1 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3 * doc/cpp.texi (__TIMESTAMP__): Document.
5 2006-02-17 Roger Sayle <roger@eyesopen.com>
8 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9 C is one less than the width of X (and related transformations).
10 * simplify_rtx.c (simplify_unary_operation_1): Transform
11 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12 depending on STORE_FLAG_VALUE, were C is one less then the
15 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17 Fix PR tree-optimization/26341
18 * tree-ssa-operands.c (add_virtual_operand): Remove assert
19 about NAME_MEMORY_TAG's.
21 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
24 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
25 with hardware float support, and software float support. Add fcpy
26 alternative to hardware patterns. Add alternatives to copy between
27 general and floating-point registers to the 32-bit pattern.
28 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
29 secondary reload to load a QI or HI mode constant into a floating
31 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
32 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
34 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
37 * config/rs6000/darwin.md (load_macho_picbase_si): Add
39 (load_macho_picbase_di): Likewise.
41 2006-02-16 Jeff Law <law@redhat.com>
43 * tree-vrp.c (set_value_range_to_nonnegative): New function.
44 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
45 (ssa_name_nonzero_p): Likewise.
46 (get_value_range): Return NULL if VRP is not running.
47 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
48 VRP routines do not discover a range.
49 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
50 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
51 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
52 (tree_expr_nonnegative_p): Similarly.
53 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
54 (restore_nonzero_vars_to_original_value): Remove.
55 (unsafe_associative_fp_binop): Remove.
56 (tree_ssa_dominator_optimize): Remove initialization and
57 finalization of nonzero_vars and nonzero_vars_stack.
58 (dom_opt_initialize_block): No longer push marker on
60 (dom_opt_finalize_block): No longer call
61 restore_nonzero_vars_to_original_value.
62 (record_equivalences_from_phis): No longer look for
63 nonzero PHI arguments.
64 (cprop_into_successor_phis): No longer propagate nonzero
65 property into PHI arguments. Lose unused argument. Caller
67 (record_equivalences_from_stmt): No longer record nonzero
69 (lookup_avail_expr): No longer use nonzero_vars.
71 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
72 for sizetype when sizetype is unsigned.
74 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
76 PR rtl-optimization/25603
77 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
78 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
79 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
80 with new meaning of SETS.
82 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
87 * config/linux.opt: New file.
88 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
89 LINUX_DYNAMIC_LINKER): Define.
90 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
91 * config.gcc (*-*-linux*): Define extra_options.
92 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
93 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
94 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
96 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
97 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
98 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
99 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
100 * doc/invoke.texi (GNU/Linux Options): New section.
102 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
104 * config/sparc/sparc.md (setjmp): Rewrite.
106 (setjmp_64): Likewise.
108 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
110 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
113 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
115 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
118 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
120 PR rtl-optimization/26296
121 * Makefile.in (loop-invariant.c): Add except.h dependency.
122 * loop-invariant.c: Include except.h.
123 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
125 2005-02-16 Paul Brook <paul@codesourcery.com>
127 * reload1.c (emit_reload_insns): Invalidate dead input registers used
130 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
132 PR rtl-optimization/25636
133 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
134 when deciding whether an insn is an initializing insn.
136 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
138 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
139 (tree_code_size): Ditto.
140 * tree.h (struct tree_memory_tag): Remove parent_var.
141 (struct tree_struct_field_tag): New.
144 (union tree_node): Add sft member.
145 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
147 (create_sft): Add size and offset argument, set SFT_OFFSET and
149 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
150 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
151 * tree-flow-inline.h (get_subvar_at): Update for
153 (var_can_have_subvars): Ditto.
154 (overlap_subvar): Ditto.
155 * print-tree.c (print_node): Print out interesting things for
157 * tree-flow.h (struct subvar): Remove offset and size members.
158 * tree-ssa-operands.c (get_expr_operands): Update for
159 get_indirect_ref_operands changes.
160 (get_indirect_ref_operands): Call add_virtual_operand instead of
161 add_stmt_operand. Only recurse on base var if requested.
162 (access_can_touch_variable): New function.
163 (add_stmt_operand): Split virtual operand handling into ...
164 (add_virtual_operand): Here. Add offset, size, and for_clobber
165 arguments. Prune alias sets.
166 (add_call_clobber_ops): Call add_virtual_operand.
168 2006-02-15 Jakub Jelinek <jakub@redhat.com>
171 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
173 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
174 than TREE_CODE as index into omp_clause_num_ops array.
176 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
178 PR rtl-optimization/26184
179 * modulo-sched.c (generate_reg_moves): Free bitmap vector
181 * modulo-sched.c (sms_schedule): Free g_arr pointer.
182 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
183 must_precede, must_follow and tobe_scheduled.
186 * opts.c (common_handle_option): Free new_option pointer.
187 * df-core.c (df_analyze): Free postorder pointer.
189 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
191 * Makefile.in: Fix the examples about the use of stamps
193 2006-02-15 Michael Matz <matz@suse.de>
197 * stor-layout.c (layout_decl): Zero-width bitfields aren't
198 influenced by maximum_field_alignment or DECL_PACKED.
199 (update_alignment_for_field): Ditto.
200 (place_field): Ditto.
201 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
204 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
206 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
207 (debug_flow_info): Pass it.
208 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
209 * bb-reorder.c (reorder_basic_blocks): Likewise.
210 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
211 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
212 * flow.c (life_analysis, recompute_reg_usage): Likewise.
213 * gcse.c (gcse_main, bypass_jumps): Likewise.
214 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
215 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
216 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
217 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
218 * rtl.h (dump_flow_info): Adjust prototype.
219 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
220 * var-tracking.c (variable_tracking_main): Likewise.
221 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
222 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
225 2006-02-15 Marcin Dalecki <martin@dalecki.de>
227 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
230 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
232 PR tree-optimization/26209
233 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
234 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
236 * tree-cfg.c (replace_uses_by): Do not alter cfg.
238 2006-02-14 Roger Sayle <roger@eyesopen.com>
241 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
242 (X,Y) and the corresponding symmetry related transformations.
243 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
244 (X,Y) and its symmetry related transformations.
246 2006-02-14 Roger Sayle <roger@eyesopen.com>
248 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
251 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
253 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
255 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
258 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
259 support COMDAT group.
260 * configure: Regenerate.
262 2006-02-14 Roger Sayle <roger@eyesopen.com>
267 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
269 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
271 Fix PR tree-optimization/26260
273 * doc/invoke.texi (max-fields-for-field-sensitive): Document
275 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
276 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
277 * tree-ssa-structalias.c (create_variable_info_for): Use
278 MAX_FIELDS_FOR_FIELD_SENSITIVE.
280 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
282 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
284 * tree-ssa-loop-niter.c (number_of_iterations_ne,
285 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
286 of the ending condition.
287 * tree-ssa-loop-manip.c: Include params.h.
288 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
289 tree_unroll_loop): New functions.
290 * tree-pass.h (pass_loop_prefetch): Declare.
291 * loop.c (rest_of_handle_loop_optimize): Test for
292 -fprefetch-loop-arrays-rtl.
293 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
294 * timevar.def (TV_TREE_PREFETCH): New timevar.
295 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
296 pass_loop_prefetch): New.
297 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
298 (cleanup_tree_cfg_loop): Call scev_reset.
299 * common.opt (fprefetch-loop-arrays-rtl): Add.
300 * tree-ssa-loop-prefetch.c: New file.
301 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
302 (new_temp_expr_table): Initialize expr_vars.
303 (free_temp_expr_table): Cleanup expr_vars.
304 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
305 expressions from being merged into one.
306 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
307 (struct tree_niter_desc): Add control, bound and cmp fields.
308 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
310 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
311 (tree-cfgcleanup.o): Add SCEV_H dependency.
312 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
313 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
315 2006-02-14 Richard Guenther <rguenther@suse.de>
317 PR tree-optimization/26258
318 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
319 in PHI argument processing.
321 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
323 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
324 new expression in the requested machine mode.
326 2006-02-13 Roger Sayle <roger@eyesopen.com>
328 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
329 directly, instead let do_compare_rtx_and_jump handle this for us.
330 * expr.c (expand_expr_real_1): Likewise.
331 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
332 before do_jump_by_parts_greater.
333 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
334 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
336 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
338 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
340 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
342 PR rtl-optimization/26235
343 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
344 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
347 2006-02-13 Jeff Law <law@redhat.com>
349 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
352 2006-02-13 Jakub Jelinek <jakub@redhat.com>
355 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
356 twice if decl is a builtin. When trying again, call get_callee_fndecl
357 first to verify it is still a builtin.
359 2006-02-13 Geoffrey Keating <geoffk@apple.com>
361 * dwarf2out.c (base_type_die): Don't add AT_name here.
362 (subrange_type_die): Don't add AT_name here.
363 (modified_type_die): Rearrange code flow. Do add AT_name here.
365 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
367 PR rtl-optimization/26247
368 PR rtl-optimization/26248
369 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
371 2006-02-13 Richard Sandiford <richard@codesourcery.com>
373 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
374 * config/fixtfdi.c: Likewise.
375 * config/fixunstfdi.c: Likewise.
376 * config/floatditf.c: Likewise.
378 2006-02-13 Roger Sayle <roger@eyesopen.com>
381 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
382 into (X,C2) if C1 is a subset of the bits of C2. Transform
383 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
385 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
387 2006-02-13 Josh Conner <jconner@apple.com>
390 * varasm.c (function_section): Check for section name before
391 calling select_section on targets that define
392 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
393 unlikely_text_section instead of hot_function_section if
394 first_function_block_is_cold.
396 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
399 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
401 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
403 PR rtl-optimization/26222
404 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
405 after tree->rtl expansion.
406 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
407 before passing it to emit_move_insn.
409 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
411 * doc/invoke.texi (-Write-strings): Document that it is enabled by
413 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
414 Clarify documentation.
415 * c-common.h (warn_write_strings): Remove.
416 * c-common.c (warn_write_strings): Likewise.
417 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
420 2006-02-12 Roger Sayle <roger@eyesopen.com>
423 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
424 (do_jump_parts_zero_rtx): New function renamed from
425 do_jump_parts_equality_rtx. Made static. Add a mode argument.
426 (do_jump_parts_equality_rtx): New function split out from
427 do_jump_parts_equality. Old implementation renamed as above.
428 Call do_jump_parts_zero_rtx if either operand is zero.
429 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
430 do all of the heavy lifting.
431 (do_compare_rtx_and_jump): Handle multi-word comparisons by
432 calling either do_jump_by_parts_greater_rtx or
433 do_jump_by_parts_equality_rtx.
434 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
435 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
436 moved to do_compare_rtx_and_jump, call it directly.
437 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
438 mode argument. Call do_compare_rtx_and_jump.
439 (emit_case_nodes): Update calls to do_jump_if_equal.
441 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
443 PR rtl-optimization/26225
444 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
446 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
448 PR rtl-optimization/26232
449 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
451 2006-02-11 Jason Merrill <jason@redhat.com>
454 * tree-inline.c (declare_return_variable): Just don't use the
455 modify target if it's a gimple complex reg and the return slot
458 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * doc/contrib.texi: Update my entry.
462 2006-02-10 Geoffrey Keating <geoffk@apple.com>
464 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
466 2006-02-10 Diego Novillo <dnovillo@redhat.com>
468 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
471 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
473 * doc/invoke.texi (-floop-optimize2): Removed.
474 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
475 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
476 Test flag_branch_on_count_reg only if HAVE_doloop_end.
477 * common.opt (floop-optimize2): Removed.
478 (fmove-loop-invariants): Enabled by default.
480 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
482 * tree-if-conv.c (combine_blocks): Free the result of
485 2006-02-10 Jeff Law <law@redhat.com>
487 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
489 PR tree-optimization/26213
490 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
491 loop trying to follow SSA_NAME_VALUE chains.
493 2006-02-10 Richard Guenther <rguenther@suse.de>
495 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
496 deal with structures that end in implicitly variable sized arrays.
498 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
500 PR rtl-optimization/24762
501 * df-scan.c (df_bb_refs_record): Record correct registers defined on
504 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
506 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
507 (struct ivopts_data): Add regs_used field.
508 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
509 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
510 instead of loop_data->regs_used;
511 (free_loop_data): Do not free aux fields for loops.
512 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
513 and tree_ssa_iv_optimize_finalize.
515 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
517 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
519 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
522 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
523 computing the effective result type.
525 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
528 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
529 (tree_overlaps_hard_reg_set): Declare.
530 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
531 type and signature to match function type expected by walk_tree.
532 (tree_overlaps_hard_reg_set): New function.
533 (decl_conflicts_with_clobbers_p): Rename to:
534 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
535 Use tree_overlaps_hard_reg_set. Changed caller.
536 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
537 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
538 * cris.c (cris_md_asm_clobbers): Likewise.
540 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
542 * reload1.c (emit_input_reload_insns): Delete code that tries to
543 inherit using find_equiv_reg.
545 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
547 * c-common.h (flag_const_strings): Don't declare.
548 * c-common.c (flag_const_strings): Remove.
549 * c.opt (fconst_strings): Remove.
550 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
551 <OPT_Wwrite_strings>: Don't set flag_const_strings.
552 (c_common_init_options): Don't set flag_const_strings.
553 * doc/invoke.texi (-fno-const-strings): Remove documentation.
555 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
557 * arm.md (tlobits_cbranch): New pattern.
558 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
559 testing a single bit.
561 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
564 * tree-ssa-pre.c (create_component_ref_by_pieces):
565 Handle RETURN_DECL like VAR_DECL.
567 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
570 * fold-const.c (fold_indirect_ref_1): Fold
571 "*(foo *)&complexfoo" to "__real__ complexfoo"
572 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
574 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
576 * tree-flow-inline.h (var_can_have_subvars):
577 Volatile variables should not have subvariables.
579 2006-02-09 Diego Novillo <dnovillo@redhat.com>
582 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
583 multiplying unsigned values.
586 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
588 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
590 2006-02-08 Jason Merrill <jason@redhat.com>
593 * tree.def: Elaborate on difference from MODIFY_EXPR.
594 * doc/c-tree.texi (INIT_EXPR): Likewise.
595 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
596 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
597 (gimplify_target_expr): Likewise.
598 (gimplify_cond_expr): Remove target handling.
599 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
600 (gimplify_expr): Clobber it here.
601 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
602 Do return slot optimization if we have an INIT_EXPR.
605 * tree-inline.c (declare_return_variable): Also clear
606 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
609 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
612 * gimplify.c (gimplify_one_sizepos): Fix typo.
614 2006-02-08 Jeff Law <law@redhat.com>
616 PR tree-optimization/21417
617 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
618 across a backedge if the control statement at the end of the
619 block is data dependent on other statements in the same block.
620 (record_temporary_equivalences_from_stmts): Remove over-conservative
621 test for threading across backedges.
623 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
624 control statement, handle all three special cases in the same
625 manner as they all have the same desired solution. No longer
626 special case edge flag updating when the post dominator is
629 2006-02-08 Roger Sayle <roger@eyesopen.com>
631 * tree.def (CHAR_TYPE): Remove.
632 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
633 * dwarf2out.c (base_type_die, is_base_type): Likewise.
634 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
635 (gen_string_type_die): Delete unreachable function.
637 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
638 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
639 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
640 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
641 * builtins.c (type_to_class): Likewise.
642 * fold-const.c (fold_convert, build_range_check,
643 merge_ranges): Likewise.
644 * expr.c (count_type_elements): Likewise.
645 * c-pretty-print.c (pp_c_type_specifier): Likewise.
646 * stor-layout.c (layout_type): Likewise.
647 * ipa-type-escape.c (type_to_consider): Likewise.
648 * gimplify.c (omp_firstprivatize_type_sizes,
649 gimplify_type_sizes): Likewise.
650 * explow.c (promote_mode): Likewise.
651 * tree-sra.c (is_sra_scalar_type): Likewise.
652 * varasm.c (output_constant): Likewise.
653 * tree-inline.c (remap_type_1): Likewise.
654 * convert.c (convert_to_pointer, convert_to_real,
655 convert_to_integer, convert_to_complex): Likewise.
657 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
659 * df-scan.c (df_def_record_1): A set destination may
660 be a parallel regardless of mode.
662 2006-02-08 Roger Sayle <roger@eyesopen.com>
665 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
666 * config/mips/_tilib.c: Remove.
667 * config/fixtfdi.c: New libgcc source file.
668 * config/fixunstfdi.c: New source file.
669 * config/floatditf.c: New source file.
670 * config/floatunditf.c: New souce file.
671 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
672 files above instead of config/mips/_tilib.c.
673 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
675 2006-02-08 Jeff Law <law@redhat.com>
677 PR tree-optimization/26169
678 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
681 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
683 * df.h (DF_REG_SIZE): Return the length of the initialized
686 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
688 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
689 __muldf3): Return a correctly signed zero.
691 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
693 * passes.c (register_one_dump_file): Accept the current properties
694 instead of pass number. Adjust call to dump_register. Remove
696 (register_dump_files): Now a wrapper around...
697 (register_dump_files_1): ... this one. Do not modify the pass
699 (next_pass_1): Cosmetic fix.
700 (execute_todo): Keep second parameter only. Use curr_properties
701 instead of fetching it from the pass structure. Check and set
703 (execute_one_pass): Handle TODO_set_props. Use curr_properties
704 instead of fetching it from the pass structure. Fix calls to
705 execute_todo. Update curr_properties and initialize .vcg RTL dump
706 after running the pass. Reset last_verified.
707 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
709 (FIRST_AUTO_NUMBERED_DUMP): New.
710 (dump_register): Remove "num" parameter, assign it within the
712 (get_dump_file_name): Modify template for dumps.
713 * tree-dump.h (dump_register): Adjust prototype.
714 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
715 (PROP_trees): Add PROP_gimple_lomp.
716 (TODO_set_props): New.
717 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
718 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
719 * cfgexpand.c (pass_expand): Destroy PROP_trees.
721 2006-02-08 Jakub Jelinek <jakub@redhat.com>
723 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
724 (sparc64-*-linux*): Likewise.
725 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
726 * config/sparc/t-linux: New file.
727 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
728 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
729 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
730 -m32 -mlong-double-128.
732 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
733 * config/alpha/t-linux: New file.
734 * config/alpha/libgcc-alpha-ldbl.ver: New file.
736 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
737 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
738 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
739 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
740 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
741 (CPP_ARCH32_SPEC): Remove.
743 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
745 PR tree-optimization/26145
746 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
749 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
752 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
753 >= 240000 when generating code for SOM runtime.
754 (output_indirect_call): Don't use "b,l" instruction for indirect calls
755 to $$dyncall when generating code for SOM runtime..
757 2006-02-07 Dirk Mueller <dmueller@suse.com>
760 * doc/invoke.texi (-Wsequence-point): Update documentation
761 that -Wsequence-point is implemented for C++ as well.
763 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
765 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
766 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
767 (LIB_SPEC): Likewise.
768 * doc/invoke.texi (SPARC options): Document -pthread.
770 2006-02-07 Geoffrey Keating <geoffk@apple.com>
772 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
775 2006-02-07 Roger Sayle <roger@eyesopen.com>
777 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
778 Correct comment describing BOOLEAN_TYPE.
780 2006-02-07 Dirk Mueller <dmueller@suse.com>
782 * c.opt: C++ frontend supports -Wdiv-by-zero.
783 * c-opts.c (c_common_handle_option): Remove dead case.
785 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
787 * configure.ac (TLS assembler check): Do not enable TLS by
788 default on SPARC/Solaris before version 10.
789 * configure: Regenerate.
791 2006-02-07 David Edelsohn <edelsohn@gnu.org>
793 * doc/invoke.texi (xl-compat): Document conversion and support
796 2006-02-07 Jeff Law <law@redhat.com>
798 * tree-vrp.c (find_conditional_asserts): Update comments.
799 (simplify_stmt_for_jump_threading): New.
800 (identify_jump_threads, finalize_jump_threads): New.
801 (vrp_finalize): Call identify_jump_threads.
802 (execute_vrp): Call finalize_jump_threads.
803 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
804 (vrp_element, vrp_data, vrp_element_p): Remove.
805 (vrp_hash_elt, vrp_variables_stack): Remove.
806 (vrp_hash, vrp_eq, record_range): Remove.
807 (simplify_cond_and_lookup_avail_expr): Remove.
808 (extract_range_from_cond): Remove.
809 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
810 (simplify_stmt_for_jump_threading): New.
811 (dom_thread_across_edge): New wrapper.
812 (tree_ssa_dominator_optimize): No longer initialize or
813 finalize any of the VRP datastructures. Remove iteration
814 step and simplify as a result of removal of iteration step.
815 (pass_dominator): Perform a cfg cleanup after DOM.
816 (dom_opt_finalize_block): Use the new common routines
817 for threading jumps. Simplify stack management slightly.
818 No longer need to unwind VRP state.
819 (record_equivalences_from_incoming_edge): No longer record
821 (eliminate_redundant_computations): No longer call
822 simplify_cond_and_lookup_avail_expr.
823 * tree-flow.h (potentially_threadable_block): Prototype.
824 (thread_across_edge): Likewise.
825 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
826 (tree-ssa-threadedge.o): Add dependencies.
827 * tree-ssa-threadedge.c: New file.
828 * passes.c (init_optimization_passes): Merge PHIs before
829 calling VRP. Run VRP again late in the SSA optimization pipeline.
831 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
833 * df-core.c (df_set_blocks): Do not dereference function pointers.
834 (df_finish1): Likewise.
835 (df_hybrid_search_forward): Likewise.
836 (df_hybrid_search_backward): Likewise.
837 (df_iterative_dataflow): Likewise.
838 (df_analyze_problem): Likewise.
839 (df_compact_blocks): Likewise.
841 * df-scan.c (df_rescan_blocks): Likewise.
842 (df_record_entry_block_defs): Likewise.
844 * genconditions.c (write_conditions): Guard the definition of
845 'insn_conditions' with the check on GCC version.
846 (write_writer): Guard the traversal 'insn_conditions' with
847 the check on GCC version.
849 2006-02-07 Richard Guenther <rguenther@suse.de>
853 2006-01-30 Richard Guenther <rguenther@suse.de>
855 * gimplify.c (gimplify_target_expr): Handle easy cases
856 without creating a temporary.
858 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
860 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
861 use of float in probability computations. Use edge probabilities
862 in place of statically computed probabilities.
863 (min_spec_prob): New static variable.
864 (schedule_insns): Initialize it.
865 (GET_SRC_PROB): Removed.
866 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
868 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
871 * config/ia64/unwind-ia64.c: Revert last change.
872 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
873 (INCOMING_FRAME_SP_OFFSET): Define.
875 2006-02-06 Roger Sayle <roger@eyesopen.com>
877 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
879 2006-02-07 Ben Elliston <bje@au.ibm.com>
881 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
882 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
883 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
884 (ix86_return_in_memory): Handle TDmode.
885 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
886 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
888 2006-02-06 Richard Sandiford <richard@codesourcery.com>
890 * reorg.c (dbr_schedule): Use dump_file instead of file.
892 2006-02-06 Steve Ellcey <sje@cup.hp.com>
895 * config/ia64/predicates.md (extr_len_operand): New predicate.
896 * config/ia64/ia64.md (extv): Tighten constraints.
898 (*tbit_and_2): Ditto.
899 (*tbit_and_3): Ditto.
905 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
908 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
910 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
912 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
913 loop_optimizer_init and loop_optimizer_finalize
914 * tree-ssa-sink.c (execute_sink_code): Ditto.
915 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
916 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
917 tree_ssa_loop_done): Ditto.
918 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
919 * sched-ebb.c: Include output.h.
920 (schedule_ebbs): Do not use dump argument.
921 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
922 * loop.c (loop_dump_stream): Removed.
923 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
925 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
926 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
927 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
928 loop_iterations, strength_reduce, record_biv, record_giv,
929 final_giv_value, check_final_value, check_ext_dependent_givs,
930 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
931 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
932 dump_file instead of loop_dump_stream.
933 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
935 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
937 * flow.c (life_analysis, rest_of_handle_life): Ditto.
938 * haifa-sched.c: Include output.h
939 (schedule_insns, sched_init): Do not use dump argument.
940 * mode-switching.c (optimize_mode_switching): Ditto.
941 * modulo-sched.c (stats_file): Removed.
942 (print_node_sched_params): Do not call argument dump_file.
943 (sms_schedule_by_order, loop_canon_p, sms_schedule,
944 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
946 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
948 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
949 rtl_loop_init, rtl_loop_done): Ditto.
950 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
951 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
953 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
954 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
955 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
956 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
957 * emit-rtl.c (renumber_insns): Ditto.
958 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
959 expand_gimple_basic_block, tree_expand_cfg): Ditto.
960 * regclass.c (regclass): Ditto.
961 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
962 remove_ssa_form, rewrite_out_of_ssa): Ditto.
963 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
964 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
966 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
967 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
969 * gcse.c (gcse_file, debug_stderr): Removed.
970 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
971 rest_of_handle_gcse): Do not use dump argument.
972 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
973 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
974 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
975 compute_code_hoist_vbeinout, compute_code_hoist_data,
976 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
977 compute_store_table, build_store_vectors, insert_insn_start_bb,
978 insert_store, remove_reachable_equiv_notes, replace_store_insn,
979 store_motion): Use dump_file instead of gcse_file.
980 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
981 * profile.c (profile_dump_file): Removed.
982 (branch_prob): Use dump_file instead of profile_dump_file.
983 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
985 * tree-ssa-copy.c (dump_copy_of): Ditto.
986 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
987 dump file to life_analysis.
988 * bt-load.c (branch_target_load_optimize): Ditto.
989 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
991 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
992 regclass, dbr_schedule): Declaration changed.
993 * sched-int.h (sched_init): Declaration changed.
994 * tree-profile.c (tree_profile_dump_file): Removed.
995 (tree_profile_hooks): Removed profile_dump_file hook.
996 * rtl-profile (rtl_profile_dump_file): Removed.
997 (rtl_profile_hooks): emoved profile_dump_file hook.
998 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1000 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1001 * tree-cfg.c (build_tree_cfg): Ditto.
1002 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1003 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1004 Declaration changed.
1005 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1006 life_analysis and schedule_insns.
1007 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1009 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1011 * config/mips/mips.c (mips_reorg): Ditto.
1012 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1015 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1017 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1018 (s390_mangle_fundamental_type): New.
1019 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1022 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1023 (alpha_mangle_fundamental_type): New.
1024 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1027 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1029 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1031 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1032 (sparc_mangle_fundamental_type): New.
1034 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1036 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1037 (s390x-*-linux*): Likewise.
1038 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1039 * config/s390/t-linux: New file.
1041 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1043 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1044 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1046 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1048 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1049 (ANTIC_SAFE_LOADS): New macro.
1050 (find_or_generate_expression): Add prototype.
1051 (set_contains_value): Allow null set for sake of not always having
1052 to allocate ANTIC_SAFE_LOADS.
1053 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1054 Allow COMPONENT_REF too.
1055 (valid_in_set): Allow COMPONENT_REF.
1056 Check ANTIC_SAFE_LOADS too.
1057 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1058 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1060 (can_PRE_operation): Add COMPONENT_REF.
1061 (create_component_ref_by_pieces): New function.
1062 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1063 (insert_aux): Move AGGREGATE_TYPE_P check here.
1064 (compute_avail): Set bb local stmt uids.
1065 (pass_pre): Use TODO_update_ssa_only_virtuals.
1067 2006-02-06 Ben Elliston <bje@au.ibm.com>
1069 * configure.ac: Unconditionally disable decimal float by default.
1070 * configure: Regenerate.
1072 2006-02-06 Ben Elliston <bje@au.ibm.com>
1074 * read-rtl.c (read_name): Terminate reading on EOF.
1076 2006-02-06 Ben Elliston <bje@au.ibm.com>
1078 * dfp.c (decimal_real_arithmetic): Change second argument type
1079 from int to enum tree_code. Do not always return true, but now
1080 return result of any call to decimal_do helper functions.
1081 * dfp.h (decimal_real_arithmetic): Update prototype.
1083 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1085 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1087 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1090 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1093 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1095 * tree-vrp.c (cfg_loops): Removed.
1096 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1097 Use current_loops instead of cfg_loops. Pass flags to
1098 loop_optimizer_init.
1099 * cfgloopmanip.c (fix_loop_structure): Update only available
1101 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1102 loop_optimizer_init.
1103 * modulo-sched.c (build_loops_structure): Removed.
1104 (sms_schedule): Use loop_optimizer_init.
1105 * loop-init.c (loop_optimizer_init): Use flags to determine
1106 which properties of loops to prepare.
1107 (rtl_loop_init): Pass flags to loop_optimizer_init.
1108 * tree-ssa-sink.c (execute_sink_code): Ditto.
1109 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1110 * tree-ssa-pre.c (init_pre): Ditto.
1111 * cfgloop.h (LOOPS_NORMAL): New.
1112 (loop_optimizer_init): Declaration changed.
1114 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1116 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1117 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1119 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1121 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1123 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1124 * pa/t-pa64: Delete quadlib.c rule.
1125 * pa/x-ada: Revert last change.
1126 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1128 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1130 PR rtl-optimization/26087
1131 * rtlanal.c (canonicalize_condition): Do not cross basic block
1134 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1137 * config/ia64/ia64.c: Include debug.h.
1138 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1139 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1140 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1141 (process_epilogue, process_set, process_for_unwind_directive):
1142 Output unwind info only if requested. Add CFA info if requested.
1143 Add new arguments as needed. Adjust callers.
1144 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1146 (DWARF2_FRAME_INFO): Define to zero.
1147 * config/ia64/unwind-ia64.c: Remove code that compensated for
1148 the CFA offset error fixed above.
1149 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1150 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1151 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1152 -funwind-tables and -fexceptions to enable frame info.
1153 (dwarf2out_frame_init): Define initial CFA even if
1154 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1155 DWARF2_UNWIND_INFO is nonzero, not just defined.
1156 (dwarf2out_frame_finish): Output non-EH call frame info only
1157 if DWARF2_FRAME_INFO is nonzero.
1158 (convert_cfa_to_loc_list,
1159 compute_frame_pointer_to_cfa_displacement): Define even if
1160 unwind info is not supported.
1161 (gen_subprogram_die): Use the above unconditionally. Remove
1162 legacy alternate code.
1163 * toplev.c (compile_file): Compile in call to
1164 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1165 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1167 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1168 Jakub Jelinek <jakub@redhat.com>
1170 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1171 IBM extended float format long double as "g" on powerpc*-linux.
1173 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1176 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1177 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1179 2006-02-03 Jason Merrill <jason@redhat.com>
1182 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1185 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1186 on the return slot if it's an NRV.
1188 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1190 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1191 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1192 rewrite_use): Do not handle USE_OUTER.
1193 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1194 add_iv_outer_candidates, may_replace_final_value,
1195 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1196 (find_interesting_uses_op): Functionality of
1197 find_interesting_uses_outer_or_nonlin moved here.
1198 (find_interesting_uses_outside): Use find_interesting_uses_op.
1200 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1203 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1205 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1206 Ulrich Weigand <uweigand@de.ibm.com>
1209 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1210 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1211 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1212 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1214 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1215 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1216 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1217 Define secondary reloads for TFmode moves.
1218 (constant_modes): Add TFmode.
1219 (NR_C_MODES): Set to 8.
1220 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1222 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1223 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1224 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1225 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1226 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1227 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1228 (FPR mode macro): Add TFmode.
1229 (DSF mode macro): New.
1230 (<de>, <dee> mode attributes): Removed.
1231 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1232 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1233 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1234 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1235 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1236 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1237 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1238 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1239 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1240 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1241 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1242 "*negabs<mode>2", "sqrt<mode>2"):
1243 Changed <de> to <xde>. R constraint replaced by <Rf>.
1244 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1246 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1247 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1248 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1250 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1251 "extenddftf2", "extendsftf2"): New expanders.
1252 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1253 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1254 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1255 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1257 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1258 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1259 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1260 __floatditf): Add a GCC_4.1.0 symbol version tag.
1261 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1264 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1267 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1268 Use targetm.binds_local_p instead of TREE_PUBLIC.
1270 2006-02-02 Roger Sayle <roger@eyesopen.com>
1272 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1273 on INTEGER_TYPEs to indicate that it denotes a character type.
1274 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1275 signed_char_type_node, unsigned_char_type_node and char_type_node.
1276 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1277 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1278 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1280 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1281 Daniel Berlin <dberlin@dberlin.org>
1283 * tree-tailcall.c (arg_needs_copy_p): New function.
1284 (eliminate_tail_call): Use arg_needs_copy_p.
1285 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1286 (add_virtual_phis): New function.
1288 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1290 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1291 #ignore instead of #scratch for %g7 .register directive.
1293 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1295 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1298 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1300 * flow.c (calculate_global_regs_live): Assert that there aren't any
1303 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1305 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1307 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1308 bsi_after_labels iterator.
1309 * tree-if-conv.c (find_phi_replacement_condition,
1310 replace_phi_with_cond_modify_expr): Likewise.
1311 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1312 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1314 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1316 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1318 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1321 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1322 array after growing it.
1324 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1327 * fold-const.c (fold_checksum_tree): Change type of buf.
1329 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1331 * reload.c (push_secondary_reload): Initialize t_icode.
1333 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1335 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1336 -msoft-float -mlong-double-128 only issue a warning, but don't
1337 swich to DFmode long double.
1339 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1341 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1342 has a constant equivalent, iterate over equivalents for arg0,
1343 calling simplify_relational_operation and if there's a result
1344 cheaper than X, apply fold_rtx and return the result.
1346 2006-02-01 Jan Hubicka <jh@suse.cz>
1348 * opts.c (no_unit_at_a_time_default): New global variable.
1349 (decode_options): Use it.
1350 * opts.h (no_unit_at_a_time_default): Declare.
1352 2006-02-01 Paul Brook <paul@codesourcery.com>
1354 * function.c (assign_parm_setup_reg): Use function argument promotion
1356 * expr.c (expand_expr_real_1): Use function argument promotion rules
1359 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1361 * gcc.c (process_command): Change j to 'unsigned int'.
1363 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1366 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1367 Use the corrected index for the character
1368 out of the string constant.
1370 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1372 * mode-switching.c (optimize_mode_switching): Fix size
1373 allocated for bb_info[n_entities].
1375 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1377 * gcc.c (main): Correct type that is allocated for
1378 explicit_link_files.
1380 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1382 * config/s390/s390.c (init_alignment_context): Set
1383 ALIAS_SET_MEMORY_BARRIER on the MEM.
1384 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1386 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1389 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1391 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1394 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1396 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1397 * regrename.c: Ditto.
1398 * tree-ssa-loop-im.c: Ditto.
1399 * tree-dump.c: Ditto.
1400 * tree-complex.c: Ditto.
1401 * genrecog.c: Ditto.
1402 * tree-ssa-threadupdate.c: Ditto.
1404 * java/class.c: Ditto.
1405 * java/jcf-parse.c: Ditto.
1406 * java/resource.c: Ditto.
1407 * java/except.c: Ditto.
1408 * java/jvspec.c: Ditto.
1409 * java/jcf-write.c: Ditto.
1410 * java/jcf-path.c: Ditto.
1411 * java/gjavah.c: Ditto.
1412 * java/zextract.c: Ditto.
1413 * java/jcf-io.c: Ditto.
1414 * java/jcf.h: Ditto.
1415 * java/buffer.c: Ditto.
1416 * java/lang.c: Ditto.
1417 * java/parse-scan.y: Ditto.
1418 * java/lex.c: Ditto.
1419 * java/lex.h: Ditto.
1420 * cfgloopmanip.c: Ditto.
1421 * postreload-gcse.c: Ditto.
1422 * tree-ssa-loop-manip.c: Ditto.
1423 * postreload.c: Ditto.
1424 * tree-ssa-loop-ch.c: Ditto.
1428 * diagnostic.c: Ditto.
1430 * genoutput.c: Ditto.
1432 * cfghooks.c: Ditto.
1433 * cfgloopanal.c: Ditto.
1434 * objc/objc-act.c: Ditto.
1436 * genextract.c: Ditto.
1437 * genautomata.c: Ditto.
1438 * pretty-print.c: Ditto.
1440 * cgraphunit.c: Ditto.
1443 * haifa-sched.c: Ditto.
1444 * dominance.c: Ditto.
1446 * tree-ssa-loop-ivopts.c: Ditto.
1448 * mode-switching.c: Ditto.
1449 * modulo-sched.c: Ditto.
1451 * ipa-pure-const.c: Ditto.
1453 * fix-header.c: Ditto.
1455 * tree-stdarg.c: Ditto.
1456 * ipa-utils.c: Ditto.
1457 * loop-init.c: Ditto.
1458 * ipa-inline.c: Ditto.
1461 * alloc-pool.c: Ditto.
1462 * dwarf2out.c: Ditto.
1464 * genattrtab.c: Ditto.
1465 * tree-ssa-loop-ivcanon.c: Ditto.
1469 * fortran/gfortranspec.c: Ditto.
1471 * local-alloc.c: Ditto.
1472 * langhooks.c: Ditto.
1473 * function.c: Ditto.
1474 * tree-vectorizer.c: Ditto.
1476 * ipa-type-escape.c: Ditto.
1478 * tree-if-conv.c: Ditto.
1481 * tree-data-ref.c: Ditto.
1482 * loop-unroll.c: Ditto.
1483 * treelang/treetree.c: Ditto.
1486 * ggc-common.c: Ditto.
1488 * coverage.c: Ditto.
1490 * tree-cfgcleanup.c: Ditto.
1491 * tree-ssa-pre.c: Ditto.
1492 * cfgcleanup.c: Ditto.
1493 * loop-invariant.c: Ditto.
1495 * ipa-prop.c: Ditto.
1496 * print-tree.c: Ditto.
1497 * conflict.c: Ditto.
1498 * ggc-page.c: Ditto.
1499 * sched-deps.c: Ditto.
1500 * regclass.c: Ditto.
1501 * tree-object-size.c: Ditto.
1503 * bb-reorder.c: Ditto.
1504 * resource.c: Ditto.
1505 * var-tracking.c: Ditto.
1507 * df-problems.c: Ditto.
1508 * reg-stack.c: Ditto.
1511 * sched-rgn.c: Ditto.
1512 * tree-ssa-structalias.c: Ditto.
1513 * tree-ssa-reassoc.c: Ditto.
1514 * config/darwin-c.c: Ditto.
1515 * config/darwin.c: Ditto.
1516 * config/arm/arm.c: Ditto.
1518 * collect2.c: Ditto.
1521 2006-01-31 Nicolas Pitre <nico@cam.org>
1523 * arm.md (smaxsi3): Make aware of smax_m1.
1526 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1528 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1530 2006-01-31 Richard Guenther <rguenther@suse.de>
1532 * doc/invoke.texi (-msselibm): Document.
1533 * target.h (expand_library_builtin): New target hook.
1534 * builtins.c (expand_builtin): Use expand_library_builtin.
1535 (default_expand_library_builtin): New function.
1536 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1537 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1538 (link_gcc_math_spec): Declare.
1539 (static_specs): Add link_gcc_math_spec.
1540 * expr.h (default_expand_library_builtin): Declare.
1541 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1542 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1543 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1544 * config/i386/i386.opt (msselibm): New target option.
1545 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1546 (ix86_init_sse_abi_builtins): New function.
1547 (ix86_expand_library_builtin): Likewise.
1548 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1549 (override_options): Handle error conditions wrt -msselibm.
1550 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1551 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1552 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1555 2006-01-31 Richard Guenther <rguenther@suse.de>
1556 Paolo Bonzini <bonzini@gnu.org>
1558 * doc/install.texi (--disable-libgcc-math): Document.
1560 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1562 * expr.h (expand_normal): new inline function.
1563 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1565 * dwarf2out.c: use it.
1570 * config/sparc/sparc.c: use it.
1571 * config/i386/i386.c: use it.
1572 * config/rs6000/rs6000.c: use it.
1573 * config/arm/arm.c: use it.
1574 * config/mips/mips.c: use it.
1575 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1577 2006-01-30 Roger Sayle <roger@eyesopen.com>
1579 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1580 argv to the appropriate type.
1582 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1584 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1587 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1590 * config/s390/s390.c (struct machine_function): New flag
1591 decomposed_literal_pool_addresses_ok_p.
1592 (s390_reorg): Set it before final stage of literal pool transforms.
1593 (s390_decompose_address): Only accept displacements of the form
1594 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1596 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1598 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1599 the comparison routine return.
1601 2006-01-30 Michael Matz <matz@suse.de>
1603 * global.c (find_reg): Only evict for global regs.
1604 Take n_refs into account and dump more info.
1606 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1609 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1610 (pragma_trap, pragma_nosave_low_regs): Likewise.
1611 (current_function_anonymous_args): Likewise.
1612 (sh_deferred_function_attributes): New variable.
1613 (sh_deferred_function_attributes_tail): Likewise.
1614 (print_operand): For '@', look up trap_exit attribute.
1615 (calc_live_regs): Look up trapa_handler attribute. For trapa
1616 handlers, save/restore fpscr, but don't do any other
1617 interrupt-specific saves.
1618 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1619 Fix check for partially saved registers to check for SHmedia.
1620 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1621 (sh_output_function_epilogue): Don't clear any of the removed
1623 (sh_insert_attributes): Don't check pragma_interrupt.
1624 Insert deferred attributes. Check that interrupt attribute is
1625 present for other attributes that require its presence.
1626 (sh_attribute_table): Add new attributes trapa_handler and
1628 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1629 Don't check for pragma_interrupt. Don't store argument.
1630 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1631 (sh_deferred_function_attributes): Declare.
1632 (sh_deferred_function_attributes_tail): Likewise.
1633 * sh.md (sp_switch_1): Add operand. Change generator caller.
1634 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1635 (*return_i): Don't use when trap_exit attribute is in effect.
1636 (*return_trapa): New insn pattern.
1638 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1639 setting c_target_objs and cxx_target_objs.
1640 * t-sh: Add rule for sh-c.o.
1642 2006-01-30 Richard Guenther <rguenther@suse.de>
1645 * gimplify.c (gimplify_target_expr): Handle easy cases
1646 without creating a temporary.
1648 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1650 * vec.h (safe_grow): Remove duplicated line.
1652 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1655 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1656 (expand_omp): ... here.
1657 (expand_omp_parallel): Only remove barriers for combined
1658 parallel+workshare constructs.
1660 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1664 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1665 * tree.c (build_qualified_type): Chain the new type to the original
1666 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1667 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1668 (build_pointer_type_for_mode): Only return unqualified types.
1669 (build_reference_type_for_mode): Likewise.
1671 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1673 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1674 * Makefile.in (CXX_COMPAT_WARN): Define.
1675 * configure: Regenerate.
1677 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1680 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1683 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1685 * toplev.c: Fix thinko.
1687 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1688 Marcin Dalecki <martin@dalecki.de>
1690 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1691 (push_srcloc): Use XNEW.
1692 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1694 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1696 * df-core.c (df_set_blocks): Deleted all variable.
1698 2006-01-28 Ian Lance Taylor <ian@airs.com>
1700 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1701 cgraph_output_pending_asms.
1703 2006-01-28 Zack Weinberg <zackw@panix.com>
1705 * c.opt: Add -W(no-)overlength-strings.
1706 * doc/invoke.texi: Document it.
1707 * c-opts.c (c_common_handle_option): -pedantic implies
1708 -Woverlength-strings, if not explicitly disabled already.
1709 (c_common_post_options): -Woverlength-strings defaults to off, and
1710 is always off for C++.
1711 * c-common.c (fix_string_type): Issue warning about strings longer
1712 than is portable only if warn_overlength_strings. Rearrange code
1713 a little for clarity.
1714 * configure.in: Check for -Wno-overlength-strings as well before
1715 enabling -pedantic in stage 1.
1716 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1717 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1719 * genconditions.c (write_header, write_one_condition)
1720 (write_conditions, write_writer): Consolidate very long strings
1721 that were broken up to fit in C89 portable limit. Don't use
1722 printf when fputs will do.
1724 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1726 * combine.c (simplify_comparison <AND>): Check
1727 TRULY_NOOP_TRUNCATION before start using a subreg.
1729 * config/mips/mips.md (*branch_zero<mode>,
1730 *branch_zero<mode>_inverted, *branch_equality<mode>,
1731 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1732 Remove mode check from comparisons.
1734 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1736 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1738 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1740 * expmed.c (const_mult_add_overflow_p): Remove.
1741 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1743 * recog.c (validate_replace_rtx_subexp): Remove.
1744 * recog.h: Remove the prototype for
1745 validate_replace_rtx_subexp.
1747 * integrate.h: Remove the prototype for
1748 copy_decl_for_inlining.
1749 * rtl.h: Remove the prototype for mark_constant_function.
1750 * tree-vectorizer.h: Remove the prototype for
1751 vect_strip_conversion.
1753 * modulo-sched.c (create_partial_schedule,
1754 free_partial_schedule, reset_partial_schedule): Make them
1757 * hooks.c (hook_bool_rtx_int_false): Remove.
1758 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1760 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1762 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1763 and -mlong-double-128 are incompatible.
1764 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1765 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1766 (TARGET_LIBGCC2_CFLAGS): Define.
1767 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1768 (TARGET_LIBGCC2_CFLAGS): Same.
1769 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1771 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1774 * c-typeck.c (build_binary_op): Perform implicit casts of
1775 operands before shortening them.
1777 * cfgloopmanip.c (split_loop_bb): Remove.
1778 * cfgloop.h: Remove the prototype for split_loop_bb.
1780 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1781 * cfgloop.h: Remove the prototype for
1782 flow_loop_outside_edge_p.
1784 * emit-rtl.c (init_virtual_regs): Make it static.
1785 * function.h: Remove the prototype for init_virtual_regs.
1787 * recog.c (peephole2_optimize): Make it static.
1788 * recog.h: Remove the prototype for peephole2_optimize.
1790 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1792 * df-scan.c (df_record_entry_block_defs): Check if
1793 INCOMING_RETURN_ADDR_RTX is defined.
1795 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1796 Kenneth Zadeck <zadeck@naturalbridge.com>
1798 PR rtl-optimization/24762
1799 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1800 * targhooks.c (hook_void_bitmap): New hook prototype.
1801 * targhoohs.h (hook_void_bitmap): Ditto.
1802 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1803 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1804 * target.h (live_on_entry): New function pointer.
1805 * df-scan.c (df_all_hard_regs): Removed.
1806 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1807 (df_scan_free_internal): Added df->entry_block_defs.
1808 (df_scan_alloc): Ditto.
1809 (df_scan_dump): Ditto.
1810 (df_uses_record): Plumbed flag field properly thru calls.
1811 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1812 This part fixes PR24762.
1813 (df_bb_refs_record): Added code to make the frame and arg
1814 pointers live in EH blocks.
1815 (df_refs_record): Added call to df_record_entry_block_defs.
1816 (df_record_entry_block_defs): New function.
1817 * df-core.c: Added comments to describe new artifical defs.
1818 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1819 (entry_block_defs): New field in struct df.
1820 (df_all_hard_regs): Deleted.
1821 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1822 * df-problems.c (df_ru_bb_local_compute_process_def):
1823 Added code to handle artifical defs in the entry to a function.
1824 (df_ru_bb_local_compute): Ditto.
1825 (df_rd_bb_local_compute_process_def): Ditto.
1826 (df_rd_bb_local_compute): Ditto.
1827 (df_lr_bb_local_compute): Ditto.
1828 (df_ur_bb_local_compute): Ditto.
1829 (df_urec_bb_local_compute): Ditto.
1830 (df_chain_create_bb): Ditto.
1831 (df_ur_local_finalize): Removed entry.
1832 (df_urec_init): Ditto.
1833 (df_urec_local_finalize): Ditto.
1834 (df_ri_bb_compute): Added detection of last use of pseudos.
1835 * Makefile.in (df-scan.o): Updated dependencies.
1836 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1837 * config/mips/mips.c (mips_set_live_on_entry): Added.
1838 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1840 * dce.c (marked_insn_p): Added code to handle artifical defs.
1842 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1844 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1846 (_mm_cvtsi128_si64): Likewise.
1847 (_mm_cvtsd_si64): Likewise.
1848 (_mm_cvttsd_si64): Likewise.
1849 (_mm_cvtsi64_sd): Likewise.
1850 (_mm_cvtsi64_si128): Likewise.
1851 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1852 (_mm_cvtsi64_m64): Likewise.
1853 (_m_to_int64): Likewise.
1854 (_mm_cvtm64_si64): Likewise.
1855 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1856 (_mm_cvttss_si64): Likewise.
1857 (_mm_cvtsi64_ss): Likewise.
1858 (_mm_cvtss_f32): Likewise.
1860 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1862 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1863 for pragma redefine_extname.
1865 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1868 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1869 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1870 -mno-minimal-toc to previous content.
1871 (bispecs): Remove goal.
1872 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1873 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1874 compatibility aliases on powerpc-*-*gnu*.
1875 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1876 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1877 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1878 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1879 (ldblspecs): New goal.
1880 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1881 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1883 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1884 L_sf_to_tf or L_df_to_tf is defined.
1886 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1887 Alan Modra <amodra@bigpond.net.au>
1890 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1891 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1892 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1893 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1894 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1895 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1896 (rs6000_override_options): Initialize rs6000_ieeequad.
1897 Initialize TFmode format to ibm_extended_format if not
1899 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1901 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1902 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1903 (function_arg_advance): IBM long double passed in two FPRs, not
1905 (function_arg): IBM long double passed in FPRs.
1906 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1907 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1908 Only multireg GPR aligned.
1909 (rs6000_init_libfuncs): Enable IBM long double functions if not
1911 (rs6000_generate_compare): Use IBM long double compare if not
1913 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1914 (TARGET_IEEEQUAD): Define.
1915 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1916 not TARGET_IEEEQUAD.
1917 * config/rs6000/rs6000.md: Enable TFmode patterns if
1919 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1920 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1921 and -mlong-double-128 are incompatible.
1922 * doc/invoke.texi (-mabi): Collect options together. Add
1923 ibmlongdouble and ieeelongdouble.
1925 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1927 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1929 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1930 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1931 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1932 * rtl.h (rtunion_def): Remove rt_ptr.
1934 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1935 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1936 * config/i386/winnt.c (i386_pe_mark_dllexport)
1937 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1939 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1941 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1943 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1947 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1948 pthread_key_delete. From John David Anglin. gthrw-ify
1949 pthread_getunique_np only if it it's not a macro. Delete
1951 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1952 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1953 __gthread_objc_condition_signal, __gthread_key_delete): Add
1954 "__attribute__ ((__unused__))" to unused arguments.
1955 (__gthread_recursive_mutex_init_function): Add missing return.
1956 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1957 gthr-posix95.h: Use macro-based approach for name redirection
1958 on targets missing weakref.
1960 2006-01-26 Zack Weinberg <zackw@panix.com>
1962 * genconditions.c (write_header): In generated code, #ifdef out
1963 all includes and fake declarations, except includes of bconfig.h
1964 and system.h, unless GCC_VERSION >= 3001. Do not include
1965 gensupport.h in any case.
1966 (write_conditions): Generate a definition of struct c_test. Add
1967 a comment to the generated #endif.
1968 (write_one_condition): Escape backslashes in string too.
1969 (write_writer): Generated code must escape backslashes and quote
1970 marks (but not newlines) in the strings it writes.
1971 * Makefile.in (build/gencondmd.o): Update dependencies.
1973 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1976 * Makefile.in (insn-automata.o): Add header file dependencies.
1977 * genautomata.c: Add includes.
1979 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1982 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1984 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1986 * configure.ac: Expect target tools paths to be passed from the toplevel
1987 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1989 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1991 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1994 * c.opt (Wpointer-sign): Init to -1.
1995 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1996 OPT_pedantic, to 0 otherwise.
1997 * doc/invoke.texi: Update.
1999 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2001 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2002 constants provided by 80387 instructions in the destination mode.
2004 2006-01-26 Richard Guenther <rguenther@suse.de>
2005 Andrew Pinski <pinskia@physics.uc.edu>
2008 partial PR tree-opt/17064
2009 * tree-ssa-structalias.c (intra_create_variable_infos):
2010 Create heap variables for incoming parameters if
2011 flag_argument_noalias > 1.
2012 (find_what_p_points_to): Look through default defs of
2015 2006-01-26 Jeff Law <law@redhat.com>
2018 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2019 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2020 within the VR_RANGE, use the VR_RANGE as the result, not the
2022 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2023 bounds for the type.
2025 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2027 * tree-ssa-alias.c (maybe_create_global_var): Change
2028 subvar walking to an assertion that we don't have subvar'd variables.
2030 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2033 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2034 Use a new variable, inner. PARM_DECLs are always non-weak.
2036 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2038 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2041 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2043 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2045 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2047 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2048 (smax_insn, smin_insn, smax_0, smin_0): New.
2050 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2053 * config/cris/cris.c (cris_order_for_addsi3): New function.
2054 * config/cris/cris-protos.h: Prototype it.
2055 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2056 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2057 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2058 (split for "op.S1 [rx=rx+i],ry (swapped)")
2059 (split for "op(s|u).S1 [rx=rx+i],ry")
2060 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2061 Apply cris_order_for_addsi3 when generating addsi3 insns.
2063 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2065 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2066 (TREE_BLOCK): Add call to EXPR_CHECK.
2068 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2071 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2072 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2073 (dump_omp_clauses): ... here.
2074 (dump_generic_node): Handle OMP_CLAUSE.
2075 * tree.c (omp_clause_num_ops): New.
2076 (omp_clause_code_name): New.
2077 (tree_code_size): Handle OMP_CLAUSE.
2078 (tree_size): Likewise.
2079 (make_node): Document handling of OMP_CLAUSE.
2080 (tree_node_structure): Handle OMP_CLAUSE.
2081 (omp_clause_check_failed): New.
2082 (omp_clause_range_check_failed): New.
2083 (omp_clause_operand_check_failed): New.
2084 (build_omp_clause): New.
2085 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2086 * tree.h (enum omp_clause_code): Declare.
2087 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2088 (OMP_CLAUSE_RANGE_CHECK): Define.
2089 (OMP_CLAUSE_ELT_CHECK): Define.
2090 (omp_clause_check_failed): Declare.
2091 (omp_clause_operand_check_failed): Declare.
2092 (omp_clause_range_check_failed): Declare.
2093 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2094 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2095 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2096 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2097 (OMP_CLAUSE_IF_EXPR): Likewise.
2098 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2099 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2100 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2101 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2102 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2103 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2104 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2105 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2106 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2107 (OMP_CLAUSE_CODE): Define.
2108 (OMP_CLAUSE_SET_CODE): Define.
2109 (OMP_CLAUSE_CODE): Define.
2110 (OMP_CLAUSE_OPERAND): Define.
2111 (struct tree_omp_clause): Declare.
2112 (union tree_node): Add field 'omp_clause'.
2113 * treestruct.def (TS_OMP_CLAUSE): Define.
2114 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2115 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2116 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2117 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2118 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2119 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2120 (OMP_CLAUSE): Define.
2121 * print-tree.c (print_node): Handle OMP_CLAUSE.
2122 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2123 * c-typeck.c: Likewise.
2124 * gimplify.c: Likewise.
2125 * c-omp.c: Likewise.
2126 * tree-nested.c: Likewise.
2127 * tree-inline.c: Likewise.
2128 * c-parser.c: Likewise.
2129 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2132 2006-01-25 Roger Sayle <roger@eyesopen.com>
2134 PR rtl-optimization/25703
2135 * combine.c (try_combine): Handle zero_extract and strict_low_part
2136 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2138 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2140 * global.c: Fix comment typos.
2142 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2145 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2146 Use output_addr_const instead of assemble_name.
2148 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2150 * Makefile.in (sched-vis.o): Update dependencies.
2151 * haifa-sched.c (sched_finish): Clear current_sched_info.
2152 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2153 (dump_flow_info): Call it.
2154 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2156 * basic-block.h (dump_bb_info): Declare.
2157 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2158 option, and apply options only for dump files whose TDF_RTL,
2159 TDF_TREE, or TDF_IPA bits match.
2160 * rtl.h: Declare new functions exported from sched-vis.c.
2161 * sched-vis.c: Enable also if scheduling is not used.
2162 (print_value): Print the mode of registers if not inside scheduling.
2163 (print_insn): Make it work outside the scheduler. Beautify the output
2165 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2167 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2169 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2170 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2171 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2172 depending on the value of CONSTANT_POOL_ADDRESS_P.
2173 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2175 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2176 rather than SYMBOL_REF_DECL.
2177 (rtx_constant_pool): Remove const_rtx_sym_htab.
2178 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2179 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2180 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2181 Remove handling of const_rtx_sym_htab.
2182 (find_pool_constant): Delete.
2183 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2184 rather than find_pool_constant.
2185 (get_pool_constant_for_function): Delete.
2186 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2188 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2189 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2190 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2191 (SYMBOL_REF_CONSTANT): New macro.
2192 (get_pool_constant_for_function): Delete.
2193 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2194 rather than SYMBOL_REF_DECL.
2195 (i386_pe_mark_dllimport): Likewise.
2196 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2197 rather than SYMBOL_REF_DECL.
2198 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2199 (machopic_indirect_call_target): Likewise.
2201 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2203 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2205 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2207 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2209 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2211 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2213 2006-01-24 David Daney <ddaney@avtrex.com>
2216 * configure.ac (enable_tls): New enable option.
2217 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2218 * configure: Regenerate.
2219 * doc/install.texi (--enable-tls): Document new option.
2220 (--disable-tls): Ditto.
2222 2006-01-24 Richard Henderson <rth@redehat.com>
2224 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2225 * alias.c (true_dependence): Respect it.
2226 (canon_true_dependence, write_dependence_p): Likewise.
2227 * builtins.c (get_builtin_sync_mem): Set it.
2229 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2231 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2234 2006-01-24 DJ Delorie <dj@redhat.com>
2236 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2237 for storing constants in single-bit bitfields.
2239 2006-01-25 Ben Elliston <bje@au.ibm.com>
2241 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2243 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2246 * tree-ssa-pre.c (phi_translate): Return NULL
2247 for AGGREGATE_TYPE's.
2249 2006-01-24 Zack Weinberg <zackw@panix.com>
2251 * genautomata.c (process_state_for_insn_equiv_partition):
2252 Use xcalloc for insn_arcs_array.
2253 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2254 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2256 2006-01-24 Richard Henderson <rth@redhat.com>
2258 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2261 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2263 PR rtl-optimization/25890
2264 PR rtl-optimization/25905
2265 * combine.c (expand_compound_operation, expand_field_assignment):
2266 Fail if the bitfield's final position is out of bounds.
2268 2006-01-24 Ian Lance Taylor <ian@airs.com>
2271 * cgraphunit.c (cgraph_output_in_order): Don't clear
2272 cgraph_asm_nodes until after asm strings have been output.
2274 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2276 * fix-header.c (read_scan_file): Add new parameter imultilib when
2277 calling register_include_chains.
2279 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2281 * omp-low.c: Update documentation.
2283 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2284 Daniel Berlin <dberlin@dberlin.org>
2288 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2289 return from the function.
2291 2006-01-22 Zack Weinberg <zackw@panix.com>
2293 * rtl.def (match_code): Add second argument.
2294 * genpreds.c (write_extract_subexp): New function.
2295 (write_match_code): Add path argument. Use write_extract_subexp.
2296 (write_predicate_expr): Pass path to write_match_code.
2297 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2298 not perform a mode test.
2299 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2300 a subexpression does not constrain the top-level code set.
2301 * read-rtl.c (read_rtx_variadic): New function.
2302 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2303 * doc/md.texi: Document new notation.
2304 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2305 (cmpsi_operand): ... here, using new notation.
2307 2006-01-22 Zack Weinberg <zackw@panix.com>
2309 * varray.c: Remove GENERATOR_FILE #ifdefs.
2311 2006-01-22 Zack Weinberg <zackw@panix.com>
2313 * genautomata.c (output_reserved_units_table): Emit nothing if
2314 description->query_units_num is zero. Remove extra blank line.
2315 (output_cpu_unit_reservation_p): Short circuit
2316 if description->query_units_num is zero.
2318 2006-01-22 Zack Weinberg <zackw@panix.com>
2320 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2321 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2322 nor any of the random handful of variables that used to be necessary
2323 when this program was linked with rtlanal.o. Prune set of forward
2324 function declarations.
2325 (struct attr_desc): Remove static_p field.
2326 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2327 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2328 (attr_string): Do not read the character one past the length of
2330 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2331 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2332 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2333 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2334 (make_automaton_attrs): New.
2335 (main): Do not call into genautomata. Call local gen_bypass
2336 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2337 Remove special case for insn_alts.
2338 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2339 varray.h (leftover from previous change). Prune set of forward
2340 function declarations. Remove state_alts fields from all
2341 structures. Remove state_alts_table from struct automaton.
2342 Make everything except main static. Do not maintain num_dfa_decls.
2343 Do not maintain state_alts fields of various structures.
2344 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2345 (add_arc): Remove state_alts argument. All callers updated.
2346 (output_reserved_units_table): Emit #ifdef here...
2347 (output_tables): ...not here. Don't generate state_alts tables.
2348 (expand_automata): Don't generate attributes.
2349 (write_automata): Don't generate state_alts functions.
2350 (main): New function.
2351 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2352 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2353 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2354 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2355 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2356 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2357 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2358 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2360 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2361 * genattrtab.h: Delete file.
2362 * Makefile.in (OBJS-common): Add insn-automata.o.
2363 (insn-automata.o): New rule.
2364 (simple_generated_c): Add insn-automata.c.
2365 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2366 (genprogmd): Add automata.
2367 (build/genattrtab): Needs no extra objects nor libraries.
2368 (build/genautomata): Needs build/vec.o and -lm.
2370 2006-01-22 Zack Weinberg <zackw@panix.com>
2372 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2373 (output_dfa_max_issue_rate, locked_states_num): Delete.
2374 (struct automaton): Add locked_states field.
2375 (output_dead_lock_vect): Save number of locked states in
2376 automaton->locked_states. If it is zero, don't print anything.
2377 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2378 (output_internal_dead_lock_func): Only test the dead_lock_vect
2379 for automata that have locked states.
2380 (output_statistics): Always print the number of locked states for
2381 each automaton. Calculate total number of locked states here.
2382 (write_automata): Don't call output_dfa_max_issue_rate.
2383 * genattrtab.c: Define length_unit_log as a const variable.
2384 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2385 max_insn_queue_index const.
2386 * final.c (length_unit_log): Declare const.
2387 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2389 2006-01-22 Zack Weinberg <zackw@panix.com>
2391 * genautomata.c: Include vec.h, not varray.h.
2392 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2393 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2394 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2395 VEC_* macros operating on appropriately typed vectors, or to
2396 malloced arrays when the size is known in advance. Const-ify
2397 many char* variables and function arguments. No functional changes.
2398 * Makefile.in (build/varray.o): Delete rule.
2399 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2400 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2402 2006-01-22 Zack Weinberg <zackw@panix.com>
2404 * gensupport.c: Define get_insn_name and record_insn_name here.
2405 (read_md_rtx): Call record_insn_name as appropriate.
2406 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2407 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2408 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2410 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2411 (BUILD_VARRAY): Delete.
2412 (genprognormal): Rename genprogmd. Fold in all programs from
2413 genprognoprint; also attrtab.
2414 (build/genattrtab): Just mention genautomata.o and varray.o.
2415 Reorganize a bit, add comments to make the categories clearer.
2417 2006-01-22 Zack Weinberg <zackw@panix.com>
2419 * genconditions.c (condition_table, add_condition): Delete.
2420 (write_conditions): Don't emit n_insn_conditions nor
2421 insn_elision_unavailable. Issue the gcc version #ifdef here,
2422 inside the table, with no #else clause ...
2423 (write_header): ...not here.
2424 (write_writer): New function.
2425 (main): Don't initialize condition_table. Use add_c_test.
2427 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2428 files on the command line.
2429 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2430 Return -1 if there is no entry in the table, don't abort.
2431 (add_c_test, traverse_c_tests): New functions.
2432 * gensupport.h (insn_elision_unavailable, insn_conditions)
2433 (n_insn_conditions): Delete declarations.
2434 (add_c_test, traverse_c_tests): Declare.
2435 * read-rtl.c: Include gensupport.h.
2436 (read_conditions): New function.
2437 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2438 (read_rtx_1): If we get EOF when we were looking for an initial
2439 open paren, return 0. Call read_conditions when appropriate.
2440 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2441 dummy-conditions.o. Eliminate references to insn-conditions.o,
2442 or change them to build/gencondmd.o, as appropriate. Remove
2443 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2444 from $(simple_generated_c). For all files remaining in those
2445 two lists, add insn-conditions.md to the generator command line.
2446 Give insn-constants.h/s-constants their own rules. Add rules
2447 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2448 (build/read-rtl.o): Depend on gensupport.h.
2449 (genprognormal): Include preds.
2450 (genprogearly): Rename genprognoprint; only difference is now that
2451 they don't link with $(BUILD_PRINT).
2452 * dummy-conditions.c: Delete.
2454 2006-01-22 Zack Weinberg <zackw@panix.com>
2456 * genextract.c: Don't include insn-config.h. Do include vec.h.
2457 Declare vectors of int, char, and locstr.
2458 (locstr): New typedef.
2459 (struct extraction): Make all array fields into bare pointers.
2460 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2461 (insn_code_number): Delete.
2462 (accum_extract): New struct.
2463 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2464 (gen_insn): Take insn_code_number as an argument. Use an
2465 accum_extract structure instead of loading data directly into
2466 a struct extraction, and having to know how big it might get.
2467 (walk_rtx): Operate entirely on an accum_extract structure.
2468 (print_path): Avoid unnecessary use of printf.
2469 (print_header): New function, split out of main. Distinguish
2470 more carefully between an unrecognizable insn and an insn that
2471 has the code number of a define_expand.
2472 (main): Pass insn_code_number to gen_insn. Call print_header
2473 only after parsing. Avoid unnecessary use of printf.
2474 * Makefile.in (build/vec.o): New rule.
2475 (build/genextract): Depend on build/vec.o.
2476 (build/genextract.o): Don't depend on insn-config.h.
2478 2006-01-22 Zack Weinberg <zackw@panix.com>
2480 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2481 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2482 practical. Eliminate per-generator-program link rules.
2484 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2487 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2488 with a call expr to ...
2489 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2491 2006-01-23 Richard Guenther <rguenther@suse.de>
2493 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2494 before make_edge with conditional EDGE_TRUE_VALUE.
2496 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2497 Jan Hubicka <jh@suse.cz>
2498 Richard Guenther <rguenther@suse.de>
2500 PR rtl-optimization/25654
2501 * cfgexpand.c (aggregate_contains_union_type): New function.
2502 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2503 for structure variables that contain a union type.
2505 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2507 * gengtype.c (new_structure): Return the structure.
2508 (create_option): Add an extra "next" argument.
2509 (create_field): New function.
2510 (adjust_field_rtx_def): Use create_option and create_field.
2511 Remove a now-unnecessary call to find_structure.
2512 (adjust_field_tree_def): Likewise.
2513 (note_yacc_type): Remove an unnecessary call to find_structure.
2514 * gengtype.h (new_structure): Return the structure.
2515 (create_option): Add an extra argument.
2516 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2517 (option): Adjust calls to create_option.
2519 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2521 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2523 2006-01-22 Paul Brook <paul@codesourcery.com>
2524 Peter Barada <peter@the-baradas.com>
2526 * config/m68k/m68k.md: Add Coldfire FPU support.
2527 Define FP mode macro and associated attributes.
2528 Use it for float mode patterns.
2529 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2530 (LIBCALL_VALUE): Use m68k_libcall_value.
2531 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2532 (m68k_function_value): Ditto.
2533 (emit_move_sequence): Ditto.
2534 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2535 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2536 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2537 (MULTILIB_EXCEPTIONS): Ditto.
2538 * config/m68k/m68k.opt: Add mcfv4e.
2539 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2540 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2541 (m68k_output_function_prologue): Save ColdFire FPU registers.
2542 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2543 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2544 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2545 ColdFire FPU registers.
2546 (m68k_libcall_value, m68k_function_value): New functions.
2547 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2548 (LIBCALL_VALUE): Use m68k_libcall_value.
2549 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2550 (MASK_COLDFIRE): Add MASK_CFV4E.
2551 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2552 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2553 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2554 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2555 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2556 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2557 * doc/invoke.tex: Document -mcfv4e on m68k.
2559 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2561 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2564 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2567 * c-opts.c (c_common_handle_option): Don't include
2568 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2569 * doc/invoke.texi (C++ Dialect Options): Document that
2570 -Wnon-virtual-dtor is no longer included in -Wall.
2572 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2574 * gcov.c (print_version), gcov-dump.c (print_version),
2575 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2578 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2580 * df-scan.c (problem_SCAN): Added NULL reset function.
2581 (df_scan_reset_blocks): Added code to call reset block function
2582 (df_bb_refs_delete) Fixed comment.
2583 (df_insn_refs_delete): Made tolerant of deleting non existent info
2584 for dataflow problems that need to be reset.
2585 * df-core.c (df_set_blocks): Ditto.
2586 * df.h (struct df_problem): Added reset_fun.
2587 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2588 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2589 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2590 functions to clear out all references to def-use or use-def chains.
2592 2006-01-21 Ben Elliston <bje@au.ibm.com>
2594 * varasm.c (assemble_real): Initialise data array.
2596 2006-01-20 Paul Brook <paul@codesourcery.com>
2598 Merge from csl-arm-branch.
2599 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2600 * config/arm/arm.md (movdi): Force operands[1] to a register
2601 if we have a non-register source.
2602 (*arm_movdi, *movdf_soft_insn): Require that one of the
2603 operands be a register.
2604 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2605 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2607 2006-01-20 DJ Delorie <dj@redhat.com>
2609 * varasm.c (initialize_constant_valid_p): Allow pointers
2610 initialized from integer constants of lesser precision.
2611 (output_constant): Allow non-int-sized pointer modes to be
2612 initialized from integer constants.
2614 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2617 * cppdefault.h (struct default_include): Add multilib flag.
2618 * cppdefault.c (cpp_include_defaults): Set it.
2619 * c.opt (-imultilib): New option.
2620 * c-opts.c (imultilib): New.
2621 (c_common_handle_option): Handle -imultilib.
2622 (c_common_post_options): Likewise.
2623 * c-incpath.c (add_standard_paths, register_include_chains):
2625 * c-incpath.h (register_include_chains): Add extra parameter.
2626 * gcc.c (do_spec_1): Generate -imultilib option.
2627 (The Specs Language): Update %I description.
2628 (process_command): Update copyright notice.
2629 * doc/cppopts.texi (-imultilib): Document.
2630 * doc/invoke.texi (-imultilib): Include in option summary.
2631 (%I): Update specs documentation.
2633 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2635 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2637 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2639 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2642 2006-01-20 Richard Guenther <rguenther@suse.de>
2643 Steven Bosscher <stevenb.gcc@gmail.com>
2645 PR rtl-optimization/24626
2646 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2647 EDGE_TRUE_VALUE if in RTL mode.
2650 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2651 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2653 2006-01-20 Dirk Mueller <dmueller@suse.com>
2656 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2657 instead of a special NOP marker.
2658 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2659 NOP marker handling.
2660 * c-common.h (empty_body_warning): Add forward declaration.
2661 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2662 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2664 2006-01-20 Paul Brook <paul@codesourcery.com>
2666 * Makefile.in (lang_checks): Keep going if mkdir fails.
2668 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2670 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2671 be able to clean out basic block when not necessary.
2672 (df_scan_free): Fixed to properly delete information if df is
2673 unused before calling df_finish.
2674 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2675 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2677 (df_bb_refs_delete): New function.
2678 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2679 * df-core.c (df_set_blocks): Added code to properly clean out
2680 unused blocks if they are not part of the blocks to consider.
2681 Added additional null check.
2682 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2683 be able to clean out basic block when not necessary
2684 * df.h (df_free_bb_function): Ditto.
2685 (df_bb_refs_delete): New function.
2686 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2687 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2688 basic block parameter to be able to clean out basic block when not
2690 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2691 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2692 Fixed to properly delete information if df is unused before
2695 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2697 PR rtl-optimization/25799
2698 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2699 Corrected confluence operator to remove bits from op2 before oring
2700 with op1 rather than removing bits from op1.
2701 (df_ru_transfer_function): Corrected test on wrong bitmap which
2702 caused infinite loop. Both of these problems were introduced in
2703 the dataflow rewrite.
2705 2006-01-19 DJ Delorie <dj@redhat.com>
2707 * reload1.c (find_reload_regs): Note the details of reload
2708 failures in the dump file.
2709 (spill_failure): Likewise.
2711 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2713 * loop-iv.c: Include df.h and hashtab.h.
2714 (enum iv_grd_result): New enum.
2715 (DF_REF_IV, DF_REF_IV_SET): New macros.
2716 (struct biv_entry): New.
2717 (df, bivs): New global variables.
2718 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2719 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2721 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2722 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2723 analyzed_for_bivness_p, record_biv): New functions.
2724 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2725 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2726 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2728 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2730 (iv_number_of_iterations): Use new interface to iv analysis.
2731 * loop-unroll.c: Do not include varray.h.
2732 (analyze_iv_to_split_insn): Use new interface to iv
2734 * loop-unswitch.c (may_unswitch_on): Ditto.
2735 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2737 (df_bb_modify): Realloc tables to the new index.
2738 (df_find_use): New function.
2739 * df.h (df_find_use): Declare.
2740 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2742 * cfgloop.h (struct rtx_iv): Remove analysed field.
2743 (iv_get_reaching_def): Removed.
2744 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2745 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2746 (loop-iv.o): Add df.h and hashtab.h dependency.
2747 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2749 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2752 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2754 (__floatundisf, __floatundidf): Likewise.
2755 * libgcc2.h (IS_IBM_EXTENDED): Define.
2757 2006-01-19 DJ Delorie <dj@redhat.com>
2759 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2761 2006-01-19 Paul Brook <paul@codesourcery.com>
2763 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2764 as nothrow when unwinding tables are disabled.
2766 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2769 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2770 of bit-field" when in system header.
2772 2006-01-19 DJ Delorie <dj@redhat.com>
2774 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2775 the 16 bit shift limit of the m16c.
2777 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2780 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2781 * config/i386/i386.c (output_set_got): Output the label if we have one
2782 for the TARGET_DEEP_BRANCH_PREDICTION case.
2784 2006-01-19 Jan Hubicka <jh@suse.cz>
2785 H.J. Lu <hongjiu.lu@intel.com>
2786 Evandro Menezes <evandro.menezes@amd.com>
2788 * invoke.texi (generic): Document
2790 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2791 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2792 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2793 (x86_use_incdec, x86_pad_returns): New variables
2794 (TARGET_CPU_DEFAULT_generic): New constant
2795 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2796 (enum processor_type): Add generic32 and generic64.
2797 * i386.md (cpu attribute): Add generic32/generic64
2798 (movhi splitter): Behave sanely when both partial_reg_dependency and
2799 partial_reg_stall are set.
2800 (K8 splitters): Enable for generic as well.
2801 * predicates.md (incdec_operand): Use TARGET_INCDEC
2802 (aligned_operand): Avoid memory mismatch stalls.
2803 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2804 * ppro.md: Enable for generic32
2805 * i386.c (generic64_cost, generic32_cost): New.
2806 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2807 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2808 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2809 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2810 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2811 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2812 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2813 x86_accumulate_outgoing_args, x86_prologue_using_move,
2814 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2815 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2817 (x86_use_incdec, x86_pad_returns): New.
2818 (override_options): Add generic32 and generic64, translate "generic"
2819 to generic32/generic64 and "i686" to "generic32", refuse
2820 "generic32"/"generic64" as arch target.
2821 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2822 (ix86_reorg): Honor PAD_RETURNS.
2824 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2826 * tree-pretty-print.c (dump_generic_node): Handle
2827 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2828 * cgraph.c (cgraph_expand_queue): Rename from
2829 cgraph_analyze_queue. Update all users.
2830 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2831 cgraph_expand_queue.
2832 (cgraph_expand_all_functions): Likewise.
2833 (cgraph_finalize_pending_functions): Remove. Update callers.
2835 * tree.h (OMP_DIRECTIVE_P): Define.
2836 (OMP_PARALLEL_FN): Define.
2837 (OMP_PARALLEL_DATA_ARG): Define.
2838 (OMP_SECTIONS_SECTIONS): Define.
2839 * tree-pass.h (pass_expand_omp): Declare.
2840 * omp-low.c (struct omp_region): Declare.
2841 (struct omp_context): Remove fields 'parallel_type',
2842 'parallel_start_ix' and 'parallel_start_additional_args'.
2844 (struct omp_for_data): Rename from struct expand_omp_for_data.
2845 (omp_regions): New static variable.
2846 (root_omp_region): New static variable.
2847 (find_omp_clause): Make static.
2848 (is_in_combined_parallel_ctx): Remove.
2849 (is_combined_parallel): New.
2850 (extract_omp_for_data): Move earlier in the file.
2851 (workshare_safe_to_combine_p): New.
2852 (get_ws_args_for): New.
2853 (determine_parallel_type): Move earlier in the file.
2854 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2856 (omp_copy_decl): Likewise.
2857 (create_omp_child_function): Likewise.
2858 (lookup_omp_region): New.
2859 (dump_omp_region): New.
2860 (debug_omp_region): New.
2861 (debug_all_omp_regions): New.
2862 (new_omp_region): New.
2863 (scan_omp_parallel): If parallel_nesting_level > 1, the
2864 directive is nested within another parallel directive.
2865 Set OMP_PARALLEL_FN.
2866 (scan_omp_for): Do not try to handle combined parallel+for
2868 Remove FIXME comment.
2869 (scan_omp_nested): Remove.
2870 (scan_omp_1): Do not call scan_omp_nested when
2871 parallel_nesting_level is > 1.
2872 Do not change the DECL_CONTEXT of local variables found.
2873 (lookup_decl_in_outer_ctx): New.
2874 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2875 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2876 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2877 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2878 If CTX is nested, lookup VAR in the outer context when
2879 building copy assignment.
2880 (lower_send_clauses): Rename from expand_send_clauses.
2881 If CTX is nested, lookup VAR in the outer context when
2882 building copy assignments.
2883 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2884 If CTX is nested, lookup VAR in the outer context when
2885 building copy assignments.
2886 (expand_parallel_call): Rename from build_parallel_call.
2887 Handle combined parallel+workshare cases.
2888 Re-implement to emit code into the CFG.
2890 (expand_omp_parallel): Re-implement to emit code into the CFG.
2891 Call move_sese_region_to_fn to outline the sub-graph
2892 containing the parallel region.
2893 (expand_omp_for_1): Remove.
2894 (expand_omp_for_generic): Re-implement to emit code into the
2896 (expand_omp_for_static_nochunk): Likewise.
2897 (expand_omp_for_static_chunk): Likewise.
2898 (expand_omp_for): Likewise.
2899 (expand_omp_sections): Likewise.
2900 (remove_exit_barriers): New.
2901 (expand_omp_synch): New.
2903 (build_omp_regions_1): New.
2904 (build_omp_regions): New.
2905 (execute_expand_omp): New.
2906 (gate_expand_omp): New.
2907 (pass_expand_omp): Define.
2908 (lower_omp_sections): Rename from expand_omp_sections.
2909 Set OMP_SECTIONS_SECTIONS.
2910 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2911 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2912 (lower_omp_single): Rename from expand_omp_simple.
2913 (lower_omp_master): Rename from expand_omp_master.
2914 (lower_omp_ordered): Rename from expand_omp_ordered.
2915 (lower_omp_critical): Rename from expand_omp_critical.
2916 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2917 (lower_omp_for): Re-implement.
2918 (lower_omp_parallel): Re-implement.
2919 (lower_regimplify): Rename from expand_regimplify.
2920 (lower_omp_1): Rename from expand_omp_1.
2921 If there are syntax errors in the program, replace every
2922 OpenMP directive with NOP.
2923 Call lower_omp_* instead of expand_omp_*.
2924 (lower_omp): Rename from expand_omp.
2926 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2927 * tree-gimple.h (enum omp_parallel_type): Remove.
2928 (gimple_boolify): Declare extern.
2929 (find_omp_clause, determine_parallel_type): Remove.
2931 * gimple-low.c (lower_omp_directive): New.
2932 (lower_stmt): Call it.
2933 (record_vars_into): Move from ...
2934 (record_vars): ... here.
2935 Call record_vars_into with current_function_decl.
2937 * gimplify.c (struct gimplify_ctx): Remove fields
2938 combined_pre_p and combined_ctxp. Update users.
2939 (get_formal_tmp_var): Add documentation.
2940 (gimple_boolify): Make extern.
2941 (gimplify_expr_in_ctx): Remove. Update callers.
2942 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2943 will always be a BIND_EXPR.
2944 (gimplify_expr): Handle OMP_RETURN_EXPR.
2945 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2946 (OMP_PARALLEL): Add 3 operands.
2947 (OMP_SECTIONS): Add 1 operand.
2948 (OMP_RETURN_EXPR): Define.
2950 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2951 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2952 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2953 creating a circular free list.
2954 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2956 * tree-flow.h (move_sese_region_to_fn): Declare.
2957 (record_vars_into): Declare.
2958 * tree-cfg.c (make_omp_sections_edges): New.
2959 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2960 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2961 OMP_SECTIONS and OMP_SECTION.
2962 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2963 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2964 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2965 (gather_blocks_in_sese_region): New.
2966 (struct move_stmt_d): Declare.
2968 (move_block_to_fn): New.
2969 (move_sese_region_to_fn): New.
2971 * passes.c (init_optimization_passes): Schedule
2972 pass_expand_omp after pass_init_datastructures.
2974 * tree-ssa-operands.c (get_expr_operands): Handle
2975 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2976 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2978 2006-01-19 Jeff Law <law@redhat.com>
2980 * tree-vrp.c (extract_range_from_assert): Refine the result range
2981 if the variable referenced by the ASSERT_EXPR has a range and
2982 either the tentative result range or the previous range is a
2985 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2987 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2989 2006-01-19 Jan Hubicka <jh@suse.cz>
2991 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2993 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2995 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2996 (expand_compound_operation, expand_field_assignment): Fail if the
2997 bit lengths of an extract operation are out of range.
2998 (make_extraction): Compute wanted_inner_mode based on the position
2999 and length of the extraction. Make it extraction_mode for non-constant
3000 positions, and do not modify offset in that case. When generating a
3001 new MEM, use a mode that can hold the extraction while keeping correct
3002 alignment. Remove code that supported MEMs wrapped by USEs.
3003 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3005 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3007 * config/s390/s390.md ("Y", "y"): New mode attribute.
3008 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3009 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3010 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3011 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3012 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3013 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3014 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3015 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3016 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3017 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3018 "addsi3", "subsi3"): Insn patterns removed.
3019 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3020 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3021 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3022 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3023 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3024 "*sub<mode>3_cconly2"): New insn patterns.
3025 ("addsi3", "subsi3"): New expanders.
3027 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3029 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3030 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3031 existing STMT_VINFO_VECTYPE if available.
3032 (vect_mark_relevant): Add special handling for stmts that are
3033 marked as STMT_VINFO_IN_PATTERN_P.
3034 (vect_analyze_loop): Call vect_pattern_recog.
3035 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3036 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3038 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3039 (vect_recog_func_ptr): New function-pointer type.
3040 * tree-vect-patterns.c: New file.
3041 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3042 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3043 (vect_pattern_recog_1): New functions.
3044 (vect_pattern_recog_funcs): New array of function pointers.
3046 * tree-vectorizer.h (ternary_op): New enum value.
3047 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3048 declaration. Revised documentation. Removed redundant dump prints.
3049 Removed redundant argument. Added support for reduction patterns.
3050 (vectorizable_reduction): Added support for reduction patterns.
3051 (vect_transform_stmt): Added support for patterns.
3053 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3054 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3055 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3056 (expand_widen_pattern_expr): New function.
3057 (init_optabs): Initialize new optabs udot_prod_optab,
3059 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3060 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3061 (expand_widen_pattern_expr): New function declaration.
3062 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3064 * tree-inline.c (estimate_num_insns_1): Added cases for new
3065 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3066 * tree-pretty-print.c (dump_generic_node): Likewise.
3067 (op_prio): Likewise.
3068 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3069 * tree-ssa-operands.c (get_expr_operands): Added case for
3071 * tree-vect-patterns.c (widened_name_p): New function.
3072 (vect_recog_dot_prod_pattern): Added function implementation.
3073 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3074 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3075 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3076 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3078 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3079 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3080 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3081 (init_optabs): Initialize new optabs widen_ssum_optab,
3083 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3084 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3085 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3086 use instead of type of def.
3087 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3088 function implementation.
3089 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3090 widen_ssumv8hi): New.
3092 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3095 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3098 * c-decl.c (add_flexible_array_elts_to_size): New function.
3099 (finish_decl): Use it.
3101 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3103 * diagnostic.h: Include options.h.
3104 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3105 dependancies for diagnostic.h.
3106 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3108 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3110 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3111 (ssa_ro_call_cache_valid): Ditto.
3112 * tree-ssa-alias.c (sort_tags_by_id): New function.
3113 (init_transitive_clobber_worklist): Ditto.
3114 (add_to_worklist): Ditto.
3115 (mark_aliases_call_clobbered): Ditto.
3116 (compute_tag_properties): Ditto.
3117 (set_initial_properties): Ditto.
3118 (compute_call_clobbered): Ditto.
3119 (compute_may_aliases): Call compute_call_clobbered and grouping.
3120 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3121 (compute_flow_insensitive_aliasing): Grouping now happens in our
3123 (setup_pointers_and_addressables): Remove clobbering related code.
3124 (add_may_alias): Ditto.
3125 (replace_may_alias): Ditto.
3126 (get_nmt_for): Ditto.
3127 (create_global_var):
3128 (is_escape_site): Return an escape_type enumeration.
3129 * tree-flow-inline.h (is_call_clobbered): Global var does not
3130 imply call clobbered.
3131 (mark_call_clobbered): Take a reason for marking this. Remove
3132 marking of globalness, and cache invalidation.
3133 (clear_call_clobbered): Remove cache invalidation code.
3134 * tree-dfa.c (dump_variable): If details is on, dump the reason
3136 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3138 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3139 (struct var_ann_d): Ditto.
3140 (enum escape_type): New.
3141 (mark_call_clobbered): Adjust prototype.
3142 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3143 are never call clobbered.
3144 Record reasons for escaping.
3145 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3146 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3147 (ssa_ro_call_cache_valid): Ditto.
3148 (clobbered_v_may_defs): Ditto.
3149 (clobbered_vuses): Ditto.
3150 (ro_call_vuses): Ditto.
3151 (clobber_stats): New.
3152 (init_ssa_operands): Zero out clobber stats.
3153 (fini_ssa_operands): Print out clobber stats.
3154 (get_call_expr_operands): Pass callee fndecl to
3156 (add_call_clobber_ops): Remove use of cache.
3157 Add use of PURE_CONST information.
3158 (add_call_read_ops): Remove use of cache.
3159 Add use of static not_read information.
3161 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3163 Introduce TLS descriptors for i386 and x86_64.
3164 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3165 (TARGET_ANY_GNU_TLS): New macro.
3166 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3167 (struct machine_function): Add tls_descriptor_call_expanded_p.
3168 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3169 (ix86_current_function_calls_tls_descriptor): Likewise.
3170 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3171 (override_options): Introduce gnu2 tls dialect.
3172 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3174 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3176 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3177 (ix86_init_machine_status): Initialize new field.
3178 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3179 (ix86_tls_module_base): New.
3180 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3181 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3182 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3183 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3184 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3185 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3186 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3187 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3188 * config/i386/predicates.md (tls_modbase_operand): New.
3189 (tp_or_register_operand): New.
3191 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3193 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3194 (look_for_address_of): Ditto.
3195 (ipa_init): Walk the function decls.
3196 (static_execute): Don't set readonly on FUNCTION_DECL's.
3198 2006-01-18 Roger Sayle <roger@eyesopen.com>
3200 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3201 for shifts where the source and destination registers are different.
3203 2006-01-18 Paul Brook <paul@codesourcery.com>
3205 Merge from csl-arm-branch.
3206 2005-03-14 Julian Brown <julian@codesourcery.com>
3207 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3208 (aeabi_llsl): Likewise.
3209 (ashrdi3): Likewise.
3210 (aeabi_lasr): Likewise.
3211 (lshrdi3): Likewise.
3212 (aeabi_llsr): Likewise.
3213 2005-03-10 Julian Brown <julian@codesourcery.com>
3214 * config.gcc: Disable shared libgcc for SymbianOS.
3215 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3217 2006-01-18 DJ Delorie <dj@redhat.com>
3219 * c-pragma.c (handle_pragma_diagnostic): New.
3220 (init_pragma): Register it.
3221 * doc/extend.texi: Document it.
3223 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3224 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3225 (diagnostic_context): Add classify_diagnostic[].
3226 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3227 as errors if they're overridden to DK_WARNING.
3228 (diagnostic_initialize): Initialize classify_diagnostic[].
3229 (diagnostic_set_kind_override): New.
3230 (diagnostic_report_diagnostic): Check for kind changes.
3231 * opts.c (common_handle_option): Take lang_mask. Update callers.
3233 * common.opt (Werror=): New.
3234 * doc/invoke.texi: Document -Werror=*
3236 2006-01-18 Jeff Law <law@redhat.com>
3238 * tree-vrp.c (test_for_singularity): Correct test for new
3239 min limit. Use operand_equal_p rather than pointer equality
3240 for testing if new min/max values are equal.
3242 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3243 using range information until after propagation and folding.
3245 2006-01-18 Richard Henderson <rth@redhat.com>
3246 Aldy Hernandez <aldyh@redhat.com>
3247 Jakub Jelinek <jakub@redhat.com>
3248 Diego Novillo <dnovillo@redhat.com>
3250 * omp-low.c: New file.
3251 * c-omp.c: New file.
3253 2006-01-18 Richard Henderson <rth@redhat.com>
3254 Jakub Jelinek <jakub@redhat.com>
3255 Diego Novillo <dnovillo@redhat.com>
3257 * doc/invoke.texi: Document -fopenmp.
3258 * tree-dump.h (debug_function): Declare.
3259 * hooks.c (hook_bool_tree_bool_false): New function.
3260 (hook_tree_tree_null): Remove.
3261 (hook_tree_tree_tree_null): New.
3262 * hooks.h: Update to match.
3263 * tree-pretty-print.c (debug_tree_chain): New.
3264 (print_generic_expr): Handle TDF_CHAIN.
3265 (dump_generic_node): Handle BLOCK.
3266 Do not abort with incomplete SWITCH_EXPRs.
3267 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3268 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3269 print space after directive name.
3270 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3271 Handle OMP_MASTER and OMP_ORDERED.
3272 Handle printing of OMP_BODY just in one place, goto
3273 dump_omp_body in the rest of OMP_* nodes that have
3275 Don't handle clause nodes here. Update omp statements to
3276 use dump_omp_clauses.
3277 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3278 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3279 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3280 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3281 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3282 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3283 Adjust output for GOMP_PARALLEL.
3284 (dump_omp_clauses): New.
3285 (print_declaration): Dump DECL_VALUE_EXPR.
3286 (op_symbol_1): Split out of op_symbol.
3287 (dumping_stmts): Remove. Update all users.
3288 * cgraph.c (cgraph_analyze_queue): New.
3289 (cgraph_add_new_function): New.
3290 * cgraph.h (cgraph_analyze_queue): Declare.
3291 (cgraph_add_new_function): Declare.
3292 (cgraph_lower_function): Remove.
3293 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3294 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3295 and TYPE_P nodes in its default clause.
3296 (empty_body_p): New.
3297 (tree_range_check_failed): New.
3299 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3300 OMP_CLAUSE_REDUCTION_MERGE,
3301 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3302 OMP_CLAUSE_PRIVATE_DEBUG,
3303 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3304 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3305 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3306 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3307 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3308 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3309 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3310 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3311 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3312 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3313 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3314 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3315 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3316 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3317 (TREE_RANGE_CHECK): New.
3318 (empty_body_p): Declare.
3319 (enum omp_clause_default_kind): New.
3320 (build_string_literal): Declare.
3321 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3322 (build5_stat, build5): Declare.
3323 * tree-pass.h (TDF_CHAIN): Define.
3324 * tree-pass.h (PROP_gimple_lomp): Define.
3325 (pass_lower_omp): Declare.
3326 * diagnostic.h (debug_tree_chain): Declare.
3327 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3329 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3330 * builtins.c (build_string_literal): Make extern.
3331 * gcc.c (include_spec_function): New.
3332 (static_spec_functions): Add it.
3333 (main): Move load of libgomp.spec ...
3334 (LINK_COMMAND_SPEC): ... here.
3335 (link_gomp_spec): New.
3336 (static_specs): Include it.
3337 (LINK_COMMAND_SPEC): Add link_gomp.
3338 (GOMP_SELF_SPECS): New.
3339 (driver_self_specs): Include it.
3340 (switch_matches): Don't mark inline.
3341 (main): Load libgomp.spec.
3342 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3343 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3344 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3345 * tree-gimple.h (enum omp_parallel): Declare.
3346 (determine_parallel_type): Declare.
3347 (omp_firstprivatize_variable): Declare.
3348 (omp_reduction_init): Declare.
3349 (diagnose_omp_structured_block_errors): Declare.
3350 (struct walk_stmt_info): Add want_return_expr.
3351 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3352 (find_omp_clause): Declare.
3353 (insert_field_into_struct): Declare.
3354 (struct walk_stmt_info): Move from tree-nested.c
3355 (walk_stmts): Declare.
3356 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3358 * cgraphunit.c (cgraph_lower_function): Make static.
3359 (cgraph_finalize_pending_functions): New.
3360 (cgraph_finalize_function): Call it.
3361 (cgraph_finalize_compilation_unit): Likewise.
3362 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3363 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3364 (BT_FN_UINT_UINT): New.
3365 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3366 DEF_FUNCTION_TYPE_VAR_4): Document.
3367 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3368 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3369 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3370 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3371 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3372 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3373 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3374 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3375 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3376 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3377 into separate files.
3378 (DEF_GOMP_BUILTIN): New.
3379 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3380 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3381 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3382 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3383 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3384 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3385 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3386 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3387 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3388 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3389 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3390 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3391 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3392 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3393 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3394 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3395 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3396 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3397 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3398 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3399 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3400 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3401 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3402 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3403 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3404 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3405 * sync-builtins.def: New file, moved from builtins.def.
3406 * omp-builtins.def: New file, moved from builtins.def.
3407 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3408 * gimple-low.c (lower_function_body): Clear data.
3409 (lower_stmt): Do not handle COMPOUND_EXPR.
3410 Remove call to print_node_brief.
3411 * c-tree.h (c_finish_omp_clauses): New prototype.
3412 (C_DECL_THREADPRIVATE_P): Define.
3413 (lookup_name_no_remap, c_omp_remap_private): Remove
3414 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3415 (check_for_loop_decls): Update decl.
3416 (lookup_name_no_remap, c_omp_remap_private): Declare.
3417 (build_indirect_ref, build_modify_expr, pushdecl,
3418 pushdecl_top_level): Move to c-common.h.
3419 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3420 before the switch, but just in the 2 places that need it.
3421 * c-decl.c (diagnose_mismatched_decls): Do not check for
3422 mismatched thread-local attributes when OLDDECL is marked
3423 threadprivate and NEWDECL has no thread-local attributes.
3424 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3425 (c_gimple_diagnostics_recursively): Rename from
3426 c_warn_unused_result_recursively. Invoke
3427 diagnose_omp_structured_block_errors.
3428 (check_for_loop_decls): Return a singular decl found.
3429 * langhooks.c (lhd_omp_predetermined_sharing): Return
3430 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3431 (lhd_omp_firstprivatize_type_sizes): New.
3432 (lhd_omp_assignment): New.
3433 (lhd_omp_predetermined_sharing): New.
3434 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3435 (struct lang_hooks_for_types): Add
3436 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3437 omp_predetermined_sharing, omp_disregard_value_expr,
3438 omp_private_debug_clause, omp_clause_default_ctor,
3439 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3440 (c_finish_omp_clauses): New.
3441 (c_finish_bc_stmt): Diagnose break within omp for.
3442 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3443 (build_unary_op): Return error_mark after reporting
3445 (build_modify_expr): Likewise.
3446 * gimplify.c: Include optabs.h and pointer-set.h.
3447 (enum gimplify_omp_var_data): Declare.
3448 (struct gimplify_omp_ctx): Declare.
3449 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3451 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3452 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3453 (splay_tree_compare_decl_uid): New.
3454 (new_omp_context): New.
3455 (delete_omp_context): New.
3456 (gimple_add_tmp_var): Call omp_add_variable.
3457 (gimplify_bind_expr): Likewise.
3458 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3459 true, disregard DECL_VALUE_EXPR on the decl if any.
3460 (gimplify_expr_in_ctx): New.
3461 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3462 omp_add_variable, omp_notice_variable, omp_is_private
3463 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3464 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3465 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3466 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3467 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3468 gimplify_omp_atomic): New.
3469 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3470 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3471 OMP_CRITICAL and OMP_ATOMIC.
3472 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3473 * c-pragma.h (enum pragma_kind): Add
3474 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3475 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3476 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3477 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3478 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3479 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3480 PRAGMA_OMP_THREADPRIVATE.
3481 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3482 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3483 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3484 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3485 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3486 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3487 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3488 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3489 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3490 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3491 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3492 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3493 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3495 (struct nesting_info): Add field_map,
3496 suppress_expansion, debug_var_chain.
3497 (create_nesting_tree): Initialize them.
3498 (lookup_field_for_decl): Use field_map.
3499 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3500 (convert_local_omp_clauses): New.
3501 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3502 (walk_body): Split out of walk_function.
3503 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3504 (convert_nonlocal_reference): Handle omp statements.
3505 (convert_local_reference): Likewise.
3506 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3507 (unnest_nesting_tree): New.
3508 (lower_nested_functions): Call it.
3509 (insert_field_into_struct): Make extern.
3510 (struct walk_stmt_info): Move to tree-gimple.h.
3511 (walk_stmts): Make extern.
3512 * omp-builtins.def: New file.
3513 * tree-iterator.c (expr_only): Clarify comment.
3514 * c-common.h (pushdecl_top_level, pushdecl,
3515 build_modify_expr, build_indirect_ref,
3516 c_finish_omp_master, c_finish_omp_critical,
3517 c_finish_omp_ordered, c_finish_omp_barrier,
3518 c_finish_omp_atomic, c_finish_omp_flush,
3519 c_finish_omp_for, c_split_parallel_clauses,
3520 omp_clause_default_kind, c_omp_sharing_predetermined,
3521 c_omp_remap_decl): Declare.
3522 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3523 (OBJS-common): Add omp-low.o.
3524 (c-omp.o, omp-low.o): Add.
3525 (gimplify.o): Add dependency on $(OPTABS_H).
3526 (GTFILES): Add omp-low.c.
3527 (gt-stringpool.h): Add.
3528 * tree-cfg.c (set_bb_for_stmt): Do not update the
3529 block-to-labels map if we are currently expanding to RTL.
3530 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3532 Handle IDENTIFIER_NODE.
3533 (tree_verify_flow_info): Do not ICE when emitting error
3534 messages about invalid labels.
3535 (dump_function_to_file): Reset CFUN before emitting the body
3537 (debug_function): New.
3538 * passes.c (init_optimization_passes): Schedule
3540 * langhooks-def.h (lhd_omp_predetermined_sharing,
3541 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3543 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3544 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3545 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3546 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3547 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3548 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3549 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3550 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3551 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3552 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3553 (LANG_HOOK_DECLS): Use them.
3555 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3556 Richard Henderson <rth@redhat.com>
3557 Jakub Jelinek <jakub@redhat.com>
3558 Diego Novillo <dnovillo@redhat.com>
3560 * c-parser.c (pragma_omp_clause): Define.
3561 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3562 (c_parser_compound_statement): Likewise.
3563 (c_parser_statement): Likewise.
3564 (c_parser_pragma): Handle omp pragmas.
3565 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3566 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3567 (c_parser_omp_clause_name, check_no_duplicate_clause,
3568 c_parser_omp_variable_list,
3569 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3570 c_parser_omp_clause_copyprivate,
3571 c_parser_omp_clause_default,
3572 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3573 c_parser_omp_clause_lastprivate,
3574 c_parser_omp_clause_nowait,
3575 c_parser_omp_clause_num_threads,
3576 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3577 c_parser_omp_clause_reduction,
3578 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3579 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3580 c_parser_omp_atomic, c_parser_omp_barrier,
3581 c_parser_omp_critical, c_parser_omp_flush,
3582 c_parser_omp_for_loop, c_parser_omp_for,
3583 c_parser_omp_master, c_parser_omp_ordered,
3584 c_parser_omp_sections_scope, c_parser_omp_sections,
3585 c_parser_omp_parallel, c_parser_omp_single,
3586 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3587 * c-pragma.c (init_pragma): Do omp pragma registration here.
3588 * c.opt (fopenmp): New flag.
3590 2006-01-18 Eric Christopher <echristo@apple.com>
3592 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3593 * config/darwin.h (GOMP_SELF_SPECS): Define.
3595 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3597 * rtl.h: Remove the prototype for reg_alloc.
3599 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3602 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3603 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3604 sjlj and dwarf2 exception handling.
3605 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3606 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3607 * pa/pa.c (function_value): Treat complex and vector types as
3609 (function_arg): Likewise. Only pass scalar floats in the floating
3610 point argument registers.
3611 * pa/t-slibgcc-dwarf-ver: New file.
3612 * pa/t-slibgcc-sjlj-ver: New file.
3613 * pa/t-slibgcc-elf-ver: Delete file.
3615 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3617 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3618 unlikely_test_section_p test.
3620 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3622 * mode-switching.c (optimize_mode_switching): Make it static.
3623 * basic-block.h: Remove the prototype for
3624 optimize_mode_switching.
3626 * modulo-sched.c (sms_schedule): Make it static.
3627 * rtl.h: Remove the prototype for sms_schedule.
3629 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3630 * rtl.h: Remove the prototype for gcse_after_reload_main.
3632 * reg-stack.c (reg_to_stack): Make it static.
3633 * rtl.h: Remove the prototype for reg_to_stack.
3635 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3637 * rtl.h: Remove the prototypes for regrename_optimize and
3638 copyprop_hardreg_forward.
3640 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3642 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3643 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3644 Test against the appropriate null constant for the mode.
3645 If 'fixup_overlap' is true, swap the operands if they overlap.
3646 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3647 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3648 alpha_split_tmode_pair and adjust for above change.
3649 * config/alpha/alpha.md (movtf_internal): Adjust call to
3650 alpha_split_tfmode_pair and rely on it to swap the operands.
3651 (movti_internal): New insn and post-reload splitter.
3652 (movti): New expander.
3654 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3656 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3659 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3661 * rtlanal.c (global_reg_mentioned_p_1,
3662 global_reg_mentioned_p): Remove.
3663 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3665 * flow.c (initialize_uninitialized_subregs): Make it static.
3666 * rtl.h: Remove the prototype for
3667 initialize_uninitialized_subregs.
3669 * function.c (instantiate_virtual_regs): Make it static.
3670 * function.h: Remove the prototype for
3671 instantiate_virtual_regs.
3673 * regmove.c (regmove_optimize, combine_stack_adjustments):
3675 * rtl.h: Remove the prototypes for regmove_optimize and
3676 combine_stack_adjustments.
3678 2006-01-17 Roger Sayle <roger@eyesopen.com>
3680 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3681 (size_cost): Encode costs in bytes so that a reg-reg addition is
3682 equivalent to COSTS_N_INSNS(1).
3683 (override_options): Use the size_cost.branch_cost as the default
3684 ix86_branch_cost when optimizing for size.
3686 2006-01-18 Ben Elliston <bje@au.ibm.com>
3688 * Makefile.in (D32PBIT_FUNCS): New.
3689 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3690 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3691 D64PBIT_FUNCS and D128PBIT_FUNCS.
3692 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3693 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3695 (decnumber_dep): Define.
3696 * doc/libgcc.texi (Decimal float library routines): New node.
3697 * config/dfp-bit.h, config/dfp-bit.c: New files.
3699 2006-01-18 Ben Elliston <bje@au.ibm.com>
3701 * expr.c (emit_move_change_mode): Always adjust addresses, not
3702 just during reload. Copy replacements only during reload.
3703 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3704 emit_move_via_integer.
3706 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3708 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3709 instead of $(srcdir) and ${srcdir}.
3711 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3715 * arm.h (struct machine_function): Add pic_reg.
3716 * arm.c (arm_pic_register): Make unsigned.
3717 (arm_override_options): Only set arm_pic_register if
3718 TARGET_SINGLE_PIC_BASE.
3719 (use_return_insn): Only test for a pic register if it is fixed.
3720 (arm_compute_save_reg0_reg12_mask): Likewise.
3721 (thumb_compute_save_reg_mask): Likewise.
3722 (legitimate_pic_operand): Factor out some known invariants.
3723 (legitimize_pic_address): If we don't have a fixed pic register,
3724 then set up a pseudo in the function entry sequence. Handle the
3725 pic base being in a pseudo.
3726 (arm_load_pic_register): Handle the pic register being in a pseudo.
3727 (arm_expand_prologue): Only set up the pic register if it is fixed.
3728 (thumb_expand_prologue): Likewise.
3729 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3730 (pic_load_addr_based_insn): Likewise.
3731 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3734 2006-01-18 Ben Elliston <bje@au.ibm.com>
3736 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3737 decimal float modes for all floating point registers.
3739 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3740 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3742 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3745 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3746 even when the pointer is not NULL.
3748 2006-01-16 Ian Lance Taylor <ian@airs.com>
3750 * common.opt (ftoplevel-reorder): New option.
3751 * cgraph.c (cgraph_asm_nodes): New global variable.
3752 (cgraph_asm_last_node): New static variable.
3753 (cgraph_order): New global variable.
3754 (cgraph_create_node): Set new order field.
3755 (cgraph_varpool_node): Likewise.
3756 (decide_is_variable_needed): Return true if not
3757 flag_toplevel_reorder.
3758 (cgraph_add_asm_node): New function.
3759 * cgraph.h (struct cgraph_node): Add order field.
3760 (struct cgraph_varpool_node): Add order field.
3761 (struct cgraph_asm_node): Define.
3762 (cgraph_asm_nodes, cgraph_order): Declare.
3763 (cgraph_add_asm_node): Declare.
3764 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3766 (cgraph_varpool_assemble_pending_decls): Call it.
3767 (cgraph_output_pending_asms): New static function.
3768 (cgraph_finalize_compilation_unit): Call it.
3769 (struct cgraph_order_sort): Define.
3770 (cgraph_output_in_order): New static function.
3771 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3772 !flag_toplevel_reorder case.
3773 * c-parser.c: Include "cgraph.h".
3774 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3776 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3777 than -fno-unit-at-a-time.
3778 * doc/invoke.texi (Option Summary): Mention
3779 -fno-toplevel-reorder.
3780 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3781 -funit-at-a-time documentation.
3783 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3784 Kazu Hirata <kazu@codesourcery.com>
3786 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3788 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3790 * Makefile.in (FUNCTION_H): New. Use it instead of
3791 function.h throughout the file.
3792 * function.h: Include tree.h.
3794 2006-01-17 Ben Elliston <bje@au.ibm.com>
3796 * recog.c: Separate some functions with whitespace.
3798 2006-01-16 Richard Henderson <rth@redhat.com>
3800 Merge from gomp branch:
3801 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3802 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3803 and rename from struct inline_data. Rename callee* to dst*;
3804 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3805 transform_new_cfg, transform_return_to_modify, and
3806 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3808 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3809 (copy_decl_for_dup): Remove.
3810 * tree-inline.c (struct inline_data): Move to header.
3811 (insert_decl_map): Export.
3812 (remap_decl): Update for member name changes. Use copy_decl hook.
3813 Allow for replacement to be a non-decl. Remove dead code.
3814 (remap_type_1): Check for existing mapping.
3815 (remap_type): Export.
3816 (remap_decls): Update for member name changes.
3817 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3818 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3819 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3820 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3821 (tree_function_versioning, build_duplicate_type): Likewise.
3822 (copy_body_r): Likewise. Export.
3823 (copy_decl_for_dup): Split into ...
3824 (copy_decl_for_dup_finish, copy_decl_to_var,
3825 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3826 (replace_ref_tree, inlining_p): Remove.
3828 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3830 * ifcvt.c (if_convert): Make it static.
3831 * rtl.h: Remove the prototype for if_convert.
3833 * local-alloc.c (local_alloc): Make it static.
3834 * rtl.h: Remove the prototype for local_alloc.
3836 * loop.c (loop_optimize): Make it static.
3837 * cfgloop.h: Remove the prototype for loop_optimize.
3840 2006-01-16 DJ Delorie <dj@redhat.com>
3842 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3845 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3847 * pa.md: Disparage copies between general and floating-point registers
3848 in 32-bit move patterns.
3850 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3853 * Makefile.in (check-%): Depend on site.exp instead of
3854 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3857 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3859 * global.c (global_alloc): Make it static.
3860 * rtl.h: Remove the prototype for global_alloc.
3862 2006-01-16 Richard Guenther <rguenther@suse.de>
3864 * tree-ssa-alias.c (struct used_part): Add write_only field.
3865 (get_or_create_used_part_for): Initialize it to true.
3866 (create_overlap_variables_for): Don't create structure variables
3867 for structures that only are written to.
3868 (find_used_portions): Handle MODIFY_EXPR to track whether a
3869 structure is only written to.
3871 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3873 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3875 * basic-block.h: Remove the prototype for
3876 partition_hot_cold_basic_blocks.
3878 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3880 * cppspec.c (lang_specific_spec_functions): Remove.
3881 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3882 * gcc.h (lang_specific_spec_functions): Remove.
3883 * gccspec.c (lang_specific_spec_functions): Remove.
3885 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3887 * combine.c (record_value_for_reg): Invalidate registers
3889 (record_dead_and_set_regs_1): Likewise, by passing them to
3890 record_value_for_reg.
3891 (record_dead_and_set_regs): Invalidate stores made by a
3892 call. We do not combine across a call, but we still
3893 relied on equivalences.
3895 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3897 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3898 vrp_int_const_binop returning non-constant nodes.
3900 2006-01-16 Paul Brook <paul@codesourcery.com>
3902 * config/m68k/m68k.c (output_move_const_into_data_reg):
3903 Output correct mnemonic for mvz and mvs.
3905 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3907 * rtl-factoring.c: Add sequence abstraction algorithm.
3908 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3909 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3911 (block_has_preserve_label): New function.
3912 * common.opt: Register new pass.
3913 * Makefile.in: Ditto.
3915 * timevar.def: Ditto.
3916 * tree-pass.h: Ditto.
3917 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3918 * rtl.h (make_jump_insn_raw): Add forward decl.
3919 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3921 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3922 Roger Sayle <roger@eyesopen.com>
3924 * fold-const.c (fold_minmax): New static function.
3925 (fold_binary) <MIN_EXPR>: Call it.
3926 <MAX_EXPR>: Likewise.
3927 * stor-layout.c (place_field): Use DECL_SIZE consistently
3928 in the computation of the new record size.
3930 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3932 * cse.c (cse_condition_code_reg): Make it static.
3933 * rtl.h: Remove the prototype for cse_condition_code_reg.
3935 * combine.c (combine_instructions): Make it static.
3936 * rtl.h: Remove the prototype for combine_instructions.
3938 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3941 * tree.c (get_file_function_name_long): Concatenate the first global
3942 object name with a string derived from the input filename of the object
3945 2006-01-16 Ben Elliston <bje@au.ibm.com>
3947 * config/i386/winnt-stubs.c: Update FSF address.
3948 * config/xtensa/ieee754-df.S: Ditto.
3949 * config/xtensa/ieee754-sf.S: Ditto.
3951 2006-01-14 Ian Lance Taylor <ian@airs.com>
3953 * ifcvt.c (noce_init_if_info): New static function, broken out of
3954 noce_process_if_block.
3955 (noce_process_if_block): Call noce_init_if_info.
3956 (check_cond_move_block): New static function.
3957 (cond_move_process_if_block): New static function.
3958 (process_if_block): Call cond_move_process_if_block.
3960 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3962 * cselib.c (hash_table): Rename to cselib_hash_table.
3963 (cselib_clear_table, discard_useless_values,
3964 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3965 cselib_init, cselib_finish): Adjust uses of hash_table.
3967 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3969 PR tree-optimization/25485
3970 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3971 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3972 is known to be false and true, respectively.
3974 2006-01-14 Richard Guenther <rguenther@suse.de>
3976 PR tree-optimization/22548
3977 PR tree-optimization/22555
3978 PR tree-optimization/22501
3979 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3980 * params.def (salias-max-array-elements): New parameter.
3981 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3982 * doc/invoke.texi (salias-max-array-elements): Document.
3983 * tree-flow-inline.h (var_can_have_subvars): We also handle
3985 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3987 * tree-ssa-structalias.c (params.h): Include.
3988 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3989 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3990 (get_constraint_for): For ADDR_EXPR operating on something
3991 containing an ARRAY_REF, add all subvars to the solution.
3992 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3993 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3994 for creating MUST_DEFs.
3995 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3997 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3999 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4001 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4002 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4003 number_of_iterations_le): New functions.
4004 (number_of_iterations_special): Removed.
4005 (number_of_iterations_exit): Do not use number_of_iterations_special.
4006 * tree.c (unsigned_type_for): Always return integer type.
4008 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4009 Richard Guenther <rguenther@suse.de>
4011 PR rtl-optimization/24257
4012 * gcse.c (find_moveable_store): Only consider a store movable
4013 when the SET_SRC of the insn can be assigned to a register.
4015 2006-01-14 Ian Lance Taylor <ian@airs.com>
4017 * tree.c (tree_not_class_check_failed): New function.
4018 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4019 (tree_not_class_check_failed): Declare.
4021 2006-01-13 Ian Lance Taylor <ian@airs.com>
4023 * reload1.c (do_output_reload): Add assertion rejecting a
4026 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4028 * combine.c (struct reg_stat): Add new fields truncation_label and
4030 (record_value_for_reg): Reset truncated_to_mode.
4031 (record_truncated_value): New function.
4032 (check_promoted_subreg): Call it. Rename to check_conversions.
4033 (combine_instructions): Rename check_promoted_subreg to
4035 (reg_truncated_to_mode): New function.
4036 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4037 (gen_lowpart_or_truncate): New function.
4038 (force_to_mode): Use it instead of gen_lowpart.
4040 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4042 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4043 VAR is a tag, not its type tag.
4045 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4047 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4048 alternatives to match style of other entries.
4049 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4051 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4053 PR tree-optimization/25771
4054 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4057 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4060 * tree-inline.c (declare_return_variable): If the return variable
4061 was marked as a non gimple complex, set the return slot variable
4062 to be a non gimple comple variable.
4064 2006-01-13 Richard Guenther <rguenther@suse.de>
4066 * builtins.c (expand_builtin_sincos): New function.
4067 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4069 (expand_builtin): Expand sincos using expand_builtin_sincos.
4071 2006-01-12 DJ Delorie <dj@redhat.com>
4073 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4074 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4075 so that constant shifts can be split.
4076 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4077 (m32c_valid_pointer_mode): Make static.
4078 (shift_gen_func_for): New.
4079 (m32c_prepare_shift): Use it. Split large const shifts into
4081 * config/m32c/predicates.md (shiftcount_operand): Allow more
4083 (longshiftcount_operand): New.
4084 * doc/md.texi (Machine Constraints): Document In6.
4086 2006-01-13 Ben Elliston <bje@au.ibm.com>
4088 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4089 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4092 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4094 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4095 to try to avoid clobbering pieces of structures when we know
4096 something about the whole structure.
4097 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4099 2006-01-13 Ben Elliston <bje@au.ibm.com>
4101 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4102 return in memory, as this is no limitation is no longer present.
4104 2006-01-12 DJ Delorie <dj@redhat.com>
4106 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4107 mova with fb, and for fb+0 -> An.
4109 * config/m32c/mov.md (peephole2): Fix enabling logic.
4111 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4112 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4113 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4114 FINI_ARRAY_SECTION_ASM_OP): Define.
4116 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4118 (m32c_legitimize_reload_address): New logic to reload FB to An.
4119 (m32c_output_reg_push): Add newline.
4120 (m32c_output_reg_pop): Likewise.
4122 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4124 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4126 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4128 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4130 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4132 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4135 2006-01-11 Ben Elliston <bje@au.ibm.com>
4137 * rtlanal.c (find_reg_note): Assert insn is not null.
4139 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4141 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4144 2006-01-11 Jeff Law <law@redhat.com>
4146 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4148 (mark_threaded_blocks, register_jump_thread): New functions.
4149 (thread_through_all_blocks): Remove unwanted argument. No
4150 longer rely on e->aux to communicate thread target info.
4151 Call mark_threaded_blocks. Release the threaded_blocks
4152 bitmap and threaded_edges vector when complete.
4153 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4154 (threaded_blocks): Remove.
4155 (tree_ssa_dominator_optimize): Remove initialization and
4156 finalization of threaded_blocks. Simplify call to
4157 thread_through_all_blocks.
4158 (thread_across_edge): Call register_jump_thread rather than
4159 storing thread information into e->aux.
4160 (free_all_edge_infos): Simplify now that e->aux is no longer
4161 used to communicate with thread_through_all_blocks.
4162 * tree-flow.h (thread_through_all_blocks): Update prototype.
4163 (register_jump_thread): Prototype.
4165 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4167 * df-core.c (df_compact_blocks, df_bb_replace): Use
4168 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4170 2006-01-11 Richard Guenther <rguenther@suse.de>
4172 PR tree-optimization/25734
4173 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4174 stop propagation after successful propagation to the LHS.
4176 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4178 * basic-block.h (control_flow_graph): Change the type of
4179 x_basic_block_info to VEC(basic_block,gc) *.
4180 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4182 (SET_BASIC_BLOCK): New.
4183 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4184 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4185 * cfgbuild.c (find_basic_blocks): Likewise.
4186 * cfglayout.c (fixup_reorder_chain): Likewise.
4187 * cfgrtl.c (create_basic_block_structure,
4188 rtl_create_basic_block): Likewise.
4189 * ifcvt.c (find_if_case_1): Likewise.
4190 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4193 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4195 * Makefile.in: Removed rotted odf.c entry.
4197 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4200 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4201 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4202 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4203 output pattern modifier, not %e.
4204 * config/cris/cris.c (cris_op_str): Update comment about pattern
4206 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4207 before falling through into...
4208 <case 'E'>: Redefined from old 'e' case.
4210 2006-01-11 Jan Hubicka <jh@suse.cz>
4213 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4215 2006-01-11 Jan Hubicka <jh@suse.cz>
4217 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4218 * i386.c (x86_decompose_lea): Kill.
4219 (ix86_rtx_costs): Kill.
4221 2006-01-11 Jan Hubicka <jh@suse.cz>
4223 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4224 * cgraph.h (cgraph_node): Add inline_decl.
4225 (cgraph_insert_node_to_hashtable): Declare.
4226 (save_inline_function_body): Declare.
4227 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4229 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4230 (cgraph_function_versioning): Update call of tree_function_versioning.
4231 (save_inline_function_body): New function.
4232 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4233 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4234 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4235 (cgraph_default_inline_p): Likewise.
4236 (cgraph_decide_inlining_incrementally): Likewise.
4237 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4238 (copy_bb): Kill saving; do updating of clones.
4239 (copy_cfg_body): Kill saving.
4240 (initialize_inlined-parameters): Likewise.
4241 (expand_call_inline): Likewise.
4243 (tree_function_versioning): New parameter "update_clones".
4244 (inlining_p): Kill saving.
4245 * tree-inline.h (tree_function_versioning): Update prototype.
4246 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4249 2006-01-11 Ian Lance Taylor <ian@airs.com>
4251 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4252 Allow undoing set of machine mode.
4253 (do_SUBST): Use enums instead of is_int.
4254 (do_SUBST_MODE): New function.
4255 (SUBST_MODE): New macro.
4256 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4257 reg and trying to replace reg_regno_rtx with a new register.
4258 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4259 (simplify_set): Use SUBST_MODE.
4260 (distribute_notes): Remove code that tried to update reg notes
4261 for regno_reg_rtx changes.
4263 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4265 PR tree-optimization/23109
4266 PR tree-optimization/23948
4267 PR tree-optimization/24123
4269 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4270 * tree-cfg.c (single_noncomplex_succ): New.
4271 * tree-flow.h (single_noncomplex_succ): Declare it.
4272 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4273 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4274 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4275 insert_bb, register_division_in, insert_reciprocals,
4276 replace_reciprocal, free_bb): New.
4277 (execute_cse_reciprocals_1): Rewritten.
4278 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4279 Do not commit any edge insertion. Always compute dominators and
4280 create the allocation pool.
4281 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4282 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4283 * targhooks.c (default_min_divistions_for_recip_mul): New.
4284 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4285 * passes.c (init_optimization_passes): Run recip after tree loop
4287 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4289 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4290 Kenneth Zadeck <zadeck@naturalbridge.com>
4292 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4293 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4294 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4295 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4296 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4297 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4298 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4299 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4300 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4301 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4302 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4303 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4304 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4305 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4306 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4307 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4308 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4309 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4310 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4311 DF_SCAN_POST_ALLOC): New macros.
4312 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4313 df_free_bb_function, df_local_compute_function, df_init_function,
4314 df_dataflow_function, df_confluence_function_0,
4315 df_confluence_function_n, df_transfer_function,
4316 df_finalizer_function, df_free_function, df_dump_problem_function,
4317 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4318 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4319 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4320 df_urec_bb_info, ) New types.
4321 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4323 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4324 df_analyze_simple_change_some_blocks,
4325 df_analyze_simple_change_one_block, df_compact_blocks,
4326 df_bb_replace, df_bb_regno_last_use_find,
4327 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4328 df_insn_regno_def_p, df_find_def, df_find_use,
4329 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4330 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4331 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4332 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4333 debug_df_chain, df_get_dependent_problem, df_chain_create,
4334 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4335 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4336 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4337 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4338 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4339 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4340 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4341 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4342 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4343 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4344 df_reorganize_refs, df_set_state, df_hard_reg_init,
4345 df_read_modify_subreg_p) New public functions.
4346 * df-core.c: The core dataflow solver and glue routines for rtl
4348 (df_init, df_add_problem, df_set_blocks, df_finish,
4349 df_hybrid_search_forward, df_hybrid_search_backward,
4350 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4351 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4352 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4353 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4354 df_reg_defined, df_find_use, df_reg_used, df_dump,
4355 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4356 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4357 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4358 debug_df_useno, reset_df_after_reload): New functions.
4359 * df-scan.c: The scanning fuctions, once in df.c, completely
4360 rewritten so that they now fully model the functionality of
4361 register usage at the backend.
4362 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4363 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4364 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4365 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4366 df_get_artificial_defs, df_get_artificial_uses,
4367 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4368 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4369 df_refs_delete, df_reorganize_refs, df_set_state,
4370 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4371 df_def_record_1, df_defs_record, df_uses_record,
4372 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4373 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4374 df_record_exit_block_uses, df_hard_reg_init): New functions.
4376 * df-problems.c: Seven concrete dataflow problems that use the
4377 scanning in df-scan.c and are solved by the engine in df-core.c.
4378 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4379 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4380 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4381 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4382 df_ru_free_bb_info, df_ru_alloc,
4383 df_ru_bb_local_compute_process_def,
4384 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4385 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4386 df_ru_transfer_function, df_ru_free, df_ru_dump,
4387 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4388 df_rd_free_bb_info, df_rd_alloc,
4389 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4390 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4391 df_rd_transfer_function, df_rd_free, df_rd_dump,
4392 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4393 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4394 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4395 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4396 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4397 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4398 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4399 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4400 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4401 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4402 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4403 df_urec_mark_reg_use_for_earlyclobber,
4404 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4405 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4406 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4407 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4408 df_chain_create_bb_process_use, df_chain_create_bb,
4409 df_chain_finalize, df_chain_free, df_chains_dump,
4410 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4411 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4412 df_reg_lifetime): New functions.
4413 * df.c: Deleted file.
4414 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4415 consistent with new df api.
4416 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4417 rest_of_handle_sms): Ditto.
4418 * web.c (unionfind_union, union_defs, entry_register, web_main):
4420 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4421 invariant_expr_equal_p, find_defs, check_dependencies,
4422 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4423 free_inv_motion_data, move_loop_invariants): Ditto.
4424 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4425 Update dependencies.
4426 (odf.c): Added defective entry that was deleted later in day.
4427 * sched-deps.c (sched_analyze_1): Ditto.
4429 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4431 * tree-ssa-operands.c (get_expr_operands): Record addressable
4432 variables directly. Do not call add_stmt_operands for CONST_DECLs
4434 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4435 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4437 2006-01-11 Ben Elliston <bje@au.ibm.com>
4439 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4440 function returns true in the positive case.
4442 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4445 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4446 for SI, DI, SF and DF modes. Add alternatives to copy between
4447 general and floating point registers to the 32-bit patterns.
4448 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4449 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4450 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4451 generating 64-bit code.
4452 * config/pa/pa.c (output_move_double): Handle copies between general
4453 and floating registers.
4455 2006-01-10 Stuart Hastings <stuart@apple.com>
4457 * config/i386/i386.md (set_got): Update.
4458 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4459 (builtin_setjmp_receiver): Mach-O support.
4460 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4461 (GOT_SYMBOL_NAME): Define.
4462 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4463 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4464 * config/i386/i386.c (override_options): Revise for Darwin.
4465 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4466 support. (darwin_x86_file_end): New. (output_set_got): Add label
4467 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4468 * config/i386/i386-protos.h (output_set_got): Likewise.
4469 * config/darwin.c (machopic_legitimize_pic_address): Update
4472 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4474 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4475 when MODE isn't BLKmode.
4477 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4479 PR rtl-optimization/25367
4480 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4482 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4485 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4486 for a negative bound.
4488 2006-01-10 Richard Guenther <rguenther@suse.de>
4490 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4491 Never override with anything constraint.
4493 2006-01-10 Jan Beulich <jbeulich@novell.com>
4495 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4496 256 bits when optimize_size.
4498 2006-01-10 Jan Beulich <jbeulich@novell.com>
4500 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4502 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4503 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4506 2006-01-10 Ben Elliston <bje@au.ibm.com>
4508 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4510 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4511 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4512 (USE_FP_FOR_ARG): Reject decimal float modes.
4513 (function_arg_advance): Likewise.
4514 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4515 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4516 point types in AltiVec vectors.
4517 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4518 (rs6000_libcall_value): Likewise.
4520 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4522 * config/xtensa/ieee754-df.S: New file.
4523 * config/xtensa/ieee754-sf.S: New file.
4524 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4525 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4526 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4528 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4530 * config/sh/predicates.md (binary_float_operator,
4531 binary_logical_operator, commutative_float_operator,
4532 equality_comparison_operator, greater_comparison_operator,
4533 less_comparison_operator, logical_operator,
4534 noncommutative_float_operator, shift_operator,
4535 symbol_ref_operand, unary_float_operator): Remove redundant
4538 2006-01-09 Jeff Law <law@redhat.com>
4540 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4541 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4542 now unused arguments. Callers updated.
4543 (eliminate_redundant_computations): Remove now unused arguments,
4545 (local_fold): Remove, no longer used.
4546 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4548 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4549 (simplify_cond): New function.
4550 (forward_propagate_into_cond): Call simplify_cond.
4552 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4554 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4555 (*vec_extractv2di_1_sse): New.
4557 2006-01-09 Ben Elliston <bje@au.ibm.com>
4559 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4561 2006-01-08 Richard Guenther <rguenther@suse.de>
4563 * tree-ssa-structalias.c (get_constraint_for): Remove
4565 (get_constraint_for_component_ref): Likewise.
4566 (do_deref): Likewise.
4567 (get_constraint_for): Likewise.
4568 (do_structure_copy): Likewise.
4569 (handle_ptr_arith): Likewise.
4570 (find_func_aliases): Likewise. Remove unused need_anyoffset
4573 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4574 Kaz Kojima <kkojima@gcc.gnu.org>
4576 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4577 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4578 (EXTRA_CONSTRAINT_C16): Remove.
4579 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4580 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4581 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4582 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4583 constants of SHmedia. Handle nested constant expressions of
4585 (andcosts): Fix the costs for SHmedia constants.
4586 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4587 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4588 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4589 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4590 (movv4hi_i, movv2si_i): Likewise.
4591 (movsi_const): Adjust the second operand of ior so to match with
4593 (movdi_const, movdi_const_32bit): Likewise.
4594 (movdi_const_16bit+1): Don't sign-extend LOW.
4595 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4597 (*double_shori): Fix the split condition. Use GEN_INT instead
4598 of get_int_mode calls. Mask lower 16-bit of the argument of
4600 (sym2GOTPLT): Remove.
4601 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4603 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4604 instead of EXTRA_CONSTRAINT_C16.
4606 2006-01-07 Ian Lance Taylor <ian@airs.com>
4607 David Edelsohn <edelsohn@gnu.org>
4609 PR rtl-optimization/25662
4610 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4611 for constant operands instead of simplify_gen_binary.
4612 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4613 after trying simplify_binary_operation
4615 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4617 * tree.c (iterative_hash_expr): Hash decls based on UID.
4619 2006-01-06 Eric Christopher <echristo@apple.com>
4621 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4622 (TARGET_UNWIND_EMIT): Fix spelling.
4623 * target.h (gcc_target): Add except_table_label.
4624 * except.c (output_function_exception_table): Use.
4625 * varasm.c (default_emit_except_table_label): New.
4626 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4628 (asm_out): Add here.
4629 * output.h (default_emit_except_table_label): Prototype.
4630 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4631 * config/darwin.c (darwin_emit_except_table_label): Define.
4632 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4634 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4636 PR tree-optimization/18527
4637 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4638 number_of_iterations_special, number_of_iterations_exit):
4639 Move base and step of an iv to a single structure. Add
4640 no_overflow flag, and use it in # of iterations analysis.
4641 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4642 folded_casts argument.
4643 (simple_iv): Pass base and step in a structure. Set no_overflow
4645 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4646 Evaluate expensiveness of computing # of iterations instead of
4647 the final expression.
4648 * tree-scalar-evolution.h (affine_iv): New structure.
4649 (simple_iv): Declaration changed.
4650 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4651 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4652 find_givs_in_stmt): Changed due to simple_iv change.
4654 2006-01-06 Jeff Law <law@redhat.com>
4657 * tree-cfg.c (bsi_replace): Rename final argument from
4658 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4659 change (stmt -> orig_stmt).
4660 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4661 (bsi_remove): Add new argument. Remove EH information
4663 (verify_eh_throw_table_statements): New function.
4664 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4666 * tree-optimize.c (execute_free_cfg_annotations): Verify
4667 the EH throw statement table after removing annotations.
4668 * except.h (verify_eh_throw_table_statements): Prototype.
4669 * tree-flow.h (bsi_remove): Update prototype.
4670 * tree-vrp.c (remove_range_assertions): Add new argument to
4672 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4673 * tree-complex.c (expand_complex_div_wide): Likewise.
4674 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4675 * tree-tailcall.c (eliminate_tailcall): Likewise.
4676 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4677 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4678 * tree-nrv.c (tree_nrv): Likewise.
4679 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4680 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4681 (combine_blocks): Likewise.
4682 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4683 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4684 (cleanup_control_flow): Likewise.
4685 (remove_forwarder_block): Likewise.
4686 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4687 * tree-sra.c (sra_replace): Likewise.
4688 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4689 (forward_propagate_single_use_vars): Likewise.
4690 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4691 * tree-inline.c (expand_call_inline): Likewise.
4692 * tree-vect-transform.c (vect_transform_loop): Likewise.
4693 * tree-outof-ssa.c (rewrite_trees): Likewise.
4694 * tree-cfg.c (make_goto_expr_edges): Likewise.
4695 (cleanup_dead_labels): Likewise.
4696 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4697 (bsi_move_before, bsi_move_after): Likewise.
4698 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4699 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4701 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4704 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4706 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4707 on non gimple variables. Also add checks at the top for decls and
4709 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4711 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4712 and IMAGPART_EXPR for creating MUST_DEFs.
4713 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4714 and NAME_MEMORY_TAG separately from the DECLs.
4716 2006-01-06 Richard Guenther <rguenther@suse.de>
4718 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4719 annotation, if necessary.
4720 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4721 redundant calls to update_stmt.
4722 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4725 2006-01-05 Richard Henderson <rth@redhat.com>
4727 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4729 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4731 * c-typeck.c: Update copyright date.
4733 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4735 * c-typeck.c (build_c_cast): Always warn when casting
4736 from a pointer to an integer of different size, even if
4737 the node was constant.
4739 2006-01-05 Richard Guenther <rguenther@suse.de>
4741 PR tree-optimization/22555
4742 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4743 if one structure field is an array.
4744 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4745 operands even if we found a subvar, but ignore VOPs in this
4747 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4749 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4751 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4754 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4756 2006-01-05 Richard Guenther <rguenther@suse.de>
4757 Diego Novillo <dnovillo@redhat.com>
4759 * tree-pass.h (TODO_remove_unused_locals): Define.
4760 * gimple-low.c (expand_var_p, remove_useless_vars,
4761 pass_remove_useless_vars): Remove. Update all users.
4762 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4763 (remove_unused_locals): New function.
4764 * tree-flow.h (remove_unused_locals): Declare.
4765 * passes.c (execute_todo): Call remove_unused_locals if
4766 TODO_remove_unused_locals is set.
4767 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4768 * tree-ssa-dce.c (pass_dce): Likewise.
4769 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4771 2006-01-05 Richard Guenther <rguenther@suse.de>
4773 * tree-flow.h (struct fieldoff): Decompose field to
4774 type, size and decl.
4775 * tree-ssa-alias.c (create_sft): Take type as parameter.
4776 (create_overlap_variables_for): Store type, size and decl
4777 in the fieldoff structure.
4778 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4780 (push_fields_onto_fieldstack): Likewise.
4781 (create_variable_info_for): Likewise. Use offset for the
4782 SFT name if the decl is not available.
4784 2006-01-04 Paul Brook <paul@codesourcery.com>
4786 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4788 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4790 * lambda-code.c (can_put_in_inner_loop): Relax
4792 (can_put_after_inner_loop): New function.
4793 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4794 (perfect_nestify): Change to make copies and modify uses.
4796 2006-01-04 Richard Henderson <rth@redhat.com>
4798 Merge from gomp branch:
4799 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4800 via integer constant.
4801 (pragma_lex): Remove.
4802 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4803 rather than parsing it.
4804 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4805 handle_pragma_extern_prefix): Add %< %> quotes.
4806 (registered_pragmas): New.
4807 (c_register_pragma_1): New.
4808 (c_register_pragma): Use it.
4809 (c_register_pragma_with_expansion): Likewise.
4810 (c_invoke_pragma_handler): New.
4811 (init_pragma): Use cpp_register_deferred_pragma directly for
4813 * c-pragma.h (enum pragma_kind): New.
4814 (pragma_handler): New.
4815 (c_invoke_pragma_handler): Declare.
4816 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4818 * c-common.h (c_common_pch_pragma): Update decl.
4819 * Makefile.in (c-parser.o): Update dependencies.
4820 (GTFILES): Add c-pragma.h.
4821 * c-parser.c (struct c_token): Add pragma_kind.
4822 (struct c_parser): Add in_pragma.
4823 (c_lex_one_token): Always initialize keyword and pragma_kind.
4824 Extract data for CPP_PRAGMA.
4825 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4826 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4827 Don't allow CPP_PRAGMA_EOL if in_pragma.
4828 (c_parser_consume_pragma): New.
4829 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4830 (c_parser_skip_to_end_of_parameter): Likewise.
4831 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4832 (c_parser_skip_to_pragma_eol): New.
4833 (c_parser_external_declaration): Handle CPP_PRAGMA.
4834 (c_parser_compound_statement_nostart): Likewise.
4835 (c_parser_statement_after_labels): Likewise.
4836 (c_parser_pragma): New.
4837 (pragma_lex): Likewise.
4838 (c_parser_pragma_pch_preprocess): New.
4839 (c_parser_new): Merge into ...
4840 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4842 2006-01-04 Jeff Law <law@redhat.com>
4845 * tree-cfg.c (bsi_replace): Remove the original statement
4846 from the EH throw statement table.
4848 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4850 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4851 make the prototype extern "C" and add throw ().
4854 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4855 and pos non-negative and pos + len <= 32.
4856 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4857 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4858 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4861 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4862 as well as sizes not multiple of component size.
4865 * function.c (instantiate_expr): New function.
4866 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4867 walk its DECL_VALUE_EXPR with instantiate_expr.
4869 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4870 DW_OP_deref{,_size} if address isn't going to be added.
4872 2006-01-04 Ben Elliston <bje@au.ibm.com>
4874 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4875 * config/fp-bit.c: Likewise.
4877 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4879 * dominance.c: Add comment about why we use DFS numbering
4882 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4883 Richard Henderson <rth@redhat.com>
4885 Merge from gomp-branch:
4886 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4887 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4889 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4891 PR rtl-optimization/25578
4892 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4893 pass a parameter to simplify_shift_const if changing ASHIFTRT
4896 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4898 * builtins.c (get_builtin_sync_mem): New function.
4899 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4900 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4901 Call get_builtin_sync_mem to generate mem rtx.
4903 2006-01-03 Richard Guenther <rguenther@suse.de>
4906 * stmt.c (add_case_node): Make sure to clear overflow flags
4909 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4911 Merge from gomp-branch.
4912 * config/sparc/sync.md: New file.
4913 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4914 UNSPECV_LDSTUB): New constants.
4915 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4916 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4917 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4920 2006-01-03 Roger Sayle <roger@eyesopen.com>
4922 * combine.c (reg_subword_p): New predicate to test whether the
4923 destination of a set refers to a subword/piece of a register.
4924 (try_combine): Generalize the code to merge the setting of a
4925 pseudo to a constant followed by a set of a subword of that
4926 register to a constant.
4928 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4930 * basic-block.h (control_flow_graph): Change the type of
4931 x_label_to_block_map to VEC(basic_block,gc) *.
4932 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4933 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4935 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4936 VEC(basic_block,heap) *.
4937 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4938 ssa_prop_fini): Adjust the uses of cfg_blocks.
4940 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4942 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4944 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4945 hashing trees instead of a pointer hash.
4946 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4947 compare for MEM_EXPR.
4949 PR rtl-optimization/25130
4950 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4951 when comparing MEMs for GCSE
4953 2006-01-03 Ben Elliston <bje@au.ibm.com>
4955 * targhooks.h (default_decimal_float_supported_p): Declare.
4956 * targhooks.c (default_decimal_float_supported_p): Define.
4957 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4958 `default_decimal_float_supported_p'.
4959 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4961 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4963 * combine.c (apply_distributive_law <SUBREG>): Check
4964 TRULY_NOOP_TRUNCATION.
4966 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4968 * dwarf2out.c (have_switched_text_section): Delete.
4969 (have_multiple_function_sections): New.
4970 (have_location_lists): Make 'bool'.
4971 (add_AT_loc_list): Use 'true' not '1'.
4972 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4973 (output_loc_list): Use have_multiple_function_sections.
4974 (output_ranges): Likewise.
4975 (dwarf2out_begin_function): Set have_multiple_function_sections if
4977 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4978 Check function_section rather than DECL_SECTION_NAME.
4979 (dwarf2out_finish): Use have_multiple_function_sections.
4980 Don't clear have_location_lists.
4982 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4983 Jan Hubicka <jh@suse.cz>
4985 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4986 case of conditional jump jumping to the next instruction.
4987 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4988 cases of conditional jump jumping to the next instruction.
4990 2006-01-02 Jan Hubicka <jh@suse.cz>
4992 * i386.c (*_cost): Add COSTS_N_INSNS.
4993 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4995 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4998 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5000 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5002 * config/arm/arm.c (all_fpus): Fix comment typo.
5003 * config/darwin.c: Likewise.
5004 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5005 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5006 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5008 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5010 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5011 (rs6000_split_compare_and_swapqhi): New.
5012 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5013 (sync_compare_and_swapqhi_internal): New.
5014 * config/rs6000/rs6000-protos.h: Declare.
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