1 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
3 * lambda-code (perfect_nestify): Remove mark/unmark
5 * tree-loop-linear.c (linear_transform_loops): Add
6 rewrite_into_ssa call so that ssa is correct for
7 rewriting into loop closed.
9 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
11 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
12 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
14 * bt-load.c (btr_def_live_range, combine_btr_defs,
15 migrate_btr_def, migrate_btr_defs): Likewise.
16 * cfgcleanup.c (thread_jump): Likewise.
17 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
18 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
19 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
20 df_rd_local_compute, df_reg_info_compute): Likewise.
21 * dominance.c (init_dom_info, free_dom_info): Likewise.
22 * flow.c (init_propagate_block_info,
23 free_propagate_block_info): Likewise.
24 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
25 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
26 modify_reg_pav): Likewise.
27 * loop-invariant.c (find_defs, find_invariant_insn,
28 find_invariants, free_inv_motion_data): Likewise.
29 * predict.c (tree_predict_by_opcode,
30 estimate_bb_frequencies): Likewise.
31 * stmt.c (expand_case): Likewise.
32 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
33 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
34 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
35 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
36 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
37 rewrite_ssa_into_ssa): Likewise.
38 * tree-optimize.c (tree_rest_of_compilation): Likewise.
39 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
40 analyze_edges_for_bb, perform_edge_inserts): Likewise.
41 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
42 * tree-sra.c (tree_sra): Likewise.
43 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
44 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
45 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
46 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
47 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
48 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
50 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
51 calculate_live_on_entry, calculate_live_on_exit,
52 build_tree_conflict_graph): Likewise.
53 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
54 record_important_candidates, set_use_iv_cost, find_depends,
55 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
56 tree_ssa_iv_optimize_finalize): Likewise.
57 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
58 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
59 tree_duplicate_loop_to_header_edge): Likewise.
60 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
61 * tree-ssa.c (verify_flow_insensitive_alias_info,
62 verify_name_tags, verify_ssa, init_tree_ssa,
63 delete_tree_ssa): Likewise.
64 * tree-ssanames.c (marked_ssa_names, init_ssanames,
65 fini_ssanames): Likewise.
66 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
68 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
70 * config/rs6000/t-rtems: Completely reworked.
72 2005-02-17 Ira Rosen <irar@il.ibm.com>
74 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
76 2005-02-17 Ira Rosen <irar@il.ibm.com>
78 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
79 POINTER_TYPE_P when checking that type is a pointer.
80 (vect_get_memtag): Remove.
81 (vect_address_analysis): Use POINTER_TYPE_P. Call
82 vect_object_analysis with dummy parameter for memtag.
83 (vect_object_analysis): Extract memtag (functionality that
84 used to be in vect_get_memtag and moved here). Fix printings.
85 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
86 with correct parameters. Remove call to vect_get_memtag.
88 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
90 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
91 (tree-vectorizer.o): Added missing dependencies.
93 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
95 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
96 declaration in tree-vectorizer.c, now has an extern declaration in
98 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
99 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
100 get_vectype_for_scalar_type, vect_is_simple_use,
101 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
102 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
103 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
104 vectorizable_store, vectorizable_operation, vectorizable_assignment,
105 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
106 find_loop_location): Likewise.
108 * tree-vectorizer.c (langhooks.h): #include removed.
109 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
110 moved to tree-vectorized.h.
111 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
112 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
113 get_vectype_for_scalar_type, vect_is_simple_use,
114 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
115 vect_supportable_dr_alignment, new_loop_vec_info,
116 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
117 vect_set_verbosity_level, find_loop_location): Likewise.
119 (vect_analyze_loop): Function externalized. Declaration moved to
120 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
121 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
122 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
123 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
124 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
125 vect_enhance_data_refs_alignment, vect_analyze_operations,
126 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
127 vect_stmt_relevant_p, vect_get_loop_niters,
128 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
129 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
130 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
131 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
132 vect_get_memtag): Likewise.
134 (vectorizable_load): Function externalized. Declaration moved to
135 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
136 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
137 vect_transform_loop): Likewise.
138 (vect_transform_stmt): Moved to tree-vect-transform.c.
139 (vect_align_data_ref, vect_create_destination_var,
140 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
141 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
142 vect_get_vec_def_for_operand, vect_init_vector,
143 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
144 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
145 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
146 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
147 vect_do_peeling_for_loop_bound): Likewise.
149 * tree-vect-analyze.c: New file.
150 * tree-vect-transform.c: New file.
152 2005-02-17 Jason Merrill <jason@redhat.com>
154 PR mudflap/19319, c++/19317
155 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
158 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
160 * doc/install.texi (Specific): Update link for Darwin-specific
163 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
165 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
166 constant_boolean_node.
168 2005-02-16 David Edelsohn <edelsohn@gnu.org>
171 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
172 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
174 2005-02-16 Richard Henderson <rth@redhat.com>
177 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
179 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
180 replace uses with Wtype_MAXp1_F.
181 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
182 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
183 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
184 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
185 and HAVE_TFMODE as appropriate.
186 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
187 (__floatdisf): Likewise.
188 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
189 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
190 (Wtype_MAXp1_F): New.
191 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
192 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
194 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
197 * arm.c (arm_apply_result_size): New function.
198 * arm.h (APPLY_RESULT_SIZE): Define.
199 * arm-protos.h (arm_apply_result_size): Add prototype.
200 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
202 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
203 (call_value_symbol): Remove predicate for operand 0.
204 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
205 (untyped_call): Rework to correclty return values for any type.
206 (untyped_return): New expand.
207 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
209 2005-02-16 Stan Shebs <shebs@apple.com>
211 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
212 * config/rs6000/t-darwin8: New, for 64-bit multilib.
214 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
216 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
217 configure settings on Solaris 7 and later.
219 2005-02-16 Diego Novillo <dnovillo@redhat.com>
221 PR tree-optimization/19865
222 * tree-optimize.c (init_tree_optimization_passes): Run
223 pass_may_alias after pass_sra.
225 2005-02-16 Richard Henderson <rth@redhat.com>
226 Stuart Hastings <stuart@apple.com>
229 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
230 Do nothing if debug info suppressed for this function.
231 (dbxout_begin_function): Early exit if debug info suppressed for
234 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
237 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
239 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
241 PR tree-optimization/19967
242 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
243 expand_builtin_strchr, expand_builtin_strrchr): Take a new
244 argument TYPE. Adjust calls to fold_builtin_XXX.
245 (expand_builtin, fold_builtin_1): Adjust calls to
247 (fold_builtin_strchr, fold_builtin_strpbrk,
248 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
249 result to a requested type TYPE.
251 2005-02-16 Jakub Jelinek <jakub@redhat.com>
254 * fold-const.c (fold): Don't optimize (T)(x & cst) to
255 (T)x & (T)cst if (T)cst overflows.
256 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
257 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
259 2005-02-15 Jeff Law <law@redhat.com>
261 * gcse.c (blocks_with_calls): New bitmap.
262 (alloc_gcse_mem): Allocate it.
263 (free_gcse_mem): Free it.
264 (clear_modifY_mem_tables): Clear it.
265 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
266 when we encounter CALL_INSNs.
267 (compute_transp, case MEM): Handle blocks with calls separate
268 from blocks without calls. Use bitmap iterators rather than
271 2005-02-15 Peter O'Gorman <peter@pogma.com>
274 * mklibgcc.in (vis_hide): Use a temporary object file, not
277 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
280 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
283 2005-02-15 David Edelsohn <edelsohn@gnu.org>
284 Alan Modra <amodra@bigpond.net.au>
287 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
288 (_xlqsub): Rename to __gcc_qsub.
289 (_xlqmul): Rename to __gcc_qmul.
290 (_xlqdiv): Rename to __gcc_qdiv.
291 Provide versioned symbol aliases with old names.
292 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
293 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
294 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
295 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
296 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
298 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
300 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
301 Fold ~(A - 1) and ~(A + -1) to -A.
303 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
307 * config/host-linux.c (linux_gt_pch_use_address): Copy from
308 config/pa/pa-host.c:pa_gt_pch_use_address.
310 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
312 * tree-vn.c (get_value_handle): Make sure that given an
313 is_gimple_min_invariant expression, we always return it.
315 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
317 * passes.c (rest_of_handle_gcse): Fix a comment.
319 2005-02-15 Jeff Law <law@redhat.com>
321 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
323 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
324 (canon_list_insert, record_last_mem_set_info): Similarly.
325 (clear_modify_mem_tables): Similarly.
327 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
329 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
330 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
331 config/mips/mips.md, config/rs6000/aix.h,
332 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
334 2005-02-15 Richard Henderson <rth@redhat.com>
336 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
337 call to be best_edge.
339 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
341 * basic-block.h: Adjust the prototype for find_basic_blocks.
342 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
343 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
346 * flow.c (recompute_reg_usage): Remove all arguments.
347 * passes.c (rest_of_compilation): Adjust the call to
349 * rtl.h: Adjust the prototype for recompute_reg_usage.
351 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
353 * tree-dump.c (dump_files): Update to reflect new member
355 (dump_register): Add new argument.
357 (dump_switch_p_1): Check against glob name if doglob was passed.
358 (dump_switch_p): Check against regular first, then glob if
359 we didn't have any hits on the dump name.
360 * tree-optimize.c (register_one_dump_file):
361 Pass in glob name as well.
362 * tree-pass.h (struct dump_file_info): Add glob
365 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
367 PR preprocessor/16323
368 * doc/invoke.texi: Document that -Wendif-labels is on by default.
370 2005-02-14 David Edelsohn <edelsohn@gnu.org>
373 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
374 (trunctfdf2_internal1): New.
375 (trunctfdf2_internal2): Renamed from trunctfdf2.
377 2005-02-14 Diego Novillo <dnovillo@redhat.com>
379 PR tree-optimization/19853
380 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
382 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
384 * passes.c (rest_of_handle_loop_optimize): Remove calls to
385 delete_dead_jumptables and cleanup_cfg.
387 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
389 * reload.c (find_reloads): Swap address_reloaded flags when
390 swapping commutative operands.
392 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
394 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
395 Use standard_iv_increment_position for computing the bsi position
397 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
400 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
403 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
404 life range of hard registers.
405 * value-prof.c (insn_prefetch_values_to_profile): Only
408 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
411 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
413 * bitmap.h (bitmap_and_compl_into): Return bool.
414 * bitmap.c (bitmap_and_compl_into): Return changed flag.
416 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
418 PR tree-optimization/19944
419 * fold-const.c (fold): Re-add ABS_EXPR folding.
421 2005-02-13 David Edelsohn <edelsohn@gnu.org>
424 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
425 {TARGET,MASK}_XL_COMPAT.
426 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
428 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
429 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
431 (rs6000_arg_partial_bytes): Same.
432 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
433 and XL compatibility enabled.
434 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
435 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
436 test to final condition.
437 (cmptf_internal2): New.
438 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
439 xl-compat. Add TFmode information to description.
441 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
443 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
445 2005-02-13 Jason Merrill <jason@redhat.com>
448 * fold-const.c (fold_indirect_ref_1): Split out from...
449 (build_fold_indirect_ref): Here.
450 (fold_indirect_ref): New fn.
451 * tree.h: Declare it.
452 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
453 (gimplify_modify_expr_rhs): Likewise.
454 (gimplify_expr): Likewise.
456 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
458 PR tree-optimization/14303
459 PR tree-optimization/15784
460 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
461 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
462 ABS_EXPR<x> != 0 to x != 0.
464 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
466 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
467 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
468 spelling conventions.
470 * passes.c (rest_of_handle_gcse): Don't run cse_main and
471 delete_trivially_dead_insns too many times.
473 * passes.c (rest_of_handle_gcse): Remove dead assignments to
476 2005-02-12 Ira Rosen <irar@il.ibm.com>
478 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
479 (vect_is_simple_iv_evolution): Remove redundant parameter
481 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
482 without last parameter.
483 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
484 Return pointer step. Call vect_is_simple_iv_evolution without
485 last parameter. Check only that the step is multiple of size
486 type. Remove stmt_vinfo updates.
487 (vect_get_memtag_and_dr): Remove.
488 (vect_get_memtag): New function.
489 (vect_address_analysis): New function.
490 (vect_object_analysis): New function.
491 (vect_analyze_data_refs): Call vect_object_analysis and
492 vect_get_memtag. Update stmt_vinfo fields.
494 2005-02-12 Ira Rosen <irar@il.ibm.com>
496 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
497 exist and are objects. Remove checks for pointer.
498 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
499 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
500 (vect_create_data_ref_ptr): Likewise.
501 (vect_base_addr_differ_p): New function.
502 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
503 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
504 Don't set the DR_BASE_NAME field of data-ref.
505 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
507 2005-02-12 Uros Bizjak <uros@kss-loka.si>
509 * optabs.h (enum optab_index): Add new OTI_ldexp.
510 (ldexp_optab): Define corresponding macro.
511 * optabs.c (init_optabs): Initialize ldexp_optab.
512 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
514 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
516 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
517 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
519 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
520 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
523 2005-02-12 Ira Rosen <irar@il.ibm.com>
525 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
527 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
529 (vect_get_base_and_offset): Always return an address.
530 (vect_create_addr_base_for_vector_ref): Remove treatment for
531 different data reference types.
532 (vect_compute_data_ref_alignment): Rename base to base_address in
533 stmt_vec_info. Get the object in order to force its alignment.
534 (vect_get_memtag_and_dr): Rename base to base_address in
535 stmt_vec_info. Extract the object for memtag analysis.
537 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
540 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
541 changes cc_status, use apply modified_in_p to part of cc_status
542 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
545 2005-02-11 Richard Henderson <rth@redhat.com>
547 * tree-complex.c (expand_complex_libcall): New.
548 (expand_complex_multiplication): Use it for c99 compliance.
549 (expand_complex_division): Likewise.
550 * fold-const.c (fold_complex_add, fold_complex_mult): New.
552 * builtins.c (built_in_names): Remove const.
553 * tree.c (build_common_builtin_nodes): Build complex arithmetic
555 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
556 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
557 (built_in_names): Remove const.
558 * c-common.c (c_common_type_for_mode): Handle complex modes.
559 * flags.h, toplev.c (flag_complex_method): Rename from
560 flag_complex_divide_method.
561 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
562 __mulsc3, __muldc3, __mulxc3, __multc3): New.
563 * libgcc2.h: Declare them.
564 * libgcc-std.ver: Export them.
565 * mklibgcc.in (lib2funcs): Build them.
567 2005-02-11 Steven Bosscher <stevenb@suse.de>
569 PR tree-optimization/19876
570 Partially revert my change from 2005-01-14
571 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
572 (compute_antic): ...and remove the loop here.
574 2005-02-11 Jakub Jelinek <jakub@redhat.com>
577 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
578 is number of inner's bits, avoid creating a BIT_FIELD_REF.
580 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
581 crtend.o if -pie. Use %{x:a;:b} spec syntax.
583 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
585 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
586 offsets for the big-endian 32-bit case.
588 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
590 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
592 2005-02-11 Dale Johannesen <dalej@apple.com>
594 * cselib.c (cselib_process_insn): Clear out regs where
595 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
596 * reload.c (find_equiv_reg): Ditto.
598 2005-02-11 Ian Lance Taylor <ian@airs.com>
600 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
603 * tree.c (build_function_type_list): Work correctly if there are
606 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
608 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
609 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
610 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
611 TARGET_ZARCH instead of TARGET_64BIT.
613 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
615 * config/rs6000/t-rtems:
616 (MULTILIB_OPTIONS): Remove mcpu=602.
617 (MUTLILIB_DIRNAMES): Remove m602.
618 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
619 Let mcpu=602 match mcpu=603.
620 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
622 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
624 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
627 2005-02-10 David Daney <ddaney@avtrex.com>
629 * config/alpha/linux-unwind.h: Add exception clause to copyright.
630 * config/i386/linux-unwind.h: Likewise.
631 * config/ia64/linux-unwind.h: Likewise.
632 * config/mips/linux-unwind.h: Likewise.
633 * config/pa/linux-unwind.h: Likewise.
634 * config/rs6000/linux-unwind.h: Likewise.
635 * config/s390/linux-unwind.h: Likewise.
636 * config/sh/linux-unwind.h: Likewise.
637 * config/sparc/linux-unwind.h: Likewise.
639 2005-02-10 Steven Bosscher <stevenb@suse.de>
641 PR tree-optimization/17549
642 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
643 TER to replace a DEF with its expression if the DEF and the
644 rhs of the expression we replace into have the same root
647 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
649 * config/mips/mips.md: Fix the placement of the match_scratch in the
652 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
654 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
657 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
659 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
660 (strip_offset): Handle addresses.
661 (add_address_candidates): Use strip_offset.
662 (difference_cost): Reflect strip_offset change.
663 (force_var_cost, difference_cost): Strip nops.
665 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
667 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
669 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
670 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
671 config/cris/cris-protos.h, config/cris/cris.c: Update
674 2005-02-10 Jeff Law <law@redhat.com>
676 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
677 (lookup_avail_expr): Similarly.
679 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
681 * builtins.c (fold_builtin_powi): New function.
682 (fold_builtin_1): Call it.
684 2005-02-10 Steven Bosscher <stevenb@suse.de>
686 PR documentation/19309
687 * doc/cpp.texi: The __GNUC__ and related predefined macros
688 are also defined for the "standalone" cpp.
689 Some non-GCC compilers may also define __GNUC__.
691 2005-02-10 Jakub Jelinek <jakub@redhat.com>
694 * c-typeck.c (common_type): New routine. Old common_type renamed
696 (c_common_type): ...this.
697 (build_conditional_expr, build_binary_op): Use c_common_type instead
700 2005-02-10 Steven Bosscher <stevenb@suse.de>
702 * doc/md.texi: Replace @samp{length} with @code{length}.
704 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
706 PR tree-optimization/18687
707 * tree-flow.h (find_loop_niter): Declare.
708 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
709 Try using scev even for loops with more than one exit.
710 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
711 (struct ivopts_data): Added niters field.
712 (struct nfe_cache_elt): New.
713 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
715 (tree_ssa_iv_optimize_init): Initialize niters cache.
716 (determine_number_of_iterations): Removed.
717 (find_induction_variables): Do not call determine_number_of_iterations.
718 Access niters for single exit through niter_for_single_dom_exit.
719 (add_iv_outer_candidates): Access niters for single exit through
720 niter_for_single_dom_exit.
721 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
722 number_of_iterations_cond.
723 (iv_period): New function.
724 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
725 (may_replace_final_value): Take data argument. Use
726 niter_for_single_dom_exit.
727 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
728 (rewrite_use_compare): Pass data to may_eliminate_iv.
729 (rewrite_use_outer): Pass data to may_replace_final_value.
730 (free_loop_data): Clean up the niters cache.
731 (tree_ssa_iv_optimize_finalize): Free the niters cache.
732 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
733 * tree-ssa-loop-niter.c (find_loop_niter): New function.
734 (find_loop_niter_by_eval): Use tree_int_cst_lt.
735 (num_ending_zeros): Moved to tree.c.
736 * tree.h (num_ending_zeros): Declare.
737 * tree.c (num_ending_zeros): Moved from tree.c.
739 2005-02-09 Richard Henderson <rth@redhat.com>
741 * builtins.c (DEF_BUILTIN): Add COND argument.
742 * tree.h (DEF_BUILTIN): Likewise.
743 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
744 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
746 (DEF_BUILTIN_STUB): New.
747 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
748 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
749 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
750 * c-common.c (DEF_BUILTIN): Add COND argument.
751 * tree.c (local_define_builtin): New.
752 (build_common_builtin_nodes): New.
754 2005-02-09 Roger Sayle <roger@eyesopen.com>
756 * fold-const.c (fold_strip_sign_ops): New function to simplify a
757 floating point expression ignoring the sign of the result.
758 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
759 (fold) <MULT_EXPR>: Use it to simplify x*x.
760 * tree.h (fold_strip_sign_ops): Prototype here.
761 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
762 argument. Use fold_strip_sign_ops to simplify the first argument.
763 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
764 first argument when the second argument is an even integer
765 constant, but only with -funsafe_math_optimizations.
766 (fold_builtin_1): Update call to fold_builtin_copysign.
768 2005-02-09 Ian Lance Taylor <ian@airs.com>
771 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
772 just check whether EH_FILTER_FAILURE falls through.
774 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
776 * gcc/haifa-sched.c (schedule_block): Make queued sched group
777 insns return to ready list in the next turn.
779 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
782 * builtins.def: New __builtin_powi[lf].
783 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
784 (expand_builtin_powi): New function.
785 (expand_builtin): Dispatch to expand_builtin_powi.
786 * libgcc2.h: Add prototypes for __builtin_powi[lf].
787 * libgcc2.c: Add __builtin_powi[lf] implementation.
788 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
789 * optabs.h: Add powi_optab.
790 * optabs.c (init_optabs): Initialize powi_optab.
791 * doc/extend.texi: Document __builtin_powi[lf].
793 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
795 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
798 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
801 * fold-const.c (try_move_mult_to_index): Remove redundant
802 type argument. Create ADDR_EXPR with correct type.
803 (fold): Update callers of try_move_mult_to_index. Convert
804 result to the appropriate type.
806 2005-02-09 Roger Sayle <roger@eyesopen.com>
809 * config/avr/avr.c (default_rtx_costs): Delete.
810 (avr_operand_rtx_cost): New function.
811 (avr_rtx_costs): Completely rewrite.
813 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
816 * config/cris/cris.c (in_code): New variable.
817 (cris_output_addr_const): Now a static function, a wrapper for
819 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
820 case from old cris_output_addr_const.
821 (cris_asm_output_label_ref): Similar for LABEL_REF.
822 (cris_output_addr_const_extra): Similar for UNSPEC.
823 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
824 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
825 * config/cris/cris-protos.h (cris_output_addr_const): Remove
827 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
828 (cris_asm_output_label_ref): Declare.
830 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
832 PR preprocessor/19801
833 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
834 filenames that changed when libcpp was moved to the toplevel.
836 2005-02-07 Roger Sayle <roger@eyesopen.com>
838 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
839 zero extensions of BImode operands. Call lowpart_subreg instead
840 of gen_lowpart_common and gen_lowpart_SUBREG.
842 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
845 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
846 * configure.ac: Set cc_for_cross_gnattools.
847 * configure: Regenerate.
849 2005-02-08 Alan Modra <amodra@bigpond.net.au>
852 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
854 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
857 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
860 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
862 * doc/extend.texi: Document deprecated extensions allowing
863 static floating-point members to have initializers and allowing
864 floating-point literals in integral constant expressions.
866 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
868 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
869 config/darwin7.h, config/mips/mips.c,
870 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
873 * cse.c: Update comments.
875 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
878 * builtins.c (fold_builtin_sqrt): Transform
879 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
882 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
883 Dorit Naishlos <dorit@il.ibm.com>
885 * doc/invoke.texi (ftree-vectorizer-verbose): New.
886 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
887 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
889 * tree.h (vect_set_verbosity_level): New extern function declaration
891 * tree-vectorizer.h (verbosity_levels): New enum type.
892 * tree-vectorizer.c (vect_debug_stats): Function removed.
893 (vect_debug_details): Likewise.
894 (vect_verbosity_level): Global variable was defined and initialized.
895 (vect_dump): Global variable definition.
896 (vect_print_dump_info): New function.
897 (vect_set_dump_settings): New function.
898 (vect_set_verbosity_level): New function.
899 (vectorize_loops): Add call to vect_set_dump_settings.
901 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
902 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
903 (slpeel_tree_peel_loop_to_edge): Likewise.
905 (vect_analyze_offset_expr): Call to vect_print_dump_info with
906 appropriate verbosity level instead of call to vect_debug_details
908 (vect_get_base_and_offset):
909 (vect_create_addr_base_for_vector_ref):
910 (get_vectype_for_scalar_type):
911 (vect_create_data_ref_ptr):
913 (vect_get_vec_def_for_operand):
914 (vect_finish_stmt_generation):
915 (vectorizable_assignment):
916 (vectorizable_operation):
917 (vectorizable_store):
919 (vect_transform_stmt):
920 (vect_update_ivs_after_vectorizer):
921 (vect_do_peeling_for_loop_bound):
922 (vect_update_inits_of_drs):
923 (vect_do_peeling_for_alignment):
924 (vect_transform_loop):
925 (vect_is_simple_use):
926 (vect_analyze_operations):
927 (vect_is_simple_iv_evolution):
928 (vect_analyze_scalar_cycles):
929 (vect_analyze_data_ref_dependence):
930 (vect_analyze_data_ref_dependences):
931 (vect_compute_data_ref_alignment):
932 (vect_enhance_data_refs_alignment):
933 (vect_analyze_data_refs_alignment):
934 (vect_analyze_data_ref_access):
935 (vect_analyze_data_ref_accesses):
936 (vect_analyze_pointer_ref_access):
937 (vect_get_memtag_and_dr):
938 (vect_analyze_data_refs):
939 (vect_mark_relevant):
940 (vect_stmt_relevant_p):
941 (vect_mark_stmts_to_be_vectorized):
942 (vect_can_advance_ivs_p):
943 (vect_get_loop_niters):
944 (vect_analyze_loop_form):
946 (vectorize_loops): Likewise.
948 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
949 (vect_update_inits_of_drs):
950 (vect_do_peeling_for_alignment):
951 (vect_transform_loop):
952 (vect_analyze_operations):
953 (vect_analyze_scalar_cycles):
954 (vect_analyze_data_ref_dependences):
955 (vect_analyze_data_refs_alignment):
956 (vect_analyze_data_ref_accesses):
957 (vect_analyze_data_refs):
958 (vect_mark_stmts_to_be_vectorized):
959 (vect_get_loop_niters):
960 (vect_analyze_loop_form):
961 (vect_analyze_loop): Likewise.
962 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
964 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
968 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
969 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
970 either -ffast-math or -funsafe-math-optimizations is in use.
972 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
973 * config/mips/irix-csr.c: New file.
974 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
975 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
976 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
979 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
981 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
982 redundant, incorrect definitions.
984 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
986 ("*tls_indirect_call"): New, reference hard regs directly.
987 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
989 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
991 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
992 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
994 2005-02-06 Roger Sayle <roger@eyesopen.com>
996 PR rtl-optimization/19800
997 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
998 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1001 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
1003 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1005 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
1008 * doc/invoke.texi: Correct documentation of -freorder-functions.
1010 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
1013 * doc/invoke.texi: Don't mention gccbug.
1015 2005-02-06 Roger Sayle <roger@eyesopen.com>
1016 Andrew Pinski <pinskia@physics.uc.edu>
1017 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
1019 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1020 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1021 into just (zero_extract:SI FOO (const_int 1) BAR).
1023 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
1025 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
1026 macro locally. Don't give last revision date. Use GCC version
1027 number from gcc-common.texi.
1028 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
1029 revision date. Use GCC version number from gcc-common.texi.
1030 Describe being a library as current state rather than as 3.x
1032 * doc/gcc.texi: Remove last update date.
1033 * doc/gccint.texi: Likewise. Update copyright dates.
1034 * doc/install.texi: Update copyright dates.
1036 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
1039 * doc/invoke.texi: Mention for each option included in -Wall that
1040 it is included in -Wall.
1041 * doc/gcc.texi: Update copyright and last modification date.
1043 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1045 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1046 unnecessary cast to original induction variable increments.
1048 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1050 PR tree-optimization/18219
1051 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1052 in distributed form.
1054 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
1056 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1057 Set bitpos and offset later in the function. Do nothing if the
1058 target is a register and if the bitfield lies completely outside
1060 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1061 here. Return an uninitialised register if the source value is stored
1062 in a register and the bitfield lies completely outside that register.
1064 2005-02-06 Steven Bosscher <stevenb@suse.de>
1066 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1069 2005-02-06 Marcin Dalecki <martin@dalecki.de>
1071 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1073 2005-02-06 Geoffrey Keating <geoffk@apple.com>
1075 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1076 * config/darwin8.h: New.
1077 * config/darwin7.h: Update comment.
1079 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
1080 Dorit Naishlos <dorit@il.ibm.com>
1082 * tree-vectorizer.h (LOC): New type.
1083 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1084 (loop_line_number): New field in struct _loop_vec_info.
1085 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1087 * tree-vectorizer.c (input.h): Included.
1088 (find_loop_location): New function.
1089 (vect_debug_stats): Argument changed from loop to LOC. Computation of
1090 loop line number removed.
1091 (vect_debug_details): Likewise.
1092 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1094 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1095 call to vect_debug_details/stats changed from loop to loop_loc.
1096 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1097 (slpeel_tree_peel_loop_to_edge): Likewise.
1099 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1100 changed from NULL to UNKNOWN_LOC.
1101 (vect_get_base_and_offset):
1102 (vect_create_addr_base_for_vector_ref):
1103 (get_vectype_for_scalar_type):
1104 (vect_create_data_ref_ptr):
1106 (vect_get_vec_def_for_operand):
1107 (vect_finish_stmt_generation):
1108 (vectorizable_assignment):
1109 (vectorizable_operation):
1110 (vectorizable_store):
1111 (vectorizable_load):
1112 (vect_transform_stmt):
1113 (vect_update_ivs_after_vectorizer):
1114 (vect_do_peeling_for_loop_bound):
1115 (vect_do_peeling_for_alignment):
1116 (vect_transform_loop):
1117 (vect_is_simple_use):
1118 (vect_analyze_operations):
1119 (vect_is_simple_iv_evolution):
1120 (vect_analyze_scalar_cycles):
1121 (vect_analyze_data_ref_dependences):
1122 (vect_compute_data_ref_alignment):
1123 (vect_enhance_data_refs_alignment):
1124 (vect_analyze_data_ref_access):
1125 (vect_analyze_data_ref_accesses):
1126 (vect_analyze_pointer_ref_access):
1127 (vect_get_memtag_and_dr):
1128 (vect_analyze_data_refs):
1129 (vect_mark_relevant):
1130 (vect_stmt_relevant_p):
1131 (vect_mark_stmts_to_be_vectorized):
1132 (vect_can_advance_ivs_p):
1133 (vect_get_loop_niters):
1134 (vect_analyze_loop):
1135 (vectorize_loops): Likewise.
1137 (vectorizable_load): Argument in call to vect_debug_details/stats
1138 changed from loop to LOOP_LOC (loop_vinfo).
1139 (vect_transform_loop):
1140 (vect_analyze_operations):
1141 (vect_analyze_scalar_cycles):
1142 (vect_analyze_data_ref_dependence):
1143 (vect_enhance_data_refs_alignment):
1144 (vect_analyze_data_ref_accesses):
1145 (vect_analyze_pointer_ref_access):
1146 (vect_analyze_data_refs):
1147 (vect_analyze_loop): Likewise.
1149 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1150 changed from loop to loop_loc.
1152 (vect_enhance_data_refs_alignment): Removed unused variable loop.
1154 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
1155 Dorit Naishlos <dorit@il.ibm.com>
1157 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1159 (vect_analyze_data_ref_dependences): Likewise.
1161 (vect_is_simple_use): Argument changed from loop structure to
1162 loop_vect_info structure.
1163 (vect_can_advance_ivs_p): Likewise.
1164 (vect_create_index_for_vector_ref): Likewise.
1165 (vect_update_ivs_after_vectorizer): Likewise.
1166 (new_stmt_vec_info): Likewise.
1168 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1169 changed from loop to loop_vinfo.
1170 (vect_create_data_ref_ptr): First argument in call to
1171 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1172 (vectorizable_assignment): Second argument in call to vect_is_simple_use
1173 was changed from loop to loop_vinfo.
1174 (vectorizable_operation): Likewise.
1175 (vectorizable_store): Likewise.
1176 (vect_mark_stmts_to_be_vectorized): Likewise.
1177 (vect_do_peeling_for_loop_bound): First argument in call to
1178 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1179 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1180 was changed from loop to loop_vinfo.
1181 (vect_analyze_data_ref_dependences): Third argument in call to
1182 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1184 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1185 (vect_create_data_ref_ptr): Likewise.
1186 (vect_init_vector): Likewise.
1187 (vect_get_vec_def_for_operand): Likewise.
1188 (vectorizable_assignment): Likewise.
1189 (vectorizable_operation): Likewise.
1190 (vectorizable_store): Likewise.
1191 (vectorizable_load): Likewise.
1192 (vect_update_ivs_after_vectorizer): Likewise.
1193 (vect_is_simple_use): Likewise.
1194 (vect_analyze_data_ref_dependence): Likewise.
1195 (vect_analyze_pointer_ref_access): Likewise.
1196 (vect_can_advance_ivs_p): Likewise.
1198 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1199 before _stmt_vec_info.
1200 (_stmt_vec_info): Loop field replaced by loop_vec_info.
1201 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1202 (new_stmt_vec_info): Argument changed from loop structure to
1203 loop_vect_info structure
1205 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1206 (vect_analyze_offset_expr): Avoid 80 columns overflow.
1207 (vect_create_addr_base_for_vector_ref): Likewise.
1208 (vect_analyze_pointer_ref_access): Likewise.
1210 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
1213 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1214 phi flag if the phi is abnormal.
1216 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
1219 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1220 information for the new statement.
1222 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
1225 * gcc.c (main): Include the target in -v output.
1227 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
1229 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1230 Do not drop the extend if we'd have to add a paradoxical subreg
1231 later. Include optabs.h and insn-codes.h.
1232 * Makefile.in (combine.o): Depend on $(OPTABS_H).
1234 2005-02-02 Roger Sayle <roger@eyesopen.com>
1237 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1238 * fold-const.c (const_binop): Avoid constant folding floating
1239 point operations in modes that use composite representations.
1240 * simplify-rtx.c (simplify_binary_operation): Likewise.
1242 2005-02-02 Geoffrey Keating <geoffk@apple.com>
1244 * config/rs6000/altivec.md (altivec_dst): Make the first operand
1246 (altivec_dstt): Likewise.
1247 (altivec_dstst): Likewise.
1248 (altivec_dststt): Likewise.
1249 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1252 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
1254 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1255 EXPR_LOCUS from orig_cond to the new cond_stmt.
1256 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1259 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
1261 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1262 standard_iv_increment_position. Remove call to bsi_next
1263 (no need to bump the iterator anymore).
1264 (vect_create_index_for_vector_ref): Call
1265 standard_iv_increment_position. Remove second function argument.
1266 (vect_finish_stmt_generation): Remove call to bsi_next
1267 (no need to bump the iterator anymore).
1268 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1269 to vect_create_index_for_vector_ref.
1271 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
1273 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1274 phis are used out of the loop.
1276 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
1279 * c-decl.c (undef_nested_function): New variable.
1280 (pop_scope): Diagnose undefined nested functions.
1281 (finish_function): Don't attempt cgraph processing or genericizing
1282 if current top-level function contained an undefined nested
1283 function. Reset undef_nested_function at the end of a top-level
1286 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1288 * tree.c (build_int_cst_type): Take sign of the value into account
1289 when deciding whether sign extend the value.
1291 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
1294 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1295 (cpp_options, cc1_options): Change %{std*&ansi} to
1296 %{std*&ansi&trigraphs}.
1298 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
1300 * cse.c: Update comments.
1302 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
1304 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1305 arguments go on the stack. Do not put complex doubles in odd/even
1308 2005-02-02 Steven Bosscher <stevenb@suse.de>
1310 * doc/invoke.texi: Update the options enabled at -O1, -O2,
1311 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
1312 -ftree-pre, and -fthread-jumps.
1314 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
1316 PR tree-optimization/19578
1317 * tree-flow.h (modified_noreturn_calls): Declare.
1318 (noreturn_call_p): Declare.
1319 * tree-flow-inline.h (noreturn_call_p): New function.
1320 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1321 * tree-cfg.c (modified_noreturn_calls): New variable.
1322 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
1323 that contain a mid-block noreturn call.
1324 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1326 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
1328 * df.c (df_def_record_1, df_uses_record): Don't use
1330 * df.h (DF_FOR_REGALLOC): Remove.
1332 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
1335 * c-typeck.c (really_start_incremental_init): Reset
1336 constructor_max_index for arrays of incomplete type.
1338 2005-02-02 Jeff Law <law@redhat.com>
1340 * gcse.c (struct reg_set): Store the block index where the register
1341 was set rather than the setting insn.
1342 (record_one_set, compute_transp): Corresponding changes.
1343 (pre_insert_copy_insn): Do not call replace_one_set.
1344 (replace_one_set): Remove.
1346 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
1349 * doc/gcov.texi: Fix typo.
1351 2005-02-01 Richard Henderson <rth@redhat.com
1354 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1355 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1357 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1358 * config/i386/i386-protos.h: Update.
1360 2005-02-01 Steven Bosscher <stevenb@suse.de>
1362 PR tree-optimization/19217
1363 * tree-cfg.c (verify_expr): Use the data field to see if TP was
1364 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
1365 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1366 that it is walking a PHI node.
1368 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
1370 * doc/extend.texi (Nested Functions): Update.
1372 2005-02-01 Richard Henderson <rth@redhat.com>
1375 * optabs.c (expand_copysign_absneg): Export.
1376 * optabs.h (expand_copysign_absneg): Declare.
1377 * config/rs6000/rs6000.md (copysigntf3): New.
1379 2005-02-01 Diego Novillo <dnovillo@redhat.com>
1381 PR tree-optimization/19633
1382 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1383 * tree-ssa-alias.c (init_alias_info): Initialize.
1384 (merge_pointed_to_info): Set.
1385 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1386 (dump_points_to_info_for): Show value of pt_null.
1387 (struct count_ptr_d): Declare.
1388 (find_ptr_dereference): Remove.
1389 (ptr_is_dereferenced_by): Remove.
1390 (count_ptr_derefs): New local function.
1391 (count_uses_and_derefs): New local function.
1392 (compute_points_to_and_addr_escape): Call it. If the number
1393 of dereferences is greater than zero, mark the pointer as
1394 dereferenced. If there are fewer dereferences than uses of
1395 the pointer, the pointer's value escapes.
1397 2005-02-01 Diego Novillo <dnovillo@redhat.com>
1399 PR tree-optimization/19670
1400 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1402 (verify_use): ... set it here, instead.
1404 2005-02-01 Janis Johnson <janis187@us.ibm.com>
1406 * doc/sourcebuild.texi (Test directives): Fix formatting.
1408 * doc/sourcebuild.texi (Test directives): Describe selector
1411 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
1413 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1414 specific 64-bit CPUs.
1416 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
1419 * arm.c (arm_eliminable_register): New function.
1420 (adjacent_mem_locations): Don't allow eliminable registers. Use
1421 HOST_WIDE_INT for address offsets.
1422 * arm-protos.h (arm_eliminable_register): Add prototype.
1424 2005-02-01 Steven Bosscher <stevenb@suse.de>
1426 PR optimization/15242
1427 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1428 * basic-block.h (duplicate_computed_gotos): Add prototype.
1429 * bb-reorder.c (duplicate_computed_gotos): New function to
1430 duplicate sufficiently small blocks ending in a computed jump.
1431 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1432 if not optimizing for size.
1433 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1434 never do tail merging for blocks ending in a computed jump.
1435 * doc/invoke.texi: Document the max-goto-duplication-insns param.
1437 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
1439 Patch from Richard Sandiford <rsandifo@redhat.com>
1440 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1441 from inheriting a subreg equivalence with a non-spill register.
1443 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1445 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
1447 * config/frv/frv.c (movcc_fp_destination_operand): New.
1448 (gpr_or_memory_operand): Fix typo in comment.
1449 (gpr_or_memory_operand_with_scratch): New.
1450 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1451 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1452 movcc_fp_destination_operand.
1453 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1454 Legitimize memory addresses using a scratch register.
1456 2005-01-31 Jeff Law <law@redhat.com>
1458 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1459 bitmap a sparse bitmap instead of a simple bitmap.
1460 (mark_def_sites_initialize_block): Corresponding changes.
1461 (ssa_mark_def_sites_initialize_block): Likewise.
1462 (ssa_mark_phi_uses): Likewise.
1463 (mark_def_site, ssa_mark_def_sites): Likewise.
1464 (mark_def_site_blocks): Likewise.
1465 (rewrite_ssa_into_ssa): Likewise.
1467 * tree-ssa-dom.c (record_cond): Pass correct variable type
1468 for last argument to htab_find_slot_with_hash.
1470 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1471 effects when optimizing 0 % X. Do not try to optimize X % 0.
1473 2005-01-31 James E. Wilson <wilson@specifixinc.com>
1475 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1478 2005-02-01 Eric Christopher <echristo@redhat.com>
1480 * config/mips/mips.c (override_options): Warn if -mint64
1482 * doc/invoke.texi (MIPS Options): Document that -mint64 is
1485 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
1487 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
1489 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1490 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1491 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1492 (cached_regno): Initialize to INVALID_REGNUM.
1493 (cse_reg_info_table_size,
1494 cse_reg_info_table_first_uninitialized,
1495 cse_reg_info_timestamp): New.
1496 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1498 (init_cse_reg_info, get_cse_reg_info_1): New.
1499 (get_cse_reg_info): Cache the last look-up.
1500 (new_basic_block): Update the code to clear mappings from
1501 registers to cse_reg_info entries.
1502 (cse_main): Call init_cse_reg_info.
1504 * cse.c (get_cse_reg_info): Update a comment.
1506 2005-01-31 Steven Bosscher <stevenb@suse.de>
1509 * c-decl.c (start_decl): Do not warn about arrays of elements with
1510 an incomplete type here.
1511 (grokdeclarator): Do it here by making a pedwarn an error.
1512 * c-typeck.c (push_init_level): If there were previous errors with
1513 the constructor type, do not warn about braces for initializers.
1514 (process_init_element): Likewise for excess initializer elements.
1516 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
1518 * cse.c (delete_trivially_dead_insn): Don't iterate.
1520 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1522 * config/rs6000/rs6000.md (copysignsf3): New expand.
1523 (copysigndf3): Likewise.
1525 2005-01-31 Steven Bosscher <stevenb@suse.de>
1527 * recog.c (constrain_operands): Only look for earlyclobber operand
1528 conflicts if an '&' constraint was seen.
1530 2005-01-31 Marc Espie <espie@openbsd.org>
1532 * config.gcc: Don't include embedded systems fragment, switches default
1533 debugging format to ELF.
1534 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
1535 longer pick it up there.
1537 2005-01-31 Dale Johannesen <dalej@apple.com>
1539 * doc/extend.texi (nested functions): Fix linkage description.
1540 Clarify that static is not allowed.
1542 2005-01-31 Dale Johannesen <dalej@apple.com>
1544 * config/rs6000/darwin.md (movsf_low_di): Make work.
1545 (movdf_low_di): Make work.
1547 2005-01-31 Dale Johannesen <dalej@apple.com>
1549 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
1550 Make work for 64 bit.
1552 2005-01-31 Roger Sayle <roger@eyesopen.com>
1553 Dale Johannesen <dalej@apple.com>
1556 * fold-const.c (fold_binary_op_with_conditional_arg):
1557 Make types match original operands, before STRIP_NOPS.
1559 2005-01-31 Alan Modra <amodra@bigpond.net.au>
1561 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
1562 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
1563 (struct gcc_sigcontext): Delete. Merge contents to..
1564 (struct gcc_ucontext): ..here.
1565 (get_sigcontext): Delete.
1566 (get_regs): New function, like get_sigcontext but return regs ptr.
1567 64-bit version finds regs from r1 to support vdso.
1568 (ppc_linux_aux_vector): New function.
1569 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
1572 2005-01-31 Ira Rosen <irar@il.ibm.com>
1574 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
1576 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
1577 redundant fold. Fix misalignment for MINUS_EXPR.
1578 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
1579 (vect_analyze_pointer_ref_access): Likewise.
1580 (vect_get_memtag_and_dr): Likewise.
1582 2005-01-31 Richard Henderson <rth@redhat.com>
1584 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
1585 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
1586 absnegdf2_i387, absnegxf2_i387): Likewise.
1588 2005-01-31 Richard Henderson <rth@redhat.com>
1591 * optabs.c (expand_copysign_absneg): New.
1592 (expand_copysign_bit): Split out from ...
1593 (expand_copysign): ... here. Use expand_copysign_absneg.
1595 2005-01-30 Roger Sayle <roger@eyesopen.com>
1598 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
1599 constant as the second operand and a register as the third.
1601 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
1604 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
1605 that dllimport'd functions do not use all call-clobbered registers
1608 2005-01-30 Richard Henderson <rth@redhat.com>
1611 * optabs.c (expand_absneg_bit): Split out from expand_unop and
1612 expand_abs_nojump and generalize. Use operand_subword and
1613 emit_no_conflict_block. Support large modes.
1614 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
1616 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
1617 negation to subtraction.
1618 (expand_copysign): Check that the format has signed zeros.
1619 Use operand_subword and emit_no_conflict_block. Support large modes.
1621 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
1623 Fix PR tree-optimization/19624
1625 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
1626 * tree-ssa-pre.c: Add cfgloop.h.
1628 (pre_stats): New member, constified.
1629 (inserted_exprs): New static variable.
1630 (NECESSARY): New macro.
1631 (create_expression_by_pieces): Fold the expression, and
1632 mark it as defaulting to not necessary. Also put in
1634 (fully_constant_expression): New function.
1635 (insert_into_preds_of_block): Modify to not insert phis when we
1636 are playing with induction variables.
1637 Push phis onto the inserted_exprs vector, and mark them as not
1638 necessary by default.
1639 (insert_aux): Call fully_constant_expression on eprime.
1640 If all edges produce the same value, mark it constant.
1641 (mark_operand_necessary): New function.
1642 (remove_dead_inserted_code): New function.
1643 (init_pre): Init loop optimizer to get loop info.
1644 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
1645 (execute_pre): Commit edge inserts, then remove dead code.
1647 2005-01-30 Richard Henderson <rth@redhat.com>
1649 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
1650 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
1652 2005-01-30 Richard Henderson <rth@redhat.com>
1655 * config/i386/i386.c (ix86_expand_copysign): New.
1656 (ix86_split_copysign_const): New.
1657 (ix86_split_copysign_var): Rename from ix86_split_copysign,
1658 rearrange op1/nmask operands.
1659 * config/i386/i386-protos.h: Update.
1660 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
1661 (copysigndf3): Likewise.
1662 (copysignsf3_const, copysigndf3_const): New.
1663 (copysignsf3_var): Rename from copysignsf3, split out splitter
1664 and fix split predicate for X constraint.
1665 (copysigndf3_var): Similarly.
1667 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
1669 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
1670 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
1671 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
1673 2005-01-29 Richard Henderson <rth@redhat.com>
1676 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
1677 of # and * in constraints.
1679 2005-01-29 Richard Henderson <rth@redhat.com>
1682 * expr.c (store_field): Don't strip sub-mode cast when the input
1683 data is even smaller.
1685 2005-01-29 Richard Henderson <rth@redhat.com>
1688 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
1691 2005-01-29 Richard Henderson <rth@redhat.com>
1693 * combine.c (make_field_assignment): Fix argument order
1696 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
1698 PR tree-optimization/15791
1699 * fold-const.c (extract_array_ref): New function.
1700 (fold): Fold comparisons between &a[i] and &a[j] or
1701 semantically equivalent trees.
1703 2005-01-29 Jeff Law <law@redhat.com>
1705 * gcse.c (insert_expr_in_table): Revamp handling of available
1706 and anticipatable occurrence lists to avoid unnecessary list
1708 (insert_set_in_table): Similarly.
1710 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
1712 * c-common.c (fix_string_type): Just use c_build_qualified_type to
1714 (c_build_qualified_type): Build qualified array types with
1715 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
1716 * c-decl.c (c_make_fname_decl): Build unqualified array type
1717 before qualified type.
1718 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
1719 type is qualified, not just if type itself is. Don't apply
1720 qualifiers to array type when declarator is processed. Apply
1721 qualifiers to field type whether or not it is an array type.
1722 Don't handle array types specially for applying qualifiers to
1724 * c-typeck.c (composite_type): Build unqualified element type and
1725 array type when forming composite of array types.
1726 (common_pointer_type, comptypes, comp_target_types,
1727 type_lists_compatible_p, build_indirect_ref, build_array_ref,
1728 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
1730 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
1731 (args2) in variables a1 and a2.
1733 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
1735 * cse.c (n_elements_made, max_elements_made): Remove.
1736 (insert): Don't touch n_elements_made.
1737 (cse_main): Don't touch n_elements_made or max_elements_made.
1739 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
1742 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
1743 configuration part of dp-bit.c to be lost.
1745 2005-01-28 Roger Sayle <roger@eyesopen.com>
1747 * expmed.c (expand_mult_highpart_optab): When attempting to use
1748 a non-widening multiplication in a wider mode, the operands need
1749 to be converted (zero or sign extended) to that mode.
1751 2005-01-28 Ian Lance Taylor <ian@airs.com>
1755 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
1756 through if both operands fall through.
1758 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
1760 * cse.c (fold_rtx) <PC>: Don't optimize.
1762 2005-01-28 Jeff Law <law@redhat.com>
1764 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
1765 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
1767 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
1769 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
1770 cse_reg_info_used_list_end): Remove.
1771 (cse_reg_info_list, cse_reg_info_list_free): New.
1772 (get_cse_reg_info): When allocating an instance of
1773 cse_reg_info, add it to the beginning of the cse_reg_info_list
1774 list. Remove code to maintain cse_reg_info_used_list.
1775 (new_basic_block): Reset the free list to the beginning of
1778 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
1780 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
1781 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
1782 (frv_expand_mdpackh_builtin): New function.
1783 (frv_expand_builtin): Use it to expand __MDPACKH.
1784 * doc/extend.texi (__MDPACKH): Update documentation.
1786 2005-01-28 Uros Bizjak <uros@kss-loka.si>
1788 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
1789 SSE_FLOAT_MODE_P for use_sse computation.
1791 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
1794 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
1796 2005-01-27 Richard Henderson <rth@redhat.com>
1798 * builtins.c (expand_builtin_copysign): New.
1799 (expand_builtin): Call it.
1800 * genopinit.c (optabs): Add copysign_optab.
1801 * optabs.c (init_optabs): Initialize it.
1802 (expand_copysign): New.
1803 * optabs.h (OTI_copysign, copysign_optab): New.
1804 (expand_copysign): Declare.
1806 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
1807 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
1809 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
1810 (ix86_expand_fp_absneg_operator): ... here.
1811 (ix86_split_copysign): New.
1812 * config/i386/i386-protos.h: Update.
1813 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
1814 (copysignsf3, copysigndf3): New.
1816 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
1817 (copysignsf3, ncopysignsf3): New.
1818 (copysigndf3, ncopysigndf3): New.
1819 (copysignxf3, ncopysignxf3): New.
1820 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
1822 2005-01-27 Arend Bayer <arend.bayer@web.de>
1823 Kazu Hirata <kazu@cs.umass.edu>
1825 * cse.c: (find_best_addr): Don't call copy_rtx before calling
1826 fold_rtx. Save cost recomputation if fold_rtx did nothing.
1827 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
1830 2005-01-27 Jeff Law <law@redhat.com>
1832 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
1833 definitions of SSA_NAMEs which are not being rewritten.
1834 (rewrite_ssa_into_ssa): Only initialize the current definition
1835 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
1836 If checking is enabled, assert that SSA_NAME_AUX is clear for all
1837 SSA_NAMEs before returning.
1839 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
1841 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
1842 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
1843 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
1844 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
1845 config/mips/iris6.h, config/sh/sh.c: Update copyright.
1847 2005-01-27 Steven Bosscher <stevenb@suse.de>
1850 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
1851 higher to -O2 and higher. Likewise for tree PRE.
1852 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
1855 2005-01-27 Ian Lance Taylor <ian@airs.com>
1858 * gimple-low.c (try_catch_may_fallthru): New static function.
1859 (block_may_fallthru): Handle TRY_CATCH_EXPR.
1860 * tree-inline.c (expand_call_inline): Don't warn about reaching
1861 the end of a non-void function being inlined if the function uses
1864 2005-01-27 Jakub Jelinek <jakub@redhat.com>
1866 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
1869 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
1870 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
1871 (implicitly_declare): Handle error_mark_node.
1873 2005-01-27 Richard Henderson <rth@redhat.com>
1876 * tree.h (struct tree_decl): Add debug_expr_is_from.
1877 (DECL_DEBUG_EXPR_IS_FROM): New.
1878 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
1879 * dwarf2out.c (dwarf2out_var_location): Update to match.
1880 * tree-outof-ssa.c (create_temp): Likewise.
1881 * var-tracking.c (track_expr_p): Likewise.
1882 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
1883 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
1884 * toplev.c (default_tree_printer): Likewise.
1886 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
1888 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
1889 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
1891 2005-01-27 Steven Bosscher <stevenb@suse.de>
1893 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
1894 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
1895 ASM_CLOBBERS): Add tree checks.
1897 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
1898 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
1899 * c-common.def (SWITCH_STMT): Update to match.
1900 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
1901 macros instead of SWITCH_EXPR ones.
1902 * c-dump.c (c_dump_tree): Likewise.
1903 * c-gimplify.c (gimplify_switch_stmt): Likewise.
1904 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
1906 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
1908 2005-01-27 Alan Modra <amodra@bigpond.net.au>
1910 * unwind-dw2.c (execute_stack_op): Add missing cases for
1911 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
1913 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
1915 * config.gcc (Obsolete configurations): Remove 'dummy', add
1916 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
1919 2005-01-26 Diego Novillo <dnovillo@redhat.com>
1921 PR tree-optimization/19633
1922 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
1924 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
1925 are no call-clobbered variables.
1926 * tree-outof-ssa.c (check_replaceable): Return false for calls
1929 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
1931 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
1932 even for variables with NULL DECL_INITIAL.
1934 2005-01-26 Stuart Hastings <stuart@apple.com>
1936 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
1938 2005-01-26 Richard Henderson <rth@redhat.com>
1941 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
1943 * expr.c (store_field): Strip conversions to odd-bit-sized types
1944 if the destination field width matches.
1946 2005-01-26 Richard Henderson <rth@redhat.com>
1948 * c-decl.c, expmed.c, expr.c: Revert last change.
1950 2005-01-26 Richard Henderson <rth@redhat.com>
1953 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
1955 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
1956 if we don't need the bits above those present in the current mode.
1957 * expr.c (store_field): Strip conversions to odd-bit-sized types
1958 if the destination field width matches.
1960 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
1962 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1963 either -ffast-math or -funsafe-math-optimizations is in use.
1965 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
1969 * config/avr/avr.c (notice_update_cc): Only set condition code for
1970 ashrqi3 if shift count > 0.
1971 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
1972 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
1973 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
1974 count <= 0 as a no-op, and shift count >= width by copying zero
1975 or sign bit to all bits of the result.
1976 * config/avr/avr.md (all shifts): Add alternatives for zero shift
1977 count, with attribute "length" set to 0 and "cc" set to "none".
1979 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
1981 * doc/invoke.texi: Document -mTLS.
1983 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
1984 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
1985 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
1986 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
1987 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
1988 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
1989 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
1990 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
1992 * configure.ac: Check for a TLS capable gas.
1994 * configure: Regenerate.
1996 2005-01-26 Richard Henderson <rth@redhat.com>
1999 * combine.c (make_field_assignment): Simplify store to zero_extract
2000 from a source with an overlapping mask.
2002 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
2004 2004-11-11 Eric Christopher <echristo@redhat.com>
2006 * config/frv/frv.md: Add fr400_integer automaton. Don't
2007 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2010 2005-01-26 Steven Bosscher <stevenb@suse.de>
2013 * cfgbuild.c (make_edges): Do not clear or set
2014 current_function_has_computed_jump.
2015 * function.h (struct function): Remove the has_computed_jump field.
2016 (current_function_has_computed_jump): Do not define.
2017 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2018 in a computed jump. Ignore current_function_has_computed_jump.
2020 2005-01-26 Richard Henderson <rth@redhat.com>
2023 * expr.c (categorize_ctor_elements): New argument p_must_clear.
2024 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
2026 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2027 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
2028 objects into static storage if they have more than one non-zero value.
2029 * tree.h (categorize_ctor_elements): Update decl.
2031 2005-01-26 Steven Bosscher <stevenb@suse.de>
2034 * tree.h (CALL_EXPR_TAILCALL): Add comment.
2035 * calls.c (check_sibcall_argument_overlap_1): Revert the change
2036 to this function from 2004-07-10.
2037 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2038 the current function for tail call optimizations if the address
2039 of one of it its arguments is taken.
2041 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
2043 * cse.c (fold_rtx): Call equiv_constant only when necessary.
2045 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
2047 * function.c (expand_function_end): If current_function_calls_alloca,
2048 emit stack restore in a place that is reached when the function falls
2051 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
2053 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2054 rule to avoid matching inappropriate suffix rule.
2056 2005-01-26 Jan Hubicka <jh@suse.cz>
2058 PR tree-optimization/19241
2059 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2061 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
2063 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2064 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
2066 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2067 <sim*>: Always use crt1.o, regardless of N in simN.
2068 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2069 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2070 (CRT_CALL_STATIC_FUNCTION): Remove.
2071 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2072 use crt1.o, regardless of N in simN.
2073 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2074 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2075 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2076 case isystem setting.
2077 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2079 2005-01-25 Ian Lance Taylor <ian@airs.com>
2081 * gimple-low.c (block_may_fallthru): Correct handling of
2082 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2084 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
2086 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2087 handlers to match indentation; nested under the mtune=* handler.
2088 Similar for mcpu= and march=.
2090 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
2092 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2093 * config/mips/linux64.h (LIB_SPEC): Likewise.
2094 * config/mn10300/linux.h (LIB_SPEC): Likewise.
2095 * config/sh/linux.h (LIB_SPEC): Likewise.
2097 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
2099 * config/frv/frv.c (frv_legitimize_tls_address): New.
2100 (TARGET_HAVE_TLS): Define.
2101 (FRV_SYMBOL_REF_TLS_P): Define.
2102 (frv_override_options): Handle new register classes.
2103 (frv_legitimate_address_p): Reject tls addresses.
2104 (frv_legitimize_address): Handle TLS addresses.
2105 (gen_inlined_tls_plt): New.
2107 (frv_legitimize_tls_address): New.
2108 (unspec_got_name): Add TLS entries.
2109 (got12_operand): Add R_FRV_TLSMOFF12 case.
2110 (frv_emit_move): Fixup TLS addresses.
2111 (frv_emit_movsi): Legitimize TLS addresses.
2113 * config/frv/frv.h (MASK_BIG_TLS): New.
2114 (TARGET_BIG_TLS): New.
2115 (HAVE_AS_TLS): Define.
2116 (TARGET_SWITCHES): Add -mTLS and -mtls options.
2117 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2118 (REG_CLASS_NAMES): Same.
2119 (REG_CLASS_CONTENTS): Same.
2120 (CONSTRAINT_LEN): New.
2121 (REG_CLASS_FROM_CONSTRAINT): New.
2122 (PREDICATE_CODES): Add symbolic_operand.
2124 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2125 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2126 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2127 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2128 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2129 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2130 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2131 GR9_REG, GR14_REG, LRREG.
2132 (type): Add load_or_call attribute.
2133 ("load_or_call"): New reservation.
2134 ("call_gettlsoff"): New.
2135 ("tls_indirect_call"): New.
2136 ("tls_load_gottlsoff12"): New.
2137 ("tlsoff_hilo"): New.
2138 ("tls_tlsdesc_ldd"): New.
2139 ("tls_tlsoff_ld"): New.
2142 * config/frv/frv-protos.h (symbolic_operand): Protoize.
2144 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
2146 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2147 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2148 * config/frv/frv.c (TLS_BIAS): Define.
2149 (frv_output_dwarf_dtprel): New.
2151 2005-01-26 Jakub Jelinek <jakub@redhat.com>
2153 PR rtl-optimization/19579
2154 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2155 both A and B, see if they don't clobber registers the other expr uses.
2157 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
2159 * real.c (do_add): Initialize signalling and canonical members.
2161 * real.c (real_from_integer): Zero out destination.
2163 2005-01-18 Jan Hubicka <jh@suse.cz>
2165 PR tree-optimize/19337
2166 * tree-inline.c (initialize_inlined_parameters): Copy
2167 saved_static_chain_decl only.
2169 2005-01-25 Richard Henderson <rth@redhat.com>
2173 * config/i386/i386.c (x86_inter_unit_moves): Zero.
2174 (ix86_preferred_reload_class): Rewrite fp-constant section, with
2175 80387 enabled, to return a proper subclass. Return the subset that
2176 overlaps with GENERAL_REGS for PLUS.
2177 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2179 2005-01-25 Richard Henderson <rth@redhat.com>
2182 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2184 2005-01-25 Roger Sayle <roger@eyesopen.com>
2186 * expmed.c (choose_multiplier): Change interface to return the
2187 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2188 (expand_divmod): Update calls to choose_multiplier.
2190 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2193 * expmed.c (extract_bit_field): Use adjust_address instead of
2194 gen_lowpart when op0 is a MEM.
2196 2005-01-24 Steven Bosscher <stevenb@suse.de>
2198 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2200 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
2202 * config/mips/irix-csr.c: New file.
2203 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2204 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2205 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2208 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
2211 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2212 sparc/elf.h, add sparc/sp-elf.h.
2213 (sparc-*-rtems*): Likewise.
2214 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2215 tm-dwarf2.h, add sparc/sp-elf.h.
2216 (sparc86x-*-elf): Likewise.
2217 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2218 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2219 TARGET_OS_CPP_BUILTINS.
2220 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2221 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2223 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2224 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2225 (SWITCH_TAKES_ARG): Likewise.
2226 (LOCAL_LABEL_PREFIX): Likewise.
2227 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2228 (TARGET_N_FORMAT_TYPES): Delete.
2229 (TARGET_FORMAT_TYPES): Likewise.
2230 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2231 * config/sparc/elf.h: Delete.
2232 * config/sparc/sp-elf.h: New file.
2234 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
2236 * tree-flow-inline.h (phi_arg_from_edge): Remove.
2237 * tree-flow.h: Remove the corresponding prototype.
2238 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2239 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2241 2005-01-24 Jakub Jelinek <jakub@redhat.com>
2244 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2245 for AIX ABI or ELF -fPIC.
2246 (rs6000_emit_load_toc_table): Don't create toc_section here.
2247 (rs6000_xcoff_file_start): Nor here.
2249 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
2251 * sh.c (ra.h): Don't #include.
2252 (hard_regs_intersect_p): New function, resurrected from ra.c.
2254 * sh.c: Fix 1996 Copyright.
2256 2005-01-24 Richard Henderson <rth@redhat.com>
2257 Aldy Hernandez <aldyh@redhat.com>
2259 * regrename.c (note_sets): Handle subregs.
2261 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
2264 * genconditions.c (write_header, write_conditions): Elide file if
2267 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
2269 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2270 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2273 2005-01-24 Jakub Jelinek <jakub@redhat.com>
2275 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2276 expand_builtin_printf, expand_builtin_fprintf,
2277 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2278 checking against POINTER_TYPE.
2279 (validate_arglist): Handle POINTER_TYPE code by checking
2282 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
2284 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2286 (for_each_rtx): Call for_each_rtx_1.
2287 * rtl.h (init_rtlanal): Declare.
2288 * toplev.c (backend_init): Call init_rtlanal.
2290 2005-01-24 Jakub Jelinek <jakub@redhat.com>
2292 * flow.c (propagate_one_insn): Formatting.
2295 * flow.c (libcall_dead_p): Be more conservative if unsure.
2296 If there are any instructions between insn and call, see if they are
2297 all dead before saying the libcall is dead.
2299 2005-01-24 Uros Bizjak <uros@kss-loka.si>
2301 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2302 operand constraint for operand 0.
2304 2005-01-23 Richard Henderson <rth@redhat.com>
2307 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2308 edges leading to join block.
2310 2005-01-23 Roger Sayle <roger@eyesopen.com>
2312 * expmed.c (expand_mult_highpart): Make static. Change type of
2313 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2314 (expand_divmod): Updates calls to expand_mult_highpart by using
2315 gen_int_mode to pass a CONST_INT rtx.
2316 * rtl.h (expand_mult_highpart): Remove prototype.
2318 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
2320 * flow.c (regset_bytes, regset_size): Remove.
2322 * cfganal.c: Fix a reference to Harvey's paper.
2324 2005-01-23 Steven Bosscher <stevenb@suse.de>
2326 PR rtl-optimization/19464
2327 * tree-optimize.c (init_tree_optimization_passes): Add one more
2328 copyrename pass just before out-of-ssa.
2330 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
2333 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2334 * ggc-none.c (ggc_free): Define.
2336 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
2338 * cse.c (max_reg, max_insn_uid): Remove.
2339 (cse_main): Don't access max_reg or max_insn_uid.
2341 * c-common.c (explicit_flag_signed_bitfields,
2342 lang_statement_code_p, lang_expand_function_end): Remove.
2343 * c-common.h: Remove the corresponding declarations.
2344 * c-opts.c (c_common_handle_option): Remove all write access
2345 to explicit_flag_signed_bitfields.
2347 * cgraph.c (cgraph_varpool_n_nodes): Remove.
2348 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2349 * cgraph.h: Remove the corresponding declaration.
2351 * gcse.c (null_pointer_info): Remove.
2353 2005-01-23 Roger Sayle <roger@eyesopen.com>
2354 Eric Botcazou <ebotcazou@libertysurf.fr>
2356 * combine.c (simplify_logical): Only simplify logical expressions
2357 of the form ior(and(x,y),z) by the inverse distributive law if the
2358 result is cheaper than the original.
2360 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
2362 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2363 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2364 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2365 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2366 config/freebsd-spec.h, config/arm/arm.h,
2367 config/h8300/h8300.md, config/i386/i386.md,
2368 config/i386/predicates.md, config/i386/sse.md,
2369 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2370 config/vax/vax.md: Fix comment typos. Follow spelling
2373 2005-01-23 Steven Bosscher <stevenb@suse.de>
2375 * gengtype.c (walk_type): Produce `not equal to' compares for loop
2376 tests, instead of `less than'.
2378 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
2380 * function.c (assign_parm_setup_block): When creating a new stack slot
2381 for a parameter, get its alignment from the parameter's DECL_ALIGN
2382 rather than the type's TYPE_ALIGN. Make sure that the parameter
2383 is at least word aligned.
2385 2005-01-22 Roger Sayle <roger@eyesopen.com>
2388 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2390 2005-01-22 Richard Henderson <rth@redhat.com>
2393 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2394 in both compare operands.
2395 (movdfcc_1_sse_max): Likewise.
2396 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
2397 (movdfcc_1_sse): Likewise.
2398 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2399 scratch register as needed.
2401 2005-01-22 Richard Henderson <rth@redhat.com>
2403 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2405 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2407 2005-01-22 Richard Henderson <rth@redhat.com>
2409 * genopinit.c (optabs): Use smin/smax for floating point too.
2410 * doc/md.texi: Update to match. Clarify that floating point
2411 results are undefined for +0/-0 and NaN.
2412 * doc/rtl.texi: Likewise.
2413 * rtl.def (SMIN, SMAX): Likewise
2414 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2416 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2417 leading 's' to the name.
2418 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2419 smaxxf3, sminxf3): Likewise.
2420 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2423 2005-01-22 Paul Brook <paul@codesourcery.com>
2425 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2427 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
2429 * config/s390/s390.c (struct processor_costs): New fields
2430 dlgr, dlr, dr, dsgfr, dsgr.
2431 (z900_cost, z990_cost): Values for new fields.
2432 (s390_rtx_costs): New cases MEM und COMPARE in switch
2433 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2434 DIV, MOD, UDIV, UMOD.
2436 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
2438 * config/s390/s390.md ("doloop_si64"): Reload input value directly
2439 into the register being decremented.
2440 ("doloop_si31", "doloop_di"): Likewise.
2441 ("*doloop_si_long"): Adapt pattern.
2443 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
2445 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2447 (CLASS_MAX_NREGS): Likewise.
2449 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
2451 * doc/tree-ssa.texi (Statement Operands): Add example for new
2452 must-def macro. Note deprecation of old operands interface.
2454 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
2456 PR tree-optimization/19484
2457 * tree-cfg.c (remove_fallthru_edge): New function.
2458 (cleanup_control_flow): Remove fallthru edges from calls that are
2459 now known not to return.
2461 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
2463 Fix PR tree-optimization/19038
2464 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2465 copies with loop variant ones.
2467 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
2469 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2470 config/alpha/alpha-protos.h, config/alpha/alpha.h,
2471 config/alpha/alpha.md, config/alpha/predicates.md,
2472 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2473 config/sparc/sol2.h: Update copyright.
2475 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2476 first label to see if it is a nonlocal label.
2478 2005-01-22 David Edelsohn <edelsohn@gnu.org>
2479 Andrew Pinski <pinskia@physics.uc.edu>
2482 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2483 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
2485 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
2487 * config/rs6000/rtems.h: Update copyright.
2489 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
2492 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2493 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2494 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2496 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2499 * c-typeck.c (convert_arguments): Check for error_mark_node.
2501 2005-01-21 Ian Lance Taylor <ian@airs.com>
2503 PR tree-optimization/13000
2504 * tree-inline.c: Include "tree-flow.h".
2505 (expand_call_inline): If warn_return_type, warn if non-void inline
2506 function falls through.
2507 * tree-cfg.c (execute_warn_function_return): Don't warn about
2508 control reaching end if TREE_NO_WARNING is set. Set
2510 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2512 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2513 branch if we don't need one.
2514 * c-typeck.c: Include "tree-flow.h"
2515 (c_finish_bc_stmt): Don't add a goto if the current statement
2516 list doesn't fall through to the current point.
2518 2005-01-21 Roger Sayle <roger@eyesopen.com>
2520 PR rtl-optimization/576
2521 * real.c (real_arithmetic): Change return type from void to bool
2522 to return an indication that the result may be inexact.
2523 * real.h (real_arithmeric): Update prototype.
2524 * fold-const.c (const_binop): Don't constant fold floating
2525 point expressions when the user specifies -frounding-math and
2526 the result may depend upon the run-time rounding mode.
2527 (fold_convert_const_real_from_real): Clean-up.
2528 (fold_initializer): Ignore flag_rounding_math for initializers.
2529 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
2530 constant fold FP operations with flag_rounding_math if the
2531 result may depend upon the run-time rounding mode.
2533 2005-01-21 Tom Tromey <tromey@redhat.com>
2535 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
2537 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
2539 * tree-cfg.c: Fix comment typos.
2541 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
2543 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
2544 around the call to rest_of_handle_branch_target_load_optimize.
2546 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2548 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
2549 (sparc64-*-openbsd*): Likewise.
2550 (sparclite-*-elf*): Include tm-dwarf2.h.
2551 (sparc86x-*-elf*): Likewise.
2552 (sparc64-*-elf*): Likewise.
2553 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
2554 (DBX_DEBUGGING_INFO): Likewise.
2555 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
2556 (PREFERRED_DEBUGGING_TYPE): Likewise.
2557 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2558 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
2559 (PREFERRED_DEBUGGING_TYPE): Likewise.
2560 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
2561 (PREFERRED_DEBUGGING_TYPE): Likewise.
2562 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
2564 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
2567 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
2569 2005-01-20 Paul Brook <paul@codesourcery.com>
2571 * doc/rtl.texi: Document value extension requirements for CONST_INT.
2573 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
2575 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
2576 label is first in a sequence of labels.
2578 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
2580 2005-01-20 Janis Johnson <janis187@us.ibm.com>
2581 Giovanni Bajo <giovannibajo@gcc.gnu.org>
2583 * doc/sourcebuild.texi (Test Directives): New.
2585 2005-01-20 Roger Sayle <roger@eyesopen.com>
2587 * real.c (real_floor): Don't leave the result uninitialized when
2588 mode is VOIDMode, but return the unrounded intermediate value.
2589 (real_ceil): Likewise.
2591 2005-01-20 Paul Brook <paul@codesourcery.com>
2593 * config/arm/arm.md (insv): Use gen_int_mode.
2595 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2597 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
2598 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2599 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2600 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2601 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2603 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
2606 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
2607 fbreg, so we have to assume we can't.
2608 (loc_descriptor_from_tree_1): Ditto.
2609 (containing_function_has_frame_base): New function.
2610 (add_location_or_const_value_attribute): Use it.
2611 Also try to generate a frame_base from a single element location
2614 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
2616 PR tree-optimization/15349
2617 * timevar.def (TV_TREE_MERGE_PHI): New.
2618 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
2620 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
2621 calls to tree_forwarder_block_p.
2622 (remove_forwarder_block_with_phi, merge_phi_nodes,
2623 gate_merge_phi, pass_merge_phi): New.
2624 * tree-optimize.c (init_tree_optimization_passes): Add
2626 * tree-pass.h: Add an extern for pass_merge_phi;
2628 2005-01-20 Richard Henderson <rth@redhat.com>
2631 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
2632 (_mm_castps_pd, _mm_castps_si128): New.
2633 (_mm_castsi128_ps, _mm_castsi128_pd): New.
2635 2005-01-20 Richard Henderson <rth@redhat.com>
2638 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
2639 __builtin_ia32_vec_init_v2si.
2640 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
2641 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
2642 (ix86_init_mmx_sse_builtins): Create it.
2643 (ix86_expand_builtin): Expand it.
2644 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
2645 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
2646 (vec_extractv2si_0, vec_extractv2si_1): New.
2648 2005-01-20 Richard Henderson <rth@redhat.com>
2651 * config/i386/i386.c (ix86_expand_push): New.
2652 * config/i386/mmx.md (push<MMXMODE>1): New.
2653 * config/i386/sse.md (push<SSEMODE>1): New.
2654 * config/i386/i386-protos.h: Update.
2656 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
2658 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
2661 2005-01-20 Richard Henderson <rth@redhat.com>
2663 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
2664 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
2666 2005-01-19 Richard Henderson <rth@redhat.com>
2669 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
2670 to V4SFmode in SSE1 fallback load path.
2672 2005-01-19 Richard Henderson <rth@redhat.com>
2674 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
2675 in QImode expansion to ix86_expand_vector_set.
2676 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
2678 2005-01-19 Richard Henderson <rth@redhat.com>
2681 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
2682 subclass of the input class.
2683 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
2684 Always true for cross-SSE1 classes. Rationalize conditionals.
2685 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
2686 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
2687 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
2688 (movdi_2): Add MMX/SSE zeros.
2689 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
2690 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
2691 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2692 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
2693 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
2694 (zero_extendsidi2_rex64_1): Remove.
2695 (MOV0 peephole): Check GENERAL_REG_P.
2697 2005-01-19 Richard Henderson <rth@redhat.com>
2700 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
2702 (ix86_expand_vector_extract): Likewise.
2704 2005-01-19 Richard Henderson <rth@redhat.com>
2707 * expr.c (emit_move_change_mode): New argument force; use
2708 simplify_gen_subreg if true.
2709 (emit_move_via_alt_mode): Merge into ...
2710 (emit_move_via_integer): ... here.
2711 (emit_move_ccmode): Use emit_move_change_mode directly.
2713 2005-01-19 Richard Henderson <rth@redhat.com>
2716 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
2717 (alpha_preferred_reload_class): Handle CONST_VECTOR.
2718 (alpha_emit_set_const_1): Add no_output parameter; don't emit
2720 (alpha_emit_set_const): Likewise. Make static.
2721 (alpha_emit_set_long_const): Make static.
2722 (alpha_extract_integer): Split out from alpha_expand_mov.
2723 (alpha_split_const_mov): Likewise.
2724 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
2725 (alpha_legitimate_constant_p): New.
2726 * config/alpha/alpha-protos.h: Update.
2727 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
2728 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
2729 * config/alpha/alpha.md (movsi): Add n alternative.
2730 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
2731 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
2732 (splitters for all of the above): Use alpha_split_const_mov.
2733 * config/alpha/predicates.md (non_add_const_operand): New.
2734 (non_zero_const_operand): New.
2735 (input_operand): Use alpha_legitimate_constant_p after reload.
2737 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
2739 PR tree-optimization/19038
2740 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
2741 (add_candidate): Add ivs with increment in latch only if
2742 allow_ip_end_pos_p is true.
2743 (determine_iv_cost): Use empty_block_p.
2745 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
2747 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
2748 (compute_dominance_frontiers): Ditto.
2750 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
2753 * config/sh/t-rtems: New.
2754 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
2756 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
2758 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
2759 the offset of the selected field.
2761 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
2763 * tree-cfg.c (remove_forwarder_block): Fix the check to
2764 prevent a nonlocal label from appearing in the middle of a
2767 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
2769 PR rtl-optimization/19462
2770 * reorg.c (find_end_label): Create return insn only if
2771 current_function_epilogue_delay_list is empty.
2773 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
2775 * doc/passes.texi: Remove paragraph mentioning new-ra.
2777 2005-01-19 Jakub Jelinek <jakub@redhat.com>
2779 PR rtl-optimization/15139
2780 * combine.c: Include params.h.
2781 (count_rtxs): New function.
2782 (record_value_for_reg): If replace_rtx would replace at least
2783 2 occurrences of REG in VALUE and TEM is really large, replace REG with
2784 (clobber (const_int 0)) instead of TEM.
2785 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
2786 * params.h (MAX_LAST_VALUE_RTL): New.
2787 * Makefile.in (combine.o): Depend on $(PARAMS_H).
2788 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
2791 * c-typeck.c (digest_init): Only call build_vector if all constructor
2792 elements are *_CST nodes.
2793 * gimplify.c (gimplify_init_constructor): Likewise.
2796 * c-typeck.c (digest_init): Only call build_vector if inside_init
2799 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2801 * toplev.c (init_asm_output): Remove dead #ifdef.
2803 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
2805 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
2807 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
2809 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
2810 accessing DECL_FUNCTION_CODE.
2811 * dojump.c (do_jump): Likewise.
2812 * gimplify.c (gimplify_call_expr): Likewise.
2813 * predict.c (expr_expected_value): Likewise.
2814 (strip_builtin_expect): Likewise.
2815 * tree-inline.c (estimate_num_insns_1): Likewise.
2816 * tree-ssa-loop-im.c (stmt_cost): Likewise
2817 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
2818 (tree_expr_nonnegative_p): Likewise.
2820 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
2822 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
2823 variant of the load_pcrel_sym pattern.
2824 * config/sparc/sparc.md (P macro): Move to the top.
2825 (load_pcrel_sym): Macroize using P.
2826 (save_register_window): Likewise.
2828 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
2830 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
2833 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2836 * c-typeck.c (build_asm_expr): Strip nops off
2837 input memory operands.
2839 2005-01-18 David Edelsohn <edelsohn@gnu.org>
2841 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
2842 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
2843 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
2844 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
2846 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
2849 * config/i386/i386.c (override_options): If the 80387 is disabled,
2850 then do not return FP values using FP registers.
2852 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
2854 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
2855 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
2856 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
2857 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
2858 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
2859 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
2860 output.h, postreload-gcse.c, postreload.c, recog.c,
2861 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
2862 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
2863 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
2864 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
2865 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
2866 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
2867 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
2868 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
2870 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
2871 config/alpha/alpha.c, config/arm/vfp.md,
2872 config/i386/emmintrin.h, config/i386/i386-modes.def,
2873 config/i386/i386-protos.h, config/i386/i386.h,
2874 config/i386/pmmintrin.h, config/i386/ppro.md,
2875 config/i386/predicates.md, config/i386/xmmintrin.h,
2876 config/i860/i860.c, config/ia64/ia64-modes.def,
2877 config/ia64/ia64-protos.h, config/ia64/ia64.h,
2878 config/ia64/ia64.md, config/ia64/itanium1.md,
2879 config/ia64/itanium2.md, config/ia64/predicates.md,
2880 config/iq2000/iq2000.h, config/mips/linux64.h,
2881 config/rs6000/aix41.h, config/rs6000/aix43.h,
2882 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
2883 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2884 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
2885 config/sparc/linux64.h, config/sparc/litecoff.h,
2886 config/sparc/sp64-elf.h, config/sparc/sparc.c,
2887 config/sparc/sparc.h, config/sparc/sparc.md,
2888 config/sparc/sysv4-only.h: Update copyright.
2890 2005-01-18 Richard Henderson <rth@redhat.com>
2893 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
2895 2005-01-18 Marc Espie <espie@openbsd.org>
2896 * config/i386/openbsdelf.h: Typo.
2898 2005-01-18 Richard Henderson <rth@redhat.com>
2900 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
2901 special case for sse.
2902 * config/i386/predicates.md (sse_comparison_operator): Likewise.
2904 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
2906 * tree-inline.c (estimate_num_insns_1): Added cases for
2907 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
2909 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
2911 PR rtl-optimization/19296
2912 * combine.c (simplify_comparison): Rewrite the condition under
2913 which a non-paradoxical SUBREG of a PLUS can be lifted when
2914 compared against a constant.
2916 2005-01-18 Andi Kleen <ak@muc.de>
2918 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
2919 * c.opt (-Wpointer-sign): Add.
2920 * doc/invoke.texi: (-Wpointer-sign): Add.
2922 2005-01-18 Uros Bizjak <uros@kss-loka.si>
2924 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
2925 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
2926 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
2927 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
2928 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
2929 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
2930 for TARGET_MIX_SSE_I387.
2931 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
2932 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
2933 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
2934 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
2935 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
2936 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
2937 TARGET_MIX_SSE_I387.
2938 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
2941 2005-01-18 Uros Bizjak <uros@kss-loka.si>
2944 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
2945 Add movaps alternative for xmm reg->reg move.
2947 2005-01-17 Jeff Law <law@redhat.com>
2949 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
2950 at the end of the main DOM loop rather than just before DOM exits.
2952 2005-01-17 Diego Novillo <dnovillo@redhat.com>
2954 PR tree-optimization/19121
2955 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
2956 adding aliases to a name tag, also add them to the pointer's
2958 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
2959 sensitive alias info at all. Only check that the two pointers
2960 have compatible pointed-to sets.
2961 * tree-ssa.c (verify_name_tags): Verify that the alias set of
2962 a pointer's type tag is a superset of the alias set of the
2965 2005-01-17 James E Wilson <wilson@specifixinc.com>
2968 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
2969 comment to document why.
2971 2005-01-17 Richard Henderson <rth@redhat.com>
2973 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
2974 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
2975 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
2976 sse2_vmsminv2df3_finite): New.
2977 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
2978 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
2979 Force op1 into register.
2981 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
2983 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
2984 bubblestrap from always rebuilding build directory.
2986 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
2988 * config/s390/s390.md ("*clc"): Remove incorrect '='.
2989 ("*cmpmem_short"): Likewise.
2991 2005-01-17 Steven Bosscher <stevenb@suse.de>
2993 * basic-block.h: Document BB_* flags.
2994 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
2995 use an sbitmap instead.
2996 * sched-rgn.c (compute_trg_info): Likewise.
2998 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
3000 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
3001 redundant target_cpu_default and extra_parts lines. Use the default
3003 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3004 (SUBTARGET_EXTRA_SPECS): Delete.
3005 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
3006 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3007 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3008 and "n32" for -mabi=n32.
3010 2005-01-17 Ian Lance Taylor <ian@airs.com>
3013 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3014 fold constant variables into initial values.
3016 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
3018 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3020 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3021 through the statements backward.
3023 2005-01-17 Ian Lance Taylor <ian@airs.com>
3025 PR middle-end/13127:
3026 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3027 a variable set to the return value of the inlined function.
3029 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
3031 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3032 when modes are tieable.
3034 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
3036 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3037 of pthread_create to find out if threads are enabled.
3038 * gthr-posix95.h (__gthread_active_p): Likewise.
3040 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
3042 * common.opt (-fnew-ra): Remove.
3044 * toplev.h (flag_new_regalloc): Remove.
3045 * Makefile.in (ra*.*): Don't mention.
3046 * passes.c (rest_of_handle_new_regalloc): Remove.
3047 (rest_of_handle_combine, rest_of_compilation): Always consider
3048 flag_new_regalloc as false.
3049 * doc/invoke.texi: Don't document -fnew-ra.
3051 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
3053 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3054 last parameter to reg_scan.
3055 * loop.c (loop_optimize): Likewise.
3056 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3057 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3058 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3059 rest_of_handle_gcse, rest_of_handle_loop_optimize,
3060 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3061 * regclass.c (reg_scan): Likewise, for the declaration.
3062 * rtl.h (reg_scan): Likewise, for the prototype.
3064 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
3066 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3067 mark_dfs_back_edges.
3069 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
3071 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3072 (compute_avail): Uses don't go in tmp_gen.
3074 2005-01-16 Steven Bosscher <stevenb@suse.de>
3076 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3077 loop to look for a free slot in a page entry.
3079 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3082 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3083 * toplev.c (compile_file): Call process_pending_assemble_output_defs
3084 just before targetm.asm_out.file_end.
3085 * tree.h (process_pending_assemble_output_defs): Declare.
3086 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3088 (assemble_alias): Defer generation of assembly code for defines when
3089 TARGET_DEFERRED_OUTPUT_DEFS is true.
3090 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3091 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3092 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3094 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3097 * pa.c (pa_scalar_mode_supported_p): New function.
3098 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3099 * pa.h (MIN_UNITS_PER_WORD): Add comment.
3101 * pa-protos.h (prefetch_operand): Delete.
3102 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3103 * pa.c (prefetch_operand): Delete.
3104 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3105 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3106 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
3107 and prefetch_nocc_operand.
3108 * pa.md (prefetch): Rework to avoid reload problems handling short
3109 displacements when a cache control completer needs to be provided.
3110 (prefetch_32, prefetch_64): Delete.
3111 (prefetch_cc, prefetch_nocc): New patterns.
3113 2005-01-15 David Edelsohn <edelsohn@gnu.org>
3115 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3117 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3120 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3121 exceeds maximum alignment for global common data.
3122 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3123 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3125 2004-01-15 Roger Sayle <roger@eyesopen.com>
3127 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3129 2004-01-15 Roger Sayle <roger@eyesopen.com>
3131 * harg-reg-set.h (reg_class_names): Prototype global array.
3132 * regclass.c (reg_class_names): Declare here and initialize to
3134 (dump_regclass): Remove local declaration of reg_class_names.
3135 (regclass): Likewise.
3136 * cfg.c (dump_flow_info): Likewise.
3137 * ra-debug.c (reg_class_names): Likewise.
3138 * regrename.c (reg_class_names): Likewise.
3139 * reload.c (reg_class_names): Likewise.
3140 * reload1.c (spill_failure): Likewise.
3141 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3143 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
3145 * config/s390/s390.md ("reload_outti"): Remove predicate for
3146 output operand. Abort if operand is not a MEM.
3147 ("reload_outdi", "reload_outdf"): Likewise.
3149 2005-01-15 Marc Espie <espie@openbsd.org>
3151 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3152 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3153 * config/openbsd.h: Fix C++ includes for native configurations.
3154 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
3155 Add trampoline support.
3156 * config/i386/openbsdelf.h: New.
3158 2005-01-15 Marc Espie <espie@openbsd.org>
3160 * collect2.c (main): Explicitly parse -dynamic-linker option.
3162 2005-01-15 Jakub Jelinek <jakub@redhat.com>
3164 PR tree-optimization/19060
3165 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3166 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3167 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3168 and handle extract_range_from_cond returning false.
3169 * fold-const.c (fold): Optimize comparisons with min/max even for
3170 width > HOST_BITS_PER_WIDE_INT.
3172 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
3174 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3175 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3176 Remove little endian multilib variants.
3177 Add mips32 multilib variant.
3179 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
3181 * explow.c (copy_all_reg, stabilize): Remove.
3182 * expr.h: Remove the corresponding prototypes.
3184 * rtlanal.c (regs_set_between_p): Remove.
3185 * rtl.h: Remove the corresponding prototype.
3187 2005-01-14 David Edelsohn <edelsohn@gnu.org>
3189 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3190 to rs6000_nonimmediate_operand.
3191 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3192 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3193 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3194 rs6000_nonimmediate_operand.
3195 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3196 rs6000_nonimmediate_operand.
3198 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
3200 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3202 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
3204 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3206 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3207 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3209 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3210 (rs6k_nonimmediate_operand): New.
3211 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3213 (legitimate_lo_sum_address_p): Same.
3214 (rs6000_legitimize_address): Same.
3215 (rs6000_legitimize_reload_address): Same.
3216 (rs6000_legitimate_address): Same.
3217 (spe_build_register_parallel): Pass DF and DC modes in a DI
3220 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3221 to rs6k_nonimmediate_operand.
3223 * config/rs6000/spe.md ("*frob_df_di"): New.
3224 ("*frob_di_df"): New.
3225 ("*frob_di_df_2"): New.
3226 ("*mov_sidf_e500_subreg0"): New.
3227 ("*mov_sidf_e500_subreg4"): New.
3228 ("*movdf_e500_double"): Change predicate to
3229 rs6k_nonimmediate_operand.
3231 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
3233 * postreload.c (move2add_note_store): Only call
3234 trunc_int_for_mode on scalar integers.
3236 2005-01-14 Steven Bosscher <stevenb@suse.de>
3238 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3239 replace BB_VISITED uses.
3240 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3241 (propagate_necessity): Check the bitmap instead of BB_VISITED.
3242 (tree_dce_done): Free visited_control_parents.
3243 (perform_tree_ssa_dce): Allocate and clear it.
3244 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3245 (compute_antic): Iterate from here using a DFS. Use an sbitmap
3246 instead of BB_VISITED.
3248 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
3250 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3251 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3252 Remove unused prototypes.
3254 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
3256 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3257 64-bit register usage.
3258 (spe_func_has_64bit_regs_p): Add FIXME note.
3260 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
3262 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3263 flag_finite_math_only with flag_unsafe_math_optimizations.
3265 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
3267 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3269 (__tpf_eh_return): Copy TPF private stack area from the module
3270 boundary stack frame. Add check for when module addresses are
3271 equal, but no stub address is found.
3273 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
3276 * arm.h (struct machine_function): Add call_via field.
3277 (thumb_call_via_label): Declare.
3278 * arm.c (thumb_call_via_label): New variable.
3279 (thumb_call_reg_needed): New variable.
3280 (arm_output_function_epilogue): For Thumb code, output any per-function
3281 call-indirect trampolines.
3282 (thumb_call_via_reg): New function.
3283 (arm_file_end): New function.
3284 (TARGET_ASM_FILE_END): Call arm_file_end.
3285 (aof_file_end): Likewise.
3286 * arm-protos.h (thumb_call_via_reg): Declare.
3287 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3288 thumb_call_via_reg in normal case.
3290 2005-01-14 Jakub Jelinek <jakub@redhat.com>
3293 PR rtl-optimization/19348
3294 * recog.c (peephole2_optimize): Do global life update if some peephole
3295 decides it doesn't need at least one of its inputs and that change
3296 influences liveness at the start of the basic block.
3298 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3299 arguments instead of 1.
3301 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
3304 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3305 zero for nested functions needing a static chain or functions
3306 with a non-constant address.
3308 2005-01-13 Roger Sayle <roger@eyesopen.com>
3310 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3311 (and (sign_extend X) C) into (zero_extend (and X C)).
3313 2005-01-13 David O'Brien <obrien@FreeBSD.org>
3315 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
3317 2005-01-13 Richard Henderson <rth@redhat.com>
3322 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3323 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3324 not just TARGET_SSE.
3325 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
3326 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3327 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3328 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3329 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3330 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3331 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3332 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3333 (movdicc_c_rex64): Rename with '*'.
3334 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3335 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3336 (movsfcc_1_387): Rename from movsfcc_1.
3337 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3338 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3339 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3340 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3341 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3342 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3343 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3344 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3345 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3346 sse_movdfcc_const0_4): Remove.
3347 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3348 recognize min/max early. Update for changed sse cmove patterns.
3349 (ix86_split_sse_movcc): New.
3350 * config/i386/i386-protos.h: Update.
3352 2005-01-13 Steven Bosscher <stevenb@suse.de>
3354 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3355 (fix_stmt_v_may_defs): Likewise.
3357 2005-01-13 Richard Henderson <rth@redhat.com>
3359 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3360 for converting the mask.
3362 2005-01-13 David Edelsohn <edelsohn@gnu.org>
3364 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3367 2005-01-13 Richard Henderson <rth@redhat.com>
3369 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3370 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3371 IX86_BUILTIN_MOVDQ2Q): Remove.
3372 (IX86_BUILTIN_VEC_EXT_V4SI): New.
3373 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3374 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
3376 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3377 (sse2_pextrw): Fix immediate constraint.
3378 (sse2_loadq, sse2_loadq_rex64): Remove.
3379 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3380 Use __builtin_ia32_vec_ext_<size>.
3381 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3383 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
3385 * function.c (assign_parm_setup_block): Look inside original
3386 entry_parm when inspecting PARALLEL.
3388 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
3389 Joel Sherrill <joel@oarcorp.com>
3392 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3393 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3394 rtems_gxx_recursive_mutex_init.
3395 (__gthread_recursive_mutex_lock): New function.
3396 (__gthread_recursive_mutex_trylock): Likewise.
3397 (__gthread_recursive_mutex_unlock): Likewise.
3399 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
3401 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3403 2005-01-13 Jan Beulich <jbeulich@novell.com>
3405 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3406 (ashrti3_internal): Indicate output is early clobber. Generate result
3407 into output rather than first input. Use move for low word of output
3408 if shift count is exactly 64.
3409 (lshrti3_internal): Likewise.
3411 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
3415 * reload1.c (delete_output_reload): Don't delete an output reload
3416 if the pseudo lives longer than a single basic block. Adjust and
3417 improve wording of comment.
3419 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
3422 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
3423 of TYPE_SIZE where we mean the number of bytes.
3425 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
3427 * function.c (assign_parm_setup_block): Relax condition on
3428 multi-register optimization.
3430 2005-01-12 Nick Clifton <nickc@redhat.com>
3432 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
3433 an "in_delay_slot" attribute of "no" to prevent them being used in
3434 delay slots. This is forbidden because they might generate
3437 2005-01-12 Alan Modra <amodra@bigpond.net.au>
3440 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
3443 2005-01-12 Nick Clifton <nickc@redhat.com>
3445 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
3446 passed on to GAS) but do not define, as GAS no longer supports or
3447 needs the -m2000 option.
3449 2005-01-11 Roger Sayle <roger@eyesopen.com>
3451 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
3452 type as args of unprototyped builtins aren't automatically promoted.
3453 (fold_builtin_abs): Likewise.
3455 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3457 * Makefile.in: Set a `build-warn' variable.
3459 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3461 PR tree-optimization/17949
3462 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
3463 (find_interesting_uses_address): Use it.
3465 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
3467 * regrename.c (kill_value): Handle subreg's that won't simplify.
3469 2005-01-11 Richard Henderson <rth@redhat.com>
3472 * config/i386/i386.h (enum ix86_builtins): Move ...
3473 * config/i386/i386.c: ... here.
3474 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
3475 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
3476 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
3477 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
3478 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
3479 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
3480 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
3481 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
3482 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
3483 IX86_BUILTIN_LOADDDUP): Remove.
3484 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
3485 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
3486 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
3487 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
3488 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
3489 (ix86_init_builtins): Make static.
3490 (ix86_init_mmx_sse_builtins): Update for changed builtins.
3491 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
3492 if all the modes match. Otherwise, fake it.
3493 (get_element_number, ix86_expand_vec_init_builtin,
3494 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
3495 (ix86_expand_builtin): Make static. Update for changed builtins.
3496 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
3497 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
3498 (ix86_expand_vector_init_duplicate): New.
3499 (ix86_expand_vector_init_low_nonzero): New.
3500 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
3501 Split out from ix86_expand_vector_init; handle integer modes.
3502 (ix86_expand_vector_init): Use them.
3503 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
3504 * config/i386/i386-protos.h: Update.
3505 * config/i386/predicates.md (reg_or_0_operand): New.
3506 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
3507 (movv2sf_internal): Likewise. And a splitter to match them all.
3508 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
3509 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
3510 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
3511 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
3512 (mmx_pinsrw): Fix operand ordering.
3513 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
3514 rather than sse_loadss expander.
3515 (movv2df splitter): Similarly.
3516 (sse_loadss, sse_loadlss): Remove.
3517 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
3518 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
3519 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
3520 (sse3_movddup): Rename with '*'.
3521 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
3522 (sse2_loadsd): Remove.
3523 (vec_dupv2df_sse3): Rename from sse3_loadddup.
3524 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
3525 (sse2_pinsrw): Fix argument ordering.
3526 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
3527 (sse2_stored): Remove 'r' destination.
3528 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
3529 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
3530 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
3531 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
3532 vec_extractv16qi, vec_initv16qi): New.
3534 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
3535 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
3536 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
3538 (_mm_load_pd, _mm_store_pd): Use plain dereference.
3539 (_mm_load_si128, _mm_store_si128): Likewise.
3540 (_mm_load1_pd): Use _mm_set1_pd.
3541 (_mm_load_sd): Use _mm_set_sd.
3542 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
3543 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
3544 (_mm_set_epi64): Use _mm_set_epi64x.
3545 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
3546 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
3547 _mm_setr_epi8): Use _mm_set_foo form.
3548 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
3549 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
3550 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
3551 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
3552 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
3553 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
3554 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
3555 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
3556 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
3557 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
3558 (_mm_movedup_pd): Use _mm_shuffle_pd.
3559 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
3560 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
3561 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
3562 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
3564 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
3565 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
3566 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
3567 (_mm_store_ps): Use raw dereference.
3568 (_mm_store1_ps): Use _mm_storeu_ps.
3569 (_mm_storer_ps): Use _mm_store_ps.
3570 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
3571 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
3573 2005-01-11 Stan Shebs <shebs@apple.com>
3575 * config/rs6000/rs6000.c (machopic_output_stub): Issue
3576 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
3578 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3581 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
3582 Skip all DECLs except for FIELD_DECLs.
3584 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
3586 * config/s390/s390.c (override_options): Return error if
3587 -mbackchain, -mpacked-stack and -mhard-float are used together.
3588 (s390_va_start): Remove the backchain && packed-stack special case.
3589 (s390_gimplify_va_arg): Likewise.
3590 * doc/invoke.texi: Remove the ABI incompatibility note.
3592 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
3594 * config/s390/s390.c (struct s390_frame_layout): Remove
3596 (s390_frame_info, s390_emit_prologue): Replace occurrences of
3597 save_backchain_p with TARGET_BACKCHAIN.
3599 2005-01-11 Alan Modra <amodra@bigpond.net.au>
3602 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
3603 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
3604 * function.c (locate_and_pad_parm): Set new field.
3605 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
3606 Tweak where_pad test to include "none". Always set mem align for
3608 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
3609 not sufficient for type.
3610 (assign_parm_setup_block): If stack_parm is zero on entry, always
3611 make a new stack local. Block move old stack parm if necessary
3612 to new aligned stack local.
3613 (assign_parm_setup_stack): Use a block move to handle
3614 potentially misaligned entry_parm.
3615 (assign_parms_unsplit_complex): Specify required alignment when
3616 creating stack local.
3617 * calls.c (compute_argument_addresses): Override alignment of stack
3618 arg calculated from its type with the alignment given by
3619 FUNCTION_ARG_BOUNDARY.
3620 (store_one_arg): Likewise.
3622 2005-01-11 Jan Beulich <jbeulich@novell.com>
3624 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
3625 Change respective itanium_class attribute to ialu.
3626 (shladdp4_internal): New.
3627 * config/ia64/predicates.md (shladd_log2_operand): New.
3629 2005-01-11 Richard Henderson <rth@redhat.com>
3631 * expr.c (store_constructor): Use rtvec_alloc instead of
3632 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
3634 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
3636 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
3638 2005-01-11 Alan Modra <amodra@bigpond.net.au>
3640 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
3641 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
3642 (TARGET_RWRELOC): Define.
3643 (ia64_rwreloc_section_type_flags): Delete.
3644 (ia64_section_type_flags): New function.
3645 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
3646 (TARGET_RWRELOC): Define.
3648 2005-01-10 David Mosberger <davidm@hpl.hp.com>
3651 * config/ia64/ia64.c (process_set): For alloc insn, only call
3652 process_epilogue is !frame_pointer_needed.
3654 2005-01-10 Roger Sayle <roger@eyesopen.com>
3657 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
3658 unary operator and can't be treated as a binary/comparison operator.
3660 2005-01-10 Richard Henderson <rth@redhat.com>
3662 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
3663 (ix86_return_in_memory): Likewise.
3664 (function_arg_advance): Likewise. Mirror structure in function_arg
3665 for choosing register to advance.
3667 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
3669 * tree-vectorizer.c, tree.def: Fix comment typos.
3671 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
3673 * config/s390/s390.c (struct processor_costs): 4 new fields:
3674 ddbr, ddr, debr, der.
3675 (s390_rtx_costs): More precise handling of divide instructions.
3677 2005-01-10 David Edelsohn <edelsohn@gnu.org>
3679 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
3681 2005-01-10 Jan Beulich <jbeulich@novell.com>
3683 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
3684 names resulting from -ffunction-sections/-fdata-sections and linkonce
3686 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
3687 based on the section name. Rearrange the section name comparison logic
3688 slightly so that each section name is compared against at most once.
3690 2005-01-10 Ben Elliston <bje@au.ibm.com>
3692 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
3693 targets for which -fPIC reduces limitations on the GOT size.
3695 2005-01-09 Falk Hueffner <falk@debian.org>
3697 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
3700 2005-01-09 David Edelsohn <edelsohn@gnu.org>
3703 * collect2.c (main): Set aixrtl_flag for -brtl option.
3704 (resolve_lib_name): Search for .so file extension before .a
3707 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
3709 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
3710 (vect_analyze_data_refs_alignment): Add dump prints.
3712 2005-01-09 Ira Rosen <irar@il.ibm.com>
3714 * tree-vectorizer.c (vect_analyze_offset_expr): Use
3715 expr_invariant_in_loop_p.
3716 Initialize outputs first thing in the function.
3717 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
3718 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
3719 (vect_analyze_pointer_ref_access): Check that the initial condition of
3720 the access function is loop invariant.
3722 2005-01-09 Richard Henderson <rth@redhat.com>
3724 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
3725 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
3726 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
3727 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
3728 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
3729 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
3730 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
3731 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
3732 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
3733 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
3734 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
3735 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
3736 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
3737 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
3738 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
3739 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
3740 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
3741 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
3742 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
3743 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
3744 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
3745 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
3746 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
3748 (mmx_clrdi, pavgusb): Remove.
3749 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
3750 with leading sse_ prefix.
3751 * config/i386/sse.md: Receive them.
3752 * config/i386/mmx.md: New file.
3753 (MMXMODE12, MMXMODE24, mmxvecsize): New.
3754 (subrv2sf3): Turn into expander for normal subtraction.
3755 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
3756 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
3757 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
3758 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
3759 commutative; use ix86_binary_operator_ok.
3760 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
3761 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
3762 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
3763 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
3764 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
3765 Macroize from existing patterns; use ix86_binary_operator_ok.
3766 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
3767 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
3768 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
3769 with vec_select+vec_concat.
3770 (mmx_pshufw, mmx_pshufw_1): Likewise.
3771 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
3772 (mmx_uavgv4hi3): Model correctly.
3773 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
3774 _mm_xor_si64): Remove casts.
3776 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
3778 PR tree-optimization/19224
3779 * tree-scalar-evolution.c (get_instantiated_value,
3780 set_instantiated_value): New functions.
3781 (instantiate_parameters_1): Cache the results.
3782 (instantiate_parameters, resolve_mixers): Initialize and free
3785 2005-01-08 David Edelsohn <edelsohn@gnu.org>
3787 * config/i386/i386.md (addhi_4): Correct reference in comment.
3790 2005-01-08 Richard Henderson <rth@redhat.com>
3792 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
3793 (_mm_cvtsi128_si64x): Likewise.
3794 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
3795 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
3796 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
3797 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
3798 * config/i386/i386-protos.h: Update.
3799 * config/i386/i386.c (print_operand): Add 'H'.
3800 (ix86_fixup_binary_operands): Split out from ...
3801 (ix86_expand_binary_operator): ... here.
3802 (ix86_fixup_binary_operands_no_copy): New.
3803 (ix86_expand_fp_absneg_operator): Handle vector mode results.
3804 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
3805 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
3806 (safe_vector_operand): Use CONST0_RTX.
3807 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
3808 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
3809 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
3810 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
3812 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
3813 (IX86_BUILTIN_CMPNGESS): New.
3814 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
3815 (attr type): Add sselog1.
3816 (attr unit, attr memory): Handle it.
3817 (movti, movti_internal, movti_rex64): Move near other integer moves.
3818 (movtf, movtf_internal): Move near other fp moves.
3819 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
3820 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
3821 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
3822 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
3823 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
3824 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
3825 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
3826 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
3827 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
3828 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
3829 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
3830 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
3831 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
3832 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
3833 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
3834 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
3835 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
3836 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
3837 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
3838 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
3839 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
3840 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
3841 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
3842 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
3843 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
3844 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
3845 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
3846 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
3847 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
3848 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
3849 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
3850 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
3851 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
3852 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
3853 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
3854 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
3855 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
3856 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
3857 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
3858 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
3859 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
3860 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
3861 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
3862 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
3864 (SSEPUSH, push<SSEPUSH>): Remove.
3865 (MMXPUSH, push<MMXPUSH>): Remove.
3866 (sse_movaps, sse_movaps_1, sse_movups): Remove.
3867 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
3868 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
3869 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
3870 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
3871 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
3872 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
3873 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
3874 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
3875 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
3876 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
3877 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
3878 (ppro_sse_log_V4SF): Handle sselog1.
3879 * config/i386/predicates.md (const_0_to_1_operand): New.
3880 (const_0_to_255_mul_8_operand): New.
3881 (const_1_to_31_operand): Rename from const_int_1_31_operand.
3882 (const_2_to_3_operand, const_4_to_7_operand): New.
3883 * config/i386/sse.md: New file.
3884 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
3885 (sse_movups): Rename from sse_movups_1.
3886 (sse_loadlss): Rename from sse_loadss_1.
3887 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
3889 (negv4sf2): Use ix86_expand_fp_absneg_operator.
3890 (absv4sf2, negv2df, absv2df): New.
3891 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
3892 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
3893 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
3894 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
3895 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
3896 (sse3_addsubv4sf3): Model correctly.
3897 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
3898 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
3899 (sse_movhlps): Model with vec_select+vec_concat.
3900 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
3901 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
3902 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
3903 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
3904 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
3905 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
3906 sse2_pshufhw_1): Likewise.
3907 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
3908 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
3909 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
3910 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
3911 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
3912 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
3913 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
3914 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
3915 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
3916 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
3917 sminv8hi3): Mark commutative
3918 operands. Use ix86_binary_operator_ok.
3919 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
3920 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
3921 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
3922 sse2_punpcklqdq): Allow operand2 in memory.
3923 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
3924 sse2_movsd): Add memory alternatives.
3925 (sse_storelps): Turn expander into an insn; split after reload.
3926 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
3927 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
3929 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3931 * configure.ac (DWARF-2 debug_line): Use objdump.
3932 * configure: Regenerate.
3934 2005-01-08 Jeff Law <law@redhat.com>
3935 Diego Novillo <dnovillo@redhat.com>
3937 PR tree-optimization/18241
3938 * tree-nrv.c (tree_nrv): Ignore volatile return values.
3939 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
3940 statements with volatile operands.
3941 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
3942 operands after marking a statement with has_volatile_ops.
3944 2005-01-08 Roger Sayle <roger@eyesopen.com>
3946 * tree.c (int_fits_type_p): Always honor integer constant
3947 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
3949 2005-01-08 Roger Sayle <roger@eyesopen.com>
3951 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
3952 the latent bug in rtl_delete_block has been resolved.
3954 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
3956 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
3957 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
3959 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
3961 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
3962 library as @multilib_dir@/$(SHLIB_SONAME).
3964 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3966 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
3967 * configure: Regenerate.
3969 2005-01-07 Jakub Jelinek <jakub@redhat.com>
3971 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
3974 2005-01-07 David Edelsohn <edelsohn@gnu.org>
3977 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3978 Convert non-word aligned offset address using ld/std into
3981 2005-01-07 Richard Henderson <rth@redhat.com>
3983 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
3985 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
3987 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
3989 2005-01-07 Jakub Jelinek <jakub@redhat.com>
3991 PR tree-optimization/19283
3992 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
3993 is not shorter than the original type.
3995 PR rtl-optimization/19012
3996 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
3998 PR rtl-optimization/18861
3999 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4000 (FULL_STATE): Define.
4001 (mark_tablejump_edge): New function.
4002 (purge_dead_tablejump_edges): New function.
4003 (find_bb_boundaries): Use it.
4005 PR tree-optimization/18828
4006 * builtins.c (expand_builtin_next_arg): Remove argument and all
4007 the argument checking.
4008 (expand_builtin): Adjust caller.
4009 (expand_builtin_va_start): Likewise. Remove error for too many
4011 (fold_builtin_next_arg): Issue error for too many arguments.
4012 After checking arguments, replace them with magic arguments that
4013 prevent further checking of the args.
4015 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4017 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4019 2005-01-06 Roger Sayle <roger@eyesopen.com>
4022 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4023 and %{.S:...} (and their negative variants) to test whether the
4024 input file is assembler or pre-processed-assembler independent of
4025 the actual filename extension.
4027 2005-01-06 Roger Sayle <roger@eyesopen.com>
4029 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4030 of sign or zero extended values.
4032 2005-01-06 Geoffrey Keating <geoffk@apple.com>
4034 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4035 for IBM long double format correctly.
4037 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
4039 Fix PR tree-optimization/18792
4041 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4042 to first_loop_depth, and use loop depth instead of loop number.
4043 (build_classic_dir_vector): Ditto.
4044 (compute_data_dependences_for_loop): Use depth, not loop number.
4045 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4046 number. Pass in loops, instead of loop numbers.
4047 (gather_interchange_stats): Ditto.
4048 (linear_transform_loops): Ditto.
4050 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
4053 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4054 biv_fits_mode_p, extension_within_bounds_p): New functions.
4055 (check_ext_dependent_givs): Use them.
4057 2005-01-06 Roger Sayle <roger@eyesopen.com>
4059 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4060 more than one barrier, in which case we should delete them all.
4062 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
4064 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4066 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
4068 Fix PR middle-end/19286
4070 * dwarf2out.c (gen_subprogram_die): If we've already tried to
4071 output this subprogram, simply ignore this attempt to do it again.
4072 (add_abstract_origin_attribute): Don't abort trying to add the abstract
4073 origin attribute if it's not possible.
4074 (gen_block_die): Don't ignore subblocks of "unused" blocks.
4075 (decls_for_scope): Ditto.
4076 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4077 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4079 2005-01-05 Richard Henderson <rth@redhat.com>
4082 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4083 (bdesc_2arg): Use it.
4084 (ix86_expand_binop_builtin): Force operands into registers
4086 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4087 ix86_expand_sse_compare, ix86_expand_sse_comi,
4088 ix86_expand_builtin): Likewise.
4090 2005-01-05 Richard Henderson <rth@redhat.com>
4092 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4094 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4095 (mulv4hi3): Set itanium_class mmmul.
4096 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4097 (fpack): Rename from fpack_sfsf.
4099 2005-01-05 Richard Henderson <rth@redhat.com>
4102 * reload1.c (do_input_reload): Restrict the optimization deleteing
4103 a previous output reload to RELOAD_FOR_INPUT.
4105 2005-01-05 Steven Bosscher <stevenb@suse.de>
4107 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
4108 comment that we fall through after case.
4109 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4110 (distribute_links): Likewise.
4111 * cse.c (cse_insn): Likewise.
4112 * cselib.c (cselib_invalidate_mem): Likewise.
4113 * df.c: Update comments at the top of the file.
4114 (read_modify_subreg_p): Update comments here too.
4115 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4116 * flow.c (mark_set_1): Likewise.
4117 (mark_used_regs): Likewise.
4118 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4119 (canon_list_insert): Likewise.
4120 (mark_set): Likewise.
4121 (try_replace_reg): Likewise.
4122 (store_killed_in_insn): Likewise.
4123 * loop.c (count_one_set): Likewise.
4124 (basic_induction_var): Likewise.
4125 * postreload-gcse.c (find_mem_conflicts): Likewise.
4126 * postreload.c (reload_combine_note_store): Likewise.
4127 (move2add_note_store): Likewise.
4128 * reload.c (find_equiv_reg): Likewise.
4129 (mark_referenced_resources): Likewise.
4130 * rtlanal.c (set_noop_p): Likewise.
4131 (note_stores): Likewise.
4132 (note_uses): Likewise.
4133 * sched-deps.c (sched_analyze_1): Likewise.
4134 * sched-rgn.c (check_live_1): Likewise.
4135 (update_live_1): Likewise.
4136 * config/i860/i860.c: Likewise.
4138 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4140 (ZERO_EXTRACT): Mention that this one can be an lvalue.
4142 * doc/rtl.texi: Update documentation for bit-fields and SET.
4144 2005-01-05 Roger Sayle <roger@eyesopen.com>
4146 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4148 2005-01-05 Jan Hubicka <jh@suse.cz>
4149 Richard Henderson <rth@redhat.com>
4152 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4155 2005-01-05 Richard Henderson <rth@redhat.com>
4158 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4159 (sse_shufps): Change operand 3 to const_int_operand.
4160 (sse2_storelps): Fix typo in template.
4161 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4162 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4163 (ix86_expand_builtin): Likewise.
4165 2005-01-05 Julian Brown <julian@codesourcery.com>
4167 * config/arm/arm.c (arm_return_in_memory): Treat complex types
4168 as aggregates for AAPCS ABIs.
4170 2005-01-05 Stan Shebs <shebs@apple.com>
4172 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4173 Mach-O getters if ppc64.
4174 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4176 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4177 signed four-byte field for global code case.
4178 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4180 2005-01-05 Roger Sayle <roger@eyesopen.com>
4183 * c-common.c: Include real.h.
4184 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4185 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4186 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4187 * Makefile.in (c-common.o): Update dependencies.
4189 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
4191 * c-parse.in (asm_string): Add trailing semicolon.
4193 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
4195 * c-parse.in (asm_string): New. Don't allow wide strings in
4197 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4198 asm_string instead of STRING.
4200 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
4202 * c-typeck.c (constructor_no_implicit): Remove.
4203 (set_designator, process_init_element): Don't check
4204 constructor_no_implicit.
4206 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
4207 Kaz Kojima <kkojima@gcc.gnu.org>
4210 * lcm.c (create_pre_exit): New.
4211 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4212 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
4214 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
4216 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4217 -msoft-float in target_float_switch.
4218 * arm.c (arm_override_options): Fix processing of target_float_switch.
4220 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
4222 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4225 2004-01-05 Uros Bizjak <uros@kss-loka.si>
4227 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4228 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4230 2005-01-04 Roger Sayle <roger@eyesopen.com>
4232 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4233 if deleting the then-block allows the test-block to fallthru to the
4236 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
4239 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4240 after the full declaration if the are in two different TUs.
4242 2005-01-04 Richard Henderson <rth@redhat.com>
4245 * tree-sra.c (generate_one_element_init): Just
4246 call gimplify_and_add.
4247 (generate_element_init): Record the
4248 new referenced variables and mark them for renaming
4249 and split out to ...
4250 (generate_element_init_1): This.
4251 (scalarize_init): Don't call push_gimplify_context/
4252 pop_gimplify_context.
4254 2005-01-04 Geoffrey Keating <geoffk@apple.com>
4256 * toplev.c (get_src_pwd): Handle failure of getpwd().
4258 2005-01-04 Roger Sayle <roger@eyesopen.com>
4260 * fold-const.c (fold_single_bit_test): Delete unreachable handling
4262 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
4263 all the cases handled by it are inverted by invert_truthvalue.
4265 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4267 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
4268 (save_register_windowsi): Likewise.
4270 2005-01-04 Richard Henderson <rth@redhat.com>
4272 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
4274 2005-01-04 Uros Bizjak <uros@kss-loka.si>
4277 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
4278 any simplifications of vector mode comparison operators.
4279 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
4281 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
4282 Devang Patel <dpatel@apple.com>
4284 PR tree-optimization/18308
4285 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
4286 the operands before creating a new expression.
4287 * dojump.c (do_jump): Make drop_through_label available
4288 for all cases. Add expansion of COND_EXPR.
4290 2005-01-04 Ira Rosen <irar@il.ibm.com>
4292 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
4293 INTEGER_CST instead of TREE_CONSTANT.
4294 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
4295 instead of TREE_CONSTANT.
4296 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
4297 instead of TREE_CONSTANT.
4299 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4301 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
4303 2005-01-04 Uros Bizjak <uros@kss-loka.si>
4306 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
4307 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
4309 2005-01-03 Richard Henderson <rth@redhat.com>
4311 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
4312 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
4313 fold_convert_const_real_from_real): Split out from ...
4314 (fold_convert_const): ... here.
4316 2005-01-03 Richard Henderson <rth@redhat.com>
4319 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
4320 (mov<MMXMODEI>_internal): Likewise.
4321 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
4322 Add V2SF case; use it for SSE1; don't use TI.
4323 (movdf_integer): Likewise.
4324 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
4326 2005-01-03 Ira Rosen <irar@il.ibm.com>
4328 * tree-vectorizer.c (vect_strip_conversions): New function.
4329 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
4330 check for binary class.
4332 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
4336 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
4338 * gimple-low.c (mark_blocks_with_used_vars): New function.
4339 (mark_blocks_with_used_subblocks): Ditto.
4340 (mark_used_blocks): Ditto.
4341 (pass_mark_used_blocks): New pass.
4342 * tree-inline.c: Include debug.h.
4343 (expand_call_inline): Call outlining_inline_function here.
4344 * tree-optimize.c (init_tree_optimization_passes): Add
4345 pass_mark_used_blocks.
4346 * tree-pass.h (pass_mark_used_blocks): New.
4347 * Makefile.in (tree-inline.o): Add debug.h dependency.
4349 2005-01-03 Geoffrey Keating <geoffk@apple.com>
4351 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
4352 VAR_DECLs to have weak_import attribute.
4354 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
4357 2004-01-03 Steven Bosscher <stevenb@suse.de>
4359 * passes.c (rest_of_compilation): Don't run regmove if only
4360 flag_expensive_optimizations, require flag_regmove instead.
4362 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4364 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
4366 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
4367 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4368 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
4369 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4371 2005-01-03 Richard Henderson <rth@redhat.com>
4373 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
4374 (ia64_const_ok_for_letter_p): New.
4375 (ia64_const_double_ok_for_letter_p): New.
4376 (ia64_extra_constraint): New.
4377 (ia64_expand_vecint_compare): New.
4378 (ia64_expand_vcondu_v2si): New.
4379 (ia64_expand_vecint_cmov): New.
4380 (ia64_expand_vecint_minmax): New.
4381 (ia64_print_operand): Add 'v'.
4382 (ia64_preferred_reload_class): New.
4383 (ia64_vector_mode_supported_p): New.
4384 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
4385 (PREFERRED_RELOAD_CLASS): Move to function.
4386 (CONST_OK_FOR_LETTER_P): Move to function.
4387 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
4388 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
4389 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
4390 (EXTRA_CONSTRAINT): Move to function.
4391 * config/ia64/ia64.md: Include vect.md.
4392 (itanium_class): Add mmalua.
4394 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
4396 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
4397 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
4399 (const_int_2bit_operand): New.
4400 (fr_reg_or_0_operand): New.
4401 * config/ia64/ia64-modes.def: Add vector modes.
4402 * config/ia64/ia64-protos.h: Update.
4403 * config/ia64/vect.md: New file.
4405 2005-01-03 Richard Henderson <rth@redhat.com>
4407 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
4409 2005-01-03 Uros Bizjak <uros@kss-loka.si>
4412 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
4414 (log1pdf2): Change mode of operands[0,1] to DFmode.
4416 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4418 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
4419 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
4420 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
4421 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
4422 SPARC_RELAXED_ORDERING.
4424 2005-01-03 Richard Henderson <rth@redhat.com>
4425 Uros Bizjak <uros@kss-loka.si>
4428 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
4429 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
4430 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
4432 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
4433 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
4434 const_pow2_1_to_128_operand): New predicates.
4436 2005-01-02 Greg McGary <greg@mcgary.org>
4438 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
4440 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
4441 object. [ptr_type]: Remove unused variable.
4442 Remember nearest addressable array-element or record-component
4443 when checking bitfield components. Tolerate empty BIND_EXPR.
4445 2005-01-01 Richard Henderson <rth@redhat.com>
4447 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
4448 that don't narrow the value. Fail for other conversions.
4450 2005-01-01 Richard Henderson <rth@redhat.com>
4453 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
4454 * c-lang.c (finish_file): Don't do it here.
4455 * objc/objc-act.c (objc_finish_file): Likewise.
4457 * cgraph.c (decl_assembler_name_equal): New.
4458 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
4459 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
4460 * cgraph.h (struct cgraph_varpool_node): Add next.
4461 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
4462 * varasm.c (assemble_alias): Mark the target as needed.
4464 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
4467 * function.c (get_arg_pointer_save_area): Use entry_of_function
4468 instead of get_insns.
4470 2005-01-01 Roger Sayle <roger@eyesopen.com>
4471 Andrew Pinski <pinskia@physics.uc.edu>
4472 James E. Wilson <wilson@specifixinc.com>
4474 PR rtl-optimization/12092
4475 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
4478 2005-01-01 Roger Sayle <roger@eyesopen.com>
4479 Olivier Hainque <hainque@act-europe.fr>
4481 * tree.c (int_fits_type_p): A narrower type always fits in a
4482 wider one, except for negative values into unsigned types.
4484 2005-01-01 Roger Sayle <roger@eyesopen.com>
4486 * tree.c (int_fits_type_p): Compare the result of force_fit_type
4487 with the original constant rather than require TREE_OVERFLOW.
4489 2005-01-01 Steven Bosscher <stevenb@suse.de>
4492 * c-decl.c (finish_function): If compiling C99, annotate the
4493 compiler generated return with the current file name and line 0.
4494 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
4495 the source line is greater than 0.
4496 (remove_bb): Likewise.
4498 See ChangeLog.12 for earlier changes.
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