| blob | 643192939d93b1759f9abe26759f709fb4f408c7 |
1 2005-04-22 David Edelsohn <edelsohn@gnu.org>
3 PR target/20813
4 * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
5 * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
6 rs64. Add MASK_PPC_GFXOPT to powerpc64 and rs64.
7 (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
8 TARGET_XL_COMPAT.
9 * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
11 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
13 * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
14 (gcc_tree_to_linear_expression): Convert to heap allocated
15 vectors.
16 (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
17 lbv_to_gcc_expression, lle_to_gcc_expression,
18 lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
19 perfect_nestify): Likewise.
20 lambda.h (gcc_loopnest_to_lambda_loopnest,
21 lambda_loopnest_to_gcc_loopnest): Likewise.
22 tree-loop-linear.c (linear_transform_loops): Likewise.
24 2005-04-22 Eric Botcazou <ebotcazou@libertysurf.fr>
26 * config/sparc/predicates.md (arith_double_operand): Use
27 trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
28 * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
29 (DImode, DFmode constant splitters): Likewise. Remove code for
30 TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
31 (logical constant splitters): Use const_int_operand predicate.
32 (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
33 HOST_BITS_PER_WIDE_INT < 64.
35 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
37 * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
38 gcc_unreachable as appropriate.
39 (force_mode, emit_move_sequence, singlemove_string,
40 output_move_double, output_fp_move_double, find_addr_reg,
41 output_block_move, output_block_clear, output_and,
42 output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
43 pa_adjust_cost, pa_issue_rate, print_operand,
44 output_global_address, output_arg_descriptor, output_cbranch,
45 output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
46 output_call): Likewise.
47 * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
48 prefetch, prefetch_cc, prefetch_nocc): Likewise.
50 2005-04-22 Zdenek Dvorak <dvorakz@suse.cz>
52 * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
53 _gcov_pow2_profiler and _gcov_one_value_profiler.
54 (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
55 (GTFILES): Add $(srcdir)/tree-profile.c.
56 * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
57 __gcov_one_value_profiler): Declare.
58 * gimplify.c (force_gimple_operand): Check whether the statements
59 should be produced in ssa form.
60 (force_gimple_operand_bsi): New function.
61 * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
62 __gcov_one_value_profiler): New functions.
63 * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
64 the profiled value is a power of two or not.
65 * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
66 * tree-flow.h (in_ssa_p): Declare.
67 (force_gimple_operand_bsi): Declare.
68 * tree-into-ssa.c (in_ssa_p): New variable.
69 (rewrite_into_ssa): Set in_ssa_p.
70 * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
71 * tree-profile.c: Include ggc.h and gt-tree-profile.h.
72 (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
73 tree_one_value_profiler_fn): New variables.
74 (tree_init_edge_profiler): Initialize the profiler function decls.
75 (tree_gen_edge_profiler): Use global gcov_type_node.
76 (prepare_instrumented_value): New function.
77 (tree_gen_interval_profiler, tree_gen_interval_profiler,
78 tree_gen_one_value_profiler): Call the library functions instead of
79 creating instrumentation code.
80 * tree.c (build_fn_decl): New function.
81 * tree.h (build_fn_decl): Declare.
82 * value-prof.c (rtl_divmod_values_to_profile,
83 rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
84 tree_mod_pow2_value_transform, tree_find_values_to_profile):
85 Do not handle may_be_other and precise values of exponents at pow2
86 profiler.
87 (tree_mod_subtract_transform): Reflect that value field of
88 histogram has changed meaning.
89 (tree_divmod_values_to_profile): Record the values correctly.
90 (tree_values_to_profile): Update comment.
91 * value-prof.h (struct histogram_value_t): Remove pow2 data.
93 2005-04-22 Joseph S. Myers <joseph@codesourcery.com>
95 * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
96 (decl).
98 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
100 * config/i386/i386.md (length_immediate): Use gcc_assert or
101 gcc_unreachable, as appropriate.
102 (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
103 *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
104 *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
105 *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
106 *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
107 *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
108 *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
109 *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
110 *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
111 *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
112 *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
113 *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
114 pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
115 pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
116 *prefetch_sse_rex): Likewise.
117 * config/i386/predicates.md (x86_64_immediate_operand,
118 x86_64_zext_immediate_operand, symbolic_operand,
119 no_seg_address_operand, aligned_operand,
120 memory_displacement_operand): Likewise.
121 * config/i386/sse.md (*mov<mode>_internal,
122 *movv2df_internal): Likewise.
124 2005-04-22 Jan Hubicka <jh@suse.cz>
126 * Makefile.in (ipa.o, ipa-inline.o): New files.
127 * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
128 cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
129 cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
130 * cgraphunit.c (cgraph_default_inline_p,
131 cgraph_decide_inlining_incrementally, ncalls_inlined,
132 nfunctions_inlined, initial_insns, overall_insns,
133 cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
134 cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
135 cgraph_mark_inline, cgraph_check_inline_limits,
136 cgraph_default_inline_p, cgraph_recursive_inlining_p,
137 update_callee_keys, lookup_recursive_calls,
138 cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
139 cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
140 cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
141 pass_ipa_inline): Move to ipa-inline.c
142 (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
143 * ipa.c: New file.
144 * ipa-inline.c: New file.
146 2005-04-22 Eric Botcazou <ebotcazou@libertysurf.fr>
148 * doc/invoke.texi (SPARC options): Document that -mapp-regs
149 is turned off by default on Solaris.
151 2005-04-21 Roger Sayle <roger@eyesopen.com>
153 * c-common.h (objc_build_method_signature): Update prototype.
154 * stub-objc.c (objc_build_method_signature): Update the stub
155 implementation to accept and ignore additional parameter.
156 * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
157 the value of ellipsis to objc_build_method_signature instead
158 of setting TREE_OVERFLOW on the parms TREE_LIST node.
160 2005-04-21 Geoffrey Keating <geoffk@apple.com>
162 * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
163 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
164 gen_rtx_* not gen_rtx_fmt_*.
165 (rs6000_emit_vector_select): Likewise.
166 (rs6000_emit_sync): New.
167 * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
168 (larx, stcx, cmp): New mode substitutions.
169 (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
170 UNSPEC_ISYNC): New constants.
171 (rlwinm): Give name.
172 (memory_barrier, isync, lwsync): New insns.
173 (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
174 (sync_lock_release<mode>): New expander.
175 (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
176 sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
177 sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
178 sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
179 sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
180 sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
181 (sync_add<mode>_internal, sync_addshort_internal,
182 sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
183 sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
184 sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
186 * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
187 is the memory before, not after, the operation. Clarify
188 barrier requirements.
190 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
192 * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
193 * lambda.h (lambda_vector_min_nz): Likewise.
194 * langhooks.h (struct lang_hooks_for_types,
195 struct lang_hooks): Likewise.
196 * output.h (assemble_integer, this_is_asm_operands): Likewise.
197 * tree.h: Likewise.
198 * vec.h: Likewise.
199 * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
201 * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
202 comments to avoid 'abort'. Use gcc_assert as necessary.
203 * opts.c (common_handle_option): Likewise.
204 * pretty-print.c (pp_base_format_text): Likewise.
205 * print-rtl.c (print_rtx): Likewise.
206 * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
207 * regmove.c (try_auto_increment): Likewise.
208 * reload.c (find_valid_class, find_reloads_toplev,
209 find_equiv_reg): Likewise.
210 * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
211 merge_assigned_reloads): Likewise.
212 * tree-inline.c (inline_forbidden_p_1,
213 estimate_num_insns_1): Likewise.
214 * tree-optimize.c (execute_todo): Likewise.
215 * tree-outof-ssa.c (eliminate_phi): Likewise.
216 * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
217 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
218 * tree-ssa-operands.c (parse_ssa_operands,
219 get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
220 * tree-ssa-pre.c (find_or_generate_expression): Likewise.
221 * tree-ssanames.c (release_ssa_name): Likewise.
222 * tree.c (int_bit_position, int_byte_position, tree_low_cst,
223 walk_tree): Likewise.
225 * tree-ssa-operands.c (verify_abort): Fold into ..
226 (verify_imm_links): ... here.
228 2005-04-21 Richard Henderson <rth@redhat.com>
230 * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
231 on non-memory operand for previous inversion.
233 2005-04-21 Devang Patel <dpatel@apple.com>
235 PR optimization/20994
236 * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
237 x = !(a == b) : p , q;.
238 (pass_if_conversion): Verify stmts and flow.
240 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
242 * optabs.c (gen_conditional_trap): Restore #define.
244 * alias.c (true_dependence): Remove 'abort' from comments. Use
245 gcc_assert and gcc_unreachable as appropriate.
246 (canon_true_dependence): Likewise.
247 * bb-reorder.c (connect_traces): Likewise.
248 * c-common.c (c_add_case_label): Likewise.
249 * c-decl.c (finish_function): Likewise.
250 * caller-save.c (insert_restore, insert_save): Likewise.
251 * cfg.c (update_bb_profile_for_threading): Likewise.
252 * cfganal.c (flow_active_insn_p): Likewise.
253 * cfgexpand.c (add_reg_br_prob_note): Likewise.
254 * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
255 cfg_layout_merge_blocks): Likewise.
256 * ifcvt.c (cond_exec_process_insns, merge_if_block,
257 find_if_block): Likewise.
258 * integrate.c (allocate_initial_values): Likewise.
259 * jump.c (reverse_condition, reverse_condition_maybe_unordered,
260 swap_condition, unsigned_condition, signed_condition,
261 mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
262 reg_or_subregno): Likewise.
263 * lambda-code.c (lambda_compute_auxillary_space,
264 lambda_transform_legal_p): Likewise.
265 * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
266 * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
267 lhd_incomplete_type_error, lhd_expand_expr,
268 lhd_types_compatible_p, lhd_tree_size): Likewise.
269 * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
270 * local-alloc.c (update_equiv_regs): Likewise.
271 * loop-unroll.c (peel_loop_completely
272 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
273 peel_loop_simple, unroll_loop_stupid,
274 analyze_iv_to_split_insn): Likewise.
275 * loop.c (gen_prefetch, find_and_verify_loops,
276 basic_induction_var): Likewise.
277 * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
278 * value-prof.c (tree_find_values_to_profile): Likewise.
279 * varasm.c (named_section, default_assemble_integer,
280 decode_addr_const): Likewise.
282 2005-04-21 Alan Modra <amodra@bigpond.net.au>
283 Fariborz Jahanian <fjahanian@apple.com>
285 * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
286 portion of argument passed in fpr.
287 * expr.c (emit_push_insn): Fix computation of 'offset' used to
288 decide on partial argument save on stack.
290 2005-04-21 Kazu Hirata <kazu@cs.umass.edu>
292 * config/sparc/predicates.md, config/sparc/sparc.md: Fix
293 comment typos.
295 2005-04-21 Jan Hubicka <jh@suse.cz>
297 * cgraphunit.c: Include tree-pass.h
298 (cgraph_decide_recursive_inlining,
299 cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
300 cgraph_decide_inlining): Dump goes to dump_file.
301 (cgraph_optimize): Call ipa passes instead of inliner.
302 (cgraph_gate_inlining, pass_ipa_inline): New.
303 * tree-optimize.c (all_ipa_passes): New static variable.
304 (register_one_dump_file): Dead with IPA passes.
305 (register_dump_files): Likewise.
306 (init_tree_optimization_passes): Initialize IPA passes.
307 (execute_todo): Do cgraph dump when asked to, do not dump function body
308 for IPA pass.
309 * tree-pass.h (TODO_dump_cgraph): New macro.
310 (ipa_passes): Declare.
311 * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
313 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
315 * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
316 gcc_assert instead of abort.
317 (classify_argument, examine_argument, construct_container,
318 contains_128bit_aligned_vector_p, ix86_check_movabs,
319 standard_80387_constant_opcode, standard_80387_constant_rtx,
320 ix86_initial_elimination_offset, ix86_compute_frame_layout,
321 pro_epilogue_adjust_stack, ix86_expand_epilogue,
322 ix86_address_cost, legitimate_address_p, legitimize_pic_address,
323 legitimize_tls_address, output_pic_addr_const,
324 i386_output_dwarf_dtprel, put_condition_code, print_reg,
325 get_some_local_dynamic_name, print_operand, print_operand_address,
326 output_387_binary_op, emit_i387_cw_initialization,
327 output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
328 ix86_expand_clear, ix86_expand_binary_operator,
329 ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
330 ix86_cc_modes_compatible, ix86_fp_comparison_codes,
331 ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
332 ix86_expand_branch, ix86_expand_setcc,
333 ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
334 ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
335 ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
336 memory_address_length, ix86_attr_length_immediate_default,
337 ix86_attr_length_address_default, ix86_agi_dependant,
338 x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
339 ix86_expand_binop_builtin, ix86_force_to_memory,
340 ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
341 x86_emit_floatuns): Likewise.
342 * config/i386/netware.c (gen_regparm_prefix,
343 i386_nlm_strip_name_encoding): Likewise.
344 * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
346 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
348 * optabs.c (gen_condiational_trap): Remove #define.
349 (add_equal_note): Assertify. Remove explicit indirection from
350 call via function pointer.
351 (expand_ternary_op, expand_simple_binop, expand_binop,
352 expand_twoval_unop, expand_twoval_binop,
353 expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
354 emit_unop_insn, emit_no_conflict_block, prepare_cmp_insn,
355 prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
356 prepare_float_lib_cmp, emit_conditional_move,
357 emit_conditional_add, gen_add2_insn, gen_add3_insn,
358 have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
359 expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
360 vector_compare_rtx, expand_vec_cond_expr): Likewise.
362 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
364 * vec.h: Update API to separate allocation mechanism from type.
365 (VEC_safe_grow): New.
366 * vec.c (calculate_allocation): New.
367 (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
368 (vec_gc_free, vec_heap_free): Remove.
369 * gengtype-lex.l (DEF_VEC_): Process mult-argument macros. Adjust.
370 (VEC): Likewise.
371 (mangle_macro_name): New.
372 (struct macro_def): New.
373 (struct macro): Add multiple argument values.
374 (macro_expans_end): New.
375 (push_macro_expansion): Chain on new macro. Process multiple
376 args, create follow on expansion. Return follow on argument.
377 (macro_input): Deal with multiple arguments.
379 * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
380 (struct tree_binfo): Adjust.
381 * basic-block.h: Define VEC(edge,gc).
382 (struct edge_def): Adjust.
383 (struct basic_block_def, struct edge_iterator): Likewise.
384 (ei_container, ei_start_1, ei_last_1): Likewise.
385 * cfg.c (connect_src, connect_dest): Likewise.
386 * cfgrtl.c (force_nonfallthru_and_redirect)
387 * dbxout.c (dbxout_type)
388 * dwarf2out.c (gen_member_die)
389 * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
390 (gcc_tree_to_linear_expression): Adjust.
391 (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
392 lbv_to_gcc_expression, lle_to_gcc_expression,
393 lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
394 perfect_nestify): Likewise.
395 * lambda.h (gcc_loopnest_to_lambda_loopnest,
396 lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
397 * profile.c (instrument_values): Adjust.
398 * tree-cfg.c (modified_noreturn_calls): Adjust.
399 (remove_fallthru_edge): Likewise.
400 * tree-dump.c (dequeue_and_dump): Adjust.
401 * tree-flow-inline.h (mark_stmt_modified): Adjust.
402 * tree-flow.h (modified_noreturn_calls): Adjust.
403 (tree_on_heap): Remove. (yay!)
404 (register_new_def): Adjust.
405 * tree-into-ssa.c: Define VEC(int,heap).
406 (block_defs_stack): Adjust.
407 (find_idf, insert_phi_nodes, register_new_def,
408 rewrite_initialize_block, rewrite_finalize_block,
409 register_new_update_single, rewrite_update_init_block,
410 rewrite_update_fini_block, rewrite_blocks,
411 ssa_rewrite_finalize_block, ssa_register_new_def,
412 ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
413 * tree-loop-linear.c (linear_transform_loops): Adjust.
414 * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
415 (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
416 * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
417 stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
418 vrp_variables_stack): Adjust declarations.
419 (tree_ssa_dominator_optimize): Adjust.
420 (dom_opt_initialize_block, remove_local_expressions_from_table,
421 restore_nonzero_vars_to_original_value,
422 restore_vars_to_original_value,
423 restore_currdefs_to_original_value, dom_opt_finalize_block,
424 record_var_is_nonzero, record_cond, record_const_or_copy_1,
425 optimize_stmt, update_rhs_and_lookup_avail_expr,
426 lookup_avail_expr, record_range): Likewise.
427 * tree-ssa-pre.c: Define VEC(basic_block,heap).
428 (compute_antic_aux): Adjust.
429 (inserted_exprs, create_expression_by_pieces,
430 insert_into_preds_of_block, eliminate, mark_operand_necessary,
431 remove_dead_inserted_code, fini_pre): Likewise.
432 * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
433 (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
434 ssa_prop_init): Likewise.
435 * tree-ssa.c: Define VEC(bitmap,heap).
436 (verify_name_tags): Adjust.
437 * value-prof.c (rtl_divmod_values_to_profile): Adjust.
438 (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
439 tree_divmod_values_to_profile, tree_find_values_to_profile,
440 value_profile_transformations): Likewise.
441 * value-prof.h: Define VEC(histogram_value,heap).
442 * varasm.c: Remove alias_pair pointer typedef, define
443 VEC(alias_pair,gc).
444 (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
446 * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
447 not a pointer to it. Create an object vector.
448 (extern_symbols): Turn into an object vector.
449 (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
451 2005-04-21 Sebastian Pop <pop@cri.ensmp.fr>
453 PR/20742
454 * Makefile.in (tree-chrec.o): Depend on params.h.
455 * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
456 default value 20.
457 * tree-chrec.c: Depend on params.h. Replace build with buildN,
458 and fold build with fold_buildN.
459 (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
460 the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
461 (tree_contains_chrecs): Compute an estimation of the size of the
462 given expression.
463 * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
464 (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
465 * tree-scalar-evolution.c (simple_iv): Ditto.
466 * doc/invoke.texi (scev-max-expr-size): Documented.
468 2005-04-21 Richard Sandiford <rsandifo@redhat.com>
470 * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
471 (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
472 (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
473 (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
474 (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
475 (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
476 * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
477 (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
478 * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
479 (darwin_fix_and_continue_switch): Delete.
480 * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
481 (SUBTARGET_SWITCHES): Delete.
482 * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
483 (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
484 (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
485 (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
486 (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
487 (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
488 (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
489 (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
490 (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
491 (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
492 (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
493 (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
494 (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
495 (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
496 (TARGET_64BIT): Undef before redefining.
497 (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
498 (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
499 (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
500 (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
501 (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
502 (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
503 (ix86_asm_string, ix86_regparm, ix86_regparm_string)
504 (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
505 (ix86_debug_arg_string, ix86_debug_addr_string)
506 (ix86_align_loops_string, ix86_align_jumps_string)
507 (ix86_align_funcs_string): Delete.
508 * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
509 (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
510 * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
511 (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
512 * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
513 * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
514 (SUBTARGET_SWITCHES): Delete.
515 * config/i386/i386.c (ix86_debug_arg_string): Delete.
516 (ix86_debug_addr_string): Delete.
517 (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
518 (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
519 (ix86_align_loops_string, ix86_align_jumps_string)
520 (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
521 (ix86_align_funcs_string): Make static.
522 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
523 (ix86_handle_option): New function.
524 (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
525 (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
526 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
527 of darwin_fix_and_continue_switch.
528 (darwin_one_byte_bool): Delete.
529 * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
530 * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
531 to darwin_one_byte_bool.
532 * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
533 * config/i386/djgpp.opt, config/i386/i386.opt,
534 * config/i386/sco5.opt: New files.
536 2005-04-21 Eric Botcazou <ebotcazou@libertysurf.fr>
538 * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
539 fp_zero_operand, fp_register_operand, intreg_operand,
540 fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
541 call_operand, call_operand_address, tgd_symbolic_operand,
542 tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
543 symbolic_operand, symbolic_memory_operand, label_ref_operand,
544 sp64_medium_pic_operand, data_segment_operand,
545 text_segment_operand, splittable_symbolic_memory_operand,
546 reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
547 eq_or_neq, normal_comp_operator, noov_compare_op,
548 noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
549 cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
550 const64_operand, const64_high_operand, arith11_operand,
551 arith10_operand, arith_double_operand, arith_double_4096_operand,
552 arith_double_add_operand, arith11_double_operand,
553 arith10_double_operand, small_int, small_int_or_double,
554 uns_small_int, uns_arith_operand, clobbered_register,
555 input_operand, compare_operand): Delete.
556 (sparc_emit_set_const32): Use predicates in assertion. Remove special
557 code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
558 (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
559 (GEN_HIGHINT64, GEN_INT64): Delete.
560 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
561 gen_safe_XOR64): Adjust for above deletion.
562 (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
563 Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
564 (legitimate_constant_p): Use const_zero_operand instead.
565 (sparc_extra_constraint_check): Likewise.
566 * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
567 (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
568 (PREDICATE_CODES): Delete.
569 * config/sparc/sparc.md: Include predicates.md.
570 (All patterns): Adjust for new predicate names.
571 (cmpdi, cmpdi_sp64): Use arith_operand predicate.
572 (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
573 (movdi): Use general_operand predicate.
574 (movdi_sp64_dbl): Delete.
575 (movdi_const64_special): Add 'N' constraint.
576 (movdicc): Use arith10_operand predicate.
577 (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
578 (movdi_cc_reg_sp64): Use arith10_operand predicate.
579 (movdi_cc_reg_sp64_trunc): Delete.
580 (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
581 (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
582 (subdi3_sp32): Delete.
583 (subdi3_insn_sp32): Change to define_insn_and_split.
584 (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
585 (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
586 (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
587 umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
588 small_int_operand predicate.
589 (divdi3, udivdi3): Use arith_operand predicate.
590 (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
591 (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
592 xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
593 (xordi3_sp64_dbl): Delete.
594 (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
595 cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
596 cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
597 cmp_ccx_set_not): Use arith_operand predicate.
598 (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
599 * config/sparc/predicates.md: New file.
601 2005-04-21 Kazu Hirata <kazu@cs.umass.edu>
603 PR tree-optimization/14846
604 * fold-const.c (fold_single_bit_test_into_sign_test): New,
605 split out from ...
606 (fold_single_bit_test): ... here.
607 (fold_binary): Call fold_single_bit_test_into_sign_test
608 instead of fold_single_bit_test.
610 2005-04-20 James E Wilson <wilson@specifixinc.com>
612 PR c++/20805
613 * dwarf2out.c (gen_variable_die): Don't emit a specification if this
614 is another declaration.
616 2005-04-21 Hans-Peter Nilsson <hp@axis.com>
618 * config/cris/predicates.md: New file.
619 * config/cris/cris-protos.h (cris_store_multiple_op_p)
620 (cris_movem_load_rest_p): Declare.
621 * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
622 (cris_movem_load_rest_p): Ditto. Globalize.
623 (cris_bdap_operand, cris_bdap_biap_operand,
624 cris_orthogonal_operator, cris_commutative_orth_op,
625 cris_operand_extend_operator,
626 cris_additive_operand_extend_operator, cris_extend_operator,
627 cris_plus_or_bound_operator, cris_mem_op,
628 cris_general_operand_or_symbol,
629 cris_general_operand_or_gotless_symbol,
630 cris_general_operand_or_plt_symbol, cris_mem_call_operand,
631 cris_load_multiple_op): Remove predicate functions.
632 (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
633 abort, for UNSPECs other than CRIS_UNSPEC_PLT.
634 * config/cris/cris.h (PREDICATE_CODES): Don't define.
635 * config/cris/cris.md: Include predicates.md.
636 ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
638 2005-04-20 Ian Lance Taylor <ian@airs.com>
640 * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
641 * c-common.h (STMT_EXPR_STMT): Don't define.
642 (STMT_EXPR_NO_SCOPE): Don't define.
643 * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
644 * c-pretty-print.c (pp_c_primary_expression): Likewise.
645 (pp_c_expression): Likewise.
647 2005-04-20 Richard Henderson <rth@redhat.com>
649 PR target/21100
650 * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
652 2005-04-20 Jeff Law <law@redhat.com>
654 * reload1.c (reload): Ignore equivalences between pseudos and
655 read only memory.
657 2005-04-20 Joseph S. Myers <joseph@codesourcery.com>
659 PR c/12913
660 * c-tree.h (struct c_label_list): Update comment.
661 (struct c_label_context): Rename to struct c_label_context_se.
662 (label_context_stack): Rename to label_context_stack_se.
663 (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
664 c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
665 c_end_vm_scope): New.
666 (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
667 * c-decl.c (pop_scope): Call c_end_vm_scope.
668 (pushdecl): Call c_begin_vm_scope for variably modified
669 declarations.
670 (define_label): Check for jumping into scope of identifier with
671 variably modified type. Push label on stack for those defined at
672 current context of identifiers with variably modified type.
673 (start_function): Create stack level for context of identifiers
674 with variably modified type.
675 (finish_function): Pop stack level for context of identifiers with
676 variably modified type.
677 * c-typeck.c (label_context_stack): Rename to
678 label_context_stack_se.
679 (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
680 (c_finish_goto_label): Check for jumping into scope of identifier
681 with variably modified type. Push label on stack for those jumped
682 to from current context of identifiers with variably modified
683 type.
684 (struct c_switch): Add blocked_vm.
685 (c_start_case): Initialize blocked_vm.
686 (do_case): Check blocked_vm.
687 (c_finish_case): Add comment.
688 (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
689 variable label_context_stack.
691 2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
693 * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
694 conditional_replacement, value_replacement, abs_replacement,
695 minmax_replacement.
696 (replace_phi_edge_with_variable): Remove argument BB.
697 (conditional_replacement, value_replacement,
698 minmax_replacement, abs_replacement): Remove argument PHI_BB.
699 Update a call to replace_phi_edge_with_variable.
701 * tree-ssa-phiopt.c: Fix comments.
703 2005-04-20 Michael Matz <matz@suse.de>
705 PR20973
706 * reload.c (push_reload, find_dummy_reload): Check for uninitialized
707 pseudos.
709 2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
711 * tree-ssa-phiopt.c: Fix comment typos.
713 PR tree-optimization/21116
714 * tree-ssa-phiopt.c: Fix a typo.
716 2005-04-19 Richard Henderson <rth@redhat.com>
718 * builtins.c (expand_builtin_sync_operation): Revert last change.
719 * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
720 not vs new value.
721 (expand_compare_and_swap_loop): Likewise.
722 (expand_sync_operation): Remove fallback from NAND to AND; invert
723 memory operand when expanding from cmpxchg.
724 (expand_sync_fetch_operation): Likewise.
725 * doc/extend.texi (Atomic Builtins): Fix docs for nand and
726 compare-and-swap.
728 * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
729 when implementing NAND. Fix double-add for AFTER.
730 * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
731 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
732 (sync_compare_and_swap<I48MODE>): Fix compare vs zero. Return old
733 memory value.
734 (sync_lock_test_and_set<I48MODE>): Remove extra label and last
735 memory barrier.
737 * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
738 to return old memory value.
739 (sync_compare_and_swap_cc<IMODE>): Likewise.
741 * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
742 return pre-reload. Don't consider output or anti dependencies.
743 * config/ia64/sync.md (IMODE): New.
744 (modesuffix): Add QI and HI.
745 (memory_barrier): Simplify expansion.
746 (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
747 (cmpxchg_acq_<IMODE>): Likewise.
748 (sync_lock_test_and_set<IMODE>): Likewise.
749 (sync_lock_release<IMODE>): Likewise.
751 2005-04-19 James A. Morrison <phython@gcc.gnu.org>
753 * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
754 ~X or ~Y simplify.
756 2005-04-19 James A. Morrison <phython@gcc.gnu.org>
758 * fold-const (fold_binary): Fold ~X ^ ~ Y to X ^ Y.
760 2005-04-20 Michael Pogue <michael.pogue@sun.com>
761 Joseph S. Myers <joseph@codesourcery.com>
763 * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
764 * c-typeck.c (build_c_cast): Check these options.
765 * doc/invoke.texi: Document these options.
767 2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
769 * tree-ssa-phiopt.c: Update a comment about the pass.
771 2005-04-19 Kazu Hirata <kazu@cs.umass.edu>
773 * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
774 config/mcore/mcore.c: Fix comment typos.
776 2005-04-19 Daniel Jacobowitz <dan@codesourcery.com>
778 * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
779 * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
781 2005-04-19 Paul Brook <paul@codesourcery.com>
783 * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
785 2005-04-19 Andrew Haley <aph@redhat.com>
787 PR java/21022
788 * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
789 looking at a field's bitpos.
791 2005-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * system.h (fopen, fdopen, freopen): Define these to the unlocked
794 libiberty functions.
796 2005-04-19 Kazu Hirata <kazu@cs.umass.edu>
798 PR tree-optimization/21096
799 * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
801 2005-04-19 Alan Modra <amodra@bigpond.net.au>
803 PR target/21098
804 * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
805 * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
807 2005-04-19 Alexandre Oliva <aoliva@redhat.com>
809 * tree-cfg.c (dump_function_to_file): Use cfun info only if it
810 refers to the function being dumped.
812 2005-04-18 Daniel Jacobowitz <dan@codesourcery.com>
814 * varasm.c (assemble_start_function): Remove reset of in_section.
816 2005-04-18 James A. Morrison <phython@gcc.gnu.org>
818 PR tree-optimization/21085
819 * fold-const (fold_binary): Don't change X % -C to X % C if C has
820 overflowed.
822 2005-04-19 Ben Elliston <bje@au.ibm.com>
824 * doc/invoke.texi (Optimize Options): Refer to the correct
825 optimisation flag -ftree-dominator-opts, not -ftree-dom.
827 2005-04-18 Christopher Jaillet <christophe.jaillet@wanadoo.fr>
829 * config/rs6000/rs6000.c (machopic_output_stub): Increase
830 alloca argument to be big enough.
832 2005-04-18 Alexandre Oliva <aoliva@redhat.com>
834 PR middle-end/21049
835 * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
836 cfun->cfg are NULL.
838 2005-04-18 Tom Tromey <tromey@redhat.com>
840 * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
841 typo.
843 2005-04-18 Richard Henderson <rth@redhat.com>
845 * config/alpha/alpha.c (alpha_split_atomic_op): New.
846 (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
847 (alphaev4_insn_pipe): Likewise. Correct IST and LDSYM pipes.
848 * config/alpha/alpha-protos.h: Update.
849 * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
850 (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
851 (attr type): Add ld_l, st_c, mb.
852 (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
853 iornotsi3, xorsi_internal, xornotsi3): New.
854 * config/alpha/ev4.md (ev4_ld): Add ld_l.
855 (ev4_ist_c, ev4_mb): New.
856 * config/alpha/ev5.md (ev5_st): Add st_c, mb.
857 (ev5_ld_l): New.
858 * config/alpha/ev6.md (ev6_ild): Add ld_l.
859 (ev6_ist): Add st_c.
860 (ev6_mb): New.
861 * config/alpha/sync.md: New file.
863 2005-04-18 Richard Henderson <rth@redhat.com>
865 * builtins.c (expand_builtin_sync_operation): Fold nand to and
866 for constants.
868 * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
870 2005-04-18 Devang Patel <dpatel@apple.com>
872 * config/rs6000/atlivec.md (mulv4si3): New pattern.
874 2005-04-18 James A. Morrison <phython@gcc.gnu.org>
876 PR tree-optimization/20922
877 * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
878 Fold X + c >= X and fold X - c <= X to true.
880 2005-04-18 James A. Morrison <phython@gcc.gnu.org>
882 * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
883 unsigned int.
884 (emergency_labeled_state_free): Likewise.
886 2005-04-18 Nick Clifton <nickc@redhat.com>
888 * config/h8300/h8300.md (jump): Remove prescan parameter from
889 calls to final_scan_insn.
891 * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
892 parameter from calls to final_scan_insn.
894 * config.gcc (m68hc12): Use the m68hc11.opt file for target
895 specific options.
896 (v850e, v850e1): Use the v850.opt file for target specific
897 options.
899 2005-04-18 Kazu Hirata <kazu@cs.umass.edu>
901 PR tree-optimization/21001
902 * tree-optimize.c (init_tree_optimization_passes): Move the
903 first pass_forwprop immediately before pass_vrp.
905 2005-04-17 Ian Lance Taylor <ian@airs.com>
907 * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
908 * c-common.c (c_sizeof_or_alignof_type): Change second parameter
909 from enum tree_code op to bool is_sizeof.
910 * c-common.h (c_sizeof_or_alignof_type): Update declaration.
911 (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
912 * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
913 case.
914 (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
915 cases.
916 (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
917 ALIGNOF_EXPR cases.
919 2005-04-17 Ian Lance Taylor <ian@airs.com>
921 * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
923 2005-04-17 Richard Henderson <rth@redhat.com>
925 * config/alpha/alpha.c (va_list_skip_additions): Only define if
926 TARGET_ABI_OSF.
927 (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
928 (alpha_stdarg_optimize_hook): Likewise. Allow for one more round
929 of indirection through ssa names while looking for the gpr counter
930 field.
931 (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
932 saved va_list_gpr_size and va_list_fpr_size.
934 2005-04-17 Kazu Hirata <kazu@cs.umass.edu>
936 * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
937 both pointers or both integers.
939 * tree-vrp.c (maybe_add_assert_expr): Don't assert
940 ASSERT_EXPRs for single-use variable.
942 * tree-into-ssa.c: Fix a comment typo.
944 2005-04-17 Richard Sandiford <rsandifo@redhat.com>
946 * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
947 -mipsN before forcing a default of -mips2.
949 2005-04-17 Kazu Hirata <kazu@cs.umass.edu>
951 * predict.h (IS_TAKEN): Remove.
952 * rtl.h (NOTE_PREDICTION): Likewise.
954 * modulo-sched.c (CFG_HOOKS): Remove.
956 * c-parser.c (N_C_TTYPES): Remove.
958 * tree-flow-inline.h (get_stmt_operands): Remove.
959 * lambda-code.c, tree-ssa-loop-unswitch.c,
960 tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
961 tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
962 tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
963 calls to get_stmt_operands.
964 * doc/tree-ssa.texi: Don't mention get_stmt_operands.
966 2005-04-17 Richard Henderson <rth@redhat.com>
968 PR target/20375
969 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
970 of CUMULATIVE_ARGS past the last named argument.
971 (alpha_va_start): Expect pretend_args_size only if strictly less than
972 6 named arguments.
974 2005-04-17 Kazu Hirata <kazu@cs.umass.edu>
976 PR middle-end/21024
977 * builtins.c (expand_builtin_strcat): Convert the result of
978 strlen to the right type.
979 * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
980 avoid creating type mismatches.
981 <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
982 type mismatches.
984 * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
986 2005-04-16 Richard Henderson <rth@redhat.com>
988 PR target/21051
989 * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
990 Use the mode of boolean_type_node when the user doesn't provide one.
991 * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
993 2005-04-16 Alexandre Oliva <aoliva@redhat.com>
995 PR target/20126
996 * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
997 (const)).
999 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1000 comment.
1002 2005-04-16 Roger Sayle <roger@eyesopen.com>
1003 Steven Bosscher <stevenb@suse.de>
1005 * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1006 (fold_unary_to_constant): Likewise.
1008 2005-04-16 Kazu Hirata <kazu@cs.umass.edu>
1010 * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1011 PROP_ASM_SCAN.
1013 2005-04-16 Gerald Pfeifer <gerald@pfeifer.com>
1015 * doc/install.texi (Specific): Avoid using asterisks in @anchor
1016 names related to target triplets.
1017 Remove i?86-*-esix from platform directory.
1018 Remove powerpc-*-eabiaix from platform directory.
1020 2005-04-16 Joseph S. Myers <joseph@codesourcery.com>
1022 PR middle-end/20491
1023 * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1024 falling through from SUBREG case to REG.
1026 2005-04-15 Roger Sayle <roger@eyesopen.com>
1028 * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1029 (fold_binary): Update comment mentioning fold_relational_hi_lo.
1030 (fold_binary_to_constant): Simplify using fold_binary.
1031 (fold_unary_to_constant): Likewise, simplify using fold_unary.
1033 2005-04-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1035 * gthr-posix.c (pthread_cancel): Define.
1036 (pthread_mutexattr_init): Likewise.
1037 (pthread_mutexattr_settype): Likewise.
1038 (pthread_mutexattr_destroy): Likewise.
1040 2005-04-15 David S. Miller <davem@davemloft.net>
1042 PR target/20673
1043 * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1045 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1047 PR tree-optimization/21031
1048 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1049 (forward_propagate_into_cond_1): Call it. Forward propagate
1050 integer-integer casts into COND_EXPRs.
1052 2005-04-15 Dave Korn <dave.korn@artimi.com>
1054 * gcc.c (default_compilers): Clarify obscure error message when
1055 reading from standard input.
1057 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1059 * basic-block.h (PROP_EQUAL_NOTES): Remove.
1060 * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1062 * tree-ssa-alias.c (init_alias_info): Remove a call to
1063 get_stmt_operands.
1065 2005-04-15 Andrew MacLeod <amacleod@redhat.com>
1067 * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1068 of non-virtual PHI nodes like we use to.
1070 2005-05-15 Paolo Bonzini <bonzini@gnu.org>
1072 * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1073 (attr_copy_rtx): Do not use it.
1075 2005-04-15 Andrew Macleod <amacleod@redhat.com>
1077 * doc/tree-ssa.texi: Grammer/abbreviation updates.
1079 2005-04-15 Diego Novillo <dnovillo@redhat.com>
1081 * tree-vect-transform.c (vectorizable_store): Mark necessary
1082 objects in the vectorized store needing renaming. Update the
1083 SSA graph for V_MAY_DEF operands in the original store.
1085 2005-04-14 Daniel Berlin <dberlin@dberlin.org>
1087 * tree-ssa-pre.c (compute_avail): It's okay to have
1088 TREE_INVARIANT's here, and value number the resulting expressions.
1089 (create_expression_by_pieces): Make sure operands that were
1090 min_invariant when we started, stay that way.
1092 2005-04-15 David Edelsohn <edelsohn@gnu.org>
1094 * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1096 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1098 PR tree-optimization/20936.
1099 * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1101 2005-04-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1103 * doc/invoke.texi: Fix typos.
1104 * doc/md.texi: Likewise.
1105 * doc/rtl.texi: Likewise.
1106 * doc/sourcebuild.texi: Likewise.
1107 * doc/tm.texi: Likewise.
1109 2005-04-15 Uros Bizjak <uros@kss-loka.si>
1111 PR tree-optimization/21004
1112 * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1113 and floorl in c99 mode only.
1114 * builtins.c (expand_builtin_int_roundingfn): Assert that
1115 fallback_fndecl is not NULL_TREE.
1117 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1119 * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1120 * basic-block.h: Update the prototype for
1121 purge_all_dead_edges.
1122 * cfgexpand.c (tree_expand_cfg): Update a call to
1123 purge_all_dead_edges.
1124 * combine.c (combine_instructions): Likewise.
1125 * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1126 rest_of_handle_cse2, rest_of_handle_gcse,
1127 rest_of_handle_postreload): likewise.
1129 2005-04-15 Alexandre Oliva <aoliva@redhat.com>
1131 PR middle-end/20739
1132 * gimplify.c (gimplify_addr_expr): Compensate for removal of
1133 e.g. cv-qualification conversions.
1135 2005-04-14 Mike Stump <mrs@apple.com>
1137 * config/darwin-c.c (framework_construct_pathname): We must
1138 find all headers of a framework in the first instance of it
1139 found in the seach path.
1141 2005-04-14 Kazu Hirata <kazu@cs.umass.edu>
1143 PR tree-optimization/21021
1144 * tree-vrp.c (compare_values): Work around a bug in the front
1145 end that produces a comparison of mismatched types.
1147 2004-04-14 Richard Henderson <rth@redhat.com>
1149 * config/ia64/ia64.h (enum fetchop_code): Remove.
1150 (enum ia64_builtins): Move ...
1151 * config/ia64/ia64.c (enum ia64_builtins): ... here. Remove all
1152 members except BSP and FLUSHRS.
1153 (ia64_init_builtins): Remove __sync builtins.
1154 (ia64_expand_builtin): Likewise.
1155 (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1156 (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1157 (ia64_expand_lock_release): Remove.
1158 * config/ia64/ia64.md (mf): Move to sync.md.
1159 (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1160 cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1161 * config/ia64/sync.md: New file.
1162 (memory_barrier): Rename from mf.
1163 (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1164 (cmpxchg_acq_<I48MODE>): Likewise.
1165 (sync_lock_test_and_set<I48MODE>): Likewise.
1167 * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1168 to c++. Remove __sync* declarations. s/_si/_4/. s/_di/_8/.
1170 2004-04-14 Richard Henderson <rth@redhat.com>
1172 * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1173 (ix86_compare_emitted): New.
1174 (ix86_expand_compare): Use ix86_compare_emitted if set.
1175 (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1176 and ix86_compare_op0 are set.
1177 * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1178 (TARGET_CMPXCHG, TARGET_XADD): New.
1179 (ix86_compare_emitted): Declare.
1180 * config/i386/i386.md: Include sync.md
1181 (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1182 (UNSPECV_XCHG, UNSPECV_LOCK): New.
1183 * config/i386/sync.md: New file.
1185 2004-04-14 Richard Henderson <rth@redhat.com>
1187 PR middle-end/14311
1188 * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1189 BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1190 BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1191 BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1192 BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1193 BT_FN_I8_VPTR_I8_I8): New.
1194 * builtins.def (DEF_SYNC_BUILTIN): New.
1195 (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1196 BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1197 BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1198 BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1199 BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1200 BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1201 BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1202 BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1203 BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1204 BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1205 BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1206 BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1207 BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1208 BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1209 BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1210 BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1211 BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1212 BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1213 BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1214 BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1215 BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1216 BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1217 BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1218 BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1219 BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1220 BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1221 BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1222 BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1223 BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1224 BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1225 BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1226 BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1227 BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1228 BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1229 BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1230 BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1231 BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1232 BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1233 BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1234 BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1235 BUILT_IN_SYNCHRONIZE: New.
1236 * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1237 as a function. Accept __sync_ as a prefix as well.
1238 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1239 expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1240 expand_builtin_lock_release): New.
1241 (expand_builtin): Call them.
1242 * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1243 neither BOTH_P nor FALLBACK_P are defined.
1244 (builtin_type_for_size): New.
1245 (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1246 (resolve_overloaded_builtin): New.
1247 * c-common.h (resolve_overloaded_builtin): Declare.
1248 (builtin_type_for_size): Declare.
1249 * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1250 * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1251 sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1252 sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1253 sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1254 sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1255 sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1256 sync_compare_and_swap_cc, sync_lock_test_and_set,
1257 sync_lock_release): New.
1258 * optabs.h: Declare them.
1259 * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1260 expand_sync_operation, expand_sync_fetch_operation,
1261 expand_sync_lock_test_and_set): Declare.
1262 * genopinit.c (optabs): Add sync optabs.
1263 * optabs.c (init_optabs): Initialize sync optabs.
1264 (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1265 expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1266 expand_sync_operation, expand_sync_fetch_operation,
1267 expand_sync_lock_test_and_set): New.
1268 * doc/extend.texi (Atomic Builtins): New section
1269 * doc/md.texi (Standard Names): Add sync patterns.
1271 2005-04-14 Alexandre Oliva <aoliva@redhat.com>
1273 * tree-eh.c (lower_try_finally_copy): Generate new code in
1274 response to goto_queue entries as if the queue was sorted by
1275 index, not pointers.
1276 (lower_try_finally_switch): Likewise.
1278 2005-04-14 Richard Henderson <rth@redhat.com>
1280 * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1281 (ix86_expand_sse_movcc): ... here. Take cmp as a pre-computed
1282 register.
1283 (ix86_expand_fp_movcc): Update to match.
1284 (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1285 * config/i386/i386-protos.h: Update.
1286 * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1287 (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1289 2005-04-14 Joseph S. Myers <joseph@codesourcery.com>
1291 * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1292 refer to 4.0.
1294 2005-04-14 Julian Brown <julian@codesourcery.com>
1296 * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1297 link failures on ppc64 Linux.
1299 2005-04-14 Andreas Krebbel <krebbel1@de.ibm.com>
1301 * config.gcc: Set cpu_type for s390.
1303 2005-04-14 Daniel Berlin <dberlin@dberlin.org>
1305 Fix PR tree-optimization/20963
1306 * tree-ssa-pre.c (compute_avail): Remove special case for
1307 TREE_INVARIANT.
1308 (create_expression_by_pieces): Add value numbers for forced out
1309 statements.
1311 2005-04-14 Hans-Peter Nilsson <hp@axis.com>
1313 * config/cris/cris.md: Replace references to (reg:SI 16) with
1314 (reg:SI CRIS_SRP_REGNUM).
1316 2005-04-14 Kazu Hirata <kazu@cs.umass.edu>
1318 PR tree-optimization/20657
1319 * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1320 create an appropriate range from it.
1322 2005-04-14 Uros Bizjak <uros@kss-loka.si>
1324 * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1325 <UNSPEC_FIST_CEIL> case.
1327 * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1328 (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1329 (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1330 to implement lfloor and llfloor built-ins as x87 intrinsic function.
1331 (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1332 (lfloor<mode>2): New expanders.
1333 (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1334 (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1335 to implement lceil and llceil built-ins as x87 intrinsic function.
1336 (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1337 (lceil<mode>2): New expanders.
1339 2005-04-14 Uros Bizjak <uros@kss-loka.si>
1341 * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1342 and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1344 2005-04-14 Ulrich Weigand <uweigand@de.ibm.com>
1346 PR target/20927
1347 * config/s390/s390-modes.def: Define TFmode.
1349 2005-04-13 Richard Sandiford <rsandifo@redhat.com>
1351 * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1352 (JUMP_TABLES_IN_TEXT_SECTION): Define.
1353 * config/mips/mips.c (mips16_insn_length): Remove reference to
1354 JUMP_TABLES_IN_TEXT_SECTION.
1356 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1358 * simplify-rtx.c (simplify_binary_operation_1): Return
1359 scalar or vector of constant 0, depending on the xor's
1360 mode.
1362 2005-04-13 Dale Johannesen <dalej@apple.com>
1364 * objc/Make-lang.in (objc-lang.o): Depend on tree-gimple.h.
1365 (objc-act.o): Ditto.
1366 * objc/objc-act.c (objc_gimplify_expr): New.
1367 (objc_get_callee_fndecl): New.
1368 * objc/objc-act.h: Include tree-gimple.h. Declare new functions.
1369 * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR): Define.
1370 (LANG_HOOKS_GET_CALLEE_FNDECL): Define.
1372 2005-04-13 Devang Patel <dpatel@apple.com>
1374 * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
1375 temp variables.
1377 2005-04-13 Hans-Peter Nilsson <hp@axis.com>
1379 CRIS prologue as RTL.
1380 * config/cris/cris-protos.h (cris_emit_movem_store)
1381 (cris_expand_prologue): Prototype.
1382 * config/cris/cris.c (struct machine_function): New member
1383 stdarg_regs.
1384 (cfa_label_num, cris_target_asm_function_prologue): Remove.
1385 (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
1386 (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
1387 (cris_load_multiple_op, cris_return_address_on_stack)
1388 (cris_return_address_on_stack_for_return): ISO-Cify.
1389 (cris_store_multiple_op): New predicate function.
1390 (cris_expand_prologue, cris_emit_movem_store): New functions.
1391 (cris_print_operand) <case 'O'>: Handle modifications other than
1392 post-increment.
1393 (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
1394 (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
1395 (cris_gen_movem_load): Rearrange slightly to make local variable
1396 src a parameter, removing osrc.
1397 (cris_setup_incoming_varargs): Set machine_function member
1398 stdarg_regs to correspond to the number of registers that need to
1399 be saved.
1400 * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
1401 CRIS_UNSPEC_GOT.
1402 (PREDICATE_CODES): Add cris_store_multiple_op. Make
1403 cris_general_operand_or_gotless_symbol accept UNSPEC.
1404 * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
1405 ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
1406 ("*cris_store_multiple"): New pattern. Tweak common comment above
1407 this and "*cris_load_multiple".
1408 ("prologue"): New define_expand.
1410 * config/cris/cris.md ("epilogue"): Conditionalize on
1411 TARGET_PROLOGUE_EPILOGUE.
1413 2005-04-13 Steve Ellcey <sje@cup.hp.com>
1415 PR target/20924
1416 * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
1417 fpsr 0 instead of fpsr 1.
1418 (divsf3_internal_thr): Ditto.
1419 (divdf3_internal_lat): Ditto.
1420 (divdf3_internal_thr): Ditto.
1421 (divxf3_internal_lat): Ditto.
1422 (divxf3_internal_thr): Ditto.
1424 2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
1426 PR tree-optimization/20913
1427 * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
1429 PR tree-optimization/20702
1430 * tree-vrp.c (maybe_add_assert_expr): Recurse into
1431 dominator children that haven't been walked into.
1433 2005-04-13 Julian Brown <julian@codesourcery.com>
1435 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
1436 being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
1437 is true.
1439 2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
1441 * basic-block.h, tree-ssa-uncprop.c, varasm.c,
1442 config/i386/sse.md: Fix comment typos.
1444 * genattrtab.c (NULL_ATTR): Remove.
1445 * ifcvt.c (NULL_EDGE): Likewise.
1447 * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
1449 * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
1450 NOTE_PREDICT): Remove.
1452 2005-04-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1454 * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
1455 * configure: Regenerate.
1456 * config.in: Likewise.
1457 * system.h: Declare vsnprintf if not already declared.
1459 2005-04-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1461 * optc-gen.awk: Handle stand-alone Mask records.
1462 * opth-gen.awk: Likewise.
1463 * doc/options.texi (Option file format): Document them.
1464 * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
1465 sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
1466 (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
1467 * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
1468 MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
1469 MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
1470 MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
1471 MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
1472 MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
1473 (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
1474 TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
1475 TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
1476 TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
1477 TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
1478 TARGET_LONG_DOUBLE_128): Likewise.
1479 (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
1480 (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
1481 * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
1482 * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
1483 * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
1484 * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
1485 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1486 * config/sparc/sparc.c (fpu_option_set): New global.
1487 (sparc_handle_option): New function.
1488 (sparc_override_options): Test fpu_option_set.
1489 (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
1490 (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
1491 * config/sparc/sparc.opt: New file.
1492 * config/sparc/little-endian.opt: Likewise.
1493 * config/sparc/long-double-switch.opt: Likewise.
1495 2005-04-13 Bernd Schmidt <bernd.schmidt@analog.com>
1497 * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
1498 (bfin_handle_options): Set it if -mshared-library-id= is seen.
1499 * config/bfin/bfin.opt (mshared-library-id=): Lose
1500 Var(bfin_lib_id_given).
1502 2005-04-13 Matt Thomas <matt@3am-software.com>
1504 * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
1505 defining.
1507 2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
1509 * rtl.h (CLEAR_RTX_FLAGS): Remove.
1511 * cgraphunit.c (INSNS_PER_CALL): Remove.
1513 * tree-ssa-forwprop.c (vars,
1514 record_single_argument_cond_exprs,
1515 substitute_single_use_vars): Remove.
1516 (forward_propagate_into_cond_1, forward_propagate_into_cond):
1517 New.
1518 (tree_ssa_forward_propagate_single_use_vars): Call
1519 forward_propagate_into_cond for each COND_EXPR.
1521 * tree-inline.c (INSNS_PER_STMT): Remove.
1523 2005-04-12 Richard Henderson <rth@redhat.com>
1525 * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
1526 (ix86_expand_sse_fp_minmax): ... from ...
1527 (ix86_expand_fp_movcc): ... here.
1528 (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
1529 * config/i386/i386-protos.h: Update.
1530 * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
1531 (sse_setccsf, sse_setccdf): Allow before reload.
1532 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
1533 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
1534 (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
1535 * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
1536 (anddf3, nanddf3, iordf3, xordf3): New.
1538 2005-04-12 Jeff Law <law@redhat.com>
1540 * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
1541 (tree-ssa-uncprop.o): Add dependencies.
1542 * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
1543 * tree-flow.h (remove_useless_stmts): Remove prototype.
1544 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1545 remove_useless_stmts.
1546 * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
1547 * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
1548 * tree-pass.h (pass_uncprop): Declare.
1549 * tree-ssa-uncprop.c: New file.
1551 2005-04-12 James E. Wilson <wilson@specifixinc.com>
1553 PR target/20670
1554 * unwind-ia64.c (uw_intall_context): Add missing load of r27.
1556 2005-04-12 Caroline Tice <ctice@apple.com>
1558 Temporary fix for partitioning problems.
1559 * passes.c (rest_of_handle_final): Remove code that
1560 frees unlikely_text_section_name,
1561 * varasm.c (assemble_start_function): Test for partitioning
1562 flag before writing out section labels.
1563 (assemble_end_function): Test for partitioning flag before
1564 writing out section labels.
1566 2005-04-12 Steven Bosscher <stevenb@suse.de>
1567 Stuart Hastings <stuart@apple.com>
1568 Jan Hubicka <jh@suse.cz>
1570 * Makefile.in: Add function.h to BASIC_BLOCK_H. Remove all
1571 references to gt-tree-cfg.h.
1572 * basic-block.h (struct basic_block_def): Don't skip rbi
1573 for garbage collection.
1574 (struct reorder_block_def): Make GTY-able.
1575 (struct control_flow_graph): New structure.
1576 (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
1577 BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
1578 but instead defines to the control_flow_graph for cfun.
1579 (label_to_block_map): New define, points to the label map of
1580 the control_flow_graph for cfun.
1581 (n_edges_for_function, n_basic_blocks_for_function,
1582 last_basic_block_for_function, basic_block_info_for_function,
1583 EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
1584 basic_block_info_for_function, label_to_block_map_for_function):
1585 Counterparts for the above, taking a struct function as an extra
1586 argument.
1587 (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
1588 * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
1589 basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
1590 (alloc_rbi_pool, free_rbi_pool): Remove.
1591 (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
1592 * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
1593 here...
1594 (cfg_layout_finalize) ... and don't free it here.
1595 * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
1596 garbage collected.
1597 * flow.c (free_basic_block_vars): Set label_to_block_map and
1598 n_edges to zero too.
1599 * function.h (struct function): Add cfg field.
1600 * function.c (allocate_struct_function): Allocate the cfg.
1601 * tree-cfg.c (label_to_block_map): Remove.
1602 (build_tree_cfg): Don't allocate the rbi pool here...
1603 (delete_tree_cfg_annotations): ...and don't free it here.
1604 Also don't nullify label_to_block_map for cfun.
1606 2005-04-12 Caroline Tice <ctice@apple.com>
1608 * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1609 Revert my patch from April 9.
1610 (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
1611 (reorder_basic_blocks): Revert my patch from April 9.
1612 (insert_section_boundary_note): Revert my patch from April 9.
1613 * dbxout.c (dbxout_function_end): Revert my patch from April 9.
1614 * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
1615 (COLD_END_LABEL): Revert my patch from April 9.
1616 (cold_text_section_label): Revert my patch from April 9.
1617 (cold_end_label): Revert my patch from April 9.
1618 (dwarf2out_switch_text_section): Revert my patch from April 9.
1619 (output_aranges): Revert my patch from April 9.
1620 (output_ranges): Revert my patch from April 9.
1621 (output_line_info): Revert my patch from April 9.
1622 (add_location_or_const_value_attribute): Revert my patch from April 9.
1623 (dwarf2out_var_location): Revert my patch from April 9.
1624 (dwarf2out_init): Revert my patch from April 9.
1625 (dwarf2out_finish): Revert my patch from April 9.
1626 * function.h (struct function): Revert my patch from April 9.
1627 * opts.c (decode_options): Revert my patch from April 9.
1628 * output.h (unlikely_section_label, hot_section_label,
1629 hot_section_end_label, cold_section_end_label,
1630 unlikely_text_section_name): Revert my patch from April 9.
1631 * passes.c (rest_of_handle_final): Revert my patch from April 9.
1632 * varasm.c (unlikely_section_label, hot_section_label,
1633 hot_section_end_label, cold_section_end_label,
1634 unlikely_text_section_name): Revert my patch from April 9.
1635 (initialize_cold_section_name): Revert my patch from April 9.
1636 (unlikely_text_section): Revert my patch from April 9.
1637 (in_unlikely_text_section): Revert my patch from April 9.
1638 (named_section): Revert my patch from April 9.
1639 (function_section): Revert my patch from April 9.
1640 (current_function_section): Revert my patch from April 9.
1641 (assemble_start_function): Revert my patch from April 9.
1642 (assemble_end_function): Revert my patch from April 9.
1643 (default_section_type_flags_1): Revert my patch from April 9.
1645 2005-04-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1647 * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
1648 * config/sparc/sparc.md (untyped_call): Save the registers manually.
1650 * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
1652 2005-04-12 Ulrich Weigand <uweigand@de.ibm.com>
1654 PR middle-end/20917
1655 * config/s390/s390.md ("*set_tp"): Use SET in pattern.
1656 ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
1658 2004-04-12 Richard Henderson <rth@redhat.com>
1660 * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
1661 UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
1662 UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
1663 (UNSPEC_*, UNSPECV_*): Renumber.
1665 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
1667 PR mudflap/19266
1668 From Richard Henderson <rth@redhat.com>:
1669 * tree-mudflap.c (mf_build_check_statement_for): Correct block
1670 splitting logic.
1672 2005-04-12 Dorit Naishlos <dorit@il.ibm.com>
1674 * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
1676 2005-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
1678 * config/bfin/bfin.c (bfin_library_id_string): Remove.
1679 (bfin_library_id): New variable.
1680 (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
1681 instead of bfin_library_id_string.
1682 (bfin_handle_option): New function.
1683 (override_options): Remove most code to deal with shared library IDs,
1684 just check they aren't used without -mid-shared-library.
1685 (TARGET_HANDLE_OPTION): Define.
1686 * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
1687 * config/bfin/bfin.opt (mshared-library-id=): New.
1689 2005-04-12 Kazu Hirata <kazu@cs.umass.edu>
1691 * tree-vect-transform.c: Fix comment typos.
1693 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
1695 * postreload-gcse.c (eliminate_partially_redundant_load): Don't
1696 split critical edges when not possible/profitable.
1698 2005-04-12 Richard Sandiford <rsandifo@redhat.com>
1700 * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
1701 (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
1702 (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
1703 (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
1704 (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
1705 (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
1706 (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
1707 * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
1708 MASK_NO_BITFIELD.
1709 * config/ns32k/ns32k.c (ns32k_handle_option): New function.
1710 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1711 * config/ns32k/ns32k.opt: New file.
1713 2005-04-12 Richard Sandiford <rsandifo@redhat.com>
1715 * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
1716 * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
1717 (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
1718 (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
1719 (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
1720 (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
1721 (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
1722 (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
1723 (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
1724 (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
1725 (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
1726 (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
1727 (MASK_COLDFIRE): Formatting fixes.
1728 (TARGET_COLDFIRE): Turn into a boolean value for consistency.
1729 * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
1730 * config/m68k/m68k.c (m68k_library_id_string): Initialize to
1731 "_current_shared_library_a5_offset_".
1732 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1733 (MASK_ALL_CPU_BITS): New macro.
1734 (m68k_handle_option): New function.
1735 (override_options): Remove handling of m68k_library_id_string.
1736 * config/m68k/m68k.opt: New file.
1737 * config/m68k/ieee.opt: New file.
1739 2005-04-11 Mark Mitchell <mark@codesourcery.com>
1741 * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1742 (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
1743 (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1744 (TARGET_CXX): Adjust accordingly.
1745 * target.h (struct gcc_target): Remove epxort_class_data. Add
1746 determine_class_data_visibility and class_data_always_comdat.
1747 * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1748 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
1749 (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1750 * config/arm/arm.c (arm_cxx_export_class_data): Remove.
1751 (arm_cxx_determine_class_data_visibility): New.
1752 (arm_cxx_class_data_always_comdat): Likewise.
1753 (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1754 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1755 (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1756 * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
1757 * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
1758 Define.
1760 2005-04-11 Devang Patel <dpatel@apple.com>
1762 * tree-data-ref.c (build_classic_dist_vector,
1763 compute_subscript_distance): Make externally visible.
1764 * tree-data-ref.h (build_classic_dist_vector,
1765 compute_subscript_distance): Same.
1766 * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
1767 Check distance vector against vectorization factor.
1768 (vect_analyze_loop): Determine vectorizaion factor before
1769 analyzing data dependences.
1770 * tree-vectorizer.c (loops_num): Make it externally visible and
1771 rename ...
1772 * tree-vectorizer.c (vect_loops_num): ... new name.
1773 * tree-vectorizer.h (vect_loops_num): New.
1775 2005-04-11 Devang Patel <dpatel@apple.com>
1777 * tree-vect-analyze.c (vect_analyze_operations): Check
1778 vectorizable codition.
1779 * tree-vect-transform.c (vect_is_simple_cond): New function.
1780 (vectorizable_condition): New function.
1781 (vect_transform_stmt): Handle condition_vec_info_type.
1782 * tree-vectorizer.h (enum stmt_vec_info_type): Add
1783 condition_vec_info_type.
1784 (vectorizable_condition): New.
1786 2005-04-11 Geoffrey Keating <geoffk@apple.com>
1788 * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
1789 * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
1790 * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
1792 * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
1793 (SUBTARGET_EXTRA_SPECS): Always 'i386'.
1795 * dwarf2out.c (output_line_info): Don't try to dereference
1796 a NULL current_function_decl.
1798 * config/t-slibgcc-darwin: Don't put shared libraries in
1799 directories other than $(slibdir).
1800 * config/rs6000/darwin.h: Find -m64 libgcc under the name the
1801 OS uses for it.
1803 2005-04-11 Diego Novillo <dnovillo@redhat.com>
1805 PR tree-optimization/20933
1806 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
1807 logic to reject aliases between read-only and writable
1808 variables ...
1809 (may_alias_p): ... here.
1810 (get_tmt_for): Do not associate read-only tags to pointers
1811 whose pointed-to type is not read-only.
1812 * tree-ssa.c (verify_ssa): Check that memory stores have at
1813 least one V_MAY_DEF or V_MUST_DEF.
1815 2005-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 PR/17092
1818 * configure.ac (gcc_UNLOCKED_FUNCS): New.
1819 (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1820 * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1821 fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1822 _unlocked function.
1823 (fwrite_unlocked): Fix prototype.
1825 * configure, config.in: Regenerate.
1827 2005-04-11 David Edelsohn <edelsohn@gnu.org>
1829 * tree-ssa-loop-im.c: Include real.h.
1830 (determine_invariantness_stmt): If real division divisor is
1831 invariant and flag_unsafe_math_optimizations enabled, generate
1832 invariant reciprocal for hoisting.
1833 * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1835 2005-04-11 Daniel Berlin <dberlin@dberlin.org>
1837 Fix PR tree-optimization/20926
1839 * tree-ssa-alias.c (add_type_alias): Handle subvars.
1841 2005-04-11 Devang Patel <dpatel@apple.com>
1843 * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1844 operand ordering.
1846 2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
1848 * fold-const.c (fold_binary_op_with_conditional_arg):
1849 use fold_buildN instead of "fold (buildN" in some
1850 non obvious places.
1851 (fold_unary): Likewise.
1852 (fold_binary): Likewise.
1854 2005-04-11 Daniel Berlin <dberlin@dberlin.org>
1856 Fix PR tree-optimization/20612
1857 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1858 handling
1859 (perfect_nestify): preheaderbb is *not* part of loop of the
1860 old destination.
1862 2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
1864 * tree-ssa-alias.c (may_alias_p): If the variable
1865 is a global variable and the pointer is parameter
1866 and -fargument-noalias-global is used, then
1867 the pointer cannot alias the variable.
1869 2005-04-11 James A. Morrison <phython@gcc.gnu.org>
1871 * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1872 * config/sparc/sparc.h: Likewise.
1873 * config/sparc/sparc.md: Likewise.
1875 2005-04-11 Kazu Hirata <kazu@cs.umass.edu>
1877 * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1879 * tree-vrp.c: Fix a comment typo.
1881 2005-04-11 Diego Novillo <dnovillo@redhat.com>
1883 PR tree-optimization/20920
1884 * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1885 SSA_NAME flows through an abnormal edge.
1886 * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1887 through abnormal edges.
1888 (maybe_add_assert_expr): Likewise.
1890 2005-04-11 Richard Sandiford <rsandifo@redhat.com>
1892 * config/s390/s390.h (s390_tune_string, s390_arch_string)
1893 (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1894 (s390_stack_size_string, s390_stack_guard_string, target_flags)
1895 (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1896 (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1897 (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1898 (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1899 (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1900 (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1901 (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1902 * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1903 (TARGET_HANDLE_OPTION): Likewise.
1904 (s390_tune): Initialize to PROCESSOR_max.
1905 (s390_arch_string): Make static.
1906 (s390_tune_string, s390_warn_framesize_string): Delete.
1907 (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1908 (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1909 (s390_handle_arch_option, s390_handle_option): New functions.
1910 (override_options): Remove parsing of option strings.
1911 * config/s390/s390.opt: New file.
1913 2005-04-11 Paolo Bonzini <bonzini@gnu.org>
1915 * tree-complex.c (expand_vector_operations): Call
1916 update_stmt_if_modified.
1918 2005-04-11 Paolo Bonzini <bonzini@gnu.org>
1920 * tree-vect-analyze (vect_determine_vectorization_factor):
1921 Do not use GET_MODE_NUNITS.
1922 * tree-vect-transform.c (vect_get_vec_def_for_operand,
1923 (vectorizable_load, vect_transform_loop): Likewise.
1925 2005-04-11 Uros Bizjak <uros@kss-loka.si>
1927 * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1928 (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1929 * optabs.h (enum optab_index): Add new OTI_lceil.
1930 (lceil_optab): Define corresponding macro.
1931 * optabs.c (init_optabs): Initialize lceil_optab.
1932 * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1933 and lceildi2 patterns.
1934 * builtins.c (expand_builtin_int_roundingfn): Handle
1935 BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1936 (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1937 BUILT_IN_LLCEIL{,F,L}.
1938 (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1939 BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1940 (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1941 (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1942 BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1943 * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1944 into lceil built-in function and (long long int)ceil{,f,l} into
1945 llceil built-in function.
1946 * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1947 BUILT_IN_LLCEIL.
1949 2005-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1951 * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1952 zero.
1954 2005-04-10 Kazu Hirata <kazu@cs.umass.edu>
1956 * config/arm/arm.c: Fix a comment typo.
1957 * doc/tree-ssa.texi: Fix a typo.
1959 2005-04-10 Steven Bosscher <stevenb@suse.de>
1961 * cselib.c (clear_table): Rename to cselib_clear_table.
1962 * cselib.h (cselib_clear_table): Add prototype.
1963 * gcse.c (gcse_main): Make 'f' argument unused.
1964 (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1965 of each basic block instead.
1966 (compute_sets, compute_hash_table_work): Likewise.
1967 (constprop_register): Change int 'alter_jumps' argument to bool.
1968 (do_local_cprop): Likewise.
1969 (local_cprop_pass): Likewise. Also walk basic blocks instead of
1970 the insn chain. Explicitly clear the cselib tables after finishing
1971 one basic block. Make sure there are no unterminated libcall blocks.
1972 Update compute_sets call.
1973 (cprop): Walk basic blocks instead of the insn chain.
1974 (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1975 Likewise.
1976 (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1977 one_cprop_pass calls.
1979 2005-04-10 Richard Sandiford <rsandifo@redhat.com>
1981 * combine.c (combine_simplify_rtx): Remove a transformation that
1982 relies on an invalid assumption about rtl sign-extension semantics.
1984 2005-04-10 Richard Sandiford <rsandifo@redhat.com>
1986 * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1987 to build_int_cst_wide.
1989 2005-04-09 Alexandre Oliva <aoliva@redhat.com>
1991 PR target/20126
1992 * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1993 set the original address pseudo to the correct value before the
1994 original insn, if possible, and leave the insn alone, otherwise
1995 create a new pseudo, set it and replace it in the insn.
1996 * recog.c (validate_change_maybe_volatile): New.
1997 * recog.h (validate_change_maybe_volatile): Declare.
1999 2005-04-09 Caroline Tice <ctice@apple.com>
2001 * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2002 Remove targetm.have_named_sections test.
2003 (fix_edges_for_rarely_executed_code): Likewise.
2004 (insert_section_boundary_note): Likewise.
2005 (reorder_basic_blocks): Check partitioning flag before calling
2006 verify_hot_cold_block_grouping.
2007 * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2008 the function struct rather than global variables.
2009 * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2010 (COLD_END_LABEL): Likewise
2011 (cold_text_section_label): New static global variable.
2012 (cold_end_label): Likewise.
2013 (dwarf2out_switch_text_section): Get hot/cold section labels from
2014 the function struct rather than global variables.
2015 (output_aranges): Use cold_text_section_label and cold_end_label;
2016 check partitioning flag before putting out delta.
2017 (output_ranges): Remove incorrect code attempting to use
2018 hot/cold labels.
2019 (output_line_info): Get cold section label from function struct.
2020 (add_location_or_const_value_attribute): Likewise.
2021 (get_subprogram_die): Get hot/cold section labels from function struct.
2022 (dwarf2out_var_location): Likewise.
2023 (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2024 write out cold_text_section_label if partition flag is set.
2025 (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2026 * function.h (struct function): Add new fields to point to hot/cold
2027 section labels: hot_section_label, cold_section_label,
2028 hot_section_end_label and cold_section_end_label; also add new field
2029 for cold text section name, unlikely_text_section_name.
2030 * opts.c (decode_options): Turn off partitioning flag if
2031 !targetm.have_named_sections.
2032 * output.h (hot_section_label): Remove.
2033 (hot_section_end_label): Remove.
2034 (cold_section_end_label): Remove.
2035 (unlikely_section_label): Remove.
2036 (unlikely_text_section_name): Remove.
2037 * passes.c (rest_of_handle_final): Remove code that frees
2038 unlikely_text_section_name.
2039 * varasm.c (unlikely_section_label): Remove.
2040 (hot_section_label): Remove.
2041 (hot_section_end_label): Remove.
2042 (cold_section_end_label): Remove.
2043 (unlikely_text_section_name): Remove.
2044 (initialize_cold_section_name): Modify to call
2045 targetm.strip_name_encoding; to store cold section name in current
2046 function struct, if it exists; and to only use the decl_section_name
2047 if flag_named_sections is true.
2048 (unlikely_text_section): Modify to get section name out of current
2049 function struct, if there is one; otherwise build it from
2050 UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2051 (in_unlikely_text_section): Likewise.
2052 (named_section): Modify to get/put cold section name in current function
2053 struct, if there is one.
2054 (function_section): Change 'bool unlikely' to 'int reloc'; check
2055 targetm.have_named_sections before calling named_section.
2056 (current_function_section): Likewise.
2057 (assemble_start_function): Modify to get/put unlikely_text_section_name
2058 in current function struct; modify to get hot/cold section labels
2059 from function struct; initialize labels using
2060 ASM_GENERATE_INTERNAL_LABEL;
2061 test partitioning flag before writing out hot section label.
2062 (assemble_end_function): Test partitioning flag before writing out
2063 hot/cold section labels.
2064 (default_section_type_flags_1): Modify to use array instead of
2065 char* for unlikely_text_section_name; set flags correctly for
2066 cold text section if there is not a current function decl.
2068 2005-04-09 Jakub Jelinek <jakub@redhat.com>
2070 * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2071 and TI_VA_LIST_FPR_COUNTER_FIELD.
2072 (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2073 * tree-pass.h (pass_stdarg): Add.
2074 * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2075 * tree-stdarg.c: New file.
2076 * tree-stdarg.h: New file.
2077 * Makefile.in (OBJS-common): Add tree-stdarg.o.
2078 (tree-stdarg.o): Add dependencies.
2079 * function.h (struct function): Add va_list_gpr_size and
2080 va_list_fpr_size fields.
2081 * function.c (allocate_struct_function): Initialize them.
2082 * target.h (struct gcc_target): Add stdarg_optimize_hook.
2083 * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2084 (TARGET_INITIALIZER): Add it.
2086 * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2087 va_list_{g,f}pr_counter_field.
2088 (ix86_setup_incoming_varargs): Don't do anything if reg_save
2089 area will not be used. Only save registers that tree-stdarg.c
2090 detected they need saving.
2091 (ix86_va_start): Don't set up fields that won't be used.
2093 * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2094 va_list_{g,f}pr_counter_field.
2095 (setup_incoming_varargs): Don't do anything if reg_save
2096 area will not be used. Only save registers that tree-stdarg.c
2097 detected they need saving.
2098 (rs6000_va_start): Don't set up fields that won't be used.
2100 * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2101 (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2102 (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2103 (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2105 2005-04-09 Jakub Jelinek <jakub@redhat.com>
2107 PR target/20795
2108 * config/i386/i386.c (construct_container): Pass empty aligned
2109 struct, union or class in memory.
2111 2005-04-09 Kazu Hirata <kazu@cs.umass.edu>
2113 * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2114 tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2115 config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2116 config/rs6000/predicates.md: Fix comment typos.
2118 * sched-int.h (haifa_insn_data): Remove blockage and units.
2119 (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2120 ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2121 MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2123 2005-04-09 Jan Hubicka <jh@suse.cz>
2124 Steven Bosscher <stevenb@suse.de>
2126 * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2127 * cfgloop.c (get_loop_exit_edges): Likewise.
2128 * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2129 (unloop): Likewise.
2130 * loop-unroll.c (analyze_insns_in_loop): Likewise.
2131 * tree-cfg.c (dump_cfg_status): Likewise.
2133 2005-04-09 David Edelsohn <edelsohn@gnu.org>
2135 * config/rs6000/predicates.md (altivec_register_operand): Remove
2136 redundant match_code test.
2137 (gpc_reg_operand): Same.
2138 (cc_reg_operand): Same.
2139 (cc_reg_not_cr0_operand): Same.
2141 2005-04-09 Jan Hubicka <jh@suse.cz>
2143 Forgotten hunk from my last merge patch:
2144 * final.c (output_addr_const): Do not call mark_referenced.
2146 2005-04-09 Andrew MacLeod <amacleod@redhat.com>
2148 * doc/tree-ssa.texi: Add immediate use documentation.
2150 2005-04-09 Richard Earnshaw <richard.earnshaw@arm.com>
2152 * arm.c (FL_WBUF): Define.
2153 (arm_tune_strongarm): Renamed from arm_is_strong. All uses changed.
2154 (arm_is_6_or_7): Delete.
2155 (arm_tune_wbuf): New.
2156 (arm_override_options): Set arm_tune_wbuf.
2157 * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2158 (arm_is_6_or_7): Delete declaration.
2159 (arm_tune_wbuf): New declartion.
2160 * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2161 (model_wbuf): Derive from arm_tune_wbuf.
2162 * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2163 (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2164 (arm740t): Mark CPUs as having a write buffer.
2166 2005-04-09 Uros Bizjak <uros@kss-loka.si>
2168 * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2169 of 'const_double_operand' in operand 2 constraints. Update enable
2170 condition.
2172 2005-04-09 Uros Bizjak <uros@kss-loka.si>
2174 * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2175 (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2176 * optabs.h (enum optab_index): Add new OTI_lfloor.
2177 (lfloor_optab): Define corresponding macro.
2178 * optabs.c (init_optabs): Initialize lfloor_optab.
2179 * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2180 and lfloordi2 patterns.
2181 * builtins.c (expand_builtin_int_roundingfn): New prototype.
2182 (expand_builtin_int_roundingfn): New function.
2183 (fold_builtin_int_roundingfn): New prototype.
2184 (fold_builtin_int_roundingfn): New function, renamed from
2185 fold_builtin_lround.
2186 Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2187 BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2188 (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2189 BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2190 (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2191 (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2192 BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2193 * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2194 into lfloor built-in function and (long long int)floor{,f,l} into
2195 llfloor built-in function.
2196 * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2197 BUILT_IN_LLFLOOR.
2199 2005-04-08 Ian Lance Taylor <ian@airs.com>
2201 * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2202 CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2203 * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2204 (DO_COND, DO_BODY): Likewise.
2205 (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2206 (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2207 (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2208 BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2209 (build_continue_stmt, build_break_stmt): Don't declare.
2210 (c_do_switch_warnings): Update declaration.
2211 * c-gimplify.c (enum bc_t): Remove.
2212 (struct c_gimplify_ctx, ctxp): Remove.
2213 (push_context, pop_context): Remove static functions.
2214 (c_genericize): Don't call push_context or pop_context.
2215 (begin_bc_block, finish_bc_block): Remove static functions.
2216 (build_bc_goto): Likewise.
2217 (gimplify_c_loop): Likewise.
2218 (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2219 (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2220 (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2221 DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2222 * c-common.c (c_do_switch_warnings): Rename from
2223 c_do_switch_warnings_1.
2224 (c_do_switch_warnings) [old version]: Remove.
2225 (c_do_switch_expr_warnings): Remove.
2226 * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2227 function instead of c_do_switch_expr_warnings.
2228 * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2229 CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2230 * c-pretty-print.c (pp_c_statement): Likewise.
2231 * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2233 2005-04-08 Devang Patel <dpatel@apple.com>
2235 * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2236 While selecting replacement condition pay attention to loop header.
2238 2005-04-08 Diego Novillo <dnovillo@redhat.com>
2240 Merge from tree-cleanup-branch: VRP, store CCP, store
2241 copy-prop, incremental SSA updating of FUD chains and
2242 newly exposed symbols.
2244 * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2245 (OBJS-common): Add tree-vrp.o.
2246 (tree-vrp.o): New rule.
2247 * basic-block.h (nearest_common_dominator_for_set): Declare.
2248 * common.opt (ftree-store-ccp): New flag.
2249 (ftree-copy-prop): New flag.
2250 (ftree-vrp): New flag.
2251 (ftree-store-copy-prop): New flag.
2252 * dominance.c (nearest_common_dominator_for_set): New.
2253 * domwalk.c (walk_dominator_tree): Only traverse
2254 statements in blocks marked in walk_data->interesting_blocks.
2255 * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2256 * fold-const.c (fold): Handle ASSERT_EXPR.
2257 * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2258 Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2259 flag_tree_vrp at -O2.
2260 * timevar.def (TV_TREE_VRP): Define.
2261 (TV_TREE_COPY_PROP): Define.
2262 (TV_TREE_STORE_COPY_PROP): Define.
2263 (TV_TREE_SSA_INCREMENTAL): Define.
2264 (TV_TREE_STORE_CCP): Define.
2265 * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2266 to kill_redundant_phi_nodes from comment.
2267 (verify_expr): Handle ASSERT_EXPR.
2268 * tree-dfa.c (mark_new_vars_to_rename): Remove second
2269 argument. Update all users.
2270 (mark_call_clobbered_vars_to_rename): Remove. Update all
2271 users.
2272 * tree-flow-inline.h (unmodifiable_var_p): New.
2273 * tree-flow.h (enum value_range_type): Declare.
2274 (struct value_range_def): Declare.
2275 (value_range): Declare.
2276 (remove_all_phi_nodes_for): Remove. Update all users.
2277 (find_phi_node_for): Declare.
2278 (add_type_alias): Declare.
2279 (count_uses_and_derefs): Declare.
2280 (kill_redundant_phi_nodes): Remove.
2281 (rewrite_into_ssa): Remove.
2282 (rewrite_def_def_chains): Remove.
2283 (update_ssa, register_new_name_mapping, create_new_def_for,
2284 need_ssa_update_p, name_registered_for_update_p,
2285 release_ssa_name_after_update_ssa, dump_repl_tbl,
2286 debug_repl_tbl, dump_names_replaced_by,
2287 debug_names_replaced_by, mark_sym_for_renaming,
2288 mark_set_for_renaming, get_current_def, set_current_def,
2289 get_value_range, dump_value_range, debug_value_range,
2290 dump_all_value_ranges, debug_all_value_ranges,
2291 expr_computes_nonzero, loop_depth_of_name,
2292 unmodifiable_var_p): Declare.
2293 * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2294 ASSERT_EXPR.
2295 * tree-into-ssa.c (block_defs_stack): Update comment.
2296 (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2297 syms_to_rename, names_to_release, repl_tbl,
2298 need_to_initialize_update_ssa_p, need_to_update_vops_p,
2299 need_to_replace_names_p): New locals.
2300 (NAME_SETS_GROWTH_FACTOR): Define.
2301 (struct repl_map_d): Declare.
2302 (struct mark_def_sites_global_data): Add field
2303 interesting_blocks.
2304 (enum rewrite_mode): Declare.
2305 (REGISTER_DEFS_IN_THIS_STMT): Define.
2306 (compute_global_livein): Use last_basic_block instead of
2307 n_basic_blocks.
2308 (set_def_block): Remove last argument. Update all callers.
2309 (prepare_use_operand_for_rename): Remove. Update all callers.
2310 (prepare_def_operand_for_rename): Remove. Update all callers.
2311 (symbol_marked_for_renaming): New.
2312 (is_old_name): New.
2313 (is_new_name): New.
2314 (repl_map_hash): New.
2315 (repl_map_eq): New.
2316 (repl_map_free): New.
2317 (names_replaced_by): New.
2318 (add_to_repl_tbl): New.
2319 (add_new_name_mapping): New.
2320 (mark_def_sites): Assume that all the operands in the
2321 statement are in normal form.
2322 (find_idf): Assert that the block in the stack is valid.
2323 (get_default_def_for): New.
2324 (insert_phi_nodes_for): Add new argument 'update_p'.
2325 Add documentation.
2326 If update_p is true, add a new mapping between the LHS of
2327 each new PHI and the name that it replaces.
2328 (insert_phi_nodes_1): Only call find_idf if needed.
2329 (get_reaching_def): Call get_default_def_for.
2330 (rewrite_operand): Remove.
2331 (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2332 and REWRITE_THIS_STMT are false.
2333 Assume that all the operands in the statement are in
2334 normal form.
2335 (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2336 (rewrite_virtual_phi_arguments): Remove.
2337 (invalidate_name_tags): Remove.
2338 (register_new_update_single, register_new_update_set,
2339 rewrite_update_init_block, replace_use,
2340 rewrite_update_fini_block, rewrite_update_stmt,
2341 rewrite_update_phi_arguments): New.
2342 rewrite_blocks): Remove argument 'fix_virtual_phis'.
2343 Add arguments 'entry', 'what' and 'blocks'.
2344 Initialize the dominator walker according to 'what' and
2345 'blocks'.
2346 Start the dominator walk at 'entry'.
2347 (mark_def_site_blocks): Add argument 'interesting_blocks'.
2348 Use it to configure the dominator walker.
2349 (rewrite_into_ssa): Remove argument 'all'.
2350 Make internal.
2351 (rewrite_all_into_ssa): Remove.
2352 (rewrite_def_def_chains): Remove.
2353 (mark_def_interesting, mark_use_interesting,
2354 prepare_phi_args_for_update, prepare_block_for_update,
2355 prepare_def_site_for, prepare_def_sites,
2356 dump_names_replaced_by, debug_names_replaced_by,
2357 dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2358 delete_update_ssa, create_new_def_for,
2359 register_new_name_mapping, mark_sym_for_renaming,
2360 mark_set_for_renaming, need_ssa_update_p,
2361 name_registered_for_update_p, ssa_names_to_replace,
2362 release_ssa_name_after_update_ssa,
2363 insert_updated_phi_nodes_for, update_ssa): New.
2364 * tree-loop-linear.c (linear_transform_loops): Call
2365 update_ssa instead of rewrite_into_ssa.
2366 * tree-optimize.c (vars_to_rename): Remove.
2367 Update all users.
2368 (init_tree_optimization_passes): Replace
2369 pass_redundant_phi with pass_copy_prop.
2370 Add pass_vrp.
2371 Replace pass_ccp with pass_store_ccp.
2372 Add pass_store_copy_prop after pass_store_ccp.
2373 (execute_todo): If the TODO_ flags don't include updating
2374 the SSA form, assert that it does not need to be updated.
2375 Call update_ssa instead of rewrite_into_ssa and
2376 rewrite_def_def_chains.
2377 If TODO_verify_loops is set, call verify_loop_closed_ssa.
2378 (tree_rest_of_compilation):
2379 * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
2380 TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
2381 TODO_cleanup_cfg): Renumber.
2382 (TODO_verify_loops, TODO_update_ssa,
2383 TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2384 TODO_update_ssa_only_virtuals): Define.
2385 (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
2386 Declare.
2387 * tree-phinodes.c (make_phi_node): Update documentation.
2388 (remove_all_phi_nodes_for): Remove.
2389 (find_phi_node_for): New.
2390 * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
2391 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
2392 (interpret_rhs_modify_expr): Likewise.
2393 * tree-sra.c (decide_instantiations): Mark all symbols in
2394 SRA_CANDIDATES for renaming.
2395 (mark_all_v_defs_1): Rename from mark_all_v_defs.
2396 (mark_all_v_defs): New function. Update all users to call it
2397 with the whole list of scalarized statements, not just the
2398 first one.
2399 * tree-ssa-alias.c (count_ptr_derefs): Make extern.
2400 (compute_flow_insensitive_aliasing): If the tag is
2401 unmodifiable and the variable isn't or vice-versa, don't
2402 make them alias of each other.
2403 (setup_pointers_and_addressables): If the type tag for
2404 VAR is about to change, mark the old one for renaming.
2405 (add_type_alias): New.
2406 * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
2407 (ccp_lattice_t): Rename from latticevalue.
2408 (value): Remove. Update all users.
2409 (const_val): New local variable.
2410 (do_store_ccp): New local variable.
2411 (dump_lattice_value): Handle UNINITIALIZED.
2412 (debug_lattice_value): New.
2413 (get_default_value): Re-write.
2414 (set_lattice_value): Re-write.
2415 (def_to_varying): Remove. Update all users.
2416 (likely_value): Return VARYING for statements that make
2417 stores when STORE_CCP is false.
2418 Return VARYING for any statement other than MODIFY_EXPR,
2419 COND_EXPR and SWITCH_EXPR.
2420 (ccp_initialize): Re-write.
2421 (replace_uses_in, replace_vuse_in, substitute_and_fold):
2422 Move to tree-ssa-propagate.c.
2423 (ccp_lattice_meet): Handle memory stores when
2424 DO_STORE_CCP is true.
2425 (ccp_visit_phi_node): Likewise.
2426 (ccp_fold): Likewise.
2427 (evaluate_stmt): Likewise.
2428 (visit_assignment): Likewise.
2429 (ccp_visit_stmt): Likewise.
2430 (execute_ssa_ccp): Add argument 'store_ccp'. Copy it
2431 into DO_STORE_CCP.
2432 (do_ssa_ccp): New.
2433 (pass_ccp): Use it.
2434 (do_ssa_store_ccp): New.
2435 (gate_store_ccp): New.
2436 (pass_store_ccp): Declare.
2437 * tree-ssa-copy.c: Include tree-ssa-propagate.h.
2438 (may_propagate_copy): Reformat.
2439 Don't abort if ORIG is a virtual and DEST isn't.
2440 If NEW does not have alias information but DEST does,
2441 copy it.
2442 (copy_of, cached_last_copy_of, do_store_copy_prop, enum
2443 copy_prop_kind, which_copy_prop): Declare.
2444 (stmt_may_generate_copy, get_copy_of_val,
2445 get_last_copy_of, set_copy_of_val, dump_copy_of,
2446 copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
2447 copy_prop_visit_stmt, copy_prop_visit_phi_node,
2448 init_copy_prop, fini_copy_prop, execute_copy_prop,
2449 gate_copy_prop, do_copy_prop, gate_store_copy_prop,
2450 store_copy_prop): New.
2451 (pass_copy_prop, pass_store_copy_prop): Declare.
2452 * tree-ssa-dom.c (struct opt_stats_d): Add fields
2453 'num_const_prop' and 'num_copy_prop'.
2454 (cprop_operand): Update them.
2455 (dump_dominator_optimization_stats): Dump them.
2456 (tree_ssa_dominator_optimize): Call update_ssa instead of
2457 rewrite_into_ssa.
2458 (loop_depth_of_name): Declare extern.
2459 (simplify_cond_and_lookup_avail_expr): Guard against NULL
2460 values for LOW or HIGH.
2461 (cprop_into_successor_phis): Only propagate if NEW != ORIG.
2462 (record_equivalences_from_stmt): Call expr_computes_nonzero.
2463 (cprop_operand): Only propagate if VAL != OP.
2464 * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
2465 statement for renaming.
2466 * tree-ssa-loop-im.c (move_computations): Call update_ssa.
2467 * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
2468 add_type_alias if necessary.
2469 Call mark_new_vars_to_rename.
2470 (tree_ssa_iv_optimize): If new symbols need to be renamed,
2471 mark every statement updated, call update_ssa and
2472 rewrite_into_loop_closed_ssa.
2473 * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
2474 from LIVEIN if VAR is a virtual.
2475 * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
2476 * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
2477 (get_call_expr_operands): Reformat statement.
2478 (add_stmt_operand): Don't create V_MAY_DEFs for read-only
2479 symbols.
2480 * tree-ssa-propagate.c (ssa_prop_init): Initialize
2481 SSA_NAME_VALUE for every name.
2482 (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2483 get_value_loaded_by): New.
2484 (replace_uses_in, replace_vuses_in, replace_phi_args_in,
2485 substitute_and_fold): Move from tree-ssa-ccp.c.
2486 * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
2487 first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2488 get_value_loaded_by, replace_uses_in, substitute_and_fold):
2489 Declare.
2490 * tree-ssa.c (verify_use): Fix error message.
2491 (propagate_into_addr, replace_immediate_uses, get_eq_name,
2492 check_phi_redundancy, kill_redundant_phi_nodes,
2493 pass_redundant_phi): Remove. Update all users.
2494 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2495 add_type_alias, if necessary.
2496 * tree-vectorizer.h (struct _stmt_vect_info): Update
2497 documentation for field 'memtag'.
2498 * tree-vrp.c: New file.
2499 * tree.def (ASSERT_EXPR): Define.
2500 * tree.h (ASSERT_EXPR_VAR): Define.
2501 (ASSERT_EXPR_COND): Define.
2502 (SSA_NAME_VALUE_RANGE): Define.
2503 (struct tree_ssa_name): Add field 'value_range'.
2504 (PHI_REWRITTEN): Remove.
2505 (struct tree_phi_node): Remove field 'rewritten'.
2506 * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
2507 -ftree-store-copy-prop): Document.
2508 * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
2509 Document usage of update_ssa.
2511 2005-04-08 David Edelsohn <edelsohn@gnu.org>
2513 PR target/20814
2514 * config/rs6000/predicates.md (altivec_register_operand): Accept
2515 SUBREG.
2516 (and64_operand): Do not limit CONST_INT to mask64_operand.
2517 (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
2518 (and_operand): Do not limit CONST_INT to mask_operand.
2520 2005-04-09 Hans-Peter Nilsson <hp@axis.com>
2522 PR rtl-optimization/20466
2523 * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
2524 for overlap of the address of each list member.
2525 (mark_set_1): Call invalidate_mems_from_set for MEMs too.
2527 2005-04-08 Mike Stump <mrs@apple.com>
2529 * config/darwin.c (indirect_data): Fix typo in strncmp logic.
2531 * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
2532 instead of 4.
2534 2005-04-08 Kazu Hirata <kazu@cs.umass.edu>
2536 * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
2538 * function.c (push_function_context_to): Don't set
2539 contains_functions.
2540 * function.h (function): Remove contains_functions.
2541 (current_function_contains_functions): Remove.
2543 * function.h (function): Remove instrument_entry_exit.
2544 (current_function_instrument_entry_exit): Remove.
2546 * function.h (nonlocal_labels): Remove.
2548 * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
2550 * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
2551 (check_attr_value, write_attr_get, write_expr_attr_cache,
2552 find_attr, make_internal_attr): Don't reference negative_ok or
2553 unsigned_p.
2554 * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
2555 ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
2556 (ATTR_STATIC): Adjust the value.
2558 * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
2560 2005-04-08 Ulrich Weigand <uweigand@de.ibm.com>
2562 * config/s390/tpf.h (ASM_SPEC): Define.
2564 2005-04-08 Kazu Hirata <kazu@cs.umass.edu>
2566 * tree-flow.h: Remove the prototype for
2567 redirect_immediate_uses.
2568 (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
2570 2005-04-08 Richard Earnshaw <richard.earnshaw@arm.com>
2572 * arm.c (arm_const_double_by_parts): New function.
2573 * arm-protos.h (arm_const_double_by_parts): Add prototype.
2574 * arm.md (define_split for 64-bit constants): Add another one.
2576 2005-04-08 Andrew MacLeod <amacleod@redhat.com>
2578 * tree-ssa-operands.c (correct_use_link): Remove linear scan.
2580 2005-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2582 * system.h: Revert last change.
2584 2005-04-08 Richard Sandiford <rsandifo@redhat.com>
2586 * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
2587 (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
2588 (TARGET_SWITCHES): Delete.
2589 * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2590 * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
2591 TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
2592 * config/xtensa/xtensa.opt: New file.
2594 2005-04-08 Ben Elliston <bje@au.ibm.com>
2596 * config/fp-bit.c: Include L_mul_tf in #endif comment.
2597 * config/fp-bit.h: Tidy comments.
2599 2005-04-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2601 * system.h: Poison PARAMS.
2603 2005-04-07 Richard Sandiford <rsandifo@redhat.com>
2605 * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
2606 (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
2607 (TARGET_SWITCHES): Delete.
2608 * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2609 * config/vax/vax.opt: New file.
2611 2005-04-07 Daniel Berlin <dberlin@dberlin.org>
2613 * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
2615 2005-04-07 Ian Lance Taylor <ian@airs.com>
2617 * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
2618 define.
2619 * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
2620 * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
2621 Likewise.
2623 2005-04-07 Kazu Hirata <kazu@cs.umass.edu>
2625 * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
2626 all immediate uses in PHI nodes.
2628 2005-04-07 Richard Earnshaw <richard.earnshaw@arm.com>
2630 * arm.c (arm_const_double_inline_cost): Handle any constant by
2631 using gen_lowpart and gen_highpart_mode.
2632 (note_invalid_constants): All constants in an RTX with a constraint
2633 that permits memory are now pushed to the constant pool.
2634 (output_move_double): Delete code to handle reg to reg and
2635 constant to reg moves.
2636 (const_double_needs_minipool, output_mov_immediate): Delete.
2637 * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
2638 CONST_INT and CONST_VECTOR.
2639 * arm.md (ANY64): New mode macro.
2640 (arm_movdi): Split reg-reg and const-reg moves. Simplify constraints.
2641 (movdf_soft_insn): Split reg-reg and const-reg moves.
2642 (split patterns for 64-bit constant and register moves): New.
2643 * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
2644 (cirrus_movdf_hard_insn): Likewise.
2645 * fpa.md (movdf_fpa): Likewise.
2646 * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
2647 (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
2648 constraints.
2649 (movv2si_internal_2): Likewise.
2650 * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
2651 (movdf_vfp): Likewise.
2652 * arm-protos.h (output_mov_immediate): Delete prototype.
2654 2005-04-07 Joseph S. Myers <joseph@codesourcery.com>
2656 PR target/20093
2657 * simplify-rtx.c (simplify_unary_operation_1): Check
2658 SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
2660 2005-04-06 James E Wilson <wilson@specifixinc.com>
2662 PR target/20717
2663 * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
2664 ADDR_EXPR.
2666 2004-04-06 Richard Sandiford <rsandifo@redhat.com>
2668 * coverage.h (GCOV_TYPE_NODE): Delete.
2669 * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
2670 (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
2671 * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
2672 (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
2673 * value-prof.c (tree_divmod_fixed_value_transform): Delete.
2675 2004-04-06 Richard Sandiford <rsandifo@redhat.com>
2677 PR other/20792
2678 * Makefile.in (gcc.pot): Remove options.c dependency.
2679 * optc-gen.awk: Don't quote help strings with N_().
2681 2005-04-06 James A. Morrison <phython@gcc.gnu.org>
2683 * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
2684 the function returns a pointer type.
2686 2005-04-06 Daniel Berlin <dberlin@dberlin.org>
2688 * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
2689 * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
2690 * doc/invoke.texi: Documnet salias-max-implicit-fields.
2691 * tree-ssa-alias.c (struct used_part): Add implicit_uses and
2692 explicit_uses members.
2693 (get_or_create_used_part_for): Initialize new fields.
2694 (fieldoff_compare): New function.
2695 (create_overlap_variables_for): Count number of fields, use
2696 heuristic to determine whether to create subvars for vars with
2697 only implicit uses.
2698 Sort the field list by offset and avoid creating duplicate SFT's.
2700 2005-04-06 Richard Sandiford <rsandifo@redhat.com>
2702 * c.opt (-F): Remove trailing whitespace from help string.
2703 (-finput-charset): Use a tab to separate the switch name and help
2704 string.
2705 * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
2706 (-ftree-vectorizer-verbose): Likewise.
2708 2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
2710 * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
2711 a PHI argument where a use occurs instead of all PHI arguments.
2713 2005-04-06 Joseph S. Myers <joseph@codesourcery.com>
2715 * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
2716 scope.
2718 2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
2720 * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
2721 tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
2722 config/bfin/bfin.h: Fix comment typos.
2724 2005-04-06 Ranjit Mathew <rmathew@hotmail.com>
2726 * doc/install.texi: Update the URL for Jacks.
2727 * doc/sourcebuild.texi: Likewise.
2729 2005-04-06 Eric Botcazou <ebotcazou@libertysurf.fr>
2731 PR target/17245
2732 * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
2733 Revert 2004-10-08 patch. Reject TFmode LO_SUM in 32-bit mode.
2735 2005-04-06 Kelley Cook <kcook@gcc.gnu.org>
2737 * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
2739 2005-04-06 Richard Sandiford <rsandifo@redhat.com>
2741 * config/v850/v850-protos.h (override_options): Delete.
2742 * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
2743 (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
2744 (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
2745 (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
2746 (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
2747 (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
2748 (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
2749 (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
2750 (OVERRIDE_OPTIONS): Delete.
2751 (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
2752 (small_memory_info): Remove the value field.
2753 (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
2754 TARGET_NO_APP_REGS.
2755 * config/v850/v850.c (small_memory): Remove the value field.
2756 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2757 (override_options): Delete.
2758 (v850_handle_memory_option, v850_handle_option): New functions.
2759 * config/v850/v850.opt: New file.
2761 2005-04-06 Geoffrey Keating <geoffk@apple.com>
2763 * config.host: Add a section for generic hosts, and a subsection
2764 for Darwin. Add a case for x86-darwin. Update ppc-darwin case.
2765 * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
2766 * config/host-darwin.h: New.
2767 * config/x-darwin: New.
2768 * config/i386/host-i386-darwin.c: New.
2769 * config/i386/x-darwin: New.
2770 * config/rs6000/host-darwin.c: Include host-darwin.h.
2771 (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
2772 (darwin_rs6000_gt_pch_use_address): Likewise.
2773 * config/rs6000/x-darwin: Change name of .o built, update
2774 dependencies for changes to rs6000/host-darwin.c.
2776 2005-04-06 Ralf Corsepius <ralf.corsepius@rtems.org>
2778 PR target/17824
2779 * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
2781 2005-04-06 Dorit Naishlos <dorit@il.ibm.com>
2783 * tree-vect-analyze.c (vect_analyze_loop_form): Call
2784 split_loop_exit_edge instead of loop_split_edge_with.
2786 2005-04-06 Paolo Bonzini <bonzini@gnu.org>
2788 * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
2789 UNSPEC_SET_VSCR): New constants, used throughout.
2790 (*andc3_v4sf): New.
2791 (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
2792 Replace with...
2793 (altivec_vspltis<VI_char>): ... this pattern, using
2794 a QImode const_int_operand for the immediate.
2795 (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
2796 define_expands.
2798 2005-04-06 Ralf Corsepius <ralf.corsepius@rtems.org>
2800 PR target/17822
2801 * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
2803 2005-04-06 Kelley Cook <kcook@gcc.gnu.org>
2805 * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
2807 2005-04-06 Ben Elliston <bje@au.ibm.com>
2809 * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
2810 DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
2811 macros as living in "this file" and not gcc.h.
2813 2005-04-06 Ben Elliston <bje@au.ibm.com>
2815 * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2816 -ftree-live_range_split. Perhaps renamed at some point?
2818 2005-04-06 Zdenek Dvorak <dvorakz@suse.cz>
2820 PR target/20625
2821 * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2822 (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2824 2005-04-06 Zdenek Dvorak <dvorakz@suse.cz>
2826 * tree-flow.h (number_of_iterations_cond): Declaration removed.
2827 * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2828 (number_of_iterations_special): New function.
2829 (number_of_iterations_exit): Use number_of_iterations_special.
2830 Use simplify_using_outer_evolutions only at -O3.
2831 (number_of_iterations_cond, tree_simplify_using_condition,
2832 simplify_using_initial_conditions, loop_niter_by_eval,
2833 compare_trees, can_count_iv_in_wider_type_bound,
2834 simplify_using_outer_evolutions): Use fold_build.
2836 2005-04-05 Thomas Fitzsimmons <fitzsim@redhat.com>
2838 * doc/install.texi (Configuration): Document --with-java-home.
2840 2005-04-05 Richard Henderson <rth@redhat.com>
2842 PR target/20342
2843 PR target/20447
2844 * config/i386/i386.c (print_operand): Handle vector zeros.
2845 (ix86_split_to_parts): Handle CONST_VECTOR.
2846 (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2847 (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2848 what modes to tie for MMX and SSE registers.
2849 * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2850 * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2851 to vector modes as well.
2852 * config/i386/predicates.md (const0_operand): Handle VOIDmode
2853 properly as an input mode.
2855 2005-04-05 Andrew MacLeod <amacleod@redhat.com>
2857 * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2859 2005-04-05 Andrew MacLeod <amacleod@redhat.com>
2861 * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2863 2005-04-05 Jakub Jelinek <jakub@redhat.com>
2865 * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2866 and local functions, set sse_nregs to 8 and float_in_sse.
2867 (function_arg_advance, function_arg): If float_in_sse, pass
2868 SFmode and DFmode arguments in SSE registers.
2869 * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2871 * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2872 of -funit-at-a-time.
2874 2005-04-05 Paolo Bonzini <bonzini@gnu.org>
2876 * config/i386/i386-protos.h (ix86_function_value): Accept two
2877 arguments, like the target macro.
2878 * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2879 * config/i386/i386.c (ix86_function_value): Accept the second
2880 argument of the target macro.
2881 (ix86_function_ok_for_sibcall): Pass a function pointer to
2882 ix86_function_value.
2883 (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2884 call to ix86_value_regno).
2885 (ix86_value_regno): Add support for returning floating point values
2886 in SSE registers.
2888 2005-04-05 Jakub Jelinek <jakub@redhat.com>
2890 PR tree-optimization/20076
2891 * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2892 that call __builtin_return or __builtin_apply_args.
2894 2005-04-05 Andrew MacLeod <amacleod@redhat.com>
2896 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2897 Use immediate use iterator.
2898 (stmt_is_bumper_for_loop): Use immediate use iterator.
2899 * predict.c (strip_builtin_expect): Use update_stmt.
2900 * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2901 on all elements of a STATEMENT_LIST.
2902 (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2903 (bsi_remove): Remove imm_use links and mark the stmt as modified.
2904 (bsi_replace): Mark stmt as modified and the update it.
2905 * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2906 (expand_complex_libcal): Call update_stmt.
2907 (expand_complex_comparison): Call mark_stmt_modified.
2908 (expand_complex_operations_1): Call update_stmt_if_modified.
2909 (expand_vector_operations_1): Call mark_stmt_modified.
2910 * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2911 compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2912 add_immediate_use, redirect_immediate_use,
2913 redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2914 dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2915 (mark_new_vars_to_rename): Call update_stmt.
2916 * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2917 * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2918 Ignore PHI nodes.
2919 (unmodify_stmt): Delete.
2920 (update_stmt): New. Force an update of a stmt.
2921 (update_stmt_if_modified): update a stmt if it is out of date.
2922 (get_stmt_operands): Verify stmt is NOT modified.
2923 (stmt_modified_p): Update comment.
2924 (delink_imm_use): Remove a use node from its immuse list.
2925 (link_imm_use_to_list): Link a use node to a specific list.
2926 (link_imm_use): Link a node to the correct list.
2927 (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2928 it in the correct list, if appropriate.
2929 (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2930 (relink_imm_use): Link a use node in place of another node in a list.
2931 (relink_imm_use_stmt): LInk a node in place of another node, and set
2932 the stmt pointer.
2933 (end_safe_imm_use_traverse): New. Terminate a safe immuse iterator.
2934 (end_safe_imm_use_p): New. Check for the end of a safe immuse iterator.
2935 (first_safe_imm_use): New. Initialize a safe immuse iterator.
2936 (next_safe_imm_use): New. Proceed to next safe immuse iterator value.
2937 (end_readonly_imm_use_p): New. Check for end of a fast immuse iterator.
2938 (first_readonly_imm_use): New. Initialize a fast immuse iterator.
2939 (next_readonly_imm_use): New. Get the next fast immuse iterator value.
2940 (has_zero_uses): New. Return true if there are no uses of a var.
2941 (has_single_use): New. Return true if there is only a single use of a
2942 variable.
2943 (single_imm_use): New. Return the simgle immediate use.
2944 (num_imm_uses): New. Return the number of immediate uses.
2945 (get_v_must_def_ops): Use is now a pointer.
2946 (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2947 get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2948 the use node.
2949 (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2950 (delink_stmt_imm_use): Delink all immuses from a stmt.
2951 (phi_arg_index_from_use): New. Return a phi arg index for a use.
2952 * tree-flow.h (struct dataflow_d): Delete.
2953 (immediate_use_iterator_d): New. Immediate use iterator struct.
2954 (FOR_EACH_IMM_USE_FAST): New. Macro for read only immuse iteration.
2955 (FOR_EACH_IMM_USE_SAFE): New. Macro for write-safe immuse iteration.
2956 (BREAK_FROM_SAFE_IMM_USE): New. Macro for earlyu exit from write-safe
2957 iteration.
2958 (struct stmt_ann_d): Remove dataflow_t from struct.
2959 * tree-if-conv.c (tree_if_conversion). Don't call free_df.
2960 (if_convertible_phi_p): Use FAST immuse iterator.
2961 (if_convertible_loop_p): Don't call compute_immediate_uses.
2962 (replace_phi_with_cond_modify_expr): Call update_stmt.
2963 * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2964 update_stmt_if_modified.
2965 (rewrite_all_into_ssa): Initialize ssa operands.
2966 * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2967 compute_immediate_uses.
2968 * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2969 ssa_property is available.
2970 (execute_one_pass): Change parameters passed to execute_todo.
2971 * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2972 (remove_ssa_form): Call fini_ssa_operands.
2973 (insert_backedge_copies): Delete call to modify_stmt.
2974 * tree-phinodes.c (make_phi_node): Initialize use nodes.
2975 (release_phi_node): Delink any use nodes before releasing.
2976 (resize_phi_node): Relink any use nodes.
2977 (remove_phi_arg_num): Delink the use node.
2978 (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2979 (remove_all_phi_nodes_for): Release phi node first.
2980 * tree-pretty-print.c (dump_generic_node): Print stmt address.
2981 * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2982 (scalarize_use, scalarize_copy): Call update_stmt.
2983 * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2984 (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2985 * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2986 (ccp_initialize): Remove call to compute_immediate_uses.
2987 (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2988 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2989 stmts.
2990 (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2991 (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2992 (eliminate_redundant_computations): Call mark_stmt_modified.
2993 (cprop_operand): Call mark_stmt_modified.
2994 (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2995 * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2996 (dse_optimize_stmt): Use new immuse interface.
2997 (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2998 * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2999 (substitute_single_use_vars): Use new immuse interface.
3000 (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3001 and compute_immediate_uses.
3002 * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3003 interface.
3004 (rewrite_mem_refs): Call update_stmt.
3005 (determine_lsm): Remove call to compute_imm_uses and free_df.
3006 * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3007 (try_unroll_loop_completely): Call update_stmt.
3008 * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3009 (rewrite_use_compare): Call update_stmt.
3010 (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3011 (rewrite_use) : Call update_stmt.
3012 * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3013 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3014 update_stmt.
3015 * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3016 (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3017 (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3018 use nodes.
3019 (initialize_vuse_operand): New. Initialize a vuse operand.
3020 (initialize_v_may_def_operand): New. Initialize a maydef operand.
3021 (initialize_v_must_def_operand): New. Initialize a mustdef operand.
3022 (finalize_ssa_defs): Use stmt parameter.
3023 (correct_use_link): Ensure a use node is in the correct list, and has
3024 the correct stmt pointer.
3025 (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3026 finalize_ssa_v_must_defs): Also initialize use nodes.
3027 (finalize_ssa_stmt_operands): Pass extra stmt operands.
3028 (build_ssa_operands): Seperate parsing from final operand construction.
3029 (parse_ssa_operands): New. Parse entry point for operand building.
3030 (swap_tree_operands): New. Swap 2 tree operands.
3031 (update_stmt_operands): Ranamed from get_stmt_operands. Always builds
3032 operands.
3033 (get_expr_operands): Call swap_tree_operands when needed.
3034 (copy_virtual_operands): Use initialize routines for virtual use ops.
3035 (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3036 (verify_abort): New. Issue imm_use error.
3037 (verify_imm_links): New Verify imm_use links for a var.
3038 (dump_immediate_uses_for): New. Dump imm_uses for a var to file.
3039 (dump_immediate_uses): New. Dump imm_uses for all vars to file.
3040 (debug_immediate_uses): New. Dump imm_uses for all vars to stderr.
3041 (debug_immediate_uses_for): New. Dump imm_uses for a var to stderr.
3042 * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3043 (NULL_USE_OPERAND_P) Define.
3044 (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3045 use node.
3046 (struct vuse_operand_type): New struct.
3047 (SET_USE): Call set_ssa_use_from_ptr.
3048 (USE_STMT): Define.
3049 (PHI_ARG_INDEX_FROM_USE): Define.
3050 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3051 argument via SET_USE, not PHI_ARG_DEF_TREE.
3052 * tree-ssa-pre.c (eliminate): Call update_stmt.
3053 * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators. Don't
3054 call free_df.
3055 * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3056 (nearest_common_dominator_of_uses): Use imm_use iterator.
3057 (statement_sink_location): Use imm_use iterator and interface.
3058 (execute_sink_code): Don't call compute_immediate_uses or free-df.
3059 * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3060 PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3061 * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3062 (verify_ssa): Ensure no stmt is marked modify after optimization pass
3063 if new parameter is true.
3064 (init_tree_ssa): Don't initialize operand cache here.
3065 (delete_tree_ssa): Don't destroy operand cache here.
3066 (propagate_into_addr): Pass in a use pointer, return true if anything
3067 was changed.
3068 (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3069 (check_phi_redundancy): Use imm_use iterator.
3070 (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3071 free_df.
3072 * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3073 (release_ssa_name): Delink node and all elements in its imm_use list.
3074 * tree-tailcall.c (adjust_return_value): Call update_stmt.
3075 * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3076 * tree-vectorizer.c (need_imm_uses_for): Delete.
3077 (vectorize_loops): Dont call compute_immediate_uses or free_df.
3078 * tree.h (struct ssa_imm_use_d): Define.
3079 (SSA_NAME_IMM_USE_NODE): Define.
3080 (struct tree_ssa_name): Add imm_use node.
3081 (PHI_DF): Delete.
3082 (PHI_ARG_IMM_USE_NODE): Define.
3083 (struct phi_arg_d): Add imm_use node.
3084 (struct tree_phi_node): Remove struct dataflow_d element.
3085 (TDF_STMTADDR): Define.
3087 2005-04-05 Dale Johannesen <dalej@apple.com>
3089 * doc/invoke.texi (Optimization Options): Remove
3090 duplicate -fcse-follow-jumps. Add -fweb.
3091 (-ftree-lim): Fix spelling (-ftree-loop-im, invariants).
3092 (-fivcanon): Fix spelling (-ftree-loop-ivcanon).
3094 2005-04-05 Per Bothner <per@bothner.com>
3096 * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3097 to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3098 (warn_uninit): Get EXPR_LOCUS from context now instead.
3099 This fixes a USE_MAPPED_LOCATION testsuite failure.
3101 * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3103 2005-04-05 Per Bothner <per@bothner.com>
3105 * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3106 of the artification 'return 0' in main() to BUILTINS_LOCATION.
3107 * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3108 before warning.
3110 2004-04-05 Devang Patel <dpatel@apple.com>
3112 * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3113 (lhsr<mode>3): ... new name.
3114 (altivec_vsra<VI_char>): Rename to ..
3115 (ashr<mode>3): ... new name.
3116 * config/rs6000/rs6000.c (builtin_description): Rename shift
3117 operations.
3119 2004-04-05 Paolo Bonzini <bonzini@gnu.org>
3121 * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3122 gen_lowpart_for_combine.
3123 * cse.c (gen_lowpart_if_possible): Move...
3124 * rtlhooks.c (gen_lowpart_if_possible): ... here. Also try
3125 gen_lowpart_SUBREG.
3126 (gen_lowpart_no_emit_general): Use it.
3128 2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3130 * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3131 overriding.
3133 2005-04-05 Paolo Bonzini <bonzini@gnu.org>
3135 * system.h: Fix typo.
3137 2005-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3139 * config/bfin/bfin-modes.def: New file.
3140 * config/bfin/bfin-protos.h: New file.
3141 * config/bfin/bfin.c: New file.
3142 * config/bfin/bfin.h: New file.
3143 * config/bfin/bfin.md: New file.
3144 * config/bfin/bfin.opt: New file.
3145 * config/bfin/crti.s: New file.
3146 * config/bfin/crtn.s: New file.
3147 * config/bfin/elf.h: New file.
3148 * config/bfin/lib1funcs.asm: New file.
3149 * config/bfin/predicates.md: New file.
3150 * config/bfin/t-bfin: New file.
3151 * config/bfin/t-bfin-elf: New file.
3152 * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3153 Document new attributes.
3154 (interrupt, interrupt_handler, saveall): Update documentation for
3155 these attributes.
3156 * doc/install.texi (Specific): Add entry for the Blackfin.
3157 * doc/invoke.texi (Blackfin Options): New section.
3158 * doc/md.texi (Blackfin family): New section to document constraints.
3159 * config.gcc: Add bfin*-* and bfin*-elf configurations.
3161 2005-04-05 Olivier Hainque <hainque@adacore.com>
3163 * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3164 match what the system unwinder expects.
3165 * config/mips/mips.c (mips_frame_set): If we're saving the return
3166 address register and the dwarf return address column number differs
3167 from the hard register number, adjust the note reg to refer to the
3168 former.
3170 2004-04-05 Richard Sandiford <rsandifo@redhat.com>
3172 * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3173 * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3174 (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3175 (processor_type): New enum.
3176 (mn10300_processor): New variable.
3177 (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3178 (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3179 * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3180 (PROCESSOR_DEFAULT): New macro.
3181 * config/mn10300/mn10300.c (mn10300_processor): New variable.
3182 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3183 (mn10300_handle_option, mn10300_override_options): New functions.
3184 * config/mn10300/mn10300.opt: New file.
3186 2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3187 Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3189 PR tree-optimization/19903
3190 * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3191 that don't fit in their type after conversion.
3193 2005-04-05 Uros Bizjak <uros@kss-loka.si>
3195 PR target/20421
3196 * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3197 (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3198 Allocate local stack slots here. Set ix86_optimize_mode_switching.
3199 flag here. Implement using define_insn_and_split.
3200 (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3201 (frndintxf2_mask_pm_i387): New insn patterns.
3202 (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3203 Do not set ix86_optimize_mode_switching flag.
3204 (ceilsf2, ceildf2, ceilxf2): Same.
3205 (btruncsf2, btruncdf2, btruncxf2): Same.
3206 (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3208 2005-04-05 Ian Lance Taylor <ian@airs.com>
3210 PR debug/9963
3211 * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3212 i386_pe_record_external_function.
3213 (i386_pe_record_external_function): Update declaration.
3214 * config/i386/winnt.c (struct extern_list): Add decl field.
3215 (i386_pe_record_external_function): Add decl parameter.
3216 (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3217 identifier.
3218 * config/i386/i386-protos.h (i386_pe_record_external_function):
3219 Update declaration.
3221 2005-04-05 Kazu Hirata <kazu@cs.umass.edu>
3223 * config/m68k/m68k-protos.h: Add a prototype for
3224 valid_dbcc_comparison_p_2.
3225 * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3226 extend_operator, const_uint32_operand, const_sint32_operand,
3227 general_src_operand, nonimmediate_src_operand,
3228 memory_src_operand, post_inc_operand, pre_dec_operand,
3229 pcrel_address): Move to predicates to predicates.md.
3230 * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3231 * config/m68k/m68k.md: Include predicates.md.
3232 * config/m68k/predicates.md: New.
3234 2005-04-04 Roger Sayle <roger@eyesopen.com>
3236 * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3238 * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3240 2005-04-04 Ian Lance Taylor <ian@airs.com>
3242 * c-typeck.c (struct c_switch): Rename switch_stmt field to
3243 switch_expr.
3244 (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3245 (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3246 (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3247 Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3248 * c-common.c (c_do_switch_warnings_1): New static function broken
3249 out of c_do_switch_warnings.
3250 (c_do_switch_warnings): Call c_do_switch_warnings_1.
3251 (c_do_switch_expr_warnings): New function.
3252 * c-common.h (c_do_switch_expr_warnings): Declare.
3254 2005-04-04 David Edelsohn <edelsohn@gnu.org>
3255 Daniel Jacobowitz <dan@codesourcery.com>
3257 * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3258 trapping divide.
3259 * rtlanal.c (may_trap_p): Same.
3261 2005-04-04 Dale Johannesen <dalej@apple.com>
3263 * ChangeLog: remove reference to ChangeLog.12.
3265 2005-04-05 Hans-Peter Nilsson <hp@axis.com>
3267 CRIS epilogue as RTL.
3268 * config/cris/cris.md: Change all 0 in unspec 0 to
3269 CRIS_UNSPEC_PLT.
3270 (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3271 ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3272 patterns.
3273 ("return"): Change to define_expand. Call cris_expand_return for
3274 actual expansion.
3275 ("*return_expanded"): New pattern.
3276 ("epilogue"): New define_expand.
3277 * config/cris/cris.h (PREDICATE_CODES): Add
3278 cris_load_multiple_op.
3279 * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3280 type.
3281 (enum cris_retinsn_type): New.
3282 (struct machine_function): New member return_type.
3283 (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3284 (cris_target_asm_function_epilogue): Remove, moving RTLified
3285 contents to...
3286 (cris_expand_epilogue): New function.
3287 (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3288 (cris_gen_movem_load, cris_load_multiple_op)
3289 (cris_return_address_on_stack_for_return, cris_expand_return): New
3290 functions.
3291 (cris_target_asm_function_prologue)
3292 (cris_initial_frame_pointer_offset): Call
3293 cris_reg_saved_in_regsave_area instead of complicated expression.
3294 Call cris_return_address_on_stack instead of an expression.
3295 (cris_print_operand) <case 'o', case 'O'>: New cases.
3296 (cris_return_address_on_stack): Change return-type to bool.
3297 (cris_simple_epilogue): Ditto. Return false if registers are
3298 saved.
3299 * config/cris/cris-protos.h (cris_simple_epilogue)
3300 (cris_return_address_on_stack): Adjust prototype return type.
3301 (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3302 (cris_return_address_on_stack_for_return): New prototypes.
3304 2005-04-04 Kazu Hirata <kazu@cs.umass.edu>
3306 * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3307 gpr_or_int12_operand.
3309 * config/frv/frv-protos.h: Add a prototype to
3310 frv_legitimate_memory_operand and frv_const_unspec_p.
3311 (frv_unspec): Move from frv.c.
3312 * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3313 (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3314 (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3315 gpr_or_fpr_operand, gpr_or_int12_operand,
3316 gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3317 gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3318 int6_operand, int5_operand, uint5_operand, uint4_operand,
3319 uint1_operand, int_2word_operand, uint16_operand,
3320 upper_int16_operand, integer_register_operand,
3321 gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3322 odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3323 quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3324 dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3325 move_destination_operand, movcc_fp_destination_operand,
3326 frv_function_symbol_referenced_p, move_source_operand,
3327 condexec_dest_operand, condexec_source_operand,
3328 reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3329 const_unspec_operand, gpr_or_memory_operand,
3330 gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3331 icc_operand, fcc_operand, cc_operand, icr_operand,
3332 fcr_operand, cr_operand, call_operand, sibcall_operand,
3333 symbolic_operand, relational_operator,
3334 integer_relational_operator, float_relational_operator,
3335 ccr_eqne_operator, minmax_operator,
3336 condexec_si_binary_operator, condexec_si_media_operator,
3337 condexec_si_divide_operator, condexec_si_unary_operator,
3338 condexec_sf_conv_operator, condexec_sf_add_operator,
3339 condexec_memory_operand, intop_compare_operator, acc_operand,
3340 even_acc_operand, quad_acc_operand, accg_operand: Move to
3341 predicates.md.
3342 * config/frv/frv.h (PREDICATE_CODES): Remove.
3343 * config/frv/frv.md: Include predicates.md.
3344 * config/frv/predicates.md: New.
3346 2004-04-04 Richard Sandiford <rsandifo@redhat.com>
3348 PR target/19537
3349 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3350 * tree-ssa-loop-ivopts.c: Include langhooks.h.
3351 (add_standard_iv_candidates_for_size): New function, extracting code
3352 from add_standard_iv_candidates and parameterizing it by type size.
3353 (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3355 2004-04-04 Richard Sandiford <rsandifo@redhat.com>
3357 * system.h (GCOV_SIZE_TYPE): Unposion.
3358 * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3359 (GCOV_TYPE_SIZE): ...this new macro.
3360 * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3361 * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3362 (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3363 (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3364 (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3365 instead of unsigned_intSI_type_node.
3366 * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3367 (rtl_gen_one_value_profiler_no_edge_manipulation)
3368 (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
3369 * value-prof.c: Include coverage.h.
3371 2005-04-02 Daniel Berlin <dberlin@dberlin.org>
3372 Diego Novillo <dnovillo@redhat.com>
3374 Fix PR tree-optimization/20703
3375 Fix PR tree-optimization/20725
3377 * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
3378 (create_expression_by_pieces): Ditto.
3379 (valid_in_set): Ditto. Also handle tcc_declaration.
3380 (find_or_generate_expression): Handle comparison class.
3381 (insert_into_preds_of_block): Ditto.
3382 (insert_aux): Ditto.
3383 (create_value_expr_from): Handle comparison class, recursively
3384 handle reference nodes.
3385 (compute_avail): Handle comparison classes, rewrite a little cleaner.
3386 (execute_pre): Fix spacing.
3387 (do_fre): Renamed to execute_fre.
3389 2005-04-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3391 * doc/invoke.texi (SPARC options): Document that
3392 -mlittle-endian is not supported on Linux either.
3394 2005-04-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3396 PR target/4198
3397 PR target/12027
3398 * config.gcc (Obsolete configurations): Remove
3399 sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
3400 (sparclite-*-coff*): Delete.
3401 (sparclite-*-elf*): Likewise.
3402 (sparc86x-*-elf*): Likewise.
3403 (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
3404 * config/sparc/lite.h: Delete.
3405 * config/sparc/litecoff.h: Likewise.
3406 * config/sparc/liteelf.h: Likewise.
3407 * config/sparc/sp86x-elf.h: Likewise.
3408 * config/sparc/t-sparclite: Likewise.
3409 * config/sparc/t-sp86x: Likewise.
3411 2005-04-04 Adrian Straetling <straetling@de.ibm.com>
3413 * config/s390/s390-protos.h: (s390_comparison,
3414 s390_alc_comparison, s390_slb_comparison, const0_operand,
3415 consttable_operand, larl_operand, s_operand,
3416 shift_count_operand, bras_sym_operand, load_multiple_operation,
3417 store_multiple_operation, s390_plus_operand): Remove prototypes.
3418 (s390_legitimate_address_without_index_p): New prototype.
3419 * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
3420 to s390.h.
3421 (s390_comparison, s390_alc_comparison, s390_slb_comparison,
3422 const0_operand, consttable_operand, larl_operand, s_operand,
3423 shift_count_operand, bras_sym_operand, load_multiple_operation,
3424 store_multiple_operation, s390_plus_operand): Move to
3425 predicates.md.
3426 (check_mode): Remove.
3427 (s390_branch_condition_mask): Remove 'static'. Move prototype to
3428 s390-protos.h.
3429 (s390_legitimate_address_without_index_p): New.
3430 * config/s390/s390.h (PREDICATE_CODES): Remove.
3431 * config/s390/s390.md: Include predicates.md.
3432 * config/s390/predicates.md: New.
3434 2005-04-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3436 PR target/20446
3437 * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
3438 * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
3439 (NEED_INDICATE_EXEC_STACK): Define to 1.
3440 * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
3441 (NEED_INDICATE_EXEC_STACK): Define to 1.
3442 * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
3443 (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
3444 (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
3445 (pic_helper_emitted_p): New global.
3446 (emit_pic_helper): New function extracted from...
3447 (load_pic_register): ...here. Add 'delay_pic_helper' parameter.
3448 Do not call emit_pic_helper if delay_pic_helper is true.
3449 (sparc_expand_prologue): Pass 'false' to load_pic_register.
3450 (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
3451 (sparc_file_end): New function.
3453 2005-04-04 Kazu Hirata <kazu@cs.umass.edu>
3455 * config/mcore/mcore-protos.h: Remove the prototypes for
3456 mcore_arith_reg_operand, mcore_general_movsrc_operand,
3457 mcore_general_movdst_operand, mcore_reload_operand,
3458 mcore_arith_J_operand, mcore_arith_K_operand,
3459 mcore_arith_K_operand_not_0, mcore_arith_M_operand,
3460 mcore_arith_K_S_operand, mcore_arith_imm_operand,
3461 mcore_arith_any_imm_operand, mcore_arith_O_operand,
3462 mcore_literal_K_operand, mcore_addsub_operand,
3463 mcore_compare_operand, mcore_load_multiple_operation,
3464 mcore_store_multiple_operation, mcore_call_address_operand.
3465 Add a prototype for const_ok_for_mcore.
3466 * config/mcore/mcore.c (mcore_call_address_operand,
3467 mcore_general_movsrc_operand, mcore_general_movdst_operand,
3468 mcore_arith_reg_operand, mcore_reload_operand,
3469 mcore_arith_J_operand, mcore_arith_K_operand,
3470 mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
3471 mcore_arith_M_operand, mcore_arith_imm_operand,
3472 mcore_arith_any_imm_operand, mcore_arith_O_operand,
3473 mcore_literal_K_operand, mcore_addsub_operand,
3474 mcore_compare_operand, mcore_load_multiple_operation,
3475 mcore_store_multiple_operation): Move to predicates.md.
3476 (const_ok_for_mcore): Export.
3477 * config/mcore/mcore.h (PREDICATE_CODES): Remove.
3478 * config/mcore/mcore.md: Include predicates.md.
3479 * config/mcore/predicates.md: New.
3481 * config/mcore/predicates.md: Fix a comment typo.
3483 2005-04-04 Andreas Krebbel <krebbel1@de.ibm.com>
3484 Adrian Straetling <straetling@de.ibm.com>
3486 * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
3487 * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
3488 * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
3489 attribute.
3490 ("imul"): Removed from "type" attribute.
3491 ("*muldi3_sign", "muldi3"): Changed type to imuldi.
3492 ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
3493 Changed type to imulsi.
3494 ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
3496 2005-04-04 Richard Sandiford <rsandifo@redhat.com>
3498 * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
3499 (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
3500 (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
3501 (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
3502 (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
3503 (TARGET_SWITCHES, mcore_stack_increment_string)
3504 (TARGET_OPTIONS): Delete.
3505 (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
3506 than *_BIT constants.
3507 (TARGET_8ALIGN): #undef old definition before redefining to 1.
3508 * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
3509 (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
3510 (mcore_override_options): Delete mcore_stack_increment code.
3511 Change use of M340_BIT to MASK_M340.
3512 * config/mcore/mcore.opt: New file.
3514 2005-04-04 Ian Lance Taylor <ian@airs.com>
3516 * config/arm/arm.c (replace_symbols_in_block): Remove static
3517 function.
3519 2005-04-04 Kazu Hirata <kazu@cs.umass.edu>
3521 * config/fr30/fr30-protos.h: Remove the prototypes for
3522 stack_add_operand, add_immediate_operand,
3523 high_register_operand, low_register_operand, call_operand,
3524 di_operand, and nonimmediate_di_operand.
3525 * config/fr30/fr30.c (stack_add_operand,
3526 add_immediate_operand, high_register_operand,
3527 low_register_operand, call_operand, di_operand,
3528 nonimmediate_di_operand): Move to predicates.md.
3529 * config/fr30/fr30.h (PREDICATE_CODES): Remove.
3530 * config/fr30/fr30.md: Include predicates.md.
3531 * config/fr30/predicates.md: New.
3533 * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
3534 LABEL_REF to mcore_general_movsrc_operand. Add SYMBOL_REF to
3535 mcore_call_address_operand.
3537 * config/sh/sh.h (PREDICATE_CODES): Add CONST to
3538 general_movsrc_operand.
3540 2005-04-04 Alan Modra <amodra@bigpond.net.au>
3542 * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
3543 after freeing.
3545 2005-04-04 Richard Earnshaw <richard.earnshaw@arm.com>
3547 PR target/14812
3548 * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
3549 a negated value.
3551 2005-04-04 Richard Henderson <rth@redhat.com>
3552 Jakub Jelinek <jakub@redhat.com>
3554 PR rtl-optimization/16104
3555 * fold-const.c (fold_unary): Fix folding of vector conversions.
3557 2005-04-04 Richard Sandiford <rsandifo@redhat.com>
3559 * config.gcc (xstormy16-*-elf): Set extra_options.
3560 * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
3561 * config/stormy16/stormy16.opt: New file.
3563 2005-04-04 Richard Sandiford <rsandifo@redhat.com>
3565 * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
3566 (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
3567 (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
3568 (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
3569 (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
3570 (TARGET_UNIX_ASM): Delete.
3571 (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
3572 * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
3573 * config/pdp11/pdp11.c (pdp11_handle_option): New function.
3574 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3575 * config/pdp11/pdp11.opt: New file.
3577 2005-04-03 Roger Sayle <roger@eyesopen.com>
3578 Alexandre Oliva <aoliva@redhat.com>
3580 PR c++/19199
3581 * fold-const.c (non_lvalue): Split tests into...
3582 (maybe_lvalue_p): New function.
3583 (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
3584 C++ front-end prior to lowering into gimple form.
3586 2005-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3588 * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
3589 BUILT_IN_STRNCASECMP): New.
3590 * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
3591 and strndup.
3593 2005-04-03 Richard Earnshaw <richard.earnshaw@arm.com>
3595 PR target/14812
3596 * arm.md (addsi3_compare0_for_combiner): Delete.
3597 (addsi3_compare0_scratch_for_combiner): Delete.
3598 (cmpsi_neg_shiftsi): Delete.
3599 (compare_negsi_si): New pattern.
3600 (cmpsi_negshiftsi_si): New pattern.
3601 (negated_cbranchsi4): Restrict to equality_operator.
3603 * arm.md (movhi_insn_arch4): delete trailing white space from assembler
3604 template.
3606 2005-04-03 Kazu Hirata <kazu@cs.umass.edu>
3608 * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
3609 Fix comment typos.
3611 * doc/install.texi: Fix a typo.
3613 2005-04-03 Steven Bosscher <stevenb@suse.de>
3615 PR middle-end/20648
3616 * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
3617 a computed goto if the edge to the computed goto block has
3618 incoming abnormal edges. Clarify how the function works.
3620 2005-04-03 Nathan Sidwell <nathan@codesourcery.com>
3622 * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
3623 * passes.c (open_dump_file, rest_of_handle_final): Likewise.
3624 * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
3625 hash_scan_set, reg_set_between_after_reload_p,
3626 reg_used_between_after_reload_p, get_avail_load_store_reg,
3627 eliminate_partially_redundant_load): Likewise.
3628 * postreload.c (reload_cse_simplify_set,
3629 reload_combine_note_use): Likewise.
3630 * predict.c (predict_insn, expected_value_to_br_prob,
3631 propagate_freq, expensive_function_p): Likewise.
3632 * print-rtl.c (print_rtx): Likewise.
3633 * profile.c (instrument_edges, instrument_values,
3634 compute_branch_probabilities, branch_prob, union_groups,
3635 tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
3636 * protoize.c (in_system_include_dir, file_could_be_converted,
3637 file_normally_convertible, gen_aux_info_file, seek_to_line,
3638 do_cleaning): Likewise.
3639 * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
3640 * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3641 * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3643 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3645 * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
3646 * modulo-sched.c (undo_replace_buff_elem): New structure.
3647 (kernel_number_of_cycles, ps_unschedule_node,
3648 undo_generate_reg_moves,free_undo_replace_buff,
3649 undo_permute_partial_schedule, loop_single_full_bb_p,
3650 SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
3651 build_loops_structure, get_sched_window): New.
3652 (generate_reg_moves): Return undo_replace_buff_elem and other
3653 fixes.
3654 (generate_prolog_epilog): Remove old loop versioning.
3655 (sms_schedule): Use loop information and loop_version.
3656 (sms_schedule_by_order): Split part of it to get_sched_window.
3657 * passes.c (rest_of_handle_sms): call cfg_layout_initialize
3658 cfg_layout_finalize and free_dominance_info before/after SMS.
3660 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3662 * cfghooks.c (lv_flush_pending_stmts,
3663 cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
3664 lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
3665 * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
3666 lv_add_condition_to_bb,
3667 lv_adjust_loop_header_phi, extract_cond_bb_edges,
3668 flush_pending_stmts): New in cfg_hooks structure.
3669 (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
3670 extract_cond_bb_edges, lv_adjust_loop_header_phi,
3671 lv_add_condition_to_bb): New declarations.
3672 * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
3673 bool.
3674 (loop_version): Declare.
3675 * cfgloopmanip.c (cfghooks.h): Include.
3676 (duplicate_loop_to_header_edge): Change return type to bool.
3677 (loop_version, lv_adjust_loop_entry_edge): Move here.
3678 * cfgrtl.c (cfgloop.h): Include.
3679 (rtl_verify_flow_info_1): Fix.
3680 (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
3681 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
3682 initialization.
3683 * tree-cfg.c (tree_lv_adjust_loop_header_phi,
3684 tree_lv_add_condition_to_bb): New.
3685 (tree_cfg_hooks): Add new hooks to initialization.
3686 * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
3687 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
3689 2005-04-03 Kazu Hirata <kazu@cs.umass.edu>
3691 * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
3692 xstormy16_below100_or_register,
3693 xstormy16_splittable_below100_or_register, and
3694 nonimmediate_nonstack_operand.
3696 * config/stormy16/stormy16-protos.h: Remove the prototypes for
3697 xstormy16_ineqsi_operator, equality_operator,
3698 inequality_operator, shift_operator,
3699 xstormy16_below100_operand, xstormy16_below100_or_register,
3700 xstormy16_splittable_below100_or_register,
3701 xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
3702 * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
3703 equality_operator, inequality_operator,
3704 xstormy16_below100_operand, xstormy16_below100_or_register,
3705 xstormy16_splittable_below100_or_register,
3706 xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
3707 nonimmediate_nonstack_operand, shift_operator): Move to
3708 predicates.md.
3709 * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
3710 * config/stormy16/stormy16.md: Include predicates.md.
3711 * config/stormy16/predicates.md: New.
3713 2005-04-02 Kazu Hirata <kazu@cs.umass.edu>
3715 * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
3716 small_int, large_int, reg_or_0_operand, simple_memory_operand,
3717 equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
3718 move_operand, power_of_2_operand): Move to predicates.md.
3719 * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
3720 PREDICATE_CODE): Remove.
3721 * config/iq2000/iq2000.md: Include predicates.md.
3722 * config/iq2000/predicates.md: New.
3724 2005-04-02 Richard Sandiford <rsandifo@redhat.com>
3726 * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
3727 (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
3728 (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
3729 (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
3730 (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
3731 (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
3732 (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
3733 (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3734 (TARGET_M68HC11): Delete.
3735 (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
3736 * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
3737 * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
3738 (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3739 (nb_soft_regs): Delete.
3740 (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
3741 (m68hc11_override_options): Remove the code that caters for MASK_M6811
3742 and MASK_M6812 being set simultaneously. Change the code that sets
3743 the default m68hc11_soft_reg_count to use integers instead of strings.
3744 (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
3745 m68hc11_soft_reg_count (which now has an int type) as the number
3746 of soft registers.
3747 * config/m68hc11/m68hc11.opt: New file.
3749 2005-04-02 Kazu Hirata <kazu@cs.umass.edu>
3751 * config/fr30/fr30.h (PREDICATE_CODES): Remove
3752 fp_displacement_operand, sp_displacement_operand.
3754 * config/m68hc11/m68hc11-protos.h: Add a prototype for
3755 m68hcc_auto_inc_p.
3756 Remove the prototypes for tst_operand, cmp_operand,
3757 stack_register_operand, d_register_operand,
3758 hard_addr_reg_operand, splitable_operand,
3759 m68hc11_logical_operator, m68hc11_arith_operator,
3760 m68hc11_non_shift_operator, m68hc11_shift_operator,
3761 m68hc11_unary_operator, m68hc11_eq_compare_operator,
3762 non_push_operand, hard_reg_operand, and
3763 reg_or_some_mem_operand.
3764 * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
3765 extern.
3766 (tst_operand, cmp_operand, non_push_operand,
3767 splitable_operand, reg_or_some_mem_operand,
3768 stack_register_operand, d_register_operand,
3769 hard_addr_reg_operand, hard_reg_operand,
3770 m68hc11_eq_compare_operator, m68hc11_logical_operator,
3771 m68hc11_arith_operator, m68hc11_non_shift_operator,
3772 m68hc11_shift_operator, m68hc11_unary_operator): Move to
3773 predicates.md.
3774 * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
3775 * config/m68hc11/m68hc11.md: Include predicates.md.
3776 * config/m68hc11/predicates.md: New.
3778 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
3780 PR debug/19345
3781 * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
3782 change checked in along with 2005-03-03's patch for debug/20253.
3783 * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
3784 (remap_decl): Insert type decl in map earlier.
3786 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
3788 PR tree-optimization/20640
3789 * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
3790 post-dominator if it has phi nodes.
3791 (eliminate_unnecessary_stmts): Remove dead phis in all blocks
3792 before dead statements.
3794 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
3796 PR middle-end/20491
3797 * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
3799 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
3801 PR rtl-optimization/20290
3802 * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
3803 in every iteration if the entry point is the exit test.
3805 2005-04-02 Hans-Peter Nilsson <hp@axis.com>
3807 * config/cris/cris.md (attribute "length"): Define.
3809 2005-04-02 Geoffrey Keating <geoffk@apple.com>
3811 * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
3812 (word_offset_memref_operand): New.
3813 * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
3814 (indexed_or_indirect_operand): Delete.
3815 * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3816 (indexed_or_indirect_operand): Delete.
3818 * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3820 PR 20650
3821 * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3822 a register.
3824 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3825 * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3827 2005-04-01 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3829 * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3831 2005-04-01 Ian Lance Taylor <ian@airs.com>
3833 * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3834 (rus, prus): Remove static variables.
3835 (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3836 (process_command): Permit report_times and use_pipes together.
3838 2005-04-01 Joseph S. Myers <joseph@codesourcery.com>
3840 * c-decl.c (validate_proto_after_old_defn): Look at
3841 TYPE_MAIN_VARIANT of argument types.
3843 2005-04-01 Paul Brook <paul@codesourcery.com>
3845 * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3846 (arm_output_function_epilogue): Allow call_via_SP.
3847 (thumb_call_via_reg, arm_file_end): Ditto.
3848 * config/arm/arm.h (struct machine_function): Include space for SP.
3849 (thumb_call_via_label): Update declaration.
3851 2005-04-01 Ian Lance Taylor <ian@airs.com>
3853 * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3854 doing a peephole optimization, once again put any notes in the
3855 proper position.
3857 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
3859 * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3861 2005-04-01 Nathan Sidwell <nathan@codesourcery.com>
3863 * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3864 (block_alloc, find_free_reg): Likewise.
3865 * loop-doloop.c (doloop_modify): Likewise.
3866 * loop-invariant.c (record_use): Likewise.
3867 * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3868 get_iv_value, canon_condition, eliminate_implied_condition,
3869 eliminate_implied_condition, simplify_using_initial_values,
3870 shorten_into_mode, canonicalize_iv_subregs,
3871 iv_number_of_iterations): Likewise.
3872 * loop-unroll.c (expand_var_during_unrolling): Likewise.
3873 * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3874 unswitch_loop): Likewise.
3875 * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3876 move_movables, replace_call_address, find_and_verify_loops,
3877 rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3878 record_giv, final_giv_value, general_induction_var,
3879 simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3880 loop_giv_dump): Likewise.
3882 * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3883 GCOV_CHECK_WRITING): Remove.
3884 (gcov_position, gcov_rewrite): Use gcc_assert.
3885 * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3886 gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3887 * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3888 gcc_assert.
3890 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
3892 * tree-inline.c: Fix a typo.
3894 2005-04-01 Nathan Sidwell <nathan@codesourcery.com>
3896 * configure.ac (enable-checking): Explicitly set all variables for
3897 collective switch values. Alphabetize variables. Rename
3898 ac_checking_valgrind to ac_valgrind_checking. Allow 'none' as
3899 synonym for 'no'.
3900 * doc/install.texi (enable-checking): Update documentation.
3901 * configure: Rebuilt.
3903 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
3905 * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3906 possible.
3908 2005-04-01 Richard Earnshaw <richard.earnshaw@arm.com>
3910 * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3911 Also reject cases where this pattern will cause load delay stalls
3912 unless optimizing for size and it will produce a shorter sequence.
3913 * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3914 variants to avoid pre-adjusting the base when possible.
3916 2005-04-01 Richard Earnshaw <richard.earnshaw@arm.com>
3918 * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3919 the frame and argument pointers.
3920 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3921 (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3922 (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3923 (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3924 (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3925 (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3927 2005-04-01 Danny Smith <dannysmith@users.sourceforge.net>
3929 * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3930 with entry for selectany attribute.
3931 * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3932 Declare.
3933 * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3934 (i386_pe_asm_named_section): Handle sections generated by
3935 selectany attribute.
3936 * doc/extend.texi (selectany): Document attribute.
3938 2005-04-01 Paolo Bonzini <bonzini@gnu.org>
3939 Jan Hubicka <jh@suse.cz>
3941 * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3942 to fix addresses involving EBP and ESP.
3943 (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3944 for SUBREGed registers.
3945 (legitimate_address_p): Accept SUBREGed registers.
3947 2005-04-01 Jakub Jelinek <jakub@redhat.com>
3949 PR c++/19406
3950 * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3951 (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3952 for FIELD_DECLs.
3954 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
3956 * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3958 2005-04-01 James E Wilson <wilson@specifixinc.com>
3960 PR c++/20505
3961 * dwarf2out.c (rtl_for_decl_init): New function.
3962 (rtl_for_decl_location): Extracted from here.
3963 (tree_add_const_value_attribute): Call rtl_for_decl_init and
3964 add_const_value_attribute. Delete initializer_constant_valid_p call.
3966 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
3968 * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3969 lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3970 modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3971 tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3972 config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3973 config/i386/i386.md, config/rs6000/predicates.md,
3974 config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3975 config/s390/s390.c, config/stormy16/stormy16.c,
3976 config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3977 typos.
3979 2005-04-01 Joseph S. Myers <joseph@codesourcery.com>
3981 PR c/17855
3982 * gimplify.c (gimplify_expr): Create a temporary for lvalue
3983 COND_EXPR and CALL_EXPR.
3985 2005-03-31 Vladimir Makarov <vmakarov@redhat.com>
3987 PR target/20632
3988 * genautomata.c (first_cycle_unit_presence): Check all alternative
3989 states for unit presence.
3991 * doc/md.texi: Remove remark about impossibility to query unit
3992 presence in non nondeterministic automaton state.
3994 * config/ia64/ia64.c (get_template): Change order of unit querying.
3996 2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
3998 * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3999 obsolete comment.
4001 2005-03-31 Zdenek Dvorak <dvorakz@suse.cz>
4003 * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4004 flag for edges outside any loops.
4006 2005-03-31 Janis Johnson <janis187@us.ibm.com>
4008 * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4010 2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
4012 * tree-ssa-alias.c: Follow spelling conventions.
4013 * doc/tree-ssa.texi: Fix a typo.
4015 2005-03-31 J"orn Rennecke <joern.rennecke@st.com>
4017 * postreload-gcse.c: Include target.h.
4018 (gcse_after_reload_main): Return early if we cannot modify jumps.
4019 * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4021 2005-03-31 David Edelsohn <edelsohn@gnu.org>
4023 * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4024 expensive operations.
4026 2005-03-31 Ian Lance Taylor <ian@airs.com>
4028 * collect2.c (lderrout): New variable.
4029 (collect_exit): Dump ldout to stdout. Dump and unlink lderrout,
4030 if it is set, to stderr.
4031 (handler): Unlink lderrout if it is set.
4032 (dump_file): Add "to" parameter. Change all callers.
4033 (main): Initialize lderrout.
4034 (collect_execute): Add errname parameter. Change all callers.
4035 Rename redir parameter to outname. Never pass
4036 PEX_STDERR_TO_STDOUT to pex_run.
4037 * collect2.h (collect_execute, dump_file): Update declarations.
4038 * tlink.c (tlink_execute): Add errname parameter. Change all
4039 callers.
4040 (do_tlink): Check lderrout as well as ldout.
4042 2005-03-31 Caroline Tice <ctice@apple.com>
4044 * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4045 (bb-reorder.o): Add errors.h to list of requirements.
4046 (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4047 profiledbootstrap flags.
4048 * bb-reorder.c (errors.h): Add new include.
4049 (struct bbro_basic_block_data_def): Add new field, in_trace.
4050 (add_unlikely_executed_notes): Remove function.
4051 (mark_bb_for_unlikely_executed_section): Remove function.
4052 (insert_section_boundary_note): New function.
4053 (verify_hot_cold_block_grouping): New function.
4054 (push_to_next_round_p): Remove variables and tests that push all
4055 cold blocks to last round.
4056 (find_traces): Remove code that added extra round of trace finding
4057 when doing partitioning.
4058 (find_traces_1_round) : Remove variable last_round; add code to
4059 update new struct field, in_trace; correct trace_length where it was
4060 incorrect before (after call to copy_bb); change code that pushed all
4061 cold blocks to last round. Instead verify that all blocks going into
4062 a trace belong in the same partition.
4063 (connect_traces): Modify to connect the traces in two passes, if the
4064 function contains both hot and cold blocks. The first pass connects
4065 all the traces for blocks in the partition that the first block in
4066 the function belongs to; the second pass connnects all the traces
4067 containing blocks that belong in the other partition.
4068 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4069 code that automatically put the first block in a function into the
4070 hot partition if the function had any hot blocks.
4071 (fix_crossing_unconditional_branches): Check number of succ edges
4072 before attempting to get one.
4073 (fix_edges_for_rarely_executed_code): Update comment describing
4074 function.
4075 (reorder_basic_blocks): Add code to initialize new field (in_trace);
4076 remove call to add_unlikely_executed_notes; add call to
4077 verify_hot_cold_block_grouping.
4078 (duplicate_computed_gotos): Don't change computed goto if it's a
4079 crossing edge.
4080 (partition_hot_cold_basic_blocks): Update function comment.
4081 * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4082 condition.
4083 (try_forward_edges): Likewise.
4084 (merge_blocks_move_predecessor_nojumps): Likewise.
4085 (merge_blocks_move_successor_nojumps): Likewise.
4086 (merge_blocks_move): Likewise.
4087 (try_crossjump_bb): Likewise.
4088 * cfglayout.c (update_unlikely_executed_notes): Remove function.
4089 (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4090 notes to cold bb's; remove call to update_unlikely_executed_notes.
4091 (duplicate_insn_chain): change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4092 NOTE_INSN_SWITCH_TEXT_SECTIONS.
4093 * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4094 function declaration.
4095 * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4096 from consideration.
4097 (rtl_can_merge_blocks): Remove redundancy from condition.
4098 (try_redirect_by_replacing_jump): Likewise.
4099 (force_nonfallthru_and_redirect): Remove code for adding
4100 UNLIKELY_EXECUTED_CODE notes to cold bb's.
4101 (commit_one_edge_insertion): Likewise.
4102 (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4103 * dbxout.c (FORCE_TEXT): Replace function_section with
4104 current_function_section.
4105 (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4106 function, switch_text_section.
4107 (struct xcoff_debug): Likewise.
4108 (dbxout_function_end): Add code to put out label diffs for both
4109 hot and cold sections.
4110 * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4111 for new debug_hooks funciton, switch_text_section..
4112 * debug.h (struct gcc_debug_hooks): Add new function to debug_hooks,
4113 switch_text_section.
4114 * dwarf2out.c (struct dw_fde_struct): Add five new fields:
4115 dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4116 dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4117 dw_fde_switched_sections.
4118 (output_call_frame_info): Add test to see if function switches text
4119 sections in the middle; if so, use appropriate extra hot and cold
4120 section labels to compute size deltas for the hot and cold sections.
4121 (dwarf2out_begin_prologue): Add code to initialize new fields in
4122 dw_fde_struct.
4123 (dwarf2out_switch_text_section): New function (invoked through
4124 debug_hook); updates new fields in dw_fde_struct appropriately and
4125 increments separate_line_info_table_in_use.
4126 (dwarf2_debug_hooks): Initialize switch_text_section function to be
4127 dwarf2out_switch_text_section.
4128 (struct var_loc_node): Add new field, section_label.
4129 (output_aranges): Add code to check whether in hot or cold section and
4130 use the appropriate label in calculating deltas.
4131 (output_ranges): Likewise.
4132 (output_line_info): Add code to check which section we're in and
4133 use appropriate hot/cold label.
4134 (add_location_or_constant_value_attribute): Likewise.
4135 (gen_subprogam_die): Modify arange attributes to use correct labels.
4136 (dwarf2out_begin_block): Change call to function_section into call to
4137 current_function_section.
4138 (dwarf2out_end_block): Likewise.
4139 (dwarf2out_source_line): Likewise.
4140 (dwarf2out_var_location): Add code to check whether in hot or cold
4141 section and use the appropriate label.
4142 * except.c (output_function_exception_table): Change call to
4143 function_section into call to current_function_section.
4144 * final.c (profile_function): Likewise.
4145 (scan_ahead_for_unlikely_executed_note): Remove function.
4146 (final_scan_insn): Remove calls to
4147 scan_ahead_for_unlikely_executed_note, and related code for switching
4148 to cold section, except for the single time
4149 NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered; add calls to
4150 debug_hooks->switch_text_sections; replace appropriate calls to
4151 function_section with calls to current_function_section.
4152 * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4153 test_bb to condition.
4154 (find_if_case_2): Likewise.
4155 * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4156 NOTE_INSN_SWITCH_TEXT_SECTIONS. Update comment appropriately.
4157 * opts.c (decode_options): Change warning about hot/cold partitioning
4158 with exceptionss to inform (so as not to cause bootstrap failures);
4159 remove warning about partitioning with DWARF debug info.
4160 * output.h (current_function_section): Add new function decl.
4161 (insert_section_boundary_note): Likewise.
4162 (enum in_section): Move this declaration here from varasm.c.
4163 (unlikely_section_label): Likewise.
4164 (unlikely_text_section_name): Likewise.
4165 (last_text_section_name): New global variable.
4166 (last_text_section): Likewise.
4167 (hot_section_label): Likewise.
4168 (hot_section_end_label): Likewise.
4169 (cold_section_end_label): Likewise.
4170 * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4171 * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4172 to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4173 * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4174 insn from consideration.
4175 * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4176 switch_text_section.
4177 * varasm.c (basic-block.h): Add new include.
4178 (unlikely_section_label_printed): Remove global variable.
4179 (unlikely_section_label): Make global variable not be static any more.
4180 (unlikely_text_section_name): Likewise.
4181 (hot_section_end_label): New global variable (not static)
4182 (first_function_block_is_cold): Likewise.
4183 (hot_section_label): Likewise.
4184 (cold_section_end_label): Likewise..
4185 (last_text_section): New global variable, not static.
4186 (last_text_section_name): New global variable, not static.
4187 (initialize_cold_section_name): New function.
4188 (enum in_section): Move declaration to output.h.
4189 (text_section): Update last_text_section.
4190 (unlikely_text_section): Replace code to determine cold section name
4191 with call to initialize_cold_section_name; Add code to update
4192 last_text_section; remove code for printing out label.
4193 (named_section_real): Add code to update last_text_section and
4194 last_text_section_name as appropriate.
4195 (function_section): Change test for 'unlikely' to depend on
4196 first_function_block_is_cold (moved old test to
4197 current_function_section).
4198 (current_function_section): New function.
4199 (assemble_start_function): Move code that frees
4200 unlikely_text_section_name; initialize hot_section_end_label;
4201 print hot and cold section labels at the start of the function;
4202 set first_function_block_is_cold, if appropriate; initialize l
4203 ast_text_section; add call to insert_section_boundary_note.
4204 (assemble_end_function): Add code to write out hot and cold section
4205 end labels.
4206 *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4207 switch_text_section.
4208 * config/darwin.c (machopic_select_section): Replace incorrect
4209 function in base_funs; update reloc for cold sections if necessary.
4210 * config/darwin.h (SECTION_FUNCTION): Add code to update
4211 last_text_section if appropriate.
4212 (text_unlikely_section): Remove.
4213 * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4214 * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4215 * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4216 partitioning for this architecture.
4218 2005-03-31 Olivier Hainque <hainque@adacore.com>
4220 * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4221 defined and non-zero.
4223 2005-03-31 Gabriel Dos Reis <gdr@integrable-solutions.net>
4225 PR c++/18644
4226 * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4227 semantics.
4229 2005-03-31 Alan Modra <amodra@bigpond.net.au>
4231 PR target/20611
4232 * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4233 label operand. Remove (use (unspec..)). Don't emit a label on
4234 the offset word.
4235 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4236 generate inline label for load_toc_v4_PIC_1b.
4237 (rs6000_emit_load_toc_table): Likewise.
4239 2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
4241 * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4242 ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4244 2005-03-29 Devang Patel <dpatel@apple.com>
4246 * tree-sra.c (decide_block_copy): Disable scalarization of
4247 sub-elements.
4249 2005-03-30 Stuart Hastings <stuart@apple.com>
4250 Dale Johannesen <dalej@apple.com>
4252 * Makefile.in (print-tree.o): Depend on tree-iterator.h.
4253 * print-tree.c (print_node): Add case STATEMENT_LIST.
4255 2005-03-31 Alan Modra <amodra@bigpond.net.au>
4257 * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4258 (powerpc64-*-linux*): Use it. Rearrange tm_file assignment.
4259 (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4260 is given with "powerpc64*" or "all", or when --with-cpu chooses
4261 a 64-bit cpu.
4263 2005-03-30 James E. Wilson <wilson@specifixinc.com>
4265 PR debug/20268
4266 * dwarf2out.c (add_high_low_attributes): New function, extracted from
4267 gen_lexical_block_die.
4268 (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4270 2005-03-31 Jan Hubicka <jh@suse.cz>
4272 2004-11-02 Jan Hubicka <jh@suse.cz>
4274 * cgraph.c (cgraph_varpool_node_name): New function.
4275 (dump_cgraph_varpool_node): New function.
4276 (dump_varpool): New function.
4277 * cgraphunit.c (cgraph_optimize): Dump varpool.
4279 2004-10-16 Jan Hubicka <jh@suse.cz>
4281 * cgraph.c (decide_is_variable_needed): New function.
4282 (cgraph_varpool_finalize_decl): Use it.
4283 * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4284 unit-at-a-time.
4285 * final.c (output_addr_const): Do not call mark_referenced.
4286 * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4287 always go via cgraph.
4288 * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4289 (check_global_declarations): Ifdef out code clearing DECL_RTL.
4290 * tree-optimize.c (execute_inline): Mark functions called.
4291 * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4293 2004-10-11 Jan Hubicka <jh@suse.cz>
4295 * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4296 (cgraph_varpool_last_needed_node): New static variable.
4297 (enqueue_needed_varpool_node): Break out from ...; add items to the
4298 end of queue; update first pointers.
4299 (cgraph_varpool_mark_needed_node): ... here.
4300 (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4301 (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4302 * cgraph.h (cgraph_varpool_node): Add analyzed field.
4303 (cgraph_varpool_first_unanalyzed_node): Declare.
4304 * cgraphunit.c: Include output.h.
4305 (cgraph_varpool_analyze_pending_decls): New function.
4306 (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4307 for errors, analyze pending decls.
4308 (cgraph_finalize_compilation_unit): Only analyze decls.
4309 (cgraph_optimize): Assemble the decls after expanding.
4311 2005-03-30 Daniel Berlin <dberlin@dberlin.org>
4313 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4314 subvars get marked properly in tags for grouping.
4315 (add_pointed_to_var): Mark only actual pointed to
4316 variables/subvars in addresses needed.
4317 (create_overlap_variables_for): Clear call clobbered on original
4318 variable.
4319 * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4320 addresable vars with subvars into list.
4321 * tree-ssa.c (verify_ssa_name): Verify original is not used where
4322 subvar should be.
4324 2005-03-30 Richard Henderson <rth@redhat.com>
4326 * cgraph.h (struct cgraph_node): Add alias.
4327 * varasm.c (assemble_alias): Set it.
4328 * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4329 avoid calling cgraph_expand_function.
4331 2005-03-30 Tom Tromey <tromey@redhat.com>
4333 * tree.def (FILE_TYPE): Removed.
4334 * typeclass.h (enum type_class): Removed file_type_class.
4335 * dwarf2out.c (is_base_type): Updated.
4336 (gen_type_die): Likewise.
4337 * dbxout.c (dbxout_type): Updated.
4338 * builtins.c (type_to_class): Updated.
4339 * tree.c (type_contains_placeholder_1): Updated.
4340 * config/sparc/sparc.c (sparc_type_code): Updated.
4341 * config/ia64/ia64.c (hfa_element_mode): Updated.
4342 * expr.c (count_type_elements): Updated.
4343 * stor-layout.c (layout_type): Updated.
4344 * tree-inline.c (remap_type): Updated.
4345 * tree-pretty-print.c (dump_generic_node): Updated.
4347 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4349 * builtins.c (expand_builtin_powi): Fix mode of
4350 2nd argument to match int.
4351 * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4352 2nd argument type to int.
4353 * libgcc2.c: Change prototype of __powi* functions to use
4354 int.
4356 2005-03-30 Dale Johannesen <dalej@apple.com>
4358 PR middle-end/19225
4359 * calls.c (expand_call): Flush pending deferrals before
4360 throwing call.
4362 2005-03-30 Joseph S. Myers <joseph@codesourcery.com>
4364 PR c/772
4365 PR c/17913
4366 * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4367 C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
4368 c_label_context, label_context_stack): New.
4369 * c-decl.c (define_label): Check for jumps into statement
4370 expressions. Add label to list of defined labels.
4371 (start_function): Push context on label_context_stack.
4372 (finish_function): Pop context from label_context_stack.
4373 * c-typeck.c (label_context_stack): New.
4374 (c_finish_goto_label): Check for jumps into statement
4375 expressions. Add label to list of jumped to labels.
4376 (struct c_switch): Add blocked_stmt_expr.
4377 (c_start_case): Initialize it.
4378 (do_case): Check it.
4379 (c_finish_case): Verify !blocked_stmt_expr.
4380 (c_begin_stmt_expr): Push context on label_context_stack.
4381 Increment blocked_stmt_expr. Mark labels jumped to from outside
4382 as undefinable.
4383 (c_finish_stmt_expr): December blocked_stmt_expr. Mark labels
4384 defined in the statement expression and no longer jumpable to.
4385 Mark labels jumped to from just outside the statement expression
4386 as again definable. Pop context from label_context_stack.
4387 * doc/extend.texi (Statement Exprs): Update.
4389 2005-03-30 Joseph S. Myers <joseph@codesourcery.com>
4391 PR c/20368
4392 * c-decl.c (start_function): Check for old_decl being
4393 error_mark_node.
4395 2005-03-30 Ian Lance Taylor <ian@airs.com>
4397 * final.c (final): Remove prescan parameter. Change all callers.
4398 (final_scan_insn): Remove prescan parameter. Change all callers.
4400 2005-03-30 Kazu Hirata <kazu@cs.umass.edu>
4402 * tree-vectorizer.c: Fix comment typos.
4404 2005-03-30 Sebastian Pop <pop@cri.ensmp.fr>
4406 * tree-scalar-evolution.c (instantiate_parameters_1): Return
4407 as soon as a chrec_dont_know is detected.
4409 2005-03-31 Danny Smith <dannysmith@users.sourceforge.net>
4411 Merge from csl-arm-branch.
4412 2004-02-12 Mark Mitchell <mark@codesourcery.com>
4414 * tlink.c (recompile_files): Do not assume that "rename" can
4415 overwrite an existing file.
4417 2005-03-31 Paolo Bonzini <bonzini@gnu.org>
4419 * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4420 * gcc/configure: Regenerate.
4422 2005-03-30 Alan Modra <amodra@bigpond.net.au>
4424 * doc/install.texi: Update binutils requirement for powerpc*-linux.
4426 * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
4428 * calls.c (struct arg_data): Update "partial" comment.
4429 (load_register_parameters): Update "nregs" comment.
4431 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
4433 * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
4434 (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
4435 (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
4436 (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
4437 (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
4438 (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
4439 than target_flags & 0.
4440 * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
4441 (iq2000_arch, iq2000_parse_cpu): Delete.
4442 (TARGET_HANDLE_OPTION): Override default.
4443 (iq2000_handle_option): New function.
4444 (override_options): Remove -march= and -mcpu= handling.
4445 * config/iq2000/iq2000.opt: New file.
4447 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
4449 * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
4450 * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
4451 (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
4452 (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
4453 (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
4454 (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
4455 (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
4456 (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
4457 (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
4458 (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
4459 (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
4460 (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
4461 (c4x_rpts_cycles_string, c4x_cpu_version_string)
4462 (TARGET_OPTIONS): Delete.
4463 (c4x_rpts_cycles, c4x_cpu_version): Declare.
4464 (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
4465 (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
4466 * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
4467 (c4x_cpu_version_string): Delete.
4468 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4469 (c4x_handle_option): New function. Map -m3x and -m4x options to the
4470 equivalent -mcpu= option.
4471 (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
4472 Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
4473 TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
4474 or clearing the appropriate MASK_* bit.
4475 (c4x_file_start): Use c4x_cpu_version.
4476 * config/c4x/c4x.opt: New file.
4478 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
4480 * doc/options.texi: Document the new MaskExists flag.
4481 * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
4482 if the option has the MaskExists flag.
4484 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
4486 * opt-functions.awk (flag_set_p, test_flag): New functions.
4487 (switch_flags): Use them.
4488 * opth-gen.awk: Use flag_set_p to check for flags.
4489 * optc-gen.awk: Likewise. Use opt_args to check for Init(...) flags.
4491 2005-03-30 Ian Lance Taylor <ian@airs.com>
4493 * config.host (i[34567]86-*-mingw32*): Don't set
4494 host_can_use_collect2 to no.
4496 2005-03-30 Alan Modra <amodra@bigpond.net.au>
4498 PR target/20203
4499 * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
4500 Remove convert_memory_address call duplicating that in memory_address.
4502 2005-03-29 Richard Henderson <rth@redhat.com>
4504 PR c/20519
4505 * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
4506 (build_compound_literal): Likewise. Propagate decl type into the
4507 initializer.
4508 (finish_decl): Likewise. Use new return value from complete_array_type
4509 for zero sized arrays.
4510 (complete_array_type): Move ...
4511 * c-common.c (complete_array_type): ... here. Change first argument
4512 to pointer-to-type-node. Consistently use sizetype for the index
4513 except for zero sized arrays. Detect zero sized arrays for pedantic
4514 mode diagnostics. Create a new type node instead of modifying the
4515 old node in place.
4516 * c-tree.h (complete_array_type): Move decl ...
4517 * c-common.h (complete_array_type): ... here.
4519 2005-03-29 Richard Henderson <rth@redhat.com>
4521 PR tree-opt/19108
4522 * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
4524 2005-03-29 Kazu Hirata <kazu@cs.umass.edu>
4526 * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
4527 debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
4528 rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
4529 tree-profile.c, tsystem.h, value-prof.h: Update copyright.
4531 2005-03-29 Eric Christopher <echristo@redhat.com>
4533 * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
4534 truthvalue conversion removal.
4536 2005-03-29 Ian Lance Taylor <ian@airs.com>
4538 PR bootstrap/14316
4539 * collect2.c: Never include <vfork.h>.
4540 (VFORK_STRING, vfork): Don't define.
4541 (pid): Remove global variable.
4542 (handler): Call raise instead of kill (getpid(), ...).
4543 (collect_wait): Add pex parameter. Change all callers. Use
4544 pex_get_status rather than pwait.
4545 (do_wait): Add pex parameter. Change all callers.
4546 (collect_execute): Return struct pex_obj * rather than void. Use
4547 pex routines rather than pexecute.
4548 (fork_execute): Get pex_obj from collect_execute, and pass it to
4549 do_wait.
4550 (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
4551 Only declare quit_handler if SIGQUIT is defined.
4552 (scan_libraries): Likewise.
4553 * collect2.h (collect_execute): Update declaration.
4554 (collect_wait): Update declaration.
4555 * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
4556 pass it to collect_wait.
4558 2005-03-29 Joseph S. Myers <joseph@codesourcery.com>
4560 PR c/20672
4561 * c-parser.c (c_parser_compound_statement_nostart): Give error
4562 message for EOF instead of just setting parser->error.
4564 2005-03-29 Dorit Naishlos <dorit@il.ibm.com>
4566 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
4567 (slpeel_update_phi_nodes_for_guard1): New function.
4568 (slpeel_update_phi_nodes_for_guard2): New function.
4569 (slpeel_tree_peel_loop_to_edge): Call above new functions instead
4570 of slpeel_update_phi_nodes_for_guard.
4571 (vectorize_loops): Remove call to loop_closed_rewrite.
4572 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
4573 assertion.
4575 2005-03-29 Richard Sandiford <rsandifo@redhat.com>
4577 * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
4578 (TARGET_LITTLE_ENDIAN): New macro.
4579 * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
4580 (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
4581 (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
4582 (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
4583 (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
4584 (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
4585 (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
4586 (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
4587 (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
4588 (TARGET_OPTIONS): Delete.
4589 (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
4590 (CACHE_FLUSH_TRAP): Turn into an integer.
4591 (TARGET_LITTLE_ENDIAN): Define to 0 by default.
4592 (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
4593 -mflush-trap is in use.
4594 * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
4595 (m32r_cache_flush_trap_string): Delete.
4596 (m32r_model) Initialize to M32R_MODEL_DEFAULT.
4597 (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
4598 (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
4599 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4600 (m32r_handle_option): New function. Move -mflush-trap=, -mflush-func=,
4601 -mmodel= and -msdata= handling from...
4602 (m32r_init): ...here.
4603 * config/m32r/m32r.opt: New file.
4605 2005-03-29 Keith Besaw <kbesaw@us.ibm.com>
4607 * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
4608 (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
4609 * tree-vect-analyze.c (vect_object_analysis): additional parm
4610 pass back a "struct ptr_info_def *" with the points-to info.
4611 (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
4612 statement using info returned from vect_object_analysis.
4613 * tree-vect-transform.c (update_vuses_to_preheader): New function.
4614 (vect_create_data_ref_ptr): Remove updates to vars_to_rename
4615 for virtual uses and defs when creating a replacement vector
4616 reference. Call duplicate_ssa_name_ptr_info to define points-to
4617 info for vector pointer replacement using STMT_VINFO_PTR_INFO.
4618 (vectorizable_store): copy_virtual_operands and update
4619 definition statements.
4620 (vectorizable_load): copy_virtual_operands. Remove call to
4621 mark_call_clobbered_vars_to_rename for call to "const" builtin.
4622 * tree-vectorizer.c (vectorize_loops): Remove calls to
4623 rewrite_into_ssa and bitmap_clear (vars_to_rename).
4624 (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
4625 * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
4626 define macro STMT_VINFO_PTR_INFO for use in accessing.
4627 * tree.h add export of duplicate_ssa_name_ptr_info.
4628 * rs6000.c (altivec_init_builtins): Declare builtin function
4629 __builtin_altivec_mask_for_load to be "const".
4631 2005-03-29 Jakub Jelinek <jakub@redhat.com>
4633 PR middle-end/20622
4634 * cgraph.h (struct cgraph_varpool_node): Add alias field.
4635 * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
4636 assemble_variable on aliases.
4637 * varasm.c (assemble_alias): Set node->alias.
4638 * toplev.c (wrapup_global_declarations): Don't call
4639 rest_of_decl_compilation on aliases again.
4641 2005-03-29 Paul Brook <paul@codesourcery.com>
4643 * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
4644 * config/arm/arm.c (arm_dbx_register_number): New function.
4645 * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
4647 2005-03-29 Eric Botcazou <ebotcazou@libertysurf.fr>
4649 PR middle-end/20263
4650 * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
4651 the DECL_NAME, not the DECL_ASSEMBLER_NAME.
4653 2005-03-29 Dale Johannesen <dalej@apple.com>
4655 * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
4656 $(TREE_H) and $(COVERAGE_H).
4657 * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
4658 * opts.c (common_handle_option): Enable tree-based value transforms.
4659 * toplev.c (process_options): Ditto.
4660 * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
4661 refers to references to this type.
4662 * tree-flow.h: (struct stmt_ann_d): Add histograms field.
4663 * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
4664 for may_be_more, may_be_less.
4665 (rtl_gen_pow2_profiler): Adjust.
4666 (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
4667 (rtl_gen_one_value_profiler): Adjust.
4668 (rtl_gen_const_delta_profiler): Adjust.
4669 * tree-profile.c (tree_gen_interval_profiler): Implement.
4670 (tree_gen_pow2_profiler): Ditto.
4671 (tree_gen_one_value_profiler): Ditto.
4672 (tree_profiling): New.
4673 (pass_tree_profile): Reference it.
4674 * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
4675 tree.h, gcov-io.h.
4676 (insn_divmod_values_to_profile): Rename to
4677 rtl_divmod_values_to_profile. Adjust.
4678 (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
4679 (insn_prefetch_values_to_profile): Adjust.
4680 (rtl_value_profile_transformations): Adjust.
4681 (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
4682 (gen_mod_pow2): Rename to rtl_mod_pow2.
4683 (gen_mod_subtract): Rename to rtl_mod_subtract.
4684 (divmod_fixed_value_transform): Rename to
4685 rtl_divmod_fixed_value_transform.
4686 (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
4687 (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
4688 (rtl_find_values_to_profile): Adjust.
4689 (tree_value_profile_transformations): Implement.
4690 (tree_divmod_values_to_profile): New.
4691 (tree_values_to_profile): New.
4692 (tree_divmod_fixed_value): New.
4693 (tree_mod_pow2): New.
4694 (tree_mod_subtract): New.
4695 (tree_divmod_fixed_value_transform): New.
4696 (tree_mod_pow2_value_transform): New.
4697 (tree_mod_subtract_transform): New.
4698 (tree_find_values_to_profile): Implement.
4699 * profile.c (instrument_values): Free histograms.
4700 (compute_value_histograms): Adjust. Implement tree version.
4702 2005-03-29 Uros Bizjak <uros@kss-loka.si>
4704 * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
4705 * config/i386/i386.c (output_fix_trunc): Add new round_mode
4706 variable. Output "fldcw" depending on round_mode.
4707 * config/i386/i386.md (UNSPEC_FIST): New.
4708 (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
4709 New isns patterns to implement lrint and llrint built-ins as x87
4710 intrinsic function.
4711 (fistdi2, fist<mode>2 splitters): New splitters.
4712 (lrint<mode>2): New expanders.
4714 2005-03-28 Ian Lance Taylor <ian@airs.com>
4716 * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
4717 0 when calling final_scan_insn.
4719 2005-03-28 Jan Hubicka <jh@suse.cz>
4721 PR middle-end/20635
4722 * varasm.c (mark_decl_referenced): Do not mark extern inline functions
4723 as needed.
4725 * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
4726 types where possible.
4728 2005-03-26 Per Bothner <per@bothner.com>
4730 Make -f[no-]show-column also control non-cpp diagnostics.
4731 * c.opt (fshow-column): Move option from here ...
4732 * common.opt (fshow-column): ... to here.
4733 * diagnostic.c (diagnostic_build_prefix): Only print column number
4734 if flag_show_column.
4736 2005-03-27 Steven Bosscher <stevenb@suse.de>
4738 * vax-protos.h (vax_output_int_move, vax_output_int_add,
4739 vax_output_conditional_branch): New prototypes.
4740 * vax.c (vax_output_int_move, vax_output_int_add): New functions,
4741 extracted from vax.md mov and add patterns.
4742 (vax_output_conditional_branch): New function to output conditional
4743 branch instructions.
4744 * vax.md: Use mode macros for arithmetic and mov patterns.
4745 Use code macros for the jump patterns.
4747 2005-03-26 Andrew Pinski <pinskia@physics.uc.edu>
4749 * Makefile.in (libbackend.o): Depend on version files;
4750 add custom generation command.
4752 2005-03-26 Andrew Pinski <pinskia@physics.uc.edu>
4754 PR target/20636
4755 * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
4756 sure that we have a REG before getting its REGNO.
4758 2005-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4760 * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
4761 * builtins.def (BUILT_IN_STRNDUP): New.
4763 2005-03-25 Pat Haugen <pthaugen@us.ibm.com>
4765 PR tree-optimization/20470
4766 * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
4767 ABS(x-y).
4769 2005-03-25 Mike Stump <mrs@apple.com>
4771 * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
4772 sized objects.
4774 2005-03-25 Geoffrey Keating <geoffk@apple.com>
4776 * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
4777 Use our own structure definitions.
4779 * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
4780 (fix_truncdfsi2): Allow registers or memory as destination.
4781 When TARGET_PPC_GFXOPT, generate simplified pattern.
4782 (fix_truncdfsi2_internal): Use define_insn_and_split.
4783 (fix_truncdfsi2_internal_gfxopt): New.
4784 (fctiwz): Don't confuse register allocation by giving it no choices.
4785 (stfiwx): New.
4786 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
4787 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4788 * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
4789 * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
4791 2005-03-25 Kazu Hirata <kazu@cs.umass.edu>
4793 * dominance.c (free_dominance_info): Speed up by freeing et
4794 data structures without maintaining other nodes.
4795 * et-forest.c (et_free_tree_force): New.
4796 * et-forest.h: Add a prototype for et_free_tree_force.
4798 * tree.c (get_set_constructor_bits,
4799 get_set_constructor_bytes): Remove.
4800 * tree.h: Remove the corresponding prototypes.
4802 2005-03-25 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
4804 PR target/15491
4805 * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
4806 (vax_rtx_costs): Return false when passed unsupported rtx's. Handle
4807 FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE. Fix costs for POST_INC,
4808 PRE_DEC, NEG and NOT.
4810 2005-03-25 Kazu Hirata <kazu@cs.umass.edu>
4812 * fold-const.c: Convert uses of fold (build (...)) to
4813 fold_buildN.
4815 2005-03-25 Zdenek Dvorak <dvorakz@suse.cz>
4817 PR rtl-optimization/20249
4818 * cse.c (insert_regs): Do not record equivalence of registers in
4819 different modes.
4821 2005-03-24 Kazu Hirata <kazu@cs.umass.edu>
4823 * emit-rtl.c (reverse_comparison): Remove.
4824 * rtl.h: Remove the corresponding prototype.
4826 2005-03-24 James E Wilson <wilson@specifixinc.com>
4828 * doc/install.texi (--enable-altivec): Delete docs.
4830 2005-03-24 David Edelsohn <edelsohn@gnu.org>
4832 * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4833 SFmode and DFmode before reload when
4834 flag_unsafe_math_optimizations not enabled.
4836 2005-03-24 Geoffrey Keating <geoffk@apple.com>
4838 * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4840 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4841 MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4843 2005-03-24 Nathan Sidwell <nathan@codesourcery.com>
4845 * configure.ac (enable-checking): Add 'runtime' option.
4846 * doc/install.texi (enable-checking): Document 'runtime' checking.
4847 * tsystem.h (gcc_assert, gcc_unreachable): Define.
4848 * config.in: Regenerated.
4849 * configure: Regenerated.
4851 2005-03-23 Uros Bizjak <uros@kss-loka.si>
4853 * optabs.h (enum optab_index): Remove OTI_llrint.
4854 (llrint_optab): Remove macro.
4855 * optabs.c (init_optabs): Remove llrint_optab initialization.
4856 * genopinit.c (optabs): Remove llrint_optab implementation.
4857 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4858 using lrint_optab.
4860 2005-03-24 Alexandre Oliva <aoliva@redhat.com>
4862 PR rtl-optimization/20532
4863 * simplify-rtx.c (simplify_binary_operation_1): Protect from
4864 overflow when adding coefficients for PLUS or MINUS.
4865 (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4866 two as multiplier.
4868 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
4870 * langhooks.h (truthvalue_conversion): Remove.
4871 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4872 LANG_HOOKS_TRUTHVALUE_CONVERSION.
4873 * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4874 * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4875 * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4877 2005-03-23 Kazu Hirata <kazu@cs.umass.edu>
4879 * params.def: Fix a typo.
4880 * config/mips/mips.c: Follow the spelling convensions.
4881 * doc/invoke.texi: Fix typos.
4883 2005-03-23 Daniel Berlin <dberlin@dberlin.org>
4885 Fix PR tree-optimization/20601
4887 * tree-ssa-pre.c (insert_aux): Add missing condition to
4888 constification.
4890 2005-03-23 Ian Lance Taylor <ian@airs.com>
4892 * final.c (final_scan_insn): Don't remove no-op instructions.
4893 * reload1.c (reload): Remove simple no-op instructions even when
4894 not optimizing.
4896 2005-03-23 Dorit Naishlos <dorit@il.ib.com>
4898 PR tree-optimization/20501
4899 * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4900 reporting that peeling for alignment is applied moved to...
4901 * (vect_analyze_data_refs_alignment): Here.
4903 2005-03-23 Ian Lance Taylor <ian@airs.com>
4905 * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4907 2005-03-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4909 * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4910 Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4912 2005-03-23 Hans-Peter Nilsson <hp@axis.com>
4914 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4915 imply that this is called once, independent of asms in code.
4916 Adjust to now being pased output and input lists. Mention helper
4917 function decl_overlaps_hard_reg_set_p.
4918 * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4919 hook_tree_tree_identity and to take three trees, returning third.
4920 * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4921 prototype.
4922 * stmt.c: include hard-reg-set.h before tree.h.
4923 (decl_overlaps_hard_reg_set_p): New function, broken out from...
4924 (decl_conflicts_with_clobbers_p): Call
4925 decl_overlaps_hard_reg_set_p.
4926 (expand_asm_operands): Pass output and input lists in call to
4927 targetm.md_asm_clobbers.
4928 * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4929 hook_tree_tree_tree_tree_3rd_identity.
4930 * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4931 parameters.
4932 * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4933 * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4934 parameters, first two unused.
4935 * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4936 parameters. Only add MOF to clobbers if there's no 'h' mentioned
4937 in constraint letters and MOF is not mentioned as a asm-declared
4938 register in neither of the input and output lists.
4940 2005-03-23 DJ Delorie <dj@redhat.com>
4942 * optabs.c (expand_binop): Make sure the first subword's result
4943 gets stored.
4945 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
4947 * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4948 Call c_common_truthvalue_conversion rather than
4949 lang_hooks.truthvalue_conversion.
4950 * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4951 * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4952 c-typeck.c.
4953 * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4954 c_common_truthvalue_conversion.
4955 * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4956 c_parser_conditional_expression, c_parser_binary_expression): Call
4957 c_objc_common_truthvalue_conversion.
4958 * c-typeck.c (build_unary_op): Call
4959 c_objc_common_truthvalue_conversion.
4960 (build_conditional_expr): Do not call
4961 lang_hooks.truthvalue_conversion.
4962 (build_binary_op): Call c_common_truthvalue_conversion.
4963 (c_objc_common_truthvalue_conversion): Moved from
4964 c-objc-common.c. Call default_function_array_conversion instead
4965 of default_conversion.
4967 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
4969 * c-common.h (default_conversion): Remove.
4970 (perform_integral_promotions): Add.
4971 * c-tree.h (default_conversion): Add.
4972 * c-typeck.c (perform_integral_promotions): New, split out from
4973 default_conversion.
4974 * c-common.c (check_case_value): Use perform_integral_promotions,
4975 not default_conversion.
4976 (c_add_case_label): Don't continue processing case label after
4977 found to be pointer.
4979 2005-03-23 Mark Mitchell <mark@codesourcery.com>
4981 * gcc.c (do_spec_1): Do not add a -L path for a directory in
4982 the prefix list if we have already added a multilib directory
4983 based on that path.
4984 (main): Do not add MD_EXEC_PREFIX to the list of directories to
4985 search with -L.
4987 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
4989 * reload1.c (indirect_symref_ok, reload_obstack): Make them
4990 static.
4991 * reload.h: Remove the prototype for indirect_symref_ok.
4993 * reload1.c (indirect_symref_ok): Make it global.
4994 * reload.h: Add a prototype for indirect_symref_ok.
4996 2005-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
4998 * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4999 ashlhi3 expander.
5001 2005-03-22 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
5003 * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5005 2005-03-22 Daniel Berlin <dberlin@dberlin.org>
5007 * c-opts.c (c_common_parse_file): Only start/end main source file
5008 if debug hooks says the writer wants it.
5009 * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5010 member.
5011 (xcoff_debug_hooks): Ditto.
5012 * debug.c (do_nothing_hooks): Ditto.
5013 * debug.h (gcc_debug_hooks): Ditto.
5014 * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5015 * sdbout.c (sdb_debug_hooks): Ditto.
5016 * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5018 2005-03-22 Mark Mitchell <mark@codesourcery.com>
5020 * doc/extend.texi: Deprecate C++ min/max operators.
5022 2005-03-22 Zdenek Dvorak <dvorakz@suse.cz>
5024 * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5025 artificial original candidates.
5027 2005-03-22 Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5028 Jan Hubicka <jh@suse.cz>
5029 Steven Bosscher <stevenb@suse.de>
5031 * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5032 call cost based on argument sizes.
5033 (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5034 inlining.
5035 * params.def: (max-inline-inssn-single): Set to 450.
5036 (max-inline-insns-auto): Set to 90.
5037 (max-inline-insns-recursive): Set to 450
5038 (max-inline-insns-recursive-auto): Set to 450.
5039 (large-function-insns): Set to 2700.
5040 (inline-call-cost): New parameter.
5041 * tree-inline.c (estimate_move_cost): New function.
5042 (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5043 for non-gimple-regs, set cost to 0 for gimple-regs. Compute call size
5044 based on arguments.
5045 * tree-inline.h (estimate_move_cost): Declare.
5046 * invoke.texi: (max-inline-inssn-single): Change default to 450.
5047 (max-inline-insns-auto): Change default to 90.
5048 (max-inline-insns-recursive): Change default to 450
5049 (max-inline-insns-recursive-auto): Change default to 450.
5050 (large-function-insns): Change default to 2700.
5051 (inline-call-cost): Document new parameter.
5053 2005-03-22 Richard Sandiford <rsandifo@redhat.com>
5055 * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5056 (TARGET_DEFAULT): Delete.
5057 * config/i860/i860.opt: New file.
5059 2005-03-22 Richard Sandiford <rsandifo@redhat.com>
5061 * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5062 (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5063 (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5064 (frv_sched_lookahead): Delete.
5065 * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5066 (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5067 (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5068 (MASK_LIBPIC, MASK_ACC_4, MASK_PACK, MASK_LONG_CALLS)
5069 (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5070 (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5071 (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5072 (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5073 (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5074 (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5075 (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5076 (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5077 (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5078 (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5079 (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5080 (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5081 (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5082 (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5083 (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5084 (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5085 (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5086 (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5087 * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5088 (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5089 (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5090 (frv_sched_lookahead): Delete.
5091 (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5092 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5093 (frv_handle_option): New function. Move -mcpu= handling from...
5094 (frv_override_options): ...here. Remove handling of other
5095 TARGET_OPTIONS.
5096 (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5097 TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5098 (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5099 and TARGET_NO_MULTI_CE.
5100 (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5101 !TARGET_VLIW_BRANCH.
5102 * config/frv/frv.opt: New file.
5104 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
5106 * fold-const.c (fold_ternary): Take decomposed arguments of
5107 CALL_EXPR.
5108 (fold): Update a call to fold_ternary.
5110 * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5111 * tree.h: Add corresponding prototypes.
5113 2005-03-22 Jakub Jelinek <jakub@redhat.com>
5115 PR target/20561
5116 * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5117 between jump table and its label.
5118 * final.c (shorten_branches): Handle notes in between ADDR_VEC
5119 resp. ADDR_DIFF_VEC and the label preceeding it.
5120 (final_scan_insn): Likewise. Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5121 is emitted in the right section.
5123 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
5125 * fold-const.c (fold_unary, fold_binary): Update comments
5126 about arguments.
5128 2005-03-22 Hans-Peter Nilsson <hp@axis.com>
5130 PR rtl-optimization/20527
5131 * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5132 REG_INC note, test that the register also isn't mentioned in PRED
5133 or SUCC.
5135 2005-03-22 Ben Elliston <bje@au.ibm.com>
5137 * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5138 and definition.
5140 2005-03-21 Mike Stump <mrs@apple.com>
5142 * varasm.c (default_assemble_visibility): Remove extra ().
5144 2005-03-21 Roger Sayle <roger@eyesopen.com>
5146 PR middle-end/20557
5147 * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5148 to determine whether a block can be duplicated, rather than test
5149 whether the block contains noncopyable insns ourselves.
5151 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5153 * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5154 predicates.
5156 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
5158 * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5160 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
5162 * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5163 (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5164 * config/fr30/fr30.opt: New file.
5166 2005-03-18 Daniel Berlin <dberlin@dberlin.org>
5168 Fix PR tree-optimization/20542
5170 * tree-flow-inline.h (overlap_subvar): Move to here.
5171 * tree-ssa-operands.c: From here.
5172 * tree-flow.h (overlap_subvar): Declare.
5173 * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5174 * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5175 for variables with subvars.
5177 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5179 PR middle-end/20177
5180 * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5181 * modulo-sched.c (const_iteration_count): Return on NULL
5182 pre-header.
5183 (print_node_sched_params): Return on NULL dump_file.
5184 (generate_reg_moves): Handle reg-anti dependencies and disregard
5185 closing branch when generating register moves.
5186 (sms_schedule): Mark the SMSed block dirty.
5187 * passes.c (rest_of_handle_sms): Call update_life_info for all
5188 basic-blocks.
5189 * testsuite/gcc.dg/20050321-1.c: New test.
5191 2005-03-21 Bob Wilson <bob.wilson@acm.org>
5193 * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5194 * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5195 movqi_internal): Likewise.
5197 2005-03-21 Bob Wilson <bob.wilson@acm.org>
5199 * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5200 xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5201 xtensa_b4const): Delete prototypes.
5202 (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5203 xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5204 (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5205 xtensa_extra_constraint): New prototypes.
5206 (add_operand, arith_operand, nonimmed_operand, mem_operand,
5207 mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5208 lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5209 move_operand, const_float_1_operand, fpmem_offset_operand,
5210 branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5211 * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5212 (xtensa_b4const_or_zero): ...this. Change return type to bool and
5213 argument type to HOST_WIDE_INT.
5214 (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5215 xtensa_mask_immediate): Likewise.
5216 (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5217 Likewise. Also make these functions static.
5218 (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5219 (xtensa_const_ok_for_letter_p): New.
5220 (add_operand, arith_operand, nonimmed_operand, mem_operand,
5221 mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5222 lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5223 move_operand, const_float_1_operand, fpmem_offset_operand,
5224 branch_operator, ubranch_operator, boolean_operator): Move to
5225 predicates.md.
5226 (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5227 (xtensa_mem_offset): Change return type to bool.
5228 (xtensa_extra_constraint): New.
5229 (gen_int_relational): Update type of const_range_p function pointer.
5230 Use xtensa_b4const_or_zero.
5231 * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5232 xtensa_const_ok_for_letter_p. Update comments.
5233 (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5234 (PREDICATE_CODES): Delete.
5235 * config/xtensa/xtensa.md: Include predicates.md.
5236 * config/xtensa/predicates.md: New file.
5238 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5240 * config/v850/v850-protos.h: Remove the prototypes for
5241 reg_or_int9_operand, reg_or_const_operand,
5242 pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5243 reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5244 movsi_source_operand, power_of_two_operand,
5245 not_power_of_two_operand, special_symbolref_operand,
5246 pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5247 register_is_ok_for_epilogue.
5248 * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5249 reg_or_int9_operand, reg_or_const_operand,
5250 call_address_operand, special_symbolref_operand,
5251 movsi_source_operand, power_of_two_operand,
5252 not_power_of_two_operand, register_is_ok_for_epilogue,
5253 pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5254 pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5255 predicates.md.
5256 * config/v850/v850.h (PREDICATE_CODES): Remove.
5257 * config/v850/v850.md: Include predicates.md.
5258 * config/v850/predicates.md: New.
5260 2005-03-21 Zack Weinberg <zack@codesourcery.com>
5262 * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5263 (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5264 (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5265 (itoolsdir, itoolsdatadir): Move definition above new first use.
5266 (install-itoolsdirs): New rule.
5267 (install-mkheaders): Depend on install-itoolsdirs, not
5268 install-include-dir.
5270 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5272 * tree-into-ssa.c: Remove obsolete comments.
5274 2005-03-21 Richard Guenther <rguenth@gcc.gnu.org>
5276 * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5277 unrolling if -fpeel-loops is specified, too.
5278 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5279 Remove superfluous check for flag_unroll_loops.
5281 2005-03-21 Uros Bizjak <uros@kss-loka.si>
5283 * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5284 (lrint_optab, llrint_optab): Define corresponding macros.
5285 * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5286 * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5287 pattern and llrint_optab using llrintdi2 patterns.
5288 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5289 using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5290 (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5291 BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5292 flag_unsafe_math_optimizations is set.
5294 2005-03-21 Paolo Bonzini <bonzini@gnu.org>
5296 * combine.c (combine_simplify_rtx, simplify_if_then_else,
5297 simplify_logical, if_then_else_cond, known_cond,
5298 simplify_comparison): Adjust calls to reverse_comparison.
5299 Don't use combine_reversed_comparison_code).
5300 (combine_reversed_comparison_code): Remove.
5301 (reversed_comparison): Using reversed_comparison_code, move it...
5302 * jump.c (reversed_comparison): ... here.
5303 * rtl.h (reversed_comparison): Add prototype.
5305 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5307 * builtins.c (fold_builtin): Take decomposed arguments of
5308 CALL_EXPR.
5309 * fold-const.c (fold_ternary): Update a call to fold_builtin.
5310 * gimplify.c (gimplify_call_expr): Likewise.
5311 * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5312 * tree.h: Update the prototype of fold_builtin.
5314 2005-03-21 Paolo Bonzini <bonzini@gnu.org>
5316 * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5317 * rtlhooks.c (gen_lowpart_no_emit_general): New.
5318 * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5319 (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5320 * simplify-rtx.c (simplify_binary_operation_1): Use it.
5322 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5324 * builtins.c (fold_builtin_1): Take decomposed arguments of
5325 CALL_EXPR.
5326 (fold_builtin): Update a call to fold_builtin_1.
5328 2005-03-21 Nathan Sidwell <nathan@codesourcery.com>
5330 PR other/20564
5331 * gcov.c (output_lines): Only output function block summary when
5332 outputting branch information.
5333 * doc/gcov.texi: Document format of preamble and additional block
5334 information lines.
5336 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
5338 * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5339 (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5340 the defaults false if BITS_PER_UNIT != 8.
5341 (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5342 (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5343 than BITS_PER_UNIT != 8.
5344 (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5345 (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5346 (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5347 #undefs.
5348 * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5349 (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5351 2005-03-20 Roger Sayle <roger@eyesopen.com>
5353 PR middle-end/20539
5354 * fold-const.c (fold_binary): Fix type mismatch between
5355 TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5356 (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5357 for non-truth-valued expressions.
5359 * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5360 and FUNCTION_DECL in the main switch.
5361 <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5362 TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5363 we also need to convert their operands to match.
5364 <TRUTH_NOT_EXPR>: Likewise.
5366 2005-03-21 Joseph S. Myers <joseph@codesourcery.com>
5368 * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
5369 diagnostic without checking whether an lvalue.
5370 * c-common.h (lvalue_p): Remove.
5371 (enum lvalue_use): Update comment.
5372 (lvalue_or_else): Replace by lvalue_error.
5373 * c-typeck.c (lvalue_p): Make static.
5374 (lvalue_or_else): New. Call lvalue_error.
5376 2005-03-21 Alan Modra <amodra@bigpond.net.au>
5378 * config/rs6000/rs6000.c (rs6000_parm_start): New function.
5379 (function_arg_advance): Use rs6000_parm_start.
5380 (function_arg, rs6000_arg_partial_bytes): Likewise.
5382 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
5384 * c-common.c (check_case_value): Adjust comment about stripping
5385 NOPs.
5386 (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
5387 * c-typeck.c (default_conversion, convert_arguments,
5388 build_modify_expr, convert_for_assignment, store_init_value,
5389 digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
5390 manually. Remove inaccurate comments.
5392 2005-03-20 Roger Sayle <roger@eyesopen.com>
5393 Joseph S. Myers <joseph@codesourcery.com>
5395 * varasm.c (do_assemble_alias): Restore comment describing function.
5396 Annotate the target parameter as potentially unused.
5398 2005-03-20 Marek Michalkiewicz <marekm@amelek.gda.pl>
5400 PR target/18551
5401 * config/avr/avr.c (avr_output_function_prologue): Do not use
5402 current_function_name() in a label, use a local label instead.
5404 2005-03-20 David Edelsohn <edelsohn@gnu.org>
5406 * config/rs6000/rs6000.c (rs6000_generate_compare): Test
5407 flag_finite_math_only, not flag_unsafe_math_optimizations.
5409 2005-03-20 Kazu Hirata <kazu@cs.umass.edu>
5411 * builtins.c (fold_builtin_1): Update a call to
5412 targetm.fold_builtin.
5413 * hooks.c (hook_tree_tree_bool_null): Rename to
5414 hook_tree_tree_tree_bool_null. Take one more argument of type
5415 tree.
5416 * hooks.h: Update the prototype of hook_tree_tree_bool_null.
5417 * target-def.h (TARGET_FOLD_BUILTIN): Define it as
5418 hook_tree_tree_tree_bool_null.
5419 * target.h (gcc_target): Update the prototype of fold_builtin.
5420 * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
5421 arguments of CALL_EXPR.
5422 * doc/tm.texi (TARGET_FOLD_BUILTIN): Update. Mention the
5423 new prototype.
5425 2005-03-20 Jan Hubicka <jh@suse.cz>
5427 * cgraph.h (cgraph_node): Add prev_clone pointer.
5428 * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
5429 (cgraph_clone_node): Produce doubly linked chain.
5431 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
5433 * c-common.c (handle_aligned_attribute, check_function_sentinel,
5434 get_nonnull_operand, handle_sentinel_attribute,
5435 check_function_arguments_recurse): Do not strip NOPS from
5436 INTEGER_CSTs.
5437 * c-decl.c (check_bitfield_type_and_width, build_enumerator):
5438 Likewise.
5439 * c-format.c (get_constant): Likewise.
5440 * c-parser.c (c_parser_postfix_expression): Likewise.
5441 * c-typeck.c (set_init_index): Likewise.
5442 (convert_arguments): Don't check for NOP_EXPR containing integer
5443 constant.
5445 2005-03-20 Kazu Hirata <kazu@cs.umass.edu>
5447 * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
5448 fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
5449 Take decomposed arguments of CALL_EXPR.
5450 (fold_builtin_1): Update calls to the functions mentioned
5451 above.
5453 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
5455 * c-decl.c (check_bitfield_type_and_width): Require bit-field
5456 width to have integer type.
5457 (build_enumerator): Require enumerator value to have integer type.
5459 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
5461 * doc/extend.texi (__builtin_inf): Move statement about INFINITY
5462 to __builtin_inff.
5464 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
5466 * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
5467 std=iso9899:199x): Correct descriptions.
5469 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
5471 * config.gcc: Consistently use solaris2.1[0-9]* instead of
5472 solaris2.1[0-9].
5474 2005-03-19 Kazu Hirata <kazu@cs.umass.edu>
5476 * builtins.c (fold_builtin_memcpy): Take decomposed arguments
5477 of CALL_EXPR.
5478 (expand_builtin_memcpy, fold_builtin_1): Update calls to
5479 fold_builtin_memcpy.
5481 * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
5482 arguments of CALL_EXPR.
5483 (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
5484 fold_builtin_found, fold_builtin_1): Update calls to
5485 fold_trunc_transparent_mathfn.
5487 2005-03-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5489 PR middle-end/20493
5490 * fold-const.c (fold_widened_comparison): Don't optimize casts of
5491 function pointers on targets that require function pointer
5492 canonicalization.
5493 (fold_sign_changed_comparison): Likewise.
5495 2005-03-19 Bernd Schmidt <bernd.schmidt@analog.com>
5497 * combine.c (try_combine): When changing the mode of a hard reg, make
5498 sure that doing so is valid.
5500 2005-03-19 Richard Sandiford <rsandifo@redhat.com>
5502 * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
5503 (TARGET_HANDLE_OPTION): Override default.
5504 (avr_handle_option): New function.
5505 * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
5506 (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
5507 (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
5508 (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
5509 (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
5510 (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
5511 (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
5512 (TARGET_OPTIONS): Delete.
5513 * config/avr/avr.opt: New file.
5515 2005-03-18 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
5517 * config/m32r/m32r-protos.h: Remove the prototypes for
5518 call_address_operand, symbolic_operand, seth_add3_operand,
5519 cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5520 reg_or_uint16_operand, reg_or_cmp_int16_operand,
5521 two_insn_const_operand, move_src_operand,
5522 move_double_src_operand, move_dest_operand,
5523 eqne_comparison_operator, signed_comparison_operator,
5524 large_insn_p, conditional_move_operand, carry_compare_operand,
5525 m32r_block_immediate_operand, extend_operand,
5526 reg_or_eq_int16_operand, int8_operand, and
5527 reg_or_zero_operand.
5528 * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5529 seth_add3_operand, int8_operand, cmp_int16_operand,
5530 uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5531 reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5532 reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5533 move_double_src_operand, move_dest_operand,
5534 eqne_comparison_operator, signed_comparison_operator,
5535 extend_operand, small_insn_p, large_insn_p,
5536 conditional_move_operand, carry_compare_operand,
5537 m32r_block_immediate_operand): Move to predicates.md.
5538 (MAX_MOVE_BYTES): Move to m32r.h.
5539 * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5540 * config/m32r/m32r.md: Include predicates.md.
5541 * config/m32r/predicates.md: New.
5543 2005-03-18 James E Wilson <wilson@specifixinc.com>
5545 PR c++/19769
5546 * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
5547 origin.
5549 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
5551 * config/mn10300/mn10300-protos.h: Remove the prototypes for
5552 call_address_operand, const_8bit_operand.
5553 * config/mn10300/mn10300.c (call_address_operand,
5554 const_8bit_operand, const_1f_operand): Move to predicates.md.
5555 * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
5556 * config/mn10300/mn10300.md: Include predicates.md.
5557 * config/mn10300/predicates.md: New.
5559 2005-03-18 Joseph S. Myers <joseph@codesourcery.com>
5561 * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
5562 declarations in diagnostics and %E for identifiers, not %s.
5564 2005-03-18 Jan Hubicka <jh@suse.cz>
5565 Dale Johannesen <dalej@apple.com>
5567 * basic-block.h (scale_bbs_frequencies_int,
5568 scale_bbs_frequencies_gcov_type): Declare.
5569 * cfg.c (RDIV): New macro.
5570 (update_bb_frequency_for_threading): Fix.
5571 * basic-block.h (scale_bbs_frequencies_int,
5572 scale_bbs_frequencies_gcov_type): New.
5573 * cfgloopmanip.c (scale_bbs_frequencies): Kill.
5574 (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
5575 scale_bbs_frequencies_int.
5576 * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
5578 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
5580 * config/m32r/m32r-protos.h: Remove the prototypes for
5581 call_address_operand, symbolic_operand, seth_add3_operand,
5582 cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5583 reg_or_uint16_operand, reg_or_cmp_int16_operand,
5584 two_insn_const_operand, move_src_operand,
5585 move_double_src_operand, move_dest_operand,
5586 eqne_comparison_operator, signed_comparison_operator,
5587 large_insn_p, conditional_move_operand, carry_compare_operand,
5588 m32r_block_immediate_operand, extend_operand,
5589 reg_or_eq_int16_operand, int8_operand, and
5590 reg_or_zero_operand.
5591 * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5592 seth_add3_operand, int8_operand, cmp_int16_operand,
5593 uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5594 reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5595 reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5596 move_double_src_operand, move_dest_operand,
5597 eqne_comparison_operator, signed_comparison_operator,
5598 extend_operand, small_insn_p, large_insn_p,
5599 conditional_move_operand, carry_compare_operand,
5600 m32r_block_immediate_operand): Move to predicates.md.
5601 (MAX_MOVE_BYTES): Move to m32r.h.
5602 * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5603 * config/m32r/m32r.md: Include predicates.md.
5604 * config/m32r/predicates.md: New.
5606 * config/pa/pa-protos.h: Add prototypes for magic_milli and
5607 shadd_constant_p.
5608 * config/pa/pa.c (reg_or_0_operand, call_operand_address,
5609 symbolic_operand, symbolic_memory_operand,
5610 reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
5611 indexed_memory_operand, move_dest_operand, move_src_operand,
5612 prefetch_cc_operand, prefetch_nocc_operand,
5613 reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
5614 arith_operand, arith11_operand, pre_cint_operand,
5615 post_cint_operan, arith_double_operand, ireg_or_int5_operand,
5616 ireg_operand, int5_operand, uint5_operand, int11_operand,
5617 uint32_operand, arith5_operand, and_operand, ior_operand,
5618 lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
5619 pc_or_label_operand, div_operand, plus_xor_ior_operator,
5620 shadd_operand, movb_comparison_operator,
5621 cmpib_comparison_operator): Move to predicates.md.
5622 (magic_milli, shadd_constant_p): Make it extern.
5623 * config/pa/pa.h (PREDICATE_CODES): Remove.
5624 * config/pa/pa.md: Include predicates.md.
5625 * config/pa/predicates.md: New.
5627 * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
5628 predicate.
5630 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
5632 * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
5633 config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
5634 config/alpha/freebsd.h, config/alpha/linux.h,
5635 config/alpha/netbsd.h, config/alpha/osf5.h,
5636 config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
5637 config/h8300/h8300-protos.h, config/h8300/h8300.c,
5638 config/h8300/h8300.h, config/ia64/unwind-ia64.c,
5639 doc/cppopts.texi: Update copyright.
5641 2005-03-18 Jan Hubicka <jh@suse.cz>
5643 PR middle-end/20225
5644 * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
5645 too late.
5646 * varasm.c (find_decl_and_mark_needed): Mark needed only when not
5647 called too late.
5649 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
5651 * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
5652 VEC_safe_push.
5654 2005-03-18 Paolo Bonzini <bonzini@gnu.org>
5656 * combine.c (gen_binary): Remove.
5657 (known_cond, simplify_shift_const, find_split_point,
5658 combine_simplify_rtx, simplify_if_then_else, simplify_set,
5659 simplify_logical, expand_field_assignment, extract_left_shift,
5660 force_to_mode, if_then_else_cond, apply_distributive_law,
5661 simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
5662 simplify_comparison, reversed_comparison): Replace with
5663 simplify_gen_binary, simplify_gen_relational or
5664 distribute_and_simplify_rtx.
5665 (distribute_and_simplify_rtx): New function.
5667 2005-03-18 Alexey Neyman <alex.neyman@auriga.ru>
5668 Paolo Bonzini <gcc.gnu.org>
5670 * calls.c (setjmp_call_p, special_function_p): Update comments
5671 at the head of the functions.
5673 2005-03-18 Jan Hubicka <jh@suse.cz>
5675 * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
5677 * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
5678 function body should be released; do not proactively release function
5679 bodies in non-unit-at-a-time mode.
5681 2005-03-18 Ralf Corsepius <ralf.corsepius@rtems.org>
5683 * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
5684 mno-fp-ret-in-387 multilib variants.
5686 2005-03-18 Richard Sandiford <rsandifo@redhat.com>
5688 * common.opt (m): Remove.
5689 * opts.c (handle_option): Pass 'm' options to set_target_switch if
5690 table lookup fails.
5691 (common_handle_option): Remove OPT_m case.
5693 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
5695 * builtins.c (fold_builtin_bitop): Take decomposed arguments
5696 of CALL_EXPR.
5697 (fold_builtin_1): Update a call to fold_builtin_bitop.
5699 * builtins.c (fold_builtin_signbit): Take decomposed arguments
5700 of CALL_EXPR.
5701 (fold_builtin_1): Update a call to fold_builtin_signbit.
5703 2005-03-17 Dorit Naishlos <dorit@il.ibm.com>
5705 PR tree-optimization/20474
5706 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
5707 size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
5709 2005-03-17 Kazu Hirata <kazu@cs.umass.edu>
5711 * config/h8300/h8300-protos.h: Remove prototypes for
5712 general_operand_src, general_operand_dst, single_one_operand,
5713 single_zero_operand, call_insn_operand,
5714 two_insn_adds_subs_operand, small_call_insn_operand,
5715 jump_address_operand, bit_operand, bit_memory_operand,
5716 stack_pointer_operand, const_int_gt_2_operand,
5717 const_int_ge_8_operand, const_int_qi_operand,
5718 const_int_hi_operand, incdec_operand, bit_operator,
5719 nshift_operator, eqne_operator, gtle_operator,
5720 gtuleu_operator, iorxor_operator.
5721 Add prototypes for h8sx_shift_type h8sx_classify_shift and
5722 h8300_ldm_stm_parallel.
5723 * config/h8300/h8300.c (h8sx_shift_type,): Move to
5724 h8300-protos.h.
5725 (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
5726 SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
5727 (h8300_ldm_stm_parallel): Make it extern.
5728 (h8300_ldm_parallel, h8300_stm_parallel,
5729 h8300_return_parallel, general_operand_src,
5730 general_operand_dst, h8300_dst_operand, h8300_src_operand,
5731 nibble_operand, reg_or_nibble_operand, single_one_operand,
5732 single_zero_operand, call_insn_operand,
5733 two_insn_adds_subs_operand, small_call_insn_operand,
5734 jump_address_operand, bit_operand, bit_memory_operand,
5735 stack_pointer_operand, const_int_gt_2_operand,
5736 const_int_ge_8_operand, const_int_qi_operand,
5737 const_int_hi_operand, incdec_operand, eqne_operator,
5738 gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
5739 h8sx_binary_memory_operator, h8sx_unary_memory_operator,
5740 h8sx_unary_shift_operator, h8sx_binary_shift_operator,
5741 nshift_operator): Move to predicates.md.
5742 * config/h8300/h8300.h (PREDICATE_CODES): Remove.
5743 * config/h8300/h8300.md: Include predicates.md.
5744 * config/h8300/predicates.md: New.
5746 2005-03-17 Richard Henderson <rth@redhat.com>
5748 * config.gcc (ia64*-*-hpux*): Add extra_options.
5749 * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
5750 (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5751 * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
5752 (ia64_tls_size_string, ia64_tune_string): Remove.
5753 (ia64_tune): Init to PROCESSOR_ITANIUM2.
5754 (TARGET_DEFAULT_TARGET_FLAGS): New.
5755 (TARGET_HANDLE_OPTION): New.
5756 (ia64_override_options): Move options parsing ...
5757 (ia64_handle_option): ... here. New.
5758 * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
5759 MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
5760 MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
5761 MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
5762 MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
5763 MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
5764 MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
5765 TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
5766 TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
5767 TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
5768 TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
5769 TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
5770 TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
5771 TARGET_EARLY_STOP_BITS): Remove.
5772 (TARGET_ILP32): Default false.
5773 (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
5774 (enum ia64_inline_type): New.
5775 (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5776 * config/ia64/ia64.md: Update for new definitions of
5777 TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
5778 * config/ia64/ia64.opt: New file.
5779 * config/ia64/ilp32.opt: New file.
5781 2005-03-17 H.J. Lu <hongjiu.lu@intel.com>
5783 PR target/18380
5784 * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
5786 2005-03-17 Kazu Hirata <kazu@cs.umass.edu>
5788 * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
5789 instead of MASK_H8300S.
5790 * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
5791 MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
5792 MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
5793 MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
5794 TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
5795 TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
5796 TARGET_SWITCHES): Remove.
5797 (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
5798 TARGET_H8300SX.
5799 * config/h8300/h8300.opt: New.
5801 * config/alpha/alpha.opt, config/arc/arc.opt,
5802 config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
5803 notices.
5805 2005-03-17 Ian Lance Taylor <ian@airs.com>
5807 * gmon.c: Remove.
5809 2005-03-17 Richard Sandiford <rsandifo@redhat.com>
5811 * config/arc/arc.c (arc_cpu_string): Make static. Default to "base"
5812 (arc_text_string, arc_data_string, arc_rodata_string): Make static.
5813 (TARGET_HANDLE_OPTION): Override default.
5814 (arc_handle_option): New function.
5815 (arc_init): Remove code to set arch_cpu_string.
5816 * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5817 (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5818 (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5819 (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5820 (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5821 (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5822 (arc_rodata_string, TARGET_OPTIONS): Delete.
5823 * config/arc/arc.opt: New file.
5825 2005-03-17 Richard Henderson <rth@redhat.com>
5827 * doc/extend.texi (Weak Pragmas): New section.
5828 (attribute alias): Clarify that target must be in the same
5829 translation unit.
5831 2005-03-17 Richard Henderson <rth@redhat.com>
5833 * config/alpha/alpha.opt: New file.
5834 * config/alpha/alpha.c (alpha_tune): New. Rename all existing uses
5835 of alpha_cpu.
5836 (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5837 alpha_fprm_string, alpha_fptm_string): Make static.
5838 (alpha_tls_size_string): Remove.
5839 (alpha_handle_option): New.
5840 (override_options): Update for alpha_cpu/alpha_tune split.
5841 (alpha_file_start): Likewise.
5842 (TARGET_DEFAULT_TARGET_FLAGS): New.
5843 (TARGET_HANDLE_OPTION): New.
5844 * config/alpha/alpha.h (alpha_tune): Declare.
5845 (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5846 MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5847 MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5848 TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5849 TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5850 TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5851 MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5852 MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5853 TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5854 TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5855 (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5856 (TARGET_DEFAULT): Remove MASK_FP.
5857 (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5858 (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5859 (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5860 alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5861 alpha_tls_size_string): Remove.
5862 * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5863 (attribute tune): Rename from attribute cpu.
5864 * config/alpha/ev4.md: Update to match.
5865 * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5866 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5867 * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5868 * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5869 * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5870 * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5872 2005-03-16 James E. Wilson <wilson@specifixinc.com>
5874 * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5875 and return without creating new state if before_nops_num is nonzero.
5876 * config/ia64/ia64.md (first_insn): New attribute.
5877 (alloc): Set it to yes.
5879 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
5881 * tree-vectorizer.c (new_vec_stmt_info): Initialize
5882 STMT_VINFO_SUBVARS to NULL.
5883 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5885 2005-03-16 Dale Johannesen <dalej@apple.com>
5887 * rtlanal.c (find_first_parameter_load): Rewrite to
5888 return actual first param load or the call if none,
5889 instead of first in block, when not all loads exist.
5891 2005-03-16 Roger Sayle <roger@eyesopen.com>
5893 * optabs.c (expand_copysign_absneg): Make static.
5894 * optabs.h (expand_copysign_absneg): Delete prototype.
5895 * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5897 2005-03-16 Richard Henderson <rth@redhat.com>
5899 PR middle-end/15700
5900 * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5901 (alias_pairs): Rename from output_defs.
5902 (find_decl_and_mark_needed): Split out from assemble_alias.
5903 (do_assemble_alias): New.
5904 (assemble_output_def): Remove.
5905 (finish_aliases_1, finish_aliases_2): New.
5906 (process_pending_assemble_output_defs): Remove.
5907 (assemble_alias): Defer aliases for which we don't yet have a
5908 non-external decl for the target symbol.
5909 * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5910 * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5911 * toplev.c (compile_file): Use finish_aliases_2 instead of
5912 process_pending_assemble_output_defs.
5913 * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5914 (process_pending_assemble_output_defs): Remove.
5916 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
5918 Fix PR tree-optimization/20489
5920 * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5921 for empty structures.
5923 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
5925 Fix PR tree-optimization/20490
5927 * tree-ssa-pre.c (create_expression_by_pieces): Use
5928 force_gimple_operand on result of fold.
5930 2005-03-16 Andrew Pinski <pinskia@physics.uc.edu>
5932 * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5933 of closing parenthesis.
5935 2005-03-16 Kazu Hirata <kazu@cs.umass.edu>
5937 * builtins.c (expand_movstr): Update a call to
5938 fold_builtin_strcpy.
5939 (expand_builtin_strncpy): Update a call to
5940 fold_builtin_strncpy.
5941 (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5942 arguments of CALL_EXPR.
5943 (fold_builtin_1): Update calls to fold_builtin_strcpy and
5944 fold_builtin_strncpy.
5945 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5946 * tree.h: Update the prototypes of fold_builtin_strcpy and
5947 fold_builtin_strncpy.
5949 2005-03-16 Steven Bosscher <stevenb@suse.de>
5950 Dorit Naishlos <dorit@il.ibm.com>
5952 * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5953 UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5954 error.
5956 2005-03-16 Steven Bosscher <stevenb@suse.de>
5958 * tree-inline.c (walk_type_fields, walk_tree,
5959 walk_tree_without_duplicates): Move from here...
5960 * tree.c: ...to here.
5962 2005-03-15 Zack Weinberg <zack@codesourcery.com>
5964 * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5965 * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5966 (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5967 (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5968 (version): Define using $(BASEVER_c).
5969 (Makefile, config.status, build/gcov-iov.o): No longer depends on
5970 version.c.
5971 (version.o): Depend on version files; add custom generation command.
5972 (prefix.o): Define BASEVER on command line.
5973 (s-iov): Depend on version files; adjust command.
5974 (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5975 Add gcc-vers.texi.
5976 (gcc-vers.texi): New rule.
5977 (doc/%.info, doc/%.dvi): Add -I . to command line.
5978 (doc/gccinstall.dvi): Likewise.
5979 (PACKAGE): Delete. All uses replaced with "gcc".
5980 * aclocal.m4: Do not include gcc-version.m4.
5981 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5982 Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5983 Set is_release based on contents of DEV-PHASE.
5984 Set gcc_version based on contents of BASE-VER.
5985 Define WIN32_REGISTRY_KEY only if the user overrode the default.
5986 * config.in, configure: Regenerate.
5987 * gccbug.in: Determine version of GCC in use at runtime.
5988 * gcov-iov.c: Get version number and development phase from
5989 command line, not by including version.c.
5990 * intl.c: Replace all uses of PACKAGE with "gcc".
5991 * libada-mk.in: Delete unused "gcc_version" variable.
5992 * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5993 * version.c: (VERSUFFIX): New hook for redistributors; adjust
5994 commentary to match.
5995 (version_string): Put together from pieces.
5996 * config/alpha/x-vms: Do not use $(gcc_version).
5997 * config/i386/t-nwld: Likewise.
5998 * doc/include/gcc-common.texi: Include gcc-vers.texi for
5999 version-GCC and DEVELOPMENT.
6001 2005-03-15 Roger Sayle <roger@eyesopen.com>
6003 PR tree-optimization/17454
6004 * tree.c (tree_size): Add case for TREE_BINFO.
6005 * fold-const.c (fold_checksum_tree): Only clear the overloaded
6006 field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6008 2005-03-15 Roger Sayle <roger@eyesopen.com>
6010 * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6011 op1 whilst expanding the signed widenening multiply variant.
6013 2005-03-15 Richard Sandiford <rsandifo@redhat.com>
6015 * toplev.c (display_target_options): Avoid unused variable warning if
6016 TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6017 * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6018 (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6019 (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6020 (mips_isa_info): New variable.
6021 (mips_parse_cpu): Remove the first argument and leave the caller
6022 to report errors.
6023 (TARGET_HANDLE_OPTION): Override default.
6024 (mips_handle_option): New function. Move option validation code from...
6025 (override_options): ...here. Update calls to mips_parse_cpu.
6026 * config/mips/mips.h (mips_arch_string, mips_tune_string)
6027 (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6028 (SUBTARGET_TARGET_OPTIONS): Delete.
6029 * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6030 (mno-flush-func, mtune=): New options.
6032 2005-03-15 Roger Sayle <roger@eyesopen.com>
6033 Richard Henderson <rth@redhat.com>
6035 * real.c (c4x_single_format, c4x_extended_format): Provide values
6036 for signbit_ro for c4x's single and extended floating point formats.
6037 * optabs.c (expand_copysign): Use the floating point format's
6038 signbit_ro for expanding via expand_copysign_absneg, and it's
6039 signbit_rw field for expanding via expand_copysign_bit.
6041 2005-03-15 Dorit Naishlos <dorit@il.ibm.com>
6043 * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6044 known_alignment_for_access_p.
6045 (known_alignment_for_access_p): New.
6046 (do_peeling_for_alignment): Field made int instead of bool and renamed
6047 to peeling_for_alignment.
6048 (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6049 * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6050 functionality used to be in vect_analyze_operations.
6051 (vect_analyze_operations): Code to determine vectorization factor was
6052 moved to vect_determine_vectorization_factor.
6053 (vect_enhance_data_refs_alignment): Update to correct alignment when it
6054 is known instead of -1. Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6055 factor.
6056 (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6057 be part of vect_analyze_operations).
6058 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6059 creating the guard condition, as the number of iterations may be
6060 constant.
6061 (slpeel_tree_peel_loop_to_edge): Use new name of
6062 LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6063 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6064 alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6065 (vect_do_peeling_for_alignment): Use fold.
6066 (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6068 (vect_update_inits_of_dr): Renamed to
6069 vect_update_init_of_dr.
6070 (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6071 (vectorizable_store): Fix assertion to use == instead of =.
6073 2005-03-15 Daniel Jacobowitz <dan@codesourcery.com>
6075 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6076 call_used_regs for wCG registers.
6078 2005-03-15 Ulrich Weigand <uweigand@de.ibm.com>
6080 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6081 for non-offsettable memory references to cope with outstanding reload
6082 replacements, take 2.
6084 2005-03-15 Uros Bizjak <uros@kss-loka.si>
6086 PR target/18668
6087 * config/i386/i386.h (x86_fisttp): New.
6088 (TARGET_FISTTP): New macro.
6089 * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6090 (output_fix_trunc): Add fisttp parameter. Generate fisttp x87
6091 instruction when fisttp flag is set.
6092 * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6094 * config/i386/i386.md (type attribute): Add fisttp.
6095 (unit attribute): Set to i387 for fisttp type.
6096 (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6097 (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6098 TARGET_FISTTP.
6099 (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6100 Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6101 macros.
6102 (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6103 patterns for TARGET_FISTTP. Enable patterns for
6104 (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6105 (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6106 fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6107 implement fisttp x87 insn.
6108 (fix_trunc*_i387_fisttp splitters): New patterns.
6109 (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6110 Rename to *fix_trunc<mode>_i387_1. Implement using mode macros.
6111 Disable patterns for TARGET_FISTTP. Add comment about FLAGS_REG
6112 clobber.
6113 (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6114 Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6115 Implement using mode macros. Disable patterns for TARGET_FISTTP.
6116 (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6117 fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6118 fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6119 Disable patterns for TARGET_FISTTP.
6120 (fix_trunc*_i387 splitters): Implement usign mode macros.
6121 (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6122 fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6123 (fix_trunx*_sse peephole2s): Implement using mode macros.
6125 2005-03-15 J"orn Rennecke <joern.rennecke@st.com>
6127 PR rtl-optimization/20291
6128 * combine.c (try_combine): If splitting fails, re-try with
6129 original combined pattern, i.e. before clobber stripping.
6131 2005-03-14 Eric Christopher <echristo@redhat.com>
6133 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6134 STACK_GROWS_DOWNWARD.
6136 2005-03-14 Roger Sayle <roger@eyesopen.com>
6138 * real.h (struct real_format): Split the signbit field into two
6139 two fields, signbit_ro and signbit_rw.
6140 * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6141 mips_double_format, ieee_extended_motorola_format,
6142 ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6143 ieee_extended_intel_128_format, ibm_extended_format,
6144 mips_extended_format, ieee_quad_format, mips_quad_format,
6145 vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6146 i370_double_format, c4x_single_format, c4x_extended_format,
6147 real_internal_format): Update initializers for new field.
6148 * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6149 real_format structure.
6150 * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6151 field of the real_format structure.
6153 2005-03-14 Daniel Berlin <dberlin@dberlin.org>
6155 Fix PR tree-optimization/20458
6157 * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6158 DECL_EXTERNAL on STRUCT_FIELD tags.
6159 (clear_call_clobbered): Ditto.
6160 * tree-ssa-operands.c (note_addressable): Make sure the original
6161 variable doesn't slip into the addressable list if we have
6162 subvars.
6163 * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6164 tags too.
6166 2005-03-14 Geoffrey Keating <geoffk@apple.com>
6168 * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6169 (-fwide-exec-charset): Likewise.
6170 (-finput-charset): Likewise.
6171 * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6172 * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6173 * c.opt (Wnormalized): New.
6175 2005-03-14 Devang Patel <dpatel@apple.com>
6177 * doc/invoke.texi: Add reference to Visibility document.
6179 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
6181 * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6182 MASK_SPLIT_ADDRESSES.
6183 * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6184 (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6185 (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6186 (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6187 (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6188 (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6189 (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6190 (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6191 (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6192 (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6193 (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6194 (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6195 (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6196 (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6197 (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6198 (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6199 (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6200 (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6201 (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6202 (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6203 (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6204 (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6205 (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6206 (TARGET_EXPLICIT_RELOCS): Delete.
6207 (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6208 (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6209 * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6210 (override_options): Set MASK_LONG64 if -mint64 is given and no
6211 -mlongXX option is. Complain about -mint64 -mlong32.
6212 (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6213 MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6214 * config/mips/mips.opt: New file.
6216 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
6218 * config.gcc (extra_options): New variable for listing option files.
6219 Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6220 * configure.ac (extra_opt_files): New AC_SUBST variable.
6221 (tm_file_list, tm_include_list): Include options.h first.
6222 * configure: Regenerate.
6223 * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6224 (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6225 (s-options-h): New rule.
6226 (options.h): Depend on it.
6227 (TEXI_GCCINT_FILES): Add options.texi.
6228 * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6229 * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6230 * target.h (gcc_target): Add default_target_flags and handle_option.
6231 * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6232 (TARGET_HANDLE_OPTION): New macros.
6233 (TARGET_INITIALIZER): Include them.
6234 * opt-functions.awk (opt_args, nth_arg): New functions.
6235 (switch_flags): Handle the "Target" flag.
6236 (var_args): Delete.
6237 (var_name): Use opt_args and nth_arg.
6238 (var_set, var_ref): Likewise. Handle "Mask" and "InverseMask".
6239 * opth-gen.awk: Declare target_flags. Declare MASK_* and TARGET_*
6240 macros for the "Mask" and "InverseMask" options.
6241 * opts.h (cl_var_cond): New enum.
6242 (cl_option): Replace the "has_set_value" and "set_value" fields with
6243 "var_cond" and "var_value".
6244 (CL_TARGET): New macro.
6245 (option_enabled, print_filtered_help): Declare.
6246 (decode_options): Move definition.
6247 * opts.c (handle_option): Search for the original option before
6248 removing any "no-" prefix. Handle CL_TARGET. Adjust for the new
6249 var_cond and var_value fields. Use targetm.handle_option to handle
6250 target options.
6251 (decode_options): Set target_flags to targetm.default_target_flags.
6252 (print_filtered_help): Make global. Handle CL_TARGET.
6253 (option_enabled): New function.
6254 * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6255 (display_target_options, set_target_switch, print_switch_values)
6256 (default_pch_valid_p): Guard uses of target_switches with
6257 #ifdef TARGET_SWITCHES. Also...
6258 (display_target_options): Display the CL_TARGET entries in cl_options.
6259 (set_target_option): Don't complain about the "" option when
6260 TARGET_SWITCHES is undefined.
6261 (print_switch_values): Use option_enabled.
6262 (default_pch_valid_p): Check cl_options[] when looking for something
6263 that has changed the value of target_flags.
6264 * c.opt: Remove documentation from top of file.
6265 * doc/gccint.texi: Add an "Options" chapter. Include options.texi.
6266 * doc/sourecebuild.texi: Refer to the new options documentation
6267 instead of c.opt. Document machine-specific .opt files.
6268 * doc/tm.texi (target_flags): Say that this variable is declared
6269 by options.h.
6270 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6271 (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6272 an alternative.
6273 * doc/options.texi: New file.
6275 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
6277 PR middle-end/18628
6278 * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6279 register.
6281 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
6283 PR c++/20280
6284 * gimplify.c (gimplify_cond_expr): Add fallback argument. Use a
6285 temporary variable of pointer type if an lvalues is required.
6286 (gimplify_modify_expr_rhs): Request an rvalue from it.
6287 (gimplify_expr): Pass fallback on.
6289 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6291 * cfgbuild.c: Update comments.
6293 2005-03-14 Roger Sayle <roger@eyesopen.com>
6295 PR rtl-optimization/17236
6296 * optabs.c (expand_doubleword_mult): New helper function split out
6297 from expand_binop. Permute the order in which instructions are
6298 emitted to minimize the number of simultaneously live registers.
6299 (expand_binop): Call expand_doubleword_mult to synthesize a double
6300 word multiplication.
6302 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6304 * basic-block.h: Update the prototypes of cached_make_edge and
6305 rtl_make_eh_edge.
6306 * cfg.c (cached_make_edge): Take edge_cache representing one
6307 row of the adjacency matrix of edges.
6308 * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6309 (make_edges): Initialize edge_cache to represent one row of
6310 the adjacency matrix of edges.
6312 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6314 * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6315 New functions.
6316 (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6317 Remove unused removed_phis variable.
6318 (conditional_replacement): Use build1/build2.
6319 (abs_replacement): Use last_and_only_stmt and build1/build2.
6321 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6323 * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6324 ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6325 * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6326 (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6327 * c-common.c (handle_novops_attribute): New function.
6328 (c_common_attribute_table): Add "no vops" entry.
6329 * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6330 * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6331 * tree-ssa-operands.c (get_call_expr_operands): Do not
6332 create virtual operands for calls with ECF_NOVOPS flag.
6333 * tree.h (DECL_IS_NOVOPS): New macro.
6334 (struct tree_decl): Add novops_flag.
6335 (ECF_NOVOPS): New constant.
6337 2005-03-14 Uros Bizjak <uros@kss-loka.si>
6339 PR target/17688
6340 * config/i386/i386.c (x86_use_himode_fiop): New.
6341 (x86_use_simode_fiop): Rename from x86_use_fiop.
6342 * config/i386/i386.h (x86_use_himode_fiop): Declare.
6343 (TARGET_USE_HIMODE_FIOP): New.
6344 (x86_use_simode_fiop): Rename from x86_use_fiop.
6345 (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6347 * config/i386/i386.md (X87MODEI12): New mode macro define.
6348 (*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
6349 to implement x87 FP compare with HImode input operands.
6350 (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6351 Use X87MODEI12 mode macro to handle HImode input operands.
6352 (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6353 *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6354 Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6355 *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6356 macro to implement x87 operators with HImode input operands.
6357 (fop splitters): Use X87MODEI12 mode macro to handle HImode
6358 input operands.
6360 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6362 * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6363 integer_zerop.
6364 * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6365 constants invariant.
6367 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6369 * basic-block.h (BB_VISITED): Removed.
6370 * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
6372 2005-03-14 Falk Hueffner <falk@debian.org>
6374 PR bootstrap/20424
6375 * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
6377 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6379 * ggc-zone.c: Fix comment typos.
6381 * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
6382 stringpool.c, config/mips/mips-protos.h: Update copyright.
6384 2005-03-14 Alan Modra <amodra@bigpond.net.au>
6386 * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
6387 throughout with its typedef, "rtx".
6388 * config/rs6000/rs6000.c: Likewise. Formatting fixes.
6389 (rs6000_tls_symbol_ref_1): Remove inline keyword.
6390 * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder
6391 regs in comment to match code.
6393 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6395 * except.c (check_handled): Make it static.
6396 * except.h: Remove the corresponding prototype.
6398 * function.c (get_func_frame_size): Make it static.
6399 * function.h: Remove the corresponding type.
6401 * regclass.c (reg_class_superclasses, reg_class_subclasses):
6402 Make them static.
6403 * hard-reg-set.h: Remove the corresponding declarations.
6405 * tree-cfg.c (verify_stmts): Check that
6406 bb_for_stmt (stmt) == bb for every PHI node and statement.
6408 2005-03-14 Alan Modra <amodra@bigpond.net.au>
6410 * config.gcc: Remove excess indentation.
6411 (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
6413 2005-03-13 Roger Sayle <roger@eyesopen.com>
6415 PR middle-end/19331
6416 * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
6417 * fold-const.c (fold_sign_changed_comparison): Likewise.
6418 (fold_binary): Optimize comparisons against widened operands if
6419 the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
6421 2005-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
6423 * config/sparc/sparc.c (struct_value_alias_set): New global variable.
6424 (sparc_override_options): Initialize it.
6425 (sparc_struct_value_rtx): Set it on the MEM to be returned.
6427 2005-03-13 David Edelsohn <edelsohn@gnu.org>
6429 * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
6430 (reg_or_none500mem_operand): New predicate.
6431 (zero_reg_mem_operand): New predicate.
6432 * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
6433 to reg_or_none500mem_operand.
6434 (extendsfdf2_fpr): Add MEM alternative.
6435 (extenddftf2_internal): Change operand2 predicate to
6436 zero_reg_mem_operand.
6438 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
6440 * ggc-zone.c: Rewritten.
6442 * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
6443 if there are none.
6444 * configure.ac: Define GGC_ZONE for --with-gc=zone.
6445 * config.in: Regenerated.
6446 * configure: Regenerated.
6447 * gengtype.c (write_types_process_field, write_func_for_structure):
6448 Pass new argument to gt_pch_note_object.
6449 * ggc-common.c (struct ptr_data): Add TYPE.
6450 (gt_pch_note_object): Take TYPE argument and save it.
6451 (call_count): Update call to ggc_pch_count_object.
6452 (call_alloc): Update call to ggc_pch_alloc_object.
6453 (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
6454 file.
6455 * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
6456 * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
6457 (ggc_alloc_zone_stat): Delete.
6458 (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
6459 * ggc.h (gt_pch_note_object, ggc_pch_count_object)
6460 (ggc_pch_alloc_object): Update prototypes.
6461 (garbage_zone): Delete.
6462 (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
6463 GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into
6464 pointers.
6465 (tree_id_zone): New variable.
6466 (ggc_alloc_cleared_zone): Remove unused.
6467 (ggc_alloc_zone): Define.
6468 (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
6469 * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
6470 ggc_alloc_zone_stat.
6471 * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
6472 * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
6473 (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
6474 (make_node_stat): Likewise. Use tree_id_zone.
6476 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
6477 Joseph S. Myers <joseph@codesourcery.com>
6479 * configure.ac: Check for MIPS TLS.
6480 * configure: Regenerated.
6481 * config/mips/mips-protos.h (enum mips_symbol_type): Add
6482 SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
6483 SYMBOL_GOTTPREL, and SYMBOL_TPREL.
6484 * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
6485 (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
6486 (mips_classify_symbol, mips_symbolic_constant_p)
6487 (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
6488 (mips_tls_operand_p, mips_call_tls_get_addr)
6489 (mips_legitimize_tls_address, mips_cannot_force_const_mem)
6490 (mips_tls_symbol_ref_1): New functions.
6491 (mips_legitimize_address, mips_legitimize_const_move): Call
6492 mips_legitimize_tls_address.
6493 (override_options): Handle V1_REG and TLS symbols. Disable TLS
6494 for MIPS16.
6495 * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
6496 (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
6497 (mips_char_to_class): Document V1_REG.
6498 (HAVE_AS_TLS): Provide default.
6499 * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
6500 constants.
6501 (load_got<mode>): Renamed from *load_got<mode>. Allow when
6502 !TARGET_ABICALLS.
6503 (tls_get_tp_<mode>): New instruction.
6505 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
6507 * configure.ac: Update checks for target tools.
6508 * configure: Regenerated.
6510 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
6512 * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
6514 2005-03-13 Roger Sayle <roger@eyesopen.com>
6516 * expmed.c (expand_mult): Use synthetic multiplication sequences for
6517 more classes of DImode multiplication by constant. Allow both
6518 multiplication by small negative constants (by performing a
6519 multiplication by a positive constant and negating the result) and
6520 multiplications by large powers of two, by using a left shift.
6522 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
6524 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
6525 of basic blocks into work_stack.
6527 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
6528 config/mips/vr.h: Update copyright.
6530 * c-decl.c (c_init_decl_processing): Remove useless calls to
6531 build_function_type.
6533 * builtins.c (fold_trunc_transparent_mathfn,
6534 fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
6535 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6536 fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
6537 fold_builtin_strcpy, fold_builtin_strncpy,
6538 fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
6539 TREE_TYPE (exp).
6541 * builtins.c (expand_builtin_mathfn_3): Remove local variable
6542 before_call.
6544 * lambda-code.c (lambda_compute_auxillary_space): Remove local
6545 variable determinant.
6547 * tree-cfg.c (group_case_labels): Remove local variable type.
6549 * tree-ssa-live.c (build_tree_conflict_graph): Remove local
6550 variable ann.
6552 * tree-ssa-phiopt.c (value_replacement): Remove local variable
6553 result.
6555 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
6557 PR target/18251
6558 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
6559 (*movmemqi_insn): Delete.
6560 (*movmemhi): Delete.
6562 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
6564 * builtins.c (fold_builtin_classify): Take decomposed
6565 arguments of CALL_EXPR.
6566 (fold_builtin_1): Update a call to fold_builtin_classify.
6568 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
6570 PR c/20402
6571 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
6572 through into call to parser_xref_tag after parse error.
6573 (c_parser_struct_declaration): Consistently return NULL_TREE on
6574 error.
6576 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
6578 * tree-flow-inline.h (ref_contains_array_ref): New function.
6579 (lookup_subvars_for_var): Ditto.
6580 (get_subvars_for_var): Ditto.
6581 (var_can_have_subvars): Ditto.
6583 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
6584 (struct subvar): New type.
6586 * tree-dfa.c (okay_component_ref_for_subvars): New function.
6588 * tree-optimize.c (init_tree_optimization_passes): Call
6589 pass_create_structure_vars.
6591 * tree-ssa-alias.c: Include vec.h.
6592 (init_alias_info): Don't auto-clear call clobbered on struct-field
6593 tags.
6594 (compute_flow_insensitive_aliasing): Handle subvars.
6595 (group_aliases): Handle STRUCT_FIELD aliases.
6596 (setup_pointers_and_addressables): Ditto.
6597 Don't mark variables non-addressable if they still have
6598 addressable subvars.
6599 Also mark subvars addressable when the real variable is marked
6600 addressable.
6601 (add_pointed_to_var): Try to prune the pointed-to set by only
6602 pointing to subvars when possible.
6603 Otherwise, make sure we set addresses_needed and pt_vars to
6604 properly include subvars.
6605 (bitpos_of_field): New function.
6606 (push_fields_onto_fieldstack): Ditto.
6607 (get_or_create_used_part_for): Ditto.
6608 (create_overlap_variables_for): Ditto.
6609 (find_used_portions): Ditto.
6610 (create_structure_vars): Ditto.
6611 (pass_create_structure_vars): New structure.
6613 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
6614 (get_expr_operands): Handle subvars. Also try to turn
6615 COMPONENT_REF accesses into must-defs now that we can accurately
6616 portray it.
6617 (note_addressable): Try to only mark as addressable those subvars
6618 we know a COMPONENT_REF touches.
6619 (overlap_subvar): New function.
6621 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
6622 Handle subvar storing.
6623 (vect_address_analysis): Update caller of vect_object_analysis.
6625 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
6627 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
6628 (STMT_VINFO_SUBVARS): New macro.
6630 * common.opts: add flag_tree_salias.
6632 * opts.c (decode_options): flag_tree_salias defaults to on.
6634 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
6636 * doc/tree-ssa.texi: Document structural alias analysis.
6638 2005-03-12 Steven Bosscher <stevenb@suse.de>
6640 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
6641 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
6642 * tree-ssa-operands.c (get_expr_operands): Likewise.
6643 (get_expr_operands): Likewise for ERROR_MARK.
6645 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
6647 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
6648 var.
6650 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
6651 removed_phis.
6653 * tree-ssa-pre.c (compute_avail): Remove local variable val.
6654 (mark_operand_necessary): Remove local variable ver.
6656 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
6657 variable prefix_len.
6659 * value-prof.c (mod_subtract_transform): Remove local variable
6660 value.
6662 * builtins.c (fold_builtin_exponent): Take decomposed
6663 arguments of CALL_EXPR.
6664 (fold_builtin_1): Update a call to fold_builtin_exponent.
6666 * builtins.c (fold_builtin_logarithm): Take decomposed
6667 arguments of CALL_EXPR.
6668 (fold_builtin_1): Update a call to fold_builtin_logarithm.
6670 * c-decl.c (c_init_decl_processing): Remove local variables
6671 ptr_ftype_void and ptr_ftype_ptr.
6673 * gimplify.c (gimplify_expr): Remove local variables r0 and
6674 r1.
6676 * reg-stack.c (move_for_stack_reg): Remove local variable
6677 push_insn.
6678 (compare_for_stack_reg): Remove local variable flags_user.
6679 (convert_regs_1): Remove local variable deleted.
6681 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
6682 variable new_cond.
6683 (combine_blocks): Remove local variables exits and new_e.
6685 * tree-inline.c (expand_call_inline): Remove local variable
6686 decl.
6688 * tree-ssa-live.c (create_ssa_var_map,
6689 calculate_live_on_entry): Remove local variable snn.
6691 2005-03-12 Geoffrey Keating <geoffk@apple.com>
6693 * c-lex.c (c_lex_with_flags): Add parameter to call to
6694 cpp_spell_token.
6696 2005-03-11 Per Bothner <per@bothner.com>
6698 * c-tree.h (struct c_declarator): New id_loc field.
6699 * c-pragma.h (c_lex_with_flags): Take position reference.
6700 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
6701 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
6702 (c_lex): Pass dummy location to c_lex_with_flags.
6703 * c-parser.c (c_lex_one_token): Set c_token's location using
6704 c_lex_with_flags, instead of input_location, which might be "ahead".
6705 (c_parser_direct_declarator): Set declarator's id_loc from
6706 c_token's id_loc.
6707 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
6708 declarator's id_loc, rather than probably-imprecise input_location.
6709 (build_id_declarator): Initialize c_declarator's id_loc field.
6711 2005-03-11 Roger Sayle <roger@eyesopen.com>
6713 PR middle-end/20419
6714 * builtins.c (expand_builtin_signbit): Force the signbit's word
6715 into an integer register to avoid SUBREGs of floating point modes.
6717 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
6719 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
6720 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
6721 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
6722 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
6724 2005-03-11 David Edelsohn <edelsohn@gnu.org>
6726 PR rtl-optimization/20306
6727 * expr.c (emit_move_complex): Set try_int false if mode is
6728 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
6729 emit_block_move if try_int is true.
6731 2005-03-11 Richard Henderson <rth@redhat.com>
6733 PR target/20415
6734 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
6735 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
6736 to match.
6738 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
6740 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
6741 (TARGET_FIX_VR4130): New macro.
6742 (TARGET_OPTIONS): Add -mfix-vr4130.
6743 (ISA_HAS_MACCHI): New macro.
6744 (ASM_SPEC): Add -mfix-vr4130.
6745 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
6746 (override_options): Handle mips_fix_vr4130_string.
6747 (mips_avoid_hazards): Clear all_noreorder_p
6748 if we're working around VR4130 errata and the macc alternatives
6749 are not available.
6750 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
6751 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
6752 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
6753 (MULTILIB_DEFAULTS): Remove leading "march=".
6754 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
6755 if no architecture option is given.
6756 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
6757 VR4130 multilibs.
6758 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
6759 * doc/invoke.texi: Document -mfix-vr4130.
6761 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
6763 * config/mips/mips.c (override_options): Only warn about -mint64
6764 deprecation if TARGET_INT64.
6766 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6768 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
6769 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
6770 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
6771 are non-specific regarding the nonnull parameter positions.
6772 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
6773 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
6774 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
6775 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
6777 * builtins.def: Use the non-specific "nonnull" attibute lists.
6779 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
6781 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6782 single_pred_edge, single_succ, single_pred): Improve comments.
6784 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
6786 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6787 single_pred_edge, single_succ, single_pred): New inline functions.
6788 * bb-reorder.c (rotate_loop, find_traces_1_round,
6789 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
6790 duplicate_computed_gotos): Use the single_succ/pred functions.
6791 * cfganal.c (forwarder_block_p): Ditto.
6792 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
6793 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6794 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
6795 merge_seq_blocks): Ditto.
6796 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
6797 * cfglayout.c (fixup_reorder_chain): Ditto.
6798 * cfgloop.c (mark_single_exit_loops, update_latch_info,
6799 canonicalize_loop_headers, verify_loop_structure): Ditto.
6800 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
6801 mfb_update_loops, create_preheader, force_single_succ_latches,
6802 create_loop_notes): Ditto.
6803 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6804 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
6805 commit_one_edge_insertion, purge_dead_edges,
6806 cfg_layout_can_merge_blocks_p): Ditto.
6807 * except.c (sjlj_emit_function_enter): Ditto.
6808 * flow.c (init_propagate_block_info): Ditto.
6809 * function.c (thread_prologue_and_epilogue_insns): Ditto.
6810 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
6811 insert_insn_end_bb): Ditto.
6812 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
6813 find_if_case_2): Ditto.
6814 * lambda-code.c (perfect_nestify): Ditto.
6815 * lcm.c (optimize_mode_switching): Ditto.
6816 * loop-doloop.c (doloop_modify): Ditto.
6817 * loop-init.c (loop_optimizer_init): Ditto.
6818 * loop-iv.c (simplify_using_initial_values): Ditto.
6819 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6820 * loop-unswitch.c (unswitch_loop): Ditto.
6821 * modulo-sched.c (generate_prolog_epilog): Ditto.
6822 * predict.c (combine_predictions_for_insn, estimate_probability,
6823 tree_estimate_probability, last_basic_block_p,
6824 estimate_bb_frequencies): Ditto.
6825 * profile.c (branch_prob): Ditto.
6826 * regrename.c (copyprop_hardreg_forward): Ditto.
6827 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6828 * tracer.c (layout_superblocks): Ditto.
6829 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6830 cfg_remove_useless_stmts_bb, cleanup_control_flow,
6831 cleanup_control_expr_graph, disband_implicit_edges,
6832 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6833 tree_verify_flow_info, tree_make_forwarder_block,
6834 tree_forwarder_block_p, remove_forwarder_block,
6835 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6836 * tree-if-conv.c (tree_if_conversion): Ditto.
6837 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6838 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6839 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6840 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6841 copy_loop_headers): Ditto.
6842 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6843 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6844 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6845 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6846 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6847 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6848 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6849 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6850 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6851 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6852 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6853 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6854 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6855 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6856 slpeel_add_loop_guard): Ditto.
6858 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
6860 PR tree-optimization/15784
6861 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
6862 and -1 - A to ~A.
6864 * stmt.c (expand_case): Don't change index_type. Convert minval
6865 to the proper type.
6867 PR tree-optimization/20130
6868 * fold-const.c (fold): Fold x * -1 into -x.
6870 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
6872 PR rtl-optimization/20331
6873 * rtlanal.c (modified_between_p): Check its address first for MEM.
6874 (modified_in_p): Likewise.
6876 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
6878 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6880 2005-03-10 Steven Bosscher <stevenb@suse.de>
6882 * expr.c (expand_expr_real_1): If possible, use a conditional
6883 move for expanding MIN_EXPR and MAX_EXPR.
6884 Use temp for moving around rtx-en.
6886 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
6888 PR rtl-opt/20412
6889 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6890 correct mode.
6892 2005-03-10 Roger Sayle <roger@eyesopen.com>
6894 * builtins.c (expand_builtin_signbit): Extend to handle floating
6895 point modes wider than the largest integer type, using the
6896 operand_subword_force function to obtain the signbit's word.
6898 2005-03-10 Jakub Jelinek <jakub@redhat.com>
6900 PR target/20322
6901 * combine.c (try_combine): If recog_for_combine added CLOBBERs
6902 to NEWI2PAT, fail to combine if they are used by NEWPAT.
6904 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
6906 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6908 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
6910 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6911 type void.
6912 (perform_edge_inserts): Unconditionally call
6913 free_dominator_info.
6915 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6917 2005-03-10 Bob Wilson <bob.wilson@acm.org>
6919 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6921 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
6923 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6925 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6926 gcc_unreachable.
6927 (rtl_register_value_prof_hooks,
6928 tree_value_profile_transformations,
6929 tree_register_value_prof_hooks): Likewise.
6930 * var-tracking.c (stack_adjust_offset_pre_post,
6931 variable_htab_free, variable_union, dataflow_set_different_2,
6932 count_uses, variable_was_changed, set_frame_base_location,
6933 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6934 vt_add_function_parameters): Likewise.
6935 * varasm.c (named_section_real, named_section, make_decl_rtl,
6936 asm_emit_uninitialised, assemble_integer, decode_addr_const,
6937 const_hash_1, compare_constant, copy_constant, force_const_mem,
6938 output_constant_pool_2, output_constant_pool_1, output_constant,
6939 output_constructor, make_decl_one_only, decl_tls_model,
6940 default_no_named_section, default_elf_select_section_1,
6941 default_unique_section_1): Likewise.
6942 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6943 * vmsdbgout.c (addr_const_to_string): Likewise.
6945 PR c++/20375
6946 * function.c (struct assign_parm_data_one): Remove last_named
6947 field.
6948 (assign_parm_find_data_types): Don't determine last_named.
6949 Reorder named_parm determination.
6950 (assign_parms): Only setup varargs on the last non-varadic
6951 parameter.
6953 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
6955 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
6956 sda base address on medium model.
6958 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
6960 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6961 * cfgloop.c (flow_loop_nodes_find): Export.
6962 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6963 Declare.
6964 * cfgloopmanip.c (fix_loop_structure): New function.
6965 * predict.c (predict_loops): Clean up the loops information.
6966 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6967 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6968 loop structure.
6969 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6970 (rewrite_into_loop_closed_ssa): Declaration changed.
6971 * tree-loop-linear.c (linear_transform_loops): Add argument to
6972 rewrite_into_loop_closed_ssa call.
6973 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6974 * tree-ssa-loop-im.c (move_computations): Ditto.
6975 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6976 * tree-vectorizer.c (vectorize_loops): Ditto.
6977 * tree-optimize.c: Include cfgloop.h.
6978 (execute_todo): Choose whether to call cleanup_tree_cfg or
6979 cleanup_tree_cfg_loop.
6980 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6981 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6982 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6983 cleanup_tree_cfg_loop call.
6984 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6985 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6986 work on part of cfg.
6988 2005-03-10 Jakub Jelinek <jakub@redhat.com>
6990 PR inline-asm/20314
6991 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6992 with multiple alternatives.
6994 * stmt.c (parse_output_constraint): Fix a typo.
6996 2005-03-09 Bob Wilson <bob.wilson@acm.org>
6998 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6999 assembly directive instead of deprecated "no-generics".
7001 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
7003 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7004 for non-offsettable memory references to cope with outstanding reload
7005 replacements.
7006 * config/s390/s390.md ("reload_outti"): Call find_replacement to
7007 avoid losing outstanding address reloads.
7008 ("reload_outdi", "reload_outdf"): Likewise.
7010 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7012 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7013 code. Add more cbrt transformations.
7015 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7017 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7019 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
7021 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7022 NULL_TREE when a given tree is not simplified.
7023 (fold): Return the original tree when any of the functions
7024 mentioned above NULL_TREE.
7026 * fold-const.c (fold_unary, fold_binary): Take decomposed
7027 arguments, code, type, op0, and op1 in case of fold_binary.
7028 (fold): Update calls to fold_unary and fold_binary.
7030 2005-03-09 Roger Sayle <roger@eyesopen.com>
7032 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7033 a fndecl and an arglist instead of a CALL_EXPR, exp.
7035 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
7037 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7039 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7041 * expr.c (expand_assignment): Remove orig_to_rtx.
7043 * fold-const.c (int_const_binop): Remove no_overflow.
7045 * ifcvt.c (noce_emit_move_insn): Remove inmode.
7047 * loop-iv.c (get_biv_step_1): Remove lhs.
7049 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7051 * real.c (real_nan): Remove neg.
7053 * function.c (thread_prologue_and_epilogue_insns): Remove i
7054 and newinsn.
7056 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7057 tb.
7059 * tree-eh.c (tree_could_trap_p): Remove idx.
7061 * tree-into-ssa.c (ann): Remove ann.
7063 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7065 * tree-sra.c (decide_block_copy): Remove inst_count.
7067 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7069 * tree-ssa-loop-im.c (lhs): Remove.
7071 * cfgbuild.c (state, STATE, SET_STATE,
7072 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7073 make_edges.
7074 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7075 (find_basic_blocks): Set the state of each basic block to
7076 BLOCK_NEW.
7078 2005-03-08 Jeff Law <law@redhat.com>
7080 * tree-cfg.c (cleanup_control_flow): If removal of a computed
7081 goto results in the removal of edges in the CFG, then we need
7082 to recompute dominators.
7084 2005-03-09 Ben Elliston <bje@au.ibm.com>
7086 * c-common.c (c_do_switch_warnings): Comment fix.
7088 2005-03-08 Julian Brown <julian@codesourcery.com>
7090 * Patch from 2005-03-08 reverted for causing regressions and
7091 ppc-darwin bootstrap failure.
7093 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
7095 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7096 Define the real function for ppc-darwin.
7097 * c-typeck.c (convert_arguments): Check for target-specific
7098 invalid argument call to unprototyped function.
7099 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7100 New Macro.
7101 * target.h (invalid_arg_for_unprototyped_fn): New field
7102 in struct calls.
7103 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7104 default target hook.
7105 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7106 Declare.
7108 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7110 * c-typeck.c (constructor_stack, constructor_range_stack,
7111 initializer_stack): Make them static.
7113 * cfg.c (rbi_pool): Make it static.
7115 * gimple-low.c (lower_stmt_body): Make it static.
7116 * tree-flow.h: Remove the corresponding prototype. Don't
7117 declare lower_data.
7119 * sched-deps.c (cache_size): Make it static.
7121 * stor-layout.c (lang_adjust_rli): Make it static.
7123 2005-03-08 Julian Brown <julian@codesourcery.com>
7125 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7126 from being used for symbols with vague linkage when
7127 HAVE_GAS_COMDAT_GROUP is true.
7129 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
7131 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7132 nlabel == JUMP_LABEL (jump).
7134 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7136 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7137 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7138 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7139 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7141 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
7143 PR c/14411
7144 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7145 * c-common.c (handle_returns_twice): New function.
7146 (c_common_attribute_table): Declare eturns_twice' attribute.
7147 * doc/extend.texi: Document eturns_twice' attribute.
7148 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7149 (struct tree_decl): Add returns_twice_flag.
7151 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7153 * tree-ssa-phiopt.c: Fix a comment typo.
7155 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7156 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7157 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7158 copyright.
7160 2005-03-08 Richard Henderson <rth@redhat.com>
7162 * config/alpha/alpha.c (code_for_builtin): Replace special-case
7163 builtin codes with ctzdi2, clzdi2, popcountdi2.
7164 (struct alpha_builtin_def): Add is_const.
7165 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7166 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7167 (alpha_init_builtins): Init them. Set nothrow and const attributes
7168 on builtins.
7169 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7170 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7171 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7172 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7173 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7174 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7175 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7176 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7177 (TARGET_FOLD_BUILTIN): New.
7178 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7179 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7180 (ffsdi2): Use ctz.
7181 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7183 2005-03-08 Ira Rosen <irar@il.ibm.com>
7185 PR tree-optimization/20122
7186 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7187 condition of access function instead of base.
7189 2005-03-07 Jeff Law <law@redhat.com>
7190 Steven Bosscher <stevenb@suse.de>
7192 * tree-cfg.c (find_taken_edge_computed_goto): New function.
7193 (find_taken_edge): Call find_taken_edge_computed_goto as
7194 appropriate. Allow any gimple invariant rather than just
7195 INTEGER_CST for VAL.
7196 (cleanup_control_flow): Cleanup a computed goto which has turned
7197 into a simple goto.
7198 (tree_merge_blocks): If block B has any forced labels, move
7199 them to the start of block A.
7200 * tree-ssa-dom.c (thread_across_edge): Allow threading across
7201 computed gotos as well.
7202 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7203 removal of unnecessary computed gotos too.
7204 (lookup_redirection_data): Fix type of INSERT argument. Callers
7205 updated.
7207 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7209 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
7210 Remove trailing spaces.
7212 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7213 unshare_all_trees): Make them static.
7214 * tree-gimple.h: Remove the corresponding prototypes.
7216 * diagnostic.h: Remove unused prototype
7217 debug_output_buffer.
7218 * modulo-sched.c: Remove unused prototype
7219 set_row_column_for_ps.
7221 * tree-ssa-phiopt.c (tree_ssa_phiopt,
7222 replace_phi_edge_with_variable): Remove unused variable i.
7224 2005-03-07 Per Bothner <per@bothner.com>
7226 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7228 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
7230 PR tree-opt/17671
7231 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7232 bbs on the COND_EXPR instead of the PHI_NODEs.
7233 (candidate_bb_for_phi_optimization): Remove.
7234 (replace_phi_with_stmt): Rename to ...
7235 (replace_phi_edge_with_variable): this and change so that we
7236 replace the phi argument instead of removing the PHI.
7237 (conditional_replacement): Change so we deal with PHI with more
7238 than two arguments.
7239 (value_replacement): Likewise.
7240 (abs_replacement): Likewise.
7242 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
7244 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7245 output_e500_flip_gt_bit.
7247 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7248 as bit 31.
7249 (rs6000_generate_compare): Fix logic to look at the correct bits.
7250 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7251 Look at GT bit.
7252 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7253 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
7254 gen_move_from_CR_gt_bit.
7256 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7257 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7258 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7260 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7261 (E500_CR_IOR_COMPARE): New constant.
7263 2005-03-08 Earl Chew <earl_chew@agilent.com>
7264 David Billinghurst <David.Billinghurst@riotinto.com>
7266 * config/i386/host-cygwin.c: New file to support precompiled
7267 headers on cygwin
7268 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7269 * config.host: Use above files for cygwin host.
7271 2005-03-07 David Edelsohn <edelsohn@gnu.org>
7273 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7274 ordering ops from earlier change.
7276 2005-03-07 Per Bothner <per@bothner.com>
7278 Various fixes to allow us to again build if --enable-mapped-location:
7279 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7280 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7281 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7282 local variable loc. Change logic appropriately.
7283 * tree-vect-transform.c (vect_finish_stmt_generation): Use
7284 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7285 * c-parser.c (c_parser_for_statement): Initialize loc variable.
7286 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7287 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7289 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
7291 PR rtl-optimization/19683
7292 * reload1.c (choose_reload_regs): Pass the number of bits, not the
7293 number of bytes, to smallest_int_for_mode. Fix arguments to
7294 REG_CANNOT_CHANGE_MODE_P.
7296 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7298 * reorg.c (relax_delay_slots): Check that the jump is
7299 conditional before trying to invert it.
7301 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
7303 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7304 Make them static.
7306 * calls (stack_arg_under_construction): Make it static.
7308 * flow.c (regs_live_at_setjmp): Make it static.
7309 * flow.h: Remove the corresponding prototype.
7311 * reload1.c (reload_startobj, reload_firstobj,
7312 something_needs_operands_changed, reload_inherited,
7313 reload_inheritance_insn, reload_override_in,
7314 reload_spill_index): Make them static.
7316 * recog.c (verify_changes): Make it static.
7317 * recog.h: Remove the corresponding prototype.
7319 * cfgbuild.c (find_sub_basic_blocks): Remove.
7320 * basic-block.h: Remove the corresponding prototype.
7321 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7322 in comments.
7323 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7325 * tree-ssa-operands.c (check_build_stmt): Remove.
7327 * stor-layout.c (set_alignment): Remove.
7328 * tree.h: Remove the corresponding prototype.
7330 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7332 * tree-ssa-dce.c (control_dependence_map,
7333 visited_control_parents): Make them static.
7335 * cfghooks.c (verify_flow_info): Remove local variable
7336 num_bb_notes.
7338 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7339 last_bb_seen.
7341 * loop-unswitch.c (unswitch_loop): Remove local variable src.
7343 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
7345 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7347 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
7349 * config/ia64/hpux.h (LINK_SPEC): Add -z.
7350 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7351 PARALLEL for an empty structure.
7353 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
7355 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7357 * fold-const.c (fold_binary): Unroll the very first "for"
7358 loop.
7360 2005-03-06 David Edelsohn <edelsohn@gnu.org>
7362 * config/rs6000/predicates.md (branch_comparison_operator): Remove
7363 redundant match_code test.
7364 (scc_comparison_operator): Swap match_operand and match_code
7365 tests.
7366 (branch_positive_comparison_operator): Same.
7367 (trap_comparison_operator): Use comparison_operator and swap with
7368 match_code test.
7370 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
7372 PR target/20288
7373 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
7374 (out_movhi_r_mr): Read low byte of volatile MEM first.
7375 (out_movhi_mr_r): Write high byte of volatile MEM first.
7377 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
7379 * cselib.c (reg_values, reg_values_size): Make them static.
7381 * cse.c (cse_reg_info_table): Make it static.
7383 * fold-const.c (fold_unary): Use build1 instead of copy_node.
7385 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
7387 * cse.c (find_best_addr): Use canon_for_address.
7389 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
7391 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
7392 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
7393 SUBREG and MEM, respectively.
7395 * fold-const.c (fold_binary): Use code instead of t.
7397 * fold-const.c (optimize_minmax_comparison): Take decomposed
7398 arguments code, type, op0, and op1 instead of t.
7399 (fold_binary): Update a call to optimize_minmax_comparison.
7401 * fold-const.c (fold_range_test): Take decomposed arguments
7402 code, type, op0, and op1 instead of t.
7403 (fold_binary): Update a call to fold_range_test.
7405 * fold-const.c (fold_binary_op_with_conditional_arg): Take
7406 decomposed arguments code, type, op0, and op1 instead of t.
7407 (fold_binary): Update a call to fold_range_test.
7409 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
7411 * fold-const.c (fold_binary): Avoid directly using the original
7412 expression t as much as possible.
7414 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
7416 * c-semantics.c (build_stmt): Use TYPE_P instead of
7417 IS_NON_TYPE_CODE_CLASS.
7418 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
7419 (NON_TYPE_CHECK): Use TYPE_P instead of
7420 IS_NON_TYPE_CODE_CLASS.
7422 * fold-const.c (fold): Remove handling of binary expressions.
7424 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
7426 * doc/c-tree.texi: Wrap comments in @r{}.
7427 * doc/cpp.texi: Likewise.
7428 * doc/cppinternals.texi: Likewise.
7429 * doc/extend.texi: Likewise.
7430 * doc/md.texi: Likewise.
7431 * doc/objc.texi: Likewise.
7432 * doc/sourcebuild.texi: Likewise.
7433 * doc/tm.texi: Likewise.
7434 * doc/tree-ssa.texi
7436 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
7438 * predict.c (apply_return_prediction): Standardize PHI chain
7439 walking.
7440 * tree-ssa.c (ssa_redirect_edge): Likewise.
7442 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
7443 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
7444 Update copyright.
7446 * tree-phinodes.c (remove_phi_node): Drop the last argument.
7447 * tree-flow.h: Adjust the prototype for remove_phi_node.
7448 * lambda-code.c (perfect_nestify): Adjust a call to
7449 remove_phi_node.
7450 * tree-cfg.c
7451 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
7452 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
7453 Likewise.
7454 * tree-ssa-dce.c (remove_dead_phis): Likewise.
7455 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7456 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7457 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
7459 * combine.c (simplify_and_const_int): Use gen_int_mode instead
7460 of GEN_INT (trunc_int_for_mode (...)).
7461 * loop-iv.c (iv_number_of_iterations): Likewise.
7462 * postreload.c (reload_cse_move2add): Likewise.
7463 * simplify-rtx.c (simplify_const_unary_operation,
7464 simplify_const_binary_operation): Likewise.
7465 * stor-layout.c (get_mode_bounds): Likewise.
7467 * fold-const.c (fold_binary): New.
7468 (fold): Call fold_binary on binary expressions.
7470 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
7472 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
7473 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
7474 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
7475 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
7476 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
7478 2005-03-04 Devang Patel <dpatel@apple.com>
7480 PR tree-optimization/18815
7481 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7482 loops with zero exit edges.
7484 2005-03-04 Devang Patel <dpatel@apple.com>
7486 * doc/invoke.texi: Remove reference to webpage that does not exist.
7488 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
7489 Joseph S. Myers <joseph@codesourcery.com>
7491 PR c++/19797
7492 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
7493 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
7494 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
7495 * pa.c (get_plabel): Change argument to symbol_ref. Call
7496 maybe_get_identifier instead of get_identifier.
7497 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
7498 (struct deferred_plabel): Replace name field with symbol field.
7499 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
7500 ASM_OUTPUT_EXTERNAL_REAL is defined.
7501 (output_global_address): Use output_addr_const for output of all
7502 symbol_refs.
7503 (output_deferred_plabels): Use symbol_ref instead of name for address
7504 output.
7505 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
7506 ASM_OUTPUT_SYMBOL_REF): New macros.
7507 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
7508 comment.
7509 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
7510 label.
7512 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
7514 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
7515 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
7517 2005-03-04 Jeff Law <law@redhat.com>
7519 * basic-block.h (rediscover_loops_after_threading): Declare.
7520 * tree-ssa-dom.c: Include cfgloop.h.
7521 (tree_ssa_dominator_optimize): Discover loops and some basic
7522 properties. Remove forwarder blocks recreated by loop header
7523 canonicalization. Also mark backedges in the CFG.
7524 * tree-ssa-threadupdate.c: Include cfgloop.h
7525 (rediscover_loops_after_threading): Define.
7526 (struct local_info): New field, JUMP_THREADED.
7527 (prune_undesirable_thread_requests): New function.
7528 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
7529 then record that fact for the callers of redirct_edges.
7530 (thread_block): If BB has incoming backedges, then call
7531 prune_undesirable_thraed_requests. Note when we are
7532 going to have to rediscover loop information. Return a
7533 boolean indicating if any jumps were threaded.
7534 (thread_through_all_blocks): Bubble up boolean indicating
7535 if any jumps were threaded.
7536 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
7537 (tree-ssa-threadupdate.o): Similarly.
7539 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
7541 * fold-const.c (fold_ternary): Unroll the "for" loop to
7542 extract operands.
7544 2005-03-04 Andrew Haley <aph@redhat.com>
7546 * unwind-dw2-fde-glibc.c (struct
7547 unw_eh_callback_data.check_cache): New field.
7548 (frame_hdr_cache): New.
7549 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
7550 Cache frame header info.
7552 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
7554 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
7555 (print_c_condition): Declare.
7556 * read-rtl.c (ptr_loc): New structure.
7557 (ptr_locs, ptr_loc_obstack, joined_conditions)
7558 (joined_conditions_obstack): New variables.
7559 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
7560 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
7561 (join_c_conditions, print_c_condition): New functions.
7562 (apply_macro_to_string): Associate the new string with the same
7563 source location as the old one.
7564 (add_condition_to_string): Use join_c_conditions.
7565 (read_string): Use set_rtx_ptr_loc to record a filename and line
7566 number for the string.
7567 (read_rtx): Initialize the new variables above.
7568 * genattrtab.c (write_test_expr, write_attr_value): Use
7569 print_c_condition.
7570 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
7571 comment above the GCC_VERSION check.
7572 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
7573 Inline the definition of MAYBE_EVAL.
7574 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
7575 * genoutput.c (process_template): Likewise.
7576 * genpreds.c (write_predicate_subfunction): Likewise.
7577 (write_predicate_expr): Use print_c_condition.
7578 * genrecog.c (write_cond): Likewise.
7579 * gensupport.c (process_rtx): Use join_c_conditions to join the
7580 conditions of a define_insn_and_split. Record a source location
7581 for the string after the "&&".
7582 (alter_test_for_insn): Use join_c_conditions.
7584 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
7586 Revert for now:
7587 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
7588 PR tree-optimization/15784
7589 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
7590 and -1 - A to ~A.
7592 2005-03-04 Ben Elliston <bje@au.ibm.com>
7594 * gcc.c (option_map): Add --coverage.
7595 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
7596 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
7597 * config/darwin.h: Pass -lgcov for `coverage'.
7598 * doc/invoke.texi (Debugging Options): Document --coverage.
7600 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
7602 * gcse.c (bypass_block): Use find_edge wherever possible.
7604 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
7606 Fix PR debug/20253
7608 * c-opts.c (c_common_parse_file): Call start_source_file
7609 and end_source_file at the approriate times.
7611 * dwarf2out.c (dwarf2out_finish): Don't auto-end
7612 the main file, it will be done for us now.
7614 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
7616 * fold-const.c (fold_ternary): New.
7617 (fold): Call fold_ternary on ternary expressions. Remove
7618 handling of ternary expressions.
7620 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
7622 PR tree-optimization/15784
7623 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
7624 and -1 - A to ~A.
7626 2005-03-03 David Edelsohn <edelsohn@gnu.org>
7628 * config/rs6000/predicates.md (branch_comparison_operator):
7629 Convert from C block to conditional format.
7631 2005-03-03 Jan Hubicka <jh@suse.cz>
7633 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
7634 and non-constant public variables.
7636 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
7638 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
7639 with LABEL_EXPR.
7641 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
7642 EDGE_I.
7644 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
7645 calls to release_ssa_name and release_phi_node.
7647 * fold-const.c (fold): Remove handling of unary expressions.
7649 * fold-const.c (fold_unary): Avoid directly using the original
7650 expression t as much as possible.
7652 2005-03-03 Roger Sayle <roger@eyesopen.com>
7653 Andrew Pinski <pinskia@physics.uc.edu>
7655 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
7656 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
7658 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
7660 Describe special registers SRP and MOF as allocatable registers.
7661 * config/cris/cris.c (cris_md_asm_clobbers): New function.
7662 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
7663 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
7664 TARGET_HAS_MUL_INSNS.
7665 (cris_print_operand) <case 'd'>: New case.
7666 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
7667 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
7668 define.
7669 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
7670 (REG_ALLOC_ORDER): Update for MOF.
7671 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
7672 SPECIAL_REGS.
7673 (GENERAL_REGS): No longer a define of ALL_REGS.
7674 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
7675 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7676 Adjust accordingly.
7677 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
7678 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
7679 (SECONDARY_RELOAD_CLASS): Define.
7680 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
7681 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
7682 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
7683 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
7684 (REGISTER_MOVE_COST): Define.
7685 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
7686 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
7687 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
7688 (CRIS_MOF_REGNUM): New define_constants.
7689 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
7690 special registers.
7691 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
7692 New patterns.
7693 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
7694 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
7695 Adjust for MOF being properly described as a register.
7696 (indir_to_reg_split): Name this split. Conditionalize on the
7697 destination register being a general register.
7698 (movei): Conditionalize on on operands 0 and 1 having the same
7699 register class.
7701 2005-03-03 Alan Modra <amodra@bigpond.net.au>
7703 PR target/20277
7704 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
7705 -mcpu to override any other explicitly given flags.
7707 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
7709 * recog.c (verify_changes, confirm_change_group): New functions,
7710 broken out of apply_change_group.
7711 (apply_change_group): Use them.
7712 * recog.h (verify_change, confirm_change_group): Declare.
7713 * rtl.h (redirect_jump_2): Declare.
7714 * jump.c (redirect_exp, invert_exp): Delete.
7715 (invert_exp_1): Take second parameter. Return value. Changed caller.
7716 (redirect_jump_2): New function, broken out of redirect_jump.
7717 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
7718 (invert_jump): Use invert_jump_1 and redirect_jump_2.
7719 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
7721 2005-03-02 Geoffrey Keating <geoffk@apple.com>
7723 * varasm.c (named_section): Use xstrdup rather than doing it by
7724 hand.
7726 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
7728 2005-03-02 Devang Patel <dpatel@apple.com>
7730 Undo PR tree-optimization/18815 fix.
7732 2005-03-02 Devang Patel <dpatel@apple.com>
7734 PR tree-optimization/18815
7735 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7736 loops with zero exit edges.
7738 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
7740 * cfg.c (connect_src, connect_dest, disconnect_src,
7741 disconnct_dest): New.
7742 (unchecked_make_edge, remove_edge, redirect_edge_succ,
7743 redirect_edge_pred): Use the new functions.
7745 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
7746 free_dominance_info only when needed.
7748 2005-03-02 David Edelsohn <edelsohn@gnu.org>
7750 PR target/20276
7751 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
7752 (reg_or_sub_cint64_operand): Same.
7754 2005-03-02 Jeff Law <law@redhat.com>
7756 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
7757 CFG_ALTERED in the main DOM iteration loop.
7759 2005-03-02 Mark Mitchell <mark@codesourcery.com>
7761 PR c++/19916
7762 * varasm.c (initializer_constant_valid_p): Allow conversions
7763 between OFFSET_TYPEs. Tidy.
7765 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
7767 * config/cris/cris.md ("return"): Remove epilogue delay list
7768 sanity check.
7770 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
7772 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
7773 for Thumb.
7774 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
7776 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
7778 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
7779 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
7780 config/m68k/m68k.c, config/mips/mips.h,
7781 config/rs6000/rs6000-protos.h, doc/contrib.texi,
7782 doc/include/gcc-common.texi: Update copyright.
7784 PR middle-end/18029 and PR middle-end/18030
7785 * expr.c (optimize_bitfield_assignment_op): Add a special case
7786 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
7788 * fold-const.c (fold_unary): New.
7789 (fold): Call fold_unary on unary expressions.
7791 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
7793 * cgraph.h (struct cgraph_edge): Add prev_caller and
7794 prev_callee fields.
7795 (cgraph_node_remove_callees): Export.
7796 * cgraph.c (cgraph_create_edge): Initialize prev_caller
7797 and prev_callee.
7798 (cgraph_edge_remove_callee): New function.
7799 (cgraph_edge_remove_caller): Likewise.
7800 (cgraph_remove_edge): Use.
7801 (cgraph_redirect_edge_callee): Likewise.
7802 (cgraph_node_remove_callees): New function.
7803 (cgraph_node_remove_callers): Likewise.
7804 (cgraph_remove_node): Use.
7805 * tree-optimize.c (tree_rest_of_compilation): Use
7806 cgraph_node_remove_callees instead of manual loop.
7807 * cgraphunit.c (cgraph_finalize_function): Likewise.
7808 (cgraph_expand_function): Likewise.
7809 (cgraph_remove_unreachable_nodes): Likewise.
7811 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
7813 PR c/8927
7814 * c-tree.h (undeclared_variable, build_external_ref): Add extra
7815 argument.
7816 * c-decl.c (undeclared_variable): Take location as argument.
7817 * c-typeck.c (build_external_ref): Likewise.
7818 * c-parser.c (c_parser_postfix_expression): Pass location of
7819 identifier to build_external_ref.
7821 2005-03-01 David Edelsohn <edelsohn@gnu.org>
7823 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7824 CCEQ mode for branch_positive_comparison_operator test.
7825 * config/rs6000/predicates (branch_comparison_operator): Revert to
7826 define_predicate.
7827 (scc_comparison_operator): Same.
7828 (branch_positive_comparison_operator): Same.
7830 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
7832 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7833 (cris_delay_slots_for_epilogue): Remove.
7834 (save_last): Move into cris_target_asm_function_epilogue.
7835 (cris_target_asm_function_epilogue): Remove tests for file being
7836 NULL.
7837 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7838 (cris_delay_slots_for_epilogue): Remove prototypes.
7839 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7840 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7842 2005-03-01 David Edelsohn <edelsohn@gnu.org>
7844 * config/rs6000/predicates.md (branch_comparison_operator): Change
7845 to define_special_predicate.
7846 (scc_comparison_operator): Same.
7847 (branch_positive_comparison_operator): Same.
7849 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
7851 * Makefile.in (tree-ssa-sink.o): New.
7852 (OBJS-common): Add tree-ssa-sink.o.
7853 * common.opt: Add -ftree-sink
7854 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7855 * timevar.def (TV_TREE_SINK): new timevar.
7856 * tree-flow.h (is_hidden_global_store): Prototype.
7857 * tree-optimize.c (init_tree_optimization_passes): Add
7858 pass_sink_code.
7859 * tree-pass.h (pass_sink_code): New.
7860 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7861 for non-obvious global store store to is_hidden_global_store, and
7862 call that new function.
7863 * tree-ssa-sink.c: New file.
7864 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7865 * doc/passes.texi: Document forward store motion.
7866 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7867 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7868 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7869 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7871 2005-03-01 Per Bothner <per@bothner.com>
7873 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7874 and we have a non-zero column-number, add it to the message.
7875 Also factor out the diagnostic_kind_text.
7877 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
7879 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7880 flow_loop_pre_header_scan, flow_loop_pre_header_find,
7881 flow_loop_scan): Removed.
7882 (flow_loop_dump): Do not dump removed fields.
7883 (flow_loop_free): Do not free removed fields.
7884 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
7885 (loop_exit_edge_p): New function.
7886 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7887 num_pre_header_edges, entry_edges, num_entries, exit_edges,
7888 num_exits, exits_doms.
7889 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7890 LOOP_EDGES, LOOP_ALL): Removed.
7891 (flow_loop_scan): Declaration removed.
7892 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7893 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7894 flow_loops_find.
7895 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7896 (if_convert): Call flow_loops_find and flow_loops_free
7897 when calling mark_loop_exit_edges.
7898 * cfgloopanal.c (mark_loop_exit_edges): Moved from
7899 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
7900 free_dominance_info calls.
7901 * loop-init.c (flow_loops_find): Ditto.
7902 * passes.c (rest_of_handle_branch_prob): Ditto.
7903 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7904 * loop-unroll.c (analyze_insns_in_loop): Do not use
7905 EDGE_LOOP_EXIT.
7906 * predict.c (predict_loops): Do not call flow_loop_scan.
7907 Use get_loop_exit_edges.
7908 (tree_estimate_probability): Do not pass flags to flow_loops_find.
7909 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7910 Do not use EDGE_LOOP_EXIT.
7911 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7912 to bb_with_exit_edge_p.
7913 (if_convertible_loop_p): Do not call flow_loop_scan. Use
7914 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
7915 to bb_with_exit_edge_p.
7916 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
7917 EDGE_LOOP_EXIT.
7918 * tree-loop-linear.c (linear_transform_loops): Do not call
7919 flow_loop_scan. Use loop->single_exit.
7920 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7921 (vect_analyze_loop_form): Do not call flow_loop_scan.
7922 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7923 loop->single_exit.
7924 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7925 loop->single_exit.
7926 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7927 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7928 slpeel_tree_duplicate_loop_to_edge_cfg,
7929 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7930 Use loop_preheader_edge and loop->single_exit. Do not call
7931 flow_loop_scan.
7933 2005-03-01 Nick Clifton <nickc@redhat.com>
7935 * config/arm/arm.c (thumb_find_work_register): Check all of the
7936 argument registers to see if they are free, and a couple of
7937 special cases where the last argument register but can be proved
7938 to be available during the function's prologue.
7939 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7940 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7941 thumb_unexpanded_epilogue): Use unsigned long as the type for the
7942 register bit-mask.
7943 (thumb_compute_save_reg_mask): Likewise. Also use
7944 thumb_find_work_register() to ensure that there is agreement about
7945 which work register is going to be used in the prologue.
7946 (thumb_output_function_prologue): Use unsigned long as the type
7947 for the register bit-mask. Also delay pushing the link register if
7948 other high registers are going to be pushed.
7949 (thumb_compute_save_reg_mask, emit_multi_reg_push,
7950 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7951 redundant prototypes.
7953 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
7955 PR target/19819
7956 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7957 and after reload in REG+REG indexed addresses without REG_POINTER
7958 set in the base and not set in the index.
7960 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
7962 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7963 Don't undefine here.
7964 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7965 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7966 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7967 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7968 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7969 Delete.
7970 * config.gcc (sh*-*-linux*): Use config/linux.h.
7972 2005-02-28 Dale Johannesen <dalej@apple.com>
7973 Stan Shebs <shebs@apple.com>
7975 Rewrite of 64-bit Darwin structure-by-value pass/return.
7976 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7977 intoffset, use_stack, named.
7978 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
7979 (rs6000_darwin64_record_arg_advance_flush): New.
7980 (rs6000_darwin64_record_arg_advance_recurse): New.
7981 (rs6000_darwin64_record_arg_flush): New.
7982 (rs6000_darwin64_record_arg_recurse): New.
7983 (rs6000_darwin64_record_arg): New.
7984 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
7985 (function_arg_boundary): Handle 128-bit aligned structs.
7986 (function_arg_advance): Rewrite darwin64 struct handling.
7987 (function_arg): Call rs6000_darwin64_record_arg.
7988 (function_arg_partial_nregs): Handle darwin64 structs.
7989 (rs6000_darwin64_function_value): Remove.
7990 (rs6000_function_value): Call rs6000_darwin64_record_arg.
7992 2005-02-28 Roger Sayle <roger@eyesopen.com>
7994 PR tree-optimization/20216
7995 * tree-chrec.c (tree_fold_factorial): Delete.
7996 (tree_fold_binomial): Change argument list to take a return type
7997 and change the type of K to unsigned int. Rewrite to avoid explicit
7998 evaluation of factorials, and (recursively) calling fold to perform
7999 compile-time arithmetic. Return NULL on (internal) overflow.
8000 (chrec_evaluate): Change type of K to an unsigned int. Avoid
8001 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
8002 if any intermediate calculation overflows.
8003 (chrec_apply): Update call to chrec_evaluate.
8005 2005-02-28 James E Wilson <wilson@specifixinc.com>
8007 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8009 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
8011 PR c/20245
8012 * c-parser.c (c_parser_compound_statement): Return error_mark_node
8013 instead of NULL_TREE on error.
8015 2005-02-28 David Edelsohn <edelsohn@gnu.org>
8017 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8018 (EASY_VECTOR_15_ADD_SELF): Remove.
8019 (num_insns_constant_wide): Not static.
8020 (validate_condition_mode): Not static.
8021 (toc_relative_expr_p): Not static.
8022 (legitimate_indirect_address_p): Not static.
8023 (macho_lo_sum_memory_operand): Not static.
8024 (invalid_e500_subreg): Not static.
8025 (easy_vector_same): Not static.
8026 (easy_vector_splat_const): Not static.
8027 (RS6000_SYMBOL_REF_TLS_P): Remove.
8028 (any_operand): Delete.
8029 (any_parallel_operand): Delete.
8030 (count_register_operand): Delete.
8031 (altivec_register_operand): Delete.
8032 (xer_operand): Delete.
8033 (s8bit_cint_operand): Delete.
8034 (short_cint_operand): Delete.
8035 (u_short_cint_operand): Delete.
8036 (non_short_cint_operand): Delete.
8037 (exact_log2_cint_operand): Delete.
8038 (gpc_reg_operand): Delete.
8039 (cc_reg_operand): Delete.
8040 (cc_reg_not_cr0_operand): Delete.
8041 (reg_or_short_operand): Delete.
8042 (reg_or_neg_short_operand): Delete.
8043 (reg_or_aligned_short_operand): Delete.
8044 (reg_or_u_short_operand): Delete.
8045 (reg_or_cint_operand): Delete.
8046 (reg_or_arith_cint_operand): Delete.
8047 (reg_or_add_cint64_operand): Delete.
8048 (reg_or_sub_cint64_operand): Delete.
8049 (reg_or_logical_cint_operand): Delete.
8050 (got_operand): Delete.
8051 (got_no_const_operand): Delete.
8052 (easy_fp_constant): Delete.
8053 (easy_vector_constant): Delete.
8054 (easy_vector_constant_add_self): Delete.
8055 (zero_constant): Delete.
8056 (zero_fp_constant): Delete.
8057 (volatile_mem_operand): Delete.
8058 (offsettable_mem_operand): Delete.
8059 (mem_or_easy_const_operand): Delete.
8060 (add_operand): Delete.
8061 (non_add_cint_operand): Delete.
8062 (logical_operand): Delete.
8063 (non_logical_cint_operand): Delete.
8064 (mask_operand): Delete.
8065 (mask_operand_wrap): Delete.
8066 (mask64_operand): Delete.
8067 (mask64_2_operand): Delete.
8068 (and64_operand): Delete.
8069 (and64_2_operand): Delete.
8070 (and_operand): Delete.
8071 (reg_or_mem_operand): Delete.
8072 (lwa_operand): Delete.
8073 (symbol_ref_operand): Delete.
8074 (call_operand): Delete.
8075 (current_file_function_operand): Delete.
8076 (input_operand): Delete.
8077 (rs6000_nonimmediate_operand): Delete.
8078 (rs6000_tls_symbol_ref): Delete.
8079 (save_world_operation): Delete.
8080 (restore_world_operation): Delete.
8081 (load_multiple_operation): Delete.
8082 (store_multiple_operation): Delete.
8083 (vrsave_operation): Delete.
8084 (mfcr_operation): Delete.
8085 (mtcrf_operation): Delete.
8086 (lmw_operation): Delete.
8087 (stmw_operation): Delete.
8088 (branch_comparison_operator): Delete.
8089 (branch_positive_comparison_operator): Delete.
8090 (scc_comparison_operator): Delete.
8091 (trap_comparison_operator): Delete.
8092 (boolean_operator): Delete.
8093 (boolean_or_operator): Delete.
8094 (min_max_operator): Delete.
8095 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8096 (EASY_VECTOR_15): Moved to here.
8097 (EASY_VECTOR_15_ADD_SELF): Move to here.
8098 (PREDICATE_CODES): Delete.
8099 * config/rs6000/rs6000-protos.h: Delete predicate functions.
8100 Declare functions no longer static.
8101 * config/rs6000/predicates.md: New.
8102 * config/rs6000/rs6000.md: Include predicates.md
8104 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
8106 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
8107 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8108 REG_ALWAYS_RETURN.
8109 * cfgrtl.c (need_fake_edge_p): Likewise.
8110 * combine.c (distribute_notes): Likewise.
8111 * emit-rtl.c (try_split): Likewise.
8112 * recog.c (peephole2_opimize): Likewise.
8113 * reg-notes.def (ALWAYS_RETURN): Remove.
8114 * rtl.h (LCT_ALWAYS_RETURN): Remove.
8115 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8116 * tree.h (ECF_ALWAYS_RETURN): Remove.
8118 2005-02-28 Roger Sayle <roger@eyesopen.com>
8120 PR middle-end/19874
8121 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8122 between different machine modes is never a "useless" conversion.
8124 2005-02-28 Geert Bosch <bosch@gnat.com>
8126 PR ada/15977
8127 * doc/contrib.texi: List contributors for Ada front end
8129 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8131 * simplify-rtx.c (simplify_unary_operation_1,
8132 simplify_const_unary_operation): New, extracted from...
8133 (simplify_unary_operation): ... this one.
8134 (simplify_binary_operation_1,
8135 simplify_const_binary_operation): New, extracted from...
8136 (simplify_binary_operation): ... this one.
8137 * rtl.h (simplify_const_unary_operation,
8138 simplify_const_binary_operation): Add prototypes.
8140 2005-02-28 Julian Brown <julian@codesourcery.com>
8142 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8143 building libjava and caused PR regression/20228.
8145 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8147 PR bootstrap/17383
8148 * Makefile.in (host_subdir): New.
8149 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
8150 * configure: Regenerate.
8152 2005-02-27 Zack Weinberg <zack@codesourcery.com>
8154 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8155 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8156 installation directory first.
8158 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
8160 PR target/19065.
8161 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8162 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8163 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8164 * config/cris/cris.md: Tweak comments referring to Q.
8165 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8166 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8167 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8168 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8169 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8170 Insert spaces in constraints to align alternatives vertically for
8171 readability.
8172 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
8173 operand 1: "M".
8175 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8177 PR rtl-optimization/17728
8178 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8179 operand 0 from general_operand to move_dest_operand.
8181 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8183 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8184 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8185 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8186 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8188 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
8190 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8191 * configure: Regenerate.
8192 * libada-mk.in: Remove CC; rename
8193 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8195 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
8197 PR tree-opt/20188
8198 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8199 for the lhs, also walk over the tree. Likewise for rhs.
8201 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8203 * tree-ssa-dom.c (simple_iv_increment_p): New function.
8204 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8205 Do not propagate value of iv before increment over the increment.
8207 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
8209 * c-parser.c: New file.
8210 * c-parse.in: Remove.
8211 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8212 Remove.
8213 (c-parser.o): Add dependencies.
8214 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8215 maintainer-clean, TAGS): Update.
8216 * c-config-lang.in (gtfiles): Update.
8217 * gengtype-lex.l: Don't handle "@@".
8218 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8219 objc_build_synchronized, objc_begin_try_stmt,
8220 objc_begin_catch_clause, objc_finish_catch_clause,
8221 objc_build_finally_clause, objc_finish_try_stmt): New.
8222 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8223 type_seen_p.
8224 (c_parse_init): Update comment.
8225 * c-decl.c (c_init_decl_processing): Update comment.
8226 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8227 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8228 new c_declspecs members.
8230 2005-02-25 Julian Brown <julian@codesourcery.com>
8232 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8233 from being used for symbols with vague linkage when
8234 HAVE_GAS_COMDAT_GROUP is true.
8236 2005-02-25 Mark Mitchell <mark@codesourcery.com>
8238 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8240 2005-02-25 Steve Ellcey <sje@cup.hp.com>
8242 PR target/19930
8243 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8244 (LIBGCC2_HAS_DF_MODE): New.
8245 (LIBGCC2_HAS_XF_MODE): New.
8246 (LIBGCC2_HAS_TF_MODE): New.
8247 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8248 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8249 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8250 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8251 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8252 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8253 and add _fixtfdi, _fixunstfdi, _floatditf
8254 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8255 L_fixunstfdi, L_floatditf.
8256 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8257 (LIBGCC2_HAS_TF_MODE): Define.
8259 2005-02-25 Diego Novillo <dnovillo@redhat.com>
8261 PR tree-optimization/20204
8262 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8263 REWRITE_THIS_STMT markers on PHI nodes.
8264 (rewrite_initialize_block): Likewise.
8266 2005-02-25 Mark Mitchell <mark@codesourcery.com>
8268 * version.c (version_string): Update to 4.1.
8270 2005-02-25 Paolo Carlini <pcarlini@suse.de>
8272 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8273 Clarify that the alternative way doesn't work in GNU C++.
8275 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
8277 PR tree-optimization/19937
8278 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8279 to the type of the induction variable.
8281 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
8283 PR rtl-optimization/20117
8284 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8285 the block including noncopyable insn.
8287 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
8289 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8290 calls to find_reg_note.
8292 2005-02-24 Richard Henderson <rth@redhat.com>
8294 PR tree-opt/20127
8295 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8296 the type.
8298 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
8300 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8301 vector types if to use base reg for misaligned non-word ld/std.
8303 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
8305 PR target/14619
8306 * config/cris/cris.c (cris_target_asm_function_prologue): Create
8307 dwarf2 label manually and put it after, not before the prologue.
8309 2005-02-24 David Edelsohn <edelsohn@gnu.org>
8311 PR target/19019
8312 * reload.c (operands_match_p): Only increment register number for
8313 SCALAR_INT_MODE_P modes in multiple hard registers.
8315 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8316 Fix formatting.
8318 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8320 * ChangeLog.5: Fix log message typo(s).
8321 * ChangeLog.7: Likewise.
8322 * ChangeLog.tree-ssa: Likewise.
8323 * cfgexpand.c: Fix comment typo(s).
8324 * conflict.c: Likewise.
8325 * defaults.h: Likewise.
8326 * dwarf2out.c: Likewise.
8327 * gcse.c: Likewise.
8328 * ggc-page.c: Likewise.
8329 * tree-eh.c: Likewise.
8330 * tree-ssa-dom.c: Likewise.
8332 2005-02-24 Jakub Jelinek <jakub@redhat.com>
8334 PR target/19019
8335 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8336 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8337 if SHARED is defined.
8339 PR target/20196
8340 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8341 allow splitting only if operands 0 and 3 don't overlap.
8343 2005-02-24 Richard Henderson <rth@redhat.com>
8345 PR middle-end/19953
8346 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8347 (fold_builtin_1): Call them.
8348 * fold-const.c (fold_complex_mult_parts): Split out from ...
8349 (fold_complex_mult): ... here. Fix typo in both imaginary case.
8350 (fold_complex_div_parts, fold_complex_div): New.
8351 (fold): Use them.
8352 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8354 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8356 * tree-ssa-ccp.c (visit_assignment): Verify that result of
8357 VIEW_CONVERT_EXPR is_gimple_min_invariant.
8359 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8360 (print_node): Likewise.
8361 Print TYPE_SIZES_GIMPLIFIED.
8363 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
8365 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8366 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8367 operands as commutative in constraints.
8369 2005-02-24 Diego Novillo <dnovillo@redhat.com>
8371 * tree-into-ssa.c: Re-organize internal functions.
8373 2005-02-24 Richard Henderson <rth@redhat.com>
8375 PR middle-end/18902
8376 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
8377 for c99.
8378 * common.opt (fcx-limited-range): New.
8379 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8380 * toplev.c (flag_complex_method): Initialize to 1.
8381 (process_options): Set flag_complex_method to 0 if
8382 flag_cx_limited_range.
8383 * doc/invoke.texi (-fcx-limited-range): New.
8385 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
8387 * cse.c (delete_trivially_dead_insns): Speed up by using
8388 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
8389 prev_real_insn.
8391 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
8393 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
8394 functions when -mid-shared-library is being used.
8396 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
8398 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
8399 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
8400 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
8401 * system.h: Poison LINK_LIBGCC_SPECIAL.
8403 2005-02-23 James E Wilson <wilson@specifixinc.com>
8405 * gengtype.c (note_insn_name): Make 1 element larger.
8407 2005-02-23 Roger Sayle <roger@eyesopen.com>
8409 PR target/20018
8410 PR rtl-optimization/20097
8411 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8412 BImode SUBREGs of SImode registers which confuse the ia64 backend.
8414 2005-02-23 David Edelsohn <edelsohn@gnu.org>
8416 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
8417 * t-aix52 (SHLIB_INSTALL): Same.
8419 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
8421 * genpreds.c: Update copyright.
8423 2005-02-23 Michael Beach <michaelb@ieee.org>
8425 PR target/20159
8426 * config/sparc/t-elf (startup files): Assemble with CPP.
8428 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
8430 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
8431 (write_predicate_expr): Likewise.
8433 2005-02-22 Diego Novillo <dnovillo@redhat.com>
8435 PR tree-optimization/20100
8436 PR tree-optimization/20115
8437 * tree-optimize.c (init_tree_optimization_passes): Remove
8438 pass_maybe_create_global_var.
8439 * tree-pass.h (pass_maybe_create_global_var): Remove.
8440 * tree-ssa-alias.c (aliases_computed_p): Declare.
8441 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
8442 (count_calls_and_maybe_create_global_var): Remove.
8443 (pass_maybe_create_global_var): Remove.
8444 (init_alias_info): Do not declare aliases_computed_p.
8445 (maybe_create_global_var): If the function contains no
8446 call-clobbered variables and a mix of pure/const and regular
8447 function calls, create .GLOBAL_VAR.
8448 Mark all call-clobbered variables for renaming.
8449 (merge_pointed_to_info): Update comment.
8450 (add_pointed_to_var): Likewise.
8451 (is_escape_site): Likewise.
8452 Accept struct alias_info * instead of size_t *.
8453 Update all users.
8454 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
8455 as necessary.
8456 * tree-ssa-operands.c (get_call_expr_operands): If
8457 ALIASES_COMPUTED_P is false, do not add call-clobbering
8458 operands.
8459 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
8460 (delete_tree_ssa): Likewise.
8462 2005-02-22 James E Wilson <wilson@specifixinc.com>
8464 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
8465 (do_compile): Do call it here.
8467 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
8469 PR rtl-optimization/20017.
8470 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
8471 rest_of_handle_cse2, rest_of_handle_gcse): Call
8472 delete_dead_jumptables immediately before calling cleanup_cfg.
8474 2005-02-22 Devang Patel <dpatel@apple.com>
8476 PR 19952
8477 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
8478 all labels
8480 2005-02-22 David Edelsohn <edelsohn@gnu.org>
8482 * config/rs6000/aix.h (WINT_TYPE): Define.
8484 2005-02-22 Stan Shebs <shebs@apple.com>
8486 * config/rs6000/rs6000.c (rs6000_override_options): Default to
8487 natural alignment for 64-bit Darwin.
8488 (rs6000_parse_alignment_option): Warn about uses of -malign-power
8489 on 64-bit Darwin.
8490 * doc/invoke.texi: Document this.
8492 2005-02-22 DJ Delorie <dj@redhat.com>
8494 * c-common.c (c_common_type_for_mode): Pass the mode's precision
8495 to make_[un]signed_type, not the mode itself.
8497 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
8499 * cfg.c (cached_make_edge): Call make_edge if edge cache is
8500 not available. Use tail calls wherever possible.
8501 (make_edge): Call unchecked_make_edge to create an edge.
8503 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
8504 (coalesce_ssa_name): Don't check for
8505 SSANORM_USE_COALESCE_LIST.
8506 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
8508 2005-02-22 Diego Novillo <dnovillo@redhat.com>
8510 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
8511 (rewrite_into_ssa): ... here.
8513 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
8515 PR tree-optimization/19786
8516 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
8517 tag to another's may-alias bitmap when adding to the other's list.
8519 2005-02-21 DJ Delorie <dj@redhat.com>
8521 * tree-ssa-loop-ivopts.c (computation_cost): Start register
8522 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
8523 registers in unsupported ways.
8524 * expmed.c (init_expmed): Likewise.
8526 2005-02-21 Stan Cox <scox@redhat.com>
8528 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
8530 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
8532 * tree-cfg.c (fold_cond_expr_cond): New.
8533 (make_edges): Call fold_cond_expr_cond.
8534 (find_taken_edge): Accept nothing but INTEGER_CST.
8535 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
8536 and 1.
8537 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
8539 * flow.c (delete_dead_jumptables): Speed up by scanning insns
8540 that do not belong to any basic block.
8542 2005-02-21 Jeff Law <law@redhat.com>
8544 * cfganal.c (find_unreachable_blocks): Manually CSE load of
8545 e->dest.
8547 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
8549 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
8550 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
8551 Adjust their definitions.
8552 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
8553 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
8555 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
8556 genautomata.c, langhooks.c, langhooks.h, system.h,
8557 config/arm/lib1funcs.asm: Update copyright.
8559 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
8561 * dbxout.c (dbxout_function_end): Emit Lscope label always.
8563 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
8565 PR bootstrap/13770
8566 * doc/install.texi: Document --with-gc.
8568 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
8570 * simplify-rtx.c (simplify_unary_operation): Add a missing
8571 "break" statement.
8573 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8575 PR tree-optimization/18663
8576 * tree-ssa-dom.c (extract_range_from_cond): Return 0
8577 if the type has variable bounds.
8579 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
8581 * gcse.c: Remove an obsolete comment.
8583 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
8585 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
8587 * doc/extend.texi (Function Attributes) <Attribute const>: The
8588 attribute "pure" is below this text, not above.
8590 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8592 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
8593 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
8594 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
8596 2005-02-20 Zack Weinberg <zack@codesourcery.com>
8598 PR 18785
8599 * langhooks.h (struct lang_hooks): Add to_target_charset.
8600 * langhooks.c (lhd_to_target_charset): New function.
8601 * langhooks-def.h: Declare lhd_to_target_charset.
8602 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
8603 (LANG_HOOKS_INITIALIZER): Update.
8604 * c-common.c (c_common_to_target_charset): New function.
8605 * c-common.h: Declare it.
8606 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
8607 c_common_to_target_charset.
8609 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
8610 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
8611 Delete definitions.
8612 * system.h: Poison them.
8613 * doc/tm.texi: Don't discuss them.
8614 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
8615 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
8616 (pp_c_char): Do not attempt to generate letter escapes for
8617 newline, tab, etc.
8618 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
8619 * config/mips/mips.c (mips_output_ascii): Likewise.
8621 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
8623 PR tree-optimization/19951
8624 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
8625 is abnormal.
8627 2005-02-19 Steven Bosscher <stevenb@suse.de>
8629 PR middle-end/19698
8630 * function.h (struct function): New field `max_loop_depth'.
8631 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
8632 (flow_loops_find): Reset the max loop depth count before finding loops.
8633 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
8634 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
8635 (calculate_global_regs_live): Make sure the loop will terminate
8636 when the initial sets are not empty.
8638 2005-02-19 Zack Weinberg <zack@codesourcery.com>
8640 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
8641 object inside.
8642 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
8644 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
8646 PR other/19525
8647 * doc/invoke.texi: Remove documentation of %M spec.
8648 * gcc.c: Likewise.
8649 (init_spec): Remove %M suffix from -lgcc_s.
8650 (do_spec_1): Remove 'M' case.
8651 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
8652 to put shared libraries in the multilib directory. Remove the
8653 shlib_so_soname substitution variable. Don't add a multilib encoding
8654 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
8655 reported by -print-multi-os-directory. Pass @multilib_dir@ to
8656 SHLIB_INSTALL as well as SHLIB_LINK.
8657 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
8658 (SHLIB_NAME): Delete.
8659 (SHLIB_DIR): New macro.
8660 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
8661 (SHLIB_INSTALL): Adjust accordingly.
8662 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
8663 * config/t-slibgcc-sld: Likewise.
8664 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
8665 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
8666 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
8667 in $(SHLIB_DIR).
8668 (SHLIBUNWIND_INSTALL): Adjust accordingly.
8669 * config/i386/t-nwld (SHLIB_SONAME): Delete.
8670 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
8671 Use @shlib_base_name@ instead of @shlib_so_name@.
8672 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
8673 and @shlib_base_name@.so in @multilib_dir@.
8674 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
8675 to the install path.
8676 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
8677 (SHLIB_LINK): Remove previous workaround.
8678 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
8679 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
8680 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
8681 the install path.
8682 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
8683 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
8684 (SHLIB_INSTALL): Adjust accordingly.
8685 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
8686 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
8687 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
8688 config/t-slibgcc-elf-ver.
8690 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
8691 Jakub Jelinek <jakub@redhat.com>
8693 PR tree-optimization/19828
8694 * tree-ssa-loop-im.c: Add a TODO comment.
8695 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
8696 without side-effects.
8698 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
8700 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
8701 call fold_convert.
8703 2005-02-18 James E. Wilson <wilson@specifixinc.com>
8705 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
8706 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
8707 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
8708 functions.
8709 (ia64_reorg): Delete fixup_errata call.
8710 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
8711 (TARGET_SWITCHES): Delete -mb-step entry.
8713 2005-02-19 Jakub Jelinek <jakub@redhat.com>
8715 PR c/20043
8716 * c-typeck.c (composite_type): Handle quals in transparent unions.
8717 (type_lists_compatible_p): Likewise.
8719 2005-02-18 Stan Shebs <shebs@apple.com>
8721 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
8722 expressions in the .literal8 section.
8724 2005-02-18 Geoffrey Keating <geoffk@apple.com>
8726 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
8728 2005-02-18 Roger Sayle <roger@eyesopen.com>
8730 * fold-const.c (constant_boolean_node): Always create values of the
8731 specified type, don't bother calling truthvalue_conversion.
8733 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
8735 * except.c (output_function_exception_table): Call
8736 assemble_external_libcall (eh_personality_libfunc).
8738 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
8740 PR target/19886
8741 * config/ia64/ia64.h (struct machine_function): Add state_num.
8742 * config/ia64/ia64.c (process_epilogue,
8743 process_for_unwind_directive): Use new unwind state numbers each
8744 time rather than state 1.
8746 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
8748 PR target/20054
8749 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
8750 before the "*llgt_didi" pattern.
8752 2005-02-18 Jason Merrill <jason@redhat.com>
8754 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
8756 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
8758 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
8759 (div0): Use it in place of ARM_FUNC_ALIAS.
8760 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
8762 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8764 PR middle-end/20030
8765 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
8766 access, the lower bound of the array type if it exists.
8768 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
8770 PR c++/20008
8771 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
8772 cases that are out-of-range for the index type.
8774 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
8776 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
8777 (estimate_case_costs): Don't call convert.
8778 * expmed.c (expand_shift): Likewise.
8779 (make_tree): Call fold_convert instead of convert.
8781 2005-02-18 Jakub Jelinek <jakub@redhat.com>
8783 PR c++/19813
8784 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
8785 that ref to be marked MEM_READONLY_P doesn't have base that needs
8786 constructing.
8788 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
8790 * genautomata.c (output_get_cpu_unit_code_func,
8791 output_cpu_unit_reservation_p): Don't generate old-style function
8792 definitions.
8794 2005-02-18 Jakub Jelinek <jakub@redhat.com>
8796 PR c++/20023
8797 PR tree-optimization/20009
8798 * convert.c (convert_to_integer): Revert 2005-02-16 change.
8800 PR tree-optimization/18947
8801 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
8802 inline, remove all nodes that are inlined into the extern inline
8803 being redefined.
8805 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
8807 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
8808 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
8809 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
8810 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
8811 Update copyright.
8813 2005-02-17 Roger Sayle <roger@eyesopen.com>
8815 PR tree-optimization/19917
8816 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8817 to be potentially trapping.
8819 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
8821 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8823 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
8825 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8826 tem becomes a local variable which is set to the value of the
8827 back end defined INITIAL_FRAME_ADDRESS macro.
8828 (expand_builtin_frame_address): Omit the base parameter to
8829 expand_builtin_return_addr.
8830 (expand_builtin_profile_func): Likewise.
8831 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8832 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8833 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8835 2005-02-17 Jakub Jelinek <jakub@redhat.com>
8837 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8838 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8839 * config/frv/frv.c (frv_function_epilogue): Likewise.
8841 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
8843 * lambda-code (perfect_nestify): Remove mark/unmark
8844 for rewriting hack.
8845 * tree-loop-linear.c (linear_transform_loops): Add
8846 rewrite_into_ssa call so that ssa is correct for
8847 rewriting into loop closed.
8849 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
8851 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8852 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8853 BITMAP_FREE.
8854 * bt-load.c (btr_def_live_range, combine_btr_defs,
8855 migrate_btr_def, migrate_btr_defs): Likewise.
8856 * cfgcleanup.c (thread_jump): Likewise.
8857 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8858 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8859 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8860 df_rd_local_compute, df_reg_info_compute): Likewise.
8861 * dominance.c (init_dom_info, free_dom_info): Likewise.
8862 * flow.c (init_propagate_block_info,
8863 free_propagate_block_info): Likewise.
8864 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8865 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8866 modify_reg_pav): Likewise.
8867 * loop-invariant.c (find_defs, find_invariant_insn,
8868 find_invariants, free_inv_motion_data): Likewise.
8869 * predict.c (tree_predict_by_opcode,
8870 estimate_bb_frequencies): Likewise.
8871 * stmt.c (expand_case): Likewise.
8872 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8873 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8874 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8875 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8876 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8877 rewrite_ssa_into_ssa): Likewise.
8878 * tree-optimize.c (tree_rest_of_compilation): Likewise.
8879 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8880 analyze_edges_for_bb, perform_edge_inserts): Likewise.
8881 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8882 * tree-sra.c (tree_sra): Likewise.
8883 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8884 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8885 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8886 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8887 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8888 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8889 Likewise.
8890 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8891 calculate_live_on_entry, calculate_live_on_exit,
8892 build_tree_conflict_graph): Likewise.
8893 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8894 record_important_candidates, set_use_iv_cost, find_depends,
8895 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8896 tree_ssa_iv_optimize_finalize): Likewise.
8897 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8898 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8899 tree_duplicate_loop_to_header_edge): Likewise.
8900 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8901 * tree-ssa.c (verify_flow_insensitive_alias_info,
8902 verify_name_tags, verify_ssa, init_tree_ssa,
8903 delete_tree_ssa): Likewise.
8904 * tree-ssanames.c (marked_ssa_names, init_ssanames,
8905 fini_ssanames): Likewise.
8906 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8908 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
8910 * config/rs6000/t-rtems: Completely reworked.
8912 2005-02-17 Ira Rosen <irar@il.ibm.com>
8914 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8916 2005-02-17 Ira Rosen <irar@il.ibm.com>
8918 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8919 POINTER_TYPE_P when checking that type is a pointer.
8920 (vect_get_memtag): Remove.
8921 (vect_address_analysis): Use POINTER_TYPE_P. Call
8922 vect_object_analysis with dummy parameter for memtag.
8923 (vect_object_analysis): Extract memtag (functionality that
8924 used to be in vect_get_memtag and moved here). Fix printings.
8925 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8926 with correct parameters. Remove call to vect_get_memtag.
8928 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
8930 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8931 (tree-vectorizer.o): Added missing dependencies.
8933 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8934 decleration.
8935 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8936 declaration in tree-vectorizer.c, now has an extern declaration in
8937 tree-vectorizer.h).
8938 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8939 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8940 get_vectype_for_scalar_type, vect_is_simple_use,
8941 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8942 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8943 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8944 vectorizable_store, vectorizable_operation, vectorizable_assignment,
8945 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8946 find_loop_location): Likewise.
8948 * tree-vectorizer.c (langhooks.h): #include removed.
8949 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8950 moved to tree-vectorized.h.
8951 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8952 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8953 get_vectype_for_scalar_type, vect_is_simple_use,
8954 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8955 vect_supportable_dr_alignment, new_loop_vec_info,
8956 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8957 vect_set_verbosity_level, find_loop_location): Likewise.
8959 (vect_analyze_loop): Function externalized. Declaration moved to
8960 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8961 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8962 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8963 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8964 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8965 vect_enhance_data_refs_alignment, vect_analyze_operations,
8966 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8967 vect_stmt_relevant_p, vect_get_loop_niters,
8968 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8969 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8970 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8971 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8972 vect_get_memtag): Likewise.
8974 (vectorizable_load): Function externalized. Declaration moved to
8975 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8976 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8977 vect_transform_loop): Likewise.
8978 (vect_transform_stmt): Moved to tree-vect-transform.c.
8979 (vect_align_data_ref, vect_create_destination_var,
8980 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8981 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8982 vect_get_vec_def_for_operand, vect_init_vector,
8983 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8984 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8985 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8986 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8987 vect_do_peeling_for_loop_bound): Likewise.
8989 * tree-vect-analyze.c: New file.
8990 * tree-vect-transform.c: New file.
8992 2005-02-17 Jason Merrill <jason@redhat.com>
8994 PR mudflap/19319, c++/19317
8995 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8996 slot explicit.
8998 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
9000 * doc/install.texi (Specific): Update link for Darwin-specific
9001 tool binary site.
9003 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
9005 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9006 constant_boolean_node.
9008 2005-02-16 David Edelsohn <edelsohn@gnu.org>
9010 PR target/19019
9011 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9012 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9014 2005-02-16 Richard Henderson <rth@redhat.com>
9016 PR 19920
9017 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9018 with W_TYPE_SIZE.
9019 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9020 replace uses with Wtype_MAXp1_F.
9021 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9022 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9023 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9024 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9025 and HAVE_TFMODE as appropriate.
9026 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9027 (__floatdisf): Likewise.
9028 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9029 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9030 (Wtype_MAXp1_F): New.
9031 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9032 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9034 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
9036 * PR target/19162
9037 * arm.c (arm_apply_result_size): New function.
9038 * arm.h (APPLY_RESULT_SIZE): Define.
9039 * arm-protos.h (arm_apply_result_size): Add prototype.
9040 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9041 (movxf): New expand.
9042 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9043 (call_value_symbol): Remove predicate for operand 0.
9044 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9045 (untyped_call): Rework to correclty return values for any type.
9046 (untyped_return): New expand.
9047 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9049 2005-02-16 Stan Shebs <shebs@apple.com>
9051 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9052 * config/rs6000/t-darwin8: New, for 64-bit multilib.
9054 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9056 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9057 configure settings on Solaris 7 and later.
9059 2005-02-16 Diego Novillo <dnovillo@redhat.com>
9061 PR tree-optimization/19865
9062 * tree-optimize.c (init_tree_optimization_passes): Run
9063 pass_may_alias after pass_sra.
9065 2005-02-16 Richard Henderson <rth@redhat.com>
9066 Stuart Hastings <stuart@apple.com>
9068 PR debug/19521
9069 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9070 Do nothing if debug info suppressed for this function.
9071 (dbxout_begin_function): Early exit if debug info suppressed for
9072 this function.
9074 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
9076 PR target/20007
9077 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9078 find_basic_blocks.
9079 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9081 PR tree-optimization/19967
9082 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9083 expand_builtin_strchr, expand_builtin_strrchr): Take a new
9084 argument TYPE. Adjust calls to fold_builtin_XXX.
9085 (expand_builtin, fold_builtin_1): Adjust calls to
9086 expand_builtin_XXX.
9087 (fold_builtin_strchr, fold_builtin_strpbrk,
9088 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9089 result to a requested type TYPE.
9091 2005-02-16 Jakub Jelinek <jakub@redhat.com>
9093 PR middle-end/19857
9094 * fold-const.c (fold): Don't optimize (T)(x & cst) to
9095 (T)x & (T)cst if (T)cst overflows.
9096 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9097 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9099 2005-02-15 Jeff Law <law@redhat.com>
9101 * gcse.c (blocks_with_calls): New bitmap.
9102 (alloc_gcse_mem): Allocate it.
9103 (free_gcse_mem): Free it.
9104 (clear_modifY_mem_tables): Clear it.
9105 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9106 when we encounter CALL_INSNs.
9107 (compute_transp, case MEM): Handle blocks with calls separate
9108 from blocks without calls. Use bitmap iterators rather than
9109 FOR_EACH_BB.
9111 2005-02-15 Peter O'Gorman <peter@pogma.com>
9113 PR bootstrap/18810
9114 * mklibgcc.in (vis_hide): Use a temporary object file, not
9115 -o /dev/null.
9117 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
9119 PR target/19924
9120 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9121 access optimization.
9123 2005-02-15 David Edelsohn <edelsohn@gnu.org>
9124 Alan Modra <amodra@bigpond.net.au>
9126 PR target/19019
9127 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9128 (_xlqsub): Rename to __gcc_qsub.
9129 (_xlqmul): Rename to __gcc_qmul.
9130 (_xlqdiv): Rename to __gcc_qdiv.
9131 Provide versioned symbol aliases with old names.
9132 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9133 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9134 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9135 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9136 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9138 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
9140 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
9141 Fold ~(A - 1) and ~(A + -1) to -A.
9143 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
9145 PR pch/14940
9146 PR target/19300
9147 * config/host-linux.c (linux_gt_pch_use_address): Copy from
9148 config/pa/pa-host.c:pa_gt_pch_use_address.
9150 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
9152 * tree-vn.c (get_value_handle): Make sure that given an
9153 is_gimple_min_invariant expression, we always return it.
9155 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
9157 * passes.c (rest_of_handle_gcse): Fix a comment.
9159 2005-02-15 Jeff Law <law@redhat.com>
9161 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9162 bitmap.
9163 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9164 (canon_list_insert, record_last_mem_set_info): Similarly.
9165 (clear_modify_mem_tables): Similarly.
9167 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
9169 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9170 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9171 config/mips/mips.md, config/rs6000/aix.h,
9172 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9174 2005-02-15 Richard Henderson <rth@redhat.com>
9176 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9177 call to be best_edge.
9179 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
9181 * basic-block.h: Adjust the prototype for find_basic_blocks.
9182 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9183 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9184 find_basic_blocks.
9186 * flow.c (recompute_reg_usage): Remove all arguments.
9187 * passes.c (rest_of_compilation): Adjust the call to
9188 recompute_reg_usage.
9189 * rtl.h: Adjust the prototype for recompute_reg_usage.
9191 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
9193 * tree-dump.c (dump_files): Update to reflect new member
9194 of dump_file_info.
9195 (dump_register): Add new argument.
9196 Set glob name.
9197 (dump_switch_p_1): Check against glob name if doglob was passed.
9198 (dump_switch_p): Check against regular first, then glob if
9199 we didn't have any hits on the dump name.
9200 * tree-optimize.c (register_one_dump_file):
9201 Pass in glob name as well.
9202 * tree-pass.h (struct dump_file_info): Add glob
9203 member.
9205 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
9207 PR preprocessor/16323
9208 * doc/invoke.texi: Document that -Wendif-labels is on by default.
9210 2005-02-14 David Edelsohn <edelsohn@gnu.org>
9212 PR target/19019
9213 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9214 (trunctfdf2_internal1): New.
9215 (trunctfdf2_internal2): Renamed from trunctfdf2.
9217 2005-02-14 Diego Novillo <dnovillo@redhat.com>
9219 PR tree-optimization/19853
9220 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9222 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
9224 * passes.c (rest_of_handle_loop_optimize): Remove calls to
9225 delete_dead_jumptables and cleanup_cfg.
9227 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
9229 * reload.c (find_reloads): Swap address_reloaded flags when
9230 swapping commutative operands.
9232 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
9234 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9235 Use standard_iv_increment_position for computing the bsi position
9236 for create_iv.
9237 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9238 the bsi position.
9240 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9242 PR target/17428
9243 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9244 life range of hard registers.
9245 * value-prof.c (insn_prefetch_values_to_profile): Only
9246 scan normal insns.
9248 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9249 profile in libcalls.
9251 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
9253 * bitmap.h (bitmap_and_compl_into): Return bool.
9254 * bitmap.c (bitmap_and_compl_into): Return changed flag.
9256 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
9258 PR tree-optimization/19944
9259 * fold-const.c (fold): Re-add ABS_EXPR folding.
9261 2005-02-13 David Edelsohn <edelsohn@gnu.org>
9263 PR target/19019
9264 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9265 {TARGET,MASK}_XL_COMPAT.
9266 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
9267 MASK_XL_COMPAT.
9268 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9269 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9270 TARGET_XL_COMPAT.
9271 (rs6000_arg_partial_bytes): Same.
9272 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9273 and XL compatibility enabled.
9274 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9275 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9276 test to final condition.
9277 (cmptf_internal2): New.
9278 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9279 xl-compat. Add TFmode information to description.
9281 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
9283 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9285 2005-02-13 Jason Merrill <jason@redhat.com>
9287 PR c++/16405
9288 * fold-const.c (fold_indirect_ref_1): Split out from...
9289 (build_fold_indirect_ref): Here.
9290 (fold_indirect_ref): New fn.
9291 * tree.h: Declare it.
9292 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9293 (gimplify_modify_expr_rhs): Likewise.
9294 (gimplify_expr): Likewise.
9296 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
9298 PR tree-optimization/14303
9299 PR tree-optimization/15784
9300 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9301 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
9302 ABS_EXPR<x> != 0 to x != 0.
9304 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
9306 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9307 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
9308 spelling conventions.
9310 * passes.c (rest_of_handle_gcse): Don't run cse_main and
9311 delete_trivially_dead_insns too many times.
9313 * passes.c (rest_of_handle_gcse): Remove dead assignments to
9314 tem and tem2.
9316 2005-02-12 Ira Rosen <irar@il.ibm.com>
9318 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9319 (vect_is_simple_iv_evolution): Remove redundant parameter
9320 and step check.
9321 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9322 without last parameter.
9323 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9324 Return pointer step. Call vect_is_simple_iv_evolution without
9325 last parameter. Check only that the step is multiple of size
9326 type. Remove stmt_vinfo updates.
9327 (vect_get_memtag_and_dr): Remove.
9328 (vect_get_memtag): New function.
9329 (vect_address_analysis): New function.
9330 (vect_object_analysis): New function.
9331 (vect_analyze_data_refs): Call vect_object_analysis and
9332 vect_get_memtag. Update stmt_vinfo fields.
9334 2005-02-12 Ira Rosen <irar@il.ibm.com>
9336 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9337 exist and are objects. Remove checks for pointer.
9338 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9339 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9340 (vect_create_data_ref_ptr): Likewise.
9341 (vect_base_addr_differ_p): New function.
9342 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9343 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9344 Don't set the DR_BASE_NAME field of data-ref.
9345 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9347 2005-02-12 Uros Bizjak <uros@kss-loka.si>
9349 * optabs.h (enum optab_index): Add new OTI_ldexp.
9350 (ldexp_optab): Define corresponding macro.
9351 * optabs.c (init_optabs): Initialize ldexp_optab.
9352 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9353 patterns.
9354 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9355 using ldexp_optab.
9356 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9357 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9359 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9360 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9361 intrinsics.
9363 2005-02-12 Ira Rosen <irar@il.ibm.com>
9365 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9366 to base_address.
9367 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
9368 stmt_vec_info.
9369 (vect_get_base_and_offset): Always return an address.
9370 (vect_create_addr_base_for_vector_ref): Remove treatment for
9371 different data reference types.
9372 (vect_compute_data_ref_alignment): Rename base to base_address in
9373 stmt_vec_info. Get the object in order to force its alignment.
9374 (vect_get_memtag_and_dr): Rename base to base_address in
9375 stmt_vec_info. Extract the object for memtag analysis.
9377 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
9379 PR regression/19898.
9380 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
9381 changes cc_status, use apply modified_in_p to part of cc_status
9382 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
9383 body.
9385 2005-02-11 Richard Henderson <rth@redhat.com>
9387 * tree-complex.c (expand_complex_libcall): New.
9388 (expand_complex_multiplication): Use it for c99 compliance.
9389 (expand_complex_division): Likewise.
9390 * fold-const.c (fold_complex_add, fold_complex_mult): New.
9391 (fold): Call them.
9392 * builtins.c (built_in_names): Remove const.
9393 * tree.c (build_common_builtin_nodes): Build complex arithmetic
9394 builtins.
9395 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
9396 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
9397 (built_in_names): Remove const.
9398 * c-common.c (c_common_type_for_mode): Handle complex modes.
9399 * flags.h, toplev.c (flag_complex_method): Rename from
9400 flag_complex_divide_method.
9401 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
9402 __mulsc3, __muldc3, __mulxc3, __multc3): New.
9403 * libgcc2.h: Declare them.
9404 * libgcc-std.ver: Export them.
9405 * mklibgcc.in (lib2funcs): Build them.
9407 2005-02-11 Steven Bosscher <stevenb@suse.de>
9409 PR tree-optimization/19876
9410 Partially revert my change from 2005-01-14
9411 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
9412 (compute_antic): ...and remove the loop here.
9414 2005-02-11 Jakub Jelinek <jakub@redhat.com>
9416 PR middle-end/19858
9417 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
9418 is number of inner's bits, avoid creating a BIT_FIELD_REF.
9420 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
9421 crtend.o if -pie. Use %{x:a;:b} spec syntax.
9423 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
9425 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
9426 offsets for the big-endian 32-bit case.
9428 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
9430 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
9432 2005-02-11 Dale Johannesen <dalej@apple.com>
9434 * cselib.c (cselib_process_insn): Clear out regs where
9435 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
9436 * reload.c (find_equiv_reg): Ditto.
9438 2005-02-11 Ian Lance Taylor <ian@airs.com>
9440 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
9441 with no elements.
9443 * tree.c (build_function_type_list): Work correctly if there are
9444 no arguments.
9446 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
9448 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
9449 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
9450 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
9451 TARGET_ZARCH instead of TARGET_64BIT.
9453 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
9455 * config/rs6000/t-rtems:
9456 (MULTILIB_OPTIONS): Remove mcpu=602.
9457 (MUTLILIB_DIRNAMES): Remove m602.
9458 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
9459 Let mcpu=602 match mcpu=603.
9460 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
9462 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9464 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
9465 signal trampolines.
9467 2005-02-10 David Daney <ddaney@avtrex.com>
9469 * config/alpha/linux-unwind.h: Add exception clause to copyright.
9470 * config/i386/linux-unwind.h: Likewise.
9471 * config/ia64/linux-unwind.h: Likewise.
9472 * config/mips/linux-unwind.h: Likewise.
9473 * config/pa/linux-unwind.h: Likewise.
9474 * config/rs6000/linux-unwind.h: Likewise.
9475 * config/s390/linux-unwind.h: Likewise.
9476 * config/sh/linux-unwind.h: Likewise.
9477 * config/sparc/linux-unwind.h: Likewise.
9479 2005-02-10 Steven Bosscher <stevenb@suse.de>
9481 PR tree-optimization/17549
9482 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
9483 TER to replace a DEF with its expression if the DEF and the
9484 rhs of the expression we replace into have the same root
9485 variable.
9487 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
9489 * config/mips/mips.md: Fix the placement of the match_scratch in the
9490 lea64 peephole2.
9492 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
9494 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
9495 Fix comment typos.
9497 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9499 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
9500 (strip_offset): Handle addresses.
9501 (add_address_candidates): Use strip_offset.
9502 (difference_cost): Reflect strip_offset change.
9503 (force_var_cost, difference_cost): Strip nops.
9505 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
9507 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
9509 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
9510 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
9511 config/cris/cris-protos.h, config/cris/cris.c: Update
9512 copyright.
9514 2005-02-10 Jeff Law <law@redhat.com>
9516 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
9517 (lookup_avail_expr): Similarly.
9519 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
9521 * builtins.c (fold_builtin_powi): New function.
9522 (fold_builtin_1): Call it.
9524 2005-02-10 Steven Bosscher <stevenb@suse.de>
9526 PR documentation/19309
9527 * doc/cpp.texi: The __GNUC__ and related predefined macros
9528 are also defined for the "standalone" cpp.
9529 Some non-GCC compilers may also define __GNUC__.
9531 2005-02-10 Jakub Jelinek <jakub@redhat.com>
9533 PR c/19342
9534 * c-typeck.c (common_type): New routine. Old common_type renamed
9535 to...
9536 (c_common_type): ...this.
9537 (build_conditional_expr, build_binary_op): Use c_common_type instead
9538 of common_type.
9540 2005-02-10 Steven Bosscher <stevenb@suse.de>
9542 * doc/md.texi: Replace @samp{length} with @code{length}.
9544 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9546 PR tree-optimization/18687
9547 * tree-flow.h (find_loop_niter): Declare.
9548 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
9549 Try using scev even for loops with more than one exit.
9550 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
9551 (struct ivopts_data): Added niters field.
9552 (struct nfe_cache_elt): New.
9553 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
9554 functions.
9555 (tree_ssa_iv_optimize_init): Initialize niters cache.
9556 (determine_number_of_iterations): Removed.
9557 (find_induction_variables): Do not call determine_number_of_iterations.
9558 Access niters for single exit through niter_for_single_dom_exit.
9559 (add_iv_outer_candidates): Access niters for single exit through
9560 niter_for_single_dom_exit.
9561 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
9562 number_of_iterations_cond.
9563 (iv_period): New function.
9564 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
9565 (may_replace_final_value): Take data argument. Use
9566 niter_for_single_dom_exit.
9567 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
9568 (rewrite_use_compare): Pass data to may_eliminate_iv.
9569 (rewrite_use_outer): Pass data to may_replace_final_value.
9570 (free_loop_data): Clean up the niters cache.
9571 (tree_ssa_iv_optimize_finalize): Free the niters cache.
9572 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
9573 * tree-ssa-loop-niter.c (find_loop_niter): New function.
9574 (find_loop_niter_by_eval): Use tree_int_cst_lt.
9575 (num_ending_zeros): Moved to tree.c.
9576 * tree.h (num_ending_zeros): Declare.
9577 * tree.c (num_ending_zeros): Moved from tree.c.
9579 2005-02-09 Richard Henderson <rth@redhat.com>
9581 * builtins.c (DEF_BUILTIN): Add COND argument.
9582 * tree.h (DEF_BUILTIN): Likewise.
9583 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
9584 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
9585 match.
9586 (DEF_BUILTIN_STUB): New.
9587 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
9588 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
9589 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
9590 * c-common.c (DEF_BUILTIN): Add COND argument.
9591 * tree.c (local_define_builtin): New.
9592 (build_common_builtin_nodes): New.
9594 2005-02-09 Roger Sayle <roger@eyesopen.com>
9596 * fold-const.c (fold_strip_sign_ops): New function to simplify a
9597 floating point expression ignoring the sign of the result.
9598 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
9599 (fold) <MULT_EXPR>: Use it to simplify x*x.
9600 * tree.h (fold_strip_sign_ops): Prototype here.
9601 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
9602 argument. Use fold_strip_sign_ops to simplify the first argument.
9603 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
9604 first argument when the second argument is an even integer
9605 constant, but only with -funsafe_math_optimizations.
9606 (fold_builtin_1): Update call to fold_builtin_copysign.
9608 2005-02-09 Ian Lance Taylor <ian@airs.com>
9610 PR middle-end/19583
9611 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
9612 just check whether EH_FILTER_FAILURE falls through.
9614 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
9616 * gcc/haifa-sched.c (schedule_block): Make queued sched group
9617 insns return to ready list in the next turn.
9619 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
9621 PR middle-end/19402
9622 * builtins.def: New __builtin_powi[lf].
9623 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
9624 (expand_builtin_powi): New function.
9625 (expand_builtin): Dispatch to expand_builtin_powi.
9626 * libgcc2.h: Add prototypes for __builtin_powi[lf].
9627 * libgcc2.c: Add __builtin_powi[lf] implementation.
9628 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
9629 * optabs.h: Add powi_optab.
9630 * optabs.c (init_optabs): Initialize powi_optab.
9631 * doc/extend.texi: Document __builtin_powi[lf].
9633 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
9635 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
9636 exists.
9638 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
9640 PR middle-end/19854
9641 * fold-const.c (try_move_mult_to_index): Remove redundant
9642 type argument. Create ADDR_EXPR with correct type.
9643 (fold): Update callers of try_move_mult_to_index. Convert
9644 result to the appropriate type.
9646 2005-02-09 Roger Sayle <roger@eyesopen.com>
9648 PR target/19597
9649 * config/avr/avr.c (default_rtx_costs): Delete.
9650 (avr_operand_rtx_cost): New function.
9651 (avr_rtx_costs): Completely rewrite.
9653 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
9655 PR target/19806
9656 * config/cris/cris.c (in_code): New variable.
9657 (cris_output_addr_const): Now a static function, a wrapper for
9658 output_addr_const.
9659 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
9660 case from old cris_output_addr_const.
9661 (cris_asm_output_label_ref): Similar for LABEL_REF.
9662 (cris_output_addr_const_extra): Similar for UNSPEC.
9663 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
9664 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
9665 * config/cris/cris-protos.h (cris_output_addr_const): Remove
9666 declaration.
9667 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
9668 (cris_asm_output_label_ref): Declare.
9670 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
9672 PR preprocessor/19801
9673 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
9674 filenames that changed when libcpp was moved to the toplevel.
9676 2005-02-07 Roger Sayle <roger@eyesopen.com>
9678 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
9679 zero extensions of BImode operands. Call lowpart_subreg instead
9680 of gen_lowpart_common and gen_lowpart_SUBREG.
9682 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
9684 PR ada/19489
9685 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
9686 * configure.ac: Set cc_for_cross_gnattools.
9687 * configure: Regenerate.
9689 2005-02-08 Alan Modra <amodra@bigpond.net.au>
9691 PR target/19803
9692 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
9694 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9696 PR debug/19327
9697 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
9698 of nested functions.
9700 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
9702 * doc/extend.texi: Document deprecated extensions allowing
9703 static floating-point members to have initializers and allowing
9704 floating-point literals in integral constant expressions.
9706 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
9708 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
9709 config/darwin7.h, config/mips/mips.c,
9710 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
9711 Update copyright.
9713 * cse.c: Update comments.
9715 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
9717 PR middle-end/19775
9718 * builtins.c (fold_builtin_sqrt): Transform
9719 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
9720 pow(x,y*0.5).
9722 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
9723 Dorit Naishlos <dorit@il.ibm.com>
9725 * doc/invoke.texi (ftree-vectorizer-verbose): New.
9726 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
9727 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
9728 was added.
9729 * tree.h (vect_set_verbosity_level): New extern function declaration
9730 added.
9731 * tree-vectorizer.h (verbosity_levels): New enum type.
9732 * tree-vectorizer.c (vect_debug_stats): Function removed.
9733 (vect_debug_details): Likewise.
9734 (vect_verbosity_level): Global variable was defined and initialized.
9735 (vect_dump): Global variable definition.
9736 (vect_print_dump_info): New function.
9737 (vect_set_dump_settings): New function.
9738 (vect_set_verbosity_level): New function.
9739 (vectorize_loops): Add call to vect_set_dump_settings.
9741 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
9742 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9743 (slpeel_tree_peel_loop_to_edge): Likewise.
9745 (vect_analyze_offset_expr): Call to vect_print_dump_info with
9746 appropriate verbosity level instead of call to vect_debug_details
9747 or vect_debug_stats.
9748 (vect_get_base_and_offset):
9749 (vect_create_addr_base_for_vector_ref):
9750 (get_vectype_for_scalar_type):
9751 (vect_create_data_ref_ptr):
9752 (vect_init_vector):
9753 (vect_get_vec_def_for_operand):
9754 (vect_finish_stmt_generation):
9755 (vectorizable_assignment):
9756 (vectorizable_operation):
9757 (vectorizable_store):
9758 (vectorizable_load):
9759 (vect_transform_stmt):
9760 (vect_update_ivs_after_vectorizer):
9761 (vect_do_peeling_for_loop_bound):
9762 (vect_update_inits_of_drs):
9763 (vect_do_peeling_for_alignment):
9764 (vect_transform_loop):
9765 (vect_is_simple_use):
9766 (vect_analyze_operations):
9767 (vect_is_simple_iv_evolution):
9768 (vect_analyze_scalar_cycles):
9769 (vect_analyze_data_ref_dependence):
9770 (vect_analyze_data_ref_dependences):
9771 (vect_compute_data_ref_alignment):
9772 (vect_enhance_data_refs_alignment):
9773 (vect_analyze_data_refs_alignment):
9774 (vect_analyze_data_ref_access):
9775 (vect_analyze_data_ref_accesses):
9776 (vect_analyze_pointer_ref_access):
9777 (vect_get_memtag_and_dr):
9778 (vect_analyze_data_refs):
9779 (vect_mark_relevant):
9780 (vect_stmt_relevant_p):
9781 (vect_mark_stmts_to_be_vectorized):
9782 (vect_can_advance_ivs_p):
9783 (vect_get_loop_niters):
9784 (vect_analyze_loop_form):
9785 (vect_analyze_loop):
9786 (vectorize_loops): Likewise.
9788 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
9789 (vect_update_inits_of_drs):
9790 (vect_do_peeling_for_alignment):
9791 (vect_transform_loop):
9792 (vect_analyze_operations):
9793 (vect_analyze_scalar_cycles):
9794 (vect_analyze_data_ref_dependences):
9795 (vect_analyze_data_refs_alignment):
9796 (vect_analyze_data_ref_accesses):
9797 (vect_analyze_data_refs):
9798 (vect_mark_stmts_to_be_vectorized):
9799 (vect_get_loop_niters):
9800 (vect_analyze_loop_form):
9801 (vect_analyze_loop): Likewise.
9802 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
9804 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
9806 PR bootstrap/19796
9807 Revert:
9808 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
9809 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9810 either -ffast-math or -funsafe-math-optimizations is in use.
9812 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
9813 * config/mips/irix-csr.c: New file.
9814 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9815 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9816 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9817 executables.
9819 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
9821 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9822 redundant, incorrect definitions.
9824 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9825 expand.
9826 ("*tls_indirect_call"): New, reference hard regs directly.
9827 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9829 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
9831 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9832 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9834 2005-02-06 Roger Sayle <roger@eyesopen.com>
9836 PR rtl-optimization/19800
9837 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9838 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9839 gen_lowpart.
9841 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
9843 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9845 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
9847 PR other/17135
9848 * doc/invoke.texi: Correct documentation of -freorder-functions.
9850 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
9852 PR other/14402
9853 * doc/invoke.texi: Don't mention gccbug.
9855 2005-02-06 Roger Sayle <roger@eyesopen.com>
9856 Andrew Pinski <pinskia@physics.uc.edu>
9857 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
9859 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9860 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9861 into just (zero_extract:SI FOO (const_int 1) BAR).
9863 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
9865 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
9866 macro locally. Don't give last revision date. Use GCC version
9867 number from gcc-common.texi.
9868 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
9869 revision date. Use GCC version number from gcc-common.texi.
9870 Describe being a library as current state rather than as 3.x
9871 history.
9872 * doc/gcc.texi: Remove last update date.
9873 * doc/gccint.texi: Likewise. Update copyright dates.
9874 * doc/install.texi: Update copyright dates.
9876 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
9878 PR other/7549
9879 * doc/invoke.texi: Mention for each option included in -Wall that
9880 it is included in -Wall.
9881 * doc/gcc.texi: Update copyright and last modification date.
9883 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9885 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9886 unnecessary cast to original induction variable increments.
9888 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9890 PR tree-optimization/18219
9891 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9892 in distributed form.
9894 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
9896 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9897 Set bitpos and offset later in the function. Do nothing if the
9898 target is a register and if the bitfield lies completely outside
9899 that register.
9900 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9901 here. Return an uninitialised register if the source value is stored
9902 in a register and the bitfield lies completely outside that register.
9904 2005-02-06 Steven Bosscher <stevenb@suse.de>
9906 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9907 not SET_DEST.
9909 2005-02-06 Marcin Dalecki <martin@dalecki.de>
9911 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9913 2005-02-06 Geoffrey Keating <geoffk@apple.com>
9915 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9916 * config/darwin8.h: New.
9917 * config/darwin7.h: Update comment.
9919 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
9920 Dorit Naishlos <dorit@il.ibm.com>
9922 * tree-vectorizer.h (LOC): New type.
9923 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9924 (loop_line_number): New field in struct _loop_vec_info.
9925 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9927 * tree-vectorizer.c (input.h): Included.
9928 (find_loop_location): New function.
9929 (vect_debug_stats): Argument changed from loop to LOC. Computation of
9930 loop line number removed.
9931 (vect_debug_details): Likewise.
9932 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9934 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9935 call to vect_debug_details/stats changed from loop to loop_loc.
9936 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9937 (slpeel_tree_peel_loop_to_edge): Likewise.
9939 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9940 changed from NULL to UNKNOWN_LOC.
9941 (vect_get_base_and_offset):
9942 (vect_create_addr_base_for_vector_ref):
9943 (get_vectype_for_scalar_type):
9944 (vect_create_data_ref_ptr):
9945 (vect_init_vector):
9946 (vect_get_vec_def_for_operand):
9947 (vect_finish_stmt_generation):
9948 (vectorizable_assignment):
9949 (vectorizable_operation):
9950 (vectorizable_store):
9951 (vectorizable_load):
9952 (vect_transform_stmt):
9953 (vect_update_ivs_after_vectorizer):
9954 (vect_do_peeling_for_loop_bound):
9955 (vect_do_peeling_for_alignment):
9956 (vect_transform_loop):
9957 (vect_is_simple_use):
9958 (vect_analyze_operations):
9959 (vect_is_simple_iv_evolution):
9960 (vect_analyze_scalar_cycles):
9961 (vect_analyze_data_ref_dependences):
9962 (vect_compute_data_ref_alignment):
9963 (vect_enhance_data_refs_alignment):
9964 (vect_analyze_data_ref_access):
9965 (vect_analyze_data_ref_accesses):
9966 (vect_analyze_pointer_ref_access):
9967 (vect_get_memtag_and_dr):
9968 (vect_analyze_data_refs):
9969 (vect_mark_relevant):
9970 (vect_stmt_relevant_p):
9971 (vect_mark_stmts_to_be_vectorized):
9972 (vect_can_advance_ivs_p):
9973 (vect_get_loop_niters):
9974 (vect_analyze_loop):
9975 (vectorize_loops): Likewise.
9977 (vectorizable_load): Argument in call to vect_debug_details/stats
9978 changed from loop to LOOP_LOC (loop_vinfo).
9979 (vect_transform_loop):
9980 (vect_analyze_operations):
9981 (vect_analyze_scalar_cycles):
9982 (vect_analyze_data_ref_dependence):
9983 (vect_enhance_data_refs_alignment):
9984 (vect_analyze_data_ref_accesses):
9985 (vect_analyze_pointer_ref_access):
9986 (vect_analyze_data_refs):
9987 (vect_analyze_loop): Likewise.
9989 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9990 changed from loop to loop_loc.
9992 (vect_enhance_data_refs_alignment): Removed unused variable loop.
9994 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
9995 Dorit Naishlos <dorit@il.ibm.com>
9997 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9998 declaration added.
9999 (vect_analyze_data_ref_dependences): Likewise.
10001 (vect_is_simple_use): Argument changed from loop structure to
10002 loop_vect_info structure.
10003 (vect_can_advance_ivs_p): Likewise.
10004 (vect_create_index_for_vector_ref): Likewise.
10005 (vect_update_ivs_after_vectorizer): Likewise.
10006 (new_stmt_vec_info): Likewise.
10008 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10009 changed from loop to loop_vinfo.
10010 (vect_create_data_ref_ptr): First argument in call to
10011 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10012 (vectorizable_assignment): Second argument in call to vect_is_simple_use
10013 was changed from loop to loop_vinfo.
10014 (vectorizable_operation): Likewise.
10015 (vectorizable_store): Likewise.
10016 (vect_mark_stmts_to_be_vectorized): Likewise.
10017 (vect_do_peeling_for_loop_bound): First argument in call to
10018 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10019 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10020 was changed from loop to loop_vinfo.
10021 (vect_analyze_data_ref_dependences): Third argument in call to
10022 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10024 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10025 (vect_create_data_ref_ptr): Likewise.
10026 (vect_init_vector): Likewise.
10027 (vect_get_vec_def_for_operand): Likewise.
10028 (vectorizable_assignment): Likewise.
10029 (vectorizable_operation): Likewise.
10030 (vectorizable_store): Likewise.
10031 (vectorizable_load): Likewise.
10032 (vect_update_ivs_after_vectorizer): Likewise.
10033 (vect_is_simple_use): Likewise.
10034 (vect_analyze_data_ref_dependence): Likewise.
10035 (vect_analyze_pointer_ref_access): Likewise.
10036 (vect_can_advance_ivs_p): Likewise.
10038 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10039 before _stmt_vec_info.
10040 (_stmt_vec_info): Loop field replaced by loop_vec_info.
10041 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10042 (new_stmt_vec_info): Argument changed from loop structure to
10043 loop_vect_info structure
10045 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10046 (vect_analyze_offset_expr): Avoid 80 columns overflow.
10047 (vect_create_addr_base_for_vector_ref): Likewise.
10048 (vect_analyze_pointer_ref_access): Likewise.
10050 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
10052 PR tree-opt/19768
10053 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10054 phi flag if the phi is abnormal.
10056 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
10058 PR tree-opt/19736
10059 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10060 information for the new statement.
10062 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
10064 PR driver/19117
10065 * gcc.c (main): Include the target in -v output.
10067 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
10069 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10070 Do not drop the extend if we'd have to add a paradoxical subreg
10071 later. Include optabs.h and insn-codes.h.
10072 * Makefile.in (combine.o): Depend on $(OPTABS_H).
10074 2005-02-02 Roger Sayle <roger@eyesopen.com>
10076 PR middle-end/19405
10077 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10078 * fold-const.c (const_binop): Avoid constant folding floating
10079 point operations in modes that use composite representations.
10080 * simplify-rtx.c (simplify_binary_operation): Likewise.
10082 2005-02-02 Geoffrey Keating <geoffk@apple.com>
10084 * config/rs6000/altivec.md (altivec_dst): Make the first operand
10085 a REG, not a MEM.
10086 (altivec_dstt): Likewise.
10087 (altivec_dstst): Likewise.
10088 (altivec_dststt): Likewise.
10089 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10090 of first operand.
10092 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
10094 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10095 EXPR_LOCUS from orig_cond to the new cond_stmt.
10096 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10097 the new vec_stmt.
10099 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
10101 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10102 standard_iv_increment_position. Remove call to bsi_next
10103 (no need to bump the iterator anymore).
10104 (vect_create_index_for_vector_ref): Call
10105 standard_iv_increment_position. Remove second function argument.
10106 (vect_finish_stmt_generation): Remove call to bsi_next
10107 (no need to bump the iterator anymore).
10108 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10109 to vect_create_index_for_vector_ref.
10111 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
10113 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10114 phis are used out of the loop.
10116 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
10118 PR c/17807
10119 * c-decl.c (undef_nested_function): New variable.
10120 (pop_scope): Diagnose undefined nested functions.
10121 (finish_function): Don't attempt cgraph processing or genericizing
10122 if current top-level function contained an undefined nested
10123 function. Reset undef_nested_function at the end of a top-level
10124 function.
10126 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10128 * tree.c (build_int_cst_type): Take sign of the value into account
10129 when deciding whether sign extend the value.
10131 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
10133 PR c/18502
10134 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10135 (cpp_options, cc1_options): Change %{std*&ansi} to
10136 %{std*&ansi&trigraphs}.
10138 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
10140 * cse.c: Update comments.
10142 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
10144 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10145 arguments go on the stack. Do not put complex doubles in odd/even
10146 pairs.
10148 2005-02-02 Steven Bosscher <stevenb@suse.de>
10150 * doc/invoke.texi: Update the options enabled at -O1, -O2,
10151 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
10152 -ftree-pre, and -fthread-jumps.
10154 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
10156 PR tree-optimization/19578
10157 * tree-flow.h (modified_noreturn_calls): Declare.
10158 (noreturn_call_p): Declare.
10159 * tree-flow-inline.h (noreturn_call_p): New function.
10160 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10161 * tree-cfg.c (modified_noreturn_calls): New variable.
10162 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
10163 that contain a mid-block noreturn call.
10164 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10166 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
10168 * df.c (df_def_record_1, df_uses_record): Don't use
10169 DF_FOR_REGALLOC.
10170 * df.h (DF_FOR_REGALLOC): Remove.
10172 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
10174 PR c/19435
10175 * c-typeck.c (really_start_incremental_init): Reset
10176 constructor_max_index for arrays of incomplete type.
10178 2005-02-02 Jeff Law <law@redhat.com>
10180 * gcse.c (struct reg_set): Store the block index where the register
10181 was set rather than the setting insn.
10182 (record_one_set, compute_transp): Corresponding changes.
10183 (pre_insert_copy_insn): Do not call replace_one_set.
10184 (replace_one_set): Remove.
10186 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
10188 PR other/15514
10189 * doc/gcov.texi: Fix typo.
10191 2005-02-01 Richard Henderson <rth@redhat.com
10193 PR target/19680
10194 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10195 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10196 type to bool.
10197 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10198 * config/i386/i386-protos.h: Update.
10200 2005-02-01 Steven Bosscher <stevenb@suse.de>
10202 PR tree-optimization/19217
10203 * tree-cfg.c (verify_expr): Use the data field to see if TP was
10204 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
10205 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10206 that it is walking a PHI node.
10208 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
10210 * doc/extend.texi (Nested Functions): Update.
10212 2005-02-01 Richard Henderson <rth@redhat.com>
10214 PR 19696
10215 * optabs.c (expand_copysign_absneg): Export.
10216 * optabs.h (expand_copysign_absneg): Declare.
10217 * config/rs6000/rs6000.md (copysigntf3): New.
10219 2005-02-01 Diego Novillo <dnovillo@redhat.com>
10221 PR tree-optimization/19633
10222 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10223 * tree-ssa-alias.c (init_alias_info): Initialize.
10224 (merge_pointed_to_info): Set.
10225 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10226 (dump_points_to_info_for): Show value of pt_null.
10227 (struct count_ptr_d): Declare.
10228 (find_ptr_dereference): Remove.
10229 (ptr_is_dereferenced_by): Remove.
10230 (count_ptr_derefs): New local function.
10231 (count_uses_and_derefs): New local function.
10232 (compute_points_to_and_addr_escape): Call it. If the number
10233 of dereferences is greater than zero, mark the pointer as
10234 dereferenced. If there are fewer dereferences than uses of
10235 the pointer, the pointer's value escapes.
10237 2005-02-01 Diego Novillo <dnovillo@redhat.com>
10239 PR tree-optimization/19670
10240 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10241 here...
10242 (verify_use): ... set it here, instead.
10244 2005-02-01 Janis Johnson <janis187@us.ibm.com>
10246 * doc/sourcebuild.texi (Test directives): Fix formatting.
10248 * doc/sourcebuild.texi (Test directives): Describe selector
10249 expressions.
10251 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
10253 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10254 specific 64-bit CPUs.
10256 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
10258 PR target/16201
10259 * arm.c (arm_eliminable_register): New function.
10260 (adjacent_mem_locations): Don't allow eliminable registers. Use
10261 HOST_WIDE_INT for address offsets.
10262 * arm-protos.h (arm_eliminable_register): Add prototype.
10264 2005-02-01 Steven Bosscher <stevenb@suse.de>
10266 PR optimization/15242
10267 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10268 * basic-block.h (duplicate_computed_gotos): Add prototype.
10269 * bb-reorder.c (duplicate_computed_gotos): New function to
10270 duplicate sufficiently small blocks ending in a computed jump.
10271 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10272 if not optimizing for size.
10273 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10274 never do tail merging for blocks ending in a computed jump.
10275 * doc/invoke.texi: Document the max-goto-duplication-insns param.
10277 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
10279 Patch from Richard Sandiford <rsandifo@redhat.com>
10280 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10281 from inheriting a subreg equivalence with a non-spill register.
10283 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10285 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
10287 * config/frv/frv.c (movcc_fp_destination_operand): New.
10288 (gpr_or_memory_operand): Fix typo in comment.
10289 (gpr_or_memory_operand_with_scratch): New.
10290 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10291 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10292 movcc_fp_destination_operand.
10293 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10294 Legitimize memory addresses using a scratch register.
10296 2005-01-31 Jeff Law <law@redhat.com>
10298 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10299 bitmap a sparse bitmap instead of a simple bitmap.
10300 (mark_def_sites_initialize_block): Corresponding changes.
10301 (ssa_mark_def_sites_initialize_block): Likewise.
10302 (ssa_mark_phi_uses): Likewise.
10303 (mark_def_site, ssa_mark_def_sites): Likewise.
10304 (mark_def_site_blocks): Likewise.
10305 (rewrite_ssa_into_ssa): Likewise.
10307 * tree-ssa-dom.c (record_cond): Pass correct variable type
10308 for last argument to htab_find_slot_with_hash.
10310 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10311 effects when optimizing 0 % X. Do not try to optimize X % 0.
10313 2005-01-31 James E. Wilson <wilson@specifixinc.com>
10315 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10316 1_mmalua.
10318 2005-02-01 Eric Christopher <echristo@redhat.com>
10320 * config/mips/mips.c (override_options): Warn if -mint64
10321 is used.
10322 * doc/invoke.texi (MIPS Options): Document that -mint64 is
10323 deprecated.
10325 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
10327 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
10328 timestamp.
10329 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10330 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10331 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10332 (cached_regno): Initialize to INVALID_REGNUM.
10333 (cse_reg_info_table_size,
10334 cse_reg_info_table_first_uninitialized,
10335 cse_reg_info_timestamp): New.
10336 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10337 get_cse_reg_info.
10338 (init_cse_reg_info, get_cse_reg_info_1): New.
10339 (get_cse_reg_info): Cache the last look-up.
10340 (new_basic_block): Update the code to clear mappings from
10341 registers to cse_reg_info entries.
10342 (cse_main): Call init_cse_reg_info.
10344 * cse.c (get_cse_reg_info): Update a comment.
10346 2005-01-31 Steven Bosscher <stevenb@suse.de>
10348 PR c/19333
10349 * c-decl.c (start_decl): Do not warn about arrays of elements with
10350 an incomplete type here.
10351 (grokdeclarator): Do it here by making a pedwarn an error.
10352 * c-typeck.c (push_init_level): If there were previous errors with
10353 the constructor type, do not warn about braces for initializers.
10354 (process_init_element): Likewise for excess initializer elements.
10356 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
10358 * cse.c (delete_trivially_dead_insn): Don't iterate.
10360 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10362 * config/rs6000/rs6000.md (copysignsf3): New expand.
10363 (copysigndf3): Likewise.
10365 2005-01-31 Steven Bosscher <stevenb@suse.de>
10367 * recog.c (constrain_operands): Only look for earlyclobber operand
10368 conflicts if an '&' constraint was seen.
10370 2005-01-31 Marc Espie <espie@openbsd.org>
10372 * config.gcc: Don't include embedded systems fragment, switches default
10373 debugging format to ELF.
10374 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
10375 longer pick it up there.
10377 2005-01-31 Dale Johannesen <dalej@apple.com>
10379 * doc/extend.texi (nested functions): Fix linkage description.
10380 Clarify that static is not allowed.
10382 2005-01-31 Dale Johannesen <dalej@apple.com>
10384 * config/rs6000/darwin.md (movsf_low_di): Make work.
10385 (movdf_low_di): Make work.
10387 2005-01-31 Dale Johannesen <dalej@apple.com>
10389 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
10390 Make work for 64 bit.
10392 2005-01-31 Roger Sayle <roger@eyesopen.com>
10393 Dale Johannesen <dalej@apple.com>
10395 PR middle-end/19650
10396 * fold-const.c (fold_binary_op_with_conditional_arg):
10397 Make types match original operands, before STRIP_NOPS.
10399 2005-01-31 Alan Modra <amodra@bigpond.net.au>
10401 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
10402 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
10403 (struct gcc_sigcontext): Delete. Merge contents to..
10404 (struct gcc_ucontext): ..here.
10405 (get_sigcontext): Delete.
10406 (get_regs): New function, like get_sigcontext but return regs ptr.
10407 64-bit version finds regs from r1 to support vdso.
10408 (ppc_linux_aux_vector): New function.
10409 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
10410 and vector regs.
10412 2005-01-31 Ira Rosen <irar@il.ibm.com>
10414 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
10415 sizetype.
10416 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
10417 redundant fold. Fix misalignment for MINUS_EXPR.
10418 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
10419 (vect_analyze_pointer_ref_access): Likewise.
10420 (vect_get_memtag_and_dr): Likewise.
10422 2005-01-31 Richard Henderson <rth@redhat.com>
10424 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
10425 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
10426 absnegdf2_i387, absnegxf2_i387): Likewise.
10428 2005-01-31 Richard Henderson <rth@redhat.com>
10430 PR 19696
10431 * optabs.c (expand_copysign_absneg): New.
10432 (expand_copysign_bit): Split out from ...
10433 (expand_copysign): ... here. Use expand_copysign_absneg.
10435 2005-01-30 Roger Sayle <roger@eyesopen.com>
10437 PR middle-end/19697
10438 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
10439 constant as the second operand and a register as the third.
10441 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
10443 PR target/19704
10444 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
10445 that dllimport'd functions do not use all call-clobbered registers
10446 to pass parameters.
10448 2005-01-30 Richard Henderson <rth@redhat.com>
10450 PR 19696
10451 * optabs.c (expand_absneg_bit): Split out from expand_unop and
10452 expand_abs_nojump and generalize. Use operand_subword and
10453 emit_no_conflict_block. Support large modes.
10454 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
10455 back to maximum.
10456 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
10457 negation to subtraction.
10458 (expand_copysign): Check that the format has signed zeros.
10459 Use operand_subword and emit_no_conflict_block. Support large modes.
10461 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
10463 Fix PR tree-optimization/19624
10465 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
10466 * tree-ssa-pre.c: Add cfgloop.h.
10467 Update comment.
10468 (pre_stats): New member, constified.
10469 (inserted_exprs): New static variable.
10470 (NECESSARY): New macro.
10471 (create_expression_by_pieces): Fold the expression, and
10472 mark it as defaulting to not necessary. Also put in
10473 inserted_exprs.
10474 (fully_constant_expression): New function.
10475 (insert_into_preds_of_block): Modify to not insert phis when we
10476 are playing with induction variables.
10477 Push phis onto the inserted_exprs vector, and mark them as not
10478 necessary by default.
10479 (insert_aux): Call fully_constant_expression on eprime.
10480 If all edges produce the same value, mark it constant.
10481 (mark_operand_necessary): New function.
10482 (remove_dead_inserted_code): New function.
10483 (init_pre): Init loop optimizer to get loop info.
10484 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
10485 (execute_pre): Commit edge inserts, then remove dead code.
10487 2005-01-30 Richard Henderson <rth@redhat.com>
10489 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
10490 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
10492 2005-01-30 Richard Henderson <rth@redhat.com>
10494 PR target/19700
10495 * config/i386/i386.c (ix86_expand_copysign): New.
10496 (ix86_split_copysign_const): New.
10497 (ix86_split_copysign_var): Rename from ix86_split_copysign,
10498 rearrange op1/nmask operands.
10499 * config/i386/i386-protos.h: Update.
10500 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
10501 (copysigndf3): Likewise.
10502 (copysignsf3_const, copysigndf3_const): New.
10503 (copysignsf3_var): Rename from copysignsf3, split out splitter
10504 and fix split predicate for X constraint.
10505 (copysigndf3_var): Similarly.
10507 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
10509 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
10510 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
10511 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
10513 2005-01-29 Richard Henderson <rth@redhat.com>
10515 PR target/19690
10516 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
10517 of # and * in constraints.
10519 2005-01-29 Richard Henderson <rth@redhat.com>
10521 PR middle-end/19689
10522 * expr.c (store_field): Don't strip sub-mode cast when the input
10523 data is even smaller.
10525 2005-01-29 Richard Henderson <rth@redhat.com>
10527 PR middle-end/19687
10528 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
10529 union being empty.
10531 2005-01-29 Richard Henderson <rth@redhat.com>
10533 * combine.c (make_field_assignment): Fix argument order
10534 to gen_int_mode.
10536 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
10538 PR tree-optimization/15791
10539 * fold-const.c (extract_array_ref): New function.
10540 (fold): Fold comparisons between &a[i] and &a[j] or
10541 semantically equivalent trees.
10543 2005-01-29 Jeff Law <law@redhat.com>
10545 * gcse.c (insert_expr_in_table): Revamp handling of available
10546 and anticipatable occurrence lists to avoid unnecessary list
10547 walking.
10548 (insert_set_in_table): Similarly.
10550 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
10552 * c-common.c (fix_string_type): Just use c_build_qualified_type to
10553 build string type.
10554 (c_build_qualified_type): Build qualified array types with
10555 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
10556 * c-decl.c (c_make_fname_decl): Build unqualified array type
10557 before qualified type.
10558 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
10559 type is qualified, not just if type itself is. Don't apply
10560 qualifiers to array type when declarator is processed. Apply
10561 qualifiers to field type whether or not it is an array type.
10562 Don't handle array types specially for applying qualifiers to
10563 variables.
10564 * c-typeck.c (composite_type): Build unqualified element type and
10565 array type when forming composite of array types.
10566 (common_pointer_type, comptypes, comp_target_types,
10567 type_lists_compatible_p, build_indirect_ref, build_array_ref,
10568 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
10569 types.
10570 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
10571 (args2) in variables a1 and a2.
10573 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
10575 * cse.c (n_elements_made, max_elements_made): Remove.
10576 (insert): Don't touch n_elements_made.
10577 (cse_main): Don't touch n_elements_made or max_elements_made.
10579 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
10581 PR target/15384
10582 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
10583 configuration part of dp-bit.c to be lost.
10585 2005-01-28 Roger Sayle <roger@eyesopen.com>
10587 * expmed.c (expand_mult_highpart_optab): When attempting to use
10588 a non-widening multiplication in a wider mode, the operands need
10589 to be converted (zero or sign extended) to that mode.
10591 2005-01-28 Ian Lance Taylor <ian@airs.com>
10593 PR middle-end/16558
10594 PR middle-end/19583
10595 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
10596 through if both operands fall through.
10598 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
10600 * cse.c (fold_rtx) <PC>: Don't optimize.
10602 2005-01-28 Jeff Law <law@redhat.com>
10604 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
10605 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
10607 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
10609 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
10610 cse_reg_info_used_list_end): Remove.
10611 (cse_reg_info_list, cse_reg_info_list_free): New.
10612 (get_cse_reg_info): When allocating an instance of
10613 cse_reg_info, add it to the beginning of the cse_reg_info_list
10614 list. Remove code to maintain cse_reg_info_used_list.
10615 (new_basic_block): Reset the free list to the beginning of
10616 cse_reg_info_list.
10618 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
10620 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
10621 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
10622 (frv_expand_mdpackh_builtin): New function.
10623 (frv_expand_builtin): Use it to expand __MDPACKH.
10624 * doc/extend.texi (__MDPACKH): Update documentation.
10626 2005-01-28 Uros Bizjak <uros@kss-loka.si>
10628 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
10629 SSE_FLOAT_MODE_P for use_sse computation.
10631 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
10633 PR target/19663
10634 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
10636 2005-01-27 Richard Henderson <rth@redhat.com>
10638 * builtins.c (expand_builtin_copysign): New.
10639 (expand_builtin): Call it.
10640 * genopinit.c (optabs): Add copysign_optab.
10641 * optabs.c (init_optabs): Initialize it.
10642 (expand_copysign): New.
10643 * optabs.h (OTI_copysign, copysign_optab): New.
10644 (expand_copysign): Declare.
10646 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
10647 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
10649 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
10650 (ix86_expand_fp_absneg_operator): ... here.
10651 (ix86_split_copysign): New.
10652 * config/i386/i386-protos.h: Update.
10653 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
10654 (copysignsf3, copysigndf3): New.
10656 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
10657 (copysignsf3, ncopysignsf3): New.
10658 (copysigndf3, ncopysigndf3): New.
10659 (copysignxf3, ncopysignxf3): New.
10660 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
10662 2005-01-27 Arend Bayer <arend.bayer@web.de>
10663 Kazu Hirata <kazu@cs.umass.edu>
10665 * cse.c: (find_best_addr): Don't call copy_rtx before calling
10666 fold_rtx. Save cost recomputation if fold_rtx did nothing.
10667 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
10668 NULL_RTX.
10670 2005-01-27 Jeff Law <law@redhat.com>
10672 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
10673 definitions of SSA_NAMEs which are not being rewritten.
10674 (rewrite_ssa_into_ssa): Only initialize the current definition
10675 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
10676 If checking is enabled, assert that SSA_NAME_AUX is clear for all
10677 SSA_NAMEs before returning.
10679 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
10681 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
10682 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
10683 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
10684 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
10685 config/mips/iris6.h, config/sh/sh.c: Update copyright.
10687 2005-01-27 Steven Bosscher <stevenb@suse.de>
10689 PR middle-end/17278
10690 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
10691 higher to -O2 and higher. Likewise for tree PRE.
10692 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
10693 and better.
10695 2005-01-27 Ian Lance Taylor <ian@airs.com>
10697 PR middle-end/19583
10698 * gimple-low.c (try_catch_may_fallthru): New static function.
10699 (block_may_fallthru): Handle TRY_CATCH_EXPR.
10700 * tree-inline.c (expand_call_inline): Don't warn about reaching
10701 the end of a non-void function being inlined if the function uses
10702 a return slot.
10704 2005-01-27 Jakub Jelinek <jakub@redhat.com>
10706 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
10708 PR c/18946
10709 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
10710 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
10711 (implicitly_declare): Handle error_mark_node.
10713 2005-01-27 Richard Henderson <rth@redhat.com>
10715 PR tree-opt/14329
10716 * tree.h (struct tree_decl): Add debug_expr_is_from.
10717 (DECL_DEBUG_EXPR_IS_FROM): New.
10718 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
10719 * dwarf2out.c (dwarf2out_var_location): Update to match.
10720 * tree-outof-ssa.c (create_temp): Likewise.
10721 * var-tracking.c (track_expr_p): Likewise.
10722 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
10723 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
10724 * toplev.c (default_tree_printer): Likewise.
10726 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
10728 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
10729 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
10731 2005-01-27 Steven Bosscher <stevenb@suse.de>
10733 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
10734 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
10735 ASM_CLOBBERS): Add tree checks.
10737 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
10738 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
10739 * c-common.def (SWITCH_STMT): Update to match.
10740 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
10741 macros instead of SWITCH_EXPR ones.
10742 * c-dump.c (c_dump_tree): Likewise.
10743 * c-gimplify.c (gimplify_switch_stmt): Likewise.
10744 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
10746 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
10748 2005-01-27 Alan Modra <amodra@bigpond.net.au>
10750 * unwind-dw2.c (execute_stack_op): Add missing cases for
10751 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
10753 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
10755 * config.gcc (Obsolete configurations): Remove 'dummy', add
10756 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
10757 sparc-*-openbsd*.
10759 2005-01-26 Diego Novillo <dnovillo@redhat.com>
10761 PR tree-optimization/19633
10762 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
10763 CALL_EXPRs.
10764 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
10765 are no call-clobbered variables.
10766 * tree-outof-ssa.c (check_replaceable): Return false for calls
10767 with side-effects.
10769 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
10771 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
10772 even for variables with NULL DECL_INITIAL.
10774 2005-01-26 Stuart Hastings <stuart@apple.com>
10776 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
10778 2005-01-26 Richard Henderson <rth@redhat.com>
10780 PR middle-end/18008
10781 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10782 field's type.
10783 * expr.c (store_field): Strip conversions to odd-bit-sized types
10784 if the destination field width matches.
10786 2005-01-26 Richard Henderson <rth@redhat.com>
10788 * c-decl.c, expmed.c, expr.c: Revert last change.
10790 2005-01-26 Richard Henderson <rth@redhat.com>
10792 PR middle-end/18008
10793 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10794 field's type.
10795 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
10796 if we don't need the bits above those present in the current mode.
10797 * expr.c (store_field): Strip conversions to odd-bit-sized types
10798 if the destination field width matches.
10800 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
10802 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10803 either -ffast-math or -funsafe-math-optimizations is in use.
10805 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
10807 PR target/19293
10808 PR target/19329
10809 * config/avr/avr.c (notice_update_cc): Only set condition code for
10810 ashrqi3 if shift count > 0.
10811 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
10812 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
10813 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
10814 count <= 0 as a no-op, and shift count >= width by copying zero
10815 or sign bit to all bits of the result.
10816 * config/avr/avr.md (all shifts): Add alternatives for zero shift
10817 count, with attribute "length" set to 0 and "cc" set to "none".
10819 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
10821 * doc/invoke.texi: Document -mTLS.
10823 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10824 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10825 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10826 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10827 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10828 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10829 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10830 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10832 * configure.ac: Check for a TLS capable gas.
10834 * configure: Regenerate.
10836 2005-01-26 Richard Henderson <rth@redhat.com>
10838 PR middle-end/18008
10839 * combine.c (make_field_assignment): Simplify store to zero_extract
10840 from a source with an overlapping mask.
10842 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
10844 2004-11-11 Eric Christopher <echristo@redhat.com>
10846 * config/frv/frv.md: Add fr400_integer automaton. Don't
10847 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10848 to TYPE_MACC.
10850 2005-01-26 Steven Bosscher <stevenb@suse.de>
10852 PR middle-end/16585
10853 * cfgbuild.c (make_edges): Do not clear or set
10854 current_function_has_computed_jump.
10855 * function.h (struct function): Remove the has_computed_jump field.
10856 (current_function_has_computed_jump): Do not define.
10857 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10858 in a computed jump. Ignore current_function_has_computed_jump.
10860 2005-01-26 Richard Henderson <rth@redhat.com>
10862 PR middle-end/19515
10863 * expr.c (categorize_ctor_elements): New argument p_must_clear.
10864 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
10865 fully initialized.
10866 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10867 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
10868 objects into static storage if they have more than one non-zero value.
10869 * tree.h (categorize_ctor_elements): Update decl.
10871 2005-01-26 Steven Bosscher <stevenb@suse.de>
10873 PR middle-end/19616
10874 * tree.h (CALL_EXPR_TAILCALL): Add comment.
10875 * calls.c (check_sibcall_argument_overlap_1): Revert the change
10876 to this function from 2004-07-10.
10877 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10878 the current function for tail call optimizations if the address
10879 of one of it its arguments is taken.
10881 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
10883 * cse.c (fold_rtx): Call equiv_constant only when necessary.
10885 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
10887 * function.c (expand_function_end): If current_function_calls_alloca,
10888 emit stack restore in a place that is reached when the function falls
10889 through at the end.
10891 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
10893 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10894 rule to avoid matching inappropriate suffix rule.
10896 2005-01-26 Jan Hubicka <jh@suse.cz>
10898 PR tree-optimization/19241
10899 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10901 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
10903 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10904 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
10905 of doubling.
10906 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10907 <sim*>: Always use crt1.o, regardless of N in simN.
10908 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10909 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10910 (CRT_CALL_STATIC_FUNCTION): Remove.
10911 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10912 use crt1.o, regardless of N in simN.
10913 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10914 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10915 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10916 case isystem setting.
10917 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10919 2005-01-25 Ian Lance Taylor <ian@airs.com>
10921 * gimple-low.c (block_may_fallthru): Correct handling of
10922 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10924 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
10926 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10927 handlers to match indentation; nested under the mtune=* handler.
10928 Similar for mcpu= and march=.
10930 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
10932 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10933 * config/mips/linux64.h (LIB_SPEC): Likewise.
10934 * config/mn10300/linux.h (LIB_SPEC): Likewise.
10935 * config/sh/linux.h (LIB_SPEC): Likewise.
10937 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
10939 * config/frv/frv.c (frv_legitimize_tls_address): New.
10940 (TARGET_HAVE_TLS): Define.
10941 (FRV_SYMBOL_REF_TLS_P): Define.
10942 (frv_override_options): Handle new register classes.
10943 (frv_legitimate_address_p): Reject tls addresses.
10944 (frv_legitimize_address): Handle TLS addresses.
10945 (gen_inlined_tls_plt): New.
10946 (gen_tlsmoff): New.
10947 (frv_legitimize_tls_address): New.
10948 (unspec_got_name): Add TLS entries.
10949 (got12_operand): Add R_FRV_TLSMOFF12 case.
10950 (frv_emit_move): Fixup TLS addresses.
10951 (frv_emit_movsi): Legitimize TLS addresses.
10953 * config/frv/frv.h (MASK_BIG_TLS): New.
10954 (TARGET_BIG_TLS): New.
10955 (HAVE_AS_TLS): Define.
10956 (TARGET_SWITCHES): Add -mTLS and -mtls options.
10957 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10958 (REG_CLASS_NAMES): Same.
10959 (REG_CLASS_CONTENTS): Same.
10960 (CONSTRAINT_LEN): New.
10961 (REG_CLASS_FROM_CONSTRAINT): New.
10962 (PREDICATE_CODES): Add symbolic_operand.
10964 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10965 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10966 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10967 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10968 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10969 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10970 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10971 GR9_REG, GR14_REG, LRREG.
10972 (type): Add load_or_call attribute.
10973 ("load_or_call"): New reservation.
10974 ("call_gettlsoff"): New.
10975 ("tls_indirect_call"): New.
10976 ("tls_load_gottlsoff12"): New.
10977 ("tlsoff_hilo"): New.
10978 ("tls_tlsdesc_ldd"): New.
10979 ("tls_tlsoff_ld"): New.
10980 ("tls_lddi"): New.
10982 * config/frv/frv-protos.h (symbolic_operand): Protoize.
10984 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
10986 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10987 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10988 * config/frv/frv.c (TLS_BIAS): Define.
10989 (frv_output_dwarf_dtprel): New.
10991 2005-01-26 Jakub Jelinek <jakub@redhat.com>
10993 PR rtl-optimization/19579
10994 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10995 both A and B, see if they don't clobber registers the other expr uses.
10997 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
10999 * real.c (do_add): Initialize signalling and canonical members.
11001 * real.c (real_from_integer): Zero out destination.
11003 2005-01-18 Jan Hubicka <jh@suse.cz>
11005 PR tree-optimize/19337
11006 * tree-inline.c (initialize_inlined_parameters): Copy
11007 saved_static_chain_decl only.
11009 2005-01-25 Richard Henderson <rth@redhat.com>
11011 PR target/19556
11012 PR target/19584
11013 * config/i386/i386.c (x86_inter_unit_moves): Zero.
11014 (ix86_preferred_reload_class): Rewrite fp-constant section, with
11015 80387 enabled, to return a proper subclass. Return the subset that
11016 overlaps with GENERAL_REGS for PLUS.
11017 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11019 2005-01-25 Richard Henderson <rth@redhat.com>
11021 PR middle-end/19609
11022 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11024 2005-01-25 Roger Sayle <roger@eyesopen.com>
11026 * expmed.c (choose_multiplier): Change interface to return the
11027 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11028 (expand_divmod): Update calls to choose_multiplier.
11030 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11032 PR middle-end/19330
11033 * expmed.c (extract_bit_field): Use adjust_address instead of
11034 gen_lowpart when op0 is a MEM.
11036 2005-01-24 Steven Bosscher <stevenb@suse.de>
11038 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11040 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
11042 * config/mips/irix-csr.c: New file.
11043 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11044 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11045 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11046 executables.
11048 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
11050 PR bootstrap/19364
11051 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11052 sparc/elf.h, add sparc/sp-elf.h.
11053 (sparc-*-rtems*): Likewise.
11054 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11055 tm-dwarf2.h, add sparc/sp-elf.h.
11056 (sparc86x-*-elf): Likewise.
11057 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11058 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11059 TARGET_OS_CPP_BUILTINS.
11060 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11061 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11062 Undefine it.
11063 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11064 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11065 (SWITCH_TAKES_ARG): Likewise.
11066 (LOCAL_LABEL_PREFIX): Likewise.
11067 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11068 (TARGET_N_FORMAT_TYPES): Delete.
11069 (TARGET_FORMAT_TYPES): Likewise.
11070 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11071 * config/sparc/elf.h: Delete.
11072 * config/sparc/sp-elf.h: New file.
11074 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
11076 * tree-flow-inline.h (phi_arg_from_edge): Remove.
11077 * tree-flow.h: Remove the corresponding prototype.
11078 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11079 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11081 2005-01-24 Jakub Jelinek <jakub@redhat.com>
11083 PR target/17751
11084 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11085 for AIX ABI or ELF -fPIC.
11086 (rs6000_emit_load_toc_table): Don't create toc_section here.
11087 (rs6000_xcoff_file_start): Nor here.
11089 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
11091 * sh.c (ra.h): Don't #include.
11092 (hard_regs_intersect_p): New function, resurrected from ra.c.
11094 * sh.c: Fix 1996 Copyright.
11096 2005-01-24 Richard Henderson <rth@redhat.com>
11097 Aldy Hernandez <aldyh@redhat.com>
11099 * regrename.c (note_sets): Handle subregs.
11101 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
11103 PR bootstrap/18058
11104 * genconditions.c (write_header, write_conditions): Elide file if
11105 not GCC >= 3.0.1.
11107 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
11109 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11110 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11111 Update copyright.
11113 2005-01-24 Jakub Jelinek <jakub@redhat.com>
11115 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11116 expand_builtin_printf, expand_builtin_fprintf,
11117 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11118 checking against POINTER_TYPE.
11119 (validate_arglist): Handle POINTER_TYPE code by checking
11120 POINTER_TYPE_P.
11122 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
11124 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11125 init_rtlanal): New.
11126 (for_each_rtx): Call for_each_rtx_1.
11127 * rtl.h (init_rtlanal): Declare.
11128 * toplev.c (backend_init): Call init_rtlanal.
11130 2005-01-24 Jakub Jelinek <jakub@redhat.com>
11132 * flow.c (propagate_one_insn): Formatting.
11134 PR middle-end/19551
11135 * flow.c (libcall_dead_p): Be more conservative if unsure.
11136 If there are any instructions between insn and call, see if they are
11137 all dead before saying the libcall is dead.
11139 2005-01-24 Uros Bizjak <uros@kss-loka.si>
11141 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11142 operand constraint for operand 0.
11144 2005-01-23 Richard Henderson <rth@redhat.com>
11146 PR 19486
11147 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11148 edges leading to join block.
11150 2005-01-23 Roger Sayle <roger@eyesopen.com>
11152 * expmed.c (expand_mult_highpart): Make static. Change type of
11153 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11154 (expand_divmod): Updates calls to expand_mult_highpart by using
11155 gen_int_mode to pass a CONST_INT rtx.
11156 * rtl.h (expand_mult_highpart): Remove prototype.
11158 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
11160 * flow.c (regset_bytes, regset_size): Remove.
11162 * cfganal.c: Fix a reference to Harvey's paper.
11164 2005-01-23 Steven Bosscher <stevenb@suse.de>
11166 PR rtl-optimization/19464
11167 * tree-optimize.c (init_tree_optimization_passes): Add one more
11168 copyrename pass just before out-of-ssa.
11170 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
11172 PR bootstrap/18058
11173 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11174 * ggc-none.c (ggc_free): Define.
11176 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
11178 * cse.c (max_reg, max_insn_uid): Remove.
11179 (cse_main): Don't access max_reg or max_insn_uid.
11181 * c-common.c (explicit_flag_signed_bitfields,
11182 lang_statement_code_p, lang_expand_function_end): Remove.
11183 * c-common.h: Remove the corresponding declarations.
11184 * c-opts.c (c_common_handle_option): Remove all write access
11185 to explicit_flag_signed_bitfields.
11187 * cgraph.c (cgraph_varpool_n_nodes): Remove.
11188 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11189 * cgraph.h: Remove the corresponding declaration.
11191 * gcse.c (null_pointer_info): Remove.
11193 2005-01-23 Roger Sayle <roger@eyesopen.com>
11194 Eric Botcazou <ebotcazou@libertysurf.fr>
11196 * combine.c (simplify_logical): Only simplify logical expressions
11197 of the form ior(and(x,y),z) by the inverse distributive law if the
11198 result is cheaper than the original.
11200 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
11202 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11203 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11204 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11205 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11206 config/freebsd-spec.h, config/arm/arm.h,
11207 config/h8300/h8300.md, config/i386/i386.md,
11208 config/i386/predicates.md, config/i386/sse.md,
11209 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11210 config/vax/vax.md: Fix comment typos. Follow spelling
11211 conventions.
11213 2005-01-23 Steven Bosscher <stevenb@suse.de>
11215 * gengtype.c (walk_type): Produce `not equal to' compares for loop
11216 tests, instead of `less than'.
11218 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
11220 * function.c (assign_parm_setup_block): When creating a new stack slot
11221 for a parameter, get its alignment from the parameter's DECL_ALIGN
11222 rather than the type's TYPE_ALIGN. Make sure that the parameter
11223 is at least word aligned.
11225 2005-01-22 Roger Sayle <roger@eyesopen.com>
11227 PR middle-end/19378
11228 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11230 2005-01-22 Richard Henderson <rth@redhat.com>
11232 PR target/19506
11233 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11234 in both compare operands.
11235 (movdfcc_1_sse_max): Likewise.
11236 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
11237 (movdfcc_1_sse): Likewise.
11238 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11239 scratch register as needed.
11241 2005-01-22 Richard Henderson <rth@redhat.com>
11243 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11245 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11247 2005-01-22 Richard Henderson <rth@redhat.com>
11249 * genopinit.c (optabs): Use smin/smax for floating point too.
11250 * doc/md.texi: Update to match. Clarify that floating point
11251 results are undefined for +0/-0 and NaN.
11252 * doc/rtl.texi: Likewise.
11253 * rtl.def (SMIN, SMAX): Likewise
11254 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11256 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11257 leading 's' to the name.
11258 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11259 smaxxf3, sminxf3): Likewise.
11260 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11261 Likewise.
11263 2005-01-22 Paul Brook <paul@codesourcery.com>
11265 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11267 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
11269 * config/s390/s390.c (struct processor_costs): New fields
11270 dlgr, dlr, dr, dsgfr, dsgr.
11271 (z900_cost, z990_cost): Values for new fields.
11272 (s390_rtx_costs): New cases MEM und COMPARE in switch
11273 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11274 DIV, MOD, UDIV, UMOD.
11276 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
11278 * config/s390/s390.md ("doloop_si64"): Reload input value directly
11279 into the register being decremented.
11280 ("doloop_si31", "doloop_di"): Likewise.
11281 ("*doloop_si_long"): Adapt pattern.
11283 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
11285 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11286 access registers.
11287 (CLASS_MAX_NREGS): Likewise.
11289 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
11291 * doc/tree-ssa.texi (Statement Operands): Add example for new
11292 must-def macro. Note deprecation of old operands interface.
11294 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
11296 PR tree-optimization/19484
11297 * tree-cfg.c (remove_fallthru_edge): New function.
11298 (cleanup_control_flow): Remove fallthru edges from calls that are
11299 now known not to return.
11301 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
11303 Fix PR tree-optimization/19038
11304 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11305 copies with loop variant ones.
11307 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
11309 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11310 config/alpha/alpha-protos.h, config/alpha/alpha.h,
11311 config/alpha/alpha.md, config/alpha/predicates.md,
11312 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11313 config/sparc/sol2.h: Update copyright.
11315 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11316 first label to see if it is a nonlocal label.
11318 2005-01-22 David Edelsohn <edelsohn@gnu.org>
11319 Andrew Pinski <pinskia@physics.uc.edu>
11321 PR target/19491
11322 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11323 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
11325 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
11327 * config/rs6000/rtems.h: Update copyright.
11329 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
11331 PR target/19548
11332 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11333 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11334 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11336 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11338 PR c/18809
11339 * c-typeck.c (convert_arguments): Check for error_mark_node.
11341 2005-01-21 Ian Lance Taylor <ian@airs.com>
11343 PR tree-optimization/13000
11344 * tree-inline.c: Include "tree-flow.h".
11345 (expand_call_inline): If warn_return_type, warn if non-void inline
11346 function falls through.
11347 * tree-cfg.c (execute_warn_function_return): Don't warn about
11348 control reaching end if TREE_NO_WARNING is set. Set
11349 TREE_NO_WARNING.
11350 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11351 has been lowered.
11352 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11353 branch if we don't need one.
11354 * c-typeck.c: Include "tree-flow.h"
11355 (c_finish_bc_stmt): Don't add a goto if the current statement
11356 list doesn't fall through to the current point.
11358 2005-01-21 Roger Sayle <roger@eyesopen.com>
11360 PR rtl-optimization/576
11361 * real.c (real_arithmetic): Change return type from void to bool
11362 to return an indication that the result may be inexact.
11363 * real.h (real_arithmeric): Update prototype.
11364 * fold-const.c (const_binop): Don't constant fold floating
11365 point expressions when the user specifies -frounding-math and
11366 the result may depend upon the run-time rounding mode.
11367 (fold_convert_const_real_from_real): Clean-up.
11368 (fold_initializer): Ignore flag_rounding_math for initializers.
11369 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
11370 constant fold FP operations with flag_rounding_math if the
11371 result may depend upon the run-time rounding mode.
11373 2005-01-21 Tom Tromey <tromey@redhat.com>
11375 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
11377 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
11379 * tree-cfg.c: Fix comment typos.
11381 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
11383 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
11384 around the call to rest_of_handle_branch_target_load_optimize.
11386 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11388 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
11389 (sparc64-*-openbsd*): Likewise.
11390 (sparclite-*-elf*): Include tm-dwarf2.h.
11391 (sparc86x-*-elf*): Likewise.
11392 (sparc64-*-elf*): Likewise.
11393 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
11394 (DBX_DEBUGGING_INFO): Likewise.
11395 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
11396 (PREFERRED_DEBUGGING_TYPE): Likewise.
11397 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
11398 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
11399 (PREFERRED_DEBUGGING_TYPE): Likewise.
11400 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
11401 (PREFERRED_DEBUGGING_TYPE): Likewise.
11402 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
11404 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
11406 PR target/18701
11407 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
11409 2005-01-20 Paul Brook <paul@codesourcery.com>
11411 * doc/rtl.texi: Document value extension requirements for CONST_INT.
11413 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
11415 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
11416 label is first in a sequence of labels.
11418 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
11420 2005-01-20 Janis Johnson <janis187@us.ibm.com>
11421 Giovanni Bajo <giovannibajo@gcc.gnu.org>
11423 * doc/sourcebuild.texi (Test Directives): New.
11425 2005-01-20 Roger Sayle <roger@eyesopen.com>
11427 * real.c (real_floor): Don't leave the result uninitialized when
11428 mode is VOIDMode, but return the unrounded intermediate value.
11429 (real_ceil): Likewise.
11431 2005-01-20 Paul Brook <paul@codesourcery.com>
11433 * config/arm/arm.md (insv): Use gen_int_mode.
11435 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
11437 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
11438 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11439 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11440 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11441 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11443 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
11445 Fix PR debug/19124
11446 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
11447 fbreg, so we have to assume we can't.
11448 (loc_descriptor_from_tree_1): Ditto.
11449 (containing_function_has_frame_base): New function.
11450 (add_location_or_const_value_attribute): Use it.
11451 Also try to generate a frame_base from a single element location
11452 list.
11454 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
11456 PR tree-optimization/15349
11457 * timevar.def (TV_TREE_MERGE_PHI): New.
11458 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
11459 PHI_WANTED.
11460 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
11461 calls to tree_forwarder_block_p.
11462 (remove_forwarder_block_with_phi, merge_phi_nodes,
11463 gate_merge_phi, pass_merge_phi): New.
11464 * tree-optimize.c (init_tree_optimization_passes): Add
11465 pass_merge_phi.
11466 * tree-pass.h: Add an extern for pass_merge_phi;
11468 2005-01-20 Richard Henderson <rth@redhat.com>
11470 PR target/19418
11471 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
11472 (_mm_castps_pd, _mm_castps_si128): New.
11473 (_mm_castsi128_ps, _mm_castsi128_pd): New.
11475 2005-01-20 Richard Henderson <rth@redhat.com>
11477 PR target/19530
11478 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
11479 __builtin_ia32_vec_init_v2si.
11480 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
11481 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
11482 (ix86_init_mmx_sse_builtins): Create it.
11483 (ix86_expand_builtin): Expand it.
11484 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
11485 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
11486 (vec_extractv2si_0, vec_extractv2si_1): New.
11488 2005-01-20 Richard Henderson <rth@redhat.com>
11490 PR target/16533
11491 * config/i386/i386.c (ix86_expand_push): New.
11492 * config/i386/mmx.md (push<MMXMODE>1): New.
11493 * config/i386/sse.md (push<SSEMODE>1): New.
11494 * config/i386/i386-protos.h: Update.
11496 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
11498 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
11499 copyright.
11501 2005-01-20 Richard Henderson <rth@redhat.com>
11503 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
11504 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
11506 2005-01-19 Richard Henderson <rth@redhat.com>
11508 PR target/19350
11509 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
11510 to V4SFmode in SSE1 fallback load path.
11512 2005-01-19 Richard Henderson <rth@redhat.com>
11514 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
11515 in QImode expansion to ix86_expand_vector_set.
11516 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
11518 2005-01-19 Richard Henderson <rth@redhat.com>
11520 PR target/19511
11521 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
11522 subclass of the input class.
11523 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
11524 Always true for cross-SSE1 classes. Rationalize conditionals.
11525 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
11526 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
11527 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
11528 (movdi_2): Add MMX/SSE zeros.
11529 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
11530 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
11531 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
11532 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
11533 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
11534 (zero_extendsidi2_rex64_1): Remove.
11535 (MOV0 peephole): Check GENERAL_REG_P.
11537 2005-01-19 Richard Henderson <rth@redhat.com>
11539 PR target/19427
11540 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
11541 shufps elements.
11542 (ix86_expand_vector_extract): Likewise.
11544 2005-01-19 Richard Henderson <rth@redhat.com>
11546 PR middle-end/19304
11547 * expr.c (emit_move_change_mode): New argument force; use
11548 simplify_gen_subreg if true.
11549 (emit_move_via_alt_mode): Merge into ...
11550 (emit_move_via_integer): ... here.
11551 (emit_move_ccmode): Use emit_move_change_mode directly.
11553 2005-01-19 Richard Henderson <rth@redhat.com>
11555 PR target/19518
11556 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
11557 (alpha_preferred_reload_class): Handle CONST_VECTOR.
11558 (alpha_emit_set_const_1): Add no_output parameter; don't emit
11559 rtl if true.
11560 (alpha_emit_set_const): Likewise. Make static.
11561 (alpha_emit_set_long_const): Make static.
11562 (alpha_extract_integer): Split out from alpha_expand_mov.
11563 (alpha_split_const_mov): Likewise.
11564 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
11565 (alpha_legitimate_constant_p): New.
11566 * config/alpha/alpha-protos.h: Update.
11567 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
11568 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
11569 * config/alpha/alpha.md (movsi): Add n alternative.
11570 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
11571 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
11572 (splitters for all of the above): Use alpha_split_const_mov.
11573 * config/alpha/predicates.md (non_add_const_operand): New.
11574 (non_zero_const_operand): New.
11575 (input_operand): Use alpha_legitimate_constant_p after reload.
11577 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
11579 PR tree-optimization/19038
11580 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
11581 (add_candidate): Add ivs with increment in latch only if
11582 allow_ip_end_pos_p is true.
11583 (determine_iv_cost): Use empty_block_p.
11585 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
11587 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
11588 (compute_dominance_frontiers): Ditto.
11590 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
11592 PR target/19529
11593 * config/sh/t-rtems: New.
11594 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
11596 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
11598 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
11599 the offset of the selected field.
11601 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
11603 * tree-cfg.c (remove_forwarder_block): Fix the check to
11604 prevent a nonlocal label from appearing in the middle of a
11605 basic block.
11607 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
11609 PR rtl-optimization/19462
11610 * reorg.c (find_end_label): Create return insn only if
11611 current_function_epilogue_delay_list is empty.
11613 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
11615 * doc/passes.texi: Remove paragraph mentioning new-ra.
11617 2005-01-19 Jakub Jelinek <jakub@redhat.com>
11619 PR rtl-optimization/15139
11620 * combine.c: Include params.h.
11621 (count_rtxs): New function.
11622 (record_value_for_reg): If replace_rtx would replace at least
11623 2 occurrences of REG in VALUE and TEM is really large, replace REG with
11624 (clobber (const_int 0)) instead of TEM.
11625 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
11626 * params.h (MAX_LAST_VALUE_RTL): New.
11627 * Makefile.in (combine.o): Depend on $(PARAMS_H).
11628 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
11630 PR c/17297
11631 * c-typeck.c (digest_init): Only call build_vector if all constructor
11632 elements are *_CST nodes.
11633 * gimplify.c (gimplify_init_constructor): Likewise.
11635 PR middle-end/19164
11636 * c-typeck.c (digest_init): Only call build_vector if inside_init
11637 is a CONSTRUCTOR.
11639 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
11641 * toplev.c (init_asm_output): Remove dead #ifdef.
11643 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
11645 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
11647 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
11649 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
11650 accessing DECL_FUNCTION_CODE.
11651 * dojump.c (do_jump): Likewise.
11652 * gimplify.c (gimplify_call_expr): Likewise.
11653 * predict.c (expr_expected_value): Likewise.
11654 (strip_builtin_expect): Likewise.
11655 * tree-inline.c (estimate_num_insns_1): Likewise.
11656 * tree-ssa-loop-im.c (stmt_cost): Likewise
11657 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
11658 (tree_expr_nonnegative_p): Likewise.
11660 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
11662 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
11663 variant of the load_pcrel_sym pattern.
11664 * config/sparc/sparc.md (P macro): Move to the top.
11665 (load_pcrel_sym): Macroize using P.
11666 (save_register_window): Likewise.
11668 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
11670 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
11671 ("sordered"): Same.
11673 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11675 PR C/19472
11676 * c-typeck.c (build_asm_expr): Strip nops off
11677 input memory operands.
11679 2005-01-18 David Edelsohn <edelsohn@gnu.org>
11681 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
11682 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
11683 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
11684 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
11686 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
11688 PR target/19379
11689 * config/i386/i386.c (override_options): If the 80387 is disabled,
11690 then do not return FP values using FP registers.
11692 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
11694 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
11695 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
11696 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
11697 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
11698 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
11699 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
11700 output.h, postreload-gcse.c, postreload.c, recog.c,
11701 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
11702 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
11703 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
11704 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
11705 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
11706 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
11707 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
11708 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
11710 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
11711 config/alpha/alpha.c, config/arm/vfp.md,
11712 config/i386/emmintrin.h, config/i386/i386-modes.def,
11713 config/i386/i386-protos.h, config/i386/i386.h,
11714 config/i386/pmmintrin.h, config/i386/ppro.md,
11715 config/i386/predicates.md, config/i386/xmmintrin.h,
11716 config/i860/i860.c, config/ia64/ia64-modes.def,
11717 config/ia64/ia64-protos.h, config/ia64/ia64.h,
11718 config/ia64/ia64.md, config/ia64/itanium1.md,
11719 config/ia64/itanium2.md, config/ia64/predicates.md,
11720 config/iq2000/iq2000.h, config/mips/linux64.h,
11721 config/rs6000/aix41.h, config/rs6000/aix43.h,
11722 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
11723 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
11724 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
11725 config/sparc/linux64.h, config/sparc/litecoff.h,
11726 config/sparc/sp64-elf.h, config/sparc/sparc.c,
11727 config/sparc/sparc.h, config/sparc/sparc.md,
11728 config/sparc/sysv4-only.h: Update copyright.
11730 2005-01-18 Richard Henderson <rth@redhat.com>
11732 PR target/19496
11733 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
11735 2005-01-18 Marc Espie <espie@openbsd.org>
11736 * config/i386/openbsdelf.h: Typo.
11738 2005-01-18 Richard Henderson <rth@redhat.com>
11740 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
11741 special case for sse.
11742 * config/i386/predicates.md (sse_comparison_operator): Likewise.
11744 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
11746 * tree-inline.c (estimate_num_insns_1): Added cases for
11747 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
11749 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
11751 PR rtl-optimization/19296
11752 * combine.c (simplify_comparison): Rewrite the condition under
11753 which a non-paradoxical SUBREG of a PLUS can be lifted when
11754 compared against a constant.
11756 2005-01-18 Andi Kleen <ak@muc.de>
11758 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
11759 * c.opt (-Wpointer-sign): Add.
11760 * doc/invoke.texi: (-Wpointer-sign): Add.
11762 2005-01-18 Uros Bizjak <uros@kss-loka.si>
11764 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
11765 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
11766 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
11767 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
11768 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
11769 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
11770 for TARGET_MIX_SSE_I387.
11771 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
11772 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
11773 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
11774 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
11775 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
11776 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
11777 TARGET_MIX_SSE_I387.
11778 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
11779 from expander.
11781 2005-01-18 Uros Bizjak <uros@kss-loka.si>
11783 PR target/19424
11784 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
11785 Add movaps alternative for xmm reg->reg move.
11787 2005-01-17 Jeff Law <law@redhat.com>
11789 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
11790 at the end of the main DOM loop rather than just before DOM exits.
11792 2005-01-17 Diego Novillo <dnovillo@redhat.com>
11794 PR tree-optimization/19121
11795 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
11796 adding aliases to a name tag, also add them to the pointer's
11797 type tag.
11798 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
11799 sensitive alias info at all. Only check that the two pointers
11800 have compatible pointed-to sets.
11801 * tree-ssa.c (verify_name_tags): Verify that the alias set of
11802 a pointer's type tag is a superset of the alias set of the
11803 pointer's name tag.
11805 2005-01-17 James E Wilson <wilson@specifixinc.com>
11807 PR target/19357
11808 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
11809 comment to document why.
11811 2005-01-17 Richard Henderson <rth@redhat.com>
11813 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
11814 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11815 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11816 sse2_vmsminv2df3_finite): New.
11817 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11818 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11819 Force op1 into register.
11821 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
11823 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11824 bubblestrap from always rebuilding build directory.
11826 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
11828 * config/s390/s390.md ("*clc"): Remove incorrect '='.
11829 ("*cmpmem_short"): Likewise.
11831 2005-01-17 Steven Bosscher <stevenb@suse.de>
11833 * basic-block.h: Document BB_* flags.
11834 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11835 use an sbitmap instead.
11836 * sched-rgn.c (compute_trg_info): Likewise.
11838 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
11840 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
11841 redundant target_cpu_default and extra_parts lines. Use the default
11842 "from-abi" ISA.
11843 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11844 (SUBTARGET_EXTRA_SPECS): Delete.
11845 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
11846 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11847 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11848 and "n32" for -mabi=n32.
11850 2005-01-17 Ian Lance Taylor <ian@airs.com>
11852 PR c/5675
11853 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11854 fold constant variables into initial values.
11856 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
11858 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11860 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11861 through the statements backward.
11863 2005-01-17 Ian Lance Taylor <ian@airs.com>
11865 PR middle-end/13127:
11866 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11867 a variable set to the return value of the inlined function.
11869 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
11871 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11872 when modes are tieable.
11874 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
11876 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11877 of pthread_create to find out if threads are enabled.
11878 * gthr-posix95.h (__gthread_active_p): Likewise.
11880 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
11882 * common.opt (-fnew-ra): Remove.
11883 * ra*.*: Remove.
11884 * toplev.h (flag_new_regalloc): Remove.
11885 * Makefile.in (ra*.*): Don't mention.
11886 * passes.c (rest_of_handle_new_regalloc): Remove.
11887 (rest_of_handle_combine, rest_of_compilation): Always consider
11888 flag_new_regalloc as false.
11889 * doc/invoke.texi: Don't document -fnew-ra.
11891 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
11893 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11894 last parameter to reg_scan.
11895 * loop.c (loop_optimize): Likewise.
11896 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11897 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11898 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11899 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11900 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11901 * regclass.c (reg_scan): Likewise, for the declaration.
11902 * rtl.h (reg_scan): Likewise, for the prototype.
11904 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
11906 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11907 mark_dfs_back_edges.
11909 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
11911 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11912 (compute_avail): Uses don't go in tmp_gen.
11914 2005-01-16 Steven Bosscher <stevenb@suse.de>
11916 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11917 loop to look for a free slot in a page entry.
11919 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11921 PR target/16304
11922 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11923 * toplev.c (compile_file): Call process_pending_assemble_output_defs
11924 just before targetm.asm_out.file_end.
11925 * tree.h (process_pending_assemble_output_defs): Declare.
11926 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11927 New functions.
11928 (assemble_alias): Defer generation of assembly code for defines when
11929 TARGET_DEFERRED_OUTPUT_DEFS is true.
11930 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11931 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11932 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11934 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11936 PR target/19336
11937 * pa.c (pa_scalar_mode_supported_p): New function.
11938 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11939 * pa.h (MIN_UNITS_PER_WORD): Add comment.
11941 * pa-protos.h (prefetch_operand): Delete.
11942 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11943 * pa.c (prefetch_operand): Delete.
11944 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11945 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11946 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
11947 and prefetch_nocc_operand.
11948 * pa.md (prefetch): Rework to avoid reload problems handling short
11949 displacements when a cache control completer needs to be provided.
11950 (prefetch_32, prefetch_64): Delete.
11951 (prefetch_cc, prefetch_nocc): New patterns.
11953 2005-01-15 David Edelsohn <edelsohn@gnu.org>
11955 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11957 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11959 PR ada/19388
11960 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11961 exceeds maximum alignment for global common data.
11962 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11963 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11965 2004-01-15 Roger Sayle <roger@eyesopen.com>
11967 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11969 2004-01-15 Roger Sayle <roger@eyesopen.com>
11971 * harg-reg-set.h (reg_class_names): Prototype global array.
11972 * regclass.c (reg_class_names): Declare here and initialize to
11973 REG_CLASS_NAMES.
11974 (dump_regclass): Remove local declaration of reg_class_names.
11975 (regclass): Likewise.
11976 * cfg.c (dump_flow_info): Likewise.
11977 * ra-debug.c (reg_class_names): Likewise.
11978 * regrename.c (reg_class_names): Likewise.
11979 * reload.c (reg_class_names): Likewise.
11980 * reload1.c (spill_failure): Likewise.
11981 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11983 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
11985 * config/s390/s390.md ("reload_outti"): Remove predicate for
11986 output operand. Abort if operand is not a MEM.
11987 ("reload_outdi", "reload_outdf"): Likewise.
11989 2005-01-15 Marc Espie <espie@openbsd.org>
11991 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11992 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11993 * config/openbsd.h: Fix C++ includes for native configurations.
11994 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
11995 Add trampoline support.
11996 * config/i386/openbsdelf.h: New.
11998 2005-01-15 Marc Espie <espie@openbsd.org>
12000 * collect2.c (main): Explicitly parse -dynamic-linker option.
12002 2005-01-15 Jakub Jelinek <jakub@redhat.com>
12004 PR tree-optimization/19060
12005 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12006 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12007 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12008 and handle extract_range_from_cond returning false.
12009 * fold-const.c (fold): Optimize comparisons with min/max even for
12010 width > HOST_BITS_PER_WIDE_INT.
12012 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
12014 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12015 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12016 Remove little endian multilib variants.
12017 Add mips32 multilib variant.
12019 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
12021 * explow.c (copy_all_reg, stabilize): Remove.
12022 * expr.h: Remove the corresponding prototypes.
12024 * rtlanal.c (regs_set_between_p): Remove.
12025 * rtl.h: Remove the corresponding prototype.
12027 2005-01-14 David Edelsohn <edelsohn@gnu.org>
12029 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12030 to rs6000_nonimmediate_operand.
12031 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12032 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12033 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12034 rs6000_nonimmediate_operand.
12035 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12036 rs6000_nonimmediate_operand.
12038 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
12040 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12042 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12044 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12045 on e500v2.
12046 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12047 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12049 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12050 (rs6k_nonimmediate_operand): New.
12051 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12052 correctly.
12053 (legitimate_lo_sum_address_p): Same.
12054 (rs6000_legitimize_address): Same.
12055 (rs6000_legitimize_reload_address): Same.
12056 (rs6000_legitimate_address): Same.
12057 (spe_build_register_parallel): Pass DF and DC modes in a DI
12058 register.
12060 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12061 to rs6k_nonimmediate_operand.
12063 * config/rs6000/spe.md ("*frob_df_di"): New.
12064 ("*frob_di_df"): New.
12065 ("*frob_di_df_2"): New.
12066 ("*mov_sidf_e500_subreg0"): New.
12067 ("*mov_sidf_e500_subreg4"): New.
12068 ("*movdf_e500_double"): Change predicate to
12069 rs6k_nonimmediate_operand.
12071 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12073 * postreload.c (move2add_note_store): Only call
12074 trunc_int_for_mode on scalar integers.
12076 2005-01-14 Steven Bosscher <stevenb@suse.de>
12078 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12079 replace BB_VISITED uses.
12080 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12081 (propagate_necessity): Check the bitmap instead of BB_VISITED.
12082 (tree_dce_done): Free visited_control_parents.
12083 (perform_tree_ssa_dce): Allocate and clear it.
12084 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12085 (compute_antic): Iterate from here using a DFS. Use an sbitmap
12086 instead of BB_VISITED.
12088 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
12090 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12091 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12092 Remove unused prototypes.
12094 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12096 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12097 64-bit register usage.
12098 (spe_func_has_64bit_regs_p): Add FIXME note.
12100 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12102 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12103 flag_finite_math_only with flag_unsafe_math_optimizations.
12105 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
12107 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12108 end-of-stack check.
12109 (__tpf_eh_return): Copy TPF private stack area from the module
12110 boundary stack frame. Add check for when module addresses are
12111 equal, but no stub address is found.
12113 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
12115 PR target/7525
12116 * arm.h (struct machine_function): Add call_via field.
12117 (thumb_call_via_label): Declare.
12118 * arm.c (thumb_call_via_label): New variable.
12119 (thumb_call_reg_needed): New variable.
12120 (arm_output_function_epilogue): For Thumb code, output any per-function
12121 call-indirect trampolines.
12122 (thumb_call_via_reg): New function.
12123 (arm_file_end): New function.
12124 (TARGET_ASM_FILE_END): Call arm_file_end.
12125 (aof_file_end): Likewise.
12126 * arm-protos.h (thumb_call_via_reg): Declare.
12127 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12128 thumb_call_via_reg in normal case.
12130 2005-01-14 Jakub Jelinek <jakub@redhat.com>
12132 PR middle-end/19084
12133 PR rtl-optimization/19348
12134 * recog.c (peephole2_optimize): Do global life update if some peephole
12135 decides it doesn't need at least one of its inputs and that change
12136 influences liveness at the start of the basic block.
12138 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12139 arguments instead of 1.
12141 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
12143 PR middle-end/18820
12144 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12145 zero for nested functions needing a static chain or functions
12146 with a non-constant address.
12148 2005-01-13 Roger Sayle <roger@eyesopen.com>
12150 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12151 (and (sign_extend X) C) into (zero_extend (and X C)).
12153 2005-01-13 David O'Brien <obrien@FreeBSD.org>
12155 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
12157 2005-01-13 Richard Henderson <rth@redhat.com>
12159 PR target/19009
12160 PR target/19250
12161 PR target/19252
12162 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12163 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12164 not just TARGET_SSE.
12165 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
12166 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12167 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12168 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12169 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12170 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12171 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12172 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12173 (movdicc_c_rex64): Rename with '*'.
12174 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12175 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12176 (movsfcc_1_387): Rename from movsfcc_1.
12177 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12178 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12179 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12180 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12181 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12182 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12183 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12184 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12185 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12186 sse_movdfcc_const0_4): Remove.
12187 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12188 recognize min/max early. Update for changed sse cmove patterns.
12189 (ix86_split_sse_movcc): New.
12190 * config/i386/i386-protos.h: Update.
12192 2005-01-13 Steven Bosscher <stevenb@suse.de>
12194 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12195 (fix_stmt_v_may_defs): Likewise.
12197 2005-01-13 Richard Henderson <rth@redhat.com>
12199 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12200 for converting the mask.
12202 2005-01-13 David Edelsohn <edelsohn@gnu.org>
12204 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12205 definition to 600.
12207 2005-01-13 Richard Henderson <rth@redhat.com>
12209 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12210 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12211 IX86_BUILTIN_MOVDQ2Q): Remove.
12212 (IX86_BUILTIN_VEC_EXT_V4SI): New.
12213 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12214 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12215 shuffling.
12216 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12217 (sse2_pextrw): Fix immediate constraint.
12218 (sse2_loadq, sse2_loadq_rex64): Remove.
12219 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12220 Use __builtin_ia32_vec_ext_<size>.
12221 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12223 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
12225 * function.c (assign_parm_setup_block): Look inside original
12226 entry_parm when inspecting PARALLEL.
12228 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
12229 Joel Sherrill <joel@oarcorp.com>
12231 PR target/19399
12232 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12233 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12234 rtems_gxx_recursive_mutex_init.
12235 (__gthread_recursive_mutex_lock): New function.
12236 (__gthread_recursive_mutex_trylock): Likewise.
12237 (__gthread_recursive_mutex_unlock): Likewise.
12239 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
12241 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12243 2005-01-13 Jan Beulich <jbeulich@novell.com>
12245 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12246 (ashrti3_internal): Indicate output is early clobber. Generate result
12247 into output rather than first input. Use move for low word of output
12248 if shift count is exactly 64.
12249 (lshrti3_internal): Likewise.
12251 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
12253 PR target/18329
12254 PR target/18330
12255 * reload1.c (delete_output_reload): Don't delete an output reload
12256 if the pseudo lives longer than a single basic block. Adjust and
12257 improve wording of comment.
12259 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
12261 PR target/19334
12262 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12263 of TYPE_SIZE where we mean the number of bytes.
12265 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
12267 * function.c (assign_parm_setup_block): Relax condition on
12268 multi-register optimization.
12270 2005-01-12 Nick Clifton <nickc@redhat.com>
12272 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12273 an "in_delay_slot" attribute of "no" to prevent them being used in
12274 delay slots. This is forbidden because they might generate
12275 exceptions.
12277 2005-01-12 Alan Modra <amodra@bigpond.net.au>
12279 PR target/19389
12280 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12281 with r->Y and Y->r.
12283 2005-01-12 Nick Clifton <nickc@redhat.com>
12285 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12286 passed on to GAS) but do not define, as GAS no longer supports or
12287 needs the -m2000 option.
12289 2005-01-11 Roger Sayle <roger@eyesopen.com>
12291 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12292 type as args of unprototyped builtins aren't automatically promoted.
12293 (fold_builtin_abs): Likewise.
12295 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12297 * Makefile.in: Set a `build-warn' variable.
12299 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12301 PR tree-optimization/17949
12302 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12303 (find_interesting_uses_address): Use it.
12305 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
12307 * regrename.c (kill_value): Handle subreg's that won't simplify.
12309 2005-01-11 Richard Henderson <rth@redhat.com>
12311 PR target/13366
12312 * config/i386/i386.h (enum ix86_builtins): Move ...
12313 * config/i386/i386.c: ... here.
12314 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12315 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12316 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12317 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12318 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
12319 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12320 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12321 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12322 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12323 IX86_BUILTIN_LOADDDUP): Remove.
12324 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12325 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12326 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12327 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12328 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12329 (ix86_init_builtins): Make static.
12330 (ix86_init_mmx_sse_builtins): Update for changed builtins.
12331 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12332 if all the modes match. Otherwise, fake it.
12333 (get_element_number, ix86_expand_vec_init_builtin,
12334 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12335 (ix86_expand_builtin): Make static. Update for changed builtins.
12336 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12337 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
12338 (ix86_expand_vector_init_duplicate): New.
12339 (ix86_expand_vector_init_low_nonzero): New.
12340 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12341 Split out from ix86_expand_vector_init; handle integer modes.
12342 (ix86_expand_vector_init): Use them.
12343 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12344 * config/i386/i386-protos.h: Update.
12345 * config/i386/predicates.md (reg_or_0_operand): New.
12346 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12347 (movv2sf_internal): Likewise. And a splitter to match them all.
12348 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12349 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12350 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12351 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12352 (mmx_pinsrw): Fix operand ordering.
12353 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12354 rather than sse_loadss expander.
12355 (movv2df splitter): Similarly.
12356 (sse_loadss, sse_loadlss): Remove.
12357 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12358 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12359 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12360 (sse3_movddup): Rename with '*'.
12361 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12362 (sse2_loadsd): Remove.
12363 (vec_dupv2df_sse3): Rename from sse3_loadddup.
12364 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12365 (sse2_pinsrw): Fix argument ordering.
12366 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12367 (sse2_stored): Remove 'r' destination.
12368 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
12369 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
12370 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
12371 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
12372 vec_extractv16qi, vec_initv16qi): New.
12374 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
12375 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
12376 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
12377 constructor form.
12378 (_mm_load_pd, _mm_store_pd): Use plain dereference.
12379 (_mm_load_si128, _mm_store_si128): Likewise.
12380 (_mm_load1_pd): Use _mm_set1_pd.
12381 (_mm_load_sd): Use _mm_set_sd.
12382 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
12383 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
12384 (_mm_set_epi64): Use _mm_set_epi64x.
12385 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
12386 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
12387 _mm_setr_epi8): Use _mm_set_foo form.
12388 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
12389 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
12390 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
12391 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
12392 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
12393 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
12394 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
12395 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
12396 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
12397 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
12398 (_mm_movedup_pd): Use _mm_shuffle_pd.
12399 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
12400 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
12401 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
12402 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
12403 Use _mm_setzero_ps.
12404 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
12405 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
12406 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
12407 (_mm_store_ps): Use raw dereference.
12408 (_mm_store1_ps): Use _mm_storeu_ps.
12409 (_mm_storer_ps): Use _mm_store_ps.
12410 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
12411 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
12413 2005-01-11 Stan Shebs <shebs@apple.com>
12415 * config/rs6000/rs6000.c (machopic_output_stub): Issue
12416 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
12418 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12420 PR target/18761
12421 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
12422 Skip all DECLs except for FIELD_DECLs.
12424 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
12426 * config/s390/s390.c (override_options): Return error if
12427 -mbackchain, -mpacked-stack and -mhard-float are used together.
12428 (s390_va_start): Remove the backchain && packed-stack special case.
12429 (s390_gimplify_va_arg): Likewise.
12430 * doc/invoke.texi: Remove the ABI incompatibility note.
12432 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
12434 * config/s390/s390.c (struct s390_frame_layout): Remove
12435 save_backchain_p.
12436 (s390_frame_info, s390_emit_prologue): Replace occurrences of
12437 save_backchain_p with TARGET_BACKCHAIN.
12439 2005-01-11 Alan Modra <amodra@bigpond.net.au>
12441 PR target/18916
12442 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
12443 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
12444 * function.c (locate_and_pad_parm): Set new field.
12445 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
12446 Tweak where_pad test to include "none". Always set mem align for
12447 stack_parm.
12448 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
12449 not sufficient for type.
12450 (assign_parm_setup_block): If stack_parm is zero on entry, always
12451 make a new stack local. Block move old stack parm if necessary
12452 to new aligned stack local.
12453 (assign_parm_setup_stack): Use a block move to handle
12454 potentially misaligned entry_parm.
12455 (assign_parms_unsplit_complex): Specify required alignment when
12456 creating stack local.
12457 * calls.c (compute_argument_addresses): Override alignment of stack
12458 arg calculated from its type with the alignment given by
12459 FUNCTION_ARG_BOUNDARY.
12460 (store_one_arg): Likewise.
12462 2005-01-11 Jan Beulich <jbeulich@novell.com>
12464 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
12465 Change respective itanium_class attribute to ialu.
12466 (shladdp4_internal): New.
12467 * config/ia64/predicates.md (shladd_log2_operand): New.
12469 2005-01-11 Richard Henderson <rth@redhat.com>
12471 * expr.c (store_constructor): Use rtvec_alloc instead of
12472 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
12474 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
12476 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
12478 2005-01-11 Alan Modra <amodra@bigpond.net.au>
12480 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
12481 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
12482 (TARGET_RWRELOC): Define.
12483 (ia64_rwreloc_section_type_flags): Delete.
12484 (ia64_section_type_flags): New function.
12485 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
12486 (TARGET_RWRELOC): Define.
12488 2005-01-10 David Mosberger <davidm@hpl.hp.com>
12490 PR target/18987
12491 * config/ia64/ia64.c (process_set): For alloc insn, only call
12492 process_epilogue is !frame_pointer_needed.
12494 2005-01-10 Roger Sayle <roger@eyesopen.com>
12496 PR c++/19355
12497 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
12498 unary operator and can't be treated as a binary/comparison operator.
12500 2005-01-10 Richard Henderson <rth@redhat.com>
12502 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
12503 (ix86_return_in_memory): Likewise.
12504 (function_arg_advance): Likewise. Mirror structure in function_arg
12505 for choosing register to advance.
12507 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
12509 * tree-vectorizer.c, tree.def: Fix comment typos.
12511 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
12513 * config/s390/s390.c (struct processor_costs): 4 new fields:
12514 ddbr, ddr, debr, der.
12515 (s390_rtx_costs): More precise handling of divide instructions.
12517 2005-01-10 David Edelsohn <edelsohn@gnu.org>
12519 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
12521 2005-01-10 Jan Beulich <jbeulich@novell.com>
12523 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
12524 names resulting from -ffunction-sections/-fdata-sections and linkonce
12525 ones.
12526 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
12527 based on the section name. Rearrange the section name comparison logic
12528 slightly so that each section name is compared against at most once.
12530 2005-01-10 Ben Elliston <bje@au.ibm.com>
12532 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
12533 targets for which -fPIC reduces limitations on the GOT size.
12535 2005-01-09 Falk Hueffner <falk@debian.org>
12537 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
12538 X/C1 cmpop C2.
12540 2005-01-09 David Edelsohn <edelsohn@gnu.org>
12542 PR target/18720
12543 * collect2.c (main): Set aixrtl_flag for -brtl option.
12544 (resolve_lib_name): Search for .so file extension before .a
12545 if aixrtl_flag set.
12547 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
12549 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
12550 (vect_analyze_data_refs_alignment): Add dump prints.
12552 2005-01-09 Ira Rosen <irar@il.ibm.com>
12554 * tree-vectorizer.c (vect_analyze_offset_expr): Use
12555 expr_invariant_in_loop_p.
12556 Initialize outputs first thing in the function.
12557 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
12558 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
12559 (vect_analyze_pointer_ref_access): Check that the initial condition of
12560 the access function is loop invariant.
12562 2005-01-09 Richard Henderson <rth@redhat.com>
12564 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
12565 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
12566 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
12567 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
12568 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
12569 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
12570 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
12571 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
12572 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
12573 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
12574 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
12575 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
12576 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
12577 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
12578 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
12579 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
12580 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
12581 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
12582 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
12583 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
12584 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
12585 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
12586 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
12587 mmx_ prefix.
12588 (mmx_clrdi, pavgusb): Remove.
12589 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
12590 with leading sse_ prefix.
12591 * config/i386/sse.md: Receive them.
12592 * config/i386/mmx.md: New file.
12593 (MMXMODE12, MMXMODE24, mmxvecsize): New.
12594 (subrv2sf3): Turn into expander for normal subtraction.
12595 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
12596 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
12597 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
12598 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
12599 commutative; use ix86_binary_operator_ok.
12600 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
12601 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
12602 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
12603 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
12604 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
12605 Macroize from existing patterns; use ix86_binary_operator_ok.
12606 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
12607 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
12608 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
12609 with vec_select+vec_concat.
12610 (mmx_pshufw, mmx_pshufw_1): Likewise.
12611 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
12612 (mmx_uavgv4hi3): Model correctly.
12613 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
12614 _mm_xor_si64): Remove casts.
12616 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
12618 PR tree-optimization/19224
12619 * tree-scalar-evolution.c (get_instantiated_value,
12620 set_instantiated_value): New functions.
12621 (instantiate_parameters_1): Cache the results.
12622 (instantiate_parameters, resolve_mixers): Initialize and free
12623 the cache.
12625 2005-01-08 David Edelsohn <edelsohn@gnu.org>
12627 * config/i386/i386.md (addhi_4): Correct reference in comment.
12628 (addqi_4): Same.
12630 2005-01-08 Richard Henderson <rth@redhat.com>
12632 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
12633 (_mm_cvtsi128_si64x): Likewise.
12634 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
12635 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
12636 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
12637 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
12638 * config/i386/i386-protos.h: Update.
12639 * config/i386/i386.c (print_operand): Add 'H'.
12640 (ix86_fixup_binary_operands): Split out from ...
12641 (ix86_expand_binary_operator): ... here.
12642 (ix86_fixup_binary_operands_no_copy): New.
12643 (ix86_expand_fp_absneg_operator): Handle vector mode results.
12644 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
12645 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
12646 (safe_vector_operand): Use CONST0_RTX.
12647 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
12648 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
12649 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
12650 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
12651 special cases.
12652 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
12653 (IX86_BUILTIN_CMPNGESS): New.
12654 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
12655 (attr type): Add sselog1.
12656 (attr unit, attr memory): Handle it.
12657 (movti, movti_internal, movti_rex64): Move near other integer moves.
12658 (movtf, movtf_internal): Move near other fp moves.
12659 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
12660 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
12661 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
12662 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
12663 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
12664 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
12665 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
12666 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
12667 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
12668 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
12669 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
12670 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
12671 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
12672 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
12673 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
12674 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
12675 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
12676 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
12677 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
12678 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
12679 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
12680 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
12681 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
12682 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
12683 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
12684 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
12685 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
12686 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
12687 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
12688 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
12689 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
12690 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
12691 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
12692 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
12693 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
12694 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
12695 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
12696 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
12697 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
12698 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
12699 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
12700 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
12701 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
12702 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
12703 same time.
12704 (SSEPUSH, push<SSEPUSH>): Remove.
12705 (MMXPUSH, push<MMXPUSH>): Remove.
12706 (sse_movaps, sse_movaps_1, sse_movups): Remove.
12707 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
12708 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
12709 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
12710 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
12711 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
12712 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
12713 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
12714 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
12715 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
12716 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
12717 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
12718 (ppro_sse_log_V4SF): Handle sselog1.
12719 * config/i386/predicates.md (const_0_to_1_operand): New.
12720 (const_0_to_255_mul_8_operand): New.
12721 (const_1_to_31_operand): Rename from const_int_1_31_operand.
12722 (const_2_to_3_operand, const_4_to_7_operand): New.
12723 * config/i386/sse.md: New file.
12724 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
12725 (sse_movups): Rename from sse_movups_1.
12726 (sse_loadlss): Rename from sse_loadss_1.
12727 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
12728 from the name.
12729 (negv4sf2): Use ix86_expand_fp_absneg_operator.
12730 (absv4sf2, negv2df, absv2df): New.
12731 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
12732 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
12733 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
12734 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
12735 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
12736 (sse3_addsubv4sf3): Model correctly.
12737 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
12738 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
12739 (sse_movhlps): Model with vec_select+vec_concat.
12740 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
12741 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
12742 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
12743 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
12744 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
12745 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
12746 sse2_pshufhw_1): Likewise.
12747 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
12748 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
12749 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
12750 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
12751 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
12752 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
12753 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
12754 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
12755 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
12756 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
12757 sminv8hi3): Mark commutative
12758 operands. Use ix86_binary_operator_ok.
12759 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
12760 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
12761 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
12762 sse2_punpcklqdq): Allow operand2 in memory.
12763 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
12764 sse2_movsd): Add memory alternatives.
12765 (sse_storelps): Turn expander into an insn; split after reload.
12766 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
12767 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
12769 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
12771 * configure.ac (DWARF-2 debug_line): Use objdump.
12772 * configure: Regenerate.
12774 2005-01-08 Jeff Law <law@redhat.com>
12775 Diego Novillo <dnovillo@redhat.com>
12777 PR tree-optimization/18241
12778 * tree-nrv.c (tree_nrv): Ignore volatile return values.
12779 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
12780 statements with volatile operands.
12781 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
12782 operands after marking a statement with has_volatile_ops.
12784 2005-01-08 Roger Sayle <roger@eyesopen.com>
12786 * tree.c (int_fits_type_p): Always honor integer constant
12787 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
12789 2005-01-08 Roger Sayle <roger@eyesopen.com>
12791 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
12792 the latent bug in rtl_delete_block has been resolved.
12794 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
12796 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
12797 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
12799 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
12801 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
12802 library as @multilib_dir@/$(SHLIB_SONAME).
12804 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12806 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
12807 * configure: Regenerate.
12809 2005-01-07 Jakub Jelinek <jakub@redhat.com>
12811 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
12812 TYPE_MODE.
12814 2005-01-07 David Edelsohn <edelsohn@gnu.org>
12816 PR target/13674
12817 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12818 Convert non-word aligned offset address using ld/std into
12819 indirect address.
12821 2005-01-07 Richard Henderson <rth@redhat.com>
12823 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12825 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
12827 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12829 2005-01-07 Jakub Jelinek <jakub@redhat.com>
12831 PR tree-optimization/19283
12832 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12833 is not shorter than the original type.
12835 PR rtl-optimization/19012
12836 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12838 PR rtl-optimization/18861
12839 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12840 (FULL_STATE): Define.
12841 (mark_tablejump_edge): New function.
12842 (purge_dead_tablejump_edges): New function.
12843 (find_bb_boundaries): Use it.
12845 PR tree-optimization/18828
12846 * builtins.c (expand_builtin_next_arg): Remove argument and all
12847 the argument checking.
12848 (expand_builtin): Adjust caller.
12849 (expand_builtin_va_start): Likewise. Remove error for too many
12850 arguments.
12851 (fold_builtin_next_arg): Issue error for too many arguments.
12852 After checking arguments, replace them with magic arguments that
12853 prevent further checking of the args.
12855 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12857 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12859 2005-01-06 Roger Sayle <roger@eyesopen.com>
12861 PR target/6077
12862 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12863 and %{.S:...} (and their negative variants) to test whether the
12864 input file is assembler or pre-processed-assembler independent of
12865 the actual filename extension.
12867 2005-01-06 Roger Sayle <roger@eyesopen.com>
12869 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12870 of sign or zero extended values.
12872 2005-01-06 Geoffrey Keating <geoffk@apple.com>
12874 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12875 for IBM long double format correctly.
12877 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
12879 Fix PR tree-optimization/18792
12881 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12882 to first_loop_depth, and use loop depth instead of loop number.
12883 (build_classic_dir_vector): Ditto.
12884 (compute_data_dependences_for_loop): Use depth, not loop number.
12885 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12886 number. Pass in loops, instead of loop numbers.
12887 (gather_interchange_stats): Ditto.
12888 (linear_transform_loops): Ditto.
12890 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
12892 PR rtl-opt/13299
12893 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12894 biv_fits_mode_p, extension_within_bounds_p): New functions.
12895 (check_ext_dependent_givs): Use them.
12897 2005-01-06 Roger Sayle <roger@eyesopen.com>
12899 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12900 more than one barrier, in which case we should delete them all.
12902 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
12904 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12906 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
12908 Fix PR middle-end/19286
12909 Fix PR debug/19267
12910 * dwarf2out.c (gen_subprogram_die): If we've already tried to
12911 output this subprogram, simply ignore this attempt to do it again.
12912 (add_abstract_origin_attribute): Don't abort trying to add the abstract
12913 origin attribute if it's not possible.
12914 (gen_block_die): Don't ignore subblocks of "unused" blocks.
12915 (decls_for_scope): Ditto.
12916 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12917 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12919 2005-01-05 Richard Henderson <rth@redhat.com>
12921 PR target/11327
12922 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12923 (bdesc_2arg): Use it.
12924 (ix86_expand_binop_builtin): Force operands into registers
12925 when optimizing.
12926 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12927 ix86_expand_sse_compare, ix86_expand_sse_comi,
12928 ix86_expand_builtin): Likewise.
12930 2005-01-05 Richard Henderson <rth@redhat.com>
12932 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12933 and VEC_SELECT.
12934 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12935 (mulv4hi3): Set itanium_class mmmul.
12936 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12937 (fpack): Rename from fpack_sfsf.
12939 2005-01-05 Richard Henderson <rth@redhat.com>
12941 PR rtl-opt/10692
12942 * reload1.c (do_input_reload): Restrict the optimization deleteing
12943 a previous output reload to RELOAD_FOR_INPUT.
12945 2005-01-05 Steven Bosscher <stevenb@suse.de>
12947 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
12948 comment that we fall through after case.
12949 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12950 (distribute_links): Likewise.
12951 * cse.c (cse_insn): Likewise.
12952 * cselib.c (cselib_invalidate_mem): Likewise.
12953 * df.c: Update comments at the top of the file.
12954 (read_modify_subreg_p): Update comments here too.
12955 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12956 * flow.c (mark_set_1): Likewise.
12957 (mark_used_regs): Likewise.
12958 * gcse.c (mems_conflict_for_gcse_p): Likewise.
12959 (canon_list_insert): Likewise.
12960 (mark_set): Likewise.
12961 (try_replace_reg): Likewise.
12962 (store_killed_in_insn): Likewise.
12963 * loop.c (count_one_set): Likewise.
12964 (basic_induction_var): Likewise.
12965 * postreload-gcse.c (find_mem_conflicts): Likewise.
12966 * postreload.c (reload_combine_note_store): Likewise.
12967 (move2add_note_store): Likewise.
12968 * reload.c (find_equiv_reg): Likewise.
12969 (mark_referenced_resources): Likewise.
12970 * rtlanal.c (set_noop_p): Likewise.
12971 (note_stores): Likewise.
12972 (note_uses): Likewise.
12973 * sched-deps.c (sched_analyze_1): Likewise.
12974 * sched-rgn.c (check_live_1): Likewise.
12975 (update_live_1): Likewise.
12976 * config/i860/i860.c: Likewise.
12978 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12979 an lvalue.
12980 (ZERO_EXTRACT): Mention that this one can be an lvalue.
12982 * doc/rtl.texi: Update documentation for bit-fields and SET.
12984 2005-01-05 Roger Sayle <roger@eyesopen.com>
12986 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12988 2005-01-05 Jan Hubicka <jh@suse.cz>
12989 Richard Henderson <rth@redhat.com>
12991 PR target/18910
12992 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12993 with an offset.
12995 2005-01-05 Richard Henderson <rth@redhat.com>
12997 PR target/12902
12998 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12999 (sse_shufps): Change operand 3 to const_int_operand.
13000 (sse2_storelps): Fix typo in template.
13001 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13002 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13003 (ix86_expand_builtin): Likewise.
13005 2005-01-05 Julian Brown <julian@codesourcery.com>
13007 * config/arm/arm.c (arm_return_in_memory): Treat complex types
13008 as aggregates for AAPCS ABIs.
13010 2005-01-05 Stan Shebs <shebs@apple.com>
13012 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13013 Mach-O getters if ppc64.
13014 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13015 size argument.
13016 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13017 signed four-byte field for global code case.
13018 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13020 2005-01-05 Roger Sayle <roger@eyesopen.com>
13022 PR middle-end/19100
13023 * c-common.c: Include real.h.
13024 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13025 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13026 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13027 * Makefile.in (c-common.o): Update dependencies.
13029 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
13031 * c-parse.in (asm_string): Add trailing semicolon.
13033 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
13035 * c-parse.in (asm_string): New. Don't allow wide strings in
13036 'asm'.
13037 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13038 asm_string instead of STRING.
13040 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
13042 * c-typeck.c (constructor_no_implicit): Remove.
13043 (set_designator, process_init_element): Don't check
13044 constructor_no_implicit.
13046 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
13047 Kaz Kojima <kkojima@gcc.gnu.org>
13049 PR target/16482
13050 * lcm.c (create_pre_exit): New.
13051 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13052 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
13054 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
13056 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13057 -msoft-float in target_float_switch.
13058 * arm.c (arm_override_options): Fix processing of target_float_switch.
13060 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
13062 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13063 preferencing.
13065 2004-01-05 Uros Bizjak <uros@kss-loka.si>
13067 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13068 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13070 2005-01-04 Roger Sayle <roger@eyesopen.com>
13072 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13073 if deleting the then-block allows the test-block to fallthru to the
13074 else-block.
13076 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
13078 PR c/19152
13079 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13080 after the full declaration if the are in two different TUs.
13082 2005-01-04 Richard Henderson <rth@redhat.com>
13084 PR tree-opt/19158
13085 * tree-sra.c (generate_one_element_init): Just
13086 call gimplify_and_add.
13087 (generate_element_init): Record the
13088 new referenced variables and mark them for renaming
13089 and split out to ...
13090 (generate_element_init_1): This.
13091 (scalarize_init): Don't call push_gimplify_context/
13092 pop_gimplify_context.
13094 2005-01-04 Geoffrey Keating <geoffk@apple.com>
13096 * toplev.c (get_src_pwd): Handle failure of getpwd().
13098 2005-01-04 Roger Sayle <roger@eyesopen.com>
13100 * fold-const.c (fold_single_bit_test): Delete unreachable handling
13101 of TRUTH_NOT_EXPR.
13102 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13103 all the cases handled by it are inverted by invert_truthvalue.
13105 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
13107 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13108 (save_register_windowsi): Likewise.
13110 2005-01-04 Richard Henderson <rth@redhat.com>
13112 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13114 2005-01-04 Uros Bizjak <uros@kss-loka.si>
13116 PR middle-end/17767
13117 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13118 any simplifications of vector mode comparison operators.
13119 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13121 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
13122 Devang Patel <dpatel@apple.com>
13124 PR tree-optimization/18308
13125 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13126 the operands before creating a new expression.
13127 * dojump.c (do_jump): Make drop_through_label available
13128 for all cases. Add expansion of COND_EXPR.
13130 2005-01-04 Ira Rosen <irar@il.ibm.com>
13132 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13133 INTEGER_CST instead of TREE_CONSTANT.
13134 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13135 instead of TREE_CONSTANT.
13136 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13137 instead of TREE_CONSTANT.
13139 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
13141 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13143 2005-01-04 Uros Bizjak <uros@kss-loka.si>
13145 PR target/19240
13146 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13147 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13149 2005-01-03 Richard Henderson <rth@redhat.com>
13151 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13152 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13153 fold_convert_const_real_from_real): Split out from ...
13154 (fold_convert_const): ... here.
13156 2005-01-03 Richard Henderson <rth@redhat.com>
13158 PR target/19235
13159 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13160 (mov<MMXMODEI>_internal): Likewise.
13161 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13162 Add V2SF case; use it for SSE1; don't use TI.
13163 (movdf_integer): Likewise.
13164 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13166 2005-01-03 Ira Rosen <irar@il.ibm.com>
13168 * tree-vectorizer.c (vect_strip_conversions): New function.
13169 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13170 check for binary class.
13172 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
13174 Fix PR debug/17924
13175 Fix PR debug/19191
13176 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13177 is a decl.
13178 * gimple-low.c (mark_blocks_with_used_vars): New function.
13179 (mark_blocks_with_used_subblocks): Ditto.
13180 (mark_used_blocks): Ditto.
13181 (pass_mark_used_blocks): New pass.
13182 * tree-inline.c: Include debug.h.
13183 (expand_call_inline): Call outlining_inline_function here.
13184 * tree-optimize.c (init_tree_optimization_passes): Add
13185 pass_mark_used_blocks.
13186 * tree-pass.h (pass_mark_used_blocks): New.
13187 * Makefile.in (tree-inline.o): Add debug.h dependency.
13189 2005-01-03 Geoffrey Keating <geoffk@apple.com>
13191 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13192 VAR_DECLs to have weak_import attribute.
13194 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13195 'struct ucontext'.
13197 2004-01-03 Steven Bosscher <stevenb@suse.de>
13199 * passes.c (rest_of_compilation): Don't run regmove if only
13200 flag_expensive_optimizations, require flag_regmove instead.
13202 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
13204 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13205 register "sparc".
13206 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13207 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13208 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13209 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13211 2005-01-03 Richard Henderson <rth@redhat.com>
13213 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13214 (ia64_const_ok_for_letter_p): New.
13215 (ia64_const_double_ok_for_letter_p): New.
13216 (ia64_extra_constraint): New.
13217 (ia64_expand_vecint_compare): New.
13218 (ia64_expand_vcondu_v2si): New.
13219 (ia64_expand_vecint_cmov): New.
13220 (ia64_expand_vecint_minmax): New.
13221 (ia64_print_operand): Add 'v'.
13222 (ia64_preferred_reload_class): New.
13223 (ia64_vector_mode_supported_p): New.
13224 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13225 (PREFERRED_RELOAD_CLASS): Move to function.
13226 (CONST_OK_FOR_LETTER_P): Move to function.
13227 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13228 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13229 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13230 (EXTRA_CONSTRAINT): Move to function.
13231 * config/ia64/ia64.md: Include vect.md.
13232 (itanium_class): Add mmalua.
13233 (type): Handle it.
13234 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
13235 (1b_mmalua): New.
13236 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13237 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13238 CONST0_RTX.
13239 (const_int_2bit_operand): New.
13240 (fr_reg_or_0_operand): New.
13241 * config/ia64/ia64-modes.def: Add vector modes.
13242 * config/ia64/ia64-protos.h: Update.
13243 * config/ia64/vect.md: New file.
13245 2005-01-03 Richard Henderson <rth@redhat.com>
13247 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13249 2005-01-03 Uros Bizjak <uros@kss-loka.si>
13251 PR target/19236
13252 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13253 to SFmode.
13254 (log1pdf2): Change mode of operands[0,1] to DFmode.
13256 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
13258 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13259 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13260 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13261 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13262 SPARC_RELAXED_ORDERING.
13264 2005-01-03 Richard Henderson <rth@redhat.com>
13265 Uros Bizjak <uros@kss-loka.si>
13267 PR target/14631
13268 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13269 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13270 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13271 handling.
13272 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13273 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13274 const_pow2_1_to_128_operand): New predicates.
13276 2005-01-02 Greg McGary <greg@mcgary.org>
13278 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13279 anonymous decls.
13280 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13281 object. [ptr_type]: Remove unused variable.
13282 Remember nearest addressable array-element or record-component
13283 when checking bitfield components. Tolerate empty BIND_EXPR.
13285 2005-01-01 Richard Henderson <rth@redhat.com>
13287 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13288 that don't narrow the value. Fail for other conversions.
13290 2005-01-01 Richard Henderson <rth@redhat.com>
13292 PR c/19031
13293 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13294 * c-lang.c (finish_file): Don't do it here.
13295 * objc/objc-act.c (objc_finish_file): Likewise.
13297 * cgraph.c (decl_assembler_name_equal): New.
13298 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13299 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13300 * cgraph.h (struct cgraph_varpool_node): Add next.
13301 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13302 * varasm.c (assemble_alias): Mark the target as needed.
13304 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
13306 PR middle-end/19221
13307 * function.c (get_arg_pointer_save_area): Use entry_of_function
13308 instead of get_insns.
13310 2005-01-01 Roger Sayle <roger@eyesopen.com>
13311 Andrew Pinski <pinskia@physics.uc.edu>
13312 James E. Wilson <wilson@specifixinc.com>
13314 PR rtl-optimization/12092
13315 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13316 is zero.
13318 2005-01-01 Roger Sayle <roger@eyesopen.com>
13319 Olivier Hainque <hainque@act-europe.fr>
13321 * tree.c (int_fits_type_p): A narrower type always fits in a
13322 wider one, except for negative values into unsigned types.
13324 2005-01-01 Roger Sayle <roger@eyesopen.com>
13326 * tree.c (int_fits_type_p): Compare the result of force_fit_type
13327 with the original constant rather than require TREE_OVERFLOW.
13329 2005-01-01 Steven Bosscher <stevenb@suse.de>
13331 PR middle-end/17544
13332 * c-decl.c (finish_function): If compiling C99, annotate the
13333 compiler generated return with the current file name and line 0.
13334 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13335 the source line is greater than 0.
13336 (remove_bb): Likewise.