| blob | 8f91736fdc9b89d62a3d0074b4251f669862f4dd |
1 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10 spelling convensions.
11 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13 typos. Follow spelling conventions.
15 2006-04-07 DJ Delorie <dj@redhat.com>
17 * config/m32c/m32c.c (m32c_function_arg): Structures are always
18 passed on the stack.
19 (m32c_init_cumulative_args): When a function returns a structure,
20 always pass the pointer to that return area on the stack.
21 (m32c_function_arg_advance): Don't increment the parameter number
22 if we're processing the returned structure pointer.
23 (pushm_info): Reverse order of registers.
25 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
27 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
28 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
29 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
30 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
31 build_int_cst_type.
32 * tree-chrec.c (chrec_fold_multiply_poly_poly,
33 chrec_fold_multiply): Same.
34 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
35 force_expr_to_var_cost): Same.
36 * tree-mudflap.c (mf_xform_derefs_1): Same.
37 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
39 2006-04-07 David Edelsohn <edelsohn@gnu.org>
41 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
42 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
43 insn.
45 2006-04-07 Jan Hubicka <jh@suse.cz>
47 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
49 2006-04-07 Richard Guenther <rguenther@suse.de>
51 PR tree-optimization/26135
52 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
53 loads for store copy-prop.
54 (copy_prop_visit_stmt): Likewise.
56 2006-04-05 Robert Millan <robertmh@gnu.org>
58 * gcc/config/i386/linux.h: Add a comment to mark macros that are
59 being overriden in config/k*bsd-gnu.h.
60 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
61 DYNAMIC_LINKER.
62 * gcc/config/knetbsd-gnu.h: Ditto.
64 2006-04-06 Jan Hubicka <jh@suse.cz>
66 PR profile/20815
67 PR profile/26399
68 * coverage.c (coverage_checksum_string): Reorganize loop to not read
69 after buffer.
71 2006-04-06 Mike Stump <mrs@apple.com>
73 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
74 for HAVE_nonlocal_goto to be consistent.
75 (expand_builtin_nonlocal_goto): Likewise.
76 (expand_builtin_strcmp): Use #ifdef instead of #if
77 for HAVE_cmpstrnsi to be consistent.
79 2006-04-05 DJ Delorie <dj@redhat.com>
81 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
82 vs m32c.
84 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
86 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
87 got-relative addressing for anything but SImode.
89 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
90 even if the calling function doesn't modify them.
92 2006-04-05 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/26919
95 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
96 to cgraph_estimate_size_after_inlining.
98 2006-04-05 Alan Modra <amodra@bigpond.net.au>
100 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
102 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
104 PR tree-optimization/26996
105 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
106 VECTOR_TYPE variables.
108 2006-04-05 Richard Guenther <rguenther@suse.de>
110 PR tree-optimization/26763
111 * fold-const.c (fold_comparison): Move folding of
112 PTR + CST CMP PTR + CST ...
113 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
115 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
117 * doc/install.texi (Prerequisites): Refine some wording on
118 bootstrapping and ksh.
119 Move the version numbers of DejaGnu here from the testing section
120 and fix casing of names.
121 Fix markup and clarify wording for autogen requirements.
122 Refer to GCJ instead of just java.
123 Refer to SVN instead of CVS.
124 Describe diffutils as useful instead of necessary.
125 (Downloading the source): Refer to SVN instead of CVS.
126 Adjust a link to our web site accordingly.
127 (Configuration): Fix casing of Bison.
128 (Building): Refer to SVN instead of CVS.
129 Fix a sentence on the use of Bison and remove duplicate (and
130 incorrect) version number of Bison requirement.
131 Remove one redundant list of packages needed for building.
132 (Specific): Avoid reference to CVS.
134 2006-04-04 Eric Christopher <echristo@apple.com>
136 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
137 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
138 (rs6000_handle_struct_attribute): New.
139 (rs6000_ms_bitfield_layout_p): Ditto.
141 2006-04-04 Geoffrey Keating <geoffk@apple.com>
143 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
144 NULL for dso parameter to atexit_common.
146 2006-04-04 Eric Christopher <echristo@apple.com>
148 * config/i386/i386.c (machopic_output_stub): Output \t
149 between instructions and operands.
151 2006-04-04 David Edelsohn <edelsohn@gnu.org>
153 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
154 satisfies_constraint_[IL] to explicit tests on value.
156 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
158 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
159 set_nb_iterations_in_loop): Use build_int_cst instead of
160 build_int_cst_type.
161 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
162 build_int_cst instead of convert.
164 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
166 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
167 new value 2 for incoming.
168 * function.c (expand_function_start): Call struct_value_rtx
169 with incoming as 2.
170 * config/sparc/sparc.md: Comment updated_return.
171 * config/sparc/sparc.opt: Add -mstd-struct-return option.
172 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
173 struct return if sparc_std_struct_return and incoming is 2.
174 (print_operand): Do not adjust return if
175 sparc_std_struct_return.
177 2006-04-04 Roger Sayle <roger@eyesopen.com>
179 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
180 convert in the middle-end.
181 * expr.c (store_expr, store_constructor, get_inner_reference,
182 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
183 Likewise.
184 * tree.c (build_range_type): Likewise.
186 2006-04-04 Tom Tromey <tromey@redhat.com>
188 * doc/install.texi (Prerequisites): Mention jar.
190 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
192 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
193 subsection.
195 2006-04-04 Matthias Klose <doko@debian.org>
197 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
199 2006-04-03 Geoffrey Keating <geoffk@apple.com>
201 * doc/extend.texi (Function Attributes): Rewrite visibility
202 attribute documentation.
203 * doc/invoke.texi (C++ Dialect Options): Rewrite
204 -fvisibility-inlines-hidden documentation to describe something
205 entirely different, although in practise compatible.
206 (Code Gen Options): Warn about system headers in -fvisibiltity=
207 documentation.
209 * doc/extend.texi (Other Builtins): Document that
210 __builtin_nan is a compile-time constant only when its argument
211 is valid.
213 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
215 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
216 trying to remove TRUNCATE check if all bits outside the new mode
217 are identical to the sign bit.
219 2006-04-03 Jeff Law <law@redhat.com>
221 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
222 and operand scanning in some common cases.
224 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
225 Dale Johannesen <dalej@apple.com>
227 PR target/19653
228 * regclass.c (struct reg_pref): Update documentation.
229 (regclass): Set prefclass to NO_REGS if memory is the best option.
230 (record_reg_classes): Cope with a prefclass set to NO_REGS.
231 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
232 into account. For non-registers, equate an empty preferred
233 reload class to a `!' in the constraint; move the if clause to
234 do so after those that reject the insn.
235 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
236 return NO_REGS.
237 (find_dummy_reload): Likewise.
238 * doc/tm.texi (Register Classes): Document what it means
239 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
240 * config/i386/i386.c (ix86_preferred_reload_class): Force
241 using SSE registers (and return NO_REGS for floating-point
242 constants) if math is done with SSE.
243 (ix86_preferred_output_reload_class): New.
244 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
245 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
246 * config/i386/i386.md: Remove # register preferences.
248 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
250 PR bootstrap/26992
251 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
252 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
253 the type of nb_iter.
254 (instantiate_parameters_1): Convert the operands before calling
255 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
256 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
258 2006-04-02 Roger Sayle <roger@eyesopen.com>
260 * builtins.c (dummy_object): Use build_int_cst instead of convert.
261 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
262 instead of convert.
263 * dojump.c (do_jump): Likewise.
264 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
265 * gimplify.c (gimple_boolify, gimplify_init_constructor,
266 gimplify_boolean_expr): Likewise.
267 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
268 * varasm.c (array_size_for_constructor): Likewise.
269 * tree-object-size.c (compute_object_offset): Likewise.
271 2006-04-02 Roger Sayle <roger@eyesopen.com>
273 PR middle-end/26977
274 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
275 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
277 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
279 PR tree-optimization/26939
280 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
282 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
284 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
285 at_stmt. Convert the type of operands before calling
286 build_polynomial_chrec.
287 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
288 add_to_evolution_1.
289 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
290 (instantiate_parameters_1): Convert the type of operands before calling
291 build_polynomial_chrec.
292 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
293 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
294 reset_evolution_in_loop): Insert asserts to check the types of the
295 operands.
296 (chrec_type): Moved...
297 (eq_evolutions_p): Use operand_equal_p.
298 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
299 the types of the operands.
300 (chrec_type): ...here.
301 * tree-data-ref.c (create_data_ref): Convert the operands before
302 calling chrec_replace_initial_condition.
303 (same_access_functions, analyze_subscript_affine_affine,
304 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
305 (compute_subscript_distance, analyze_ziv_subscript,
306 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
307 analyze_miv_subscript): Convert the operands before calling
308 chrec_fold_minus or chrec_fold_plus.
310 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
312 * tree-data-ref.c (compute_all_dependences): Use a pointer to
313 the dependence_relations vector.
314 (compute_data_dependences_for_loop): Adjust call to
315 compute_all_dependences.
317 2006-04-01 Roger Sayle <roger@eyesopen.com>
318 Richard Henderson <rth@redhat.com>
320 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
321 gimple_boolify on the condition before calling gimplify_expr.
323 2006-03-31 Bob Wilson <bob.wilson@acm.org>
325 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
326 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
327 the frame size. Update to use the new macros.
328 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
329 * config/xtensa/ieee754-df.S: Likewise.
331 2006-03-31 Richard Henderson <rth@redhat.com>
333 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
334 (make_edges): ... here. Control fallthru creation with a local
335 variable. Do not play with fake edges.
336 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
337 (make_goto_expr_edges): Don't play with fake edges. Make for_call
338 a boolean.
340 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
342 * dwarf2.h (DW64_CIE_ID): Define.
343 * dwarf2out.c (DWARF_CIE_ID): Define.
344 (output_call_frame_info): Output 0xffffffff before standard 8-byte
345 length header. Use DWARF_CIE_ID.
346 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
347 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
349 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
351 * config/sh/linux-atomic.asm: New file.
352 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
354 2006-03-31 DJ Delorie <dj@redhat.com>
356 * config/m32c/cond.md: Set condition flags properly throughout.
357 * config/m32c/minmax.md: Likewise.
358 * config/m32c/prologue.md: Likewise.
359 * config/m32c/bitops.md: Likewise.
360 * config/m32c/muldiv.md: Likewise.
361 * config/m32c/mov.md: Likewise.
362 * config/m32c/addsub.md: Likewise.
363 * config/m32c/m32c.md: Likewise.
364 * config/m32c/jump.md: Likewise.
365 * config/m32c/shift.md: Likewise.
367 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
368 conditionally output the pattern for this.
369 * config/m32c/m32c.c (flags_needed_for_conditional): New.
370 (m32c_compare_redundant): New.
371 (m32c_output_compare): New.
372 * config/m32c/m32c-protos.h (m32c_output_compare): New.
374 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
375 dest, not src. Allow other 4-byte modes.
377 2006-03-30 Denis Chertykov <denisc@overta.ru>
379 * doc/md.texi: Refer to avr/constraints.md instead of
380 avr/avr.h.
382 2006-03-30 Roger Sayle <roger@eyesopen.com>
384 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
385 signed vs. unsigned comparison failures on some hosts.
387 2006-03-31 Alan Modra <amodra@bigpond.net.au>
389 PR target/26459
390 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
391 change to FLOAT_REGS.
393 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
394 (rs6000_override_options): Use it.
395 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
396 only for -mabi=spe/no-spe and -mabi=altivec.
398 2006-03-30 Geoffrey Keating <geoffk@apple.com>
400 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
401 !Zdynamiclib.
403 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
405 * Makefile.in: Rename docdir to gcc_docdir.
407 2006-03-30 Roger Sayle <roger@eyesopen.com>
409 PR target/17959
410 * expr.c (emit_group_store): Optimize group stores into a pseudo
411 register by using a paradoxical subreg to initialize the destination
412 if the first or last member of the group specifies a "low part".
414 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
416 PR target/26734
417 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
418 * target.h (struct gcc_target.speculate_insn): Change type of the
419 second parameter to 'int'.
420 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
421 the second operand of the DEPS_LIST.
422 (copy_DEPS_LIST_list): Update reference to the second operand of the
423 DEPS_LIST.
424 * rtl.h (alloc_DEPS_LIST): Update signature.
425 * sched-int.h (ds_t): Change typedef to 'int'.
426 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
428 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
430 * haifa-sched.c (try_ready): Change condition to restore
431 non-speculative pattern of the instruction.
432 (process_insn_depend_be_in_spec): Code to keep probability of the
433 speculative dependence non-decreasing.
435 2006-03-30 Jie Zhang <jie.zhang@analog.com>
437 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
438 (single_move_for_movmem): ... this. Also change all uses.
439 (bfin_expand_strmov): Renamed to...
440 (bfin_expand_movmem): ... this. Also change all uses.
441 * config/bfin/bfin.md (movstrsi): Renamed to...
442 (movstrsi): ...this.
444 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
446 PR tree-optimization/26830
448 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
449 (copy_prop_visit_stmt): Remove write-only variable ann.
450 (init_copy_prop): Check variable loop depth here. Do not simulate
451 memory-tag and virtual operand PHIs except for store copy prop.
453 2006-03-30 Richard Guenther <rguenther@suse.de>
455 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
456 variants with double arguments.
458 2006-03-29 David Edelsohn <edelsohn@gnu.org>
460 * genpreds.c (write_tm_constrs_h): Delete variable p.
461 * genconditions.c (write_header): Add tm-constrs.h to included
462 headers.
463 * genpeep.c (main): Add toplev.h to included headers.
464 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
465 (build/genpeep.o): Add toplev.h dependency.
466 * config/rs6000/constraints.md: Add "W" constraint.
468 2006-03-29 Roger Sayle <roger@eyesopen.com>
470 * stor-layout.c (mode_for_size_tree): Remove restiction on type
471 sizes by correctly testing whether the size fits a host integer.
472 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
473 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
474 SImode range for the default sizetype and bitsizetype.
476 2006-03-29 Roger Sayle <roger@eyesopen.com>
478 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
479 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
480 quickly if the argument is already of the correct type.
481 Call fold_build1 instead of build1. Tidy up blank lines.
483 2006-03-29 David Edelsohn <edelsohn@gnu.org>
485 * genemit.c (main): Add tm-constrs.h to included headers.
486 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
487 * genpeep.c (main): Add tm-constrs.h to included headers.
488 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
489 (write_tm_constrs_h): this and write complete file.
490 (write_tm_preds_h): Do not emit satisfies_constraint fns.
491 (write_insn_preds_c): Add tm-constrs.h to included headers.
492 (gen_constrs): New variable.
493 (parse_option): Parse "-c".
494 (main): Invoke write_tm_constrs_h.
495 * genrecog.c (write_header): Add tm-constrs.h to included headers.
496 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
497 (object_out_file): Add tm-constrs.h dependency.
498 (insn-emit.o): Same.
499 (insn-output.o): Same.
500 (insn-peep.o): Same.
501 (insn-preds.o): Same.
502 (insn-recog.o): Same.
503 (tm-constsr.h): New target.
504 (s-constrs-h): New target.
506 * config/rs6000/constraints.md: New file.
507 * config/rs6000/rs6000.c: Include tm-constrs.h.
508 (num_insn_constant_wide): Convert to satisfies_constraint.
509 (rs6000_rtx_costs): Convert to satisfies_constraint.
510 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
511 (CONST_OK_FOR_LETTER_P): Delete.
512 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
513 (EXTRA_CONSTRAINT): Delete.
514 (EXTRA_MEMORY_CONSTRAINT): Delete.
515 (EXTRA_ADDRESS_CONSTRAINT): Delete.
516 * config/rs6000/predicates.md: Convert to satisfies_constraint.
517 * config/rs6000/rs6000.md: Include constraints.md. Convert to
518 satisfies_constraint.
520 * config/i386/i386.c: Include tm-constrs.h.
522 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
524 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
525 * tree-data-ref.c (find_data_references_in_loop,
526 compute_data_dependences_for_loop): Use pointers to VEC.
527 (analyze_all_data_dependences): Adjust calls.
528 * tree-data-ref.h (find_data_references_in_loop,
529 compute_data_dependences_for_loop): Adjust declarations.
530 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
531 compute_data_dependences_for_loop.
533 2006-03-29 Paul Brook <paul@codesourcery.com>
535 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
536 (movdf_vfp): Ditto.
538 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
540 PR tree-optimization/26859
541 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
542 division by zero.
543 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
544 for the step after fold_convert.
546 2006-03-29 Paul Brook <paul@codesourcery.com>
548 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
549 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
551 2006-03-29 Paul Brook <paul@codesourcery.com>
553 PR middle-end/23623
554 * targhooks.c (default_narrow_bitfield): New fuction.
555 * targhooks.h (default_narrow_bitfield): add prototype.
556 * target.h (gcc_target): Add narrow_volatile_bitfield.
557 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
558 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
559 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
560 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
562 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
564 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
565 tmake_file.
566 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
567 (NR_C_MODES): Add TDmode, DDmode and SDmode.
568 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
569 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
570 (s390_function_arg_float): Allow SDmode and DDmode values to be
571 passed in floating point registers.
572 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
573 check with SCALAR_FLOAT_MODE_P.
574 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
576 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
578 PR tree-optimization/25985
579 * tree-ssa-loop-niter.c (number_of_iterations_le,
580 number_of_iterations_ne): Make comments more precise.
581 (number_of_iterations_cond): Add only_exit argument. Use the
582 fact that signed variables do not overflow only when only_exit
583 is true.
584 (loop_only_exit_p): New.
585 (number_of_iterations_exit): Pass result of loop_only_exit_p to
586 number_of_iterations_cond.
588 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
590 PR tree-optimization/26643
591 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
592 bit_field_refs.
594 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
596 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
597 (divsi3_i4_int): Likewise.
599 2006-03-28 Roger Sayle <roger@eyesopen.com>
601 * expr.c (emit_group_store): Only create a new pseudo reg if the
602 quantity it needs to hold isn't already a suitable pseudo.
604 2006-03-28 Jeff Law <law@redhat.com>
606 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
607 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
609 2006-03-28 Roger Sayle <roger@eyesopen.com>
611 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
612 the equivalent ~X & Y, and the symmetry related transformations.
613 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
614 ~X & Y, and symmetry related transforms.
616 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
618 Revert my 2006-03-27 patches.
620 2006-03-28 Roger Sayle <roger@eyesopen.com>
622 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
623 ~(T1)X, when T1 and T2 are integer types of the same precision
624 and (T2)X isn't an extension.
626 2006-03-28 Jeff Law <law@redhat.com>
628 PR tree-optimization/26796
629 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
630 need EH edge cleanups rather than purging them immediately.
631 (eliminate_degenerate_phis): Handle queued EH cleanups.
633 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
635 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
636 from parent_var.
638 2006-03-27 Roger Sayle <roger@eyesopen.com>
640 PR middle-end/22524
641 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
642 cast BIT_NOT_EXPR operand to the correct type.
644 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
646 * tree-loop-linear.c: Don't include varray.h.
647 (gather_interchange_stats, try_interchange_loops,
648 linear_transform_loops): Use VEC instead of VARRAY.
649 * lambda-mat.c: Don't include varray.h.
650 * tree-chrec.c: Same.
651 * lambda-trans.c: Same.
652 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
653 VEC instead of VARRAY.
654 * tree-vectorizer.h: Idem.
655 * tree-data-ref.c (dump_data_references,
656 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
657 initialize_data_dependence_relation, finalize_ddr_dependent,
658 compute_all_dependences, find_data_references_in_loop,
659 compute_data_dependences_for_loop, analyze_all_data_dependences,
660 free_dependence_relation, free_dependence_relations,
661 free_data_refs): Idem.
662 * tree-data-ref.h (data_reference_p, subscript_p): New.
663 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
664 VEC instead of VARRAY.
665 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
666 (find_data_references_in_loop, compute_data_dependences_for_loop,
667 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
668 dump_data_dependence_relations, free_dependence_relations,
669 free_data_refs): Adjust declaration.
670 (lambda_transform_legal_p): Move declaration here...
671 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
672 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
673 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
674 vect_analyze_data_refs): Use VEC instead of VARRAY.
675 * lambda.h (lambda_transform_legal_p): ...from here.
676 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
677 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
678 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
679 tree-chrec.o): Don't depend on VARRAY_H.
681 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
683 * rtl.def (Copyright): Update date.
684 (DEPS_LIST): Change type of the second operand to 'int'.
685 * target.h (Copyright): Update date.
686 (struct gcc_target.speculate_insn): Change type of the second parameter
687 to 'int'.
688 * lists.c (Copyright): Update date.
689 (alloc_DEPS_LIST): Change signature. Update reference to the second
690 operand of the DEPS_LIST.
691 (copy_DEPS_LIST_list): Update reference to the second operand of the
692 DEPS_LIST.
693 * rtl.h (Copyright): Update date.
694 (alloc_DEPS_LIST): Update signature.
695 * sched-int.h (Copyright): Update date.
696 (ds_t): Change typedef to 'int'.
697 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
699 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
701 * haifa-sched.c (Copyright): Update date.
702 (try_ready): Change condition to restore non-speculative pattern
703 of the instruction.
704 (process_insn_depend_be_in_spec): Code to keep probability of the
705 speculative dependence non-decreasing.
707 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
709 * regrename.c (replace_oldest_value_addr): Initialize a variable to
710 shut up the compiler.
712 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
714 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
715 to use lib prefix for target.
716 ($(T)libic_invalidate_array_4-200.a): Likewise.
717 ($(T)libic_invalidate_array_4a.a): Likewise.
719 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
720 J"orn Rennecke <joern.rennecke@st.com>
722 * superh.opt: New file.
723 * sh.c (boardtype, osruntime): Remove.
724 * superh.h (SUBTARGET_OPTIONS): Remove.
725 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
727 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
728 arguments with ^ and/or [].
730 * config.gcc (sh-*-*): Add quoting to account for quirk of
731 Solaris /bin/sh.
732 Replace == with = in enable_incomplete_targets test.
734 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
735 with MASK_LITTLE_ENDIAN.
737 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
738 * config/sh/sh.opt: Added to some comments.
739 * config/sh/superh.h: Removed some chaff.
741 * config/sh/sh.opt: Add m4-[1234]00* options.
742 * config/sh/sh.c (sh_handle_option): Likewise.
743 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
744 (ic_invalidate_array_4-100.o): New rule.
745 ($(T)libic_invalidate_array_4-100.a): Likewise.
746 (ic_invalidate_array_4-200.o): Likewise.
747 ($(T)libic_invalidate_array_4-200.a): Likewise.
748 (ic_invalidate_array_4a.o): Likewise.
749 ($(T)libic_invalidate_array_4a.a): Likewise.
750 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
751 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
752 m4-200*, and m4a*.
753 * config/sh/crt1.asm: Merged in profiling code.
754 * config/sh/superh.h (STARTFILE_SPEC): Override.
755 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
756 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
757 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
759 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
760 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
761 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
763 * sh.opt (mpretend-cmove): New option.
764 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
765 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
766 (movsicc): Add TARGET_PRETEND_CMOVE code.
768 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
770 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
771 s390_class_max_nregs): New function prototypes.
772 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
773 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
774 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
775 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
777 2006-03-26 Geoffrey Keating <geoffk@apple.com>
779 * dwarf2out.c (add_location_or_const_value_attribute): Call
780 tree_add_const_value_attribute if nothing else works.
781 (reference_to_unused): New.
782 (rtl_for_decl_init): Use reference_to_unused to decide whether
783 to output an initializer.
785 2006-03-27 Alan Modra <amodra@bigpond.net.au>
787 PR target/26459
788 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
789 peephole removing spe frob_di_df_2.
791 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
793 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
794 (subscript_dependence_tester_1): Declared.
795 (print_dir_vectors, print_dist_vectors): New.
796 (debug_data_dependence_relation): New.
797 (dump_data_dependence_relation): Print more details.
798 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
799 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
800 (save_dist_v, save_dir_v, add_outer_distances,
801 build_classic_dist_vector_1): New.
802 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
803 Don't test for lambda_vector_lexico_pos.
804 (same_access_functions, add_multivariate_self_dist,
805 add_other_self_distances, dir_from_dist): New.
806 (build_classic_dir_vector): Replace implementation almost identical to
807 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
808 dir_from_dist.
809 (subscript_dependence_tester_1): New.
810 (subscript_dependence_tester): Handle the lexicographically negative
811 distance vectors by recomputing the dependence relation.
812 (compute_affine_dependence): Remove parameter loop_nest_depth.
813 (compute_self_dependence): Don't call compute_subscript_distance.
814 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
815 Add a parameter for the loop_nest.
816 (find_loop_nest_1, find_loop_nest): New.
817 (compute_data_dependences_for_loop): Compute the loop nest, and give
818 up if the nest is not well formed.
819 * tree-data-ref.h (loop_p): New.
820 (struct data_dependence_relation): Replace size_vect field with
821 loop_nest, a vec of loops.
822 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
823 (DDR_LOOP_NEST): New.
824 (print_dir_vectors, print_dist_vectors,
825 debug_data_dependence_relation): Declared.
826 (index_in_loop_nest): New.
827 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
828 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
829 distance.
831 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
833 * simplify-rtx.c (simplify_relational_operation): Call
834 simplify_relational_operation_1 even if mode is VOIDmode.
836 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
838 PR tree-optimization/26804
839 * tree.h (DECL_CALL_CLOBBERED): New macro.
840 (tree_decl_common): Add call_clobbered_flag.
841 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
842 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
843 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
844 (mark_non_addressable): Ditto.
845 * tree-ssa.c (verify_call_clobbered): New function.
846 (verify_alias_info): Use it.
847 * tree-pass.h (pass_reset_cc_flags): New prototype.
848 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
849 (reset_cc_flags): New function.
850 * passes.c (init_optimization_passes): Call reset_cc_flags after
851 initializing referenced_vars.
853 2006-03-25 Uros Bizjak <uros@kss-loka.si>
854 Roger Sayle <roger@eyesopen.com>
856 PR middle-end/26717
857 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
858 to 1.0 for non-real operands. Implement A / A optimization for
859 complex operands.
861 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
863 * config/i386/i386.c (size_cost): Correct the comment for
864 cost of storing fp registers.
865 (i386_cost): Likewise.
866 (i486_cost): Likewise.
867 (pentium_cost): Likewise.
868 (pentiumpro_cost): Likewise.
869 (k6_cost): Likewise.
870 (athlon_cost): Likewise.
871 (k8_cost): Likewise.
872 (pentium4_cost): Likewise.
873 (nocona_cost): Likewise.
874 (generic64_cost): Likewise.
875 (generic32_cost): Likewise.
877 2006-03-24 Denis Chertykov <denisc@overta.ru>
879 * config/avr/avr-protos.h (extra_constraint): Delete.
880 (extra_constraint_Q): New declaration.
881 * config/avr/constraints.md: New file.
882 * config/avr/avr.md: Include it.
883 (REG_X, REG_Y, REG_Z, REG_W): New constants.
884 (TMP_REGNO, ZERO_REGNO): Likewise.
885 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
886 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
887 (extra_constraint): Delete.
888 (extra_constraint_Q): Test for memory constraint 'Q'.
889 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
890 (REG_CLASS_FROM_LETTER): Delete.
891 (CONST_OK_FOR_LETTER_P): Delete.
892 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
893 (EXTRA_CONSTRAINT): Delete.
894 (TMP_REGNO): Delete.
895 (ZERO_REGNO): Delete.
897 2006-03-24 Jeff Law <law@redhat.com>
899 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
900 directly. Call mark_new_vars_to_rename slightly earlier.
902 2006-03-24 Geoffrey Keating <geoffk@apple.com>
904 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
905 (is_cxx): Likewise.
906 (gen_compile_unit_die): Use new language types for Objective-C and
907 Objective-C++.
908 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
909 DW_LANG_C_plus_plus.
911 PR 26793
912 * config/t-darwin (crt3.o): Work around bug 26840.
913 * config/darwin-crt3.c: Rewrite.
914 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
916 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
918 * doc/invoke.texi: Document -femit-class-debug-always
919 * common.opt: Add -femit-class-debug-always.
921 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
923 * config/s390/s390.c (s390_decompose_address): Allow SImode for
924 index and base register.
925 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
926 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
927 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
928 REGNO_OK_FOR_INDEX_P.
929 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
930 ADDR_REGNO_P.
931 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
932 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
933 REG_OK_FOR_BASE_P): Definitions removed.
935 2006-03-24 Jakub Jelinek <jakub@redhat.com>
937 PR middle-end/26611
938 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
939 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
940 set yet or weren't marked as local yet.
942 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
944 * regrename.c (scan_rtx_address): Initialize a variable to shut up
945 the compiler.
947 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
949 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
950 (rs6000_legitimate_small_data_p): Delete.
951 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
952 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
953 and make static. Add forward declaration. Update uses.
954 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
955 of offsettable_memref_p.
956 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
957 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
959 2006-03-24 Jeff Law <law@redhat.com>
961 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
962 around bug in immediate-use iterator.
964 2006-03-24 Alan Modra <amodra@bigpond.net.au>
966 PR target/26607
967 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
968 or __LITTLE_ENDIAN__.
970 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
972 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
973 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
974 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
975 * config/sh/sh.opt (mdiv=): Amend description.
976 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
977 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
978 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
979 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
980 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
981 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
982 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
983 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
984 TARGET_DIVIDE_CALL_FP.
986 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
988 * haifa-sched.c (choose_ready): Fix type of the local variable.
989 Move local variables. Add comment.
990 (check_reg_live): Change signature. Make callable from debugger.
991 * sched-int.h (check_reg_live): Update signature.
992 * sched-ebb.c (check_reg_live): Update parameters.
993 * sched-rgn.c (check_reg_live): Ditto.
994 (region_head_or_leaf_p): Check pointer before dereferencing.
995 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
996 before reload on optimization levels below 1.
998 2006-03-23 Richard Henderson <rth@redhat.com>
1000 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1001 tls symbols.
1003 PR target/26347
1004 * config/alpha/predicates.md (local_symbolic_operand): Reject
1005 weak symbols.
1007 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1009 PR tree-opt/26795
1010 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1011 expressions which have overflowed constants.
1013 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1015 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1017 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1019 * cfgloopmanip.c (create_loop_notes): Removed.
1020 * final.c (final_scan_insn): Do not handle loop notes.
1021 * jump.c (squeeze_notes): Ditto.
1022 * cfglayout.c (skip_insns_after_block,
1023 duplicate_insn_chain): Ditto.
1024 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1025 create_loop_notes.
1026 * cfgloop.h (create_loop_notes): Declaration removed.
1028 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1030 * varasm.c (output_constant_pool): Restore fnname and fndecl
1031 arguments.
1032 (assemble_start_function): Adjust call accordingly.
1033 (assemble_end_function): Likewise.
1035 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1037 PR mudflap/26790
1038 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1040 PR mudflap/26789
1041 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1043 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1045 PR driver/22600
1046 * system.h (ICE_EXIT_CODE): New macro.
1047 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1048 (diagnostic_action_after_output): Likewise.
1049 * gcc.c (fatal_ice): New function.
1050 (execute): Use it instead of fatal.
1051 (fancy_abort): Likewise.
1052 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1054 2006-03-22 Jeff Law <law@redhat.com>
1056 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1057 iv_analyze_result returning false.
1059 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1061 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1063 2006-03-22 Richard Henderson <rth@redhat.com>
1065 PR middle-end/26084
1066 * except.c (duplicate_eh_regions_0): New.
1067 (duplicate_eh_region_1): Duplicate the children of the node as
1068 well as the node itself. Link them up properly.
1069 (duplicate_eh_region_2): Merge into ...
1070 (duplicate_eh_regions): ... here. Take copy_region argument, and
1071 copy only a sub-tree if asked. Simplify copying and fixup.
1072 (eh_region_outer_p): New.
1073 * except.h (duplicate_eh_regions): Update decl.
1074 (eh_region_outer_p): Declare.
1075 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1076 (lower_omp_master): Likewise.
1077 (lower_omp_ordered): Likewise.
1078 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1079 (move_stmt_r): Use it to remap labels. Handle recursion vs
1080 remap_decls_p properly.
1081 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1082 (find_outermost_region_in_block): New.
1083 (new_label_mapper): New.
1084 (move_sese_region_to_fn): Copy eh information to the new function
1085 properly.
1086 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1087 argument.
1088 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1089 number.
1091 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1093 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1094 into shared libraries.
1096 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1098 * doc/md.texi: Refer to i386/constraints.md instead of
1099 i386/predicates.md.
1100 * config/i386/constraints.md: New file, extracted from...
1101 * config/i386/predicates.md: ...here.
1102 * config/i386/i386.md: Include constraints.md.
1104 2006-03-21 Jason Merrill <jason@redhat.com>
1106 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1108 PR middle-end/20297
1109 * expr.c (init_block_move_fn): Force default visibility.
1110 (init_block_clear_fn): Likewise.
1111 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1112 * targhooks.c (default_external_stack_protect_fail): Likewise.
1114 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1116 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1117 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1118 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1119 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1120 (loadgp): Use mips_current_loadgp_style.
1121 (loadgp_noshared): New pattern.
1122 (sibcall_internal): Use MIPS_CALL.
1123 (sibcall_value_internal): Likewise.
1124 (sibcall_value_multiple_internal): Likewise.
1125 (call_internal): Likewise.
1126 (call_value_internal): Likewise.
1127 (call_value_multiple_internal): Likewise.
1128 (call_split): Use MIPS_CALL and add an 'S' constraint.
1129 (call_value_split): Likewise.
1130 (call_value_multiple_split): Likewise.
1131 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1132 (-mshared): New option.
1133 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1134 (mips_current_loadgp_style): Declare.
1135 * config/mips/mips.c (mips_classify_symbol): Avoid using
1136 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1137 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1138 TARGET_ABSOLUTE_ABICALLS.
1139 (override_options): Adjust comments. Improve the warning that is
1140 issued when -mabicalls and -G are used together.
1141 (mips_file_start): Remove comment.
1142 (mips_current_loadgp_style): New function.
1143 (mips_gnu_local_gp): New variable.
1144 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1145 LOADGP_ABSOLUTE.
1146 (mips_output_function_prologue): Use mips_current_laodgp_style.
1147 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1148 the cprestore instruction.
1149 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1150 live for TARGET_ABSOLUTE_ABICALLS.
1151 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1152 (ASM_SPEC): Pass down -mshared and -mno-shared.
1153 (MIPS_CALL): New macro.
1154 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1155 definition.
1156 * doc/invoke.texi (-mabicalls): Update documentation.
1157 (-mshared): Document.
1159 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1161 * config/ia64/unwind-hpux.c: New file.
1162 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1164 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1166 PR libgomp/26384
1167 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1169 2006-03-21 Jeff Law <law@redhat.com>
1171 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1172 type conversions of a VR_VARYING source to a wider type.
1174 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1176 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1177 tm_file on Solaris 10 and later.
1178 (sparc64-*-solaris2*): Likewise.
1179 (sparc-*-solaris2*): Likewise.
1180 * config/sol26.h: Rename to config/sol2-6.h.
1181 * config/sol2-10.h: New file.
1183 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1185 PR tree-opt/26781
1186 * tree-ssa-pre.c (create_component_ref_by_pieces):
1187 Handle STRING_CST.
1189 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1191 PR c++/26690
1192 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1193 return it immediately.
1195 2006-03-21 Michael Matz <matz@suse.de>
1197 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1198 New members.
1199 (remove_arc, add_arc): Update num_out_arcs member.
1200 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1201 of out arcs.
1202 (cache_presence): New function.
1203 (compare_states_for_equiv): New function.
1204 (state_is_differed): Don't take number of outargs, adjust callers.
1205 Use new invariant for speeding up.
1206 (init_equiv_class): Create initial classes based on sorted
1207 input.
1208 (partition_equiv_class): Don't track out_arcs_num.
1209 (evaluate_equiv_classes): Call cache_presence on all states and
1210 sort them.
1212 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1214 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1215 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1216 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1217 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1218 callers changed.
1219 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1220 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1221 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1222 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1223 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1224 macros.
1225 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1226 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1227 (REGNO_REG_CLASS): ARGP is in PREGS.
1228 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1229 IREGS.
1230 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1231 to deal with those addresses.
1232 * addresses.h: New file.
1233 * caller-save.c: Include "addresses.h".
1234 (init_caller_save): Use new base_reg_class function.
1235 * rtl-factoring.c: Include "addresses.h".
1236 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1237 * recog.c: Include "addresses.h".
1238 (preprocess_constraints): Use new base_reg_class function.
1239 * regrename.c: Include "addresses.h".
1240 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1241 functions. Keep track of a new var INDEX_CODE to compute valid
1242 classes.
1243 (replace_oldest_value_addr): Likewise.
1244 (replace_oldest_value_mem): Use base_reg_class.
1245 * reload.c: Include "addresses.h".
1246 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1247 (find_reloads): Use new base_reg_class function.
1248 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1249 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1250 all callers and prototype changed.
1251 * reload1.c: Include "addresses.h".
1252 (maybe_fix_stack_asms): Use base_reg_class.
1253 * regclass.c: Include "addresses.h".
1254 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1255 (init_reg_autoinc): Use new base_reg_class function.
1256 (record_reg_classes): Likewise.
1257 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1258 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1259 Use new args to compute necessary class.
1261 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1262 regrename.o, rtl-factoring.o): Update dependencies.
1263 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1264 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1265 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1266 REG_OK_FOR_INDEX_P): Delete documentation.
1268 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1270 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1271 from V7 to V9 for Solaris 7 and above.
1273 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1275 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1276 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1277 argument pointers may not alias any other storage.
1278 * common.opt: Define option -fargument-noalias-anything.
1279 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1280 alias semantics is specified by flag_argument_noalias > 2.
1282 2006-03-20 Jeff Law <law@redhat.com>
1284 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1285 (pass_phi_only_cprop): Declare.
1286 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1287 with phi_only_cprop
1288 * tree-ssa-dom.c (degenerate_phi_result): New function.
1289 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1290 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1291 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1292 (eliminate_degenerate_phis): Likewise.
1293 (pass_phi_only_cprop): New pass descriptor.
1294 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1295 support code. Callers updated.
1296 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1297 (store_copy_prop): Likewise.
1298 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1300 2006-03-20 Jason Merrill <jason@redhat.com>
1302 PR c++/21764
1303 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1304 (push_visibility, pop_visibility): Likewise.
1305 * c-pragma.h: Declare them.
1307 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1309 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1311 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1312 parameter and use get_ebb_head_tail.
1313 (sh_md_init_global): Adjust uses of find_regmode_weight.
1315 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1317 * function.h (struct function) <x_tail_recursion_reentry>:
1318 Rename to x_stack_check_probe_note.
1319 (tail_recursion_reentry): Rename to stack_check_probe_note.
1320 * function.c: Replace tail_recursion_reentry with
1321 stack_check_probe_note everywhere.
1322 (expand_function_start): Only emit a note for
1323 stack_check_probe_note with -fstack-protect.
1324 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1326 * emit-rtl.c (remove_unnecessary_notes): Remove.
1327 (pass_remove_unnecessary_notes): Remove.
1328 * rtl.h (remove_unnecessary_notes): Remove prototype.
1329 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1330 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1331 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1333 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1335 PR tree-opt/26629
1336 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1337 (valid_in_set): Handle ARRAY_REF.
1338 Change "if min_variant or VH" to asserts.
1339 (create_component_ref_by_pieces): Handle ARRAY_REF.
1340 (create_expression_by_pieces): Likewise.
1341 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1343 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1345 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1346 is operand of switch, not str[0].
1348 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1350 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1351 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1353 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1355 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1356 end of insn_extra_address_constraint declaration.
1358 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1360 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1361 (no-sum-in-toc): Same.
1362 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1363 variables.
1364 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1365 NO_FP_IN_TOC for -fPIC instead of mask.
1367 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1368 (BOOT_LDFLAGS): Delete.
1369 (LDFLAGS): Delete.
1370 * config/rs6000/t-aix52: Same.
1372 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1373 (stmsi[345678]_power): New.
1375 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1377 * config/ia64/ia64.opt: Add empty line to end of file.
1379 2006-03-17 Richard Guenther <rguenther@suse.de>
1381 PR middle-end/26721
1382 * builtins.c (get_pointer_alignment): For component style references
1383 adjust alignment to the component type alignment. Make sure
1384 to adjust alignment for component access of constants.
1386 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1388 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1389 unconditional jump.
1391 2006-03-17 Paul Brook <paul@codesourcery.com>
1393 * doc/install.texi: Docuemnt --with-mode.
1394 * config.gcc: Add --with-mode for arm*-*-*.
1395 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1397 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1399 * sh.c (max_labelno_before_reorg): New variable.
1400 (sh_reorg): Initialize it.
1401 (find_barrier): Check max_labelno_before_reorg before using
1402 label_to_alignment. Take length of explicit alignment insns
1403 into account. When seeing a UNSPECV_CONST_END, return it.
1405 * sh.c (fixup_mova): Set mode of affected label to QImode.
1406 (untangle_mova): New function.
1407 (find_barrier): Use it. Check mode of label before decrementing
1408 num_mova.
1409 (sh_reorg): Likewise.
1410 Set mode of all insns back to VOIDmode.
1412 * sh.c (MOVA_LABELREF): New macro.
1413 (mova_p, fixup_mova, sh_reorg): Use it.
1414 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1415 ADDR_DIFF_VEC matches mova.
1417 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1419 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1420 with ATTRIBUTE_UNUSED.
1422 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1424 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1425 pointer, instead of assuming it is possible to derive the
1426 correct args size from a call insn.
1428 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1430 * rtl.h (CONST_INT_P): Define.
1431 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1432 instead of GET_CODE(x) == CONST_INT.
1433 (vax_rtx_costs): Likewise.
1434 (vax_output_int_move): Likewise.
1435 (vax_output_int_add): Likewise.
1436 (legitimate_constant_address_p): Likewise.
1437 (index_term_p): Likewise.
1438 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1439 * config/vax/vax.md (and<mode>3): Likewise.
1440 (ashrsi3): Likewise.
1441 (extv): Likewise.
1442 (movstricthi): Likewise.
1443 (movstrictqi): Likewise.
1444 (rotrsi3): Likewise.
1445 (five unnamed insns): Likewise.
1447 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1449 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1450 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1451 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1452 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1453 Pass to ASM_OUTPUT_DWARF_OFFSET.
1454 * dwarf2out.c (debug_frame_section): New.
1455 (output_call_frame_info): Use debug_frame_section. Pass it to
1456 dw2_asm_output_offset.
1457 (output_die): Pass appropriate section to dw2_asm_output_offset.
1458 (output_compilation_unit_header): Likewise.
1459 (output_pubnames): Likewise.
1460 (output_aranges): Likewise.
1461 (enum dw_val_class): Break dw_val_class_lbl_offset into
1462 dw_val_class_lineptr and dw_val_class_macptr.
1463 (add_AT_lbl_offset): Delete.
1464 (add_AT_lineptr): New.
1465 (add_AT_macptr): New.
1466 (AT_lbl): Expect a lineptr or macptr.
1467 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1468 (attr_checksum): Likewise.
1469 (same_dw_val_p): Likewise.
1470 (size_of_die): Likewise.
1471 (value_format): Likewise.
1472 (output_die): Likewise.
1473 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1474 add_AT_lbl_offset.
1475 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1476 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1477 * config/darwin-protos.h (darwin_file_start): New.
1478 (darwin_asm_output_dwarf_offset): New.
1479 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1480 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1481 darwin_file_start.
1482 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1483 if not EH section; simplify.
1484 (darwin_file_start): New.
1485 (darwin_asm_output_dwarf_offset): New.
1486 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1487 mark as 'debug'.
1488 (DEBUG_INFO_SECTION): Likewise.
1489 (DEBUG_ABBREV_SECTION): Likewise.
1490 (DEBUG_ARANGES_SECTION): Likewise.
1491 (DEBUG_MACINFO_SECTION): Likewise.
1492 (DEBUG_LINE_SECTION): Likewise.
1493 (DEBUG_LOC_SECTION): Likewise.
1494 (DEBUG_PUBNAMES_SECTION): Likewise.
1495 (DEBUG_STR_SECTION): Likewise.
1496 (DEBUG_RANGES_SECTION): Likewise.
1497 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1498 (ASM_OUTPUT_DWARF_OFFSET): New.
1500 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1502 * config.gcc (tm_defines): Always add to previous value rather
1503 than replacing it.
1505 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1507 * config/mips/predicates.md (splittable_const_int_operand): New,
1508 split from move_operand.
1509 (splittable_symbolic_operand): New.
1510 (move_operand): Add commentary. Use splittable_const_int_operand.
1511 Inline mips_atomic_symbolic_constant_p.
1512 * config/mips/mips.md: Add combine splitters for handling moves
1513 of splittable_const_int_operands and splittable_symbolic_operands.
1514 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1515 (mips_split_symbol): Declare.
1516 (mips_move_integer): Declare.
1517 * config/mips/mips.c (mips_split_p): Make global.
1518 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1519 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1520 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1521 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1522 (mips_offset_within_object_p): Handle block symbols.
1523 (mips_atomic_symbolic_constant_p): Delete.
1524 (mips_cannot_force_const_mem): Return false for constants that
1525 mips_legitimize_move can handle.
1526 (mips_use_blocks_for_constant_p): New function.
1527 (mips_split_symbol): Make global.
1528 (mips_move_integer): Likewise. Add a temporary register argument.
1529 (mips_legitimize_const_move): Use splittable_const_int_operand and
1530 splittable_symbolic_operand.
1531 (mips_use_anchors_for_symbol_p): New function.
1532 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1533 (mips_split_p): Declare.
1535 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1537 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1538 (mips*-*-linux*): Likewise.
1540 2006-03-16 Roger Sayle <roger@eyesopen.com>
1541 Daniel Speyer <dspeyer@wam.umd.edu>
1543 PR middle-end/18259
1544 * tree-dump.c (dump_real): New function.
1545 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1546 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1547 (tree-dump.o): Add $(REAL_H) to the dependencies.
1549 2006-03-16 Roger Sayle <roger@eyesopen.com>
1551 PR middle-end/21781
1552 * real.c (real_from_string): If the mantissa is zero, don't bother
1553 parsing the exponent as the result should always be zero.
1555 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1557 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1559 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1561 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1562 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1563 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1564 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1565 ia64_sched_finish_global): New static functions to implement
1566 hooks from gcc_target.sched.
1567 (spec_check_no, max_uid, pending_data_specs): New static variables.
1568 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1569 ia64_spec_check_src_p): New static functions.
1570 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1571 (TARGET_SCHED_ADJUST_COST): Removed.
1572 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1573 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1574 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1575 TARGET_SCHED_GEN_CHECK,
1576 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1577 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1578 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1579 Fixed to handle speculation checks.
1580 (rtx_needs_barrier): Fixed to handle speculative loads and
1581 their checks.
1582 (ia64_variable_issue): Added code to count speculative loads and their
1583 checks.
1584 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1585 speculative loads.
1586 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1587 New enumerations.
1588 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1589 New constants.
1590 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1591 (ia64_reorg): Reset stops_p to NULL after it is freed.
1592 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1593 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1594 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1595 chk_a.
1596 (data_speculative, control_speculative, check_load): New attributes.
1597 (mov<mode>_advanced, mov<mode>_speculative,
1598 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1599 zero_extend<mode>di2_speculative,
1600 zero_extend<mode>di2_speculative_advanced): New patterns for
1601 data and control speculative loads.
1602 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1603 check loads.
1604 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1605 New pattern for data and control speculation checks.
1606 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1607 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1608 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1609 Auxiliary definitions for the patterns.
1610 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1611 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1612 constraints.
1613 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1614 for speculation.
1615 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1616 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1617 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1618 New resource constraints.
1619 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1620 for speculation.
1621 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1622 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1623 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1624 msched-in-control-spec, msched-ldc, msched-control-ldc,
1625 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1626 msched-prefer-non-control-spec-insns,
1627 msched-count-spec-in-critical-path): New flags to tune speculative
1628 scheduling.
1629 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1630 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1631 msched-in-control-spec, msched-ldc, msched-control-ldc,
1632 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1633 msched-prefer-non-control-spec-insns,
1634 msched-count-spec-in-critical-path): Document new flags.
1636 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1638 * target.h (struct spec_info_def): New opaque declaration.
1639 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1640 speculate_insn, needs_block_p, gen_check,
1641 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1642 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1643 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1644 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1645 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1646 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1647 gcc_target.sched.
1648 (TARGET_SCHED): Use new macros.
1649 * rtl.h (copy_DEPS_LIST_list): New prototype.
1650 * sched-int.h (struct sched_info): Change signature of new_ready field,
1651 adjust all initializations. New fields: add_remove_insn,
1652 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1653 region_head_or_leaf_p.
1654 (struct spec_info_def): New structure declaration.
1655 (spec_info_t): New typedef.
1656 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1657 recovery_block, orig_pat.
1658 (glat_start, glat_end): New variables declaraions.
1659 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1660 New access macros.
1661 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1662 DETACH_LIFE_INFO, USE_GLAT.
1663 (enum SPEC_SCHED_FLAGS): New enumeration.
1664 (NOTE_NOTE_BB_P): New macro.
1665 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1666 attach_life_info, debug_spec_status, check_reg_live): New functions.
1667 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1668 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1669 sched-ebb.c
1670 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1671 * ddg.c (get_block_head_tail): Adjust all uses.
1672 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1673 (sms_sched_info): Initialize new fields.
1674 (contributes_to_priority): Removed.
1675 * haifa-sched.c (params.h): New include.
1676 (get_block_head_tail): Adjust all uses.
1677 (ISSUE_POINTS): New macro.
1678 (glat_start, glat_end): New global variables.
1679 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1680 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1681 old_last_basic_block, before_recovery, current_sched_info_var,
1682 rgn_n_insns, luid): New static variables.
1683 (insn_cost1): New function. Move logic from insn_cost to here.
1684 (find_insn_reg_weight1): New function. Move logic from
1685 find_insn_reg_weight to here.
1686 (reemit_notes, move_insn, max_issue): Change signature.
1687 (move_insn1): Removed.
1688 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1689 extend_bb): New static functions to support extension of scheduler's
1690 data structures.
1691 (generate_recovery_code, process_insn_depend_be_in_spec,
1692 begin_speculative_block, add_to_speculative_block,
1693 init_before_recovery, create_recovery_block, create_check_block_twin,
1694 fix_recovery_deps): New static functions to support
1695 generation of recovery code.
1696 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1697 restore_bb_notes, move_block_after_check, move_succs): New static
1698 functions to support ebb scheduling.
1699 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1700 functions to support handling of register live information.
1701 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1702 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1703 add_jump_dependencies): New static functions.
1704 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1705 consistancy checking.
1706 (debug_spec_status): New function to call from debugger.
1707 (priority): Added code to handle speculation checks.
1708 (rank_for_schedule): Added code to distinguish speculative instructions.
1709 (schedule_insn): Added code to handle speculation checks.
1710 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1711 Fixed to handle ebbs.
1712 (move_insn): Added code to handle ebb scheduling.
1713 (max_issue): Added code to use ISSUE_POINTS of instructions.
1714 (choose_ready): Added code to choose between speculative and
1715 non-speculative instructions.
1716 (schedule_block): Added code to handle ebb scheduling and scheduling of
1717 speculative instructions.
1718 (sched_init): Initialize new variables.
1719 (sched_finish): Free new variables. Print statistics.
1720 (try_ready): Added code to handle speculative instructions.
1721 * lists.c (copy_DEPS_LIST_list): New function.
1722 * sched-deps.c (extend_dependency_caches): New function. Move logic
1723 from create_dependency_caches to here.
1724 (get_dep_weak, ds_merge): Make global.
1725 * genattr.c (main): Code to output prototype for
1726 dfa_clear_single_insn_cache.
1727 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1728 (output_dfa_clean_insn_cache_func): Code to output
1729 dfa_clear_single_insn_cache function.
1730 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1731 n_insns.
1732 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1733 Removed.
1734 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1735 New static variables.
1736 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1737 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1738 struct sched_info.
1739 (ebb_sched_info): Initialize new fields.
1740 (get_block_head_tail): Adjust all uses.
1741 (compute_jump_reg_dependencies): Fixed to use glat_start.
1742 (schedule_ebb): Code to remove unreachable last block.
1743 (schedule_ebbs): Added code to update register live information.
1744 * sched-rgn.c (region_sched_info): Initialize new fields.
1745 (get_block_head_tail): Adjust all uses.
1746 (last_was_jump): Removed. Adjust users.
1747 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1748 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1749 Implement new hooks.
1750 (check_dead_notes1): New static function.
1751 (struct region): New fields: dont_calc_deps, has_real_ebb.
1752 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1753 (BB_TO_BLOCK): Fixed to handle EBBs.
1754 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1755 (ebb_head): New static variable.
1756 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1757 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1758 new fields.
1759 (compute_dom_prob_ps): New assertion.
1760 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1761 global_live_at_start.
1762 (init_ready_list): New assertions.
1763 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1764 (new_ready): Add support for BEGIN_CONTROL speculation.
1765 (schedule_insns): Fixed code that updates register live information
1766 to handle EBBs.
1767 (schedule_region): Fixed to handle EBBs.
1768 (init_regions): Use extend_regions and check_dead_notes1.
1769 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1770 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1771 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1772 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1773 TARGET_SCHED_GEN_CHECK,
1774 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1775 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1776 * doc/invoke.texi (max-sched-insn-conflict-delay,
1777 sched-spec-prob-cutoff): Document.
1779 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1781 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1782 inter_tick, queue_index.
1783 (struct sched_info): Change signature of init_ready_list field.
1784 Adjust all initializations.
1785 (RESOLVED_DEPS): New access macro.
1786 (ready_add): Remove prototype.
1787 (try_ready): Add prototype.
1788 * sched-rgn.c (init_ready_list): Use try_ready.
1789 (schedule_region): Initialize
1790 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1791 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1792 (init_ready_list): Use try_ready.
1793 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1794 * lists.c (remove_list_elem): Remove `static'.
1795 (remove_free_INSN_LIST_elem): New function.
1796 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1797 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1798 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1799 New constants.
1800 (readyp): New variable.
1801 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1802 change_queue_index, resolve_dep): New static functions.
1803 (try_ready): New function. Adjust callers in sched-rgn.c and
1804 sched-ebb.c to use it instead of ready_add.
1805 (clock_var): Move at the begining of file.
1806 (rank_for_schedule): Fix typo.
1807 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1808 (ready_lastpos): Enforce assertion.
1809 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1810 update all callers.
1811 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1812 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1813 (queue_to_ready): Use free_INSN_LIST_list.
1814 (early_queue_to_ready): Fix typo.
1815 (schedule_block): Init readyp. Move init_ready_list call after the
1816 initialization of clock_var. Fix error in rejecting insn by
1817 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1818 that previously corrected INSN_TICKs. Add code for handling
1819 QUEUE_INDEX.
1820 (set_priorities): Fix typo.
1821 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1822 Clarify comment and code that keeps current_sched_info->next_tail
1823 non-null.
1825 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1827 * sched-rgn.c (extend_rgns): New static function.
1828 (find_rgns): Use it.
1829 (gather_region_statistics, print_region_statistics): New static
1830 functions.
1831 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1832 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1834 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1835 Andrey Belevantsev <abel@ispras.ru>
1837 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1838 * lists.c (unused_deps_list): New variable.
1839 (free_list): Add assertions to verify the proper distinguishing
1840 between INSN_LISTs and DEPS_LISTs.
1841 (find_list_elem, remove_list_elem, remove_list_node): New static
1842 functions.
1843 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1844 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1845 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1846 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1847 an INSN_LIST.
1848 (free_INSN_LIST_node): Likewise.
1849 * modulo-sched.c (current_sched_info): Initialize flags field.
1850 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1851 * rtl.def (DEPS_LIST): Define.
1852 * rtl.h: Declare new functions from lists.c.
1853 * sched-deps.c (spec_dependency_cache): New static variable.
1854 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1855 (add_dependence): Change return type to void. Move the logic to ...
1856 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1857 (delete_all_dependences): Add comment about forward_dependency_cache.
1858 Handle spec_dependency_cache. Handle DEPS_LISTs.
1859 (fixup_sched_groups): Clarify the change of priority of output
1860 and anti dependencies.
1861 (sched_analyze_2): Adjust add_dependence calls to create data
1862 speculative dependence.
1863 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1864 Adjust all callers. Handle DEPS_LISTS.
1865 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1866 presence of speculation.
1867 (init_dependency_caches, free_dependency_caches):
1868 Handle spec_dependency_cache.
1869 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1870 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1871 New static functions.
1872 (add_or_update_back_dep, add_or_update_back_forw_dep,
1873 add_back_forw_dep, delete_back_forw_dep): New functions.
1874 * sched-int.h (ds_t, dw_t): New typedefs.
1875 (struct sched_info): Add new field flags.
1876 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1877 Prototype new sched-deps.c functions.
1878 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1879 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1880 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1881 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1882 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1883 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1884 New constants.
1885 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1886 New enums.
1887 * sched-rgn.c (current_sched_info): Initialize flags field.
1888 (schedule_insns): Initialize current_sched_info before the sched_init
1889 call.
1890 * sched-ebb.c (current_sched_info): Initialize flags field.
1891 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1892 Call add_or_update_back_dep instead of add_dependence.
1893 Create control speculative dependencies.
1894 (schedule_insns): Initialize current_sched_info before the sched_init
1895 call.
1897 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1899 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1900 fs->signal_frame.
1901 (sh_fallback_frame_state): Likewise.
1903 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1905 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1906 Do switch on default_use_cxa_atexit.
1907 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1908 * config/darwin-crt3.o: New.
1909 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1910 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1911 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1912 OS version.
1913 * config/rs6000/t-darwin: Move crt2.o building to here.
1914 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1915 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1916 of __cxa_atexit.
1918 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1920 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1921 from '! xxx' to '!xxx' for coding-style conformance.
1922 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1923 (EXTRA_CONSTRAINT): Likewise.
1924 * config/vax/vax.md (four unnamed insns): Likewise.
1926 2006-03-15 Paul Brook <paul@codesourcery.com>
1928 * config/arm/arm.c (minipool_pad): New.
1929 (add_minipool_forward_ref): Include pool alignment padding in address
1930 calculation.
1931 (push_minipool_fix): Set minipool_pad.
1932 (minipool_pad): Ditto.
1934 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1936 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1937 instead of GET_CODE() == MEM and REG_P() instead of
1938 GET_CODE() == REG.
1939 (print_operand_address): Likewise.
1940 (vax_address_cost): Likewise.
1941 (vax_rtx_costs): Likewise.
1942 (vax_notice_update_cc): Likewise.
1943 (vax_output_int_add): Likewise.
1944 (INDEX_REGISTER_P): Likewise.
1945 (BASE_REGISTER_P): Likewise.
1946 (nonindexed_address_p): Likewise.
1947 (vax_mode_dependent_address_p): Likewise.
1948 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1949 (PRINT_OPERAND): Likewise.
1950 * config/vax/vax.md (ashlsi3): Likewise.
1951 (ashlsi3): Likewise.
1952 (some more unnamed insns): Likewise.
1954 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1956 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1957 iterator-style macro.
1958 (mark_control_dependent_edges_necessary): Update the use of
1959 EXECUTE_IF_CONTROL_DEPENDENT.
1961 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1963 * config/sh/predicates.md (cache_address_operand): Special.
1964 (ua_address_operand): Likewise.
1966 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1968 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1969 loop notes.
1970 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1972 2006-03-15 Andreas Schwab <schwab@suse.de>
1974 * gensupport.c (identify_predicable_attribute): Don't free p_false
1975 when it is still in use.
1977 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1979 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1980 the default setting here.
1982 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1984 * tree-pass.h (pass_cfg): Remove.
1985 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1986 * passes.c (pass_cfg): Don't run it.
1988 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1990 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1991 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1992 VEC(char,heap) *.
1993 (stack_regs_mentioned): Update the uses of
1994 stack_regs_mentioned_data. Don't access the array beyond its
1995 end.
1996 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1997 Don't include gt-reg-stack.h.
1999 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2000 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2002 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2004 PR middle-end/26684
2005 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2006 STACK_REGS.
2008 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2010 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2012 2006-03-14 Richard Guenther <rguenther@suse.de>
2014 PR tree-optimization/26672
2015 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2016 SSA form.
2018 2006-03-14 Richard Guenther <rguenther@suse.de>
2020 PR tree-optimization/26667
2021 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2022 node for the callees. Always allow inlining if it will shrink
2023 the function size.
2025 2006-03-14 Richard Guenther <rguenther@suse.de>
2027 PR middle-end/26659
2028 * builtins.c (get_pointer_alignment): Prefer alignment
2029 information from decls over that from types.
2031 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2033 PR target/26657
2034 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2036 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2038 * config/rs6000/rs6000.opt (mdlmzb): New option.
2039 (msched-prolog, msched-epilog): Use Var not Mask.
2040 * doc/invoke.texi (-mdlmzb): Document.
2041 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2042 MASK_SCHED_PROLOG.
2043 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2044 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2046 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2048 PR rtl-optimization/25739
2049 * bt-load.c (augment_live_range): Free tos pointer.
2051 * gensupport.c (identify_predicable_attribute): Free
2052 p_false pointer.
2053 * gcov.c (create_file_names): Free name pointer.
2055 2006-03-13 Roger Sayle <roger@eyesopen.com>
2057 PR middle-end/26557
2058 * stmt.c (emit_case_nodes): Handle the case where the index is a
2059 CONST_INT, where the comparison mode is specified by the index type.
2061 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2063 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2064 is defined.
2066 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2068 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2069 (*branch_fp_inverted): Likewise.
2071 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2073 PR middle-end/25989
2074 * omp-low.c (expand_omp_for_generic): Mark istart0
2075 and iend0 as addressable.
2077 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2079 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2081 2006-03-13 Jeff Law <law@redhat.com>
2083 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2084 virtual operands are interesting.
2085 (vrp_visit_stmt): Corresponding changes.
2087 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2089 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2090 of RETS.
2091 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2092 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2093 * config/bfin/crti.S: Use it instead of __PIC__.
2094 * config/bfin/crtn.S: Likewise.
2096 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2097 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2098 not if flag_pic.
2099 Lose 'G' modifier for call operand.
2100 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2101 recognize 'G' modifier.
2103 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2105 PR middle-end/18859
2106 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2107 * stmt.c (expand_case): Likewise.
2109 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2111 PR rtl-optimization/26254
2112 * loop-invariant.c (seq_insns_valid_p): New function.
2113 (move_invariant_reg): Only emit new code if it is valid.
2115 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2117 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2118 Removed.
2119 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2120 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2121 (commit_one_edge_insertion): Do not look for loop notes.
2123 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2125 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2126 flag_test_coverage out of loop.
2128 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2130 * final.c (shorten_branches): Remove outdated comment, and turn
2131 the if branch that guards it to continue.
2133 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2135 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2136 * cfgloop.h (struct loop): Remove unused fields.
2138 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2140 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2141 (-dL, -fdump-rtl-loop2): Update the dump file names
2143 * doc/invoke.texi: Update dump file names.
2145 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2147 * predict.c (estimate_probability): Remove.
2148 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2149 * basic-block.h (estimate_probability): Remove prototype.
2150 * passes.c (finish_optimization_passes): Dump branch prediction or
2151 profiling heuristics to the .profile tree dump.
2152 (init_optimization_passes): Unqueue pass_branch_prob.
2154 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2156 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2158 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2159 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2161 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2163 * function.h (frame_offset_overflow): Declare.
2164 * function.c (frame_offset_overflow): New function.
2165 (assign_stack_local_1): Call it to detect that the offset overflows.
2166 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2168 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2170 * config/sh/sh.c: Include alloc-pool.h.
2171 (label_ref_list_pool): New alloc pool.
2172 (label_ref_list_t): New type for lists of labels.
2173 (struct pool_node): Make wend a label_ref_list_t.
2174 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2175 references.
2176 (dump_table): Likewise.
2177 (sh_reorg): Set up the alloc pool before using add_constant and
2178 dump_table, and destroy it when finishing.
2180 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2182 * config/mips/mips.c: Remove redundant comment.
2184 2006-03-10 Jason Merrill <jason@redhat.com>
2186 PR c/26004
2187 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2188 the target was declared 'register'.
2190 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2192 * genpreds.c (write_insn_constraint_len): Change definition of
2193 insn_constraint_len to return size_t to match the declaration.
2195 2006-03-10 DJ Delorie <dj@redhat.com>
2197 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2198 start at zero.
2199 (m32c_expand_insv): Fix test for an AND mask.
2201 2006-03-10 Richard Guenther <rguenther@suse.de>
2203 PR middle-end/26565
2204 * builtins.c (get_pointer_alignment): Handle component
2205 references for field alignment.
2207 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2209 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2210 when building with libgloss.
2211 (sh*elf): Implement --without-fp option.
2212 (sh64-superh-linux*): Don't multilib.
2214 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2216 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2218 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2220 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2221 Set it when one of the replacement functions returned true.
2222 Return TODO_cleanup_cfg if cfgchanged is true.
2223 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2225 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2227 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2228 instead of gen_lowpart.
2230 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2232 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2233 interface.
2234 (mips_output_order_conditional_branch): Declare.
2235 * config/mips/mips.h (MIPS_BRANCH): New macro.
2236 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2237 for the comparison. Use gen_condjump.
2238 (mips_output_conditional_branch): Rework interface to take the
2239 asm templates for a direct branch and the inverse of a direct branch.
2240 (mips_output_order_conditional_branch): New function.
2241 (mips_builtin_branch_and_move): New function.
2242 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2243 branch condition. Use gen_single_cc as the condition for
2244 __builtin_mips_upper_* or __builtin_mips_lower_*.
2245 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2246 Use VOIDmode for the branch condition.
2247 * config/mips/predicates.md (order_operator): New predicate.
2248 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2249 (branch_fp): Rename to...
2250 (*branch_fp): ...this. Remove mode from comparison operator.
2251 Use new mips_output_conditional_branch interface.
2252 (branch_fp_inverted): Rename to...
2253 (*branch_fp_inverted): ...this and update as for *branch_fp.
2254 (*branch_zero<mode>): Rename to...
2255 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2256 Use mips_output_order_conditional_branch. Only accept ordered
2257 comparisons.
2258 (*branch_zero<mode>_inverted): Rename to...
2259 (*branch_order<mode>_inverted): ...this and update as for
2260 *branch_order<mode>.
2261 (*branch_equality<mode>): Accept zero as the second operand to
2262 the equality operator. Use the new mips_output_conditional_branch
2263 interface.
2264 (*branch_equality<mode>_inverted): Likewise.
2265 (condjump): New expander.
2266 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2267 operator.
2268 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2269 (bc1any2t, bc1any2f): Likewise.
2270 (single_cc): New expander.
2271 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2273 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2275 * doc/md.texi: Update documentation of MIPS constraints.
2276 * config/mips/constraints.md: New file.
2277 * config/mips/mips.md: Include it.
2278 * config/mips/mips.c (mips_char_to_class): Delete.
2279 (override_options): Don't initialize mips_char_to_class.
2280 * config/mips/mips.h (mips_char_to_class): Delete.
2281 (REG_CLASS_FROM_LETTER): Delete.
2282 (CONST_OK_FOR_LETTER_P): Delete.
2283 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2284 (EXTRA_CONSTRAINT_Y): Delete.
2285 (EXTRA_CONSTRAINT_STR): Delete.
2286 (CONSTRAINT_LEN): Delete.
2287 (EXTRA_MEMORY_CONSTRAINT): Delete.
2289 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2291 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2292 original fn's eh regions.
2294 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2296 * fold-const.c (build_range_check): Make sure to use a valid type to
2297 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2298 transformation.
2300 (range_predecessor): New static function.
2301 (range_successor): Likewise.
2302 (merge_ranges): Use them to compute predecessors and successors of
2303 range bounds.
2305 2006-03-09 Roger Sayle <roger@eyesopen.com>
2307 PR middle-end/26561
2308 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2309 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2311 2006-03-08 DJ Delorie <dj@redhat.com>
2313 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2314 (addpsi3): Expand to include memory operands. Remove
2315 reload-specific splits.
2316 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2317 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2318 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2319 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2320 (shift1_qi, shift1_hi, insv): New.
2321 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2322 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2323 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2324 cond_to_int): New.
2325 * config/m32c/m32c-protos.h: Update as needed.
2326 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2327 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2328 Fail for unrecognized R* constraints.
2329 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2330 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2331 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2332 Add Sp constraint.
2333 (m32c_init_libfuncs): New.
2334 (m32c_legitimate_address_p): Add debug wrapper.
2335 (m32c_rtx_costs): New.
2336 (m32c_address_cost): New.
2337 (conversions): Add 'B' prefix.
2338 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2339 operands, or word regnames for QI operands. 'B' prints bit
2340 position.
2341 (m32c_expand_setmemhi): New.
2342 (m32c_expand_movmemhi): New.
2343 (m32c_expand_movstr): New.
2344 (m32c_expand_cmpstr): New.
2345 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2346 (m32c_expand_neg_mulpsi3): Handle non-ints.
2347 (m32c_cmp_flg_0): New.
2348 (m32c_expand_movcc): New.
2349 (m32c_expand_insv): New.
2350 (m32c_scc_pattern): New.
2351 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2352 a0/a1 out of SIregs.
2353 (STORE_FLAG_VALUE): New.
2354 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2355 code macros.
2356 (no_insn): New.
2357 * config/m32c/mov.md: Make constraints more liberal.
2358 (zero_extendqihi2): Optimize r0/r1 case.
2359 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2360 * config/m32c/predicates.md (m32c_any_operand): New.
2361 (m32c_nonimmediate_operand): New.
2362 (m32c_hl_operand): New.
2363 (m32c_r3_operand): New.
2364 (ap_operand): New.
2365 (ma_operand): New.
2366 (memsym_operand): New.
2367 (memimmed_operand): New.
2368 (a_qi_operand): New.
2369 (m32c_eqne_operator): New.
2370 (m32c_1bit8_operand): New.
2371 (m32c_1bit16_operand): New.
2372 (m32c_1mask8_operand): New.
2373 (m32c_1mask16_operand): New.
2374 * config/m32c/blkmov.md: New file.
2375 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2377 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2379 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2380 unsigned to fix signed/unsigned comparison issue in
2381 DWARF2_FRAME_REG_OUT.
2382 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2383 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2385 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2386 of ptr into the ENABLE_CHECKING section.
2388 2006-03-08 Jeff Law <law@redhat.com>
2390 * tree-vrp.c (infer_value_range): Only count pointer uses
2391 and dereferences if -fdelete-null-pointer-checks is enabled.
2393 * tree-vrp.c (find_assert_locations): Infer value ranges for
2394 single use pointers, but do not create ASSERT_EXPRs for them.
2395 When a non-null range is inferred for a pointer, backwards
2396 propagate that range to other equivalent pointers through the
2397 use-def chain.
2399 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2401 PR bootstrap/26500
2402 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2403 language hook targets.
2404 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2405 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2406 if language hook targets were missing.
2408 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2410 * tree-ssa-opfinalize.h: Removed.
2411 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2412 dependency.
2413 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2414 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2415 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2416 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2417 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2418 finalize_ssa_v_must_def_ops): New.
2420 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2422 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2423 block as parameter.
2425 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2427 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2429 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2430 addresses with offsets; reorganize.
2432 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2433 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2434 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2436 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2438 PR target/26588
2439 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2441 2006-03-08 Ben Elliston <bje@au.ibm.com>
2443 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2445 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2447 PR gomp/26238
2448 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2449 expansion.
2451 2006-03-07 Richard Guenther <rguenther@suse.de>
2453 PR tree-optimization/26587
2454 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2456 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2458 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2460 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2462 * hooks.c (hook_bool_mode_rtx_true): New function.
2463 * hooks.h (hook_bool_mode_rtx_true): Declare.
2464 * toplev.c (compile_file): Call output_shared_constant_pool.
2465 * varasm.c (shared_constant_pool): New variable.
2466 (assemble_start_function, assemble_end_function): Remove arguments
2467 from call to output_constant_pool.
2468 (create_constant_pool): New function, split out from...
2469 (init_varasm_status): ...here.
2470 (force_const_mem): Choose between the shared and per-function constant
2471 pools. Set current_function_uses_const_pool when reusing old entries
2472 as well as when creating new ones.
2473 (mark_constant): Ignore data argument.
2474 (mark_constants): Remove pool argument.
2475 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2476 to decide whether the function uses a constant pool.
2477 (output_constant_pool_contents): New function, split out from...
2478 (output_constant_pool): ...here.
2479 (output_shared_constant_pool): New function.
2480 (init_varasm_once): Initialize shared_constant_pool.
2481 * output.h (output_constant_pool): Delete.
2482 (output_shared_constant_pool): Declare.
2483 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2484 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2486 2006-03-06 Nick Clifton <nickc@redhat.com>
2488 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2489 flag_strength_reduce.
2491 2006-03-06 Ben Elliston <bje@au.ibm.com>
2493 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2494 x86_64-*-linux* configurations.
2496 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2497 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2499 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2501 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2502 Remove.
2503 * basic-block.h: Remove the extern for
2504 rediscover_loops_after_threading.
2506 * cfgloop.c (cancel_loop): Make it static.
2507 * cfgloop.h: Remove the prototype for cancel_loop.
2509 * flow.c (recompute_reg_usage): Make it static.
2510 * rtl.h: Remove the prototype for recompute_reg_usage.
2512 * function.c (use_return_register): Make it static.
2513 * function.h: Remove the prototype.
2515 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2517 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2518 Remove.
2519 * recog.h: Remove the prototype for
2520 validate_change_maybe_volatile.
2522 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2524 * rtlanal.c (replace_reg): Remove.
2525 * rtl.h: Remove the prototype for replace_reg.
2527 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2529 * regclass.c (reg_scan_update): Remove.
2530 (reg_scan_mark_refs): Remove the last argument.
2531 * rtl.h: Remove the prototype for reg_scan_update.
2533 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2535 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2536 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2537 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2538 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2539 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2540 loop-invariant.c, omp-low.c, opts.c, passes.c,
2541 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2542 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2543 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2544 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2545 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2546 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2548 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2550 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2551 * dwarf2out.h: Remove the prototype for
2552 dwarf2out_add_library_unit_info.
2554 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2556 * tree.c (add_var_to_bind_expr): Remove.
2557 * tree.h: Remove the prototype for add_var_to_bind_expr.
2559 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2561 * regclass.c (n_non_fixed_regs): Remove.
2562 (init_reg_sets_1, globalize_reg): Remove all uses of
2563 n_non_fixed_regs.
2564 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2566 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2568 * rtlanal.c (insns_safe_to_move_p): Remove.
2569 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2571 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2573 * expmed.c (expand_mult_add): Remove.
2574 * expr.h: Remove the prototype for expand_mult_add.
2576 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2578 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2579 and REG_SAVED_VAL_EXP constants.
2580 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2581 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2582 Handle regs stored by value.
2583 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2584 (execute_cfa_program): Handle DW_CFA_val_offset,
2585 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2586 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2587 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2588 (uw_install_context_1): Handle target regs stored by value.
2590 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2592 * tree-sra.c (tree_sra): Return todoflags;
2593 (generate_one_element): Set TODO_update_smt_usage if needed.
2594 (pass_sra): Remove TODO_update_smt_usage.
2595 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2596 parameter.
2597 (tree_ssa_forward_propagate_single_use_vars): Return
2598 TODO_update_smt_usage if we need to update SMT usage.
2599 (pass_forwprop): Remove TODO_update_smt_usage.
2601 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2603 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2604 (correct_use_link): Remove reference to get_stmt_operands.
2605 (update_stmt_operands): Likewise.
2606 (get_modify_expr_operands): New function factored out of
2607 parse_ssa_operands and get_expr_operands.
2608 Try to create V_MUST_DEFs for LHS by default.
2609 (get_expr_operands) <case MODIFY_EXPR>: Call
2610 get_modify_expr_operands.
2611 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2612 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2613 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2614 get_modify_expr_operands.
2616 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2618 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2619 * tree-flow.h: Remove the prototype for
2620 referenced_var_lookup_if_exists.
2622 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2624 PR rtl-optimization/26345
2625 PR target/19061
2626 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2628 2006-03-03 Roger Sayle <roger@eyesopen.com>
2630 PR tree-optimization/26524
2631 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2632 fold_convert to create a constant of the appropriate type.
2634 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2636 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2637 SYMBOL_REF_IN_BLOCK_P.
2638 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2639 of SYMBOL_FLAG_IN_BLOCK.
2640 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2641 instead of SYMBOL_REF_IN_BLOCK_P.
2642 * explow.c (use_anchored_address): Likewise.
2643 * rtl.c (rtx_size): Likewise.
2644 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2645 instead of SYMBOL_FLAG_IN_BLOCK.
2646 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2647 SYMBOL_REF_IN_BLOCK_P.
2648 (assemble_variable): Likewise.
2649 (output_constant_def_contents): Likewise.
2650 (output_constant_pool): Likewise.
2651 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2652 instead of SYMBOL_FLAG_IN_BLOCK.
2653 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2654 SYMBOL_REF_IN_BLOCK_P.
2655 (SYMBOL_REF_BLOCK): Likewise.
2656 (SYMBOL_REF_OFFSET): Likewise.
2657 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2658 SYMBOL_REF_IN_BLOCK_P.
2659 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2660 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2661 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2662 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2664 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2666 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2668 2006-03-02 Roger Sayle <roger@eyesopen.com>
2670 * simplify-rtx.c (simplify_unary_operation): When simplifying
2671 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2672 that we perform the right shift in the appropriate mode, and
2673 then extend or truncate the result to requested mode.
2675 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2677 * gengtype.c (main): Handle double_int type.
2678 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2679 * double-int.c: New file.
2680 * double-int.h: New file.
2681 * system.h: Include doubleint.h.
2682 * Makefile.in (SYSTEM_H): Include double-int.h.
2683 (double-int.o): Add.
2685 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2687 PR bootstrap/26478
2688 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2689 copying over it.
2691 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2693 * tree-vrp.c (remove_range_assertions): Do not update statements
2694 unnecessarily.
2696 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2698 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2699 cleanup.
2700 * gcse.c (rest_of_handle_gcse): Ditto.
2701 * except.c (gate_handle_eh): Ditto.
2702 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2703 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2705 2006-03-02 Eric Christopher <echristo@apple.com>
2707 * config/i386/i386.c (machopic_output_stub): Add indirection to
2708 jump.
2710 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2712 * loop.c: Removed.
2714 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2716 Sun Niagara specific optimizations.
2717 * config.gcc: Recognize niagara as target.
2718 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2719 (TARGET_CPU_niagara): Define.
2720 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2721 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2722 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2723 (ASM_CPU_SPEC): Likewise.
2724 (PROCESSOR_NIAGARA): New enum entry.
2725 (REGISTER_MOVE_COST): Handle Niagara.
2726 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2727 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2728 (sparc_override_options): Recognize "niagara", set appropriate
2729 default MASK_* values for it, and align functions to 32-bytes
2730 by default just like ULTRASPARC/ULTRASPARC3.
2731 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2732 (sparc64_initialize_trampoline): Likewise.
2733 (sparc_use_sched_lookahead): Use zero for niagara.
2734 (sparc_issue_rate): Use one for niagara.
2735 * config/sparc/niagara.md: New file.
2736 * config/sparc/sparc.md: Include it.
2737 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2738 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2739 when default cpu is niagara.
2740 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2741 (ASM_CPU_SPEC): Likewise.
2742 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2743 when default cpu is niagara.
2744 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2745 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2746 just like v9/ultrasparc/ultrasparc3.
2747 * doc/invoke.texi: Add documentation for "niagara" and improve
2748 existing documentation for ultrasparc variants.
2750 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2752 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2754 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2756 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2757 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2758 and say that only one is needed.
2759 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2760 * target.h (have_switchable_bss_sections): New hook.
2761 * explow.c (use_anchored_address): Check that the symbol is in a block.
2762 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2763 (bss_noswitch_section): New variables.
2764 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2765 (get_noswitch_section): New function.
2766 (get_block_for_section): Allow SECT to be null.
2767 (unlikely_text_section_p): Use SECTION_STYLE.
2768 (bss_initializer_p): New function.
2769 (get_variable_section): Move earlier in file. Take a new argument,
2770 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2771 Return one of the new *_sections in such cases.
2772 (get_block_for_decl): New function, extracting some logic from
2773 use_blocks_for_decl_p.
2774 (change_symbol_section): Remove in favor of...
2775 (change_symbol_block): ...this new function.
2776 (use_blocks_for_decl_p): Remove checks now performed by
2777 get_block_for_decl.
2778 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2779 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2780 (emit_local, emit_bss, emit_common): ...these new functions.
2781 Return true if the alignment was honored.
2782 (emit_tls_common): New function.
2783 (asm_emit_uninitialised): Delete.
2784 (assemble_variable_noswitch): New function, split out from...
2785 (assemble_variable): ...here. Don't make decisions about common
2786 variables here. Globalize all public decls that go into non-common
2787 sections. Check whether SYMBOL_REF_BLOCK is null.
2788 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2789 (output_constant_pool): Likewise.
2790 (init_varasm_once): Initialize the new section variables.
2791 (have_global_bss_p): New function.
2792 (categorize_decl_for_section): Use bss_initializer_p.
2793 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2794 (place_block_symbol): Assert that the symbol must be in a block.
2795 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2796 (TARGET_INITIALIZER): Include it.
2797 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2798 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2799 (SECTION_MACH_DEP): Bump by two.
2800 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2801 (unnamed_section): Mention SECTION_UNNAMED in comment.
2802 (named_section): Likewise SECTION_NAMED.
2803 (noswitch_section_callback): New type.
2804 (noswitch_section): New structure.
2805 (section): Add a noswitch_section alternative.
2806 (SECTION_STYLE): New macro.
2807 (tls_comm_section, comm_section, lcomm_section): Declare.
2808 (bss_noswitch_section, have_global_bss_p): Declare.
2809 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2810 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2811 Override.
2812 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2813 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2814 Override.
2816 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2818 * gcc/tree-vrp.c (execute_vrp): Return value.
2819 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2820 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2821 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2822 (tree_lower_complex_O0): Ditto.
2823 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2824 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2825 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2826 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2827 (execute_tail_calls): Ditto.
2828 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2829 * gcc/tree.h (init_function_for_compilation): Ditto.
2830 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2831 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2832 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2833 * gcc/final.c (compute_alignments): Ditto.
2834 (rest_of_handle_final): Ditto.
2835 (rest_of_handle_shorten_branches): Ditto.
2836 (rest_of_clean_state): Ditto.
2837 * gcc/omp-low.c (execute_expand_omp): Ditto.
2838 (execute_lower_omp): Ditto.
2839 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2840 * gcc/ipa-reference.c (static_execute): Ditto.
2841 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2842 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2843 (rest_of_handle_machine_reorg): Ditto.
2844 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2845 * gcc/flow.c (recompute_reg_usage): Ditto.
2846 (rest_of_handle_remove_death_notes): Ditto.
2847 (rest_of_handle_life): Ditto.
2848 (rest_of_handle_flow2): Ditto.
2849 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2850 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2851 (do_ssa_store_ccp): Ditto.
2852 (execute_fold_all_builtins): Ditto.
2853 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2854 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2855 * gcc/ipa-pure-const.c (static_execute): Ditto.
2856 * gcc/cse.c (rest_of_handle_cse): Ditto.
2857 (rest_of_handle_cse2): Ditto.
2858 * gcc/web.c (rest_of_handle_web): Ditto.
2859 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2860 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2861 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2862 * gcc/tree-nrv.c (tree_nrv): Ditto.
2863 (execute_return_slot_opt): Ditto.
2864 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2865 (create_structure_vars): Ditto.
2866 * gcc/loop-init.c (rtl_loop_init): Ditto.
2867 (rtl_loop_done): Ditto.
2868 (rtl_move_loop_invariants): Ditto.
2869 (rtl_unswitch): Ditto.
2870 (rtl_unroll_and_peel_loops): Ditto.
2871 (rtl_doloop): Ditto.
2872 * gcc/gimple-low.c (lower_function_body): Ditto.
2873 (mark_used_blocks): Ditto.
2874 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2875 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2876 (cgraph_early_inlining): Ditto.
2877 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2878 * gcc/jump.c (cleanup_barriers): Ditto.
2879 (purge_line_number_notes): Ditto.
2880 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2881 (rest_of_handle_if_after_reload): Ditto.
2882 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2883 (tree_ssa_loop_im): Ditto.
2884 (tree_ssa_loop_unswitch): Ditto.
2885 (tree_vectorize): Ditto.
2886 (tree_linear_transform): Ditto.
2887 (tree_ssa_loop_ivcanon): Ditto.
2888 (tree_ssa_empty_loop): Ditto.
2889 (tree_ssa_loop_bounds): Ditto.
2890 (tree_complete_unroll): Ditto.
2891 (tree_ssa_loop_prefetch): Ditto.
2892 (tree_ssa_loop_ivopts): Ditto.
2893 (tree_ssa_loop_done): Ditto.
2894 * gcc/predict.c (tree_estimate_probability): Ditto.
2895 * gcc/recog.c (split_all_insns_noflow): Ditto.
2896 (rest_of_handle_peephole2): Ditto.
2897 (rest_of_handle_split_all_insns): Ditto.
2898 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2899 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2900 (rest_of_handle_stack_adjustments): Ditto.
2901 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2902 * gcc/function.c (instantiate_virtual_regs): Ditto.
2903 (init_function_for_compilation): Ditto.
2904 (rest_of_handle_check_leaf_regs): Ditto.
2905 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2906 (rest_of_handle_gcse): Ditto.
2907 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2908 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2909 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2910 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2911 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2912 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2913 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2914 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2915 * gcc/except.c (set_nothrow_function_flags): Ditto.
2916 (convert_to_eh_region_ranges): Ditto.
2917 (rest_of_handle_eh): Ditto.
2918 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2919 (remove_unnecessary_notes): Ditto.
2920 * gcc/except.h (set_nothrow_function_flags): Ditto.
2921 (convert_to_eh_region_ranges): Ditto.
2922 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2923 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2924 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2925 (execute_fre): Ditto.
2926 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2927 (rest_of_handle_jump2): Ditto.
2928 * gcc/tree-sra.c (tree_sra): Ditto.
2929 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2930 (execute_mudflap_function_decls): Ditto.
2931 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2932 (do_store_copy_prop): Ditto.
2933 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2934 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2935 * gcc/tree-ssa-forwprop.c
2936 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2937 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2938 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2939 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2940 (execute_late_warn_uninitialized): Ditto.
2941 * gcc/rtl.h (cleanup_barriers): Ditto.
2942 (split_all_insns_noflow): Ditto.
2943 (purge_line_number_notes): Ditto.
2944 (unshare_all_rtl): Ditto.
2945 (remove_unnecessary_notes): Ditto.
2946 (recompute_reg_usage): Ditto.
2947 (variable_tracking_main): Ditto.
2948 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2949 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2950 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2951 (execute_free_cfg_annotations): Ditto.
2952 (execute_fixup_cfg): Ditto.
2953 (execute_cleanup_cfg_pre_ipa): Ditto.
2954 (execute_cleanup_cfg_post_optimizing): Ditto.
2955 (execute_init_datastructures): Ditto.
2956 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2957 * gcc/combine.c (rest_of_handle_combine): Ditto.
2958 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2959 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2960 (rest_of_handle_reorder_blocks): Ditto.
2961 (rest_of_handle_partition_blocks): Ditto.
2962 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2963 * gcc/tree-profile.c (tree_profiling): Ditto.
2964 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2965 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2966 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2967 (rest_of_handle_sched2): Ditto.
2968 * gcc/basic-block.h (free_bb_insn): Ditto.
2969 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2970 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2971 (remove_useless_stmts): Ditto.
2972 (split_critical_edges): Ditto.
2973 (execute_warn_function_return): Ditto.
2974 (execute_warn_function_noreturn): Ditto.
2975 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2976 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2977 * gcc/passes.c (execute_one_pass): Run additional
2978 todos returned by execute function.
2979 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2980 return a value.
2982 2006-03-02 Richard Guenther <rguenther@suse.de>
2984 * tree-ssa-alias.c (find_used_portions): Consider taking
2985 the address as making the variable not write-only.
2987 2006-03-02 Nick Clifton <nickc@redhat.com>
2989 * config.gcc (default_use_cxa_atexit): Extend the description of
2990 this configure variable. Set its default value to "yes" for
2991 Linux, NetBSD and ELF targets on the assumption that they will
2992 use C libraries with the __cxa_atexit function.
2994 2006-03-02 Ben Elliston <bje@au.ibm.com>
2996 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2997 parameter as unused to suppress a build warning.
2999 2006-03-02 Ben Elliston <bje@au.ibm.com>
3001 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3002 config/dfp-bit.c.
3004 2006-03-01 Roger Sayle <roger@eyesopen.com>
3006 PR other/26489
3007 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3008 declared name, the weak reference name, and the typeof name.
3009 (__gthrw): Avoid expanding the declared name suffix.
3010 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3012 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3014 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3015 from DWARF 3.
3016 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3017 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3018 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3019 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3020 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3021 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3022 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3023 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3024 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3025 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3026 (DW_END_default, DW_END_big, DW_END_little): New.
3027 (DW_END_lo_user, DW_END_hi_user): Define.
3028 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3029 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3030 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3031 DW_LANG_D): New.
3033 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3035 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3036 Update all users.
3037 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3038 Update all users.
3039 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3040 Update all users.
3041 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3042 Update all users.
3043 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3044 to 'symbol_mem_tag'.
3045 Update all users.
3046 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3047 rename.
3049 2006-03-01 Roger Sayle <roger@eyesopen.com>
3051 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3053 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3055 PR target/25761
3056 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3057 MACHO_DYNAMIC_NO_PIC_P.
3058 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3060 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3062 PR target/26389
3063 * config/darwin-protos.h (darwin_asm_output_anchor):
3064 Declare.
3065 * config/darwin-sections.def (cstring_section):
3066 Add SECTION_MERGE to the flags.
3067 (literal4_section): Likewise.
3068 (literal8_section): Likewise.
3069 (objc_selector_refs_section): Likewise.
3070 (objc_cls_refs_section): Likewise.
3071 * config/darwin.c (darwin_asm_output_anchor): New
3072 function.
3073 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3075 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3077 Fix PR tree-optimization/26443
3078 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3079 to todo and PROP_tmt_usage to properties_destroyed.
3080 * tree-ssa-ccp.c (pass_ccp): Ditto.
3081 (pass_store_ccp): Ditto.
3082 * tree-ssa-dom.c (pass_dominator): Ditto.
3084 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3086 * tree-ssa-operands.c: Cleanup whitespace.
3087 (get_asm_expr_operands): Move before first invocation.
3088 (get_indirect_ref_operands): Likewise.
3089 (get_tmr_operands): Likewise.
3090 (get_call_expr_operands): Likewise.
3091 (append_def): Likewise.
3092 (append_use): Likewise.
3093 (append_v_may_def): Likewise.
3094 (append_v_must_def): Likewise.
3095 (add_call_clobber_ops): Likewise.
3096 (add_call_read_ops): Likewise.
3097 (add_stmt_operand): Likewise.
3098 (add_virtual_operand): Likewise.
3099 (build_ssa_operands): Likewise.
3101 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3103 PR middle-end/26022
3104 Revert:
3105 PR middle-end/24437
3106 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3107 with a call expr to ...
3108 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3110 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3112 * tree-vrp.c (extract_range_from_assert): Remove special
3113 handling for types with super-types.
3115 2006-03-01 Ben Elliston <bje@au.ibm.com>
3117 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3118 and powerpc64-*-linux* configurations.
3119 * config/t-dfprules: New file.
3121 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3122 Compile dfp-bit.c from the source directory using -DWIDTH and
3123 $DFP_CFLAGS to control the compilation of that file, rather than
3124 generating width-specific versions in the build directory.
3125 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3126 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3128 2006-02-28 Zack Weinberg <zackw@panix.com>
3130 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3131 continues to work.
3133 2006-02-28 Eric Christopher <echristo@apple.com>
3135 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3136 Set up IN_LIBGCC definition of TARGET_64BIT.
3137 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3139 2006-02-28 Roger Sayle <roger@eyesopen.com>
3141 PR middle-end/14752
3142 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3143 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3144 cases via the construction of "expr != 0".
3146 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3148 * alias.c (alias_invariant, alias_invariant_size): Remove.
3149 (record_base_value): Remove.
3150 (memrefs_conflict_p): Don't look at alias_invariant.
3151 (end_alias_analysis): Don't free it.
3152 * alias.h (record_base_value): Remove prototype.
3154 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3155 Adam Nemet <anemet@caviumnetworks.com>
3157 * rtl.h (truncated_to_mode): Declare it.
3158 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3159 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3160 (RTL_HOOKS_INITIALIZER): Include it.
3161 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3162 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3163 reg_truncated_to_mode.
3164 * rtlanal.c (truncated_to_mode): Define it.
3165 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3167 2006-02-28 Jeff Law <law@redhat.com>
3169 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3170 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3171 the range allowed by TYPE_PRECISION.
3173 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3175 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3177 PR tree-optimization/26419
3178 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3179 values of n.
3181 2006-02-27 Zack Weinberg <zackw@panix.com>
3183 * doc/md.texi: Fix typo in previous change.
3185 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3187 * df.c: Remove.
3189 2006-02-27 Zack Weinberg <zackw@panix.com>
3191 * rtl.def (define_constraint, define_register_constraint)
3192 (define_memory_constraint, define_address_constraint): New MD forms.
3193 * gensupport.c (process_rtx): Put define_constraint etc on the
3194 predicate queue.
3195 * genpreds.c (process_define_predicate): Adjust comment. Validate
3196 the name, and call validate_exp to validate the expression.
3197 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3198 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3199 all callers changed.
3200 (validate_exp, needs_variable, struct constraint_data)
3201 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3202 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3203 (const_dbl_constraints, constraint_max_namelen)
3204 (have_register_constraints, have_memory_constraints)
3205 (have_address_constraints, have_address_constraints)
3206 (have_extra_constraints, have_const_int_constraints)
3207 (have_const_dbl_constraints, mangle, add_constraint)
3208 (process_define_constraint, process_define_register_constraint)
3209 (write_enum_constraint_num, write_lookup_constraint)
3210 (write_insn_constraint_len, write_regclass_for_constraint)
3211 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3212 (write_insn_extra_memory_constraint)
3213 (write_insn_extra_address_constraint)
3214 (write_satisfies_constraint_fns): New.
3215 (write_tm_preds_h): If we have new-style constraint definitions,
3216 prototype the functions generated from them, and define the
3217 old constraint interface (still used by generic code) in terms of
3218 those functions.
3219 (write_insn_preds_c): If we have new-style constraint definitions,
3220 generate all relevant functions from those definitions.
3221 (main): Handle define_constraint etc.
3222 * genoutput.c (struct constraint_data, indep_constraints)
3223 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3224 (mdep_constraint_len): New data structures and functions, defined
3225 #ifdef USE_MD_CONSTRAINTS.
3226 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3227 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3228 use new logic to validate operand constraints against constraint
3229 definitions.
3230 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3231 defined.
3232 * defaults.h: If none of the old-style constraint macros are
3233 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3234 old-style macros; and poison REG_CLASS_FROM_LETTER,
3235 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3236 EXTRA_CONSTRAINT.
3237 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3238 * doc/md.texi: Document new constraint-definition mechanism and the
3239 C interface it provides. Remove references to old mechanism
3240 elsewhere in the document.
3241 (Machine Constraints): Use pathnames relative to gcc directory,
3242 i.e. config/ARCH/FILE. Change i386 section to refer to
3243 config/i386/predicates.md; update that section to match docstrings.
3244 * doc/tm.texi: Move all documentation of the old constraint-
3245 definition macros to their own section, clearly mark as obsolete.
3247 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3248 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3249 definitions.
3250 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3251 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3252 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3253 constraint strings.
3254 (splits and peepholes): Use satisfies_constraint_*.
3255 * config/i386/i386.c (memory_address_length)
3256 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3258 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3260 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3261 scalar operation to be put back into the loop.
3263 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3265 PR other/26208
3266 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3267 (extract_cie_info): Handle S flag in augmentation string.
3268 (execute_cfa_program): If context->signal_frame, execute also
3269 fs->pc == context->ra instructions.
3270 (uw_frame_state_for): If context->signal_frame, don't subtract one
3271 from context->ra to find FDE.
3272 (uw_update_context_1): Set context->signal_frame to
3273 fs->signal_frame.
3274 (_Unwind_GetIPInfo): New function.
3275 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3276 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3277 of _Unwind_GetIP.
3278 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3279 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3280 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3281 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3282 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3283 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3284 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3285 x86_64_fallback_frame_state): Set fs->signal_frame.
3286 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3287 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3288 (frob_update_context): Likewise. Workaround missing S flag in
3289 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3290 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3291 Remove the psw_addr + 1 hack.
3293 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3295 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3296 with aggregates here.
3297 (find_func_aliases): Remove code for &<aggregate> from here.
3299 2006-02-26 Roger Sayle <roger@eyesopen.com>
3301 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3302 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3303 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3304 as (X & C) ne/eq 0.
3306 2006-02-26 Roger Sayle <roger@eyesopen.com>
3308 PR middle-end/19983
3309 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3311 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3313 * opts.c (decode_options): Do not handle flag_strength_reduce.
3314 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3315 and OPT_fstrength_reduce.
3316 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3317 flag_prefetch_loop_arrays for being nonzero.
3318 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3319 no-ops.
3320 (fprefetch-loop-arrays-rtl): Removed.
3321 (flag_prefetch_loop_arrays): Do not specify the value.
3323 * doc/passes.texi: Update documentation of loop optimizer
3324 passes.
3325 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3326 -frerun-loop-opt): Remove.
3328 2006-02-26 Richard Guenther <rguenther@suse.de>
3330 PR tree-optimization/26421
3331 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3332 in function calls that are ADDR_EXPRs as using the whole structure.
3334 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3336 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3337 * tree-pass.h (pass_loop_optimize): Remove.
3338 * passes.c (pass_loop_optimize): Never run it.
3339 * toplev.c (backend_init): Don't call init_loop.
3340 * opts.c (flag_loop_optimize_set): Remove.
3341 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3342 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3343 the old RTL loop optimizer when profiling enabled.
3344 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3345 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3346 pre-headers for the sake of the old RTL loop optimizer.
3347 * Makefile.in: Remove all references to loop.o.
3349 * doc/invoke.texi: Remove all references to -floop-optimize
3350 and -frerun-loop-opt.
3352 2006-02-26 Zack Weinberg <zackw@panix.com>
3354 * doc/md.texi (Machine Constraints): Refer to all files with paths
3355 relative to gcc directory (i.e. config/CPU/file). Add missing
3356 @table @code ... @end table to M32C subsection.
3358 2006-02-26 Roger Sayle <roger@eyesopen.com>
3360 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3361 (X & 1) == 0.
3362 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3364 2006-02-26 Roger Sayle <roger@eyesopen.com>
3365 James A. Morrison <phython@gcc.gnu.org>
3367 PR middle-end/21137
3368 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3369 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3370 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3371 signedness of the shift operation.
3373 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3375 PR tree-optimization/26359
3376 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3378 2006-02-25 Roger Sayle <roger@eyesopen.com>
3380 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3381 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3382 as X == 0, and some symmetry related transformations.
3383 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3385 2006-02-25 Roger Sayle <roger@eyesopen.com>
3387 PR middle-end/23673
3388 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3389 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3390 symmetry related transformations. Fold (X^C1) == C2 as
3391 X == (C1^C2).
3393 2006-02-25 Juergen Weigert <jw@suse.de>
3394 Richard Guenther <rguenther@suse.de>
3396 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3398 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3400 * combine.c (gen_lowpart_or_truncate): Call
3401 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3403 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3405 * doc/invoke.texi: Move -fopenmp description to "Options for
3406 Code Generation".
3407 Remove reference to -lgomp.
3409 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3411 * doc/install.texi: Require GNU tar version 1.14.
3413 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3415 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3416 * doc/invoke.texi (C++ Dialect Options): Document
3417 -fno-use-cxa-get-exception-ptr.
3418 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3419 * configure: Regenerate.
3420 * c.opt (fuse-cxa-get-exception-ptr): New.
3421 * c-opts.c (c_common_handle_option): Handle
3422 OPT_fuse_cxa_get_exception_ptr.
3423 * c-common.c (flag_use_cxa_atexit): Update documentation.
3424 (flag_use_cxa_get_exception_ptr): New.
3425 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3426 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3427 documentation.
3428 (C_COMMON_OVERRIDE_OPTIONS): New.
3430 2006-02-24 Roger Sayle <roger@eyesopen.com>
3432 PR middle-end/24952
3433 * combine.c (try_combine): Explicitly check whether GET_CODE is
3434 a SET or a CLOBBER, instead on checking that it isn't a USE.
3436 2006-02-24 Roger Sayle <roger@eyesopen.com>
3438 * fold-const.c (fold_comparison): New subroutine of fold_binary
3439 containing transformations common to both the equality and
3440 ordering relational operators, factored out of fold_binary.
3441 (fold_binary): Separate out the equality operators (EQ_EXPR
3442 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3443 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3444 transformations common to both.
3445 (fold_div_compare): Fix latent bugs in the previously unreachable
3446 LT_EXPR and GE_EXPR cases.
3448 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3450 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3451 decl libname for clog to __clog on AIX.
3453 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3455 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3457 PR target/26453
3458 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3459 output traceback table for thunks. Localise rs6000_stack_info call.
3461 2006-02-23 Roger Sayle <roger@eyesopen.com>
3462 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3464 * gthr-posix.h (__gthrw): Fix typo in comment.
3466 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3468 * doc/cpp.texi (Character sets): Document that we do support
3469 input files to be in any character set.
3471 2006-02-23 Jeff Law <law@redhat.com>
3473 * tree.h (PHI_ARG_NONZERO): Remove.
3474 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3475 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3476 node to the new node.
3478 PR tree-optimization/26425
3479 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3480 min/max, then assume its varying.
3482 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3484 PR rtl-optimization/26316
3485 * rtlanal.c (enum may_trap_p_flags): New.
3486 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3487 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3488 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3489 (may_trap_after_code_motion_p): New function.
3490 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3491 (find_invariant_insn): Use may_trap_after_code_motion_p.
3492 * rtl.h (may_trap_after_code_motion_p): Declare.
3494 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3496 * emit-rtl.c (immed_double_const): Cleanup.
3498 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3500 Fix PR tree-optimization/26376
3501 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3502 remove assert.
3504 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3506 PR middle-end/26412
3507 * gimplify.c (omp_add_variable): Guard variable size decl test with
3508 DECL_SIZE (decl) check.
3510 2006-02-23 Richard Guenther <rguenther@suse.de>
3512 PR middle-end/26439
3513 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3514 like aggregate types.
3516 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3518 * configure.ac: Add --with{,out}-long-double-128 configure option.
3519 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3520 * configure: Rebuilt.
3521 * config.in: Rebuilt.
3522 * doc/install.texi (Options specification): Document
3523 --with-long-double-128.
3525 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3526 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3527 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3528 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3530 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3532 * config/s390/s390.c (override_options): Handle
3533 TARGET_DEFAULT_LONG_DOUBLE_128.
3535 * config/alpha/alpha.c (override_options): Handle
3536 TARGET_DEFAULT_LONG_DOUBLE_128.
3538 * config/sparc/sparc.c (sparc_override_options): Handle
3539 TARGET_DEFAULT_LONG_DOUBLE_128.
3541 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3543 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3544 (real-install-headers-tar, real-install-headers-cpio)
3545 (real-install-headers-cp): New targets.
3547 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3549 * tree.h (variable_section): Delete.
3550 * varasm.c (variable_section): Delete.
3552 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3554 * install.texi: Add notes on install.texi2html.
3555 (Building in parallel): Do not use footnotes.
3557 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3559 PR libgomp/26234
3560 * doc/install.texi (Configuration): Document --disable-libgomp.
3562 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3564 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3566 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3568 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3569 (vec_extractv2df_0_sse): New.
3571 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3573 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3574 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3575 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3576 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3577 to the result of the expression.
3578 (def_cfa_1): Adjust.
3579 (frame_pointer_cfa_offset): Rename to...
3580 (frame_pointer_fb_offset): ... this. Adjust all uses.
3581 (convert_cfa_to_loc_list): Rename to...
3582 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3583 Pass it on to build_cfa_loc.
3584 (compute_frame_pointer_to_cfa_displacement): Rename to...
3585 (compute_frame_pointer_to_fb_displacement): ... this. New
3586 offset parameter. Use it in computation.
3587 (gen_subprogram_die): Compute cfa_fb_offset with the new
3588 macro, and use it to compute the fb loc list and the
3589 displacement.
3591 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3593 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3594 replaced with register_operand.
3595 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3596 non-DREG is expensive.
3597 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3598 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3599 involving memory.
3601 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3603 * doc/install.texi2html: Use set -e.
3605 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3607 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3608 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3609 * doc/invoke.texi (-fshared-data): Delete.
3610 * common.opt (fshared-data): Delete.
3611 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3612 (assemble_static_space): Remove #if 0 code.
3613 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3614 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3615 * config/cris/cris.h: Remove FIXME.
3617 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3619 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3620 hooks.
3622 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3624 PR middle-end/26379
3625 * combine.c (simplify_shift_const_1): Disable nested shifts
3626 optimization for vector shifts.
3628 2006-02-20 Roger Sayle <roger@eyesopen.com>
3630 PR tree-optimization/26361
3631 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3632 of unsigned integer types.
3634 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3636 * tree-chrec.c (eq_evolutions_p): New.
3637 * tree-chrec.h (eq_evolutions_p): Declared.
3638 * tree-data-ref.c: Fix formatting.
3639 (datadep_stats, dependence_stats): New.
3640 (gcd): Moved...
3641 (print_direction_vector): New.
3642 (dump_data_dependence_relation): Use print_direction_vector.
3643 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3644 (compute_subscript_distance): Static.
3645 (initialize_data_dependence_relation): Static. Get the number
3646 of loops surrounding the references from the callers, and initialize
3647 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3648 base_object_differ_p analyzers.
3649 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3650 compute_overlap_steps_for_affine_1_2,
3651 analyze_subscript_affine_affine): Count the classified dependences.
3652 Print a message when a test failed.
3653 (can_use_analyze_subscript_affine_affine): New.
3654 (analyze_siv_subscript): Compute the data dependences on symbolic
3655 scevs that verify can_use_analyze_subscript_affine_affine.
3656 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3657 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3658 Handle symbolic scevs.
3659 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3660 analyzed.
3661 (subscript_dependence_tester): Moved...
3662 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3663 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3664 DDR_SIZE_VECT instead of getting it in parameter.
3665 (subscript_dependence_tester): ... here. Take as a parameter
3666 loop_nest_depth. Call build_classic_dist_vector and
3667 build_classic_dir_vector.
3668 (compute_affine_dependence): Update subscript_dependence_tester
3669 parameters. Update datadep_stats counters. Call
3670 compute_subscript_distance.
3671 (compute_self_dependence): Save the dist and dir vectors. Call
3672 compute_subscript_distance.
3673 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3674 (compute_all_dependences): Reorder parameters as they were before
3675 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3676 compute_subscript_distance. Update the use of
3677 compute_affine_dependence and initialize_data_dependence_relation.
3678 (find_data_references_in_loop): Handle COMPONENT_REF.
3679 (compute_data_dependences_for_loop): Initialize dependence_stats.
3680 Don't call build_classic_dist_vector and build_classic_dir_vector.
3681 Update the parameters of initialize_data_dependence_relation and
3682 compute_all_dependences. Print the statistics from datadep_stats.
3683 (analyze_all_data_dependences): Static. Not used until the pass for
3684 checking the data dependences is contributed.
3685 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3686 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3687 (initialize_data_dependence_relation, compute_affine_dependence,
3688 analyze_all_data_dependences, compute_subscript_distance): Removed.
3689 (print_direction_vector): New.
3690 * lambda.h (gcd): ... here.
3691 (lambda_vector_gcd): Moved here from gcd_vector.
3692 * lambda-code.c (gcd, gcd_vector): Removed.
3693 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3694 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3696 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3698 * ipa-type-escape.c: Tidy some comments and white space.
3699 * tree-ssa-operands.c: Likewise.
3701 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3703 PR tree-opt/25879
3704 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3705 (dump_decl_name): Do not walk the decl tree chains.
3706 * tree-pass.h (TDF_CHAIN): Remove.
3708 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3710 * Makefile.in (C): Remove
3711 (PROTO): Remove
3712 (.PHONY): Remove C and PROTO
3714 2006-02-20 Roger Sayle <roger@eyesopen.com>
3716 PR middle-end/26236
3717 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3718 deprecated CHAR_TYPE tree code.
3720 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3722 * configure.ac (target_list): Add install-info, dvi, html.
3723 * configure: Regenerate.
3725 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3726 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3727 treelang/Make-lang.in: Do not use double-colon rules.
3729 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3731 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3732 (TMT_USED_ALONE): New macro.
3733 * tree-pass.h (PROP_tmt_usage): New property.
3734 (TODO_update_tmt_usage): New todo.
3735 * tree-ssa-alias.c (updating_used_alone): New variable.
3736 (recalculate_used_alone): New function.
3737 (compute_may_aliases): Set updating_used_alone, call
3738 recalculate_used_alone.
3739 * tree-sra.c (pass_sra): Note that this pass destroys
3740 PROP_tmt_usage, and add TODO_update_tmt_usage.
3741 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3742 * tree-flow.h (updating_used_alone): Prototype.
3743 (recalculate_used_alone): Ditto.
3744 * passes.c (execute_todo): Add code to set updating_used_alone,
3745 and call recalculate.
3746 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3747 for clobber if used alone, and add assert to verify used_alone
3748 status.
3750 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3752 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3753 for non tls symbols added.
3754 (legitimize_address): Do nothing for PLUS expressions if one of the
3755 addends is a tls symbol reference.
3757 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3759 PR bootstrap/25476
3761 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3763 * Makefile.in (BOOTSTRAPPING): New.
3764 (quickstrap): New definition if BOOTSTRAPPING=yes.
3766 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3767 * configure.ac: Substitute all_selected_languages with the languages
3768 that were configured. For all the other variables except
3769 lang_specs_files, include all the languages in the tree.
3770 * configure: Regenerate.
3772 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3773 if there is one. Run the commands to run fixincludes in the same
3774 subshell.
3776 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3777 * doc/install.texi: Document exact conventions for searching target tools.
3778 Document --with-build-time-tools. Document toplevel bootstrap. Document
3779 something more about building an Ada cross-compiler. Don't list GNU Make
3780 requirements which affect all platforms.
3782 2006-02-19 Roger Sayle <roger@eyesopen.com>
3784 PR middle-end/19543
3785 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3786 only equivalent if the have both the same mode and precision.
3788 2006-02-20 Ben Elliston <bje@au.ibm.com>
3790 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3792 2006-02-19 Roger Sayle <roger@eyesopen.com>
3793 Steven Bosscher <stevenb.gcc@gmail.com>
3795 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3796 constant pool references to identify stack mode constants.
3797 * rtlanal.c (constant_pool_constant_p): New predicate to check
3798 whether operand is a floating point constant in the pool.
3799 * rtl.h (constant_pool_constant_p): Prototype here.
3800 * loop.c (scan_loop): Avoid hoisting constants from the constant
3801 pool on STACK_REGS targets.
3802 (load_mems): Likewise.
3803 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3804 loads into x87 registers expensive in terms of register pressure.
3806 2006-02-19 Roger Sayle <roger@eyesopen.com>
3808 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3809 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3811 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3813 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3814 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3816 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3818 * doc/invoke.texi: Document -fipa-pta.
3819 * common.opt: Add ipa-pta option.
3820 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3821 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3822 (do_ds_constraint): Ditto.
3823 (get_constraint_for): Only add to referenced_vars if
3824 referenced_vars exists.
3825 (insert_into_field_list): Rewrite to do this unsorted.
3826 (insert_into_field_list_sorted): Rename old insert_into_field_list
3827 to this.
3828 (create_function_info_for): Use insert_into_field_list_sorted.
3829 (create_variable_info_for): Rewrite so it uses unsorted version,
3830 since the field list is sorted.
3831 (intra_create_variable_infos): Only add to referenced_vars if
3832 referenced_vars exists.
3833 (ipa_pta_execute): Init heapvars, and delete when done.
3834 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3836 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3838 * doc/install.texi: Add missing `@samp'.
3840 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3842 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3843 Use the arguments.
3845 2006-02-18 Mark Wielaard <mark@klomp.org>
3847 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3848 who added new 4.1 features, bug fixes and integration support.
3850 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3852 PR target/26350
3853 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3854 MEM for ABI_V4 pic.
3856 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3858 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3859 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3860 (copy_insn_1): Likewise. Don't copy each field individually.
3861 Reindent.
3862 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3863 of RTX_SIZE.
3864 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3865 * rtl.c (rtx_size): Rename variable to...
3866 (rtx_code_size): ...this.
3867 (rtx_size): New function.
3868 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3869 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3870 Reindent.
3871 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3872 * rtl.h (rtx_code_size): New variable.
3873 (rtx_size): Change from a variable to a function.
3874 (RTX_SIZE): Rename to...
3875 (RTX_CODE_SIZE): ...this.
3877 PR target/9703
3878 PR tree-optimization/17106
3879 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3880 (Anchored Addresses): New section.
3881 * doc/invoke.texi (-fsection-anchors): Document.
3882 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3883 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3884 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3885 * hooks.c (hook_bool_mode_rtx_false): New function.
3886 * hooks.h (hook_bool_mode_rtx_false): Declare.
3887 * gengtype.c (create_optional_field): New function.
3888 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3889 SYMBOL_REF_IN_BLOCK_P is true.
3890 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3891 (min_anchor_offset, max_anchor_offset): Likewise.
3892 (use_anchors_for_symbol_p): New hook.
3893 * toplev.c (compile_file): Call output_object_blocks.
3894 (target_supports_section_anchors_p): New function.
3895 (process_options): Check that -fsection-anchors is only used on
3896 targets that support it and when -funit-at-a-time is in effect.
3897 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3898 if the decl doesn't have one.
3899 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3900 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3901 of force_const_mem through use_anchored_address.
3902 (expand_expr_constant): New function.
3903 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3904 calling expand_expr for INDIRECT_REF.
3905 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3906 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3907 * expr.h (use_anchored_address): Declare.
3908 * loop-unroll.c: Don't declare rtx vectors here.
3909 * explow.c: Include output.h.
3910 (validize_mem): Call use_anchored_address.
3911 (use_anchored_address): New function.
3912 * common.opt (-fsection-anchors): New switch.
3913 * varasm.c (object_block_htab, anchor_labelno): New variables.
3914 (hash_section, object_block_entry_eq, object_block_entry_hash)
3915 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3916 (use_blocks_for_decl_p, change_symbol_section): New functions.
3917 (get_variable_section): New function, split out from assemble_variable.
3918 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3919 use_blocks_for_decl_p say so. Use change_symbol_section if the
3920 symbol has already been created.
3921 (assemble_variable_contents): New function, split out from...
3922 (assemble_variable): ...here. Don't output any code for
3923 block symbols; just pass them to place_block_symbol.
3924 Use get_variable_section and assemble_variable_contents.
3925 (get_constant_alignment, get_constant_section, get_constant_size): New
3926 functions, split from output_constant_def_contents.
3927 (build_constant_desc): Create a block symbol if use_object_blocks_p
3928 says so. Or into SYMBOL_REF_FLAGS.
3929 (assemble_constant_contents): New function, split from...
3930 (output_constant_def_contents): ...here. Don't output any code
3931 for block symbols; just pass them to place_section_symbol.
3932 Use get_constant_section and get_constant_alignment.
3933 (force_const_mem): Create a block symbol if use_object_blocks_p and
3934 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3935 (output_constant_pool_1): Add an explicit alignment argument.
3936 Don't switch sections here.
3937 (output_constant_pool): Adjust call to output_constant_pool_1.
3938 Switch sections here instead. Don't output anything for block symbols;
3939 just pass them to place_block_symbol.
3940 (init_varasm_once): Initialize object_block_htab.
3941 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3942 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3943 (place_block_symbol, get_section_anchor, output_object_block)
3944 (output_object_block_htab, output_object_blocks): New functions.
3945 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3946 (TARGET_ASM_OUT): Include it.
3947 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3948 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3949 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3950 (TARGET_INITIALIZER): Include them.
3951 * rtl.c (rtl_check_failed_block_symbol): New function.
3952 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3953 (block_symbol, object_block): New structures.
3954 (rtx_def): Add a block_symbol field to the union.
3955 (BLOCK_SYMBOL_CHECK): New macro.
3956 (rtl_check_failed_block_symbol): Declare.
3957 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3958 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3959 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3960 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3961 * output.h (output_section_symbols): Declare.
3962 (object_block): Name structure.
3963 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3964 (default_use_anchors_for_symbol_p): Declare.
3965 * Makefile.in (RTL_BASE_H): Add vec.h.
3966 (explow.o): Depend on output.h.
3967 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3968 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3969 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3970 (rs6000_use_blocks_for_constant_p): New function.
3972 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3974 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3976 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3978 PR tree-opt/25680
3979 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3980 IMAGPART_EXPR.
3982 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3984 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3985 is_aliased.
3986 Update all users.
3988 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3990 PR middle-end/26334
3991 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3992 instead of DECL_REGISTER.
3994 2006-02-18 Olivier Hainque <hainque@adacore.com>
3996 PR ada/13408
3997 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3999 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4001 PR target/24837
4002 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4003 * opth-gen.awk: Handle Var and InverseMask together.
4004 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4005 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4006 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4007 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4008 used together.
4009 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4010 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4011 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4012 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4013 LINUX_DYNAMIC_LINKER): Define.
4014 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4015 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4016 TARGET_GLIBC.
4017 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4018 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4019 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4020 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4021 (TARGET_C99_FUNCTIONS): Don't define.
4022 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4023 GLIBC_DYNAMIC_LINKER.
4024 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4025 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4026 GLIBC_DYNAMIC_LINKER64): Define.
4027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4028 LINUX_DYNAMIC_LINKER64.
4029 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4031 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4032 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4033 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4035 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4036 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4037 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4039 and LINUX_DYNAMIC_LINKER32.
4040 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4042 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4044 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4045 TARGET_GLIBC.
4046 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4047 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4048 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4049 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4050 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4051 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4052 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4053 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4054 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4055 LINUX_DYNAMIC_LINKER): Define.
4056 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4057 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4058 GLIBC_DYNAMIC_LINKER64): Define.
4059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4060 LINUX_DYNAMIC_LINKER64.
4061 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4062 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4063 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4064 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4065 LINUX_DYNAMIC_LINKER): Define.
4066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4067 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4068 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4069 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4070 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4071 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4072 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4073 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4074 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4075 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4076 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4077 * doc/invoke.texi (-muclibc): Remove caveat about supported
4078 targets.
4080 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4082 * doc/cpp.texi (__TIMESTAMP__): Document.
4084 2006-02-17 Roger Sayle <roger@eyesopen.com>
4086 PR middle-end/25600
4087 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4088 C is one less than the width of X (and related transformations).
4089 * simplify-rtx.c (simplify_unary_operation_1): Transform
4090 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4091 depending on STORE_FLAG_VALUE, were C is one less then the
4092 width of X.
4094 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4096 Fix PR tree-optimization/26341
4097 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4098 about NAME_MEMORY_TAG's.
4100 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4102 PR target/26255
4103 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4104 with hardware float support, and software float support. Add fcpy
4105 alternative to hardware patterns. Add alternatives to copy between
4106 general and floating-point registers to the 32-bit pattern.
4107 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4108 secondary reload to load a QI or HI mode constant into a floating
4109 point register.
4110 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4111 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4113 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4115 PR target/26272
4116 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4117 pc to the pattern.
4118 (load_macho_picbase_di): Likewise.
4120 2006-02-16 Jeff Law <law@redhat.com>
4122 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4123 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4124 (ssa_name_nonzero_p): Likewise.
4125 (get_value_range): Return NULL if VRP is not running.
4126 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4127 VRP routines do not discover a range.
4128 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4129 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4130 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4131 (tree_expr_nonnegative_p): Similarly.
4132 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4133 (restore_nonzero_vars_to_original_value): Remove.
4134 (unsafe_associative_fp_binop): Remove.
4135 (tree_ssa_dominator_optimize): Remove initialization and
4136 finalization of nonzero_vars and nonzero_vars_stack.
4137 (dom_opt_initialize_block): No longer push marker on
4138 nonzero_vars_stack.
4139 (dom_opt_finalize_block): No longer call
4140 restore_nonzero_vars_to_original_value.
4141 (record_equivalences_from_phis): No longer look for
4142 nonzero PHI arguments.
4143 (cprop_into_successor_phis): No longer propagate nonzero
4144 property into PHI arguments. Lose unused argument. Caller
4145 updated.
4146 (record_equivalences_from_stmt): No longer record nonzero
4147 values for SSA_NAMEs.
4148 (lookup_avail_expr): No longer use nonzero_vars.
4150 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4151 for sizetype when sizetype is unsigned.
4153 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4155 PR rtl-optimization/25603
4156 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4157 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4158 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4159 with new meaning of SETS.
4161 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4163 PR target/20353
4164 PR target/24578
4165 PR target/24837
4166 * config/linux.opt: New file.
4167 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4168 LINUX_DYNAMIC_LINKER): Define.
4169 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4170 * config.gcc (*-*-linux*): Define extra_options.
4171 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4172 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4173 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4174 GLIBC_DYNAMIC_LINKER.
4175 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4176 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4177 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4179 * doc/invoke.texi (GNU/Linux Options): New section.
4181 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4183 * config/sparc/sparc.md (setjmp): Rewrite.
4184 (setjmp_32): Delete.
4185 (setjmp_64): Likewise.
4187 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4189 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4190 previous change.
4192 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4194 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4195 read-write uses.
4197 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4199 PR rtl-optimization/26296
4200 * Makefile.in (loop-invariant.c): Add except.h dependency.
4201 * loop-invariant.c: Include except.h.
4202 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4204 2005-02-16 Paul Brook <paul@codesourcery.com>
4206 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4207 for reloads.
4209 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4211 PR rtl-optimization/25636
4212 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4213 when deciding whether an insn is an initializing insn.
4215 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4217 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4218 (tree_code_size): Ditto.
4219 * tree.h (struct tree_memory_tag): Remove parent_var.
4220 (struct tree_struct_field_tag): New.
4221 (SFT_OFFSET): New.
4222 (SFT_SIZE): New.
4223 (union tree_node): Add sft member.
4224 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4225 specially here.
4226 (create_sft): Add size and offset argument, set SFT_OFFSET and
4227 SFT_SIZE.
4228 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4229 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4230 * tree-flow-inline.h (get_subvar_at): Update for
4231 SFT_OFFSET/SFT_SIZE.
4232 (var_can_have_subvars): Ditto.
4233 (overlap_subvar): Ditto.
4234 * print-tree.c (print_node): Print out interesting things for
4235 SFT's.
4236 * tree-flow.h (struct subvar): Remove offset and size members.
4237 * tree-ssa-operands.c (get_expr_operands): Update for
4238 get_indirect_ref_operands changes.
4239 (get_indirect_ref_operands): Call add_virtual_operand instead of
4240 add_stmt_operand. Only recurse on base var if requested.
4241 (access_can_touch_variable): New function.
4242 (add_stmt_operand): Split virtual operand handling into ...
4243 (add_virtual_operand): Here. Add offset, size, and for_clobber
4244 arguments. Prune alias sets.
4245 (add_call_clobber_ops): Call add_virtual_operand.
4247 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4249 PR middle-end/26300
4250 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4252 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4253 than TREE_CODE as index into omp_clause_num_ops array.
4255 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4257 PR rtl-optimization/26184
4258 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4259 uses_of_defs.
4260 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4261 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4262 must_precede, must_follow and tobe_scheduled.
4264 PR other/26147
4265 * opts.c (common_handle_option): Free new_option pointer.
4266 * df-core.c (df_analyze): Free postorder pointer.
4268 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4270 * Makefile.in: Fix the examples about the use of stamps
4272 2006-02-15 Michael Matz <matz@suse.de>
4274 PR middle-end/22275
4276 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4277 influenced by maximum_field_alignment or DECL_PACKED.
4278 (update_alignment_for_field): Ditto.
4279 (place_field): Ditto.
4280 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4281 this behaviour.
4283 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4285 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4286 (debug_flow_info): Pass it.
4287 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4288 * bb-reorder.c (reorder_basic_blocks): Likewise.
4289 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4290 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4291 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4292 * gcse.c (gcse_main, bypass_jumps): Likewise.
4293 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4294 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4295 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4296 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4297 * rtl.h (dump_flow_info): Adjust prototype.
4298 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4299 * var-tracking.c (variable_tracking_main): Likewise.
4300 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4301 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4302 options.
4304 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4306 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4307 construction.
4309 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4311 PR tree-optimization/26209
4312 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4313 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4314 eh edges.
4315 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4317 2006-02-14 Roger Sayle <roger@eyesopen.com>
4319 PR middle-end/23670
4320 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4321 (X,Y) and the corresponding symmetry related transformations.
4322 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4323 (X,Y) and its symmetry related transformations.
4325 2006-02-14 Roger Sayle <roger@eyesopen.com>
4327 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4328 and GEU.
4330 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4332 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4334 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4336 PR bootstrap/26053
4337 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4338 support COMDAT group.
4339 * configure: Regenerate.
4341 2006-02-14 Roger Sayle <roger@eyesopen.com>
4343 PR middle-end/26279
4344 PR middle-end/26280
4345 PR middle-end/26283
4346 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4348 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4350 Fix PR tree-optimization/26260
4352 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4353 param.
4354 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4355 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4356 * tree-ssa-structalias.c (create_variable_info_for): Use
4357 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4359 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4361 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4362 Document.
4363 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4364 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4365 of the ending condition.
4366 * tree-ssa-loop-manip.c: Include params.h.
4367 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4368 tree_unroll_loop): New functions.
4369 * tree-pass.h (pass_loop_prefetch): Declare.
4370 * loop.c (rest_of_handle_loop_optimize): Test for
4371 -fprefetch-loop-arrays-rtl.
4372 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4373 * timevar.def (TV_TREE_PREFETCH): New timevar.
4374 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4375 pass_loop_prefetch): New.
4376 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4377 (cleanup_tree_cfg_loop): Call scev_reset.
4378 * common.opt (fprefetch-loop-arrays-rtl): Add.
4379 * tree-ssa-loop-prefetch.c: New file.
4380 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4381 (new_temp_expr_table): Initialize expr_vars.
4382 (free_temp_expr_table): Cleanup expr_vars.
4383 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4384 expressions from being merged into one.
4385 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4386 (struct tree_niter_desc): Add control, bound and cmp fields.
4387 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4388 Declare.
4389 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4390 (tree-cfgcleanup.o): Add SCEV_H dependency.
4391 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4392 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4394 2006-02-14 Richard Guenther <rguenther@suse.de>
4396 PR tree-optimization/26258
4397 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4398 in PHI argument processing.
4400 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4402 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4403 new expression in the requested machine mode.
4405 2006-02-13 Roger Sayle <roger@eyesopen.com>
4407 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4408 directly, instead let do_compare_rtx_and_jump handle this for us.
4409 * expr.c (expand_expr_real_1): Likewise.
4410 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4411 before do_jump_by_parts_greater.
4412 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4413 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4415 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4417 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4419 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4421 PR rtl-optimization/26235
4422 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4423 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4424 format.
4426 2006-02-13 Jeff Law <law@redhat.com>
4428 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4429 TRUTH_XOR_EPR.
4431 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4433 PR middle-end/26092
4434 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4435 twice if decl is a builtin. When trying again, call get_callee_fndecl
4436 first to verify it is still a builtin.
4438 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4440 * dwarf2out.c (base_type_die): Don't add AT_name here.
4441 (subrange_type_die): Don't add AT_name here.
4442 (modified_type_die): Rearrange code flow. Do add AT_name here.
4444 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4446 PR rtl-optimization/26247
4447 PR rtl-optimization/26248
4448 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4450 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4452 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4453 * config/fixtfdi.c: Likewise.
4454 * config/fixunstfdi.c: Likewise.
4455 * config/floatditf.c: Likewise.
4457 2006-02-13 Roger Sayle <roger@eyesopen.com>
4459 PR middle-end/24427
4460 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4461 into (X,C2) if C1 is a subset of the bits of C2. Transform
4462 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4463 (X&(C1&~C2))|C2.
4464 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4466 2006-02-13 Josh Conner <jconner@apple.com>
4468 PR target/25376
4469 * varasm.c (function_section): Check for section name before
4470 calling select_section on targets that define
4471 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4472 unlikely_text_section instead of hot_function_section if
4473 first_function_block_is_cold.
4475 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4477 PR middle-end/25335
4478 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4480 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4482 PR rtl-optimization/26222
4483 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4484 after tree->rtl expansion.
4485 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4486 before passing it to emit_move_insn.
4488 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4490 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4491 default.
4492 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4493 Clarify documentation.
4494 * c-common.h (warn_write_strings): Remove.
4495 * c-common.c (warn_write_strings): Likewise.
4496 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4497 default for C++.
4499 2006-02-12 Roger Sayle <roger@eyesopen.com>
4501 PR middle-end/25724
4502 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4503 (do_jump_parts_zero_rtx): New function renamed from
4504 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4505 (do_jump_parts_equality_rtx): New function split out from
4506 do_jump_parts_equality. Old implementation renamed as above.
4507 Call do_jump_parts_zero_rtx if either operand is zero.
4508 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4509 do all of the heavy lifting.
4510 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4511 calling either do_jump_by_parts_greater_rtx or
4512 do_jump_by_parts_equality_rtx.
4513 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4514 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4515 moved to do_compare_rtx_and_jump, call it directly.
4516 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4517 mode argument. Call do_compare_rtx_and_jump.
4518 (emit_case_nodes): Update calls to do_jump_if_equal.
4520 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4522 PR rtl-optimization/26225
4523 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4525 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4527 PR rtl-optimization/26232
4528 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4530 2006-02-11 Jason Merrill <jason@redhat.com>
4532 PR tree-opt/24365
4533 * tree-inline.c (declare_return_variable): Just don't use the
4534 modify target if it's a gimple complex reg and the return slot
4535 isn't.
4537 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4539 * doc/contrib.texi: Update my entry.
4541 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4543 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4545 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4547 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4548 expensive.
4550 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4552 * doc/invoke.texi (-floop-optimize2): Removed.
4553 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4554 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4555 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4556 * common.opt (floop-optimize2): Removed.
4557 (fmove-loop-invariants): Enabled by default.
4559 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4561 * tree-if-conv.c (combine_blocks): Free the result of
4562 get_loop_exit_edges.
4564 2006-02-10 Jeff Law <law@redhat.com>
4566 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4568 PR tree-optimization/26213
4569 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4570 loop trying to follow SSA_NAME_VALUE chains.
4572 2006-02-10 Richard Guenther <rguenther@suse.de>
4574 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4575 deal with structures that end in implicitly variable sized arrays.
4577 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4579 PR rtl-optimization/24762
4580 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4581 eh edges.
4583 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4585 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4586 (struct ivopts_data): Add regs_used field.
4587 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4588 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4589 instead of loop_data->regs_used;
4590 (free_loop_data): Do not free aux fields for loops.
4591 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4592 and tree_ssa_iv_optimize_finalize.
4594 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4596 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4598 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4600 PR target/26141
4601 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4602 computing the effective result type.
4604 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4606 PR inline-asm/16194
4607 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4608 (tree_overlaps_hard_reg_set): Declare.
4609 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4610 type and signature to match function type expected by walk_tree.
4611 (tree_overlaps_hard_reg_set): New function.
4612 (decl_conflicts_with_clobbers_p): Rename to:
4613 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4614 Use tree_overlaps_hard_reg_set. Changed caller.
4615 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4616 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4617 * cris.c (cris_md_asm_clobbers): Likewise.
4619 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4621 * reload1.c (emit_input_reload_insns): Delete code that tries to
4622 inherit using find_equiv_reg.
4624 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4626 * c-common.h (flag_const_strings): Don't declare.
4627 * c-common.c (flag_const_strings): Remove.
4628 * c.opt (fconst_strings): Remove.
4629 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4630 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4631 (c_common_init_options): Don't set flag_const_strings.
4632 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4634 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4636 * arm.md (tlobits_cbranch): New pattern.
4637 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4638 testing a single bit.
4640 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4642 PR tree-opt/26179
4643 * tree-ssa-pre.c (create_component_ref_by_pieces):
4644 Handle RETURN_DECL like VAR_DECL.
4646 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4648 PR middle-end/26134
4649 * fold-const.c (fold_indirect_ref_1): Fold
4650 "*(foo *)&complexfoo" to "__real__ complexfoo"
4651 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4653 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4655 * tree-flow-inline.h (var_can_have_subvars):
4656 Volatile variables should not have subvariables.
4658 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4660 PR 26180
4661 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4662 multiplying unsigned values.
4663 Tidy comments.
4665 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4667 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4669 2006-02-08 Jason Merrill <jason@redhat.com>
4671 PR c++/25979
4672 * tree.def: Elaborate on difference from MODIFY_EXPR.
4673 * doc/c-tree.texi (INIT_EXPR): Likewise.
4674 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4675 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4676 (gimplify_target_expr): Likewise.
4677 (gimplify_cond_expr): Remove target handling.
4678 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4679 (gimplify_expr): Clobber it here.
4680 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4681 Do return slot optimization if we have an INIT_EXPR.
4683 PR tree-opt/24365
4684 * tree-inline.c (declare_return_variable): Also clear
4685 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4687 PR c++/16405
4688 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4690 PR middle-end/22439
4691 * gimplify.c (gimplify_one_sizepos): Fix typo.
4693 2006-02-08 Jeff Law <law@redhat.com>
4695 PR tree-optimization/21417
4696 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4697 across a backedge if the control statement at the end of the
4698 block is data dependent on other statements in the same block.
4699 (record_temporary_equivalences_from_stmts): Remove over-conservative
4700 test for threading across backedges.
4702 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4703 control statement, handle all three special cases in the same
4704 manner as they all have the same desired solution. No longer
4705 special case edge flag updating when the post dominator is
4706 the exit block.
4708 2006-02-08 Roger Sayle <roger@eyesopen.com>
4710 * tree.def (CHAR_TYPE): Remove.
4711 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4712 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4713 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4714 (gen_string_type_die): Delete unreachable function.
4716 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4717 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4718 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4719 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4720 * builtins.c (type_to_class): Likewise.
4721 * fold-const.c (fold_convert, build_range_check,
4722 merge_ranges): Likewise.
4723 * expr.c (count_type_elements): Likewise.
4724 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4725 * stor-layout.c (layout_type): Likewise.
4726 * ipa-type-escape.c (type_to_consider): Likewise.
4727 * gimplify.c (omp_firstprivatize_type_sizes,
4728 gimplify_type_sizes): Likewise.
4729 * explow.c (promote_mode): Likewise.
4730 * tree-sra.c (is_sra_scalar_type): Likewise.
4731 * varasm.c (output_constant): Likewise.
4732 * tree-inline.c (remap_type_1): Likewise.
4733 * convert.c (convert_to_pointer, convert_to_real,
4734 convert_to_integer, convert_to_complex): Likewise.
4736 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4738 * df-scan.c (df_def_record_1): A set destination may
4739 be a parallel regardless of mode.
4741 2006-02-08 Roger Sayle <roger@eyesopen.com>
4743 PR target/22209
4744 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4745 * config/mips/_tilib.c: Remove.
4746 * config/fixtfdi.c: New libgcc source file.
4747 * config/fixunstfdi.c: New source file.
4748 * config/floatditf.c: New source file.
4749 * config/floatunditf.c: New souce file.
4750 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4751 files above instead of config/mips/_tilib.c.
4752 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4754 2006-02-08 Jeff Law <law@redhat.com>
4756 PR tree-optimization/26169
4757 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4758 threading jumps.
4760 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4762 * df.h (DF_REG_SIZE): Return the length of the initialized
4763 part of the array.
4765 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4767 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4768 __muldf3): Return a correctly signed zero.
4770 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4772 * passes.c (register_one_dump_file): Accept the current properties
4773 instead of pass number. Adjust call to dump_register. Remove
4774 duplicated code.
4775 (register_dump_files): Now a wrapper around...
4776 (register_dump_files_1): ... this one. Do not modify the pass
4777 structure.
4778 (next_pass_1): Cosmetic fix.
4779 (execute_todo): Keep second parameter only. Use curr_properties
4780 instead of fetching it from the pass structure. Check and set
4781 last_verified.
4782 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4783 instead of fetching it from the pass structure. Fix calls to
4784 execute_todo. Update curr_properties and initialize .vcg RTL dump
4785 after running the pass. Reset last_verified.
4786 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4787 at the beginning.
4788 (FIRST_AUTO_NUMBERED_DUMP): New.
4789 (dump_register): Remove "num" parameter, assign it within the
4790 function.
4791 (get_dump_file_name): Modify template for dumps.
4792 * tree-dump.h (dump_register): Adjust prototype.
4793 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4794 (PROP_trees): Add PROP_gimple_lomp.
4795 (TODO_set_props): New.
4796 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4797 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4798 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4800 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4802 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4803 (sparc64-*-linux*): Likewise.
4804 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4805 * config/sparc/t-linux: New file.
4806 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4807 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4808 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4809 -m32 -mlong-double-128.
4811 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4812 * config/alpha/t-linux: New file.
4813 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4815 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4816 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4817 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4818 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4819 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4820 (CPP_ARCH32_SPEC): Remove.
4822 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4824 PR tree-optimization/26145
4825 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4826 bbs pointer.
4828 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4830 PR target/26109
4831 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4832 >= 240000 when generating code for SOM runtime.
4833 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4834 to $$dyncall when generating code for SOM runtime..
4836 2006-02-07 Dirk Mueller <dmueller@suse.com>
4838 PR c++/18150
4839 * doc/invoke.texi (-Wsequence-point): Update documentation
4840 that -Wsequence-point is implemented for C++ as well.
4842 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4844 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4845 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4846 (LIB_SPEC): Likewise.
4847 * doc/invoke.texi (SPARC options): Document -pthread.
4849 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4851 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4852 PIC addresses.
4854 2006-02-07 Roger Sayle <roger@eyesopen.com>
4856 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4857 Correct comment describing BOOLEAN_TYPE.
4859 2006-02-07 Dirk Mueller <dmueller@suse.com>
4861 * c.opt: C++ frontend supports -Wdiv-by-zero.
4862 * c-opts.c (c_common_handle_option): Remove dead case.
4864 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4866 * configure.ac (TLS assembler check): Do not enable TLS by
4867 default on SPARC/Solaris before version 10.
4868 * configure: Regenerate.
4870 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4872 * doc/invoke.texi (xl-compat): Document conversion and support
4873 routine names.
4875 2006-02-07 Jeff Law <law@redhat.com>
4877 * tree-vrp.c (find_conditional_asserts): Update comments.
4878 (simplify_stmt_for_jump_threading): New.
4879 (identify_jump_threads, finalize_jump_threads): New.
4880 (vrp_finalize): Call identify_jump_threads.
4881 (execute_vrp): Call finalize_jump_threads.
4882 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4883 (vrp_element, vrp_data, vrp_element_p): Remove.
4884 (vrp_hash_elt, vrp_variables_stack): Remove.
4885 (vrp_hash, vrp_eq, record_range): Remove.
4886 (simplify_cond_and_lookup_avail_expr): Remove.
4887 (extract_range_from_cond): Remove.
4888 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4889 (simplify_stmt_for_jump_threading): New.
4890 (dom_thread_across_edge): New wrapper.
4891 (tree_ssa_dominator_optimize): No longer initialize or
4892 finalize any of the VRP datastructures. Remove iteration
4893 step and simplify as a result of removal of iteration step.
4894 (pass_dominator): Perform a cfg cleanup after DOM.
4895 (dom_opt_finalize_block): Use the new common routines
4896 for threading jumps. Simplify stack management slightly.
4897 No longer need to unwind VRP state.
4898 (record_equivalences_from_incoming_edge): No longer record
4899 VRP information.
4900 (eliminate_redundant_computations): No longer call
4901 simplify_cond_and_lookup_avail_expr.
4902 * tree-flow.h (potentially_threadable_block): Prototype.
4903 (thread_across_edge): Likewise.
4904 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4905 (tree-ssa-threadedge.o): Add dependencies.
4906 * tree-ssa-threadedge.c: New file.
4907 * passes.c (init_optimization_passes): Merge PHIs before
4908 calling VRP. Run VRP again late in the SSA optimization pipeline.
4910 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4912 * df-core.c (df_set_blocks): Do not dereference function pointers.
4913 (df_finish1): Likewise.
4914 (df_hybrid_search_forward): Likewise.
4915 (df_hybrid_search_backward): Likewise.
4916 (df_iterative_dataflow): Likewise.
4917 (df_analyze_problem): Likewise.
4918 (df_compact_blocks): Likewise.
4919 (df_dump): Likewise.
4920 * df-scan.c (df_rescan_blocks): Likewise.
4921 (df_record_entry_block_defs): Likewise.
4923 * genconditions.c (write_conditions): Guard the definition of
4924 'insn_conditions' with the check on GCC version.
4925 (write_writer): Guard the traversal 'insn_conditions' with
4926 the check on GCC version.
4928 2006-02-07 Richard Guenther <rguenther@suse.de>
4930 PR c++/26140
4931 Revert
4932 2006-01-30 Richard Guenther <rguenther@suse.de>
4933 PR c++/23372
4934 * gimplify.c (gimplify_target_expr): Handle easy cases
4935 without creating a temporary.
4937 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4939 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4940 use of float in probability computations. Use edge probabilities
4941 in place of statically computed probabilities.
4942 (min_spec_prob): New static variable.
4943 (schedule_insns): Initialize it.
4944 (GET_SRC_PROB): Removed.
4945 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4947 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4949 PR debug/24444
4950 * config/ia64/unwind-ia64.c: Revert last change.
4951 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4952 (INCOMING_FRAME_SP_OFFSET): Define.
4954 2006-02-06 Roger Sayle <roger@eyesopen.com>
4956 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4958 2006-02-07 Ben Elliston <bje@au.ibm.com>
4960 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4961 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4962 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4963 (ix86_return_in_memory): Handle TDmode.
4964 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4965 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4967 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4969 * reorg.c (dbr_schedule): Use dump_file instead of file.
4971 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4973 PR target/25917
4974 * config/ia64/predicates.md (extr_len_operand): New predicate.
4975 * config/ia64/ia64.md (extv): Tighten constraints.
4976 (extzv): Ditto.
4977 (*tbit_and_2): Ditto.
4978 (*tbit_and_3): Ditto.
4979 (*tbit_or_2): Ditto.
4980 (*tbit_or_3): Ditto.
4981 (*bit_zero): Ditto.
4982 (*bit_one): Ditto.
4984 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4986 PR target/23359
4987 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4989 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4991 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4992 loop_optimizer_init and loop_optimizer_finalize
4993 * tree-ssa-sink.c (execute_sink_code): Ditto.
4994 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4995 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4996 tree_ssa_loop_done): Ditto.
4997 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4998 * sched-ebb.c: Include output.h.
4999 (schedule_ebbs): Do not use dump argument.
5000 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5001 * loop.c (loop_dump_stream): Removed.
5002 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5003 argument.
5004 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5005 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5006 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5007 loop_iterations, strength_reduce, record_biv, record_giv,
5008 final_giv_value, check_final_value, check_ext_dependent_givs,
5009 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5010 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5011 dump_file instead of loop_dump_stream.
5012 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5013 argument dump_file.
5014 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5015 dump argument.
5016 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5017 * haifa-sched.c: Include output.h
5018 (schedule_insns, sched_init): Do not use dump argument.
5019 * mode-switching.c (optimize_mode_switching): Ditto.
5020 * modulo-sched.c (stats_file): Removed.
5021 (print_node_sched_params): Do not call argument dump_file.
5022 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5023 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5024 of stats_file.
5025 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5026 use dump argument.
5027 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5028 rtl_loop_init, rtl_loop_done): Ditto.
5029 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5030 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5031 Ditto.
5032 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5033 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5034 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5035 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5036 * emit-rtl.c (renumber_insns): Ditto.
5037 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5038 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5039 * regclass.c (regclass): Ditto.
5040 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5041 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5042 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5043 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5044 Ditto.
5045 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5046 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5047 to regclass.
5048 * gcse.c (gcse_file, debug_stderr): Removed.
5049 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5050 rest_of_handle_gcse): Do not use dump argument.
5051 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5052 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5053 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5054 compute_code_hoist_vbeinout, compute_code_hoist_data,
5055 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5056 compute_store_table, build_store_vectors, insert_insn_start_bb,
5057 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5058 store_motion): Use dump_file instead of gcse_file.
5059 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5060 * profile.c (profile_dump_file): Removed.
5061 (branch_prob): Use dump_file instead of profile_dump_file.
5062 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5063 dump_file.
5064 * tree-ssa-copy.c (dump_copy_of): Ditto.
5065 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5066 dump file to life_analysis.
5067 * bt-load.c (branch_target_load_optimize): Ditto.
5068 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5069 renumber_insns.
5070 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5071 regclass, dbr_schedule): Declaration changed.
5072 * sched-int.h (sched_init): Declaration changed.
5073 * tree-profile.c (tree_profile_dump_file): Removed.
5074 (tree_profile_hooks): Removed profile_dump_file hook.
5075 * rtl-profile (rtl_profile_dump_file): Removed.
5076 (rtl_profile_hooks): emoved profile_dump_file hook.
5077 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5078 changed.
5079 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5080 * tree-cfg.c (build_tree_cfg): Ditto.
5081 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5082 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5083 Declaration changed.
5084 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5085 life_analysis and schedule_insns.
5086 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5087 life_analysis.
5088 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5089 dbr_schedule.
5090 * config/mips/mips.c (mips_reorg): Ditto.
5091 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5092 schedule_ebbs.
5094 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5096 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5097 (s390_mangle_fundamental_type): New.
5098 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5099 Define.
5101 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5102 (alpha_mangle_fundamental_type): New.
5103 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5104 Define.
5106 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5107 Define.
5108 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5109 Define.
5110 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5111 (sparc_mangle_fundamental_type): New.
5113 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5115 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5116 (s390x-*-linux*): Likewise.
5117 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5118 * config/s390/t-linux: New file.
5120 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5122 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5123 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5125 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5127 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5128 (ANTIC_SAFE_LOADS): New macro.
5129 (find_or_generate_expression): Add prototype.
5130 (set_contains_value): Allow null set for sake of not always having
5131 to allocate ANTIC_SAFE_LOADS.
5132 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5133 Allow COMPONENT_REF too.
5134 (valid_in_set): Allow COMPONENT_REF.
5135 Check ANTIC_SAFE_LOADS too.
5136 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5137 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5138 rename.
5139 (can_PRE_operation): Add COMPONENT_REF.
5140 (create_component_ref_by_pieces): New function.
5141 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5142 (insert_aux): Move AGGREGATE_TYPE_P check here.
5143 (compute_avail): Set bb local stmt uids.
5144 (pass_pre): Use TODO_update_ssa_only_virtuals.
5146 2006-02-06 Ben Elliston <bje@au.ibm.com>
5148 * configure.ac: Unconditionally disable decimal float by default.
5149 * configure: Regenerate.
5151 2006-02-06 Ben Elliston <bje@au.ibm.com>
5153 * read-rtl.c (read_name): Terminate reading on EOF.
5155 2006-02-06 Ben Elliston <bje@au.ibm.com>
5157 * dfp.c (decimal_real_arithmetic): Change second argument type
5158 from int to enum tree_code. Do not always return true, but now
5159 return result of any call to decimal_do helper functions.
5160 * dfp.h (decimal_real_arithmetic): Update prototype.
5162 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5164 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5166 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5168 PR tree-opt/25251
5169 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5170 forced labels.
5172 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5174 * tree-vrp.c (cfg_loops): Removed.
5175 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5176 Use current_loops instead of cfg_loops. Pass flags to
5177 loop_optimizer_init.
5178 * cfgloopmanip.c (fix_loop_structure): Update only available
5179 information.
5180 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5181 loop_optimizer_init.
5182 * modulo-sched.c (build_loops_structure): Removed.
5183 (sms_schedule): Use loop_optimizer_init.
5184 * loop-init.c (loop_optimizer_init): Use flags to determine
5185 which properties of loops to prepare.
5186 (rtl_loop_init): Pass flags to loop_optimizer_init.
5187 * tree-ssa-sink.c (execute_sink_code): Ditto.
5188 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5189 * tree-ssa-pre.c (init_pre): Ditto.
5190 * cfgloop.h (LOOPS_NORMAL): New.
5191 (loop_optimizer_init): Declaration changed.
5193 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5195 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5196 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5197 pa/t-pa.
5198 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5199 pa/t-pa.
5200 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5201 pa/x-ada.
5202 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5203 * pa/t-pa64: Delete quadlib.c rule.
5204 * pa/x-ada: Revert last change.
5205 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5207 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5209 PR rtl-optimization/26087
5210 * rtlanal.c (canonicalize_condition): Do not cross basic block
5211 boundaries.
5213 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5215 PR debug/24444
5216 * config/ia64/ia64.c: Include debug.h.
5217 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5218 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5219 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5220 (process_epilogue, process_set, process_for_unwind_directive):
5221 Output unwind info only if requested. Add CFA info if requested.
5222 Add new arguments as needed. Adjust callers.
5223 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5224 incorrect default.
5225 (DWARF2_FRAME_INFO): Define to zero.
5226 * config/ia64/unwind-ia64.c: Remove code that compensated for
5227 the CFA offset error fixed above.
5228 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5229 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5230 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5231 -funwind-tables and -fexceptions to enable frame info.
5232 (dwarf2out_frame_init): Define initial CFA even if
5233 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5234 DWARF2_UNWIND_INFO is nonzero, not just defined.
5235 (dwarf2out_frame_finish): Output non-EH call frame info only
5236 if DWARF2_FRAME_INFO is nonzero.
5237 (convert_cfa_to_loc_list,
5238 compute_frame_pointer_to_cfa_displacement): Define even if
5239 unwind info is not supported.
5240 (gen_subprogram_die): Use the above unconditionally. Remove
5241 legacy alternate code.
5242 * toplev.c (compile_file): Compile in call to
5243 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5244 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5246 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5247 Jakub Jelinek <jakub@redhat.com>
5249 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5250 IBM extended float format long double as "g" on powerpc*-linux.
5252 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5254 PR target/25926
5255 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5256 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5258 2006-02-03 Jason Merrill <jason@redhat.com>
5260 PR c++/25979
5261 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5263 PR middle-end/25977
5264 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5265 on the return slot if it's an NRV.
5267 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5269 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5270 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5271 rewrite_use): Do not handle USE_OUTER.
5272 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5273 add_iv_outer_candidates, may_replace_final_value,
5274 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5275 (find_interesting_uses_op): Functionality of
5276 find_interesting_uses_outer_or_nonlin moved here.
5277 (find_interesting_uses_outside): Use find_interesting_uses_op.
5279 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5281 PR target/25960
5282 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5284 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5285 Ulrich Weigand <uweigand@de.ibm.com>
5287 PR target/25864
5288 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5289 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5290 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5291 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5292 and dxr fields.
5293 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5294 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5295 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5296 Define secondary reloads for TFmode moves.
5297 (constant_modes): Add TFmode.
5298 (NR_C_MODES): Set to 8.
5299 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5300 builtin define.
5301 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5302 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5303 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5304 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5305 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5306 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5307 (FPR mode macro): Add TFmode.
5308 (DSF mode macro): New.
5309 (<de>, <dee> mode attributes): Removed.
5310 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5311 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5312 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5313 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5314 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5315 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5316 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5317 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5318 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5319 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5320 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5321 "*negabs<mode>2", "sqrt<mode>2"):
5322 Changed <de> to <xde>. R constraint replaced by <Rf>.
5323 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5324 <Rf>.
5325 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5326 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5327 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5328 splitters.
5329 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5330 "extenddftf2", "extendsftf2"): New expanders.
5331 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5332 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5333 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5334 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5335 New options.
5336 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5337 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5338 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5339 __floatditf): Add a GCC_4.1.0 symbol version tag.
5340 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5341 the new options.
5343 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5345 PR target/25377
5346 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5347 Use targetm.binds_local_p instead of TREE_PUBLIC.
5349 2006-02-02 Roger Sayle <roger@eyesopen.com>
5351 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5352 on INTEGER_TYPEs to indicate that it denotes a character type.
5353 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5354 signed_char_type_node, unsigned_char_type_node and char_type_node.
5355 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5356 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5357 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5359 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5360 Daniel Berlin <dberlin@dberlin.org>
5362 * tree-tailcall.c (arg_needs_copy_p): New function.
5363 (eliminate_tail_call): Use arg_needs_copy_p.
5364 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5365 (add_virtual_phis): New function.
5367 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5369 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5370 #ignore instead of #scratch for %g7 .register directive.
5372 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5374 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5375 object files.
5377 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5379 * flow.c (calculate_global_regs_live): Assert that there aren't any
5380 EDGE_FAKE edges.
5382 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5384 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5385 what its name says.
5386 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5387 bsi_after_labels iterator.
5388 * tree-if-conv.c (find_phi_replacement_condition,
5389 replace_phi_with_cond_modify_expr): Likewise.
5390 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5391 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5393 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5395 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5397 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5399 PR 25990
5400 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5401 array after growing it.
5403 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5405 PR middle-end/24901
5406 * fold-const.c (fold_checksum_tree): Change type of buf.
5408 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5410 * reload.c (push_secondary_reload): Initialize t_icode.
5412 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5414 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5415 -msoft-float -mlong-double-128 only issue a warning, but don't
5416 swich to DFmode long double.
5418 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5420 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5421 has a constant equivalent, iterate over equivalents for arg0,
5422 calling simplify_relational_operation and if there's a result
5423 cheaper than X, apply fold_rtx and return the result.
5425 2006-02-01 Jan Hubicka <jh@suse.cz>
5427 * opts.c (no_unit_at_a_time_default): New global variable.
5428 (decode_options): Use it.
5429 * opts.h (no_unit_at_a_time_default): Declare.
5431 2006-02-01 Paul Brook <paul@codesourcery.com>
5433 * function.c (assign_parm_setup_reg): Use function argument promotion
5434 rules.
5435 * expr.c (expand_expr_real_1): Use function argument promotion rules
5436 for PARM_DECLs.
5438 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5440 * gcc.c (process_command): Change j to 'unsigned int'.
5442 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5444 PR middle-end/26001
5445 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5446 Use the corrected index for the character
5447 out of the string constant.
5449 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5451 * mode-switching.c (optimize_mode_switching): Fix size
5452 allocated for bb_info[n_entities].
5454 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5456 * gcc.c (main): Correct type that is allocated for
5457 explicit_link_files.
5459 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5461 * config/s390/s390.c (init_alignment_context): Set
5462 ALIAS_SET_MEMORY_BARRIER on the MEM.
5463 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5465 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5467 PR middle-end/25933
5468 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5469 dom_bbs pointer.
5470 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5471 call to tpa_init.
5473 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5475 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5476 * regrename.c: Ditto.
5477 * tree-ssa-loop-im.c: Ditto.
5478 * tree-dump.c: Ditto.
5479 * tree-complex.c: Ditto.
5480 * genrecog.c: Ditto.
5481 * tree-ssa-threadupdate.c: Ditto.
5482 * tracer.c: Ditto.
5483 * java/class.c: Ditto.
5484 * java/jcf-parse.c: Ditto.
5485 * java/resource.c: Ditto.
5486 * java/except.c: Ditto.
5487 * java/jvspec.c: Ditto.
5488 * java/jcf-write.c: Ditto.
5489 * java/jcf-path.c: Ditto.
5490 * java/gjavah.c: Ditto.
5491 * java/zextract.c: Ditto.
5492 * java/jcf-io.c: Ditto.
5493 * java/jcf.h: Ditto.
5494 * java/buffer.c: Ditto.
5495 * java/lang.c: Ditto.
5496 * java/parse-scan.y: Ditto.
5497 * java/lex.c: Ditto.
5498 * java/lex.h: Ditto.
5499 * cfgloopmanip.c: Ditto.
5500 * postreload-gcse.c: Ditto.
5501 * tree-ssa-loop-manip.c: Ditto.
5502 * postreload.c: Ditto.
5503 * tree-ssa-loop-ch.c: Ditto.
5504 * loop.c: Ditto.
5505 * ipa-cp.c: Ditto.
5506 * cppspec.c: Ditto.
5507 * diagnostic.c: Ditto.
5508 * final.c: Ditto.
5509 * genoutput.c: Ditto.
5510 * gcc.c: Ditto.
5511 * cfghooks.c: Ditto.
5512 * cfgloopanal.c: Ditto.
5513 * objc/objc-act.c: Ditto.
5514 * gcov.c: Ditto.
5515 * genextract.c: Ditto.
5516 * genautomata.c: Ditto.
5517 * pretty-print.c: Ditto.
5518 * genemit.c: Ditto.
5519 * cgraphunit.c: Ditto.
5520 * flow.c: Ditto.
5521 * df-scan.c: Ditto.
5522 * haifa-sched.c: Ditto.
5523 * dominance.c: Ditto.
5524 * dbxout.c: Ditto.
5525 * tree-ssa-loop-ivopts.c: Ditto.
5526 * df-core.c: Ditto.
5527 * mode-switching.c: Ditto.
5528 * modulo-sched.c: Ditto.
5529 * graph.c: Ditto.
5530 * ipa-pure-const.c: Ditto.
5531 * cse.c: Ditto.
5532 * fix-header.c: Ditto.
5533 * web.c: Ditto.
5534 * tree-stdarg.c: Ditto.
5535 * ipa-utils.c: Ditto.
5536 * loop-init.c: Ditto.
5537 * ipa-inline.c: Ditto.
5538 * cfganal.c: Ditto.
5539 * global.c: Ditto.
5540 * alloc-pool.c: Ditto.
5541 * dwarf2out.c: Ditto.
5542 * opts.c: Ditto.
5543 * genattrtab.c: Ditto.
5544 * tree-ssa-loop-ivcanon.c: Ditto.
5545 * predict.c: Ditto.
5546 * timevar.c: Ditto.
5547 * lcm.c: Ditto.
5548 * fortran/gfortranspec.c: Ditto.
5549 * regmove.c: Ditto.
5550 * local-alloc.c: Ditto.
5551 * langhooks.c: Ditto.
5552 * function.c: Ditto.
5553 * tree-vectorizer.c: Ditto.
5554 * gcse.c: Ditto.
5555 * ipa-type-escape.c: Ditto.
5556 * alias.c: Ditto.
5557 * tree-if-conv.c: Ditto.
5558 * profile.c: Ditto.
5559 * ipa.c: Ditto.
5560 * tree-data-ref.c: Ditto.
5561 * loop-unroll.c: Ditto.
5562 * treelang/treetree.c: Ditto.
5563 * calls.c: Ditto.
5564 * bt-load.c: Ditto.
5565 * ggc-common.c: Ditto.
5566 * except.c: Ditto.
5567 * coverage.c: Ditto.
5568 * cselib.c: Ditto.
5569 * tree-cfgcleanup.c: Ditto.
5570 * tree-ssa-pre.c: Ditto.
5571 * cfgcleanup.c: Ditto.
5572 * loop-invariant.c: Ditto.
5573 * loop-iv.c: Ditto.
5574 * ipa-prop.c: Ditto.
5575 * print-tree.c: Ditto.
5576 * conflict.c: Ditto.
5577 * ggc-page.c: Ditto.
5578 * sched-deps.c: Ditto.
5579 * regclass.c: Ditto.
5580 * tree-object-size.c: Ditto.
5581 * combine.c: Ditto.
5582 * bb-reorder.c: Ditto.
5583 * resource.c: Ditto.
5584 * var-tracking.c: Ditto.
5585 * cfgloop.c: Ditto.
5586 * df-problems.c: Ditto.
5587 * reg-stack.c: Ditto.
5588 * tlink.c: Ditto.
5589 * gccspec.c: Ditto.
5590 * sched-rgn.c: Ditto.
5591 * tree-ssa-structalias.c: Ditto.
5592 * tree-ssa-reassoc.c: Ditto.
5593 * config/darwin-c.c: Ditto.
5594 * config/darwin.c: Ditto.
5595 * config/arm/arm.c: Ditto.
5596 * cfgrtl.c: Ditto.
5597 * collect2.c: Ditto.
5598 * reload1.c: Ditto.
5600 2006-01-31 Nicolas Pitre <nico@cam.org>
5602 * arm.md (smaxsi3): Make aware of smax_m1.
5603 (smax_m1): New.
5605 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5607 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5609 2006-01-31 Richard Guenther <rguenther@suse.de>
5611 * doc/invoke.texi (-msselibm): Document.
5612 * target.h (expand_library_builtin): New target hook.
5613 * builtins.c (expand_builtin): Use expand_library_builtin.
5614 (default_expand_library_builtin): New function.
5615 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5616 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5617 (link_gcc_math_spec): Declare.
5618 (static_specs): Add link_gcc_math_spec.
5619 * expr.h (default_expand_library_builtin): Declare.
5620 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5621 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5622 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5623 * config/i386/i386.opt (msselibm): New target option.
5624 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5625 (ix86_init_sse_abi_builtins): New function.
5626 (ix86_expand_library_builtin): Likewise.
5627 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5628 (override_options): Handle error conditions wrt -msselibm.
5629 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5630 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5631 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5632 builtins.
5634 2006-01-31 Richard Guenther <rguenther@suse.de>
5635 Paolo Bonzini <bonzini@gnu.org>
5637 * doc/install.texi (--disable-libgcc-math): Document.
5639 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5641 * expr.h (expand_normal): new inline function.
5642 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5643 * dojump.c: use it.
5644 * dwarf2out.c: use it.
5645 * expr.c: use it.
5646 * calls.c: use it.
5647 * expmed.c: use it.
5648 * except.c: use it.
5649 * config/sparc/sparc.c: use it.
5650 * config/i386/i386.c: use it.
5651 * config/rs6000/rs6000.c: use it.
5652 * config/arm/arm.c: use it.
5653 * config/mips/mips.c: use it.
5654 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5656 2006-01-30 Roger Sayle <roger@eyesopen.com>
5658 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5659 argv to the appropriate type.
5661 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5663 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5664 unreachable code.
5666 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5668 PR target/26018
5669 * config/s390/s390.c (struct machine_function): New flag
5670 decomposed_literal_pool_addresses_ok_p.
5671 (s390_reorg): Set it before final stage of literal pool transforms.
5672 (s390_decompose_address): Only accept displacements of the form
5673 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5675 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5677 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5678 the comparison routine return.
5680 2006-01-30 Michael Matz <matz@suse.de>
5682 * global.c (find_reg): Only evict for global regs.
5683 Take n_refs into account and dump more info.
5685 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5687 PR target/14798:
5688 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5689 (pragma_trap, pragma_nosave_low_regs): Likewise.
5690 (current_function_anonymous_args): Likewise.
5691 (sh_deferred_function_attributes): New variable.
5692 (sh_deferred_function_attributes_tail): Likewise.
5693 (print_operand): For '@', look up trap_exit attribute.
5694 (calc_live_regs): Look up trapa_handler attribute. For trapa
5695 handlers, save/restore fpscr, but don't do any other
5696 interrupt-specific saves.
5697 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5698 Fix check for partially saved registers to check for SHmedia.
5699 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5700 (sh_output_function_epilogue): Don't clear any of the removed
5701 variables.
5702 (sh_insert_attributes): Don't check pragma_interrupt.
5703 Insert deferred attributes. Check that interrupt attribute is
5704 present for other attributes that require its presence.
5705 (sh_attribute_table): Add new attributes trapa_handler and
5706 nosave_low_regs.
5707 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5708 Don't check for pragma_interrupt. Don't store argument.
5709 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5710 (sh_deferred_function_attributes): Declare.
5711 (sh_deferred_function_attributes_tail): Likewise.
5712 * sh.md (sp_switch_1): Add operand. Change generator caller.
5713 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5714 (*return_i): Don't use when trap_exit attribute is in effect.
5715 (*return_trapa): New insn pattern.
5716 * sh-c.c: New file.
5717 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5718 setting c_target_objs and cxx_target_objs.
5719 * t-sh: Add rule for sh-c.o.
5721 2006-01-30 Richard Guenther <rguenther@suse.de>
5723 PR c++/23372
5724 * gimplify.c (gimplify_target_expr): Handle easy cases
5725 without creating a temporary.
5727 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5729 * vec.h (safe_grow): Remove duplicated line.
5731 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5733 PR 25874
5734 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5735 (expand_omp): ... here.
5736 (expand_omp_parallel): Only remove barriers for combined
5737 parallel+workshare constructs.
5739 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5741 Revert
5743 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5744 * tree.c (build_qualified_type): Chain the new type to the original
5745 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5746 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5747 (build_pointer_type_for_mode): Only return unqualified types.
5748 (build_reference_type_for_mode): Likewise.
5750 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5752 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5753 * Makefile.in (CXX_COMPAT_WARN): Define.
5754 * configure: Regenerate.
5756 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5758 PR tree-opt/25911
5759 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5760 to an if check.
5762 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5764 * toplev.c: Fix thinko.
5766 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5767 Marcin Dalecki <martin@dalecki.de>
5769 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5770 (push_srcloc): Use XNEW.
5771 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5773 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5775 * df-core.c (df_set_blocks): Deleted all variable.
5777 2006-01-28 Ian Lance Taylor <ian@airs.com>
5779 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5780 cgraph_output_pending_asms.
5782 2006-01-28 Zack Weinberg <zackw@panix.com>
5784 * c.opt: Add -W(no-)overlength-strings.
5785 * doc/invoke.texi: Document it.
5786 * c-opts.c (c_common_handle_option): -pedantic implies
5787 -Woverlength-strings, if not explicitly disabled already.
5788 (c_common_post_options): -Woverlength-strings defaults to off, and
5789 is always off for C++.
5790 * c-common.c (fix_string_type): Issue warning about strings longer
5791 than is portable only if warn_overlength_strings. Rearrange code
5792 a little for clarity.
5793 * configure.in: Check for -Wno-overlength-strings as well before
5794 enabling -pedantic in stage 1.
5795 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5796 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5798 * genconditions.c (write_header, write_one_condition)
5799 (write_conditions, write_writer): Consolidate very long strings
5800 that were broken up to fit in C89 portable limit. Don't use
5801 printf when fputs will do.
5803 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5805 * combine.c (simplify_comparison <AND>): Check
5806 TRULY_NOOP_TRUNCATION before start using a subreg.
5808 * config/mips/mips.md (*branch_zero<mode>,
5809 *branch_zero<mode>_inverted, *branch_equality<mode>,
5810 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5811 Remove mode check from comparisons.
5813 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5815 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5817 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5819 * expmed.c (const_mult_add_overflow_p): Remove.
5820 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5822 * recog.c (validate_replace_rtx_subexp): Remove.
5823 * recog.h: Remove the prototype for
5824 validate_replace_rtx_subexp.
5826 * integrate.h: Remove the prototype for
5827 copy_decl_for_inlining.
5828 * rtl.h: Remove the prototype for mark_constant_function.
5829 * tree-vectorizer.h: Remove the prototype for
5830 vect_strip_conversion.
5832 * modulo-sched.c (create_partial_schedule,
5833 free_partial_schedule, reset_partial_schedule): Make them
5834 static.
5836 * hooks.c (hook_bool_rtx_int_false): Remove.
5837 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5839 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5841 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5842 and -mlong-double-128 are incompatible.
5843 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5844 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5845 (TARGET_LIBGCC2_CFLAGS): Define.
5846 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5847 (TARGET_LIBGCC2_CFLAGS): Same.
5848 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5850 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5852 PR c/19606.
5853 * c-typeck.c (build_binary_op): Perform implicit casts of
5854 operands before shortening them.
5856 * cfgloopmanip.c (split_loop_bb): Remove.
5857 * cfgloop.h: Remove the prototype for split_loop_bb.
5859 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5860 * cfgloop.h: Remove the prototype for
5861 flow_loop_outside_edge_p.
5863 * emit-rtl.c (init_virtual_regs): Make it static.
5864 * function.h: Remove the prototype for init_virtual_regs.
5866 * recog.c (peephole2_optimize): Make it static.
5867 * recog.h: Remove the prototype for peephole2_optimize.
5869 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5871 * df-scan.c (df_record_entry_block_defs): Check if
5872 INCOMING_RETURN_ADDR_RTX is defined.
5874 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5875 Kenneth Zadeck <zadeck@naturalbridge.com>
5877 PR rtl-optimization/24762
5878 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5879 * targhooks.c (hook_void_bitmap): New hook prototype.
5880 * targhoohs.h (hook_void_bitmap): Ditto.
5881 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5882 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5883 * target.h (live_on_entry): New function pointer.
5884 * df-scan.c (df_all_hard_regs): Removed.
5885 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5886 (df_scan_free_internal): Added df->entry_block_defs.
5887 (df_scan_alloc): Ditto.
5888 (df_scan_dump): Ditto.
5889 (df_uses_record): Plumbed flag field properly thru calls.
5890 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5891 This part fixes PR24762.
5892 (df_bb_refs_record): Added code to make the frame and arg
5893 pointers live in EH blocks.
5894 (df_refs_record): Added call to df_record_entry_block_defs.
5895 (df_record_entry_block_defs): New function.
5896 * df-core.c: Added comments to describe new artifical defs.
5897 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5898 (entry_block_defs): New field in struct df.
5899 (df_all_hard_regs): Deleted.
5900 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5901 * df-problems.c (df_ru_bb_local_compute_process_def):
5902 Added code to handle artifical defs in the entry to a function.
5903 (df_ru_bb_local_compute): Ditto.
5904 (df_rd_bb_local_compute_process_def): Ditto.
5905 (df_rd_bb_local_compute): Ditto.
5906 (df_lr_bb_local_compute): Ditto.
5907 (df_ur_bb_local_compute): Ditto.
5908 (df_urec_bb_local_compute): Ditto.
5909 (df_chain_create_bb): Ditto.
5910 (df_ur_local_finalize): Removed entry.
5911 (df_urec_init): Ditto.
5912 (df_urec_local_finalize): Ditto.
5913 (df_ri_bb_compute): Added detection of last use of pseudos.
5914 * Makefile.in (df-scan.o): Updated dependencies.
5915 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5916 * config/mips/mips.c (mips_set_live_on_entry): Added.
5917 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5918 for target hook.
5919 * dce.c (marked_insn_p): Added code to handle artifical defs.
5921 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5923 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5924 intrinsic.
5925 (_mm_cvtsi128_si64): Likewise.
5926 (_mm_cvtsd_si64): Likewise.
5927 (_mm_cvttsd_si64): Likewise.
5928 (_mm_cvtsi64_sd): Likewise.
5929 (_mm_cvtsi64_si128): Likewise.
5930 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5931 (_mm_cvtsi64_m64): Likewise.
5932 (_m_to_int64): Likewise.
5933 (_mm_cvtm64_si64): Likewise.
5934 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5935 (_mm_cvttss_si64): Likewise.
5936 (_mm_cvtsi64_ss): Likewise.
5937 (_mm_cvtss_f32): Likewise.
5939 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5941 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5942 for pragma redefine_extname.
5944 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5946 PR target/25864
5947 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5948 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5949 -mno-minimal-toc to previous content.
5950 (bispecs): Remove goal.
5951 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5952 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5953 compatibility aliases on powerpc-*-*gnu*.
5954 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5955 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5956 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5957 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5958 (ldblspecs): New goal.
5959 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5960 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5961 _df_to_tf.
5962 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5963 L_sf_to_tf or L_df_to_tf is defined.
5965 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5966 Alan Modra <amodra@bigpond.net.au>
5968 PR target/25864
5969 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5970 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5971 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5972 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5973 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5974 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5975 (rs6000_override_options): Initialize rs6000_ieeequad.
5976 Initialize TFmode format to ibm_extended_format if not
5977 TARGET_IEEEQUAD.
5978 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5979 ieeelongdouble.
5980 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5981 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5982 (function_arg_advance): IBM long double passed in two FPRs, not
5983 split.
5984 (function_arg): IBM long double passed in FPRs.
5985 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5986 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5987 Only multireg GPR aligned.
5988 (rs6000_init_libfuncs): Enable IBM long double functions if not
5989 IEEEQUAD.
5990 (rs6000_generate_compare): Use IBM long double compare if not
5991 TARGET_IEEEQUAD.
5992 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5993 (TARGET_IEEEQUAD): Define.
5994 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5995 not TARGET_IEEEQUAD.
5996 * config/rs6000/rs6000.md: Enable TFmode patterns if
5997 !TARGET_IEEEQUAD.
5998 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5999 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6000 and -mlong-double-128 are incompatible.
6001 * doc/invoke.texi (-mabi): Collect options together. Add
6002 ibmlongdouble and ieeelongdouble.
6004 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6006 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6007 opaque type.
6008 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6009 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6010 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6011 * rtl.h (rtunion_def): Remove rt_ptr.
6012 (X0PTR): Delete.
6013 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6014 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6015 * config/i386/winnt.c (i386_pe_mark_dllexport)
6016 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6018 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6020 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6022 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6024 PR other/24829
6025 PR target/24831
6026 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6027 pthread_key_delete. From John David Anglin. gthrw-ify
6028 pthread_getunique_np only if it it's not a macro. Delete
6029 UNUSED macro.
6030 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6031 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6032 __gthread_objc_condition_signal, __gthread_key_delete): Add
6033 "__attribute__ ((__unused__))" to unused arguments.
6034 (__gthread_recursive_mutex_init_function): Add missing return.
6035 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6036 gthr-posix95.h: Use macro-based approach for name redirection
6037 on targets missing weakref.
6039 2006-01-26 Zack Weinberg <zackw@panix.com>
6041 * genconditions.c (write_header): In generated code, #ifdef out
6042 all includes and fake declarations, except includes of bconfig.h
6043 and system.h, unless GCC_VERSION >= 3001. Do not include
6044 gensupport.h in any case.
6045 (write_conditions): Generate a definition of struct c_test. Add
6046 a comment to the generated #endif.
6047 (write_one_condition): Escape backslashes in string too.
6048 (write_writer): Generated code must escape backslashes and quote
6049 marks (but not newlines) in the strings it writes.
6050 * Makefile.in (build/gencondmd.o): Update dependencies.
6052 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6054 PR target/25961
6055 * Makefile.in (insn-automata.o): Add header file dependencies.
6056 * genautomata.c: Add includes.
6058 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6060 PR target/25961
6061 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6063 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6065 * configure.ac: Expect target tools paths to be passed from the toplevel
6066 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6067 AS_SET_VAR_IF.
6068 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6070 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6072 PR c/25892
6073 * c.opt (Wpointer-sign): Init to -1.
6074 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6075 OPT_pedantic, to 0 otherwise.
6076 * doc/invoke.texi: Update.
6078 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6080 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6081 constants provided by 80387 instructions in the destination mode.
6083 2006-01-26 Richard Guenther <rguenther@suse.de>
6084 Andrew Pinski <pinskia@physics.uc.edu>
6086 PR tree-opt/21470
6087 partial PR tree-opt/17064
6088 * tree-ssa-structalias.c (intra_create_variable_infos):
6089 Create heap variables for incoming parameters if
6090 flag_argument_noalias > 1.
6091 (find_what_p_points_to): Look through default defs of
6092 parameter decls.
6094 2006-01-26 Jeff Law <law@redhat.com>
6096 PR ada/25900
6097 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6098 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6099 within the VR_RANGE, use the VR_RANGE as the result, not the
6100 VR_ANTI_RANGE.
6101 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6102 bounds for the type.
6104 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6106 * tree-ssa-alias.c (maybe_create_global_var): Change
6107 subvar walking to an assertion that we don't have subvar'd variables.
6109 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6111 PR C/25861
6112 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6113 Use a new variable, inner. PARM_DECLs are always non-weak.
6115 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6117 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6118 --disable-checking.
6120 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6122 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6124 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6126 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6127 (smax_insn, smin_insn, smax_0, smin_0): New.
6129 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6131 PR target/25947
6132 * config/cris/cris.c (cris_order_for_addsi3): New function.
6133 * config/cris/cris-protos.h: Prototype it.
6134 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6135 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6136 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6137 (split for "op.S1 [rx=rx+i],ry (swapped)")
6138 (split for "op(s|u).S1 [rx=rx+i],ry")
6139 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6140 Apply cris_order_for_addsi3 when generating addsi3 insns.
6142 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6144 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6145 (TREE_BLOCK): Add call to EXPR_CHECK.
6147 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6149 PR 25886
6150 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6151 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6152 (dump_omp_clauses): ... here.
6153 (dump_generic_node): Handle OMP_CLAUSE.
6154 * tree.c (omp_clause_num_ops): New.
6155 (omp_clause_code_name): New.
6156 (tree_code_size): Handle OMP_CLAUSE.
6157 (tree_size): Likewise.
6158 (make_node): Document handling of OMP_CLAUSE.
6159 (tree_node_structure): Handle OMP_CLAUSE.
6160 (omp_clause_check_failed): New.
6161 (omp_clause_range_check_failed): New.
6162 (omp_clause_operand_check_failed): New.
6163 (build_omp_clause): New.
6164 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6165 * tree.h (enum omp_clause_code): Declare.
6166 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6167 (OMP_CLAUSE_RANGE_CHECK): Define.
6168 (OMP_CLAUSE_ELT_CHECK): Define.
6169 (omp_clause_check_failed): Declare.
6170 (omp_clause_operand_check_failed): Declare.
6171 (omp_clause_range_check_failed): Declare.
6172 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6173 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6174 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6175 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6176 (OMP_CLAUSE_IF_EXPR): Likewise.
6177 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6178 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6179 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6180 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6181 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6182 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6183 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6184 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6185 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6186 (OMP_CLAUSE_CODE): Define.
6187 (OMP_CLAUSE_SET_CODE): Define.
6188 (OMP_CLAUSE_CODE): Define.
6189 (OMP_CLAUSE_OPERAND): Define.
6190 (struct tree_omp_clause): Declare.
6191 (union tree_node): Add field 'omp_clause'.
6192 * treestruct.def (TS_OMP_CLAUSE): Define.
6193 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6194 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6195 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6196 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6197 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6198 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6199 (OMP_CLAUSE): Define.
6200 * print-tree.c (print_node): Handle OMP_CLAUSE.
6201 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6202 * c-typeck.c: Likewise.
6203 * gimplify.c: Likewise.
6204 * c-omp.c: Likewise.
6205 * tree-nested.c: Likewise.
6206 * tree-inline.c: Likewise.
6207 * c-parser.c: Likewise.
6208 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6209 clauses.
6211 2006-01-25 Roger Sayle <roger@eyesopen.com>
6213 PR rtl-optimization/25703
6214 * combine.c (try_combine): Handle zero_extract and strict_low_part
6215 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6217 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6219 * global.c: Fix comment typos.
6221 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6223 PR target/25758
6224 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6225 Use output_addr_const instead of assemble_name.
6227 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6229 * Makefile.in (sched-vis.o): Update dependencies.
6230 * haifa-sched.c (sched_finish): Clear current_sched_info.
6231 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6232 (dump_flow_info): Call it.
6233 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6234 a slim RTL dump.
6235 * basic-block.h (dump_bb_info): Declare.
6236 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6237 option, and apply options only for dump files whose TDF_RTL,
6238 TDF_TREE, or TDF_IPA bits match.
6239 * rtl.h: Declare new functions exported from sched-vis.c.
6240 * sched-vis.c: Enable also if scheduling is not used.
6241 (print_value): Print the mode of registers if not inside scheduling.
6242 (print_insn): Make it work outside the scheduler. Beautify the output
6243 a bit.
6244 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6246 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6248 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6249 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6250 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6251 depending on the value of CONSTANT_POOL_ADDRESS_P.
6252 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6253 SYMBOL_REF_DECL.
6254 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6255 rather than SYMBOL_REF_DECL.
6256 (rtx_constant_pool): Remove const_rtx_sym_htab.
6257 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6258 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6259 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6260 Remove handling of const_rtx_sym_htab.
6261 (find_pool_constant): Delete.
6262 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6263 rather than find_pool_constant.
6264 (get_pool_constant_for_function): Delete.
6265 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6266 find_pool_constant.
6267 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6268 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6269 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6270 (SYMBOL_REF_CONSTANT): New macro.
6271 (get_pool_constant_for_function): Delete.
6272 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6273 rather than SYMBOL_REF_DECL.
6274 (i386_pe_mark_dllimport): Likewise.
6275 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6276 rather than SYMBOL_REF_DECL.
6277 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6278 (machopic_indirect_call_target): Likewise.
6280 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6282 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6284 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6286 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6288 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6290 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6292 2006-01-24 David Daney <ddaney@avtrex.com>
6294 PR java/25816
6295 * configure.ac (enable_tls): New enable option.
6296 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6297 * configure: Regenerate.
6298 * doc/install.texi (--enable-tls): Document new option.
6299 (--disable-tls): Ditto.
6301 2006-01-24 Richard Henderson <rth@redehat.com>
6303 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6304 * alias.c (true_dependence): Respect it.
6305 (canon_true_dependence, write_dependence_p): Likewise.
6306 * builtins.c (get_builtin_sync_mem): Set it.
6308 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6310 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6311 efficient way.
6313 2006-01-24 DJ Delorie <dj@redhat.com>
6315 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6316 for storing constants in single-bit bitfields.
6318 2006-01-25 Ben Elliston <bje@au.ibm.com>
6320 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6322 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6324 PR tree-opt/25860
6325 * tree-ssa-pre.c (phi_translate): Return NULL
6326 for AGGREGATE_TYPE's.
6328 2006-01-24 Zack Weinberg <zackw@panix.com>
6330 * genautomata.c (process_state_for_insn_equiv_partition):
6331 Use xcalloc for insn_arcs_array.
6332 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6333 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6335 2006-01-24 Richard Henderson <rth@redhat.com>
6337 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6338 update all callers.
6340 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6342 PR rtl-optimization/25890
6343 PR rtl-optimization/25905
6344 * combine.c (expand_compound_operation, expand_field_assignment):
6345 Fail if the bitfield's final position is out of bounds.
6347 2006-01-24 Ian Lance Taylor <ian@airs.com>
6349 PR middle-end/25930
6350 * cgraphunit.c (cgraph_output_in_order): Don't clear
6351 cgraph_asm_nodes until after asm strings have been output.
6353 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6355 * fix-header.c (read_scan_file): Add new parameter imultilib when
6356 calling register_include_chains.
6358 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6360 * omp-low.c: Update documentation.
6362 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6363 Daniel Berlin <dberlin@dberlin.org>
6365 PR tree-opt/25315
6366 PR tree-opt/25857
6367 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6368 return from the function.
6370 2006-01-22 Zack Weinberg <zackw@panix.com>
6372 * rtl.def (match_code): Add second argument.
6373 * genpreds.c (write_extract_subexp): New function.
6374 (write_match_code): Add path argument. Use write_extract_subexp.
6375 (write_predicate_expr): Pass path to write_match_code.
6376 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6377 not perform a mode test.
6378 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6379 a subexpression does not constrain the top-level code set.
6380 * read-rtl.c (read_rtx_variadic): New function.
6381 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6382 * doc/md.texi: Document new notation.
6383 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6384 (cmpsi_operand): ... here, using new notation.
6386 2006-01-22 Zack Weinberg <zackw@panix.com>
6388 * varray.c: Remove GENERATOR_FILE #ifdefs.
6390 2006-01-22 Zack Weinberg <zackw@panix.com>
6392 * genautomata.c (output_reserved_units_table): Emit nothing if
6393 description->query_units_num is zero. Remove extra blank line.
6394 (output_cpu_unit_reservation_p): Short circuit
6395 if description->query_units_num is zero.
6397 2006-01-22 Zack Weinberg <zackw@panix.com>
6399 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6400 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6401 nor any of the random handful of variables that used to be necessary
6402 when this program was linked with rtlanal.o. Prune set of forward
6403 function declarations.
6404 (struct attr_desc): Remove static_p field.
6405 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6406 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6407 (attr_string): Do not read the character one past the length of
6408 the string.
6409 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6410 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6411 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6412 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6413 (make_automaton_attrs): New.
6414 (main): Do not call into genautomata. Call local gen_bypass
6415 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6416 Remove special case for insn_alts.
6417 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6418 varray.h (leftover from previous change). Prune set of forward
6419 function declarations. Remove state_alts fields from all
6420 structures. Remove state_alts_table from struct automaton.
6421 Make everything except main static. Do not maintain num_dfa_decls.
6422 Do not maintain state_alts fields of various structures.
6423 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6424 (add_arc): Remove state_alts argument. All callers updated.
6425 (output_reserved_units_table): Emit #ifdef here...
6426 (output_tables): ...not here. Don't generate state_alts tables.
6427 (expand_automata): Don't generate attributes.
6428 (write_automata): Don't generate state_alts functions.
6429 (main): New function.
6430 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6431 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6432 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6433 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6434 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6435 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6436 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6437 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6438 Delete.
6439 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6440 * genattrtab.h: Delete file.
6441 * Makefile.in (OBJS-common): Add insn-automata.o.
6442 (insn-automata.o): New rule.
6443 (simple_generated_c): Add insn-automata.c.
6444 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6445 (genprogmd): Add automata.
6446 (build/genattrtab): Needs no extra objects nor libraries.
6447 (build/genautomata): Needs build/vec.o and -lm.
6449 2006-01-22 Zack Weinberg <zackw@panix.com>
6451 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6452 (output_dfa_max_issue_rate, locked_states_num): Delete.
6453 (struct automaton): Add locked_states field.
6454 (output_dead_lock_vect): Save number of locked states in
6455 automaton->locked_states. If it is zero, don't print anything.
6456 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6457 (output_internal_dead_lock_func): Only test the dead_lock_vect
6458 for automata that have locked states.
6459 (output_statistics): Always print the number of locked states for
6460 each automaton. Calculate total number of locked states here.
6461 (write_automata): Don't call output_dfa_max_issue_rate.
6462 * genattrtab.c: Define length_unit_log as a const variable.
6463 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6464 max_insn_queue_index const.
6465 * final.c (length_unit_log): Declare const.
6466 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6468 2006-01-22 Zack Weinberg <zackw@panix.com>
6470 * genautomata.c: Include vec.h, not varray.h.
6471 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6472 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6473 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6474 VEC_* macros operating on appropriately typed vectors, or to
6475 malloced arrays when the size is known in advance. Const-ify
6476 many char* variables and function arguments. No functional changes.
6477 * Makefile.in (build/varray.o): Delete rule.
6478 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6479 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6481 2006-01-22 Zack Weinberg <zackw@panix.com>
6483 * gensupport.c: Define get_insn_name and record_insn_name here.
6484 (read_md_rtx): Call record_insn_name as appropriate.
6485 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6486 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6487 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6488 record_insn_name.
6489 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6490 (BUILD_VARRAY): Delete.
6491 (genprognormal): Rename genprogmd. Fold in all programs from
6492 genprognoprint; also attrtab.
6493 (build/genattrtab): Just mention genautomata.o and varray.o.
6494 Reorganize a bit, add comments to make the categories clearer.
6496 2006-01-22 Zack Weinberg <zackw@panix.com>
6498 * genconditions.c (condition_table, add_condition): Delete.
6499 (write_conditions): Don't emit n_insn_conditions nor
6500 insn_elision_unavailable. Issue the gcc version #ifdef here,
6501 inside the table, with no #else clause ...
6502 (write_header): ...not here.
6503 (write_writer): New function.
6504 (main): Don't initialize condition_table. Use add_c_test.
6505 Call write_writer.
6506 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6507 files on the command line.
6508 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6509 Return -1 if there is no entry in the table, don't abort.
6510 (add_c_test, traverse_c_tests): New functions.
6511 * gensupport.h (insn_elision_unavailable, insn_conditions)
6512 (n_insn_conditions): Delete declarations.
6513 (add_c_test, traverse_c_tests): Declare.
6514 * read-rtl.c: Include gensupport.h.
6515 (read_conditions): New function.
6516 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6517 (read_rtx_1): If we get EOF when we were looking for an initial
6518 open paren, return 0. Call read_conditions when appropriate.
6519 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6520 dummy-conditions.o. Eliminate references to insn-conditions.o,
6521 or change them to build/gencondmd.o, as appropriate. Remove
6522 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6523 from $(simple_generated_c). For all files remaining in those
6524 two lists, add insn-conditions.md to the generator command line.
6525 Give insn-constants.h/s-constants their own rules. Add rules
6526 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6527 (build/read-rtl.o): Depend on gensupport.h.
6528 (genprognormal): Include preds.
6529 (genprogearly): Rename genprognoprint; only difference is now that
6530 they don't link with $(BUILD_PRINT).
6531 * dummy-conditions.c: Delete.
6533 2006-01-22 Zack Weinberg <zackw@panix.com>
6535 * genextract.c: Don't include insn-config.h. Do include vec.h.
6536 Declare vectors of int, char, and locstr.
6537 (locstr): New typedef.
6538 (struct extraction): Make all array fields into bare pointers.
6539 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6540 (insn_code_number): Delete.
6541 (accum_extract): New struct.
6542 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6543 (gen_insn): Take insn_code_number as an argument. Use an
6544 accum_extract structure instead of loading data directly into
6545 a struct extraction, and having to know how big it might get.
6546 (walk_rtx): Operate entirely on an accum_extract structure.
6547 (print_path): Avoid unnecessary use of printf.
6548 (print_header): New function, split out of main. Distinguish
6549 more carefully between an unrecognizable insn and an insn that
6550 has the code number of a define_expand.
6551 (main): Pass insn_code_number to gen_insn. Call print_header
6552 only after parsing. Avoid unnecessary use of printf.
6553 * Makefile.in (build/vec.o): New rule.
6554 (build/genextract): Depend on build/vec.o.
6555 (build/genextract.o): Don't depend on insn-config.h.
6557 2006-01-22 Zack Weinberg <zackw@panix.com>
6559 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6560 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6561 practical. Eliminate per-generator-program link rules.
6563 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6565 PR middle-end/24437
6566 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6567 with a call expr to ...
6568 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6570 2006-01-23 Richard Guenther <rguenther@suse.de>
6572 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6573 before make_edge with conditional EDGE_TRUE_VALUE.
6575 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6576 Jan Hubicka <jh@suse.cz>
6577 Richard Guenther <rguenther@suse.de>
6579 PR rtl-optimization/25654
6580 * cfgexpand.c (aggregate_contains_union_type): New function.
6581 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6582 for structure variables that contain a union type.
6584 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6586 * gengtype.c (new_structure): Return the structure.
6587 (create_option): Add an extra "next" argument.
6588 (create_field): New function.
6589 (adjust_field_rtx_def): Use create_option and create_field.
6590 Remove a now-unnecessary call to find_structure.
6591 (adjust_field_tree_def): Likewise.
6592 (note_yacc_type): Remove an unnecessary call to find_structure.
6593 * gengtype.h (new_structure): Return the structure.
6594 (create_option): Add an extra argument.
6595 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6596 (option): Adjust calls to create_option.
6598 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6600 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6602 2006-01-22 Paul Brook <paul@codesourcery.com>
6603 Peter Barada <peter@the-baradas.com>
6605 * config/m68k/m68k.md: Add Coldfire FPU support.
6606 Define FP mode macro and associated attributes.
6607 Use it for float mode patterns.
6608 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6609 (LIBCALL_VALUE): Use m68k_libcall_value.
6610 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6611 (m68k_function_value): Ditto.
6612 (emit_move_sequence): Ditto.
6613 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6614 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6615 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6616 (MULTILIB_EXCEPTIONS): Ditto.
6617 * config/m68k/m68k.opt: Add mcfv4e.
6618 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6619 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6620 (m68k_output_function_prologue): Save ColdFire FPU registers.
6621 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6622 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6623 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6624 ColdFire FPU registers.
6625 (m68k_libcall_value, m68k_function_value): New functions.
6626 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6627 (LIBCALL_VALUE): Use m68k_libcall_value.
6628 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6629 (MASK_COLDFIRE): Add MASK_CFV4E.
6630 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6631 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6632 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6633 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6634 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6635 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6636 * doc/invoke.tex: Document -mcfv4e on m68k.
6638 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6640 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6641 URL.
6643 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6645 PR c++/16190
6646 * c-opts.c (c_common_handle_option): Don't include
6647 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6648 * doc/invoke.texi (C++ Dialect Options): Document that
6649 -Wnon-virtual-dtor is no longer included in -Wall.
6651 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6653 * gcov.c (print_version), gcov-dump.c (print_version),
6654 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6655 dates.
6657 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6659 * df-scan.c (problem_SCAN): Added NULL reset function.
6660 (df_scan_reset_blocks): Added code to call reset block function
6661 (df_bb_refs_delete) Fixed comment.
6662 (df_insn_refs_delete): Made tolerant of deleting non existent info
6663 for dataflow problems that need to be reset.
6664 * df-core.c (df_set_blocks): Ditto.
6665 * df.h (struct df_problem): Added reset_fun.
6666 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6667 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6668 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6669 functions to clear out all references to def-use or use-def chains.
6671 2006-01-21 Ben Elliston <bje@au.ibm.com>
6673 * varasm.c (assemble_real): Initialise data array.
6675 2006-01-20 Paul Brook <paul@codesourcery.com>
6677 Merge from csl-arm-branch.
6678 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6679 * config/arm/arm.md (movdi): Force operands[1] to a register
6680 if we have a non-register source.
6681 (*arm_movdi, *movdf_soft_insn): Require that one of the
6682 operands be a register.
6683 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6684 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6686 2006-01-20 DJ Delorie <dj@redhat.com>
6688 * varasm.c (initialize_constant_valid_p): Allow pointers
6689 initialized from integer constants of lesser precision.
6690 (output_constant): Allow non-int-sized pointer modes to be
6691 initialized from integer constants.
6693 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6695 PR libstdc++/25524
6696 * cppdefault.h (struct default_include): Add multilib flag.
6697 * cppdefault.c (cpp_include_defaults): Set it.
6698 * c.opt (-imultilib): New option.
6699 * c-opts.c (imultilib): New.
6700 (c_common_handle_option): Handle -imultilib.
6701 (c_common_post_options): Likewise.
6702 * c-incpath.c (add_standard_paths, register_include_chains):
6703 Likewise.
6704 * c-incpath.h (register_include_chains): Add extra parameter.
6705 * gcc.c (do_spec_1): Generate -imultilib option.
6706 (The Specs Language): Update %I description.
6707 (process_command): Update copyright notice.
6708 * doc/cppopts.texi (-imultilib): Document.
6709 * doc/invoke.texi (-imultilib): Include in option summary.
6710 (%I): Update specs documentation.
6712 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6714 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6716 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6718 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6719 label numbers.
6721 2006-01-20 Richard Guenther <rguenther@suse.de>
6722 Steven Bosscher <stevenb.gcc@gmail.com>
6724 PR rtl-optimization/24626
6725 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6726 EDGE_TRUE_VALUE if in RTL mode.
6728 Revert
6729 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6730 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6732 2006-01-20 Dirk Mueller <dmueller@suse.com>
6734 PR c++/5520
6735 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6736 instead of a special NOP marker.
6737 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6738 NOP marker handling.
6739 * c-common.h (empty_body_warning): Add forward declaration.
6740 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6741 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6743 2006-01-20 Paul Brook <paul@codesourcery.com>
6745 * Makefile.in (lang_checks): Keep going if mkdir fails.
6747 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6749 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6750 be able to clean out basic block when not necessary.
6751 (df_scan_free): Fixed to properly delete information if df is
6752 unused before calling df_finish.
6753 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6754 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6755 or comment typos.
6756 (df_bb_refs_delete): New function.
6757 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6758 * df-core.c (df_set_blocks): Added code to properly clean out
6759 unused blocks if they are not part of the blocks to consider.
6760 Added additional null check.
6761 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6762 be able to clean out basic block when not necessary
6763 * df.h (df_free_bb_function): Ditto.
6764 (df_bb_refs_delete): New function.
6765 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6766 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6767 basic block parameter to be able to clean out basic block when not
6768 necessary.
6769 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6770 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6771 Fixed to properly delete information if df is unused before
6772 calling df_finish.
6774 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6776 PR rtl-optimization/25799
6777 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6778 Corrected confluence operator to remove bits from op2 before oring
6779 with op1 rather than removing bits from op1.
6780 (df_ru_transfer_function): Corrected test on wrong bitmap which
6781 caused infinite loop. Both of these problems were introduced in
6782 the dataflow rewrite.
6784 2006-01-19 DJ Delorie <dj@redhat.com>
6786 * reload1.c (find_reload_regs): Note the details of reload
6787 failures in the dump file.
6788 (spill_failure): Likewise.
6790 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6792 * loop-iv.c: Include df.h and hashtab.h.
6793 (enum iv_grd_result): New enum.
6794 (DF_REF_IV, DF_REF_IV_SET): New macros.
6795 (struct biv_entry): New.
6796 (df, bivs): New global variables.
6797 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6798 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6799 Removed.
6800 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6801 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6802 analyzed_for_bivness_p, record_biv): New functions.
6803 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6804 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6805 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6806 UD chains.
6807 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6808 analysed.
6809 (iv_number_of_iterations): Use new interface to iv analysis.
6810 * loop-unroll.c: Do not include varray.h.
6811 (analyze_iv_to_split_insn): Use new interface to iv
6812 analysis.
6813 * loop-unswitch.c (may_unswitch_on): Ditto.
6814 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6815 allocated.
6816 (df_bb_modify): Realloc tables to the new index.
6817 (df_find_use): New function.
6818 * df.h (df_find_use): Declare.
6819 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6820 outmode.
6821 * cfgloop.h (struct rtx_iv): Remove analysed field.
6822 (iv_get_reaching_def): Removed.
6823 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6824 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6825 (loop-iv.o): Add df.h and hashtab.h dependency.
6826 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6828 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6830 PR target/25668
6831 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6832 Double TFmode.
6833 (__floatundisf, __floatundidf): Likewise.
6834 * libgcc2.h (IS_IBM_EXTENDED): Define.
6836 2006-01-19 DJ Delorie <dj@redhat.com>
6838 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6840 2006-01-19 Paul Brook <paul@codesourcery.com>
6842 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6843 as nothrow when unwinding tables are disabled.
6845 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6847 PR testsuite/25171
6848 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6849 of bit-field" when in system header.
6851 2006-01-19 DJ Delorie <dj@redhat.com>
6853 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6854 the 16 bit shift limit of the m16c.
6856 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6858 PR target/22099
6859 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6860 * config/i386/i386.c (output_set_got): Output the label if we have one
6861 for the TARGET_DEEP_BRANCH_PREDICTION case.
6863 2006-01-19 Jan Hubicka <jh@suse.cz>
6864 H.J. Lu <hongjiu.lu@intel.com>
6865 Evandro Menezes <evandro.menezes@amd.com>
6867 * invoke.texi (generic): Document
6868 (i686) Update.
6869 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6870 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6871 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6872 (x86_use_incdec, x86_pad_returns): New variables
6873 (TARGET_CPU_DEFAULT_generic): New constant
6874 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6875 (enum processor_type): Add generic32 and generic64.
6876 * i386.md (cpu attribute): Add generic32/generic64
6877 (movhi splitter): Behave sanely when both partial_reg_dependency and
6878 partial_reg_stall are set.
6879 (K8 splitters): Enable for generic as well.
6880 * predicates.md (incdec_operand): Use TARGET_INCDEC
6881 (aligned_operand): Avoid memory mismatch stalls.
6882 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6883 * ppro.md: Enable for generic32
6884 * i386.c (generic64_cost, generic32_cost): New.
6885 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6886 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6887 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6888 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6889 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6890 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6891 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6892 x86_accumulate_outgoing_args, x86_prologue_using_move,
6893 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6894 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6895 Enable for generic.
6896 (x86_use_incdec, x86_pad_returns): New.
6897 (override_options): Add generic32 and generic64, translate "generic"
6898 to generic32/generic64 and "i686" to "generic32", refuse
6899 "generic32"/"generic64" as arch target.
6900 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6901 (ix86_reorg): Honor PAD_RETURNS.
6903 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6905 * tree-pretty-print.c (dump_generic_node): Handle
6906 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6907 * cgraph.c (cgraph_expand_queue): Rename from
6908 cgraph_analyze_queue. Update all users.
6909 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6910 cgraph_expand_queue.
6911 (cgraph_expand_all_functions): Likewise.
6912 (cgraph_finalize_pending_functions): Remove. Update callers.
6914 * tree.h (OMP_DIRECTIVE_P): Define.
6915 (OMP_PARALLEL_FN): Define.
6916 (OMP_PARALLEL_DATA_ARG): Define.
6917 (OMP_SECTIONS_SECTIONS): Define.
6918 * tree-pass.h (pass_expand_omp): Declare.
6919 * omp-low.c (struct omp_region): Declare.
6920 (struct omp_context): Remove fields 'parallel_type',
6921 'parallel_start_ix' and 'parallel_start_additional_args'.
6922 Update all users.
6923 (struct omp_for_data): Rename from struct expand_omp_for_data.
6924 (omp_regions): New static variable.
6925 (root_omp_region): New static variable.
6926 (find_omp_clause): Make static.
6927 (is_in_combined_parallel_ctx): Remove.
6928 (is_combined_parallel): New.
6929 (extract_omp_for_data): Move earlier in the file.
6930 (workshare_safe_to_combine_p): New.
6931 (get_ws_args_for): New.
6932 (determine_parallel_type): Move earlier in the file.
6933 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6934 child function.
6935 (omp_copy_decl): Likewise.
6936 (create_omp_child_function): Likewise.
6937 (lookup_omp_region): New.
6938 (dump_omp_region): New.
6939 (debug_omp_region): New.
6940 (debug_all_omp_regions): New.
6941 (new_omp_region): New.
6942 (scan_omp_parallel): If parallel_nesting_level > 1, the
6943 directive is nested within another parallel directive.
6944 Set OMP_PARALLEL_FN.
6945 (scan_omp_for): Do not try to handle combined parallel+for
6946 cases.
6947 Remove FIXME comment.
6948 (scan_omp_nested): Remove.
6949 (scan_omp_1): Do not call scan_omp_nested when
6950 parallel_nesting_level is > 1.
6951 Do not change the DECL_CONTEXT of local variables found.
6952 (lookup_decl_in_outer_ctx): New.
6953 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6954 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6955 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6956 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6957 If CTX is nested, lookup VAR in the outer context when
6958 building copy assignment.
6959 (lower_send_clauses): Rename from expand_send_clauses.
6960 If CTX is nested, lookup VAR in the outer context when
6961 building copy assignments.
6962 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6963 If CTX is nested, lookup VAR in the outer context when
6964 building copy assignments.
6965 (expand_parallel_call): Rename from build_parallel_call.
6966 Handle combined parallel+workshare cases.
6967 Re-implement to emit code into the CFG.
6968 (list2chain): New.
6969 (expand_omp_parallel): Re-implement to emit code into the CFG.
6970 Call move_sese_region_to_fn to outline the sub-graph
6971 containing the parallel region.
6972 (expand_omp_for_1): Remove.
6973 (expand_omp_for_generic): Re-implement to emit code into the
6974 CFG.
6975 (expand_omp_for_static_nochunk): Likewise.
6976 (expand_omp_for_static_chunk): Likewise.
6977 (expand_omp_for): Likewise.
6978 (expand_omp_sections): Likewise.
6979 (remove_exit_barriers): New.
6980 (expand_omp_synch): New.
6981 (expand_omp): New.
6982 (build_omp_regions_1): New.
6983 (build_omp_regions): New.
6984 (execute_expand_omp): New.
6985 (gate_expand_omp): New.
6986 (pass_expand_omp): Define.
6987 (lower_omp_sections): Rename from expand_omp_sections.
6988 Set OMP_SECTIONS_SECTIONS.
6989 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6990 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6991 (lower_omp_single): Rename from expand_omp_simple.
6992 (lower_omp_master): Rename from expand_omp_master.
6993 (lower_omp_ordered): Rename from expand_omp_ordered.
6994 (lower_omp_critical): Rename from expand_omp_critical.
6995 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6996 (lower_omp_for): Re-implement.
6997 (lower_omp_parallel): Re-implement.
6998 (lower_regimplify): Rename from expand_regimplify.
6999 (lower_omp_1): Rename from expand_omp_1.
7000 If there are syntax errors in the program, replace every
7001 OpenMP directive with NOP.
7002 Call lower_omp_* instead of expand_omp_*.
7003 (lower_omp): Rename from expand_omp.
7005 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7006 * tree-gimple.h (enum omp_parallel_type): Remove.
7007 (gimple_boolify): Declare extern.
7008 (find_omp_clause, determine_parallel_type): Remove.
7010 * gimple-low.c (lower_omp_directive): New.
7011 (lower_stmt): Call it.
7012 (record_vars_into): Move from ...
7013 (record_vars): ... here.
7014 Call record_vars_into with current_function_decl.
7016 * gimplify.c (struct gimplify_ctx): Remove fields
7017 combined_pre_p and combined_ctxp. Update users.
7018 (get_formal_tmp_var): Add documentation.
7019 (gimple_boolify): Make extern.
7020 (gimplify_expr_in_ctx): Remove. Update callers.
7021 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7022 will always be a BIND_EXPR.
7023 (gimplify_expr): Handle OMP_RETURN_EXPR.
7024 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7025 (OMP_PARALLEL): Add 3 operands.
7026 (OMP_SECTIONS): Add 1 operand.
7027 (OMP_RETURN_EXPR): Define.
7029 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7030 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7031 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7032 creating a circular free list.
7033 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7035 * tree-flow.h (move_sese_region_to_fn): Declare.
7036 (record_vars_into): Declare.
7037 * tree-cfg.c (make_omp_sections_edges): New.
7038 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7039 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7040 OMP_SECTIONS and OMP_SECTION.
7041 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7042 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7043 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7044 (gather_blocks_in_sese_region): New.
7045 (struct move_stmt_d): Declare.
7046 (move_stmt_r): New.
7047 (move_block_to_fn): New.
7048 (move_sese_region_to_fn): New.
7050 * passes.c (init_optimization_passes): Schedule
7051 pass_expand_omp after pass_init_datastructures.
7053 * tree-ssa-operands.c (get_expr_operands): Handle
7054 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7055 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7057 2006-01-19 Jeff Law <law@redhat.com>
7059 * tree-vrp.c (extract_range_from_assert): Refine the result range
7060 if the variable referenced by the ASSERT_EXPR has a range and
7061 either the tentative result range or the previous range is a
7062 VR_ANTI_RANGE.
7064 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7066 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7068 2006-01-19 Jan Hubicka <jh@suse.cz>
7070 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7072 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7074 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7075 (expand_compound_operation, expand_field_assignment): Fail if the
7076 bit lengths of an extract operation are out of range.
7077 (make_extraction): Compute wanted_inner_mode based on the position
7078 and length of the extraction. Make it extraction_mode for non-constant
7079 positions, and do not modify offset in that case. When generating a
7080 new MEM, use a mode that can hold the extraction while keeping correct
7081 alignment. Remove code that supported MEMs wrapped by USEs.
7082 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7084 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7086 * config/s390/s390.md ("Y", "y"): New mode attribute.
7087 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7088 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7089 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7090 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7091 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7092 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7093 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7094 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7095 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7096 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7097 "addsi3", "subsi3"): Insn patterns removed.
7098 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7099 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7100 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7101 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7102 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7103 "*sub<mode>3_cconly2"): New insn patterns.
7104 ("addsi3", "subsi3"): New expanders.
7106 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7108 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7109 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7110 existing STMT_VINFO_VECTYPE if available.
7111 (vect_mark_relevant): Add special handling for stmts that are
7112 marked as STMT_VINFO_IN_PATTERN_P.
7113 (vect_analyze_loop): Call vect_pattern_recog.
7114 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7115 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7116 stmt_info.
7117 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7118 (vect_recog_func_ptr): New function-pointer type.
7119 * tree-vect-patterns.c: New file.
7120 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7121 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7122 (vect_pattern_recog_1): New functions.
7123 (vect_pattern_recog_funcs): New array of function pointers.
7125 * tree-vectorizer.h (ternary_op): New enum value.
7126 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7127 declaration. Revised documentation. Removed redundant dump prints.
7128 Removed redundant argument. Added support for reduction patterns.
7129 (vectorizable_reduction): Added support for reduction patterns.
7130 (vect_transform_stmt): Added support for patterns.
7132 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7133 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7134 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7135 (expand_widen_pattern_expr): New function.
7136 (init_optabs): Initialize new optabs udot_prod_optab,
7137 sdot_prod_optab.
7138 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7139 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7140 (expand_widen_pattern_expr): New function declaration.
7141 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7142 tree-codes.
7143 * tree-inline.c (estimate_num_insns_1): Added cases for new
7144 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7145 * tree-pretty-print.c (dump_generic_node): Likewise.
7146 (op_prio): Likewise.
7147 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7148 * tree-ssa-operands.c (get_expr_operands): Added case for
7149 DOT_PROD_EXPR.
7150 * tree-vect-patterns.c (widened_name_p): New function.
7151 (vect_recog_dot_prod_pattern): Added function implementation.
7152 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7153 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7154 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7155 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7157 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7158 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7159 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7160 (init_optabs): Initialize new optabs widen_ssum_optab,
7161 widen_usum_optab.
7162 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7163 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7164 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7165 use instead of type of def.
7166 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7167 function implementation.
7168 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7169 widen_ssumv8hi): New.
7171 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7172 patterns.
7174 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7176 PR c/25805
7177 * c-decl.c (add_flexible_array_elts_to_size): New function.
7178 (finish_decl): Use it.
7180 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7182 * diagnostic.h: Include options.h.
7183 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7184 dependancies for diagnostic.h.
7185 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7187 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7189 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7190 (ssa_ro_call_cache_valid): Ditto.
7191 * tree-ssa-alias.c (sort_tags_by_id): New function.
7192 (init_transitive_clobber_worklist): Ditto.
7193 (add_to_worklist): Ditto.
7194 (mark_aliases_call_clobbered): Ditto.
7195 (compute_tag_properties): Ditto.
7196 (set_initial_properties): Ditto.
7197 (compute_call_clobbered): Ditto.
7198 (compute_may_aliases): Call compute_call_clobbered and grouping.
7199 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7200 (compute_flow_insensitive_aliasing): Grouping now happens in our
7201 caller.
7202 (setup_pointers_and_addressables): Remove clobbering related code.
7203 (add_may_alias): Ditto.
7204 (replace_may_alias): Ditto.
7205 (get_nmt_for): Ditto.
7206 (create_global_var):
7207 (is_escape_site): Return an escape_type enumeration.
7208 * tree-flow-inline.h (is_call_clobbered): Global var does not
7209 imply call clobbered.
7210 (mark_call_clobbered): Take a reason for marking this. Remove
7211 marking of globalness, and cache invalidation.
7212 (clear_call_clobbered): Remove cache invalidation code.
7213 * tree-dfa.c (dump_variable): If details is on, dump the reason
7214 for escaping.
7215 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7216 variable.
7217 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7218 (struct var_ann_d): Ditto.
7219 (enum escape_type): New.
7220 (mark_call_clobbered): Adjust prototype.
7221 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7222 are never call clobbered.
7223 Record reasons for escaping.
7224 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7225 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7226 (ssa_ro_call_cache_valid): Ditto.
7227 (clobbered_v_may_defs): Ditto.
7228 (clobbered_vuses): Ditto.
7229 (ro_call_vuses): Ditto.
7230 (clobber_stats): New.
7231 (init_ssa_operands): Zero out clobber stats.
7232 (fini_ssa_operands): Print out clobber stats.
7233 (get_call_expr_operands): Pass callee fndecl to
7234 add_call_read_ops).
7235 (add_call_clobber_ops): Remove use of cache.
7236 Add use of PURE_CONST information.
7237 (add_call_read_ops): Remove use of cache.
7238 Add use of static not_read information.
7240 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7242 Introduce TLS descriptors for i386 and x86_64.
7243 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7244 (TARGET_ANY_GNU_TLS): New macro.
7245 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7246 (struct machine_function): Add tls_descriptor_call_expanded_p.
7247 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7248 (ix86_current_function_calls_tls_descriptor): Likewise.
7249 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7250 (override_options): Introduce gnu2 tls dialect.
7251 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7252 not leaves.
7253 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7254 Likewise.
7255 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7256 (ix86_init_machine_status): Initialize new field.
7257 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7258 (ix86_tls_module_base): New.
7259 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7260 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7261 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7262 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7263 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7264 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7265 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7266 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7267 * config/i386/predicates.md (tls_modbase_operand): New.
7268 (tp_or_register_operand): New.
7270 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7272 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7273 (look_for_address_of): Ditto.
7274 (ipa_init): Walk the function decls.
7275 (static_execute): Don't set readonly on FUNCTION_DECL's.
7277 2006-01-18 Roger Sayle <roger@eyesopen.com>
7279 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7280 for shifts where the source and destination registers are different.
7282 2006-01-18 Paul Brook <paul@codesourcery.com>
7284 Merge from csl-arm-branch.
7285 2005-03-14 Julian Brown <julian@codesourcery.com>
7286 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7287 (aeabi_llsl): Likewise.
7288 (ashrdi3): Likewise.
7289 (aeabi_lasr): Likewise.
7290 (lshrdi3): Likewise.
7291 (aeabi_llsr): Likewise.
7292 2005-03-10 Julian Brown <julian@codesourcery.com>
7293 * config.gcc: Disable shared libgcc for SymbianOS.
7294 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7296 2006-01-18 DJ Delorie <dj@redhat.com>
7298 * c-pragma.c (handle_pragma_diagnostic): New.
7299 (init_pragma): Register it.
7300 * doc/extend.texi: Document it.
7302 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7303 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7304 (diagnostic_context): Add classify_diagnostic[].
7305 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7306 as errors if they're overridden to DK_WARNING.
7307 (diagnostic_initialize): Initialize classify_diagnostic[].
7308 (diagnostic_set_kind_override): New.
7309 (diagnostic_report_diagnostic): Check for kind changes.
7310 * opts.c (common_handle_option): Take lang_mask. Update callers.
7311 Handle OPT_Werror_.
7312 * common.opt (Werror=): New.
7313 * doc/invoke.texi: Document -Werror=*
7315 2006-01-18 Jeff Law <law@redhat.com>
7317 * tree-vrp.c (test_for_singularity): Correct test for new
7318 min limit. Use operand_equal_p rather than pointer equality
7319 for testing if new min/max values are equal.
7321 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7322 using range information until after propagation and folding.
7324 2006-01-18 Richard Henderson <rth@redhat.com>
7325 Aldy Hernandez <aldyh@redhat.com>
7326 Jakub Jelinek <jakub@redhat.com>
7327 Diego Novillo <dnovillo@redhat.com>
7329 * omp-low.c: New file.
7330 * c-omp.c: New file.
7332 2006-01-18 Richard Henderson <rth@redhat.com>
7333 Jakub Jelinek <jakub@redhat.com>
7334 Diego Novillo <dnovillo@redhat.com>
7336 * doc/invoke.texi: Document -fopenmp.
7337 * tree-dump.h (debug_function): Declare.
7338 * hooks.c (hook_bool_tree_bool_false): New function.
7339 (hook_tree_tree_null): Remove.
7340 (hook_tree_tree_tree_null): New.
7341 * hooks.h: Update to match.
7342 * tree-pretty-print.c (debug_tree_chain): New.
7343 (print_generic_expr): Handle TDF_CHAIN.
7344 (dump_generic_node): Handle BLOCK.
7345 Do not abort with incomplete SWITCH_EXPRs.
7346 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7347 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7348 print space after directive name.
7349 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7350 Handle OMP_MASTER and OMP_ORDERED.
7351 Handle printing of OMP_BODY just in one place, goto
7352 dump_omp_body in the rest of OMP_* nodes that have
7353 OMP_BODY.
7354 Don't handle clause nodes here. Update omp statements to
7355 use dump_omp_clauses.
7356 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7357 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7358 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7359 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7360 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7361 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7362 Adjust output for GOMP_PARALLEL.
7363 (dump_omp_clauses): New.
7364 (print_declaration): Dump DECL_VALUE_EXPR.
7365 (op_symbol_1): Split out of op_symbol.
7366 (dumping_stmts): Remove. Update all users.
7367 * cgraph.c (cgraph_analyze_queue): New.
7368 (cgraph_add_new_function): New.
7369 * cgraph.h (cgraph_analyze_queue): Declare.
7370 (cgraph_add_new_function): Declare.
7371 (cgraph_lower_function): Remove.
7372 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7373 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7374 and TYPE_P nodes in its default clause.
7375 (empty_body_p): New.
7376 (tree_range_check_failed): New.
7377 (build5_stat): New.
7378 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7379 OMP_CLAUSE_REDUCTION_MERGE,
7380 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7381 OMP_CLAUSE_PRIVATE_DEBUG,
7382 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7383 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7384 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7385 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7386 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7387 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7388 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7389 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7390 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7391 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7392 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7393 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7394 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7395 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7396 (TREE_RANGE_CHECK): New.
7397 (empty_body_p): Declare.
7398 (enum omp_clause_default_kind): New.
7399 (build_string_literal): Declare.
7400 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7401 (build5_stat, build5): Declare.
7402 * tree-pass.h (TDF_CHAIN): Define.
7403 * tree-pass.h (PROP_gimple_lomp): Define.
7404 (pass_lower_omp): Declare.
7405 * diagnostic.h (debug_tree_chain): Declare.
7406 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7407 mode_for_size.
7408 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7409 * builtins.c (build_string_literal): Make extern.
7410 * gcc.c (include_spec_function): New.
7411 (static_spec_functions): Add it.
7412 (main): Move load of libgomp.spec ...
7413 (LINK_COMMAND_SPEC): ... here.
7414 (link_gomp_spec): New.
7415 (static_specs): Include it.
7416 (LINK_COMMAND_SPEC): Add link_gomp.
7417 (GOMP_SELF_SPECS): New.
7418 (driver_self_specs): Include it.
7419 (switch_matches): Don't mark inline.
7420 (main): Load libgomp.spec.
7421 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7422 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7423 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7424 * tree-gimple.h (enum omp_parallel): Declare.
7425 (determine_parallel_type): Declare.
7426 (omp_firstprivatize_variable): Declare.
7427 (omp_reduction_init): Declare.
7428 (diagnose_omp_structured_block_errors): Declare.
7429 (struct walk_stmt_info): Add want_return_expr.
7430 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7431 (find_omp_clause): Declare.
7432 (insert_field_into_struct): Declare.
7433 (struct walk_stmt_info): Move from tree-nested.c
7434 (walk_stmts): Declare.
7435 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7436 to 200505.
7437 * cgraphunit.c (cgraph_lower_function): Make static.
7438 (cgraph_finalize_pending_functions): New.
7439 (cgraph_finalize_function): Call it.
7440 (cgraph_finalize_compilation_unit): Likewise.
7441 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7442 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7443 (BT_FN_UINT_UINT): New.
7444 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7445 DEF_FUNCTION_TYPE_VAR_4): Document.
7446 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7447 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7448 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7449 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7450 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7451 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7452 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7453 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7454 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7455 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7456 into separate files.
7457 (DEF_GOMP_BUILTIN): New.
7458 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7459 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7460 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7461 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7462 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7463 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7464 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7465 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7466 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7467 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7468 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7469 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7470 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7471 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7472 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7473 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7474 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7475 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7476 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7477 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7478 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7479 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7480 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7481 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7482 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7483 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7484 * sync-builtins.def: New file, moved from builtins.def.
7485 * omp-builtins.def: New file, moved from builtins.def.
7486 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7487 * gimple-low.c (lower_function_body): Clear data.
7488 (lower_stmt): Do not handle COMPOUND_EXPR.
7489 Remove call to print_node_brief.
7490 * c-tree.h (c_finish_omp_clauses): New prototype.
7491 (C_DECL_THREADPRIVATE_P): Define.
7492 (lookup_name_no_remap, c_omp_remap_private): Remove
7493 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7494 (check_for_loop_decls): Update decl.
7495 (lookup_name_no_remap, c_omp_remap_private): Declare.
7496 (build_indirect_ref, build_modify_expr, pushdecl,
7497 pushdecl_top_level): Move to c-common.h.
7498 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7499 before the switch, but just in the 2 places that need it.
7500 * c-decl.c (diagnose_mismatched_decls): Do not check for
7501 mismatched thread-local attributes when OLDDECL is marked
7502 threadprivate and NEWDECL has no thread-local attributes.
7503 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7504 (c_gimple_diagnostics_recursively): Rename from
7505 c_warn_unused_result_recursively. Invoke
7506 diagnose_omp_structured_block_errors.
7507 (check_for_loop_decls): Return a singular decl found.
7508 * langhooks.c (lhd_omp_predetermined_sharing): Return
7509 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7510 (lhd_omp_firstprivatize_type_sizes): New.
7511 (lhd_omp_assignment): New.
7512 (lhd_omp_predetermined_sharing): New.
7513 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7514 (struct lang_hooks_for_types): Add
7515 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7516 omp_predetermined_sharing, omp_disregard_value_expr,
7517 omp_private_debug_clause, omp_clause_default_ctor,
7518 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7519 (c_finish_omp_clauses): New.
7520 (c_finish_bc_stmt): Diagnose break within omp for.
7521 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7522 (build_unary_op): Return error_mark after reporting
7523 a readonly_error.
7524 (build_modify_expr): Likewise.
7525 * gimplify.c: Include optabs.h and pointer-set.h.
7526 (enum gimplify_omp_var_data): Declare.
7527 (struct gimplify_omp_ctx): Declare.
7528 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7529 and combined_ctxp.
7530 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7531 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7532 (splay_tree_compare_decl_uid): New.
7533 (new_omp_context): New.
7534 (delete_omp_context): New.
7535 (gimple_add_tmp_var): Call omp_add_variable.
7536 (gimplify_bind_expr): Likewise.
7537 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7538 true, disregard DECL_VALUE_EXPR on the decl if any.
7539 (gimplify_expr_in_ctx): New.
7540 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7541 omp_add_variable, omp_notice_variable, omp_is_private
7542 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7543 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7544 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7545 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7546 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7547 gimplify_omp_atomic): New.
7548 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7549 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7550 OMP_CRITICAL and OMP_ATOMIC.
7551 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7552 * c-pragma.h (enum pragma_kind): Add
7553 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7554 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7555 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7556 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7557 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7558 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7559 PRAGMA_OMP_THREADPRIVATE.
7560 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7561 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7562 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7563 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7564 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7565 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7566 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7567 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7568 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7569 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7570 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7571 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7572 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7573 OpenMP directives.
7574 (struct nesting_info): Add field_map,
7575 suppress_expansion, debug_var_chain.
7576 (create_nesting_tree): Initialize them.
7577 (lookup_field_for_decl): Use field_map.
7578 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7579 (convert_local_omp_clauses): New.
7580 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7581 (walk_body): Split out of walk_function.
7582 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7583 (convert_nonlocal_reference): Handle omp statements.
7584 (convert_local_reference): Likewise.
7585 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7586 (unnest_nesting_tree): New.
7587 (lower_nested_functions): Call it.
7588 (insert_field_into_struct): Make extern.
7589 (struct walk_stmt_info): Move to tree-gimple.h.
7590 (walk_stmts): Make extern.
7591 * omp-builtins.def: New file.
7592 * tree-iterator.c (expr_only): Clarify comment.
7593 * c-common.h (pushdecl_top_level, pushdecl,
7594 build_modify_expr, build_indirect_ref,
7595 c_finish_omp_master, c_finish_omp_critical,
7596 c_finish_omp_ordered, c_finish_omp_barrier,
7597 c_finish_omp_atomic, c_finish_omp_flush,
7598 c_finish_omp_for, c_split_parallel_clauses,
7599 omp_clause_default_kind, c_omp_sharing_predetermined,
7600 c_omp_remap_decl): Declare.
7601 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7602 (OBJS-common): Add omp-low.o.
7603 (c-omp.o, omp-low.o): Add.
7604 (gimplify.o): Add dependency on $(OPTABS_H).
7605 (GTFILES): Add omp-low.c.
7606 (gt-stringpool.h): Add.
7607 * tree-cfg.c (set_bb_for_stmt): Do not update the
7608 block-to-labels map if we are currently expanding to RTL.
7609 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7610 checks.
7611 Handle IDENTIFIER_NODE.
7612 (tree_verify_flow_info): Do not ICE when emitting error
7613 messages about invalid labels.
7614 (dump_function_to_file): Reset CFUN before emitting the body
7615 of the function.
7616 (debug_function): New.
7617 * passes.c (init_optimization_passes): Schedule
7618 pass_lower_omp.
7619 * langhooks-def.h (lhd_omp_predetermined_sharing,
7620 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7621 Declare.
7622 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7623 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7624 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7625 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7626 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7627 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7628 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7629 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7630 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7631 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7632 (LANG_HOOK_DECLS): Use them.
7634 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7635 Richard Henderson <rth@redhat.com>
7636 Jakub Jelinek <jakub@redhat.com>
7637 Diego Novillo <dnovillo@redhat.com>
7639 * c-parser.c (pragma_omp_clause): Define.
7640 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7641 (c_parser_compound_statement): Likewise.
7642 (c_parser_statement): Likewise.
7643 (c_parser_pragma): Handle omp pragmas.
7644 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7645 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7646 (c_parser_omp_clause_name, check_no_duplicate_clause,
7647 c_parser_omp_variable_list,
7648 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7649 c_parser_omp_clause_copyprivate,
7650 c_parser_omp_clause_default,
7651 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7652 c_parser_omp_clause_lastprivate,
7653 c_parser_omp_clause_nowait,
7654 c_parser_omp_clause_num_threads,
7655 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7656 c_parser_omp_clause_reduction,
7657 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7658 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7659 c_parser_omp_atomic, c_parser_omp_barrier,
7660 c_parser_omp_critical, c_parser_omp_flush,
7661 c_parser_omp_for_loop, c_parser_omp_for,
7662 c_parser_omp_master, c_parser_omp_ordered,
7663 c_parser_omp_sections_scope, c_parser_omp_sections,
7664 c_parser_omp_parallel, c_parser_omp_single,
7665 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7666 * c-pragma.c (init_pragma): Do omp pragma registration here.
7667 * c.opt (fopenmp): New flag.
7669 2006-01-18 Eric Christopher <echristo@apple.com>
7671 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7672 * config/darwin.h (GOMP_SELF_SPECS): Define.
7674 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7676 * rtl.h: Remove the prototype for reg_alloc.
7678 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7680 PR target/25731
7681 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7682 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7683 sjlj and dwarf2 exception handling.
7684 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7685 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7686 * pa/pa.c (function_value): Treat complex and vector types as
7687 aggregates.
7688 (function_arg): Likewise. Only pass scalar floats in the floating
7689 point argument registers.
7690 * pa/t-slibgcc-dwarf-ver: New file.
7691 * pa/t-slibgcc-sjlj-ver: New file.
7692 * pa/t-slibgcc-elf-ver: Delete file.
7694 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7696 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7697 unlikely_test_section_p test.
7699 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7701 * mode-switching.c (optimize_mode_switching): Make it static.
7702 * basic-block.h: Remove the prototype for
7703 optimize_mode_switching.
7705 * modulo-sched.c (sms_schedule): Make it static.
7706 * rtl.h: Remove the prototype for sms_schedule.
7708 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7709 * rtl.h: Remove the prototype for gcse_after_reload_main.
7711 * reg-stack.c (reg_to_stack): Make it static.
7712 * rtl.h: Remove the prototype for reg_to_stack.
7714 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7715 Make them static.
7716 * rtl.h: Remove the prototypes for regrename_optimize and
7717 copyprop_hardreg_forward.
7719 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7721 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7722 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7723 Test against the appropriate null constant for the mode.
7724 If 'fixup_overlap' is true, swap the operands if they overlap.
7725 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7726 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7727 alpha_split_tmode_pair and adjust for above change.
7728 * config/alpha/alpha.md (movtf_internal): Adjust call to
7729 alpha_split_tfmode_pair and rely on it to swap the operands.
7730 (movti_internal): New insn and post-reload splitter.
7731 (movti): New expander.
7733 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7735 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7736 operands.
7738 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7740 * rtlanal.c (global_reg_mentioned_p_1,
7741 global_reg_mentioned_p): Remove.
7742 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7744 * flow.c (initialize_uninitialized_subregs): Make it static.
7745 * rtl.h: Remove the prototype for
7746 initialize_uninitialized_subregs.
7748 * function.c (instantiate_virtual_regs): Make it static.
7749 * function.h: Remove the prototype for
7750 instantiate_virtual_regs.
7752 * regmove.c (regmove_optimize, combine_stack_adjustments):
7753 Make them static.
7754 * rtl.h: Remove the prototypes for regmove_optimize and
7755 combine_stack_adjustments.
7757 2006-01-17 Roger Sayle <roger@eyesopen.com>
7759 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7760 (size_cost): Encode costs in bytes so that a reg-reg addition is
7761 equivalent to COSTS_N_INSNS(1).
7762 (override_options): Use the size_cost.branch_cost as the default
7763 ix86_branch_cost when optimizing for size.
7765 2006-01-18 Ben Elliston <bje@au.ibm.com>
7767 * Makefile.in (D32PBIT_FUNCS): New.
7768 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7769 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7770 D64PBIT_FUNCS and D128PBIT_FUNCS.
7771 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7772 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7773 D128PBIT are set.
7774 (decnumber_dep): Define.
7775 * doc/libgcc.texi (Decimal float library routines): New node.
7776 * config/dfp-bit.h, config/dfp-bit.c: New files.
7778 2006-01-18 Ben Elliston <bje@au.ibm.com>
7780 * expr.c (emit_move_change_mode): Always adjust addresses, not
7781 just during reload. Copy replacements only during reload.
7782 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7783 emit_move_via_integer.
7785 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7787 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7788 instead of $(srcdir) and ${srcdir}.
7790 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7792 PR target/592
7793 PR middle-end/11135
7794 * arm.h (struct machine_function): Add pic_reg.
7795 * arm.c (arm_pic_register): Make unsigned.
7796 (arm_override_options): Only set arm_pic_register if
7797 TARGET_SINGLE_PIC_BASE.
7798 (use_return_insn): Only test for a pic register if it is fixed.
7799 (arm_compute_save_reg0_reg12_mask): Likewise.
7800 (thumb_compute_save_reg_mask): Likewise.
7801 (legitimate_pic_operand): Factor out some known invariants.
7802 (legitimize_pic_address): If we don't have a fixed pic register,
7803 then set up a pseudo in the function entry sequence. Handle the
7804 pic base being in a pseudo.
7805 (arm_load_pic_register): Handle the pic register being in a pseudo.
7806 (arm_expand_prologue): Only set up the pic register if it is fixed.
7807 (thumb_expand_prologue): Likewise.
7808 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7809 (pic_load_addr_based_insn): Likewise.
7810 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7811 fixed.
7813 2006-01-18 Ben Elliston <bje@au.ibm.com>
7815 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7816 decimal float modes for all floating point registers.
7818 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7819 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7821 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7823 PR c/25682
7824 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7825 even when the pointer is not NULL.
7827 2006-01-16 Ian Lance Taylor <ian@airs.com>
7829 * common.opt (ftoplevel-reorder): New option.
7830 * cgraph.c (cgraph_asm_nodes): New global variable.
7831 (cgraph_asm_last_node): New static variable.
7832 (cgraph_order): New global variable.
7833 (cgraph_create_node): Set new order field.
7834 (cgraph_varpool_node): Likewise.
7835 (decide_is_variable_needed): Return true if not
7836 flag_toplevel_reorder.
7837 (cgraph_add_asm_node): New function.
7838 * cgraph.h (struct cgraph_node): Add order field.
7839 (struct cgraph_varpool_node): Add order field.
7840 (struct cgraph_asm_node): Define.
7841 (cgraph_asm_nodes, cgraph_order): Declare.
7842 (cgraph_add_asm_node): Declare.
7843 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7844 function.
7845 (cgraph_varpool_assemble_pending_decls): Call it.
7846 (cgraph_output_pending_asms): New static function.
7847 (cgraph_finalize_compilation_unit): Call it.
7848 (struct cgraph_order_sort): Define.
7849 (cgraph_output_in_order): New static function.
7850 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7851 !flag_toplevel_reorder case.
7852 * c-parser.c: Include "cgraph.h".
7853 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7854 assemble_asm.
7855 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7856 than -fno-unit-at-a-time.
7857 * doc/invoke.texi (Option Summary): Mention
7858 -fno-toplevel-reorder.
7859 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7860 -funit-at-a-time documentation.
7862 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7863 Kazu Hirata <kazu@codesourcery.com>
7865 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7867 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7869 * Makefile.in (FUNCTION_H): New. Use it instead of
7870 function.h throughout the file.
7871 * function.h: Include tree.h.
7873 2006-01-17 Ben Elliston <bje@au.ibm.com>
7875 * recog.c: Separate some functions with whitespace.
7877 2006-01-16 Richard Henderson <rth@redhat.com>
7879 Merge from gomp branch:
7880 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7881 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7882 and rename from struct inline_data. Rename callee* to dst*;
7883 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7884 transform_new_cfg, transform_return_to_modify, and
7885 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7886 update_clones_p.
7887 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7888 (copy_decl_for_dup): Remove.
7889 * tree-inline.c (struct inline_data): Move to header.
7890 (insert_decl_map): Export.
7891 (remap_decl): Update for member name changes. Use copy_decl hook.
7892 Allow for replacement to be a non-decl. Remove dead code.
7893 (remap_type_1): Check for existing mapping.
7894 (remap_type): Export.
7895 (remap_decls): Update for member name changes.
7896 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7897 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7898 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7899 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7900 (tree_function_versioning, build_duplicate_type): Likewise.
7901 (copy_body_r): Likewise. Export.
7902 (copy_decl_for_dup): Split into ...
7903 (copy_decl_for_dup_finish, copy_decl_to_var,
7904 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7905 (replace_ref_tree, inlining_p): Remove.
7907 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7909 * ifcvt.c (if_convert): Make it static.
7910 * rtl.h: Remove the prototype for if_convert.
7912 * local-alloc.c (local_alloc): Make it static.
7913 * rtl.h: Remove the prototype for local_alloc.
7915 * loop.c (loop_optimize): Make it static.
7916 * cfgloop.h: Remove the prototype for loop_optimize.
7917 * rtl.h: Likewise.
7919 2006-01-16 DJ Delorie <dj@redhat.com>
7921 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7922 mems.
7924 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7926 * pa.md: Disparage copies between general and floating-point registers
7927 in 32-bit move patterns.
7929 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7931 PR testsuite/25741
7932 * Makefile.in (check-%): Depend on site.exp instead of
7933 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7934 directories.
7936 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7938 * global.c (global_alloc): Make it static.
7939 * rtl.h: Remove the prototype for global_alloc.
7941 2006-01-16 Richard Guenther <rguenther@suse.de>
7943 * tree-ssa-alias.c (struct used_part): Add write_only field.
7944 (get_or_create_used_part_for): Initialize it to true.
7945 (create_overlap_variables_for): Don't create structure variables
7946 for structures that only are written to.
7947 (find_used_portions): Handle MODIFY_EXPR to track whether a
7948 structure is only written to.
7950 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7952 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7953 static.
7954 * basic-block.h: Remove the prototype for
7955 partition_hot_cold_basic_blocks.
7957 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7959 * cppspec.c (lang_specific_spec_functions): Remove.
7960 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7961 * gcc.h (lang_specific_spec_functions): Remove.
7962 * gccspec.c (lang_specific_spec_functions): Remove.
7964 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7966 * combine.c (record_value_for_reg): Invalidate registers
7967 if INSN is null.
7968 (record_dead_and_set_regs_1): Likewise, by passing them to
7969 record_value_for_reg.
7970 (record_dead_and_set_regs): Invalidate stores made by a
7971 call. We do not combine across a call, but we still
7972 relied on equivalences.
7974 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7976 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7977 vrp_int_const_binop returning non-constant nodes.
7979 2006-01-16 Paul Brook <paul@codesourcery.com>
7981 * config/m68k/m68k.c (output_move_const_into_data_reg):
7982 Output correct mnemonic for mvz and mvs.
7984 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7986 * rtl-factoring.c: Add sequence abstraction algorithm.
7987 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7988 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7989 ABNORMAL edges.
7990 (block_has_preserve_label): New function.
7991 * common.opt: Register new pass.
7992 * Makefile.in: Ditto.
7993 * passes.c: Ditto.
7994 * timevar.def: Ditto.
7995 * tree-pass.h: Ditto.
7996 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7997 * rtl.h (make_jump_insn_raw): Add forward decl.
7998 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8000 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8001 Roger Sayle <roger@eyesopen.com>
8003 * fold-const.c (fold_minmax): New static function.
8004 (fold_binary) <MIN_EXPR>: Call it.
8005 <MAX_EXPR>: Likewise.
8006 * stor-layout.c (place_field): Use DECL_SIZE consistently
8007 in the computation of the new record size.
8009 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8011 * cse.c (cse_condition_code_reg): Make it static.
8012 * rtl.h: Remove the prototype for cse_condition_code_reg.
8014 * combine.c (combine_instructions): Make it static.
8015 * rtl.h: Remove the prototype for combine_instructions.
8017 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8019 PR target/25168
8020 * tree.c (get_file_function_name_long): Concatenate the first global
8021 object name with a string derived from the input filename of the object
8022 for type "F".
8024 2006-01-16 Ben Elliston <bje@au.ibm.com>
8026 * config/i386/winnt-stubs.c: Update FSF address.
8027 * config/xtensa/ieee754-df.S: Ditto.
8028 * config/xtensa/ieee754-sf.S: Ditto.
8030 2006-01-14 Ian Lance Taylor <ian@airs.com>
8032 * ifcvt.c (noce_init_if_info): New static function, broken out of
8033 noce_process_if_block.
8034 (noce_process_if_block): Call noce_init_if_info.
8035 (check_cond_move_block): New static function.
8036 (cond_move_process_if_block): New static function.
8037 (process_if_block): Call cond_move_process_if_block.
8039 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8041 * cselib.c (hash_table): Rename to cselib_hash_table.
8042 (cselib_clear_table, discard_useless_values,
8043 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8044 cselib_init, cselib_finish): Adjust uses of hash_table.
8046 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8048 PR tree-optimization/25485
8049 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8050 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8051 is known to be false and true, respectively.
8053 2006-01-14 Richard Guenther <rguenther@suse.de>
8055 PR tree-optimization/22548
8056 PR tree-optimization/22555
8057 PR tree-optimization/22501
8058 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8059 * params.def (salias-max-array-elements): New parameter.
8060 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8061 * doc/invoke.texi (salias-max-array-elements): Document.
8062 * tree-flow-inline.h (var_can_have_subvars): We also handle
8063 arrays now.
8064 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8065 COMPONENT_REF.
8066 * tree-ssa-structalias.c (params.h): Include.
8067 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8068 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8069 (get_constraint_for): For ADDR_EXPR operating on something
8070 containing an ARRAY_REF, add all subvars to the solution.
8071 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8072 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8073 for creating MUST_DEFs.
8074 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8076 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8078 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8079 functions.
8080 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8081 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8082 number_of_iterations_le): New functions.
8083 (number_of_iterations_special): Removed.
8084 (number_of_iterations_exit): Do not use number_of_iterations_special.
8085 * tree.c (unsigned_type_for): Always return integer type.
8087 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8088 Richard Guenther <rguenther@suse.de>
8090 PR rtl-optimization/24257
8091 * gcse.c (find_moveable_store): Only consider a store movable
8092 when the SET_SRC of the insn can be assigned to a register.
8094 2006-01-14 Ian Lance Taylor <ian@airs.com>
8096 * tree.c (tree_not_class_check_failed): New function.
8097 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8098 (tree_not_class_check_failed): Declare.
8100 2006-01-13 Ian Lance Taylor <ian@airs.com>
8102 * reload1.c (do_output_reload): Add assertion rejecting a
8103 CALL_INSN.
8105 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8107 * combine.c (struct reg_stat): Add new fields truncation_label and
8108 truncated_to_mode.
8109 (record_value_for_reg): Reset truncated_to_mode.
8110 (record_truncated_value): New function.
8111 (check_promoted_subreg): Call it. Rename to check_conversions.
8112 (combine_instructions): Rename check_promoted_subreg to
8113 check_conversions.
8114 (reg_truncated_to_mode): New function.
8115 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8116 (gen_lowpart_or_truncate): New function.
8117 (force_to_mode): Use it instead of gen_lowpart.
8119 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8121 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8122 VAR is a tag, not its type tag.
8124 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8126 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8127 alternatives to match style of other entries.
8128 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8130 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8132 PR tree-optimization/25771
8133 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8134 SSA_NAMES.
8136 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8138 PR tree-opt/24365
8139 * tree-inline.c (declare_return_variable): If the return variable
8140 was marked as a non gimple complex, set the return slot variable
8141 to be a non gimple comple variable.
8143 2006-01-13 Richard Guenther <rguenther@suse.de>
8145 * builtins.c (expand_builtin_sincos): New function.
8146 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8147 do not set errno.
8148 (expand_builtin): Expand sincos using expand_builtin_sincos.
8150 2006-01-12 DJ Delorie <dj@redhat.com>
8152 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8153 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8154 so that constant shifts can be split.
8155 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8156 (m32c_valid_pointer_mode): Make static.
8157 (shift_gen_func_for): New.
8158 (m32c_prepare_shift): Use it. Split large const shifts into
8159 multiple shifts.
8160 * config/m32c/predicates.md (shiftcount_operand): Allow more
8161 general operands.
8162 (longshiftcount_operand): New.
8163 * doc/md.texi (Machine Constraints): Document In6.
8165 2006-01-13 Ben Elliston <bje@au.ibm.com>
8167 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8168 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8169 documentation.
8171 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8173 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8174 to try to avoid clobbering pieces of structures when we know
8175 something about the whole structure.
8176 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8178 2006-01-13 Ben Elliston <bje@au.ibm.com>
8180 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8181 return in memory, as this is no limitation is no longer present.
8183 2006-01-12 DJ Delorie <dj@redhat.com>
8185 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8186 mova with fb, and for fb+0 -> An.
8188 * config/m32c/mov.md (peephole2): Fix enabling logic.
8190 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8191 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8192 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8193 FINI_ARRAY_SECTION_ASM_OP): Define.
8195 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8196 variable.
8197 (m32c_legitimize_reload_address): New logic to reload FB to An.
8198 (m32c_output_reg_push): Add newline.
8199 (m32c_output_reg_pop): Likewise.
8201 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8203 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8205 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8207 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8209 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8211 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8212 match_code.
8214 2006-01-11 Ben Elliston <bje@au.ibm.com>
8216 * rtlanal.c (find_reg_note): Assert insn is not null.
8218 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8220 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8221 ifdef.
8223 2006-01-11 Jeff Law <law@redhat.com>
8225 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8226 hold edge pairs.
8227 (mark_threaded_blocks, register_jump_thread): New functions.
8228 (thread_through_all_blocks): Remove unwanted argument. No
8229 longer rely on e->aux to communicate thread target info.
8230 Call mark_threaded_blocks. Release the threaded_blocks
8231 bitmap and threaded_edges vector when complete.
8232 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8233 (threaded_blocks): Remove.
8234 (tree_ssa_dominator_optimize): Remove initialization and
8235 finalization of threaded_blocks. Simplify call to
8236 thread_through_all_blocks.
8237 (thread_across_edge): Call register_jump_thread rather than
8238 storing thread information into e->aux.
8239 (free_all_edge_infos): Simplify now that e->aux is no longer
8240 used to communicate with thread_through_all_blocks.
8241 * tree-flow.h (thread_through_all_blocks): Update prototype.
8242 (register_jump_thread): Prototype.
8244 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8246 * df-core.c (df_compact_blocks, df_bb_replace): Use
8247 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8249 2006-01-11 Richard Guenther <rguenther@suse.de>
8251 PR tree-optimization/25734
8252 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8253 stop propagation after successful propagation to the LHS.
8255 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8257 * basic-block.h (control_flow_graph): Change the type of
8258 x_basic_block_info to VEC(basic_block,gc) *.
8259 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8260 basic_block_info.
8261 (SET_BASIC_BLOCK): New.
8262 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8263 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8264 * cfgbuild.c (find_basic_blocks): Likewise.
8265 * cfglayout.c (fixup_reorder_chain): Likewise.
8266 * cfgrtl.c (create_basic_block_structure,
8267 rtl_create_basic_block): Likewise.
8268 * ifcvt.c (find_if_case_1): Likewise.
8269 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8270 Likewise.
8272 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8274 * Makefile.in: Removed rotted odf.c entry.
8276 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8278 PR target/25706
8279 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8280 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8281 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8282 output pattern modifier, not %e.
8283 * config/cris/cris.c (cris_op_str): Update comment about pattern
8284 modifier.
8285 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8286 before falling through into...
8287 <case 'E'>: Redefined from old 'e' case.
8289 2006-01-11 Jan Hubicka <jh@suse.cz>
8291 PR target/25042
8292 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8294 2006-01-11 Jan Hubicka <jh@suse.cz>
8296 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8297 * i386.c (x86_decompose_lea): Kill.
8298 (ix86_rtx_costs): Kill.
8300 2006-01-11 Jan Hubicka <jh@suse.cz>
8302 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8303 * cgraph.h (cgraph_node): Add inline_decl.
8304 (cgraph_insert_node_to_hashtable): Declare.
8305 (save_inline_function_body): Declare.
8306 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8307 clones.
8308 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8309 (cgraph_function_versioning): Update call of tree_function_versioning.
8310 (save_inline_function_body): New function.
8311 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8312 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8313 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8314 (cgraph_default_inline_p): Likewise.
8315 (cgraph_decide_inlining_incrementally): Likewise.
8316 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8317 (copy_bb): Kill saving; do updating of clones.
8318 (copy_cfg_body): Kill saving.
8319 (initialize_inlined-parameters): Likewise.
8320 (expand_call_inline): Likewise.
8321 (save_body): Kill.
8322 (tree_function_versioning): New parameter "update_clones".
8323 (inlining_p): Kill saving.
8324 * tree-inline.h (tree_function_versioning): Update prototype.
8325 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8326 saving.
8328 2006-01-11 Ian Lance Taylor <ian@airs.com>
8330 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8331 Allow undoing set of machine mode.
8332 (do_SUBST): Use enums instead of is_int.
8333 (do_SUBST_MODE): New function.
8334 (SUBST_MODE): New macro.
8335 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8336 reg and trying to replace reg_regno_rtx with a new register.
8337 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8338 (simplify_set): Use SUBST_MODE.
8339 (distribute_notes): Remove code that tried to update reg notes
8340 for regno_reg_rtx changes.
8342 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8344 PR tree-optimization/23109
8345 PR tree-optimization/23948
8346 PR tree-optimization/24123
8348 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8349 * tree-cfg.c (single_noncomplex_succ): New.
8350 * tree-flow.h (single_noncomplex_succ): Declare it.
8351 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8352 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8353 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8354 insert_bb, register_division_in, insert_reciprocals,
8355 replace_reciprocal, free_bb): New.
8356 (execute_cse_reciprocals_1): Rewritten.
8357 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8358 Do not commit any edge insertion. Always compute dominators and
8359 create the allocation pool.
8360 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8361 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8362 * targhooks.c (default_min_divistions_for_recip_mul): New.
8363 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8364 * passes.c (init_optimization_passes): Run recip after tree loop
8365 optimizations.
8366 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8368 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8369 Kenneth Zadeck <zadeck@naturalbridge.com>
8371 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8372 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8373 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8374 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8375 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8376 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8377 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8378 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8379 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8380 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8381 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8382 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8383 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8384 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8385 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8386 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8387 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8388 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8389 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8390 DF_SCAN_POST_ALLOC): New macros.
8391 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8392 df_free_bb_function, df_local_compute_function, df_init_function,
8393 df_dataflow_function, df_confluence_function_0,
8394 df_confluence_function_n, df_transfer_function,
8395 df_finalizer_function, df_free_function, df_dump_problem_function,
8396 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8397 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8398 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8399 df_urec_bb_info, ) New types.
8400 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8401 variables.
8402 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8403 df_analyze_simple_change_some_blocks,
8404 df_analyze_simple_change_one_block, df_compact_blocks,
8405 df_bb_replace, df_bb_regno_last_use_find,
8406 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8407 df_insn_regno_def_p, df_find_def, df_find_use,
8408 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8409 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8410 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8411 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8412 debug_df_chain, df_get_dependent_problem, df_chain_create,
8413 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8414 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8415 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8416 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8417 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8418 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8419 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8420 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8421 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8422 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8423 df_reorganize_refs, df_set_state, df_hard_reg_init,
8424 df_read_modify_subreg_p) New public functions.
8425 * df-core.c: The core dataflow solver and glue routines for rtl
8426 dataflow.
8427 (df_init, df_add_problem, df_set_blocks, df_finish,
8428 df_hybrid_search_forward, df_hybrid_search_backward,
8429 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8430 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8431 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8432 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8433 df_reg_defined, df_find_use, df_reg_used, df_dump,
8434 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8435 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8436 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8437 debug_df_useno, reset_df_after_reload): New functions.
8438 * df-scan.c: The scanning fuctions, once in df.c, completely
8439 rewritten so that they now fully model the functionality of
8440 register usage at the backend.
8441 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8442 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8443 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8444 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8445 df_get_artificial_defs, df_get_artificial_uses,
8446 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8447 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8448 df_refs_delete, df_reorganize_refs, df_set_state,
8449 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8450 df_def_record_1, df_defs_record, df_uses_record,
8451 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8452 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8453 df_record_exit_block_uses, df_hard_reg_init): New functions.
8455 * df-problems.c: Seven concrete dataflow problems that use the
8456 scanning in df-scan.c and are solved by the engine in df-core.c.
8457 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8458 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8459 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8460 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8461 df_ru_free_bb_info, df_ru_alloc,
8462 df_ru_bb_local_compute_process_def,
8463 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8464 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8465 df_ru_transfer_function, df_ru_free, df_ru_dump,
8466 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8467 df_rd_free_bb_info, df_rd_alloc,
8468 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8469 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8470 df_rd_transfer_function, df_rd_free, df_rd_dump,
8471 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8472 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8473 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8474 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8475 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8476 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8477 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8478 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8479 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8480 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8481 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8482 df_urec_mark_reg_use_for_earlyclobber,
8483 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8484 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8485 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8486 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8487 df_chain_create_bb_process_use, df_chain_create_bb,
8488 df_chain_finalize, df_chain_free, df_chains_dump,
8489 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8490 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8491 df_reg_lifetime): New functions.
8492 * df.c: Deleted file.
8493 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8494 consistent with new df api.
8495 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8496 rest_of_handle_sms): Ditto.
8497 * web.c (unionfind_union, union_defs, entry_register, web_main):
8498 Ditto.
8499 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8500 invariant_expr_equal_p, find_defs, check_dependencies,
8501 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8502 free_inv_motion_data, move_loop_invariants): Ditto.
8503 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8504 Update dependencies.
8505 (odf.c): Added defective entry that was deleted later in day.
8506 * sched-deps.c (sched_analyze_1): Ditto.
8508 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8510 * tree-ssa-operands.c (get_expr_operands): Record addressable
8511 variables directly. Do not call add_stmt_operands for CONST_DECLs
8512 and ARRAY_DECLs.
8513 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8514 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8516 2006-01-11 Ben Elliston <bje@au.ibm.com>
8518 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8519 function returns true in the positive case.
8521 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8523 PR target/20754
8524 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8525 for SI, DI, SF and DF modes. Add alternatives to copy between
8526 general and floating point registers to the 32-bit patterns.
8527 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8528 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8529 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8530 generating 64-bit code.
8531 * config/pa/pa.c (output_move_double): Handle copies between general
8532 and floating registers.
8534 2006-01-10 Stuart Hastings <stuart@apple.com>
8536 * config/i386/i386.md (set_got): Update.
8537 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8538 (builtin_setjmp_receiver): Mach-O support.
8539 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8540 (GOT_SYMBOL_NAME): Define.
8541 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8542 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8543 * config/i386/i386.c (override_options): Revise for Darwin.
8544 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8545 support. (darwin_x86_file_end): New. (output_set_got): Add label
8546 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8547 * config/i386/i386-protos.h (output_set_got): Likewise.
8548 * config/darwin.c (machopic_legitimize_pic_address): Update
8549 regs_ever_live[].
8551 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8553 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8554 when MODE isn't BLKmode.
8556 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8558 PR rtl-optimization/25367
8559 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8561 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8563 PR target/25718
8564 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8565 for a negative bound.
8567 2006-01-10 Richard Guenther <rguenther@suse.de>
8569 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8570 Never override with anything constraint.
8572 2006-01-10 Jan Beulich <jbeulich@novell.com>
8574 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8575 256 bits when optimize_size.
8577 2006-01-10 Jan Beulich <jbeulich@novell.com>
8579 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8580 MASK_ALIGN_DOUBLE.
8581 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8582 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8583 arguments.
8585 2006-01-10 Ben Elliston <bje@au.ibm.com>
8587 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8588 float modes.
8589 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8590 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8591 (USE_FP_FOR_ARG): Reject decimal float modes.
8592 (function_arg_advance): Likewise.
8593 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8594 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8595 point types in AltiVec vectors.
8596 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8597 (rs6000_libcall_value): Likewise.
8599 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8601 * config/xtensa/ieee754-df.S: New file.
8602 * config/xtensa/ieee754-sf.S: New file.
8603 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8604 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8605 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8607 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8609 * config/sh/predicates.md (binary_float_operator,
8610 binary_logical_operator, commutative_float_operator,
8611 equality_comparison_operator, greater_comparison_operator,
8612 less_comparison_operator, logical_operator,
8613 noncommutative_float_operator, shift_operator,
8614 symbol_ref_operand, unary_float_operator): Remove redundant
8615 conditionals.
8617 2006-01-09 Jeff Law <law@redhat.com>
8619 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8620 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8621 now unused arguments. Callers updated.
8622 (eliminate_redundant_computations): Remove now unused arguments,
8623 callers updated.
8624 (local_fold): Remove, no longer used.
8625 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8626 and moved to...
8627 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8628 (simplify_cond): New function.
8629 (forward_propagate_into_cond): Call simplify_cond.
8631 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8633 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8634 (*vec_extractv2di_1_sse): New.
8636 2006-01-09 Ben Elliston <bje@au.ibm.com>
8638 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8640 2006-01-08 Richard Guenther <rguenther@suse.de>
8642 * tree-ssa-structalias.c (get_constraint_for): Remove
8643 anyoffset argument.
8644 (get_constraint_for_component_ref): Likewise.
8645 (do_deref): Likewise.
8646 (get_constraint_for): Likewise.
8647 (do_structure_copy): Likewise.
8648 (handle_ptr_arith): Likewise.
8649 (find_func_aliases): Likewise. Remove unused need_anyoffset
8650 variable.
8652 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8653 Kaz Kojima <kkojima@gcc.gnu.org>
8655 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8656 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8657 (EXTRA_CONSTRAINT_C16): Remove.
8658 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8659 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8660 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8661 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8662 constants of SHmedia. Handle nested constant expressions of
8663 SHmedia correctly.
8664 (andcosts): Fix the costs for SHmedia constants.
8665 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8666 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8667 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8668 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8669 (movv4hi_i, movv2si_i): Likewise.
8670 (movsi_const): Adjust the second operand of ior so to match with
8671 the Csu constraint.
8672 (movdi_const, movdi_const_32bit): Likewise.
8673 (movdi_const_16bit+1): Don't sign-extend LOW.
8674 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8675 step.
8676 (*double_shori): Fix the split condition. Use GEN_INT instead
8677 of get_int_mode calls. Mask lower 16-bit of the argument of
8678 the last GEN_INT.
8679 (sym2GOTPLT): Remove.
8680 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8681 gen_rtx_UNSPEC.
8682 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8683 instead of EXTRA_CONSTRAINT_C16.
8685 2006-01-07 Ian Lance Taylor <ian@airs.com>
8686 David Edelsohn <edelsohn@gnu.org>
8688 PR rtl-optimization/25662
8689 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8690 for constant operands instead of simplify_gen_binary.
8691 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8692 after trying simplify_binary_operation
8694 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8696 * tree.c (iterative_hash_expr): Hash decls based on UID.
8698 2006-01-06 Eric Christopher <echristo@apple.com>
8700 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8701 (TARGET_UNWIND_EMIT): Fix spelling.
8702 * target.h (gcc_target): Add except_table_label.
8703 * except.c (output_function_exception_table): Use.
8704 * varasm.c (default_emit_except_table_label): New.
8705 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8706 define.
8707 (asm_out): Add here.
8708 * output.h (default_emit_except_table_label): Prototype.
8709 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8710 * config/darwin.c (darwin_emit_except_table_label): Define.
8711 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8713 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8715 PR tree-optimization/18527
8716 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8717 number_of_iterations_special, number_of_iterations_exit):
8718 Move base and step of an iv to a single structure. Add
8719 no_overflow flag, and use it in # of iterations analysis.
8720 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8721 folded_casts argument.
8722 (simple_iv): Pass base and step in a structure. Set no_overflow
8723 flag.
8724 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8725 Evaluate expensiveness of computing # of iterations instead of
8726 the final expression.
8727 * tree-scalar-evolution.h (affine_iv): New structure.
8728 (simple_iv): Declaration changed.
8729 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8730 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8731 find_givs_in_stmt): Changed due to simple_iv change.
8733 2006-01-06 Jeff Law <law@redhat.com>
8735 PR ada/24994
8736 * tree-cfg.c (bsi_replace): Rename final argument from
8737 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8738 change (stmt -> orig_stmt).
8739 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8740 (bsi_remove): Add new argument. Remove EH information
8741 if requested.
8742 (verify_eh_throw_table_statements): New function.
8743 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8744 updated.
8745 * tree-optimize.c (execute_free_cfg_annotations): Verify
8746 the EH throw statement table after removing annotations.
8747 * except.h (verify_eh_throw_table_statements): Prototype.
8748 * tree-flow.h (bsi_remove): Update prototype.
8749 * tree-vrp.c (remove_range_assertions): Add new argument to
8750 bsi_remove call.
8751 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8752 * tree-complex.c (expand_complex_div_wide): Likewise.
8753 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8754 * tree-tailcall.c (eliminate_tailcall): Likewise.
8755 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8756 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8757 * tree-nrv.c (tree_nrv): Likewise.
8758 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8759 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8760 (combine_blocks): Likewise.
8761 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8762 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8763 (cleanup_control_flow): Likewise.
8764 (remove_forwarder_block): Likewise.
8765 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8766 * tree-sra.c (sra_replace): Likewise.
8767 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8768 (forward_propagate_single_use_vars): Likewise.
8769 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8770 * tree-inline.c (expand_call_inline): Likewise.
8771 * tree-vect-transform.c (vect_transform_loop): Likewise.
8772 * tree-outof-ssa.c (rewrite_trees): Likewise.
8773 * tree-cfg.c (make_goto_expr_edges): Likewise.
8774 (cleanup_dead_labels): Likewise.
8775 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8776 (bsi_move_before, bsi_move_after): Likewise.
8777 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8778 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8780 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8782 PR tree-opt/25528
8783 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8784 and IMAGPART_EXPR.
8785 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8786 on non gimple variables. Also add checks at the top for decls and
8787 mtags.
8788 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8789 complex types.
8790 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8791 and IMAGPART_EXPR for creating MUST_DEFs.
8792 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8793 and NAME_MEMORY_TAG separately from the DECLs.
8795 2006-01-06 Richard Guenther <rguenther@suse.de>
8797 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8798 annotation, if necessary.
8799 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8800 redundant calls to update_stmt.
8801 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8802 Likewise.
8804 2006-01-05 Richard Henderson <rth@redhat.com>
8806 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8808 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8810 * c-typeck.c: Update copyright date.
8812 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8814 * c-typeck.c (build_c_cast): Always warn when casting
8815 from a pointer to an integer of different size, even if
8816 the node was constant.
8818 2006-01-05 Richard Guenther <rguenther@suse.de>
8820 PR tree-optimization/22555
8821 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8822 if one structure field is an array.
8823 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8824 operands even if we found a subvar, but ignore VOPs in this
8825 case.
8826 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8827 for renaming.
8828 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8830 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8832 PR middle-end/24998
8833 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8835 2006-01-05 Richard Guenther <rguenther@suse.de>
8836 Diego Novillo <dnovillo@redhat.com>
8838 * tree-pass.h (TODO_remove_unused_locals): Define.
8839 * gimple-low.c (expand_var_p, remove_useless_vars,
8840 pass_remove_useless_vars): Remove. Update all users.
8841 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8842 (remove_unused_locals): New function.
8843 * tree-flow.h (remove_unused_locals): Declare.
8844 * passes.c (execute_todo): Call remove_unused_locals if
8845 TODO_remove_unused_locals is set.
8846 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8847 * tree-ssa-dce.c (pass_dce): Likewise.
8848 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8850 2006-01-05 Richard Guenther <rguenther@suse.de>
8852 * tree-flow.h (struct fieldoff): Decompose field to
8853 type, size and decl.
8854 * tree-ssa-alias.c (create_sft): Take type as parameter.
8855 (create_overlap_variables_for): Store type, size and decl
8856 in the fieldoff structure.
8857 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8858 of struct fieldoff.
8859 (push_fields_onto_fieldstack): Likewise.
8860 (create_variable_info_for): Likewise. Use offset for the
8861 SFT name if the decl is not available.
8863 2006-01-04 Paul Brook <paul@codesourcery.com>
8865 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8867 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8869 * lambda-code.c (can_put_in_inner_loop): Relax
8870 restrictions.
8871 (can_put_after_inner_loop): New function.
8872 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8873 (perfect_nestify): Change to make copies and modify uses.
8875 2006-01-04 Richard Henderson <rth@redhat.com>
8877 Merge from gomp branch:
8878 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8879 via integer constant.
8880 (pragma_lex): Remove.
8881 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8882 rather than parsing it.
8883 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8884 handle_pragma_extern_prefix): Add %< %> quotes.
8885 (registered_pragmas): New.
8886 (c_register_pragma_1): New.
8887 (c_register_pragma): Use it.
8888 (c_register_pragma_with_expansion): Likewise.
8889 (c_invoke_pragma_handler): New.
8890 (init_pragma): Use cpp_register_deferred_pragma directly for
8891 pch_preprocess.
8892 * c-pragma.h (enum pragma_kind): New.
8893 (pragma_handler): New.
8894 (c_invoke_pragma_handler): Declare.
8895 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8896 CPP_PRAGMA_EOL.
8897 * c-common.h (c_common_pch_pragma): Update decl.
8898 * Makefile.in (c-parser.o): Update dependencies.
8899 (GTFILES): Add c-pragma.h.
8900 * c-parser.c (struct c_token): Add pragma_kind.
8901 (struct c_parser): Add in_pragma.
8902 (c_lex_one_token): Always initialize keyword and pragma_kind.
8903 Extract data for CPP_PRAGMA.
8904 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8905 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8906 Don't allow CPP_PRAGMA_EOL if in_pragma.
8907 (c_parser_consume_pragma): New.
8908 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8909 (c_parser_skip_to_end_of_parameter): Likewise.
8910 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8911 (c_parser_skip_to_pragma_eol): New.
8912 (c_parser_external_declaration): Handle CPP_PRAGMA.
8913 (c_parser_compound_statement_nostart): Likewise.
8914 (c_parser_statement_after_labels): Likewise.
8915 (c_parser_pragma): New.
8916 (pragma_lex): Likewise.
8917 (c_parser_pragma_pch_preprocess): New.
8918 (c_parser_new): Merge into ...
8919 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8921 2006-01-04 Jeff Law <law@redhat.com>
8923 PR ada/24994
8924 * tree-cfg.c (bsi_replace): Remove the original statement
8925 from the EH throw statement table.
8927 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8929 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8930 make the prototype extern "C" and add throw ().
8932 PR target/25554
8933 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8934 and pos non-negative and pos + len <= 32.
8935 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8936 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8937 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8939 PR c/25559
8940 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8941 as well as sizes not multiple of component size.
8943 PR debug/25562
8944 * function.c (instantiate_expr): New function.
8945 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8946 walk its DECL_VALUE_EXPR with instantiate_expr.
8948 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8949 DW_OP_deref{,_size} if address isn't going to be added.
8951 2006-01-04 Ben Elliston <bje@au.ibm.com>
8953 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8954 * config/fp-bit.c: Likewise.
8956 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8958 * dominance.c: Add comment about why we use DFS numbering
8959 of dominance tree.
8961 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8962 Richard Henderson <rth@redhat.com>
8964 Merge from gomp-branch:
8965 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8966 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8968 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8970 PR rtl-optimization/25578
8971 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8972 pass a parameter to simplify_shift_const if changing ASHIFTRT
8973 to LSHIFTRT.
8975 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8977 * builtins.c (get_builtin_sync_mem): New function.
8978 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8979 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8980 Call get_builtin_sync_mem to generate mem rtx.
8982 2006-01-03 Richard Guenther <rguenther@suse.de>
8984 PR c/25183
8985 * stmt.c (add_case_node): Make sure to clear overflow flags
8986 from ranges.
8988 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8990 Merge from gomp-branch.
8991 * config/sparc/sync.md: New file.
8992 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8993 UNSPECV_LDSTUB): New constants.
8994 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8995 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8996 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8997 prototype.
8999 2006-01-03 Roger Sayle <roger@eyesopen.com>
9001 * combine.c (reg_subword_p): New predicate to test whether the
9002 destination of a set refers to a subword/piece of a register.
9003 (try_combine): Generalize the code to merge the setting of a
9004 pseudo to a constant followed by a set of a subword of that
9005 register to a constant.
9007 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9009 * basic-block.h (control_flow_graph): Change the type of
9010 x_label_to_block_map to VEC(basic_block,gc) *.
9011 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9012 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9014 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9015 VEC(basic_block,heap) *.
9016 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9017 ssa_prop_fini): Adjust the uses of cfg_blocks.
9019 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9021 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9022 COMPONENT_REFs.
9023 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9024 hashing trees instead of a pointer hash.
9025 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9026 compare for MEM_EXPR.
9028 PR rtl-optimization/25130
9029 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9030 when comparing MEMs for GCSE
9032 2006-01-03 Ben Elliston <bje@au.ibm.com>
9034 * targhooks.h (default_decimal_float_supported_p): Declare.
9035 * targhooks.c (default_decimal_float_supported_p): Define.
9036 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9037 `default_decimal_float_supported_p'.
9038 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9040 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9042 * combine.c (apply_distributive_law <SUBREG>): Check
9043 TRULY_NOOP_TRUNCATION.
9045 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9047 * dwarf2out.c (have_switched_text_section): Delete.
9048 (have_multiple_function_sections): New.
9049 (have_location_lists): Make 'bool'.
9050 (add_AT_loc_list): Use 'true' not '1'.
9051 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9052 (output_loc_list): Use have_multiple_function_sections.
9053 (output_ranges): Likewise.
9054 (dwarf2out_begin_function): Set have_multiple_function_sections if
9055 necessary.
9056 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9057 Check function_section rather than DECL_SECTION_NAME.
9058 (dwarf2out_finish): Use have_multiple_function_sections.
9059 Don't clear have_location_lists.
9061 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9062 Jan Hubicka <jh@suse.cz>
9064 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9065 case of conditional jump jumping to the next instruction.
9066 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9067 cases of conditional jump jumping to the next instruction.
9069 2006-01-02 Jan Hubicka <jh@suse.cz>
9071 * i386.c (*_cost): Add COSTS_N_INSNS.
9072 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9074 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9076 PR target/25259
9077 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9079 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9081 * config/arm/arm.c (all_fpus): Fix comment typo.
9082 * config/darwin.c: Likewise.
9083 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9084 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9085 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9087 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9089 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9090 (rs6000_split_compare_and_swapqhi): New.
9091 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9092 (sync_compare_and_swapqhi_internal): New.
9093 * config/rs6000/rs6000-protos.h: Declare.