3373 (OMP_CLAUSE_CODE): Define.
3374 (OMP_CLAUSE_OPERAND): Define.
3375 (struct tree_omp_clause): Declare.
3376 (union tree_node): Add field 'omp_clause'.
3377 * treestruct.def (TS_OMP_CLAUSE): Define.
3378 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3379 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3380 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3381 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3382 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3383 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3384 (OMP_CLAUSE): Define.
3385 * print-tree.c (print_node): Handle OMP_CLAUSE.
3386 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3387 * c-typeck.c: Likewise.
3388 * gimplify.c: Likewise.
3389 * c-omp.c: Likewise.
3390 * tree-nested.c: Likewise.
3391 * tree-inline.c: Likewise.
3392 * c-parser.c: Likewise.
3393 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3396 2006-01-25 Roger Sayle <roger@eyesopen.com>
3398 PR rtl-optimization/25703
3399 * combine.c (try_combine): Handle zero_extract and strict_low_part
3400 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3402 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3404 * global.c: Fix comment typos.
3406 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3409 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3410 Use output_addr_const instead of assemble_name.
3412 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3414 * Makefile.in (sched-vis.o): Update dependencies.
3415 * haifa-sched.c (sched_finish): Clear current_sched_info.
3416 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3417 (dump_flow_info): Call it.
3418 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3420 * basic-block.h (dump_bb_info): Declare.
3421 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3422 option, and apply options only for dump files whose TDF_RTL,
3423 TDF_TREE, or TDF_IPA bits match.
3424 * rtl.h: Declare new functions exported from sched-vis.c.
3425 * sched-vis.c: Enable also if scheduling is not used.
3426 (print_value): Print the mode of registers if not inside scheduling.
3427 (print_insn): Make it work outside the scheduler. Beautify the output
3429 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3431 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3433 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3434 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3435 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3436 depending on the value of CONSTANT_POOL_ADDRESS_P.
3437 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3439 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3440 rather than SYMBOL_REF_DECL.
3441 (rtx_constant_pool): Remove const_rtx_sym_htab.
3442 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3443 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3444 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3445 Remove handling of const_rtx_sym_htab.
3446 (find_pool_constant): Delete.
3447 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3448 rather than find_pool_constant.
3449 (get_pool_constant_for_function): Delete.
3450 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3452 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3453 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3454 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3455 (SYMBOL_REF_CONSTANT): New macro.
3456 (get_pool_constant_for_function): Delete.
3457 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3458 rather than SYMBOL_REF_DECL.
3459 (i386_pe_mark_dllimport): Likewise.
3460 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3461 rather than SYMBOL_REF_DECL.
3462 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3463 (machopic_indirect_call_target): Likewise.
3465 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3467 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3469 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3471 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3473 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3475 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3477 2006-01-24 David Daney <ddaney@avtrex.com>
3480 * configure.ac (enable_tls): New enable option.
3481 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3482 * configure: Regenerate.
3483 * doc/install.texi (--enable-tls): Document new option.
3484 (--disable-tls): Ditto.
3486 2006-01-24 Richard Henderson <rth@redehat.com>
3488 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3489 * alias.c (true_dependence): Respect it.
3490 (canon_true_dependence, write_dependence_p): Likewise.
3491 * builtins.c (get_builtin_sync_mem): Set it.
3493 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3495 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3498 2006-01-24 DJ Delorie <dj@redhat.com>
3500 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3501 for storing constants in single-bit bitfields.
3503 2006-01-25 Ben Elliston <bje@au.ibm.com>
3505 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3507 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3510 * tree-ssa-pre.c (phi_translate): Return NULL
3511 for AGGREGATE_TYPE's.
3513 2006-01-24 Zack Weinberg <zackw@panix.com>
3515 * genautomata.c (process_state_for_insn_equiv_partition):
3516 Use xcalloc for insn_arcs_array.
3517 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3518 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3520 2006-01-24 Richard Henderson <rth@redhat.com>
3522 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3525 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3527 PR rtl-optimization/25890
3528 PR rtl-optimization/25905
3529 * combine.c (expand_compound_operation, expand_field_assignment):
3530 Fail if the bitfield's final position is out of bounds.
3532 2006-01-24 Ian Lance Taylor <ian@airs.com>
3535 * cgraphunit.c (cgraph_output_in_order): Don't clear
3536 cgraph_asm_nodes until after asm strings have been output.
3538 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3540 * fix-header.c (read_scan_file): Add new parameter imultilib when
3541 calling register_include_chains.
3543 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3545 * omp-low.c: Update documentation.
3547 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3548 Daniel Berlin <dberlin@dberlin.org>
3552 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3553 return from the function.
3555 2006-01-22 Zack Weinberg <zackw@panix.com>
3557 * rtl.def (match_code): Add second argument.
3558 * genpreds.c (write_extract_subexp): New function.
3559 (write_match_code): Add path argument. Use write_extract_subexp.
3560 (write_predicate_expr): Pass path to write_match_code.
3561 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3562 not perform a mode test.
3563 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3564 a subexpression does not constrain the top-level code set.
3565 * read-rtl.c (read_rtx_variadic): New function.
3566 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3567 * doc/md.texi: Document new notation.
3568 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3569 (cmpsi_operand): ... here, using new notation.
3571 2006-01-22 Zack Weinberg <zackw@panix.com>
3573 * varray.c: Remove GENERATOR_FILE #ifdefs.
3575 2006-01-22 Zack Weinberg <zackw@panix.com>
3577 * genautomata.c (output_reserved_units_table): Emit nothing if
3578 description->query_units_num is zero. Remove extra blank line.
3579 (output_cpu_unit_reservation_p): Short circuit
3580 if description->query_units_num is zero.
3582 2006-01-22 Zack Weinberg <zackw@panix.com>
3584 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3585 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3586 nor any of the random handful of variables that used to be necessary
3587 when this program was linked with rtlanal.o. Prune set of forward
3588 function declarations.
3589 (struct attr_desc): Remove static_p field.
3590 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3591 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3592 (attr_string): Do not read the character one past the length of
3594 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3595 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3596 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3597 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3598 (make_automaton_attrs): New.
3599 (main): Do not call into genautomata. Call local gen_bypass
3600 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3601 Remove special case for insn_alts.
3602 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3603 varray.h (leftover from previous change). Prune set of forward
3604 function declarations. Remove state_alts fields from all
3605 structures. Remove state_alts_table from struct automaton.
3606 Make everything except main static. Do not maintain num_dfa_decls.
3607 Do not maintain state_alts fields of various structures.
3608 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3609 (add_arc): Remove state_alts argument. All callers updated.
3610 (output_reserved_units_table): Emit #ifdef here...
3611 (output_tables): ...not here. Don't generate state_alts tables.
3612 (expand_automata): Don't generate attributes.
3613 (write_automata): Don't generate state_alts functions.
3614 (main): New function.
3615 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3616 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3617 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3618 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3619 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3620 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3621 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3622 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3624 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3625 * genattrtab.h: Delete file.
3626 * Makefile.in (OBJS-common): Add insn-automata.o.
3627 (insn-automata.o): New rule.
3628 (simple_generated_c): Add insn-automata.c.
3629 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3630 (genprogmd): Add automata.
3631 (build/genattrtab): Needs no extra objects nor libraries.
3632 (build/genautomata): Needs build/vec.o and -lm.
3634 2006-01-22 Zack Weinberg <zackw@panix.com>
3636 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3637 (output_dfa_max_issue_rate, locked_states_num): Delete.
3638 (struct automaton): Add locked_states field.
3639 (output_dead_lock_vect): Save number of locked states in
3640 automaton->locked_states. If it is zero, don't print anything.
3641 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3642 (output_internal_dead_lock_func): Only test the dead_lock_vect
3643 for automata that have locked states.
3644 (output_statistics): Always print the number of locked states for
3645 each automaton. Calculate total number of locked states here.
3646 (write_automata): Don't call output_dfa_max_issue_rate.
3647 * genattrtab.c: Define length_unit_log as a const variable.
3648 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3649 max_insn_queue_index const.
3650 * final.c (length_unit_log): Declare const.
3651 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3653 2006-01-22 Zack Weinberg <zackw@panix.com>
3655 * genautomata.c: Include vec.h, not varray.h.
3656 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3657 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3658 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3659 VEC_* macros operating on appropriately typed vectors, or to
3660 malloced arrays when the size is known in advance. Const-ify
3661 many char* variables and function arguments. No functional changes.
3662 * Makefile.in (build/varray.o): Delete rule.
3663 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3664 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3666 2006-01-22 Zack Weinberg <zackw@panix.com>
3668 * gensupport.c: Define get_insn_name and record_insn_name here.
3669 (read_md_rtx): Call record_insn_name as appropriate.
3670 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3671 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3672 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3674 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3675 (BUILD_VARRAY): Delete.
3676 (genprognormal): Rename genprogmd. Fold in all programs from
3677 genprognoprint; also attrtab.
3678 (build/genattrtab): Just mention genautomata.o and varray.o.
3679 Reorganize a bit, add comments to make the categories clearer.
3681 2006-01-22 Zack Weinberg <zackw@panix.com>
3683 * genconditions.c (condition_table, add_condition): Delete.
3684 (write_conditions): Don't emit n_insn_conditions nor
3685 insn_elision_unavailable. Issue the gcc version #ifdef here,
3686 inside the table, with no #else clause ...
3687 (write_header): ...not here.
3688 (write_writer): New function.
3689 (main): Don't initialize condition_table. Use add_c_test.
3691 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3692 files on the command line.
3693 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3694 Return -1 if there is no entry in the table, don't abort.
3695 (add_c_test, traverse_c_tests): New functions.
3696 * gensupport.h (insn_elision_unavailable, insn_conditions)
3697 (n_insn_conditions): Delete declarations.
3698 (add_c_test, traverse_c_tests): Declare.
3699 * read-rtl.c: Include gensupport.h.
3700 (read_conditions): New function.
3701 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3702 (read_rtx_1): If we get EOF when we were looking for an initial
3703 open paren, return 0. Call read_conditions when appropriate.
3704 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3705 dummy-conditions.o. Eliminate references to insn-conditions.o,
3706 or change them to build/gencondmd.o, as appropriate. Remove
3707 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3708 from $(simple_generated_c). For all files remaining in those
3709 two lists, add insn-conditions.md to the generator command line.
3710 Give insn-constants.h/s-constants their own rules. Add rules
3711 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3712 (build/read-rtl.o): Depend on gensupport.h.
3713 (genprognormal): Include preds.
3714 (genprogearly): Rename genprognoprint; only difference is now that
3715 they don't link with $(BUILD_PRINT).
3716 * dummy-conditions.c: Delete.
3718 2006-01-22 Zack Weinberg <zackw@panix.com>
3720 * genextract.c: Don't include insn-config.h. Do include vec.h.
3721 Declare vectors of int, char, and locstr.
3722 (locstr): New typedef.
3723 (struct extraction): Make all array fields into bare pointers.
3724 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3725 (insn_code_number): Delete.
3726 (accum_extract): New struct.
3727 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3728 (gen_insn): Take insn_code_number as an argument. Use an
3729 accum_extract structure instead of loading data directly into
3730 a struct extraction, and having to know how big it might get.
3731 (walk_rtx): Operate entirely on an accum_extract structure.
3732 (print_path): Avoid unnecessary use of printf.
3733 (print_header): New function, split out of main. Distinguish
3734 more carefully between an unrecognizable insn and an insn that
3735 has the code number of a define_expand.
3736 (main): Pass insn_code_number to gen_insn. Call print_header
3737 only after parsing. Avoid unnecessary use of printf.
3738 * Makefile.in (build/vec.o): New rule.
3739 (build/genextract): Depend on build/vec.o.
3740 (build/genextract.o): Don't depend on insn-config.h.
3742 2006-01-22 Zack Weinberg <zackw@panix.com>
3744 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3745 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3746 practical. Eliminate per-generator-program link rules.
3748 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3751 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3752 with a call expr to ...
3753 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3755 2006-01-23 Richard Guenther <rguenther@suse.de>
3757 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3758 before make_edge with conditional EDGE_TRUE_VALUE.
3760 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3761 Jan Hubicka <jh@suse.cz>
3762 Richard Guenther <rguenther@suse.de>
3764 PR rtl-optimization/25654
3765 * cfgexpand.c (aggregate_contains_union_type): New function.
3766 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3767 for structure variables that contain a union type.
3769 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3771 * gengtype.c (new_structure): Return the structure.
3772 (create_option): Add an extra "next" argument.
3773 (create_field): New function.
3774 (adjust_field_rtx_def): Use create_option and create_field.
3775 Remove a now-unnecessary call to find_structure.
3776 (adjust_field_tree_def): Likewise.
3777 (note_yacc_type): Remove an unnecessary call to find_structure.
3778 * gengtype.h (new_structure): Return the structure.
3779 (create_option): Add an extra argument.
3780 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3781 (option): Adjust calls to create_option.
3783 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3785 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3787 2006-01-22 Paul Brook <paul@codesourcery.com>
3788 Peter Barada <peter@the-baradas.com>
3790 * config/m68k/m68k.md: Add Coldfire FPU support.
3791 Define FP mode macro and associated attributes.
3792 Use it for float mode patterns.
3793 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3794 (LIBCALL_VALUE): Use m68k_libcall_value.
3795 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3796 (m68k_function_value): Ditto.
3797 (emit_move_sequence): Ditto.
3798 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3799 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3800 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3801 (MULTILIB_EXCEPTIONS): Ditto.
3802 * config/m68k/m68k.opt: Add mcfv4e.
3803 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3804 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3805 (m68k_output_function_prologue): Save ColdFire FPU registers.
3806 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3807 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3808 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3809 ColdFire FPU registers.
3810 (m68k_libcall_value, m68k_function_value): New functions.
3811 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3812 (LIBCALL_VALUE): Use m68k_libcall_value.
3813 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3814 (MASK_COLDFIRE): Add MASK_CFV4E.
3815 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3816 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3817 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3818 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3819 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3820 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3821 * doc/invoke.tex: Document -mcfv4e on m68k.
3823 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3825 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3828 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3831 * c-opts.c (c_common_handle_option): Don't include
3832 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3833 * doc/invoke.texi (C++ Dialect Options): Document that
3834 -Wnon-virtual-dtor is no longer included in -Wall.
3836 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3838 * gcov.c (print_version), gcov-dump.c (print_version),
3839 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3842 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3844 * df-scan.c (problem_SCAN): Added NULL reset function.
3845 (df_scan_reset_blocks): Added code to call reset block function
3846 (df_bb_refs_delete) Fixed comment.
3847 (df_insn_refs_delete): Made tolerant of deleting non existent info
3848 for dataflow problems that need to be reset.
3849 * df-core.c (df_set_blocks): Ditto.
3850 * df.h (struct df_problem): Added reset_fun.
3851 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3852 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3853 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3854 functions to clear out all references to def-use or use-def chains.
3856 2006-01-21 Ben Elliston <bje@au.ibm.com>
3858 * varasm.c (assemble_real): Initialise data array.
3860 2006-01-20 Paul Brook <paul@codesourcery.com>
3862 Merge from csl-arm-branch.
3863 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3864 * config/arm/arm.md (movdi): Force operands[1] to a register
3865 if we have a non-register source.
3866 (*arm_movdi, *movdf_soft_insn): Require that one of the
3867 operands be a register.
3868 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3869 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3871 2006-01-20 DJ Delorie <dj@redhat.com>
3873 * varasm.c (initialize_constant_valid_p): Allow pointers
3874 initialized from integer constants of lesser precision.
3875 (output_constant): Allow non-int-sized pointer modes to be
3876 initialized from integer constants.
3878 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3881 * cppdefault.h (struct default_include): Add multilib flag.
3882 * cppdefault.c (cpp_include_defaults): Set it.
3883 * c.opt (-imultilib): New option.
3884 * c-opts.c (imultilib): New.
3885 (c_common_handle_option): Handle -imultilib.
3886 (c_common_post_options): Likewise.
3887 * c-incpath.c (add_standard_paths, register_include_chains):
3889 * c-incpath.h (register_include_chains): Add extra parameter.
3890 * gcc.c (do_spec_1): Generate -imultilib option.
3891 (The Specs Language): Update %I description.
3892 (process_command): Update copyright notice.
3893 * doc/cppopts.texi (-imultilib): Document.
3894 * doc/invoke.texi (-imultilib): Include in option summary.
3895 (%I): Update specs documentation.
3897 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3899 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3901 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3903 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3906 2006-01-20 Richard Guenther <rguenther@suse.de>
3907 Steven Bosscher <stevenb.gcc@gmail.com>
3909 PR rtl-optimization/24626
3910 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3911 EDGE_TRUE_VALUE if in RTL mode.
3914 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3915 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3917 2006-01-20 Dirk Mueller <dmueller@suse.com>
3920 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3921 instead of a special NOP marker.
3922 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3923 NOP marker handling.
3924 * c-common.h (empty_body_warning): Add forward declaration.
3925 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3926 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3928 2006-01-20 Paul Brook <paul@codesourcery.com>
3930 * Makefile.in (lang_checks): Keep going if mkdir fails.
3932 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3934 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3935 be able to clean out basic block when not necessary.
3936 (df_scan_free): Fixed to properly delete information if df is
3937 unused before calling df_finish.
3938 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3939 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3941 (df_bb_refs_delete): New function.
3942 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3943 * df-core.c (df_set_blocks): Added code to properly clean out
3944 unused blocks if they are not part of the blocks to consider.
3945 Added additional null check.
3946 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3947 be able to clean out basic block when not necessary
3948 * df.h (df_free_bb_function): Ditto.
3949 (df_bb_refs_delete): New function.
3950 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3951 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3952 basic block parameter to be able to clean out basic block when not
3954 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3955 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3956 Fixed to properly delete information if df is unused before
3959 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3961 PR rtl-optimization/25799
3962 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3963 Corrected confluence operator to remove bits from op2 before oring
3964 with op1 rather than removing bits from op1.
3965 (df_ru_transfer_function): Corrected test on wrong bitmap which
3966 caused infinite loop. Both of these problems were introduced in
3967 the dataflow rewrite.
3969 2006-01-19 DJ Delorie <dj@redhat.com>
3971 * reload1.c (find_reload_regs): Note the details of reload
3972 failures in the dump file.
3973 (spill_failure): Likewise.
3975 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3977 * loop-iv.c: Include df.h and hashtab.h.
3978 (enum iv_grd_result): New enum.
3979 (DF_REF_IV, DF_REF_IV_SET): New macros.
3980 (struct biv_entry): New.
3981 (df, bivs): New global variables.
3982 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3983 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3985 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3986 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3987 analyzed_for_bivness_p, record_biv): New functions.
3988 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3989 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3990 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3992 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3994 (iv_number_of_iterations): Use new interface to iv analysis.
3995 * loop-unroll.c: Do not include varray.h.
3996 (analyze_iv_to_split_insn): Use new interface to iv
3998 * loop-unswitch.c (may_unswitch_on): Ditto.
3999 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4001 (df_bb_modify): Realloc tables to the new index.
4002 (df_find_use): New function.
4003 * df.h (df_find_use): Declare.
4004 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4006 * cfgloop.h (struct rtx_iv): Remove analysed field.
4007 (iv_get_reaching_def): Removed.
4008 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4009 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4010 (loop-iv.o): Add df.h and hashtab.h dependency.
4011 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4013 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4016 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4018 (__floatundisf, __floatundidf): Likewise.
4019 * libgcc2.h (IS_IBM_EXTENDED): Define.
4021 2006-01-19 DJ Delorie <dj@redhat.com>
4023 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4025 2006-01-19 Paul Brook <paul@codesourcery.com>
4027 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4028 as nothrow when unwinding tables are disabled.
4030 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4033 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4034 of bit-field" when in system header.
4036 2006-01-19 DJ Delorie <dj@redhat.com>
4038 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4039 the 16 bit shift limit of the m16c.
4041 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4044 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4045 * config/i386/i386.c (output_set_got): Output the label if we have one
4046 for the TARGET_DEEP_BRANCH_PREDICTION case.
4048 2006-01-19 Jan Hubicka <jh@suse.cz>
4049 H.J. Lu <hongjiu.lu@intel.com>
4050 Evandro Menezes <evandro.menezes@amd.com>
4052 * invoke.texi (generic): Document
4054 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4055 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4056 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4057 (x86_use_incdec, x86_pad_returns): New variables
4058 (TARGET_CPU_DEFAULT_generic): New constant
4059 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4060 (enum processor_type): Add generic32 and generic64.
4061 * i386.md (cpu attribute): Add generic32/generic64
4062 (movhi splitter): Behave sanely when both partial_reg_dependency and
4063 partial_reg_stall are set.
4064 (K8 splitters): Enable for generic as well.
4065 * predicates.md (incdec_operand): Use TARGET_INCDEC
4066 (aligned_operand): Avoid memory mismatch stalls.
4067 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4068 * ppro.md: Enable for generic32
4069 * i386.c (generic64_cost, generic32_cost): New.
4070 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4071 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4072 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4073 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4074 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4075 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4076 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4077 x86_accumulate_outgoing_args, x86_prologue_using_move,
4078 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4079 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4081 (x86_use_incdec, x86_pad_returns): New.
4082 (override_options): Add generic32 and generic64, translate "generic"
4083 to generic32/generic64 and "i686" to "generic32", refuse
4084 "generic32"/"generic64" as arch target.
4085 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4086 (ix86_reorg): Honor PAD_RETURNS.
4088 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4090 * tree-pretty-print.c (dump_generic_node): Handle
4091 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4092 * cgraph.c (cgraph_expand_queue): Rename from
4093 cgraph_analyze_queue. Update all users.
4094 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4095 cgraph_expand_queue.
4096 (cgraph_expand_all_functions): Likewise.
4097 (cgraph_finalize_pending_functions): Remove. Update callers.
4099 * tree.h (OMP_DIRECTIVE_P): Define.
4100 (OMP_PARALLEL_FN): Define.
4101 (OMP_PARALLEL_DATA_ARG): Define.
4102 (OMP_SECTIONS_SECTIONS): Define.
4103 * tree-pass.h (pass_expand_omp): Declare.
4104 * omp-low.c (struct omp_region): Declare.
4105 (struct omp_context): Remove fields 'parallel_type',
4106 'parallel_start_ix' and 'parallel_start_additional_args'.
4108 (struct omp_for_data): Rename from struct expand_omp_for_data.
4109 (omp_regions): New static variable.
4110 (root_omp_region): New static variable.
4111 (find_omp_clause): Make static.
4112 (is_in_combined_parallel_ctx): Remove.
4113 (is_combined_parallel): New.
4114 (extract_omp_for_data): Move earlier in the file.
4115 (workshare_safe_to_combine_p): New.
4116 (get_ws_args_for): New.
4117 (determine_parallel_type): Move earlier in the file.
4118 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4120 (omp_copy_decl): Likewise.
4121 (create_omp_child_function): Likewise.
4122 (lookup_omp_region): New.
4123 (dump_omp_region): New.
4124 (debug_omp_region): New.
4125 (debug_all_omp_regions): New.
4126 (new_omp_region): New.
4127 (scan_omp_parallel): If parallel_nesting_level > 1, the
4128 directive is nested within another parallel directive.
4129 Set OMP_PARALLEL_FN.
4130 (scan_omp_for): Do not try to handle combined parallel+for
4132 Remove FIXME comment.
4133 (scan_omp_nested): Remove.
4134 (scan_omp_1): Do not call scan_omp_nested when
4135 parallel_nesting_level is > 1.
4136 Do not change the DECL_CONTEXT of local variables found.
4137 (lookup_decl_in_outer_ctx): New.
4138 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4139 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4140 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4141 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4142 If CTX is nested, lookup VAR in the outer context when
4143 building copy assignment.
4144 (lower_send_clauses): Rename from expand_send_clauses.
4145 If CTX is nested, lookup VAR in the outer context when
4146 building copy assignments.
4147 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4148 If CTX is nested, lookup VAR in the outer context when
4149 building copy assignments.
4150 (expand_parallel_call): Rename from build_parallel_call.
4151 Handle combined parallel+workshare cases.
4152 Re-implement to emit code into the CFG.
4154 (expand_omp_parallel): Re-implement to emit code into the CFG.
4155 Call move_sese_region_to_fn to outline the sub-graph
4156 containing the parallel region.
4157 (expand_omp_for_1): Remove.
4158 (expand_omp_for_generic): Re-implement to emit code into the
4160 (expand_omp_for_static_nochunk): Likewise.
4161 (expand_omp_for_static_chunk): Likewise.
4162 (expand_omp_for): Likewise.
4163 (expand_omp_sections): Likewise.
4164 (remove_exit_barriers): New.
4165 (expand_omp_synch): New.
4167 (build_omp_regions_1): New.
4168 (build_omp_regions): New.
4169 (execute_expand_omp): New.
4170 (gate_expand_omp): New.
4171 (pass_expand_omp): Define.
4172 (lower_omp_sections): Rename from expand_omp_sections.
4173 Set OMP_SECTIONS_SECTIONS.
4174 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4175 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4176 (lower_omp_single): Rename from expand_omp_simple.
4177 (lower_omp_master): Rename from expand_omp_master.
4178 (lower_omp_ordered): Rename from expand_omp_ordered.
4179 (lower_omp_critical): Rename from expand_omp_critical.
4180 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4181 (lower_omp_for): Re-implement.
4182 (lower_omp_parallel): Re-implement.
4183 (lower_regimplify): Rename from expand_regimplify.
4184 (lower_omp_1): Rename from expand_omp_1.
4185 If there are syntax errors in the program, replace every
4186 OpenMP directive with NOP.
4187 Call lower_omp_* instead of expand_omp_*.
4188 (lower_omp): Rename from expand_omp.
4190 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4191 * tree-gimple.h (enum omp_parallel_type): Remove.
4192 (gimple_boolify): Declare extern.
4193 (find_omp_clause, determine_parallel_type): Remove.
4195 * gimple-low.c (lower_omp_directive): New.
4196 (lower_stmt): Call it.
4197 (record_vars_into): Move from ...
4198 (record_vars): ... here.
4199 Call record_vars_into with current_function_decl.
4201 * gimplify.c (struct gimplify_ctx): Remove fields
4202 combined_pre_p and combined_ctxp. Update users.
4203 (get_formal_tmp_var): Add documentation.
4204 (gimple_boolify): Make extern.
4205 (gimplify_expr_in_ctx): Remove. Update callers.
4206 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4207 will always be a BIND_EXPR.
4208 (gimplify_expr): Handle OMP_RETURN_EXPR.
4209 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4210 (OMP_PARALLEL): Add 3 operands.
4211 (OMP_SECTIONS): Add 1 operand.
4212 (OMP_RETURN_EXPR): Define.
4214 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4215 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4216 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4217 creating a circular free list.
4218 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4220 * tree-flow.h (move_sese_region_to_fn): Declare.
4221 (record_vars_into): Declare.
4222 * tree-cfg.c (make_omp_sections_edges): New.
4223 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4224 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4225 OMP_SECTIONS and OMP_SECTION.
4226 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4227 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4228 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4229 (gather_blocks_in_sese_region): New.
4230 (struct move_stmt_d): Declare.
4232 (move_block_to_fn): New.
4233 (move_sese_region_to_fn): New.
4235 * passes.c (init_optimization_passes): Schedule
4236 pass_expand_omp after pass_init_datastructures.
4238 * tree-ssa-operands.c (get_expr_operands): Handle
4239 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4240 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4242 2006-01-19 Jeff Law <law@redhat.com>
4244 * tree-vrp.c (extract_range_from_assert): Refine the result range
4245 if the variable referenced by the ASSERT_EXPR has a range and
4246 either the tentative result range or the previous range is a
4249 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4251 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4253 2006-01-19 Jan Hubicka <jh@suse.cz>
4255 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4257 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4259 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4260 (expand_compound_operation, expand_field_assignment): Fail if the
4261 bit lengths of an extract operation are out of range.
4262 (make_extraction): Compute wanted_inner_mode based on the position
4263 and length of the extraction. Make it extraction_mode for non-constant
4264 positions, and do not modify offset in that case. When generating a
4265 new MEM, use a mode that can hold the extraction while keeping correct
4266 alignment. Remove code that supported MEMs wrapped by USEs.
4267 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4269 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4271 * config/s390/s390.md ("Y", "y"): New mode attribute.
4272 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4273 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4274 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4275 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4276 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4277 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4278 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4279 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4280 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4281 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4282 "addsi3", "subsi3"): Insn patterns removed.
4283 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4284 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4285 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4286 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4287 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4288 "*sub<mode>3_cconly2"): New insn patterns.
4289 ("addsi3", "subsi3"): New expanders.
4291 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4293 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4294 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4295 existing STMT_VINFO_VECTYPE if available.
4296 (vect_mark_relevant): Add special handling for stmts that are
4297 marked as STMT_VINFO_IN_PATTERN_P.
4298 (vect_analyze_loop): Call vect_pattern_recog.
4299 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4300 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4302 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4303 (vect_recog_func_ptr): New function-pointer type.
4304 * tree-vect-patterns.c: New file.
4305 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4306 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4307 (vect_pattern_recog_1): New functions.
4308 (vect_pattern_recog_funcs): New array of function pointers.
4310 * tree-vectorizer.h (ternary_op): New enum value.
4311 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4312 declaration. Revised documentation. Removed redundant dump prints.
4313 Removed redundant argument. Added support for reduction patterns.
4314 (vectorizable_reduction): Added support for reduction patterns.
4315 (vect_transform_stmt): Added support for patterns.
4317 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4318 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4319 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4320 (expand_widen_pattern_expr): New function.
4321 (init_optabs): Initialize new optabs udot_prod_optab,
4323 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4324 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4325 (expand_widen_pattern_expr): New function declaration.
4326 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4328 * tree-inline.c (estimate_num_insns_1): Added cases for new
4329 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4330 * tree-pretty-print.c (dump_generic_node): Likewise.
4331 (op_prio): Likewise.
4332 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4333 * tree-ssa-operands.c (get_expr_operands): Added case for
4335 * tree-vect-patterns.c (widened_name_p): New function.
4336 (vect_recog_dot_prod_pattern): Added function implementation.
4337 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4338 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4339 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4340 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4342 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4343 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4344 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4345 (init_optabs): Initialize new optabs widen_ssum_optab,
4347 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4348 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4349 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4350 use instead of type of def.
4351 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4352 function implementation.
4353 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4354 widen_ssumv8hi): New.
4356 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4359 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4362 * c-decl.c (add_flexible_array_elts_to_size): New function.
4363 (finish_decl): Use it.
4365 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4367 * diagnostic.h: Include options.h.
4368 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4369 dependancies for diagnostic.h.
4370 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4372 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4374 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4375 (ssa_ro_call_cache_valid): Ditto.
4376 * tree-ssa-alias.c (sort_tags_by_id): New function.
4377 (init_transitive_clobber_worklist): Ditto.
4378 (add_to_worklist): Ditto.
4379 (mark_aliases_call_clobbered): Ditto.
4380 (compute_tag_properties): Ditto.
4381 (set_initial_properties): Ditto.
4382 (compute_call_clobbered): Ditto.
4383 (compute_may_aliases): Call compute_call_clobbered and grouping.
4384 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4385 (compute_flow_insensitive_aliasing): Grouping now happens in our
4387 (setup_pointers_and_addressables): Remove clobbering related code.
4388 (add_may_alias): Ditto.
4389 (replace_may_alias): Ditto.
4390 (get_nmt_for): Ditto.
4391 (create_global_var):
4392 (is_escape_site): Return an escape_type enumeration.
4393 * tree-flow-inline.h (is_call_clobbered): Global var does not
4394 imply call clobbered.
4395 (mark_call_clobbered): Take a reason for marking this. Remove
4396 marking of globalness, and cache invalidation.
4397 (clear_call_clobbered): Remove cache invalidation code.
4398 * tree-dfa.c (dump_variable): If details is on, dump the reason
4400 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4402 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4403 (struct var_ann_d): Ditto.
4404 (enum escape_type): New.
4405 (mark_call_clobbered): Adjust prototype.
4406 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4407 are never call clobbered.
4408 Record reasons for escaping.
4409 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4410 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4411 (ssa_ro_call_cache_valid): Ditto.
4412 (clobbered_v_may_defs): Ditto.
4413 (clobbered_vuses): Ditto.
4414 (ro_call_vuses): Ditto.
4415 (clobber_stats): New.
4416 (init_ssa_operands): Zero out clobber stats.
4417 (fini_ssa_operands): Print out clobber stats.
4418 (get_call_expr_operands): Pass callee fndecl to
4420 (add_call_clobber_ops): Remove use of cache.
4421 Add use of PURE_CONST information.
4422 (add_call_read_ops): Remove use of cache.
4423 Add use of static not_read information.
4425 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4427 Introduce TLS descriptors for i386 and x86_64.
4428 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4429 (TARGET_ANY_GNU_TLS): New macro.
4430 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4431 (struct machine_function): Add tls_descriptor_call_expanded_p.
4432 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4433 (ix86_current_function_calls_tls_descriptor): Likewise.
4434 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4435 (override_options): Introduce gnu2 tls dialect.
4436 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4438 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4440 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4441 (ix86_init_machine_status): Initialize new field.
4442 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4443 (ix86_tls_module_base): New.
4444 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4445 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4446 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4447 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4448 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4449 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4450 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4451 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4452 * config/i386/predicates.md (tls_modbase_operand): New.
4453 (tp_or_register_operand): New.
4455 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4457 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4458 (look_for_address_of): Ditto.
4459 (ipa_init): Walk the function decls.
4460 (static_execute): Don't set readonly on FUNCTION_DECL's.
4462 2006-01-18 Roger Sayle <roger@eyesopen.com>
4464 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4465 for shifts where the source and destination registers are different.
4467 2006-01-18 Paul Brook <paul@codesourcery.com>
4469 Merge from csl-arm-branch.
4470 2005-03-14 Julian Brown <julian@codesourcery.com>
4471 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4472 (aeabi_llsl): Likewise.
4473 (ashrdi3): Likewise.
4474 (aeabi_lasr): Likewise.
4475 (lshrdi3): Likewise.
4476 (aeabi_llsr): Likewise.
4477 2005-03-10 Julian Brown <julian@codesourcery.com>
4478 * config.gcc: Disable shared libgcc for SymbianOS.
4479 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4481 2006-01-18 DJ Delorie <dj@redhat.com>
4483 * c-pragma.c (handle_pragma_diagnostic): New.
4484 (init_pragma): Register it.
4485 * doc/extend.texi: Document it.
4487 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4488 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4489 (diagnostic_context): Add classify_diagnostic[].
4490 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4491 as errors if they're overridden to DK_WARNING.
4492 (diagnostic_initialize): Initialize classify_diagnostic[].
4493 (diagnostic_set_kind_override): New.
4494 (diagnostic_report_diagnostic): Check for kind changes.
4495 * opts.c (common_handle_option): Take lang_mask. Update callers.
4497 * common.opt (Werror=): New.
4498 * doc/invoke.texi: Document -Werror=*
4500 2006-01-18 Jeff Law <law@redhat.com>
4502 * tree-vrp.c (test_for_singularity): Correct test for new
4503 min limit. Use operand_equal_p rather than pointer equality
4504 for testing if new min/max values are equal.
4506 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4507 using range information until after propagation and folding.
4509 2006-01-18 Richard Henderson <rth@redhat.com>
4510 Aldy Hernandez <aldyh@redhat.com>
4511 Jakub Jelinek <jakub@redhat.com>
4512 Diego Novillo <dnovillo@redhat.com>
4514 * omp-low.c: New file.
4515 * c-omp.c: New file.
4517 2006-01-18 Richard Henderson <rth@redhat.com>
4518 Jakub Jelinek <jakub@redhat.com>
4519 Diego Novillo <dnovillo@redhat.com>
4521 * doc/invoke.texi: Document -fopenmp.
4522 * tree-dump.h (debug_function): Declare.
4523 * hooks.c (hook_bool_tree_bool_false): New function.
4524 (hook_tree_tree_null): Remove.
4525 (hook_tree_tree_tree_null): New.
4526 * hooks.h: Update to match.
4527 * tree-pretty-print.c (debug_tree_chain): New.
4528 (print_generic_expr): Handle TDF_CHAIN.
4529 (dump_generic_node): Handle BLOCK.
4530 Do not abort with incomplete SWITCH_EXPRs.
4531 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4532 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4533 print space after directive name.
4534 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4535 Handle OMP_MASTER and OMP_ORDERED.
4536 Handle printing of OMP_BODY just in one place, goto
4537 dump_omp_body in the rest of OMP_* nodes that have
4539 Don't handle clause nodes here. Update omp statements to
4540 use dump_omp_clauses.
4541 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4542 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4543 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4544 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4545 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4546 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4547 Adjust output for GOMP_PARALLEL.
4548 (dump_omp_clauses): New.
4549 (print_declaration): Dump DECL_VALUE_EXPR.
4550 (op_symbol_1): Split out of op_symbol.
4551 (dumping_stmts): Remove. Update all users.
4552 * cgraph.c (cgraph_analyze_queue): New.
4553 (cgraph_add_new_function): New.
4554 * cgraph.h (cgraph_analyze_queue): Declare.
4555 (cgraph_add_new_function): Declare.
4556 (cgraph_lower_function): Remove.
4557 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4558 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4559 and TYPE_P nodes in its default clause.
4560 (empty_body_p): New.
4561 (tree_range_check_failed): New.
4563 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4564 OMP_CLAUSE_REDUCTION_MERGE,
4565 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4566 OMP_CLAUSE_PRIVATE_DEBUG,
4567 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4568 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4569 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4570 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4571 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4572 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4573 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4574 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4575 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4576 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4577 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4578 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4579 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4580 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4581 (TREE_RANGE_CHECK): New.
4582 (empty_body_p): Declare.
4583 (enum omp_clause_default_kind): New.
4584 (build_string_literal): Declare.
4585 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4586 (build5_stat, build5): Declare.
4587 * tree-pass.h (TDF_CHAIN): Define.
4588 * tree-pass.h (PROP_gimple_lomp): Define.
4589 (pass_lower_omp): Declare.
4590 * diagnostic.h (debug_tree_chain): Declare.
4591 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4593 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4594 * builtins.c (build_string_literal): Make extern.
4595 * gcc.c (include_spec_function): New.
4596 (static_spec_functions): Add it.
4597 (main): Move load of libgomp.spec ...
4598 (LINK_COMMAND_SPEC): ... here.
4599 (link_gomp_spec): New.
4600 (static_specs): Include it.
4601 (LINK_COMMAND_SPEC): Add link_gomp.
4602 (GOMP_SELF_SPECS): New.
4603 (driver_self_specs): Include it.
4604 (switch_matches): Don't mark inline.
4605 (main): Load libgomp.spec.
4606 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4607 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4608 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4609 * tree-gimple.h (enum omp_parallel): Declare.
4610 (determine_parallel_type): Declare.
4611 (omp_firstprivatize_variable): Declare.
4612 (omp_reduction_init): Declare.
4613 (diagnose_omp_structured_block_errors): Declare.
4614 (struct walk_stmt_info): Add want_return_expr.
4615 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4616 (find_omp_clause): Declare.
4617 (insert_field_into_struct): Declare.
4618 (struct walk_stmt_info): Move from tree-nested.c
4619 (walk_stmts): Declare.
4620 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4622 * cgraphunit.c (cgraph_lower_function): Make static.
4623 (cgraph_finalize_pending_functions): New.
4624 (cgraph_finalize_function): Call it.
4625 (cgraph_finalize_compilation_unit): Likewise.
4626 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4627 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4628 (BT_FN_UINT_UINT): New.
4629 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4630 DEF_FUNCTION_TYPE_VAR_4): Document.
4631 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4632 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4633 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4634 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4635 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4636 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4637 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4638 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4639 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4640 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4641 into separate files.
4642 (DEF_GOMP_BUILTIN): New.
4643 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4644 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4645 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4646 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4647 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4648 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4649 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4650 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4651 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4652 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4653 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4654 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4655 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4656 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4657 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4658 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4659 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4660 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4661 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4662 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4663 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4664 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4665 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4666 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4667 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4668 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4669 * sync-builtins.def: New file, moved from builtins.def.
4670 * omp-builtins.def: New file, moved from builtins.def.
4671 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4672 * gimple-low.c (lower_function_body): Clear data.
4673 (lower_stmt): Do not handle COMPOUND_EXPR.
4674 Remove call to print_node_brief.
4675 * c-tree.h (c_finish_omp_clauses): New prototype.
4676 (C_DECL_THREADPRIVATE_P): Define.
4677 (lookup_name_no_remap, c_omp_remap_private): Remove
4678 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4679 (check_for_loop_decls): Update decl.
4680 (lookup_name_no_remap, c_omp_remap_private): Declare.
4681 (build_indirect_ref, build_modify_expr, pushdecl,
4682 pushdecl_top_level): Move to c-common.h.
4683 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4684 before the switch, but just in the 2 places that need it.
4685 * c-decl.c (diagnose_mismatched_decls): Do not check for
4686 mismatched thread-local attributes when OLDDECL is marked
4687 threadprivate and NEWDECL has no thread-local attributes.
4688 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4689 (c_gimple_diagnostics_recursively): Rename from
4690 c_warn_unused_result_recursively. Invoke
4691 diagnose_omp_structured_block_errors.
4692 (check_for_loop_decls): Return a singular decl found.
4693 * langhooks.c (lhd_omp_predetermined_sharing): Return
4694 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4695 (lhd_omp_firstprivatize_type_sizes): New.
4696 (lhd_omp_assignment): New.
4697 (lhd_omp_predetermined_sharing): New.
4698 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4699 (struct lang_hooks_for_types): Add
4700 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4701 omp_predetermined_sharing, omp_disregard_value_expr,
4702 omp_private_debug_clause, omp_clause_default_ctor,
4703 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4704 (c_finish_omp_clauses): New.
4705 (c_finish_bc_stmt): Diagnose break within omp for.
4706 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4707 (build_unary_op): Return error_mark after reporting
4709 (build_modify_expr): Likewise.
4710 * gimplify.c: Include optabs.h and pointer-set.h.
4711 (enum gimplify_omp_var_data): Declare.
4712 (struct gimplify_omp_ctx): Declare.
4713 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4715 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4716 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4717 (splay_tree_compare_decl_uid): New.
4718 (new_omp_context): New.
4719 (delete_omp_context): New.
4720 (gimple_add_tmp_var): Call omp_add_variable.
4721 (gimplify_bind_expr): Likewise.
4722 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4723 true, disregard DECL_VALUE_EXPR on the decl if any.
4724 (gimplify_expr_in_ctx): New.
4725 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4726 omp_add_variable, omp_notice_variable, omp_is_private
4727 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4728 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4729 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4730 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4731 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4732 gimplify_omp_atomic): New.
4733 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4734 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4735 OMP_CRITICAL and OMP_ATOMIC.
4736 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4737 * c-pragma.h (enum pragma_kind): Add
4738 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4739 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4740 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4741 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4742 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4743 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4744 PRAGMA_OMP_THREADPRIVATE.
4745 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4746 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4747 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4748 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4749 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4750 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4751 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4752 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4753 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4754 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4755 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4756 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4757 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4759 (struct nesting_info): Add field_map,
4760 suppress_expansion, debug_var_chain.
4761 (create_nesting_tree): Initialize them.
4762 (lookup_field_for_decl): Use field_map.
4763 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4764 (convert_local_omp_clauses): New.
4765 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4766 (walk_body): Split out of walk_function.
4767 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4768 (convert_nonlocal_reference): Handle omp statements.
4769 (convert_local_reference): Likewise.
4770 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4771 (unnest_nesting_tree): New.
4772 (lower_nested_functions): Call it.
4773 (insert_field_into_struct): Make extern.
4774 (struct walk_stmt_info): Move to tree-gimple.h.
4775 (walk_stmts): Make extern.
4776 * omp-builtins.def: New file.
4777 * tree-iterator.c (expr_only): Clarify comment.
4778 * c-common.h (pushdecl_top_level, pushdecl,
4779 build_modify_expr, build_indirect_ref,
4780 c_finish_omp_master, c_finish_omp_critical,
4781 c_finish_omp_ordered, c_finish_omp_barrier,
4782 c_finish_omp_atomic, c_finish_omp_flush,
4783 c_finish_omp_for, c_split_parallel_clauses,
4784 omp_clause_default_kind, c_omp_sharing_predetermined,
4785 c_omp_remap_decl): Declare.
4786 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4787 (OBJS-common): Add omp-low.o.
4788 (c-omp.o, omp-low.o): Add.
4789 (gimplify.o): Add dependency on $(OPTABS_H).
4790 (GTFILES): Add omp-low.c.
4791 (gt-stringpool.h): Add.
4792 * tree-cfg.c (set_bb_for_stmt): Do not update the
4793 block-to-labels map if we are currently expanding to RTL.
4794 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4796 Handle IDENTIFIER_NODE.
4797 (tree_verify_flow_info): Do not ICE when emitting error
4798 messages about invalid labels.
4799 (dump_function_to_file): Reset CFUN before emitting the body
4801 (debug_function): New.
4802 * passes.c (init_optimization_passes): Schedule
4804 * langhooks-def.h (lhd_omp_predetermined_sharing,
4805 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4807 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4808 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4809 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4810 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4811 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4812 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4813 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4814 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4815 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4816 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4817 (LANG_HOOK_DECLS): Use them.
4819 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4820 Richard Henderson <rth@redhat.com>
4821 Jakub Jelinek <jakub@redhat.com>
4822 Diego Novillo <dnovillo@redhat.com>
4824 * c-parser.c (pragma_omp_clause): Define.
4825 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4826 (c_parser_compound_statement): Likewise.
4827 (c_parser_statement): Likewise.
4828 (c_parser_pragma): Handle omp pragmas.
4829 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4830 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4831 (c_parser_omp_clause_name, check_no_duplicate_clause,
4832 c_parser_omp_variable_list,
4833 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4834 c_parser_omp_clause_copyprivate,
4835 c_parser_omp_clause_default,
4836 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4837 c_parser_omp_clause_lastprivate,
4838 c_parser_omp_clause_nowait,
4839 c_parser_omp_clause_num_threads,
4840 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4841 c_parser_omp_clause_reduction,
4842 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4843 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4844 c_parser_omp_atomic, c_parser_omp_barrier,
4845 c_parser_omp_critical, c_parser_omp_flush,
4846 c_parser_omp_for_loop, c_parser_omp_for,
4847 c_parser_omp_master, c_parser_omp_ordered,
4848 c_parser_omp_sections_scope, c_parser_omp_sections,
4849 c_parser_omp_parallel, c_parser_omp_single,
4850 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4851 * c-pragma.c (init_pragma): Do omp pragma registration here.
4852 * c.opt (fopenmp): New flag.
4854 2006-01-18 Eric Christopher <echristo@apple.com>
4856 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4857 * config/darwin.h (GOMP_SELF_SPECS): Define.
4859 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4861 * rtl.h: Remove the prototype for reg_alloc.
4863 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4866 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4867 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4868 sjlj and dwarf2 exception handling.
4869 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4870 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4871 * pa/pa.c (function_value): Treat complex and vector types as
4873 (function_arg): Likewise. Only pass scalar floats in the floating
4874 point argument registers.
4875 * pa/t-slibgcc-dwarf-ver: New file.
4876 * pa/t-slibgcc-sjlj-ver: New file.
4877 * pa/t-slibgcc-elf-ver: Delete file.
4879 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4881 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4882 unlikely_test_section_p test.
4884 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4886 * mode-switching.c (optimize_mode_switching): Make it static.
4887 * basic-block.h: Remove the prototype for
4888 optimize_mode_switching.
4890 * modulo-sched.c (sms_schedule): Make it static.
4891 * rtl.h: Remove the prototype for sms_schedule.
4893 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4894 * rtl.h: Remove the prototype for gcse_after_reload_main.
4896 * reg-stack.c (reg_to_stack): Make it static.
4897 * rtl.h: Remove the prototype for reg_to_stack.
4899 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4901 * rtl.h: Remove the prototypes for regrename_optimize and
4902 copyprop_hardreg_forward.
4904 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4906 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4907 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4908 Test against the appropriate null constant for the mode.
4909 If 'fixup_overlap' is true, swap the operands if they overlap.
4910 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4911 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4912 alpha_split_tmode_pair and adjust for above change.
4913 * config/alpha/alpha.md (movtf_internal): Adjust call to
4914 alpha_split_tfmode_pair and rely on it to swap the operands.
4915 (movti_internal): New insn and post-reload splitter.
4916 (movti): New expander.
4918 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4920 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4923 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4925 * rtlanal.c (global_reg_mentioned_p_1,
4926 global_reg_mentioned_p): Remove.
4927 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4929 * flow.c (initialize_uninitialized_subregs): Make it static.
4930 * rtl.h: Remove the prototype for
4931 initialize_uninitialized_subregs.
4933 * function.c (instantiate_virtual_regs): Make it static.
4934 * function.h: Remove the prototype for
4935 instantiate_virtual_regs.
4937 * regmove.c (regmove_optimize, combine_stack_adjustments):
4939 * rtl.h: Remove the prototypes for regmove_optimize and
4940 combine_stack_adjustments.
4942 2006-01-17 Roger Sayle <roger@eyesopen.com>
4944 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4945 (size_cost): Encode costs in bytes so that a reg-reg addition is
4946 equivalent to COSTS_N_INSNS(1).
4947 (override_options): Use the size_cost.branch_cost as the default
4948 ix86_branch_cost when optimizing for size.
4950 2006-01-18 Ben Elliston <bje@au.ibm.com>
4952 * Makefile.in (D32PBIT_FUNCS): New.
4953 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4954 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4955 D64PBIT_FUNCS and D128PBIT_FUNCS.
4956 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4957 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4959 (decnumber_dep): Define.
4960 * doc/libgcc.texi (Decimal float library routines): New node.
4961 * config/dfp-bit.h, config/dfp-bit.c: New files.
4963 2006-01-18 Ben Elliston <bje@au.ibm.com>
4965 * expr.c (emit_move_change_mode): Always adjust addresses, not
4966 just during reload. Copy replacements only during reload.
4967 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4968 emit_move_via_integer.
4970 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4972 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4973 instead of $(srcdir) and ${srcdir}.
4975 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4979 * arm.h (struct machine_function): Add pic_reg.
4980 * arm.c (arm_pic_register): Make unsigned.
4981 (arm_override_options): Only set arm_pic_register if
4982 TARGET_SINGLE_PIC_BASE.
4983 (use_return_insn): Only test for a pic register if it is fixed.
4984 (arm_compute_save_reg0_reg12_mask): Likewise.
4985 (thumb_compute_save_reg_mask): Likewise.
4986 (legitimate_pic_operand): Factor out some known invariants.
4987 (legitimize_pic_address): If we don't have a fixed pic register,
4988 then set up a pseudo in the function entry sequence. Handle the
4989 pic base being in a pseudo.
4990 (arm_load_pic_register): Handle the pic register being in a pseudo.
4991 (arm_expand_prologue): Only set up the pic register if it is fixed.
4992 (thumb_expand_prologue): Likewise.
4993 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4994 (pic_load_addr_based_insn): Likewise.
4995 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4998 2006-01-18 Ben Elliston <bje@au.ibm.com>
5000 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5001 decimal float modes for all floating point registers.
5003 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5004 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5006 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5009 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5010 even when the pointer is not NULL.
5012 2006-01-16 Ian Lance Taylor <ian@airs.com>
5014 * common.opt (ftoplevel-reorder): New option.
5015 * cgraph.c (cgraph_asm_nodes): New global variable.
5016 (cgraph_asm_last_node): New static variable.
5017 (cgraph_order): New global variable.
5018 (cgraph_create_node): Set new order field.
5019 (cgraph_varpool_node): Likewise.
5020 (decide_is_variable_needed): Return true if not
5021 flag_toplevel_reorder.
5022 (cgraph_add_asm_node): New function.
5023 * cgraph.h (struct cgraph_node): Add order field.
5024 (struct cgraph_varpool_node): Add order field.
5025 (struct cgraph_asm_node): Define.
5026 (cgraph_asm_nodes, cgraph_order): Declare.
5027 (cgraph_add_asm_node): Declare.
5028 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5030 (cgraph_varpool_assemble_pending_decls): Call it.
5031 (cgraph_output_pending_asms): New static function.
5032 (cgraph_finalize_compilation_unit): Call it.
5033 (struct cgraph_order_sort): Define.
5034 (cgraph_output_in_order): New static function.
5035 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5036 !flag_toplevel_reorder case.
5037 * c-parser.c: Include "cgraph.h".
5038 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5040 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5041 than -fno-unit-at-a-time.
5042 * doc/invoke.texi (Option Summary): Mention
5043 -fno-toplevel-reorder.
5044 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5045 -funit-at-a-time documentation.
5047 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5048 Kazu Hirata <kazu@codesourcery.com>
5050 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5052 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5054 * Makefile.in (FUNCTION_H): New. Use it instead of
5055 function.h throughout the file.
5056 * function.h: Include tree.h.
5058 2006-01-17 Ben Elliston <bje@au.ibm.com>
5060 * recog.c: Separate some functions with whitespace.
5062 2006-01-16 Richard Henderson <rth@redhat.com>
5064 Merge from gomp branch:
5065 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5066 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5067 and rename from struct inline_data. Rename callee* to dst*;
5068 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5069 transform_new_cfg, transform_return_to_modify, and
5070 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5072 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5073 (copy_decl_for_dup): Remove.
5074 * tree-inline.c (struct inline_data): Move to header.
5075 (insert_decl_map): Export.
5076 (remap_decl): Update for member name changes. Use copy_decl hook.
5077 Allow for replacement to be a non-decl. Remove dead code.
5078 (remap_type_1): Check for existing mapping.
5079 (remap_type): Export.
5080 (remap_decls): Update for member name changes.
5081 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5082 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5083 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5084 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5085 (tree_function_versioning, build_duplicate_type): Likewise.
5086 (copy_body_r): Likewise. Export.
5087 (copy_decl_for_dup): Split into ...
5088 (copy_decl_for_dup_finish, copy_decl_to_var,
5089 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5090 (replace_ref_tree, inlining_p): Remove.
5092 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5094 * ifcvt.c (if_convert): Make it static.
5095 * rtl.h: Remove the prototype for if_convert.
5097 * local-alloc.c (local_alloc): Make it static.
5098 * rtl.h: Remove the prototype for local_alloc.
5100 * loop.c (loop_optimize): Make it static.
5101 * cfgloop.h: Remove the prototype for loop_optimize.
5104 2006-01-16 DJ Delorie <dj@redhat.com>
5106 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5109 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5111 * pa.md: Disparage copies between general and floating-point registers
5112 in 32-bit move patterns.
5114 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5117 * Makefile.in (check-%): Depend on site.exp instead of
5118 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5121 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5123 * global.c (global_alloc): Make it static.
5124 * rtl.h: Remove the prototype for global_alloc.
5126 2006-01-16 Richard Guenther <rguenther@suse.de>
5128 * tree-ssa-alias.c (struct used_part): Add write_only field.
5129 (get_or_create_used_part_for): Initialize it to true.
5130 (create_overlap_variables_for): Don't create structure variables
5131 for structures that only are written to.
5132 (find_used_portions): Handle MODIFY_EXPR to track whether a
5133 structure is only written to.
5135 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5137 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5139 * basic-block.h: Remove the prototype for
5140 partition_hot_cold_basic_blocks.
5142 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5144 * cppspec.c (lang_specific_spec_functions): Remove.
5145 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5146 * gcc.h (lang_specific_spec_functions): Remove.
5147 * gccspec.c (lang_specific_spec_functions): Remove.
5149 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5151 * combine.c (record_value_for_reg): Invalidate registers
5153 (record_dead_and_set_regs_1): Likewise, by passing them to
5154 record_value_for_reg.
5155 (record_dead_and_set_regs): Invalidate stores made by a
5156 call. We do not combine across a call, but we still
5157 relied on equivalences.
5159 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5161 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5162 vrp_int_const_binop returning non-constant nodes.
5164 2006-01-16 Paul Brook <paul@codesourcery.com>
5166 * config/m68k/m68k.c (output_move_const_into_data_reg):
5167 Output correct mnemonic for mvz and mvs.
5169 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5171 * rtl-factoring.c: Add sequence abstraction algorithm.
5172 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5173 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5175 (block_has_preserve_label): New function.
5176 * common.opt: Register new pass.
5177 * Makefile.in: Ditto.
5179 * timevar.def: Ditto.
5180 * tree-pass.h: Ditto.
5181 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5182 * rtl.h (make_jump_insn_raw): Add forward decl.
5183 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5185 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5186 Roger Sayle <roger@eyesopen.com>
5188 * fold-const.c (fold_minmax): New static function.
5189 (fold_binary) <MIN_EXPR>: Call it.
5190 <MAX_EXPR>: Likewise.
5191 * stor-layout.c (place_field): Use DECL_SIZE consistently
5192 in the computation of the new record size.
5194 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5196 * cse.c (cse_condition_code_reg): Make it static.
5197 * rtl.h: Remove the prototype for cse_condition_code_reg.
5199 * combine.c (combine_instructions): Make it static.
5200 * rtl.h: Remove the prototype for combine_instructions.
5202 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5205 * tree.c (get_file_function_name_long): Concatenate the first global
5206 object name with a string derived from the input filename of the object
5209 2006-01-16 Ben Elliston <bje@au.ibm.com>
5211 * config/i386/winnt-stubs.c: Update FSF address.
5212 * config/xtensa/ieee754-df.S: Ditto.
5213 * config/xtensa/ieee754-sf.S: Ditto.
5215 2006-01-14 Ian Lance Taylor <ian@airs.com>
5217 * ifcvt.c (noce_init_if_info): New static function, broken out of
5218 noce_process_if_block.
5219 (noce_process_if_block): Call noce_init_if_info.
5220 (check_cond_move_block): New static function.
5221 (cond_move_process_if_block): New static function.
5222 (process_if_block): Call cond_move_process_if_block.
5224 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5226 * cselib.c (hash_table): Rename to cselib_hash_table.
5227 (cselib_clear_table, discard_useless_values,
5228 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5229 cselib_init, cselib_finish): Adjust uses of hash_table.
5231 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5233 PR tree-optimization/25485
5234 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5235 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5236 is known to be false and true, respectively.
5238 2006-01-14 Richard Guenther <rguenther@suse.de>
5240 PR tree-optimization/22548
5241 PR tree-optimization/22555
5242 PR tree-optimization/22501
5243 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5244 * params.def (salias-max-array-elements): New parameter.
5245 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5246 * doc/invoke.texi (salias-max-array-elements): Document.
5247 * tree-flow-inline.h (var_can_have_subvars): We also handle
5249 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5251 * tree-ssa-structalias.c (params.h): Include.
5252 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5253 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5254 (get_constraint_for): For ADDR_EXPR operating on something
5255 containing an ARRAY_REF, add all subvars to the solution.
5256 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5257 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5258 for creating MUST_DEFs.
5259 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5261 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5263 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5265 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5266 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5267 number_of_iterations_le): New functions.
5268 (number_of_iterations_special): Removed.
5269 (number_of_iterations_exit): Do not use number_of_iterations_special.
5270 * tree.c (unsigned_type_for): Always return integer type.
5272 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5273 Richard Guenther <rguenther@suse.de>
5275 PR rtl-optimization/24257
5276 * gcse.c (find_moveable_store): Only consider a store movable
5277 when the SET_SRC of the insn can be assigned to a register.
5279 2006-01-14 Ian Lance Taylor <ian@airs.com>
5281 * tree.c (tree_not_class_check_failed): New function.
5282 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5283 (tree_not_class_check_failed): Declare.
5285 2006-01-13 Ian Lance Taylor <ian@airs.com>
5287 * reload1.c (do_output_reload): Add assertion rejecting a
5290 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5292 * combine.c (struct reg_stat): Add new fields truncation_label and
5294 (record_value_for_reg): Reset truncated_to_mode.
5295 (record_truncated_value): New function.
5296 (check_promoted_subreg): Call it. Rename to check_conversions.
5297 (combine_instructions): Rename check_promoted_subreg to
5299 (reg_truncated_to_mode): New function.
5300 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5301 (gen_lowpart_or_truncate): New function.
5302 (force_to_mode): Use it instead of gen_lowpart.
5304 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5306 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5307 VAR is a tag, not its type tag.
5309 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5311 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5312 alternatives to match style of other entries.
5313 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5315 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5317 PR tree-optimization/25771
5318 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5321 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5324 * tree-inline.c (declare_return_variable): If the return variable
5325 was marked as a non gimple complex, set the return slot variable
5326 to be a non gimple comple variable.
5328 2006-01-13 Richard Guenther <rguenther@suse.de>
5330 * builtins.c (expand_builtin_sincos): New function.
5331 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5333 (expand_builtin): Expand sincos using expand_builtin_sincos.
5335 2006-01-12 DJ Delorie <dj@redhat.com>
5337 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5338 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5339 so that constant shifts can be split.
5340 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5341 (m32c_valid_pointer_mode): Make static.
5342 (shift_gen_func_for): New.
5343 (m32c_prepare_shift): Use it. Split large const shifts into
5345 * config/m32c/predicates.md (shiftcount_operand): Allow more
5347 (longshiftcount_operand): New.
5348 * doc/md.texi (Machine Constraints): Document In6.
5350 2006-01-13 Ben Elliston <bje@au.ibm.com>
5352 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5353 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5356 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5358 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5359 to try to avoid clobbering pieces of structures when we know
5360 something about the whole structure.
5361 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5363 2006-01-13 Ben Elliston <bje@au.ibm.com>
5365 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5366 return in memory, as this is no limitation is no longer present.
5368 2006-01-12 DJ Delorie <dj@redhat.com>
5370 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5371 mova with fb, and for fb+0 -> An.
5373 * config/m32c/mov.md (peephole2): Fix enabling logic.
5375 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5376 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5377 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5378 FINI_ARRAY_SECTION_ASM_OP): Define.
5380 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5382 (m32c_legitimize_reload_address): New logic to reload FB to An.
5383 (m32c_output_reg_push): Add newline.
5384 (m32c_output_reg_pop): Likewise.
5386 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5388 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5390 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5392 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5394 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5396 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5399 2006-01-11 Ben Elliston <bje@au.ibm.com>
5401 * rtlanal.c (find_reg_note): Assert insn is not null.
5403 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5405 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5408 2006-01-11 Jeff Law <law@redhat.com>
5410 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5412 (mark_threaded_blocks, register_jump_thread): New functions.
5413 (thread_through_all_blocks): Remove unwanted argument. No
5414 longer rely on e->aux to communicate thread target info.
5415 Call mark_threaded_blocks. Release the threaded_blocks
5416 bitmap and threaded_edges vector when complete.
5417 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5418 (threaded_blocks): Remove.
5419 (tree_ssa_dominator_optimize): Remove initialization and
5420 finalization of threaded_blocks. Simplify call to
5421 thread_through_all_blocks.
5422 (thread_across_edge): Call register_jump_thread rather than
5423 storing thread information into e->aux.
5424 (free_all_edge_infos): Simplify now that e->aux is no longer
5425 used to communicate with thread_through_all_blocks.
5426 * tree-flow.h (thread_through_all_blocks): Update prototype.
5427 (register_jump_thread): Prototype.
5429 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5431 * df-core.c (df_compact_blocks, df_bb_replace): Use
5432 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5434 2006-01-11 Richard Guenther <rguenther@suse.de>
5436 PR tree-optimization/25734
5437 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5438 stop propagation after successful propagation to the LHS.
5440 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5442 * basic-block.h (control_flow_graph): Change the type of
5443 x_basic_block_info to VEC(basic_block,gc) *.
5444 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5446 (SET_BASIC_BLOCK): New.
5447 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5448 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5449 * cfgbuild.c (find_basic_blocks): Likewise.
5450 * cfglayout.c (fixup_reorder_chain): Likewise.
5451 * cfgrtl.c (create_basic_block_structure,
5452 rtl_create_basic_block): Likewise.
5453 * ifcvt.c (find_if_case_1): Likewise.
5454 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5457 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5459 * Makefile.in: Removed rotted odf.c entry.
5461 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5464 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5465 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5466 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5467 output pattern modifier, not %e.
5468 * config/cris/cris.c (cris_op_str): Update comment about pattern
5470 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5471 before falling through into...
5472 <case 'E'>: Redefined from old 'e' case.
5474 2006-01-11 Jan Hubicka <jh@suse.cz>
5477 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5479 2006-01-11 Jan Hubicka <jh@suse.cz>
5481 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5482 * i386.c (x86_decompose_lea): Kill.
5483 (ix86_rtx_costs): Kill.
5485 2006-01-11 Jan Hubicka <jh@suse.cz>
5487 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5488 * cgraph.h (cgraph_node): Add inline_decl.
5489 (cgraph_insert_node_to_hashtable): Declare.
5490 (save_inline_function_body): Declare.
5491 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5493 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5494 (cgraph_function_versioning): Update call of tree_function_versioning.
5495 (save_inline_function_body): New function.
5496 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5497 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5498 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5499 (cgraph_default_inline_p): Likewise.
5500 (cgraph_decide_inlining_incrementally): Likewise.
5501 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5502 (copy_bb): Kill saving; do updating of clones.
5503 (copy_cfg_body): Kill saving.
5504 (initialize_inlined-parameters): Likewise.
5505 (expand_call_inline): Likewise.
5507 (tree_function_versioning): New parameter "update_clones".
5508 (inlining_p): Kill saving.
5509 * tree-inline.h (tree_function_versioning): Update prototype.
5510 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5513 2006-01-11 Ian Lance Taylor <ian@airs.com>
5515 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5516 Allow undoing set of machine mode.
5517 (do_SUBST): Use enums instead of is_int.
5518 (do_SUBST_MODE): New function.
5519 (SUBST_MODE): New macro.
5520 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5521 reg and trying to replace reg_regno_rtx with a new register.
5522 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5523 (simplify_set): Use SUBST_MODE.
5524 (distribute_notes): Remove code that tried to update reg notes
5525 for regno_reg_rtx changes.
5527 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5529 PR tree-optimization/23109
5530 PR tree-optimization/23948
5531 PR tree-optimization/24123
5533 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5534 * tree-cfg.c (single_noncomplex_succ): New.
5535 * tree-flow.h (single_noncomplex_succ): Declare it.
5536 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5537 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5538 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5539 insert_bb, register_division_in, insert_reciprocals,
5540 replace_reciprocal, free_bb): New.
5541 (execute_cse_reciprocals_1): Rewritten.
5542 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5543 Do not commit any edge insertion. Always compute dominators and
5544 create the allocation pool.
5545 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5546 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5547 * targhooks.c (default_min_divistions_for_recip_mul): New.
5548 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5549 * passes.c (init_optimization_passes): Run recip after tree loop
5551 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5553 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5554 Kenneth Zadeck <zadeck@naturalbridge.com>
5556 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5557 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5558 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5559 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5560 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5561 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5562 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5563 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5564 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5565 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5566 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5567 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5568 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5569 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5570 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5571 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5572 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5573 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5574 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5575 DF_SCAN_POST_ALLOC): New macros.
5576 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5577 df_free_bb_function, df_local_compute_function, df_init_function,
5578 df_dataflow_function, df_confluence_function_0,
5579 df_confluence_function_n, df_transfer_function,
5580 df_finalizer_function, df_free_function, df_dump_problem_function,
5581 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5582 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5583 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5584 df_urec_bb_info, ) New types.
5585 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5587 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5588 df_analyze_simple_change_some_blocks,
5589 df_analyze_simple_change_one_block, df_compact_blocks,
5590 df_bb_replace, df_bb_regno_last_use_find,
5591 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5592 df_insn_regno_def_p, df_find_def, df_find_use,
5593 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5594 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5595 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5596 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5597 debug_df_chain, df_get_dependent_problem, df_chain_create,
5598 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5599 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5600 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5601 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5602 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5603 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5604 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5605 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5606 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5607 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5608 df_reorganize_refs, df_set_state, df_hard_reg_init,
5609 df_read_modify_subreg_p) New public functions.
5610 * df-core.c: The core dataflow solver and glue routines for rtl
5612 (df_init, df_add_problem, df_set_blocks, df_finish,
5613 df_hybrid_search_forward, df_hybrid_search_backward,
5614 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5615 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5616 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5617 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5618 df_reg_defined, df_find_use, df_reg_used, df_dump,
5619 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5620 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5621 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5622 debug_df_useno, reset_df_after_reload): New functions.
5623 * df-scan.c: The scanning fuctions, once in df.c, completely
5624 rewritten so that they now fully model the functionality of
5625 register usage at the backend.
5626 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5627 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5628 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5629 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5630 df_get_artificial_defs, df_get_artificial_uses,
5631 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5632 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5633 df_refs_delete, df_reorganize_refs, df_set_state,
5634 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5635 df_def_record_1, df_defs_record, df_uses_record,
5636 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5637 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5638 df_record_exit_block_uses, df_hard_reg_init): New functions.
5640 * df-problems.c: Seven concrete dataflow problems that use the
5641 scanning in df-scan.c and are solved by the engine in df-core.c.
5642 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5643 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5644 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5645 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5646 df_ru_free_bb_info, df_ru_alloc,
5647 df_ru_bb_local_compute_process_def,
5648 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5649 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5650 df_ru_transfer_function, df_ru_free, df_ru_dump,
5651 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5652 df_rd_free_bb_info, df_rd_alloc,
5653 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5654 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5655 df_rd_transfer_function, df_rd_free, df_rd_dump,
5656 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5657 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5658 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5659 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5660 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5661 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5662 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5663 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5664 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5665 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5666 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5667 df_urec_mark_reg_use_for_earlyclobber,
5668 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5669 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5670 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5671 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5672 df_chain_create_bb_process_use, df_chain_create_bb,
5673 df_chain_finalize, df_chain_free, df_chains_dump,
5674 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5675 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5676 df_reg_lifetime): New functions.
5677 * df.c: Deleted file.
5678 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5679 consistent with new df api.
5680 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5681 rest_of_handle_sms): Ditto.
5682 * web.c (unionfind_union, union_defs, entry_register, web_main):
5684 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5685 invariant_expr_equal_p, find_defs, check_dependencies,
5686 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5687 free_inv_motion_data, move_loop_invariants): Ditto.
5688 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5689 Update dependencies.
5690 (odf.c): Added defective entry that was deleted later in day.
5691 * sched-deps.c (sched_analyze_1): Ditto.
5693 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5695 * tree-ssa-operands.c (get_expr_operands): Record addressable
5696 variables directly. Do not call add_stmt_operands for CONST_DECLs
5698 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5699 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5701 2006-01-11 Ben Elliston <bje@au.ibm.com>
5703 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5704 function returns true in the positive case.
5706 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5709 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5710 for SI, DI, SF and DF modes. Add alternatives to copy between
5711 general and floating point registers to the 32-bit patterns.
5712 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5713 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5714 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5715 generating 64-bit code.
5716 * config/pa/pa.c (output_move_double): Handle copies between general
5717 and floating registers.
5719 2006-01-10 Stuart Hastings <stuart@apple.com>
5721 * config/i386/i386.md (set_got): Update.
5722 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5723 (builtin_setjmp_receiver): Mach-O support.
5724 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5725 (GOT_SYMBOL_NAME): Define.
5726 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5727 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5728 * config/i386/i386.c (override_options): Revise for Darwin.
5729 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5730 support. (darwin_x86_file_end): New. (output_set_got): Add label
5731 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5732 * config/i386/i386-protos.h (output_set_got): Likewise.
5733 * config/darwin.c (machopic_legitimize_pic_address): Update
5736 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5738 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5739 when MODE isn't BLKmode.
5741 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5743 PR rtl-optimization/25367
5744 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5746 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5749 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5750 for a negative bound.
5752 2006-01-10 Richard Guenther <rguenther@suse.de>
5754 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5755 Never override with anything constraint.
5757 2006-01-10 Jan Beulich <jbeulich@novell.com>
5759 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5760 256 bits when optimize_size.
5762 2006-01-10 Jan Beulich <jbeulich@novell.com>
5764 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5766 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5767 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5770 2006-01-10 Ben Elliston <bje@au.ibm.com>
5772 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5774 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5775 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5776 (USE_FP_FOR_ARG): Reject decimal float modes.
5777 (function_arg_advance): Likewise.
5778 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5779 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5780 point types in AltiVec vectors.
5781 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5782 (rs6000_libcall_value): Likewise.
5784 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5786 * config/xtensa/ieee754-df.S: New file.
5787 * config/xtensa/ieee754-sf.S: New file.
5788 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5789 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5790 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5792 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5794 * config/sh/predicates.md (binary_float_operator,
5795 binary_logical_operator, commutative_float_operator,
5796 equality_comparison_operator, greater_comparison_operator,
5797 less_comparison_operator, logical_operator,
5798 noncommutative_float_operator, shift_operator,
5799 symbol_ref_operand, unary_float_operator): Remove redundant
5802 2006-01-09 Jeff Law <law@redhat.com>
5804 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5805 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5806 now unused arguments. Callers updated.
5807 (eliminate_redundant_computations): Remove now unused arguments,
5809 (local_fold): Remove, no longer used.
5810 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5812 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5813 (simplify_cond): New function.
5814 (forward_propagate_into_cond): Call simplify_cond.
5816 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5818 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5819 (*vec_extractv2di_1_sse): New.
5821 2006-01-09 Ben Elliston <bje@au.ibm.com>
5823 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5825 2006-01-08 Richard Guenther <rguenther@suse.de>
5827 * tree-ssa-structalias.c (get_constraint_for): Remove
5829 (get_constraint_for_component_ref): Likewise.
5830 (do_deref): Likewise.
5831 (get_constraint_for): Likewise.
5832 (do_structure_copy): Likewise.
5833 (handle_ptr_arith): Likewise.
5834 (find_func_aliases): Likewise. Remove unused need_anyoffset
5837 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5838 Kaz Kojima <kkojima@gcc.gnu.org>
5840 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5841 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5842 (EXTRA_CONSTRAINT_C16): Remove.
5843 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5844 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5845 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5846 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5847 constants of SHmedia. Handle nested constant expressions of
5849 (andcosts): Fix the costs for SHmedia constants.
5850 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5851 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5852 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5853 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5854 (movv4hi_i, movv2si_i): Likewise.
5855 (movsi_const): Adjust the second operand of ior so to match with
5857 (movdi_const, movdi_const_32bit): Likewise.
5858 (movdi_const_16bit+1): Don't sign-extend LOW.
5859 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5861 (*double_shori): Fix the split condition. Use GEN_INT instead
5862 of get_int_mode calls. Mask lower 16-bit of the argument of
5864 (sym2GOTPLT): Remove.
5865 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5867 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5868 instead of EXTRA_CONSTRAINT_C16.
5870 2006-01-07 Ian Lance Taylor <ian@airs.com>
5871 David Edelsohn <edelsohn@gnu.org>
5873 PR rtl-optimization/25662
5874 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5875 for constant operands instead of simplify_gen_binary.
5876 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5877 after trying simplify_binary_operation
5879 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5881 * tree.c (iterative_hash_expr): Hash decls based on UID.
5883 2006-01-06 Eric Christopher <echristo@apple.com>
5885 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5886 (TARGET_UNWIND_EMIT): Fix spelling.
5887 * target.h (gcc_target): Add except_table_label.
5888 * except.c (output_function_exception_table): Use.
5889 * varasm.c (default_emit_except_table_label): New.
5890 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5892 (asm_out): Add here.
5893 * output.h (default_emit_except_table_label): Prototype.
5894 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5895 * config/darwin.c (darwin_emit_except_table_label): Define.
5896 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5898 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5900 PR tree-optimization/18527
5901 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5902 number_of_iterations_special, number_of_iterations_exit):
5903 Move base and step of an iv to a single structure. Add
5904 no_overflow flag, and use it in # of iterations analysis.
5905 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5906 folded_casts argument.
5907 (simple_iv): Pass base and step in a structure. Set no_overflow
5909 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5910 Evaluate expensiveness of computing # of iterations instead of
5911 the final expression.
5912 * tree-scalar-evolution.h (affine_iv): New structure.
5913 (simple_iv): Declaration changed.
5914 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5915 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5916 find_givs_in_stmt): Changed due to simple_iv change.
5918 2006-01-06 Jeff Law <law@redhat.com>
5921 * tree-cfg.c (bsi_replace): Rename final argument from
5922 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5923 change (stmt -> orig_stmt).
5924 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5925 (bsi_remove): Add new argument. Remove EH information
5927 (verify_eh_throw_table_statements): New function.
5928 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5930 * tree-optimize.c (execute_free_cfg_annotations): Verify
5931 the EH throw statement table after removing annotations.
5932 * except.h (verify_eh_throw_table_statements): Prototype.
5933 * tree-flow.h (bsi_remove): Update prototype.
5934 * tree-vrp.c (remove_range_assertions): Add new argument to
5936 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5937 * tree-complex.c (expand_complex_div_wide): Likewise.
5938 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5939 * tree-tailcall.c (eliminate_tailcall): Likewise.
5940 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5941 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5942 * tree-nrv.c (tree_nrv): Likewise.
5943 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5944 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5945 (combine_blocks): Likewise.
5946 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5947 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5948 (cleanup_control_flow): Likewise.
5949 (remove_forwarder_block): Likewise.
5950 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5951 * tree-sra.c (sra_replace): Likewise.
5952 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5953 (forward_propagate_single_use_vars): Likewise.
5954 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5955 * tree-inline.c (expand_call_inline): Likewise.
5956 * tree-vect-transform.c (vect_transform_loop): Likewise.
5957 * tree-outof-ssa.c (rewrite_trees): Likewise.
5958 * tree-cfg.c (make_goto_expr_edges): Likewise.
5959 (cleanup_dead_labels): Likewise.
5960 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5961 (bsi_move_before, bsi_move_after): Likewise.
5962 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5963 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5965 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5968 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5970 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5971 on non gimple variables. Also add checks at the top for decls and
5973 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5975 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5976 and IMAGPART_EXPR for creating MUST_DEFs.
5977 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5978 and NAME_MEMORY_TAG separately from the DECLs.
5980 2006-01-06 Richard Guenther <rguenther@suse.de>
5982 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5983 annotation, if necessary.
5984 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5985 redundant calls to update_stmt.
5986 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5989 2006-01-05 Richard Henderson <rth@redhat.com>
5991 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5993 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5995 * c-typeck.c: Update copyright date.
5997 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5999 * c-typeck.c (build_c_cast): Always warn when casting
6000 from a pointer to an integer of different size, even if
6001 the node was constant.
6003 2006-01-05 Richard Guenther <rguenther@suse.de>
6005 PR tree-optimization/22555
6006 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6007 if one structure field is an array.
6008 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6009 operands even if we found a subvar, but ignore VOPs in this
6011 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6013 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6015 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6018 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6020 2006-01-05 Richard Guenther <rguenther@suse.de>
6021 Diego Novillo <dnovillo@redhat.com>
6023 * tree-pass.h (TODO_remove_unused_locals): Define.
6024 * gimple-low.c (expand_var_p, remove_useless_vars,
6025 pass_remove_useless_vars): Remove. Update all users.
6026 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6027 (remove_unused_locals): New function.
6028 * tree-flow.h (remove_unused_locals): Declare.
6029 * passes.c (execute_todo): Call remove_unused_locals if
6030 TODO_remove_unused_locals is set.
6031 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6032 * tree-ssa-dce.c (pass_dce): Likewise.
6033 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6035 2006-01-05 Richard Guenther <rguenther@suse.de>
6037 * tree-flow.h (struct fieldoff): Decompose field to
6038 type, size and decl.
6039 * tree-ssa-alias.c (create_sft): Take type as parameter.
6040 (create_overlap_variables_for): Store type, size and decl
6041 in the fieldoff structure.
6042 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6044 (push_fields_onto_fieldstack): Likewise.
6045 (create_variable_info_for): Likewise. Use offset for the
6046 SFT name if the decl is not available.
6048 2006-01-04 Paul Brook <paul@codesourcery.com>
6050 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6052 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6054 * lambda-code.c (can_put_in_inner_loop): Relax
6056 (can_put_after_inner_loop): New function.
6057 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6058 (perfect_nestify): Change to make copies and modify uses.
6060 2006-01-04 Richard Henderson <rth@redhat.com>
6062 Merge from gomp branch:
6063 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6064 via integer constant.
6065 (pragma_lex): Remove.
6066 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6067 rather than parsing it.
6068 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6069 handle_pragma_extern_prefix): Add %< %> quotes.
6070 (registered_pragmas): New.
6071 (c_register_pragma_1): New.
6072 (c_register_pragma): Use it.
6073 (c_register_pragma_with_expansion): Likewise.
6074 (c_invoke_pragma_handler): New.
6075 (init_pragma): Use cpp_register_deferred_pragma directly for
6077 * c-pragma.h (enum pragma_kind): New.
6078 (pragma_handler): New.
6079 (c_invoke_pragma_handler): Declare.
6080 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6082 * c-common.h (c_common_pch_pragma): Update decl.
6083 * Makefile.in (c-parser.o): Update dependencies.
6084 (GTFILES): Add c-pragma.h.
6085 * c-parser.c (struct c_token): Add pragma_kind.
6086 (struct c_parser): Add in_pragma.
6087 (c_lex_one_token): Always initialize keyword and pragma_kind.
6088 Extract data for CPP_PRAGMA.
6089 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6090 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6091 Don't allow CPP_PRAGMA_EOL if in_pragma.
6092 (c_parser_consume_pragma): New.
6093 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6094 (c_parser_skip_to_end_of_parameter): Likewise.
6095 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6096 (c_parser_skip_to_pragma_eol): New.
6097 (c_parser_external_declaration): Handle CPP_PRAGMA.
6098 (c_parser_compound_statement_nostart): Likewise.
6099 (c_parser_statement_after_labels): Likewise.
6100 (c_parser_pragma): New.
6101 (pragma_lex): Likewise.
6102 (c_parser_pragma_pch_preprocess): New.
6103 (c_parser_new): Merge into ...
6104 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6106 2006-01-04 Jeff Law <law@redhat.com>
6109 * tree-cfg.c (bsi_replace): Remove the original statement
6110 from the EH throw statement table.
6112 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6114 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6115 make the prototype extern "C" and add throw ().
6118 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6119 and pos non-negative and pos + len <= 32.
6120 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6121 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6122 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6125 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6126 as well as sizes not multiple of component size.
6129 * function.c (instantiate_expr): New function.
6130 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6131 walk its DECL_VALUE_EXPR with instantiate_expr.
6133 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6134 DW_OP_deref{,_size} if address isn't going to be added.
6136 2006-01-04 Ben Elliston <bje@au.ibm.com>
6138 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6139 * config/fp-bit.c: Likewise.
6141 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6143 * dominance.c: Add comment about why we use DFS numbering
6146 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6147 Richard Henderson <rth@redhat.com>
6149 Merge from gomp-branch:
6150 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6151 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6153 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6155 PR rtl-optimization/25578
6156 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6157 pass a parameter to simplify_shift_const if changing ASHIFTRT
6160 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6162 * builtins.c (get_builtin_sync_mem): New function.
6163 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6164 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6165 Call get_builtin_sync_mem to generate mem rtx.
6167 2006-01-03 Richard Guenther <rguenther@suse.de>
6170 * stmt.c (add_case_node): Make sure to clear overflow flags
6173 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6175 Merge from gomp-branch.
6176 * config/sparc/sync.md: New file.
6177 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6178 UNSPECV_LDSTUB): New constants.
6179 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6180 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6181 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6184 2006-01-03 Roger Sayle <roger@eyesopen.com>
6186 * combine.c (reg_subword_p): New predicate to test whether the
6187 destination of a set refers to a subword/piece of a register.
6188 (try_combine): Generalize the code to merge the setting of a
6189 pseudo to a constant followed by a set of a subword of that
6190 register to a constant.
6192 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6194 * basic-block.h (control_flow_graph): Change the type of
6195 x_label_to_block_map to VEC(basic_block,gc) *.
6196 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6197 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6199 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6200 VEC(basic_block,heap) *.
6201 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6202 ssa_prop_fini): Adjust the uses of cfg_blocks.
6204 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6206 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6208 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6209 hashing trees instead of a pointer hash.
6210 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6211 compare for MEM_EXPR.
6213 PR rtl-optimization/25130
6214 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6215 when comparing MEMs for GCSE
6217 2006-01-03 Ben Elliston <bje@au.ibm.com>
6219 * targhooks.h (default_decimal_float_supported_p): Declare.
6220 * targhooks.c (default_decimal_float_supported_p): Define.
6221 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6222 `default_decimal_float_supported_p'.
6223 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6225 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6227 * combine.c (apply_distributive_law <SUBREG>): Check
6228 TRULY_NOOP_TRUNCATION.
6230 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6232 * dwarf2out.c (have_switched_text_section): Delete.
6233 (have_multiple_function_sections): New.
6234 (have_location_lists): Make 'bool'.
6235 (add_AT_loc_list): Use 'true' not '1'.
6236 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6237 (output_loc_list): Use have_multiple_function_sections.
6238 (output_ranges): Likewise.
6239 (dwarf2out_begin_function): Set have_multiple_function_sections if
6241 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6242 Check function_section rather than DECL_SECTION_NAME.
6243 (dwarf2out_finish): Use have_multiple_function_sections.
6244 Don't clear have_location_lists.
6246 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6247 Jan Hubicka <jh@suse.cz>
6249 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6250 case of conditional jump jumping to the next instruction.
6251 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6252 cases of conditional jump jumping to the next instruction.
6254 2006-01-02 Jan Hubicka <jh@suse.cz>
6256 * i386.c (*_cost): Add COSTS_N_INSNS.
6257 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6259 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6262 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6264 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6266 * config/arm/arm.c (all_fpus): Fix comment typo.
6267 * config/darwin.c: Likewise.
6268 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6269 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6270 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6272 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6274 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6275 (rs6000_split_compare_and_swapqhi): New.
6276 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6277 (sync_compare_and_swapqhi_internal): New.
6278 * config/rs6000/rs6000-protos.h: Declare.
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