1 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3 * config/mips/mips.c (function_arg): Where one part of a
4 complex argument is in registers and the other part in the stack,
5 return a REG not a PARALLEL.
7 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10 when cross-compiling. Do not substitute libstdcxx_incdir.
11 * configure: Regenerated.
13 2006-06-21 Jakub Jelinek <jakub@redhat.com>
15 * varasm.c (mergeable_string_section): Check for embedded NULs and
16 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
17 rather than TREE_STRING_LENGTH bytes.
19 2006-06-21 Richard Guenther <rguenther@suse.de>
21 * ggc-page.c (extra_order_size_table): Add var_ann_d,
22 tree_ssa_name, bitmap_element and phi_node with 4 arguments
25 2006-06-21 Richrad Guenther <rguenther@suse.de>
27 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
28 Limit iteration over the dominators.
30 2006-06-20 Roger Sayle <roger@eyesopen.com>
32 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
33 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
35 2006-06-20 Richard Guenther <rguenther@suse.de>
36 Michael Matz <matz@suse.de>
38 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
40 * alloc-pool.c (free_alloc_pool_if_empty): New function.
41 * et-forest.h (et_free_pools): Prototype new function.
42 * et-forest.c (et_free_tree_force): Free parent occurrence.
43 (et_free_pools): New function.
44 * dominance.c (free_dominance_info): Free et-forest alloc
47 2006-06-20 Roger Sayle <roger@eyesopen.com>
49 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
50 integer modes, attempt to directly construct an integer constant.
52 * fold-const.c (native_encode_vector): Determine the size of each
53 element from the vector type instead of the first vector element.
55 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
56 if all of its elements/components are constant.
57 (build_constructor_from_list): Likewise.
59 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
61 PR tree-optimization/27331
62 * tree-data-ref.c (free_data_ref): New function.
63 (create_data_ref): Fail if the data reference has unknown access
65 (free_data_refs): Use free_data_ref.
67 2006-06-19 Andrew Pinski <pinskia@gmail.com>
70 * tree-inline.c (setup_one_parameter): Strip useless
71 type conversion before adding it to the IR.
72 (declare_return_variable): Likewise.
74 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
77 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
79 2006-06-19 Mike Stump <mrs@apple.com>
81 * tree.c (variably_modified_type_p): VM arguments don't make the
84 2006-06-19 Richard Guenther <rguenther@suse.de>
86 * tree-ssa-pre.c (try_combine_conversion): Strip useless
87 type conversions after folding.
89 2006-06-19 Richard Guenther <rguenther@suse.de>
91 * ggc-page.c (extra_order_size_tab): Add entries with
92 size of struct function and basic_block.
93 (size_lookup): Extend to cover sizes up to 511.
94 (ggc_alloc_stat): Adjust user.
95 (ggc_pch_count_object): Likewise.
96 (ggc_pch_alloc_object): Likewise.
97 (ggc_pch_write_object): Likewise.
99 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
101 * tree-ssa-loop-niter.c (implies_ge_p): New function.
102 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
105 2006-06-19 Denis Chertykov <denisc@overta.ru>
107 * config/avr/libgcc.S : Correct my wrong previous commit.
109 2006-06-19 Roger Sayle <roger@eyesopen.com>
112 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
113 have stripped a SUBREG from the shift count, so we may need to
114 convert_to_mode back to the type's mode before calling make_tree.
115 Use new_amount instead of amount to avoid expanding a tree twice.
117 2006-06-19 Richard Guenther <rguenther@suse.de>
120 * fold-const.c (operand_equal_p): Check if the argument types
121 have the same precision before stripping NOPs.
123 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
125 Fix PR tree-optimization/27341
126 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
128 * tree-complex.c (pass_lower_complex): Update SMT usage.
130 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
132 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
133 Add a new alternative to the constraint strings. Add move of
134 operand 1 to 3 to the splitter definition.
135 ("doloop_si_long"): Second contraint alternative removed.
137 2006-06-08 Anatoly Sokolov <aesok@post.ru>
139 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
140 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
142 (AVR_HAVE_MOVW) Define.
143 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
144 (ASM_SPEC): Add avr25.
145 (LINK_SPEC): Add avr25.
146 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
147 (base_arch_s): Add new member 'have_movw_lpmx'.
148 (avr_arch_types): Init 'have_movw_lpmx'.
149 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
150 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
151 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
152 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
153 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
155 (avr_file_start): Do not output '.arh' derective.
156 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
157 (__do_copy_data): Use __AVR_HAVE_LPMX__.
158 * config/avr/avr.md (mcu_enhanced): Delete.
159 (mcu_have_movw): Define.
160 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
161 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
162 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
163 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
164 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
165 attiny861 and at86rf401 devices.
167 2006-06-18 Jie Zhang <jie.zhang@analog.com>
169 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
172 2006-06-17 Karl Berry <karl@gnu.org>
174 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
175 doc/gccint.texi, doc/install.texi (@dircategory): Use
176 "Software development" instead of "Programming", following
177 the Free Software Directory.
179 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
181 * config/i386/i386.c (legitimate_tls_address)
182 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
183 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
184 (*tls_dynamic_gnu2_combine_64): Likewise.
186 2006-06-16 Richard Guenther <rguenther@suse.de>
189 * fold-const.c (negate_expr_p): Do not introduce undefined
190 overflow in negating INTEGER_CSTs.
191 (fold_negate_expr): Rename from negate_expr. Revert last
192 change for folding BIT_NOT_EXPR. Change semantics to
193 return NULL_TREE for non-simplified negations. Do not
194 strip type conversions and unify type handling.
195 (negate_expr): New function, wrap around fold_negate_expr
196 but ensure building a tree always. Strip type conversions
197 here, fold to result type.
198 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
200 2006-06-16 Roger Sayle <roger@eyesopen.com>
203 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
204 that (would) return their results in stack registers.
206 2006-06-16 Michael Matz <matz@suse.de>
207 Richard Guenther <rguenther@suse.de>
209 * fold-const.c (fold_truthop): Only return new tree node if
210 we canonicalized something.
212 2006-06-16 Richard Guenther <rguenther@suse.de>
214 * function.h (enum function_frequency): Move declaration
215 out of struct function.
216 (struct function): Move bool fields and the enum to the bitfield
217 section. Reorder elements to avoid padding. Remove unused
218 fields left over from the RTL inliner removal.
219 * function.c (free_after_compilation): Do not zero removed fields.
220 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
221 (ipa-type-escape.o): Likewise.
223 2006-06-16 Richard Guenther <rguenther@suse.de>
225 * cgraph.h (struct cgraph_local_info): Turn bool elements
227 (struct cgraph_node): Likewise.
228 (struct cgraph_varpool_node): Likewise.
230 2006-06-15 Richard Guenther <rguenther@suse.de>
232 * fold-const.c (fold_truth_not_expr): Rename from
233 invert_truthvalue. Give it fold_* semantics to avoid
235 (invert_truthvalue): New function. Wrapper around
237 (optimize_minmax_comparison): Avoid creating garbage.
238 (fold_unary): Use fold_truth_not_expr for folding
240 (fold_ternary): Replace uses of invert_truthvalue with
241 fold_truth_not_expr where applicable.
242 * tree.h (fold_truth_not_expr): Prototype.
244 2006-06-16 Richard Guenther <rguenther@suse.de>
246 PR tree-optimization/27781
247 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
248 * ipa-pure-const.c (target.h): Include.
249 (analyze_function): Do not analyze functions that do not
252 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
255 * tree-dfa.c (referenced_vars_dup_list): Remove.
256 (find_referenced_vars): Remove assert.
257 (referenced_var_check_and_insert): Replace dup list with assert.
258 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
259 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
261 2006-06-15 Richard Guenther <rguenther@suse.de>
263 * tree-ssa-structalias.c (alias_get_name): Avoid creating
264 extra unused identifiers if not dumping.
265 (create_variable_info_for): Likewise.
267 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
269 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
270 (derive_constant_upper_bound): Derive more precise upper bound in
271 common cases. Return type changed to double_int.
272 (record_estimate): Reflect the changed return type of
273 derive_constant_upper_bound.
274 * double-int.c (double_int_zext, double_int_sext): Fix.
276 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
278 * configure.ac (CFLAGS): Get them from the toplevel or from the
279 configure invocation.
280 * configure: Regenerate.
281 * Makefile.in (CFLAGS): Substitute value provided by configure.
283 2006-06-14 Mark Mitchell <mark@codesourcery.com>
286 * c-common.h (c_finish_omp_atomic): Adjust declaration.
287 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
288 rather than calling add_stmt on it.
289 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
291 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
294 * reload1.c (reload): Remove registers returned by update_eliminables
295 from used_spill_regs.
297 2006-06-13 DJ Delorie <dj@redhat.com>
299 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
301 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
303 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
304 html__strip_dir, html__mkdir_p. Enhance install-html target.
305 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
306 * configure: Regenerate.
308 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
310 * fold-const.c (fold_cond_expr_with_comparison): Check for
311 Objective-C++ as language in deciding COND_EXPR transformation.
313 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
316 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
317 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
318 * config/sh/lib1funcs.h (SL, SL1): Define.
319 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
320 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
321 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
322 (OBJS_Os_4_200): New variable.
323 ($(T)libgcc-Os-4-200.a): Use it.
324 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
325 when dividing 1 and/or by 0.
327 2006-06-13 Roger Sayle <roger@eyesopen.com>
329 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
330 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
331 * configure: Regenerate.
333 2006-06-13 Jie Zhang <jie.zhang@analog.com>
335 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
336 for real instruction.
338 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
341 * haifa-sched.c (check_cfg): Handle special case.
343 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
346 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
347 Add debug_info parameter. Chain the vars to the BLOCK instead
348 of the BIND_EXPR if debug info are requested for them.
349 (pop_gimplify_context): Adjust for above change.
350 (gimple_add_tmp_var): Likewise.
351 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
353 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
354 (convert_local_reference): Likewise.
355 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
356 (finalize_nesting_tree_1): Request that debug info be emitted
359 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
361 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
364 2006-06-13 Richard Guenther <rguenther@suse.de>
367 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
369 2006-06-13 Richard Guenther <rguenther@suse.de>
371 PR tree-optimization/27830
372 * tree-inline.c (copy_body_r): For copying the operand
373 of an ADDR_EXPR make sure to fold &* afterwards.
375 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
377 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
378 lvalues in the fb_none case with side-effects.
380 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
382 * tree-flow.h: Remove the prototype for
383 compute_phi_arg_on_exit.
384 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
385 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
388 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
390 * builtins.c (expand_builtin_return_addr): Only use
391 frame_pointer_rtx when count == 0 and we are expanding
392 __builtin_return_address.
394 2006-06-12 Fred Fish <fnf@specifix.com>
396 * config/mips/mips.c (mips_file_start): Create special section
397 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
399 2006-06-11 Eric Christopher <echristo@apple.com>
402 * stor-layout.c (place_field): Remove check for
403 remaining_in_alignment when aligning at the end of a run.
405 2006-06-11 Eric Christopher <echristo@apple.com>
408 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
411 2006-06-11 Roger Sayle <roger@eyesopen.com>
414 Revert incorrect fix for PR target/27158
415 2006-05-08 Roger Sayle <roger@eyesopen.com>
416 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
417 of a reg_equiv_constant if the result is a legitimate constant.
419 2006-06-11 Roger Sayle <roger@eyesopen.com>
422 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
423 extract a CONST_VECTOR element and interpret it as an integer.
424 (vspltis_constant): Use const_vector_elt_as_int instead of the
425 macro CONST_VECTOR_ELT in order to handle FP vector modes.
426 * config/rs6000/predicates.md (easy_vector_const): Consider
427 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
429 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
432 * stor-layout.c (update_alignment_for_field): Don't add extra
433 alignment for packed non-bitfield fields in ms_bitfield_layout_p
436 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
438 * config/mips/t-rtems: Add EL/EB multilib variants.
440 2006-06-09 Mike Stump <mrs@apple.com>
442 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
444 2006-06-09 David Daney <ddaney@avtrex.com>
446 * doc/install.texi: Add binutils version recommendation for mips-*-*.
448 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
450 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
452 2006-06-09 Richard Guenther <rguenther@suse.de>
454 PR tree-optimization/26998
455 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
456 of signed types, only TYPE_MIN_VALUE is special, but for both,
457 minimum and maximum value. Likewise VR_ANTI_RANGE is special
458 in this case, as is -fwrapv.
460 2006-06-08 Mike Stump <mrs@apple.com>
463 * config/darwin.c (darwin_asm_output_anchor): Disable
464 -fsection-anchors on darwin for now.
465 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
466 * rs6000/rs6000.c (optimization_options): Likewise.
468 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
471 * config/i386/i386.c (classify_argument): Skip fields with invalid
474 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
476 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
477 (cse_insn): Likewise for the stack_pointer_rtx.
479 2006-06-08 Roger Sayle <roger@eyesopen.com>
481 * tree-ssa-dom.c (record_conditions): Only record "unordered"
482 conditions from floating point comparisons.
484 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
487 * expmed.c (struct alg_hash_entry): Fix type of field T
488 to match synth_mult argument.
489 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
491 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
494 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
497 2006-06-08 Richard Guenther <rguenther@suse.de>
500 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
501 only, if overflow is defined and not trapping.
502 (negate_expr): Likewise.
504 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
506 PR tree-optimization/27872
507 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
508 flag on the new exit edge of the unrolled loop.
510 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
512 PR rtl-optimization/26449
513 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
515 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
518 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
519 referenced_variables with matching DECL_UID's.
520 (find_referenced_vars): Make sure duplicate list is empty to start.
521 (referenced_var_p): Remove.
522 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
523 Check if var is in the list, and add if needed. Update the duplicate
524 list if a different var is in the list with the same DECL_UID.
525 (add_referenced_var): Call routine to check and insert.
526 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
527 * tree-flow.h (referenced_vars_dup_list): External declaration.
529 2006-06-07 Fred Fish <fnf@specifix.com>
531 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
534 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
537 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
538 the imaginary and real parts of a clobbered register.
539 Emit insn to set the imaginary part.
541 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
543 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
544 in lieu of unwind-dw2-fde.c.
546 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
548 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
550 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
553 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
554 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
555 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
556 V4SImode temporaries and operations instead.
558 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
560 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
563 2006-06-06 Mike Stump <mrs@apple.com>
565 * Makefile.in: Rename to htmldir to build_htmldir to avoid
566 installing during build.
568 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
570 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
572 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
573 * config/ia64/ia64.c (params.h): New header.
574 (ia64_optimization_options): New function to adjust parameters.
575 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
576 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
577 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
579 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
581 * stor-layout.c (debug_rli): Fix a typo in a debug message.
583 2006-06-05 Steve Ellcey <sje@cup.hp.com>
586 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
588 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
589 Victor Kaplansky <victork@il.ibm.com>
591 PR tree-optimization/26360
592 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
595 2006-06-04 Roger Sayle <roger@eyesopen.com>
596 Andrew Pinski <pinskia@physics.uc.edu>
599 * c-common.c (c_common_truthvalue_conversion): Explicitly check
600 for LABEL_DECL before calling DECL_WEAK.
603 * c-typeck.c (build_binary_op): Likewise, explicitly check for
604 LABEL_DECL and PARM_DECL.
606 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
610 * c-decl.c (grokdeclarator): Disallow variably modified types at
611 file scope. Avoid marking shared array type of constant size as
614 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
617 * c-common.c (fold_offsetof_1): Handle static members.
619 2006-06-04 Eric Christopher <echristo@apple.com>
621 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
622 (debug_rli): Output value for remaining_in_alignment.
623 (update_alignment_for_field): Unconditionalize
624 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
625 extra alignment code.
626 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
627 ms_bitfield_layout_p code. Rewrite handling of structure fields.
628 * tree.h (record_layout_info_s): Remove prev_packed.
629 * doc/extend.texi (ms_struct): Add documentation of format.
631 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
633 * tree.h: Declare folding_initializer.
634 * builtins.c (fold_builtin_constant_p): Give definite answer
635 if folding inside an initializer.
636 * fold-const.c: Define folding_initializer.
637 (START_FOLD_INIT): Save and then set folding_initializer.
638 (END_FOLD_INIT): Restore folding_initializer.
640 2006-06-04 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/27039
643 * fold-const.c (fold_comparison): Handle pointer comparison
644 again for all comparison codes. Compare offsets in signed
646 (fold_binary): Move code from here.
648 2006-06-03 Roger Sayle <roger@eyesopen.com>
651 * config/i386/i386.c (construct_container): Split static issued_error
652 flag into issued_sse_arg_error, issued_sse_ret_error and
653 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
654 requires the use of x87 registers and the user explicitly
655 specified the -mno-80387 command line option.
657 2006-06-02 Geoffrey Keating <geoffk@apple.com>
659 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
660 HAVE_DECL_SIGALTSTACK.
662 (segv_handler): Use MC_FLD.
663 * configure.ac: Check for a sigaltstack declaration.
664 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
665 * configure: Regenerate.
666 * config.in: Regenerate.
668 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
671 * Makefile.in (stmp-fixinc): Fix typo.
673 2006-06-02 Roger Sayle <roger@eyesopen.com>
675 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
676 are type correct. Clean-up.
677 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
678 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
680 2006-06-01 DJ Delorie <dj@redhat.com>
682 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
683 shift, as we've disabled the "switch" insn that needs it.
685 2006-06-01 Per Bothner <bothner@bothner.com>
687 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
688 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
689 * c-ppoutput.c (cb_define): Don't increment line 0.
691 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
693 * doc/invoke.texi: Add cpu_type power6.
694 * config.gcc: Add cpu_type power6.
695 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
696 to power5+ with Altivec.
697 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
698 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
700 2006-05-30 Anatoly Sokolov <aesok@post.ru>
702 * config/avr/avr.h (SET_ASM_OP): Define.
704 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
706 * config/bfin/bfin.c: Fix comment typos.
708 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
711 * doc/install.texi: Document --enable-bootstrap and
714 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
716 * doc/install.texi: Document that InfoZIP can replace jar.
718 2006-05-31 Roger Sayle <roger@eyesopen.com>
720 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
721 isn't available, directly generate the simpler x87 patterns without
722 the (use (const_int 0)).
723 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
724 implementation isn't available.
725 (*negdf2_1): Likewise.
726 (*negxf2_1): XF mode negation is always done using the x87.
727 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
729 2006-05-31 Roger Sayle <roger@eyesopen.com>
731 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
732 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
734 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
736 2006-05-31 Jie Zhang <jie.zhang@analog.com>
738 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
739 * config/bfin/bfin.c (basic-block.h): Include.
740 (struct machine_function): New.
741 (bfin_init_machine_status): New.
742 (override_options): Initialize init_machine_status.
743 (bfin_hardware_loop): New.
744 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
745 (DEF_VEC_P (loop_info)): New.
746 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
747 (struct loop_info): New.
748 (loop_info): New typedef.
749 (struct loop_work): New.
750 (loop_work): New typedef.
751 (DEF_VEC_O (loop_work)): New.
752 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
753 (bfin_dump_loops): New.
754 (bfin_bb_in_loop): New.
755 (bfin_scan_loop): New.
756 (bfin_optimize_loop): New.
757 (bfin_reorg_loops): New.
758 (bfin_reorg): Use bfin_reorg_loops.
759 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
761 (I_REGNO_P): Simplify.
762 (DP_REGNO_P, DPREG_P): New macros.
763 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
764 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
765 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
766 Add LT_REGS, LC_REGS, LB_REGS.
767 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
769 (REGNO_REG_CLASS): Deal with loop registers.
770 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
772 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
773 New constants for loop registers.
774 (UNSPEC_LSETUP_END): New.
775 (seq_insns): New define_attr. Set it for appropriate insns.
776 (movsi_insn): Add alternatives for move from/to
777 loop count registers.
778 (doloop_end): New define_expand.
779 (loop_end): New define_insn.
780 (define_split for bad doloop_end): New.
781 (lsetup_with_autoinit): New define_insn.
782 (lsetup_without_autoinit): New define_insn.
783 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
784 * config/bfin/predicates.md (lc_register_operand): New.
785 (lt_register_operand): New.
786 (lb_register_operand): New.
787 (nondp_register_operand): New.
788 (nondp_reg_or_memory_operand): New.
789 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
791 2006-05-31 Jie Zhang <jie.zhang@analog.com>
793 * config/bfin/bfin.c (bfin_delegitimize_address): New.
794 (TARGET_DELEGITIMIZE_ADDRESS): Define.
796 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
798 * Makefile.in (CATALOGS): Add po/ prefix.
799 * configure: Regenerated.
801 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
804 * arm.c (arm_print_operand case 'S'): Validate that the operand is
805 a shift operand before calling shift_op. Avoid redundant call of
808 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
809 DJ Delorie <dj@redhat.com>
811 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
812 we're inserting is a singlt-bit constant.
814 2006-05-30 Roger Sayle <roger@eyesopen.com>
816 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
817 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
819 2006-05-30 Roger Sayle <roger@eyesopen.com>
821 PR tree-optimization/23452
822 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
823 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
824 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
825 complex values and with -ffast-math for FP complex values.
827 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
829 * c-common.h: Remove the prototype for yyparse.
830 * rtl.h: Remove the prototype for init_loop.
832 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
834 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
837 2006-05-30 Roger Sayle <roger@eyesopen.com>
839 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
841 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
842 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
844 2006-05-30 Dirk Mueller <dmueller@suse.de>
847 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
848 for CONSTANT_CLASS_P expresisons.
850 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
853 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
855 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
857 PR tree-optimization/27779
858 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
859 initial_condition instead of CHREC_LEFT.
861 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
863 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
864 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
865 Make prototypes ISO C90.
867 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
868 Leehod Baruch <leehod.baruch@weizmann.ac.il>
870 * see.c (see_analyze_one_def): Correct check.
871 (see_get_extension_data): Check if extension is parallel.
872 (see_get_extension_reg): Likewise.
874 2006-05-30 Uros Bizjak <uros@kss-loka.si>
877 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
878 into register for (code == GTU).
880 2006-05-29 Roger Sayle <roger@eyesopen.com>
882 PR tree-optimization/24964
883 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
884 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
885 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
886 abs(x)*abs(x) as x*x for scalar floating point modes.
888 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
891 * lambda-code.c (perfect_nestify): Don't copy statements
892 in the inner loop: move them to the inner loop header.
894 2006-05-29 Diego Novillo <dnovillo@redhat.com>
897 * c-tree.texi: Document OpenMP directives and clauses.
899 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
901 * varasm.c (globalize_decl): Fix indentation.
903 2006-05-29 Diego Novillo <dnovillo@redhat.com>
906 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
907 pass_fre, pass_store_ccp, pass_copy_prop,
908 pass_store_copy_prop, pass_merge_phi, pass_nrv,
909 pass_return_slot, pass_object_size, pass_lim,
910 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
911 pass_loop_prefetch and pass_stdarg.
913 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
915 * config/bfin/bfin.opt (mfdpic): New option.
916 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
917 (EXTRA_MULTILIB_PARTS): Likewise.
918 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
919 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
921 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
922 (CRT_CALL_STATIC_FUNCTION): New.
923 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
925 (CRT_CALL_STATIC_FUNCTION): New.
926 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
928 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
929 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
930 (initialize_trampoline): Changed to handle FD-PIC code generation.
931 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
932 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
933 (override_options): Disallow -mid-shared-library -mfdpic combination.
934 Can't do unaligned ops if FD-PIC.
935 Turn off flag_pic if trying to generate non-id-shared-library
936 non-fdpic code, since it's not supported.
937 (bfin_assemble_integer): New function.
938 (TARGET_ASM_INTEGER): Define.
939 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
941 * config/bfin/crtn.s: Restore them.
942 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
944 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
945 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
946 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
947 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
948 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
950 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
951 FDPIC_REGS and FDPIC_FPTR_REGS.
952 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
953 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
954 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
955 (load_funcdescsi): New pattern.
956 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
957 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
958 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
960 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
962 * gcse.c, rtlanal.c: Remove obsolete comments associated with
965 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
967 * tree-flow.h: Remove the prototype for add_type_alias.
968 * tree-ssa-alias.c (add_type_alias): Remove.
970 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
972 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
973 config/fr30/fr30.md, config/i386/i386-interix.h,
974 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
975 config/sh/superh64.h, config/v850/v850.c, df-core.c,
976 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
977 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
978 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
979 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
980 Follow spelling conventions.
981 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
982 Follow spelling conventions.
984 2006-05-27 Richard Guenther <rguenther@suse.de>
987 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
988 to produce a constant of value 1 of generic type.
990 2006-05-27 Dirk Mueller <dmueller@suse.de>
992 * cgraphunit.c (decide_is_function_needed): Fix wrong
995 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
997 PR rtl-optimization/27661
998 * reload.c (find_reloads): When reloading a VOIDmode constant
999 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1000 use Pmode as mode of the reload register.
1002 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1004 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1005 is enabled at -O and above.
1007 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1010 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1013 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1016 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1017 for anonymous variables explicitly declared by front ends.
1019 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1021 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1022 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1023 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1024 ref-all pointers, run a finalization pass for them.
1025 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1026 (finalize_ref_all_pointers): New function.
1027 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1028 regular pointer type to a ref-all pointer type.
1029 (get_tmt_for): Return the special memory tag for ref-all pointers.
1031 2006-05-25 Richard Guenther <rguenther@suse.de>
1034 * fold-const.c (fold_binary): Do not look at the stripped
1035 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1037 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1039 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1040 for LT and GT if the computed range is effectively empty.
1042 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1045 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1046 mips_quad_format formats instead of ieee_single_format,
1047 ieee_double_format and ieee_quad_format formats, respectively.
1049 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1051 PR tree-optimization/27639
1052 PR tree-optimization/26719
1053 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1054 call to scev_probably_wraps_p.
1055 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1056 used_in_pointer_arithmetic_p, convert_step): Removed.
1057 (nowrap_type_p): New function.
1058 (scev_probably_wraps_p): Rewritten.
1059 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1060 chrec_convert if chrec_convert_aggressive might have been used.
1061 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1062 scev_direction): New functions.
1063 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1064 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1065 instead of convert_step.
1066 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1067 (convert_step): Declaration removed.
1068 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1070 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1072 * df-core.c: Added to header comments.
1073 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1074 df_ur_bb_info, df_urec_bb_info): Added comments.
1075 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1076 urec, ri problems): Fixed header comments.
1077 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1078 code from df_rd_transfer_function.
1080 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1082 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1083 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1084 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1086 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1088 * expr.c (undefined_operand_subword_p): New.
1089 (emit_move_multi_word): Do not generate move from undefined bits
1090 of a paradoxical subreg.
1092 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1094 PR rtl-optimization/27736
1095 * combine.c (replaced_rhs_value): New variable.
1096 (combine_instructions): Set it.
1097 (distribute_notes): When distributing a note in replaced_rhs_insn,
1098 check whether the value was used in replaced_rhs_value.
1100 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1103 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1104 add_referenced_var instead of add_referenced_tmp_var.
1105 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1106 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1108 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1109 tree_optimize_tail_calls_1): Use add_referenced_var.
1110 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1111 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1112 Use add_referenced_var.
1113 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1114 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1115 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1116 Use add_referenced_var.
1117 * tree-dfa.c (struct walk_state): Remove.
1118 (find_referenced_vars): Remove walk state and vars_found hash table.
1119 (make_rename_temp): Use add_referenced_var.
1120 (find_vars_r): Pass less parameters to add_referenced_var.
1121 (referenced_var_p): New. Is var in referenced_var hash table.
1122 (referenced_var_insert): Assert var isn't already in hash table.
1123 (add_referenced_var): Don't need walk_state parameter. Add var if it
1124 isn't already in the hash table.
1125 (add_referenced_tmp_var): Remove.
1126 (find_new_referenced_vars_1): Use add_referenced_var.
1127 * tree-ssa-pre.c (create_expression_by_pieces,
1128 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1129 Use add_referenced_var.
1130 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1131 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1132 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1134 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1135 vect_create_data_ref_ptr, vect_create_destination_var,
1136 vect_init_vector, vect_build_loop_niters,
1137 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1138 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1139 Use add_referenced_var.
1140 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1141 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1142 (add_referenced_var): Add prototype.
1143 * tree-ssa-structalias.c (get_constraint_for,
1144 intra_create_variable_infos): Use add_referenced_var.
1146 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1148 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1149 big-endian paradoxical subregs.
1150 * var-tracking.c (struct micro_operation_def): Document that,
1151 for modify micro operations, insn is the subsequent instruction.
1152 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1153 (var_reg_set, var_mem_set): ... new functions.
1154 (add_stores): Record subsequent insn.
1155 (compute_bb_dataflow): Use new functions for MO_USE.
1156 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1157 notes after the insn, and modify notes before the insn known
1158 to be the subsequent one.
1159 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1161 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1164 * config/i386/i386.c (ix86_expand_builtin): Use
1165 gen_sse3_monitor64 for TARGET_64BIT.
1167 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1169 PR rtl-optimization/26375
1170 PR rtl-optimization/26855
1171 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1173 (df_ru_bb_local_compute): Reversed statements and removed bogus
1174 comment explaining why they should be in wrong order.
1175 (df_ru_dump, df_rd_dump): Enhanced debug info.
1176 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1178 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1179 reaching uses and fixed space problem.
1181 2006-05-23 Jan Hubicka <jh@suse.cz>
1183 * cgraphunit.c (decide_is_function_needed): Also nested functions
1184 and functions declared inline can be optimized out at -O0.
1186 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1188 * doc/install.texi (Configuration): Remove reference to CrossGCC
1189 FAQ which was hijacked.
1192 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1195 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1196 ix86_compare_emitted is non-NULL.
1198 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1201 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1204 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1206 PR rtl-optimization/25514
1207 * combine.c (replaced_rhs_insn): New variable.
1208 (combine_instructions): Set replaced_rhs_insn when trying to replace
1209 a SET_SRC with a REG_EQUAL note.
1210 (distribute_notes): Use replaced_rhs_insn when determining the live
1211 range of a REG_DEAD register.
1213 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1214 Anatoly Sokolov <aesok@post.ru>
1216 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1217 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1218 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1219 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1220 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1221 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1222 at90usb647, at90usb1286 and at90usb1287 devices.
1223 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1224 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1226 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1228 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1230 2006-05-22 Richard Guenther <rguenther@suse.de>
1233 2006-01-31 Richard Guenther <rguenther@suse.de>
1234 Paolo Bonzini <bonzini@gnu.org>
1236 * doc/install.texi (--disable-libgcc-math): Document.
1238 2006-05-22 Richard Guenther <rguenther@suse.de>
1241 2006-01-31 Richard Guenther <rguenther@suse.de>
1243 * doc/invoke.texi (-msselibm): Document.
1244 * target.h (expand_library_builtin): New target hook.
1245 * builtins.c (expand_builtin): Use expand_library_builtin.
1246 (default_expand_library_builtin): New function.
1247 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1248 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1249 (link_gcc_math_spec): Declare.
1250 (static_specs): Add link_gcc_math_spec.
1251 * expr.h (default_expand_library_builtin): Declare.
1252 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1253 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1254 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1255 * config/i386/i386.opt (msselibm): New target option.
1256 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1257 (ix86_init_sse_abi_builtins): New function.
1258 (ix86_expand_library_builtin): Likewise.
1259 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1260 (override_options): Handle error conditions wrt -msselibm.
1261 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1262 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1263 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1266 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1269 * c-common.c (self_promoting_args_p): Skip erroneous args.
1272 * c-decl.c (finish_struct): Skip erroneous fields.
1274 2006-05-22 Nick Clifton <nickc@redhat.com>
1276 * config/cris/cris.opt (march): Remove VarExists attribute.
1277 (max-stackframe=): Likewise.
1279 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1281 * doc/rtl.texi: Fix a typo.
1282 * see.c: Fix comment typos.
1284 * tree-ssa-structalias.h (alias_info): Remove num_references.
1286 2006-05-21 Mike Stump <mrs@apple.com>
1288 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1290 (darwin_pragma_options): Use BAD instead.
1291 (darwin_pragma_unused): Likewise.
1292 (darwin_pragma_ms_struct): Likewise.
1294 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1296 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1298 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1300 PR rtl-optimization/27671
1301 * simplify-rtx.c (simplify_relational_operation_1): Fix
1302 simplifications of (eq/ne (xor x y) y) and
1303 (eq/ne (xor x y) x).
1305 PR tree-optimization/26622.
1306 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1309 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1311 * tree-cfg.c: Prune whitespace.
1312 (debug_tree_cfg): Point to correct header containing the
1315 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1318 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1320 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1323 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1324 or sorry count is non zero.
1326 2006-05-20 Andreas Schwab <schwab@suse.de>
1328 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1330 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1331 Kenneth Zadeck <zadeck@naturalbridge.com>
1333 PR rtl-optimization/26855
1335 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1337 (df_scan_alloc): Added code to properly handle multiword hard
1338 registers and add all_blocks parameter.
1339 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1340 code to properly handle multiword hard registers.
1341 (df_rescan_blocks): Added code to remove deleted blocks from
1343 (df_ref_create_structure, df_ref_record): Added code to properly
1345 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1346 and set DF_REF_PARTIAL.
1347 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1348 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1349 (df_scan_add_problem): Added flags parameter.
1350 (df_ref_create_structure): Changed switching structure.
1351 (df_bb_refs_record): Fixed case where duplicate artificial refs
1352 were created. Changed location of flags.
1353 (df_record_entry_block_defs): Added code to make stack pointer
1354 live in entry block. Refined cases where frame pointer is needed.
1355 Changed location of flags.
1356 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1357 (df_set_state): Removed function.
1358 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1359 df_insn_create_insn_record, df_insn_refs_delete,
1360 df_ref_create_structure): Formatting changes.
1361 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1362 df_delete_basic_block): New function.
1363 (df_init): Changed location of flags.
1364 (df_add_problem): Added flags parameter and the way flags are
1366 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1367 debug_df_chain): Improved debugging output.
1368 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1369 (df_refs_chain_dump): Removed df parameter.
1370 (df_iterative_dataflow): Added consistency check.
1371 (df_prune_to_subcfg): Made public.
1372 (df_analyze_problem): Added blocks_to_init parameter and made
1374 (df_ref_record, df_bb_refs_record, df_mark_reg,
1375 df_record_exit_block_uses): Whitespace changes.
1376 (df_dump): Whitespace changes.
1377 * df.h: Some reordering to remove forward references.
1378 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1379 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1380 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1381 (dataflow.flags): New field.
1382 (df.flag): Deleted field.
1383 (df_alloc_function): Added additional bitmap parameter.
1384 (df_dependent_problem_function): New type.
1385 (df_problem.changeable_flags): New field.
1386 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1387 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1388 (df_mw_hardreg): New struct.
1389 (DF_INSN_UID_MWS): New macro.
1390 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1392 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1393 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1394 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1395 (df_set_state): Removed function.
1396 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1397 * df-problems.c (df_chain_dump): Removed df parameter.
1398 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1399 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1401 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1402 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1403 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1404 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1405 DF_REF_MUST_CLOBBER cases.
1406 (df_ru_bb_local_compute_process_def,
1407 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1408 df_lr_bb_local_compute, df_ur_bb_local_compute,
1409 df_chain_create_bb): Made subreg aware.
1410 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1411 df_lr_bb_local_compute, df_lr_bb_local_compute,
1412 df_chain_create_bb): Cleanup to use proper macros.
1413 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1414 code to fixup bitvectors.
1415 (df_ri_alloc): Cleared lifetime.
1416 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1417 df_create_unused_note): New function.
1418 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1419 REG_DEAD and REG_UNUSED notes as well as register information.
1420 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1421 df_chains_dump): Fixed crash if problem was never run.
1422 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1423 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1424 df_ri_add_problem): Processes flags in uniform manner.
1425 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1426 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1427 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1428 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1429 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1430 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1431 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1432 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1433 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1434 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1435 * see.c (see_initialize_data): Ditto.
1436 * final.c (rest_of_clean_state) Added regstack_completed.
1437 * rtl.h (regstack_completed): Ditto.
1438 * reg-stack.c (regstack_completed): Ditto.
1440 2006-05-19 Mike Stump <mrs@apple.com>
1442 * c-tree.h (default_conversion): Remove.
1443 * c-common.h (default_conversion): Add.
1445 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1447 * tree-vrp.c (valid_value_p): New function.
1448 (adjust_range_with_scev): Fail if the value of bound is not
1451 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1453 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1454 (mips_fallback_frame_state): Use syscall numbers to determine
1455 the appropriate li instruction for the current ABI. Only use
1456 __NR_sigreturn for o32.
1458 2006-05-19 Nicolas Setton <setton@adacore.com>
1460 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1461 * langhooks.c (lhd_dwarf_name): New function.
1462 * langhooks-def.h (lhd_dwarf_name): Declare.
1463 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1464 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1465 * ada/misc.c (gnat_dwarf_name): New function.
1466 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1468 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1470 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1472 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1473 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1474 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1475 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1476 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1477 determine the size of Wtype, etc.
1478 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1479 (swfloatfuncs): New variable.
1480 (dwfloatfuncs): Likewise.
1481 (lib2funcs): Remove floating-point conversion functions from
1482 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1483 the set of conversion routines needed. Allow entries to specify
1484 an object name, filename and word size. Update users accordingly.
1485 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1486 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1490 2006-02-08 Roger Sayle <roger@eyesopen.com>
1493 * config/fixtfdi.c: New libgcc source file.
1494 * config/fixunstfdi.c: New source file.
1495 * config/floatditf.c: New source file.
1496 * config/floatunditf.c: New souce file.
1497 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1498 files above instead of config/mips/_tilib.c.
1499 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1501 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1503 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1504 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1506 2006-05-18 Mike Stump <mrs@apple.com>
1508 Fix up vla, vm and [*] sematics.
1514 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1515 (c_vla_unspec_p): Add.
1516 (c_vla_type_p): Add.
1517 * c-decl.c (struct c_scope): Add had_vla_unspec.
1518 (build_array_declarator): Add support for [*].
1519 (grokdeclarator): Likewise.
1520 (grokparms): Likewise.
1521 (get_parm_info): Likewise.
1522 * c-objc-common.c (c_vla_unspec_p): Likewise.
1523 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1524 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1525 typeof when argument is a variably modified type not inside sizeof or alignof.
1526 (c_parser_direct_declarator_inner): Propagate errors.
1527 (c_parser_sizeof_expression): Add support for [*].
1528 (c_parser_parms_declarator): Initialize had_vla_unspec.
1529 (c_parser_parms_list_declarator): Likewise.
1530 * c-typeck.c (c_vla_type_p): Add.
1531 (composite_type): Add support for vla compositing.
1532 (comptypes_internal): Add support for vla compatibility.
1533 (c_expr_sizeof_expr): Evaluate vla arguments.
1534 * tree.c (variably_modified_type_p): Update comment for [*].
1536 2006-05-18 Michael Matz <matz@suse.de>
1539 * config.host: Make assignments to host_xmake_file cumulative.
1540 * config.host (*-darwin*): Test $host, not $target.
1542 2006-05-12 Stuart Hastings <stuart@apple.com>
1544 * config/i386/i386.opt (-mstackrealign): New flag.
1545 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1546 (ix86_handle_cconv_attribute): Emit error when
1547 force_align_arg_pointer attribute collides with too many regparms.
1548 (ix86_function_regparm): Limit regparms when used with
1549 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1550 Support stack-realigning prologue in non-main functions. Emit
1551 warning for nested functions under -mstackrealign, emit error for
1552 nested functions with force_align_arg_pointer attribute.
1553 * doc/extend.texi (force_align_arg_pointer): Document it.
1554 * doc/invoke.texi (-mstackrealign): Document it.
1556 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1558 PR rtl-optimization/27477
1559 * combine.c (try_combine): Don't split a parallel consisting
1560 of two sets into two individual sets if both sets reference
1563 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1565 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1566 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1568 * doc/options.texi (VarExists): Updated.
1570 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1572 * unwind-dw2.c: Add declarations for uw_update_context and
1574 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1575 detected, advance frame state and context once to skip over stub.
1577 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1581 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1582 Call rewrite_into_loop_closed_ssa only when something changed.
1583 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1584 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1585 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1586 Test for perfect_nest_p here. Fix formating.
1587 (replace_uses_equiv_to_x_with_y): Fix formating.
1588 (stmt_uses_op): Removed.
1589 (can_convert_to_perfect_nest): Removed loopivs parameter.
1590 Complete the test by checking the scalar dependences.
1591 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1594 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1597 From Dan Kegel <dank@kegel.com>:
1598 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1600 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1602 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1603 if the element type is variably modified without recursing.
1605 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1608 * tree-loop-linear.c (try_interchange_loops): Test for
1609 no data dependences.
1611 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1613 PR tree-optimization/27548
1614 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1615 range of ssa names that appear on abnormal edges.
1616 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1617 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1619 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1622 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1624 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1627 * tree.h (OMP_PARALLEL_COMBINED): Define.
1628 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1629 (new_omp_context): Add is_combined_parallel argument.
1630 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1631 new_omp_context caller.
1632 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1633 Adjust gimplify_scan_omp_clauses callers.
1634 (omp_is_private): Issue errors if iteration variable is firstprivate
1635 or reduction in the current context.
1636 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1637 on combined parallel workshare constructs.
1639 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1641 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1642 (gcc-options.o): New rule.
1644 * optc-gen.awk: Protect variables for gcc-options.o with
1645 #ifdef GCC_DRIVER/#endif.
1647 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1649 Fix PR tree-optimization/27373
1650 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1651 (forward_propagate_addr_expr): Update call.
1653 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1655 * doc/options.texi: Move the Negative option.
1657 2006-05-16 Richard Guenther <rguenther@suse.de>
1659 PR tree-optimization/22303
1660 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1662 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1663 ccp_fold did not simplify the statement.
1665 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1668 * Makefile.in (GCC_OBJS): New.
1669 (OBJS-common): Add opts-common.o.
1670 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1671 (cpp$(exeext)): Likewise.
1672 (gcc.o): Also depend on opts.h.
1673 (opts-common.o): New.
1675 * common.opt (gcoff): Add Negative(gdwarf-2).
1676 (gdwarf-2): Add Negative(gstabs).
1677 (gstabs): Add Negative(gstabs+).
1678 (gstabs+): Add Negative(gvms).
1679 (gvms): Add Negative(gxcoff).
1680 (gxcoff): Add Negative(gxcoff+).
1681 (gxcoff+): Add Negative(gcoff).
1682 * config/i386/i386.opt (m32): Add Negative(m64).
1683 (m64): Add Negative(m32).
1685 * doc/options.texi: Document the Negative option.
1687 * gcc.c: Include "opts.h".
1688 (main): Call prune_options after expandargv.
1690 * optc-gen.awk: Generate common declarations for all flag
1691 variables in options.c. Output the neg_index field.
1693 * opts.c (find_opt): Moved to ...
1694 * opts-common.c: Here. New file.
1696 * opts.h (cl_option): Add a neg_index field.
1698 (prune_options): Likewise.
1700 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1703 * omp-low.c (expand_omp_parallel): Don't assert
1704 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1705 instead search for it.
1708 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1711 2006-05-16 Andreas Schwab <schwab@suse.de>
1713 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1716 2006-05-15 Roger Sayle <roger@eyesopen.com>
1719 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1720 integer constants other than zero are only legitimate on TARGET_64BIT.
1721 <CONST_VECTOR> Only zero vectors are legitimate.
1722 (ix86_cannot_force_const_mem): Integral and vector constants can
1723 always be put in the constant pool.
1725 2006-05-16 DJ Delorie <dj@redhat.com>
1727 * crtstuff.c (__dso_handle): Set section from
1728 TARGET_LBIGCC_SDATA_SECTION if defined.
1729 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1730 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1732 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1735 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1738 2006-05-16 Ben Elliston <bje@au.ibm.com>
1740 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1742 2006-05-15 Per Bothner <per@bothner.com>
1744 * tree.c: (last_annotated_node): Use source_locus typedef.
1745 This permits bootstrapping with --enable-mapped-location.
1747 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1749 PR tree-optimization/26830
1750 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1751 (info_for_ssa_name, current_info_for_ssa_name_age,
1752 blocks_to_update): New variables.
1753 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1754 (clear_ssa_name_info, initialize_flags_in_bb,
1755 mark_block_for_update): New functions.
1756 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1757 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1758 prepare_def_site_for): Use mark_block_for_update.
1759 (mark_def_interesting): Assert that the processed block is marked in
1760 blocks_to_update. Do not take blocks argument.
1761 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1763 (rewrite_update_init_block, rewrite_update_stmt): Only process
1764 blocks with statements to rewrite.
1765 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1766 (update_ssa): Initialize and free blocks_to_update. Do not
1767 clear flags on statements. Do not use blocks bitmap.
1768 * tree.h (SSA_NAME_AUX): Removed.
1769 (struct tree_ssa_name): Removed aux field.
1770 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1772 2006-05-15 Richard Guenther <rguenther@suse.de>
1774 PR tree-optimization/27603
1775 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1776 Do computations in original type.
1778 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1780 * see.c: Code style changes such as redundant paranthesis,
1781 redundant intialization of local variables etc.
1782 (see_main): Declared now as static.
1783 * doc/invoke.texi: Update that -fsee is not enabled by
1786 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1788 * omp-low.c (check_omp_nesting_restrictions): New function.
1789 (scan_omp_1): Call it.
1792 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1793 construct, return *VAR.
1795 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1797 PR rtl-optimization/27406
1798 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1801 2006-05-14 Roger Sayle <roger@eyesopen.com>
1803 PR rtl-optimization/27538
1804 * combine.c (expand_compound_operation): Call gen_lowpart
1805 before calling simplify_shift_const.
1807 2006-05-14 Roger Sayle <roger@eyesopen.com>
1809 PR rtl-optimization/22563
1810 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1811 a fixed width bitfield, always force the intermediates into psuedos.
1813 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1816 * mkconfig.sh: Use operator = instead of == for test.
1818 2006-05-13 Nick Clifton <nickc@redhat.com>
1820 * dwarf2out.c (dbx_reg_number): Check return value from
1821 LEAF_REG_REMAP and only use it if it is valid.
1822 (multiple_reg_loc_descriptor): Likewise.
1824 2006-05-13 Richard Guenther <rguenther@suse.de>
1826 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1829 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1831 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1832 information attached to non-INSNs such as NOTEs.
1833 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1835 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1837 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1839 * config/s390/s390.md: Adjust comment describing On constraint.
1841 2006-05-11 Jan Hubicka <jh@suse.cz>
1843 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1844 to be output at -O0.
1846 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1849 * fold-const.c (size_binop): Move sanity check for arguments to
1850 the beginning of the function.
1853 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1856 2006-05-11 Richard Guenther <rguenther@suse.de>
1859 * fold-const.c (fold_unary): Handle intermediate conversion
1860 to a pointer type like intermediate conversion to an integer
1861 type in folding of (T1)(T2)var to var.
1862 Match the code to the comment in the final conversion for
1863 (T1)(T2)var to (T1)var regarding to type precision. Rather
1864 than disallow T1 being of pointer type, assert that both T1
1865 and var are of pointer type or not. Make sure not to fall
1866 over the frontends lazyness wrt array to pointer decay though.
1868 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1870 * arm.c (arm_struct_value_rtx): Delete.
1871 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1872 (arm_init_cumulative_args): Always initialize nregs to zero.
1874 2006-05-10 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/27532
1877 * tree-object-size.c (plus_expr_object_size): Fix typo.
1879 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1882 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1883 ashrdi_const, ashrdi3): Use a scratch register.
1885 2006-05-10 Richard Guenther <rguenther@suse.de>
1887 PR tree-optimization/27302
1888 * fold-const.c (operand_equal_p): For two comparisons,
1889 try comparison of one comparison code swapped if that yields
1892 2006-05-10 Ben Elliston <bje@au.ibm.com>
1894 * tree-pretty-print.c (pretty_print_string): No need to handle
1895 '\0' as a special character.
1897 * tree.h: Include "hashtab.h".
1898 (iterative_hash_expr): Use hashval_t in its prototype.
1899 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1901 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1904 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1905 (hppa*64*-*-hpux11*): Ditto.
1906 (hppa[12]*-*-hpux11*): Ditto.
1908 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1911 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1913 2006-05-09 Michael Matz <matz@suse.de>
1915 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1916 host_extra_gcc_objs and host_xmake_file.
1917 (<*-*-linux*>): Don't overwrite host_xmake_file.
1918 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1919 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1920 (host_detect_local_cpu): Declare.
1921 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1922 * config/i386/i386.c (override_options): Handle -mtune=native
1924 * config/i386/x-i386: New file.
1925 * config/i386/driver-i386.c: New file.
1926 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1929 2006-05-09 Dirk Mueller <dmueller@suse.de>
1930 Richard Guenther <rguenther@suse.de>
1933 * fold-const.c (fold_read_from_constant_string): Relax check
1934 for matching types to matching modes.
1936 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1938 PR rtl-optimization/27335
1939 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1942 2006-05-08 Chao-ying Fu <fu@mips.com>
1943 Richard Sandiford <richard@codesourcery.com>
1945 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1946 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1947 * config/mips/mips.md (UNSPEC_SCC): New constant.
1948 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1949 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1950 (mips_emit_compare): Use it.
1951 (mips_expand_vcondv2sf): New function.
1953 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1955 Fix PR tree-optimization/27093
1956 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1957 renaming when they become not-used_alone.
1959 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1961 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1962 relocation and relocation stubs.
1964 2006-05-08 Eric Christopher <echristo@apple.com>
1966 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1969 2006-05-08 Jan Hubicka <jh@suse.cz>
1972 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1973 unused static functions are needed.
1975 2006-05-08 Roger Sayle <roger@eyesopen.com>
1978 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1979 of a reg_equiv_constant if the result is a legitimate constant.
1981 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1984 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1985 standard 80387 constants, raise the cost to prevent
1986 compress_float_constant() to generate load from memory.
1988 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1990 * config/arm/constraints.md (c): Fix a typo.
1992 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1995 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1998 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2000 (_mm_mwait): Likewise.
2002 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2004 (sse3_monitor): Make it 32bit only.
2005 (sse3_monitor64): New. 64bit monitor.
2007 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2010 * config/i386/i386.c (classify_argument): Skip fields with invalid
2013 2006-05-07 Richard Guenther <rguenther@suse.de>
2015 PR tree-optimization/27409
2016 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2017 Do not try to find zero-sized subvars.
2019 2006-05-07 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/27136
2022 * tree-ssa-loop-niter.c (get_val_for): Correct function
2023 comment, assert requirements.
2024 (loop_niter_by_eval): Stop processing if the iterated
2025 value did not simplify.
2027 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2029 * opts.c (flag_see): remove its setting at -O3.
2031 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2033 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2034 * arm/constraints.md: New file.
2035 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2036 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2037 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2038 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2039 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2040 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2041 * arm.md: Include constraints.md.
2042 (thumb_movsi_insn): Use satisfies_constraint_J.
2043 (movhi, movqi): Use satisfies_constraint_I.
2045 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2047 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2048 for atmeg a645 device.
2050 2006-05-06 Richard Guenther <rguenther@suse.de>
2052 PR tree-optimization/27151
2053 * tree-vect-transform.c (vectorizable_condition): Punt on
2054 values that have a different type than the condition.
2056 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2059 * c-parser.c (c_parser_cast_expression): Only insert casts into
2060 hash table if pointer.
2061 * function.c (used_types_insert_helper): Rename from
2063 (used_types_insert): Call used_types_insert_helper.
2064 * function.h (used_types_insert): Accept only one argument.
2066 2006-05-05 David Edelsohn <edesohn@gnu.org>
2068 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2069 scratch with output modifier.
2071 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2074 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2075 with output modifier.
2077 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2080 * config/mips/mips.c (mips_symbolic_address_p): Return true
2081 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2082 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2084 2006-05-04 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/14287
2087 PR tree-optimization/14844
2088 PR tree-optimization/19792
2089 PR tree-optimization/21608
2090 PR tree-optimization/27090
2091 * tree-ssa-pre.c (try_combine_conversion): New function.
2092 (compute_avail): After constructing the value-handle
2093 expression, use try_combine_conversion to combine NOP_EXPRs
2094 with previous value-handle expressions and use the result if it
2097 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2099 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2101 2006-05-04 Jan Hubicka <jh@suse.cz>
2104 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2106 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2108 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2109 that this only matches CONST_INTs. All users changed to VOIDmode
2112 * config/bfin/bfin.c: Include "optabs.h".
2113 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2115 (enum bfin_builtins): Add a number of fractional and vector builtins.
2116 (bfin_init_builtins): Likewise.
2117 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2118 (safe_vector_operand, bfin_expand_binop_builtin,
2119 bfin_expand_unop_builtin): New functions.
2120 (bfin_expand_builtin): Handle the new builtins.
2121 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2124 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2127 * Makefile.in (OBJS-common): Add see.o.
2128 (see.o): Add dependencies.
2129 * common.opt (fsee): New flag for the see optimization was added.
2130 * opts.c (flag_see): Initialized.
2131 * passes.c (init_optimization_passes, pass_see): New pass.
2132 * rtl.h (see_main): Declaration as extern.
2133 * timevar.def (TV_SEE): New.
2134 * tree-pass.h (pass_see): Declaration as extern.
2135 * invoke.texi (-fsee): Document.
2136 * recog.c (validate_simplify_insn): New function.
2137 * recog.h (validate_simplify_insn): Declaration as extern.
2138 * df-problems.c (df_chain_dump): Check for NULL.
2140 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2141 Daniel Berlin <dberlin@dberlin.org>
2143 * cfgrtl.c (insert_insn_bb_end_new): New function.
2144 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2146 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2148 * df.h (struct web_entry): Moved from web.c.
2149 (union_defs): Declaration as extern.
2150 (unionfind_root): Likewise.
2151 (unionfind_union): Likewise.
2152 * web.c (struct web_entry): Moved to df.h.
2153 (unionfind_root): Remove static declaration.
2154 (unionfind_union): Likewise.
2155 (union_defs): Likewise and generalize to use callback function.
2156 (web_main): Update arguments for union_defs function call.
2158 2006-05-04 Richard Guenther <rguenther@suse.de>
2160 PR tree-optimization/26447
2161 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2162 produce SSA_NAME copies before the store stmt to avoid
2163 breaking exception handling.
2165 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2168 * gimplify.c (omp_is_private): If var is shared in some outer context,
2169 return false instead of true. Stop searching on parallel context
2172 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2175 * coverage.c: Use get_gcov_unsigned_t() instead of
2176 unsigned_type_node all over.
2178 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2180 PR tree-optimization/27381
2181 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2182 maintain the same immediate_use links.
2183 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2184 node rather than segfaulting.
2186 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2189 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2190 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2191 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2193 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2195 Fix PR tree-optimization/26626
2196 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2198 * tree-ssa-operands.c (access_can_touch_variable): Allow
2199 typecasting through union pointers.
2201 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2204 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2205 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2206 to find if var will be a global variable even in the nested context.
2207 (omp_copy_decl): Only check for global variable at the end, it might
2208 be overridden in outer contexts.
2209 (scan_sharing_clauses): For global variables don't create a field.
2210 (lower_rec_input_clauses): Do nothing for global shared variables.
2211 Emit a barrier at the end of ILIST if there were any decls in both
2212 firstprivate and lastprivate clauses.
2213 (lower_send_clauses): Do nothing for global variables except for
2216 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2218 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2219 of the correct signedness is returned.
2221 2006-05-02 Jeff Law <law@redhat.com>
2223 PR tree-optimization/27364
2224 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2225 multiply expressions.
2227 2006-05-02 Tom Tromey <tromey@redhat.com>
2229 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2231 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2234 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2235 -mthumb -fPIC are used.
2237 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2238 Joshua Kinard <kumba@gentoo.org>
2241 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2242 with 64-bit pointers.
2244 2006-05-02 Paul Brook <paul@codesourcery.com>
2246 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2248 (create_fix_barrier): Check that a suitable barrier location is
2250 (arm_reorg): Include ftmp->address in allowable range of addresses.
2252 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2255 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2258 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2261 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2262 around RESULT_DECL for result passed by reference.
2263 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2264 * omp-low.c (use_pointer_for_field): Don't look at
2265 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2266 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2267 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2268 time or var for passing by reference for
2269 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2270 TREE_ADDRESSABLE variables when passing by reference.
2272 * omp-low.c (dump_omp_region): Fix output formatting.
2275 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2276 (expand_omp_parallel): Likewise.
2277 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2280 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2281 on statement list containing also constructors and destructors.
2282 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2285 * except.c (duplicate_eh_regions): Fix clearing of
2286 cfun->eh->region_array entries.
2288 2006-05-01 DJ Delorie <dj@redhat.com>
2290 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2292 (gcc_cv_objdump): Likewise.
2293 * configure: Regenerated.
2295 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2298 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2299 templates for case 3 and 4.
2301 2006-05-01 DJ Delorie <dj@redhat.com>
2303 * vec.c: Include bconfig.h when appropriate.
2304 * Makefile.in (build/vec.o): Adjust dependencies.
2305 * mkconfig.sh: Make sure config.h isn't used for build machine
2308 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2310 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2312 (mark_phi_for_rewrite): New function.
2313 (insert_phi_nodes_for, mark_use_interesting): Call
2314 mark_phi_for_rewrite.
2315 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2316 (update_ssa): Initialize and free phis_to_rewrite.
2318 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2320 PR rtl-optimization/27291
2321 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2322 folded to a constant.
2324 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2326 PR tree-optimization/27283
2327 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2328 not whole # of iteration descriptions.
2329 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2330 uses abnormal ssa name.
2331 (niter_for_single_dom_exit): Ditto.
2332 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2333 return just the number of iterations.
2335 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2337 PR tree-optimization/27144
2338 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2339 (record_estimate): Only record constant upper bound.
2340 (infer_loop_bounds_from_undefined): Call
2341 compute_estimated_nb_iterations just once.
2342 (proved_non_wrapping_p): Renamed to ...
2343 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2344 (convert_step_widening, scev_probably_wraps_p): Call
2345 n_of_executions_at_most instead of proved_non_wrapping_p.
2346 (substitute_in_loop_info): Do not replace values in bounds.
2347 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2350 2006-05-01 Richard Henderson <rth@redhat.com>
2353 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2354 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2357 2006-05-01 Roger Sayle <roger@eyesopen.com>
2359 * c-typeck.c (parser_build_binary_op): Don't call the function
2360 unsigned_conversion_warning to spot operand/result type overflow.
2361 (build_binary_op): Instead, call convert_and_check instead of
2362 convert to report the problem when the operands are promoted.
2363 * c-common.c (unsigned_conversion_warning): Make static.
2364 * c-common.h (unsigned_conversion_warning): Delete prototype.
2366 2006-05-01 Richard Guenther <rguenther@suse.de>
2368 PR tree-optimization/26726
2369 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2371 (find_interesting_uses_address): ... we work around here
2372 by folding INDIRECT_REFs in the substituted base.
2374 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2376 * omp-low.c (dump_omp_region): Add newlines.
2378 2006-04-30 Roger Sayle <roger@eyesopen.com>
2380 * common.opt (Woverflow): New command line option.
2381 * c-common.c (constant_expression_warning): Check warn_overflow.
2382 (overflow_waring): Pass OPT_Woverflow to warning.
2383 (unsigned_conversion_warning): Likewise.
2384 (convert_and_check): Likewise.
2385 * doc/invoke.texi: Document new command line option.
2387 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2389 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2390 TARGET_NO_FP_IN_TOC for section anchors.
2391 (optimization_options): Enable section anchors for all
2392 non-"Objective" languages.
2394 2006-04-28 Eric Christopher <echristo@apple.com>
2396 * config/darwin-c.c (darwin_ms_struct): Move this
2397 (darwin_set_default_type_attributes): and this...
2398 * config/darwin.c: ... here.
2399 * config/darwin.h (darwin_ms_struct): Declare.
2401 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2403 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2405 2006-04-28 Roger Sayle <roger@eyesopen.com>
2408 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2409 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2410 an unsigned HOST_WIDE_INT.
2411 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2413 (really_start_incremental_init): No need to call convert because
2414 bitsize_zero_node is already of type bitsizetype.
2415 (push_init_level): Extract the value of constructor_index as an
2416 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2417 (process_init_element): Likewise.
2419 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2421 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2422 value before passing to make_relative_prefix.
2424 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2427 * builtins.c (expand_builtin_memset): Expand val in original mode.
2429 2006-04-27 Eric Christopher <echristo@apple.com>
2431 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2432 with #ifndef/#endif.
2433 * config/darwin-c.c (darwin_ms_struct): New.
2434 (darwin_pragma_ms_struct): Ditto.
2435 (darwin_set_default_type_attributes): Ditto.
2436 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2437 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2438 Register ms_struct pragma.
2439 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2440 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2441 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2442 darwin_set_default_type_attributes if TARGET_MACHO.
2444 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2446 PR tree-optimization/26854
2447 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2448 * doc/tree-ssa.texi: Update immuse iterator documentation.
2449 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2450 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2451 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2452 first_safe_imm_use, next_safe_imm_use): Remove.
2453 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2454 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2455 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2456 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2457 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2458 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2459 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2460 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2461 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2462 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2463 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2464 (perfect_nestify): Use new iterator.
2465 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2467 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2468 (next_imm_name): New field in struct immediate_use_iterator_d.
2469 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2470 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2471 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2472 * tree-cfg.c (replace_uses_by): Use new iterator.
2473 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2474 * tree-ssa-operands.c (correct_use_link): Remove.
2475 (finalize_ssa_use_ops): No longer call correct_use_link.
2477 2006-04-27 Stuart Hastings <stuart@apple.com>
2479 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2480 * config/t-darwin (crt3.o): Use it.
2481 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2482 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2483 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2484 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2485 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2488 2006-04-27 Roger Sayle <roger@eyesopen.com>
2490 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2491 size, force the intermediate into a new pseudo rather instead of
2492 performing both a bitwise AND and a bitwise IOR in memory.
2494 2006-04-27 Richard Guenther <rguenther@suse.de>
2496 PR rtl-optimization/26685
2497 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2498 this one "max-flow-memory-locations".
2500 2006-04-27 Richard Guenther <rguenther@suse.de>
2502 PR tree-optimization/25148
2503 * tree-vrp.c (compare_values): Remove code dealing with
2504 comparisons against type min/max value. Honour overflow
2505 and negative constants in code dealing with comparisons
2506 of plus and minus expressions.
2507 (value_inside_range): Use fold_binary with LE_EXPR and
2508 GE_EXPR rather than compare_values.
2510 2006-04-27 Dirk Mueller <dmueller@suse.de>
2512 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2515 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2517 * basic-block.h (safe_insert_insn_on_edge): Removed.
2518 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2520 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2521 Paolo Bonzini <bonzini@gnu.org>
2524 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2525 (simplify_and_const_int): Same.
2527 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2529 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2531 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2534 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2535 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2536 cgraph_global_info_ready.
2539 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2542 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2543 either decl or init is error_mark_node.
2546 * tree-flow.h (struct omp_region): Add sched_kind.
2547 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2548 instead of extracting omp for data.
2549 (expand_omp_for): Save extracted sched_kind.
2551 2006-04-25 Roger Sayle <roger@eyesopen.com>
2553 * expmed.c (store_bit_field): Also check whether the bitsize is
2554 valid for the machine's "insv" instruction before moving the
2555 target into a pseudo for use with the insv.
2556 * config/i386/predicates.md (const8_operand): New predicate.
2557 * config/i386/i386.md (extv, extzv, insv): Use the new
2558 const8_operand predicate where appropriate.
2560 2006-04-25 DJ Delorie <dj@redhat.com>
2562 * doc/install.texi (Specific): Clarify that this is not a list of
2563 supported hosts or targets.
2565 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2567 PR rtl-optimization/26725
2568 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2569 block's BB_DIRTY flag.
2571 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2573 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2576 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2577 to print an integer.
2579 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2581 * varasm.c (align_variable): New function.
2582 (get_block_for_decl): Apply align_variable to DECL before
2583 calculating section information.
2584 (assemble_variable): Split out alignment computation.
2586 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2588 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2591 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2593 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2594 MODE_PARTIAL_INT mode.
2595 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2596 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2598 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2599 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2601 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2603 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2605 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2606 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2607 MACFLAG_IH): Likewise.
2608 (movstricthi_1): Renamed from "*movstricthi".
2609 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2610 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2611 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2612 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2613 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2614 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2615 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2616 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2617 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2618 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2619 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2620 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2621 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2622 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2623 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2625 * doc/rtl.texi (ss_ashift): Improve wording.
2627 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2629 * dwarf2out.c (verify_marks_clear): New.
2630 (prune_unused_types): Call verify_marks_clear initially, not
2633 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2635 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2636 * doc/rtl.texi: Document them.
2637 * simplify-rtx.c (simplify_unary_operation,
2638 simplify_binary_operation_1): Don't abort when we see them.
2640 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2643 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2644 * configure.ac: Completely disregard languages that are not
2646 * configure: Regenerated.
2648 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2649 Richard Guenther <rguenther@suse.de>
2651 PR tree-optimization/27236
2652 * tree-inline.c (copy_body_r): Make sure to copy
2653 TREE_THIS_VOLATILE flag.
2655 2006-04-24 Richard Guenther <rguenther@suse.de>
2658 * tree-complex.c (update_parameter_components): Don't handle
2659 unused parameters which have no default def.
2661 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2662 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/27218
2665 * tree-inline.c (expand_call_inline): Strip useless type
2666 conversions for the return slot address.
2668 2006-04-24 Richard Guenther <rguenther@suse.de>
2670 * cfgloop.h (struct loops): Remove unused field array. Reorder
2672 (LOOP_PREFETCH): Remove.
2674 2006-04-24 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/22525
2677 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2678 variable, adjust types of generated expressions.
2680 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2682 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2683 (tree-vect-patterns.o): Likewise.
2685 (cselib.o): Likewise.
2686 (loop-doloop.o): Likewise.
2687 (regclass.o): Likewise.
2688 (reload1.o): Likewise.
2689 (explow.o): Replace target.h with $(TARGET_H).
2690 (ipa-prop.o): Likewise.
2691 (ipa-cp.o): Likewise.
2692 (ipa-inline.o): Likewise.
2693 (reorg.o): Likewise.
2694 (reg-stack.o): Likewise.
2696 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2698 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2700 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2702 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2704 * configure.ac: Completely disregard languages that are not
2706 * configure: Regenerated.
2709 * c-common.h (c_build_bitfield_integer_type): Declare.
2710 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2711 * c-common.c (c_build_bitfield_integer_type): ... here.
2713 2006-04-23 Roger Sayle <roger@eyesopen.com>
2716 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2717 a SImode SUBREG of a floating point register after no_new_pseudos.
2719 2006-04-23 Roger Sayle <roger@eyesopen.com>
2721 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2722 identify potentially eliminable registers to additionally catch
2723 VIRTUAL_INCOMING_ARGS_REGNUM.
2724 (addsi3): Update the conditions on when to use addsi_small_int.
2726 2006-04-23 Roger Sayle <roger@eyesopen.com>
2729 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2730 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2731 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2733 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2735 * fold-const.c (range_predecessor): Use operand_equal_p
2736 as the predicate for equality.
2737 (range_successor): Likewise.
2739 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2742 * config/soft-fp/op-common.h: Fix a typo.
2744 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2747 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2748 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2750 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2752 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2754 * doc/tm.texi: Fix a typo.
2756 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2758 * dwarf2out.c (struct die_struct): Document that die_sib makes
2759 a circular linked list.
2760 (FOR_EACH_CHILD): New.
2761 (reverse_die_lists): Delete.
2762 (reverse_all_dies): Delete.
2763 (add_dwarf_attr): Correct documentation.
2764 (remove_child_with_prev): New.
2765 (remove_child_TAG): Update for change to die_struct, use
2766 remove_child_with_prev.
2767 (add_child_die): Update for change to die_struct.
2768 (splice_child_die): Use remove_child_with_prev and add_child_die.
2769 (print_die): Use FOR_EACH_CHILD.
2770 (die_checksum): Likewise.
2771 (assign_symbol_names): Likewise.
2772 (output_location_lists): Likewise.
2773 (build_abbrev_table): Likewise.
2774 (calc_die_sizes): Likewise.
2775 (mark_dies): Likewise.
2776 (unmark_dies): Likewise.
2777 (unmark_all_dies): Likewise.
2778 (output_die): Likewise.
2779 (prune_unused_types_mark): Likewise.
2780 (prune_unused_types_walk): Likewise.
2781 (same_die_p): Update for change to die_struct.
2782 (break_out_includes): Likewise.
2783 (prune_unused_types_prune): Likewise.
2784 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2785 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2787 (dwarf2out_finish): Don't call reverse_all_dies.
2789 2006-04-21 Eric Christopher <echristo@apple.com>
2791 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2792 in comments and function names.
2794 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2797 * c-typeck.c (digest_init): Robustify.
2799 * c-typeck.c (pop_init_level): Simplify.
2801 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2803 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2805 2006-04-21 Paul Brook <paul@codesourcery.com>
2807 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2808 hardware floating point.
2810 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2812 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2815 2006-04-21 Nick Clifton <nickc@redhat.com>
2817 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2820 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2823 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2824 C++ lang type in traceback table for Objective-C++.
2826 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2828 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2830 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2832 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2835 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2836 were errors. Remove check for erroneous objects.
2838 2006-04-20 Jeff Law <law@redhat.com>
2840 PR tree-optimization/26854
2841 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2842 checking for zero or one use.
2843 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2844 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2845 * tree-ssa-reassoc.c (negate_value): Similarly.
2846 (reassociate_bb): Similarly.
2848 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2850 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2851 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2852 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2854 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2856 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2857 fp regs if the last fp arg doesn't fit in regs.
2859 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2862 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2863 that the last insn has the REG_INC note.
2865 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2866 Nathan Sidwell <nathan@codesourcery.com>
2869 * stor-layout.c (update_alignment_for_field): Do not align
2871 (place_union_field): Place union field at the start of the union.
2872 (place_field): Move ERROR_MARK check later, and use the current
2873 allocation position to maintain monotonicity.
2875 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2877 * dominance.c: Include timevar.h.
2878 (calculate_dominance_info): Use TV_DOMINANCE.
2879 * timevar.def (TV_DOMINANCE): New timevar.
2880 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2882 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2884 PR rtl-optimization/14261
2885 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2886 move would be an INSV insn.
2887 (noce_process_if_block): Don't optimize if the destination is a
2888 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2890 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2892 * config/s390/s390.md: Add comments with the instructions emitted
2893 by an insn pattern if macros are used.
2895 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2897 PR rtl-optimization/26026
2898 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2899 is a known power of two shifted left a variable amount.
2901 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2903 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2904 to hash table twice when the debug_str section has SECTION_MERGE.
2906 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2908 * config/soft-fp: New directory. From glibc.
2909 * config/soft-fp/t-softfp: New.
2910 * config/soft-fp/README: New.
2911 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2912 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2913 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2914 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2915 * config.gcc: Use rs6000/t-fprules-fpbit or
2916 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2918 * config/rs6000/sfp-machine.h: New. Based on glibc.
2919 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2921 * config/rs6000/t-fprules: Remove fp-bit rules.
2922 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2923 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2924 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2925 (softfp_wrap_start, softfp_wrap_end): New.
2927 2006-04-18 DJ Delorie <dj@redhat.com>
2929 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2931 2006-04-18 Devang Patel <dpatel@apple.com>
2933 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2935 2006-04-18 Nick Clifton <nickc@redhat.com>
2937 * config/sh/t-symbian: Add rule to build sh-c.o
2938 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2939 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2940 (sh_symbian_encode_section_info): Likewise.
2942 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2944 * builtins.c (expand_builtin_strcmp): Cover label definition of
2945 do_libcall with HAVE_cmpstrnsi.
2947 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2949 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2951 * function.h (temp_slot_p): New.
2952 (function): Change the type of x_used_temp_slots to
2953 VEC(temp_slot_p,gc) *.
2955 2006-04-18 Nick Clifton <nickc@redhat.com>
2957 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2958 flag_strength_reduce.
2960 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2962 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2966 Partial revert of revision 112637
2967 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2968 Dale Johannesen <dalej@apple.com>
2971 * regclass.c (struct reg_pref): Update documentation.
2972 (regclass): Set prefclass to NO_REGS if memory is the best option.
2973 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2975 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2977 PR tree-optimization/26821
2978 * tree-ssa-math-opts.c (get_constant_one): New.
2979 (insert_reciprocals): Use it.
2981 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2983 * dwarf2out.c (free_AT): Delete.
2984 (remove_AT): Update string ref counts.
2985 (remove_child_TAG): Don't call free_die.
2987 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2988 or DW_TAG_GNU_EINCL.
2989 (prune_unused_types_walk_attribs): Reset string refcounts.
2990 (prune_unused_types_update_strings): New.
2991 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2992 call free_die. Do call prune_unused_types_update_strings.
2993 (prune_unused_types): Empty debug_str_hash.
2995 2006-04-17 Roger Sayle <roger@eyesopen.com>
2997 * expr.c (expand_assignment): Optimize away no-op moves where the
2998 source and destination are equal and have no side-effects.
3000 2006-04-17 Richard Guenther <rguenther@suse.de>
3003 * reload.c (push_reload): Guard calls to get_secondary_mem
3006 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3008 * alias.c (reg_base_value, old_reg_base_value): Change the
3009 type to VEC(rtx,gc) *.
3010 (REG_BASE_VALUE, find_base_value, record_set,
3011 init_alias_analysis): Use VEC instead of VARRAY.
3013 * alias.c (alias_sets): Change the type to
3014 VEC(alias_set_entry,gc) *.
3015 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3016 VEC instead of VARRAY.
3017 (last_alias_set): Remove.
3019 * cgraph.h (cgraph_edge_p): New.
3020 Update the prototype of cgraph_function_versioning.
3021 * cgraphunit.c (cgraph_copy_node_for_versioning,
3022 cgraph_function_versioning): Use VEC instead of VARRAY.
3023 * ipa-cp.c (ipcp_insert_stage): Likewise.
3025 2006-04-16 Roger Sayle <roger@eyesopen.com>
3028 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3029 "A op B" or "A op C", we may need to convert A to the type of B and C.
3031 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3033 * target.h (struct gcc_target): Add mode_rep_extended.
3034 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3035 (init_num_sign_bit_copies_in_rep): Initialize it using
3037 (truncate_to_mode): Use it.
3038 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3039 * targhooks.h (default_mode_rep_extended): Declare it.
3040 * targhooks.c (default_mode_rep_extended): Define it.
3041 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3042 default_mode_rep_extended.
3043 (TARGET_INITIALIZER): Include it.
3044 * doc/tm.texi (Misc): Document it.
3045 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3046 (mips_truncated_to_mode): New function.
3048 2006-04-16 Roger Sayle <roger@eyesopen.com>
3051 * expr.c (compress_float_constant): Copy the narrow constant into
3052 a new pseudo before extending it to its final width.
3054 2006-04-16 Roger Sayle <roger@eyesopen.com>
3055 Andrew Pinski <pinskia@gcc.gnu.org>
3056 Dale Johannesen <dalej@apple.com>
3059 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3060 special case code to implement V8HImode and V16QImode with SSE2.
3062 2006-04-15 Roger Sayle <roger@eyesopen.com>
3064 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3065 trees are constructed with a suitable tree type.
3067 2006-04-15 Roger Sayle <roger@eyesopen.com>
3069 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3070 (integer_onep): Likewise.
3071 (integer_all_onesp): Likewise.
3072 (integer_pow2p): Likewise.
3073 (integer_nonzerop): Likewise.
3074 (real_zerop): Likewise.
3075 (real_onep): Likewise.
3076 (real_twop): Likewise.
3077 (real_minus_onep): Likewise.
3078 (int_size_in_bytes): Likewise.
3079 (host_integerp): Likewise.
3081 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3083 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3084 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3085 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3087 * tree-ssa-structalias.h (alias_info): Remove num_references.
3089 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3091 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3092 (output_bvb patterns): Likewise.
3093 * pa.c (output_bb): Use 'bb' insn for long branch case.
3094 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3095 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3096 1. Correct length operand for alternatives 1 and 2.
3097 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3098 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3100 2006-04-14 Roger Sayle <roger@eyesopen.com>
3102 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3103 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3104 were accidentally reverted by r112959.
3106 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3109 * except.h (eh_region_outermost): New prototype.
3110 * except.c (eh_region_outermost): New function.
3111 * tree-cfg.c (find_outermost_region_in_block): Use it.
3113 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3115 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3117 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3118 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3119 (init_reload, reload): Use VEC instead of VARRAY.
3120 * reload.h: Update the prototype for
3121 reg_equiv_memory_loc_varray.
3123 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3124 Eric Botcazou <ebotcazou@libertysurf.fr>
3126 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3129 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3132 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3133 to expand fallback builtin function call.
3135 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3138 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3139 and emit libcall here in case the builtin fails.
3140 (expand_builtin_strcmp): Always emit the libcall here on failure.
3142 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3144 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3145 * flow.c (reg_n_info): Change the type to
3146 VEC(reg_info_p,heap) *.
3147 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3149 * regs.h (reg_info_p): New.
3150 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3151 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3152 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3155 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3157 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3159 * params.h (MAX_SCHED_READY_INSNS): New macro.
3160 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3161 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3162 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3163 the ready list for 1 cycle during the first scheduling pass.
3164 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3166 2006-04-13 Richard Henderson <rth@redhat.com>
3169 * gimple-low.c (lower_omp_directive): Remove dead code.
3170 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3171 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3172 * omp-low.c (struct omp_region): Move to tree-flow.h.
3173 (root_omp_region): Export.
3174 (omp_regions, lookup_omp_region): Remove.
3175 (determine_parallel_type): Update for struct omp_region changes.
3176 (dump_omp_region): Dump regions with block numbers.
3177 (new_omp_region): Take type and block instead of stmt; malloc
3179 (free_omp_region_1, free_omp_regions): New.
3180 (expand_parallel_call): Take entry_stmt as argument; update for
3181 changes to omp_region.
3182 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3183 (remove_exit_barriers): New.
3184 (expand_omp_parallel): Update for struct omp_region changes.
3185 (expand_omp_synch): Likewise.
3186 (expand_omp): Likewise.
3187 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3188 (expand_omp_for_static_chunk): Likewise.
3189 (expand_omp_for): Likewise.
3190 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3191 (expand_omp_sections): Similarly, with GOMP_sections_end.
3192 (expand_omp_single): New.
3193 (build_omp_regions_1): Update for OMP_CONTINUE.
3194 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3195 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3196 OMP_SECTIONS_SECTIONS.
3197 (lower_omp_single_simple): Don't emit barrier here.
3198 (lower_omp_single_copy): Likewise.
3199 (lower_omp_single): Fix bindings, and lower to straightline now.
3200 (lower_omp_master, lower_omp_ordered): Likewise.
3201 (lower_omp_critical): Likewise.
3202 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3203 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3204 omp edges, free it afterward.
3205 (make_omp_sections_edges): Remove.
3206 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3207 (move_stmt_r): Handle OMP_CONTINUE.
3208 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3209 statement pointers to basic blocks. Add type member.
3210 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3211 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3212 * tree-inline.c (estimate_num_insns_1): Likewise.
3213 * tree-pretty-print.c (dump_generic_node): Likewise.
3214 * tree-ssa-operands.c (get_expr_operands): Likewise.
3215 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3216 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3217 (OMP_CONTINUE): New.
3218 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3219 (OMP_SECTIONS_SECTIONS): Remove.
3220 (OMP_SECTION_LAST): New.
3221 (OMP_RETURN_NOWAIT): New.
3223 2006-04-13 Roger Sayle <roger@eyesopen.com>
3225 * fold-const.c (native_encode_vector, native_interpret_real):
3226 Correct obvious mistakes in the previous check-in.
3228 2006-04-13 Roger Sayle <roger@eyesopen.com>
3230 * fold-const.c (native_encode_expr): New function to encode
3231 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3232 or VECTOR_CST into a specified buffer.
3233 (native_encode_int): New function.
3234 (native_encode_real): New function.
3235 (native_encode_complex): New function.
3236 (native_encode_vector): New function.
3237 (native_interpret_expr): Inverse of native_encode_expr to convert
3238 a target representation into an INTEGER_CST, REAL_CST etc...
3239 (native_interpret_int): New function.
3240 (native_interpret_real): New function.
3241 (native_interpret_complex): New function.
3242 (native_interpret_vector): New function.
3243 (fold_view_convert_expr): New function to constant fold/evaluate
3244 a VIEW_CONVERT_EXPR of a suitable constant expression.
3245 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3246 Change call of build1 to fold_build1 when constructing a
3249 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3250 Ulrich Weigand <uweigand@de.ibm.com>
3253 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3256 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3259 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3260 optimize to lo_sum for DFmode if !TARGET_FPRS.
3262 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3264 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3265 delete_alias_info, compute_flow_sensitive_aliasing,
3266 group_aliases): Use VEC instead of VARRAY.
3267 * tree-ssa-structalias.c (update_alias_info): Likewise.
3268 * tree-ssa-structalias.h (alias_info): Change the type of
3269 processed_ptrs to VEC(tree,heap) *.
3271 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3274 * config/sh/lib1funcs.h: New file, broken out of:
3275 * config/sh/lib1funcs.asm.
3276 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3278 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3279 * config/sh/lib1funcs-Os-4-200.asm: New file.
3280 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3281 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3282 (EXTRA_MULTILIB_PARTS): Include it.
3283 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3284 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3285 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3286 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3289 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3291 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3292 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3293 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3295 * tree-ssa-live.h: Include vecprim.h.
3296 (tree_partition_associator_d): Change the type of
3297 first_partition to VEC(int,heap) *.
3298 (tpa_first_partition): Use VEC instead of VARRAY.
3300 * Makefile.in (GTFILES): Move functions.h after tree.h.
3301 * function.c (reset_block_changes, record_block_change,
3302 check_block_change, free_block_changes): Use VEC instead of
3304 * function.h (function): Change the type of
3305 ib_boundaries_block to VEC(tree,gc) *.
3306 * tree-inline.c (copy_cfg_body): Initialize
3307 ib_boundaries_block to NULL instead of (varray_type) 0.
3309 2006-04-12 Roger Sayle <roger@eyesopen.com>
3311 * expr.c (emit_group_store): Correct operand order in call to
3312 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3313 a SUBREG_BYTE of zero.
3315 2006-04-12 Richard Guenther <rguenther@suse.de>
3317 * profile.c (compute_branch_probabilities): Remove code
3318 encapsulated in !ir_type (), which are remanents of the
3319 removed RTL profiling code.
3320 * rtl-profile.c: Remove.
3322 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3324 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3325 magic NULL_RTX comment.
3326 (function_arg): Store entire fp arg to mem if any part should go
3328 (rs6000_arg_partial_bytes): Adjust for above change.
3330 2006-04-11 Roger Sayle <roger@eyesopen.com>
3332 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3333 if it hasn't been initialized by dwarf2out_init.
3335 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3337 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3338 symbolic constants in branch patterns.
3340 2006-04-11 Roger Sayle <roger@eyesopen.com>
3342 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3344 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3346 PR rtl-optimization/27073
3347 * gcse.c (try_replace_reg): Revert last change. Continue to search
3348 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3351 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3353 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3354 aggregate types other than record and union types.
3355 (function_arg): Likewise.
3356 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3358 (function_value): In 64-bit mode, return objects that require it
3361 2006-04-11 Roger Sayle <roger@eyesopen.com>
3363 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3365 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3367 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3369 2006-04-03 Jeff Law <law@redhat.com>
3372 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3373 alias information too.
3375 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3377 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3379 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3382 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3383 (premark_used_types_helper): New.
3384 (premark_used_types): New.
3385 (gen_subprogram_die): Call premark_used_types.
3386 (prune_unused_types_walk): Do not prune perennial dies.
3387 * function.c (used_types_insert): New.
3388 * function.h (struct function): Add used_types_hash field.
3389 (used_types_insert): Add prototype.
3390 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3391 * c-parser.c (c_parser_cast_expression): Save casted types in used
3394 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3397 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3398 rs6000_explicit_options.float_gprs.
3400 2006-04-10 Roger Sayle <roger@eyesopen.com>
3402 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3403 from ix86_expand_vector_init_low_nonzero. Take an additional
3404 one_var argument indicating which element is non-zero. Support
3405 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3406 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3407 with one_var instead of ix86_expand_vector_init_low_nonzero.
3409 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3411 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3412 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3413 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3414 build/genextract.o): Depend on vecprim.h.
3415 * cfglayout.c, df-problems.c, function.c, genextract.c,
3416 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3417 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3421 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3423 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3424 Declare VECs of this type.
3425 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3426 (remove_children): Delete.
3427 (add_dwarf_attr): Use VEC routines.
3428 (add_AT_flag): Update for changes to add_dwarf_attr.
3429 (add_AT_int): Likewise.
3430 (add_AT_unsigned): Likewise.
3431 (add_AT_long_long): Likewise.
3432 (add_AT_vec): Likewise.
3433 (add_AT_string): Likewise.
3434 (add_AT_die_ref): Likewise.
3435 (add_AT_fde_ref): Likewise.
3436 (add_AT_loc): Likewise.
3437 (add_AT_loc_list): Likewise.
3438 (add_AT_addr): Likewise.
3439 (add_AT_lbl_id): Likewise.
3440 (add_AT_lineptr): Likewise.
3441 (add_AT_macptr): Likewise.
3442 (add_AT_offset): Likewise.
3443 (add_AT_range_list): Likewise.
3444 (get_AT): Use VEC_iterate.
3445 (remove_AT): Use VEC_ordered_remove.
3446 (free_die): Fold remove_children into here; have it use VEC_iterate.
3447 (print_die): Use VEC_iterate on attrs.
3448 (reverse_die_lists): Don't reverse attr lists.
3449 (die_checksum): Use VEC_iterate on attrs.
3450 (same_die_p): Likewise.
3451 (output_location_lists): Likewise.
3452 (build_abbrev_table): Likewise.
3453 (size_of_die): Likewise.
3454 (unmark_all_dies): Likewise.
3455 (output_abbrev_section): Likewise.
3456 (output_die): Likewise.
3457 (prune_unused_types_walk_attribs): Likewise.
3459 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3461 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3463 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3466 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3468 2006-04-09 Roger Sayle <roger@eyesopen.com>
3470 * expr.c (store_constructor): Don't bother clearing target if
3471 we're about to assign a vector to it using vec_init_optab.
3473 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3475 * tree-ssa-alias.c (lhs_may_store_to): New function.
3476 (recalculate_used_alone): Handle LHS of calls.
3478 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3482 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3483 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3484 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3485 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3486 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3487 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3488 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3489 stubs. Add ".align 8" directives before all ".dword" directives.
3490 (GTHREAD_USE_WEAK): Revise comment.
3491 (TARGET_ATTRIBUTE_WEAK): Define.
3492 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3493 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3494 * stublib.c: New file.
3499 * pa.md (cbranch patterns): Revise arguments used in calls to
3500 output_cbranch, output_bb and output_bvd. Add long branch length
3502 (fbranch patterns): Handle long branches.
3503 (jump): Revise length check. Revise arguments for output_lbranch call.
3504 Add long branch length attributes.
3505 (decrement_and_branch_until_zero): Add long branch length attributes.
3506 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3507 Likewise. Revise arguments for output_parallel_addb and
3508 output_parallel_movb calls.
3509 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3510 output_parallel_movb and output_parallel_addb): Update prototypes.
3511 * pa.c (output_cbranch): Revise arguments. Correct handling of
3512 nullification in long branches.
3513 (output_lbranch): Add new argument to control extraction of delay
3515 (output_bb): Handle long branches.
3516 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3517 output_parallel_addb): Likewise.
3519 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3521 PR rtl-optimization/27073
3522 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3525 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3527 * tree.h (tree_memory_tag): Add old_used_alone.
3528 (SMT_OLD_USED_ALONE): New macro.
3529 * tree-ssa-alias.c (recalculate_used_alone): Stop
3530 marking things for renaming unnecessarily.
3532 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3534 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3535 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3536 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3537 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3538 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3539 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3540 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3541 spelling convensions.
3542 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3543 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3544 typos. Follow spelling conventions.
3546 2006-04-07 DJ Delorie <dj@redhat.com>
3548 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3549 passed on the stack.
3550 (m32c_init_cumulative_args): When a function returns a structure,
3551 always pass the pointer to that return area on the stack.
3552 (m32c_function_arg_advance): Don't increment the parameter number
3553 if we're processing the returned structure pointer.
3554 (pushm_info): Reverse order of registers.
3556 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3558 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3559 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3560 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3561 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3563 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3564 chrec_fold_multiply): Same.
3565 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3566 force_expr_to_var_cost): Same.
3567 * tree-mudflap.c (mf_xform_derefs_1): Same.
3568 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3570 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3572 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3573 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3576 2006-04-07 Jan Hubicka <jh@suse.cz>
3578 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3580 2006-04-07 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/26135
3583 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3584 loads for store copy-prop.
3585 (copy_prop_visit_stmt): Likewise.
3587 2006-04-05 Robert Millan <robertmh@gnu.org>
3589 * config/i386/linux.h: Add a comment to mark macros that are
3590 being overriden in config/k*bsd-gnu.h.
3591 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3593 * config/knetbsd-gnu.h: Ditto.
3595 2006-04-06 Jan Hubicka <jh@suse.cz>
3599 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3602 2006-04-06 Mike Stump <mrs@apple.com>
3604 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3605 for HAVE_nonlocal_goto to be consistent.
3606 (expand_builtin_nonlocal_goto): Likewise.
3607 (expand_builtin_strcmp): Use #ifdef instead of #if
3608 for HAVE_cmpstrnsi to be consistent.
3610 2006-04-05 DJ Delorie <dj@redhat.com>
3612 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3615 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3617 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3618 got-relative addressing for anything but SImode.
3620 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3621 even if the calling function doesn't modify them.
3623 2006-04-05 Richard Guenther <rguenther@suse.de>
3625 PR tree-optimization/26919
3626 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3627 to cgraph_estimate_size_after_inlining.
3629 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3631 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3633 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3635 PR tree-optimization/26996
3636 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3637 VECTOR_TYPE variables.
3639 2006-04-05 Richard Guenther <rguenther@suse.de>
3641 PR tree-optimization/26763
3642 * fold-const.c (fold_comparison): Move folding of
3643 PTR + CST CMP PTR + CST ...
3644 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3646 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3648 * doc/install.texi (Prerequisites): Refine some wording on
3649 bootstrapping and ksh.
3650 Move the version numbers of DejaGnu here from the testing section
3651 and fix casing of names.
3652 Fix markup and clarify wording for autogen requirements.
3653 Refer to GCJ instead of just java.
3654 Refer to SVN instead of CVS.
3655 Describe diffutils as useful instead of necessary.
3656 (Downloading the source): Refer to SVN instead of CVS.
3657 Adjust a link to our web site accordingly.
3658 (Configuration): Fix casing of Bison.
3659 (Building): Refer to SVN instead of CVS.
3660 Fix a sentence on the use of Bison and remove duplicate (and
3661 incorrect) version number of Bison requirement.
3662 Remove one redundant list of packages needed for building.
3663 (Specific): Avoid reference to CVS.
3665 2006-04-04 Eric Christopher <echristo@apple.com>
3667 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3668 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3669 (rs6000_handle_struct_attribute): New.
3670 (rs6000_ms_bitfield_layout_p): Ditto.
3672 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3674 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3675 NULL for dso parameter to atexit_common.
3677 2006-04-04 Eric Christopher <echristo@apple.com>
3679 * config/i386/i386.c (machopic_output_stub): Output \t
3680 between instructions and operands.
3682 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3684 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3685 satisfies_constraint_[IL] to explicit tests on value.
3687 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3689 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3690 set_nb_iterations_in_loop): Use build_int_cst instead of
3692 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3693 build_int_cst instead of convert.
3695 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3697 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3698 new value 2 for incoming.
3699 * function.c (expand_function_start): Call struct_value_rtx
3701 * config/sparc/sparc.md: Comment updated_return.
3702 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3703 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3704 struct return if sparc_std_struct_return and incoming is 2.
3705 (print_operand): Do not adjust return if
3706 sparc_std_struct_return.
3708 2006-04-04 Roger Sayle <roger@eyesopen.com>
3710 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3711 convert in the middle-end.
3712 * expr.c (store_expr, store_constructor, get_inner_reference,
3713 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3715 * tree.c (build_range_type): Likewise.
3717 2006-04-04 Tom Tromey <tromey@redhat.com>
3719 * doc/install.texi (Prerequisites): Mention jar.
3721 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3723 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3726 2006-04-04 Matthias Klose <doko@debian.org>
3728 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3729 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3732 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3734 * doc/extend.texi (Function Attributes): Rewrite visibility
3735 attribute documentation.
3736 * doc/invoke.texi (C++ Dialect Options): Rewrite
3737 -fvisibility-inlines-hidden documentation to describe something
3738 entirely different, although in practise compatible.
3739 (Code Gen Options): Warn about system headers in -fvisibility=
3742 * doc/extend.texi (Other Builtins): Document that
3743 __builtin_nan is a compile-time constant only when its argument
3746 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3748 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3749 trying to remove TRUNCATE check if all bits outside the new mode
3750 are identical to the sign bit.
3752 2006-04-03 Jeff Law <law@redhat.com>
3754 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3755 and operand scanning in some common cases.
3757 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3758 Dale Johannesen <dalej@apple.com>
3761 * regclass.c (struct reg_pref): Update documentation.
3762 (regclass): Set prefclass to NO_REGS if memory is the best option.
3763 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3764 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3765 into account. For non-registers, equate an empty preferred
3766 reload class to a `!' in the constraint; move the if clause to
3767 do so after those that reject the insn.
3768 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3770 (find_dummy_reload): Likewise.
3771 * doc/tm.texi (Register Classes): Document what it means
3772 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3773 * config/i386/i386.c (ix86_preferred_reload_class): Force
3774 using SSE registers (and return NO_REGS for floating-point
3775 constants) if math is done with SSE.
3776 (ix86_preferred_output_reload_class): New.
3777 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3778 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3779 * config/i386/i386.md: Remove # register preferences.
3781 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3784 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3785 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3786 the type of nb_iter.
3787 (instantiate_parameters_1): Convert the operands before calling
3788 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3789 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3791 2006-04-02 Roger Sayle <roger@eyesopen.com>
3793 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3794 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3796 * dojump.c (do_jump): Likewise.
3797 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3798 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3799 gimplify_boolean_expr): Likewise.
3800 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3801 * varasm.c (array_size_for_constructor): Likewise.
3802 * tree-object-size.c (compute_object_offset): Likewise.
3804 2006-04-02 Roger Sayle <roger@eyesopen.com>
3807 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3808 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3810 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3812 PR tree-optimization/26939
3813 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3815 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3817 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3818 at_stmt. Convert the type of operands before calling
3819 build_polynomial_chrec.
3820 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3822 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3823 (instantiate_parameters_1): Convert the type of operands before calling
3824 build_polynomial_chrec.
3825 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3826 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3827 reset_evolution_in_loop): Insert asserts to check the types of the
3829 (chrec_type): Moved...
3830 (eq_evolutions_p): Use operand_equal_p.
3831 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3832 the types of the operands.
3833 (chrec_type): ...here.
3834 * tree-data-ref.c (create_data_ref): Convert the operands before
3835 calling chrec_replace_initial_condition.
3836 (same_access_functions, analyze_subscript_affine_affine,
3837 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3838 (compute_subscript_distance, analyze_ziv_subscript,
3839 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3840 analyze_miv_subscript): Convert the operands before calling
3841 chrec_fold_minus or chrec_fold_plus.
3843 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3845 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3846 the dependence_relations vector.
3847 (compute_data_dependences_for_loop): Adjust call to
3848 compute_all_dependences.
3850 2006-04-01 Roger Sayle <roger@eyesopen.com>
3851 Richard Henderson <rth@redhat.com>
3853 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3854 gimple_boolify on the condition before calling gimplify_expr.
3856 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3858 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3859 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3860 the frame size. Update to use the new macros.
3861 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3862 * config/xtensa/ieee754-df.S: Likewise.
3864 2006-03-31 Richard Henderson <rth@redhat.com>
3866 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3867 (make_edges): ... here. Control fallthru creation with a local
3868 variable. Do not play with fake edges.
3869 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3870 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3873 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3875 * dwarf2.h (DW64_CIE_ID): Define.
3876 * dwarf2out.c (DWARF_CIE_ID): Define.
3877 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3878 length header. Use DWARF_CIE_ID.
3879 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3880 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3882 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3884 * config/sh/linux-atomic.asm: New file.
3885 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3887 2006-03-31 DJ Delorie <dj@redhat.com>
3889 * config/m32c/cond.md: Set condition flags properly throughout.
3890 * config/m32c/minmax.md: Likewise.
3891 * config/m32c/prologue.md: Likewise.
3892 * config/m32c/bitops.md: Likewise.
3893 * config/m32c/muldiv.md: Likewise.
3894 * config/m32c/mov.md: Likewise.
3895 * config/m32c/addsub.md: Likewise.
3896 * config/m32c/m32c.md: Likewise.
3897 * config/m32c/jump.md: Likewise.
3898 * config/m32c/shift.md: Likewise.
3900 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3901 conditionally output the pattern for this.
3902 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3903 (m32c_compare_redundant): New.
3904 (m32c_output_compare): New.
3905 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3907 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3908 dest, not src. Allow other 4-byte modes.
3910 2006-03-30 Denis Chertykov <denisc@overta.ru>
3912 * doc/md.texi: Refer to avr/constraints.md instead of
3915 2006-03-30 Roger Sayle <roger@eyesopen.com>
3917 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3918 signed vs. unsigned comparison failures on some hosts.
3920 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3923 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3924 change to FLOAT_REGS.
3926 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3927 (rs6000_override_options): Use it.
3928 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3929 only for -mabi=spe/no-spe and -mabi=altivec.
3931 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3933 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3936 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3938 * Makefile.in: Rename docdir to gcc_docdir.
3940 2006-03-30 Roger Sayle <roger@eyesopen.com>
3943 * expr.c (emit_group_store): Optimize group stores into a pseudo
3944 register by using a paradoxical subreg to initialize the destination
3945 if the first or last member of the group specifies a "low part".
3947 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3950 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3951 * target.h (struct gcc_target.speculate_insn): Change type of the
3952 second parameter to 'int'.
3953 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3954 the second operand of the DEPS_LIST.
3955 (copy_DEPS_LIST_list): Update reference to the second operand of the
3957 * rtl.h (alloc_DEPS_LIST): Update signature.
3958 * sched-int.h (ds_t): Change typedef to 'int'.
3959 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3961 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3963 * haifa-sched.c (try_ready): Change condition to restore
3964 non-speculative pattern of the instruction.
3965 (process_insn_depend_be_in_spec): Code to keep probability of the
3966 speculative dependence non-decreasing.
3968 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3970 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3971 (single_move_for_movmem): ... this. Also change all uses.
3972 (bfin_expand_strmov): Renamed to...
3973 (bfin_expand_movmem): ... this. Also change all uses.
3974 * config/bfin/bfin.md (movstrsi): Renamed to...
3975 (movstrsi): ...this.
3977 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3979 PR tree-optimization/26830
3981 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3982 (copy_prop_visit_stmt): Remove write-only variable ann.
3983 (init_copy_prop): Check variable loop depth here. Do not simulate
3984 memory-tag and virtual operand PHIs except for store copy prop.
3986 2006-03-30 Richard Guenther <rguenther@suse.de>
3988 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3989 variants with double arguments.
3991 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3993 * genpreds.c (write_tm_constrs_h): Delete variable p.
3994 * genconditions.c (write_header): Add tm-constrs.h to included
3996 * genpeep.c (main): Add toplev.h to included headers.
3997 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3998 (build/genpeep.o): Add toplev.h dependency.
3999 * config/rs6000/constraints.md: Add "W" constraint.
4001 2006-03-29 Roger Sayle <roger@eyesopen.com>
4003 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4004 sizes by correctly testing whether the size fits a host integer.
4005 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4006 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4007 SImode range for the default sizetype and bitsizetype.
4009 2006-03-29 Roger Sayle <roger@eyesopen.com>
4011 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4012 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4013 quickly if the argument is already of the correct type.
4014 Call fold_build1 instead of build1. Tidy up blank lines.
4016 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4018 * genemit.c (main): Add tm-constrs.h to included headers.
4019 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4020 * genpeep.c (main): Add tm-constrs.h to included headers.
4021 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4022 (write_tm_constrs_h): this and write complete file.
4023 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4024 (write_insn_preds_c): Add tm-constrs.h to included headers.
4025 (gen_constrs): New variable.
4026 (parse_option): Parse "-c".
4027 (main): Invoke write_tm_constrs_h.
4028 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4029 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4030 (object_out_file): Add tm-constrs.h dependency.
4031 (insn-emit.o): Same.
4032 (insn-output.o): Same.
4033 (insn-peep.o): Same.
4034 (insn-preds.o): Same.
4035 (insn-recog.o): Same.
4036 (tm-constsr.h): New target.
4037 (s-constrs-h): New target.
4039 * config/rs6000/constraints.md: New file.
4040 * config/rs6000/rs6000.c: Include tm-constrs.h.
4041 (num_insn_constant_wide): Convert to satisfies_constraint.
4042 (rs6000_rtx_costs): Convert to satisfies_constraint.
4043 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4044 (CONST_OK_FOR_LETTER_P): Delete.
4045 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4046 (EXTRA_CONSTRAINT): Delete.
4047 (EXTRA_MEMORY_CONSTRAINT): Delete.
4048 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4049 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4050 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4051 satisfies_constraint.
4053 * config/i386/i386.c: Include tm-constrs.h.
4055 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4057 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4058 * tree-data-ref.c (find_data_references_in_loop,
4059 compute_data_dependences_for_loop): Use pointers to VEC.
4060 (analyze_all_data_dependences): Adjust calls.
4061 * tree-data-ref.h (find_data_references_in_loop,
4062 compute_data_dependences_for_loop): Adjust declarations.
4063 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4064 compute_data_dependences_for_loop.
4066 2006-03-29 Paul Brook <paul@codesourcery.com>
4068 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4071 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4073 PR tree-optimization/26859
4074 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4076 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4077 for the step after fold_convert.
4079 2006-03-29 Paul Brook <paul@codesourcery.com>
4081 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4082 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4084 2006-03-29 Paul Brook <paul@codesourcery.com>
4087 * targhooks.c (default_narrow_bitfield): New fuction.
4088 * targhooks.h (default_narrow_bitfield): add prototype.
4089 * target.h (gcc_target): Add narrow_volatile_bitfield.
4090 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4091 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4092 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4093 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4095 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4097 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4099 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4100 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4101 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4102 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4103 (s390_function_arg_float): Allow SDmode and DDmode values to be
4104 passed in floating point registers.
4105 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4106 check with SCALAR_FLOAT_MODE_P.
4107 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4109 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4111 PR tree-optimization/25985
4112 * tree-ssa-loop-niter.c (number_of_iterations_le,
4113 number_of_iterations_ne): Make comments more precise.
4114 (number_of_iterations_cond): Add only_exit argument. Use the
4115 fact that signed variables do not overflow only when only_exit
4117 (loop_only_exit_p): New.
4118 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4119 number_of_iterations_cond.
4121 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4123 PR tree-optimization/26643
4124 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4127 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4129 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4130 (divsi3_i4_int): Likewise.
4132 2006-03-28 Roger Sayle <roger@eyesopen.com>
4134 * expr.c (emit_group_store): Only create a new pseudo reg if the
4135 quantity it needs to hold isn't already a suitable pseudo.
4137 2006-03-28 Jeff Law <law@redhat.com>
4139 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4140 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4142 2006-03-28 Roger Sayle <roger@eyesopen.com>
4144 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4145 the equivalent ~X & Y, and the symmetry related transformations.
4146 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4147 ~X & Y, and symmetry related transforms.
4149 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4151 Revert my 2006-03-27 patches.
4153 2006-03-28 Roger Sayle <roger@eyesopen.com>
4155 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4156 ~(T1)X, when T1 and T2 are integer types of the same precision
4157 and (T2)X isn't an extension.
4159 2006-03-28 Jeff Law <law@redhat.com>
4161 PR tree-optimization/26796
4162 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4163 need EH edge cleanups rather than purging them immediately.
4164 (eliminate_degenerate_phis): Handle queued EH cleanups.
4166 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4168 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4171 2006-03-27 Roger Sayle <roger@eyesopen.com>
4174 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4175 cast BIT_NOT_EXPR operand to the correct type.
4177 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4179 * tree-loop-linear.c: Don't include varray.h.
4180 (gather_interchange_stats, try_interchange_loops,
4181 linear_transform_loops): Use VEC instead of VARRAY.
4182 * lambda-mat.c: Don't include varray.h.
4183 * tree-chrec.c: Same.
4184 * lambda-trans.c: Same.
4185 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4186 VEC instead of VARRAY.
4187 * tree-vectorizer.h: Idem.
4188 * tree-data-ref.c (dump_data_references,
4189 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4190 initialize_data_dependence_relation, finalize_ddr_dependent,
4191 compute_all_dependences, find_data_references_in_loop,
4192 compute_data_dependences_for_loop, analyze_all_data_dependences,
4193 free_dependence_relation, free_dependence_relations,
4194 free_data_refs): Idem.
4195 * tree-data-ref.h (data_reference_p, subscript_p): New.
4196 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4197 VEC instead of VARRAY.
4198 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4199 (find_data_references_in_loop, compute_data_dependences_for_loop,
4200 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4201 dump_data_dependence_relations, free_dependence_relations,
4202 free_data_refs): Adjust declaration.
4203 (lambda_transform_legal_p): Move declaration here...
4204 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4205 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4206 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4207 vect_analyze_data_refs): Use VEC instead of VARRAY.
4208 * lambda.h (lambda_transform_legal_p): ...from here.
4209 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4210 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4211 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4212 tree-chrec.o): Don't depend on VARRAY_H.
4214 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4216 * rtl.def (Copyright): Update date.
4217 (DEPS_LIST): Change type of the second operand to 'int'.
4218 * target.h (Copyright): Update date.
4219 (struct gcc_target.speculate_insn): Change type of the second parameter
4221 * lists.c (Copyright): Update date.
4222 (alloc_DEPS_LIST): Change signature. Update reference to the second
4223 operand of the DEPS_LIST.
4224 (copy_DEPS_LIST_list): Update reference to the second operand of the
4226 * rtl.h (Copyright): Update date.
4227 (alloc_DEPS_LIST): Update signature.
4228 * sched-int.h (Copyright): Update date.
4229 (ds_t): Change typedef to 'int'.
4230 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4232 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4234 * haifa-sched.c (Copyright): Update date.
4235 (try_ready): Change condition to restore non-speculative pattern
4237 (process_insn_depend_be_in_spec): Code to keep probability of the
4238 speculative dependence non-decreasing.
4240 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4242 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4243 shut up the compiler.
4245 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4247 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4248 to use lib prefix for target.
4249 ($(T)libic_invalidate_array_4-200.a): Likewise.
4250 ($(T)libic_invalidate_array_4a.a): Likewise.
4252 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4253 J"orn Rennecke <joern.rennecke@st.com>
4255 * superh.opt: New file.
4256 * sh.c (boardtype, osruntime): Remove.
4257 * superh.h (SUBTARGET_OPTIONS): Remove.
4258 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4260 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4261 arguments with ^ and/or [].
4263 * config.gcc (sh-*-*): Add quoting to account for quirk of
4265 Replace == with = in enable_incomplete_targets test.
4267 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4268 with MASK_LITTLE_ENDIAN.
4270 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4271 * config/sh/sh.opt: Added to some comments.
4272 * config/sh/superh.h: Removed some chaff.
4274 * config/sh/sh.opt: Add m4-[1234]00* options.
4275 * config/sh/sh.c (sh_handle_option): Likewise.
4276 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4277 (ic_invalidate_array_4-100.o): New rule.
4278 ($(T)libic_invalidate_array_4-100.a): Likewise.
4279 (ic_invalidate_array_4-200.o): Likewise.
4280 ($(T)libic_invalidate_array_4-200.a): Likewise.
4281 (ic_invalidate_array_4a.o): Likewise.
4282 ($(T)libic_invalidate_array_4a.a): Likewise.
4283 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4284 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4286 * config/sh/crt1.asm: Merged in profiling code.
4287 * config/sh/superh.h (STARTFILE_SPEC): Override.
4288 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4289 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4290 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4292 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4293 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4294 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4296 * sh.opt (mpretend-cmove): New option.
4297 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4298 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4299 (movsicc): Add TARGET_PRETEND_CMOVE code.
4301 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4303 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4304 s390_class_max_nregs): New function prototypes.
4305 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4306 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4307 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4308 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4310 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4312 * dwarf2out.c (add_location_or_const_value_attribute): Call
4313 tree_add_const_value_attribute if nothing else works.
4314 (reference_to_unused): New.
4315 (rtl_for_decl_init): Use reference_to_unused to decide whether
4316 to output an initializer.
4318 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4321 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4322 peephole removing spe frob_di_df_2.
4324 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4326 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4327 (subscript_dependence_tester_1): Declared.
4328 (print_dir_vectors, print_dist_vectors): New.
4329 (debug_data_dependence_relation): New.
4330 (dump_data_dependence_relation): Print more details.
4331 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4332 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4333 (save_dist_v, save_dir_v, add_outer_distances,
4334 build_classic_dist_vector_1): New.
4335 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4336 Don't test for lambda_vector_lexico_pos.
4337 (same_access_functions, add_multivariate_self_dist,
4338 add_other_self_distances, dir_from_dist): New.
4339 (build_classic_dir_vector): Replace implementation almost identical to
4340 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4342 (subscript_dependence_tester_1): New.
4343 (subscript_dependence_tester): Handle the lexicographically negative
4344 distance vectors by recomputing the dependence relation.
4345 (compute_affine_dependence): Remove parameter loop_nest_depth.
4346 (compute_self_dependence): Don't call compute_subscript_distance.
4347 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4348 Add a parameter for the loop_nest.
4349 (find_loop_nest_1, find_loop_nest): New.
4350 (compute_data_dependences_for_loop): Compute the loop nest, and give
4351 up if the nest is not well formed.
4352 * tree-data-ref.h (loop_p): New.
4353 (struct data_dependence_relation): Replace size_vect field with
4354 loop_nest, a vec of loops.
4355 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4356 (DDR_LOOP_NEST): New.
4357 (print_dir_vectors, print_dist_vectors,
4358 debug_data_dependence_relation): Declared.
4359 (index_in_loop_nest): New.
4360 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4361 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4364 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4366 * simplify-rtx.c (simplify_relational_operation): Call
4367 simplify_relational_operation_1 even if mode is VOIDmode.
4369 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4371 PR tree-optimization/26804
4372 * tree.h (DECL_CALL_CLOBBERED): New macro.
4373 (tree_decl_common): Add call_clobbered_flag.
4374 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4375 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4376 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4377 (mark_non_addressable): Ditto.
4378 * tree-ssa.c (verify_call_clobbered): New function.
4379 (verify_alias_info): Use it.
4380 * tree-pass.h (pass_reset_cc_flags): New prototype.
4381 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4382 (reset_cc_flags): New function.
4383 * passes.c (init_optimization_passes): Call reset_cc_flags after
4384 initializing referenced_vars.
4386 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4387 Roger Sayle <roger@eyesopen.com>
4390 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4391 to 1.0 for non-real operands. Implement A / A optimization for
4394 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4396 * config/i386/i386.c (size_cost): Correct the comment for
4397 cost of storing fp registers.
4398 (i386_cost): Likewise.
4399 (i486_cost): Likewise.
4400 (pentium_cost): Likewise.
4401 (pentiumpro_cost): Likewise.
4402 (k6_cost): Likewise.
4403 (athlon_cost): Likewise.
4404 (k8_cost): Likewise.
4405 (pentium4_cost): Likewise.
4406 (nocona_cost): Likewise.
4407 (generic64_cost): Likewise.
4408 (generic32_cost): Likewise.
4410 2006-03-24 Denis Chertykov <denisc@overta.ru>
4412 * config/avr/avr-protos.h (extra_constraint): Delete.
4413 (extra_constraint_Q): New declaration.
4414 * config/avr/constraints.md: New file.
4415 * config/avr/avr.md: Include it.
4416 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4417 (TMP_REGNO, ZERO_REGNO): Likewise.
4418 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4419 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4420 (extra_constraint): Delete.
4421 (extra_constraint_Q): Test for memory constraint 'Q'.
4422 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4423 (REG_CLASS_FROM_LETTER): Delete.
4424 (CONST_OK_FOR_LETTER_P): Delete.
4425 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4426 (EXTRA_CONSTRAINT): Delete.
4427 (TMP_REGNO): Delete.
4428 (ZERO_REGNO): Delete.
4430 2006-03-24 Jeff Law <law@redhat.com>
4432 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4433 directly. Call mark_new_vars_to_rename slightly earlier.
4435 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4437 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4439 (gen_compile_unit_die): Use new language types for Objective-C and
4441 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4442 DW_LANG_C_plus_plus.
4445 * config/t-darwin (crt3.o): Work around bug 26840.
4446 * config/darwin-crt3.c: Rewrite.
4447 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4449 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4451 * doc/invoke.texi: Document -femit-class-debug-always
4452 * common.opt: Add -femit-class-debug-always.
4454 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4456 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4457 index and base register.
4458 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4459 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4460 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4461 REGNO_OK_FOR_INDEX_P.
4462 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4464 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4465 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4466 REG_OK_FOR_BASE_P): Definitions removed.
4468 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4471 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4472 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4473 set yet or weren't marked as local yet.
4475 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4477 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4480 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4482 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4483 (rs6000_legitimate_small_data_p): Delete.
4484 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4485 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4486 and make static. Add forward declaration. Update uses.
4487 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4488 of offsettable_memref_p.
4489 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4490 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4492 2006-03-24 Jeff Law <law@redhat.com>
4494 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4495 around bug in immediate-use iterator.
4497 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4500 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4501 or __LITTLE_ENDIAN__.
4503 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4505 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4506 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4507 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4508 * config/sh/sh.opt (mdiv=): Amend description.
4509 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4510 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4511 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4512 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4513 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4514 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4515 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4516 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4517 TARGET_DIVIDE_CALL_FP.
4519 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4521 * haifa-sched.c (choose_ready): Fix type of the local variable.
4522 Move local variables. Add comment.
4523 (check_reg_live): Change signature. Make callable from debugger.
4524 * sched-int.h (check_reg_live): Update signature.
4525 * sched-ebb.c (check_reg_live): Update parameters.
4526 * sched-rgn.c (check_reg_live): Ditto.
4527 (region_head_or_leaf_p): Check pointer before dereferencing.
4528 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4529 before reload on optimization levels below 1.
4531 2006-03-23 Richard Henderson <rth@redhat.com>
4533 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4537 * config/alpha/predicates.md (local_symbolic_operand): Reject
4540 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4543 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4544 expressions which have overflowed constants.
4546 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4548 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4550 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4552 * cfgloopmanip.c (create_loop_notes): Removed.
4553 * final.c (final_scan_insn): Do not handle loop notes.
4554 * jump.c (squeeze_notes): Ditto.
4555 * cfglayout.c (skip_insns_after_block,
4556 duplicate_insn_chain): Ditto.
4557 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4559 * cfgloop.h (create_loop_notes): Declaration removed.
4561 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4563 * varasm.c (output_constant_pool): Restore fnname and fndecl
4565 (assemble_start_function): Adjust call accordingly.
4566 (assemble_end_function): Likewise.
4568 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4571 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4574 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4576 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4579 * system.h (ICE_EXIT_CODE): New macro.
4580 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4581 (diagnostic_action_after_output): Likewise.
4582 * gcc.c (fatal_ice): New function.
4583 (execute): Use it instead of fatal.
4584 (fancy_abort): Likewise.
4585 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4587 2006-03-22 Jeff Law <law@redhat.com>
4589 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4590 iv_analyze_result returning false.
4592 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4594 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4596 2006-03-22 Richard Henderson <rth@redhat.com>
4599 * except.c (duplicate_eh_regions_0): New.
4600 (duplicate_eh_region_1): Duplicate the children of the node as
4601 well as the node itself. Link them up properly.
4602 (duplicate_eh_region_2): Merge into ...
4603 (duplicate_eh_regions): ... here. Take copy_region argument, and
4604 copy only a sub-tree if asked. Simplify copying and fixup.
4605 (eh_region_outer_p): New.
4606 * except.h (duplicate_eh_regions): Update decl.
4607 (eh_region_outer_p): Declare.
4608 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4609 (lower_omp_master): Likewise.
4610 (lower_omp_ordered): Likewise.
4611 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4612 (move_stmt_r): Use it to remap labels. Handle recursion vs
4613 remap_decls_p properly.
4614 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4615 (find_outermost_region_in_block): New.
4616 (new_label_mapper): New.
4617 (move_sese_region_to_fn): Copy eh information to the new function
4619 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4621 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4624 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4626 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4627 into shared libraries.
4629 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4631 * doc/md.texi: Refer to i386/constraints.md instead of
4633 * config/i386/constraints.md: New file, extracted from...
4634 * config/i386/predicates.md: ...here.
4635 * config/i386/i386.md: Include constraints.md.
4637 2006-03-21 Jason Merrill <jason@redhat.com>
4639 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4642 * expr.c (init_block_move_fn): Force default visibility.
4643 (init_block_clear_fn): Likewise.
4644 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4645 * targhooks.c (default_external_stack_protect_fail): Likewise.
4647 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4649 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4650 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4651 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4652 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4653 (loadgp): Use mips_current_loadgp_style.
4654 (loadgp_noshared): New pattern.
4655 (sibcall_internal): Use MIPS_CALL.
4656 (sibcall_value_internal): Likewise.
4657 (sibcall_value_multiple_internal): Likewise.
4658 (call_internal): Likewise.
4659 (call_value_internal): Likewise.
4660 (call_value_multiple_internal): Likewise.
4661 (call_split): Use MIPS_CALL and add an 'S' constraint.
4662 (call_value_split): Likewise.
4663 (call_value_multiple_split): Likewise.
4664 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4665 (-mshared): New option.
4666 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4667 (mips_current_loadgp_style): Declare.
4668 * config/mips/mips.c (mips_classify_symbol): Avoid using
4669 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4670 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4671 TARGET_ABSOLUTE_ABICALLS.
4672 (override_options): Adjust comments. Improve the warning that is
4673 issued when -mabicalls and -G are used together.
4674 (mips_file_start): Remove comment.
4675 (mips_current_loadgp_style): New function.
4676 (mips_gnu_local_gp): New variable.
4677 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4679 (mips_output_function_prologue): Use mips_current_laodgp_style.
4680 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4681 the cprestore instruction.
4682 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4683 live for TARGET_ABSOLUTE_ABICALLS.
4684 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4685 (ASM_SPEC): Pass down -mshared and -mno-shared.
4686 (MIPS_CALL): New macro.
4687 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4689 * doc/invoke.texi (-mabicalls): Update documentation.
4690 (-mshared): Document.
4692 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4694 * config/ia64/unwind-hpux.c: New file.
4695 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4697 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4700 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4702 2006-03-21 Jeff Law <law@redhat.com>
4704 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4705 type conversions of a VR_VARYING source to a wider type.
4707 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4709 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4710 tm_file on Solaris 10 and later.
4711 (sparc64-*-solaris2*): Likewise.
4712 (sparc-*-solaris2*): Likewise.
4713 * config/sol26.h: Rename to config/sol2-6.h.
4714 * config/sol2-10.h: New file.
4716 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4719 * tree-ssa-pre.c (create_component_ref_by_pieces):
4722 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4725 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4726 return it immediately.
4728 2006-03-21 Michael Matz <matz@suse.de>
4730 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4732 (remove_arc, add_arc): Update num_out_arcs member.
4733 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4735 (cache_presence): New function.
4736 (compare_states_for_equiv): New function.
4737 (state_is_differed): Don't take number of outargs, adjust callers.
4738 Use new invariant for speeding up.
4739 (init_equiv_class): Create initial classes based on sorted
4741 (partition_equiv_class): Don't track out_arcs_num.
4742 (evaluate_equiv_classes): Call cache_presence on all states and
4745 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4747 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4748 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4749 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4750 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4752 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4753 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4754 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4755 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4756 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4758 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4759 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4760 (REGNO_REG_CLASS): ARGP is in PREGS.
4761 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4763 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4764 to deal with those addresses.
4765 * addresses.h: New file.
4766 * caller-save.c: Include "addresses.h".
4767 (init_caller_save): Use new base_reg_class function.
4768 * rtl-factoring.c: Include "addresses.h".
4769 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4770 * recog.c: Include "addresses.h".
4771 (preprocess_constraints): Use new base_reg_class function.
4772 * regrename.c: Include "addresses.h".
4773 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4774 functions. Keep track of a new var INDEX_CODE to compute valid
4776 (replace_oldest_value_addr): Likewise.
4777 (replace_oldest_value_mem): Use base_reg_class.
4778 * reload.c: Include "addresses.h".
4779 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4780 (find_reloads): Use new base_reg_class function.
4781 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4782 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4783 all callers and prototype changed.
4784 * reload1.c: Include "addresses.h".
4785 (maybe_fix_stack_asms): Use base_reg_class.
4786 * regclass.c: Include "addresses.h".
4787 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4788 (init_reg_autoinc): Use new base_reg_class function.
4789 (record_reg_classes): Likewise.
4790 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4791 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4792 Use new args to compute necessary class.
4794 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4795 regrename.o, rtl-factoring.o): Update dependencies.
4796 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4797 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4798 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4799 REG_OK_FOR_INDEX_P): Delete documentation.
4801 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4803 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4804 from V7 to V9 for Solaris 7 and above.
4806 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4808 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4809 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4810 argument pointers may not alias any other storage.
4811 * common.opt: Define option -fargument-noalias-anything.
4812 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4813 alias semantics is specified by flag_argument_noalias > 2.
4815 2006-03-20 Jeff Law <law@redhat.com>
4817 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4818 (pass_phi_only_cprop): Declare.
4819 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4821 * tree-ssa-dom.c (degenerate_phi_result): New function.
4822 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4823 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4824 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4825 (eliminate_degenerate_phis): Likewise.
4826 (pass_phi_only_cprop): New pass descriptor.
4827 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4828 support code. Callers updated.
4829 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4830 (store_copy_prop): Likewise.
4831 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4833 2006-03-20 Jason Merrill <jason@redhat.com>
4836 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4837 (push_visibility, pop_visibility): Likewise.
4838 * c-pragma.h: Declare them.
4840 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4842 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4844 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4845 parameter and use get_ebb_head_tail.
4846 (sh_md_init_global): Adjust uses of find_regmode_weight.
4848 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4850 * function.h (struct function) <x_tail_recursion_reentry>:
4851 Rename to x_stack_check_probe_note.
4852 (tail_recursion_reentry): Rename to stack_check_probe_note.
4853 * function.c: Replace tail_recursion_reentry with
4854 stack_check_probe_note everywhere.
4855 (expand_function_start): Only emit a note for
4856 stack_check_probe_note with -fstack-protect.
4857 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4859 * emit-rtl.c (remove_unnecessary_notes): Remove.
4860 (pass_remove_unnecessary_notes): Remove.
4861 * rtl.h (remove_unnecessary_notes): Remove prototype.
4862 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4863 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4864 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4866 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4869 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4870 (valid_in_set): Handle ARRAY_REF.
4871 Change "if min_variant or VH" to asserts.
4872 (create_component_ref_by_pieces): Handle ARRAY_REF.
4873 (create_expression_by_pieces): Likewise.
4874 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4876 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4878 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4879 is operand of switch, not str[0].
4881 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4883 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4884 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4886 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4888 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4889 end of insn_extra_address_constraint declaration.
4891 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4893 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4894 (no-sum-in-toc): Same.
4895 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4897 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4898 NO_FP_IN_TOC for -fPIC instead of mask.
4900 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4901 (BOOT_LDFLAGS): Delete.
4903 * config/rs6000/t-aix52: Same.
4905 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4906 (stmsi[345678]_power): New.
4908 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4910 * config/ia64/ia64.opt: Add empty line to end of file.
4912 2006-03-17 Richard Guenther <rguenther@suse.de>
4915 * builtins.c (get_pointer_alignment): For component style references
4916 adjust alignment to the component type alignment. Make sure
4917 to adjust alignment for component access of constants.
4919 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4921 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4924 2006-03-17 Paul Brook <paul@codesourcery.com>
4926 * doc/install.texi: Docuemnt --with-mode.
4927 * config.gcc: Add --with-mode for arm*-*-*.
4928 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4930 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4932 * sh.c (max_labelno_before_reorg): New variable.
4933 (sh_reorg): Initialize it.
4934 (find_barrier): Check max_labelno_before_reorg before using
4935 label_to_alignment. Take length of explicit alignment insns
4936 into account. When seeing a UNSPECV_CONST_END, return it.
4938 * sh.c (fixup_mova): Set mode of affected label to QImode.
4939 (untangle_mova): New function.
4940 (find_barrier): Use it. Check mode of label before decrementing
4942 (sh_reorg): Likewise.
4943 Set mode of all insns back to VOIDmode.
4945 * sh.c (MOVA_LABELREF): New macro.
4946 (mova_p, fixup_mova, sh_reorg): Use it.
4947 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4948 ADDR_DIFF_VEC matches mova.
4950 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4952 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4953 with ATTRIBUTE_UNUSED.
4955 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4957 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4958 pointer, instead of assuming it is possible to derive the
4959 correct args size from a call insn.
4961 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4963 * rtl.h (CONST_INT_P): Define.
4964 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4965 instead of GET_CODE(x) == CONST_INT.
4966 (vax_rtx_costs): Likewise.
4967 (vax_output_int_move): Likewise.
4968 (vax_output_int_add): Likewise.
4969 (legitimate_constant_address_p): Likewise.
4970 (index_term_p): Likewise.
4971 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4972 * config/vax/vax.md (and<mode>3): Likewise.
4973 (ashrsi3): Likewise.
4975 (movstricthi): Likewise.
4976 (movstrictqi): Likewise.
4977 (rotrsi3): Likewise.
4978 (five unnamed insns): Likewise.
4980 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4982 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4983 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4984 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4985 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4986 Pass to ASM_OUTPUT_DWARF_OFFSET.
4987 * dwarf2out.c (debug_frame_section): New.
4988 (output_call_frame_info): Use debug_frame_section. Pass it to
4989 dw2_asm_output_offset.
4990 (output_die): Pass appropriate section to dw2_asm_output_offset.
4991 (output_compilation_unit_header): Likewise.
4992 (output_pubnames): Likewise.
4993 (output_aranges): Likewise.
4994 (enum dw_val_class): Break dw_val_class_lbl_offset into
4995 dw_val_class_lineptr and dw_val_class_macptr.
4996 (add_AT_lbl_offset): Delete.
4997 (add_AT_lineptr): New.
4998 (add_AT_macptr): New.
4999 (AT_lbl): Expect a lineptr or macptr.
5000 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5001 (attr_checksum): Likewise.
5002 (same_dw_val_p): Likewise.
5003 (size_of_die): Likewise.
5004 (value_format): Likewise.
5005 (output_die): Likewise.
5006 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5008 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5009 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5010 * config/darwin-protos.h (darwin_file_start): New.
5011 (darwin_asm_output_dwarf_offset): New.
5012 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5013 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5015 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5016 if not EH section; simplify.
5017 (darwin_file_start): New.
5018 (darwin_asm_output_dwarf_offset): New.
5019 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5021 (DEBUG_INFO_SECTION): Likewise.
5022 (DEBUG_ABBREV_SECTION): Likewise.
5023 (DEBUG_ARANGES_SECTION): Likewise.
5024 (DEBUG_MACINFO_SECTION): Likewise.
5025 (DEBUG_LINE_SECTION): Likewise.
5026 (DEBUG_LOC_SECTION): Likewise.
5027 (DEBUG_PUBNAMES_SECTION): Likewise.
5028 (DEBUG_STR_SECTION): Likewise.
5029 (DEBUG_RANGES_SECTION): Likewise.
5030 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5031 (ASM_OUTPUT_DWARF_OFFSET): New.
5033 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5035 * config.gcc (tm_defines): Always add to previous value rather
5038 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5040 * config/mips/predicates.md (splittable_const_int_operand): New,
5041 split from move_operand.
5042 (splittable_symbolic_operand): New.
5043 (move_operand): Add commentary. Use splittable_const_int_operand.
5044 Inline mips_atomic_symbolic_constant_p.
5045 * config/mips/mips.md: Add combine splitters for handling moves
5046 of splittable_const_int_operands and splittable_symbolic_operands.
5047 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5048 (mips_split_symbol): Declare.
5049 (mips_move_integer): Declare.
5050 * config/mips/mips.c (mips_split_p): Make global.
5051 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5052 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5053 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5054 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5055 (mips_offset_within_object_p): Handle block symbols.
5056 (mips_atomic_symbolic_constant_p): Delete.
5057 (mips_cannot_force_const_mem): Return false for constants that
5058 mips_legitimize_move can handle.
5059 (mips_use_blocks_for_constant_p): New function.
5060 (mips_split_symbol): Make global.
5061 (mips_move_integer): Likewise. Add a temporary register argument.
5062 (mips_legitimize_const_move): Use splittable_const_int_operand and
5063 splittable_symbolic_operand.
5064 (mips_use_anchors_for_symbol_p): New function.
5065 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5066 (mips_split_p): Declare.
5068 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5070 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5071 (mips*-*-linux*): Likewise.
5073 2006-03-16 Roger Sayle <roger@eyesopen.com>
5074 Daniel Speyer <dspeyer@wam.umd.edu>
5077 * tree-dump.c (dump_real): New function.
5078 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5079 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5080 (tree-dump.o): Add $(REAL_H) to the dependencies.
5082 2006-03-16 Roger Sayle <roger@eyesopen.com>
5085 * real.c (real_from_string): If the mantissa is zero, don't bother
5086 parsing the exponent as the result should always be zero.
5088 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5090 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5092 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5094 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5095 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5096 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5097 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5098 ia64_sched_finish_global): New static functions to implement
5099 hooks from gcc_target.sched.
5100 (spec_check_no, max_uid, pending_data_specs): New static variables.
5101 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5102 ia64_spec_check_src_p): New static functions.
5103 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5104 (TARGET_SCHED_ADJUST_COST): Removed.
5105 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5106 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5107 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5108 TARGET_SCHED_GEN_CHECK,
5109 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5110 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5111 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5112 Fixed to handle speculation checks.
5113 (rtx_needs_barrier): Fixed to handle speculative loads and
5115 (ia64_variable_issue): Added code to count speculative loads and their
5117 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5119 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5121 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5123 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5124 (ia64_reorg): Reset stops_p to NULL after it is freed.
5125 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5126 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5127 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5129 (data_speculative, control_speculative, check_load): New attributes.
5130 (mov<mode>_advanced, mov<mode>_speculative,
5131 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5132 zero_extend<mode>di2_speculative,
5133 zero_extend<mode>di2_speculative_advanced): New patterns for
5134 data and control speculative loads.
5135 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5137 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5138 New pattern for data and control speculation checks.
5139 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5140 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5141 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5142 Auxiliary definitions for the patterns.
5143 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5144 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5146 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5148 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5149 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5150 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5151 New resource constraints.
5152 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5154 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5155 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5156 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5157 msched-in-control-spec, msched-ldc, msched-control-ldc,
5158 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5159 msched-prefer-non-control-spec-insns,
5160 msched-count-spec-in-critical-path): New flags to tune speculative
5162 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5163 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5164 msched-in-control-spec, msched-ldc, msched-control-ldc,
5165 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5166 msched-prefer-non-control-spec-insns,
5167 msched-count-spec-in-critical-path): Document new flags.
5169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5171 * target.h (struct spec_info_def): New opaque declaration.
5172 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5173 speculate_insn, needs_block_p, gen_check,
5174 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5175 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5176 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5177 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5178 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5179 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5181 (TARGET_SCHED): Use new macros.
5182 * rtl.h (copy_DEPS_LIST_list): New prototype.
5183 * sched-int.h (struct sched_info): Change signature of new_ready field,
5184 adjust all initializations. New fields: add_remove_insn,
5185 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5186 region_head_or_leaf_p.
5187 (struct spec_info_def): New structure declaration.
5188 (spec_info_t): New typedef.
5189 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5190 recovery_block, orig_pat.
5191 (glat_start, glat_end): New variables declaraions.
5192 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5194 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5195 DETACH_LIFE_INFO, USE_GLAT.
5196 (enum SPEC_SCHED_FLAGS): New enumeration.
5197 (NOTE_NOTE_BB_P): New macro.
5198 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5199 attach_life_info, debug_spec_status, check_reg_live): New functions.
5200 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5201 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5203 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5204 * ddg.c (get_block_head_tail): Adjust all uses.
5205 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5206 (sms_sched_info): Initialize new fields.
5207 (contributes_to_priority): Removed.
5208 * haifa-sched.c (params.h): New include.
5209 (get_block_head_tail): Adjust all uses.
5210 (ISSUE_POINTS): New macro.
5211 (glat_start, glat_end): New global variables.
5212 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5213 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5214 old_last_basic_block, before_recovery, current_sched_info_var,
5215 rgn_n_insns, luid): New static variables.
5216 (insn_cost1): New function. Move logic from insn_cost to here.
5217 (find_insn_reg_weight1): New function. Move logic from
5218 find_insn_reg_weight to here.
5219 (reemit_notes, move_insn, max_issue): Change signature.
5220 (move_insn1): Removed.
5221 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5222 extend_bb): New static functions to support extension of scheduler's
5224 (generate_recovery_code, process_insn_depend_be_in_spec,
5225 begin_speculative_block, add_to_speculative_block,
5226 init_before_recovery, create_recovery_block, create_check_block_twin,
5227 fix_recovery_deps): New static functions to support
5228 generation of recovery code.
5229 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5230 restore_bb_notes, move_block_after_check, move_succs): New static
5231 functions to support ebb scheduling.
5232 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5233 functions to support handling of register live information.
5234 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5235 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5236 add_jump_dependencies): New static functions.
5237 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5238 consistancy checking.
5239 (debug_spec_status): New function to call from debugger.
5240 (priority): Added code to handle speculation checks.
5241 (rank_for_schedule): Added code to distinguish speculative instructions.
5242 (schedule_insn): Added code to handle speculation checks.
5243 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5244 Fixed to handle ebbs.
5245 (move_insn): Added code to handle ebb scheduling.
5246 (max_issue): Added code to use ISSUE_POINTS of instructions.
5247 (choose_ready): Added code to choose between speculative and
5248 non-speculative instructions.
5249 (schedule_block): Added code to handle ebb scheduling and scheduling of
5250 speculative instructions.
5251 (sched_init): Initialize new variables.
5252 (sched_finish): Free new variables. Print statistics.
5253 (try_ready): Added code to handle speculative instructions.
5254 * lists.c (copy_DEPS_LIST_list): New function.
5255 * sched-deps.c (extend_dependency_caches): New function. Move logic
5256 from create_dependency_caches to here.
5257 (get_dep_weak, ds_merge): Make global.
5258 * genattr.c (main): Code to output prototype for
5259 dfa_clear_single_insn_cache.
5260 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5261 (output_dfa_clean_insn_cache_func): Code to output
5262 dfa_clear_single_insn_cache function.
5263 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5265 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5267 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5268 New static variables.
5269 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5270 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5272 (ebb_sched_info): Initialize new fields.
5273 (get_block_head_tail): Adjust all uses.
5274 (compute_jump_reg_dependencies): Fixed to use glat_start.
5275 (schedule_ebb): Code to remove unreachable last block.
5276 (schedule_ebbs): Added code to update register live information.
5277 * sched-rgn.c (region_sched_info): Initialize new fields.
5278 (get_block_head_tail): Adjust all uses.
5279 (last_was_jump): Removed. Adjust users.
5280 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5281 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5282 Implement new hooks.
5283 (check_dead_notes1): New static function.
5284 (struct region): New fields: dont_calc_deps, has_real_ebb.
5285 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5286 (BB_TO_BLOCK): Fixed to handle EBBs.
5287 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5288 (ebb_head): New static variable.
5289 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5290 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5292 (compute_dom_prob_ps): New assertion.
5293 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5294 global_live_at_start.
5295 (init_ready_list): New assertions.
5296 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5297 (new_ready): Add support for BEGIN_CONTROL speculation.
5298 (schedule_insns): Fixed code that updates register live information
5300 (schedule_region): Fixed to handle EBBs.
5301 (init_regions): Use extend_regions and check_dead_notes1.
5302 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5303 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5304 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5305 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5306 TARGET_SCHED_GEN_CHECK,
5307 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5308 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5309 * doc/invoke.texi (max-sched-insn-conflict-delay,
5310 sched-spec-prob-cutoff): Document.
5312 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5314 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5315 inter_tick, queue_index.
5316 (struct sched_info): Change signature of init_ready_list field.
5317 Adjust all initializations.
5318 (RESOLVED_DEPS): New access macro.
5319 (ready_add): Remove prototype.
5320 (try_ready): Add prototype.
5321 * sched-rgn.c (init_ready_list): Use try_ready.
5322 (schedule_region): Initialize
5323 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5324 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5325 (init_ready_list): Use try_ready.
5326 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5327 * lists.c (remove_list_elem): Remove `static'.
5328 (remove_free_INSN_LIST_elem): New function.
5329 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5330 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5331 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5333 (readyp): New variable.
5334 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5335 change_queue_index, resolve_dep): New static functions.
5336 (try_ready): New function. Adjust callers in sched-rgn.c and
5337 sched-ebb.c to use it instead of ready_add.
5338 (clock_var): Move at the begining of file.
5339 (rank_for_schedule): Fix typo.
5340 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5341 (ready_lastpos): Enforce assertion.
5342 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5344 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5345 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5346 (queue_to_ready): Use free_INSN_LIST_list.
5347 (early_queue_to_ready): Fix typo.
5348 (schedule_block): Init readyp. Move init_ready_list call after the
5349 initialization of clock_var. Fix error in rejecting insn by
5350 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5351 that previously corrected INSN_TICKs. Add code for handling
5353 (set_priorities): Fix typo.
5354 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5355 Clarify comment and code that keeps current_sched_info->next_tail
5358 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5360 * sched-rgn.c (extend_rgns): New static function.
5361 (find_rgns): Use it.
5362 (gather_region_statistics, print_region_statistics): New static
5364 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5365 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5367 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5368 Andrey Belevantsev <abel@ispras.ru>
5370 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5371 * lists.c (unused_deps_list): New variable.
5372 (free_list): Add assertions to verify the proper distinguishing
5373 between INSN_LISTs and DEPS_LISTs.
5374 (find_list_elem, remove_list_elem, remove_list_node): New static
5376 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5377 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5378 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5379 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5381 (free_INSN_LIST_node): Likewise.
5382 * modulo-sched.c (current_sched_info): Initialize flags field.
5383 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5384 * rtl.def (DEPS_LIST): Define.
5385 * rtl.h: Declare new functions from lists.c.
5386 * sched-deps.c (spec_dependency_cache): New static variable.
5387 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5388 (add_dependence): Change return type to void. Move the logic to ...
5389 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5390 (delete_all_dependences): Add comment about forward_dependency_cache.
5391 Handle spec_dependency_cache. Handle DEPS_LISTs.
5392 (fixup_sched_groups): Clarify the change of priority of output
5393 and anti dependencies.
5394 (sched_analyze_2): Adjust add_dependence calls to create data
5395 speculative dependence.
5396 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5397 Adjust all callers. Handle DEPS_LISTS.
5398 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5399 presence of speculation.
5400 (init_dependency_caches, free_dependency_caches):
5401 Handle spec_dependency_cache.
5402 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5403 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5404 New static functions.
5405 (add_or_update_back_dep, add_or_update_back_forw_dep,
5406 add_back_forw_dep, delete_back_forw_dep): New functions.
5407 * sched-int.h (ds_t, dw_t): New typedefs.
5408 (struct sched_info): Add new field flags.
5409 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5410 Prototype new sched-deps.c functions.
5411 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5412 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5413 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5414 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5415 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5416 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5418 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5420 * sched-rgn.c (current_sched_info): Initialize flags field.
5421 (schedule_insns): Initialize current_sched_info before the sched_init
5423 * sched-ebb.c (current_sched_info): Initialize flags field.
5424 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5425 Call add_or_update_back_dep instead of add_dependence.
5426 Create control speculative dependencies.
5427 (schedule_insns): Initialize current_sched_info before the sched_init
5430 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5432 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5434 (sh_fallback_frame_state): Likewise.
5436 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5438 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5439 Do switch on default_use_cxa_atexit.
5440 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5441 * config/darwin-crt3.o: New.
5442 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5443 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5444 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5446 * config/rs6000/t-darwin: Move crt2.o building to here.
5447 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5448 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5451 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5453 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5454 from '! xxx' to '!xxx' for coding-style conformance.
5455 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5456 (EXTRA_CONSTRAINT): Likewise.
5457 * config/vax/vax.md (four unnamed insns): Likewise.
5459 2006-03-15 Paul Brook <paul@codesourcery.com>
5461 * config/arm/arm.c (minipool_pad): New.
5462 (add_minipool_forward_ref): Include pool alignment padding in address
5464 (push_minipool_fix): Set minipool_pad.
5465 (minipool_pad): Ditto.
5467 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5469 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5470 instead of GET_CODE() == MEM and REG_P() instead of
5472 (print_operand_address): Likewise.
5473 (vax_address_cost): Likewise.
5474 (vax_rtx_costs): Likewise.
5475 (vax_notice_update_cc): Likewise.
5476 (vax_output_int_add): Likewise.
5477 (INDEX_REGISTER_P): Likewise.
5478 (BASE_REGISTER_P): Likewise.
5479 (nonindexed_address_p): Likewise.
5480 (vax_mode_dependent_address_p): Likewise.
5481 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5482 (PRINT_OPERAND): Likewise.
5483 * config/vax/vax.md (ashlsi3): Likewise.
5484 (ashlsi3): Likewise.
5485 (some more unnamed insns): Likewise.
5487 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5489 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5490 iterator-style macro.
5491 (mark_control_dependent_edges_necessary): Update the use of
5492 EXECUTE_IF_CONTROL_DEPENDENT.
5494 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5496 * config/sh/predicates.md (cache_address_operand): Special.
5497 (ua_address_operand): Likewise.
5499 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5501 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5503 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5505 2006-03-15 Andreas Schwab <schwab@suse.de>
5507 * gensupport.c (identify_predicable_attribute): Don't free p_false
5508 when it is still in use.
5510 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5512 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5513 the default setting here.
5515 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5517 * tree-pass.h (pass_cfg): Remove.
5518 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5519 * passes.c (pass_cfg): Don't run it.
5521 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5523 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5524 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5526 (stack_regs_mentioned): Update the uses of
5527 stack_regs_mentioned_data. Don't access the array beyond its
5529 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5530 Don't include gt-reg-stack.h.
5532 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5533 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5535 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5538 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5541 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5543 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5545 2006-03-14 Richard Guenther <rguenther@suse.de>
5547 PR tree-optimization/26672
5548 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5551 2006-03-14 Richard Guenther <rguenther@suse.de>
5553 PR tree-optimization/26667
5554 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5555 node for the callees. Always allow inlining if it will shrink
5558 2006-03-14 Richard Guenther <rguenther@suse.de>
5561 * builtins.c (get_pointer_alignment): Prefer alignment
5562 information from decls over that from types.
5564 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5567 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5569 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5571 * config/rs6000/rs6000.opt (mdlmzb): New option.
5572 (msched-prolog, msched-epilog): Use Var not Mask.
5573 * doc/invoke.texi (-mdlmzb): Document.
5574 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5576 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5577 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5579 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5581 PR rtl-optimization/25739
5582 * bt-load.c (augment_live_range): Free tos pointer.
5584 * gensupport.c (identify_predicable_attribute): Free
5586 * gcov.c (create_file_names): Free name pointer.
5588 2006-03-13 Roger Sayle <roger@eyesopen.com>
5591 * stmt.c (emit_case_nodes): Handle the case where the index is a
5592 CONST_INT, where the comparison mode is specified by the index type.
5594 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5596 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5599 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5601 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5602 (*branch_fp_inverted): Likewise.
5604 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5607 * omp-low.c (expand_omp_for_generic): Mark istart0
5608 and iend0 as addressable.
5610 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5612 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5614 2006-03-13 Jeff Law <law@redhat.com>
5616 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5617 virtual operands are interesting.
5618 (vrp_visit_stmt): Corresponding changes.
5620 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5622 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5624 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5625 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5626 * config/bfin/crti.S: Use it instead of __PIC__.
5627 * config/bfin/crtn.S: Likewise.
5629 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5630 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5632 Lose 'G' modifier for call operand.
5633 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5634 recognize 'G' modifier.
5636 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5639 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5640 * stmt.c (expand_case): Likewise.
5642 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5644 PR rtl-optimization/26254
5645 * loop-invariant.c (seq_insns_valid_p): New function.
5646 (move_invariant_reg): Only emit new code if it is valid.
5648 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5650 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5652 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5653 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5654 (commit_one_edge_insertion): Do not look for loop notes.
5656 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5658 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5659 flag_test_coverage out of loop.
5661 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5663 * final.c (shorten_branches): Remove outdated comment, and turn
5664 the if branch that guards it to continue.
5666 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5668 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5669 * cfgloop.h (struct loop): Remove unused fields.
5671 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5673 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5674 (-dL, -fdump-rtl-loop2): Update the dump file names
5676 * doc/invoke.texi: Update dump file names.
5678 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5680 * predict.c (estimate_probability): Remove.
5681 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5682 * basic-block.h (estimate_probability): Remove prototype.
5683 * passes.c (finish_optimization_passes): Dump branch prediction or
5684 profiling heuristics to the .profile tree dump.
5685 (init_optimization_passes): Unqueue pass_branch_prob.
5687 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5689 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5691 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5692 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5694 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5696 * function.h (frame_offset_overflow): Declare.
5697 * function.c (frame_offset_overflow): New function.
5698 (assign_stack_local_1): Call it to detect that the offset overflows.
5699 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5701 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5703 * config/sh/sh.c: Include alloc-pool.h.
5704 (label_ref_list_pool): New alloc pool.
5705 (label_ref_list_t): New type for lists of labels.
5706 (struct pool_node): Make wend a label_ref_list_t.
5707 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5709 (dump_table): Likewise.
5710 (sh_reorg): Set up the alloc pool before using add_constant and
5711 dump_table, and destroy it when finishing.
5713 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5715 * config/mips/mips.c: Remove redundant comment.
5717 2006-03-10 Jason Merrill <jason@redhat.com>
5720 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5721 the target was declared 'register'.
5723 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5725 * genpreds.c (write_insn_constraint_len): Change definition of
5726 insn_constraint_len to return size_t to match the declaration.
5728 2006-03-10 DJ Delorie <dj@redhat.com>
5730 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5732 (m32c_expand_insv): Fix test for an AND mask.
5734 2006-03-10 Richard Guenther <rguenther@suse.de>
5737 * builtins.c (get_pointer_alignment): Handle component
5738 references for field alignment.
5740 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5742 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5743 when building with libgloss.
5744 (sh*elf): Implement --without-fp option.
5745 (sh64-superh-linux*): Don't multilib.
5747 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5749 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5751 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5753 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5754 Set it when one of the replacement functions returned true.
5755 Return TODO_cleanup_cfg if cfgchanged is true.
5756 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5758 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5760 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5761 instead of gen_lowpart.
5763 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5765 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5767 (mips_output_order_conditional_branch): Declare.
5768 * config/mips/mips.h (MIPS_BRANCH): New macro.
5769 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5770 for the comparison. Use gen_condjump.
5771 (mips_output_conditional_branch): Rework interface to take the
5772 asm templates for a direct branch and the inverse of a direct branch.
5773 (mips_output_order_conditional_branch): New function.
5774 (mips_builtin_branch_and_move): New function.
5775 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5776 branch condition. Use gen_single_cc as the condition for
5777 __builtin_mips_upper_* or __builtin_mips_lower_*.
5778 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5779 Use VOIDmode for the branch condition.
5780 * config/mips/predicates.md (order_operator): New predicate.
5781 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5782 (branch_fp): Rename to...
5783 (*branch_fp): ...this. Remove mode from comparison operator.
5784 Use new mips_output_conditional_branch interface.
5785 (branch_fp_inverted): Rename to...
5786 (*branch_fp_inverted): ...this and update as for *branch_fp.
5787 (*branch_zero<mode>): Rename to...
5788 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5789 Use mips_output_order_conditional_branch. Only accept ordered
5791 (*branch_zero<mode>_inverted): Rename to...
5792 (*branch_order<mode>_inverted): ...this and update as for
5793 *branch_order<mode>.
5794 (*branch_equality<mode>): Accept zero as the second operand to
5795 the equality operator. Use the new mips_output_conditional_branch
5797 (*branch_equality<mode>_inverted): Likewise.
5798 (condjump): New expander.
5799 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5801 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5802 (bc1any2t, bc1any2f): Likewise.
5803 (single_cc): New expander.
5804 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5806 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5808 * doc/md.texi: Update documentation of MIPS constraints.
5809 * config/mips/constraints.md: New file.
5810 * config/mips/mips.md: Include it.
5811 * config/mips/mips.c (mips_char_to_class): Delete.
5812 (override_options): Don't initialize mips_char_to_class.
5813 * config/mips/mips.h (mips_char_to_class): Delete.
5814 (REG_CLASS_FROM_LETTER): Delete.
5815 (CONST_OK_FOR_LETTER_P): Delete.
5816 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5817 (EXTRA_CONSTRAINT_Y): Delete.
5818 (EXTRA_CONSTRAINT_STR): Delete.
5819 (CONSTRAINT_LEN): Delete.
5820 (EXTRA_MEMORY_CONSTRAINT): Delete.
5822 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5824 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5825 original fn's eh regions.
5827 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5829 * fold-const.c (build_range_check): Make sure to use a valid type to
5830 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5833 (range_predecessor): New static function.
5834 (range_successor): Likewise.
5835 (merge_ranges): Use them to compute predecessors and successors of
5838 2006-03-09 Roger Sayle <roger@eyesopen.com>
5841 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5842 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5844 2006-03-08 DJ Delorie <dj@redhat.com>
5846 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5847 (addpsi3): Expand to include memory operands. Remove
5848 reload-specific splits.
5849 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5850 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5851 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5852 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5853 (shift1_qi, shift1_hi, insv): New.
5854 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5855 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5856 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5858 * config/m32c/m32c-protos.h: Update as needed.
5859 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5860 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5861 Fail for unrecognized R* constraints.
5862 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5863 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5864 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5866 (m32c_init_libfuncs): New.
5867 (m32c_legitimate_address_p): Add debug wrapper.
5868 (m32c_rtx_costs): New.
5869 (m32c_address_cost): New.
5870 (conversions): Add 'B' prefix.
5871 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5872 operands, or word regnames for QI operands. 'B' prints bit
5874 (m32c_expand_setmemhi): New.
5875 (m32c_expand_movmemhi): New.
5876 (m32c_expand_movstr): New.
5877 (m32c_expand_cmpstr): New.
5878 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5879 (m32c_expand_neg_mulpsi3): Handle non-ints.
5880 (m32c_cmp_flg_0): New.
5881 (m32c_expand_movcc): New.
5882 (m32c_expand_insv): New.
5883 (m32c_scc_pattern): New.
5884 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5885 a0/a1 out of SIregs.
5886 (STORE_FLAG_VALUE): New.
5887 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5890 * config/m32c/mov.md: Make constraints more liberal.
5891 (zero_extendqihi2): Optimize r0/r1 case.
5892 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5893 * config/m32c/predicates.md (m32c_any_operand): New.
5894 (m32c_nonimmediate_operand): New.
5895 (m32c_hl_operand): New.
5896 (m32c_r3_operand): New.
5899 (memsym_operand): New.
5900 (memimmed_operand): New.
5901 (a_qi_operand): New.
5902 (m32c_eqne_operator): New.
5903 (m32c_1bit8_operand): New.
5904 (m32c_1bit16_operand): New.
5905 (m32c_1mask8_operand): New.
5906 (m32c_1mask16_operand): New.
5907 * config/m32c/blkmov.md: New file.
5908 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5910 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5912 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5913 unsigned to fix signed/unsigned comparison issue in
5914 DWARF2_FRAME_REG_OUT.
5915 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5916 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5918 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5919 of ptr into the ENABLE_CHECKING section.
5921 2006-03-08 Jeff Law <law@redhat.com>
5923 * tree-vrp.c (infer_value_range): Only count pointer uses
5924 and dereferences if -fdelete-null-pointer-checks is enabled.
5926 * tree-vrp.c (find_assert_locations): Infer value ranges for
5927 single use pointers, but do not create ASSERT_EXPRs for them.
5928 When a non-null range is inferred for a pointer, backwards
5929 propagate that range to other equivalent pointers through the
5932 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5935 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5936 language hook targets.
5937 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5938 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5939 if language hook targets were missing.
5941 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5943 * tree-ssa-opfinalize.h: Removed.
5944 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5946 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5947 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5948 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5949 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5950 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5951 finalize_ssa_v_must_def_ops): New.
5953 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5955 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5958 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5960 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5962 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5963 addresses with offsets; reorganize.
5965 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5966 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5967 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5969 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5972 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5974 2006-03-08 Ben Elliston <bje@au.ibm.com>
5976 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5978 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5981 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5984 2006-03-07 Richard Guenther <rguenther@suse.de>
5986 PR tree-optimization/26587
5987 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5989 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5991 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5993 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5995 * hooks.c (hook_bool_mode_rtx_true): New function.
5996 * hooks.h (hook_bool_mode_rtx_true): Declare.
5997 * toplev.c (compile_file): Call output_shared_constant_pool.
5998 * varasm.c (shared_constant_pool): New variable.
5999 (assemble_start_function, assemble_end_function): Remove arguments
6000 from call to output_constant_pool.
6001 (create_constant_pool): New function, split out from...
6002 (init_varasm_status): ...here.
6003 (force_const_mem): Choose between the shared and per-function constant
6004 pools. Set current_function_uses_const_pool when reusing old entries
6005 as well as when creating new ones.
6006 (mark_constant): Ignore data argument.
6007 (mark_constants): Remove pool argument.
6008 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6009 to decide whether the function uses a constant pool.
6010 (output_constant_pool_contents): New function, split out from...
6011 (output_constant_pool): ...here.
6012 (output_shared_constant_pool): New function.
6013 (init_varasm_once): Initialize shared_constant_pool.
6014 * output.h (output_constant_pool): Delete.
6015 (output_shared_constant_pool): Declare.
6016 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6017 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6019 2006-03-06 Nick Clifton <nickc@redhat.com>
6021 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6022 flag_strength_reduce.
6024 2006-03-06 Ben Elliston <bje@au.ibm.com>
6026 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6027 x86_64-*-linux* configurations.
6029 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6030 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6032 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6034 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6036 * basic-block.h: Remove the extern for
6037 rediscover_loops_after_threading.
6039 * cfgloop.c (cancel_loop): Make it static.
6040 * cfgloop.h: Remove the prototype for cancel_loop.
6042 * flow.c (recompute_reg_usage): Make it static.
6043 * rtl.h: Remove the prototype for recompute_reg_usage.
6045 * function.c (use_return_register): Make it static.
6046 * function.h: Remove the prototype.
6048 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6050 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6052 * recog.h: Remove the prototype for
6053 validate_change_maybe_volatile.
6055 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6057 * rtlanal.c (replace_reg): Remove.
6058 * rtl.h: Remove the prototype for replace_reg.
6060 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6062 * regclass.c (reg_scan_update): Remove.
6063 (reg_scan_mark_refs): Remove the last argument.
6064 * rtl.h: Remove the prototype for reg_scan_update.
6066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6068 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6069 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6070 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6071 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6072 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6073 loop-invariant.c, omp-low.c, opts.c, passes.c,
6074 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6075 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6076 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6077 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6078 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6079 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6083 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6084 * dwarf2out.h: Remove the prototype for
6085 dwarf2out_add_library_unit_info.
6087 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6089 * tree.c (add_var_to_bind_expr): Remove.
6090 * tree.h: Remove the prototype for add_var_to_bind_expr.
6092 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6094 * regclass.c (n_non_fixed_regs): Remove.
6095 (init_reg_sets_1, globalize_reg): Remove all uses of
6097 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6099 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6101 * rtlanal.c (insns_safe_to_move_p): Remove.
6102 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6106 * expmed.c (expand_mult_add): Remove.
6107 * expr.h: Remove the prototype for expand_mult_add.
6109 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6111 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6112 and REG_SAVED_VAL_EXP constants.
6113 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6114 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6115 Handle regs stored by value.
6116 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6117 (execute_cfa_program): Handle DW_CFA_val_offset,
6118 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6119 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6120 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6121 (uw_install_context_1): Handle target regs stored by value.
6123 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6125 * tree-sra.c (tree_sra): Return todoflags;
6126 (generate_one_element): Set TODO_update_smt_usage if needed.
6127 (pass_sra): Remove TODO_update_smt_usage.
6128 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6130 (tree_ssa_forward_propagate_single_use_vars): Return
6131 TODO_update_smt_usage if we need to update SMT usage.
6132 (pass_forwprop): Remove TODO_update_smt_usage.
6134 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6136 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6137 (correct_use_link): Remove reference to get_stmt_operands.
6138 (update_stmt_operands): Likewise.
6139 (get_modify_expr_operands): New function factored out of
6140 parse_ssa_operands and get_expr_operands.
6141 Try to create V_MUST_DEFs for LHS by default.
6142 (get_expr_operands) <case MODIFY_EXPR>: Call
6143 get_modify_expr_operands.
6144 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6145 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6146 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6147 get_modify_expr_operands.
6149 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6151 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6152 * tree-flow.h: Remove the prototype for
6153 referenced_var_lookup_if_exists.
6155 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6157 PR rtl-optimization/26345
6159 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6161 2006-03-03 Roger Sayle <roger@eyesopen.com>
6163 PR tree-optimization/26524
6164 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6165 fold_convert to create a constant of the appropriate type.
6167 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6169 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6170 SYMBOL_REF_IN_BLOCK_P.
6171 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6172 of SYMBOL_FLAG_IN_BLOCK.
6173 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6174 instead of SYMBOL_REF_IN_BLOCK_P.
6175 * explow.c (use_anchored_address): Likewise.
6176 * rtl.c (rtx_size): Likewise.
6177 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6178 instead of SYMBOL_FLAG_IN_BLOCK.
6179 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6180 SYMBOL_REF_IN_BLOCK_P.
6181 (assemble_variable): Likewise.
6182 (output_constant_def_contents): Likewise.
6183 (output_constant_pool): Likewise.
6184 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6185 instead of SYMBOL_FLAG_IN_BLOCK.
6186 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6187 SYMBOL_REF_IN_BLOCK_P.
6188 (SYMBOL_REF_BLOCK): Likewise.
6189 (SYMBOL_REF_OFFSET): Likewise.
6190 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6191 SYMBOL_REF_IN_BLOCK_P.
6192 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6193 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6194 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6195 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6197 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6199 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6201 2006-03-02 Roger Sayle <roger@eyesopen.com>
6203 * simplify-rtx.c (simplify_unary_operation): When simplifying
6204 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6205 that we perform the right shift in the appropriate mode, and
6206 then extend or truncate the result to requested mode.
6208 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6210 * gengtype.c (main): Handle double_int type.
6211 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6212 * double-int.c: New file.
6213 * double-int.h: New file.
6214 * system.h: Include doubleint.h.
6215 * Makefile.in (SYSTEM_H): Include double-int.h.
6216 (double-int.o): Add.
6218 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6221 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6224 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6226 * tree-vrp.c (remove_range_assertions): Do not update statements
6229 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6231 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6233 * gcse.c (rest_of_handle_gcse): Ditto.
6234 * except.c (gate_handle_eh): Ditto.
6235 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6236 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6238 2006-03-02 Eric Christopher <echristo@apple.com>
6240 * config/i386/i386.c (machopic_output_stub): Add indirection to
6243 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6247 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6249 Sun Niagara specific optimizations.
6250 * config.gcc: Recognize niagara as target.
6251 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6252 (TARGET_CPU_niagara): Define.
6253 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6254 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6255 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6256 (ASM_CPU_SPEC): Likewise.
6257 (PROCESSOR_NIAGARA): New enum entry.
6258 (REGISTER_MOVE_COST): Handle Niagara.
6259 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6260 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6261 (sparc_override_options): Recognize "niagara", set appropriate
6262 default MASK_* values for it, and align functions to 32-bytes
6263 by default just like ULTRASPARC/ULTRASPARC3.
6264 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6265 (sparc64_initialize_trampoline): Likewise.
6266 (sparc_use_sched_lookahead): Use zero for niagara.
6267 (sparc_issue_rate): Use one for niagara.
6268 * config/sparc/niagara.md: New file.
6269 * config/sparc/sparc.md: Include it.
6270 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6271 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6272 when default cpu is niagara.
6273 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6274 (ASM_CPU_SPEC): Likewise.
6275 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6276 when default cpu is niagara.
6277 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6278 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6279 just like v9/ultrasparc/ultrasparc3.
6280 * doc/invoke.texi: Add documentation for "niagara" and improve
6281 existing documentation for ultrasparc variants.
6283 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6285 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6287 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6289 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6290 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6291 and say that only one is needed.
6292 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6293 * target.h (have_switchable_bss_sections): New hook.
6294 * explow.c (use_anchored_address): Check that the symbol is in a block.
6295 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6296 (bss_noswitch_section): New variables.
6297 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6298 (get_noswitch_section): New function.
6299 (get_block_for_section): Allow SECT to be null.
6300 (unlikely_text_section_p): Use SECTION_STYLE.
6301 (bss_initializer_p): New function.
6302 (get_variable_section): Move earlier in file. Take a new argument,
6303 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6304 Return one of the new *_sections in such cases.
6305 (get_block_for_decl): New function, extracting some logic from
6306 use_blocks_for_decl_p.
6307 (change_symbol_section): Remove in favor of...
6308 (change_symbol_block): ...this new function.
6309 (use_blocks_for_decl_p): Remove checks now performed by
6311 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6312 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6313 (emit_local, emit_bss, emit_common): ...these new functions.
6314 Return true if the alignment was honored.
6315 (emit_tls_common): New function.
6316 (asm_emit_uninitialised): Delete.
6317 (assemble_variable_noswitch): New function, split out from...
6318 (assemble_variable): ...here. Don't make decisions about common
6319 variables here. Globalize all public decls that go into non-common
6320 sections. Check whether SYMBOL_REF_BLOCK is null.
6321 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6322 (output_constant_pool): Likewise.
6323 (init_varasm_once): Initialize the new section variables.
6324 (have_global_bss_p): New function.
6325 (categorize_decl_for_section): Use bss_initializer_p.
6326 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6327 (place_block_symbol): Assert that the symbol must be in a block.
6328 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6329 (TARGET_INITIALIZER): Include it.
6330 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6331 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6332 (SECTION_MACH_DEP): Bump by two.
6333 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6334 (unnamed_section): Mention SECTION_UNNAMED in comment.
6335 (named_section): Likewise SECTION_NAMED.
6336 (noswitch_section_callback): New type.
6337 (noswitch_section): New structure.
6338 (section): Add a noswitch_section alternative.
6339 (SECTION_STYLE): New macro.
6340 (tls_comm_section, comm_section, lcomm_section): Declare.
6341 (bss_noswitch_section, have_global_bss_p): Declare.
6342 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6343 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6345 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6346 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6349 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6351 * tree-vrp.c (execute_vrp): Return value.
6352 * regrename.c (rest_of_handle_regrename): Ditto.
6353 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6354 * tree-complex.c (tree_lower_complex): Ditto.
6355 (tree_lower_complex_O0): Ditto.
6356 * tracer.c (rest_of_handle_tracer): Ditto.
6357 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6358 * postreload.c (rest_of_handle_postreload): Ditto.
6359 * tree-tailcall.c (execute_tail_recursion): Ditto.
6360 (execute_tail_calls): Ditto.
6361 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6362 * tree.h (init_function_for_compilation): Ditto.
6363 * ipa-cp.c (ipcp_driver): Ditto.
6364 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6365 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6366 * final.c (compute_alignments): Ditto.
6367 (rest_of_handle_final): Ditto.
6368 (rest_of_handle_shorten_branches): Ditto.
6369 (rest_of_clean_state): Ditto.
6370 * omp-low.c (execute_expand_omp): Ditto.
6371 (execute_lower_omp): Ditto.
6372 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6373 * ipa-reference.c (static_execute): Ditto.
6374 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6375 * reorg.c (rest_of_handle_delay_slots): Ditto.
6376 (rest_of_handle_machine_reorg): Ditto.
6377 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6378 * flow.c (recompute_reg_usage): Ditto.
6379 (rest_of_handle_remove_death_notes): Ditto.
6380 (rest_of_handle_life): Ditto.
6381 (rest_of_handle_flow2): Ditto.
6382 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6383 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6384 (do_ssa_store_ccp): Ditto.
6385 (execute_fold_all_builtins): Ditto.
6386 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6387 * modulo-sched.c (rest_of_handle_sms): Ditto.
6388 * ipa-pure-const.c (static_execute): Ditto.
6389 * cse.c (rest_of_handle_cse): Ditto.
6390 (rest_of_handle_cse2): Ditto.
6391 * web.c (rest_of_handle_web): Ditto.
6392 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6393 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6394 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6395 * tree-nrv.c (tree_nrv): Ditto.
6396 (execute_return_slot_opt): Ditto.
6397 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6398 (create_structure_vars): Ditto.
6399 * loop-init.c (rtl_loop_init): Ditto.
6400 (rtl_loop_done): Ditto.
6401 (rtl_move_loop_invariants): Ditto.
6402 (rtl_unswitch): Ditto.
6403 (rtl_unroll_and_peel_loops): Ditto.
6404 (rtl_doloop): Ditto.
6405 * gimple-low.c (lower_function_body): Ditto.
6406 (mark_used_blocks): Ditto.
6407 * tree-ssa-sink.c (execute_sink_code): Ditto.
6408 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6409 (cgraph_early_inlining): Ditto.
6410 * global.c (rest_of_handle_global_alloc): Ditto.
6411 * jump.c (cleanup_barriers): Ditto.
6412 (purge_line_number_notes): Ditto.
6413 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6414 (rest_of_handle_if_after_reload): Ditto.
6415 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6416 (tree_ssa_loop_im): Ditto.
6417 (tree_ssa_loop_unswitch): Ditto.
6418 (tree_vectorize): Ditto.
6419 (tree_linear_transform): Ditto.
6420 (tree_ssa_loop_ivcanon): Ditto.
6421 (tree_ssa_empty_loop): Ditto.
6422 (tree_ssa_loop_bounds): Ditto.
6423 (tree_complete_unroll): Ditto.
6424 (tree_ssa_loop_prefetch): Ditto.
6425 (tree_ssa_loop_ivopts): Ditto.
6426 (tree_ssa_loop_done): Ditto.
6427 * predict.c (tree_estimate_probability): Ditto.
6428 * recog.c (split_all_insns_noflow): Ditto.
6429 (rest_of_handle_peephole2): Ditto.
6430 (rest_of_handle_split_all_insns): Ditto.
6431 * tree-eh.c (lower_eh_constructs): Ditto.
6432 * regmove.c (rest_of_handle_regmove): Ditto.
6433 (rest_of_handle_stack_adjustments): Ditto.
6434 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6435 * function.c (instantiate_virtual_regs): Ditto.
6436 (init_function_for_compilation): Ditto.
6437 (rest_of_handle_check_leaf_regs): Ditto.
6438 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6439 (rest_of_handle_gcse): Ditto.
6440 * ipa-type-escape.c (type_escape_execute): Ditto.
6441 * alias.c (rest_of_handle_cfg): Ditto.
6442 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6443 * profile.c (rest_of_handle_branch_prob): Ditto.
6444 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6445 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6446 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6447 * tree-dfa.c (find_referenced_vars): Ditto.
6448 * except.c (set_nothrow_function_flags): Ditto.
6449 (convert_to_eh_region_ranges): Ditto.
6450 (rest_of_handle_eh): Ditto.
6451 * emit-rtl.c (unshare_all_rtl): Ditto.
6452 (remove_unnecessary_notes): Ditto.
6453 * except.h (set_nothrow_function_flags): Ditto.
6454 (convert_to_eh_region_ranges): Ditto.
6455 * cfgexpand.c (tree_expand_cfg): Ditto.
6456 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6457 * tree-ssa-pre.c (do_pre): Ditto.
6458 (execute_fre): Ditto.
6459 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6460 (rest_of_handle_jump2): Ditto.
6461 * tree-sra.c (tree_sra): Ditto.
6462 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6463 (execute_mudflap_function_decls): Ditto.
6464 * tree-ssa-copy.c (do_copy_prop): Ditto.
6465 (do_store_copy_prop): Ditto.
6466 * ipa-prop.h (ipcp_driver): Ditto.
6467 * cfglayout.c (insn_locators_initialize): Ditto.
6468 * tree-ssa-forwprop.c
6469 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6470 * cfglayout.h (insn_locators_initialize): Ditto.
6471 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6472 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6473 (execute_late_warn_uninitialized): Ditto.
6474 * rtl.h (cleanup_barriers): Ditto.
6475 (split_all_insns_noflow): Ditto.
6476 (purge_line_number_notes): Ditto.
6477 (unshare_all_rtl): Ditto.
6478 (remove_unnecessary_notes): Ditto.
6479 (recompute_reg_usage): Ditto.
6480 (variable_tracking_main): Ditto.
6481 * integrate.c (emit_initial_value_sets): Ditto.
6482 * integrate.h (emit_initial_value_sets): Ditto.
6483 * tree-optimize.c (execute_free_datastructures): Ditto
6484 (execute_free_cfg_annotations): Ditto.
6485 (execute_fixup_cfg): Ditto.
6486 (execute_cleanup_cfg_pre_ipa): Ditto.
6487 (execute_cleanup_cfg_post_optimizing): Ditto.
6488 (execute_init_datastructures): Ditto.
6489 * tree-object-size.c (compute_object_sizes): Ditto.
6490 * combine.c (rest_of_handle_combine): Ditto.
6491 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6492 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6493 (rest_of_handle_reorder_blocks): Ditto.
6494 (rest_of_handle_partition_blocks): Ditto.
6495 * var-tracking.c (variable_tracking_main): Ditto.
6496 * tree-profile.c (tree_profiling): Ditto.
6497 * tree-vect-generic.c (expand_vector_operations): Ditto.
6498 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6499 * sched-rgn.c (rest_of_handle_sched): Ditto.
6500 (rest_of_handle_sched2): Ditto.
6501 * basic-block.h (free_bb_insn): Ditto.
6502 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6503 * tree-cfg.c (execute_build_cfg): Ditto.
6504 (remove_useless_stmts): Ditto.
6505 (split_critical_edges): Ditto.
6506 (execute_warn_function_return): Ditto.
6507 (execute_warn_function_noreturn): Ditto.
6508 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6509 * cfgrtl.c (free_bb_for_insn): Ditto.
6510 * passes.c (execute_one_pass): Run additional
6511 todos returned by execute function.
6512 * tree-pass.h (struct tree_opt_pass): Make execute
6515 2006-03-02 Richard Guenther <rguenther@suse.de>
6517 * tree-ssa-alias.c (find_used_portions): Consider taking
6518 the address as making the variable not write-only.
6520 2006-03-02 Nick Clifton <nickc@redhat.com>
6522 * config.gcc (default_use_cxa_atexit): Extend the description of
6523 this configure variable. Set its default value to "yes" for
6524 Linux, NetBSD and ELF targets on the assumption that they will
6525 use C libraries with the __cxa_atexit function.
6527 2006-03-02 Ben Elliston <bje@au.ibm.com>
6529 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6530 parameter as unused to suppress a build warning.
6532 2006-03-02 Ben Elliston <bje@au.ibm.com>
6534 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6537 2006-03-01 Roger Sayle <roger@eyesopen.com>
6540 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6541 declared name, the weak reference name, and the typeof name.
6542 (__gthrw): Avoid expanding the declared name suffix.
6543 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6545 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6547 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6549 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6550 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6551 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6552 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6553 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6554 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6555 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6556 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6557 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6558 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6559 (DW_END_default, DW_END_big, DW_END_little): New.
6560 (DW_END_lo_user, DW_END_hi_user): Define.
6561 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6562 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6563 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6566 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6568 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6570 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6572 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6574 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6576 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6577 to 'symbol_mem_tag'.
6579 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6582 2006-03-01 Roger Sayle <roger@eyesopen.com>
6584 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6586 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6589 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6590 MACHO_DYNAMIC_NO_PIC_P.
6591 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6593 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6596 * config/darwin-protos.h (darwin_asm_output_anchor):
6598 * config/darwin-sections.def (cstring_section):
6599 Add SECTION_MERGE to the flags.
6600 (literal4_section): Likewise.
6601 (literal8_section): Likewise.
6602 (objc_selector_refs_section): Likewise.
6603 (objc_cls_refs_section): Likewise.
6604 * config/darwin.c (darwin_asm_output_anchor): New
6606 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6608 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6610 Fix PR tree-optimization/26443
6611 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6612 to todo and PROP_tmt_usage to properties_destroyed.
6613 * tree-ssa-ccp.c (pass_ccp): Ditto.
6614 (pass_store_ccp): Ditto.
6615 * tree-ssa-dom.c (pass_dominator): Ditto.
6617 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6619 * tree-ssa-operands.c: Cleanup whitespace.
6620 (get_asm_expr_operands): Move before first invocation.
6621 (get_indirect_ref_operands): Likewise.
6622 (get_tmr_operands): Likewise.
6623 (get_call_expr_operands): Likewise.
6624 (append_def): Likewise.
6625 (append_use): Likewise.
6626 (append_v_may_def): Likewise.
6627 (append_v_must_def): Likewise.
6628 (add_call_clobber_ops): Likewise.
6629 (add_call_read_ops): Likewise.
6630 (add_stmt_operand): Likewise.
6631 (add_virtual_operand): Likewise.
6632 (build_ssa_operands): Likewise.
6634 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6639 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6640 with a call expr to ...
6641 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6643 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6645 * tree-vrp.c (extract_range_from_assert): Remove special
6646 handling for types with super-types.
6648 2006-03-01 Ben Elliston <bje@au.ibm.com>
6650 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6651 and powerpc64-*-linux* configurations.
6652 * config/t-dfprules: New file.
6654 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6655 Compile dfp-bit.c from the source directory using -DWIDTH and
6656 $DFP_CFLAGS to control the compilation of that file, rather than
6657 generating width-specific versions in the build directory.
6658 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6659 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6661 2006-02-28 Zack Weinberg <zackw@panix.com>
6663 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6666 2006-02-28 Eric Christopher <echristo@apple.com>
6668 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6669 Set up IN_LIBGCC definition of TARGET_64BIT.
6670 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6672 2006-02-28 Roger Sayle <roger@eyesopen.com>
6675 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6676 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6677 cases via the construction of "expr != 0".
6679 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6681 * alias.c (alias_invariant, alias_invariant_size): Remove.
6682 (record_base_value): Remove.
6683 (memrefs_conflict_p): Don't look at alias_invariant.
6684 (end_alias_analysis): Don't free it.
6685 * alias.h (record_base_value): Remove prototype.
6687 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6688 Adam Nemet <anemet@caviumnetworks.com>
6690 * rtl.h (truncated_to_mode): Declare it.
6691 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6692 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6693 (RTL_HOOKS_INITIALIZER): Include it.
6694 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6695 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6696 reg_truncated_to_mode.
6697 * rtlanal.c (truncated_to_mode): Define it.
6698 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6700 2006-02-28 Jeff Law <law@redhat.com>
6702 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6703 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6704 the range allowed by TYPE_PRECISION.
6706 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6708 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6710 PR tree-optimization/26419
6711 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6714 2006-02-27 Zack Weinberg <zackw@panix.com>
6716 * doc/md.texi: Fix typo in previous change.
6718 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6722 2006-02-27 Zack Weinberg <zackw@panix.com>
6724 * rtl.def (define_constraint, define_register_constraint)
6725 (define_memory_constraint, define_address_constraint): New MD forms.
6726 * gensupport.c (process_rtx): Put define_constraint etc on the
6728 * genpreds.c (process_define_predicate): Adjust comment. Validate
6729 the name, and call validate_exp to validate the expression.
6730 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6731 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6732 all callers changed.
6733 (validate_exp, needs_variable, struct constraint_data)
6734 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6735 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6736 (const_dbl_constraints, constraint_max_namelen)
6737 (have_register_constraints, have_memory_constraints)
6738 (have_address_constraints, have_address_constraints)
6739 (have_extra_constraints, have_const_int_constraints)
6740 (have_const_dbl_constraints, mangle, add_constraint)
6741 (process_define_constraint, process_define_register_constraint)
6742 (write_enum_constraint_num, write_lookup_constraint)
6743 (write_insn_constraint_len, write_regclass_for_constraint)
6744 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6745 (write_insn_extra_memory_constraint)
6746 (write_insn_extra_address_constraint)
6747 (write_satisfies_constraint_fns): New.
6748 (write_tm_preds_h): If we have new-style constraint definitions,
6749 prototype the functions generated from them, and define the
6750 old constraint interface (still used by generic code) in terms of
6752 (write_insn_preds_c): If we have new-style constraint definitions,
6753 generate all relevant functions from those definitions.
6754 (main): Handle define_constraint etc.
6755 * genoutput.c (struct constraint_data, indep_constraints)
6756 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6757 (mdep_constraint_len): New data structures and functions, defined
6758 #ifdef USE_MD_CONSTRAINTS.
6759 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6760 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6761 use new logic to validate operand constraints against constraint
6763 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6765 * defaults.h: If none of the old-style constraint macros are
6766 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6767 old-style macros; and poison REG_CLASS_FROM_LETTER,
6768 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6770 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6771 * doc/md.texi: Document new constraint-definition mechanism and the
6772 C interface it provides. Remove references to old mechanism
6773 elsewhere in the document.
6774 (Machine Constraints): Use pathnames relative to gcc directory,
6775 i.e. config/ARCH/FILE. Change i386 section to refer to
6776 config/i386/predicates.md; update that section to match docstrings.
6777 * doc/tm.texi: Move all documentation of the old constraint-
6778 definition macros to their own section, clearly mark as obsolete.
6780 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6781 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6783 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6784 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6785 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6787 (splits and peepholes): Use satisfies_constraint_*.
6788 * config/i386/i386.c (memory_address_length)
6789 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6791 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6793 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6794 scalar operation to be put back into the loop.
6796 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6799 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6800 (extract_cie_info): Handle S flag in augmentation string.
6801 (execute_cfa_program): If context->signal_frame, execute also
6802 fs->pc == context->ra instructions.
6803 (uw_frame_state_for): If context->signal_frame, don't subtract one
6804 from context->ra to find FDE.
6805 (uw_update_context_1): Set context->signal_frame to
6807 (_Unwind_GetIPInfo): New function.
6808 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6809 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6811 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6812 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6813 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6814 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6815 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6816 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6817 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6818 x86_64_fallback_frame_state): Set fs->signal_frame.
6819 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6820 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6821 (frob_update_context): Likewise. Workaround missing S flag in
6822 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6823 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6824 Remove the psw_addr + 1 hack.
6826 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6828 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6829 with aggregates here.
6830 (find_func_aliases): Remove code for &<aggregate> from here.
6832 2006-02-26 Roger Sayle <roger@eyesopen.com>
6834 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6835 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6836 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6839 2006-02-26 Roger Sayle <roger@eyesopen.com>
6842 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6844 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6846 * opts.c (decode_options): Do not handle flag_strength_reduce.
6847 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6848 and OPT_fstrength_reduce.
6849 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6850 flag_prefetch_loop_arrays for being nonzero.
6851 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6853 (fprefetch-loop-arrays-rtl): Removed.
6854 (flag_prefetch_loop_arrays): Do not specify the value.
6856 * doc/passes.texi: Update documentation of loop optimizer
6858 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6859 -frerun-loop-opt): Remove.
6861 2006-02-26 Richard Guenther <rguenther@suse.de>
6863 PR tree-optimization/26421
6864 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6865 in function calls that are ADDR_EXPRs as using the whole structure.
6867 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6869 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6870 * tree-pass.h (pass_loop_optimize): Remove.
6871 * passes.c (pass_loop_optimize): Never run it.
6872 * toplev.c (backend_init): Don't call init_loop.
6873 * opts.c (flag_loop_optimize_set): Remove.
6874 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6875 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6876 the old RTL loop optimizer when profiling enabled.
6877 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6878 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6879 pre-headers for the sake of the old RTL loop optimizer.
6880 * Makefile.in: Remove all references to loop.o.
6882 * doc/invoke.texi: Remove all references to -floop-optimize
6883 and -frerun-loop-opt.
6885 2006-02-26 Zack Weinberg <zackw@panix.com>
6887 * doc/md.texi (Machine Constraints): Refer to all files with paths
6888 relative to gcc directory (i.e. config/CPU/file). Add missing
6889 @table @code ... @end table to M32C subsection.
6891 2006-02-26 Roger Sayle <roger@eyesopen.com>
6893 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6895 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6897 2006-02-26 Roger Sayle <roger@eyesopen.com>
6898 James A. Morrison <phython@gcc.gnu.org>
6901 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6902 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6903 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6904 signedness of the shift operation.
6906 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6908 PR tree-optimization/26359
6909 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6911 2006-02-25 Roger Sayle <roger@eyesopen.com>
6913 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6914 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6915 as X == 0, and some symmetry related transformations.
6916 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6918 2006-02-25 Roger Sayle <roger@eyesopen.com>
6921 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6922 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6923 symmetry related transformations. Fold (X^C1) == C2 as
6926 2006-02-25 Juergen Weigert <jw@suse.de>
6927 Richard Guenther <rguenther@suse.de>
6929 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6931 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6933 * combine.c (gen_lowpart_or_truncate): Call
6934 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6936 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6938 * doc/invoke.texi: Move -fopenmp description to "Options for
6940 Remove reference to -lgomp.
6942 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6944 * doc/install.texi: Require GNU tar version 1.14.
6946 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6948 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6949 * doc/invoke.texi (C++ Dialect Options): Document
6950 -fno-use-cxa-get-exception-ptr.
6951 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6952 * configure: Regenerate.
6953 * c.opt (fuse-cxa-get-exception-ptr): New.
6954 * c-opts.c (c_common_handle_option): Handle
6955 OPT_fuse_cxa_get_exception_ptr.
6956 * c-common.c (flag_use_cxa_atexit): Update documentation.
6957 (flag_use_cxa_get_exception_ptr): New.
6958 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6959 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6961 (C_COMMON_OVERRIDE_OPTIONS): New.
6963 2006-02-24 Roger Sayle <roger@eyesopen.com>
6966 * combine.c (try_combine): Explicitly check whether GET_CODE is
6967 a SET or a CLOBBER, instead on checking that it isn't a USE.
6969 2006-02-24 Roger Sayle <roger@eyesopen.com>
6971 * fold-const.c (fold_comparison): New subroutine of fold_binary
6972 containing transformations common to both the equality and
6973 ordering relational operators, factored out of fold_binary.
6974 (fold_binary): Separate out the equality operators (EQ_EXPR
6975 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6976 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6977 transformations common to both.
6978 (fold_div_compare): Fix latent bugs in the previously unreachable
6979 LT_EXPR and GE_EXPR cases.
6981 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6983 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6984 decl libname for clog to __clog on AIX.
6986 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6988 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6991 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6992 output traceback table for thunks. Localise rs6000_stack_info call.
6994 2006-02-23 Roger Sayle <roger@eyesopen.com>
6995 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6997 * gthr-posix.h (__gthrw): Fix typo in comment.
6999 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7001 * doc/cpp.texi (Character sets): Document that we do support
7002 input files to be in any character set.
7004 2006-02-23 Jeff Law <law@redhat.com>
7006 * tree.h (PHI_ARG_NONZERO): Remove.
7007 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7008 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7009 node to the new node.
7011 PR tree-optimization/26425
7012 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7013 min/max, then assume its varying.
7015 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7017 PR rtl-optimization/26316
7018 * rtlanal.c (enum may_trap_p_flags): New.
7019 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7020 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7021 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7022 (may_trap_after_code_motion_p): New function.
7023 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7024 (find_invariant_insn): Use may_trap_after_code_motion_p.
7025 * rtl.h (may_trap_after_code_motion_p): Declare.
7027 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7029 * emit-rtl.c (immed_double_const): Cleanup.
7031 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7033 Fix PR tree-optimization/26376
7034 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7037 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7040 * gimplify.c (omp_add_variable): Guard variable size decl test with
7041 DECL_SIZE (decl) check.
7043 2006-02-23 Richard Guenther <rguenther@suse.de>
7046 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7047 like aggregate types.
7049 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7051 * configure.ac: Add --with{,out}-long-double-128 configure option.
7052 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7053 * configure: Rebuilt.
7054 * config.in: Rebuilt.
7055 * doc/install.texi (Options specification): Document
7056 --with-long-double-128.
7058 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7059 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7060 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7061 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7063 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7065 * config/s390/s390.c (override_options): Handle
7066 TARGET_DEFAULT_LONG_DOUBLE_128.
7068 * config/alpha/alpha.c (override_options): Handle
7069 TARGET_DEFAULT_LONG_DOUBLE_128.
7071 * config/sparc/sparc.c (sparc_override_options): Handle
7072 TARGET_DEFAULT_LONG_DOUBLE_128.
7074 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7076 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7077 (real-install-headers-tar, real-install-headers-cpio)
7078 (real-install-headers-cp): New targets.
7080 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7082 * tree.h (variable_section): Delete.
7083 * varasm.c (variable_section): Delete.
7085 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7087 * install.texi: Add notes on install.texi2html.
7088 (Building in parallel): Do not use footnotes.
7090 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7093 * doc/install.texi (Configuration): Document --disable-libgomp.
7095 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7097 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7099 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7101 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7102 (vec_extractv2df_0_sse): New.
7104 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7106 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7107 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7108 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7109 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7110 to the result of the expression.
7111 (def_cfa_1): Adjust.
7112 (frame_pointer_cfa_offset): Rename to...
7113 (frame_pointer_fb_offset): ... this. Adjust all uses.
7114 (convert_cfa_to_loc_list): Rename to...
7115 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7116 Pass it on to build_cfa_loc.
7117 (compute_frame_pointer_to_cfa_displacement): Rename to...
7118 (compute_frame_pointer_to_fb_displacement): ... this. New
7119 offset parameter. Use it in computation.
7120 (gen_subprogram_die): Compute cfa_fb_offset with the new
7121 macro, and use it to compute the fb loc list and the
7124 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7126 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7127 replaced with register_operand.
7128 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7129 non-DREG is expensive.
7130 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7131 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7134 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7136 * doc/install.texi2html: Use set -e.
7138 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7140 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7141 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7142 * doc/invoke.texi (-fshared-data): Delete.
7143 * common.opt (fshared-data): Delete.
7144 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7145 (assemble_static_space): Remove #if 0 code.
7146 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7147 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7148 * config/cris/cris.h: Remove FIXME.
7150 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7152 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7155 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7158 * combine.c (simplify_shift_const_1): Disable nested shifts
7159 optimization for vector shifts.
7161 2006-02-20 Roger Sayle <roger@eyesopen.com>
7163 PR tree-optimization/26361
7164 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7165 of unsigned integer types.
7167 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7169 * tree-chrec.c (eq_evolutions_p): New.
7170 * tree-chrec.h (eq_evolutions_p): Declared.
7171 * tree-data-ref.c: Fix formatting.
7172 (datadep_stats, dependence_stats): New.
7174 (print_direction_vector): New.
7175 (dump_data_dependence_relation): Use print_direction_vector.
7176 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7177 (compute_subscript_distance): Static.
7178 (initialize_data_dependence_relation): Static. Get the number
7179 of loops surrounding the references from the callers, and initialize
7180 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7181 base_object_differ_p analyzers.
7182 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7183 compute_overlap_steps_for_affine_1_2,
7184 analyze_subscript_affine_affine): Count the classified dependences.
7185 Print a message when a test failed.
7186 (can_use_analyze_subscript_affine_affine): New.
7187 (analyze_siv_subscript): Compute the data dependences on symbolic
7188 scevs that verify can_use_analyze_subscript_affine_affine.
7189 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7190 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7191 Handle symbolic scevs.
7192 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7194 (subscript_dependence_tester): Moved...
7195 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7196 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7197 DDR_SIZE_VECT instead of getting it in parameter.
7198 (subscript_dependence_tester): ... here. Take as a parameter
7199 loop_nest_depth. Call build_classic_dist_vector and
7200 build_classic_dir_vector.
7201 (compute_affine_dependence): Update subscript_dependence_tester
7202 parameters. Update datadep_stats counters. Call
7203 compute_subscript_distance.
7204 (compute_self_dependence): Save the dist and dir vectors. Call
7205 compute_subscript_distance.
7206 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7207 (compute_all_dependences): Reorder parameters as they were before
7208 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7209 compute_subscript_distance. Update the use of
7210 compute_affine_dependence and initialize_data_dependence_relation.
7211 (find_data_references_in_loop): Handle COMPONENT_REF.
7212 (compute_data_dependences_for_loop): Initialize dependence_stats.
7213 Don't call build_classic_dist_vector and build_classic_dir_vector.
7214 Update the parameters of initialize_data_dependence_relation and
7215 compute_all_dependences. Print the statistics from datadep_stats.
7216 (analyze_all_data_dependences): Static. Not used until the pass for
7217 checking the data dependences is contributed.
7218 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7219 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7220 (initialize_data_dependence_relation, compute_affine_dependence,
7221 analyze_all_data_dependences, compute_subscript_distance): Removed.
7222 (print_direction_vector): New.
7223 * lambda.h (gcd): ... here.
7224 (lambda_vector_gcd): Moved here from gcd_vector.
7225 * lambda-code.c (gcd, gcd_vector): Removed.
7226 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7227 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7229 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7231 * ipa-type-escape.c: Tidy some comments and white space.
7232 * tree-ssa-operands.c: Likewise.
7234 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7237 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7238 (dump_decl_name): Do not walk the decl tree chains.
7239 * tree-pass.h (TDF_CHAIN): Remove.
7241 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7243 * Makefile.in (C): Remove
7245 (.PHONY): Remove C and PROTO
7247 2006-02-20 Roger Sayle <roger@eyesopen.com>
7250 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7251 deprecated CHAR_TYPE tree code.
7253 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7255 * configure.ac (target_list): Add install-info, dvi, html.
7256 * configure: Regenerate.
7258 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7259 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7260 treelang/Make-lang.in: Do not use double-colon rules.
7262 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7264 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7265 (TMT_USED_ALONE): New macro.
7266 * tree-pass.h (PROP_tmt_usage): New property.
7267 (TODO_update_tmt_usage): New todo.
7268 * tree-ssa-alias.c (updating_used_alone): New variable.
7269 (recalculate_used_alone): New function.
7270 (compute_may_aliases): Set updating_used_alone, call
7271 recalculate_used_alone.
7272 * tree-sra.c (pass_sra): Note that this pass destroys
7273 PROP_tmt_usage, and add TODO_update_tmt_usage.
7274 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7275 * tree-flow.h (updating_used_alone): Prototype.
7276 (recalculate_used_alone): Ditto.
7277 * passes.c (execute_todo): Add code to set updating_used_alone,
7278 and call recalculate.
7279 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7280 for clobber if used alone, and add assert to verify used_alone
7283 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7285 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7286 for non tls symbols added.
7287 (legitimize_address): Do nothing for PLUS expressions if one of the
7288 addends is a tls symbol reference.
7290 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7294 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7296 * Makefile.in (BOOTSTRAPPING): New.
7297 (quickstrap): New definition if BOOTSTRAPPING=yes.
7299 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7300 * configure.ac: Substitute all_selected_languages with the languages
7301 that were configured. For all the other variables except
7302 lang_specs_files, include all the languages in the tree.
7303 * configure: Regenerate.
7305 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7306 if there is one. Run the commands to run fixincludes in the same
7309 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7310 * doc/install.texi: Document exact conventions for searching target tools.
7311 Document --with-build-time-tools. Document toplevel bootstrap. Document
7312 something more about building an Ada cross-compiler. Don't list GNU Make
7313 requirements which affect all platforms.
7315 2006-02-19 Roger Sayle <roger@eyesopen.com>
7318 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7319 only equivalent if the have both the same mode and precision.
7321 2006-02-20 Ben Elliston <bje@au.ibm.com>
7323 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7325 2006-02-19 Roger Sayle <roger@eyesopen.com>
7326 Steven Bosscher <stevenb.gcc@gmail.com>
7328 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7329 constant pool references to identify stack mode constants.
7330 * rtlanal.c (constant_pool_constant_p): New predicate to check
7331 whether operand is a floating point constant in the pool.
7332 * rtl.h (constant_pool_constant_p): Prototype here.
7333 * loop.c (scan_loop): Avoid hoisting constants from the constant
7334 pool on STACK_REGS targets.
7335 (load_mems): Likewise.
7336 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7337 loads into x87 registers expensive in terms of register pressure.
7339 2006-02-19 Roger Sayle <roger@eyesopen.com>
7341 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7342 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7344 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7346 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7347 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7349 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7351 * doc/invoke.texi: Document -fipa-pta.
7352 * common.opt: Add ipa-pta option.
7353 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7354 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7355 (do_ds_constraint): Ditto.
7356 (get_constraint_for): Only add to referenced_vars if
7357 referenced_vars exists.
7358 (insert_into_field_list): Rewrite to do this unsorted.
7359 (insert_into_field_list_sorted): Rename old insert_into_field_list
7361 (create_function_info_for): Use insert_into_field_list_sorted.
7362 (create_variable_info_for): Rewrite so it uses unsorted version,
7363 since the field list is sorted.
7364 (intra_create_variable_infos): Only add to referenced_vars if
7365 referenced_vars exists.
7366 (ipa_pta_execute): Init heapvars, and delete when done.
7367 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7369 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7371 * doc/install.texi: Add missing `@samp'.
7373 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7375 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7378 2006-02-18 Mark Wielaard <mark@klomp.org>
7380 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7381 who added new 4.1 features, bug fixes and integration support.
7383 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7386 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7389 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7391 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7392 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7393 (copy_insn_1): Likewise. Don't copy each field individually.
7395 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7397 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7398 * rtl.c (rtx_size): Rename variable to...
7399 (rtx_code_size): ...this.
7400 (rtx_size): New function.
7401 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7402 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7404 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7405 * rtl.h (rtx_code_size): New variable.
7406 (rtx_size): Change from a variable to a function.
7407 (RTX_SIZE): Rename to...
7408 (RTX_CODE_SIZE): ...this.
7411 PR tree-optimization/17106
7412 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7413 (Anchored Addresses): New section.
7414 * doc/invoke.texi (-fsection-anchors): Document.
7415 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7416 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7417 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7418 * hooks.c (hook_bool_mode_rtx_false): New function.
7419 * hooks.h (hook_bool_mode_rtx_false): Declare.
7420 * gengtype.c (create_optional_field): New function.
7421 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7422 SYMBOL_REF_IN_BLOCK_P is true.
7423 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7424 (min_anchor_offset, max_anchor_offset): Likewise.
7425 (use_anchors_for_symbol_p): New hook.
7426 * toplev.c (compile_file): Call output_object_blocks.
7427 (target_supports_section_anchors_p): New function.
7428 (process_options): Check that -fsection-anchors is only used on
7429 targets that support it and when -funit-at-a-time is in effect.
7430 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7431 if the decl doesn't have one.
7432 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7433 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7434 of force_const_mem through use_anchored_address.
7435 (expand_expr_constant): New function.
7436 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7437 calling expand_expr for INDIRECT_REF.
7438 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7439 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7440 * expr.h (use_anchored_address): Declare.
7441 * loop-unroll.c: Don't declare rtx vectors here.
7442 * explow.c: Include output.h.
7443 (validize_mem): Call use_anchored_address.
7444 (use_anchored_address): New function.
7445 * common.opt (-fsection-anchors): New switch.
7446 * varasm.c (object_block_htab, anchor_labelno): New variables.
7447 (hash_section, object_block_entry_eq, object_block_entry_hash)
7448 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7449 (use_blocks_for_decl_p, change_symbol_section): New functions.
7450 (get_variable_section): New function, split out from assemble_variable.
7451 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7452 use_blocks_for_decl_p say so. Use change_symbol_section if the
7453 symbol has already been created.
7454 (assemble_variable_contents): New function, split out from...
7455 (assemble_variable): ...here. Don't output any code for
7456 block symbols; just pass them to place_block_symbol.
7457 Use get_variable_section and assemble_variable_contents.
7458 (get_constant_alignment, get_constant_section, get_constant_size): New
7459 functions, split from output_constant_def_contents.
7460 (build_constant_desc): Create a block symbol if use_object_blocks_p
7461 says so. Or into SYMBOL_REF_FLAGS.
7462 (assemble_constant_contents): New function, split from...
7463 (output_constant_def_contents): ...here. Don't output any code
7464 for block symbols; just pass them to place_section_symbol.
7465 Use get_constant_section and get_constant_alignment.
7466 (force_const_mem): Create a block symbol if use_object_blocks_p and
7467 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7468 (output_constant_pool_1): Add an explicit alignment argument.
7469 Don't switch sections here.
7470 (output_constant_pool): Adjust call to output_constant_pool_1.
7471 Switch sections here instead. Don't output anything for block symbols;
7472 just pass them to place_block_symbol.
7473 (init_varasm_once): Initialize object_block_htab.
7474 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7475 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7476 (place_block_symbol, get_section_anchor, output_object_block)
7477 (output_object_block_htab, output_object_blocks): New functions.
7478 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7479 (TARGET_ASM_OUT): Include it.
7480 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7481 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7482 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7483 (TARGET_INITIALIZER): Include them.
7484 * rtl.c (rtl_check_failed_block_symbol): New function.
7485 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7486 (block_symbol, object_block): New structures.
7487 (rtx_def): Add a block_symbol field to the union.
7488 (BLOCK_SYMBOL_CHECK): New macro.
7489 (rtl_check_failed_block_symbol): Declare.
7490 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7491 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7492 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7493 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7494 * output.h (output_section_symbols): Declare.
7495 (object_block): Name structure.
7496 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7497 (default_use_anchors_for_symbol_p): Declare.
7498 * Makefile.in (RTL_BASE_H): Add vec.h.
7499 (explow.o): Depend on output.h.
7500 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7501 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7502 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7503 (rs6000_use_blocks_for_constant_p): New function.
7505 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7507 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7509 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7512 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7515 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7517 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7521 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7524 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7525 instead of DECL_REGISTER.
7527 2006-02-18 Olivier Hainque <hainque@adacore.com>
7530 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7532 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7535 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7536 * opth-gen.awk: Handle Var and InverseMask together.
7537 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7538 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7539 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7540 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7542 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7543 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7544 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7545 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7546 LINUX_DYNAMIC_LINKER): Define.
7547 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7548 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7550 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7551 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7552 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7554 (TARGET_C99_FUNCTIONS): Don't define.
7555 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7556 GLIBC_DYNAMIC_LINKER.
7557 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7558 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7559 GLIBC_DYNAMIC_LINKER64): Define.
7560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7561 LINUX_DYNAMIC_LINKER64.
7562 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7564 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7566 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7568 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7569 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7570 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7572 and LINUX_DYNAMIC_LINKER32.
7573 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7575 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7577 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7579 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7580 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7581 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7582 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7583 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7584 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7585 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7586 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7587 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7588 LINUX_DYNAMIC_LINKER): Define.
7589 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7590 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7591 GLIBC_DYNAMIC_LINKER64): Define.
7592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7593 LINUX_DYNAMIC_LINKER64.
7594 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7595 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7596 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7597 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7598 LINUX_DYNAMIC_LINKER): Define.
7599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7600 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7601 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7602 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7603 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7604 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7605 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7606 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7607 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7608 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7610 * doc/invoke.texi (-muclibc): Remove caveat about supported
7613 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7615 * doc/cpp.texi (__TIMESTAMP__): Document.
7617 2006-02-17 Roger Sayle <roger@eyesopen.com>
7620 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7621 C is one less than the width of X (and related transformations).
7622 * simplify-rtx.c (simplify_unary_operation_1): Transform
7623 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7624 depending on STORE_FLAG_VALUE, were C is one less then the
7627 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7629 Fix PR tree-optimization/26341
7630 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7631 about NAME_MEMORY_TAG's.
7633 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7636 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7637 with hardware float support, and software float support. Add fcpy
7638 alternative to hardware patterns. Add alternatives to copy between
7639 general and floating-point registers to the 32-bit pattern.
7640 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7641 secondary reload to load a QI or HI mode constant into a floating
7643 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7644 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7646 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7649 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7651 (load_macho_picbase_di): Likewise.
7653 2006-02-16 Jeff Law <law@redhat.com>
7655 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7656 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7657 (ssa_name_nonzero_p): Likewise.
7658 (get_value_range): Return NULL if VRP is not running.
7659 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7660 VRP routines do not discover a range.
7661 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7662 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7663 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7664 (tree_expr_nonnegative_p): Similarly.
7665 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7666 (restore_nonzero_vars_to_original_value): Remove.
7667 (unsafe_associative_fp_binop): Remove.
7668 (tree_ssa_dominator_optimize): Remove initialization and
7669 finalization of nonzero_vars and nonzero_vars_stack.
7670 (dom_opt_initialize_block): No longer push marker on
7672 (dom_opt_finalize_block): No longer call
7673 restore_nonzero_vars_to_original_value.
7674 (record_equivalences_from_phis): No longer look for
7675 nonzero PHI arguments.
7676 (cprop_into_successor_phis): No longer propagate nonzero
7677 property into PHI arguments. Lose unused argument. Caller
7679 (record_equivalences_from_stmt): No longer record nonzero
7680 values for SSA_NAMEs.
7681 (lookup_avail_expr): No longer use nonzero_vars.
7683 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7684 for sizetype when sizetype is unsigned.
7686 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7688 PR rtl-optimization/25603
7689 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7690 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7691 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7692 with new meaning of SETS.
7694 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7699 * config/linux.opt: New file.
7700 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7701 LINUX_DYNAMIC_LINKER): Define.
7702 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7703 * config.gcc (*-*-linux*): Define extra_options.
7704 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7705 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7706 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7707 GLIBC_DYNAMIC_LINKER.
7708 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7709 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7710 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7712 * doc/invoke.texi (GNU/Linux Options): New section.
7714 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7716 * config/sparc/sparc.md (setjmp): Rewrite.
7717 (setjmp_32): Delete.
7718 (setjmp_64): Likewise.
7720 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7722 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7725 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7727 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7730 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7732 PR rtl-optimization/26296
7733 * Makefile.in (loop-invariant.c): Add except.h dependency.
7734 * loop-invariant.c: Include except.h.
7735 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7737 2005-02-16 Paul Brook <paul@codesourcery.com>
7739 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7742 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7744 PR rtl-optimization/25636
7745 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7746 when deciding whether an insn is an initializing insn.
7748 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7750 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7751 (tree_code_size): Ditto.
7752 * tree.h (struct tree_memory_tag): Remove parent_var.
7753 (struct tree_struct_field_tag): New.
7756 (union tree_node): Add sft member.
7757 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7759 (create_sft): Add size and offset argument, set SFT_OFFSET and
7761 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7762 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7763 * tree-flow-inline.h (get_subvar_at): Update for
7764 SFT_OFFSET/SFT_SIZE.
7765 (var_can_have_subvars): Ditto.
7766 (overlap_subvar): Ditto.
7767 * print-tree.c (print_node): Print out interesting things for
7769 * tree-flow.h (struct subvar): Remove offset and size members.
7770 * tree-ssa-operands.c (get_expr_operands): Update for
7771 get_indirect_ref_operands changes.
7772 (get_indirect_ref_operands): Call add_virtual_operand instead of
7773 add_stmt_operand. Only recurse on base var if requested.
7774 (access_can_touch_variable): New function.
7775 (add_stmt_operand): Split virtual operand handling into ...
7776 (add_virtual_operand): Here. Add offset, size, and for_clobber
7777 arguments. Prune alias sets.
7778 (add_call_clobber_ops): Call add_virtual_operand.
7780 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7783 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7785 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7786 than TREE_CODE as index into omp_clause_num_ops array.
7788 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7790 PR rtl-optimization/26184
7791 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7793 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7794 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7795 must_precede, must_follow and tobe_scheduled.
7798 * opts.c (common_handle_option): Free new_option pointer.
7799 * df-core.c (df_analyze): Free postorder pointer.
7801 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7803 * Makefile.in: Fix the examples about the use of stamps
7805 2006-02-15 Michael Matz <matz@suse.de>
7809 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7810 influenced by maximum_field_alignment or DECL_PACKED.
7811 (update_alignment_for_field): Ditto.
7812 (place_field): Ditto.
7813 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7816 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7818 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7819 (debug_flow_info): Pass it.
7820 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7821 * bb-reorder.c (reorder_basic_blocks): Likewise.
7822 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7823 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7824 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7825 * gcse.c (gcse_main, bypass_jumps): Likewise.
7826 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7827 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7828 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7829 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7830 * rtl.h (dump_flow_info): Adjust prototype.
7831 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7832 * var-tracking.c (variable_tracking_main): Likewise.
7833 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7834 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7837 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7839 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7842 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7844 PR tree-optimization/26209
7845 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7846 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7848 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7850 2006-02-14 Roger Sayle <roger@eyesopen.com>
7853 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7854 (X,Y) and the corresponding symmetry related transformations.
7855 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7856 (X,Y) and its symmetry related transformations.
7858 2006-02-14 Roger Sayle <roger@eyesopen.com>
7860 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7863 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7865 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7867 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7870 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7871 support COMDAT group.
7872 * configure: Regenerate.
7874 2006-02-14 Roger Sayle <roger@eyesopen.com>
7879 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7881 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7883 Fix PR tree-optimization/26260
7885 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7887 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7888 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7889 * tree-ssa-structalias.c (create_variable_info_for): Use
7890 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7892 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7894 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7896 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7897 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7898 of the ending condition.
7899 * tree-ssa-loop-manip.c: Include params.h.
7900 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7901 tree_unroll_loop): New functions.
7902 * tree-pass.h (pass_loop_prefetch): Declare.
7903 * loop.c (rest_of_handle_loop_optimize): Test for
7904 -fprefetch-loop-arrays-rtl.
7905 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7906 * timevar.def (TV_TREE_PREFETCH): New timevar.
7907 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7908 pass_loop_prefetch): New.
7909 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7910 (cleanup_tree_cfg_loop): Call scev_reset.
7911 * common.opt (fprefetch-loop-arrays-rtl): Add.
7912 * tree-ssa-loop-prefetch.c: New file.
7913 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7914 (new_temp_expr_table): Initialize expr_vars.
7915 (free_temp_expr_table): Cleanup expr_vars.
7916 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7917 expressions from being merged into one.
7918 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7919 (struct tree_niter_desc): Add control, bound and cmp fields.
7920 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7922 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7923 (tree-cfgcleanup.o): Add SCEV_H dependency.
7924 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7925 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7927 2006-02-14 Richard Guenther <rguenther@suse.de>
7929 PR tree-optimization/26258
7930 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7931 in PHI argument processing.
7933 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7935 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7936 new expression in the requested machine mode.
7938 2006-02-13 Roger Sayle <roger@eyesopen.com>
7940 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7941 directly, instead let do_compare_rtx_and_jump handle this for us.
7942 * expr.c (expand_expr_real_1): Likewise.
7943 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7944 before do_jump_by_parts_greater.
7945 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7946 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7948 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7950 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7952 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7954 PR rtl-optimization/26235
7955 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7956 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7959 2006-02-13 Jeff Law <law@redhat.com>
7961 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7964 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7967 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7968 twice if decl is a builtin. When trying again, call get_callee_fndecl
7969 first to verify it is still a builtin.
7971 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7973 * dwarf2out.c (base_type_die): Don't add AT_name here.
7974 (subrange_type_die): Don't add AT_name here.
7975 (modified_type_die): Rearrange code flow. Do add AT_name here.
7977 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7979 PR rtl-optimization/26247
7980 PR rtl-optimization/26248
7981 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7983 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7985 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7986 * config/fixtfdi.c: Likewise.
7987 * config/fixunstfdi.c: Likewise.
7988 * config/floatditf.c: Likewise.
7990 2006-02-13 Roger Sayle <roger@eyesopen.com>
7993 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7994 into (X,C2) if C1 is a subset of the bits of C2. Transform
7995 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7997 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7999 2006-02-13 Josh Conner <jconner@apple.com>
8002 * varasm.c (function_section): Check for section name before
8003 calling select_section on targets that define
8004 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8005 unlikely_text_section instead of hot_function_section if
8006 first_function_block_is_cold.
8008 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8011 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8013 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8015 PR rtl-optimization/26222
8016 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8017 after tree->rtl expansion.
8018 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8019 before passing it to emit_move_insn.
8021 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8023 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8025 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8026 Clarify documentation.
8027 * c-common.h (warn_write_strings): Remove.
8028 * c-common.c (warn_write_strings): Likewise.
8029 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8032 2006-02-12 Roger Sayle <roger@eyesopen.com>
8035 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8036 (do_jump_parts_zero_rtx): New function renamed from
8037 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8038 (do_jump_parts_equality_rtx): New function split out from
8039 do_jump_parts_equality. Old implementation renamed as above.
8040 Call do_jump_parts_zero_rtx if either operand is zero.
8041 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8042 do all of the heavy lifting.
8043 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8044 calling either do_jump_by_parts_greater_rtx or
8045 do_jump_by_parts_equality_rtx.
8046 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8047 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8048 moved to do_compare_rtx_and_jump, call it directly.
8049 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8050 mode argument. Call do_compare_rtx_and_jump.
8051 (emit_case_nodes): Update calls to do_jump_if_equal.
8053 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8055 PR rtl-optimization/26225
8056 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8058 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8060 PR rtl-optimization/26232
8061 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8063 2006-02-11 Jason Merrill <jason@redhat.com>
8066 * tree-inline.c (declare_return_variable): Just don't use the
8067 modify target if it's a gimple complex reg and the return slot
8070 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8072 * doc/contrib.texi: Update my entry.
8074 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8076 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8078 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8080 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8083 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8085 * doc/invoke.texi (-floop-optimize2): Removed.
8086 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8087 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8088 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8089 * common.opt (floop-optimize2): Removed.
8090 (fmove-loop-invariants): Enabled by default.
8092 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8094 * tree-if-conv.c (combine_blocks): Free the result of
8095 get_loop_exit_edges.
8097 2006-02-10 Jeff Law <law@redhat.com>
8099 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8101 PR tree-optimization/26213
8102 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8103 loop trying to follow SSA_NAME_VALUE chains.
8105 2006-02-10 Richard Guenther <rguenther@suse.de>
8107 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8108 deal with structures that end in implicitly variable sized arrays.
8110 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8112 PR rtl-optimization/24762
8113 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8116 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8118 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8119 (struct ivopts_data): Add regs_used field.
8120 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8121 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8122 instead of loop_data->regs_used;
8123 (free_loop_data): Do not free aux fields for loops.
8124 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8125 and tree_ssa_iv_optimize_finalize.
8127 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8129 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8131 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8134 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8135 computing the effective result type.
8137 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8140 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8141 (tree_overlaps_hard_reg_set): Declare.
8142 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8143 type and signature to match function type expected by walk_tree.
8144 (tree_overlaps_hard_reg_set): New function.
8145 (decl_conflicts_with_clobbers_p): Rename to:
8146 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8147 Use tree_overlaps_hard_reg_set. Changed caller.
8148 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8149 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8150 * cris.c (cris_md_asm_clobbers): Likewise.
8152 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8154 * reload1.c (emit_input_reload_insns): Delete code that tries to
8155 inherit using find_equiv_reg.
8157 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8159 * c-common.h (flag_const_strings): Don't declare.
8160 * c-common.c (flag_const_strings): Remove.
8161 * c.opt (fconst_strings): Remove.
8162 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8163 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8164 (c_common_init_options): Don't set flag_const_strings.
8165 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8167 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8169 * arm.md (tlobits_cbranch): New pattern.
8170 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8171 testing a single bit.
8173 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8176 * tree-ssa-pre.c (create_component_ref_by_pieces):
8177 Handle RETURN_DECL like VAR_DECL.
8179 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8182 * fold-const.c (fold_indirect_ref_1): Fold
8183 "*(foo *)&complexfoo" to "__real__ complexfoo"
8184 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8186 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8188 * tree-flow-inline.h (var_can_have_subvars):
8189 Volatile variables should not have subvariables.
8191 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8194 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8195 multiplying unsigned values.
8198 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8200 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8202 2006-02-08 Jason Merrill <jason@redhat.com>
8205 * tree.def: Elaborate on difference from MODIFY_EXPR.
8206 * doc/c-tree.texi (INIT_EXPR): Likewise.
8207 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8208 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8209 (gimplify_target_expr): Likewise.
8210 (gimplify_cond_expr): Remove target handling.
8211 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8212 (gimplify_expr): Clobber it here.
8213 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8214 Do return slot optimization if we have an INIT_EXPR.
8217 * tree-inline.c (declare_return_variable): Also clear
8218 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8221 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8224 * gimplify.c (gimplify_one_sizepos): Fix typo.
8226 2006-02-08 Jeff Law <law@redhat.com>
8228 PR tree-optimization/21417
8229 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8230 across a backedge if the control statement at the end of the
8231 block is data dependent on other statements in the same block.
8232 (record_temporary_equivalences_from_stmts): Remove over-conservative
8233 test for threading across backedges.
8235 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8236 control statement, handle all three special cases in the same
8237 manner as they all have the same desired solution. No longer
8238 special case edge flag updating when the post dominator is
8241 2006-02-08 Roger Sayle <roger@eyesopen.com>
8243 * tree.def (CHAR_TYPE): Remove.
8244 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8245 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8246 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8247 (gen_string_type_die): Delete unreachable function.
8249 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8250 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8251 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8252 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8253 * builtins.c (type_to_class): Likewise.
8254 * fold-const.c (fold_convert, build_range_check,
8255 merge_ranges): Likewise.
8256 * expr.c (count_type_elements): Likewise.
8257 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8258 * stor-layout.c (layout_type): Likewise.
8259 * ipa-type-escape.c (type_to_consider): Likewise.
8260 * gimplify.c (omp_firstprivatize_type_sizes,
8261 gimplify_type_sizes): Likewise.
8262 * explow.c (promote_mode): Likewise.
8263 * tree-sra.c (is_sra_scalar_type): Likewise.
8264 * varasm.c (output_constant): Likewise.
8265 * tree-inline.c (remap_type_1): Likewise.
8266 * convert.c (convert_to_pointer, convert_to_real,
8267 convert_to_integer, convert_to_complex): Likewise.
8269 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8271 * df-scan.c (df_def_record_1): A set destination may
8272 be a parallel regardless of mode.
8274 2006-02-08 Roger Sayle <roger@eyesopen.com>
8277 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8278 * config/mips/_tilib.c: Remove.
8279 * config/fixtfdi.c: New libgcc source file.
8280 * config/fixunstfdi.c: New source file.
8281 * config/floatditf.c: New source file.
8282 * config/floatunditf.c: New souce file.
8283 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8284 files above instead of config/mips/_tilib.c.
8285 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8287 2006-02-08 Jeff Law <law@redhat.com>
8289 PR tree-optimization/26169
8290 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8293 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8295 * df.h (DF_REG_SIZE): Return the length of the initialized
8298 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8300 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8301 __muldf3): Return a correctly signed zero.
8303 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8305 * passes.c (register_one_dump_file): Accept the current properties
8306 instead of pass number. Adjust call to dump_register. Remove
8308 (register_dump_files): Now a wrapper around...
8309 (register_dump_files_1): ... this one. Do not modify the pass
8311 (next_pass_1): Cosmetic fix.
8312 (execute_todo): Keep second parameter only. Use curr_properties
8313 instead of fetching it from the pass structure. Check and set
8315 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8316 instead of fetching it from the pass structure. Fix calls to
8317 execute_todo. Update curr_properties and initialize .vcg RTL dump
8318 after running the pass. Reset last_verified.
8319 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8321 (FIRST_AUTO_NUMBERED_DUMP): New.
8322 (dump_register): Remove "num" parameter, assign it within the
8324 (get_dump_file_name): Modify template for dumps.
8325 * tree-dump.h (dump_register): Adjust prototype.
8326 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8327 (PROP_trees): Add PROP_gimple_lomp.
8328 (TODO_set_props): New.
8329 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8330 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8331 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8333 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8335 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8336 (sparc64-*-linux*): Likewise.
8337 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8338 * config/sparc/t-linux: New file.
8339 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8340 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8341 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8342 -m32 -mlong-double-128.
8344 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8345 * config/alpha/t-linux: New file.
8346 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8348 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8349 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8350 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8351 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8352 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8353 (CPP_ARCH32_SPEC): Remove.
8355 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8357 PR tree-optimization/26145
8358 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8361 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8364 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8365 >= 240000 when generating code for SOM runtime.
8366 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8367 to $$dyncall when generating code for SOM runtime..
8369 2006-02-07 Dirk Mueller <dmueller@suse.com>
8372 * doc/invoke.texi (-Wsequence-point): Update documentation
8373 that -Wsequence-point is implemented for C++ as well.
8375 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8377 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8378 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8379 (LIB_SPEC): Likewise.
8380 * doc/invoke.texi (SPARC options): Document -pthread.
8382 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8384 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8387 2006-02-07 Roger Sayle <roger@eyesopen.com>
8389 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8390 Correct comment describing BOOLEAN_TYPE.
8392 2006-02-07 Dirk Mueller <dmueller@suse.com>
8394 * c.opt: C++ frontend supports -Wdiv-by-zero.
8395 * c-opts.c (c_common_handle_option): Remove dead case.
8397 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8399 * configure.ac (TLS assembler check): Do not enable TLS by
8400 default on SPARC/Solaris before version 10.
8401 * configure: Regenerate.
8403 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8405 * doc/invoke.texi (xl-compat): Document conversion and support
8408 2006-02-07 Jeff Law <law@redhat.com>
8410 * tree-vrp.c (find_conditional_asserts): Update comments.
8411 (simplify_stmt_for_jump_threading): New.
8412 (identify_jump_threads, finalize_jump_threads): New.
8413 (vrp_finalize): Call identify_jump_threads.
8414 (execute_vrp): Call finalize_jump_threads.
8415 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8416 (vrp_element, vrp_data, vrp_element_p): Remove.
8417 (vrp_hash_elt, vrp_variables_stack): Remove.
8418 (vrp_hash, vrp_eq, record_range): Remove.
8419 (simplify_cond_and_lookup_avail_expr): Remove.
8420 (extract_range_from_cond): Remove.
8421 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8422 (simplify_stmt_for_jump_threading): New.
8423 (dom_thread_across_edge): New wrapper.
8424 (tree_ssa_dominator_optimize): No longer initialize or
8425 finalize any of the VRP datastructures. Remove iteration
8426 step and simplify as a result of removal of iteration step.
8427 (pass_dominator): Perform a cfg cleanup after DOM.
8428 (dom_opt_finalize_block): Use the new common routines
8429 for threading jumps. Simplify stack management slightly.
8430 No longer need to unwind VRP state.
8431 (record_equivalences_from_incoming_edge): No longer record
8433 (eliminate_redundant_computations): No longer call
8434 simplify_cond_and_lookup_avail_expr.
8435 * tree-flow.h (potentially_threadable_block): Prototype.
8436 (thread_across_edge): Likewise.
8437 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8438 (tree-ssa-threadedge.o): Add dependencies.
8439 * tree-ssa-threadedge.c: New file.
8440 * passes.c (init_optimization_passes): Merge PHIs before
8441 calling VRP. Run VRP again late in the SSA optimization pipeline.
8443 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8445 * df-core.c (df_set_blocks): Do not dereference function pointers.
8446 (df_finish1): Likewise.
8447 (df_hybrid_search_forward): Likewise.
8448 (df_hybrid_search_backward): Likewise.
8449 (df_iterative_dataflow): Likewise.
8450 (df_analyze_problem): Likewise.
8451 (df_compact_blocks): Likewise.
8452 (df_dump): Likewise.
8453 * df-scan.c (df_rescan_blocks): Likewise.
8454 (df_record_entry_block_defs): Likewise.
8456 * genconditions.c (write_conditions): Guard the definition of
8457 'insn_conditions' with the check on GCC version.
8458 (write_writer): Guard the traversal 'insn_conditions' with
8459 the check on GCC version.
8461 2006-02-07 Richard Guenther <rguenther@suse.de>
8465 2006-01-30 Richard Guenther <rguenther@suse.de>
8467 * gimplify.c (gimplify_target_expr): Handle easy cases
8468 without creating a temporary.
8470 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8472 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8473 use of float in probability computations. Use edge probabilities
8474 in place of statically computed probabilities.
8475 (min_spec_prob): New static variable.
8476 (schedule_insns): Initialize it.
8477 (GET_SRC_PROB): Removed.
8478 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8480 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8483 * config/ia64/unwind-ia64.c: Revert last change.
8484 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8485 (INCOMING_FRAME_SP_OFFSET): Define.
8487 2006-02-06 Roger Sayle <roger@eyesopen.com>
8489 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8491 2006-02-07 Ben Elliston <bje@au.ibm.com>
8493 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8494 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8495 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8496 (ix86_return_in_memory): Handle TDmode.
8497 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8498 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8500 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8502 * reorg.c (dbr_schedule): Use dump_file instead of file.
8504 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8507 * config/ia64/predicates.md (extr_len_operand): New predicate.
8508 * config/ia64/ia64.md (extv): Tighten constraints.
8510 (*tbit_and_2): Ditto.
8511 (*tbit_and_3): Ditto.
8512 (*tbit_or_2): Ditto.
8513 (*tbit_or_3): Ditto.
8517 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8520 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8522 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8524 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8525 loop_optimizer_init and loop_optimizer_finalize
8526 * tree-ssa-sink.c (execute_sink_code): Ditto.
8527 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8528 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8529 tree_ssa_loop_done): Ditto.
8530 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8531 * sched-ebb.c: Include output.h.
8532 (schedule_ebbs): Do not use dump argument.
8533 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8534 * loop.c (loop_dump_stream): Removed.
8535 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8537 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8538 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8539 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8540 loop_iterations, strength_reduce, record_biv, record_giv,
8541 final_giv_value, check_final_value, check_ext_dependent_givs,
8542 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8543 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8544 dump_file instead of loop_dump_stream.
8545 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8547 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8549 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8550 * haifa-sched.c: Include output.h
8551 (schedule_insns, sched_init): Do not use dump argument.
8552 * mode-switching.c (optimize_mode_switching): Ditto.
8553 * modulo-sched.c (stats_file): Removed.
8554 (print_node_sched_params): Do not call argument dump_file.
8555 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8556 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8558 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8560 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8561 rtl_loop_init, rtl_loop_done): Ditto.
8562 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8563 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8565 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8566 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8567 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8568 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8569 * emit-rtl.c (renumber_insns): Ditto.
8570 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8571 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8572 * regclass.c (regclass): Ditto.
8573 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8574 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8575 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8576 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8578 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8579 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8581 * gcse.c (gcse_file, debug_stderr): Removed.
8582 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8583 rest_of_handle_gcse): Do not use dump argument.
8584 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8585 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8586 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8587 compute_code_hoist_vbeinout, compute_code_hoist_data,
8588 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8589 compute_store_table, build_store_vectors, insert_insn_start_bb,
8590 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8591 store_motion): Use dump_file instead of gcse_file.
8592 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8593 * profile.c (profile_dump_file): Removed.
8594 (branch_prob): Use dump_file instead of profile_dump_file.
8595 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8597 * tree-ssa-copy.c (dump_copy_of): Ditto.
8598 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8599 dump file to life_analysis.
8600 * bt-load.c (branch_target_load_optimize): Ditto.
8601 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8603 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8604 regclass, dbr_schedule): Declaration changed.
8605 * sched-int.h (sched_init): Declaration changed.
8606 * tree-profile.c (tree_profile_dump_file): Removed.
8607 (tree_profile_hooks): Removed profile_dump_file hook.
8608 * rtl-profile (rtl_profile_dump_file): Removed.
8609 (rtl_profile_hooks): emoved profile_dump_file hook.
8610 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8612 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8613 * tree-cfg.c (build_tree_cfg): Ditto.
8614 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8615 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8616 Declaration changed.
8617 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8618 life_analysis and schedule_insns.
8619 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8621 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8623 * config/mips/mips.c (mips_reorg): Ditto.
8624 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8627 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8629 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8630 (s390_mangle_fundamental_type): New.
8631 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8634 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8635 (alpha_mangle_fundamental_type): New.
8636 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8639 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8641 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8643 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8644 (sparc_mangle_fundamental_type): New.
8646 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8648 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8649 (s390x-*-linux*): Likewise.
8650 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8651 * config/s390/t-linux: New file.
8653 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8655 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8656 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8658 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8660 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8661 (ANTIC_SAFE_LOADS): New macro.
8662 (find_or_generate_expression): Add prototype.
8663 (set_contains_value): Allow null set for sake of not always having
8664 to allocate ANTIC_SAFE_LOADS.
8665 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8666 Allow COMPONENT_REF too.
8667 (valid_in_set): Allow COMPONENT_REF.
8668 Check ANTIC_SAFE_LOADS too.
8669 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8670 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8672 (can_PRE_operation): Add COMPONENT_REF.
8673 (create_component_ref_by_pieces): New function.
8674 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8675 (insert_aux): Move AGGREGATE_TYPE_P check here.
8676 (compute_avail): Set bb local stmt uids.
8677 (pass_pre): Use TODO_update_ssa_only_virtuals.
8679 2006-02-06 Ben Elliston <bje@au.ibm.com>
8681 * configure.ac: Unconditionally disable decimal float by default.
8682 * configure: Regenerate.
8684 2006-02-06 Ben Elliston <bje@au.ibm.com>
8686 * read-rtl.c (read_name): Terminate reading on EOF.
8688 2006-02-06 Ben Elliston <bje@au.ibm.com>
8690 * dfp.c (decimal_real_arithmetic): Change second argument type
8691 from int to enum tree_code. Do not always return true, but now
8692 return result of any call to decimal_do helper functions.
8693 * dfp.h (decimal_real_arithmetic): Update prototype.
8695 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8697 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8699 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8702 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8705 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8707 * tree-vrp.c (cfg_loops): Removed.
8708 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8709 Use current_loops instead of cfg_loops. Pass flags to
8710 loop_optimizer_init.
8711 * cfgloopmanip.c (fix_loop_structure): Update only available
8713 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8714 loop_optimizer_init.
8715 * modulo-sched.c (build_loops_structure): Removed.
8716 (sms_schedule): Use loop_optimizer_init.
8717 * loop-init.c (loop_optimizer_init): Use flags to determine
8718 which properties of loops to prepare.
8719 (rtl_loop_init): Pass flags to loop_optimizer_init.
8720 * tree-ssa-sink.c (execute_sink_code): Ditto.
8721 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8722 * tree-ssa-pre.c (init_pre): Ditto.
8723 * cfgloop.h (LOOPS_NORMAL): New.
8724 (loop_optimizer_init): Declaration changed.
8726 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8728 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8729 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8731 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8733 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8735 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8736 * pa/t-pa64: Delete quadlib.c rule.
8737 * pa/x-ada: Revert last change.
8738 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8740 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8742 PR rtl-optimization/26087
8743 * rtlanal.c (canonicalize_condition): Do not cross basic block
8746 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8749 * config/ia64/ia64.c: Include debug.h.
8750 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8751 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8752 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8753 (process_epilogue, process_set, process_for_unwind_directive):
8754 Output unwind info only if requested. Add CFA info if requested.
8755 Add new arguments as needed. Adjust callers.
8756 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8758 (DWARF2_FRAME_INFO): Define to zero.
8759 * config/ia64/unwind-ia64.c: Remove code that compensated for
8760 the CFA offset error fixed above.
8761 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8762 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8763 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8764 -funwind-tables and -fexceptions to enable frame info.
8765 (dwarf2out_frame_init): Define initial CFA even if
8766 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8767 DWARF2_UNWIND_INFO is nonzero, not just defined.
8768 (dwarf2out_frame_finish): Output non-EH call frame info only
8769 if DWARF2_FRAME_INFO is nonzero.
8770 (convert_cfa_to_loc_list,
8771 compute_frame_pointer_to_cfa_displacement): Define even if
8772 unwind info is not supported.
8773 (gen_subprogram_die): Use the above unconditionally. Remove
8774 legacy alternate code.
8775 * toplev.c (compile_file): Compile in call to
8776 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8777 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8779 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8780 Jakub Jelinek <jakub@redhat.com>
8782 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8783 IBM extended float format long double as "g" on powerpc*-linux.
8785 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8788 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8789 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8791 2006-02-03 Jason Merrill <jason@redhat.com>
8794 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8797 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8798 on the return slot if it's an NRV.
8800 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8802 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8803 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8804 rewrite_use): Do not handle USE_OUTER.
8805 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8806 add_iv_outer_candidates, may_replace_final_value,
8807 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8808 (find_interesting_uses_op): Functionality of
8809 find_interesting_uses_outer_or_nonlin moved here.
8810 (find_interesting_uses_outside): Use find_interesting_uses_op.
8812 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8815 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8817 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8818 Ulrich Weigand <uweigand@de.ibm.com>
8821 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8822 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8823 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8824 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8826 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8827 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8828 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8829 Define secondary reloads for TFmode moves.
8830 (constant_modes): Add TFmode.
8831 (NR_C_MODES): Set to 8.
8832 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8834 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8835 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8836 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8837 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8838 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8839 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8840 (FPR mode macro): Add TFmode.
8841 (DSF mode macro): New.
8842 (<de>, <dee> mode attributes): Removed.
8843 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8844 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8845 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8846 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8847 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8848 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8849 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8850 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8851 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8852 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8853 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8854 "*negabs<mode>2", "sqrt<mode>2"):
8855 Changed <de> to <xde>. R constraint replaced by <Rf>.
8856 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8858 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8859 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8860 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8862 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8863 "extenddftf2", "extendsftf2"): New expanders.
8864 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8865 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8866 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8867 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8869 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8870 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8871 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8872 __floatditf): Add a GCC_4.1.0 symbol version tag.
8873 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8876 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8879 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8880 Use targetm.binds_local_p instead of TREE_PUBLIC.
8882 2006-02-02 Roger Sayle <roger@eyesopen.com>
8884 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8885 on INTEGER_TYPEs to indicate that it denotes a character type.
8886 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8887 signed_char_type_node, unsigned_char_type_node and char_type_node.
8888 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8889 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8890 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8892 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8893 Daniel Berlin <dberlin@dberlin.org>
8895 * tree-tailcall.c (arg_needs_copy_p): New function.
8896 (eliminate_tail_call): Use arg_needs_copy_p.
8897 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8898 (add_virtual_phis): New function.
8900 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8902 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8903 #ignore instead of #scratch for %g7 .register directive.
8905 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8907 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8910 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8912 * flow.c (calculate_global_regs_live): Assert that there aren't any
8915 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8917 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8919 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8920 bsi_after_labels iterator.
8921 * tree-if-conv.c (find_phi_replacement_condition,
8922 replace_phi_with_cond_modify_expr): Likewise.
8923 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8924 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8926 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8928 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8930 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8933 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8934 array after growing it.
8936 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8939 * fold-const.c (fold_checksum_tree): Change type of buf.
8941 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8943 * reload.c (push_secondary_reload): Initialize t_icode.
8945 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8947 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8948 -msoft-float -mlong-double-128 only issue a warning, but don't
8949 swich to DFmode long double.
8951 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8953 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8954 has a constant equivalent, iterate over equivalents for arg0,
8955 calling simplify_relational_operation and if there's a result
8956 cheaper than X, apply fold_rtx and return the result.
8958 2006-02-01 Jan Hubicka <jh@suse.cz>
8960 * opts.c (no_unit_at_a_time_default): New global variable.
8961 (decode_options): Use it.
8962 * opts.h (no_unit_at_a_time_default): Declare.
8964 2006-02-01 Paul Brook <paul@codesourcery.com>
8966 * function.c (assign_parm_setup_reg): Use function argument promotion
8968 * expr.c (expand_expr_real_1): Use function argument promotion rules
8971 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8973 * gcc.c (process_command): Change j to 'unsigned int'.
8975 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8978 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8979 Use the corrected index for the character
8980 out of the string constant.
8982 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8984 * mode-switching.c (optimize_mode_switching): Fix size
8985 allocated for bb_info[n_entities].
8987 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8989 * gcc.c (main): Correct type that is allocated for
8990 explicit_link_files.
8992 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8994 * config/s390/s390.c (init_alignment_context): Set
8995 ALIAS_SET_MEMORY_BARRIER on the MEM.
8996 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8998 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9001 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9003 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9006 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9008 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9009 * regrename.c: Ditto.
9010 * tree-ssa-loop-im.c: Ditto.
9011 * tree-dump.c: Ditto.
9012 * tree-complex.c: Ditto.
9013 * genrecog.c: Ditto.
9014 * tree-ssa-threadupdate.c: Ditto.
9016 * java/class.c: Ditto.
9017 * java/jcf-parse.c: Ditto.
9018 * java/resource.c: Ditto.
9019 * java/except.c: Ditto.
9020 * java/jvspec.c: Ditto.
9021 * java/jcf-write.c: Ditto.
9022 * java/jcf-path.c: Ditto.
9023 * java/gjavah.c: Ditto.
9024 * java/zextract.c: Ditto.
9025 * java/jcf-io.c: Ditto.
9026 * java/jcf.h: Ditto.
9027 * java/buffer.c: Ditto.
9028 * java/lang.c: Ditto.
9029 * java/parse-scan.y: Ditto.
9030 * java/lex.c: Ditto.
9031 * java/lex.h: Ditto.
9032 * cfgloopmanip.c: Ditto.
9033 * postreload-gcse.c: Ditto.
9034 * tree-ssa-loop-manip.c: Ditto.
9035 * postreload.c: Ditto.
9036 * tree-ssa-loop-ch.c: Ditto.
9040 * diagnostic.c: Ditto.
9042 * genoutput.c: Ditto.
9044 * cfghooks.c: Ditto.
9045 * cfgloopanal.c: Ditto.
9046 * objc/objc-act.c: Ditto.
9048 * genextract.c: Ditto.
9049 * genautomata.c: Ditto.
9050 * pretty-print.c: Ditto.
9052 * cgraphunit.c: Ditto.
9055 * haifa-sched.c: Ditto.
9056 * dominance.c: Ditto.
9058 * tree-ssa-loop-ivopts.c: Ditto.
9060 * mode-switching.c: Ditto.
9061 * modulo-sched.c: Ditto.
9063 * ipa-pure-const.c: Ditto.
9065 * fix-header.c: Ditto.
9067 * tree-stdarg.c: Ditto.
9068 * ipa-utils.c: Ditto.
9069 * loop-init.c: Ditto.
9070 * ipa-inline.c: Ditto.
9073 * alloc-pool.c: Ditto.
9074 * dwarf2out.c: Ditto.
9076 * genattrtab.c: Ditto.
9077 * tree-ssa-loop-ivcanon.c: Ditto.
9081 * fortran/gfortranspec.c: Ditto.
9083 * local-alloc.c: Ditto.
9084 * langhooks.c: Ditto.
9085 * function.c: Ditto.
9086 * tree-vectorizer.c: Ditto.
9088 * ipa-type-escape.c: Ditto.
9090 * tree-if-conv.c: Ditto.
9093 * tree-data-ref.c: Ditto.
9094 * loop-unroll.c: Ditto.
9095 * treelang/treetree.c: Ditto.
9098 * ggc-common.c: Ditto.
9100 * coverage.c: Ditto.
9102 * tree-cfgcleanup.c: Ditto.
9103 * tree-ssa-pre.c: Ditto.
9104 * cfgcleanup.c: Ditto.
9105 * loop-invariant.c: Ditto.
9107 * ipa-prop.c: Ditto.
9108 * print-tree.c: Ditto.
9109 * conflict.c: Ditto.
9110 * ggc-page.c: Ditto.
9111 * sched-deps.c: Ditto.
9112 * regclass.c: Ditto.
9113 * tree-object-size.c: Ditto.
9115 * bb-reorder.c: Ditto.
9116 * resource.c: Ditto.
9117 * var-tracking.c: Ditto.
9119 * df-problems.c: Ditto.
9120 * reg-stack.c: Ditto.
9123 * sched-rgn.c: Ditto.
9124 * tree-ssa-structalias.c: Ditto.
9125 * tree-ssa-reassoc.c: Ditto.
9126 * config/darwin-c.c: Ditto.
9127 * config/darwin.c: Ditto.
9128 * config/arm/arm.c: Ditto.
9130 * collect2.c: Ditto.
9133 2006-01-31 Nicolas Pitre <nico@cam.org>
9135 * arm.md (smaxsi3): Make aware of smax_m1.
9138 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9140 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9142 2006-01-31 Richard Guenther <rguenther@suse.de>
9144 * doc/invoke.texi (-msselibm): Document.
9145 * target.h (expand_library_builtin): New target hook.
9146 * builtins.c (expand_builtin): Use expand_library_builtin.
9147 (default_expand_library_builtin): New function.
9148 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9149 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9150 (link_gcc_math_spec): Declare.
9151 (static_specs): Add link_gcc_math_spec.
9152 * expr.h (default_expand_library_builtin): Declare.
9153 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9154 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9155 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9156 * config/i386/i386.opt (msselibm): New target option.
9157 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9158 (ix86_init_sse_abi_builtins): New function.
9159 (ix86_expand_library_builtin): Likewise.
9160 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9161 (override_options): Handle error conditions wrt -msselibm.
9162 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9163 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9164 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9167 2006-01-31 Richard Guenther <rguenther@suse.de>
9168 Paolo Bonzini <bonzini@gnu.org>
9170 * doc/install.texi (--disable-libgcc-math): Document.
9172 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9174 * expr.h (expand_normal): new inline function.
9175 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9177 * dwarf2out.c: use it.
9182 * config/sparc/sparc.c: use it.
9183 * config/i386/i386.c: use it.
9184 * config/rs6000/rs6000.c: use it.
9185 * config/arm/arm.c: use it.
9186 * config/mips/mips.c: use it.
9187 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9189 2006-01-30 Roger Sayle <roger@eyesopen.com>
9191 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9192 argv to the appropriate type.
9194 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9196 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9199 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9202 * config/s390/s390.c (struct machine_function): New flag
9203 decomposed_literal_pool_addresses_ok_p.
9204 (s390_reorg): Set it before final stage of literal pool transforms.
9205 (s390_decompose_address): Only accept displacements of the form
9206 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9208 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9210 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9211 the comparison routine return.
9213 2006-01-30 Michael Matz <matz@suse.de>
9215 * global.c (find_reg): Only evict for global regs.
9216 Take n_refs into account and dump more info.
9218 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9221 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9222 (pragma_trap, pragma_nosave_low_regs): Likewise.
9223 (current_function_anonymous_args): Likewise.
9224 (sh_deferred_function_attributes): New variable.
9225 (sh_deferred_function_attributes_tail): Likewise.
9226 (print_operand): For '@', look up trap_exit attribute.
9227 (calc_live_regs): Look up trapa_handler attribute. For trapa
9228 handlers, save/restore fpscr, but don't do any other
9229 interrupt-specific saves.
9230 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9231 Fix check for partially saved registers to check for SHmedia.
9232 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9233 (sh_output_function_epilogue): Don't clear any of the removed
9235 (sh_insert_attributes): Don't check pragma_interrupt.
9236 Insert deferred attributes. Check that interrupt attribute is
9237 present for other attributes that require its presence.
9238 (sh_attribute_table): Add new attributes trapa_handler and
9240 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9241 Don't check for pragma_interrupt. Don't store argument.
9242 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9243 (sh_deferred_function_attributes): Declare.
9244 (sh_deferred_function_attributes_tail): Likewise.
9245 * sh.md (sp_switch_1): Add operand. Change generator caller.
9246 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9247 (*return_i): Don't use when trap_exit attribute is in effect.
9248 (*return_trapa): New insn pattern.
9250 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9251 setting c_target_objs and cxx_target_objs.
9252 * t-sh: Add rule for sh-c.o.
9254 2006-01-30 Richard Guenther <rguenther@suse.de>
9257 * gimplify.c (gimplify_target_expr): Handle easy cases
9258 without creating a temporary.
9260 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9262 * vec.h (safe_grow): Remove duplicated line.
9264 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9267 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9268 (expand_omp): ... here.
9269 (expand_omp_parallel): Only remove barriers for combined
9270 parallel+workshare constructs.
9272 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9276 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9277 * tree.c (build_qualified_type): Chain the new type to the original
9278 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9279 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9280 (build_pointer_type_for_mode): Only return unqualified types.
9281 (build_reference_type_for_mode): Likewise.
9283 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9285 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9286 * Makefile.in (CXX_COMPAT_WARN): Define.
9287 * configure: Regenerate.
9289 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9292 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9295 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9297 * toplev.c: Fix thinko.
9299 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9300 Marcin Dalecki <martin@dalecki.de>
9302 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9303 (push_srcloc): Use XNEW.
9304 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9306 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9308 * df-core.c (df_set_blocks): Deleted all variable.
9310 2006-01-28 Ian Lance Taylor <ian@airs.com>
9312 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9313 cgraph_output_pending_asms.
9315 2006-01-28 Zack Weinberg <zackw@panix.com>
9317 * c.opt: Add -W(no-)overlength-strings.
9318 * doc/invoke.texi: Document it.
9319 * c-opts.c (c_common_handle_option): -pedantic implies
9320 -Woverlength-strings, if not explicitly disabled already.
9321 (c_common_post_options): -Woverlength-strings defaults to off, and
9322 is always off for C++.
9323 * c-common.c (fix_string_type): Issue warning about strings longer
9324 than is portable only if warn_overlength_strings. Rearrange code
9325 a little for clarity.
9326 * configure.in: Check for -Wno-overlength-strings as well before
9327 enabling -pedantic in stage 1.
9328 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9329 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9331 * genconditions.c (write_header, write_one_condition)
9332 (write_conditions, write_writer): Consolidate very long strings
9333 that were broken up to fit in C89 portable limit. Don't use
9334 printf when fputs will do.
9336 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9338 * combine.c (simplify_comparison <AND>): Check
9339 TRULY_NOOP_TRUNCATION before start using a subreg.
9341 * config/mips/mips.md (*branch_zero<mode>,
9342 *branch_zero<mode>_inverted, *branch_equality<mode>,
9343 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9344 Remove mode check from comparisons.
9346 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9348 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9350 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9352 * expmed.c (const_mult_add_overflow_p): Remove.
9353 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9355 * recog.c (validate_replace_rtx_subexp): Remove.
9356 * recog.h: Remove the prototype for
9357 validate_replace_rtx_subexp.
9359 * integrate.h: Remove the prototype for
9360 copy_decl_for_inlining.
9361 * rtl.h: Remove the prototype for mark_constant_function.
9362 * tree-vectorizer.h: Remove the prototype for
9363 vect_strip_conversion.
9365 * modulo-sched.c (create_partial_schedule,
9366 free_partial_schedule, reset_partial_schedule): Make them
9369 * hooks.c (hook_bool_rtx_int_false): Remove.
9370 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9372 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9374 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9375 and -mlong-double-128 are incompatible.
9376 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9377 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9378 (TARGET_LIBGCC2_CFLAGS): Define.
9379 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9380 (TARGET_LIBGCC2_CFLAGS): Same.
9381 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9383 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9386 * c-typeck.c (build_binary_op): Perform implicit casts of
9387 operands before shortening them.
9389 * cfgloopmanip.c (split_loop_bb): Remove.
9390 * cfgloop.h: Remove the prototype for split_loop_bb.
9392 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9393 * cfgloop.h: Remove the prototype for
9394 flow_loop_outside_edge_p.
9396 * emit-rtl.c (init_virtual_regs): Make it static.
9397 * function.h: Remove the prototype for init_virtual_regs.
9399 * recog.c (peephole2_optimize): Make it static.
9400 * recog.h: Remove the prototype for peephole2_optimize.
9402 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9404 * df-scan.c (df_record_entry_block_defs): Check if
9405 INCOMING_RETURN_ADDR_RTX is defined.
9407 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9408 Kenneth Zadeck <zadeck@naturalbridge.com>
9410 PR rtl-optimization/24762
9411 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9412 * targhooks.c (hook_void_bitmap): New hook prototype.
9413 * targhoohs.h (hook_void_bitmap): Ditto.
9414 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9415 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9416 * target.h (live_on_entry): New function pointer.
9417 * df-scan.c (df_all_hard_regs): Removed.
9418 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9419 (df_scan_free_internal): Added df->entry_block_defs.
9420 (df_scan_alloc): Ditto.
9421 (df_scan_dump): Ditto.
9422 (df_uses_record): Plumbed flag field properly thru calls.
9423 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9424 This part fixes PR24762.
9425 (df_bb_refs_record): Added code to make the frame and arg
9426 pointers live in EH blocks.
9427 (df_refs_record): Added call to df_record_entry_block_defs.
9428 (df_record_entry_block_defs): New function.
9429 * df-core.c: Added comments to describe new artifical defs.
9430 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9431 (entry_block_defs): New field in struct df.
9432 (df_all_hard_regs): Deleted.
9433 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9434 * df-problems.c (df_ru_bb_local_compute_process_def):
9435 Added code to handle artifical defs in the entry to a function.
9436 (df_ru_bb_local_compute): Ditto.
9437 (df_rd_bb_local_compute_process_def): Ditto.
9438 (df_rd_bb_local_compute): Ditto.
9439 (df_lr_bb_local_compute): Ditto.
9440 (df_ur_bb_local_compute): Ditto.
9441 (df_urec_bb_local_compute): Ditto.
9442 (df_chain_create_bb): Ditto.
9443 (df_ur_local_finalize): Removed entry.
9444 (df_urec_init): Ditto.
9445 (df_urec_local_finalize): Ditto.
9446 (df_ri_bb_compute): Added detection of last use of pseudos.
9447 * Makefile.in (df-scan.o): Updated dependencies.
9448 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9449 * config/mips/mips.c (mips_set_live_on_entry): Added.
9450 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9452 * dce.c (marked_insn_p): Added code to handle artifical defs.
9454 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9456 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9458 (_mm_cvtsi128_si64): Likewise.
9459 (_mm_cvtsd_si64): Likewise.
9460 (_mm_cvttsd_si64): Likewise.
9461 (_mm_cvtsi64_sd): Likewise.
9462 (_mm_cvtsi64_si128): Likewise.
9463 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9464 (_mm_cvtsi64_m64): Likewise.
9465 (_m_to_int64): Likewise.
9466 (_mm_cvtm64_si64): Likewise.
9467 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9468 (_mm_cvttss_si64): Likewise.
9469 (_mm_cvtsi64_ss): Likewise.
9470 (_mm_cvtss_f32): Likewise.
9472 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9474 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9475 for pragma redefine_extname.
9477 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9480 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9481 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9482 -mno-minimal-toc to previous content.
9483 (bispecs): Remove goal.
9484 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9485 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9486 compatibility aliases on powerpc-*-*gnu*.
9487 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9488 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9489 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9490 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9491 (ldblspecs): New goal.
9492 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9493 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9495 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9496 L_sf_to_tf or L_df_to_tf is defined.
9498 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9499 Alan Modra <amodra@bigpond.net.au>
9502 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9503 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9504 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9505 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9506 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9507 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9508 (rs6000_override_options): Initialize rs6000_ieeequad.
9509 Initialize TFmode format to ibm_extended_format if not
9511 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9513 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9514 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9515 (function_arg_advance): IBM long double passed in two FPRs, not
9517 (function_arg): IBM long double passed in FPRs.
9518 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9519 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9520 Only multireg GPR aligned.
9521 (rs6000_init_libfuncs): Enable IBM long double functions if not
9523 (rs6000_generate_compare): Use IBM long double compare if not
9525 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9526 (TARGET_IEEEQUAD): Define.
9527 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9528 not TARGET_IEEEQUAD.
9529 * config/rs6000/rs6000.md: Enable TFmode patterns if
9531 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9532 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9533 and -mlong-double-128 are incompatible.
9534 * doc/invoke.texi (-mabi): Collect options together. Add
9535 ibmlongdouble and ieeelongdouble.
9537 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9539 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9541 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9542 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9543 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9544 * rtl.h (rtunion_def): Remove rt_ptr.
9546 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9547 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9548 * config/i386/winnt.c (i386_pe_mark_dllexport)
9549 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9551 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9553 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9555 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9559 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9560 pthread_key_delete. From John David Anglin. gthrw-ify
9561 pthread_getunique_np only if it it's not a macro. Delete
9563 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9564 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9565 __gthread_objc_condition_signal, __gthread_key_delete): Add
9566 "__attribute__ ((__unused__))" to unused arguments.
9567 (__gthread_recursive_mutex_init_function): Add missing return.
9568 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9569 gthr-posix95.h: Use macro-based approach for name redirection
9570 on targets missing weakref.
9572 2006-01-26 Zack Weinberg <zackw@panix.com>
9574 * genconditions.c (write_header): In generated code, #ifdef out
9575 all includes and fake declarations, except includes of bconfig.h
9576 and system.h, unless GCC_VERSION >= 3001. Do not include
9577 gensupport.h in any case.
9578 (write_conditions): Generate a definition of struct c_test. Add
9579 a comment to the generated #endif.
9580 (write_one_condition): Escape backslashes in string too.
9581 (write_writer): Generated code must escape backslashes and quote
9582 marks (but not newlines) in the strings it writes.
9583 * Makefile.in (build/gencondmd.o): Update dependencies.
9585 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9588 * Makefile.in (insn-automata.o): Add header file dependencies.
9589 * genautomata.c: Add includes.
9591 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9594 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9596 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9598 * configure.ac: Expect target tools paths to be passed from the toplevel
9599 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9601 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9603 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9606 * c.opt (Wpointer-sign): Init to -1.
9607 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9608 OPT_pedantic, to 0 otherwise.
9609 * doc/invoke.texi: Update.
9611 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9613 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9614 constants provided by 80387 instructions in the destination mode.
9616 2006-01-26 Richard Guenther <rguenther@suse.de>
9617 Andrew Pinski <pinskia@physics.uc.edu>
9620 partial PR tree-opt/17064
9621 * tree-ssa-structalias.c (intra_create_variable_infos):
9622 Create heap variables for incoming parameters if
9623 flag_argument_noalias > 1.
9624 (find_what_p_points_to): Look through default defs of
9627 2006-01-26 Jeff Law <law@redhat.com>
9630 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9631 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9632 within the VR_RANGE, use the VR_RANGE as the result, not the
9634 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9635 bounds for the type.
9637 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9639 * tree-ssa-alias.c (maybe_create_global_var): Change
9640 subvar walking to an assertion that we don't have subvar'd variables.
9642 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9645 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9646 Use a new variable, inner. PARM_DECLs are always non-weak.
9648 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9650 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9653 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9655 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9657 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9659 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9660 (smax_insn, smin_insn, smax_0, smin_0): New.
9662 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9665 * config/cris/cris.c (cris_order_for_addsi3): New function.
9666 * config/cris/cris-protos.h: Prototype it.
9667 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9668 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9669 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9670 (split for "op.S1 [rx=rx+i],ry (swapped)")
9671 (split for "op(s|u).S1 [rx=rx+i],ry")
9672 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9673 Apply cris_order_for_addsi3 when generating addsi3 insns.
9675 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9677 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9678 (TREE_BLOCK): Add call to EXPR_CHECK.
9680 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9683 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9684 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9685 (dump_omp_clauses): ... here.
9686 (dump_generic_node): Handle OMP_CLAUSE.
9687 * tree.c (omp_clause_num_ops): New.
9688 (omp_clause_code_name): New.
9689 (tree_code_size): Handle OMP_CLAUSE.
9690 (tree_size): Likewise.
9691 (make_node): Document handling of OMP_CLAUSE.
9692 (tree_node_structure): Handle OMP_CLAUSE.
9693 (omp_clause_check_failed): New.
9694 (omp_clause_range_check_failed): New.
9695 (omp_clause_operand_check_failed): New.
9696 (build_omp_clause): New.
9697 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9698 * tree.h (enum omp_clause_code): Declare.
9699 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9700 (OMP_CLAUSE_RANGE_CHECK): Define.
9701 (OMP_CLAUSE_ELT_CHECK): Define.
9702 (omp_clause_check_failed): Declare.
9703 (omp_clause_operand_check_failed): Declare.
9704 (omp_clause_range_check_failed): Declare.
9705 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9706 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9707 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9708 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9709 (OMP_CLAUSE_IF_EXPR): Likewise.
9710 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9711 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9712 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9713 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9714 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9715 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9716 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9717 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9718 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9719 (OMP_CLAUSE_CODE): Define.
9720 (OMP_CLAUSE_SET_CODE): Define.
9721 (OMP_CLAUSE_CODE): Define.
9722 (OMP_CLAUSE_OPERAND): Define.
9723 (struct tree_omp_clause): Declare.
9724 (union tree_node): Add field 'omp_clause'.
9725 * treestruct.def (TS_OMP_CLAUSE): Define.
9726 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9727 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9728 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9729 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9730 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9731 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9732 (OMP_CLAUSE): Define.
9733 * print-tree.c (print_node): Handle OMP_CLAUSE.
9734 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9735 * c-typeck.c: Likewise.
9736 * gimplify.c: Likewise.
9737 * c-omp.c: Likewise.
9738 * tree-nested.c: Likewise.
9739 * tree-inline.c: Likewise.
9740 * c-parser.c: Likewise.
9741 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9744 2006-01-25 Roger Sayle <roger@eyesopen.com>
9746 PR rtl-optimization/25703
9747 * combine.c (try_combine): Handle zero_extract and strict_low_part
9748 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9750 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9752 * global.c: Fix comment typos.
9754 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9757 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9758 Use output_addr_const instead of assemble_name.
9760 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9762 * Makefile.in (sched-vis.o): Update dependencies.
9763 * haifa-sched.c (sched_finish): Clear current_sched_info.
9764 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9765 (dump_flow_info): Call it.
9766 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9768 * basic-block.h (dump_bb_info): Declare.
9769 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9770 option, and apply options only for dump files whose TDF_RTL,
9771 TDF_TREE, or TDF_IPA bits match.
9772 * rtl.h: Declare new functions exported from sched-vis.c.
9773 * sched-vis.c: Enable also if scheduling is not used.
9774 (print_value): Print the mode of registers if not inside scheduling.
9775 (print_insn): Make it work outside the scheduler. Beautify the output
9777 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9779 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9781 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9782 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9783 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9784 depending on the value of CONSTANT_POOL_ADDRESS_P.
9785 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9787 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9788 rather than SYMBOL_REF_DECL.
9789 (rtx_constant_pool): Remove const_rtx_sym_htab.
9790 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9791 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9792 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9793 Remove handling of const_rtx_sym_htab.
9794 (find_pool_constant): Delete.
9795 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9796 rather than find_pool_constant.
9797 (get_pool_constant_for_function): Delete.
9798 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9800 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9801 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9802 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9803 (SYMBOL_REF_CONSTANT): New macro.
9804 (get_pool_constant_for_function): Delete.
9805 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9806 rather than SYMBOL_REF_DECL.
9807 (i386_pe_mark_dllimport): Likewise.
9808 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9809 rather than SYMBOL_REF_DECL.
9810 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9811 (machopic_indirect_call_target): Likewise.
9813 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9815 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9817 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9819 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9821 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9823 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9825 2006-01-24 David Daney <ddaney@avtrex.com>
9828 * configure.ac (enable_tls): New enable option.
9829 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9830 * configure: Regenerate.
9831 * doc/install.texi (--enable-tls): Document new option.
9832 (--disable-tls): Ditto.
9834 2006-01-24 Richard Henderson <rth@redehat.com>
9836 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9837 * alias.c (true_dependence): Respect it.
9838 (canon_true_dependence, write_dependence_p): Likewise.
9839 * builtins.c (get_builtin_sync_mem): Set it.
9841 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9843 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9846 2006-01-24 DJ Delorie <dj@redhat.com>
9848 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9849 for storing constants in single-bit bitfields.
9851 2006-01-25 Ben Elliston <bje@au.ibm.com>
9853 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9855 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9858 * tree-ssa-pre.c (phi_translate): Return NULL
9859 for AGGREGATE_TYPE's.
9861 2006-01-24 Zack Weinberg <zackw@panix.com>
9863 * genautomata.c (process_state_for_insn_equiv_partition):
9864 Use xcalloc for insn_arcs_array.
9865 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9866 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9868 2006-01-24 Richard Henderson <rth@redhat.com>
9870 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9873 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9875 PR rtl-optimization/25890
9876 PR rtl-optimization/25905
9877 * combine.c (expand_compound_operation, expand_field_assignment):
9878 Fail if the bitfield's final position is out of bounds.
9880 2006-01-24 Ian Lance Taylor <ian@airs.com>
9883 * cgraphunit.c (cgraph_output_in_order): Don't clear
9884 cgraph_asm_nodes until after asm strings have been output.
9886 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9888 * fix-header.c (read_scan_file): Add new parameter imultilib when
9889 calling register_include_chains.
9891 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9893 * omp-low.c: Update documentation.
9895 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9896 Daniel Berlin <dberlin@dberlin.org>
9900 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9901 return from the function.
9903 2006-01-22 Zack Weinberg <zackw@panix.com>
9905 * rtl.def (match_code): Add second argument.
9906 * genpreds.c (write_extract_subexp): New function.
9907 (write_match_code): Add path argument. Use write_extract_subexp.
9908 (write_predicate_expr): Pass path to write_match_code.
9909 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9910 not perform a mode test.
9911 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9912 a subexpression does not constrain the top-level code set.
9913 * read-rtl.c (read_rtx_variadic): New function.
9914 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9915 * doc/md.texi: Document new notation.
9916 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9917 (cmpsi_operand): ... here, using new notation.
9919 2006-01-22 Zack Weinberg <zackw@panix.com>
9921 * varray.c: Remove GENERATOR_FILE #ifdefs.
9923 2006-01-22 Zack Weinberg <zackw@panix.com>
9925 * genautomata.c (output_reserved_units_table): Emit nothing if
9926 description->query_units_num is zero. Remove extra blank line.
9927 (output_cpu_unit_reservation_p): Short circuit
9928 if description->query_units_num is zero.
9930 2006-01-22 Zack Weinberg <zackw@panix.com>
9932 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9933 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9934 nor any of the random handful of variables that used to be necessary
9935 when this program was linked with rtlanal.o. Prune set of forward
9936 function declarations.
9937 (struct attr_desc): Remove static_p field.
9938 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9939 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9940 (attr_string): Do not read the character one past the length of
9942 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9943 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9944 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9945 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9946 (make_automaton_attrs): New.
9947 (main): Do not call into genautomata. Call local gen_bypass
9948 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9949 Remove special case for insn_alts.
9950 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9951 varray.h (leftover from previous change). Prune set of forward
9952 function declarations. Remove state_alts fields from all
9953 structures. Remove state_alts_table from struct automaton.
9954 Make everything except main static. Do not maintain num_dfa_decls.
9955 Do not maintain state_alts fields of various structures.
9956 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9957 (add_arc): Remove state_alts argument. All callers updated.
9958 (output_reserved_units_table): Emit #ifdef here...
9959 (output_tables): ...not here. Don't generate state_alts tables.
9960 (expand_automata): Don't generate attributes.
9961 (write_automata): Don't generate state_alts functions.
9962 (main): New function.
9963 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9964 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9965 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9966 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9967 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9968 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9969 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9970 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9972 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9973 * genattrtab.h: Delete file.
9974 * Makefile.in (OBJS-common): Add insn-automata.o.
9975 (insn-automata.o): New rule.
9976 (simple_generated_c): Add insn-automata.c.
9977 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9978 (genprogmd): Add automata.
9979 (build/genattrtab): Needs no extra objects nor libraries.
9980 (build/genautomata): Needs build/vec.o and -lm.
9982 2006-01-22 Zack Weinberg <zackw@panix.com>
9984 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9985 (output_dfa_max_issue_rate, locked_states_num): Delete.
9986 (struct automaton): Add locked_states field.
9987 (output_dead_lock_vect): Save number of locked states in
9988 automaton->locked_states. If it is zero, don't print anything.
9989 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9990 (output_internal_dead_lock_func): Only test the dead_lock_vect
9991 for automata that have locked states.
9992 (output_statistics): Always print the number of locked states for
9993 each automaton. Calculate total number of locked states here.
9994 (write_automata): Don't call output_dfa_max_issue_rate.
9995 * genattrtab.c: Define length_unit_log as a const variable.
9996 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9997 max_insn_queue_index const.
9998 * final.c (length_unit_log): Declare const.
9999 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10001 2006-01-22 Zack Weinberg <zackw@panix.com>
10003 * genautomata.c: Include vec.h, not varray.h.
10004 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10005 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10006 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10007 VEC_* macros operating on appropriately typed vectors, or to
10008 malloced arrays when the size is known in advance. Const-ify
10009 many char* variables and function arguments. No functional changes.
10010 * Makefile.in (build/varray.o): Delete rule.
10011 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10012 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10014 2006-01-22 Zack Weinberg <zackw@panix.com>
10016 * gensupport.c: Define get_insn_name and record_insn_name here.
10017 (read_md_rtx): Call record_insn_name as appropriate.
10018 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10019 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10020 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10022 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10023 (BUILD_VARRAY): Delete.
10024 (genprognormal): Rename genprogmd. Fold in all programs from
10025 genprognoprint; also attrtab.
10026 (build/genattrtab): Just mention genautomata.o and varray.o.
10027 Reorganize a bit, add comments to make the categories clearer.
10029 2006-01-22 Zack Weinberg <zackw@panix.com>
10031 * genconditions.c (condition_table, add_condition): Delete.
10032 (write_conditions): Don't emit n_insn_conditions nor
10033 insn_elision_unavailable. Issue the gcc version #ifdef here,
10034 inside the table, with no #else clause ...
10035 (write_header): ...not here.
10036 (write_writer): New function.
10037 (main): Don't initialize condition_table. Use add_c_test.
10039 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10040 files on the command line.
10041 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10042 Return -1 if there is no entry in the table, don't abort.
10043 (add_c_test, traverse_c_tests): New functions.
10044 * gensupport.h (insn_elision_unavailable, insn_conditions)
10045 (n_insn_conditions): Delete declarations.
10046 (add_c_test, traverse_c_tests): Declare.
10047 * read-rtl.c: Include gensupport.h.
10048 (read_conditions): New function.
10049 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10050 (read_rtx_1): If we get EOF when we were looking for an initial
10051 open paren, return 0. Call read_conditions when appropriate.
10052 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10053 dummy-conditions.o. Eliminate references to insn-conditions.o,
10054 or change them to build/gencondmd.o, as appropriate. Remove
10055 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10056 from $(simple_generated_c). For all files remaining in those
10057 two lists, add insn-conditions.md to the generator command line.
10058 Give insn-constants.h/s-constants their own rules. Add rules
10059 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10060 (build/read-rtl.o): Depend on gensupport.h.
10061 (genprognormal): Include preds.
10062 (genprogearly): Rename genprognoprint; only difference is now that
10063 they don't link with $(BUILD_PRINT).
10064 * dummy-conditions.c: Delete.
10066 2006-01-22 Zack Weinberg <zackw@panix.com>
10068 * genextract.c: Don't include insn-config.h. Do include vec.h.
10069 Declare vectors of int, char, and locstr.
10070 (locstr): New typedef.
10071 (struct extraction): Make all array fields into bare pointers.
10072 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10073 (insn_code_number): Delete.
10074 (accum_extract): New struct.
10075 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10076 (gen_insn): Take insn_code_number as an argument. Use an
10077 accum_extract structure instead of loading data directly into
10078 a struct extraction, and having to know how big it might get.
10079 (walk_rtx): Operate entirely on an accum_extract structure.
10080 (print_path): Avoid unnecessary use of printf.
10081 (print_header): New function, split out of main. Distinguish
10082 more carefully between an unrecognizable insn and an insn that
10083 has the code number of a define_expand.
10084 (main): Pass insn_code_number to gen_insn. Call print_header
10085 only after parsing. Avoid unnecessary use of printf.
10086 * Makefile.in (build/vec.o): New rule.
10087 (build/genextract): Depend on build/vec.o.
10088 (build/genextract.o): Don't depend on insn-config.h.
10090 2006-01-22 Zack Weinberg <zackw@panix.com>
10092 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10093 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10094 practical. Eliminate per-generator-program link rules.
10096 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10098 PR middle-end/24437
10099 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10100 with a call expr to ...
10101 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10103 2006-01-23 Richard Guenther <rguenther@suse.de>
10105 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10106 before make_edge with conditional EDGE_TRUE_VALUE.
10108 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10109 Jan Hubicka <jh@suse.cz>
10110 Richard Guenther <rguenther@suse.de>
10112 PR rtl-optimization/25654
10113 * cfgexpand.c (aggregate_contains_union_type): New function.
10114 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10115 for structure variables that contain a union type.
10117 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10119 * gengtype.c (new_structure): Return the structure.
10120 (create_option): Add an extra "next" argument.
10121 (create_field): New function.
10122 (adjust_field_rtx_def): Use create_option and create_field.
10123 Remove a now-unnecessary call to find_structure.
10124 (adjust_field_tree_def): Likewise.
10125 (note_yacc_type): Remove an unnecessary call to find_structure.
10126 * gengtype.h (new_structure): Return the structure.
10127 (create_option): Add an extra argument.
10128 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10129 (option): Adjust calls to create_option.
10131 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10133 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10135 2006-01-22 Paul Brook <paul@codesourcery.com>
10136 Peter Barada <peter@the-baradas.com>
10138 * config/m68k/m68k.md: Add Coldfire FPU support.
10139 Define FP mode macro and associated attributes.
10140 Use it for float mode patterns.
10141 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10142 (LIBCALL_VALUE): Use m68k_libcall_value.
10143 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10144 (m68k_function_value): Ditto.
10145 (emit_move_sequence): Ditto.
10146 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10147 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10148 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10149 (MULTILIB_EXCEPTIONS): Ditto.
10150 * config/m68k/m68k.opt: Add mcfv4e.
10151 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10152 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10153 (m68k_output_function_prologue): Save ColdFire FPU registers.
10154 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10155 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10156 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10157 ColdFire FPU registers.
10158 (m68k_libcall_value, m68k_function_value): New functions.
10159 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10160 (LIBCALL_VALUE): Use m68k_libcall_value.
10161 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10162 (MASK_COLDFIRE): Add MASK_CFV4E.
10163 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10164 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10165 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10166 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10167 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10168 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10169 * doc/invoke.tex: Document -mcfv4e on m68k.
10171 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10173 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10176 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10179 * c-opts.c (c_common_handle_option): Don't include
10180 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10181 * doc/invoke.texi (C++ Dialect Options): Document that
10182 -Wnon-virtual-dtor is no longer included in -Wall.
10184 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10186 * gcov.c (print_version), gcov-dump.c (print_version),
10187 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10190 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10192 * df-scan.c (problem_SCAN): Added NULL reset function.
10193 (df_scan_reset_blocks): Added code to call reset block function
10194 (df_bb_refs_delete) Fixed comment.
10195 (df_insn_refs_delete): Made tolerant of deleting non existent info
10196 for dataflow problems that need to be reset.
10197 * df-core.c (df_set_blocks): Ditto.
10198 * df.h (struct df_problem): Added reset_fun.
10199 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10200 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10201 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10202 functions to clear out all references to def-use or use-def chains.
10204 2006-01-21 Ben Elliston <bje@au.ibm.com>
10206 * varasm.c (assemble_real): Initialise data array.
10208 2006-01-20 Paul Brook <paul@codesourcery.com>
10210 Merge from csl-arm-branch.
10211 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10212 * config/arm/arm.md (movdi): Force operands[1] to a register
10213 if we have a non-register source.
10214 (*arm_movdi, *movdf_soft_insn): Require that one of the
10215 operands be a register.
10216 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10217 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10219 2006-01-20 DJ Delorie <dj@redhat.com>
10221 * varasm.c (initializer_constant_valid_p): Allow pointers
10222 initialized from integer constants of lesser precision.
10223 (output_constant): Allow non-int-sized pointer modes to be
10224 initialized from integer constants.
10226 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10229 * cppdefault.h (struct default_include): Add multilib flag.
10230 * cppdefault.c (cpp_include_defaults): Set it.
10231 * c.opt (-imultilib): New option.
10232 * c-opts.c (imultilib): New.
10233 (c_common_handle_option): Handle -imultilib.
10234 (c_common_post_options): Likewise.
10235 * c-incpath.c (add_standard_paths, register_include_chains):
10237 * c-incpath.h (register_include_chains): Add extra parameter.
10238 * gcc.c (do_spec_1): Generate -imultilib option.
10239 (The Specs Language): Update %I description.
10240 (process_command): Update copyright notice.
10241 * doc/cppopts.texi (-imultilib): Document.
10242 * doc/invoke.texi (-imultilib): Include in option summary.
10243 (%I): Update specs documentation.
10245 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10247 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10249 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10251 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10254 2006-01-20 Richard Guenther <rguenther@suse.de>
10255 Steven Bosscher <stevenb.gcc@gmail.com>
10257 PR rtl-optimization/24626
10258 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10259 EDGE_TRUE_VALUE if in RTL mode.
10262 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10263 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10265 2006-01-20 Dirk Mueller <dmueller@suse.com>
10268 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10269 instead of a special NOP marker.
10270 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10271 NOP marker handling.
10272 * c-common.h (empty_body_warning): Add forward declaration.
10273 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10274 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10276 2006-01-20 Paul Brook <paul@codesourcery.com>
10278 * Makefile.in (lang_checks): Keep going if mkdir fails.
10280 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10282 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10283 be able to clean out basic block when not necessary.
10284 (df_scan_free): Fixed to properly delete information if df is
10285 unused before calling df_finish.
10286 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10287 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10289 (df_bb_refs_delete): New function.
10290 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10291 * df-core.c (df_set_blocks): Added code to properly clean out
10292 unused blocks if they are not part of the blocks to consider.
10293 Added additional null check.
10294 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10295 be able to clean out basic block when not necessary
10296 * df.h (df_free_bb_function): Ditto.
10297 (df_bb_refs_delete): New function.
10298 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10299 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10300 basic block parameter to be able to clean out basic block when not
10302 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10303 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10304 Fixed to properly delete information if df is unused before
10307 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10309 PR rtl-optimization/25799
10310 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10311 Corrected confluence operator to remove bits from op2 before oring
10312 with op1 rather than removing bits from op1.
10313 (df_ru_transfer_function): Corrected test on wrong bitmap which
10314 caused infinite loop. Both of these problems were introduced in
10315 the dataflow rewrite.
10317 2006-01-19 DJ Delorie <dj@redhat.com>
10319 * reload1.c (find_reload_regs): Note the details of reload
10320 failures in the dump file.
10321 (spill_failure): Likewise.
10323 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10325 * loop-iv.c: Include df.h and hashtab.h.
10326 (enum iv_grd_result): New enum.
10327 (DF_REF_IV, DF_REF_IV_SET): New macros.
10328 (struct biv_entry): New.
10329 (df, bivs): New global variables.
10330 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10331 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10333 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10334 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10335 analyzed_for_bivness_p, record_biv): New functions.
10336 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10337 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10338 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10340 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10342 (iv_number_of_iterations): Use new interface to iv analysis.
10343 * loop-unroll.c: Do not include varray.h.
10344 (analyze_iv_to_split_insn): Use new interface to iv
10346 * loop-unswitch.c (may_unswitch_on): Ditto.
10347 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10349 (df_bb_modify): Realloc tables to the new index.
10350 (df_find_use): New function.
10351 * df.h (df_find_use): Declare.
10352 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10354 * cfgloop.h (struct rtx_iv): Remove analysed field.
10355 (iv_get_reaching_def): Removed.
10356 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10357 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10358 (loop-iv.o): Add df.h and hashtab.h dependency.
10359 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10361 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10364 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10366 (__floatundisf, __floatundidf): Likewise.
10367 * libgcc2.h (IS_IBM_EXTENDED): Define.
10369 2006-01-19 DJ Delorie <dj@redhat.com>
10371 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10373 2006-01-19 Paul Brook <paul@codesourcery.com>
10375 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10376 as nothrow when unwinding tables are disabled.
10378 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10381 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10382 of bit-field" when in system header.
10384 2006-01-19 DJ Delorie <dj@redhat.com>
10386 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10387 the 16 bit shift limit of the m16c.
10389 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10392 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10393 * config/i386/i386.c (output_set_got): Output the label if we have one
10394 for the TARGET_DEEP_BRANCH_PREDICTION case.
10396 2006-01-19 Jan Hubicka <jh@suse.cz>
10397 H.J. Lu <hongjiu.lu@intel.com>
10398 Evandro Menezes <evandro.menezes@amd.com>
10400 * invoke.texi (generic): Document
10402 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10403 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10404 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10405 (x86_use_incdec, x86_pad_returns): New variables
10406 (TARGET_CPU_DEFAULT_generic): New constant
10407 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10408 (enum processor_type): Add generic32 and generic64.
10409 * i386.md (cpu attribute): Add generic32/generic64
10410 (movhi splitter): Behave sanely when both partial_reg_dependency and
10411 partial_reg_stall are set.
10412 (K8 splitters): Enable for generic as well.
10413 * predicates.md (incdec_operand): Use TARGET_INCDEC
10414 (aligned_operand): Avoid memory mismatch stalls.
10415 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10416 * ppro.md: Enable for generic32
10417 * i386.c (generic64_cost, generic32_cost): New.
10418 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10419 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10420 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10421 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10422 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10423 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10424 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10425 x86_accumulate_outgoing_args, x86_prologue_using_move,
10426 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10427 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10428 Enable for generic.
10429 (x86_use_incdec, x86_pad_returns): New.
10430 (override_options): Add generic32 and generic64, translate "generic"
10431 to generic32/generic64 and "i686" to "generic32", refuse
10432 "generic32"/"generic64" as arch target.
10433 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10434 (ix86_reorg): Honor PAD_RETURNS.
10436 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10438 * tree-pretty-print.c (dump_generic_node): Handle
10439 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10440 * cgraph.c (cgraph_expand_queue): Rename from
10441 cgraph_analyze_queue. Update all users.
10442 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10443 cgraph_expand_queue.
10444 (cgraph_expand_all_functions): Likewise.
10445 (cgraph_finalize_pending_functions): Remove. Update callers.
10447 * tree.h (OMP_DIRECTIVE_P): Define.
10448 (OMP_PARALLEL_FN): Define.
10449 (OMP_PARALLEL_DATA_ARG): Define.
10450 (OMP_SECTIONS_SECTIONS): Define.
10451 * tree-pass.h (pass_expand_omp): Declare.
10452 * omp-low.c (struct omp_region): Declare.
10453 (struct omp_context): Remove fields 'parallel_type',
10454 'parallel_start_ix' and 'parallel_start_additional_args'.
10456 (struct omp_for_data): Rename from struct expand_omp_for_data.
10457 (omp_regions): New static variable.
10458 (root_omp_region): New static variable.
10459 (find_omp_clause): Make static.
10460 (is_in_combined_parallel_ctx): Remove.
10461 (is_combined_parallel): New.
10462 (extract_omp_for_data): Move earlier in the file.
10463 (workshare_safe_to_combine_p): New.
10464 (get_ws_args_for): New.
10465 (determine_parallel_type): Move earlier in the file.
10466 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10468 (omp_copy_decl): Likewise.
10469 (create_omp_child_function): Likewise.
10470 (lookup_omp_region): New.
10471 (dump_omp_region): New.
10472 (debug_omp_region): New.
10473 (debug_all_omp_regions): New.
10474 (new_omp_region): New.
10475 (scan_omp_parallel): If parallel_nesting_level > 1, the
10476 directive is nested within another parallel directive.
10477 Set OMP_PARALLEL_FN.
10478 (scan_omp_for): Do not try to handle combined parallel+for
10480 Remove FIXME comment.
10481 (scan_omp_nested): Remove.
10482 (scan_omp_1): Do not call scan_omp_nested when
10483 parallel_nesting_level is > 1.
10484 Do not change the DECL_CONTEXT of local variables found.
10485 (lookup_decl_in_outer_ctx): New.
10486 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10487 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10488 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10489 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10490 If CTX is nested, lookup VAR in the outer context when
10491 building copy assignment.
10492 (lower_send_clauses): Rename from expand_send_clauses.
10493 If CTX is nested, lookup VAR in the outer context when
10494 building copy assignments.
10495 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10496 If CTX is nested, lookup VAR in the outer context when
10497 building copy assignments.
10498 (expand_parallel_call): Rename from build_parallel_call.
10499 Handle combined parallel+workshare cases.
10500 Re-implement to emit code into the CFG.
10502 (expand_omp_parallel): Re-implement to emit code into the CFG.
10503 Call move_sese_region_to_fn to outline the sub-graph
10504 containing the parallel region.
10505 (expand_omp_for_1): Remove.
10506 (expand_omp_for_generic): Re-implement to emit code into the
10508 (expand_omp_for_static_nochunk): Likewise.
10509 (expand_omp_for_static_chunk): Likewise.
10510 (expand_omp_for): Likewise.
10511 (expand_omp_sections): Likewise.
10512 (remove_exit_barriers): New.
10513 (expand_omp_synch): New.
10515 (build_omp_regions_1): New.
10516 (build_omp_regions): New.
10517 (execute_expand_omp): New.
10518 (gate_expand_omp): New.
10519 (pass_expand_omp): Define.
10520 (lower_omp_sections): Rename from expand_omp_sections.
10521 Set OMP_SECTIONS_SECTIONS.
10522 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10523 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10524 (lower_omp_single): Rename from expand_omp_simple.
10525 (lower_omp_master): Rename from expand_omp_master.
10526 (lower_omp_ordered): Rename from expand_omp_ordered.
10527 (lower_omp_critical): Rename from expand_omp_critical.
10528 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10529 (lower_omp_for): Re-implement.
10530 (lower_omp_parallel): Re-implement.
10531 (lower_regimplify): Rename from expand_regimplify.
10532 (lower_omp_1): Rename from expand_omp_1.
10533 If there are syntax errors in the program, replace every
10534 OpenMP directive with NOP.
10535 Call lower_omp_* instead of expand_omp_*.
10536 (lower_omp): Rename from expand_omp.
10538 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10539 * tree-gimple.h (enum omp_parallel_type): Remove.
10540 (gimple_boolify): Declare extern.
10541 (find_omp_clause, determine_parallel_type): Remove.
10543 * gimple-low.c (lower_omp_directive): New.
10544 (lower_stmt): Call it.
10545 (record_vars_into): Move from ...
10546 (record_vars): ... here.
10547 Call record_vars_into with current_function_decl.
10549 * gimplify.c (struct gimplify_ctx): Remove fields
10550 combined_pre_p and combined_ctxp. Update users.
10551 (get_formal_tmp_var): Add documentation.
10552 (gimple_boolify): Make extern.
10553 (gimplify_expr_in_ctx): Remove. Update callers.
10554 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10555 will always be a BIND_EXPR.
10556 (gimplify_expr): Handle OMP_RETURN_EXPR.
10557 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10558 (OMP_PARALLEL): Add 3 operands.
10559 (OMP_SECTIONS): Add 1 operand.
10560 (OMP_RETURN_EXPR): Define.
10562 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10563 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10564 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10565 creating a circular free list.
10566 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10568 * tree-flow.h (move_sese_region_to_fn): Declare.
10569 (record_vars_into): Declare.
10570 * tree-cfg.c (make_omp_sections_edges): New.
10571 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10572 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10573 OMP_SECTIONS and OMP_SECTION.
10574 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10575 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10576 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10577 (gather_blocks_in_sese_region): New.
10578 (struct move_stmt_d): Declare.
10579 (move_stmt_r): New.
10580 (move_block_to_fn): New.
10581 (move_sese_region_to_fn): New.
10583 * passes.c (init_optimization_passes): Schedule
10584 pass_expand_omp after pass_init_datastructures.
10586 * tree-ssa-operands.c (get_expr_operands): Handle
10587 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10588 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10590 2006-01-19 Jeff Law <law@redhat.com>
10592 * tree-vrp.c (extract_range_from_assert): Refine the result range
10593 if the variable referenced by the ASSERT_EXPR has a range and
10594 either the tentative result range or the previous range is a
10597 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10599 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10601 2006-01-19 Jan Hubicka <jh@suse.cz>
10603 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10605 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10607 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10608 (expand_compound_operation, expand_field_assignment): Fail if the
10609 bit lengths of an extract operation are out of range.
10610 (make_extraction): Compute wanted_inner_mode based on the position
10611 and length of the extraction. Make it extraction_mode for non-constant
10612 positions, and do not modify offset in that case. When generating a
10613 new MEM, use a mode that can hold the extraction while keeping correct
10614 alignment. Remove code that supported MEMs wrapped by USEs.
10615 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10617 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10619 * config/s390/s390.md ("Y", "y"): New mode attribute.
10620 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10621 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10622 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10623 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10624 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10625 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10626 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10627 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10628 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10629 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10630 "addsi3", "subsi3"): Insn patterns removed.
10631 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10632 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10633 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10634 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10635 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10636 "*sub<mode>3_cconly2"): New insn patterns.
10637 ("addsi3", "subsi3"): New expanders.
10639 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10641 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10642 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10643 existing STMT_VINFO_VECTYPE if available.
10644 (vect_mark_relevant): Add special handling for stmts that are
10645 marked as STMT_VINFO_IN_PATTERN_P.
10646 (vect_analyze_loop): Call vect_pattern_recog.
10647 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10648 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10650 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10651 (vect_recog_func_ptr): New function-pointer type.
10652 * tree-vect-patterns.c: New file.
10653 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10654 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10655 (vect_pattern_recog_1): New functions.
10656 (vect_pattern_recog_funcs): New array of function pointers.
10658 * tree-vectorizer.h (ternary_op): New enum value.
10659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10660 declaration. Revised documentation. Removed redundant dump prints.
10661 Removed redundant argument. Added support for reduction patterns.
10662 (vectorizable_reduction): Added support for reduction patterns.
10663 (vect_transform_stmt): Added support for patterns.
10665 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10666 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10667 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10668 (expand_widen_pattern_expr): New function.
10669 (init_optabs): Initialize new optabs udot_prod_optab,
10671 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10672 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10673 (expand_widen_pattern_expr): New function declaration.
10674 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10676 * tree-inline.c (estimate_num_insns_1): Added cases for new
10677 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10678 * tree-pretty-print.c (dump_generic_node): Likewise.
10679 (op_prio): Likewise.
10680 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10681 * tree-ssa-operands.c (get_expr_operands): Added case for
10683 * tree-vect-patterns.c (widened_name_p): New function.
10684 (vect_recog_dot_prod_pattern): Added function implementation.
10685 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10686 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10687 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10688 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10690 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10691 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10692 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10693 (init_optabs): Initialize new optabs widen_ssum_optab,
10695 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10696 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10697 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10698 use instead of type of def.
10699 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10700 function implementation.
10701 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10702 widen_ssumv8hi): New.
10704 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10707 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10710 * c-decl.c (add_flexible_array_elts_to_size): New function.
10711 (finish_decl): Use it.
10713 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10715 * diagnostic.h: Include options.h.
10716 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10717 dependancies for diagnostic.h.
10718 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10720 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10722 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10723 (ssa_ro_call_cache_valid): Ditto.
10724 * tree-ssa-alias.c (sort_tags_by_id): New function.
10725 (init_transitive_clobber_worklist): Ditto.
10726 (add_to_worklist): Ditto.
10727 (mark_aliases_call_clobbered): Ditto.
10728 (compute_tag_properties): Ditto.
10729 (set_initial_properties): Ditto.
10730 (compute_call_clobbered): Ditto.
10731 (compute_may_aliases): Call compute_call_clobbered and grouping.
10732 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10733 (compute_flow_insensitive_aliasing): Grouping now happens in our
10735 (setup_pointers_and_addressables): Remove clobbering related code.
10736 (add_may_alias): Ditto.
10737 (replace_may_alias): Ditto.
10738 (get_nmt_for): Ditto.
10739 (create_global_var):
10740 (is_escape_site): Return an escape_type enumeration.
10741 * tree-flow-inline.h (is_call_clobbered): Global var does not
10742 imply call clobbered.
10743 (mark_call_clobbered): Take a reason for marking this. Remove
10744 marking of globalness, and cache invalidation.
10745 (clear_call_clobbered): Remove cache invalidation code.
10746 * tree-dfa.c (dump_variable): If details is on, dump the reason
10748 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10750 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10751 (struct var_ann_d): Ditto.
10752 (enum escape_type): New.
10753 (mark_call_clobbered): Adjust prototype.
10754 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10755 are never call clobbered.
10756 Record reasons for escaping.
10757 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10758 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10759 (ssa_ro_call_cache_valid): Ditto.
10760 (clobbered_v_may_defs): Ditto.
10761 (clobbered_vuses): Ditto.
10762 (ro_call_vuses): Ditto.
10763 (clobber_stats): New.
10764 (init_ssa_operands): Zero out clobber stats.
10765 (fini_ssa_operands): Print out clobber stats.
10766 (get_call_expr_operands): Pass callee fndecl to
10767 add_call_read_ops).
10768 (add_call_clobber_ops): Remove use of cache.
10769 Add use of PURE_CONST information.
10770 (add_call_read_ops): Remove use of cache.
10771 Add use of static not_read information.
10773 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10775 Introduce TLS descriptors for i386 and x86_64.
10776 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10777 (TARGET_ANY_GNU_TLS): New macro.
10778 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10779 (struct machine_function): Add tls_descriptor_call_expanded_p.
10780 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10781 (ix86_current_function_calls_tls_descriptor): Likewise.
10782 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10783 (override_options): Introduce gnu2 tls dialect.
10784 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10786 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10788 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10789 (ix86_init_machine_status): Initialize new field.
10790 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10791 (ix86_tls_module_base): New.
10792 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10793 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10794 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10795 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10796 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10797 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10798 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10799 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10800 * config/i386/predicates.md (tls_modbase_operand): New.
10801 (tp_or_register_operand): New.
10803 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10805 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10806 (look_for_address_of): Ditto.
10807 (ipa_init): Walk the function decls.
10808 (static_execute): Don't set readonly on FUNCTION_DECL's.
10810 2006-01-18 Roger Sayle <roger@eyesopen.com>
10812 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10813 for shifts where the source and destination registers are different.
10815 2006-01-18 Paul Brook <paul@codesourcery.com>
10817 Merge from csl-arm-branch.
10818 2005-03-14 Julian Brown <julian@codesourcery.com>
10819 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10820 (aeabi_llsl): Likewise.
10821 (ashrdi3): Likewise.
10822 (aeabi_lasr): Likewise.
10823 (lshrdi3): Likewise.
10824 (aeabi_llsr): Likewise.
10825 2005-03-10 Julian Brown <julian@codesourcery.com>
10826 * config.gcc: Disable shared libgcc for SymbianOS.
10827 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10829 2006-01-18 DJ Delorie <dj@redhat.com>
10831 * c-pragma.c (handle_pragma_diagnostic): New.
10832 (init_pragma): Register it.
10833 * doc/extend.texi: Document it.
10835 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10836 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10837 (diagnostic_context): Add classify_diagnostic[].
10838 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10839 as errors if they're overridden to DK_WARNING.
10840 (diagnostic_initialize): Initialize classify_diagnostic[].
10841 (diagnostic_set_kind_override): New.
10842 (diagnostic_report_diagnostic): Check for kind changes.
10843 * opts.c (common_handle_option): Take lang_mask. Update callers.
10844 Handle OPT_Werror_.
10845 * common.opt (Werror=): New.
10846 * doc/invoke.texi: Document -Werror=*
10848 2006-01-18 Jeff Law <law@redhat.com>
10850 * tree-vrp.c (test_for_singularity): Correct test for new
10851 min limit. Use operand_equal_p rather than pointer equality
10852 for testing if new min/max values are equal.
10854 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10855 using range information until after propagation and folding.
10857 2006-01-18 Richard Henderson <rth@redhat.com>
10858 Aldy Hernandez <aldyh@redhat.com>
10859 Jakub Jelinek <jakub@redhat.com>
10860 Diego Novillo <dnovillo@redhat.com>
10862 * omp-low.c: New file.
10863 * c-omp.c: New file.
10865 2006-01-18 Richard Henderson <rth@redhat.com>
10866 Jakub Jelinek <jakub@redhat.com>
10867 Diego Novillo <dnovillo@redhat.com>
10869 * doc/invoke.texi: Document -fopenmp.
10870 * tree-dump.h (debug_function): Declare.
10871 * hooks.c (hook_bool_tree_bool_false): New function.
10872 (hook_tree_tree_null): Remove.
10873 (hook_tree_tree_tree_null): New.
10874 * hooks.h: Update to match.
10875 * tree-pretty-print.c (debug_tree_chain): New.
10876 (print_generic_expr): Handle TDF_CHAIN.
10877 (dump_generic_node): Handle BLOCK.
10878 Do not abort with incomplete SWITCH_EXPRs.
10879 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10880 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10881 print space after directive name.
10882 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10883 Handle OMP_MASTER and OMP_ORDERED.
10884 Handle printing of OMP_BODY just in one place, goto
10885 dump_omp_body in the rest of OMP_* nodes that have
10887 Don't handle clause nodes here. Update omp statements to
10888 use dump_omp_clauses.
10889 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10890 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10891 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10892 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10893 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10894 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10895 Adjust output for GOMP_PARALLEL.
10896 (dump_omp_clauses): New.
10897 (print_declaration): Dump DECL_VALUE_EXPR.
10898 (op_symbol_1): Split out of op_symbol.
10899 (dumping_stmts): Remove. Update all users.
10900 * cgraph.c (cgraph_analyze_queue): New.
10901 (cgraph_add_new_function): New.
10902 * cgraph.h (cgraph_analyze_queue): Declare.
10903 (cgraph_add_new_function): Declare.
10904 (cgraph_lower_function): Remove.
10905 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10906 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10907 and TYPE_P nodes in its default clause.
10908 (empty_body_p): New.
10909 (tree_range_check_failed): New.
10910 (build5_stat): New.
10911 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10912 OMP_CLAUSE_REDUCTION_MERGE,
10913 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10914 OMP_CLAUSE_PRIVATE_DEBUG,
10915 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10916 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10917 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10918 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10919 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10920 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10921 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10922 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10923 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10924 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10925 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10926 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10927 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10928 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10929 (TREE_RANGE_CHECK): New.
10930 (empty_body_p): Declare.
10931 (enum omp_clause_default_kind): New.
10932 (build_string_literal): Declare.
10933 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10934 (build5_stat, build5): Declare.
10935 * tree-pass.h (TDF_CHAIN): Define.
10936 * tree-pass.h (PROP_gimple_lomp): Define.
10937 (pass_lower_omp): Declare.
10938 * diagnostic.h (debug_tree_chain): Declare.
10939 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10941 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10942 * builtins.c (build_string_literal): Make extern.
10943 * gcc.c (include_spec_function): New.
10944 (static_spec_functions): Add it.
10945 (main): Move load of libgomp.spec ...
10946 (LINK_COMMAND_SPEC): ... here.
10947 (link_gomp_spec): New.
10948 (static_specs): Include it.
10949 (LINK_COMMAND_SPEC): Add link_gomp.
10950 (GOMP_SELF_SPECS): New.
10951 (driver_self_specs): Include it.
10952 (switch_matches): Don't mark inline.
10953 (main): Load libgomp.spec.
10954 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10955 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10956 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10957 * tree-gimple.h (enum omp_parallel): Declare.
10958 (determine_parallel_type): Declare.
10959 (omp_firstprivatize_variable): Declare.
10960 (omp_reduction_init): Declare.
10961 (diagnose_omp_structured_block_errors): Declare.
10962 (struct walk_stmt_info): Add want_return_expr.
10963 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10964 (find_omp_clause): Declare.
10965 (insert_field_into_struct): Declare.
10966 (struct walk_stmt_info): Move from tree-nested.c
10967 (walk_stmts): Declare.
10968 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10970 * cgraphunit.c (cgraph_lower_function): Make static.
10971 (cgraph_finalize_pending_functions): New.
10972 (cgraph_finalize_function): Call it.
10973 (cgraph_finalize_compilation_unit): Likewise.
10974 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10975 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10976 (BT_FN_UINT_UINT): New.
10977 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10978 DEF_FUNCTION_TYPE_VAR_4): Document.
10979 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10980 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10981 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10982 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10983 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10984 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10985 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10986 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10987 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10988 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10989 into separate files.
10990 (DEF_GOMP_BUILTIN): New.
10991 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10992 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10993 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10994 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10995 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10996 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10997 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10998 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10999 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11000 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11001 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11002 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11003 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11004 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11005 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11006 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11007 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11008 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11009 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11010 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11011 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11012 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11013 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11014 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11015 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11016 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11017 * sync-builtins.def: New file, moved from builtins.def.
11018 * omp-builtins.def: New file, moved from builtins.def.
11019 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11020 * gimple-low.c (lower_function_body): Clear data.
11021 (lower_stmt): Do not handle COMPOUND_EXPR.
11022 Remove call to print_node_brief.
11023 * c-tree.h (c_finish_omp_clauses): New prototype.
11024 (C_DECL_THREADPRIVATE_P): Define.
11025 (lookup_name_no_remap, c_omp_remap_private): Remove
11026 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11027 (check_for_loop_decls): Update decl.
11028 (lookup_name_no_remap, c_omp_remap_private): Declare.
11029 (build_indirect_ref, build_modify_expr, pushdecl,
11030 pushdecl_top_level): Move to c-common.h.
11031 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11032 before the switch, but just in the 2 places that need it.
11033 * c-decl.c (diagnose_mismatched_decls): Do not check for
11034 mismatched thread-local attributes when OLDDECL is marked
11035 threadprivate and NEWDECL has no thread-local attributes.
11036 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11037 (c_gimple_diagnostics_recursively): Rename from
11038 c_warn_unused_result_recursively. Invoke
11039 diagnose_omp_structured_block_errors.
11040 (check_for_loop_decls): Return a singular decl found.
11041 * langhooks.c (lhd_omp_predetermined_sharing): Return
11042 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11043 (lhd_omp_firstprivatize_type_sizes): New.
11044 (lhd_omp_assignment): New.
11045 (lhd_omp_predetermined_sharing): New.
11046 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11047 (struct lang_hooks_for_types): Add
11048 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11049 omp_predetermined_sharing, omp_disregard_value_expr,
11050 omp_private_debug_clause, omp_clause_default_ctor,
11051 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11052 (c_finish_omp_clauses): New.
11053 (c_finish_bc_stmt): Diagnose break within omp for.
11054 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11055 (build_unary_op): Return error_mark after reporting
11057 (build_modify_expr): Likewise.
11058 * gimplify.c: Include optabs.h and pointer-set.h.
11059 (enum gimplify_omp_var_data): Declare.
11060 (struct gimplify_omp_ctx): Declare.
11061 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11063 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11064 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11065 (splay_tree_compare_decl_uid): New.
11066 (new_omp_context): New.
11067 (delete_omp_context): New.
11068 (gimple_add_tmp_var): Call omp_add_variable.
11069 (gimplify_bind_expr): Likewise.
11070 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11071 true, disregard DECL_VALUE_EXPR on the decl if any.
11072 (gimplify_expr_in_ctx): New.
11073 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11074 omp_add_variable, omp_notice_variable, omp_is_private
11075 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11076 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11077 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11078 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11079 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11080 gimplify_omp_atomic): New.
11081 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11082 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11083 OMP_CRITICAL and OMP_ATOMIC.
11084 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11085 * c-pragma.h (enum pragma_kind): Add
11086 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11087 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11088 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11089 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11090 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11091 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11092 PRAGMA_OMP_THREADPRIVATE.
11093 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11094 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11095 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11096 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11097 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11098 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11099 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11100 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11101 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11102 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11103 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11104 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11105 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11107 (struct nesting_info): Add field_map,
11108 suppress_expansion, debug_var_chain.
11109 (create_nesting_tree): Initialize them.
11110 (lookup_field_for_decl): Use field_map.
11111 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11112 (convert_local_omp_clauses): New.
11113 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11114 (walk_body): Split out of walk_function.
11115 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11116 (convert_nonlocal_reference): Handle omp statements.
11117 (convert_local_reference): Likewise.
11118 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11119 (unnest_nesting_tree): New.
11120 (lower_nested_functions): Call it.
11121 (insert_field_into_struct): Make extern.
11122 (struct walk_stmt_info): Move to tree-gimple.h.
11123 (walk_stmts): Make extern.
11124 * omp-builtins.def: New file.
11125 * tree-iterator.c (expr_only): Clarify comment.
11126 * c-common.h (pushdecl_top_level, pushdecl,
11127 build_modify_expr, build_indirect_ref,
11128 c_finish_omp_master, c_finish_omp_critical,
11129 c_finish_omp_ordered, c_finish_omp_barrier,
11130 c_finish_omp_atomic, c_finish_omp_flush,
11131 c_finish_omp_for, c_split_parallel_clauses,
11132 omp_clause_default_kind, c_omp_sharing_predetermined,
11133 c_omp_remap_decl): Declare.
11134 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11135 (OBJS-common): Add omp-low.o.
11136 (c-omp.o, omp-low.o): Add.
11137 (gimplify.o): Add dependency on $(OPTABS_H).
11138 (GTFILES): Add omp-low.c.
11139 (gt-stringpool.h): Add.
11140 * tree-cfg.c (set_bb_for_stmt): Do not update the
11141 block-to-labels map if we are currently expanding to RTL.
11142 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11144 Handle IDENTIFIER_NODE.
11145 (tree_verify_flow_info): Do not ICE when emitting error
11146 messages about invalid labels.
11147 (dump_function_to_file): Reset CFUN before emitting the body
11149 (debug_function): New.
11150 * passes.c (init_optimization_passes): Schedule
11152 * langhooks-def.h (lhd_omp_predetermined_sharing,
11153 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11155 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11156 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11157 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11158 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11159 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11160 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11161 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11162 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11163 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11164 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11165 (LANG_HOOK_DECLS): Use them.
11167 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11168 Richard Henderson <rth@redhat.com>
11169 Jakub Jelinek <jakub@redhat.com>
11170 Diego Novillo <dnovillo@redhat.com>
11172 * c-parser.c (pragma_omp_clause): Define.
11173 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11174 (c_parser_compound_statement): Likewise.
11175 (c_parser_statement): Likewise.
11176 (c_parser_pragma): Handle omp pragmas.
11177 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11178 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11179 (c_parser_omp_clause_name, check_no_duplicate_clause,
11180 c_parser_omp_variable_list,
11181 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11182 c_parser_omp_clause_copyprivate,
11183 c_parser_omp_clause_default,
11184 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11185 c_parser_omp_clause_lastprivate,
11186 c_parser_omp_clause_nowait,
11187 c_parser_omp_clause_num_threads,
11188 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11189 c_parser_omp_clause_reduction,
11190 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11191 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11192 c_parser_omp_atomic, c_parser_omp_barrier,
11193 c_parser_omp_critical, c_parser_omp_flush,
11194 c_parser_omp_for_loop, c_parser_omp_for,
11195 c_parser_omp_master, c_parser_omp_ordered,
11196 c_parser_omp_sections_scope, c_parser_omp_sections,
11197 c_parser_omp_parallel, c_parser_omp_single,
11198 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11199 * c-pragma.c (init_pragma): Do omp pragma registration here.
11200 * c.opt (fopenmp): New flag.
11202 2006-01-18 Eric Christopher <echristo@apple.com>
11204 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11205 * config/darwin.h (GOMP_SELF_SPECS): Define.
11207 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11209 * rtl.h: Remove the prototype for reg_alloc.
11211 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11214 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11215 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11216 sjlj and dwarf2 exception handling.
11217 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11218 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11219 * pa/pa.c (function_value): Treat complex and vector types as
11221 (function_arg): Likewise. Only pass scalar floats in the floating
11222 point argument registers.
11223 * pa/t-slibgcc-dwarf-ver: New file.
11224 * pa/t-slibgcc-sjlj-ver: New file.
11225 * pa/t-slibgcc-elf-ver: Delete file.
11227 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11229 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11230 unlikely_test_section_p test.
11232 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11234 * mode-switching.c (optimize_mode_switching): Make it static.
11235 * basic-block.h: Remove the prototype for
11236 optimize_mode_switching.
11238 * modulo-sched.c (sms_schedule): Make it static.
11239 * rtl.h: Remove the prototype for sms_schedule.
11241 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11242 * rtl.h: Remove the prototype for gcse_after_reload_main.
11244 * reg-stack.c (reg_to_stack): Make it static.
11245 * rtl.h: Remove the prototype for reg_to_stack.
11247 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11249 * rtl.h: Remove the prototypes for regrename_optimize and
11250 copyprop_hardreg_forward.
11252 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11254 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11255 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11256 Test against the appropriate null constant for the mode.
11257 If 'fixup_overlap' is true, swap the operands if they overlap.
11258 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11259 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11260 alpha_split_tmode_pair and adjust for above change.
11261 * config/alpha/alpha.md (movtf_internal): Adjust call to
11262 alpha_split_tfmode_pair and rely on it to swap the operands.
11263 (movti_internal): New insn and post-reload splitter.
11264 (movti): New expander.
11266 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11268 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11271 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11273 * rtlanal.c (global_reg_mentioned_p_1,
11274 global_reg_mentioned_p): Remove.
11275 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11277 * flow.c (initialize_uninitialized_subregs): Make it static.
11278 * rtl.h: Remove the prototype for
11279 initialize_uninitialized_subregs.
11281 * function.c (instantiate_virtual_regs): Make it static.
11282 * function.h: Remove the prototype for
11283 instantiate_virtual_regs.
11285 * regmove.c (regmove_optimize, combine_stack_adjustments):
11287 * rtl.h: Remove the prototypes for regmove_optimize and
11288 combine_stack_adjustments.
11290 2006-01-17 Roger Sayle <roger@eyesopen.com>
11292 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11293 (size_cost): Encode costs in bytes so that a reg-reg addition is
11294 equivalent to COSTS_N_INSNS(1).
11295 (override_options): Use the size_cost.branch_cost as the default
11296 ix86_branch_cost when optimizing for size.
11298 2006-01-18 Ben Elliston <bje@au.ibm.com>
11300 * Makefile.in (D32PBIT_FUNCS): New.
11301 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11302 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11303 D64PBIT_FUNCS and D128PBIT_FUNCS.
11304 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11305 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11307 (decnumber_dep): Define.
11308 * doc/libgcc.texi (Decimal float library routines): New node.
11309 * config/dfp-bit.h, config/dfp-bit.c: New files.
11311 2006-01-18 Ben Elliston <bje@au.ibm.com>
11313 * expr.c (emit_move_change_mode): Always adjust addresses, not
11314 just during reload. Copy replacements only during reload.
11315 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11316 emit_move_via_integer.
11318 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11320 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11321 instead of $(srcdir) and ${srcdir}.
11323 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11326 PR middle-end/11135
11327 * arm.h (struct machine_function): Add pic_reg.
11328 * arm.c (arm_pic_register): Make unsigned.
11329 (arm_override_options): Only set arm_pic_register if
11330 TARGET_SINGLE_PIC_BASE.
11331 (use_return_insn): Only test for a pic register if it is fixed.
11332 (arm_compute_save_reg0_reg12_mask): Likewise.
11333 (thumb_compute_save_reg_mask): Likewise.
11334 (legitimate_pic_operand): Factor out some known invariants.
11335 (legitimize_pic_address): If we don't have a fixed pic register,
11336 then set up a pseudo in the function entry sequence. Handle the
11337 pic base being in a pseudo.
11338 (arm_load_pic_register): Handle the pic register being in a pseudo.
11339 (arm_expand_prologue): Only set up the pic register if it is fixed.
11340 (thumb_expand_prologue): Likewise.
11341 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11342 (pic_load_addr_based_insn): Likewise.
11343 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11346 2006-01-18 Ben Elliston <bje@au.ibm.com>
11348 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11349 decimal float modes for all floating point registers.
11351 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11352 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11354 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11357 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11358 even when the pointer is not NULL.
11360 2006-01-16 Ian Lance Taylor <ian@airs.com>
11362 * common.opt (ftoplevel-reorder): New option.
11363 * cgraph.c (cgraph_asm_nodes): New global variable.
11364 (cgraph_asm_last_node): New static variable.
11365 (cgraph_order): New global variable.
11366 (cgraph_create_node): Set new order field.
11367 (cgraph_varpool_node): Likewise.
11368 (decide_is_variable_needed): Return true if not
11369 flag_toplevel_reorder.
11370 (cgraph_add_asm_node): New function.
11371 * cgraph.h (struct cgraph_node): Add order field.
11372 (struct cgraph_varpool_node): Add order field.
11373 (struct cgraph_asm_node): Define.
11374 (cgraph_asm_nodes, cgraph_order): Declare.
11375 (cgraph_add_asm_node): Declare.
11376 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11378 (cgraph_varpool_assemble_pending_decls): Call it.
11379 (cgraph_output_pending_asms): New static function.
11380 (cgraph_finalize_compilation_unit): Call it.
11381 (struct cgraph_order_sort): Define.
11382 (cgraph_output_in_order): New static function.
11383 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11384 !flag_toplevel_reorder case.
11385 * c-parser.c: Include "cgraph.h".
11386 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11388 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11389 than -fno-unit-at-a-time.
11390 * doc/invoke.texi (Option Summary): Mention
11391 -fno-toplevel-reorder.
11392 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11393 -funit-at-a-time documentation.
11395 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11396 Kazu Hirata <kazu@codesourcery.com>
11398 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11400 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11402 * Makefile.in (FUNCTION_H): New. Use it instead of
11403 function.h throughout the file.
11404 * function.h: Include tree.h.
11406 2006-01-17 Ben Elliston <bje@au.ibm.com>
11408 * recog.c: Separate some functions with whitespace.
11410 2006-01-16 Richard Henderson <rth@redhat.com>
11412 Merge from gomp branch:
11413 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11414 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11415 and rename from struct inline_data. Rename callee* to dst*;
11416 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11417 transform_new_cfg, transform_return_to_modify, and
11418 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11420 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11421 (copy_decl_for_dup): Remove.
11422 * tree-inline.c (struct inline_data): Move to header.
11423 (insert_decl_map): Export.
11424 (remap_decl): Update for member name changes. Use copy_decl hook.
11425 Allow for replacement to be a non-decl. Remove dead code.
11426 (remap_type_1): Check for existing mapping.
11427 (remap_type): Export.
11428 (remap_decls): Update for member name changes.
11429 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11430 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11431 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11432 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11433 (tree_function_versioning, build_duplicate_type): Likewise.
11434 (copy_body_r): Likewise. Export.
11435 (copy_decl_for_dup): Split into ...
11436 (copy_decl_for_dup_finish, copy_decl_to_var,
11437 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11438 (replace_ref_tree, inlining_p): Remove.
11440 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11442 * ifcvt.c (if_convert): Make it static.
11443 * rtl.h: Remove the prototype for if_convert.
11445 * local-alloc.c (local_alloc): Make it static.
11446 * rtl.h: Remove the prototype for local_alloc.
11448 * loop.c (loop_optimize): Make it static.
11449 * cfgloop.h: Remove the prototype for loop_optimize.
11452 2006-01-16 DJ Delorie <dj@redhat.com>
11454 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11457 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11459 * pa.md: Disparage copies between general and floating-point registers
11460 in 32-bit move patterns.
11462 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11465 * Makefile.in (check-%): Depend on site.exp instead of
11466 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11469 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11471 * global.c (global_alloc): Make it static.
11472 * rtl.h: Remove the prototype for global_alloc.
11474 2006-01-16 Richard Guenther <rguenther@suse.de>
11476 * tree-ssa-alias.c (struct used_part): Add write_only field.
11477 (get_or_create_used_part_for): Initialize it to true.
11478 (create_overlap_variables_for): Don't create structure variables
11479 for structures that only are written to.
11480 (find_used_portions): Handle MODIFY_EXPR to track whether a
11481 structure is only written to.
11483 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11485 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11487 * basic-block.h: Remove the prototype for
11488 partition_hot_cold_basic_blocks.
11490 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11492 * cppspec.c (lang_specific_spec_functions): Remove.
11493 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11494 * gcc.h (lang_specific_spec_functions): Remove.
11495 * gccspec.c (lang_specific_spec_functions): Remove.
11497 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11499 * combine.c (record_value_for_reg): Invalidate registers
11501 (record_dead_and_set_regs_1): Likewise, by passing them to
11502 record_value_for_reg.
11503 (record_dead_and_set_regs): Invalidate stores made by a
11504 call. We do not combine across a call, but we still
11505 relied on equivalences.
11507 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11509 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11510 vrp_int_const_binop returning non-constant nodes.
11512 2006-01-16 Paul Brook <paul@codesourcery.com>
11514 * config/m68k/m68k.c (output_move_const_into_data_reg):
11515 Output correct mnemonic for mvz and mvs.
11517 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11519 * rtl-factoring.c: Add sequence abstraction algorithm.
11520 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11521 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11523 (block_has_preserve_label): New function.
11524 * common.opt: Register new pass.
11525 * Makefile.in: Ditto.
11527 * timevar.def: Ditto.
11528 * tree-pass.h: Ditto.
11529 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11530 * rtl.h (make_jump_insn_raw): Add forward decl.
11531 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11533 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11534 Roger Sayle <roger@eyesopen.com>
11536 * fold-const.c (fold_minmax): New static function.
11537 (fold_binary) <MIN_EXPR>: Call it.
11538 <MAX_EXPR>: Likewise.
11539 * stor-layout.c (place_field): Use DECL_SIZE consistently
11540 in the computation of the new record size.
11542 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11544 * cse.c (cse_condition_code_reg): Make it static.
11545 * rtl.h: Remove the prototype for cse_condition_code_reg.
11547 * combine.c (combine_instructions): Make it static.
11548 * rtl.h: Remove the prototype for combine_instructions.
11550 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11553 * tree.c (get_file_function_name_long): Concatenate the first global
11554 object name with a string derived from the input filename of the object
11557 2006-01-16 Ben Elliston <bje@au.ibm.com>
11559 * config/i386/winnt-stubs.c: Update FSF address.
11560 * config/xtensa/ieee754-df.S: Ditto.
11561 * config/xtensa/ieee754-sf.S: Ditto.
11563 2006-01-14 Ian Lance Taylor <ian@airs.com>
11565 * ifcvt.c (noce_init_if_info): New static function, broken out of
11566 noce_process_if_block.
11567 (noce_process_if_block): Call noce_init_if_info.
11568 (check_cond_move_block): New static function.
11569 (cond_move_process_if_block): New static function.
11570 (process_if_block): Call cond_move_process_if_block.
11572 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11574 * cselib.c (hash_table): Rename to cselib_hash_table.
11575 (cselib_clear_table, discard_useless_values,
11576 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11577 cselib_init, cselib_finish): Adjust uses of hash_table.
11579 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11581 PR tree-optimization/25485
11582 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11583 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11584 is known to be false and true, respectively.
11586 2006-01-14 Richard Guenther <rguenther@suse.de>
11588 PR tree-optimization/22548
11589 PR tree-optimization/22555
11590 PR tree-optimization/22501
11591 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11592 * params.def (salias-max-array-elements): New parameter.
11593 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11594 * doc/invoke.texi (salias-max-array-elements): Document.
11595 * tree-flow-inline.h (var_can_have_subvars): We also handle
11597 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11599 * tree-ssa-structalias.c (params.h): Include.
11600 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11601 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11602 (get_constraint_for): For ADDR_EXPR operating on something
11603 containing an ARRAY_REF, add all subvars to the solution.
11604 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11605 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11606 for creating MUST_DEFs.
11607 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11609 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11611 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11613 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11614 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11615 number_of_iterations_le): New functions.
11616 (number_of_iterations_special): Removed.
11617 (number_of_iterations_exit): Do not use number_of_iterations_special.
11618 * tree.c (unsigned_type_for): Always return integer type.
11620 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11621 Richard Guenther <rguenther@suse.de>
11623 PR rtl-optimization/24257
11624 * gcse.c (find_moveable_store): Only consider a store movable
11625 when the SET_SRC of the insn can be assigned to a register.
11627 2006-01-14 Ian Lance Taylor <ian@airs.com>
11629 * tree.c (tree_not_class_check_failed): New function.
11630 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11631 (tree_not_class_check_failed): Declare.
11633 2006-01-13 Ian Lance Taylor <ian@airs.com>
11635 * reload1.c (do_output_reload): Add assertion rejecting a
11638 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11640 * combine.c (struct reg_stat): Add new fields truncation_label and
11642 (record_value_for_reg): Reset truncated_to_mode.
11643 (record_truncated_value): New function.
11644 (check_promoted_subreg): Call it. Rename to check_conversions.
11645 (combine_instructions): Rename check_promoted_subreg to
11647 (reg_truncated_to_mode): New function.
11648 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11649 (gen_lowpart_or_truncate): New function.
11650 (force_to_mode): Use it instead of gen_lowpart.
11652 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11654 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11655 VAR is a tag, not its type tag.
11657 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11659 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11660 alternatives to match style of other entries.
11661 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11663 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11665 PR tree-optimization/25771
11666 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11669 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11672 * tree-inline.c (declare_return_variable): If the return variable
11673 was marked as a non gimple complex, set the return slot variable
11674 to be a non gimple comple variable.
11676 2006-01-13 Richard Guenther <rguenther@suse.de>
11678 * builtins.c (expand_builtin_sincos): New function.
11679 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11681 (expand_builtin): Expand sincos using expand_builtin_sincos.
11683 2006-01-12 DJ Delorie <dj@redhat.com>
11685 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11686 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11687 so that constant shifts can be split.
11688 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11689 (m32c_valid_pointer_mode): Make static.
11690 (shift_gen_func_for): New.
11691 (m32c_prepare_shift): Use it. Split large const shifts into
11693 * config/m32c/predicates.md (shiftcount_operand): Allow more
11695 (longshiftcount_operand): New.
11696 * doc/md.texi (Machine Constraints): Document In6.
11698 2006-01-13 Ben Elliston <bje@au.ibm.com>
11700 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11701 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11704 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11706 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11707 to try to avoid clobbering pieces of structures when we know
11708 something about the whole structure.
11709 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11711 2006-01-13 Ben Elliston <bje@au.ibm.com>
11713 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11714 return in memory, as this is no limitation is no longer present.
11716 2006-01-12 DJ Delorie <dj@redhat.com>
11718 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11719 mova with fb, and for fb+0 -> An.
11721 * config/m32c/mov.md (peephole2): Fix enabling logic.
11723 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11724 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11725 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11726 FINI_ARRAY_SECTION_ASM_OP): Define.
11728 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11730 (m32c_legitimize_reload_address): New logic to reload FB to An.
11731 (m32c_output_reg_push): Add newline.
11732 (m32c_output_reg_pop): Likewise.
11734 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11736 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11738 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11740 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11742 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11744 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11747 2006-01-11 Ben Elliston <bje@au.ibm.com>
11749 * rtlanal.c (find_reg_note): Assert insn is not null.
11751 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11753 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11756 2006-01-11 Jeff Law <law@redhat.com>
11758 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11760 (mark_threaded_blocks, register_jump_thread): New functions.
11761 (thread_through_all_blocks): Remove unwanted argument. No
11762 longer rely on e->aux to communicate thread target info.
11763 Call mark_threaded_blocks. Release the threaded_blocks
11764 bitmap and threaded_edges vector when complete.
11765 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11766 (threaded_blocks): Remove.
11767 (tree_ssa_dominator_optimize): Remove initialization and
11768 finalization of threaded_blocks. Simplify call to
11769 thread_through_all_blocks.
11770 (thread_across_edge): Call register_jump_thread rather than
11771 storing thread information into e->aux.
11772 (free_all_edge_infos): Simplify now that e->aux is no longer
11773 used to communicate with thread_through_all_blocks.
11774 * tree-flow.h (thread_through_all_blocks): Update prototype.
11775 (register_jump_thread): Prototype.
11777 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11779 * df-core.c (df_compact_blocks, df_bb_replace): Use
11780 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11782 2006-01-11 Richard Guenther <rguenther@suse.de>
11784 PR tree-optimization/25734
11785 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11786 stop propagation after successful propagation to the LHS.
11788 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11790 * basic-block.h (control_flow_graph): Change the type of
11791 x_basic_block_info to VEC(basic_block,gc) *.
11792 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11794 (SET_BASIC_BLOCK): New.
11795 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11796 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11797 * cfgbuild.c (find_basic_blocks): Likewise.
11798 * cfglayout.c (fixup_reorder_chain): Likewise.
11799 * cfgrtl.c (create_basic_block_structure,
11800 rtl_create_basic_block): Likewise.
11801 * ifcvt.c (find_if_case_1): Likewise.
11802 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11805 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11807 * Makefile.in: Removed rotted odf.c entry.
11809 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11812 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11813 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11814 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11815 output pattern modifier, not %e.
11816 * config/cris/cris.c (cris_op_str): Update comment about pattern
11818 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11819 before falling through into...
11820 <case 'E'>: Redefined from old 'e' case.
11822 2006-01-11 Jan Hubicka <jh@suse.cz>
11825 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11827 2006-01-11 Jan Hubicka <jh@suse.cz>
11829 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11830 * i386.c (x86_decompose_lea): Kill.
11831 (ix86_rtx_costs): Kill.
11833 2006-01-11 Jan Hubicka <jh@suse.cz>
11835 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11836 * cgraph.h (cgraph_node): Add inline_decl.
11837 (cgraph_insert_node_to_hashtable): Declare.
11838 (save_inline_function_body): Declare.
11839 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11841 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11842 (cgraph_function_versioning): Update call of tree_function_versioning.
11843 (save_inline_function_body): New function.
11844 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11845 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11846 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11847 (cgraph_default_inline_p): Likewise.
11848 (cgraph_decide_inlining_incrementally): Likewise.
11849 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11850 (copy_bb): Kill saving; do updating of clones.
11851 (copy_cfg_body): Kill saving.
11852 (initialize_inlined-parameters): Likewise.
11853 (expand_call_inline): Likewise.
11855 (tree_function_versioning): New parameter "update_clones".
11856 (inlining_p): Kill saving.
11857 * tree-inline.h (tree_function_versioning): Update prototype.
11858 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11861 2006-01-11 Ian Lance Taylor <ian@airs.com>
11863 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11864 Allow undoing set of machine mode.
11865 (do_SUBST): Use enums instead of is_int.
11866 (do_SUBST_MODE): New function.
11867 (SUBST_MODE): New macro.
11868 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11869 reg and trying to replace reg_regno_rtx with a new register.
11870 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11871 (simplify_set): Use SUBST_MODE.
11872 (distribute_notes): Remove code that tried to update reg notes
11873 for regno_reg_rtx changes.
11875 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11877 PR tree-optimization/23109
11878 PR tree-optimization/23948
11879 PR tree-optimization/24123
11881 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11882 * tree-cfg.c (single_noncomplex_succ): New.
11883 * tree-flow.h (single_noncomplex_succ): Declare it.
11884 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11885 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11886 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11887 insert_bb, register_division_in, insert_reciprocals,
11888 replace_reciprocal, free_bb): New.
11889 (execute_cse_reciprocals_1): Rewritten.
11890 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11891 Do not commit any edge insertion. Always compute dominators and
11892 create the allocation pool.
11893 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11894 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11895 * targhooks.c (default_min_divistions_for_recip_mul): New.
11896 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11897 * passes.c (init_optimization_passes): Run recip after tree loop
11899 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11901 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11902 Kenneth Zadeck <zadeck@naturalbridge.com>
11904 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11905 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11906 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11907 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11908 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11909 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11910 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11911 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11912 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11913 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11914 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11915 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11916 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11917 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11918 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11919 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11920 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11921 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11922 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11923 DF_SCAN_POST_ALLOC): New macros.
11924 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11925 df_free_bb_function, df_local_compute_function, df_init_function,
11926 df_dataflow_function, df_confluence_function_0,
11927 df_confluence_function_n, df_transfer_function,
11928 df_finalizer_function, df_free_function, df_dump_problem_function,
11929 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11930 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11931 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11932 df_urec_bb_info, ) New types.
11933 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11935 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11936 df_analyze_simple_change_some_blocks,
11937 df_analyze_simple_change_one_block, df_compact_blocks,
11938 df_bb_replace, df_bb_regno_last_use_find,
11939 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11940 df_insn_regno_def_p, df_find_def, df_find_use,
11941 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11942 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11943 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11944 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11945 debug_df_chain, df_get_dependent_problem, df_chain_create,
11946 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11947 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11948 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11949 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11950 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11951 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11952 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11953 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11954 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11955 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11956 df_reorganize_refs, df_set_state, df_hard_reg_init,
11957 df_read_modify_subreg_p) New public functions.
11958 * df-core.c: The core dataflow solver and glue routines for rtl
11960 (df_init, df_add_problem, df_set_blocks, df_finish,
11961 df_hybrid_search_forward, df_hybrid_search_backward,
11962 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11963 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11964 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11965 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11966 df_reg_defined, df_find_use, df_reg_used, df_dump,
11967 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11968 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11969 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11970 debug_df_useno, reset_df_after_reload): New functions.
11971 * df-scan.c: The scanning fuctions, once in df.c, completely
11972 rewritten so that they now fully model the functionality of
11973 register usage at the backend.
11974 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11975 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11976 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11977 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11978 df_get_artificial_defs, df_get_artificial_uses,
11979 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11980 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11981 df_refs_delete, df_reorganize_refs, df_set_state,
11982 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11983 df_def_record_1, df_defs_record, df_uses_record,
11984 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11985 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11986 df_record_exit_block_uses, df_hard_reg_init): New functions.
11988 * df-problems.c: Seven concrete dataflow problems that use the
11989 scanning in df-scan.c and are solved by the engine in df-core.c.
11990 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11991 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11992 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11993 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11994 df_ru_free_bb_info, df_ru_alloc,
11995 df_ru_bb_local_compute_process_def,
11996 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11997 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11998 df_ru_transfer_function, df_ru_free, df_ru_dump,
11999 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12000 df_rd_free_bb_info, df_rd_alloc,
12001 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12002 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12003 df_rd_transfer_function, df_rd_free, df_rd_dump,
12004 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12005 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12006 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12007 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12008 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12009 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12010 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12011 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12012 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12013 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12014 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12015 df_urec_mark_reg_use_for_earlyclobber,
12016 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12017 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12018 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12019 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12020 df_chain_create_bb_process_use, df_chain_create_bb,
12021 df_chain_finalize, df_chain_free, df_chains_dump,
12022 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12023 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12024 df_reg_lifetime): New functions.
12025 * df.c: Deleted file.
12026 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12027 consistent with new df api.
12028 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12029 rest_of_handle_sms): Ditto.
12030 * web.c (unionfind_union, union_defs, entry_register, web_main):
12032 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12033 invariant_expr_equal_p, find_defs, check_dependencies,
12034 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12035 free_inv_motion_data, move_loop_invariants): Ditto.
12036 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12037 Update dependencies.
12038 (odf.c): Added defective entry that was deleted later in day.
12039 * sched-deps.c (sched_analyze_1): Ditto.
12041 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12043 * tree-ssa-operands.c (get_expr_operands): Record addressable
12044 variables directly. Do not call add_stmt_operands for CONST_DECLs
12046 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12047 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12049 2006-01-11 Ben Elliston <bje@au.ibm.com>
12051 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12052 function returns true in the positive case.
12054 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12057 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12058 for SI, DI, SF and DF modes. Add alternatives to copy between
12059 general and floating point registers to the 32-bit patterns.
12060 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12061 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12062 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12063 generating 64-bit code.
12064 * config/pa/pa.c (output_move_double): Handle copies between general
12065 and floating registers.
12067 2006-01-10 Stuart Hastings <stuart@apple.com>
12069 * config/i386/i386.md (set_got): Update.
12070 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12071 (builtin_setjmp_receiver): Mach-O support.
12072 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12073 (GOT_SYMBOL_NAME): Define.
12074 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12075 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12076 * config/i386/i386.c (override_options): Revise for Darwin.
12077 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12078 support. (darwin_x86_file_end): New. (output_set_got): Add label
12079 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12080 * config/i386/i386-protos.h (output_set_got): Likewise.
12081 * config/darwin.c (machopic_legitimize_pic_address): Update
12084 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12086 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12087 when MODE isn't BLKmode.
12089 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12091 PR rtl-optimization/25367
12092 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12094 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12097 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12098 for a negative bound.
12100 2006-01-10 Richard Guenther <rguenther@suse.de>
12102 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12103 Never override with anything constraint.
12105 2006-01-10 Jan Beulich <jbeulich@novell.com>
12107 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12108 256 bits when optimize_size.
12110 2006-01-10 Jan Beulich <jbeulich@novell.com>
12112 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12114 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12115 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12118 2006-01-10 Ben Elliston <bje@au.ibm.com>
12120 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12122 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12123 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12124 (USE_FP_FOR_ARG): Reject decimal float modes.
12125 (function_arg_advance): Likewise.
12126 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12127 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12128 point types in AltiVec vectors.
12129 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12130 (rs6000_libcall_value): Likewise.
12132 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12134 * config/xtensa/ieee754-df.S: New file.
12135 * config/xtensa/ieee754-sf.S: New file.
12136 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12137 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12138 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12140 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12142 * config/sh/predicates.md (binary_float_operator,
12143 binary_logical_operator, commutative_float_operator,
12144 equality_comparison_operator, greater_comparison_operator,
12145 less_comparison_operator, logical_operator,
12146 noncommutative_float_operator, shift_operator,
12147 symbol_ref_operand, unary_float_operator): Remove redundant
12150 2006-01-09 Jeff Law <law@redhat.com>
12152 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12153 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12154 now unused arguments. Callers updated.
12155 (eliminate_redundant_computations): Remove now unused arguments,
12157 (local_fold): Remove, no longer used.
12158 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12160 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12161 (simplify_cond): New function.
12162 (forward_propagate_into_cond): Call simplify_cond.
12164 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12166 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12167 (*vec_extractv2di_1_sse): New.
12169 2006-01-09 Ben Elliston <bje@au.ibm.com>
12171 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12173 2006-01-08 Richard Guenther <rguenther@suse.de>
12175 * tree-ssa-structalias.c (get_constraint_for): Remove
12176 anyoffset argument.
12177 (get_constraint_for_component_ref): Likewise.
12178 (do_deref): Likewise.
12179 (get_constraint_for): Likewise.
12180 (do_structure_copy): Likewise.
12181 (handle_ptr_arith): Likewise.
12182 (find_func_aliases): Likewise. Remove unused need_anyoffset
12185 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12186 Kaz Kojima <kkojima@gcc.gnu.org>
12188 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12189 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12190 (EXTRA_CONSTRAINT_C16): Remove.
12191 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12192 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12193 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12194 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12195 constants of SHmedia. Handle nested constant expressions of
12197 (andcosts): Fix the costs for SHmedia constants.
12198 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12199 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12200 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12201 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12202 (movv4hi_i, movv2si_i): Likewise.
12203 (movsi_const): Adjust the second operand of ior so to match with
12204 the Csu constraint.
12205 (movdi_const, movdi_const_32bit): Likewise.
12206 (movdi_const_16bit+1): Don't sign-extend LOW.
12207 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12209 (*double_shori): Fix the split condition. Use GEN_INT instead
12210 of get_int_mode calls. Mask lower 16-bit of the argument of
12212 (sym2GOTPLT): Remove.
12213 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12215 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12216 instead of EXTRA_CONSTRAINT_C16.
12218 2006-01-07 Ian Lance Taylor <ian@airs.com>
12219 David Edelsohn <edelsohn@gnu.org>
12221 PR rtl-optimization/25662
12222 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12223 for constant operands instead of simplify_gen_binary.
12224 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12225 after trying simplify_binary_operation
12227 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12229 * tree.c (iterative_hash_expr): Hash decls based on UID.
12231 2006-01-06 Eric Christopher <echristo@apple.com>
12233 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12234 (TARGET_UNWIND_EMIT): Fix spelling.
12235 * target.h (gcc_target): Add except_table_label.
12236 * except.c (output_function_exception_table): Use.
12237 * varasm.c (default_emit_except_table_label): New.
12238 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12240 (asm_out): Add here.
12241 * output.h (default_emit_except_table_label): Prototype.
12242 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12243 * config/darwin.c (darwin_emit_except_table_label): Define.
12244 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12246 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12248 PR tree-optimization/18527
12249 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12250 number_of_iterations_special, number_of_iterations_exit):
12251 Move base and step of an iv to a single structure. Add
12252 no_overflow flag, and use it in # of iterations analysis.
12253 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12254 folded_casts argument.
12255 (simple_iv): Pass base and step in a structure. Set no_overflow
12257 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12258 Evaluate expensiveness of computing # of iterations instead of
12259 the final expression.
12260 * tree-scalar-evolution.h (affine_iv): New structure.
12261 (simple_iv): Declaration changed.
12262 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12263 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12264 find_givs_in_stmt): Changed due to simple_iv change.
12266 2006-01-06 Jeff Law <law@redhat.com>
12269 * tree-cfg.c (bsi_replace): Rename final argument from
12270 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12271 change (stmt -> orig_stmt).
12272 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12273 (bsi_remove): Add new argument. Remove EH information
12275 (verify_eh_throw_table_statements): New function.
12276 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12278 * tree-optimize.c (execute_free_cfg_annotations): Verify
12279 the EH throw statement table after removing annotations.
12280 * except.h (verify_eh_throw_table_statements): Prototype.
12281 * tree-flow.h (bsi_remove): Update prototype.
12282 * tree-vrp.c (remove_range_assertions): Add new argument to
12284 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12285 * tree-complex.c (expand_complex_div_wide): Likewise.
12286 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12287 * tree-tailcall.c (eliminate_tailcall): Likewise.
12288 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12289 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12290 * tree-nrv.c (tree_nrv): Likewise.
12291 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12292 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12293 (combine_blocks): Likewise.
12294 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12295 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12296 (cleanup_control_flow): Likewise.
12297 (remove_forwarder_block): Likewise.
12298 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12299 * tree-sra.c (sra_replace): Likewise.
12300 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12301 (forward_propagate_single_use_vars): Likewise.
12302 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12303 * tree-inline.c (expand_call_inline): Likewise.
12304 * tree-vect-transform.c (vect_transform_loop): Likewise.
12305 * tree-outof-ssa.c (rewrite_trees): Likewise.
12306 * tree-cfg.c (make_goto_expr_edges): Likewise.
12307 (cleanup_dead_labels): Likewise.
12308 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12309 (bsi_move_before, bsi_move_after): Likewise.
12310 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12311 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12313 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12316 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12318 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12319 on non gimple variables. Also add checks at the top for decls and
12321 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12323 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12324 and IMAGPART_EXPR for creating MUST_DEFs.
12325 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12326 and NAME_MEMORY_TAG separately from the DECLs.
12328 2006-01-06 Richard Guenther <rguenther@suse.de>
12330 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12331 annotation, if necessary.
12332 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12333 redundant calls to update_stmt.
12334 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12337 2006-01-05 Richard Henderson <rth@redhat.com>
12339 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12341 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12343 * c-typeck.c: Update copyright date.
12345 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12347 * c-typeck.c (build_c_cast): Always warn when casting
12348 from a pointer to an integer of different size, even if
12349 the node was constant.
12351 2006-01-05 Richard Guenther <rguenther@suse.de>
12353 PR tree-optimization/22555
12354 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12355 if one structure field is an array.
12356 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12357 operands even if we found a subvar, but ignore VOPs in this
12359 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12361 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12363 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12365 PR middle-end/24998
12366 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12368 2006-01-05 Richard Guenther <rguenther@suse.de>
12369 Diego Novillo <dnovillo@redhat.com>
12371 * tree-pass.h (TODO_remove_unused_locals): Define.
12372 * gimple-low.c (expand_var_p, remove_useless_vars,
12373 pass_remove_useless_vars): Remove. Update all users.
12374 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12375 (remove_unused_locals): New function.
12376 * tree-flow.h (remove_unused_locals): Declare.
12377 * passes.c (execute_todo): Call remove_unused_locals if
12378 TODO_remove_unused_locals is set.
12379 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12380 * tree-ssa-dce.c (pass_dce): Likewise.
12381 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12383 2006-01-05 Richard Guenther <rguenther@suse.de>
12385 * tree-flow.h (struct fieldoff): Decompose field to
12386 type, size and decl.
12387 * tree-ssa-alias.c (create_sft): Take type as parameter.
12388 (create_overlap_variables_for): Store type, size and decl
12389 in the fieldoff structure.
12390 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12391 of struct fieldoff.
12392 (push_fields_onto_fieldstack): Likewise.
12393 (create_variable_info_for): Likewise. Use offset for the
12394 SFT name if the decl is not available.
12396 2006-01-04 Paul Brook <paul@codesourcery.com>
12398 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12400 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12402 * lambda-code.c (can_put_in_inner_loop): Relax
12404 (can_put_after_inner_loop): New function.
12405 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12406 (perfect_nestify): Change to make copies and modify uses.
12408 2006-01-04 Richard Henderson <rth@redhat.com>
12410 Merge from gomp branch:
12411 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12412 via integer constant.
12413 (pragma_lex): Remove.
12414 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12415 rather than parsing it.
12416 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12417 handle_pragma_extern_prefix): Add %< %> quotes.
12418 (registered_pragmas): New.
12419 (c_register_pragma_1): New.
12420 (c_register_pragma): Use it.
12421 (c_register_pragma_with_expansion): Likewise.
12422 (c_invoke_pragma_handler): New.
12423 (init_pragma): Use cpp_register_deferred_pragma directly for
12425 * c-pragma.h (enum pragma_kind): New.
12426 (pragma_handler): New.
12427 (c_invoke_pragma_handler): Declare.
12428 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12430 * c-common.h (c_common_pch_pragma): Update decl.
12431 * Makefile.in (c-parser.o): Update dependencies.
12432 (GTFILES): Add c-pragma.h.
12433 * c-parser.c (struct c_token): Add pragma_kind.
12434 (struct c_parser): Add in_pragma.
12435 (c_lex_one_token): Always initialize keyword and pragma_kind.
12436 Extract data for CPP_PRAGMA.
12437 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12438 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12439 Don't allow CPP_PRAGMA_EOL if in_pragma.
12440 (c_parser_consume_pragma): New.
12441 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12442 (c_parser_skip_to_end_of_parameter): Likewise.
12443 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12444 (c_parser_skip_to_pragma_eol): New.
12445 (c_parser_external_declaration): Handle CPP_PRAGMA.
12446 (c_parser_compound_statement_nostart): Likewise.
12447 (c_parser_statement_after_labels): Likewise.
12448 (c_parser_pragma): New.
12449 (pragma_lex): Likewise.
12450 (c_parser_pragma_pch_preprocess): New.
12451 (c_parser_new): Merge into ...
12452 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12454 2006-01-04 Jeff Law <law@redhat.com>
12457 * tree-cfg.c (bsi_replace): Remove the original statement
12458 from the EH throw statement table.
12460 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12462 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12463 make the prototype extern "C" and add throw ().
12466 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12467 and pos non-negative and pos + len <= 32.
12468 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12469 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12470 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12473 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12474 as well as sizes not multiple of component size.
12477 * function.c (instantiate_expr): New function.
12478 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12479 walk its DECL_VALUE_EXPR with instantiate_expr.
12481 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12482 DW_OP_deref{,_size} if address isn't going to be added.
12484 2006-01-04 Ben Elliston <bje@au.ibm.com>
12486 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12487 * config/fp-bit.c: Likewise.
12489 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12491 * dominance.c: Add comment about why we use DFS numbering
12494 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12495 Richard Henderson <rth@redhat.com>
12497 Merge from gomp-branch:
12498 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12499 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12501 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12503 PR rtl-optimization/25578
12504 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12505 pass a parameter to simplify_shift_const if changing ASHIFTRT
12508 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12510 * builtins.c (get_builtin_sync_mem): New function.
12511 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12512 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12513 Call get_builtin_sync_mem to generate mem rtx.
12515 2006-01-03 Richard Guenther <rguenther@suse.de>
12518 * stmt.c (add_case_node): Make sure to clear overflow flags
12521 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12523 Merge from gomp-branch.
12524 * config/sparc/sync.md: New file.
12525 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12526 UNSPECV_LDSTUB): New constants.
12527 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12528 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12529 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12532 2006-01-03 Roger Sayle <roger@eyesopen.com>
12534 * combine.c (reg_subword_p): New predicate to test whether the
12535 destination of a set refers to a subword/piece of a register.
12536 (try_combine): Generalize the code to merge the setting of a
12537 pseudo to a constant followed by a set of a subword of that
12538 register to a constant.
12540 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12542 * basic-block.h (control_flow_graph): Change the type of
12543 x_label_to_block_map to VEC(basic_block,gc) *.
12544 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12545 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12547 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12548 VEC(basic_block,heap) *.
12549 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12550 ssa_prop_fini): Adjust the uses of cfg_blocks.
12552 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12554 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12556 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12557 hashing trees instead of a pointer hash.
12558 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12559 compare for MEM_EXPR.
12561 PR rtl-optimization/25130
12562 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12563 when comparing MEMs for GCSE
12565 2006-01-03 Ben Elliston <bje@au.ibm.com>
12567 * targhooks.h (default_decimal_float_supported_p): Declare.
12568 * targhooks.c (default_decimal_float_supported_p): Define.
12569 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12570 `default_decimal_float_supported_p'.
12571 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12573 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12575 * combine.c (apply_distributive_law <SUBREG>): Check
12576 TRULY_NOOP_TRUNCATION.
12578 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12580 * dwarf2out.c (have_switched_text_section): Delete.
12581 (have_multiple_function_sections): New.
12582 (have_location_lists): Make 'bool'.
12583 (add_AT_loc_list): Use 'true' not '1'.
12584 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12585 (output_loc_list): Use have_multiple_function_sections.
12586 (output_ranges): Likewise.
12587 (dwarf2out_begin_function): Set have_multiple_function_sections if
12589 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12590 Check function_section rather than DECL_SECTION_NAME.
12591 (dwarf2out_finish): Use have_multiple_function_sections.
12592 Don't clear have_location_lists.
12594 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12595 Jan Hubicka <jh@suse.cz>
12597 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12598 case of conditional jump jumping to the next instruction.
12599 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12600 cases of conditional jump jumping to the next instruction.
12602 2006-01-02 Jan Hubicka <jh@suse.cz>
12604 * i386.c (*_cost): Add COSTS_N_INSNS.
12605 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12607 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12610 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12612 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12614 * config/arm/arm.c (all_fpus): Fix comment typo.
12615 * config/darwin.c: Likewise.
12616 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12617 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12618 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12620 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12622 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12623 (rs6000_split_compare_and_swapqhi): New.
12624 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12625 (sync_compare_and_swapqhi_internal): New.
12626 * config/rs6000/rs6000-protos.h: Declare.