1 2006-06-26 Richard Guenther <rguenther@suse.de>
3 * ggc-page.c (init_ggc): Add missing element to size_lookup
7 2006-06-23 Richard Guenther <rguenther@suse.de>
9 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
11 alignment requests instead. Add verification code.
12 Add struct tree_function_decl and struct tree_binfo size to
13 extra_order_size_table. Add missing element to size_lookup
16 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
19 * fold-const.c (const_binop): Be prepared for self returning zero.
20 Simplify code handling complex values.
22 2006-06-24 Olivier Hainque <hainque@adacore.com>
24 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
25 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
28 2006-06-24 Olivier Hainque <hainque@adacore.com>
30 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
31 ARRAY_REF, so have the callback called for the low bound expression.
33 2006-06-23 Janis Johnson <janis187@us.ibm.com>
35 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
36 * c-typeck.c (c_common_type): Disallow operations on decimal float
37 types and other float types.
38 * convert.c (convert_to_real): Don't ignore conversions involving
41 2006-06-23 Olivier Hainque <hainque@adacore.com>
43 * tree.c (max_int_size_in_bytes): New function, inspired from
44 code in function.c:assign_temp.
45 * tree.h (max_int_size_in_bytes): Declare.
46 * function.c (assign_temp): Use it.
47 * gimplify.c (create_tmp_var): Relax the assertions on the type
48 properties, not mandating constant size any more.
49 (force_constant_size): New static function.
50 (gimple_add_tmp_var): Use it, forcing variable size to a
51 constant upper bound if it is not constant on entry.
53 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
56 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
57 for initialization and setting of one_only flag to ...
58 (i386_pe_encode_section_info): ...here.
59 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
60 Recheck that the symbol has not been defined.
62 2006-06-23 Richard Guenther <rguenther@suse.de>
64 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
65 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
66 alignment requests instead. Add verification code.
67 Add struct tree_function_decl and struct tree_binfo size to
68 extra_order_size_table. Add missing element to size_lookup
71 2006-06-22 Roger Sayle <roger@eyesopen.com>
72 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
75 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
76 call to lang_hooks.types.type_for_mode returned NULL_TREE.
78 2006-06-23 Ben Elliston <bje@au.ibm.com>
80 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
81 negate dn -- manipulate it directly.
83 2006-06-22 Roger Sayle <roger@eyesopen.com>
84 Steven Bosscher <stevenb.gcc@gmail.com>
87 * reload1.c (gen_reload): Call mark_jump_label on the new insns
88 generated by gen_move_insn to add REG_LABEL notes if necessary.
90 2006-06-22 Bob Wilson <bob.wilson@acm.org>
92 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
93 (leaf_entry): Remove use of MIN_ESA.
95 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
97 PR rtl-optimization/28121
98 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
101 2006-06-21 DJ Delorie <dj@redhat.com>
103 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
105 (mulhisi3_r): Likewise.
107 2006-06-21 Richard Sandiford <richard@codesourcery.com>
110 * coverage.c (coverage_counter_alloc): Leave the index type
112 (coverage_counter_alloc): Use null arguments for operands 2 and 3
115 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
117 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
118 section from the "Options for Code Generation Conventions".
120 2006-06-21 Richard Henderson <rth@redhat.com>
124 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
126 (global_symbolic_operand): Allow weak symbols, even if local_p.
128 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
130 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
131 (find_interesting_uses_address): Punt if above function returns true.
133 2006-06-21 Richard Guenther <rguenther@suse.de>
135 * configure: Regenerated.
137 2006-06-21 Joseph Myers <joseph@codesourcery.com>
139 * config/mips/mips.c (function_arg): Where one part of a
140 complex argument is in registers and the other part in the stack,
141 return a REG not a PARALLEL.
143 2006-06-21 Mark Mitchell <mark@codesourcery.com>
145 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
146 when cross-compiling. Do not substitute libstdcxx_incdir.
147 * configure: Regenerated.
149 2006-06-21 Jakub Jelinek <jakub@redhat.com>
151 * varasm.c (mergeable_string_section): Check for embedded NULs and
152 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
153 rather than TREE_STRING_LENGTH bytes.
155 2006-06-21 Richard Guenther <rguenther@suse.de>
157 * ggc-page.c (extra_order_size_table): Add var_ann_d,
158 tree_ssa_name, bitmap_element and phi_node with 4 arguments
161 2006-06-21 Richrad Guenther <rguenther@suse.de>
163 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
164 Limit iteration over the dominators.
166 2006-06-20 Roger Sayle <roger@eyesopen.com>
168 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
169 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
171 2006-06-20 Richard Guenther <rguenther@suse.de>
172 Michael Matz <matz@suse.de>
174 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
176 * alloc-pool.c (free_alloc_pool_if_empty): New function.
177 * et-forest.h (et_free_pools): Prototype new function.
178 * et-forest.c (et_free_tree_force): Free parent occurrence.
179 (et_free_pools): New function.
180 * dominance.c (free_dominance_info): Free et-forest alloc
183 2006-06-20 Roger Sayle <roger@eyesopen.com>
185 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
186 integer modes, attempt to directly construct an integer constant.
188 * fold-const.c (native_encode_vector): Determine the size of each
189 element from the vector type instead of the first vector element.
191 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
192 if all of its elements/components are constant.
193 (build_constructor_from_list): Likewise.
195 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
197 PR tree-optimization/27331
198 * tree-data-ref.c (free_data_ref): New function.
199 (create_data_ref): Fail if the data reference has unknown access
201 (free_data_refs): Use free_data_ref.
203 2006-06-19 Andrew Pinski <pinskia@gmail.com>
206 * tree-inline.c (setup_one_parameter): Strip useless
207 type conversion before adding it to the IR.
208 (declare_return_variable): Likewise.
210 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
213 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
215 2006-06-19 Mike Stump <mrs@apple.com>
217 * tree.c (variably_modified_type_p): VM arguments don't make the
220 2006-06-19 Richard Guenther <rguenther@suse.de>
222 * tree-ssa-pre.c (try_combine_conversion): Strip useless
223 type conversions after folding.
225 2006-06-19 Richard Guenther <rguenther@suse.de>
227 * ggc-page.c (extra_order_size_tab): Add entries with
228 size of struct function and basic_block.
229 (size_lookup): Extend to cover sizes up to 511.
230 (ggc_alloc_stat): Adjust user.
231 (ggc_pch_count_object): Likewise.
232 (ggc_pch_alloc_object): Likewise.
233 (ggc_pch_write_object): Likewise.
235 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
237 * tree-ssa-loop-niter.c (implies_ge_p): New function.
238 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
241 2006-06-19 Denis Chertykov <denisc@overta.ru>
243 * config/avr/libgcc.S : Correct my wrong previous commit.
245 2006-06-19 Roger Sayle <roger@eyesopen.com>
248 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
249 have stripped a SUBREG from the shift count, so we may need to
250 convert_to_mode back to the type's mode before calling make_tree.
251 Use new_amount instead of amount to avoid expanding a tree twice.
253 2006-06-19 Richard Guenther <rguenther@suse.de>
256 * fold-const.c (operand_equal_p): Check if the argument types
257 have the same precision before stripping NOPs.
259 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
261 Fix PR tree-optimization/27341
262 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
264 * tree-complex.c (pass_lower_complex): Update SMT usage.
266 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
268 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
269 Add a new alternative to the constraint strings. Add move of
270 operand 1 to 3 to the splitter definition.
271 ("doloop_si_long"): Second contraint alternative removed.
273 2006-06-08 Anatoly Sokolov <aesok@post.ru>
275 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
276 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
278 (AVR_HAVE_MOVW) Define.
279 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
280 (ASM_SPEC): Add avr25.
281 (LINK_SPEC): Add avr25.
282 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
283 (base_arch_s): Add new member 'have_movw_lpmx'.
284 (avr_arch_types): Init 'have_movw_lpmx'.
285 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
286 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
287 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
288 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
289 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
291 (avr_file_start): Do not output '.arh' derective.
292 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
293 (__do_copy_data): Use __AVR_HAVE_LPMX__.
294 * config/avr/avr.md (mcu_enhanced): Delete.
295 (mcu_have_movw): Define.
296 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
297 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
298 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
299 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
300 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
301 attiny861 and at86rf401 devices.
303 2006-06-18 Jie Zhang <jie.zhang@analog.com>
305 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
308 2006-06-17 Karl Berry <karl@gnu.org>
310 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
311 doc/gccint.texi, doc/install.texi (@dircategory): Use
312 "Software development" instead of "Programming", following
313 the Free Software Directory.
315 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
317 * config/i386/i386.c (legitimate_tls_address)
318 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
319 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
320 (*tls_dynamic_gnu2_combine_64): Likewise.
322 2006-06-16 Richard Guenther <rguenther@suse.de>
325 * fold-const.c (negate_expr_p): Do not introduce undefined
326 overflow in negating INTEGER_CSTs.
327 (fold_negate_expr): Rename from negate_expr. Revert last
328 change for folding BIT_NOT_EXPR. Change semantics to
329 return NULL_TREE for non-simplified negations. Do not
330 strip type conversions and unify type handling.
331 (negate_expr): New function, wrap around fold_negate_expr
332 but ensure building a tree always. Strip type conversions
333 here, fold to result type.
334 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
336 2006-06-16 Roger Sayle <roger@eyesopen.com>
339 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
340 that (would) return their results in stack registers.
342 2006-06-16 Michael Matz <matz@suse.de>
343 Richard Guenther <rguenther@suse.de>
345 * fold-const.c (fold_truthop): Only return new tree node if
346 we canonicalized something.
348 2006-06-16 Richard Guenther <rguenther@suse.de>
350 * function.h (enum function_frequency): Move declaration
351 out of struct function.
352 (struct function): Move bool fields and the enum to the bitfield
353 section. Reorder elements to avoid padding. Remove unused
354 fields left over from the RTL inliner removal.
355 * function.c (free_after_compilation): Do not zero removed fields.
356 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
357 (ipa-type-escape.o): Likewise.
359 2006-06-16 Richard Guenther <rguenther@suse.de>
361 * cgraph.h (struct cgraph_local_info): Turn bool elements
363 (struct cgraph_node): Likewise.
364 (struct cgraph_varpool_node): Likewise.
366 2006-06-15 Richard Guenther <rguenther@suse.de>
368 * fold-const.c (fold_truth_not_expr): Rename from
369 invert_truthvalue. Give it fold_* semantics to avoid
371 (invert_truthvalue): New function. Wrapper around
373 (optimize_minmax_comparison): Avoid creating garbage.
374 (fold_unary): Use fold_truth_not_expr for folding
376 (fold_ternary): Replace uses of invert_truthvalue with
377 fold_truth_not_expr where applicable.
378 * tree.h (fold_truth_not_expr): Prototype.
380 2006-06-16 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/27781
383 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
384 * ipa-pure-const.c (target.h): Include.
385 (analyze_function): Do not analyze functions that do not
388 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
391 * tree-dfa.c (referenced_vars_dup_list): Remove.
392 (find_referenced_vars): Remove assert.
393 (referenced_var_check_and_insert): Replace dup list with assert.
394 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
395 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
397 2006-06-15 Richard Guenther <rguenther@suse.de>
399 * tree-ssa-structalias.c (alias_get_name): Avoid creating
400 extra unused identifiers if not dumping.
401 (create_variable_info_for): Likewise.
403 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
405 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
406 (derive_constant_upper_bound): Derive more precise upper bound in
407 common cases. Return type changed to double_int.
408 (record_estimate): Reflect the changed return type of
409 derive_constant_upper_bound.
410 * double-int.c (double_int_zext, double_int_sext): Fix.
412 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
414 * configure.ac (CFLAGS): Get them from the toplevel or from the
415 configure invocation.
416 * configure: Regenerate.
417 * Makefile.in (CFLAGS): Substitute value provided by configure.
419 2006-06-14 Mark Mitchell <mark@codesourcery.com>
422 * c-common.h (c_finish_omp_atomic): Adjust declaration.
423 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
424 rather than calling add_stmt on it.
425 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
427 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
430 * reload1.c (reload): Remove registers returned by update_eliminables
431 from used_spill_regs.
433 2006-06-13 DJ Delorie <dj@redhat.com>
435 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
437 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
439 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
440 html__strip_dir, html__mkdir_p. Enhance install-html target.
441 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
442 * configure: Regenerate.
444 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
446 * fold-const.c (fold_cond_expr_with_comparison): Check for
447 Objective-C++ as language in deciding COND_EXPR transformation.
449 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
452 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
453 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
454 * config/sh/lib1funcs.h (SL, SL1): Define.
455 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
456 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
457 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
458 (OBJS_Os_4_200): New variable.
459 ($(T)libgcc-Os-4-200.a): Use it.
460 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
461 when dividing 1 and/or by 0.
463 2006-06-13 Roger Sayle <roger@eyesopen.com>
465 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
466 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
467 * configure: Regenerate.
469 2006-06-13 Jie Zhang <jie.zhang@analog.com>
471 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
472 for real instruction.
474 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
477 * haifa-sched.c (check_cfg): Handle special case.
479 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
482 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
483 Add debug_info parameter. Chain the vars to the BLOCK instead
484 of the BIND_EXPR if debug info are requested for them.
485 (pop_gimplify_context): Adjust for above change.
486 (gimple_add_tmp_var): Likewise.
487 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
489 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
490 (convert_local_reference): Likewise.
491 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
492 (finalize_nesting_tree_1): Request that debug info be emitted
495 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
497 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
500 2006-06-13 Richard Guenther <rguenther@suse.de>
503 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
505 2006-06-13 Richard Guenther <rguenther@suse.de>
507 PR tree-optimization/27830
508 * tree-inline.c (copy_body_r): For copying the operand
509 of an ADDR_EXPR make sure to fold &* afterwards.
511 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
513 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
514 lvalues in the fb_none case with side-effects.
516 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
518 * tree-flow.h: Remove the prototype for
519 compute_phi_arg_on_exit.
520 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
521 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
524 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
526 * builtins.c (expand_builtin_return_addr): Only use
527 frame_pointer_rtx when count == 0 and we are expanding
528 __builtin_return_address.
530 2006-06-12 Fred Fish <fnf@specifix.com>
532 * config/mips/mips.c (mips_file_start): Create special section
533 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
535 2006-06-11 Eric Christopher <echristo@apple.com>
538 * stor-layout.c (place_field): Remove check for
539 remaining_in_alignment when aligning at the end of a run.
541 2006-06-11 Eric Christopher <echristo@apple.com>
544 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
547 2006-06-11 Roger Sayle <roger@eyesopen.com>
550 Revert incorrect fix for PR target/27158
551 2006-05-08 Roger Sayle <roger@eyesopen.com>
552 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
553 of a reg_equiv_constant if the result is a legitimate constant.
555 2006-06-11 Roger Sayle <roger@eyesopen.com>
558 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
559 extract a CONST_VECTOR element and interpret it as an integer.
560 (vspltis_constant): Use const_vector_elt_as_int instead of the
561 macro CONST_VECTOR_ELT in order to handle FP vector modes.
562 * config/rs6000/predicates.md (easy_vector_const): Consider
563 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
565 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
568 * stor-layout.c (update_alignment_for_field): Don't add extra
569 alignment for packed non-bitfield fields in ms_bitfield_layout_p
572 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
574 * config/mips/t-rtems: Add EL/EB multilib variants.
576 2006-06-09 Mike Stump <mrs@apple.com>
578 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
580 2006-06-09 David Daney <ddaney@avtrex.com>
582 * doc/install.texi: Add binutils version recommendation for mips-*-*.
584 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
586 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
588 2006-06-09 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/26998
591 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
592 of signed types, only TYPE_MIN_VALUE is special, but for both,
593 minimum and maximum value. Likewise VR_ANTI_RANGE is special
594 in this case, as is -fwrapv.
596 2006-06-08 Mike Stump <mrs@apple.com>
599 * config/darwin.c (darwin_asm_output_anchor): Disable
600 -fsection-anchors on darwin for now.
601 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
602 * rs6000/rs6000.c (optimization_options): Likewise.
604 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
607 * config/i386/i386.c (classify_argument): Skip fields with invalid
610 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
612 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
613 (cse_insn): Likewise for the stack_pointer_rtx.
615 2006-06-08 Roger Sayle <roger@eyesopen.com>
617 * tree-ssa-dom.c (record_conditions): Only record "unordered"
618 conditions from floating point comparisons.
620 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
623 * expmed.c (struct alg_hash_entry): Fix type of field T
624 to match synth_mult argument.
625 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
627 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
630 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
633 2006-06-08 Richard Guenther <rguenther@suse.de>
636 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
637 only, if overflow is defined and not trapping.
638 (negate_expr): Likewise.
640 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
642 PR tree-optimization/27872
643 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
644 flag on the new exit edge of the unrolled loop.
646 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
648 PR rtl-optimization/26449
649 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
651 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
654 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
655 referenced_variables with matching DECL_UID's.
656 (find_referenced_vars): Make sure duplicate list is empty to start.
657 (referenced_var_p): Remove.
658 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
659 Check if var is in the list, and add if needed. Update the duplicate
660 list if a different var is in the list with the same DECL_UID.
661 (add_referenced_var): Call routine to check and insert.
662 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
663 * tree-flow.h (referenced_vars_dup_list): External declaration.
665 2006-06-07 Fred Fish <fnf@specifix.com>
667 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
670 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
673 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
674 the imaginary and real parts of a clobbered register.
675 Emit insn to set the imaginary part.
677 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
679 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
680 in lieu of unwind-dw2-fde.c.
682 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
684 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
686 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
689 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
690 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
691 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
692 V4SImode temporaries and operations instead.
694 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
696 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
699 2006-06-06 Mike Stump <mrs@apple.com>
701 * Makefile.in: Rename to htmldir to build_htmldir to avoid
702 installing during build.
704 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
706 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
708 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
709 * config/ia64/ia64.c (params.h): New header.
710 (ia64_optimization_options): New function to adjust parameters.
711 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
712 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
713 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
715 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
717 * stor-layout.c (debug_rli): Fix a typo in a debug message.
719 2006-06-05 Steve Ellcey <sje@cup.hp.com>
722 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
724 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
725 Victor Kaplansky <victork@il.ibm.com>
727 PR tree-optimization/26360
728 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
731 2006-06-04 Roger Sayle <roger@eyesopen.com>
732 Andrew Pinski <pinskia@physics.uc.edu>
735 * c-common.c (c_common_truthvalue_conversion): Explicitly check
736 for LABEL_DECL before calling DECL_WEAK.
739 * c-typeck.c (build_binary_op): Likewise, explicitly check for
740 LABEL_DECL and PARM_DECL.
742 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
746 * c-decl.c (grokdeclarator): Disallow variably modified types at
747 file scope. Avoid marking shared array type of constant size as
750 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
753 * c-common.c (fold_offsetof_1): Handle static members.
755 2006-06-04 Eric Christopher <echristo@apple.com>
757 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
758 (debug_rli): Output value for remaining_in_alignment.
759 (update_alignment_for_field): Unconditionalize
760 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
761 extra alignment code.
762 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
763 ms_bitfield_layout_p code. Rewrite handling of structure fields.
764 * tree.h (record_layout_info_s): Remove prev_packed.
765 * doc/extend.texi (ms_struct): Add documentation of format.
767 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
769 * tree.h: Declare folding_initializer.
770 * builtins.c (fold_builtin_constant_p): Give definite answer
771 if folding inside an initializer.
772 * fold-const.c: Define folding_initializer.
773 (START_FOLD_INIT): Save and then set folding_initializer.
774 (END_FOLD_INIT): Restore folding_initializer.
776 2006-06-04 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/27039
779 * fold-const.c (fold_comparison): Handle pointer comparison
780 again for all comparison codes. Compare offsets in signed
782 (fold_binary): Move code from here.
784 2006-06-03 Roger Sayle <roger@eyesopen.com>
787 * config/i386/i386.c (construct_container): Split static issued_error
788 flag into issued_sse_arg_error, issued_sse_ret_error and
789 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
790 requires the use of x87 registers and the user explicitly
791 specified the -mno-80387 command line option.
793 2006-06-02 Geoffrey Keating <geoffk@apple.com>
795 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
796 HAVE_DECL_SIGALTSTACK.
798 (segv_handler): Use MC_FLD.
799 * configure.ac: Check for a sigaltstack declaration.
800 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
801 * configure: Regenerate.
802 * config.in: Regenerate.
804 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
807 * Makefile.in (stmp-fixinc): Fix typo.
809 2006-06-02 Roger Sayle <roger@eyesopen.com>
811 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
812 are type correct. Clean-up.
813 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
814 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
816 2006-06-01 DJ Delorie <dj@redhat.com>
818 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
819 shift, as we've disabled the "switch" insn that needs it.
821 2006-06-01 Per Bothner <bothner@bothner.com>
823 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
824 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
825 * c-ppoutput.c (cb_define): Don't increment line 0.
827 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
829 * doc/invoke.texi: Add cpu_type power6.
830 * config.gcc: Add cpu_type power6.
831 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
832 to power5+ with Altivec.
833 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
834 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
836 2006-05-30 Anatoly Sokolov <aesok@post.ru>
838 * config/avr/avr.h (SET_ASM_OP): Define.
840 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
842 * config/bfin/bfin.c: Fix comment typos.
844 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
847 * doc/install.texi: Document --enable-bootstrap and
850 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
852 * doc/install.texi: Document that InfoZIP can replace jar.
854 2006-05-31 Roger Sayle <roger@eyesopen.com>
856 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
857 isn't available, directly generate the simpler x87 patterns without
858 the (use (const_int 0)).
859 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
860 implementation isn't available.
861 (*negdf2_1): Likewise.
862 (*negxf2_1): XF mode negation is always done using the x87.
863 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
865 2006-05-31 Roger Sayle <roger@eyesopen.com>
867 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
868 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
870 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
872 2006-05-31 Jie Zhang <jie.zhang@analog.com>
874 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
875 * config/bfin/bfin.c (basic-block.h): Include.
876 (struct machine_function): New.
877 (bfin_init_machine_status): New.
878 (override_options): Initialize init_machine_status.
879 (bfin_hardware_loop): New.
880 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
881 (DEF_VEC_P (loop_info)): New.
882 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
883 (struct loop_info): New.
884 (loop_info): New typedef.
885 (struct loop_work): New.
886 (loop_work): New typedef.
887 (DEF_VEC_O (loop_work)): New.
888 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
889 (bfin_dump_loops): New.
890 (bfin_bb_in_loop): New.
891 (bfin_scan_loop): New.
892 (bfin_optimize_loop): New.
893 (bfin_reorg_loops): New.
894 (bfin_reorg): Use bfin_reorg_loops.
895 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
897 (I_REGNO_P): Simplify.
898 (DP_REGNO_P, DPREG_P): New macros.
899 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
900 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
901 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
902 Add LT_REGS, LC_REGS, LB_REGS.
903 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
905 (REGNO_REG_CLASS): Deal with loop registers.
906 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
908 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
909 New constants for loop registers.
910 (UNSPEC_LSETUP_END): New.
911 (seq_insns): New define_attr. Set it for appropriate insns.
912 (movsi_insn): Add alternatives for move from/to
913 loop count registers.
914 (doloop_end): New define_expand.
915 (loop_end): New define_insn.
916 (define_split for bad doloop_end): New.
917 (lsetup_with_autoinit): New define_insn.
918 (lsetup_without_autoinit): New define_insn.
919 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
920 * config/bfin/predicates.md (lc_register_operand): New.
921 (lt_register_operand): New.
922 (lb_register_operand): New.
923 (nondp_register_operand): New.
924 (nondp_reg_or_memory_operand): New.
925 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
927 2006-05-31 Jie Zhang <jie.zhang@analog.com>
929 * config/bfin/bfin.c (bfin_delegitimize_address): New.
930 (TARGET_DELEGITIMIZE_ADDRESS): Define.
932 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
934 * Makefile.in (CATALOGS): Add po/ prefix.
935 * configure: Regenerated.
937 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
940 * arm.c (arm_print_operand case 'S'): Validate that the operand is
941 a shift operand before calling shift_op. Avoid redundant call of
944 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
945 DJ Delorie <dj@redhat.com>
947 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
948 we're inserting is a singlt-bit constant.
950 2006-05-30 Roger Sayle <roger@eyesopen.com>
952 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
953 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
955 2006-05-30 Roger Sayle <roger@eyesopen.com>
957 PR tree-optimization/23452
958 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
959 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
960 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
961 complex values and with -ffast-math for FP complex values.
963 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
965 * c-common.h: Remove the prototype for yyparse.
966 * rtl.h: Remove the prototype for init_loop.
968 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
970 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
973 2006-05-30 Roger Sayle <roger@eyesopen.com>
975 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
977 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
978 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
980 2006-05-30 Dirk Mueller <dmueller@suse.de>
983 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
984 for CONSTANT_CLASS_P expresisons.
986 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
989 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
991 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
993 PR tree-optimization/27779
994 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
995 initial_condition instead of CHREC_LEFT.
997 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
999 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1000 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1001 Make prototypes ISO C90.
1003 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1004 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1006 * see.c (see_analyze_one_def): Correct check.
1007 (see_get_extension_data): Check if extension is parallel.
1008 (see_get_extension_reg): Likewise.
1010 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1013 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1014 into register for (code == GTU).
1016 2006-05-29 Roger Sayle <roger@eyesopen.com>
1018 PR tree-optimization/24964
1019 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1020 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1021 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1022 abs(x)*abs(x) as x*x for scalar floating point modes.
1024 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1027 * lambda-code.c (perfect_nestify): Don't copy statements
1028 in the inner loop: move them to the inner loop header.
1030 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1033 * c-tree.texi: Document OpenMP directives and clauses.
1035 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1037 * varasm.c (globalize_decl): Fix indentation.
1039 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1042 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1043 pass_fre, pass_store_ccp, pass_copy_prop,
1044 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1045 pass_return_slot, pass_object_size, pass_lim,
1046 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1047 pass_loop_prefetch and pass_stdarg.
1049 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1051 * config/bfin/bfin.opt (mfdpic): New option.
1052 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1053 (EXTRA_MULTILIB_PARTS): Likewise.
1054 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1055 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1057 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1058 (CRT_CALL_STATIC_FUNCTION): New.
1059 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1061 (CRT_CALL_STATIC_FUNCTION): New.
1062 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1064 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1065 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1066 (initialize_trampoline): Changed to handle FD-PIC code generation.
1067 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1068 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1069 (override_options): Disallow -mid-shared-library -mfdpic combination.
1070 Can't do unaligned ops if FD-PIC.
1071 Turn off flag_pic if trying to generate non-id-shared-library
1072 non-fdpic code, since it's not supported.
1073 (bfin_assemble_integer): New function.
1074 (TARGET_ASM_INTEGER): Define.
1075 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1077 * config/bfin/crtn.s: Restore them.
1078 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1080 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1081 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1082 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1083 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1084 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1086 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1087 FDPIC_REGS and FDPIC_FPTR_REGS.
1088 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1089 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1090 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1091 (load_funcdescsi): New pattern.
1092 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1093 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1094 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1096 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1098 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1101 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1103 * tree-flow.h: Remove the prototype for add_type_alias.
1104 * tree-ssa-alias.c (add_type_alias): Remove.
1106 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1108 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1109 config/fr30/fr30.md, config/i386/i386-interix.h,
1110 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1111 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1112 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1113 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1114 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1115 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1116 Follow spelling conventions.
1117 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1118 Follow spelling conventions.
1120 2006-05-27 Richard Guenther <rguenther@suse.de>
1123 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1124 to produce a constant of value 1 of generic type.
1126 2006-05-27 Dirk Mueller <dmueller@suse.de>
1128 * cgraphunit.c (decide_is_function_needed): Fix wrong
1131 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1133 PR rtl-optimization/27661
1134 * reload.c (find_reloads): When reloading a VOIDmode constant
1135 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1136 use Pmode as mode of the reload register.
1138 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1140 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1141 is enabled at -O and above.
1143 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1146 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1149 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1152 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1153 for anonymous variables explicitly declared by front ends.
1155 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1157 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1158 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1159 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1160 ref-all pointers, run a finalization pass for them.
1161 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1162 (finalize_ref_all_pointers): New function.
1163 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1164 regular pointer type to a ref-all pointer type.
1165 (get_tmt_for): Return the special memory tag for ref-all pointers.
1167 2006-05-25 Richard Guenther <rguenther@suse.de>
1170 * fold-const.c (fold_binary): Do not look at the stripped
1171 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1173 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1175 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1176 for LT and GT if the computed range is effectively empty.
1178 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1181 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1182 mips_quad_format formats instead of ieee_single_format,
1183 ieee_double_format and ieee_quad_format formats, respectively.
1185 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1187 PR tree-optimization/27639
1188 PR tree-optimization/26719
1189 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1190 call to scev_probably_wraps_p.
1191 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1192 used_in_pointer_arithmetic_p, convert_step): Removed.
1193 (nowrap_type_p): New function.
1194 (scev_probably_wraps_p): Rewritten.
1195 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1196 chrec_convert if chrec_convert_aggressive might have been used.
1197 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1198 scev_direction): New functions.
1199 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1200 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1201 instead of convert_step.
1202 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1203 (convert_step): Declaration removed.
1204 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1206 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1208 * df-core.c: Added to header comments.
1209 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1210 df_ur_bb_info, df_urec_bb_info): Added comments.
1211 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1212 urec, ri problems): Fixed header comments.
1213 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1214 code from df_rd_transfer_function.
1216 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1218 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1219 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1220 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1222 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1224 * expr.c (undefined_operand_subword_p): New.
1225 (emit_move_multi_word): Do not generate move from undefined bits
1226 of a paradoxical subreg.
1228 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1230 PR rtl-optimization/27736
1231 * combine.c (replaced_rhs_value): New variable.
1232 (combine_instructions): Set it.
1233 (distribute_notes): When distributing a note in replaced_rhs_insn,
1234 check whether the value was used in replaced_rhs_value.
1236 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1239 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1240 add_referenced_var instead of add_referenced_tmp_var.
1241 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1242 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1244 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1245 tree_optimize_tail_calls_1): Use add_referenced_var.
1246 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1247 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1248 Use add_referenced_var.
1249 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1250 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1251 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1252 Use add_referenced_var.
1253 * tree-dfa.c (struct walk_state): Remove.
1254 (find_referenced_vars): Remove walk state and vars_found hash table.
1255 (make_rename_temp): Use add_referenced_var.
1256 (find_vars_r): Pass less parameters to add_referenced_var.
1257 (referenced_var_p): New. Is var in referenced_var hash table.
1258 (referenced_var_insert): Assert var isn't already in hash table.
1259 (add_referenced_var): Don't need walk_state parameter. Add var if it
1260 isn't already in the hash table.
1261 (add_referenced_tmp_var): Remove.
1262 (find_new_referenced_vars_1): Use add_referenced_var.
1263 * tree-ssa-pre.c (create_expression_by_pieces,
1264 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1265 Use add_referenced_var.
1266 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1267 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1268 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1270 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1271 vect_create_data_ref_ptr, vect_create_destination_var,
1272 vect_init_vector, vect_build_loop_niters,
1273 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1274 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1275 Use add_referenced_var.
1276 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1277 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1278 (add_referenced_var): Add prototype.
1279 * tree-ssa-structalias.c (get_constraint_for,
1280 intra_create_variable_infos): Use add_referenced_var.
1282 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1284 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1285 big-endian paradoxical subregs.
1286 * var-tracking.c (struct micro_operation_def): Document that,
1287 for modify micro operations, insn is the subsequent instruction.
1288 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1289 (var_reg_set, var_mem_set): ... new functions.
1290 (add_stores): Record subsequent insn.
1291 (compute_bb_dataflow): Use new functions for MO_USE.
1292 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1293 notes after the insn, and modify notes before the insn known
1294 to be the subsequent one.
1295 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1297 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1300 * config/i386/i386.c (ix86_expand_builtin): Use
1301 gen_sse3_monitor64 for TARGET_64BIT.
1303 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1305 PR rtl-optimization/26375
1306 PR rtl-optimization/26855
1307 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1309 (df_ru_bb_local_compute): Reversed statements and removed bogus
1310 comment explaining why they should be in wrong order.
1311 (df_ru_dump, df_rd_dump): Enhanced debug info.
1312 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1314 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1315 reaching uses and fixed space problem.
1317 2006-05-23 Jan Hubicka <jh@suse.cz>
1319 * cgraphunit.c (decide_is_function_needed): Also nested functions
1320 and functions declared inline can be optimized out at -O0.
1322 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1324 * doc/install.texi (Configuration): Remove reference to CrossGCC
1328 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1331 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1332 ix86_compare_emitted is non-NULL.
1334 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1337 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1340 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1342 PR rtl-optimization/25514
1343 * combine.c (replaced_rhs_insn): New variable.
1344 (combine_instructions): Set replaced_rhs_insn when trying to replace
1345 a SET_SRC with a REG_EQUAL note.
1346 (distribute_notes): Use replaced_rhs_insn when determining the live
1347 range of a REG_DEAD register.
1349 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1350 Anatoly Sokolov <aesok@post.ru>
1352 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1353 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1354 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1355 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1356 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1357 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1358 at90usb647, at90usb1286 and at90usb1287 devices.
1359 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1360 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1362 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1364 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1366 2006-05-22 Richard Guenther <rguenther@suse.de>
1369 2006-01-31 Richard Guenther <rguenther@suse.de>
1370 Paolo Bonzini <bonzini@gnu.org>
1372 * doc/install.texi (--disable-libgcc-math): Document.
1374 2006-05-22 Richard Guenther <rguenther@suse.de>
1377 2006-01-31 Richard Guenther <rguenther@suse.de>
1379 * doc/invoke.texi (-msselibm): Document.
1380 * target.h (expand_library_builtin): New target hook.
1381 * builtins.c (expand_builtin): Use expand_library_builtin.
1382 (default_expand_library_builtin): New function.
1383 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1384 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1385 (link_gcc_math_spec): Declare.
1386 (static_specs): Add link_gcc_math_spec.
1387 * expr.h (default_expand_library_builtin): Declare.
1388 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1389 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1390 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1391 * config/i386/i386.opt (msselibm): New target option.
1392 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1393 (ix86_init_sse_abi_builtins): New function.
1394 (ix86_expand_library_builtin): Likewise.
1395 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1396 (override_options): Handle error conditions wrt -msselibm.
1397 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1398 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1399 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1402 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1405 * c-common.c (self_promoting_args_p): Skip erroneous args.
1408 * c-decl.c (finish_struct): Skip erroneous fields.
1410 2006-05-22 Nick Clifton <nickc@redhat.com>
1412 * config/cris/cris.opt (march): Remove VarExists attribute.
1413 (max-stackframe=): Likewise.
1415 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1417 * doc/rtl.texi: Fix a typo.
1418 * see.c: Fix comment typos.
1420 * tree-ssa-structalias.h (alias_info): Remove num_references.
1422 2006-05-21 Mike Stump <mrs@apple.com>
1424 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1426 (darwin_pragma_options): Use BAD instead.
1427 (darwin_pragma_unused): Likewise.
1428 (darwin_pragma_ms_struct): Likewise.
1430 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1432 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1434 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1436 PR rtl-optimization/27671
1437 * simplify-rtx.c (simplify_relational_operation_1): Fix
1438 simplifications of (eq/ne (xor x y) y) and
1439 (eq/ne (xor x y) x).
1441 PR tree-optimization/26622.
1442 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1445 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1447 * tree-cfg.c: Prune whitespace.
1448 (debug_tree_cfg): Point to correct header containing the
1451 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1454 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1456 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1459 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1460 or sorry count is non zero.
1462 2006-05-20 Andreas Schwab <schwab@suse.de>
1464 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1466 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1467 Kenneth Zadeck <zadeck@naturalbridge.com>
1469 PR rtl-optimization/26855
1471 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1473 (df_scan_alloc): Added code to properly handle multiword hard
1474 registers and add all_blocks parameter.
1475 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1476 code to properly handle multiword hard registers.
1477 (df_rescan_blocks): Added code to remove deleted blocks from
1479 (df_ref_create_structure, df_ref_record): Added code to properly
1481 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1482 and set DF_REF_PARTIAL.
1483 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1484 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1485 (df_scan_add_problem): Added flags parameter.
1486 (df_ref_create_structure): Changed switching structure.
1487 (df_bb_refs_record): Fixed case where duplicate artificial refs
1488 were created. Changed location of flags.
1489 (df_record_entry_block_defs): Added code to make stack pointer
1490 live in entry block. Refined cases where frame pointer is needed.
1491 Changed location of flags.
1492 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1493 (df_set_state): Removed function.
1494 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1495 df_insn_create_insn_record, df_insn_refs_delete,
1496 df_ref_create_structure): Formatting changes.
1497 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1498 df_delete_basic_block): New function.
1499 (df_init): Changed location of flags.
1500 (df_add_problem): Added flags parameter and the way flags are
1502 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1503 debug_df_chain): Improved debugging output.
1504 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1505 (df_refs_chain_dump): Removed df parameter.
1506 (df_iterative_dataflow): Added consistency check.
1507 (df_prune_to_subcfg): Made public.
1508 (df_analyze_problem): Added blocks_to_init parameter and made
1510 (df_ref_record, df_bb_refs_record, df_mark_reg,
1511 df_record_exit_block_uses): Whitespace changes.
1512 (df_dump): Whitespace changes.
1513 * df.h: Some reordering to remove forward references.
1514 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1515 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1516 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1517 (dataflow.flags): New field.
1518 (df.flag): Deleted field.
1519 (df_alloc_function): Added additional bitmap parameter.
1520 (df_dependent_problem_function): New type.
1521 (df_problem.changeable_flags): New field.
1522 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1523 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1524 (df_mw_hardreg): New struct.
1525 (DF_INSN_UID_MWS): New macro.
1526 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1528 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1529 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1530 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1531 (df_set_state): Removed function.
1532 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1533 * df-problems.c (df_chain_dump): Removed df parameter.
1534 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1535 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1537 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1538 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1539 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1540 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1541 DF_REF_MUST_CLOBBER cases.
1542 (df_ru_bb_local_compute_process_def,
1543 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1544 df_lr_bb_local_compute, df_ur_bb_local_compute,
1545 df_chain_create_bb): Made subreg aware.
1546 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1547 df_lr_bb_local_compute, df_lr_bb_local_compute,
1548 df_chain_create_bb): Cleanup to use proper macros.
1549 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1550 code to fixup bitvectors.
1551 (df_ri_alloc): Cleared lifetime.
1552 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1553 df_create_unused_note): New function.
1554 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1555 REG_DEAD and REG_UNUSED notes as well as register information.
1556 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1557 df_chains_dump): Fixed crash if problem was never run.
1558 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1559 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1560 df_ri_add_problem): Processes flags in uniform manner.
1561 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1562 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1563 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1564 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1565 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1566 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1567 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1568 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1569 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1570 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1571 * see.c (see_initialize_data): Ditto.
1572 * final.c (rest_of_clean_state) Added regstack_completed.
1573 * rtl.h (regstack_completed): Ditto.
1574 * reg-stack.c (regstack_completed): Ditto.
1576 2006-05-19 Mike Stump <mrs@apple.com>
1578 * c-tree.h (default_conversion): Remove.
1579 * c-common.h (default_conversion): Add.
1581 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1583 * tree-vrp.c (valid_value_p): New function.
1584 (adjust_range_with_scev): Fail if the value of bound is not
1587 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1589 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1590 (mips_fallback_frame_state): Use syscall numbers to determine
1591 the appropriate li instruction for the current ABI. Only use
1592 __NR_sigreturn for o32.
1594 2006-05-19 Nicolas Setton <setton@adacore.com>
1596 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1597 * langhooks.c (lhd_dwarf_name): New function.
1598 * langhooks-def.h (lhd_dwarf_name): Declare.
1599 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1600 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1601 * ada/misc.c (gnat_dwarf_name): New function.
1602 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1604 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1606 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1608 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1609 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1610 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1611 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1612 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1613 determine the size of Wtype, etc.
1614 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1615 (swfloatfuncs): New variable.
1616 (dwfloatfuncs): Likewise.
1617 (lib2funcs): Remove floating-point conversion functions from
1618 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1619 the set of conversion routines needed. Allow entries to specify
1620 an object name, filename and word size. Update users accordingly.
1621 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1622 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1626 2006-02-08 Roger Sayle <roger@eyesopen.com>
1629 * config/fixtfdi.c: New libgcc source file.
1630 * config/fixunstfdi.c: New source file.
1631 * config/floatditf.c: New source file.
1632 * config/floatunditf.c: New souce file.
1633 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1634 files above instead of config/mips/_tilib.c.
1635 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1637 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1639 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1640 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1642 2006-05-18 Mike Stump <mrs@apple.com>
1644 Fix up vla, vm and [*] sematics.
1650 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1651 (c_vla_unspec_p): Add.
1652 (c_vla_type_p): Add.
1653 * c-decl.c (struct c_scope): Add had_vla_unspec.
1654 (build_array_declarator): Add support for [*].
1655 (grokdeclarator): Likewise.
1656 (grokparms): Likewise.
1657 (get_parm_info): Likewise.
1658 * c-objc-common.c (c_vla_unspec_p): Likewise.
1659 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1660 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1661 typeof when argument is a variably modified type not inside sizeof or alignof.
1662 (c_parser_direct_declarator_inner): Propagate errors.
1663 (c_parser_sizeof_expression): Add support for [*].
1664 (c_parser_parms_declarator): Initialize had_vla_unspec.
1665 (c_parser_parms_list_declarator): Likewise.
1666 * c-typeck.c (c_vla_type_p): Add.
1667 (composite_type): Add support for vla compositing.
1668 (comptypes_internal): Add support for vla compatibility.
1669 (c_expr_sizeof_expr): Evaluate vla arguments.
1670 * tree.c (variably_modified_type_p): Update comment for [*].
1672 2006-05-18 Michael Matz <matz@suse.de>
1675 * config.host: Make assignments to host_xmake_file cumulative.
1676 * config.host (*-darwin*): Test $host, not $target.
1678 2006-05-12 Stuart Hastings <stuart@apple.com>
1680 * config/i386/i386.opt (-mstackrealign): New flag.
1681 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1682 (ix86_handle_cconv_attribute): Emit error when
1683 force_align_arg_pointer attribute collides with too many regparms.
1684 (ix86_function_regparm): Limit regparms when used with
1685 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1686 Support stack-realigning prologue in non-main functions. Emit
1687 warning for nested functions under -mstackrealign, emit error for
1688 nested functions with force_align_arg_pointer attribute.
1689 * doc/extend.texi (force_align_arg_pointer): Document it.
1690 * doc/invoke.texi (-mstackrealign): Document it.
1692 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1694 PR rtl-optimization/27477
1695 * combine.c (try_combine): Don't split a parallel consisting
1696 of two sets into two individual sets if both sets reference
1699 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1701 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1702 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1704 * doc/options.texi (VarExists): Updated.
1706 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1708 * unwind-dw2.c: Add declarations for uw_update_context and
1710 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1711 detected, advance frame state and context once to skip over stub.
1713 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1717 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1718 Call rewrite_into_loop_closed_ssa only when something changed.
1719 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1720 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1721 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1722 Test for perfect_nest_p here. Fix formating.
1723 (replace_uses_equiv_to_x_with_y): Fix formating.
1724 (stmt_uses_op): Removed.
1725 (can_convert_to_perfect_nest): Removed loopivs parameter.
1726 Complete the test by checking the scalar dependences.
1727 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1730 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1733 From Dan Kegel <dank@kegel.com>:
1734 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1736 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1738 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1739 if the element type is variably modified without recursing.
1741 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1744 * tree-loop-linear.c (try_interchange_loops): Test for
1745 no data dependences.
1747 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1749 PR tree-optimization/27548
1750 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1751 range of ssa names that appear on abnormal edges.
1752 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1753 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1755 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1758 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1760 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1763 * tree.h (OMP_PARALLEL_COMBINED): Define.
1764 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1765 (new_omp_context): Add is_combined_parallel argument.
1766 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1767 new_omp_context caller.
1768 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1769 Adjust gimplify_scan_omp_clauses callers.
1770 (omp_is_private): Issue errors if iteration variable is firstprivate
1771 or reduction in the current context.
1772 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1773 on combined parallel workshare constructs.
1775 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1777 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1778 (gcc-options.o): New rule.
1780 * optc-gen.awk: Protect variables for gcc-options.o with
1781 #ifdef GCC_DRIVER/#endif.
1783 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1785 Fix PR tree-optimization/27373
1786 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1787 (forward_propagate_addr_expr): Update call.
1789 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1791 * doc/options.texi: Move the Negative option.
1793 2006-05-16 Richard Guenther <rguenther@suse.de>
1795 PR tree-optimization/22303
1796 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1798 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1799 ccp_fold did not simplify the statement.
1801 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1804 * Makefile.in (GCC_OBJS): New.
1805 (OBJS-common): Add opts-common.o.
1806 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1807 (cpp$(exeext)): Likewise.
1808 (gcc.o): Also depend on opts.h.
1809 (opts-common.o): New.
1811 * common.opt (gcoff): Add Negative(gdwarf-2).
1812 (gdwarf-2): Add Negative(gstabs).
1813 (gstabs): Add Negative(gstabs+).
1814 (gstabs+): Add Negative(gvms).
1815 (gvms): Add Negative(gxcoff).
1816 (gxcoff): Add Negative(gxcoff+).
1817 (gxcoff+): Add Negative(gcoff).
1818 * config/i386/i386.opt (m32): Add Negative(m64).
1819 (m64): Add Negative(m32).
1821 * doc/options.texi: Document the Negative option.
1823 * gcc.c: Include "opts.h".
1824 (main): Call prune_options after expandargv.
1826 * optc-gen.awk: Generate common declarations for all flag
1827 variables in options.c. Output the neg_index field.
1829 * opts.c (find_opt): Moved to ...
1830 * opts-common.c: Here. New file.
1832 * opts.h (cl_option): Add a neg_index field.
1834 (prune_options): Likewise.
1836 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1839 * omp-low.c (expand_omp_parallel): Don't assert
1840 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1841 instead search for it.
1844 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1847 2006-05-16 Andreas Schwab <schwab@suse.de>
1849 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1852 2006-05-15 Roger Sayle <roger@eyesopen.com>
1855 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1856 integer constants other than zero are only legitimate on TARGET_64BIT.
1857 <CONST_VECTOR> Only zero vectors are legitimate.
1858 (ix86_cannot_force_const_mem): Integral and vector constants can
1859 always be put in the constant pool.
1861 2006-05-16 DJ Delorie <dj@redhat.com>
1863 * crtstuff.c (__dso_handle): Set section from
1864 TARGET_LBIGCC_SDATA_SECTION if defined.
1865 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1866 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1868 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1871 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1874 2006-05-16 Ben Elliston <bje@au.ibm.com>
1876 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1878 2006-05-15 Per Bothner <per@bothner.com>
1880 * tree.c: (last_annotated_node): Use source_locus typedef.
1881 This permits bootstrapping with --enable-mapped-location.
1883 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1885 PR tree-optimization/26830
1886 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1887 (info_for_ssa_name, current_info_for_ssa_name_age,
1888 blocks_to_update): New variables.
1889 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1890 (clear_ssa_name_info, initialize_flags_in_bb,
1891 mark_block_for_update): New functions.
1892 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1893 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1894 prepare_def_site_for): Use mark_block_for_update.
1895 (mark_def_interesting): Assert that the processed block is marked in
1896 blocks_to_update. Do not take blocks argument.
1897 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1899 (rewrite_update_init_block, rewrite_update_stmt): Only process
1900 blocks with statements to rewrite.
1901 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1902 (update_ssa): Initialize and free blocks_to_update. Do not
1903 clear flags on statements. Do not use blocks bitmap.
1904 * tree.h (SSA_NAME_AUX): Removed.
1905 (struct tree_ssa_name): Removed aux field.
1906 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1908 2006-05-15 Richard Guenther <rguenther@suse.de>
1910 PR tree-optimization/27603
1911 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1912 Do computations in original type.
1914 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1916 * see.c: Code style changes such as redundant paranthesis,
1917 redundant intialization of local variables etc.
1918 (see_main): Declared now as static.
1919 * doc/invoke.texi: Update that -fsee is not enabled by
1922 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1924 * omp-low.c (check_omp_nesting_restrictions): New function.
1925 (scan_omp_1): Call it.
1928 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1929 construct, return *VAR.
1931 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1933 PR rtl-optimization/27406
1934 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1937 2006-05-14 Roger Sayle <roger@eyesopen.com>
1939 PR rtl-optimization/27538
1940 * combine.c (expand_compound_operation): Call gen_lowpart
1941 before calling simplify_shift_const.
1943 2006-05-14 Roger Sayle <roger@eyesopen.com>
1945 PR rtl-optimization/22563
1946 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1947 a fixed width bitfield, always force the intermediates into psuedos.
1949 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1952 * mkconfig.sh: Use operator = instead of == for test.
1954 2006-05-13 Nick Clifton <nickc@redhat.com>
1956 * dwarf2out.c (dbx_reg_number): Check return value from
1957 LEAF_REG_REMAP and only use it if it is valid.
1958 (multiple_reg_loc_descriptor): Likewise.
1960 2006-05-13 Richard Guenther <rguenther@suse.de>
1962 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1965 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1967 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1968 information attached to non-INSNs such as NOTEs.
1969 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1971 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1973 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1975 * config/s390/s390.md: Adjust comment describing On constraint.
1977 2006-05-11 Jan Hubicka <jh@suse.cz>
1979 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1980 to be output at -O0.
1982 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1985 * fold-const.c (size_binop): Move sanity check for arguments to
1986 the beginning of the function.
1989 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1992 2006-05-11 Richard Guenther <rguenther@suse.de>
1995 * fold-const.c (fold_unary): Handle intermediate conversion
1996 to a pointer type like intermediate conversion to an integer
1997 type in folding of (T1)(T2)var to var.
1998 Match the code to the comment in the final conversion for
1999 (T1)(T2)var to (T1)var regarding to type precision. Rather
2000 than disallow T1 being of pointer type, assert that both T1
2001 and var are of pointer type or not. Make sure not to fall
2002 over the frontends lazyness wrt array to pointer decay though.
2004 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2006 * arm.c (arm_struct_value_rtx): Delete.
2007 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2008 (arm_init_cumulative_args): Always initialize nregs to zero.
2010 2006-05-10 Richard Guenther <rguenther@suse.de>
2012 PR tree-optimization/27532
2013 * tree-object-size.c (plus_expr_object_size): Fix typo.
2015 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2018 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2019 ashrdi_const, ashrdi3): Use a scratch register.
2021 2006-05-10 Richard Guenther <rguenther@suse.de>
2023 PR tree-optimization/27302
2024 * fold-const.c (operand_equal_p): For two comparisons,
2025 try comparison of one comparison code swapped if that yields
2028 2006-05-10 Ben Elliston <bje@au.ibm.com>
2030 * tree-pretty-print.c (pretty_print_string): No need to handle
2031 '\0' as a special character.
2033 * tree.h: Include "hashtab.h".
2034 (iterative_hash_expr): Use hashval_t in its prototype.
2035 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2037 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2040 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2041 (hppa*64*-*-hpux11*): Ditto.
2042 (hppa[12]*-*-hpux11*): Ditto.
2044 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2047 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2049 2006-05-09 Michael Matz <matz@suse.de>
2051 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2052 host_extra_gcc_objs and host_xmake_file.
2053 (<*-*-linux*>): Don't overwrite host_xmake_file.
2054 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2055 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2056 (host_detect_local_cpu): Declare.
2057 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2058 * config/i386/i386.c (override_options): Handle -mtune=native
2060 * config/i386/x-i386: New file.
2061 * config/i386/driver-i386.c: New file.
2062 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2065 2006-05-09 Dirk Mueller <dmueller@suse.de>
2066 Richard Guenther <rguenther@suse.de>
2069 * fold-const.c (fold_read_from_constant_string): Relax check
2070 for matching types to matching modes.
2072 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2074 PR rtl-optimization/27335
2075 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2078 2006-05-08 Chao-ying Fu <fu@mips.com>
2079 Richard Sandiford <richard@codesourcery.com>
2081 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2082 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2083 * config/mips/mips.md (UNSPEC_SCC): New constant.
2084 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2085 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2086 (mips_emit_compare): Use it.
2087 (mips_expand_vcondv2sf): New function.
2089 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2091 Fix PR tree-optimization/27093
2092 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2093 renaming when they become not-used_alone.
2095 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2097 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2098 relocation and relocation stubs.
2100 2006-05-08 Eric Christopher <echristo@apple.com>
2102 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2105 2006-05-08 Jan Hubicka <jh@suse.cz>
2108 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2109 unused static functions are needed.
2111 2006-05-08 Roger Sayle <roger@eyesopen.com>
2114 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2115 of a reg_equiv_constant if the result is a legitimate constant.
2117 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2120 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2121 standard 80387 constants, raise the cost to prevent
2122 compress_float_constant() to generate load from memory.
2124 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2126 * config/arm/constraints.md (c): Fix a typo.
2128 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2131 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2134 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2136 (_mm_mwait): Likewise.
2138 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2140 (sse3_monitor): Make it 32bit only.
2141 (sse3_monitor64): New. 64bit monitor.
2143 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2146 * config/i386/i386.c (classify_argument): Skip fields with invalid
2149 2006-05-07 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/27409
2152 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2153 Do not try to find zero-sized subvars.
2155 2006-05-07 Richard Guenther <rguenther@suse.de>
2157 PR tree-optimization/27136
2158 * tree-ssa-loop-niter.c (get_val_for): Correct function
2159 comment, assert requirements.
2160 (loop_niter_by_eval): Stop processing if the iterated
2161 value did not simplify.
2163 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2165 * opts.c (flag_see): remove its setting at -O3.
2167 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2169 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2170 * arm/constraints.md: New file.
2171 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2172 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2173 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2174 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2175 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2176 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2177 * arm.md: Include constraints.md.
2178 (thumb_movsi_insn): Use satisfies_constraint_J.
2179 (movhi, movqi): Use satisfies_constraint_I.
2181 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2183 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2184 for atmeg a645 device.
2186 2006-05-06 Richard Guenther <rguenther@suse.de>
2188 PR tree-optimization/27151
2189 * tree-vect-transform.c (vectorizable_condition): Punt on
2190 values that have a different type than the condition.
2192 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2195 * c-parser.c (c_parser_cast_expression): Only insert casts into
2196 hash table if pointer.
2197 * function.c (used_types_insert_helper): Rename from
2199 (used_types_insert): Call used_types_insert_helper.
2200 * function.h (used_types_insert): Accept only one argument.
2202 2006-05-05 David Edelsohn <edesohn@gnu.org>
2204 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2205 scratch with output modifier.
2207 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2210 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2211 with output modifier.
2213 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2216 * config/mips/mips.c (mips_symbolic_address_p): Return true
2217 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2218 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2220 2006-05-04 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/14287
2223 PR tree-optimization/14844
2224 PR tree-optimization/19792
2225 PR tree-optimization/21608
2226 PR tree-optimization/27090
2227 * tree-ssa-pre.c (try_combine_conversion): New function.
2228 (compute_avail): After constructing the value-handle
2229 expression, use try_combine_conversion to combine NOP_EXPRs
2230 with previous value-handle expressions and use the result if it
2233 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2235 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2237 2006-05-04 Jan Hubicka <jh@suse.cz>
2240 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2242 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2244 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2245 that this only matches CONST_INTs. All users changed to VOIDmode
2248 * config/bfin/bfin.c: Include "optabs.h".
2249 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2251 (enum bfin_builtins): Add a number of fractional and vector builtins.
2252 (bfin_init_builtins): Likewise.
2253 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2254 (safe_vector_operand, bfin_expand_binop_builtin,
2255 bfin_expand_unop_builtin): New functions.
2256 (bfin_expand_builtin): Handle the new builtins.
2257 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2260 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2263 * Makefile.in (OBJS-common): Add see.o.
2264 (see.o): Add dependencies.
2265 * common.opt (fsee): New flag for the see optimization was added.
2266 * opts.c (flag_see): Initialized.
2267 * passes.c (init_optimization_passes, pass_see): New pass.
2268 * rtl.h (see_main): Declaration as extern.
2269 * timevar.def (TV_SEE): New.
2270 * tree-pass.h (pass_see): Declaration as extern.
2271 * invoke.texi (-fsee): Document.
2272 * recog.c (validate_simplify_insn): New function.
2273 * recog.h (validate_simplify_insn): Declaration as extern.
2274 * df-problems.c (df_chain_dump): Check for NULL.
2276 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2277 Daniel Berlin <dberlin@dberlin.org>
2279 * cfgrtl.c (insert_insn_bb_end_new): New function.
2280 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2282 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2284 * df.h (struct web_entry): Moved from web.c.
2285 (union_defs): Declaration as extern.
2286 (unionfind_root): Likewise.
2287 (unionfind_union): Likewise.
2288 * web.c (struct web_entry): Moved to df.h.
2289 (unionfind_root): Remove static declaration.
2290 (unionfind_union): Likewise.
2291 (union_defs): Likewise and generalize to use callback function.
2292 (web_main): Update arguments for union_defs function call.
2294 2006-05-04 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/26447
2297 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2298 produce SSA_NAME copies before the store stmt to avoid
2299 breaking exception handling.
2301 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2304 * gimplify.c (omp_is_private): If var is shared in some outer context,
2305 return false instead of true. Stop searching on parallel context
2308 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2311 * coverage.c: Use get_gcov_unsigned_t() instead of
2312 unsigned_type_node all over.
2314 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2316 PR tree-optimization/27381
2317 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2318 maintain the same immediate_use links.
2319 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2320 node rather than segfaulting.
2322 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2325 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2326 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2327 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2329 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2331 Fix PR tree-optimization/26626
2332 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2334 * tree-ssa-operands.c (access_can_touch_variable): Allow
2335 typecasting through union pointers.
2337 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2340 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2341 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2342 to find if var will be a global variable even in the nested context.
2343 (omp_copy_decl): Only check for global variable at the end, it might
2344 be overridden in outer contexts.
2345 (scan_sharing_clauses): For global variables don't create a field.
2346 (lower_rec_input_clauses): Do nothing for global shared variables.
2347 Emit a barrier at the end of ILIST if there were any decls in both
2348 firstprivate and lastprivate clauses.
2349 (lower_send_clauses): Do nothing for global variables except for
2352 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2354 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2355 of the correct signedness is returned.
2357 2006-05-02 Jeff Law <law@redhat.com>
2359 PR tree-optimization/27364
2360 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2361 multiply expressions.
2363 2006-05-02 Tom Tromey <tromey@redhat.com>
2365 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2367 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2370 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2371 -mthumb -fPIC are used.
2373 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2374 Joshua Kinard <kumba@gentoo.org>
2377 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2378 with 64-bit pointers.
2380 2006-05-02 Paul Brook <paul@codesourcery.com>
2382 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2384 (create_fix_barrier): Check that a suitable barrier location is
2386 (arm_reorg): Include ftmp->address in allowable range of addresses.
2388 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2391 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2394 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2397 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2398 around RESULT_DECL for result passed by reference.
2399 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2400 * omp-low.c (use_pointer_for_field): Don't look at
2401 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2402 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2403 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2404 time or var for passing by reference for
2405 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2406 TREE_ADDRESSABLE variables when passing by reference.
2408 * omp-low.c (dump_omp_region): Fix output formatting.
2411 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2412 (expand_omp_parallel): Likewise.
2413 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2416 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2417 on statement list containing also constructors and destructors.
2418 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2421 * except.c (duplicate_eh_regions): Fix clearing of
2422 cfun->eh->region_array entries.
2424 2006-05-01 DJ Delorie <dj@redhat.com>
2426 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2428 (gcc_cv_objdump): Likewise.
2429 * configure: Regenerated.
2431 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2434 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2435 templates for case 3 and 4.
2437 2006-05-01 DJ Delorie <dj@redhat.com>
2439 * vec.c: Include bconfig.h when appropriate.
2440 * Makefile.in (build/vec.o): Adjust dependencies.
2441 * mkconfig.sh: Make sure config.h isn't used for build machine
2444 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2446 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2448 (mark_phi_for_rewrite): New function.
2449 (insert_phi_nodes_for, mark_use_interesting): Call
2450 mark_phi_for_rewrite.
2451 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2452 (update_ssa): Initialize and free phis_to_rewrite.
2454 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2456 PR rtl-optimization/27291
2457 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2458 folded to a constant.
2460 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2462 PR tree-optimization/27283
2463 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2464 not whole # of iteration descriptions.
2465 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2466 uses abnormal ssa name.
2467 (niter_for_single_dom_exit): Ditto.
2468 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2469 return just the number of iterations.
2471 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2473 PR tree-optimization/27144
2474 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2475 (record_estimate): Only record constant upper bound.
2476 (infer_loop_bounds_from_undefined): Call
2477 compute_estimated_nb_iterations just once.
2478 (proved_non_wrapping_p): Renamed to ...
2479 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2480 (convert_step_widening, scev_probably_wraps_p): Call
2481 n_of_executions_at_most instead of proved_non_wrapping_p.
2482 (substitute_in_loop_info): Do not replace values in bounds.
2483 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2486 2006-05-01 Richard Henderson <rth@redhat.com>
2489 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2490 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2493 2006-05-01 Roger Sayle <roger@eyesopen.com>
2495 * c-typeck.c (parser_build_binary_op): Don't call the function
2496 unsigned_conversion_warning to spot operand/result type overflow.
2497 (build_binary_op): Instead, call convert_and_check instead of
2498 convert to report the problem when the operands are promoted.
2499 * c-common.c (unsigned_conversion_warning): Make static.
2500 * c-common.h (unsigned_conversion_warning): Delete prototype.
2502 2006-05-01 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/26726
2505 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2507 (find_interesting_uses_address): ... we work around here
2508 by folding INDIRECT_REFs in the substituted base.
2510 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2512 * omp-low.c (dump_omp_region): Add newlines.
2514 2006-04-30 Roger Sayle <roger@eyesopen.com>
2516 * common.opt (Woverflow): New command line option.
2517 * c-common.c (constant_expression_warning): Check warn_overflow.
2518 (overflow_waring): Pass OPT_Woverflow to warning.
2519 (unsigned_conversion_warning): Likewise.
2520 (convert_and_check): Likewise.
2521 * doc/invoke.texi: Document new command line option.
2523 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2525 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2526 TARGET_NO_FP_IN_TOC for section anchors.
2527 (optimization_options): Enable section anchors for all
2528 non-"Objective" languages.
2530 2006-04-28 Eric Christopher <echristo@apple.com>
2532 * config/darwin-c.c (darwin_ms_struct): Move this
2533 (darwin_set_default_type_attributes): and this...
2534 * config/darwin.c: ... here.
2535 * config/darwin.h (darwin_ms_struct): Declare.
2537 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2539 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2541 2006-04-28 Roger Sayle <roger@eyesopen.com>
2544 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2545 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2546 an unsigned HOST_WIDE_INT.
2547 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2549 (really_start_incremental_init): No need to call convert because
2550 bitsize_zero_node is already of type bitsizetype.
2551 (push_init_level): Extract the value of constructor_index as an
2552 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2553 (process_init_element): Likewise.
2555 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2557 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2558 value before passing to make_relative_prefix.
2560 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2563 * builtins.c (expand_builtin_memset): Expand val in original mode.
2565 2006-04-27 Eric Christopher <echristo@apple.com>
2567 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2568 with #ifndef/#endif.
2569 * config/darwin-c.c (darwin_ms_struct): New.
2570 (darwin_pragma_ms_struct): Ditto.
2571 (darwin_set_default_type_attributes): Ditto.
2572 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2573 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2574 Register ms_struct pragma.
2575 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2576 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2577 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2578 darwin_set_default_type_attributes if TARGET_MACHO.
2580 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2582 PR tree-optimization/26854
2583 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2584 * doc/tree-ssa.texi: Update immuse iterator documentation.
2585 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2586 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2587 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2588 first_safe_imm_use, next_safe_imm_use): Remove.
2589 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2590 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2591 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2592 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2593 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2594 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2595 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2596 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2597 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2598 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2599 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2600 (perfect_nestify): Use new iterator.
2601 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2603 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2604 (next_imm_name): New field in struct immediate_use_iterator_d.
2605 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2606 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2607 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2608 * tree-cfg.c (replace_uses_by): Use new iterator.
2609 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2610 * tree-ssa-operands.c (correct_use_link): Remove.
2611 (finalize_ssa_use_ops): No longer call correct_use_link.
2613 2006-04-27 Stuart Hastings <stuart@apple.com>
2615 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2616 * config/t-darwin (crt3.o): Use it.
2617 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2618 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2619 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2620 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2621 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2624 2006-04-27 Roger Sayle <roger@eyesopen.com>
2626 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2627 size, force the intermediate into a new pseudo rather instead of
2628 performing both a bitwise AND and a bitwise IOR in memory.
2630 2006-04-27 Richard Guenther <rguenther@suse.de>
2632 PR rtl-optimization/26685
2633 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2634 this one "max-flow-memory-locations".
2636 2006-04-27 Richard Guenther <rguenther@suse.de>
2638 PR tree-optimization/25148
2639 * tree-vrp.c (compare_values): Remove code dealing with
2640 comparisons against type min/max value. Honour overflow
2641 and negative constants in code dealing with comparisons
2642 of plus and minus expressions.
2643 (value_inside_range): Use fold_binary with LE_EXPR and
2644 GE_EXPR rather than compare_values.
2646 2006-04-27 Dirk Mueller <dmueller@suse.de>
2648 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2651 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2653 * basic-block.h (safe_insert_insn_on_edge): Removed.
2654 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2656 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2657 Paolo Bonzini <bonzini@gnu.org>
2660 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2661 (simplify_and_const_int): Same.
2663 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2665 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2667 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2670 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2671 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2672 cgraph_global_info_ready.
2675 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2678 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2679 either decl or init is error_mark_node.
2682 * tree-flow.h (struct omp_region): Add sched_kind.
2683 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2684 instead of extracting omp for data.
2685 (expand_omp_for): Save extracted sched_kind.
2687 2006-04-25 Roger Sayle <roger@eyesopen.com>
2689 * expmed.c (store_bit_field): Also check whether the bitsize is
2690 valid for the machine's "insv" instruction before moving the
2691 target into a pseudo for use with the insv.
2692 * config/i386/predicates.md (const8_operand): New predicate.
2693 * config/i386/i386.md (extv, extzv, insv): Use the new
2694 const8_operand predicate where appropriate.
2696 2006-04-25 DJ Delorie <dj@redhat.com>
2698 * doc/install.texi (Specific): Clarify that this is not a list of
2699 supported hosts or targets.
2701 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2703 PR rtl-optimization/26725
2704 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2705 block's BB_DIRTY flag.
2707 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2709 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2712 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2713 to print an integer.
2715 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2717 * varasm.c (align_variable): New function.
2718 (get_block_for_decl): Apply align_variable to DECL before
2719 calculating section information.
2720 (assemble_variable): Split out alignment computation.
2722 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2724 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2727 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2729 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2730 MODE_PARTIAL_INT mode.
2731 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2732 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2734 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2735 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2737 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2739 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2741 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2742 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2743 MACFLAG_IH): Likewise.
2744 (movstricthi_1): Renamed from "*movstricthi".
2745 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2746 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2747 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2748 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2749 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2750 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2751 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2752 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2753 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2754 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2755 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2756 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2757 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2758 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2759 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2761 * doc/rtl.texi (ss_ashift): Improve wording.
2763 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2765 * dwarf2out.c (verify_marks_clear): New.
2766 (prune_unused_types): Call verify_marks_clear initially, not
2769 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2771 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2772 * doc/rtl.texi: Document them.
2773 * simplify-rtx.c (simplify_unary_operation,
2774 simplify_binary_operation_1): Don't abort when we see them.
2776 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2779 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2780 * configure.ac: Completely disregard languages that are not
2782 * configure: Regenerated.
2784 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2785 Richard Guenther <rguenther@suse.de>
2787 PR tree-optimization/27236
2788 * tree-inline.c (copy_body_r): Make sure to copy
2789 TREE_THIS_VOLATILE flag.
2791 2006-04-24 Richard Guenther <rguenther@suse.de>
2794 * tree-complex.c (update_parameter_components): Don't handle
2795 unused parameters which have no default def.
2797 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2798 Richard Guenther <rguenther@suse.de>
2800 PR tree-optimization/27218
2801 * tree-inline.c (expand_call_inline): Strip useless type
2802 conversions for the return slot address.
2804 2006-04-24 Richard Guenther <rguenther@suse.de>
2806 * cfgloop.h (struct loops): Remove unused field array. Reorder
2808 (LOOP_PREFETCH): Remove.
2810 2006-04-24 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/22525
2813 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2814 variable, adjust types of generated expressions.
2816 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2818 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2819 (tree-vect-patterns.o): Likewise.
2821 (cselib.o): Likewise.
2822 (loop-doloop.o): Likewise.
2823 (regclass.o): Likewise.
2824 (reload1.o): Likewise.
2825 (explow.o): Replace target.h with $(TARGET_H).
2826 (ipa-prop.o): Likewise.
2827 (ipa-cp.o): Likewise.
2828 (ipa-inline.o): Likewise.
2829 (reorg.o): Likewise.
2830 (reg-stack.o): Likewise.
2832 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2834 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2836 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2838 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2840 * configure.ac: Completely disregard languages that are not
2842 * configure: Regenerated.
2845 * c-common.h (c_build_bitfield_integer_type): Declare.
2846 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2847 * c-common.c (c_build_bitfield_integer_type): ... here.
2849 2006-04-23 Roger Sayle <roger@eyesopen.com>
2852 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2853 a SImode SUBREG of a floating point register after no_new_pseudos.
2855 2006-04-23 Roger Sayle <roger@eyesopen.com>
2857 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2858 identify potentially eliminable registers to additionally catch
2859 VIRTUAL_INCOMING_ARGS_REGNUM.
2860 (addsi3): Update the conditions on when to use addsi_small_int.
2862 2006-04-23 Roger Sayle <roger@eyesopen.com>
2865 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2866 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2867 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2869 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2871 * fold-const.c (range_predecessor): Use operand_equal_p
2872 as the predicate for equality.
2873 (range_successor): Likewise.
2875 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2878 * config/soft-fp/op-common.h: Fix a typo.
2880 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2883 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2884 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2886 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2888 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2890 * doc/tm.texi: Fix a typo.
2892 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2894 * dwarf2out.c (struct die_struct): Document that die_sib makes
2895 a circular linked list.
2896 (FOR_EACH_CHILD): New.
2897 (reverse_die_lists): Delete.
2898 (reverse_all_dies): Delete.
2899 (add_dwarf_attr): Correct documentation.
2900 (remove_child_with_prev): New.
2901 (remove_child_TAG): Update for change to die_struct, use
2902 remove_child_with_prev.
2903 (add_child_die): Update for change to die_struct.
2904 (splice_child_die): Use remove_child_with_prev and add_child_die.
2905 (print_die): Use FOR_EACH_CHILD.
2906 (die_checksum): Likewise.
2907 (assign_symbol_names): Likewise.
2908 (output_location_lists): Likewise.
2909 (build_abbrev_table): Likewise.
2910 (calc_die_sizes): Likewise.
2911 (mark_dies): Likewise.
2912 (unmark_dies): Likewise.
2913 (unmark_all_dies): Likewise.
2914 (output_die): Likewise.
2915 (prune_unused_types_mark): Likewise.
2916 (prune_unused_types_walk): Likewise.
2917 (same_die_p): Update for change to die_struct.
2918 (break_out_includes): Likewise.
2919 (prune_unused_types_prune): Likewise.
2920 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2921 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2923 (dwarf2out_finish): Don't call reverse_all_dies.
2925 2006-04-21 Eric Christopher <echristo@apple.com>
2927 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2928 in comments and function names.
2930 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2933 * c-typeck.c (digest_init): Robustify.
2935 * c-typeck.c (pop_init_level): Simplify.
2937 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2939 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2941 2006-04-21 Paul Brook <paul@codesourcery.com>
2943 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2944 hardware floating point.
2946 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2948 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2951 2006-04-21 Nick Clifton <nickc@redhat.com>
2953 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2956 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2959 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2960 C++ lang type in traceback table for Objective-C++.
2962 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2964 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2966 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2968 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2971 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2972 were errors. Remove check for erroneous objects.
2974 2006-04-20 Jeff Law <law@redhat.com>
2976 PR tree-optimization/26854
2977 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2978 checking for zero or one use.
2979 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2980 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2981 * tree-ssa-reassoc.c (negate_value): Similarly.
2982 (reassociate_bb): Similarly.
2984 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2986 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2987 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2988 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2990 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2992 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2993 fp regs if the last fp arg doesn't fit in regs.
2995 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2998 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2999 that the last insn has the REG_INC note.
3001 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3002 Nathan Sidwell <nathan@codesourcery.com>
3005 * stor-layout.c (update_alignment_for_field): Do not align
3007 (place_union_field): Place union field at the start of the union.
3008 (place_field): Move ERROR_MARK check later, and use the current
3009 allocation position to maintain monotonicity.
3011 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3013 * dominance.c: Include timevar.h.
3014 (calculate_dominance_info): Use TV_DOMINANCE.
3015 * timevar.def (TV_DOMINANCE): New timevar.
3016 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3018 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3020 PR rtl-optimization/14261
3021 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3022 move would be an INSV insn.
3023 (noce_process_if_block): Don't optimize if the destination is a
3024 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3026 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3028 * config/s390/s390.md: Add comments with the instructions emitted
3029 by an insn pattern if macros are used.
3031 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3033 PR rtl-optimization/26026
3034 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3035 is a known power of two shifted left a variable amount.
3037 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3039 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3040 to hash table twice when the debug_str section has SECTION_MERGE.
3042 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3044 * config/soft-fp: New directory. From glibc.
3045 * config/soft-fp/t-softfp: New.
3046 * config/soft-fp/README: New.
3047 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3048 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3049 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3050 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3051 * config.gcc: Use rs6000/t-fprules-fpbit or
3052 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3054 * config/rs6000/sfp-machine.h: New. Based on glibc.
3055 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3057 * config/rs6000/t-fprules: Remove fp-bit rules.
3058 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3059 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3060 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3061 (softfp_wrap_start, softfp_wrap_end): New.
3063 2006-04-18 DJ Delorie <dj@redhat.com>
3065 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3067 2006-04-18 Devang Patel <dpatel@apple.com>
3069 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3071 2006-04-18 Nick Clifton <nickc@redhat.com>
3073 * config/sh/t-symbian: Add rule to build sh-c.o
3074 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3075 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3076 (sh_symbian_encode_section_info): Likewise.
3078 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3080 * builtins.c (expand_builtin_strcmp): Cover label definition of
3081 do_libcall with HAVE_cmpstrnsi.
3083 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3085 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3087 * function.h (temp_slot_p): New.
3088 (function): Change the type of x_used_temp_slots to
3089 VEC(temp_slot_p,gc) *.
3091 2006-04-18 Nick Clifton <nickc@redhat.com>
3093 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3094 flag_strength_reduce.
3096 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3098 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3102 Partial revert of revision 112637
3103 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3104 Dale Johannesen <dalej@apple.com>
3107 * regclass.c (struct reg_pref): Update documentation.
3108 (regclass): Set prefclass to NO_REGS if memory is the best option.
3109 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3111 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3113 PR tree-optimization/26821
3114 * tree-ssa-math-opts.c (get_constant_one): New.
3115 (insert_reciprocals): Use it.
3117 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3119 * dwarf2out.c (free_AT): Delete.
3120 (remove_AT): Update string ref counts.
3121 (remove_child_TAG): Don't call free_die.
3123 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3124 or DW_TAG_GNU_EINCL.
3125 (prune_unused_types_walk_attribs): Reset string refcounts.
3126 (prune_unused_types_update_strings): New.
3127 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3128 call free_die. Do call prune_unused_types_update_strings.
3129 (prune_unused_types): Empty debug_str_hash.
3131 2006-04-17 Roger Sayle <roger@eyesopen.com>
3133 * expr.c (expand_assignment): Optimize away no-op moves where the
3134 source and destination are equal and have no side-effects.
3136 2006-04-17 Richard Guenther <rguenther@suse.de>
3139 * reload.c (push_reload): Guard calls to get_secondary_mem
3142 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3144 * alias.c (reg_base_value, old_reg_base_value): Change the
3145 type to VEC(rtx,gc) *.
3146 (REG_BASE_VALUE, find_base_value, record_set,
3147 init_alias_analysis): Use VEC instead of VARRAY.
3149 * alias.c (alias_sets): Change the type to
3150 VEC(alias_set_entry,gc) *.
3151 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3152 VEC instead of VARRAY.
3153 (last_alias_set): Remove.
3155 * cgraph.h (cgraph_edge_p): New.
3156 Update the prototype of cgraph_function_versioning.
3157 * cgraphunit.c (cgraph_copy_node_for_versioning,
3158 cgraph_function_versioning): Use VEC instead of VARRAY.
3159 * ipa-cp.c (ipcp_insert_stage): Likewise.
3161 2006-04-16 Roger Sayle <roger@eyesopen.com>
3164 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3165 "A op B" or "A op C", we may need to convert A to the type of B and C.
3167 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3169 * target.h (struct gcc_target): Add mode_rep_extended.
3170 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3171 (init_num_sign_bit_copies_in_rep): Initialize it using
3173 (truncate_to_mode): Use it.
3174 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3175 * targhooks.h (default_mode_rep_extended): Declare it.
3176 * targhooks.c (default_mode_rep_extended): Define it.
3177 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3178 default_mode_rep_extended.
3179 (TARGET_INITIALIZER): Include it.
3180 * doc/tm.texi (Misc): Document it.
3181 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3182 (mips_truncated_to_mode): New function.
3184 2006-04-16 Roger Sayle <roger@eyesopen.com>
3187 * expr.c (compress_float_constant): Copy the narrow constant into
3188 a new pseudo before extending it to its final width.
3190 2006-04-16 Roger Sayle <roger@eyesopen.com>
3191 Andrew Pinski <pinskia@gcc.gnu.org>
3192 Dale Johannesen <dalej@apple.com>
3195 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3196 special case code to implement V8HImode and V16QImode with SSE2.
3198 2006-04-15 Roger Sayle <roger@eyesopen.com>
3200 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3201 trees are constructed with a suitable tree type.
3203 2006-04-15 Roger Sayle <roger@eyesopen.com>
3205 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3206 (integer_onep): Likewise.
3207 (integer_all_onesp): Likewise.
3208 (integer_pow2p): Likewise.
3209 (integer_nonzerop): Likewise.
3210 (real_zerop): Likewise.
3211 (real_onep): Likewise.
3212 (real_twop): Likewise.
3213 (real_minus_onep): Likewise.
3214 (int_size_in_bytes): Likewise.
3215 (host_integerp): Likewise.
3217 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3219 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3220 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3221 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3223 * tree-ssa-structalias.h (alias_info): Remove num_references.
3225 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3227 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3228 (output_bvb patterns): Likewise.
3229 * pa.c (output_bb): Use 'bb' insn for long branch case.
3230 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3231 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3232 1. Correct length operand for alternatives 1 and 2.
3233 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3234 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3236 2006-04-14 Roger Sayle <roger@eyesopen.com>
3238 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3239 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3240 were accidentally reverted by r112959.
3242 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3245 * except.h (eh_region_outermost): New prototype.
3246 * except.c (eh_region_outermost): New function.
3247 * tree-cfg.c (find_outermost_region_in_block): Use it.
3249 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3251 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3253 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3254 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3255 (init_reload, reload): Use VEC instead of VARRAY.
3256 * reload.h: Update the prototype for
3257 reg_equiv_memory_loc_varray.
3259 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3260 Eric Botcazou <ebotcazou@libertysurf.fr>
3262 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3265 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3268 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3269 to expand fallback builtin function call.
3271 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3274 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3275 and emit libcall here in case the builtin fails.
3276 (expand_builtin_strcmp): Always emit the libcall here on failure.
3278 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3280 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3281 * flow.c (reg_n_info): Change the type to
3282 VEC(reg_info_p,heap) *.
3283 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3285 * regs.h (reg_info_p): New.
3286 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3287 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3288 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3291 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3293 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3295 * params.h (MAX_SCHED_READY_INSNS): New macro.
3296 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3297 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3298 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3299 the ready list for 1 cycle during the first scheduling pass.
3300 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3302 2006-04-13 Richard Henderson <rth@redhat.com>
3305 * gimple-low.c (lower_omp_directive): Remove dead code.
3306 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3307 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3308 * omp-low.c (struct omp_region): Move to tree-flow.h.
3309 (root_omp_region): Export.
3310 (omp_regions, lookup_omp_region): Remove.
3311 (determine_parallel_type): Update for struct omp_region changes.
3312 (dump_omp_region): Dump regions with block numbers.
3313 (new_omp_region): Take type and block instead of stmt; malloc
3315 (free_omp_region_1, free_omp_regions): New.
3316 (expand_parallel_call): Take entry_stmt as argument; update for
3317 changes to omp_region.
3318 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3319 (remove_exit_barriers): New.
3320 (expand_omp_parallel): Update for struct omp_region changes.
3321 (expand_omp_synch): Likewise.
3322 (expand_omp): Likewise.
3323 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3324 (expand_omp_for_static_chunk): Likewise.
3325 (expand_omp_for): Likewise.
3326 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3327 (expand_omp_sections): Similarly, with GOMP_sections_end.
3328 (expand_omp_single): New.
3329 (build_omp_regions_1): Update for OMP_CONTINUE.
3330 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3331 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3332 OMP_SECTIONS_SECTIONS.
3333 (lower_omp_single_simple): Don't emit barrier here.
3334 (lower_omp_single_copy): Likewise.
3335 (lower_omp_single): Fix bindings, and lower to straightline now.
3336 (lower_omp_master, lower_omp_ordered): Likewise.
3337 (lower_omp_critical): Likewise.
3338 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3339 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3340 omp edges, free it afterward.
3341 (make_omp_sections_edges): Remove.
3342 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3343 (move_stmt_r): Handle OMP_CONTINUE.
3344 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3345 statement pointers to basic blocks. Add type member.
3346 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3347 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3348 * tree-inline.c (estimate_num_insns_1): Likewise.
3349 * tree-pretty-print.c (dump_generic_node): Likewise.
3350 * tree-ssa-operands.c (get_expr_operands): Likewise.
3351 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3352 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3353 (OMP_CONTINUE): New.
3354 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3355 (OMP_SECTIONS_SECTIONS): Remove.
3356 (OMP_SECTION_LAST): New.
3357 (OMP_RETURN_NOWAIT): New.
3359 2006-04-13 Roger Sayle <roger@eyesopen.com>
3361 * fold-const.c (native_encode_vector, native_interpret_real):
3362 Correct obvious mistakes in the previous check-in.
3364 2006-04-13 Roger Sayle <roger@eyesopen.com>
3366 * fold-const.c (native_encode_expr): New function to encode
3367 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3368 or VECTOR_CST into a specified buffer.
3369 (native_encode_int): New function.
3370 (native_encode_real): New function.
3371 (native_encode_complex): New function.
3372 (native_encode_vector): New function.
3373 (native_interpret_expr): Inverse of native_encode_expr to convert
3374 a target representation into an INTEGER_CST, REAL_CST etc...
3375 (native_interpret_int): New function.
3376 (native_interpret_real): New function.
3377 (native_interpret_complex): New function.
3378 (native_interpret_vector): New function.
3379 (fold_view_convert_expr): New function to constant fold/evaluate
3380 a VIEW_CONVERT_EXPR of a suitable constant expression.
3381 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3382 Change call of build1 to fold_build1 when constructing a
3385 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3386 Ulrich Weigand <uweigand@de.ibm.com>
3389 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3392 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3395 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3396 optimize to lo_sum for DFmode if !TARGET_FPRS.
3398 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3400 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3401 delete_alias_info, compute_flow_sensitive_aliasing,
3402 group_aliases): Use VEC instead of VARRAY.
3403 * tree-ssa-structalias.c (update_alias_info): Likewise.
3404 * tree-ssa-structalias.h (alias_info): Change the type of
3405 processed_ptrs to VEC(tree,heap) *.
3407 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3410 * config/sh/lib1funcs.h: New file, broken out of:
3411 * config/sh/lib1funcs.asm.
3412 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3414 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3415 * config/sh/lib1funcs-Os-4-200.asm: New file.
3416 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3417 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3418 (EXTRA_MULTILIB_PARTS): Include it.
3419 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3420 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3421 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3422 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3425 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3427 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3428 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3429 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3431 * tree-ssa-live.h: Include vecprim.h.
3432 (tree_partition_associator_d): Change the type of
3433 first_partition to VEC(int,heap) *.
3434 (tpa_first_partition): Use VEC instead of VARRAY.
3436 * Makefile.in (GTFILES): Move functions.h after tree.h.
3437 * function.c (reset_block_changes, record_block_change,
3438 check_block_change, free_block_changes): Use VEC instead of
3440 * function.h (function): Change the type of
3441 ib_boundaries_block to VEC(tree,gc) *.
3442 * tree-inline.c (copy_cfg_body): Initialize
3443 ib_boundaries_block to NULL instead of (varray_type) 0.
3445 2006-04-12 Roger Sayle <roger@eyesopen.com>
3447 * expr.c (emit_group_store): Correct operand order in call to
3448 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3449 a SUBREG_BYTE of zero.
3451 2006-04-12 Richard Guenther <rguenther@suse.de>
3453 * profile.c (compute_branch_probabilities): Remove code
3454 encapsulated in !ir_type (), which are remanents of the
3455 removed RTL profiling code.
3456 * rtl-profile.c: Remove.
3458 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3460 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3461 magic NULL_RTX comment.
3462 (function_arg): Store entire fp arg to mem if any part should go
3464 (rs6000_arg_partial_bytes): Adjust for above change.
3466 2006-04-11 Roger Sayle <roger@eyesopen.com>
3468 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3469 if it hasn't been initialized by dwarf2out_init.
3471 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3473 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3474 symbolic constants in branch patterns.
3476 2006-04-11 Roger Sayle <roger@eyesopen.com>
3478 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3480 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3482 PR rtl-optimization/27073
3483 * gcse.c (try_replace_reg): Revert last change. Continue to search
3484 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3487 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3489 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3490 aggregate types other than record and union types.
3491 (function_arg): Likewise.
3492 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3494 (function_value): In 64-bit mode, return objects that require it
3497 2006-04-11 Roger Sayle <roger@eyesopen.com>
3499 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3501 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3503 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3505 2006-04-03 Jeff Law <law@redhat.com>
3508 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3509 alias information too.
3511 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3513 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3515 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3518 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3519 (premark_used_types_helper): New.
3520 (premark_used_types): New.
3521 (gen_subprogram_die): Call premark_used_types.
3522 (prune_unused_types_walk): Do not prune perennial dies.
3523 * function.c (used_types_insert): New.
3524 * function.h (struct function): Add used_types_hash field.
3525 (used_types_insert): Add prototype.
3526 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3527 * c-parser.c (c_parser_cast_expression): Save casted types in used
3530 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3533 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3534 rs6000_explicit_options.float_gprs.
3536 2006-04-10 Roger Sayle <roger@eyesopen.com>
3538 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3539 from ix86_expand_vector_init_low_nonzero. Take an additional
3540 one_var argument indicating which element is non-zero. Support
3541 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3542 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3543 with one_var instead of ix86_expand_vector_init_low_nonzero.
3545 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3547 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3548 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3549 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3550 build/genextract.o): Depend on vecprim.h.
3551 * cfglayout.c, df-problems.c, function.c, genextract.c,
3552 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3553 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3557 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3559 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3560 Declare VECs of this type.
3561 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3562 (remove_children): Delete.
3563 (add_dwarf_attr): Use VEC routines.
3564 (add_AT_flag): Update for changes to add_dwarf_attr.
3565 (add_AT_int): Likewise.
3566 (add_AT_unsigned): Likewise.
3567 (add_AT_long_long): Likewise.
3568 (add_AT_vec): Likewise.
3569 (add_AT_string): Likewise.
3570 (add_AT_die_ref): Likewise.
3571 (add_AT_fde_ref): Likewise.
3572 (add_AT_loc): Likewise.
3573 (add_AT_loc_list): Likewise.
3574 (add_AT_addr): Likewise.
3575 (add_AT_lbl_id): Likewise.
3576 (add_AT_lineptr): Likewise.
3577 (add_AT_macptr): Likewise.
3578 (add_AT_offset): Likewise.
3579 (add_AT_range_list): Likewise.
3580 (get_AT): Use VEC_iterate.
3581 (remove_AT): Use VEC_ordered_remove.
3582 (free_die): Fold remove_children into here; have it use VEC_iterate.
3583 (print_die): Use VEC_iterate on attrs.
3584 (reverse_die_lists): Don't reverse attr lists.
3585 (die_checksum): Use VEC_iterate on attrs.
3586 (same_die_p): Likewise.
3587 (output_location_lists): Likewise.
3588 (build_abbrev_table): Likewise.
3589 (size_of_die): Likewise.
3590 (unmark_all_dies): Likewise.
3591 (output_abbrev_section): Likewise.
3592 (output_die): Likewise.
3593 (prune_unused_types_walk_attribs): Likewise.
3595 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3597 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3599 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3602 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3604 2006-04-09 Roger Sayle <roger@eyesopen.com>
3606 * expr.c (store_constructor): Don't bother clearing target if
3607 we're about to assign a vector to it using vec_init_optab.
3609 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3611 * tree-ssa-alias.c (lhs_may_store_to): New function.
3612 (recalculate_used_alone): Handle LHS of calls.
3614 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3618 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3619 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3620 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3621 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3622 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3623 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3624 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3625 stubs. Add ".align 8" directives before all ".dword" directives.
3626 (GTHREAD_USE_WEAK): Revise comment.
3627 (TARGET_ATTRIBUTE_WEAK): Define.
3628 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3629 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3630 * stublib.c: New file.
3635 * pa.md (cbranch patterns): Revise arguments used in calls to
3636 output_cbranch, output_bb and output_bvd. Add long branch length
3638 (fbranch patterns): Handle long branches.
3639 (jump): Revise length check. Revise arguments for output_lbranch call.
3640 Add long branch length attributes.
3641 (decrement_and_branch_until_zero): Add long branch length attributes.
3642 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3643 Likewise. Revise arguments for output_parallel_addb and
3644 output_parallel_movb calls.
3645 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3646 output_parallel_movb and output_parallel_addb): Update prototypes.
3647 * pa.c (output_cbranch): Revise arguments. Correct handling of
3648 nullification in long branches.
3649 (output_lbranch): Add new argument to control extraction of delay
3651 (output_bb): Handle long branches.
3652 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3653 output_parallel_addb): Likewise.
3655 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3657 PR rtl-optimization/27073
3658 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3661 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3663 * tree.h (tree_memory_tag): Add old_used_alone.
3664 (SMT_OLD_USED_ALONE): New macro.
3665 * tree-ssa-alias.c (recalculate_used_alone): Stop
3666 marking things for renaming unnecessarily.
3668 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3670 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3671 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3672 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3673 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3674 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3675 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3676 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3677 spelling convensions.
3678 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3679 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3680 typos. Follow spelling conventions.
3682 2006-04-07 DJ Delorie <dj@redhat.com>
3684 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3685 passed on the stack.
3686 (m32c_init_cumulative_args): When a function returns a structure,
3687 always pass the pointer to that return area on the stack.
3688 (m32c_function_arg_advance): Don't increment the parameter number
3689 if we're processing the returned structure pointer.
3690 (pushm_info): Reverse order of registers.
3692 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3694 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3695 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3696 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3697 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3699 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3700 chrec_fold_multiply): Same.
3701 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3702 force_expr_to_var_cost): Same.
3703 * tree-mudflap.c (mf_xform_derefs_1): Same.
3704 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3706 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3708 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3709 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3712 2006-04-07 Jan Hubicka <jh@suse.cz>
3714 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3716 2006-04-07 Richard Guenther <rguenther@suse.de>
3718 PR tree-optimization/26135
3719 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3720 loads for store copy-prop.
3721 (copy_prop_visit_stmt): Likewise.
3723 2006-04-05 Robert Millan <robertmh@gnu.org>
3725 * config/i386/linux.h: Add a comment to mark macros that are
3726 being overriden in config/k*bsd-gnu.h.
3727 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3729 * config/knetbsd-gnu.h: Ditto.
3731 2006-04-06 Jan Hubicka <jh@suse.cz>
3735 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3738 2006-04-06 Mike Stump <mrs@apple.com>
3740 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3741 for HAVE_nonlocal_goto to be consistent.
3742 (expand_builtin_nonlocal_goto): Likewise.
3743 (expand_builtin_strcmp): Use #ifdef instead of #if
3744 for HAVE_cmpstrnsi to be consistent.
3746 2006-04-05 DJ Delorie <dj@redhat.com>
3748 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3751 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3753 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3754 got-relative addressing for anything but SImode.
3756 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3757 even if the calling function doesn't modify them.
3759 2006-04-05 Richard Guenther <rguenther@suse.de>
3761 PR tree-optimization/26919
3762 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3763 to cgraph_estimate_size_after_inlining.
3765 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3767 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3769 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3771 PR tree-optimization/26996
3772 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3773 VECTOR_TYPE variables.
3775 2006-04-05 Richard Guenther <rguenther@suse.de>
3777 PR tree-optimization/26763
3778 * fold-const.c (fold_comparison): Move folding of
3779 PTR + CST CMP PTR + CST ...
3780 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3782 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3784 * doc/install.texi (Prerequisites): Refine some wording on
3785 bootstrapping and ksh.
3786 Move the version numbers of DejaGnu here from the testing section
3787 and fix casing of names.
3788 Fix markup and clarify wording for autogen requirements.
3789 Refer to GCJ instead of just java.
3790 Refer to SVN instead of CVS.
3791 Describe diffutils as useful instead of necessary.
3792 (Downloading the source): Refer to SVN instead of CVS.
3793 Adjust a link to our web site accordingly.
3794 (Configuration): Fix casing of Bison.
3795 (Building): Refer to SVN instead of CVS.
3796 Fix a sentence on the use of Bison and remove duplicate (and
3797 incorrect) version number of Bison requirement.
3798 Remove one redundant list of packages needed for building.
3799 (Specific): Avoid reference to CVS.
3801 2006-04-04 Eric Christopher <echristo@apple.com>
3803 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3804 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3805 (rs6000_handle_struct_attribute): New.
3806 (rs6000_ms_bitfield_layout_p): Ditto.
3808 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3810 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3811 NULL for dso parameter to atexit_common.
3813 2006-04-04 Eric Christopher <echristo@apple.com>
3815 * config/i386/i386.c (machopic_output_stub): Output \t
3816 between instructions and operands.
3818 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3820 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3821 satisfies_constraint_[IL] to explicit tests on value.
3823 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3825 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3826 set_nb_iterations_in_loop): Use build_int_cst instead of
3828 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3829 build_int_cst instead of convert.
3831 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3833 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3834 new value 2 for incoming.
3835 * function.c (expand_function_start): Call struct_value_rtx
3837 * config/sparc/sparc.md: Comment updated_return.
3838 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3839 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3840 struct return if sparc_std_struct_return and incoming is 2.
3841 (print_operand): Do not adjust return if
3842 sparc_std_struct_return.
3844 2006-04-04 Roger Sayle <roger@eyesopen.com>
3846 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3847 convert in the middle-end.
3848 * expr.c (store_expr, store_constructor, get_inner_reference,
3849 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3851 * tree.c (build_range_type): Likewise.
3853 2006-04-04 Tom Tromey <tromey@redhat.com>
3855 * doc/install.texi (Prerequisites): Mention jar.
3857 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3859 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3862 2006-04-04 Matthias Klose <doko@debian.org>
3864 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3865 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3868 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3870 * doc/extend.texi (Function Attributes): Rewrite visibility
3871 attribute documentation.
3872 * doc/invoke.texi (C++ Dialect Options): Rewrite
3873 -fvisibility-inlines-hidden documentation to describe something
3874 entirely different, although in practise compatible.
3875 (Code Gen Options): Warn about system headers in -fvisibility=
3878 * doc/extend.texi (Other Builtins): Document that
3879 __builtin_nan is a compile-time constant only when its argument
3882 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3884 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3885 trying to remove TRUNCATE check if all bits outside the new mode
3886 are identical to the sign bit.
3888 2006-04-03 Jeff Law <law@redhat.com>
3890 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3891 and operand scanning in some common cases.
3893 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3894 Dale Johannesen <dalej@apple.com>
3897 * regclass.c (struct reg_pref): Update documentation.
3898 (regclass): Set prefclass to NO_REGS if memory is the best option.
3899 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3900 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3901 into account. For non-registers, equate an empty preferred
3902 reload class to a `!' in the constraint; move the if clause to
3903 do so after those that reject the insn.
3904 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3906 (find_dummy_reload): Likewise.
3907 * doc/tm.texi (Register Classes): Document what it means
3908 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3909 * config/i386/i386.c (ix86_preferred_reload_class): Force
3910 using SSE registers (and return NO_REGS for floating-point
3911 constants) if math is done with SSE.
3912 (ix86_preferred_output_reload_class): New.
3913 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3914 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3915 * config/i386/i386.md: Remove # register preferences.
3917 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3920 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3921 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3922 the type of nb_iter.
3923 (instantiate_parameters_1): Convert the operands before calling
3924 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3925 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3927 2006-04-02 Roger Sayle <roger@eyesopen.com>
3929 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3930 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3932 * dojump.c (do_jump): Likewise.
3933 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3934 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3935 gimplify_boolean_expr): Likewise.
3936 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3937 * varasm.c (array_size_for_constructor): Likewise.
3938 * tree-object-size.c (compute_object_offset): Likewise.
3940 2006-04-02 Roger Sayle <roger@eyesopen.com>
3943 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3944 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3946 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3948 PR tree-optimization/26939
3949 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3951 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3953 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3954 at_stmt. Convert the type of operands before calling
3955 build_polynomial_chrec.
3956 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3958 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3959 (instantiate_parameters_1): Convert the type of operands before calling
3960 build_polynomial_chrec.
3961 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3962 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3963 reset_evolution_in_loop): Insert asserts to check the types of the
3965 (chrec_type): Moved...
3966 (eq_evolutions_p): Use operand_equal_p.
3967 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3968 the types of the operands.
3969 (chrec_type): ...here.
3970 * tree-data-ref.c (create_data_ref): Convert the operands before
3971 calling chrec_replace_initial_condition.
3972 (same_access_functions, analyze_subscript_affine_affine,
3973 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3974 (compute_subscript_distance, analyze_ziv_subscript,
3975 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3976 analyze_miv_subscript): Convert the operands before calling
3977 chrec_fold_minus or chrec_fold_plus.
3979 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3981 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3982 the dependence_relations vector.
3983 (compute_data_dependences_for_loop): Adjust call to
3984 compute_all_dependences.
3986 2006-04-01 Roger Sayle <roger@eyesopen.com>
3987 Richard Henderson <rth@redhat.com>
3989 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3990 gimple_boolify on the condition before calling gimplify_expr.
3992 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3994 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3995 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3996 the frame size. Update to use the new macros.
3997 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3998 * config/xtensa/ieee754-df.S: Likewise.
4000 2006-03-31 Richard Henderson <rth@redhat.com>
4002 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4003 (make_edges): ... here. Control fallthru creation with a local
4004 variable. Do not play with fake edges.
4005 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4006 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4009 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4011 * dwarf2.h (DW64_CIE_ID): Define.
4012 * dwarf2out.c (DWARF_CIE_ID): Define.
4013 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4014 length header. Use DWARF_CIE_ID.
4015 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4016 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4018 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4020 * config/sh/linux-atomic.asm: New file.
4021 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4023 2006-03-31 DJ Delorie <dj@redhat.com>
4025 * config/m32c/cond.md: Set condition flags properly throughout.
4026 * config/m32c/minmax.md: Likewise.
4027 * config/m32c/prologue.md: Likewise.
4028 * config/m32c/bitops.md: Likewise.
4029 * config/m32c/muldiv.md: Likewise.
4030 * config/m32c/mov.md: Likewise.
4031 * config/m32c/addsub.md: Likewise.
4032 * config/m32c/m32c.md: Likewise.
4033 * config/m32c/jump.md: Likewise.
4034 * config/m32c/shift.md: Likewise.
4036 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4037 conditionally output the pattern for this.
4038 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4039 (m32c_compare_redundant): New.
4040 (m32c_output_compare): New.
4041 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4043 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4044 dest, not src. Allow other 4-byte modes.
4046 2006-03-30 Denis Chertykov <denisc@overta.ru>
4048 * doc/md.texi: Refer to avr/constraints.md instead of
4051 2006-03-30 Roger Sayle <roger@eyesopen.com>
4053 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4054 signed vs. unsigned comparison failures on some hosts.
4056 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4059 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4060 change to FLOAT_REGS.
4062 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4063 (rs6000_override_options): Use it.
4064 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4065 only for -mabi=spe/no-spe and -mabi=altivec.
4067 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4069 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4072 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4074 * Makefile.in: Rename docdir to gcc_docdir.
4076 2006-03-30 Roger Sayle <roger@eyesopen.com>
4079 * expr.c (emit_group_store): Optimize group stores into a pseudo
4080 register by using a paradoxical subreg to initialize the destination
4081 if the first or last member of the group specifies a "low part".
4083 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4086 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4087 * target.h (struct gcc_target.speculate_insn): Change type of the
4088 second parameter to 'int'.
4089 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4090 the second operand of the DEPS_LIST.
4091 (copy_DEPS_LIST_list): Update reference to the second operand of the
4093 * rtl.h (alloc_DEPS_LIST): Update signature.
4094 * sched-int.h (ds_t): Change typedef to 'int'.
4095 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4097 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4099 * haifa-sched.c (try_ready): Change condition to restore
4100 non-speculative pattern of the instruction.
4101 (process_insn_depend_be_in_spec): Code to keep probability of the
4102 speculative dependence non-decreasing.
4104 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4106 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4107 (single_move_for_movmem): ... this. Also change all uses.
4108 (bfin_expand_strmov): Renamed to...
4109 (bfin_expand_movmem): ... this. Also change all uses.
4110 * config/bfin/bfin.md (movstrsi): Renamed to...
4111 (movstrsi): ...this.
4113 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4115 PR tree-optimization/26830
4117 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4118 (copy_prop_visit_stmt): Remove write-only variable ann.
4119 (init_copy_prop): Check variable loop depth here. Do not simulate
4120 memory-tag and virtual operand PHIs except for store copy prop.
4122 2006-03-30 Richard Guenther <rguenther@suse.de>
4124 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4125 variants with double arguments.
4127 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4129 * genpreds.c (write_tm_constrs_h): Delete variable p.
4130 * genconditions.c (write_header): Add tm-constrs.h to included
4132 * genpeep.c (main): Add toplev.h to included headers.
4133 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4134 (build/genpeep.o): Add toplev.h dependency.
4135 * config/rs6000/constraints.md: Add "W" constraint.
4137 2006-03-29 Roger Sayle <roger@eyesopen.com>
4139 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4140 sizes by correctly testing whether the size fits a host integer.
4141 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4142 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4143 SImode range for the default sizetype and bitsizetype.
4145 2006-03-29 Roger Sayle <roger@eyesopen.com>
4147 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4148 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4149 quickly if the argument is already of the correct type.
4150 Call fold_build1 instead of build1. Tidy up blank lines.
4152 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4154 * genemit.c (main): Add tm-constrs.h to included headers.
4155 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4156 * genpeep.c (main): Add tm-constrs.h to included headers.
4157 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4158 (write_tm_constrs_h): this and write complete file.
4159 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4160 (write_insn_preds_c): Add tm-constrs.h to included headers.
4161 (gen_constrs): New variable.
4162 (parse_option): Parse "-c".
4163 (main): Invoke write_tm_constrs_h.
4164 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4165 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4166 (object_out_file): Add tm-constrs.h dependency.
4167 (insn-emit.o): Same.
4168 (insn-output.o): Same.
4169 (insn-peep.o): Same.
4170 (insn-preds.o): Same.
4171 (insn-recog.o): Same.
4172 (tm-constsr.h): New target.
4173 (s-constrs-h): New target.
4175 * config/rs6000/constraints.md: New file.
4176 * config/rs6000/rs6000.c: Include tm-constrs.h.
4177 (num_insn_constant_wide): Convert to satisfies_constraint.
4178 (rs6000_rtx_costs): Convert to satisfies_constraint.
4179 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4180 (CONST_OK_FOR_LETTER_P): Delete.
4181 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4182 (EXTRA_CONSTRAINT): Delete.
4183 (EXTRA_MEMORY_CONSTRAINT): Delete.
4184 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4185 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4186 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4187 satisfies_constraint.
4189 * config/i386/i386.c: Include tm-constrs.h.
4191 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4193 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4194 * tree-data-ref.c (find_data_references_in_loop,
4195 compute_data_dependences_for_loop): Use pointers to VEC.
4196 (analyze_all_data_dependences): Adjust calls.
4197 * tree-data-ref.h (find_data_references_in_loop,
4198 compute_data_dependences_for_loop): Adjust declarations.
4199 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4200 compute_data_dependences_for_loop.
4202 2006-03-29 Paul Brook <paul@codesourcery.com>
4204 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4207 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4209 PR tree-optimization/26859
4210 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4212 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4213 for the step after fold_convert.
4215 2006-03-29 Paul Brook <paul@codesourcery.com>
4217 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4218 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4220 2006-03-29 Paul Brook <paul@codesourcery.com>
4223 * targhooks.c (default_narrow_bitfield): New fuction.
4224 * targhooks.h (default_narrow_bitfield): add prototype.
4225 * target.h (gcc_target): Add narrow_volatile_bitfield.
4226 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4227 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4228 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4229 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4231 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4233 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4235 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4236 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4237 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4238 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4239 (s390_function_arg_float): Allow SDmode and DDmode values to be
4240 passed in floating point registers.
4241 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4242 check with SCALAR_FLOAT_MODE_P.
4243 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4245 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4247 PR tree-optimization/25985
4248 * tree-ssa-loop-niter.c (number_of_iterations_le,
4249 number_of_iterations_ne): Make comments more precise.
4250 (number_of_iterations_cond): Add only_exit argument. Use the
4251 fact that signed variables do not overflow only when only_exit
4253 (loop_only_exit_p): New.
4254 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4255 number_of_iterations_cond.
4257 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4259 PR tree-optimization/26643
4260 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4263 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4265 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4266 (divsi3_i4_int): Likewise.
4268 2006-03-28 Roger Sayle <roger@eyesopen.com>
4270 * expr.c (emit_group_store): Only create a new pseudo reg if the
4271 quantity it needs to hold isn't already a suitable pseudo.
4273 2006-03-28 Jeff Law <law@redhat.com>
4275 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4276 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4278 2006-03-28 Roger Sayle <roger@eyesopen.com>
4280 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4281 the equivalent ~X & Y, and the symmetry related transformations.
4282 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4283 ~X & Y, and symmetry related transforms.
4285 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4287 Revert my 2006-03-27 patches.
4289 2006-03-28 Roger Sayle <roger@eyesopen.com>
4291 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4292 ~(T1)X, when T1 and T2 are integer types of the same precision
4293 and (T2)X isn't an extension.
4295 2006-03-28 Jeff Law <law@redhat.com>
4297 PR tree-optimization/26796
4298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4299 need EH edge cleanups rather than purging them immediately.
4300 (eliminate_degenerate_phis): Handle queued EH cleanups.
4302 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4304 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4307 2006-03-27 Roger Sayle <roger@eyesopen.com>
4310 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4311 cast BIT_NOT_EXPR operand to the correct type.
4313 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4315 * tree-loop-linear.c: Don't include varray.h.
4316 (gather_interchange_stats, try_interchange_loops,
4317 linear_transform_loops): Use VEC instead of VARRAY.
4318 * lambda-mat.c: Don't include varray.h.
4319 * tree-chrec.c: Same.
4320 * lambda-trans.c: Same.
4321 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4322 VEC instead of VARRAY.
4323 * tree-vectorizer.h: Idem.
4324 * tree-data-ref.c (dump_data_references,
4325 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4326 initialize_data_dependence_relation, finalize_ddr_dependent,
4327 compute_all_dependences, find_data_references_in_loop,
4328 compute_data_dependences_for_loop, analyze_all_data_dependences,
4329 free_dependence_relation, free_dependence_relations,
4330 free_data_refs): Idem.
4331 * tree-data-ref.h (data_reference_p, subscript_p): New.
4332 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4333 VEC instead of VARRAY.
4334 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4335 (find_data_references_in_loop, compute_data_dependences_for_loop,
4336 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4337 dump_data_dependence_relations, free_dependence_relations,
4338 free_data_refs): Adjust declaration.
4339 (lambda_transform_legal_p): Move declaration here...
4340 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4341 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4342 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4343 vect_analyze_data_refs): Use VEC instead of VARRAY.
4344 * lambda.h (lambda_transform_legal_p): ...from here.
4345 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4346 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4347 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4348 tree-chrec.o): Don't depend on VARRAY_H.
4350 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4352 * rtl.def (Copyright): Update date.
4353 (DEPS_LIST): Change type of the second operand to 'int'.
4354 * target.h (Copyright): Update date.
4355 (struct gcc_target.speculate_insn): Change type of the second parameter
4357 * lists.c (Copyright): Update date.
4358 (alloc_DEPS_LIST): Change signature. Update reference to the second
4359 operand of the DEPS_LIST.
4360 (copy_DEPS_LIST_list): Update reference to the second operand of the
4362 * rtl.h (Copyright): Update date.
4363 (alloc_DEPS_LIST): Update signature.
4364 * sched-int.h (Copyright): Update date.
4365 (ds_t): Change typedef to 'int'.
4366 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4368 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4370 * haifa-sched.c (Copyright): Update date.
4371 (try_ready): Change condition to restore non-speculative pattern
4373 (process_insn_depend_be_in_spec): Code to keep probability of the
4374 speculative dependence non-decreasing.
4376 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4378 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4379 shut up the compiler.
4381 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4383 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4384 to use lib prefix for target.
4385 ($(T)libic_invalidate_array_4-200.a): Likewise.
4386 ($(T)libic_invalidate_array_4a.a): Likewise.
4388 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4389 J"orn Rennecke <joern.rennecke@st.com>
4391 * superh.opt: New file.
4392 * sh.c (boardtype, osruntime): Remove.
4393 * superh.h (SUBTARGET_OPTIONS): Remove.
4394 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4396 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4397 arguments with ^ and/or [].
4399 * config.gcc (sh-*-*): Add quoting to account for quirk of
4401 Replace == with = in enable_incomplete_targets test.
4403 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4404 with MASK_LITTLE_ENDIAN.
4406 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4407 * config/sh/sh.opt: Added to some comments.
4408 * config/sh/superh.h: Removed some chaff.
4410 * config/sh/sh.opt: Add m4-[1234]00* options.
4411 * config/sh/sh.c (sh_handle_option): Likewise.
4412 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4413 (ic_invalidate_array_4-100.o): New rule.
4414 ($(T)libic_invalidate_array_4-100.a): Likewise.
4415 (ic_invalidate_array_4-200.o): Likewise.
4416 ($(T)libic_invalidate_array_4-200.a): Likewise.
4417 (ic_invalidate_array_4a.o): Likewise.
4418 ($(T)libic_invalidate_array_4a.a): Likewise.
4419 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4420 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4422 * config/sh/crt1.asm: Merged in profiling code.
4423 * config/sh/superh.h (STARTFILE_SPEC): Override.
4424 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4425 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4426 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4428 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4429 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4430 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4432 * sh.opt (mpretend-cmove): New option.
4433 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4434 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4435 (movsicc): Add TARGET_PRETEND_CMOVE code.
4437 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4439 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4440 s390_class_max_nregs): New function prototypes.
4441 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4442 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4443 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4444 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4446 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4448 * dwarf2out.c (add_location_or_const_value_attribute): Call
4449 tree_add_const_value_attribute if nothing else works.
4450 (reference_to_unused): New.
4451 (rtl_for_decl_init): Use reference_to_unused to decide whether
4452 to output an initializer.
4454 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4457 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4458 peephole removing spe frob_di_df_2.
4460 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4462 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4463 (subscript_dependence_tester_1): Declared.
4464 (print_dir_vectors, print_dist_vectors): New.
4465 (debug_data_dependence_relation): New.
4466 (dump_data_dependence_relation): Print more details.
4467 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4468 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4469 (save_dist_v, save_dir_v, add_outer_distances,
4470 build_classic_dist_vector_1): New.
4471 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4472 Don't test for lambda_vector_lexico_pos.
4473 (same_access_functions, add_multivariate_self_dist,
4474 add_other_self_distances, dir_from_dist): New.
4475 (build_classic_dir_vector): Replace implementation almost identical to
4476 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4478 (subscript_dependence_tester_1): New.
4479 (subscript_dependence_tester): Handle the lexicographically negative
4480 distance vectors by recomputing the dependence relation.
4481 (compute_affine_dependence): Remove parameter loop_nest_depth.
4482 (compute_self_dependence): Don't call compute_subscript_distance.
4483 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4484 Add a parameter for the loop_nest.
4485 (find_loop_nest_1, find_loop_nest): New.
4486 (compute_data_dependences_for_loop): Compute the loop nest, and give
4487 up if the nest is not well formed.
4488 * tree-data-ref.h (loop_p): New.
4489 (struct data_dependence_relation): Replace size_vect field with
4490 loop_nest, a vec of loops.
4491 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4492 (DDR_LOOP_NEST): New.
4493 (print_dir_vectors, print_dist_vectors,
4494 debug_data_dependence_relation): Declared.
4495 (index_in_loop_nest): New.
4496 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4497 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4500 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4502 * simplify-rtx.c (simplify_relational_operation): Call
4503 simplify_relational_operation_1 even if mode is VOIDmode.
4505 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4507 PR tree-optimization/26804
4508 * tree.h (DECL_CALL_CLOBBERED): New macro.
4509 (tree_decl_common): Add call_clobbered_flag.
4510 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4511 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4512 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4513 (mark_non_addressable): Ditto.
4514 * tree-ssa.c (verify_call_clobbered): New function.
4515 (verify_alias_info): Use it.
4516 * tree-pass.h (pass_reset_cc_flags): New prototype.
4517 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4518 (reset_cc_flags): New function.
4519 * passes.c (init_optimization_passes): Call reset_cc_flags after
4520 initializing referenced_vars.
4522 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4523 Roger Sayle <roger@eyesopen.com>
4526 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4527 to 1.0 for non-real operands. Implement A / A optimization for
4530 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4532 * config/i386/i386.c (size_cost): Correct the comment for
4533 cost of storing fp registers.
4534 (i386_cost): Likewise.
4535 (i486_cost): Likewise.
4536 (pentium_cost): Likewise.
4537 (pentiumpro_cost): Likewise.
4538 (k6_cost): Likewise.
4539 (athlon_cost): Likewise.
4540 (k8_cost): Likewise.
4541 (pentium4_cost): Likewise.
4542 (nocona_cost): Likewise.
4543 (generic64_cost): Likewise.
4544 (generic32_cost): Likewise.
4546 2006-03-24 Denis Chertykov <denisc@overta.ru>
4548 * config/avr/avr-protos.h (extra_constraint): Delete.
4549 (extra_constraint_Q): New declaration.
4550 * config/avr/constraints.md: New file.
4551 * config/avr/avr.md: Include it.
4552 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4553 (TMP_REGNO, ZERO_REGNO): Likewise.
4554 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4555 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4556 (extra_constraint): Delete.
4557 (extra_constraint_Q): Test for memory constraint 'Q'.
4558 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4559 (REG_CLASS_FROM_LETTER): Delete.
4560 (CONST_OK_FOR_LETTER_P): Delete.
4561 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4562 (EXTRA_CONSTRAINT): Delete.
4563 (TMP_REGNO): Delete.
4564 (ZERO_REGNO): Delete.
4566 2006-03-24 Jeff Law <law@redhat.com>
4568 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4569 directly. Call mark_new_vars_to_rename slightly earlier.
4571 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4573 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4575 (gen_compile_unit_die): Use new language types for Objective-C and
4577 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4578 DW_LANG_C_plus_plus.
4581 * config/t-darwin (crt3.o): Work around bug 26840.
4582 * config/darwin-crt3.c: Rewrite.
4583 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4585 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4587 * doc/invoke.texi: Document -femit-class-debug-always
4588 * common.opt: Add -femit-class-debug-always.
4590 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4592 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4593 index and base register.
4594 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4595 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4596 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4597 REGNO_OK_FOR_INDEX_P.
4598 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4600 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4601 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4602 REG_OK_FOR_BASE_P): Definitions removed.
4604 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4607 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4608 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4609 set yet or weren't marked as local yet.
4611 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4613 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4616 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4618 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4619 (rs6000_legitimate_small_data_p): Delete.
4620 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4621 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4622 and make static. Add forward declaration. Update uses.
4623 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4624 of offsettable_memref_p.
4625 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4626 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4628 2006-03-24 Jeff Law <law@redhat.com>
4630 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4631 around bug in immediate-use iterator.
4633 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4636 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4637 or __LITTLE_ENDIAN__.
4639 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4641 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4642 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4643 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4644 * config/sh/sh.opt (mdiv=): Amend description.
4645 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4646 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4647 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4648 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4649 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4650 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4651 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4652 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4653 TARGET_DIVIDE_CALL_FP.
4655 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4657 * haifa-sched.c (choose_ready): Fix type of the local variable.
4658 Move local variables. Add comment.
4659 (check_reg_live): Change signature. Make callable from debugger.
4660 * sched-int.h (check_reg_live): Update signature.
4661 * sched-ebb.c (check_reg_live): Update parameters.
4662 * sched-rgn.c (check_reg_live): Ditto.
4663 (region_head_or_leaf_p): Check pointer before dereferencing.
4664 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4665 before reload on optimization levels below 1.
4667 2006-03-23 Richard Henderson <rth@redhat.com>
4669 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4673 * config/alpha/predicates.md (local_symbolic_operand): Reject
4676 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4679 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4680 expressions which have overflowed constants.
4682 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4684 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4686 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4688 * cfgloopmanip.c (create_loop_notes): Removed.
4689 * final.c (final_scan_insn): Do not handle loop notes.
4690 * jump.c (squeeze_notes): Ditto.
4691 * cfglayout.c (skip_insns_after_block,
4692 duplicate_insn_chain): Ditto.
4693 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4695 * cfgloop.h (create_loop_notes): Declaration removed.
4697 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4699 * varasm.c (output_constant_pool): Restore fnname and fndecl
4701 (assemble_start_function): Adjust call accordingly.
4702 (assemble_end_function): Likewise.
4704 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4707 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4710 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4712 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4715 * system.h (ICE_EXIT_CODE): New macro.
4716 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4717 (diagnostic_action_after_output): Likewise.
4718 * gcc.c (fatal_ice): New function.
4719 (execute): Use it instead of fatal.
4720 (fancy_abort): Likewise.
4721 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4723 2006-03-22 Jeff Law <law@redhat.com>
4725 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4726 iv_analyze_result returning false.
4728 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4730 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4732 2006-03-22 Richard Henderson <rth@redhat.com>
4735 * except.c (duplicate_eh_regions_0): New.
4736 (duplicate_eh_region_1): Duplicate the children of the node as
4737 well as the node itself. Link them up properly.
4738 (duplicate_eh_region_2): Merge into ...
4739 (duplicate_eh_regions): ... here. Take copy_region argument, and
4740 copy only a sub-tree if asked. Simplify copying and fixup.
4741 (eh_region_outer_p): New.
4742 * except.h (duplicate_eh_regions): Update decl.
4743 (eh_region_outer_p): Declare.
4744 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4745 (lower_omp_master): Likewise.
4746 (lower_omp_ordered): Likewise.
4747 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4748 (move_stmt_r): Use it to remap labels. Handle recursion vs
4749 remap_decls_p properly.
4750 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4751 (find_outermost_region_in_block): New.
4752 (new_label_mapper): New.
4753 (move_sese_region_to_fn): Copy eh information to the new function
4755 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4757 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4760 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4762 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4763 into shared libraries.
4765 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4767 * doc/md.texi: Refer to i386/constraints.md instead of
4769 * config/i386/constraints.md: New file, extracted from...
4770 * config/i386/predicates.md: ...here.
4771 * config/i386/i386.md: Include constraints.md.
4773 2006-03-21 Jason Merrill <jason@redhat.com>
4775 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4778 * expr.c (init_block_move_fn): Force default visibility.
4779 (init_block_clear_fn): Likewise.
4780 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4781 * targhooks.c (default_external_stack_protect_fail): Likewise.
4783 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4785 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4786 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4787 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4788 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4789 (loadgp): Use mips_current_loadgp_style.
4790 (loadgp_noshared): New pattern.
4791 (sibcall_internal): Use MIPS_CALL.
4792 (sibcall_value_internal): Likewise.
4793 (sibcall_value_multiple_internal): Likewise.
4794 (call_internal): Likewise.
4795 (call_value_internal): Likewise.
4796 (call_value_multiple_internal): Likewise.
4797 (call_split): Use MIPS_CALL and add an 'S' constraint.
4798 (call_value_split): Likewise.
4799 (call_value_multiple_split): Likewise.
4800 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4801 (-mshared): New option.
4802 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4803 (mips_current_loadgp_style): Declare.
4804 * config/mips/mips.c (mips_classify_symbol): Avoid using
4805 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4806 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4807 TARGET_ABSOLUTE_ABICALLS.
4808 (override_options): Adjust comments. Improve the warning that is
4809 issued when -mabicalls and -G are used together.
4810 (mips_file_start): Remove comment.
4811 (mips_current_loadgp_style): New function.
4812 (mips_gnu_local_gp): New variable.
4813 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4815 (mips_output_function_prologue): Use mips_current_laodgp_style.
4816 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4817 the cprestore instruction.
4818 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4819 live for TARGET_ABSOLUTE_ABICALLS.
4820 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4821 (ASM_SPEC): Pass down -mshared and -mno-shared.
4822 (MIPS_CALL): New macro.
4823 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4825 * doc/invoke.texi (-mabicalls): Update documentation.
4826 (-mshared): Document.
4828 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4830 * config/ia64/unwind-hpux.c: New file.
4831 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4833 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4836 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4838 2006-03-21 Jeff Law <law@redhat.com>
4840 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4841 type conversions of a VR_VARYING source to a wider type.
4843 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4845 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4846 tm_file on Solaris 10 and later.
4847 (sparc64-*-solaris2*): Likewise.
4848 (sparc-*-solaris2*): Likewise.
4849 * config/sol26.h: Rename to config/sol2-6.h.
4850 * config/sol2-10.h: New file.
4852 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4855 * tree-ssa-pre.c (create_component_ref_by_pieces):
4858 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4861 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4862 return it immediately.
4864 2006-03-21 Michael Matz <matz@suse.de>
4866 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4868 (remove_arc, add_arc): Update num_out_arcs member.
4869 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4871 (cache_presence): New function.
4872 (compare_states_for_equiv): New function.
4873 (state_is_differed): Don't take number of outargs, adjust callers.
4874 Use new invariant for speeding up.
4875 (init_equiv_class): Create initial classes based on sorted
4877 (partition_equiv_class): Don't track out_arcs_num.
4878 (evaluate_equiv_classes): Call cache_presence on all states and
4881 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4883 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4884 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4885 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4886 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4888 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4889 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4890 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4891 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4892 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4894 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4895 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4896 (REGNO_REG_CLASS): ARGP is in PREGS.
4897 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4899 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4900 to deal with those addresses.
4901 * addresses.h: New file.
4902 * caller-save.c: Include "addresses.h".
4903 (init_caller_save): Use new base_reg_class function.
4904 * rtl-factoring.c: Include "addresses.h".
4905 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4906 * recog.c: Include "addresses.h".
4907 (preprocess_constraints): Use new base_reg_class function.
4908 * regrename.c: Include "addresses.h".
4909 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4910 functions. Keep track of a new var INDEX_CODE to compute valid
4912 (replace_oldest_value_addr): Likewise.
4913 (replace_oldest_value_mem): Use base_reg_class.
4914 * reload.c: Include "addresses.h".
4915 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4916 (find_reloads): Use new base_reg_class function.
4917 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4918 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4919 all callers and prototype changed.
4920 * reload1.c: Include "addresses.h".
4921 (maybe_fix_stack_asms): Use base_reg_class.
4922 * regclass.c: Include "addresses.h".
4923 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4924 (init_reg_autoinc): Use new base_reg_class function.
4925 (record_reg_classes): Likewise.
4926 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4927 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4928 Use new args to compute necessary class.
4930 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4931 regrename.o, rtl-factoring.o): Update dependencies.
4932 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4933 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4934 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4935 REG_OK_FOR_INDEX_P): Delete documentation.
4937 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4939 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4940 from V7 to V9 for Solaris 7 and above.
4942 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4944 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4945 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4946 argument pointers may not alias any other storage.
4947 * common.opt: Define option -fargument-noalias-anything.
4948 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4949 alias semantics is specified by flag_argument_noalias > 2.
4951 2006-03-20 Jeff Law <law@redhat.com>
4953 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4954 (pass_phi_only_cprop): Declare.
4955 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4957 * tree-ssa-dom.c (degenerate_phi_result): New function.
4958 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4959 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4960 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4961 (eliminate_degenerate_phis): Likewise.
4962 (pass_phi_only_cprop): New pass descriptor.
4963 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4964 support code. Callers updated.
4965 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4966 (store_copy_prop): Likewise.
4967 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4969 2006-03-20 Jason Merrill <jason@redhat.com>
4972 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4973 (push_visibility, pop_visibility): Likewise.
4974 * c-pragma.h: Declare them.
4976 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4978 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4980 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4981 parameter and use get_ebb_head_tail.
4982 (sh_md_init_global): Adjust uses of find_regmode_weight.
4984 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4986 * function.h (struct function) <x_tail_recursion_reentry>:
4987 Rename to x_stack_check_probe_note.
4988 (tail_recursion_reentry): Rename to stack_check_probe_note.
4989 * function.c: Replace tail_recursion_reentry with
4990 stack_check_probe_note everywhere.
4991 (expand_function_start): Only emit a note for
4992 stack_check_probe_note with -fstack-protect.
4993 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4995 * emit-rtl.c (remove_unnecessary_notes): Remove.
4996 (pass_remove_unnecessary_notes): Remove.
4997 * rtl.h (remove_unnecessary_notes): Remove prototype.
4998 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4999 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5000 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5002 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5005 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5006 (valid_in_set): Handle ARRAY_REF.
5007 Change "if min_variant or VH" to asserts.
5008 (create_component_ref_by_pieces): Handle ARRAY_REF.
5009 (create_expression_by_pieces): Likewise.
5010 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5012 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5014 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5015 is operand of switch, not str[0].
5017 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5019 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5020 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5022 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5024 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5025 end of insn_extra_address_constraint declaration.
5027 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5029 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5030 (no-sum-in-toc): Same.
5031 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5033 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5034 NO_FP_IN_TOC for -fPIC instead of mask.
5036 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5037 (BOOT_LDFLAGS): Delete.
5039 * config/rs6000/t-aix52: Same.
5041 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5042 (stmsi[345678]_power): New.
5044 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5046 * config/ia64/ia64.opt: Add empty line to end of file.
5048 2006-03-17 Richard Guenther <rguenther@suse.de>
5051 * builtins.c (get_pointer_alignment): For component style references
5052 adjust alignment to the component type alignment. Make sure
5053 to adjust alignment for component access of constants.
5055 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5057 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5060 2006-03-17 Paul Brook <paul@codesourcery.com>
5062 * doc/install.texi: Docuemnt --with-mode.
5063 * config.gcc: Add --with-mode for arm*-*-*.
5064 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5066 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5068 * sh.c (max_labelno_before_reorg): New variable.
5069 (sh_reorg): Initialize it.
5070 (find_barrier): Check max_labelno_before_reorg before using
5071 label_to_alignment. Take length of explicit alignment insns
5072 into account. When seeing a UNSPECV_CONST_END, return it.
5074 * sh.c (fixup_mova): Set mode of affected label to QImode.
5075 (untangle_mova): New function.
5076 (find_barrier): Use it. Check mode of label before decrementing
5078 (sh_reorg): Likewise.
5079 Set mode of all insns back to VOIDmode.
5081 * sh.c (MOVA_LABELREF): New macro.
5082 (mova_p, fixup_mova, sh_reorg): Use it.
5083 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5084 ADDR_DIFF_VEC matches mova.
5086 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5088 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5089 with ATTRIBUTE_UNUSED.
5091 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5093 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5094 pointer, instead of assuming it is possible to derive the
5095 correct args size from a call insn.
5097 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5099 * rtl.h (CONST_INT_P): Define.
5100 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5101 instead of GET_CODE(x) == CONST_INT.
5102 (vax_rtx_costs): Likewise.
5103 (vax_output_int_move): Likewise.
5104 (vax_output_int_add): Likewise.
5105 (legitimate_constant_address_p): Likewise.
5106 (index_term_p): Likewise.
5107 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5108 * config/vax/vax.md (and<mode>3): Likewise.
5109 (ashrsi3): Likewise.
5111 (movstricthi): Likewise.
5112 (movstrictqi): Likewise.
5113 (rotrsi3): Likewise.
5114 (five unnamed insns): Likewise.
5116 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5118 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5119 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5120 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5121 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5122 Pass to ASM_OUTPUT_DWARF_OFFSET.
5123 * dwarf2out.c (debug_frame_section): New.
5124 (output_call_frame_info): Use debug_frame_section. Pass it to
5125 dw2_asm_output_offset.
5126 (output_die): Pass appropriate section to dw2_asm_output_offset.
5127 (output_compilation_unit_header): Likewise.
5128 (output_pubnames): Likewise.
5129 (output_aranges): Likewise.
5130 (enum dw_val_class): Break dw_val_class_lbl_offset into
5131 dw_val_class_lineptr and dw_val_class_macptr.
5132 (add_AT_lbl_offset): Delete.
5133 (add_AT_lineptr): New.
5134 (add_AT_macptr): New.
5135 (AT_lbl): Expect a lineptr or macptr.
5136 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5137 (attr_checksum): Likewise.
5138 (same_dw_val_p): Likewise.
5139 (size_of_die): Likewise.
5140 (value_format): Likewise.
5141 (output_die): Likewise.
5142 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5144 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5145 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5146 * config/darwin-protos.h (darwin_file_start): New.
5147 (darwin_asm_output_dwarf_offset): New.
5148 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5149 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5151 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5152 if not EH section; simplify.
5153 (darwin_file_start): New.
5154 (darwin_asm_output_dwarf_offset): New.
5155 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5157 (DEBUG_INFO_SECTION): Likewise.
5158 (DEBUG_ABBREV_SECTION): Likewise.
5159 (DEBUG_ARANGES_SECTION): Likewise.
5160 (DEBUG_MACINFO_SECTION): Likewise.
5161 (DEBUG_LINE_SECTION): Likewise.
5162 (DEBUG_LOC_SECTION): Likewise.
5163 (DEBUG_PUBNAMES_SECTION): Likewise.
5164 (DEBUG_STR_SECTION): Likewise.
5165 (DEBUG_RANGES_SECTION): Likewise.
5166 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5167 (ASM_OUTPUT_DWARF_OFFSET): New.
5169 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5171 * config.gcc (tm_defines): Always add to previous value rather
5174 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5176 * config/mips/predicates.md (splittable_const_int_operand): New,
5177 split from move_operand.
5178 (splittable_symbolic_operand): New.
5179 (move_operand): Add commentary. Use splittable_const_int_operand.
5180 Inline mips_atomic_symbolic_constant_p.
5181 * config/mips/mips.md: Add combine splitters for handling moves
5182 of splittable_const_int_operands and splittable_symbolic_operands.
5183 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5184 (mips_split_symbol): Declare.
5185 (mips_move_integer): Declare.
5186 * config/mips/mips.c (mips_split_p): Make global.
5187 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5188 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5189 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5190 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5191 (mips_offset_within_object_p): Handle block symbols.
5192 (mips_atomic_symbolic_constant_p): Delete.
5193 (mips_cannot_force_const_mem): Return false for constants that
5194 mips_legitimize_move can handle.
5195 (mips_use_blocks_for_constant_p): New function.
5196 (mips_split_symbol): Make global.
5197 (mips_move_integer): Likewise. Add a temporary register argument.
5198 (mips_legitimize_const_move): Use splittable_const_int_operand and
5199 splittable_symbolic_operand.
5200 (mips_use_anchors_for_symbol_p): New function.
5201 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5202 (mips_split_p): Declare.
5204 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5206 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5207 (mips*-*-linux*): Likewise.
5209 2006-03-16 Roger Sayle <roger@eyesopen.com>
5210 Daniel Speyer <dspeyer@wam.umd.edu>
5213 * tree-dump.c (dump_real): New function.
5214 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5215 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5216 (tree-dump.o): Add $(REAL_H) to the dependencies.
5218 2006-03-16 Roger Sayle <roger@eyesopen.com>
5221 * real.c (real_from_string): If the mantissa is zero, don't bother
5222 parsing the exponent as the result should always be zero.
5224 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5226 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5228 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5230 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5231 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5232 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5233 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5234 ia64_sched_finish_global): New static functions to implement
5235 hooks from gcc_target.sched.
5236 (spec_check_no, max_uid, pending_data_specs): New static variables.
5237 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5238 ia64_spec_check_src_p): New static functions.
5239 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5240 (TARGET_SCHED_ADJUST_COST): Removed.
5241 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5242 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5243 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5244 TARGET_SCHED_GEN_CHECK,
5245 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5246 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5247 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5248 Fixed to handle speculation checks.
5249 (rtx_needs_barrier): Fixed to handle speculative loads and
5251 (ia64_variable_issue): Added code to count speculative loads and their
5253 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5255 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5257 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5259 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5260 (ia64_reorg): Reset stops_p to NULL after it is freed.
5261 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5262 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5263 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5265 (data_speculative, control_speculative, check_load): New attributes.
5266 (mov<mode>_advanced, mov<mode>_speculative,
5267 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5268 zero_extend<mode>di2_speculative,
5269 zero_extend<mode>di2_speculative_advanced): New patterns for
5270 data and control speculative loads.
5271 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5273 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5274 New pattern for data and control speculation checks.
5275 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5276 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5277 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5278 Auxiliary definitions for the patterns.
5279 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5280 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5282 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5284 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5285 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5286 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5287 New resource constraints.
5288 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5290 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5291 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5292 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5293 msched-in-control-spec, msched-ldc, msched-control-ldc,
5294 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5295 msched-prefer-non-control-spec-insns,
5296 msched-count-spec-in-critical-path): New flags to tune speculative
5298 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5299 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5300 msched-in-control-spec, msched-ldc, msched-control-ldc,
5301 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5302 msched-prefer-non-control-spec-insns,
5303 msched-count-spec-in-critical-path): Document new flags.
5305 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5307 * target.h (struct spec_info_def): New opaque declaration.
5308 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5309 speculate_insn, needs_block_p, gen_check,
5310 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5311 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5312 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5313 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5314 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5315 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5317 (TARGET_SCHED): Use new macros.
5318 * rtl.h (copy_DEPS_LIST_list): New prototype.
5319 * sched-int.h (struct sched_info): Change signature of new_ready field,
5320 adjust all initializations. New fields: add_remove_insn,
5321 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5322 region_head_or_leaf_p.
5323 (struct spec_info_def): New structure declaration.
5324 (spec_info_t): New typedef.
5325 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5326 recovery_block, orig_pat.
5327 (glat_start, glat_end): New variables declaraions.
5328 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5330 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5331 DETACH_LIFE_INFO, USE_GLAT.
5332 (enum SPEC_SCHED_FLAGS): New enumeration.
5333 (NOTE_NOTE_BB_P): New macro.
5334 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5335 attach_life_info, debug_spec_status, check_reg_live): New functions.
5336 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5337 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5339 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5340 * ddg.c (get_block_head_tail): Adjust all uses.
5341 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5342 (sms_sched_info): Initialize new fields.
5343 (contributes_to_priority): Removed.
5344 * haifa-sched.c (params.h): New include.
5345 (get_block_head_tail): Adjust all uses.
5346 (ISSUE_POINTS): New macro.
5347 (glat_start, glat_end): New global variables.
5348 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5349 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5350 old_last_basic_block, before_recovery, current_sched_info_var,
5351 rgn_n_insns, luid): New static variables.
5352 (insn_cost1): New function. Move logic from insn_cost to here.
5353 (find_insn_reg_weight1): New function. Move logic from
5354 find_insn_reg_weight to here.
5355 (reemit_notes, move_insn, max_issue): Change signature.
5356 (move_insn1): Removed.
5357 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5358 extend_bb): New static functions to support extension of scheduler's
5360 (generate_recovery_code, process_insn_depend_be_in_spec,
5361 begin_speculative_block, add_to_speculative_block,
5362 init_before_recovery, create_recovery_block, create_check_block_twin,
5363 fix_recovery_deps): New static functions to support
5364 generation of recovery code.
5365 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5366 restore_bb_notes, move_block_after_check, move_succs): New static
5367 functions to support ebb scheduling.
5368 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5369 functions to support handling of register live information.
5370 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5371 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5372 add_jump_dependencies): New static functions.
5373 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5374 consistancy checking.
5375 (debug_spec_status): New function to call from debugger.
5376 (priority): Added code to handle speculation checks.
5377 (rank_for_schedule): Added code to distinguish speculative instructions.
5378 (schedule_insn): Added code to handle speculation checks.
5379 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5380 Fixed to handle ebbs.
5381 (move_insn): Added code to handle ebb scheduling.
5382 (max_issue): Added code to use ISSUE_POINTS of instructions.
5383 (choose_ready): Added code to choose between speculative and
5384 non-speculative instructions.
5385 (schedule_block): Added code to handle ebb scheduling and scheduling of
5386 speculative instructions.
5387 (sched_init): Initialize new variables.
5388 (sched_finish): Free new variables. Print statistics.
5389 (try_ready): Added code to handle speculative instructions.
5390 * lists.c (copy_DEPS_LIST_list): New function.
5391 * sched-deps.c (extend_dependency_caches): New function. Move logic
5392 from create_dependency_caches to here.
5393 (get_dep_weak, ds_merge): Make global.
5394 * genattr.c (main): Code to output prototype for
5395 dfa_clear_single_insn_cache.
5396 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5397 (output_dfa_clean_insn_cache_func): Code to output
5398 dfa_clear_single_insn_cache function.
5399 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5401 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5403 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5404 New static variables.
5405 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5406 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5408 (ebb_sched_info): Initialize new fields.
5409 (get_block_head_tail): Adjust all uses.
5410 (compute_jump_reg_dependencies): Fixed to use glat_start.
5411 (schedule_ebb): Code to remove unreachable last block.
5412 (schedule_ebbs): Added code to update register live information.
5413 * sched-rgn.c (region_sched_info): Initialize new fields.
5414 (get_block_head_tail): Adjust all uses.
5415 (last_was_jump): Removed. Adjust users.
5416 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5417 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5418 Implement new hooks.
5419 (check_dead_notes1): New static function.
5420 (struct region): New fields: dont_calc_deps, has_real_ebb.
5421 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5422 (BB_TO_BLOCK): Fixed to handle EBBs.
5423 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5424 (ebb_head): New static variable.
5425 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5426 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5428 (compute_dom_prob_ps): New assertion.
5429 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5430 global_live_at_start.
5431 (init_ready_list): New assertions.
5432 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5433 (new_ready): Add support for BEGIN_CONTROL speculation.
5434 (schedule_insns): Fixed code that updates register live information
5436 (schedule_region): Fixed to handle EBBs.
5437 (init_regions): Use extend_regions and check_dead_notes1.
5438 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5439 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5440 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5441 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5442 TARGET_SCHED_GEN_CHECK,
5443 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5444 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5445 * doc/invoke.texi (max-sched-insn-conflict-delay,
5446 sched-spec-prob-cutoff): Document.
5448 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5450 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5451 inter_tick, queue_index.
5452 (struct sched_info): Change signature of init_ready_list field.
5453 Adjust all initializations.
5454 (RESOLVED_DEPS): New access macro.
5455 (ready_add): Remove prototype.
5456 (try_ready): Add prototype.
5457 * sched-rgn.c (init_ready_list): Use try_ready.
5458 (schedule_region): Initialize
5459 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5460 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5461 (init_ready_list): Use try_ready.
5462 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5463 * lists.c (remove_list_elem): Remove `static'.
5464 (remove_free_INSN_LIST_elem): New function.
5465 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5466 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5467 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5469 (readyp): New variable.
5470 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5471 change_queue_index, resolve_dep): New static functions.
5472 (try_ready): New function. Adjust callers in sched-rgn.c and
5473 sched-ebb.c to use it instead of ready_add.
5474 (clock_var): Move at the begining of file.
5475 (rank_for_schedule): Fix typo.
5476 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5477 (ready_lastpos): Enforce assertion.
5478 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5480 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5481 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5482 (queue_to_ready): Use free_INSN_LIST_list.
5483 (early_queue_to_ready): Fix typo.
5484 (schedule_block): Init readyp. Move init_ready_list call after the
5485 initialization of clock_var. Fix error in rejecting insn by
5486 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5487 that previously corrected INSN_TICKs. Add code for handling
5489 (set_priorities): Fix typo.
5490 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5491 Clarify comment and code that keeps current_sched_info->next_tail
5494 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5496 * sched-rgn.c (extend_rgns): New static function.
5497 (find_rgns): Use it.
5498 (gather_region_statistics, print_region_statistics): New static
5500 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5501 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5503 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5504 Andrey Belevantsev <abel@ispras.ru>
5506 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5507 * lists.c (unused_deps_list): New variable.
5508 (free_list): Add assertions to verify the proper distinguishing
5509 between INSN_LISTs and DEPS_LISTs.
5510 (find_list_elem, remove_list_elem, remove_list_node): New static
5512 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5513 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5514 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5515 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5517 (free_INSN_LIST_node): Likewise.
5518 * modulo-sched.c (current_sched_info): Initialize flags field.
5519 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5520 * rtl.def (DEPS_LIST): Define.
5521 * rtl.h: Declare new functions from lists.c.
5522 * sched-deps.c (spec_dependency_cache): New static variable.
5523 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5524 (add_dependence): Change return type to void. Move the logic to ...
5525 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5526 (delete_all_dependences): Add comment about forward_dependency_cache.
5527 Handle spec_dependency_cache. Handle DEPS_LISTs.
5528 (fixup_sched_groups): Clarify the change of priority of output
5529 and anti dependencies.
5530 (sched_analyze_2): Adjust add_dependence calls to create data
5531 speculative dependence.
5532 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5533 Adjust all callers. Handle DEPS_LISTS.
5534 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5535 presence of speculation.
5536 (init_dependency_caches, free_dependency_caches):
5537 Handle spec_dependency_cache.
5538 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5539 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5540 New static functions.
5541 (add_or_update_back_dep, add_or_update_back_forw_dep,
5542 add_back_forw_dep, delete_back_forw_dep): New functions.
5543 * sched-int.h (ds_t, dw_t): New typedefs.
5544 (struct sched_info): Add new field flags.
5545 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5546 Prototype new sched-deps.c functions.
5547 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5548 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5549 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5550 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5551 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5552 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5554 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5556 * sched-rgn.c (current_sched_info): Initialize flags field.
5557 (schedule_insns): Initialize current_sched_info before the sched_init
5559 * sched-ebb.c (current_sched_info): Initialize flags field.
5560 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5561 Call add_or_update_back_dep instead of add_dependence.
5562 Create control speculative dependencies.
5563 (schedule_insns): Initialize current_sched_info before the sched_init
5566 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5568 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5570 (sh_fallback_frame_state): Likewise.
5572 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5574 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5575 Do switch on default_use_cxa_atexit.
5576 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5577 * config/darwin-crt3.o: New.
5578 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5579 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5580 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5582 * config/rs6000/t-darwin: Move crt2.o building to here.
5583 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5584 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5587 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5589 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5590 from '! xxx' to '!xxx' for coding-style conformance.
5591 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5592 (EXTRA_CONSTRAINT): Likewise.
5593 * config/vax/vax.md (four unnamed insns): Likewise.
5595 2006-03-15 Paul Brook <paul@codesourcery.com>
5597 * config/arm/arm.c (minipool_pad): New.
5598 (add_minipool_forward_ref): Include pool alignment padding in address
5600 (push_minipool_fix): Set minipool_pad.
5601 (minipool_pad): Ditto.
5603 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5605 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5606 instead of GET_CODE() == MEM and REG_P() instead of
5608 (print_operand_address): Likewise.
5609 (vax_address_cost): Likewise.
5610 (vax_rtx_costs): Likewise.
5611 (vax_notice_update_cc): Likewise.
5612 (vax_output_int_add): Likewise.
5613 (INDEX_REGISTER_P): Likewise.
5614 (BASE_REGISTER_P): Likewise.
5615 (nonindexed_address_p): Likewise.
5616 (vax_mode_dependent_address_p): Likewise.
5617 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5618 (PRINT_OPERAND): Likewise.
5619 * config/vax/vax.md (ashlsi3): Likewise.
5620 (ashlsi3): Likewise.
5621 (some more unnamed insns): Likewise.
5623 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5625 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5626 iterator-style macro.
5627 (mark_control_dependent_edges_necessary): Update the use of
5628 EXECUTE_IF_CONTROL_DEPENDENT.
5630 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5632 * config/sh/predicates.md (cache_address_operand): Special.
5633 (ua_address_operand): Likewise.
5635 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5637 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5639 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5641 2006-03-15 Andreas Schwab <schwab@suse.de>
5643 * gensupport.c (identify_predicable_attribute): Don't free p_false
5644 when it is still in use.
5646 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5648 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5649 the default setting here.
5651 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5653 * tree-pass.h (pass_cfg): Remove.
5654 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5655 * passes.c (pass_cfg): Don't run it.
5657 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5659 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5660 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5662 (stack_regs_mentioned): Update the uses of
5663 stack_regs_mentioned_data. Don't access the array beyond its
5665 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5666 Don't include gt-reg-stack.h.
5668 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5669 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5671 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5674 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5677 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5679 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5681 2006-03-14 Richard Guenther <rguenther@suse.de>
5683 PR tree-optimization/26672
5684 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5687 2006-03-14 Richard Guenther <rguenther@suse.de>
5689 PR tree-optimization/26667
5690 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5691 node for the callees. Always allow inlining if it will shrink
5694 2006-03-14 Richard Guenther <rguenther@suse.de>
5697 * builtins.c (get_pointer_alignment): Prefer alignment
5698 information from decls over that from types.
5700 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5703 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5705 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5707 * config/rs6000/rs6000.opt (mdlmzb): New option.
5708 (msched-prolog, msched-epilog): Use Var not Mask.
5709 * doc/invoke.texi (-mdlmzb): Document.
5710 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5712 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5713 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5715 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5717 PR rtl-optimization/25739
5718 * bt-load.c (augment_live_range): Free tos pointer.
5720 * gensupport.c (identify_predicable_attribute): Free
5722 * gcov.c (create_file_names): Free name pointer.
5724 2006-03-13 Roger Sayle <roger@eyesopen.com>
5727 * stmt.c (emit_case_nodes): Handle the case where the index is a
5728 CONST_INT, where the comparison mode is specified by the index type.
5730 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5732 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5735 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5737 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5738 (*branch_fp_inverted): Likewise.
5740 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5743 * omp-low.c (expand_omp_for_generic): Mark istart0
5744 and iend0 as addressable.
5746 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5748 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5750 2006-03-13 Jeff Law <law@redhat.com>
5752 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5753 virtual operands are interesting.
5754 (vrp_visit_stmt): Corresponding changes.
5756 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5758 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5760 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5761 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5762 * config/bfin/crti.S: Use it instead of __PIC__.
5763 * config/bfin/crtn.S: Likewise.
5765 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5766 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5768 Lose 'G' modifier for call operand.
5769 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5770 recognize 'G' modifier.
5772 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5775 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5776 * stmt.c (expand_case): Likewise.
5778 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5780 PR rtl-optimization/26254
5781 * loop-invariant.c (seq_insns_valid_p): New function.
5782 (move_invariant_reg): Only emit new code if it is valid.
5784 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5786 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5788 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5789 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5790 (commit_one_edge_insertion): Do not look for loop notes.
5792 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5794 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5795 flag_test_coverage out of loop.
5797 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5799 * final.c (shorten_branches): Remove outdated comment, and turn
5800 the if branch that guards it to continue.
5802 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5804 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5805 * cfgloop.h (struct loop): Remove unused fields.
5807 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5809 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5810 (-dL, -fdump-rtl-loop2): Update the dump file names
5812 * doc/invoke.texi: Update dump file names.
5814 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5816 * predict.c (estimate_probability): Remove.
5817 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5818 * basic-block.h (estimate_probability): Remove prototype.
5819 * passes.c (finish_optimization_passes): Dump branch prediction or
5820 profiling heuristics to the .profile tree dump.
5821 (init_optimization_passes): Unqueue pass_branch_prob.
5823 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5825 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5827 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5828 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5830 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5832 * function.h (frame_offset_overflow): Declare.
5833 * function.c (frame_offset_overflow): New function.
5834 (assign_stack_local_1): Call it to detect that the offset overflows.
5835 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5837 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5839 * config/sh/sh.c: Include alloc-pool.h.
5840 (label_ref_list_pool): New alloc pool.
5841 (label_ref_list_t): New type for lists of labels.
5842 (struct pool_node): Make wend a label_ref_list_t.
5843 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5845 (dump_table): Likewise.
5846 (sh_reorg): Set up the alloc pool before using add_constant and
5847 dump_table, and destroy it when finishing.
5849 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5851 * config/mips/mips.c: Remove redundant comment.
5853 2006-03-10 Jason Merrill <jason@redhat.com>
5856 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5857 the target was declared 'register'.
5859 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5861 * genpreds.c (write_insn_constraint_len): Change definition of
5862 insn_constraint_len to return size_t to match the declaration.
5864 2006-03-10 DJ Delorie <dj@redhat.com>
5866 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5868 (m32c_expand_insv): Fix test for an AND mask.
5870 2006-03-10 Richard Guenther <rguenther@suse.de>
5873 * builtins.c (get_pointer_alignment): Handle component
5874 references for field alignment.
5876 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5878 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5879 when building with libgloss.
5880 (sh*elf): Implement --without-fp option.
5881 (sh64-superh-linux*): Don't multilib.
5883 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5885 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5887 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5889 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5890 Set it when one of the replacement functions returned true.
5891 Return TODO_cleanup_cfg if cfgchanged is true.
5892 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5894 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5896 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5897 instead of gen_lowpart.
5899 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5901 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5903 (mips_output_order_conditional_branch): Declare.
5904 * config/mips/mips.h (MIPS_BRANCH): New macro.
5905 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5906 for the comparison. Use gen_condjump.
5907 (mips_output_conditional_branch): Rework interface to take the
5908 asm templates for a direct branch and the inverse of a direct branch.
5909 (mips_output_order_conditional_branch): New function.
5910 (mips_builtin_branch_and_move): New function.
5911 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5912 branch condition. Use gen_single_cc as the condition for
5913 __builtin_mips_upper_* or __builtin_mips_lower_*.
5914 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5915 Use VOIDmode for the branch condition.
5916 * config/mips/predicates.md (order_operator): New predicate.
5917 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5918 (branch_fp): Rename to...
5919 (*branch_fp): ...this. Remove mode from comparison operator.
5920 Use new mips_output_conditional_branch interface.
5921 (branch_fp_inverted): Rename to...
5922 (*branch_fp_inverted): ...this and update as for *branch_fp.
5923 (*branch_zero<mode>): Rename to...
5924 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5925 Use mips_output_order_conditional_branch. Only accept ordered
5927 (*branch_zero<mode>_inverted): Rename to...
5928 (*branch_order<mode>_inverted): ...this and update as for
5929 *branch_order<mode>.
5930 (*branch_equality<mode>): Accept zero as the second operand to
5931 the equality operator. Use the new mips_output_conditional_branch
5933 (*branch_equality<mode>_inverted): Likewise.
5934 (condjump): New expander.
5935 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5937 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5938 (bc1any2t, bc1any2f): Likewise.
5939 (single_cc): New expander.
5940 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5942 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5944 * doc/md.texi: Update documentation of MIPS constraints.
5945 * config/mips/constraints.md: New file.
5946 * config/mips/mips.md: Include it.
5947 * config/mips/mips.c (mips_char_to_class): Delete.
5948 (override_options): Don't initialize mips_char_to_class.
5949 * config/mips/mips.h (mips_char_to_class): Delete.
5950 (REG_CLASS_FROM_LETTER): Delete.
5951 (CONST_OK_FOR_LETTER_P): Delete.
5952 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5953 (EXTRA_CONSTRAINT_Y): Delete.
5954 (EXTRA_CONSTRAINT_STR): Delete.
5955 (CONSTRAINT_LEN): Delete.
5956 (EXTRA_MEMORY_CONSTRAINT): Delete.
5958 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5960 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5961 original fn's eh regions.
5963 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5965 * fold-const.c (build_range_check): Make sure to use a valid type to
5966 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5969 (range_predecessor): New static function.
5970 (range_successor): Likewise.
5971 (merge_ranges): Use them to compute predecessors and successors of
5974 2006-03-09 Roger Sayle <roger@eyesopen.com>
5977 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5978 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5980 2006-03-08 DJ Delorie <dj@redhat.com>
5982 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5983 (addpsi3): Expand to include memory operands. Remove
5984 reload-specific splits.
5985 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5986 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5987 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5988 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5989 (shift1_qi, shift1_hi, insv): New.
5990 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5991 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5992 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5994 * config/m32c/m32c-protos.h: Update as needed.
5995 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5996 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5997 Fail for unrecognized R* constraints.
5998 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5999 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6000 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6002 (m32c_init_libfuncs): New.
6003 (m32c_legitimate_address_p): Add debug wrapper.
6004 (m32c_rtx_costs): New.
6005 (m32c_address_cost): New.
6006 (conversions): Add 'B' prefix.
6007 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6008 operands, or word regnames for QI operands. 'B' prints bit
6010 (m32c_expand_setmemhi): New.
6011 (m32c_expand_movmemhi): New.
6012 (m32c_expand_movstr): New.
6013 (m32c_expand_cmpstr): New.
6014 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6015 (m32c_expand_neg_mulpsi3): Handle non-ints.
6016 (m32c_cmp_flg_0): New.
6017 (m32c_expand_movcc): New.
6018 (m32c_expand_insv): New.
6019 (m32c_scc_pattern): New.
6020 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6021 a0/a1 out of SIregs.
6022 (STORE_FLAG_VALUE): New.
6023 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6026 * config/m32c/mov.md: Make constraints more liberal.
6027 (zero_extendqihi2): Optimize r0/r1 case.
6028 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6029 * config/m32c/predicates.md (m32c_any_operand): New.
6030 (m32c_nonimmediate_operand): New.
6031 (m32c_hl_operand): New.
6032 (m32c_r3_operand): New.
6035 (memsym_operand): New.
6036 (memimmed_operand): New.
6037 (a_qi_operand): New.
6038 (m32c_eqne_operator): New.
6039 (m32c_1bit8_operand): New.
6040 (m32c_1bit16_operand): New.
6041 (m32c_1mask8_operand): New.
6042 (m32c_1mask16_operand): New.
6043 * config/m32c/blkmov.md: New file.
6044 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6046 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6048 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6049 unsigned to fix signed/unsigned comparison issue in
6050 DWARF2_FRAME_REG_OUT.
6051 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6052 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6054 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6055 of ptr into the ENABLE_CHECKING section.
6057 2006-03-08 Jeff Law <law@redhat.com>
6059 * tree-vrp.c (infer_value_range): Only count pointer uses
6060 and dereferences if -fdelete-null-pointer-checks is enabled.
6062 * tree-vrp.c (find_assert_locations): Infer value ranges for
6063 single use pointers, but do not create ASSERT_EXPRs for them.
6064 When a non-null range is inferred for a pointer, backwards
6065 propagate that range to other equivalent pointers through the
6068 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6071 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6072 language hook targets.
6073 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6074 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6075 if language hook targets were missing.
6077 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6079 * tree-ssa-opfinalize.h: Removed.
6080 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6082 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6083 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6084 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6085 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6086 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6087 finalize_ssa_v_must_def_ops): New.
6089 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6091 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6094 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6096 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6098 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6099 addresses with offsets; reorganize.
6101 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6102 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6103 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6105 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6108 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6110 2006-03-08 Ben Elliston <bje@au.ibm.com>
6112 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6114 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6117 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6120 2006-03-07 Richard Guenther <rguenther@suse.de>
6122 PR tree-optimization/26587
6123 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6125 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6127 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6129 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6131 * hooks.c (hook_bool_mode_rtx_true): New function.
6132 * hooks.h (hook_bool_mode_rtx_true): Declare.
6133 * toplev.c (compile_file): Call output_shared_constant_pool.
6134 * varasm.c (shared_constant_pool): New variable.
6135 (assemble_start_function, assemble_end_function): Remove arguments
6136 from call to output_constant_pool.
6137 (create_constant_pool): New function, split out from...
6138 (init_varasm_status): ...here.
6139 (force_const_mem): Choose between the shared and per-function constant
6140 pools. Set current_function_uses_const_pool when reusing old entries
6141 as well as when creating new ones.
6142 (mark_constant): Ignore data argument.
6143 (mark_constants): Remove pool argument.
6144 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6145 to decide whether the function uses a constant pool.
6146 (output_constant_pool_contents): New function, split out from...
6147 (output_constant_pool): ...here.
6148 (output_shared_constant_pool): New function.
6149 (init_varasm_once): Initialize shared_constant_pool.
6150 * output.h (output_constant_pool): Delete.
6151 (output_shared_constant_pool): Declare.
6152 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6153 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6155 2006-03-06 Nick Clifton <nickc@redhat.com>
6157 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6158 flag_strength_reduce.
6160 2006-03-06 Ben Elliston <bje@au.ibm.com>
6162 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6163 x86_64-*-linux* configurations.
6165 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6166 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6168 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6170 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6172 * basic-block.h: Remove the extern for
6173 rediscover_loops_after_threading.
6175 * cfgloop.c (cancel_loop): Make it static.
6176 * cfgloop.h: Remove the prototype for cancel_loop.
6178 * flow.c (recompute_reg_usage): Make it static.
6179 * rtl.h: Remove the prototype for recompute_reg_usage.
6181 * function.c (use_return_register): Make it static.
6182 * function.h: Remove the prototype.
6184 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6186 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6188 * recog.h: Remove the prototype for
6189 validate_change_maybe_volatile.
6191 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6193 * rtlanal.c (replace_reg): Remove.
6194 * rtl.h: Remove the prototype for replace_reg.
6196 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6198 * regclass.c (reg_scan_update): Remove.
6199 (reg_scan_mark_refs): Remove the last argument.
6200 * rtl.h: Remove the prototype for reg_scan_update.
6202 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6204 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6205 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6206 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6207 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6208 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6209 loop-invariant.c, omp-low.c, opts.c, passes.c,
6210 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6211 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6212 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6213 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6214 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6215 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6219 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6220 * dwarf2out.h: Remove the prototype for
6221 dwarf2out_add_library_unit_info.
6223 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6225 * tree.c (add_var_to_bind_expr): Remove.
6226 * tree.h: Remove the prototype for add_var_to_bind_expr.
6228 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6230 * regclass.c (n_non_fixed_regs): Remove.
6231 (init_reg_sets_1, globalize_reg): Remove all uses of
6233 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6235 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6237 * rtlanal.c (insns_safe_to_move_p): Remove.
6238 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6240 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6242 * expmed.c (expand_mult_add): Remove.
6243 * expr.h: Remove the prototype for expand_mult_add.
6245 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6247 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6248 and REG_SAVED_VAL_EXP constants.
6249 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6250 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6251 Handle regs stored by value.
6252 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6253 (execute_cfa_program): Handle DW_CFA_val_offset,
6254 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6255 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6256 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6257 (uw_install_context_1): Handle target regs stored by value.
6259 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6261 * tree-sra.c (tree_sra): Return todoflags;
6262 (generate_one_element): Set TODO_update_smt_usage if needed.
6263 (pass_sra): Remove TODO_update_smt_usage.
6264 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6266 (tree_ssa_forward_propagate_single_use_vars): Return
6267 TODO_update_smt_usage if we need to update SMT usage.
6268 (pass_forwprop): Remove TODO_update_smt_usage.
6270 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6272 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6273 (correct_use_link): Remove reference to get_stmt_operands.
6274 (update_stmt_operands): Likewise.
6275 (get_modify_expr_operands): New function factored out of
6276 parse_ssa_operands and get_expr_operands.
6277 Try to create V_MUST_DEFs for LHS by default.
6278 (get_expr_operands) <case MODIFY_EXPR>: Call
6279 get_modify_expr_operands.
6280 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6281 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6282 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6283 get_modify_expr_operands.
6285 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6287 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6288 * tree-flow.h: Remove the prototype for
6289 referenced_var_lookup_if_exists.
6291 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6293 PR rtl-optimization/26345
6295 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6297 2006-03-03 Roger Sayle <roger@eyesopen.com>
6299 PR tree-optimization/26524
6300 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6301 fold_convert to create a constant of the appropriate type.
6303 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6305 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6306 SYMBOL_REF_IN_BLOCK_P.
6307 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6308 of SYMBOL_FLAG_IN_BLOCK.
6309 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6310 instead of SYMBOL_REF_IN_BLOCK_P.
6311 * explow.c (use_anchored_address): Likewise.
6312 * rtl.c (rtx_size): Likewise.
6313 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6314 instead of SYMBOL_FLAG_IN_BLOCK.
6315 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6316 SYMBOL_REF_IN_BLOCK_P.
6317 (assemble_variable): Likewise.
6318 (output_constant_def_contents): Likewise.
6319 (output_constant_pool): Likewise.
6320 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6321 instead of SYMBOL_FLAG_IN_BLOCK.
6322 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6323 SYMBOL_REF_IN_BLOCK_P.
6324 (SYMBOL_REF_BLOCK): Likewise.
6325 (SYMBOL_REF_OFFSET): Likewise.
6326 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6327 SYMBOL_REF_IN_BLOCK_P.
6328 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6329 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6330 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6331 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6333 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6335 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6337 2006-03-02 Roger Sayle <roger@eyesopen.com>
6339 * simplify-rtx.c (simplify_unary_operation): When simplifying
6340 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6341 that we perform the right shift in the appropriate mode, and
6342 then extend or truncate the result to requested mode.
6344 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6346 * gengtype.c (main): Handle double_int type.
6347 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6348 * double-int.c: New file.
6349 * double-int.h: New file.
6350 * system.h: Include doubleint.h.
6351 * Makefile.in (SYSTEM_H): Include double-int.h.
6352 (double-int.o): Add.
6354 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6357 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6360 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6362 * tree-vrp.c (remove_range_assertions): Do not update statements
6365 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6367 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6369 * gcse.c (rest_of_handle_gcse): Ditto.
6370 * except.c (gate_handle_eh): Ditto.
6371 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6372 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6374 2006-03-02 Eric Christopher <echristo@apple.com>
6376 * config/i386/i386.c (machopic_output_stub): Add indirection to
6379 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6383 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6385 Sun Niagara specific optimizations.
6386 * config.gcc: Recognize niagara as target.
6387 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6388 (TARGET_CPU_niagara): Define.
6389 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6390 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6391 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6392 (ASM_CPU_SPEC): Likewise.
6393 (PROCESSOR_NIAGARA): New enum entry.
6394 (REGISTER_MOVE_COST): Handle Niagara.
6395 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6396 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6397 (sparc_override_options): Recognize "niagara", set appropriate
6398 default MASK_* values for it, and align functions to 32-bytes
6399 by default just like ULTRASPARC/ULTRASPARC3.
6400 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6401 (sparc64_initialize_trampoline): Likewise.
6402 (sparc_use_sched_lookahead): Use zero for niagara.
6403 (sparc_issue_rate): Use one for niagara.
6404 * config/sparc/niagara.md: New file.
6405 * config/sparc/sparc.md: Include it.
6406 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6407 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6408 when default cpu is niagara.
6409 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6410 (ASM_CPU_SPEC): Likewise.
6411 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6412 when default cpu is niagara.
6413 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6414 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6415 just like v9/ultrasparc/ultrasparc3.
6416 * doc/invoke.texi: Add documentation for "niagara" and improve
6417 existing documentation for ultrasparc variants.
6419 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6421 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6423 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6425 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6426 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6427 and say that only one is needed.
6428 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6429 * target.h (have_switchable_bss_sections): New hook.
6430 * explow.c (use_anchored_address): Check that the symbol is in a block.
6431 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6432 (bss_noswitch_section): New variables.
6433 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6434 (get_noswitch_section): New function.
6435 (get_block_for_section): Allow SECT to be null.
6436 (unlikely_text_section_p): Use SECTION_STYLE.
6437 (bss_initializer_p): New function.
6438 (get_variable_section): Move earlier in file. Take a new argument,
6439 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6440 Return one of the new *_sections in such cases.
6441 (get_block_for_decl): New function, extracting some logic from
6442 use_blocks_for_decl_p.
6443 (change_symbol_section): Remove in favor of...
6444 (change_symbol_block): ...this new function.
6445 (use_blocks_for_decl_p): Remove checks now performed by
6447 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6448 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6449 (emit_local, emit_bss, emit_common): ...these new functions.
6450 Return true if the alignment was honored.
6451 (emit_tls_common): New function.
6452 (asm_emit_uninitialised): Delete.
6453 (assemble_variable_noswitch): New function, split out from...
6454 (assemble_variable): ...here. Don't make decisions about common
6455 variables here. Globalize all public decls that go into non-common
6456 sections. Check whether SYMBOL_REF_BLOCK is null.
6457 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6458 (output_constant_pool): Likewise.
6459 (init_varasm_once): Initialize the new section variables.
6460 (have_global_bss_p): New function.
6461 (categorize_decl_for_section): Use bss_initializer_p.
6462 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6463 (place_block_symbol): Assert that the symbol must be in a block.
6464 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6465 (TARGET_INITIALIZER): Include it.
6466 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6467 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6468 (SECTION_MACH_DEP): Bump by two.
6469 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6470 (unnamed_section): Mention SECTION_UNNAMED in comment.
6471 (named_section): Likewise SECTION_NAMED.
6472 (noswitch_section_callback): New type.
6473 (noswitch_section): New structure.
6474 (section): Add a noswitch_section alternative.
6475 (SECTION_STYLE): New macro.
6476 (tls_comm_section, comm_section, lcomm_section): Declare.
6477 (bss_noswitch_section, have_global_bss_p): Declare.
6478 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6479 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6481 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6482 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6485 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6487 * tree-vrp.c (execute_vrp): Return value.
6488 * regrename.c (rest_of_handle_regrename): Ditto.
6489 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6490 * tree-complex.c (tree_lower_complex): Ditto.
6491 (tree_lower_complex_O0): Ditto.
6492 * tracer.c (rest_of_handle_tracer): Ditto.
6493 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6494 * postreload.c (rest_of_handle_postreload): Ditto.
6495 * tree-tailcall.c (execute_tail_recursion): Ditto.
6496 (execute_tail_calls): Ditto.
6497 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6498 * tree.h (init_function_for_compilation): Ditto.
6499 * ipa-cp.c (ipcp_driver): Ditto.
6500 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6501 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6502 * final.c (compute_alignments): Ditto.
6503 (rest_of_handle_final): Ditto.
6504 (rest_of_handle_shorten_branches): Ditto.
6505 (rest_of_clean_state): Ditto.
6506 * omp-low.c (execute_expand_omp): Ditto.
6507 (execute_lower_omp): Ditto.
6508 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6509 * ipa-reference.c (static_execute): Ditto.
6510 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6511 * reorg.c (rest_of_handle_delay_slots): Ditto.
6512 (rest_of_handle_machine_reorg): Ditto.
6513 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6514 * flow.c (recompute_reg_usage): Ditto.
6515 (rest_of_handle_remove_death_notes): Ditto.
6516 (rest_of_handle_life): Ditto.
6517 (rest_of_handle_flow2): Ditto.
6518 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6519 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6520 (do_ssa_store_ccp): Ditto.
6521 (execute_fold_all_builtins): Ditto.
6522 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6523 * modulo-sched.c (rest_of_handle_sms): Ditto.
6524 * ipa-pure-const.c (static_execute): Ditto.
6525 * cse.c (rest_of_handle_cse): Ditto.
6526 (rest_of_handle_cse2): Ditto.
6527 * web.c (rest_of_handle_web): Ditto.
6528 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6529 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6530 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6531 * tree-nrv.c (tree_nrv): Ditto.
6532 (execute_return_slot_opt): Ditto.
6533 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6534 (create_structure_vars): Ditto.
6535 * loop-init.c (rtl_loop_init): Ditto.
6536 (rtl_loop_done): Ditto.
6537 (rtl_move_loop_invariants): Ditto.
6538 (rtl_unswitch): Ditto.
6539 (rtl_unroll_and_peel_loops): Ditto.
6540 (rtl_doloop): Ditto.
6541 * gimple-low.c (lower_function_body): Ditto.
6542 (mark_used_blocks): Ditto.
6543 * tree-ssa-sink.c (execute_sink_code): Ditto.
6544 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6545 (cgraph_early_inlining): Ditto.
6546 * global.c (rest_of_handle_global_alloc): Ditto.
6547 * jump.c (cleanup_barriers): Ditto.
6548 (purge_line_number_notes): Ditto.
6549 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6550 (rest_of_handle_if_after_reload): Ditto.
6551 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6552 (tree_ssa_loop_im): Ditto.
6553 (tree_ssa_loop_unswitch): Ditto.
6554 (tree_vectorize): Ditto.
6555 (tree_linear_transform): Ditto.
6556 (tree_ssa_loop_ivcanon): Ditto.
6557 (tree_ssa_empty_loop): Ditto.
6558 (tree_ssa_loop_bounds): Ditto.
6559 (tree_complete_unroll): Ditto.
6560 (tree_ssa_loop_prefetch): Ditto.
6561 (tree_ssa_loop_ivopts): Ditto.
6562 (tree_ssa_loop_done): Ditto.
6563 * predict.c (tree_estimate_probability): Ditto.
6564 * recog.c (split_all_insns_noflow): Ditto.
6565 (rest_of_handle_peephole2): Ditto.
6566 (rest_of_handle_split_all_insns): Ditto.
6567 * tree-eh.c (lower_eh_constructs): Ditto.
6568 * regmove.c (rest_of_handle_regmove): Ditto.
6569 (rest_of_handle_stack_adjustments): Ditto.
6570 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6571 * function.c (instantiate_virtual_regs): Ditto.
6572 (init_function_for_compilation): Ditto.
6573 (rest_of_handle_check_leaf_regs): Ditto.
6574 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6575 (rest_of_handle_gcse): Ditto.
6576 * ipa-type-escape.c (type_escape_execute): Ditto.
6577 * alias.c (rest_of_handle_cfg): Ditto.
6578 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6579 * profile.c (rest_of_handle_branch_prob): Ditto.
6580 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6581 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6582 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6583 * tree-dfa.c (find_referenced_vars): Ditto.
6584 * except.c (set_nothrow_function_flags): Ditto.
6585 (convert_to_eh_region_ranges): Ditto.
6586 (rest_of_handle_eh): Ditto.
6587 * emit-rtl.c (unshare_all_rtl): Ditto.
6588 (remove_unnecessary_notes): Ditto.
6589 * except.h (set_nothrow_function_flags): Ditto.
6590 (convert_to_eh_region_ranges): Ditto.
6591 * cfgexpand.c (tree_expand_cfg): Ditto.
6592 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6593 * tree-ssa-pre.c (do_pre): Ditto.
6594 (execute_fre): Ditto.
6595 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6596 (rest_of_handle_jump2): Ditto.
6597 * tree-sra.c (tree_sra): Ditto.
6598 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6599 (execute_mudflap_function_decls): Ditto.
6600 * tree-ssa-copy.c (do_copy_prop): Ditto.
6601 (do_store_copy_prop): Ditto.
6602 * ipa-prop.h (ipcp_driver): Ditto.
6603 * cfglayout.c (insn_locators_initialize): Ditto.
6604 * tree-ssa-forwprop.c
6605 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6606 * cfglayout.h (insn_locators_initialize): Ditto.
6607 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6608 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6609 (execute_late_warn_uninitialized): Ditto.
6610 * rtl.h (cleanup_barriers): Ditto.
6611 (split_all_insns_noflow): Ditto.
6612 (purge_line_number_notes): Ditto.
6613 (unshare_all_rtl): Ditto.
6614 (remove_unnecessary_notes): Ditto.
6615 (recompute_reg_usage): Ditto.
6616 (variable_tracking_main): Ditto.
6617 * integrate.c (emit_initial_value_sets): Ditto.
6618 * integrate.h (emit_initial_value_sets): Ditto.
6619 * tree-optimize.c (execute_free_datastructures): Ditto
6620 (execute_free_cfg_annotations): Ditto.
6621 (execute_fixup_cfg): Ditto.
6622 (execute_cleanup_cfg_pre_ipa): Ditto.
6623 (execute_cleanup_cfg_post_optimizing): Ditto.
6624 (execute_init_datastructures): Ditto.
6625 * tree-object-size.c (compute_object_sizes): Ditto.
6626 * combine.c (rest_of_handle_combine): Ditto.
6627 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6628 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6629 (rest_of_handle_reorder_blocks): Ditto.
6630 (rest_of_handle_partition_blocks): Ditto.
6631 * var-tracking.c (variable_tracking_main): Ditto.
6632 * tree-profile.c (tree_profiling): Ditto.
6633 * tree-vect-generic.c (expand_vector_operations): Ditto.
6634 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6635 * sched-rgn.c (rest_of_handle_sched): Ditto.
6636 (rest_of_handle_sched2): Ditto.
6637 * basic-block.h (free_bb_insn): Ditto.
6638 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6639 * tree-cfg.c (execute_build_cfg): Ditto.
6640 (remove_useless_stmts): Ditto.
6641 (split_critical_edges): Ditto.
6642 (execute_warn_function_return): Ditto.
6643 (execute_warn_function_noreturn): Ditto.
6644 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6645 * cfgrtl.c (free_bb_for_insn): Ditto.
6646 * passes.c (execute_one_pass): Run additional
6647 todos returned by execute function.
6648 * tree-pass.h (struct tree_opt_pass): Make execute
6651 2006-03-02 Richard Guenther <rguenther@suse.de>
6653 * tree-ssa-alias.c (find_used_portions): Consider taking
6654 the address as making the variable not write-only.
6656 2006-03-02 Nick Clifton <nickc@redhat.com>
6658 * config.gcc (default_use_cxa_atexit): Extend the description of
6659 this configure variable. Set its default value to "yes" for
6660 Linux, NetBSD and ELF targets on the assumption that they will
6661 use C libraries with the __cxa_atexit function.
6663 2006-03-02 Ben Elliston <bje@au.ibm.com>
6665 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6666 parameter as unused to suppress a build warning.
6668 2006-03-02 Ben Elliston <bje@au.ibm.com>
6670 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6673 2006-03-01 Roger Sayle <roger@eyesopen.com>
6676 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6677 declared name, the weak reference name, and the typeof name.
6678 (__gthrw): Avoid expanding the declared name suffix.
6679 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6681 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6683 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6685 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6686 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6687 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6688 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6689 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6690 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6691 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6692 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6693 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6694 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6695 (DW_END_default, DW_END_big, DW_END_little): New.
6696 (DW_END_lo_user, DW_END_hi_user): Define.
6697 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6698 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6699 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6702 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6704 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6706 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6708 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6710 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6712 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6713 to 'symbol_mem_tag'.
6715 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6718 2006-03-01 Roger Sayle <roger@eyesopen.com>
6720 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6722 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6725 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6726 MACHO_DYNAMIC_NO_PIC_P.
6727 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6729 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6732 * config/darwin-protos.h (darwin_asm_output_anchor):
6734 * config/darwin-sections.def (cstring_section):
6735 Add SECTION_MERGE to the flags.
6736 (literal4_section): Likewise.
6737 (literal8_section): Likewise.
6738 (objc_selector_refs_section): Likewise.
6739 (objc_cls_refs_section): Likewise.
6740 * config/darwin.c (darwin_asm_output_anchor): New
6742 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6744 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6746 Fix PR tree-optimization/26443
6747 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6748 to todo and PROP_tmt_usage to properties_destroyed.
6749 * tree-ssa-ccp.c (pass_ccp): Ditto.
6750 (pass_store_ccp): Ditto.
6751 * tree-ssa-dom.c (pass_dominator): Ditto.
6753 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6755 * tree-ssa-operands.c: Cleanup whitespace.
6756 (get_asm_expr_operands): Move before first invocation.
6757 (get_indirect_ref_operands): Likewise.
6758 (get_tmr_operands): Likewise.
6759 (get_call_expr_operands): Likewise.
6760 (append_def): Likewise.
6761 (append_use): Likewise.
6762 (append_v_may_def): Likewise.
6763 (append_v_must_def): Likewise.
6764 (add_call_clobber_ops): Likewise.
6765 (add_call_read_ops): Likewise.
6766 (add_stmt_operand): Likewise.
6767 (add_virtual_operand): Likewise.
6768 (build_ssa_operands): Likewise.
6770 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6775 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6776 with a call expr to ...
6777 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6779 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6781 * tree-vrp.c (extract_range_from_assert): Remove special
6782 handling for types with super-types.
6784 2006-03-01 Ben Elliston <bje@au.ibm.com>
6786 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6787 and powerpc64-*-linux* configurations.
6788 * config/t-dfprules: New file.
6790 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6791 Compile dfp-bit.c from the source directory using -DWIDTH and
6792 $DFP_CFLAGS to control the compilation of that file, rather than
6793 generating width-specific versions in the build directory.
6794 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6795 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6797 2006-02-28 Zack Weinberg <zackw@panix.com>
6799 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6802 2006-02-28 Eric Christopher <echristo@apple.com>
6804 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6805 Set up IN_LIBGCC definition of TARGET_64BIT.
6806 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6808 2006-02-28 Roger Sayle <roger@eyesopen.com>
6811 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6812 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6813 cases via the construction of "expr != 0".
6815 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6817 * alias.c (alias_invariant, alias_invariant_size): Remove.
6818 (record_base_value): Remove.
6819 (memrefs_conflict_p): Don't look at alias_invariant.
6820 (end_alias_analysis): Don't free it.
6821 * alias.h (record_base_value): Remove prototype.
6823 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6824 Adam Nemet <anemet@caviumnetworks.com>
6826 * rtl.h (truncated_to_mode): Declare it.
6827 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6828 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6829 (RTL_HOOKS_INITIALIZER): Include it.
6830 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6831 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6832 reg_truncated_to_mode.
6833 * rtlanal.c (truncated_to_mode): Define it.
6834 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6836 2006-02-28 Jeff Law <law@redhat.com>
6838 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6839 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6840 the range allowed by TYPE_PRECISION.
6842 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6844 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6846 PR tree-optimization/26419
6847 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6850 2006-02-27 Zack Weinberg <zackw@panix.com>
6852 * doc/md.texi: Fix typo in previous change.
6854 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6858 2006-02-27 Zack Weinberg <zackw@panix.com>
6860 * rtl.def (define_constraint, define_register_constraint)
6861 (define_memory_constraint, define_address_constraint): New MD forms.
6862 * gensupport.c (process_rtx): Put define_constraint etc on the
6864 * genpreds.c (process_define_predicate): Adjust comment. Validate
6865 the name, and call validate_exp to validate the expression.
6866 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6867 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6868 all callers changed.
6869 (validate_exp, needs_variable, struct constraint_data)
6870 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6871 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6872 (const_dbl_constraints, constraint_max_namelen)
6873 (have_register_constraints, have_memory_constraints)
6874 (have_address_constraints, have_address_constraints)
6875 (have_extra_constraints, have_const_int_constraints)
6876 (have_const_dbl_constraints, mangle, add_constraint)
6877 (process_define_constraint, process_define_register_constraint)
6878 (write_enum_constraint_num, write_lookup_constraint)
6879 (write_insn_constraint_len, write_regclass_for_constraint)
6880 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6881 (write_insn_extra_memory_constraint)
6882 (write_insn_extra_address_constraint)
6883 (write_satisfies_constraint_fns): New.
6884 (write_tm_preds_h): If we have new-style constraint definitions,
6885 prototype the functions generated from them, and define the
6886 old constraint interface (still used by generic code) in terms of
6888 (write_insn_preds_c): If we have new-style constraint definitions,
6889 generate all relevant functions from those definitions.
6890 (main): Handle define_constraint etc.
6891 * genoutput.c (struct constraint_data, indep_constraints)
6892 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6893 (mdep_constraint_len): New data structures and functions, defined
6894 #ifdef USE_MD_CONSTRAINTS.
6895 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6896 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6897 use new logic to validate operand constraints against constraint
6899 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6901 * defaults.h: If none of the old-style constraint macros are
6902 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6903 old-style macros; and poison REG_CLASS_FROM_LETTER,
6904 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6906 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6907 * doc/md.texi: Document new constraint-definition mechanism and the
6908 C interface it provides. Remove references to old mechanism
6909 elsewhere in the document.
6910 (Machine Constraints): Use pathnames relative to gcc directory,
6911 i.e. config/ARCH/FILE. Change i386 section to refer to
6912 config/i386/predicates.md; update that section to match docstrings.
6913 * doc/tm.texi: Move all documentation of the old constraint-
6914 definition macros to their own section, clearly mark as obsolete.
6916 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6917 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6919 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6920 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6921 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6923 (splits and peepholes): Use satisfies_constraint_*.
6924 * config/i386/i386.c (memory_address_length)
6925 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6927 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6929 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6930 scalar operation to be put back into the loop.
6932 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6935 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6936 (extract_cie_info): Handle S flag in augmentation string.
6937 (execute_cfa_program): If context->signal_frame, execute also
6938 fs->pc == context->ra instructions.
6939 (uw_frame_state_for): If context->signal_frame, don't subtract one
6940 from context->ra to find FDE.
6941 (uw_update_context_1): Set context->signal_frame to
6943 (_Unwind_GetIPInfo): New function.
6944 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6945 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6947 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6948 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6949 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6950 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6951 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6952 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6953 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6954 x86_64_fallback_frame_state): Set fs->signal_frame.
6955 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6956 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6957 (frob_update_context): Likewise. Workaround missing S flag in
6958 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6959 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6960 Remove the psw_addr + 1 hack.
6962 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6964 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6965 with aggregates here.
6966 (find_func_aliases): Remove code for &<aggregate> from here.
6968 2006-02-26 Roger Sayle <roger@eyesopen.com>
6970 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6971 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6972 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6975 2006-02-26 Roger Sayle <roger@eyesopen.com>
6978 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6980 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6982 * opts.c (decode_options): Do not handle flag_strength_reduce.
6983 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6984 and OPT_fstrength_reduce.
6985 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6986 flag_prefetch_loop_arrays for being nonzero.
6987 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6989 (fprefetch-loop-arrays-rtl): Removed.
6990 (flag_prefetch_loop_arrays): Do not specify the value.
6992 * doc/passes.texi: Update documentation of loop optimizer
6994 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6995 -frerun-loop-opt): Remove.
6997 2006-02-26 Richard Guenther <rguenther@suse.de>
6999 PR tree-optimization/26421
7000 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7001 in function calls that are ADDR_EXPRs as using the whole structure.
7003 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7005 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7006 * tree-pass.h (pass_loop_optimize): Remove.
7007 * passes.c (pass_loop_optimize): Never run it.
7008 * toplev.c (backend_init): Don't call init_loop.
7009 * opts.c (flag_loop_optimize_set): Remove.
7010 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7011 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7012 the old RTL loop optimizer when profiling enabled.
7013 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7014 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7015 pre-headers for the sake of the old RTL loop optimizer.
7016 * Makefile.in: Remove all references to loop.o.
7018 * doc/invoke.texi: Remove all references to -floop-optimize
7019 and -frerun-loop-opt.
7021 2006-02-26 Zack Weinberg <zackw@panix.com>
7023 * doc/md.texi (Machine Constraints): Refer to all files with paths
7024 relative to gcc directory (i.e. config/CPU/file). Add missing
7025 @table @code ... @end table to M32C subsection.
7027 2006-02-26 Roger Sayle <roger@eyesopen.com>
7029 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7031 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7033 2006-02-26 Roger Sayle <roger@eyesopen.com>
7034 James A. Morrison <phython@gcc.gnu.org>
7037 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7038 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7039 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7040 signedness of the shift operation.
7042 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7044 PR tree-optimization/26359
7045 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7047 2006-02-25 Roger Sayle <roger@eyesopen.com>
7049 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7050 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7051 as X == 0, and some symmetry related transformations.
7052 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7054 2006-02-25 Roger Sayle <roger@eyesopen.com>
7057 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7058 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7059 symmetry related transformations. Fold (X^C1) == C2 as
7062 2006-02-25 Juergen Weigert <jw@suse.de>
7063 Richard Guenther <rguenther@suse.de>
7065 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7067 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7069 * combine.c (gen_lowpart_or_truncate): Call
7070 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7072 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7074 * doc/invoke.texi: Move -fopenmp description to "Options for
7076 Remove reference to -lgomp.
7078 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7080 * doc/install.texi: Require GNU tar version 1.14.
7082 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7084 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7085 * doc/invoke.texi (C++ Dialect Options): Document
7086 -fno-use-cxa-get-exception-ptr.
7087 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7088 * configure: Regenerate.
7089 * c.opt (fuse-cxa-get-exception-ptr): New.
7090 * c-opts.c (c_common_handle_option): Handle
7091 OPT_fuse_cxa_get_exception_ptr.
7092 * c-common.c (flag_use_cxa_atexit): Update documentation.
7093 (flag_use_cxa_get_exception_ptr): New.
7094 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7095 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7097 (C_COMMON_OVERRIDE_OPTIONS): New.
7099 2006-02-24 Roger Sayle <roger@eyesopen.com>
7102 * combine.c (try_combine): Explicitly check whether GET_CODE is
7103 a SET or a CLOBBER, instead on checking that it isn't a USE.
7105 2006-02-24 Roger Sayle <roger@eyesopen.com>
7107 * fold-const.c (fold_comparison): New subroutine of fold_binary
7108 containing transformations common to both the equality and
7109 ordering relational operators, factored out of fold_binary.
7110 (fold_binary): Separate out the equality operators (EQ_EXPR
7111 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7112 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7113 transformations common to both.
7114 (fold_div_compare): Fix latent bugs in the previously unreachable
7115 LT_EXPR and GE_EXPR cases.
7117 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7119 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7120 decl libname for clog to __clog on AIX.
7122 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7124 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7127 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7128 output traceback table for thunks. Localise rs6000_stack_info call.
7130 2006-02-23 Roger Sayle <roger@eyesopen.com>
7131 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7133 * gthr-posix.h (__gthrw): Fix typo in comment.
7135 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7137 * doc/cpp.texi (Character sets): Document that we do support
7138 input files to be in any character set.
7140 2006-02-23 Jeff Law <law@redhat.com>
7142 * tree.h (PHI_ARG_NONZERO): Remove.
7143 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7144 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7145 node to the new node.
7147 PR tree-optimization/26425
7148 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7149 min/max, then assume its varying.
7151 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7153 PR rtl-optimization/26316
7154 * rtlanal.c (enum may_trap_p_flags): New.
7155 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7156 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7157 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7158 (may_trap_after_code_motion_p): New function.
7159 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7160 (find_invariant_insn): Use may_trap_after_code_motion_p.
7161 * rtl.h (may_trap_after_code_motion_p): Declare.
7163 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7165 * emit-rtl.c (immed_double_const): Cleanup.
7167 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7169 Fix PR tree-optimization/26376
7170 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7173 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7176 * gimplify.c (omp_add_variable): Guard variable size decl test with
7177 DECL_SIZE (decl) check.
7179 2006-02-23 Richard Guenther <rguenther@suse.de>
7182 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7183 like aggregate types.
7185 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7187 * configure.ac: Add --with{,out}-long-double-128 configure option.
7188 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7189 * configure: Rebuilt.
7190 * config.in: Rebuilt.
7191 * doc/install.texi (Options specification): Document
7192 --with-long-double-128.
7194 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7195 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7196 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7197 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7199 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7201 * config/s390/s390.c (override_options): Handle
7202 TARGET_DEFAULT_LONG_DOUBLE_128.
7204 * config/alpha/alpha.c (override_options): Handle
7205 TARGET_DEFAULT_LONG_DOUBLE_128.
7207 * config/sparc/sparc.c (sparc_override_options): Handle
7208 TARGET_DEFAULT_LONG_DOUBLE_128.
7210 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7212 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7213 (real-install-headers-tar, real-install-headers-cpio)
7214 (real-install-headers-cp): New targets.
7216 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7218 * tree.h (variable_section): Delete.
7219 * varasm.c (variable_section): Delete.
7221 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7223 * install.texi: Add notes on install.texi2html.
7224 (Building in parallel): Do not use footnotes.
7226 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7229 * doc/install.texi (Configuration): Document --disable-libgomp.
7231 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7233 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7235 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7237 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7238 (vec_extractv2df_0_sse): New.
7240 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7242 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7243 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7244 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7245 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7246 to the result of the expression.
7247 (def_cfa_1): Adjust.
7248 (frame_pointer_cfa_offset): Rename to...
7249 (frame_pointer_fb_offset): ... this. Adjust all uses.
7250 (convert_cfa_to_loc_list): Rename to...
7251 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7252 Pass it on to build_cfa_loc.
7253 (compute_frame_pointer_to_cfa_displacement): Rename to...
7254 (compute_frame_pointer_to_fb_displacement): ... this. New
7255 offset parameter. Use it in computation.
7256 (gen_subprogram_die): Compute cfa_fb_offset with the new
7257 macro, and use it to compute the fb loc list and the
7260 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7262 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7263 replaced with register_operand.
7264 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7265 non-DREG is expensive.
7266 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7267 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7270 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7272 * doc/install.texi2html: Use set -e.
7274 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7276 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7277 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7278 * doc/invoke.texi (-fshared-data): Delete.
7279 * common.opt (fshared-data): Delete.
7280 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7281 (assemble_static_space): Remove #if 0 code.
7282 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7283 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7284 * config/cris/cris.h: Remove FIXME.
7286 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7288 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7291 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7294 * combine.c (simplify_shift_const_1): Disable nested shifts
7295 optimization for vector shifts.
7297 2006-02-20 Roger Sayle <roger@eyesopen.com>
7299 PR tree-optimization/26361
7300 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7301 of unsigned integer types.
7303 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7305 * tree-chrec.c (eq_evolutions_p): New.
7306 * tree-chrec.h (eq_evolutions_p): Declared.
7307 * tree-data-ref.c: Fix formatting.
7308 (datadep_stats, dependence_stats): New.
7310 (print_direction_vector): New.
7311 (dump_data_dependence_relation): Use print_direction_vector.
7312 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7313 (compute_subscript_distance): Static.
7314 (initialize_data_dependence_relation): Static. Get the number
7315 of loops surrounding the references from the callers, and initialize
7316 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7317 base_object_differ_p analyzers.
7318 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7319 compute_overlap_steps_for_affine_1_2,
7320 analyze_subscript_affine_affine): Count the classified dependences.
7321 Print a message when a test failed.
7322 (can_use_analyze_subscript_affine_affine): New.
7323 (analyze_siv_subscript): Compute the data dependences on symbolic
7324 scevs that verify can_use_analyze_subscript_affine_affine.
7325 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7326 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7327 Handle symbolic scevs.
7328 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7330 (subscript_dependence_tester): Moved...
7331 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7332 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7333 DDR_SIZE_VECT instead of getting it in parameter.
7334 (subscript_dependence_tester): ... here. Take as a parameter
7335 loop_nest_depth. Call build_classic_dist_vector and
7336 build_classic_dir_vector.
7337 (compute_affine_dependence): Update subscript_dependence_tester
7338 parameters. Update datadep_stats counters. Call
7339 compute_subscript_distance.
7340 (compute_self_dependence): Save the dist and dir vectors. Call
7341 compute_subscript_distance.
7342 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7343 (compute_all_dependences): Reorder parameters as they were before
7344 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7345 compute_subscript_distance. Update the use of
7346 compute_affine_dependence and initialize_data_dependence_relation.
7347 (find_data_references_in_loop): Handle COMPONENT_REF.
7348 (compute_data_dependences_for_loop): Initialize dependence_stats.
7349 Don't call build_classic_dist_vector and build_classic_dir_vector.
7350 Update the parameters of initialize_data_dependence_relation and
7351 compute_all_dependences. Print the statistics from datadep_stats.
7352 (analyze_all_data_dependences): Static. Not used until the pass for
7353 checking the data dependences is contributed.
7354 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7355 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7356 (initialize_data_dependence_relation, compute_affine_dependence,
7357 analyze_all_data_dependences, compute_subscript_distance): Removed.
7358 (print_direction_vector): New.
7359 * lambda.h (gcd): ... here.
7360 (lambda_vector_gcd): Moved here from gcd_vector.
7361 * lambda-code.c (gcd, gcd_vector): Removed.
7362 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7363 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7365 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7367 * ipa-type-escape.c: Tidy some comments and white space.
7368 * tree-ssa-operands.c: Likewise.
7370 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7373 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7374 (dump_decl_name): Do not walk the decl tree chains.
7375 * tree-pass.h (TDF_CHAIN): Remove.
7377 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7379 * Makefile.in (C): Remove
7381 (.PHONY): Remove C and PROTO
7383 2006-02-20 Roger Sayle <roger@eyesopen.com>
7386 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7387 deprecated CHAR_TYPE tree code.
7389 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7391 * configure.ac (target_list): Add install-info, dvi, html.
7392 * configure: Regenerate.
7394 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7395 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7396 treelang/Make-lang.in: Do not use double-colon rules.
7398 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7400 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7401 (TMT_USED_ALONE): New macro.
7402 * tree-pass.h (PROP_tmt_usage): New property.
7403 (TODO_update_tmt_usage): New todo.
7404 * tree-ssa-alias.c (updating_used_alone): New variable.
7405 (recalculate_used_alone): New function.
7406 (compute_may_aliases): Set updating_used_alone, call
7407 recalculate_used_alone.
7408 * tree-sra.c (pass_sra): Note that this pass destroys
7409 PROP_tmt_usage, and add TODO_update_tmt_usage.
7410 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7411 * tree-flow.h (updating_used_alone): Prototype.
7412 (recalculate_used_alone): Ditto.
7413 * passes.c (execute_todo): Add code to set updating_used_alone,
7414 and call recalculate.
7415 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7416 for clobber if used alone, and add assert to verify used_alone
7419 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7421 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7422 for non tls symbols added.
7423 (legitimize_address): Do nothing for PLUS expressions if one of the
7424 addends is a tls symbol reference.
7426 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7430 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7432 * Makefile.in (BOOTSTRAPPING): New.
7433 (quickstrap): New definition if BOOTSTRAPPING=yes.
7435 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7436 * configure.ac: Substitute all_selected_languages with the languages
7437 that were configured. For all the other variables except
7438 lang_specs_files, include all the languages in the tree.
7439 * configure: Regenerate.
7441 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7442 if there is one. Run the commands to run fixincludes in the same
7445 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7446 * doc/install.texi: Document exact conventions for searching target tools.
7447 Document --with-build-time-tools. Document toplevel bootstrap. Document
7448 something more about building an Ada cross-compiler. Don't list GNU Make
7449 requirements which affect all platforms.
7451 2006-02-19 Roger Sayle <roger@eyesopen.com>
7454 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7455 only equivalent if the have both the same mode and precision.
7457 2006-02-20 Ben Elliston <bje@au.ibm.com>
7459 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7461 2006-02-19 Roger Sayle <roger@eyesopen.com>
7462 Steven Bosscher <stevenb.gcc@gmail.com>
7464 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7465 constant pool references to identify stack mode constants.
7466 * rtlanal.c (constant_pool_constant_p): New predicate to check
7467 whether operand is a floating point constant in the pool.
7468 * rtl.h (constant_pool_constant_p): Prototype here.
7469 * loop.c (scan_loop): Avoid hoisting constants from the constant
7470 pool on STACK_REGS targets.
7471 (load_mems): Likewise.
7472 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7473 loads into x87 registers expensive in terms of register pressure.
7475 2006-02-19 Roger Sayle <roger@eyesopen.com>
7477 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7478 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7480 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7482 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7483 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7485 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7487 * doc/invoke.texi: Document -fipa-pta.
7488 * common.opt: Add ipa-pta option.
7489 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7490 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7491 (do_ds_constraint): Ditto.
7492 (get_constraint_for): Only add to referenced_vars if
7493 referenced_vars exists.
7494 (insert_into_field_list): Rewrite to do this unsorted.
7495 (insert_into_field_list_sorted): Rename old insert_into_field_list
7497 (create_function_info_for): Use insert_into_field_list_sorted.
7498 (create_variable_info_for): Rewrite so it uses unsorted version,
7499 since the field list is sorted.
7500 (intra_create_variable_infos): Only add to referenced_vars if
7501 referenced_vars exists.
7502 (ipa_pta_execute): Init heapvars, and delete when done.
7503 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7505 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7507 * doc/install.texi: Add missing `@samp'.
7509 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7511 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7514 2006-02-18 Mark Wielaard <mark@klomp.org>
7516 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7517 who added new 4.1 features, bug fixes and integration support.
7519 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7522 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7525 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7527 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7528 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7529 (copy_insn_1): Likewise. Don't copy each field individually.
7531 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7533 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7534 * rtl.c (rtx_size): Rename variable to...
7535 (rtx_code_size): ...this.
7536 (rtx_size): New function.
7537 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7538 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7540 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7541 * rtl.h (rtx_code_size): New variable.
7542 (rtx_size): Change from a variable to a function.
7543 (RTX_SIZE): Rename to...
7544 (RTX_CODE_SIZE): ...this.
7547 PR tree-optimization/17106
7548 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7549 (Anchored Addresses): New section.
7550 * doc/invoke.texi (-fsection-anchors): Document.
7551 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7552 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7553 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7554 * hooks.c (hook_bool_mode_rtx_false): New function.
7555 * hooks.h (hook_bool_mode_rtx_false): Declare.
7556 * gengtype.c (create_optional_field): New function.
7557 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7558 SYMBOL_REF_IN_BLOCK_P is true.
7559 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7560 (min_anchor_offset, max_anchor_offset): Likewise.
7561 (use_anchors_for_symbol_p): New hook.
7562 * toplev.c (compile_file): Call output_object_blocks.
7563 (target_supports_section_anchors_p): New function.
7564 (process_options): Check that -fsection-anchors is only used on
7565 targets that support it and when -funit-at-a-time is in effect.
7566 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7567 if the decl doesn't have one.
7568 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7569 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7570 of force_const_mem through use_anchored_address.
7571 (expand_expr_constant): New function.
7572 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7573 calling expand_expr for INDIRECT_REF.
7574 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7575 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7576 * expr.h (use_anchored_address): Declare.
7577 * loop-unroll.c: Don't declare rtx vectors here.
7578 * explow.c: Include output.h.
7579 (validize_mem): Call use_anchored_address.
7580 (use_anchored_address): New function.
7581 * common.opt (-fsection-anchors): New switch.
7582 * varasm.c (object_block_htab, anchor_labelno): New variables.
7583 (hash_section, object_block_entry_eq, object_block_entry_hash)
7584 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7585 (use_blocks_for_decl_p, change_symbol_section): New functions.
7586 (get_variable_section): New function, split out from assemble_variable.
7587 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7588 use_blocks_for_decl_p say so. Use change_symbol_section if the
7589 symbol has already been created.
7590 (assemble_variable_contents): New function, split out from...
7591 (assemble_variable): ...here. Don't output any code for
7592 block symbols; just pass them to place_block_symbol.
7593 Use get_variable_section and assemble_variable_contents.
7594 (get_constant_alignment, get_constant_section, get_constant_size): New
7595 functions, split from output_constant_def_contents.
7596 (build_constant_desc): Create a block symbol if use_object_blocks_p
7597 says so. Or into SYMBOL_REF_FLAGS.
7598 (assemble_constant_contents): New function, split from...
7599 (output_constant_def_contents): ...here. Don't output any code
7600 for block symbols; just pass them to place_section_symbol.
7601 Use get_constant_section and get_constant_alignment.
7602 (force_const_mem): Create a block symbol if use_object_blocks_p and
7603 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7604 (output_constant_pool_1): Add an explicit alignment argument.
7605 Don't switch sections here.
7606 (output_constant_pool): Adjust call to output_constant_pool_1.
7607 Switch sections here instead. Don't output anything for block symbols;
7608 just pass them to place_block_symbol.
7609 (init_varasm_once): Initialize object_block_htab.
7610 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7611 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7612 (place_block_symbol, get_section_anchor, output_object_block)
7613 (output_object_block_htab, output_object_blocks): New functions.
7614 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7615 (TARGET_ASM_OUT): Include it.
7616 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7617 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7618 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7619 (TARGET_INITIALIZER): Include them.
7620 * rtl.c (rtl_check_failed_block_symbol): New function.
7621 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7622 (block_symbol, object_block): New structures.
7623 (rtx_def): Add a block_symbol field to the union.
7624 (BLOCK_SYMBOL_CHECK): New macro.
7625 (rtl_check_failed_block_symbol): Declare.
7626 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7627 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7628 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7629 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7630 * output.h (output_section_symbols): Declare.
7631 (object_block): Name structure.
7632 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7633 (default_use_anchors_for_symbol_p): Declare.
7634 * Makefile.in (RTL_BASE_H): Add vec.h.
7635 (explow.o): Depend on output.h.
7636 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7637 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7638 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7639 (rs6000_use_blocks_for_constant_p): New function.
7641 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7643 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7645 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7648 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7651 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7653 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7657 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7660 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7661 instead of DECL_REGISTER.
7663 2006-02-18 Olivier Hainque <hainque@adacore.com>
7666 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7668 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7671 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7672 * opth-gen.awk: Handle Var and InverseMask together.
7673 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7674 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7675 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7676 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7678 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7679 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7680 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7681 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7682 LINUX_DYNAMIC_LINKER): Define.
7683 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7684 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7686 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7687 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7688 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7689 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7690 (TARGET_C99_FUNCTIONS): Don't define.
7691 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7692 GLIBC_DYNAMIC_LINKER.
7693 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7694 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7695 GLIBC_DYNAMIC_LINKER64): Define.
7696 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7697 LINUX_DYNAMIC_LINKER64.
7698 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7700 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7702 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7704 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7705 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7706 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7707 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7708 and LINUX_DYNAMIC_LINKER32.
7709 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7710 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7711 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7712 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7713 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7715 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7716 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7717 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7718 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7719 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7720 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7721 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7722 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7723 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7724 LINUX_DYNAMIC_LINKER): Define.
7725 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7726 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7727 GLIBC_DYNAMIC_LINKER64): Define.
7728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7729 LINUX_DYNAMIC_LINKER64.
7730 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7731 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7732 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7733 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7734 LINUX_DYNAMIC_LINKER): Define.
7735 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7736 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7737 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7738 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7739 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7740 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7741 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7742 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7743 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7744 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7745 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7746 * doc/invoke.texi (-muclibc): Remove caveat about supported
7749 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7751 * doc/cpp.texi (__TIMESTAMP__): Document.
7753 2006-02-17 Roger Sayle <roger@eyesopen.com>
7756 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7757 C is one less than the width of X (and related transformations).
7758 * simplify-rtx.c (simplify_unary_operation_1): Transform
7759 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7760 depending on STORE_FLAG_VALUE, were C is one less then the
7763 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7765 Fix PR tree-optimization/26341
7766 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7767 about NAME_MEMORY_TAG's.
7769 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7772 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7773 with hardware float support, and software float support. Add fcpy
7774 alternative to hardware patterns. Add alternatives to copy between
7775 general and floating-point registers to the 32-bit pattern.
7776 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7777 secondary reload to load a QI or HI mode constant into a floating
7779 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7780 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7782 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7785 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7787 (load_macho_picbase_di): Likewise.
7789 2006-02-16 Jeff Law <law@redhat.com>
7791 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7792 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7793 (ssa_name_nonzero_p): Likewise.
7794 (get_value_range): Return NULL if VRP is not running.
7795 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7796 VRP routines do not discover a range.
7797 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7798 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7799 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7800 (tree_expr_nonnegative_p): Similarly.
7801 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7802 (restore_nonzero_vars_to_original_value): Remove.
7803 (unsafe_associative_fp_binop): Remove.
7804 (tree_ssa_dominator_optimize): Remove initialization and
7805 finalization of nonzero_vars and nonzero_vars_stack.
7806 (dom_opt_initialize_block): No longer push marker on
7808 (dom_opt_finalize_block): No longer call
7809 restore_nonzero_vars_to_original_value.
7810 (record_equivalences_from_phis): No longer look for
7811 nonzero PHI arguments.
7812 (cprop_into_successor_phis): No longer propagate nonzero
7813 property into PHI arguments. Lose unused argument. Caller
7815 (record_equivalences_from_stmt): No longer record nonzero
7816 values for SSA_NAMEs.
7817 (lookup_avail_expr): No longer use nonzero_vars.
7819 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7820 for sizetype when sizetype is unsigned.
7822 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7824 PR rtl-optimization/25603
7825 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7826 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7827 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7828 with new meaning of SETS.
7830 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7835 * config/linux.opt: New file.
7836 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7837 LINUX_DYNAMIC_LINKER): Define.
7838 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7839 * config.gcc (*-*-linux*): Define extra_options.
7840 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7841 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7842 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7843 GLIBC_DYNAMIC_LINKER.
7844 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7845 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7846 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7848 * doc/invoke.texi (GNU/Linux Options): New section.
7850 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7852 * config/sparc/sparc.md (setjmp): Rewrite.
7853 (setjmp_32): Delete.
7854 (setjmp_64): Likewise.
7856 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7858 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7861 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7863 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7866 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7868 PR rtl-optimization/26296
7869 * Makefile.in (loop-invariant.c): Add except.h dependency.
7870 * loop-invariant.c: Include except.h.
7871 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7873 2005-02-16 Paul Brook <paul@codesourcery.com>
7875 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7878 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7880 PR rtl-optimization/25636
7881 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7882 when deciding whether an insn is an initializing insn.
7884 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7886 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7887 (tree_code_size): Ditto.
7888 * tree.h (struct tree_memory_tag): Remove parent_var.
7889 (struct tree_struct_field_tag): New.
7892 (union tree_node): Add sft member.
7893 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7895 (create_sft): Add size and offset argument, set SFT_OFFSET and
7897 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7898 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7899 * tree-flow-inline.h (get_subvar_at): Update for
7900 SFT_OFFSET/SFT_SIZE.
7901 (var_can_have_subvars): Ditto.
7902 (overlap_subvar): Ditto.
7903 * print-tree.c (print_node): Print out interesting things for
7905 * tree-flow.h (struct subvar): Remove offset and size members.
7906 * tree-ssa-operands.c (get_expr_operands): Update for
7907 get_indirect_ref_operands changes.
7908 (get_indirect_ref_operands): Call add_virtual_operand instead of
7909 add_stmt_operand. Only recurse on base var if requested.
7910 (access_can_touch_variable): New function.
7911 (add_stmt_operand): Split virtual operand handling into ...
7912 (add_virtual_operand): Here. Add offset, size, and for_clobber
7913 arguments. Prune alias sets.
7914 (add_call_clobber_ops): Call add_virtual_operand.
7916 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7919 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7921 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7922 than TREE_CODE as index into omp_clause_num_ops array.
7924 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7926 PR rtl-optimization/26184
7927 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7929 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7930 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7931 must_precede, must_follow and tobe_scheduled.
7934 * opts.c (common_handle_option): Free new_option pointer.
7935 * df-core.c (df_analyze): Free postorder pointer.
7937 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7939 * Makefile.in: Fix the examples about the use of stamps
7941 2006-02-15 Michael Matz <matz@suse.de>
7945 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7946 influenced by maximum_field_alignment or DECL_PACKED.
7947 (update_alignment_for_field): Ditto.
7948 (place_field): Ditto.
7949 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7952 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7954 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7955 (debug_flow_info): Pass it.
7956 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7957 * bb-reorder.c (reorder_basic_blocks): Likewise.
7958 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7959 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7960 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7961 * gcse.c (gcse_main, bypass_jumps): Likewise.
7962 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7963 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7964 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7965 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7966 * rtl.h (dump_flow_info): Adjust prototype.
7967 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7968 * var-tracking.c (variable_tracking_main): Likewise.
7969 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7970 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7973 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7975 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7978 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7980 PR tree-optimization/26209
7981 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7982 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7984 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7986 2006-02-14 Roger Sayle <roger@eyesopen.com>
7989 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7990 (X,Y) and the corresponding symmetry related transformations.
7991 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7992 (X,Y) and its symmetry related transformations.
7994 2006-02-14 Roger Sayle <roger@eyesopen.com>
7996 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7999 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8001 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8003 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8006 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8007 support COMDAT group.
8008 * configure: Regenerate.
8010 2006-02-14 Roger Sayle <roger@eyesopen.com>
8015 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8017 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8019 Fix PR tree-optimization/26260
8021 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8023 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8024 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8025 * tree-ssa-structalias.c (create_variable_info_for): Use
8026 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8028 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8030 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8032 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8033 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8034 of the ending condition.
8035 * tree-ssa-loop-manip.c: Include params.h.
8036 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8037 tree_unroll_loop): New functions.
8038 * tree-pass.h (pass_loop_prefetch): Declare.
8039 * loop.c (rest_of_handle_loop_optimize): Test for
8040 -fprefetch-loop-arrays-rtl.
8041 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8042 * timevar.def (TV_TREE_PREFETCH): New timevar.
8043 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8044 pass_loop_prefetch): New.
8045 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8046 (cleanup_tree_cfg_loop): Call scev_reset.
8047 * common.opt (fprefetch-loop-arrays-rtl): Add.
8048 * tree-ssa-loop-prefetch.c: New file.
8049 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8050 (new_temp_expr_table): Initialize expr_vars.
8051 (free_temp_expr_table): Cleanup expr_vars.
8052 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8053 expressions from being merged into one.
8054 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8055 (struct tree_niter_desc): Add control, bound and cmp fields.
8056 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8058 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8059 (tree-cfgcleanup.o): Add SCEV_H dependency.
8060 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8061 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8063 2006-02-14 Richard Guenther <rguenther@suse.de>
8065 PR tree-optimization/26258
8066 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8067 in PHI argument processing.
8069 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8071 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8072 new expression in the requested machine mode.
8074 2006-02-13 Roger Sayle <roger@eyesopen.com>
8076 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8077 directly, instead let do_compare_rtx_and_jump handle this for us.
8078 * expr.c (expand_expr_real_1): Likewise.
8079 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8080 before do_jump_by_parts_greater.
8081 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8082 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8084 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8086 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8088 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8090 PR rtl-optimization/26235
8091 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8092 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8095 2006-02-13 Jeff Law <law@redhat.com>
8097 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8100 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8103 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8104 twice if decl is a builtin. When trying again, call get_callee_fndecl
8105 first to verify it is still a builtin.
8107 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8109 * dwarf2out.c (base_type_die): Don't add AT_name here.
8110 (subrange_type_die): Don't add AT_name here.
8111 (modified_type_die): Rearrange code flow. Do add AT_name here.
8113 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8115 PR rtl-optimization/26247
8116 PR rtl-optimization/26248
8117 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8119 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8121 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8122 * config/fixtfdi.c: Likewise.
8123 * config/fixunstfdi.c: Likewise.
8124 * config/floatditf.c: Likewise.
8126 2006-02-13 Roger Sayle <roger@eyesopen.com>
8129 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8130 into (X,C2) if C1 is a subset of the bits of C2. Transform
8131 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8133 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8135 2006-02-13 Josh Conner <jconner@apple.com>
8138 * varasm.c (function_section): Check for section name before
8139 calling select_section on targets that define
8140 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8141 unlikely_text_section instead of hot_function_section if
8142 first_function_block_is_cold.
8144 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8147 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8149 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8151 PR rtl-optimization/26222
8152 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8153 after tree->rtl expansion.
8154 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8155 before passing it to emit_move_insn.
8157 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8159 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8161 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8162 Clarify documentation.
8163 * c-common.h (warn_write_strings): Remove.
8164 * c-common.c (warn_write_strings): Likewise.
8165 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8168 2006-02-12 Roger Sayle <roger@eyesopen.com>
8171 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8172 (do_jump_parts_zero_rtx): New function renamed from
8173 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8174 (do_jump_parts_equality_rtx): New function split out from
8175 do_jump_parts_equality. Old implementation renamed as above.
8176 Call do_jump_parts_zero_rtx if either operand is zero.
8177 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8178 do all of the heavy lifting.
8179 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8180 calling either do_jump_by_parts_greater_rtx or
8181 do_jump_by_parts_equality_rtx.
8182 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8183 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8184 moved to do_compare_rtx_and_jump, call it directly.
8185 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8186 mode argument. Call do_compare_rtx_and_jump.
8187 (emit_case_nodes): Update calls to do_jump_if_equal.
8189 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8191 PR rtl-optimization/26225
8192 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8194 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8196 PR rtl-optimization/26232
8197 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8199 2006-02-11 Jason Merrill <jason@redhat.com>
8202 * tree-inline.c (declare_return_variable): Just don't use the
8203 modify target if it's a gimple complex reg and the return slot
8206 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8208 * doc/contrib.texi: Update my entry.
8210 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8212 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8214 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8216 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8219 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8221 * doc/invoke.texi (-floop-optimize2): Removed.
8222 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8223 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8224 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8225 * common.opt (floop-optimize2): Removed.
8226 (fmove-loop-invariants): Enabled by default.
8228 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8230 * tree-if-conv.c (combine_blocks): Free the result of
8231 get_loop_exit_edges.
8233 2006-02-10 Jeff Law <law@redhat.com>
8235 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8237 PR tree-optimization/26213
8238 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8239 loop trying to follow SSA_NAME_VALUE chains.
8241 2006-02-10 Richard Guenther <rguenther@suse.de>
8243 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8244 deal with structures that end in implicitly variable sized arrays.
8246 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8248 PR rtl-optimization/24762
8249 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8252 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8254 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8255 (struct ivopts_data): Add regs_used field.
8256 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8257 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8258 instead of loop_data->regs_used;
8259 (free_loop_data): Do not free aux fields for loops.
8260 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8261 and tree_ssa_iv_optimize_finalize.
8263 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8265 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8267 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8270 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8271 computing the effective result type.
8273 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8276 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8277 (tree_overlaps_hard_reg_set): Declare.
8278 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8279 type and signature to match function type expected by walk_tree.
8280 (tree_overlaps_hard_reg_set): New function.
8281 (decl_conflicts_with_clobbers_p): Rename to:
8282 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8283 Use tree_overlaps_hard_reg_set. Changed caller.
8284 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8285 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8286 * cris.c (cris_md_asm_clobbers): Likewise.
8288 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8290 * reload1.c (emit_input_reload_insns): Delete code that tries to
8291 inherit using find_equiv_reg.
8293 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8295 * c-common.h (flag_const_strings): Don't declare.
8296 * c-common.c (flag_const_strings): Remove.
8297 * c.opt (fconst_strings): Remove.
8298 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8299 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8300 (c_common_init_options): Don't set flag_const_strings.
8301 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8303 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8305 * arm.md (tlobits_cbranch): New pattern.
8306 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8307 testing a single bit.
8309 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8312 * tree-ssa-pre.c (create_component_ref_by_pieces):
8313 Handle RETURN_DECL like VAR_DECL.
8315 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8318 * fold-const.c (fold_indirect_ref_1): Fold
8319 "*(foo *)&complexfoo" to "__real__ complexfoo"
8320 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8322 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8324 * tree-flow-inline.h (var_can_have_subvars):
8325 Volatile variables should not have subvariables.
8327 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8330 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8331 multiplying unsigned values.
8334 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8336 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8338 2006-02-08 Jason Merrill <jason@redhat.com>
8341 * tree.def: Elaborate on difference from MODIFY_EXPR.
8342 * doc/c-tree.texi (INIT_EXPR): Likewise.
8343 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8344 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8345 (gimplify_target_expr): Likewise.
8346 (gimplify_cond_expr): Remove target handling.
8347 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8348 (gimplify_expr): Clobber it here.
8349 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8350 Do return slot optimization if we have an INIT_EXPR.
8353 * tree-inline.c (declare_return_variable): Also clear
8354 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8357 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8360 * gimplify.c (gimplify_one_sizepos): Fix typo.
8362 2006-02-08 Jeff Law <law@redhat.com>
8364 PR tree-optimization/21417
8365 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8366 across a backedge if the control statement at the end of the
8367 block is data dependent on other statements in the same block.
8368 (record_temporary_equivalences_from_stmts): Remove over-conservative
8369 test for threading across backedges.
8371 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8372 control statement, handle all three special cases in the same
8373 manner as they all have the same desired solution. No longer
8374 special case edge flag updating when the post dominator is
8377 2006-02-08 Roger Sayle <roger@eyesopen.com>
8379 * tree.def (CHAR_TYPE): Remove.
8380 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8381 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8382 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8383 (gen_string_type_die): Delete unreachable function.
8385 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8386 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8387 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8388 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8389 * builtins.c (type_to_class): Likewise.
8390 * fold-const.c (fold_convert, build_range_check,
8391 merge_ranges): Likewise.
8392 * expr.c (count_type_elements): Likewise.
8393 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8394 * stor-layout.c (layout_type): Likewise.
8395 * ipa-type-escape.c (type_to_consider): Likewise.
8396 * gimplify.c (omp_firstprivatize_type_sizes,
8397 gimplify_type_sizes): Likewise.
8398 * explow.c (promote_mode): Likewise.
8399 * tree-sra.c (is_sra_scalar_type): Likewise.
8400 * varasm.c (output_constant): Likewise.
8401 * tree-inline.c (remap_type_1): Likewise.
8402 * convert.c (convert_to_pointer, convert_to_real,
8403 convert_to_integer, convert_to_complex): Likewise.
8405 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8407 * df-scan.c (df_def_record_1): A set destination may
8408 be a parallel regardless of mode.
8410 2006-02-08 Roger Sayle <roger@eyesopen.com>
8413 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8414 * config/mips/_tilib.c: Remove.
8415 * config/fixtfdi.c: New libgcc source file.
8416 * config/fixunstfdi.c: New source file.
8417 * config/floatditf.c: New source file.
8418 * config/floatunditf.c: New souce file.
8419 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8420 files above instead of config/mips/_tilib.c.
8421 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8423 2006-02-08 Jeff Law <law@redhat.com>
8425 PR tree-optimization/26169
8426 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8429 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8431 * df.h (DF_REG_SIZE): Return the length of the initialized
8434 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8436 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8437 __muldf3): Return a correctly signed zero.
8439 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8441 * passes.c (register_one_dump_file): Accept the current properties
8442 instead of pass number. Adjust call to dump_register. Remove
8444 (register_dump_files): Now a wrapper around...
8445 (register_dump_files_1): ... this one. Do not modify the pass
8447 (next_pass_1): Cosmetic fix.
8448 (execute_todo): Keep second parameter only. Use curr_properties
8449 instead of fetching it from the pass structure. Check and set
8451 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8452 instead of fetching it from the pass structure. Fix calls to
8453 execute_todo. Update curr_properties and initialize .vcg RTL dump
8454 after running the pass. Reset last_verified.
8455 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8457 (FIRST_AUTO_NUMBERED_DUMP): New.
8458 (dump_register): Remove "num" parameter, assign it within the
8460 (get_dump_file_name): Modify template for dumps.
8461 * tree-dump.h (dump_register): Adjust prototype.
8462 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8463 (PROP_trees): Add PROP_gimple_lomp.
8464 (TODO_set_props): New.
8465 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8466 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8467 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8469 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8471 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8472 (sparc64-*-linux*): Likewise.
8473 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8474 * config/sparc/t-linux: New file.
8475 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8476 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8477 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8478 -m32 -mlong-double-128.
8480 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8481 * config/alpha/t-linux: New file.
8482 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8484 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8485 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8486 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8487 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8488 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8489 (CPP_ARCH32_SPEC): Remove.
8491 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8493 PR tree-optimization/26145
8494 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8497 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8500 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8501 >= 240000 when generating code for SOM runtime.
8502 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8503 to $$dyncall when generating code for SOM runtime..
8505 2006-02-07 Dirk Mueller <dmueller@suse.com>
8508 * doc/invoke.texi (-Wsequence-point): Update documentation
8509 that -Wsequence-point is implemented for C++ as well.
8511 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8513 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8514 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8515 (LIB_SPEC): Likewise.
8516 * doc/invoke.texi (SPARC options): Document -pthread.
8518 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8520 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8523 2006-02-07 Roger Sayle <roger@eyesopen.com>
8525 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8526 Correct comment describing BOOLEAN_TYPE.
8528 2006-02-07 Dirk Mueller <dmueller@suse.com>
8530 * c.opt: C++ frontend supports -Wdiv-by-zero.
8531 * c-opts.c (c_common_handle_option): Remove dead case.
8533 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8535 * configure.ac (TLS assembler check): Do not enable TLS by
8536 default on SPARC/Solaris before version 10.
8537 * configure: Regenerate.
8539 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8541 * doc/invoke.texi (xl-compat): Document conversion and support
8544 2006-02-07 Jeff Law <law@redhat.com>
8546 * tree-vrp.c (find_conditional_asserts): Update comments.
8547 (simplify_stmt_for_jump_threading): New.
8548 (identify_jump_threads, finalize_jump_threads): New.
8549 (vrp_finalize): Call identify_jump_threads.
8550 (execute_vrp): Call finalize_jump_threads.
8551 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8552 (vrp_element, vrp_data, vrp_element_p): Remove.
8553 (vrp_hash_elt, vrp_variables_stack): Remove.
8554 (vrp_hash, vrp_eq, record_range): Remove.
8555 (simplify_cond_and_lookup_avail_expr): Remove.
8556 (extract_range_from_cond): Remove.
8557 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8558 (simplify_stmt_for_jump_threading): New.
8559 (dom_thread_across_edge): New wrapper.
8560 (tree_ssa_dominator_optimize): No longer initialize or
8561 finalize any of the VRP datastructures. Remove iteration
8562 step and simplify as a result of removal of iteration step.
8563 (pass_dominator): Perform a cfg cleanup after DOM.
8564 (dom_opt_finalize_block): Use the new common routines
8565 for threading jumps. Simplify stack management slightly.
8566 No longer need to unwind VRP state.
8567 (record_equivalences_from_incoming_edge): No longer record
8569 (eliminate_redundant_computations): No longer call
8570 simplify_cond_and_lookup_avail_expr.
8571 * tree-flow.h (potentially_threadable_block): Prototype.
8572 (thread_across_edge): Likewise.
8573 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8574 (tree-ssa-threadedge.o): Add dependencies.
8575 * tree-ssa-threadedge.c: New file.
8576 * passes.c (init_optimization_passes): Merge PHIs before
8577 calling VRP. Run VRP again late in the SSA optimization pipeline.
8579 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8581 * df-core.c (df_set_blocks): Do not dereference function pointers.
8582 (df_finish1): Likewise.
8583 (df_hybrid_search_forward): Likewise.
8584 (df_hybrid_search_backward): Likewise.
8585 (df_iterative_dataflow): Likewise.
8586 (df_analyze_problem): Likewise.
8587 (df_compact_blocks): Likewise.
8588 (df_dump): Likewise.
8589 * df-scan.c (df_rescan_blocks): Likewise.
8590 (df_record_entry_block_defs): Likewise.
8592 * genconditions.c (write_conditions): Guard the definition of
8593 'insn_conditions' with the check on GCC version.
8594 (write_writer): Guard the traversal 'insn_conditions' with
8595 the check on GCC version.
8597 2006-02-07 Richard Guenther <rguenther@suse.de>
8601 2006-01-30 Richard Guenther <rguenther@suse.de>
8603 * gimplify.c (gimplify_target_expr): Handle easy cases
8604 without creating a temporary.
8606 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8608 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8609 use of float in probability computations. Use edge probabilities
8610 in place of statically computed probabilities.
8611 (min_spec_prob): New static variable.
8612 (schedule_insns): Initialize it.
8613 (GET_SRC_PROB): Removed.
8614 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8616 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8619 * config/ia64/unwind-ia64.c: Revert last change.
8620 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8621 (INCOMING_FRAME_SP_OFFSET): Define.
8623 2006-02-06 Roger Sayle <roger@eyesopen.com>
8625 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8627 2006-02-07 Ben Elliston <bje@au.ibm.com>
8629 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8630 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8631 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8632 (ix86_return_in_memory): Handle TDmode.
8633 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8634 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8636 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8638 * reorg.c (dbr_schedule): Use dump_file instead of file.
8640 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8643 * config/ia64/predicates.md (extr_len_operand): New predicate.
8644 * config/ia64/ia64.md (extv): Tighten constraints.
8646 (*tbit_and_2): Ditto.
8647 (*tbit_and_3): Ditto.
8648 (*tbit_or_2): Ditto.
8649 (*tbit_or_3): Ditto.
8653 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8656 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8658 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8660 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8661 loop_optimizer_init and loop_optimizer_finalize
8662 * tree-ssa-sink.c (execute_sink_code): Ditto.
8663 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8664 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8665 tree_ssa_loop_done): Ditto.
8666 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8667 * sched-ebb.c: Include output.h.
8668 (schedule_ebbs): Do not use dump argument.
8669 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8670 * loop.c (loop_dump_stream): Removed.
8671 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8673 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8674 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8675 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8676 loop_iterations, strength_reduce, record_biv, record_giv,
8677 final_giv_value, check_final_value, check_ext_dependent_givs,
8678 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8679 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8680 dump_file instead of loop_dump_stream.
8681 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8683 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8685 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8686 * haifa-sched.c: Include output.h
8687 (schedule_insns, sched_init): Do not use dump argument.
8688 * mode-switching.c (optimize_mode_switching): Ditto.
8689 * modulo-sched.c (stats_file): Removed.
8690 (print_node_sched_params): Do not call argument dump_file.
8691 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8692 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8694 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8696 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8697 rtl_loop_init, rtl_loop_done): Ditto.
8698 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8699 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8701 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8702 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8703 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8704 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8705 * emit-rtl.c (renumber_insns): Ditto.
8706 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8707 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8708 * regclass.c (regclass): Ditto.
8709 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8710 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8711 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8712 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8714 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8715 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8717 * gcse.c (gcse_file, debug_stderr): Removed.
8718 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8719 rest_of_handle_gcse): Do not use dump argument.
8720 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8721 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8722 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8723 compute_code_hoist_vbeinout, compute_code_hoist_data,
8724 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8725 compute_store_table, build_store_vectors, insert_insn_start_bb,
8726 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8727 store_motion): Use dump_file instead of gcse_file.
8728 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8729 * profile.c (profile_dump_file): Removed.
8730 (branch_prob): Use dump_file instead of profile_dump_file.
8731 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8733 * tree-ssa-copy.c (dump_copy_of): Ditto.
8734 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8735 dump file to life_analysis.
8736 * bt-load.c (branch_target_load_optimize): Ditto.
8737 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8739 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8740 regclass, dbr_schedule): Declaration changed.
8741 * sched-int.h (sched_init): Declaration changed.
8742 * tree-profile.c (tree_profile_dump_file): Removed.
8743 (tree_profile_hooks): Removed profile_dump_file hook.
8744 * rtl-profile (rtl_profile_dump_file): Removed.
8745 (rtl_profile_hooks): emoved profile_dump_file hook.
8746 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8748 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8749 * tree-cfg.c (build_tree_cfg): Ditto.
8750 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8751 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8752 Declaration changed.
8753 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8754 life_analysis and schedule_insns.
8755 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8757 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8759 * config/mips/mips.c (mips_reorg): Ditto.
8760 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8763 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8765 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8766 (s390_mangle_fundamental_type): New.
8767 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8770 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8771 (alpha_mangle_fundamental_type): New.
8772 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8775 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8777 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8779 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8780 (sparc_mangle_fundamental_type): New.
8782 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8784 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8785 (s390x-*-linux*): Likewise.
8786 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8787 * config/s390/t-linux: New file.
8789 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8791 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8792 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8794 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8796 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8797 (ANTIC_SAFE_LOADS): New macro.
8798 (find_or_generate_expression): Add prototype.
8799 (set_contains_value): Allow null set for sake of not always having
8800 to allocate ANTIC_SAFE_LOADS.
8801 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8802 Allow COMPONENT_REF too.
8803 (valid_in_set): Allow COMPONENT_REF.
8804 Check ANTIC_SAFE_LOADS too.
8805 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8806 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8808 (can_PRE_operation): Add COMPONENT_REF.
8809 (create_component_ref_by_pieces): New function.
8810 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8811 (insert_aux): Move AGGREGATE_TYPE_P check here.
8812 (compute_avail): Set bb local stmt uids.
8813 (pass_pre): Use TODO_update_ssa_only_virtuals.
8815 2006-02-06 Ben Elliston <bje@au.ibm.com>
8817 * configure.ac: Unconditionally disable decimal float by default.
8818 * configure: Regenerate.
8820 2006-02-06 Ben Elliston <bje@au.ibm.com>
8822 * read-rtl.c (read_name): Terminate reading on EOF.
8824 2006-02-06 Ben Elliston <bje@au.ibm.com>
8826 * dfp.c (decimal_real_arithmetic): Change second argument type
8827 from int to enum tree_code. Do not always return true, but now
8828 return result of any call to decimal_do helper functions.
8829 * dfp.h (decimal_real_arithmetic): Update prototype.
8831 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8833 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8835 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8838 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8841 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8843 * tree-vrp.c (cfg_loops): Removed.
8844 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8845 Use current_loops instead of cfg_loops. Pass flags to
8846 loop_optimizer_init.
8847 * cfgloopmanip.c (fix_loop_structure): Update only available
8849 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8850 loop_optimizer_init.
8851 * modulo-sched.c (build_loops_structure): Removed.
8852 (sms_schedule): Use loop_optimizer_init.
8853 * loop-init.c (loop_optimizer_init): Use flags to determine
8854 which properties of loops to prepare.
8855 (rtl_loop_init): Pass flags to loop_optimizer_init.
8856 * tree-ssa-sink.c (execute_sink_code): Ditto.
8857 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8858 * tree-ssa-pre.c (init_pre): Ditto.
8859 * cfgloop.h (LOOPS_NORMAL): New.
8860 (loop_optimizer_init): Declaration changed.
8862 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8864 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8865 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8867 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8869 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8871 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8872 * pa/t-pa64: Delete quadlib.c rule.
8873 * pa/x-ada: Revert last change.
8874 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8876 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8878 PR rtl-optimization/26087
8879 * rtlanal.c (canonicalize_condition): Do not cross basic block
8882 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8885 * config/ia64/ia64.c: Include debug.h.
8886 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8887 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8888 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8889 (process_epilogue, process_set, process_for_unwind_directive):
8890 Output unwind info only if requested. Add CFA info if requested.
8891 Add new arguments as needed. Adjust callers.
8892 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8894 (DWARF2_FRAME_INFO): Define to zero.
8895 * config/ia64/unwind-ia64.c: Remove code that compensated for
8896 the CFA offset error fixed above.
8897 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8898 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8899 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8900 -funwind-tables and -fexceptions to enable frame info.
8901 (dwarf2out_frame_init): Define initial CFA even if
8902 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8903 DWARF2_UNWIND_INFO is nonzero, not just defined.
8904 (dwarf2out_frame_finish): Output non-EH call frame info only
8905 if DWARF2_FRAME_INFO is nonzero.
8906 (convert_cfa_to_loc_list,
8907 compute_frame_pointer_to_cfa_displacement): Define even if
8908 unwind info is not supported.
8909 (gen_subprogram_die): Use the above unconditionally. Remove
8910 legacy alternate code.
8911 * toplev.c (compile_file): Compile in call to
8912 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8913 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8915 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8916 Jakub Jelinek <jakub@redhat.com>
8918 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8919 IBM extended float format long double as "g" on powerpc*-linux.
8921 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8924 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8925 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8927 2006-02-03 Jason Merrill <jason@redhat.com>
8930 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8933 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8934 on the return slot if it's an NRV.
8936 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8938 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8939 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8940 rewrite_use): Do not handle USE_OUTER.
8941 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8942 add_iv_outer_candidates, may_replace_final_value,
8943 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8944 (find_interesting_uses_op): Functionality of
8945 find_interesting_uses_outer_or_nonlin moved here.
8946 (find_interesting_uses_outside): Use find_interesting_uses_op.
8948 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8951 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8953 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8954 Ulrich Weigand <uweigand@de.ibm.com>
8957 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8958 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8959 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8960 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8962 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8963 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8964 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8965 Define secondary reloads for TFmode moves.
8966 (constant_modes): Add TFmode.
8967 (NR_C_MODES): Set to 8.
8968 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8970 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8971 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8972 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8973 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8974 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8975 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8976 (FPR mode macro): Add TFmode.
8977 (DSF mode macro): New.
8978 (<de>, <dee> mode attributes): Removed.
8979 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8980 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8981 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8982 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8983 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8984 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8985 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8986 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8987 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8988 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8989 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8990 "*negabs<mode>2", "sqrt<mode>2"):
8991 Changed <de> to <xde>. R constraint replaced by <Rf>.
8992 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8994 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8995 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8996 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8998 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8999 "extenddftf2", "extendsftf2"): New expanders.
9000 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9001 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9002 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9003 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9005 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9006 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9007 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9008 __floatditf): Add a GCC_4.1.0 symbol version tag.
9009 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9012 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9015 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9016 Use targetm.binds_local_p instead of TREE_PUBLIC.
9018 2006-02-02 Roger Sayle <roger@eyesopen.com>
9020 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9021 on INTEGER_TYPEs to indicate that it denotes a character type.
9022 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9023 signed_char_type_node, unsigned_char_type_node and char_type_node.
9024 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9025 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9026 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9028 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9029 Daniel Berlin <dberlin@dberlin.org>
9031 * tree-tailcall.c (arg_needs_copy_p): New function.
9032 (eliminate_tail_call): Use arg_needs_copy_p.
9033 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9034 (add_virtual_phis): New function.
9036 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9038 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9039 #ignore instead of #scratch for %g7 .register directive.
9041 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9043 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9046 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9048 * flow.c (calculate_global_regs_live): Assert that there aren't any
9051 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9053 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9055 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9056 bsi_after_labels iterator.
9057 * tree-if-conv.c (find_phi_replacement_condition,
9058 replace_phi_with_cond_modify_expr): Likewise.
9059 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9060 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9062 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9064 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9066 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9069 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9070 array after growing it.
9072 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9075 * fold-const.c (fold_checksum_tree): Change type of buf.
9077 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9079 * reload.c (push_secondary_reload): Initialize t_icode.
9081 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9083 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9084 -msoft-float -mlong-double-128 only issue a warning, but don't
9085 swich to DFmode long double.
9087 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9089 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9090 has a constant equivalent, iterate over equivalents for arg0,
9091 calling simplify_relational_operation and if there's a result
9092 cheaper than X, apply fold_rtx and return the result.
9094 2006-02-01 Jan Hubicka <jh@suse.cz>
9096 * opts.c (no_unit_at_a_time_default): New global variable.
9097 (decode_options): Use it.
9098 * opts.h (no_unit_at_a_time_default): Declare.
9100 2006-02-01 Paul Brook <paul@codesourcery.com>
9102 * function.c (assign_parm_setup_reg): Use function argument promotion
9104 * expr.c (expand_expr_real_1): Use function argument promotion rules
9107 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9109 * gcc.c (process_command): Change j to 'unsigned int'.
9111 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9114 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9115 Use the corrected index for the character
9116 out of the string constant.
9118 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9120 * mode-switching.c (optimize_mode_switching): Fix size
9121 allocated for bb_info[n_entities].
9123 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9125 * gcc.c (main): Correct type that is allocated for
9126 explicit_link_files.
9128 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9130 * config/s390/s390.c (init_alignment_context): Set
9131 ALIAS_SET_MEMORY_BARRIER on the MEM.
9132 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9134 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9137 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9139 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9142 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9144 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9145 * regrename.c: Ditto.
9146 * tree-ssa-loop-im.c: Ditto.
9147 * tree-dump.c: Ditto.
9148 * tree-complex.c: Ditto.
9149 * genrecog.c: Ditto.
9150 * tree-ssa-threadupdate.c: Ditto.
9152 * java/class.c: Ditto.
9153 * java/jcf-parse.c: Ditto.
9154 * java/resource.c: Ditto.
9155 * java/except.c: Ditto.
9156 * java/jvspec.c: Ditto.
9157 * java/jcf-write.c: Ditto.
9158 * java/jcf-path.c: Ditto.
9159 * java/gjavah.c: Ditto.
9160 * java/zextract.c: Ditto.
9161 * java/jcf-io.c: Ditto.
9162 * java/jcf.h: Ditto.
9163 * java/buffer.c: Ditto.
9164 * java/lang.c: Ditto.
9165 * java/parse-scan.y: Ditto.
9166 * java/lex.c: Ditto.
9167 * java/lex.h: Ditto.
9168 * cfgloopmanip.c: Ditto.
9169 * postreload-gcse.c: Ditto.
9170 * tree-ssa-loop-manip.c: Ditto.
9171 * postreload.c: Ditto.
9172 * tree-ssa-loop-ch.c: Ditto.
9176 * diagnostic.c: Ditto.
9178 * genoutput.c: Ditto.
9180 * cfghooks.c: Ditto.
9181 * cfgloopanal.c: Ditto.
9182 * objc/objc-act.c: Ditto.
9184 * genextract.c: Ditto.
9185 * genautomata.c: Ditto.
9186 * pretty-print.c: Ditto.
9188 * cgraphunit.c: Ditto.
9191 * haifa-sched.c: Ditto.
9192 * dominance.c: Ditto.
9194 * tree-ssa-loop-ivopts.c: Ditto.
9196 * mode-switching.c: Ditto.
9197 * modulo-sched.c: Ditto.
9199 * ipa-pure-const.c: Ditto.
9201 * fix-header.c: Ditto.
9203 * tree-stdarg.c: Ditto.
9204 * ipa-utils.c: Ditto.
9205 * loop-init.c: Ditto.
9206 * ipa-inline.c: Ditto.
9209 * alloc-pool.c: Ditto.
9210 * dwarf2out.c: Ditto.
9212 * genattrtab.c: Ditto.
9213 * tree-ssa-loop-ivcanon.c: Ditto.
9217 * fortran/gfortranspec.c: Ditto.
9219 * local-alloc.c: Ditto.
9220 * langhooks.c: Ditto.
9221 * function.c: Ditto.
9222 * tree-vectorizer.c: Ditto.
9224 * ipa-type-escape.c: Ditto.
9226 * tree-if-conv.c: Ditto.
9229 * tree-data-ref.c: Ditto.
9230 * loop-unroll.c: Ditto.
9231 * treelang/treetree.c: Ditto.
9234 * ggc-common.c: Ditto.
9236 * coverage.c: Ditto.
9238 * tree-cfgcleanup.c: Ditto.
9239 * tree-ssa-pre.c: Ditto.
9240 * cfgcleanup.c: Ditto.
9241 * loop-invariant.c: Ditto.
9243 * ipa-prop.c: Ditto.
9244 * print-tree.c: Ditto.
9245 * conflict.c: Ditto.
9246 * ggc-page.c: Ditto.
9247 * sched-deps.c: Ditto.
9248 * regclass.c: Ditto.
9249 * tree-object-size.c: Ditto.
9251 * bb-reorder.c: Ditto.
9252 * resource.c: Ditto.
9253 * var-tracking.c: Ditto.
9255 * df-problems.c: Ditto.
9256 * reg-stack.c: Ditto.
9259 * sched-rgn.c: Ditto.
9260 * tree-ssa-structalias.c: Ditto.
9261 * tree-ssa-reassoc.c: Ditto.
9262 * config/darwin-c.c: Ditto.
9263 * config/darwin.c: Ditto.
9264 * config/arm/arm.c: Ditto.
9266 * collect2.c: Ditto.
9269 2006-01-31 Nicolas Pitre <nico@cam.org>
9271 * arm.md (smaxsi3): Make aware of smax_m1.
9274 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9276 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9278 2006-01-31 Richard Guenther <rguenther@suse.de>
9280 * doc/invoke.texi (-msselibm): Document.
9281 * target.h (expand_library_builtin): New target hook.
9282 * builtins.c (expand_builtin): Use expand_library_builtin.
9283 (default_expand_library_builtin): New function.
9284 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9285 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9286 (link_gcc_math_spec): Declare.
9287 (static_specs): Add link_gcc_math_spec.
9288 * expr.h (default_expand_library_builtin): Declare.
9289 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9290 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9291 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9292 * config/i386/i386.opt (msselibm): New target option.
9293 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9294 (ix86_init_sse_abi_builtins): New function.
9295 (ix86_expand_library_builtin): Likewise.
9296 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9297 (override_options): Handle error conditions wrt -msselibm.
9298 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9299 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9300 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9303 2006-01-31 Richard Guenther <rguenther@suse.de>
9304 Paolo Bonzini <bonzini@gnu.org>
9306 * doc/install.texi (--disable-libgcc-math): Document.
9308 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9310 * expr.h (expand_normal): new inline function.
9311 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9313 * dwarf2out.c: use it.
9318 * config/sparc/sparc.c: use it.
9319 * config/i386/i386.c: use it.
9320 * config/rs6000/rs6000.c: use it.
9321 * config/arm/arm.c: use it.
9322 * config/mips/mips.c: use it.
9323 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9325 2006-01-30 Roger Sayle <roger@eyesopen.com>
9327 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9328 argv to the appropriate type.
9330 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9332 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9335 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9338 * config/s390/s390.c (struct machine_function): New flag
9339 decomposed_literal_pool_addresses_ok_p.
9340 (s390_reorg): Set it before final stage of literal pool transforms.
9341 (s390_decompose_address): Only accept displacements of the form
9342 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9344 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9346 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9347 the comparison routine return.
9349 2006-01-30 Michael Matz <matz@suse.de>
9351 * global.c (find_reg): Only evict for global regs.
9352 Take n_refs into account and dump more info.
9354 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9357 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9358 (pragma_trap, pragma_nosave_low_regs): Likewise.
9359 (current_function_anonymous_args): Likewise.
9360 (sh_deferred_function_attributes): New variable.
9361 (sh_deferred_function_attributes_tail): Likewise.
9362 (print_operand): For '@', look up trap_exit attribute.
9363 (calc_live_regs): Look up trapa_handler attribute. For trapa
9364 handlers, save/restore fpscr, but don't do any other
9365 interrupt-specific saves.
9366 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9367 Fix check for partially saved registers to check for SHmedia.
9368 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9369 (sh_output_function_epilogue): Don't clear any of the removed
9371 (sh_insert_attributes): Don't check pragma_interrupt.
9372 Insert deferred attributes. Check that interrupt attribute is
9373 present for other attributes that require its presence.
9374 (sh_attribute_table): Add new attributes trapa_handler and
9376 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9377 Don't check for pragma_interrupt. Don't store argument.
9378 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9379 (sh_deferred_function_attributes): Declare.
9380 (sh_deferred_function_attributes_tail): Likewise.
9381 * sh.md (sp_switch_1): Add operand. Change generator caller.
9382 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9383 (*return_i): Don't use when trap_exit attribute is in effect.
9384 (*return_trapa): New insn pattern.
9386 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9387 setting c_target_objs and cxx_target_objs.
9388 * t-sh: Add rule for sh-c.o.
9390 2006-01-30 Richard Guenther <rguenther@suse.de>
9393 * gimplify.c (gimplify_target_expr): Handle easy cases
9394 without creating a temporary.
9396 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9398 * vec.h (safe_grow): Remove duplicated line.
9400 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9403 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9404 (expand_omp): ... here.
9405 (expand_omp_parallel): Only remove barriers for combined
9406 parallel+workshare constructs.
9408 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9412 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9413 * tree.c (build_qualified_type): Chain the new type to the original
9414 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9415 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9416 (build_pointer_type_for_mode): Only return unqualified types.
9417 (build_reference_type_for_mode): Likewise.
9419 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9421 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9422 * Makefile.in (CXX_COMPAT_WARN): Define.
9423 * configure: Regenerate.
9425 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9428 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9431 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9433 * toplev.c: Fix thinko.
9435 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9436 Marcin Dalecki <martin@dalecki.de>
9438 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9439 (push_srcloc): Use XNEW.
9440 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9442 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9444 * df-core.c (df_set_blocks): Deleted all variable.
9446 2006-01-28 Ian Lance Taylor <ian@airs.com>
9448 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9449 cgraph_output_pending_asms.
9451 2006-01-28 Zack Weinberg <zackw@panix.com>
9453 * c.opt: Add -W(no-)overlength-strings.
9454 * doc/invoke.texi: Document it.
9455 * c-opts.c (c_common_handle_option): -pedantic implies
9456 -Woverlength-strings, if not explicitly disabled already.
9457 (c_common_post_options): -Woverlength-strings defaults to off, and
9458 is always off for C++.
9459 * c-common.c (fix_string_type): Issue warning about strings longer
9460 than is portable only if warn_overlength_strings. Rearrange code
9461 a little for clarity.
9462 * configure.in: Check for -Wno-overlength-strings as well before
9463 enabling -pedantic in stage 1.
9464 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9465 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9467 * genconditions.c (write_header, write_one_condition)
9468 (write_conditions, write_writer): Consolidate very long strings
9469 that were broken up to fit in C89 portable limit. Don't use
9470 printf when fputs will do.
9472 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9474 * combine.c (simplify_comparison <AND>): Check
9475 TRULY_NOOP_TRUNCATION before start using a subreg.
9477 * config/mips/mips.md (*branch_zero<mode>,
9478 *branch_zero<mode>_inverted, *branch_equality<mode>,
9479 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9480 Remove mode check from comparisons.
9482 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9484 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9486 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9488 * expmed.c (const_mult_add_overflow_p): Remove.
9489 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9491 * recog.c (validate_replace_rtx_subexp): Remove.
9492 * recog.h: Remove the prototype for
9493 validate_replace_rtx_subexp.
9495 * integrate.h: Remove the prototype for
9496 copy_decl_for_inlining.
9497 * rtl.h: Remove the prototype for mark_constant_function.
9498 * tree-vectorizer.h: Remove the prototype for
9499 vect_strip_conversion.
9501 * modulo-sched.c (create_partial_schedule,
9502 free_partial_schedule, reset_partial_schedule): Make them
9505 * hooks.c (hook_bool_rtx_int_false): Remove.
9506 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9508 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9510 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9511 and -mlong-double-128 are incompatible.
9512 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9513 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9514 (TARGET_LIBGCC2_CFLAGS): Define.
9515 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9516 (TARGET_LIBGCC2_CFLAGS): Same.
9517 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9519 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9522 * c-typeck.c (build_binary_op): Perform implicit casts of
9523 operands before shortening them.
9525 * cfgloopmanip.c (split_loop_bb): Remove.
9526 * cfgloop.h: Remove the prototype for split_loop_bb.
9528 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9529 * cfgloop.h: Remove the prototype for
9530 flow_loop_outside_edge_p.
9532 * emit-rtl.c (init_virtual_regs): Make it static.
9533 * function.h: Remove the prototype for init_virtual_regs.
9535 * recog.c (peephole2_optimize): Make it static.
9536 * recog.h: Remove the prototype for peephole2_optimize.
9538 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9540 * df-scan.c (df_record_entry_block_defs): Check if
9541 INCOMING_RETURN_ADDR_RTX is defined.
9543 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9544 Kenneth Zadeck <zadeck@naturalbridge.com>
9546 PR rtl-optimization/24762
9547 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9548 * targhooks.c (hook_void_bitmap): New hook prototype.
9549 * targhoohs.h (hook_void_bitmap): Ditto.
9550 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9551 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9552 * target.h (live_on_entry): New function pointer.
9553 * df-scan.c (df_all_hard_regs): Removed.
9554 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9555 (df_scan_free_internal): Added df->entry_block_defs.
9556 (df_scan_alloc): Ditto.
9557 (df_scan_dump): Ditto.
9558 (df_uses_record): Plumbed flag field properly thru calls.
9559 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9560 This part fixes PR24762.
9561 (df_bb_refs_record): Added code to make the frame and arg
9562 pointers live in EH blocks.
9563 (df_refs_record): Added call to df_record_entry_block_defs.
9564 (df_record_entry_block_defs): New function.
9565 * df-core.c: Added comments to describe new artifical defs.
9566 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9567 (entry_block_defs): New field in struct df.
9568 (df_all_hard_regs): Deleted.
9569 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9570 * df-problems.c (df_ru_bb_local_compute_process_def):
9571 Added code to handle artifical defs in the entry to a function.
9572 (df_ru_bb_local_compute): Ditto.
9573 (df_rd_bb_local_compute_process_def): Ditto.
9574 (df_rd_bb_local_compute): Ditto.
9575 (df_lr_bb_local_compute): Ditto.
9576 (df_ur_bb_local_compute): Ditto.
9577 (df_urec_bb_local_compute): Ditto.
9578 (df_chain_create_bb): Ditto.
9579 (df_ur_local_finalize): Removed entry.
9580 (df_urec_init): Ditto.
9581 (df_urec_local_finalize): Ditto.
9582 (df_ri_bb_compute): Added detection of last use of pseudos.
9583 * Makefile.in (df-scan.o): Updated dependencies.
9584 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9585 * config/mips/mips.c (mips_set_live_on_entry): Added.
9586 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9588 * dce.c (marked_insn_p): Added code to handle artifical defs.
9590 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9592 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9594 (_mm_cvtsi128_si64): Likewise.
9595 (_mm_cvtsd_si64): Likewise.
9596 (_mm_cvttsd_si64): Likewise.
9597 (_mm_cvtsi64_sd): Likewise.
9598 (_mm_cvtsi64_si128): Likewise.
9599 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9600 (_mm_cvtsi64_m64): Likewise.
9601 (_m_to_int64): Likewise.
9602 (_mm_cvtm64_si64): Likewise.
9603 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9604 (_mm_cvttss_si64): Likewise.
9605 (_mm_cvtsi64_ss): Likewise.
9606 (_mm_cvtss_f32): Likewise.
9608 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9610 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9611 for pragma redefine_extname.
9613 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9616 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9617 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9618 -mno-minimal-toc to previous content.
9619 (bispecs): Remove goal.
9620 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9621 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9622 compatibility aliases on powerpc-*-*gnu*.
9623 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9624 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9625 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9626 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9627 (ldblspecs): New goal.
9628 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9629 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9631 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9632 L_sf_to_tf or L_df_to_tf is defined.
9634 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9635 Alan Modra <amodra@bigpond.net.au>
9638 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9639 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9640 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9641 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9642 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9643 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9644 (rs6000_override_options): Initialize rs6000_ieeequad.
9645 Initialize TFmode format to ibm_extended_format if not
9647 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9649 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9650 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9651 (function_arg_advance): IBM long double passed in two FPRs, not
9653 (function_arg): IBM long double passed in FPRs.
9654 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9655 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9656 Only multireg GPR aligned.
9657 (rs6000_init_libfuncs): Enable IBM long double functions if not
9659 (rs6000_generate_compare): Use IBM long double compare if not
9661 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9662 (TARGET_IEEEQUAD): Define.
9663 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9664 not TARGET_IEEEQUAD.
9665 * config/rs6000/rs6000.md: Enable TFmode patterns if
9667 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9668 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9669 and -mlong-double-128 are incompatible.
9670 * doc/invoke.texi (-mabi): Collect options together. Add
9671 ibmlongdouble and ieeelongdouble.
9673 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9675 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9677 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9678 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9679 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9680 * rtl.h (rtunion_def): Remove rt_ptr.
9682 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9683 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9684 * config/i386/winnt.c (i386_pe_mark_dllexport)
9685 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9687 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9689 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9691 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9695 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9696 pthread_key_delete. From John David Anglin. gthrw-ify
9697 pthread_getunique_np only if it it's not a macro. Delete
9699 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9700 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9701 __gthread_objc_condition_signal, __gthread_key_delete): Add
9702 "__attribute__ ((__unused__))" to unused arguments.
9703 (__gthread_recursive_mutex_init_function): Add missing return.
9704 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9705 gthr-posix95.h: Use macro-based approach for name redirection
9706 on targets missing weakref.
9708 2006-01-26 Zack Weinberg <zackw@panix.com>
9710 * genconditions.c (write_header): In generated code, #ifdef out
9711 all includes and fake declarations, except includes of bconfig.h
9712 and system.h, unless GCC_VERSION >= 3001. Do not include
9713 gensupport.h in any case.
9714 (write_conditions): Generate a definition of struct c_test. Add
9715 a comment to the generated #endif.
9716 (write_one_condition): Escape backslashes in string too.
9717 (write_writer): Generated code must escape backslashes and quote
9718 marks (but not newlines) in the strings it writes.
9719 * Makefile.in (build/gencondmd.o): Update dependencies.
9721 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9724 * Makefile.in (insn-automata.o): Add header file dependencies.
9725 * genautomata.c: Add includes.
9727 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9730 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9732 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9734 * configure.ac: Expect target tools paths to be passed from the toplevel
9735 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9737 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9739 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9742 * c.opt (Wpointer-sign): Init to -1.
9743 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9744 OPT_pedantic, to 0 otherwise.
9745 * doc/invoke.texi: Update.
9747 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9749 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9750 constants provided by 80387 instructions in the destination mode.
9752 2006-01-26 Richard Guenther <rguenther@suse.de>
9753 Andrew Pinski <pinskia@physics.uc.edu>
9756 partial PR tree-opt/17064
9757 * tree-ssa-structalias.c (intra_create_variable_infos):
9758 Create heap variables for incoming parameters if
9759 flag_argument_noalias > 1.
9760 (find_what_p_points_to): Look through default defs of
9763 2006-01-26 Jeff Law <law@redhat.com>
9766 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9767 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9768 within the VR_RANGE, use the VR_RANGE as the result, not the
9770 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9771 bounds for the type.
9773 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9775 * tree-ssa-alias.c (maybe_create_global_var): Change
9776 subvar walking to an assertion that we don't have subvar'd variables.
9778 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9781 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9782 Use a new variable, inner. PARM_DECLs are always non-weak.
9784 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9786 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9789 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9791 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9793 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9795 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9796 (smax_insn, smin_insn, smax_0, smin_0): New.
9798 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9801 * config/cris/cris.c (cris_order_for_addsi3): New function.
9802 * config/cris/cris-protos.h: Prototype it.
9803 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9804 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9805 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9806 (split for "op.S1 [rx=rx+i],ry (swapped)")
9807 (split for "op(s|u).S1 [rx=rx+i],ry")
9808 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9809 Apply cris_order_for_addsi3 when generating addsi3 insns.
9811 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9813 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9814 (TREE_BLOCK): Add call to EXPR_CHECK.
9816 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9819 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9820 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9821 (dump_omp_clauses): ... here.
9822 (dump_generic_node): Handle OMP_CLAUSE.
9823 * tree.c (omp_clause_num_ops): New.
9824 (omp_clause_code_name): New.
9825 (tree_code_size): Handle OMP_CLAUSE.
9826 (tree_size): Likewise.
9827 (make_node): Document handling of OMP_CLAUSE.
9828 (tree_node_structure): Handle OMP_CLAUSE.
9829 (omp_clause_check_failed): New.
9830 (omp_clause_range_check_failed): New.
9831 (omp_clause_operand_check_failed): New.
9832 (build_omp_clause): New.
9833 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9834 * tree.h (enum omp_clause_code): Declare.
9835 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9836 (OMP_CLAUSE_RANGE_CHECK): Define.
9837 (OMP_CLAUSE_ELT_CHECK): Define.
9838 (omp_clause_check_failed): Declare.
9839 (omp_clause_operand_check_failed): Declare.
9840 (omp_clause_range_check_failed): Declare.
9841 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9842 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9843 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9844 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9845 (OMP_CLAUSE_IF_EXPR): Likewise.
9846 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9847 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9848 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9849 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9850 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9851 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9852 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9853 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9854 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9855 (OMP_CLAUSE_CODE): Define.
9856 (OMP_CLAUSE_SET_CODE): Define.
9857 (OMP_CLAUSE_CODE): Define.
9858 (OMP_CLAUSE_OPERAND): Define.
9859 (struct tree_omp_clause): Declare.
9860 (union tree_node): Add field 'omp_clause'.
9861 * treestruct.def (TS_OMP_CLAUSE): Define.
9862 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9863 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9864 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9865 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9866 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9867 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9868 (OMP_CLAUSE): Define.
9869 * print-tree.c (print_node): Handle OMP_CLAUSE.
9870 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9871 * c-typeck.c: Likewise.
9872 * gimplify.c: Likewise.
9873 * c-omp.c: Likewise.
9874 * tree-nested.c: Likewise.
9875 * tree-inline.c: Likewise.
9876 * c-parser.c: Likewise.
9877 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9880 2006-01-25 Roger Sayle <roger@eyesopen.com>
9882 PR rtl-optimization/25703
9883 * combine.c (try_combine): Handle zero_extract and strict_low_part
9884 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9886 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9888 * global.c: Fix comment typos.
9890 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9893 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9894 Use output_addr_const instead of assemble_name.
9896 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9898 * Makefile.in (sched-vis.o): Update dependencies.
9899 * haifa-sched.c (sched_finish): Clear current_sched_info.
9900 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9901 (dump_flow_info): Call it.
9902 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9904 * basic-block.h (dump_bb_info): Declare.
9905 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9906 option, and apply options only for dump files whose TDF_RTL,
9907 TDF_TREE, or TDF_IPA bits match.
9908 * rtl.h: Declare new functions exported from sched-vis.c.
9909 * sched-vis.c: Enable also if scheduling is not used.
9910 (print_value): Print the mode of registers if not inside scheduling.
9911 (print_insn): Make it work outside the scheduler. Beautify the output
9913 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9915 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9917 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9918 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9919 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9920 depending on the value of CONSTANT_POOL_ADDRESS_P.
9921 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9923 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9924 rather than SYMBOL_REF_DECL.
9925 (rtx_constant_pool): Remove const_rtx_sym_htab.
9926 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9927 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9928 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9929 Remove handling of const_rtx_sym_htab.
9930 (find_pool_constant): Delete.
9931 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9932 rather than find_pool_constant.
9933 (get_pool_constant_for_function): Delete.
9934 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9936 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9937 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9938 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9939 (SYMBOL_REF_CONSTANT): New macro.
9940 (get_pool_constant_for_function): Delete.
9941 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9942 rather than SYMBOL_REF_DECL.
9943 (i386_pe_mark_dllimport): Likewise.
9944 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9945 rather than SYMBOL_REF_DECL.
9946 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9947 (machopic_indirect_call_target): Likewise.
9949 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9951 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9953 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9955 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9957 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9959 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9961 2006-01-24 David Daney <ddaney@avtrex.com>
9964 * configure.ac (enable_tls): New enable option.
9965 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9966 * configure: Regenerate.
9967 * doc/install.texi (--enable-tls): Document new option.
9968 (--disable-tls): Ditto.
9970 2006-01-24 Richard Henderson <rth@redehat.com>
9972 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9973 * alias.c (true_dependence): Respect it.
9974 (canon_true_dependence, write_dependence_p): Likewise.
9975 * builtins.c (get_builtin_sync_mem): Set it.
9977 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9979 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9982 2006-01-24 DJ Delorie <dj@redhat.com>
9984 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9985 for storing constants in single-bit bitfields.
9987 2006-01-25 Ben Elliston <bje@au.ibm.com>
9989 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9991 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9994 * tree-ssa-pre.c (phi_translate): Return NULL
9995 for AGGREGATE_TYPE's.
9997 2006-01-24 Zack Weinberg <zackw@panix.com>
9999 * genautomata.c (process_state_for_insn_equiv_partition):
10000 Use xcalloc for insn_arcs_array.
10001 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10002 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10004 2006-01-24 Richard Henderson <rth@redhat.com>
10006 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10007 update all callers.
10009 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10011 PR rtl-optimization/25890
10012 PR rtl-optimization/25905
10013 * combine.c (expand_compound_operation, expand_field_assignment):
10014 Fail if the bitfield's final position is out of bounds.
10016 2006-01-24 Ian Lance Taylor <ian@airs.com>
10018 PR middle-end/25930
10019 * cgraphunit.c (cgraph_output_in_order): Don't clear
10020 cgraph_asm_nodes until after asm strings have been output.
10022 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10024 * fix-header.c (read_scan_file): Add new parameter imultilib when
10025 calling register_include_chains.
10027 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10029 * omp-low.c: Update documentation.
10031 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10032 Daniel Berlin <dberlin@dberlin.org>
10036 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10037 return from the function.
10039 2006-01-22 Zack Weinberg <zackw@panix.com>
10041 * rtl.def (match_code): Add second argument.
10042 * genpreds.c (write_extract_subexp): New function.
10043 (write_match_code): Add path argument. Use write_extract_subexp.
10044 (write_predicate_expr): Pass path to write_match_code.
10045 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10046 not perform a mode test.
10047 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10048 a subexpression does not constrain the top-level code set.
10049 * read-rtl.c (read_rtx_variadic): New function.
10050 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10051 * doc/md.texi: Document new notation.
10052 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10053 (cmpsi_operand): ... here, using new notation.
10055 2006-01-22 Zack Weinberg <zackw@panix.com>
10057 * varray.c: Remove GENERATOR_FILE #ifdefs.
10059 2006-01-22 Zack Weinberg <zackw@panix.com>
10061 * genautomata.c (output_reserved_units_table): Emit nothing if
10062 description->query_units_num is zero. Remove extra blank line.
10063 (output_cpu_unit_reservation_p): Short circuit
10064 if description->query_units_num is zero.
10066 2006-01-22 Zack Weinberg <zackw@panix.com>
10068 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10069 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10070 nor any of the random handful of variables that used to be necessary
10071 when this program was linked with rtlanal.o. Prune set of forward
10072 function declarations.
10073 (struct attr_desc): Remove static_p field.
10074 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10075 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10076 (attr_string): Do not read the character one past the length of
10078 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10079 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10080 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10081 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10082 (make_automaton_attrs): New.
10083 (main): Do not call into genautomata. Call local gen_bypass
10084 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10085 Remove special case for insn_alts.
10086 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10087 varray.h (leftover from previous change). Prune set of forward
10088 function declarations. Remove state_alts fields from all
10089 structures. Remove state_alts_table from struct automaton.
10090 Make everything except main static. Do not maintain num_dfa_decls.
10091 Do not maintain state_alts fields of various structures.
10092 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10093 (add_arc): Remove state_alts argument. All callers updated.
10094 (output_reserved_units_table): Emit #ifdef here...
10095 (output_tables): ...not here. Don't generate state_alts tables.
10096 (expand_automata): Don't generate attributes.
10097 (write_automata): Don't generate state_alts functions.
10098 (main): New function.
10099 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10100 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10101 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10102 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10103 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10104 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10105 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10106 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10108 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10109 * genattrtab.h: Delete file.
10110 * Makefile.in (OBJS-common): Add insn-automata.o.
10111 (insn-automata.o): New rule.
10112 (simple_generated_c): Add insn-automata.c.
10113 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10114 (genprogmd): Add automata.
10115 (build/genattrtab): Needs no extra objects nor libraries.
10116 (build/genautomata): Needs build/vec.o and -lm.
10118 2006-01-22 Zack Weinberg <zackw@panix.com>
10120 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10121 (output_dfa_max_issue_rate, locked_states_num): Delete.
10122 (struct automaton): Add locked_states field.
10123 (output_dead_lock_vect): Save number of locked states in
10124 automaton->locked_states. If it is zero, don't print anything.
10125 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10126 (output_internal_dead_lock_func): Only test the dead_lock_vect
10127 for automata that have locked states.
10128 (output_statistics): Always print the number of locked states for
10129 each automaton. Calculate total number of locked states here.
10130 (write_automata): Don't call output_dfa_max_issue_rate.
10131 * genattrtab.c: Define length_unit_log as a const variable.
10132 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10133 max_insn_queue_index const.
10134 * final.c (length_unit_log): Declare const.
10135 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10137 2006-01-22 Zack Weinberg <zackw@panix.com>
10139 * genautomata.c: Include vec.h, not varray.h.
10140 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10141 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10142 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10143 VEC_* macros operating on appropriately typed vectors, or to
10144 malloced arrays when the size is known in advance. Const-ify
10145 many char* variables and function arguments. No functional changes.
10146 * Makefile.in (build/varray.o): Delete rule.
10147 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10148 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10150 2006-01-22 Zack Weinberg <zackw@panix.com>
10152 * gensupport.c: Define get_insn_name and record_insn_name here.
10153 (read_md_rtx): Call record_insn_name as appropriate.
10154 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10155 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10156 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10158 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10159 (BUILD_VARRAY): Delete.
10160 (genprognormal): Rename genprogmd. Fold in all programs from
10161 genprognoprint; also attrtab.
10162 (build/genattrtab): Just mention genautomata.o and varray.o.
10163 Reorganize a bit, add comments to make the categories clearer.
10165 2006-01-22 Zack Weinberg <zackw@panix.com>
10167 * genconditions.c (condition_table, add_condition): Delete.
10168 (write_conditions): Don't emit n_insn_conditions nor
10169 insn_elision_unavailable. Issue the gcc version #ifdef here,
10170 inside the table, with no #else clause ...
10171 (write_header): ...not here.
10172 (write_writer): New function.
10173 (main): Don't initialize condition_table. Use add_c_test.
10175 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10176 files on the command line.
10177 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10178 Return -1 if there is no entry in the table, don't abort.
10179 (add_c_test, traverse_c_tests): New functions.
10180 * gensupport.h (insn_elision_unavailable, insn_conditions)
10181 (n_insn_conditions): Delete declarations.
10182 (add_c_test, traverse_c_tests): Declare.
10183 * read-rtl.c: Include gensupport.h.
10184 (read_conditions): New function.
10185 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10186 (read_rtx_1): If we get EOF when we were looking for an initial
10187 open paren, return 0. Call read_conditions when appropriate.
10188 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10189 dummy-conditions.o. Eliminate references to insn-conditions.o,
10190 or change them to build/gencondmd.o, as appropriate. Remove
10191 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10192 from $(simple_generated_c). For all files remaining in those
10193 two lists, add insn-conditions.md to the generator command line.
10194 Give insn-constants.h/s-constants their own rules. Add rules
10195 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10196 (build/read-rtl.o): Depend on gensupport.h.
10197 (genprognormal): Include preds.
10198 (genprogearly): Rename genprognoprint; only difference is now that
10199 they don't link with $(BUILD_PRINT).
10200 * dummy-conditions.c: Delete.
10202 2006-01-22 Zack Weinberg <zackw@panix.com>
10204 * genextract.c: Don't include insn-config.h. Do include vec.h.
10205 Declare vectors of int, char, and locstr.
10206 (locstr): New typedef.
10207 (struct extraction): Make all array fields into bare pointers.
10208 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10209 (insn_code_number): Delete.
10210 (accum_extract): New struct.
10211 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10212 (gen_insn): Take insn_code_number as an argument. Use an
10213 accum_extract structure instead of loading data directly into
10214 a struct extraction, and having to know how big it might get.
10215 (walk_rtx): Operate entirely on an accum_extract structure.
10216 (print_path): Avoid unnecessary use of printf.
10217 (print_header): New function, split out of main. Distinguish
10218 more carefully between an unrecognizable insn and an insn that
10219 has the code number of a define_expand.
10220 (main): Pass insn_code_number to gen_insn. Call print_header
10221 only after parsing. Avoid unnecessary use of printf.
10222 * Makefile.in (build/vec.o): New rule.
10223 (build/genextract): Depend on build/vec.o.
10224 (build/genextract.o): Don't depend on insn-config.h.
10226 2006-01-22 Zack Weinberg <zackw@panix.com>
10228 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10229 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10230 practical. Eliminate per-generator-program link rules.
10232 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10234 PR middle-end/24437
10235 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10236 with a call expr to ...
10237 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10239 2006-01-23 Richard Guenther <rguenther@suse.de>
10241 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10242 before make_edge with conditional EDGE_TRUE_VALUE.
10244 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10245 Jan Hubicka <jh@suse.cz>
10246 Richard Guenther <rguenther@suse.de>
10248 PR rtl-optimization/25654
10249 * cfgexpand.c (aggregate_contains_union_type): New function.
10250 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10251 for structure variables that contain a union type.
10253 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10255 * gengtype.c (new_structure): Return the structure.
10256 (create_option): Add an extra "next" argument.
10257 (create_field): New function.
10258 (adjust_field_rtx_def): Use create_option and create_field.
10259 Remove a now-unnecessary call to find_structure.
10260 (adjust_field_tree_def): Likewise.
10261 (note_yacc_type): Remove an unnecessary call to find_structure.
10262 * gengtype.h (new_structure): Return the structure.
10263 (create_option): Add an extra argument.
10264 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10265 (option): Adjust calls to create_option.
10267 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10269 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10271 2006-01-22 Paul Brook <paul@codesourcery.com>
10272 Peter Barada <peter@the-baradas.com>
10274 * config/m68k/m68k.md: Add Coldfire FPU support.
10275 Define FP mode macro and associated attributes.
10276 Use it for float mode patterns.
10277 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10278 (LIBCALL_VALUE): Use m68k_libcall_value.
10279 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10280 (m68k_function_value): Ditto.
10281 (emit_move_sequence): Ditto.
10282 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10283 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10284 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10285 (MULTILIB_EXCEPTIONS): Ditto.
10286 * config/m68k/m68k.opt: Add mcfv4e.
10287 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10288 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10289 (m68k_output_function_prologue): Save ColdFire FPU registers.
10290 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10291 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10292 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10293 ColdFire FPU registers.
10294 (m68k_libcall_value, m68k_function_value): New functions.
10295 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10296 (LIBCALL_VALUE): Use m68k_libcall_value.
10297 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10298 (MASK_COLDFIRE): Add MASK_CFV4E.
10299 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10300 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10301 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10302 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10303 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10304 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10305 * doc/invoke.tex: Document -mcfv4e on m68k.
10307 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10309 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10312 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10315 * c-opts.c (c_common_handle_option): Don't include
10316 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10317 * doc/invoke.texi (C++ Dialect Options): Document that
10318 -Wnon-virtual-dtor is no longer included in -Wall.
10320 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10322 * gcov.c (print_version), gcov-dump.c (print_version),
10323 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10326 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10328 * df-scan.c (problem_SCAN): Added NULL reset function.
10329 (df_scan_reset_blocks): Added code to call reset block function
10330 (df_bb_refs_delete) Fixed comment.
10331 (df_insn_refs_delete): Made tolerant of deleting non existent info
10332 for dataflow problems that need to be reset.
10333 * df-core.c (df_set_blocks): Ditto.
10334 * df.h (struct df_problem): Added reset_fun.
10335 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10336 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10337 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10338 functions to clear out all references to def-use or use-def chains.
10340 2006-01-21 Ben Elliston <bje@au.ibm.com>
10342 * varasm.c (assemble_real): Initialise data array.
10344 2006-01-20 Paul Brook <paul@codesourcery.com>
10346 Merge from csl-arm-branch.
10347 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10348 * config/arm/arm.md (movdi): Force operands[1] to a register
10349 if we have a non-register source.
10350 (*arm_movdi, *movdf_soft_insn): Require that one of the
10351 operands be a register.
10352 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10353 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10355 2006-01-20 DJ Delorie <dj@redhat.com>
10357 * varasm.c (initializer_constant_valid_p): Allow pointers
10358 initialized from integer constants of lesser precision.
10359 (output_constant): Allow non-int-sized pointer modes to be
10360 initialized from integer constants.
10362 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10365 * cppdefault.h (struct default_include): Add multilib flag.
10366 * cppdefault.c (cpp_include_defaults): Set it.
10367 * c.opt (-imultilib): New option.
10368 * c-opts.c (imultilib): New.
10369 (c_common_handle_option): Handle -imultilib.
10370 (c_common_post_options): Likewise.
10371 * c-incpath.c (add_standard_paths, register_include_chains):
10373 * c-incpath.h (register_include_chains): Add extra parameter.
10374 * gcc.c (do_spec_1): Generate -imultilib option.
10375 (The Specs Language): Update %I description.
10376 (process_command): Update copyright notice.
10377 * doc/cppopts.texi (-imultilib): Document.
10378 * doc/invoke.texi (-imultilib): Include in option summary.
10379 (%I): Update specs documentation.
10381 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10383 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10385 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10387 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10390 2006-01-20 Richard Guenther <rguenther@suse.de>
10391 Steven Bosscher <stevenb.gcc@gmail.com>
10393 PR rtl-optimization/24626
10394 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10395 EDGE_TRUE_VALUE if in RTL mode.
10398 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10399 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10401 2006-01-20 Dirk Mueller <dmueller@suse.com>
10404 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10405 instead of a special NOP marker.
10406 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10407 NOP marker handling.
10408 * c-common.h (empty_body_warning): Add forward declaration.
10409 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10410 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10412 2006-01-20 Paul Brook <paul@codesourcery.com>
10414 * Makefile.in (lang_checks): Keep going if mkdir fails.
10416 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10418 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10419 be able to clean out basic block when not necessary.
10420 (df_scan_free): Fixed to properly delete information if df is
10421 unused before calling df_finish.
10422 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10423 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10425 (df_bb_refs_delete): New function.
10426 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10427 * df-core.c (df_set_blocks): Added code to properly clean out
10428 unused blocks if they are not part of the blocks to consider.
10429 Added additional null check.
10430 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10431 be able to clean out basic block when not necessary
10432 * df.h (df_free_bb_function): Ditto.
10433 (df_bb_refs_delete): New function.
10434 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10435 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10436 basic block parameter to be able to clean out basic block when not
10438 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10439 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10440 Fixed to properly delete information if df is unused before
10443 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10445 PR rtl-optimization/25799
10446 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10447 Corrected confluence operator to remove bits from op2 before oring
10448 with op1 rather than removing bits from op1.
10449 (df_ru_transfer_function): Corrected test on wrong bitmap which
10450 caused infinite loop. Both of these problems were introduced in
10451 the dataflow rewrite.
10453 2006-01-19 DJ Delorie <dj@redhat.com>
10455 * reload1.c (find_reload_regs): Note the details of reload
10456 failures in the dump file.
10457 (spill_failure): Likewise.
10459 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10461 * loop-iv.c: Include df.h and hashtab.h.
10462 (enum iv_grd_result): New enum.
10463 (DF_REF_IV, DF_REF_IV_SET): New macros.
10464 (struct biv_entry): New.
10465 (df, bivs): New global variables.
10466 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10467 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10469 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10470 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10471 analyzed_for_bivness_p, record_biv): New functions.
10472 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10473 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10474 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10476 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10478 (iv_number_of_iterations): Use new interface to iv analysis.
10479 * loop-unroll.c: Do not include varray.h.
10480 (analyze_iv_to_split_insn): Use new interface to iv
10482 * loop-unswitch.c (may_unswitch_on): Ditto.
10483 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10485 (df_bb_modify): Realloc tables to the new index.
10486 (df_find_use): New function.
10487 * df.h (df_find_use): Declare.
10488 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10490 * cfgloop.h (struct rtx_iv): Remove analysed field.
10491 (iv_get_reaching_def): Removed.
10492 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10493 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10494 (loop-iv.o): Add df.h and hashtab.h dependency.
10495 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10497 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10500 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10502 (__floatundisf, __floatundidf): Likewise.
10503 * libgcc2.h (IS_IBM_EXTENDED): Define.
10505 2006-01-19 DJ Delorie <dj@redhat.com>
10507 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10509 2006-01-19 Paul Brook <paul@codesourcery.com>
10511 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10512 as nothrow when unwinding tables are disabled.
10514 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10517 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10518 of bit-field" when in system header.
10520 2006-01-19 DJ Delorie <dj@redhat.com>
10522 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10523 the 16 bit shift limit of the m16c.
10525 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10528 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10529 * config/i386/i386.c (output_set_got): Output the label if we have one
10530 for the TARGET_DEEP_BRANCH_PREDICTION case.
10532 2006-01-19 Jan Hubicka <jh@suse.cz>
10533 H.J. Lu <hongjiu.lu@intel.com>
10534 Evandro Menezes <evandro.menezes@amd.com>
10536 * invoke.texi (generic): Document
10538 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10539 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10540 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10541 (x86_use_incdec, x86_pad_returns): New variables
10542 (TARGET_CPU_DEFAULT_generic): New constant
10543 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10544 (enum processor_type): Add generic32 and generic64.
10545 * i386.md (cpu attribute): Add generic32/generic64
10546 (movhi splitter): Behave sanely when both partial_reg_dependency and
10547 partial_reg_stall are set.
10548 (K8 splitters): Enable for generic as well.
10549 * predicates.md (incdec_operand): Use TARGET_INCDEC
10550 (aligned_operand): Avoid memory mismatch stalls.
10551 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10552 * ppro.md: Enable for generic32
10553 * i386.c (generic64_cost, generic32_cost): New.
10554 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10555 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10556 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10557 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10558 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10559 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10560 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10561 x86_accumulate_outgoing_args, x86_prologue_using_move,
10562 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10563 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10564 Enable for generic.
10565 (x86_use_incdec, x86_pad_returns): New.
10566 (override_options): Add generic32 and generic64, translate "generic"
10567 to generic32/generic64 and "i686" to "generic32", refuse
10568 "generic32"/"generic64" as arch target.
10569 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10570 (ix86_reorg): Honor PAD_RETURNS.
10572 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10574 * tree-pretty-print.c (dump_generic_node): Handle
10575 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10576 * cgraph.c (cgraph_expand_queue): Rename from
10577 cgraph_analyze_queue. Update all users.
10578 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10579 cgraph_expand_queue.
10580 (cgraph_expand_all_functions): Likewise.
10581 (cgraph_finalize_pending_functions): Remove. Update callers.
10583 * tree.h (OMP_DIRECTIVE_P): Define.
10584 (OMP_PARALLEL_FN): Define.
10585 (OMP_PARALLEL_DATA_ARG): Define.
10586 (OMP_SECTIONS_SECTIONS): Define.
10587 * tree-pass.h (pass_expand_omp): Declare.
10588 * omp-low.c (struct omp_region): Declare.
10589 (struct omp_context): Remove fields 'parallel_type',
10590 'parallel_start_ix' and 'parallel_start_additional_args'.
10592 (struct omp_for_data): Rename from struct expand_omp_for_data.
10593 (omp_regions): New static variable.
10594 (root_omp_region): New static variable.
10595 (find_omp_clause): Make static.
10596 (is_in_combined_parallel_ctx): Remove.
10597 (is_combined_parallel): New.
10598 (extract_omp_for_data): Move earlier in the file.
10599 (workshare_safe_to_combine_p): New.
10600 (get_ws_args_for): New.
10601 (determine_parallel_type): Move earlier in the file.
10602 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10604 (omp_copy_decl): Likewise.
10605 (create_omp_child_function): Likewise.
10606 (lookup_omp_region): New.
10607 (dump_omp_region): New.
10608 (debug_omp_region): New.
10609 (debug_all_omp_regions): New.
10610 (new_omp_region): New.
10611 (scan_omp_parallel): If parallel_nesting_level > 1, the
10612 directive is nested within another parallel directive.
10613 Set OMP_PARALLEL_FN.
10614 (scan_omp_for): Do not try to handle combined parallel+for
10616 Remove FIXME comment.
10617 (scan_omp_nested): Remove.
10618 (scan_omp_1): Do not call scan_omp_nested when
10619 parallel_nesting_level is > 1.
10620 Do not change the DECL_CONTEXT of local variables found.
10621 (lookup_decl_in_outer_ctx): New.
10622 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10623 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10624 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10625 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10626 If CTX is nested, lookup VAR in the outer context when
10627 building copy assignment.
10628 (lower_send_clauses): Rename from expand_send_clauses.
10629 If CTX is nested, lookup VAR in the outer context when
10630 building copy assignments.
10631 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10632 If CTX is nested, lookup VAR in the outer context when
10633 building copy assignments.
10634 (expand_parallel_call): Rename from build_parallel_call.
10635 Handle combined parallel+workshare cases.
10636 Re-implement to emit code into the CFG.
10638 (expand_omp_parallel): Re-implement to emit code into the CFG.
10639 Call move_sese_region_to_fn to outline the sub-graph
10640 containing the parallel region.
10641 (expand_omp_for_1): Remove.
10642 (expand_omp_for_generic): Re-implement to emit code into the
10644 (expand_omp_for_static_nochunk): Likewise.
10645 (expand_omp_for_static_chunk): Likewise.
10646 (expand_omp_for): Likewise.
10647 (expand_omp_sections): Likewise.
10648 (remove_exit_barriers): New.
10649 (expand_omp_synch): New.
10651 (build_omp_regions_1): New.
10652 (build_omp_regions): New.
10653 (execute_expand_omp): New.
10654 (gate_expand_omp): New.
10655 (pass_expand_omp): Define.
10656 (lower_omp_sections): Rename from expand_omp_sections.
10657 Set OMP_SECTIONS_SECTIONS.
10658 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10659 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10660 (lower_omp_single): Rename from expand_omp_simple.
10661 (lower_omp_master): Rename from expand_omp_master.
10662 (lower_omp_ordered): Rename from expand_omp_ordered.
10663 (lower_omp_critical): Rename from expand_omp_critical.
10664 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10665 (lower_omp_for): Re-implement.
10666 (lower_omp_parallel): Re-implement.
10667 (lower_regimplify): Rename from expand_regimplify.
10668 (lower_omp_1): Rename from expand_omp_1.
10669 If there are syntax errors in the program, replace every
10670 OpenMP directive with NOP.
10671 Call lower_omp_* instead of expand_omp_*.
10672 (lower_omp): Rename from expand_omp.
10674 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10675 * tree-gimple.h (enum omp_parallel_type): Remove.
10676 (gimple_boolify): Declare extern.
10677 (find_omp_clause, determine_parallel_type): Remove.
10679 * gimple-low.c (lower_omp_directive): New.
10680 (lower_stmt): Call it.
10681 (record_vars_into): Move from ...
10682 (record_vars): ... here.
10683 Call record_vars_into with current_function_decl.
10685 * gimplify.c (struct gimplify_ctx): Remove fields
10686 combined_pre_p and combined_ctxp. Update users.
10687 (get_formal_tmp_var): Add documentation.
10688 (gimple_boolify): Make extern.
10689 (gimplify_expr_in_ctx): Remove. Update callers.
10690 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10691 will always be a BIND_EXPR.
10692 (gimplify_expr): Handle OMP_RETURN_EXPR.
10693 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10694 (OMP_PARALLEL): Add 3 operands.
10695 (OMP_SECTIONS): Add 1 operand.
10696 (OMP_RETURN_EXPR): Define.
10698 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10699 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10700 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10701 creating a circular free list.
10702 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10704 * tree-flow.h (move_sese_region_to_fn): Declare.
10705 (record_vars_into): Declare.
10706 * tree-cfg.c (make_omp_sections_edges): New.
10707 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10708 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10709 OMP_SECTIONS and OMP_SECTION.
10710 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10711 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10712 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10713 (gather_blocks_in_sese_region): New.
10714 (struct move_stmt_d): Declare.
10715 (move_stmt_r): New.
10716 (move_block_to_fn): New.
10717 (move_sese_region_to_fn): New.
10719 * passes.c (init_optimization_passes): Schedule
10720 pass_expand_omp after pass_init_datastructures.
10722 * tree-ssa-operands.c (get_expr_operands): Handle
10723 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10724 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10726 2006-01-19 Jeff Law <law@redhat.com>
10728 * tree-vrp.c (extract_range_from_assert): Refine the result range
10729 if the variable referenced by the ASSERT_EXPR has a range and
10730 either the tentative result range or the previous range is a
10733 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10735 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10737 2006-01-19 Jan Hubicka <jh@suse.cz>
10739 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10741 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10743 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10744 (expand_compound_operation, expand_field_assignment): Fail if the
10745 bit lengths of an extract operation are out of range.
10746 (make_extraction): Compute wanted_inner_mode based on the position
10747 and length of the extraction. Make it extraction_mode for non-constant
10748 positions, and do not modify offset in that case. When generating a
10749 new MEM, use a mode that can hold the extraction while keeping correct
10750 alignment. Remove code that supported MEMs wrapped by USEs.
10751 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10753 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10755 * config/s390/s390.md ("Y", "y"): New mode attribute.
10756 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10757 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10758 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10759 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10760 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10761 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10762 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10763 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10764 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10765 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10766 "addsi3", "subsi3"): Insn patterns removed.
10767 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10768 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10769 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10770 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10771 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10772 "*sub<mode>3_cconly2"): New insn patterns.
10773 ("addsi3", "subsi3"): New expanders.
10775 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10777 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10778 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10779 existing STMT_VINFO_VECTYPE if available.
10780 (vect_mark_relevant): Add special handling for stmts that are
10781 marked as STMT_VINFO_IN_PATTERN_P.
10782 (vect_analyze_loop): Call vect_pattern_recog.
10783 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10784 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10786 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10787 (vect_recog_func_ptr): New function-pointer type.
10788 * tree-vect-patterns.c: New file.
10789 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10790 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10791 (vect_pattern_recog_1): New functions.
10792 (vect_pattern_recog_funcs): New array of function pointers.
10794 * tree-vectorizer.h (ternary_op): New enum value.
10795 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10796 declaration. Revised documentation. Removed redundant dump prints.
10797 Removed redundant argument. Added support for reduction patterns.
10798 (vectorizable_reduction): Added support for reduction patterns.
10799 (vect_transform_stmt): Added support for patterns.
10801 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10802 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10803 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10804 (expand_widen_pattern_expr): New function.
10805 (init_optabs): Initialize new optabs udot_prod_optab,
10807 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10808 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10809 (expand_widen_pattern_expr): New function declaration.
10810 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10812 * tree-inline.c (estimate_num_insns_1): Added cases for new
10813 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10814 * tree-pretty-print.c (dump_generic_node): Likewise.
10815 (op_prio): Likewise.
10816 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10817 * tree-ssa-operands.c (get_expr_operands): Added case for
10819 * tree-vect-patterns.c (widened_name_p): New function.
10820 (vect_recog_dot_prod_pattern): Added function implementation.
10821 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10822 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10823 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10824 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10826 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10827 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10828 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10829 (init_optabs): Initialize new optabs widen_ssum_optab,
10831 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10832 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10833 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10834 use instead of type of def.
10835 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10836 function implementation.
10837 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10838 widen_ssumv8hi): New.
10840 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10843 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10846 * c-decl.c (add_flexible_array_elts_to_size): New function.
10847 (finish_decl): Use it.
10849 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10851 * diagnostic.h: Include options.h.
10852 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10853 dependancies for diagnostic.h.
10854 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10856 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10858 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10859 (ssa_ro_call_cache_valid): Ditto.
10860 * tree-ssa-alias.c (sort_tags_by_id): New function.
10861 (init_transitive_clobber_worklist): Ditto.
10862 (add_to_worklist): Ditto.
10863 (mark_aliases_call_clobbered): Ditto.
10864 (compute_tag_properties): Ditto.
10865 (set_initial_properties): Ditto.
10866 (compute_call_clobbered): Ditto.
10867 (compute_may_aliases): Call compute_call_clobbered and grouping.
10868 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10869 (compute_flow_insensitive_aliasing): Grouping now happens in our
10871 (setup_pointers_and_addressables): Remove clobbering related code.
10872 (add_may_alias): Ditto.
10873 (replace_may_alias): Ditto.
10874 (get_nmt_for): Ditto.
10875 (create_global_var):
10876 (is_escape_site): Return an escape_type enumeration.
10877 * tree-flow-inline.h (is_call_clobbered): Global var does not
10878 imply call clobbered.
10879 (mark_call_clobbered): Take a reason for marking this. Remove
10880 marking of globalness, and cache invalidation.
10881 (clear_call_clobbered): Remove cache invalidation code.
10882 * tree-dfa.c (dump_variable): If details is on, dump the reason
10884 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10886 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10887 (struct var_ann_d): Ditto.
10888 (enum escape_type): New.
10889 (mark_call_clobbered): Adjust prototype.
10890 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10891 are never call clobbered.
10892 Record reasons for escaping.
10893 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10894 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10895 (ssa_ro_call_cache_valid): Ditto.
10896 (clobbered_v_may_defs): Ditto.
10897 (clobbered_vuses): Ditto.
10898 (ro_call_vuses): Ditto.
10899 (clobber_stats): New.
10900 (init_ssa_operands): Zero out clobber stats.
10901 (fini_ssa_operands): Print out clobber stats.
10902 (get_call_expr_operands): Pass callee fndecl to
10903 add_call_read_ops).
10904 (add_call_clobber_ops): Remove use of cache.
10905 Add use of PURE_CONST information.
10906 (add_call_read_ops): Remove use of cache.
10907 Add use of static not_read information.
10909 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10911 Introduce TLS descriptors for i386 and x86_64.
10912 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10913 (TARGET_ANY_GNU_TLS): New macro.
10914 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10915 (struct machine_function): Add tls_descriptor_call_expanded_p.
10916 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10917 (ix86_current_function_calls_tls_descriptor): Likewise.
10918 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10919 (override_options): Introduce gnu2 tls dialect.
10920 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10922 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10924 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10925 (ix86_init_machine_status): Initialize new field.
10926 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10927 (ix86_tls_module_base): New.
10928 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10929 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10930 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10931 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10932 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10933 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10934 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10935 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10936 * config/i386/predicates.md (tls_modbase_operand): New.
10937 (tp_or_register_operand): New.
10939 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10941 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10942 (look_for_address_of): Ditto.
10943 (ipa_init): Walk the function decls.
10944 (static_execute): Don't set readonly on FUNCTION_DECL's.
10946 2006-01-18 Roger Sayle <roger@eyesopen.com>
10948 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10949 for shifts where the source and destination registers are different.
10951 2006-01-18 Paul Brook <paul@codesourcery.com>
10953 Merge from csl-arm-branch.
10954 2005-03-14 Julian Brown <julian@codesourcery.com>
10955 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10956 (aeabi_llsl): Likewise.
10957 (ashrdi3): Likewise.
10958 (aeabi_lasr): Likewise.
10959 (lshrdi3): Likewise.
10960 (aeabi_llsr): Likewise.
10961 2005-03-10 Julian Brown <julian@codesourcery.com>
10962 * config.gcc: Disable shared libgcc for SymbianOS.
10963 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10965 2006-01-18 DJ Delorie <dj@redhat.com>
10967 * c-pragma.c (handle_pragma_diagnostic): New.
10968 (init_pragma): Register it.
10969 * doc/extend.texi: Document it.
10971 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10972 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10973 (diagnostic_context): Add classify_diagnostic[].
10974 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10975 as errors if they're overridden to DK_WARNING.
10976 (diagnostic_initialize): Initialize classify_diagnostic[].
10977 (diagnostic_set_kind_override): New.
10978 (diagnostic_report_diagnostic): Check for kind changes.
10979 * opts.c (common_handle_option): Take lang_mask. Update callers.
10980 Handle OPT_Werror_.
10981 * common.opt (Werror=): New.
10982 * doc/invoke.texi: Document -Werror=*
10984 2006-01-18 Jeff Law <law@redhat.com>
10986 * tree-vrp.c (test_for_singularity): Correct test for new
10987 min limit. Use operand_equal_p rather than pointer equality
10988 for testing if new min/max values are equal.
10990 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10991 using range information until after propagation and folding.
10993 2006-01-18 Richard Henderson <rth@redhat.com>
10994 Aldy Hernandez <aldyh@redhat.com>
10995 Jakub Jelinek <jakub@redhat.com>
10996 Diego Novillo <dnovillo@redhat.com>
10998 * omp-low.c: New file.
10999 * c-omp.c: New file.
11001 2006-01-18 Richard Henderson <rth@redhat.com>
11002 Jakub Jelinek <jakub@redhat.com>
11003 Diego Novillo <dnovillo@redhat.com>
11005 * doc/invoke.texi: Document -fopenmp.
11006 * tree-dump.h (debug_function): Declare.
11007 * hooks.c (hook_bool_tree_bool_false): New function.
11008 (hook_tree_tree_null): Remove.
11009 (hook_tree_tree_tree_null): New.
11010 * hooks.h: Update to match.
11011 * tree-pretty-print.c (debug_tree_chain): New.
11012 (print_generic_expr): Handle TDF_CHAIN.
11013 (dump_generic_node): Handle BLOCK.
11014 Do not abort with incomplete SWITCH_EXPRs.
11015 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11016 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11017 print space after directive name.
11018 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11019 Handle OMP_MASTER and OMP_ORDERED.
11020 Handle printing of OMP_BODY just in one place, goto
11021 dump_omp_body in the rest of OMP_* nodes that have
11023 Don't handle clause nodes here. Update omp statements to
11024 use dump_omp_clauses.
11025 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11026 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11027 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11028 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11029 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11030 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11031 Adjust output for GOMP_PARALLEL.
11032 (dump_omp_clauses): New.
11033 (print_declaration): Dump DECL_VALUE_EXPR.
11034 (op_symbol_1): Split out of op_symbol.
11035 (dumping_stmts): Remove. Update all users.
11036 * cgraph.c (cgraph_analyze_queue): New.
11037 (cgraph_add_new_function): New.
11038 * cgraph.h (cgraph_analyze_queue): Declare.
11039 (cgraph_add_new_function): Declare.
11040 (cgraph_lower_function): Remove.
11041 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11042 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11043 and TYPE_P nodes in its default clause.
11044 (empty_body_p): New.
11045 (tree_range_check_failed): New.
11046 (build5_stat): New.
11047 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11048 OMP_CLAUSE_REDUCTION_MERGE,
11049 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11050 OMP_CLAUSE_PRIVATE_DEBUG,
11051 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11052 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11053 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11054 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11055 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11056 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11057 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11058 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11059 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11060 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11061 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11062 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11063 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11064 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11065 (TREE_RANGE_CHECK): New.
11066 (empty_body_p): Declare.
11067 (enum omp_clause_default_kind): New.
11068 (build_string_literal): Declare.
11069 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11070 (build5_stat, build5): Declare.
11071 * tree-pass.h (TDF_CHAIN): Define.
11072 * tree-pass.h (PROP_gimple_lomp): Define.
11073 (pass_lower_omp): Declare.
11074 * diagnostic.h (debug_tree_chain): Declare.
11075 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11077 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11078 * builtins.c (build_string_literal): Make extern.
11079 * gcc.c (include_spec_function): New.
11080 (static_spec_functions): Add it.
11081 (main): Move load of libgomp.spec ...
11082 (LINK_COMMAND_SPEC): ... here.
11083 (link_gomp_spec): New.
11084 (static_specs): Include it.
11085 (LINK_COMMAND_SPEC): Add link_gomp.
11086 (GOMP_SELF_SPECS): New.
11087 (driver_self_specs): Include it.
11088 (switch_matches): Don't mark inline.
11089 (main): Load libgomp.spec.
11090 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11091 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11092 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11093 * tree-gimple.h (enum omp_parallel): Declare.
11094 (determine_parallel_type): Declare.
11095 (omp_firstprivatize_variable): Declare.
11096 (omp_reduction_init): Declare.
11097 (diagnose_omp_structured_block_errors): Declare.
11098 (struct walk_stmt_info): Add want_return_expr.
11099 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11100 (find_omp_clause): Declare.
11101 (insert_field_into_struct): Declare.
11102 (struct walk_stmt_info): Move from tree-nested.c
11103 (walk_stmts): Declare.
11104 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11106 * cgraphunit.c (cgraph_lower_function): Make static.
11107 (cgraph_finalize_pending_functions): New.
11108 (cgraph_finalize_function): Call it.
11109 (cgraph_finalize_compilation_unit): Likewise.
11110 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11111 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11112 (BT_FN_UINT_UINT): New.
11113 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11114 DEF_FUNCTION_TYPE_VAR_4): Document.
11115 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11116 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11117 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11118 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11119 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11120 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11121 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11122 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11123 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11124 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11125 into separate files.
11126 (DEF_GOMP_BUILTIN): New.
11127 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11128 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11129 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11130 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11131 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11132 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11133 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11134 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11135 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11136 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11137 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11138 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11139 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11140 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11141 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11142 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11143 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11144 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11145 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11146 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11147 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11148 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11149 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11150 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11151 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11152 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11153 * sync-builtins.def: New file, moved from builtins.def.
11154 * omp-builtins.def: New file, moved from builtins.def.
11155 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11156 * gimple-low.c (lower_function_body): Clear data.
11157 (lower_stmt): Do not handle COMPOUND_EXPR.
11158 Remove call to print_node_brief.
11159 * c-tree.h (c_finish_omp_clauses): New prototype.
11160 (C_DECL_THREADPRIVATE_P): Define.
11161 (lookup_name_no_remap, c_omp_remap_private): Remove
11162 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11163 (check_for_loop_decls): Update decl.
11164 (lookup_name_no_remap, c_omp_remap_private): Declare.
11165 (build_indirect_ref, build_modify_expr, pushdecl,
11166 pushdecl_top_level): Move to c-common.h.
11167 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11168 before the switch, but just in the 2 places that need it.
11169 * c-decl.c (diagnose_mismatched_decls): Do not check for
11170 mismatched thread-local attributes when OLDDECL is marked
11171 threadprivate and NEWDECL has no thread-local attributes.
11172 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11173 (c_gimple_diagnostics_recursively): Rename from
11174 c_warn_unused_result_recursively. Invoke
11175 diagnose_omp_structured_block_errors.
11176 (check_for_loop_decls): Return a singular decl found.
11177 * langhooks.c (lhd_omp_predetermined_sharing): Return
11178 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11179 (lhd_omp_firstprivatize_type_sizes): New.
11180 (lhd_omp_assignment): New.
11181 (lhd_omp_predetermined_sharing): New.
11182 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11183 (struct lang_hooks_for_types): Add
11184 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11185 omp_predetermined_sharing, omp_disregard_value_expr,
11186 omp_private_debug_clause, omp_clause_default_ctor,
11187 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11188 (c_finish_omp_clauses): New.
11189 (c_finish_bc_stmt): Diagnose break within omp for.
11190 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11191 (build_unary_op): Return error_mark after reporting
11193 (build_modify_expr): Likewise.
11194 * gimplify.c: Include optabs.h and pointer-set.h.
11195 (enum gimplify_omp_var_data): Declare.
11196 (struct gimplify_omp_ctx): Declare.
11197 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11199 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11200 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11201 (splay_tree_compare_decl_uid): New.
11202 (new_omp_context): New.
11203 (delete_omp_context): New.
11204 (gimple_add_tmp_var): Call omp_add_variable.
11205 (gimplify_bind_expr): Likewise.
11206 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11207 true, disregard DECL_VALUE_EXPR on the decl if any.
11208 (gimplify_expr_in_ctx): New.
11209 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11210 omp_add_variable, omp_notice_variable, omp_is_private
11211 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11212 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11213 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11214 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11215 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11216 gimplify_omp_atomic): New.
11217 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11218 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11219 OMP_CRITICAL and OMP_ATOMIC.
11220 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11221 * c-pragma.h (enum pragma_kind): Add
11222 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11223 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11224 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11225 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11226 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11227 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11228 PRAGMA_OMP_THREADPRIVATE.
11229 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11230 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11231 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11232 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11233 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11234 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11235 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11236 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11237 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11238 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11239 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11240 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11241 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11243 (struct nesting_info): Add field_map,
11244 suppress_expansion, debug_var_chain.
11245 (create_nesting_tree): Initialize them.
11246 (lookup_field_for_decl): Use field_map.
11247 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11248 (convert_local_omp_clauses): New.
11249 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11250 (walk_body): Split out of walk_function.
11251 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11252 (convert_nonlocal_reference): Handle omp statements.
11253 (convert_local_reference): Likewise.
11254 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11255 (unnest_nesting_tree): New.
11256 (lower_nested_functions): Call it.
11257 (insert_field_into_struct): Make extern.
11258 (struct walk_stmt_info): Move to tree-gimple.h.
11259 (walk_stmts): Make extern.
11260 * omp-builtins.def: New file.
11261 * tree-iterator.c (expr_only): Clarify comment.
11262 * c-common.h (pushdecl_top_level, pushdecl,
11263 build_modify_expr, build_indirect_ref,
11264 c_finish_omp_master, c_finish_omp_critical,
11265 c_finish_omp_ordered, c_finish_omp_barrier,
11266 c_finish_omp_atomic, c_finish_omp_flush,
11267 c_finish_omp_for, c_split_parallel_clauses,
11268 omp_clause_default_kind, c_omp_sharing_predetermined,
11269 c_omp_remap_decl): Declare.
11270 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11271 (OBJS-common): Add omp-low.o.
11272 (c-omp.o, omp-low.o): Add.
11273 (gimplify.o): Add dependency on $(OPTABS_H).
11274 (GTFILES): Add omp-low.c.
11275 (gt-stringpool.h): Add.
11276 * tree-cfg.c (set_bb_for_stmt): Do not update the
11277 block-to-labels map if we are currently expanding to RTL.
11278 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11280 Handle IDENTIFIER_NODE.
11281 (tree_verify_flow_info): Do not ICE when emitting error
11282 messages about invalid labels.
11283 (dump_function_to_file): Reset CFUN before emitting the body
11285 (debug_function): New.
11286 * passes.c (init_optimization_passes): Schedule
11288 * langhooks-def.h (lhd_omp_predetermined_sharing,
11289 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11291 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11292 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11293 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11294 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11295 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11296 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11297 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11298 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11299 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11300 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11301 (LANG_HOOK_DECLS): Use them.
11303 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11304 Richard Henderson <rth@redhat.com>
11305 Jakub Jelinek <jakub@redhat.com>
11306 Diego Novillo <dnovillo@redhat.com>
11308 * c-parser.c (pragma_omp_clause): Define.
11309 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11310 (c_parser_compound_statement): Likewise.
11311 (c_parser_statement): Likewise.
11312 (c_parser_pragma): Handle omp pragmas.
11313 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11314 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11315 (c_parser_omp_clause_name, check_no_duplicate_clause,
11316 c_parser_omp_variable_list,
11317 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11318 c_parser_omp_clause_copyprivate,
11319 c_parser_omp_clause_default,
11320 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11321 c_parser_omp_clause_lastprivate,
11322 c_parser_omp_clause_nowait,
11323 c_parser_omp_clause_num_threads,
11324 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11325 c_parser_omp_clause_reduction,
11326 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11327 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11328 c_parser_omp_atomic, c_parser_omp_barrier,
11329 c_parser_omp_critical, c_parser_omp_flush,
11330 c_parser_omp_for_loop, c_parser_omp_for,
11331 c_parser_omp_master, c_parser_omp_ordered,
11332 c_parser_omp_sections_scope, c_parser_omp_sections,
11333 c_parser_omp_parallel, c_parser_omp_single,
11334 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11335 * c-pragma.c (init_pragma): Do omp pragma registration here.
11336 * c.opt (fopenmp): New flag.
11338 2006-01-18 Eric Christopher <echristo@apple.com>
11340 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11341 * config/darwin.h (GOMP_SELF_SPECS): Define.
11343 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11345 * rtl.h: Remove the prototype for reg_alloc.
11347 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11350 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11351 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11352 sjlj and dwarf2 exception handling.
11353 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11354 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11355 * pa/pa.c (function_value): Treat complex and vector types as
11357 (function_arg): Likewise. Only pass scalar floats in the floating
11358 point argument registers.
11359 * pa/t-slibgcc-dwarf-ver: New file.
11360 * pa/t-slibgcc-sjlj-ver: New file.
11361 * pa/t-slibgcc-elf-ver: Delete file.
11363 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11365 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11366 unlikely_test_section_p test.
11368 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11370 * mode-switching.c (optimize_mode_switching): Make it static.
11371 * basic-block.h: Remove the prototype for
11372 optimize_mode_switching.
11374 * modulo-sched.c (sms_schedule): Make it static.
11375 * rtl.h: Remove the prototype for sms_schedule.
11377 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11378 * rtl.h: Remove the prototype for gcse_after_reload_main.
11380 * reg-stack.c (reg_to_stack): Make it static.
11381 * rtl.h: Remove the prototype for reg_to_stack.
11383 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11385 * rtl.h: Remove the prototypes for regrename_optimize and
11386 copyprop_hardreg_forward.
11388 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11390 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11391 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11392 Test against the appropriate null constant for the mode.
11393 If 'fixup_overlap' is true, swap the operands if they overlap.
11394 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11395 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11396 alpha_split_tmode_pair and adjust for above change.
11397 * config/alpha/alpha.md (movtf_internal): Adjust call to
11398 alpha_split_tfmode_pair and rely on it to swap the operands.
11399 (movti_internal): New insn and post-reload splitter.
11400 (movti): New expander.
11402 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11404 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11407 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11409 * rtlanal.c (global_reg_mentioned_p_1,
11410 global_reg_mentioned_p): Remove.
11411 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11413 * flow.c (initialize_uninitialized_subregs): Make it static.
11414 * rtl.h: Remove the prototype for
11415 initialize_uninitialized_subregs.
11417 * function.c (instantiate_virtual_regs): Make it static.
11418 * function.h: Remove the prototype for
11419 instantiate_virtual_regs.
11421 * regmove.c (regmove_optimize, combine_stack_adjustments):
11423 * rtl.h: Remove the prototypes for regmove_optimize and
11424 combine_stack_adjustments.
11426 2006-01-17 Roger Sayle <roger@eyesopen.com>
11428 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11429 (size_cost): Encode costs in bytes so that a reg-reg addition is
11430 equivalent to COSTS_N_INSNS(1).
11431 (override_options): Use the size_cost.branch_cost as the default
11432 ix86_branch_cost when optimizing for size.
11434 2006-01-18 Ben Elliston <bje@au.ibm.com>
11436 * Makefile.in (D32PBIT_FUNCS): New.
11437 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11438 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11439 D64PBIT_FUNCS and D128PBIT_FUNCS.
11440 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11441 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11443 (decnumber_dep): Define.
11444 * doc/libgcc.texi (Decimal float library routines): New node.
11445 * config/dfp-bit.h, config/dfp-bit.c: New files.
11447 2006-01-18 Ben Elliston <bje@au.ibm.com>
11449 * expr.c (emit_move_change_mode): Always adjust addresses, not
11450 just during reload. Copy replacements only during reload.
11451 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11452 emit_move_via_integer.
11454 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11456 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11457 instead of $(srcdir) and ${srcdir}.
11459 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11462 PR middle-end/11135
11463 * arm.h (struct machine_function): Add pic_reg.
11464 * arm.c (arm_pic_register): Make unsigned.
11465 (arm_override_options): Only set arm_pic_register if
11466 TARGET_SINGLE_PIC_BASE.
11467 (use_return_insn): Only test for a pic register if it is fixed.
11468 (arm_compute_save_reg0_reg12_mask): Likewise.
11469 (thumb_compute_save_reg_mask): Likewise.
11470 (legitimate_pic_operand): Factor out some known invariants.
11471 (legitimize_pic_address): If we don't have a fixed pic register,
11472 then set up a pseudo in the function entry sequence. Handle the
11473 pic base being in a pseudo.
11474 (arm_load_pic_register): Handle the pic register being in a pseudo.
11475 (arm_expand_prologue): Only set up the pic register if it is fixed.
11476 (thumb_expand_prologue): Likewise.
11477 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11478 (pic_load_addr_based_insn): Likewise.
11479 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11482 2006-01-18 Ben Elliston <bje@au.ibm.com>
11484 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11485 decimal float modes for all floating point registers.
11487 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11488 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11490 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11493 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11494 even when the pointer is not NULL.
11496 2006-01-16 Ian Lance Taylor <ian@airs.com>
11498 * common.opt (ftoplevel-reorder): New option.
11499 * cgraph.c (cgraph_asm_nodes): New global variable.
11500 (cgraph_asm_last_node): New static variable.
11501 (cgraph_order): New global variable.
11502 (cgraph_create_node): Set new order field.
11503 (cgraph_varpool_node): Likewise.
11504 (decide_is_variable_needed): Return true if not
11505 flag_toplevel_reorder.
11506 (cgraph_add_asm_node): New function.
11507 * cgraph.h (struct cgraph_node): Add order field.
11508 (struct cgraph_varpool_node): Add order field.
11509 (struct cgraph_asm_node): Define.
11510 (cgraph_asm_nodes, cgraph_order): Declare.
11511 (cgraph_add_asm_node): Declare.
11512 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11514 (cgraph_varpool_assemble_pending_decls): Call it.
11515 (cgraph_output_pending_asms): New static function.
11516 (cgraph_finalize_compilation_unit): Call it.
11517 (struct cgraph_order_sort): Define.
11518 (cgraph_output_in_order): New static function.
11519 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11520 !flag_toplevel_reorder case.
11521 * c-parser.c: Include "cgraph.h".
11522 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11524 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11525 than -fno-unit-at-a-time.
11526 * doc/invoke.texi (Option Summary): Mention
11527 -fno-toplevel-reorder.
11528 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11529 -funit-at-a-time documentation.
11531 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11532 Kazu Hirata <kazu@codesourcery.com>
11534 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11536 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11538 * Makefile.in (FUNCTION_H): New. Use it instead of
11539 function.h throughout the file.
11540 * function.h: Include tree.h.
11542 2006-01-17 Ben Elliston <bje@au.ibm.com>
11544 * recog.c: Separate some functions with whitespace.
11546 2006-01-16 Richard Henderson <rth@redhat.com>
11548 Merge from gomp branch:
11549 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11550 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11551 and rename from struct inline_data. Rename callee* to dst*;
11552 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11553 transform_new_cfg, transform_return_to_modify, and
11554 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11556 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11557 (copy_decl_for_dup): Remove.
11558 * tree-inline.c (struct inline_data): Move to header.
11559 (insert_decl_map): Export.
11560 (remap_decl): Update for member name changes. Use copy_decl hook.
11561 Allow for replacement to be a non-decl. Remove dead code.
11562 (remap_type_1): Check for existing mapping.
11563 (remap_type): Export.
11564 (remap_decls): Update for member name changes.
11565 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11566 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11567 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11568 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11569 (tree_function_versioning, build_duplicate_type): Likewise.
11570 (copy_body_r): Likewise. Export.
11571 (copy_decl_for_dup): Split into ...
11572 (copy_decl_for_dup_finish, copy_decl_to_var,
11573 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11574 (replace_ref_tree, inlining_p): Remove.
11576 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11578 * ifcvt.c (if_convert): Make it static.
11579 * rtl.h: Remove the prototype for if_convert.
11581 * local-alloc.c (local_alloc): Make it static.
11582 * rtl.h: Remove the prototype for local_alloc.
11584 * loop.c (loop_optimize): Make it static.
11585 * cfgloop.h: Remove the prototype for loop_optimize.
11588 2006-01-16 DJ Delorie <dj@redhat.com>
11590 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11593 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11595 * pa.md: Disparage copies between general and floating-point registers
11596 in 32-bit move patterns.
11598 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11601 * Makefile.in (check-%): Depend on site.exp instead of
11602 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11605 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11607 * global.c (global_alloc): Make it static.
11608 * rtl.h: Remove the prototype for global_alloc.
11610 2006-01-16 Richard Guenther <rguenther@suse.de>
11612 * tree-ssa-alias.c (struct used_part): Add write_only field.
11613 (get_or_create_used_part_for): Initialize it to true.
11614 (create_overlap_variables_for): Don't create structure variables
11615 for structures that only are written to.
11616 (find_used_portions): Handle MODIFY_EXPR to track whether a
11617 structure is only written to.
11619 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11621 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11623 * basic-block.h: Remove the prototype for
11624 partition_hot_cold_basic_blocks.
11626 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11628 * cppspec.c (lang_specific_spec_functions): Remove.
11629 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11630 * gcc.h (lang_specific_spec_functions): Remove.
11631 * gccspec.c (lang_specific_spec_functions): Remove.
11633 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11635 * combine.c (record_value_for_reg): Invalidate registers
11637 (record_dead_and_set_regs_1): Likewise, by passing them to
11638 record_value_for_reg.
11639 (record_dead_and_set_regs): Invalidate stores made by a
11640 call. We do not combine across a call, but we still
11641 relied on equivalences.
11643 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11645 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11646 vrp_int_const_binop returning non-constant nodes.
11648 2006-01-16 Paul Brook <paul@codesourcery.com>
11650 * config/m68k/m68k.c (output_move_const_into_data_reg):
11651 Output correct mnemonic for mvz and mvs.
11653 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11655 * rtl-factoring.c: Add sequence abstraction algorithm.
11656 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11657 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11659 (block_has_preserve_label): New function.
11660 * common.opt: Register new pass.
11661 * Makefile.in: Ditto.
11663 * timevar.def: Ditto.
11664 * tree-pass.h: Ditto.
11665 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11666 * rtl.h (make_jump_insn_raw): Add forward decl.
11667 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11669 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11670 Roger Sayle <roger@eyesopen.com>
11672 * fold-const.c (fold_minmax): New static function.
11673 (fold_binary) <MIN_EXPR>: Call it.
11674 <MAX_EXPR>: Likewise.
11675 * stor-layout.c (place_field): Use DECL_SIZE consistently
11676 in the computation of the new record size.
11678 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11680 * cse.c (cse_condition_code_reg): Make it static.
11681 * rtl.h: Remove the prototype for cse_condition_code_reg.
11683 * combine.c (combine_instructions): Make it static.
11684 * rtl.h: Remove the prototype for combine_instructions.
11686 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11689 * tree.c (get_file_function_name_long): Concatenate the first global
11690 object name with a string derived from the input filename of the object
11693 2006-01-16 Ben Elliston <bje@au.ibm.com>
11695 * config/i386/winnt-stubs.c: Update FSF address.
11696 * config/xtensa/ieee754-df.S: Ditto.
11697 * config/xtensa/ieee754-sf.S: Ditto.
11699 2006-01-14 Ian Lance Taylor <ian@airs.com>
11701 * ifcvt.c (noce_init_if_info): New static function, broken out of
11702 noce_process_if_block.
11703 (noce_process_if_block): Call noce_init_if_info.
11704 (check_cond_move_block): New static function.
11705 (cond_move_process_if_block): New static function.
11706 (process_if_block): Call cond_move_process_if_block.
11708 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11710 * cselib.c (hash_table): Rename to cselib_hash_table.
11711 (cselib_clear_table, discard_useless_values,
11712 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11713 cselib_init, cselib_finish): Adjust uses of hash_table.
11715 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11717 PR tree-optimization/25485
11718 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11719 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11720 is known to be false and true, respectively.
11722 2006-01-14 Richard Guenther <rguenther@suse.de>
11724 PR tree-optimization/22548
11725 PR tree-optimization/22555
11726 PR tree-optimization/22501
11727 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11728 * params.def (salias-max-array-elements): New parameter.
11729 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11730 * doc/invoke.texi (salias-max-array-elements): Document.
11731 * tree-flow-inline.h (var_can_have_subvars): We also handle
11733 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11735 * tree-ssa-structalias.c (params.h): Include.
11736 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11737 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11738 (get_constraint_for): For ADDR_EXPR operating on something
11739 containing an ARRAY_REF, add all subvars to the solution.
11740 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11741 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11742 for creating MUST_DEFs.
11743 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11745 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11747 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11749 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11750 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11751 number_of_iterations_le): New functions.
11752 (number_of_iterations_special): Removed.
11753 (number_of_iterations_exit): Do not use number_of_iterations_special.
11754 * tree.c (unsigned_type_for): Always return integer type.
11756 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11757 Richard Guenther <rguenther@suse.de>
11759 PR rtl-optimization/24257
11760 * gcse.c (find_moveable_store): Only consider a store movable
11761 when the SET_SRC of the insn can be assigned to a register.
11763 2006-01-14 Ian Lance Taylor <ian@airs.com>
11765 * tree.c (tree_not_class_check_failed): New function.
11766 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11767 (tree_not_class_check_failed): Declare.
11769 2006-01-13 Ian Lance Taylor <ian@airs.com>
11771 * reload1.c (do_output_reload): Add assertion rejecting a
11774 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11776 * combine.c (struct reg_stat): Add new fields truncation_label and
11778 (record_value_for_reg): Reset truncated_to_mode.
11779 (record_truncated_value): New function.
11780 (check_promoted_subreg): Call it. Rename to check_conversions.
11781 (combine_instructions): Rename check_promoted_subreg to
11783 (reg_truncated_to_mode): New function.
11784 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11785 (gen_lowpart_or_truncate): New function.
11786 (force_to_mode): Use it instead of gen_lowpart.
11788 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11790 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11791 VAR is a tag, not its type tag.
11793 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11795 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11796 alternatives to match style of other entries.
11797 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11799 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11801 PR tree-optimization/25771
11802 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11805 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11808 * tree-inline.c (declare_return_variable): If the return variable
11809 was marked as a non gimple complex, set the return slot variable
11810 to be a non gimple comple variable.
11812 2006-01-13 Richard Guenther <rguenther@suse.de>
11814 * builtins.c (expand_builtin_sincos): New function.
11815 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11817 (expand_builtin): Expand sincos using expand_builtin_sincos.
11819 2006-01-12 DJ Delorie <dj@redhat.com>
11821 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11822 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11823 so that constant shifts can be split.
11824 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11825 (m32c_valid_pointer_mode): Make static.
11826 (shift_gen_func_for): New.
11827 (m32c_prepare_shift): Use it. Split large const shifts into
11829 * config/m32c/predicates.md (shiftcount_operand): Allow more
11831 (longshiftcount_operand): New.
11832 * doc/md.texi (Machine Constraints): Document In6.
11834 2006-01-13 Ben Elliston <bje@au.ibm.com>
11836 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11837 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11840 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11842 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11843 to try to avoid clobbering pieces of structures when we know
11844 something about the whole structure.
11845 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11847 2006-01-13 Ben Elliston <bje@au.ibm.com>
11849 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11850 return in memory, as this is no limitation is no longer present.
11852 2006-01-12 DJ Delorie <dj@redhat.com>
11854 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11855 mova with fb, and for fb+0 -> An.
11857 * config/m32c/mov.md (peephole2): Fix enabling logic.
11859 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11860 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11861 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11862 FINI_ARRAY_SECTION_ASM_OP): Define.
11864 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11866 (m32c_legitimize_reload_address): New logic to reload FB to An.
11867 (m32c_output_reg_push): Add newline.
11868 (m32c_output_reg_pop): Likewise.
11870 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11872 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11874 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11876 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11878 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11880 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11883 2006-01-11 Ben Elliston <bje@au.ibm.com>
11885 * rtlanal.c (find_reg_note): Assert insn is not null.
11887 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11889 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11892 2006-01-11 Jeff Law <law@redhat.com>
11894 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11896 (mark_threaded_blocks, register_jump_thread): New functions.
11897 (thread_through_all_blocks): Remove unwanted argument. No
11898 longer rely on e->aux to communicate thread target info.
11899 Call mark_threaded_blocks. Release the threaded_blocks
11900 bitmap and threaded_edges vector when complete.
11901 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11902 (threaded_blocks): Remove.
11903 (tree_ssa_dominator_optimize): Remove initialization and
11904 finalization of threaded_blocks. Simplify call to
11905 thread_through_all_blocks.
11906 (thread_across_edge): Call register_jump_thread rather than
11907 storing thread information into e->aux.
11908 (free_all_edge_infos): Simplify now that e->aux is no longer
11909 used to communicate with thread_through_all_blocks.
11910 * tree-flow.h (thread_through_all_blocks): Update prototype.
11911 (register_jump_thread): Prototype.
11913 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11915 * df-core.c (df_compact_blocks, df_bb_replace): Use
11916 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11918 2006-01-11 Richard Guenther <rguenther@suse.de>
11920 PR tree-optimization/25734
11921 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11922 stop propagation after successful propagation to the LHS.
11924 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11926 * basic-block.h (control_flow_graph): Change the type of
11927 x_basic_block_info to VEC(basic_block,gc) *.
11928 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11930 (SET_BASIC_BLOCK): New.
11931 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11932 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11933 * cfgbuild.c (find_basic_blocks): Likewise.
11934 * cfglayout.c (fixup_reorder_chain): Likewise.
11935 * cfgrtl.c (create_basic_block_structure,
11936 rtl_create_basic_block): Likewise.
11937 * ifcvt.c (find_if_case_1): Likewise.
11938 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11941 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11943 * Makefile.in: Removed rotted odf.c entry.
11945 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11948 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11949 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11950 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11951 output pattern modifier, not %e.
11952 * config/cris/cris.c (cris_op_str): Update comment about pattern
11954 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11955 before falling through into...
11956 <case 'E'>: Redefined from old 'e' case.
11958 2006-01-11 Jan Hubicka <jh@suse.cz>
11961 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11963 2006-01-11 Jan Hubicka <jh@suse.cz>
11965 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11966 * i386.c (x86_decompose_lea): Kill.
11967 (ix86_rtx_costs): Kill.
11969 2006-01-11 Jan Hubicka <jh@suse.cz>
11971 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11972 * cgraph.h (cgraph_node): Add inline_decl.
11973 (cgraph_insert_node_to_hashtable): Declare.
11974 (save_inline_function_body): Declare.
11975 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11977 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11978 (cgraph_function_versioning): Update call of tree_function_versioning.
11979 (save_inline_function_body): New function.
11980 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11981 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11982 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11983 (cgraph_default_inline_p): Likewise.
11984 (cgraph_decide_inlining_incrementally): Likewise.
11985 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11986 (copy_bb): Kill saving; do updating of clones.
11987 (copy_cfg_body): Kill saving.
11988 (initialize_inlined-parameters): Likewise.
11989 (expand_call_inline): Likewise.
11991 (tree_function_versioning): New parameter "update_clones".
11992 (inlining_p): Kill saving.
11993 * tree-inline.h (tree_function_versioning): Update prototype.
11994 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11997 2006-01-11 Ian Lance Taylor <ian@airs.com>
11999 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12000 Allow undoing set of machine mode.
12001 (do_SUBST): Use enums instead of is_int.
12002 (do_SUBST_MODE): New function.
12003 (SUBST_MODE): New macro.
12004 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12005 reg and trying to replace reg_regno_rtx with a new register.
12006 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12007 (simplify_set): Use SUBST_MODE.
12008 (distribute_notes): Remove code that tried to update reg notes
12009 for regno_reg_rtx changes.
12011 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12013 PR tree-optimization/23109
12014 PR tree-optimization/23948
12015 PR tree-optimization/24123
12017 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12018 * tree-cfg.c (single_noncomplex_succ): New.
12019 * tree-flow.h (single_noncomplex_succ): Declare it.
12020 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12021 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12022 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12023 insert_bb, register_division_in, insert_reciprocals,
12024 replace_reciprocal, free_bb): New.
12025 (execute_cse_reciprocals_1): Rewritten.
12026 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12027 Do not commit any edge insertion. Always compute dominators and
12028 create the allocation pool.
12029 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12030 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12031 * targhooks.c (default_min_divistions_for_recip_mul): New.
12032 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12033 * passes.c (init_optimization_passes): Run recip after tree loop
12035 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12037 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12038 Kenneth Zadeck <zadeck@naturalbridge.com>
12040 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12041 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12042 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12043 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12044 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12045 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12046 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12047 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12048 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12049 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12050 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12051 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12052 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12053 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12054 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12055 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12056 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12057 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12058 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12059 DF_SCAN_POST_ALLOC): New macros.
12060 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12061 df_free_bb_function, df_local_compute_function, df_init_function,
12062 df_dataflow_function, df_confluence_function_0,
12063 df_confluence_function_n, df_transfer_function,
12064 df_finalizer_function, df_free_function, df_dump_problem_function,
12065 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12066 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12067 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12068 df_urec_bb_info, ) New types.
12069 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12071 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12072 df_analyze_simple_change_some_blocks,
12073 df_analyze_simple_change_one_block, df_compact_blocks,
12074 df_bb_replace, df_bb_regno_last_use_find,
12075 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12076 df_insn_regno_def_p, df_find_def, df_find_use,
12077 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12078 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12079 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12080 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12081 debug_df_chain, df_get_dependent_problem, df_chain_create,
12082 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12083 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12084 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12085 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12086 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12087 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12088 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12089 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12090 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12091 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12092 df_reorganize_refs, df_set_state, df_hard_reg_init,
12093 df_read_modify_subreg_p) New public functions.
12094 * df-core.c: The core dataflow solver and glue routines for rtl
12096 (df_init, df_add_problem, df_set_blocks, df_finish,
12097 df_hybrid_search_forward, df_hybrid_search_backward,
12098 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12099 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12100 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12101 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12102 df_reg_defined, df_find_use, df_reg_used, df_dump,
12103 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12104 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12105 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12106 debug_df_useno, reset_df_after_reload): New functions.
12107 * df-scan.c: The scanning fuctions, once in df.c, completely
12108 rewritten so that they now fully model the functionality of
12109 register usage at the backend.
12110 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12111 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12112 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12113 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12114 df_get_artificial_defs, df_get_artificial_uses,
12115 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12116 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12117 df_refs_delete, df_reorganize_refs, df_set_state,
12118 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12119 df_def_record_1, df_defs_record, df_uses_record,
12120 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12121 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12122 df_record_exit_block_uses, df_hard_reg_init): New functions.
12124 * df-problems.c: Seven concrete dataflow problems that use the
12125 scanning in df-scan.c and are solved by the engine in df-core.c.
12126 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12127 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12128 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12129 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12130 df_ru_free_bb_info, df_ru_alloc,
12131 df_ru_bb_local_compute_process_def,
12132 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12133 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12134 df_ru_transfer_function, df_ru_free, df_ru_dump,
12135 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12136 df_rd_free_bb_info, df_rd_alloc,
12137 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12138 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12139 df_rd_transfer_function, df_rd_free, df_rd_dump,
12140 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12141 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12142 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12143 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12144 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12145 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12146 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12147 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12148 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12149 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12150 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12151 df_urec_mark_reg_use_for_earlyclobber,
12152 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12153 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12154 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12155 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12156 df_chain_create_bb_process_use, df_chain_create_bb,
12157 df_chain_finalize, df_chain_free, df_chains_dump,
12158 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12159 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12160 df_reg_lifetime): New functions.
12161 * df.c: Deleted file.
12162 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12163 consistent with new df api.
12164 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12165 rest_of_handle_sms): Ditto.
12166 * web.c (unionfind_union, union_defs, entry_register, web_main):
12168 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12169 invariant_expr_equal_p, find_defs, check_dependencies,
12170 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12171 free_inv_motion_data, move_loop_invariants): Ditto.
12172 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12173 Update dependencies.
12174 (odf.c): Added defective entry that was deleted later in day.
12175 * sched-deps.c (sched_analyze_1): Ditto.
12177 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12179 * tree-ssa-operands.c (get_expr_operands): Record addressable
12180 variables directly. Do not call add_stmt_operands for CONST_DECLs
12182 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12183 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12185 2006-01-11 Ben Elliston <bje@au.ibm.com>
12187 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12188 function returns true in the positive case.
12190 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12193 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12194 for SI, DI, SF and DF modes. Add alternatives to copy between
12195 general and floating point registers to the 32-bit patterns.
12196 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12197 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12198 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12199 generating 64-bit code.
12200 * config/pa/pa.c (output_move_double): Handle copies between general
12201 and floating registers.
12203 2006-01-10 Stuart Hastings <stuart@apple.com>
12205 * config/i386/i386.md (set_got): Update.
12206 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12207 (builtin_setjmp_receiver): Mach-O support.
12208 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12209 (GOT_SYMBOL_NAME): Define.
12210 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12211 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12212 * config/i386/i386.c (override_options): Revise for Darwin.
12213 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12214 support. (darwin_x86_file_end): New. (output_set_got): Add label
12215 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12216 * config/i386/i386-protos.h (output_set_got): Likewise.
12217 * config/darwin.c (machopic_legitimize_pic_address): Update
12220 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12222 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12223 when MODE isn't BLKmode.
12225 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12227 PR rtl-optimization/25367
12228 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12230 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12233 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12234 for a negative bound.
12236 2006-01-10 Richard Guenther <rguenther@suse.de>
12238 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12239 Never override with anything constraint.
12241 2006-01-10 Jan Beulich <jbeulich@novell.com>
12243 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12244 256 bits when optimize_size.
12246 2006-01-10 Jan Beulich <jbeulich@novell.com>
12248 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12250 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12251 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12254 2006-01-10 Ben Elliston <bje@au.ibm.com>
12256 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12258 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12259 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12260 (USE_FP_FOR_ARG): Reject decimal float modes.
12261 (function_arg_advance): Likewise.
12262 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12263 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12264 point types in AltiVec vectors.
12265 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12266 (rs6000_libcall_value): Likewise.
12268 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12270 * config/xtensa/ieee754-df.S: New file.
12271 * config/xtensa/ieee754-sf.S: New file.
12272 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12273 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12274 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12276 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12278 * config/sh/predicates.md (binary_float_operator,
12279 binary_logical_operator, commutative_float_operator,
12280 equality_comparison_operator, greater_comparison_operator,
12281 less_comparison_operator, logical_operator,
12282 noncommutative_float_operator, shift_operator,
12283 symbol_ref_operand, unary_float_operator): Remove redundant
12286 2006-01-09 Jeff Law <law@redhat.com>
12288 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12289 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12290 now unused arguments. Callers updated.
12291 (eliminate_redundant_computations): Remove now unused arguments,
12293 (local_fold): Remove, no longer used.
12294 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12296 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12297 (simplify_cond): New function.
12298 (forward_propagate_into_cond): Call simplify_cond.
12300 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12302 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12303 (*vec_extractv2di_1_sse): New.
12305 2006-01-09 Ben Elliston <bje@au.ibm.com>
12307 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12309 2006-01-08 Richard Guenther <rguenther@suse.de>
12311 * tree-ssa-structalias.c (get_constraint_for): Remove
12312 anyoffset argument.
12313 (get_constraint_for_component_ref): Likewise.
12314 (do_deref): Likewise.
12315 (get_constraint_for): Likewise.
12316 (do_structure_copy): Likewise.
12317 (handle_ptr_arith): Likewise.
12318 (find_func_aliases): Likewise. Remove unused need_anyoffset
12321 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12322 Kaz Kojima <kkojima@gcc.gnu.org>
12324 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12325 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12326 (EXTRA_CONSTRAINT_C16): Remove.
12327 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12328 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12329 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12330 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12331 constants of SHmedia. Handle nested constant expressions of
12333 (andcosts): Fix the costs for SHmedia constants.
12334 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12335 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12336 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12337 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12338 (movv4hi_i, movv2si_i): Likewise.
12339 (movsi_const): Adjust the second operand of ior so to match with
12340 the Csu constraint.
12341 (movdi_const, movdi_const_32bit): Likewise.
12342 (movdi_const_16bit+1): Don't sign-extend LOW.
12343 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12345 (*double_shori): Fix the split condition. Use GEN_INT instead
12346 of get_int_mode calls. Mask lower 16-bit of the argument of
12348 (sym2GOTPLT): Remove.
12349 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12351 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12352 instead of EXTRA_CONSTRAINT_C16.
12354 2006-01-07 Ian Lance Taylor <ian@airs.com>
12355 David Edelsohn <edelsohn@gnu.org>
12357 PR rtl-optimization/25662
12358 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12359 for constant operands instead of simplify_gen_binary.
12360 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12361 after trying simplify_binary_operation
12363 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12365 * tree.c (iterative_hash_expr): Hash decls based on UID.
12367 2006-01-06 Eric Christopher <echristo@apple.com>
12369 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12370 (TARGET_UNWIND_EMIT): Fix spelling.
12371 * target.h (gcc_target): Add except_table_label.
12372 * except.c (output_function_exception_table): Use.
12373 * varasm.c (default_emit_except_table_label): New.
12374 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12376 (asm_out): Add here.
12377 * output.h (default_emit_except_table_label): Prototype.
12378 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12379 * config/darwin.c (darwin_emit_except_table_label): Define.
12380 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12382 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12384 PR tree-optimization/18527
12385 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12386 number_of_iterations_special, number_of_iterations_exit):
12387 Move base and step of an iv to a single structure. Add
12388 no_overflow flag, and use it in # of iterations analysis.
12389 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12390 folded_casts argument.
12391 (simple_iv): Pass base and step in a structure. Set no_overflow
12393 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12394 Evaluate expensiveness of computing # of iterations instead of
12395 the final expression.
12396 * tree-scalar-evolution.h (affine_iv): New structure.
12397 (simple_iv): Declaration changed.
12398 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12399 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12400 find_givs_in_stmt): Changed due to simple_iv change.
12402 2006-01-06 Jeff Law <law@redhat.com>
12405 * tree-cfg.c (bsi_replace): Rename final argument from
12406 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12407 change (stmt -> orig_stmt).
12408 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12409 (bsi_remove): Add new argument. Remove EH information
12411 (verify_eh_throw_table_statements): New function.
12412 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12414 * tree-optimize.c (execute_free_cfg_annotations): Verify
12415 the EH throw statement table after removing annotations.
12416 * except.h (verify_eh_throw_table_statements): Prototype.
12417 * tree-flow.h (bsi_remove): Update prototype.
12418 * tree-vrp.c (remove_range_assertions): Add new argument to
12420 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12421 * tree-complex.c (expand_complex_div_wide): Likewise.
12422 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12423 * tree-tailcall.c (eliminate_tailcall): Likewise.
12424 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12425 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12426 * tree-nrv.c (tree_nrv): Likewise.
12427 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12428 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12429 (combine_blocks): Likewise.
12430 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12431 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12432 (cleanup_control_flow): Likewise.
12433 (remove_forwarder_block): Likewise.
12434 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12435 * tree-sra.c (sra_replace): Likewise.
12436 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12437 (forward_propagate_single_use_vars): Likewise.
12438 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12439 * tree-inline.c (expand_call_inline): Likewise.
12440 * tree-vect-transform.c (vect_transform_loop): Likewise.
12441 * tree-outof-ssa.c (rewrite_trees): Likewise.
12442 * tree-cfg.c (make_goto_expr_edges): Likewise.
12443 (cleanup_dead_labels): Likewise.
12444 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12445 (bsi_move_before, bsi_move_after): Likewise.
12446 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12447 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12449 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12452 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12454 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12455 on non gimple variables. Also add checks at the top for decls and
12457 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12459 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12460 and IMAGPART_EXPR for creating MUST_DEFs.
12461 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12462 and NAME_MEMORY_TAG separately from the DECLs.
12464 2006-01-06 Richard Guenther <rguenther@suse.de>
12466 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12467 annotation, if necessary.
12468 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12469 redundant calls to update_stmt.
12470 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12473 2006-01-05 Richard Henderson <rth@redhat.com>
12475 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12477 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12479 * c-typeck.c: Update copyright date.
12481 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12483 * c-typeck.c (build_c_cast): Always warn when casting
12484 from a pointer to an integer of different size, even if
12485 the node was constant.
12487 2006-01-05 Richard Guenther <rguenther@suse.de>
12489 PR tree-optimization/22555
12490 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12491 if one structure field is an array.
12492 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12493 operands even if we found a subvar, but ignore VOPs in this
12495 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12497 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12499 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12501 PR middle-end/24998
12502 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12504 2006-01-05 Richard Guenther <rguenther@suse.de>
12505 Diego Novillo <dnovillo@redhat.com>
12507 * tree-pass.h (TODO_remove_unused_locals): Define.
12508 * gimple-low.c (expand_var_p, remove_useless_vars,
12509 pass_remove_useless_vars): Remove. Update all users.
12510 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12511 (remove_unused_locals): New function.
12512 * tree-flow.h (remove_unused_locals): Declare.
12513 * passes.c (execute_todo): Call remove_unused_locals if
12514 TODO_remove_unused_locals is set.
12515 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12516 * tree-ssa-dce.c (pass_dce): Likewise.
12517 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12519 2006-01-05 Richard Guenther <rguenther@suse.de>
12521 * tree-flow.h (struct fieldoff): Decompose field to
12522 type, size and decl.
12523 * tree-ssa-alias.c (create_sft): Take type as parameter.
12524 (create_overlap_variables_for): Store type, size and decl
12525 in the fieldoff structure.
12526 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12527 of struct fieldoff.
12528 (push_fields_onto_fieldstack): Likewise.
12529 (create_variable_info_for): Likewise. Use offset for the
12530 SFT name if the decl is not available.
12532 2006-01-04 Paul Brook <paul@codesourcery.com>
12534 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12536 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12538 * lambda-code.c (can_put_in_inner_loop): Relax
12540 (can_put_after_inner_loop): New function.
12541 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12542 (perfect_nestify): Change to make copies and modify uses.
12544 2006-01-04 Richard Henderson <rth@redhat.com>
12546 Merge from gomp branch:
12547 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12548 via integer constant.
12549 (pragma_lex): Remove.
12550 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12551 rather than parsing it.
12552 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12553 handle_pragma_extern_prefix): Add %< %> quotes.
12554 (registered_pragmas): New.
12555 (c_register_pragma_1): New.
12556 (c_register_pragma): Use it.
12557 (c_register_pragma_with_expansion): Likewise.
12558 (c_invoke_pragma_handler): New.
12559 (init_pragma): Use cpp_register_deferred_pragma directly for
12561 * c-pragma.h (enum pragma_kind): New.
12562 (pragma_handler): New.
12563 (c_invoke_pragma_handler): Declare.
12564 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12566 * c-common.h (c_common_pch_pragma): Update decl.
12567 * Makefile.in (c-parser.o): Update dependencies.
12568 (GTFILES): Add c-pragma.h.
12569 * c-parser.c (struct c_token): Add pragma_kind.
12570 (struct c_parser): Add in_pragma.
12571 (c_lex_one_token): Always initialize keyword and pragma_kind.
12572 Extract data for CPP_PRAGMA.
12573 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12574 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12575 Don't allow CPP_PRAGMA_EOL if in_pragma.
12576 (c_parser_consume_pragma): New.
12577 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12578 (c_parser_skip_to_end_of_parameter): Likewise.
12579 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12580 (c_parser_skip_to_pragma_eol): New.
12581 (c_parser_external_declaration): Handle CPP_PRAGMA.
12582 (c_parser_compound_statement_nostart): Likewise.
12583 (c_parser_statement_after_labels): Likewise.
12584 (c_parser_pragma): New.
12585 (pragma_lex): Likewise.
12586 (c_parser_pragma_pch_preprocess): New.
12587 (c_parser_new): Merge into ...
12588 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12590 2006-01-04 Jeff Law <law@redhat.com>
12593 * tree-cfg.c (bsi_replace): Remove the original statement
12594 from the EH throw statement table.
12596 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12598 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12599 make the prototype extern "C" and add throw ().
12602 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12603 and pos non-negative and pos + len <= 32.
12604 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12605 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12606 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12609 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12610 as well as sizes not multiple of component size.
12613 * function.c (instantiate_expr): New function.
12614 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12615 walk its DECL_VALUE_EXPR with instantiate_expr.
12617 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12618 DW_OP_deref{,_size} if address isn't going to be added.
12620 2006-01-04 Ben Elliston <bje@au.ibm.com>
12622 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12623 * config/fp-bit.c: Likewise.
12625 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12627 * dominance.c: Add comment about why we use DFS numbering
12630 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12631 Richard Henderson <rth@redhat.com>
12633 Merge from gomp-branch:
12634 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12635 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12637 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12639 PR rtl-optimization/25578
12640 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12641 pass a parameter to simplify_shift_const if changing ASHIFTRT
12644 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12646 * builtins.c (get_builtin_sync_mem): New function.
12647 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12648 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12649 Call get_builtin_sync_mem to generate mem rtx.
12651 2006-01-03 Richard Guenther <rguenther@suse.de>
12654 * stmt.c (add_case_node): Make sure to clear overflow flags
12657 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12659 Merge from gomp-branch.
12660 * config/sparc/sync.md: New file.
12661 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12662 UNSPECV_LDSTUB): New constants.
12663 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12664 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12665 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12668 2006-01-03 Roger Sayle <roger@eyesopen.com>
12670 * combine.c (reg_subword_p): New predicate to test whether the
12671 destination of a set refers to a subword/piece of a register.
12672 (try_combine): Generalize the code to merge the setting of a
12673 pseudo to a constant followed by a set of a subword of that
12674 register to a constant.
12676 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12678 * basic-block.h (control_flow_graph): Change the type of
12679 x_label_to_block_map to VEC(basic_block,gc) *.
12680 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12681 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12683 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12684 VEC(basic_block,heap) *.
12685 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12686 ssa_prop_fini): Adjust the uses of cfg_blocks.
12688 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12690 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12692 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12693 hashing trees instead of a pointer hash.
12694 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12695 compare for MEM_EXPR.
12697 PR rtl-optimization/25130
12698 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12699 when comparing MEMs for GCSE
12701 2006-01-03 Ben Elliston <bje@au.ibm.com>
12703 * targhooks.h (default_decimal_float_supported_p): Declare.
12704 * targhooks.c (default_decimal_float_supported_p): Define.
12705 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12706 `default_decimal_float_supported_p'.
12707 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12709 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12711 * combine.c (apply_distributive_law <SUBREG>): Check
12712 TRULY_NOOP_TRUNCATION.
12714 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12716 * dwarf2out.c (have_switched_text_section): Delete.
12717 (have_multiple_function_sections): New.
12718 (have_location_lists): Make 'bool'.
12719 (add_AT_loc_list): Use 'true' not '1'.
12720 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12721 (output_loc_list): Use have_multiple_function_sections.
12722 (output_ranges): Likewise.
12723 (dwarf2out_begin_function): Set have_multiple_function_sections if
12725 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12726 Check function_section rather than DECL_SECTION_NAME.
12727 (dwarf2out_finish): Use have_multiple_function_sections.
12728 Don't clear have_location_lists.
12730 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12731 Jan Hubicka <jh@suse.cz>
12733 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12734 case of conditional jump jumping to the next instruction.
12735 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12736 cases of conditional jump jumping to the next instruction.
12738 2006-01-02 Jan Hubicka <jh@suse.cz>
12740 * i386.c (*_cost): Add COSTS_N_INSNS.
12741 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12743 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12746 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12748 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12750 * config/arm/arm.c (all_fpus): Fix comment typo.
12751 * config/darwin.c: Likewise.
12752 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12753 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12754 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12756 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12758 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12759 (rs6000_split_compare_and_swapqhi): New.
12760 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12761 (sync_compare_and_swapqhi_internal): New.
12762 * config/rs6000/rs6000-protos.h: Declare.