1 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4 * tree-data-ref.c (find_data_references_in_loop,
5 compute_data_dependences_for_loop): Use pointers to VEC.
6 (analyze_all_data_dependences): Adjust calls.
7 * tree-data-ref.h (find_data_references_in_loop,
8 compute_data_dependences_for_loop): Adjust declarations.
9 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10 compute_data_dependences_for_loop.
12 2006-03-29 Paul Brook <paul@codesourcery.com>
14 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
17 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
19 PR tree-optimization/26859
20 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
22 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
23 for the step after fold_convert.
25 2006-03-29 Paul Brook <paul@codesourcery.com>
27 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
28 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
30 2006-03-29 Paul Brook <paul@codesourcery.com>
33 * targhooks.c (default_narrow_bitfield): New fuction.
34 * targhooks.h (default_narrow_bitfield): add prototype.
35 * target.h (gcc_target): Add narrow_volatile_bitfield.
36 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
37 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
38 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
39 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
41 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
43 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
45 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
46 (NR_C_MODES): Add TDmode, DDmode and SDmode.
47 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
48 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
49 (s390_function_arg_float): Allow SDmode and DDmode values to be
50 passed in floating point registers.
51 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
52 check with SCALAR_FLOAT_MODE_P.
53 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
55 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
57 PR tree-optimization/25985
58 * tree-ssa-loop-niter.c (number_of_iterations_le,
59 number_of_iterations_ne): Make comments more precise.
60 (number_of_iterations_cond): Add only_exit argument. Use the
61 fact that signed variables do not overflow only when only_exit
63 (loop_only_exit_p): New.
64 (number_of_iterations_exit): Pass result of loop_only_exit_p to
65 number_of_iterations_cond.
67 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
69 PR tree-optimization/26643
70 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
73 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
75 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
76 (divsi3_i4_int): Likewise.
78 2006-03-28 Roger Sayle <roger@eyesopen.com>
80 * expr.c (emit_group_store): Only create a new pseudo reg if the
81 quantity it needs to hold isn't already a suitable pseudo.
83 2006-03-28 Jeff Law <law@redhat.com>
85 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
86 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
88 2006-03-28 Roger Sayle <roger@eyesopen.com>
90 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
91 the equivalent ~X & Y, and the symmetry related transformations.
92 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
93 ~X & Y, and symmetry related transforms.
95 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
97 Revert my 2006-03-27 patches.
99 2006-03-28 Roger Sayle <roger@eyesopen.com>
101 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
102 ~(T1)X, when T1 and T2 are integer types of the same precision
103 and (T2)X isn't an extension.
105 2006-03-28 Jeff Law <law@redhat.com>
107 PR tree-optimization/26796
108 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
109 need EH edge cleanups rather than purging them immediately.
110 (eliminate_degenerate_phis): Handle queued EH cleanups.
112 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
114 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
117 2006-03-27 Roger Sayle <roger@eyesopen.com>
120 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
121 cast BIT_NOT_EXPR operand to the correct type.
123 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
125 * tree-loop-linear.c: Don't include varray.h.
126 (gather_interchange_stats, try_interchange_loops,
127 linear_transform_loops): Use VEC instead of VARRAY.
128 * lambda-mat.c: Don't include varray.h.
129 * tree-chrec.c: Same.
130 * lambda-trans.c: Same.
131 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
132 VEC instead of VARRAY.
133 * tree-vectorizer.h: Idem.
134 * tree-data-ref.c (dump_data_references,
135 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
136 initialize_data_dependence_relation, finalize_ddr_dependent,
137 compute_all_dependences, find_data_references_in_loop,
138 compute_data_dependences_for_loop, analyze_all_data_dependences,
139 free_dependence_relation, free_dependence_relations,
140 free_data_refs): Idem.
141 * tree-data-ref.h (data_reference_p, subscript_p): New.
142 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
143 VEC instead of VARRAY.
144 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
145 (find_data_references_in_loop, compute_data_dependences_for_loop,
146 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
147 dump_data_dependence_relations, free_dependence_relations,
148 free_data_refs): Adjust declaration.
149 (lambda_transform_legal_p): Move declaration here...
150 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
151 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
152 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
153 vect_analyze_data_refs): Use VEC instead of VARRAY.
154 * lambda.h (lambda_transform_legal_p): ...from here.
155 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
156 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
157 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
158 tree-chrec.o): Don't depend on VARRAY_H.
160 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
162 * rtl.def (Copyright): Update date.
163 (DEPS_LIST): Change type of the second operand to 'int'.
164 * target.h (Copyright): Update date.
165 (struct gcc_target.speculate_insn): Change type of the second parameter
167 * lists.c (Copyright): Update date.
168 (alloc_DEPS_LIST): Change signature. Update reference to the second
169 operand of the DEPS_LIST.
170 (copy_DEPS_LIST_list): Update reference to the second operand of the
172 * rtl.h (Copyright): Update date.
173 (alloc_DEPS_LIST): Update signature.
174 * sched-int.h (Copyright): Update date.
175 (ds_t): Change typedef to 'int'.
176 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
178 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
180 * haifa-sched.c (Copyright): Update date.
181 (try_ready): Change condition to restore non-speculative pattern
183 (process_insn_depend_be_in_spec): Code to keep probability of the
184 speculative dependence non-decreasing.
186 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
188 * regrename.c (replace_oldest_value_addr): Initialize a variable to
189 shut up the compiler.
191 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
193 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
194 to use lib prefix for target.
195 ($(T)libic_invalidate_array_4-200.a): Likewise.
196 ($(T)libic_invalidate_array_4a.a): Likewise.
198 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
199 J"orn Rennecke <joern.rennecke@st.com>
201 * superh.opt: New file.
202 * sh.c (boardtype, osruntime): Remove.
203 * superh.h (SUBTARGET_OPTIONS): Remove.
204 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
206 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
207 arguments with ^ and/or [].
209 * config.gcc (sh-*-*): Add quoting to account for quirk of
211 Replace == with = in enable_incomplete_targets test.
213 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
214 with MASK_LITTLE_ENDIAN.
216 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
217 * config/sh/sh.opt: Added to some comments.
218 * config/sh/superh.h: Removed some chaff.
220 * config/sh/sh.opt: Add m4-[1234]00* options.
221 * config/sh/sh.c (sh_handle_option): Likewise.
222 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
223 (ic_invalidate_array_4-100.o): New rule.
224 ($(T)libic_invalidate_array_4-100.a): Likewise.
225 (ic_invalidate_array_4-200.o): Likewise.
226 ($(T)libic_invalidate_array_4-200.a): Likewise.
227 (ic_invalidate_array_4a.o): Likewise.
228 ($(T)libic_invalidate_array_4a.a): Likewise.
229 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
230 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
232 * config/sh/crt1.asm: Merged in profiling code.
233 * config/sh/superh.h (STARTFILE_SPEC): Override.
234 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
235 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
236 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
238 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
239 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
240 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
242 * sh.opt (mpretend-cmove): New option.
243 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
244 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
245 (movsicc): Add TARGET_PRETEND_CMOVE code.
247 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
249 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
250 s390_class_max_nregs): New function prototypes.
251 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
252 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
253 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
254 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
256 2006-03-26 Geoffrey Keating <geoffk@apple.com>
258 * dwarf2out.c (add_location_or_const_value_attribute): Call
259 tree_add_const_value_attribute if nothing else works.
260 (reference_to_unused): New.
261 (rtl_for_decl_init): Use reference_to_unused to decide whether
262 to output an initializer.
264 2006-03-27 Alan Modra <amodra@bigpond.net.au>
267 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
268 peephole removing spe frob_di_df_2.
270 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
272 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
273 (subscript_dependence_tester_1): Declared.
274 (print_dir_vectors, print_dist_vectors): New.
275 (debug_data_dependence_relation): New.
276 (dump_data_dependence_relation): Print more details.
277 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
278 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
279 (save_dist_v, save_dir_v, add_outer_distances,
280 build_classic_dist_vector_1): New.
281 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
282 Don't test for lambda_vector_lexico_pos.
283 (same_access_functions, add_multivariate_self_dist,
284 add_other_self_distances, dir_from_dist): New.
285 (build_classic_dir_vector): Replace implementation almost identical to
286 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
288 (subscript_dependence_tester_1): New.
289 (subscript_dependence_tester): Handle the lexicographically negative
290 distance vectors by recomputing the dependence relation.
291 (compute_affine_dependence): Remove parameter loop_nest_depth.
292 (compute_self_dependence): Don't call compute_subscript_distance.
293 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
294 Add a parameter for the loop_nest.
295 (find_loop_nest_1, find_loop_nest): New.
296 (compute_data_dependences_for_loop): Compute the loop nest, and give
297 up if the nest is not well formed.
298 * tree-data-ref.h (loop_p): New.
299 (struct data_dependence_relation): Replace size_vect field with
300 loop_nest, a vec of loops.
301 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
302 (DDR_LOOP_NEST): New.
303 (print_dir_vectors, print_dist_vectors,
304 debug_data_dependence_relation): Declared.
305 (index_in_loop_nest): New.
306 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
307 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
310 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
312 * simplify-rtx.c (simplify_relational_operation): Call
313 simplify_relational_operation_1 even if mode is VOIDmode.
315 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
317 PR tree-optimization/26804
318 * tree.h (DECL_CALL_CLOBBERED): New macro.
319 (tree_decl_common): Add call_clobbered_flag.
320 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
321 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
322 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
323 (mark_non_addressable): Ditto.
324 * tree-ssa.c (verify_call_clobbered): New function.
325 (verify_alias_info): Use it.
326 * tree-pass.h (pass_reset_cc_flags): New prototype.
327 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
328 (reset_cc_flags): New function.
329 * passes.c (init_optimization_passes): Call reset_cc_flags after
330 initializing referenced_vars.
332 2006-03-25 Uros Bizjak <uros@kss-loka.si>
333 Roger Sayle <roger@eyesopen.com>
336 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
337 to 1.0 for non-real operands. Implement A / A optimization for
340 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
342 * config/i386/i386.c (size_cost): Correct the comment for
343 cost of storing fp registers.
344 (i386_cost): Likewise.
345 (i486_cost): Likewise.
346 (pentium_cost): Likewise.
347 (pentiumpro_cost): Likewise.
349 (athlon_cost): Likewise.
351 (pentium4_cost): Likewise.
352 (nocona_cost): Likewise.
353 (generic64_cost): Likewise.
354 (generic32_cost): Likewise.
356 2006-03-24 Denis Chertykov <denisc@overta.ru>
358 * config/avr/avr-protos.h (extra_constraint): Delete.
359 (extra_constraint_Q): New declaration.
360 * config/avr/constraints.md: New file.
361 * config/avr/avr.md: Include it.
362 (REG_X, REG_Y, REG_Z, REG_W): New constants.
363 (TMP_REGNO, ZERO_REGNO): Likewise.
364 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
365 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
366 (extra_constraint): Delete.
367 (extra_constraint_Q): Test for memory constraint 'Q'.
368 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
369 (REG_CLASS_FROM_LETTER): Delete.
370 (CONST_OK_FOR_LETTER_P): Delete.
371 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
372 (EXTRA_CONSTRAINT): Delete.
374 (ZERO_REGNO): Delete.
376 2006-03-24 Jeff Law <law@redhat.com>
378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
379 directly. Call mark_new_vars_to_rename slightly earlier.
381 2006-03-24 Geoffrey Keating <geoffk@apple.com>
383 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
385 (gen_compile_unit_die): Use new language types for Objective-C and
387 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
391 * config/t-darwin (crt3.o): Work around bug 26840.
392 * config/darwin-crt3.c: Rewrite.
393 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
395 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
397 * doc/invoke.texi: Document -femit-class-debug-always
398 * common.opt: Add -femit-class-debug-always.
400 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
402 * config/s390/s390.c (s390_decompose_address): Allow SImode for
403 index and base register.
404 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
405 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
406 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
407 REGNO_OK_FOR_INDEX_P.
408 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
410 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
411 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
412 REG_OK_FOR_BASE_P): Definitions removed.
414 2006-03-24 Jakub Jelinek <jakub@redhat.com>
417 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
418 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
419 set yet or weren't marked as local yet.
421 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
423 * regrename.c (scan_rtx_address): Initialize a variable to shut up
426 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
428 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
429 (rs6000_legitimate_small_data_p): Delete.
430 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
431 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
432 and make static. Add forward declaration. Update uses.
433 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
434 of offsettable_memref_p.
435 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
436 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
438 2006-03-24 Jeff Law <law@redhat.com>
440 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
441 around bug in immediate-use iterator.
443 2006-03-24 Alan Modra <amodra@bigpond.net.au>
446 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
447 or __LITTLE_ENDIAN__.
449 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
451 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
452 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
453 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
454 * config/sh/sh.opt (mdiv=): Amend description.
455 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
456 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
457 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
458 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
459 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
460 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
461 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
462 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
463 TARGET_DIVIDE_CALL_FP.
465 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
467 * haifa-sched.c (choose_ready): Fix type of the local variable.
468 Move local variables. Add comment.
469 (check_reg_live): Change signature. Make callable from debugger.
470 * sched-int.h (check_reg_live): Update signature.
471 * sched-ebb.c (check_reg_live): Update parameters.
472 * sched-rgn.c (check_reg_live): Ditto.
473 (region_head_or_leaf_p): Check pointer before dereferencing.
474 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
475 before reload on optimization levels below 1.
477 2006-03-23 Richard Henderson <rth@redhat.com>
479 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
483 * config/alpha/predicates.md (local_symbolic_operand): Reject
486 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
489 * tree-ssa-pre.c (create_value_expr_from): Don't reject
490 expressions which have overflowed constants.
492 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
494 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
496 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
498 * cfgloopmanip.c (create_loop_notes): Removed.
499 * final.c (final_scan_insn): Do not handle loop notes.
500 * jump.c (squeeze_notes): Ditto.
501 * cfglayout.c (skip_insns_after_block,
502 duplicate_insn_chain): Ditto.
503 * cfgcleanup.c (rest_of_handle_jump2): Do not call
505 * cfgloop.h (create_loop_notes): Declaration removed.
507 2006-03-23 Richard Sandiford <richard@codesourcery.com>
509 * varasm.c (output_constant_pool): Restore fnname and fndecl
511 (assemble_start_function): Adjust call accordingly.
512 (assemble_end_function): Likewise.
514 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
517 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
520 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
522 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
525 * system.h (ICE_EXIT_CODE): New macro.
526 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
527 (diagnostic_action_after_output): Likewise.
528 * gcc.c (fatal_ice): New function.
529 (execute): Use it instead of fatal.
530 (fancy_abort): Likewise.
531 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
533 2006-03-22 Jeff Law <law@redhat.com>
535 * loop-unroll.c (analyze_iv_to_split_insn): Handle
536 iv_analyze_result returning false.
538 2006-03-22 Jie Zhang <jie.zhang@analog.com>
540 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
542 2006-03-22 Richard Henderson <rth@redhat.com>
545 * except.c (duplicate_eh_regions_0): New.
546 (duplicate_eh_region_1): Duplicate the children of the node as
547 well as the node itself. Link them up properly.
548 (duplicate_eh_region_2): Merge into ...
549 (duplicate_eh_regions): ... here. Take copy_region argument, and
550 copy only a sub-tree if asked. Simplify copying and fixup.
551 (eh_region_outer_p): New.
552 * except.h (duplicate_eh_regions): Update decl.
553 (eh_region_outer_p): Declare.
554 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
555 (lower_omp_master): Likewise.
556 (lower_omp_ordered): Likewise.
557 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
558 (move_stmt_r): Use it to remap labels. Handle recursion vs
559 remap_decls_p properly.
560 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
561 (find_outermost_region_in_block): New.
562 (new_label_mapper): New.
563 (move_sese_region_to_fn): Copy eh information to the new function
565 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
567 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
570 2006-03-22 Richard Sandiford <richard@codesourcery.com>
572 * doc/md.texi (-mshared): Mention that -mshared code can be linked
573 into shared libraries.
575 2006-03-22 Richard Sandiford <richard@codesourcery.com>
577 * doc/md.texi: Refer to i386/constraints.md instead of
579 * config/i386/constraints.md: New file, extracted from...
580 * config/i386/predicates.md: ...here.
581 * config/i386/i386.md: Include constraints.md.
583 2006-03-21 Jason Merrill <jason@redhat.com>
585 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
588 * expr.c (init_block_move_fn): Force default visibility.
589 (init_block_clear_fn): Likewise.
590 * builtins.c (expand_builtin_fork_or_exec): Likewise.
591 * targhooks.c (default_external_stack_protect_fail): Likewise.
593 2006-03-21 Richard Sandiford <richard@codesourcery.com>
595 * config/mips/predicates.md (const_call_insn_operand): Allow direct
596 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
597 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
598 Use TARGET_OLDABI instead of !TARGET_NEWABI.
599 (loadgp): Use mips_current_loadgp_style.
600 (loadgp_noshared): New pattern.
601 (sibcall_internal): Use MIPS_CALL.
602 (sibcall_value_internal): Likewise.
603 (sibcall_value_multiple_internal): Likewise.
604 (call_internal): Likewise.
605 (call_value_internal): Likewise.
606 (call_value_multiple_internal): Likewise.
607 (call_split): Use MIPS_CALL and add an 'S' constraint.
608 (call_value_split): Likewise.
609 (call_value_multiple_split): Likewise.
610 * config/mips/mips.opt (-mabicalls): Tweak docstring.
611 (-mshared): New option.
612 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
613 (mips_current_loadgp_style): Declare.
614 * config/mips/mips.c (mips_classify_symbol): Avoid using
615 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
616 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
617 TARGET_ABSOLUTE_ABICALLS.
618 (override_options): Adjust comments. Improve the warning that is
619 issued when -mabicalls and -G are used together.
620 (mips_file_start): Remove comment.
621 (mips_current_loadgp_style): New function.
622 (mips_gnu_local_gp): New variable.
623 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
625 (mips_output_function_prologue): Use mips_current_laodgp_style.
626 (mips_expand_prologue): Call mips_emit_loadgp before emitting
627 the cprestore instruction.
628 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
629 live for TARGET_ABSOLUTE_ABICALLS.
630 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
631 (ASM_SPEC): Pass down -mshared and -mno-shared.
632 (MIPS_CALL): New macro.
633 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
635 * doc/invoke.texi (-mabicalls): Update documentation.
636 (-mshared): Document.
638 2006-03-21 Steve Ellcey <sje@cup.hp.com>
640 * config/ia64/unwind-hpux.c: New file.
641 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
643 2006-03-21 Steve Ellcey <sje@cup.hp.com>
646 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
648 2006-03-21 Jeff Law <law@redhat.com>
650 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
651 type conversions of a VR_VARYING source to a wider type.
653 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
655 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
656 tm_file on Solaris 10 and later.
657 (sparc64-*-solaris2*): Likewise.
658 (sparc-*-solaris2*): Likewise.
659 * config/sol26.h: Rename to config/sol2-6.h.
660 * config/sol2-10.h: New file.
662 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
665 * tree-ssa-pre.c (create_component_ref_by_pieces):
668 2006-03-21 Jakub Jelinek <jakub@redhat.com>
671 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
672 return it immediately.
674 2006-03-21 Michael Matz <matz@suse.de>
676 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
678 (remove_arc, add_arc): Update num_out_arcs member.
679 (set_out_arc_insns_equiv_num): Returns nothing instead of number
681 (cache_presence): New function.
682 (compare_states_for_equiv): New function.
683 (state_is_differed): Don't take number of outargs, adjust callers.
684 Use new invariant for speeding up.
685 (init_equiv_class): Create initial classes based on sorted
687 (partition_equiv_class): Don't track out_arcs_num.
688 (evaluate_equiv_classes): Call cache_presence on all states and
691 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
693 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
694 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
695 (bfin_valid_reg_p): Test for pseudos explicitly and use only
696 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
698 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
699 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
700 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
701 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
702 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
704 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
705 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
706 (REGNO_REG_CLASS): ARGP is in PREGS.
707 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
709 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
710 to deal with those addresses.
711 * addresses.h: New file.
712 * caller-save.c: Include "addresses.h".
713 (init_caller_save): Use new base_reg_class function.
714 * rtl-factoring.c: Include "addresses.h".
715 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
716 * recog.c: Include "addresses.h".
717 (preprocess_constraints): Use new base_reg_class function.
718 * regrename.c: Include "addresses.h".
719 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
720 functions. Keep track of a new var INDEX_CODE to compute valid
722 (replace_oldest_value_addr): Likewise.
723 (replace_oldest_value_mem): Use base_reg_class.
724 * reload.c: Include "addresses.h".
725 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
726 (find_reloads): Use new base_reg_class function.
727 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
728 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
729 all callers and prototype changed.
730 * reload1.c: Include "addresses.h".
731 (maybe_fix_stack_asms): Use base_reg_class.
732 * regclass.c: Include "addresses.h".
733 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
734 (init_reg_autoinc): Use new base_reg_class function.
735 (record_reg_classes): Likewise.
736 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
737 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
738 Use new args to compute necessary class.
740 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
741 regrename.o, rtl-factoring.o): Update dependencies.
742 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
743 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
744 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
745 REG_OK_FOR_INDEX_P): Delete documentation.
747 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
749 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
750 from V7 to V9 for Solaris 7 and above.
752 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
754 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
755 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
756 argument pointers may not alias any other storage.
757 * common.opt: Define option -fargument-noalias-anything.
758 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
759 alias semantics is specified by flag_argument_noalias > 2.
761 2006-03-20 Jeff Law <law@redhat.com>
763 * tree-pass.h (pass_phi_only_copy_prop): Delete.
764 (pass_phi_only_cprop): Declare.
765 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
767 * tree-ssa-dom.c (degenerate_phi_result): New function.
768 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
769 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
770 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
771 (eliminate_degenerate_phis): Likewise.
772 (pass_phi_only_cprop): New pass descriptor.
773 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
774 support code. Callers updated.
775 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
776 (store_copy_prop): Likewise.
777 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
779 2006-03-20 Jason Merrill <jason@redhat.com>
782 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
783 (push_visibility, pop_visibility): Likewise.
784 * c-pragma.h: Declare them.
786 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
788 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
790 * config/sh/sh.c (find_regmode_weight): Change the type of the first
791 parameter and use get_ebb_head_tail.
792 (sh_md_init_global): Adjust uses of find_regmode_weight.
794 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
796 * function.h (struct function) <x_tail_recursion_reentry>:
797 Rename to x_stack_check_probe_note.
798 (tail_recursion_reentry): Rename to stack_check_probe_note.
799 * function.c: Replace tail_recursion_reentry with
800 stack_check_probe_note everywhere.
801 (expand_function_start): Only emit a note for
802 stack_check_probe_note with -fstack-protect.
803 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
805 * emit-rtl.c (remove_unnecessary_notes): Remove.
806 (pass_remove_unnecessary_notes): Remove.
807 * rtl.h (remove_unnecessary_notes): Remove prototype.
808 * final.c (final_start_function): Don't call remove_unnecessary_notes.
809 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
810 * passes.c (pass_remove_unnecessary_notes): Don't run it.
812 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
815 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
816 (valid_in_set): Handle ARRAY_REF.
817 Change "if min_variant or VH" to asserts.
818 (create_component_ref_by_pieces): Handle ARRAY_REF.
819 (create_expression_by_pieces): Likewise.
820 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
822 2006-03-20 David Edelsohn <edelsohn@gnu.org>
824 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
825 is operand of switch, not str[0].
827 2006-03-20 Alan Modra <amodra@bigpond.net.au>
829 * config/rs6000/rs6000.c (rs6000_handle_option): Use
830 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
832 2006-03-19 David Edelsohn <edelsohn@gnu.org>
834 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
835 end of insn_extra_address_constraint declaration.
837 2006-03-19 David Edelsohn <edelsohn@gnu.org>
839 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
840 (no-sum-in-toc): Same.
841 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
843 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
844 NO_FP_IN_TOC for -fPIC instead of mask.
846 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
847 (BOOT_LDFLAGS): Delete.
849 * config/rs6000/t-aix52: Same.
851 * config/rs6000/rs6000.md (store_multiple_power): Delete.
852 (stmsi[345678]_power): New.
854 2006-03-17 Steve Ellcey <sje@cup.hp.com>
856 * config/ia64/ia64.opt: Add empty line to end of file.
858 2006-03-17 Richard Guenther <rguenther@suse.de>
861 * builtins.c (get_pointer_alignment): For component style references
862 adjust alignment to the component type alignment. Make sure
863 to adjust alignment for component access of constants.
865 2006-03-17 David Edelsohn <edelsohn@gnu.org>
867 * config/rs6000/rs6000.md (strlensi): Emit barrier after
870 2006-03-17 Paul Brook <paul@codesourcery.com>
872 * doc/install.texi: Docuemnt --with-mode.
873 * config.gcc: Add --with-mode for arm*-*-*.
874 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
876 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
878 * sh.c (max_labelno_before_reorg): New variable.
879 (sh_reorg): Initialize it.
880 (find_barrier): Check max_labelno_before_reorg before using
881 label_to_alignment. Take length of explicit alignment insns
882 into account. When seeing a UNSPECV_CONST_END, return it.
884 * sh.c (fixup_mova): Set mode of affected label to QImode.
885 (untangle_mova): New function.
886 (find_barrier): Use it. Check mode of label before decrementing
888 (sh_reorg): Likewise.
889 Set mode of all insns back to VOIDmode.
891 * sh.c (MOVA_LABELREF): New macro.
892 (mova_p, fixup_mova, sh_reorg): Use it.
893 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
894 ADDR_DIFF_VEC matches mova.
896 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
898 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
899 with ATTRIBUTE_UNUSED.
901 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
903 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
904 pointer, instead of assuming it is possible to derive the
905 correct args size from a call insn.
907 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
909 * rtl.h (CONST_INT_P): Define.
910 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
911 instead of GET_CODE(x) == CONST_INT.
912 (vax_rtx_costs): Likewise.
913 (vax_output_int_move): Likewise.
914 (vax_output_int_add): Likewise.
915 (legitimate_constant_address_p): Likewise.
916 (index_term_p): Likewise.
917 * config/vax/vax.h (PRINT_OPERAND): Likewise.
918 * config/vax/vax.md (and<mode>3): Likewise.
921 (movstricthi): Likewise.
922 (movstrictqi): Likewise.
924 (five unnamed insns): Likewise.
926 2006-03-16 Geoffrey Keating <geoffk@apple.com>
928 * doc/tm.texi (SDB and DWARF): Add extra parameter to
929 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
930 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
931 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
932 Pass to ASM_OUTPUT_DWARF_OFFSET.
933 * dwarf2out.c (debug_frame_section): New.
934 (output_call_frame_info): Use debug_frame_section. Pass it to
935 dw2_asm_output_offset.
936 (output_die): Pass appropriate section to dw2_asm_output_offset.
937 (output_compilation_unit_header): Likewise.
938 (output_pubnames): Likewise.
939 (output_aranges): Likewise.
940 (enum dw_val_class): Break dw_val_class_lbl_offset into
941 dw_val_class_lineptr and dw_val_class_macptr.
942 (add_AT_lbl_offset): Delete.
943 (add_AT_lineptr): New.
944 (add_AT_macptr): New.
945 (AT_lbl): Expect a lineptr or macptr.
946 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
947 (attr_checksum): Likewise.
948 (same_dw_val_p): Likewise.
949 (size_of_die): Likewise.
950 (value_format): Likewise.
951 (output_die): Likewise.
952 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
954 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
955 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
956 * config/darwin-protos.h (darwin_file_start): New.
957 (darwin_asm_output_dwarf_offset): New.
958 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
959 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
961 * config/darwin.c (darwin_emit_unwind_label): Don't output label
962 if not EH section; simplify.
963 (darwin_file_start): New.
964 (darwin_asm_output_dwarf_offset): New.
965 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
967 (DEBUG_INFO_SECTION): Likewise.
968 (DEBUG_ABBREV_SECTION): Likewise.
969 (DEBUG_ARANGES_SECTION): Likewise.
970 (DEBUG_MACINFO_SECTION): Likewise.
971 (DEBUG_LINE_SECTION): Likewise.
972 (DEBUG_LOC_SECTION): Likewise.
973 (DEBUG_PUBNAMES_SECTION): Likewise.
974 (DEBUG_STR_SECTION): Likewise.
975 (DEBUG_RANGES_SECTION): Likewise.
976 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
977 (ASM_OUTPUT_DWARF_OFFSET): New.
979 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
981 * config.gcc (tm_defines): Always add to previous value rather
984 2006-03-16 Richard Sandiford <richard@codesourcery.com>
986 * config/mips/predicates.md (splittable_const_int_operand): New,
987 split from move_operand.
988 (splittable_symbolic_operand): New.
989 (move_operand): Add commentary. Use splittable_const_int_operand.
990 Inline mips_atomic_symbolic_constant_p.
991 * config/mips/mips.md: Add combine splitters for handling moves
992 of splittable_const_int_operands and splittable_symbolic_operands.
993 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
994 (mips_split_symbol): Declare.
995 (mips_move_integer): Declare.
996 * config/mips/mips.c (mips_split_p): Make global.
997 (TARGET_MIN_ANCHOR_OFFSET): Override default.
998 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
999 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1000 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1001 (mips_offset_within_object_p): Handle block symbols.
1002 (mips_atomic_symbolic_constant_p): Delete.
1003 (mips_cannot_force_const_mem): Return false for constants that
1004 mips_legitimize_move can handle.
1005 (mips_use_blocks_for_constant_p): New function.
1006 (mips_split_symbol): Make global.
1007 (mips_move_integer): Likewise. Add a temporary register argument.
1008 (mips_legitimize_const_move): Use splittable_const_int_operand and
1009 splittable_symbolic_operand.
1010 (mips_use_anchors_for_symbol_p): New function.
1011 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1012 (mips_split_p): Declare.
1014 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1016 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1017 (mips*-*-linux*): Likewise.
1019 2006-03-16 Roger Sayle <roger@eyesopen.com>
1020 Daniel Speyer <dspeyer@wam.umd.edu>
1023 * tree-dump.c (dump_real): New function.
1024 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1025 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1026 (tree-dump.o): Add $(REAL_H) to the dependencies.
1028 2006-03-16 Roger Sayle <roger@eyesopen.com>
1031 * real.c (real_from_string): If the mantissa is zero, don't bother
1032 parsing the exponent as the result should always be zero.
1034 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1036 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1038 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1040 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1041 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1042 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1043 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1044 ia64_sched_finish_global): New static functions to implement
1045 hooks from gcc_target.sched.
1046 (spec_check_no, max_uid, pending_data_specs): New static variables.
1047 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1048 ia64_spec_check_src_p): New static functions.
1049 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1050 (TARGET_SCHED_ADJUST_COST): Removed.
1051 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1052 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1053 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1054 TARGET_SCHED_GEN_CHECK,
1055 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1056 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1057 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1058 Fixed to handle speculation checks.
1059 (rtx_needs_barrier): Fixed to handle speculative loads and
1061 (ia64_variable_issue): Added code to count speculative loads and their
1063 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1065 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1067 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1069 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1070 (ia64_reorg): Reset stops_p to NULL after it is freed.
1071 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1072 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1073 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1075 (data_speculative, control_speculative, check_load): New attributes.
1076 (mov<mode>_advanced, mov<mode>_speculative,
1077 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1078 zero_extend<mode>di2_speculative,
1079 zero_extend<mode>di2_speculative_advanced): New patterns for
1080 data and control speculative loads.
1081 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1083 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1084 New pattern for data and control speculation checks.
1085 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1086 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1087 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1088 Auxiliary definitions for the patterns.
1089 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1090 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1092 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1094 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1095 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1096 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1097 New resource constraints.
1098 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1100 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1101 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1102 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1103 msched-in-control-spec, msched-ldc, msched-control-ldc,
1104 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1105 msched-prefer-non-control-spec-insns,
1106 msched-count-spec-in-critical-path): New flags to tune speculative
1108 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1109 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1110 msched-in-control-spec, msched-ldc, msched-control-ldc,
1111 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1112 msched-prefer-non-control-spec-insns,
1113 msched-count-spec-in-critical-path): Document new flags.
1115 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1117 * target.h (struct spec_info_def): New opaque declaration.
1118 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1119 speculate_insn, needs_block_p, gen_check,
1120 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1121 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1122 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1123 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1124 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1125 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1127 (TARGET_SCHED): Use new macros.
1128 * rtl.h (copy_DEPS_LIST_list): New prototype.
1129 * sched-int.h (struct sched_info): Change signature of new_ready field,
1130 adjust all initializations. New fields: add_remove_insn,
1131 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1132 region_head_or_leaf_p.
1133 (struct spec_info_def): New structure declaration.
1134 (spec_info_t): New typedef.
1135 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1136 recovery_block, orig_pat.
1137 (glat_start, glat_end): New variables declaraions.
1138 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1140 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1141 DETACH_LIFE_INFO, USE_GLAT.
1142 (enum SPEC_SCHED_FLAGS): New enumeration.
1143 (NOTE_NOTE_BB_P): New macro.
1144 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1145 attach_life_info, debug_spec_status, check_reg_live): New functions.
1146 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1147 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1149 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1150 * ddg.c (get_block_head_tail): Adjust all uses.
1151 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1152 (sms_sched_info): Initialize new fields.
1153 (contributes_to_priority): Removed.
1154 * haifa-sched.c (params.h): New include.
1155 (get_block_head_tail): Adjust all uses.
1156 (ISSUE_POINTS): New macro.
1157 (glat_start, glat_end): New global variables.
1158 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1159 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1160 old_last_basic_block, before_recovery, current_sched_info_var,
1161 rgn_n_insns, luid): New static variables.
1162 (insn_cost1): New function. Move logic from insn_cost to here.
1163 (find_insn_reg_weight1): New function. Move logic from
1164 find_insn_reg_weight to here.
1165 (reemit_notes, move_insn, max_issue): Change signature.
1166 (move_insn1): Removed.
1167 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1168 extend_bb): New static functions to support extension of scheduler's
1170 (generate_recovery_code, process_insn_depend_be_in_spec,
1171 begin_speculative_block, add_to_speculative_block,
1172 init_before_recovery, create_recovery_block, create_check_block_twin,
1173 fix_recovery_deps): New static functions to support
1174 generation of recovery code.
1175 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1176 restore_bb_notes, move_block_after_check, move_succs): New static
1177 functions to support ebb scheduling.
1178 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1179 functions to support handling of register live information.
1180 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1181 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1182 add_jump_dependencies): New static functions.
1183 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1184 consistancy checking.
1185 (debug_spec_status): New function to call from debugger.
1186 (priority): Added code to handle speculation checks.
1187 (rank_for_schedule): Added code to distinguish speculative instructions.
1188 (schedule_insn): Added code to handle speculation checks.
1189 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1190 Fixed to handle ebbs.
1191 (move_insn): Added code to handle ebb scheduling.
1192 (max_issue): Added code to use ISSUE_POINTS of instructions.
1193 (choose_ready): Added code to choose between speculative and
1194 non-speculative instructions.
1195 (schedule_block): Added code to handle ebb scheduling and scheduling of
1196 speculative instructions.
1197 (sched_init): Initialize new variables.
1198 (sched_finish): Free new variables. Print statistics.
1199 (try_ready): Added code to handle speculative instructions.
1200 * lists.c (copy_DEPS_LIST_list): New function.
1201 * sched-deps.c (extend_dependency_caches): New function. Move logic
1202 from create_dependency_caches to here.
1203 (get_dep_weak, ds_merge): Make global.
1204 * genattr.c (main): Code to output prototype for
1205 dfa_clear_single_insn_cache.
1206 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1207 (output_dfa_clean_insn_cache_func): Code to output
1208 dfa_clear_single_insn_cache function.
1209 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1211 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1213 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1214 New static variables.
1215 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1216 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1218 (ebb_sched_info): Initialize new fields.
1219 (get_block_head_tail): Adjust all uses.
1220 (compute_jump_reg_dependencies): Fixed to use glat_start.
1221 (schedule_ebb): Code to remove unreachable last block.
1222 (schedule_ebbs): Added code to update register live information.
1223 * sched-rgn.c (region_sched_info): Initialize new fields.
1224 (get_block_head_tail): Adjust all uses.
1225 (last_was_jump): Removed. Adjust users.
1226 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1227 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1228 Implement new hooks.
1229 (check_dead_notes1): New static function.
1230 (struct region): New fields: dont_calc_deps, has_real_ebb.
1231 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1232 (BB_TO_BLOCK): Fixed to handle EBBs.
1233 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1234 (ebb_head): New static variable.
1235 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1236 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1238 (compute_dom_prob_ps): New assertion.
1239 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1240 global_live_at_start.
1241 (init_ready_list): New assertions.
1242 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1243 (new_ready): Add support for BEGIN_CONTROL speculation.
1244 (schedule_insns): Fixed code that updates register live information
1246 (schedule_region): Fixed to handle EBBs.
1247 (init_regions): Use extend_regions and check_dead_notes1.
1248 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1249 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1250 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1251 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1252 TARGET_SCHED_GEN_CHECK,
1253 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1254 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1255 * doc/invoke.texi (max-sched-insn-conflict-delay,
1256 sched-spec-prob-cutoff): Document.
1258 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1260 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1261 inter_tick, queue_index.
1262 (struct sched_info): Change signature of init_ready_list field.
1263 Adjust all initializations.
1264 (RESOLVED_DEPS): New access macro.
1265 (ready_add): Remove prototype.
1266 (try_ready): Add prototype.
1267 * sched-rgn.c (init_ready_list): Use try_ready.
1268 (schedule_region): Initialize
1269 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1270 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1271 (init_ready_list): Use try_ready.
1272 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1273 * lists.c (remove_list_elem): Remove `static'.
1274 (remove_free_INSN_LIST_elem): New function.
1275 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1276 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1277 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1279 (readyp): New variable.
1280 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1281 change_queue_index, resolve_dep): New static functions.
1282 (try_ready): New function. Adjust callers in sched-rgn.c and
1283 sched-ebb.c to use it instead of ready_add.
1284 (clock_var): Move at the begining of file.
1285 (rank_for_schedule): Fix typo.
1286 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1287 (ready_lastpos): Enforce assertion.
1288 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1290 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1291 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1292 (queue_to_ready): Use free_INSN_LIST_list.
1293 (early_queue_to_ready): Fix typo.
1294 (schedule_block): Init readyp. Move init_ready_list call after the
1295 initialization of clock_var. Fix error in rejecting insn by
1296 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1297 that previously corrected INSN_TICKs. Add code for handling
1299 (set_priorities): Fix typo.
1300 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1301 Clarify comment and code that keeps current_sched_info->next_tail
1304 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1306 * sched-rgn.c (extend_rgns): New static function.
1307 (find_rgns): Use it.
1308 (gather_region_statistics, print_region_statistics): New static
1310 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1311 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1313 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1314 Andrey Belevantsev <abel@ispras.ru>
1316 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1317 * lists.c (unused_deps_list): New variable.
1318 (free_list): Add assertions to verify the proper distinguishing
1319 between INSN_LISTs and DEPS_LISTs.
1320 (find_list_elem, remove_list_elem, remove_list_node): New static
1322 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1323 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1324 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1325 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1327 (free_INSN_LIST_node): Likewise.
1328 * modulo-sched.c (current_sched_info): Initialize flags field.
1329 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1330 * rtl.def (DEPS_LIST): Define.
1331 * rtl.h: Declare new functions from lists.c.
1332 * sched-deps.c (spec_dependency_cache): New static variable.
1333 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1334 (add_dependence): Change return type to void. Move the logic to ...
1335 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1336 (delete_all_dependences): Add comment about forward_dependency_cache.
1337 Handle spec_dependency_cache. Handle DEPS_LISTs.
1338 (fixup_sched_groups): Clarify the change of priority of output
1339 and anti dependencies.
1340 (sched_analyze_2): Adjust add_dependence calls to create data
1341 speculative dependence.
1342 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1343 Adjust all callers. Handle DEPS_LISTS.
1344 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1345 presence of speculation.
1346 (init_dependency_caches, free_dependency_caches):
1347 Handle spec_dependency_cache.
1348 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1349 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1350 New static functions.
1351 (add_or_update_back_dep, add_or_update_back_forw_dep,
1352 add_back_forw_dep, delete_back_forw_dep): New functions.
1353 * sched-int.h (ds_t, dw_t): New typedefs.
1354 (struct sched_info): Add new field flags.
1355 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1356 Prototype new sched-deps.c functions.
1357 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1358 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1359 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1360 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1361 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1362 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1364 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1366 * sched-rgn.c (current_sched_info): Initialize flags field.
1367 (schedule_insns): Initialize current_sched_info before the sched_init
1369 * sched-ebb.c (current_sched_info): Initialize flags field.
1370 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1371 Call add_or_update_back_dep instead of add_dependence.
1372 Create control speculative dependencies.
1373 (schedule_insns): Initialize current_sched_info before the sched_init
1376 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1378 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1380 (sh_fallback_frame_state): Likewise.
1382 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1384 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1385 Do switch on default_use_cxa_atexit.
1386 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1387 * config/darwin-crt3.o: New.
1388 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1389 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1390 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1392 * config/rs6000/t-darwin: Move crt2.o building to here.
1393 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1394 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1397 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1399 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1400 from '! xxx' to '!xxx' for coding-style conformance.
1401 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1402 (EXTRA_CONSTRAINT): Likewise.
1403 * config/vax/vax.md (four unnamed insns): Likewise.
1405 2006-03-15 Paul Brook <paul@codesourcery.com>
1407 * config/arm/arm.c (minipool_pad): New.
1408 (add_minipool_forward_ref): Include pool alignment padding in address
1410 (push_minipool_fix): Set minipool_pad.
1411 (minipool_pad): Ditto.
1413 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1415 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1416 instead of GET_CODE() == MEM and REG_P() instead of
1418 (print_operand_address): Likewise.
1419 (vax_address_cost): Likewise.
1420 (vax_rtx_costs): Likewise.
1421 (vax_notice_update_cc): Likewise.
1422 (vax_output_int_add): Likewise.
1423 (INDEX_REGISTER_P): Likewise.
1424 (BASE_REGISTER_P): Likewise.
1425 (nonindexed_address_p): Likewise.
1426 (vax_mode_dependent_address_p): Likewise.
1427 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1428 (PRINT_OPERAND): Likewise.
1429 * config/vax/vax.md (ashlsi3): Likewise.
1430 (ashlsi3): Likewise.
1431 (some more unnamed insns): Likewise.
1433 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1435 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1436 iterator-style macro.
1437 (mark_control_dependent_edges_necessary): Update the use of
1438 EXECUTE_IF_CONTROL_DEPENDENT.
1440 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1442 * config/sh/predicates.md (cache_address_operand): Special.
1443 (ua_address_operand): Likewise.
1445 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1447 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1449 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1451 2006-03-15 Andreas Schwab <schwab@suse.de>
1453 * gensupport.c (identify_predicable_attribute): Don't free p_false
1454 when it is still in use.
1456 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1458 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1459 the default setting here.
1461 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1463 * tree-pass.h (pass_cfg): Remove.
1464 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1465 * passes.c (pass_cfg): Don't run it.
1467 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1469 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1470 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1472 (stack_regs_mentioned): Update the uses of
1473 stack_regs_mentioned_data. Don't access the array beyond its
1475 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1476 Don't include gt-reg-stack.h.
1478 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1479 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1481 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1484 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1487 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1489 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1491 2006-03-14 Richard Guenther <rguenther@suse.de>
1493 PR tree-optimization/26672
1494 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1497 2006-03-14 Richard Guenther <rguenther@suse.de>
1499 PR tree-optimization/26667
1500 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1501 node for the callees. Always allow inlining if it will shrink
1504 2006-03-14 Richard Guenther <rguenther@suse.de>
1507 * builtins.c (get_pointer_alignment): Prefer alignment
1508 information from decls over that from types.
1510 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1513 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1515 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1517 * config/rs6000/rs6000.opt (mdlmzb): New option.
1518 (msched-prolog, msched-epilog): Use Var not Mask.
1519 * doc/invoke.texi (-mdlmzb): Document.
1520 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1522 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1523 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1525 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1527 PR rtl-optimization/25739
1528 * bt-load.c (augment_live_range): Free tos pointer.
1530 * gensupport.c (identify_predicable_attribute): Free
1532 * gcov.c (create_file_names): Free name pointer.
1534 2006-03-13 Roger Sayle <roger@eyesopen.com>
1537 * stmt.c (emit_case_nodes): Handle the case where the index is a
1538 CONST_INT, where the comparison mode is specified by the index type.
1540 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1542 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1545 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1547 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1548 (*branch_fp_inverted): Likewise.
1550 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1553 * omp-low.c (expand_omp_for_generic): Mark istart0
1554 and iend0 as addressable.
1556 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1558 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1560 2006-03-13 Jeff Law <law@redhat.com>
1562 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1563 virtual operands are interesting.
1564 (vrp_visit_stmt): Corresponding changes.
1566 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1568 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1570 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1571 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1572 * config/bfin/crti.S: Use it instead of __PIC__.
1573 * config/bfin/crtn.S: Likewise.
1575 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1576 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1578 Lose 'G' modifier for call operand.
1579 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1580 recognize 'G' modifier.
1582 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1585 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1586 * stmt.c (expand_case): Likewise.
1588 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1590 PR rtl-optimization/26254
1591 * loop-invariant.c (seq_insns_valid_p): New function.
1592 (move_invariant_reg): Only emit new code if it is valid.
1594 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1596 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1598 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1599 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1600 (commit_one_edge_insertion): Do not look for loop notes.
1602 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1604 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1605 flag_test_coverage out of loop.
1607 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1609 * final.c (shorten_branches): Remove outdated comment, and turn
1610 the if branch that guards it to continue.
1612 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1614 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1615 * cfgloop.h (struct loop): Remove unused fields.
1617 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1619 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1620 (-dL, -fdump-rtl-loop2): Update the dump file names
1622 * doc/invoke.texi: Update dump file names.
1624 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1626 * predict.c (estimate_probability): Remove.
1627 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1628 * basic-block.h (estimate_probability): Remove prototype.
1629 * passes.c (finish_optimization_passes): Dump branch prediction or
1630 profiling heuristics to the .profile tree dump.
1631 (init_optimization_passes): Unqueue pass_branch_prob.
1633 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1635 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1637 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1638 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1640 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1642 * function.h (frame_offset_overflow): Declare.
1643 * function.c (frame_offset_overflow): New function.
1644 (assign_stack_local_1): Call it to detect that the offset overflows.
1645 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1647 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1649 * config/sh/sh.c: Include alloc-pool.h.
1650 (label_ref_list_pool): New alloc pool.
1651 (label_ref_list_t): New type for lists of labels.
1652 (struct pool_node): Make wend a label_ref_list_t.
1653 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1655 (dump_table): Likewise.
1656 (sh_reorg): Set up the alloc pool before using add_constant and
1657 dump_table, and destroy it when finishing.
1659 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1661 * config/mips/mips.c: Remove redundant comment.
1663 2006-03-10 Jason Merrill <jason@redhat.com>
1666 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1667 the target was declared 'register'.
1669 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1671 * genpreds.c (write_insn_constraint_len): Change definition of
1672 insn_constraint_len to return size_t to match the declaration.
1674 2006-03-10 DJ Delorie <dj@redhat.com>
1676 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1678 (m32c_expand_insv): Fix test for an AND mask.
1680 2006-03-10 Richard Guenther <rguenther@suse.de>
1683 * builtins.c (get_pointer_alignment): Handle component
1684 references for field alignment.
1686 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1688 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1689 when building with libgloss.
1690 (sh*elf): Implement --without-fp option.
1691 (sh64-superh-linux*): Don't multilib.
1693 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1695 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1697 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1699 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1700 Set it when one of the replacement functions returned true.
1701 Return TODO_cleanup_cfg if cfgchanged is true.
1702 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1704 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1706 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1707 instead of gen_lowpart.
1709 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1711 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1713 (mips_output_order_conditional_branch): Declare.
1714 * config/mips/mips.h (MIPS_BRANCH): New macro.
1715 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1716 for the comparison. Use gen_condjump.
1717 (mips_output_conditional_branch): Rework interface to take the
1718 asm templates for a direct branch and the inverse of a direct branch.
1719 (mips_output_order_conditional_branch): New function.
1720 (mips_builtin_branch_and_move): New function.
1721 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1722 branch condition. Use gen_single_cc as the condition for
1723 __builtin_mips_upper_* or __builtin_mips_lower_*.
1724 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1725 Use VOIDmode for the branch condition.
1726 * config/mips/predicates.md (order_operator): New predicate.
1727 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1728 (branch_fp): Rename to...
1729 (*branch_fp): ...this. Remove mode from comparison operator.
1730 Use new mips_output_conditional_branch interface.
1731 (branch_fp_inverted): Rename to...
1732 (*branch_fp_inverted): ...this and update as for *branch_fp.
1733 (*branch_zero<mode>): Rename to...
1734 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1735 Use mips_output_order_conditional_branch. Only accept ordered
1737 (*branch_zero<mode>_inverted): Rename to...
1738 (*branch_order<mode>_inverted): ...this and update as for
1739 *branch_order<mode>.
1740 (*branch_equality<mode>): Accept zero as the second operand to
1741 the equality operator. Use the new mips_output_conditional_branch
1743 (*branch_equality<mode>_inverted): Likewise.
1744 (condjump): New expander.
1745 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1747 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1748 (bc1any2t, bc1any2f): Likewise.
1749 (single_cc): New expander.
1750 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1752 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1754 * doc/md.texi: Update documentation of MIPS constraints.
1755 * config/mips/constraints.md: New file.
1756 * config/mips/mips.md: Include it.
1757 * config/mips/mips.c (mips_char_to_class): Delete.
1758 (override_options): Don't initialize mips_char_to_class.
1759 * config/mips/mips.h (mips_char_to_class): Delete.
1760 (REG_CLASS_FROM_LETTER): Delete.
1761 (CONST_OK_FOR_LETTER_P): Delete.
1762 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1763 (EXTRA_CONSTRAINT_Y): Delete.
1764 (EXTRA_CONSTRAINT_STR): Delete.
1765 (CONSTRAINT_LEN): Delete.
1766 (EXTRA_MEMORY_CONSTRAINT): Delete.
1768 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1770 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1771 original fn's eh regions.
1773 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1775 * fold-const.c (build_range_check): Make sure to use a valid type to
1776 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1779 (range_predecessor): New static function.
1780 (range_successor): Likewise.
1781 (merge_ranges): Use them to compute predecessors and successors of
1784 2006-03-09 Roger Sayle <roger@eyesopen.com>
1787 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1788 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1790 2006-03-08 DJ Delorie <dj@redhat.com>
1792 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1793 (addpsi3): Expand to include memory operands. Remove
1794 reload-specific splits.
1795 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1796 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1797 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1798 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1799 (shift1_qi, shift1_hi, insv): New.
1800 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1801 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1802 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1804 * config/m32c/m32c-protos.h: Update as needed.
1805 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1806 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1807 Fail for unrecognized R* constraints.
1808 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1809 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1810 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1812 (m32c_init_libfuncs): New.
1813 (m32c_legitimate_address_p): Add debug wrapper.
1814 (m32c_rtx_costs): New.
1815 (m32c_address_cost): New.
1816 (conversions): Add 'B' prefix.
1817 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1818 operands, or word regnames for QI operands. 'B' prints bit
1820 (m32c_expand_setmemhi): New.
1821 (m32c_expand_movmemhi): New.
1822 (m32c_expand_movstr): New.
1823 (m32c_expand_cmpstr): New.
1824 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1825 (m32c_expand_neg_mulpsi3): Handle non-ints.
1826 (m32c_cmp_flg_0): New.
1827 (m32c_expand_movcc): New.
1828 (m32c_expand_insv): New.
1829 (m32c_scc_pattern): New.
1830 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1831 a0/a1 out of SIregs.
1832 (STORE_FLAG_VALUE): New.
1833 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1836 * config/m32c/mov.md: Make constraints more liberal.
1837 (zero_extendqihi2): Optimize r0/r1 case.
1838 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1839 * config/m32c/predicates.md (m32c_any_operand): New.
1840 (m32c_nonimmediate_operand): New.
1841 (m32c_hl_operand): New.
1842 (m32c_r3_operand): New.
1845 (memsym_operand): New.
1846 (memimmed_operand): New.
1847 (a_qi_operand): New.
1848 (m32c_eqne_operator): New.
1849 (m32c_1bit8_operand): New.
1850 (m32c_1bit16_operand): New.
1851 (m32c_1mask8_operand): New.
1852 (m32c_1mask16_operand): New.
1853 * config/m32c/blkmov.md: New file.
1854 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1856 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1858 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1859 unsigned to fix signed/unsigned comparison issue in
1860 DWARF2_FRAME_REG_OUT.
1861 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1862 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1864 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1865 of ptr into the ENABLE_CHECKING section.
1867 2006-03-08 Jeff Law <law@redhat.com>
1869 * tree-vrp.c (infer_value_range): Only count pointer uses
1870 and dereferences if -fdelete-null-pointer-checks is enabled.
1872 * tree-vrp.c (find_assert_locations): Infer value ranges for
1873 single use pointers, but do not create ASSERT_EXPRs for them.
1874 When a non-null range is inferred for a pointer, backwards
1875 propagate that range to other equivalent pointers through the
1878 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1881 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1882 language hook targets.
1883 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1884 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1885 if language hook targets were missing.
1887 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1889 * tree-ssa-opfinalize.h: Removed.
1890 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1892 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1893 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1894 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1895 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1896 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1897 finalize_ssa_v_must_def_ops): New.
1899 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1901 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1904 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1906 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1908 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1909 addresses with offsets; reorganize.
1911 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1912 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1913 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1915 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1918 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1920 2006-03-08 Ben Elliston <bje@au.ibm.com>
1922 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1924 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1927 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1930 2006-03-07 Richard Guenther <rguenther@suse.de>
1932 PR tree-optimization/26587
1933 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1935 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1937 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1939 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1941 * hooks.c (hook_bool_mode_rtx_true): New function.
1942 * hooks.h (hook_bool_mode_rtx_true): Declare.
1943 * toplev.c (compile_file): Call output_shared_constant_pool.
1944 * varasm.c (shared_constant_pool): New variable.
1945 (assemble_start_function, assemble_end_function): Remove arguments
1946 from call to output_constant_pool.
1947 (create_constant_pool): New function, split out from...
1948 (init_varasm_status): ...here.
1949 (force_const_mem): Choose between the shared and per-function constant
1950 pools. Set current_function_uses_const_pool when reusing old entries
1951 as well as when creating new ones.
1952 (mark_constant): Ignore data argument.
1953 (mark_constants): Remove pool argument.
1954 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1955 to decide whether the function uses a constant pool.
1956 (output_constant_pool_contents): New function, split out from...
1957 (output_constant_pool): ...here.
1958 (output_shared_constant_pool): New function.
1959 (init_varasm_once): Initialize shared_constant_pool.
1960 * output.h (output_constant_pool): Delete.
1961 (output_shared_constant_pool): Declare.
1962 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1963 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1965 2006-03-06 Nick Clifton <nickc@redhat.com>
1967 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1968 flag_strength_reduce.
1970 2006-03-06 Ben Elliston <bje@au.ibm.com>
1972 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1973 x86_64-*-linux* configurations.
1975 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1976 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1978 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1980 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1982 * basic-block.h: Remove the extern for
1983 rediscover_loops_after_threading.
1985 * cfgloop.c (cancel_loop): Make it static.
1986 * cfgloop.h: Remove the prototype for cancel_loop.
1988 * flow.c (recompute_reg_usage): Make it static.
1989 * rtl.h: Remove the prototype for recompute_reg_usage.
1991 * function.c (use_return_register): Make it static.
1992 * function.h: Remove the prototype.
1994 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1996 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1998 * recog.h: Remove the prototype for
1999 validate_change_maybe_volatile.
2001 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2003 * rtlanal.c (replace_reg): Remove.
2004 * rtl.h: Remove the prototype for replace_reg.
2006 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2008 * regclass.c (reg_scan_update): Remove.
2009 (reg_scan_mark_refs): Remove the last argument.
2010 * rtl.h: Remove the prototype for reg_scan_update.
2012 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2014 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2015 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2016 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2017 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2018 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2019 loop-invariant.c, omp-low.c, opts.c, passes.c,
2020 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2021 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2022 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2023 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2024 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2025 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2027 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2029 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2030 * dwarf2out.h: Remove the prototype for
2031 dwarf2out_add_library_unit_info.
2033 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2035 * tree.c (add_var_to_bind_expr): Remove.
2036 * tree.h: Remove the prototype for add_var_to_bind_expr.
2038 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2040 * regclass.c (n_non_fixed_regs): Remove.
2041 (init_reg_sets_1, globalize_reg): Remove all uses of
2043 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2045 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2047 * rtlanal.c (insns_safe_to_move_p): Remove.
2048 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2050 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2052 * expmed.c (expand_mult_add): Remove.
2053 * expr.h: Remove the prototype for expand_mult_add.
2055 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2057 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2058 and REG_SAVED_VAL_EXP constants.
2059 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2060 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2061 Handle regs stored by value.
2062 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2063 (execute_cfa_program): Handle DW_CFA_val_offset,
2064 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2065 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2066 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2067 (uw_install_context_1): Handle target regs stored by value.
2069 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2071 * tree-sra.c (tree_sra): Return todoflags;
2072 (generate_one_element): Set TODO_update_smt_usage if needed.
2073 (pass_sra): Remove TODO_update_smt_usage.
2074 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2076 (tree_ssa_forward_propagate_single_use_vars): Return
2077 TODO_update_smt_usage if we need to update SMT usage.
2078 (pass_forwprop): Remove TODO_update_smt_usage.
2080 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2082 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2083 (correct_use_link): Remove reference to get_stmt_operands.
2084 (update_stmt_operands): Likewise.
2085 (get_modify_expr_operands): New function factored out of
2086 parse_ssa_operands and get_expr_operands.
2087 Try to create V_MUST_DEFs for LHS by default.
2088 (get_expr_operands) <case MODIFY_EXPR>: Call
2089 get_modify_expr_operands.
2090 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2091 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2092 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2093 get_modify_expr_operands.
2095 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2097 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2098 * tree-flow.h: Remove the prototype for
2099 referenced_var_lookup_if_exists.
2101 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2103 PR rtl-optimization/26345
2105 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2107 2006-03-03 Roger Sayle <roger@eyesopen.com>
2109 PR tree-optimization/26524
2110 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2111 fold_convert to create a constant of the appropriate type.
2113 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2115 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2116 SYMBOL_REF_IN_BLOCK_P.
2117 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2118 of SYMBOL_FLAG_IN_BLOCK.
2119 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2120 instead of SYMBOL_REF_IN_BLOCK_P.
2121 * explow.c (use_anchored_address): Likewise.
2122 * rtl.c (rtx_size): Likewise.
2123 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2124 instead of SYMBOL_FLAG_IN_BLOCK.
2125 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2126 SYMBOL_REF_IN_BLOCK_P.
2127 (assemble_variable): Likewise.
2128 (output_constant_def_contents): Likewise.
2129 (output_constant_pool): Likewise.
2130 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2131 instead of SYMBOL_FLAG_IN_BLOCK.
2132 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2133 SYMBOL_REF_IN_BLOCK_P.
2134 (SYMBOL_REF_BLOCK): Likewise.
2135 (SYMBOL_REF_OFFSET): Likewise.
2136 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2137 SYMBOL_REF_IN_BLOCK_P.
2138 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2139 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2140 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2141 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2143 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2145 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2147 2006-03-02 Roger Sayle <roger@eyesopen.com>
2149 * simplify-rtx.c (simplify_unary_operation): When simplifying
2150 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2151 that we perform the right shift in the appropriate mode, and
2152 then extend or truncate the result to requested mode.
2154 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2156 * gengtype.c (main): Handle double_int type.
2157 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2158 * double-int.c: New file.
2159 * double-int.h: New file.
2160 * system.h: Include doubleint.h.
2161 * Makefile.in (SYSTEM_H): Include double-int.h.
2162 (double-int.o): Add.
2164 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2167 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2170 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2172 * tree-vrp.c (remove_range_assertions): Do not update statements
2175 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2177 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2179 * gcse.c (rest_of_handle_gcse): Ditto.
2180 * except.c (gate_handle_eh): Ditto.
2181 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2182 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2184 2006-03-02 Eric Christopher <echristo@apple.com>
2186 * config/i386/i386.c (machopic_output_stub): Add indirection to
2189 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2193 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2195 Sun Niagara specific optimizations.
2196 * config.gcc: Recognize niagara as target.
2197 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2198 (TARGET_CPU_niagara): Define.
2199 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2200 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2201 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2202 (ASM_CPU_SPEC): Likewise.
2203 (PROCESSOR_NIAGARA): New enum entry.
2204 (REGISTER_MOVE_COST): Handle Niagara.
2205 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2206 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2207 (sparc_override_options): Recognize "niagara", set appropriate
2208 default MASK_* values for it, and align functions to 32-bytes
2209 by default just like ULTRASPARC/ULTRASPARC3.
2210 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2211 (sparc64_initialize_trampoline): Likewise.
2212 (sparc_use_sched_lookahead): Use zero for niagara.
2213 (sparc_issue_rate): Use one for niagara.
2214 * config/sparc/niagara.md: New file.
2215 * config/sparc/sparc.md: Include it.
2216 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2217 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2218 when default cpu is niagara.
2219 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2220 (ASM_CPU_SPEC): Likewise.
2221 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2222 when default cpu is niagara.
2223 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2224 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2225 just like v9/ultrasparc/ultrasparc3.
2226 * doc/invoke.texi: Add documentation for "niagara" and improve
2227 existing documentation for ultrasparc variants.
2229 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2231 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2233 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2235 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2236 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2237 and say that only one is needed.
2238 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2239 * target.h (have_switchable_bss_sections): New hook.
2240 * explow.c (use_anchored_address): Check that the symbol is in a block.
2241 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2242 (bss_noswitch_section): New variables.
2243 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2244 (get_noswitch_section): New function.
2245 (get_block_for_section): Allow SECT to be null.
2246 (unlikely_text_section_p): Use SECTION_STYLE.
2247 (bss_initializer_p): New function.
2248 (get_variable_section): Move earlier in file. Take a new argument,
2249 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2250 Return one of the new *_sections in such cases.
2251 (get_block_for_decl): New function, extracting some logic from
2252 use_blocks_for_decl_p.
2253 (change_symbol_section): Remove in favor of...
2254 (change_symbol_block): ...this new function.
2255 (use_blocks_for_decl_p): Remove checks now performed by
2257 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2258 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2259 (emit_local, emit_bss, emit_common): ...these new functions.
2260 Return true if the alignment was honored.
2261 (emit_tls_common): New function.
2262 (asm_emit_uninitialised): Delete.
2263 (assemble_variable_noswitch): New function, split out from...
2264 (assemble_variable): ...here. Don't make decisions about common
2265 variables here. Globalize all public decls that go into non-common
2266 sections. Check whether SYMBOL_REF_BLOCK is null.
2267 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2268 (output_constant_pool): Likewise.
2269 (init_varasm_once): Initialize the new section variables.
2270 (have_global_bss_p): New function.
2271 (categorize_decl_for_section): Use bss_initializer_p.
2272 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2273 (place_block_symbol): Assert that the symbol must be in a block.
2274 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2275 (TARGET_INITIALIZER): Include it.
2276 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2277 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2278 (SECTION_MACH_DEP): Bump by two.
2279 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2280 (unnamed_section): Mention SECTION_UNNAMED in comment.
2281 (named_section): Likewise SECTION_NAMED.
2282 (noswitch_section_callback): New type.
2283 (noswitch_section): New structure.
2284 (section): Add a noswitch_section alternative.
2285 (SECTION_STYLE): New macro.
2286 (tls_comm_section, comm_section, lcomm_section): Declare.
2287 (bss_noswitch_section, have_global_bss_p): Declare.
2288 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2289 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2291 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2292 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2295 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2297 * gcc/tree-vrp.c (execute_vrp): Return value.
2298 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2299 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2300 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2301 (tree_lower_complex_O0): Ditto.
2302 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2303 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2304 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2305 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2306 (execute_tail_calls): Ditto.
2307 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2308 * gcc/tree.h (init_function_for_compilation): Ditto.
2309 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2310 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2311 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2312 * gcc/final.c (compute_alignments): Ditto.
2313 (rest_of_handle_final): Ditto.
2314 (rest_of_handle_shorten_branches): Ditto.
2315 (rest_of_clean_state): Ditto.
2316 * gcc/omp-low.c (execute_expand_omp): Ditto.
2317 (execute_lower_omp): Ditto.
2318 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2319 * gcc/ipa-reference.c (static_execute): Ditto.
2320 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2321 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2322 (rest_of_handle_machine_reorg): Ditto.
2323 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2324 * gcc/flow.c (recompute_reg_usage): Ditto.
2325 (rest_of_handle_remove_death_notes): Ditto.
2326 (rest_of_handle_life): Ditto.
2327 (rest_of_handle_flow2): Ditto.
2328 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2329 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2330 (do_ssa_store_ccp): Ditto.
2331 (execute_fold_all_builtins): Ditto.
2332 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2333 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2334 * gcc/ipa-pure-const.c (static_execute): Ditto.
2335 * gcc/cse.c (rest_of_handle_cse): Ditto.
2336 (rest_of_handle_cse2): Ditto.
2337 * gcc/web.c (rest_of_handle_web): Ditto.
2338 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2339 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2340 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2341 * gcc/tree-nrv.c (tree_nrv): Ditto.
2342 (execute_return_slot_opt): Ditto.
2343 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2344 (create_structure_vars): Ditto.
2345 * gcc/loop-init.c (rtl_loop_init): Ditto.
2346 (rtl_loop_done): Ditto.
2347 (rtl_move_loop_invariants): Ditto.
2348 (rtl_unswitch): Ditto.
2349 (rtl_unroll_and_peel_loops): Ditto.
2350 (rtl_doloop): Ditto.
2351 * gcc/gimple-low.c (lower_function_body): Ditto.
2352 (mark_used_blocks): Ditto.
2353 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2354 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2355 (cgraph_early_inlining): Ditto.
2356 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2357 * gcc/jump.c (cleanup_barriers): Ditto.
2358 (purge_line_number_notes): Ditto.
2359 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2360 (rest_of_handle_if_after_reload): Ditto.
2361 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2362 (tree_ssa_loop_im): Ditto.
2363 (tree_ssa_loop_unswitch): Ditto.
2364 (tree_vectorize): Ditto.
2365 (tree_linear_transform): Ditto.
2366 (tree_ssa_loop_ivcanon): Ditto.
2367 (tree_ssa_empty_loop): Ditto.
2368 (tree_ssa_loop_bounds): Ditto.
2369 (tree_complete_unroll): Ditto.
2370 (tree_ssa_loop_prefetch): Ditto.
2371 (tree_ssa_loop_ivopts): Ditto.
2372 (tree_ssa_loop_done): Ditto.
2373 * gcc/predict.c (tree_estimate_probability): Ditto.
2374 * gcc/recog.c (split_all_insns_noflow): Ditto.
2375 (rest_of_handle_peephole2): Ditto.
2376 (rest_of_handle_split_all_insns): Ditto.
2377 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2378 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2379 (rest_of_handle_stack_adjustments): Ditto.
2380 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2381 * gcc/function.c (instantiate_virtual_regs): Ditto.
2382 (init_function_for_compilation): Ditto.
2383 (rest_of_handle_check_leaf_regs): Ditto.
2384 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2385 (rest_of_handle_gcse): Ditto.
2386 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2387 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2388 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2389 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2390 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2391 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2392 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2393 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2394 * gcc/except.c (set_nothrow_function_flags): Ditto.
2395 (convert_to_eh_region_ranges): Ditto.
2396 (rest_of_handle_eh): Ditto.
2397 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2398 (remove_unnecessary_notes): Ditto.
2399 * gcc/except.h (set_nothrow_function_flags): Ditto.
2400 (convert_to_eh_region_ranges): Ditto.
2401 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2402 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2403 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2404 (execute_fre): Ditto.
2405 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2406 (rest_of_handle_jump2): Ditto.
2407 * gcc/tree-sra.c (tree_sra): Ditto.
2408 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2409 (execute_mudflap_function_decls): Ditto.
2410 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2411 (do_store_copy_prop): Ditto.
2412 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2413 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2414 * gcc/tree-ssa-forwprop.c
2415 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2416 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2417 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2418 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2419 (execute_late_warn_uninitialized): Ditto.
2420 * gcc/rtl.h (cleanup_barriers): Ditto.
2421 (split_all_insns_noflow): Ditto.
2422 (purge_line_number_notes): Ditto.
2423 (unshare_all_rtl): Ditto.
2424 (remove_unnecessary_notes): Ditto.
2425 (recompute_reg_usage): Ditto.
2426 (variable_tracking_main): Ditto.
2427 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2428 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2429 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2430 (execute_free_cfg_annotations): Ditto.
2431 (execute_fixup_cfg): Ditto.
2432 (execute_cleanup_cfg_pre_ipa): Ditto.
2433 (execute_cleanup_cfg_post_optimizing): Ditto.
2434 (execute_init_datastructures): Ditto.
2435 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2436 * gcc/combine.c (rest_of_handle_combine): Ditto.
2437 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2438 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2439 (rest_of_handle_reorder_blocks): Ditto.
2440 (rest_of_handle_partition_blocks): Ditto.
2441 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2442 * gcc/tree-profile.c (tree_profiling): Ditto.
2443 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2444 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2445 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2446 (rest_of_handle_sched2): Ditto.
2447 * gcc/basic-block.h (free_bb_insn): Ditto.
2448 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2449 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2450 (remove_useless_stmts): Ditto.
2451 (split_critical_edges): Ditto.
2452 (execute_warn_function_return): Ditto.
2453 (execute_warn_function_noreturn): Ditto.
2454 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2455 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2456 * gcc/passes.c (execute_one_pass): Run additional
2457 todos returned by execute function.
2458 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2461 2006-03-02 Richard Guenther <rguenther@suse.de>
2463 * tree-ssa-alias.c (find_used_portions): Consider taking
2464 the address as making the variable not write-only.
2466 2006-03-02 Nick Clifton <nickc@redhat.com>
2468 * config.gcc (default_use_cxa_atexit): Extend the description of
2469 this configure variable. Set its default value to "yes" for
2470 Linux, NetBSD and ELF targets on the assumption that they will
2471 use C libraries with the __cxa_atexit function.
2473 2006-03-02 Ben Elliston <bje@au.ibm.com>
2475 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2476 parameter as unused to suppress a build warning.
2478 2006-03-02 Ben Elliston <bje@au.ibm.com>
2480 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2483 2006-03-01 Roger Sayle <roger@eyesopen.com>
2486 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2487 declared name, the weak reference name, and the typeof name.
2488 (__gthrw): Avoid expanding the declared name suffix.
2489 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2491 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2493 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2495 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2496 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2497 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2498 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2499 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2500 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2501 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2502 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2503 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2504 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2505 (DW_END_default, DW_END_big, DW_END_little): New.
2506 (DW_END_lo_user, DW_END_hi_user): Define.
2507 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2508 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2509 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2512 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2514 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2516 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2518 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2520 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2522 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2523 to 'symbol_mem_tag'.
2525 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2528 2006-03-01 Roger Sayle <roger@eyesopen.com>
2530 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2532 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2535 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2536 MACHO_DYNAMIC_NO_PIC_P.
2537 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2539 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2542 * config/darwin-protos.h (darwin_asm_output_anchor):
2544 * config/darwin-sections.def (cstring_section):
2545 Add SECTION_MERGE to the flags.
2546 (literal4_section): Likewise.
2547 (literal8_section): Likewise.
2548 (objc_selector_refs_section): Likewise.
2549 (objc_cls_refs_section): Likewise.
2550 * config/darwin.c (darwin_asm_output_anchor): New
2552 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2554 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2556 Fix PR tree-optimization/26443
2557 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2558 to todo and PROP_tmt_usage to properties_destroyed.
2559 * tree-ssa-ccp.c (pass_ccp): Ditto.
2560 (pass_store_ccp): Ditto.
2561 * tree-ssa-dom.c (pass_dominator): Ditto.
2563 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2565 * tree-ssa-operands.c: Cleanup whitespace.
2566 (get_asm_expr_operands): Move before first invocation.
2567 (get_indirect_ref_operands): Likewise.
2568 (get_tmr_operands): Likewise.
2569 (get_call_expr_operands): Likewise.
2570 (append_def): Likewise.
2571 (append_use): Likewise.
2572 (append_v_may_def): Likewise.
2573 (append_v_must_def): Likewise.
2574 (add_call_clobber_ops): Likewise.
2575 (add_call_read_ops): Likewise.
2576 (add_stmt_operand): Likewise.
2577 (add_virtual_operand): Likewise.
2578 (build_ssa_operands): Likewise.
2580 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2585 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2586 with a call expr to ...
2587 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2589 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2591 * tree-vrp.c (extract_range_from_assert): Remove special
2592 handling for types with super-types.
2594 2006-03-01 Ben Elliston <bje@au.ibm.com>
2596 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2597 and powerpc64-*-linux* configurations.
2598 * config/t-dfprules: New file.
2600 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2601 Compile dfp-bit.c from the source directory using -DWIDTH and
2602 $DFP_CFLAGS to control the compilation of that file, rather than
2603 generating width-specific versions in the build directory.
2604 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2605 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2607 2006-02-28 Zack Weinberg <zackw@panix.com>
2609 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2612 2006-02-28 Eric Christopher <echristo@apple.com>
2614 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2615 Set up IN_LIBGCC definition of TARGET_64BIT.
2616 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2618 2006-02-28 Roger Sayle <roger@eyesopen.com>
2621 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2622 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2623 cases via the construction of "expr != 0".
2625 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2627 * alias.c (alias_invariant, alias_invariant_size): Remove.
2628 (record_base_value): Remove.
2629 (memrefs_conflict_p): Don't look at alias_invariant.
2630 (end_alias_analysis): Don't free it.
2631 * alias.h (record_base_value): Remove prototype.
2633 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2634 Adam Nemet <anemet@caviumnetworks.com>
2636 * rtl.h (truncated_to_mode): Declare it.
2637 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2638 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2639 (RTL_HOOKS_INITIALIZER): Include it.
2640 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2641 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2642 reg_truncated_to_mode.
2643 * rtlanal.c (truncated_to_mode): Define it.
2644 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2646 2006-02-28 Jeff Law <law@redhat.com>
2648 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2649 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2650 the range allowed by TYPE_PRECISION.
2652 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2654 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2656 PR tree-optimization/26419
2657 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2660 2006-02-27 Zack Weinberg <zackw@panix.com>
2662 * doc/md.texi: Fix typo in previous change.
2664 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2668 2006-02-27 Zack Weinberg <zackw@panix.com>
2670 * rtl.def (define_constraint, define_register_constraint)
2671 (define_memory_constraint, define_address_constraint): New MD forms.
2672 * gensupport.c (process_rtx): Put define_constraint etc on the
2674 * genpreds.c (process_define_predicate): Adjust comment. Validate
2675 the name, and call validate_exp to validate the expression.
2676 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2677 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2678 all callers changed.
2679 (validate_exp, needs_variable, struct constraint_data)
2680 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2681 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2682 (const_dbl_constraints, constraint_max_namelen)
2683 (have_register_constraints, have_memory_constraints)
2684 (have_address_constraints, have_address_constraints)
2685 (have_extra_constraints, have_const_int_constraints)
2686 (have_const_dbl_constraints, mangle, add_constraint)
2687 (process_define_constraint, process_define_register_constraint)
2688 (write_enum_constraint_num, write_lookup_constraint)
2689 (write_insn_constraint_len, write_regclass_for_constraint)
2690 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2691 (write_insn_extra_memory_constraint)
2692 (write_insn_extra_address_constraint)
2693 (write_satisfies_constraint_fns): New.
2694 (write_tm_preds_h): If we have new-style constraint definitions,
2695 prototype the functions generated from them, and define the
2696 old constraint interface (still used by generic code) in terms of
2698 (write_insn_preds_c): If we have new-style constraint definitions,
2699 generate all relevant functions from those definitions.
2700 (main): Handle define_constraint etc.
2701 * genoutput.c (struct constraint_data, indep_constraints)
2702 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2703 (mdep_constraint_len): New data structures and functions, defined
2704 #ifdef USE_MD_CONSTRAINTS.
2705 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2706 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2707 use new logic to validate operand constraints against constraint
2709 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2711 * defaults.h: If none of the old-style constraint macros are
2712 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2713 old-style macros; and poison REG_CLASS_FROM_LETTER,
2714 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2716 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2717 * doc/md.texi: Document new constraint-definition mechanism and the
2718 C interface it provides. Remove references to old mechanism
2719 elsewhere in the document.
2720 (Machine Constraints): Use pathnames relative to gcc directory,
2721 i.e. config/ARCH/FILE. Change i386 section to refer to
2722 config/i386/predicates.md; update that section to match docstrings.
2723 * doc/tm.texi: Move all documentation of the old constraint-
2724 definition macros to their own section, clearly mark as obsolete.
2726 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2727 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2729 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2730 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2731 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2733 (splits and peepholes): Use satisfies_constraint_*.
2734 * config/i386/i386.c (memory_address_length)
2735 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2737 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2739 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2740 scalar operation to be put back into the loop.
2742 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2745 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2746 (extract_cie_info): Handle S flag in augmentation string.
2747 (execute_cfa_program): If context->signal_frame, execute also
2748 fs->pc == context->ra instructions.
2749 (uw_frame_state_for): If context->signal_frame, don't subtract one
2750 from context->ra to find FDE.
2751 (uw_update_context_1): Set context->signal_frame to
2753 (_Unwind_GetIPInfo): New function.
2754 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2755 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2757 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2758 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2759 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2760 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2761 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2762 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2763 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2764 x86_64_fallback_frame_state): Set fs->signal_frame.
2765 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2766 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2767 (frob_update_context): Likewise. Workaround missing S flag in
2768 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2769 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2770 Remove the psw_addr + 1 hack.
2772 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2774 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2775 with aggregates here.
2776 (find_func_aliases): Remove code for &<aggregate> from here.
2778 2006-02-26 Roger Sayle <roger@eyesopen.com>
2780 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2781 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2782 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2785 2006-02-26 Roger Sayle <roger@eyesopen.com>
2788 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2790 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2792 * opts.c (decode_options): Do not handle flag_strength_reduce.
2793 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2794 and OPT_fstrength_reduce.
2795 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2796 flag_prefetch_loop_arrays for being nonzero.
2797 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2799 (fprefetch-loop-arrays-rtl): Removed.
2800 (flag_prefetch_loop_arrays): Do not specify the value.
2802 * doc/passes.texi: Update documentation of loop optimizer
2804 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2805 -frerun-loop-opt): Remove.
2807 2006-02-26 Richard Guenther <rguenther@suse.de>
2809 PR tree-optimization/26421
2810 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2811 in function calls that are ADDR_EXPRs as using the whole structure.
2813 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2815 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2816 * tree-pass.h (pass_loop_optimize): Remove.
2817 * passes.c (pass_loop_optimize): Never run it.
2818 * toplev.c (backend_init): Don't call init_loop.
2819 * opts.c (flag_loop_optimize_set): Remove.
2820 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2821 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2822 the old RTL loop optimizer when profiling enabled.
2823 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2824 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2825 pre-headers for the sake of the old RTL loop optimizer.
2826 * Makefile.in: Remove all references to loop.o.
2828 * doc/invoke.texi: Remove all references to -floop-optimize
2829 and -frerun-loop-opt.
2831 2006-02-26 Zack Weinberg <zackw@panix.com>
2833 * doc/md.texi (Machine Constraints): Refer to all files with paths
2834 relative to gcc directory (i.e. config/CPU/file). Add missing
2835 @table @code ... @end table to M32C subsection.
2837 2006-02-26 Roger Sayle <roger@eyesopen.com>
2839 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2841 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2843 2006-02-26 Roger Sayle <roger@eyesopen.com>
2844 James A. Morrison <phython@gcc.gnu.org>
2847 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2848 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2849 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2850 signedness of the shift operation.
2852 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2854 PR tree-optimization/26359
2855 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2857 2006-02-25 Roger Sayle <roger@eyesopen.com>
2859 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2860 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2861 as X == 0, and some symmetry related transformations.
2862 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2864 2006-02-25 Roger Sayle <roger@eyesopen.com>
2867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2868 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2869 symmetry related transformations. Fold (X^C1) == C2 as
2872 2006-02-25 Juergen Weigert <jw@suse.de>
2873 Richard Guenther <rguenther@suse.de>
2875 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2877 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2879 * combine.c (gen_lowpart_or_truncate): Call
2880 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2882 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2884 * doc/invoke.texi: Move -fopenmp description to "Options for
2886 Remove reference to -lgomp.
2888 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2890 * doc/install.texi: Require GNU tar version 1.14.
2892 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2894 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2895 * doc/invoke.texi (C++ Dialect Options): Document
2896 -fno-use-cxa-get-exception-ptr.
2897 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2898 * configure: Regenerate.
2899 * c.opt (fuse-cxa-get-exception-ptr): New.
2900 * c-opts.c (c_common_handle_option): Handle
2901 OPT_fuse_cxa_get_exception_ptr.
2902 * c-common.c (flag_use_cxa_atexit): Update documentation.
2903 (flag_use_cxa_get_exception_ptr): New.
2904 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2905 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2907 (C_COMMON_OVERRIDE_OPTIONS): New.
2909 2006-02-24 Roger Sayle <roger@eyesopen.com>
2912 * combine.c (try_combine): Explicitly check whether GET_CODE is
2913 a SET or a CLOBBER, instead on checking that it isn't a USE.
2915 2006-02-24 Roger Sayle <roger@eyesopen.com>
2917 * fold-const.c (fold_comparison): New subroutine of fold_binary
2918 containing transformations common to both the equality and
2919 ordering relational operators, factored out of fold_binary.
2920 (fold_binary): Separate out the equality operators (EQ_EXPR
2921 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2922 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2923 transformations common to both.
2924 (fold_div_compare): Fix latent bugs in the previously unreachable
2925 LT_EXPR and GE_EXPR cases.
2927 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2929 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2930 decl libname for clog to __clog on AIX.
2932 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2934 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2937 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2938 output traceback table for thunks. Localise rs6000_stack_info call.
2940 2006-02-23 Roger Sayle <roger@eyesopen.com>
2941 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2943 * gthr-posix.h (__gthrw): Fix typo in comment.
2945 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2947 * doc/cpp.texi (Character sets): Document that we do support
2948 input files to be in any character set.
2950 2006-02-23 Jeff Law <law@redhat.com>
2952 * tree.h (PHI_ARG_NONZERO): Remove.
2953 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2954 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2955 node to the new node.
2957 PR tree-optimization/26425
2958 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2959 min/max, then assume its varying.
2961 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2963 PR rtl-optimization/26316
2964 * rtlanal.c (enum may_trap_p_flags): New.
2965 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2966 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2967 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2968 (may_trap_after_code_motion_p): New function.
2969 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2970 (find_invariant_insn): Use may_trap_after_code_motion_p.
2971 * rtl.h (may_trap_after_code_motion_p): Declare.
2973 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2975 * emit-rtl.c (immed_double_const): Cleanup.
2977 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2979 Fix PR tree-optimization/26376
2980 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2983 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2986 * gimplify.c (omp_add_variable): Guard variable size decl test with
2987 DECL_SIZE (decl) check.
2989 2006-02-23 Richard Guenther <rguenther@suse.de>
2992 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2993 like aggregate types.
2995 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2997 * configure.ac: Add --with{,out}-long-double-128 configure option.
2998 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2999 * configure: Rebuilt.
3000 * config.in: Rebuilt.
3001 * doc/install.texi (Options specification): Document
3002 --with-long-double-128.
3004 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3005 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3006 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3007 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3009 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3011 * config/s390/s390.c (override_options): Handle
3012 TARGET_DEFAULT_LONG_DOUBLE_128.
3014 * config/alpha/alpha.c (override_options): Handle
3015 TARGET_DEFAULT_LONG_DOUBLE_128.
3017 * config/sparc/sparc.c (sparc_override_options): Handle
3018 TARGET_DEFAULT_LONG_DOUBLE_128.
3020 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3022 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3023 (real-install-headers-tar, real-install-headers-cpio)
3024 (real-install-headers-cp): New targets.
3026 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3028 * tree.h (variable_section): Delete.
3029 * varasm.c (variable_section): Delete.
3031 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3033 * install.texi: Add notes on install.texi2html.
3034 (Building in parallel): Do not use footnotes.
3036 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3039 * doc/install.texi (Configuration): Document --disable-libgomp.
3041 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3043 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3045 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3047 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3048 (vec_extractv2df_0_sse): New.
3050 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3052 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3053 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3054 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3055 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3056 to the result of the expression.
3057 (def_cfa_1): Adjust.
3058 (frame_pointer_cfa_offset): Rename to...
3059 (frame_pointer_fb_offset): ... this. Adjust all uses.
3060 (convert_cfa_to_loc_list): Rename to...
3061 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3062 Pass it on to build_cfa_loc.
3063 (compute_frame_pointer_to_cfa_displacement): Rename to...
3064 (compute_frame_pointer_to_fb_displacement): ... this. New
3065 offset parameter. Use it in computation.
3066 (gen_subprogram_die): Compute cfa_fb_offset with the new
3067 macro, and use it to compute the fb loc list and the
3070 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3072 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3073 replaced with register_operand.
3074 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3075 non-DREG is expensive.
3076 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3077 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3080 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3082 * doc/install.texi2html: Use set -e.
3084 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3086 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3087 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3088 * doc/invoke.texi (-fshared-data): Delete.
3089 * common.opt (fshared-data): Delete.
3090 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3091 (assemble_static_space): Remove #if 0 code.
3092 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3093 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3094 * config/cris/cris.h: Remove FIXME.
3096 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3098 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3101 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3104 * combine.c (simplify_shift_const_1): Disable nested shifts
3105 optimization for vector shifts.
3107 2006-02-20 Roger Sayle <roger@eyesopen.com>
3109 PR tree-optimization/26361
3110 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3111 of unsigned integer types.
3113 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3115 * tree-chrec.c (eq_evolutions_p): New.
3116 * tree-chrec.h (eq_evolutions_p): Declared.
3117 * tree-data-ref.c: Fix formatting.
3118 (datadep_stats, dependence_stats): New.
3120 (print_direction_vector): New.
3121 (dump_data_dependence_relation): Use print_direction_vector.
3122 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3123 (compute_subscript_distance): Static.
3124 (initialize_data_dependence_relation): Static. Get the number
3125 of loops surrounding the references from the callers, and initialize
3126 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3127 base_object_differ_p analyzers.
3128 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3129 compute_overlap_steps_for_affine_1_2,
3130 analyze_subscript_affine_affine): Count the classified dependences.
3131 Print a message when a test failed.
3132 (can_use_analyze_subscript_affine_affine): New.
3133 (analyze_siv_subscript): Compute the data dependences on symbolic
3134 scevs that verify can_use_analyze_subscript_affine_affine.
3135 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3136 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3137 Handle symbolic scevs.
3138 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3140 (subscript_dependence_tester): Moved...
3141 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3142 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3143 DDR_SIZE_VECT instead of getting it in parameter.
3144 (subscript_dependence_tester): ... here. Take as a parameter
3145 loop_nest_depth. Call build_classic_dist_vector and
3146 build_classic_dir_vector.
3147 (compute_affine_dependence): Update subscript_dependence_tester
3148 parameters. Update datadep_stats counters. Call
3149 compute_subscript_distance.
3150 (compute_self_dependence): Save the dist and dir vectors. Call
3151 compute_subscript_distance.
3152 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3153 (compute_all_dependences): Reorder parameters as they were before
3154 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3155 compute_subscript_distance. Update the use of
3156 compute_affine_dependence and initialize_data_dependence_relation.
3157 (find_data_references_in_loop): Handle COMPONENT_REF.
3158 (compute_data_dependences_for_loop): Initialize dependence_stats.
3159 Don't call build_classic_dist_vector and build_classic_dir_vector.
3160 Update the parameters of initialize_data_dependence_relation and
3161 compute_all_dependences. Print the statistics from datadep_stats.
3162 (analyze_all_data_dependences): Static. Not used until the pass for
3163 checking the data dependences is contributed.
3164 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3165 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3166 (initialize_data_dependence_relation, compute_affine_dependence,
3167 analyze_all_data_dependences, compute_subscript_distance): Removed.
3168 (print_direction_vector): New.
3169 * lambda.h (gcd): ... here.
3170 (lambda_vector_gcd): Moved here from gcd_vector.
3171 * lambda-code.c (gcd, gcd_vector): Removed.
3172 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3173 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3175 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3177 * ipa-type-escape.c: Tidy some comments and white space.
3178 * tree-ssa-operands.c: Likewise.
3180 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3183 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3184 (dump_decl_name): Do not walk the decl tree chains.
3185 * tree-pass.h (TDF_CHAIN): Remove.
3187 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3189 * Makefile.in (C): Remove
3191 (.PHONY): Remove C and PROTO
3193 2006-02-20 Roger Sayle <roger@eyesopen.com>
3196 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3197 deprecated CHAR_TYPE tree code.
3199 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3201 * configure.ac (target_list): Add install-info, dvi, html.
3202 * configure: Regenerate.
3204 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3205 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3206 treelang/Make-lang.in: Do not use double-colon rules.
3208 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3210 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3211 (TMT_USED_ALONE): New macro.
3212 * tree-pass.h (PROP_tmt_usage): New property.
3213 (TODO_update_tmt_usage): New todo.
3214 * tree-ssa-alias.c (updating_used_alone): New variable.
3215 (recalculate_used_alone): New function.
3216 (compute_may_aliases): Set updating_used_alone, call
3217 recalculate_used_alone.
3218 * tree-sra.c (pass_sra): Note that this pass destroys
3219 PROP_tmt_usage, and add TODO_update_tmt_usage.
3220 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3221 * tree-flow.h (updating_used_alone): Prototype.
3222 (recalculate_used_alone): Ditto.
3223 * passes.c (execute_todo): Add code to set updating_used_alone,
3224 and call recalculate.
3225 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3226 for clobber if used alone, and add assert to verify used_alone
3229 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3231 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3232 for non tls symbols added.
3233 (legitimize_address): Do nothing for PLUS expressions if one of the
3234 addends is a tls symbol reference.
3236 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3240 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3242 * Makefile.in (BOOTSTRAPPING): New.
3243 (quickstrap): New definition if BOOTSTRAPPING=yes.
3245 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3246 * configure.ac: Substitute all_selected_languages with the languages
3247 that were configured. For all the other variables except
3248 lang_specs_files, include all the languages in the tree.
3249 * configure: Regenerate.
3251 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3252 if there is one. Run the commands to run fixincludes in the same
3255 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3256 * doc/install.texi: Document exact conventions for searching target tools.
3257 Document --with-build-time-tools. Document toplevel bootstrap. Document
3258 something more about building an Ada cross-compiler. Don't list GNU Make
3259 requirements which affect all platforms.
3261 2006-02-19 Roger Sayle <roger@eyesopen.com>
3264 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3265 only equivalent if the have both the same mode and precision.
3267 2006-02-20 Ben Elliston <bje@au.ibm.com>
3269 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3271 2006-02-19 Roger Sayle <roger@eyesopen.com>
3272 Steven Bosscher <stevenb.gcc@gmail.com>
3274 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3275 constant pool references to identify stack mode constants.
3276 * rtlanal.c (constant_pool_constant_p): New predicate to check
3277 whether operand is a floating point constant in the pool.
3278 * rtl.h (constant_pool_constant_p): Prototype here.
3279 * loop.c (scan_loop): Avoid hoisting constants from the constant
3280 pool on STACK_REGS targets.
3281 (load_mems): Likewise.
3282 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3283 loads into x87 registers expensive in terms of register pressure.
3285 2006-02-19 Roger Sayle <roger@eyesopen.com>
3287 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3288 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3290 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3292 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3293 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3295 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3297 * doc/invoke.texi: Document -fipa-pta.
3298 * common.opt: Add ipa-pta option.
3299 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3300 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3301 (do_ds_constraint): Ditto.
3302 (get_constraint_for): Only add to referenced_vars if
3303 referenced_vars exists.
3304 (insert_into_field_list): Rewrite to do this unsorted.
3305 (insert_into_field_list_sorted): Rename old insert_into_field_list
3307 (create_function_info_for): Use insert_into_field_list_sorted.
3308 (create_variable_info_for): Rewrite so it uses unsorted version,
3309 since the field list is sorted.
3310 (intra_create_variable_infos): Only add to referenced_vars if
3311 referenced_vars exists.
3312 (ipa_pta_execute): Init heapvars, and delete when done.
3313 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3315 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3317 * doc/install.texi: Add missing `@samp'.
3319 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3321 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3324 2006-02-18 Mark Wielaard <mark@klomp.org>
3326 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3327 who added new 4.1 features, bug fixes and integration support.
3329 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3332 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3335 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3337 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3338 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3339 (copy_insn_1): Likewise. Don't copy each field individually.
3341 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3343 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3344 * rtl.c (rtx_size): Rename variable to...
3345 (rtx_code_size): ...this.
3346 (rtx_size): New function.
3347 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3348 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3350 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3351 * rtl.h (rtx_code_size): New variable.
3352 (rtx_size): Change from a variable to a function.
3353 (RTX_SIZE): Rename to...
3354 (RTX_CODE_SIZE): ...this.
3357 PR tree-optimization/17106
3358 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3359 (Anchored Addresses): New section.
3360 * doc/invoke.texi (-fsection-anchors): Document.
3361 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3362 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3363 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3364 * hooks.c (hook_bool_mode_rtx_false): New function.
3365 * hooks.h (hook_bool_mode_rtx_false): Declare.
3366 * gengtype.c (create_optional_field): New function.
3367 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3368 SYMBOL_REF_IN_BLOCK_P is true.
3369 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3370 (min_anchor_offset, max_anchor_offset): Likewise.
3371 (use_anchors_for_symbol_p): New hook.
3372 * toplev.c (compile_file): Call output_object_blocks.
3373 (target_supports_section_anchors_p): New function.
3374 (process_options): Check that -fsection-anchors is only used on
3375 targets that support it and when -funit-at-a-time is in effect.
3376 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3377 if the decl doesn't have one.
3378 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3379 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3380 of force_const_mem through use_anchored_address.
3381 (expand_expr_constant): New function.
3382 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3383 calling expand_expr for INDIRECT_REF.
3384 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3385 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3386 * expr.h (use_anchored_address): Declare.
3387 * loop-unroll.c: Don't declare rtx vectors here.
3388 * explow.c: Include output.h.
3389 (validize_mem): Call use_anchored_address.
3390 (use_anchored_address): New function.
3391 * common.opt (-fsection-anchors): New switch.
3392 * varasm.c (object_block_htab, anchor_labelno): New variables.
3393 (hash_section, object_block_entry_eq, object_block_entry_hash)
3394 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3395 (use_blocks_for_decl_p, change_symbol_section): New functions.
3396 (get_variable_section): New function, split out from assemble_variable.
3397 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3398 use_blocks_for_decl_p say so. Use change_symbol_section if the
3399 symbol has already been created.
3400 (assemble_variable_contents): New function, split out from...
3401 (assemble_variable): ...here. Don't output any code for
3402 block symbols; just pass them to place_block_symbol.
3403 Use get_variable_section and assemble_variable_contents.
3404 (get_constant_alignment, get_constant_section, get_constant_size): New
3405 functions, split from output_constant_def_contents.
3406 (build_constant_desc): Create a block symbol if use_object_blocks_p
3407 says so. Or into SYMBOL_REF_FLAGS.
3408 (assemble_constant_contents): New function, split from...
3409 (output_constant_def_contents): ...here. Don't output any code
3410 for block symbols; just pass them to place_section_symbol.
3411 Use get_constant_section and get_constant_alignment.
3412 (force_const_mem): Create a block symbol if use_object_blocks_p and
3413 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3414 (output_constant_pool_1): Add an explicit alignment argument.
3415 Don't switch sections here.
3416 (output_constant_pool): Adjust call to output_constant_pool_1.
3417 Switch sections here instead. Don't output anything for block symbols;
3418 just pass them to place_block_symbol.
3419 (init_varasm_once): Initialize object_block_htab.
3420 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3421 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3422 (place_block_symbol, get_section_anchor, output_object_block)
3423 (output_object_block_htab, output_object_blocks): New functions.
3424 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3425 (TARGET_ASM_OUT): Include it.
3426 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3427 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3428 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3429 (TARGET_INITIALIZER): Include them.
3430 * rtl.c (rtl_check_failed_block_symbol): New function.
3431 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3432 (block_symbol, object_block): New structures.
3433 (rtx_def): Add a block_symbol field to the union.
3434 (BLOCK_SYMBOL_CHECK): New macro.
3435 (rtl_check_failed_block_symbol): Declare.
3436 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3437 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3438 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3439 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3440 * output.h (output_section_symbols): Declare.
3441 (object_block): Name structure.
3442 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3443 (default_use_anchors_for_symbol_p): Declare.
3444 * Makefile.in (RTL_BASE_H): Add vec.h.
3445 (explow.o): Depend on output.h.
3446 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3447 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3448 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3449 (rs6000_use_blocks_for_constant_p): New function.
3451 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3453 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3455 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3458 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3461 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3463 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3467 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3470 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3471 instead of DECL_REGISTER.
3473 2006-02-18 Olivier Hainque <hainque@adacore.com>
3476 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3478 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3481 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3482 * opth-gen.awk: Handle Var and InverseMask together.
3483 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3484 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3485 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3486 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3488 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3489 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3490 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3491 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3492 LINUX_DYNAMIC_LINKER): Define.
3493 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3494 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3496 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3497 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3498 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3500 (TARGET_C99_FUNCTIONS): Don't define.
3501 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3502 GLIBC_DYNAMIC_LINKER.
3503 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3504 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3505 GLIBC_DYNAMIC_LINKER64): Define.
3506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3507 LINUX_DYNAMIC_LINKER64.
3508 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3510 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3512 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3514 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3515 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3516 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3518 and LINUX_DYNAMIC_LINKER32.
3519 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3521 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3523 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3525 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3526 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3527 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3528 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3529 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3530 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3531 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3532 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3533 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3534 LINUX_DYNAMIC_LINKER): Define.
3535 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3536 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3537 GLIBC_DYNAMIC_LINKER64): Define.
3538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3539 LINUX_DYNAMIC_LINKER64.
3540 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3541 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3542 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3543 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3544 LINUX_DYNAMIC_LINKER): Define.
3545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3546 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3547 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3548 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3549 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3550 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3551 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3552 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3553 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3554 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3556 * doc/invoke.texi (-muclibc): Remove caveat about supported
3559 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3561 * doc/cpp.texi (__TIMESTAMP__): Document.
3563 2006-02-17 Roger Sayle <roger@eyesopen.com>
3566 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3567 C is one less than the width of X (and related transformations).
3568 * simplify-rtx.c (simplify_unary_operation_1): Transform
3569 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3570 depending on STORE_FLAG_VALUE, were C is one less then the
3573 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3575 Fix PR tree-optimization/26341
3576 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3577 about NAME_MEMORY_TAG's.
3579 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3582 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3583 with hardware float support, and software float support. Add fcpy
3584 alternative to hardware patterns. Add alternatives to copy between
3585 general and floating-point registers to the 32-bit pattern.
3586 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3587 secondary reload to load a QI or HI mode constant into a floating
3589 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3590 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3592 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3595 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3597 (load_macho_picbase_di): Likewise.
3599 2006-02-16 Jeff Law <law@redhat.com>
3601 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3602 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3603 (ssa_name_nonzero_p): Likewise.
3604 (get_value_range): Return NULL if VRP is not running.
3605 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3606 VRP routines do not discover a range.
3607 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3608 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3609 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3610 (tree_expr_nonnegative_p): Similarly.
3611 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3612 (restore_nonzero_vars_to_original_value): Remove.
3613 (unsafe_associative_fp_binop): Remove.
3614 (tree_ssa_dominator_optimize): Remove initialization and
3615 finalization of nonzero_vars and nonzero_vars_stack.
3616 (dom_opt_initialize_block): No longer push marker on
3618 (dom_opt_finalize_block): No longer call
3619 restore_nonzero_vars_to_original_value.
3620 (record_equivalences_from_phis): No longer look for
3621 nonzero PHI arguments.
3622 (cprop_into_successor_phis): No longer propagate nonzero
3623 property into PHI arguments. Lose unused argument. Caller
3625 (record_equivalences_from_stmt): No longer record nonzero
3626 values for SSA_NAMEs.
3627 (lookup_avail_expr): No longer use nonzero_vars.
3629 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3630 for sizetype when sizetype is unsigned.
3632 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3634 PR rtl-optimization/25603
3635 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3636 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3637 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3638 with new meaning of SETS.
3640 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3645 * config/linux.opt: New file.
3646 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3647 LINUX_DYNAMIC_LINKER): Define.
3648 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3649 * config.gcc (*-*-linux*): Define extra_options.
3650 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3651 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3652 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3653 GLIBC_DYNAMIC_LINKER.
3654 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3655 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3656 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3658 * doc/invoke.texi (GNU/Linux Options): New section.
3660 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3662 * config/sparc/sparc.md (setjmp): Rewrite.
3663 (setjmp_32): Delete.
3664 (setjmp_64): Likewise.
3666 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3668 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3671 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3673 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3676 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3678 PR rtl-optimization/26296
3679 * Makefile.in (loop-invariant.c): Add except.h dependency.
3680 * loop-invariant.c: Include except.h.
3681 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3683 2005-02-16 Paul Brook <paul@codesourcery.com>
3685 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3688 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3690 PR rtl-optimization/25636
3691 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3692 when deciding whether an insn is an initializing insn.
3694 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3696 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3697 (tree_code_size): Ditto.
3698 * tree.h (struct tree_memory_tag): Remove parent_var.
3699 (struct tree_struct_field_tag): New.
3702 (union tree_node): Add sft member.
3703 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3705 (create_sft): Add size and offset argument, set SFT_OFFSET and
3707 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3708 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3709 * tree-flow-inline.h (get_subvar_at): Update for
3710 SFT_OFFSET/SFT_SIZE.
3711 (var_can_have_subvars): Ditto.
3712 (overlap_subvar): Ditto.
3713 * print-tree.c (print_node): Print out interesting things for
3715 * tree-flow.h (struct subvar): Remove offset and size members.
3716 * tree-ssa-operands.c (get_expr_operands): Update for
3717 get_indirect_ref_operands changes.
3718 (get_indirect_ref_operands): Call add_virtual_operand instead of
3719 add_stmt_operand. Only recurse on base var if requested.
3720 (access_can_touch_variable): New function.
3721 (add_stmt_operand): Split virtual operand handling into ...
3722 (add_virtual_operand): Here. Add offset, size, and for_clobber
3723 arguments. Prune alias sets.
3724 (add_call_clobber_ops): Call add_virtual_operand.
3726 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3729 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3731 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3732 than TREE_CODE as index into omp_clause_num_ops array.
3734 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3736 PR rtl-optimization/26184
3737 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3739 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3740 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3741 must_precede, must_follow and tobe_scheduled.
3744 * opts.c (common_handle_option): Free new_option pointer.
3745 * df-core.c (df_analyze): Free postorder pointer.
3747 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3749 * Makefile.in: Fix the examples about the use of stamps
3751 2006-02-15 Michael Matz <matz@suse.de>
3755 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3756 influenced by maximum_field_alignment or DECL_PACKED.
3757 (update_alignment_for_field): Ditto.
3758 (place_field): Ditto.
3759 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3762 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3764 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3765 (debug_flow_info): Pass it.
3766 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3767 * bb-reorder.c (reorder_basic_blocks): Likewise.
3768 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3769 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3770 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3771 * gcse.c (gcse_main, bypass_jumps): Likewise.
3772 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3773 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3774 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3775 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3776 * rtl.h (dump_flow_info): Adjust prototype.
3777 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3778 * var-tracking.c (variable_tracking_main): Likewise.
3779 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3780 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3783 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3785 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3788 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3790 PR tree-optimization/26209
3791 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3792 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3794 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3796 2006-02-14 Roger Sayle <roger@eyesopen.com>
3799 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3800 (X,Y) and the corresponding symmetry related transformations.
3801 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3802 (X,Y) and its symmetry related transformations.
3804 2006-02-14 Roger Sayle <roger@eyesopen.com>
3806 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3809 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3811 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3813 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3816 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3817 support COMDAT group.
3818 * configure: Regenerate.
3820 2006-02-14 Roger Sayle <roger@eyesopen.com>
3825 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3827 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3829 Fix PR tree-optimization/26260
3831 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3833 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3834 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3835 * tree-ssa-structalias.c (create_variable_info_for): Use
3836 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3838 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3840 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3842 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3843 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3844 of the ending condition.
3845 * tree-ssa-loop-manip.c: Include params.h.
3846 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3847 tree_unroll_loop): New functions.
3848 * tree-pass.h (pass_loop_prefetch): Declare.
3849 * loop.c (rest_of_handle_loop_optimize): Test for
3850 -fprefetch-loop-arrays-rtl.
3851 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3852 * timevar.def (TV_TREE_PREFETCH): New timevar.
3853 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3854 pass_loop_prefetch): New.
3855 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3856 (cleanup_tree_cfg_loop): Call scev_reset.
3857 * common.opt (fprefetch-loop-arrays-rtl): Add.
3858 * tree-ssa-loop-prefetch.c: New file.
3859 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3860 (new_temp_expr_table): Initialize expr_vars.
3861 (free_temp_expr_table): Cleanup expr_vars.
3862 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3863 expressions from being merged into one.
3864 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3865 (struct tree_niter_desc): Add control, bound and cmp fields.
3866 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3868 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3869 (tree-cfgcleanup.o): Add SCEV_H dependency.
3870 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3871 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3873 2006-02-14 Richard Guenther <rguenther@suse.de>
3875 PR tree-optimization/26258
3876 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3877 in PHI argument processing.
3879 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3881 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3882 new expression in the requested machine mode.
3884 2006-02-13 Roger Sayle <roger@eyesopen.com>
3886 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3887 directly, instead let do_compare_rtx_and_jump handle this for us.
3888 * expr.c (expand_expr_real_1): Likewise.
3889 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3890 before do_jump_by_parts_greater.
3891 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3892 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3894 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3896 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3898 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3900 PR rtl-optimization/26235
3901 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3902 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3905 2006-02-13 Jeff Law <law@redhat.com>
3907 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3910 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3913 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3914 twice if decl is a builtin. When trying again, call get_callee_fndecl
3915 first to verify it is still a builtin.
3917 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3919 * dwarf2out.c (base_type_die): Don't add AT_name here.
3920 (subrange_type_die): Don't add AT_name here.
3921 (modified_type_die): Rearrange code flow. Do add AT_name here.
3923 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3925 PR rtl-optimization/26247
3926 PR rtl-optimization/26248
3927 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3929 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3931 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3932 * config/fixtfdi.c: Likewise.
3933 * config/fixunstfdi.c: Likewise.
3934 * config/floatditf.c: Likewise.
3936 2006-02-13 Roger Sayle <roger@eyesopen.com>
3939 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3940 into (X,C2) if C1 is a subset of the bits of C2. Transform
3941 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3943 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3945 2006-02-13 Josh Conner <jconner@apple.com>
3948 * varasm.c (function_section): Check for section name before
3949 calling select_section on targets that define
3950 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3951 unlikely_text_section instead of hot_function_section if
3952 first_function_block_is_cold.
3954 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3957 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3959 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3961 PR rtl-optimization/26222
3962 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3963 after tree->rtl expansion.
3964 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3965 before passing it to emit_move_insn.
3967 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3969 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3971 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3972 Clarify documentation.
3973 * c-common.h (warn_write_strings): Remove.
3974 * c-common.c (warn_write_strings): Likewise.
3975 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3978 2006-02-12 Roger Sayle <roger@eyesopen.com>
3981 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3982 (do_jump_parts_zero_rtx): New function renamed from
3983 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3984 (do_jump_parts_equality_rtx): New function split out from
3985 do_jump_parts_equality. Old implementation renamed as above.
3986 Call do_jump_parts_zero_rtx if either operand is zero.
3987 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3988 do all of the heavy lifting.
3989 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3990 calling either do_jump_by_parts_greater_rtx or
3991 do_jump_by_parts_equality_rtx.
3992 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3993 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3994 moved to do_compare_rtx_and_jump, call it directly.
3995 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3996 mode argument. Call do_compare_rtx_and_jump.
3997 (emit_case_nodes): Update calls to do_jump_if_equal.
3999 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4001 PR rtl-optimization/26225
4002 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4004 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4006 PR rtl-optimization/26232
4007 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4009 2006-02-11 Jason Merrill <jason@redhat.com>
4012 * tree-inline.c (declare_return_variable): Just don't use the
4013 modify target if it's a gimple complex reg and the return slot
4016 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4018 * doc/contrib.texi: Update my entry.
4020 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4022 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4024 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4026 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4029 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4031 * doc/invoke.texi (-floop-optimize2): Removed.
4032 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4033 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4034 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4035 * common.opt (floop-optimize2): Removed.
4036 (fmove-loop-invariants): Enabled by default.
4038 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4040 * tree-if-conv.c (combine_blocks): Free the result of
4041 get_loop_exit_edges.
4043 2006-02-10 Jeff Law <law@redhat.com>
4045 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4047 PR tree-optimization/26213
4048 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4049 loop trying to follow SSA_NAME_VALUE chains.
4051 2006-02-10 Richard Guenther <rguenther@suse.de>
4053 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4054 deal with structures that end in implicitly variable sized arrays.
4056 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4058 PR rtl-optimization/24762
4059 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4062 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4064 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4065 (struct ivopts_data): Add regs_used field.
4066 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4067 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4068 instead of loop_data->regs_used;
4069 (free_loop_data): Do not free aux fields for loops.
4070 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4071 and tree_ssa_iv_optimize_finalize.
4073 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4075 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4077 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4080 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4081 computing the effective result type.
4083 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4086 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4087 (tree_overlaps_hard_reg_set): Declare.
4088 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4089 type and signature to match function type expected by walk_tree.
4090 (tree_overlaps_hard_reg_set): New function.
4091 (decl_conflicts_with_clobbers_p): Rename to:
4092 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4093 Use tree_overlaps_hard_reg_set. Changed caller.
4094 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4095 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4096 * cris.c (cris_md_asm_clobbers): Likewise.
4098 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4100 * reload1.c (emit_input_reload_insns): Delete code that tries to
4101 inherit using find_equiv_reg.
4103 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4105 * c-common.h (flag_const_strings): Don't declare.
4106 * c-common.c (flag_const_strings): Remove.
4107 * c.opt (fconst_strings): Remove.
4108 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4109 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4110 (c_common_init_options): Don't set flag_const_strings.
4111 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4113 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4115 * arm.md (tlobits_cbranch): New pattern.
4116 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4117 testing a single bit.
4119 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4122 * tree-ssa-pre.c (create_component_ref_by_pieces):
4123 Handle RETURN_DECL like VAR_DECL.
4125 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4128 * fold-const.c (fold_indirect_ref_1): Fold
4129 "*(foo *)&complexfoo" to "__real__ complexfoo"
4130 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4132 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4134 * tree-flow-inline.h (var_can_have_subvars):
4135 Volatile variables should not have subvariables.
4137 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4140 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4141 multiplying unsigned values.
4144 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4146 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4148 2006-02-08 Jason Merrill <jason@redhat.com>
4151 * tree.def: Elaborate on difference from MODIFY_EXPR.
4152 * doc/c-tree.texi (INIT_EXPR): Likewise.
4153 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4154 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4155 (gimplify_target_expr): Likewise.
4156 (gimplify_cond_expr): Remove target handling.
4157 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4158 (gimplify_expr): Clobber it here.
4159 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4160 Do return slot optimization if we have an INIT_EXPR.
4163 * tree-inline.c (declare_return_variable): Also clear
4164 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4167 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4170 * gimplify.c (gimplify_one_sizepos): Fix typo.
4172 2006-02-08 Jeff Law <law@redhat.com>
4174 PR tree-optimization/21417
4175 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4176 across a backedge if the control statement at the end of the
4177 block is data dependent on other statements in the same block.
4178 (record_temporary_equivalences_from_stmts): Remove over-conservative
4179 test for threading across backedges.
4181 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4182 control statement, handle all three special cases in the same
4183 manner as they all have the same desired solution. No longer
4184 special case edge flag updating when the post dominator is
4187 2006-02-08 Roger Sayle <roger@eyesopen.com>
4189 * tree.def (CHAR_TYPE): Remove.
4190 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4191 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4192 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4193 (gen_string_type_die): Delete unreachable function.
4195 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4196 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4197 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4198 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4199 * builtins.c (type_to_class): Likewise.
4200 * fold-const.c (fold_convert, build_range_check,
4201 merge_ranges): Likewise.
4202 * expr.c (count_type_elements): Likewise.
4203 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4204 * stor-layout.c (layout_type): Likewise.
4205 * ipa-type-escape.c (type_to_consider): Likewise.
4206 * gimplify.c (omp_firstprivatize_type_sizes,
4207 gimplify_type_sizes): Likewise.
4208 * explow.c (promote_mode): Likewise.
4209 * tree-sra.c (is_sra_scalar_type): Likewise.
4210 * varasm.c (output_constant): Likewise.
4211 * tree-inline.c (remap_type_1): Likewise.
4212 * convert.c (convert_to_pointer, convert_to_real,
4213 convert_to_integer, convert_to_complex): Likewise.
4215 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4217 * df-scan.c (df_def_record_1): A set destination may
4218 be a parallel regardless of mode.
4220 2006-02-08 Roger Sayle <roger@eyesopen.com>
4223 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4224 * config/mips/_tilib.c: Remove.
4225 * config/fixtfdi.c: New libgcc source file.
4226 * config/fixunstfdi.c: New source file.
4227 * config/floatditf.c: New source file.
4228 * config/floatunditf.c: New souce file.
4229 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4230 files above instead of config/mips/_tilib.c.
4231 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4233 2006-02-08 Jeff Law <law@redhat.com>
4235 PR tree-optimization/26169
4236 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4239 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4241 * df.h (DF_REG_SIZE): Return the length of the initialized
4244 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4246 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4247 __muldf3): Return a correctly signed zero.
4249 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4251 * passes.c (register_one_dump_file): Accept the current properties
4252 instead of pass number. Adjust call to dump_register. Remove
4254 (register_dump_files): Now a wrapper around...
4255 (register_dump_files_1): ... this one. Do not modify the pass
4257 (next_pass_1): Cosmetic fix.
4258 (execute_todo): Keep second parameter only. Use curr_properties
4259 instead of fetching it from the pass structure. Check and set
4261 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4262 instead of fetching it from the pass structure. Fix calls to
4263 execute_todo. Update curr_properties and initialize .vcg RTL dump
4264 after running the pass. Reset last_verified.
4265 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4267 (FIRST_AUTO_NUMBERED_DUMP): New.
4268 (dump_register): Remove "num" parameter, assign it within the
4270 (get_dump_file_name): Modify template for dumps.
4271 * tree-dump.h (dump_register): Adjust prototype.
4272 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4273 (PROP_trees): Add PROP_gimple_lomp.
4274 (TODO_set_props): New.
4275 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4276 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4277 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4279 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4281 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4282 (sparc64-*-linux*): Likewise.
4283 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4284 * config/sparc/t-linux: New file.
4285 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4286 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4287 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4288 -m32 -mlong-double-128.
4290 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4291 * config/alpha/t-linux: New file.
4292 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4294 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4295 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4296 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4297 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4298 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4299 (CPP_ARCH32_SPEC): Remove.
4301 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4303 PR tree-optimization/26145
4304 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4307 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4310 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4311 >= 240000 when generating code for SOM runtime.
4312 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4313 to $$dyncall when generating code for SOM runtime..
4315 2006-02-07 Dirk Mueller <dmueller@suse.com>
4318 * doc/invoke.texi (-Wsequence-point): Update documentation
4319 that -Wsequence-point is implemented for C++ as well.
4321 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4323 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4324 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4325 (LIB_SPEC): Likewise.
4326 * doc/invoke.texi (SPARC options): Document -pthread.
4328 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4330 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4333 2006-02-07 Roger Sayle <roger@eyesopen.com>
4335 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4336 Correct comment describing BOOLEAN_TYPE.
4338 2006-02-07 Dirk Mueller <dmueller@suse.com>
4340 * c.opt: C++ frontend supports -Wdiv-by-zero.
4341 * c-opts.c (c_common_handle_option): Remove dead case.
4343 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4345 * configure.ac (TLS assembler check): Do not enable TLS by
4346 default on SPARC/Solaris before version 10.
4347 * configure: Regenerate.
4349 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4351 * doc/invoke.texi (xl-compat): Document conversion and support
4354 2006-02-07 Jeff Law <law@redhat.com>
4356 * tree-vrp.c (find_conditional_asserts): Update comments.
4357 (simplify_stmt_for_jump_threading): New.
4358 (identify_jump_threads, finalize_jump_threads): New.
4359 (vrp_finalize): Call identify_jump_threads.
4360 (execute_vrp): Call finalize_jump_threads.
4361 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4362 (vrp_element, vrp_data, vrp_element_p): Remove.
4363 (vrp_hash_elt, vrp_variables_stack): Remove.
4364 (vrp_hash, vrp_eq, record_range): Remove.
4365 (simplify_cond_and_lookup_avail_expr): Remove.
4366 (extract_range_from_cond): Remove.
4367 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4368 (simplify_stmt_for_jump_threading): New.
4369 (dom_thread_across_edge): New wrapper.
4370 (tree_ssa_dominator_optimize): No longer initialize or
4371 finalize any of the VRP datastructures. Remove iteration
4372 step and simplify as a result of removal of iteration step.
4373 (pass_dominator): Perform a cfg cleanup after DOM.
4374 (dom_opt_finalize_block): Use the new common routines
4375 for threading jumps. Simplify stack management slightly.
4376 No longer need to unwind VRP state.
4377 (record_equivalences_from_incoming_edge): No longer record
4379 (eliminate_redundant_computations): No longer call
4380 simplify_cond_and_lookup_avail_expr.
4381 * tree-flow.h (potentially_threadable_block): Prototype.
4382 (thread_across_edge): Likewise.
4383 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4384 (tree-ssa-threadedge.o): Add dependencies.
4385 * tree-ssa-threadedge.c: New file.
4386 * passes.c (init_optimization_passes): Merge PHIs before
4387 calling VRP. Run VRP again late in the SSA optimization pipeline.
4389 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4391 * df-core.c (df_set_blocks): Do not dereference function pointers.
4392 (df_finish1): Likewise.
4393 (df_hybrid_search_forward): Likewise.
4394 (df_hybrid_search_backward): Likewise.
4395 (df_iterative_dataflow): Likewise.
4396 (df_analyze_problem): Likewise.
4397 (df_compact_blocks): Likewise.
4398 (df_dump): Likewise.
4399 * df-scan.c (df_rescan_blocks): Likewise.
4400 (df_record_entry_block_defs): Likewise.
4402 * genconditions.c (write_conditions): Guard the definition of
4403 'insn_conditions' with the check on GCC version.
4404 (write_writer): Guard the traversal 'insn_conditions' with
4405 the check on GCC version.
4407 2006-02-07 Richard Guenther <rguenther@suse.de>
4411 2006-01-30 Richard Guenther <rguenther@suse.de>
4413 * gimplify.c (gimplify_target_expr): Handle easy cases
4414 without creating a temporary.
4416 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4418 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4419 use of float in probability computations. Use edge probabilities
4420 in place of statically computed probabilities.
4421 (min_spec_prob): New static variable.
4422 (schedule_insns): Initialize it.
4423 (GET_SRC_PROB): Removed.
4424 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4426 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4429 * config/ia64/unwind-ia64.c: Revert last change.
4430 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4431 (INCOMING_FRAME_SP_OFFSET): Define.
4433 2006-02-06 Roger Sayle <roger@eyesopen.com>
4435 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4437 2006-02-07 Ben Elliston <bje@au.ibm.com>
4439 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4440 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4441 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4442 (ix86_return_in_memory): Handle TDmode.
4443 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4444 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4446 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4448 * reorg.c (dbr_schedule): Use dump_file instead of file.
4450 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4453 * config/ia64/predicates.md (extr_len_operand): New predicate.
4454 * config/ia64/ia64.md (extv): Tighten constraints.
4456 (*tbit_and_2): Ditto.
4457 (*tbit_and_3): Ditto.
4458 (*tbit_or_2): Ditto.
4459 (*tbit_or_3): Ditto.
4463 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4466 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4468 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4470 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4471 loop_optimizer_init and loop_optimizer_finalize
4472 * tree-ssa-sink.c (execute_sink_code): Ditto.
4473 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4474 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4475 tree_ssa_loop_done): Ditto.
4476 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4477 * sched-ebb.c: Include output.h.
4478 (schedule_ebbs): Do not use dump argument.
4479 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4480 * loop.c (loop_dump_stream): Removed.
4481 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4483 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4484 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4485 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4486 loop_iterations, strength_reduce, record_biv, record_giv,
4487 final_giv_value, check_final_value, check_ext_dependent_givs,
4488 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4489 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4490 dump_file instead of loop_dump_stream.
4491 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4493 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4495 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4496 * haifa-sched.c: Include output.h
4497 (schedule_insns, sched_init): Do not use dump argument.
4498 * mode-switching.c (optimize_mode_switching): Ditto.
4499 * modulo-sched.c (stats_file): Removed.
4500 (print_node_sched_params): Do not call argument dump_file.
4501 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4502 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4504 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4506 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4507 rtl_loop_init, rtl_loop_done): Ditto.
4508 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4509 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4511 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4512 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4513 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4514 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4515 * emit-rtl.c (renumber_insns): Ditto.
4516 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4517 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4518 * regclass.c (regclass): Ditto.
4519 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4520 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4521 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4522 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4524 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4525 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4527 * gcse.c (gcse_file, debug_stderr): Removed.
4528 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4529 rest_of_handle_gcse): Do not use dump argument.
4530 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4531 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4532 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4533 compute_code_hoist_vbeinout, compute_code_hoist_data,
4534 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4535 compute_store_table, build_store_vectors, insert_insn_start_bb,
4536 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4537 store_motion): Use dump_file instead of gcse_file.
4538 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4539 * profile.c (profile_dump_file): Removed.
4540 (branch_prob): Use dump_file instead of profile_dump_file.
4541 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4543 * tree-ssa-copy.c (dump_copy_of): Ditto.
4544 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4545 dump file to life_analysis.
4546 * bt-load.c (branch_target_load_optimize): Ditto.
4547 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4549 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4550 regclass, dbr_schedule): Declaration changed.
4551 * sched-int.h (sched_init): Declaration changed.
4552 * tree-profile.c (tree_profile_dump_file): Removed.
4553 (tree_profile_hooks): Removed profile_dump_file hook.
4554 * rtl-profile (rtl_profile_dump_file): Removed.
4555 (rtl_profile_hooks): emoved profile_dump_file hook.
4556 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4558 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4559 * tree-cfg.c (build_tree_cfg): Ditto.
4560 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4561 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4562 Declaration changed.
4563 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4564 life_analysis and schedule_insns.
4565 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4567 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4569 * config/mips/mips.c (mips_reorg): Ditto.
4570 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4573 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4575 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4576 (s390_mangle_fundamental_type): New.
4577 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4580 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4581 (alpha_mangle_fundamental_type): New.
4582 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4585 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4587 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4589 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4590 (sparc_mangle_fundamental_type): New.
4592 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4594 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4595 (s390x-*-linux*): Likewise.
4596 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4597 * config/s390/t-linux: New file.
4599 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4601 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4602 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4604 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4606 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4607 (ANTIC_SAFE_LOADS): New macro.
4608 (find_or_generate_expression): Add prototype.
4609 (set_contains_value): Allow null set for sake of not always having
4610 to allocate ANTIC_SAFE_LOADS.
4611 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4612 Allow COMPONENT_REF too.
4613 (valid_in_set): Allow COMPONENT_REF.
4614 Check ANTIC_SAFE_LOADS too.
4615 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4616 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4618 (can_PRE_operation): Add COMPONENT_REF.
4619 (create_component_ref_by_pieces): New function.
4620 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4621 (insert_aux): Move AGGREGATE_TYPE_P check here.
4622 (compute_avail): Set bb local stmt uids.
4623 (pass_pre): Use TODO_update_ssa_only_virtuals.
4625 2006-02-06 Ben Elliston <bje@au.ibm.com>
4627 * configure.ac: Unconditionally disable decimal float by default.
4628 * configure: Regenerate.
4630 2006-02-06 Ben Elliston <bje@au.ibm.com>
4632 * read-rtl.c (read_name): Terminate reading on EOF.
4634 2006-02-06 Ben Elliston <bje@au.ibm.com>
4636 * dfp.c (decimal_real_arithmetic): Change second argument type
4637 from int to enum tree_code. Do not always return true, but now
4638 return result of any call to decimal_do helper functions.
4639 * dfp.h (decimal_real_arithmetic): Update prototype.
4641 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4643 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4645 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4648 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4651 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4653 * tree-vrp.c (cfg_loops): Removed.
4654 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4655 Use current_loops instead of cfg_loops. Pass flags to
4656 loop_optimizer_init.
4657 * cfgloopmanip.c (fix_loop_structure): Update only available
4659 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4660 loop_optimizer_init.
4661 * modulo-sched.c (build_loops_structure): Removed.
4662 (sms_schedule): Use loop_optimizer_init.
4663 * loop-init.c (loop_optimizer_init): Use flags to determine
4664 which properties of loops to prepare.
4665 (rtl_loop_init): Pass flags to loop_optimizer_init.
4666 * tree-ssa-sink.c (execute_sink_code): Ditto.
4667 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4668 * tree-ssa-pre.c (init_pre): Ditto.
4669 * cfgloop.h (LOOPS_NORMAL): New.
4670 (loop_optimizer_init): Declaration changed.
4672 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4674 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4675 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4677 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4679 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4681 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4682 * pa/t-pa64: Delete quadlib.c rule.
4683 * pa/x-ada: Revert last change.
4684 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4686 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4688 PR rtl-optimization/26087
4689 * rtlanal.c (canonicalize_condition): Do not cross basic block
4692 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4695 * config/ia64/ia64.c: Include debug.h.
4696 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4697 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4698 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4699 (process_epilogue, process_set, process_for_unwind_directive):
4700 Output unwind info only if requested. Add CFA info if requested.
4701 Add new arguments as needed. Adjust callers.
4702 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4704 (DWARF2_FRAME_INFO): Define to zero.
4705 * config/ia64/unwind-ia64.c: Remove code that compensated for
4706 the CFA offset error fixed above.
4707 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4708 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4709 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4710 -funwind-tables and -fexceptions to enable frame info.
4711 (dwarf2out_frame_init): Define initial CFA even if
4712 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4713 DWARF2_UNWIND_INFO is nonzero, not just defined.
4714 (dwarf2out_frame_finish): Output non-EH call frame info only
4715 if DWARF2_FRAME_INFO is nonzero.
4716 (convert_cfa_to_loc_list,
4717 compute_frame_pointer_to_cfa_displacement): Define even if
4718 unwind info is not supported.
4719 (gen_subprogram_die): Use the above unconditionally. Remove
4720 legacy alternate code.
4721 * toplev.c (compile_file): Compile in call to
4722 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4723 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4725 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4726 Jakub Jelinek <jakub@redhat.com>
4728 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4729 IBM extended float format long double as "g" on powerpc*-linux.
4731 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4734 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4735 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4737 2006-02-03 Jason Merrill <jason@redhat.com>
4740 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4743 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4744 on the return slot if it's an NRV.
4746 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4748 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4749 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4750 rewrite_use): Do not handle USE_OUTER.
4751 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4752 add_iv_outer_candidates, may_replace_final_value,
4753 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4754 (find_interesting_uses_op): Functionality of
4755 find_interesting_uses_outer_or_nonlin moved here.
4756 (find_interesting_uses_outside): Use find_interesting_uses_op.
4758 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4761 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4763 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4764 Ulrich Weigand <uweigand@de.ibm.com>
4767 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4768 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4769 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4770 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4772 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4773 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4774 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4775 Define secondary reloads for TFmode moves.
4776 (constant_modes): Add TFmode.
4777 (NR_C_MODES): Set to 8.
4778 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4780 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4781 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4782 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4783 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4784 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4785 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4786 (FPR mode macro): Add TFmode.
4787 (DSF mode macro): New.
4788 (<de>, <dee> mode attributes): Removed.
4789 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4790 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4791 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4792 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4793 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4794 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4795 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4796 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4797 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4798 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4799 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4800 "*negabs<mode>2", "sqrt<mode>2"):
4801 Changed <de> to <xde>. R constraint replaced by <Rf>.
4802 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4804 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4805 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4806 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4808 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4809 "extenddftf2", "extendsftf2"): New expanders.
4810 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4811 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4812 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4813 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4815 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4816 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4817 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4818 __floatditf): Add a GCC_4.1.0 symbol version tag.
4819 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4822 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4825 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4826 Use targetm.binds_local_p instead of TREE_PUBLIC.
4828 2006-02-02 Roger Sayle <roger@eyesopen.com>
4830 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4831 on INTEGER_TYPEs to indicate that it denotes a character type.
4832 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4833 signed_char_type_node, unsigned_char_type_node and char_type_node.
4834 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4835 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4836 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4838 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4839 Daniel Berlin <dberlin@dberlin.org>
4841 * tree-tailcall.c (arg_needs_copy_p): New function.
4842 (eliminate_tail_call): Use arg_needs_copy_p.
4843 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4844 (add_virtual_phis): New function.
4846 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4848 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4849 #ignore instead of #scratch for %g7 .register directive.
4851 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4853 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4856 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4858 * flow.c (calculate_global_regs_live): Assert that there aren't any
4861 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4863 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4865 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4866 bsi_after_labels iterator.
4867 * tree-if-conv.c (find_phi_replacement_condition,
4868 replace_phi_with_cond_modify_expr): Likewise.
4869 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4870 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4872 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4874 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4876 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4879 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4880 array after growing it.
4882 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4885 * fold-const.c (fold_checksum_tree): Change type of buf.
4887 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4889 * reload.c (push_secondary_reload): Initialize t_icode.
4891 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4893 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4894 -msoft-float -mlong-double-128 only issue a warning, but don't
4895 swich to DFmode long double.
4897 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4899 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4900 has a constant equivalent, iterate over equivalents for arg0,
4901 calling simplify_relational_operation and if there's a result
4902 cheaper than X, apply fold_rtx and return the result.
4904 2006-02-01 Jan Hubicka <jh@suse.cz>
4906 * opts.c (no_unit_at_a_time_default): New global variable.
4907 (decode_options): Use it.
4908 * opts.h (no_unit_at_a_time_default): Declare.
4910 2006-02-01 Paul Brook <paul@codesourcery.com>
4912 * function.c (assign_parm_setup_reg): Use function argument promotion
4914 * expr.c (expand_expr_real_1): Use function argument promotion rules
4917 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4919 * gcc.c (process_command): Change j to 'unsigned int'.
4921 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4924 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4925 Use the corrected index for the character
4926 out of the string constant.
4928 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4930 * mode-switching.c (optimize_mode_switching): Fix size
4931 allocated for bb_info[n_entities].
4933 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4935 * gcc.c (main): Correct type that is allocated for
4936 explicit_link_files.
4938 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4940 * config/s390/s390.c (init_alignment_context): Set
4941 ALIAS_SET_MEMORY_BARRIER on the MEM.
4942 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4944 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4947 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4949 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4952 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4954 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4955 * regrename.c: Ditto.
4956 * tree-ssa-loop-im.c: Ditto.
4957 * tree-dump.c: Ditto.
4958 * tree-complex.c: Ditto.
4959 * genrecog.c: Ditto.
4960 * tree-ssa-threadupdate.c: Ditto.
4962 * java/class.c: Ditto.
4963 * java/jcf-parse.c: Ditto.
4964 * java/resource.c: Ditto.
4965 * java/except.c: Ditto.
4966 * java/jvspec.c: Ditto.
4967 * java/jcf-write.c: Ditto.
4968 * java/jcf-path.c: Ditto.
4969 * java/gjavah.c: Ditto.
4970 * java/zextract.c: Ditto.
4971 * java/jcf-io.c: Ditto.
4972 * java/jcf.h: Ditto.
4973 * java/buffer.c: Ditto.
4974 * java/lang.c: Ditto.
4975 * java/parse-scan.y: Ditto.
4976 * java/lex.c: Ditto.
4977 * java/lex.h: Ditto.
4978 * cfgloopmanip.c: Ditto.
4979 * postreload-gcse.c: Ditto.
4980 * tree-ssa-loop-manip.c: Ditto.
4981 * postreload.c: Ditto.
4982 * tree-ssa-loop-ch.c: Ditto.
4986 * diagnostic.c: Ditto.
4988 * genoutput.c: Ditto.
4990 * cfghooks.c: Ditto.
4991 * cfgloopanal.c: Ditto.
4992 * objc/objc-act.c: Ditto.
4994 * genextract.c: Ditto.
4995 * genautomata.c: Ditto.
4996 * pretty-print.c: Ditto.
4998 * cgraphunit.c: Ditto.
5001 * haifa-sched.c: Ditto.
5002 * dominance.c: Ditto.
5004 * tree-ssa-loop-ivopts.c: Ditto.
5006 * mode-switching.c: Ditto.
5007 * modulo-sched.c: Ditto.
5009 * ipa-pure-const.c: Ditto.
5011 * fix-header.c: Ditto.
5013 * tree-stdarg.c: Ditto.
5014 * ipa-utils.c: Ditto.
5015 * loop-init.c: Ditto.
5016 * ipa-inline.c: Ditto.
5019 * alloc-pool.c: Ditto.
5020 * dwarf2out.c: Ditto.
5022 * genattrtab.c: Ditto.
5023 * tree-ssa-loop-ivcanon.c: Ditto.
5027 * fortran/gfortranspec.c: Ditto.
5029 * local-alloc.c: Ditto.
5030 * langhooks.c: Ditto.
5031 * function.c: Ditto.
5032 * tree-vectorizer.c: Ditto.
5034 * ipa-type-escape.c: Ditto.
5036 * tree-if-conv.c: Ditto.
5039 * tree-data-ref.c: Ditto.
5040 * loop-unroll.c: Ditto.
5041 * treelang/treetree.c: Ditto.
5044 * ggc-common.c: Ditto.
5046 * coverage.c: Ditto.
5048 * tree-cfgcleanup.c: Ditto.
5049 * tree-ssa-pre.c: Ditto.
5050 * cfgcleanup.c: Ditto.
5051 * loop-invariant.c: Ditto.
5053 * ipa-prop.c: Ditto.
5054 * print-tree.c: Ditto.
5055 * conflict.c: Ditto.
5056 * ggc-page.c: Ditto.
5057 * sched-deps.c: Ditto.
5058 * regclass.c: Ditto.
5059 * tree-object-size.c: Ditto.
5061 * bb-reorder.c: Ditto.
5062 * resource.c: Ditto.
5063 * var-tracking.c: Ditto.
5065 * df-problems.c: Ditto.
5066 * reg-stack.c: Ditto.
5069 * sched-rgn.c: Ditto.
5070 * tree-ssa-structalias.c: Ditto.
5071 * tree-ssa-reassoc.c: Ditto.
5072 * config/darwin-c.c: Ditto.
5073 * config/darwin.c: Ditto.
5074 * config/arm/arm.c: Ditto.
5076 * collect2.c: Ditto.
5079 2006-01-31 Nicolas Pitre <nico@cam.org>
5081 * arm.md (smaxsi3): Make aware of smax_m1.
5084 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5086 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5088 2006-01-31 Richard Guenther <rguenther@suse.de>
5090 * doc/invoke.texi (-msselibm): Document.
5091 * target.h (expand_library_builtin): New target hook.
5092 * builtins.c (expand_builtin): Use expand_library_builtin.
5093 (default_expand_library_builtin): New function.
5094 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5095 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5096 (link_gcc_math_spec): Declare.
5097 (static_specs): Add link_gcc_math_spec.
5098 * expr.h (default_expand_library_builtin): Declare.
5099 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5100 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5101 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5102 * config/i386/i386.opt (msselibm): New target option.
5103 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5104 (ix86_init_sse_abi_builtins): New function.
5105 (ix86_expand_library_builtin): Likewise.
5106 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5107 (override_options): Handle error conditions wrt -msselibm.
5108 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5109 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5110 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5113 2006-01-31 Richard Guenther <rguenther@suse.de>
5114 Paolo Bonzini <bonzini@gnu.org>
5116 * doc/install.texi (--disable-libgcc-math): Document.
5118 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5120 * expr.h (expand_normal): new inline function.
5121 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5123 * dwarf2out.c: use it.
5128 * config/sparc/sparc.c: use it.
5129 * config/i386/i386.c: use it.
5130 * config/rs6000/rs6000.c: use it.
5131 * config/arm/arm.c: use it.
5132 * config/mips/mips.c: use it.
5133 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5135 2006-01-30 Roger Sayle <roger@eyesopen.com>
5137 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5138 argv to the appropriate type.
5140 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5142 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5145 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5148 * config/s390/s390.c (struct machine_function): New flag
5149 decomposed_literal_pool_addresses_ok_p.
5150 (s390_reorg): Set it before final stage of literal pool transforms.
5151 (s390_decompose_address): Only accept displacements of the form
5152 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5154 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5156 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5157 the comparison routine return.
5159 2006-01-30 Michael Matz <matz@suse.de>
5161 * global.c (find_reg): Only evict for global regs.
5162 Take n_refs into account and dump more info.
5164 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5167 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5168 (pragma_trap, pragma_nosave_low_regs): Likewise.
5169 (current_function_anonymous_args): Likewise.
5170 (sh_deferred_function_attributes): New variable.
5171 (sh_deferred_function_attributes_tail): Likewise.
5172 (print_operand): For '@', look up trap_exit attribute.
5173 (calc_live_regs): Look up trapa_handler attribute. For trapa
5174 handlers, save/restore fpscr, but don't do any other
5175 interrupt-specific saves.
5176 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5177 Fix check for partially saved registers to check for SHmedia.
5178 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5179 (sh_output_function_epilogue): Don't clear any of the removed
5181 (sh_insert_attributes): Don't check pragma_interrupt.
5182 Insert deferred attributes. Check that interrupt attribute is
5183 present for other attributes that require its presence.
5184 (sh_attribute_table): Add new attributes trapa_handler and
5186 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5187 Don't check for pragma_interrupt. Don't store argument.
5188 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5189 (sh_deferred_function_attributes): Declare.
5190 (sh_deferred_function_attributes_tail): Likewise.
5191 * sh.md (sp_switch_1): Add operand. Change generator caller.
5192 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5193 (*return_i): Don't use when trap_exit attribute is in effect.
5194 (*return_trapa): New insn pattern.
5196 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5197 setting c_target_objs and cxx_target_objs.
5198 * t-sh: Add rule for sh-c.o.
5200 2006-01-30 Richard Guenther <rguenther@suse.de>
5203 * gimplify.c (gimplify_target_expr): Handle easy cases
5204 without creating a temporary.
5206 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5208 * vec.h (safe_grow): Remove duplicated line.
5210 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5213 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5214 (expand_omp): ... here.
5215 (expand_omp_parallel): Only remove barriers for combined
5216 parallel+workshare constructs.
5218 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5222 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5223 * tree.c (build_qualified_type): Chain the new type to the original
5224 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5225 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5226 (build_pointer_type_for_mode): Only return unqualified types.
5227 (build_reference_type_for_mode): Likewise.
5229 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5231 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5232 * Makefile.in (CXX_COMPAT_WARN): Define.
5233 * configure: Regenerate.
5235 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5238 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5241 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5243 * toplev.c: Fix thinko.
5245 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5246 Marcin Dalecki <martin@dalecki.de>
5248 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5249 (push_srcloc): Use XNEW.
5250 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5252 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5254 * df-core.c (df_set_blocks): Deleted all variable.
5256 2006-01-28 Ian Lance Taylor <ian@airs.com>
5258 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5259 cgraph_output_pending_asms.
5261 2006-01-28 Zack Weinberg <zackw@panix.com>
5263 * c.opt: Add -W(no-)overlength-strings.
5264 * doc/invoke.texi: Document it.
5265 * c-opts.c (c_common_handle_option): -pedantic implies
5266 -Woverlength-strings, if not explicitly disabled already.
5267 (c_common_post_options): -Woverlength-strings defaults to off, and
5268 is always off for C++.
5269 * c-common.c (fix_string_type): Issue warning about strings longer
5270 than is portable only if warn_overlength_strings. Rearrange code
5271 a little for clarity.
5272 * configure.in: Check for -Wno-overlength-strings as well before
5273 enabling -pedantic in stage 1.
5274 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5275 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5277 * genconditions.c (write_header, write_one_condition)
5278 (write_conditions, write_writer): Consolidate very long strings
5279 that were broken up to fit in C89 portable limit. Don't use
5280 printf when fputs will do.
5282 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5284 * combine.c (simplify_comparison <AND>): Check
5285 TRULY_NOOP_TRUNCATION before start using a subreg.
5287 * config/mips/mips.md (*branch_zero<mode>,
5288 *branch_zero<mode>_inverted, *branch_equality<mode>,
5289 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5290 Remove mode check from comparisons.
5292 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5294 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5296 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5298 * expmed.c (const_mult_add_overflow_p): Remove.
5299 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5301 * recog.c (validate_replace_rtx_subexp): Remove.
5302 * recog.h: Remove the prototype for
5303 validate_replace_rtx_subexp.
5305 * integrate.h: Remove the prototype for
5306 copy_decl_for_inlining.
5307 * rtl.h: Remove the prototype for mark_constant_function.
5308 * tree-vectorizer.h: Remove the prototype for
5309 vect_strip_conversion.
5311 * modulo-sched.c (create_partial_schedule,
5312 free_partial_schedule, reset_partial_schedule): Make them
5315 * hooks.c (hook_bool_rtx_int_false): Remove.
5316 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5318 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5320 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5321 and -mlong-double-128 are incompatible.
5322 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5323 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5324 (TARGET_LIBGCC2_CFLAGS): Define.
5325 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5326 (TARGET_LIBGCC2_CFLAGS): Same.
5327 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5329 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5332 * c-typeck.c (build_binary_op): Perform implicit casts of
5333 operands before shortening them.
5335 * cfgloopmanip.c (split_loop_bb): Remove.
5336 * cfgloop.h: Remove the prototype for split_loop_bb.
5338 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5339 * cfgloop.h: Remove the prototype for
5340 flow_loop_outside_edge_p.
5342 * emit-rtl.c (init_virtual_regs): Make it static.
5343 * function.h: Remove the prototype for init_virtual_regs.
5345 * recog.c (peephole2_optimize): Make it static.
5346 * recog.h: Remove the prototype for peephole2_optimize.
5348 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5350 * df-scan.c (df_record_entry_block_defs): Check if
5351 INCOMING_RETURN_ADDR_RTX is defined.
5353 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5354 Kenneth Zadeck <zadeck@naturalbridge.com>
5356 PR rtl-optimization/24762
5357 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5358 * targhooks.c (hook_void_bitmap): New hook prototype.
5359 * targhoohs.h (hook_void_bitmap): Ditto.
5360 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5361 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5362 * target.h (live_on_entry): New function pointer.
5363 * df-scan.c (df_all_hard_regs): Removed.
5364 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5365 (df_scan_free_internal): Added df->entry_block_defs.
5366 (df_scan_alloc): Ditto.
5367 (df_scan_dump): Ditto.
5368 (df_uses_record): Plumbed flag field properly thru calls.
5369 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5370 This part fixes PR24762.
5371 (df_bb_refs_record): Added code to make the frame and arg
5372 pointers live in EH blocks.
5373 (df_refs_record): Added call to df_record_entry_block_defs.
5374 (df_record_entry_block_defs): New function.
5375 * df-core.c: Added comments to describe new artifical defs.
5376 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5377 (entry_block_defs): New field in struct df.
5378 (df_all_hard_regs): Deleted.
5379 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5380 * df-problems.c (df_ru_bb_local_compute_process_def):
5381 Added code to handle artifical defs in the entry to a function.
5382 (df_ru_bb_local_compute): Ditto.
5383 (df_rd_bb_local_compute_process_def): Ditto.
5384 (df_rd_bb_local_compute): Ditto.
5385 (df_lr_bb_local_compute): Ditto.
5386 (df_ur_bb_local_compute): Ditto.
5387 (df_urec_bb_local_compute): Ditto.
5388 (df_chain_create_bb): Ditto.
5389 (df_ur_local_finalize): Removed entry.
5390 (df_urec_init): Ditto.
5391 (df_urec_local_finalize): Ditto.
5392 (df_ri_bb_compute): Added detection of last use of pseudos.
5393 * Makefile.in (df-scan.o): Updated dependencies.
5394 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5395 * config/mips/mips.c (mips_set_live_on_entry): Added.
5396 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5398 * dce.c (marked_insn_p): Added code to handle artifical defs.
5400 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5402 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5404 (_mm_cvtsi128_si64): Likewise.
5405 (_mm_cvtsd_si64): Likewise.
5406 (_mm_cvttsd_si64): Likewise.
5407 (_mm_cvtsi64_sd): Likewise.
5408 (_mm_cvtsi64_si128): Likewise.
5409 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5410 (_mm_cvtsi64_m64): Likewise.
5411 (_m_to_int64): Likewise.
5412 (_mm_cvtm64_si64): Likewise.
5413 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5414 (_mm_cvttss_si64): Likewise.
5415 (_mm_cvtsi64_ss): Likewise.
5416 (_mm_cvtss_f32): Likewise.
5418 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5420 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5421 for pragma redefine_extname.
5423 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5426 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5427 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5428 -mno-minimal-toc to previous content.
5429 (bispecs): Remove goal.
5430 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5431 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5432 compatibility aliases on powerpc-*-*gnu*.
5433 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5434 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5435 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5436 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5437 (ldblspecs): New goal.
5438 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5439 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5441 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5442 L_sf_to_tf or L_df_to_tf is defined.
5444 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5445 Alan Modra <amodra@bigpond.net.au>
5448 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5449 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5450 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5451 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5452 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5453 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5454 (rs6000_override_options): Initialize rs6000_ieeequad.
5455 Initialize TFmode format to ibm_extended_format if not
5457 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5459 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5460 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5461 (function_arg_advance): IBM long double passed in two FPRs, not
5463 (function_arg): IBM long double passed in FPRs.
5464 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5465 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5466 Only multireg GPR aligned.
5467 (rs6000_init_libfuncs): Enable IBM long double functions if not
5469 (rs6000_generate_compare): Use IBM long double compare if not
5471 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5472 (TARGET_IEEEQUAD): Define.
5473 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5474 not TARGET_IEEEQUAD.
5475 * config/rs6000/rs6000.md: Enable TFmode patterns if
5477 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5478 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5479 and -mlong-double-128 are incompatible.
5480 * doc/invoke.texi (-mabi): Collect options together. Add
5481 ibmlongdouble and ieeelongdouble.
5483 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5485 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5487 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5488 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5489 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5490 * rtl.h (rtunion_def): Remove rt_ptr.
5492 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5493 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5494 * config/i386/winnt.c (i386_pe_mark_dllexport)
5495 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5497 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5499 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5501 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5505 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5506 pthread_key_delete. From John David Anglin. gthrw-ify
5507 pthread_getunique_np only if it it's not a macro. Delete
5509 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5510 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5511 __gthread_objc_condition_signal, __gthread_key_delete): Add
5512 "__attribute__ ((__unused__))" to unused arguments.
5513 (__gthread_recursive_mutex_init_function): Add missing return.
5514 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5515 gthr-posix95.h: Use macro-based approach for name redirection
5516 on targets missing weakref.
5518 2006-01-26 Zack Weinberg <zackw@panix.com>
5520 * genconditions.c (write_header): In generated code, #ifdef out
5521 all includes and fake declarations, except includes of bconfig.h
5522 and system.h, unless GCC_VERSION >= 3001. Do not include
5523 gensupport.h in any case.
5524 (write_conditions): Generate a definition of struct c_test. Add
5525 a comment to the generated #endif.
5526 (write_one_condition): Escape backslashes in string too.
5527 (write_writer): Generated code must escape backslashes and quote
5528 marks (but not newlines) in the strings it writes.
5529 * Makefile.in (build/gencondmd.o): Update dependencies.
5531 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5534 * Makefile.in (insn-automata.o): Add header file dependencies.
5535 * genautomata.c: Add includes.
5537 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5540 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5542 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5544 * configure.ac: Expect target tools paths to be passed from the toplevel
5545 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5547 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5549 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5552 * c.opt (Wpointer-sign): Init to -1.
5553 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5554 OPT_pedantic, to 0 otherwise.
5555 * doc/invoke.texi: Update.
5557 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5559 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5560 constants provided by 80387 instructions in the destination mode.
5562 2006-01-26 Richard Guenther <rguenther@suse.de>
5563 Andrew Pinski <pinskia@physics.uc.edu>
5566 partial PR tree-opt/17064
5567 * tree-ssa-structalias.c (intra_create_variable_infos):
5568 Create heap variables for incoming parameters if
5569 flag_argument_noalias > 1.
5570 (find_what_p_points_to): Look through default defs of
5573 2006-01-26 Jeff Law <law@redhat.com>
5576 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5577 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5578 within the VR_RANGE, use the VR_RANGE as the result, not the
5580 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5581 bounds for the type.
5583 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5585 * tree-ssa-alias.c (maybe_create_global_var): Change
5586 subvar walking to an assertion that we don't have subvar'd variables.
5588 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5591 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5592 Use a new variable, inner. PARM_DECLs are always non-weak.
5594 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5596 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5599 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5601 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5603 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5605 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5606 (smax_insn, smin_insn, smax_0, smin_0): New.
5608 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5611 * config/cris/cris.c (cris_order_for_addsi3): New function.
5612 * config/cris/cris-protos.h: Prototype it.
5613 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5614 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5615 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5616 (split for "op.S1 [rx=rx+i],ry (swapped)")
5617 (split for "op(s|u).S1 [rx=rx+i],ry")
5618 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5619 Apply cris_order_for_addsi3 when generating addsi3 insns.
5621 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5623 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5624 (TREE_BLOCK): Add call to EXPR_CHECK.
5626 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5629 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5630 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5631 (dump_omp_clauses): ... here.
5632 (dump_generic_node): Handle OMP_CLAUSE.
5633 * tree.c (omp_clause_num_ops): New.
5634 (omp_clause_code_name): New.
5635 (tree_code_size): Handle OMP_CLAUSE.
5636 (tree_size): Likewise.
5637 (make_node): Document handling of OMP_CLAUSE.
5638 (tree_node_structure): Handle OMP_CLAUSE.
5639 (omp_clause_check_failed): New.
5640 (omp_clause_range_check_failed): New.
5641 (omp_clause_operand_check_failed): New.
5642 (build_omp_clause): New.
5643 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5644 * tree.h (enum omp_clause_code): Declare.
5645 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5646 (OMP_CLAUSE_RANGE_CHECK): Define.
5647 (OMP_CLAUSE_ELT_CHECK): Define.
5648 (omp_clause_check_failed): Declare.
5649 (omp_clause_operand_check_failed): Declare.
5650 (omp_clause_range_check_failed): Declare.
5651 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5652 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5653 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5654 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5655 (OMP_CLAUSE_IF_EXPR): Likewise.
5656 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5657 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5658 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5659 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5660 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5661 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5662 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5663 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5664 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5665 (OMP_CLAUSE_CODE): Define.
5666 (OMP_CLAUSE_SET_CODE): Define.
5667 (OMP_CLAUSE_CODE): Define.
5668 (OMP_CLAUSE_OPERAND): Define.
5669 (struct tree_omp_clause): Declare.
5670 (union tree_node): Add field 'omp_clause'.
5671 * treestruct.def (TS_OMP_CLAUSE): Define.
5672 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5673 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5674 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5675 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5676 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5677 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5678 (OMP_CLAUSE): Define.
5679 * print-tree.c (print_node): Handle OMP_CLAUSE.
5680 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5681 * c-typeck.c: Likewise.
5682 * gimplify.c: Likewise.
5683 * c-omp.c: Likewise.
5684 * tree-nested.c: Likewise.
5685 * tree-inline.c: Likewise.
5686 * c-parser.c: Likewise.
5687 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5690 2006-01-25 Roger Sayle <roger@eyesopen.com>
5692 PR rtl-optimization/25703
5693 * combine.c (try_combine): Handle zero_extract and strict_low_part
5694 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5696 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5698 * global.c: Fix comment typos.
5700 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5703 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5704 Use output_addr_const instead of assemble_name.
5706 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5708 * Makefile.in (sched-vis.o): Update dependencies.
5709 * haifa-sched.c (sched_finish): Clear current_sched_info.
5710 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5711 (dump_flow_info): Call it.
5712 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5714 * basic-block.h (dump_bb_info): Declare.
5715 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5716 option, and apply options only for dump files whose TDF_RTL,
5717 TDF_TREE, or TDF_IPA bits match.
5718 * rtl.h: Declare new functions exported from sched-vis.c.
5719 * sched-vis.c: Enable also if scheduling is not used.
5720 (print_value): Print the mode of registers if not inside scheduling.
5721 (print_insn): Make it work outside the scheduler. Beautify the output
5723 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5725 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5727 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5728 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5729 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5730 depending on the value of CONSTANT_POOL_ADDRESS_P.
5731 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5733 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5734 rather than SYMBOL_REF_DECL.
5735 (rtx_constant_pool): Remove const_rtx_sym_htab.
5736 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5737 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5738 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5739 Remove handling of const_rtx_sym_htab.
5740 (find_pool_constant): Delete.
5741 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5742 rather than find_pool_constant.
5743 (get_pool_constant_for_function): Delete.
5744 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5746 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5747 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5748 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5749 (SYMBOL_REF_CONSTANT): New macro.
5750 (get_pool_constant_for_function): Delete.
5751 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5752 rather than SYMBOL_REF_DECL.
5753 (i386_pe_mark_dllimport): Likewise.
5754 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5755 rather than SYMBOL_REF_DECL.
5756 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5757 (machopic_indirect_call_target): Likewise.
5759 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5761 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5763 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5765 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5767 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5769 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5771 2006-01-24 David Daney <ddaney@avtrex.com>
5774 * configure.ac (enable_tls): New enable option.
5775 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5776 * configure: Regenerate.
5777 * doc/install.texi (--enable-tls): Document new option.
5778 (--disable-tls): Ditto.
5780 2006-01-24 Richard Henderson <rth@redehat.com>
5782 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5783 * alias.c (true_dependence): Respect it.
5784 (canon_true_dependence, write_dependence_p): Likewise.
5785 * builtins.c (get_builtin_sync_mem): Set it.
5787 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5789 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5792 2006-01-24 DJ Delorie <dj@redhat.com>
5794 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5795 for storing constants in single-bit bitfields.
5797 2006-01-25 Ben Elliston <bje@au.ibm.com>
5799 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5801 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5804 * tree-ssa-pre.c (phi_translate): Return NULL
5805 for AGGREGATE_TYPE's.
5807 2006-01-24 Zack Weinberg <zackw@panix.com>
5809 * genautomata.c (process_state_for_insn_equiv_partition):
5810 Use xcalloc for insn_arcs_array.
5811 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5812 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5814 2006-01-24 Richard Henderson <rth@redhat.com>
5816 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5819 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5821 PR rtl-optimization/25890
5822 PR rtl-optimization/25905
5823 * combine.c (expand_compound_operation, expand_field_assignment):
5824 Fail if the bitfield's final position is out of bounds.
5826 2006-01-24 Ian Lance Taylor <ian@airs.com>
5829 * cgraphunit.c (cgraph_output_in_order): Don't clear
5830 cgraph_asm_nodes until after asm strings have been output.
5832 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5834 * fix-header.c (read_scan_file): Add new parameter imultilib when
5835 calling register_include_chains.
5837 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5839 * omp-low.c: Update documentation.
5841 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5842 Daniel Berlin <dberlin@dberlin.org>
5846 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5847 return from the function.
5849 2006-01-22 Zack Weinberg <zackw@panix.com>
5851 * rtl.def (match_code): Add second argument.
5852 * genpreds.c (write_extract_subexp): New function.
5853 (write_match_code): Add path argument. Use write_extract_subexp.
5854 (write_predicate_expr): Pass path to write_match_code.
5855 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5856 not perform a mode test.
5857 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5858 a subexpression does not constrain the top-level code set.
5859 * read-rtl.c (read_rtx_variadic): New function.
5860 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5861 * doc/md.texi: Document new notation.
5862 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5863 (cmpsi_operand): ... here, using new notation.
5865 2006-01-22 Zack Weinberg <zackw@panix.com>
5867 * varray.c: Remove GENERATOR_FILE #ifdefs.
5869 2006-01-22 Zack Weinberg <zackw@panix.com>
5871 * genautomata.c (output_reserved_units_table): Emit nothing if
5872 description->query_units_num is zero. Remove extra blank line.
5873 (output_cpu_unit_reservation_p): Short circuit
5874 if description->query_units_num is zero.
5876 2006-01-22 Zack Weinberg <zackw@panix.com>
5878 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5879 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5880 nor any of the random handful of variables that used to be necessary
5881 when this program was linked with rtlanal.o. Prune set of forward
5882 function declarations.
5883 (struct attr_desc): Remove static_p field.
5884 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5885 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5886 (attr_string): Do not read the character one past the length of
5888 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5889 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5890 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5891 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5892 (make_automaton_attrs): New.
5893 (main): Do not call into genautomata. Call local gen_bypass
5894 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5895 Remove special case for insn_alts.
5896 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5897 varray.h (leftover from previous change). Prune set of forward
5898 function declarations. Remove state_alts fields from all
5899 structures. Remove state_alts_table from struct automaton.
5900 Make everything except main static. Do not maintain num_dfa_decls.
5901 Do not maintain state_alts fields of various structures.
5902 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5903 (add_arc): Remove state_alts argument. All callers updated.
5904 (output_reserved_units_table): Emit #ifdef here...
5905 (output_tables): ...not here. Don't generate state_alts tables.
5906 (expand_automata): Don't generate attributes.
5907 (write_automata): Don't generate state_alts functions.
5908 (main): New function.
5909 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5910 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5911 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5912 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5913 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5914 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5915 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5916 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5918 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5919 * genattrtab.h: Delete file.
5920 * Makefile.in (OBJS-common): Add insn-automata.o.
5921 (insn-automata.o): New rule.
5922 (simple_generated_c): Add insn-automata.c.
5923 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5924 (genprogmd): Add automata.
5925 (build/genattrtab): Needs no extra objects nor libraries.
5926 (build/genautomata): Needs build/vec.o and -lm.
5928 2006-01-22 Zack Weinberg <zackw@panix.com>
5930 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5931 (output_dfa_max_issue_rate, locked_states_num): Delete.
5932 (struct automaton): Add locked_states field.
5933 (output_dead_lock_vect): Save number of locked states in
5934 automaton->locked_states. If it is zero, don't print anything.
5935 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5936 (output_internal_dead_lock_func): Only test the dead_lock_vect
5937 for automata that have locked states.
5938 (output_statistics): Always print the number of locked states for
5939 each automaton. Calculate total number of locked states here.
5940 (write_automata): Don't call output_dfa_max_issue_rate.
5941 * genattrtab.c: Define length_unit_log as a const variable.
5942 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5943 max_insn_queue_index const.
5944 * final.c (length_unit_log): Declare const.
5945 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5947 2006-01-22 Zack Weinberg <zackw@panix.com>
5949 * genautomata.c: Include vec.h, not varray.h.
5950 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5951 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5952 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5953 VEC_* macros operating on appropriately typed vectors, or to
5954 malloced arrays when the size is known in advance. Const-ify
5955 many char* variables and function arguments. No functional changes.
5956 * Makefile.in (build/varray.o): Delete rule.
5957 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5958 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5960 2006-01-22 Zack Weinberg <zackw@panix.com>
5962 * gensupport.c: Define get_insn_name and record_insn_name here.
5963 (read_md_rtx): Call record_insn_name as appropriate.
5964 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5965 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5966 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5968 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5969 (BUILD_VARRAY): Delete.
5970 (genprognormal): Rename genprogmd. Fold in all programs from
5971 genprognoprint; also attrtab.
5972 (build/genattrtab): Just mention genautomata.o and varray.o.
5973 Reorganize a bit, add comments to make the categories clearer.
5975 2006-01-22 Zack Weinberg <zackw@panix.com>
5977 * genconditions.c (condition_table, add_condition): Delete.
5978 (write_conditions): Don't emit n_insn_conditions nor
5979 insn_elision_unavailable. Issue the gcc version #ifdef here,
5980 inside the table, with no #else clause ...
5981 (write_header): ...not here.
5982 (write_writer): New function.
5983 (main): Don't initialize condition_table. Use add_c_test.
5985 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5986 files on the command line.
5987 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5988 Return -1 if there is no entry in the table, don't abort.
5989 (add_c_test, traverse_c_tests): New functions.
5990 * gensupport.h (insn_elision_unavailable, insn_conditions)
5991 (n_insn_conditions): Delete declarations.
5992 (add_c_test, traverse_c_tests): Declare.
5993 * read-rtl.c: Include gensupport.h.
5994 (read_conditions): New function.
5995 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5996 (read_rtx_1): If we get EOF when we were looking for an initial
5997 open paren, return 0. Call read_conditions when appropriate.
5998 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5999 dummy-conditions.o. Eliminate references to insn-conditions.o,
6000 or change them to build/gencondmd.o, as appropriate. Remove
6001 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6002 from $(simple_generated_c). For all files remaining in those
6003 two lists, add insn-conditions.md to the generator command line.
6004 Give insn-constants.h/s-constants their own rules. Add rules
6005 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6006 (build/read-rtl.o): Depend on gensupport.h.
6007 (genprognormal): Include preds.
6008 (genprogearly): Rename genprognoprint; only difference is now that
6009 they don't link with $(BUILD_PRINT).
6010 * dummy-conditions.c: Delete.
6012 2006-01-22 Zack Weinberg <zackw@panix.com>
6014 * genextract.c: Don't include insn-config.h. Do include vec.h.
6015 Declare vectors of int, char, and locstr.
6016 (locstr): New typedef.
6017 (struct extraction): Make all array fields into bare pointers.
6018 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6019 (insn_code_number): Delete.
6020 (accum_extract): New struct.
6021 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6022 (gen_insn): Take insn_code_number as an argument. Use an
6023 accum_extract structure instead of loading data directly into
6024 a struct extraction, and having to know how big it might get.
6025 (walk_rtx): Operate entirely on an accum_extract structure.
6026 (print_path): Avoid unnecessary use of printf.
6027 (print_header): New function, split out of main. Distinguish
6028 more carefully between an unrecognizable insn and an insn that
6029 has the code number of a define_expand.
6030 (main): Pass insn_code_number to gen_insn. Call print_header
6031 only after parsing. Avoid unnecessary use of printf.
6032 * Makefile.in (build/vec.o): New rule.
6033 (build/genextract): Depend on build/vec.o.
6034 (build/genextract.o): Don't depend on insn-config.h.
6036 2006-01-22 Zack Weinberg <zackw@panix.com>
6038 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6039 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6040 practical. Eliminate per-generator-program link rules.
6042 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6045 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6046 with a call expr to ...
6047 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6049 2006-01-23 Richard Guenther <rguenther@suse.de>
6051 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6052 before make_edge with conditional EDGE_TRUE_VALUE.
6054 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6055 Jan Hubicka <jh@suse.cz>
6056 Richard Guenther <rguenther@suse.de>
6058 PR rtl-optimization/25654
6059 * cfgexpand.c (aggregate_contains_union_type): New function.
6060 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6061 for structure variables that contain a union type.
6063 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6065 * gengtype.c (new_structure): Return the structure.
6066 (create_option): Add an extra "next" argument.
6067 (create_field): New function.
6068 (adjust_field_rtx_def): Use create_option and create_field.
6069 Remove a now-unnecessary call to find_structure.
6070 (adjust_field_tree_def): Likewise.
6071 (note_yacc_type): Remove an unnecessary call to find_structure.
6072 * gengtype.h (new_structure): Return the structure.
6073 (create_option): Add an extra argument.
6074 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6075 (option): Adjust calls to create_option.
6077 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6079 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6081 2006-01-22 Paul Brook <paul@codesourcery.com>
6082 Peter Barada <peter@the-baradas.com>
6084 * config/m68k/m68k.md: Add Coldfire FPU support.
6085 Define FP mode macro and associated attributes.
6086 Use it for float mode patterns.
6087 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6088 (LIBCALL_VALUE): Use m68k_libcall_value.
6089 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6090 (m68k_function_value): Ditto.
6091 (emit_move_sequence): Ditto.
6092 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6093 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6094 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6095 (MULTILIB_EXCEPTIONS): Ditto.
6096 * config/m68k/m68k.opt: Add mcfv4e.
6097 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6098 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6099 (m68k_output_function_prologue): Save ColdFire FPU registers.
6100 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6101 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6102 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6103 ColdFire FPU registers.
6104 (m68k_libcall_value, m68k_function_value): New functions.
6105 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6106 (LIBCALL_VALUE): Use m68k_libcall_value.
6107 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6108 (MASK_COLDFIRE): Add MASK_CFV4E.
6109 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6110 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6111 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6112 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6113 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6114 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6115 * doc/invoke.tex: Document -mcfv4e on m68k.
6117 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6119 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6122 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6125 * c-opts.c (c_common_handle_option): Don't include
6126 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6127 * doc/invoke.texi (C++ Dialect Options): Document that
6128 -Wnon-virtual-dtor is no longer included in -Wall.
6130 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6132 * gcov.c (print_version), gcov-dump.c (print_version),
6133 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6136 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6138 * df-scan.c (problem_SCAN): Added NULL reset function.
6139 (df_scan_reset_blocks): Added code to call reset block function
6140 (df_bb_refs_delete) Fixed comment.
6141 (df_insn_refs_delete): Made tolerant of deleting non existent info
6142 for dataflow problems that need to be reset.
6143 * df-core.c (df_set_blocks): Ditto.
6144 * df.h (struct df_problem): Added reset_fun.
6145 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6146 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6147 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6148 functions to clear out all references to def-use or use-def chains.
6150 2006-01-21 Ben Elliston <bje@au.ibm.com>
6152 * varasm.c (assemble_real): Initialise data array.
6154 2006-01-20 Paul Brook <paul@codesourcery.com>
6156 Merge from csl-arm-branch.
6157 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6158 * config/arm/arm.md (movdi): Force operands[1] to a register
6159 if we have a non-register source.
6160 (*arm_movdi, *movdf_soft_insn): Require that one of the
6161 operands be a register.
6162 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6163 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6165 2006-01-20 DJ Delorie <dj@redhat.com>
6167 * varasm.c (initialize_constant_valid_p): Allow pointers
6168 initialized from integer constants of lesser precision.
6169 (output_constant): Allow non-int-sized pointer modes to be
6170 initialized from integer constants.
6172 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6175 * cppdefault.h (struct default_include): Add multilib flag.
6176 * cppdefault.c (cpp_include_defaults): Set it.
6177 * c.opt (-imultilib): New option.
6178 * c-opts.c (imultilib): New.
6179 (c_common_handle_option): Handle -imultilib.
6180 (c_common_post_options): Likewise.
6181 * c-incpath.c (add_standard_paths, register_include_chains):
6183 * c-incpath.h (register_include_chains): Add extra parameter.
6184 * gcc.c (do_spec_1): Generate -imultilib option.
6185 (The Specs Language): Update %I description.
6186 (process_command): Update copyright notice.
6187 * doc/cppopts.texi (-imultilib): Document.
6188 * doc/invoke.texi (-imultilib): Include in option summary.
6189 (%I): Update specs documentation.
6191 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6193 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6195 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6197 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6200 2006-01-20 Richard Guenther <rguenther@suse.de>
6201 Steven Bosscher <stevenb.gcc@gmail.com>
6203 PR rtl-optimization/24626
6204 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6205 EDGE_TRUE_VALUE if in RTL mode.
6208 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6209 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6211 2006-01-20 Dirk Mueller <dmueller@suse.com>
6214 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6215 instead of a special NOP marker.
6216 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6217 NOP marker handling.
6218 * c-common.h (empty_body_warning): Add forward declaration.
6219 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6220 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6222 2006-01-20 Paul Brook <paul@codesourcery.com>
6224 * Makefile.in (lang_checks): Keep going if mkdir fails.
6226 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6228 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6229 be able to clean out basic block when not necessary.
6230 (df_scan_free): Fixed to properly delete information if df is
6231 unused before calling df_finish.
6232 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6233 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6235 (df_bb_refs_delete): New function.
6236 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6237 * df-core.c (df_set_blocks): Added code to properly clean out
6238 unused blocks if they are not part of the blocks to consider.
6239 Added additional null check.
6240 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6241 be able to clean out basic block when not necessary
6242 * df.h (df_free_bb_function): Ditto.
6243 (df_bb_refs_delete): New function.
6244 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6245 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6246 basic block parameter to be able to clean out basic block when not
6248 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6249 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6250 Fixed to properly delete information if df is unused before
6253 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6255 PR rtl-optimization/25799
6256 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6257 Corrected confluence operator to remove bits from op2 before oring
6258 with op1 rather than removing bits from op1.
6259 (df_ru_transfer_function): Corrected test on wrong bitmap which
6260 caused infinite loop. Both of these problems were introduced in
6261 the dataflow rewrite.
6263 2006-01-19 DJ Delorie <dj@redhat.com>
6265 * reload1.c (find_reload_regs): Note the details of reload
6266 failures in the dump file.
6267 (spill_failure): Likewise.
6269 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6271 * loop-iv.c: Include df.h and hashtab.h.
6272 (enum iv_grd_result): New enum.
6273 (DF_REF_IV, DF_REF_IV_SET): New macros.
6274 (struct biv_entry): New.
6275 (df, bivs): New global variables.
6276 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6277 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6279 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6280 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6281 analyzed_for_bivness_p, record_biv): New functions.
6282 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6283 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6284 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6286 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6288 (iv_number_of_iterations): Use new interface to iv analysis.
6289 * loop-unroll.c: Do not include varray.h.
6290 (analyze_iv_to_split_insn): Use new interface to iv
6292 * loop-unswitch.c (may_unswitch_on): Ditto.
6293 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6295 (df_bb_modify): Realloc tables to the new index.
6296 (df_find_use): New function.
6297 * df.h (df_find_use): Declare.
6298 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6300 * cfgloop.h (struct rtx_iv): Remove analysed field.
6301 (iv_get_reaching_def): Removed.
6302 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6303 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6304 (loop-iv.o): Add df.h and hashtab.h dependency.
6305 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6307 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6310 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6312 (__floatundisf, __floatundidf): Likewise.
6313 * libgcc2.h (IS_IBM_EXTENDED): Define.
6315 2006-01-19 DJ Delorie <dj@redhat.com>
6317 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6319 2006-01-19 Paul Brook <paul@codesourcery.com>
6321 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6322 as nothrow when unwinding tables are disabled.
6324 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6327 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6328 of bit-field" when in system header.
6330 2006-01-19 DJ Delorie <dj@redhat.com>
6332 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6333 the 16 bit shift limit of the m16c.
6335 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6338 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6339 * config/i386/i386.c (output_set_got): Output the label if we have one
6340 for the TARGET_DEEP_BRANCH_PREDICTION case.
6342 2006-01-19 Jan Hubicka <jh@suse.cz>
6343 H.J. Lu <hongjiu.lu@intel.com>
6344 Evandro Menezes <evandro.menezes@amd.com>
6346 * invoke.texi (generic): Document
6348 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6349 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6350 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6351 (x86_use_incdec, x86_pad_returns): New variables
6352 (TARGET_CPU_DEFAULT_generic): New constant
6353 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6354 (enum processor_type): Add generic32 and generic64.
6355 * i386.md (cpu attribute): Add generic32/generic64
6356 (movhi splitter): Behave sanely when both partial_reg_dependency and
6357 partial_reg_stall are set.
6358 (K8 splitters): Enable for generic as well.
6359 * predicates.md (incdec_operand): Use TARGET_INCDEC
6360 (aligned_operand): Avoid memory mismatch stalls.
6361 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6362 * ppro.md: Enable for generic32
6363 * i386.c (generic64_cost, generic32_cost): New.
6364 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6365 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6366 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6367 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6368 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6369 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6370 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6371 x86_accumulate_outgoing_args, x86_prologue_using_move,
6372 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6373 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6375 (x86_use_incdec, x86_pad_returns): New.
6376 (override_options): Add generic32 and generic64, translate "generic"
6377 to generic32/generic64 and "i686" to "generic32", refuse
6378 "generic32"/"generic64" as arch target.
6379 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6380 (ix86_reorg): Honor PAD_RETURNS.
6382 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6384 * tree-pretty-print.c (dump_generic_node): Handle
6385 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6386 * cgraph.c (cgraph_expand_queue): Rename from
6387 cgraph_analyze_queue. Update all users.
6388 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6389 cgraph_expand_queue.
6390 (cgraph_expand_all_functions): Likewise.
6391 (cgraph_finalize_pending_functions): Remove. Update callers.
6393 * tree.h (OMP_DIRECTIVE_P): Define.
6394 (OMP_PARALLEL_FN): Define.
6395 (OMP_PARALLEL_DATA_ARG): Define.
6396 (OMP_SECTIONS_SECTIONS): Define.
6397 * tree-pass.h (pass_expand_omp): Declare.
6398 * omp-low.c (struct omp_region): Declare.
6399 (struct omp_context): Remove fields 'parallel_type',
6400 'parallel_start_ix' and 'parallel_start_additional_args'.
6402 (struct omp_for_data): Rename from struct expand_omp_for_data.
6403 (omp_regions): New static variable.
6404 (root_omp_region): New static variable.
6405 (find_omp_clause): Make static.
6406 (is_in_combined_parallel_ctx): Remove.
6407 (is_combined_parallel): New.
6408 (extract_omp_for_data): Move earlier in the file.
6409 (workshare_safe_to_combine_p): New.
6410 (get_ws_args_for): New.
6411 (determine_parallel_type): Move earlier in the file.
6412 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6414 (omp_copy_decl): Likewise.
6415 (create_omp_child_function): Likewise.
6416 (lookup_omp_region): New.
6417 (dump_omp_region): New.
6418 (debug_omp_region): New.
6419 (debug_all_omp_regions): New.
6420 (new_omp_region): New.
6421 (scan_omp_parallel): If parallel_nesting_level > 1, the
6422 directive is nested within another parallel directive.
6423 Set OMP_PARALLEL_FN.
6424 (scan_omp_for): Do not try to handle combined parallel+for
6426 Remove FIXME comment.
6427 (scan_omp_nested): Remove.
6428 (scan_omp_1): Do not call scan_omp_nested when
6429 parallel_nesting_level is > 1.
6430 Do not change the DECL_CONTEXT of local variables found.
6431 (lookup_decl_in_outer_ctx): New.
6432 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6433 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6434 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6435 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6436 If CTX is nested, lookup VAR in the outer context when
6437 building copy assignment.
6438 (lower_send_clauses): Rename from expand_send_clauses.
6439 If CTX is nested, lookup VAR in the outer context when
6440 building copy assignments.
6441 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6442 If CTX is nested, lookup VAR in the outer context when
6443 building copy assignments.
6444 (expand_parallel_call): Rename from build_parallel_call.
6445 Handle combined parallel+workshare cases.
6446 Re-implement to emit code into the CFG.
6448 (expand_omp_parallel): Re-implement to emit code into the CFG.
6449 Call move_sese_region_to_fn to outline the sub-graph
6450 containing the parallel region.
6451 (expand_omp_for_1): Remove.
6452 (expand_omp_for_generic): Re-implement to emit code into the
6454 (expand_omp_for_static_nochunk): Likewise.
6455 (expand_omp_for_static_chunk): Likewise.
6456 (expand_omp_for): Likewise.
6457 (expand_omp_sections): Likewise.
6458 (remove_exit_barriers): New.
6459 (expand_omp_synch): New.
6461 (build_omp_regions_1): New.
6462 (build_omp_regions): New.
6463 (execute_expand_omp): New.
6464 (gate_expand_omp): New.
6465 (pass_expand_omp): Define.
6466 (lower_omp_sections): Rename from expand_omp_sections.
6467 Set OMP_SECTIONS_SECTIONS.
6468 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6469 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6470 (lower_omp_single): Rename from expand_omp_simple.
6471 (lower_omp_master): Rename from expand_omp_master.
6472 (lower_omp_ordered): Rename from expand_omp_ordered.
6473 (lower_omp_critical): Rename from expand_omp_critical.
6474 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6475 (lower_omp_for): Re-implement.
6476 (lower_omp_parallel): Re-implement.
6477 (lower_regimplify): Rename from expand_regimplify.
6478 (lower_omp_1): Rename from expand_omp_1.
6479 If there are syntax errors in the program, replace every
6480 OpenMP directive with NOP.
6481 Call lower_omp_* instead of expand_omp_*.
6482 (lower_omp): Rename from expand_omp.
6484 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6485 * tree-gimple.h (enum omp_parallel_type): Remove.
6486 (gimple_boolify): Declare extern.
6487 (find_omp_clause, determine_parallel_type): Remove.
6489 * gimple-low.c (lower_omp_directive): New.
6490 (lower_stmt): Call it.
6491 (record_vars_into): Move from ...
6492 (record_vars): ... here.
6493 Call record_vars_into with current_function_decl.
6495 * gimplify.c (struct gimplify_ctx): Remove fields
6496 combined_pre_p and combined_ctxp. Update users.
6497 (get_formal_tmp_var): Add documentation.
6498 (gimple_boolify): Make extern.
6499 (gimplify_expr_in_ctx): Remove. Update callers.
6500 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6501 will always be a BIND_EXPR.
6502 (gimplify_expr): Handle OMP_RETURN_EXPR.
6503 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6504 (OMP_PARALLEL): Add 3 operands.
6505 (OMP_SECTIONS): Add 1 operand.
6506 (OMP_RETURN_EXPR): Define.
6508 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6509 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6510 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6511 creating a circular free list.
6512 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6514 * tree-flow.h (move_sese_region_to_fn): Declare.
6515 (record_vars_into): Declare.
6516 * tree-cfg.c (make_omp_sections_edges): New.
6517 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6518 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6519 OMP_SECTIONS and OMP_SECTION.
6520 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6521 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6522 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6523 (gather_blocks_in_sese_region): New.
6524 (struct move_stmt_d): Declare.
6526 (move_block_to_fn): New.
6527 (move_sese_region_to_fn): New.
6529 * passes.c (init_optimization_passes): Schedule
6530 pass_expand_omp after pass_init_datastructures.
6532 * tree-ssa-operands.c (get_expr_operands): Handle
6533 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6534 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6536 2006-01-19 Jeff Law <law@redhat.com>
6538 * tree-vrp.c (extract_range_from_assert): Refine the result range
6539 if the variable referenced by the ASSERT_EXPR has a range and
6540 either the tentative result range or the previous range is a
6543 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6545 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6547 2006-01-19 Jan Hubicka <jh@suse.cz>
6549 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6551 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6553 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6554 (expand_compound_operation, expand_field_assignment): Fail if the
6555 bit lengths of an extract operation are out of range.
6556 (make_extraction): Compute wanted_inner_mode based on the position
6557 and length of the extraction. Make it extraction_mode for non-constant
6558 positions, and do not modify offset in that case. When generating a
6559 new MEM, use a mode that can hold the extraction while keeping correct
6560 alignment. Remove code that supported MEMs wrapped by USEs.
6561 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6563 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6565 * config/s390/s390.md ("Y", "y"): New mode attribute.
6566 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6567 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6568 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6569 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6570 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6571 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6572 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6573 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6574 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6575 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6576 "addsi3", "subsi3"): Insn patterns removed.
6577 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6578 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6579 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6580 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6581 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6582 "*sub<mode>3_cconly2"): New insn patterns.
6583 ("addsi3", "subsi3"): New expanders.
6585 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6587 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6588 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6589 existing STMT_VINFO_VECTYPE if available.
6590 (vect_mark_relevant): Add special handling for stmts that are
6591 marked as STMT_VINFO_IN_PATTERN_P.
6592 (vect_analyze_loop): Call vect_pattern_recog.
6593 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6594 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6596 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6597 (vect_recog_func_ptr): New function-pointer type.
6598 * tree-vect-patterns.c: New file.
6599 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6600 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6601 (vect_pattern_recog_1): New functions.
6602 (vect_pattern_recog_funcs): New array of function pointers.
6604 * tree-vectorizer.h (ternary_op): New enum value.
6605 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6606 declaration. Revised documentation. Removed redundant dump prints.
6607 Removed redundant argument. Added support for reduction patterns.
6608 (vectorizable_reduction): Added support for reduction patterns.
6609 (vect_transform_stmt): Added support for patterns.
6611 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6612 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6613 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6614 (expand_widen_pattern_expr): New function.
6615 (init_optabs): Initialize new optabs udot_prod_optab,
6617 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6618 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6619 (expand_widen_pattern_expr): New function declaration.
6620 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6622 * tree-inline.c (estimate_num_insns_1): Added cases for new
6623 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6624 * tree-pretty-print.c (dump_generic_node): Likewise.
6625 (op_prio): Likewise.
6626 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6627 * tree-ssa-operands.c (get_expr_operands): Added case for
6629 * tree-vect-patterns.c (widened_name_p): New function.
6630 (vect_recog_dot_prod_pattern): Added function implementation.
6631 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6632 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6633 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6634 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6636 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6637 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6638 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6639 (init_optabs): Initialize new optabs widen_ssum_optab,
6641 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6642 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6643 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6644 use instead of type of def.
6645 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6646 function implementation.
6647 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6648 widen_ssumv8hi): New.
6650 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6653 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6656 * c-decl.c (add_flexible_array_elts_to_size): New function.
6657 (finish_decl): Use it.
6659 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6661 * diagnostic.h: Include options.h.
6662 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6663 dependancies for diagnostic.h.
6664 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6666 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6668 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6669 (ssa_ro_call_cache_valid): Ditto.
6670 * tree-ssa-alias.c (sort_tags_by_id): New function.
6671 (init_transitive_clobber_worklist): Ditto.
6672 (add_to_worklist): Ditto.
6673 (mark_aliases_call_clobbered): Ditto.
6674 (compute_tag_properties): Ditto.
6675 (set_initial_properties): Ditto.
6676 (compute_call_clobbered): Ditto.
6677 (compute_may_aliases): Call compute_call_clobbered and grouping.
6678 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6679 (compute_flow_insensitive_aliasing): Grouping now happens in our
6681 (setup_pointers_and_addressables): Remove clobbering related code.
6682 (add_may_alias): Ditto.
6683 (replace_may_alias): Ditto.
6684 (get_nmt_for): Ditto.
6685 (create_global_var):
6686 (is_escape_site): Return an escape_type enumeration.
6687 * tree-flow-inline.h (is_call_clobbered): Global var does not
6688 imply call clobbered.
6689 (mark_call_clobbered): Take a reason for marking this. Remove
6690 marking of globalness, and cache invalidation.
6691 (clear_call_clobbered): Remove cache invalidation code.
6692 * tree-dfa.c (dump_variable): If details is on, dump the reason
6694 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6696 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6697 (struct var_ann_d): Ditto.
6698 (enum escape_type): New.
6699 (mark_call_clobbered): Adjust prototype.
6700 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6701 are never call clobbered.
6702 Record reasons for escaping.
6703 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6704 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6705 (ssa_ro_call_cache_valid): Ditto.
6706 (clobbered_v_may_defs): Ditto.
6707 (clobbered_vuses): Ditto.
6708 (ro_call_vuses): Ditto.
6709 (clobber_stats): New.
6710 (init_ssa_operands): Zero out clobber stats.
6711 (fini_ssa_operands): Print out clobber stats.
6712 (get_call_expr_operands): Pass callee fndecl to
6714 (add_call_clobber_ops): Remove use of cache.
6715 Add use of PURE_CONST information.
6716 (add_call_read_ops): Remove use of cache.
6717 Add use of static not_read information.
6719 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6721 Introduce TLS descriptors for i386 and x86_64.
6722 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6723 (TARGET_ANY_GNU_TLS): New macro.
6724 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6725 (struct machine_function): Add tls_descriptor_call_expanded_p.
6726 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6727 (ix86_current_function_calls_tls_descriptor): Likewise.
6728 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6729 (override_options): Introduce gnu2 tls dialect.
6730 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6732 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6734 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6735 (ix86_init_machine_status): Initialize new field.
6736 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6737 (ix86_tls_module_base): New.
6738 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6739 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6740 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6741 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6742 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6743 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6744 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6745 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6746 * config/i386/predicates.md (tls_modbase_operand): New.
6747 (tp_or_register_operand): New.
6749 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6751 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6752 (look_for_address_of): Ditto.
6753 (ipa_init): Walk the function decls.
6754 (static_execute): Don't set readonly on FUNCTION_DECL's.
6756 2006-01-18 Roger Sayle <roger@eyesopen.com>
6758 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6759 for shifts where the source and destination registers are different.
6761 2006-01-18 Paul Brook <paul@codesourcery.com>
6763 Merge from csl-arm-branch.
6764 2005-03-14 Julian Brown <julian@codesourcery.com>
6765 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6766 (aeabi_llsl): Likewise.
6767 (ashrdi3): Likewise.
6768 (aeabi_lasr): Likewise.
6769 (lshrdi3): Likewise.
6770 (aeabi_llsr): Likewise.
6771 2005-03-10 Julian Brown <julian@codesourcery.com>
6772 * config.gcc: Disable shared libgcc for SymbianOS.
6773 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6775 2006-01-18 DJ Delorie <dj@redhat.com>
6777 * c-pragma.c (handle_pragma_diagnostic): New.
6778 (init_pragma): Register it.
6779 * doc/extend.texi: Document it.
6781 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6782 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6783 (diagnostic_context): Add classify_diagnostic[].
6784 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6785 as errors if they're overridden to DK_WARNING.
6786 (diagnostic_initialize): Initialize classify_diagnostic[].
6787 (diagnostic_set_kind_override): New.
6788 (diagnostic_report_diagnostic): Check for kind changes.
6789 * opts.c (common_handle_option): Take lang_mask. Update callers.
6791 * common.opt (Werror=): New.
6792 * doc/invoke.texi: Document -Werror=*
6794 2006-01-18 Jeff Law <law@redhat.com>
6796 * tree-vrp.c (test_for_singularity): Correct test for new
6797 min limit. Use operand_equal_p rather than pointer equality
6798 for testing if new min/max values are equal.
6800 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6801 using range information until after propagation and folding.
6803 2006-01-18 Richard Henderson <rth@redhat.com>
6804 Aldy Hernandez <aldyh@redhat.com>
6805 Jakub Jelinek <jakub@redhat.com>
6806 Diego Novillo <dnovillo@redhat.com>
6808 * omp-low.c: New file.
6809 * c-omp.c: New file.
6811 2006-01-18 Richard Henderson <rth@redhat.com>
6812 Jakub Jelinek <jakub@redhat.com>
6813 Diego Novillo <dnovillo@redhat.com>
6815 * doc/invoke.texi: Document -fopenmp.
6816 * tree-dump.h (debug_function): Declare.
6817 * hooks.c (hook_bool_tree_bool_false): New function.
6818 (hook_tree_tree_null): Remove.
6819 (hook_tree_tree_tree_null): New.
6820 * hooks.h: Update to match.
6821 * tree-pretty-print.c (debug_tree_chain): New.
6822 (print_generic_expr): Handle TDF_CHAIN.
6823 (dump_generic_node): Handle BLOCK.
6824 Do not abort with incomplete SWITCH_EXPRs.
6825 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6826 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6827 print space after directive name.
6828 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6829 Handle OMP_MASTER and OMP_ORDERED.
6830 Handle printing of OMP_BODY just in one place, goto
6831 dump_omp_body in the rest of OMP_* nodes that have
6833 Don't handle clause nodes here. Update omp statements to
6834 use dump_omp_clauses.
6835 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6836 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6837 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6838 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6839 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6840 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6841 Adjust output for GOMP_PARALLEL.
6842 (dump_omp_clauses): New.
6843 (print_declaration): Dump DECL_VALUE_EXPR.
6844 (op_symbol_1): Split out of op_symbol.
6845 (dumping_stmts): Remove. Update all users.
6846 * cgraph.c (cgraph_analyze_queue): New.
6847 (cgraph_add_new_function): New.
6848 * cgraph.h (cgraph_analyze_queue): Declare.
6849 (cgraph_add_new_function): Declare.
6850 (cgraph_lower_function): Remove.
6851 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6852 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6853 and TYPE_P nodes in its default clause.
6854 (empty_body_p): New.
6855 (tree_range_check_failed): New.
6857 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6858 OMP_CLAUSE_REDUCTION_MERGE,
6859 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6860 OMP_CLAUSE_PRIVATE_DEBUG,
6861 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6862 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6863 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6864 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6865 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6866 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6867 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6868 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6869 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6870 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6871 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6872 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6873 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6874 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6875 (TREE_RANGE_CHECK): New.
6876 (empty_body_p): Declare.
6877 (enum omp_clause_default_kind): New.
6878 (build_string_literal): Declare.
6879 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6880 (build5_stat, build5): Declare.
6881 * tree-pass.h (TDF_CHAIN): Define.
6882 * tree-pass.h (PROP_gimple_lomp): Define.
6883 (pass_lower_omp): Declare.
6884 * diagnostic.h (debug_tree_chain): Declare.
6885 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6887 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6888 * builtins.c (build_string_literal): Make extern.
6889 * gcc.c (include_spec_function): New.
6890 (static_spec_functions): Add it.
6891 (main): Move load of libgomp.spec ...
6892 (LINK_COMMAND_SPEC): ... here.
6893 (link_gomp_spec): New.
6894 (static_specs): Include it.
6895 (LINK_COMMAND_SPEC): Add link_gomp.
6896 (GOMP_SELF_SPECS): New.
6897 (driver_self_specs): Include it.
6898 (switch_matches): Don't mark inline.
6899 (main): Load libgomp.spec.
6900 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6901 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6902 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6903 * tree-gimple.h (enum omp_parallel): Declare.
6904 (determine_parallel_type): Declare.
6905 (omp_firstprivatize_variable): Declare.
6906 (omp_reduction_init): Declare.
6907 (diagnose_omp_structured_block_errors): Declare.
6908 (struct walk_stmt_info): Add want_return_expr.
6909 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6910 (find_omp_clause): Declare.
6911 (insert_field_into_struct): Declare.
6912 (struct walk_stmt_info): Move from tree-nested.c
6913 (walk_stmts): Declare.
6914 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6916 * cgraphunit.c (cgraph_lower_function): Make static.
6917 (cgraph_finalize_pending_functions): New.
6918 (cgraph_finalize_function): Call it.
6919 (cgraph_finalize_compilation_unit): Likewise.
6920 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6921 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6922 (BT_FN_UINT_UINT): New.
6923 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6924 DEF_FUNCTION_TYPE_VAR_4): Document.
6925 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6926 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6927 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6928 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6929 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6930 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6931 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6932 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6933 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6934 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6935 into separate files.
6936 (DEF_GOMP_BUILTIN): New.
6937 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6938 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6939 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6940 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6941 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6942 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6943 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6944 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6945 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6946 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6947 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6948 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6949 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6950 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6951 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6952 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6953 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6954 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6955 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6956 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6957 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6958 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6959 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6960 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6961 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6962 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6963 * sync-builtins.def: New file, moved from builtins.def.
6964 * omp-builtins.def: New file, moved from builtins.def.
6965 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6966 * gimple-low.c (lower_function_body): Clear data.
6967 (lower_stmt): Do not handle COMPOUND_EXPR.
6968 Remove call to print_node_brief.
6969 * c-tree.h (c_finish_omp_clauses): New prototype.
6970 (C_DECL_THREADPRIVATE_P): Define.
6971 (lookup_name_no_remap, c_omp_remap_private): Remove
6972 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6973 (check_for_loop_decls): Update decl.
6974 (lookup_name_no_remap, c_omp_remap_private): Declare.
6975 (build_indirect_ref, build_modify_expr, pushdecl,
6976 pushdecl_top_level): Move to c-common.h.
6977 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6978 before the switch, but just in the 2 places that need it.
6979 * c-decl.c (diagnose_mismatched_decls): Do not check for
6980 mismatched thread-local attributes when OLDDECL is marked
6981 threadprivate and NEWDECL has no thread-local attributes.
6982 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6983 (c_gimple_diagnostics_recursively): Rename from
6984 c_warn_unused_result_recursively. Invoke
6985 diagnose_omp_structured_block_errors.
6986 (check_for_loop_decls): Return a singular decl found.
6987 * langhooks.c (lhd_omp_predetermined_sharing): Return
6988 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6989 (lhd_omp_firstprivatize_type_sizes): New.
6990 (lhd_omp_assignment): New.
6991 (lhd_omp_predetermined_sharing): New.
6992 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6993 (struct lang_hooks_for_types): Add
6994 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6995 omp_predetermined_sharing, omp_disregard_value_expr,
6996 omp_private_debug_clause, omp_clause_default_ctor,
6997 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6998 (c_finish_omp_clauses): New.
6999 (c_finish_bc_stmt): Diagnose break within omp for.
7000 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7001 (build_unary_op): Return error_mark after reporting
7003 (build_modify_expr): Likewise.
7004 * gimplify.c: Include optabs.h and pointer-set.h.
7005 (enum gimplify_omp_var_data): Declare.
7006 (struct gimplify_omp_ctx): Declare.
7007 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7009 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7010 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7011 (splay_tree_compare_decl_uid): New.
7012 (new_omp_context): New.
7013 (delete_omp_context): New.
7014 (gimple_add_tmp_var): Call omp_add_variable.
7015 (gimplify_bind_expr): Likewise.
7016 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7017 true, disregard DECL_VALUE_EXPR on the decl if any.
7018 (gimplify_expr_in_ctx): New.
7019 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7020 omp_add_variable, omp_notice_variable, omp_is_private
7021 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7022 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7023 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7024 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7025 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7026 gimplify_omp_atomic): New.
7027 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7028 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7029 OMP_CRITICAL and OMP_ATOMIC.
7030 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7031 * c-pragma.h (enum pragma_kind): Add
7032 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7033 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7034 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7035 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7036 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7037 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7038 PRAGMA_OMP_THREADPRIVATE.
7039 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7040 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7041 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7042 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7043 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7044 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7045 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7046 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7047 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7048 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7049 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7050 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7051 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7053 (struct nesting_info): Add field_map,
7054 suppress_expansion, debug_var_chain.
7055 (create_nesting_tree): Initialize them.
7056 (lookup_field_for_decl): Use field_map.
7057 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7058 (convert_local_omp_clauses): New.
7059 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7060 (walk_body): Split out of walk_function.
7061 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7062 (convert_nonlocal_reference): Handle omp statements.
7063 (convert_local_reference): Likewise.
7064 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7065 (unnest_nesting_tree): New.
7066 (lower_nested_functions): Call it.
7067 (insert_field_into_struct): Make extern.
7068 (struct walk_stmt_info): Move to tree-gimple.h.
7069 (walk_stmts): Make extern.
7070 * omp-builtins.def: New file.
7071 * tree-iterator.c (expr_only): Clarify comment.
7072 * c-common.h (pushdecl_top_level, pushdecl,
7073 build_modify_expr, build_indirect_ref,
7074 c_finish_omp_master, c_finish_omp_critical,
7075 c_finish_omp_ordered, c_finish_omp_barrier,
7076 c_finish_omp_atomic, c_finish_omp_flush,
7077 c_finish_omp_for, c_split_parallel_clauses,
7078 omp_clause_default_kind, c_omp_sharing_predetermined,
7079 c_omp_remap_decl): Declare.
7080 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7081 (OBJS-common): Add omp-low.o.
7082 (c-omp.o, omp-low.o): Add.
7083 (gimplify.o): Add dependency on $(OPTABS_H).
7084 (GTFILES): Add omp-low.c.
7085 (gt-stringpool.h): Add.
7086 * tree-cfg.c (set_bb_for_stmt): Do not update the
7087 block-to-labels map if we are currently expanding to RTL.
7088 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7090 Handle IDENTIFIER_NODE.
7091 (tree_verify_flow_info): Do not ICE when emitting error
7092 messages about invalid labels.
7093 (dump_function_to_file): Reset CFUN before emitting the body
7095 (debug_function): New.
7096 * passes.c (init_optimization_passes): Schedule
7098 * langhooks-def.h (lhd_omp_predetermined_sharing,
7099 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7101 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7102 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7103 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7104 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7105 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7106 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7107 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7108 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7109 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7110 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7111 (LANG_HOOK_DECLS): Use them.
7113 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7114 Richard Henderson <rth@redhat.com>
7115 Jakub Jelinek <jakub@redhat.com>
7116 Diego Novillo <dnovillo@redhat.com>
7118 * c-parser.c (pragma_omp_clause): Define.
7119 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7120 (c_parser_compound_statement): Likewise.
7121 (c_parser_statement): Likewise.
7122 (c_parser_pragma): Handle omp pragmas.
7123 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7124 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7125 (c_parser_omp_clause_name, check_no_duplicate_clause,
7126 c_parser_omp_variable_list,
7127 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7128 c_parser_omp_clause_copyprivate,
7129 c_parser_omp_clause_default,
7130 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7131 c_parser_omp_clause_lastprivate,
7132 c_parser_omp_clause_nowait,
7133 c_parser_omp_clause_num_threads,
7134 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7135 c_parser_omp_clause_reduction,
7136 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7137 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7138 c_parser_omp_atomic, c_parser_omp_barrier,
7139 c_parser_omp_critical, c_parser_omp_flush,
7140 c_parser_omp_for_loop, c_parser_omp_for,
7141 c_parser_omp_master, c_parser_omp_ordered,
7142 c_parser_omp_sections_scope, c_parser_omp_sections,
7143 c_parser_omp_parallel, c_parser_omp_single,
7144 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7145 * c-pragma.c (init_pragma): Do omp pragma registration here.
7146 * c.opt (fopenmp): New flag.
7148 2006-01-18 Eric Christopher <echristo@apple.com>
7150 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7151 * config/darwin.h (GOMP_SELF_SPECS): Define.
7153 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7155 * rtl.h: Remove the prototype for reg_alloc.
7157 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7160 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7161 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7162 sjlj and dwarf2 exception handling.
7163 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7164 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7165 * pa/pa.c (function_value): Treat complex and vector types as
7167 (function_arg): Likewise. Only pass scalar floats in the floating
7168 point argument registers.
7169 * pa/t-slibgcc-dwarf-ver: New file.
7170 * pa/t-slibgcc-sjlj-ver: New file.
7171 * pa/t-slibgcc-elf-ver: Delete file.
7173 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7175 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7176 unlikely_test_section_p test.
7178 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7180 * mode-switching.c (optimize_mode_switching): Make it static.
7181 * basic-block.h: Remove the prototype for
7182 optimize_mode_switching.
7184 * modulo-sched.c (sms_schedule): Make it static.
7185 * rtl.h: Remove the prototype for sms_schedule.
7187 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7188 * rtl.h: Remove the prototype for gcse_after_reload_main.
7190 * reg-stack.c (reg_to_stack): Make it static.
7191 * rtl.h: Remove the prototype for reg_to_stack.
7193 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7195 * rtl.h: Remove the prototypes for regrename_optimize and
7196 copyprop_hardreg_forward.
7198 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7200 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7201 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7202 Test against the appropriate null constant for the mode.
7203 If 'fixup_overlap' is true, swap the operands if they overlap.
7204 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7205 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7206 alpha_split_tmode_pair and adjust for above change.
7207 * config/alpha/alpha.md (movtf_internal): Adjust call to
7208 alpha_split_tfmode_pair and rely on it to swap the operands.
7209 (movti_internal): New insn and post-reload splitter.
7210 (movti): New expander.
7212 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7214 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7217 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7219 * rtlanal.c (global_reg_mentioned_p_1,
7220 global_reg_mentioned_p): Remove.
7221 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7223 * flow.c (initialize_uninitialized_subregs): Make it static.
7224 * rtl.h: Remove the prototype for
7225 initialize_uninitialized_subregs.
7227 * function.c (instantiate_virtual_regs): Make it static.
7228 * function.h: Remove the prototype for
7229 instantiate_virtual_regs.
7231 * regmove.c (regmove_optimize, combine_stack_adjustments):
7233 * rtl.h: Remove the prototypes for regmove_optimize and
7234 combine_stack_adjustments.
7236 2006-01-17 Roger Sayle <roger@eyesopen.com>
7238 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7239 (size_cost): Encode costs in bytes so that a reg-reg addition is
7240 equivalent to COSTS_N_INSNS(1).
7241 (override_options): Use the size_cost.branch_cost as the default
7242 ix86_branch_cost when optimizing for size.
7244 2006-01-18 Ben Elliston <bje@au.ibm.com>
7246 * Makefile.in (D32PBIT_FUNCS): New.
7247 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7248 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7249 D64PBIT_FUNCS and D128PBIT_FUNCS.
7250 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7251 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7253 (decnumber_dep): Define.
7254 * doc/libgcc.texi (Decimal float library routines): New node.
7255 * config/dfp-bit.h, config/dfp-bit.c: New files.
7257 2006-01-18 Ben Elliston <bje@au.ibm.com>
7259 * expr.c (emit_move_change_mode): Always adjust addresses, not
7260 just during reload. Copy replacements only during reload.
7261 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7262 emit_move_via_integer.
7264 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7266 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7267 instead of $(srcdir) and ${srcdir}.
7269 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7273 * arm.h (struct machine_function): Add pic_reg.
7274 * arm.c (arm_pic_register): Make unsigned.
7275 (arm_override_options): Only set arm_pic_register if
7276 TARGET_SINGLE_PIC_BASE.
7277 (use_return_insn): Only test for a pic register if it is fixed.
7278 (arm_compute_save_reg0_reg12_mask): Likewise.
7279 (thumb_compute_save_reg_mask): Likewise.
7280 (legitimate_pic_operand): Factor out some known invariants.
7281 (legitimize_pic_address): If we don't have a fixed pic register,
7282 then set up a pseudo in the function entry sequence. Handle the
7283 pic base being in a pseudo.
7284 (arm_load_pic_register): Handle the pic register being in a pseudo.
7285 (arm_expand_prologue): Only set up the pic register if it is fixed.
7286 (thumb_expand_prologue): Likewise.
7287 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7288 (pic_load_addr_based_insn): Likewise.
7289 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7292 2006-01-18 Ben Elliston <bje@au.ibm.com>
7294 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7295 decimal float modes for all floating point registers.
7297 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7298 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7300 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7303 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7304 even when the pointer is not NULL.
7306 2006-01-16 Ian Lance Taylor <ian@airs.com>
7308 * common.opt (ftoplevel-reorder): New option.
7309 * cgraph.c (cgraph_asm_nodes): New global variable.
7310 (cgraph_asm_last_node): New static variable.
7311 (cgraph_order): New global variable.
7312 (cgraph_create_node): Set new order field.
7313 (cgraph_varpool_node): Likewise.
7314 (decide_is_variable_needed): Return true if not
7315 flag_toplevel_reorder.
7316 (cgraph_add_asm_node): New function.
7317 * cgraph.h (struct cgraph_node): Add order field.
7318 (struct cgraph_varpool_node): Add order field.
7319 (struct cgraph_asm_node): Define.
7320 (cgraph_asm_nodes, cgraph_order): Declare.
7321 (cgraph_add_asm_node): Declare.
7322 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7324 (cgraph_varpool_assemble_pending_decls): Call it.
7325 (cgraph_output_pending_asms): New static function.
7326 (cgraph_finalize_compilation_unit): Call it.
7327 (struct cgraph_order_sort): Define.
7328 (cgraph_output_in_order): New static function.
7329 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7330 !flag_toplevel_reorder case.
7331 * c-parser.c: Include "cgraph.h".
7332 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7334 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7335 than -fno-unit-at-a-time.
7336 * doc/invoke.texi (Option Summary): Mention
7337 -fno-toplevel-reorder.
7338 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7339 -funit-at-a-time documentation.
7341 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7342 Kazu Hirata <kazu@codesourcery.com>
7344 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7346 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7348 * Makefile.in (FUNCTION_H): New. Use it instead of
7349 function.h throughout the file.
7350 * function.h: Include tree.h.
7352 2006-01-17 Ben Elliston <bje@au.ibm.com>
7354 * recog.c: Separate some functions with whitespace.
7356 2006-01-16 Richard Henderson <rth@redhat.com>
7358 Merge from gomp branch:
7359 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7360 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7361 and rename from struct inline_data. Rename callee* to dst*;
7362 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7363 transform_new_cfg, transform_return_to_modify, and
7364 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7366 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7367 (copy_decl_for_dup): Remove.
7368 * tree-inline.c (struct inline_data): Move to header.
7369 (insert_decl_map): Export.
7370 (remap_decl): Update for member name changes. Use copy_decl hook.
7371 Allow for replacement to be a non-decl. Remove dead code.
7372 (remap_type_1): Check for existing mapping.
7373 (remap_type): Export.
7374 (remap_decls): Update for member name changes.
7375 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7376 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7377 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7378 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7379 (tree_function_versioning, build_duplicate_type): Likewise.
7380 (copy_body_r): Likewise. Export.
7381 (copy_decl_for_dup): Split into ...
7382 (copy_decl_for_dup_finish, copy_decl_to_var,
7383 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7384 (replace_ref_tree, inlining_p): Remove.
7386 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7388 * ifcvt.c (if_convert): Make it static.
7389 * rtl.h: Remove the prototype for if_convert.
7391 * local-alloc.c (local_alloc): Make it static.
7392 * rtl.h: Remove the prototype for local_alloc.
7394 * loop.c (loop_optimize): Make it static.
7395 * cfgloop.h: Remove the prototype for loop_optimize.
7398 2006-01-16 DJ Delorie <dj@redhat.com>
7400 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7403 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7405 * pa.md: Disparage copies between general and floating-point registers
7406 in 32-bit move patterns.
7408 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7411 * Makefile.in (check-%): Depend on site.exp instead of
7412 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7415 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7417 * global.c (global_alloc): Make it static.
7418 * rtl.h: Remove the prototype for global_alloc.
7420 2006-01-16 Richard Guenther <rguenther@suse.de>
7422 * tree-ssa-alias.c (struct used_part): Add write_only field.
7423 (get_or_create_used_part_for): Initialize it to true.
7424 (create_overlap_variables_for): Don't create structure variables
7425 for structures that only are written to.
7426 (find_used_portions): Handle MODIFY_EXPR to track whether a
7427 structure is only written to.
7429 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7431 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7433 * basic-block.h: Remove the prototype for
7434 partition_hot_cold_basic_blocks.
7436 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7438 * cppspec.c (lang_specific_spec_functions): Remove.
7439 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7440 * gcc.h (lang_specific_spec_functions): Remove.
7441 * gccspec.c (lang_specific_spec_functions): Remove.
7443 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7445 * combine.c (record_value_for_reg): Invalidate registers
7447 (record_dead_and_set_regs_1): Likewise, by passing them to
7448 record_value_for_reg.
7449 (record_dead_and_set_regs): Invalidate stores made by a
7450 call. We do not combine across a call, but we still
7451 relied on equivalences.
7453 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7455 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7456 vrp_int_const_binop returning non-constant nodes.
7458 2006-01-16 Paul Brook <paul@codesourcery.com>
7460 * config/m68k/m68k.c (output_move_const_into_data_reg):
7461 Output correct mnemonic for mvz and mvs.
7463 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7465 * rtl-factoring.c: Add sequence abstraction algorithm.
7466 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7467 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7469 (block_has_preserve_label): New function.
7470 * common.opt: Register new pass.
7471 * Makefile.in: Ditto.
7473 * timevar.def: Ditto.
7474 * tree-pass.h: Ditto.
7475 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7476 * rtl.h (make_jump_insn_raw): Add forward decl.
7477 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7479 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7480 Roger Sayle <roger@eyesopen.com>
7482 * fold-const.c (fold_minmax): New static function.
7483 (fold_binary) <MIN_EXPR>: Call it.
7484 <MAX_EXPR>: Likewise.
7485 * stor-layout.c (place_field): Use DECL_SIZE consistently
7486 in the computation of the new record size.
7488 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7490 * cse.c (cse_condition_code_reg): Make it static.
7491 * rtl.h: Remove the prototype for cse_condition_code_reg.
7493 * combine.c (combine_instructions): Make it static.
7494 * rtl.h: Remove the prototype for combine_instructions.
7496 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7499 * tree.c (get_file_function_name_long): Concatenate the first global
7500 object name with a string derived from the input filename of the object
7503 2006-01-16 Ben Elliston <bje@au.ibm.com>
7505 * config/i386/winnt-stubs.c: Update FSF address.
7506 * config/xtensa/ieee754-df.S: Ditto.
7507 * config/xtensa/ieee754-sf.S: Ditto.
7509 2006-01-14 Ian Lance Taylor <ian@airs.com>
7511 * ifcvt.c (noce_init_if_info): New static function, broken out of
7512 noce_process_if_block.
7513 (noce_process_if_block): Call noce_init_if_info.
7514 (check_cond_move_block): New static function.
7515 (cond_move_process_if_block): New static function.
7516 (process_if_block): Call cond_move_process_if_block.
7518 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7520 * cselib.c (hash_table): Rename to cselib_hash_table.
7521 (cselib_clear_table, discard_useless_values,
7522 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7523 cselib_init, cselib_finish): Adjust uses of hash_table.
7525 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7527 PR tree-optimization/25485
7528 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7529 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7530 is known to be false and true, respectively.
7532 2006-01-14 Richard Guenther <rguenther@suse.de>
7534 PR tree-optimization/22548
7535 PR tree-optimization/22555
7536 PR tree-optimization/22501
7537 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7538 * params.def (salias-max-array-elements): New parameter.
7539 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7540 * doc/invoke.texi (salias-max-array-elements): Document.
7541 * tree-flow-inline.h (var_can_have_subvars): We also handle
7543 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7545 * tree-ssa-structalias.c (params.h): Include.
7546 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7547 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7548 (get_constraint_for): For ADDR_EXPR operating on something
7549 containing an ARRAY_REF, add all subvars to the solution.
7550 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7551 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7552 for creating MUST_DEFs.
7553 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7555 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7557 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7559 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7560 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7561 number_of_iterations_le): New functions.
7562 (number_of_iterations_special): Removed.
7563 (number_of_iterations_exit): Do not use number_of_iterations_special.
7564 * tree.c (unsigned_type_for): Always return integer type.
7566 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7567 Richard Guenther <rguenther@suse.de>
7569 PR rtl-optimization/24257
7570 * gcse.c (find_moveable_store): Only consider a store movable
7571 when the SET_SRC of the insn can be assigned to a register.
7573 2006-01-14 Ian Lance Taylor <ian@airs.com>
7575 * tree.c (tree_not_class_check_failed): New function.
7576 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7577 (tree_not_class_check_failed): Declare.
7579 2006-01-13 Ian Lance Taylor <ian@airs.com>
7581 * reload1.c (do_output_reload): Add assertion rejecting a
7584 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7586 * combine.c (struct reg_stat): Add new fields truncation_label and
7588 (record_value_for_reg): Reset truncated_to_mode.
7589 (record_truncated_value): New function.
7590 (check_promoted_subreg): Call it. Rename to check_conversions.
7591 (combine_instructions): Rename check_promoted_subreg to
7593 (reg_truncated_to_mode): New function.
7594 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7595 (gen_lowpart_or_truncate): New function.
7596 (force_to_mode): Use it instead of gen_lowpart.
7598 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7600 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7601 VAR is a tag, not its type tag.
7603 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7605 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7606 alternatives to match style of other entries.
7607 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7609 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7611 PR tree-optimization/25771
7612 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7615 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7618 * tree-inline.c (declare_return_variable): If the return variable
7619 was marked as a non gimple complex, set the return slot variable
7620 to be a non gimple comple variable.
7622 2006-01-13 Richard Guenther <rguenther@suse.de>
7624 * builtins.c (expand_builtin_sincos): New function.
7625 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7627 (expand_builtin): Expand sincos using expand_builtin_sincos.
7629 2006-01-12 DJ Delorie <dj@redhat.com>
7631 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7632 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7633 so that constant shifts can be split.
7634 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7635 (m32c_valid_pointer_mode): Make static.
7636 (shift_gen_func_for): New.
7637 (m32c_prepare_shift): Use it. Split large const shifts into
7639 * config/m32c/predicates.md (shiftcount_operand): Allow more
7641 (longshiftcount_operand): New.
7642 * doc/md.texi (Machine Constraints): Document In6.
7644 2006-01-13 Ben Elliston <bje@au.ibm.com>
7646 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7647 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7650 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7652 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7653 to try to avoid clobbering pieces of structures when we know
7654 something about the whole structure.
7655 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7657 2006-01-13 Ben Elliston <bje@au.ibm.com>
7659 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7660 return in memory, as this is no limitation is no longer present.
7662 2006-01-12 DJ Delorie <dj@redhat.com>
7664 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7665 mova with fb, and for fb+0 -> An.
7667 * config/m32c/mov.md (peephole2): Fix enabling logic.
7669 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7670 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7671 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7672 FINI_ARRAY_SECTION_ASM_OP): Define.
7674 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7676 (m32c_legitimize_reload_address): New logic to reload FB to An.
7677 (m32c_output_reg_push): Add newline.
7678 (m32c_output_reg_pop): Likewise.
7680 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7682 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7684 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7686 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7688 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7690 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7693 2006-01-11 Ben Elliston <bje@au.ibm.com>
7695 * rtlanal.c (find_reg_note): Assert insn is not null.
7697 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7699 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7702 2006-01-11 Jeff Law <law@redhat.com>
7704 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7706 (mark_threaded_blocks, register_jump_thread): New functions.
7707 (thread_through_all_blocks): Remove unwanted argument. No
7708 longer rely on e->aux to communicate thread target info.
7709 Call mark_threaded_blocks. Release the threaded_blocks
7710 bitmap and threaded_edges vector when complete.
7711 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7712 (threaded_blocks): Remove.
7713 (tree_ssa_dominator_optimize): Remove initialization and
7714 finalization of threaded_blocks. Simplify call to
7715 thread_through_all_blocks.
7716 (thread_across_edge): Call register_jump_thread rather than
7717 storing thread information into e->aux.
7718 (free_all_edge_infos): Simplify now that e->aux is no longer
7719 used to communicate with thread_through_all_blocks.
7720 * tree-flow.h (thread_through_all_blocks): Update prototype.
7721 (register_jump_thread): Prototype.
7723 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7725 * df-core.c (df_compact_blocks, df_bb_replace): Use
7726 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7728 2006-01-11 Richard Guenther <rguenther@suse.de>
7730 PR tree-optimization/25734
7731 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7732 stop propagation after successful propagation to the LHS.
7734 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7736 * basic-block.h (control_flow_graph): Change the type of
7737 x_basic_block_info to VEC(basic_block,gc) *.
7738 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7740 (SET_BASIC_BLOCK): New.
7741 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7742 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7743 * cfgbuild.c (find_basic_blocks): Likewise.
7744 * cfglayout.c (fixup_reorder_chain): Likewise.
7745 * cfgrtl.c (create_basic_block_structure,
7746 rtl_create_basic_block): Likewise.
7747 * ifcvt.c (find_if_case_1): Likewise.
7748 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7751 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7753 * Makefile.in: Removed rotted odf.c entry.
7755 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7758 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7759 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7760 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7761 output pattern modifier, not %e.
7762 * config/cris/cris.c (cris_op_str): Update comment about pattern
7764 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7765 before falling through into...
7766 <case 'E'>: Redefined from old 'e' case.
7768 2006-01-11 Jan Hubicka <jh@suse.cz>
7771 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7773 2006-01-11 Jan Hubicka <jh@suse.cz>
7775 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7776 * i386.c (x86_decompose_lea): Kill.
7777 (ix86_rtx_costs): Kill.
7779 2006-01-11 Jan Hubicka <jh@suse.cz>
7781 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7782 * cgraph.h (cgraph_node): Add inline_decl.
7783 (cgraph_insert_node_to_hashtable): Declare.
7784 (save_inline_function_body): Declare.
7785 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7787 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7788 (cgraph_function_versioning): Update call of tree_function_versioning.
7789 (save_inline_function_body): New function.
7790 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7791 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7792 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7793 (cgraph_default_inline_p): Likewise.
7794 (cgraph_decide_inlining_incrementally): Likewise.
7795 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7796 (copy_bb): Kill saving; do updating of clones.
7797 (copy_cfg_body): Kill saving.
7798 (initialize_inlined-parameters): Likewise.
7799 (expand_call_inline): Likewise.
7801 (tree_function_versioning): New parameter "update_clones".
7802 (inlining_p): Kill saving.
7803 * tree-inline.h (tree_function_versioning): Update prototype.
7804 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7807 2006-01-11 Ian Lance Taylor <ian@airs.com>
7809 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7810 Allow undoing set of machine mode.
7811 (do_SUBST): Use enums instead of is_int.
7812 (do_SUBST_MODE): New function.
7813 (SUBST_MODE): New macro.
7814 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7815 reg and trying to replace reg_regno_rtx with a new register.
7816 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7817 (simplify_set): Use SUBST_MODE.
7818 (distribute_notes): Remove code that tried to update reg notes
7819 for regno_reg_rtx changes.
7821 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7823 PR tree-optimization/23109
7824 PR tree-optimization/23948
7825 PR tree-optimization/24123
7827 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7828 * tree-cfg.c (single_noncomplex_succ): New.
7829 * tree-flow.h (single_noncomplex_succ): Declare it.
7830 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7831 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7832 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7833 insert_bb, register_division_in, insert_reciprocals,
7834 replace_reciprocal, free_bb): New.
7835 (execute_cse_reciprocals_1): Rewritten.
7836 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7837 Do not commit any edge insertion. Always compute dominators and
7838 create the allocation pool.
7839 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7840 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7841 * targhooks.c (default_min_divistions_for_recip_mul): New.
7842 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7843 * passes.c (init_optimization_passes): Run recip after tree loop
7845 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7847 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7848 Kenneth Zadeck <zadeck@naturalbridge.com>
7850 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7851 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7852 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7853 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7854 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7855 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7856 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7857 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7858 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7859 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7860 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7861 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7862 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7863 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7864 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7865 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7866 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7867 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7868 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7869 DF_SCAN_POST_ALLOC): New macros.
7870 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7871 df_free_bb_function, df_local_compute_function, df_init_function,
7872 df_dataflow_function, df_confluence_function_0,
7873 df_confluence_function_n, df_transfer_function,
7874 df_finalizer_function, df_free_function, df_dump_problem_function,
7875 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7876 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7877 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7878 df_urec_bb_info, ) New types.
7879 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7881 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7882 df_analyze_simple_change_some_blocks,
7883 df_analyze_simple_change_one_block, df_compact_blocks,
7884 df_bb_replace, df_bb_regno_last_use_find,
7885 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7886 df_insn_regno_def_p, df_find_def, df_find_use,
7887 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7888 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7889 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7890 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7891 debug_df_chain, df_get_dependent_problem, df_chain_create,
7892 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7893 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7894 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7895 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7896 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7897 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7898 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7899 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7900 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7901 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7902 df_reorganize_refs, df_set_state, df_hard_reg_init,
7903 df_read_modify_subreg_p) New public functions.
7904 * df-core.c: The core dataflow solver and glue routines for rtl
7906 (df_init, df_add_problem, df_set_blocks, df_finish,
7907 df_hybrid_search_forward, df_hybrid_search_backward,
7908 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7909 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7910 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7911 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7912 df_reg_defined, df_find_use, df_reg_used, df_dump,
7913 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7914 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7915 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7916 debug_df_useno, reset_df_after_reload): New functions.
7917 * df-scan.c: The scanning fuctions, once in df.c, completely
7918 rewritten so that they now fully model the functionality of
7919 register usage at the backend.
7920 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7921 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7922 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7923 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7924 df_get_artificial_defs, df_get_artificial_uses,
7925 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7926 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7927 df_refs_delete, df_reorganize_refs, df_set_state,
7928 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7929 df_def_record_1, df_defs_record, df_uses_record,
7930 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7931 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7932 df_record_exit_block_uses, df_hard_reg_init): New functions.
7934 * df-problems.c: Seven concrete dataflow problems that use the
7935 scanning in df-scan.c and are solved by the engine in df-core.c.
7936 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7937 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7938 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7939 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7940 df_ru_free_bb_info, df_ru_alloc,
7941 df_ru_bb_local_compute_process_def,
7942 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7943 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7944 df_ru_transfer_function, df_ru_free, df_ru_dump,
7945 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7946 df_rd_free_bb_info, df_rd_alloc,
7947 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7948 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7949 df_rd_transfer_function, df_rd_free, df_rd_dump,
7950 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7951 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7952 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7953 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7954 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7955 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7956 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7957 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7958 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7959 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7960 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7961 df_urec_mark_reg_use_for_earlyclobber,
7962 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7963 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7964 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7965 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7966 df_chain_create_bb_process_use, df_chain_create_bb,
7967 df_chain_finalize, df_chain_free, df_chains_dump,
7968 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7969 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7970 df_reg_lifetime): New functions.
7971 * df.c: Deleted file.
7972 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7973 consistent with new df api.
7974 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7975 rest_of_handle_sms): Ditto.
7976 * web.c (unionfind_union, union_defs, entry_register, web_main):
7978 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7979 invariant_expr_equal_p, find_defs, check_dependencies,
7980 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7981 free_inv_motion_data, move_loop_invariants): Ditto.
7982 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7983 Update dependencies.
7984 (odf.c): Added defective entry that was deleted later in day.
7985 * sched-deps.c (sched_analyze_1): Ditto.
7987 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7989 * tree-ssa-operands.c (get_expr_operands): Record addressable
7990 variables directly. Do not call add_stmt_operands for CONST_DECLs
7992 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7993 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7995 2006-01-11 Ben Elliston <bje@au.ibm.com>
7997 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7998 function returns true in the positive case.
8000 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8003 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8004 for SI, DI, SF and DF modes. Add alternatives to copy between
8005 general and floating point registers to the 32-bit patterns.
8006 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8007 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8008 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8009 generating 64-bit code.
8010 * config/pa/pa.c (output_move_double): Handle copies between general
8011 and floating registers.
8013 2006-01-10 Stuart Hastings <stuart@apple.com>
8015 * config/i386/i386.md (set_got): Update.
8016 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8017 (builtin_setjmp_receiver): Mach-O support.
8018 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8019 (GOT_SYMBOL_NAME): Define.
8020 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8021 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8022 * config/i386/i386.c (override_options): Revise for Darwin.
8023 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8024 support. (darwin_x86_file_end): New. (output_set_got): Add label
8025 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8026 * config/i386/i386-protos.h (output_set_got): Likewise.
8027 * config/darwin.c (machopic_legitimize_pic_address): Update
8030 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8032 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8033 when MODE isn't BLKmode.
8035 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8037 PR rtl-optimization/25367
8038 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8040 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8043 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8044 for a negative bound.
8046 2006-01-10 Richard Guenther <rguenther@suse.de>
8048 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8049 Never override with anything constraint.
8051 2006-01-10 Jan Beulich <jbeulich@novell.com>
8053 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8054 256 bits when optimize_size.
8056 2006-01-10 Jan Beulich <jbeulich@novell.com>
8058 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8060 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8061 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8064 2006-01-10 Ben Elliston <bje@au.ibm.com>
8066 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8068 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8069 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8070 (USE_FP_FOR_ARG): Reject decimal float modes.
8071 (function_arg_advance): Likewise.
8072 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8073 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8074 point types in AltiVec vectors.
8075 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8076 (rs6000_libcall_value): Likewise.
8078 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8080 * config/xtensa/ieee754-df.S: New file.
8081 * config/xtensa/ieee754-sf.S: New file.
8082 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8083 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8084 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8086 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8088 * config/sh/predicates.md (binary_float_operator,
8089 binary_logical_operator, commutative_float_operator,
8090 equality_comparison_operator, greater_comparison_operator,
8091 less_comparison_operator, logical_operator,
8092 noncommutative_float_operator, shift_operator,
8093 symbol_ref_operand, unary_float_operator): Remove redundant
8096 2006-01-09 Jeff Law <law@redhat.com>
8098 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8099 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8100 now unused arguments. Callers updated.
8101 (eliminate_redundant_computations): Remove now unused arguments,
8103 (local_fold): Remove, no longer used.
8104 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8106 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8107 (simplify_cond): New function.
8108 (forward_propagate_into_cond): Call simplify_cond.
8110 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8112 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8113 (*vec_extractv2di_1_sse): New.
8115 2006-01-09 Ben Elliston <bje@au.ibm.com>
8117 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8119 2006-01-08 Richard Guenther <rguenther@suse.de>
8121 * tree-ssa-structalias.c (get_constraint_for): Remove
8123 (get_constraint_for_component_ref): Likewise.
8124 (do_deref): Likewise.
8125 (get_constraint_for): Likewise.
8126 (do_structure_copy): Likewise.
8127 (handle_ptr_arith): Likewise.
8128 (find_func_aliases): Likewise. Remove unused need_anyoffset
8131 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8132 Kaz Kojima <kkojima@gcc.gnu.org>
8134 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8135 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8136 (EXTRA_CONSTRAINT_C16): Remove.
8137 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8138 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8139 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8140 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8141 constants of SHmedia. Handle nested constant expressions of
8143 (andcosts): Fix the costs for SHmedia constants.
8144 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8145 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8146 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8147 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8148 (movv4hi_i, movv2si_i): Likewise.
8149 (movsi_const): Adjust the second operand of ior so to match with
8151 (movdi_const, movdi_const_32bit): Likewise.
8152 (movdi_const_16bit+1): Don't sign-extend LOW.
8153 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8155 (*double_shori): Fix the split condition. Use GEN_INT instead
8156 of get_int_mode calls. Mask lower 16-bit of the argument of
8158 (sym2GOTPLT): Remove.
8159 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8161 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8162 instead of EXTRA_CONSTRAINT_C16.
8164 2006-01-07 Ian Lance Taylor <ian@airs.com>
8165 David Edelsohn <edelsohn@gnu.org>
8167 PR rtl-optimization/25662
8168 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8169 for constant operands instead of simplify_gen_binary.
8170 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8171 after trying simplify_binary_operation
8173 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8175 * tree.c (iterative_hash_expr): Hash decls based on UID.
8177 2006-01-06 Eric Christopher <echristo@apple.com>
8179 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8180 (TARGET_UNWIND_EMIT): Fix spelling.
8181 * target.h (gcc_target): Add except_table_label.
8182 * except.c (output_function_exception_table): Use.
8183 * varasm.c (default_emit_except_table_label): New.
8184 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8186 (asm_out): Add here.
8187 * output.h (default_emit_except_table_label): Prototype.
8188 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8189 * config/darwin.c (darwin_emit_except_table_label): Define.
8190 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8192 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8194 PR tree-optimization/18527
8195 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8196 number_of_iterations_special, number_of_iterations_exit):
8197 Move base and step of an iv to a single structure. Add
8198 no_overflow flag, and use it in # of iterations analysis.
8199 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8200 folded_casts argument.
8201 (simple_iv): Pass base and step in a structure. Set no_overflow
8203 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8204 Evaluate expensiveness of computing # of iterations instead of
8205 the final expression.
8206 * tree-scalar-evolution.h (affine_iv): New structure.
8207 (simple_iv): Declaration changed.
8208 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8209 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8210 find_givs_in_stmt): Changed due to simple_iv change.
8212 2006-01-06 Jeff Law <law@redhat.com>
8215 * tree-cfg.c (bsi_replace): Rename final argument from
8216 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8217 change (stmt -> orig_stmt).
8218 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8219 (bsi_remove): Add new argument. Remove EH information
8221 (verify_eh_throw_table_statements): New function.
8222 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8224 * tree-optimize.c (execute_free_cfg_annotations): Verify
8225 the EH throw statement table after removing annotations.
8226 * except.h (verify_eh_throw_table_statements): Prototype.
8227 * tree-flow.h (bsi_remove): Update prototype.
8228 * tree-vrp.c (remove_range_assertions): Add new argument to
8230 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8231 * tree-complex.c (expand_complex_div_wide): Likewise.
8232 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8233 * tree-tailcall.c (eliminate_tailcall): Likewise.
8234 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8235 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8236 * tree-nrv.c (tree_nrv): Likewise.
8237 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8238 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8239 (combine_blocks): Likewise.
8240 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8241 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8242 (cleanup_control_flow): Likewise.
8243 (remove_forwarder_block): Likewise.
8244 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8245 * tree-sra.c (sra_replace): Likewise.
8246 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8247 (forward_propagate_single_use_vars): Likewise.
8248 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8249 * tree-inline.c (expand_call_inline): Likewise.
8250 * tree-vect-transform.c (vect_transform_loop): Likewise.
8251 * tree-outof-ssa.c (rewrite_trees): Likewise.
8252 * tree-cfg.c (make_goto_expr_edges): Likewise.
8253 (cleanup_dead_labels): Likewise.
8254 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8255 (bsi_move_before, bsi_move_after): Likewise.
8256 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8257 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8259 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8262 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8264 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8265 on non gimple variables. Also add checks at the top for decls and
8267 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8269 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8270 and IMAGPART_EXPR for creating MUST_DEFs.
8271 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8272 and NAME_MEMORY_TAG separately from the DECLs.
8274 2006-01-06 Richard Guenther <rguenther@suse.de>
8276 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8277 annotation, if necessary.
8278 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8279 redundant calls to update_stmt.
8280 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8283 2006-01-05 Richard Henderson <rth@redhat.com>
8285 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8287 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8289 * c-typeck.c: Update copyright date.
8291 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8293 * c-typeck.c (build_c_cast): Always warn when casting
8294 from a pointer to an integer of different size, even if
8295 the node was constant.
8297 2006-01-05 Richard Guenther <rguenther@suse.de>
8299 PR tree-optimization/22555
8300 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8301 if one structure field is an array.
8302 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8303 operands even if we found a subvar, but ignore VOPs in this
8305 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8307 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8309 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8312 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8314 2006-01-05 Richard Guenther <rguenther@suse.de>
8315 Diego Novillo <dnovillo@redhat.com>
8317 * tree-pass.h (TODO_remove_unused_locals): Define.
8318 * gimple-low.c (expand_var_p, remove_useless_vars,
8319 pass_remove_useless_vars): Remove. Update all users.
8320 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8321 (remove_unused_locals): New function.
8322 * tree-flow.h (remove_unused_locals): Declare.
8323 * passes.c (execute_todo): Call remove_unused_locals if
8324 TODO_remove_unused_locals is set.
8325 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8326 * tree-ssa-dce.c (pass_dce): Likewise.
8327 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8329 2006-01-05 Richard Guenther <rguenther@suse.de>
8331 * tree-flow.h (struct fieldoff): Decompose field to
8332 type, size and decl.
8333 * tree-ssa-alias.c (create_sft): Take type as parameter.
8334 (create_overlap_variables_for): Store type, size and decl
8335 in the fieldoff structure.
8336 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8338 (push_fields_onto_fieldstack): Likewise.
8339 (create_variable_info_for): Likewise. Use offset for the
8340 SFT name if the decl is not available.
8342 2006-01-04 Paul Brook <paul@codesourcery.com>
8344 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8346 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8348 * lambda-code.c (can_put_in_inner_loop): Relax
8350 (can_put_after_inner_loop): New function.
8351 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8352 (perfect_nestify): Change to make copies and modify uses.
8354 2006-01-04 Richard Henderson <rth@redhat.com>
8356 Merge from gomp branch:
8357 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8358 via integer constant.
8359 (pragma_lex): Remove.
8360 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8361 rather than parsing it.
8362 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8363 handle_pragma_extern_prefix): Add %< %> quotes.
8364 (registered_pragmas): New.
8365 (c_register_pragma_1): New.
8366 (c_register_pragma): Use it.
8367 (c_register_pragma_with_expansion): Likewise.
8368 (c_invoke_pragma_handler): New.
8369 (init_pragma): Use cpp_register_deferred_pragma directly for
8371 * c-pragma.h (enum pragma_kind): New.
8372 (pragma_handler): New.
8373 (c_invoke_pragma_handler): Declare.
8374 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8376 * c-common.h (c_common_pch_pragma): Update decl.
8377 * Makefile.in (c-parser.o): Update dependencies.
8378 (GTFILES): Add c-pragma.h.
8379 * c-parser.c (struct c_token): Add pragma_kind.
8380 (struct c_parser): Add in_pragma.
8381 (c_lex_one_token): Always initialize keyword and pragma_kind.
8382 Extract data for CPP_PRAGMA.
8383 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8384 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8385 Don't allow CPP_PRAGMA_EOL if in_pragma.
8386 (c_parser_consume_pragma): New.
8387 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8388 (c_parser_skip_to_end_of_parameter): Likewise.
8389 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8390 (c_parser_skip_to_pragma_eol): New.
8391 (c_parser_external_declaration): Handle CPP_PRAGMA.
8392 (c_parser_compound_statement_nostart): Likewise.
8393 (c_parser_statement_after_labels): Likewise.
8394 (c_parser_pragma): New.
8395 (pragma_lex): Likewise.
8396 (c_parser_pragma_pch_preprocess): New.
8397 (c_parser_new): Merge into ...
8398 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8400 2006-01-04 Jeff Law <law@redhat.com>
8403 * tree-cfg.c (bsi_replace): Remove the original statement
8404 from the EH throw statement table.
8406 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8408 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8409 make the prototype extern "C" and add throw ().
8412 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8413 and pos non-negative and pos + len <= 32.
8414 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8415 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8416 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8419 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8420 as well as sizes not multiple of component size.
8423 * function.c (instantiate_expr): New function.
8424 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8425 walk its DECL_VALUE_EXPR with instantiate_expr.
8427 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8428 DW_OP_deref{,_size} if address isn't going to be added.
8430 2006-01-04 Ben Elliston <bje@au.ibm.com>
8432 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8433 * config/fp-bit.c: Likewise.
8435 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8437 * dominance.c: Add comment about why we use DFS numbering
8440 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8441 Richard Henderson <rth@redhat.com>
8443 Merge from gomp-branch:
8444 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8445 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8447 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8449 PR rtl-optimization/25578
8450 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8451 pass a parameter to simplify_shift_const if changing ASHIFTRT
8454 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8456 * builtins.c (get_builtin_sync_mem): New function.
8457 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8458 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8459 Call get_builtin_sync_mem to generate mem rtx.
8461 2006-01-03 Richard Guenther <rguenther@suse.de>
8464 * stmt.c (add_case_node): Make sure to clear overflow flags
8467 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8469 Merge from gomp-branch.
8470 * config/sparc/sync.md: New file.
8471 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8472 UNSPECV_LDSTUB): New constants.
8473 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8474 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8475 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8478 2006-01-03 Roger Sayle <roger@eyesopen.com>
8480 * combine.c (reg_subword_p): New predicate to test whether the
8481 destination of a set refers to a subword/piece of a register.
8482 (try_combine): Generalize the code to merge the setting of a
8483 pseudo to a constant followed by a set of a subword of that
8484 register to a constant.
8486 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8488 * basic-block.h (control_flow_graph): Change the type of
8489 x_label_to_block_map to VEC(basic_block,gc) *.
8490 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8491 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8493 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8494 VEC(basic_block,heap) *.
8495 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8496 ssa_prop_fini): Adjust the uses of cfg_blocks.
8498 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8500 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8502 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8503 hashing trees instead of a pointer hash.
8504 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8505 compare for MEM_EXPR.
8507 PR rtl-optimization/25130
8508 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8509 when comparing MEMs for GCSE
8511 2006-01-03 Ben Elliston <bje@au.ibm.com>
8513 * targhooks.h (default_decimal_float_supported_p): Declare.
8514 * targhooks.c (default_decimal_float_supported_p): Define.
8515 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8516 `default_decimal_float_supported_p'.
8517 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8519 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8521 * combine.c (apply_distributive_law <SUBREG>): Check
8522 TRULY_NOOP_TRUNCATION.
8524 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8526 * dwarf2out.c (have_switched_text_section): Delete.
8527 (have_multiple_function_sections): New.
8528 (have_location_lists): Make 'bool'.
8529 (add_AT_loc_list): Use 'true' not '1'.
8530 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8531 (output_loc_list): Use have_multiple_function_sections.
8532 (output_ranges): Likewise.
8533 (dwarf2out_begin_function): Set have_multiple_function_sections if
8535 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8536 Check function_section rather than DECL_SECTION_NAME.
8537 (dwarf2out_finish): Use have_multiple_function_sections.
8538 Don't clear have_location_lists.
8540 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8541 Jan Hubicka <jh@suse.cz>
8543 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8544 case of conditional jump jumping to the next instruction.
8545 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8546 cases of conditional jump jumping to the next instruction.
8548 2006-01-02 Jan Hubicka <jh@suse.cz>
8550 * i386.c (*_cost): Add COSTS_N_INSNS.
8551 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8553 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8556 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8558 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8560 * config/arm/arm.c (all_fpus): Fix comment typo.
8561 * config/darwin.c: Likewise.
8562 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8563 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8564 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8566 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8568 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8569 (rs6000_split_compare_and_swapqhi): New.
8570 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8571 (sync_compare_and_swapqhi_internal): New.
8572 * config/rs6000/rs6000-protos.h: Declare.