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* var-tracking.c (vt_find_locations): Set the in_pending bitmap at
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
2
3         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
4         once.
5
6 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
7
8         * c-common.c (vector_types_convertible_p): Use vector types'
9         TYPE_SIZE and TREE_TYPE instead of their mode.
10         * convert.c (convert_to_integer): Likewise.
11         (convert_to_vector): Likewise.
12         * fold-const.c (fold_convert): Likewise.
13         * varasm.c (output_constant): Likewise.
14         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
15         Allow a VECTOR_TYPE initializer to be made of several vectors.
16         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
17         of cleared and need_to_clear, and use fold_convert.
18         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
19         integer vectors.
20
21 2004-07-20  Richard Henderson  <rth@redhat.com>
22
23         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
24         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
25
26 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
27
28         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
29         enormous cost if not TARGET_HARD_MUL.
30
31 2004-07-20  Andrew Pinski  <apinski@apple.com>
32
33         PR target/16557
34         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
35         (ASM_SPEC): here.
36
37 2004-07-21  Paul brook  <paul@codesourcery.com>
38
39         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
40
41 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
42
43         * fold-const.c (operand_equal_p): Temporarily support NULL args.
44         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
45         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
46
47 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
48
49         * rtl.h (plus_constant): Delete.
50         (plus_constant_wide): Rename to plus_constant.
51         (plus_constant_for_output_wide): Delete vestigial prototype.
52         (GEN_INT): Remove unnecessary cast.
53         * tree.h (build_int_2, size_int_type): Delete.
54         (build_int_2_wide): Rename to build_int_2.
55         (size_int_wide): Rename to size_int_kind.
56         (size_int_type_wide): Rename to size_int_type.
57         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
58         Remove unnecessary cast.
59         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
60         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
61         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
62         (size_int_type_wide): Rename size_int_type.
63         (int_const_binop): Use size_int_type.
64         * c-lex.c (interpret_integer): Use build_int_2.
65         * final.c (split_double): Remove unnecessary casts.
66         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
67
68 2004-07-20  Richard Henderson  <rth@redhat.com>
69
70         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
71         (gimplify_compound_lval): Use is_gimple_tmp_reg.
72         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
73         (is_gimple_tmp_reg): New.
74         * tree-gimple.h (is_gimple_tmp_reg): Declare.
75
76 2004-07-20  Richard Henderson  <rth@redhat.com>
77
78         * tree-pretty-print.c (dump_generic_node): Dump
79         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
80
81 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
82
83         * tree-mudflap.c (mf_set_options_fndecl): New tree.
84         (mudflap_init): Set it.
85         (mudflap_register_call): Remove __mf_init call.
86         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
87         to pass "-ignore-reads" option to libmudflap if needed.
88
89 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
90
91         PR c++/14607
92         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
93         (MAKE_DECL_ONE_ONLY): Undefine.
94         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
95         readonly_data, one_only_data_section, forget_section): New prototypes.
96         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
97         functions.
98         (pa_select_section): Add one-only (COMDAT) support.
99         * pa.h (struct machine_function): Define.
100         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
101         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
102         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
103         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
104         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
105         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
106         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
107         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
108         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
109         for EXTRA_SECTION_FUNCTIONS.
110         * doc/install.texi: Update binutils requirements.
111
112 >>>>>>> 2.4622
113 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
114
115         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
116         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
117         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
118         size_t.
119         (struct VEC): Use unsigned for num and alloc.
120         * vec.c (struct vec_prefix): Likewise.
121         (vec_o_reserve): Adjust.
122
123         * dbxout.c (dbxout_type): Fix printf format.
124
125         * tree.h (binfo_member): Remove.
126         * tree.c (binfo_member): Remove.
127
128 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
129
130         * tree.h: Include vec.h
131         (DEF_VEC_P(tree)): New type.
132         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
133         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
134         (BINFO_LANG_SLOT): Remove.
135         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
136         (struct tree_binfo): Turn base_binfos into a trailing
137         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
138         (binfo_lang_slots): Remove.
139         * tree.c (binfo_lang_slots): Remove.
140         (make_tree_binfo_stat): Take a base binfo count, not a
141         lang slot count.  Adjust.
142         * Makefile.in (TREE_H): Add vec.h
143         * alias.c (record_component_aliases): Adjust BINFO access.
144         * dbxout.c (dbxout_type): Likewise.
145         * dwarf2out.c (gen_member_die): Likewise.
146         * sdbout.c (sdbout_one_type): Likewise.
147         * tree-dump.c (deque_and_dump): Likewise.
148         * config/i386/i386.c (classify_argument,
149         contains_128bit_aligned_vector_p): Likewise.
150         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
151         * doc/c-tree.texi (Classes): Update BINFO documentation.
152
153 2004-07-20  Steven Bosscher  <stevenb@suse.de>
154
155         * c-common.h (check_case_value): Remove prototype.
156         (c_add_case_label): Adjust prototype.
157         * c-common.c (check_case_value): Make static.
158         (check_case_bounds): New function.
159         (c_add_case_label): Use it.  Take new argument orig_type.
160         * c-typeck.c (struct c_switch): New orig_type field.
161         (c_start_case): Set it.
162         (do_case): Pass it to c_add_case_label.
163         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
164         cases from here.  Add the labels in reverse order.
165         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
166         (add_case_node): Return nothing, don't check for duplicate cases.
167         Insert new case nodes in a list, not in an AVL tree.
168         (expand_end_case_type): Don't turn a case tree into a case list.
169         (case_tree2list): Remove.
170         * tree.h (add_case_node): Adjust prototype.
171
172 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
173
174         * genattr.c (struct range, struct function_unit,
175         write_units, extend_range, init_range): Remove them.
176         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
177         Output "#define INSN_SCHEDULING" here.
178         * genattrtab.c (struct range, struct function_unit_op,
179         struct function_unit, struct dimension, enum operator,
180         operate_exp, expand_units, simplify_knowing,
181         encode_units_mask, simplify_by_exploding,
182         find_and_mark_used_attributes, unmark_used_attributes,
183         add_values_to_cover, increment_current_value,
184         test_for_current_value, simplify_with_current_value,
185         simplify_with_current_value_aux, gen_unit,
186         write_unit_name, write_function_unit_info,
187         write_complex_function, write_toplevel_expr,
188         find_single_value, extend_range): Remove.
189         (write_attr_get): Do not handle common_av->value
190         being an FFS.
191         (struct attr_desc): Remove func_units_p and blockage_p.
192         (write_attr_valueq): Do not handle them.
193         (find_attr): Do not clear them.
194         (make_internal_attr): Do not initialize them.
195         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
196         * sched-vis.c (init_target_units, insn_print_units,
197         init_block_visualization, print_block_visualization,
198         visualize_scheduled_insns, visualize_no_unit,
199         visualize_stall_cycles, visualize_alloc,
200         visualize_free, target_units, get_visual_tbl_length,
201         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
202         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
203         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
204         * haifa-sched.c (blockage_range, clear_units,
205         schedule_unit, actual_hazard, potential_hazard,
206         insn_unit, unit_last_insn, unit_tick,
207         actual_hazard_this_instance, potential_hazard,
208         schedule_unit, max_insn_queue_index_value): Remove.
209         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
210         max_insn_queue_index.
211         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
212         * doc/md.texi (Processor pipeline description): Remove
213         references to old pipeline descriptions.
214         (Automaton pipeline description): Merge with the above.
215         (Old pipeline description, Comparison of the two descriptions):
216         Remove.
217
218         * bt-load.c (migrate_btr_def): Remove references to
219         use_pipeline_interface.
220         * haifa-sched.c (insn_cost, schedule_insn,
221         schedule_block, advance_one_cycle, sched_init,
222         queue_to_ready, sched_finish): Likewise.
223         * modulo-sched.c (sms_schedule, advance_one_cycle,
224         ps_has_conflicts): Likewise.
225         * sched-rgn.c (init_ready): Likewise.
226         (debug_dependencies): Likewise, and remove an "if (1)".
227         * target.h (use_dfa_pipeline_interface): Remove.
228         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
229         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
230         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
231         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
232         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
233         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
234         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
235         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
236         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
237         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
238         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
239         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
240         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
241         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
242         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
243         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
244         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
245         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
246         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
247
248 2004-07-19  Roger Sayle  <roger@eyesopen.com>
249
250         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
251
252 2004-07-19  Jeff Law  <law@redhat.com>
253
254         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
255         (get_eq_expr_value): Use it.  Simplify slightly.
256
257 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
258
259         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
260         (umulsidi3_32bit_r4000): Likewise.
261
262 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
263
264         * vec.h: Propagate location information properly.
265         (VEC_T_iterate): Add result pointer parameter.
266         (VEC_T_space): New.
267         (VEC_T_reserve): Use it.
268
269 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
270
271         * Makefile.in (c-format.o): Depend on c-format.h.
272         * c-format.h: New file.
273         (struct format_char_info): Add CHAIN member.
274         * c-format.c: Move some types and constants to c-format.h.
275         (format_type_error): Set to -1.
276         (struct function_format_info): Use an int for format_type.
277         (decode_format_type): Return an int.  Return format_type_error
278         on error.
279         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
280         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
281         (scan_char_table, time_char_table, monetary_char_table): Initialize
282         CHAIN to NULL.
283         (n_format_types): New variable.
284         (check_format_info_main): Handle CHAIN in format_char_info.
285         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
286         TARGET_N_FORMAT_TYPES.
287         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
288         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
289         * config/sol2-c.c: New file.
290         * config/t-sol2: New file.
291         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
292         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
293         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
294
295         * doc/extend.texi (Target Format Checks): New section.
296         (Function Attributes): Mention it.
297         * doc/invoke.texi: Mention target format checks.
298         * doc/sourcebuild.texi: Mention target format checks.
299         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
300         TARGET_FORMAT_TYPES.
301
302 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
303
304         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
305         added.
306         * config/s390/s390.c (regclass_map initializer): Register 35 added to
307         ADDR_REGS.
308         (load_multiple_operation, store_multiple_operation): Removed
309         pointless sanity check.
310         (s390_decompose_address): Added check for return_address_pointer_rtx.
311         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
312         (s390_return_address_offset): New function.
313         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
314         (FRAME_REGNO_P): Added check for register 35.
315         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
316         REG_ALLOC_ORDER): Appended entry for register 35.
317         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
318         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
319         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
320         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
321         is eliminable using stack pointer or hard frame pointer.
322         (REGISTER_NAMES): Added name for register 35.
323         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
324         pointless sanity check.
325
326 2004-07-19  Roger Sayle  <roger@eyesopen.com>
327
328         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
329         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
330         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
331         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
332         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
333         (fold_relational_const): Tidy up handling of floating point
334         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
335         transformation; fold_relational_const assumes constant operands.
336
337 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
338
339         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
340         directory.
341
342 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
343
344         * c-tree.h (struct c_expr): Define.
345         (C_SET_EXP_ORIGINAL_CODE): Remove.
346         (parser_build_binary_op, build_compound_expr): Update prototypes.
347         * c-parse.in (%union): Add exprtype.
348         (FUNC_NAME): Mark as ttype.
349         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
350         exprtype.
351         (expr): Update.  Define directly in terms of expr_no_commas
352         instead of using nonnull_exprlist.
353         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
354         offsetof_member_designator, typespec_nonreserved_nonattr, init,
355         initval, designator, component_declarator,
356         component_notype_declarator, enumerator, array_declarator,
357         condition, exexpr, switch_statement, stmt_nocomp, stmt,
358         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
359         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
360         where appropriate.
361         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
362         * c-common.c (c_common_truthvalue_conversion): Don't check
363         C_EXP_ORIGINAL_CODE.
364         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
365         Don't use C_EXP_ORIGINAL_CODE.
366         (default_conversion, default_function_array_conversion): Don't use
367         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
368         (internal_build_compound_expr): Merge into build_compound_expr.
369         (build_compound_expr): Take two operands instead of a TREE_LIST.
370         * objc/objc-act.c (get_super_receiver): Update calls to
371         build_compound_expr.
372
373 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
374
375         * config/sh/sh.c (sh_use_dfa_interface): Remove.
376         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
377         hook_int_void_1.
378         * config/sh/sh.md: Extract pipeline descriptions
379         into separate files.
380         * config/sh/sh1.md: New file, extracted from sh.md.
381         * config/sh/sh4.md: New file, extracted from sh.md.
382         * config/sh/shmedia.md: New file, extracted from sh.md
383         and rewritten using new-style pipeline description.
384
385 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
386
387         * config/pa/pa.md: Delete the two remaining define_peephole
388         patterns.
389
390 2004-07-18  Steven Bosscher  <stevenb@suse.de>
391             Joseph S. Myers  <jsm@polyomino.org.uk>
392
393         * c-common.c (c_common_truthvalue_conversion): Don't warn if
394         TREE_NO_WARNING is set.
395
396 2004-07-18  Roger Sayle  <roger@eyesopen.com>
397
398         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
399         simplify_builtin_strncmp): Delete.
400         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
401         Change argument to accept an arglist instead of an "exp".  Assume
402         that the return type is always integer_type_node.  Copy missing
403         transformations from their now obsolete simplify_builtin_*
404         equivalents.
405         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
406         fold_builtin_strcmp and fold_builtin_strncmp.
407         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
408         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
409         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
410
411 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
412
413         * Makefile.in (tree-alias-common.o): Update dependencies.
414
415 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
416
417         * cfgloop.c (flow_loop_nested_p): Fix comment.
418
419 2004-07-17  Jason Merrill  <jason@redhat.com>
420
421         PR c++/16115
422         * stor-layout.c (relayout_decl): New fn.
423         * tree.h: Declare it.
424         (DECL_BY_REFERENCE): New macro.
425
426 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
427
428         * libgcc2.c (__enable_execute_stack): New symbol.
429         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
430         and declare __enable_execute_stack.
431         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
432         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
433         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
434         ENABLE_EXECUTE_STACK.
435         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
436         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
437         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
438         ENABLE_EXECUTE_STACK.
439         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
440         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
441         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
442         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
443         ENABLE_EXECUTE_STACK.
444         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
445         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
446         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
447         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
448         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
449         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
450         (sparc64_initialize_trampoline): Likewise.
451         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
452
453 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
454
455         * langhooks.h (builtin_function): New langhook.
456         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
457         (LANG_HOOKS_INITIALIZER): Update.
458         * tree.h (builtin_function): Remove.
459         * doc/tm.texi: Update.
460         * c-tree.h (builtin_function): Declare.
461         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
462         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
463         config/ia64/ia64.c, config/iq2000/iq2000.c,
464         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
465         config/stormy16/stormy16.c: All callers of builtin_function
466         changed.
467
468 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
469
470         PR target/16556
471         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
472         Remove white space after the backslash.
473
474 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
475
476         PR rtl-optimization/16294
477         * resource.c (return_insn_p): New predicate.
478         (mark_target_live_regs): Use it.  Special-case return insns.
479         (init_resource_info): Use it.  Don't scan the epilogue past
480         a return.
481
482 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
483
484         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
485         destroy dominance information.
486         * passes.c (rest_of_handle_loop2):  Free dominance information.
487         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
488         jump threading.
489         (thread_jumps): Update dominance information and remove unreachable
490         blocks.
491         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
492         information and remove the unreachable block.
493
494 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
495
496         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
497
498 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
499
500         * doc/sourcebuild.texi: Remove libf2c entry.
501
502 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
503
504         * config/i386/i386.md (movv16qi_internal): Fix typo.
505
506 2004-07-17  Steven Bosscher  <stevenb@suse.de>
507
508         * final.c (final_scan_insn): Fix broken commit from previous
509         patch.
510
511 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
512
513         * c-typeck.c (parser_build_binary_op): Condition warnings for
514         X<=Y<=Z on -Wparentheses instead of -Wextra.
515         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
516         supported for C only.
517
518 2004-07-17  Steven Bosscher  <stevenb@suse.de>
519
520         * cfgcleanup.c (try_simplify_condjump): Don't remove line
521         notes to avoid unreachable code warnings.
522         * toplev.c (backend_init): Don't emit line notes for
523         unreachable code warnings.
524
525         * combine.c (distribute_notes): Don't distribute a
526         REG_VTABLE_REF note.
527         * final.c (final_scan_insn): Don't handle it.
528         * rtl.c (reg_note_name): Remove it.
529         * rtl.h (enum reg_node): Dito.
530
531         * emit-rtl.c (force_line_numbers, restore_line_number_status):
532         Remove.
533         * rtl.h (force_line_numbers, restore_line_number_status):
534         Remove prototypes.
535
536         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
537         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
538         (using_eh_for_cleanups): Also moved here.
539
540         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
541         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
542         to expand_start_case and add_case_node.
543         * stmt.c (struct nesting): Cleanup unused fields condition_code,
544         last_unconditional_cleanup, nominal_type, printname, and
545         line_number_status.
546         (struct fixup_goto): Remove.
547         (struct stmt_status): Remove x_goto_fixup_chain field.
548         (goto_fixup_chain): Remove.
549         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
550         pushcase, pushcase_range): Remove.
551         (expand_start_bindings_and_block): Don't set unused fields in
552         the nesting stack.
553         (expand_start_case, add_case_node): Cleanup unused formal arguments.
554         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
555         instead of emit_jump_if_reachable.
556         (emit_case_nodes): Likewise.
557         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
558         static.
559         (update_eh_label): Work around left-over exception handing regions.
560         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
561         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
562         (pass_cleanup_cfg_post_optimizing): New pass.
563         (init_tree_optimization_passes): Run the new pass after all
564         optimizations.
565         * tree.h (pushcase, pushcase_range): Remove prototypes.
566         (expand_start_case, add_case_node): Update prototypes.
567
568 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
569
570         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
571
572 2004-07-16  Richard Henderson  <rth@redhat.com>
573
574         * builtins.c (std_expand_builtin_va_arg): Remove.
575         (expand_builtin_va_arg): Remove.
576         * expr.h: Don't declare them.
577         * gimplify.c (mark_decls_volatile_r): Remove.
578         (copy_if_shared_r): Don't call it.
579         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
580         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
581         * gimple-low.c (lower_stmt): Likewise.
582         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
583         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
584         * tree-ssa-operands.c (get_expr_operands): Likewise.
585         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
586         EXPAND_BUILTIN_VA_ARG.
587         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
588         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
589         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
590         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
591
592 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
593
594         * tree-ssa-pre.c (insert_aux): Break out if we hit
595         a critical edge.
596
597 2004-07-16  Richard Henderson  <rth@redhat.com>
598
599         * basic-block.h (remove_fake_exit_edges): Declare.
600         * cfganal.c (remove_fake_predecessors): Rename from
601         remove_fake_successors; iterate over predecessors.
602         (remove_fake_exit_edges): New.
603         * cfgcleanup.c (try_optimize_cfg): Use it.
604         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
605         * predict.c (estimate_probability): Likewise.
606         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
607         * tree-cfg.c (make_edges): Likewise.
608         * tree-ssa-pre.c (fini_pre): Likewise.
609         * profile.c (instrument_edges): Don't remove_fake_edges.
610         (branch_prob): Do it earlier here.
611
612 2004-07-16  Richard Henderson  <rth@redhat.com>
613
614         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
615         switchification wrt CONSTRUCTOR.  Document the reason.
616
617 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
618
619         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
620         that prevented descriptive __mf_check source location strings.
621
622 2004-07-16  Richard Henderson  <rth@redhat.com>
623
624         * tree-def (WITH_SIZE_EXPR): New.
625         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
626         * expr.c (expand_expr_real_1): Likewise.
627         * gimplify.c (maybe_with_size_expr): New.
628         (gimplify_arg, gimplify_modify_expr): Use it.
629         (gimplify_modify_expr_to_memcpy): Take size parameter.
630         (gimplify_modify_expr_to_memset): Likewise.
631         (gimplify_expr): Handle WITH_SIZE_EXPR.
632         * tree-alias-common.c (find_func_aliases): Likewise.
633         * tree-eh.c (tree_could_trap_p): Likewise.
634         (tree_could_throw_p): Likewise.
635         * tree-gimple.c (is_gimple_lvalue): Likewise.
636         (get_call_expr_in): Likewise.
637         * tree-inline.c (estimate_num_insns_1): Likewise.
638         (expand_calls_inline): Likewise.
639         * tree-nested.c (convert_call_expr): Likewise.
640         * tree-pretty-print.c (dump_generic_node): Likewise.
641         * tree-sra.c (sra_walk_expr): Likewise.
642         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
643         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
644         * tree-ssa-operands.c (get_expr_operands): Likewise.
645         * tree-tailcall.c (find_tail_calls): Likewise.
646
647         * calls.c (expand_call): Reset old_stack_allocated after
648         calling emit_stack_restore.
649
650 2004-07-16  Richard Henderson  <rth@redhat.com>
651
652         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
653         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
654         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
655         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
656         copy_res_decl_for_inlining.
657
658         * tree-inline.c (declare_return_variable): New modify_dest argument.
659         Use it as the return value, when possible or manditory.  Handle
660         TREE_ADDRESSABLE types.
661         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
662         replacement of CALL_EXPR.
663
664 2004-07-16  Richard Henderson  <rth@redhat.com>
665
666         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
667         * gimple-low.c (expand_var_p): Don't check it.
668         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
669         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
670         * tree-ssa-operands.c (add_stmt_operand): Likewise.
671         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
672         (find_referenced_vars): Don't call them.
673         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
674
675 2004-07-16  Richard Henderson  <rth@redhat.com>
676
677         * function.c (pass_by_reference): True for all variable sized types.
678
679 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
680
681         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
682         * tree-pretty-print.c: Include tree-chrec.h.
683         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
684         and POLYNOMIAL_CHREC nodes.
685
686 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
687
688         * builtins.c (expand_builtin_stpcpy): Do not create temporary
689         reg with VOIDmode.
690
691 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
692
693         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
694
695 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
696
697         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
698         to BASE_REGNUM.
699         * config/s390/s390.c: Likewise.
700         * config/s390/s390.h: Likewise.
701
702 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
703
704         * config/mips/mips.md (addsi3, adddi3): Remove special handling
705         of $sp adds.  Remove REGNO checks from mips16 patterns.
706
707 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
708
709         * config/mips/mips.md: Delete outdated comment.
710
711 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
712
713         * config/mips/mips.c (get_float_compare_codes): Delete.
714         (mips_emit_compare): New function, mostly extracted from
715         get_float_compare_codes and gen_conditional_branch.
716         (gen_conditional_branch, gen_conditional_move): Use it.
717
718 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
719
720         * genautomata.c (add_vect): Speedup by using integers as
721         bit-vectors for walking through the comb_vect and finding
722         a match.
723
724 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
725
726         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
727         operand is an uns_arith_operand; use subtraction otherwise.
728         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
729         not just arith_operands.
730
731 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
732
733         * config/mips/mips-protos.h (gen_int_relational): Delete.
734         (mips_emit_scc): Declare.
735         * config/mips/mips.c (internal_test): Delete.
736         (sle_operand, sleu_operand): New functions.
737         (map_test_to_internal_test, gen_int_relational): Delete.
738         (mips_emit_binary, mips_relational_operand_ok_p)
739         (mips_emit_int_relational, mips_zero_if_equal)
740         (mips_emit_scc): New functions.
741         (gen_conditional_branch): Rework to use mips_emit_int_relational.
742         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
743         sleu_operand.
744         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
745         (sltu, sleu): Use mips_emit_scc.
746         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
747         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
748         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
749
750 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
751
752         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
753
754 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
755
756         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
757         (*sne_[sd]i): Likewise sne_[sd]i_zero.
758         (*sgt_[sd]i): ...and sgt_[sd]i.
759         (*slt_[sd]i): ...and slt_[sd]i.
760         (*sgtu_[sd]i): ...and sgtu_[sd]i.
761         (*sltu_[sd]i): ...and sltu_[sd]i.
762         (*sleu_[sd]i): ...and sleu_[sd]i_const.
763         Name previously unnamed mips16 patterns.  Formatting fixes.
764
765 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
766
767         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
768         (branch_type): Delete.
769         (gen_conditional_branch, gen_conditional_move)
770         (mips_gen_conditional_trap): Update after name change.  Get the
771         comparison mode from cmp_operands[0].
772         * config/mips/mips.h (cmp_type, branch_type): Delete.
773         (cmp_operands): Renamed from branch_cmp.
774         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
775         name change.  Don't set branch_type.
776         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
777         mode class of cmp_operands[0] rather than branch_type.  Update after
778         name change.
779
780 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
781
782         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
783         of 0...255 to 0 when inside a SET.
784
785 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
786
787         * config/mips/mips.md: Remove mips16 define_peepholes.
788
789 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
790
791         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
792         (fini_pre): Remove fake edges.
793
794 2004-07-15  Richard Henderson  <rth@redhat.com>
795
796         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
797         (get_indirect_ref_operands, get_call_expr_operands): ... these.
798
799 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
800
801         * vec.h (VEC_address): New function.
802
803 2004-07-14  Jason Merrill  <jason@redhat.com>
804
805         PR middle-end/15885
806         * gimplify.c (gimplify_arg): New fn, split out from...
807         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
808
809 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
810
811         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
812         generate code which is generated by pushqi1 now
813         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
814
815 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
816
817         * combine.c (simplify_set): match the mode of the constant 0 with
818         the tested operand to match the compare behaviour and the
819         simplify_relational_operation() expectation.
820
821 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
822
823         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
824         ("bordered"): Same.
825
826 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
827
828         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
829         unconditionally.
830         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
831
832 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
833
834         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
835         calls in mips16 code.
836
837 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
838
839         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
840         the destination of the li as well as for the neg.
841
842 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
843
844         g++/15861
845         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
846         * cgraph.h: Update declaration.
847         * c-decl.c (build_cdtor): Update call with default priority.
848         * coverage.c (create_coverage): Ditto.
849         * tree-mudflap.c (mf_init_fndecl): New tree.
850         (mudflap_init): Set it.
851         (mudflap_register_call): Arrange to call __mf_init before the first
852         __mf_register call.
853         (mudflap_finish_file): Mark the mudflap static initializer as extra
854         high priority, to beat all C++ static constructors.
855
856 2004-07-15  Jeff Law  <law@redhat.com>
857
858         * loop.c (check_insn_for_givs): Restore check for code labels that was
859         accidentally deleted by a recent checkin.
860
861 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
862
863         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
864         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
865
866 2004-07-14  Richard Henderson  <rth@redhat.com>
867
868         * print-tree.c (print_node): Fix casts last change.
869
870 2004-07-15  Paul Brook  <paul@codesourcery.com>
871
872         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
873         to TARGET_UNWIND_INFO.
874         * except.c (output_function_exception_table): Ditto.
875         * except.h: Ditto.
876         * opts.c (decode_options): Ditto.
877         * passes.c (rest_of_handle_final): Ditto.
878         * final.c (final_start_function): Ditto.
879         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
880         target hook.
881         * targhooks.h (default_unwind_emit): Declare.
882         * targhooks.c (default_unwind_emit): New function.
883         * target-def.h: Define and use TARGET_UNWIND_EMIT.
884         * target.h (struct gcc_target): Add unwind_emit.
885         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
886         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
887         Remove IA64_UNWIND_EMIT.
888         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
889
890 2004-07-14  Richard Henderson  <rth@redhat.com>
891
892         * print-tree.c (print_node): Handle SSA_NAME.
893
894 2004-07-14  James E Wilson  <wilson@specifixinc.com>
895
896         PR target/16325
897         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
898         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
899
900 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
901
902         * expr.c (expand_assignment): Reenable bitfield += optimizations.
903         Use alias set 0 for memory, do proper mode calculations and adjust
904         address for memories.
905
906 2004-07-14  Per Bothner  <per@bothner.com>
907
908         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
909         structure with extra column field.
910         * tree.c (expand_location):  Also fill in column field.
911         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
912         gets confused by the two conditionally-compiled definitions.
913
914 2004-07-14  Eric Christopher  <echristo@redhat.com>
915
916         * calls.c (expand_call): Fix typo in comment.
917
918 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
919
920         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
921         comparision of TFmode.
922
923 2004-07-14  Richard Henderson  <rth@redhat.com>
924
925         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
926         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
927         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
928         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
929         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
930         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
931         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
932         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
933         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
934
935 2004-07-14  Mike Stump  <mrs@apple.com>
936
937         * config/darwin.h (WINT_TYPE): Define to be int to match
938         system header files.
939
940 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
941
942         * config/xtensa/xtensa.c (function_arg_advance): Check for args
943         that must be passed in the stack.
944         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
945         arguments if the size is not a constant.
946
947 2004-07-14  Per Bothner  <per@bothner.com>
948
949         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
950         instead of EXPR_LOCUS in a boolean context, which is always true
951         if --enable-mapped-location.
952         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
953
954 2004-07-14  Richard Henderson  <rth@redhat.com>
955
956         * dominance.c (struct dom_info): Add fake_exit_edge.
957         (init_dom_info): Allocate it.
958         (free_dom_info): Free it.
959         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
960         in two passes.
961         (calc_idoms): Honor fake_exit_edge.
962
963 2004-07-13  Jason Merrill  <jason@redhat.com>
964
965         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
966         (rhs_test_for): New fn.
967         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
968         * tree-gimple.h: Declare them.
969         * gimplify.c (gimplify_modify_expr): Use the new fns.
970
971 2004-07-14  Richard Henderson  <rth@redhat.com>
972
973         * config/arm/arm-protos.h (arm_va_arg): Remove.
974         * config/arm/arm.c (arm_va_arg): Remove.
975         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
976         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
977
978 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
979
980         * pa.c (fix_range): New function to mark a range(s) of registers as
981         fixed registers.
982         (override_options): Call fix_range if the -mfixed-range option string
983         is not empty.
984         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
985         * doc/invoke.texi (-mfixed-range): Document new option.
986
987 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
988
989         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
990         for TARGET_64BIT.
991         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
992
993 2004-07-14  Roger Sayle  <roger@eyesopen.com>
994
995         * expmed.c (expand_sdiv_pow2): New function to expand signed division
996         by a positive power of two, split out from expand_divmod.  Provide
997         an alternate implementation when shifts are expensive.  Lower the
998         threshold for using a branchless implementation to BRANCH_COST >= 2.
999         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
1000
1001 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1002
1003         * tree-dfa.c (make_rename_temp): *Really* work just
1004         like create_tmp_var if called while outside SSA form.
1005
1006 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1007
1008         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
1009         for division by zero.
1010         ("umodsi3"): Likewise.
1011
1012 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1013
1014         * config/mips/mips.c (mips_output_move): When generating mips16 code,
1015         force loads of negative constants to be split.
1016         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
1017         Generalize SImode li/neg splitter to cope with other modes.
1018
1019 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1020
1021         * expmed.c: Remove more references to QUEUED in the comments.
1022         * expr.c: Likewise.
1023
1024 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1025
1026         Revert:
1027         2004-07-13  Richard Henderson  <rth@redhat.com>
1028         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
1029         correctly.
1030
1031 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1032
1033         * tree-dfa.c (make_rename_temp): Work just like
1034         create_tmp_var if called while outside SSA form.
1035
1036 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1037
1038         * expr.c (enqueue_insn, finish_expr_for_function,
1039         protect_from_queue, queued_subexp_p, mark_queue,
1040         emit_insns_enqueued_after_mark, emit_queue,
1041         expand_increment): Remove.
1042         (store_constructor): Expand increment as an assignment.
1043         (expand_expr_real_1 <case PREINCREMENT_EXPR,
1044         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
1045         case POSTDECREMENT_EXPR>): Abort.
1046         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
1047         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
1048         protect_from_queue, emit_queue, queued_subexp_p): Remove.
1049         * function.h (pending_chain, x_pending_chain): Remove.
1050         * rtl.def (QUEUED): Remove.
1051
1052         * emit-rtl.c (copy_insn_1, copy_most_rtx,
1053         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
1054         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
1055         encode_units_mask): Likewise.
1056         * local-alloc.c (equiv_init_varies_p): Likewise.
1057         * rtl.c (copy_rtx): Likewise.
1058         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1059         * simplify-rtx.c (simplify_gen_subreg): Likewise.
1060         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
1061
1062         * builtins.c (expand_builtin, expand_builtin_apply,
1063         expand_builtin_mathfn, expand_builtin_mathfn_2,
1064         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
1065         Remove calls to emit_queue and protect_from_queue.
1066         * calls.c (expand_call, precompute_arguments,
1067         precompute_register_parameters, rtx_for_function_call,
1068         store_one_arg): Likewise.
1069         * dojump.c (do_compare_and_jump, do_jump): Likewise.
1070         * explow.c (memory_address): Likewise.
1071         * expmed.c (clear_by_pieces_1, clear_storage,
1072         clear_storage_via_libcall, emit_group_load,
1073         emit_group_store, emit_store_flag,
1074         expand_expr_real_1, store_by_pieces,
1075         store_constructor, store_expr, try_casesi,
1076         try_tablejump): Likewise.
1077         * function.c (expand_pending_sizes): Likewise.
1078         * optabs.c (emit_cmp_and_jump_insns,
1079         emit_conditional_add, emit_conditional_move,
1080         expand_fix, expand_float, prepare_cmp_insn): Likewise.
1081         * stmt.c (emit_case_bit_tests,
1082         expand_asm_expr, expand_computed_goto,
1083         expand_decl_init, expand_end_case_type,
1084         expand_end_stmt_expr, expand_expr_stmt_value,
1085         expand_return, expand_start_case,
1086         optimize_tail_recursion): Likewise.
1087         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1088         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
1089
1090 2004-07-14  Ben Elliston  <bje@au.ibm.com>
1091
1092         * vec.h: Comment fix.
1093
1094 2004-07-13  Richard Henderson  <rth@redhat.com>
1095
1096         * target.h (struct gcc_target): Add calls.pass_by_reference.
1097         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
1098         * function.c (pass_by_reference): Use the hook.
1099         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
1100         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
1101         (hook_pass_by_reference_must_pass_in_stack): New.
1102         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
1103         (alpha_pass_by_reference): New.
1104         (TARGET_PASS_BY_REFERENCE): New.
1105         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1106         * config/arc/arc.c (arc_pass_by_reference): New.
1107         (TARGET_PASS_BY_REFERENCE): New.
1108         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1109         (FUNCTION_ARG_CALLEE_COPIES): True.
1110         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
1111         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
1112         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
1113         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1114         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1115         * config/cris/cris.c (cris_pass_by_reference): New.
1116         (TARGET_PASS_BY_REFERENCE): New.
1117         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
1118         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
1119         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1120         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
1121         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1122         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
1123         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
1124         (frv_function_arg_pass_by_reference): Remove.
1125         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1126         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
1127         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
1128         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
1129         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1130         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
1131         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
1132         (ia64_pass_by_reference): Rename from
1133         ia64_function_arg_pass_by_reference.
1134         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1135         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1136         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
1137         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
1138         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
1139         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1140         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1141         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
1142         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
1143         (m32r_pass_by_reference): Adjust prototype.  Make static.
1144         Handle mode sizes correctly.
1145         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1146         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
1147         (m68hc11_function_arg_pass_by_reference): Remove.
1148         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1149         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1150         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
1151         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1152         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
1153         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
1154         (mips_va_arg): Use pass_by_reference.
1155         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
1156         Handle mode sizes correctly.
1157         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1158         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1159         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
1160         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
1161         (mmix_pass_by_reference): Rename from
1162         mmix_function_arg_pass_by_reference.
1163         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1164         (FUNCTION_ARG_CALLEE_COPIES): True.
1165         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
1166         (mn10300_pass_by_reference): New.
1167         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1168         (FUNCTION_ARG_CALLEE_COPIES): True.
1169         * config/pa/pa.c (pa_pass_by_reference): New.
1170         (TARGET_PASS_BY_REFERENCE): New.
1171         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1172         (FUNCTION_ARG_CALLEE_COPIES): True.
1173         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
1174         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
1175         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
1176         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1177         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
1178         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
1179         (s390_pass_by_reference): Rename from
1180         s390_function_arg_pass_by_reference.
1181         (s390_function_arg_advance): Don't query pass-by-ref.
1182         (s390_function_arg): Likewise.
1183         (s390_gimplify_va_arg): Use pass_by_reference.
1184         (s390_call_saved_register_used): Likewise.
1185         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1186         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
1187         (shcompact_byref, sh_pass_by_reference): New.
1188         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1189         (SHCOMPACT_BYREF): Remove.
1190         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
1191         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
1192         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
1193         (sparc_gimplify_va_arg): Use pass_by_reference.
1194         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1195         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1196         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
1197         (v850_pass_by_reference): New.
1198         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1199         (FUNCTION_ARG_CALLEE_COPIES): True.
1200         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
1201         FUNCTION_ARG_PASS_BY_REFERENCE docs.
1202
1203 2004-07-14  Richard Henderson  <rth@redhat.com>
1204             Richard Sandiford  <rsandifo@redhat.com>
1205
1206         * config/mips/mips-protos.h (mips_va_arg): Delete.
1207         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
1208         * config/mips/mips.c: Include tree-gimple.h.
1209         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
1210         (mips_arg_info): Remove special handling of must_pass_in_stck args.
1211         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
1212         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
1213
1214 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
1215
1216         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
1217         arguments for COND_EXPR in big-endian adjustment code.
1218
1219 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1220
1221         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
1222         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
1223         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
1224         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
1225
1226 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1227
1228         PR tree-optimization/16443
1229         * tree-ssa-alias.c: Add more description for
1230         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
1231         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
1232         clobbering of call-clobbered and addressable variables.  If
1233         there are any before aliases have been computed, add them.
1234
1235 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1236
1237         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
1238         verification.
1239
1240 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
1241
1242         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
1243         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
1244         to the same type.
1245
1246 2004-07-13  Per Bothner  <per@bothner.com>
1247
1248         * collect2.c (main):  Handle --no-demangle and --demangle flags.
1249
1250 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
1251
1252         * Makefile.in (OBJS-common): Add tree-data-ref.o.
1253         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
1254         (tree-data-ref.o): New rule.
1255         * lambda.h: New file.
1256         * tree-data-ref.c: New file.
1257         * tree-data-ref.h: New file.
1258         * tree.c (int_cst_value, tree_fold_gcd): New functions.
1259         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
1260
1261 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1262
1263         PR target/13926
1264         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
1265         * config/sparc/sparc.c (output_ubranch): New function.
1266         * config/sparc/sparc.md (jump pattern): Use it.
1267
1268 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1269
1270         PR target/16494
1271         * config/sparc/sparc.c (output_cbranch): Properly guard
1272         the code handling far branches with TARGET_V9.
1273         * config/sparc/sparc.md (length attribute): Document the
1274         side-effect of having a length greater or equal to 3.
1275
1276 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1277             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
1278
1279         PR target/15186
1280         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
1281         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
1282
1283 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1284             Martin Sebor  <sebor@roguewave.com>
1285
1286         PR target/12602
1287         * doc/invoke.texi (SPARC options): Document -threads
1288         and -pthreads on Solaris.
1289
1290 2004-07-13  Richard Henderson  <rth@redhat.com>
1291
1292         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
1293         by reference.
1294         (ind_gimplify_va_arg_expr): Remove.
1295         * tree.h (ind_gimplify_va_arg_expr): Remove.
1296         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
1297         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
1298         argsp to be null.
1299
1300         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
1301         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
1302         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
1303         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
1304         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
1305
1306 2004-07-13  Richard Henderson  <rth@redhat.com>
1307
1308         * function.c (pass_by_reference): New.
1309         (assign_parm_find_data_types): Use it.
1310         * calls.c (initialize_argument_information): Likewise.
1311         (emit_library_call_value_1): Likewise.
1312         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1313         * function.h (pass_by_reference): Declare.
1314
1315 2004-07-13  Richard Henderson  <rth@redhat.com>
1316
1317         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
1318         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
1319         * expr.h (MUST_PASS_IN_STACK): Remove.
1320         * system.h (MUST_PASS_IN_STACK): Poison.
1321         * tree.h (must_pass_in_stack_var_size): Declare.
1322         (must_pass_in_stack_var_size_or_pad): Declare.
1323         * calls.c (must_pass_in_stack_var_size): New.
1324         (must_pass_in_stack_var_size_or_pad): Rename from
1325         default_must_pass_in_stack.
1326         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
1327         (TARGET_MUST_PASS_IN_STACK): New.
1328         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
1329         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
1330         (TARGET_MUST_PASS_IN_STACK): New.
1331         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
1332         * config/frv/frv.c (frv_must_pass_in_stack): New.
1333         (TARGET_MUST_PASS_IN_STACK): New.
1334         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
1335         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
1336         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
1337         (ix86_must_pass_in_stack): Make static.
1338         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
1339         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
1340         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
1341         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
1342         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
1343         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
1344         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
1345         (mcore_must_pass_on_stack): Remove.
1346         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
1347         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
1348         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
1349         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
1350         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
1351         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
1352         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
1353         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
1354         (TARGET_MUST_PASS_IN_STACK): New.
1355         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
1356         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
1357         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
1358         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
1359         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
1360         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
1361         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
1362         MUST_PASS_IN_STACK.
1363
1364         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
1365         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
1366         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
1367         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
1368         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
1369         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
1370         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
1371         config/xtensa/xtensa.c: Use target hook.
1372
1373 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
1374
1375         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
1376         * configure: Rebuilt.
1377
1378 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1379
1380         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
1381         * config/mips/mips.h (mips_reg_names): Don't declare.
1382         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
1383         (TARGET_NAME_REGS): Delete.
1384         (TARGET_SWITCHES): Remove -mrnames.
1385         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
1386         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
1387         in REGISTER_NAMES.
1388         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
1389         (override_options): Remove handling of TARGET_NAME_REGS.
1390
1391 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1392
1393         * config/mips/mips.h (TARGET_*): Boolify.
1394
1395 2004-07-12  Nick Clifton  <nickc@redhat.com>
1396
1397         * config.gcc: Add sh-*-symbianelf target.
1398         * config/sh/sh.c: Add new target macros:
1399         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
1400         TARGET_CXX_IMPORT_EXPORT_CLASS.
1401         (sh_file_start): Create a definition of the .directive section.
1402         (sh_attribute): Add dllimport and dllexport attributes.
1403         * config/sh/symbian-pre.h: New file.
1404         * config/sh/symbian-post.h: New file.
1405         * config/sh/symbian.c: New file. Contains Symbian specific
1406         functions.
1407         * config/sh/sh-protos.h: Add prototypes for new functions
1408         provided by symbian.c.
1409         * config/sh/t-symbian: New file.
1410         * doc/extend.texi: Document support for dllimport and dllexport
1411         attributes by the sh-symbianelf target.
1412
1413 2004-07-12  James E Wilson  <wilson@specifixinc.com>
1414
1415         * Makefile.in (AR): Use @AR@ not ar.
1416         (NM): New.
1417         (AR_FOR_TARGET): Use $(AR) not ar for native.
1418         (NM_FOR_TARGET): Use $(NM) not nm for native.
1419         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
1420         * configure: Regenerate.
1421
1422 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
1423
1424         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
1425         special case.
1426         (ashldi3_sp64): Likewise.
1427
1428 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1429
1430         PR target/16477
1431         * pa.c (function_arg): Update comment.
1432         * pa.h (BLOCK_REG_PADDING): Define.
1433
1434 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1435
1436         PR tree-optimization/16461
1437         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
1438         arguments of phi nodes.
1439
1440 2004-07-12  Devang Patel  <dpatel@apple.com>
1441
1442         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
1443
1444 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
1445
1446         * function.c (expand_function_start): Ensure r_save is in Pmode.
1447         * calls.c (prepare_call_address): Ensure static_chain_value is
1448         in Pmode.
1449         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
1450         r_save_area are in Pmode.
1451         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
1452         fnaddr, and static_chain are in Pmode.
1453
1454 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
1455
1456         PR target/16445
1457         * config/ia64/ia64.c (bundling): Don't count ignored insns.
1458
1459 2004-07-12  Richard Henderson  <rth@redhat.com>
1460
1461         * target.h (struct gcc_target): Move gimplify_va_arg_expr
1462         next to build_builtin_va_list.
1463         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
1464         * builtins.c (gimplify_va_arg_expr): Likewise.
1465         * gimplify.c (copy_if_shared_r): Likewise.
1466
1467 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
1468
1469         * passes.c (rest_of_decl_compilation): Don't defer call of
1470         assemble_variable if its DECL_RTL is already set.
1471
1472 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
1473
1474         * cfgloop.h (struct loop): Add nb_iterations field.
1475         (current_loops): Declare.
1476         * tree-chrec.c (chrec_not_analyzed_yet,
1477         chrec_dont_know, chrec_known, count_ev_in_wider_type,
1478         chrec_contains_symbols_defined_in_loop): Remove the temporary
1479         hooks.
1480         * tree-flow-inline.h (loop_containing_stmt): New function.
1481         * tree-scalar-evolution.c: Add implementation.
1482         * tree-scalar-evolution.h: Add declarations.
1483
1484 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
1485
1486         PR rtl-optimization/15921
1487         * Makefile.in (global.o): Add recog.h.
1488
1489         * global.c (recog.h): Add the include-clause.
1490         (bb_info): New member earlyclobber.
1491         (allocate_bb_info, free_bb_info): Initialize/finish the new
1492         member.
1493         (earlyclobber_regclass, earlyclobber_regclass_length): The new
1494         global variables.
1495         (check_earlyclobber, regclass_intersect,
1496         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
1497         New functions.
1498         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
1499         (make_accurate_live_analysis): Modify pavin.
1500
1501 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
1502
1503         * tree-cfg.c (find_taken_edge): Statically compute the truth
1504         value of a predicate comparing an SSA_NAME to itself.
1505
1506 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1507
1508         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
1509         rs6000 doesn't have shift-and-add or shift-and-sub instructions
1510         by returning the cost of a multiplication plus an addition.
1511
1512 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1513
1514         PR tree-optimization/14107
1515         * gimplify.c (gimplify_return_expr): Accept a
1516         RETURN_EXPR with an error argument.
1517         * tree-optimize.c (init_tree_optimization_passes):
1518         Run pass_warn_function_return at -O0.
1519
1520 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1521
1522         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
1523         index entry.
1524
1525 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
1526
1527         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
1528         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1529         * config/mips/3000.md: Add copyright notice.  Remove automota and
1530         function units; use generic ones instead.  Only define reservations
1531         for things that are different from generic.md.  Extend each clause
1532         to include r3900.
1533         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
1534         * config/mips/mips.md: Include them. Remove define_function_units.
1535         (alu, imuldiv): New automata and units.
1536
1537 2004-07-12  Ben Elliston  <bje@au.ibm.com>
1538
1539         * doc/invoke.texi (Optimize Options): Document -frename-registers
1540         not being enabled by default at -O3.
1541
1542 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1543
1544         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
1545         floating point additions, to keep real immediate constant positive.
1546         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
1547         into X + C, and leave positive real constants as X - C.
1548
1549 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1550
1551         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
1552
1553 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1554
1555         PR tree-optimization/15654
1556         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
1557
1558 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1559
1560         * builtins.c (fold_builtin_fputs): Don't bother converting the
1561         return type to integer_type_node, as we've already checked that
1562         the result will be ignored.
1563
1564         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
1565         that signed addition, subtraction, multiplication, division,
1566         remainder, negation and absolute value may potentially trap.
1567
1568         * fold-const.c (fold_ignored_result): New function to strip
1569         non-side-effecting tree nodes from an expression whose result
1570         is ignored.
1571         (fold_convert): Call fold_ignored_result when casting a value
1572         to VOID_TYPE.
1573         (omit_one_operand):  Call fold_ignored_result on the "omitted"
1574         operand when building a COMPOUND_EXPR.
1575         (pedantic_omit_one_operand): Likewise.
1576         * tree.h (fold_ignored_result): Prototype here.
1577         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
1578         when we're going to ignore the result.
1579
1580 2004-07-11  Richard Henderson  <rth@redhat.com>
1581
1582         PR tree-opt/16383
1583         * tree-ssa-ccp.c (fold_stmt_r): Split out...
1584         * tree.c (fields_compatible_p, find_compatible_field): ... new.
1585         * tree.h (fields_compatible_p, find_compatible_field): Declare.
1586         * tree-sra.c (sra_hash_tree): Hash fields by offset.
1587         (sra_elt_eq): Use fields_compatible_p.
1588         (generate_one_element_ref): Use find_compatible_field.
1589
1590 2004-07-11  Richard Henderson  <rth@redhat.com>
1591
1592         PR tree-opt/16422
1593         * tree-sra.c (generate_one_element_init): New.
1594         (generate_element_init): Use it.
1595         (scalarize_init): Push/pop gimplify context around it.
1596         (find_new_referenced_vars_1, find_new_referenced_vars): New.
1597         * gimplify.c (gimplify_expr): Allow SSA_NAME.
1598
1599 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1600
1601         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
1602         combine.c's combine_insn_cost.
1603         * rtl.h (insn_rtx_cost): Prototype here.
1604         * combine.c (combine_insn_cost): Delete function.
1605         (combine_validate_cost): Update callers of combine_insn_cost to
1606         call insn_rtx_cost instead.
1607         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
1608         requesting the rtx_cost of call and/or jump instructions.
1609
1610         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
1611         rtx_cost directly.  Don't request/use the cost of call or jump
1612         instructions.  Return -1 if the cost of any instruction can't be
1613         determined (or the BB contains a function call).
1614         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
1615         -1 (i.e. can't determine the cost of any instruction or the basic
1616         block contains a subroutine call).
1617         (find_if_case_2): Likewise.
1618
1619 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1620
1621         * rs6000.c (struct processor_costs): Change semantics of fields to
1622         include the COST_N_INSNS scaling, and update all initializers.
1623         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1624         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1625         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1626         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1627
1628 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1629
1630         * LANGUAGES: Remove obsolete information.
1631
1632 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1633
1634         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
1635         SIGBUS signal frames, the PSW address points *to* the faulting
1636         instruction, not after it.
1637
1638 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1639
1640         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
1641         added to TLS symbol addresses.
1642
1643 2004-07-11  Richard Henderson  <rth@redhat.com>
1644
1645         * expmed.c (init_expmed): Use stack-local structures for
1646         temporary rtl.  Don't recognize shifts.
1647
1648 2004-07-11  Richard Henderson  <rth@redhat.com>
1649
1650         * expr.c (store_expr): Don't fiddle subreg promotion for types
1651         with precision smaller than the mode.
1652
1653 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1654
1655         * tree.h (all_types_permanent): Remove.
1656
1657 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1658
1659         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
1660         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
1661         * langhooks.c (lhd_clear_binding_stack): Remove.
1662         * langhooks-def.h (lhd_clear_binding_stack,
1663         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1664         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
1665         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
1666         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1667         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
1668         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1669         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
1670         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1671         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
1672         * tree.h (poplevel): Don't declare.
1673         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1674         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1675         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1676         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1677         Remove.
1678
1679 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1680
1681         PR tree-optimization/16437
1682         * c-common.c (shorten_compare): Don't mark result of conversion to
1683         narrower signed type as overflowing.
1684         * fold-const.c (decode_field_reference): Determine whether
1685         signedness comes from outer type using precision rather than size.
1686
1687 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1688
1689         * configure.ac:  Alphabetize --enable-checking list, add
1690         missing valgrind entry.
1691         * configure:  Regenerate.
1692
1693 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1694
1695         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1696
1697 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1698
1699         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1700
1701 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1702
1703         PR rtl-optimization/16001
1704         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1705         niter_expr.
1706
1707 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1708
1709         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1710
1711 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1712             James Morrison  <phython@gcc.gnu.org>
1713
1714         * doc/contrib.texi (Contributors): Add gfortran contributors and
1715         fix a couple of typos.
1716
1717 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1718
1719         PR rtl-optimization/15387
1720         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1721         to incoming args space correctly.
1722
1723 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1724
1725         * pa.c (output_indirect_call): Only use %r2 as the link register in
1726         indirect calls with the long PA 2.0 pc-relative branch.
1727
1728 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1729
1730         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1731         for the default tuning if TARGET_64BIT.
1732
1733 2004-07-10  Richard Henderson  <rth@redhat.com>
1734
1735         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1736         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1737
1738 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1739
1740         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1741         * expmed.c (store_bit_field, extract_bit_field): Remove last
1742         argument.
1743         * builtins.c (expand_builtin_signbit): Adjust callers.
1744         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1745         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1746         * ifcvt.c (noce_emit_move_insn): Likewise.
1747         * stmt.c (expand_return): Likewise.
1748         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1749         store_field, expand_expr_real_1): Likewise.
1750
1751 2004-07-10  Richard Henderson  <rth@redhat.com>
1752
1753         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1754
1755 2004-07-09  Mike Stump  <mrs@apple.com>
1756
1757         * config/darwin.c (no_dead_strip): Add.
1758         (HAVE_DEAD_STRIP): Add.
1759         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1760         the .eh label.
1761
1762 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1763
1764         * tree-ssa-loop-im.c: New file.
1765         * Makefile.in (tree-ssa-loop-im.o): Add.
1766         * cfgloop.c (superloop_at_depth): New function.
1767         * cfgloop.h (superloop_at_depth): Declare.
1768         * common.opt (ftree-lim): New flag.
1769         * expr.c (array_ref_up_bound): New function.
1770         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1771         * timevar.def (TV_LIM): New timevar.
1772         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1773         computing immediate uses of a phi node.
1774         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1775         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1776         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1777         * tree-pass.h (pass_lim): Declare.
1778         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1779         functions.
1780         (pass_lim): New pass structure.
1781         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1782         * tree.c (in_array_bounds_p): New function.
1783         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1784         (in_array_bounds_p, array_ref_up_bound): Declare.
1785         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1786         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1787
1788 2004-07-09  Richard Henderson  <rth@redhat.com>
1789
1790         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1791
1792         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1793         with prejudice.
1794
1795 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1796
1797         * flags.h: Delete redundant prototypes that are being generated
1798         in options.h from common.opt.
1799         * common.opt: Add in the expository comments formerly in flags.h.
1800
1801 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1802
1803         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1804         available for use only when TARGET_MMX/_SSE is set, and check for
1805         variable argument function if any register count is non-zero.
1806         (function_arg): Correctly suppress repeated warnings for passing SSE
1807         vectors are arguments without SSE enabled.
1808         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1809         would be SSE register modes does no longer influence the alignment.
1810
1811 2004-07-09  Richard Henderson  <rth@redhat.com>
1812
1813         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1814         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1815         Maintain type-correctness of constants.
1816         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1817
1818 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1819
1820         * config/sparc/sparc.c (*_costs): Scale instruction costs
1821         by COSTS_N_INSNS.
1822         (sparc_rtx_costs): Adjust as appropriate.
1823
1824 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1825
1826         * config/i386/mm3dnow.h: New.
1827         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1828
1829 2004-07-09  Richard Henderson  <rth@redhat.com>
1830
1831         * simplify-rtx.c (simplify_const_relational_operation): Only
1832         look at bounds of scalar integers.
1833
1834 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1835
1836         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1837
1838 2004-07-09  Andrew Pinski  <apinski@apple.com>
1839
1840         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1841         always referenced.
1842         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1843         UOBJC_METACLASS_decl.
1844
1845 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1846
1847         PR target/16364
1848         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1849         do return a parallel if hfa_mode == XFmode and mode == TImode.
1850
1851 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1852
1853         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1854         permissible for unary plus.
1855
1856 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1857
1858         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1859         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1860         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1861         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1862         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1863         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1864         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1865         (BUILTIN_xxxIMAX): New.
1866         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1867         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1868         BUILT_IN_PARITYIMAX.
1869
1870 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1871
1872         * config/sparc/sparc.h (processor_costs): Define.
1873         (sparc_costs): Declare.
1874         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1875         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1876         ultrasparc3_costs): New.
1877         (sparc_override_options): Set sparc_costs as appropriate.
1878         (sparc_rtx_costs): Use sparc_costs instead of messy
1879         conditionals.
1880
1881 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1882
1883         * doc/md.texi (Processor pipeline description): Mention that
1884         the old pipeline description is deprecated.
1885
1886         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1887         mciu_7450 function unit to...
1888         (automaton ppc7450mciu): ...new automaton.
1889
1890         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1891         (schedule_block): Don't consider inserting bubbles.
1892         (sched_init): Don't initialize DFA bubbles.
1893         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1894         TARGET_SCHED_DFA_BUBBLE): Remove.
1895         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1896         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1897         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1898
1899         * stmt.c (conditional_context): Remove prototype.
1900         * tree.h (conditional_context): Remove.
1901         * tree-cfg.c (pre_insert_on_edge): Remove.
1902
1903         * c-common.h (c_expand_asm_operands): Remove prototype.
1904         * c-typeck.c (c_expand_asm_operands): Remove.
1905
1906 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1907
1908         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1909         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1910         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1911         and V8QI are class SSE. All sufficiently small remaining vector modes
1912         must be passed in one or two integer registers.
1913         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1914         returned in memory.
1915         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1916         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1917         and must thus be handled explicitly.
1918         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1919         MMX and XMM regs.
1920         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1921         movv2sf_internal): Permit moving between MMX and XMM registers (since
1922         MMX areguments and return values are passed in XMM registers).
1923         (sse2_umulsidi3): Correct type and mode.
1924
1925 2004-07-09  Richard Henderson  <rth@redhat.com>
1926
1927         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1928
1929 2004-07-09  Eric Christopher  <echristo@redhat.com>
1930
1931         * config/rs6000/40x.md: Split into two automatons.
1932
1933 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1934             Andrew Pinski  <apinski@apple.com>
1935
1936         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1937         on when we have more than one input file.
1938         (c_common_parse_file): Restore loop over all input files.
1939         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1940
1941         * c-decl.c (set_type_context): New function.
1942         (pop_scope): Use it to set context of types.  When we
1943         encounter a TYPE_DECL, set the context of the attached type too.
1944         (pop_file_scope): Don't call cpp_undef_all here.
1945         (diagnose_mismatched_decls): Do not complain about a second
1946         definition of an 'extern inline' function if it's not in the
1947         same translation unit.  Do not complain about inline
1948         declaration after use if the use was in a different
1949         translation unit.
1950         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1951         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1952         the external scope.
1953         (pushdecl_top_level): Likewise.
1954         (grokdeclarator): Clarify what is going on with setting
1955         DECL_EXTERNAL on function types, a little.
1956         (c_write_global_declarations): Don't do anything if
1957         -fsyntax-only or errors have been encountered.
1958
1959 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1960
1961         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1962
1963 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1964
1965         PR target/16459
1966         * pa.c (output_indirect_call): Use %r2 as the link register when
1967         calling $$dyncall with a pc-relative branch.
1968
1969 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1970
1971         * doc/install.texi (Binaries): Mention OpenPKG.
1972
1973 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1974
1975         Fix PR tree-optimization/15555
1976         * tree-dfa.c (dump_variable): If the variable is a pointer
1977         SSA_NAME, also dump its points-to information.
1978         * tree-flow.h (struct ptr_info_def): Add field
1979         is_dereferenced.
1980         (dump_points_to_info_for): Declare.
1981         (debug_points_to_info_for): Declare.
1982         * tree-optimize.c (init_tree_optimization_passes): Add a
1983         second alias analysis pass after DOM2.
1984         Move pass_del_pta to a later spot.
1985         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1986         create a name tags when we find a dereferenced pointer.  Just
1987         mark the pointer dereferenced.
1988         (collect_points_to_info_for): Move code to clear points-to
1989         information to create_name_tags.
1990         (create_name_tags): New function.
1991         (compute_flow_sensitive_aliasing): Call it.
1992         (setup_pointers_and_addressables): Mark type tags for renaming
1993         here instead of ...
1994         (create_memory_tag): ... here.
1995         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1996         (dump_points_to_info_for): Declare extern.
1997         (debug_points_to_info_for): New function.
1998
1999 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
2000
2001         * config/arc/arc.md: Switch to DFA-based scheduler description.
2002         * config/arc/arc.c: Switch to DFA-based scheduler description.
2003
2004 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2005
2006         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
2007         pointer.
2008
2009 2004-07-09  Richard Henderson  <rth@redhat.com>
2010
2011         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
2012         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2013         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
2014         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2015
2016         * config/v850/v850-protos.h (v850_va_arg): Remove.
2017         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2018         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
2019         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
2020         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
2021         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
2022
2023 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2024
2025         PR target/12133
2026         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
2027         and DImode to use +/-4k offset.
2028
2029 2004-07-09  Richard Henderson  <rth@redhat.com>
2030
2031         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
2032         Remove.
2033         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2034         (xstormy16_gimplify_va_arg_expr): Rewrite from
2035         xstormy16_expand_builtin_va_arg.
2036         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
2037
2038         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
2039         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
2040
2041         * config/sh/sh-protos.h (sh_va_arg): Remove.
2042         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2043         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
2044         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
2045
2046         * config/pa/pa-protos.h (hppa_va_arg): Remove.
2047         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2048         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
2049         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2050
2051         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
2052         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2053         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
2054         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
2055
2056 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2057
2058         * config/sparc/sparc.md (return): Rewrite length formula.
2059         * config/sparc/sparc.c (output_return): Pass 1 as 5th
2060         argument to final_scan_insn when in a delay slot.
2061         (output_sibcall): Likewise.
2062
2063 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2064
2065         * arm.c (arm_cpp_interwork): New variable.
2066         (arm_override_options): Set it if TARGET_INTERWORK was on the command
2067         line.
2068         * arm.h (arm_cpp_interwork): Declare it.
2069         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
2070         __THUMB_INTERWORK__ in the preprocessor.
2071
2072 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
2073
2074         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
2075
2076 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2077
2078         PR target/16416
2079         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
2080         Override default settings to account for -m32 and -m64.
2081
2082 2004-07-08  Randolph Chung  <tausq@debian.org>
2083
2084         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
2085
2086 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
2087
2088         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
2089         before comparing it as such.
2090
2091 2004-07-08  Richard Henderson  <rth@redhat.com>
2092
2093         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
2094         temporary.  Use bit arithmetic to align.
2095
2096 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
2097
2098         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
2099         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
2100         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2101         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
2102         add_labels_and_missing_jumps, find_jump_block,
2103         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2104         Likewise.
2105         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
2106         link_btr_uses, move_btr_def): Likewise.
2107         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
2108         expand_builtin_expect_jump): Likewise.
2109         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
2110         * calls.c (expand_call, emit_library_call_value_1): Likewise.
2111         * cfganal.c (forwarder_block_p): Likewise.
2112         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
2113         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
2114         find_bb_boundaries): Likewise.
2115         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2116         merge_blocks_move_predecessor_nojumps,
2117         merge_blocks_move_successor_nojumps, insns_match_p,
2118         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2119         try_optimize_cfg): Likewise.
2120         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
2121         * cfglayout.c (skip_insns_after_block, label_for_bb,
2122         record_effective_endpoints, insn_locators_initialize,
2123         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
2124         * cfgmainloop.c (create_loop_notes): Likewise.
2125         * cfgrtl.c (delete_insn, delete_insn_chain,
2126         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
2127         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
2128         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
2129         redirect_branch_edge, force_nonfallthru_and_redirect,
2130         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
2131         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
2132         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
2133         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
2134         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
2135         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
2136         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
2137         * combine.c (combine_instructions, can_combine_p, try_combine,
2138         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
2139         distribute_notes, distribute_links, insn_cuid): Likewise.
2140         * cse.c (fold_rtx, cse_insn, cse_around_loop,
2141         invalidate_skipped_block, cse_set_around_loop,
2142         cse_end_of_basic_block, cse_main, cse_basic_block,
2143         cse_condition_code_reg): Likewise.
2144         * cselib.c (cselib_process_insn): Likewise.
2145         * ddg.c (create_ddg): Likewise.
2146         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
2147         Likewise.
2148         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
2149         gen_label_die, dwarf2out_var_location): Likewise.
2150         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
2151         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
2152         last_call_insn, active_insn_p, next_label, prev_label,
2153         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
2154         add_insn_before, remove_insn, add_function_usage_to,
2155         reorder_insns, find_line_note, remove_unnecessary_notes,
2156         emit_insn_after_1, classify_insn): Likewise.
2157         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
2158         connect_post_landing_pads, sjlj_mark_call_sites,
2159         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
2160         can_throw_internal, can_throw_external, set_nothrow_function_flags,
2161         convert_to_eh_region_ranges): Likewise.
2162         * explow.c (optimize_save_area_alloca): Likewise.
2163         * expr.c (expand_expr_real): Likewise.
2164         * final.c (insn_current_reference_address, compute_alignments,
2165         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
2166         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
2167         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
2168         propagate_block_delete_insn, propagate_one_insn,
2169         init_propagate_block_info, propagate_block, libcall_dead_p,
2170         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
2171         Likewise.
2172         * function.c (instantiate_virtual_regs, reorder_blocks_1,
2173         expand_function_start, expand_function_end, contains,
2174         thread_prologue_and_epilogue_insns,
2175         reposition_prologue_and_epilogue_notes): Likewise.
2176         * gcse.c (constprop_register, bypass_conditional_jumps,
2177         insert_insn_end_bb, gcse_after_reload): Likewise.
2178         * genemit.c (gen_expand, gen_split): Likewise.
2179         * genpeep.c (gen_peephole, main): Likewise.
2180         * global.c (build_insn_chain): Likewise.
2181         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
2182         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
2183         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
2184         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
2185         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
2186         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
2187         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
2188         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
2189         dead_or_predicable): Likewise.
2190         * integrate.c (try_constants): Likewise.
2191         * jump.c (rebuild_jump_labels, cleanup_barriers,
2192         purge_line_number_notes, init_label_info, mark_all_labels,
2193         squeeze_notes, get_label_before, get_label_after,
2194         reversed_comparison_code_parts, simplejump_p, pc_set,
2195         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
2196         delete_barrier, delete_prior_computation, delete_computation,
2197         delete_related_insns, delete_for_peephole, redirect_jump):
2198         Likewise.
2199         * lcm.c (optimize_mode_switching): Likewise.
2200         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
2201         Likewise.
2202         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
2203         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
2204         * loop-iv.c (simplify_using_assignment): Likewise.
2205         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
2206         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
2207         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
2208         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
2209         check_insn_for_givs, check_final_value, update_giv_derive,
2210         basic_induction_var, product_cheap_p, check_dbra_loop,
2211         loop_insn_first_p, last_use_this_basic_block,
2212         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
2213         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
2214         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
2215         sms_schedule_by_order): Likewise.
2216         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
2217         * postreload.c (reload_cse_simplify_operands, reload_combine,
2218         reload_cse_move2add): Likewise.
2219         * predict.c (can_predict_insn_p, estimate_probability,
2220         expected_value_to_br_prob, process_note_predictions): Likewise.
2221         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
2222         * profile.c (branch_prob): Likewise.
2223         * ra-build.c (live_out_1, livethrough_conflicts_bb,
2224         detect_webs_set_in_cond_jump): Likewise.
2225         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
2226         ra_print_rtl_with_bb): Likewise.
2227         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
2228         * recog.c (next_insn_tests_no_inequality, find_single_use,
2229         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
2230         * reg-stack.c (next_flags_user, record_label_references,
2231         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
2232         compensate_edge, convert_regs_1): Likewise.
2233         * regclass.c (scan_one_insn): Likewise.
2234         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2235         regmove_optimize, fixup_match_1, single_set_for_csa,
2236         combine_stack_adjustments_for_block): Likewise.
2237         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
2238         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
2239         find_equiv_reg): Likewise.
2240         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
2241         reload_as_needed, emit_input_reload_insns, do_output_reload,
2242         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
2243         Likewise.
2244         * reorg.c (find_end_label, emit_delay_sequence,
2245         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
2246         get_jump_flags, rare_destination, mostly_true_jump,
2247         try_merge_delay_insns, redundant_insn, own_thread_p,
2248         fill_simple_delay_slots, fill_slots_from_thread,
2249         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
2250         dbr_schedule): Likewise.
2251         * resource.c (find_basic_block, next_insn_no_annul,
2252         find_dead_or_set_registers, mark_target_live_regs): Likewise.
2253         * rtl.h (RTX_PREV): Likewise.
2254         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
2255         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
2256         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
2257         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
2258         tablejump_p, computed_jump_p, insns_safe_to_move_p,
2259         find_first_parameter_load, can_hoist_insn_p): Likewise.
2260         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
2261         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
2262         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
2263         schedule_ebbs): Likewise.
2264         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
2265         is_conditionally_protected, can_schedule_ready_p,
2266         add_branch_dependences, debug_dependencies): Likewise.
2267         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
2268         Likewise.
2269         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
2270         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
2271         set_dominates_use, ujump_to_loop_cont): Likewise.
2272         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
2273         * varasm.c (output_constant_pool_1): Likewise.
2274
2275 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2276
2277         * tree-scalar-evolution.c: New file.
2278         * tree-scalar-evolution.h: New file.
2279         * tree-ssa-loop-niter.c: New file.
2280         * Makefile.in (SCEV_H): New.
2281         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
2282         * cfgloop.h (struct loop): Add bounds field.
2283         * tree-flow.h (struct tree_niter_desc): New type.
2284         (number_of_iterations_cond, number_of_iterations_exit,
2285         loop_niter_by_eval, find_loop_niter_by_eval,
2286         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
2287         free_numbers_of_iterations_estimates): Declare.
2288         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
2289         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
2290         * doc/invoke.texi (max-iterations-to-track): Document.
2291
2292 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2293
2294         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
2295         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
2296         (MODE_AFTER): Add cast appropriately.
2297         * config/sh/sh.md (movdi splitter): Likewise.
2298         (casesi_worker_2): Add const qualifier appropriately.
2299         (eh_return): Remove unused variable.
2300         (insv): Initialize v;
2301
2302 2004-07-08  Richard Henderson  <rth@redhat.com>
2303
2304         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
2305         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2306         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
2307         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
2308         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
2309
2310         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
2311         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2312         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
2313         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
2314
2315         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
2316         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2317         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
2318         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
2319
2320         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
2321         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2322         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
2323         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
2324
2325         * config/i860/i860-protos.h (i860_va_arg): Remove.
2326         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2327         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
2328         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
2329
2330 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2331
2332         * system.h: Prototype getpagesize if missing.
2333         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
2334         * configure: Regenerate.
2335         * config.in: Regenerate.
2336
2337 2004-07-08  Richard Henderson  <rth@redhat.com>
2338
2339         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
2340         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2341         (fr30_gimplify_va_arg_expr): New.
2342         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
2343         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
2344
2345 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
2346
2347         PR target/16414
2348         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
2349         of asm_noperands result.
2350
2351 2004-07-08  Richard Henderson  <rth@redhat.com>
2352
2353         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
2354         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2355         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
2356         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
2357
2358 2004-07-08  Richard Henderson  <rth@redhat.com>
2359
2360         * builtins.c (ind_gimplify_va_arg_expr): New.
2361         * tree.h (ind_gimplify_va_arg_expr): Declare.
2362         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
2363
2364 2004-07-08  Jan Beulich  <jbeulich@novell.com>
2365
2366         * expmed.c (extract_bit_field): Correct condition to use vec_extract
2367         patterns also on vector elements other than the first one.
2368         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
2369         break statements.
2370
2371 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
2372
2373         * config/rs6000/darwin-ldouble.c: Correct reference
2374         to the Linnainmaa paper.
2375
2376 2004-07-08  Richard Henderson  <rth@redhat.com>
2377
2378         * config/arc/arc-protos.h (arc_va_arg): Remove.
2379         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2380         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
2381         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2382
2383         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
2384         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2385         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
2386         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
2387
2388 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2389
2390         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
2391
2392 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2393
2394         * c-decl.c (static_ctors, static_dtors): Make static.
2395         (pop_file_scope): Call c_common_write_pch and
2396         cgraph_finalize_compilation_unit here.
2397         (build_cdtor): Moved here from c-objc-common.c; simplify.
2398         (c_write_global_declarations_1): Clarify comment.
2399         (c_write_global_declarations): Close the external scope before
2400         doing anything else.  Call build_cdtor, cgraph_optimize, and
2401         mudflap_finish_file here.
2402         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
2403         Clarify comment.
2404         * c-objc-common.c: No need to include cgraph.h.
2405         (build_cdtor): Moved to c-decl.c.
2406         (c_objc_common_finish_file): Delete.
2407         * c-tree.h: Update to match.
2408         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
2409         (generate_static_references): Set TREE_USED before calling finish_decl.
2410         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
2411         on the static_instances_decl.
2412
2413 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2414
2415         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
2416         decls when there is only one input translation unit.
2417         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
2418         change of 2004-07-05; do not treat declarations with
2419         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
2420         * opts.c (cur_in_fname): Delete.
2421         * opts.h: Likewise.
2422         * tree.c: Revert changes of 2004-07-05; no special treatment
2423         for TRANSLATION_UNIT_DECLs.
2424         * Makefile.in (tree.o): Update dependencies.
2425
2426 2004-07-08  Roger Sayle  <roger@eyesopen.com>
2427
2428         * builtins.c (fold_builtin_strcpy): Merge functionality from
2429         simplify_builtin_strcpy.  Add additional len argument.  No longer
2430         static.  Remove function prototype.
2431         (fold_builtin_strncpy): Likewise integrate functionality from
2432         simplify_builtin_strncpy.  Add additional slen argument.  No
2433         longer static.  Remove function prototype.
2434         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
2435         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
2436         types of "ignore" and "unlocked" parameters to bool.
2437         (fold_builtin_1):  Add additional ignore argument.  Call renamed
2438         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
2439         builtins.  Update arguments to fold_builtin_strncpy and
2440         fold_builtin_strcpy.  Add function prototype.
2441         (fold_builtin): Add additional Boolean ignore argument to pass
2442         to fold_builtin_1.
2443         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
2444         and fold_builtin_strncpy instead of simplify_builtin_fputs,
2445         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
2446
2447         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
2448         simplify_builtin_strncpy): Delete function prototypes.
2449         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
2450         fold_builtin_strncpy): Add function prototypes here.
2451         (fold_builtin): Update function prototype with new "bool ignore".
2452
2453         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
2454         (ccp_fold_builtin):  Update call to fold_builtin.  Call
2455         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
2456         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
2457         simplify_builtin_strncpy respectively.
2458         * fold-const.c (fold): Update call to fold_builtin.
2459
2460 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2461
2462         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
2463         to strcpy.
2464
2465         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
2466         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
2467         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
2468         * calls.c: Remove ifdefs of macros above.
2469         * functions.c: Likewise.
2470         * expr.c: Likewise.
2471
2472 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2473
2474         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
2475         (arch attribute): Delete.
2476         (current_function_calls_alloca attribute): Rename into calls_alloca.
2477         (calls_eh_return): New attribute.
2478         (leaf_function): Likewise.
2479         (length attribute): Fix formula for sibcalls.
2480         (return insn): Correctly compute the 'length' attribute.
2481         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
2482
2483 2004-07-08  Richard Henderson  <rth@redhat.com>
2484
2485         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
2486         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
2487         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
2488         * tree-eh.c (lower_eh_constructs_1): Likewise.
2489         * tree-sra.c (sra_walk_modify_expr): Likewise.
2490         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2491         (eliminate_unnecessary_stmts): Likewise.
2492         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2493         * tree-tailcall.c (optimize_tail_call): Likewise.
2494         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
2495
2496 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2497             Jakub Jelinek  <jakub@redhat.com>
2498
2499         * config/i386/i386.c (override_options): Enable
2500         SSE prefetches with -mtune, as long as we are
2501         compiling for i686 or higher.  All i686 processors
2502         accept SSE prefetches as NOPS, some i586's don't.
2503
2504 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2505
2506         PR target/10567
2507         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
2508
2509 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2510
2511         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
2512         the handling of clobbering ASM_EXPRs.
2513
2514 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2515
2516         PR target/16430
2517         * config/sparc/sparc.c (function_value): In 64-bit mode,
2518         return the aggregates larger than 16 bytes like unions.
2519
2520 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2521
2522         PR target/16199
2523         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
2524         'temp' is zero, generate new pseudos as needed and emit the
2525         sequence of insns in single-assignment form.  Resync comments
2526         with code.
2527         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
2528         function before reload.
2529
2530 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
2531
2532         * vec.c (vec_assert_fail): Remove duplicate 'function'.
2533
2534         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
2535
2536         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
2537         Allocation is signed.
2538         (VEC_reserve): Return flag, allocation is signed.
2539
2540 2004-07-08  Richard Henderson  <rth@redhat.com>
2541
2542         * tree-ssa-ccp.c (fold_stmt): Get type directly from
2543         OBJ_TYPE_REF_OBJECT.
2544
2545 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2546             Neil Booth  <neil@daikokuya.co.uk>
2547
2548         PR c/2511
2549         PR c/3325
2550         * c-decl.c (finish_struct): Ensure bit-fields are given the
2551         correct type.
2552         * c-common.c (c_common_signed_or_unsigned_type): For C, require
2553         the precision to match as well as the mode.
2554         * expr.c (reduce_to_bit_field_precision): New function.
2555         (expand_expr_real_1): Reduce expressions of bit-field type to
2556         proper precision.
2557         * langhooks.h (reduce_bit_field_operations): New hook.
2558         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2559         Define.
2560         * c-lang.c, objc/objc-lang.c
2561         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
2562         * objc/objc-act.c (check_ivars): Convert types to bit-field types
2563         before checking.
2564         * tree.c (build_nonstandard_integer_type): New function.
2565         * tree.h (build_nonstandard_integer_type): New prototype.
2566         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
2567         conversions between integer and boolean types as useless.
2568
2569 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2570
2571         * c-common.c (c_common_nodes_and_builtins): Do not
2572         create __builtin_ptrdiff_t and __builtin_size_t.
2573
2574 2004-07-08  Andrew Pinski  <apinski@apple.com>
2575
2576         * Makefile.in (libbackend.o): Add -combine to the gcc
2577         command line.
2578
2579 2004-07-08  Nick Clifton  <nickc@redhat.com>
2580
2581         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
2582         Set to -Os.
2583
2584 2004-07-08  Richard Henderson  <rth@redhat.com>
2585
2586         * except.c (expand_eh_region_start, expand_eh_region_end,
2587         expand_eh_handler, expand_eh_region_end_cleanup,
2588         expand_start_all_catch, expand_start_catch, expand_end_catch,
2589         expand_end_all_catch, expand_eh_region_end_allowed,
2590         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
2591         expand_eh_region_end_fixup): Remove.
2592         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
2593         cleanups, outer_cleanups, label_chain, exception_region.
2594         (struct goto_fixup): Remove stack_level, cleanup_list_list.
2595         (struct label_chain): Remove.
2596         (struct stmt_status): Remove x_stack_block_stack.
2597         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
2598         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
2599         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
2600         end_cleanup_deferral, last_cleanup_this_contour,
2601         containing_blocks_have_cleanups_or_stack_level,
2602         any_pending_cleanups): Remove.
2603         (expand_null_return_1): Take no arguments.
2604         (expand_label, expand_naked_return, expand_return,
2605         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
2606         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
2607         expand_end_case_type): Don't use any of them.
2608         * calls.c (expand_call): Likewise.
2609         * dojump.c (do_jump): Likewise.
2610         * function.c (expand_function_end): Likewise.
2611         * expr.c (store_expr, expand_expr_real_1): Likewise.
2612         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
2613         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
2614         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
2615         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
2616         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
2617         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
2618         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
2619         for WITH_CLEANUP_EXPR.
2620         (gimple_push_cleanup): Likewise.
2621         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2622         * print-tree.c (print_node): Likewise.
2623         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2624         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2625         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2626         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2627         (GOTO_SUBROUTINE_EXPR): Remove.
2628         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2629         (DECL_TOO_LATE): Remove.
2630         * except.h, tree.h: Update decls.
2631
2632 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2633
2634         * explow.c (optimize_save_area_alloca): Do not accept parameters.
2635         * passes.c (rest_of_handle_final): Handle symout.
2636         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
2637         Push timevar here.
2638         (rest_of_handle_sched): Break out SMS.  Remove ifs for
2639         flag_schedule_insns and flag_modulo_sched.
2640         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
2641         collect at the end.
2642         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
2643         (rest_of_handle_partition_blocks, rest_of_handle_sms,
2644         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
2645         rest_of_handle_mode_switching, rest_of_handle_jump,
2646         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
2647         rest_of_handle_jump2, rest_of_handle_postreload,
2648         rest_of_handle_flow2, rest_of_clean_state,
2649         rest_of_handle_shorten_branches,
2650         rest_of_handle_prologue_epilogue,
2651         rest_of_handle_branch_target_load_optimize): New.
2652         (rest_of_compilation): Call the above.  Remove ggc_collect
2653         calls moved to rest_of_handle_*.
2654         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
2655
2656         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
2657         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
2658         * except.h (set_nothrow_function_flags): Update comment.
2659         * function.c (current_function_nothrow): Remove.
2660         * output.h (current_function_nothrow): Remove.
2661         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
2662         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
2663
2664 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2665
2666         PR bootstrap/16326
2667         * reorg.c: Revert 2004-06-30 change.
2668         (find_end_label): If HAVE_epilogue and !HAVE_return,
2669         return 0 instead of creating a label at the end of the insn chain.
2670         (optimize_skip): Account for the failure mode of find_end_label.
2671         (fill_simple_delay_slots): Likewise.
2672         (fill_slots_from_thread): Likewise.
2673         (relax_delay_slots): Likewise.
2674
2675 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2676
2677         * tree-flow.h (addressable_vars): Declare.
2678         * tree-ssa-alias.c (addressable_vars): Define.
2679         (setup_pointers_and_addressables): Add addressable variables
2680         to addressable_vars.
2681         * tree-ssa-operands.c (get_stmt_operands): Move
2682         handling of ASM_EXPRs ...
2683         (get_asm_expr_operands): ... here.
2684         When the ASM_EXPR clobbers memory, also clobber addressable
2685         variables.
2686         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2687         (delete_tree_ssa): Reset addressable_vars.
2688
2689 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2690             Richard Henderson  <rth@redhat.com>
2691
2692         * varasm.c (assemble_variable): Use assemble_zeros for
2693         zero-initialized variables.
2694         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2695         for SECCAT_BSS and SECCAT_TBSS.
2696
2697 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2698
2699         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2700
2701         * expmed.c (emit_store_flag): Also special-case double-word
2702         (in-)equality comparison against -1.
2703
2704         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2705         passing arguments the containers for which are registers.
2706
2707         * calls.c (emit_library_call_value_1): Use mode of function parameter
2708         rather than that of argument since constants have none.
2709
2710 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2711
2712         Introduce H8SX support.
2713         * expr.c (expand_strcpy): Renamed and moved to...
2714         * builtins.c (expand_movstr): ... here.  Tweak.
2715         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2716         computed or has side effects.
2717         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2718         unused, or if mempcpy fails.  Adjust the return value in the
2719         latter case.  Use movstr if everything else fails.
2720         * doc/md.texi (movstr): Document.
2721         (movmemM, clrmemM): Fix explanation of memory block operands.
2722         * config/h8300/h8300.md (stpcpy): Renamed to...
2723         (movstr): ... this.  Adjust.
2724         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2725         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2726         movmem* and clrstr* to clrmem*.
2727         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2728         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2729         GENERAL_REGS, always.
2730         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2731         getting the stack pointer as addr.
2732         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2733         from general_operand_dst.
2734         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2735         variant of...
2736         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2737         instead of requiring it to match only before reload.
2738         (stpcpy_internal_normal): New, normal-mode variant of...
2739         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2740         `D' instead of requiring it to match only before reload.
2741         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2742         mode argument.
2743         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2744         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2745         h8300_get_index.
2746         * config/h8300/h8300.md (attr type): Add call.
2747         (attr can_delay): If type is call, set it no.
2748         (call, call_value): Set type to call.
2749         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2750         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2751         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2752         * tree.c (get_narrower): Don't narrow integral types into
2753         non-integral types.
2754         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2755         frame_size *before* the first use.
2756         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2757         on input.
2758         (peephole2): Don't widen instructions that push SP.  Move
2759         decrement of SP to the end of all stm-generating peepholes.
2760         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2761         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2762         and OR to set it to all ones.
2763         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2764         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2765         (call, call_value): Set can_delay to "no".
2766         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2767         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2768         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2769         * config/h8300/h8300.md (*brabit): Remove.
2770         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2771         zero_extract.  Use bit_memory_operand as the predicate for
2772         operand 1 and 'WU' as the constraint.  Check the difference
2773         between the base length and the final one when deciding which
2774         type of branch to use.
2775         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2776         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2777         Use convert_move to extend the result for TARGET_H8300SX.  Check
2778         for QImode memory references.  Optimize the case where the
2779         destination is a paradoxical subreg.
2780         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2781         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2782         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2783         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2784         * config/h8300/h8300.md: Include mova.md
2785         (length_table): Add mova and mova_zero.
2786         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2787         after all constant addresses for '%R', '%X', '%T' and '%S'.
2788         (h8300_mova_length): New function.
2789         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2790         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2791         dependencies for s-config, etc.
2792         * config/h8300/gemova.sh: New file.
2793         * config/h8300/mova.md: Generated.
2794         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2795         * config/h8300/h8300.c (h8300_bitfield_length): New.
2796         (nibble_operand): Adjust.
2797         (h8300_binary_length): Handle conditional binary op.
2798         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2799         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2800         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2801         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2802         constraints.  WU is introduced as a variant of U that requires a
2803         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2804         * config/h8300/h8300.md (attr type): Added bitbranch.
2805         (attr length_table): Added bitfield and bitbranch.
2806         (attr length): Compute bitbranch length.
2807         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2808         least-significant bit of a byte.
2809         (brabit, brabc, brabs): New.
2810         (insv, extzv): Emit bfst and bfld on H8300SX.
2811         (bfld, bfst, seq, sne): New.
2812         (bstzhireg, cmpstz, bstz, bistz): New.
2813         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2814         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2815         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2816         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2817         (h8sx_unary_memory_operator): New function.
2818         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2819         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2820         * config/h8300/h8300.md: Add peepholes to combine reloads and
2821         arithmetic insns.
2822         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2823         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2824         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2825         (and?i, ior?i, xor?i): Likewise.
2826         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2827         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2828         Various whitespace fixes.
2829         (h8300_constant_length): New function, split out from...
2830         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2831         (h8300_classify_operand): Use IN_RANGE.
2832         (h8300_classify_operand): Use h8300_constant_length.
2833         (h8300_short_move_mem_p): Tighten size check.
2834         (h8sx_mergeable_memrefs_p): Tighten equality check.
2835         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2836         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2837         for -msx.
2838         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2839         * config/h8300/crtn.asm: Likewise.
2840         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2841         if __H8300SX__ is defined.
2842         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2843         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2844         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2845         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2846         addresses as mode-dependent.
2847         * config/h8300/h8300.c (print_operand_address): Update call to
2848         h8300_get_index.
2849         (h8300_get_index): Take a mode argument.  Rework to fix an
2850         earlier misunderstanding.
2851         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2852         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2853         into a register if TARGET_H8300SX.
2854         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2855         TARGET_H8300SX.  Also disable related define_splits.
2856         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2857         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2858         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2859         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2860         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2861         (EXTRA_CONSTRAINT_STR): Check it.
2862         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2863         class arguments.
2864         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2865         * config/h8300/h8300.md (length_table): Add mov_imm4.
2866         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2867         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2868         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2869         be a label.
2870         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2871         * config/h8300/h8300.c (h8300_reorg): New function.
2872         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2873         * config/h8300/h8300.md (length): Subtract the length of the
2874         delay slot from (pc) when checking the range of forward branches.
2875         (delay_slot, can_delay): New attributes.
2876         (define_delay): Add bra/s handling.
2877         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2878         (jump): Add delayed-branch handling.
2879         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2880         * expr.c (expand_strcpy): New function.
2881         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2882         (expand_builtin_stpcpy): Likewise.
2883         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2884         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2885         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2886         handling to improve register allocation for -fno-omit-frame-pointer.
2887         (h8sx_split_movmd): Delete, moving er6 handling into...
2888         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2889         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2890         (movmd): Add calls to copy_rtx.
2891         (movmd_internal): In the second alternative, allow the initial and
2892         final destination registers to be different .  Update the splitter
2893         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2894         instead of h8sx_split_movmd.
2895         (stpcpy, movsd): New expanders.
2896         (movsd_internal): New define_insn.
2897         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2898         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2899         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2900         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2901         and DESTINATION_REGS.
2902         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2903         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2904         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2905         (h8300_move_ratio): Declare.
2906         (MOVE_RATIO): Use it.
2907         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2908         (h8300_init_once): Initialize it.
2909         (h8300_reg_class_from_letter): New function.
2910         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2911         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2912         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2913         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2914         (movstrsi, movmd): New expanders.
2915         (movmd_internal): New insn.
2916         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2917         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2918         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2919         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2920         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2921         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2922         * config/h8300/h8300.c (nibble_operand): Fix warning.
2923         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2924         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2925         (movsf_h8300h): Disable for TARGET_H8300SX.
2926         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2927         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2928         h8300_stm_parallel and h8300_return_parallel.
2929         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2930         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2931         h8300_stm_parallel, h8300_return_parallel): New functions.
2932         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2933         if TARGET_H8300SX.  Use h8300_push_pop.
2934         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2935         and final pop when generating h8sx code.  Always emit some form
2936         of return insn.
2937         * config/h8300/h8300.md: Don't enforce register alignment in
2938         stm peepholes if TARGET_H8300SX.
2939         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2940         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2941         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2942         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2943         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2944         (MULTILIB_DIRNAMES): Add a directory for it.
2945         (MULTILIB_MATCHES): Delete.
2946         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2947         * final.c (walk_alter_subreg): Handle addresses with subregs
2948         inside a ZERO_EXTEND or AND.
2949         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2950         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2951         if TARGET_H8300SX.
2952         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2953         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2954         @(dd,Rn.w) and @(dd,ERn.L).
2955         (h8300_displacement_size): Take the whole address as argument.
2956         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2957         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2958         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2959         (h8sx_mergeable_memrefs_p): Declare.
2960         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2961         (HAVE_PRE_INCREMENT): Likewise.
2962         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2963         addresses for TARGET_H8300SX,
2964         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2965         and POST_DEC.
2966         (movb_length_table, movl_length_table): New tables.
2967         (movw_length_table): Define to movb_length_table.
2968         (h8300_displacement_size): New, split out from...
2969         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2970         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2971         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2972         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2973         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2974         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2975         (h8sx_unary_shift_operator): Get the mode from the operator.
2976         (binary_shift_operator): Likewise.
2977         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2978         a memory reference, check whether the reference is offsettable.
2979         (length_table): Add movb, movw and movl.
2980         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2981         register when generating h8sx code.
2982         (movhi, movsi, movsf): Likewise.
2983         (movstrictqi): Use the length_table attribute.
2984         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2985         (addqi3): Split into a define_expand and define_insn.  Don't accept
2986         memory operands in the expander.  Use h8300_operands_match_p to
2987         check for matching operands in the define_insn.
2988         (subqi3, negqi2, one_cmplqi2): Likewise.
2989         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2990         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2991         use h8300_operands_match_p to check whether operands match.
2992         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2993         one_cmpl[hs]i3): Likewise.
2994         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2995         in the expander.
2996         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2997         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2998         (h8300_insn_length_from_table): Add a second parameter.
2999         (output_h8sx_shift): Declare.
3000         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
3001         (EXTRA_CONSTRAINT): Replace with...
3002         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
3003         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
3004         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
3005         and h8sx_binary_shift_operator.
3006         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
3007         for TARGET_H8300SX.
3008         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
3009         (bit_memory_operand, fix_bit_operand): Likewise.
3010         (h8300_length_table_for_insn): Remove.
3011         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
3012         instructions.
3013         (h8300_short_immediate_length, h8300_binary_length): New functions.
3014         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
3015         (output_plussi): Use sub to add negative constants.
3016         (compute_plussi_length): Adjust accordingly.
3017         (h8sx_single_shift_type): New enum.
3018         (h8sx_single_shift, h8sx_unary_shift_operator,
3019         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
3020         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
3021         single h8sx instruction.  Return false in this case.
3022         * config/h8300/h8300.md (length_table): Add short_immediate.
3023         (length): Pass the operand array to h8300_insn_length_from_table.
3024         (adjust_length): Assume "no" for insns with a length_table attribute.
3025         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
3026         (*addhi3_h8300hs): Don't use for h8sx.
3027         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
3028         and sub.w #xx:3.
3029         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
3030         1's predicate to nonimmediate_operand.  Only skip default expansion
3031         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
3032         for single h8sx shift instructions.
3033         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
3034         * config/h8300/h8300.c (nibble_operand): Split out of...
3035         (reg_or_nibble_operand): ... this.
3036         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
3037         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
3038         umulhisi3): Introduce expand, and introduce separate insns for
3039         sign- or zero-extended REG and already-extended CONST_INT.
3040         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
3041         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
3042         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
3043         (subhi3): Likewise.  Don't accept immediates for operand 1.
3044         Remove the early clobber from second alternative of the h8300s pattern.
3045         (subsi3): Generalize for h8sx.  Force operand 2 into a register
3046         on plain h8300 targets.
3047         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
3048         (subsi3_h8300h): Generalize for h8sx.
3049         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
3050         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
3051         * config/h8300/h8300.c (reg_or_nibble_operand): New.
3052         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
3053         (TARGET_H8300SXMUL): New.
3054         (CONST_OK_FOR_P): New.
3055         (CONST_OK_FOR_LETTER_P): Adjust.
3056         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
3057         umulhisi3): Accept 4-bit immediate on H8SX.
3058         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
3059         (udivsi3, divhi3, udivsi3, divsi3): New.
3060         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
3061         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
3062         * config/h8300/h8300.h (OK_FOR_Q): New macro.
3063         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
3064         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
3065         Add ADDRESSOF to the bit_operand entry.
3066         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
3067         (h8300_src_operand): Likewise.
3068         (bit_operand): Check nonimmediate_operand rather than general_operand.
3069         Accept any nonimmediate_operand in h8sx code.
3070         (h8300_and_costs): Initialize operands[1].
3071         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
3072         (h8300_operand_class): New enum.
3073         (h8300_length_table): New typedef.
3074         (addb_length_table, addw_length_table, addl_length_table,
3075         logicl_length_table): New tables.
3076         (logicb_length_table, logicw_length_table): New macros.
3077         (h8300_classify_operand, h8300_length_from_table,
3078         h8300_length_table_for_insn, h8300_unary_length,
3079         h8300_insn_length_from_table): New functions.
3080         (output_plussi): Only use adds and subs for register destinations.
3081         Disable redundant clause.
3082         (compute_plussi_cc): Likewise.
3083         (compute_plussi_length): Likewise.  Use h8300_length_from_table
3084         to work out the length of an insn.
3085         (output_logical_op): Only use narrower immediate instructions
3086         if the destination is a register.
3087         (compute_logical_op_cc): Likewise.
3088         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
3089         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
3090         * config/h8300/h8300.md (length_table): New attribute.
3091         (length): When an instruction has a length_table attribute, use
3092         h8300_insn_length_from_table to calculate its default length.
3093         (cmpqi): Use h8300_dst_operand for the first operand and
3094         h8300_src_operand for the second.
3095         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
3096         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
3097         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
3098         iorsi3, xorhi3, xorsi3): Likewise.
3099         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
3100         so that it allows any combination of operands for TARGET_H8300SX.
3101         (iorqi3, xorqi3): Likewise.
3102         (cmpqi): Use the length_table attribute.
3103         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
3104         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
3105         (cmpqi): Add 'Q' constraint.
3106         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
3107         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
3108         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
3109         * config/h8300/h8300.h (MASK_H8300SX): New macro.
3110         (TARGET_H8300S): True for both -ms and -msx.
3111         (TARGET_H8300SX): New macro.
3112         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
3113         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
3114         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
3115         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
3116         [Temporary change.]
3117         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
3118         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
3119         16-bit pointers and 32-bit ints.
3120         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
3121         CONST_DOUBLE with mode no wider than SImode.
3122         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
3123         output operand.
3124         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
3125         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
3126         or SUBREG thereof.
3127         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
3128         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
3129         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
3130
3131 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3132
3133         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
3134
3135 2004-07-07  Per Bothner  <per@bothner.com>
3136
3137         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
3138
3139 2004-07-07  Mike Stump  <mrs@apple.com>
3140
3141         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
3142         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
3143         (machopic_finish): Likewise.
3144
3145 2004-07-07  Richard Henderson  <rth@redhat.com>
3146
3147         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
3148         through any value-preserving cast.
3149
3150 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3151
3152         * function.c (assign_parm_find_data_types): Call
3153         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
3154
3155 2004-07-07  Steven Bosscher  <stevenb@suse.de>
3156
3157         * tree-cfg.c (group_case_labels): Remove case labels that have
3158         the same target as the default case.
3159
3160 2004-07-07  Steven Bosscher  <stevenb@suse.de>
3161
3162         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
3163         regardless of DECL_LANG_SPECIFIC being present or not.
3164         * tree.h (DECL_NUM_STMTS): Purge.
3165
3166 2004-07-07  Andrew Pinski  <apinski@apple.com>
3167
3168         * configure: Regenerate with the right autoconf.
3169
3170 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
3171
3172         * ifcvt.c (total_bb_rtx_cost): New function.
3173         (find_if_case_1): Compare rtx_cost of basic block to cost of
3174         BRANCH_COST insns.
3175         (find_if_case_2): Same.
3176
3177 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3178
3179         PR target/10567
3180         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
3181         (output_return): Likewise.
3182         (output_sibcall): Abort if !flag_delayed_branch.
3183         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
3184         (emit_and_preserve): New function.
3185         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
3186         indirect jump to the thunked-to function if !flag_delayed_branch.
3187         * config/sparc/sparc.md (delayed_branch): New attribute.
3188         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
3189         attribute to compute the length of the insn.
3190         (goto_handler_and_restore): Likewise.
3191
3192 2004-07-07  Andrew Pinski  <apinski@apple.com>
3193
3194         PR tree-optimization/15777
3195         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
3196
3197         * expr.c (expand_expr_real_1): Fix formating.
3198         BUFFER_REF and IN_EXPR are dead.
3199         * fold-const.c (non_lvalue): BUFFER_REF is dead.
3200         * tree-inline.c (estimate_num_insns_1): Likewise.
3201         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
3202         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
3203         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
3204
3205 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
3206
3207         * collect2.c (dump_file): Don't call cplus_demangle if
3208         HAVE_LD_DEMANGLE is defined.
3209         (main): Pass "--demangle" to ld if no_demangle is not 0 and
3210         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
3211         if HAVE_LD_DEMANGLE is defined.
3212
3213         * configure.ac (--with-demangler-in-ld): Added
3214         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
3215         --with-demangler-in-ld is used.
3216         * config.in: Regenerated.
3217         * configure: Likewise.
3218
3219 2004-07-07  Roger Sayle  <roger@eyesopen.com>
3220
3221         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
3222         for simple floating point operations "fp", double precision
3223         multiplication "dmul", and single and double precision division
3224         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
3225         (ppc630_cost): New table split from ppc620_cost, to distinguish
3226         differences in floating point latencies.
3227         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
3228         (rs6000_rtx_costs): Add support for single and double precision
3229         floating point addition, subtraction, multiplication, division,
3230         fused-multiply-add, fused-multiply-sub, negation, absolute value
3231         and negative absolute value.  Tweak MEM case to use prefered idiom.
3232
3233 2004-07-07  Richard Henderson  <rth@redhat.com>
3234
3235         * tree-flow-inline.h (may_propagate_copy): Move...
3236         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
3237         attempt to copy between types requiring conversion.
3238         * tree-flow.h (may_propagate_copy): Update decl.
3239         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
3240
3241 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
3242
3243         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
3244         from -mtune= option.
3245
3246 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3247
3248         * builtins.c: Rename movstr*, except for movstrict*, to
3249         movmem* and clrstr* to clrmem*.
3250         * expr.c: Likewise.
3251         * expr.h: Likewise.
3252         * genopinit.c: Likewise.
3253         * integrate.c: Likewise.
3254         * local-alloc.c: Likewise.
3255         * optabs.c: Likewise.
3256         * optabs.h: Likewise.
3257         * config/alpha/alpha.h: Likewise.
3258         * config/alpha/alpha.md: Likewise.
3259         * config/arm/arm-protos.h: Likewise.
3260         * config/arm/arm.c: Likewise.
3261         * config/arm/arm.md: Likewise.
3262         * config/avr/avr.md: Likewise.
3263         * config/c4x/c4x.c: Likewise.
3264         * config/c4x/c4x.md: Likewise.
3265         * config/frv/frv.md: Likewise.
3266         * config/i386/i386-protos.h: Likewise.
3267         * config/i386/i386.c: Likewise.
3268         * config/i386/i386.h: Likewise.
3269         * config/i386/i386.md: Likewise.
3270         * config/i860/i860.c: Likewise.
3271         * config/i860/i860.md: Likewise.
3272         * config/ip2k/ip2k.md: Likewise.
3273         * config/ip2k/libgcc.S: Likewise.
3274         * config/ip2k/t-ip2k: Likewise.
3275         * config/m32r/m32r.c: Likewise.
3276         * config/m32r/m32r.md: Likewise.
3277         * config/mcore/mcore.md: Likewise.
3278         * config/mips/mips.c: Likewise.
3279         * config/mips/mips.md: Likewise.
3280         * config/ns32k/ns32k.c: Likewise.
3281         * config/ns32k/ns32k.h: Likewise.
3282         * config/ns32k/ns32k.md: Likewise.
3283         * config/pa/pa.c: Likewise.
3284         * config/pa/pa.md: Likewise.
3285         * config/pdp11/pdp11.h: Likewise.
3286         * config/pdp11/pdp11.md: Likewise.
3287         * config/rs6000/rs6000.c: Likewise.
3288         * config/rs6000/rs6000.md: Likewise.
3289         * config/s390/s390-protos.h: Likewise.
3290         * config/s390/s390.c: Likewise.
3291         * config/s390/s390.md: Likewise.
3292         * config/sh/lib1funcs.asm: Likewise.
3293         * config/sh/sh.c: Likewise.
3294         * config/sh/sh.md: Likewise.
3295         * config/sh/t-sh: Likewise.
3296         * config/sparc/sparc.h: Likewise.
3297         * config/vax/vax.md: Likewise.
3298         * config/xtensa/xtensa.c: Likewise.
3299         * config/xtensa/xtensa.md: Likewise.
3300         * doc/invoke.texi: Likewise.
3301         * doc/md.texi: Likewise.
3302         * doc/rtl.texi: Likewise.
3303
3304 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
3305
3306         PR target/16407
3307         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
3308         * config/mips/mips.c (mips_declare_common_object): New function,
3309         mostly split out from...
3310         (mips_output_aligned_decl_common): ...here.
3311         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
3312         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
3313         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
3314         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
3315
3316 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3317
3318         PR c/16392
3319         * function.c (assign_parms): Fix typo from previous change.
3320
3321 2004-07-07  Jason Merrill  <jason@redhat.com>
3322
3323         PR c++/15815
3324         * doc/extend.texi (C++ Interface): Correct information and
3325         discourage use.
3326
3327 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
3328
3329         PR target/16130
3330         PR target/16142
3331         PR target/16143
3332         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
3333         insn.
3334
3335 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3336
3337         PR target/1679.
3338         * config/m32r/m32r.c (m32r_function_symbol): New function:
3339         Generate a symbol name RTX with the correct m32r specific flags
3340         set.
3341         (block_move_call): Use new function to generate correct symbol.
3342         * config/m32r/m32r-protos.h: Add prototype for new funcion.
3343         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
3344         function.
3345
3346 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3347
3348         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
3349         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
3350         TYPE_BINFO_BASETYPE): Remove.
3351         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
3352         to ...
3353         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
3354         here.