1 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3 PR rtl-optimization/28121
4 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7 2006-06-21 DJ Delorie <dj@redhat.com>
9 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
11 (mulhisi3_r): Likewise.
13 2006-06-21 Richard Sandiford <richard@codesourcery.com>
16 * coverage.c (coverage_counter_alloc): Leave the index type
18 (coverage_counter_alloc): Use null arguments for operands 2 and 3
21 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
23 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
24 section from the "Options for Code Generation Conventions".
26 2006-06-21 Richard Henderson <rth@redhat.com>
30 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
32 (global_symbolic_operand): Allow weak symbols, even if local_p.
34 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
36 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
37 (find_interesting_uses_address): Punt if above function returns true.
39 2006-06-21 Richard Guenther <rguenther@suse.de>
41 * configure: Regenerated.
43 2006-06-21 Joseph Myers <joseph@codesourcery.com>
45 * config/mips/mips.c (function_arg): Where one part of a
46 complex argument is in registers and the other part in the stack,
47 return a REG not a PARALLEL.
49 2006-06-21 Mark Mitchell <mark@codesourcery.com>
51 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
52 when cross-compiling. Do not substitute libstdcxx_incdir.
53 * configure: Regenerated.
55 2006-06-21 Jakub Jelinek <jakub@redhat.com>
57 * varasm.c (mergeable_string_section): Check for embedded NULs and
58 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
59 rather than TREE_STRING_LENGTH bytes.
61 2006-06-21 Richard Guenther <rguenther@suse.de>
63 * ggc-page.c (extra_order_size_table): Add var_ann_d,
64 tree_ssa_name, bitmap_element and phi_node with 4 arguments
67 2006-06-21 Richrad Guenther <rguenther@suse.de>
69 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
70 Limit iteration over the dominators.
72 2006-06-20 Roger Sayle <roger@eyesopen.com>
74 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
75 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
77 2006-06-20 Richard Guenther <rguenther@suse.de>
78 Michael Matz <matz@suse.de>
80 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
82 * alloc-pool.c (free_alloc_pool_if_empty): New function.
83 * et-forest.h (et_free_pools): Prototype new function.
84 * et-forest.c (et_free_tree_force): Free parent occurrence.
85 (et_free_pools): New function.
86 * dominance.c (free_dominance_info): Free et-forest alloc
89 2006-06-20 Roger Sayle <roger@eyesopen.com>
91 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
92 integer modes, attempt to directly construct an integer constant.
94 * fold-const.c (native_encode_vector): Determine the size of each
95 element from the vector type instead of the first vector element.
97 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
98 if all of its elements/components are constant.
99 (build_constructor_from_list): Likewise.
101 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
103 PR tree-optimization/27331
104 * tree-data-ref.c (free_data_ref): New function.
105 (create_data_ref): Fail if the data reference has unknown access
107 (free_data_refs): Use free_data_ref.
109 2006-06-19 Andrew Pinski <pinskia@gmail.com>
112 * tree-inline.c (setup_one_parameter): Strip useless
113 type conversion before adding it to the IR.
114 (declare_return_variable): Likewise.
116 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
119 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
121 2006-06-19 Mike Stump <mrs@apple.com>
123 * tree.c (variably_modified_type_p): VM arguments don't make the
126 2006-06-19 Richard Guenther <rguenther@suse.de>
128 * tree-ssa-pre.c (try_combine_conversion): Strip useless
129 type conversions after folding.
131 2006-06-19 Richard Guenther <rguenther@suse.de>
133 * ggc-page.c (extra_order_size_tab): Add entries with
134 size of struct function and basic_block.
135 (size_lookup): Extend to cover sizes up to 511.
136 (ggc_alloc_stat): Adjust user.
137 (ggc_pch_count_object): Likewise.
138 (ggc_pch_alloc_object): Likewise.
139 (ggc_pch_write_object): Likewise.
141 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
143 * tree-ssa-loop-niter.c (implies_ge_p): New function.
144 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
147 2006-06-19 Denis Chertykov <denisc@overta.ru>
149 * config/avr/libgcc.S : Correct my wrong previous commit.
151 2006-06-19 Roger Sayle <roger@eyesopen.com>
154 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
155 have stripped a SUBREG from the shift count, so we may need to
156 convert_to_mode back to the type's mode before calling make_tree.
157 Use new_amount instead of amount to avoid expanding a tree twice.
159 2006-06-19 Richard Guenther <rguenther@suse.de>
162 * fold-const.c (operand_equal_p): Check if the argument types
163 have the same precision before stripping NOPs.
165 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
167 Fix PR tree-optimization/27341
168 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
170 * tree-complex.c (pass_lower_complex): Update SMT usage.
172 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
174 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
175 Add a new alternative to the constraint strings. Add move of
176 operand 1 to 3 to the splitter definition.
177 ("doloop_si_long"): Second contraint alternative removed.
179 2006-06-08 Anatoly Sokolov <aesok@post.ru>
181 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
182 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
184 (AVR_HAVE_MOVW) Define.
185 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
186 (ASM_SPEC): Add avr25.
187 (LINK_SPEC): Add avr25.
188 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
189 (base_arch_s): Add new member 'have_movw_lpmx'.
190 (avr_arch_types): Init 'have_movw_lpmx'.
191 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
192 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
193 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
194 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
195 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
197 (avr_file_start): Do not output '.arh' derective.
198 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
199 (__do_copy_data): Use __AVR_HAVE_LPMX__.
200 * config/avr/avr.md (mcu_enhanced): Delete.
201 (mcu_have_movw): Define.
202 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
203 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
204 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
205 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
206 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
207 attiny861 and at86rf401 devices.
209 2006-06-18 Jie Zhang <jie.zhang@analog.com>
211 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
214 2006-06-17 Karl Berry <karl@gnu.org>
216 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
217 doc/gccint.texi, doc/install.texi (@dircategory): Use
218 "Software development" instead of "Programming", following
219 the Free Software Directory.
221 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
223 * config/i386/i386.c (legitimate_tls_address)
224 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
225 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
226 (*tls_dynamic_gnu2_combine_64): Likewise.
228 2006-06-16 Richard Guenther <rguenther@suse.de>
231 * fold-const.c (negate_expr_p): Do not introduce undefined
232 overflow in negating INTEGER_CSTs.
233 (fold_negate_expr): Rename from negate_expr. Revert last
234 change for folding BIT_NOT_EXPR. Change semantics to
235 return NULL_TREE for non-simplified negations. Do not
236 strip type conversions and unify type handling.
237 (negate_expr): New function, wrap around fold_negate_expr
238 but ensure building a tree always. Strip type conversions
239 here, fold to result type.
240 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
242 2006-06-16 Roger Sayle <roger@eyesopen.com>
245 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
246 that (would) return their results in stack registers.
248 2006-06-16 Michael Matz <matz@suse.de>
249 Richard Guenther <rguenther@suse.de>
251 * fold-const.c (fold_truthop): Only return new tree node if
252 we canonicalized something.
254 2006-06-16 Richard Guenther <rguenther@suse.de>
256 * function.h (enum function_frequency): Move declaration
257 out of struct function.
258 (struct function): Move bool fields and the enum to the bitfield
259 section. Reorder elements to avoid padding. Remove unused
260 fields left over from the RTL inliner removal.
261 * function.c (free_after_compilation): Do not zero removed fields.
262 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
263 (ipa-type-escape.o): Likewise.
265 2006-06-16 Richard Guenther <rguenther@suse.de>
267 * cgraph.h (struct cgraph_local_info): Turn bool elements
269 (struct cgraph_node): Likewise.
270 (struct cgraph_varpool_node): Likewise.
272 2006-06-15 Richard Guenther <rguenther@suse.de>
274 * fold-const.c (fold_truth_not_expr): Rename from
275 invert_truthvalue. Give it fold_* semantics to avoid
277 (invert_truthvalue): New function. Wrapper around
279 (optimize_minmax_comparison): Avoid creating garbage.
280 (fold_unary): Use fold_truth_not_expr for folding
282 (fold_ternary): Replace uses of invert_truthvalue with
283 fold_truth_not_expr where applicable.
284 * tree.h (fold_truth_not_expr): Prototype.
286 2006-06-16 Richard Guenther <rguenther@suse.de>
288 PR tree-optimization/27781
289 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
290 * ipa-pure-const.c (target.h): Include.
291 (analyze_function): Do not analyze functions that do not
294 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
297 * tree-dfa.c (referenced_vars_dup_list): Remove.
298 (find_referenced_vars): Remove assert.
299 (referenced_var_check_and_insert): Replace dup list with assert.
300 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
301 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
303 2006-06-15 Richard Guenther <rguenther@suse.de>
305 * tree-ssa-structalias.c (alias_get_name): Avoid creating
306 extra unused identifiers if not dumping.
307 (create_variable_info_for): Likewise.
309 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
311 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
312 (derive_constant_upper_bound): Derive more precise upper bound in
313 common cases. Return type changed to double_int.
314 (record_estimate): Reflect the changed return type of
315 derive_constant_upper_bound.
316 * double-int.c (double_int_zext, double_int_sext): Fix.
318 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
320 * configure.ac (CFLAGS): Get them from the toplevel or from the
321 configure invocation.
322 * configure: Regenerate.
323 * Makefile.in (CFLAGS): Substitute value provided by configure.
325 2006-06-14 Mark Mitchell <mark@codesourcery.com>
328 * c-common.h (c_finish_omp_atomic): Adjust declaration.
329 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
330 rather than calling add_stmt on it.
331 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
333 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
336 * reload1.c (reload): Remove registers returned by update_eliminables
337 from used_spill_regs.
339 2006-06-13 DJ Delorie <dj@redhat.com>
341 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
343 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
345 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
346 html__strip_dir, html__mkdir_p. Enhance install-html target.
347 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
348 * configure: Regenerate.
350 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
352 * fold-const.c (fold_cond_expr_with_comparison): Check for
353 Objective-C++ as language in deciding COND_EXPR transformation.
355 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
358 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
359 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
360 * config/sh/lib1funcs.h (SL, SL1): Define.
361 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
362 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
363 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
364 (OBJS_Os_4_200): New variable.
365 ($(T)libgcc-Os-4-200.a): Use it.
366 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
367 when dividing 1 and/or by 0.
369 2006-06-13 Roger Sayle <roger@eyesopen.com>
371 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
372 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
373 * configure: Regenerate.
375 2006-06-13 Jie Zhang <jie.zhang@analog.com>
377 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
378 for real instruction.
380 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
383 * haifa-sched.c (check_cfg): Handle special case.
385 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
388 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
389 Add debug_info parameter. Chain the vars to the BLOCK instead
390 of the BIND_EXPR if debug info are requested for them.
391 (pop_gimplify_context): Adjust for above change.
392 (gimple_add_tmp_var): Likewise.
393 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
395 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
396 (convert_local_reference): Likewise.
397 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
398 (finalize_nesting_tree_1): Request that debug info be emitted
401 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
403 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
406 2006-06-13 Richard Guenther <rguenther@suse.de>
409 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
411 2006-06-13 Richard Guenther <rguenther@suse.de>
413 PR tree-optimization/27830
414 * tree-inline.c (copy_body_r): For copying the operand
415 of an ADDR_EXPR make sure to fold &* afterwards.
417 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
419 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
420 lvalues in the fb_none case with side-effects.
422 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
424 * tree-flow.h: Remove the prototype for
425 compute_phi_arg_on_exit.
426 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
427 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
430 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
432 * builtins.c (expand_builtin_return_addr): Only use
433 frame_pointer_rtx when count == 0 and we are expanding
434 __builtin_return_address.
436 2006-06-12 Fred Fish <fnf@specifix.com>
438 * config/mips/mips.c (mips_file_start): Create special section
439 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
441 2006-06-11 Eric Christopher <echristo@apple.com>
444 * stor-layout.c (place_field): Remove check for
445 remaining_in_alignment when aligning at the end of a run.
447 2006-06-11 Eric Christopher <echristo@apple.com>
450 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
453 2006-06-11 Roger Sayle <roger@eyesopen.com>
456 Revert incorrect fix for PR target/27158
457 2006-05-08 Roger Sayle <roger@eyesopen.com>
458 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
459 of a reg_equiv_constant if the result is a legitimate constant.
461 2006-06-11 Roger Sayle <roger@eyesopen.com>
464 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
465 extract a CONST_VECTOR element and interpret it as an integer.
466 (vspltis_constant): Use const_vector_elt_as_int instead of the
467 macro CONST_VECTOR_ELT in order to handle FP vector modes.
468 * config/rs6000/predicates.md (easy_vector_const): Consider
469 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
471 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
474 * stor-layout.c (update_alignment_for_field): Don't add extra
475 alignment for packed non-bitfield fields in ms_bitfield_layout_p
478 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
480 * config/mips/t-rtems: Add EL/EB multilib variants.
482 2006-06-09 Mike Stump <mrs@apple.com>
484 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
486 2006-06-09 David Daney <ddaney@avtrex.com>
488 * doc/install.texi: Add binutils version recommendation for mips-*-*.
490 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
492 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
494 2006-06-09 Richard Guenther <rguenther@suse.de>
496 PR tree-optimization/26998
497 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
498 of signed types, only TYPE_MIN_VALUE is special, but for both,
499 minimum and maximum value. Likewise VR_ANTI_RANGE is special
500 in this case, as is -fwrapv.
502 2006-06-08 Mike Stump <mrs@apple.com>
505 * config/darwin.c (darwin_asm_output_anchor): Disable
506 -fsection-anchors on darwin for now.
507 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
508 * rs6000/rs6000.c (optimization_options): Likewise.
510 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
513 * config/i386/i386.c (classify_argument): Skip fields with invalid
516 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
518 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
519 (cse_insn): Likewise for the stack_pointer_rtx.
521 2006-06-08 Roger Sayle <roger@eyesopen.com>
523 * tree-ssa-dom.c (record_conditions): Only record "unordered"
524 conditions from floating point comparisons.
526 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
529 * expmed.c (struct alg_hash_entry): Fix type of field T
530 to match synth_mult argument.
531 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
533 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
536 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
539 2006-06-08 Richard Guenther <rguenther@suse.de>
542 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
543 only, if overflow is defined and not trapping.
544 (negate_expr): Likewise.
546 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
548 PR tree-optimization/27872
549 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
550 flag on the new exit edge of the unrolled loop.
552 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
554 PR rtl-optimization/26449
555 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
557 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
560 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
561 referenced_variables with matching DECL_UID's.
562 (find_referenced_vars): Make sure duplicate list is empty to start.
563 (referenced_var_p): Remove.
564 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
565 Check if var is in the list, and add if needed. Update the duplicate
566 list if a different var is in the list with the same DECL_UID.
567 (add_referenced_var): Call routine to check and insert.
568 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
569 * tree-flow.h (referenced_vars_dup_list): External declaration.
571 2006-06-07 Fred Fish <fnf@specifix.com>
573 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
576 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
579 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
580 the imaginary and real parts of a clobbered register.
581 Emit insn to set the imaginary part.
583 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
585 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
586 in lieu of unwind-dw2-fde.c.
588 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
590 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
592 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
595 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
596 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
597 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
598 V4SImode temporaries and operations instead.
600 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
602 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
605 2006-06-06 Mike Stump <mrs@apple.com>
607 * Makefile.in: Rename to htmldir to build_htmldir to avoid
608 installing during build.
610 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
612 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
614 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
615 * config/ia64/ia64.c (params.h): New header.
616 (ia64_optimization_options): New function to adjust parameters.
617 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
618 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
619 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
621 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
623 * stor-layout.c (debug_rli): Fix a typo in a debug message.
625 2006-06-05 Steve Ellcey <sje@cup.hp.com>
628 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
630 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
631 Victor Kaplansky <victork@il.ibm.com>
633 PR tree-optimization/26360
634 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
637 2006-06-04 Roger Sayle <roger@eyesopen.com>
638 Andrew Pinski <pinskia@physics.uc.edu>
641 * c-common.c (c_common_truthvalue_conversion): Explicitly check
642 for LABEL_DECL before calling DECL_WEAK.
645 * c-typeck.c (build_binary_op): Likewise, explicitly check for
646 LABEL_DECL and PARM_DECL.
648 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
652 * c-decl.c (grokdeclarator): Disallow variably modified types at
653 file scope. Avoid marking shared array type of constant size as
656 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
659 * c-common.c (fold_offsetof_1): Handle static members.
661 2006-06-04 Eric Christopher <echristo@apple.com>
663 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
664 (debug_rli): Output value for remaining_in_alignment.
665 (update_alignment_for_field): Unconditionalize
666 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
667 extra alignment code.
668 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
669 ms_bitfield_layout_p code. Rewrite handling of structure fields.
670 * tree.h (record_layout_info_s): Remove prev_packed.
671 * doc/extend.texi (ms_struct): Add documentation of format.
673 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
675 * tree.h: Declare folding_initializer.
676 * builtins.c (fold_builtin_constant_p): Give definite answer
677 if folding inside an initializer.
678 * fold-const.c: Define folding_initializer.
679 (START_FOLD_INIT): Save and then set folding_initializer.
680 (END_FOLD_INIT): Restore folding_initializer.
682 2006-06-04 Richard Guenther <rguenther@suse.de>
684 PR tree-optimization/27039
685 * fold-const.c (fold_comparison): Handle pointer comparison
686 again for all comparison codes. Compare offsets in signed
688 (fold_binary): Move code from here.
690 2006-06-03 Roger Sayle <roger@eyesopen.com>
693 * config/i386/i386.c (construct_container): Split static issued_error
694 flag into issued_sse_arg_error, issued_sse_ret_error and
695 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
696 requires the use of x87 registers and the user explicitly
697 specified the -mno-80387 command line option.
699 2006-06-02 Geoffrey Keating <geoffk@apple.com>
701 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
702 HAVE_DECL_SIGALTSTACK.
704 (segv_handler): Use MC_FLD.
705 * configure.ac: Check for a sigaltstack declaration.
706 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
707 * configure: Regenerate.
708 * config.in: Regenerate.
710 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
713 * Makefile.in (stmp-fixinc): Fix typo.
715 2006-06-02 Roger Sayle <roger@eyesopen.com>
717 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
718 are type correct. Clean-up.
719 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
720 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
722 2006-06-01 DJ Delorie <dj@redhat.com>
724 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
725 shift, as we've disabled the "switch" insn that needs it.
727 2006-06-01 Per Bothner <bothner@bothner.com>
729 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
730 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
731 * c-ppoutput.c (cb_define): Don't increment line 0.
733 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
735 * doc/invoke.texi: Add cpu_type power6.
736 * config.gcc: Add cpu_type power6.
737 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
738 to power5+ with Altivec.
739 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
740 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
742 2006-05-30 Anatoly Sokolov <aesok@post.ru>
744 * config/avr/avr.h (SET_ASM_OP): Define.
746 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
748 * config/bfin/bfin.c: Fix comment typos.
750 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
753 * doc/install.texi: Document --enable-bootstrap and
756 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
758 * doc/install.texi: Document that InfoZIP can replace jar.
760 2006-05-31 Roger Sayle <roger@eyesopen.com>
762 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
763 isn't available, directly generate the simpler x87 patterns without
764 the (use (const_int 0)).
765 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
766 implementation isn't available.
767 (*negdf2_1): Likewise.
768 (*negxf2_1): XF mode negation is always done using the x87.
769 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
771 2006-05-31 Roger Sayle <roger@eyesopen.com>
773 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
774 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
776 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
778 2006-05-31 Jie Zhang <jie.zhang@analog.com>
780 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
781 * config/bfin/bfin.c (basic-block.h): Include.
782 (struct machine_function): New.
783 (bfin_init_machine_status): New.
784 (override_options): Initialize init_machine_status.
785 (bfin_hardware_loop): New.
786 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
787 (DEF_VEC_P (loop_info)): New.
788 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
789 (struct loop_info): New.
790 (loop_info): New typedef.
791 (struct loop_work): New.
792 (loop_work): New typedef.
793 (DEF_VEC_O (loop_work)): New.
794 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
795 (bfin_dump_loops): New.
796 (bfin_bb_in_loop): New.
797 (bfin_scan_loop): New.
798 (bfin_optimize_loop): New.
799 (bfin_reorg_loops): New.
800 (bfin_reorg): Use bfin_reorg_loops.
801 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
803 (I_REGNO_P): Simplify.
804 (DP_REGNO_P, DPREG_P): New macros.
805 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
806 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
807 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
808 Add LT_REGS, LC_REGS, LB_REGS.
809 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
811 (REGNO_REG_CLASS): Deal with loop registers.
812 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
814 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
815 New constants for loop registers.
816 (UNSPEC_LSETUP_END): New.
817 (seq_insns): New define_attr. Set it for appropriate insns.
818 (movsi_insn): Add alternatives for move from/to
819 loop count registers.
820 (doloop_end): New define_expand.
821 (loop_end): New define_insn.
822 (define_split for bad doloop_end): New.
823 (lsetup_with_autoinit): New define_insn.
824 (lsetup_without_autoinit): New define_insn.
825 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
826 * config/bfin/predicates.md (lc_register_operand): New.
827 (lt_register_operand): New.
828 (lb_register_operand): New.
829 (nondp_register_operand): New.
830 (nondp_reg_or_memory_operand): New.
831 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
833 2006-05-31 Jie Zhang <jie.zhang@analog.com>
835 * config/bfin/bfin.c (bfin_delegitimize_address): New.
836 (TARGET_DELEGITIMIZE_ADDRESS): Define.
838 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
840 * Makefile.in (CATALOGS): Add po/ prefix.
841 * configure: Regenerated.
843 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
846 * arm.c (arm_print_operand case 'S'): Validate that the operand is
847 a shift operand before calling shift_op. Avoid redundant call of
850 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
851 DJ Delorie <dj@redhat.com>
853 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
854 we're inserting is a singlt-bit constant.
856 2006-05-30 Roger Sayle <roger@eyesopen.com>
858 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
859 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
861 2006-05-30 Roger Sayle <roger@eyesopen.com>
863 PR tree-optimization/23452
864 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
865 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
866 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
867 complex values and with -ffast-math for FP complex values.
869 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
871 * c-common.h: Remove the prototype for yyparse.
872 * rtl.h: Remove the prototype for init_loop.
874 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
876 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
879 2006-05-30 Roger Sayle <roger@eyesopen.com>
881 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
883 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
884 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
886 2006-05-30 Dirk Mueller <dmueller@suse.de>
889 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
890 for CONSTANT_CLASS_P expresisons.
892 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
895 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
897 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
899 PR tree-optimization/27779
900 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
901 initial_condition instead of CHREC_LEFT.
903 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
905 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
906 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
907 Make prototypes ISO C90.
909 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
910 Leehod Baruch <leehod.baruch@weizmann.ac.il>
912 * see.c (see_analyze_one_def): Correct check.
913 (see_get_extension_data): Check if extension is parallel.
914 (see_get_extension_reg): Likewise.
916 2006-05-30 Uros Bizjak <uros@kss-loka.si>
919 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
920 into register for (code == GTU).
922 2006-05-29 Roger Sayle <roger@eyesopen.com>
924 PR tree-optimization/24964
925 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
926 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
927 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
928 abs(x)*abs(x) as x*x for scalar floating point modes.
930 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
933 * lambda-code.c (perfect_nestify): Don't copy statements
934 in the inner loop: move them to the inner loop header.
936 2006-05-29 Diego Novillo <dnovillo@redhat.com>
939 * c-tree.texi: Document OpenMP directives and clauses.
941 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
943 * varasm.c (globalize_decl): Fix indentation.
945 2006-05-29 Diego Novillo <dnovillo@redhat.com>
948 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
949 pass_fre, pass_store_ccp, pass_copy_prop,
950 pass_store_copy_prop, pass_merge_phi, pass_nrv,
951 pass_return_slot, pass_object_size, pass_lim,
952 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
953 pass_loop_prefetch and pass_stdarg.
955 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
957 * config/bfin/bfin.opt (mfdpic): New option.
958 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
959 (EXTRA_MULTILIB_PARTS): Likewise.
960 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
961 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
963 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
964 (CRT_CALL_STATIC_FUNCTION): New.
965 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
967 (CRT_CALL_STATIC_FUNCTION): New.
968 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
970 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
971 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
972 (initialize_trampoline): Changed to handle FD-PIC code generation.
973 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
974 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
975 (override_options): Disallow -mid-shared-library -mfdpic combination.
976 Can't do unaligned ops if FD-PIC.
977 Turn off flag_pic if trying to generate non-id-shared-library
978 non-fdpic code, since it's not supported.
979 (bfin_assemble_integer): New function.
980 (TARGET_ASM_INTEGER): Define.
981 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
983 * config/bfin/crtn.s: Restore them.
984 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
986 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
987 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
988 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
989 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
990 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
992 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
993 FDPIC_REGS and FDPIC_FPTR_REGS.
994 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
995 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
996 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
997 (load_funcdescsi): New pattern.
998 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
999 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1000 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1002 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1004 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1007 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1009 * tree-flow.h: Remove the prototype for add_type_alias.
1010 * tree-ssa-alias.c (add_type_alias): Remove.
1012 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1014 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1015 config/fr30/fr30.md, config/i386/i386-interix.h,
1016 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1017 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1018 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1019 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1020 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1021 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1022 Follow spelling conventions.
1023 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1024 Follow spelling conventions.
1026 2006-05-27 Richard Guenther <rguenther@suse.de>
1029 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1030 to produce a constant of value 1 of generic type.
1032 2006-05-27 Dirk Mueller <dmueller@suse.de>
1034 * cgraphunit.c (decide_is_function_needed): Fix wrong
1037 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1039 PR rtl-optimization/27661
1040 * reload.c (find_reloads): When reloading a VOIDmode constant
1041 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1042 use Pmode as mode of the reload register.
1044 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1046 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1047 is enabled at -O and above.
1049 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1052 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1055 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1058 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1059 for anonymous variables explicitly declared by front ends.
1061 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1063 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1064 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1065 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1066 ref-all pointers, run a finalization pass for them.
1067 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1068 (finalize_ref_all_pointers): New function.
1069 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1070 regular pointer type to a ref-all pointer type.
1071 (get_tmt_for): Return the special memory tag for ref-all pointers.
1073 2006-05-25 Richard Guenther <rguenther@suse.de>
1076 * fold-const.c (fold_binary): Do not look at the stripped
1077 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1079 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1081 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1082 for LT and GT if the computed range is effectively empty.
1084 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1087 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1088 mips_quad_format formats instead of ieee_single_format,
1089 ieee_double_format and ieee_quad_format formats, respectively.
1091 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1093 PR tree-optimization/27639
1094 PR tree-optimization/26719
1095 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1096 call to scev_probably_wraps_p.
1097 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1098 used_in_pointer_arithmetic_p, convert_step): Removed.
1099 (nowrap_type_p): New function.
1100 (scev_probably_wraps_p): Rewritten.
1101 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1102 chrec_convert if chrec_convert_aggressive might have been used.
1103 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1104 scev_direction): New functions.
1105 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1106 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1107 instead of convert_step.
1108 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1109 (convert_step): Declaration removed.
1110 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1112 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1114 * df-core.c: Added to header comments.
1115 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1116 df_ur_bb_info, df_urec_bb_info): Added comments.
1117 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1118 urec, ri problems): Fixed header comments.
1119 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1120 code from df_rd_transfer_function.
1122 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1124 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1125 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1126 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1128 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1130 * expr.c (undefined_operand_subword_p): New.
1131 (emit_move_multi_word): Do not generate move from undefined bits
1132 of a paradoxical subreg.
1134 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1136 PR rtl-optimization/27736
1137 * combine.c (replaced_rhs_value): New variable.
1138 (combine_instructions): Set it.
1139 (distribute_notes): When distributing a note in replaced_rhs_insn,
1140 check whether the value was used in replaced_rhs_value.
1142 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1145 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1146 add_referenced_var instead of add_referenced_tmp_var.
1147 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1148 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1150 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1151 tree_optimize_tail_calls_1): Use add_referenced_var.
1152 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1153 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1154 Use add_referenced_var.
1155 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1156 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1157 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1158 Use add_referenced_var.
1159 * tree-dfa.c (struct walk_state): Remove.
1160 (find_referenced_vars): Remove walk state and vars_found hash table.
1161 (make_rename_temp): Use add_referenced_var.
1162 (find_vars_r): Pass less parameters to add_referenced_var.
1163 (referenced_var_p): New. Is var in referenced_var hash table.
1164 (referenced_var_insert): Assert var isn't already in hash table.
1165 (add_referenced_var): Don't need walk_state parameter. Add var if it
1166 isn't already in the hash table.
1167 (add_referenced_tmp_var): Remove.
1168 (find_new_referenced_vars_1): Use add_referenced_var.
1169 * tree-ssa-pre.c (create_expression_by_pieces,
1170 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1171 Use add_referenced_var.
1172 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1173 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1174 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1176 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1177 vect_create_data_ref_ptr, vect_create_destination_var,
1178 vect_init_vector, vect_build_loop_niters,
1179 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1180 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1181 Use add_referenced_var.
1182 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1183 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1184 (add_referenced_var): Add prototype.
1185 * tree-ssa-structalias.c (get_constraint_for,
1186 intra_create_variable_infos): Use add_referenced_var.
1188 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1190 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1191 big-endian paradoxical subregs.
1192 * var-tracking.c (struct micro_operation_def): Document that,
1193 for modify micro operations, insn is the subsequent instruction.
1194 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1195 (var_reg_set, var_mem_set): ... new functions.
1196 (add_stores): Record subsequent insn.
1197 (compute_bb_dataflow): Use new functions for MO_USE.
1198 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1199 notes after the insn, and modify notes before the insn known
1200 to be the subsequent one.
1201 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1203 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1206 * config/i386/i386.c (ix86_expand_builtin): Use
1207 gen_sse3_monitor64 for TARGET_64BIT.
1209 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1211 PR rtl-optimization/26375
1212 PR rtl-optimization/26855
1213 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1215 (df_ru_bb_local_compute): Reversed statements and removed bogus
1216 comment explaining why they should be in wrong order.
1217 (df_ru_dump, df_rd_dump): Enhanced debug info.
1218 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1220 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1221 reaching uses and fixed space problem.
1223 2006-05-23 Jan Hubicka <jh@suse.cz>
1225 * cgraphunit.c (decide_is_function_needed): Also nested functions
1226 and functions declared inline can be optimized out at -O0.
1228 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1230 * doc/install.texi (Configuration): Remove reference to CrossGCC
1231 FAQ which was hijacked.
1234 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1237 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1238 ix86_compare_emitted is non-NULL.
1240 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1243 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1246 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1248 PR rtl-optimization/25514
1249 * combine.c (replaced_rhs_insn): New variable.
1250 (combine_instructions): Set replaced_rhs_insn when trying to replace
1251 a SET_SRC with a REG_EQUAL note.
1252 (distribute_notes): Use replaced_rhs_insn when determining the live
1253 range of a REG_DEAD register.
1255 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1256 Anatoly Sokolov <aesok@post.ru>
1258 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1259 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1260 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1261 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1262 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1263 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1264 at90usb647, at90usb1286 and at90usb1287 devices.
1265 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1266 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1268 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1270 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1272 2006-05-22 Richard Guenther <rguenther@suse.de>
1275 2006-01-31 Richard Guenther <rguenther@suse.de>
1276 Paolo Bonzini <bonzini@gnu.org>
1278 * doc/install.texi (--disable-libgcc-math): Document.
1280 2006-05-22 Richard Guenther <rguenther@suse.de>
1283 2006-01-31 Richard Guenther <rguenther@suse.de>
1285 * doc/invoke.texi (-msselibm): Document.
1286 * target.h (expand_library_builtin): New target hook.
1287 * builtins.c (expand_builtin): Use expand_library_builtin.
1288 (default_expand_library_builtin): New function.
1289 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1290 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1291 (link_gcc_math_spec): Declare.
1292 (static_specs): Add link_gcc_math_spec.
1293 * expr.h (default_expand_library_builtin): Declare.
1294 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1295 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1296 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1297 * config/i386/i386.opt (msselibm): New target option.
1298 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1299 (ix86_init_sse_abi_builtins): New function.
1300 (ix86_expand_library_builtin): Likewise.
1301 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1302 (override_options): Handle error conditions wrt -msselibm.
1303 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1304 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1305 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1308 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1311 * c-common.c (self_promoting_args_p): Skip erroneous args.
1314 * c-decl.c (finish_struct): Skip erroneous fields.
1316 2006-05-22 Nick Clifton <nickc@redhat.com>
1318 * config/cris/cris.opt (march): Remove VarExists attribute.
1319 (max-stackframe=): Likewise.
1321 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1323 * doc/rtl.texi: Fix a typo.
1324 * see.c: Fix comment typos.
1326 * tree-ssa-structalias.h (alias_info): Remove num_references.
1328 2006-05-21 Mike Stump <mrs@apple.com>
1330 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1332 (darwin_pragma_options): Use BAD instead.
1333 (darwin_pragma_unused): Likewise.
1334 (darwin_pragma_ms_struct): Likewise.
1336 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1338 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1340 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1342 PR rtl-optimization/27671
1343 * simplify-rtx.c (simplify_relational_operation_1): Fix
1344 simplifications of (eq/ne (xor x y) y) and
1345 (eq/ne (xor x y) x).
1347 PR tree-optimization/26622.
1348 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1351 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1353 * tree-cfg.c: Prune whitespace.
1354 (debug_tree_cfg): Point to correct header containing the
1357 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1360 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1362 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1365 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1366 or sorry count is non zero.
1368 2006-05-20 Andreas Schwab <schwab@suse.de>
1370 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1372 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1373 Kenneth Zadeck <zadeck@naturalbridge.com>
1375 PR rtl-optimization/26855
1377 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1379 (df_scan_alloc): Added code to properly handle multiword hard
1380 registers and add all_blocks parameter.
1381 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1382 code to properly handle multiword hard registers.
1383 (df_rescan_blocks): Added code to remove deleted blocks from
1385 (df_ref_create_structure, df_ref_record): Added code to properly
1387 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1388 and set DF_REF_PARTIAL.
1389 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1390 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1391 (df_scan_add_problem): Added flags parameter.
1392 (df_ref_create_structure): Changed switching structure.
1393 (df_bb_refs_record): Fixed case where duplicate artificial refs
1394 were created. Changed location of flags.
1395 (df_record_entry_block_defs): Added code to make stack pointer
1396 live in entry block. Refined cases where frame pointer is needed.
1397 Changed location of flags.
1398 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1399 (df_set_state): Removed function.
1400 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1401 df_insn_create_insn_record, df_insn_refs_delete,
1402 df_ref_create_structure): Formatting changes.
1403 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1404 df_delete_basic_block): New function.
1405 (df_init): Changed location of flags.
1406 (df_add_problem): Added flags parameter and the way flags are
1408 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1409 debug_df_chain): Improved debugging output.
1410 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1411 (df_refs_chain_dump): Removed df parameter.
1412 (df_iterative_dataflow): Added consistency check.
1413 (df_prune_to_subcfg): Made public.
1414 (df_analyze_problem): Added blocks_to_init parameter and made
1416 (df_ref_record, df_bb_refs_record, df_mark_reg,
1417 df_record_exit_block_uses): Whitespace changes.
1418 (df_dump): Whitespace changes.
1419 * df.h: Some reordering to remove forward references.
1420 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1421 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1422 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1423 (dataflow.flags): New field.
1424 (df.flag): Deleted field.
1425 (df_alloc_function): Added additional bitmap parameter.
1426 (df_dependent_problem_function): New type.
1427 (df_problem.changeable_flags): New field.
1428 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1429 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1430 (df_mw_hardreg): New struct.
1431 (DF_INSN_UID_MWS): New macro.
1432 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1434 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1435 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1436 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1437 (df_set_state): Removed function.
1438 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1439 * df-problems.c (df_chain_dump): Removed df parameter.
1440 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1441 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1443 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1444 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1445 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1446 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1447 DF_REF_MUST_CLOBBER cases.
1448 (df_ru_bb_local_compute_process_def,
1449 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1450 df_lr_bb_local_compute, df_ur_bb_local_compute,
1451 df_chain_create_bb): Made subreg aware.
1452 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1453 df_lr_bb_local_compute, df_lr_bb_local_compute,
1454 df_chain_create_bb): Cleanup to use proper macros.
1455 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1456 code to fixup bitvectors.
1457 (df_ri_alloc): Cleared lifetime.
1458 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1459 df_create_unused_note): New function.
1460 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1461 REG_DEAD and REG_UNUSED notes as well as register information.
1462 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1463 df_chains_dump): Fixed crash if problem was never run.
1464 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1465 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1466 df_ri_add_problem): Processes flags in uniform manner.
1467 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1468 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1469 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1470 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1471 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1472 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1473 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1474 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1475 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1476 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1477 * see.c (see_initialize_data): Ditto.
1478 * final.c (rest_of_clean_state) Added regstack_completed.
1479 * rtl.h (regstack_completed): Ditto.
1480 * reg-stack.c (regstack_completed): Ditto.
1482 2006-05-19 Mike Stump <mrs@apple.com>
1484 * c-tree.h (default_conversion): Remove.
1485 * c-common.h (default_conversion): Add.
1487 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1489 * tree-vrp.c (valid_value_p): New function.
1490 (adjust_range_with_scev): Fail if the value of bound is not
1493 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1495 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1496 (mips_fallback_frame_state): Use syscall numbers to determine
1497 the appropriate li instruction for the current ABI. Only use
1498 __NR_sigreturn for o32.
1500 2006-05-19 Nicolas Setton <setton@adacore.com>
1502 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1503 * langhooks.c (lhd_dwarf_name): New function.
1504 * langhooks-def.h (lhd_dwarf_name): Declare.
1505 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1506 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1507 * ada/misc.c (gnat_dwarf_name): New function.
1508 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1510 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1512 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1514 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1515 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1516 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1517 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1518 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1519 determine the size of Wtype, etc.
1520 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1521 (swfloatfuncs): New variable.
1522 (dwfloatfuncs): Likewise.
1523 (lib2funcs): Remove floating-point conversion functions from
1524 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1525 the set of conversion routines needed. Allow entries to specify
1526 an object name, filename and word size. Update users accordingly.
1527 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1528 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1532 2006-02-08 Roger Sayle <roger@eyesopen.com>
1535 * config/fixtfdi.c: New libgcc source file.
1536 * config/fixunstfdi.c: New source file.
1537 * config/floatditf.c: New source file.
1538 * config/floatunditf.c: New souce file.
1539 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1540 files above instead of config/mips/_tilib.c.
1541 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1543 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1545 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1546 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1548 2006-05-18 Mike Stump <mrs@apple.com>
1550 Fix up vla, vm and [*] sematics.
1556 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1557 (c_vla_unspec_p): Add.
1558 (c_vla_type_p): Add.
1559 * c-decl.c (struct c_scope): Add had_vla_unspec.
1560 (build_array_declarator): Add support for [*].
1561 (grokdeclarator): Likewise.
1562 (grokparms): Likewise.
1563 (get_parm_info): Likewise.
1564 * c-objc-common.c (c_vla_unspec_p): Likewise.
1565 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1566 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1567 typeof when argument is a variably modified type not inside sizeof or alignof.
1568 (c_parser_direct_declarator_inner): Propagate errors.
1569 (c_parser_sizeof_expression): Add support for [*].
1570 (c_parser_parms_declarator): Initialize had_vla_unspec.
1571 (c_parser_parms_list_declarator): Likewise.
1572 * c-typeck.c (c_vla_type_p): Add.
1573 (composite_type): Add support for vla compositing.
1574 (comptypes_internal): Add support for vla compatibility.
1575 (c_expr_sizeof_expr): Evaluate vla arguments.
1576 * tree.c (variably_modified_type_p): Update comment for [*].
1578 2006-05-18 Michael Matz <matz@suse.de>
1581 * config.host: Make assignments to host_xmake_file cumulative.
1582 * config.host (*-darwin*): Test $host, not $target.
1584 2006-05-12 Stuart Hastings <stuart@apple.com>
1586 * config/i386/i386.opt (-mstackrealign): New flag.
1587 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1588 (ix86_handle_cconv_attribute): Emit error when
1589 force_align_arg_pointer attribute collides with too many regparms.
1590 (ix86_function_regparm): Limit regparms when used with
1591 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1592 Support stack-realigning prologue in non-main functions. Emit
1593 warning for nested functions under -mstackrealign, emit error for
1594 nested functions with force_align_arg_pointer attribute.
1595 * doc/extend.texi (force_align_arg_pointer): Document it.
1596 * doc/invoke.texi (-mstackrealign): Document it.
1598 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1600 PR rtl-optimization/27477
1601 * combine.c (try_combine): Don't split a parallel consisting
1602 of two sets into two individual sets if both sets reference
1605 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1607 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1608 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1610 * doc/options.texi (VarExists): Updated.
1612 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1614 * unwind-dw2.c: Add declarations for uw_update_context and
1616 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1617 detected, advance frame state and context once to skip over stub.
1619 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1623 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1624 Call rewrite_into_loop_closed_ssa only when something changed.
1625 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1626 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1627 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1628 Test for perfect_nest_p here. Fix formating.
1629 (replace_uses_equiv_to_x_with_y): Fix formating.
1630 (stmt_uses_op): Removed.
1631 (can_convert_to_perfect_nest): Removed loopivs parameter.
1632 Complete the test by checking the scalar dependences.
1633 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1636 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1639 From Dan Kegel <dank@kegel.com>:
1640 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1642 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1644 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1645 if the element type is variably modified without recursing.
1647 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1650 * tree-loop-linear.c (try_interchange_loops): Test for
1651 no data dependences.
1653 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1655 PR tree-optimization/27548
1656 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1657 range of ssa names that appear on abnormal edges.
1658 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1659 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1661 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1664 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1666 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1669 * tree.h (OMP_PARALLEL_COMBINED): Define.
1670 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1671 (new_omp_context): Add is_combined_parallel argument.
1672 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1673 new_omp_context caller.
1674 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1675 Adjust gimplify_scan_omp_clauses callers.
1676 (omp_is_private): Issue errors if iteration variable is firstprivate
1677 or reduction in the current context.
1678 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1679 on combined parallel workshare constructs.
1681 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1683 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1684 (gcc-options.o): New rule.
1686 * optc-gen.awk: Protect variables for gcc-options.o with
1687 #ifdef GCC_DRIVER/#endif.
1689 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1691 Fix PR tree-optimization/27373
1692 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1693 (forward_propagate_addr_expr): Update call.
1695 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1697 * doc/options.texi: Move the Negative option.
1699 2006-05-16 Richard Guenther <rguenther@suse.de>
1701 PR tree-optimization/22303
1702 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1704 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1705 ccp_fold did not simplify the statement.
1707 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1710 * Makefile.in (GCC_OBJS): New.
1711 (OBJS-common): Add opts-common.o.
1712 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1713 (cpp$(exeext)): Likewise.
1714 (gcc.o): Also depend on opts.h.
1715 (opts-common.o): New.
1717 * common.opt (gcoff): Add Negative(gdwarf-2).
1718 (gdwarf-2): Add Negative(gstabs).
1719 (gstabs): Add Negative(gstabs+).
1720 (gstabs+): Add Negative(gvms).
1721 (gvms): Add Negative(gxcoff).
1722 (gxcoff): Add Negative(gxcoff+).
1723 (gxcoff+): Add Negative(gcoff).
1724 * config/i386/i386.opt (m32): Add Negative(m64).
1725 (m64): Add Negative(m32).
1727 * doc/options.texi: Document the Negative option.
1729 * gcc.c: Include "opts.h".
1730 (main): Call prune_options after expandargv.
1732 * optc-gen.awk: Generate common declarations for all flag
1733 variables in options.c. Output the neg_index field.
1735 * opts.c (find_opt): Moved to ...
1736 * opts-common.c: Here. New file.
1738 * opts.h (cl_option): Add a neg_index field.
1740 (prune_options): Likewise.
1742 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1745 * omp-low.c (expand_omp_parallel): Don't assert
1746 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1747 instead search for it.
1750 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1753 2006-05-16 Andreas Schwab <schwab@suse.de>
1755 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1758 2006-05-15 Roger Sayle <roger@eyesopen.com>
1761 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1762 integer constants other than zero are only legitimate on TARGET_64BIT.
1763 <CONST_VECTOR> Only zero vectors are legitimate.
1764 (ix86_cannot_force_const_mem): Integral and vector constants can
1765 always be put in the constant pool.
1767 2006-05-16 DJ Delorie <dj@redhat.com>
1769 * crtstuff.c (__dso_handle): Set section from
1770 TARGET_LBIGCC_SDATA_SECTION if defined.
1771 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1772 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1774 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1777 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1780 2006-05-16 Ben Elliston <bje@au.ibm.com>
1782 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1784 2006-05-15 Per Bothner <per@bothner.com>
1786 * tree.c: (last_annotated_node): Use source_locus typedef.
1787 This permits bootstrapping with --enable-mapped-location.
1789 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1791 PR tree-optimization/26830
1792 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1793 (info_for_ssa_name, current_info_for_ssa_name_age,
1794 blocks_to_update): New variables.
1795 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1796 (clear_ssa_name_info, initialize_flags_in_bb,
1797 mark_block_for_update): New functions.
1798 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1799 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1800 prepare_def_site_for): Use mark_block_for_update.
1801 (mark_def_interesting): Assert that the processed block is marked in
1802 blocks_to_update. Do not take blocks argument.
1803 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1805 (rewrite_update_init_block, rewrite_update_stmt): Only process
1806 blocks with statements to rewrite.
1807 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1808 (update_ssa): Initialize and free blocks_to_update. Do not
1809 clear flags on statements. Do not use blocks bitmap.
1810 * tree.h (SSA_NAME_AUX): Removed.
1811 (struct tree_ssa_name): Removed aux field.
1812 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1814 2006-05-15 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/27603
1817 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1818 Do computations in original type.
1820 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1822 * see.c: Code style changes such as redundant paranthesis,
1823 redundant intialization of local variables etc.
1824 (see_main): Declared now as static.
1825 * doc/invoke.texi: Update that -fsee is not enabled by
1828 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1830 * omp-low.c (check_omp_nesting_restrictions): New function.
1831 (scan_omp_1): Call it.
1834 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1835 construct, return *VAR.
1837 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1839 PR rtl-optimization/27406
1840 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1843 2006-05-14 Roger Sayle <roger@eyesopen.com>
1845 PR rtl-optimization/27538
1846 * combine.c (expand_compound_operation): Call gen_lowpart
1847 before calling simplify_shift_const.
1849 2006-05-14 Roger Sayle <roger@eyesopen.com>
1851 PR rtl-optimization/22563
1852 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1853 a fixed width bitfield, always force the intermediates into psuedos.
1855 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1858 * mkconfig.sh: Use operator = instead of == for test.
1860 2006-05-13 Nick Clifton <nickc@redhat.com>
1862 * dwarf2out.c (dbx_reg_number): Check return value from
1863 LEAF_REG_REMAP and only use it if it is valid.
1864 (multiple_reg_loc_descriptor): Likewise.
1866 2006-05-13 Richard Guenther <rguenther@suse.de>
1868 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1871 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1873 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1874 information attached to non-INSNs such as NOTEs.
1875 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1877 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1879 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1881 * config/s390/s390.md: Adjust comment describing On constraint.
1883 2006-05-11 Jan Hubicka <jh@suse.cz>
1885 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1886 to be output at -O0.
1888 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1891 * fold-const.c (size_binop): Move sanity check for arguments to
1892 the beginning of the function.
1895 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1898 2006-05-11 Richard Guenther <rguenther@suse.de>
1901 * fold-const.c (fold_unary): Handle intermediate conversion
1902 to a pointer type like intermediate conversion to an integer
1903 type in folding of (T1)(T2)var to var.
1904 Match the code to the comment in the final conversion for
1905 (T1)(T2)var to (T1)var regarding to type precision. Rather
1906 than disallow T1 being of pointer type, assert that both T1
1907 and var are of pointer type or not. Make sure not to fall
1908 over the frontends lazyness wrt array to pointer decay though.
1910 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1912 * arm.c (arm_struct_value_rtx): Delete.
1913 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1914 (arm_init_cumulative_args): Always initialize nregs to zero.
1916 2006-05-10 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/27532
1919 * tree-object-size.c (plus_expr_object_size): Fix typo.
1921 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1924 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1925 ashrdi_const, ashrdi3): Use a scratch register.
1927 2006-05-10 Richard Guenther <rguenther@suse.de>
1929 PR tree-optimization/27302
1930 * fold-const.c (operand_equal_p): For two comparisons,
1931 try comparison of one comparison code swapped if that yields
1934 2006-05-10 Ben Elliston <bje@au.ibm.com>
1936 * tree-pretty-print.c (pretty_print_string): No need to handle
1937 '\0' as a special character.
1939 * tree.h: Include "hashtab.h".
1940 (iterative_hash_expr): Use hashval_t in its prototype.
1941 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1943 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1946 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1947 (hppa*64*-*-hpux11*): Ditto.
1948 (hppa[12]*-*-hpux11*): Ditto.
1950 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1953 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1955 2006-05-09 Michael Matz <matz@suse.de>
1957 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1958 host_extra_gcc_objs and host_xmake_file.
1959 (<*-*-linux*>): Don't overwrite host_xmake_file.
1960 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1961 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1962 (host_detect_local_cpu): Declare.
1963 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1964 * config/i386/i386.c (override_options): Handle -mtune=native
1966 * config/i386/x-i386: New file.
1967 * config/i386/driver-i386.c: New file.
1968 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1971 2006-05-09 Dirk Mueller <dmueller@suse.de>
1972 Richard Guenther <rguenther@suse.de>
1975 * fold-const.c (fold_read_from_constant_string): Relax check
1976 for matching types to matching modes.
1978 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1980 PR rtl-optimization/27335
1981 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1984 2006-05-08 Chao-ying Fu <fu@mips.com>
1985 Richard Sandiford <richard@codesourcery.com>
1987 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1988 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1989 * config/mips/mips.md (UNSPEC_SCC): New constant.
1990 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1991 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1992 (mips_emit_compare): Use it.
1993 (mips_expand_vcondv2sf): New function.
1995 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1997 Fix PR tree-optimization/27093
1998 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1999 renaming when they become not-used_alone.
2001 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2003 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2004 relocation and relocation stubs.
2006 2006-05-08 Eric Christopher <echristo@apple.com>
2008 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2011 2006-05-08 Jan Hubicka <jh@suse.cz>
2014 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2015 unused static functions are needed.
2017 2006-05-08 Roger Sayle <roger@eyesopen.com>
2020 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2021 of a reg_equiv_constant if the result is a legitimate constant.
2023 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2026 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2027 standard 80387 constants, raise the cost to prevent
2028 compress_float_constant() to generate load from memory.
2030 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2032 * config/arm/constraints.md (c): Fix a typo.
2034 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2037 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2040 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2042 (_mm_mwait): Likewise.
2044 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2046 (sse3_monitor): Make it 32bit only.
2047 (sse3_monitor64): New. 64bit monitor.
2049 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2052 * config/i386/i386.c (classify_argument): Skip fields with invalid
2055 2006-05-07 Richard Guenther <rguenther@suse.de>
2057 PR tree-optimization/27409
2058 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2059 Do not try to find zero-sized subvars.
2061 2006-05-07 Richard Guenther <rguenther@suse.de>
2063 PR tree-optimization/27136
2064 * tree-ssa-loop-niter.c (get_val_for): Correct function
2065 comment, assert requirements.
2066 (loop_niter_by_eval): Stop processing if the iterated
2067 value did not simplify.
2069 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2071 * opts.c (flag_see): remove its setting at -O3.
2073 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2075 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2076 * arm/constraints.md: New file.
2077 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2078 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2079 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2080 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2081 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2082 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2083 * arm.md: Include constraints.md.
2084 (thumb_movsi_insn): Use satisfies_constraint_J.
2085 (movhi, movqi): Use satisfies_constraint_I.
2087 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2089 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2090 for atmeg a645 device.
2092 2006-05-06 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/27151
2095 * tree-vect-transform.c (vectorizable_condition): Punt on
2096 values that have a different type than the condition.
2098 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2101 * c-parser.c (c_parser_cast_expression): Only insert casts into
2102 hash table if pointer.
2103 * function.c (used_types_insert_helper): Rename from
2105 (used_types_insert): Call used_types_insert_helper.
2106 * function.h (used_types_insert): Accept only one argument.
2108 2006-05-05 David Edelsohn <edesohn@gnu.org>
2110 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2111 scratch with output modifier.
2113 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2116 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2117 with output modifier.
2119 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2122 * config/mips/mips.c (mips_symbolic_address_p): Return true
2123 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2124 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2126 2006-05-04 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/14287
2129 PR tree-optimization/14844
2130 PR tree-optimization/19792
2131 PR tree-optimization/21608
2132 PR tree-optimization/27090
2133 * tree-ssa-pre.c (try_combine_conversion): New function.
2134 (compute_avail): After constructing the value-handle
2135 expression, use try_combine_conversion to combine NOP_EXPRs
2136 with previous value-handle expressions and use the result if it
2139 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2141 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2143 2006-05-04 Jan Hubicka <jh@suse.cz>
2146 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2148 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2150 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2151 that this only matches CONST_INTs. All users changed to VOIDmode
2154 * config/bfin/bfin.c: Include "optabs.h".
2155 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2157 (enum bfin_builtins): Add a number of fractional and vector builtins.
2158 (bfin_init_builtins): Likewise.
2159 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2160 (safe_vector_operand, bfin_expand_binop_builtin,
2161 bfin_expand_unop_builtin): New functions.
2162 (bfin_expand_builtin): Handle the new builtins.
2163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2166 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2169 * Makefile.in (OBJS-common): Add see.o.
2170 (see.o): Add dependencies.
2171 * common.opt (fsee): New flag for the see optimization was added.
2172 * opts.c (flag_see): Initialized.
2173 * passes.c (init_optimization_passes, pass_see): New pass.
2174 * rtl.h (see_main): Declaration as extern.
2175 * timevar.def (TV_SEE): New.
2176 * tree-pass.h (pass_see): Declaration as extern.
2177 * invoke.texi (-fsee): Document.
2178 * recog.c (validate_simplify_insn): New function.
2179 * recog.h (validate_simplify_insn): Declaration as extern.
2180 * df-problems.c (df_chain_dump): Check for NULL.
2182 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2183 Daniel Berlin <dberlin@dberlin.org>
2185 * cfgrtl.c (insert_insn_bb_end_new): New function.
2186 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2188 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2190 * df.h (struct web_entry): Moved from web.c.
2191 (union_defs): Declaration as extern.
2192 (unionfind_root): Likewise.
2193 (unionfind_union): Likewise.
2194 * web.c (struct web_entry): Moved to df.h.
2195 (unionfind_root): Remove static declaration.
2196 (unionfind_union): Likewise.
2197 (union_defs): Likewise and generalize to use callback function.
2198 (web_main): Update arguments for union_defs function call.
2200 2006-05-04 Richard Guenther <rguenther@suse.de>
2202 PR tree-optimization/26447
2203 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2204 produce SSA_NAME copies before the store stmt to avoid
2205 breaking exception handling.
2207 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2210 * gimplify.c (omp_is_private): If var is shared in some outer context,
2211 return false instead of true. Stop searching on parallel context
2214 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2217 * coverage.c: Use get_gcov_unsigned_t() instead of
2218 unsigned_type_node all over.
2220 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2222 PR tree-optimization/27381
2223 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2224 maintain the same immediate_use links.
2225 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2226 node rather than segfaulting.
2228 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2231 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2232 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2233 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2235 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2237 Fix PR tree-optimization/26626
2238 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2240 * tree-ssa-operands.c (access_can_touch_variable): Allow
2241 typecasting through union pointers.
2243 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2246 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2247 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2248 to find if var will be a global variable even in the nested context.
2249 (omp_copy_decl): Only check for global variable at the end, it might
2250 be overridden in outer contexts.
2251 (scan_sharing_clauses): For global variables don't create a field.
2252 (lower_rec_input_clauses): Do nothing for global shared variables.
2253 Emit a barrier at the end of ILIST if there were any decls in both
2254 firstprivate and lastprivate clauses.
2255 (lower_send_clauses): Do nothing for global variables except for
2258 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2260 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2261 of the correct signedness is returned.
2263 2006-05-02 Jeff Law <law@redhat.com>
2265 PR tree-optimization/27364
2266 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2267 multiply expressions.
2269 2006-05-02 Tom Tromey <tromey@redhat.com>
2271 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2273 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2276 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2277 -mthumb -fPIC are used.
2279 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2280 Joshua Kinard <kumba@gentoo.org>
2283 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2284 with 64-bit pointers.
2286 2006-05-02 Paul Brook <paul@codesourcery.com>
2288 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2290 (create_fix_barrier): Check that a suitable barrier location is
2292 (arm_reorg): Include ftmp->address in allowable range of addresses.
2294 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2297 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2300 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2303 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2304 around RESULT_DECL for result passed by reference.
2305 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2306 * omp-low.c (use_pointer_for_field): Don't look at
2307 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2308 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2309 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2310 time or var for passing by reference for
2311 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2312 TREE_ADDRESSABLE variables when passing by reference.
2314 * omp-low.c (dump_omp_region): Fix output formatting.
2317 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2318 (expand_omp_parallel): Likewise.
2319 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2322 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2323 on statement list containing also constructors and destructors.
2324 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2327 * except.c (duplicate_eh_regions): Fix clearing of
2328 cfun->eh->region_array entries.
2330 2006-05-01 DJ Delorie <dj@redhat.com>
2332 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2334 (gcc_cv_objdump): Likewise.
2335 * configure: Regenerated.
2337 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2340 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2341 templates for case 3 and 4.
2343 2006-05-01 DJ Delorie <dj@redhat.com>
2345 * vec.c: Include bconfig.h when appropriate.
2346 * Makefile.in (build/vec.o): Adjust dependencies.
2347 * mkconfig.sh: Make sure config.h isn't used for build machine
2350 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2352 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2354 (mark_phi_for_rewrite): New function.
2355 (insert_phi_nodes_for, mark_use_interesting): Call
2356 mark_phi_for_rewrite.
2357 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2358 (update_ssa): Initialize and free phis_to_rewrite.
2360 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2362 PR rtl-optimization/27291
2363 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2364 folded to a constant.
2366 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2368 PR tree-optimization/27283
2369 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2370 not whole # of iteration descriptions.
2371 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2372 uses abnormal ssa name.
2373 (niter_for_single_dom_exit): Ditto.
2374 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2375 return just the number of iterations.
2377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2379 PR tree-optimization/27144
2380 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2381 (record_estimate): Only record constant upper bound.
2382 (infer_loop_bounds_from_undefined): Call
2383 compute_estimated_nb_iterations just once.
2384 (proved_non_wrapping_p): Renamed to ...
2385 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2386 (convert_step_widening, scev_probably_wraps_p): Call
2387 n_of_executions_at_most instead of proved_non_wrapping_p.
2388 (substitute_in_loop_info): Do not replace values in bounds.
2389 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2392 2006-05-01 Richard Henderson <rth@redhat.com>
2395 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2396 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2399 2006-05-01 Roger Sayle <roger@eyesopen.com>
2401 * c-typeck.c (parser_build_binary_op): Don't call the function
2402 unsigned_conversion_warning to spot operand/result type overflow.
2403 (build_binary_op): Instead, call convert_and_check instead of
2404 convert to report the problem when the operands are promoted.
2405 * c-common.c (unsigned_conversion_warning): Make static.
2406 * c-common.h (unsigned_conversion_warning): Delete prototype.
2408 2006-05-01 Richard Guenther <rguenther@suse.de>
2410 PR tree-optimization/26726
2411 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2413 (find_interesting_uses_address): ... we work around here
2414 by folding INDIRECT_REFs in the substituted base.
2416 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2418 * omp-low.c (dump_omp_region): Add newlines.
2420 2006-04-30 Roger Sayle <roger@eyesopen.com>
2422 * common.opt (Woverflow): New command line option.
2423 * c-common.c (constant_expression_warning): Check warn_overflow.
2424 (overflow_waring): Pass OPT_Woverflow to warning.
2425 (unsigned_conversion_warning): Likewise.
2426 (convert_and_check): Likewise.
2427 * doc/invoke.texi: Document new command line option.
2429 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2431 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2432 TARGET_NO_FP_IN_TOC for section anchors.
2433 (optimization_options): Enable section anchors for all
2434 non-"Objective" languages.
2436 2006-04-28 Eric Christopher <echristo@apple.com>
2438 * config/darwin-c.c (darwin_ms_struct): Move this
2439 (darwin_set_default_type_attributes): and this...
2440 * config/darwin.c: ... here.
2441 * config/darwin.h (darwin_ms_struct): Declare.
2443 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2445 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2447 2006-04-28 Roger Sayle <roger@eyesopen.com>
2450 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2451 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2452 an unsigned HOST_WIDE_INT.
2453 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2455 (really_start_incremental_init): No need to call convert because
2456 bitsize_zero_node is already of type bitsizetype.
2457 (push_init_level): Extract the value of constructor_index as an
2458 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2459 (process_init_element): Likewise.
2461 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2463 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2464 value before passing to make_relative_prefix.
2466 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2469 * builtins.c (expand_builtin_memset): Expand val in original mode.
2471 2006-04-27 Eric Christopher <echristo@apple.com>
2473 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2474 with #ifndef/#endif.
2475 * config/darwin-c.c (darwin_ms_struct): New.
2476 (darwin_pragma_ms_struct): Ditto.
2477 (darwin_set_default_type_attributes): Ditto.
2478 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2479 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2480 Register ms_struct pragma.
2481 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2482 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2483 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2484 darwin_set_default_type_attributes if TARGET_MACHO.
2486 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2488 PR tree-optimization/26854
2489 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2490 * doc/tree-ssa.texi: Update immuse iterator documentation.
2491 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2493 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2494 first_safe_imm_use, next_safe_imm_use): Remove.
2495 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2496 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2497 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2498 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2499 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2500 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2501 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2502 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2503 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2504 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2505 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2506 (perfect_nestify): Use new iterator.
2507 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2509 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2510 (next_imm_name): New field in struct immediate_use_iterator_d.
2511 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2512 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2513 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2514 * tree-cfg.c (replace_uses_by): Use new iterator.
2515 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2516 * tree-ssa-operands.c (correct_use_link): Remove.
2517 (finalize_ssa_use_ops): No longer call correct_use_link.
2519 2006-04-27 Stuart Hastings <stuart@apple.com>
2521 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2522 * config/t-darwin (crt3.o): Use it.
2523 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2524 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2525 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2526 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2527 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2530 2006-04-27 Roger Sayle <roger@eyesopen.com>
2532 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2533 size, force the intermediate into a new pseudo rather instead of
2534 performing both a bitwise AND and a bitwise IOR in memory.
2536 2006-04-27 Richard Guenther <rguenther@suse.de>
2538 PR rtl-optimization/26685
2539 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2540 this one "max-flow-memory-locations".
2542 2006-04-27 Richard Guenther <rguenther@suse.de>
2544 PR tree-optimization/25148
2545 * tree-vrp.c (compare_values): Remove code dealing with
2546 comparisons against type min/max value. Honour overflow
2547 and negative constants in code dealing with comparisons
2548 of plus and minus expressions.
2549 (value_inside_range): Use fold_binary with LE_EXPR and
2550 GE_EXPR rather than compare_values.
2552 2006-04-27 Dirk Mueller <dmueller@suse.de>
2554 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2557 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2559 * basic-block.h (safe_insert_insn_on_edge): Removed.
2560 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2562 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2563 Paolo Bonzini <bonzini@gnu.org>
2566 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2567 (simplify_and_const_int): Same.
2569 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2571 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2573 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2576 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2577 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2578 cgraph_global_info_ready.
2581 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2584 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2585 either decl or init is error_mark_node.
2588 * tree-flow.h (struct omp_region): Add sched_kind.
2589 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2590 instead of extracting omp for data.
2591 (expand_omp_for): Save extracted sched_kind.
2593 2006-04-25 Roger Sayle <roger@eyesopen.com>
2595 * expmed.c (store_bit_field): Also check whether the bitsize is
2596 valid for the machine's "insv" instruction before moving the
2597 target into a pseudo for use with the insv.
2598 * config/i386/predicates.md (const8_operand): New predicate.
2599 * config/i386/i386.md (extv, extzv, insv): Use the new
2600 const8_operand predicate where appropriate.
2602 2006-04-25 DJ Delorie <dj@redhat.com>
2604 * doc/install.texi (Specific): Clarify that this is not a list of
2605 supported hosts or targets.
2607 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2609 PR rtl-optimization/26725
2610 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2611 block's BB_DIRTY flag.
2613 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2615 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2618 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2619 to print an integer.
2621 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2623 * varasm.c (align_variable): New function.
2624 (get_block_for_decl): Apply align_variable to DECL before
2625 calculating section information.
2626 (assemble_variable): Split out alignment computation.
2628 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2630 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2633 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2635 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2636 MODE_PARTIAL_INT mode.
2637 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2638 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2640 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2641 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2643 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2645 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2647 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2648 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2649 MACFLAG_IH): Likewise.
2650 (movstricthi_1): Renamed from "*movstricthi".
2651 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2652 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2653 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2654 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2655 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2656 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2657 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2658 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2659 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2660 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2661 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2662 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2663 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2664 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2665 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2667 * doc/rtl.texi (ss_ashift): Improve wording.
2669 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2671 * dwarf2out.c (verify_marks_clear): New.
2672 (prune_unused_types): Call verify_marks_clear initially, not
2675 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2677 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2678 * doc/rtl.texi: Document them.
2679 * simplify-rtx.c (simplify_unary_operation,
2680 simplify_binary_operation_1): Don't abort when we see them.
2682 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2685 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2686 * configure.ac: Completely disregard languages that are not
2688 * configure: Regenerated.
2690 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2691 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/27236
2694 * tree-inline.c (copy_body_r): Make sure to copy
2695 TREE_THIS_VOLATILE flag.
2697 2006-04-24 Richard Guenther <rguenther@suse.de>
2700 * tree-complex.c (update_parameter_components): Don't handle
2701 unused parameters which have no default def.
2703 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2704 Richard Guenther <rguenther@suse.de>
2706 PR tree-optimization/27218
2707 * tree-inline.c (expand_call_inline): Strip useless type
2708 conversions for the return slot address.
2710 2006-04-24 Richard Guenther <rguenther@suse.de>
2712 * cfgloop.h (struct loops): Remove unused field array. Reorder
2714 (LOOP_PREFETCH): Remove.
2716 2006-04-24 Richard Guenther <rguenther@suse.de>
2718 PR tree-optimization/22525
2719 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2720 variable, adjust types of generated expressions.
2722 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2724 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2725 (tree-vect-patterns.o): Likewise.
2727 (cselib.o): Likewise.
2728 (loop-doloop.o): Likewise.
2729 (regclass.o): Likewise.
2730 (reload1.o): Likewise.
2731 (explow.o): Replace target.h with $(TARGET_H).
2732 (ipa-prop.o): Likewise.
2733 (ipa-cp.o): Likewise.
2734 (ipa-inline.o): Likewise.
2735 (reorg.o): Likewise.
2736 (reg-stack.o): Likewise.
2738 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2740 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2742 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2744 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2746 * configure.ac: Completely disregard languages that are not
2748 * configure: Regenerated.
2751 * c-common.h (c_build_bitfield_integer_type): Declare.
2752 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2753 * c-common.c (c_build_bitfield_integer_type): ... here.
2755 2006-04-23 Roger Sayle <roger@eyesopen.com>
2758 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2759 a SImode SUBREG of a floating point register after no_new_pseudos.
2761 2006-04-23 Roger Sayle <roger@eyesopen.com>
2763 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2764 identify potentially eliminable registers to additionally catch
2765 VIRTUAL_INCOMING_ARGS_REGNUM.
2766 (addsi3): Update the conditions on when to use addsi_small_int.
2768 2006-04-23 Roger Sayle <roger@eyesopen.com>
2771 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2772 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2773 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2775 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2777 * fold-const.c (range_predecessor): Use operand_equal_p
2778 as the predicate for equality.
2779 (range_successor): Likewise.
2781 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2784 * config/soft-fp/op-common.h: Fix a typo.
2786 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2789 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2790 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2792 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2794 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2796 * doc/tm.texi: Fix a typo.
2798 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2800 * dwarf2out.c (struct die_struct): Document that die_sib makes
2801 a circular linked list.
2802 (FOR_EACH_CHILD): New.
2803 (reverse_die_lists): Delete.
2804 (reverse_all_dies): Delete.
2805 (add_dwarf_attr): Correct documentation.
2806 (remove_child_with_prev): New.
2807 (remove_child_TAG): Update for change to die_struct, use
2808 remove_child_with_prev.
2809 (add_child_die): Update for change to die_struct.
2810 (splice_child_die): Use remove_child_with_prev and add_child_die.
2811 (print_die): Use FOR_EACH_CHILD.
2812 (die_checksum): Likewise.
2813 (assign_symbol_names): Likewise.
2814 (output_location_lists): Likewise.
2815 (build_abbrev_table): Likewise.
2816 (calc_die_sizes): Likewise.
2817 (mark_dies): Likewise.
2818 (unmark_dies): Likewise.
2819 (unmark_all_dies): Likewise.
2820 (output_die): Likewise.
2821 (prune_unused_types_mark): Likewise.
2822 (prune_unused_types_walk): Likewise.
2823 (same_die_p): Update for change to die_struct.
2824 (break_out_includes): Likewise.
2825 (prune_unused_types_prune): Likewise.
2826 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2827 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2829 (dwarf2out_finish): Don't call reverse_all_dies.
2831 2006-04-21 Eric Christopher <echristo@apple.com>
2833 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2834 in comments and function names.
2836 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2839 * c-typeck.c (digest_init): Robustify.
2841 * c-typeck.c (pop_init_level): Simplify.
2843 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2845 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2847 2006-04-21 Paul Brook <paul@codesourcery.com>
2849 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2850 hardware floating point.
2852 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2854 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2857 2006-04-21 Nick Clifton <nickc@redhat.com>
2859 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2862 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2865 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2866 C++ lang type in traceback table for Objective-C++.
2868 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2870 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2872 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2874 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2877 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2878 were errors. Remove check for erroneous objects.
2880 2006-04-20 Jeff Law <law@redhat.com>
2882 PR tree-optimization/26854
2883 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2884 checking for zero or one use.
2885 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2886 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2887 * tree-ssa-reassoc.c (negate_value): Similarly.
2888 (reassociate_bb): Similarly.
2890 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2892 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2893 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2894 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2896 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2898 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2899 fp regs if the last fp arg doesn't fit in regs.
2901 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2904 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2905 that the last insn has the REG_INC note.
2907 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2908 Nathan Sidwell <nathan@codesourcery.com>
2911 * stor-layout.c (update_alignment_for_field): Do not align
2913 (place_union_field): Place union field at the start of the union.
2914 (place_field): Move ERROR_MARK check later, and use the current
2915 allocation position to maintain monotonicity.
2917 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2919 * dominance.c: Include timevar.h.
2920 (calculate_dominance_info): Use TV_DOMINANCE.
2921 * timevar.def (TV_DOMINANCE): New timevar.
2922 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2924 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2926 PR rtl-optimization/14261
2927 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2928 move would be an INSV insn.
2929 (noce_process_if_block): Don't optimize if the destination is a
2930 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2932 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2934 * config/s390/s390.md: Add comments with the instructions emitted
2935 by an insn pattern if macros are used.
2937 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2939 PR rtl-optimization/26026
2940 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2941 is a known power of two shifted left a variable amount.
2943 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2945 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2946 to hash table twice when the debug_str section has SECTION_MERGE.
2948 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2950 * config/soft-fp: New directory. From glibc.
2951 * config/soft-fp/t-softfp: New.
2952 * config/soft-fp/README: New.
2953 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2954 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2955 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2956 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2957 * config.gcc: Use rs6000/t-fprules-fpbit or
2958 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2960 * config/rs6000/sfp-machine.h: New. Based on glibc.
2961 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2963 * config/rs6000/t-fprules: Remove fp-bit rules.
2964 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2965 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2966 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2967 (softfp_wrap_start, softfp_wrap_end): New.
2969 2006-04-18 DJ Delorie <dj@redhat.com>
2971 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2973 2006-04-18 Devang Patel <dpatel@apple.com>
2975 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2977 2006-04-18 Nick Clifton <nickc@redhat.com>
2979 * config/sh/t-symbian: Add rule to build sh-c.o
2980 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2981 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2982 (sh_symbian_encode_section_info): Likewise.
2984 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2986 * builtins.c (expand_builtin_strcmp): Cover label definition of
2987 do_libcall with HAVE_cmpstrnsi.
2989 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2991 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2993 * function.h (temp_slot_p): New.
2994 (function): Change the type of x_used_temp_slots to
2995 VEC(temp_slot_p,gc) *.
2997 2006-04-18 Nick Clifton <nickc@redhat.com>
2999 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3000 flag_strength_reduce.
3002 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3004 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3008 Partial revert of revision 112637
3009 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3010 Dale Johannesen <dalej@apple.com>
3013 * regclass.c (struct reg_pref): Update documentation.
3014 (regclass): Set prefclass to NO_REGS if memory is the best option.
3015 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3017 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3019 PR tree-optimization/26821
3020 * tree-ssa-math-opts.c (get_constant_one): New.
3021 (insert_reciprocals): Use it.
3023 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3025 * dwarf2out.c (free_AT): Delete.
3026 (remove_AT): Update string ref counts.
3027 (remove_child_TAG): Don't call free_die.
3029 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3030 or DW_TAG_GNU_EINCL.
3031 (prune_unused_types_walk_attribs): Reset string refcounts.
3032 (prune_unused_types_update_strings): New.
3033 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3034 call free_die. Do call prune_unused_types_update_strings.
3035 (prune_unused_types): Empty debug_str_hash.
3037 2006-04-17 Roger Sayle <roger@eyesopen.com>
3039 * expr.c (expand_assignment): Optimize away no-op moves where the
3040 source and destination are equal and have no side-effects.
3042 2006-04-17 Richard Guenther <rguenther@suse.de>
3045 * reload.c (push_reload): Guard calls to get_secondary_mem
3048 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3050 * alias.c (reg_base_value, old_reg_base_value): Change the
3051 type to VEC(rtx,gc) *.
3052 (REG_BASE_VALUE, find_base_value, record_set,
3053 init_alias_analysis): Use VEC instead of VARRAY.
3055 * alias.c (alias_sets): Change the type to
3056 VEC(alias_set_entry,gc) *.
3057 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3058 VEC instead of VARRAY.
3059 (last_alias_set): Remove.
3061 * cgraph.h (cgraph_edge_p): New.
3062 Update the prototype of cgraph_function_versioning.
3063 * cgraphunit.c (cgraph_copy_node_for_versioning,
3064 cgraph_function_versioning): Use VEC instead of VARRAY.
3065 * ipa-cp.c (ipcp_insert_stage): Likewise.
3067 2006-04-16 Roger Sayle <roger@eyesopen.com>
3070 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3071 "A op B" or "A op C", we may need to convert A to the type of B and C.
3073 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3075 * target.h (struct gcc_target): Add mode_rep_extended.
3076 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3077 (init_num_sign_bit_copies_in_rep): Initialize it using
3079 (truncate_to_mode): Use it.
3080 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3081 * targhooks.h (default_mode_rep_extended): Declare it.
3082 * targhooks.c (default_mode_rep_extended): Define it.
3083 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3084 default_mode_rep_extended.
3085 (TARGET_INITIALIZER): Include it.
3086 * doc/tm.texi (Misc): Document it.
3087 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3088 (mips_truncated_to_mode): New function.
3090 2006-04-16 Roger Sayle <roger@eyesopen.com>
3093 * expr.c (compress_float_constant): Copy the narrow constant into
3094 a new pseudo before extending it to its final width.
3096 2006-04-16 Roger Sayle <roger@eyesopen.com>
3097 Andrew Pinski <pinskia@gcc.gnu.org>
3098 Dale Johannesen <dalej@apple.com>
3101 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3102 special case code to implement V8HImode and V16QImode with SSE2.
3104 2006-04-15 Roger Sayle <roger@eyesopen.com>
3106 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3107 trees are constructed with a suitable tree type.
3109 2006-04-15 Roger Sayle <roger@eyesopen.com>
3111 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3112 (integer_onep): Likewise.
3113 (integer_all_onesp): Likewise.
3114 (integer_pow2p): Likewise.
3115 (integer_nonzerop): Likewise.
3116 (real_zerop): Likewise.
3117 (real_onep): Likewise.
3118 (real_twop): Likewise.
3119 (real_minus_onep): Likewise.
3120 (int_size_in_bytes): Likewise.
3121 (host_integerp): Likewise.
3123 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3125 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3126 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3127 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3129 * tree-ssa-structalias.h (alias_info): Remove num_references.
3131 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3133 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3134 (output_bvb patterns): Likewise.
3135 * pa.c (output_bb): Use 'bb' insn for long branch case.
3136 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3137 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3138 1. Correct length operand for alternatives 1 and 2.
3139 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3140 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3142 2006-04-14 Roger Sayle <roger@eyesopen.com>
3144 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3145 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3146 were accidentally reverted by r112959.
3148 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3151 * except.h (eh_region_outermost): New prototype.
3152 * except.c (eh_region_outermost): New function.
3153 * tree-cfg.c (find_outermost_region_in_block): Use it.
3155 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3157 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3159 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3160 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3161 (init_reload, reload): Use VEC instead of VARRAY.
3162 * reload.h: Update the prototype for
3163 reg_equiv_memory_loc_varray.
3165 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3166 Eric Botcazou <ebotcazou@libertysurf.fr>
3168 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3171 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3174 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3175 to expand fallback builtin function call.
3177 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3180 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3181 and emit libcall here in case the builtin fails.
3182 (expand_builtin_strcmp): Always emit the libcall here on failure.
3184 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3186 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3187 * flow.c (reg_n_info): Change the type to
3188 VEC(reg_info_p,heap) *.
3189 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3191 * regs.h (reg_info_p): New.
3192 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3193 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3194 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3197 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3199 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3201 * params.h (MAX_SCHED_READY_INSNS): New macro.
3202 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3203 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3204 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3205 the ready list for 1 cycle during the first scheduling pass.
3206 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3208 2006-04-13 Richard Henderson <rth@redhat.com>
3211 * gimple-low.c (lower_omp_directive): Remove dead code.
3212 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3213 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3214 * omp-low.c (struct omp_region): Move to tree-flow.h.
3215 (root_omp_region): Export.
3216 (omp_regions, lookup_omp_region): Remove.
3217 (determine_parallel_type): Update for struct omp_region changes.
3218 (dump_omp_region): Dump regions with block numbers.
3219 (new_omp_region): Take type and block instead of stmt; malloc
3221 (free_omp_region_1, free_omp_regions): New.
3222 (expand_parallel_call): Take entry_stmt as argument; update for
3223 changes to omp_region.
3224 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3225 (remove_exit_barriers): New.
3226 (expand_omp_parallel): Update for struct omp_region changes.
3227 (expand_omp_synch): Likewise.
3228 (expand_omp): Likewise.
3229 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3230 (expand_omp_for_static_chunk): Likewise.
3231 (expand_omp_for): Likewise.
3232 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3233 (expand_omp_sections): Similarly, with GOMP_sections_end.
3234 (expand_omp_single): New.
3235 (build_omp_regions_1): Update for OMP_CONTINUE.
3236 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3237 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3238 OMP_SECTIONS_SECTIONS.
3239 (lower_omp_single_simple): Don't emit barrier here.
3240 (lower_omp_single_copy): Likewise.
3241 (lower_omp_single): Fix bindings, and lower to straightline now.
3242 (lower_omp_master, lower_omp_ordered): Likewise.
3243 (lower_omp_critical): Likewise.
3244 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3245 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3246 omp edges, free it afterward.
3247 (make_omp_sections_edges): Remove.
3248 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3249 (move_stmt_r): Handle OMP_CONTINUE.
3250 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3251 statement pointers to basic blocks. Add type member.
3252 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3253 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3254 * tree-inline.c (estimate_num_insns_1): Likewise.
3255 * tree-pretty-print.c (dump_generic_node): Likewise.
3256 * tree-ssa-operands.c (get_expr_operands): Likewise.
3257 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3258 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3259 (OMP_CONTINUE): New.
3260 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3261 (OMP_SECTIONS_SECTIONS): Remove.
3262 (OMP_SECTION_LAST): New.
3263 (OMP_RETURN_NOWAIT): New.
3265 2006-04-13 Roger Sayle <roger@eyesopen.com>
3267 * fold-const.c (native_encode_vector, native_interpret_real):
3268 Correct obvious mistakes in the previous check-in.
3270 2006-04-13 Roger Sayle <roger@eyesopen.com>
3272 * fold-const.c (native_encode_expr): New function to encode
3273 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3274 or VECTOR_CST into a specified buffer.
3275 (native_encode_int): New function.
3276 (native_encode_real): New function.
3277 (native_encode_complex): New function.
3278 (native_encode_vector): New function.
3279 (native_interpret_expr): Inverse of native_encode_expr to convert
3280 a target representation into an INTEGER_CST, REAL_CST etc...
3281 (native_interpret_int): New function.
3282 (native_interpret_real): New function.
3283 (native_interpret_complex): New function.
3284 (native_interpret_vector): New function.
3285 (fold_view_convert_expr): New function to constant fold/evaluate
3286 a VIEW_CONVERT_EXPR of a suitable constant expression.
3287 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3288 Change call of build1 to fold_build1 when constructing a
3291 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3292 Ulrich Weigand <uweigand@de.ibm.com>
3295 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3298 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3301 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3302 optimize to lo_sum for DFmode if !TARGET_FPRS.
3304 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3306 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3307 delete_alias_info, compute_flow_sensitive_aliasing,
3308 group_aliases): Use VEC instead of VARRAY.
3309 * tree-ssa-structalias.c (update_alias_info): Likewise.
3310 * tree-ssa-structalias.h (alias_info): Change the type of
3311 processed_ptrs to VEC(tree,heap) *.
3313 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3316 * config/sh/lib1funcs.h: New file, broken out of:
3317 * config/sh/lib1funcs.asm.
3318 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3320 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3321 * config/sh/lib1funcs-Os-4-200.asm: New file.
3322 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3323 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3324 (EXTRA_MULTILIB_PARTS): Include it.
3325 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3326 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3327 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3328 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3331 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3333 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3334 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3335 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3337 * tree-ssa-live.h: Include vecprim.h.
3338 (tree_partition_associator_d): Change the type of
3339 first_partition to VEC(int,heap) *.
3340 (tpa_first_partition): Use VEC instead of VARRAY.
3342 * Makefile.in (GTFILES): Move functions.h after tree.h.
3343 * function.c (reset_block_changes, record_block_change,
3344 check_block_change, free_block_changes): Use VEC instead of
3346 * function.h (function): Change the type of
3347 ib_boundaries_block to VEC(tree,gc) *.
3348 * tree-inline.c (copy_cfg_body): Initialize
3349 ib_boundaries_block to NULL instead of (varray_type) 0.
3351 2006-04-12 Roger Sayle <roger@eyesopen.com>
3353 * expr.c (emit_group_store): Correct operand order in call to
3354 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3355 a SUBREG_BYTE of zero.
3357 2006-04-12 Richard Guenther <rguenther@suse.de>
3359 * profile.c (compute_branch_probabilities): Remove code
3360 encapsulated in !ir_type (), which are remanents of the
3361 removed RTL profiling code.
3362 * rtl-profile.c: Remove.
3364 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3366 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3367 magic NULL_RTX comment.
3368 (function_arg): Store entire fp arg to mem if any part should go
3370 (rs6000_arg_partial_bytes): Adjust for above change.
3372 2006-04-11 Roger Sayle <roger@eyesopen.com>
3374 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3375 if it hasn't been initialized by dwarf2out_init.
3377 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3379 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3380 symbolic constants in branch patterns.
3382 2006-04-11 Roger Sayle <roger@eyesopen.com>
3384 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3386 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3388 PR rtl-optimization/27073
3389 * gcse.c (try_replace_reg): Revert last change. Continue to search
3390 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3393 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3395 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3396 aggregate types other than record and union types.
3397 (function_arg): Likewise.
3398 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3400 (function_value): In 64-bit mode, return objects that require it
3403 2006-04-11 Roger Sayle <roger@eyesopen.com>
3405 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3407 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3409 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3411 2006-04-03 Jeff Law <law@redhat.com>
3414 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3415 alias information too.
3417 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3419 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3421 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3424 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3425 (premark_used_types_helper): New.
3426 (premark_used_types): New.
3427 (gen_subprogram_die): Call premark_used_types.
3428 (prune_unused_types_walk): Do not prune perennial dies.
3429 * function.c (used_types_insert): New.
3430 * function.h (struct function): Add used_types_hash field.
3431 (used_types_insert): Add prototype.
3432 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3433 * c-parser.c (c_parser_cast_expression): Save casted types in used
3436 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3439 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3440 rs6000_explicit_options.float_gprs.
3442 2006-04-10 Roger Sayle <roger@eyesopen.com>
3444 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3445 from ix86_expand_vector_init_low_nonzero. Take an additional
3446 one_var argument indicating which element is non-zero. Support
3447 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3448 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3449 with one_var instead of ix86_expand_vector_init_low_nonzero.
3451 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3453 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3454 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3455 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3456 build/genextract.o): Depend on vecprim.h.
3457 * cfglayout.c, df-problems.c, function.c, genextract.c,
3458 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3459 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3463 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3465 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3466 Declare VECs of this type.
3467 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3468 (remove_children): Delete.
3469 (add_dwarf_attr): Use VEC routines.
3470 (add_AT_flag): Update for changes to add_dwarf_attr.
3471 (add_AT_int): Likewise.
3472 (add_AT_unsigned): Likewise.
3473 (add_AT_long_long): Likewise.
3474 (add_AT_vec): Likewise.
3475 (add_AT_string): Likewise.
3476 (add_AT_die_ref): Likewise.
3477 (add_AT_fde_ref): Likewise.
3478 (add_AT_loc): Likewise.
3479 (add_AT_loc_list): Likewise.
3480 (add_AT_addr): Likewise.
3481 (add_AT_lbl_id): Likewise.
3482 (add_AT_lineptr): Likewise.
3483 (add_AT_macptr): Likewise.
3484 (add_AT_offset): Likewise.
3485 (add_AT_range_list): Likewise.
3486 (get_AT): Use VEC_iterate.
3487 (remove_AT): Use VEC_ordered_remove.
3488 (free_die): Fold remove_children into here; have it use VEC_iterate.
3489 (print_die): Use VEC_iterate on attrs.
3490 (reverse_die_lists): Don't reverse attr lists.
3491 (die_checksum): Use VEC_iterate on attrs.
3492 (same_die_p): Likewise.
3493 (output_location_lists): Likewise.
3494 (build_abbrev_table): Likewise.
3495 (size_of_die): Likewise.
3496 (unmark_all_dies): Likewise.
3497 (output_abbrev_section): Likewise.
3498 (output_die): Likewise.
3499 (prune_unused_types_walk_attribs): Likewise.
3501 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3503 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3505 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3508 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3510 2006-04-09 Roger Sayle <roger@eyesopen.com>
3512 * expr.c (store_constructor): Don't bother clearing target if
3513 we're about to assign a vector to it using vec_init_optab.
3515 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3517 * tree-ssa-alias.c (lhs_may_store_to): New function.
3518 (recalculate_used_alone): Handle LHS of calls.
3520 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3524 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3525 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3526 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3527 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3528 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3529 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3530 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3531 stubs. Add ".align 8" directives before all ".dword" directives.
3532 (GTHREAD_USE_WEAK): Revise comment.
3533 (TARGET_ATTRIBUTE_WEAK): Define.
3534 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3535 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3536 * stublib.c: New file.
3541 * pa.md (cbranch patterns): Revise arguments used in calls to
3542 output_cbranch, output_bb and output_bvd. Add long branch length
3544 (fbranch patterns): Handle long branches.
3545 (jump): Revise length check. Revise arguments for output_lbranch call.
3546 Add long branch length attributes.
3547 (decrement_and_branch_until_zero): Add long branch length attributes.
3548 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3549 Likewise. Revise arguments for output_parallel_addb and
3550 output_parallel_movb calls.
3551 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3552 output_parallel_movb and output_parallel_addb): Update prototypes.
3553 * pa.c (output_cbranch): Revise arguments. Correct handling of
3554 nullification in long branches.
3555 (output_lbranch): Add new argument to control extraction of delay
3557 (output_bb): Handle long branches.
3558 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3559 output_parallel_addb): Likewise.
3561 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3563 PR rtl-optimization/27073
3564 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3567 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3569 * tree.h (tree_memory_tag): Add old_used_alone.
3570 (SMT_OLD_USED_ALONE): New macro.
3571 * tree-ssa-alias.c (recalculate_used_alone): Stop
3572 marking things for renaming unnecessarily.
3574 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3576 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3577 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3578 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3579 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3580 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3581 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3582 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3583 spelling convensions.
3584 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3585 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3586 typos. Follow spelling conventions.
3588 2006-04-07 DJ Delorie <dj@redhat.com>
3590 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3591 passed on the stack.
3592 (m32c_init_cumulative_args): When a function returns a structure,
3593 always pass the pointer to that return area on the stack.
3594 (m32c_function_arg_advance): Don't increment the parameter number
3595 if we're processing the returned structure pointer.
3596 (pushm_info): Reverse order of registers.
3598 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3600 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3601 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3602 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3603 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3605 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3606 chrec_fold_multiply): Same.
3607 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3608 force_expr_to_var_cost): Same.
3609 * tree-mudflap.c (mf_xform_derefs_1): Same.
3610 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3612 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3614 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3615 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3618 2006-04-07 Jan Hubicka <jh@suse.cz>
3620 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3622 2006-04-07 Richard Guenther <rguenther@suse.de>
3624 PR tree-optimization/26135
3625 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3626 loads for store copy-prop.
3627 (copy_prop_visit_stmt): Likewise.
3629 2006-04-05 Robert Millan <robertmh@gnu.org>
3631 * config/i386/linux.h: Add a comment to mark macros that are
3632 being overriden in config/k*bsd-gnu.h.
3633 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3635 * config/knetbsd-gnu.h: Ditto.
3637 2006-04-06 Jan Hubicka <jh@suse.cz>
3641 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3644 2006-04-06 Mike Stump <mrs@apple.com>
3646 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3647 for HAVE_nonlocal_goto to be consistent.
3648 (expand_builtin_nonlocal_goto): Likewise.
3649 (expand_builtin_strcmp): Use #ifdef instead of #if
3650 for HAVE_cmpstrnsi to be consistent.
3652 2006-04-05 DJ Delorie <dj@redhat.com>
3654 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3657 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3659 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3660 got-relative addressing for anything but SImode.
3662 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3663 even if the calling function doesn't modify them.
3665 2006-04-05 Richard Guenther <rguenther@suse.de>
3667 PR tree-optimization/26919
3668 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3669 to cgraph_estimate_size_after_inlining.
3671 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3673 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3675 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3677 PR tree-optimization/26996
3678 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3679 VECTOR_TYPE variables.
3681 2006-04-05 Richard Guenther <rguenther@suse.de>
3683 PR tree-optimization/26763
3684 * fold-const.c (fold_comparison): Move folding of
3685 PTR + CST CMP PTR + CST ...
3686 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3688 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3690 * doc/install.texi (Prerequisites): Refine some wording on
3691 bootstrapping and ksh.
3692 Move the version numbers of DejaGnu here from the testing section
3693 and fix casing of names.
3694 Fix markup and clarify wording for autogen requirements.
3695 Refer to GCJ instead of just java.
3696 Refer to SVN instead of CVS.
3697 Describe diffutils as useful instead of necessary.
3698 (Downloading the source): Refer to SVN instead of CVS.
3699 Adjust a link to our web site accordingly.
3700 (Configuration): Fix casing of Bison.
3701 (Building): Refer to SVN instead of CVS.
3702 Fix a sentence on the use of Bison and remove duplicate (and
3703 incorrect) version number of Bison requirement.
3704 Remove one redundant list of packages needed for building.
3705 (Specific): Avoid reference to CVS.
3707 2006-04-04 Eric Christopher <echristo@apple.com>
3709 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3710 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3711 (rs6000_handle_struct_attribute): New.
3712 (rs6000_ms_bitfield_layout_p): Ditto.
3714 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3716 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3717 NULL for dso parameter to atexit_common.
3719 2006-04-04 Eric Christopher <echristo@apple.com>
3721 * config/i386/i386.c (machopic_output_stub): Output \t
3722 between instructions and operands.
3724 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3726 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3727 satisfies_constraint_[IL] to explicit tests on value.
3729 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3731 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3732 set_nb_iterations_in_loop): Use build_int_cst instead of
3734 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3735 build_int_cst instead of convert.
3737 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3739 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3740 new value 2 for incoming.
3741 * function.c (expand_function_start): Call struct_value_rtx
3743 * config/sparc/sparc.md: Comment updated_return.
3744 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3745 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3746 struct return if sparc_std_struct_return and incoming is 2.
3747 (print_operand): Do not adjust return if
3748 sparc_std_struct_return.
3750 2006-04-04 Roger Sayle <roger@eyesopen.com>
3752 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3753 convert in the middle-end.
3754 * expr.c (store_expr, store_constructor, get_inner_reference,
3755 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3757 * tree.c (build_range_type): Likewise.
3759 2006-04-04 Tom Tromey <tromey@redhat.com>
3761 * doc/install.texi (Prerequisites): Mention jar.
3763 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3765 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3768 2006-04-04 Matthias Klose <doko@debian.org>
3770 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3771 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3774 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3776 * doc/extend.texi (Function Attributes): Rewrite visibility
3777 attribute documentation.
3778 * doc/invoke.texi (C++ Dialect Options): Rewrite
3779 -fvisibility-inlines-hidden documentation to describe something
3780 entirely different, although in practise compatible.
3781 (Code Gen Options): Warn about system headers in -fvisibility=
3784 * doc/extend.texi (Other Builtins): Document that
3785 __builtin_nan is a compile-time constant only when its argument
3788 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3790 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3791 trying to remove TRUNCATE check if all bits outside the new mode
3792 are identical to the sign bit.
3794 2006-04-03 Jeff Law <law@redhat.com>
3796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3797 and operand scanning in some common cases.
3799 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3800 Dale Johannesen <dalej@apple.com>
3803 * regclass.c (struct reg_pref): Update documentation.
3804 (regclass): Set prefclass to NO_REGS if memory is the best option.
3805 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3806 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3807 into account. For non-registers, equate an empty preferred
3808 reload class to a `!' in the constraint; move the if clause to
3809 do so after those that reject the insn.
3810 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3812 (find_dummy_reload): Likewise.
3813 * doc/tm.texi (Register Classes): Document what it means
3814 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3815 * config/i386/i386.c (ix86_preferred_reload_class): Force
3816 using SSE registers (and return NO_REGS for floating-point
3817 constants) if math is done with SSE.
3818 (ix86_preferred_output_reload_class): New.
3819 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3820 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3821 * config/i386/i386.md: Remove # register preferences.
3823 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3826 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3827 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3828 the type of nb_iter.
3829 (instantiate_parameters_1): Convert the operands before calling
3830 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3831 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3833 2006-04-02 Roger Sayle <roger@eyesopen.com>
3835 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3836 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3838 * dojump.c (do_jump): Likewise.
3839 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3840 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3841 gimplify_boolean_expr): Likewise.
3842 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3843 * varasm.c (array_size_for_constructor): Likewise.
3844 * tree-object-size.c (compute_object_offset): Likewise.
3846 2006-04-02 Roger Sayle <roger@eyesopen.com>
3849 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3850 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3852 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3854 PR tree-optimization/26939
3855 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3857 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3859 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3860 at_stmt. Convert the type of operands before calling
3861 build_polynomial_chrec.
3862 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3864 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3865 (instantiate_parameters_1): Convert the type of operands before calling
3866 build_polynomial_chrec.
3867 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3868 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3869 reset_evolution_in_loop): Insert asserts to check the types of the
3871 (chrec_type): Moved...
3872 (eq_evolutions_p): Use operand_equal_p.
3873 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3874 the types of the operands.
3875 (chrec_type): ...here.
3876 * tree-data-ref.c (create_data_ref): Convert the operands before
3877 calling chrec_replace_initial_condition.
3878 (same_access_functions, analyze_subscript_affine_affine,
3879 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3880 (compute_subscript_distance, analyze_ziv_subscript,
3881 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3882 analyze_miv_subscript): Convert the operands before calling
3883 chrec_fold_minus or chrec_fold_plus.
3885 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3887 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3888 the dependence_relations vector.
3889 (compute_data_dependences_for_loop): Adjust call to
3890 compute_all_dependences.
3892 2006-04-01 Roger Sayle <roger@eyesopen.com>
3893 Richard Henderson <rth@redhat.com>
3895 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3896 gimple_boolify on the condition before calling gimplify_expr.
3898 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3900 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3901 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3902 the frame size. Update to use the new macros.
3903 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3904 * config/xtensa/ieee754-df.S: Likewise.
3906 2006-03-31 Richard Henderson <rth@redhat.com>
3908 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3909 (make_edges): ... here. Control fallthru creation with a local
3910 variable. Do not play with fake edges.
3911 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3912 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3915 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3917 * dwarf2.h (DW64_CIE_ID): Define.
3918 * dwarf2out.c (DWARF_CIE_ID): Define.
3919 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3920 length header. Use DWARF_CIE_ID.
3921 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3922 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3924 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3926 * config/sh/linux-atomic.asm: New file.
3927 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3929 2006-03-31 DJ Delorie <dj@redhat.com>
3931 * config/m32c/cond.md: Set condition flags properly throughout.
3932 * config/m32c/minmax.md: Likewise.
3933 * config/m32c/prologue.md: Likewise.
3934 * config/m32c/bitops.md: Likewise.
3935 * config/m32c/muldiv.md: Likewise.
3936 * config/m32c/mov.md: Likewise.
3937 * config/m32c/addsub.md: Likewise.
3938 * config/m32c/m32c.md: Likewise.
3939 * config/m32c/jump.md: Likewise.
3940 * config/m32c/shift.md: Likewise.
3942 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3943 conditionally output the pattern for this.
3944 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3945 (m32c_compare_redundant): New.
3946 (m32c_output_compare): New.
3947 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3949 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3950 dest, not src. Allow other 4-byte modes.
3952 2006-03-30 Denis Chertykov <denisc@overta.ru>
3954 * doc/md.texi: Refer to avr/constraints.md instead of
3957 2006-03-30 Roger Sayle <roger@eyesopen.com>
3959 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3960 signed vs. unsigned comparison failures on some hosts.
3962 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3965 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3966 change to FLOAT_REGS.
3968 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3969 (rs6000_override_options): Use it.
3970 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3971 only for -mabi=spe/no-spe and -mabi=altivec.
3973 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3975 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3978 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3980 * Makefile.in: Rename docdir to gcc_docdir.
3982 2006-03-30 Roger Sayle <roger@eyesopen.com>
3985 * expr.c (emit_group_store): Optimize group stores into a pseudo
3986 register by using a paradoxical subreg to initialize the destination
3987 if the first or last member of the group specifies a "low part".
3989 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3992 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3993 * target.h (struct gcc_target.speculate_insn): Change type of the
3994 second parameter to 'int'.
3995 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3996 the second operand of the DEPS_LIST.
3997 (copy_DEPS_LIST_list): Update reference to the second operand of the
3999 * rtl.h (alloc_DEPS_LIST): Update signature.
4000 * sched-int.h (ds_t): Change typedef to 'int'.
4001 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4003 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4005 * haifa-sched.c (try_ready): Change condition to restore
4006 non-speculative pattern of the instruction.
4007 (process_insn_depend_be_in_spec): Code to keep probability of the
4008 speculative dependence non-decreasing.
4010 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4012 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4013 (single_move_for_movmem): ... this. Also change all uses.
4014 (bfin_expand_strmov): Renamed to...
4015 (bfin_expand_movmem): ... this. Also change all uses.
4016 * config/bfin/bfin.md (movstrsi): Renamed to...
4017 (movstrsi): ...this.
4019 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4021 PR tree-optimization/26830
4023 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4024 (copy_prop_visit_stmt): Remove write-only variable ann.
4025 (init_copy_prop): Check variable loop depth here. Do not simulate
4026 memory-tag and virtual operand PHIs except for store copy prop.
4028 2006-03-30 Richard Guenther <rguenther@suse.de>
4030 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4031 variants with double arguments.
4033 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4035 * genpreds.c (write_tm_constrs_h): Delete variable p.
4036 * genconditions.c (write_header): Add tm-constrs.h to included
4038 * genpeep.c (main): Add toplev.h to included headers.
4039 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4040 (build/genpeep.o): Add toplev.h dependency.
4041 * config/rs6000/constraints.md: Add "W" constraint.
4043 2006-03-29 Roger Sayle <roger@eyesopen.com>
4045 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4046 sizes by correctly testing whether the size fits a host integer.
4047 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4048 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4049 SImode range for the default sizetype and bitsizetype.
4051 2006-03-29 Roger Sayle <roger@eyesopen.com>
4053 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4054 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4055 quickly if the argument is already of the correct type.
4056 Call fold_build1 instead of build1. Tidy up blank lines.
4058 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4060 * genemit.c (main): Add tm-constrs.h to included headers.
4061 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4062 * genpeep.c (main): Add tm-constrs.h to included headers.
4063 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4064 (write_tm_constrs_h): this and write complete file.
4065 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4066 (write_insn_preds_c): Add tm-constrs.h to included headers.
4067 (gen_constrs): New variable.
4068 (parse_option): Parse "-c".
4069 (main): Invoke write_tm_constrs_h.
4070 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4071 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4072 (object_out_file): Add tm-constrs.h dependency.
4073 (insn-emit.o): Same.
4074 (insn-output.o): Same.
4075 (insn-peep.o): Same.
4076 (insn-preds.o): Same.
4077 (insn-recog.o): Same.
4078 (tm-constsr.h): New target.
4079 (s-constrs-h): New target.
4081 * config/rs6000/constraints.md: New file.
4082 * config/rs6000/rs6000.c: Include tm-constrs.h.
4083 (num_insn_constant_wide): Convert to satisfies_constraint.
4084 (rs6000_rtx_costs): Convert to satisfies_constraint.
4085 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4086 (CONST_OK_FOR_LETTER_P): Delete.
4087 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4088 (EXTRA_CONSTRAINT): Delete.
4089 (EXTRA_MEMORY_CONSTRAINT): Delete.
4090 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4091 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4092 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4093 satisfies_constraint.
4095 * config/i386/i386.c: Include tm-constrs.h.
4097 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4099 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4100 * tree-data-ref.c (find_data_references_in_loop,
4101 compute_data_dependences_for_loop): Use pointers to VEC.
4102 (analyze_all_data_dependences): Adjust calls.
4103 * tree-data-ref.h (find_data_references_in_loop,
4104 compute_data_dependences_for_loop): Adjust declarations.
4105 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4106 compute_data_dependences_for_loop.
4108 2006-03-29 Paul Brook <paul@codesourcery.com>
4110 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4113 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4115 PR tree-optimization/26859
4116 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4118 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4119 for the step after fold_convert.
4121 2006-03-29 Paul Brook <paul@codesourcery.com>
4123 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4124 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4126 2006-03-29 Paul Brook <paul@codesourcery.com>
4129 * targhooks.c (default_narrow_bitfield): New fuction.
4130 * targhooks.h (default_narrow_bitfield): add prototype.
4131 * target.h (gcc_target): Add narrow_volatile_bitfield.
4132 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4133 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4134 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4135 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4137 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4139 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4141 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4142 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4143 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4144 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4145 (s390_function_arg_float): Allow SDmode and DDmode values to be
4146 passed in floating point registers.
4147 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4148 check with SCALAR_FLOAT_MODE_P.
4149 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4151 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4153 PR tree-optimization/25985
4154 * tree-ssa-loop-niter.c (number_of_iterations_le,
4155 number_of_iterations_ne): Make comments more precise.
4156 (number_of_iterations_cond): Add only_exit argument. Use the
4157 fact that signed variables do not overflow only when only_exit
4159 (loop_only_exit_p): New.
4160 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4161 number_of_iterations_cond.
4163 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4165 PR tree-optimization/26643
4166 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4169 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4171 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4172 (divsi3_i4_int): Likewise.
4174 2006-03-28 Roger Sayle <roger@eyesopen.com>
4176 * expr.c (emit_group_store): Only create a new pseudo reg if the
4177 quantity it needs to hold isn't already a suitable pseudo.
4179 2006-03-28 Jeff Law <law@redhat.com>
4181 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4182 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4184 2006-03-28 Roger Sayle <roger@eyesopen.com>
4186 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4187 the equivalent ~X & Y, and the symmetry related transformations.
4188 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4189 ~X & Y, and symmetry related transforms.
4191 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4193 Revert my 2006-03-27 patches.
4195 2006-03-28 Roger Sayle <roger@eyesopen.com>
4197 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4198 ~(T1)X, when T1 and T2 are integer types of the same precision
4199 and (T2)X isn't an extension.
4201 2006-03-28 Jeff Law <law@redhat.com>
4203 PR tree-optimization/26796
4204 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4205 need EH edge cleanups rather than purging them immediately.
4206 (eliminate_degenerate_phis): Handle queued EH cleanups.
4208 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4210 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4213 2006-03-27 Roger Sayle <roger@eyesopen.com>
4216 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4217 cast BIT_NOT_EXPR operand to the correct type.
4219 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4221 * tree-loop-linear.c: Don't include varray.h.
4222 (gather_interchange_stats, try_interchange_loops,
4223 linear_transform_loops): Use VEC instead of VARRAY.
4224 * lambda-mat.c: Don't include varray.h.
4225 * tree-chrec.c: Same.
4226 * lambda-trans.c: Same.
4227 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4228 VEC instead of VARRAY.
4229 * tree-vectorizer.h: Idem.
4230 * tree-data-ref.c (dump_data_references,
4231 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4232 initialize_data_dependence_relation, finalize_ddr_dependent,
4233 compute_all_dependences, find_data_references_in_loop,
4234 compute_data_dependences_for_loop, analyze_all_data_dependences,
4235 free_dependence_relation, free_dependence_relations,
4236 free_data_refs): Idem.
4237 * tree-data-ref.h (data_reference_p, subscript_p): New.
4238 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4239 VEC instead of VARRAY.
4240 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4241 (find_data_references_in_loop, compute_data_dependences_for_loop,
4242 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4243 dump_data_dependence_relations, free_dependence_relations,
4244 free_data_refs): Adjust declaration.
4245 (lambda_transform_legal_p): Move declaration here...
4246 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4247 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4248 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4249 vect_analyze_data_refs): Use VEC instead of VARRAY.
4250 * lambda.h (lambda_transform_legal_p): ...from here.
4251 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4252 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4253 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4254 tree-chrec.o): Don't depend on VARRAY_H.
4256 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4258 * rtl.def (Copyright): Update date.
4259 (DEPS_LIST): Change type of the second operand to 'int'.
4260 * target.h (Copyright): Update date.
4261 (struct gcc_target.speculate_insn): Change type of the second parameter
4263 * lists.c (Copyright): Update date.
4264 (alloc_DEPS_LIST): Change signature. Update reference to the second
4265 operand of the DEPS_LIST.
4266 (copy_DEPS_LIST_list): Update reference to the second operand of the
4268 * rtl.h (Copyright): Update date.
4269 (alloc_DEPS_LIST): Update signature.
4270 * sched-int.h (Copyright): Update date.
4271 (ds_t): Change typedef to 'int'.
4272 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4274 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4276 * haifa-sched.c (Copyright): Update date.
4277 (try_ready): Change condition to restore non-speculative pattern
4279 (process_insn_depend_be_in_spec): Code to keep probability of the
4280 speculative dependence non-decreasing.
4282 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4284 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4285 shut up the compiler.
4287 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4289 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4290 to use lib prefix for target.
4291 ($(T)libic_invalidate_array_4-200.a): Likewise.
4292 ($(T)libic_invalidate_array_4a.a): Likewise.
4294 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4295 J"orn Rennecke <joern.rennecke@st.com>
4297 * superh.opt: New file.
4298 * sh.c (boardtype, osruntime): Remove.
4299 * superh.h (SUBTARGET_OPTIONS): Remove.
4300 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4302 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4303 arguments with ^ and/or [].
4305 * config.gcc (sh-*-*): Add quoting to account for quirk of
4307 Replace == with = in enable_incomplete_targets test.
4309 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4310 with MASK_LITTLE_ENDIAN.
4312 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4313 * config/sh/sh.opt: Added to some comments.
4314 * config/sh/superh.h: Removed some chaff.
4316 * config/sh/sh.opt: Add m4-[1234]00* options.
4317 * config/sh/sh.c (sh_handle_option): Likewise.
4318 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4319 (ic_invalidate_array_4-100.o): New rule.
4320 ($(T)libic_invalidate_array_4-100.a): Likewise.
4321 (ic_invalidate_array_4-200.o): Likewise.
4322 ($(T)libic_invalidate_array_4-200.a): Likewise.
4323 (ic_invalidate_array_4a.o): Likewise.
4324 ($(T)libic_invalidate_array_4a.a): Likewise.
4325 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4326 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4328 * config/sh/crt1.asm: Merged in profiling code.
4329 * config/sh/superh.h (STARTFILE_SPEC): Override.
4330 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4331 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4332 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4334 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4335 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4336 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4338 * sh.opt (mpretend-cmove): New option.
4339 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4340 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4341 (movsicc): Add TARGET_PRETEND_CMOVE code.
4343 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4345 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4346 s390_class_max_nregs): New function prototypes.
4347 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4348 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4349 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4350 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4352 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4354 * dwarf2out.c (add_location_or_const_value_attribute): Call
4355 tree_add_const_value_attribute if nothing else works.
4356 (reference_to_unused): New.
4357 (rtl_for_decl_init): Use reference_to_unused to decide whether
4358 to output an initializer.
4360 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4363 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4364 peephole removing spe frob_di_df_2.
4366 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4368 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4369 (subscript_dependence_tester_1): Declared.
4370 (print_dir_vectors, print_dist_vectors): New.
4371 (debug_data_dependence_relation): New.
4372 (dump_data_dependence_relation): Print more details.
4373 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4374 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4375 (save_dist_v, save_dir_v, add_outer_distances,
4376 build_classic_dist_vector_1): New.
4377 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4378 Don't test for lambda_vector_lexico_pos.
4379 (same_access_functions, add_multivariate_self_dist,
4380 add_other_self_distances, dir_from_dist): New.
4381 (build_classic_dir_vector): Replace implementation almost identical to
4382 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4384 (subscript_dependence_tester_1): New.
4385 (subscript_dependence_tester): Handle the lexicographically negative
4386 distance vectors by recomputing the dependence relation.
4387 (compute_affine_dependence): Remove parameter loop_nest_depth.
4388 (compute_self_dependence): Don't call compute_subscript_distance.
4389 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4390 Add a parameter for the loop_nest.
4391 (find_loop_nest_1, find_loop_nest): New.
4392 (compute_data_dependences_for_loop): Compute the loop nest, and give
4393 up if the nest is not well formed.
4394 * tree-data-ref.h (loop_p): New.
4395 (struct data_dependence_relation): Replace size_vect field with
4396 loop_nest, a vec of loops.
4397 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4398 (DDR_LOOP_NEST): New.
4399 (print_dir_vectors, print_dist_vectors,
4400 debug_data_dependence_relation): Declared.
4401 (index_in_loop_nest): New.
4402 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4403 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4406 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4408 * simplify-rtx.c (simplify_relational_operation): Call
4409 simplify_relational_operation_1 even if mode is VOIDmode.
4411 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4413 PR tree-optimization/26804
4414 * tree.h (DECL_CALL_CLOBBERED): New macro.
4415 (tree_decl_common): Add call_clobbered_flag.
4416 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4417 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4418 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4419 (mark_non_addressable): Ditto.
4420 * tree-ssa.c (verify_call_clobbered): New function.
4421 (verify_alias_info): Use it.
4422 * tree-pass.h (pass_reset_cc_flags): New prototype.
4423 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4424 (reset_cc_flags): New function.
4425 * passes.c (init_optimization_passes): Call reset_cc_flags after
4426 initializing referenced_vars.
4428 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4429 Roger Sayle <roger@eyesopen.com>
4432 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4433 to 1.0 for non-real operands. Implement A / A optimization for
4436 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4438 * config/i386/i386.c (size_cost): Correct the comment for
4439 cost of storing fp registers.
4440 (i386_cost): Likewise.
4441 (i486_cost): Likewise.
4442 (pentium_cost): Likewise.
4443 (pentiumpro_cost): Likewise.
4444 (k6_cost): Likewise.
4445 (athlon_cost): Likewise.
4446 (k8_cost): Likewise.
4447 (pentium4_cost): Likewise.
4448 (nocona_cost): Likewise.
4449 (generic64_cost): Likewise.
4450 (generic32_cost): Likewise.
4452 2006-03-24 Denis Chertykov <denisc@overta.ru>
4454 * config/avr/avr-protos.h (extra_constraint): Delete.
4455 (extra_constraint_Q): New declaration.
4456 * config/avr/constraints.md: New file.
4457 * config/avr/avr.md: Include it.
4458 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4459 (TMP_REGNO, ZERO_REGNO): Likewise.
4460 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4461 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4462 (extra_constraint): Delete.
4463 (extra_constraint_Q): Test for memory constraint 'Q'.
4464 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4465 (REG_CLASS_FROM_LETTER): Delete.
4466 (CONST_OK_FOR_LETTER_P): Delete.
4467 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4468 (EXTRA_CONSTRAINT): Delete.
4469 (TMP_REGNO): Delete.
4470 (ZERO_REGNO): Delete.
4472 2006-03-24 Jeff Law <law@redhat.com>
4474 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4475 directly. Call mark_new_vars_to_rename slightly earlier.
4477 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4479 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4481 (gen_compile_unit_die): Use new language types for Objective-C and
4483 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4484 DW_LANG_C_plus_plus.
4487 * config/t-darwin (crt3.o): Work around bug 26840.
4488 * config/darwin-crt3.c: Rewrite.
4489 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4491 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4493 * doc/invoke.texi: Document -femit-class-debug-always
4494 * common.opt: Add -femit-class-debug-always.
4496 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4498 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4499 index and base register.
4500 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4501 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4502 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4503 REGNO_OK_FOR_INDEX_P.
4504 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4506 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4507 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4508 REG_OK_FOR_BASE_P): Definitions removed.
4510 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4513 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4514 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4515 set yet or weren't marked as local yet.
4517 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4519 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4522 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4524 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4525 (rs6000_legitimate_small_data_p): Delete.
4526 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4527 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4528 and make static. Add forward declaration. Update uses.
4529 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4530 of offsettable_memref_p.
4531 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4532 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4534 2006-03-24 Jeff Law <law@redhat.com>
4536 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4537 around bug in immediate-use iterator.
4539 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4542 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4543 or __LITTLE_ENDIAN__.
4545 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4547 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4548 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4549 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4550 * config/sh/sh.opt (mdiv=): Amend description.
4551 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4552 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4553 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4554 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4555 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4556 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4557 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4558 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4559 TARGET_DIVIDE_CALL_FP.
4561 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4563 * haifa-sched.c (choose_ready): Fix type of the local variable.
4564 Move local variables. Add comment.
4565 (check_reg_live): Change signature. Make callable from debugger.
4566 * sched-int.h (check_reg_live): Update signature.
4567 * sched-ebb.c (check_reg_live): Update parameters.
4568 * sched-rgn.c (check_reg_live): Ditto.
4569 (region_head_or_leaf_p): Check pointer before dereferencing.
4570 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4571 before reload on optimization levels below 1.
4573 2006-03-23 Richard Henderson <rth@redhat.com>
4575 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4579 * config/alpha/predicates.md (local_symbolic_operand): Reject
4582 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4585 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4586 expressions which have overflowed constants.
4588 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4590 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4592 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4594 * cfgloopmanip.c (create_loop_notes): Removed.
4595 * final.c (final_scan_insn): Do not handle loop notes.
4596 * jump.c (squeeze_notes): Ditto.
4597 * cfglayout.c (skip_insns_after_block,
4598 duplicate_insn_chain): Ditto.
4599 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4601 * cfgloop.h (create_loop_notes): Declaration removed.
4603 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4605 * varasm.c (output_constant_pool): Restore fnname and fndecl
4607 (assemble_start_function): Adjust call accordingly.
4608 (assemble_end_function): Likewise.
4610 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4613 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4616 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4618 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4621 * system.h (ICE_EXIT_CODE): New macro.
4622 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4623 (diagnostic_action_after_output): Likewise.
4624 * gcc.c (fatal_ice): New function.
4625 (execute): Use it instead of fatal.
4626 (fancy_abort): Likewise.
4627 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4629 2006-03-22 Jeff Law <law@redhat.com>
4631 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4632 iv_analyze_result returning false.
4634 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4636 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4638 2006-03-22 Richard Henderson <rth@redhat.com>
4641 * except.c (duplicate_eh_regions_0): New.
4642 (duplicate_eh_region_1): Duplicate the children of the node as
4643 well as the node itself. Link them up properly.
4644 (duplicate_eh_region_2): Merge into ...
4645 (duplicate_eh_regions): ... here. Take copy_region argument, and
4646 copy only a sub-tree if asked. Simplify copying and fixup.
4647 (eh_region_outer_p): New.
4648 * except.h (duplicate_eh_regions): Update decl.
4649 (eh_region_outer_p): Declare.
4650 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4651 (lower_omp_master): Likewise.
4652 (lower_omp_ordered): Likewise.
4653 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4654 (move_stmt_r): Use it to remap labels. Handle recursion vs
4655 remap_decls_p properly.
4656 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4657 (find_outermost_region_in_block): New.
4658 (new_label_mapper): New.
4659 (move_sese_region_to_fn): Copy eh information to the new function
4661 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4663 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4666 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4668 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4669 into shared libraries.
4671 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4673 * doc/md.texi: Refer to i386/constraints.md instead of
4675 * config/i386/constraints.md: New file, extracted from...
4676 * config/i386/predicates.md: ...here.
4677 * config/i386/i386.md: Include constraints.md.
4679 2006-03-21 Jason Merrill <jason@redhat.com>
4681 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4684 * expr.c (init_block_move_fn): Force default visibility.
4685 (init_block_clear_fn): Likewise.
4686 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4687 * targhooks.c (default_external_stack_protect_fail): Likewise.
4689 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4691 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4692 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4693 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4694 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4695 (loadgp): Use mips_current_loadgp_style.
4696 (loadgp_noshared): New pattern.
4697 (sibcall_internal): Use MIPS_CALL.
4698 (sibcall_value_internal): Likewise.
4699 (sibcall_value_multiple_internal): Likewise.
4700 (call_internal): Likewise.
4701 (call_value_internal): Likewise.
4702 (call_value_multiple_internal): Likewise.
4703 (call_split): Use MIPS_CALL and add an 'S' constraint.
4704 (call_value_split): Likewise.
4705 (call_value_multiple_split): Likewise.
4706 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4707 (-mshared): New option.
4708 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4709 (mips_current_loadgp_style): Declare.
4710 * config/mips/mips.c (mips_classify_symbol): Avoid using
4711 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4712 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4713 TARGET_ABSOLUTE_ABICALLS.
4714 (override_options): Adjust comments. Improve the warning that is
4715 issued when -mabicalls and -G are used together.
4716 (mips_file_start): Remove comment.
4717 (mips_current_loadgp_style): New function.
4718 (mips_gnu_local_gp): New variable.
4719 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4721 (mips_output_function_prologue): Use mips_current_laodgp_style.
4722 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4723 the cprestore instruction.
4724 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4725 live for TARGET_ABSOLUTE_ABICALLS.
4726 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4727 (ASM_SPEC): Pass down -mshared and -mno-shared.
4728 (MIPS_CALL): New macro.
4729 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4731 * doc/invoke.texi (-mabicalls): Update documentation.
4732 (-mshared): Document.
4734 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4736 * config/ia64/unwind-hpux.c: New file.
4737 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4739 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4742 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4744 2006-03-21 Jeff Law <law@redhat.com>
4746 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4747 type conversions of a VR_VARYING source to a wider type.
4749 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4751 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4752 tm_file on Solaris 10 and later.
4753 (sparc64-*-solaris2*): Likewise.
4754 (sparc-*-solaris2*): Likewise.
4755 * config/sol26.h: Rename to config/sol2-6.h.
4756 * config/sol2-10.h: New file.
4758 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4761 * tree-ssa-pre.c (create_component_ref_by_pieces):
4764 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4767 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4768 return it immediately.
4770 2006-03-21 Michael Matz <matz@suse.de>
4772 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4774 (remove_arc, add_arc): Update num_out_arcs member.
4775 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4777 (cache_presence): New function.
4778 (compare_states_for_equiv): New function.
4779 (state_is_differed): Don't take number of outargs, adjust callers.
4780 Use new invariant for speeding up.
4781 (init_equiv_class): Create initial classes based on sorted
4783 (partition_equiv_class): Don't track out_arcs_num.
4784 (evaluate_equiv_classes): Call cache_presence on all states and
4787 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4789 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4790 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4791 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4792 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4794 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4795 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4796 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4797 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4798 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4800 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4801 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4802 (REGNO_REG_CLASS): ARGP is in PREGS.
4803 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4805 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4806 to deal with those addresses.
4807 * addresses.h: New file.
4808 * caller-save.c: Include "addresses.h".
4809 (init_caller_save): Use new base_reg_class function.
4810 * rtl-factoring.c: Include "addresses.h".
4811 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4812 * recog.c: Include "addresses.h".
4813 (preprocess_constraints): Use new base_reg_class function.
4814 * regrename.c: Include "addresses.h".
4815 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4816 functions. Keep track of a new var INDEX_CODE to compute valid
4818 (replace_oldest_value_addr): Likewise.
4819 (replace_oldest_value_mem): Use base_reg_class.
4820 * reload.c: Include "addresses.h".
4821 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4822 (find_reloads): Use new base_reg_class function.
4823 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4824 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4825 all callers and prototype changed.
4826 * reload1.c: Include "addresses.h".
4827 (maybe_fix_stack_asms): Use base_reg_class.
4828 * regclass.c: Include "addresses.h".
4829 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4830 (init_reg_autoinc): Use new base_reg_class function.
4831 (record_reg_classes): Likewise.
4832 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4833 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4834 Use new args to compute necessary class.
4836 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4837 regrename.o, rtl-factoring.o): Update dependencies.
4838 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4839 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4840 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4841 REG_OK_FOR_INDEX_P): Delete documentation.
4843 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4845 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4846 from V7 to V9 for Solaris 7 and above.
4848 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4850 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4851 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4852 argument pointers may not alias any other storage.
4853 * common.opt: Define option -fargument-noalias-anything.
4854 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4855 alias semantics is specified by flag_argument_noalias > 2.
4857 2006-03-20 Jeff Law <law@redhat.com>
4859 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4860 (pass_phi_only_cprop): Declare.
4861 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4863 * tree-ssa-dom.c (degenerate_phi_result): New function.
4864 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4865 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4866 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4867 (eliminate_degenerate_phis): Likewise.
4868 (pass_phi_only_cprop): New pass descriptor.
4869 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4870 support code. Callers updated.
4871 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4872 (store_copy_prop): Likewise.
4873 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4875 2006-03-20 Jason Merrill <jason@redhat.com>
4878 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4879 (push_visibility, pop_visibility): Likewise.
4880 * c-pragma.h: Declare them.
4882 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4884 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4886 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4887 parameter and use get_ebb_head_tail.
4888 (sh_md_init_global): Adjust uses of find_regmode_weight.
4890 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4892 * function.h (struct function) <x_tail_recursion_reentry>:
4893 Rename to x_stack_check_probe_note.
4894 (tail_recursion_reentry): Rename to stack_check_probe_note.
4895 * function.c: Replace tail_recursion_reentry with
4896 stack_check_probe_note everywhere.
4897 (expand_function_start): Only emit a note for
4898 stack_check_probe_note with -fstack-protect.
4899 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4901 * emit-rtl.c (remove_unnecessary_notes): Remove.
4902 (pass_remove_unnecessary_notes): Remove.
4903 * rtl.h (remove_unnecessary_notes): Remove prototype.
4904 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4905 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4906 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4908 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4911 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4912 (valid_in_set): Handle ARRAY_REF.
4913 Change "if min_variant or VH" to asserts.
4914 (create_component_ref_by_pieces): Handle ARRAY_REF.
4915 (create_expression_by_pieces): Likewise.
4916 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4918 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4920 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4921 is operand of switch, not str[0].
4923 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4925 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4926 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4928 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4930 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4931 end of insn_extra_address_constraint declaration.
4933 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4935 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4936 (no-sum-in-toc): Same.
4937 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4939 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4940 NO_FP_IN_TOC for -fPIC instead of mask.
4942 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4943 (BOOT_LDFLAGS): Delete.
4945 * config/rs6000/t-aix52: Same.
4947 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4948 (stmsi[345678]_power): New.
4950 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4952 * config/ia64/ia64.opt: Add empty line to end of file.
4954 2006-03-17 Richard Guenther <rguenther@suse.de>
4957 * builtins.c (get_pointer_alignment): For component style references
4958 adjust alignment to the component type alignment. Make sure
4959 to adjust alignment for component access of constants.
4961 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4963 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4966 2006-03-17 Paul Brook <paul@codesourcery.com>
4968 * doc/install.texi: Docuemnt --with-mode.
4969 * config.gcc: Add --with-mode for arm*-*-*.
4970 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4972 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4974 * sh.c (max_labelno_before_reorg): New variable.
4975 (sh_reorg): Initialize it.
4976 (find_barrier): Check max_labelno_before_reorg before using
4977 label_to_alignment. Take length of explicit alignment insns
4978 into account. When seeing a UNSPECV_CONST_END, return it.
4980 * sh.c (fixup_mova): Set mode of affected label to QImode.
4981 (untangle_mova): New function.
4982 (find_barrier): Use it. Check mode of label before decrementing
4984 (sh_reorg): Likewise.
4985 Set mode of all insns back to VOIDmode.
4987 * sh.c (MOVA_LABELREF): New macro.
4988 (mova_p, fixup_mova, sh_reorg): Use it.
4989 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4990 ADDR_DIFF_VEC matches mova.
4992 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4994 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4995 with ATTRIBUTE_UNUSED.
4997 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4999 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5000 pointer, instead of assuming it is possible to derive the
5001 correct args size from a call insn.
5003 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5005 * rtl.h (CONST_INT_P): Define.
5006 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5007 instead of GET_CODE(x) == CONST_INT.
5008 (vax_rtx_costs): Likewise.
5009 (vax_output_int_move): Likewise.
5010 (vax_output_int_add): Likewise.
5011 (legitimate_constant_address_p): Likewise.
5012 (index_term_p): Likewise.
5013 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5014 * config/vax/vax.md (and<mode>3): Likewise.
5015 (ashrsi3): Likewise.
5017 (movstricthi): Likewise.
5018 (movstrictqi): Likewise.
5019 (rotrsi3): Likewise.
5020 (five unnamed insns): Likewise.
5022 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5024 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5025 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5026 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5027 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5028 Pass to ASM_OUTPUT_DWARF_OFFSET.
5029 * dwarf2out.c (debug_frame_section): New.
5030 (output_call_frame_info): Use debug_frame_section. Pass it to
5031 dw2_asm_output_offset.
5032 (output_die): Pass appropriate section to dw2_asm_output_offset.
5033 (output_compilation_unit_header): Likewise.
5034 (output_pubnames): Likewise.
5035 (output_aranges): Likewise.
5036 (enum dw_val_class): Break dw_val_class_lbl_offset into
5037 dw_val_class_lineptr and dw_val_class_macptr.
5038 (add_AT_lbl_offset): Delete.
5039 (add_AT_lineptr): New.
5040 (add_AT_macptr): New.
5041 (AT_lbl): Expect a lineptr or macptr.
5042 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5043 (attr_checksum): Likewise.
5044 (same_dw_val_p): Likewise.
5045 (size_of_die): Likewise.
5046 (value_format): Likewise.
5047 (output_die): Likewise.
5048 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5050 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5051 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5052 * config/darwin-protos.h (darwin_file_start): New.
5053 (darwin_asm_output_dwarf_offset): New.
5054 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5055 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5057 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5058 if not EH section; simplify.
5059 (darwin_file_start): New.
5060 (darwin_asm_output_dwarf_offset): New.
5061 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5063 (DEBUG_INFO_SECTION): Likewise.
5064 (DEBUG_ABBREV_SECTION): Likewise.
5065 (DEBUG_ARANGES_SECTION): Likewise.
5066 (DEBUG_MACINFO_SECTION): Likewise.
5067 (DEBUG_LINE_SECTION): Likewise.
5068 (DEBUG_LOC_SECTION): Likewise.
5069 (DEBUG_PUBNAMES_SECTION): Likewise.
5070 (DEBUG_STR_SECTION): Likewise.
5071 (DEBUG_RANGES_SECTION): Likewise.
5072 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5073 (ASM_OUTPUT_DWARF_OFFSET): New.
5075 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5077 * config.gcc (tm_defines): Always add to previous value rather
5080 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5082 * config/mips/predicates.md (splittable_const_int_operand): New,
5083 split from move_operand.
5084 (splittable_symbolic_operand): New.
5085 (move_operand): Add commentary. Use splittable_const_int_operand.
5086 Inline mips_atomic_symbolic_constant_p.
5087 * config/mips/mips.md: Add combine splitters for handling moves
5088 of splittable_const_int_operands and splittable_symbolic_operands.
5089 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5090 (mips_split_symbol): Declare.
5091 (mips_move_integer): Declare.
5092 * config/mips/mips.c (mips_split_p): Make global.
5093 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5094 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5095 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5096 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5097 (mips_offset_within_object_p): Handle block symbols.
5098 (mips_atomic_symbolic_constant_p): Delete.
5099 (mips_cannot_force_const_mem): Return false for constants that
5100 mips_legitimize_move can handle.
5101 (mips_use_blocks_for_constant_p): New function.
5102 (mips_split_symbol): Make global.
5103 (mips_move_integer): Likewise. Add a temporary register argument.
5104 (mips_legitimize_const_move): Use splittable_const_int_operand and
5105 splittable_symbolic_operand.
5106 (mips_use_anchors_for_symbol_p): New function.
5107 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5108 (mips_split_p): Declare.
5110 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5112 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5113 (mips*-*-linux*): Likewise.
5115 2006-03-16 Roger Sayle <roger@eyesopen.com>
5116 Daniel Speyer <dspeyer@wam.umd.edu>
5119 * tree-dump.c (dump_real): New function.
5120 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5121 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5122 (tree-dump.o): Add $(REAL_H) to the dependencies.
5124 2006-03-16 Roger Sayle <roger@eyesopen.com>
5127 * real.c (real_from_string): If the mantissa is zero, don't bother
5128 parsing the exponent as the result should always be zero.
5130 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5132 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5134 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5136 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5137 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5138 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5139 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5140 ia64_sched_finish_global): New static functions to implement
5141 hooks from gcc_target.sched.
5142 (spec_check_no, max_uid, pending_data_specs): New static variables.
5143 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5144 ia64_spec_check_src_p): New static functions.
5145 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5146 (TARGET_SCHED_ADJUST_COST): Removed.
5147 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5148 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5149 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5150 TARGET_SCHED_GEN_CHECK,
5151 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5152 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5153 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5154 Fixed to handle speculation checks.
5155 (rtx_needs_barrier): Fixed to handle speculative loads and
5157 (ia64_variable_issue): Added code to count speculative loads and their
5159 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5161 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5163 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5165 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5166 (ia64_reorg): Reset stops_p to NULL after it is freed.
5167 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5168 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5169 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5171 (data_speculative, control_speculative, check_load): New attributes.
5172 (mov<mode>_advanced, mov<mode>_speculative,
5173 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5174 zero_extend<mode>di2_speculative,
5175 zero_extend<mode>di2_speculative_advanced): New patterns for
5176 data and control speculative loads.
5177 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5179 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5180 New pattern for data and control speculation checks.
5181 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5182 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5183 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5184 Auxiliary definitions for the patterns.
5185 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5186 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5188 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5190 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5191 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5192 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5193 New resource constraints.
5194 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5196 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5197 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5198 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5199 msched-in-control-spec, msched-ldc, msched-control-ldc,
5200 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5201 msched-prefer-non-control-spec-insns,
5202 msched-count-spec-in-critical-path): New flags to tune speculative
5204 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5205 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5206 msched-in-control-spec, msched-ldc, msched-control-ldc,
5207 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5208 msched-prefer-non-control-spec-insns,
5209 msched-count-spec-in-critical-path): Document new flags.
5211 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5213 * target.h (struct spec_info_def): New opaque declaration.
5214 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5215 speculate_insn, needs_block_p, gen_check,
5216 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5217 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5218 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5219 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5220 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5221 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5223 (TARGET_SCHED): Use new macros.
5224 * rtl.h (copy_DEPS_LIST_list): New prototype.
5225 * sched-int.h (struct sched_info): Change signature of new_ready field,
5226 adjust all initializations. New fields: add_remove_insn,
5227 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5228 region_head_or_leaf_p.
5229 (struct spec_info_def): New structure declaration.
5230 (spec_info_t): New typedef.
5231 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5232 recovery_block, orig_pat.
5233 (glat_start, glat_end): New variables declaraions.
5234 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5236 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5237 DETACH_LIFE_INFO, USE_GLAT.
5238 (enum SPEC_SCHED_FLAGS): New enumeration.
5239 (NOTE_NOTE_BB_P): New macro.
5240 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5241 attach_life_info, debug_spec_status, check_reg_live): New functions.
5242 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5243 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5245 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5246 * ddg.c (get_block_head_tail): Adjust all uses.
5247 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5248 (sms_sched_info): Initialize new fields.
5249 (contributes_to_priority): Removed.
5250 * haifa-sched.c (params.h): New include.
5251 (get_block_head_tail): Adjust all uses.
5252 (ISSUE_POINTS): New macro.
5253 (glat_start, glat_end): New global variables.
5254 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5255 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5256 old_last_basic_block, before_recovery, current_sched_info_var,
5257 rgn_n_insns, luid): New static variables.
5258 (insn_cost1): New function. Move logic from insn_cost to here.
5259 (find_insn_reg_weight1): New function. Move logic from
5260 find_insn_reg_weight to here.
5261 (reemit_notes, move_insn, max_issue): Change signature.
5262 (move_insn1): Removed.
5263 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5264 extend_bb): New static functions to support extension of scheduler's
5266 (generate_recovery_code, process_insn_depend_be_in_spec,
5267 begin_speculative_block, add_to_speculative_block,
5268 init_before_recovery, create_recovery_block, create_check_block_twin,
5269 fix_recovery_deps): New static functions to support
5270 generation of recovery code.
5271 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5272 restore_bb_notes, move_block_after_check, move_succs): New static
5273 functions to support ebb scheduling.
5274 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5275 functions to support handling of register live information.
5276 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5277 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5278 add_jump_dependencies): New static functions.
5279 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5280 consistancy checking.
5281 (debug_spec_status): New function to call from debugger.
5282 (priority): Added code to handle speculation checks.
5283 (rank_for_schedule): Added code to distinguish speculative instructions.
5284 (schedule_insn): Added code to handle speculation checks.
5285 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5286 Fixed to handle ebbs.
5287 (move_insn): Added code to handle ebb scheduling.
5288 (max_issue): Added code to use ISSUE_POINTS of instructions.
5289 (choose_ready): Added code to choose between speculative and
5290 non-speculative instructions.
5291 (schedule_block): Added code to handle ebb scheduling and scheduling of
5292 speculative instructions.
5293 (sched_init): Initialize new variables.
5294 (sched_finish): Free new variables. Print statistics.
5295 (try_ready): Added code to handle speculative instructions.
5296 * lists.c (copy_DEPS_LIST_list): New function.
5297 * sched-deps.c (extend_dependency_caches): New function. Move logic
5298 from create_dependency_caches to here.
5299 (get_dep_weak, ds_merge): Make global.
5300 * genattr.c (main): Code to output prototype for
5301 dfa_clear_single_insn_cache.
5302 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5303 (output_dfa_clean_insn_cache_func): Code to output
5304 dfa_clear_single_insn_cache function.
5305 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5307 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5309 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5310 New static variables.
5311 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5312 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5314 (ebb_sched_info): Initialize new fields.
5315 (get_block_head_tail): Adjust all uses.
5316 (compute_jump_reg_dependencies): Fixed to use glat_start.
5317 (schedule_ebb): Code to remove unreachable last block.
5318 (schedule_ebbs): Added code to update register live information.
5319 * sched-rgn.c (region_sched_info): Initialize new fields.
5320 (get_block_head_tail): Adjust all uses.
5321 (last_was_jump): Removed. Adjust users.
5322 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5323 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5324 Implement new hooks.
5325 (check_dead_notes1): New static function.
5326 (struct region): New fields: dont_calc_deps, has_real_ebb.
5327 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5328 (BB_TO_BLOCK): Fixed to handle EBBs.
5329 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5330 (ebb_head): New static variable.
5331 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5332 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5334 (compute_dom_prob_ps): New assertion.
5335 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5336 global_live_at_start.
5337 (init_ready_list): New assertions.
5338 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5339 (new_ready): Add support for BEGIN_CONTROL speculation.
5340 (schedule_insns): Fixed code that updates register live information
5342 (schedule_region): Fixed to handle EBBs.
5343 (init_regions): Use extend_regions and check_dead_notes1.
5344 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5345 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5346 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5347 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5348 TARGET_SCHED_GEN_CHECK,
5349 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5350 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5351 * doc/invoke.texi (max-sched-insn-conflict-delay,
5352 sched-spec-prob-cutoff): Document.
5354 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5356 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5357 inter_tick, queue_index.
5358 (struct sched_info): Change signature of init_ready_list field.
5359 Adjust all initializations.
5360 (RESOLVED_DEPS): New access macro.
5361 (ready_add): Remove prototype.
5362 (try_ready): Add prototype.
5363 * sched-rgn.c (init_ready_list): Use try_ready.
5364 (schedule_region): Initialize
5365 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5366 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5367 (init_ready_list): Use try_ready.
5368 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5369 * lists.c (remove_list_elem): Remove `static'.
5370 (remove_free_INSN_LIST_elem): New function.
5371 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5372 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5373 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5375 (readyp): New variable.
5376 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5377 change_queue_index, resolve_dep): New static functions.
5378 (try_ready): New function. Adjust callers in sched-rgn.c and
5379 sched-ebb.c to use it instead of ready_add.
5380 (clock_var): Move at the begining of file.
5381 (rank_for_schedule): Fix typo.
5382 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5383 (ready_lastpos): Enforce assertion.
5384 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5386 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5387 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5388 (queue_to_ready): Use free_INSN_LIST_list.
5389 (early_queue_to_ready): Fix typo.
5390 (schedule_block): Init readyp. Move init_ready_list call after the
5391 initialization of clock_var. Fix error in rejecting insn by
5392 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5393 that previously corrected INSN_TICKs. Add code for handling
5395 (set_priorities): Fix typo.
5396 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5397 Clarify comment and code that keeps current_sched_info->next_tail
5400 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5402 * sched-rgn.c (extend_rgns): New static function.
5403 (find_rgns): Use it.
5404 (gather_region_statistics, print_region_statistics): New static
5406 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5407 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5409 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5410 Andrey Belevantsev <abel@ispras.ru>
5412 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5413 * lists.c (unused_deps_list): New variable.
5414 (free_list): Add assertions to verify the proper distinguishing
5415 between INSN_LISTs and DEPS_LISTs.
5416 (find_list_elem, remove_list_elem, remove_list_node): New static
5418 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5419 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5420 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5421 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5423 (free_INSN_LIST_node): Likewise.
5424 * modulo-sched.c (current_sched_info): Initialize flags field.
5425 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5426 * rtl.def (DEPS_LIST): Define.
5427 * rtl.h: Declare new functions from lists.c.
5428 * sched-deps.c (spec_dependency_cache): New static variable.
5429 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5430 (add_dependence): Change return type to void. Move the logic to ...
5431 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5432 (delete_all_dependences): Add comment about forward_dependency_cache.
5433 Handle spec_dependency_cache. Handle DEPS_LISTs.
5434 (fixup_sched_groups): Clarify the change of priority of output
5435 and anti dependencies.
5436 (sched_analyze_2): Adjust add_dependence calls to create data
5437 speculative dependence.
5438 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5439 Adjust all callers. Handle DEPS_LISTS.
5440 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5441 presence of speculation.
5442 (init_dependency_caches, free_dependency_caches):
5443 Handle spec_dependency_cache.
5444 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5445 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5446 New static functions.
5447 (add_or_update_back_dep, add_or_update_back_forw_dep,
5448 add_back_forw_dep, delete_back_forw_dep): New functions.
5449 * sched-int.h (ds_t, dw_t): New typedefs.
5450 (struct sched_info): Add new field flags.
5451 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5452 Prototype new sched-deps.c functions.
5453 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5454 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5455 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5456 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5457 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5458 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5460 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5462 * sched-rgn.c (current_sched_info): Initialize flags field.
5463 (schedule_insns): Initialize current_sched_info before the sched_init
5465 * sched-ebb.c (current_sched_info): Initialize flags field.
5466 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5467 Call add_or_update_back_dep instead of add_dependence.
5468 Create control speculative dependencies.
5469 (schedule_insns): Initialize current_sched_info before the sched_init
5472 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5474 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5476 (sh_fallback_frame_state): Likewise.
5478 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5480 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5481 Do switch on default_use_cxa_atexit.
5482 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5483 * config/darwin-crt3.o: New.
5484 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5485 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5486 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5488 * config/rs6000/t-darwin: Move crt2.o building to here.
5489 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5490 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5493 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5495 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5496 from '! xxx' to '!xxx' for coding-style conformance.
5497 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5498 (EXTRA_CONSTRAINT): Likewise.
5499 * config/vax/vax.md (four unnamed insns): Likewise.
5501 2006-03-15 Paul Brook <paul@codesourcery.com>
5503 * config/arm/arm.c (minipool_pad): New.
5504 (add_minipool_forward_ref): Include pool alignment padding in address
5506 (push_minipool_fix): Set minipool_pad.
5507 (minipool_pad): Ditto.
5509 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5511 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5512 instead of GET_CODE() == MEM and REG_P() instead of
5514 (print_operand_address): Likewise.
5515 (vax_address_cost): Likewise.
5516 (vax_rtx_costs): Likewise.
5517 (vax_notice_update_cc): Likewise.
5518 (vax_output_int_add): Likewise.
5519 (INDEX_REGISTER_P): Likewise.
5520 (BASE_REGISTER_P): Likewise.
5521 (nonindexed_address_p): Likewise.
5522 (vax_mode_dependent_address_p): Likewise.
5523 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5524 (PRINT_OPERAND): Likewise.
5525 * config/vax/vax.md (ashlsi3): Likewise.
5526 (ashlsi3): Likewise.
5527 (some more unnamed insns): Likewise.
5529 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5531 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5532 iterator-style macro.
5533 (mark_control_dependent_edges_necessary): Update the use of
5534 EXECUTE_IF_CONTROL_DEPENDENT.
5536 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5538 * config/sh/predicates.md (cache_address_operand): Special.
5539 (ua_address_operand): Likewise.
5541 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5543 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5545 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5547 2006-03-15 Andreas Schwab <schwab@suse.de>
5549 * gensupport.c (identify_predicable_attribute): Don't free p_false
5550 when it is still in use.
5552 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5554 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5555 the default setting here.
5557 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5559 * tree-pass.h (pass_cfg): Remove.
5560 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5561 * passes.c (pass_cfg): Don't run it.
5563 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5565 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5566 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5568 (stack_regs_mentioned): Update the uses of
5569 stack_regs_mentioned_data. Don't access the array beyond its
5571 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5572 Don't include gt-reg-stack.h.
5574 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5575 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5577 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5580 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5583 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5585 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5587 2006-03-14 Richard Guenther <rguenther@suse.de>
5589 PR tree-optimization/26672
5590 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5593 2006-03-14 Richard Guenther <rguenther@suse.de>
5595 PR tree-optimization/26667
5596 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5597 node for the callees. Always allow inlining if it will shrink
5600 2006-03-14 Richard Guenther <rguenther@suse.de>
5603 * builtins.c (get_pointer_alignment): Prefer alignment
5604 information from decls over that from types.
5606 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5609 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5611 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5613 * config/rs6000/rs6000.opt (mdlmzb): New option.
5614 (msched-prolog, msched-epilog): Use Var not Mask.
5615 * doc/invoke.texi (-mdlmzb): Document.
5616 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5618 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5619 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5621 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5623 PR rtl-optimization/25739
5624 * bt-load.c (augment_live_range): Free tos pointer.
5626 * gensupport.c (identify_predicable_attribute): Free
5628 * gcov.c (create_file_names): Free name pointer.
5630 2006-03-13 Roger Sayle <roger@eyesopen.com>
5633 * stmt.c (emit_case_nodes): Handle the case where the index is a
5634 CONST_INT, where the comparison mode is specified by the index type.
5636 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5638 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5641 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5643 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5644 (*branch_fp_inverted): Likewise.
5646 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5649 * omp-low.c (expand_omp_for_generic): Mark istart0
5650 and iend0 as addressable.
5652 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5654 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5656 2006-03-13 Jeff Law <law@redhat.com>
5658 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5659 virtual operands are interesting.
5660 (vrp_visit_stmt): Corresponding changes.
5662 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5664 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5666 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5667 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5668 * config/bfin/crti.S: Use it instead of __PIC__.
5669 * config/bfin/crtn.S: Likewise.
5671 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5672 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5674 Lose 'G' modifier for call operand.
5675 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5676 recognize 'G' modifier.
5678 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5681 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5682 * stmt.c (expand_case): Likewise.
5684 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5686 PR rtl-optimization/26254
5687 * loop-invariant.c (seq_insns_valid_p): New function.
5688 (move_invariant_reg): Only emit new code if it is valid.
5690 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5692 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5694 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5695 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5696 (commit_one_edge_insertion): Do not look for loop notes.
5698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5700 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5701 flag_test_coverage out of loop.
5703 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5705 * final.c (shorten_branches): Remove outdated comment, and turn
5706 the if branch that guards it to continue.
5708 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5710 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5711 * cfgloop.h (struct loop): Remove unused fields.
5713 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5715 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5716 (-dL, -fdump-rtl-loop2): Update the dump file names
5718 * doc/invoke.texi: Update dump file names.
5720 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5722 * predict.c (estimate_probability): Remove.
5723 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5724 * basic-block.h (estimate_probability): Remove prototype.
5725 * passes.c (finish_optimization_passes): Dump branch prediction or
5726 profiling heuristics to the .profile tree dump.
5727 (init_optimization_passes): Unqueue pass_branch_prob.
5729 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5731 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5733 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5734 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5736 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5738 * function.h (frame_offset_overflow): Declare.
5739 * function.c (frame_offset_overflow): New function.
5740 (assign_stack_local_1): Call it to detect that the offset overflows.
5741 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5743 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5745 * config/sh/sh.c: Include alloc-pool.h.
5746 (label_ref_list_pool): New alloc pool.
5747 (label_ref_list_t): New type for lists of labels.
5748 (struct pool_node): Make wend a label_ref_list_t.
5749 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5751 (dump_table): Likewise.
5752 (sh_reorg): Set up the alloc pool before using add_constant and
5753 dump_table, and destroy it when finishing.
5755 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5757 * config/mips/mips.c: Remove redundant comment.
5759 2006-03-10 Jason Merrill <jason@redhat.com>
5762 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5763 the target was declared 'register'.
5765 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5767 * genpreds.c (write_insn_constraint_len): Change definition of
5768 insn_constraint_len to return size_t to match the declaration.
5770 2006-03-10 DJ Delorie <dj@redhat.com>
5772 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5774 (m32c_expand_insv): Fix test for an AND mask.
5776 2006-03-10 Richard Guenther <rguenther@suse.de>
5779 * builtins.c (get_pointer_alignment): Handle component
5780 references for field alignment.
5782 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5784 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5785 when building with libgloss.
5786 (sh*elf): Implement --without-fp option.
5787 (sh64-superh-linux*): Don't multilib.
5789 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5791 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5793 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5795 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5796 Set it when one of the replacement functions returned true.
5797 Return TODO_cleanup_cfg if cfgchanged is true.
5798 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5800 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5802 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5803 instead of gen_lowpart.
5805 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5807 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5809 (mips_output_order_conditional_branch): Declare.
5810 * config/mips/mips.h (MIPS_BRANCH): New macro.
5811 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5812 for the comparison. Use gen_condjump.
5813 (mips_output_conditional_branch): Rework interface to take the
5814 asm templates for a direct branch and the inverse of a direct branch.
5815 (mips_output_order_conditional_branch): New function.
5816 (mips_builtin_branch_and_move): New function.
5817 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5818 branch condition. Use gen_single_cc as the condition for
5819 __builtin_mips_upper_* or __builtin_mips_lower_*.
5820 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5821 Use VOIDmode for the branch condition.
5822 * config/mips/predicates.md (order_operator): New predicate.
5823 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5824 (branch_fp): Rename to...
5825 (*branch_fp): ...this. Remove mode from comparison operator.
5826 Use new mips_output_conditional_branch interface.
5827 (branch_fp_inverted): Rename to...
5828 (*branch_fp_inverted): ...this and update as for *branch_fp.
5829 (*branch_zero<mode>): Rename to...
5830 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5831 Use mips_output_order_conditional_branch. Only accept ordered
5833 (*branch_zero<mode>_inverted): Rename to...
5834 (*branch_order<mode>_inverted): ...this and update as for
5835 *branch_order<mode>.
5836 (*branch_equality<mode>): Accept zero as the second operand to
5837 the equality operator. Use the new mips_output_conditional_branch
5839 (*branch_equality<mode>_inverted): Likewise.
5840 (condjump): New expander.
5841 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5843 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5844 (bc1any2t, bc1any2f): Likewise.
5845 (single_cc): New expander.
5846 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5848 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5850 * doc/md.texi: Update documentation of MIPS constraints.
5851 * config/mips/constraints.md: New file.
5852 * config/mips/mips.md: Include it.
5853 * config/mips/mips.c (mips_char_to_class): Delete.
5854 (override_options): Don't initialize mips_char_to_class.
5855 * config/mips/mips.h (mips_char_to_class): Delete.
5856 (REG_CLASS_FROM_LETTER): Delete.
5857 (CONST_OK_FOR_LETTER_P): Delete.
5858 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5859 (EXTRA_CONSTRAINT_Y): Delete.
5860 (EXTRA_CONSTRAINT_STR): Delete.
5861 (CONSTRAINT_LEN): Delete.
5862 (EXTRA_MEMORY_CONSTRAINT): Delete.
5864 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5866 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5867 original fn's eh regions.
5869 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5871 * fold-const.c (build_range_check): Make sure to use a valid type to
5872 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5875 (range_predecessor): New static function.
5876 (range_successor): Likewise.
5877 (merge_ranges): Use them to compute predecessors and successors of
5880 2006-03-09 Roger Sayle <roger@eyesopen.com>
5883 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5884 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5886 2006-03-08 DJ Delorie <dj@redhat.com>
5888 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5889 (addpsi3): Expand to include memory operands. Remove
5890 reload-specific splits.
5891 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5892 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5893 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5894 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5895 (shift1_qi, shift1_hi, insv): New.
5896 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5897 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5898 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5900 * config/m32c/m32c-protos.h: Update as needed.
5901 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5902 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5903 Fail for unrecognized R* constraints.
5904 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5905 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5906 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5908 (m32c_init_libfuncs): New.
5909 (m32c_legitimate_address_p): Add debug wrapper.
5910 (m32c_rtx_costs): New.
5911 (m32c_address_cost): New.
5912 (conversions): Add 'B' prefix.
5913 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5914 operands, or word regnames for QI operands. 'B' prints bit
5916 (m32c_expand_setmemhi): New.
5917 (m32c_expand_movmemhi): New.
5918 (m32c_expand_movstr): New.
5919 (m32c_expand_cmpstr): New.
5920 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5921 (m32c_expand_neg_mulpsi3): Handle non-ints.
5922 (m32c_cmp_flg_0): New.
5923 (m32c_expand_movcc): New.
5924 (m32c_expand_insv): New.
5925 (m32c_scc_pattern): New.
5926 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5927 a0/a1 out of SIregs.
5928 (STORE_FLAG_VALUE): New.
5929 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5932 * config/m32c/mov.md: Make constraints more liberal.
5933 (zero_extendqihi2): Optimize r0/r1 case.
5934 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5935 * config/m32c/predicates.md (m32c_any_operand): New.
5936 (m32c_nonimmediate_operand): New.
5937 (m32c_hl_operand): New.
5938 (m32c_r3_operand): New.
5941 (memsym_operand): New.
5942 (memimmed_operand): New.
5943 (a_qi_operand): New.
5944 (m32c_eqne_operator): New.
5945 (m32c_1bit8_operand): New.
5946 (m32c_1bit16_operand): New.
5947 (m32c_1mask8_operand): New.
5948 (m32c_1mask16_operand): New.
5949 * config/m32c/blkmov.md: New file.
5950 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5952 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5954 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5955 unsigned to fix signed/unsigned comparison issue in
5956 DWARF2_FRAME_REG_OUT.
5957 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5958 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5960 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5961 of ptr into the ENABLE_CHECKING section.
5963 2006-03-08 Jeff Law <law@redhat.com>
5965 * tree-vrp.c (infer_value_range): Only count pointer uses
5966 and dereferences if -fdelete-null-pointer-checks is enabled.
5968 * tree-vrp.c (find_assert_locations): Infer value ranges for
5969 single use pointers, but do not create ASSERT_EXPRs for them.
5970 When a non-null range is inferred for a pointer, backwards
5971 propagate that range to other equivalent pointers through the
5974 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5977 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5978 language hook targets.
5979 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5980 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5981 if language hook targets were missing.
5983 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5985 * tree-ssa-opfinalize.h: Removed.
5986 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5988 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5989 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5990 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5991 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5992 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5993 finalize_ssa_v_must_def_ops): New.
5995 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5997 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6000 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6002 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6004 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6005 addresses with offsets; reorganize.
6007 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6008 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6009 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6011 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6014 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6016 2006-03-08 Ben Elliston <bje@au.ibm.com>
6018 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6020 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6023 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6026 2006-03-07 Richard Guenther <rguenther@suse.de>
6028 PR tree-optimization/26587
6029 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6031 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6033 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6035 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6037 * hooks.c (hook_bool_mode_rtx_true): New function.
6038 * hooks.h (hook_bool_mode_rtx_true): Declare.
6039 * toplev.c (compile_file): Call output_shared_constant_pool.
6040 * varasm.c (shared_constant_pool): New variable.
6041 (assemble_start_function, assemble_end_function): Remove arguments
6042 from call to output_constant_pool.
6043 (create_constant_pool): New function, split out from...
6044 (init_varasm_status): ...here.
6045 (force_const_mem): Choose between the shared and per-function constant
6046 pools. Set current_function_uses_const_pool when reusing old entries
6047 as well as when creating new ones.
6048 (mark_constant): Ignore data argument.
6049 (mark_constants): Remove pool argument.
6050 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6051 to decide whether the function uses a constant pool.
6052 (output_constant_pool_contents): New function, split out from...
6053 (output_constant_pool): ...here.
6054 (output_shared_constant_pool): New function.
6055 (init_varasm_once): Initialize shared_constant_pool.
6056 * output.h (output_constant_pool): Delete.
6057 (output_shared_constant_pool): Declare.
6058 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6059 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6061 2006-03-06 Nick Clifton <nickc@redhat.com>
6063 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6064 flag_strength_reduce.
6066 2006-03-06 Ben Elliston <bje@au.ibm.com>
6068 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6069 x86_64-*-linux* configurations.
6071 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6072 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6074 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6076 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6078 * basic-block.h: Remove the extern for
6079 rediscover_loops_after_threading.
6081 * cfgloop.c (cancel_loop): Make it static.
6082 * cfgloop.h: Remove the prototype for cancel_loop.
6084 * flow.c (recompute_reg_usage): Make it static.
6085 * rtl.h: Remove the prototype for recompute_reg_usage.
6087 * function.c (use_return_register): Make it static.
6088 * function.h: Remove the prototype.
6090 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6092 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6094 * recog.h: Remove the prototype for
6095 validate_change_maybe_volatile.
6097 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6099 * rtlanal.c (replace_reg): Remove.
6100 * rtl.h: Remove the prototype for replace_reg.
6102 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6104 * regclass.c (reg_scan_update): Remove.
6105 (reg_scan_mark_refs): Remove the last argument.
6106 * rtl.h: Remove the prototype for reg_scan_update.
6108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6110 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6111 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6112 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6113 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6114 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6115 loop-invariant.c, omp-low.c, opts.c, passes.c,
6116 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6117 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6118 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6119 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6120 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6121 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6123 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6125 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6126 * dwarf2out.h: Remove the prototype for
6127 dwarf2out_add_library_unit_info.
6129 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6131 * tree.c (add_var_to_bind_expr): Remove.
6132 * tree.h: Remove the prototype for add_var_to_bind_expr.
6134 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6136 * regclass.c (n_non_fixed_regs): Remove.
6137 (init_reg_sets_1, globalize_reg): Remove all uses of
6139 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6143 * rtlanal.c (insns_safe_to_move_p): Remove.
6144 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6146 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6148 * expmed.c (expand_mult_add): Remove.
6149 * expr.h: Remove the prototype for expand_mult_add.
6151 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6153 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6154 and REG_SAVED_VAL_EXP constants.
6155 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6156 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6157 Handle regs stored by value.
6158 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6159 (execute_cfa_program): Handle DW_CFA_val_offset,
6160 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6161 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6162 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6163 (uw_install_context_1): Handle target regs stored by value.
6165 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6167 * tree-sra.c (tree_sra): Return todoflags;
6168 (generate_one_element): Set TODO_update_smt_usage if needed.
6169 (pass_sra): Remove TODO_update_smt_usage.
6170 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6172 (tree_ssa_forward_propagate_single_use_vars): Return
6173 TODO_update_smt_usage if we need to update SMT usage.
6174 (pass_forwprop): Remove TODO_update_smt_usage.
6176 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6178 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6179 (correct_use_link): Remove reference to get_stmt_operands.
6180 (update_stmt_operands): Likewise.
6181 (get_modify_expr_operands): New function factored out of
6182 parse_ssa_operands and get_expr_operands.
6183 Try to create V_MUST_DEFs for LHS by default.
6184 (get_expr_operands) <case MODIFY_EXPR>: Call
6185 get_modify_expr_operands.
6186 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6187 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6188 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6189 get_modify_expr_operands.
6191 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6193 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6194 * tree-flow.h: Remove the prototype for
6195 referenced_var_lookup_if_exists.
6197 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6199 PR rtl-optimization/26345
6201 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6203 2006-03-03 Roger Sayle <roger@eyesopen.com>
6205 PR tree-optimization/26524
6206 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6207 fold_convert to create a constant of the appropriate type.
6209 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6211 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6212 SYMBOL_REF_IN_BLOCK_P.
6213 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6214 of SYMBOL_FLAG_IN_BLOCK.
6215 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6216 instead of SYMBOL_REF_IN_BLOCK_P.
6217 * explow.c (use_anchored_address): Likewise.
6218 * rtl.c (rtx_size): Likewise.
6219 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6220 instead of SYMBOL_FLAG_IN_BLOCK.
6221 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6222 SYMBOL_REF_IN_BLOCK_P.
6223 (assemble_variable): Likewise.
6224 (output_constant_def_contents): Likewise.
6225 (output_constant_pool): Likewise.
6226 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6227 instead of SYMBOL_FLAG_IN_BLOCK.
6228 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6229 SYMBOL_REF_IN_BLOCK_P.
6230 (SYMBOL_REF_BLOCK): Likewise.
6231 (SYMBOL_REF_OFFSET): Likewise.
6232 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6233 SYMBOL_REF_IN_BLOCK_P.
6234 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6235 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6236 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6237 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6239 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6241 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6243 2006-03-02 Roger Sayle <roger@eyesopen.com>
6245 * simplify-rtx.c (simplify_unary_operation): When simplifying
6246 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6247 that we perform the right shift in the appropriate mode, and
6248 then extend or truncate the result to requested mode.
6250 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6252 * gengtype.c (main): Handle double_int type.
6253 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6254 * double-int.c: New file.
6255 * double-int.h: New file.
6256 * system.h: Include doubleint.h.
6257 * Makefile.in (SYSTEM_H): Include double-int.h.
6258 (double-int.o): Add.
6260 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6263 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6266 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6268 * tree-vrp.c (remove_range_assertions): Do not update statements
6271 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6273 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6275 * gcse.c (rest_of_handle_gcse): Ditto.
6276 * except.c (gate_handle_eh): Ditto.
6277 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6278 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6280 2006-03-02 Eric Christopher <echristo@apple.com>
6282 * config/i386/i386.c (machopic_output_stub): Add indirection to
6285 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6289 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6291 Sun Niagara specific optimizations.
6292 * config.gcc: Recognize niagara as target.
6293 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6294 (TARGET_CPU_niagara): Define.
6295 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6296 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6297 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6298 (ASM_CPU_SPEC): Likewise.
6299 (PROCESSOR_NIAGARA): New enum entry.
6300 (REGISTER_MOVE_COST): Handle Niagara.
6301 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6302 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6303 (sparc_override_options): Recognize "niagara", set appropriate
6304 default MASK_* values for it, and align functions to 32-bytes
6305 by default just like ULTRASPARC/ULTRASPARC3.
6306 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6307 (sparc64_initialize_trampoline): Likewise.
6308 (sparc_use_sched_lookahead): Use zero for niagara.
6309 (sparc_issue_rate): Use one for niagara.
6310 * config/sparc/niagara.md: New file.
6311 * config/sparc/sparc.md: Include it.
6312 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6313 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6314 when default cpu is niagara.
6315 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6316 (ASM_CPU_SPEC): Likewise.
6317 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6318 when default cpu is niagara.
6319 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6320 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6321 just like v9/ultrasparc/ultrasparc3.
6322 * doc/invoke.texi: Add documentation for "niagara" and improve
6323 existing documentation for ultrasparc variants.
6325 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6327 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6329 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6331 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6332 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6333 and say that only one is needed.
6334 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6335 * target.h (have_switchable_bss_sections): New hook.
6336 * explow.c (use_anchored_address): Check that the symbol is in a block.
6337 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6338 (bss_noswitch_section): New variables.
6339 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6340 (get_noswitch_section): New function.
6341 (get_block_for_section): Allow SECT to be null.
6342 (unlikely_text_section_p): Use SECTION_STYLE.
6343 (bss_initializer_p): New function.
6344 (get_variable_section): Move earlier in file. Take a new argument,
6345 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6346 Return one of the new *_sections in such cases.
6347 (get_block_for_decl): New function, extracting some logic from
6348 use_blocks_for_decl_p.
6349 (change_symbol_section): Remove in favor of...
6350 (change_symbol_block): ...this new function.
6351 (use_blocks_for_decl_p): Remove checks now performed by
6353 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6354 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6355 (emit_local, emit_bss, emit_common): ...these new functions.
6356 Return true if the alignment was honored.
6357 (emit_tls_common): New function.
6358 (asm_emit_uninitialised): Delete.
6359 (assemble_variable_noswitch): New function, split out from...
6360 (assemble_variable): ...here. Don't make decisions about common
6361 variables here. Globalize all public decls that go into non-common
6362 sections. Check whether SYMBOL_REF_BLOCK is null.
6363 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6364 (output_constant_pool): Likewise.
6365 (init_varasm_once): Initialize the new section variables.
6366 (have_global_bss_p): New function.
6367 (categorize_decl_for_section): Use bss_initializer_p.
6368 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6369 (place_block_symbol): Assert that the symbol must be in a block.
6370 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6371 (TARGET_INITIALIZER): Include it.
6372 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6373 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6374 (SECTION_MACH_DEP): Bump by two.
6375 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6376 (unnamed_section): Mention SECTION_UNNAMED in comment.
6377 (named_section): Likewise SECTION_NAMED.
6378 (noswitch_section_callback): New type.
6379 (noswitch_section): New structure.
6380 (section): Add a noswitch_section alternative.
6381 (SECTION_STYLE): New macro.
6382 (tls_comm_section, comm_section, lcomm_section): Declare.
6383 (bss_noswitch_section, have_global_bss_p): Declare.
6384 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6385 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6387 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6388 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6391 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6393 * tree-vrp.c (execute_vrp): Return value.
6394 * regrename.c (rest_of_handle_regrename): Ditto.
6395 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6396 * tree-complex.c (tree_lower_complex): Ditto.
6397 (tree_lower_complex_O0): Ditto.
6398 * tracer.c (rest_of_handle_tracer): Ditto.
6399 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6400 * postreload.c (rest_of_handle_postreload): Ditto.
6401 * tree-tailcall.c (execute_tail_recursion): Ditto.
6402 (execute_tail_calls): Ditto.
6403 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6404 * tree.h (init_function_for_compilation): Ditto.
6405 * ipa-cp.c (ipcp_driver): Ditto.
6406 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6407 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6408 * final.c (compute_alignments): Ditto.
6409 (rest_of_handle_final): Ditto.
6410 (rest_of_handle_shorten_branches): Ditto.
6411 (rest_of_clean_state): Ditto.
6412 * omp-low.c (execute_expand_omp): Ditto.
6413 (execute_lower_omp): Ditto.
6414 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6415 * ipa-reference.c (static_execute): Ditto.
6416 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6417 * reorg.c (rest_of_handle_delay_slots): Ditto.
6418 (rest_of_handle_machine_reorg): Ditto.
6419 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6420 * flow.c (recompute_reg_usage): Ditto.
6421 (rest_of_handle_remove_death_notes): Ditto.
6422 (rest_of_handle_life): Ditto.
6423 (rest_of_handle_flow2): Ditto.
6424 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6425 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6426 (do_ssa_store_ccp): Ditto.
6427 (execute_fold_all_builtins): Ditto.
6428 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6429 * modulo-sched.c (rest_of_handle_sms): Ditto.
6430 * ipa-pure-const.c (static_execute): Ditto.
6431 * cse.c (rest_of_handle_cse): Ditto.
6432 (rest_of_handle_cse2): Ditto.
6433 * web.c (rest_of_handle_web): Ditto.
6434 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6435 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6436 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6437 * tree-nrv.c (tree_nrv): Ditto.
6438 (execute_return_slot_opt): Ditto.
6439 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6440 (create_structure_vars): Ditto.
6441 * loop-init.c (rtl_loop_init): Ditto.
6442 (rtl_loop_done): Ditto.
6443 (rtl_move_loop_invariants): Ditto.
6444 (rtl_unswitch): Ditto.
6445 (rtl_unroll_and_peel_loops): Ditto.
6446 (rtl_doloop): Ditto.
6447 * gimple-low.c (lower_function_body): Ditto.
6448 (mark_used_blocks): Ditto.
6449 * tree-ssa-sink.c (execute_sink_code): Ditto.
6450 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6451 (cgraph_early_inlining): Ditto.
6452 * global.c (rest_of_handle_global_alloc): Ditto.
6453 * jump.c (cleanup_barriers): Ditto.
6454 (purge_line_number_notes): Ditto.
6455 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6456 (rest_of_handle_if_after_reload): Ditto.
6457 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6458 (tree_ssa_loop_im): Ditto.
6459 (tree_ssa_loop_unswitch): Ditto.
6460 (tree_vectorize): Ditto.
6461 (tree_linear_transform): Ditto.
6462 (tree_ssa_loop_ivcanon): Ditto.
6463 (tree_ssa_empty_loop): Ditto.
6464 (tree_ssa_loop_bounds): Ditto.
6465 (tree_complete_unroll): Ditto.
6466 (tree_ssa_loop_prefetch): Ditto.
6467 (tree_ssa_loop_ivopts): Ditto.
6468 (tree_ssa_loop_done): Ditto.
6469 * predict.c (tree_estimate_probability): Ditto.
6470 * recog.c (split_all_insns_noflow): Ditto.
6471 (rest_of_handle_peephole2): Ditto.
6472 (rest_of_handle_split_all_insns): Ditto.
6473 * tree-eh.c (lower_eh_constructs): Ditto.
6474 * regmove.c (rest_of_handle_regmove): Ditto.
6475 (rest_of_handle_stack_adjustments): Ditto.
6476 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6477 * function.c (instantiate_virtual_regs): Ditto.
6478 (init_function_for_compilation): Ditto.
6479 (rest_of_handle_check_leaf_regs): Ditto.
6480 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6481 (rest_of_handle_gcse): Ditto.
6482 * ipa-type-escape.c (type_escape_execute): Ditto.
6483 * alias.c (rest_of_handle_cfg): Ditto.
6484 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6485 * profile.c (rest_of_handle_branch_prob): Ditto.
6486 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6487 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6488 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6489 * tree-dfa.c (find_referenced_vars): Ditto.
6490 * except.c (set_nothrow_function_flags): Ditto.
6491 (convert_to_eh_region_ranges): Ditto.
6492 (rest_of_handle_eh): Ditto.
6493 * emit-rtl.c (unshare_all_rtl): Ditto.
6494 (remove_unnecessary_notes): Ditto.
6495 * except.h (set_nothrow_function_flags): Ditto.
6496 (convert_to_eh_region_ranges): Ditto.
6497 * cfgexpand.c (tree_expand_cfg): Ditto.
6498 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6499 * tree-ssa-pre.c (do_pre): Ditto.
6500 (execute_fre): Ditto.
6501 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6502 (rest_of_handle_jump2): Ditto.
6503 * tree-sra.c (tree_sra): Ditto.
6504 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6505 (execute_mudflap_function_decls): Ditto.
6506 * tree-ssa-copy.c (do_copy_prop): Ditto.
6507 (do_store_copy_prop): Ditto.
6508 * ipa-prop.h (ipcp_driver): Ditto.
6509 * cfglayout.c (insn_locators_initialize): Ditto.
6510 * tree-ssa-forwprop.c
6511 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6512 * cfglayout.h (insn_locators_initialize): Ditto.
6513 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6514 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6515 (execute_late_warn_uninitialized): Ditto.
6516 * rtl.h (cleanup_barriers): Ditto.
6517 (split_all_insns_noflow): Ditto.
6518 (purge_line_number_notes): Ditto.
6519 (unshare_all_rtl): Ditto.
6520 (remove_unnecessary_notes): Ditto.
6521 (recompute_reg_usage): Ditto.
6522 (variable_tracking_main): Ditto.
6523 * integrate.c (emit_initial_value_sets): Ditto.
6524 * integrate.h (emit_initial_value_sets): Ditto.
6525 * tree-optimize.c (execute_free_datastructures): Ditto
6526 (execute_free_cfg_annotations): Ditto.
6527 (execute_fixup_cfg): Ditto.
6528 (execute_cleanup_cfg_pre_ipa): Ditto.
6529 (execute_cleanup_cfg_post_optimizing): Ditto.
6530 (execute_init_datastructures): Ditto.
6531 * tree-object-size.c (compute_object_sizes): Ditto.
6532 * combine.c (rest_of_handle_combine): Ditto.
6533 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6534 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6535 (rest_of_handle_reorder_blocks): Ditto.
6536 (rest_of_handle_partition_blocks): Ditto.
6537 * var-tracking.c (variable_tracking_main): Ditto.
6538 * tree-profile.c (tree_profiling): Ditto.
6539 * tree-vect-generic.c (expand_vector_operations): Ditto.
6540 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6541 * sched-rgn.c (rest_of_handle_sched): Ditto.
6542 (rest_of_handle_sched2): Ditto.
6543 * basic-block.h (free_bb_insn): Ditto.
6544 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6545 * tree-cfg.c (execute_build_cfg): Ditto.
6546 (remove_useless_stmts): Ditto.
6547 (split_critical_edges): Ditto.
6548 (execute_warn_function_return): Ditto.
6549 (execute_warn_function_noreturn): Ditto.
6550 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6551 * cfgrtl.c (free_bb_for_insn): Ditto.
6552 * passes.c (execute_one_pass): Run additional
6553 todos returned by execute function.
6554 * tree-pass.h (struct tree_opt_pass): Make execute
6557 2006-03-02 Richard Guenther <rguenther@suse.de>
6559 * tree-ssa-alias.c (find_used_portions): Consider taking
6560 the address as making the variable not write-only.
6562 2006-03-02 Nick Clifton <nickc@redhat.com>
6564 * config.gcc (default_use_cxa_atexit): Extend the description of
6565 this configure variable. Set its default value to "yes" for
6566 Linux, NetBSD and ELF targets on the assumption that they will
6567 use C libraries with the __cxa_atexit function.
6569 2006-03-02 Ben Elliston <bje@au.ibm.com>
6571 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6572 parameter as unused to suppress a build warning.
6574 2006-03-02 Ben Elliston <bje@au.ibm.com>
6576 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6579 2006-03-01 Roger Sayle <roger@eyesopen.com>
6582 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6583 declared name, the weak reference name, and the typeof name.
6584 (__gthrw): Avoid expanding the declared name suffix.
6585 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6587 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6589 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6591 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6592 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6593 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6594 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6595 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6596 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6597 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6598 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6599 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6600 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6601 (DW_END_default, DW_END_big, DW_END_little): New.
6602 (DW_END_lo_user, DW_END_hi_user): Define.
6603 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6604 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6605 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6608 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6610 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6612 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6614 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6616 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6618 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6619 to 'symbol_mem_tag'.
6621 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6624 2006-03-01 Roger Sayle <roger@eyesopen.com>
6626 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6628 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6631 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6632 MACHO_DYNAMIC_NO_PIC_P.
6633 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6635 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6638 * config/darwin-protos.h (darwin_asm_output_anchor):
6640 * config/darwin-sections.def (cstring_section):
6641 Add SECTION_MERGE to the flags.
6642 (literal4_section): Likewise.
6643 (literal8_section): Likewise.
6644 (objc_selector_refs_section): Likewise.
6645 (objc_cls_refs_section): Likewise.
6646 * config/darwin.c (darwin_asm_output_anchor): New
6648 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6650 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6652 Fix PR tree-optimization/26443
6653 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6654 to todo and PROP_tmt_usage to properties_destroyed.
6655 * tree-ssa-ccp.c (pass_ccp): Ditto.
6656 (pass_store_ccp): Ditto.
6657 * tree-ssa-dom.c (pass_dominator): Ditto.
6659 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6661 * tree-ssa-operands.c: Cleanup whitespace.
6662 (get_asm_expr_operands): Move before first invocation.
6663 (get_indirect_ref_operands): Likewise.
6664 (get_tmr_operands): Likewise.
6665 (get_call_expr_operands): Likewise.
6666 (append_def): Likewise.
6667 (append_use): Likewise.
6668 (append_v_may_def): Likewise.
6669 (append_v_must_def): Likewise.
6670 (add_call_clobber_ops): Likewise.
6671 (add_call_read_ops): Likewise.
6672 (add_stmt_operand): Likewise.
6673 (add_virtual_operand): Likewise.
6674 (build_ssa_operands): Likewise.
6676 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6681 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6682 with a call expr to ...
6683 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6685 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6687 * tree-vrp.c (extract_range_from_assert): Remove special
6688 handling for types with super-types.
6690 2006-03-01 Ben Elliston <bje@au.ibm.com>
6692 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6693 and powerpc64-*-linux* configurations.
6694 * config/t-dfprules: New file.
6696 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6697 Compile dfp-bit.c from the source directory using -DWIDTH and
6698 $DFP_CFLAGS to control the compilation of that file, rather than
6699 generating width-specific versions in the build directory.
6700 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6701 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6703 2006-02-28 Zack Weinberg <zackw@panix.com>
6705 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6708 2006-02-28 Eric Christopher <echristo@apple.com>
6710 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6711 Set up IN_LIBGCC definition of TARGET_64BIT.
6712 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6714 2006-02-28 Roger Sayle <roger@eyesopen.com>
6717 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6718 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6719 cases via the construction of "expr != 0".
6721 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6723 * alias.c (alias_invariant, alias_invariant_size): Remove.
6724 (record_base_value): Remove.
6725 (memrefs_conflict_p): Don't look at alias_invariant.
6726 (end_alias_analysis): Don't free it.
6727 * alias.h (record_base_value): Remove prototype.
6729 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6730 Adam Nemet <anemet@caviumnetworks.com>
6732 * rtl.h (truncated_to_mode): Declare it.
6733 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6734 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6735 (RTL_HOOKS_INITIALIZER): Include it.
6736 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6737 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6738 reg_truncated_to_mode.
6739 * rtlanal.c (truncated_to_mode): Define it.
6740 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6742 2006-02-28 Jeff Law <law@redhat.com>
6744 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6745 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6746 the range allowed by TYPE_PRECISION.
6748 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6750 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6752 PR tree-optimization/26419
6753 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6756 2006-02-27 Zack Weinberg <zackw@panix.com>
6758 * doc/md.texi: Fix typo in previous change.
6760 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6764 2006-02-27 Zack Weinberg <zackw@panix.com>
6766 * rtl.def (define_constraint, define_register_constraint)
6767 (define_memory_constraint, define_address_constraint): New MD forms.
6768 * gensupport.c (process_rtx): Put define_constraint etc on the
6770 * genpreds.c (process_define_predicate): Adjust comment. Validate
6771 the name, and call validate_exp to validate the expression.
6772 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6773 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6774 all callers changed.
6775 (validate_exp, needs_variable, struct constraint_data)
6776 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6777 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6778 (const_dbl_constraints, constraint_max_namelen)
6779 (have_register_constraints, have_memory_constraints)
6780 (have_address_constraints, have_address_constraints)
6781 (have_extra_constraints, have_const_int_constraints)
6782 (have_const_dbl_constraints, mangle, add_constraint)
6783 (process_define_constraint, process_define_register_constraint)
6784 (write_enum_constraint_num, write_lookup_constraint)
6785 (write_insn_constraint_len, write_regclass_for_constraint)
6786 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6787 (write_insn_extra_memory_constraint)
6788 (write_insn_extra_address_constraint)
6789 (write_satisfies_constraint_fns): New.
6790 (write_tm_preds_h): If we have new-style constraint definitions,
6791 prototype the functions generated from them, and define the
6792 old constraint interface (still used by generic code) in terms of
6794 (write_insn_preds_c): If we have new-style constraint definitions,
6795 generate all relevant functions from those definitions.
6796 (main): Handle define_constraint etc.
6797 * genoutput.c (struct constraint_data, indep_constraints)
6798 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6799 (mdep_constraint_len): New data structures and functions, defined
6800 #ifdef USE_MD_CONSTRAINTS.
6801 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6802 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6803 use new logic to validate operand constraints against constraint
6805 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6807 * defaults.h: If none of the old-style constraint macros are
6808 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6809 old-style macros; and poison REG_CLASS_FROM_LETTER,
6810 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6812 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6813 * doc/md.texi: Document new constraint-definition mechanism and the
6814 C interface it provides. Remove references to old mechanism
6815 elsewhere in the document.
6816 (Machine Constraints): Use pathnames relative to gcc directory,
6817 i.e. config/ARCH/FILE. Change i386 section to refer to
6818 config/i386/predicates.md; update that section to match docstrings.
6819 * doc/tm.texi: Move all documentation of the old constraint-
6820 definition macros to their own section, clearly mark as obsolete.
6822 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6823 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6825 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6826 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6827 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6829 (splits and peepholes): Use satisfies_constraint_*.
6830 * config/i386/i386.c (memory_address_length)
6831 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6833 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6835 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6836 scalar operation to be put back into the loop.
6838 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6841 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6842 (extract_cie_info): Handle S flag in augmentation string.
6843 (execute_cfa_program): If context->signal_frame, execute also
6844 fs->pc == context->ra instructions.
6845 (uw_frame_state_for): If context->signal_frame, don't subtract one
6846 from context->ra to find FDE.
6847 (uw_update_context_1): Set context->signal_frame to
6849 (_Unwind_GetIPInfo): New function.
6850 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6851 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6853 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6854 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6855 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6856 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6857 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6858 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6859 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6860 x86_64_fallback_frame_state): Set fs->signal_frame.
6861 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6862 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6863 (frob_update_context): Likewise. Workaround missing S flag in
6864 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6865 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6866 Remove the psw_addr + 1 hack.
6868 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6870 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6871 with aggregates here.
6872 (find_func_aliases): Remove code for &<aggregate> from here.
6874 2006-02-26 Roger Sayle <roger@eyesopen.com>
6876 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6877 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6878 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6881 2006-02-26 Roger Sayle <roger@eyesopen.com>
6884 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6886 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6888 * opts.c (decode_options): Do not handle flag_strength_reduce.
6889 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6890 and OPT_fstrength_reduce.
6891 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6892 flag_prefetch_loop_arrays for being nonzero.
6893 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6895 (fprefetch-loop-arrays-rtl): Removed.
6896 (flag_prefetch_loop_arrays): Do not specify the value.
6898 * doc/passes.texi: Update documentation of loop optimizer
6900 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6901 -frerun-loop-opt): Remove.
6903 2006-02-26 Richard Guenther <rguenther@suse.de>
6905 PR tree-optimization/26421
6906 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6907 in function calls that are ADDR_EXPRs as using the whole structure.
6909 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6911 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6912 * tree-pass.h (pass_loop_optimize): Remove.
6913 * passes.c (pass_loop_optimize): Never run it.
6914 * toplev.c (backend_init): Don't call init_loop.
6915 * opts.c (flag_loop_optimize_set): Remove.
6916 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6917 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6918 the old RTL loop optimizer when profiling enabled.
6919 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6920 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6921 pre-headers for the sake of the old RTL loop optimizer.
6922 * Makefile.in: Remove all references to loop.o.
6924 * doc/invoke.texi: Remove all references to -floop-optimize
6925 and -frerun-loop-opt.
6927 2006-02-26 Zack Weinberg <zackw@panix.com>
6929 * doc/md.texi (Machine Constraints): Refer to all files with paths
6930 relative to gcc directory (i.e. config/CPU/file). Add missing
6931 @table @code ... @end table to M32C subsection.
6933 2006-02-26 Roger Sayle <roger@eyesopen.com>
6935 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6937 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6939 2006-02-26 Roger Sayle <roger@eyesopen.com>
6940 James A. Morrison <phython@gcc.gnu.org>
6943 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6944 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6945 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6946 signedness of the shift operation.
6948 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6950 PR tree-optimization/26359
6951 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6953 2006-02-25 Roger Sayle <roger@eyesopen.com>
6955 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6956 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6957 as X == 0, and some symmetry related transformations.
6958 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6960 2006-02-25 Roger Sayle <roger@eyesopen.com>
6963 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6964 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6965 symmetry related transformations. Fold (X^C1) == C2 as
6968 2006-02-25 Juergen Weigert <jw@suse.de>
6969 Richard Guenther <rguenther@suse.de>
6971 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6973 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6975 * combine.c (gen_lowpart_or_truncate): Call
6976 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6978 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6980 * doc/invoke.texi: Move -fopenmp description to "Options for
6982 Remove reference to -lgomp.
6984 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6986 * doc/install.texi: Require GNU tar version 1.14.
6988 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6990 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6991 * doc/invoke.texi (C++ Dialect Options): Document
6992 -fno-use-cxa-get-exception-ptr.
6993 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6994 * configure: Regenerate.
6995 * c.opt (fuse-cxa-get-exception-ptr): New.
6996 * c-opts.c (c_common_handle_option): Handle
6997 OPT_fuse_cxa_get_exception_ptr.
6998 * c-common.c (flag_use_cxa_atexit): Update documentation.
6999 (flag_use_cxa_get_exception_ptr): New.
7000 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7001 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7003 (C_COMMON_OVERRIDE_OPTIONS): New.
7005 2006-02-24 Roger Sayle <roger@eyesopen.com>
7008 * combine.c (try_combine): Explicitly check whether GET_CODE is
7009 a SET or a CLOBBER, instead on checking that it isn't a USE.
7011 2006-02-24 Roger Sayle <roger@eyesopen.com>
7013 * fold-const.c (fold_comparison): New subroutine of fold_binary
7014 containing transformations common to both the equality and
7015 ordering relational operators, factored out of fold_binary.
7016 (fold_binary): Separate out the equality operators (EQ_EXPR
7017 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7018 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7019 transformations common to both.
7020 (fold_div_compare): Fix latent bugs in the previously unreachable
7021 LT_EXPR and GE_EXPR cases.
7023 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7025 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7026 decl libname for clog to __clog on AIX.
7028 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7030 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7033 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7034 output traceback table for thunks. Localise rs6000_stack_info call.
7036 2006-02-23 Roger Sayle <roger@eyesopen.com>
7037 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7039 * gthr-posix.h (__gthrw): Fix typo in comment.
7041 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7043 * doc/cpp.texi (Character sets): Document that we do support
7044 input files to be in any character set.
7046 2006-02-23 Jeff Law <law@redhat.com>
7048 * tree.h (PHI_ARG_NONZERO): Remove.
7049 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7050 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7051 node to the new node.
7053 PR tree-optimization/26425
7054 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7055 min/max, then assume its varying.
7057 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7059 PR rtl-optimization/26316
7060 * rtlanal.c (enum may_trap_p_flags): New.
7061 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7062 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7063 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7064 (may_trap_after_code_motion_p): New function.
7065 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7066 (find_invariant_insn): Use may_trap_after_code_motion_p.
7067 * rtl.h (may_trap_after_code_motion_p): Declare.
7069 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7071 * emit-rtl.c (immed_double_const): Cleanup.
7073 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7075 Fix PR tree-optimization/26376
7076 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7079 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7082 * gimplify.c (omp_add_variable): Guard variable size decl test with
7083 DECL_SIZE (decl) check.
7085 2006-02-23 Richard Guenther <rguenther@suse.de>
7088 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7089 like aggregate types.
7091 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7093 * configure.ac: Add --with{,out}-long-double-128 configure option.
7094 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7095 * configure: Rebuilt.
7096 * config.in: Rebuilt.
7097 * doc/install.texi (Options specification): Document
7098 --with-long-double-128.
7100 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7101 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7102 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7103 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7105 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7107 * config/s390/s390.c (override_options): Handle
7108 TARGET_DEFAULT_LONG_DOUBLE_128.
7110 * config/alpha/alpha.c (override_options): Handle
7111 TARGET_DEFAULT_LONG_DOUBLE_128.
7113 * config/sparc/sparc.c (sparc_override_options): Handle
7114 TARGET_DEFAULT_LONG_DOUBLE_128.
7116 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7118 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7119 (real-install-headers-tar, real-install-headers-cpio)
7120 (real-install-headers-cp): New targets.
7122 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7124 * tree.h (variable_section): Delete.
7125 * varasm.c (variable_section): Delete.
7127 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7129 * install.texi: Add notes on install.texi2html.
7130 (Building in parallel): Do not use footnotes.
7132 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7135 * doc/install.texi (Configuration): Document --disable-libgomp.
7137 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7139 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7141 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7143 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7144 (vec_extractv2df_0_sse): New.
7146 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7148 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7149 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7150 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7151 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7152 to the result of the expression.
7153 (def_cfa_1): Adjust.
7154 (frame_pointer_cfa_offset): Rename to...
7155 (frame_pointer_fb_offset): ... this. Adjust all uses.
7156 (convert_cfa_to_loc_list): Rename to...
7157 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7158 Pass it on to build_cfa_loc.
7159 (compute_frame_pointer_to_cfa_displacement): Rename to...
7160 (compute_frame_pointer_to_fb_displacement): ... this. New
7161 offset parameter. Use it in computation.
7162 (gen_subprogram_die): Compute cfa_fb_offset with the new
7163 macro, and use it to compute the fb loc list and the
7166 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7168 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7169 replaced with register_operand.
7170 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7171 non-DREG is expensive.
7172 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7173 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7176 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7178 * doc/install.texi2html: Use set -e.
7180 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7182 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7183 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7184 * doc/invoke.texi (-fshared-data): Delete.
7185 * common.opt (fshared-data): Delete.
7186 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7187 (assemble_static_space): Remove #if 0 code.
7188 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7189 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7190 * config/cris/cris.h: Remove FIXME.
7192 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7194 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7197 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7200 * combine.c (simplify_shift_const_1): Disable nested shifts
7201 optimization for vector shifts.
7203 2006-02-20 Roger Sayle <roger@eyesopen.com>
7205 PR tree-optimization/26361
7206 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7207 of unsigned integer types.
7209 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7211 * tree-chrec.c (eq_evolutions_p): New.
7212 * tree-chrec.h (eq_evolutions_p): Declared.
7213 * tree-data-ref.c: Fix formatting.
7214 (datadep_stats, dependence_stats): New.
7216 (print_direction_vector): New.
7217 (dump_data_dependence_relation): Use print_direction_vector.
7218 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7219 (compute_subscript_distance): Static.
7220 (initialize_data_dependence_relation): Static. Get the number
7221 of loops surrounding the references from the callers, and initialize
7222 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7223 base_object_differ_p analyzers.
7224 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7225 compute_overlap_steps_for_affine_1_2,
7226 analyze_subscript_affine_affine): Count the classified dependences.
7227 Print a message when a test failed.
7228 (can_use_analyze_subscript_affine_affine): New.
7229 (analyze_siv_subscript): Compute the data dependences on symbolic
7230 scevs that verify can_use_analyze_subscript_affine_affine.
7231 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7232 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7233 Handle symbolic scevs.
7234 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7236 (subscript_dependence_tester): Moved...
7237 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7238 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7239 DDR_SIZE_VECT instead of getting it in parameter.
7240 (subscript_dependence_tester): ... here. Take as a parameter
7241 loop_nest_depth. Call build_classic_dist_vector and
7242 build_classic_dir_vector.
7243 (compute_affine_dependence): Update subscript_dependence_tester
7244 parameters. Update datadep_stats counters. Call
7245 compute_subscript_distance.
7246 (compute_self_dependence): Save the dist and dir vectors. Call
7247 compute_subscript_distance.
7248 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7249 (compute_all_dependences): Reorder parameters as they were before
7250 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7251 compute_subscript_distance. Update the use of
7252 compute_affine_dependence and initialize_data_dependence_relation.
7253 (find_data_references_in_loop): Handle COMPONENT_REF.
7254 (compute_data_dependences_for_loop): Initialize dependence_stats.
7255 Don't call build_classic_dist_vector and build_classic_dir_vector.
7256 Update the parameters of initialize_data_dependence_relation and
7257 compute_all_dependences. Print the statistics from datadep_stats.
7258 (analyze_all_data_dependences): Static. Not used until the pass for
7259 checking the data dependences is contributed.
7260 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7261 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7262 (initialize_data_dependence_relation, compute_affine_dependence,
7263 analyze_all_data_dependences, compute_subscript_distance): Removed.
7264 (print_direction_vector): New.
7265 * lambda.h (gcd): ... here.
7266 (lambda_vector_gcd): Moved here from gcd_vector.
7267 * lambda-code.c (gcd, gcd_vector): Removed.
7268 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7269 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7271 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7273 * ipa-type-escape.c: Tidy some comments and white space.
7274 * tree-ssa-operands.c: Likewise.
7276 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7279 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7280 (dump_decl_name): Do not walk the decl tree chains.
7281 * tree-pass.h (TDF_CHAIN): Remove.
7283 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7285 * Makefile.in (C): Remove
7287 (.PHONY): Remove C and PROTO
7289 2006-02-20 Roger Sayle <roger@eyesopen.com>
7292 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7293 deprecated CHAR_TYPE tree code.
7295 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7297 * configure.ac (target_list): Add install-info, dvi, html.
7298 * configure: Regenerate.
7300 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7301 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7302 treelang/Make-lang.in: Do not use double-colon rules.
7304 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7306 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7307 (TMT_USED_ALONE): New macro.
7308 * tree-pass.h (PROP_tmt_usage): New property.
7309 (TODO_update_tmt_usage): New todo.
7310 * tree-ssa-alias.c (updating_used_alone): New variable.
7311 (recalculate_used_alone): New function.
7312 (compute_may_aliases): Set updating_used_alone, call
7313 recalculate_used_alone.
7314 * tree-sra.c (pass_sra): Note that this pass destroys
7315 PROP_tmt_usage, and add TODO_update_tmt_usage.
7316 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7317 * tree-flow.h (updating_used_alone): Prototype.
7318 (recalculate_used_alone): Ditto.
7319 * passes.c (execute_todo): Add code to set updating_used_alone,
7320 and call recalculate.
7321 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7322 for clobber if used alone, and add assert to verify used_alone
7325 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7327 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7328 for non tls symbols added.
7329 (legitimize_address): Do nothing for PLUS expressions if one of the
7330 addends is a tls symbol reference.
7332 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7336 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7338 * Makefile.in (BOOTSTRAPPING): New.
7339 (quickstrap): New definition if BOOTSTRAPPING=yes.
7341 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7342 * configure.ac: Substitute all_selected_languages with the languages
7343 that were configured. For all the other variables except
7344 lang_specs_files, include all the languages in the tree.
7345 * configure: Regenerate.
7347 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7348 if there is one. Run the commands to run fixincludes in the same
7351 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7352 * doc/install.texi: Document exact conventions for searching target tools.
7353 Document --with-build-time-tools. Document toplevel bootstrap. Document
7354 something more about building an Ada cross-compiler. Don't list GNU Make
7355 requirements which affect all platforms.
7357 2006-02-19 Roger Sayle <roger@eyesopen.com>
7360 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7361 only equivalent if the have both the same mode and precision.
7363 2006-02-20 Ben Elliston <bje@au.ibm.com>
7365 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7367 2006-02-19 Roger Sayle <roger@eyesopen.com>
7368 Steven Bosscher <stevenb.gcc@gmail.com>
7370 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7371 constant pool references to identify stack mode constants.
7372 * rtlanal.c (constant_pool_constant_p): New predicate to check
7373 whether operand is a floating point constant in the pool.
7374 * rtl.h (constant_pool_constant_p): Prototype here.
7375 * loop.c (scan_loop): Avoid hoisting constants from the constant
7376 pool on STACK_REGS targets.
7377 (load_mems): Likewise.
7378 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7379 loads into x87 registers expensive in terms of register pressure.
7381 2006-02-19 Roger Sayle <roger@eyesopen.com>
7383 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7384 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7386 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7388 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7389 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7391 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7393 * doc/invoke.texi: Document -fipa-pta.
7394 * common.opt: Add ipa-pta option.
7395 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7396 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7397 (do_ds_constraint): Ditto.
7398 (get_constraint_for): Only add to referenced_vars if
7399 referenced_vars exists.
7400 (insert_into_field_list): Rewrite to do this unsorted.
7401 (insert_into_field_list_sorted): Rename old insert_into_field_list
7403 (create_function_info_for): Use insert_into_field_list_sorted.
7404 (create_variable_info_for): Rewrite so it uses unsorted version,
7405 since the field list is sorted.
7406 (intra_create_variable_infos): Only add to referenced_vars if
7407 referenced_vars exists.
7408 (ipa_pta_execute): Init heapvars, and delete when done.
7409 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7411 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7413 * doc/install.texi: Add missing `@samp'.
7415 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7417 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7420 2006-02-18 Mark Wielaard <mark@klomp.org>
7422 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7423 who added new 4.1 features, bug fixes and integration support.
7425 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7428 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7431 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7433 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7434 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7435 (copy_insn_1): Likewise. Don't copy each field individually.
7437 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7439 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7440 * rtl.c (rtx_size): Rename variable to...
7441 (rtx_code_size): ...this.
7442 (rtx_size): New function.
7443 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7444 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7446 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7447 * rtl.h (rtx_code_size): New variable.
7448 (rtx_size): Change from a variable to a function.
7449 (RTX_SIZE): Rename to...
7450 (RTX_CODE_SIZE): ...this.
7453 PR tree-optimization/17106
7454 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7455 (Anchored Addresses): New section.
7456 * doc/invoke.texi (-fsection-anchors): Document.
7457 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7458 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7459 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7460 * hooks.c (hook_bool_mode_rtx_false): New function.
7461 * hooks.h (hook_bool_mode_rtx_false): Declare.
7462 * gengtype.c (create_optional_field): New function.
7463 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7464 SYMBOL_REF_IN_BLOCK_P is true.
7465 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7466 (min_anchor_offset, max_anchor_offset): Likewise.
7467 (use_anchors_for_symbol_p): New hook.
7468 * toplev.c (compile_file): Call output_object_blocks.
7469 (target_supports_section_anchors_p): New function.
7470 (process_options): Check that -fsection-anchors is only used on
7471 targets that support it and when -funit-at-a-time is in effect.
7472 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7473 if the decl doesn't have one.
7474 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7475 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7476 of force_const_mem through use_anchored_address.
7477 (expand_expr_constant): New function.
7478 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7479 calling expand_expr for INDIRECT_REF.
7480 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7481 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7482 * expr.h (use_anchored_address): Declare.
7483 * loop-unroll.c: Don't declare rtx vectors here.
7484 * explow.c: Include output.h.
7485 (validize_mem): Call use_anchored_address.
7486 (use_anchored_address): New function.
7487 * common.opt (-fsection-anchors): New switch.
7488 * varasm.c (object_block_htab, anchor_labelno): New variables.
7489 (hash_section, object_block_entry_eq, object_block_entry_hash)
7490 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7491 (use_blocks_for_decl_p, change_symbol_section): New functions.
7492 (get_variable_section): New function, split out from assemble_variable.
7493 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7494 use_blocks_for_decl_p say so. Use change_symbol_section if the
7495 symbol has already been created.
7496 (assemble_variable_contents): New function, split out from...
7497 (assemble_variable): ...here. Don't output any code for
7498 block symbols; just pass them to place_block_symbol.
7499 Use get_variable_section and assemble_variable_contents.
7500 (get_constant_alignment, get_constant_section, get_constant_size): New
7501 functions, split from output_constant_def_contents.
7502 (build_constant_desc): Create a block symbol if use_object_blocks_p
7503 says so. Or into SYMBOL_REF_FLAGS.
7504 (assemble_constant_contents): New function, split from...
7505 (output_constant_def_contents): ...here. Don't output any code
7506 for block symbols; just pass them to place_section_symbol.
7507 Use get_constant_section and get_constant_alignment.
7508 (force_const_mem): Create a block symbol if use_object_blocks_p and
7509 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7510 (output_constant_pool_1): Add an explicit alignment argument.
7511 Don't switch sections here.
7512 (output_constant_pool): Adjust call to output_constant_pool_1.
7513 Switch sections here instead. Don't output anything for block symbols;
7514 just pass them to place_block_symbol.
7515 (init_varasm_once): Initialize object_block_htab.
7516 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7517 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7518 (place_block_symbol, get_section_anchor, output_object_block)
7519 (output_object_block_htab, output_object_blocks): New functions.
7520 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7521 (TARGET_ASM_OUT): Include it.
7522 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7523 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7524 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7525 (TARGET_INITIALIZER): Include them.
7526 * rtl.c (rtl_check_failed_block_symbol): New function.
7527 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7528 (block_symbol, object_block): New structures.
7529 (rtx_def): Add a block_symbol field to the union.
7530 (BLOCK_SYMBOL_CHECK): New macro.
7531 (rtl_check_failed_block_symbol): Declare.
7532 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7533 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7534 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7535 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7536 * output.h (output_section_symbols): Declare.
7537 (object_block): Name structure.
7538 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7539 (default_use_anchors_for_symbol_p): Declare.
7540 * Makefile.in (RTL_BASE_H): Add vec.h.
7541 (explow.o): Depend on output.h.
7542 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7543 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7544 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7545 (rs6000_use_blocks_for_constant_p): New function.
7547 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7549 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7551 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7554 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7557 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7559 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7563 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7566 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7567 instead of DECL_REGISTER.
7569 2006-02-18 Olivier Hainque <hainque@adacore.com>
7572 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7574 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7577 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7578 * opth-gen.awk: Handle Var and InverseMask together.
7579 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7580 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7581 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7582 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7584 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7585 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7586 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7587 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7588 LINUX_DYNAMIC_LINKER): Define.
7589 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7590 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7592 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7593 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7594 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7596 (TARGET_C99_FUNCTIONS): Don't define.
7597 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7598 GLIBC_DYNAMIC_LINKER.
7599 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7600 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7601 GLIBC_DYNAMIC_LINKER64): Define.
7602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7603 LINUX_DYNAMIC_LINKER64.
7604 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7606 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7608 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7610 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7611 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7612 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7614 and LINUX_DYNAMIC_LINKER32.
7615 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7616 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7617 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7619 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7621 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7622 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7623 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7624 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7625 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7626 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7627 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7628 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7629 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7630 LINUX_DYNAMIC_LINKER): Define.
7631 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7632 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7633 GLIBC_DYNAMIC_LINKER64): Define.
7634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7635 LINUX_DYNAMIC_LINKER64.
7636 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7637 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7638 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7639 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7640 LINUX_DYNAMIC_LINKER): Define.
7641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7642 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7643 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7644 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7645 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7646 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7647 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7648 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7649 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7650 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7652 * doc/invoke.texi (-muclibc): Remove caveat about supported
7655 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7657 * doc/cpp.texi (__TIMESTAMP__): Document.
7659 2006-02-17 Roger Sayle <roger@eyesopen.com>
7662 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7663 C is one less than the width of X (and related transformations).
7664 * simplify-rtx.c (simplify_unary_operation_1): Transform
7665 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7666 depending on STORE_FLAG_VALUE, were C is one less then the
7669 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7671 Fix PR tree-optimization/26341
7672 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7673 about NAME_MEMORY_TAG's.
7675 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7678 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7679 with hardware float support, and software float support. Add fcpy
7680 alternative to hardware patterns. Add alternatives to copy between
7681 general and floating-point registers to the 32-bit pattern.
7682 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7683 secondary reload to load a QI or HI mode constant into a floating
7685 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7686 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7688 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7691 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7693 (load_macho_picbase_di): Likewise.
7695 2006-02-16 Jeff Law <law@redhat.com>
7697 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7698 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7699 (ssa_name_nonzero_p): Likewise.
7700 (get_value_range): Return NULL if VRP is not running.
7701 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7702 VRP routines do not discover a range.
7703 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7704 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7705 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7706 (tree_expr_nonnegative_p): Similarly.
7707 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7708 (restore_nonzero_vars_to_original_value): Remove.
7709 (unsafe_associative_fp_binop): Remove.
7710 (tree_ssa_dominator_optimize): Remove initialization and
7711 finalization of nonzero_vars and nonzero_vars_stack.
7712 (dom_opt_initialize_block): No longer push marker on
7714 (dom_opt_finalize_block): No longer call
7715 restore_nonzero_vars_to_original_value.
7716 (record_equivalences_from_phis): No longer look for
7717 nonzero PHI arguments.
7718 (cprop_into_successor_phis): No longer propagate nonzero
7719 property into PHI arguments. Lose unused argument. Caller
7721 (record_equivalences_from_stmt): No longer record nonzero
7722 values for SSA_NAMEs.
7723 (lookup_avail_expr): No longer use nonzero_vars.
7725 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7726 for sizetype when sizetype is unsigned.
7728 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7730 PR rtl-optimization/25603
7731 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7732 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7733 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7734 with new meaning of SETS.
7736 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7741 * config/linux.opt: New file.
7742 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7743 LINUX_DYNAMIC_LINKER): Define.
7744 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7745 * config.gcc (*-*-linux*): Define extra_options.
7746 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7747 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7748 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7749 GLIBC_DYNAMIC_LINKER.
7750 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7751 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7752 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7753 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7754 * doc/invoke.texi (GNU/Linux Options): New section.
7756 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7758 * config/sparc/sparc.md (setjmp): Rewrite.
7759 (setjmp_32): Delete.
7760 (setjmp_64): Likewise.
7762 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7764 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7767 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7769 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7772 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7774 PR rtl-optimization/26296
7775 * Makefile.in (loop-invariant.c): Add except.h dependency.
7776 * loop-invariant.c: Include except.h.
7777 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7779 2005-02-16 Paul Brook <paul@codesourcery.com>
7781 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7784 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7786 PR rtl-optimization/25636
7787 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7788 when deciding whether an insn is an initializing insn.
7790 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7792 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7793 (tree_code_size): Ditto.
7794 * tree.h (struct tree_memory_tag): Remove parent_var.
7795 (struct tree_struct_field_tag): New.
7798 (union tree_node): Add sft member.
7799 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7801 (create_sft): Add size and offset argument, set SFT_OFFSET and
7803 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7804 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7805 * tree-flow-inline.h (get_subvar_at): Update for
7806 SFT_OFFSET/SFT_SIZE.
7807 (var_can_have_subvars): Ditto.
7808 (overlap_subvar): Ditto.
7809 * print-tree.c (print_node): Print out interesting things for
7811 * tree-flow.h (struct subvar): Remove offset and size members.
7812 * tree-ssa-operands.c (get_expr_operands): Update for
7813 get_indirect_ref_operands changes.
7814 (get_indirect_ref_operands): Call add_virtual_operand instead of
7815 add_stmt_operand. Only recurse on base var if requested.
7816 (access_can_touch_variable): New function.
7817 (add_stmt_operand): Split virtual operand handling into ...
7818 (add_virtual_operand): Here. Add offset, size, and for_clobber
7819 arguments. Prune alias sets.
7820 (add_call_clobber_ops): Call add_virtual_operand.
7822 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7825 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7827 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7828 than TREE_CODE as index into omp_clause_num_ops array.
7830 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7832 PR rtl-optimization/26184
7833 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7835 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7836 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7837 must_precede, must_follow and tobe_scheduled.
7840 * opts.c (common_handle_option): Free new_option pointer.
7841 * df-core.c (df_analyze): Free postorder pointer.
7843 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7845 * Makefile.in: Fix the examples about the use of stamps
7847 2006-02-15 Michael Matz <matz@suse.de>
7851 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7852 influenced by maximum_field_alignment or DECL_PACKED.
7853 (update_alignment_for_field): Ditto.
7854 (place_field): Ditto.
7855 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7858 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7860 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7861 (debug_flow_info): Pass it.
7862 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7863 * bb-reorder.c (reorder_basic_blocks): Likewise.
7864 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7865 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7866 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7867 * gcse.c (gcse_main, bypass_jumps): Likewise.
7868 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7869 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7870 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7871 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7872 * rtl.h (dump_flow_info): Adjust prototype.
7873 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7874 * var-tracking.c (variable_tracking_main): Likewise.
7875 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7876 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7879 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7881 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7884 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7886 PR tree-optimization/26209
7887 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7888 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7890 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7892 2006-02-14 Roger Sayle <roger@eyesopen.com>
7895 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7896 (X,Y) and the corresponding symmetry related transformations.
7897 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7898 (X,Y) and its symmetry related transformations.
7900 2006-02-14 Roger Sayle <roger@eyesopen.com>
7902 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7905 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7907 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7909 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7912 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7913 support COMDAT group.
7914 * configure: Regenerate.
7916 2006-02-14 Roger Sayle <roger@eyesopen.com>
7921 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7923 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7925 Fix PR tree-optimization/26260
7927 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7929 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7930 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7931 * tree-ssa-structalias.c (create_variable_info_for): Use
7932 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7934 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7936 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7938 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7939 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7940 of the ending condition.
7941 * tree-ssa-loop-manip.c: Include params.h.
7942 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7943 tree_unroll_loop): New functions.
7944 * tree-pass.h (pass_loop_prefetch): Declare.
7945 * loop.c (rest_of_handle_loop_optimize): Test for
7946 -fprefetch-loop-arrays-rtl.
7947 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7948 * timevar.def (TV_TREE_PREFETCH): New timevar.
7949 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7950 pass_loop_prefetch): New.
7951 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7952 (cleanup_tree_cfg_loop): Call scev_reset.
7953 * common.opt (fprefetch-loop-arrays-rtl): Add.
7954 * tree-ssa-loop-prefetch.c: New file.
7955 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7956 (new_temp_expr_table): Initialize expr_vars.
7957 (free_temp_expr_table): Cleanup expr_vars.
7958 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7959 expressions from being merged into one.
7960 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7961 (struct tree_niter_desc): Add control, bound and cmp fields.
7962 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7964 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7965 (tree-cfgcleanup.o): Add SCEV_H dependency.
7966 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7967 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7969 2006-02-14 Richard Guenther <rguenther@suse.de>
7971 PR tree-optimization/26258
7972 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7973 in PHI argument processing.
7975 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7977 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7978 new expression in the requested machine mode.
7980 2006-02-13 Roger Sayle <roger@eyesopen.com>
7982 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7983 directly, instead let do_compare_rtx_and_jump handle this for us.
7984 * expr.c (expand_expr_real_1): Likewise.
7985 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7986 before do_jump_by_parts_greater.
7987 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7988 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7990 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7992 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7994 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7996 PR rtl-optimization/26235
7997 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7998 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8001 2006-02-13 Jeff Law <law@redhat.com>
8003 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8006 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8009 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8010 twice if decl is a builtin. When trying again, call get_callee_fndecl
8011 first to verify it is still a builtin.
8013 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8015 * dwarf2out.c (base_type_die): Don't add AT_name here.
8016 (subrange_type_die): Don't add AT_name here.
8017 (modified_type_die): Rearrange code flow. Do add AT_name here.
8019 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8021 PR rtl-optimization/26247
8022 PR rtl-optimization/26248
8023 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8025 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8027 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8028 * config/fixtfdi.c: Likewise.
8029 * config/fixunstfdi.c: Likewise.
8030 * config/floatditf.c: Likewise.
8032 2006-02-13 Roger Sayle <roger@eyesopen.com>
8035 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8036 into (X,C2) if C1 is a subset of the bits of C2. Transform
8037 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8039 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8041 2006-02-13 Josh Conner <jconner@apple.com>
8044 * varasm.c (function_section): Check for section name before
8045 calling select_section on targets that define
8046 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8047 unlikely_text_section instead of hot_function_section if
8048 first_function_block_is_cold.
8050 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8053 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8055 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8057 PR rtl-optimization/26222
8058 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8059 after tree->rtl expansion.
8060 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8061 before passing it to emit_move_insn.
8063 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8065 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8067 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8068 Clarify documentation.
8069 * c-common.h (warn_write_strings): Remove.
8070 * c-common.c (warn_write_strings): Likewise.
8071 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8074 2006-02-12 Roger Sayle <roger@eyesopen.com>
8077 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8078 (do_jump_parts_zero_rtx): New function renamed from
8079 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8080 (do_jump_parts_equality_rtx): New function split out from
8081 do_jump_parts_equality. Old implementation renamed as above.
8082 Call do_jump_parts_zero_rtx if either operand is zero.
8083 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8084 do all of the heavy lifting.
8085 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8086 calling either do_jump_by_parts_greater_rtx or
8087 do_jump_by_parts_equality_rtx.
8088 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8089 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8090 moved to do_compare_rtx_and_jump, call it directly.
8091 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8092 mode argument. Call do_compare_rtx_and_jump.
8093 (emit_case_nodes): Update calls to do_jump_if_equal.
8095 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8097 PR rtl-optimization/26225
8098 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8100 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8102 PR rtl-optimization/26232
8103 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8105 2006-02-11 Jason Merrill <jason@redhat.com>
8108 * tree-inline.c (declare_return_variable): Just don't use the
8109 modify target if it's a gimple complex reg and the return slot
8112 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8114 * doc/contrib.texi: Update my entry.
8116 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8118 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8120 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8122 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8125 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8127 * doc/invoke.texi (-floop-optimize2): Removed.
8128 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8129 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8130 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8131 * common.opt (floop-optimize2): Removed.
8132 (fmove-loop-invariants): Enabled by default.
8134 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8136 * tree-if-conv.c (combine_blocks): Free the result of
8137 get_loop_exit_edges.
8139 2006-02-10 Jeff Law <law@redhat.com>
8141 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8143 PR tree-optimization/26213
8144 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8145 loop trying to follow SSA_NAME_VALUE chains.
8147 2006-02-10 Richard Guenther <rguenther@suse.de>
8149 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8150 deal with structures that end in implicitly variable sized arrays.
8152 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8154 PR rtl-optimization/24762
8155 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8158 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8160 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8161 (struct ivopts_data): Add regs_used field.
8162 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8163 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8164 instead of loop_data->regs_used;
8165 (free_loop_data): Do not free aux fields for loops.
8166 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8167 and tree_ssa_iv_optimize_finalize.
8169 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8171 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8173 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8176 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8177 computing the effective result type.
8179 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8182 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8183 (tree_overlaps_hard_reg_set): Declare.
8184 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8185 type and signature to match function type expected by walk_tree.
8186 (tree_overlaps_hard_reg_set): New function.
8187 (decl_conflicts_with_clobbers_p): Rename to:
8188 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8189 Use tree_overlaps_hard_reg_set. Changed caller.
8190 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8191 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8192 * cris.c (cris_md_asm_clobbers): Likewise.
8194 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8196 * reload1.c (emit_input_reload_insns): Delete code that tries to
8197 inherit using find_equiv_reg.
8199 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8201 * c-common.h (flag_const_strings): Don't declare.
8202 * c-common.c (flag_const_strings): Remove.
8203 * c.opt (fconst_strings): Remove.
8204 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8205 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8206 (c_common_init_options): Don't set flag_const_strings.
8207 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8209 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8211 * arm.md (tlobits_cbranch): New pattern.
8212 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8213 testing a single bit.
8215 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8218 * tree-ssa-pre.c (create_component_ref_by_pieces):
8219 Handle RETURN_DECL like VAR_DECL.
8221 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8224 * fold-const.c (fold_indirect_ref_1): Fold
8225 "*(foo *)&complexfoo" to "__real__ complexfoo"
8226 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8228 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8230 * tree-flow-inline.h (var_can_have_subvars):
8231 Volatile variables should not have subvariables.
8233 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8236 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8237 multiplying unsigned values.
8240 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8242 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8244 2006-02-08 Jason Merrill <jason@redhat.com>
8247 * tree.def: Elaborate on difference from MODIFY_EXPR.
8248 * doc/c-tree.texi (INIT_EXPR): Likewise.
8249 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8250 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8251 (gimplify_target_expr): Likewise.
8252 (gimplify_cond_expr): Remove target handling.
8253 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8254 (gimplify_expr): Clobber it here.
8255 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8256 Do return slot optimization if we have an INIT_EXPR.
8259 * tree-inline.c (declare_return_variable): Also clear
8260 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8263 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8266 * gimplify.c (gimplify_one_sizepos): Fix typo.
8268 2006-02-08 Jeff Law <law@redhat.com>
8270 PR tree-optimization/21417
8271 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8272 across a backedge if the control statement at the end of the
8273 block is data dependent on other statements in the same block.
8274 (record_temporary_equivalences_from_stmts): Remove over-conservative
8275 test for threading across backedges.
8277 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8278 control statement, handle all three special cases in the same
8279 manner as they all have the same desired solution. No longer
8280 special case edge flag updating when the post dominator is
8283 2006-02-08 Roger Sayle <roger@eyesopen.com>
8285 * tree.def (CHAR_TYPE): Remove.
8286 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8287 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8288 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8289 (gen_string_type_die): Delete unreachable function.
8291 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8292 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8293 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8294 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8295 * builtins.c (type_to_class): Likewise.
8296 * fold-const.c (fold_convert, build_range_check,
8297 merge_ranges): Likewise.
8298 * expr.c (count_type_elements): Likewise.
8299 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8300 * stor-layout.c (layout_type): Likewise.
8301 * ipa-type-escape.c (type_to_consider): Likewise.
8302 * gimplify.c (omp_firstprivatize_type_sizes,
8303 gimplify_type_sizes): Likewise.
8304 * explow.c (promote_mode): Likewise.
8305 * tree-sra.c (is_sra_scalar_type): Likewise.
8306 * varasm.c (output_constant): Likewise.
8307 * tree-inline.c (remap_type_1): Likewise.
8308 * convert.c (convert_to_pointer, convert_to_real,
8309 convert_to_integer, convert_to_complex): Likewise.
8311 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8313 * df-scan.c (df_def_record_1): A set destination may
8314 be a parallel regardless of mode.
8316 2006-02-08 Roger Sayle <roger@eyesopen.com>
8319 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8320 * config/mips/_tilib.c: Remove.
8321 * config/fixtfdi.c: New libgcc source file.
8322 * config/fixunstfdi.c: New source file.
8323 * config/floatditf.c: New source file.
8324 * config/floatunditf.c: New souce file.
8325 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8326 files above instead of config/mips/_tilib.c.
8327 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8329 2006-02-08 Jeff Law <law@redhat.com>
8331 PR tree-optimization/26169
8332 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8335 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8337 * df.h (DF_REG_SIZE): Return the length of the initialized
8340 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8342 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8343 __muldf3): Return a correctly signed zero.
8345 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8347 * passes.c (register_one_dump_file): Accept the current properties
8348 instead of pass number. Adjust call to dump_register. Remove
8350 (register_dump_files): Now a wrapper around...
8351 (register_dump_files_1): ... this one. Do not modify the pass
8353 (next_pass_1): Cosmetic fix.
8354 (execute_todo): Keep second parameter only. Use curr_properties
8355 instead of fetching it from the pass structure. Check and set
8357 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8358 instead of fetching it from the pass structure. Fix calls to
8359 execute_todo. Update curr_properties and initialize .vcg RTL dump
8360 after running the pass. Reset last_verified.
8361 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8363 (FIRST_AUTO_NUMBERED_DUMP): New.
8364 (dump_register): Remove "num" parameter, assign it within the
8366 (get_dump_file_name): Modify template for dumps.
8367 * tree-dump.h (dump_register): Adjust prototype.
8368 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8369 (PROP_trees): Add PROP_gimple_lomp.
8370 (TODO_set_props): New.
8371 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8372 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8373 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8375 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8377 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8378 (sparc64-*-linux*): Likewise.
8379 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8380 * config/sparc/t-linux: New file.
8381 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8382 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8383 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8384 -m32 -mlong-double-128.
8386 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8387 * config/alpha/t-linux: New file.
8388 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8390 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8391 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8392 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8393 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8394 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8395 (CPP_ARCH32_SPEC): Remove.
8397 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8399 PR tree-optimization/26145
8400 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8403 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8406 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8407 >= 240000 when generating code for SOM runtime.
8408 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8409 to $$dyncall when generating code for SOM runtime..
8411 2006-02-07 Dirk Mueller <dmueller@suse.com>
8414 * doc/invoke.texi (-Wsequence-point): Update documentation
8415 that -Wsequence-point is implemented for C++ as well.
8417 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8419 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8420 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8421 (LIB_SPEC): Likewise.
8422 * doc/invoke.texi (SPARC options): Document -pthread.
8424 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8426 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8429 2006-02-07 Roger Sayle <roger@eyesopen.com>
8431 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8432 Correct comment describing BOOLEAN_TYPE.
8434 2006-02-07 Dirk Mueller <dmueller@suse.com>
8436 * c.opt: C++ frontend supports -Wdiv-by-zero.
8437 * c-opts.c (c_common_handle_option): Remove dead case.
8439 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8441 * configure.ac (TLS assembler check): Do not enable TLS by
8442 default on SPARC/Solaris before version 10.
8443 * configure: Regenerate.
8445 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8447 * doc/invoke.texi (xl-compat): Document conversion and support
8450 2006-02-07 Jeff Law <law@redhat.com>
8452 * tree-vrp.c (find_conditional_asserts): Update comments.
8453 (simplify_stmt_for_jump_threading): New.
8454 (identify_jump_threads, finalize_jump_threads): New.
8455 (vrp_finalize): Call identify_jump_threads.
8456 (execute_vrp): Call finalize_jump_threads.
8457 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8458 (vrp_element, vrp_data, vrp_element_p): Remove.
8459 (vrp_hash_elt, vrp_variables_stack): Remove.
8460 (vrp_hash, vrp_eq, record_range): Remove.
8461 (simplify_cond_and_lookup_avail_expr): Remove.
8462 (extract_range_from_cond): Remove.
8463 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8464 (simplify_stmt_for_jump_threading): New.
8465 (dom_thread_across_edge): New wrapper.
8466 (tree_ssa_dominator_optimize): No longer initialize or
8467 finalize any of the VRP datastructures. Remove iteration
8468 step and simplify as a result of removal of iteration step.
8469 (pass_dominator): Perform a cfg cleanup after DOM.
8470 (dom_opt_finalize_block): Use the new common routines
8471 for threading jumps. Simplify stack management slightly.
8472 No longer need to unwind VRP state.
8473 (record_equivalences_from_incoming_edge): No longer record
8475 (eliminate_redundant_computations): No longer call
8476 simplify_cond_and_lookup_avail_expr.
8477 * tree-flow.h (potentially_threadable_block): Prototype.
8478 (thread_across_edge): Likewise.
8479 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8480 (tree-ssa-threadedge.o): Add dependencies.
8481 * tree-ssa-threadedge.c: New file.
8482 * passes.c (init_optimization_passes): Merge PHIs before
8483 calling VRP. Run VRP again late in the SSA optimization pipeline.
8485 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8487 * df-core.c (df_set_blocks): Do not dereference function pointers.
8488 (df_finish1): Likewise.
8489 (df_hybrid_search_forward): Likewise.
8490 (df_hybrid_search_backward): Likewise.
8491 (df_iterative_dataflow): Likewise.
8492 (df_analyze_problem): Likewise.
8493 (df_compact_blocks): Likewise.
8494 (df_dump): Likewise.
8495 * df-scan.c (df_rescan_blocks): Likewise.
8496 (df_record_entry_block_defs): Likewise.
8498 * genconditions.c (write_conditions): Guard the definition of
8499 'insn_conditions' with the check on GCC version.
8500 (write_writer): Guard the traversal 'insn_conditions' with
8501 the check on GCC version.
8503 2006-02-07 Richard Guenther <rguenther@suse.de>
8507 2006-01-30 Richard Guenther <rguenther@suse.de>
8509 * gimplify.c (gimplify_target_expr): Handle easy cases
8510 without creating a temporary.
8512 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8514 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8515 use of float in probability computations. Use edge probabilities
8516 in place of statically computed probabilities.
8517 (min_spec_prob): New static variable.
8518 (schedule_insns): Initialize it.
8519 (GET_SRC_PROB): Removed.
8520 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8522 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8525 * config/ia64/unwind-ia64.c: Revert last change.
8526 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8527 (INCOMING_FRAME_SP_OFFSET): Define.
8529 2006-02-06 Roger Sayle <roger@eyesopen.com>
8531 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8533 2006-02-07 Ben Elliston <bje@au.ibm.com>
8535 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8536 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8537 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8538 (ix86_return_in_memory): Handle TDmode.
8539 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8540 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8542 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8544 * reorg.c (dbr_schedule): Use dump_file instead of file.
8546 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8549 * config/ia64/predicates.md (extr_len_operand): New predicate.
8550 * config/ia64/ia64.md (extv): Tighten constraints.
8552 (*tbit_and_2): Ditto.
8553 (*tbit_and_3): Ditto.
8554 (*tbit_or_2): Ditto.
8555 (*tbit_or_3): Ditto.
8559 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8562 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8564 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8566 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8567 loop_optimizer_init and loop_optimizer_finalize
8568 * tree-ssa-sink.c (execute_sink_code): Ditto.
8569 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8570 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8571 tree_ssa_loop_done): Ditto.
8572 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8573 * sched-ebb.c: Include output.h.
8574 (schedule_ebbs): Do not use dump argument.
8575 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8576 * loop.c (loop_dump_stream): Removed.
8577 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8579 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8580 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8581 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8582 loop_iterations, strength_reduce, record_biv, record_giv,
8583 final_giv_value, check_final_value, check_ext_dependent_givs,
8584 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8585 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8586 dump_file instead of loop_dump_stream.
8587 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8589 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8591 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8592 * haifa-sched.c: Include output.h
8593 (schedule_insns, sched_init): Do not use dump argument.
8594 * mode-switching.c (optimize_mode_switching): Ditto.
8595 * modulo-sched.c (stats_file): Removed.
8596 (print_node_sched_params): Do not call argument dump_file.
8597 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8598 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8600 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8602 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8603 rtl_loop_init, rtl_loop_done): Ditto.
8604 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8605 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8607 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8608 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8609 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8610 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8611 * emit-rtl.c (renumber_insns): Ditto.
8612 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8613 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8614 * regclass.c (regclass): Ditto.
8615 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8616 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8617 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8618 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8620 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8621 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8623 * gcse.c (gcse_file, debug_stderr): Removed.
8624 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8625 rest_of_handle_gcse): Do not use dump argument.
8626 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8627 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8628 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8629 compute_code_hoist_vbeinout, compute_code_hoist_data,
8630 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8631 compute_store_table, build_store_vectors, insert_insn_start_bb,
8632 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8633 store_motion): Use dump_file instead of gcse_file.
8634 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8635 * profile.c (profile_dump_file): Removed.
8636 (branch_prob): Use dump_file instead of profile_dump_file.
8637 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8639 * tree-ssa-copy.c (dump_copy_of): Ditto.
8640 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8641 dump file to life_analysis.
8642 * bt-load.c (branch_target_load_optimize): Ditto.
8643 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8645 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8646 regclass, dbr_schedule): Declaration changed.
8647 * sched-int.h (sched_init): Declaration changed.
8648 * tree-profile.c (tree_profile_dump_file): Removed.
8649 (tree_profile_hooks): Removed profile_dump_file hook.
8650 * rtl-profile (rtl_profile_dump_file): Removed.
8651 (rtl_profile_hooks): emoved profile_dump_file hook.
8652 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8654 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8655 * tree-cfg.c (build_tree_cfg): Ditto.
8656 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8657 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8658 Declaration changed.
8659 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8660 life_analysis and schedule_insns.
8661 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8663 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8665 * config/mips/mips.c (mips_reorg): Ditto.
8666 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8669 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8671 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8672 (s390_mangle_fundamental_type): New.
8673 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8676 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8677 (alpha_mangle_fundamental_type): New.
8678 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8681 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8683 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8685 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8686 (sparc_mangle_fundamental_type): New.
8688 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8690 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8691 (s390x-*-linux*): Likewise.
8692 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8693 * config/s390/t-linux: New file.
8695 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8697 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8698 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8700 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8702 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8703 (ANTIC_SAFE_LOADS): New macro.
8704 (find_or_generate_expression): Add prototype.
8705 (set_contains_value): Allow null set for sake of not always having
8706 to allocate ANTIC_SAFE_LOADS.
8707 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8708 Allow COMPONENT_REF too.
8709 (valid_in_set): Allow COMPONENT_REF.
8710 Check ANTIC_SAFE_LOADS too.
8711 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8712 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8714 (can_PRE_operation): Add COMPONENT_REF.
8715 (create_component_ref_by_pieces): New function.
8716 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8717 (insert_aux): Move AGGREGATE_TYPE_P check here.
8718 (compute_avail): Set bb local stmt uids.
8719 (pass_pre): Use TODO_update_ssa_only_virtuals.
8721 2006-02-06 Ben Elliston <bje@au.ibm.com>
8723 * configure.ac: Unconditionally disable decimal float by default.
8724 * configure: Regenerate.
8726 2006-02-06 Ben Elliston <bje@au.ibm.com>
8728 * read-rtl.c (read_name): Terminate reading on EOF.
8730 2006-02-06 Ben Elliston <bje@au.ibm.com>
8732 * dfp.c (decimal_real_arithmetic): Change second argument type
8733 from int to enum tree_code. Do not always return true, but now
8734 return result of any call to decimal_do helper functions.
8735 * dfp.h (decimal_real_arithmetic): Update prototype.
8737 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8739 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8741 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8744 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8747 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8749 * tree-vrp.c (cfg_loops): Removed.
8750 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8751 Use current_loops instead of cfg_loops. Pass flags to
8752 loop_optimizer_init.
8753 * cfgloopmanip.c (fix_loop_structure): Update only available
8755 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8756 loop_optimizer_init.
8757 * modulo-sched.c (build_loops_structure): Removed.
8758 (sms_schedule): Use loop_optimizer_init.
8759 * loop-init.c (loop_optimizer_init): Use flags to determine
8760 which properties of loops to prepare.
8761 (rtl_loop_init): Pass flags to loop_optimizer_init.
8762 * tree-ssa-sink.c (execute_sink_code): Ditto.
8763 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8764 * tree-ssa-pre.c (init_pre): Ditto.
8765 * cfgloop.h (LOOPS_NORMAL): New.
8766 (loop_optimizer_init): Declaration changed.
8768 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8770 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8771 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8773 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8775 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8777 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8778 * pa/t-pa64: Delete quadlib.c rule.
8779 * pa/x-ada: Revert last change.
8780 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8782 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8784 PR rtl-optimization/26087
8785 * rtlanal.c (canonicalize_condition): Do not cross basic block
8788 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8791 * config/ia64/ia64.c: Include debug.h.
8792 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8793 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8794 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8795 (process_epilogue, process_set, process_for_unwind_directive):
8796 Output unwind info only if requested. Add CFA info if requested.
8797 Add new arguments as needed. Adjust callers.
8798 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8800 (DWARF2_FRAME_INFO): Define to zero.
8801 * config/ia64/unwind-ia64.c: Remove code that compensated for
8802 the CFA offset error fixed above.
8803 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8804 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8805 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8806 -funwind-tables and -fexceptions to enable frame info.
8807 (dwarf2out_frame_init): Define initial CFA even if
8808 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8809 DWARF2_UNWIND_INFO is nonzero, not just defined.
8810 (dwarf2out_frame_finish): Output non-EH call frame info only
8811 if DWARF2_FRAME_INFO is nonzero.
8812 (convert_cfa_to_loc_list,
8813 compute_frame_pointer_to_cfa_displacement): Define even if
8814 unwind info is not supported.
8815 (gen_subprogram_die): Use the above unconditionally. Remove
8816 legacy alternate code.
8817 * toplev.c (compile_file): Compile in call to
8818 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8819 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8821 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8822 Jakub Jelinek <jakub@redhat.com>
8824 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8825 IBM extended float format long double as "g" on powerpc*-linux.
8827 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8830 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8831 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8833 2006-02-03 Jason Merrill <jason@redhat.com>
8836 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8839 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8840 on the return slot if it's an NRV.
8842 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8844 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8845 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8846 rewrite_use): Do not handle USE_OUTER.
8847 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8848 add_iv_outer_candidates, may_replace_final_value,
8849 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8850 (find_interesting_uses_op): Functionality of
8851 find_interesting_uses_outer_or_nonlin moved here.
8852 (find_interesting_uses_outside): Use find_interesting_uses_op.
8854 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8857 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8859 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8860 Ulrich Weigand <uweigand@de.ibm.com>
8863 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8864 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8865 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8866 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8868 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8869 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8870 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8871 Define secondary reloads for TFmode moves.
8872 (constant_modes): Add TFmode.
8873 (NR_C_MODES): Set to 8.
8874 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8876 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8877 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8878 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8879 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8880 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8881 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8882 (FPR mode macro): Add TFmode.
8883 (DSF mode macro): New.
8884 (<de>, <dee> mode attributes): Removed.
8885 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8886 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8887 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8888 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8889 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8890 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8891 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8892 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8893 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8894 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8895 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8896 "*negabs<mode>2", "sqrt<mode>2"):
8897 Changed <de> to <xde>. R constraint replaced by <Rf>.
8898 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8900 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8901 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8902 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8904 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8905 "extenddftf2", "extendsftf2"): New expanders.
8906 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8907 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8908 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8909 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8911 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8912 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8913 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8914 __floatditf): Add a GCC_4.1.0 symbol version tag.
8915 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8918 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8921 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8922 Use targetm.binds_local_p instead of TREE_PUBLIC.
8924 2006-02-02 Roger Sayle <roger@eyesopen.com>
8926 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8927 on INTEGER_TYPEs to indicate that it denotes a character type.
8928 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8929 signed_char_type_node, unsigned_char_type_node and char_type_node.
8930 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8931 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8932 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8934 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8935 Daniel Berlin <dberlin@dberlin.org>
8937 * tree-tailcall.c (arg_needs_copy_p): New function.
8938 (eliminate_tail_call): Use arg_needs_copy_p.
8939 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8940 (add_virtual_phis): New function.
8942 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8944 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8945 #ignore instead of #scratch for %g7 .register directive.
8947 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8949 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8952 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8954 * flow.c (calculate_global_regs_live): Assert that there aren't any
8957 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8959 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8961 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8962 bsi_after_labels iterator.
8963 * tree-if-conv.c (find_phi_replacement_condition,
8964 replace_phi_with_cond_modify_expr): Likewise.
8965 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8966 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8968 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8970 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8972 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8975 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8976 array after growing it.
8978 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8981 * fold-const.c (fold_checksum_tree): Change type of buf.
8983 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8985 * reload.c (push_secondary_reload): Initialize t_icode.
8987 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8989 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8990 -msoft-float -mlong-double-128 only issue a warning, but don't
8991 swich to DFmode long double.
8993 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8995 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8996 has a constant equivalent, iterate over equivalents for arg0,
8997 calling simplify_relational_operation and if there's a result
8998 cheaper than X, apply fold_rtx and return the result.
9000 2006-02-01 Jan Hubicka <jh@suse.cz>
9002 * opts.c (no_unit_at_a_time_default): New global variable.
9003 (decode_options): Use it.
9004 * opts.h (no_unit_at_a_time_default): Declare.
9006 2006-02-01 Paul Brook <paul@codesourcery.com>
9008 * function.c (assign_parm_setup_reg): Use function argument promotion
9010 * expr.c (expand_expr_real_1): Use function argument promotion rules
9013 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9015 * gcc.c (process_command): Change j to 'unsigned int'.
9017 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9020 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9021 Use the corrected index for the character
9022 out of the string constant.
9024 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9026 * mode-switching.c (optimize_mode_switching): Fix size
9027 allocated for bb_info[n_entities].
9029 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9031 * gcc.c (main): Correct type that is allocated for
9032 explicit_link_files.
9034 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9036 * config/s390/s390.c (init_alignment_context): Set
9037 ALIAS_SET_MEMORY_BARRIER on the MEM.
9038 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9040 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9043 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9045 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9048 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9050 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9051 * regrename.c: Ditto.
9052 * tree-ssa-loop-im.c: Ditto.
9053 * tree-dump.c: Ditto.
9054 * tree-complex.c: Ditto.
9055 * genrecog.c: Ditto.
9056 * tree-ssa-threadupdate.c: Ditto.
9058 * java/class.c: Ditto.
9059 * java/jcf-parse.c: Ditto.
9060 * java/resource.c: Ditto.
9061 * java/except.c: Ditto.
9062 * java/jvspec.c: Ditto.
9063 * java/jcf-write.c: Ditto.
9064 * java/jcf-path.c: Ditto.
9065 * java/gjavah.c: Ditto.
9066 * java/zextract.c: Ditto.
9067 * java/jcf-io.c: Ditto.
9068 * java/jcf.h: Ditto.
9069 * java/buffer.c: Ditto.
9070 * java/lang.c: Ditto.
9071 * java/parse-scan.y: Ditto.
9072 * java/lex.c: Ditto.
9073 * java/lex.h: Ditto.
9074 * cfgloopmanip.c: Ditto.
9075 * postreload-gcse.c: Ditto.
9076 * tree-ssa-loop-manip.c: Ditto.
9077 * postreload.c: Ditto.
9078 * tree-ssa-loop-ch.c: Ditto.
9082 * diagnostic.c: Ditto.
9084 * genoutput.c: Ditto.
9086 * cfghooks.c: Ditto.
9087 * cfgloopanal.c: Ditto.
9088 * objc/objc-act.c: Ditto.
9090 * genextract.c: Ditto.
9091 * genautomata.c: Ditto.
9092 * pretty-print.c: Ditto.
9094 * cgraphunit.c: Ditto.
9097 * haifa-sched.c: Ditto.
9098 * dominance.c: Ditto.
9100 * tree-ssa-loop-ivopts.c: Ditto.
9102 * mode-switching.c: Ditto.
9103 * modulo-sched.c: Ditto.
9105 * ipa-pure-const.c: Ditto.
9107 * fix-header.c: Ditto.
9109 * tree-stdarg.c: Ditto.
9110 * ipa-utils.c: Ditto.
9111 * loop-init.c: Ditto.
9112 * ipa-inline.c: Ditto.
9115 * alloc-pool.c: Ditto.
9116 * dwarf2out.c: Ditto.
9118 * genattrtab.c: Ditto.
9119 * tree-ssa-loop-ivcanon.c: Ditto.
9123 * fortran/gfortranspec.c: Ditto.
9125 * local-alloc.c: Ditto.
9126 * langhooks.c: Ditto.
9127 * function.c: Ditto.
9128 * tree-vectorizer.c: Ditto.
9130 * ipa-type-escape.c: Ditto.
9132 * tree-if-conv.c: Ditto.
9135 * tree-data-ref.c: Ditto.
9136 * loop-unroll.c: Ditto.
9137 * treelang/treetree.c: Ditto.
9140 * ggc-common.c: Ditto.
9142 * coverage.c: Ditto.
9144 * tree-cfgcleanup.c: Ditto.
9145 * tree-ssa-pre.c: Ditto.
9146 * cfgcleanup.c: Ditto.
9147 * loop-invariant.c: Ditto.
9149 * ipa-prop.c: Ditto.
9150 * print-tree.c: Ditto.
9151 * conflict.c: Ditto.
9152 * ggc-page.c: Ditto.
9153 * sched-deps.c: Ditto.
9154 * regclass.c: Ditto.
9155 * tree-object-size.c: Ditto.
9157 * bb-reorder.c: Ditto.
9158 * resource.c: Ditto.
9159 * var-tracking.c: Ditto.
9161 * df-problems.c: Ditto.
9162 * reg-stack.c: Ditto.
9165 * sched-rgn.c: Ditto.
9166 * tree-ssa-structalias.c: Ditto.
9167 * tree-ssa-reassoc.c: Ditto.
9168 * config/darwin-c.c: Ditto.
9169 * config/darwin.c: Ditto.
9170 * config/arm/arm.c: Ditto.
9172 * collect2.c: Ditto.
9175 2006-01-31 Nicolas Pitre <nico@cam.org>
9177 * arm.md (smaxsi3): Make aware of smax_m1.
9180 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9182 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9184 2006-01-31 Richard Guenther <rguenther@suse.de>
9186 * doc/invoke.texi (-msselibm): Document.
9187 * target.h (expand_library_builtin): New target hook.
9188 * builtins.c (expand_builtin): Use expand_library_builtin.
9189 (default_expand_library_builtin): New function.
9190 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9191 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9192 (link_gcc_math_spec): Declare.
9193 (static_specs): Add link_gcc_math_spec.
9194 * expr.h (default_expand_library_builtin): Declare.
9195 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9196 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9197 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9198 * config/i386/i386.opt (msselibm): New target option.
9199 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9200 (ix86_init_sse_abi_builtins): New function.
9201 (ix86_expand_library_builtin): Likewise.
9202 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9203 (override_options): Handle error conditions wrt -msselibm.
9204 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9205 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9206 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9209 2006-01-31 Richard Guenther <rguenther@suse.de>
9210 Paolo Bonzini <bonzini@gnu.org>
9212 * doc/install.texi (--disable-libgcc-math): Document.
9214 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9216 * expr.h (expand_normal): new inline function.
9217 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9219 * dwarf2out.c: use it.
9224 * config/sparc/sparc.c: use it.
9225 * config/i386/i386.c: use it.
9226 * config/rs6000/rs6000.c: use it.
9227 * config/arm/arm.c: use it.
9228 * config/mips/mips.c: use it.
9229 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9231 2006-01-30 Roger Sayle <roger@eyesopen.com>
9233 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9234 argv to the appropriate type.
9236 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9238 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9241 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9244 * config/s390/s390.c (struct machine_function): New flag
9245 decomposed_literal_pool_addresses_ok_p.
9246 (s390_reorg): Set it before final stage of literal pool transforms.
9247 (s390_decompose_address): Only accept displacements of the form
9248 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9250 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9252 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9253 the comparison routine return.
9255 2006-01-30 Michael Matz <matz@suse.de>
9257 * global.c (find_reg): Only evict for global regs.
9258 Take n_refs into account and dump more info.
9260 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9263 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9264 (pragma_trap, pragma_nosave_low_regs): Likewise.
9265 (current_function_anonymous_args): Likewise.
9266 (sh_deferred_function_attributes): New variable.
9267 (sh_deferred_function_attributes_tail): Likewise.
9268 (print_operand): For '@', look up trap_exit attribute.
9269 (calc_live_regs): Look up trapa_handler attribute. For trapa
9270 handlers, save/restore fpscr, but don't do any other
9271 interrupt-specific saves.
9272 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9273 Fix check for partially saved registers to check for SHmedia.
9274 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9275 (sh_output_function_epilogue): Don't clear any of the removed
9277 (sh_insert_attributes): Don't check pragma_interrupt.
9278 Insert deferred attributes. Check that interrupt attribute is
9279 present for other attributes that require its presence.
9280 (sh_attribute_table): Add new attributes trapa_handler and
9282 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9283 Don't check for pragma_interrupt. Don't store argument.
9284 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9285 (sh_deferred_function_attributes): Declare.
9286 (sh_deferred_function_attributes_tail): Likewise.
9287 * sh.md (sp_switch_1): Add operand. Change generator caller.
9288 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9289 (*return_i): Don't use when trap_exit attribute is in effect.
9290 (*return_trapa): New insn pattern.
9292 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9293 setting c_target_objs and cxx_target_objs.
9294 * t-sh: Add rule for sh-c.o.
9296 2006-01-30 Richard Guenther <rguenther@suse.de>
9299 * gimplify.c (gimplify_target_expr): Handle easy cases
9300 without creating a temporary.
9302 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9304 * vec.h (safe_grow): Remove duplicated line.
9306 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9309 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9310 (expand_omp): ... here.
9311 (expand_omp_parallel): Only remove barriers for combined
9312 parallel+workshare constructs.
9314 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9318 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9319 * tree.c (build_qualified_type): Chain the new type to the original
9320 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9321 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9322 (build_pointer_type_for_mode): Only return unqualified types.
9323 (build_reference_type_for_mode): Likewise.
9325 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9327 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9328 * Makefile.in (CXX_COMPAT_WARN): Define.
9329 * configure: Regenerate.
9331 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9334 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9337 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9339 * toplev.c: Fix thinko.
9341 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9342 Marcin Dalecki <martin@dalecki.de>
9344 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9345 (push_srcloc): Use XNEW.
9346 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9348 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9350 * df-core.c (df_set_blocks): Deleted all variable.
9352 2006-01-28 Ian Lance Taylor <ian@airs.com>
9354 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9355 cgraph_output_pending_asms.
9357 2006-01-28 Zack Weinberg <zackw@panix.com>
9359 * c.opt: Add -W(no-)overlength-strings.
9360 * doc/invoke.texi: Document it.
9361 * c-opts.c (c_common_handle_option): -pedantic implies
9362 -Woverlength-strings, if not explicitly disabled already.
9363 (c_common_post_options): -Woverlength-strings defaults to off, and
9364 is always off for C++.
9365 * c-common.c (fix_string_type): Issue warning about strings longer
9366 than is portable only if warn_overlength_strings. Rearrange code
9367 a little for clarity.
9368 * configure.in: Check for -Wno-overlength-strings as well before
9369 enabling -pedantic in stage 1.
9370 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9371 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9373 * genconditions.c (write_header, write_one_condition)
9374 (write_conditions, write_writer): Consolidate very long strings
9375 that were broken up to fit in C89 portable limit. Don't use
9376 printf when fputs will do.
9378 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9380 * combine.c (simplify_comparison <AND>): Check
9381 TRULY_NOOP_TRUNCATION before start using a subreg.
9383 * config/mips/mips.md (*branch_zero<mode>,
9384 *branch_zero<mode>_inverted, *branch_equality<mode>,
9385 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9386 Remove mode check from comparisons.
9388 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9390 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9392 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9394 * expmed.c (const_mult_add_overflow_p): Remove.
9395 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9397 * recog.c (validate_replace_rtx_subexp): Remove.
9398 * recog.h: Remove the prototype for
9399 validate_replace_rtx_subexp.
9401 * integrate.h: Remove the prototype for
9402 copy_decl_for_inlining.
9403 * rtl.h: Remove the prototype for mark_constant_function.
9404 * tree-vectorizer.h: Remove the prototype for
9405 vect_strip_conversion.
9407 * modulo-sched.c (create_partial_schedule,
9408 free_partial_schedule, reset_partial_schedule): Make them
9411 * hooks.c (hook_bool_rtx_int_false): Remove.
9412 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9414 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9416 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9417 and -mlong-double-128 are incompatible.
9418 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9419 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9420 (TARGET_LIBGCC2_CFLAGS): Define.
9421 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9422 (TARGET_LIBGCC2_CFLAGS): Same.
9423 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9425 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9428 * c-typeck.c (build_binary_op): Perform implicit casts of
9429 operands before shortening them.
9431 * cfgloopmanip.c (split_loop_bb): Remove.
9432 * cfgloop.h: Remove the prototype for split_loop_bb.
9434 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9435 * cfgloop.h: Remove the prototype for
9436 flow_loop_outside_edge_p.
9438 * emit-rtl.c (init_virtual_regs): Make it static.
9439 * function.h: Remove the prototype for init_virtual_regs.
9441 * recog.c (peephole2_optimize): Make it static.
9442 * recog.h: Remove the prototype for peephole2_optimize.
9444 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9446 * df-scan.c (df_record_entry_block_defs): Check if
9447 INCOMING_RETURN_ADDR_RTX is defined.
9449 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9450 Kenneth Zadeck <zadeck@naturalbridge.com>
9452 PR rtl-optimization/24762
9453 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9454 * targhooks.c (hook_void_bitmap): New hook prototype.
9455 * targhoohs.h (hook_void_bitmap): Ditto.
9456 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9457 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9458 * target.h (live_on_entry): New function pointer.
9459 * df-scan.c (df_all_hard_regs): Removed.
9460 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9461 (df_scan_free_internal): Added df->entry_block_defs.
9462 (df_scan_alloc): Ditto.
9463 (df_scan_dump): Ditto.
9464 (df_uses_record): Plumbed flag field properly thru calls.
9465 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9466 This part fixes PR24762.
9467 (df_bb_refs_record): Added code to make the frame and arg
9468 pointers live in EH blocks.
9469 (df_refs_record): Added call to df_record_entry_block_defs.
9470 (df_record_entry_block_defs): New function.
9471 * df-core.c: Added comments to describe new artifical defs.
9472 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9473 (entry_block_defs): New field in struct df.
9474 (df_all_hard_regs): Deleted.
9475 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9476 * df-problems.c (df_ru_bb_local_compute_process_def):
9477 Added code to handle artifical defs in the entry to a function.
9478 (df_ru_bb_local_compute): Ditto.
9479 (df_rd_bb_local_compute_process_def): Ditto.
9480 (df_rd_bb_local_compute): Ditto.
9481 (df_lr_bb_local_compute): Ditto.
9482 (df_ur_bb_local_compute): Ditto.
9483 (df_urec_bb_local_compute): Ditto.
9484 (df_chain_create_bb): Ditto.
9485 (df_ur_local_finalize): Removed entry.
9486 (df_urec_init): Ditto.
9487 (df_urec_local_finalize): Ditto.
9488 (df_ri_bb_compute): Added detection of last use of pseudos.
9489 * Makefile.in (df-scan.o): Updated dependencies.
9490 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9491 * config/mips/mips.c (mips_set_live_on_entry): Added.
9492 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9494 * dce.c (marked_insn_p): Added code to handle artifical defs.
9496 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9498 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9500 (_mm_cvtsi128_si64): Likewise.
9501 (_mm_cvtsd_si64): Likewise.
9502 (_mm_cvttsd_si64): Likewise.
9503 (_mm_cvtsi64_sd): Likewise.
9504 (_mm_cvtsi64_si128): Likewise.
9505 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9506 (_mm_cvtsi64_m64): Likewise.
9507 (_m_to_int64): Likewise.
9508 (_mm_cvtm64_si64): Likewise.
9509 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9510 (_mm_cvttss_si64): Likewise.
9511 (_mm_cvtsi64_ss): Likewise.
9512 (_mm_cvtss_f32): Likewise.
9514 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9516 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9517 for pragma redefine_extname.
9519 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9522 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9523 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9524 -mno-minimal-toc to previous content.
9525 (bispecs): Remove goal.
9526 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9527 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9528 compatibility aliases on powerpc-*-*gnu*.
9529 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9530 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9531 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9532 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9533 (ldblspecs): New goal.
9534 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9535 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9537 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9538 L_sf_to_tf or L_df_to_tf is defined.
9540 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9541 Alan Modra <amodra@bigpond.net.au>
9544 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9545 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9546 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9547 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9548 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9549 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9550 (rs6000_override_options): Initialize rs6000_ieeequad.
9551 Initialize TFmode format to ibm_extended_format if not
9553 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9555 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9556 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9557 (function_arg_advance): IBM long double passed in two FPRs, not
9559 (function_arg): IBM long double passed in FPRs.
9560 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9561 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9562 Only multireg GPR aligned.
9563 (rs6000_init_libfuncs): Enable IBM long double functions if not
9565 (rs6000_generate_compare): Use IBM long double compare if not
9567 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9568 (TARGET_IEEEQUAD): Define.
9569 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9570 not TARGET_IEEEQUAD.
9571 * config/rs6000/rs6000.md: Enable TFmode patterns if
9573 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9574 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9575 and -mlong-double-128 are incompatible.
9576 * doc/invoke.texi (-mabi): Collect options together. Add
9577 ibmlongdouble and ieeelongdouble.
9579 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9581 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9583 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9584 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9585 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9586 * rtl.h (rtunion_def): Remove rt_ptr.
9588 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9589 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9590 * config/i386/winnt.c (i386_pe_mark_dllexport)
9591 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9593 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9595 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9597 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9601 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9602 pthread_key_delete. From John David Anglin. gthrw-ify
9603 pthread_getunique_np only if it it's not a macro. Delete
9605 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9606 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9607 __gthread_objc_condition_signal, __gthread_key_delete): Add
9608 "__attribute__ ((__unused__))" to unused arguments.
9609 (__gthread_recursive_mutex_init_function): Add missing return.
9610 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9611 gthr-posix95.h: Use macro-based approach for name redirection
9612 on targets missing weakref.
9614 2006-01-26 Zack Weinberg <zackw@panix.com>
9616 * genconditions.c (write_header): In generated code, #ifdef out
9617 all includes and fake declarations, except includes of bconfig.h
9618 and system.h, unless GCC_VERSION >= 3001. Do not include
9619 gensupport.h in any case.
9620 (write_conditions): Generate a definition of struct c_test. Add
9621 a comment to the generated #endif.
9622 (write_one_condition): Escape backslashes in string too.
9623 (write_writer): Generated code must escape backslashes and quote
9624 marks (but not newlines) in the strings it writes.
9625 * Makefile.in (build/gencondmd.o): Update dependencies.
9627 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9630 * Makefile.in (insn-automata.o): Add header file dependencies.
9631 * genautomata.c: Add includes.
9633 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9636 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9638 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9640 * configure.ac: Expect target tools paths to be passed from the toplevel
9641 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9643 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9645 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9648 * c.opt (Wpointer-sign): Init to -1.
9649 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9650 OPT_pedantic, to 0 otherwise.
9651 * doc/invoke.texi: Update.
9653 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9655 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9656 constants provided by 80387 instructions in the destination mode.
9658 2006-01-26 Richard Guenther <rguenther@suse.de>
9659 Andrew Pinski <pinskia@physics.uc.edu>
9662 partial PR tree-opt/17064
9663 * tree-ssa-structalias.c (intra_create_variable_infos):
9664 Create heap variables for incoming parameters if
9665 flag_argument_noalias > 1.
9666 (find_what_p_points_to): Look through default defs of
9669 2006-01-26 Jeff Law <law@redhat.com>
9672 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9673 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9674 within the VR_RANGE, use the VR_RANGE as the result, not the
9676 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9677 bounds for the type.
9679 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9681 * tree-ssa-alias.c (maybe_create_global_var): Change
9682 subvar walking to an assertion that we don't have subvar'd variables.
9684 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9687 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9688 Use a new variable, inner. PARM_DECLs are always non-weak.
9690 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9692 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9695 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9697 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9699 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9701 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9702 (smax_insn, smin_insn, smax_0, smin_0): New.
9704 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9707 * config/cris/cris.c (cris_order_for_addsi3): New function.
9708 * config/cris/cris-protos.h: Prototype it.
9709 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9710 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9711 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9712 (split for "op.S1 [rx=rx+i],ry (swapped)")
9713 (split for "op(s|u).S1 [rx=rx+i],ry")
9714 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9715 Apply cris_order_for_addsi3 when generating addsi3 insns.
9717 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9719 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9720 (TREE_BLOCK): Add call to EXPR_CHECK.
9722 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9725 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9726 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9727 (dump_omp_clauses): ... here.
9728 (dump_generic_node): Handle OMP_CLAUSE.
9729 * tree.c (omp_clause_num_ops): New.
9730 (omp_clause_code_name): New.
9731 (tree_code_size): Handle OMP_CLAUSE.
9732 (tree_size): Likewise.
9733 (make_node): Document handling of OMP_CLAUSE.
9734 (tree_node_structure): Handle OMP_CLAUSE.
9735 (omp_clause_check_failed): New.
9736 (omp_clause_range_check_failed): New.
9737 (omp_clause_operand_check_failed): New.
9738 (build_omp_clause): New.
9739 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9740 * tree.h (enum omp_clause_code): Declare.
9741 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9742 (OMP_CLAUSE_RANGE_CHECK): Define.
9743 (OMP_CLAUSE_ELT_CHECK): Define.
9744 (omp_clause_check_failed): Declare.
9745 (omp_clause_operand_check_failed): Declare.
9746 (omp_clause_range_check_failed): Declare.
9747 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9748 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9749 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9750 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9751 (OMP_CLAUSE_IF_EXPR): Likewise.
9752 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9753 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9754 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9755 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9756 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9757 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9758 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9759 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9760 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9761 (OMP_CLAUSE_CODE): Define.
9762 (OMP_CLAUSE_SET_CODE): Define.
9763 (OMP_CLAUSE_CODE): Define.
9764 (OMP_CLAUSE_OPERAND): Define.
9765 (struct tree_omp_clause): Declare.
9766 (union tree_node): Add field 'omp_clause'.
9767 * treestruct.def (TS_OMP_CLAUSE): Define.
9768 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9769 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9770 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9771 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9772 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9773 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9774 (OMP_CLAUSE): Define.
9775 * print-tree.c (print_node): Handle OMP_CLAUSE.
9776 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9777 * c-typeck.c: Likewise.
9778 * gimplify.c: Likewise.
9779 * c-omp.c: Likewise.
9780 * tree-nested.c: Likewise.
9781 * tree-inline.c: Likewise.
9782 * c-parser.c: Likewise.
9783 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9786 2006-01-25 Roger Sayle <roger@eyesopen.com>
9788 PR rtl-optimization/25703
9789 * combine.c (try_combine): Handle zero_extract and strict_low_part
9790 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9792 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9794 * global.c: Fix comment typos.
9796 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9799 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9800 Use output_addr_const instead of assemble_name.
9802 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9804 * Makefile.in (sched-vis.o): Update dependencies.
9805 * haifa-sched.c (sched_finish): Clear current_sched_info.
9806 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9807 (dump_flow_info): Call it.
9808 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9810 * basic-block.h (dump_bb_info): Declare.
9811 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9812 option, and apply options only for dump files whose TDF_RTL,
9813 TDF_TREE, or TDF_IPA bits match.
9814 * rtl.h: Declare new functions exported from sched-vis.c.
9815 * sched-vis.c: Enable also if scheduling is not used.
9816 (print_value): Print the mode of registers if not inside scheduling.
9817 (print_insn): Make it work outside the scheduler. Beautify the output
9819 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9821 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9823 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9824 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9825 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9826 depending on the value of CONSTANT_POOL_ADDRESS_P.
9827 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9829 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9830 rather than SYMBOL_REF_DECL.
9831 (rtx_constant_pool): Remove const_rtx_sym_htab.
9832 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9833 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9834 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9835 Remove handling of const_rtx_sym_htab.
9836 (find_pool_constant): Delete.
9837 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9838 rather than find_pool_constant.
9839 (get_pool_constant_for_function): Delete.
9840 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9842 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9843 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9844 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9845 (SYMBOL_REF_CONSTANT): New macro.
9846 (get_pool_constant_for_function): Delete.
9847 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9848 rather than SYMBOL_REF_DECL.
9849 (i386_pe_mark_dllimport): Likewise.
9850 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9851 rather than SYMBOL_REF_DECL.
9852 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9853 (machopic_indirect_call_target): Likewise.
9855 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9857 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9859 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9861 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9863 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9865 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9867 2006-01-24 David Daney <ddaney@avtrex.com>
9870 * configure.ac (enable_tls): New enable option.
9871 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9872 * configure: Regenerate.
9873 * doc/install.texi (--enable-tls): Document new option.
9874 (--disable-tls): Ditto.
9876 2006-01-24 Richard Henderson <rth@redehat.com>
9878 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9879 * alias.c (true_dependence): Respect it.
9880 (canon_true_dependence, write_dependence_p): Likewise.
9881 * builtins.c (get_builtin_sync_mem): Set it.
9883 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9885 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9888 2006-01-24 DJ Delorie <dj@redhat.com>
9890 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9891 for storing constants in single-bit bitfields.
9893 2006-01-25 Ben Elliston <bje@au.ibm.com>
9895 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9897 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9900 * tree-ssa-pre.c (phi_translate): Return NULL
9901 for AGGREGATE_TYPE's.
9903 2006-01-24 Zack Weinberg <zackw@panix.com>
9905 * genautomata.c (process_state_for_insn_equiv_partition):
9906 Use xcalloc for insn_arcs_array.
9907 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9908 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9910 2006-01-24 Richard Henderson <rth@redhat.com>
9912 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9915 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9917 PR rtl-optimization/25890
9918 PR rtl-optimization/25905
9919 * combine.c (expand_compound_operation, expand_field_assignment):
9920 Fail if the bitfield's final position is out of bounds.
9922 2006-01-24 Ian Lance Taylor <ian@airs.com>
9925 * cgraphunit.c (cgraph_output_in_order): Don't clear
9926 cgraph_asm_nodes until after asm strings have been output.
9928 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9930 * fix-header.c (read_scan_file): Add new parameter imultilib when
9931 calling register_include_chains.
9933 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9935 * omp-low.c: Update documentation.
9937 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9938 Daniel Berlin <dberlin@dberlin.org>
9942 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9943 return from the function.
9945 2006-01-22 Zack Weinberg <zackw@panix.com>
9947 * rtl.def (match_code): Add second argument.
9948 * genpreds.c (write_extract_subexp): New function.
9949 (write_match_code): Add path argument. Use write_extract_subexp.
9950 (write_predicate_expr): Pass path to write_match_code.
9951 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9952 not perform a mode test.
9953 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9954 a subexpression does not constrain the top-level code set.
9955 * read-rtl.c (read_rtx_variadic): New function.
9956 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9957 * doc/md.texi: Document new notation.
9958 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9959 (cmpsi_operand): ... here, using new notation.
9961 2006-01-22 Zack Weinberg <zackw@panix.com>
9963 * varray.c: Remove GENERATOR_FILE #ifdefs.
9965 2006-01-22 Zack Weinberg <zackw@panix.com>
9967 * genautomata.c (output_reserved_units_table): Emit nothing if
9968 description->query_units_num is zero. Remove extra blank line.
9969 (output_cpu_unit_reservation_p): Short circuit
9970 if description->query_units_num is zero.
9972 2006-01-22 Zack Weinberg <zackw@panix.com>
9974 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9975 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9976 nor any of the random handful of variables that used to be necessary
9977 when this program was linked with rtlanal.o. Prune set of forward
9978 function declarations.
9979 (struct attr_desc): Remove static_p field.
9980 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9981 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9982 (attr_string): Do not read the character one past the length of
9984 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9985 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9986 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9987 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9988 (make_automaton_attrs): New.
9989 (main): Do not call into genautomata. Call local gen_bypass
9990 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9991 Remove special case for insn_alts.
9992 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9993 varray.h (leftover from previous change). Prune set of forward
9994 function declarations. Remove state_alts fields from all
9995 structures. Remove state_alts_table from struct automaton.
9996 Make everything except main static. Do not maintain num_dfa_decls.
9997 Do not maintain state_alts fields of various structures.
9998 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9999 (add_arc): Remove state_alts argument. All callers updated.
10000 (output_reserved_units_table): Emit #ifdef here...
10001 (output_tables): ...not here. Don't generate state_alts tables.
10002 (expand_automata): Don't generate attributes.
10003 (write_automata): Don't generate state_alts functions.
10004 (main): New function.
10005 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10006 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10007 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10008 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10009 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10010 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10011 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10012 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10014 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10015 * genattrtab.h: Delete file.
10016 * Makefile.in (OBJS-common): Add insn-automata.o.
10017 (insn-automata.o): New rule.
10018 (simple_generated_c): Add insn-automata.c.
10019 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10020 (genprogmd): Add automata.
10021 (build/genattrtab): Needs no extra objects nor libraries.
10022 (build/genautomata): Needs build/vec.o and -lm.
10024 2006-01-22 Zack Weinberg <zackw@panix.com>
10026 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10027 (output_dfa_max_issue_rate, locked_states_num): Delete.
10028 (struct automaton): Add locked_states field.
10029 (output_dead_lock_vect): Save number of locked states in
10030 automaton->locked_states. If it is zero, don't print anything.
10031 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10032 (output_internal_dead_lock_func): Only test the dead_lock_vect
10033 for automata that have locked states.
10034 (output_statistics): Always print the number of locked states for
10035 each automaton. Calculate total number of locked states here.
10036 (write_automata): Don't call output_dfa_max_issue_rate.
10037 * genattrtab.c: Define length_unit_log as a const variable.
10038 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10039 max_insn_queue_index const.
10040 * final.c (length_unit_log): Declare const.
10041 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10043 2006-01-22 Zack Weinberg <zackw@panix.com>
10045 * genautomata.c: Include vec.h, not varray.h.
10046 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10047 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10048 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10049 VEC_* macros operating on appropriately typed vectors, or to
10050 malloced arrays when the size is known in advance. Const-ify
10051 many char* variables and function arguments. No functional changes.
10052 * Makefile.in (build/varray.o): Delete rule.
10053 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10054 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10056 2006-01-22 Zack Weinberg <zackw@panix.com>
10058 * gensupport.c: Define get_insn_name and record_insn_name here.
10059 (read_md_rtx): Call record_insn_name as appropriate.
10060 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10061 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10062 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10064 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10065 (BUILD_VARRAY): Delete.
10066 (genprognormal): Rename genprogmd. Fold in all programs from
10067 genprognoprint; also attrtab.
10068 (build/genattrtab): Just mention genautomata.o and varray.o.
10069 Reorganize a bit, add comments to make the categories clearer.
10071 2006-01-22 Zack Weinberg <zackw@panix.com>
10073 * genconditions.c (condition_table, add_condition): Delete.
10074 (write_conditions): Don't emit n_insn_conditions nor
10075 insn_elision_unavailable. Issue the gcc version #ifdef here,
10076 inside the table, with no #else clause ...
10077 (write_header): ...not here.
10078 (write_writer): New function.
10079 (main): Don't initialize condition_table. Use add_c_test.
10081 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10082 files on the command line.
10083 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10084 Return -1 if there is no entry in the table, don't abort.
10085 (add_c_test, traverse_c_tests): New functions.
10086 * gensupport.h (insn_elision_unavailable, insn_conditions)
10087 (n_insn_conditions): Delete declarations.
10088 (add_c_test, traverse_c_tests): Declare.
10089 * read-rtl.c: Include gensupport.h.
10090 (read_conditions): New function.
10091 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10092 (read_rtx_1): If we get EOF when we were looking for an initial
10093 open paren, return 0. Call read_conditions when appropriate.
10094 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10095 dummy-conditions.o. Eliminate references to insn-conditions.o,
10096 or change them to build/gencondmd.o, as appropriate. Remove
10097 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10098 from $(simple_generated_c). For all files remaining in those
10099 two lists, add insn-conditions.md to the generator command line.
10100 Give insn-constants.h/s-constants their own rules. Add rules
10101 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10102 (build/read-rtl.o): Depend on gensupport.h.
10103 (genprognormal): Include preds.
10104 (genprogearly): Rename genprognoprint; only difference is now that
10105 they don't link with $(BUILD_PRINT).
10106 * dummy-conditions.c: Delete.
10108 2006-01-22 Zack Weinberg <zackw@panix.com>
10110 * genextract.c: Don't include insn-config.h. Do include vec.h.
10111 Declare vectors of int, char, and locstr.
10112 (locstr): New typedef.
10113 (struct extraction): Make all array fields into bare pointers.
10114 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10115 (insn_code_number): Delete.
10116 (accum_extract): New struct.
10117 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10118 (gen_insn): Take insn_code_number as an argument. Use an
10119 accum_extract structure instead of loading data directly into
10120 a struct extraction, and having to know how big it might get.
10121 (walk_rtx): Operate entirely on an accum_extract structure.
10122 (print_path): Avoid unnecessary use of printf.
10123 (print_header): New function, split out of main. Distinguish
10124 more carefully between an unrecognizable insn and an insn that
10125 has the code number of a define_expand.
10126 (main): Pass insn_code_number to gen_insn. Call print_header
10127 only after parsing. Avoid unnecessary use of printf.
10128 * Makefile.in (build/vec.o): New rule.
10129 (build/genextract): Depend on build/vec.o.
10130 (build/genextract.o): Don't depend on insn-config.h.
10132 2006-01-22 Zack Weinberg <zackw@panix.com>
10134 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10135 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10136 practical. Eliminate per-generator-program link rules.
10138 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10140 PR middle-end/24437
10141 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10142 with a call expr to ...
10143 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10145 2006-01-23 Richard Guenther <rguenther@suse.de>
10147 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10148 before make_edge with conditional EDGE_TRUE_VALUE.
10150 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10151 Jan Hubicka <jh@suse.cz>
10152 Richard Guenther <rguenther@suse.de>
10154 PR rtl-optimization/25654
10155 * cfgexpand.c (aggregate_contains_union_type): New function.
10156 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10157 for structure variables that contain a union type.
10159 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10161 * gengtype.c (new_structure): Return the structure.
10162 (create_option): Add an extra "next" argument.
10163 (create_field): New function.
10164 (adjust_field_rtx_def): Use create_option and create_field.
10165 Remove a now-unnecessary call to find_structure.
10166 (adjust_field_tree_def): Likewise.
10167 (note_yacc_type): Remove an unnecessary call to find_structure.
10168 * gengtype.h (new_structure): Return the structure.
10169 (create_option): Add an extra argument.
10170 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10171 (option): Adjust calls to create_option.
10173 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10175 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10177 2006-01-22 Paul Brook <paul@codesourcery.com>
10178 Peter Barada <peter@the-baradas.com>
10180 * config/m68k/m68k.md: Add Coldfire FPU support.
10181 Define FP mode macro and associated attributes.
10182 Use it for float mode patterns.
10183 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10184 (LIBCALL_VALUE): Use m68k_libcall_value.
10185 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10186 (m68k_function_value): Ditto.
10187 (emit_move_sequence): Ditto.
10188 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10189 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10190 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10191 (MULTILIB_EXCEPTIONS): Ditto.
10192 * config/m68k/m68k.opt: Add mcfv4e.
10193 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10194 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10195 (m68k_output_function_prologue): Save ColdFire FPU registers.
10196 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10197 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10198 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10199 ColdFire FPU registers.
10200 (m68k_libcall_value, m68k_function_value): New functions.
10201 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10202 (LIBCALL_VALUE): Use m68k_libcall_value.
10203 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10204 (MASK_COLDFIRE): Add MASK_CFV4E.
10205 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10206 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10207 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10208 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10209 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10210 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10211 * doc/invoke.tex: Document -mcfv4e on m68k.
10213 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10215 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10218 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10221 * c-opts.c (c_common_handle_option): Don't include
10222 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10223 * doc/invoke.texi (C++ Dialect Options): Document that
10224 -Wnon-virtual-dtor is no longer included in -Wall.
10226 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10228 * gcov.c (print_version), gcov-dump.c (print_version),
10229 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10232 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10234 * df-scan.c (problem_SCAN): Added NULL reset function.
10235 (df_scan_reset_blocks): Added code to call reset block function
10236 (df_bb_refs_delete) Fixed comment.
10237 (df_insn_refs_delete): Made tolerant of deleting non existent info
10238 for dataflow problems that need to be reset.
10239 * df-core.c (df_set_blocks): Ditto.
10240 * df.h (struct df_problem): Added reset_fun.
10241 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10242 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10243 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10244 functions to clear out all references to def-use or use-def chains.
10246 2006-01-21 Ben Elliston <bje@au.ibm.com>
10248 * varasm.c (assemble_real): Initialise data array.
10250 2006-01-20 Paul Brook <paul@codesourcery.com>
10252 Merge from csl-arm-branch.
10253 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10254 * config/arm/arm.md (movdi): Force operands[1] to a register
10255 if we have a non-register source.
10256 (*arm_movdi, *movdf_soft_insn): Require that one of the
10257 operands be a register.
10258 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10259 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10261 2006-01-20 DJ Delorie <dj@redhat.com>
10263 * varasm.c (initializer_constant_valid_p): Allow pointers
10264 initialized from integer constants of lesser precision.
10265 (output_constant): Allow non-int-sized pointer modes to be
10266 initialized from integer constants.
10268 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10271 * cppdefault.h (struct default_include): Add multilib flag.
10272 * cppdefault.c (cpp_include_defaults): Set it.
10273 * c.opt (-imultilib): New option.
10274 * c-opts.c (imultilib): New.
10275 (c_common_handle_option): Handle -imultilib.
10276 (c_common_post_options): Likewise.
10277 * c-incpath.c (add_standard_paths, register_include_chains):
10279 * c-incpath.h (register_include_chains): Add extra parameter.
10280 * gcc.c (do_spec_1): Generate -imultilib option.
10281 (The Specs Language): Update %I description.
10282 (process_command): Update copyright notice.
10283 * doc/cppopts.texi (-imultilib): Document.
10284 * doc/invoke.texi (-imultilib): Include in option summary.
10285 (%I): Update specs documentation.
10287 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10289 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10291 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10293 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10296 2006-01-20 Richard Guenther <rguenther@suse.de>
10297 Steven Bosscher <stevenb.gcc@gmail.com>
10299 PR rtl-optimization/24626
10300 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10301 EDGE_TRUE_VALUE if in RTL mode.
10304 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10305 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10307 2006-01-20 Dirk Mueller <dmueller@suse.com>
10310 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10311 instead of a special NOP marker.
10312 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10313 NOP marker handling.
10314 * c-common.h (empty_body_warning): Add forward declaration.
10315 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10316 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10318 2006-01-20 Paul Brook <paul@codesourcery.com>
10320 * Makefile.in (lang_checks): Keep going if mkdir fails.
10322 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10324 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10325 be able to clean out basic block when not necessary.
10326 (df_scan_free): Fixed to properly delete information if df is
10327 unused before calling df_finish.
10328 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10329 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10331 (df_bb_refs_delete): New function.
10332 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10333 * df-core.c (df_set_blocks): Added code to properly clean out
10334 unused blocks if they are not part of the blocks to consider.
10335 Added additional null check.
10336 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10337 be able to clean out basic block when not necessary
10338 * df.h (df_free_bb_function): Ditto.
10339 (df_bb_refs_delete): New function.
10340 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10341 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10342 basic block parameter to be able to clean out basic block when not
10344 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10345 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10346 Fixed to properly delete information if df is unused before
10349 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10351 PR rtl-optimization/25799
10352 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10353 Corrected confluence operator to remove bits from op2 before oring
10354 with op1 rather than removing bits from op1.
10355 (df_ru_transfer_function): Corrected test on wrong bitmap which
10356 caused infinite loop. Both of these problems were introduced in
10357 the dataflow rewrite.
10359 2006-01-19 DJ Delorie <dj@redhat.com>
10361 * reload1.c (find_reload_regs): Note the details of reload
10362 failures in the dump file.
10363 (spill_failure): Likewise.
10365 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10367 * loop-iv.c: Include df.h and hashtab.h.
10368 (enum iv_grd_result): New enum.
10369 (DF_REF_IV, DF_REF_IV_SET): New macros.
10370 (struct biv_entry): New.
10371 (df, bivs): New global variables.
10372 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10373 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10375 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10376 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10377 analyzed_for_bivness_p, record_biv): New functions.
10378 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10379 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10380 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10382 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10384 (iv_number_of_iterations): Use new interface to iv analysis.
10385 * loop-unroll.c: Do not include varray.h.
10386 (analyze_iv_to_split_insn): Use new interface to iv
10388 * loop-unswitch.c (may_unswitch_on): Ditto.
10389 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10391 (df_bb_modify): Realloc tables to the new index.
10392 (df_find_use): New function.
10393 * df.h (df_find_use): Declare.
10394 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10396 * cfgloop.h (struct rtx_iv): Remove analysed field.
10397 (iv_get_reaching_def): Removed.
10398 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10399 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10400 (loop-iv.o): Add df.h and hashtab.h dependency.
10401 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10403 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10406 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10408 (__floatundisf, __floatundidf): Likewise.
10409 * libgcc2.h (IS_IBM_EXTENDED): Define.
10411 2006-01-19 DJ Delorie <dj@redhat.com>
10413 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10415 2006-01-19 Paul Brook <paul@codesourcery.com>
10417 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10418 as nothrow when unwinding tables are disabled.
10420 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10423 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10424 of bit-field" when in system header.
10426 2006-01-19 DJ Delorie <dj@redhat.com>
10428 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10429 the 16 bit shift limit of the m16c.
10431 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10434 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10435 * config/i386/i386.c (output_set_got): Output the label if we have one
10436 for the TARGET_DEEP_BRANCH_PREDICTION case.
10438 2006-01-19 Jan Hubicka <jh@suse.cz>
10439 H.J. Lu <hongjiu.lu@intel.com>
10440 Evandro Menezes <evandro.menezes@amd.com>
10442 * invoke.texi (generic): Document
10444 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10445 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10446 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10447 (x86_use_incdec, x86_pad_returns): New variables
10448 (TARGET_CPU_DEFAULT_generic): New constant
10449 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10450 (enum processor_type): Add generic32 and generic64.
10451 * i386.md (cpu attribute): Add generic32/generic64
10452 (movhi splitter): Behave sanely when both partial_reg_dependency and
10453 partial_reg_stall are set.
10454 (K8 splitters): Enable for generic as well.
10455 * predicates.md (incdec_operand): Use TARGET_INCDEC
10456 (aligned_operand): Avoid memory mismatch stalls.
10457 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10458 * ppro.md: Enable for generic32
10459 * i386.c (generic64_cost, generic32_cost): New.
10460 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10461 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10462 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10463 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10464 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10465 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10466 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10467 x86_accumulate_outgoing_args, x86_prologue_using_move,
10468 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10469 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10470 Enable for generic.
10471 (x86_use_incdec, x86_pad_returns): New.
10472 (override_options): Add generic32 and generic64, translate "generic"
10473 to generic32/generic64 and "i686" to "generic32", refuse
10474 "generic32"/"generic64" as arch target.
10475 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10476 (ix86_reorg): Honor PAD_RETURNS.
10478 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10480 * tree-pretty-print.c (dump_generic_node): Handle
10481 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10482 * cgraph.c (cgraph_expand_queue): Rename from
10483 cgraph_analyze_queue. Update all users.
10484 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10485 cgraph_expand_queue.
10486 (cgraph_expand_all_functions): Likewise.
10487 (cgraph_finalize_pending_functions): Remove. Update callers.
10489 * tree.h (OMP_DIRECTIVE_P): Define.
10490 (OMP_PARALLEL_FN): Define.
10491 (OMP_PARALLEL_DATA_ARG): Define.
10492 (OMP_SECTIONS_SECTIONS): Define.
10493 * tree-pass.h (pass_expand_omp): Declare.
10494 * omp-low.c (struct omp_region): Declare.
10495 (struct omp_context): Remove fields 'parallel_type',
10496 'parallel_start_ix' and 'parallel_start_additional_args'.
10498 (struct omp_for_data): Rename from struct expand_omp_for_data.
10499 (omp_regions): New static variable.
10500 (root_omp_region): New static variable.
10501 (find_omp_clause): Make static.
10502 (is_in_combined_parallel_ctx): Remove.
10503 (is_combined_parallel): New.
10504 (extract_omp_for_data): Move earlier in the file.
10505 (workshare_safe_to_combine_p): New.
10506 (get_ws_args_for): New.
10507 (determine_parallel_type): Move earlier in the file.
10508 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10510 (omp_copy_decl): Likewise.
10511 (create_omp_child_function): Likewise.
10512 (lookup_omp_region): New.
10513 (dump_omp_region): New.
10514 (debug_omp_region): New.
10515 (debug_all_omp_regions): New.
10516 (new_omp_region): New.
10517 (scan_omp_parallel): If parallel_nesting_level > 1, the
10518 directive is nested within another parallel directive.
10519 Set OMP_PARALLEL_FN.
10520 (scan_omp_for): Do not try to handle combined parallel+for
10522 Remove FIXME comment.
10523 (scan_omp_nested): Remove.
10524 (scan_omp_1): Do not call scan_omp_nested when
10525 parallel_nesting_level is > 1.
10526 Do not change the DECL_CONTEXT of local variables found.
10527 (lookup_decl_in_outer_ctx): New.
10528 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10529 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10530 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10531 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10532 If CTX is nested, lookup VAR in the outer context when
10533 building copy assignment.
10534 (lower_send_clauses): Rename from expand_send_clauses.
10535 If CTX is nested, lookup VAR in the outer context when
10536 building copy assignments.
10537 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10538 If CTX is nested, lookup VAR in the outer context when
10539 building copy assignments.
10540 (expand_parallel_call): Rename from build_parallel_call.
10541 Handle combined parallel+workshare cases.
10542 Re-implement to emit code into the CFG.
10544 (expand_omp_parallel): Re-implement to emit code into the CFG.
10545 Call move_sese_region_to_fn to outline the sub-graph
10546 containing the parallel region.
10547 (expand_omp_for_1): Remove.
10548 (expand_omp_for_generic): Re-implement to emit code into the
10550 (expand_omp_for_static_nochunk): Likewise.
10551 (expand_omp_for_static_chunk): Likewise.
10552 (expand_omp_for): Likewise.
10553 (expand_omp_sections): Likewise.
10554 (remove_exit_barriers): New.
10555 (expand_omp_synch): New.
10557 (build_omp_regions_1): New.
10558 (build_omp_regions): New.
10559 (execute_expand_omp): New.
10560 (gate_expand_omp): New.
10561 (pass_expand_omp): Define.
10562 (lower_omp_sections): Rename from expand_omp_sections.
10563 Set OMP_SECTIONS_SECTIONS.
10564 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10565 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10566 (lower_omp_single): Rename from expand_omp_simple.
10567 (lower_omp_master): Rename from expand_omp_master.
10568 (lower_omp_ordered): Rename from expand_omp_ordered.
10569 (lower_omp_critical): Rename from expand_omp_critical.
10570 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10571 (lower_omp_for): Re-implement.
10572 (lower_omp_parallel): Re-implement.
10573 (lower_regimplify): Rename from expand_regimplify.
10574 (lower_omp_1): Rename from expand_omp_1.
10575 If there are syntax errors in the program, replace every
10576 OpenMP directive with NOP.
10577 Call lower_omp_* instead of expand_omp_*.
10578 (lower_omp): Rename from expand_omp.
10580 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10581 * tree-gimple.h (enum omp_parallel_type): Remove.
10582 (gimple_boolify): Declare extern.
10583 (find_omp_clause, determine_parallel_type): Remove.
10585 * gimple-low.c (lower_omp_directive): New.
10586 (lower_stmt): Call it.
10587 (record_vars_into): Move from ...
10588 (record_vars): ... here.
10589 Call record_vars_into with current_function_decl.
10591 * gimplify.c (struct gimplify_ctx): Remove fields
10592 combined_pre_p and combined_ctxp. Update users.
10593 (get_formal_tmp_var): Add documentation.
10594 (gimple_boolify): Make extern.
10595 (gimplify_expr_in_ctx): Remove. Update callers.
10596 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10597 will always be a BIND_EXPR.
10598 (gimplify_expr): Handle OMP_RETURN_EXPR.
10599 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10600 (OMP_PARALLEL): Add 3 operands.
10601 (OMP_SECTIONS): Add 1 operand.
10602 (OMP_RETURN_EXPR): Define.
10604 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10605 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10606 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10607 creating a circular free list.
10608 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10610 * tree-flow.h (move_sese_region_to_fn): Declare.
10611 (record_vars_into): Declare.
10612 * tree-cfg.c (make_omp_sections_edges): New.
10613 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10614 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10615 OMP_SECTIONS and OMP_SECTION.
10616 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10617 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10618 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10619 (gather_blocks_in_sese_region): New.
10620 (struct move_stmt_d): Declare.
10621 (move_stmt_r): New.
10622 (move_block_to_fn): New.
10623 (move_sese_region_to_fn): New.
10625 * passes.c (init_optimization_passes): Schedule
10626 pass_expand_omp after pass_init_datastructures.
10628 * tree-ssa-operands.c (get_expr_operands): Handle
10629 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10630 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10632 2006-01-19 Jeff Law <law@redhat.com>
10634 * tree-vrp.c (extract_range_from_assert): Refine the result range
10635 if the variable referenced by the ASSERT_EXPR has a range and
10636 either the tentative result range or the previous range is a
10639 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10641 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10643 2006-01-19 Jan Hubicka <jh@suse.cz>
10645 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10647 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10649 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10650 (expand_compound_operation, expand_field_assignment): Fail if the
10651 bit lengths of an extract operation are out of range.
10652 (make_extraction): Compute wanted_inner_mode based on the position
10653 and length of the extraction. Make it extraction_mode for non-constant
10654 positions, and do not modify offset in that case. When generating a
10655 new MEM, use a mode that can hold the extraction while keeping correct
10656 alignment. Remove code that supported MEMs wrapped by USEs.
10657 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10659 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10661 * config/s390/s390.md ("Y", "y"): New mode attribute.
10662 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10663 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10664 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10665 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10666 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10667 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10668 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10669 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10670 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10671 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10672 "addsi3", "subsi3"): Insn patterns removed.
10673 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10674 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10675 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10676 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10677 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10678 "*sub<mode>3_cconly2"): New insn patterns.
10679 ("addsi3", "subsi3"): New expanders.
10681 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10683 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10684 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10685 existing STMT_VINFO_VECTYPE if available.
10686 (vect_mark_relevant): Add special handling for stmts that are
10687 marked as STMT_VINFO_IN_PATTERN_P.
10688 (vect_analyze_loop): Call vect_pattern_recog.
10689 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10690 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10692 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10693 (vect_recog_func_ptr): New function-pointer type.
10694 * tree-vect-patterns.c: New file.
10695 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10696 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10697 (vect_pattern_recog_1): New functions.
10698 (vect_pattern_recog_funcs): New array of function pointers.
10700 * tree-vectorizer.h (ternary_op): New enum value.
10701 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10702 declaration. Revised documentation. Removed redundant dump prints.
10703 Removed redundant argument. Added support for reduction patterns.
10704 (vectorizable_reduction): Added support for reduction patterns.
10705 (vect_transform_stmt): Added support for patterns.
10707 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10708 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10709 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10710 (expand_widen_pattern_expr): New function.
10711 (init_optabs): Initialize new optabs udot_prod_optab,
10713 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10714 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10715 (expand_widen_pattern_expr): New function declaration.
10716 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10718 * tree-inline.c (estimate_num_insns_1): Added cases for new
10719 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10720 * tree-pretty-print.c (dump_generic_node): Likewise.
10721 (op_prio): Likewise.
10722 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10723 * tree-ssa-operands.c (get_expr_operands): Added case for
10725 * tree-vect-patterns.c (widened_name_p): New function.
10726 (vect_recog_dot_prod_pattern): Added function implementation.
10727 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10728 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10729 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10730 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10732 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10733 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10734 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10735 (init_optabs): Initialize new optabs widen_ssum_optab,
10737 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10738 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10739 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10740 use instead of type of def.
10741 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10742 function implementation.
10743 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10744 widen_ssumv8hi): New.
10746 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10749 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10752 * c-decl.c (add_flexible_array_elts_to_size): New function.
10753 (finish_decl): Use it.
10755 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10757 * diagnostic.h: Include options.h.
10758 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10759 dependancies for diagnostic.h.
10760 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10762 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10764 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10765 (ssa_ro_call_cache_valid): Ditto.
10766 * tree-ssa-alias.c (sort_tags_by_id): New function.
10767 (init_transitive_clobber_worklist): Ditto.
10768 (add_to_worklist): Ditto.
10769 (mark_aliases_call_clobbered): Ditto.
10770 (compute_tag_properties): Ditto.
10771 (set_initial_properties): Ditto.
10772 (compute_call_clobbered): Ditto.
10773 (compute_may_aliases): Call compute_call_clobbered and grouping.
10774 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10775 (compute_flow_insensitive_aliasing): Grouping now happens in our
10777 (setup_pointers_and_addressables): Remove clobbering related code.
10778 (add_may_alias): Ditto.
10779 (replace_may_alias): Ditto.
10780 (get_nmt_for): Ditto.
10781 (create_global_var):
10782 (is_escape_site): Return an escape_type enumeration.
10783 * tree-flow-inline.h (is_call_clobbered): Global var does not
10784 imply call clobbered.
10785 (mark_call_clobbered): Take a reason for marking this. Remove
10786 marking of globalness, and cache invalidation.
10787 (clear_call_clobbered): Remove cache invalidation code.
10788 * tree-dfa.c (dump_variable): If details is on, dump the reason
10790 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10792 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10793 (struct var_ann_d): Ditto.
10794 (enum escape_type): New.
10795 (mark_call_clobbered): Adjust prototype.
10796 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10797 are never call clobbered.
10798 Record reasons for escaping.
10799 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10800 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10801 (ssa_ro_call_cache_valid): Ditto.
10802 (clobbered_v_may_defs): Ditto.
10803 (clobbered_vuses): Ditto.
10804 (ro_call_vuses): Ditto.
10805 (clobber_stats): New.
10806 (init_ssa_operands): Zero out clobber stats.
10807 (fini_ssa_operands): Print out clobber stats.
10808 (get_call_expr_operands): Pass callee fndecl to
10809 add_call_read_ops).
10810 (add_call_clobber_ops): Remove use of cache.
10811 Add use of PURE_CONST information.
10812 (add_call_read_ops): Remove use of cache.
10813 Add use of static not_read information.
10815 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10817 Introduce TLS descriptors for i386 and x86_64.
10818 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10819 (TARGET_ANY_GNU_TLS): New macro.
10820 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10821 (struct machine_function): Add tls_descriptor_call_expanded_p.
10822 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10823 (ix86_current_function_calls_tls_descriptor): Likewise.
10824 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10825 (override_options): Introduce gnu2 tls dialect.
10826 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10828 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10830 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10831 (ix86_init_machine_status): Initialize new field.
10832 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10833 (ix86_tls_module_base): New.
10834 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10835 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10836 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10837 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10838 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10839 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10840 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10841 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10842 * config/i386/predicates.md (tls_modbase_operand): New.
10843 (tp_or_register_operand): New.
10845 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10847 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10848 (look_for_address_of): Ditto.
10849 (ipa_init): Walk the function decls.
10850 (static_execute): Don't set readonly on FUNCTION_DECL's.
10852 2006-01-18 Roger Sayle <roger@eyesopen.com>
10854 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10855 for shifts where the source and destination registers are different.
10857 2006-01-18 Paul Brook <paul@codesourcery.com>
10859 Merge from csl-arm-branch.
10860 2005-03-14 Julian Brown <julian@codesourcery.com>
10861 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10862 (aeabi_llsl): Likewise.
10863 (ashrdi3): Likewise.
10864 (aeabi_lasr): Likewise.
10865 (lshrdi3): Likewise.
10866 (aeabi_llsr): Likewise.
10867 2005-03-10 Julian Brown <julian@codesourcery.com>
10868 * config.gcc: Disable shared libgcc for SymbianOS.
10869 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10871 2006-01-18 DJ Delorie <dj@redhat.com>
10873 * c-pragma.c (handle_pragma_diagnostic): New.
10874 (init_pragma): Register it.
10875 * doc/extend.texi: Document it.
10877 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10878 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10879 (diagnostic_context): Add classify_diagnostic[].
10880 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10881 as errors if they're overridden to DK_WARNING.
10882 (diagnostic_initialize): Initialize classify_diagnostic[].
10883 (diagnostic_set_kind_override): New.
10884 (diagnostic_report_diagnostic): Check for kind changes.
10885 * opts.c (common_handle_option): Take lang_mask. Update callers.
10886 Handle OPT_Werror_.
10887 * common.opt (Werror=): New.
10888 * doc/invoke.texi: Document -Werror=*
10890 2006-01-18 Jeff Law <law@redhat.com>
10892 * tree-vrp.c (test_for_singularity): Correct test for new
10893 min limit. Use operand_equal_p rather than pointer equality
10894 for testing if new min/max values are equal.
10896 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10897 using range information until after propagation and folding.
10899 2006-01-18 Richard Henderson <rth@redhat.com>
10900 Aldy Hernandez <aldyh@redhat.com>
10901 Jakub Jelinek <jakub@redhat.com>
10902 Diego Novillo <dnovillo@redhat.com>
10904 * omp-low.c: New file.
10905 * c-omp.c: New file.
10907 2006-01-18 Richard Henderson <rth@redhat.com>
10908 Jakub Jelinek <jakub@redhat.com>
10909 Diego Novillo <dnovillo@redhat.com>
10911 * doc/invoke.texi: Document -fopenmp.
10912 * tree-dump.h (debug_function): Declare.
10913 * hooks.c (hook_bool_tree_bool_false): New function.
10914 (hook_tree_tree_null): Remove.
10915 (hook_tree_tree_tree_null): New.
10916 * hooks.h: Update to match.
10917 * tree-pretty-print.c (debug_tree_chain): New.
10918 (print_generic_expr): Handle TDF_CHAIN.
10919 (dump_generic_node): Handle BLOCK.
10920 Do not abort with incomplete SWITCH_EXPRs.
10921 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10922 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10923 print space after directive name.
10924 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10925 Handle OMP_MASTER and OMP_ORDERED.
10926 Handle printing of OMP_BODY just in one place, goto
10927 dump_omp_body in the rest of OMP_* nodes that have
10929 Don't handle clause nodes here. Update omp statements to
10930 use dump_omp_clauses.
10931 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10932 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10933 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10934 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10935 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10936 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10937 Adjust output for GOMP_PARALLEL.
10938 (dump_omp_clauses): New.
10939 (print_declaration): Dump DECL_VALUE_EXPR.
10940 (op_symbol_1): Split out of op_symbol.
10941 (dumping_stmts): Remove. Update all users.
10942 * cgraph.c (cgraph_analyze_queue): New.
10943 (cgraph_add_new_function): New.
10944 * cgraph.h (cgraph_analyze_queue): Declare.
10945 (cgraph_add_new_function): Declare.
10946 (cgraph_lower_function): Remove.
10947 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10948 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10949 and TYPE_P nodes in its default clause.
10950 (empty_body_p): New.
10951 (tree_range_check_failed): New.
10952 (build5_stat): New.
10953 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10954 OMP_CLAUSE_REDUCTION_MERGE,
10955 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10956 OMP_CLAUSE_PRIVATE_DEBUG,
10957 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10958 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10959 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10960 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10961 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10962 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10963 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10964 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10965 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10966 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10967 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10968 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10969 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10970 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10971 (TREE_RANGE_CHECK): New.
10972 (empty_body_p): Declare.
10973 (enum omp_clause_default_kind): New.
10974 (build_string_literal): Declare.
10975 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10976 (build5_stat, build5): Declare.
10977 * tree-pass.h (TDF_CHAIN): Define.
10978 * tree-pass.h (PROP_gimple_lomp): Define.
10979 (pass_lower_omp): Declare.
10980 * diagnostic.h (debug_tree_chain): Declare.
10981 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10983 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10984 * builtins.c (build_string_literal): Make extern.
10985 * gcc.c (include_spec_function): New.
10986 (static_spec_functions): Add it.
10987 (main): Move load of libgomp.spec ...
10988 (LINK_COMMAND_SPEC): ... here.
10989 (link_gomp_spec): New.
10990 (static_specs): Include it.
10991 (LINK_COMMAND_SPEC): Add link_gomp.
10992 (GOMP_SELF_SPECS): New.
10993 (driver_self_specs): Include it.
10994 (switch_matches): Don't mark inline.
10995 (main): Load libgomp.spec.
10996 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10997 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10998 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10999 * tree-gimple.h (enum omp_parallel): Declare.
11000 (determine_parallel_type): Declare.
11001 (omp_firstprivatize_variable): Declare.
11002 (omp_reduction_init): Declare.
11003 (diagnose_omp_structured_block_errors): Declare.
11004 (struct walk_stmt_info): Add want_return_expr.
11005 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11006 (find_omp_clause): Declare.
11007 (insert_field_into_struct): Declare.
11008 (struct walk_stmt_info): Move from tree-nested.c
11009 (walk_stmts): Declare.
11010 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11012 * cgraphunit.c (cgraph_lower_function): Make static.
11013 (cgraph_finalize_pending_functions): New.
11014 (cgraph_finalize_function): Call it.
11015 (cgraph_finalize_compilation_unit): Likewise.
11016 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11017 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11018 (BT_FN_UINT_UINT): New.
11019 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11020 DEF_FUNCTION_TYPE_VAR_4): Document.
11021 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11022 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11023 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11024 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11025 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11026 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11027 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11028 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11029 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11030 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11031 into separate files.
11032 (DEF_GOMP_BUILTIN): New.
11033 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11034 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11035 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11036 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11037 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11038 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11039 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11040 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11041 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11042 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11043 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11044 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11045 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11046 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11047 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11048 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11049 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11050 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11051 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11052 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11053 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11054 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11055 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11056 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11057 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11058 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11059 * sync-builtins.def: New file, moved from builtins.def.
11060 * omp-builtins.def: New file, moved from builtins.def.
11061 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11062 * gimple-low.c (lower_function_body): Clear data.
11063 (lower_stmt): Do not handle COMPOUND_EXPR.
11064 Remove call to print_node_brief.
11065 * c-tree.h (c_finish_omp_clauses): New prototype.
11066 (C_DECL_THREADPRIVATE_P): Define.
11067 (lookup_name_no_remap, c_omp_remap_private): Remove
11068 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11069 (check_for_loop_decls): Update decl.
11070 (lookup_name_no_remap, c_omp_remap_private): Declare.
11071 (build_indirect_ref, build_modify_expr, pushdecl,
11072 pushdecl_top_level): Move to c-common.h.
11073 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11074 before the switch, but just in the 2 places that need it.
11075 * c-decl.c (diagnose_mismatched_decls): Do not check for
11076 mismatched thread-local attributes when OLDDECL is marked
11077 threadprivate and NEWDECL has no thread-local attributes.
11078 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11079 (c_gimple_diagnostics_recursively): Rename from
11080 c_warn_unused_result_recursively. Invoke
11081 diagnose_omp_structured_block_errors.
11082 (check_for_loop_decls): Return a singular decl found.
11083 * langhooks.c (lhd_omp_predetermined_sharing): Return
11084 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11085 (lhd_omp_firstprivatize_type_sizes): New.
11086 (lhd_omp_assignment): New.
11087 (lhd_omp_predetermined_sharing): New.
11088 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11089 (struct lang_hooks_for_types): Add
11090 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11091 omp_predetermined_sharing, omp_disregard_value_expr,
11092 omp_private_debug_clause, omp_clause_default_ctor,
11093 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11094 (c_finish_omp_clauses): New.
11095 (c_finish_bc_stmt): Diagnose break within omp for.
11096 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11097 (build_unary_op): Return error_mark after reporting
11099 (build_modify_expr): Likewise.
11100 * gimplify.c: Include optabs.h and pointer-set.h.
11101 (enum gimplify_omp_var_data): Declare.
11102 (struct gimplify_omp_ctx): Declare.
11103 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11105 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11106 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11107 (splay_tree_compare_decl_uid): New.
11108 (new_omp_context): New.
11109 (delete_omp_context): New.
11110 (gimple_add_tmp_var): Call omp_add_variable.
11111 (gimplify_bind_expr): Likewise.
11112 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11113 true, disregard DECL_VALUE_EXPR on the decl if any.
11114 (gimplify_expr_in_ctx): New.
11115 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11116 omp_add_variable, omp_notice_variable, omp_is_private
11117 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11118 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11119 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11120 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11121 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11122 gimplify_omp_atomic): New.
11123 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11124 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11125 OMP_CRITICAL and OMP_ATOMIC.
11126 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11127 * c-pragma.h (enum pragma_kind): Add
11128 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11129 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11130 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11131 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11132 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11133 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11134 PRAGMA_OMP_THREADPRIVATE.
11135 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11136 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11137 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11138 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11139 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11140 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11141 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11142 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11143 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11144 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11145 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11146 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11147 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11149 (struct nesting_info): Add field_map,
11150 suppress_expansion, debug_var_chain.
11151 (create_nesting_tree): Initialize them.
11152 (lookup_field_for_decl): Use field_map.
11153 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11154 (convert_local_omp_clauses): New.
11155 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11156 (walk_body): Split out of walk_function.
11157 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11158 (convert_nonlocal_reference): Handle omp statements.
11159 (convert_local_reference): Likewise.
11160 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11161 (unnest_nesting_tree): New.
11162 (lower_nested_functions): Call it.
11163 (insert_field_into_struct): Make extern.
11164 (struct walk_stmt_info): Move to tree-gimple.h.
11165 (walk_stmts): Make extern.
11166 * omp-builtins.def: New file.
11167 * tree-iterator.c (expr_only): Clarify comment.
11168 * c-common.h (pushdecl_top_level, pushdecl,
11169 build_modify_expr, build_indirect_ref,
11170 c_finish_omp_master, c_finish_omp_critical,
11171 c_finish_omp_ordered, c_finish_omp_barrier,
11172 c_finish_omp_atomic, c_finish_omp_flush,
11173 c_finish_omp_for, c_split_parallel_clauses,
11174 omp_clause_default_kind, c_omp_sharing_predetermined,
11175 c_omp_remap_decl): Declare.
11176 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11177 (OBJS-common): Add omp-low.o.
11178 (c-omp.o, omp-low.o): Add.
11179 (gimplify.o): Add dependency on $(OPTABS_H).
11180 (GTFILES): Add omp-low.c.
11181 (gt-stringpool.h): Add.
11182 * tree-cfg.c (set_bb_for_stmt): Do not update the
11183 block-to-labels map if we are currently expanding to RTL.
11184 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11186 Handle IDENTIFIER_NODE.
11187 (tree_verify_flow_info): Do not ICE when emitting error
11188 messages about invalid labels.
11189 (dump_function_to_file): Reset CFUN before emitting the body
11191 (debug_function): New.
11192 * passes.c (init_optimization_passes): Schedule
11194 * langhooks-def.h (lhd_omp_predetermined_sharing,
11195 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11197 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11198 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11199 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11200 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11201 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11202 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11203 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11204 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11205 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11206 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11207 (LANG_HOOK_DECLS): Use them.
11209 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11210 Richard Henderson <rth@redhat.com>
11211 Jakub Jelinek <jakub@redhat.com>
11212 Diego Novillo <dnovillo@redhat.com>
11214 * c-parser.c (pragma_omp_clause): Define.
11215 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11216 (c_parser_compound_statement): Likewise.
11217 (c_parser_statement): Likewise.
11218 (c_parser_pragma): Handle omp pragmas.
11219 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11220 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11221 (c_parser_omp_clause_name, check_no_duplicate_clause,
11222 c_parser_omp_variable_list,
11223 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11224 c_parser_omp_clause_copyprivate,
11225 c_parser_omp_clause_default,
11226 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11227 c_parser_omp_clause_lastprivate,
11228 c_parser_omp_clause_nowait,
11229 c_parser_omp_clause_num_threads,
11230 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11231 c_parser_omp_clause_reduction,
11232 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11233 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11234 c_parser_omp_atomic, c_parser_omp_barrier,
11235 c_parser_omp_critical, c_parser_omp_flush,
11236 c_parser_omp_for_loop, c_parser_omp_for,
11237 c_parser_omp_master, c_parser_omp_ordered,
11238 c_parser_omp_sections_scope, c_parser_omp_sections,
11239 c_parser_omp_parallel, c_parser_omp_single,
11240 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11241 * c-pragma.c (init_pragma): Do omp pragma registration here.
11242 * c.opt (fopenmp): New flag.
11244 2006-01-18 Eric Christopher <echristo@apple.com>
11246 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11247 * config/darwin.h (GOMP_SELF_SPECS): Define.
11249 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11251 * rtl.h: Remove the prototype for reg_alloc.
11253 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11256 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11257 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11258 sjlj and dwarf2 exception handling.
11259 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11260 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11261 * pa/pa.c (function_value): Treat complex and vector types as
11263 (function_arg): Likewise. Only pass scalar floats in the floating
11264 point argument registers.
11265 * pa/t-slibgcc-dwarf-ver: New file.
11266 * pa/t-slibgcc-sjlj-ver: New file.
11267 * pa/t-slibgcc-elf-ver: Delete file.
11269 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11271 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11272 unlikely_test_section_p test.
11274 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11276 * mode-switching.c (optimize_mode_switching): Make it static.
11277 * basic-block.h: Remove the prototype for
11278 optimize_mode_switching.
11280 * modulo-sched.c (sms_schedule): Make it static.
11281 * rtl.h: Remove the prototype for sms_schedule.
11283 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11284 * rtl.h: Remove the prototype for gcse_after_reload_main.
11286 * reg-stack.c (reg_to_stack): Make it static.
11287 * rtl.h: Remove the prototype for reg_to_stack.
11289 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11291 * rtl.h: Remove the prototypes for regrename_optimize and
11292 copyprop_hardreg_forward.
11294 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11296 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11297 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11298 Test against the appropriate null constant for the mode.
11299 If 'fixup_overlap' is true, swap the operands if they overlap.
11300 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11301 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11302 alpha_split_tmode_pair and adjust for above change.
11303 * config/alpha/alpha.md (movtf_internal): Adjust call to
11304 alpha_split_tfmode_pair and rely on it to swap the operands.
11305 (movti_internal): New insn and post-reload splitter.
11306 (movti): New expander.
11308 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11310 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11313 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11315 * rtlanal.c (global_reg_mentioned_p_1,
11316 global_reg_mentioned_p): Remove.
11317 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11319 * flow.c (initialize_uninitialized_subregs): Make it static.
11320 * rtl.h: Remove the prototype for
11321 initialize_uninitialized_subregs.
11323 * function.c (instantiate_virtual_regs): Make it static.
11324 * function.h: Remove the prototype for
11325 instantiate_virtual_regs.
11327 * regmove.c (regmove_optimize, combine_stack_adjustments):
11329 * rtl.h: Remove the prototypes for regmove_optimize and
11330 combine_stack_adjustments.
11332 2006-01-17 Roger Sayle <roger@eyesopen.com>
11334 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11335 (size_cost): Encode costs in bytes so that a reg-reg addition is
11336 equivalent to COSTS_N_INSNS(1).
11337 (override_options): Use the size_cost.branch_cost as the default
11338 ix86_branch_cost when optimizing for size.
11340 2006-01-18 Ben Elliston <bje@au.ibm.com>
11342 * Makefile.in (D32PBIT_FUNCS): New.
11343 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11344 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11345 D64PBIT_FUNCS and D128PBIT_FUNCS.
11346 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11347 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11349 (decnumber_dep): Define.
11350 * doc/libgcc.texi (Decimal float library routines): New node.
11351 * config/dfp-bit.h, config/dfp-bit.c: New files.
11353 2006-01-18 Ben Elliston <bje@au.ibm.com>
11355 * expr.c (emit_move_change_mode): Always adjust addresses, not
11356 just during reload. Copy replacements only during reload.
11357 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11358 emit_move_via_integer.
11360 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11362 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11363 instead of $(srcdir) and ${srcdir}.
11365 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11368 PR middle-end/11135
11369 * arm.h (struct machine_function): Add pic_reg.
11370 * arm.c (arm_pic_register): Make unsigned.
11371 (arm_override_options): Only set arm_pic_register if
11372 TARGET_SINGLE_PIC_BASE.
11373 (use_return_insn): Only test for a pic register if it is fixed.
11374 (arm_compute_save_reg0_reg12_mask): Likewise.
11375 (thumb_compute_save_reg_mask): Likewise.
11376 (legitimate_pic_operand): Factor out some known invariants.
11377 (legitimize_pic_address): If we don't have a fixed pic register,
11378 then set up a pseudo in the function entry sequence. Handle the
11379 pic base being in a pseudo.
11380 (arm_load_pic_register): Handle the pic register being in a pseudo.
11381 (arm_expand_prologue): Only set up the pic register if it is fixed.
11382 (thumb_expand_prologue): Likewise.
11383 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11384 (pic_load_addr_based_insn): Likewise.
11385 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11388 2006-01-18 Ben Elliston <bje@au.ibm.com>
11390 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11391 decimal float modes for all floating point registers.
11393 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11394 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11396 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11399 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11400 even when the pointer is not NULL.
11402 2006-01-16 Ian Lance Taylor <ian@airs.com>
11404 * common.opt (ftoplevel-reorder): New option.
11405 * cgraph.c (cgraph_asm_nodes): New global variable.
11406 (cgraph_asm_last_node): New static variable.
11407 (cgraph_order): New global variable.
11408 (cgraph_create_node): Set new order field.
11409 (cgraph_varpool_node): Likewise.
11410 (decide_is_variable_needed): Return true if not
11411 flag_toplevel_reorder.
11412 (cgraph_add_asm_node): New function.
11413 * cgraph.h (struct cgraph_node): Add order field.
11414 (struct cgraph_varpool_node): Add order field.
11415 (struct cgraph_asm_node): Define.
11416 (cgraph_asm_nodes, cgraph_order): Declare.
11417 (cgraph_add_asm_node): Declare.
11418 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11420 (cgraph_varpool_assemble_pending_decls): Call it.
11421 (cgraph_output_pending_asms): New static function.
11422 (cgraph_finalize_compilation_unit): Call it.
11423 (struct cgraph_order_sort): Define.
11424 (cgraph_output_in_order): New static function.
11425 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11426 !flag_toplevel_reorder case.
11427 * c-parser.c: Include "cgraph.h".
11428 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11430 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11431 than -fno-unit-at-a-time.
11432 * doc/invoke.texi (Option Summary): Mention
11433 -fno-toplevel-reorder.
11434 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11435 -funit-at-a-time documentation.
11437 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11438 Kazu Hirata <kazu@codesourcery.com>
11440 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11442 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11444 * Makefile.in (FUNCTION_H): New. Use it instead of
11445 function.h throughout the file.
11446 * function.h: Include tree.h.
11448 2006-01-17 Ben Elliston <bje@au.ibm.com>
11450 * recog.c: Separate some functions with whitespace.
11452 2006-01-16 Richard Henderson <rth@redhat.com>
11454 Merge from gomp branch:
11455 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11456 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11457 and rename from struct inline_data. Rename callee* to dst*;
11458 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11459 transform_new_cfg, transform_return_to_modify, and
11460 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11462 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11463 (copy_decl_for_dup): Remove.
11464 * tree-inline.c (struct inline_data): Move to header.
11465 (insert_decl_map): Export.
11466 (remap_decl): Update for member name changes. Use copy_decl hook.
11467 Allow for replacement to be a non-decl. Remove dead code.
11468 (remap_type_1): Check for existing mapping.
11469 (remap_type): Export.
11470 (remap_decls): Update for member name changes.
11471 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11472 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11473 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11474 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11475 (tree_function_versioning, build_duplicate_type): Likewise.
11476 (copy_body_r): Likewise. Export.
11477 (copy_decl_for_dup): Split into ...
11478 (copy_decl_for_dup_finish, copy_decl_to_var,
11479 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11480 (replace_ref_tree, inlining_p): Remove.
11482 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11484 * ifcvt.c (if_convert): Make it static.
11485 * rtl.h: Remove the prototype for if_convert.
11487 * local-alloc.c (local_alloc): Make it static.
11488 * rtl.h: Remove the prototype for local_alloc.
11490 * loop.c (loop_optimize): Make it static.
11491 * cfgloop.h: Remove the prototype for loop_optimize.
11494 2006-01-16 DJ Delorie <dj@redhat.com>
11496 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11499 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11501 * pa.md: Disparage copies between general and floating-point registers
11502 in 32-bit move patterns.
11504 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11507 * Makefile.in (check-%): Depend on site.exp instead of
11508 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11511 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11513 * global.c (global_alloc): Make it static.
11514 * rtl.h: Remove the prototype for global_alloc.
11516 2006-01-16 Richard Guenther <rguenther@suse.de>
11518 * tree-ssa-alias.c (struct used_part): Add write_only field.
11519 (get_or_create_used_part_for): Initialize it to true.
11520 (create_overlap_variables_for): Don't create structure variables
11521 for structures that only are written to.
11522 (find_used_portions): Handle MODIFY_EXPR to track whether a
11523 structure is only written to.
11525 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11527 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11529 * basic-block.h: Remove the prototype for
11530 partition_hot_cold_basic_blocks.
11532 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11534 * cppspec.c (lang_specific_spec_functions): Remove.
11535 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11536 * gcc.h (lang_specific_spec_functions): Remove.
11537 * gccspec.c (lang_specific_spec_functions): Remove.
11539 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11541 * combine.c (record_value_for_reg): Invalidate registers
11543 (record_dead_and_set_regs_1): Likewise, by passing them to
11544 record_value_for_reg.
11545 (record_dead_and_set_regs): Invalidate stores made by a
11546 call. We do not combine across a call, but we still
11547 relied on equivalences.
11549 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11551 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11552 vrp_int_const_binop returning non-constant nodes.
11554 2006-01-16 Paul Brook <paul@codesourcery.com>
11556 * config/m68k/m68k.c (output_move_const_into_data_reg):
11557 Output correct mnemonic for mvz and mvs.
11559 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11561 * rtl-factoring.c: Add sequence abstraction algorithm.
11562 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11563 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11565 (block_has_preserve_label): New function.
11566 * common.opt: Register new pass.
11567 * Makefile.in: Ditto.
11569 * timevar.def: Ditto.
11570 * tree-pass.h: Ditto.
11571 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11572 * rtl.h (make_jump_insn_raw): Add forward decl.
11573 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11575 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11576 Roger Sayle <roger@eyesopen.com>
11578 * fold-const.c (fold_minmax): New static function.
11579 (fold_binary) <MIN_EXPR>: Call it.
11580 <MAX_EXPR>: Likewise.
11581 * stor-layout.c (place_field): Use DECL_SIZE consistently
11582 in the computation of the new record size.
11584 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11586 * cse.c (cse_condition_code_reg): Make it static.
11587 * rtl.h: Remove the prototype for cse_condition_code_reg.
11589 * combine.c (combine_instructions): Make it static.
11590 * rtl.h: Remove the prototype for combine_instructions.
11592 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11595 * tree.c (get_file_function_name_long): Concatenate the first global
11596 object name with a string derived from the input filename of the object
11599 2006-01-16 Ben Elliston <bje@au.ibm.com>
11601 * config/i386/winnt-stubs.c: Update FSF address.
11602 * config/xtensa/ieee754-df.S: Ditto.
11603 * config/xtensa/ieee754-sf.S: Ditto.
11605 2006-01-14 Ian Lance Taylor <ian@airs.com>
11607 * ifcvt.c (noce_init_if_info): New static function, broken out of
11608 noce_process_if_block.
11609 (noce_process_if_block): Call noce_init_if_info.
11610 (check_cond_move_block): New static function.
11611 (cond_move_process_if_block): New static function.
11612 (process_if_block): Call cond_move_process_if_block.
11614 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11616 * cselib.c (hash_table): Rename to cselib_hash_table.
11617 (cselib_clear_table, discard_useless_values,
11618 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11619 cselib_init, cselib_finish): Adjust uses of hash_table.
11621 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11623 PR tree-optimization/25485
11624 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11625 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11626 is known to be false and true, respectively.
11628 2006-01-14 Richard Guenther <rguenther@suse.de>
11630 PR tree-optimization/22548
11631 PR tree-optimization/22555
11632 PR tree-optimization/22501
11633 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11634 * params.def (salias-max-array-elements): New parameter.
11635 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11636 * doc/invoke.texi (salias-max-array-elements): Document.
11637 * tree-flow-inline.h (var_can_have_subvars): We also handle
11639 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11641 * tree-ssa-structalias.c (params.h): Include.
11642 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11643 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11644 (get_constraint_for): For ADDR_EXPR operating on something
11645 containing an ARRAY_REF, add all subvars to the solution.
11646 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11647 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11648 for creating MUST_DEFs.
11649 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11651 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11653 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11655 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11656 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11657 number_of_iterations_le): New functions.
11658 (number_of_iterations_special): Removed.
11659 (number_of_iterations_exit): Do not use number_of_iterations_special.
11660 * tree.c (unsigned_type_for): Always return integer type.
11662 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11663 Richard Guenther <rguenther@suse.de>
11665 PR rtl-optimization/24257
11666 * gcse.c (find_moveable_store): Only consider a store movable
11667 when the SET_SRC of the insn can be assigned to a register.
11669 2006-01-14 Ian Lance Taylor <ian@airs.com>
11671 * tree.c (tree_not_class_check_failed): New function.
11672 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11673 (tree_not_class_check_failed): Declare.
11675 2006-01-13 Ian Lance Taylor <ian@airs.com>
11677 * reload1.c (do_output_reload): Add assertion rejecting a
11680 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11682 * combine.c (struct reg_stat): Add new fields truncation_label and
11684 (record_value_for_reg): Reset truncated_to_mode.
11685 (record_truncated_value): New function.
11686 (check_promoted_subreg): Call it. Rename to check_conversions.
11687 (combine_instructions): Rename check_promoted_subreg to
11689 (reg_truncated_to_mode): New function.
11690 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11691 (gen_lowpart_or_truncate): New function.
11692 (force_to_mode): Use it instead of gen_lowpart.
11694 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11696 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11697 VAR is a tag, not its type tag.
11699 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11701 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11702 alternatives to match style of other entries.
11703 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11705 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11707 PR tree-optimization/25771
11708 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11711 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11714 * tree-inline.c (declare_return_variable): If the return variable
11715 was marked as a non gimple complex, set the return slot variable
11716 to be a non gimple comple variable.
11718 2006-01-13 Richard Guenther <rguenther@suse.de>
11720 * builtins.c (expand_builtin_sincos): New function.
11721 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11723 (expand_builtin): Expand sincos using expand_builtin_sincos.
11725 2006-01-12 DJ Delorie <dj@redhat.com>
11727 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11728 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11729 so that constant shifts can be split.
11730 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11731 (m32c_valid_pointer_mode): Make static.
11732 (shift_gen_func_for): New.
11733 (m32c_prepare_shift): Use it. Split large const shifts into
11735 * config/m32c/predicates.md (shiftcount_operand): Allow more
11737 (longshiftcount_operand): New.
11738 * doc/md.texi (Machine Constraints): Document In6.
11740 2006-01-13 Ben Elliston <bje@au.ibm.com>
11742 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11743 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11746 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11748 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11749 to try to avoid clobbering pieces of structures when we know
11750 something about the whole structure.
11751 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11753 2006-01-13 Ben Elliston <bje@au.ibm.com>
11755 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11756 return in memory, as this is no limitation is no longer present.
11758 2006-01-12 DJ Delorie <dj@redhat.com>
11760 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11761 mova with fb, and for fb+0 -> An.
11763 * config/m32c/mov.md (peephole2): Fix enabling logic.
11765 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11766 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11767 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11768 FINI_ARRAY_SECTION_ASM_OP): Define.
11770 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11772 (m32c_legitimize_reload_address): New logic to reload FB to An.
11773 (m32c_output_reg_push): Add newline.
11774 (m32c_output_reg_pop): Likewise.
11776 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11778 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11780 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11782 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11784 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11786 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11789 2006-01-11 Ben Elliston <bje@au.ibm.com>
11791 * rtlanal.c (find_reg_note): Assert insn is not null.
11793 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11795 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11798 2006-01-11 Jeff Law <law@redhat.com>
11800 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11802 (mark_threaded_blocks, register_jump_thread): New functions.
11803 (thread_through_all_blocks): Remove unwanted argument. No
11804 longer rely on e->aux to communicate thread target info.
11805 Call mark_threaded_blocks. Release the threaded_blocks
11806 bitmap and threaded_edges vector when complete.
11807 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11808 (threaded_blocks): Remove.
11809 (tree_ssa_dominator_optimize): Remove initialization and
11810 finalization of threaded_blocks. Simplify call to
11811 thread_through_all_blocks.
11812 (thread_across_edge): Call register_jump_thread rather than
11813 storing thread information into e->aux.
11814 (free_all_edge_infos): Simplify now that e->aux is no longer
11815 used to communicate with thread_through_all_blocks.
11816 * tree-flow.h (thread_through_all_blocks): Update prototype.
11817 (register_jump_thread): Prototype.
11819 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11821 * df-core.c (df_compact_blocks, df_bb_replace): Use
11822 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11824 2006-01-11 Richard Guenther <rguenther@suse.de>
11826 PR tree-optimization/25734
11827 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11828 stop propagation after successful propagation to the LHS.
11830 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11832 * basic-block.h (control_flow_graph): Change the type of
11833 x_basic_block_info to VEC(basic_block,gc) *.
11834 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11836 (SET_BASIC_BLOCK): New.
11837 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11838 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11839 * cfgbuild.c (find_basic_blocks): Likewise.
11840 * cfglayout.c (fixup_reorder_chain): Likewise.
11841 * cfgrtl.c (create_basic_block_structure,
11842 rtl_create_basic_block): Likewise.
11843 * ifcvt.c (find_if_case_1): Likewise.
11844 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11847 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11849 * Makefile.in: Removed rotted odf.c entry.
11851 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11854 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11855 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11856 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11857 output pattern modifier, not %e.
11858 * config/cris/cris.c (cris_op_str): Update comment about pattern
11860 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11861 before falling through into...
11862 <case 'E'>: Redefined from old 'e' case.
11864 2006-01-11 Jan Hubicka <jh@suse.cz>
11867 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11869 2006-01-11 Jan Hubicka <jh@suse.cz>
11871 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11872 * i386.c (x86_decompose_lea): Kill.
11873 (ix86_rtx_costs): Kill.
11875 2006-01-11 Jan Hubicka <jh@suse.cz>
11877 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11878 * cgraph.h (cgraph_node): Add inline_decl.
11879 (cgraph_insert_node_to_hashtable): Declare.
11880 (save_inline_function_body): Declare.
11881 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11883 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11884 (cgraph_function_versioning): Update call of tree_function_versioning.
11885 (save_inline_function_body): New function.
11886 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11887 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11888 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11889 (cgraph_default_inline_p): Likewise.
11890 (cgraph_decide_inlining_incrementally): Likewise.
11891 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11892 (copy_bb): Kill saving; do updating of clones.
11893 (copy_cfg_body): Kill saving.
11894 (initialize_inlined-parameters): Likewise.
11895 (expand_call_inline): Likewise.
11897 (tree_function_versioning): New parameter "update_clones".
11898 (inlining_p): Kill saving.
11899 * tree-inline.h (tree_function_versioning): Update prototype.
11900 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11903 2006-01-11 Ian Lance Taylor <ian@airs.com>
11905 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11906 Allow undoing set of machine mode.
11907 (do_SUBST): Use enums instead of is_int.
11908 (do_SUBST_MODE): New function.
11909 (SUBST_MODE): New macro.
11910 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11911 reg and trying to replace reg_regno_rtx with a new register.
11912 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11913 (simplify_set): Use SUBST_MODE.
11914 (distribute_notes): Remove code that tried to update reg notes
11915 for regno_reg_rtx changes.
11917 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11919 PR tree-optimization/23109
11920 PR tree-optimization/23948
11921 PR tree-optimization/24123
11923 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11924 * tree-cfg.c (single_noncomplex_succ): New.
11925 * tree-flow.h (single_noncomplex_succ): Declare it.
11926 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11927 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11928 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11929 insert_bb, register_division_in, insert_reciprocals,
11930 replace_reciprocal, free_bb): New.
11931 (execute_cse_reciprocals_1): Rewritten.
11932 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11933 Do not commit any edge insertion. Always compute dominators and
11934 create the allocation pool.
11935 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11936 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11937 * targhooks.c (default_min_divistions_for_recip_mul): New.
11938 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11939 * passes.c (init_optimization_passes): Run recip after tree loop
11941 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11943 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11944 Kenneth Zadeck <zadeck@naturalbridge.com>
11946 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11947 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11948 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11949 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11950 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11951 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11952 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11953 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11954 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11955 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11956 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11957 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11958 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11959 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11960 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11961 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11962 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11963 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11964 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11965 DF_SCAN_POST_ALLOC): New macros.
11966 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11967 df_free_bb_function, df_local_compute_function, df_init_function,
11968 df_dataflow_function, df_confluence_function_0,
11969 df_confluence_function_n, df_transfer_function,
11970 df_finalizer_function, df_free_function, df_dump_problem_function,
11971 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11972 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11973 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11974 df_urec_bb_info, ) New types.
11975 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11977 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11978 df_analyze_simple_change_some_blocks,
11979 df_analyze_simple_change_one_block, df_compact_blocks,
11980 df_bb_replace, df_bb_regno_last_use_find,
11981 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11982 df_insn_regno_def_p, df_find_def, df_find_use,
11983 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11984 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11985 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11986 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11987 debug_df_chain, df_get_dependent_problem, df_chain_create,
11988 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11989 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11990 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11991 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11992 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11993 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11994 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11995 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11996 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11997 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11998 df_reorganize_refs, df_set_state, df_hard_reg_init,
11999 df_read_modify_subreg_p) New public functions.
12000 * df-core.c: The core dataflow solver and glue routines for rtl
12002 (df_init, df_add_problem, df_set_blocks, df_finish,
12003 df_hybrid_search_forward, df_hybrid_search_backward,
12004 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12005 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12006 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12007 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12008 df_reg_defined, df_find_use, df_reg_used, df_dump,
12009 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12010 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12011 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12012 debug_df_useno, reset_df_after_reload): New functions.
12013 * df-scan.c: The scanning fuctions, once in df.c, completely
12014 rewritten so that they now fully model the functionality of
12015 register usage at the backend.
12016 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12017 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12018 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12019 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12020 df_get_artificial_defs, df_get_artificial_uses,
12021 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12022 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12023 df_refs_delete, df_reorganize_refs, df_set_state,
12024 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12025 df_def_record_1, df_defs_record, df_uses_record,
12026 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12027 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12028 df_record_exit_block_uses, df_hard_reg_init): New functions.
12030 * df-problems.c: Seven concrete dataflow problems that use the
12031 scanning in df-scan.c and are solved by the engine in df-core.c.
12032 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12033 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12034 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12035 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12036 df_ru_free_bb_info, df_ru_alloc,
12037 df_ru_bb_local_compute_process_def,
12038 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12039 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12040 df_ru_transfer_function, df_ru_free, df_ru_dump,
12041 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12042 df_rd_free_bb_info, df_rd_alloc,
12043 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12044 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12045 df_rd_transfer_function, df_rd_free, df_rd_dump,
12046 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12047 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12048 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12049 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12050 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12051 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12052 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12053 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12054 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12055 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12056 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12057 df_urec_mark_reg_use_for_earlyclobber,
12058 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12059 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12060 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12061 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12062 df_chain_create_bb_process_use, df_chain_create_bb,
12063 df_chain_finalize, df_chain_free, df_chains_dump,
12064 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12065 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12066 df_reg_lifetime): New functions.
12067 * df.c: Deleted file.
12068 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12069 consistent with new df api.
12070 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12071 rest_of_handle_sms): Ditto.
12072 * web.c (unionfind_union, union_defs, entry_register, web_main):
12074 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12075 invariant_expr_equal_p, find_defs, check_dependencies,
12076 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12077 free_inv_motion_data, move_loop_invariants): Ditto.
12078 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12079 Update dependencies.
12080 (odf.c): Added defective entry that was deleted later in day.
12081 * sched-deps.c (sched_analyze_1): Ditto.
12083 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12085 * tree-ssa-operands.c (get_expr_operands): Record addressable
12086 variables directly. Do not call add_stmt_operands for CONST_DECLs
12088 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12089 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12091 2006-01-11 Ben Elliston <bje@au.ibm.com>
12093 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12094 function returns true in the positive case.
12096 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12099 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12100 for SI, DI, SF and DF modes. Add alternatives to copy between
12101 general and floating point registers to the 32-bit patterns.
12102 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12103 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12104 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12105 generating 64-bit code.
12106 * config/pa/pa.c (output_move_double): Handle copies between general
12107 and floating registers.
12109 2006-01-10 Stuart Hastings <stuart@apple.com>
12111 * config/i386/i386.md (set_got): Update.
12112 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12113 (builtin_setjmp_receiver): Mach-O support.
12114 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12115 (GOT_SYMBOL_NAME): Define.
12116 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12117 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12118 * config/i386/i386.c (override_options): Revise for Darwin.
12119 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12120 support. (darwin_x86_file_end): New. (output_set_got): Add label
12121 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12122 * config/i386/i386-protos.h (output_set_got): Likewise.
12123 * config/darwin.c (machopic_legitimize_pic_address): Update
12126 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12128 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12129 when MODE isn't BLKmode.
12131 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12133 PR rtl-optimization/25367
12134 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12136 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12139 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12140 for a negative bound.
12142 2006-01-10 Richard Guenther <rguenther@suse.de>
12144 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12145 Never override with anything constraint.
12147 2006-01-10 Jan Beulich <jbeulich@novell.com>
12149 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12150 256 bits when optimize_size.
12152 2006-01-10 Jan Beulich <jbeulich@novell.com>
12154 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12156 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12157 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12160 2006-01-10 Ben Elliston <bje@au.ibm.com>
12162 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12164 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12165 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12166 (USE_FP_FOR_ARG): Reject decimal float modes.
12167 (function_arg_advance): Likewise.
12168 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12169 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12170 point types in AltiVec vectors.
12171 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12172 (rs6000_libcall_value): Likewise.
12174 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12176 * config/xtensa/ieee754-df.S: New file.
12177 * config/xtensa/ieee754-sf.S: New file.
12178 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12179 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12180 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12182 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12184 * config/sh/predicates.md (binary_float_operator,
12185 binary_logical_operator, commutative_float_operator,
12186 equality_comparison_operator, greater_comparison_operator,
12187 less_comparison_operator, logical_operator,
12188 noncommutative_float_operator, shift_operator,
12189 symbol_ref_operand, unary_float_operator): Remove redundant
12192 2006-01-09 Jeff Law <law@redhat.com>
12194 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12195 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12196 now unused arguments. Callers updated.
12197 (eliminate_redundant_computations): Remove now unused arguments,
12199 (local_fold): Remove, no longer used.
12200 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12202 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12203 (simplify_cond): New function.
12204 (forward_propagate_into_cond): Call simplify_cond.
12206 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12208 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12209 (*vec_extractv2di_1_sse): New.
12211 2006-01-09 Ben Elliston <bje@au.ibm.com>
12213 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12215 2006-01-08 Richard Guenther <rguenther@suse.de>
12217 * tree-ssa-structalias.c (get_constraint_for): Remove
12218 anyoffset argument.
12219 (get_constraint_for_component_ref): Likewise.
12220 (do_deref): Likewise.
12221 (get_constraint_for): Likewise.
12222 (do_structure_copy): Likewise.
12223 (handle_ptr_arith): Likewise.
12224 (find_func_aliases): Likewise. Remove unused need_anyoffset
12227 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12228 Kaz Kojima <kkojima@gcc.gnu.org>
12230 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12231 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12232 (EXTRA_CONSTRAINT_C16): Remove.
12233 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12234 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12235 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12236 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12237 constants of SHmedia. Handle nested constant expressions of
12239 (andcosts): Fix the costs for SHmedia constants.
12240 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12241 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12242 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12243 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12244 (movv4hi_i, movv2si_i): Likewise.
12245 (movsi_const): Adjust the second operand of ior so to match with
12246 the Csu constraint.
12247 (movdi_const, movdi_const_32bit): Likewise.
12248 (movdi_const_16bit+1): Don't sign-extend LOW.
12249 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12251 (*double_shori): Fix the split condition. Use GEN_INT instead
12252 of get_int_mode calls. Mask lower 16-bit of the argument of
12254 (sym2GOTPLT): Remove.
12255 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12257 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12258 instead of EXTRA_CONSTRAINT_C16.
12260 2006-01-07 Ian Lance Taylor <ian@airs.com>
12261 David Edelsohn <edelsohn@gnu.org>
12263 PR rtl-optimization/25662
12264 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12265 for constant operands instead of simplify_gen_binary.
12266 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12267 after trying simplify_binary_operation
12269 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12271 * tree.c (iterative_hash_expr): Hash decls based on UID.
12273 2006-01-06 Eric Christopher <echristo@apple.com>
12275 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12276 (TARGET_UNWIND_EMIT): Fix spelling.
12277 * target.h (gcc_target): Add except_table_label.
12278 * except.c (output_function_exception_table): Use.
12279 * varasm.c (default_emit_except_table_label): New.
12280 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12282 (asm_out): Add here.
12283 * output.h (default_emit_except_table_label): Prototype.
12284 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12285 * config/darwin.c (darwin_emit_except_table_label): Define.
12286 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12288 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12290 PR tree-optimization/18527
12291 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12292 number_of_iterations_special, number_of_iterations_exit):
12293 Move base and step of an iv to a single structure. Add
12294 no_overflow flag, and use it in # of iterations analysis.
12295 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12296 folded_casts argument.
12297 (simple_iv): Pass base and step in a structure. Set no_overflow
12299 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12300 Evaluate expensiveness of computing # of iterations instead of
12301 the final expression.
12302 * tree-scalar-evolution.h (affine_iv): New structure.
12303 (simple_iv): Declaration changed.
12304 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12305 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12306 find_givs_in_stmt): Changed due to simple_iv change.
12308 2006-01-06 Jeff Law <law@redhat.com>
12311 * tree-cfg.c (bsi_replace): Rename final argument from
12312 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12313 change (stmt -> orig_stmt).
12314 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12315 (bsi_remove): Add new argument. Remove EH information
12317 (verify_eh_throw_table_statements): New function.
12318 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12320 * tree-optimize.c (execute_free_cfg_annotations): Verify
12321 the EH throw statement table after removing annotations.
12322 * except.h (verify_eh_throw_table_statements): Prototype.
12323 * tree-flow.h (bsi_remove): Update prototype.
12324 * tree-vrp.c (remove_range_assertions): Add new argument to
12326 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12327 * tree-complex.c (expand_complex_div_wide): Likewise.
12328 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12329 * tree-tailcall.c (eliminate_tailcall): Likewise.
12330 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12331 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12332 * tree-nrv.c (tree_nrv): Likewise.
12333 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12334 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12335 (combine_blocks): Likewise.
12336 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12337 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12338 (cleanup_control_flow): Likewise.
12339 (remove_forwarder_block): Likewise.
12340 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12341 * tree-sra.c (sra_replace): Likewise.
12342 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12343 (forward_propagate_single_use_vars): Likewise.
12344 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12345 * tree-inline.c (expand_call_inline): Likewise.
12346 * tree-vect-transform.c (vect_transform_loop): Likewise.
12347 * tree-outof-ssa.c (rewrite_trees): Likewise.
12348 * tree-cfg.c (make_goto_expr_edges): Likewise.
12349 (cleanup_dead_labels): Likewise.
12350 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12351 (bsi_move_before, bsi_move_after): Likewise.
12352 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12353 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12355 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12358 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12360 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12361 on non gimple variables. Also add checks at the top for decls and
12363 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12365 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12366 and IMAGPART_EXPR for creating MUST_DEFs.
12367 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12368 and NAME_MEMORY_TAG separately from the DECLs.
12370 2006-01-06 Richard Guenther <rguenther@suse.de>
12372 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12373 annotation, if necessary.
12374 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12375 redundant calls to update_stmt.
12376 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12379 2006-01-05 Richard Henderson <rth@redhat.com>
12381 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12383 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12385 * c-typeck.c: Update copyright date.
12387 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12389 * c-typeck.c (build_c_cast): Always warn when casting
12390 from a pointer to an integer of different size, even if
12391 the node was constant.
12393 2006-01-05 Richard Guenther <rguenther@suse.de>
12395 PR tree-optimization/22555
12396 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12397 if one structure field is an array.
12398 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12399 operands even if we found a subvar, but ignore VOPs in this
12401 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12403 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12405 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12407 PR middle-end/24998
12408 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12410 2006-01-05 Richard Guenther <rguenther@suse.de>
12411 Diego Novillo <dnovillo@redhat.com>
12413 * tree-pass.h (TODO_remove_unused_locals): Define.
12414 * gimple-low.c (expand_var_p, remove_useless_vars,
12415 pass_remove_useless_vars): Remove. Update all users.
12416 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12417 (remove_unused_locals): New function.
12418 * tree-flow.h (remove_unused_locals): Declare.
12419 * passes.c (execute_todo): Call remove_unused_locals if
12420 TODO_remove_unused_locals is set.
12421 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12422 * tree-ssa-dce.c (pass_dce): Likewise.
12423 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12425 2006-01-05 Richard Guenther <rguenther@suse.de>
12427 * tree-flow.h (struct fieldoff): Decompose field to
12428 type, size and decl.
12429 * tree-ssa-alias.c (create_sft): Take type as parameter.
12430 (create_overlap_variables_for): Store type, size and decl
12431 in the fieldoff structure.
12432 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12433 of struct fieldoff.
12434 (push_fields_onto_fieldstack): Likewise.
12435 (create_variable_info_for): Likewise. Use offset for the
12436 SFT name if the decl is not available.
12438 2006-01-04 Paul Brook <paul@codesourcery.com>
12440 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12442 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12444 * lambda-code.c (can_put_in_inner_loop): Relax
12446 (can_put_after_inner_loop): New function.
12447 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12448 (perfect_nestify): Change to make copies and modify uses.
12450 2006-01-04 Richard Henderson <rth@redhat.com>
12452 Merge from gomp branch:
12453 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12454 via integer constant.
12455 (pragma_lex): Remove.
12456 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12457 rather than parsing it.
12458 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12459 handle_pragma_extern_prefix): Add %< %> quotes.
12460 (registered_pragmas): New.
12461 (c_register_pragma_1): New.
12462 (c_register_pragma): Use it.
12463 (c_register_pragma_with_expansion): Likewise.
12464 (c_invoke_pragma_handler): New.
12465 (init_pragma): Use cpp_register_deferred_pragma directly for
12467 * c-pragma.h (enum pragma_kind): New.
12468 (pragma_handler): New.
12469 (c_invoke_pragma_handler): Declare.
12470 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12472 * c-common.h (c_common_pch_pragma): Update decl.
12473 * Makefile.in (c-parser.o): Update dependencies.
12474 (GTFILES): Add c-pragma.h.
12475 * c-parser.c (struct c_token): Add pragma_kind.
12476 (struct c_parser): Add in_pragma.
12477 (c_lex_one_token): Always initialize keyword and pragma_kind.
12478 Extract data for CPP_PRAGMA.
12479 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12480 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12481 Don't allow CPP_PRAGMA_EOL if in_pragma.
12482 (c_parser_consume_pragma): New.
12483 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12484 (c_parser_skip_to_end_of_parameter): Likewise.
12485 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12486 (c_parser_skip_to_pragma_eol): New.
12487 (c_parser_external_declaration): Handle CPP_PRAGMA.
12488 (c_parser_compound_statement_nostart): Likewise.
12489 (c_parser_statement_after_labels): Likewise.
12490 (c_parser_pragma): New.
12491 (pragma_lex): Likewise.
12492 (c_parser_pragma_pch_preprocess): New.
12493 (c_parser_new): Merge into ...
12494 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12496 2006-01-04 Jeff Law <law@redhat.com>
12499 * tree-cfg.c (bsi_replace): Remove the original statement
12500 from the EH throw statement table.
12502 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12504 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12505 make the prototype extern "C" and add throw ().
12508 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12509 and pos non-negative and pos + len <= 32.
12510 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12511 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12512 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12515 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12516 as well as sizes not multiple of component size.
12519 * function.c (instantiate_expr): New function.
12520 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12521 walk its DECL_VALUE_EXPR with instantiate_expr.
12523 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12524 DW_OP_deref{,_size} if address isn't going to be added.
12526 2006-01-04 Ben Elliston <bje@au.ibm.com>
12528 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12529 * config/fp-bit.c: Likewise.
12531 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12533 * dominance.c: Add comment about why we use DFS numbering
12536 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12537 Richard Henderson <rth@redhat.com>
12539 Merge from gomp-branch:
12540 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12541 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12543 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12545 PR rtl-optimization/25578
12546 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12547 pass a parameter to simplify_shift_const if changing ASHIFTRT
12550 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12552 * builtins.c (get_builtin_sync_mem): New function.
12553 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12554 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12555 Call get_builtin_sync_mem to generate mem rtx.
12557 2006-01-03 Richard Guenther <rguenther@suse.de>
12560 * stmt.c (add_case_node): Make sure to clear overflow flags
12563 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12565 Merge from gomp-branch.
12566 * config/sparc/sync.md: New file.
12567 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12568 UNSPECV_LDSTUB): New constants.
12569 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12570 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12571 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12574 2006-01-03 Roger Sayle <roger@eyesopen.com>
12576 * combine.c (reg_subword_p): New predicate to test whether the
12577 destination of a set refers to a subword/piece of a register.
12578 (try_combine): Generalize the code to merge the setting of a
12579 pseudo to a constant followed by a set of a subword of that
12580 register to a constant.
12582 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12584 * basic-block.h (control_flow_graph): Change the type of
12585 x_label_to_block_map to VEC(basic_block,gc) *.
12586 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12587 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12589 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12590 VEC(basic_block,heap) *.
12591 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12592 ssa_prop_fini): Adjust the uses of cfg_blocks.
12594 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12596 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12598 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12599 hashing trees instead of a pointer hash.
12600 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12601 compare for MEM_EXPR.
12603 PR rtl-optimization/25130
12604 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12605 when comparing MEMs for GCSE
12607 2006-01-03 Ben Elliston <bje@au.ibm.com>
12609 * targhooks.h (default_decimal_float_supported_p): Declare.
12610 * targhooks.c (default_decimal_float_supported_p): Define.
12611 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12612 `default_decimal_float_supported_p'.
12613 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12615 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12617 * combine.c (apply_distributive_law <SUBREG>): Check
12618 TRULY_NOOP_TRUNCATION.
12620 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12622 * dwarf2out.c (have_switched_text_section): Delete.
12623 (have_multiple_function_sections): New.
12624 (have_location_lists): Make 'bool'.
12625 (add_AT_loc_list): Use 'true' not '1'.
12626 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12627 (output_loc_list): Use have_multiple_function_sections.
12628 (output_ranges): Likewise.
12629 (dwarf2out_begin_function): Set have_multiple_function_sections if
12631 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12632 Check function_section rather than DECL_SECTION_NAME.
12633 (dwarf2out_finish): Use have_multiple_function_sections.
12634 Don't clear have_location_lists.
12636 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12637 Jan Hubicka <jh@suse.cz>
12639 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12640 case of conditional jump jumping to the next instruction.
12641 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12642 cases of conditional jump jumping to the next instruction.
12644 2006-01-02 Jan Hubicka <jh@suse.cz>
12646 * i386.c (*_cost): Add COSTS_N_INSNS.
12647 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12649 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12652 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12654 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12656 * config/arm/arm.c (all_fpus): Fix comment typo.
12657 * config/darwin.c: Likewise.
12658 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12659 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12660 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12662 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12664 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12665 (rs6000_split_compare_and_swapqhi): New.
12666 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12667 (sync_compare_and_swapqhi_internal): New.
12668 * config/rs6000/rs6000-protos.h: Declare.
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