1 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4 (find_interesting_uses_address): Punt if above function returns true.
6 2006-06-21 Richard Guenther <rguenther@suse.de>
8 * configure: Regenerated.
10 2006-06-21 Joseph Myers <joseph@codesourcery.com>
12 * config/mips/mips.c (function_arg): Where one part of a
13 complex argument is in registers and the other part in the stack,
14 return a REG not a PARALLEL.
16 2006-06-21 Mark Mitchell <mark@codesourcery.com>
18 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
19 when cross-compiling. Do not substitute libstdcxx_incdir.
20 * configure: Regenerated.
22 2006-06-21 Jakub Jelinek <jakub@redhat.com>
24 * varasm.c (mergeable_string_section): Check for embedded NULs and
25 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
26 rather than TREE_STRING_LENGTH bytes.
28 2006-06-21 Richard Guenther <rguenther@suse.de>
30 * ggc-page.c (extra_order_size_table): Add var_ann_d,
31 tree_ssa_name, bitmap_element and phi_node with 4 arguments
34 2006-06-21 Richrad Guenther <rguenther@suse.de>
36 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
37 Limit iteration over the dominators.
39 2006-06-20 Roger Sayle <roger@eyesopen.com>
41 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
42 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
44 2006-06-20 Richard Guenther <rguenther@suse.de>
45 Michael Matz <matz@suse.de>
47 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
49 * alloc-pool.c (free_alloc_pool_if_empty): New function.
50 * et-forest.h (et_free_pools): Prototype new function.
51 * et-forest.c (et_free_tree_force): Free parent occurrence.
52 (et_free_pools): New function.
53 * dominance.c (free_dominance_info): Free et-forest alloc
56 2006-06-20 Roger Sayle <roger@eyesopen.com>
58 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
59 integer modes, attempt to directly construct an integer constant.
61 * fold-const.c (native_encode_vector): Determine the size of each
62 element from the vector type instead of the first vector element.
64 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
65 if all of its elements/components are constant.
66 (build_constructor_from_list): Likewise.
68 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
70 PR tree-optimization/27331
71 * tree-data-ref.c (free_data_ref): New function.
72 (create_data_ref): Fail if the data reference has unknown access
74 (free_data_refs): Use free_data_ref.
76 2006-06-19 Andrew Pinski <pinskia@gmail.com>
79 * tree-inline.c (setup_one_parameter): Strip useless
80 type conversion before adding it to the IR.
81 (declare_return_variable): Likewise.
83 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
86 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
88 2006-06-19 Mike Stump <mrs@apple.com>
90 * tree.c (variably_modified_type_p): VM arguments don't make the
93 2006-06-19 Richard Guenther <rguenther@suse.de>
95 * tree-ssa-pre.c (try_combine_conversion): Strip useless
96 type conversions after folding.
98 2006-06-19 Richard Guenther <rguenther@suse.de>
100 * ggc-page.c (extra_order_size_tab): Add entries with
101 size of struct function and basic_block.
102 (size_lookup): Extend to cover sizes up to 511.
103 (ggc_alloc_stat): Adjust user.
104 (ggc_pch_count_object): Likewise.
105 (ggc_pch_alloc_object): Likewise.
106 (ggc_pch_write_object): Likewise.
108 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
110 * tree-ssa-loop-niter.c (implies_ge_p): New function.
111 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
114 2006-06-19 Denis Chertykov <denisc@overta.ru>
116 * config/avr/libgcc.S : Correct my wrong previous commit.
118 2006-06-19 Roger Sayle <roger@eyesopen.com>
121 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
122 have stripped a SUBREG from the shift count, so we may need to
123 convert_to_mode back to the type's mode before calling make_tree.
124 Use new_amount instead of amount to avoid expanding a tree twice.
126 2006-06-19 Richard Guenther <rguenther@suse.de>
129 * fold-const.c (operand_equal_p): Check if the argument types
130 have the same precision before stripping NOPs.
132 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
134 Fix PR tree-optimization/27341
135 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
137 * tree-complex.c (pass_lower_complex): Update SMT usage.
139 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
141 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
142 Add a new alternative to the constraint strings. Add move of
143 operand 1 to 3 to the splitter definition.
144 ("doloop_si_long"): Second contraint alternative removed.
146 2006-06-08 Anatoly Sokolov <aesok@post.ru>
148 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
149 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
151 (AVR_HAVE_MOVW) Define.
152 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
153 (ASM_SPEC): Add avr25.
154 (LINK_SPEC): Add avr25.
155 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
156 (base_arch_s): Add new member 'have_movw_lpmx'.
157 (avr_arch_types): Init 'have_movw_lpmx'.
158 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
159 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
160 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
161 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
162 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
164 (avr_file_start): Do not output '.arh' derective.
165 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
166 (__do_copy_data): Use __AVR_HAVE_LPMX__.
167 * config/avr/avr.md (mcu_enhanced): Delete.
168 (mcu_have_movw): Define.
169 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
170 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
171 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
172 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
173 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
174 attiny861 and at86rf401 devices.
176 2006-06-18 Jie Zhang <jie.zhang@analog.com>
178 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
181 2006-06-17 Karl Berry <karl@gnu.org>
183 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
184 doc/gccint.texi, doc/install.texi (@dircategory): Use
185 "Software development" instead of "Programming", following
186 the Free Software Directory.
188 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
190 * config/i386/i386.c (legitimate_tls_address)
191 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
192 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
193 (*tls_dynamic_gnu2_combine_64): Likewise.
195 2006-06-16 Richard Guenther <rguenther@suse.de>
198 * fold-const.c (negate_expr_p): Do not introduce undefined
199 overflow in negating INTEGER_CSTs.
200 (fold_negate_expr): Rename from negate_expr. Revert last
201 change for folding BIT_NOT_EXPR. Change semantics to
202 return NULL_TREE for non-simplified negations. Do not
203 strip type conversions and unify type handling.
204 (negate_expr): New function, wrap around fold_negate_expr
205 but ensure building a tree always. Strip type conversions
206 here, fold to result type.
207 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
209 2006-06-16 Roger Sayle <roger@eyesopen.com>
212 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
213 that (would) return their results in stack registers.
215 2006-06-16 Michael Matz <matz@suse.de>
216 Richard Guenther <rguenther@suse.de>
218 * fold-const.c (fold_truthop): Only return new tree node if
219 we canonicalized something.
221 2006-06-16 Richard Guenther <rguenther@suse.de>
223 * function.h (enum function_frequency): Move declaration
224 out of struct function.
225 (struct function): Move bool fields and the enum to the bitfield
226 section. Reorder elements to avoid padding. Remove unused
227 fields left over from the RTL inliner removal.
228 * function.c (free_after_compilation): Do not zero removed fields.
229 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
230 (ipa-type-escape.o): Likewise.
232 2006-06-16 Richard Guenther <rguenther@suse.de>
234 * cgraph.h (struct cgraph_local_info): Turn bool elements
236 (struct cgraph_node): Likewise.
237 (struct cgraph_varpool_node): Likewise.
239 2006-06-15 Richard Guenther <rguenther@suse.de>
241 * fold-const.c (fold_truth_not_expr): Rename from
242 invert_truthvalue. Give it fold_* semantics to avoid
244 (invert_truthvalue): New function. Wrapper around
246 (optimize_minmax_comparison): Avoid creating garbage.
247 (fold_unary): Use fold_truth_not_expr for folding
249 (fold_ternary): Replace uses of invert_truthvalue with
250 fold_truth_not_expr where applicable.
251 * tree.h (fold_truth_not_expr): Prototype.
253 2006-06-16 Richard Guenther <rguenther@suse.de>
255 PR tree-optimization/27781
256 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
257 * ipa-pure-const.c (target.h): Include.
258 (analyze_function): Do not analyze functions that do not
261 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
264 * tree-dfa.c (referenced_vars_dup_list): Remove.
265 (find_referenced_vars): Remove assert.
266 (referenced_var_check_and_insert): Replace dup list with assert.
267 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
268 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
270 2006-06-15 Richard Guenther <rguenther@suse.de>
272 * tree-ssa-structalias.c (alias_get_name): Avoid creating
273 extra unused identifiers if not dumping.
274 (create_variable_info_for): Likewise.
276 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
278 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
279 (derive_constant_upper_bound): Derive more precise upper bound in
280 common cases. Return type changed to double_int.
281 (record_estimate): Reflect the changed return type of
282 derive_constant_upper_bound.
283 * double-int.c (double_int_zext, double_int_sext): Fix.
285 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
287 * configure.ac (CFLAGS): Get them from the toplevel or from the
288 configure invocation.
289 * configure: Regenerate.
290 * Makefile.in (CFLAGS): Substitute value provided by configure.
292 2006-06-14 Mark Mitchell <mark@codesourcery.com>
295 * c-common.h (c_finish_omp_atomic): Adjust declaration.
296 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
297 rather than calling add_stmt on it.
298 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
300 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
303 * reload1.c (reload): Remove registers returned by update_eliminables
304 from used_spill_regs.
306 2006-06-13 DJ Delorie <dj@redhat.com>
308 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
310 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
312 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
313 html__strip_dir, html__mkdir_p. Enhance install-html target.
314 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
315 * configure: Regenerate.
317 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
319 * fold-const.c (fold_cond_expr_with_comparison): Check for
320 Objective-C++ as language in deciding COND_EXPR transformation.
322 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
325 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
326 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
327 * config/sh/lib1funcs.h (SL, SL1): Define.
328 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
329 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
330 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
331 (OBJS_Os_4_200): New variable.
332 ($(T)libgcc-Os-4-200.a): Use it.
333 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
334 when dividing 1 and/or by 0.
336 2006-06-13 Roger Sayle <roger@eyesopen.com>
338 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
339 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
340 * configure: Regenerate.
342 2006-06-13 Jie Zhang <jie.zhang@analog.com>
344 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
345 for real instruction.
347 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
350 * haifa-sched.c (check_cfg): Handle special case.
352 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
355 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
356 Add debug_info parameter. Chain the vars to the BLOCK instead
357 of the BIND_EXPR if debug info are requested for them.
358 (pop_gimplify_context): Adjust for above change.
359 (gimple_add_tmp_var): Likewise.
360 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
362 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
363 (convert_local_reference): Likewise.
364 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
365 (finalize_nesting_tree_1): Request that debug info be emitted
368 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
370 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
373 2006-06-13 Richard Guenther <rguenther@suse.de>
376 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
378 2006-06-13 Richard Guenther <rguenther@suse.de>
380 PR tree-optimization/27830
381 * tree-inline.c (copy_body_r): For copying the operand
382 of an ADDR_EXPR make sure to fold &* afterwards.
384 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
386 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
387 lvalues in the fb_none case with side-effects.
389 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
391 * tree-flow.h: Remove the prototype for
392 compute_phi_arg_on_exit.
393 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
394 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
397 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
399 * builtins.c (expand_builtin_return_addr): Only use
400 frame_pointer_rtx when count == 0 and we are expanding
401 __builtin_return_address.
403 2006-06-12 Fred Fish <fnf@specifix.com>
405 * config/mips/mips.c (mips_file_start): Create special section
406 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
408 2006-06-11 Eric Christopher <echristo@apple.com>
411 * stor-layout.c (place_field): Remove check for
412 remaining_in_alignment when aligning at the end of a run.
414 2006-06-11 Eric Christopher <echristo@apple.com>
417 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
420 2006-06-11 Roger Sayle <roger@eyesopen.com>
423 Revert incorrect fix for PR target/27158
424 2006-05-08 Roger Sayle <roger@eyesopen.com>
425 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
426 of a reg_equiv_constant if the result is a legitimate constant.
428 2006-06-11 Roger Sayle <roger@eyesopen.com>
431 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
432 extract a CONST_VECTOR element and interpret it as an integer.
433 (vspltis_constant): Use const_vector_elt_as_int instead of the
434 macro CONST_VECTOR_ELT in order to handle FP vector modes.
435 * config/rs6000/predicates.md (easy_vector_const): Consider
436 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
438 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
441 * stor-layout.c (update_alignment_for_field): Don't add extra
442 alignment for packed non-bitfield fields in ms_bitfield_layout_p
445 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
447 * config/mips/t-rtems: Add EL/EB multilib variants.
449 2006-06-09 Mike Stump <mrs@apple.com>
451 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
453 2006-06-09 David Daney <ddaney@avtrex.com>
455 * doc/install.texi: Add binutils version recommendation for mips-*-*.
457 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
459 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
461 2006-06-09 Richard Guenther <rguenther@suse.de>
463 PR tree-optimization/26998
464 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
465 of signed types, only TYPE_MIN_VALUE is special, but for both,
466 minimum and maximum value. Likewise VR_ANTI_RANGE is special
467 in this case, as is -fwrapv.
469 2006-06-08 Mike Stump <mrs@apple.com>
472 * config/darwin.c (darwin_asm_output_anchor): Disable
473 -fsection-anchors on darwin for now.
474 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
475 * rs6000/rs6000.c (optimization_options): Likewise.
477 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
480 * config/i386/i386.c (classify_argument): Skip fields with invalid
483 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
485 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
486 (cse_insn): Likewise for the stack_pointer_rtx.
488 2006-06-08 Roger Sayle <roger@eyesopen.com>
490 * tree-ssa-dom.c (record_conditions): Only record "unordered"
491 conditions from floating point comparisons.
493 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
496 * expmed.c (struct alg_hash_entry): Fix type of field T
497 to match synth_mult argument.
498 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
500 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
503 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
506 2006-06-08 Richard Guenther <rguenther@suse.de>
509 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
510 only, if overflow is defined and not trapping.
511 (negate_expr): Likewise.
513 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
515 PR tree-optimization/27872
516 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
517 flag on the new exit edge of the unrolled loop.
519 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
521 PR rtl-optimization/26449
522 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
524 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
527 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
528 referenced_variables with matching DECL_UID's.
529 (find_referenced_vars): Make sure duplicate list is empty to start.
530 (referenced_var_p): Remove.
531 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
532 Check if var is in the list, and add if needed. Update the duplicate
533 list if a different var is in the list with the same DECL_UID.
534 (add_referenced_var): Call routine to check and insert.
535 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
536 * tree-flow.h (referenced_vars_dup_list): External declaration.
538 2006-06-07 Fred Fish <fnf@specifix.com>
540 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
543 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
546 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
547 the imaginary and real parts of a clobbered register.
548 Emit insn to set the imaginary part.
550 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
552 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
553 in lieu of unwind-dw2-fde.c.
555 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
557 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
559 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
562 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
563 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
564 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
565 V4SImode temporaries and operations instead.
567 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
569 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
572 2006-06-06 Mike Stump <mrs@apple.com>
574 * Makefile.in: Rename to htmldir to build_htmldir to avoid
575 installing during build.
577 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
579 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
581 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
582 * config/ia64/ia64.c (params.h): New header.
583 (ia64_optimization_options): New function to adjust parameters.
584 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
585 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
586 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
588 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
590 * stor-layout.c (debug_rli): Fix a typo in a debug message.
592 2006-06-05 Steve Ellcey <sje@cup.hp.com>
595 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
597 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
598 Victor Kaplansky <victork@il.ibm.com>
600 PR tree-optimization/26360
601 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
604 2006-06-04 Roger Sayle <roger@eyesopen.com>
605 Andrew Pinski <pinskia@physics.uc.edu>
608 * c-common.c (c_common_truthvalue_conversion): Explicitly check
609 for LABEL_DECL before calling DECL_WEAK.
612 * c-typeck.c (build_binary_op): Likewise, explicitly check for
613 LABEL_DECL and PARM_DECL.
615 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
619 * c-decl.c (grokdeclarator): Disallow variably modified types at
620 file scope. Avoid marking shared array type of constant size as
623 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
626 * c-common.c (fold_offsetof_1): Handle static members.
628 2006-06-04 Eric Christopher <echristo@apple.com>
630 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
631 (debug_rli): Output value for remaining_in_alignment.
632 (update_alignment_for_field): Unconditionalize
633 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
634 extra alignment code.
635 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
636 ms_bitfield_layout_p code. Rewrite handling of structure fields.
637 * tree.h (record_layout_info_s): Remove prev_packed.
638 * doc/extend.texi (ms_struct): Add documentation of format.
640 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
642 * tree.h: Declare folding_initializer.
643 * builtins.c (fold_builtin_constant_p): Give definite answer
644 if folding inside an initializer.
645 * fold-const.c: Define folding_initializer.
646 (START_FOLD_INIT): Save and then set folding_initializer.
647 (END_FOLD_INIT): Restore folding_initializer.
649 2006-06-04 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/27039
652 * fold-const.c (fold_comparison): Handle pointer comparison
653 again for all comparison codes. Compare offsets in signed
655 (fold_binary): Move code from here.
657 2006-06-03 Roger Sayle <roger@eyesopen.com>
660 * config/i386/i386.c (construct_container): Split static issued_error
661 flag into issued_sse_arg_error, issued_sse_ret_error and
662 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
663 requires the use of x87 registers and the user explicitly
664 specified the -mno-80387 command line option.
666 2006-06-02 Geoffrey Keating <geoffk@apple.com>
668 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
669 HAVE_DECL_SIGALTSTACK.
671 (segv_handler): Use MC_FLD.
672 * configure.ac: Check for a sigaltstack declaration.
673 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
674 * configure: Regenerate.
675 * config.in: Regenerate.
677 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
680 * Makefile.in (stmp-fixinc): Fix typo.
682 2006-06-02 Roger Sayle <roger@eyesopen.com>
684 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
685 are type correct. Clean-up.
686 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
687 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
689 2006-06-01 DJ Delorie <dj@redhat.com>
691 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
692 shift, as we've disabled the "switch" insn that needs it.
694 2006-06-01 Per Bothner <bothner@bothner.com>
696 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
697 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
698 * c-ppoutput.c (cb_define): Don't increment line 0.
700 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
702 * doc/invoke.texi: Add cpu_type power6.
703 * config.gcc: Add cpu_type power6.
704 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
705 to power5+ with Altivec.
706 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
707 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
709 2006-05-30 Anatoly Sokolov <aesok@post.ru>
711 * config/avr/avr.h (SET_ASM_OP): Define.
713 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
715 * config/bfin/bfin.c: Fix comment typos.
717 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
720 * doc/install.texi: Document --enable-bootstrap and
723 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
725 * doc/install.texi: Document that InfoZIP can replace jar.
727 2006-05-31 Roger Sayle <roger@eyesopen.com>
729 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
730 isn't available, directly generate the simpler x87 patterns without
731 the (use (const_int 0)).
732 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
733 implementation isn't available.
734 (*negdf2_1): Likewise.
735 (*negxf2_1): XF mode negation is always done using the x87.
736 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
738 2006-05-31 Roger Sayle <roger@eyesopen.com>
740 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
741 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
743 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
745 2006-05-31 Jie Zhang <jie.zhang@analog.com>
747 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
748 * config/bfin/bfin.c (basic-block.h): Include.
749 (struct machine_function): New.
750 (bfin_init_machine_status): New.
751 (override_options): Initialize init_machine_status.
752 (bfin_hardware_loop): New.
753 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
754 (DEF_VEC_P (loop_info)): New.
755 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
756 (struct loop_info): New.
757 (loop_info): New typedef.
758 (struct loop_work): New.
759 (loop_work): New typedef.
760 (DEF_VEC_O (loop_work)): New.
761 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
762 (bfin_dump_loops): New.
763 (bfin_bb_in_loop): New.
764 (bfin_scan_loop): New.
765 (bfin_optimize_loop): New.
766 (bfin_reorg_loops): New.
767 (bfin_reorg): Use bfin_reorg_loops.
768 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
770 (I_REGNO_P): Simplify.
771 (DP_REGNO_P, DPREG_P): New macros.
772 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
773 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
774 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
775 Add LT_REGS, LC_REGS, LB_REGS.
776 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
778 (REGNO_REG_CLASS): Deal with loop registers.
779 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
781 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
782 New constants for loop registers.
783 (UNSPEC_LSETUP_END): New.
784 (seq_insns): New define_attr. Set it for appropriate insns.
785 (movsi_insn): Add alternatives for move from/to
786 loop count registers.
787 (doloop_end): New define_expand.
788 (loop_end): New define_insn.
789 (define_split for bad doloop_end): New.
790 (lsetup_with_autoinit): New define_insn.
791 (lsetup_without_autoinit): New define_insn.
792 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
793 * config/bfin/predicates.md (lc_register_operand): New.
794 (lt_register_operand): New.
795 (lb_register_operand): New.
796 (nondp_register_operand): New.
797 (nondp_reg_or_memory_operand): New.
798 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
800 2006-05-31 Jie Zhang <jie.zhang@analog.com>
802 * config/bfin/bfin.c (bfin_delegitimize_address): New.
803 (TARGET_DELEGITIMIZE_ADDRESS): Define.
805 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
807 * Makefile.in (CATALOGS): Add po/ prefix.
808 * configure: Regenerated.
810 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
813 * arm.c (arm_print_operand case 'S'): Validate that the operand is
814 a shift operand before calling shift_op. Avoid redundant call of
817 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
818 DJ Delorie <dj@redhat.com>
820 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
821 we're inserting is a singlt-bit constant.
823 2006-05-30 Roger Sayle <roger@eyesopen.com>
825 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
826 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
828 2006-05-30 Roger Sayle <roger@eyesopen.com>
830 PR tree-optimization/23452
831 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
832 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
833 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
834 complex values and with -ffast-math for FP complex values.
836 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
838 * c-common.h: Remove the prototype for yyparse.
839 * rtl.h: Remove the prototype for init_loop.
841 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
843 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
846 2006-05-30 Roger Sayle <roger@eyesopen.com>
848 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
850 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
851 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
853 2006-05-30 Dirk Mueller <dmueller@suse.de>
856 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
857 for CONSTANT_CLASS_P expresisons.
859 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
862 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
864 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
866 PR tree-optimization/27779
867 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
868 initial_condition instead of CHREC_LEFT.
870 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
872 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
873 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
874 Make prototypes ISO C90.
876 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
877 Leehod Baruch <leehod.baruch@weizmann.ac.il>
879 * see.c (see_analyze_one_def): Correct check.
880 (see_get_extension_data): Check if extension is parallel.
881 (see_get_extension_reg): Likewise.
883 2006-05-30 Uros Bizjak <uros@kss-loka.si>
886 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
887 into register for (code == GTU).
889 2006-05-29 Roger Sayle <roger@eyesopen.com>
891 PR tree-optimization/24964
892 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
893 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
894 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
895 abs(x)*abs(x) as x*x for scalar floating point modes.
897 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
900 * lambda-code.c (perfect_nestify): Don't copy statements
901 in the inner loop: move them to the inner loop header.
903 2006-05-29 Diego Novillo <dnovillo@redhat.com>
906 * c-tree.texi: Document OpenMP directives and clauses.
908 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
910 * varasm.c (globalize_decl): Fix indentation.
912 2006-05-29 Diego Novillo <dnovillo@redhat.com>
915 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
916 pass_fre, pass_store_ccp, pass_copy_prop,
917 pass_store_copy_prop, pass_merge_phi, pass_nrv,
918 pass_return_slot, pass_object_size, pass_lim,
919 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
920 pass_loop_prefetch and pass_stdarg.
922 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
924 * config/bfin/bfin.opt (mfdpic): New option.
925 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
926 (EXTRA_MULTILIB_PARTS): Likewise.
927 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
928 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
930 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
931 (CRT_CALL_STATIC_FUNCTION): New.
932 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
934 (CRT_CALL_STATIC_FUNCTION): New.
935 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
937 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
938 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
939 (initialize_trampoline): Changed to handle FD-PIC code generation.
940 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
941 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
942 (override_options): Disallow -mid-shared-library -mfdpic combination.
943 Can't do unaligned ops if FD-PIC.
944 Turn off flag_pic if trying to generate non-id-shared-library
945 non-fdpic code, since it's not supported.
946 (bfin_assemble_integer): New function.
947 (TARGET_ASM_INTEGER): Define.
948 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
950 * config/bfin/crtn.s: Restore them.
951 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
953 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
954 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
955 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
956 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
957 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
959 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
960 FDPIC_REGS and FDPIC_FPTR_REGS.
961 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
962 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
963 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
964 (load_funcdescsi): New pattern.
965 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
966 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
967 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
969 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
971 * gcse.c, rtlanal.c: Remove obsolete comments associated with
974 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
976 * tree-flow.h: Remove the prototype for add_type_alias.
977 * tree-ssa-alias.c (add_type_alias): Remove.
979 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
981 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
982 config/fr30/fr30.md, config/i386/i386-interix.h,
983 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
984 config/sh/superh64.h, config/v850/v850.c, df-core.c,
985 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
986 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
987 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
988 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
989 Follow spelling conventions.
990 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
991 Follow spelling conventions.
993 2006-05-27 Richard Guenther <rguenther@suse.de>
996 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
997 to produce a constant of value 1 of generic type.
999 2006-05-27 Dirk Mueller <dmueller@suse.de>
1001 * cgraphunit.c (decide_is_function_needed): Fix wrong
1004 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1006 PR rtl-optimization/27661
1007 * reload.c (find_reloads): When reloading a VOIDmode constant
1008 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1009 use Pmode as mode of the reload register.
1011 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1013 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1014 is enabled at -O and above.
1016 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1019 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1022 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1025 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1026 for anonymous variables explicitly declared by front ends.
1028 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1030 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1031 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1032 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1033 ref-all pointers, run a finalization pass for them.
1034 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1035 (finalize_ref_all_pointers): New function.
1036 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1037 regular pointer type to a ref-all pointer type.
1038 (get_tmt_for): Return the special memory tag for ref-all pointers.
1040 2006-05-25 Richard Guenther <rguenther@suse.de>
1043 * fold-const.c (fold_binary): Do not look at the stripped
1044 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1046 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1048 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1049 for LT and GT if the computed range is effectively empty.
1051 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1054 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1055 mips_quad_format formats instead of ieee_single_format,
1056 ieee_double_format and ieee_quad_format formats, respectively.
1058 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1060 PR tree-optimization/27639
1061 PR tree-optimization/26719
1062 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1063 call to scev_probably_wraps_p.
1064 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1065 used_in_pointer_arithmetic_p, convert_step): Removed.
1066 (nowrap_type_p): New function.
1067 (scev_probably_wraps_p): Rewritten.
1068 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1069 chrec_convert if chrec_convert_aggressive might have been used.
1070 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1071 scev_direction): New functions.
1072 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1073 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1074 instead of convert_step.
1075 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1076 (convert_step): Declaration removed.
1077 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1079 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1081 * df-core.c: Added to header comments.
1082 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1083 df_ur_bb_info, df_urec_bb_info): Added comments.
1084 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1085 urec, ri problems): Fixed header comments.
1086 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1087 code from df_rd_transfer_function.
1089 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1091 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1092 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1093 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1095 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1097 * expr.c (undefined_operand_subword_p): New.
1098 (emit_move_multi_word): Do not generate move from undefined bits
1099 of a paradoxical subreg.
1101 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1103 PR rtl-optimization/27736
1104 * combine.c (replaced_rhs_value): New variable.
1105 (combine_instructions): Set it.
1106 (distribute_notes): When distributing a note in replaced_rhs_insn,
1107 check whether the value was used in replaced_rhs_value.
1109 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1112 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1113 add_referenced_var instead of add_referenced_tmp_var.
1114 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1115 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1117 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1118 tree_optimize_tail_calls_1): Use add_referenced_var.
1119 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1120 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1121 Use add_referenced_var.
1122 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1123 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1124 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1125 Use add_referenced_var.
1126 * tree-dfa.c (struct walk_state): Remove.
1127 (find_referenced_vars): Remove walk state and vars_found hash table.
1128 (make_rename_temp): Use add_referenced_var.
1129 (find_vars_r): Pass less parameters to add_referenced_var.
1130 (referenced_var_p): New. Is var in referenced_var hash table.
1131 (referenced_var_insert): Assert var isn't already in hash table.
1132 (add_referenced_var): Don't need walk_state parameter. Add var if it
1133 isn't already in the hash table.
1134 (add_referenced_tmp_var): Remove.
1135 (find_new_referenced_vars_1): Use add_referenced_var.
1136 * tree-ssa-pre.c (create_expression_by_pieces,
1137 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1138 Use add_referenced_var.
1139 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1140 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1141 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1143 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1144 vect_create_data_ref_ptr, vect_create_destination_var,
1145 vect_init_vector, vect_build_loop_niters,
1146 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1147 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1148 Use add_referenced_var.
1149 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1150 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1151 (add_referenced_var): Add prototype.
1152 * tree-ssa-structalias.c (get_constraint_for,
1153 intra_create_variable_infos): Use add_referenced_var.
1155 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1157 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1158 big-endian paradoxical subregs.
1159 * var-tracking.c (struct micro_operation_def): Document that,
1160 for modify micro operations, insn is the subsequent instruction.
1161 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1162 (var_reg_set, var_mem_set): ... new functions.
1163 (add_stores): Record subsequent insn.
1164 (compute_bb_dataflow): Use new functions for MO_USE.
1165 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1166 notes after the insn, and modify notes before the insn known
1167 to be the subsequent one.
1168 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1170 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1173 * config/i386/i386.c (ix86_expand_builtin): Use
1174 gen_sse3_monitor64 for TARGET_64BIT.
1176 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1178 PR rtl-optimization/26375
1179 PR rtl-optimization/26855
1180 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1182 (df_ru_bb_local_compute): Reversed statements and removed bogus
1183 comment explaining why they should be in wrong order.
1184 (df_ru_dump, df_rd_dump): Enhanced debug info.
1185 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1187 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1188 reaching uses and fixed space problem.
1190 2006-05-23 Jan Hubicka <jh@suse.cz>
1192 * cgraphunit.c (decide_is_function_needed): Also nested functions
1193 and functions declared inline can be optimized out at -O0.
1195 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1197 * doc/install.texi (Configuration): Remove reference to CrossGCC
1198 FAQ which was hijacked.
1201 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1204 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1205 ix86_compare_emitted is non-NULL.
1207 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1210 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1213 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1215 PR rtl-optimization/25514
1216 * combine.c (replaced_rhs_insn): New variable.
1217 (combine_instructions): Set replaced_rhs_insn when trying to replace
1218 a SET_SRC with a REG_EQUAL note.
1219 (distribute_notes): Use replaced_rhs_insn when determining the live
1220 range of a REG_DEAD register.
1222 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1223 Anatoly Sokolov <aesok@post.ru>
1225 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1226 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1227 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1228 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1229 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1230 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1231 at90usb647, at90usb1286 and at90usb1287 devices.
1232 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1233 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1235 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1237 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1239 2006-05-22 Richard Guenther <rguenther@suse.de>
1242 2006-01-31 Richard Guenther <rguenther@suse.de>
1243 Paolo Bonzini <bonzini@gnu.org>
1245 * doc/install.texi (--disable-libgcc-math): Document.
1247 2006-05-22 Richard Guenther <rguenther@suse.de>
1250 2006-01-31 Richard Guenther <rguenther@suse.de>
1252 * doc/invoke.texi (-msselibm): Document.
1253 * target.h (expand_library_builtin): New target hook.
1254 * builtins.c (expand_builtin): Use expand_library_builtin.
1255 (default_expand_library_builtin): New function.
1256 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1257 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1258 (link_gcc_math_spec): Declare.
1259 (static_specs): Add link_gcc_math_spec.
1260 * expr.h (default_expand_library_builtin): Declare.
1261 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1262 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1263 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1264 * config/i386/i386.opt (msselibm): New target option.
1265 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1266 (ix86_init_sse_abi_builtins): New function.
1267 (ix86_expand_library_builtin): Likewise.
1268 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1269 (override_options): Handle error conditions wrt -msselibm.
1270 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1271 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1272 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1275 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1278 * c-common.c (self_promoting_args_p): Skip erroneous args.
1281 * c-decl.c (finish_struct): Skip erroneous fields.
1283 2006-05-22 Nick Clifton <nickc@redhat.com>
1285 * config/cris/cris.opt (march): Remove VarExists attribute.
1286 (max-stackframe=): Likewise.
1288 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1290 * doc/rtl.texi: Fix a typo.
1291 * see.c: Fix comment typos.
1293 * tree-ssa-structalias.h (alias_info): Remove num_references.
1295 2006-05-21 Mike Stump <mrs@apple.com>
1297 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1299 (darwin_pragma_options): Use BAD instead.
1300 (darwin_pragma_unused): Likewise.
1301 (darwin_pragma_ms_struct): Likewise.
1303 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1305 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1307 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1309 PR rtl-optimization/27671
1310 * simplify-rtx.c (simplify_relational_operation_1): Fix
1311 simplifications of (eq/ne (xor x y) y) and
1312 (eq/ne (xor x y) x).
1314 PR tree-optimization/26622.
1315 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1318 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1320 * tree-cfg.c: Prune whitespace.
1321 (debug_tree_cfg): Point to correct header containing the
1324 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1327 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1329 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1332 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1333 or sorry count is non zero.
1335 2006-05-20 Andreas Schwab <schwab@suse.de>
1337 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1339 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1340 Kenneth Zadeck <zadeck@naturalbridge.com>
1342 PR rtl-optimization/26855
1344 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1346 (df_scan_alloc): Added code to properly handle multiword hard
1347 registers and add all_blocks parameter.
1348 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1349 code to properly handle multiword hard registers.
1350 (df_rescan_blocks): Added code to remove deleted blocks from
1352 (df_ref_create_structure, df_ref_record): Added code to properly
1354 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1355 and set DF_REF_PARTIAL.
1356 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1357 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1358 (df_scan_add_problem): Added flags parameter.
1359 (df_ref_create_structure): Changed switching structure.
1360 (df_bb_refs_record): Fixed case where duplicate artificial refs
1361 were created. Changed location of flags.
1362 (df_record_entry_block_defs): Added code to make stack pointer
1363 live in entry block. Refined cases where frame pointer is needed.
1364 Changed location of flags.
1365 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1366 (df_set_state): Removed function.
1367 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1368 df_insn_create_insn_record, df_insn_refs_delete,
1369 df_ref_create_structure): Formatting changes.
1370 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1371 df_delete_basic_block): New function.
1372 (df_init): Changed location of flags.
1373 (df_add_problem): Added flags parameter and the way flags are
1375 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1376 debug_df_chain): Improved debugging output.
1377 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1378 (df_refs_chain_dump): Removed df parameter.
1379 (df_iterative_dataflow): Added consistency check.
1380 (df_prune_to_subcfg): Made public.
1381 (df_analyze_problem): Added blocks_to_init parameter and made
1383 (df_ref_record, df_bb_refs_record, df_mark_reg,
1384 df_record_exit_block_uses): Whitespace changes.
1385 (df_dump): Whitespace changes.
1386 * df.h: Some reordering to remove forward references.
1387 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1388 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1389 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1390 (dataflow.flags): New field.
1391 (df.flag): Deleted field.
1392 (df_alloc_function): Added additional bitmap parameter.
1393 (df_dependent_problem_function): New type.
1394 (df_problem.changeable_flags): New field.
1395 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1396 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1397 (df_mw_hardreg): New struct.
1398 (DF_INSN_UID_MWS): New macro.
1399 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1401 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1402 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1403 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1404 (df_set_state): Removed function.
1405 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1406 * df-problems.c (df_chain_dump): Removed df parameter.
1407 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1408 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1410 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1411 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1412 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1413 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1414 DF_REF_MUST_CLOBBER cases.
1415 (df_ru_bb_local_compute_process_def,
1416 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1417 df_lr_bb_local_compute, df_ur_bb_local_compute,
1418 df_chain_create_bb): Made subreg aware.
1419 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1420 df_lr_bb_local_compute, df_lr_bb_local_compute,
1421 df_chain_create_bb): Cleanup to use proper macros.
1422 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1423 code to fixup bitvectors.
1424 (df_ri_alloc): Cleared lifetime.
1425 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1426 df_create_unused_note): New function.
1427 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1428 REG_DEAD and REG_UNUSED notes as well as register information.
1429 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1430 df_chains_dump): Fixed crash if problem was never run.
1431 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1432 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1433 df_ri_add_problem): Processes flags in uniform manner.
1434 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1435 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1436 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1437 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1438 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1439 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1440 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1441 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1442 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1443 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1444 * see.c (see_initialize_data): Ditto.
1445 * final.c (rest_of_clean_state) Added regstack_completed.
1446 * rtl.h (regstack_completed): Ditto.
1447 * reg-stack.c (regstack_completed): Ditto.
1449 2006-05-19 Mike Stump <mrs@apple.com>
1451 * c-tree.h (default_conversion): Remove.
1452 * c-common.h (default_conversion): Add.
1454 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1456 * tree-vrp.c (valid_value_p): New function.
1457 (adjust_range_with_scev): Fail if the value of bound is not
1460 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1462 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1463 (mips_fallback_frame_state): Use syscall numbers to determine
1464 the appropriate li instruction for the current ABI. Only use
1465 __NR_sigreturn for o32.
1467 2006-05-19 Nicolas Setton <setton@adacore.com>
1469 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1470 * langhooks.c (lhd_dwarf_name): New function.
1471 * langhooks-def.h (lhd_dwarf_name): Declare.
1472 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1473 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1474 * ada/misc.c (gnat_dwarf_name): New function.
1475 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1477 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1479 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1481 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1482 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1483 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1484 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1485 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1486 determine the size of Wtype, etc.
1487 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1488 (swfloatfuncs): New variable.
1489 (dwfloatfuncs): Likewise.
1490 (lib2funcs): Remove floating-point conversion functions from
1491 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1492 the set of conversion routines needed. Allow entries to specify
1493 an object name, filename and word size. Update users accordingly.
1494 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1495 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1499 2006-02-08 Roger Sayle <roger@eyesopen.com>
1502 * config/fixtfdi.c: New libgcc source file.
1503 * config/fixunstfdi.c: New source file.
1504 * config/floatditf.c: New source file.
1505 * config/floatunditf.c: New souce file.
1506 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1507 files above instead of config/mips/_tilib.c.
1508 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1510 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1512 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1513 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1515 2006-05-18 Mike Stump <mrs@apple.com>
1517 Fix up vla, vm and [*] sematics.
1523 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1524 (c_vla_unspec_p): Add.
1525 (c_vla_type_p): Add.
1526 * c-decl.c (struct c_scope): Add had_vla_unspec.
1527 (build_array_declarator): Add support for [*].
1528 (grokdeclarator): Likewise.
1529 (grokparms): Likewise.
1530 (get_parm_info): Likewise.
1531 * c-objc-common.c (c_vla_unspec_p): Likewise.
1532 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1533 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1534 typeof when argument is a variably modified type not inside sizeof or alignof.
1535 (c_parser_direct_declarator_inner): Propagate errors.
1536 (c_parser_sizeof_expression): Add support for [*].
1537 (c_parser_parms_declarator): Initialize had_vla_unspec.
1538 (c_parser_parms_list_declarator): Likewise.
1539 * c-typeck.c (c_vla_type_p): Add.
1540 (composite_type): Add support for vla compositing.
1541 (comptypes_internal): Add support for vla compatibility.
1542 (c_expr_sizeof_expr): Evaluate vla arguments.
1543 * tree.c (variably_modified_type_p): Update comment for [*].
1545 2006-05-18 Michael Matz <matz@suse.de>
1548 * config.host: Make assignments to host_xmake_file cumulative.
1549 * config.host (*-darwin*): Test $host, not $target.
1551 2006-05-12 Stuart Hastings <stuart@apple.com>
1553 * config/i386/i386.opt (-mstackrealign): New flag.
1554 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1555 (ix86_handle_cconv_attribute): Emit error when
1556 force_align_arg_pointer attribute collides with too many regparms.
1557 (ix86_function_regparm): Limit regparms when used with
1558 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1559 Support stack-realigning prologue in non-main functions. Emit
1560 warning for nested functions under -mstackrealign, emit error for
1561 nested functions with force_align_arg_pointer attribute.
1562 * doc/extend.texi (force_align_arg_pointer): Document it.
1563 * doc/invoke.texi (-mstackrealign): Document it.
1565 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1567 PR rtl-optimization/27477
1568 * combine.c (try_combine): Don't split a parallel consisting
1569 of two sets into two individual sets if both sets reference
1572 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1574 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1575 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1577 * doc/options.texi (VarExists): Updated.
1579 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1581 * unwind-dw2.c: Add declarations for uw_update_context and
1583 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1584 detected, advance frame state and context once to skip over stub.
1586 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1590 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1591 Call rewrite_into_loop_closed_ssa only when something changed.
1592 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1593 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1594 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1595 Test for perfect_nest_p here. Fix formating.
1596 (replace_uses_equiv_to_x_with_y): Fix formating.
1597 (stmt_uses_op): Removed.
1598 (can_convert_to_perfect_nest): Removed loopivs parameter.
1599 Complete the test by checking the scalar dependences.
1600 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1603 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1606 From Dan Kegel <dank@kegel.com>:
1607 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1609 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1611 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1612 if the element type is variably modified without recursing.
1614 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1617 * tree-loop-linear.c (try_interchange_loops): Test for
1618 no data dependences.
1620 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1622 PR tree-optimization/27548
1623 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1624 range of ssa names that appear on abnormal edges.
1625 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1626 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1628 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1631 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1633 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1636 * tree.h (OMP_PARALLEL_COMBINED): Define.
1637 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1638 (new_omp_context): Add is_combined_parallel argument.
1639 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1640 new_omp_context caller.
1641 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1642 Adjust gimplify_scan_omp_clauses callers.
1643 (omp_is_private): Issue errors if iteration variable is firstprivate
1644 or reduction in the current context.
1645 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1646 on combined parallel workshare constructs.
1648 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1650 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1651 (gcc-options.o): New rule.
1653 * optc-gen.awk: Protect variables for gcc-options.o with
1654 #ifdef GCC_DRIVER/#endif.
1656 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1658 Fix PR tree-optimization/27373
1659 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1660 (forward_propagate_addr_expr): Update call.
1662 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1664 * doc/options.texi: Move the Negative option.
1666 2006-05-16 Richard Guenther <rguenther@suse.de>
1668 PR tree-optimization/22303
1669 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1671 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1672 ccp_fold did not simplify the statement.
1674 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1677 * Makefile.in (GCC_OBJS): New.
1678 (OBJS-common): Add opts-common.o.
1679 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1680 (cpp$(exeext)): Likewise.
1681 (gcc.o): Also depend on opts.h.
1682 (opts-common.o): New.
1684 * common.opt (gcoff): Add Negative(gdwarf-2).
1685 (gdwarf-2): Add Negative(gstabs).
1686 (gstabs): Add Negative(gstabs+).
1687 (gstabs+): Add Negative(gvms).
1688 (gvms): Add Negative(gxcoff).
1689 (gxcoff): Add Negative(gxcoff+).
1690 (gxcoff+): Add Negative(gcoff).
1691 * config/i386/i386.opt (m32): Add Negative(m64).
1692 (m64): Add Negative(m32).
1694 * doc/options.texi: Document the Negative option.
1696 * gcc.c: Include "opts.h".
1697 (main): Call prune_options after expandargv.
1699 * optc-gen.awk: Generate common declarations for all flag
1700 variables in options.c. Output the neg_index field.
1702 * opts.c (find_opt): Moved to ...
1703 * opts-common.c: Here. New file.
1705 * opts.h (cl_option): Add a neg_index field.
1707 (prune_options): Likewise.
1709 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1712 * omp-low.c (expand_omp_parallel): Don't assert
1713 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1714 instead search for it.
1717 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1720 2006-05-16 Andreas Schwab <schwab@suse.de>
1722 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1725 2006-05-15 Roger Sayle <roger@eyesopen.com>
1728 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1729 integer constants other than zero are only legitimate on TARGET_64BIT.
1730 <CONST_VECTOR> Only zero vectors are legitimate.
1731 (ix86_cannot_force_const_mem): Integral and vector constants can
1732 always be put in the constant pool.
1734 2006-05-16 DJ Delorie <dj@redhat.com>
1736 * crtstuff.c (__dso_handle): Set section from
1737 TARGET_LBIGCC_SDATA_SECTION if defined.
1738 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1739 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1741 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1744 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1747 2006-05-16 Ben Elliston <bje@au.ibm.com>
1749 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1751 2006-05-15 Per Bothner <per@bothner.com>
1753 * tree.c: (last_annotated_node): Use source_locus typedef.
1754 This permits bootstrapping with --enable-mapped-location.
1756 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1758 PR tree-optimization/26830
1759 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1760 (info_for_ssa_name, current_info_for_ssa_name_age,
1761 blocks_to_update): New variables.
1762 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1763 (clear_ssa_name_info, initialize_flags_in_bb,
1764 mark_block_for_update): New functions.
1765 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1766 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1767 prepare_def_site_for): Use mark_block_for_update.
1768 (mark_def_interesting): Assert that the processed block is marked in
1769 blocks_to_update. Do not take blocks argument.
1770 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1772 (rewrite_update_init_block, rewrite_update_stmt): Only process
1773 blocks with statements to rewrite.
1774 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1775 (update_ssa): Initialize and free blocks_to_update. Do not
1776 clear flags on statements. Do not use blocks bitmap.
1777 * tree.h (SSA_NAME_AUX): Removed.
1778 (struct tree_ssa_name): Removed aux field.
1779 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1781 2006-05-15 Richard Guenther <rguenther@suse.de>
1783 PR tree-optimization/27603
1784 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1785 Do computations in original type.
1787 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1789 * see.c: Code style changes such as redundant paranthesis,
1790 redundant intialization of local variables etc.
1791 (see_main): Declared now as static.
1792 * doc/invoke.texi: Update that -fsee is not enabled by
1795 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1797 * omp-low.c (check_omp_nesting_restrictions): New function.
1798 (scan_omp_1): Call it.
1801 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1802 construct, return *VAR.
1804 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1806 PR rtl-optimization/27406
1807 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1810 2006-05-14 Roger Sayle <roger@eyesopen.com>
1812 PR rtl-optimization/27538
1813 * combine.c (expand_compound_operation): Call gen_lowpart
1814 before calling simplify_shift_const.
1816 2006-05-14 Roger Sayle <roger@eyesopen.com>
1818 PR rtl-optimization/22563
1819 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1820 a fixed width bitfield, always force the intermediates into psuedos.
1822 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1825 * mkconfig.sh: Use operator = instead of == for test.
1827 2006-05-13 Nick Clifton <nickc@redhat.com>
1829 * dwarf2out.c (dbx_reg_number): Check return value from
1830 LEAF_REG_REMAP and only use it if it is valid.
1831 (multiple_reg_loc_descriptor): Likewise.
1833 2006-05-13 Richard Guenther <rguenther@suse.de>
1835 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1838 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1840 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1841 information attached to non-INSNs such as NOTEs.
1842 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1844 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1846 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1848 * config/s390/s390.md: Adjust comment describing On constraint.
1850 2006-05-11 Jan Hubicka <jh@suse.cz>
1852 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1853 to be output at -O0.
1855 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1858 * fold-const.c (size_binop): Move sanity check for arguments to
1859 the beginning of the function.
1862 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1865 2006-05-11 Richard Guenther <rguenther@suse.de>
1868 * fold-const.c (fold_unary): Handle intermediate conversion
1869 to a pointer type like intermediate conversion to an integer
1870 type in folding of (T1)(T2)var to var.
1871 Match the code to the comment in the final conversion for
1872 (T1)(T2)var to (T1)var regarding to type precision. Rather
1873 than disallow T1 being of pointer type, assert that both T1
1874 and var are of pointer type or not. Make sure not to fall
1875 over the frontends lazyness wrt array to pointer decay though.
1877 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1879 * arm.c (arm_struct_value_rtx): Delete.
1880 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1881 (arm_init_cumulative_args): Always initialize nregs to zero.
1883 2006-05-10 Richard Guenther <rguenther@suse.de>
1885 PR tree-optimization/27532
1886 * tree-object-size.c (plus_expr_object_size): Fix typo.
1888 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1891 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1892 ashrdi_const, ashrdi3): Use a scratch register.
1894 2006-05-10 Richard Guenther <rguenther@suse.de>
1896 PR tree-optimization/27302
1897 * fold-const.c (operand_equal_p): For two comparisons,
1898 try comparison of one comparison code swapped if that yields
1901 2006-05-10 Ben Elliston <bje@au.ibm.com>
1903 * tree-pretty-print.c (pretty_print_string): No need to handle
1904 '\0' as a special character.
1906 * tree.h: Include "hashtab.h".
1907 (iterative_hash_expr): Use hashval_t in its prototype.
1908 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1910 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1913 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1914 (hppa*64*-*-hpux11*): Ditto.
1915 (hppa[12]*-*-hpux11*): Ditto.
1917 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1920 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1922 2006-05-09 Michael Matz <matz@suse.de>
1924 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1925 host_extra_gcc_objs and host_xmake_file.
1926 (<*-*-linux*>): Don't overwrite host_xmake_file.
1927 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1928 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1929 (host_detect_local_cpu): Declare.
1930 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1931 * config/i386/i386.c (override_options): Handle -mtune=native
1933 * config/i386/x-i386: New file.
1934 * config/i386/driver-i386.c: New file.
1935 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1938 2006-05-09 Dirk Mueller <dmueller@suse.de>
1939 Richard Guenther <rguenther@suse.de>
1942 * fold-const.c (fold_read_from_constant_string): Relax check
1943 for matching types to matching modes.
1945 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1947 PR rtl-optimization/27335
1948 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1951 2006-05-08 Chao-ying Fu <fu@mips.com>
1952 Richard Sandiford <richard@codesourcery.com>
1954 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1955 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1956 * config/mips/mips.md (UNSPEC_SCC): New constant.
1957 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1958 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1959 (mips_emit_compare): Use it.
1960 (mips_expand_vcondv2sf): New function.
1962 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1964 Fix PR tree-optimization/27093
1965 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1966 renaming when they become not-used_alone.
1968 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1970 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1971 relocation and relocation stubs.
1973 2006-05-08 Eric Christopher <echristo@apple.com>
1975 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1978 2006-05-08 Jan Hubicka <jh@suse.cz>
1981 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1982 unused static functions are needed.
1984 2006-05-08 Roger Sayle <roger@eyesopen.com>
1987 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1988 of a reg_equiv_constant if the result is a legitimate constant.
1990 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1993 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1994 standard 80387 constants, raise the cost to prevent
1995 compress_float_constant() to generate load from memory.
1997 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1999 * config/arm/constraints.md (c): Fix a typo.
2001 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2004 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2007 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2009 (_mm_mwait): Likewise.
2011 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2013 (sse3_monitor): Make it 32bit only.
2014 (sse3_monitor64): New. 64bit monitor.
2016 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2019 * config/i386/i386.c (classify_argument): Skip fields with invalid
2022 2006-05-07 Richard Guenther <rguenther@suse.de>
2024 PR tree-optimization/27409
2025 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2026 Do not try to find zero-sized subvars.
2028 2006-05-07 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/27136
2031 * tree-ssa-loop-niter.c (get_val_for): Correct function
2032 comment, assert requirements.
2033 (loop_niter_by_eval): Stop processing if the iterated
2034 value did not simplify.
2036 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2038 * opts.c (flag_see): remove its setting at -O3.
2040 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2042 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2043 * arm/constraints.md: New file.
2044 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2045 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2046 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2047 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2048 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2049 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2050 * arm.md: Include constraints.md.
2051 (thumb_movsi_insn): Use satisfies_constraint_J.
2052 (movhi, movqi): Use satisfies_constraint_I.
2054 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2056 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2057 for atmeg a645 device.
2059 2006-05-06 Richard Guenther <rguenther@suse.de>
2061 PR tree-optimization/27151
2062 * tree-vect-transform.c (vectorizable_condition): Punt on
2063 values that have a different type than the condition.
2065 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2068 * c-parser.c (c_parser_cast_expression): Only insert casts into
2069 hash table if pointer.
2070 * function.c (used_types_insert_helper): Rename from
2072 (used_types_insert): Call used_types_insert_helper.
2073 * function.h (used_types_insert): Accept only one argument.
2075 2006-05-05 David Edelsohn <edesohn@gnu.org>
2077 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2078 scratch with output modifier.
2080 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2083 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2084 with output modifier.
2086 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2089 * config/mips/mips.c (mips_symbolic_address_p): Return true
2090 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2091 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2093 2006-05-04 Richard Guenther <rguenther@suse.de>
2095 PR tree-optimization/14287
2096 PR tree-optimization/14844
2097 PR tree-optimization/19792
2098 PR tree-optimization/21608
2099 PR tree-optimization/27090
2100 * tree-ssa-pre.c (try_combine_conversion): New function.
2101 (compute_avail): After constructing the value-handle
2102 expression, use try_combine_conversion to combine NOP_EXPRs
2103 with previous value-handle expressions and use the result if it
2106 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2108 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2110 2006-05-04 Jan Hubicka <jh@suse.cz>
2113 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2115 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2117 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2118 that this only matches CONST_INTs. All users changed to VOIDmode
2121 * config/bfin/bfin.c: Include "optabs.h".
2122 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2124 (enum bfin_builtins): Add a number of fractional and vector builtins.
2125 (bfin_init_builtins): Likewise.
2126 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2127 (safe_vector_operand, bfin_expand_binop_builtin,
2128 bfin_expand_unop_builtin): New functions.
2129 (bfin_expand_builtin): Handle the new builtins.
2130 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2133 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2136 * Makefile.in (OBJS-common): Add see.o.
2137 (see.o): Add dependencies.
2138 * common.opt (fsee): New flag for the see optimization was added.
2139 * opts.c (flag_see): Initialized.
2140 * passes.c (init_optimization_passes, pass_see): New pass.
2141 * rtl.h (see_main): Declaration as extern.
2142 * timevar.def (TV_SEE): New.
2143 * tree-pass.h (pass_see): Declaration as extern.
2144 * invoke.texi (-fsee): Document.
2145 * recog.c (validate_simplify_insn): New function.
2146 * recog.h (validate_simplify_insn): Declaration as extern.
2147 * df-problems.c (df_chain_dump): Check for NULL.
2149 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2150 Daniel Berlin <dberlin@dberlin.org>
2152 * cfgrtl.c (insert_insn_bb_end_new): New function.
2153 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2155 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2157 * df.h (struct web_entry): Moved from web.c.
2158 (union_defs): Declaration as extern.
2159 (unionfind_root): Likewise.
2160 (unionfind_union): Likewise.
2161 * web.c (struct web_entry): Moved to df.h.
2162 (unionfind_root): Remove static declaration.
2163 (unionfind_union): Likewise.
2164 (union_defs): Likewise and generalize to use callback function.
2165 (web_main): Update arguments for union_defs function call.
2167 2006-05-04 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/26447
2170 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2171 produce SSA_NAME copies before the store stmt to avoid
2172 breaking exception handling.
2174 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2177 * gimplify.c (omp_is_private): If var is shared in some outer context,
2178 return false instead of true. Stop searching on parallel context
2181 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2184 * coverage.c: Use get_gcov_unsigned_t() instead of
2185 unsigned_type_node all over.
2187 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2189 PR tree-optimization/27381
2190 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2191 maintain the same immediate_use links.
2192 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2193 node rather than segfaulting.
2195 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2198 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2199 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2200 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2202 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2204 Fix PR tree-optimization/26626
2205 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2207 * tree-ssa-operands.c (access_can_touch_variable): Allow
2208 typecasting through union pointers.
2210 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2213 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2214 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2215 to find if var will be a global variable even in the nested context.
2216 (omp_copy_decl): Only check for global variable at the end, it might
2217 be overridden in outer contexts.
2218 (scan_sharing_clauses): For global variables don't create a field.
2219 (lower_rec_input_clauses): Do nothing for global shared variables.
2220 Emit a barrier at the end of ILIST if there were any decls in both
2221 firstprivate and lastprivate clauses.
2222 (lower_send_clauses): Do nothing for global variables except for
2225 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2227 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2228 of the correct signedness is returned.
2230 2006-05-02 Jeff Law <law@redhat.com>
2232 PR tree-optimization/27364
2233 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2234 multiply expressions.
2236 2006-05-02 Tom Tromey <tromey@redhat.com>
2238 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2240 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2243 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2244 -mthumb -fPIC are used.
2246 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2247 Joshua Kinard <kumba@gentoo.org>
2250 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2251 with 64-bit pointers.
2253 2006-05-02 Paul Brook <paul@codesourcery.com>
2255 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2257 (create_fix_barrier): Check that a suitable barrier location is
2259 (arm_reorg): Include ftmp->address in allowable range of addresses.
2261 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2264 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2267 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2270 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2271 around RESULT_DECL for result passed by reference.
2272 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2273 * omp-low.c (use_pointer_for_field): Don't look at
2274 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2275 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2276 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2277 time or var for passing by reference for
2278 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2279 TREE_ADDRESSABLE variables when passing by reference.
2281 * omp-low.c (dump_omp_region): Fix output formatting.
2284 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2285 (expand_omp_parallel): Likewise.
2286 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2289 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2290 on statement list containing also constructors and destructors.
2291 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2294 * except.c (duplicate_eh_regions): Fix clearing of
2295 cfun->eh->region_array entries.
2297 2006-05-01 DJ Delorie <dj@redhat.com>
2299 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2301 (gcc_cv_objdump): Likewise.
2302 * configure: Regenerated.
2304 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2307 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2308 templates for case 3 and 4.
2310 2006-05-01 DJ Delorie <dj@redhat.com>
2312 * vec.c: Include bconfig.h when appropriate.
2313 * Makefile.in (build/vec.o): Adjust dependencies.
2314 * mkconfig.sh: Make sure config.h isn't used for build machine
2317 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2319 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2321 (mark_phi_for_rewrite): New function.
2322 (insert_phi_nodes_for, mark_use_interesting): Call
2323 mark_phi_for_rewrite.
2324 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2325 (update_ssa): Initialize and free phis_to_rewrite.
2327 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2329 PR rtl-optimization/27291
2330 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2331 folded to a constant.
2333 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2335 PR tree-optimization/27283
2336 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2337 not whole # of iteration descriptions.
2338 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2339 uses abnormal ssa name.
2340 (niter_for_single_dom_exit): Ditto.
2341 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2342 return just the number of iterations.
2344 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2346 PR tree-optimization/27144
2347 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2348 (record_estimate): Only record constant upper bound.
2349 (infer_loop_bounds_from_undefined): Call
2350 compute_estimated_nb_iterations just once.
2351 (proved_non_wrapping_p): Renamed to ...
2352 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2353 (convert_step_widening, scev_probably_wraps_p): Call
2354 n_of_executions_at_most instead of proved_non_wrapping_p.
2355 (substitute_in_loop_info): Do not replace values in bounds.
2356 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2359 2006-05-01 Richard Henderson <rth@redhat.com>
2362 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2363 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2366 2006-05-01 Roger Sayle <roger@eyesopen.com>
2368 * c-typeck.c (parser_build_binary_op): Don't call the function
2369 unsigned_conversion_warning to spot operand/result type overflow.
2370 (build_binary_op): Instead, call convert_and_check instead of
2371 convert to report the problem when the operands are promoted.
2372 * c-common.c (unsigned_conversion_warning): Make static.
2373 * c-common.h (unsigned_conversion_warning): Delete prototype.
2375 2006-05-01 Richard Guenther <rguenther@suse.de>
2377 PR tree-optimization/26726
2378 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2380 (find_interesting_uses_address): ... we work around here
2381 by folding INDIRECT_REFs in the substituted base.
2383 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2385 * omp-low.c (dump_omp_region): Add newlines.
2387 2006-04-30 Roger Sayle <roger@eyesopen.com>
2389 * common.opt (Woverflow): New command line option.
2390 * c-common.c (constant_expression_warning): Check warn_overflow.
2391 (overflow_waring): Pass OPT_Woverflow to warning.
2392 (unsigned_conversion_warning): Likewise.
2393 (convert_and_check): Likewise.
2394 * doc/invoke.texi: Document new command line option.
2396 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2398 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2399 TARGET_NO_FP_IN_TOC for section anchors.
2400 (optimization_options): Enable section anchors for all
2401 non-"Objective" languages.
2403 2006-04-28 Eric Christopher <echristo@apple.com>
2405 * config/darwin-c.c (darwin_ms_struct): Move this
2406 (darwin_set_default_type_attributes): and this...
2407 * config/darwin.c: ... here.
2408 * config/darwin.h (darwin_ms_struct): Declare.
2410 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2412 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2414 2006-04-28 Roger Sayle <roger@eyesopen.com>
2417 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2418 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2419 an unsigned HOST_WIDE_INT.
2420 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2422 (really_start_incremental_init): No need to call convert because
2423 bitsize_zero_node is already of type bitsizetype.
2424 (push_init_level): Extract the value of constructor_index as an
2425 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2426 (process_init_element): Likewise.
2428 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2430 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2431 value before passing to make_relative_prefix.
2433 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2436 * builtins.c (expand_builtin_memset): Expand val in original mode.
2438 2006-04-27 Eric Christopher <echristo@apple.com>
2440 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2441 with #ifndef/#endif.
2442 * config/darwin-c.c (darwin_ms_struct): New.
2443 (darwin_pragma_ms_struct): Ditto.
2444 (darwin_set_default_type_attributes): Ditto.
2445 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2446 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2447 Register ms_struct pragma.
2448 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2449 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2450 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2451 darwin_set_default_type_attributes if TARGET_MACHO.
2453 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2455 PR tree-optimization/26854
2456 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2457 * doc/tree-ssa.texi: Update immuse iterator documentation.
2458 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2459 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2460 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2461 first_safe_imm_use, next_safe_imm_use): Remove.
2462 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2463 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2464 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2465 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2466 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2467 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2468 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2469 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2470 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2471 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2472 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2473 (perfect_nestify): Use new iterator.
2474 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2476 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2477 (next_imm_name): New field in struct immediate_use_iterator_d.
2478 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2479 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2480 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2481 * tree-cfg.c (replace_uses_by): Use new iterator.
2482 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2483 * tree-ssa-operands.c (correct_use_link): Remove.
2484 (finalize_ssa_use_ops): No longer call correct_use_link.
2486 2006-04-27 Stuart Hastings <stuart@apple.com>
2488 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2489 * config/t-darwin (crt3.o): Use it.
2490 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2491 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2492 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2493 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2494 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2497 2006-04-27 Roger Sayle <roger@eyesopen.com>
2499 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2500 size, force the intermediate into a new pseudo rather instead of
2501 performing both a bitwise AND and a bitwise IOR in memory.
2503 2006-04-27 Richard Guenther <rguenther@suse.de>
2505 PR rtl-optimization/26685
2506 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2507 this one "max-flow-memory-locations".
2509 2006-04-27 Richard Guenther <rguenther@suse.de>
2511 PR tree-optimization/25148
2512 * tree-vrp.c (compare_values): Remove code dealing with
2513 comparisons against type min/max value. Honour overflow
2514 and negative constants in code dealing with comparisons
2515 of plus and minus expressions.
2516 (value_inside_range): Use fold_binary with LE_EXPR and
2517 GE_EXPR rather than compare_values.
2519 2006-04-27 Dirk Mueller <dmueller@suse.de>
2521 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2524 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2526 * basic-block.h (safe_insert_insn_on_edge): Removed.
2527 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2529 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2530 Paolo Bonzini <bonzini@gnu.org>
2533 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2534 (simplify_and_const_int): Same.
2536 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2538 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2540 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2543 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2544 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2545 cgraph_global_info_ready.
2548 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2551 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2552 either decl or init is error_mark_node.
2555 * tree-flow.h (struct omp_region): Add sched_kind.
2556 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2557 instead of extracting omp for data.
2558 (expand_omp_for): Save extracted sched_kind.
2560 2006-04-25 Roger Sayle <roger@eyesopen.com>
2562 * expmed.c (store_bit_field): Also check whether the bitsize is
2563 valid for the machine's "insv" instruction before moving the
2564 target into a pseudo for use with the insv.
2565 * config/i386/predicates.md (const8_operand): New predicate.
2566 * config/i386/i386.md (extv, extzv, insv): Use the new
2567 const8_operand predicate where appropriate.
2569 2006-04-25 DJ Delorie <dj@redhat.com>
2571 * doc/install.texi (Specific): Clarify that this is not a list of
2572 supported hosts or targets.
2574 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2576 PR rtl-optimization/26725
2577 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2578 block's BB_DIRTY flag.
2580 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2582 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2585 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2586 to print an integer.
2588 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2590 * varasm.c (align_variable): New function.
2591 (get_block_for_decl): Apply align_variable to DECL before
2592 calculating section information.
2593 (assemble_variable): Split out alignment computation.
2595 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2597 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2600 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2602 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2603 MODE_PARTIAL_INT mode.
2604 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2605 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2607 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2608 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2610 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2612 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2614 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2615 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2616 MACFLAG_IH): Likewise.
2617 (movstricthi_1): Renamed from "*movstricthi".
2618 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2619 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2620 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2621 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2622 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2623 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2624 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2625 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2626 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2627 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2628 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2629 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2630 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2631 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2632 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2634 * doc/rtl.texi (ss_ashift): Improve wording.
2636 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2638 * dwarf2out.c (verify_marks_clear): New.
2639 (prune_unused_types): Call verify_marks_clear initially, not
2642 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2644 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2645 * doc/rtl.texi: Document them.
2646 * simplify-rtx.c (simplify_unary_operation,
2647 simplify_binary_operation_1): Don't abort when we see them.
2649 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2652 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2653 * configure.ac: Completely disregard languages that are not
2655 * configure: Regenerated.
2657 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2658 Richard Guenther <rguenther@suse.de>
2660 PR tree-optimization/27236
2661 * tree-inline.c (copy_body_r): Make sure to copy
2662 TREE_THIS_VOLATILE flag.
2664 2006-04-24 Richard Guenther <rguenther@suse.de>
2667 * tree-complex.c (update_parameter_components): Don't handle
2668 unused parameters which have no default def.
2670 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2671 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/27218
2674 * tree-inline.c (expand_call_inline): Strip useless type
2675 conversions for the return slot address.
2677 2006-04-24 Richard Guenther <rguenther@suse.de>
2679 * cfgloop.h (struct loops): Remove unused field array. Reorder
2681 (LOOP_PREFETCH): Remove.
2683 2006-04-24 Richard Guenther <rguenther@suse.de>
2685 PR tree-optimization/22525
2686 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2687 variable, adjust types of generated expressions.
2689 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2691 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2692 (tree-vect-patterns.o): Likewise.
2694 (cselib.o): Likewise.
2695 (loop-doloop.o): Likewise.
2696 (regclass.o): Likewise.
2697 (reload1.o): Likewise.
2698 (explow.o): Replace target.h with $(TARGET_H).
2699 (ipa-prop.o): Likewise.
2700 (ipa-cp.o): Likewise.
2701 (ipa-inline.o): Likewise.
2702 (reorg.o): Likewise.
2703 (reg-stack.o): Likewise.
2705 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2707 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2709 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2711 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2713 * configure.ac: Completely disregard languages that are not
2715 * configure: Regenerated.
2718 * c-common.h (c_build_bitfield_integer_type): Declare.
2719 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2720 * c-common.c (c_build_bitfield_integer_type): ... here.
2722 2006-04-23 Roger Sayle <roger@eyesopen.com>
2725 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2726 a SImode SUBREG of a floating point register after no_new_pseudos.
2728 2006-04-23 Roger Sayle <roger@eyesopen.com>
2730 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2731 identify potentially eliminable registers to additionally catch
2732 VIRTUAL_INCOMING_ARGS_REGNUM.
2733 (addsi3): Update the conditions on when to use addsi_small_int.
2735 2006-04-23 Roger Sayle <roger@eyesopen.com>
2738 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2739 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2740 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2742 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2744 * fold-const.c (range_predecessor): Use operand_equal_p
2745 as the predicate for equality.
2746 (range_successor): Likewise.
2748 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2751 * config/soft-fp/op-common.h: Fix a typo.
2753 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2756 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2757 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2759 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2761 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2763 * doc/tm.texi: Fix a typo.
2765 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2767 * dwarf2out.c (struct die_struct): Document that die_sib makes
2768 a circular linked list.
2769 (FOR_EACH_CHILD): New.
2770 (reverse_die_lists): Delete.
2771 (reverse_all_dies): Delete.
2772 (add_dwarf_attr): Correct documentation.
2773 (remove_child_with_prev): New.
2774 (remove_child_TAG): Update for change to die_struct, use
2775 remove_child_with_prev.
2776 (add_child_die): Update for change to die_struct.
2777 (splice_child_die): Use remove_child_with_prev and add_child_die.
2778 (print_die): Use FOR_EACH_CHILD.
2779 (die_checksum): Likewise.
2780 (assign_symbol_names): Likewise.
2781 (output_location_lists): Likewise.
2782 (build_abbrev_table): Likewise.
2783 (calc_die_sizes): Likewise.
2784 (mark_dies): Likewise.
2785 (unmark_dies): Likewise.
2786 (unmark_all_dies): Likewise.
2787 (output_die): Likewise.
2788 (prune_unused_types_mark): Likewise.
2789 (prune_unused_types_walk): Likewise.
2790 (same_die_p): Update for change to die_struct.
2791 (break_out_includes): Likewise.
2792 (prune_unused_types_prune): Likewise.
2793 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2794 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2796 (dwarf2out_finish): Don't call reverse_all_dies.
2798 2006-04-21 Eric Christopher <echristo@apple.com>
2800 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2801 in comments and function names.
2803 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2806 * c-typeck.c (digest_init): Robustify.
2808 * c-typeck.c (pop_init_level): Simplify.
2810 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2812 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2814 2006-04-21 Paul Brook <paul@codesourcery.com>
2816 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2817 hardware floating point.
2819 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2821 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2824 2006-04-21 Nick Clifton <nickc@redhat.com>
2826 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2829 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2832 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2833 C++ lang type in traceback table for Objective-C++.
2835 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2837 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2839 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2841 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2844 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2845 were errors. Remove check for erroneous objects.
2847 2006-04-20 Jeff Law <law@redhat.com>
2849 PR tree-optimization/26854
2850 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2851 checking for zero or one use.
2852 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2853 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2854 * tree-ssa-reassoc.c (negate_value): Similarly.
2855 (reassociate_bb): Similarly.
2857 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2859 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2860 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2861 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2863 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2865 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2866 fp regs if the last fp arg doesn't fit in regs.
2868 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2871 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2872 that the last insn has the REG_INC note.
2874 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2875 Nathan Sidwell <nathan@codesourcery.com>
2878 * stor-layout.c (update_alignment_for_field): Do not align
2880 (place_union_field): Place union field at the start of the union.
2881 (place_field): Move ERROR_MARK check later, and use the current
2882 allocation position to maintain monotonicity.
2884 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2886 * dominance.c: Include timevar.h.
2887 (calculate_dominance_info): Use TV_DOMINANCE.
2888 * timevar.def (TV_DOMINANCE): New timevar.
2889 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2891 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2893 PR rtl-optimization/14261
2894 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2895 move would be an INSV insn.
2896 (noce_process_if_block): Don't optimize if the destination is a
2897 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2899 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2901 * config/s390/s390.md: Add comments with the instructions emitted
2902 by an insn pattern if macros are used.
2904 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2906 PR rtl-optimization/26026
2907 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2908 is a known power of two shifted left a variable amount.
2910 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2912 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2913 to hash table twice when the debug_str section has SECTION_MERGE.
2915 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2917 * config/soft-fp: New directory. From glibc.
2918 * config/soft-fp/t-softfp: New.
2919 * config/soft-fp/README: New.
2920 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2921 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2922 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2923 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2924 * config.gcc: Use rs6000/t-fprules-fpbit or
2925 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2927 * config/rs6000/sfp-machine.h: New. Based on glibc.
2928 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2930 * config/rs6000/t-fprules: Remove fp-bit rules.
2931 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2932 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2933 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2934 (softfp_wrap_start, softfp_wrap_end): New.
2936 2006-04-18 DJ Delorie <dj@redhat.com>
2938 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2940 2006-04-18 Devang Patel <dpatel@apple.com>
2942 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2944 2006-04-18 Nick Clifton <nickc@redhat.com>
2946 * config/sh/t-symbian: Add rule to build sh-c.o
2947 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2948 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2949 (sh_symbian_encode_section_info): Likewise.
2951 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2953 * builtins.c (expand_builtin_strcmp): Cover label definition of
2954 do_libcall with HAVE_cmpstrnsi.
2956 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2958 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2960 * function.h (temp_slot_p): New.
2961 (function): Change the type of x_used_temp_slots to
2962 VEC(temp_slot_p,gc) *.
2964 2006-04-18 Nick Clifton <nickc@redhat.com>
2966 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2967 flag_strength_reduce.
2969 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2971 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2975 Partial revert of revision 112637
2976 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2977 Dale Johannesen <dalej@apple.com>
2980 * regclass.c (struct reg_pref): Update documentation.
2981 (regclass): Set prefclass to NO_REGS if memory is the best option.
2982 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2984 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2986 PR tree-optimization/26821
2987 * tree-ssa-math-opts.c (get_constant_one): New.
2988 (insert_reciprocals): Use it.
2990 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2992 * dwarf2out.c (free_AT): Delete.
2993 (remove_AT): Update string ref counts.
2994 (remove_child_TAG): Don't call free_die.
2996 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2997 or DW_TAG_GNU_EINCL.
2998 (prune_unused_types_walk_attribs): Reset string refcounts.
2999 (prune_unused_types_update_strings): New.
3000 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3001 call free_die. Do call prune_unused_types_update_strings.
3002 (prune_unused_types): Empty debug_str_hash.
3004 2006-04-17 Roger Sayle <roger@eyesopen.com>
3006 * expr.c (expand_assignment): Optimize away no-op moves where the
3007 source and destination are equal and have no side-effects.
3009 2006-04-17 Richard Guenther <rguenther@suse.de>
3012 * reload.c (push_reload): Guard calls to get_secondary_mem
3015 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3017 * alias.c (reg_base_value, old_reg_base_value): Change the
3018 type to VEC(rtx,gc) *.
3019 (REG_BASE_VALUE, find_base_value, record_set,
3020 init_alias_analysis): Use VEC instead of VARRAY.
3022 * alias.c (alias_sets): Change the type to
3023 VEC(alias_set_entry,gc) *.
3024 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3025 VEC instead of VARRAY.
3026 (last_alias_set): Remove.
3028 * cgraph.h (cgraph_edge_p): New.
3029 Update the prototype of cgraph_function_versioning.
3030 * cgraphunit.c (cgraph_copy_node_for_versioning,
3031 cgraph_function_versioning): Use VEC instead of VARRAY.
3032 * ipa-cp.c (ipcp_insert_stage): Likewise.
3034 2006-04-16 Roger Sayle <roger@eyesopen.com>
3037 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3038 "A op B" or "A op C", we may need to convert A to the type of B and C.
3040 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3042 * target.h (struct gcc_target): Add mode_rep_extended.
3043 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3044 (init_num_sign_bit_copies_in_rep): Initialize it using
3046 (truncate_to_mode): Use it.
3047 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3048 * targhooks.h (default_mode_rep_extended): Declare it.
3049 * targhooks.c (default_mode_rep_extended): Define it.
3050 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3051 default_mode_rep_extended.
3052 (TARGET_INITIALIZER): Include it.
3053 * doc/tm.texi (Misc): Document it.
3054 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3055 (mips_truncated_to_mode): New function.
3057 2006-04-16 Roger Sayle <roger@eyesopen.com>
3060 * expr.c (compress_float_constant): Copy the narrow constant into
3061 a new pseudo before extending it to its final width.
3063 2006-04-16 Roger Sayle <roger@eyesopen.com>
3064 Andrew Pinski <pinskia@gcc.gnu.org>
3065 Dale Johannesen <dalej@apple.com>
3068 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3069 special case code to implement V8HImode and V16QImode with SSE2.
3071 2006-04-15 Roger Sayle <roger@eyesopen.com>
3073 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3074 trees are constructed with a suitable tree type.
3076 2006-04-15 Roger Sayle <roger@eyesopen.com>
3078 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3079 (integer_onep): Likewise.
3080 (integer_all_onesp): Likewise.
3081 (integer_pow2p): Likewise.
3082 (integer_nonzerop): Likewise.
3083 (real_zerop): Likewise.
3084 (real_onep): Likewise.
3085 (real_twop): Likewise.
3086 (real_minus_onep): Likewise.
3087 (int_size_in_bytes): Likewise.
3088 (host_integerp): Likewise.
3090 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3092 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3093 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3094 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3096 * tree-ssa-structalias.h (alias_info): Remove num_references.
3098 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3100 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3101 (output_bvb patterns): Likewise.
3102 * pa.c (output_bb): Use 'bb' insn for long branch case.
3103 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3104 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3105 1. Correct length operand for alternatives 1 and 2.
3106 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3107 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3109 2006-04-14 Roger Sayle <roger@eyesopen.com>
3111 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3112 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3113 were accidentally reverted by r112959.
3115 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3118 * except.h (eh_region_outermost): New prototype.
3119 * except.c (eh_region_outermost): New function.
3120 * tree-cfg.c (find_outermost_region_in_block): Use it.
3122 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3124 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3126 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3127 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3128 (init_reload, reload): Use VEC instead of VARRAY.
3129 * reload.h: Update the prototype for
3130 reg_equiv_memory_loc_varray.
3132 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3133 Eric Botcazou <ebotcazou@libertysurf.fr>
3135 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3138 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3141 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3142 to expand fallback builtin function call.
3144 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3147 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3148 and emit libcall here in case the builtin fails.
3149 (expand_builtin_strcmp): Always emit the libcall here on failure.
3151 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3153 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3154 * flow.c (reg_n_info): Change the type to
3155 VEC(reg_info_p,heap) *.
3156 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3158 * regs.h (reg_info_p): New.
3159 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3160 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3161 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3164 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3166 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3168 * params.h (MAX_SCHED_READY_INSNS): New macro.
3169 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3170 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3171 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3172 the ready list for 1 cycle during the first scheduling pass.
3173 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3175 2006-04-13 Richard Henderson <rth@redhat.com>
3178 * gimple-low.c (lower_omp_directive): Remove dead code.
3179 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3180 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3181 * omp-low.c (struct omp_region): Move to tree-flow.h.
3182 (root_omp_region): Export.
3183 (omp_regions, lookup_omp_region): Remove.
3184 (determine_parallel_type): Update for struct omp_region changes.
3185 (dump_omp_region): Dump regions with block numbers.
3186 (new_omp_region): Take type and block instead of stmt; malloc
3188 (free_omp_region_1, free_omp_regions): New.
3189 (expand_parallel_call): Take entry_stmt as argument; update for
3190 changes to omp_region.
3191 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3192 (remove_exit_barriers): New.
3193 (expand_omp_parallel): Update for struct omp_region changes.
3194 (expand_omp_synch): Likewise.
3195 (expand_omp): Likewise.
3196 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3197 (expand_omp_for_static_chunk): Likewise.
3198 (expand_omp_for): Likewise.
3199 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3200 (expand_omp_sections): Similarly, with GOMP_sections_end.
3201 (expand_omp_single): New.
3202 (build_omp_regions_1): Update for OMP_CONTINUE.
3203 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3204 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3205 OMP_SECTIONS_SECTIONS.
3206 (lower_omp_single_simple): Don't emit barrier here.
3207 (lower_omp_single_copy): Likewise.
3208 (lower_omp_single): Fix bindings, and lower to straightline now.
3209 (lower_omp_master, lower_omp_ordered): Likewise.
3210 (lower_omp_critical): Likewise.
3211 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3212 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3213 omp edges, free it afterward.
3214 (make_omp_sections_edges): Remove.
3215 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3216 (move_stmt_r): Handle OMP_CONTINUE.
3217 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3218 statement pointers to basic blocks. Add type member.
3219 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3220 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3221 * tree-inline.c (estimate_num_insns_1): Likewise.
3222 * tree-pretty-print.c (dump_generic_node): Likewise.
3223 * tree-ssa-operands.c (get_expr_operands): Likewise.
3224 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3225 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3226 (OMP_CONTINUE): New.
3227 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3228 (OMP_SECTIONS_SECTIONS): Remove.
3229 (OMP_SECTION_LAST): New.
3230 (OMP_RETURN_NOWAIT): New.
3232 2006-04-13 Roger Sayle <roger@eyesopen.com>
3234 * fold-const.c (native_encode_vector, native_interpret_real):
3235 Correct obvious mistakes in the previous check-in.
3237 2006-04-13 Roger Sayle <roger@eyesopen.com>
3239 * fold-const.c (native_encode_expr): New function to encode
3240 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3241 or VECTOR_CST into a specified buffer.
3242 (native_encode_int): New function.
3243 (native_encode_real): New function.
3244 (native_encode_complex): New function.
3245 (native_encode_vector): New function.
3246 (native_interpret_expr): Inverse of native_encode_expr to convert
3247 a target representation into an INTEGER_CST, REAL_CST etc...
3248 (native_interpret_int): New function.
3249 (native_interpret_real): New function.
3250 (native_interpret_complex): New function.
3251 (native_interpret_vector): New function.
3252 (fold_view_convert_expr): New function to constant fold/evaluate
3253 a VIEW_CONVERT_EXPR of a suitable constant expression.
3254 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3255 Change call of build1 to fold_build1 when constructing a
3258 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3259 Ulrich Weigand <uweigand@de.ibm.com>
3262 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3265 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3268 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3269 optimize to lo_sum for DFmode if !TARGET_FPRS.
3271 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3273 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3274 delete_alias_info, compute_flow_sensitive_aliasing,
3275 group_aliases): Use VEC instead of VARRAY.
3276 * tree-ssa-structalias.c (update_alias_info): Likewise.
3277 * tree-ssa-structalias.h (alias_info): Change the type of
3278 processed_ptrs to VEC(tree,heap) *.
3280 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3283 * config/sh/lib1funcs.h: New file, broken out of:
3284 * config/sh/lib1funcs.asm.
3285 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3287 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3288 * config/sh/lib1funcs-Os-4-200.asm: New file.
3289 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3290 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3291 (EXTRA_MULTILIB_PARTS): Include it.
3292 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3293 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3294 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3295 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3298 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3300 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3301 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3302 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3304 * tree-ssa-live.h: Include vecprim.h.
3305 (tree_partition_associator_d): Change the type of
3306 first_partition to VEC(int,heap) *.
3307 (tpa_first_partition): Use VEC instead of VARRAY.
3309 * Makefile.in (GTFILES): Move functions.h after tree.h.
3310 * function.c (reset_block_changes, record_block_change,
3311 check_block_change, free_block_changes): Use VEC instead of
3313 * function.h (function): Change the type of
3314 ib_boundaries_block to VEC(tree,gc) *.
3315 * tree-inline.c (copy_cfg_body): Initialize
3316 ib_boundaries_block to NULL instead of (varray_type) 0.
3318 2006-04-12 Roger Sayle <roger@eyesopen.com>
3320 * expr.c (emit_group_store): Correct operand order in call to
3321 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3322 a SUBREG_BYTE of zero.
3324 2006-04-12 Richard Guenther <rguenther@suse.de>
3326 * profile.c (compute_branch_probabilities): Remove code
3327 encapsulated in !ir_type (), which are remanents of the
3328 removed RTL profiling code.
3329 * rtl-profile.c: Remove.
3331 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3333 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3334 magic NULL_RTX comment.
3335 (function_arg): Store entire fp arg to mem if any part should go
3337 (rs6000_arg_partial_bytes): Adjust for above change.
3339 2006-04-11 Roger Sayle <roger@eyesopen.com>
3341 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3342 if it hasn't been initialized by dwarf2out_init.
3344 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3346 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3347 symbolic constants in branch patterns.
3349 2006-04-11 Roger Sayle <roger@eyesopen.com>
3351 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3353 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3355 PR rtl-optimization/27073
3356 * gcse.c (try_replace_reg): Revert last change. Continue to search
3357 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3360 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3362 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3363 aggregate types other than record and union types.
3364 (function_arg): Likewise.
3365 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3367 (function_value): In 64-bit mode, return objects that require it
3370 2006-04-11 Roger Sayle <roger@eyesopen.com>
3372 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3374 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3376 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3378 2006-04-03 Jeff Law <law@redhat.com>
3381 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3382 alias information too.
3384 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3386 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3388 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3391 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3392 (premark_used_types_helper): New.
3393 (premark_used_types): New.
3394 (gen_subprogram_die): Call premark_used_types.
3395 (prune_unused_types_walk): Do not prune perennial dies.
3396 * function.c (used_types_insert): New.
3397 * function.h (struct function): Add used_types_hash field.
3398 (used_types_insert): Add prototype.
3399 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3400 * c-parser.c (c_parser_cast_expression): Save casted types in used
3403 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3406 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3407 rs6000_explicit_options.float_gprs.
3409 2006-04-10 Roger Sayle <roger@eyesopen.com>
3411 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3412 from ix86_expand_vector_init_low_nonzero. Take an additional
3413 one_var argument indicating which element is non-zero. Support
3414 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3415 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3416 with one_var instead of ix86_expand_vector_init_low_nonzero.
3418 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3420 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3421 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3422 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3423 build/genextract.o): Depend on vecprim.h.
3424 * cfglayout.c, df-problems.c, function.c, genextract.c,
3425 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3426 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3430 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3432 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3433 Declare VECs of this type.
3434 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3435 (remove_children): Delete.
3436 (add_dwarf_attr): Use VEC routines.
3437 (add_AT_flag): Update for changes to add_dwarf_attr.
3438 (add_AT_int): Likewise.
3439 (add_AT_unsigned): Likewise.
3440 (add_AT_long_long): Likewise.
3441 (add_AT_vec): Likewise.
3442 (add_AT_string): Likewise.
3443 (add_AT_die_ref): Likewise.
3444 (add_AT_fde_ref): Likewise.
3445 (add_AT_loc): Likewise.
3446 (add_AT_loc_list): Likewise.
3447 (add_AT_addr): Likewise.
3448 (add_AT_lbl_id): Likewise.
3449 (add_AT_lineptr): Likewise.
3450 (add_AT_macptr): Likewise.
3451 (add_AT_offset): Likewise.
3452 (add_AT_range_list): Likewise.
3453 (get_AT): Use VEC_iterate.
3454 (remove_AT): Use VEC_ordered_remove.
3455 (free_die): Fold remove_children into here; have it use VEC_iterate.
3456 (print_die): Use VEC_iterate on attrs.
3457 (reverse_die_lists): Don't reverse attr lists.
3458 (die_checksum): Use VEC_iterate on attrs.
3459 (same_die_p): Likewise.
3460 (output_location_lists): Likewise.
3461 (build_abbrev_table): Likewise.
3462 (size_of_die): Likewise.
3463 (unmark_all_dies): Likewise.
3464 (output_abbrev_section): Likewise.
3465 (output_die): Likewise.
3466 (prune_unused_types_walk_attribs): Likewise.
3468 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3470 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3472 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3475 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3477 2006-04-09 Roger Sayle <roger@eyesopen.com>
3479 * expr.c (store_constructor): Don't bother clearing target if
3480 we're about to assign a vector to it using vec_init_optab.
3482 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3484 * tree-ssa-alias.c (lhs_may_store_to): New function.
3485 (recalculate_used_alone): Handle LHS of calls.
3487 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3491 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3492 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3493 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3494 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3495 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3496 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3497 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3498 stubs. Add ".align 8" directives before all ".dword" directives.
3499 (GTHREAD_USE_WEAK): Revise comment.
3500 (TARGET_ATTRIBUTE_WEAK): Define.
3501 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3502 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3503 * stublib.c: New file.
3508 * pa.md (cbranch patterns): Revise arguments used in calls to
3509 output_cbranch, output_bb and output_bvd. Add long branch length
3511 (fbranch patterns): Handle long branches.
3512 (jump): Revise length check. Revise arguments for output_lbranch call.
3513 Add long branch length attributes.
3514 (decrement_and_branch_until_zero): Add long branch length attributes.
3515 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3516 Likewise. Revise arguments for output_parallel_addb and
3517 output_parallel_movb calls.
3518 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3519 output_parallel_movb and output_parallel_addb): Update prototypes.
3520 * pa.c (output_cbranch): Revise arguments. Correct handling of
3521 nullification in long branches.
3522 (output_lbranch): Add new argument to control extraction of delay
3524 (output_bb): Handle long branches.
3525 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3526 output_parallel_addb): Likewise.
3528 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3530 PR rtl-optimization/27073
3531 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3534 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3536 * tree.h (tree_memory_tag): Add old_used_alone.
3537 (SMT_OLD_USED_ALONE): New macro.
3538 * tree-ssa-alias.c (recalculate_used_alone): Stop
3539 marking things for renaming unnecessarily.
3541 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3543 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3544 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3545 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3546 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3547 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3548 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3549 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3550 spelling convensions.
3551 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3552 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3553 typos. Follow spelling conventions.
3555 2006-04-07 DJ Delorie <dj@redhat.com>
3557 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3558 passed on the stack.
3559 (m32c_init_cumulative_args): When a function returns a structure,
3560 always pass the pointer to that return area on the stack.
3561 (m32c_function_arg_advance): Don't increment the parameter number
3562 if we're processing the returned structure pointer.
3563 (pushm_info): Reverse order of registers.
3565 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3567 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3568 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3569 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3570 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3572 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3573 chrec_fold_multiply): Same.
3574 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3575 force_expr_to_var_cost): Same.
3576 * tree-mudflap.c (mf_xform_derefs_1): Same.
3577 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3579 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3581 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3582 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3585 2006-04-07 Jan Hubicka <jh@suse.cz>
3587 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3589 2006-04-07 Richard Guenther <rguenther@suse.de>
3591 PR tree-optimization/26135
3592 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3593 loads for store copy-prop.
3594 (copy_prop_visit_stmt): Likewise.
3596 2006-04-05 Robert Millan <robertmh@gnu.org>
3598 * config/i386/linux.h: Add a comment to mark macros that are
3599 being overriden in config/k*bsd-gnu.h.
3600 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3602 * config/knetbsd-gnu.h: Ditto.
3604 2006-04-06 Jan Hubicka <jh@suse.cz>
3608 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3611 2006-04-06 Mike Stump <mrs@apple.com>
3613 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3614 for HAVE_nonlocal_goto to be consistent.
3615 (expand_builtin_nonlocal_goto): Likewise.
3616 (expand_builtin_strcmp): Use #ifdef instead of #if
3617 for HAVE_cmpstrnsi to be consistent.
3619 2006-04-05 DJ Delorie <dj@redhat.com>
3621 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3624 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3626 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3627 got-relative addressing for anything but SImode.
3629 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3630 even if the calling function doesn't modify them.
3632 2006-04-05 Richard Guenther <rguenther@suse.de>
3634 PR tree-optimization/26919
3635 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3636 to cgraph_estimate_size_after_inlining.
3638 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3640 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3642 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3644 PR tree-optimization/26996
3645 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3646 VECTOR_TYPE variables.
3648 2006-04-05 Richard Guenther <rguenther@suse.de>
3650 PR tree-optimization/26763
3651 * fold-const.c (fold_comparison): Move folding of
3652 PTR + CST CMP PTR + CST ...
3653 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3655 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3657 * doc/install.texi (Prerequisites): Refine some wording on
3658 bootstrapping and ksh.
3659 Move the version numbers of DejaGnu here from the testing section
3660 and fix casing of names.
3661 Fix markup and clarify wording for autogen requirements.
3662 Refer to GCJ instead of just java.
3663 Refer to SVN instead of CVS.
3664 Describe diffutils as useful instead of necessary.
3665 (Downloading the source): Refer to SVN instead of CVS.
3666 Adjust a link to our web site accordingly.
3667 (Configuration): Fix casing of Bison.
3668 (Building): Refer to SVN instead of CVS.
3669 Fix a sentence on the use of Bison and remove duplicate (and
3670 incorrect) version number of Bison requirement.
3671 Remove one redundant list of packages needed for building.
3672 (Specific): Avoid reference to CVS.
3674 2006-04-04 Eric Christopher <echristo@apple.com>
3676 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3677 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3678 (rs6000_handle_struct_attribute): New.
3679 (rs6000_ms_bitfield_layout_p): Ditto.
3681 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3683 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3684 NULL for dso parameter to atexit_common.
3686 2006-04-04 Eric Christopher <echristo@apple.com>
3688 * config/i386/i386.c (machopic_output_stub): Output \t
3689 between instructions and operands.
3691 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3693 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3694 satisfies_constraint_[IL] to explicit tests on value.
3696 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3698 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3699 set_nb_iterations_in_loop): Use build_int_cst instead of
3701 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3702 build_int_cst instead of convert.
3704 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3706 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3707 new value 2 for incoming.
3708 * function.c (expand_function_start): Call struct_value_rtx
3710 * config/sparc/sparc.md: Comment updated_return.
3711 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3712 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3713 struct return if sparc_std_struct_return and incoming is 2.
3714 (print_operand): Do not adjust return if
3715 sparc_std_struct_return.
3717 2006-04-04 Roger Sayle <roger@eyesopen.com>
3719 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3720 convert in the middle-end.
3721 * expr.c (store_expr, store_constructor, get_inner_reference,
3722 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3724 * tree.c (build_range_type): Likewise.
3726 2006-04-04 Tom Tromey <tromey@redhat.com>
3728 * doc/install.texi (Prerequisites): Mention jar.
3730 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3732 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3735 2006-04-04 Matthias Klose <doko@debian.org>
3737 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3738 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3741 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3743 * doc/extend.texi (Function Attributes): Rewrite visibility
3744 attribute documentation.
3745 * doc/invoke.texi (C++ Dialect Options): Rewrite
3746 -fvisibility-inlines-hidden documentation to describe something
3747 entirely different, although in practise compatible.
3748 (Code Gen Options): Warn about system headers in -fvisibility=
3751 * doc/extend.texi (Other Builtins): Document that
3752 __builtin_nan is a compile-time constant only when its argument
3755 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3757 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3758 trying to remove TRUNCATE check if all bits outside the new mode
3759 are identical to the sign bit.
3761 2006-04-03 Jeff Law <law@redhat.com>
3763 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3764 and operand scanning in some common cases.
3766 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3767 Dale Johannesen <dalej@apple.com>
3770 * regclass.c (struct reg_pref): Update documentation.
3771 (regclass): Set prefclass to NO_REGS if memory is the best option.
3772 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3773 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3774 into account. For non-registers, equate an empty preferred
3775 reload class to a `!' in the constraint; move the if clause to
3776 do so after those that reject the insn.
3777 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3779 (find_dummy_reload): Likewise.
3780 * doc/tm.texi (Register Classes): Document what it means
3781 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3782 * config/i386/i386.c (ix86_preferred_reload_class): Force
3783 using SSE registers (and return NO_REGS for floating-point
3784 constants) if math is done with SSE.
3785 (ix86_preferred_output_reload_class): New.
3786 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3787 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3788 * config/i386/i386.md: Remove # register preferences.
3790 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3793 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3794 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3795 the type of nb_iter.
3796 (instantiate_parameters_1): Convert the operands before calling
3797 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3798 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3800 2006-04-02 Roger Sayle <roger@eyesopen.com>
3802 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3803 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3805 * dojump.c (do_jump): Likewise.
3806 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3807 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3808 gimplify_boolean_expr): Likewise.
3809 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3810 * varasm.c (array_size_for_constructor): Likewise.
3811 * tree-object-size.c (compute_object_offset): Likewise.
3813 2006-04-02 Roger Sayle <roger@eyesopen.com>
3816 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3817 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3819 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3821 PR tree-optimization/26939
3822 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3824 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3826 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3827 at_stmt. Convert the type of operands before calling
3828 build_polynomial_chrec.
3829 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3831 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3832 (instantiate_parameters_1): Convert the type of operands before calling
3833 build_polynomial_chrec.
3834 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3835 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3836 reset_evolution_in_loop): Insert asserts to check the types of the
3838 (chrec_type): Moved...
3839 (eq_evolutions_p): Use operand_equal_p.
3840 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3841 the types of the operands.
3842 (chrec_type): ...here.
3843 * tree-data-ref.c (create_data_ref): Convert the operands before
3844 calling chrec_replace_initial_condition.
3845 (same_access_functions, analyze_subscript_affine_affine,
3846 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3847 (compute_subscript_distance, analyze_ziv_subscript,
3848 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3849 analyze_miv_subscript): Convert the operands before calling
3850 chrec_fold_minus or chrec_fold_plus.
3852 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3854 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3855 the dependence_relations vector.
3856 (compute_data_dependences_for_loop): Adjust call to
3857 compute_all_dependences.
3859 2006-04-01 Roger Sayle <roger@eyesopen.com>
3860 Richard Henderson <rth@redhat.com>
3862 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3863 gimple_boolify on the condition before calling gimplify_expr.
3865 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3867 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3868 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3869 the frame size. Update to use the new macros.
3870 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3871 * config/xtensa/ieee754-df.S: Likewise.
3873 2006-03-31 Richard Henderson <rth@redhat.com>
3875 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3876 (make_edges): ... here. Control fallthru creation with a local
3877 variable. Do not play with fake edges.
3878 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3879 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3882 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3884 * dwarf2.h (DW64_CIE_ID): Define.
3885 * dwarf2out.c (DWARF_CIE_ID): Define.
3886 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3887 length header. Use DWARF_CIE_ID.
3888 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3889 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3891 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3893 * config/sh/linux-atomic.asm: New file.
3894 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3896 2006-03-31 DJ Delorie <dj@redhat.com>
3898 * config/m32c/cond.md: Set condition flags properly throughout.
3899 * config/m32c/minmax.md: Likewise.
3900 * config/m32c/prologue.md: Likewise.
3901 * config/m32c/bitops.md: Likewise.
3902 * config/m32c/muldiv.md: Likewise.
3903 * config/m32c/mov.md: Likewise.
3904 * config/m32c/addsub.md: Likewise.
3905 * config/m32c/m32c.md: Likewise.
3906 * config/m32c/jump.md: Likewise.
3907 * config/m32c/shift.md: Likewise.
3909 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3910 conditionally output the pattern for this.
3911 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3912 (m32c_compare_redundant): New.
3913 (m32c_output_compare): New.
3914 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3916 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3917 dest, not src. Allow other 4-byte modes.
3919 2006-03-30 Denis Chertykov <denisc@overta.ru>
3921 * doc/md.texi: Refer to avr/constraints.md instead of
3924 2006-03-30 Roger Sayle <roger@eyesopen.com>
3926 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3927 signed vs. unsigned comparison failures on some hosts.
3929 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3932 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3933 change to FLOAT_REGS.
3935 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3936 (rs6000_override_options): Use it.
3937 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3938 only for -mabi=spe/no-spe and -mabi=altivec.
3940 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3942 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3945 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3947 * Makefile.in: Rename docdir to gcc_docdir.
3949 2006-03-30 Roger Sayle <roger@eyesopen.com>
3952 * expr.c (emit_group_store): Optimize group stores into a pseudo
3953 register by using a paradoxical subreg to initialize the destination
3954 if the first or last member of the group specifies a "low part".
3956 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3959 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3960 * target.h (struct gcc_target.speculate_insn): Change type of the
3961 second parameter to 'int'.
3962 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3963 the second operand of the DEPS_LIST.
3964 (copy_DEPS_LIST_list): Update reference to the second operand of the
3966 * rtl.h (alloc_DEPS_LIST): Update signature.
3967 * sched-int.h (ds_t): Change typedef to 'int'.
3968 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3970 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3972 * haifa-sched.c (try_ready): Change condition to restore
3973 non-speculative pattern of the instruction.
3974 (process_insn_depend_be_in_spec): Code to keep probability of the
3975 speculative dependence non-decreasing.
3977 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3979 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3980 (single_move_for_movmem): ... this. Also change all uses.
3981 (bfin_expand_strmov): Renamed to...
3982 (bfin_expand_movmem): ... this. Also change all uses.
3983 * config/bfin/bfin.md (movstrsi): Renamed to...
3984 (movstrsi): ...this.
3986 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3988 PR tree-optimization/26830
3990 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3991 (copy_prop_visit_stmt): Remove write-only variable ann.
3992 (init_copy_prop): Check variable loop depth here. Do not simulate
3993 memory-tag and virtual operand PHIs except for store copy prop.
3995 2006-03-30 Richard Guenther <rguenther@suse.de>
3997 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3998 variants with double arguments.
4000 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4002 * genpreds.c (write_tm_constrs_h): Delete variable p.
4003 * genconditions.c (write_header): Add tm-constrs.h to included
4005 * genpeep.c (main): Add toplev.h to included headers.
4006 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4007 (build/genpeep.o): Add toplev.h dependency.
4008 * config/rs6000/constraints.md: Add "W" constraint.
4010 2006-03-29 Roger Sayle <roger@eyesopen.com>
4012 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4013 sizes by correctly testing whether the size fits a host integer.
4014 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4015 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4016 SImode range for the default sizetype and bitsizetype.
4018 2006-03-29 Roger Sayle <roger@eyesopen.com>
4020 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4021 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4022 quickly if the argument is already of the correct type.
4023 Call fold_build1 instead of build1. Tidy up blank lines.
4025 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4027 * genemit.c (main): Add tm-constrs.h to included headers.
4028 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4029 * genpeep.c (main): Add tm-constrs.h to included headers.
4030 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4031 (write_tm_constrs_h): this and write complete file.
4032 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4033 (write_insn_preds_c): Add tm-constrs.h to included headers.
4034 (gen_constrs): New variable.
4035 (parse_option): Parse "-c".
4036 (main): Invoke write_tm_constrs_h.
4037 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4038 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4039 (object_out_file): Add tm-constrs.h dependency.
4040 (insn-emit.o): Same.
4041 (insn-output.o): Same.
4042 (insn-peep.o): Same.
4043 (insn-preds.o): Same.
4044 (insn-recog.o): Same.
4045 (tm-constsr.h): New target.
4046 (s-constrs-h): New target.
4048 * config/rs6000/constraints.md: New file.
4049 * config/rs6000/rs6000.c: Include tm-constrs.h.
4050 (num_insn_constant_wide): Convert to satisfies_constraint.
4051 (rs6000_rtx_costs): Convert to satisfies_constraint.
4052 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4053 (CONST_OK_FOR_LETTER_P): Delete.
4054 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4055 (EXTRA_CONSTRAINT): Delete.
4056 (EXTRA_MEMORY_CONSTRAINT): Delete.
4057 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4058 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4059 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4060 satisfies_constraint.
4062 * config/i386/i386.c: Include tm-constrs.h.
4064 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4066 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4067 * tree-data-ref.c (find_data_references_in_loop,
4068 compute_data_dependences_for_loop): Use pointers to VEC.
4069 (analyze_all_data_dependences): Adjust calls.
4070 * tree-data-ref.h (find_data_references_in_loop,
4071 compute_data_dependences_for_loop): Adjust declarations.
4072 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4073 compute_data_dependences_for_loop.
4075 2006-03-29 Paul Brook <paul@codesourcery.com>
4077 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4080 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4082 PR tree-optimization/26859
4083 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4085 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4086 for the step after fold_convert.
4088 2006-03-29 Paul Brook <paul@codesourcery.com>
4090 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4091 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4093 2006-03-29 Paul Brook <paul@codesourcery.com>
4096 * targhooks.c (default_narrow_bitfield): New fuction.
4097 * targhooks.h (default_narrow_bitfield): add prototype.
4098 * target.h (gcc_target): Add narrow_volatile_bitfield.
4099 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4100 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4101 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4102 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4104 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4106 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4108 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4109 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4110 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4111 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4112 (s390_function_arg_float): Allow SDmode and DDmode values to be
4113 passed in floating point registers.
4114 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4115 check with SCALAR_FLOAT_MODE_P.
4116 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4118 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4120 PR tree-optimization/25985
4121 * tree-ssa-loop-niter.c (number_of_iterations_le,
4122 number_of_iterations_ne): Make comments more precise.
4123 (number_of_iterations_cond): Add only_exit argument. Use the
4124 fact that signed variables do not overflow only when only_exit
4126 (loop_only_exit_p): New.
4127 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4128 number_of_iterations_cond.
4130 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4132 PR tree-optimization/26643
4133 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4136 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4138 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4139 (divsi3_i4_int): Likewise.
4141 2006-03-28 Roger Sayle <roger@eyesopen.com>
4143 * expr.c (emit_group_store): Only create a new pseudo reg if the
4144 quantity it needs to hold isn't already a suitable pseudo.
4146 2006-03-28 Jeff Law <law@redhat.com>
4148 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4149 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4151 2006-03-28 Roger Sayle <roger@eyesopen.com>
4153 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4154 the equivalent ~X & Y, and the symmetry related transformations.
4155 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4156 ~X & Y, and symmetry related transforms.
4158 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4160 Revert my 2006-03-27 patches.
4162 2006-03-28 Roger Sayle <roger@eyesopen.com>
4164 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4165 ~(T1)X, when T1 and T2 are integer types of the same precision
4166 and (T2)X isn't an extension.
4168 2006-03-28 Jeff Law <law@redhat.com>
4170 PR tree-optimization/26796
4171 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4172 need EH edge cleanups rather than purging them immediately.
4173 (eliminate_degenerate_phis): Handle queued EH cleanups.
4175 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4177 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4180 2006-03-27 Roger Sayle <roger@eyesopen.com>
4183 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4184 cast BIT_NOT_EXPR operand to the correct type.
4186 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4188 * tree-loop-linear.c: Don't include varray.h.
4189 (gather_interchange_stats, try_interchange_loops,
4190 linear_transform_loops): Use VEC instead of VARRAY.
4191 * lambda-mat.c: Don't include varray.h.
4192 * tree-chrec.c: Same.
4193 * lambda-trans.c: Same.
4194 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4195 VEC instead of VARRAY.
4196 * tree-vectorizer.h: Idem.
4197 * tree-data-ref.c (dump_data_references,
4198 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4199 initialize_data_dependence_relation, finalize_ddr_dependent,
4200 compute_all_dependences, find_data_references_in_loop,
4201 compute_data_dependences_for_loop, analyze_all_data_dependences,
4202 free_dependence_relation, free_dependence_relations,
4203 free_data_refs): Idem.
4204 * tree-data-ref.h (data_reference_p, subscript_p): New.
4205 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4206 VEC instead of VARRAY.
4207 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4208 (find_data_references_in_loop, compute_data_dependences_for_loop,
4209 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4210 dump_data_dependence_relations, free_dependence_relations,
4211 free_data_refs): Adjust declaration.
4212 (lambda_transform_legal_p): Move declaration here...
4213 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4214 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4215 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4216 vect_analyze_data_refs): Use VEC instead of VARRAY.
4217 * lambda.h (lambda_transform_legal_p): ...from here.
4218 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4219 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4220 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4221 tree-chrec.o): Don't depend on VARRAY_H.
4223 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4225 * rtl.def (Copyright): Update date.
4226 (DEPS_LIST): Change type of the second operand to 'int'.
4227 * target.h (Copyright): Update date.
4228 (struct gcc_target.speculate_insn): Change type of the second parameter
4230 * lists.c (Copyright): Update date.
4231 (alloc_DEPS_LIST): Change signature. Update reference to the second
4232 operand of the DEPS_LIST.
4233 (copy_DEPS_LIST_list): Update reference to the second operand of the
4235 * rtl.h (Copyright): Update date.
4236 (alloc_DEPS_LIST): Update signature.
4237 * sched-int.h (Copyright): Update date.
4238 (ds_t): Change typedef to 'int'.
4239 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4241 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4243 * haifa-sched.c (Copyright): Update date.
4244 (try_ready): Change condition to restore non-speculative pattern
4246 (process_insn_depend_be_in_spec): Code to keep probability of the
4247 speculative dependence non-decreasing.
4249 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4251 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4252 shut up the compiler.
4254 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4256 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4257 to use lib prefix for target.
4258 ($(T)libic_invalidate_array_4-200.a): Likewise.
4259 ($(T)libic_invalidate_array_4a.a): Likewise.
4261 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4262 J"orn Rennecke <joern.rennecke@st.com>
4264 * superh.opt: New file.
4265 * sh.c (boardtype, osruntime): Remove.
4266 * superh.h (SUBTARGET_OPTIONS): Remove.
4267 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4269 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4270 arguments with ^ and/or [].
4272 * config.gcc (sh-*-*): Add quoting to account for quirk of
4274 Replace == with = in enable_incomplete_targets test.
4276 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4277 with MASK_LITTLE_ENDIAN.
4279 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4280 * config/sh/sh.opt: Added to some comments.
4281 * config/sh/superh.h: Removed some chaff.
4283 * config/sh/sh.opt: Add m4-[1234]00* options.
4284 * config/sh/sh.c (sh_handle_option): Likewise.
4285 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4286 (ic_invalidate_array_4-100.o): New rule.
4287 ($(T)libic_invalidate_array_4-100.a): Likewise.
4288 (ic_invalidate_array_4-200.o): Likewise.
4289 ($(T)libic_invalidate_array_4-200.a): Likewise.
4290 (ic_invalidate_array_4a.o): Likewise.
4291 ($(T)libic_invalidate_array_4a.a): Likewise.
4292 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4293 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4295 * config/sh/crt1.asm: Merged in profiling code.
4296 * config/sh/superh.h (STARTFILE_SPEC): Override.
4297 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4298 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4299 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4301 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4302 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4303 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4305 * sh.opt (mpretend-cmove): New option.
4306 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4307 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4308 (movsicc): Add TARGET_PRETEND_CMOVE code.
4310 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4312 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4313 s390_class_max_nregs): New function prototypes.
4314 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4315 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4316 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4317 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4319 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4321 * dwarf2out.c (add_location_or_const_value_attribute): Call
4322 tree_add_const_value_attribute if nothing else works.
4323 (reference_to_unused): New.
4324 (rtl_for_decl_init): Use reference_to_unused to decide whether
4325 to output an initializer.
4327 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4330 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4331 peephole removing spe frob_di_df_2.
4333 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4335 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4336 (subscript_dependence_tester_1): Declared.
4337 (print_dir_vectors, print_dist_vectors): New.
4338 (debug_data_dependence_relation): New.
4339 (dump_data_dependence_relation): Print more details.
4340 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4341 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4342 (save_dist_v, save_dir_v, add_outer_distances,
4343 build_classic_dist_vector_1): New.
4344 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4345 Don't test for lambda_vector_lexico_pos.
4346 (same_access_functions, add_multivariate_self_dist,
4347 add_other_self_distances, dir_from_dist): New.
4348 (build_classic_dir_vector): Replace implementation almost identical to
4349 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4351 (subscript_dependence_tester_1): New.
4352 (subscript_dependence_tester): Handle the lexicographically negative
4353 distance vectors by recomputing the dependence relation.
4354 (compute_affine_dependence): Remove parameter loop_nest_depth.
4355 (compute_self_dependence): Don't call compute_subscript_distance.
4356 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4357 Add a parameter for the loop_nest.
4358 (find_loop_nest_1, find_loop_nest): New.
4359 (compute_data_dependences_for_loop): Compute the loop nest, and give
4360 up if the nest is not well formed.
4361 * tree-data-ref.h (loop_p): New.
4362 (struct data_dependence_relation): Replace size_vect field with
4363 loop_nest, a vec of loops.
4364 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4365 (DDR_LOOP_NEST): New.
4366 (print_dir_vectors, print_dist_vectors,
4367 debug_data_dependence_relation): Declared.
4368 (index_in_loop_nest): New.
4369 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4370 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4373 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4375 * simplify-rtx.c (simplify_relational_operation): Call
4376 simplify_relational_operation_1 even if mode is VOIDmode.
4378 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4380 PR tree-optimization/26804
4381 * tree.h (DECL_CALL_CLOBBERED): New macro.
4382 (tree_decl_common): Add call_clobbered_flag.
4383 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4384 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4385 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4386 (mark_non_addressable): Ditto.
4387 * tree-ssa.c (verify_call_clobbered): New function.
4388 (verify_alias_info): Use it.
4389 * tree-pass.h (pass_reset_cc_flags): New prototype.
4390 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4391 (reset_cc_flags): New function.
4392 * passes.c (init_optimization_passes): Call reset_cc_flags after
4393 initializing referenced_vars.
4395 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4396 Roger Sayle <roger@eyesopen.com>
4399 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4400 to 1.0 for non-real operands. Implement A / A optimization for
4403 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4405 * config/i386/i386.c (size_cost): Correct the comment for
4406 cost of storing fp registers.
4407 (i386_cost): Likewise.
4408 (i486_cost): Likewise.
4409 (pentium_cost): Likewise.
4410 (pentiumpro_cost): Likewise.
4411 (k6_cost): Likewise.
4412 (athlon_cost): Likewise.
4413 (k8_cost): Likewise.
4414 (pentium4_cost): Likewise.
4415 (nocona_cost): Likewise.
4416 (generic64_cost): Likewise.
4417 (generic32_cost): Likewise.
4419 2006-03-24 Denis Chertykov <denisc@overta.ru>
4421 * config/avr/avr-protos.h (extra_constraint): Delete.
4422 (extra_constraint_Q): New declaration.
4423 * config/avr/constraints.md: New file.
4424 * config/avr/avr.md: Include it.
4425 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4426 (TMP_REGNO, ZERO_REGNO): Likewise.
4427 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4428 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4429 (extra_constraint): Delete.
4430 (extra_constraint_Q): Test for memory constraint 'Q'.
4431 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4432 (REG_CLASS_FROM_LETTER): Delete.
4433 (CONST_OK_FOR_LETTER_P): Delete.
4434 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4435 (EXTRA_CONSTRAINT): Delete.
4436 (TMP_REGNO): Delete.
4437 (ZERO_REGNO): Delete.
4439 2006-03-24 Jeff Law <law@redhat.com>
4441 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4442 directly. Call mark_new_vars_to_rename slightly earlier.
4444 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4446 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4448 (gen_compile_unit_die): Use new language types for Objective-C and
4450 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4451 DW_LANG_C_plus_plus.
4454 * config/t-darwin (crt3.o): Work around bug 26840.
4455 * config/darwin-crt3.c: Rewrite.
4456 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4458 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4460 * doc/invoke.texi: Document -femit-class-debug-always
4461 * common.opt: Add -femit-class-debug-always.
4463 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4465 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4466 index and base register.
4467 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4468 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4469 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4470 REGNO_OK_FOR_INDEX_P.
4471 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4473 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4474 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4475 REG_OK_FOR_BASE_P): Definitions removed.
4477 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4480 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4481 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4482 set yet or weren't marked as local yet.
4484 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4486 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4489 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4491 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4492 (rs6000_legitimate_small_data_p): Delete.
4493 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4494 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4495 and make static. Add forward declaration. Update uses.
4496 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4497 of offsettable_memref_p.
4498 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4499 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4501 2006-03-24 Jeff Law <law@redhat.com>
4503 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4504 around bug in immediate-use iterator.
4506 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4509 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4510 or __LITTLE_ENDIAN__.
4512 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4514 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4515 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4516 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4517 * config/sh/sh.opt (mdiv=): Amend description.
4518 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4519 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4520 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4521 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4522 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4523 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4524 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4525 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4526 TARGET_DIVIDE_CALL_FP.
4528 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4530 * haifa-sched.c (choose_ready): Fix type of the local variable.
4531 Move local variables. Add comment.
4532 (check_reg_live): Change signature. Make callable from debugger.
4533 * sched-int.h (check_reg_live): Update signature.
4534 * sched-ebb.c (check_reg_live): Update parameters.
4535 * sched-rgn.c (check_reg_live): Ditto.
4536 (region_head_or_leaf_p): Check pointer before dereferencing.
4537 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4538 before reload on optimization levels below 1.
4540 2006-03-23 Richard Henderson <rth@redhat.com>
4542 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4546 * config/alpha/predicates.md (local_symbolic_operand): Reject
4549 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4552 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4553 expressions which have overflowed constants.
4555 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4557 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4559 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4561 * cfgloopmanip.c (create_loop_notes): Removed.
4562 * final.c (final_scan_insn): Do not handle loop notes.
4563 * jump.c (squeeze_notes): Ditto.
4564 * cfglayout.c (skip_insns_after_block,
4565 duplicate_insn_chain): Ditto.
4566 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4568 * cfgloop.h (create_loop_notes): Declaration removed.
4570 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4572 * varasm.c (output_constant_pool): Restore fnname and fndecl
4574 (assemble_start_function): Adjust call accordingly.
4575 (assemble_end_function): Likewise.
4577 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4580 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4583 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4585 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4588 * system.h (ICE_EXIT_CODE): New macro.
4589 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4590 (diagnostic_action_after_output): Likewise.
4591 * gcc.c (fatal_ice): New function.
4592 (execute): Use it instead of fatal.
4593 (fancy_abort): Likewise.
4594 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4596 2006-03-22 Jeff Law <law@redhat.com>
4598 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4599 iv_analyze_result returning false.
4601 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4603 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4605 2006-03-22 Richard Henderson <rth@redhat.com>
4608 * except.c (duplicate_eh_regions_0): New.
4609 (duplicate_eh_region_1): Duplicate the children of the node as
4610 well as the node itself. Link them up properly.
4611 (duplicate_eh_region_2): Merge into ...
4612 (duplicate_eh_regions): ... here. Take copy_region argument, and
4613 copy only a sub-tree if asked. Simplify copying and fixup.
4614 (eh_region_outer_p): New.
4615 * except.h (duplicate_eh_regions): Update decl.
4616 (eh_region_outer_p): Declare.
4617 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4618 (lower_omp_master): Likewise.
4619 (lower_omp_ordered): Likewise.
4620 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4621 (move_stmt_r): Use it to remap labels. Handle recursion vs
4622 remap_decls_p properly.
4623 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4624 (find_outermost_region_in_block): New.
4625 (new_label_mapper): New.
4626 (move_sese_region_to_fn): Copy eh information to the new function
4628 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4630 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4633 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4635 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4636 into shared libraries.
4638 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4640 * doc/md.texi: Refer to i386/constraints.md instead of
4642 * config/i386/constraints.md: New file, extracted from...
4643 * config/i386/predicates.md: ...here.
4644 * config/i386/i386.md: Include constraints.md.
4646 2006-03-21 Jason Merrill <jason@redhat.com>
4648 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4651 * expr.c (init_block_move_fn): Force default visibility.
4652 (init_block_clear_fn): Likewise.
4653 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4654 * targhooks.c (default_external_stack_protect_fail): Likewise.
4656 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4658 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4659 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4660 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4661 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4662 (loadgp): Use mips_current_loadgp_style.
4663 (loadgp_noshared): New pattern.
4664 (sibcall_internal): Use MIPS_CALL.
4665 (sibcall_value_internal): Likewise.
4666 (sibcall_value_multiple_internal): Likewise.
4667 (call_internal): Likewise.
4668 (call_value_internal): Likewise.
4669 (call_value_multiple_internal): Likewise.
4670 (call_split): Use MIPS_CALL and add an 'S' constraint.
4671 (call_value_split): Likewise.
4672 (call_value_multiple_split): Likewise.
4673 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4674 (-mshared): New option.
4675 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4676 (mips_current_loadgp_style): Declare.
4677 * config/mips/mips.c (mips_classify_symbol): Avoid using
4678 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4679 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4680 TARGET_ABSOLUTE_ABICALLS.
4681 (override_options): Adjust comments. Improve the warning that is
4682 issued when -mabicalls and -G are used together.
4683 (mips_file_start): Remove comment.
4684 (mips_current_loadgp_style): New function.
4685 (mips_gnu_local_gp): New variable.
4686 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4688 (mips_output_function_prologue): Use mips_current_laodgp_style.
4689 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4690 the cprestore instruction.
4691 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4692 live for TARGET_ABSOLUTE_ABICALLS.
4693 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4694 (ASM_SPEC): Pass down -mshared and -mno-shared.
4695 (MIPS_CALL): New macro.
4696 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4698 * doc/invoke.texi (-mabicalls): Update documentation.
4699 (-mshared): Document.
4701 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4703 * config/ia64/unwind-hpux.c: New file.
4704 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4706 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4709 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4711 2006-03-21 Jeff Law <law@redhat.com>
4713 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4714 type conversions of a VR_VARYING source to a wider type.
4716 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4718 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4719 tm_file on Solaris 10 and later.
4720 (sparc64-*-solaris2*): Likewise.
4721 (sparc-*-solaris2*): Likewise.
4722 * config/sol26.h: Rename to config/sol2-6.h.
4723 * config/sol2-10.h: New file.
4725 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4728 * tree-ssa-pre.c (create_component_ref_by_pieces):
4731 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4734 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4735 return it immediately.
4737 2006-03-21 Michael Matz <matz@suse.de>
4739 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4741 (remove_arc, add_arc): Update num_out_arcs member.
4742 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4744 (cache_presence): New function.
4745 (compare_states_for_equiv): New function.
4746 (state_is_differed): Don't take number of outargs, adjust callers.
4747 Use new invariant for speeding up.
4748 (init_equiv_class): Create initial classes based on sorted
4750 (partition_equiv_class): Don't track out_arcs_num.
4751 (evaluate_equiv_classes): Call cache_presence on all states and
4754 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4756 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4757 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4758 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4759 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4761 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4762 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4763 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4764 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4765 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4767 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4768 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4769 (REGNO_REG_CLASS): ARGP is in PREGS.
4770 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4772 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4773 to deal with those addresses.
4774 * addresses.h: New file.
4775 * caller-save.c: Include "addresses.h".
4776 (init_caller_save): Use new base_reg_class function.
4777 * rtl-factoring.c: Include "addresses.h".
4778 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4779 * recog.c: Include "addresses.h".
4780 (preprocess_constraints): Use new base_reg_class function.
4781 * regrename.c: Include "addresses.h".
4782 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4783 functions. Keep track of a new var INDEX_CODE to compute valid
4785 (replace_oldest_value_addr): Likewise.
4786 (replace_oldest_value_mem): Use base_reg_class.
4787 * reload.c: Include "addresses.h".
4788 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4789 (find_reloads): Use new base_reg_class function.
4790 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4791 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4792 all callers and prototype changed.
4793 * reload1.c: Include "addresses.h".
4794 (maybe_fix_stack_asms): Use base_reg_class.
4795 * regclass.c: Include "addresses.h".
4796 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4797 (init_reg_autoinc): Use new base_reg_class function.
4798 (record_reg_classes): Likewise.
4799 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4800 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4801 Use new args to compute necessary class.
4803 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4804 regrename.o, rtl-factoring.o): Update dependencies.
4805 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4806 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4807 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4808 REG_OK_FOR_INDEX_P): Delete documentation.
4810 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4812 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4813 from V7 to V9 for Solaris 7 and above.
4815 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4817 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4818 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4819 argument pointers may not alias any other storage.
4820 * common.opt: Define option -fargument-noalias-anything.
4821 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4822 alias semantics is specified by flag_argument_noalias > 2.
4824 2006-03-20 Jeff Law <law@redhat.com>
4826 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4827 (pass_phi_only_cprop): Declare.
4828 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4830 * tree-ssa-dom.c (degenerate_phi_result): New function.
4831 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4832 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4833 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4834 (eliminate_degenerate_phis): Likewise.
4835 (pass_phi_only_cprop): New pass descriptor.
4836 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4837 support code. Callers updated.
4838 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4839 (store_copy_prop): Likewise.
4840 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4842 2006-03-20 Jason Merrill <jason@redhat.com>
4845 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4846 (push_visibility, pop_visibility): Likewise.
4847 * c-pragma.h: Declare them.
4849 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4851 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4853 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4854 parameter and use get_ebb_head_tail.
4855 (sh_md_init_global): Adjust uses of find_regmode_weight.
4857 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4859 * function.h (struct function) <x_tail_recursion_reentry>:
4860 Rename to x_stack_check_probe_note.
4861 (tail_recursion_reentry): Rename to stack_check_probe_note.
4862 * function.c: Replace tail_recursion_reentry with
4863 stack_check_probe_note everywhere.
4864 (expand_function_start): Only emit a note for
4865 stack_check_probe_note with -fstack-protect.
4866 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4868 * emit-rtl.c (remove_unnecessary_notes): Remove.
4869 (pass_remove_unnecessary_notes): Remove.
4870 * rtl.h (remove_unnecessary_notes): Remove prototype.
4871 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4872 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4873 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4875 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4878 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4879 (valid_in_set): Handle ARRAY_REF.
4880 Change "if min_variant or VH" to asserts.
4881 (create_component_ref_by_pieces): Handle ARRAY_REF.
4882 (create_expression_by_pieces): Likewise.
4883 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4885 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4887 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4888 is operand of switch, not str[0].
4890 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4892 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4893 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4895 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4897 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4898 end of insn_extra_address_constraint declaration.
4900 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4902 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4903 (no-sum-in-toc): Same.
4904 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4906 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4907 NO_FP_IN_TOC for -fPIC instead of mask.
4909 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4910 (BOOT_LDFLAGS): Delete.
4912 * config/rs6000/t-aix52: Same.
4914 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4915 (stmsi[345678]_power): New.
4917 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4919 * config/ia64/ia64.opt: Add empty line to end of file.
4921 2006-03-17 Richard Guenther <rguenther@suse.de>
4924 * builtins.c (get_pointer_alignment): For component style references
4925 adjust alignment to the component type alignment. Make sure
4926 to adjust alignment for component access of constants.
4928 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4930 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4933 2006-03-17 Paul Brook <paul@codesourcery.com>
4935 * doc/install.texi: Docuemnt --with-mode.
4936 * config.gcc: Add --with-mode for arm*-*-*.
4937 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4939 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4941 * sh.c (max_labelno_before_reorg): New variable.
4942 (sh_reorg): Initialize it.
4943 (find_barrier): Check max_labelno_before_reorg before using
4944 label_to_alignment. Take length of explicit alignment insns
4945 into account. When seeing a UNSPECV_CONST_END, return it.
4947 * sh.c (fixup_mova): Set mode of affected label to QImode.
4948 (untangle_mova): New function.
4949 (find_barrier): Use it. Check mode of label before decrementing
4951 (sh_reorg): Likewise.
4952 Set mode of all insns back to VOIDmode.
4954 * sh.c (MOVA_LABELREF): New macro.
4955 (mova_p, fixup_mova, sh_reorg): Use it.
4956 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4957 ADDR_DIFF_VEC matches mova.
4959 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4961 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4962 with ATTRIBUTE_UNUSED.
4964 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4966 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4967 pointer, instead of assuming it is possible to derive the
4968 correct args size from a call insn.
4970 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4972 * rtl.h (CONST_INT_P): Define.
4973 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4974 instead of GET_CODE(x) == CONST_INT.
4975 (vax_rtx_costs): Likewise.
4976 (vax_output_int_move): Likewise.
4977 (vax_output_int_add): Likewise.
4978 (legitimate_constant_address_p): Likewise.
4979 (index_term_p): Likewise.
4980 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4981 * config/vax/vax.md (and<mode>3): Likewise.
4982 (ashrsi3): Likewise.
4984 (movstricthi): Likewise.
4985 (movstrictqi): Likewise.
4986 (rotrsi3): Likewise.
4987 (five unnamed insns): Likewise.
4989 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4991 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4992 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4993 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4994 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4995 Pass to ASM_OUTPUT_DWARF_OFFSET.
4996 * dwarf2out.c (debug_frame_section): New.
4997 (output_call_frame_info): Use debug_frame_section. Pass it to
4998 dw2_asm_output_offset.
4999 (output_die): Pass appropriate section to dw2_asm_output_offset.
5000 (output_compilation_unit_header): Likewise.
5001 (output_pubnames): Likewise.
5002 (output_aranges): Likewise.
5003 (enum dw_val_class): Break dw_val_class_lbl_offset into
5004 dw_val_class_lineptr and dw_val_class_macptr.
5005 (add_AT_lbl_offset): Delete.
5006 (add_AT_lineptr): New.
5007 (add_AT_macptr): New.
5008 (AT_lbl): Expect a lineptr or macptr.
5009 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5010 (attr_checksum): Likewise.
5011 (same_dw_val_p): Likewise.
5012 (size_of_die): Likewise.
5013 (value_format): Likewise.
5014 (output_die): Likewise.
5015 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5017 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5018 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5019 * config/darwin-protos.h (darwin_file_start): New.
5020 (darwin_asm_output_dwarf_offset): New.
5021 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5022 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5024 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5025 if not EH section; simplify.
5026 (darwin_file_start): New.
5027 (darwin_asm_output_dwarf_offset): New.
5028 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5030 (DEBUG_INFO_SECTION): Likewise.
5031 (DEBUG_ABBREV_SECTION): Likewise.
5032 (DEBUG_ARANGES_SECTION): Likewise.
5033 (DEBUG_MACINFO_SECTION): Likewise.
5034 (DEBUG_LINE_SECTION): Likewise.
5035 (DEBUG_LOC_SECTION): Likewise.
5036 (DEBUG_PUBNAMES_SECTION): Likewise.
5037 (DEBUG_STR_SECTION): Likewise.
5038 (DEBUG_RANGES_SECTION): Likewise.
5039 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5040 (ASM_OUTPUT_DWARF_OFFSET): New.
5042 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5044 * config.gcc (tm_defines): Always add to previous value rather
5047 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5049 * config/mips/predicates.md (splittable_const_int_operand): New,
5050 split from move_operand.
5051 (splittable_symbolic_operand): New.
5052 (move_operand): Add commentary. Use splittable_const_int_operand.
5053 Inline mips_atomic_symbolic_constant_p.
5054 * config/mips/mips.md: Add combine splitters for handling moves
5055 of splittable_const_int_operands and splittable_symbolic_operands.
5056 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5057 (mips_split_symbol): Declare.
5058 (mips_move_integer): Declare.
5059 * config/mips/mips.c (mips_split_p): Make global.
5060 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5061 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5062 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5063 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5064 (mips_offset_within_object_p): Handle block symbols.
5065 (mips_atomic_symbolic_constant_p): Delete.
5066 (mips_cannot_force_const_mem): Return false for constants that
5067 mips_legitimize_move can handle.
5068 (mips_use_blocks_for_constant_p): New function.
5069 (mips_split_symbol): Make global.
5070 (mips_move_integer): Likewise. Add a temporary register argument.
5071 (mips_legitimize_const_move): Use splittable_const_int_operand and
5072 splittable_symbolic_operand.
5073 (mips_use_anchors_for_symbol_p): New function.
5074 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5075 (mips_split_p): Declare.
5077 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5079 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5080 (mips*-*-linux*): Likewise.
5082 2006-03-16 Roger Sayle <roger@eyesopen.com>
5083 Daniel Speyer <dspeyer@wam.umd.edu>
5086 * tree-dump.c (dump_real): New function.
5087 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5088 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5089 (tree-dump.o): Add $(REAL_H) to the dependencies.
5091 2006-03-16 Roger Sayle <roger@eyesopen.com>
5094 * real.c (real_from_string): If the mantissa is zero, don't bother
5095 parsing the exponent as the result should always be zero.
5097 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5099 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5101 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5103 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5104 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5105 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5106 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5107 ia64_sched_finish_global): New static functions to implement
5108 hooks from gcc_target.sched.
5109 (spec_check_no, max_uid, pending_data_specs): New static variables.
5110 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5111 ia64_spec_check_src_p): New static functions.
5112 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5113 (TARGET_SCHED_ADJUST_COST): Removed.
5114 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5115 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5116 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5117 TARGET_SCHED_GEN_CHECK,
5118 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5119 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5120 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5121 Fixed to handle speculation checks.
5122 (rtx_needs_barrier): Fixed to handle speculative loads and
5124 (ia64_variable_issue): Added code to count speculative loads and their
5126 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5128 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5130 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5132 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5133 (ia64_reorg): Reset stops_p to NULL after it is freed.
5134 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5135 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5136 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5138 (data_speculative, control_speculative, check_load): New attributes.
5139 (mov<mode>_advanced, mov<mode>_speculative,
5140 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5141 zero_extend<mode>di2_speculative,
5142 zero_extend<mode>di2_speculative_advanced): New patterns for
5143 data and control speculative loads.
5144 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5146 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5147 New pattern for data and control speculation checks.
5148 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5149 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5150 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5151 Auxiliary definitions for the patterns.
5152 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5153 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5155 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5157 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5158 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5159 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5160 New resource constraints.
5161 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5163 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5164 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5165 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5166 msched-in-control-spec, msched-ldc, msched-control-ldc,
5167 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5168 msched-prefer-non-control-spec-insns,
5169 msched-count-spec-in-critical-path): New flags to tune speculative
5171 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5172 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5173 msched-in-control-spec, msched-ldc, msched-control-ldc,
5174 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5175 msched-prefer-non-control-spec-insns,
5176 msched-count-spec-in-critical-path): Document new flags.
5178 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5180 * target.h (struct spec_info_def): New opaque declaration.
5181 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5182 speculate_insn, needs_block_p, gen_check,
5183 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5184 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5185 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5186 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5187 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5188 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5190 (TARGET_SCHED): Use new macros.
5191 * rtl.h (copy_DEPS_LIST_list): New prototype.
5192 * sched-int.h (struct sched_info): Change signature of new_ready field,
5193 adjust all initializations. New fields: add_remove_insn,
5194 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5195 region_head_or_leaf_p.
5196 (struct spec_info_def): New structure declaration.
5197 (spec_info_t): New typedef.
5198 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5199 recovery_block, orig_pat.
5200 (glat_start, glat_end): New variables declaraions.
5201 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5203 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5204 DETACH_LIFE_INFO, USE_GLAT.
5205 (enum SPEC_SCHED_FLAGS): New enumeration.
5206 (NOTE_NOTE_BB_P): New macro.
5207 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5208 attach_life_info, debug_spec_status, check_reg_live): New functions.
5209 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5210 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5212 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5213 * ddg.c (get_block_head_tail): Adjust all uses.
5214 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5215 (sms_sched_info): Initialize new fields.
5216 (contributes_to_priority): Removed.
5217 * haifa-sched.c (params.h): New include.
5218 (get_block_head_tail): Adjust all uses.
5219 (ISSUE_POINTS): New macro.
5220 (glat_start, glat_end): New global variables.
5221 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5222 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5223 old_last_basic_block, before_recovery, current_sched_info_var,
5224 rgn_n_insns, luid): New static variables.
5225 (insn_cost1): New function. Move logic from insn_cost to here.
5226 (find_insn_reg_weight1): New function. Move logic from
5227 find_insn_reg_weight to here.
5228 (reemit_notes, move_insn, max_issue): Change signature.
5229 (move_insn1): Removed.
5230 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5231 extend_bb): New static functions to support extension of scheduler's
5233 (generate_recovery_code, process_insn_depend_be_in_spec,
5234 begin_speculative_block, add_to_speculative_block,
5235 init_before_recovery, create_recovery_block, create_check_block_twin,
5236 fix_recovery_deps): New static functions to support
5237 generation of recovery code.
5238 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5239 restore_bb_notes, move_block_after_check, move_succs): New static
5240 functions to support ebb scheduling.
5241 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5242 functions to support handling of register live information.
5243 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5244 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5245 add_jump_dependencies): New static functions.
5246 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5247 consistancy checking.
5248 (debug_spec_status): New function to call from debugger.
5249 (priority): Added code to handle speculation checks.
5250 (rank_for_schedule): Added code to distinguish speculative instructions.
5251 (schedule_insn): Added code to handle speculation checks.
5252 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5253 Fixed to handle ebbs.
5254 (move_insn): Added code to handle ebb scheduling.
5255 (max_issue): Added code to use ISSUE_POINTS of instructions.
5256 (choose_ready): Added code to choose between speculative and
5257 non-speculative instructions.
5258 (schedule_block): Added code to handle ebb scheduling and scheduling of
5259 speculative instructions.
5260 (sched_init): Initialize new variables.
5261 (sched_finish): Free new variables. Print statistics.
5262 (try_ready): Added code to handle speculative instructions.
5263 * lists.c (copy_DEPS_LIST_list): New function.
5264 * sched-deps.c (extend_dependency_caches): New function. Move logic
5265 from create_dependency_caches to here.
5266 (get_dep_weak, ds_merge): Make global.
5267 * genattr.c (main): Code to output prototype for
5268 dfa_clear_single_insn_cache.
5269 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5270 (output_dfa_clean_insn_cache_func): Code to output
5271 dfa_clear_single_insn_cache function.
5272 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5274 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5276 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5277 New static variables.
5278 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5279 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5281 (ebb_sched_info): Initialize new fields.
5282 (get_block_head_tail): Adjust all uses.
5283 (compute_jump_reg_dependencies): Fixed to use glat_start.
5284 (schedule_ebb): Code to remove unreachable last block.
5285 (schedule_ebbs): Added code to update register live information.
5286 * sched-rgn.c (region_sched_info): Initialize new fields.
5287 (get_block_head_tail): Adjust all uses.
5288 (last_was_jump): Removed. Adjust users.
5289 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5290 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5291 Implement new hooks.
5292 (check_dead_notes1): New static function.
5293 (struct region): New fields: dont_calc_deps, has_real_ebb.
5294 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5295 (BB_TO_BLOCK): Fixed to handle EBBs.
5296 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5297 (ebb_head): New static variable.
5298 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5299 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5301 (compute_dom_prob_ps): New assertion.
5302 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5303 global_live_at_start.
5304 (init_ready_list): New assertions.
5305 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5306 (new_ready): Add support for BEGIN_CONTROL speculation.
5307 (schedule_insns): Fixed code that updates register live information
5309 (schedule_region): Fixed to handle EBBs.
5310 (init_regions): Use extend_regions and check_dead_notes1.
5311 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5312 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5313 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5314 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5315 TARGET_SCHED_GEN_CHECK,
5316 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5317 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5318 * doc/invoke.texi (max-sched-insn-conflict-delay,
5319 sched-spec-prob-cutoff): Document.
5321 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5323 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5324 inter_tick, queue_index.
5325 (struct sched_info): Change signature of init_ready_list field.
5326 Adjust all initializations.
5327 (RESOLVED_DEPS): New access macro.
5328 (ready_add): Remove prototype.
5329 (try_ready): Add prototype.
5330 * sched-rgn.c (init_ready_list): Use try_ready.
5331 (schedule_region): Initialize
5332 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5333 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5334 (init_ready_list): Use try_ready.
5335 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5336 * lists.c (remove_list_elem): Remove `static'.
5337 (remove_free_INSN_LIST_elem): New function.
5338 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5339 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5340 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5342 (readyp): New variable.
5343 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5344 change_queue_index, resolve_dep): New static functions.
5345 (try_ready): New function. Adjust callers in sched-rgn.c and
5346 sched-ebb.c to use it instead of ready_add.
5347 (clock_var): Move at the begining of file.
5348 (rank_for_schedule): Fix typo.
5349 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5350 (ready_lastpos): Enforce assertion.
5351 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5353 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5354 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5355 (queue_to_ready): Use free_INSN_LIST_list.
5356 (early_queue_to_ready): Fix typo.
5357 (schedule_block): Init readyp. Move init_ready_list call after the
5358 initialization of clock_var. Fix error in rejecting insn by
5359 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5360 that previously corrected INSN_TICKs. Add code for handling
5362 (set_priorities): Fix typo.
5363 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5364 Clarify comment and code that keeps current_sched_info->next_tail
5367 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5369 * sched-rgn.c (extend_rgns): New static function.
5370 (find_rgns): Use it.
5371 (gather_region_statistics, print_region_statistics): New static
5373 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5374 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5376 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5377 Andrey Belevantsev <abel@ispras.ru>
5379 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5380 * lists.c (unused_deps_list): New variable.
5381 (free_list): Add assertions to verify the proper distinguishing
5382 between INSN_LISTs and DEPS_LISTs.
5383 (find_list_elem, remove_list_elem, remove_list_node): New static
5385 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5386 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5387 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5388 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5390 (free_INSN_LIST_node): Likewise.
5391 * modulo-sched.c (current_sched_info): Initialize flags field.
5392 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5393 * rtl.def (DEPS_LIST): Define.
5394 * rtl.h: Declare new functions from lists.c.
5395 * sched-deps.c (spec_dependency_cache): New static variable.
5396 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5397 (add_dependence): Change return type to void. Move the logic to ...
5398 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5399 (delete_all_dependences): Add comment about forward_dependency_cache.
5400 Handle spec_dependency_cache. Handle DEPS_LISTs.
5401 (fixup_sched_groups): Clarify the change of priority of output
5402 and anti dependencies.
5403 (sched_analyze_2): Adjust add_dependence calls to create data
5404 speculative dependence.
5405 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5406 Adjust all callers. Handle DEPS_LISTS.
5407 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5408 presence of speculation.
5409 (init_dependency_caches, free_dependency_caches):
5410 Handle spec_dependency_cache.
5411 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5412 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5413 New static functions.
5414 (add_or_update_back_dep, add_or_update_back_forw_dep,
5415 add_back_forw_dep, delete_back_forw_dep): New functions.
5416 * sched-int.h (ds_t, dw_t): New typedefs.
5417 (struct sched_info): Add new field flags.
5418 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5419 Prototype new sched-deps.c functions.
5420 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5421 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5422 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5423 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5424 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5425 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5427 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5429 * sched-rgn.c (current_sched_info): Initialize flags field.
5430 (schedule_insns): Initialize current_sched_info before the sched_init
5432 * sched-ebb.c (current_sched_info): Initialize flags field.
5433 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5434 Call add_or_update_back_dep instead of add_dependence.
5435 Create control speculative dependencies.
5436 (schedule_insns): Initialize current_sched_info before the sched_init
5439 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5441 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5443 (sh_fallback_frame_state): Likewise.
5445 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5447 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5448 Do switch on default_use_cxa_atexit.
5449 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5450 * config/darwin-crt3.o: New.
5451 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5452 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5453 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5455 * config/rs6000/t-darwin: Move crt2.o building to here.
5456 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5457 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5460 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5462 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5463 from '! xxx' to '!xxx' for coding-style conformance.
5464 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5465 (EXTRA_CONSTRAINT): Likewise.
5466 * config/vax/vax.md (four unnamed insns): Likewise.
5468 2006-03-15 Paul Brook <paul@codesourcery.com>
5470 * config/arm/arm.c (minipool_pad): New.
5471 (add_minipool_forward_ref): Include pool alignment padding in address
5473 (push_minipool_fix): Set minipool_pad.
5474 (minipool_pad): Ditto.
5476 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5478 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5479 instead of GET_CODE() == MEM and REG_P() instead of
5481 (print_operand_address): Likewise.
5482 (vax_address_cost): Likewise.
5483 (vax_rtx_costs): Likewise.
5484 (vax_notice_update_cc): Likewise.
5485 (vax_output_int_add): Likewise.
5486 (INDEX_REGISTER_P): Likewise.
5487 (BASE_REGISTER_P): Likewise.
5488 (nonindexed_address_p): Likewise.
5489 (vax_mode_dependent_address_p): Likewise.
5490 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5491 (PRINT_OPERAND): Likewise.
5492 * config/vax/vax.md (ashlsi3): Likewise.
5493 (ashlsi3): Likewise.
5494 (some more unnamed insns): Likewise.
5496 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5498 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5499 iterator-style macro.
5500 (mark_control_dependent_edges_necessary): Update the use of
5501 EXECUTE_IF_CONTROL_DEPENDENT.
5503 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5505 * config/sh/predicates.md (cache_address_operand): Special.
5506 (ua_address_operand): Likewise.
5508 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5510 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5512 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5514 2006-03-15 Andreas Schwab <schwab@suse.de>
5516 * gensupport.c (identify_predicable_attribute): Don't free p_false
5517 when it is still in use.
5519 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5521 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5522 the default setting here.
5524 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5526 * tree-pass.h (pass_cfg): Remove.
5527 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5528 * passes.c (pass_cfg): Don't run it.
5530 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5532 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5533 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5535 (stack_regs_mentioned): Update the uses of
5536 stack_regs_mentioned_data. Don't access the array beyond its
5538 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5539 Don't include gt-reg-stack.h.
5541 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5542 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5544 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5547 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5550 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5552 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5554 2006-03-14 Richard Guenther <rguenther@suse.de>
5556 PR tree-optimization/26672
5557 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5560 2006-03-14 Richard Guenther <rguenther@suse.de>
5562 PR tree-optimization/26667
5563 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5564 node for the callees. Always allow inlining if it will shrink
5567 2006-03-14 Richard Guenther <rguenther@suse.de>
5570 * builtins.c (get_pointer_alignment): Prefer alignment
5571 information from decls over that from types.
5573 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5576 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5578 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5580 * config/rs6000/rs6000.opt (mdlmzb): New option.
5581 (msched-prolog, msched-epilog): Use Var not Mask.
5582 * doc/invoke.texi (-mdlmzb): Document.
5583 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5585 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5586 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5588 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5590 PR rtl-optimization/25739
5591 * bt-load.c (augment_live_range): Free tos pointer.
5593 * gensupport.c (identify_predicable_attribute): Free
5595 * gcov.c (create_file_names): Free name pointer.
5597 2006-03-13 Roger Sayle <roger@eyesopen.com>
5600 * stmt.c (emit_case_nodes): Handle the case where the index is a
5601 CONST_INT, where the comparison mode is specified by the index type.
5603 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5605 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5608 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5610 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5611 (*branch_fp_inverted): Likewise.
5613 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5616 * omp-low.c (expand_omp_for_generic): Mark istart0
5617 and iend0 as addressable.
5619 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5621 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5623 2006-03-13 Jeff Law <law@redhat.com>
5625 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5626 virtual operands are interesting.
5627 (vrp_visit_stmt): Corresponding changes.
5629 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5631 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5633 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5634 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5635 * config/bfin/crti.S: Use it instead of __PIC__.
5636 * config/bfin/crtn.S: Likewise.
5638 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5639 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5641 Lose 'G' modifier for call operand.
5642 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5643 recognize 'G' modifier.
5645 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5648 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5649 * stmt.c (expand_case): Likewise.
5651 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5653 PR rtl-optimization/26254
5654 * loop-invariant.c (seq_insns_valid_p): New function.
5655 (move_invariant_reg): Only emit new code if it is valid.
5657 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5659 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5661 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5662 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5663 (commit_one_edge_insertion): Do not look for loop notes.
5665 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5667 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5668 flag_test_coverage out of loop.
5670 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5672 * final.c (shorten_branches): Remove outdated comment, and turn
5673 the if branch that guards it to continue.
5675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5677 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5678 * cfgloop.h (struct loop): Remove unused fields.
5680 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5682 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5683 (-dL, -fdump-rtl-loop2): Update the dump file names
5685 * doc/invoke.texi: Update dump file names.
5687 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5689 * predict.c (estimate_probability): Remove.
5690 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5691 * basic-block.h (estimate_probability): Remove prototype.
5692 * passes.c (finish_optimization_passes): Dump branch prediction or
5693 profiling heuristics to the .profile tree dump.
5694 (init_optimization_passes): Unqueue pass_branch_prob.
5696 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5698 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5700 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5701 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5703 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5705 * function.h (frame_offset_overflow): Declare.
5706 * function.c (frame_offset_overflow): New function.
5707 (assign_stack_local_1): Call it to detect that the offset overflows.
5708 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5710 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5712 * config/sh/sh.c: Include alloc-pool.h.
5713 (label_ref_list_pool): New alloc pool.
5714 (label_ref_list_t): New type for lists of labels.
5715 (struct pool_node): Make wend a label_ref_list_t.
5716 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5718 (dump_table): Likewise.
5719 (sh_reorg): Set up the alloc pool before using add_constant and
5720 dump_table, and destroy it when finishing.
5722 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5724 * config/mips/mips.c: Remove redundant comment.
5726 2006-03-10 Jason Merrill <jason@redhat.com>
5729 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5730 the target was declared 'register'.
5732 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5734 * genpreds.c (write_insn_constraint_len): Change definition of
5735 insn_constraint_len to return size_t to match the declaration.
5737 2006-03-10 DJ Delorie <dj@redhat.com>
5739 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5741 (m32c_expand_insv): Fix test for an AND mask.
5743 2006-03-10 Richard Guenther <rguenther@suse.de>
5746 * builtins.c (get_pointer_alignment): Handle component
5747 references for field alignment.
5749 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5751 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5752 when building with libgloss.
5753 (sh*elf): Implement --without-fp option.
5754 (sh64-superh-linux*): Don't multilib.
5756 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5758 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5760 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5762 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5763 Set it when one of the replacement functions returned true.
5764 Return TODO_cleanup_cfg if cfgchanged is true.
5765 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5767 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5769 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5770 instead of gen_lowpart.
5772 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5774 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5776 (mips_output_order_conditional_branch): Declare.
5777 * config/mips/mips.h (MIPS_BRANCH): New macro.
5778 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5779 for the comparison. Use gen_condjump.
5780 (mips_output_conditional_branch): Rework interface to take the
5781 asm templates for a direct branch and the inverse of a direct branch.
5782 (mips_output_order_conditional_branch): New function.
5783 (mips_builtin_branch_and_move): New function.
5784 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5785 branch condition. Use gen_single_cc as the condition for
5786 __builtin_mips_upper_* or __builtin_mips_lower_*.
5787 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5788 Use VOIDmode for the branch condition.
5789 * config/mips/predicates.md (order_operator): New predicate.
5790 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5791 (branch_fp): Rename to...
5792 (*branch_fp): ...this. Remove mode from comparison operator.
5793 Use new mips_output_conditional_branch interface.
5794 (branch_fp_inverted): Rename to...
5795 (*branch_fp_inverted): ...this and update as for *branch_fp.
5796 (*branch_zero<mode>): Rename to...
5797 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5798 Use mips_output_order_conditional_branch. Only accept ordered
5800 (*branch_zero<mode>_inverted): Rename to...
5801 (*branch_order<mode>_inverted): ...this and update as for
5802 *branch_order<mode>.
5803 (*branch_equality<mode>): Accept zero as the second operand to
5804 the equality operator. Use the new mips_output_conditional_branch
5806 (*branch_equality<mode>_inverted): Likewise.
5807 (condjump): New expander.
5808 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5810 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5811 (bc1any2t, bc1any2f): Likewise.
5812 (single_cc): New expander.
5813 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5815 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5817 * doc/md.texi: Update documentation of MIPS constraints.
5818 * config/mips/constraints.md: New file.
5819 * config/mips/mips.md: Include it.
5820 * config/mips/mips.c (mips_char_to_class): Delete.
5821 (override_options): Don't initialize mips_char_to_class.
5822 * config/mips/mips.h (mips_char_to_class): Delete.
5823 (REG_CLASS_FROM_LETTER): Delete.
5824 (CONST_OK_FOR_LETTER_P): Delete.
5825 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5826 (EXTRA_CONSTRAINT_Y): Delete.
5827 (EXTRA_CONSTRAINT_STR): Delete.
5828 (CONSTRAINT_LEN): Delete.
5829 (EXTRA_MEMORY_CONSTRAINT): Delete.
5831 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5833 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5834 original fn's eh regions.
5836 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5838 * fold-const.c (build_range_check): Make sure to use a valid type to
5839 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5842 (range_predecessor): New static function.
5843 (range_successor): Likewise.
5844 (merge_ranges): Use them to compute predecessors and successors of
5847 2006-03-09 Roger Sayle <roger@eyesopen.com>
5850 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5851 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5853 2006-03-08 DJ Delorie <dj@redhat.com>
5855 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5856 (addpsi3): Expand to include memory operands. Remove
5857 reload-specific splits.
5858 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5859 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5860 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5861 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5862 (shift1_qi, shift1_hi, insv): New.
5863 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5864 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5865 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5867 * config/m32c/m32c-protos.h: Update as needed.
5868 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5869 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5870 Fail for unrecognized R* constraints.
5871 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5872 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5873 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5875 (m32c_init_libfuncs): New.
5876 (m32c_legitimate_address_p): Add debug wrapper.
5877 (m32c_rtx_costs): New.
5878 (m32c_address_cost): New.
5879 (conversions): Add 'B' prefix.
5880 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5881 operands, or word regnames for QI operands. 'B' prints bit
5883 (m32c_expand_setmemhi): New.
5884 (m32c_expand_movmemhi): New.
5885 (m32c_expand_movstr): New.
5886 (m32c_expand_cmpstr): New.
5887 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5888 (m32c_expand_neg_mulpsi3): Handle non-ints.
5889 (m32c_cmp_flg_0): New.
5890 (m32c_expand_movcc): New.
5891 (m32c_expand_insv): New.
5892 (m32c_scc_pattern): New.
5893 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5894 a0/a1 out of SIregs.
5895 (STORE_FLAG_VALUE): New.
5896 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5899 * config/m32c/mov.md: Make constraints more liberal.
5900 (zero_extendqihi2): Optimize r0/r1 case.
5901 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5902 * config/m32c/predicates.md (m32c_any_operand): New.
5903 (m32c_nonimmediate_operand): New.
5904 (m32c_hl_operand): New.
5905 (m32c_r3_operand): New.
5908 (memsym_operand): New.
5909 (memimmed_operand): New.
5910 (a_qi_operand): New.
5911 (m32c_eqne_operator): New.
5912 (m32c_1bit8_operand): New.
5913 (m32c_1bit16_operand): New.
5914 (m32c_1mask8_operand): New.
5915 (m32c_1mask16_operand): New.
5916 * config/m32c/blkmov.md: New file.
5917 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5919 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5921 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5922 unsigned to fix signed/unsigned comparison issue in
5923 DWARF2_FRAME_REG_OUT.
5924 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5925 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5927 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5928 of ptr into the ENABLE_CHECKING section.
5930 2006-03-08 Jeff Law <law@redhat.com>
5932 * tree-vrp.c (infer_value_range): Only count pointer uses
5933 and dereferences if -fdelete-null-pointer-checks is enabled.
5935 * tree-vrp.c (find_assert_locations): Infer value ranges for
5936 single use pointers, but do not create ASSERT_EXPRs for them.
5937 When a non-null range is inferred for a pointer, backwards
5938 propagate that range to other equivalent pointers through the
5941 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5944 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5945 language hook targets.
5946 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5947 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5948 if language hook targets were missing.
5950 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5952 * tree-ssa-opfinalize.h: Removed.
5953 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5955 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5956 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5957 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5958 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5959 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5960 finalize_ssa_v_must_def_ops): New.
5962 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5964 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5967 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5969 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5971 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5972 addresses with offsets; reorganize.
5974 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5975 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5976 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5978 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5981 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5983 2006-03-08 Ben Elliston <bje@au.ibm.com>
5985 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5987 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5990 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5993 2006-03-07 Richard Guenther <rguenther@suse.de>
5995 PR tree-optimization/26587
5996 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5998 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6000 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6002 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6004 * hooks.c (hook_bool_mode_rtx_true): New function.
6005 * hooks.h (hook_bool_mode_rtx_true): Declare.
6006 * toplev.c (compile_file): Call output_shared_constant_pool.
6007 * varasm.c (shared_constant_pool): New variable.
6008 (assemble_start_function, assemble_end_function): Remove arguments
6009 from call to output_constant_pool.
6010 (create_constant_pool): New function, split out from...
6011 (init_varasm_status): ...here.
6012 (force_const_mem): Choose between the shared and per-function constant
6013 pools. Set current_function_uses_const_pool when reusing old entries
6014 as well as when creating new ones.
6015 (mark_constant): Ignore data argument.
6016 (mark_constants): Remove pool argument.
6017 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6018 to decide whether the function uses a constant pool.
6019 (output_constant_pool_contents): New function, split out from...
6020 (output_constant_pool): ...here.
6021 (output_shared_constant_pool): New function.
6022 (init_varasm_once): Initialize shared_constant_pool.
6023 * output.h (output_constant_pool): Delete.
6024 (output_shared_constant_pool): Declare.
6025 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6026 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6028 2006-03-06 Nick Clifton <nickc@redhat.com>
6030 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6031 flag_strength_reduce.
6033 2006-03-06 Ben Elliston <bje@au.ibm.com>
6035 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6036 x86_64-*-linux* configurations.
6038 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6039 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6041 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6043 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6045 * basic-block.h: Remove the extern for
6046 rediscover_loops_after_threading.
6048 * cfgloop.c (cancel_loop): Make it static.
6049 * cfgloop.h: Remove the prototype for cancel_loop.
6051 * flow.c (recompute_reg_usage): Make it static.
6052 * rtl.h: Remove the prototype for recompute_reg_usage.
6054 * function.c (use_return_register): Make it static.
6055 * function.h: Remove the prototype.
6057 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6059 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6061 * recog.h: Remove the prototype for
6062 validate_change_maybe_volatile.
6064 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6066 * rtlanal.c (replace_reg): Remove.
6067 * rtl.h: Remove the prototype for replace_reg.
6069 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6071 * regclass.c (reg_scan_update): Remove.
6072 (reg_scan_mark_refs): Remove the last argument.
6073 * rtl.h: Remove the prototype for reg_scan_update.
6075 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6077 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6078 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6079 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6080 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6081 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6082 loop-invariant.c, omp-low.c, opts.c, passes.c,
6083 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6084 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6085 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6086 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6087 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6088 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6090 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6092 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6093 * dwarf2out.h: Remove the prototype for
6094 dwarf2out_add_library_unit_info.
6096 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6098 * tree.c (add_var_to_bind_expr): Remove.
6099 * tree.h: Remove the prototype for add_var_to_bind_expr.
6101 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6103 * regclass.c (n_non_fixed_regs): Remove.
6104 (init_reg_sets_1, globalize_reg): Remove all uses of
6106 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6110 * rtlanal.c (insns_safe_to_move_p): Remove.
6111 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6113 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6115 * expmed.c (expand_mult_add): Remove.
6116 * expr.h: Remove the prototype for expand_mult_add.
6118 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6120 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6121 and REG_SAVED_VAL_EXP constants.
6122 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6123 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6124 Handle regs stored by value.
6125 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6126 (execute_cfa_program): Handle DW_CFA_val_offset,
6127 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6128 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6129 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6130 (uw_install_context_1): Handle target regs stored by value.
6132 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6134 * tree-sra.c (tree_sra): Return todoflags;
6135 (generate_one_element): Set TODO_update_smt_usage if needed.
6136 (pass_sra): Remove TODO_update_smt_usage.
6137 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6139 (tree_ssa_forward_propagate_single_use_vars): Return
6140 TODO_update_smt_usage if we need to update SMT usage.
6141 (pass_forwprop): Remove TODO_update_smt_usage.
6143 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6145 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6146 (correct_use_link): Remove reference to get_stmt_operands.
6147 (update_stmt_operands): Likewise.
6148 (get_modify_expr_operands): New function factored out of
6149 parse_ssa_operands and get_expr_operands.
6150 Try to create V_MUST_DEFs for LHS by default.
6151 (get_expr_operands) <case MODIFY_EXPR>: Call
6152 get_modify_expr_operands.
6153 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6154 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6155 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6156 get_modify_expr_operands.
6158 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6160 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6161 * tree-flow.h: Remove the prototype for
6162 referenced_var_lookup_if_exists.
6164 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6166 PR rtl-optimization/26345
6168 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6170 2006-03-03 Roger Sayle <roger@eyesopen.com>
6172 PR tree-optimization/26524
6173 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6174 fold_convert to create a constant of the appropriate type.
6176 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6178 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6179 SYMBOL_REF_IN_BLOCK_P.
6180 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6181 of SYMBOL_FLAG_IN_BLOCK.
6182 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6183 instead of SYMBOL_REF_IN_BLOCK_P.
6184 * explow.c (use_anchored_address): Likewise.
6185 * rtl.c (rtx_size): Likewise.
6186 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6187 instead of SYMBOL_FLAG_IN_BLOCK.
6188 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6189 SYMBOL_REF_IN_BLOCK_P.
6190 (assemble_variable): Likewise.
6191 (output_constant_def_contents): Likewise.
6192 (output_constant_pool): Likewise.
6193 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6194 instead of SYMBOL_FLAG_IN_BLOCK.
6195 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6196 SYMBOL_REF_IN_BLOCK_P.
6197 (SYMBOL_REF_BLOCK): Likewise.
6198 (SYMBOL_REF_OFFSET): Likewise.
6199 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6200 SYMBOL_REF_IN_BLOCK_P.
6201 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6202 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6203 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6204 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6206 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6208 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6210 2006-03-02 Roger Sayle <roger@eyesopen.com>
6212 * simplify-rtx.c (simplify_unary_operation): When simplifying
6213 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6214 that we perform the right shift in the appropriate mode, and
6215 then extend or truncate the result to requested mode.
6217 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6219 * gengtype.c (main): Handle double_int type.
6220 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6221 * double-int.c: New file.
6222 * double-int.h: New file.
6223 * system.h: Include doubleint.h.
6224 * Makefile.in (SYSTEM_H): Include double-int.h.
6225 (double-int.o): Add.
6227 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6230 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6233 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6235 * tree-vrp.c (remove_range_assertions): Do not update statements
6238 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6240 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6242 * gcse.c (rest_of_handle_gcse): Ditto.
6243 * except.c (gate_handle_eh): Ditto.
6244 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6245 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6247 2006-03-02 Eric Christopher <echristo@apple.com>
6249 * config/i386/i386.c (machopic_output_stub): Add indirection to
6252 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6256 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6258 Sun Niagara specific optimizations.
6259 * config.gcc: Recognize niagara as target.
6260 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6261 (TARGET_CPU_niagara): Define.
6262 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6263 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6264 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6265 (ASM_CPU_SPEC): Likewise.
6266 (PROCESSOR_NIAGARA): New enum entry.
6267 (REGISTER_MOVE_COST): Handle Niagara.
6268 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6269 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6270 (sparc_override_options): Recognize "niagara", set appropriate
6271 default MASK_* values for it, and align functions to 32-bytes
6272 by default just like ULTRASPARC/ULTRASPARC3.
6273 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6274 (sparc64_initialize_trampoline): Likewise.
6275 (sparc_use_sched_lookahead): Use zero for niagara.
6276 (sparc_issue_rate): Use one for niagara.
6277 * config/sparc/niagara.md: New file.
6278 * config/sparc/sparc.md: Include it.
6279 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6280 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6281 when default cpu is niagara.
6282 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6283 (ASM_CPU_SPEC): Likewise.
6284 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6285 when default cpu is niagara.
6286 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6287 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6288 just like v9/ultrasparc/ultrasparc3.
6289 * doc/invoke.texi: Add documentation for "niagara" and improve
6290 existing documentation for ultrasparc variants.
6292 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6294 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6296 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6298 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6299 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6300 and say that only one is needed.
6301 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6302 * target.h (have_switchable_bss_sections): New hook.
6303 * explow.c (use_anchored_address): Check that the symbol is in a block.
6304 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6305 (bss_noswitch_section): New variables.
6306 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6307 (get_noswitch_section): New function.
6308 (get_block_for_section): Allow SECT to be null.
6309 (unlikely_text_section_p): Use SECTION_STYLE.
6310 (bss_initializer_p): New function.
6311 (get_variable_section): Move earlier in file. Take a new argument,
6312 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6313 Return one of the new *_sections in such cases.
6314 (get_block_for_decl): New function, extracting some logic from
6315 use_blocks_for_decl_p.
6316 (change_symbol_section): Remove in favor of...
6317 (change_symbol_block): ...this new function.
6318 (use_blocks_for_decl_p): Remove checks now performed by
6320 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6321 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6322 (emit_local, emit_bss, emit_common): ...these new functions.
6323 Return true if the alignment was honored.
6324 (emit_tls_common): New function.
6325 (asm_emit_uninitialised): Delete.
6326 (assemble_variable_noswitch): New function, split out from...
6327 (assemble_variable): ...here. Don't make decisions about common
6328 variables here. Globalize all public decls that go into non-common
6329 sections. Check whether SYMBOL_REF_BLOCK is null.
6330 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6331 (output_constant_pool): Likewise.
6332 (init_varasm_once): Initialize the new section variables.
6333 (have_global_bss_p): New function.
6334 (categorize_decl_for_section): Use bss_initializer_p.
6335 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6336 (place_block_symbol): Assert that the symbol must be in a block.
6337 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6338 (TARGET_INITIALIZER): Include it.
6339 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6340 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6341 (SECTION_MACH_DEP): Bump by two.
6342 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6343 (unnamed_section): Mention SECTION_UNNAMED in comment.
6344 (named_section): Likewise SECTION_NAMED.
6345 (noswitch_section_callback): New type.
6346 (noswitch_section): New structure.
6347 (section): Add a noswitch_section alternative.
6348 (SECTION_STYLE): New macro.
6349 (tls_comm_section, comm_section, lcomm_section): Declare.
6350 (bss_noswitch_section, have_global_bss_p): Declare.
6351 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6352 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6354 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6355 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6358 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6360 * tree-vrp.c (execute_vrp): Return value.
6361 * regrename.c (rest_of_handle_regrename): Ditto.
6362 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6363 * tree-complex.c (tree_lower_complex): Ditto.
6364 (tree_lower_complex_O0): Ditto.
6365 * tracer.c (rest_of_handle_tracer): Ditto.
6366 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6367 * postreload.c (rest_of_handle_postreload): Ditto.
6368 * tree-tailcall.c (execute_tail_recursion): Ditto.
6369 (execute_tail_calls): Ditto.
6370 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6371 * tree.h (init_function_for_compilation): Ditto.
6372 * ipa-cp.c (ipcp_driver): Ditto.
6373 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6374 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6375 * final.c (compute_alignments): Ditto.
6376 (rest_of_handle_final): Ditto.
6377 (rest_of_handle_shorten_branches): Ditto.
6378 (rest_of_clean_state): Ditto.
6379 * omp-low.c (execute_expand_omp): Ditto.
6380 (execute_lower_omp): Ditto.
6381 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6382 * ipa-reference.c (static_execute): Ditto.
6383 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6384 * reorg.c (rest_of_handle_delay_slots): Ditto.
6385 (rest_of_handle_machine_reorg): Ditto.
6386 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6387 * flow.c (recompute_reg_usage): Ditto.
6388 (rest_of_handle_remove_death_notes): Ditto.
6389 (rest_of_handle_life): Ditto.
6390 (rest_of_handle_flow2): Ditto.
6391 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6392 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6393 (do_ssa_store_ccp): Ditto.
6394 (execute_fold_all_builtins): Ditto.
6395 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6396 * modulo-sched.c (rest_of_handle_sms): Ditto.
6397 * ipa-pure-const.c (static_execute): Ditto.
6398 * cse.c (rest_of_handle_cse): Ditto.
6399 (rest_of_handle_cse2): Ditto.
6400 * web.c (rest_of_handle_web): Ditto.
6401 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6402 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6403 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6404 * tree-nrv.c (tree_nrv): Ditto.
6405 (execute_return_slot_opt): Ditto.
6406 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6407 (create_structure_vars): Ditto.
6408 * loop-init.c (rtl_loop_init): Ditto.
6409 (rtl_loop_done): Ditto.
6410 (rtl_move_loop_invariants): Ditto.
6411 (rtl_unswitch): Ditto.
6412 (rtl_unroll_and_peel_loops): Ditto.
6413 (rtl_doloop): Ditto.
6414 * gimple-low.c (lower_function_body): Ditto.
6415 (mark_used_blocks): Ditto.
6416 * tree-ssa-sink.c (execute_sink_code): Ditto.
6417 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6418 (cgraph_early_inlining): Ditto.
6419 * global.c (rest_of_handle_global_alloc): Ditto.
6420 * jump.c (cleanup_barriers): Ditto.
6421 (purge_line_number_notes): Ditto.
6422 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6423 (rest_of_handle_if_after_reload): Ditto.
6424 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6425 (tree_ssa_loop_im): Ditto.
6426 (tree_ssa_loop_unswitch): Ditto.
6427 (tree_vectorize): Ditto.
6428 (tree_linear_transform): Ditto.
6429 (tree_ssa_loop_ivcanon): Ditto.
6430 (tree_ssa_empty_loop): Ditto.
6431 (tree_ssa_loop_bounds): Ditto.
6432 (tree_complete_unroll): Ditto.
6433 (tree_ssa_loop_prefetch): Ditto.
6434 (tree_ssa_loop_ivopts): Ditto.
6435 (tree_ssa_loop_done): Ditto.
6436 * predict.c (tree_estimate_probability): Ditto.
6437 * recog.c (split_all_insns_noflow): Ditto.
6438 (rest_of_handle_peephole2): Ditto.
6439 (rest_of_handle_split_all_insns): Ditto.
6440 * tree-eh.c (lower_eh_constructs): Ditto.
6441 * regmove.c (rest_of_handle_regmove): Ditto.
6442 (rest_of_handle_stack_adjustments): Ditto.
6443 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6444 * function.c (instantiate_virtual_regs): Ditto.
6445 (init_function_for_compilation): Ditto.
6446 (rest_of_handle_check_leaf_regs): Ditto.
6447 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6448 (rest_of_handle_gcse): Ditto.
6449 * ipa-type-escape.c (type_escape_execute): Ditto.
6450 * alias.c (rest_of_handle_cfg): Ditto.
6451 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6452 * profile.c (rest_of_handle_branch_prob): Ditto.
6453 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6454 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6455 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6456 * tree-dfa.c (find_referenced_vars): Ditto.
6457 * except.c (set_nothrow_function_flags): Ditto.
6458 (convert_to_eh_region_ranges): Ditto.
6459 (rest_of_handle_eh): Ditto.
6460 * emit-rtl.c (unshare_all_rtl): Ditto.
6461 (remove_unnecessary_notes): Ditto.
6462 * except.h (set_nothrow_function_flags): Ditto.
6463 (convert_to_eh_region_ranges): Ditto.
6464 * cfgexpand.c (tree_expand_cfg): Ditto.
6465 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6466 * tree-ssa-pre.c (do_pre): Ditto.
6467 (execute_fre): Ditto.
6468 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6469 (rest_of_handle_jump2): Ditto.
6470 * tree-sra.c (tree_sra): Ditto.
6471 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6472 (execute_mudflap_function_decls): Ditto.
6473 * tree-ssa-copy.c (do_copy_prop): Ditto.
6474 (do_store_copy_prop): Ditto.
6475 * ipa-prop.h (ipcp_driver): Ditto.
6476 * cfglayout.c (insn_locators_initialize): Ditto.
6477 * tree-ssa-forwprop.c
6478 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6479 * cfglayout.h (insn_locators_initialize): Ditto.
6480 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6481 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6482 (execute_late_warn_uninitialized): Ditto.
6483 * rtl.h (cleanup_barriers): Ditto.
6484 (split_all_insns_noflow): Ditto.
6485 (purge_line_number_notes): Ditto.
6486 (unshare_all_rtl): Ditto.
6487 (remove_unnecessary_notes): Ditto.
6488 (recompute_reg_usage): Ditto.
6489 (variable_tracking_main): Ditto.
6490 * integrate.c (emit_initial_value_sets): Ditto.
6491 * integrate.h (emit_initial_value_sets): Ditto.
6492 * tree-optimize.c (execute_free_datastructures): Ditto
6493 (execute_free_cfg_annotations): Ditto.
6494 (execute_fixup_cfg): Ditto.
6495 (execute_cleanup_cfg_pre_ipa): Ditto.
6496 (execute_cleanup_cfg_post_optimizing): Ditto.
6497 (execute_init_datastructures): Ditto.
6498 * tree-object-size.c (compute_object_sizes): Ditto.
6499 * combine.c (rest_of_handle_combine): Ditto.
6500 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6501 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6502 (rest_of_handle_reorder_blocks): Ditto.
6503 (rest_of_handle_partition_blocks): Ditto.
6504 * var-tracking.c (variable_tracking_main): Ditto.
6505 * tree-profile.c (tree_profiling): Ditto.
6506 * tree-vect-generic.c (expand_vector_operations): Ditto.
6507 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6508 * sched-rgn.c (rest_of_handle_sched): Ditto.
6509 (rest_of_handle_sched2): Ditto.
6510 * basic-block.h (free_bb_insn): Ditto.
6511 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6512 * tree-cfg.c (execute_build_cfg): Ditto.
6513 (remove_useless_stmts): Ditto.
6514 (split_critical_edges): Ditto.
6515 (execute_warn_function_return): Ditto.
6516 (execute_warn_function_noreturn): Ditto.
6517 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6518 * cfgrtl.c (free_bb_for_insn): Ditto.
6519 * passes.c (execute_one_pass): Run additional
6520 todos returned by execute function.
6521 * tree-pass.h (struct tree_opt_pass): Make execute
6524 2006-03-02 Richard Guenther <rguenther@suse.de>
6526 * tree-ssa-alias.c (find_used_portions): Consider taking
6527 the address as making the variable not write-only.
6529 2006-03-02 Nick Clifton <nickc@redhat.com>
6531 * config.gcc (default_use_cxa_atexit): Extend the description of
6532 this configure variable. Set its default value to "yes" for
6533 Linux, NetBSD and ELF targets on the assumption that they will
6534 use C libraries with the __cxa_atexit function.
6536 2006-03-02 Ben Elliston <bje@au.ibm.com>
6538 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6539 parameter as unused to suppress a build warning.
6541 2006-03-02 Ben Elliston <bje@au.ibm.com>
6543 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6546 2006-03-01 Roger Sayle <roger@eyesopen.com>
6549 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6550 declared name, the weak reference name, and the typeof name.
6551 (__gthrw): Avoid expanding the declared name suffix.
6552 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6554 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6556 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6558 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6559 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6560 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6561 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6562 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6563 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6564 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6565 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6566 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6567 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6568 (DW_END_default, DW_END_big, DW_END_little): New.
6569 (DW_END_lo_user, DW_END_hi_user): Define.
6570 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6571 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6572 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6575 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6577 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6579 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6581 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6583 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6585 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6586 to 'symbol_mem_tag'.
6588 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6591 2006-03-01 Roger Sayle <roger@eyesopen.com>
6593 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6595 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6598 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6599 MACHO_DYNAMIC_NO_PIC_P.
6600 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6602 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6605 * config/darwin-protos.h (darwin_asm_output_anchor):
6607 * config/darwin-sections.def (cstring_section):
6608 Add SECTION_MERGE to the flags.
6609 (literal4_section): Likewise.
6610 (literal8_section): Likewise.
6611 (objc_selector_refs_section): Likewise.
6612 (objc_cls_refs_section): Likewise.
6613 * config/darwin.c (darwin_asm_output_anchor): New
6615 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6617 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6619 Fix PR tree-optimization/26443
6620 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6621 to todo and PROP_tmt_usage to properties_destroyed.
6622 * tree-ssa-ccp.c (pass_ccp): Ditto.
6623 (pass_store_ccp): Ditto.
6624 * tree-ssa-dom.c (pass_dominator): Ditto.
6626 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6628 * tree-ssa-operands.c: Cleanup whitespace.
6629 (get_asm_expr_operands): Move before first invocation.
6630 (get_indirect_ref_operands): Likewise.
6631 (get_tmr_operands): Likewise.
6632 (get_call_expr_operands): Likewise.
6633 (append_def): Likewise.
6634 (append_use): Likewise.
6635 (append_v_may_def): Likewise.
6636 (append_v_must_def): Likewise.
6637 (add_call_clobber_ops): Likewise.
6638 (add_call_read_ops): Likewise.
6639 (add_stmt_operand): Likewise.
6640 (add_virtual_operand): Likewise.
6641 (build_ssa_operands): Likewise.
6643 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6648 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6649 with a call expr to ...
6650 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6652 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6654 * tree-vrp.c (extract_range_from_assert): Remove special
6655 handling for types with super-types.
6657 2006-03-01 Ben Elliston <bje@au.ibm.com>
6659 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6660 and powerpc64-*-linux* configurations.
6661 * config/t-dfprules: New file.
6663 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6664 Compile dfp-bit.c from the source directory using -DWIDTH and
6665 $DFP_CFLAGS to control the compilation of that file, rather than
6666 generating width-specific versions in the build directory.
6667 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6668 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6670 2006-02-28 Zack Weinberg <zackw@panix.com>
6672 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6675 2006-02-28 Eric Christopher <echristo@apple.com>
6677 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6678 Set up IN_LIBGCC definition of TARGET_64BIT.
6679 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6681 2006-02-28 Roger Sayle <roger@eyesopen.com>
6684 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6685 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6686 cases via the construction of "expr != 0".
6688 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6690 * alias.c (alias_invariant, alias_invariant_size): Remove.
6691 (record_base_value): Remove.
6692 (memrefs_conflict_p): Don't look at alias_invariant.
6693 (end_alias_analysis): Don't free it.
6694 * alias.h (record_base_value): Remove prototype.
6696 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6697 Adam Nemet <anemet@caviumnetworks.com>
6699 * rtl.h (truncated_to_mode): Declare it.
6700 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6701 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6702 (RTL_HOOKS_INITIALIZER): Include it.
6703 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6704 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6705 reg_truncated_to_mode.
6706 * rtlanal.c (truncated_to_mode): Define it.
6707 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6709 2006-02-28 Jeff Law <law@redhat.com>
6711 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6712 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6713 the range allowed by TYPE_PRECISION.
6715 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6717 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6719 PR tree-optimization/26419
6720 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6723 2006-02-27 Zack Weinberg <zackw@panix.com>
6725 * doc/md.texi: Fix typo in previous change.
6727 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6731 2006-02-27 Zack Weinberg <zackw@panix.com>
6733 * rtl.def (define_constraint, define_register_constraint)
6734 (define_memory_constraint, define_address_constraint): New MD forms.
6735 * gensupport.c (process_rtx): Put define_constraint etc on the
6737 * genpreds.c (process_define_predicate): Adjust comment. Validate
6738 the name, and call validate_exp to validate the expression.
6739 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6740 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6741 all callers changed.
6742 (validate_exp, needs_variable, struct constraint_data)
6743 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6744 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6745 (const_dbl_constraints, constraint_max_namelen)
6746 (have_register_constraints, have_memory_constraints)
6747 (have_address_constraints, have_address_constraints)
6748 (have_extra_constraints, have_const_int_constraints)
6749 (have_const_dbl_constraints, mangle, add_constraint)
6750 (process_define_constraint, process_define_register_constraint)
6751 (write_enum_constraint_num, write_lookup_constraint)
6752 (write_insn_constraint_len, write_regclass_for_constraint)
6753 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6754 (write_insn_extra_memory_constraint)
6755 (write_insn_extra_address_constraint)
6756 (write_satisfies_constraint_fns): New.
6757 (write_tm_preds_h): If we have new-style constraint definitions,
6758 prototype the functions generated from them, and define the
6759 old constraint interface (still used by generic code) in terms of
6761 (write_insn_preds_c): If we have new-style constraint definitions,
6762 generate all relevant functions from those definitions.
6763 (main): Handle define_constraint etc.
6764 * genoutput.c (struct constraint_data, indep_constraints)
6765 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6766 (mdep_constraint_len): New data structures and functions, defined
6767 #ifdef USE_MD_CONSTRAINTS.
6768 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6769 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6770 use new logic to validate operand constraints against constraint
6772 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6774 * defaults.h: If none of the old-style constraint macros are
6775 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6776 old-style macros; and poison REG_CLASS_FROM_LETTER,
6777 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6779 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6780 * doc/md.texi: Document new constraint-definition mechanism and the
6781 C interface it provides. Remove references to old mechanism
6782 elsewhere in the document.
6783 (Machine Constraints): Use pathnames relative to gcc directory,
6784 i.e. config/ARCH/FILE. Change i386 section to refer to
6785 config/i386/predicates.md; update that section to match docstrings.
6786 * doc/tm.texi: Move all documentation of the old constraint-
6787 definition macros to their own section, clearly mark as obsolete.
6789 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6790 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6792 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6793 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6794 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6796 (splits and peepholes): Use satisfies_constraint_*.
6797 * config/i386/i386.c (memory_address_length)
6798 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6800 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6802 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6803 scalar operation to be put back into the loop.
6805 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6808 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6809 (extract_cie_info): Handle S flag in augmentation string.
6810 (execute_cfa_program): If context->signal_frame, execute also
6811 fs->pc == context->ra instructions.
6812 (uw_frame_state_for): If context->signal_frame, don't subtract one
6813 from context->ra to find FDE.
6814 (uw_update_context_1): Set context->signal_frame to
6816 (_Unwind_GetIPInfo): New function.
6817 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6818 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6820 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6821 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6822 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6823 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6824 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6825 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6826 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6827 x86_64_fallback_frame_state): Set fs->signal_frame.
6828 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6829 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6830 (frob_update_context): Likewise. Workaround missing S flag in
6831 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6832 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6833 Remove the psw_addr + 1 hack.
6835 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6837 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6838 with aggregates here.
6839 (find_func_aliases): Remove code for &<aggregate> from here.
6841 2006-02-26 Roger Sayle <roger@eyesopen.com>
6843 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6844 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6845 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6848 2006-02-26 Roger Sayle <roger@eyesopen.com>
6851 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6853 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6855 * opts.c (decode_options): Do not handle flag_strength_reduce.
6856 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6857 and OPT_fstrength_reduce.
6858 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6859 flag_prefetch_loop_arrays for being nonzero.
6860 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6862 (fprefetch-loop-arrays-rtl): Removed.
6863 (flag_prefetch_loop_arrays): Do not specify the value.
6865 * doc/passes.texi: Update documentation of loop optimizer
6867 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6868 -frerun-loop-opt): Remove.
6870 2006-02-26 Richard Guenther <rguenther@suse.de>
6872 PR tree-optimization/26421
6873 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6874 in function calls that are ADDR_EXPRs as using the whole structure.
6876 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6878 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6879 * tree-pass.h (pass_loop_optimize): Remove.
6880 * passes.c (pass_loop_optimize): Never run it.
6881 * toplev.c (backend_init): Don't call init_loop.
6882 * opts.c (flag_loop_optimize_set): Remove.
6883 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6884 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6885 the old RTL loop optimizer when profiling enabled.
6886 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6887 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6888 pre-headers for the sake of the old RTL loop optimizer.
6889 * Makefile.in: Remove all references to loop.o.
6891 * doc/invoke.texi: Remove all references to -floop-optimize
6892 and -frerun-loop-opt.
6894 2006-02-26 Zack Weinberg <zackw@panix.com>
6896 * doc/md.texi (Machine Constraints): Refer to all files with paths
6897 relative to gcc directory (i.e. config/CPU/file). Add missing
6898 @table @code ... @end table to M32C subsection.
6900 2006-02-26 Roger Sayle <roger@eyesopen.com>
6902 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6904 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6906 2006-02-26 Roger Sayle <roger@eyesopen.com>
6907 James A. Morrison <phython@gcc.gnu.org>
6910 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6911 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6912 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6913 signedness of the shift operation.
6915 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6917 PR tree-optimization/26359
6918 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6920 2006-02-25 Roger Sayle <roger@eyesopen.com>
6922 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6923 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6924 as X == 0, and some symmetry related transformations.
6925 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6927 2006-02-25 Roger Sayle <roger@eyesopen.com>
6930 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6931 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6932 symmetry related transformations. Fold (X^C1) == C2 as
6935 2006-02-25 Juergen Weigert <jw@suse.de>
6936 Richard Guenther <rguenther@suse.de>
6938 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6940 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6942 * combine.c (gen_lowpart_or_truncate): Call
6943 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6945 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6947 * doc/invoke.texi: Move -fopenmp description to "Options for
6949 Remove reference to -lgomp.
6951 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6953 * doc/install.texi: Require GNU tar version 1.14.
6955 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6957 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6958 * doc/invoke.texi (C++ Dialect Options): Document
6959 -fno-use-cxa-get-exception-ptr.
6960 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6961 * configure: Regenerate.
6962 * c.opt (fuse-cxa-get-exception-ptr): New.
6963 * c-opts.c (c_common_handle_option): Handle
6964 OPT_fuse_cxa_get_exception_ptr.
6965 * c-common.c (flag_use_cxa_atexit): Update documentation.
6966 (flag_use_cxa_get_exception_ptr): New.
6967 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6968 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6970 (C_COMMON_OVERRIDE_OPTIONS): New.
6972 2006-02-24 Roger Sayle <roger@eyesopen.com>
6975 * combine.c (try_combine): Explicitly check whether GET_CODE is
6976 a SET or a CLOBBER, instead on checking that it isn't a USE.
6978 2006-02-24 Roger Sayle <roger@eyesopen.com>
6980 * fold-const.c (fold_comparison): New subroutine of fold_binary
6981 containing transformations common to both the equality and
6982 ordering relational operators, factored out of fold_binary.
6983 (fold_binary): Separate out the equality operators (EQ_EXPR
6984 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6985 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6986 transformations common to both.
6987 (fold_div_compare): Fix latent bugs in the previously unreachable
6988 LT_EXPR and GE_EXPR cases.
6990 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6992 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6993 decl libname for clog to __clog on AIX.
6995 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6997 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7000 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7001 output traceback table for thunks. Localise rs6000_stack_info call.
7003 2006-02-23 Roger Sayle <roger@eyesopen.com>
7004 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7006 * gthr-posix.h (__gthrw): Fix typo in comment.
7008 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7010 * doc/cpp.texi (Character sets): Document that we do support
7011 input files to be in any character set.
7013 2006-02-23 Jeff Law <law@redhat.com>
7015 * tree.h (PHI_ARG_NONZERO): Remove.
7016 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7017 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7018 node to the new node.
7020 PR tree-optimization/26425
7021 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7022 min/max, then assume its varying.
7024 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7026 PR rtl-optimization/26316
7027 * rtlanal.c (enum may_trap_p_flags): New.
7028 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7029 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7030 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7031 (may_trap_after_code_motion_p): New function.
7032 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7033 (find_invariant_insn): Use may_trap_after_code_motion_p.
7034 * rtl.h (may_trap_after_code_motion_p): Declare.
7036 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7038 * emit-rtl.c (immed_double_const): Cleanup.
7040 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7042 Fix PR tree-optimization/26376
7043 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7046 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7049 * gimplify.c (omp_add_variable): Guard variable size decl test with
7050 DECL_SIZE (decl) check.
7052 2006-02-23 Richard Guenther <rguenther@suse.de>
7055 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7056 like aggregate types.
7058 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7060 * configure.ac: Add --with{,out}-long-double-128 configure option.
7061 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7062 * configure: Rebuilt.
7063 * config.in: Rebuilt.
7064 * doc/install.texi (Options specification): Document
7065 --with-long-double-128.
7067 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7068 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7069 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7070 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7072 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7074 * config/s390/s390.c (override_options): Handle
7075 TARGET_DEFAULT_LONG_DOUBLE_128.
7077 * config/alpha/alpha.c (override_options): Handle
7078 TARGET_DEFAULT_LONG_DOUBLE_128.
7080 * config/sparc/sparc.c (sparc_override_options): Handle
7081 TARGET_DEFAULT_LONG_DOUBLE_128.
7083 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7085 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7086 (real-install-headers-tar, real-install-headers-cpio)
7087 (real-install-headers-cp): New targets.
7089 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7091 * tree.h (variable_section): Delete.
7092 * varasm.c (variable_section): Delete.
7094 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7096 * install.texi: Add notes on install.texi2html.
7097 (Building in parallel): Do not use footnotes.
7099 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7102 * doc/install.texi (Configuration): Document --disable-libgomp.
7104 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7106 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7108 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7110 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7111 (vec_extractv2df_0_sse): New.
7113 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7115 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7116 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7117 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7118 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7119 to the result of the expression.
7120 (def_cfa_1): Adjust.
7121 (frame_pointer_cfa_offset): Rename to...
7122 (frame_pointer_fb_offset): ... this. Adjust all uses.
7123 (convert_cfa_to_loc_list): Rename to...
7124 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7125 Pass it on to build_cfa_loc.
7126 (compute_frame_pointer_to_cfa_displacement): Rename to...
7127 (compute_frame_pointer_to_fb_displacement): ... this. New
7128 offset parameter. Use it in computation.
7129 (gen_subprogram_die): Compute cfa_fb_offset with the new
7130 macro, and use it to compute the fb loc list and the
7133 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7135 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7136 replaced with register_operand.
7137 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7138 non-DREG is expensive.
7139 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7140 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7143 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7145 * doc/install.texi2html: Use set -e.
7147 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7149 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7150 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7151 * doc/invoke.texi (-fshared-data): Delete.
7152 * common.opt (fshared-data): Delete.
7153 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7154 (assemble_static_space): Remove #if 0 code.
7155 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7156 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7157 * config/cris/cris.h: Remove FIXME.
7159 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7161 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7164 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7167 * combine.c (simplify_shift_const_1): Disable nested shifts
7168 optimization for vector shifts.
7170 2006-02-20 Roger Sayle <roger@eyesopen.com>
7172 PR tree-optimization/26361
7173 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7174 of unsigned integer types.
7176 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7178 * tree-chrec.c (eq_evolutions_p): New.
7179 * tree-chrec.h (eq_evolutions_p): Declared.
7180 * tree-data-ref.c: Fix formatting.
7181 (datadep_stats, dependence_stats): New.
7183 (print_direction_vector): New.
7184 (dump_data_dependence_relation): Use print_direction_vector.
7185 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7186 (compute_subscript_distance): Static.
7187 (initialize_data_dependence_relation): Static. Get the number
7188 of loops surrounding the references from the callers, and initialize
7189 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7190 base_object_differ_p analyzers.
7191 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7192 compute_overlap_steps_for_affine_1_2,
7193 analyze_subscript_affine_affine): Count the classified dependences.
7194 Print a message when a test failed.
7195 (can_use_analyze_subscript_affine_affine): New.
7196 (analyze_siv_subscript): Compute the data dependences on symbolic
7197 scevs that verify can_use_analyze_subscript_affine_affine.
7198 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7199 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7200 Handle symbolic scevs.
7201 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7203 (subscript_dependence_tester): Moved...
7204 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7205 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7206 DDR_SIZE_VECT instead of getting it in parameter.
7207 (subscript_dependence_tester): ... here. Take as a parameter
7208 loop_nest_depth. Call build_classic_dist_vector and
7209 build_classic_dir_vector.
7210 (compute_affine_dependence): Update subscript_dependence_tester
7211 parameters. Update datadep_stats counters. Call
7212 compute_subscript_distance.
7213 (compute_self_dependence): Save the dist and dir vectors. Call
7214 compute_subscript_distance.
7215 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7216 (compute_all_dependences): Reorder parameters as they were before
7217 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7218 compute_subscript_distance. Update the use of
7219 compute_affine_dependence and initialize_data_dependence_relation.
7220 (find_data_references_in_loop): Handle COMPONENT_REF.
7221 (compute_data_dependences_for_loop): Initialize dependence_stats.
7222 Don't call build_classic_dist_vector and build_classic_dir_vector.
7223 Update the parameters of initialize_data_dependence_relation and
7224 compute_all_dependences. Print the statistics from datadep_stats.
7225 (analyze_all_data_dependences): Static. Not used until the pass for
7226 checking the data dependences is contributed.
7227 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7228 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7229 (initialize_data_dependence_relation, compute_affine_dependence,
7230 analyze_all_data_dependences, compute_subscript_distance): Removed.
7231 (print_direction_vector): New.
7232 * lambda.h (gcd): ... here.
7233 (lambda_vector_gcd): Moved here from gcd_vector.
7234 * lambda-code.c (gcd, gcd_vector): Removed.
7235 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7236 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7238 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7240 * ipa-type-escape.c: Tidy some comments and white space.
7241 * tree-ssa-operands.c: Likewise.
7243 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7246 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7247 (dump_decl_name): Do not walk the decl tree chains.
7248 * tree-pass.h (TDF_CHAIN): Remove.
7250 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7252 * Makefile.in (C): Remove
7254 (.PHONY): Remove C and PROTO
7256 2006-02-20 Roger Sayle <roger@eyesopen.com>
7259 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7260 deprecated CHAR_TYPE tree code.
7262 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7264 * configure.ac (target_list): Add install-info, dvi, html.
7265 * configure: Regenerate.
7267 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7268 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7269 treelang/Make-lang.in: Do not use double-colon rules.
7271 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7273 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7274 (TMT_USED_ALONE): New macro.
7275 * tree-pass.h (PROP_tmt_usage): New property.
7276 (TODO_update_tmt_usage): New todo.
7277 * tree-ssa-alias.c (updating_used_alone): New variable.
7278 (recalculate_used_alone): New function.
7279 (compute_may_aliases): Set updating_used_alone, call
7280 recalculate_used_alone.
7281 * tree-sra.c (pass_sra): Note that this pass destroys
7282 PROP_tmt_usage, and add TODO_update_tmt_usage.
7283 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7284 * tree-flow.h (updating_used_alone): Prototype.
7285 (recalculate_used_alone): Ditto.
7286 * passes.c (execute_todo): Add code to set updating_used_alone,
7287 and call recalculate.
7288 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7289 for clobber if used alone, and add assert to verify used_alone
7292 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7294 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7295 for non tls symbols added.
7296 (legitimize_address): Do nothing for PLUS expressions if one of the
7297 addends is a tls symbol reference.
7299 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7303 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7305 * Makefile.in (BOOTSTRAPPING): New.
7306 (quickstrap): New definition if BOOTSTRAPPING=yes.
7308 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7309 * configure.ac: Substitute all_selected_languages with the languages
7310 that were configured. For all the other variables except
7311 lang_specs_files, include all the languages in the tree.
7312 * configure: Regenerate.
7314 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7315 if there is one. Run the commands to run fixincludes in the same
7318 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7319 * doc/install.texi: Document exact conventions for searching target tools.
7320 Document --with-build-time-tools. Document toplevel bootstrap. Document
7321 something more about building an Ada cross-compiler. Don't list GNU Make
7322 requirements which affect all platforms.
7324 2006-02-19 Roger Sayle <roger@eyesopen.com>
7327 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7328 only equivalent if the have both the same mode and precision.
7330 2006-02-20 Ben Elliston <bje@au.ibm.com>
7332 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7334 2006-02-19 Roger Sayle <roger@eyesopen.com>
7335 Steven Bosscher <stevenb.gcc@gmail.com>
7337 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7338 constant pool references to identify stack mode constants.
7339 * rtlanal.c (constant_pool_constant_p): New predicate to check
7340 whether operand is a floating point constant in the pool.
7341 * rtl.h (constant_pool_constant_p): Prototype here.
7342 * loop.c (scan_loop): Avoid hoisting constants from the constant
7343 pool on STACK_REGS targets.
7344 (load_mems): Likewise.
7345 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7346 loads into x87 registers expensive in terms of register pressure.
7348 2006-02-19 Roger Sayle <roger@eyesopen.com>
7350 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7351 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7353 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7355 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7356 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7358 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7360 * doc/invoke.texi: Document -fipa-pta.
7361 * common.opt: Add ipa-pta option.
7362 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7363 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7364 (do_ds_constraint): Ditto.
7365 (get_constraint_for): Only add to referenced_vars if
7366 referenced_vars exists.
7367 (insert_into_field_list): Rewrite to do this unsorted.
7368 (insert_into_field_list_sorted): Rename old insert_into_field_list
7370 (create_function_info_for): Use insert_into_field_list_sorted.
7371 (create_variable_info_for): Rewrite so it uses unsorted version,
7372 since the field list is sorted.
7373 (intra_create_variable_infos): Only add to referenced_vars if
7374 referenced_vars exists.
7375 (ipa_pta_execute): Init heapvars, and delete when done.
7376 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7378 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7380 * doc/install.texi: Add missing `@samp'.
7382 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7384 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7387 2006-02-18 Mark Wielaard <mark@klomp.org>
7389 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7390 who added new 4.1 features, bug fixes and integration support.
7392 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7395 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7398 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7400 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7401 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7402 (copy_insn_1): Likewise. Don't copy each field individually.
7404 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7406 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7407 * rtl.c (rtx_size): Rename variable to...
7408 (rtx_code_size): ...this.
7409 (rtx_size): New function.
7410 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7411 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7413 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7414 * rtl.h (rtx_code_size): New variable.
7415 (rtx_size): Change from a variable to a function.
7416 (RTX_SIZE): Rename to...
7417 (RTX_CODE_SIZE): ...this.
7420 PR tree-optimization/17106
7421 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7422 (Anchored Addresses): New section.
7423 * doc/invoke.texi (-fsection-anchors): Document.
7424 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7425 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7426 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7427 * hooks.c (hook_bool_mode_rtx_false): New function.
7428 * hooks.h (hook_bool_mode_rtx_false): Declare.
7429 * gengtype.c (create_optional_field): New function.
7430 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7431 SYMBOL_REF_IN_BLOCK_P is true.
7432 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7433 (min_anchor_offset, max_anchor_offset): Likewise.
7434 (use_anchors_for_symbol_p): New hook.
7435 * toplev.c (compile_file): Call output_object_blocks.
7436 (target_supports_section_anchors_p): New function.
7437 (process_options): Check that -fsection-anchors is only used on
7438 targets that support it and when -funit-at-a-time is in effect.
7439 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7440 if the decl doesn't have one.
7441 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7442 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7443 of force_const_mem through use_anchored_address.
7444 (expand_expr_constant): New function.
7445 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7446 calling expand_expr for INDIRECT_REF.
7447 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7448 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7449 * expr.h (use_anchored_address): Declare.
7450 * loop-unroll.c: Don't declare rtx vectors here.
7451 * explow.c: Include output.h.
7452 (validize_mem): Call use_anchored_address.
7453 (use_anchored_address): New function.
7454 * common.opt (-fsection-anchors): New switch.
7455 * varasm.c (object_block_htab, anchor_labelno): New variables.
7456 (hash_section, object_block_entry_eq, object_block_entry_hash)
7457 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7458 (use_blocks_for_decl_p, change_symbol_section): New functions.
7459 (get_variable_section): New function, split out from assemble_variable.
7460 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7461 use_blocks_for_decl_p say so. Use change_symbol_section if the
7462 symbol has already been created.
7463 (assemble_variable_contents): New function, split out from...
7464 (assemble_variable): ...here. Don't output any code for
7465 block symbols; just pass them to place_block_symbol.
7466 Use get_variable_section and assemble_variable_contents.
7467 (get_constant_alignment, get_constant_section, get_constant_size): New
7468 functions, split from output_constant_def_contents.
7469 (build_constant_desc): Create a block symbol if use_object_blocks_p
7470 says so. Or into SYMBOL_REF_FLAGS.
7471 (assemble_constant_contents): New function, split from...
7472 (output_constant_def_contents): ...here. Don't output any code
7473 for block symbols; just pass them to place_section_symbol.
7474 Use get_constant_section and get_constant_alignment.
7475 (force_const_mem): Create a block symbol if use_object_blocks_p and
7476 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7477 (output_constant_pool_1): Add an explicit alignment argument.
7478 Don't switch sections here.
7479 (output_constant_pool): Adjust call to output_constant_pool_1.
7480 Switch sections here instead. Don't output anything for block symbols;
7481 just pass them to place_block_symbol.
7482 (init_varasm_once): Initialize object_block_htab.
7483 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7484 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7485 (place_block_symbol, get_section_anchor, output_object_block)
7486 (output_object_block_htab, output_object_blocks): New functions.
7487 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7488 (TARGET_ASM_OUT): Include it.
7489 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7490 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7491 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7492 (TARGET_INITIALIZER): Include them.
7493 * rtl.c (rtl_check_failed_block_symbol): New function.
7494 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7495 (block_symbol, object_block): New structures.
7496 (rtx_def): Add a block_symbol field to the union.
7497 (BLOCK_SYMBOL_CHECK): New macro.
7498 (rtl_check_failed_block_symbol): Declare.
7499 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7500 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7501 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7502 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7503 * output.h (output_section_symbols): Declare.
7504 (object_block): Name structure.
7505 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7506 (default_use_anchors_for_symbol_p): Declare.
7507 * Makefile.in (RTL_BASE_H): Add vec.h.
7508 (explow.o): Depend on output.h.
7509 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7510 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7511 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7512 (rs6000_use_blocks_for_constant_p): New function.
7514 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7516 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7518 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7521 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7524 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7526 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7530 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7533 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7534 instead of DECL_REGISTER.
7536 2006-02-18 Olivier Hainque <hainque@adacore.com>
7539 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7541 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7544 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7545 * opth-gen.awk: Handle Var and InverseMask together.
7546 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7547 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7548 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7549 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7551 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7552 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7553 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7554 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7555 LINUX_DYNAMIC_LINKER): Define.
7556 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7557 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7559 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7560 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7561 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7563 (TARGET_C99_FUNCTIONS): Don't define.
7564 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7565 GLIBC_DYNAMIC_LINKER.
7566 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7567 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7568 GLIBC_DYNAMIC_LINKER64): Define.
7569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7570 LINUX_DYNAMIC_LINKER64.
7571 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7572 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7573 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7575 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7577 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7578 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7579 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7581 and LINUX_DYNAMIC_LINKER32.
7582 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7584 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7586 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7588 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7589 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7590 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7591 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7592 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7593 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7594 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7595 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7596 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7597 LINUX_DYNAMIC_LINKER): Define.
7598 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7599 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7600 GLIBC_DYNAMIC_LINKER64): Define.
7601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7602 LINUX_DYNAMIC_LINKER64.
7603 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7604 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7605 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7606 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7607 LINUX_DYNAMIC_LINKER): Define.
7608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7609 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7610 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7611 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7612 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7613 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7614 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7615 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7616 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7617 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7619 * doc/invoke.texi (-muclibc): Remove caveat about supported
7622 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7624 * doc/cpp.texi (__TIMESTAMP__): Document.
7626 2006-02-17 Roger Sayle <roger@eyesopen.com>
7629 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7630 C is one less than the width of X (and related transformations).
7631 * simplify-rtx.c (simplify_unary_operation_1): Transform
7632 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7633 depending on STORE_FLAG_VALUE, were C is one less then the
7636 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7638 Fix PR tree-optimization/26341
7639 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7640 about NAME_MEMORY_TAG's.
7642 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7645 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7646 with hardware float support, and software float support. Add fcpy
7647 alternative to hardware patterns. Add alternatives to copy between
7648 general and floating-point registers to the 32-bit pattern.
7649 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7650 secondary reload to load a QI or HI mode constant into a floating
7652 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7653 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7655 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7658 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7660 (load_macho_picbase_di): Likewise.
7662 2006-02-16 Jeff Law <law@redhat.com>
7664 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7665 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7666 (ssa_name_nonzero_p): Likewise.
7667 (get_value_range): Return NULL if VRP is not running.
7668 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7669 VRP routines do not discover a range.
7670 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7671 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7672 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7673 (tree_expr_nonnegative_p): Similarly.
7674 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7675 (restore_nonzero_vars_to_original_value): Remove.
7676 (unsafe_associative_fp_binop): Remove.
7677 (tree_ssa_dominator_optimize): Remove initialization and
7678 finalization of nonzero_vars and nonzero_vars_stack.
7679 (dom_opt_initialize_block): No longer push marker on
7681 (dom_opt_finalize_block): No longer call
7682 restore_nonzero_vars_to_original_value.
7683 (record_equivalences_from_phis): No longer look for
7684 nonzero PHI arguments.
7685 (cprop_into_successor_phis): No longer propagate nonzero
7686 property into PHI arguments. Lose unused argument. Caller
7688 (record_equivalences_from_stmt): No longer record nonzero
7689 values for SSA_NAMEs.
7690 (lookup_avail_expr): No longer use nonzero_vars.
7692 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7693 for sizetype when sizetype is unsigned.
7695 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7697 PR rtl-optimization/25603
7698 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7699 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7700 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7701 with new meaning of SETS.
7703 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7708 * config/linux.opt: New file.
7709 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7710 LINUX_DYNAMIC_LINKER): Define.
7711 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7712 * config.gcc (*-*-linux*): Define extra_options.
7713 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7714 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7715 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7716 GLIBC_DYNAMIC_LINKER.
7717 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7718 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7719 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7720 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7721 * doc/invoke.texi (GNU/Linux Options): New section.
7723 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7725 * config/sparc/sparc.md (setjmp): Rewrite.
7726 (setjmp_32): Delete.
7727 (setjmp_64): Likewise.
7729 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7731 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7734 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7736 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7739 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7741 PR rtl-optimization/26296
7742 * Makefile.in (loop-invariant.c): Add except.h dependency.
7743 * loop-invariant.c: Include except.h.
7744 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7746 2005-02-16 Paul Brook <paul@codesourcery.com>
7748 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7751 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7753 PR rtl-optimization/25636
7754 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7755 when deciding whether an insn is an initializing insn.
7757 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7759 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7760 (tree_code_size): Ditto.
7761 * tree.h (struct tree_memory_tag): Remove parent_var.
7762 (struct tree_struct_field_tag): New.
7765 (union tree_node): Add sft member.
7766 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7768 (create_sft): Add size and offset argument, set SFT_OFFSET and
7770 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7771 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7772 * tree-flow-inline.h (get_subvar_at): Update for
7773 SFT_OFFSET/SFT_SIZE.
7774 (var_can_have_subvars): Ditto.
7775 (overlap_subvar): Ditto.
7776 * print-tree.c (print_node): Print out interesting things for
7778 * tree-flow.h (struct subvar): Remove offset and size members.
7779 * tree-ssa-operands.c (get_expr_operands): Update for
7780 get_indirect_ref_operands changes.
7781 (get_indirect_ref_operands): Call add_virtual_operand instead of
7782 add_stmt_operand. Only recurse on base var if requested.
7783 (access_can_touch_variable): New function.
7784 (add_stmt_operand): Split virtual operand handling into ...
7785 (add_virtual_operand): Here. Add offset, size, and for_clobber
7786 arguments. Prune alias sets.
7787 (add_call_clobber_ops): Call add_virtual_operand.
7789 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7792 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7794 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7795 than TREE_CODE as index into omp_clause_num_ops array.
7797 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7799 PR rtl-optimization/26184
7800 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7802 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7803 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7804 must_precede, must_follow and tobe_scheduled.
7807 * opts.c (common_handle_option): Free new_option pointer.
7808 * df-core.c (df_analyze): Free postorder pointer.
7810 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7812 * Makefile.in: Fix the examples about the use of stamps
7814 2006-02-15 Michael Matz <matz@suse.de>
7818 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7819 influenced by maximum_field_alignment or DECL_PACKED.
7820 (update_alignment_for_field): Ditto.
7821 (place_field): Ditto.
7822 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7825 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7827 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7828 (debug_flow_info): Pass it.
7829 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7830 * bb-reorder.c (reorder_basic_blocks): Likewise.
7831 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7832 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7833 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7834 * gcse.c (gcse_main, bypass_jumps): Likewise.
7835 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7836 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7837 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7838 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7839 * rtl.h (dump_flow_info): Adjust prototype.
7840 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7841 * var-tracking.c (variable_tracking_main): Likewise.
7842 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7843 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7846 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7848 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7851 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7853 PR tree-optimization/26209
7854 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7855 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7857 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7859 2006-02-14 Roger Sayle <roger@eyesopen.com>
7862 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7863 (X,Y) and the corresponding symmetry related transformations.
7864 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7865 (X,Y) and its symmetry related transformations.
7867 2006-02-14 Roger Sayle <roger@eyesopen.com>
7869 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7872 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7874 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7876 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7879 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7880 support COMDAT group.
7881 * configure: Regenerate.
7883 2006-02-14 Roger Sayle <roger@eyesopen.com>
7888 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7890 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7892 Fix PR tree-optimization/26260
7894 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7896 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7897 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7898 * tree-ssa-structalias.c (create_variable_info_for): Use
7899 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7901 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7903 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7905 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7906 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7907 of the ending condition.
7908 * tree-ssa-loop-manip.c: Include params.h.
7909 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7910 tree_unroll_loop): New functions.
7911 * tree-pass.h (pass_loop_prefetch): Declare.
7912 * loop.c (rest_of_handle_loop_optimize): Test for
7913 -fprefetch-loop-arrays-rtl.
7914 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7915 * timevar.def (TV_TREE_PREFETCH): New timevar.
7916 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7917 pass_loop_prefetch): New.
7918 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7919 (cleanup_tree_cfg_loop): Call scev_reset.
7920 * common.opt (fprefetch-loop-arrays-rtl): Add.
7921 * tree-ssa-loop-prefetch.c: New file.
7922 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7923 (new_temp_expr_table): Initialize expr_vars.
7924 (free_temp_expr_table): Cleanup expr_vars.
7925 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7926 expressions from being merged into one.
7927 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7928 (struct tree_niter_desc): Add control, bound and cmp fields.
7929 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7931 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7932 (tree-cfgcleanup.o): Add SCEV_H dependency.
7933 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7934 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7936 2006-02-14 Richard Guenther <rguenther@suse.de>
7938 PR tree-optimization/26258
7939 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7940 in PHI argument processing.
7942 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7944 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7945 new expression in the requested machine mode.
7947 2006-02-13 Roger Sayle <roger@eyesopen.com>
7949 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7950 directly, instead let do_compare_rtx_and_jump handle this for us.
7951 * expr.c (expand_expr_real_1): Likewise.
7952 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7953 before do_jump_by_parts_greater.
7954 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7955 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7957 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7959 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7961 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7963 PR rtl-optimization/26235
7964 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7965 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7968 2006-02-13 Jeff Law <law@redhat.com>
7970 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7973 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7976 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7977 twice if decl is a builtin. When trying again, call get_callee_fndecl
7978 first to verify it is still a builtin.
7980 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7982 * dwarf2out.c (base_type_die): Don't add AT_name here.
7983 (subrange_type_die): Don't add AT_name here.
7984 (modified_type_die): Rearrange code flow. Do add AT_name here.
7986 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7988 PR rtl-optimization/26247
7989 PR rtl-optimization/26248
7990 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7992 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7994 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7995 * config/fixtfdi.c: Likewise.
7996 * config/fixunstfdi.c: Likewise.
7997 * config/floatditf.c: Likewise.
7999 2006-02-13 Roger Sayle <roger@eyesopen.com>
8002 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8003 into (X,C2) if C1 is a subset of the bits of C2. Transform
8004 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8006 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8008 2006-02-13 Josh Conner <jconner@apple.com>
8011 * varasm.c (function_section): Check for section name before
8012 calling select_section on targets that define
8013 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8014 unlikely_text_section instead of hot_function_section if
8015 first_function_block_is_cold.
8017 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8020 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8022 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8024 PR rtl-optimization/26222
8025 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8026 after tree->rtl expansion.
8027 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8028 before passing it to emit_move_insn.
8030 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8032 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8034 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8035 Clarify documentation.
8036 * c-common.h (warn_write_strings): Remove.
8037 * c-common.c (warn_write_strings): Likewise.
8038 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8041 2006-02-12 Roger Sayle <roger@eyesopen.com>
8044 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8045 (do_jump_parts_zero_rtx): New function renamed from
8046 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8047 (do_jump_parts_equality_rtx): New function split out from
8048 do_jump_parts_equality. Old implementation renamed as above.
8049 Call do_jump_parts_zero_rtx if either operand is zero.
8050 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8051 do all of the heavy lifting.
8052 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8053 calling either do_jump_by_parts_greater_rtx or
8054 do_jump_by_parts_equality_rtx.
8055 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8056 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8057 moved to do_compare_rtx_and_jump, call it directly.
8058 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8059 mode argument. Call do_compare_rtx_and_jump.
8060 (emit_case_nodes): Update calls to do_jump_if_equal.
8062 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8064 PR rtl-optimization/26225
8065 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8067 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8069 PR rtl-optimization/26232
8070 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8072 2006-02-11 Jason Merrill <jason@redhat.com>
8075 * tree-inline.c (declare_return_variable): Just don't use the
8076 modify target if it's a gimple complex reg and the return slot
8079 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8081 * doc/contrib.texi: Update my entry.
8083 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8085 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8087 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8089 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8092 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8094 * doc/invoke.texi (-floop-optimize2): Removed.
8095 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8096 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8097 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8098 * common.opt (floop-optimize2): Removed.
8099 (fmove-loop-invariants): Enabled by default.
8101 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8103 * tree-if-conv.c (combine_blocks): Free the result of
8104 get_loop_exit_edges.
8106 2006-02-10 Jeff Law <law@redhat.com>
8108 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8110 PR tree-optimization/26213
8111 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8112 loop trying to follow SSA_NAME_VALUE chains.
8114 2006-02-10 Richard Guenther <rguenther@suse.de>
8116 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8117 deal with structures that end in implicitly variable sized arrays.
8119 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8121 PR rtl-optimization/24762
8122 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8125 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8127 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8128 (struct ivopts_data): Add regs_used field.
8129 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8130 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8131 instead of loop_data->regs_used;
8132 (free_loop_data): Do not free aux fields for loops.
8133 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8134 and tree_ssa_iv_optimize_finalize.
8136 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8138 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8140 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8143 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8144 computing the effective result type.
8146 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8149 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8150 (tree_overlaps_hard_reg_set): Declare.
8151 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8152 type and signature to match function type expected by walk_tree.
8153 (tree_overlaps_hard_reg_set): New function.
8154 (decl_conflicts_with_clobbers_p): Rename to:
8155 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8156 Use tree_overlaps_hard_reg_set. Changed caller.
8157 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8158 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8159 * cris.c (cris_md_asm_clobbers): Likewise.
8161 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8163 * reload1.c (emit_input_reload_insns): Delete code that tries to
8164 inherit using find_equiv_reg.
8166 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8168 * c-common.h (flag_const_strings): Don't declare.
8169 * c-common.c (flag_const_strings): Remove.
8170 * c.opt (fconst_strings): Remove.
8171 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8172 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8173 (c_common_init_options): Don't set flag_const_strings.
8174 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8176 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8178 * arm.md (tlobits_cbranch): New pattern.
8179 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8180 testing a single bit.
8182 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8185 * tree-ssa-pre.c (create_component_ref_by_pieces):
8186 Handle RETURN_DECL like VAR_DECL.
8188 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8191 * fold-const.c (fold_indirect_ref_1): Fold
8192 "*(foo *)&complexfoo" to "__real__ complexfoo"
8193 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8195 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8197 * tree-flow-inline.h (var_can_have_subvars):
8198 Volatile variables should not have subvariables.
8200 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8203 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8204 multiplying unsigned values.
8207 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8209 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8211 2006-02-08 Jason Merrill <jason@redhat.com>
8214 * tree.def: Elaborate on difference from MODIFY_EXPR.
8215 * doc/c-tree.texi (INIT_EXPR): Likewise.
8216 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8217 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8218 (gimplify_target_expr): Likewise.
8219 (gimplify_cond_expr): Remove target handling.
8220 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8221 (gimplify_expr): Clobber it here.
8222 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8223 Do return slot optimization if we have an INIT_EXPR.
8226 * tree-inline.c (declare_return_variable): Also clear
8227 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8230 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8233 * gimplify.c (gimplify_one_sizepos): Fix typo.
8235 2006-02-08 Jeff Law <law@redhat.com>
8237 PR tree-optimization/21417
8238 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8239 across a backedge if the control statement at the end of the
8240 block is data dependent on other statements in the same block.
8241 (record_temporary_equivalences_from_stmts): Remove over-conservative
8242 test for threading across backedges.
8244 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8245 control statement, handle all three special cases in the same
8246 manner as they all have the same desired solution. No longer
8247 special case edge flag updating when the post dominator is
8250 2006-02-08 Roger Sayle <roger@eyesopen.com>
8252 * tree.def (CHAR_TYPE): Remove.
8253 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8254 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8255 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8256 (gen_string_type_die): Delete unreachable function.
8258 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8259 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8260 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8261 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8262 * builtins.c (type_to_class): Likewise.
8263 * fold-const.c (fold_convert, build_range_check,
8264 merge_ranges): Likewise.
8265 * expr.c (count_type_elements): Likewise.
8266 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8267 * stor-layout.c (layout_type): Likewise.
8268 * ipa-type-escape.c (type_to_consider): Likewise.
8269 * gimplify.c (omp_firstprivatize_type_sizes,
8270 gimplify_type_sizes): Likewise.
8271 * explow.c (promote_mode): Likewise.
8272 * tree-sra.c (is_sra_scalar_type): Likewise.
8273 * varasm.c (output_constant): Likewise.
8274 * tree-inline.c (remap_type_1): Likewise.
8275 * convert.c (convert_to_pointer, convert_to_real,
8276 convert_to_integer, convert_to_complex): Likewise.
8278 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8280 * df-scan.c (df_def_record_1): A set destination may
8281 be a parallel regardless of mode.
8283 2006-02-08 Roger Sayle <roger@eyesopen.com>
8286 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8287 * config/mips/_tilib.c: Remove.
8288 * config/fixtfdi.c: New libgcc source file.
8289 * config/fixunstfdi.c: New source file.
8290 * config/floatditf.c: New source file.
8291 * config/floatunditf.c: New souce file.
8292 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8293 files above instead of config/mips/_tilib.c.
8294 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8296 2006-02-08 Jeff Law <law@redhat.com>
8298 PR tree-optimization/26169
8299 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8302 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8304 * df.h (DF_REG_SIZE): Return the length of the initialized
8307 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8309 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8310 __muldf3): Return a correctly signed zero.
8312 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8314 * passes.c (register_one_dump_file): Accept the current properties
8315 instead of pass number. Adjust call to dump_register. Remove
8317 (register_dump_files): Now a wrapper around...
8318 (register_dump_files_1): ... this one. Do not modify the pass
8320 (next_pass_1): Cosmetic fix.
8321 (execute_todo): Keep second parameter only. Use curr_properties
8322 instead of fetching it from the pass structure. Check and set
8324 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8325 instead of fetching it from the pass structure. Fix calls to
8326 execute_todo. Update curr_properties and initialize .vcg RTL dump
8327 after running the pass. Reset last_verified.
8328 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8330 (FIRST_AUTO_NUMBERED_DUMP): New.
8331 (dump_register): Remove "num" parameter, assign it within the
8333 (get_dump_file_name): Modify template for dumps.
8334 * tree-dump.h (dump_register): Adjust prototype.
8335 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8336 (PROP_trees): Add PROP_gimple_lomp.
8337 (TODO_set_props): New.
8338 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8339 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8340 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8342 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8344 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8345 (sparc64-*-linux*): Likewise.
8346 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8347 * config/sparc/t-linux: New file.
8348 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8349 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8350 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8351 -m32 -mlong-double-128.
8353 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8354 * config/alpha/t-linux: New file.
8355 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8357 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8358 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8359 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8360 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8361 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8362 (CPP_ARCH32_SPEC): Remove.
8364 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8366 PR tree-optimization/26145
8367 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8370 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8373 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8374 >= 240000 when generating code for SOM runtime.
8375 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8376 to $$dyncall when generating code for SOM runtime..
8378 2006-02-07 Dirk Mueller <dmueller@suse.com>
8381 * doc/invoke.texi (-Wsequence-point): Update documentation
8382 that -Wsequence-point is implemented for C++ as well.
8384 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8386 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8387 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8388 (LIB_SPEC): Likewise.
8389 * doc/invoke.texi (SPARC options): Document -pthread.
8391 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8393 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8396 2006-02-07 Roger Sayle <roger@eyesopen.com>
8398 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8399 Correct comment describing BOOLEAN_TYPE.
8401 2006-02-07 Dirk Mueller <dmueller@suse.com>
8403 * c.opt: C++ frontend supports -Wdiv-by-zero.
8404 * c-opts.c (c_common_handle_option): Remove dead case.
8406 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8408 * configure.ac (TLS assembler check): Do not enable TLS by
8409 default on SPARC/Solaris before version 10.
8410 * configure: Regenerate.
8412 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8414 * doc/invoke.texi (xl-compat): Document conversion and support
8417 2006-02-07 Jeff Law <law@redhat.com>
8419 * tree-vrp.c (find_conditional_asserts): Update comments.
8420 (simplify_stmt_for_jump_threading): New.
8421 (identify_jump_threads, finalize_jump_threads): New.
8422 (vrp_finalize): Call identify_jump_threads.
8423 (execute_vrp): Call finalize_jump_threads.
8424 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8425 (vrp_element, vrp_data, vrp_element_p): Remove.
8426 (vrp_hash_elt, vrp_variables_stack): Remove.
8427 (vrp_hash, vrp_eq, record_range): Remove.
8428 (simplify_cond_and_lookup_avail_expr): Remove.
8429 (extract_range_from_cond): Remove.
8430 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8431 (simplify_stmt_for_jump_threading): New.
8432 (dom_thread_across_edge): New wrapper.
8433 (tree_ssa_dominator_optimize): No longer initialize or
8434 finalize any of the VRP datastructures. Remove iteration
8435 step and simplify as a result of removal of iteration step.
8436 (pass_dominator): Perform a cfg cleanup after DOM.
8437 (dom_opt_finalize_block): Use the new common routines
8438 for threading jumps. Simplify stack management slightly.
8439 No longer need to unwind VRP state.
8440 (record_equivalences_from_incoming_edge): No longer record
8442 (eliminate_redundant_computations): No longer call
8443 simplify_cond_and_lookup_avail_expr.
8444 * tree-flow.h (potentially_threadable_block): Prototype.
8445 (thread_across_edge): Likewise.
8446 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8447 (tree-ssa-threadedge.o): Add dependencies.
8448 * tree-ssa-threadedge.c: New file.
8449 * passes.c (init_optimization_passes): Merge PHIs before
8450 calling VRP. Run VRP again late in the SSA optimization pipeline.
8452 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8454 * df-core.c (df_set_blocks): Do not dereference function pointers.
8455 (df_finish1): Likewise.
8456 (df_hybrid_search_forward): Likewise.
8457 (df_hybrid_search_backward): Likewise.
8458 (df_iterative_dataflow): Likewise.
8459 (df_analyze_problem): Likewise.
8460 (df_compact_blocks): Likewise.
8461 (df_dump): Likewise.
8462 * df-scan.c (df_rescan_blocks): Likewise.
8463 (df_record_entry_block_defs): Likewise.
8465 * genconditions.c (write_conditions): Guard the definition of
8466 'insn_conditions' with the check on GCC version.
8467 (write_writer): Guard the traversal 'insn_conditions' with
8468 the check on GCC version.
8470 2006-02-07 Richard Guenther <rguenther@suse.de>
8474 2006-01-30 Richard Guenther <rguenther@suse.de>
8476 * gimplify.c (gimplify_target_expr): Handle easy cases
8477 without creating a temporary.
8479 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8481 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8482 use of float in probability computations. Use edge probabilities
8483 in place of statically computed probabilities.
8484 (min_spec_prob): New static variable.
8485 (schedule_insns): Initialize it.
8486 (GET_SRC_PROB): Removed.
8487 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8489 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8492 * config/ia64/unwind-ia64.c: Revert last change.
8493 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8494 (INCOMING_FRAME_SP_OFFSET): Define.
8496 2006-02-06 Roger Sayle <roger@eyesopen.com>
8498 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8500 2006-02-07 Ben Elliston <bje@au.ibm.com>
8502 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8503 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8504 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8505 (ix86_return_in_memory): Handle TDmode.
8506 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8507 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8509 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8511 * reorg.c (dbr_schedule): Use dump_file instead of file.
8513 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8516 * config/ia64/predicates.md (extr_len_operand): New predicate.
8517 * config/ia64/ia64.md (extv): Tighten constraints.
8519 (*tbit_and_2): Ditto.
8520 (*tbit_and_3): Ditto.
8521 (*tbit_or_2): Ditto.
8522 (*tbit_or_3): Ditto.
8526 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8529 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8531 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8533 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8534 loop_optimizer_init and loop_optimizer_finalize
8535 * tree-ssa-sink.c (execute_sink_code): Ditto.
8536 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8537 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8538 tree_ssa_loop_done): Ditto.
8539 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8540 * sched-ebb.c: Include output.h.
8541 (schedule_ebbs): Do not use dump argument.
8542 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8543 * loop.c (loop_dump_stream): Removed.
8544 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8546 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8547 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8548 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8549 loop_iterations, strength_reduce, record_biv, record_giv,
8550 final_giv_value, check_final_value, check_ext_dependent_givs,
8551 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8552 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8553 dump_file instead of loop_dump_stream.
8554 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8556 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8558 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8559 * haifa-sched.c: Include output.h
8560 (schedule_insns, sched_init): Do not use dump argument.
8561 * mode-switching.c (optimize_mode_switching): Ditto.
8562 * modulo-sched.c (stats_file): Removed.
8563 (print_node_sched_params): Do not call argument dump_file.
8564 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8565 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8567 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8569 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8570 rtl_loop_init, rtl_loop_done): Ditto.
8571 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8572 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8574 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8575 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8576 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8577 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8578 * emit-rtl.c (renumber_insns): Ditto.
8579 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8580 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8581 * regclass.c (regclass): Ditto.
8582 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8583 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8584 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8585 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8587 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8588 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8590 * gcse.c (gcse_file, debug_stderr): Removed.
8591 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8592 rest_of_handle_gcse): Do not use dump argument.
8593 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8594 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8595 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8596 compute_code_hoist_vbeinout, compute_code_hoist_data,
8597 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8598 compute_store_table, build_store_vectors, insert_insn_start_bb,
8599 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8600 store_motion): Use dump_file instead of gcse_file.
8601 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8602 * profile.c (profile_dump_file): Removed.
8603 (branch_prob): Use dump_file instead of profile_dump_file.
8604 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8606 * tree-ssa-copy.c (dump_copy_of): Ditto.
8607 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8608 dump file to life_analysis.
8609 * bt-load.c (branch_target_load_optimize): Ditto.
8610 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8612 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8613 regclass, dbr_schedule): Declaration changed.
8614 * sched-int.h (sched_init): Declaration changed.
8615 * tree-profile.c (tree_profile_dump_file): Removed.
8616 (tree_profile_hooks): Removed profile_dump_file hook.
8617 * rtl-profile (rtl_profile_dump_file): Removed.
8618 (rtl_profile_hooks): emoved profile_dump_file hook.
8619 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8621 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8622 * tree-cfg.c (build_tree_cfg): Ditto.
8623 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8624 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8625 Declaration changed.
8626 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8627 life_analysis and schedule_insns.
8628 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8630 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8632 * config/mips/mips.c (mips_reorg): Ditto.
8633 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8636 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8638 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8639 (s390_mangle_fundamental_type): New.
8640 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8643 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8644 (alpha_mangle_fundamental_type): New.
8645 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8648 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8650 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8652 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8653 (sparc_mangle_fundamental_type): New.
8655 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8657 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8658 (s390x-*-linux*): Likewise.
8659 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8660 * config/s390/t-linux: New file.
8662 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8664 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8665 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8667 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8669 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8670 (ANTIC_SAFE_LOADS): New macro.
8671 (find_or_generate_expression): Add prototype.
8672 (set_contains_value): Allow null set for sake of not always having
8673 to allocate ANTIC_SAFE_LOADS.
8674 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8675 Allow COMPONENT_REF too.
8676 (valid_in_set): Allow COMPONENT_REF.
8677 Check ANTIC_SAFE_LOADS too.
8678 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8679 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8681 (can_PRE_operation): Add COMPONENT_REF.
8682 (create_component_ref_by_pieces): New function.
8683 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8684 (insert_aux): Move AGGREGATE_TYPE_P check here.
8685 (compute_avail): Set bb local stmt uids.
8686 (pass_pre): Use TODO_update_ssa_only_virtuals.
8688 2006-02-06 Ben Elliston <bje@au.ibm.com>
8690 * configure.ac: Unconditionally disable decimal float by default.
8691 * configure: Regenerate.
8693 2006-02-06 Ben Elliston <bje@au.ibm.com>
8695 * read-rtl.c (read_name): Terminate reading on EOF.
8697 2006-02-06 Ben Elliston <bje@au.ibm.com>
8699 * dfp.c (decimal_real_arithmetic): Change second argument type
8700 from int to enum tree_code. Do not always return true, but now
8701 return result of any call to decimal_do helper functions.
8702 * dfp.h (decimal_real_arithmetic): Update prototype.
8704 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8706 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8708 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8711 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8714 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8716 * tree-vrp.c (cfg_loops): Removed.
8717 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8718 Use current_loops instead of cfg_loops. Pass flags to
8719 loop_optimizer_init.
8720 * cfgloopmanip.c (fix_loop_structure): Update only available
8722 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8723 loop_optimizer_init.
8724 * modulo-sched.c (build_loops_structure): Removed.
8725 (sms_schedule): Use loop_optimizer_init.
8726 * loop-init.c (loop_optimizer_init): Use flags to determine
8727 which properties of loops to prepare.
8728 (rtl_loop_init): Pass flags to loop_optimizer_init.
8729 * tree-ssa-sink.c (execute_sink_code): Ditto.
8730 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8731 * tree-ssa-pre.c (init_pre): Ditto.
8732 * cfgloop.h (LOOPS_NORMAL): New.
8733 (loop_optimizer_init): Declaration changed.
8735 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8737 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8738 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8740 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8742 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8744 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8745 * pa/t-pa64: Delete quadlib.c rule.
8746 * pa/x-ada: Revert last change.
8747 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8749 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8751 PR rtl-optimization/26087
8752 * rtlanal.c (canonicalize_condition): Do not cross basic block
8755 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8758 * config/ia64/ia64.c: Include debug.h.
8759 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8760 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8761 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8762 (process_epilogue, process_set, process_for_unwind_directive):
8763 Output unwind info only if requested. Add CFA info if requested.
8764 Add new arguments as needed. Adjust callers.
8765 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8767 (DWARF2_FRAME_INFO): Define to zero.
8768 * config/ia64/unwind-ia64.c: Remove code that compensated for
8769 the CFA offset error fixed above.
8770 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8771 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8772 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8773 -funwind-tables and -fexceptions to enable frame info.
8774 (dwarf2out_frame_init): Define initial CFA even if
8775 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8776 DWARF2_UNWIND_INFO is nonzero, not just defined.
8777 (dwarf2out_frame_finish): Output non-EH call frame info only
8778 if DWARF2_FRAME_INFO is nonzero.
8779 (convert_cfa_to_loc_list,
8780 compute_frame_pointer_to_cfa_displacement): Define even if
8781 unwind info is not supported.
8782 (gen_subprogram_die): Use the above unconditionally. Remove
8783 legacy alternate code.
8784 * toplev.c (compile_file): Compile in call to
8785 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8786 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8788 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8789 Jakub Jelinek <jakub@redhat.com>
8791 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8792 IBM extended float format long double as "g" on powerpc*-linux.
8794 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8797 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8798 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8800 2006-02-03 Jason Merrill <jason@redhat.com>
8803 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8806 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8807 on the return slot if it's an NRV.
8809 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8811 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8812 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8813 rewrite_use): Do not handle USE_OUTER.
8814 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8815 add_iv_outer_candidates, may_replace_final_value,
8816 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8817 (find_interesting_uses_op): Functionality of
8818 find_interesting_uses_outer_or_nonlin moved here.
8819 (find_interesting_uses_outside): Use find_interesting_uses_op.
8821 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8824 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8826 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8827 Ulrich Weigand <uweigand@de.ibm.com>
8830 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8831 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8832 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8833 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8835 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8836 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8837 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8838 Define secondary reloads for TFmode moves.
8839 (constant_modes): Add TFmode.
8840 (NR_C_MODES): Set to 8.
8841 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8843 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8844 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8845 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8846 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8847 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8848 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8849 (FPR mode macro): Add TFmode.
8850 (DSF mode macro): New.
8851 (<de>, <dee> mode attributes): Removed.
8852 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8853 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8854 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8855 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8856 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8857 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8858 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8859 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8860 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8861 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8862 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8863 "*negabs<mode>2", "sqrt<mode>2"):
8864 Changed <de> to <xde>. R constraint replaced by <Rf>.
8865 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8867 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8868 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8869 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8871 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8872 "extenddftf2", "extendsftf2"): New expanders.
8873 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8874 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8875 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8876 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8878 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8879 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8880 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8881 __floatditf): Add a GCC_4.1.0 symbol version tag.
8882 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8885 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8888 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8889 Use targetm.binds_local_p instead of TREE_PUBLIC.
8891 2006-02-02 Roger Sayle <roger@eyesopen.com>
8893 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8894 on INTEGER_TYPEs to indicate that it denotes a character type.
8895 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8896 signed_char_type_node, unsigned_char_type_node and char_type_node.
8897 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8898 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8899 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8901 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8902 Daniel Berlin <dberlin@dberlin.org>
8904 * tree-tailcall.c (arg_needs_copy_p): New function.
8905 (eliminate_tail_call): Use arg_needs_copy_p.
8906 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8907 (add_virtual_phis): New function.
8909 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8911 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8912 #ignore instead of #scratch for %g7 .register directive.
8914 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8916 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8919 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8921 * flow.c (calculate_global_regs_live): Assert that there aren't any
8924 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8926 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8928 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8929 bsi_after_labels iterator.
8930 * tree-if-conv.c (find_phi_replacement_condition,
8931 replace_phi_with_cond_modify_expr): Likewise.
8932 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8933 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8935 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8937 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8939 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8942 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8943 array after growing it.
8945 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8948 * fold-const.c (fold_checksum_tree): Change type of buf.
8950 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8952 * reload.c (push_secondary_reload): Initialize t_icode.
8954 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8956 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8957 -msoft-float -mlong-double-128 only issue a warning, but don't
8958 swich to DFmode long double.
8960 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8962 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8963 has a constant equivalent, iterate over equivalents for arg0,
8964 calling simplify_relational_operation and if there's a result
8965 cheaper than X, apply fold_rtx and return the result.
8967 2006-02-01 Jan Hubicka <jh@suse.cz>
8969 * opts.c (no_unit_at_a_time_default): New global variable.
8970 (decode_options): Use it.
8971 * opts.h (no_unit_at_a_time_default): Declare.
8973 2006-02-01 Paul Brook <paul@codesourcery.com>
8975 * function.c (assign_parm_setup_reg): Use function argument promotion
8977 * expr.c (expand_expr_real_1): Use function argument promotion rules
8980 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8982 * gcc.c (process_command): Change j to 'unsigned int'.
8984 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8987 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8988 Use the corrected index for the character
8989 out of the string constant.
8991 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8993 * mode-switching.c (optimize_mode_switching): Fix size
8994 allocated for bb_info[n_entities].
8996 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8998 * gcc.c (main): Correct type that is allocated for
8999 explicit_link_files.
9001 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9003 * config/s390/s390.c (init_alignment_context): Set
9004 ALIAS_SET_MEMORY_BARRIER on the MEM.
9005 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9007 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9010 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9012 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9015 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9017 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9018 * regrename.c: Ditto.
9019 * tree-ssa-loop-im.c: Ditto.
9020 * tree-dump.c: Ditto.
9021 * tree-complex.c: Ditto.
9022 * genrecog.c: Ditto.
9023 * tree-ssa-threadupdate.c: Ditto.
9025 * java/class.c: Ditto.
9026 * java/jcf-parse.c: Ditto.
9027 * java/resource.c: Ditto.
9028 * java/except.c: Ditto.
9029 * java/jvspec.c: Ditto.
9030 * java/jcf-write.c: Ditto.
9031 * java/jcf-path.c: Ditto.
9032 * java/gjavah.c: Ditto.
9033 * java/zextract.c: Ditto.
9034 * java/jcf-io.c: Ditto.
9035 * java/jcf.h: Ditto.
9036 * java/buffer.c: Ditto.
9037 * java/lang.c: Ditto.
9038 * java/parse-scan.y: Ditto.
9039 * java/lex.c: Ditto.
9040 * java/lex.h: Ditto.
9041 * cfgloopmanip.c: Ditto.
9042 * postreload-gcse.c: Ditto.
9043 * tree-ssa-loop-manip.c: Ditto.
9044 * postreload.c: Ditto.
9045 * tree-ssa-loop-ch.c: Ditto.
9049 * diagnostic.c: Ditto.
9051 * genoutput.c: Ditto.
9053 * cfghooks.c: Ditto.
9054 * cfgloopanal.c: Ditto.
9055 * objc/objc-act.c: Ditto.
9057 * genextract.c: Ditto.
9058 * genautomata.c: Ditto.
9059 * pretty-print.c: Ditto.
9061 * cgraphunit.c: Ditto.
9064 * haifa-sched.c: Ditto.
9065 * dominance.c: Ditto.
9067 * tree-ssa-loop-ivopts.c: Ditto.
9069 * mode-switching.c: Ditto.
9070 * modulo-sched.c: Ditto.
9072 * ipa-pure-const.c: Ditto.
9074 * fix-header.c: Ditto.
9076 * tree-stdarg.c: Ditto.
9077 * ipa-utils.c: Ditto.
9078 * loop-init.c: Ditto.
9079 * ipa-inline.c: Ditto.
9082 * alloc-pool.c: Ditto.
9083 * dwarf2out.c: Ditto.
9085 * genattrtab.c: Ditto.
9086 * tree-ssa-loop-ivcanon.c: Ditto.
9090 * fortran/gfortranspec.c: Ditto.
9092 * local-alloc.c: Ditto.
9093 * langhooks.c: Ditto.
9094 * function.c: Ditto.
9095 * tree-vectorizer.c: Ditto.
9097 * ipa-type-escape.c: Ditto.
9099 * tree-if-conv.c: Ditto.
9102 * tree-data-ref.c: Ditto.
9103 * loop-unroll.c: Ditto.
9104 * treelang/treetree.c: Ditto.
9107 * ggc-common.c: Ditto.
9109 * coverage.c: Ditto.
9111 * tree-cfgcleanup.c: Ditto.
9112 * tree-ssa-pre.c: Ditto.
9113 * cfgcleanup.c: Ditto.
9114 * loop-invariant.c: Ditto.
9116 * ipa-prop.c: Ditto.
9117 * print-tree.c: Ditto.
9118 * conflict.c: Ditto.
9119 * ggc-page.c: Ditto.
9120 * sched-deps.c: Ditto.
9121 * regclass.c: Ditto.
9122 * tree-object-size.c: Ditto.
9124 * bb-reorder.c: Ditto.
9125 * resource.c: Ditto.
9126 * var-tracking.c: Ditto.
9128 * df-problems.c: Ditto.
9129 * reg-stack.c: Ditto.
9132 * sched-rgn.c: Ditto.
9133 * tree-ssa-structalias.c: Ditto.
9134 * tree-ssa-reassoc.c: Ditto.
9135 * config/darwin-c.c: Ditto.
9136 * config/darwin.c: Ditto.
9137 * config/arm/arm.c: Ditto.
9139 * collect2.c: Ditto.
9142 2006-01-31 Nicolas Pitre <nico@cam.org>
9144 * arm.md (smaxsi3): Make aware of smax_m1.
9147 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9149 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9151 2006-01-31 Richard Guenther <rguenther@suse.de>
9153 * doc/invoke.texi (-msselibm): Document.
9154 * target.h (expand_library_builtin): New target hook.
9155 * builtins.c (expand_builtin): Use expand_library_builtin.
9156 (default_expand_library_builtin): New function.
9157 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9158 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9159 (link_gcc_math_spec): Declare.
9160 (static_specs): Add link_gcc_math_spec.
9161 * expr.h (default_expand_library_builtin): Declare.
9162 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9163 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9164 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9165 * config/i386/i386.opt (msselibm): New target option.
9166 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9167 (ix86_init_sse_abi_builtins): New function.
9168 (ix86_expand_library_builtin): Likewise.
9169 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9170 (override_options): Handle error conditions wrt -msselibm.
9171 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9172 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9173 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9176 2006-01-31 Richard Guenther <rguenther@suse.de>
9177 Paolo Bonzini <bonzini@gnu.org>
9179 * doc/install.texi (--disable-libgcc-math): Document.
9181 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9183 * expr.h (expand_normal): new inline function.
9184 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9186 * dwarf2out.c: use it.
9191 * config/sparc/sparc.c: use it.
9192 * config/i386/i386.c: use it.
9193 * config/rs6000/rs6000.c: use it.
9194 * config/arm/arm.c: use it.
9195 * config/mips/mips.c: use it.
9196 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9198 2006-01-30 Roger Sayle <roger@eyesopen.com>
9200 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9201 argv to the appropriate type.
9203 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9205 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9208 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9211 * config/s390/s390.c (struct machine_function): New flag
9212 decomposed_literal_pool_addresses_ok_p.
9213 (s390_reorg): Set it before final stage of literal pool transforms.
9214 (s390_decompose_address): Only accept displacements of the form
9215 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9217 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9219 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9220 the comparison routine return.
9222 2006-01-30 Michael Matz <matz@suse.de>
9224 * global.c (find_reg): Only evict for global regs.
9225 Take n_refs into account and dump more info.
9227 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9230 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9231 (pragma_trap, pragma_nosave_low_regs): Likewise.
9232 (current_function_anonymous_args): Likewise.
9233 (sh_deferred_function_attributes): New variable.
9234 (sh_deferred_function_attributes_tail): Likewise.
9235 (print_operand): For '@', look up trap_exit attribute.
9236 (calc_live_regs): Look up trapa_handler attribute. For trapa
9237 handlers, save/restore fpscr, but don't do any other
9238 interrupt-specific saves.
9239 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9240 Fix check for partially saved registers to check for SHmedia.
9241 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9242 (sh_output_function_epilogue): Don't clear any of the removed
9244 (sh_insert_attributes): Don't check pragma_interrupt.
9245 Insert deferred attributes. Check that interrupt attribute is
9246 present for other attributes that require its presence.
9247 (sh_attribute_table): Add new attributes trapa_handler and
9249 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9250 Don't check for pragma_interrupt. Don't store argument.
9251 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9252 (sh_deferred_function_attributes): Declare.
9253 (sh_deferred_function_attributes_tail): Likewise.
9254 * sh.md (sp_switch_1): Add operand. Change generator caller.
9255 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9256 (*return_i): Don't use when trap_exit attribute is in effect.
9257 (*return_trapa): New insn pattern.
9259 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9260 setting c_target_objs and cxx_target_objs.
9261 * t-sh: Add rule for sh-c.o.
9263 2006-01-30 Richard Guenther <rguenther@suse.de>
9266 * gimplify.c (gimplify_target_expr): Handle easy cases
9267 without creating a temporary.
9269 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9271 * vec.h (safe_grow): Remove duplicated line.
9273 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9276 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9277 (expand_omp): ... here.
9278 (expand_omp_parallel): Only remove barriers for combined
9279 parallel+workshare constructs.
9281 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9285 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9286 * tree.c (build_qualified_type): Chain the new type to the original
9287 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9288 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9289 (build_pointer_type_for_mode): Only return unqualified types.
9290 (build_reference_type_for_mode): Likewise.
9292 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9294 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9295 * Makefile.in (CXX_COMPAT_WARN): Define.
9296 * configure: Regenerate.
9298 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9301 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9304 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9306 * toplev.c: Fix thinko.
9308 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9309 Marcin Dalecki <martin@dalecki.de>
9311 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9312 (push_srcloc): Use XNEW.
9313 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9315 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9317 * df-core.c (df_set_blocks): Deleted all variable.
9319 2006-01-28 Ian Lance Taylor <ian@airs.com>
9321 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9322 cgraph_output_pending_asms.
9324 2006-01-28 Zack Weinberg <zackw@panix.com>
9326 * c.opt: Add -W(no-)overlength-strings.
9327 * doc/invoke.texi: Document it.
9328 * c-opts.c (c_common_handle_option): -pedantic implies
9329 -Woverlength-strings, if not explicitly disabled already.
9330 (c_common_post_options): -Woverlength-strings defaults to off, and
9331 is always off for C++.
9332 * c-common.c (fix_string_type): Issue warning about strings longer
9333 than is portable only if warn_overlength_strings. Rearrange code
9334 a little for clarity.
9335 * configure.in: Check for -Wno-overlength-strings as well before
9336 enabling -pedantic in stage 1.
9337 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9338 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9340 * genconditions.c (write_header, write_one_condition)
9341 (write_conditions, write_writer): Consolidate very long strings
9342 that were broken up to fit in C89 portable limit. Don't use
9343 printf when fputs will do.
9345 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9347 * combine.c (simplify_comparison <AND>): Check
9348 TRULY_NOOP_TRUNCATION before start using a subreg.
9350 * config/mips/mips.md (*branch_zero<mode>,
9351 *branch_zero<mode>_inverted, *branch_equality<mode>,
9352 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9353 Remove mode check from comparisons.
9355 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9357 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9359 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9361 * expmed.c (const_mult_add_overflow_p): Remove.
9362 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9364 * recog.c (validate_replace_rtx_subexp): Remove.
9365 * recog.h: Remove the prototype for
9366 validate_replace_rtx_subexp.
9368 * integrate.h: Remove the prototype for
9369 copy_decl_for_inlining.
9370 * rtl.h: Remove the prototype for mark_constant_function.
9371 * tree-vectorizer.h: Remove the prototype for
9372 vect_strip_conversion.
9374 * modulo-sched.c (create_partial_schedule,
9375 free_partial_schedule, reset_partial_schedule): Make them
9378 * hooks.c (hook_bool_rtx_int_false): Remove.
9379 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9381 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9383 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9384 and -mlong-double-128 are incompatible.
9385 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9386 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9387 (TARGET_LIBGCC2_CFLAGS): Define.
9388 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9389 (TARGET_LIBGCC2_CFLAGS): Same.
9390 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9392 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9395 * c-typeck.c (build_binary_op): Perform implicit casts of
9396 operands before shortening them.
9398 * cfgloopmanip.c (split_loop_bb): Remove.
9399 * cfgloop.h: Remove the prototype for split_loop_bb.
9401 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9402 * cfgloop.h: Remove the prototype for
9403 flow_loop_outside_edge_p.
9405 * emit-rtl.c (init_virtual_regs): Make it static.
9406 * function.h: Remove the prototype for init_virtual_regs.
9408 * recog.c (peephole2_optimize): Make it static.
9409 * recog.h: Remove the prototype for peephole2_optimize.
9411 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9413 * df-scan.c (df_record_entry_block_defs): Check if
9414 INCOMING_RETURN_ADDR_RTX is defined.
9416 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9417 Kenneth Zadeck <zadeck@naturalbridge.com>
9419 PR rtl-optimization/24762
9420 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9421 * targhooks.c (hook_void_bitmap): New hook prototype.
9422 * targhoohs.h (hook_void_bitmap): Ditto.
9423 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9424 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9425 * target.h (live_on_entry): New function pointer.
9426 * df-scan.c (df_all_hard_regs): Removed.
9427 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9428 (df_scan_free_internal): Added df->entry_block_defs.
9429 (df_scan_alloc): Ditto.
9430 (df_scan_dump): Ditto.
9431 (df_uses_record): Plumbed flag field properly thru calls.
9432 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9433 This part fixes PR24762.
9434 (df_bb_refs_record): Added code to make the frame and arg
9435 pointers live in EH blocks.
9436 (df_refs_record): Added call to df_record_entry_block_defs.
9437 (df_record_entry_block_defs): New function.
9438 * df-core.c: Added comments to describe new artifical defs.
9439 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9440 (entry_block_defs): New field in struct df.
9441 (df_all_hard_regs): Deleted.
9442 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9443 * df-problems.c (df_ru_bb_local_compute_process_def):
9444 Added code to handle artifical defs in the entry to a function.
9445 (df_ru_bb_local_compute): Ditto.
9446 (df_rd_bb_local_compute_process_def): Ditto.
9447 (df_rd_bb_local_compute): Ditto.
9448 (df_lr_bb_local_compute): Ditto.
9449 (df_ur_bb_local_compute): Ditto.
9450 (df_urec_bb_local_compute): Ditto.
9451 (df_chain_create_bb): Ditto.
9452 (df_ur_local_finalize): Removed entry.
9453 (df_urec_init): Ditto.
9454 (df_urec_local_finalize): Ditto.
9455 (df_ri_bb_compute): Added detection of last use of pseudos.
9456 * Makefile.in (df-scan.o): Updated dependencies.
9457 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9458 * config/mips/mips.c (mips_set_live_on_entry): Added.
9459 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9461 * dce.c (marked_insn_p): Added code to handle artifical defs.
9463 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9465 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9467 (_mm_cvtsi128_si64): Likewise.
9468 (_mm_cvtsd_si64): Likewise.
9469 (_mm_cvttsd_si64): Likewise.
9470 (_mm_cvtsi64_sd): Likewise.
9471 (_mm_cvtsi64_si128): Likewise.
9472 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9473 (_mm_cvtsi64_m64): Likewise.
9474 (_m_to_int64): Likewise.
9475 (_mm_cvtm64_si64): Likewise.
9476 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9477 (_mm_cvttss_si64): Likewise.
9478 (_mm_cvtsi64_ss): Likewise.
9479 (_mm_cvtss_f32): Likewise.
9481 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9483 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9484 for pragma redefine_extname.
9486 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9489 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9490 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9491 -mno-minimal-toc to previous content.
9492 (bispecs): Remove goal.
9493 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9494 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9495 compatibility aliases on powerpc-*-*gnu*.
9496 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9497 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9498 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9499 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9500 (ldblspecs): New goal.
9501 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9502 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9504 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9505 L_sf_to_tf or L_df_to_tf is defined.
9507 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9508 Alan Modra <amodra@bigpond.net.au>
9511 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9512 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9513 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9514 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9515 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9516 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9517 (rs6000_override_options): Initialize rs6000_ieeequad.
9518 Initialize TFmode format to ibm_extended_format if not
9520 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9522 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9523 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9524 (function_arg_advance): IBM long double passed in two FPRs, not
9526 (function_arg): IBM long double passed in FPRs.
9527 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9528 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9529 Only multireg GPR aligned.
9530 (rs6000_init_libfuncs): Enable IBM long double functions if not
9532 (rs6000_generate_compare): Use IBM long double compare if not
9534 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9535 (TARGET_IEEEQUAD): Define.
9536 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9537 not TARGET_IEEEQUAD.
9538 * config/rs6000/rs6000.md: Enable TFmode patterns if
9540 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9541 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9542 and -mlong-double-128 are incompatible.
9543 * doc/invoke.texi (-mabi): Collect options together. Add
9544 ibmlongdouble and ieeelongdouble.
9546 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9548 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9550 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9551 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9552 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9553 * rtl.h (rtunion_def): Remove rt_ptr.
9555 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9556 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9557 * config/i386/winnt.c (i386_pe_mark_dllexport)
9558 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9560 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9562 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9564 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9568 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9569 pthread_key_delete. From John David Anglin. gthrw-ify
9570 pthread_getunique_np only if it it's not a macro. Delete
9572 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9573 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9574 __gthread_objc_condition_signal, __gthread_key_delete): Add
9575 "__attribute__ ((__unused__))" to unused arguments.
9576 (__gthread_recursive_mutex_init_function): Add missing return.
9577 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9578 gthr-posix95.h: Use macro-based approach for name redirection
9579 on targets missing weakref.
9581 2006-01-26 Zack Weinberg <zackw@panix.com>
9583 * genconditions.c (write_header): In generated code, #ifdef out
9584 all includes and fake declarations, except includes of bconfig.h
9585 and system.h, unless GCC_VERSION >= 3001. Do not include
9586 gensupport.h in any case.
9587 (write_conditions): Generate a definition of struct c_test. Add
9588 a comment to the generated #endif.
9589 (write_one_condition): Escape backslashes in string too.
9590 (write_writer): Generated code must escape backslashes and quote
9591 marks (but not newlines) in the strings it writes.
9592 * Makefile.in (build/gencondmd.o): Update dependencies.
9594 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9597 * Makefile.in (insn-automata.o): Add header file dependencies.
9598 * genautomata.c: Add includes.
9600 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9603 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9605 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9607 * configure.ac: Expect target tools paths to be passed from the toplevel
9608 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9610 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9612 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9615 * c.opt (Wpointer-sign): Init to -1.
9616 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9617 OPT_pedantic, to 0 otherwise.
9618 * doc/invoke.texi: Update.
9620 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9622 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9623 constants provided by 80387 instructions in the destination mode.
9625 2006-01-26 Richard Guenther <rguenther@suse.de>
9626 Andrew Pinski <pinskia@physics.uc.edu>
9629 partial PR tree-opt/17064
9630 * tree-ssa-structalias.c (intra_create_variable_infos):
9631 Create heap variables for incoming parameters if
9632 flag_argument_noalias > 1.
9633 (find_what_p_points_to): Look through default defs of
9636 2006-01-26 Jeff Law <law@redhat.com>
9639 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9640 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9641 within the VR_RANGE, use the VR_RANGE as the result, not the
9643 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9644 bounds for the type.
9646 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9648 * tree-ssa-alias.c (maybe_create_global_var): Change
9649 subvar walking to an assertion that we don't have subvar'd variables.
9651 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9654 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9655 Use a new variable, inner. PARM_DECLs are always non-weak.
9657 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9659 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9662 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9664 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9666 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9668 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9669 (smax_insn, smin_insn, smax_0, smin_0): New.
9671 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9674 * config/cris/cris.c (cris_order_for_addsi3): New function.
9675 * config/cris/cris-protos.h: Prototype it.
9676 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9677 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9678 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9679 (split for "op.S1 [rx=rx+i],ry (swapped)")
9680 (split for "op(s|u).S1 [rx=rx+i],ry")
9681 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9682 Apply cris_order_for_addsi3 when generating addsi3 insns.
9684 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9686 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9687 (TREE_BLOCK): Add call to EXPR_CHECK.
9689 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9692 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9693 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9694 (dump_omp_clauses): ... here.
9695 (dump_generic_node): Handle OMP_CLAUSE.
9696 * tree.c (omp_clause_num_ops): New.
9697 (omp_clause_code_name): New.
9698 (tree_code_size): Handle OMP_CLAUSE.
9699 (tree_size): Likewise.
9700 (make_node): Document handling of OMP_CLAUSE.
9701 (tree_node_structure): Handle OMP_CLAUSE.
9702 (omp_clause_check_failed): New.
9703 (omp_clause_range_check_failed): New.
9704 (omp_clause_operand_check_failed): New.
9705 (build_omp_clause): New.
9706 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9707 * tree.h (enum omp_clause_code): Declare.
9708 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9709 (OMP_CLAUSE_RANGE_CHECK): Define.
9710 (OMP_CLAUSE_ELT_CHECK): Define.
9711 (omp_clause_check_failed): Declare.
9712 (omp_clause_operand_check_failed): Declare.
9713 (omp_clause_range_check_failed): Declare.
9714 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9715 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9716 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9717 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9718 (OMP_CLAUSE_IF_EXPR): Likewise.
9719 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9720 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9721 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9722 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9723 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9724 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9725 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9726 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9727 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9728 (OMP_CLAUSE_CODE): Define.
9729 (OMP_CLAUSE_SET_CODE): Define.
9730 (OMP_CLAUSE_CODE): Define.
9731 (OMP_CLAUSE_OPERAND): Define.
9732 (struct tree_omp_clause): Declare.
9733 (union tree_node): Add field 'omp_clause'.
9734 * treestruct.def (TS_OMP_CLAUSE): Define.
9735 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9736 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9737 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9738 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9739 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9740 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9741 (OMP_CLAUSE): Define.
9742 * print-tree.c (print_node): Handle OMP_CLAUSE.
9743 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9744 * c-typeck.c: Likewise.
9745 * gimplify.c: Likewise.
9746 * c-omp.c: Likewise.
9747 * tree-nested.c: Likewise.
9748 * tree-inline.c: Likewise.
9749 * c-parser.c: Likewise.
9750 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9753 2006-01-25 Roger Sayle <roger@eyesopen.com>
9755 PR rtl-optimization/25703
9756 * combine.c (try_combine): Handle zero_extract and strict_low_part
9757 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9759 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9761 * global.c: Fix comment typos.
9763 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9766 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9767 Use output_addr_const instead of assemble_name.
9769 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9771 * Makefile.in (sched-vis.o): Update dependencies.
9772 * haifa-sched.c (sched_finish): Clear current_sched_info.
9773 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9774 (dump_flow_info): Call it.
9775 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9777 * basic-block.h (dump_bb_info): Declare.
9778 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9779 option, and apply options only for dump files whose TDF_RTL,
9780 TDF_TREE, or TDF_IPA bits match.
9781 * rtl.h: Declare new functions exported from sched-vis.c.
9782 * sched-vis.c: Enable also if scheduling is not used.
9783 (print_value): Print the mode of registers if not inside scheduling.
9784 (print_insn): Make it work outside the scheduler. Beautify the output
9786 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9788 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9790 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9791 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9792 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9793 depending on the value of CONSTANT_POOL_ADDRESS_P.
9794 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9796 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9797 rather than SYMBOL_REF_DECL.
9798 (rtx_constant_pool): Remove const_rtx_sym_htab.
9799 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9800 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9801 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9802 Remove handling of const_rtx_sym_htab.
9803 (find_pool_constant): Delete.
9804 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9805 rather than find_pool_constant.
9806 (get_pool_constant_for_function): Delete.
9807 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9809 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9810 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9811 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9812 (SYMBOL_REF_CONSTANT): New macro.
9813 (get_pool_constant_for_function): Delete.
9814 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9815 rather than SYMBOL_REF_DECL.
9816 (i386_pe_mark_dllimport): Likewise.
9817 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9818 rather than SYMBOL_REF_DECL.
9819 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9820 (machopic_indirect_call_target): Likewise.
9822 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9824 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9826 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9828 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9830 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9832 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9834 2006-01-24 David Daney <ddaney@avtrex.com>
9837 * configure.ac (enable_tls): New enable option.
9838 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9839 * configure: Regenerate.
9840 * doc/install.texi (--enable-tls): Document new option.
9841 (--disable-tls): Ditto.
9843 2006-01-24 Richard Henderson <rth@redehat.com>
9845 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9846 * alias.c (true_dependence): Respect it.
9847 (canon_true_dependence, write_dependence_p): Likewise.
9848 * builtins.c (get_builtin_sync_mem): Set it.
9850 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9852 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9855 2006-01-24 DJ Delorie <dj@redhat.com>
9857 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9858 for storing constants in single-bit bitfields.
9860 2006-01-25 Ben Elliston <bje@au.ibm.com>
9862 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9864 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9867 * tree-ssa-pre.c (phi_translate): Return NULL
9868 for AGGREGATE_TYPE's.
9870 2006-01-24 Zack Weinberg <zackw@panix.com>
9872 * genautomata.c (process_state_for_insn_equiv_partition):
9873 Use xcalloc for insn_arcs_array.
9874 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9875 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9877 2006-01-24 Richard Henderson <rth@redhat.com>
9879 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9882 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9884 PR rtl-optimization/25890
9885 PR rtl-optimization/25905
9886 * combine.c (expand_compound_operation, expand_field_assignment):
9887 Fail if the bitfield's final position is out of bounds.
9889 2006-01-24 Ian Lance Taylor <ian@airs.com>
9892 * cgraphunit.c (cgraph_output_in_order): Don't clear
9893 cgraph_asm_nodes until after asm strings have been output.
9895 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9897 * fix-header.c (read_scan_file): Add new parameter imultilib when
9898 calling register_include_chains.
9900 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9902 * omp-low.c: Update documentation.
9904 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9905 Daniel Berlin <dberlin@dberlin.org>
9909 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9910 return from the function.
9912 2006-01-22 Zack Weinberg <zackw@panix.com>
9914 * rtl.def (match_code): Add second argument.
9915 * genpreds.c (write_extract_subexp): New function.
9916 (write_match_code): Add path argument. Use write_extract_subexp.
9917 (write_predicate_expr): Pass path to write_match_code.
9918 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9919 not perform a mode test.
9920 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9921 a subexpression does not constrain the top-level code set.
9922 * read-rtl.c (read_rtx_variadic): New function.
9923 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9924 * doc/md.texi: Document new notation.
9925 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9926 (cmpsi_operand): ... here, using new notation.
9928 2006-01-22 Zack Weinberg <zackw@panix.com>
9930 * varray.c: Remove GENERATOR_FILE #ifdefs.
9932 2006-01-22 Zack Weinberg <zackw@panix.com>
9934 * genautomata.c (output_reserved_units_table): Emit nothing if
9935 description->query_units_num is zero. Remove extra blank line.
9936 (output_cpu_unit_reservation_p): Short circuit
9937 if description->query_units_num is zero.
9939 2006-01-22 Zack Weinberg <zackw@panix.com>
9941 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9942 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9943 nor any of the random handful of variables that used to be necessary
9944 when this program was linked with rtlanal.o. Prune set of forward
9945 function declarations.
9946 (struct attr_desc): Remove static_p field.
9947 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9948 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9949 (attr_string): Do not read the character one past the length of
9951 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9952 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9953 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9954 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9955 (make_automaton_attrs): New.
9956 (main): Do not call into genautomata. Call local gen_bypass
9957 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9958 Remove special case for insn_alts.
9959 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9960 varray.h (leftover from previous change). Prune set of forward
9961 function declarations. Remove state_alts fields from all
9962 structures. Remove state_alts_table from struct automaton.
9963 Make everything except main static. Do not maintain num_dfa_decls.
9964 Do not maintain state_alts fields of various structures.
9965 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9966 (add_arc): Remove state_alts argument. All callers updated.
9967 (output_reserved_units_table): Emit #ifdef here...
9968 (output_tables): ...not here. Don't generate state_alts tables.
9969 (expand_automata): Don't generate attributes.
9970 (write_automata): Don't generate state_alts functions.
9971 (main): New function.
9972 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9973 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9974 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9975 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9976 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9977 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9978 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9979 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9981 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9982 * genattrtab.h: Delete file.
9983 * Makefile.in (OBJS-common): Add insn-automata.o.
9984 (insn-automata.o): New rule.
9985 (simple_generated_c): Add insn-automata.c.
9986 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9987 (genprogmd): Add automata.
9988 (build/genattrtab): Needs no extra objects nor libraries.
9989 (build/genautomata): Needs build/vec.o and -lm.
9991 2006-01-22 Zack Weinberg <zackw@panix.com>
9993 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9994 (output_dfa_max_issue_rate, locked_states_num): Delete.
9995 (struct automaton): Add locked_states field.
9996 (output_dead_lock_vect): Save number of locked states in
9997 automaton->locked_states. If it is zero, don't print anything.
9998 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9999 (output_internal_dead_lock_func): Only test the dead_lock_vect
10000 for automata that have locked states.
10001 (output_statistics): Always print the number of locked states for
10002 each automaton. Calculate total number of locked states here.
10003 (write_automata): Don't call output_dfa_max_issue_rate.
10004 * genattrtab.c: Define length_unit_log as a const variable.
10005 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10006 max_insn_queue_index const.
10007 * final.c (length_unit_log): Declare const.
10008 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10010 2006-01-22 Zack Weinberg <zackw@panix.com>
10012 * genautomata.c: Include vec.h, not varray.h.
10013 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10014 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10015 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10016 VEC_* macros operating on appropriately typed vectors, or to
10017 malloced arrays when the size is known in advance. Const-ify
10018 many char* variables and function arguments. No functional changes.
10019 * Makefile.in (build/varray.o): Delete rule.
10020 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10021 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10023 2006-01-22 Zack Weinberg <zackw@panix.com>
10025 * gensupport.c: Define get_insn_name and record_insn_name here.
10026 (read_md_rtx): Call record_insn_name as appropriate.
10027 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10028 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10029 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10031 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10032 (BUILD_VARRAY): Delete.
10033 (genprognormal): Rename genprogmd. Fold in all programs from
10034 genprognoprint; also attrtab.
10035 (build/genattrtab): Just mention genautomata.o and varray.o.
10036 Reorganize a bit, add comments to make the categories clearer.
10038 2006-01-22 Zack Weinberg <zackw@panix.com>
10040 * genconditions.c (condition_table, add_condition): Delete.
10041 (write_conditions): Don't emit n_insn_conditions nor
10042 insn_elision_unavailable. Issue the gcc version #ifdef here,
10043 inside the table, with no #else clause ...
10044 (write_header): ...not here.
10045 (write_writer): New function.
10046 (main): Don't initialize condition_table. Use add_c_test.
10048 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10049 files on the command line.
10050 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10051 Return -1 if there is no entry in the table, don't abort.
10052 (add_c_test, traverse_c_tests): New functions.
10053 * gensupport.h (insn_elision_unavailable, insn_conditions)
10054 (n_insn_conditions): Delete declarations.
10055 (add_c_test, traverse_c_tests): Declare.
10056 * read-rtl.c: Include gensupport.h.
10057 (read_conditions): New function.
10058 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10059 (read_rtx_1): If we get EOF when we were looking for an initial
10060 open paren, return 0. Call read_conditions when appropriate.
10061 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10062 dummy-conditions.o. Eliminate references to insn-conditions.o,
10063 or change them to build/gencondmd.o, as appropriate. Remove
10064 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10065 from $(simple_generated_c). For all files remaining in those
10066 two lists, add insn-conditions.md to the generator command line.
10067 Give insn-constants.h/s-constants their own rules. Add rules
10068 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10069 (build/read-rtl.o): Depend on gensupport.h.
10070 (genprognormal): Include preds.
10071 (genprogearly): Rename genprognoprint; only difference is now that
10072 they don't link with $(BUILD_PRINT).
10073 * dummy-conditions.c: Delete.
10075 2006-01-22 Zack Weinberg <zackw@panix.com>
10077 * genextract.c: Don't include insn-config.h. Do include vec.h.
10078 Declare vectors of int, char, and locstr.
10079 (locstr): New typedef.
10080 (struct extraction): Make all array fields into bare pointers.
10081 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10082 (insn_code_number): Delete.
10083 (accum_extract): New struct.
10084 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10085 (gen_insn): Take insn_code_number as an argument. Use an
10086 accum_extract structure instead of loading data directly into
10087 a struct extraction, and having to know how big it might get.
10088 (walk_rtx): Operate entirely on an accum_extract structure.
10089 (print_path): Avoid unnecessary use of printf.
10090 (print_header): New function, split out of main. Distinguish
10091 more carefully between an unrecognizable insn and an insn that
10092 has the code number of a define_expand.
10093 (main): Pass insn_code_number to gen_insn. Call print_header
10094 only after parsing. Avoid unnecessary use of printf.
10095 * Makefile.in (build/vec.o): New rule.
10096 (build/genextract): Depend on build/vec.o.
10097 (build/genextract.o): Don't depend on insn-config.h.
10099 2006-01-22 Zack Weinberg <zackw@panix.com>
10101 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10102 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10103 practical. Eliminate per-generator-program link rules.
10105 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10107 PR middle-end/24437
10108 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10109 with a call expr to ...
10110 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10112 2006-01-23 Richard Guenther <rguenther@suse.de>
10114 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10115 before make_edge with conditional EDGE_TRUE_VALUE.
10117 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10118 Jan Hubicka <jh@suse.cz>
10119 Richard Guenther <rguenther@suse.de>
10121 PR rtl-optimization/25654
10122 * cfgexpand.c (aggregate_contains_union_type): New function.
10123 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10124 for structure variables that contain a union type.
10126 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10128 * gengtype.c (new_structure): Return the structure.
10129 (create_option): Add an extra "next" argument.
10130 (create_field): New function.
10131 (adjust_field_rtx_def): Use create_option and create_field.
10132 Remove a now-unnecessary call to find_structure.
10133 (adjust_field_tree_def): Likewise.
10134 (note_yacc_type): Remove an unnecessary call to find_structure.
10135 * gengtype.h (new_structure): Return the structure.
10136 (create_option): Add an extra argument.
10137 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10138 (option): Adjust calls to create_option.
10140 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10142 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10144 2006-01-22 Paul Brook <paul@codesourcery.com>
10145 Peter Barada <peter@the-baradas.com>
10147 * config/m68k/m68k.md: Add Coldfire FPU support.
10148 Define FP mode macro and associated attributes.
10149 Use it for float mode patterns.
10150 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10151 (LIBCALL_VALUE): Use m68k_libcall_value.
10152 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10153 (m68k_function_value): Ditto.
10154 (emit_move_sequence): Ditto.
10155 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10156 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10157 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10158 (MULTILIB_EXCEPTIONS): Ditto.
10159 * config/m68k/m68k.opt: Add mcfv4e.
10160 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10161 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10162 (m68k_output_function_prologue): Save ColdFire FPU registers.
10163 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10164 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10165 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10166 ColdFire FPU registers.
10167 (m68k_libcall_value, m68k_function_value): New functions.
10168 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10169 (LIBCALL_VALUE): Use m68k_libcall_value.
10170 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10171 (MASK_COLDFIRE): Add MASK_CFV4E.
10172 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10173 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10174 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10175 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10176 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10177 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10178 * doc/invoke.tex: Document -mcfv4e on m68k.
10180 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10182 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10185 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10188 * c-opts.c (c_common_handle_option): Don't include
10189 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10190 * doc/invoke.texi (C++ Dialect Options): Document that
10191 -Wnon-virtual-dtor is no longer included in -Wall.
10193 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10195 * gcov.c (print_version), gcov-dump.c (print_version),
10196 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10199 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10201 * df-scan.c (problem_SCAN): Added NULL reset function.
10202 (df_scan_reset_blocks): Added code to call reset block function
10203 (df_bb_refs_delete) Fixed comment.
10204 (df_insn_refs_delete): Made tolerant of deleting non existent info
10205 for dataflow problems that need to be reset.
10206 * df-core.c (df_set_blocks): Ditto.
10207 * df.h (struct df_problem): Added reset_fun.
10208 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10209 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10210 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10211 functions to clear out all references to def-use or use-def chains.
10213 2006-01-21 Ben Elliston <bje@au.ibm.com>
10215 * varasm.c (assemble_real): Initialise data array.
10217 2006-01-20 Paul Brook <paul@codesourcery.com>
10219 Merge from csl-arm-branch.
10220 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10221 * config/arm/arm.md (movdi): Force operands[1] to a register
10222 if we have a non-register source.
10223 (*arm_movdi, *movdf_soft_insn): Require that one of the
10224 operands be a register.
10225 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10226 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10228 2006-01-20 DJ Delorie <dj@redhat.com>
10230 * varasm.c (initializer_constant_valid_p): Allow pointers
10231 initialized from integer constants of lesser precision.
10232 (output_constant): Allow non-int-sized pointer modes to be
10233 initialized from integer constants.
10235 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10238 * cppdefault.h (struct default_include): Add multilib flag.
10239 * cppdefault.c (cpp_include_defaults): Set it.
10240 * c.opt (-imultilib): New option.
10241 * c-opts.c (imultilib): New.
10242 (c_common_handle_option): Handle -imultilib.
10243 (c_common_post_options): Likewise.
10244 * c-incpath.c (add_standard_paths, register_include_chains):
10246 * c-incpath.h (register_include_chains): Add extra parameter.
10247 * gcc.c (do_spec_1): Generate -imultilib option.
10248 (The Specs Language): Update %I description.
10249 (process_command): Update copyright notice.
10250 * doc/cppopts.texi (-imultilib): Document.
10251 * doc/invoke.texi (-imultilib): Include in option summary.
10252 (%I): Update specs documentation.
10254 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10256 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10258 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10260 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10263 2006-01-20 Richard Guenther <rguenther@suse.de>
10264 Steven Bosscher <stevenb.gcc@gmail.com>
10266 PR rtl-optimization/24626
10267 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10268 EDGE_TRUE_VALUE if in RTL mode.
10271 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10272 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10274 2006-01-20 Dirk Mueller <dmueller@suse.com>
10277 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10278 instead of a special NOP marker.
10279 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10280 NOP marker handling.
10281 * c-common.h (empty_body_warning): Add forward declaration.
10282 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10283 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10285 2006-01-20 Paul Brook <paul@codesourcery.com>
10287 * Makefile.in (lang_checks): Keep going if mkdir fails.
10289 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10291 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10292 be able to clean out basic block when not necessary.
10293 (df_scan_free): Fixed to properly delete information if df is
10294 unused before calling df_finish.
10295 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10296 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10298 (df_bb_refs_delete): New function.
10299 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10300 * df-core.c (df_set_blocks): Added code to properly clean out
10301 unused blocks if they are not part of the blocks to consider.
10302 Added additional null check.
10303 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10304 be able to clean out basic block when not necessary
10305 * df.h (df_free_bb_function): Ditto.
10306 (df_bb_refs_delete): New function.
10307 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10308 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10309 basic block parameter to be able to clean out basic block when not
10311 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10312 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10313 Fixed to properly delete information if df is unused before
10316 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10318 PR rtl-optimization/25799
10319 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10320 Corrected confluence operator to remove bits from op2 before oring
10321 with op1 rather than removing bits from op1.
10322 (df_ru_transfer_function): Corrected test on wrong bitmap which
10323 caused infinite loop. Both of these problems were introduced in
10324 the dataflow rewrite.
10326 2006-01-19 DJ Delorie <dj@redhat.com>
10328 * reload1.c (find_reload_regs): Note the details of reload
10329 failures in the dump file.
10330 (spill_failure): Likewise.
10332 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10334 * loop-iv.c: Include df.h and hashtab.h.
10335 (enum iv_grd_result): New enum.
10336 (DF_REF_IV, DF_REF_IV_SET): New macros.
10337 (struct biv_entry): New.
10338 (df, bivs): New global variables.
10339 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10340 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10342 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10343 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10344 analyzed_for_bivness_p, record_biv): New functions.
10345 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10346 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10347 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10349 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10351 (iv_number_of_iterations): Use new interface to iv analysis.
10352 * loop-unroll.c: Do not include varray.h.
10353 (analyze_iv_to_split_insn): Use new interface to iv
10355 * loop-unswitch.c (may_unswitch_on): Ditto.
10356 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10358 (df_bb_modify): Realloc tables to the new index.
10359 (df_find_use): New function.
10360 * df.h (df_find_use): Declare.
10361 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10363 * cfgloop.h (struct rtx_iv): Remove analysed field.
10364 (iv_get_reaching_def): Removed.
10365 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10366 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10367 (loop-iv.o): Add df.h and hashtab.h dependency.
10368 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10370 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10373 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10375 (__floatundisf, __floatundidf): Likewise.
10376 * libgcc2.h (IS_IBM_EXTENDED): Define.
10378 2006-01-19 DJ Delorie <dj@redhat.com>
10380 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10382 2006-01-19 Paul Brook <paul@codesourcery.com>
10384 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10385 as nothrow when unwinding tables are disabled.
10387 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10390 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10391 of bit-field" when in system header.
10393 2006-01-19 DJ Delorie <dj@redhat.com>
10395 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10396 the 16 bit shift limit of the m16c.
10398 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10401 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10402 * config/i386/i386.c (output_set_got): Output the label if we have one
10403 for the TARGET_DEEP_BRANCH_PREDICTION case.
10405 2006-01-19 Jan Hubicka <jh@suse.cz>
10406 H.J. Lu <hongjiu.lu@intel.com>
10407 Evandro Menezes <evandro.menezes@amd.com>
10409 * invoke.texi (generic): Document
10411 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10412 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10413 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10414 (x86_use_incdec, x86_pad_returns): New variables
10415 (TARGET_CPU_DEFAULT_generic): New constant
10416 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10417 (enum processor_type): Add generic32 and generic64.
10418 * i386.md (cpu attribute): Add generic32/generic64
10419 (movhi splitter): Behave sanely when both partial_reg_dependency and
10420 partial_reg_stall are set.
10421 (K8 splitters): Enable for generic as well.
10422 * predicates.md (incdec_operand): Use TARGET_INCDEC
10423 (aligned_operand): Avoid memory mismatch stalls.
10424 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10425 * ppro.md: Enable for generic32
10426 * i386.c (generic64_cost, generic32_cost): New.
10427 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10428 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10429 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10430 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10431 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10432 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10433 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10434 x86_accumulate_outgoing_args, x86_prologue_using_move,
10435 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10436 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10437 Enable for generic.
10438 (x86_use_incdec, x86_pad_returns): New.
10439 (override_options): Add generic32 and generic64, translate "generic"
10440 to generic32/generic64 and "i686" to "generic32", refuse
10441 "generic32"/"generic64" as arch target.
10442 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10443 (ix86_reorg): Honor PAD_RETURNS.
10445 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10447 * tree-pretty-print.c (dump_generic_node): Handle
10448 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10449 * cgraph.c (cgraph_expand_queue): Rename from
10450 cgraph_analyze_queue. Update all users.
10451 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10452 cgraph_expand_queue.
10453 (cgraph_expand_all_functions): Likewise.
10454 (cgraph_finalize_pending_functions): Remove. Update callers.
10456 * tree.h (OMP_DIRECTIVE_P): Define.
10457 (OMP_PARALLEL_FN): Define.
10458 (OMP_PARALLEL_DATA_ARG): Define.
10459 (OMP_SECTIONS_SECTIONS): Define.
10460 * tree-pass.h (pass_expand_omp): Declare.
10461 * omp-low.c (struct omp_region): Declare.
10462 (struct omp_context): Remove fields 'parallel_type',
10463 'parallel_start_ix' and 'parallel_start_additional_args'.
10465 (struct omp_for_data): Rename from struct expand_omp_for_data.
10466 (omp_regions): New static variable.
10467 (root_omp_region): New static variable.
10468 (find_omp_clause): Make static.
10469 (is_in_combined_parallel_ctx): Remove.
10470 (is_combined_parallel): New.
10471 (extract_omp_for_data): Move earlier in the file.
10472 (workshare_safe_to_combine_p): New.
10473 (get_ws_args_for): New.
10474 (determine_parallel_type): Move earlier in the file.
10475 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10477 (omp_copy_decl): Likewise.
10478 (create_omp_child_function): Likewise.
10479 (lookup_omp_region): New.
10480 (dump_omp_region): New.
10481 (debug_omp_region): New.
10482 (debug_all_omp_regions): New.
10483 (new_omp_region): New.
10484 (scan_omp_parallel): If parallel_nesting_level > 1, the
10485 directive is nested within another parallel directive.
10486 Set OMP_PARALLEL_FN.
10487 (scan_omp_for): Do not try to handle combined parallel+for
10489 Remove FIXME comment.
10490 (scan_omp_nested): Remove.
10491 (scan_omp_1): Do not call scan_omp_nested when
10492 parallel_nesting_level is > 1.
10493 Do not change the DECL_CONTEXT of local variables found.
10494 (lookup_decl_in_outer_ctx): New.
10495 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10496 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10497 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10498 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10499 If CTX is nested, lookup VAR in the outer context when
10500 building copy assignment.
10501 (lower_send_clauses): Rename from expand_send_clauses.
10502 If CTX is nested, lookup VAR in the outer context when
10503 building copy assignments.
10504 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10505 If CTX is nested, lookup VAR in the outer context when
10506 building copy assignments.
10507 (expand_parallel_call): Rename from build_parallel_call.
10508 Handle combined parallel+workshare cases.
10509 Re-implement to emit code into the CFG.
10511 (expand_omp_parallel): Re-implement to emit code into the CFG.
10512 Call move_sese_region_to_fn to outline the sub-graph
10513 containing the parallel region.
10514 (expand_omp_for_1): Remove.
10515 (expand_omp_for_generic): Re-implement to emit code into the
10517 (expand_omp_for_static_nochunk): Likewise.
10518 (expand_omp_for_static_chunk): Likewise.
10519 (expand_omp_for): Likewise.
10520 (expand_omp_sections): Likewise.
10521 (remove_exit_barriers): New.
10522 (expand_omp_synch): New.
10524 (build_omp_regions_1): New.
10525 (build_omp_regions): New.
10526 (execute_expand_omp): New.
10527 (gate_expand_omp): New.
10528 (pass_expand_omp): Define.
10529 (lower_omp_sections): Rename from expand_omp_sections.
10530 Set OMP_SECTIONS_SECTIONS.
10531 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10532 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10533 (lower_omp_single): Rename from expand_omp_simple.
10534 (lower_omp_master): Rename from expand_omp_master.
10535 (lower_omp_ordered): Rename from expand_omp_ordered.
10536 (lower_omp_critical): Rename from expand_omp_critical.
10537 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10538 (lower_omp_for): Re-implement.
10539 (lower_omp_parallel): Re-implement.
10540 (lower_regimplify): Rename from expand_regimplify.
10541 (lower_omp_1): Rename from expand_omp_1.
10542 If there are syntax errors in the program, replace every
10543 OpenMP directive with NOP.
10544 Call lower_omp_* instead of expand_omp_*.
10545 (lower_omp): Rename from expand_omp.
10547 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10548 * tree-gimple.h (enum omp_parallel_type): Remove.
10549 (gimple_boolify): Declare extern.
10550 (find_omp_clause, determine_parallel_type): Remove.
10552 * gimple-low.c (lower_omp_directive): New.
10553 (lower_stmt): Call it.
10554 (record_vars_into): Move from ...
10555 (record_vars): ... here.
10556 Call record_vars_into with current_function_decl.
10558 * gimplify.c (struct gimplify_ctx): Remove fields
10559 combined_pre_p and combined_ctxp. Update users.
10560 (get_formal_tmp_var): Add documentation.
10561 (gimple_boolify): Make extern.
10562 (gimplify_expr_in_ctx): Remove. Update callers.
10563 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10564 will always be a BIND_EXPR.
10565 (gimplify_expr): Handle OMP_RETURN_EXPR.
10566 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10567 (OMP_PARALLEL): Add 3 operands.
10568 (OMP_SECTIONS): Add 1 operand.
10569 (OMP_RETURN_EXPR): Define.
10571 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10572 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10573 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10574 creating a circular free list.
10575 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10577 * tree-flow.h (move_sese_region_to_fn): Declare.
10578 (record_vars_into): Declare.
10579 * tree-cfg.c (make_omp_sections_edges): New.
10580 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10581 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10582 OMP_SECTIONS and OMP_SECTION.
10583 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10584 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10585 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10586 (gather_blocks_in_sese_region): New.
10587 (struct move_stmt_d): Declare.
10588 (move_stmt_r): New.
10589 (move_block_to_fn): New.
10590 (move_sese_region_to_fn): New.
10592 * passes.c (init_optimization_passes): Schedule
10593 pass_expand_omp after pass_init_datastructures.
10595 * tree-ssa-operands.c (get_expr_operands): Handle
10596 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10597 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10599 2006-01-19 Jeff Law <law@redhat.com>
10601 * tree-vrp.c (extract_range_from_assert): Refine the result range
10602 if the variable referenced by the ASSERT_EXPR has a range and
10603 either the tentative result range or the previous range is a
10606 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10608 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10610 2006-01-19 Jan Hubicka <jh@suse.cz>
10612 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10614 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10616 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10617 (expand_compound_operation, expand_field_assignment): Fail if the
10618 bit lengths of an extract operation are out of range.
10619 (make_extraction): Compute wanted_inner_mode based on the position
10620 and length of the extraction. Make it extraction_mode for non-constant
10621 positions, and do not modify offset in that case. When generating a
10622 new MEM, use a mode that can hold the extraction while keeping correct
10623 alignment. Remove code that supported MEMs wrapped by USEs.
10624 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10626 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10628 * config/s390/s390.md ("Y", "y"): New mode attribute.
10629 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10630 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10631 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10632 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10633 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10634 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10635 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10636 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10637 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10638 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10639 "addsi3", "subsi3"): Insn patterns removed.
10640 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10641 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10642 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10643 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10644 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10645 "*sub<mode>3_cconly2"): New insn patterns.
10646 ("addsi3", "subsi3"): New expanders.
10648 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10650 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10651 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10652 existing STMT_VINFO_VECTYPE if available.
10653 (vect_mark_relevant): Add special handling for stmts that are
10654 marked as STMT_VINFO_IN_PATTERN_P.
10655 (vect_analyze_loop): Call vect_pattern_recog.
10656 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10657 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10659 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10660 (vect_recog_func_ptr): New function-pointer type.
10661 * tree-vect-patterns.c: New file.
10662 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10663 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10664 (vect_pattern_recog_1): New functions.
10665 (vect_pattern_recog_funcs): New array of function pointers.
10667 * tree-vectorizer.h (ternary_op): New enum value.
10668 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10669 declaration. Revised documentation. Removed redundant dump prints.
10670 Removed redundant argument. Added support for reduction patterns.
10671 (vectorizable_reduction): Added support for reduction patterns.
10672 (vect_transform_stmt): Added support for patterns.
10674 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10675 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10676 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10677 (expand_widen_pattern_expr): New function.
10678 (init_optabs): Initialize new optabs udot_prod_optab,
10680 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10681 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10682 (expand_widen_pattern_expr): New function declaration.
10683 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10685 * tree-inline.c (estimate_num_insns_1): Added cases for new
10686 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10687 * tree-pretty-print.c (dump_generic_node): Likewise.
10688 (op_prio): Likewise.
10689 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10690 * tree-ssa-operands.c (get_expr_operands): Added case for
10692 * tree-vect-patterns.c (widened_name_p): New function.
10693 (vect_recog_dot_prod_pattern): Added function implementation.
10694 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10695 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10696 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10697 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10699 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10700 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10701 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10702 (init_optabs): Initialize new optabs widen_ssum_optab,
10704 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10705 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10706 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10707 use instead of type of def.
10708 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10709 function implementation.
10710 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10711 widen_ssumv8hi): New.
10713 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10716 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10719 * c-decl.c (add_flexible_array_elts_to_size): New function.
10720 (finish_decl): Use it.
10722 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10724 * diagnostic.h: Include options.h.
10725 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10726 dependancies for diagnostic.h.
10727 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10729 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10731 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10732 (ssa_ro_call_cache_valid): Ditto.
10733 * tree-ssa-alias.c (sort_tags_by_id): New function.
10734 (init_transitive_clobber_worklist): Ditto.
10735 (add_to_worklist): Ditto.
10736 (mark_aliases_call_clobbered): Ditto.
10737 (compute_tag_properties): Ditto.
10738 (set_initial_properties): Ditto.
10739 (compute_call_clobbered): Ditto.
10740 (compute_may_aliases): Call compute_call_clobbered and grouping.
10741 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10742 (compute_flow_insensitive_aliasing): Grouping now happens in our
10744 (setup_pointers_and_addressables): Remove clobbering related code.
10745 (add_may_alias): Ditto.
10746 (replace_may_alias): Ditto.
10747 (get_nmt_for): Ditto.
10748 (create_global_var):
10749 (is_escape_site): Return an escape_type enumeration.
10750 * tree-flow-inline.h (is_call_clobbered): Global var does not
10751 imply call clobbered.
10752 (mark_call_clobbered): Take a reason for marking this. Remove
10753 marking of globalness, and cache invalidation.
10754 (clear_call_clobbered): Remove cache invalidation code.
10755 * tree-dfa.c (dump_variable): If details is on, dump the reason
10757 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10759 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10760 (struct var_ann_d): Ditto.
10761 (enum escape_type): New.
10762 (mark_call_clobbered): Adjust prototype.
10763 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10764 are never call clobbered.
10765 Record reasons for escaping.
10766 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10767 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10768 (ssa_ro_call_cache_valid): Ditto.
10769 (clobbered_v_may_defs): Ditto.
10770 (clobbered_vuses): Ditto.
10771 (ro_call_vuses): Ditto.
10772 (clobber_stats): New.
10773 (init_ssa_operands): Zero out clobber stats.
10774 (fini_ssa_operands): Print out clobber stats.
10775 (get_call_expr_operands): Pass callee fndecl to
10776 add_call_read_ops).
10777 (add_call_clobber_ops): Remove use of cache.
10778 Add use of PURE_CONST information.
10779 (add_call_read_ops): Remove use of cache.
10780 Add use of static not_read information.
10782 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10784 Introduce TLS descriptors for i386 and x86_64.
10785 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10786 (TARGET_ANY_GNU_TLS): New macro.
10787 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10788 (struct machine_function): Add tls_descriptor_call_expanded_p.
10789 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10790 (ix86_current_function_calls_tls_descriptor): Likewise.
10791 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10792 (override_options): Introduce gnu2 tls dialect.
10793 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10795 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10797 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10798 (ix86_init_machine_status): Initialize new field.
10799 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10800 (ix86_tls_module_base): New.
10801 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10802 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10803 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10804 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10805 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10806 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10807 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10808 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10809 * config/i386/predicates.md (tls_modbase_operand): New.
10810 (tp_or_register_operand): New.
10812 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10814 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10815 (look_for_address_of): Ditto.
10816 (ipa_init): Walk the function decls.
10817 (static_execute): Don't set readonly on FUNCTION_DECL's.
10819 2006-01-18 Roger Sayle <roger@eyesopen.com>
10821 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10822 for shifts where the source and destination registers are different.
10824 2006-01-18 Paul Brook <paul@codesourcery.com>
10826 Merge from csl-arm-branch.
10827 2005-03-14 Julian Brown <julian@codesourcery.com>
10828 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10829 (aeabi_llsl): Likewise.
10830 (ashrdi3): Likewise.
10831 (aeabi_lasr): Likewise.
10832 (lshrdi3): Likewise.
10833 (aeabi_llsr): Likewise.
10834 2005-03-10 Julian Brown <julian@codesourcery.com>
10835 * config.gcc: Disable shared libgcc for SymbianOS.
10836 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10838 2006-01-18 DJ Delorie <dj@redhat.com>
10840 * c-pragma.c (handle_pragma_diagnostic): New.
10841 (init_pragma): Register it.
10842 * doc/extend.texi: Document it.
10844 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10845 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10846 (diagnostic_context): Add classify_diagnostic[].
10847 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10848 as errors if they're overridden to DK_WARNING.
10849 (diagnostic_initialize): Initialize classify_diagnostic[].
10850 (diagnostic_set_kind_override): New.
10851 (diagnostic_report_diagnostic): Check for kind changes.
10852 * opts.c (common_handle_option): Take lang_mask. Update callers.
10853 Handle OPT_Werror_.
10854 * common.opt (Werror=): New.
10855 * doc/invoke.texi: Document -Werror=*
10857 2006-01-18 Jeff Law <law@redhat.com>
10859 * tree-vrp.c (test_for_singularity): Correct test for new
10860 min limit. Use operand_equal_p rather than pointer equality
10861 for testing if new min/max values are equal.
10863 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10864 using range information until after propagation and folding.
10866 2006-01-18 Richard Henderson <rth@redhat.com>
10867 Aldy Hernandez <aldyh@redhat.com>
10868 Jakub Jelinek <jakub@redhat.com>
10869 Diego Novillo <dnovillo@redhat.com>
10871 * omp-low.c: New file.
10872 * c-omp.c: New file.
10874 2006-01-18 Richard Henderson <rth@redhat.com>
10875 Jakub Jelinek <jakub@redhat.com>
10876 Diego Novillo <dnovillo@redhat.com>
10878 * doc/invoke.texi: Document -fopenmp.
10879 * tree-dump.h (debug_function): Declare.
10880 * hooks.c (hook_bool_tree_bool_false): New function.
10881 (hook_tree_tree_null): Remove.
10882 (hook_tree_tree_tree_null): New.
10883 * hooks.h: Update to match.
10884 * tree-pretty-print.c (debug_tree_chain): New.
10885 (print_generic_expr): Handle TDF_CHAIN.
10886 (dump_generic_node): Handle BLOCK.
10887 Do not abort with incomplete SWITCH_EXPRs.
10888 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10889 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10890 print space after directive name.
10891 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10892 Handle OMP_MASTER and OMP_ORDERED.
10893 Handle printing of OMP_BODY just in one place, goto
10894 dump_omp_body in the rest of OMP_* nodes that have
10896 Don't handle clause nodes here. Update omp statements to
10897 use dump_omp_clauses.
10898 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10899 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10900 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10901 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10902 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10903 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10904 Adjust output for GOMP_PARALLEL.
10905 (dump_omp_clauses): New.
10906 (print_declaration): Dump DECL_VALUE_EXPR.
10907 (op_symbol_1): Split out of op_symbol.
10908 (dumping_stmts): Remove. Update all users.
10909 * cgraph.c (cgraph_analyze_queue): New.
10910 (cgraph_add_new_function): New.
10911 * cgraph.h (cgraph_analyze_queue): Declare.
10912 (cgraph_add_new_function): Declare.
10913 (cgraph_lower_function): Remove.
10914 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10915 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10916 and TYPE_P nodes in its default clause.
10917 (empty_body_p): New.
10918 (tree_range_check_failed): New.
10919 (build5_stat): New.
10920 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10921 OMP_CLAUSE_REDUCTION_MERGE,
10922 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10923 OMP_CLAUSE_PRIVATE_DEBUG,
10924 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10925 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10926 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10927 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10928 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10929 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10930 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10931 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10932 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10933 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10934 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10935 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10936 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10937 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10938 (TREE_RANGE_CHECK): New.
10939 (empty_body_p): Declare.
10940 (enum omp_clause_default_kind): New.
10941 (build_string_literal): Declare.
10942 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10943 (build5_stat, build5): Declare.
10944 * tree-pass.h (TDF_CHAIN): Define.
10945 * tree-pass.h (PROP_gimple_lomp): Define.
10946 (pass_lower_omp): Declare.
10947 * diagnostic.h (debug_tree_chain): Declare.
10948 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10950 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10951 * builtins.c (build_string_literal): Make extern.
10952 * gcc.c (include_spec_function): New.
10953 (static_spec_functions): Add it.
10954 (main): Move load of libgomp.spec ...
10955 (LINK_COMMAND_SPEC): ... here.
10956 (link_gomp_spec): New.
10957 (static_specs): Include it.
10958 (LINK_COMMAND_SPEC): Add link_gomp.
10959 (GOMP_SELF_SPECS): New.
10960 (driver_self_specs): Include it.
10961 (switch_matches): Don't mark inline.
10962 (main): Load libgomp.spec.
10963 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10964 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10965 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10966 * tree-gimple.h (enum omp_parallel): Declare.
10967 (determine_parallel_type): Declare.
10968 (omp_firstprivatize_variable): Declare.
10969 (omp_reduction_init): Declare.
10970 (diagnose_omp_structured_block_errors): Declare.
10971 (struct walk_stmt_info): Add want_return_expr.
10972 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10973 (find_omp_clause): Declare.
10974 (insert_field_into_struct): Declare.
10975 (struct walk_stmt_info): Move from tree-nested.c
10976 (walk_stmts): Declare.
10977 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10979 * cgraphunit.c (cgraph_lower_function): Make static.
10980 (cgraph_finalize_pending_functions): New.
10981 (cgraph_finalize_function): Call it.
10982 (cgraph_finalize_compilation_unit): Likewise.
10983 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10984 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10985 (BT_FN_UINT_UINT): New.
10986 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10987 DEF_FUNCTION_TYPE_VAR_4): Document.
10988 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10989 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10990 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10991 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10992 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10993 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10994 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10995 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10996 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10997 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10998 into separate files.
10999 (DEF_GOMP_BUILTIN): New.
11000 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11001 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11002 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11003 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11004 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11005 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11006 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11007 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11008 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11009 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11010 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11011 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11012 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11013 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11014 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11015 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11016 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11017 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11018 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11019 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11020 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11021 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11022 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11023 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11024 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11025 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11026 * sync-builtins.def: New file, moved from builtins.def.
11027 * omp-builtins.def: New file, moved from builtins.def.
11028 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11029 * gimple-low.c (lower_function_body): Clear data.
11030 (lower_stmt): Do not handle COMPOUND_EXPR.
11031 Remove call to print_node_brief.
11032 * c-tree.h (c_finish_omp_clauses): New prototype.
11033 (C_DECL_THREADPRIVATE_P): Define.
11034 (lookup_name_no_remap, c_omp_remap_private): Remove
11035 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11036 (check_for_loop_decls): Update decl.
11037 (lookup_name_no_remap, c_omp_remap_private): Declare.
11038 (build_indirect_ref, build_modify_expr, pushdecl,
11039 pushdecl_top_level): Move to c-common.h.
11040 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11041 before the switch, but just in the 2 places that need it.
11042 * c-decl.c (diagnose_mismatched_decls): Do not check for
11043 mismatched thread-local attributes when OLDDECL is marked
11044 threadprivate and NEWDECL has no thread-local attributes.
11045 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11046 (c_gimple_diagnostics_recursively): Rename from
11047 c_warn_unused_result_recursively. Invoke
11048 diagnose_omp_structured_block_errors.
11049 (check_for_loop_decls): Return a singular decl found.
11050 * langhooks.c (lhd_omp_predetermined_sharing): Return
11051 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11052 (lhd_omp_firstprivatize_type_sizes): New.
11053 (lhd_omp_assignment): New.
11054 (lhd_omp_predetermined_sharing): New.
11055 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11056 (struct lang_hooks_for_types): Add
11057 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11058 omp_predetermined_sharing, omp_disregard_value_expr,
11059 omp_private_debug_clause, omp_clause_default_ctor,
11060 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11061 (c_finish_omp_clauses): New.
11062 (c_finish_bc_stmt): Diagnose break within omp for.
11063 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11064 (build_unary_op): Return error_mark after reporting
11066 (build_modify_expr): Likewise.
11067 * gimplify.c: Include optabs.h and pointer-set.h.
11068 (enum gimplify_omp_var_data): Declare.
11069 (struct gimplify_omp_ctx): Declare.
11070 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11072 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11073 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11074 (splay_tree_compare_decl_uid): New.
11075 (new_omp_context): New.
11076 (delete_omp_context): New.
11077 (gimple_add_tmp_var): Call omp_add_variable.
11078 (gimplify_bind_expr): Likewise.
11079 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11080 true, disregard DECL_VALUE_EXPR on the decl if any.
11081 (gimplify_expr_in_ctx): New.
11082 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11083 omp_add_variable, omp_notice_variable, omp_is_private
11084 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11085 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11086 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11087 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11088 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11089 gimplify_omp_atomic): New.
11090 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11091 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11092 OMP_CRITICAL and OMP_ATOMIC.
11093 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11094 * c-pragma.h (enum pragma_kind): Add
11095 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11096 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11097 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11098 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11099 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11100 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11101 PRAGMA_OMP_THREADPRIVATE.
11102 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11103 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11104 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11105 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11106 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11107 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11108 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11109 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11110 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11111 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11112 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11113 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11114 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11116 (struct nesting_info): Add field_map,
11117 suppress_expansion, debug_var_chain.
11118 (create_nesting_tree): Initialize them.
11119 (lookup_field_for_decl): Use field_map.
11120 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11121 (convert_local_omp_clauses): New.
11122 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11123 (walk_body): Split out of walk_function.
11124 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11125 (convert_nonlocal_reference): Handle omp statements.
11126 (convert_local_reference): Likewise.
11127 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11128 (unnest_nesting_tree): New.
11129 (lower_nested_functions): Call it.
11130 (insert_field_into_struct): Make extern.
11131 (struct walk_stmt_info): Move to tree-gimple.h.
11132 (walk_stmts): Make extern.
11133 * omp-builtins.def: New file.
11134 * tree-iterator.c (expr_only): Clarify comment.
11135 * c-common.h (pushdecl_top_level, pushdecl,
11136 build_modify_expr, build_indirect_ref,
11137 c_finish_omp_master, c_finish_omp_critical,
11138 c_finish_omp_ordered, c_finish_omp_barrier,
11139 c_finish_omp_atomic, c_finish_omp_flush,
11140 c_finish_omp_for, c_split_parallel_clauses,
11141 omp_clause_default_kind, c_omp_sharing_predetermined,
11142 c_omp_remap_decl): Declare.
11143 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11144 (OBJS-common): Add omp-low.o.
11145 (c-omp.o, omp-low.o): Add.
11146 (gimplify.o): Add dependency on $(OPTABS_H).
11147 (GTFILES): Add omp-low.c.
11148 (gt-stringpool.h): Add.
11149 * tree-cfg.c (set_bb_for_stmt): Do not update the
11150 block-to-labels map if we are currently expanding to RTL.
11151 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11153 Handle IDENTIFIER_NODE.
11154 (tree_verify_flow_info): Do not ICE when emitting error
11155 messages about invalid labels.
11156 (dump_function_to_file): Reset CFUN before emitting the body
11158 (debug_function): New.
11159 * passes.c (init_optimization_passes): Schedule
11161 * langhooks-def.h (lhd_omp_predetermined_sharing,
11162 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11164 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11165 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11166 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11167 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11168 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11169 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11170 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11171 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11172 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11173 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11174 (LANG_HOOK_DECLS): Use them.
11176 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11177 Richard Henderson <rth@redhat.com>
11178 Jakub Jelinek <jakub@redhat.com>
11179 Diego Novillo <dnovillo@redhat.com>
11181 * c-parser.c (pragma_omp_clause): Define.
11182 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11183 (c_parser_compound_statement): Likewise.
11184 (c_parser_statement): Likewise.
11185 (c_parser_pragma): Handle omp pragmas.
11186 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11187 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11188 (c_parser_omp_clause_name, check_no_duplicate_clause,
11189 c_parser_omp_variable_list,
11190 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11191 c_parser_omp_clause_copyprivate,
11192 c_parser_omp_clause_default,
11193 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11194 c_parser_omp_clause_lastprivate,
11195 c_parser_omp_clause_nowait,
11196 c_parser_omp_clause_num_threads,
11197 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11198 c_parser_omp_clause_reduction,
11199 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11200 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11201 c_parser_omp_atomic, c_parser_omp_barrier,
11202 c_parser_omp_critical, c_parser_omp_flush,
11203 c_parser_omp_for_loop, c_parser_omp_for,
11204 c_parser_omp_master, c_parser_omp_ordered,
11205 c_parser_omp_sections_scope, c_parser_omp_sections,
11206 c_parser_omp_parallel, c_parser_omp_single,
11207 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11208 * c-pragma.c (init_pragma): Do omp pragma registration here.
11209 * c.opt (fopenmp): New flag.
11211 2006-01-18 Eric Christopher <echristo@apple.com>
11213 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11214 * config/darwin.h (GOMP_SELF_SPECS): Define.
11216 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11218 * rtl.h: Remove the prototype for reg_alloc.
11220 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11223 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11224 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11225 sjlj and dwarf2 exception handling.
11226 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11227 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11228 * pa/pa.c (function_value): Treat complex and vector types as
11230 (function_arg): Likewise. Only pass scalar floats in the floating
11231 point argument registers.
11232 * pa/t-slibgcc-dwarf-ver: New file.
11233 * pa/t-slibgcc-sjlj-ver: New file.
11234 * pa/t-slibgcc-elf-ver: Delete file.
11236 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11238 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11239 unlikely_test_section_p test.
11241 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11243 * mode-switching.c (optimize_mode_switching): Make it static.
11244 * basic-block.h: Remove the prototype for
11245 optimize_mode_switching.
11247 * modulo-sched.c (sms_schedule): Make it static.
11248 * rtl.h: Remove the prototype for sms_schedule.
11250 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11251 * rtl.h: Remove the prototype for gcse_after_reload_main.
11253 * reg-stack.c (reg_to_stack): Make it static.
11254 * rtl.h: Remove the prototype for reg_to_stack.
11256 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11258 * rtl.h: Remove the prototypes for regrename_optimize and
11259 copyprop_hardreg_forward.
11261 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11263 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11264 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11265 Test against the appropriate null constant for the mode.
11266 If 'fixup_overlap' is true, swap the operands if they overlap.
11267 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11268 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11269 alpha_split_tmode_pair and adjust for above change.
11270 * config/alpha/alpha.md (movtf_internal): Adjust call to
11271 alpha_split_tfmode_pair and rely on it to swap the operands.
11272 (movti_internal): New insn and post-reload splitter.
11273 (movti): New expander.
11275 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11277 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11280 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11282 * rtlanal.c (global_reg_mentioned_p_1,
11283 global_reg_mentioned_p): Remove.
11284 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11286 * flow.c (initialize_uninitialized_subregs): Make it static.
11287 * rtl.h: Remove the prototype for
11288 initialize_uninitialized_subregs.
11290 * function.c (instantiate_virtual_regs): Make it static.
11291 * function.h: Remove the prototype for
11292 instantiate_virtual_regs.
11294 * regmove.c (regmove_optimize, combine_stack_adjustments):
11296 * rtl.h: Remove the prototypes for regmove_optimize and
11297 combine_stack_adjustments.
11299 2006-01-17 Roger Sayle <roger@eyesopen.com>
11301 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11302 (size_cost): Encode costs in bytes so that a reg-reg addition is
11303 equivalent to COSTS_N_INSNS(1).
11304 (override_options): Use the size_cost.branch_cost as the default
11305 ix86_branch_cost when optimizing for size.
11307 2006-01-18 Ben Elliston <bje@au.ibm.com>
11309 * Makefile.in (D32PBIT_FUNCS): New.
11310 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11311 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11312 D64PBIT_FUNCS and D128PBIT_FUNCS.
11313 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11314 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11316 (decnumber_dep): Define.
11317 * doc/libgcc.texi (Decimal float library routines): New node.
11318 * config/dfp-bit.h, config/dfp-bit.c: New files.
11320 2006-01-18 Ben Elliston <bje@au.ibm.com>
11322 * expr.c (emit_move_change_mode): Always adjust addresses, not
11323 just during reload. Copy replacements only during reload.
11324 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11325 emit_move_via_integer.
11327 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11329 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11330 instead of $(srcdir) and ${srcdir}.
11332 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11335 PR middle-end/11135
11336 * arm.h (struct machine_function): Add pic_reg.
11337 * arm.c (arm_pic_register): Make unsigned.
11338 (arm_override_options): Only set arm_pic_register if
11339 TARGET_SINGLE_PIC_BASE.
11340 (use_return_insn): Only test for a pic register if it is fixed.
11341 (arm_compute_save_reg0_reg12_mask): Likewise.
11342 (thumb_compute_save_reg_mask): Likewise.
11343 (legitimate_pic_operand): Factor out some known invariants.
11344 (legitimize_pic_address): If we don't have a fixed pic register,
11345 then set up a pseudo in the function entry sequence. Handle the
11346 pic base being in a pseudo.
11347 (arm_load_pic_register): Handle the pic register being in a pseudo.
11348 (arm_expand_prologue): Only set up the pic register if it is fixed.
11349 (thumb_expand_prologue): Likewise.
11350 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11351 (pic_load_addr_based_insn): Likewise.
11352 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11355 2006-01-18 Ben Elliston <bje@au.ibm.com>
11357 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11358 decimal float modes for all floating point registers.
11360 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11361 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11363 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11366 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11367 even when the pointer is not NULL.
11369 2006-01-16 Ian Lance Taylor <ian@airs.com>
11371 * common.opt (ftoplevel-reorder): New option.
11372 * cgraph.c (cgraph_asm_nodes): New global variable.
11373 (cgraph_asm_last_node): New static variable.
11374 (cgraph_order): New global variable.
11375 (cgraph_create_node): Set new order field.
11376 (cgraph_varpool_node): Likewise.
11377 (decide_is_variable_needed): Return true if not
11378 flag_toplevel_reorder.
11379 (cgraph_add_asm_node): New function.
11380 * cgraph.h (struct cgraph_node): Add order field.
11381 (struct cgraph_varpool_node): Add order field.
11382 (struct cgraph_asm_node): Define.
11383 (cgraph_asm_nodes, cgraph_order): Declare.
11384 (cgraph_add_asm_node): Declare.
11385 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11387 (cgraph_varpool_assemble_pending_decls): Call it.
11388 (cgraph_output_pending_asms): New static function.
11389 (cgraph_finalize_compilation_unit): Call it.
11390 (struct cgraph_order_sort): Define.
11391 (cgraph_output_in_order): New static function.
11392 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11393 !flag_toplevel_reorder case.
11394 * c-parser.c: Include "cgraph.h".
11395 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11397 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11398 than -fno-unit-at-a-time.
11399 * doc/invoke.texi (Option Summary): Mention
11400 -fno-toplevel-reorder.
11401 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11402 -funit-at-a-time documentation.
11404 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11405 Kazu Hirata <kazu@codesourcery.com>
11407 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11409 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11411 * Makefile.in (FUNCTION_H): New. Use it instead of
11412 function.h throughout the file.
11413 * function.h: Include tree.h.
11415 2006-01-17 Ben Elliston <bje@au.ibm.com>
11417 * recog.c: Separate some functions with whitespace.
11419 2006-01-16 Richard Henderson <rth@redhat.com>
11421 Merge from gomp branch:
11422 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11423 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11424 and rename from struct inline_data. Rename callee* to dst*;
11425 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11426 transform_new_cfg, transform_return_to_modify, and
11427 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11429 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11430 (copy_decl_for_dup): Remove.
11431 * tree-inline.c (struct inline_data): Move to header.
11432 (insert_decl_map): Export.
11433 (remap_decl): Update for member name changes. Use copy_decl hook.
11434 Allow for replacement to be a non-decl. Remove dead code.
11435 (remap_type_1): Check for existing mapping.
11436 (remap_type): Export.
11437 (remap_decls): Update for member name changes.
11438 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11439 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11440 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11441 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11442 (tree_function_versioning, build_duplicate_type): Likewise.
11443 (copy_body_r): Likewise. Export.
11444 (copy_decl_for_dup): Split into ...
11445 (copy_decl_for_dup_finish, copy_decl_to_var,
11446 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11447 (replace_ref_tree, inlining_p): Remove.
11449 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11451 * ifcvt.c (if_convert): Make it static.
11452 * rtl.h: Remove the prototype for if_convert.
11454 * local-alloc.c (local_alloc): Make it static.
11455 * rtl.h: Remove the prototype for local_alloc.
11457 * loop.c (loop_optimize): Make it static.
11458 * cfgloop.h: Remove the prototype for loop_optimize.
11461 2006-01-16 DJ Delorie <dj@redhat.com>
11463 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11466 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11468 * pa.md: Disparage copies between general and floating-point registers
11469 in 32-bit move patterns.
11471 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11474 * Makefile.in (check-%): Depend on site.exp instead of
11475 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11478 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11480 * global.c (global_alloc): Make it static.
11481 * rtl.h: Remove the prototype for global_alloc.
11483 2006-01-16 Richard Guenther <rguenther@suse.de>
11485 * tree-ssa-alias.c (struct used_part): Add write_only field.
11486 (get_or_create_used_part_for): Initialize it to true.
11487 (create_overlap_variables_for): Don't create structure variables
11488 for structures that only are written to.
11489 (find_used_portions): Handle MODIFY_EXPR to track whether a
11490 structure is only written to.
11492 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11494 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11496 * basic-block.h: Remove the prototype for
11497 partition_hot_cold_basic_blocks.
11499 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11501 * cppspec.c (lang_specific_spec_functions): Remove.
11502 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11503 * gcc.h (lang_specific_spec_functions): Remove.
11504 * gccspec.c (lang_specific_spec_functions): Remove.
11506 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11508 * combine.c (record_value_for_reg): Invalidate registers
11510 (record_dead_and_set_regs_1): Likewise, by passing them to
11511 record_value_for_reg.
11512 (record_dead_and_set_regs): Invalidate stores made by a
11513 call. We do not combine across a call, but we still
11514 relied on equivalences.
11516 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11518 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11519 vrp_int_const_binop returning non-constant nodes.
11521 2006-01-16 Paul Brook <paul@codesourcery.com>
11523 * config/m68k/m68k.c (output_move_const_into_data_reg):
11524 Output correct mnemonic for mvz and mvs.
11526 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11528 * rtl-factoring.c: Add sequence abstraction algorithm.
11529 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11530 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11532 (block_has_preserve_label): New function.
11533 * common.opt: Register new pass.
11534 * Makefile.in: Ditto.
11536 * timevar.def: Ditto.
11537 * tree-pass.h: Ditto.
11538 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11539 * rtl.h (make_jump_insn_raw): Add forward decl.
11540 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11542 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11543 Roger Sayle <roger@eyesopen.com>
11545 * fold-const.c (fold_minmax): New static function.
11546 (fold_binary) <MIN_EXPR>: Call it.
11547 <MAX_EXPR>: Likewise.
11548 * stor-layout.c (place_field): Use DECL_SIZE consistently
11549 in the computation of the new record size.
11551 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11553 * cse.c (cse_condition_code_reg): Make it static.
11554 * rtl.h: Remove the prototype for cse_condition_code_reg.
11556 * combine.c (combine_instructions): Make it static.
11557 * rtl.h: Remove the prototype for combine_instructions.
11559 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11562 * tree.c (get_file_function_name_long): Concatenate the first global
11563 object name with a string derived from the input filename of the object
11566 2006-01-16 Ben Elliston <bje@au.ibm.com>
11568 * config/i386/winnt-stubs.c: Update FSF address.
11569 * config/xtensa/ieee754-df.S: Ditto.
11570 * config/xtensa/ieee754-sf.S: Ditto.
11572 2006-01-14 Ian Lance Taylor <ian@airs.com>
11574 * ifcvt.c (noce_init_if_info): New static function, broken out of
11575 noce_process_if_block.
11576 (noce_process_if_block): Call noce_init_if_info.
11577 (check_cond_move_block): New static function.
11578 (cond_move_process_if_block): New static function.
11579 (process_if_block): Call cond_move_process_if_block.
11581 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11583 * cselib.c (hash_table): Rename to cselib_hash_table.
11584 (cselib_clear_table, discard_useless_values,
11585 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11586 cselib_init, cselib_finish): Adjust uses of hash_table.
11588 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11590 PR tree-optimization/25485
11591 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11592 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11593 is known to be false and true, respectively.
11595 2006-01-14 Richard Guenther <rguenther@suse.de>
11597 PR tree-optimization/22548
11598 PR tree-optimization/22555
11599 PR tree-optimization/22501
11600 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11601 * params.def (salias-max-array-elements): New parameter.
11602 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11603 * doc/invoke.texi (salias-max-array-elements): Document.
11604 * tree-flow-inline.h (var_can_have_subvars): We also handle
11606 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11608 * tree-ssa-structalias.c (params.h): Include.
11609 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11610 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11611 (get_constraint_for): For ADDR_EXPR operating on something
11612 containing an ARRAY_REF, add all subvars to the solution.
11613 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11614 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11615 for creating MUST_DEFs.
11616 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11618 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11620 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11622 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11623 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11624 number_of_iterations_le): New functions.
11625 (number_of_iterations_special): Removed.
11626 (number_of_iterations_exit): Do not use number_of_iterations_special.
11627 * tree.c (unsigned_type_for): Always return integer type.
11629 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11630 Richard Guenther <rguenther@suse.de>
11632 PR rtl-optimization/24257
11633 * gcse.c (find_moveable_store): Only consider a store movable
11634 when the SET_SRC of the insn can be assigned to a register.
11636 2006-01-14 Ian Lance Taylor <ian@airs.com>
11638 * tree.c (tree_not_class_check_failed): New function.
11639 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11640 (tree_not_class_check_failed): Declare.
11642 2006-01-13 Ian Lance Taylor <ian@airs.com>
11644 * reload1.c (do_output_reload): Add assertion rejecting a
11647 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11649 * combine.c (struct reg_stat): Add new fields truncation_label and
11651 (record_value_for_reg): Reset truncated_to_mode.
11652 (record_truncated_value): New function.
11653 (check_promoted_subreg): Call it. Rename to check_conversions.
11654 (combine_instructions): Rename check_promoted_subreg to
11656 (reg_truncated_to_mode): New function.
11657 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11658 (gen_lowpart_or_truncate): New function.
11659 (force_to_mode): Use it instead of gen_lowpart.
11661 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11663 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11664 VAR is a tag, not its type tag.
11666 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11668 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11669 alternatives to match style of other entries.
11670 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11672 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11674 PR tree-optimization/25771
11675 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11678 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11681 * tree-inline.c (declare_return_variable): If the return variable
11682 was marked as a non gimple complex, set the return slot variable
11683 to be a non gimple comple variable.
11685 2006-01-13 Richard Guenther <rguenther@suse.de>
11687 * builtins.c (expand_builtin_sincos): New function.
11688 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11690 (expand_builtin): Expand sincos using expand_builtin_sincos.
11692 2006-01-12 DJ Delorie <dj@redhat.com>
11694 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11695 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11696 so that constant shifts can be split.
11697 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11698 (m32c_valid_pointer_mode): Make static.
11699 (shift_gen_func_for): New.
11700 (m32c_prepare_shift): Use it. Split large const shifts into
11702 * config/m32c/predicates.md (shiftcount_operand): Allow more
11704 (longshiftcount_operand): New.
11705 * doc/md.texi (Machine Constraints): Document In6.
11707 2006-01-13 Ben Elliston <bje@au.ibm.com>
11709 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11710 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11713 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11715 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11716 to try to avoid clobbering pieces of structures when we know
11717 something about the whole structure.
11718 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11720 2006-01-13 Ben Elliston <bje@au.ibm.com>
11722 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11723 return in memory, as this is no limitation is no longer present.
11725 2006-01-12 DJ Delorie <dj@redhat.com>
11727 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11728 mova with fb, and for fb+0 -> An.
11730 * config/m32c/mov.md (peephole2): Fix enabling logic.
11732 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11733 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11734 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11735 FINI_ARRAY_SECTION_ASM_OP): Define.
11737 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11739 (m32c_legitimize_reload_address): New logic to reload FB to An.
11740 (m32c_output_reg_push): Add newline.
11741 (m32c_output_reg_pop): Likewise.
11743 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11745 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11747 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11749 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11751 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11753 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11756 2006-01-11 Ben Elliston <bje@au.ibm.com>
11758 * rtlanal.c (find_reg_note): Assert insn is not null.
11760 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11762 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11765 2006-01-11 Jeff Law <law@redhat.com>
11767 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11769 (mark_threaded_blocks, register_jump_thread): New functions.
11770 (thread_through_all_blocks): Remove unwanted argument. No
11771 longer rely on e->aux to communicate thread target info.
11772 Call mark_threaded_blocks. Release the threaded_blocks
11773 bitmap and threaded_edges vector when complete.
11774 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11775 (threaded_blocks): Remove.
11776 (tree_ssa_dominator_optimize): Remove initialization and
11777 finalization of threaded_blocks. Simplify call to
11778 thread_through_all_blocks.
11779 (thread_across_edge): Call register_jump_thread rather than
11780 storing thread information into e->aux.
11781 (free_all_edge_infos): Simplify now that e->aux is no longer
11782 used to communicate with thread_through_all_blocks.
11783 * tree-flow.h (thread_through_all_blocks): Update prototype.
11784 (register_jump_thread): Prototype.
11786 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11788 * df-core.c (df_compact_blocks, df_bb_replace): Use
11789 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11791 2006-01-11 Richard Guenther <rguenther@suse.de>
11793 PR tree-optimization/25734
11794 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11795 stop propagation after successful propagation to the LHS.
11797 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11799 * basic-block.h (control_flow_graph): Change the type of
11800 x_basic_block_info to VEC(basic_block,gc) *.
11801 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11803 (SET_BASIC_BLOCK): New.
11804 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11805 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11806 * cfgbuild.c (find_basic_blocks): Likewise.
11807 * cfglayout.c (fixup_reorder_chain): Likewise.
11808 * cfgrtl.c (create_basic_block_structure,
11809 rtl_create_basic_block): Likewise.
11810 * ifcvt.c (find_if_case_1): Likewise.
11811 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11814 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11816 * Makefile.in: Removed rotted odf.c entry.
11818 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11821 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11822 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11823 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11824 output pattern modifier, not %e.
11825 * config/cris/cris.c (cris_op_str): Update comment about pattern
11827 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11828 before falling through into...
11829 <case 'E'>: Redefined from old 'e' case.
11831 2006-01-11 Jan Hubicka <jh@suse.cz>
11834 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11836 2006-01-11 Jan Hubicka <jh@suse.cz>
11838 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11839 * i386.c (x86_decompose_lea): Kill.
11840 (ix86_rtx_costs): Kill.
11842 2006-01-11 Jan Hubicka <jh@suse.cz>
11844 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11845 * cgraph.h (cgraph_node): Add inline_decl.
11846 (cgraph_insert_node_to_hashtable): Declare.
11847 (save_inline_function_body): Declare.
11848 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11850 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11851 (cgraph_function_versioning): Update call of tree_function_versioning.
11852 (save_inline_function_body): New function.
11853 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11854 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11855 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11856 (cgraph_default_inline_p): Likewise.
11857 (cgraph_decide_inlining_incrementally): Likewise.
11858 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11859 (copy_bb): Kill saving; do updating of clones.
11860 (copy_cfg_body): Kill saving.
11861 (initialize_inlined-parameters): Likewise.
11862 (expand_call_inline): Likewise.
11864 (tree_function_versioning): New parameter "update_clones".
11865 (inlining_p): Kill saving.
11866 * tree-inline.h (tree_function_versioning): Update prototype.
11867 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11870 2006-01-11 Ian Lance Taylor <ian@airs.com>
11872 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11873 Allow undoing set of machine mode.
11874 (do_SUBST): Use enums instead of is_int.
11875 (do_SUBST_MODE): New function.
11876 (SUBST_MODE): New macro.
11877 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11878 reg and trying to replace reg_regno_rtx with a new register.
11879 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11880 (simplify_set): Use SUBST_MODE.
11881 (distribute_notes): Remove code that tried to update reg notes
11882 for regno_reg_rtx changes.
11884 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11886 PR tree-optimization/23109
11887 PR tree-optimization/23948
11888 PR tree-optimization/24123
11890 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11891 * tree-cfg.c (single_noncomplex_succ): New.
11892 * tree-flow.h (single_noncomplex_succ): Declare it.
11893 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11894 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11895 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11896 insert_bb, register_division_in, insert_reciprocals,
11897 replace_reciprocal, free_bb): New.
11898 (execute_cse_reciprocals_1): Rewritten.
11899 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11900 Do not commit any edge insertion. Always compute dominators and
11901 create the allocation pool.
11902 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11903 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11904 * targhooks.c (default_min_divistions_for_recip_mul): New.
11905 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11906 * passes.c (init_optimization_passes): Run recip after tree loop
11908 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11910 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11911 Kenneth Zadeck <zadeck@naturalbridge.com>
11913 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11914 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11915 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11916 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11917 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11918 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11919 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11920 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11921 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11922 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11923 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11924 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11925 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11926 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11927 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11928 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11929 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11930 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11931 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11932 DF_SCAN_POST_ALLOC): New macros.
11933 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11934 df_free_bb_function, df_local_compute_function, df_init_function,
11935 df_dataflow_function, df_confluence_function_0,
11936 df_confluence_function_n, df_transfer_function,
11937 df_finalizer_function, df_free_function, df_dump_problem_function,
11938 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11939 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11940 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11941 df_urec_bb_info, ) New types.
11942 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11944 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11945 df_analyze_simple_change_some_blocks,
11946 df_analyze_simple_change_one_block, df_compact_blocks,
11947 df_bb_replace, df_bb_regno_last_use_find,
11948 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11949 df_insn_regno_def_p, df_find_def, df_find_use,
11950 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11951 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11952 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11953 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11954 debug_df_chain, df_get_dependent_problem, df_chain_create,
11955 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11956 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11957 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11958 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11959 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11960 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11961 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11962 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11963 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11964 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11965 df_reorganize_refs, df_set_state, df_hard_reg_init,
11966 df_read_modify_subreg_p) New public functions.
11967 * df-core.c: The core dataflow solver and glue routines for rtl
11969 (df_init, df_add_problem, df_set_blocks, df_finish,
11970 df_hybrid_search_forward, df_hybrid_search_backward,
11971 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11972 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11973 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11974 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11975 df_reg_defined, df_find_use, df_reg_used, df_dump,
11976 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11977 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11978 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11979 debug_df_useno, reset_df_after_reload): New functions.
11980 * df-scan.c: The scanning fuctions, once in df.c, completely
11981 rewritten so that they now fully model the functionality of
11982 register usage at the backend.
11983 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11984 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11985 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11986 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11987 df_get_artificial_defs, df_get_artificial_uses,
11988 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11989 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11990 df_refs_delete, df_reorganize_refs, df_set_state,
11991 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11992 df_def_record_1, df_defs_record, df_uses_record,
11993 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11994 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11995 df_record_exit_block_uses, df_hard_reg_init): New functions.
11997 * df-problems.c: Seven concrete dataflow problems that use the
11998 scanning in df-scan.c and are solved by the engine in df-core.c.
11999 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12000 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12001 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12002 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12003 df_ru_free_bb_info, df_ru_alloc,
12004 df_ru_bb_local_compute_process_def,
12005 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12006 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12007 df_ru_transfer_function, df_ru_free, df_ru_dump,
12008 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12009 df_rd_free_bb_info, df_rd_alloc,
12010 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12011 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12012 df_rd_transfer_function, df_rd_free, df_rd_dump,
12013 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12014 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12015 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12016 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12017 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12018 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12019 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12020 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12021 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12022 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12023 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12024 df_urec_mark_reg_use_for_earlyclobber,
12025 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12026 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12027 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12028 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12029 df_chain_create_bb_process_use, df_chain_create_bb,
12030 df_chain_finalize, df_chain_free, df_chains_dump,
12031 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12032 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12033 df_reg_lifetime): New functions.
12034 * df.c: Deleted file.
12035 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12036 consistent with new df api.
12037 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12038 rest_of_handle_sms): Ditto.
12039 * web.c (unionfind_union, union_defs, entry_register, web_main):
12041 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12042 invariant_expr_equal_p, find_defs, check_dependencies,
12043 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12044 free_inv_motion_data, move_loop_invariants): Ditto.
12045 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12046 Update dependencies.
12047 (odf.c): Added defective entry that was deleted later in day.
12048 * sched-deps.c (sched_analyze_1): Ditto.
12050 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12052 * tree-ssa-operands.c (get_expr_operands): Record addressable
12053 variables directly. Do not call add_stmt_operands for CONST_DECLs
12055 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12056 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12058 2006-01-11 Ben Elliston <bje@au.ibm.com>
12060 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12061 function returns true in the positive case.
12063 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12066 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12067 for SI, DI, SF and DF modes. Add alternatives to copy between
12068 general and floating point registers to the 32-bit patterns.
12069 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12070 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12071 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12072 generating 64-bit code.
12073 * config/pa/pa.c (output_move_double): Handle copies between general
12074 and floating registers.
12076 2006-01-10 Stuart Hastings <stuart@apple.com>
12078 * config/i386/i386.md (set_got): Update.
12079 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12080 (builtin_setjmp_receiver): Mach-O support.
12081 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12082 (GOT_SYMBOL_NAME): Define.
12083 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12084 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12085 * config/i386/i386.c (override_options): Revise for Darwin.
12086 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12087 support. (darwin_x86_file_end): New. (output_set_got): Add label
12088 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12089 * config/i386/i386-protos.h (output_set_got): Likewise.
12090 * config/darwin.c (machopic_legitimize_pic_address): Update
12093 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12095 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12096 when MODE isn't BLKmode.
12098 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12100 PR rtl-optimization/25367
12101 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12103 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12106 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12107 for a negative bound.
12109 2006-01-10 Richard Guenther <rguenther@suse.de>
12111 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12112 Never override with anything constraint.
12114 2006-01-10 Jan Beulich <jbeulich@novell.com>
12116 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12117 256 bits when optimize_size.
12119 2006-01-10 Jan Beulich <jbeulich@novell.com>
12121 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12123 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12124 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12127 2006-01-10 Ben Elliston <bje@au.ibm.com>
12129 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12131 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12132 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12133 (USE_FP_FOR_ARG): Reject decimal float modes.
12134 (function_arg_advance): Likewise.
12135 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12136 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12137 point types in AltiVec vectors.
12138 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12139 (rs6000_libcall_value): Likewise.
12141 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12143 * config/xtensa/ieee754-df.S: New file.
12144 * config/xtensa/ieee754-sf.S: New file.
12145 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12146 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12147 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12149 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12151 * config/sh/predicates.md (binary_float_operator,
12152 binary_logical_operator, commutative_float_operator,
12153 equality_comparison_operator, greater_comparison_operator,
12154 less_comparison_operator, logical_operator,
12155 noncommutative_float_operator, shift_operator,
12156 symbol_ref_operand, unary_float_operator): Remove redundant
12159 2006-01-09 Jeff Law <law@redhat.com>
12161 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12162 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12163 now unused arguments. Callers updated.
12164 (eliminate_redundant_computations): Remove now unused arguments,
12166 (local_fold): Remove, no longer used.
12167 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12169 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12170 (simplify_cond): New function.
12171 (forward_propagate_into_cond): Call simplify_cond.
12173 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12175 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12176 (*vec_extractv2di_1_sse): New.
12178 2006-01-09 Ben Elliston <bje@au.ibm.com>
12180 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12182 2006-01-08 Richard Guenther <rguenther@suse.de>
12184 * tree-ssa-structalias.c (get_constraint_for): Remove
12185 anyoffset argument.
12186 (get_constraint_for_component_ref): Likewise.
12187 (do_deref): Likewise.
12188 (get_constraint_for): Likewise.
12189 (do_structure_copy): Likewise.
12190 (handle_ptr_arith): Likewise.
12191 (find_func_aliases): Likewise. Remove unused need_anyoffset
12194 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12195 Kaz Kojima <kkojima@gcc.gnu.org>
12197 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12198 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12199 (EXTRA_CONSTRAINT_C16): Remove.
12200 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12201 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12202 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12203 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12204 constants of SHmedia. Handle nested constant expressions of
12206 (andcosts): Fix the costs for SHmedia constants.
12207 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12208 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12209 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12210 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12211 (movv4hi_i, movv2si_i): Likewise.
12212 (movsi_const): Adjust the second operand of ior so to match with
12213 the Csu constraint.
12214 (movdi_const, movdi_const_32bit): Likewise.
12215 (movdi_const_16bit+1): Don't sign-extend LOW.
12216 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12218 (*double_shori): Fix the split condition. Use GEN_INT instead
12219 of get_int_mode calls. Mask lower 16-bit of the argument of
12221 (sym2GOTPLT): Remove.
12222 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12224 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12225 instead of EXTRA_CONSTRAINT_C16.
12227 2006-01-07 Ian Lance Taylor <ian@airs.com>
12228 David Edelsohn <edelsohn@gnu.org>
12230 PR rtl-optimization/25662
12231 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12232 for constant operands instead of simplify_gen_binary.
12233 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12234 after trying simplify_binary_operation
12236 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12238 * tree.c (iterative_hash_expr): Hash decls based on UID.
12240 2006-01-06 Eric Christopher <echristo@apple.com>
12242 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12243 (TARGET_UNWIND_EMIT): Fix spelling.
12244 * target.h (gcc_target): Add except_table_label.
12245 * except.c (output_function_exception_table): Use.
12246 * varasm.c (default_emit_except_table_label): New.
12247 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12249 (asm_out): Add here.
12250 * output.h (default_emit_except_table_label): Prototype.
12251 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12252 * config/darwin.c (darwin_emit_except_table_label): Define.
12253 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12255 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12257 PR tree-optimization/18527
12258 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12259 number_of_iterations_special, number_of_iterations_exit):
12260 Move base and step of an iv to a single structure. Add
12261 no_overflow flag, and use it in # of iterations analysis.
12262 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12263 folded_casts argument.
12264 (simple_iv): Pass base and step in a structure. Set no_overflow
12266 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12267 Evaluate expensiveness of computing # of iterations instead of
12268 the final expression.
12269 * tree-scalar-evolution.h (affine_iv): New structure.
12270 (simple_iv): Declaration changed.
12271 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12272 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12273 find_givs_in_stmt): Changed due to simple_iv change.
12275 2006-01-06 Jeff Law <law@redhat.com>
12278 * tree-cfg.c (bsi_replace): Rename final argument from
12279 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12280 change (stmt -> orig_stmt).
12281 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12282 (bsi_remove): Add new argument. Remove EH information
12284 (verify_eh_throw_table_statements): New function.
12285 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12287 * tree-optimize.c (execute_free_cfg_annotations): Verify
12288 the EH throw statement table after removing annotations.
12289 * except.h (verify_eh_throw_table_statements): Prototype.
12290 * tree-flow.h (bsi_remove): Update prototype.
12291 * tree-vrp.c (remove_range_assertions): Add new argument to
12293 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12294 * tree-complex.c (expand_complex_div_wide): Likewise.
12295 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12296 * tree-tailcall.c (eliminate_tailcall): Likewise.
12297 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12298 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12299 * tree-nrv.c (tree_nrv): Likewise.
12300 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12301 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12302 (combine_blocks): Likewise.
12303 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12304 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12305 (cleanup_control_flow): Likewise.
12306 (remove_forwarder_block): Likewise.
12307 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12308 * tree-sra.c (sra_replace): Likewise.
12309 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12310 (forward_propagate_single_use_vars): Likewise.
12311 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12312 * tree-inline.c (expand_call_inline): Likewise.
12313 * tree-vect-transform.c (vect_transform_loop): Likewise.
12314 * tree-outof-ssa.c (rewrite_trees): Likewise.
12315 * tree-cfg.c (make_goto_expr_edges): Likewise.
12316 (cleanup_dead_labels): Likewise.
12317 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12318 (bsi_move_before, bsi_move_after): Likewise.
12319 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12320 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12322 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12325 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12327 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12328 on non gimple variables. Also add checks at the top for decls and
12330 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12332 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12333 and IMAGPART_EXPR for creating MUST_DEFs.
12334 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12335 and NAME_MEMORY_TAG separately from the DECLs.
12337 2006-01-06 Richard Guenther <rguenther@suse.de>
12339 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12340 annotation, if necessary.
12341 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12342 redundant calls to update_stmt.
12343 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12346 2006-01-05 Richard Henderson <rth@redhat.com>
12348 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12350 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12352 * c-typeck.c: Update copyright date.
12354 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12356 * c-typeck.c (build_c_cast): Always warn when casting
12357 from a pointer to an integer of different size, even if
12358 the node was constant.
12360 2006-01-05 Richard Guenther <rguenther@suse.de>
12362 PR tree-optimization/22555
12363 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12364 if one structure field is an array.
12365 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12366 operands even if we found a subvar, but ignore VOPs in this
12368 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12370 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12372 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12374 PR middle-end/24998
12375 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12377 2006-01-05 Richard Guenther <rguenther@suse.de>
12378 Diego Novillo <dnovillo@redhat.com>
12380 * tree-pass.h (TODO_remove_unused_locals): Define.
12381 * gimple-low.c (expand_var_p, remove_useless_vars,
12382 pass_remove_useless_vars): Remove. Update all users.
12383 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12384 (remove_unused_locals): New function.
12385 * tree-flow.h (remove_unused_locals): Declare.
12386 * passes.c (execute_todo): Call remove_unused_locals if
12387 TODO_remove_unused_locals is set.
12388 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12389 * tree-ssa-dce.c (pass_dce): Likewise.
12390 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12392 2006-01-05 Richard Guenther <rguenther@suse.de>
12394 * tree-flow.h (struct fieldoff): Decompose field to
12395 type, size and decl.
12396 * tree-ssa-alias.c (create_sft): Take type as parameter.
12397 (create_overlap_variables_for): Store type, size and decl
12398 in the fieldoff structure.
12399 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12400 of struct fieldoff.
12401 (push_fields_onto_fieldstack): Likewise.
12402 (create_variable_info_for): Likewise. Use offset for the
12403 SFT name if the decl is not available.
12405 2006-01-04 Paul Brook <paul@codesourcery.com>
12407 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12409 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12411 * lambda-code.c (can_put_in_inner_loop): Relax
12413 (can_put_after_inner_loop): New function.
12414 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12415 (perfect_nestify): Change to make copies and modify uses.
12417 2006-01-04 Richard Henderson <rth@redhat.com>
12419 Merge from gomp branch:
12420 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12421 via integer constant.
12422 (pragma_lex): Remove.
12423 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12424 rather than parsing it.
12425 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12426 handle_pragma_extern_prefix): Add %< %> quotes.
12427 (registered_pragmas): New.
12428 (c_register_pragma_1): New.
12429 (c_register_pragma): Use it.
12430 (c_register_pragma_with_expansion): Likewise.
12431 (c_invoke_pragma_handler): New.
12432 (init_pragma): Use cpp_register_deferred_pragma directly for
12434 * c-pragma.h (enum pragma_kind): New.
12435 (pragma_handler): New.
12436 (c_invoke_pragma_handler): Declare.
12437 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12439 * c-common.h (c_common_pch_pragma): Update decl.
12440 * Makefile.in (c-parser.o): Update dependencies.
12441 (GTFILES): Add c-pragma.h.
12442 * c-parser.c (struct c_token): Add pragma_kind.
12443 (struct c_parser): Add in_pragma.
12444 (c_lex_one_token): Always initialize keyword and pragma_kind.
12445 Extract data for CPP_PRAGMA.
12446 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12447 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12448 Don't allow CPP_PRAGMA_EOL if in_pragma.
12449 (c_parser_consume_pragma): New.
12450 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12451 (c_parser_skip_to_end_of_parameter): Likewise.
12452 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12453 (c_parser_skip_to_pragma_eol): New.
12454 (c_parser_external_declaration): Handle CPP_PRAGMA.
12455 (c_parser_compound_statement_nostart): Likewise.
12456 (c_parser_statement_after_labels): Likewise.
12457 (c_parser_pragma): New.
12458 (pragma_lex): Likewise.
12459 (c_parser_pragma_pch_preprocess): New.
12460 (c_parser_new): Merge into ...
12461 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12463 2006-01-04 Jeff Law <law@redhat.com>
12466 * tree-cfg.c (bsi_replace): Remove the original statement
12467 from the EH throw statement table.
12469 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12471 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12472 make the prototype extern "C" and add throw ().
12475 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12476 and pos non-negative and pos + len <= 32.
12477 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12478 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12479 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12482 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12483 as well as sizes not multiple of component size.
12486 * function.c (instantiate_expr): New function.
12487 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12488 walk its DECL_VALUE_EXPR with instantiate_expr.
12490 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12491 DW_OP_deref{,_size} if address isn't going to be added.
12493 2006-01-04 Ben Elliston <bje@au.ibm.com>
12495 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12496 * config/fp-bit.c: Likewise.
12498 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12500 * dominance.c: Add comment about why we use DFS numbering
12503 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12504 Richard Henderson <rth@redhat.com>
12506 Merge from gomp-branch:
12507 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12508 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12510 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12512 PR rtl-optimization/25578
12513 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12514 pass a parameter to simplify_shift_const if changing ASHIFTRT
12517 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12519 * builtins.c (get_builtin_sync_mem): New function.
12520 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12521 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12522 Call get_builtin_sync_mem to generate mem rtx.
12524 2006-01-03 Richard Guenther <rguenther@suse.de>
12527 * stmt.c (add_case_node): Make sure to clear overflow flags
12530 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12532 Merge from gomp-branch.
12533 * config/sparc/sync.md: New file.
12534 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12535 UNSPECV_LDSTUB): New constants.
12536 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12537 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12538 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12541 2006-01-03 Roger Sayle <roger@eyesopen.com>
12543 * combine.c (reg_subword_p): New predicate to test whether the
12544 destination of a set refers to a subword/piece of a register.
12545 (try_combine): Generalize the code to merge the setting of a
12546 pseudo to a constant followed by a set of a subword of that
12547 register to a constant.
12549 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12551 * basic-block.h (control_flow_graph): Change the type of
12552 x_label_to_block_map to VEC(basic_block,gc) *.
12553 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12554 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12556 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12557 VEC(basic_block,heap) *.
12558 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12559 ssa_prop_fini): Adjust the uses of cfg_blocks.
12561 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12563 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12565 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12566 hashing trees instead of a pointer hash.
12567 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12568 compare for MEM_EXPR.
12570 PR rtl-optimization/25130
12571 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12572 when comparing MEMs for GCSE
12574 2006-01-03 Ben Elliston <bje@au.ibm.com>
12576 * targhooks.h (default_decimal_float_supported_p): Declare.
12577 * targhooks.c (default_decimal_float_supported_p): Define.
12578 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12579 `default_decimal_float_supported_p'.
12580 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12582 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12584 * combine.c (apply_distributive_law <SUBREG>): Check
12585 TRULY_NOOP_TRUNCATION.
12587 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12589 * dwarf2out.c (have_switched_text_section): Delete.
12590 (have_multiple_function_sections): New.
12591 (have_location_lists): Make 'bool'.
12592 (add_AT_loc_list): Use 'true' not '1'.
12593 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12594 (output_loc_list): Use have_multiple_function_sections.
12595 (output_ranges): Likewise.
12596 (dwarf2out_begin_function): Set have_multiple_function_sections if
12598 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12599 Check function_section rather than DECL_SECTION_NAME.
12600 (dwarf2out_finish): Use have_multiple_function_sections.
12601 Don't clear have_location_lists.
12603 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12604 Jan Hubicka <jh@suse.cz>
12606 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12607 case of conditional jump jumping to the next instruction.
12608 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12609 cases of conditional jump jumping to the next instruction.
12611 2006-01-02 Jan Hubicka <jh@suse.cz>
12613 * i386.c (*_cost): Add COSTS_N_INSNS.
12614 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12616 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12619 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12621 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12623 * config/arm/arm.c (all_fpus): Fix comment typo.
12624 * config/darwin.c: Likewise.
12625 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12626 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12627 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12629 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12631 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12632 (rs6000_split_compare_and_swapqhi): New.
12633 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12634 (sync_compare_and_swapqhi_internal): New.
12635 * config/rs6000/rs6000-protos.h: Declare.