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* config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2             Catherine Moore  <clm@redhat.com>
3
4         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
5         (FRV_CPU_FR405): New processor enums.
6         (frv_issue_rate, frv_acc_group): Declare.
7         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
8         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
9         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
10         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
11         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
12         handled by CPP_SPEC.
13         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
14         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
15         (ACC_MASK): New macro.
16         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
17         (TARGET_MEDIA_FR450): New macro.
18         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
19         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
20         (LABEL_ALIGN_AFTER_BARRIER): Define.
21         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
22         (IACC_FIRST, IACC_LAST): New pair of SPRs.
23         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
24         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
25         (REGISTER_NAMES): Add entries for new registers.
26         (REG_CLASS_CONTENTS): Update for new register ranges.
27         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
28         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
29         (PACKING_FLAG_USED_P): Delete.
30         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
31         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
32         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
33         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
34         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
35         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
36         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
37         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
38         (CPU_UNITS_QUERY): Define to 1.
39         * config/frv/frv.c: Include gt-frv.h
40         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
41         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
42         (frv_insn_group): New enumeration.
43         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
44         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
45         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
46         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
47         gap left by REGSTATE_LIVE.
48         (regstate_t): New typedef.
49         (TARGET_MACHINE_DEPENDENT_REORG): Define.
50         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
51         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
52         Initialize frv_unit_codes[] and frv_type_to_unit[].
53         (frv_conditional_register_usage): Remove redundant fixing of
54         accumulator registers.
55         (frv_insn_packing_flag): Update specification.
56         (frv_function_prologue): Don't set frv_insn_packing_flag here.
57         Zero out frv_nops[].
58         (frv_expand_epilogue): Remove comments about the no-longer-present
59         SIBCALL_P argument.
60         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
61         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
62         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
63         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
64         packing is disabled and if INSN can only issue to M1.
65         (call_operand): Check TARGET_LONG_CALLS.
66         (acc_operand, even_acc_operand, quad_acc_operand)
67         (accg_operand): Simplify.  Don't accept pseudo registers.
68         (output_move_single): Handle SPR<-zero moves.
69         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
70         (frv_registers_update, frv_registers_used_p): Delete.
71         (frv_registers_set_p): Delete.
72         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
73         (frv_issues_to_branch_unit_p): New function.
74         (frv_packet): New structure.
75         (frv_cond_flags, frv_regstate_conflict_p): New functions.
76         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
77         (frv_registers_update_1, frv_registers_update): New functions.
78         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
79         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
80         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
81         (frv_sort_insn_group, frv_reorder_packet): New functions.
82         (frv_pack_insns): Use frv_reorder_packet.
83         (frv_packet_address): New variable.
84         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
85         (frv_register_nop, frv_reorg): New functions.
86         (bdesc_1arg): Add __SCUTSS.
87         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
88         __SUBSS, __SLASS and __SCAN.
89         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
90         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
91         (frv_init_builtins): Register the above builtins.
92         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
93         registers.  Turn the referenced accumulators into global registers.  
94         (frv_read_iacc_argument): New function.
95         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
96         (frv_split_iacc_move): New function.
97         (frv_expand_builtin): Handle the new builtins.
98         * config/frv/frv.md: Replace old schedulers with new order-independent
99         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
100         packing algorithm.
101         (cpu): Add fr550, fr450 and fr405.
102         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
103         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
104         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
105         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
106         (fnop, mnop): New patterns.
107         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
108         New constants.
109         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
110         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
111         registers.
112         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
113         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
114         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
115         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
116         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
117         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
118         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
119         (frv_prefetch0, frv_prefetch): New patterns.
120         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
121         -mcpu=simple.  Add -mcpu=fr550.
122         (MULTILIB_DIRNAMES): Update accordingly.
123         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
124         -mcpu=fr450.
125         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
126         -mlong-calls and -malign-labels options for FR-V.
127
128 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
129
130         PR c/8420
131         * c-tree.h (struct c_declspecs): New.
132         (struct c_declarator, struct c_type_name, struct c_parm): Update
133         element types.
134         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
135         start_function, start_decl, build_c_parm,
136         make_pointer_declarator): Update prototypes.
137         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
138         declspecs_add_scspec, declspecs_add_attrs): New.
139         (split_specs_attrs): Remove.
140         * c-parse.in (%union): Add dsptype.
141         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
142         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
143         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
144         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
145         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
146         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
147         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
148         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
149         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
150         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
151         maybe_type_quals_attrs): Change to dsptype.
152         (struct c_declspec_stack): New.
153         (current_declspecs, declspec_stack): Change type.
154         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
155         structures.
156         (extdefs): Likewise.
157         (setspecs): Likewise.
158         (fndef): Use current_declspecs for empty declspecs list.
159         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
160         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
161         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
162         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
163         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
164         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
165         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
166         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
167         structures and helper functions.  Update comments.
168         (typespec_nonattr): Correct comment.
169         (maybe_type_quals_attrs, typename): Update to new structures.
170         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
171         shadow_tag, shadow_tag_warned, start_function, start_decl,
172         build_c_parm, make_pointer_declarator,
173         set_array_declarator_inner, groktypename): Update to new
174         structures.
175         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
176         declspecs_add_scspec, declspecs_add_attrs): New.
177         (split_specs_attrs): Remove.
178         (shadow_tag_warned): Make warning for useless type names a
179         pedwarn.  Give hard error for long, short, signed, unsigned or
180         _Complex used with struct, union or enum in empty declaration.
181         Make found_tag a bool.
182         (grokdeclarator): Remove checks now done at parse time.
183
184 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
185
186         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
187         c_declarator, struct c_type_name, struct c_parm): New.
188         (build_array_declarator, set_array_declarator_inner,
189         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
190         start_function, start_decl, build_c_parm, build_attrs_declarator,
191         build_function_declarator, make_pointer_declarator, c_cast_expr,
192         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
193         (build_id_declarator): New.
194         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
195         structures.
196         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
197         ARG_INFO_OTHERS): Remove.
198         (build_id_declarator): New.
199         (build_array_declarator, set_array_declarator_inner, groktypename,
200         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
201         grokfield, start_function, store_parm_decls_newstyle,
202         store_parm_decls_oldstyle, store_parm_decls,
203         build_c_parm, build_attrs_declarator, build_function_declarator,
204         make_pointer_declarator, grokdeclarator): Update to new
205         structures.
206         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
207         parmtype.
208         (declarator, notype_declarator, after_type_declarator,
209         parm_declarator, parm_declarator_starttypename,
210         parm_declarator_nostarttypename, array_declarator, typename,
211         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
212         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
213         parmlist_1, parmlist_2, parmlist_or_identifiers,
214         parmlist_or_identifiers_1): Use these types.
215         (primary, after_type_declarator, parm_declarator_starttypename,
216         notype_declarator, component_decl, component_declarator,
217         component_notype_declarator, typename, absdcl,
218         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
219         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
220
221 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
222
223         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
224         in_typeof, record_maybe_used_decl, pop_maybe_used,
225         c_expr_sizeof_expr, c_expr_sizeof_type): New.
226         * c-decl.c (parser_obstack): New.
227         (c_init_decl_processing): Initialize parser_obstack.
228         (c_write_global_declarations_1): Check for used but undefined
229         static functions.
230         * c-parse.in (%union): Add otype.
231         (save_obstack_position): New.
232         (extdefs): Use it.
233         (unary_expr): Update in_sizeof and in_alignof.  Use
234         c_expr_sizeof_expr and c_expr_sizeof_type.
235         (sizeof): Update in_sizeof.
236         (alignof): Update in_alignof.
237         (typeof): Update in_typeof.
238         (typespec_nonreserved_nonattr): Call pop_maybe_used.
239         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
240         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
241         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
242         (build_external_ref): Set C_DECL_USED or call
243         record_maybe_used_decl if appropriate.
244         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
245
246 2004-09-08  Eric Christopher  <echristo@redhat.com>
247
248         * builtins.c: Fix prototype for fold_builtin_atan.
249
250 2004-09-08  Eric Christopher  <echristo@redhat.com>
251
252         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
253         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
254         fold_builtin_atan): New functions. Migrate function bodies...
255         (fold_builtin_1): ... from here.
256
257 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
258
259         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
260         save_size.
261
262 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
263
264         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
265         * config/rs6000/power5.md (power5-lmul): Same.
266
267 2004-09-08  Richard Henderson  <rth@redhat.com>
268
269         PR rtl-opt/17186
270         * function.c (expand_function_end): Have fall-off-the-end
271         return path jump around return register setup.
272
273 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
274
275         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
276         (output_return): Do not test for the presence of the 'unimp' insn.
277         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
278         as predicates instead of custom ones.  Return raw strings when
279         possible.
280         (output_sibcall): Likewise.  Concatenate strings.
281         (output_ubranch): Remove kludge for TurboSPARC.
282         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
283         (output_v9branch): Likewise.
284         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
285         <#>: Set sparc_indent_opcode if the delay slot is filled.
286         <(>: Likewise.
287         <)>: New operand to emit the displacement from the saved PC on return.
288         <@>: Remove.
289         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
290         (ASM_OUTPUT_OPCODE): New macro.
291         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
292         * config/sparc/sparc.md (normal_branch, inverted_branch,
293         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
294         inverted_fpe_branch): Adjust call to output_cbranch.
295         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
296         call to output_v9branch.
297         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
298         (output_v9branch): Likewise.
299
300 2004-09-08  Devang Patel  <dpatel@apple.com>
301
302         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
303         -segs_read_only_addr and -segs_read_write_addr.
304         (WORD_SWITCH_TAKES_ARG): Same.
305         (LINK_SPEC): Same.
306         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
307         -segs_read_write_addr.
308
309 2004-09-08  Richard Henderson  <rth@redhat.com>
310
311         * function.c (reference_callee_copied): New.
312         (assign_parm_setup_reg): Use it.
313         * calls.c (initialize_argument_information): Likewise.
314         (emit_library_call_value_1): Likewise.
315         * function.h (reference_callee_copied): Declare.
316
317         * target.h (struct gcc_target): Add callee_copies.
318         * target-def.h (TARGET_CALLEE_COPIES): New.
319         (TARGET_PASS_BY_REFERENCE): Update default.
320         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
321         * targhooks.c (hook_callee_copies_named): New.
322         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
323         hook_pass_by_reference_false.
324         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
325         * targhooks.h: Update decls.
326         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
327         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
328         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
329         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
330         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
331         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
332         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
333         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
334         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
335         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
336         (mips_callee_copies): New.
337         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
338         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
339         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
340         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
341         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
342         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
343         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
344         * config/sh/sh.c (sh_callee_copies): New.
345         (TARGET_CALLEE_COPIES): New.
346         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
347         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
348         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
349         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
350         for FUNCTION_ARG_CALLEE_COPIES.
351         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
352
353 2004-09-08  Devang Patel  <dpatel@apple.com>
354
355         * tree-if-conv.c (find_phi_replacement_condition): Return true
356         edge block.
357         (replace_phi_with_cond_modify_expr): Select conditional expr args
358         based on true edge basic block.
359
360 2004-09-08  Jan Hubicka  <jh@suse.cz>
361
362         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
363         variables being alias set.
364
365 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
366
367         * final.c (shorten_branches, final, get_insn_template,
368         output_alternate_entry_point, final_scan_insn, alter_subreg,
369         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
370         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
371         * fix-header.c (lookup_std_proto): Likewise.
372         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
373         verify_local_live_at_start, update_life_info, mark_reg,
374         calculate_global_regs_live, allocate_reg_life_data,
375         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
376         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
377         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
378         * fold-const.c (force_fit_type, div_and_round_double,
379         may_negate_without_overflow_p, int_const_binop, const_binop,
380         size_binop, size_diffop, fold_convert_const, fold_convert,
381         invert_tree_comparison, swap_tree_comparison,
382         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
383         range_binop, make_range, fold_cond_expr_with_comparison,
384         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
385         fold_abs_const, fold_not_const, fold_relational_const, round_up,
386         round_down): Likewise.
387         * function.c (find_function_data, assign_stack_temp_for_type,
388         instantiate_virtual_regs_lossage, aggregate_value_p,
389         assign_parm_find_entry_rtl, assign_parm_setup_block,
390         expand_function_start, expand_function_end, keep_stack_depressed,
391         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
392
393 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
394
395         * Makefile.in (tree-loop-linear.o): Added.
396         (OBJS-common): Add tree-loop-linear.o
397         * common.opt: New flag, ftree-loop-linear.
398         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
399         * tree-flow.h: Add prototype for linear_transform_loops.
400         * tree-optimize.c: Add linear transform after vectorization.
401         * tree-pass.h: Add struct pass_linear_transform.
402         * tree-ssa-loop.c: Add pass_linear_transform.
403         * tree-loop-linear.c: New file.
404         * lambda-code.c: gcc_assertify.
405         (gcc_loop_to_lambda_loop): Handle all exit tests.
406         Handle case where we have (invariant >= induction var).
407         (find_induction_var_from_exit_cond): Ditto.
408
409 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
410
411         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
412         memory tag is call clobbered, so are its aliases.
413         (group_aliases): When two memory tags being grouped, if one is
414         call clobbered, so are the other and its aliases.
415         (add_may_alias): Remove call-clobbering stuff.
416         (replace_may_alias): Likewise.
417         (merge_pointed_to_info): Merge pt_global_mem
418
419 2004-09-08  Jan Hubicka  <jh@suse.cz>
420
421         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
422         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
423         (cgraph_expand_function): Remove stale cgraph edges of currently
424         compiled function; fix non-unit-at-a-time code copying function
425         node for later reuse.
426
427 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
428
429         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
430         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
431         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
432         (vec_gc_free, vec_heap_free): New.
433         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
434         (DEF_VEC_P): Add allocator argument. Adjust.
435         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
436         (DEF_VEC_O): Add allocator argument. Adjust.
437         (VEC(free)): New.
438
439         * tree.h (tree): Define a GC'd vector.
440         * lamba-code.c (lambda_loop): Likewise.
441         * value-prof.h (histogram_value): Likewise.
442
443 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
444
445         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
446         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
447         gen_lowpart_common, gen_highpart, gen_highpart_mode,
448         subreg_highpart_offset, operand_subword, operand_subword_force,
449         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
450         set_mem_alias_set, change_address_1, verify_rtx_sharing,
451         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
452         try_split, add_insn_after, add_insn_before, remove_insn,
453         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
454         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
455         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
456         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
457         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
458         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
459         record_path_before_1, check_path_after_1, check_path_after): Likewise.
460         * except.c (gen_eh_region, resolve_one_fixup_region,
461         remove_unreachable_regions, convert_from_eh_region_ranges_1,
462         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
463         connect_post_landing_pads, sjlj_emit_function_exit,
464         remove_exception_handler_label, remove_eh_handler,
465         reachable_next_level, collect_one_action_chain,
466         output_function_exception_table): Likewise.
467         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
468         optimize_save_area_alloca, allocate_dynamic_stack_space,
469         probe_stack_range, hard_function_value): Likewise.
470         * expmed.c (mode_for_extraction, store_bit_field,
471         store_fixed_bit_field, extract_bit_field, expand_shift,
472         expand_mult_const, expand_mult, choose_multiplier,
473         expand_mult_highpart, expand_divmod, emit_store_flag,
474         do_cmp_and_jump): Likewise.
475         * expr.c (convert_move, convert_modes, move_by_pieces,
476         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
477         move_block_from_reg, gen_group_rtx, emit_group_load,
478         emit_group_move, emit_group_store, use_reg, use_regs,
479         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
480         emit_move_insn, emit_move_insn_1, emit_push_insn,
481         expand_assignment, store_expr, count_type_elements,
482         store_constructor, store_field, safe_from_p, expand_var,
483         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
484
485 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
486
487         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
488         gcc_assert and gcc_unreachable.
489         * ddg.c (create_ddg_dependence, add_deps_for_def,
490         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
491         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
492         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
493         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
494         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
495         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
496         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
497         dataflow_set_copy, hybrid_search, diagnostic.c,
498         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
499         * dojump.c (do_jump): Likewise.
500         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
501         compute_dom_fast_query, calculate_dominance_info,
502         free_dominance_info, get_immediate_dominator,
503         set_immediate_dominator, get_dominated_by,
504         redirect_immediate_dominators, nearest_common_dominator,
505         dominated_by_p, verify_dominators, recount_dominator,
506         iterate_fix_dominators, add_to_dominance_info,
507         delete_from_dominance_info): Likewise.
508         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
509         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
510         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
511         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
512         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
513         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
514         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
515         output_call_frame_info, output_loc_operands, build_cfa_loc,
516         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
517         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
518         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
519         splice_child_die, attr_checksum, same_dw_val_p,
520         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
521         unmark_dies, value_format, output_loc_list, output_die,
522         output_pubnames, output_aranges, base_type_die, is_base_type,
523         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
524         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
525         field_byte_offset, add_data_member_location_attribute,
526         add_const_value_attribute, rtl_for_decl_location,
527         add_location_or_const_value_attribute, add_byte_size_attribute,
528         add_bit_offset_attribute, add_bit_size_attribute,
529         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
530         decl_start_label, gen_formal_parameter_die,
531         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
532         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
533         force_decl_die, force_type_die, gen_decl_die,
534         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
535         dwarf2out_finish): Likewise.
536
537 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
538
539         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
540         * builtins.c: Include tree-mudflap.h.
541
542 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
543
544         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
545         force operand 0.0 into register in XFmode. Also do not force
546         operand 0.0 into register if !TARGET_CMOVE.
547         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
548         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
549         implement ftst x87 instruction.
550         (*fp_jcc_7): New insn pattern. Change corresponding split
551         pattern to handle "general_operand" instead of
552         "nonimmediate_operand".
553
554 2004-09-08  Ben Elliston  <bje@au.ibm.com>
555
556         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
557
558 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
559
560         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
561         generated from standard va_arg expansion.
562         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
563         marked nodes.
564         (mf_varname_tree, mf_file_function_line_tree): Add some support
565         for column numbers if compiled with USE_MAPPED_LOCATION.
566
567 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
568
569         * c-decl.c (groktypename_in_parm_context): Remove function.
570         * c-tree.h (groktypename_in_parm_context): Remove prototype.
571
572 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
573
574         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
575         * c-parse.in: Include c-common.h instead of objc-act.h.
576         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
577         myparms, myparm): Remove %type declarations.
578         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
579         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
580         declarations.
581         (objc_inherit_code, objc_public_flag): Remove.
582         (typespec_nonreserved_nonattr): Call
583         objc_get_protocol_qualified_type() instead of get_static_reference()
584         and get_protocol_reference().
585         (stmt_nocomp): Call grokparm() on @catch parameter.
586         (objcdef): Move semantic action to objc_finish_implementation().
587         (classdef): Move semantic action to objc_start_class_interface(),
588         objc_continue_interface(), objc_finish_interface(),
589         objc_start_class_implementation(), objc_continue_implementation(),
590         objc_start_category_interface() and
591         objc_start_category_implementation().
592         (protocoldef): Move semantic actions to objc_start_protocol() and
593         objc_finish_interface().
594         (ivar_decl_list): Remove nonterminal.
595         (visibility_spec): Move semantic actions to objc_set_visibility().
596         (ivar_decls): Remove assignment to $$.
597         (ivar_decl): Rephrase in terms of component_decl; call
598         objc_add_instance_variable().
599         (ivars, ivar_declarator): Remove nonterminals.
600         (opt_semi): New nonterminal.
601         (methodtype): Remove semantic actions.
602         (methoddef): Move semantic actions to objc_set_method_type(),
603         objc_start_method_definition() and objc_finish_method_definition().
604         (methodproto): Move semantic actions to objc_set_method_type() and
605         objc_add_method_declaration().
606         (methoddecl): Use objc_typename instead of typename; move semantic
607         actions to objc_build_method_signature().
608         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
609         (optparmlist): Express in terms of optparms and optellipsis.
610         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
611         nonterminals.
612         (keyworddecl): Use objc_typename instead of typename.
613         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
614         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
615
616 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
617
618         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
619         (MD_FALLBACK_FRAME_STATE_FOR): Update.
620         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
621         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
622         (MD_FROB_UPDATE_CONTEXT): Remove default.
623         (uw_update_context_1): Instead #ifdef invocation.
624         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
625         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
626         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
627         (MD_UNWIND_SUPPORT): Undefine this instead.
628         * config/i386/gnu.h: Likewise.
629         * config/alpha/linux-unwind.h: New file, macro converted to
630         function, extracted from..
631         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
632         (MD_UNWIND_SUPPORT): Define.
633         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
634         * config/i386/linux-unwind.h, config/i386/linux.h,
635         config/i386/linux64.h: Likewise.
636         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
637         MD_HANDLE_UNWABI too.
638         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
639         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
640         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
641         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
642         * config/sparc/linux-unwind.h, config/sparc/linux.h,
643         config/sparc/linux64.h: Likewise.
644         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
645         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
646         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
647         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
648         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
649
650 2004-09-07  Jan Hubicka  <jh@suse.cz>
651
652         * cse.c (fold_rtx):  Avoid building of
653         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
654
655         * tree-ssa-pre.c (grand_bitmap_obstack): New.
656         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
657         (init_pre): Initialize obstack.
658         (fini_pre): Free obstack.
659
660 2004-09-07  David Daney  <ddaney@avtrex.com>
661
662         * config.gcc: Added support for --with-divide=[breaks|traps] for
663         mips targets.
664         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
665         (TARGET_DIVIDE_TRAPS): New macro.
666         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
667         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
668         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
669         GENERATE_DIVIDE_TRAPS.
670         (mips_output_division): Emit conditional trap if
671         GENERATE_DIVIDE_TRAPS is set.
672         * doc/install.texi: Document --with-divide.
673         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
674
675 2004-09-07  Caroline Tice  <ctice@apple.com>
676
677         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
678         EDGE_CROSSING, to flags test case.
679
680 2004-09-07  Jan Hubicka  <jh@suse.cz>
681
682         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
683         class too.
684
685 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
686
687         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
688         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
689         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
690         or gcc_unreachable.
691         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
692         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
693         alloc_aux_for_edges, free_aux_for_edges): Likewise.
694         * cfgcleanup.c (try_forward_edges,
695         merge_blocks_move_predecessor_nojumps,
696         merge_blocks_move_successor_nojumps): Likewise.
697         * cfgexpand.c (expand_gimple_cond_expr,
698         expand_gimple_tailcall): Likewise.
699         * cfghooks.c (duplicate_block): Likewise.
700         * cfglayout.c (record_effective_endpoints,
701         insn_locators_initialize, change_scope, fixup_reorder_chain,
702         verify_insn_chain, fixup_fallthru_exit_predecessor,
703         duplicate_insn_chain, cfg_layout_finalize): Likewise.
704         * cfgloopanal.c (check_irred): Likewise.
705         * cfgloop.c (superloop_at_depth, flow_loops_free,
706         flow_loop_entry_edges_find, flow_loops_find,
707         flow_loop_outside_edge_p, get_loop_body,
708         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
709         get_loop_exit_edges, num_loop_branches, cancel_loop,
710         verify_loop_structure): Likewise.
711         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
712         duplicate_loop_to_header_edge, create_preheader,
713         create_loop_notes): Likewise.
714         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
715         edirect_branch_edge, force_nonfallthru_and_redirect,
716         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
717         commit_edge_insertions, commit_edge_insertions_watch_calls,
718         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
719         cfg_layout_redirect_edge_and_branch_force,
720         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
721         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
722         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
723         cgraph_varpool_node): Likewise.
724         * cgraphunit.c (cgraph_finalize_function,
725         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
726         cgraph_expand_function, cgraph_remove_unreachable_nodes,
727         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
728         cgraph_mark_inline, cgraph_expand_all_functions,
729         cgraph_build_static_cdtor): Likewise.
730         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
731         simplify_logical, distribute_notes, insn_cuid): Likewise.
732         * conflict.c (conflict_graph_add, print_conflict): Likewise.
733         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
734         coverage_checksum_string): Likewise.
735         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
736         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
737         cse_cc_succs, cse_condition_code_reg): Likewise.
738         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
739         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
740         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
741         cselib_record_set): Likewise.
742
743 2004-09-07  Jan Hubicka  <jh@suse.cz>
744
745         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
746
747 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
748
749         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
750         fold_convert.
751         (fold_builtin_strpbrk): Likewise.
752         * expr.c (array_ref_low_bound): Likewise.
753         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
754         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
755         * tree-sra.c (generate_element_zero): Likewise.
756         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
757         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
758         add_old_iv_candidates, add_iv_candidates): Likewise.
759         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
760
761 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
762
763         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
764         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
765         c_expand_expr, boolean_increment, nonnull_check_p,
766         check_function_arguments_recurse, fold_offsetof_1): Likewise.
767         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
768         builtin_define_type_max): Likewise.
769         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
770         implicit_decl_warning, builtin_function, build_compound_literal,
771         complete_array_type, grokdeclarator, get_parm_info,
772         start_function, store_parm_decls_oldstyle,
773         c_write_global_declarations): Likewise.
774         * c-format.c (get_constant, decode_format_attr,
775         maybe_read_dollar_number, get_flag_spec, check_format_arg,
776         check_format_types, format_type_warning,
777         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
778         init_dynamic_diag_info, handle_format_attribute): Likewise.
779         * c-gimplify.c (push_context, pop_context, finish_bc_block):
780         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
781         * c-objc-common.c (c_tree_printer): Likewise.
782         * c-pch.c (pch_init): Likewise.
783         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
784         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
785         * c-typeck.c (c_incomplete_type_error, composite_type,
786         common_pointer_type, common_type, same_translation_unit_p,
787         tagged_types_tu_compatible_p, finish_init, pop_init_level,
788         set_designator, set_nonincremental_init_from_string,
789         process_init_element, c_finish_if_stmt): Likewise.
790         * caller-save.c (init_caller_save, save_call_clobbered_regs,
791         insert_restore, insert_save, insert_one_insn): Likewise.
792         * calls.c (emit_call_1, compute_argument_block_size,
793         precompute_arguments, expand_call, emit_library_call_value_1,
794         store_one_arg): Likewise.
795
796 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
797
798         * configure.ac (enable-checking): Add release option. Reorganize
799         to avoid repetition.
800         * configure: Rebuilt.
801         * doc/install.texi (enable-checking): Amend documentation.
802
803 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
804
805         PR bootstrap/17313
806         * Makefile.in (specs.ready): Depend on cc1$(exeext).
807
808 2004-09-06  James E Wilson  <wilson@specifixinc.com>
809
810         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
811         movdf_hardfloat_32bit): Split fG into two alternatives.
812         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
813
814         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
815
816 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
817
818         * final.c (output_in_slot): Delete.
819         (final_scan_insn): Revert 2004-09-03 change.
820         (output_asm_insn): Likewise.
821         * config/sparc/sparc.c (output_return): Likewise.
822         (output_sibcall): Likewise.
823
824 2004-09-06  Jan Hubicka  <jh@suse.cz>
825
826         * loop.c (loop_dump_aux): Do not print RTL when not available.
827         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
828         frontend specific type nodes.
829         (produce_memory_decl_rtl): Break out from ...
830         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
831         (get_computation_at): Avoid random tree sharing.
832         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
833
834 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
835
836         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
837         unnecessary commands.
838
839 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
840
841         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
842         (bitmap.o): Likewise.
843
844 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
845
846         Unify the management of RTL and tree-level dump files.
847
848         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
849         Don't print function name to the dump file, the pass manager
850         would do this for us. Add code from the top of
851         rest_of_compilation, up to the initial RTL dump.
852         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
853         close the DFI_sibling dump file.
854         (rest_of_compilation): Don't do that here.  Remove code up to the
855         initial RTL dump.
856         (init_optimization_passes): Remove.
857         (pass_rest_of_compilation): Change pass name to NULL.
858         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
859         Do not call init_optimization_passes.
860         * toplev.h (init_optimization_passes): Remove.
861
862         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
863         finish_graph_dump_file): Remove SUFFIX parameter.
864         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
865         finish_graph_dump_file): Likewise.
866
867         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
868         * cfgexpand.c (pass_expand): Adjust.
869         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
870         * passes.c (pass_rest_of_compilation): Adjust.
871         * predict.c (pass_profile): Adjust.
872         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
873         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
874         pass_split_crit_edges, pass_warn_function_return): Adjust.
875         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
876         * tree-dfa.c (pass_referenced_vars): Adjust.
877         * tree-eh.c (pass_lower_eh): Adjust.
878         * tree-if-conv.c (pass_build_ssa): Adjust.
879         * tree-into-ssa.c (pass_build_ssa): Adjust.
880         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
881         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
882         * tree-nrv.c (pass_nrv): Adjust.
883         * tree-optimize.c (pass_gimple, pass_all_optimizations,
884         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
885         pass_init_datastructures): Adjust.
886         * tree-outof-ssa.c (pass_del_ssa): Adjust.
887         * tree-profile.c (pass_tree_profile): Adjust.
888         * tree-sra.c (pass_sra): Adjust.
889         * tree-ssa-alias.c (pass_may_alias): Adjust.
890         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
891         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
892         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
893         * tree-ssa-dom.c (pass_dominator): Adjust.
894         * tree-ssa-dse.c (pass_dse): Adjust.
895         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
896         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
897         * tree-ssa-loop-ch.c (pass_ch): Adjust.
898         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
899         pass_loop_done, pass_complete_unroll, pass_iv_canon,
900         pass_iv_optimize, pass_vectorize): Adjust.
901         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
902         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
903         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
904         pass_late_warn_uninnitialized): Adjust.
905         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
906
907         * Makefile.in (tree-dump.o): Add new dependencies.
908         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
909         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
910         Likewise.
911         * toplev.c (dump_file_name): New.
912         * tree-dump.c (dump_enable_all): Add LETTER parameter.
913         (struct dump_file_info): Add NUM and LETTER fields.
914         (dump_files): Adjust and add RTL dump files.
915         (dump_register): Add NUM and LETTER fields.
916         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
917         (dump_begin): Use get_dump_file_name.
918         (dump_switch_p_1): Adjust call to dump_enable_all.
919         * tree-dump.h (dump_register): Adjust prototype.
920         * tree-optimize.c (register_one_dump_file): Take dump file index.
921         Support flags for RTL dumps.
922         (register_dump_files): Fill in NUM field of struct dump_file_info.
923         Track properties both when the gate is executed and when it is not.
924         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
925         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
926         dumps of RTL.
927         * tree-pass.h (dump_file_name): New.
928         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
929         New.
930
931         * Makefile.in (passes.o): Add new dependencies.
932         * passes.c (struct dump_file_info, enum dump_file_index,
933         dump_file_tbl, init_optimization_passes): Remove.
934         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
935         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
936         dump_enabled_p.
937         (finish_optimization_passes): Update finish_graph_dump_file loop.
938         (enable_rtl_dump_file): Remove.
939         * tree-dump.c (dump_files): Adjust and add RTL dump files.
940         (enable_rtl_dump_file): Add here.
941         * tree.h (enum tree_dump_index): Add RTL dump file indices.
942         * doc/invoke.texi (Debugging options): Document new RTL debugging
943         options.  Update.
944
945 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
946
947         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
948         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
949         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
950         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
951         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
952         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
953         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
954         vec.h: Fix comment formatting.
955
956 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
957
958         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
959         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
960         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
961         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
962         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
963         tree-ssa-loop-niter.c, tree-ssa-operands.c,
964         tree-ssa-operands.h, tree-ssa-propagate.c,
965         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
966         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
967
968 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
969
970         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
971         vectorizer is enabled.
972
973 2004-09-05  Andreas Jaeger  <aj@suse.de>
974
975         * tree-if-conv.c: Spell check comments and clean up whitespace.
976
977 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
978
979         * tree-ssa-loop-ivopts.c: New file.
980         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
981         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
982         target_pres_cost, target_spill_cost): Declare.
983         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
984         spill_cost): Renamed to ...
985         (target_avail_regs, target_res_regs, target_small_cost,
986         target_pres_cost, target_spill_cost): ... and exported.
987         (init_set_costs, global_cost_for_size): Work with renamed variables.
988         * common.opt (flag_ivopts): New flag.
989         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
990         REF_ORIGINAL.
991         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
992         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
993         generating SSA form.
994         (force_gimple_operand): New function.
995         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
996         * tree-cfg.c (stmt_bsi): New function.
997         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
998         PARAM_IV_MAX_CONSIDERED_USES): New.
999         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
1000         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
1001         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
1002         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
1003         * tree-nested.c (build_addr): Export.
1004         * tree-optimize.c (init_tree_optimization_passes): Add
1005         pass_iv_optimize.
1006         * tree-pass.h (pass_iv_optimize): Declare.
1007         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
1008         IMAGPART_EXPR.
1009         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
1010         as a phi node argument.
1011         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
1012         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
1013         functions.
1014         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
1015         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
1016         pass_iv_optimize): New pass.
1017         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
1018         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
1019         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
1020         * tree.h (REF_ORIGINAL): New macro.
1021         (build_int_cst_type, unsigned_type_for, zero_p,
1022         cst_and_fits_in_hwi, build_addr): Declare.
1023         * doc/invoke.texi (-fivopts): Document.
1024         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
1025         PARAM_IV_MAX_CONSIDERED_USES): Document.
1026         * doc/passes.texi: Document induction variable optimizations pass.
1027
1028 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1029
1030         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
1031         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
1032         * c-common.c (c_common_attribute_table): Accept parameters to
1033         sentinel attribute.
1034         (check_function_sentinel, handle_sentinel_attribute): Likewise.
1035         * doc/extend.texi: Update accordingly.
1036
1037 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1038
1039         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
1040         New.
1041         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
1042         attribute.
1043         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
1044         New functions.
1045         (c_common_attribute_table): Add `sentinel' attribute.
1046         (check_function_arguments): Handle `sentinel' attribute.
1047         * doc/extend.texi: Document `sentinel' attribute.
1048
1049 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
1050
1051         * configure: Regenerated.
1052
1053 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1054
1055         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
1056
1057         * tree.c (save_expr): No longer TREE_READONLY.
1058
1059 2004-09-04  Jan Hubicka  <jh@suse.cz>
1060
1061         * passes.c (rest_of_clean_state):  Fix merge conflict made during
1062         commiting the patch.
1063
1064 2004-09-04  Jan Hubicka  <jh@suse.cz>
1065
1066         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
1067
1068 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
1069
1070         * doc/md.texi (shift patterns): New anchor.  Add reference to
1071         TARGET_SHIFT_TRUNCATION_MASK.
1072         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
1073         * target.h (shift_truncation_mask): New target hook.
1074         * targhook.h (default_shift_truncation_mask): Declare.
1075         * targhook.c (default_shift_truncation_mask): Define.
1076         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
1077         (TARGET_INITIALIZER): Include it.
1078         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
1079         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
1080         reject all out-of-range values.  Fix sign-extension code for modes
1081         whose width is smaller than HOST_BITS_PER_WIDE_INT.
1082         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
1083         (expand_superword_shift, expand_subword_shift): Likewise.
1084         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
1085         (expand_binop): Use them to implement double-word shifts.
1086         * config/arm/arm.c (arm_shift_truncation_mask): New function.
1087         (TARGET_SHIFT_TRUNCATION_MASK): Define.
1088
1089 2004-09-04  Jan Hubicka  <jh@suse.cz>
1090
1091         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
1092         (mix): New macro copied from hashtab.c
1093         (iterative_hash_hashval_t, iterative_hash_pointer,
1094         iterative_hash_host_wide_int): New functions based on hashtab.c
1095         implementation.
1096
1097 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
1098
1099         * config/mips/mips.md (mask): New mode attribute.
1100         (zero_extendsidi2): Add memory alternative.
1101         (*zero_extendsidi2_mem): Delete.
1102         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
1103         memory_operand in the TARGET_MIPS16 check.
1104         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
1105         Redefine using :GPR and :SHORT.
1106         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
1107
1108 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
1109
1110         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
1111         using rint_optab.
1112         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
1113         expand_builtin_mathfn.
1114         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
1115         btrunc?f patterns for btrunc_optab. Implement rint_optab using
1116         rint?f patterns.
1117         * optabs.c (init_optabs): Initialize rint_optab.
1118         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
1119         Add new OTI_rint.
1120         (btrunc_optab): Rename macro from trunc_optab.
1121         (rint_optab): Define corresponding macro.
1122
1123         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
1124         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
1125
1126         * config/i386/i386-protos.h (emit_i387_cw_initialization):
1127         Change prototype. Add new int parameter.
1128         * config/i386/i386.c (emit_i387_cw_initialization):
1129         Handle new rounding modes.
1130
1131         * config/i386/i386.h (enum fp_cw_mode): Delete.
1132         (MODE_NEEDED): Handle new rounding modes.
1133         (EMIT_MODE_SET): Change condition to handle new rounding modes.
1134
1135         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
1136         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
1137         represent different rounding modes of frndint insn.
1138         (type): Add frndint type.
1139         (i387, length, memory): Handle this type.
1140         (i387_cw): New attribute definition.
1141         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
1142         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
1143         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
1144         Add "i387_cw" attribute defined to "trunc".
1145         (x86_fnstcw_1): Remove comment.
1146         (*frndintxf2): Rename insn definition to frndintxf2. Move
1147         insn definition near rint?f2 expanders.
1148         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
1149         rintf and rintl built-ins as inline x87 intrinsics.
1150         (frndintxf2_floor): New pattern to implement floor rounding
1151         mode with frndint x87 instruction.
1152         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
1153         floorf and floorl built-ins as inline x87 intrinsics.
1154         (frndintxf2_ceil): New pattern to implement ceil rounding
1155         mode with frndint x87 instruction.
1156         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
1157         ceilf and ceill built-ins as inline x87 intrinsics.
1158         (frndintxf2_trunc): New pattern to implement trunc rounding
1159         mode with frndint x87 instruction.
1160         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
1161         truncf and truncl built-ins as inline x87 intrinsics.
1162         (frndintxf2_mask_pm): New pattern to implement rounding
1163         mode with exceptions with frndint x87 instruction.
1164         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
1165         implement nearbyint, nearbyintf and nearbyintl built-ins as
1166         inline x87 intrinsics.
1167
1168 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
1169
1170         * config/mips/mips.md (SHORT): New mode macro.
1171         (size): New mode attribute.
1172         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
1173         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
1174         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
1175         !ISA_HAS_SEB_SEH.
1176         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
1177         *extend[qh]isi2_hw patterns and extending them to di.
1178         (extendqihi2): Implement as define_insn_and_split that produces
1179         extendqisi2 after reload.
1180
1181 2004-09-03  Devang Patel  <dpatel@apple.com>
1182
1183         * Makefile.in (OBJS-common): Add tree-if-conv.o
1184         (tree-if-conv.o): New rule.
1185         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
1186         (get_loop_body_in_bfs_order): New.
1187         * cfgloop.h (get_loop_body_in_bfs_order): New.
1188         * tree-flow.h (enum move_pos): Move here from ..
1189         * tree-ssa-loop-im.c (enum move_pos): here.
1190         (movement_possibility): Make externally visible.
1191         * tree-optimize.c (init_tree_optimization_passes): New entry for
1192         if conversion pass.
1193         * tree-pass.h (pass_if_conversion): New.
1194         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
1195         * tree-if-conv.c: New file.
1196         * doc/passes.texi: Document tree if-conversion pass.
1197         * doc/tree-ssa.texi: Same.
1198
1199 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
1200
1201         PR target/14925:
1202         Makefile.in (LIB2ADDEHSTATIC): New.
1203         (LIB2ADDEHSHARED): New.
1204         (LIBUNWIND): New.
1205         (LIBUNWINDDEP): New.
1206         (SHLIBUNWIND_LINK): New.
1207         (SHLIBUNWIND_INSTALL): New.
1208         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
1209         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
1210         (clean): Remove libunwind*
1211         (stage1-start): Remove and copy stage1/libunwind*.
1212         (stage2-start): Remove and copy stage2/libunwind*.
1213         (stage3-start): Remove and copy stage3/libunwind*.
1214         (stage4-start): Remove and copy stage4/libunwind*.
1215         (stageprofile-start): Remove and copy stageprofile/libunwind*.
1216         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
1217
1218         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
1219         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
1220         tmake_file if --with-system-libunwind isn't used.
1221
1222         * config/ia64/t-glibc-libunwind: New file.
1223         * config/t-libunwind-elf: Likewise.
1224         * unwind-compat.c: Likewise.
1225         * unwind-compat.h: Likewise.
1226         * unwind-dw2-fde-compat.c: Likewise.
1227
1228         * config/ia64/t-glibc (LIB2ADDEH): Updated.
1229         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
1230
1231         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
1232         aliases if needed.
1233         * unwind-dw2-fde-glibc.c: Likewise.
1234         * unwind-dw2.c: Likewise.
1235
1236         * config/t-libunwind (LIB2ADDEH): Updated.
1237         (LIB2ADDEHSTATIC): New.
1238         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
1239         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
1240
1241         * configure.ac: Change --enable-libunwind-exceptions to
1242         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
1243         * configure: Regenerated.
1244         * config.in: Updated.
1245
1246         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
1247         above and mention --with-system-libunwind.
1248         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
1249         removed in gcc 3.4.3 and later.
1250
1251         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
1252         USE_LIBUNWIND_EXCEPTIONS is defined.
1253
1254         * mklibgcc.in: Support libunwind.
1255
1256 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
1257
1258         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
1259         m_NOCONA.
1260
1261 2004-09-03  Richard Henderson  <rth@redhat.com>
1262
1263         PR middle-end/9997
1264         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
1265         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
1266         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
1267         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
1268         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
1269         resize_stack_vars_conflict, add_stack_var_conflict,
1270         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
1271         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
1272         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
1273         expand_one_static_var, expand_one_hard_reg_var,
1274         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
1275         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
1276         (expand_used_vars): Rewrite.
1277         * Makefile.in (cfgexpand.o): Update dependencies.
1278
1279 2004-09-04  Jan Hubicka  <jh@suse.cz>
1280
1281         * cfg.c (free_edge): Use ggc_free.
1282         (expunge_block): Use ggc_free.
1283         * passes.c (rest_of_clean_state): Free after compilation.
1284         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
1285         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
1286
1287 2004-09-03  James E Wilson  <wilson@specifixinc.com>
1288
1289         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
1290         DECL_EXTERNAL check.
1291
1292 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1293
1294         * final.c (output_in_slot): New global variable.
1295         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
1296         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
1297         'output_in_slot' before invoking output_asm_insn.
1298         (output_asm_insn): Add a space after the tab if 'output_in_slot'
1299         is set.
1300         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
1301         final_scan_insn.
1302         (output_sibcall): Likewise.
1303
1304 2004-09-03  Jan Hubicka  <jh@suse.cz>
1305
1306         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
1307         * tree-ssanames (init_ssanames): Likewise.
1308
1309 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
1310
1311         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
1312         objc_declare_protocols, objc_start_protocol,
1313         objc_start_class_interface, objc_start_category_interface,
1314         objc_continue_interface, objc_finish_interface,
1315         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
1316         objc_start_class_implementation, objc_start_category_implementation,
1317         objc_continue_implementation, objc_finish_implementation,
1318         objc_add_method_declaration, objc_start_method_definition,
1319         objc_finish_method_definition, objc_build_keyword_decl,
1320         objc_build_method_signature, objc_build_encode_expr,
1321         objc_build_protocol_expr, objc_build_selector_expr,
1322         objc_build_message_expr, objc_build_string_object,
1323         objc_get_class_reference, objc_get_protocol_qualified_type,
1324         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
1325
1326 2004-09-03  James E Wilson  <wilson@specifixinc.com>
1327
1328         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
1329
1330         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
1331         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
1332         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
1333         (mips_recip1_<fmt>): Use frdiv1 type.
1334         (mips_recip2_<fmt>): Use frdiv2 type.
1335         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
1336         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
1337         and frsqrt1.
1338         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
1339
1340 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
1341
1342         * reload.c (find_reloads): Swap operand_loc pointers for
1343         find_dummy_reload if we have swapped two operands.
1344
1345 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
1346
1347         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
1348         to get the tablejump-insn before the jump-table label.
1349
1350 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
1351
1352         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
1353         objc_declare_protocols, objc_build_message_expr,
1354         objc_finish_message_expr, objc_build_selector_expr,
1355         objc_build_protocol_expr, objc_build_encode_expr,
1356         objc_build_string_object, objc_get_protocol_qualified_type,
1357         objc_get_class_reference, objc_get_class_ivars,
1358         objc_start_class_interface, objc_start_category_interface,
1359         objc_start_protocol, objc_continue_interface, objc_finish_interface,
1360         objc_start_class_implementation, objc_start_category_implementation,
1361         objc_continue_implementation, objc_finish_implementation,
1362         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
1363         objc_add_method_declaration, objc_start_method_definition,
1364         objc_finish_method_definition, objc_add_instance_variable,
1365         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
1366         objc_finish_try_stmt, objc_begin_catch_clause,
1367         objc_finish_catch_clause, objc_build_finally_clause,
1368         objc_build_synchronized, objc_static_init_needed_p,
1369         objc_generate_static_init_call): New prototypes.
1370
1371 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
1372
1373         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
1374         is only one reg.
1375         (ia64_function_value): Ditto.
1376
1377 2004-09-03  Jan Beulich  <jbeulich@novell.com>
1378
1379         * config.gcc: Resurrect NetWare as a target. Handle special case of
1380         Novell linker to be used (specified through --with-ld=) and threading
1381         model of either Posix (default) or NKS.
1382         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
1383         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
1384         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
1385         * config/i386/netware.c, config/i386/netware.h: New.
1386         * config/i386/nwld.c, config/i386/nwld.h: New.
1387         * config/i386/netware-crt0.c: New.
1388         * config/i386/netware-libgcc.c: New.
1389         * config/i386/netware-libgcc.def: New.
1390         * config/i386/netware-libgcc.exp: New.
1391         * config/i386/t-netware, config/i386/t-nwld: New.
1392         * gthr-nks.h: New.
1393         * doc/install.texi: Document NKS threading model.
1394
1395 2004-09-03  Jan Beulich  <jbeulich@novell.com>
1396
1397         PR c/7054
1398         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
1399         * tree.h (initial_max_fld_align): Declare
1400         * stor-layout.c (initial_max_fld_align): Define and initialize.
1401         (maximum_field_alignment): Initialize to the same value.
1402         * common.opt: Add -fpack-struct= variant of switch.
1403         * opts.c: Handle -fpack-struct= variant of switch.
1404         * c-pragma.c: Change #pragma pack() handling so that it becomes
1405         compatible to other compilers: accept individual 'push' argument,
1406         make final pop restore (command line) default, correct interaction
1407         of push/pop and sole specification of a new alignment (so that the
1408         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
1409         to #pragma pack(push, <n>).
1410         * doc/extend.texi: New node "Structure-Packing Pragmas" under
1411         "Pragmas", describing #pragma pack.
1412         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
1413         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
1414         Document new TARGET_DEFAULT_PACK_STRUCT.
1415
1416 2004-09-03  Devang Patel  <dpatel@apple.com>
1417
1418         * dwarf2out.c (gen_field_die). Equate decl number to die.
1419
1420 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
1421
1422         PR target/15832
1423         * global.c (modify_reg_pav): New function.
1424         (make_accurate_live_analysis): Call the new function.  Move pavin
1425         modification by earlyclobber set into the new function.
1426
1427 2004-09-03  Andreas Schwab  <schwab@suse.de>
1428
1429         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
1430         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
1431         extended.
1432
1433 2004-09-02  Jan Beulich  <jbeulich@novell.com>
1434
1435         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
1436         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
1437         not unwind code specific ones.
1438         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
1439         Remove unwind code specific dependencies.
1440         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
1441         Remove gbl-ctors.h.
1442         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
1443         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
1444         * tsystem.h: Declare memcpy and memset when inhibit_libc.
1445
1446 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
1447
1448         * combine.c (try_combine): Delay modifying of insns which cannot
1449         be easily undone.
1450
1451 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
1452
1453         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
1454         tree-loop-im.
1455         * gcc/tree-ssa-loop.c: Ditto
1456         * gcc/tree-ssa-loop-ivcanon.c: Ditto
1457         * gcc/doc/invoke.texi: Ditto.
1458
1459 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
1460
1461         * c-decl.c (store_parm_decls_newstyle): Make static.
1462         (store_parm_decls_from): New function.
1463         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
1464         (store_parm_decls_from): New prototype.
1465
1466 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
1467
1468         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
1469         HImode with STRICT_ALIGNMENT.
1470
1471 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
1472
1473         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
1474         (TARGET_OS_CPP_BUILTINS): Likewise.
1475         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
1476         TARGET_BPABI_CPP_BUILTINS.
1477
1478 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
1479
1480         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
1481
1482 2004-09-02  Eric Christopher  <echristo@redhat.com>
1483
1484         * builtins.c (expand_builtin_cabs): Delete.
1485         (expand_builtin): If unable to fold the values do a normal
1486         library call for builtin_cab*.
1487         (fold_builtin_cabs): Depend on optimize and optimize_size.
1488         * optabs.c (expand_cmplxdiv_straight): Delete.
1489         (expand_cmplxdiv_wide): Ditto.
1490         (expand_vector_binop): Ditto.
1491         (expand_vector_unop): Ditto.
1492         (expand_complex_abs): Delete.
1493         (expand_binop): Remove calls to above functions.
1494         Remove open coding of complex arithmetic.
1495         (expand_unop): Ditto.
1496         * optabs.h: Remove prototypes.
1497
1498 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
1499
1500         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
1501         * c-tree.h (store_parm_decls_newstyle): New prototype.
1502
1503 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
1504
1505         * config/rs6000/rs6000.c (expand_block_clear): Use vector
1506         instructions if available.
1507         (expand_block_move): Likewise.
1508
1509 2004-09-03  Jan Hubicka  <jh@suse.cz>
1510
1511         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
1512
1513 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
1514
1515         * config/arm/symbian.h (LIB_SPEC): Define to empty.
1516         * config/arm/t-symbian (SHLIB_LC): Likewise.
1517
1518 2004-09-02  Paul Brook  <paul@codesourcery.com>
1519
1520         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
1521
1522 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1523
1524         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
1525         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
1526         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
1527         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
1528         (mips_issue_rate): Remove unreachable abort.
1529         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1530         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
1531         (mips_block_move_straight, print_operand_address, mips_file_start)
1532         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
1533         (mips_output_conditional_branch, mips_expand_builtin_direct)
1534         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
1535         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
1536         with gcc_assert.
1537
1538 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1539
1540         * config/mips/mips.md (*lea_high64): Change split condition to
1541         flow2_completed.  Add a peephole2 to generate a more parallel version.
1542
1543 2004-09-02  Jan Hubicka  <jh@suse.cz>
1544
1545         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
1546         GGC.
1547
1548         * ggc-page.c: include tree-flow.h.
1549         (extra_order_size_table): Add stmt_ann_d.
1550         (STAT_LABEL): Rename from ....
1551         (LABEL): ... this one.
1552         * Makefile.in (ggc-page.o): Add dependency.
1553
1554         * ggc-common.c (ggc_force_collect): New global variable.
1555         (loc_description): Add fields "freed", "collected"
1556         (ptr_hash): New static hash
1557         (ptr_hash_entry): New structure.
1558         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
1559         (ggc_record_overhead): Take ptr argument, record it
1560         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
1561         (cmp_statistics): Imrove sorting.
1562         (dump_ggc_loc_statistics): Output newly collected statistics
1563         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
1564         (ggc_free): Call ggc_free_overhead.
1565         (ggc_collect): Force collection when asked to be forced.
1566         (ggc_collect): Call ggc_prune_overhead_list.
1567         * ggc.h (ggc_force_collect): Declare
1568         (ggc_record_overhead): Update prototype.
1569         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
1570
1571 2004-09-02  James E Wilson  <wilson@specifixinc.com>
1572
1573         * common.opt (ftrapping-math): Default to on.
1574
1575 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
1576
1577         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
1578
1579 2004-09-02  Denis Chertykov  <denisc@overta.ru>
1580
1581         PR target/16884
1582         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
1583         match_scratch.
1584         (*movmemqi_insn): Likewise.
1585         (*movmemhi): Likewise.
1586         (clrmemhi): Likewise.
1587         (*clrmemqi): Likewise.
1588         (*clrmemhi): Likewise.
1589
1590 2004-09-02  Paul Brook  <paul@codesourcery.com>
1591
1592         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
1593         default_use_cxa_atexit=yes.
1594
1595 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
1596
1597         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
1598         (struct kernel_old_ucontext): Delete.
1599         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
1600         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
1601         when IN_LIGGCC2.
1602
1603 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1604
1605         * toplev.c (process_options): Fix typo.
1606
1607 2004-09-01  Richard Henderson  <rth@redhat.com>
1608
1609         PR middle-end/17258
1610         * calls.c (initialize_argument_information): Tighten pass-through
1611         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
1612         Use build_fold_addr_expr.
1613         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
1614         that assumes ADDR_EXPR allocates stack space.
1615         * fold-const.c (build_fold_addr_expr_with_type): Look through
1616         WITH_SIZE_EXPR.
1617
1618 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
1619
1620         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
1621         * ggc.h (ggc_alloc_rtx): Delete.
1622
1623 2004-09-01  Roger Sayle  <roger@eyesopen.com>
1624
1625         * expmed.c (enum alg_code): Remove long unused enumeration values.
1626         (struct mult_cost): New structure to hold the "score" of a synthetic
1627         multiply sequence, including both a rtx_cost and a latency field.
1628         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
1629         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
1630         (struct algorithm): Change type of cost field to be mult_cost.
1631         (synth_mult): Change type of cost_limit argument to be a
1632         pointer to a mult_cost.  Update all cost comparisons to use the
1633         new mult_cost infrastructure.  For alg_add_factor and
1634         alg_sub_factor operations, latency is lower than the rtx_cost.
1635         (choose_mult_variant):  Update calls to synth_mult.  Perform
1636         cost comparisons using the new mult_cost infrastructure.
1637         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
1638         to optain the total rtx_cost of a synth_mult "algorithm".
1639
1640 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
1641
1642         * config/rs6000/power4.md: Increase store latency to 12.
1643         * config/rs6000/power5.md: Same.
1644
1645 2004-09-01  James E Wilson  <wilson@specifixinc.com>
1646
1647         PR target/14064
1648         * config/avr/avr.c (avr_unique_section): Delete prototype and
1649         definition.
1650         (TARGET_ASM_UNIQUE_SECTION): Delete.
1651
1652 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1653
1654         * c-parse.in (primary): Call objc_build_message_expr(),
1655         objc_build_selector_expr(), objc_build_protocol_expr(),
1656         objc_build_encode_expr() and objc_build_string_object() instead of
1657         build_message_expr(), build_selector_expr(), build_protocol_expr(),
1658         build_encode_expr() and build_objc_string_object(), respectively.
1659         (component_decl_list2): Call objc_get_class_ivars() instead of
1660         get_class_ivars_from_name().
1661         (keyworddecl): Call objc_build_keyword_decl() instead of
1662         build_keyword_decl().
1663         (receiver): Call objc_get_class_reference() instead of
1664         get_class_reference().
1665         (reswords): Add blank line before @@ifobjc section, for clarity.
1666
1667 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
1668
1669         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
1670         to Altivec vetors.
1671
1672 2004-09-01  Wu Yongwei  <adah@sh163.net>
1673             Danny Smith  <dannysmith@users.sourceforge.net>
1674
1675         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
1676         not Windows 'DWORD'.
1677         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
1678         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
1679         (__gthr_win32_recursive_mutex_init_function): Add prototype for
1680         __GTHREAD_HIDE_WIN32API case..
1681         (__gthr_win32_recursive_mutex_lock): Likewise.
1682         (__gthr_win32_recursive_mutex_trylock): Likewise.
1683         (__gthr_win32_recursive_mutex_unlock): Likewise.
1684         (__gthread_recursive_mutex_init_function); Add definition for
1685         __GTHREAD_HIDE_WIN32API case.
1686         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
1687         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
1688         call to InterlockedDecrement.
1689
1690 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1691
1692         * tree-tailcall.c (find_tail_calls): Also fail is statement has
1693         volatile operands.
1694
1695         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
1696
1697         * doc/c-tree.texi: Document new operands for ARRAY_REF and
1698         COMPONENT_REF.
1699
1700 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1701
1702         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
1703         * common.opt (fspeculative-prefetching): New.
1704         * flags.h (flag_speculative_prefetching_set): Declare.
1705         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
1706         values.
1707         * opts.c (flag_sepculative_prefetching_set): New variable.
1708         (common_handle_option): Handle -fspeculative-prefetching.
1709         * passes.c (rest_of_compilation): Ditto.
1710         * profile.c (instrument_values, compute_value_histograms, branch_prob):
1711         Use vectors instead of arrays.
1712         * toplev.c (process_options): Handle -fspeculative-prefetching.
1713         * rtl-profile.c: Include ggc.h.
1714         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
1715         rtl_gen_one_value_profiler_no_edge_manipulation,
1716         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
1717         argument changed.
1718         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
1719         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
1720         argument changed.
1721         * value-prof.c: Include ggc.h.
1722         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
1723         macros.
1724         (insn_prefetch_values_to_profile, find_mem_reference_1,
1725         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
1726         speculative_prefetching_transform): New.
1727         (value_profile_transformations): Call speculative_prefetching_transform.
1728         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
1729         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
1730         tree_find_values_to_profile, find_values to profile): Use vectors
1731         instead of arrays.
1732         (free_profiled_values): Removed.
1733         * value-prof.h (struct histogram_value): Renamed to
1734         struct histogram_value_t.
1735         (histogram_value, histogram_values): New types.
1736         (find_values_to_profile): Declaration changed.
1737         (free_profiled_values): Removed.
1738         (struct profile_hooks): Type of argument of the hooks changed to
1739         histogram_value.
1740         * doc/invoke.texi (-fspeculative-prefetching): Document.
1741
1742 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1743
1744         PR rtl-optimization/16408
1745         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
1746
1747 2004-09-01  Richard Henderson  <rth@redhat.com>
1748
1749         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
1750         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
1751
1752 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1753
1754         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
1755
1756 2004-09-01  Mike Stump  <mrs@apple.com>
1757
1758         * config/darwin.c (machopic_symbol_defined_p): In addition to
1759         being SYMBOL_REF_LOCAL_P, a symbol must also be
1760         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
1761         defined in this output file, or translation unit in the case
1762         of IMA not being used.
1763         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
1764         never need .indirect_symbol when indirecting.
1765
1766 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1767
1768         * Makefile.in (bb-reorder.o): Add several dependencies.
1769
1770 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1771
1772         * fold-const.c (operand_equal_p): Require equal sign also for
1773         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
1774
1775 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1776
1777         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
1778         for use in configargs.h.  Put the cname in a separate variable.  Use
1779         that to set target_cpu_default2.
1780
1781 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
1782             Nick Clifton  <nickc@redhat.com>
1783
1784         * config/sh/sh.md ("length"): Increase branch length when
1785         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
1786         constant, 2 byte for aligning the constant.
1787
1788 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1789
1790         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
1791         CPU.
1792         (arm7tdmi-s): New CPU name.
1793         * arm/arm.c (ARM_CORE): Update for new format.
1794         * arm/arm.h (ARM_CORE): Likewise.
1795         * arm/gentune.sh: Update for extra field.
1796         * config.gcc: Likewise.
1797         * arm/arm-tune.md: Regenerate.
1798         * doc/invoke.texi: Document the real processor names for ARM cpus.
1799
1800 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1801
1802         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
1803         (floatdidf): New functions.
1804         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
1805         (floatdisf): New functions.
1806         * t-arm-elf: Use them.
1807
1808 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1809
1810         * c-common.h (lookup_interface): Remove prototype.
1811         (is_class_name): Rename to objc_is_class_name.
1812         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1813         (get_current_scope): Rename to objc_get_current_scope.
1814         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
1815         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
1816         (yylexname): Call objc_is_class_name() instead of is_class_name().
1817         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
1818         instead of lookup_objc_ivar().
1819         * stub-objc.c (lookup_interface): Remove stub.
1820         (is_class_name): Rename to objc_is_class_name.
1821         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1822
1823 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1824
1825         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
1826         * config/arm/lib1funcs.asm: Do not include supplemental .S files
1827         when compiling for Symbian.
1828         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
1829         (TARGET_OS_CPP_BUILTINS): Likewise.
1830         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
1831
1832 2004-08-31  Stan Shebs  <shebs@apple.com>
1833
1834         * toplev.c (process_options): Ensure debug_hooks is initialized.
1835
1836 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1837
1838         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
1839         * target.h (cxx): Add export_class_data.
1840         * config/arm/arm.c (arm_cxx_export_class_data): New function.
1841         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
1842         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
1843
1844 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
1845
1846         * config/sh/sh.c (output_branch): Check the insn length possibly
1847         in the delayed slot.
1848
1849 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1850
1851         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
1852         blank after ')'.
1853         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
1854
1855         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
1856         (c_sizeof_of_alignof_type): Likewise.
1857         * expr.c (array_ref_element_size): Likewise.
1858         (highest_pow2_factor_for_target): Likewise.
1859         * gimplify.c (canonicalize_addr_expr): Likewise.
1860         (gimplify_compound_lval): Likewise.
1861         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
1862         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1863         * varasm.c (assemble_variable): Likewise.
1864         (output_constant_def_contents): Alignments are unsigned.
1865
1866 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1867             Jeff Law  <law@redhat.com>
1868
1869         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
1870         gets modified.
1871
1872 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1873
1874         * hooks.c (hook_bool_void_true): New function.
1875         * hooks.h (hook_bool_void_true): Declare.
1876         * target-def.h (TARGET_CXX): Add
1877         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
1878         * target.h (struct cxx): Add key_method_may_be_inline.
1879         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
1880         function.
1881         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
1882         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
1883         __THUMB_INTERWORK.
1884
1885 2004-08-31  Denis Chertykov  <denisc@overta.ru>
1886
1887         PR target/15417
1888         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
1889         frame pointer register only in Pmode while reload in progress.
1890
1891 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
1892
1893         PR target/15334
1894         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
1895         because it breaks the 32-bit shift patterns that rely on a match_dup.
1896
1897 2004-08-31  Matt Austern  <austern@apple.com>
1898
1899         * config/darwin.c (darwin_make_decl_one_only): Allocate section
1900         names once per compilation, instead of once per symbol.
1901
1902 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
1903
1904         * Makefile.in (build_subdir): New substitution.
1905         (fixinc.sh): Simplify heavily since fixincludes is already built.
1906         (stmp-fixinc): Depend on specs.ready.
1907         (install-mkheaders): Use new location of fixincludes.
1908         (clean): Do not descend into fixinc.
1909         (FORBUILD): Replace with ../$(build_subdir).
1910         * configure.ac (build_subdir): Substitute.
1911         (FORBUILD): Do not set.
1912         (all_outputs): Remove fixinc/Makefile.
1913         (default commands): Do not create links in fixinc.
1914         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
1915         the fixincludes configuration steps and substituting
1916         @FIXINCL@ in fixinc.in.
1917         * fixinc.in: New, from fixinc/fixincl.sh.
1918
1919         * fixinc/*: Removed.
1920
1921 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1922
1923         * attribs.c (strip_attrs): Remove.
1924         (split_specs_attrs): Move ...
1925         * c-decl.c: ... to here.
1926         * tree.h (split_specs_attrs, strip_attrs): Remove.
1927         * c-tree.h (split_specs_attrs): Declare.
1928
1929 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1930
1931         * read-rtl.c: Disable RTL checking.
1932         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
1933
1934 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1935
1936         * config/mips/mips.md (fcond): New code macro and attribute.
1937         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
1938         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
1939         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
1940
1941 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
1942
1943         Revert:
1944         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1945         PR rtl-optimization/16590
1946         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1947
1948 2004-08-30  Andrew Pinski  <apinski@apple.com>
1949
1950         * hard-reg-set.h:
1951         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
1952         * ChangeLog: Fix previous ChangeLog entry.
1953
1954         PR rtl-opt/13987
1955         * config.host (use_long_long_for_widest_fast_int): New, default is
1956         off.
1957         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
1958         * configure.ac: If use_long_long_for_widest_fast_int, then
1959         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
1960         * configure: Regenerate.
1961         * config.in: Regenerate.
1962         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
1963         New: widest integer type supported efficiently in hardware for the
1964         host.
1965         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
1966         HOST_BITS_PER_WIDEST_FAST_INT.
1967         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
1968         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
1969         HOST_WIDEST_FAST_INT
1970         instead of HOST_WIDE_INT.
1971         (HARD_REG_SET_LONGS): Likewise.
1972         (UHOST_BITS_PER_WIDE_INT): Likewise.
1973         Change the checks for the fast cases to be based on
1974         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
1975
1976 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1977
1978         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1979         not the pointers.
1980
1981 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1982
1983         PR 12738
1984         PR 17205
1985         Radar 3460526
1986         Radar 3775729
1987         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1988         function declaration.
1989
1990 2004-08-30  Richard Henderson  <rth@redhat.com>
1991
1992         * expr.c (array_ref_element_size): Force aligned_size back to
1993         sizetype.
1994         (component_ref_field_offset): Similarly for aligned_offset.
1995         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1996         low-bound, element-size, field-offset fields rather than
1997         computed values.
1998
1999 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
2000
2001         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
2002         redundant code.
2003
2004 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
2005
2006         * c-tree.h (struct language_function): Add arg_info element.
2007         * c-decl.c (current_function_arg_info): New.
2008         (grokdeclarator, store_parm_decls): Use it instead of
2009         DECL_ARGUMENTS.
2010         (c_push_function_context, c_pop_function_context): Save and
2011         restore it.
2012
2013 2004-08-30  Richard Henderson  <rth@redhat.com>
2014
2015         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
2016         COMPONENT_REF to pointer arithmetic.
2017         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
2018         constant "c" as a valid constant initializer.  Allow narrowing of
2019         differences against the same base object, for any base object.
2020
2021 2004-08-30  Richard Henderson  <rth@redhat.com>
2022
2023         * expr.c (expand_expr_addr_expr): New.
2024         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
2025
2026 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
2027
2028         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
2029         (mips_fp_condition): New enum.
2030         (mips_fp_conditions): New array.
2031         (print_fcc_operand): Delete.
2032         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
2033         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
2034         (builtin_description): Add "cond" field.
2035         (DIRECT_BUILTIN): Initialize it.
2036         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
2037         into INSN and CODE.  Initialize the "cond" field.
2038         (CMP_BUILTINS): Update accordingly.
2039         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
2040         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
2041         mips_fp_condition as argument.  Make it the final operand of the
2042         comparison instruction.
2043         (mips_expand_builtin): Update accordingly.
2044         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
2045         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
2046         the gaps.
2047         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
2048         Don't use the 'Q' operand prefix; just print the operand normally.
2049         (mips_cabs_*, mips_c_*): Delete, replacing with...
2050         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
2051         patterns.  Split the 4s versions into 2 ps patterns after reload.
2052
2053 2004-08-30  Richard Henderson  <rth@redhat.com>
2054
2055         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
2056         assuming an ADDR_EXPR is non-null.
2057
2058 2004-08-30  Jason Merrill  <jason@redhat.com>
2059
2060         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
2061
2062 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2063
2064         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
2065         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
2066         gcc_assert and gcc_unreachable instead of abort.
2067         * alloc-pool.c (abort, fancy_abort): Remove.
2068         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
2069         gcc_assert or gcc_unreachable.
2070         * attribs.c (init_attributes, decl_attributes): Likewise.
2071         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
2072         mark_bb_for_unlikely_executed_section,
2073         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
2074         fix_crossing_unconditional_branches):  Likewise.
2075         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
2076         bitmap_operation):  Likewise.
2077         * bt-load.c (insn_sets_btr_p, augment_live_range,
2078         move_btr_def):  Likewise.
2079         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
2080         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
2081         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
2082         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
2083         expand_builtin_memcmp, expand_builtin_args_info,
2084         std_gimplify_va_arg_expr, expand_builtin_unop,
2085         expand_builtin_fputs, expand_builtin_profile_func,
2086         expand_builtin_fork_or_exec, fold_builtin_bitop,
2087         fold_builtin_classify, fold_builtin_fputs): Likewise.
2088
2089 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2090
2091         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
2092         * gcov.c (abort): Remove undef.
2093
2094         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
2095         (struct tree_binfo): Remove primary field.
2096
2097 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
2098
2099         * fixinc/Makefile.in (machname.h): Remove.
2100         (fixincl.x): Do not pass $@ to genfixes.
2101         * fixinc/genfixes: Remove code to produce machname.h.
2102         * fixinc/fixincl.sh: Move it here instead.
2103         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
2104         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
2105         return a bool indicating whether pz_mn_name_pat is NULL.
2106         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
2107         Declare extern C variables for the ENV_TABLE.
2108         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
2109         instead use the result of mn_get_regexps.
2110         * fixinc/fixtests.c: Likewise.
2111
2112 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
2113
2114         * configure.ac: Do not run fixincludes after stage1 during
2115         toplevel bootstrap.
2116         * configure: Regenerate.
2117
2118 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
2119
2120         * sched-deps.c (get_condition): Partially revert previous, by never
2121         trying to extract the condition from a condjump.
2122
2123 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2124
2125         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
2126         (handle_visibility_attribute, c_determine_visibility): Likewise.
2127         * c-common.h (my_friendly_assert): Remove.
2128
2129 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
2130
2131         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
2132         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
2133         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
2134         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
2135         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
2136
2137 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
2138
2139         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
2140         in COMPONENT_REF nodes.
2141
2142 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2143
2144         PR c++/15378
2145         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
2146         global_dc->warning_as_error_requested.
2147         * diagnostic.c (diagnostic_initialize): Tidy.
2148         * diagnostic.h (diagnostic_context::x_data): Remove
2149         (diagnostic_context::issue_warnings_are_errors_message): Rename
2150         from warnings_are_errors_message.
2151         (diagnostic_context::warning_as_error_requested): New.
2152
2153 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
2154
2155         * sched-deps.c (get_condition): Fix breakage in previous patch.
2156
2157 2004-08-30  Paul Brook  <paul@codesourcery.com>
2158
2159         * doc/install.texi: Fix broken mpfr link.
2160
2161 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
2162
2163         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
2164         other FreeBSD platforms.
2165
2166 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
2167
2168         * arm.h (REVERSE_CONDITION): Define.
2169         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
2170
2171 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
2172
2173         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
2174         just the codes, call reversed_comparison_code ().
2175         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
2176         (not_reg_cond): Use reversed_comparison_code.
2177         (and_reg_cond): Likewise.
2178         * ifcvt.c (cond_exec_process_if_block): Likewise.
2179         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
2180
2181 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
2182
2183         * sched-deps.c (get_condition): Rewrite using jump support functions.
2184         Use reversed_comparison_code.
2185         (conditions_mutex_p): Use reversed_comparison_code.
2186
2187 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2188
2189         * config/mips/mips.c (override_options): Disable hot/cold partitioning
2190         for MIPS16.
2191
2192 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2193
2194         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
2195         (mips_function_type): Move to mips.c.
2196         * config/mips/mips.c (mips_builtin_type): New enum.
2197         (builtin_description): Replace code and ftype with builtin_type
2198         and function_type.
2199         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
2200         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
2201         (CODE_FOR_mips_abs_ps): Define.
2202         (mips_bdesc): Use new macros.
2203         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
2204         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
2205         (mips_expand_builtin_direct): New function.
2206         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
2207         builtin.  Replace boolean parameter with builtin_type.
2208         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
2209         (mips_expand_4s_compare_builtin): Delete, replacing with...
2210         (mips_expand_builtin_compare): ...this new function.
2211
2212 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
2213
2214         PR rtl-optimization/16590
2215         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
2216
2217 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
2218
2219         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
2220         * tree-ssa-propagate.c: Fix documentation.
2221
2222 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2223
2224         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
2225         (mov[sd]fcc): Likewise.
2226
2227 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2228
2229         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
2230
2231 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2232
2233         * config/mips/mips.md (divide_condition): New mode attribute.
2234         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
2235         (sqrt[sd]f3): Redefine using SCALARF.
2236         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
2237         patterns.
2238
2239 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2240
2241         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
2242         (loadx, storex, fmt, UNITMODE): New mode attributes.
2243         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
2244         (mul[sd]f3): Redefine using :SCALARF.
2245         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
2246         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
2247         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
2248         Check TARGET_FUSED_MADD for V2SF too.
2249         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
2250         were already named.
2251         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
2252         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
2253
2254 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2255
2256         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
2257         V2SF_type_node if it will be needed.
2258
2259 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2260
2261         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
2262         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
2263         (mips_prepare_builtin_target): New function.
2264         (mips_expand_builtin): Use them.  Update calls to subroutines.
2265         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
2266         cmp_choice with a boolean argument to select between movt and movf.
2267         Take the comparison's icode as an argument, not the function's fcode.
2268         (mips_expand_compare_builtin): New function.  Rename existing function
2269         to mips_expand_scalar_compare_builtin.
2270         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
2271         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
2272         comparison's icode as an argument, not the builtin's fcode.
2273
2274 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2275
2276         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
2277         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
2278         registers are false and -1 if all registers are true.
2279         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
2280         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
2281         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
2282         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
2283         (bc1any2t, bc1any2f): Likewise CCV2.
2284         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
2285
2286 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2287
2288         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
2289         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
2290         UNSPEC rather than an IF_THEN_ELSE.
2291         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
2292         mips_cond_move_tf_ps by name.
2293
2294 2004-08-29  Chao-ying Fu  <fu@mips.com>
2295             James E Wilson  <wilson@specifixinc.com>
2296
2297         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
2298         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
2299         * config/mips/mips-ps-3d.md: New file.
2300         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
2301         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
2302         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
2303         (mips_output_move): Emit "mov.ps" for V2SFmode.
2304         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
2305         MODE_VECTOR_FLOAT.
2306         (override_options): Check if TARGET_MIPS3D and there was an explicit
2307         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
2308         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
2309         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
2310         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
2311         and allow CCV2 and CCV4 to occupy two and four CC registers.
2312         (print_fcc_operand): New function.
2313         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
2314         %Z to call print_fcc_operand.
2315         (mips_function_value): Handle MODE_VECTOR_FLOAT.
2316         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
2317         (mips_vector_mode_supported_p): New function.
2318         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
2319         (builtin_description): New struct.
2320         (mips_bdesc): New array of struct builtin_description.
2321         (mips_expand_builtin, mips_init_builtins,
2322         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
2323         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
2324         functions.
2325         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
2326         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
2327         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
2328         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
2329         "-mips3d", and "-mno-mips3d".
2330         (ASM_SPEC): Map -mips3d to -mips3d in gas.
2331         (EXTRA_CONSTRAINT_Y): New macro.
2332         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
2333         multi-letter constraint 'Y'.
2334         (CONSTRAINT_LEN): New macro.
2335         (enum mips_builtins): New for MIPS builtin functions.
2336         (enum mips_function_type): New for the types of MIPS builtin functions.
2337         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
2338         * config/mips/mips.md: New constants for paired single and MIPS-3D
2339         instructions.  Include the new mips-ps-3d.md file.
2340         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
2341         movv2sf_hardfloat_64bit): New named patterns.
2342         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
2343         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
2344         sdxc1_v2sf_di): New unnamed patterns.
2345         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
2346         const_vector support.
2347         (const_0_or_1_operand): New predicate.
2348         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
2349
2350 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
2351
2352         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
2353         (tree-ssa-propagate.o): New rule.
2354         (GTFILES): Add tree-ssa-propagate.c.
2355         * tree-flow.h (struct stmt_ann_d): Remove field
2356         in_ccp_worklist.
2357         * tree-ssa-propagate.c: New file.
2358         * tree-ssa-propagate.h: New file.
2359         * tree-ssa-ccp.c: Re-write to use the routines from
2360         tree-ssa-propagate.c.
2361
2362 2004-08-28  Andrew Pinski  <apinski@apple.com>
2363
2364         * tree-ssa-loop.c: Remove extra include of basic-block.h.
2365
2366 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
2367
2368         * c-common.h: Update comments about ObjC/ObjC++ entry points.
2369         (objc_is_reserved_word): New prototype.
2370         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
2371         separate section; these are call-backs.
2372         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
2373         ObjC/ObjC++ "@" keywords.
2374         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
2375         prototypes; they already live in c-common.h.
2376         * stub-objc.c: Update copyright notice.
2377         (objc_is_reserved_word): New stub.
2378
2379 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
2380
2381         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
2382         even when not checking.
2383
2384 2004-08-27  Jason Merrill  <jason@redhat.com>
2385
2386         PR c++/13684
2387         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
2388         (gimple_push_cleanup): Add eh_only parm.
2389         (gimplify_target_expr): Pass it.
2390         * c.opt (-fno-threadsafe-statics): New option.
2391         * c-opts.c (c_common_handle_option): Handle it.
2392         * c-common.h (flag_threadsafe_statics): Declare it.
2393         * c-common.c (flag_threadsafe_statics): Record it.
2394         * doc/invoke.texi: Document it.
2395         * tsystem.h (_GNU_SOURCE): Define.
2396         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
2397         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
2398         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
2399         (__gthread_recursive_mutex_init_function): New fn.
2400         (__gthread_recursive_mutex_lock): New fn.
2401         (__gthread_recursive_mutex_trylock): New fn.
2402         (__gthread_recursive_mutex_unlock): New fn.
2403         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
2404         * gthr-win32.h, gthr-vxworks.h: Likewise.
2405         * gthr.h: Document.
2406
2407 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
2408
2409         * config/rs6000/rs6000.c (rs6000_override_options): Increase
2410         maximum skip to 15.  Set function alignment, jump alignment, and
2411         loop alignment to 16 for processors that form dispatch groups.
2412         (rs6000_rtx_costs): outer_code is used.
2413
2414 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
2415
2416         * stor-layout.c (sizetype_set): Remove.
2417         (set_sizetype): Don't test or set it.
2418
2419         * tree.h (size_int_type): Remove.
2420         * fold-const.c: Do not #include gt-fold-const.h.
2421         (size_htab_hash, size_htab_eq): Remove.
2422         (size_int_kind): Use build_int_cst.
2423         (new_const, size_htab): Remove.
2424         (size_int_type): Remove.
2425         (round_up): Use build_int_cst.
2426         (round_down): Likewise. Remove spurious constant build.
2427
2428 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
2429
2430         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
2431         Add is_release variable, use it for --enable-werror and
2432         --enable-checking defaults.
2433         * system.h (gcc_assert, gcc_unreachable): New.
2434         * doc/install.texi (--enable-checking): Update.
2435         * configure, config.in: Rebuilt.
2436
2437 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
2438
2439         * rtl.h (read_rtx): Change prototype.
2440         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
2441         line number.  Return true on success.
2442         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
2443         callers accordingly.
2444
2445 2004-08-26  Richard Henderson  <rth@redhat.com>
2446
2447         * c-typeck.c (build_offsetof): Remove.
2448         * c-tree.h (build_offsetof): Remove.
2449         * c-common.c (fold_offsetof_1, fold_offsetof): New.
2450         * c-common.h (fold_offsetof): Declare.
2451         * c-parse.in (offsetof_base): New.
2452         (offsetof_member_designator): Use it.  Build references, not just
2453         a tree list.
2454         (primary): Use fold_offsetof, not build_offsetof.
2455
2456 2004-08-26  Richard Henderson  <rth@redhat.com>
2457
2458         * tree.c (staticp): Return the static object.
2459         * tree.h (staticp): Update decl.
2460         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
2461         * langhooks.c (lhd_staticp): Return NULL_TREE.
2462         * langhooks-def.h (lhd_staticp): Update decl.
2463         * c-common.c (c_staticp): Return the static object.
2464         * c-common.h (c_staticp): Update decl.
2465
2466 2004-08-26  Richard Henderson  <rth@redhat.com>
2467
2468         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
2469         modes.
2470
2471 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
2472
2473         PR c/13801
2474         * c-decl.c (struct c_binding): Add type and inner_comp fields.
2475         (bind): Set type and inner_comp fields.
2476         (pop_scope): Restore type of decl to the correct type from an
2477         outer scope.  Give error when popping file scope for incomplete
2478         arrays completed incompatibly with default initialization in an
2479         inner scope.
2480         (diagnose_mismatched_decls): Handle externs with initializers at
2481         block scope.
2482         (pushdecl): Set type of external declaration at block scope based
2483         only on the visible declarations.  Save type when changing the
2484         type of a declaration.  Merge an external declaration at block
2485         scope with a visible static declaration at file scope.
2486         (implicitly_declare): Give recycled old declaration the new type
2487         except for incompatible declarations of built-in functions, saving
2488         the old type.
2489
2490 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
2491
2492         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
2493
2494 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
2495
2496         * tree-alias-common.c (gate_pta): New function.
2497         (pass_build_pta): Use it.
2498         (pass_del_pta): Use it.
2499         (delete_alias_vars): Don't check flag_tree_points_to.
2500
2501 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2502
2503         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
2504         TFmode as additional register mode cloberred by call.
2505
2506 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2507
2508         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
2509         parallel pattern for library call returning DImode in
2510         mixed mode.
2511
2512 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2513
2514         * config/rs6000/rs6000.c (function_arg): Generate parallel
2515         pattern for more split args.
2516
2517 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2518
2519         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
2520         either gen_movdi_di_update or gen_movdi_si_update depending on
2521         target mode.
2522         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
2523         to generate two versions.
2524
2525 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
2526
2527         * Makefile.in (lambda-code.o): New.
2528         (lambda-trans.o): Ditto.
2529         (TREE_DATA_REF_H): Ditto.
2530         (LAMBDA_H): Ditto.
2531         (lambda-mat.o): Use LAMBDA_H.
2532         (tree-data-ref.o): Ditto.
2533         * lambda-code.c: New file.  Lambda code generation algorithm.
2534         * lambda-trans.c: Ditto. Lambda transformation matrix support.
2535         * lambda.h: Add lambda loop structures.
2536         Add lambda loopnest structures.
2537         Add lambda body vector structure.
2538         Add lambda linear expression structures.
2539         Add prototypes for functions in new files.
2540         * lambda-mat.c: Include tree.h
2541
2542 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
2543             Sebastian Pop  <pop@cri.ensmp.fr>
2544
2545         * tree-data-ref.h: Include lambda.h
2546         (free_dependence_relation): Declared here.
2547         (free_dependence_relations): Ditto.
2548         (free_data_refs): Ditto.
2549         * tree-data-ref.c (free_dependence_relation): New function.
2550         (free_dependence_relations): Ditto.
2551         (free_data_refs): Ditot.
2552         (analyze_all_data_dependences): Free datarefs and dependence_relations.
2553         (build_classic_dist_vector): Store in the dependence_relations the
2554         information. Each arc in the dependence_relations graph is labelled
2555         with the distance and direction vectors.
2556         (build_classic_dir_vector): Ditto.
2557         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
2558         Now computes again the whole dependence graph including read-read
2559         relations.
2560         (compute_data_dependences_for_loop): Now dependence_relations contains
2561         all the data, and thus it doesn't need to initialize the classic_dir
2562         and classic_dist vectors.
2563         (analyze_all_data_dependences): Adjusted for using the new interface of
2564         compute_data_dependences_for_loop.  Remove the statistics dump.
2565
2566 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
2567
2568         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
2569         (xtensa_expand_block_move): Update comment.
2570         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
2571
2572 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
2573
2574         PR target/13506
2575         * toplev.c (crash_signal): If we crashed while emitting
2576         a user asm, then die more gracefully.
2577
2578 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2579
2580         PR target/17119.
2581         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
2582         checking for a valid constant, regardless of sign.
2583
2584 2004-08-25  Richard Henderson  <rth@redhat.com>
2585
2586         PR target/16974
2587         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
2588         if the constant satisfies add_operand.
2589
2590 2004-08-25  Richard Henderson  <rth@redhat.com>
2591
2592         PR debug/10695
2593         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
2594         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
2595         unwind info for >16-bit frames.
2596
2597 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
2598
2599         PR target/17171
2600         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
2601
2602 2004-08-25  Richard Henderson  <rth@redhat.com>
2603
2604         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
2605         (TARGET_CANNOT_FORCE_CONST_MEM): New.
2606
2607 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
2608
2609         * doc/tree-ssa.texi: Document new operand iterator.
2610
2611 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
2612
2613         PR target/16480
2614         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
2615         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
2616         as PLUS base regs.
2617
2618 2005-08-28  Paul Brook  <paul@codesourcery.com>
2619
2620         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
2621         -mfpu=vfp -march=armv5t
2622         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
2623
2624 2004-08-25  Richard Henderson  <rth@redhat.com>
2625
2626         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2627         * target.h (struct gcc_target): Add scalar_mode_supported_p.
2628         * targhooks.c (default_scalar_mode_supported_p): New.
2629         * targhooks.h (default_scalar_mode_supported_p): Declare.
2630         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
2631
2632         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
2633         before attempting to create types.  Tidy.
2634         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
2635
2636         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
2637         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2638
2639 2004-08-25  Richard Henderson  <rth@redhat.com>
2640
2641         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
2642         set REAL_MODE_FORMAT for TFmode.
2643
2644 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2645
2646         * c-decl.c (grokparm): New function.
2647         * c-tree.h (grokparm): New prototype.
2648
2649 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
2650
2651         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
2652         iterator controlling structure.
2653         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
2654         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
2655         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
2656         iterator flags.
2657         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
2658         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
2659         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
2660         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
2661         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
2662         Empty operand pointers.
2663         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
2664         (op_iter_next_use): New.  Return next use_operand_p.
2665         (op_iter_next_def): New.  Return next def_operand_p.
2666         (op_iter_next_tree): New.  Return next operands as a tree.
2667         (op_iter_init): New.  Initialize an iterator structure.
2668         (op_iter_init_use): New.  Initialize structure and get the first use.
2669         (op_iter_init_def): New.  Initialize structure and get the first def.
2670         (op_iter_init_tree): New.  Initialize structure and get the first tree.
2671         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
2672         (op_iter_init_maydef): New.  Initialize structure and get the first
2673         V_MAY_DEF operands.
2674         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
2675         * tree-dfa.c (compute_immediate_uses_for_stmt,
2676         redirect_immediate_uses): Use new operand iterator.
2677         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
2678         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
2679         operands instead of using *_disappeared_p routines.
2680         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
2681         ssa_rewrite_stmt): Use new operand iterator.
2682         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2683         rewrite_trees): Use new operand iterator.
2684         * tree-pretty-print.c (dump_vops): Use new operand iterator.
2685         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
2686         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
2687         dump_points_to_info): Use new operand iterator.
2688         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
2689         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
2690         operand iterator.
2691         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
2692         propagate_necessity): Use new operand iterator.
2693         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
2694         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
2695         a parameter instead of a stmt_ann_t.
2696         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
2697         build_tree_conflict_graph): Use new operand iterator.
2698         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
2699         rewrite_mem_refs): Use new operand iterator.
2700         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
2701         check_loop_closed_ssa_use): Use new operand iterator.
2702         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
2703         * tree-ssanames.c (release_defs): Use new operand iterator.
2704         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
2705
2706 2004-08-25  Adam Nemet  <anemet@lnxw.com>
2707
2708         * tlink.c (initial_cwd): New variable.
2709         (tlink_init): Initialize it.
2710         (recompile_files): Use tlink_execute() instead of system().  Don't
2711         duplicate verbose output of collect_execute.  Restore initial_cwd.
2712         Update comment before the function.
2713
2714 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2715
2716         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
2717         accept) a cast from one Objective-C pointer type to another.
2718
2719 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
2720
2721         * doc/install.texi: Document that libstdc++-v3 requires
2722         now automake 1.9.1.
2723
2724 2004-08-25  Caroline Tice  <ctice@apple.com>
2725
2726         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
2727         to comments at start of function.
2728         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
2729         comment.
2730         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2731         merge_blocks_move_predecessor_nojumps,
2732         merge_blocks_move_successor_nojumps, merge_blocks_move,
2733         try_crossjump_to_edge, try_crossjump_bb): Likewise.
2734         * cfglayout.c (fixup_reorder_chain): Likewise.
2735         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2736         cfg_layout_can_merge_blocks_p):  Likewise.
2737         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
2738         * passes.c (rest_of_compilation): Update comments for calling
2739         optimization that partitions hot/cold basic blocks.
2740         * doc/invoke.texi:  Update documentation of
2741         freorder-blocks-and-partition flag.
2742
2743 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2744
2745         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
2746         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
2747
2748 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2749
2750         * config/mips/mips.md (any_shift): New code macro.
2751         (optab, insn): New code attributes.
2752         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
2753         Use the standard rather than internal patterns for the MIPS16
2754         double-shift optimization.
2755         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
2756         Redefine using :GPR and any_shift.
2757         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
2758         to cover all three shifts.
2759         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
2760         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
2761         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
2762
2763 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
2764
2765         * gimplify.c (lookup_tmp_var): Separate temporaries when not
2766         optimizing.
2767
2768 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2769
2770         PR libstdc++/17005 (fix for HP-UX 11.11)
2771         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
2772         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
2773         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
2774         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
2775         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
2776         (LINK_SPEC): Handle march=1.0 option.
2777         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2778         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
2779         (SUBTARGET_OPTIONS): New define.
2780         (LINK_SPEC): Handle march=1.0 option.
2781         (STARTFILE_SPEC): New define.
2782         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2783         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
2784         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
2785         (SUBTARGET_OPTIONS): New define.
2786         (LINK_SPEC): Handle march=1.0 option.
2787         (STARTFILE_SPEC): New define.
2788         * config/pa/pa.c (override_options): Add code to process -munix= option.
2789         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
2790         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
2791         defines.
2792         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
2793         (SUBTARGET_OPTIONS): Provide default define.
2794         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
2795         STANDARD_STARTFILE_PREFIX_2): New defines.
2796         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
2797         (ENDFILE_SPEC): Use %O.
2798         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
2799         Mention issue caused by changing namespace and runtime to UNIX 95/98.
2800         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
2801         Document -munix=std option.
2802
2803 2004-08-25  Steven Bosscher  <stevenb@suse.de>
2804
2805         * cse.c (cse_around_loop, cse_check_loop_start,
2806         cse_set_around_loop): Remove.
2807         (cse_basic_block): Remove the around_loop argument.
2808         (cse_end_of_basic_block): Remove the after_loop argument.
2809         (cse_main): Likewise.
2810         * rtl.h (cse_main): Update prototype.
2811         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
2812         rest_of_handle_gcse): Update cse_main calls.
2813
2814 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
2815
2816         * tree.h  (build_int_cst): New, sign extended constant.
2817         (build_int_cstu): New, zero extended constant.
2818         (build_int_cst_wide): Renamed from build_int_cst.
2819         * tree.c (build_int_cst, build_int_cstu): New.
2820         (build_int_cst_wide): Renamed from build_int_cst.
2821         (make_vector_type, build_common_tree_nodes,
2822         build_common_tree_nodes_2): Adjust build_int_cst calls.
2823         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2824         expand_builtin_strpbrk, expand_builtin_fputs,
2825         build_string_literal, expand_builtin_printf,
2826         expand_builtin_sprintf, fold_builtin_classify_type,
2827         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
2828         fold_builtin_toascii, fold_builtin_isdigit,
2829         simplify_builtin_strstr, simplify_builtin_strpbrk,
2830         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
2831         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
2832         DEF_ATTR_INT): Likewise.
2833         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
2834         Likewise.
2835         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2836         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
2837         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2838         * c-typeck.c (really_start_incremental_init, push_init_level,
2839         set_nonincremental_init_from_string): Likewise.
2840         * calls.c (load_register_parameters): Likewise.
2841         convert.c (convert_to_pointer): Likewise.
2842         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2843         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
2844         build_gcov_info): Likewise.
2845         * except.c (init_eh, assign_filter_values): Likewise.
2846         * expmed.c (store_fixed_bit_field, extract_bit_field,
2847         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2848         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2849         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2850         * expr.c (convert_move, emit_group_load, emit_group_store,
2851         expand_assignment, store_constructor, store_field,
2852         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2853         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2854         invert_truthvalue, optimize_bit_field_compare,
2855         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2856         fold_div_compare, fold, fold_read_from_constant_string,
2857         fold_negate_const, fold_abs_const, fold_not_const, round_up,
2858         round_down): Likewise.
2859         * function.c (assign_parm_setup_block): Likewise.
2860         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
2861         Likewise.
2862         * stor-layout.c (layout_type, initialize_sizetypes,
2863         set_min_and_max_values_for_integral_type): Likewise.
2864         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2865         reset_evolution_in_loop): Likewise.
2866         * tree-chrec.h (build_polynomial_chrec): Likewise.
2867         * tree-complex.c (build_replicated_const): Likewise.
2868         * tree-eh.c (honor_protect_cleanup_actions,
2869         lower_try_finally_onedest, lower_try_finally_copy,
2870         lower_try_finally_switch): Likewise.
2871         * tree-mudflap.c (mf_build_string, mx_register_decls,
2872         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2873         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2874         * tree-pretty-print.c (dump_generic_node): Likewise.
2875         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2876         Likewise.
2877         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2878         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2879         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2880         Likewise.
2881         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
2882         canonicalize_loop_induction_variables): Likewise.
2883         * tree-vectorizer.c (vect_create_index_for_array_ref,
2884         vect_transform_loop_bound, vect_compute_data_ref_alignment):
2885         Likewise.
2886
2887         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
2888         alpha_gimplify_va_arg_1): Likewise.
2889         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2890         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2891         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2892         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2893         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2894         mips_gimplify_va_arg_expr): Likewise.
2895         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2896         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2897         add_compiler_branch_island): Likewise.
2898         * config/s390/s390.c (s390_va_start): Likewise.
2899         * config/sh/sh.c (sh_va_start): Likewise.
2900         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2901         Likewise.
2902         * config/xtensa/xtensa.c (xtensa_va_start,
2903         xtensa_gimplify_va_arg_expr): Likewise.
2904
2905         * objc/objc-act.c (build_objc_string_object,
2906         build_objc_symtab_template, init_def_list, init_objc_symtab,
2907         init_module_descriptor, generate_static_references,
2908         build_selector_translation_table, get_proto_encoding,
2909         build_typed_selector_reference, build_selector_reference,
2910         build_next_objc_exception_stuff,
2911         build_method_prototype_list_template, generate_descriptor_table,
2912         generate_protocols, build_protocol_initializer,
2913         build_ivar_list_template, build_method_list_template,
2914         build_ivar_list_initializer, generate_ivars_list,
2915         generate_dispatch_table, generate_protocol_list,
2916         build_category_initializer, build_shared_structure_initializer,
2917         generate_shared_structures, handle_impent,
2918         generate_objc_image_info): Likewise.
2919
2920 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
2921
2922         * cfglayout.c (duplicate_insn_chain): Remove references to
2923         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
2924         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
2925         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
2926         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
2927         and NOTE_INSN_LOOP_CONT.
2928         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
2929         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
2930         and NOTE_INSN_LOOP_CONT.
2931         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
2932         check_dbra_loop, loop_dump_aux): Remove references to removed notes
2933         and fields.
2934         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
2935         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
2936         references to removed notes and fields.
2937         (subtract_reg_term, ujump_to_loop_cont): Remove.
2938
2939 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
2940
2941         * doc/install.texi: Document that libcpp does not require
2942         Automake any longer.  Document that Automake 1.9.1 should
2943         work everywhere.
2944
2945 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2946
2947         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
2948         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
2949         DWARF_DEBUGGING_INFO from choice-of-definition chain;
2950         restructure using C89 features (#elif, #error).
2951         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
2952         * config/sh/sh.h: Remove references to DWARF_DEBUG.
2953         * doc/invoke.texi: Remove references to DWARF version 1;
2954         clarify why -gdwarf-2<n> doesn't work.
2955
2956 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2957
2958         * basic-block.h (BB_SET_PARTITION): Clear old value first.
2959         * cfg.c (clear_bb_flags): Don't clear partition setting.
2960         * ifcvt.c (find_if_case_1): Remove ??? comment.
2961
2962 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
2963
2964         PR target/17052
2965         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
2966         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2967         current_function_stdarg in place of sysv_varargs_p.
2968         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
2969         sysv_varargs_p.
2970
2971 2004-08-24  Richard Henderson  <rth@redhat.com>
2972
2973         PR target/16298
2974         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
2975         random codes within CONST.
2976
2977 2004-08-24  James E Wilson  <wilson@specifixinc.com>
2978
2979         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
2980         -freorder-blocks-and-partition.
2981
2982 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2983
2984         PR middle-end/17044
2985         * tree-ssa-threadupdate.c (redirection_data): Make static.
2986         (thread_block): Use ggc_alloc_cleared to allocate struct
2987         redirection_data.  Don't free elements in redirection_data.
2988
2989 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2990
2991         * config/mips/predicates.md (small_data_pattern): Match prefetches.
2992
2993 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2994
2995         PR tree-optimization/17016
2996         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2997         number_of_iterations_exit): Use POINTER_TYPE_P instead
2998         of testing for POINTER_TYPE.
2999
3000 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3001
3002         * tree-ssa-loop-ivcanon.c: New file.
3003         * tree-ssa-loop-manip.c (create_iv): New function.
3004         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
3005         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
3006         * cfgloop.c (mark_single_exit_loops): New function.
3007         (verify_loop_structure): Verify single-exit loops.
3008         * cfgloop.h (struct loop): Add single_exit field.
3009         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
3010         (mark_single_exit_loops): Declare.
3011         (tree_num_loop_insns): Declare.
3012         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
3013         (duplicate_loop_to_header_edge): Use it.
3014         * common.opt (fivcanon): New flag.
3015         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
3016         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
3017         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
3018         (bsi_insert_on_edge_immediate): New function.
3019         * tree-flow.h (bsi_insert_on_edge_immediate,
3020         canonicalize_induction_variables, tree_unroll_loops_completely,
3021         create_iv): Declare.
3022         * tree-optimize.c (init_tree_optimization_passes): Add
3023         pass_iv_canon and pass_complete_unroll.
3024         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
3025         * tree-scalar-evolution.c (get_loop_exit_condition,
3026         get_exit_conditions_rec, number_of_iterations_in_loop,
3027         scev_initialize): Use single_exit information.
3028         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
3029         missing assumptions.
3030         (loop_niter_by_eval):  Return number of iterations as unsigned
3031         int.
3032         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
3033         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
3034         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
3035         New passes.
3036         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
3037         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
3038         the defining statement is ready.
3039         * tree-vectorizer.c (vect_create_iv_simple): Removed.
3040         (vect_create_index_for_array_ref, vect_transform_loop_bound):
3041         Use create_iv.
3042         (vect_transform_loop_bound): Use single_exit information.
3043         (vect_analyze_loop_form): Cleanup bogus tests.
3044         (vectorize_loops): Do not call flow_loop_scan.
3045         * tree.h (may_negate_without_overflow_p): Declare.
3046         * fold-const.c (may_negate_without_overflow_p): Split out from ...
3047         (negate_expr_p): ... this function.
3048         (tree_expr_nonzero_p): Handle overflowed constants correctly.
3049         * doc/invoke.texi (-fivcanon): Document.
3050         * doc/passes.texi: Document canonical induction variable creation.
3051
3052 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3053
3054         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
3055         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
3056         using the mode of the operand to decide between them.
3057         * config/mips/mips.md (MOVECC): New mode macro.
3058         (ccreg): New mode attribute.
3059         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
3060         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
3061         (mov[sd]icc): Redefine using :GPR.
3062
3063 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3064
3065         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
3066         (mips_prefetch_cookie): New function.
3067         * config/mips/mips.c (print_operand_address): Fix handling of
3068         ADDRESS_CONST_INT.
3069         (mips_emit_prefetch): Delete.
3070         (mips_prefetch_cookie): New function.
3071         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
3072         mode of QImode for the address_operand.  Use mips_prefetch_cookie
3073         to calculate the first "pref" operand.
3074         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
3075         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
3076
3077 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
3078
3079         * arm.md: Include predicates.md.
3080         * predicates.md: New file.
3081         * arm.c (s_register_operand, arm_hard_register_operand)
3082         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
3083         (arm_immediate_operand, arm_neg_immediate_operand)
3084         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
3085         (arm_add_operand, arm_addimm_operand, arm_not_operand)
3086         (offsettable_memory_operand, alignable_memory_operand)
3087         (arm_reload_memory_operand, arm_float_rhs_operand)
3088         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
3089         (index_operand, shiftable_operator, logical_binary_operator)
3090         (shift_operator, equality_operator, arm_comparison_operator)
3091         (minmax_operator, cc_register, dominant_cc_register)
3092         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
3093         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
3094         (const_shift_operand, load_multiple_operation)
3095         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
3096         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
3097         (cirrus_register_operand, cirrus_fp_register)
3098         (cirrus_shift_const): Delete, replaced with equivalents in
3099         predicates.md.
3100         (shift_op): Handle ROTATE.
3101         * arm-protos.h: Delete declarations for above.
3102         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
3103         * t-arm (MD_INCLUDES): Add predicates.md.
3104         (s-preds): Depends on MD_INCLUDES.
3105
3106 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3107
3108         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
3109         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
3110         patterns.  Redefine using :GPR.  Give the match_operator a mode.
3111         Use '%2' rather than '%z2' for operand 2.
3112
3113 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3114
3115         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
3116         attribute.
3117
3118 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3119
3120         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
3121         of internal patterns.
3122         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
3123         Redefine using :P.
3124         (tablejump): Use expand_binop to calculate address.  Adjust names
3125         of internal patterns.
3126         (tablejump[sd]i): Renamed from tablejump_internal[12].
3127         Redefine using :P.
3128         (tablejump_mips16[12]): Delete.
3129
3130 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3131
3132         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
3133         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
3134         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
3135         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
3136         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
3137
3138 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
3139
3140         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
3141         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
3142         using :GPR.
3143         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
3144         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
3145         (*branch_equality[sd]i_inverted): Likewise
3146         branch_equality{,_di}_inverted.
3147         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
3148         Redefine using :GPR.
3149
3150 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
3151
3152         * rtl.def: Reorganize, placing all codes used only in machine
3153         descriptions at the end.
3154
3155         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
3156         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
3157         rtx_name, rtx_format arrays by direct reference to rtl.def,
3158         first undefining GENERATOR_FILE.  Define enum insn_note and
3159         note_insn_name array by direct reference to insn-notes.def.
3160         (adjust_field_rtx_def): Remove local definition of rtx_name.
3161         Use symbolic names for insn notes.
3162         * Makefile.in (gengtype.o): Update dependencies.
3163
3164 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
3165
3166         * basic-block.h (struct basic_block_def): Reorder fields to
3167         eliminate interior padding.  Remove 'partition' field.
3168         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
3169         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
3170         (BB_COPY_PARTITION): New macros.
3171         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
3172         Replace all references to the 'partition' field of a basic
3173         block with new macros.
3174
3175         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3176         * final.c (final_scan_insn): Don't handle it.
3177         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
3178         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
3179         * sched-rgn.c (sched_is_disabled_for_current_region_p):
3180         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
3181
3182 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
3183
3184         * c-decl.c (c_init_decl_processing): Adjust
3185         build_common_tree_nodes call.
3186         * expmed.c (const_mult_add_overflow_p): Use
3187         build_distinct_type_copy.
3188         * stor-layout.c (early_type_list): Remove.
3189         (layout_type): Don't append to early_type_list.
3190         (initialize_sizetypes): Add signed_p argument.
3191         (set_sizetype): Overwrite the stub type nodes directly.
3192         * tree.c (copy_node_stat): Clear a type's value cache here ...
3193         (build_distinct_type): ... not here.
3194         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
3195         * tree.h (initialize_sizetypes): Add signed_p argument.
3196         (build_common_tree_nodes): Likewise.
3197
3198         * objc/objc-act.c (get_static_reference): Use
3199         build_variant_type_copy.
3200         (get_protocol_reference): Likewise.
3201         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
3202
3203 2004-08-24  Richard Henderson  <rth@redhat.com>
3204             Andrew Pinski  <apinski@apple.com>
3205
3206         * gimplify.c (gimplify_array_ref_to_plus): Delete.
3207         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
3208         for ARRAY_REF.
3209
3210         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
3211         ARRAY_REF also to get to the STRING_CST.
3212
3213 2004-08-24  Paul Brook  <paul@codesourcery.com>
3214
3215         * config/arm/arm.c (arm_override_options): Update error message.
3216         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
3217         TARGET_HARD_FLOAT_ABI.
3218         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
3219         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
3220
3221 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3222
3223         PR target/17093
3224         * config/m32r.md (movsi_sda): Add SI mode specification to
3225         UNSPEC.
3226
3227 2004-08-24  Nick Clifton  <nickc@redhat.com>
3228
3229         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
3230         of seth_add3_operand.
3231
3232 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
3233
3234         * Makefile.in (PROTO_OBJS): Add errors.o.
3235         * protoize.c (fancy_abort): Remove.
3236         * mips-tfile.c (fancy_abort): Add parameters.
3237
3238 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
3239
3240         * doc/trouble.texi (C++ misunderstandings): Fix example code.
3241
3242 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
3243
3244         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
3245         (host-default.o): Add dependency on HOOKS_H.
3246         * config/x-linux: Likewise.
3247         * config/x-solaris: Likewise.
3248         * config/i386/x-mingw32: Likewise.
3249         * config/rs6000/x-darwin: Likewise.
3250
3251 2004-08-23  James E Wilson  <wilson@specifixinc.com>
3252
3253         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
3254         DEF_REG_NOTE.
3255
3256 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
3257
3258         PR c/14492
3259         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
3260
3261 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
3262
3263         * cfg.c (check_bb_profile): Fix typos.
3264         * function.c (assign_parm_is_stack_parm): Likewise.
3265         * tree-nested.c: Likewise.
3266
3267 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
3268
3269         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
3270         Remove TYPECODE.
3271         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
3272
3273 2004-08-23  Eric Christopher  <echristo@redhat.com>
3274
3275         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
3276         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
3277         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
3278         * target.h: Ditto.
3279         * hooks.h: Include machmode.h.
3280         (hook_bool_mode_false): Declare.
3281         * hooks.c (hook_bool_mode_false): Define.
3282         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
3283         * stor-layout.c (layout_type): Ditto.
3284         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
3285         Define to target macro.
3286         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
3287         * config/arm/arm.c: Ditto. Use.
3288         * config/arm/arm.h: Ditto.
3289         * config/arm/arm-protos.h: Ditto.
3290         * config/i386/i386.c: Ditto.
3291         * config/i386/i386.h: Ditto.
3292         * config/rs6000/rs6000.c: Ditto.
3293         * config/rs6000/rs6000.h: Ditto.
3294         * config/sh/sh.c: Ditto.
3295         * config/sh/sh.h: Ditto.
3296         * config/sh/sh-protos.h: Ditto.
3297         * config/sh/sh.md: Use.
3298         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
3299         to TARGET_VECTOR_MODE_SUPPORTED_P.
3300
3301 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
3302
3303         * Makefile.in (BUILD_ERRORS): Set to build-errors.
3304         (errors.o): New target for host.
3305         (build-errors.o): New target for build.
3306         (genobjs): Replace errors.o with build-errors.
3307         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
3308         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
3309         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
3310         (fix-header.o): Add errors.h
3311         * collect2.c (fancy_abort): Add parameters.
3312         * collect2.h (fancy_abort): Don't declare.
3313         * errors.h (fancy_abort): Don't declare.
3314         * errors.c: Include either bconfig.h or config.h.
3315         (fancy_abort): Trim filename.
3316         * fix-header.c (v_fatal, fatal): Remove.
3317         (progname): Remove definition.
3318         (main): Set progname here.
3319         * gcc.c (fancy_abort): Add parameters.
3320         * gcc.h (fancy_abort): Remove declaration.
3321         * gcov.c (fancy_abort): Remove.
3322         * rtl.h (fancy_abort): Don't declare.
3323         (abort): Don't define.
3324         * tree.h (fancy_abort): Don't declare.
3325         (abort): Don't define.
3326         * system.h (fancy_abort): Declare.
3327         (abort): Define to fancy_abort.
3328         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
3329
3330         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
3331         (usize_type, ubitsizetype): Remove.
3332         * stor-layout.c (set_sizetype): Don't initialize usizetype,
3333         ubitsizetype.
3334         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
3335
3336         * tree.h (build_distinct_type_copy): New.
3337         (build_type_copy): ... here.  Rename to ...
3338         (build_variant_type_copy): ... here.
3339         * tree.c (build_qualified_type): Rename build_type_copy call.
3340         (build_distinct_type_copy): New, broken out of ...
3341         (build_type_copy): ... here.  Rename to ...
3342         (build_variant_type_copy): ... here.  Use
3343         build_distinct_type_copy.
3344         (build_common_tree_nodes_2): Rename build_type_copy call.
3345         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
3346         call.
3347         (handle_packed_attribute, handle_unused_attribute,
3348         handle_transparanet_union_attribute, handle_aligned_attribute,
3349         handle_deprecated_attribute): Likewise.
3350         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
3351         Likewise.
3352         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
3353         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
3354         build_distinct_type_copy.
3355
3356 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3357
3358         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
3359         attribute.
3360
3361 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3362
3363         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
3364         loads and stores.
3365         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
3366         formerly unnamed patterns.  Redefine using :P for the address.  Remove
3367         explicit length attributes.
3368
3369 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3370
3371         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
3372         New functions.
3373         (single_reachable_address): Use them.
3374         (schedule_sm): Add dump.
3375         (is_call_clobbered_ref): New function.
3376         (determine_lsm_reg): Check whether the reference is call clobbered.
3377         Only work for gimple_reg_type values.
3378
3379 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3380
3381         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
3382         $31 store insns.  Redefine using :GPR.
3383
3384 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3385
3386         * config/mips/mips.md (P): New mode macro.
3387         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
3388         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
3389         Add mode attributes.
3390
3391 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3392
3393         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
3394         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
3395         later constants to cover the gap.
3396         (load, store): New mode attributes.
3397         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
3398         Use new unspec constants.
3399
3400 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3401
3402         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
3403         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
3404         to use register_operand rather than uns_arith_operand as the predicate
3405         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
3406         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
3407         Redefine using :GPR.  Make same predicate change here.  Extend the
3408         commutativity of operands 1 and 2 from the SImode version to the
3409         DImode one.
3410         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
3411         but with no predicate changes.
3412         (*nor[sd]i3): Redefine using :GPR.
3413
3414 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3415
3416         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
3417         noreturn functions.
3418
3419 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3420
3421         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
3422         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
3423         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
3424         rather than "%z2" (with a fake const0_rtx for operand 2).
3425         (ffs[sd]i2): Redefine using :GPR.
3426         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
3427
3428 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3429
3430         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
3431
3432 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3433
3434         * config/mips/mips.md (any_extend): New code macro.
3435         (u, su): New code attributes.
3436         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
3437         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
3438         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
3439         (*{s,u}mul_acc_di): Redefine using any_extend.
3440         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
3441         to reflect real insn names.
3442         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
3443         with an any_extend template.
3444         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
3445         Add '*' to name.
3446
3447 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3448
3449         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
3450         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
3451         (mul[sd]i3_r4000): Redefine using :GPR.
3452         (mulsi3_mult3): Don't check TARGET_MAD separately.
3453         (muldi3_mult3): Moved after mulsi_mult3.
3454
3455 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3456
3457         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
3458         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
3459         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
3460         (TARGET_GAS, TARGET_MIPS_AS): Delete.
3461         (TARGET_GPWORD): Define to true for n32 on IRIX.
3462         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
3463         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
3464         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
3465         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
3466         (MDEBUG_ASM_SPEC): Delete, folding into...
3467         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
3468         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
3469         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
3470         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
3471         to define asm_abi_default_spec.
3472         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
3473         (TARGET_ASM_SELECT_SECTION): Delete.
3474         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
3475         for non-mips16 code, removing previous workaround for SGI assemblers.
3476         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
3477         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
3478         (override_options): Remove !TARGET_GAS and !have_named_sections code.
3479         (print_operand): Fold TARGET_GAS conditionals into asm strings.
3480         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
3481         ASM_STABS_OP and ASM_STABN_OP.
3482         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
3483         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
3484         (mips_output_function_prologue): Remove !TARGET_GAS code.
3485         (mips_select_rtx_section): Remove !have_named_sections code.
3486         (mips_select_section): Delete.
3487         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
3488         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
3489         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
3490         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
3491         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
3492         * config/mips/windiss.h (ASM_SPEC): Likewise.
3493
3494 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3495
3496         * read-rtl.c (map_value, mapping, macro_group): New structures.
3497         (BELLWETHER_CODE): New macro.
3498         (modes, codes, bellwether_codes): New variables.
3499         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
3500         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
3501         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
3502         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
3503         (add_map_value, initialize_macros): New functions.
3504         (def_hash, def_hash_eq_p): Generalize to anything that points to,
3505         or starts with, a char * field.
3506         (find_macro, read_mapping, check_code_macro): New functions.
3507         (read_rtx_1): New, split out from read_rtx.  Handle the new
3508         define_{mode,code}_{macro,attr} constructs.  Use find_macro
3509         to parse the name of a code or mode.  Use BELLWETHER_CODE to
3510         extract the format and to choose a suitable code for rtx_alloc.
3511         Modify recursive invocations to use read_rtx_1.
3512         (read_rtx): Call initialize_macros.  Apply code and mode macros
3513         to the rtx returned by read_rtx_1.  Cache everything after the
3514         first macro expansion for subsequent read_rtx calls.
3515         * doc/md.texi: Document new .md constructs.
3516         * config/mips/mips.md (GPR): New mode macro.
3517         (d, si8_di5): New mode attributes.
3518         (any_cond): New code macro.
3519         (add[sd]i3): Redefine using :GPR.
3520         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
3521         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
3522         previously unnamed MIPS16 patterns.
3523         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
3524         lines.  Don't match (plus (const_int 0) ...).
3525         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
3526         Use a define_split to generate the addition.
3527         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
3528         (subsi3_internal): Delete.
3529         (*subsi3_extended): Renamed from subsi3_internal_2.
3530         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
3531         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
3532         using an any_cond template.
3533
3534 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3535
3536         * read-rtl.c (read_rtx): Tidy use of format_ptr.
3537
3538 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3539
3540         * read-rtl.c (string_obstack): New file-scope variable.
3541         (read_string, read_quoted_string, read_braced_string)
3542         (read_escape): Remove obstack parameter and use string_obstack instead.
3543         (read_rtx): Remove function-local rtl_obstack and initialize
3544         string_obstack instead.  Update call to read_string.
3545
3546 2004-08-22  Andrew Pinski  <apinski@apple.com>
3547
3548         PR c/15262
3549         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
3550         expression is not constant.
3551         (c_finish_return): Do not go through INDIRECT_REF when looking
3552         for the inner expression of an ADDR_EXPR for warning about.
3553
3554 2004-08-22  Richard Henderson  <rth@redhat.com>
3555
3556         PR 17075
3557         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
3558         create new blocks and fall through.
3559         (expand_gimple_basic_block): Update to match.
3560
3561 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
3562
3563         * reload.c (find_reloads_address): Make return value tri-state.
3564         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
3565         (find_reloads): Assume that reloaded addresses match 'o' or
3566         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
3567         returned 1 (not -1).  Omit optional reloads for address operands
3568         only if find_reloads_address returned 1 (not -1).
3569
3570         * config/s390/s390.c (legitimize_reload_address): New function.
3571         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
3572         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
3573         legitimize_reload_address.
3574
3575 2004-08-22  Richard Hendersion  <rth@redhat.com>
3576
3577         * tree.h (SAVE_EXPR_RESOLVED_P): New.
3578         * gimplify.c (gimplify_save_expr): Use it.
3579         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
3580         on the temporary variable.
3581
3582 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3583
3584         * fold-const.c (rtl_expr_nonnegative_p): Delete.
3585         * tree.h (rtl_expr_nonnegative_p): Remove.
3586
3587 2004-08-22  Steven Bosscher  <stevenb@suse.de>
3588
3589         * config/i386/ppro.md (ppro_complex_insn): Add missing check
3590         for cpu==pentiumpro.
3591
3592         * combine.c (struct reg_stat): Fix comment typo.
3593
3594 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3595
3596         * c-tree.h (c_sizeof_nowarn): Remove.
3597
3598 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
3599
3600         * c-decl.c (set_array_declarator_type): Rename to
3601         set_array_declarator_inner.
3602         (build_c_parm, build_attrs_declarator, build_function_declarator):
3603         New functions.
3604         (make_pointer_declarator): Call build_attrs_declarator.
3605         * c-tree.h (set_array_declarator_type): Rename to
3606         set_array_declarator_inner.
3607         (build_c_parm, build_attrs_declarator, build_function_declarator):
3608         New prototypes.
3609         * c-parse.in (after_type_declarator,
3610         parm_declarator_starttypename, parm_declarator_nostarttypename,
3611         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
3612         firstparm): Use these functions
3613
3614 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
3615
3616         * c-decl.c (build_array_declarator, set_array_declarator_type,
3617         start_decl, grokdeclarator, grokparms): Change boolean parameters
3618         to type bool.
3619         * c-tree.h (build_array_declarator, set_array_declarator_type,
3620         start_decl): Update prototypes.
3621         * c-decl.c, c-parse.in: All callers changed.
3622
3623 2004-08-21  Mike Stump  <mrs@apple.com>
3624
3625         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
3626         (darwin_fix_and_continue): Likewise.
3627         (darwin_fix_and_continue_switch): Likewise.
3628         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
3629         (darwin_fix_and_continue): Likewise.
3630         (darwin_fix_and_continue_switch): Likewise.
3631
3632 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
3633
3634         PR  c++/16030
3635         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
3636         Remove, merging into ...
3637         (gen_stdcall_or_fastcall_suffix): New function, returning tree
3638         rather than const char*, and accepting additional parameter.
3639         Don't add suffix to '*'-prefixed symbols or variadic functions.
3640         (i386_pe_encode_section_info): Adjust for call to new function.
3641         Call change_decl_assembler_name.
3642
3643 2004-08-20  Mike Stump  <mrs@apple.com>
3644
3645         * config/darwin.c (machopic_indirect_data_reference): Mark
3646         stubs as defined.
3647         * config/386/386.c (darwin_local_data_pic): Add.
3648         (legitimate_constant_p): Reorder so that PLUS handling runs
3649         before darwin_local_data_pic to match the ordering in
3650         legitimate_pic_address_disp_p and so that MINUS runs after
3651         darwin_local_data_pic as otherwise the darwin_local_data_pic
3652         logic can be skipped, which would be very bad.
3653         (legitimate_pic_address_disp_p): Move from from here to
3654         darwin_local_data_pic so it can be reused.
3655
3656 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
3657
3658         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
3659         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
3660         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
3661         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
3662         (RS6000_ABI_NAME): Define as "linux".
3663         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
3664         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
3665         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
3666         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
3667         * config/rs6000/rs6000.c (dot_symbols): New global var.
3668         (rs6000_output_function_entry): New function, modified for
3669         !DOT_SYMBOLS..
3670         (print_operand <case 'z'>): ..extracted from here.
3671         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
3672         (rs6000_output_function_epilogue): Likewise.
3673         (rs6000_elf_declare_function_name): Likewise.
3674         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
3675         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
3676         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
3677         * configure: Regenerate.
3678         * config.in: Regenerate.
3679
3680 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3681
3682         * reload.c (find_reloads_address): Fix thinko in previous change.
3683
3684         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
3685         a CONST_INT.
3686
3687 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
3688
3689         PR rtl-optimization/17099
3690         * combine.c (force_to_mode): Check if inner_mask has any bits set
3691         outside of GET_MODE (x) instead of op_mode.
3692
3693 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3694
3695         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
3696         fragment.
3697         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
3698         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
3699         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
3700         architecture.
3701         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
3702         configurations.
3703         * config/arm/t-symbian: New file.
3704
3705 2004-08-20  Andrew Pinski  <apinski@apple.com>
3706
3707         * regrename.c (kill_value_regno): ANSIfy.
3708
3709 2004-08-20  Dale Johannesen  <dalej@apple.com>
3710
3711         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
3712
3713 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
3714
3715         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
3716         (kill_value_regno): New function, derived from kill_value.
3717         (kill_value): Update.
3718         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
3719
3720 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
3721
3722         Fix PR tree-optimization/17111
3723         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
3724         of non-value_handles.
3725         (bitmap_set_contains): All constants are in every set.
3726
3727 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3728
3729         * fold-const.c (round_up, round_down): Use build_int_cst.
3730         Optimize common case.
3731
3732 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
3733             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3734
3735         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
3736         one_only_data_section): Rename to som_readonly_data_section,
3737         som_one_only_readonly_data_section and som_one_only_data_section.
3738         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
3739         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
3740         conditional defines.
3741         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
3742         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
3743         string values.
3744         (pa_select_section): Use renamed section functions.
3745         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3746         SOM_READONLY_DATA_SECTION_FUNCTION,
3747         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3748         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
3749         Define here ...
3750         * config/pa/som.h: ... not here.
3751         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3752         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
3753         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3754         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
3755         (READONLY_DATA_SECTION): Use som_readonly_data_section.
3756
3757 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3758
3759         * fold-const.c (int_const_binop): Don't generate non-overflowing
3760         size-types specially.
3761         (fold_convert_const): Likewise.
3762
3763         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
3764         clear cache on copied sizetype.
3765
3766 2004-08-20  Ben Elliston  <bje@au.ibm.com>
3767
3768         * configure.ac: Don't escape apostrophe in --enable-coverage help.
3769         * configure: Regenerate.
3770
3771 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3772
3773         PR 5620
3774         * gcc.c (struct stat input_stat): Don't define if
3775         HOST_LACKS_INODE_NUMBERS
3776         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
3777         than stat to determine if temp file is same as input file.
3778         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
3779         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
3780
3781 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
3782
3783         * configure.ac (mips*-*-*): Print an error if not using GAS.
3784         * configure: Regenerated.
3785         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
3786         comments about buggy MIPSpro assemblers.
3787         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
3788         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
3789         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
3790         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
3791         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
3792         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
3793         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
3794         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
3795         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
3796         of more general IRIX 6 definitions.
3797         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
3798         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
3799         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
3800         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
3801         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3802         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
3803         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
3804         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
3805         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
3806         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
3807         (LINK_SPEC): Move most of definition to iris.h.
3808         (SUBTARGET_LINK_SPEC): New macro.
3809         (IRIX_STARTFILE_SPEC): Fold into...
3810         (STARTFILE_SPEC): ...here.
3811         (IRIX_ENDFILE_SPEC): Fold into...
3812         (ENDFILE_SPEC): ...here.
3813         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
3814         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
3815         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
3816         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
3817         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
3818         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
3819         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
3820         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3821         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
3822         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
3823         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
3824         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
3825         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
3826         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
3827         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
3828         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
3829         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
3830         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
3831         (TARGET_IRIX6): Define to 1.
3832         (DRIVER_SELF_SPECS): Define.
3833         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
3834         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
3835         (SUBTARGET_LINK_SPEC): New macro.
3836         (IRIX_STARTFILE_SPEC): Fold into...
3837         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
3838         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
3839         (LIB_SPEC, LIBGCC_SPEC): Use them.
3840         (LIB_SPEC): Remove !mabi=* case.
3841         (IRIX_ENDFILE_SPEC): Fold into...
3842         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
3843         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
3844         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
3845         (TARGET_IRIX6): New macro.
3846         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
3847         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
3848         (LABEL_AFTER_LOC): Delete.
3849         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
3850         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
3851         (mips_build_builtin_va_list): Check TARGET_IRIX6.
3852         (override_options): Remove TARGET_SGI_O32_AS-related code.
3853         (irix_output_external_libcall): Make static.
3854         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
3855         LABEL_AFTER_LOC.
3856         (mips_file_start): Tidy guard for ABI sections.  Remove use of
3857         ABICALLS_ASM_OP; use .abicalls instead.
3858         (mips_output_aligned_decl_common, mips_declare_object_name)
3859         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
3860         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
3861         .globl foo .text directives.
3862         (irix_asm_named_section_1, irix_asm_named_section)
3863         (irix_section_align_entry, irix_section_align_htab)
3864         (irix_orig_asm_out_file, irix_section_align_entry_eq)
3865         (irix_section_align_entry_hash, irix_asm_output_align)
3866         (irix_file_start, irix_section_align_1, copy_file_data)
3867         (irix_file_end, irix_section_type_flags): Delete.
3868         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
3869         Use standard section syntax.  Remove protective "jr $31".
3870         (__gcc_fini): Likewise .gcc_fini.
3871         * config/mips/irix-crtn.asm: Adjust sections accordingly.
3872         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
3873         iris5gas.h.
3874         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
3875         from t-irix-gld.
3876         (EXTRA_MULTILIB_PARTS): Define.
3877         * config/mips/t-iris6: Remove bogus comment.
3878         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
3879         * config/mips/iris5gas.h, config/mips/iris5gld.h,
3880         config/mips/iris6gas.h, config/mips/iris6gld.h,
3881         config/mips/t-iris5-as, config/mips/t-iris5-gas
3882         config/mips/t-irix-gld: Delete.
3883         * config/mips/iris.h: New file.
3884         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
3885
3886 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
3887
3888         * postreload.c (reload_cse_move2add): Allow any condjump, but check
3889         that the implicit set isn't clobbered in the jump insn.
3890
3891 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3892
3893         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
3894         * optabs.c (init_optabs): Don't check it.
3895         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
3896         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
3897
3898 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
3899
3900         * config/s390/s390.md (s390_warn_framesize_string)
3901         (s390_warn_dynamic_string, s390_stack_size_string)
3902         (s390_stack_guard_string): New global string variables.
3903         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
3904         (s390_stack_guard): New global variables.
3905         (override_options): Added checks for the new options.
3906         (s390_emit_prologue): Emit stack check and trap code and perform
3907         compile time stack size checking.
3908
3909         * config/s390/s390.h (TARGET_OPTIONS): Added new options
3910         "warn-framesize", "warn-dynamicstack", "stack-size" and
3911         "stack-guard".
3912
3913         * doc/invoke.texi: Added documentation for the new options.
3914
3915 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3916
3917         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
3918         to eliminate warning.
3919         (linear_search_fdes): Declare p as unsigned.
3920         (binary_search_mixed_encoding_fdes): Likewise.
3921         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
3922         to eliminate warning.
3923         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
3924         type cast.
3925
3926 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3927
3928         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
3929         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
3930         instead of one.  Check for strictly legitimate address.
3931         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
3932         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
3933
3934 2004-08-19  Eric Christopher  <echristo@redhat.com>
3935
3936         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
3937         * langhooks.h (unsave_expr_now): Ditto.
3938         * tree.h (unsave_expr_1): Remove prototype.
3939         (lhd_unsave_expr_now): Rename to unsave_expr_now.
3940         * tree-inline.c (unsave_expr_1): Move here
3941         from tree.c. Make static.
3942         (unsave_expr_now): Rename from lhd_unsave_expr_now.
3943         * tree-sra.c: Fix up for rename.
3944         * tree-ssa-copy.c: Ditto.
3945         * tree-eh.c: Ditto.
3946         * tree.c (unsave_expr_1): Move to tree-inline.c.
3947
3948 2004-08-19  Caroline Tice  <ctice@apple.com>
3949
3950         * config/i386/cygming.h (switch_to_section):  Fix typo (change
3951         in_unlikely_text_section to in_unlikely_executed_text).
3952
3953 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
3954
3955         * vec.h (VEC_lower_bound): New macro.
3956
3957 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
3958
3959         PR target/16446
3960         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
3961         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
3962         treat each ABI separately.  Deal with n32/n64 complex float arguments.
3963         (function_arg): Add associated complex handling here.
3964
3965 2004-08-19  Richard Henderson  <rth@redhat.com>
3966
3967         * config/arm/arm.c (arm_gen_load_multiple): Use
3968         adjust_automodify_address.  Take base memory and offset instead
3969         of unchanging/struct/scalar bits.
3970         (arm_gen_store_multiple): Likewise.
3971         (arm_gen_movmemqi): Use adjust_automodify_address.
3972         * config/arm/arm-protos.h: Update decls.
3973         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
3974         (store_multiple): Similarly.
3975
3976 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
3977
3978         * regclass.c (globalize_reg): Update call_really_used_regs.
3979
3980 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
3981
3982         * doc/invoke.texi (integer-share-limit): Document.
3983
3984         * tree.h (TYPE_CACHED_VALUES_P): New.
3985         (TYPE_CACHED_VALUES): New.
3986         (TYPE_ORIG_SIZE_TYPE): Adjust.
3987         * tree.def (INTEGER_CST): Update documentation.
3988         * tree.c: Inlcude params.h.
3989         (build_int_cst): Cache small values.
3990         (build_type_copy): Do not copy the value cache.
3991         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
3992         unneeded zeroing.
3993         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
3994         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
3995         cache.
3996         * fold-const.c (force_fit_type): Copy value when setting
3997         overflows.
3998         (int_const_binop): Likewise.
3999         * stor-layout.c: Include params.h
4000         (set_sizetype): Create values cache.
4001         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
4002         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
4003         * params.h (INTEGER_SHARE_LIMIT): New.
4004         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
4005
4006 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
4007
4008         * gimplify.c (gimplify_minimax_expr): Remove.
4009         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
4010
4011 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
4012
4013         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
4014         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
4015
4016 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
4017
4018         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
4019
4020 2004-08-18  Andrew Pinski  <apinski@apple.com>
4021
4022         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
4023
4024 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
4025
4026         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
4027         (__aeabi_ul2f): Likewise.
4028
4029 2004-08-18  Richard Henderson  <rth@redhat.com>
4030
4031         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
4032         move to rtl completely.
4033         (struct meminsnbuf, xtensa_emit_block_move): Remove.
4034         (xtensa_find_mode_for_size): Remove.
4035         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
4036         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
4037
4038 2004-08-18  Richard Henderson  <rth@redhat.com>
4039
4040         * config/mcore/mcore.c (mode_from_align): Remove DImode.
4041         (block_move_sequence): Rewrite to use adjust_address.
4042         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
4043         Return boolean indicating success/failure.
4044         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
4045         * config/mcore/mcore.md (movmemsi): Update to match.
4046
4047 2004-08-18  Mike Stump  <mrs@apple.com>
4048
4049         * doc/invoke.texi (-mfix-and-continue): Add support for
4050         fast turn around debugging.
4051         (-ffix-and-continue): Likewise.
4052         (-mindirect-data): Likewise.
4053         (-findirect-data): Likewise.
4054         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
4055         (indirect_data): Likewise.
4056         (machopic_data_defined_p): Likewise.
4057         (machopic_output_indirection): Likewise.
4058         (darwin_encode_section_info): Likewise.
4059         (darwin_fix_and_continue): Likewise.
4060         (darwin_fix_and_continue_switch): Likewise.
4061         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
4062         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
4063         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
4064         (SUBTARGET_OPTIONS): Likewise.
4065         (darwin_fix_and_continue): Likewise.
4066         (darwin_fix_and_continue_switch): Likewise.
4067         (TARGET_FIX_AND_CONTINUE): Likewise.
4068         * config/rs6000.c (rs6000_emit_prologue): Likewise.
4069
4070 2004-08-19  Steven Bosscher  <stevenb@suse.de>
4071
4072         * basic-block.h (struct edge_def): Remove crossing_edge.
4073         (EDGE_CROSSING): New define.
4074         (EDGE_ALL_FLAGS): Update.
4075         * bb-reorder.c (find_traces_1_round, better_edge_p,
4076         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
4077         find_jump_block, fix_crossing_conditional_branches,
4078         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
4079         Replace all occurences of crossing_edge with an edge flag check
4080         or set/reset.
4081         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
4082         try_crossjump_bb): Likewise.
4083         * cfglayout.c (fixup_reorder_chain): Likewise.
4084         * cfgrtl.c (force_nonfallthru_and_redirect,
4085         commit_one_edge_insertion): Likewise.
4086
4087         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
4088         * tree-flow.h (compute_dominance_frontiers): Move prototype...
4089         * basic-block.h:  ...here.
4090         * tree-cfg.c (compute_dominance_frontiers_1,
4091         compute_dominance_frontiers): Move from here...
4092         * cfganal.c: ...to here.  Include timevar.h.
4093
4094 2004-08-18  James E Wilson  <wilson@specifixinc.com>
4095
4096         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
4097         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
4098
4099         * config/mips/mips.md (type): Add frdiv.
4100         (divsf3+1, divsf3+2): Change type to frdiv.
4101         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
4102         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
4103
4104         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
4105         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
4106         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
4107         * config/mips/5000.md (r5k_fdiv_single): Likewise.
4108         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
4109         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
4110         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
4111         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
4112         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
4113         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
4114         Likewise.
4115         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
4116
4117 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
4118
4119         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
4120         get regression tester working again.
4121
4122 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
4123
4124         * insn-notes.def, reg-notes.def: New files.
4125         * rtl.h: Use them to define enum insn_note and enum reg_note.
4126         * rtl.c: Use them to define note_insn_name and reg_note_name.
4127         * Makefile.in (RTL_BASE_H): Update.
4128
4129         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
4130         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
4131
4132 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
4133
4134         * arm.c (arm_size_rtx_costs): New function.
4135         (arm_override_options): Use it if optimizing for space.
4136
4137 2004-08-18  Richard Henderson  <rth@redhat.com>
4138
4139         * emit-rtl.c (gen_const_mem): New.
4140         * rtl.h (gen_const_mem): Declare.
4141         * expr.c (do_tablejump): Use it.
4142         * varasm.c (force_const_mem): Likewise.
4143         * config/darwin.c (machopic_indirect_data_reference): Likewise.
4144         (machopic_legitimize_pic_address): Likewise.
4145         * config/arm/arm.c (legitimize_pic_address): Likewise.
4146         * config/i386/i386.c (legitimize_pic_address): Likewise.
4147         (legitimize_tls_address): Likewise.
4148         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
4149         * config/ia64/ia64.md (load_fptr): Likewise.
4150         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
4151         * config/pa/pa.c (legitimize_pic_address): Likewise.
4152         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
4153         (rs6000_emit_move): Likewise.
4154         * config/s390/s390.c (legitimize_pic_address): Likewise.
4155         (legitimize_tls_address): Likewise.
4156         * config/s390/s390.md (casesi): Likewise.
4157         * config/sh/sh.c (sh_reorg): Likewise.
4158         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
4159         * config/v850/v850.md (casesi): Likewise.
4160
4161         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
4162         * config/sh/sh.c (prepare_move_operands): Remove incorrect
4163         use of MEM_READONLY_P.
4164
4165 2004-08-18  Steven Bosscher  <stevenb@suse.de>
4166
4167         * Makefile.in (OBJS-common): Add postreload-gcse.c.
4168         Add new postreload-gcse.o.
4169         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
4170         (lookup_as_function, insert, rehash_using_reg, use_related_value,
4171         equiv_constant): Use SAFE_HASH instead of safe_hash.
4172         (exp_equiv_p): Export.  Add for_gcse argument when comparing
4173         for GCSE.
4174         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
4175         find_comparison_args, fold_rtx, cse_insn): Update callers.
4176         (hash_rtx): New function derived from old canon_hash and bits
4177         from gcse.c hash_expr_1.
4178         (canon_hash_string): Rename to hash_rtx_string.
4179         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
4180         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
4181         (cselib_lookup): Update this caller.
4182         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
4183         Make static.
4184         (hash_expr): Call hash_rtx.
4185         (ldst_entry): Likewise.
4186         (expr_equiv_p): Call exp_equiv_p.
4187         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
4188         reg_used_on_edge, reg_set_between_after_reload_p,
4189         reg_used_between_after_reload_p, get_avail_load_store_reg,
4190         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
4191         get_bb_avail_insn, hash_scan_set_after_reload,
4192         compute_hash_table_after_reload,
4193         eliminate_partially_redundant_loads, gcse_after_reload,
4194         get_bb_avail_insn, gcse_after_reload_main): Remove.
4195         * postreload-gcse.c: New file, reincarnating most of the above.
4196         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
4197         (gcse_after_reload_main): Update prototype.
4198         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
4199         * passes.c (rest_of_handle_gcse2): Use it.
4200
4201 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
4202
4203         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
4204         (pass_loop_done): Likewise.
4205
4206 2004-08-18  Andrew Pinski  <apinski@apple.com>
4207
4208         * config/rs6000/darwin.md: Delete the altivec patterns which are
4209         handled differently now.
4210         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
4211         (macho_correct_pic_di): Likewise.
4212         (call_indirect_nonlocal_darwin64): Likewise.
4213         Delete the save world/saveFP/saveVec patterns.
4214
4215         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
4216         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4217         * config/rs6000/rs6000.md: Include darwin.md.
4218         (builtin_setjmp_receiver): Add DImode case.
4219         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
4220         Darwin bits.
4221
4222 2004-08-18  Matt Austern  <austern@apple.com>
4223
4224         Dead code stripping
4225         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
4226         * darwin.c (darwin_file_end): Mark file as potentially strippable.
4227
4228 2004-08-18  Richard Henderson  <rth@redhat.com>
4229
4230         * alias.c (readonly_fields_p): Remove.
4231         (objects_must_conflict_p): Don't call it.
4232         * tree.h (readonly_fields_p): Remove.
4233         * langhooks.h (struct lang_hooks): Remove honor_readonly.
4234         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
4235
4236 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
4237
4238         * tree-dfa.c (add_referenced_var): Only global variables are
4239         call-clobbered.
4240         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
4241         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
4242         all pointers dereferenced if the statement dereferences them.
4243         (create_name_tags): Do not create memory tags for pointers
4244         that have PT_ANYTHING set.
4245         Also check if PT_VARS is not empty before creating a name tag.
4246         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
4247         variables that share the same alias set with a pointer that
4248         may point anywhere.
4249         (add_may_alias): Add FIXME comment to remove clobbering
4250         aliased variables and tags.
4251         (replace_may_alias): Likewise.
4252         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
4253         (merge_pointed_to_info): If the original variable has not
4254         points-to information, call set_pt_anything.
4255         (add_pointed_to_var): Do not prevent adding a pointed-to
4256         variable if the pointers is PT_ANYTHING.
4257         If the variable is a global, set PT_GLOBAL_MEM.
4258         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
4259         pointer type only come in PTR+OFFSET flavours.
4260         Always call merge_pointed_to_info on PHI arguments that are
4261         SSA_NAMEs.
4262         (get_nmt_for): Mark call-clobbered tags whose pointer points
4263         to global memory.
4264         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
4265         values.
4266         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
4267         FLAGS.
4268         (add_stmt_operand): Abort if the caller tried to add a killing
4269         definition for a memory tag.
4270         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
4271         unnecessary checks.
4272
4273 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
4274
4275         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
4276         from call_used_regs.  Update call_really_used_regs.
4277         (CALL_REALLY_USED_REGISTERS): Define.
4278         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
4279         Replace call_used_regs with call_really_used_regs.
4280         (calc_live_regs, sh_media_register_for_return): Likewise.
4281         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
4282         * sh.md (return_media): Likewise.
4283
4284 2004-08-18  Andrew Pinski  <apinski@apple.com>
4285
4286         * config/darwin.c (machopic_legitimize_pic_address): Only set
4287         MEM_READONLY_P in the non TARGET_TOC case.
4288
4289 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
4290
4291         * rtl.def (NIL): Delete.
4292         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
4293         Tighten the syntax a little.
4294
4295         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
4296         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
4297         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
4298         * config/i386/predicates.md, config/m32r/m32r.h
4299         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
4300         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
4301         * config/sparc/sparc.h, doc/tm.texi:
4302         Replace all occurrences of NIL with UNKNOWN.
4303
4304 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
4305
4306         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
4307         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
4308         sequence inline.  Move drop_through_label code into this
4309         block, being the only place it is used.  Adjust comments.
4310
4311 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
4312
4313         * config/rs6000/altivec.md: Add new patterns for calls to
4314         save_world/rest_world functions.
4315
4316         * config/rs6000/rs6000-protos.h: (save_world_operation,
4317         restore_world_operation) new declarations.
4318
4319         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
4320         field added.
4321         (rs6000_stack_info): Set world_save_p field.
4322         (save_world_operation): New function.
4323         (restore_world_operation): New function.
4324         (compute_save_world_info): New function.
4325         (rs6000_stack_info): Call compute_save_world_info.
4326         (rs6000_emit_prologue): Check for world_save_p and generate
4327         pattern to call save_world for saving all non-volatile and
4328         special registers.
4329         (rs6000_emit_epilogue): Check for world_save_p and generate
4330         pattern to call rest_world to restore saved registers.
4331
4332         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
4333         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
4334         (rs6000_reg_names): New entries added for save_world_operation and
4335         restore_world_operation.
4336
4337 2004-08-18  Caroline Tice  <ctice@apple.com>
4338
4339         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
4340         "-freorder-blocks-and-partition" to the flags used in second
4341         stage of profiledbootstrap.
4342         * bb-reorder.c (push_to_next_round_p): Add new variable,
4343         next_round_is_last; set and use variable to make sure, when
4344         partitioning, that the last trace construction round consists
4345         of all (and only) cold basic blocks.
4346         (rotate_loop): Don't copy blocks that end in a section
4347         crossing jump.
4348         (copy_bb): Correctly initialize "partition" of duplicated bb.
4349         (add_unlikely_executed_notes): Add a comment.
4350         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
4351         to make sure, if function contains hot blocks, that the
4352         successors of ENTRY_BLOCK_PTR are hot; also, only look for
4353         crossing edges if the architecture supports named sections.
4354         (mark_bb_for_unlikely_executed_section): Modify to always
4355         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
4356         the basic block note insn.
4357         (fix_crossing_unconditional_branches): Remove extra space.
4358         (fix_edges_for_rarely_executed_code): Modify to only do
4359         partitioning work if the architecture supports named sections.
4360         (reorder_basic_blocks): Modify to only add
4361         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
4362         supports named sections.
4363         * c-common.c (handle_section_attribute): Initialize new global
4364         variable, user_defined_section_attribute, to true if user has
4365         specified one.
4366         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
4367         forward edges that cross section boundaries.
4368         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
4369         partitioning information if the architecture supports named
4370         sections.
4371         * cfgrtl.c (target.h): Add statement to include this.
4372         (rtl_split_block): Make sure newly created bb gets correct
4373         partition.
4374         (try_redirect_by_replacing_jump): Make sure redirection isn't
4375         attempting to cross section boundaries.
4376         (force_nonfallthru_and_redirect): Only do partition fix up if
4377         architecture supports named sections.
4378         (rtl_split_edge): Make sure newly created bb ends up in
4379         correct partition.
4380         (commit_one_edge_insertion): Remove code that incorrectly
4381         updated basic block partition; Make sure partition fix up only
4382         happens if architecture supports named sections and it's not
4383         already done.
4384         (rtl_verify_flow_info_1): Fix if-condition on test/error
4385         condition that fallthru edges are not allowed to cross section
4386         boundaries.
4387         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
4388         * final.c (final_scan_insn): Remove redundant test from if-statement;
4389         change calls to text_section into calls to function_section; add code
4390         to only to partitioning fix up if architecture supports named
4391         sections.
4392         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
4393         partition.
4394         (if_convert): Add targetm.have_named_sections to test.
4395         * output.h (unlikely_section_label): Extern declaration for new global
4396         variable.
4397         (unlikely_text_section_name): Likewise.
4398         * opts.c (decode_options): If both partitioning and DWARF debugging
4399         are turned on, issue a warning that this doesn't work, and change
4400         partitiong to basic block reordering (without hot/cold partitions).
4401         * passes.c (rest_of_handle_final): Re-set new global variable,
4402         user_defined_section_attribute, to false.
4403         (rest_of_compilation): Change options for calling partitioning
4404         function: Don't call if the user defined the section attribute, and
4405         don't call if DECL_ONE_ONLY is true for the current function.
4406         * predict.c (choose_function_section): Return immediately if we
4407         are doing hot/cold partitioning (i.e. let the basic block partitioning
4408         determine where the function belongs).
4409         * reg-stack.c (emit_swap_insn): Add condition to step over
4410         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
4411         * toplev.c (user_defined_section_attribute): New global variable.
4412         * toplev.h (user_defined_section_attribute): Extern declaration
4413         for new global variable.
4414         * varasm.c (unlikely_section_label): New global variable.
4415         (unlikely_text_section_name): New global variable.
4416         (unlikely_text_section): Add code to initialize
4417         unlikely_text_section_name if necessary; modify to use
4418         unlikely_text_section_name and unlikely_section_label; also to use
4419         named_section properly.
4420         (in_unlikely_text_section):  Modify to work correctly with
4421         named_section and to use unlikely_text_section_name.
4422         (named_section):  Add code to work properly with cold section.
4423         (function_section): Clean up if-statement.
4424         * config/darwin.c (darwin_asm_named_section): Return to original
4425         code, removing use of SECTION_FORMAT_STRING.
4426         * config/arm/pe.h (switch_to_section):  Add case for
4427         in_unlikely_executed_text to switch statement.
4428         * config/i386/cygming.h (switch_to_section): Likewise.
4429         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
4430         (SECTION_FORMAT_STRING): Likewise.
4431         * config/mcore/mcore.h (switch_to_section): Likewise.
4432         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
4433         (SECTION_FORMAT_STRING): Remove.
4434
4435 2004-08-18  Roger Sayle  <roger@eyesopen.com>
4436
4437         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
4438         -ffixed-reg safe, by preserving the meanings of zero and one.
4439         (CALL_USED_REGISTERS): Likewise.
4440         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
4441
4442 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4443
4444         * config/sh/sh.c (split_branches): Check the result of
4445         next_active_insn.
4446         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
4447         Call rtl_register_cfg_hooks.
4448
4449 2004-08-18  Richard Henderson  <rth@redhat.com>
4450
4451         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
4452         * alias.c (true_dependence): Update to match new semantics.
4453         (canon_true_dependence, write_dependence_p): Likewise.
4454         (anti_dependence, output_dependence): Update write_dependence_p args.
4455         (unchanging_anti_dependence): Remove.
4456         * calls.c (purge_mem_unchanging_flag): Remove.
4457         (fixup_tail_calls): Don't call it.
4458         (expand_call): Don't add unchanging memory to function usage.
4459         * expr.c (emit_block_move_via_libcall): Likewise.
4460         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
4461         (get_subtarget): Don't use RTX_UNCHANGING_P.
4462         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
4463         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
4464         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
4465         * cse.c (insert): Don't use RTX_UNCHANGING_P.
4466         (cse_insn, canon_hash): Use MEM_READONLY_P.
4467         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
4468         instead of RTX_UNCHANGING_P.
4469         * explow.c (maybe_set_unchanging): Remove.
4470         * expr.h (maybe_set_unchanging): Remove.
4471         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
4472         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
4473         (assign_parm_setup_reg, expand_function_start): Likewise.
4474         * integrate.c (copy_rtx_and_substitute): Likewise.
4475         * ra-rewrite.c (emit_colors): Likewise.
4476         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
4477         (fixup_match_1): Likewise.
4478         * reload1.c (reload, alter_reg): Likewise.
4479         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
4480         not RTX_UNCHANGING_P.
4481         (equiv_init_varies_p): Likewise.
4482         * loop-invariant.c (check_maybe_invariant): Likewise.
4483         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
4484         * loop.c (note_addr_stored): Likewise.
4485         (prescan_loop): Likewise. Don't check function usage for clobbered
4486         unchanging memory.
4487         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
4488         not RTX_UNCHANGING_P.
4489         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
4490         * varasm.c (force_const_mem): Likewise.
4491         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
4492         * web.c (entry_register): Likewise.
4493         * tree-gimple.h (get_base_address): Move decl ...
4494         * tree.h: ... here.
4495         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
4496
4497         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
4498         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
4499         (alpha_set_memflags): Update to match.
4500
4501         * config/darwin.c (machopic_indirect_data_reference): Set
4502         MEM_READONLY_P instead of RTX_UNCHANGING_P.
4503         (machopic_indirect_call_target): Likewise.
4504         (machopic_legitimize_pic_address): Likewise.
4505         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
4506         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
4507         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
4508         * config/frv/frv.md (symGOT2reg): Likewise.
4509         * config/i386/i386.c (legitimize_pic_address,
4510         legitimize_tls_address, ix86_split_to_parts): Likewise.
4511         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
4512         * config/ia64/ia64.md (load_fptr): Likewise.
4513         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
4514         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
4515         * config/mcore/mcore.c (block_move_sequence): Likewise.
4516         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
4517         * config/pa/pa.c (legitimize_pic_address): Likewise.
4518         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
4519         (rs6000_emit_move): Likewise.
4520         * config/s390/s390.c (legitimize_pic_address): Likewise.
4521         (legitimize_tls_address): Likewise.
4522         * config/s390/s390.md (casesi): Likewise.
4523         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
4524         * config/sh/sh.md (symGOT2reg): Likewise.
4525         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
4526         * config/v850/v850.md (casesi): Likewise.
4527
4528         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
4529         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
4530         * config/mips/mips.c (mips_restore_gp): Likewise.
4531         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
4532         * config/sh/sh.c (sh_reorg): Likewise.
4533
4534 2004-08-18  Richard Henderson  <rth@redhat.com>
4535
4536         * tree.h (struct tree_decl): Add gimple_formal_temp.
4537         (DECL_GIMPLE_FORMAL_TEMP_P): New.
4538         * gimplify.c (pop_gimplify_context): Clear it.
4539         (lookup_tmp_var): Set it, if is_formal.
4540         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
4541         Use is_gimple_val for VECTOR.  Simplify return value.
4542         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
4543         (gimplify_expr): Likewise.
4544         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
4545         is_gimple_tmp_rhs for clarity.  Update all callers.
4546         (is_gimple_reg_rhs): Simplify logic.
4547         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
4548         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
4549         (is_gimple_formal_tmp_reg): Similarly.
4550         * tree-gimple.h: Update decls.
4551         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
4552         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
4553         * tree-ssa-live.c (var_union, type_var_init): Likewise.
4554
4555 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
4556
4557         * c4x.c (legitimize_operands): Remove calls to
4558         preserve_subexpressions_p.
4559
4560 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
4561
4562         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
4563         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
4564
4565 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
4566
4567         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
4568         Objective-C++ extensions.
4569         * gengtype.c (get_file_basename): Match entire subdirectory name
4570         ('cp', 'objc', 'objcp') rather than just its suffix.
4571         (get_base_file_bitmap): Allow for files to belong to more than one
4572         language.
4573         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
4574         used by more than one front-end.
4575
4576 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
4577
4578         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
4579         avoid use of preserve_subexpressions_p.
4580
4581 2004-08-17  Richard Henderson  <rth@redhat.com>
4582
4583         PR 17051
4584         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
4585
4586 2004-08-17  DJ Delorie  <dj@redhat.com>
4587
4588         * doc/extend.texi: Document new xstormy16 attribute.
4589
4590         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
4591         (xstormy16_splittable_below100_or_register): New.
4592         (combine_bnp): New.
4593         (xstormy16_reorg): New.
4594         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4595
4596         * config/stormy16/stormy16.md (movqi_internal): Make name public.
4597         (movhi_internal): Likewise.
4598         (cbhranchhi): Likewise.
4599         (cbhranchhi_neg): Likewise.
4600         (andhi3): Only allow splittable below100 operands.
4601         (iorhi3): Likewise.
4602         (peephole2): New and/zero_extend->and peephole.
4603         (peephole2): New load/ior/save->set1 peephole.
4604         (peephole2): New load/and/save->clr1 peephole.
4605         (bclrx, bclrx2, bclr7, bclr15): New.
4606         (bsetx, bsetx2, bset7, bset15): New.
4607
4608         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
4609         liberal about acceptable 'B' masks.
4610
4611         * config/stormy16/stormy16-protos.h
4612         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
4613         xstormy16_below100_operand, xstormy16_below100_or_register,
4614         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
4615         (PREDICATE_CODES): Add new predicates.
4616
4617         * config/stormy16/stormy16.c
4618         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
4619         xstormy16_below100_operand, xstormy16_below100_or_register,
4620         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
4621         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
4622         (xstormy16_legitimate_address_p): Allow below100 symbols.
4623         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
4624         (xstormy16_expand_move): Leave below100 operands as-is.
4625         (xstormy16_encode_section_info): Encode below100 symbols.
4626         (xstormy16_strip_name_encoding): New.
4627         (xstormy16_print_operand): Print 'b' as shift mask.
4628         (xstormy16_attribute_table): Add below100 attributes.
4629         (xstormy16_handle_below100_attribute): New.
4630
4631         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
4632         (XSTORMY16_SECTION_FUNCTION): New.
4633         (EXTRA_SECTION_FUNCTIONS): Define using the above.
4634         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
4635         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
4636         (ASM_OUTPUT_LABELREF): Define.
4637
4638         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
4639         (movhi_internal): Add below100 support.
4640         (andhi3): Add below100 support.
4641         (iorhi3): Add below100 support.
4642         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
4643
4644 2004-08-17  James E Wilson  <wilson@specifixinc.com>
4645
4646         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
4647         of VOIDmode for comparison code mode.
4648         * config/mips/mips.md: For conditional move patterns, use mode of
4649         first compare operand for comparison mode, instead of VOIDmode.
4650
4651         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
4652         normal and -ffast-math code.
4653
4654 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
4655
4656         PR c++/15871
4657         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
4658
4659 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
4660
4661         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
4662
4663 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
4664
4665         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
4666         for non Darwin targets.
4667         (*call_value_nonlocal_darwin64): Likewise.
4668
4669 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
4670
4671         * config/rs6000/rs6000.c (rs6000_function_value): Check for
4672         altivec mode for altivec return register.
4673
4674 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
4675
4676         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
4677         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4678         * config/rs6000/rs6000.md: Include darwin.md.
4679         (builtin_setjmp_receiver): Add DImode case.
4680         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
4681         Darwin bits.
4682
4683 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
4684
4685         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
4686         trees.
4687         * tree-vectorizer.h: New File: Same.
4688         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
4689         * common.opt (ftree-vectorize): New flag to enable vectorization.
4690         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
4691         vectorization pass.
4692         * tree-data-ref.h (init_data_ref): Additional argument.
4693         (array_base_name_differ_p): Moved to tree-data-ref.c.
4694         * tree-data-ref.c (array_base_name_differ_p): Revised.
4695         (initialize_data_dependence_relation): Call array_base_name_differ_p
4696         with an extra argument.
4697         (analyze_all_data_dependences): Same.
4698         (init_data_ref): Additional argument is_read to set DR_IS_READ.
4699         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
4700         file.
4701         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
4702         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
4703         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
4704         vectorization pass.
4705         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
4706         (tree_ssa_loop_done): Call scev_finalize.
4707         (tree_vectorize): Define the new vectorization pass.
4708         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
4709         size of the vector they support (until support for multiple vector
4710         sizes is added to the vectorizer).
4711         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
4712         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
4713         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
4714         documentation.
4715
4716 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
4717
4718         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
4719         usage.
4720         (generate_protocol_list, handle_impent): Likewise.
4721
4722 2004-08-17  Roger Sayle  <roger@eyesopen.com>
4723
4724         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
4725         ensure that call_used_regs is a superset of both fixed_regs and
4726         call_really_used_regs.
4727
4728 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
4729
4730         PR target/17019
4731         * arm.md (addsi3_cbranch_scratch): Correct case labels.
4732
4733 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4734
4735         PR middle-end/17036
4736         * fold-const.c (fold): Check for integer operand when
4737         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
4738         Pinski  <pinskia@physics.uc.edu>.
4739
4740 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4741
4742         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
4743         No need to check if in a cross configuration.
4744         * configure: Regenerate.
4745
4746         * calls.c (precompute_register_parameters):
4747         Inline preserve_subexpressions_p ().
4748         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
4749         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
4750         Likewise.
4751         * expr.c (get_subtarget): Likewise.
4752         * rtl.h (preserve_subexpressions_p): Remove.
4753         * stmt.c (preserve_subexpressions_p): Remove.
4754
4755         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
4756         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
4757         Abort on gimplified cases.
4758
4759 2004-08-16  James E Wilson  <wilson@specifixinc.com>
4760
4761         * tree.h (VECTOR_FLOAT_TYPE_P): New.
4762         (FLOAT_TYPE_P): Use it.
4763         * c-typeck.c (build_binary_op): After convert calls, check for
4764         check for ERROR_MARK operands.
4765
4766 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
4767
4768         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
4769         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
4770         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
4771         (genobjs static pattern rule): Remove %.c dependency.
4772         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
4773         Rename rules; delete commands; fix dependencies.
4774         (mostlyclean): Do not delete temporary source copies.
4775         * configure.ac: Delete all references to BUILD_PREFIX and
4776         BUILD_PREFIX_1.
4777         * configure: Regenerate.
4778
4779         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
4780         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
4781         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
4782         with #ifndef GENERATOR_FILE so that nothing from those headers
4783         is used.
4784
4785         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
4786
4787 2004-08-16  Adam Nemet  <anemet@lnxw.com>
4788
4789         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
4790
4791 2004-08-16  Andrew Pinski  <apinski@apple.com>
4792
4793         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
4794         extraneous semicolon.
4795
4796 2004-08-16  Devang Patel  <dpatel@apple.com>
4797
4798         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
4799         * print-tree.c (print_node): Print DECL_PRESERVE_P.
4800         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
4801         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
4802         * target.h (struct gcc_target): New member, mark_decl_preserved.
4803         * hooks.c (hook_void_charptr): Rename to ...
4804         (hook_void_constcharptr): ... new name.
4805         * hooks.h (hook_void_charptr): Rename to ..
4806         (hook_void_constcharptr): ... new name.
4807         * tree.h (DECL_PRESERVE_P): New #define.
4808         (struct tree_decl): New member, preserve_flag.
4809         * varasm.c (assemble_start_function): Mark decl preserved.
4810         (assemble_variable): Same.
4811         * darwin.c (darwin_mark_decl_preserved): New function.
4812         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
4813         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
4814         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
4815
4816 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
4817
4818         * c-decl.c (grokdeclarator): Allow for function definition where
4819         innermost declarator has attributes.
4820
4821 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
4822
4823         * except.c (get_exception_filter, build_post_landing_pads,
4824         dw2_build_landing_pads): Use target-specific mode for 'filter'.
4825         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
4826         * target.h (eh_return_filter_mode): New field added.
4827         * targhooks.c (default_eh_return_filter_mode): Defined.
4828         * targhooks.h (default_eh_return_filter_mode): Declared.
4829         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
4830
4831 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4832
4833         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
4834         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
4835         * configure: Regenerate.
4836
4837 2004-08-16  Stan Shebs  <shebs@apple.com>
4838
4839         Basic support for 64-bit Darwin.
4840         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4841         (machopic_legitimize_pic_address): Similarly, plus use Pmode
4842         instead of SImode.
4843         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
4844         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
4845         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
4846         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
4847         (PROCESSOR_DEFAULT64): Define.
4848         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
4849         Darwin.
4850         * config/rs6000/rs6000.md: Include darwin.md.
4851         (builtin_setjmp_receiver): Add DImode case.
4852         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
4853         Darwin.
4854         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
4855         (rs6000_emit_move): Add DImode case to Darwin bits.
4856         (machopic_output_stub): Use .quad if 64-bit.
4857         * invoke.texi: Document -m32 and -m64.
4858
4859 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
4860
4861         * doc/extend.texi (AltiVec builtins): Document additional differences
4862         from the Motorola AltiVec PIM.
4863
4864 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4865
4866         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
4867         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
4868         (struct tree_common): Update public_flag documentation.
4869
4870 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4871
4872         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4873         Check for artificial variables, not is_gimple_tmp_var.
4874         * tree-ssa-live.c (var_union): Likewise.
4875
4876 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4877
4878         * calls.c (load_register_parameters): Remove spurious FIXME token.
4879
4880 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
4881
4882         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
4883         (c-lang.o): Depend on c-objc-common.h.
4884         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
4885         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
4886         * c-lang.c: Include c-objc-common.h.
4887         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
4888         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
4889         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
4890         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
4891         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
4892         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
4893         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
4894         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
4895         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
4896         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
4897         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
4898         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
4899         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4900         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
4901         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
4902         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4903         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
4904         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4905         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
4906         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
4907         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
4908         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
4909         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
4910         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
4911         Move to c-objc-common.h.
4912         * c-objc-common.c: Include c-objc-common.h.
4913         * c-objc-common.h: New file.
4914
4915 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
4916             Andrew Pinski  <pinskia@physics.uc.edu>
4917
4918         PR target/14931
4919         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
4920         style.
4921
4922 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
4923
4924         * tree.h (build_int_cst): New.
4925         (build_int_2): Remove.
4926         * tree.c (build_int_2): Remove.
4927         (build_int_cst): New.
4928         (make_vector_type, build_common_tree_nodes,
4929         build_common_tree_nodes_2): Use build_int_cst.
4930         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
4931         expand_builtin_strpbrk, expand_builtin_fputs,
4932         build_string_literal, expand_builtin_printf,
4933         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
4934         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
4935         fold_builtin_isdigit, simplify_builtin_strstr,
4936         simplify_builtin_strpbrk, fold_builtin_fputs,
4937         simplify_builtin_sprintf): Use build_int_cst.
4938         * c-common.c (start_fname_decls, fix_string_type,
4939         c_common_nodes_and_builtins, c_init_attributes,
4940         shorten_compare): Likewise.
4941         * c-decl.c (complete_array_type,
4942         check_bitfield_type_and_width): Likewise.
4943         * c-lex.c (interpret_integer, lex_charconst): Likewise.
4944         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
4945         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4946         * c-typeck.c (really_start_incremental_init, push_init_level,
4947         set_nonincremental_init_from_string): Likewise.
4948         * calls.c (load_register_parameters): Likewise.
4949         * convert.c (convert_to_pointer): Likewise.
4950         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
4951         build_fn_info_type, build_ctr_info_value, build_gcov_info):
4952         Likewise.
4953         * except.c (init_eh, assign_filter_values, assign_filter_values):
4954         Likewise.
4955         * expmed.c (store_fixed_bit_field, extract_bit_field,
4956         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
4957         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
4958         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
4959         * expr.c (convert_move, emit_group_load, emit_group_store,
4960         expand_assignment, store_constructor, store_field,
4961         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
4962         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
4963         invert_truthvalue, optimize_bit_field_compare,
4964         decode_field_reference, all_ones_mask_p, constant_boolean_node,
4965         fold_div_compare, fold, fold_read_from_constant_string,
4966         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4967         * function.c (assign_parm_setup_block): Likewise.
4968         * stmt.c (shift_return_value, expand_end_case_type,
4969         estimate_case_costs): Likewise.
4970         * stor-layout.c (layout_type, initialize_sizetypes,
4971         set_min_and_max_values_for_integral_type): Likewise.
4972         * tree-chrec.c (chrec_fold_multiply_poly_poly,
4973         reset_evolution_in_loop): Likewise.
4974         * tree-chrec.h (build_polynomial_chrec): Likewise.
4975         * tree-complex.c (build_replicated_const): Likewise.
4976         * tree-eh.c (honor_protect_cleanup_actions,
4977         lower_try_finally_onedest, lower_try_finally_copy,
4978         lower_try_finally_switch): Likewise.
4979         * tree-mudflap.c (mf_build_string, mx_register_decls,
4980         mudflap_register_call, mudflap_enqueue_constant): Likewise.
4981         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
4982         * tree-pretty-print.c (dump_generic_node): Likewise.
4983         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
4984         Likewise.
4985         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4986         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4987         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
4988         Likewise.
4989
4990         * config/alpha/alpha.c (alpha_initialize_trampoline,
4991         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
4992         * config/arm/arm.c (arm_get_cookie_size): Likewise.
4993         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4994         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4995         * config/i860/i860.c (i860_va_start): Likewise.
4996         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4997         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
4998         mips_gimplify_va_arg_expr): Likewise.
4999         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5000         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
5001         add_compiler_branch_island): Likewise.
5002         * config/s390/s390.c (s390_va_start): Likewise.
5003         * config/sh/sh.c (sh_va_start): Likewise.
5004         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
5005         Likewise.
5006         * config/xtensa/xtensa.c (xtensa_va_start,
5007         xtensa_gimplify_va_arg_expr): Likewise.
5008
5009         * objc/objc-act.c (build_objc_string_object,
5010         build_objc_symtab_template, init_def_list, init_objc_symtab,
5011         init_module_descriptor, generate_static_references,
5012         build_selector_translation_table, get_proto_encoding,
5013         build_typed_selector_reference, build_selector_reference,
5014         build_next_objc_exception_stuff,
5015         build_method_prototype_list_template, generate_descriptor_table,
5016         generate_protocols, build_protocol_initializer,
5017         build_ivar_list_template, build_method_list_template,
5018         build_ivar_list_initializer, generate_ivars_list,
5019         generate_dispatch_table, generate_protocol_list,
5020         build_category_initializer, build_shared_structure_initializer,
5021         generate_shared_structures, handle_impent,
5022         generate_objc_image_info): Use build_int_cst.
5023
5024 2004-08-15  Ben Elliston  <bje@au.ibm.com>
5025
5026         * vec.h: Comment improvements.
5027
5028 2004-08-14  Roger Sayle  <roger@eyesopen.com>
5029
5030         * c-common.c (shorten_compare, pointer_int_sum,
5031         c_common_truthvalue_conversion, boolean_increment): Replace calls
5032         to build with calls to buildN.
5033         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
5034         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
5035         gimplify_switch_stmt): Likewise.
5036         * c-typeck.c (default_function_array_conversion,
5037         build_component_ref, build_array_ref, build_function_call,
5038         pointer_diff, build_unary_op, build_conditional_expr,
5039         build_compound_expr, build_modify_expr, c_finish_goto_label,
5040         c_finish_goto_ptr, c_finish_return, c_finish_loop,
5041         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
5042         build_binary_op): Likewise.
5043
5044 2004-08-15  Steven Bosscher  <stevenb@suse.de>
5045
5046         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
5047
5048 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5049
5050         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
5051         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
5052         * fixinc/fixincl.x: Rebuilt.
5053
5054 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
5055
5056         * config/mips/mips-protos.h (mips_symbolic_constant_p)
5057         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
5058         (mips_small_data_pattern_p): Declare.
5059         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
5060         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
5061         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
5062         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
5063         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
5064         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
5065         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
5066         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
5067         (pc_or_label_operand, call_insn_operand, move_operand)
5068         (consttable_operand, symbolic_operand, general_symbolic_operand)
5069         (global_got_operand, local_got_operand, stack_operand)
5070         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
5071         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
5072         (mips_small_data_pattern_p): Replace previous small_data_pattern
5073         predicate.  Turn into a bool () (rtx) function.
5074         * config/mips/predicates.md: New file.
5075         * config/mips/mips.md: Include it.  Use the target-independent
5076         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
5077         trap_comparison_operator and equality_op to equality_operator.
5078         Replace uses of small_int with the equivalent const_arith_operand.
5079         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
5080         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
5081         to fcc_reload_operand.
5082         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
5083
5084 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5085
5086         PR libstdc++/17005 partial fix.
5087         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
5088         except when generating ANSI/C89 code.
5089
5090 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
5091
5092         * c-common.c (shorten_compare): Use force_fit_type directly.
5093
5094 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
5095             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
5096             Dave Korn  <dk@artimi.com>
5097
5098         * doc/install.texi (Building): Avoid duplicate reference to GNU
5099         make requirement.
5100         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
5101
5102 2004-08-14  Richard Henderson  <rth@redhat.com>
5103
5104         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
5105         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
5106
5107 2004-08-13  Richard Henderson  <rth@redhat.com>
5108
5109         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
5110         for constant_call_address_operand.
5111         (call_value_pop_1, call_value_1): Likewise.
5112         (sibcall_value_1, call_value_1_rex64): Likewise.
5113
5114 2004-08-13  James E Wilson  <wilson@specifixinc.com>
5115
5116         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
5117         Correct mode from SFmode to DFmode.
5118
5119 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
5120
5121         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
5122         __cstring_object and __image_info sections with the no_dead_strip
5123         attribute.
5124
5125 2004-08-13  Roger Sayle  <roger@eyesopen.com>
5126             David Billinghurst  <David.Billinghurst@riotinto.com>
5127
5128         PR libgfortran/15930
5129         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
5130         * fixinc/fixincl.x: Regenerate.
5131         * fixinc/tests/base/internal/math_core.h: New file.
5132
5133 2004-08-13  Richard Henderson  <rth@redhat.com>
5134
5135         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
5136         (dbxout_function_end): Remove ifdefs for it.
5137         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
5138
5139 2004-08-13  Richard Henderson  <rth@redhat.com>
5140
5141         * Makefile.in (insn-preds.o): Depend on TREE_H.
5142         * genpreds.c (write_insn_preds_c): Include tree.h.
5143         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
5144         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
5145         const48_operand, and_operand, or_operand, mode_width_operand,
5146         mode_mask_operand, mul8_operand, const0_operand,
5147         hard_fp_register_operand, hard_int_register_operand,
5148         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
5149         samegp_function_operand, direct_call_operand, small_symbolic_operand,
5150         global_symbolic_operand, call_operand, symbolic_operand,
5151         dtp16_symbolic_operand, dtp32_symbolic_operand,
5152         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
5153         gottp_symbolic_operand, alpha_comparison_operator,
5154         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
5155         signed_comparison_operator, alpha_fp_comparison_operator,
5156         divmod_operator, fix_operator, aligned_memory_operand,
5157         unaligned_memory_operand, reg_or_unaligned_mem_operand,
5158         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
5159         reg_no_subreg_operand, addition_operation): Move to predicates.md.
5160         (reg_or_const_int_operand): Remove.  Replace all users with
5161         reg_or_cint_operand.
5162         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
5163         (resolve_reload_operand): Split out of aligned_memory_operand.
5164         * config/alpha/alpha-protos.h: Update for exports.
5165         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
5166         * config/alpha/alpha.md: Include predicates.md.
5167         * config/alpha/predicates.md: New file.
5168
5169 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
5170
5171         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
5172         fields with a pointer to the instruction definition.
5173         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
5174         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
5175         (write_attr_case, write_const_num_delay_slots): Update accordingly.
5176         (write_attr_case, write_const_num_delay_slots): Write the name of
5177         an insn next to its case statement.
5178         * genoutput.c (data): Add a filename field.
5179         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
5180         (output_insn_data): Print the location of each insn definition.
5181         * genrecog.c (write_action): Print the name of an insn above
5182         the statement that returns its code.
5183
5184 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
5185
5186         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
5187         * config/libgloss.h: Likewise.
5188         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
5189         * c4x/c4x-modes.def: Likewise.
5190         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
5191         (c4x_rptb_nop_p): Likewise.
5192         (c4x_rptb_valid_p): Likewise.
5193         (c4x_rptb_insert): Likewise.
5194         (c4x_address_conflict): Likewise.
5195         * config/c4x/c4x.md: Likewise.
5196         * config/frv/frv.md: Likewise.
5197         * config/i386/athlon.md: Likewise.
5198         * config/i386/i386.md: Likewise.
5199         * config/i386/predicates.md: Likewise.
5200         * config/ia64/ia64.c: Likewise.
5201         * config/ia64/itanium1.md: Likewise.
5202         * config/ia64/itanium2.md: Likewise.
5203         * config/iq2000/iq2000.md: Likewise.
5204         * config/mcore/mcore.c: Likewise.
5205         * config/mips/mips.c: Likewise.
5206         * config/mips/r3900.h: Likewise.
5207         * config/mips/sb1.md: Likewise.
5208         * config/pa/milli64.S: Likewise.
5209         * config/pa/pa.c: Likewise.
5210         * config/pa/pa.h: Likewise.
5211         * config/rs6000/8540.md: Likewise.
5212
5213 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
5214
5215         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
5216
5217 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
5218
5219         * sh.md (cbranch define_delay) Use cond_delay_slot for
5220         non-anulled condition too.
5221
5222 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
5223
5224         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
5225         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
5226         any_parallel_operand, lmw_operation, stmw_operation,
5227         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
5228         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
5229         any_parallel_operand.
5230         (return_and_restore_fpregs_{si,di}): Same.
5231
5232 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
5233
5234         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
5235         if pred->singleton != PARALLEL, issue a warning and pretend it was.
5236         Also issue a warning for any predicate we don't know about.
5237
5238 2004-08-12  Richard Henderson  <rth@redhat.com>
5239
5240         * config/i386/i386.c (internal_label_prefix): Export.
5241         (internal_label_prefix_len, struct ix86_address,
5242         ix86_decompose_address, maybe_get_pool_constant,
5243         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
5244         memory_address_length): Export.
5245         (any_fp_register_operand, fp_register_operand,
5246         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
5247         x86_64_general_operand, x86_64_szext_general_operand,
5248         x86_64_nonmemory_operand, x86_64_movabs_operand,
5249         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
5250         x86_64_zext_immediate_operand, const_int_1_31_operand,
5251         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
5252         tls_symbolic_operand, global_dynamic_symbolic_operand,
5253         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
5254         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
5255         constant_call_address_operand, const0_operand, const1_operand,
5256         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
5257         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
5258         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
5259         general_no_elim_operand, nonmemory_no_elim_operand,
5260         index_register_operand, q_regs_operand, flags_reg_operand,
5261         non_q_regs_operand, zero_extended_scalar_load_operand,
5262         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
5263         ix86_comparison_operator, ix86_carry_flag_operator,
5264         fcmov_comparison_operator, promotable_binary_operator,
5265         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
5266         mult_operator, div_operator, arith_or_logical_operator,
5267         memory_displacement_operand, cmpsi_operand, long_memory_operand,
5268         aligned_operand): Move to predicates.md as define_predicates.
5269         (tls_symbolic_operand_1): Remove.
5270         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
5271         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
5272         (legitimize_address): Merge tls_symbolic_operand contents.
5273         (ix86_expand_move): Likewise.
5274         * config/i386/i386-protos.h: Update for exports.
5275         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
5276         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
5277         * config/i386/i386.md: Include predicates.md.
5278         * config/i386/predicates.md: New file.
5279
5280 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
5281
5282         PR c++/16924
5283         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
5284         SYMBOL_REF_DECL.
5285         (i386_pe_mark_dllimport): Likewise.
5286         (i386_pe_encode_section_info): Likewise, when overriding
5287         dllimport attribute.
5288
5289 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
5290
5291         * configure.ac: When testing for flex, nm, ar, and bison, check
5292         that they will actually be built.
5293         * configure: Regenerate.
5294
5295 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
5296
5297         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
5298         (MOVE_MAX_PIECES): Define.
5299
5300 2004-08-12  Devang patel  <dpatel@apple.com>
5301
5302         * dbxout.c (dbxout_begin_prologue): New function.
5303         (dbx_debug_hooks): Use new begin prologue hook.
5304         (dbxout_function_end): Emit N_ENSYM.
5305         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
5306
5307 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
5308
5309         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
5310         argument is float*.
5311
5312         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
5313         for vec_dss.
5314
5315         * doc/extend.texi (AltiVec builtins): Fix description for recent
5316         changes.  Update operation list to match current support.
5317
5318 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5319
5320         * config/s390/s390.c (struct s390_frame_layout): New struct as element
5321         of struct machine_function.
5322         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
5323         changed all uses.
5324         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
5325         changed all uses.
5326         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
5327         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
5328         (s390_frame_area, s390_register_info): New functions.
5329         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
5330         for base register.
5331         (s390_return_addr_rtx, s390_return_address_offset)
5332         (s390_va_start, s390_gimplify_va_arg)
5333         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
5334         layouts.
5335         (s390_frame_info): Functionality partly moved to s390_register_info.
5336         Made adaptions for new stack layout.
5337         (save_gprs, restore_gprs): Changed meaning of second parameter and
5338         adapted all callers.
5339
5340         * config/s390/s390.h (s390_backchain_string): New global variable.
5341         (MASK_BACKCHAIN): Removed definition.
5342         (TARGET_BACKCHAIN): Changed check.
5343         (TARGET_KERNEL_BACKCHAIN): New macro.
5344         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
5345         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
5346         "kernel-backchain".
5347         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
5348
5349         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
5350         as condition.  Adjusted for new stack layout.
5351
5352         * doc/invoke.texi: Added documentation for new option
5353         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
5354         "-mno-backchain".
5355
5356 2004-08-12  Paul Brook  <paul@codesourcery.com>
5357
5358         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
5359         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
5360
5361 2004-08-12  David Daney  <ddaney@avtrex.com>
5362
5363         * java/gcj.texi:  Add subsection on signal usage.
5364
5365 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
5366
5367         * expr.c (move_by_pieces): Set alignment for move to minimum of
5368         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
5369         alignment, but not less than the original alignment.
5370         (move_by_pieces_ninsns): Same.
5371         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
5372         (store_by_pieces_1): Same.
5373
5374 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
5375
5376         PR tree-optimization/16867
5377         * tree.c (is_global_var): New function.
5378         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
5379         Call is_global_var.
5380         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
5381         Update all users.
5382         (is_global_var): Declare.
5383         * tree-dfa.c (dump_variable): Display global and addressable
5384         attributes.
5385         (add_referenced_var): Clarify documentation when marking
5386         variables call-clobbered.
5387         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
5388         instead of needs_to_live_in_memory.
5389         (mark_call_clobbered): If the variable is a tag, mark it
5390         DECL_EXTERNAL.
5391         * tree-gimple.c (is_gimple_reg): Don't check for
5392         TREE_ADDRESSABLE.
5393         (is_gimple_non_addressable): Likewise.
5394         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
5395         needs to be marked call-clobbered.
5396         (setup_pointers_and_addressables): Call is_global_var instead
5397         of needs_to_live_in_memory.
5398         * tree-ssa-dce.c (need_to_preserve_store): Remove.
5399         Update all users with is_global_var.
5400         (mark_stmt_if_obviously_necessary): Fix processing of aliased
5401         stores.  Don't check the virtual definitions.  Rather, check
5402         whether the store is going into global memory.
5403         (find_obviously_necessary_stmts): Get the symbol from the PHI
5404         result.
5405         * tree-ssa-operands.c (get_call_expr_operands): Do not add
5406         clobbering may-defs if the call does not have side effects.
5407
5408 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
5409
5410         PR c++/16276
5411         * output.h (default_function_rodata_section,
5412         default_no_function_rodata_section): New prototypes.
5413         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
5414         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
5415         (TARGET_ASM_OUT): Add it.
5416         * varasm.c (default_function_rodata_section,
5417         default_no_function_rodata_section): New functions.
5418         * final.c (final_scan_insn): Call
5419         targetm.asm_out.function_rodata_section instead of
5420         readonly_data_section.
5421         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
5422         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5423         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5424         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5425         Likewise.
5426         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5427         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5428         Likewise.
5429         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5430         Likewise.
5431         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5432         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5433         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
5434
5435 2004-08-12  Paul Brook  <paul@codesourcery.com>
5436
5437         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
5438         frame info.
5439         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
5440         DWARF2_UNWIND_INFO.
5441
5442 2004-08-12  Ben Elliston  <bje@au.ibm.com>
5443
5444         PR target/16286
5445         * config/rs6000/altivec.h: Change vector to __vector throughout.
5446         (Except for the `vector' macro itself).
5447
5448 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
5449
5450         * genpreds.c: Add capability to generate predicate bodies as
5451         well as function prototypes.  Write function prototypes for
5452         the generic predicates too.
5453         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
5454         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
5455         (write_match_code, write_predicate_expr, write_one_predicate_function)
5456         (parse_option): New functions.
5457         (output_predicate_decls): Delete.
5458         (main): Read the machine description, process DEFINE_PREDICATE or
5459         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
5460         as appropriate.
5461
5462         * genrecog.c (struct decision_test): Replace index with
5463         struct pred_data pointer.
5464         (next_index): Remove, unused.
5465         (pred_table, preds, special_mode_pred_table): Delete.
5466         (compute_predicate_codes, process_define_predicate): New functions.
5467         (validate_pattern, add_to_sequence, write_switch): Update for
5468         new data structures.
5469         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
5470         Check both error_count and have_error.
5471
5472         * gensupport.c (in_fname, first_predicate): New globals.
5473         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
5474         (predicate_table, last_predicate, old_pred_table)
5475         (old_special_pred_table): New statics.
5476         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
5477         (add_predicate, init_predicate_table): New functions.
5478         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
5479         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
5480         it or max_include_len.  Call init_predicate_table.
5481         (read_rtx): Run the predicate queue after the attribute queue
5482         but before all the others.
5483         * gensupport.h (in_fname, struct pred_data, first_predicate)
5484         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
5485         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
5486         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
5487         * dummy-conditions.c: Don't include bconfig.h, system.h,
5488         coretypes.h, tm.h, or system.h.  Do include stddef.h.
5489         Duplicate declaration of struct c_test from gensupport.h.
5490
5491         * Makefile.in (OBJS-common): Add insn-preds.o.
5492         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
5493         (insn-preds.c, insn-preds.o): New rules.
5494         (s-preds): Also generate insn-preds.c.
5495         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
5496         Update dependencies.
5497         (print-rtl.o, print-rtl1.o): Correct dependencies.
5498
5499         * recog.h: Delete prototypes of predicate functions.
5500
5501         * doc/md.texi (Predicates): New section with complete
5502         documentation of operand/operator predicates.  Remove some
5503         incomplete documentation of predicates from other places.
5504         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
5505         PREDICATE_CODES; indicate that both are deprecated in favor
5506         of define_predicate/define_special_predicate.
5507
5508         * config/ia64/ia64.c: All predicate function definitions moved
5509         to ia64.md, except
5510         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
5511         (ia64_expand_load_address, ia64_expand_move):
5512         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
5513
5514         * config/ia64/ia64.md: All predicates now defined here.
5515         (symbolic_operand): Is now a special predicate.
5516
5517         * config/ia64/ia64.h: Declare ia64_section_threshold.
5518         (PREDICATE_CODES): Delete.
5519
5520 2004-08-12  Richard Henderson  <rth@redhat.com>
5521
5522         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
5523         * c-semantics.c (add_stmt): Set it.
5524         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
5525         before instantiating a variable sized type.
5526
5527 2004-08-12  Richard Henderson  <rth@redhat.com>
5528
5529         * stor-layout.c (round_up, round_down): Move ...
5530         * fold-const.c (round_up, round_down): ... here.  Use
5531         multiple_of_p to avoid any arithmetic at all.
5532
5533 2004-08-12  Richard Henderson  <rth@redhat.com>
5534
5535         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
5536         (gimplify_init_ctor_preeval_1): New.
5537         (gimplify_init_ctor_preeval): New.
5538         (gimplify_init_ctor_eval): New.
5539         (gimplify_init_constructor): Use them.  Always gimplify the LHS
5540         object first.
5541
5542 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
5543
5544         (This patch is part of merge of objc-improvements-branch
5545         into mainline.)
5546
5547         * doc/frontends.texi: Mention Objective-C++ in addition to
5548         Objective-C.
5549         * doc/install.texi: Add 'obj-c++' to list of configurable
5550         languages.
5551         * doc/invoke.texi: Rename Objective-C option headings to
5552         indicate they also apply to Objective-C++.  List file
5553         extensions for Objective-C++ sources.  Mention that
5554         ObjC and ObjC++ compilations may also use C and C++ options,
5555         respectively.  Point users to doc/standards.texi for
5556         further info on ObjC and ObjC++.
5557         * doc/sourcebuild.texi: Mention the objcp/ directory and
5558         the Objective-C++ sources it contains.
5559         * doc/standards.texi: Update link to Apple ObjC site;
5560         add link to gcc readings.html WWW doc.
5561
5562 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
5563
5564         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
5565         and 2004-07-14 changes.
5566
5567 2004-08-12  Paul Brook  <paul@codesourcery.com>
5568
5569         * doc/invoke.texi: Fix typo.
5570
5571 2004-08-11 Devang Patel  <dpatel@apple.com>
5572
5573         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
5574         and -no_dead_strip_inits_and_terms.
5575         (LINK_SPEC): Same.
5576         * doc/invoke.texi (Darwin Options): Document -dead_strip and
5577         -no_dead_strip_inits_and_terms.
5578
5579 2004-08-11  Paul Brook  <paul@codesourcery.com>
5580
5581         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
5582         (arm_load_pic_register): ... to this.
5583         * config/arm/arm.c (arm_finalize_pic): Rename ...
5584         (arm_load_pic_register): ... to this.  Always output insns at the
5585         current location.  Load via low reg in thumb mode.
5586         (arm_expand_prologue): Call arm_load_pic_register.
5587         (thumb_expand_prologue): Ditto.
5588         * config/arm/arm.h (FINALIZE_PIC): Remove.
5589         * config/arm/arm.md (builtin_setjmp_receiver): Call
5590         arm_load_pic_register.
5591
5592 2004-08-11  Paul Brook  <paul@codesourcery.com>
5593
5594         * arm.c (thumb_force_lr_save): Add prototype.
5595         (thumb_compute_save_reg_mask): New function.
5596         (thumb_find_work_register): New function.
5597         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
5598         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
5599         Don't clobber r3 when removing pretend args.
5600         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
5601         (thumb_output_function_prologue): Use new functions.
5602         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
5603         * arm.h (THUMB_REG_PUSHED_P): Remove.
5604
5605 2004-08-11  James E Wilson  <wilson@specifixinc.com>
5606
5607         PR rtl-optimization/16490
5608         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
5609         global_live_at_end for new basic block if already set for other blocks.
5610
5611 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
5612
5613         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
5614
5615         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
5616         (mfcr rlwinm rlwinm patterns): Set length to 12.
5617
5618 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
5619
5620         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
5621         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
5622         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
5623         (start_ssa_stmt_operands): Delete.
5624         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
5625         struct stmt_operands_d.
5626         (build_ssa_operands): New extern entry point.
5627         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
5628         building code, replace with create_ssa_artficial_load_stmt().
5629         * tree-ssa-operands.c (struct voperands_d): Delete.
5630         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
5631         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
5632         (free_uses, free_defs, free_vuses, free_v_may_defs,
5633         free_v_must_defs): Remove dealloc parameter.
5634         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
5635         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
5636         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
5637         vector comparisons, ssa_name reuse, and allocations here.
5638         (verify_start_operands): Delete.
5639         (finalize_ssa_stmt_operands): Set new operands by calling finalize
5640         routines.
5641         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
5642         (append_def, append_usei): Simplify to simple accumulation.
5643         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
5644         duplicates and simple accumulation.
5645         (free_ssa_operands): Free vectors in a stmt_operand structure.
5646         (build_ssa_operands): New. Create a new stmt_operand structure from
5647         a stmt and an old set of stmt_operands.
5648         (get_stmt_operands): Simplify and call build_ssa_operands.
5649         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
5650         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
5651         add_call_read_ops): Don't pass prev_vops around anymore.
5652         (note_addressable): Return if no stmt annotation.
5653         (copy_virtual_operands): Access v_may_def operands through a struct.
5654         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
5655         hash tables without treating the stmt as a real stmt.
5656         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
5657         v_may_def def and use through a struct instead of 2 array elements.
5658         (struct v_may_def_optype_d): Use v_may_def_operand_type.
5659         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
5660
5661 2004-08-11  Nick Clifton  <nickc@redhat.com>
5662
5663         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
5664         this funciton's behaviour.  Return true when the current function
5665         has a section attribute and -mlong-calls is in effect.
5666         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
5667         short-call marker when -mlong-calls is in effect and the function
5668         has a section attribute.
5669
5670 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
5671
5672         * stmt.c (expand_return): If asked to return the RESULT_DECL,
5673         just call expand_value_return on result_rtl.
5674
5675 2004-08-10  Richard Henderson  <rth@redhat.com>
5676
5677         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
5678         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
5679         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
5680         (add_location_or_const_value_attribute): ... not here.  Use
5681         loc_descriptor_from_tree if possible.
5682         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
5683         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
5684         values specially.
5685         (loc_descriptor_from_tree): New.  Update callers.
5686         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
5687         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
5688         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
5689         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
5690         and BUILT_IN_STACK_RESTORE.
5691         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
5692         * stmt.c (expand_stack_alloc): Remove.
5693         * tree-mudflap.c (mx_register_decls): Don't look for
5694         BUILT_IN_STACK_ALLOC.
5695         * tree-nested.c (convert_local_reference): Likewise.
5696         * tree.h (DECL_VALUE_EXPR): New.
5697
5698 2004-08-10  Richard Henderson  <rth@redhat.com>
5699
5700         * stor-layout.c (round_up): Check for 0/1 before dividing.
5701         (round_down): Likewise.
5702
5703         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
5704
5705 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
5706
5707         * config.gcc (arm*-*-eabi*): New target.
5708         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
5709         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5710         * expmed.c (expand_divmod): Try a two-valued divmod function as a
5711         last resort.
5712         * gthr.h: Remove bogus tokens at end of #pragma.
5713         * optabs.c (expand_twoval_binop_libfunc): New function.
5714         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
5715         (prepare_float_lib_cmp): Try reversing the condition.
5716         (debug_optab_libfuncs): New function.
5717         * optabs.h (expand_twoval_binop_libfunc): Declare.
5718         * config/arm/arm.c (arm_init_libfuncs): New function.
5719         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
5720         (TARGET_INIT_LIBFUNCS): Define it.
5721         * config/arm/arm.h (TARGET_BPABI): New macro.
5722         * config/arm/arm-protos.h
5723         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
5724         * config/arm/bpabi.S: New file.
5725         * config/arm/bpabi.c: Likewise.
5726         * config/arm/bpabi.h: Likewise.
5727         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
5728         (__aeabi_drsub): Likewise.
5729         (__aeabi_dsub): Likewise.
5730         (__aeabi_dadd): Likewise.
5731         (__aeabi_ui2d): Likewise.
5732         (__aeabi_i2d): Likewise.
5733         (__aeabi_f2d): Likewise.
5734         (__aeabi_dmul): Likewise.
5735         (__aeabi_ddiv): Likewise.
5736         (__aeabi_cdrcmple): Likewise.
5737         (__aeabi_cdcmpeq): Likewise.
5738         (__aeabi_cdcmple): Likewise.
5739         (__aeabi_dcmpeq): Likewise.
5740         (__aeabi_dcmplt): Likewise.
5741         (__aeabi_dcmple): Likewise.
5742         (__aeabi_dcmpge): Likewise.
5743         (__aeabi_dcmpgt): Likewise.
5744         (__aeabi_dcmpun): Likewise.
5745         (__aeabi_d2iz): Likewise.
5746         (__aeabi_d2uiz): Likewise.
5747         (__aeabi_d2f): Likewise.
5748         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
5749         (__aeabi_frsub): Likewise.
5750         (__aeabi_fsub): Likewise.
5751         (__aeabi_fadd): Likewise.
5752         (__aeabi_ui2f): Likewise.
5753         (__aeabi_i2f): Likewise.
5754         (__aeabi_fmul): Likewise.
5755         (__aeabi_fdiv): Likewise.
5756         (__aeabi_cfrcmple): Likewise.
5757         (__aeabi_cfcmpeq): Likewise.
5758         (__aeabi_cfcmple): Likewise.
5759         (__aeabi_fcmpeq): Likewise.
5760         (__aeabi_fcmplt): Likewise.
5761         (__aeabi_fcmple): Likewise.
5762         (__aeabi_fcmpge): Likewise.
5763         (__aeabi_fcmpgt): Likewise.
5764         (__aeabi_fcmpun): Likewise.
5765         (__aeabi_f2iz): Likewise.
5766         (__aeabi_f2uiz): Likewise.
5767         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
5768         (__aeabi_uidivmod): New function or alias.
5769         (__aeabi_idivmod): Likewise.
5770         (__aeabi_idiv0): Likewise.
5771         (__aeabi_ldiv0): Likewise.
5772         (__aeabi_llsr): Likewise.
5773         (__aeabi_lasr): Likewise.
5774         (__aeabi_llsl): Likewise.
5775         (bpabi.S): Include it.
5776         * config/arm/libgcc-bpabi.ver: New file.
5777         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
5778         (LINK_SPEC): Remove.
5779         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
5780         __aeabi_ulcmp.
5781         * config/arm/t-bpabi: New file.
5782         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
5783         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5784
5785 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
5786
5787         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
5788         * config/rs6000/rs6000.md (clrmemsi): New pattern.
5789         * config/rs6000/rs6000.c (expand_block_clear): New function.
5790         (expand_block_move): Convert alignment to bits.  Use SImode and
5791         HImode for unaligned addresses if not STRICT_ALIGNMENT.
5792
5793 2004-08-10  Caroline Tice  <ctice@apple.com>
5794
5795         * varasm.c (unlikely_section_label): New global variable.
5796         (unlikely_text_section_name): New global variable.
5797         (text_section):  Remove alignment statement.
5798         (unlikely_text_section): Remove alignment statement; use
5799         unlikely_section_label rather than hard-coded string.
5800         (assemble_start_function): Initialize unlikely_section_label and
5801         unlikely_text_section_name;  make sure cold section is properly
5802         aligned at start of function; output unlikely_section_label if
5803         appropriate.
5804
5805 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
5806
5807         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
5808         * config/s390/s390.c (s390_canonicalize_comparison): New function.
5809         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
5810         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
5811         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
5812         ("*tmqi_mem"): Remove SUBREG from pattern.
5813         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
5814         ("*andsi3_cconly"): Likewise.
5815
5816 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5817
5818         PR target/16909
5819         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
5820
5821 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
5822
5823         * doc/sourcebuild.texi (compat testing): Document available test
5824         framework commands.  Use the preferred spelling of DejaGnu.
5825
5826 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
5827
5828         * lambda.h: Add matrix type, and prototypes for remainder of
5829         matrix and vector functions.
5830         (lambda_vector_mult_const): New function.
5831         (lambda_vector_negate): Ditto.
5832         (lambda_vector_add): Ditto.
5833         (lambda_vector_add_mc): Ditto.
5834         (lambda_vector_copy): Ditto.
5835         (lambda_vector_zerop): Ditto.
5836         (lambda_vector_equal): Ditto.
5837         (lambda_vector_min_nz): Ditto.
5838         (lambda_vector_first_nz): Ditto.
5839         (lambda_vector_matrix_mult): Ditto.
5840         * lambda-mat.c: New file.
5841         * Makefile.in (lambda-mat.o): New.
5842
5843 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
5844
5845         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
5846         after linking stmt into the program.
5847         (bsi_remove): Don't call modify_stmt.
5848         * tree-complex.c (update_complex_assignment,
5849         expand_complex_comparison): Call modify_stmt after changing the stmt.
5850         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
5851         removing the stmt.
5852         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
5853         the stmt, and only if needed.
5854         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
5855         expression.
5856         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
5857         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
5858         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
5859         (eliminate_redundant_computations): Don't pass an annotation. Call
5860         modify_stmt rather than setting the annotation directly.
5861         (record_equivalences_from_stmt): Remove unused local 'j'.
5862         (cprop_operand): Take a stmt rather than an annotation as a parameter.
5863         Call modify_stmt.
5864         (cprop_into_stmt): Pass stmt rather than annotation.
5865         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
5866         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
5867         modify_stmt.
5868         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
5869
5870 2004-08-10  Jason Merrill  <jason@redhat.com>
5871
5872         PR middle-end/16948
5873         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
5874         the RESULT_DECL.
5875
5876 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
5877
5878         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
5879         hash function.
5880
5881 2004-08-10  Roger Sayle  <roger@eyesopen.com>
5882
5883         * config/mips/mips.md: New reciprocal square root patterns that
5884         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
5885
5886 2004-08-10  Paul Brook  <paul@codesourcery.com>
5887
5888         * config/arm/arm-protos.h (arm_set_return_address,
5889         thumb_set_return_address): Add prototypes.
5890         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
5891         * config/arm/arm.c (arm_compute_func_type,
5892         use_return_insn, arm_compute_save_reg0_reg12_mask,
5893         arm_compute_save_reg_mask, arm_output_function_prologue,
5894         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
5895         current_function_calls_eh_return.
5896         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
5897         old eh code.
5898         (arm_set_return_address, thumb_set_return_address): New functions.
5899         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
5900         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
5901         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
5902         (epilogue): Use the stackadj register.
5903         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
5904
5905 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
5906
5907         PR target/3144
5908         * expr.c (move_by_pieces_ninsns): Add max_size argument.
5909         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
5910         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
5911         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
5912         but using MOVE_RATIO.
5913         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
5914         (can_store_by_pieces): Change max_size type to unsigned int.
5915         (store_by_pieces_1): Likewise.  Pass max_size to
5916         move_by_pieces_ninsns.
5917         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
5918         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
5919         to move_by_pieces_ninsns.
5920         (STORE_BY_PIECES_P): Define.
5921         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
5922         to move_by_pieces_ninsns.
5923         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
5924
5925         * config/i386/i386.h (CLEAR_RATIO): Define.
5926
5927 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5928
5929         * expr.c (expand_expr_real_1): Add back code that was not dead.
5930
5931 2004-08-09  Andrew Pinski  <apinski@apple.com>
5932
5933         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
5934         which is found to be compatible before returning the aliasing set.
5935
5936 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
5937
5938         * ggc-zone.c (struct alloc_zone): Add statistics counters.
5939         (always_collect): New flag.
5940         (ggc_alloc_zone_1): Update statistics support.  Don't include
5941         overhead in allocated counter.
5942         (sweep_pages): Update allocated counter for large pages.  Don'y
5943         include overhead.
5944         (ggc_collect_1): Always collect.
5945         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
5946         whether to collect.
5947         (SCALE, LABEL): New macros.
5948         (ggc_print_statistics): Add statistics support.
5949
5950 2004-08-09  Roger Sayle  <roger@eyesopen.com>
5951
5952         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
5953         (init_expmed): Fix potential overrun problem with "all.reg".
5954         (expand_sdiv2_pow2): Add an alternate implementation for signed
5955         division, if the target provides a suitable conditional move insn.
5956
5957 2004-08-09  Paul Brook  <paul@codesourcery.com>
5958         Richard Henderson  <rth@redhat.com>
5959
5960         * unwind-dw2.c (uw_install_context_1): Update target saved stack
5961         pointer.
5962
5963 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
5964
5965         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
5966         Check DATA limit only if there's no AS limit.  Ignore insanely
5967         low DATA limits.
5968         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
5969         but take care that the AS limit isn't overrun.
5970         * doc/invoke.texi: Update documentation of min-heapsize parameter.
5971
5972 2004-08-09  Jeff Law  <law@redhat.com>
5973
5974         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
5975         (tree-ssa-threadupdate.o): Add dependencies.
5976         * tree-ssa-threadupdate.c: New file.
5977         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
5978         (rewrite_vars_out_of_ssa): Remove prototype.
5979         (cleanup_tree_cfg): Returns a bool.
5980         * tree.h (thread_through_all_blocks): Prototype.
5981         * tree-outof-ssa.c  (SSANORM_*): Move into here.
5982         (remove_ssa_form): Now static.
5983         (rewrite_vars_out_of_ssa): Kill.
5984         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
5985         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
5986         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
5987         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
5988         anything was changed.
5989         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
5990         from the PHI's annotation rather than the edge associated with
5991         the new argument.
5992         * tree-ssa-dom.c (redirection_edges): Kill.
5993         (redirect_edges_and_update_ssa_graph): Kill.
5994         (tree_ssa_dominator_optimize): Do not reset forwardable flag
5995         for blocks anymore.  Do not initialize redirection_edges.
5996         Call thread_through_all_blocks.  Simplify code for cleanup
5997         of the CFG and iterating.  No longer call cleanup_tree_cfg
5998         outside the iteration loop.
5999         (thread_across_edge): No longer mess with forwardable blocks.
6000
6001 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
6002
6003         * explow.c (memory_address): Use memory_address_p.
6004         * recog.c (general_operand): Likewise.
6005         * regrename.c: No need to define REG_OK_STRICT.
6006
6007 2004-08-09  Steven Bosscher  <stevenb@suse.de>
6008
6009         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
6010         New timers.
6011         * gcse.c: Include timevar.h.
6012         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
6013         and global_copy_prop_count.
6014         (local_const_prop_count, local_copy_prop_count): New static globals.
6015         (gcse_main): Set the right timevar for each pass.
6016         (cprop_jump): Increment global_const_prop_count when a constant is
6017         propagated.  Add "GLOBAL" to dump output.
6018         (cprop_insn): Increment global_const_prop_count when a constant is
6019         propagated, or global_copy_prop_count when a copy is propagated.
6020         (do_local_cprop): Likewise for local_const_prop_count and
6021         local_copy_prop_count.
6022         (one_cprop_pass): Initialize const/cprop counters to zero.
6023         Print out results of local and global const/cprop separately.
6024         (bypass_block): Break over-length line.
6025         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
6026         for bb-reorder.o and tracer.o.
6027
6028 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
6029
6030         * Makefile.in (GTFILES): Remove stmt.c
6031         (stmt.o): Do not depend on gt-stmt.h.
6032         * emit-rtl.c (emit_line_note): Do not call
6033         set_file_and_line_for_stmt.
6034         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
6035         do everything.
6036         * function.c (free_after_parsing): Do not free STMT field.
6037         (allocate_struct_function): Do not call init_stmt_for_function.
6038         (assign_stack_temp_for_type): Do not accept values of keep
6039         other than 0 or 1.
6040         (init_temp_slots): Do not initialize removed variables.
6041         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
6042         and X_VAR_TEMP_SLOT_LEVEL fields.
6043         * rtl.h (set_file_and_line_for_stmt): Remove.
6044         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
6045         struct stmt_status, cond_stack, case_stack, nesting_stack,
6046         nesting_depth, emit_locus, set_file_and_line_for_stmt,
6047         same_case_target_p, init_stmt_for_function, emit_nop,
6048         expand_start_cond, expand_start_elseif, expand_start_else,
6049         expand_elseif, expand_end_cond): Remove.
6050         (preserve_subexpressions_p): Remove references to CFUN->STMT.
6051         (expand_start_case, expand_end_case_type): Remove, merge into...
6052         (expand_case): ... this one, including other bits from
6053         expand_expr_real_1.  Inline same_case_target_p.  Turn members
6054         of CASE_STACK into local variables.
6055         (emit_case_bit_tests): Inline same_case_target_p.
6056         (add_case_node): Add HEAD argument, return new head of the list,
6057         do not handle default label here.
6058         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
6059         expand_start_elseif, current_nesting_level, expand_start_case,
6060         expand_end_case_type, expand_end_case, add_case_node,
6061         init_stmt_for_function, expand_elseif): Remove prototypes.
6062         (expand_case): Add prototype.
6063
6064 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
6065
6066         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
6067
6068 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
6069
6070         * expr.c (var_rtx): Remove.
6071         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
6072         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
6073         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
6074         Abort.
6075         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
6076         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
6077         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
6078
6079 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
6080         Ayal Zaks <zaks@il.ibm.com>
6081
6082         * common.opt (freschedule-modulo-scheduled-loops): New flag.
6083         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
6084         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
6085         when -freschedule-modulo-scheduled-loops flag is not specified.
6086         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
6087         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
6088         More accurate placing of insn in row of partial schedule.
6089         (ps_insn_find_column): New function.
6090         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
6091         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
6092         (schedule_region): Use sched_is_disabled_for_current_region_p.
6093         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
6094
6095 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6096
6097         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
6098         change.
6099
6100 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6101
6102         * config/i386/i386.c (ix86_expand_clrmem): Properly call
6103         gen_strset for 64bit target.
6104
6105 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
6106
6107         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
6108
6109 2004-08-07  Jason Merrill  <jason@redhat.com>
6110
6111         Make return in memory explicit.
6112         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
6113         (assign_parm_find_data_types): Remove code for old front end
6114         invisible reference handling.
6115         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
6116         (expand_function_end): Likewise.
6117         * gimplify.c (gimplify_return_expr): Handle a dereferenced
6118         RESULT_DECL.
6119         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
6120         (declare_return_variable): Handle DECL_BY_REFERENCE.
6121         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
6122         (cp_genericize_r): Use convert_from_reference.
6123         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
6124         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
6125
6126         * c-common.c (c_warn_unused_result): Check TREE_USED before
6127         warning about a CALL_EXPR with an unused value.
6128
6129 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
6130
6131         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
6132         to the compiler.  Use -fshort-wchar by default.
6133
6134 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
6135
6136         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
6137         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
6138         threshhold.
6139         * doc/invoke.texi (param): Document min-crossjump-insns.
6140
6141 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
6142
6143         PR c/13282
6144         * c.opt (Wmissing-field-initializers): New option.
6145         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
6146         * c-typeck.c (pop_init_level): Guard the missing field warning with
6147         warn_missing_field_initializers rather than extra_warnings.
6148         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
6149         some of the explanation from...
6150         (-Wextra): ...here.  Say that the missing field warning can be
6151         seperately controlled by -Wmissing-field-initializers.
6152
6153 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
6154
6155         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
6156         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
6157         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
6158         * tree.def (ENTRY_VALUE_EXPR): Remove.
6159
6160 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
6161
6162         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
6163         the places where it is actually needed.  Don't use repz; stosb
6164         for -Os with sufficiently small constant sizes.
6165         For sufficiently small repz; stos{l,q} repeat counts use a sequence
6166         of stos{l,q} instructions instead.
6167
6168 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6169
6170         PR tree-optimization/16807
6171         * loop-iv.c (dump_iv_info): Dump invariants correctly.
6172         (iv_subreg, iv_extend): Express value of invariant purely in
6173         base field.
6174
6175 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
6176
6177         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
6178         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
6179
6180 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
6181
6182         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
6183         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
6184         pre_dec_operand.
6185         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
6186         pattern until reload is finished to allow better code generation
6187         and split them completely into separate instrunctions.
6188         (*andsi3_split): New pattern.
6189
6190 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
6191
6192         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
6193         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
6194         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
6195         * tree.h (handle_dll_attribute): Declare.  Test
6196         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
6197         * c-common.h (c_determine_visibility): Declare.
6198         * c-common.c (c_determine_visibility): New function.
6199         * c-decl.c (finish_decl): Use it.
6200         (finish_function): Likewise.
6201         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
6202         zero, by default.  Use #if, not #ifdef, to test it.
6203         * config/arm/arm.c (arm_attribute_table): Use
6204         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
6205         #if.
6206         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
6207         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
6208         to 1.
6209         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
6210         * config/i386/i386.c (ix86_attribute_table): Use
6211         handle_dll_attribute for dllimport/dllexport.  Test
6212         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
6213         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
6214         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
6215         it to 1.
6216         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
6217         with #if.
6218         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
6219         it to 1.
6220         * doc/extend.texi (dllexport): Clarify and correct documentation.
6221         (dllimport): Likewise.
6222         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
6223         handle_dll_attribute.
6224
6225 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6226
6227         * tree-ssa-loop-manip.c: New file.
6228         * Makefile.in (tree-ssa-loop-manip.o): Add.
6229         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
6230         Declare.
6231         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
6232         form.
6233         (tree_ssa_loop_done): Verify loop closed ssa form.
6234         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
6235
6236 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6237
6238         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
6239         pa_asm_output_aligned_local): New functions.
6240         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
6241         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
6242         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
6243         pa_asm_output_aligned_common.
6244         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
6245         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
6246         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
6247         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
6248         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
6249         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
6250         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
6251         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
6252         common data.
6253
6254 2004-08-05  Andrew Pinski  <apinski@apple.com>
6255
6256         * objc/objc-act.c (build_objc_string_object): Mark the address
6257         expression as constant.
6258
6259 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
6260
6261         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
6262         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
6263         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
6264
6265 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6266
6267         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
6268         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
6269         out, and associated obsolete comments.
6270
6271 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
6272
6273         * tree.h (force_fit_type): Return a tree, take three flags.
6274         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
6275         TREE_CONSTANT_OVERFLOW here.
6276         (int_const_binop, const_binop): Adjust.
6277         (size_int_type): Do sign extension here.
6278         (fold_convert_const, optimize_bit_field_compare,
6279         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
6280         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
6281         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
6282
6283 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6284
6285         PR tree-optimization/16864
6286         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
6287         for ssa names without default_def.
6288
6289 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
6290
6291         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
6292         frame pointer, restore eax with an ebp-relative address.
6293
6294 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
6295
6296         PR 14516
6297         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
6298         * c-common.h (make_rtl_for_local_static): Delete.
6299         * c-decl.c (shadow_tag_warned): Clean up comment.
6300         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
6301         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
6302         * c-semantics.c (make_rtl_for_local_static): Delete.
6303         * expr.c (init_block_move_fn): Use set_user_assembler_name.
6304         (init_block_clear_fn): Likewise.
6305         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
6306         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
6307         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
6308         * tree.h (make_decl_rtl): Remove second parameter.
6309         (set_user_assembler_name): New.
6310         * varasm.c (set_user_assembler_name): New.
6311         (make_decl_rtl): Remove second parameter.  Update callers in many
6312         files.
6313
6314 2004-08-05  Adam Nemet  <anemet@lnxw.com>
6315
6316         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
6317         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
6318         to LynxOS 4.0.
6319         * gthr-lynx.h: New file.
6320         * config/lynx-ng.h: Remove file.
6321         * config/lynx.h: Update to LynxOS 4.0.
6322         * config/t-lynx: New file.
6323         * config/i386/lynx-ng.h: Remove file.
6324         * config/i386/lynx.h: Update to LynxOS 4.0.
6325         * config/rs6000/lynxbase.h: Remove file.
6326         * config/rs6000/lynx.h: Update to LynxOS 4.0.
6327         * config/rs6000/t-lynx: New file.
6328         * doc/install.texi (Options specification): Remove reference to
6329         LynxOS from systems where --with-gnu-as makes a difference.
6330
6331 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6332
6333         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
6334         __UINTMAX_TYPE__.
6335         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
6336         __INTMAX_MAX__.
6337         (c_cpp_builtins): Call it.
6338         * doc/cpp.texi: Update.
6339
6340 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
6341
6342         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
6343         cost.
6344
6345 2004-08-04  Jan Hubicka  <jh@suse.cz>
6346
6347         * basic-block.h (profile_staus): New global variable.
6348         * cfg.c (profile_status): Declare.
6349         (check_bb_profile): Break out from ....; use profile_status
6350         (dump_flow_info): ... here.
6351         * cfgbuild.c (find_basic_blocks): Set profile_status.
6352         * cfgexpand.c (tree_expand_cfg): Likewise.
6353         * predict.c (estimate_probability): Likewise.
6354         * profile.c (branch_prob): Likewise.
6355         * tree-cfg.c (build_tree_cfg): Likewise.
6356         (dump_function_to_file): Use check_bb_profile.
6357         * tree-pretty-print (dump_bb_header): Likewise.
6358         * tree-profile.c (do_tree_profiling): Cleanup.
6359
6360 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
6361
6362         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
6363         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
6364         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
6365         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
6366         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
6367         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
6368         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
6369         (ggc-none.o, errors.o): Move rule to generators section;
6370         correct dependencies.
6371         (min-insn-modes.o): Move rule to generators section; remove
6372         unnecessary explicit command; correct dependencies.
6373         (print-rtl.o, print-rtl1.o): Correct dependencies.
6374         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
6375         (mostlyclean): Update.
6376
6377         * errors.c: Include bconfig.h not config.h.  Correct comment.
6378         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
6379         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
6380         * print-rtl.c: Don't include tm_p.h.
6381
6382         * rtl.h: Move forward-decl of struct function down where it's
6383         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
6384         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
6385
6386 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6387             Jeff Law  <law@redhat.com>
6388
6389         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
6390         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
6391         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
6392         manipulate the duplicated ssa names.
6393         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
6394         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
6395         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
6396         New functions.
6397         (release_ssa_name): Do not release ssa names that may have multiple
6398         definitions.
6399         * tree.h (release_ssa_name_force, mark_for_rewrite,
6400         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
6401         marked_ssa_names): Declare.
6402         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
6403         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
6404         Update call to rewrite_ssa_into_ssa.
6405
6406 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
6407
6408         * defaults.h (TARGET_DECLSPEC): New macro.
6409         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
6410         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
6411         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
6412         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
6413         __declspec support.
6414         (TARGET_DECLSPEC): Define.
6415         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
6416         __declspec support.
6417         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
6418         __declspec support.
6419         (TARGET_DECLSPEC): Define.
6420         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
6421         __declspec support.
6422         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
6423         support.
6424         * doc/tm.texi (TARGET_DECLSPEC): Document.
6425
6426         * doc/extend.texi: Fix typo in comment.
6427
6428 2004-08-04  Paul Brook  <paul@codesourcery.com>
6429
6430         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
6431         (TARGET_CXX): Use it.
6432         * target.h (struct gcc_target): Add cdtor_returns_this.
6433         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
6434         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
6435         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
6436
6437 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
6438
6439         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
6440         low/high pair. Do range checking directly.
6441         (interpret_integer): Adjust.
6442
6443 2004-08-04  Nick Clifton  <nickc@redhat.com>
6444
6445         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
6446         GCC ABI.
6447         * doc/invoke.texi: Document this new switch and also the -mrenesas
6448         switch.
6449
6450 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
6451
6452         * cfglayout.c (insn_locators_initialize): Update the current
6453         location before initializing a location.
6454
6455 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6456
6457         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
6458         (dbxout_function_end): Return after emitting the "Lscope" symbol
6459         under the same conditions that this function formerly wasn't called.
6460         Add explanatory comments.
6461
6462         PR 14860
6463         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
6464         on the new decl.
6465
6466         PR 13956
6467         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
6468         functions, broken out of dbxout_block.
6469         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
6470         stabs too, if it contains symbols.  Use the begin_label and
6471         the Lscope label (emitted by dbxout_function_end) for the
6472         range of this block.
6473
6474 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
6475
6476         * doc/install.texi: Update autoconf version requirements.
6477
6478 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6479
6480         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
6481         * recog.c (general_operand, immediate_operand, nonmemory_operand)
6482         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
6483         * regclass.c (record_reg_classes): Likewise.
6484         * reload.c (find_reloads): Likewise.
6485         * reload1.c (reload): Likewise.
6486
6487 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6488
6489         * gensupport.c (init_md_reader_args_cb): Renamed from
6490         init_md_reader_args.  Add third option, callback function for
6491         parsing program-specific options.  Add diagnosis of incorrect
6492         number of input files.
6493         (init_md_reader): Fold into init_md_reader_args_cb.
6494         (init_md_reader_args): Now a thin wrapper around
6495         init_md_reader_args_cb.
6496         * gensupport.h: Update prototypes.
6497
6498         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6499         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6500         * genrecog.c: No need to diagnose lack of an input file;
6501         init_md_reader_args will handle it.
6502         * genconditions.c: Likewise, and use init_md_reader_args.
6503         * genconstants.c: Likewise, and no need to call read_md_rtx.
6504
6505 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6506
6507         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
6508         declarations.
6509
6510 2004-08-03  Mike Stump  <mrs@apple.com>
6511
6512         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
6513         for frameworks.
6514         * doc/invoke.texi (Darwin Options): Update to reflect above.
6515
6516 2004-08-03  Roger Sayle  <roger@eyesopen.com>
6517
6518         PR middle-end/16790
6519         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
6520         truncations, not just global truncations.
6521
6522 2004-08-03  Andrew Pinski  <apinski@apple.com>
6523
6524         PR bootstrap/16865
6525         * loop-iv.c (simplify_using_assignment): Initialize lhs.
6526
6527 2004-08-03  Paul Brook  <paul@codesourcery.com>
6528
6529         * gcc/doc/install.texi: Document MPFR requirement.
6530
6531 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
6532
6533         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
6534         and mmap() explicitly instead of relying on preset autoconf cache
6535         variables.
6536         * configure: Regenerate.
6537
6538 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
6539
6540         PR target/16570
6541         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
6542         to tmake_file.
6543         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
6544         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
6545         to tmake_file.
6546
6547         * config/i386/t-gmm_malloc: New file.
6548         * config/i386/t-pmm_malloc: Likewise.
6549
6550         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
6551
6552 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
6553             Tanguy Fautrà <tfautre@pandora.be>
6554
6555         * config/i386/pmm_malloc.h: New file.
6556
6557 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
6558
6559         * config/i386/gmm_malloc.h: New file.
6560
6561 2004-08-03  Dale Johannesen  <dalej@apple.com>
6562
6563         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
6564         * c-common.c: Include opts.h.
6565         (c_common_get_alias_set): Fix check for a single input file.
6566         * toplev.c: Remove current_file_decl.
6567         * tree.h: Ditto.
6568
6569 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
6570
6571         * config.gcc (arm*-*-symbianelf*): New target.
6572         * config/arm/symbian.h: New file.
6573
6574         * gthr-gnat.c: Add visibility #pragmas.
6575         * gthr-gnat.h : Likewise.
6576         * gthr.h: Likewise.
6577         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
6578         (__ffsDI2): Likewise.
6579         (__clzSI2): Likewise.
6580         (__ctzSI2): Likewise.
6581         (__ctzDI2): Likewise.
6582         (__popcountSI2): Likewise.
6583         (__popcountDI2): Likewise.
6584         (__paritySI2): Likewise.
6585         (__parityDI2): Likewise.
6586         * libgcc2.h: Add visibility #pragmas.
6587         (__clzDI2): Add prototype.
6588         (__clzSI2): Likewise.
6589         (__ctzSI2): Likewise.
6590         (__ffsDI2): Likewise.
6591         (__ffsSI2): Likewise.
6592         (__ctzDI2): Likewise.
6593         (__popcountSI2): Likewise.
6594         (__popcountDI2): Likewise.
6595         (__paritySI2): Likewise.
6596         (__parityDI2): Likewise.
6597         * unwind-dw2-fde.h: Add visibility #pragmas.
6598         * unwind.h: Likewise.
6599
6600 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
6601             Dale Johannesen  <dalej@apple.com>
6602             Roger Sayle  <roger@eyesopen.com>
6603
6604         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
6605         constants more accurately.  Adjust costs for FMA instructions.
6606         Add cases for most logical and float operations.  Recurse into
6607         most operands.
6608
6609 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
6610
6611         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
6612
6613 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
6614
6615         * ra-build.c (conflicts_between_webs): For webs that cross a call add
6616         conflicts to regs_invalidated_by_call.
6617
6618 2004-08-03  Paul Brook  <paul@codesourcery.com>
6619
6620         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
6621
6622 2004-08-03  Jan Hubicka  <jh@suse.cz>
6623
6624         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
6625         ARRAY_REF argument.
6626
6627 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
6628
6629         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
6630         arm968es, arm10e, arm1020e, arm1022e.
6631         * invoke.texi: Update list of ARM cores.
6632         * arm-tune.md: Regenerate.
6633
6634 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
6635
6636         * arm/gentune.sh: New file.
6637         * arm/t-arm: New file.
6638         * arm/arm-tune.md: New file (autogenerated).
6639         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
6640         * arm.md (attribute tune): Delete.  Include arm-tune.md.
6641
6642 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
6643
6644         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
6645         penultimate parameter.  All callers adjusted.
6646         (struct prefix_list): Remove used_flag_ptr.
6647         (find_a_file): Do not set *pl->used_flag_ptr.
6648         (warn_B, warn_std_ptr): Remove.
6649
6650 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
6651             Mostafa Hagog <mustafa@il.ibm.com>
6652
6653         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
6654
6655 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
6656
6657         * dwarf2out.c (output_call_frame_info): Don't change data format
6658         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
6659         label.  Use 'true' not '1'.
6660         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
6661         required.
6662
6663 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6664
6665         * gdbinit.in: Reflect previous changes to rtunion_def.
6666
6667 2004-08-02  Roger Sayle  <roger@eyesopen.com>
6668
6669         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
6670         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
6671
6672 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6673
6674         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
6675         vec_p_reserve.
6676         * langhooks.h (lang_hooks::builtin_function): Rename parameter
6677         from "class" to "bt_class".
6678
6679 2004-08-02  Paul Brook  <paul@codesourcery.com>
6680
6681         PR rtl-optimization/15068
6682         * flow.c (init_propagate_block_info): Check condition is reversible.
6683
6684 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6685
6686         * gengtype.h (options::info): Change type to const char *.
6687         (enum gc_used_enum): Move out of struct type scope.
6688         * gengtype.c (create_option): Convert initializer for option::info to
6689         appropiate type.
6690         (adjust_field_type, walk_type, write_func_for_structure,
6691         write_root, write_roots): Remove pointless cast.
6692
6693 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
6694
6695         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
6696
6697 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6698
6699         * rtl.h (union rtunion_def): Have all members  start with the
6700         prefix "rt_".
6701         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
6702         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
6703         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
6704         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
6705         access.
6706         * gengtype.c (adjust_field_rtx_def): Likewise.
6707         * rtlanal.c (loc_mentioned_in_p): Likewise.
6708
6709 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
6710
6711         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
6712         Replace uses of mips/elf64.h with mips/elf.h
6713         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
6714         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
6715         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
6716         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
6717         (HANDLE_SYSV_PRAGMA): Delete.
6718         (ASM_OUTPUT_DEF): Fix formatting.
6719         * config/mips/elf64.h: Delete.
6720
6721 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
6722
6723         * config/ia64/ia64.c (got_symbolic_operand): Do require a
6724         symbol+offset operand to have its offset be zero mod 0x3fff
6725         when GOT entries are in use.  Clarify logic in SYMBOL_REF
6726         case.  Clarify comments.
6727         (ia64_expand_load_address): Split a symbol+offset load when
6728         the offset is nonzero mod 0x3fff, not 0x1fff.
6729
6730 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
6731
6732         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
6733         if trying to *store* to a non-offsettable address.
6734         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
6735         a nonoffsettable address.
6736         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
6737         Clean up.
6738         (movti_string): Don't move GPRs to a nonoffsettable address.
6739         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
6740
6741 2004-08-02  Ben Elliston  <bje@au.ibm.com>
6742
6743         PR target/16155
6744         * config/rs6000/altivec.h: Replace typeof with __typeof__.
6745
6746 2004-08-01  Richard Henderson  <rth@redhat.com>
6747
6748         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
6749         variable sized types.
6750
6751 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6752
6753         * doc/invoke.texi: In the MIPS options section, remove the passage
6754         saying that -mexplicit-relocs is usually disabled for -mabicalls
6755         -fno-unit-at-a-time.
6756         * config/mips/mips.c (override_options): Remove the code that enforced
6757         this rule.
6758
6759 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6760
6761         * config/mips/mips.md (cprestore): Provide two alternatives, one for
6762         an in-range offset and one for an out-of-range offset.  Wrap the latter
6763         in .set macro/.set nomacro if it's inside a .set nomacro block.
6764
6765 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6766
6767         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
6768         (mips_restore_gp): Declare.
6769         * config/mips/mips.c (mips_add_offset): Add a scratch register
6770         argument.  Reimplement in rtl only, reusing MIPS16 logic from
6771         mips_output_mi_thunk.
6772         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
6773         to mips_add_offset.
6774         (mips_gp_save_slot): Delete.
6775         (mips_restore_gp): New function.
6776         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
6777         * config/mips/mips.md (exception_receiver): Turn into a
6778         define_insn_and_split.  Use mips_restore_gp to do the split.
6779         (call_internal, call_value_internal, call_value_multiple_internal): Use
6780         mips_restore_gp to restore $gp.
6781
6782 2004-07-31  Andrew Pinski  <apinski@apple.com>
6783
6784         PR other/16842
6785         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
6786
6787 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6788
6789         * c-decl.c (diagnose_mismatched_decls): Give error for external
6790         redeclaration of identifier declared with no linkage, not just
6791         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
6792         error for redeclaration with no linkage.
6793
6794 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
6795             Fariborz Jahanian <fjahanian@apple.com>
6796
6797         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
6798         non-offsettable addresses even for DImode.
6799         (rs6000_split_multireg_move): Cope with non-offsettable addresses
6800         being moved into multiple GPRs.
6801
6802         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
6803         to 64.
6804         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
6805         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
6806         to 128.
6807         * config/rs6000/darwin-ldouble.c (isless): New macro.
6808         (inf): New macro.
6809         (nonfinite): New macro.
6810         (FPKINF): Delete.
6811         (_xlqadd): Completely rewrite.
6812         (_xlqmul): Correct overflow handling.
6813         (_xlqdiv): Correct overflow handling.
6814         * config/rs6000/darwin-ldouble-format: New file.
6815
6816 2004-07-30  Roger Sayle  <roger@eyesopen.com>
6817             Richard Henderson  <rth@redhat.com>
6818
6819         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
6820         9 into the equivalent lea instruction.
6821
6822 2004-07-30  Richard Henderson  <rth@redhat.com>
6823
6824         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
6825         with DECL_INITIAL if fb_lvalue.
6826         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
6827         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
6828         with <Cxxx>.
6829         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
6830
6831 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6832
6833         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
6834         pointer escapes through a function call, assume that the
6835         callee will dereference it.
6836         (add_pointed_to_var): Assume that VALUE is always an
6837         ADDR_EXPR.
6838         (collect_points_to_info_r): Only call add_pointed_to_var if
6839         the value is an ADDR_EXPR.
6840
6841 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6842
6843         * tree-ssa-alias.c (create_alias_map_for): Do not get the
6844         alias set of the inner type of ARRAY_TYPEs.
6845
6846 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6847
6848         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
6849         setting a non-register to UNDEFINED right before the call to
6850         set_lattice_value.
6851
6852 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6853
6854         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
6855
6856 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6857
6858         * tree-ssa.c (verify_flow_sensitive_alias_info): When
6859         comparing points-to sets of different pointers, make sure the
6860         second pointer is actually referenced in the code.
6861
6862 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
6863
6864         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
6865         (got_symbolic_operand): Remove unreachable code.
6866         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
6867         setjmp_operand; add entry for tls_symbolic_operand.
6868         * config/ia64/ia64-protos.h: Remove all prototypes of
6869         predicate functions.
6870
6871 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
6872
6873         * c-common.h (lang_post_pch_load): New variable.
6874         * c-pch.c (lang_post_pch_load): Define it.
6875         (c_common_read_pch): Use it.
6876         * cgraphunit.c (record_call_1): Give the front end a chance to
6877         record additional needed entities when a variable is marked as
6878         needed.
6879         * tlink.c (recompile_files): Robustify.
6880         (scan_linker_output): If a symbol is assigned to a file,
6881         but after recompilation is not present there, issue an error
6882         message.
6883
6884 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6885
6886         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
6887         Take orig_loop argument and pass it to set_level.
6888         (schedule_sm): Pass the correct orig_loop to force_move_till.
6889
6890 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6891
6892         * cfgloop.c (update_latch_info): Update dominator of the new block.
6893         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
6894         info.
6895         * dominance.c (verify_dominators): Check that the dominance tree is
6896         connected.
6897         (recount_dominator): Ignore unreachable blocks.
6898         (iterate_fix_dominators): Cleanup old dominance information before
6899         recomputing it.
6900
6901 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6902
6903         * tree-ssa-operands.c (get_expr_operands): Revert changes
6904         to ADDR_EXPR processing introduced by:
6905             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6906             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
6907
6908 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
6909
6910         * doc/implement-c.texi: Add C90 subclause references.  Point to
6911         preprocessor documentation instead of duplicating it.  Add points
6912         only present in C90.  Fill in documentation for all points.
6913
6914 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6915
6916         * pa.c (output_movb): Correct typo.
6917
6918 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
6919
6920         * ra.h (single_reg_in_regclass): Declare.
6921         * ra.c (single_reg_in_regclass): Define.
6922         (first_hard_reg): New.
6923         (init_ra): Initialize single_reg_in_regclass.
6924         * ra-colorize.c (ok_class): New.
6925         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
6926
6927 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
6928
6929         * gcov-io.h: Allow zero tag as EOF indicator.
6930         (gcov_is_eof): Remove.
6931         (gcov_truncate): Remove.
6932         * gcov-io.c (gcov_seek): Always SEEK_SET.
6933         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
6934         EOF tag.
6935         * coverage.c (read_counts_file): Don't use gcov_is_eof.
6936         * gcov-dump.c (dump_file): Likewise.
6937         * gcov.c (read_graph_file, read_count_file): Likewise.
6938
6939         * c-decl.c (complete_array_type): Don't gratuitously copy
6940         maxindex.  Check it always has a type.
6941
6942 2004-07-29  Steven Bosscher  <stevenb@suse.de>
6943
6944         * rtl.c (currently_expanding_to_rtl): New.
6945         * rtl.h (currently_expanding_to_rtl): Export it.
6946         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
6947
6948         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
6949         inliner hack.
6950         * config/sh/sh.c: Replace rtx_equal_function_value_matters
6951         with currently_expanding_to_rtl.
6952         * config/sh/sh.md: Likewise.
6953         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
6954
6955 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6956
6957         Introduce sh2a support.
6958         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6959         * config.gcc: Build multilibs for sh2a and sh2a-single by
6960         default.
6961         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
6962         default.  Split their tests out of the corresponding SH4
6963         multilibs.
6964         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
6965         multilibs for SH2a.
6966         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6967         * config.gcc: Handle sh2a multilibs and cpu selection.
6968         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
6969         * config/sh/t-mlib-sh2a: New.
6970         * config/sh/t-mlib-sh2a-nofpu: New.
6971         * config/sh/t-mlib-sh2a-single: New.
6972         * config/sh/t-mlib-sh2a-single-only: New.
6973         2004-07-09  Nick Clifton  <nickc@redhat.com>
6974         Issue 43400
6975         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
6976         -ml and -m2a are used together.
6977         2004-03-23  DJ Delorie  <dj@redhat.com>
6978         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
6979         when we have a double-sized FPU.
6980         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6981         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
6982         is set.
6983         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
6984         -msh2a-single and -msh2a-single-only
6985         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6986         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
6987         is set.
6988         2004-02-20  DJ Delorie  <dj@delorie.com>
6989         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
6990         2004-02-20  Fred Fish <fnf@redhat.com>,
6991         Corinna Vinschen <vinschen@redhat.com>
6992         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
6993         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
6994         2004-02-18  DJ Delorie  <dj@redhat.com>
6995         * config/sh/sh.c (broken_move): Add support for movi20.
6996         * config/sh/sh.h: Likewise.
6997         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
6998         * config/sh/sh.md (udivsi3_sh2a): New.
6999         (udivsi3): Call it.
7000         (divsi3_sh2a): New.
7001         (divsi3): Call it.
7002         (mul_r): New.
7003         (ashlsi3_sh2a): New.
7004         (ashrsi3_sh2a): New.
7005         (lshrsi3_sh2a): New.
7006         (movsi_i): Disable for sh2a.
7007         (movsi_ie): Add movi20.
7008         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
7009         sh2a, for -m2a-nofpu mode.
7010         2004-02-13  DJ Delorie  <dj@redhat.com>
7011         * config/sh/lib1funcs.asm: Handle double vs single better.
7012         * config/sh/sh.h: Likewise.
7013         2004-02-09  DJ Delorie  <dj@redhat.com>
7014         * config/sh/crt1.asm: Add support for sh2a.
7015         * config/sh/elf.h: Likewise.
7016         * config/sh/lib1funcs.asm: Likewise.
7017         * config/sh/sh.c: Likewise.
7018         * config/sh/sh.md: Likewise.
7019         * config/sh/sh.h: Likewise.
7020         * config/sh/t-sh: Likewise.
7021
7022 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
7023
7024         * config/frv/frv.md (movqi_internal, movhi_internal,
7025         movsi_internal): Add backup alternatives for memory inputs.
7026
7027 2004-07-28  Matt Austern  <austern@apple.com>
7028
7029         * config/darwin.c (darwin_one_byte_bool): New global variable.
7030         * config/darwin.h (darwin_one_byte_bool): Declare.
7031         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
7032         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
7033         value of darwin_one_byte_bool.
7034         * doc/invoke.texi: Document -mone-byte-bool flag.
7035
7036 2004-07-28  Eric Christopher  <echristo@redhat.com>
7037
7038         * c-common.c (c_common_unsafe_for_reeval): Delete.
7039         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
7040         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
7041         * calls.c (fix_unsafe_tree): Delete.
7042         (expand_call): Delete code which used above.
7043         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
7044         * expr.c (expand_expr_real_1): Ditto.
7045         * fold-const.c (non_lvalue): Ditto.
7046         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
7047         (lhd_unsafe_for_reeval): Ditto.
7048         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
7049         * langhooks.h (unsafe_for_reeval): Ditto.
7050         (unsave_expr_now): Adjust comment.
7051         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
7052         (estimate_num_insns_1): Ditto.
7053         * tree-pretty-print.c (dump_generic_node): Ditto.
7054         * tree.c (expr_align): Ditto.
7055         (unsave_expr): Delete.
7056         (unsafe_for_reeval): Ditto.
7057         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
7058         * tree.def (UNSAVE_EXPR): Delete.
7059         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
7060
7061 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
7062
7063         * tree.h (enum tls_model): Move ...
7064         * coretypes.h: ... here.
7065
7066 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
7067
7068         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
7069
7070 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
7071
7072         * cse.c (validate_canon_reg): New function, split out from...
7073         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
7074
7075 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
7076
7077         * tree-ssa-alias.c (maybe_create_global_var): Don't just
7078         return if .GLOBAL_VAR has been created.
7079
7080 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
7081
7082         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
7083         every variable that may have aliases, not just tags.
7084
7085 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
7086
7087         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
7088         move_from_CR_eq_bit.
7089         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
7090
7091
7092         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
7093         e500_flip_eq_bit.
7094
7095         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
7096         output_e500_flip_eq_bit.
7097
7098         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
7099         output_e500_flip_eq_bit.
7100         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
7101         output_e500_flip_eq_bit.
7102         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
7103         (print_operand): case D.  Get to EQ bit.
7104
7105 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
7106
7107         * gcov.c (function_summary): Add missing \n.
7108
7109 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
7110
7111         Introduce sh4a support.
7112         * config.gcc: Handle sh4a multilibs and cpu selection.
7113         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
7114         * config/sh/t-mlib-sh4a: New.
7115         * config/sh/t-mlib-sh4al: New.
7116         * config/sh/t-mlib-sh4a-nofpu: New.
7117         * config/sh/t-mlib-sh4a-single: New.
7118         * config/sh/t-mlib-sh4a-single-only: New.
7119         2004-02-20  DJ Delorie  <dj@redhat.com>
7120         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
7121         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
7122         2003-08-22  Eric Christopher  <echristo@redhat.com>
7123         * config/sh/sh4a.md: Update for chip errata.
7124         2003-08-07  Eric Christopher  <echristo@redhat.com>
7125         * config/sh/sh4a.md: New file. sh4a processor description.
7126         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
7127         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
7128         of -m4a-nofpu.
7129         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
7130         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
7131         * doc/invoke.texi (SH Options): Document -m4al.
7132         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
7133         * config/sh/sh.c (expand_block_move): Remove commented-out code
7134         checked in by mistake.
7135         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
7136         single elements from SFmode vectors.
7137         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
7138         register.
7139         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
7140         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
7141         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
7142         sh_fsca_int2sf): Remove variable declarations.
7143         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
7144         sh_fsca_int2sf): New functions.
7145         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
7146         sh_fsca_int2sf_rtx): New static variables.
7147         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
7148         sh_fsca_int2sf): Declare.
7149         * config/sh/sh.md: Adjust.
7150         * doc/invoke.texi (SH Options): Document new options.
7151         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
7152         compatibility from SH4 code.
7153         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
7154         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
7155         early.
7156         (memory_movsrc_operand): Renamed to...
7157         (unaligned_load_operand): ... this.  Simplified.
7158         * config/sh/sh.h (PREDICATE_CODES): Adjust.
7159         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
7160         input operand to SImode, and adjust the others.  Introduce
7161         post-increment by peephole.
7162         * config/sh/sh.c (expand_block_move): Give the target address the
7163         same mode as the temp reg.
7164         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
7165         copying.
7166         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
7167         Introduce support for SH4a.
7168         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
7169         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
7170         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
7171         sh_fsca_int2sf): New.
7172         (sh_init_builtins): Initialize them.
7173         (print_operand): Support `d'.
7174         (expand_block_move): Use movua if src is misaligned.
7175         (memory_movsrc_operand): New.
7176         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
7177         and one of the SH4 macros.
7178         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
7179         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
7180         SELECT_SH4A_SINGLE): New.
7181         (TARGET_NONE): Add SH4A_BIT.
7182         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
7183         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
7184         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
7185         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
7186         (enum processor_type): Added PROCESSOR_SH4A.
7187         (PREDICATE_CODES): Add memory_movsrc_operand.
7188         * config/sh/sh.md: Removed unused variables.
7189         (attr cpu): Add sh4a.
7190         (attr type): Add movua, fsrra and fsca.
7191         (prefetch): New, for SH4.
7192         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
7193         (toggle_sz): Set type to fp.
7194         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
7195         (movua, extv, extzv): New.
7196         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
7197         and 4a-single-only.
7198
7199 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
7200
7201         * tree-optimize.c (init_tree_optimization_passes): Schedule
7202         pass_may_alias right after the program is renamed into SSA.
7203         * tree-pass.h (PROP_alias): Define.
7204         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
7205         * tree-sra.c (pass_sra): Likewise.
7206         * tree-ssa-ccp.c (pass_ccp): Likewise.
7207         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
7208         * tree-ssa-dce.c (pass_dce): Likewise.
7209         * tree-ssa-dom.c (pass_dominator): Likewise.
7210         * tree-ssa-dse.c (pass_dse): Likewise.
7211         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7212         * tree-ssa-loop-ch.c (pass_ch): Likewise.
7213         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
7214         * tree-ssa-pre.c (pass_pre): Likewise.
7215         * tree-tailcall.c (pass_tail_recursion): Likewise.
7216         * tree-ssa.c (pass_redundant_phi): Likewise.
7217         * tree-ssa-alias.c (aliases_computed_p): Remove.
7218         Update all users.
7219         (init_alias_info): Do not mark all type tags for renaming
7220         unconditionally.
7221         Clear may_aliases from every symbol.
7222         (setup_pointers_and_addressables): If a pointer has not been
7223         dereferenced and it had a type tag, clear it and mark the old
7224         tag for renaming.
7225
7226 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
7227
7228         PR tree-optimization/16705
7229         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
7230         .GLOBAL_VAR.
7231
7232 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7233
7234         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
7235         check.
7236
7237         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
7238         don't make another one.
7239
7240         PR optimization/15077
7241         * function.h (struct function): Add field saved_static_chain_decl.
7242         Fix comment for static_chain_decl.
7243         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
7244         * tree-inline.h (save_body): Add new arg.
7245         * tree-optimize.c (tree_rest_of_compilation): Handle saving
7246         static_chain_decl.
7247
7248 2004-07-27  Richard Henderson  <rth@redhat.com>
7249
7250         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
7251         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
7252         is_gimple_addressable.
7253         * tree-gimple.c (is_gimple_addressable): Rename from
7254         is_gimple_addr_expr_arg; accept INDIRECT_REF.
7255         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
7256         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
7257         rename to is_gimple_addressable.
7258
7259 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
7260
7261         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
7262
7263 2004-07-27  Richard Henderson  <rth@redhat.com>
7264
7265         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
7266         before rounding.
7267
7268 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
7269
7270         * libgcc2.c: Change all conditionals testing
7271         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
7272         * libgcc2.h: Likewise.
7273         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
7274         TYPE_PRECISION of float80_type to 80.
7275         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
7276         of fpreg_type and float80_type to 80.
7277         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
7278         * config/m68k/netbsd-elf.h:
7279         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
7280         to evaluate to 80 whenever they would formerly have evaluated to 96.
7281         * config/i386/sco5.h: Remove unnecessary redefinition of
7282         LONG_DOUBLE_TYPE_SIZE.
7283         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
7284         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
7285         XFmode, with a bitsize of 80.  Update commentary.
7286         * config/ia64/ia64-modes.def: Likewise.
7287         * config/m68k/m68k-modes.def: Likewise.
7288
7289 2004-07-27  Steven Bosscher  <stevenb@suse.de>
7290
7291         * cfgexpand.c (tree_expand_cfg): Fix comment.
7292
7293         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
7294         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
7295         Remove.
7296         (prepare_function_start): Don't set rtx_equal_function_value_matters.
7297         * integrate.c (copy_rtx_and_substitute): Don't test for it.
7298         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
7299         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
7300         here again.  Update leading comment.
7301         * rtl.c (rtx_equal_function_value_matters): Remove.
7302         (rtx_equal_p): Don't test for it.
7303         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
7304         Likewise.
7305
7306         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
7307         * rtl.c (note_insn_name): Likewise.
7308         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
7309         * final.c (final_scan_insn): Likewise.
7310
7311         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
7312         * passes.c (rest_of_handle_eh): Do it here.
7313
7314         * stmt.c (struct nesting): Remove struct nesting block member.
7315         (struct stmt_status): Remove x_block_start_count field.
7316         (current_block_start_count): Remove.
7317
7318 2004-07-27  Brian Booth  <bbooth@redhat.com>
7319
7320         * tree-optimize.c (register_one_dump_file): Update condition that uses
7321         static_pass_number.
7322         (dup_pass_1): Replace with...
7323         (next_pass_1): This.
7324         (NEXT_PASS): Call next_pass_1.
7325         (DUP_PASS): Remove.
7326         (init_tree_optimization_passes): Remove uses of DUP_PASS.
7327         (execute_one_pass): Update condition that uses
7328         static_pass_number.
7329         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
7330         integer.
7331
7332 2004-07-27  Nick Clifton  <nickc@redhat.com>
7333
7334         * config/m32r/m32r.c: Include integrate.h in order to get the
7335         prototype for get_hard_reg_initial_val().
7336
7337         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
7338         and tidy up indentation.
7339         (final_presence_set): Use absence_set instead, so that if there is
7340         nothing in the "o" pipe the "s" pipe can be scheduled.
7341
7342 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
7343
7344         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
7345         don't have PT_VARS nor PT_MALLOC set.
7346         Clear name tag from pointers that have not been dereferenced.
7347         (set_pt_anything, set_pt_malloc): Forward declare.
7348         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
7349         not type compatibility when determining if a pointer can be
7350         copy propagated.
7351
7352 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
7353
7354         * expr.h (canonicalize_condition, get_condition): Add an int argument.
7355         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
7356         it to check whether the condition is still valid at the jump insn.
7357         * ifcvt.c (noce_get_condition): Likewise.
7358         (noce_get_alt_condition): Update call to canonicalize_condition.
7359         * loop-iv.c (simplify_using_initial_values): Update call to
7360         get_condition.  Remove FIXME.
7361         (check_simple_exit): Update call to get_condition.
7362         * loop-unswitch.c (may_unswitch_on): Likewise.
7363         * loop.c (check_dbra_loop): Likewise.
7364         (canonicalize_condition, get_condition): Add an argument to say whether
7365         the condition must still be valid at INSN.
7366         (get_condition_for_loop): Update call to get_condition.  Require that
7367         the condition be valid at INSN.
7368         * predict.c (estimate_probability): Update call to get_condition.
7369         Remove unused earliest parameter.
7370         (expected_value_to_br_prob): Update call to canonicalize_condition.
7371
7372 2004-07-26  Eric Christopher  <echristo@redhat.com>
7373
7374         * tree-dfa.c (add_referenced_var): Register initializers of global
7375         variables.
7376
7377 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
7378
7379         * config/i386/i386.c (function_arg): Always treat 8-
7380         and 16-byte wide vectors the same, even if MMX/SSE
7381         are disabled.
7382         (contains_128bit_aligned_vector_p): Add comment.
7383
7384 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
7385
7386         * ra.h (enum node_type): Rename to:
7387         (enum ra_node_type).
7388         * ra-colorize.c: Likewise.
7389
7390 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
7391
7392         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
7393         after simplifying the jump.
7394
7395 2004-06-26  Richard Henderson  <rth@redhat.com>
7396
7397         * calls.c (combine_pending_stack_adjustment_and_call): Make
7398         preferred_unit_stack_boundary argument unsigned.  Make
7399         unadjusted_alignment unsigned.
7400         (expand_call): Make preferred_stack_boundary and
7401         preferred_unit_stack_boundary variables unsigned.
7402         * function.c (assign_stack_local_1): Make alignment unsigned.
7403         * function.h (struct function): Make stack_alignment_needed,
7404         preferred_stack_boundary unsigned.
7405         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
7406         (ix86_compute_frame_layout): Make stack_alignment_needed,
7407         preferred_alignment variables unsigned.
7408         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
7409
7410 2004-07-26  Tom Tromey  <tromey@redhat.com>
7411
7412         * tree.h: Fix typo in comment.
7413
7414 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
7415
7416         PR bootstrap/12804
7417         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
7418         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
7419         (ggc_free): Remove incorrect freeing.
7420         (sweep_pages): Advance PP for large pages.  Fix indentation.
7421
7422 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
7423
7424         PR rtl-optimization/16643
7425         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
7426         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
7427         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
7428         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
7429         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
7430         * function.c (thread_prologue_and_epilogue_insns): Likewise.
7431         * rtl.h (tracer): Add a flags parameter.
7432         * tracer.c (tracer): Pass it to cfg_layout_initialise.
7433         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
7434         (rest_of_handle_reorder_blocks): Update calls to tracer and
7435         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
7436         (rest_of_handle_tracer): Pass 0 to tracer.
7437         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
7438
7439 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
7440
7441         PR target/16239
7442         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
7443         f->f.
7444
7445 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
7446
7447         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
7448         (BINFO_BASE_ACCESS): Adjust.
7449         (BINFO_BASE_ACCESS_APPEND): New.
7450         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
7451         * dbxout.c (dbxout_type): Adjust binfo access accessing.
7452         * dwarf2out.c (gen_member_die): Likewise.
7453         * tree-dump.c (deque_and_dump): Likewise.
7454
7455 2004-07-26  Falk Hueffner  <falk@debian.org>
7456
7457         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
7458         costs.
7459
7460 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7461
7462         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
7463         value off of the stack if TARGET_USE_FFREEP.
7464
7465 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7466
7467         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
7468         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
7469         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
7470         check on invocation of XRESIZEVEC ().
7471
7472 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7473
7474         * c-common.c (disable_builtin_function): Rename variable n to
7475         new_disabled_builtin.
7476         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
7477         Rename local variable old to old_decl.
7478         * gensupport.c (shift_output_template): Rename parameter old to src.
7479         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
7480         old_rtx and newx to new_rtx.
7481
7482 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7483
7484         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
7485         of c-pragma.h.
7486         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
7487         enum cpp_ttype.
7488         * c-lex.c: Likewise.
7489
7490 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7491
7492         * fold-const.c (constant_boolean_node): Make extern.
7493         (make_range): Wrap long lines.
7494         (fold_cond_expr_with_comparison): Remove unnecessary call to
7495         pedantic_non_lvalue.  Add missing calls to fold_convert.
7496         (fold_truthop): Add missing calls to fold_convert.
7497         (fold): Likewise.
7498         * tree.h (constant_boolean_node): Add prototype here.
7499         * builtins.c (expand_builtin_strncmp): Add missing calls to
7500         fold_convert.
7501         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
7502         Call fold_convert and constant_boolean_node to correct types.
7503         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
7504         missing call to fold_convert to correct types.
7505
7506 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
7507             Brian Ryner  <bryner@brianryner.com>
7508
7509         PR c++/9283
7510         PR c++/15000
7511         * c-common.c (c_common_attribute_table): Allow
7512         handle_visibility_attribute to be called for types.
7513         (handle_visibility_attribute) When given a type, set the visibility
7514         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
7515         so that we can check later whether the attribute was present. Added
7516         warning if attribute applied to non class type.
7517         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
7518         decls and checking that they are consistent.
7519         * common.opt: Added -fvisibility.
7520         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
7521         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
7522         * flags.h, tree.h: Added assorted support defines for overall patch
7523         * opts.c: Added parsing support for -fvisibility.
7524         * tree.c (build_decl): Set visibility for all decls to be whatever
7525         is in force at that time.
7526         * varasm.c (default_binds_local_p_1): Reworked logic determining
7527         when to make a symbol locally bound.
7528         * doc/invoke.texi: Added documentation for -fvisibility and
7529         -fvisibility-inlines-hidden.
7530
7531 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7532
7533         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
7534         * c-common.c: Add missing casts from void * to other types.
7535         * c-decl.c: Likewise.
7536         * c-format.c: Likewise.
7537         * c-lex.c: Likewise.
7538         * c-pragma.c: Likewise.
7539         * c-typeck.c: Likewise.
7540         * defaults.h: Likewise.
7541         * genconstants.c: Likewise.
7542         * gengtype-lex.l: Likewise.
7543         * genmodes.c: Likewise.
7544         * read-rtl.c: Likewise.
7545         * rtl.c: Likewise.
7546
7547 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7548
7549         * bitmap.c: Use type-safe memory allocation macros from libiberty.
7550         * c-common.c: Likewise.
7551         * c-decl.c: Likewise.
7552         * c-lang.c: Likewise.
7553         * c-lex.c: Likewise.
7554         * c-opts.c: Likewise.
7555         * c-parse.in: Likewise.
7556         * c-typeck.c: Likewise.
7557         * genconditions.c: Likewise.
7558         * gengtype-lex.l: Likewise.
7559         * gengtype-yacc.y: Likewise.
7560         * gengtype.c: Likewise.
7561         * genmodes.c: Likewise.
7562         * gensupport.c: Likewise.
7563         * read-rtl.c: Likewise.
7564         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
7565         htab_find_slot().
7566
7567 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7568
7569         * c-decl.c (groktypename, groktypename_in_param_context): Rename
7570         variable typename to type_name.
7571         * c-lex.c (interpret_float): Likewise.
7572
7573 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7574
7575         * convert.c (convert_to_real, convert_to_integer,
7576         convert_to_complex): Replace calls to build with calls to buildN.
7577         * coverage.c (tree_coverage_counter_ref): Likewise.
7578         * dojump.c (do_jump): Likewise.
7579         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
7580         * emit-rtl.c (component_ref_for_mem_expr,
7581         set_mem_attributes_minus_bitpos): Likewise.
7582         * explow.c (update_nonlocal_goto_save_area): Likewise.
7583         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
7584         expand_mult_add): Likewise.
7585         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
7586         store_constructor, get_inner_reference, expand_expr_real_1,
7587         try_casesi, try_tablejump): Likewise.
7588         * function.c (expand_function_start): Likewise.
7589         * stmt.c (emit_case_bit_tests, expand_end_case_type,
7590         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
7591         * stor-layout.c (place_union_field, layout_type): Likewise.
7592         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
7593         * varasm.c (copy_constant): Likewise.
7594
7595 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7596
7597         * c-common.c: Rename all identifiers named `new'.
7598         * c-decl.c: Likewise.
7599         * gensupport.c: Likewise.
7600         * simplify-rtx.c: Likewise.
7601         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
7602         with XNEW().
7603         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
7604         with XNEWVEC().
7605
7606 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7607
7608         PR c/15360
7609         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
7610         declarations until after calling pushdecl.
7611         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
7612         "extern" and not on whether the declaration is initialized.
7613
7614 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7615
7616         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7617         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
7618         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
7619         "cpplib.h", "c-pragma.h", "c-common.h".
7620         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
7621         (solaris_register_pragmas): New functions.
7622         * config/sol2-protos.h: New file.
7623         * config/sol2.c: New file.
7624         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
7625         (REGISTER_TARGET_PRAGMAS): New macros.
7626         (solaris_pending_aligns, solaris_pending_inits)
7627         (solaris_pending_finis): New variables.
7628         * config/t-sol2 (sol2-c.o): Update dependencies.
7629         (sol2.o): New rule.
7630         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
7631         SUBTARGET_INSERT_ATTRIBUTES.
7632         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
7633         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
7634         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
7635         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
7636         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
7637         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
7638         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
7639         * config/sparc/sparc.c (sparc_attribute_table): New.
7640         (TARGET_INSERT_ATTRIBUTES): Define in terms of
7641         SUBTARGET_INSERT_ATTRIBUTES.
7642         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
7643         is defined.
7644         * doc/extend.texi (Solaris Pragmas): New section.
7645
7646 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7647
7648         * c-common.c: Rename all identifiers named `class' to `cl'.
7649         * c-common.h: Likewise.
7650         * c-parse.in: Likewise.
7651         * c-typeck.c: Likewise.
7652         * genmodes.c: Likewise.
7653         * real.c: Likewise.
7654         * real.h: Likewise.
7655         * recog.c: Likewise.
7656         * recog.h: Likewise.
7657         * regrename.c: Likewise.
7658         * tree.h: Likewise.
7659         * c-common.c (builtin_function_2): Change type of 5th parameter from
7660         int to enum built_in_function. Change type of 8th parameter from int
7661         to bool.
7662         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
7663         with GGC_CNEW().
7664         * c-typeck.c (convert_arguments): Change type of formal_prec from
7665         int to unsigned int.
7666         * genmodes.c (blank_mode): Make a few negative constants unsigned.
7667         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
7668         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
7669         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
7670         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
7671         iterator to for_all_modes () instead of an enum because enums can't
7672         be incremented in C++.
7673
7674
7675 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7676
7677         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
7678         hard registers.
7679
7680 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7681
7682         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
7683         Handle ARRAY_RANGE_REF like ARRAY_REF.
7684
7685 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7686
7687         * c-typeck.c (digest_init): Don't allow arrays of signed or
7688         unsigned variants of wchar_t to be initialized by wide string
7689         constants.  Do allow arrays of enumerated types compatible with
7690         wchar_t to be initialized by wide string constants.  Refine tests
7691         distinguishing wide and narrow strings and arrays.  Give specific
7692         error for arrays of other integer types initialized by string
7693         constants.
7694         (output_init_element, process_init_element): Check for
7695         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
7696         initializing with string constants.
7697
7698 2004-07-25  Richard Henderson  <rth@redhat.com>
7699
7700         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
7701         on the RESULT_DECL.
7702         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
7703         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
7704         DECL_IGNORED_P to new decl.
7705
7706 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
7707
7708         * config/ia64/ia64.c (general_xfmode_operand)
7709         (destination_xfmode_operand): Delete.
7710         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
7711         * config/ia64/ia64.md (*movxf_internal): Use general_operand
7712         and destination_operand.
7713
7714 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7715
7716         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
7717         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
7718
7719 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7720             Zack Weinberg  <zack@codesourcery.com
7721
7722         PR 16684
7723         * c-decl.c (diagnose_mismatched_decls): Don't issue a
7724         redundant-declaration warning the first time a builtin is
7725         declared explicitly.
7726
7727 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7728
7729         * tree.h (staticp): Change return type to bool.
7730
7731 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7732
7733         * c-common.c (c_staticp): Last episode of the staticp saga.
7734
7735 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7736
7737         * c-common.h (c_staticp): Change return type from int to bool.
7738         * tree.c (staticp): Likewise.
7739         * langhooks.h (staticp): Likewise.
7740
7741 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7742
7743         * langhooks-def.h (lhd_staticp): Change return type from int to
7744         bool in prototype to match definition.
7745
7746 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7747
7748         * system.h (bool, true, false): Don't redefine as preprocessor macros
7749         in C++.
7750
7751 2004-07-24  Roger Sayle  <roger@eyesopen.com>
7752
7753         * expmed.c (init_expmed): A signed modulus by a power of two is
7754         considered cheap if its less than or equal to four instructions.
7755
7756 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7757
7758         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
7759         GGC_CNEWVAR): New macros.
7760
7761 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7762
7763         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
7764         lists.
7765         * c-decl.c: Likewise.
7766         * c-format.c: Likewise.
7767         * c-lex.c: Likewise.
7768         * c-opts.c: Likewise.
7769         * c-pragma.c: Likewise.
7770         * c-typeck.c: Likewise.
7771         * gencheck.c: Likewise.
7772         * genconditions.c: Likewise.
7773         * genconfig.c: Likewise.
7774         * genflags.c: Likewise.
7775         * gengtype.c: Likewise.
7776         * gensupport.c: Likewise.
7777         * ggc-none.c: Likewise.
7778         * langhooks.c: Likewise.
7779         * statistics.h: Likewise.
7780         * stub-objc.c: Likewise.
7781         * java/decl.c: Likewise.
7782
7783 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
7784
7785         * config/m68k/m68k.c (output_scc_di): Fix coding style.
7786         (symbolic_operand): Fix prototype.
7787         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
7788         * config/m68k/m68k.md: Add constants for registers a0 and sp and
7789         use them, change from the "{...}" syntax to the simpler {...}
7790         syntax.
7791         (*cfv4_extendqisi2): Fix destination predicate.
7792         * config/m68k/m68k-protos.h: Remove various declarations also
7793         generated via PREDICATE_CODES.
7794
7795 2004-07-23  Mike Stump  <mrs@apple.com>
7796
7797         * c-typeck.c (convert_for_assignment): Tightened up pointer
7798         converstions that differ in signedness.
7799
7800 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7801
7802         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
7803
7804 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7805
7806         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
7807         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
7808
7809         * gimplify.c (gimplify_compound_lval): Check for no handled
7810         operations, rather than checking for explicit list of nodes.
7811         (is_gimple_addr_expr_arg_or_indirect): New function.
7812         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
7813         redundant setting of TREE_INVARIANT.
7814         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
7815         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
7816
7817 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
7818
7819         PR tree-optimization/16688
7820         PR tree-optimization/16689
7821         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
7822         unnecessary initialization of 'tag'.
7823         (get_tmt_for): Check that the new type tag has the same alias
7824         set as the pointed-to type.
7825         (group_aliases): Only regular variables need to be removed
7826         from the alias set of a name tag.
7827         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
7828         propagation if the two types are not compatible.
7829         (merge_alias_info): Rename from replace_ssa_names_ann.
7830         Add more checking.
7831         (replace_exp_1): If both arguments are SSA_NAMEs, check that
7832         the propagation can be done.
7833         Only call merge_alias_info on pointers.
7834         (propagate_value): Likewise.
7835         * tree-ssa-copyrename.c: Include langhooks.h.
7836         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
7837         to do the merging.
7838         Do not coalesce variables with incompatible types.
7839         (rename_ssa_copies): Call replace_ssa_name_symbol.
7840         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
7841         the same type as the underlying _DECL.
7842         * tree-ssanames.c (replace_ssa_name_symbol): New function.
7843         * tree.h (replace_ssa_name_symbol): Declare.
7844
7845 2004-07-23  Richard Henderson  <rth@redhat.com>
7846
7847         PR c++/16277
7848         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
7849         unshare it properly.
7850         (gimplify_modify_expr_rhs): Push assignment from a conditional into
7851         the conditional for all non-register types.
7852
7853 2004-07-23  Richard Henderson  <rth@redhat.com>
7854
7855         * expr.c (expand_expr_real_1): Don't handle non-local variables.
7856         * expr.h (fix_lexical_addr): Remove.
7857         * function.c (NEED_SEPARATE_AP): Remove.
7858         (fix_lexical_addr): Remove.
7859         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
7860         not null decl_function_context.
7861         (create_alias_vars): Likewise.
7862         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
7863         (simple_goto_p): Likewise.
7864         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
7865         * tree-ssa-ccp.c (get_default_value): Likewise.
7866         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7867         * tree.c (needs_to_live_in_memory): Likewise.
7868         * tree-flow-inline.h (may_be_aliased): Move...
7869         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
7870         when TREE_STATIC variables may be addressable.
7871
7872 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
7873
7874         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
7875
7876 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7877
7878         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
7879         bitmap contents if GENERATOR_FILE is defined.
7880         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
7881         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
7882
7883 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
7884
7885         * c-decl.c (start_function): Form composite type of function types
7886         rather than copying type from previous prototype declaration.
7887
7888 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
7889
7890         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
7891         the const qualifier for the second argument in the C++ functions.
7892
7893         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
7894         specific pointer types.
7895
7896         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
7897         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
7898         for vector bool and/or vector pixel, add C++ and C missing support.
7899         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
7900         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
7901         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
7902         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
7903         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
7904         missing C++ and C support for vector bool and/or vector pixel.
7905         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
7906         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
7907         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
7908         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
7909         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
7910         C++ and C types used for vector bool and/or vector pixel.
7911         (vec_st, vec_stl): Add C++ support for vector pixel.
7912         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
7913         (vec_all_ne): Add C++ support for vector pixel.
7914
7915         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
7916         (vec_vmulesb): Add missing C++ function.
7917         (vec_perm): Fix type of third argument in C++ function.
7918         (vec_vsum4shs): Fix C++ function name.
7919         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
7920         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
7921         argument passed to the error handler in C macro.
7922         (vec_nmsub): Remove extra parens around argument names in C macro.
7923         (vec_packpx): Add missing parens in C macro.
7924
7925 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7926
7927         * machmode.def: Remove vector modes.
7928         * config/alpha/alpha-modes.def: Add supported vector modes.
7929         * config/arm/arm-modes.def: Likewise.
7930         * config/frv/frv-modes.def: Likewise.
7931         * config/i386/i386-modes.def: Likewise.
7932         * config/rs6000/rs6000-modes.def: Likewise.
7933         * config/sh/sh-modes.def: Likewise.
7934
7935 2004-07-23  Matthias Klose  <doko@debian.org>
7936
7937         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
7938         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
7939         * config.h: Regenerate.
7940         * configure: Likewise.
7941
7942 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
7943
7944         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
7945         generated SYMBOL_REFs for labels.
7946         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
7947         Change prototype.
7948         (machopic_stub_name): Remove.
7949         (machopic_indirection_name): New function.
7950         (machopic_mcount_stub_name): Likewise.
7951         (machopic_classify_name): Remove.
7952         (machopic_function_base_sym): New function.
7953         (machpoic_classify_symbol): Likewise.
7954         (machopic_classify_ident): Remove.
7955         (machopic_define_ident): Likewise.
7956         (machopic_define_name): Likewise.
7957         (machopic_name_defined_p): Likewise.
7958         (machopic_ident_defined_p): Likewise.
7959         (darwin_strip_name_encoding): Likewise.
7960         (machopic_define_symbol): New function.
7961         * config/darwin.c (hashtab.h): Include.
7962         (machopic_defined_list): Remove.
7963         (machopic_classify_ident): Likewise.
7964         (machopic_classify_name): Likewise.
7965         (machopic_ident_defined_p): Likewise.
7966         (machopic_define_ident): Likewise.
7967         (machopic_define_name): Likewise.
7968         (machopic_symbol_defined_p): New function.
7969         (machopic_classify_symbol): Likewise.
7970         (machopic_data_defined_p): Use machopic_classify_symbol.
7971         (machopic_define_symbol): New function.
7972         (machopic_function_base_sym): New function.
7973         (machopic_non_lazy_pointers): Remove.
7974         (machopic_non_lazy_ptr_name): Likewise.
7975         (machopic_stubs): Likewise.
7976         (machopic_stub_name): Likewise.
7977         (NON_LAZY_POINTER_SUFFIX): New macro.
7978         (STUB_SUFFIX): Likewise.
7979         (machopic_indirection): New structure.
7980         (machopic_indirections): New variable.
7981         (machopic_indirection_hash): New function.
7982         (machopic_indirection_eq): Likewise.
7983         (machopic_indirection_name): Likewise.
7984         (machopic_mcount_stub_name): New function.
7985         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
7986         hash table.
7987         (machopic_indirect_data_reference): Rework to use new functions.
7988         (machopic_indirect_call_target): Likewise.
7989         (machopic_legitimize_pic_address): Likewise.
7990         (machopic_output_indirection): New function.
7991         (machopic_finish): Use it.
7992         (machopic_operand_p): Rework to use new functions.
7993         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
7994         (darwin_strip_name_encoding): Remove.
7995         (update_non_lazy_ptrs): Remove.
7996         (update_stubs): Likewise.
7997         (darwin_non_lazy_pcrel): Use new functions.
7998         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
7999         (ASM_OUTPUT_LABELREF): Likewise.
8000         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8001         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
8002         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
8003         (TARGET_STRIP_NAME_ENCODING): Do not use
8004         darwin_strip_name_encoding.
8005         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
8006         darwin_strip_name_encoding.
8007         * config/i386/darwin.h (FUNCTION_PROFILER): Use
8008         machopic_mcount_stub_name.
8009         * config/i386/i386.c (x86_output_mi_thunk): Use
8010         machopic_indirection_name, not machopic_stub_name.
8011         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
8012         machopic_function_base_sym.
8013         (print_operand): Use machopic_classify_symbol.
8014         (rs6000_emit_prologue): Use machopic_function_base_sym.
8015         (output_profile_hook): Do not use machopic_stub_name.
8016         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
8017
8018 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8019
8020         PR c/7284
8021         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
8022         as multiplication.
8023
8024 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8025
8026         * doc/implement-c.texi: New file.
8027         * doc/extend.texi (C Implementation): Move to there.
8028         * doc/gcc.texi: Include implement-c.texi.
8029         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
8030
8031 2004-07-22  Jason Merrill  <jason@redhat.com>
8032
8033         * integrate.c (copy_decl_for_inlining): Remove invisible reference
8034         handling.
8035         * tree-inline.c (setup_one_parameter): Likewise.
8036
8037 2004-07-22  Brian Booth  <bbooth@redhat.com>
8038
8039         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
8040         (substitute_and_fold): Propigate into VUSE operands when possible.
8041         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
8042         (cp_lattice_meet): Handle merging of latticevalues when
8043         UNKNOWN_VAL is present.
8044         (visit_stmt): Visit assignments with V_MUST_DEFs.
8045         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
8046         (ccp_fold): Deal with RHS' that are constant and virtual.
8047         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
8048         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
8049         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
8050         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
8051         computing immediate uses.
8052         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
8053         transition.
8054         (replace_vuse_in): New function.
8055         (likely_value): Add check of vuse operands.
8056         (get_default_value): Set the default value of virtually defined
8057         variables to UKNOWN_VAL instead of VARYING.
8058
8059 2004-07-22  Richard Henderson  <rth@redhat.com>
8060
8061         * expr.c (emit_push_insn): Don't use set_mem_attributes.
8062
8063 2004-07-22  Richard Henderson  <rth@redhat.com>
8064
8065         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
8066         variables due to conditional compilation.
8067
8068 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
8069
8070         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
8071         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
8072         Release SSA names that have been re-renamed.
8073         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
8074         variable.
8075         * tree-ssa-alias.c (init_alias_info): If aliases have been
8076         computed before, clear existing alias information.
8077         (create_name_tags): Do no fixup PT_ANYTHING pointers.
8078         If the new name tag for a pointer is different than the one it
8079         had before, mark the old tag for renaming.
8080         (replace_may_alias): New function.
8081         (group_aliases): Call it.
8082         (setup_pointers_and_addressables): Always call get_tmt_for.
8083         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
8084         once.
8085         (set_pt_anything): New local function.
8086         (set_pt_malloc): New local function.
8087         (merge_pointed_to_info): Don't merge pointed-to variables from
8088         the original pointer if the destination is pointing to an
8089         unknown location.
8090         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
8091         (add_pointed_to_var): Do not add a variable to the points-to
8092         set if the pointer is already pointing to anywhere.
8093         (collect_points_to_info_r): If the defining statement is a PHI
8094         node, only merge pointed-to information if the argument has
8095         already been visited.
8096         (get_tmt_for): Only create a new tag if the pointer didn't
8097         have one already.
8098         (dump_alias_info): Emit more information.
8099         (dump_points_to_info_for): Likewise.
8100         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
8101         try to get the annotation of an SSA_NAME.
8102         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
8103         alias sets when checking is enabled.
8104         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
8105         (eliminate): Mark basic blocks that will need
8106         EH information cleaned up.
8107         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
8108         predecessor.
8109         Initialize need_eh_cleanup.
8110         (fini_pre): Call tree_purge_all_dead_eh_edges and
8111         cleanup_tree_cfg if needed.
8112         Free need_eh_cleanup.
8113         * tree-ssa.c (verify_ssa_name): New function.
8114         (verify_def): Call it.
8115         Re-arrange to avoid printing too many error messages.
8116         (verify_use): Likewise.
8117         (verify_phi_args): Likewise.
8118         (verify_flow_insensitive_alias_info): New function.
8119         (verify_flow_sensitive_alias_info): New function.
8120         (verify_alias_info): New function.
8121         (verify_ssa): Call verify_alias_info.
8122         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
8123         program.
8124         Re-arrange to avoid printing too many error messages.
8125         * tree-ssanames.c (make_ssa_name): Clear
8126         SSA_NAME_IN_FREE_LIST.
8127         (release_ssa_name): Never release a default definition.
8128         (release_defs): New function.
8129         * tree.h: Declare it.
8130         * tree-ssa-dce.c (remove_dead_stmt): Call it.
8131
8132 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
8133
8134         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
8135         If true, do a depth-first search.  Do a breadht-first search,
8136         otherwise.
8137         (walk_use_def_chains): Add new argument IS_DFS.
8138         Update all users.
8139         * tree-flow.h (walk_use_def_chains): Update prototype.
8140
8141 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
8142
8143         * config/cris/cris.md: Tweak formatting.
8144         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
8145         (mover2side, moverside, movemside, movei, op3, andu): Replace
8146         live define_peephole:s with define_peephole2 near-equivalents.
8147         Delete the rest.
8148         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
8149         word-size modes.
8150         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
8151         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
8152         "*mov_sidesi_mem" respectively.
8153
8154 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
8155
8156         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
8157         (gimplify_build1): Move from tree-complex.c do_unop.
8158         (gimplify_build2): Move from tree-complex.c do_binop.
8159         (gimplify_build3): New.
8160         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
8161         Adjust throughout to call the functions above.
8162         * tree-flow.h: Declare the functions above.
8163         * tree-nested.c (gimplify_val): Rename to...
8164         (tsi_gimplify_val): ... this.
8165
8166         * Makefile.in (tree_complex.o): Update dependencies.
8167         (stor-layout.o): Depend on regs.h.
8168         * c-common.c (handle_vector_size_attribute): Update for
8169         vector types without corresponding vector modes.
8170         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
8171         a corresponding vector mode is not available.
8172         * print-tree.c (print_node): Print nunits for vector types
8173         * regclass.c (have_regs_of_mode): New.
8174         (init_reg_sets_1): Initialize it and use it instead
8175         of allocatable_regs_of_mode.
8176         * regs.h (have_regs_of_mode): Declare it.
8177         * stor-layout.c (layout_type): Pick a mode for vector types.
8178         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
8179         build_replicated_const, do_unop, do_binop, do_plus_minus,
8180         do_negate, expand_vector_piecewise, expand_vector_parallel,
8181         expand_vector_addition, expand_vector_operations_1,
8182         expand_vector_operations, tree_lower_operations,
8183         pass_lower_vector_ssa, pass_pre_expand): New.
8184         (expand_complex_operations, pass_lower_complex): Remove.
8185         * tree-optimize.c (init_tree_optimization_passes): Adjust
8186         pass ordering for changes in tree-complex.c.
8187         * tree-pass.h: Declare new passes.
8188         * tree.c (finish_vector_type): Remove.
8189         (make_vector_type): New.
8190         (build_vector_type_for_mode, build_vector_type): Rewritten.
8191         * tree.def (VECTOR_TYPE): Document where the number of
8192         subparts is stored.
8193         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
8194         (make_vector): Remove declaration.
8195
8196 2004-07-21  Richard Henderson  <rth@redhat.com>
8197
8198         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
8199         TREE_THIS_VOLATILE, may_aliases, or optimization level.
8200         (remove_useless_vars): Dump debugging info.
8201         (expand_used_vars): Move ...
8202         * cfgexpand.c (expand_used_vars): ... here.  Make static.
8203         * tree-flow-inline.h (set_is_used): New.
8204         (set_default_def): Use get_var_ann.
8205         * tree-flow.h: Update decls.
8206         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
8207         (create_ssa_var_map): Use it.
8208         * tree-ssa.c (set_is_used): Remove.
8209
8210 2004-07-22  Ben Elliston  <bje@au.ibm.com>
8211
8212         * gdbinit.in: Set a breakpoint on internal_error.
8213
8214 2004-07-21  Richard Henderson  <rth@redhat.com>
8215
8216         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
8217         to create a new basic block.
8218
8219 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8220
8221         PR c/15052
8222         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
8223         return type on function definitions.  Move other warnings for
8224         qualified return type to -Wreturn-type.  Do not condition any such
8225         warnings on -pedantic.  Update comments.
8226         (start_function): Only copy function type from previous prototype
8227         declaration if return types are compatible.
8228         * c-typeck.c (function_types_compatible_p): Don't condition
8229         warning for incompatibility of volatile qualifiers on the return
8230         type on -pedantic.  Update comment.
8231         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
8232
8233 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8234
8235         * c-typeck.c (set_init_index): Require designator to be of integer
8236         type.
8237
8238 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8239
8240         PR c/11250
8241         * c-parse.in (init): Change to exprtype.
8242         (primary): Set original_code for STRING to STRING_CST.
8243         Call maybe_warn_string_init for compound literals.
8244         (initdcl, notype_initdcl): Call maybe_warn_string_init.
8245         (initval): Update.
8246         * c-tree.h (maybe_warn_string_init): New.
8247         (pop_init_level, process_init_element): Use struct c_expr.
8248         (struct c_expr): Update comment.
8249         * c-typeck.c (maybe_warn_string_init): New function.
8250         (digest_init): Call it.  Additional parameter strict_string.  All
8251         callers changed.
8252         (output_init_element): Likewise.
8253         (struct constructor_stack): Use struct c_expr for
8254         replacement_value.
8255         (really_start_incremental_init, push_init_level): Update.
8256         (pop_init_level): Update.  Return struct c_expr.
8257         (process_init_level): Update.  Take struct c_expr argument.
8258
8259 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
8260
8261         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
8262         commit.
8263
8264 2004-07-21  Eric Christopher  <echristo@redhat.com>
8265
8266         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
8267         removal.
8268         * c-decl.c (pop_scope): Ditto.
8269         * calls.c (expand_call): Remove call to current_nesting_level,
8270         update comment accordingly. Remove calls to expand_start_target_temps
8271         and expand_end_target_temps.
8272         * cfgexpand.c (construct_init_block): Remove call to
8273         expand_start_bindings_and_block.
8274         (construct_exit_block): Remove call to expand_end_bindings.
8275         * expr.c (safe_from_p): Remove BIND_EXPR handling.
8276         (expand_expr_real_1): Ditto. Fix formatting.
8277         (expand_vars): Delete.
8278         * stmt.c (POPSTACK): Remove block_stack.
8279         (stmt_status): Remove x_block_stack.
8280         (block_stack): Delete.
8281         (expand_start_bindings_and_block): Ditto.
8282         (expand_start_target_temps): Ditto.
8283         (expand_end_target_temps): Ditto.
8284         (current_nesting_level): Ditto.
8285         (warn_about_unused_variables): Ditto.
8286         (expand_end_bindings): Ditto.
8287         * tree.h: Remove declarations for above.
8288
8289 2004-07-21  Steven Bosscher  <stevenb@suse.de>
8290
8291         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
8292         * rtl.c (note_insn_name): Likewise.
8293         * print-rtl.c (print_rtx): Don't print it.
8294         * cfgrtl.h (can_delete_note_p): Don't handle it.
8295         (rtl_delete_block): Likewise.
8296         * passes.c (rest_of_handle_guess_branch_prob): Remove.
8297         (rest_of_compilation): Don't call it.
8298         * predict.c (process_note_predictions, process_note_prediction,
8299         note_prediction_to_br_prob): Remove.
8300         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
8301         * stmt.c (return_prediction): Remove.
8302         (expand_value_return): Don't call it.  Don't add prediction
8303         notes for return statements.
8304
8305 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
8306
8307         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
8308         once.
8309
8310 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
8311
8312         * c-common.c (vector_types_convertible_p): Use vector types'
8313         TYPE_SIZE and TREE_TYPE instead of their mode.
8314         * convert.c (convert_to_integer): Likewise.
8315         (convert_to_vector): Likewise.
8316         * fold-const.c (fold_convert): Likewise.
8317         * varasm.c (output_constant): Likewise.
8318         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
8319         Allow a VECTOR_TYPE initializer to be made of several vectors.
8320         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
8321         of cleared and need_to_clear, and use fold_convert.
8322         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
8323         integer vectors.
8324
8325 2004-07-20  Richard Henderson  <rth@redhat.com>
8326
8327         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
8328         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
8329
8330 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
8331
8332         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
8333         enormous cost if not TARGET_HARD_MUL.
8334
8335 2004-07-20  Andrew Pinski  <apinski@apple.com>
8336
8337         PR target/16557
8338         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
8339         (ASM_SPEC): here.
8340
8341 2004-07-21  Paul brook  <paul@codesourcery.com>
8342
8343         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
8344
8345 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8346
8347         * fold-const.c (operand_equal_p): Temporarily support NULL args.
8348         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
8349         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
8350
8351 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
8352
8353         * rtl.h (plus_constant): Delete.
8354         (plus_constant_wide): Rename to plus_constant.
8355         (plus_constant_for_output_wide): Delete vestigial prototype.
8356         (GEN_INT): Remove unnecessary cast.
8357         * tree.h (build_int_2, size_int_type): Delete.
8358         (build_int_2_wide): Rename to build_int_2.
8359         (size_int_wide): Rename to size_int_kind.
8360         (size_int_type_wide): Rename to size_int_type.
8361         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
8362         Remove unnecessary cast.
8363         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
8364         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
8365         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
8366         (size_int_type_wide): Rename size_int_type.
8367         (int_const_binop): Use size_int_type.
8368         * c-lex.c (interpret_integer): Use build_int_2.
8369         * final.c (split_double): Remove unnecessary casts.
8370         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
8371
8372 2004-07-20  Richard Henderson  <rth@redhat.com>
8373
8374         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
8375         (gimplify_compound_lval): Use is_gimple_tmp_reg.
8376         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
8377         (is_gimple_tmp_reg): New.
8378         * tree-gimple.h (is_gimple_tmp_reg): Declare.
8379
8380 2004-07-20  Richard Henderson  <rth@redhat.com>
8381
8382         * tree-pretty-print.c (dump_generic_node): Dump
8383         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
8384
8385 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
8386
8387         * tree-mudflap.c (mf_set_options_fndecl): New tree.
8388         (mudflap_init): Set it.
8389         (mudflap_register_call): Remove __mf_init call.
8390         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
8391         to pass "-ignore-reads" option to libmudflap if needed.
8392
8393 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
8394
8395         PR c++/14607
8396         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
8397         (MAKE_DECL_ONE_ONLY): Undefine.
8398         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
8399         readonly_data, one_only_data_section, forget_section): New prototypes.
8400         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
8401         functions.
8402         (pa_select_section): Add one-only (COMDAT) support.
8403         * pa.h (struct machine_function): Define.
8404         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
8405         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
8406         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
8407         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
8408         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
8409         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
8410         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
8411         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
8412         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
8413         for EXTRA_SECTION_FUNCTIONS.
8414         * doc/install.texi: Update binutils requirements.
8415
8416 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
8417
8418         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
8419         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
8420         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
8421         size_t.
8422         (struct VEC): Use unsigned for num and alloc.
8423         * vec.c (struct vec_prefix): Likewise.
8424         (vec_o_reserve): Adjust.
8425
8426         * dbxout.c (dbxout_type): Fix printf format.
8427
8428         * tree.h (binfo_member): Remove.
8429         * tree.c (binfo_member): Remove.
8430
8431 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
8432
8433         * tree.h: Include vec.h
8434         (DEF_VEC_P(tree)): New type.
8435         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
8436         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
8437         (BINFO_LANG_SLOT): Remove.
8438         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
8439         (struct tree_binfo): Turn base_binfos into a trailing
8440         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
8441         (binfo_lang_slots): Remove.
8442         * tree.c (binfo_lang_slots): Remove.
8443         (make_tree_binfo_stat): Take a base binfo count, not a
8444         lang slot count.  Adjust.
8445         * Makefile.in (TREE_H): Add vec.h
8446         * alias.c (record_component_aliases): Adjust BINFO access.
8447         * dbxout.c (dbxout_type): Likewise.
8448         * dwarf2out.c (gen_member_die): Likewise.
8449         * sdbout.c (sdbout_one_type): Likewise.
8450         * tree-dump.c (deque_and_dump): Likewise.
8451         * config/i386/i386.c (classify_argument,
8452         contains_128bit_aligned_vector_p): Likewise.
8453         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
8454         * doc/c-tree.texi (Classes): Update BINFO documentation.
8455
8456 2004-07-20  Steven Bosscher  <stevenb@suse.de>
8457
8458         * c-common.h (check_case_value): Remove prototype.
8459         (c_add_case_label): Adjust prototype.
8460         * c-common.c (check_case_value): Make static.
8461         (check_case_bounds): New function.
8462         (c_add_case_label): Use it.  Take new argument orig_type.
8463         * c-typeck.c (struct c_switch): New orig_type field.
8464         (c_start_case): Set it.
8465         (do_case): Pass it to c_add_case_label.
8466         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
8467         cases from here.  Add the labels in reverse order.
8468         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
8469         (add_case_node): Return nothing, don't check for duplicate cases.
8470         Insert new case nodes in a list, not in an AVL tree.
8471         (expand_end_case_type): Don't turn a case tree into a case list.
8472         (case_tree2list): Remove.
8473         * tree.h (add_case_node): Adjust prototype.
8474
8475 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
8476
8477         * genattr.c (struct range, struct function_unit,
8478         write_units, extend_range, init_range): Remove them.
8479         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
8480         Output "#define INSN_SCHEDULING" here.
8481         * genattrtab.c (struct range, struct function_unit_op,
8482         struct function_unit, struct dimension, enum operator,
8483         operate_exp, expand_units, simplify_knowing,
8484         encode_units_mask, simplify_by_exploding,
8485         find_and_mark_used_attributes, unmark_used_attributes,
8486         add_values_to_cover, increment_current_value,
8487         test_for_current_value, simplify_with_current_value,
8488         simplify_with_current_value_aux, gen_unit,
8489         write_unit_name, write_function_unit_info,
8490         write_complex_function, write_toplevel_expr,
8491         find_single_value, extend_range): Remove.
8492         (write_attr_get): Do not handle common_av->value
8493         being an FFS.
8494         (struct attr_desc): Remove func_units_p and blockage_p.
8495         (write_attr_valueq): Do not handle them.
8496         (find_attr): Do not clear them.
8497         (make_internal_attr): Do not initialize them.
8498         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
8499         * sched-vis.c (init_target_units, insn_print_units,
8500         init_block_visualization, print_block_visualization,
8501         visualize_scheduled_insns, visualize_no_unit,
8502         visualize_stall_cycles, visualize_alloc,
8503         visualize_free, target_units, get_visual_tbl_length,
8504         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
8505         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
8506         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
8507         * haifa-sched.c (blockage_range, clear_units,
8508         schedule_unit, actual_hazard, potential_hazard,
8509         insn_unit, unit_last_insn, unit_tick,
8510         actual_hazard_this_instance, potential_hazard,
8511         schedule_unit, max_insn_queue_index_value): Remove.
8512         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
8513         max_insn_queue_index.
8514         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
8515         * doc/md.texi (Processor pipeline description): Remove
8516         references to old pipeline descriptions.
8517         (Automaton pipeline description): Merge with the above.
8518         (Old pipeline description, Comparison of the two descriptions):
8519         Remove.
8520
8521         * bt-load.c (migrate_btr_def): Remove references to
8522         use_pipeline_interface.
8523         * haifa-sched.c (insn_cost, schedule_insn,
8524         schedule_block, advance_one_cycle, sched_init,
8525         queue_to_ready, sched_finish): Likewise.
8526         * modulo-sched.c (sms_schedule, advance_one_cycle,
8527         ps_has_conflicts): Likewise.
8528         * sched-rgn.c (init_ready): Likewise.
8529         (debug_dependencies): Likewise, and remove an "if (1)".
8530         * target.h (use_dfa_pipeline_interface): Remove.
8531         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8532         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8533         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8534         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8535         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8536         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8537         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8538         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8539         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8540         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8541         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8542         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8543         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8544         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8545         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8546         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8547         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8548         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8549         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8550
8551 2004-07-19  Roger Sayle  <roger@eyesopen.com>
8552
8553         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
8554
8555 2004-07-19  Jeff Law  <law@redhat.com>
8556
8557         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
8558         (get_eq_expr_value): Use it.  Simplify slightly.
8559
8560 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
8561
8562         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
8563         (umulsidi3_32bit_r4000): Likewise.
8564
8565 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
8566
8567         * vec.h: Propagate location information properly.
8568         (VEC_T_iterate): Add result pointer parameter.
8569         (VEC_T_space): New.
8570         (VEC_T_reserve): Use it.
8571
8572 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
8573
8574         * Makefile.in (c-format.o): Depend on c-format.h.
8575         * c-format.h: New file.
8576         (struct format_char_info): Add CHAIN member.
8577         * c-format.c: Move some types and constants to c-format.h.
8578         (format_type_error): Set to -1.
8579         (struct function_format_info): Use an int for format_type.
8580         (decode_format_type): Return an int.  Return format_type_error
8581         on error.
8582         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
8583         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
8584         (scan_char_table, time_char_table, monetary_char_table): Initialize
8585         CHAIN to NULL.
8586         (n_format_types): New variable.
8587         (check_format_info_main): Handle CHAIN in format_char_info.
8588         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
8589         TARGET_N_FORMAT_TYPES.
8590         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
8591         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
8592         * config/sol2-c.c: New file.
8593         * config/t-sol2: New file.
8594         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
8595         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
8596         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
8597
8598         * doc/extend.texi (Target Format Checks): New section.
8599         (Function Attributes): Mention it.
8600         * doc/invoke.texi: Mention target format checks.
8601         * doc/sourcebuild.texi: Mention target format checks.
8602         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
8603         TARGET_FORMAT_TYPES.
8604
8605 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
8606
8607         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
8608         added.
8609         * config/s390/s390.c (regclass_map initializer): Register 35 added to
8610         ADDR_REGS.
8611         (load_multiple_operation, store_multiple_operation): Removed
8612         pointless sanity check.
8613         (s390_decompose_address): Added check for return_address_pointer_rtx.
8614         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
8615         (s390_return_address_offset): New function.
8616         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
8617         (FRAME_REGNO_P): Added check for register 35.
8618         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
8619         REG_ALLOC_ORDER): Appended entry for register 35.
8620         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
8621         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
8622         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
8623         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
8624         is eliminable using stack pointer or hard frame pointer.
8625         (REGISTER_NAMES): Added name for register 35.
8626         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
8627         pointless sanity check.
8628
8629 2004-07-19  Roger Sayle  <roger@eyesopen.com>
8630
8631         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
8632         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
8633         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
8634         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
8635         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
8636         (fold_relational_const): Tidy up handling of floating point
8637         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
8638         transformation; fold_relational_const assumes constant operands.
8639
8640 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
8641
8642         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
8643         directory.
8644
8645 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
8646
8647         * c-tree.h (struct c_expr): Define.
8648         (C_SET_EXP_ORIGINAL_CODE): Remove.
8649         (parser_build_binary_op, build_compound_expr): Update prototypes.
8650         * c-parse.in (%union): Add exprtype.
8651         (FUNC_NAME): Mark as ttype.
8652         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
8653         exprtype.
8654         (expr): Update.  Define directly in terms of expr_no_commas
8655         instead of using nonnull_exprlist.
8656         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
8657         offsetof_member_designator, typespec_nonreserved_nonattr, init,
8658         initval, designator, component_declarator,
8659         component_notype_declarator, enumerator, array_declarator,
8660         condition, exexpr, switch_statement, stmt_nocomp, stmt,
8661         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
8662         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
8663         where appropriate.
8664         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
8665         * c-common.c (c_common_truthvalue_conversion): Don't check
8666         C_EXP_ORIGINAL_CODE.
8667         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
8668         Don't use C_EXP_ORIGINAL_CODE.
8669         (default_conversion, default_function_array_conversion): Don't use
8670         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
8671         (internal_build_compound_expr): Merge into build_compound_expr.
8672         (build_compound_expr): Take two operands instead of a TREE_LIST.
8673         * objc/objc-act.c (get_super_receiver): Update calls to
8674         build_compound_expr.
8675
8676 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
8677
8678         * config/sh/sh.c (sh_use_dfa_interface): Remove.
8679         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
8680         hook_int_void_1.
8681         * config/sh/sh.md: Extract pipeline descriptions
8682         into separate files.
8683         * config/sh/sh1.md: New file, extracted from sh.md.
8684         * config/sh/sh4.md: New file, extracted from sh.md.
8685         * config/sh/shmedia.md: New file, extracted from sh.md
8686         and rewritten using new-style pipeline description.
8687
8688 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
8689
8690         * config/pa/pa.md: Delete the two remaining define_peephole
8691         patterns.
8692
8693 2004-07-18  Steven Bosscher  <stevenb@suse.de>
8694             Joseph S. Myers  <jsm@polyomino.org.uk>
8695
8696         * c-common.c (c_common_truthvalue_conversion): Don't warn if
8697         TREE_NO_WARNING is set.
8698
8699 2004-07-18  Roger Sayle  <roger@eyesopen.com>
8700
8701         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
8702         simplify_builtin_strncmp): Delete.
8703         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
8704         Change argument to accept an arglist instead of an "exp".  Assume
8705         that the return type is always integer_type_node.  Copy missing
8706         transformations from their now obsolete simplify_builtin_*
8707         equivalents.
8708         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
8709         fold_builtin_strcmp and fold_builtin_strncmp.
8710         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
8711         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
8712         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
8713
8714 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
8715
8716         * Makefile.in (tree-alias-common.o): Update dependencies.
8717
8718 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
8719
8720         * cfgloop.c (flow_loop_nested_p): Fix comment.
8721
8722 2004-07-17  Jason Merrill  <jason@redhat.com>
8723
8724         PR c++/16115
8725         * stor-layout.c (relayout_decl): New fn.
8726         * tree.h: Declare it.
8727         (DECL_BY_REFERENCE): New macro.
8728
8729 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
8730
8731         * libgcc2.c (__enable_execute_stack): New symbol.
8732         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
8733         and declare __enable_execute_stack.
8734         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
8735         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
8736         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8737         ENABLE_EXECUTE_STACK.
8738         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
8739         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8740         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8741         ENABLE_EXECUTE_STACK.
8742         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8743         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
8744         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8745         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8746         ENABLE_EXECUTE_STACK.
8747         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8748         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8749         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8750         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8751         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
8752         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8753         (sparc64_initialize_trampoline): Likewise.
8754         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
8755
8756 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8757
8758         * langhooks.h (builtin_function): New langhook.
8759         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
8760         (LANG_HOOKS_INITIALIZER): Update.
8761         * tree.h (builtin_function): Remove.
8762         * doc/tm.texi: Update.
8763         * c-tree.h (builtin_function): Declare.
8764         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
8765         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
8766         config/ia64/ia64.c, config/iq2000/iq2000.c,
8767         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
8768         config/stormy16/stormy16.c: All callers of builtin_function
8769         changed.
8770
8771 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
8772
8773         PR target/16556
8774         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
8775         Remove white space after the backslash.
8776
8777 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
8778
8779         PR rtl-optimization/16294
8780         * resource.c (return_insn_p): New predicate.
8781         (mark_target_live_regs): Use it.  Special-case return insns.
8782         (init_resource_info): Use it.  Don't scan the epilogue past
8783         a return.
8784
8785 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8786
8787         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
8788         destroy dominance information.
8789         * passes.c (rest_of_handle_loop2):  Free dominance information.
8790         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
8791         jump threading.
8792         (thread_jumps): Update dominance information and remove unreachable
8793         blocks.
8794         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
8795         information and remove the unreachable block.
8796
8797 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
8798
8799         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
8800
8801 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
8802
8803         * doc/sourcebuild.texi: Remove libf2c entry.
8804
8805 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
8806
8807         * config/i386/i386.md (movv16qi_internal): Fix typo.
8808
8809 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8810
8811         * final.c (final_scan_insn): Fix broken commit from previous
8812         patch.
8813
8814 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8815
8816         * c-typeck.c (parser_build_binary_op): Condition warnings for
8817         X<=Y<=Z on -Wparentheses instead of -Wextra.
8818         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
8819         supported for C only.
8820
8821 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8822
8823         * cfgcleanup.c (try_simplify_condjump): Don't remove line
8824         notes to avoid unreachable code warnings.
8825         * toplev.c (backend_init): Don't emit line notes for
8826         unreachable code warnings.
8827
8828         * combine.c (distribute_notes): Don't distribute a
8829         REG_VTABLE_REF note.
8830         * final.c (final_scan_insn): Don't handle it.
8831         * rtl.c (reg_note_name): Remove it.
8832         * rtl.h (enum reg_node): Dito.
8833
8834         * emit-rtl.c (force_line_numbers, restore_line_number_status):
8835         Remove.
8836         * rtl.h (force_line_numbers, restore_line_number_status):
8837         Remove prototypes.
8838
8839         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
8840         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
8841         (using_eh_for_cleanups): Also moved here.
8842
8843         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
8844         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
8845         to expand_start_case and add_case_node.
8846         * stmt.c (struct nesting): Cleanup unused fields condition_code,
8847         last_unconditional_cleanup, nominal_type, printname, and
8848         line_number_status.
8849         (struct fixup_goto): Remove.
8850         (struct stmt_status): Remove x_goto_fixup_chain field.
8851         (goto_fixup_chain): Remove.
8852         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
8853         pushcase, pushcase_range): Remove.
8854         (expand_start_bindings_and_block): Don't set unused fields in
8855         the nesting stack.
8856         (expand_start_case, add_case_node): Cleanup unused formal arguments.
8857         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
8858         instead of emit_jump_if_reachable.
8859         (emit_case_nodes): Likewise.
8860         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
8861         static.
8862         (update_eh_label): Work around left-over exception handing regions.
8863         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
8864         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
8865         (pass_cleanup_cfg_post_optimizing): New pass.
8866         (init_tree_optimization_passes): Run the new pass after all
8867         optimizations.
8868         * tree.h (pushcase, pushcase_range): Remove prototypes.
8869         (expand_start_case, add_case_node): Update prototypes.
8870
8871 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
8872
8873         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
8874
8875 2004-07-16  Richard Henderson  <rth@redhat.com>
8876
8877         * builtins.c (std_expand_builtin_va_arg): Remove.
8878         (expand_builtin_va_arg): Remove.
8879         * expr.h: Don't declare them.
8880         * gimplify.c (mark_decls_volatile_r): Remove.
8881         (copy_if_shared_r): Don't call it.
8882         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
8883         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
8884         * gimple-low.c (lower_stmt): Likewise.
8885         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
8886         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
8887         * tree-ssa-operands.c (get_expr_operands): Likewise.
8888         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
8889         EXPAND_BUILTIN_VA_ARG.
8890         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
8891         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
8892         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
8893         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8894
8895 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8896
8897         * tree-ssa-pre.c (insert_aux): Break out if we hit
8898         a critical edge.
8899
8900 2004-07-16  Richard Henderson  <rth@redhat.com>
8901
8902         * basic-block.h (remove_fake_exit_edges): Declare.
8903         * cfganal.c (remove_fake_predecessors): Rename from
8904         remove_fake_successors; iterate over predecessors.
8905         (remove_fake_exit_edges): New.
8906         * cfgcleanup.c (try_optimize_cfg): Use it.
8907         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
8908         * predict.c (estimate_probability): Likewise.
8909         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
8910         * tree-cfg.c (make_edges): Likewise.
8911         * tree-ssa-pre.c (fini_pre): Likewise.
8912         * profile.c (instrument_edges): Don't remove_fake_edges.
8913         (branch_prob): Do it earlier here.
8914
8915 2004-07-16  Richard Henderson  <rth@redhat.com>
8916
8917         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
8918         switchification wrt CONSTRUCTOR.  Document the reason.
8919
8920 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
8921
8922         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
8923         that prevented descriptive __mf_check source location strings.
8924
8925 2004-07-16  Richard Henderson  <rth@redhat.com>
8926
8927         * tree-def (WITH_SIZE_EXPR): New.
8928         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
8929         * expr.c (expand_expr_real_1): Likewise.
8930         * gimplify.c (maybe_with_size_expr): New.
8931         (gimplify_arg, gimplify_modify_expr): Use it.
8932         (gimplify_modify_expr_to_memcpy): Take size parameter.
8933         (gimplify_modify_expr_to_memset): Likewise.
8934         (gimplify_expr): Handle WITH_SIZE_EXPR.
8935         * tree-alias-common.c (find_func_aliases): Likewise.
8936         * tree-eh.c (tree_could_trap_p): Likewise.
8937         (tree_could_throw_p): Likewise.
8938         * tree-gimple.c (is_gimple_lvalue): Likewise.
8939         (get_call_expr_in): Likewise.
8940         * tree-inline.c (estimate_num_insns_1): Likewise.
8941         (expand_calls_inline): Likewise.
8942         * tree-nested.c (convert_call_expr): Likewise.
8943         * tree-pretty-print.c (dump_generic_node): Likewise.
8944         * tree-sra.c (sra_walk_expr): Likewise.
8945         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
8946         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
8947         * tree-ssa-operands.c (get_expr_operands): Likewise.
8948         * tree-tailcall.c (find_tail_calls): Likewise.
8949
8950         * calls.c (expand_call): Reset old_stack_allocated after
8951         calling emit_stack_restore.
8952
8953 2004-07-16  Richard Henderson  <rth@redhat.com>
8954
8955         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
8956         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8957         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8958         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
8959         copy_res_decl_for_inlining.
8960
8961         * tree-inline.c (declare_return_variable): New modify_dest argument.
8962         Use it as the return value, when possible or manditory.  Handle
8963         TREE_ADDRESSABLE types.
8964         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
8965         replacement of CALL_EXPR.
8966
8967 2004-07-16  Richard Henderson  <rth@redhat.com>
8968
8969         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
8970         * gimple-low.c (expand_var_p): Don't check it.
8971         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
8972         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
8973         * tree-ssa-operands.c (add_stmt_operand): Likewise.
8974         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
8975         (find_referenced_vars): Don't call them.
8976         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
8977
8978 2004-07-16  Richard Henderson  <rth@redhat.com>
8979
8980         * function.c (pass_by_reference): True for all variable sized types.
8981
8982 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
8983
8984         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
8985         * tree-pretty-print.c: Include tree-chrec.h.
8986         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
8987         and POLYNOMIAL_CHREC nodes.
8988
8989 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
8990
8991         * builtins.c (expand_builtin_stpcpy): Do not create temporary
8992         reg with VOIDmode.
8993
8994 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8995
8996         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
8997
8998 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
8999
9000         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
9001         to BASE_REGNUM.
9002         * config/s390/s390.c: Likewise.
9003         * config/s390/s390.h: Likewise.
9004
9005 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9006
9007         * config/mips/mips.md (addsi3, adddi3): Remove special handling
9008         of $sp adds.  Remove REGNO checks from mips16 patterns.
9009
9010 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9011
9012         * config/mips/mips.md: Delete outdated comment.
9013
9014 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9015
9016         * config/mips/mips.c (get_float_compare_codes): Delete.
9017         (mips_emit_compare): New function, mostly extracted from
9018         get_float_compare_codes and gen_conditional_branch.
9019         (gen_conditional_branch, gen_conditional_move): Use it.
9020
9021 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
9022
9023         * genautomata.c (add_vect): Speedup by using integers as
9024         bit-vectors for walking through the comb_vect and finding
9025         a match.
9026
9027 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9028
9029         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
9030         operand is an uns_arith_operand; use subtraction otherwise.
9031         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
9032         not just arith_operands.
9033
9034 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9035
9036         * config/mips/mips-protos.h (gen_int_relational): Delete.
9037         (mips_emit_scc): Declare.
9038         * config/mips/mips.c (internal_test): Delete.
9039         (sle_operand, sleu_operand): New functions.
9040         (map_test_to_internal_test, gen_int_relational): Delete.
9041         (mips_emit_binary, mips_relational_operand_ok_p)
9042         (mips_emit_int_relational, mips_zero_if_equal)
9043         (mips_emit_scc): New functions.
9044         (gen_conditional_branch): Rework to use mips_emit_int_relational.
9045         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
9046         sleu_operand.
9047         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
9048         (sltu, sleu): Use mips_emit_scc.
9049         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
9050         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
9051         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
9052
9053 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9054
9055         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
9056
9057 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9058
9059         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
9060         (*sne_[sd]i): Likewise sne_[sd]i_zero.
9061         (*sgt_[sd]i): ...and sgt_[sd]i.
9062         (*slt_[sd]i): ...and slt_[sd]i.
9063         (*sgtu_[sd]i): ...and sgtu_[sd]i.
9064         (*sltu_[sd]i): ...and sltu_[sd]i.
9065         (*sleu_[sd]i): ...and sleu_[sd]i_const.
9066         Name previously unnamed mips16 patterns.  Formatting fixes.
9067
9068 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9069
9070         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
9071         (branch_type): Delete.
9072         (gen_conditional_branch, gen_conditional_move)
9073         (mips_gen_conditional_trap): Update after name change.  Get the
9074         comparison mode from cmp_operands[0].
9075         * config/mips/mips.h (cmp_type, branch_type): Delete.
9076         (cmp_operands): Renamed from branch_cmp.
9077         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
9078         name change.  Don't set branch_type.
9079         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
9080         mode class of cmp_operands[0] rather than branch_type.  Update after
9081         name change.
9082
9083 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9084
9085         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
9086         of 0...255 to 0 when inside a SET.
9087
9088 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
9089
9090         * config/mips/mips.md: Remove mips16 define_peepholes.
9091
9092 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
9093
9094         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
9095         (fini_pre): Remove fake edges.
9096
9097 2004-07-15  Richard Henderson  <rth@redhat.com>
9098
9099         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
9100         (get_indirect_ref_operands, get_call_expr_operands): ... these.
9101
9102 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
9103
9104         * vec.h (VEC_address): New function.
9105
9106 2004-07-14  Jason Merrill  <jason@redhat.com>
9107
9108         PR middle-end/15885
9109         * gimplify.c (gimplify_arg): New fn, split out from...
9110         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
9111
9112 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
9113
9114         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
9115         generate code which is generated by pushqi1 now
9116         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
9117
9118 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
9119
9120         * combine.c (simplify_set): match the mode of the constant 0 with
9121         the tested operand to match the compare behaviour and the
9122         simplify_relational_operation() expectation.
9123
9124 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
9125
9126         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
9127         ("bordered"): Same.
9128
9129 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
9130
9131         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
9132         unconditionally.
9133         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
9134
9135 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
9136
9137         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
9138         calls in mips16 code.
9139
9140 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
9141
9142         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
9143         the destination of the li as well as for the neg.
9144
9145 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
9146
9147         g++/15861
9148         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
9149         * cgraph.h: Update declaration.
9150         * c-decl.c (build_cdtor): Update call with default priority.
9151         * coverage.c (create_coverage): Ditto.
9152         * tree-mudflap.c (mf_init_fndecl): New tree.
9153         (mudflap_init): Set it.
9154         (mudflap_register_call): Arrange to call __mf_init before the first
9155         __mf_register call.
9156         (mudflap_finish_file): Mark the mudflap static initializer as extra
9157         high priority, to beat all C++ static constructors.
9158
9159 2004-07-15  Jeff Law  <law@redhat.com>
9160
9161         * loop.c (check_insn_for_givs): Restore check for code labels that was
9162         accidentally deleted by a recent checkin.
9163
9164 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
9165
9166         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
9167         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
9168
9169 2004-07-14  Richard Henderson  <rth@redhat.com>
9170
9171         * print-tree.c (print_node): Fix casts last change.
9172
9173 2004-07-15  Paul Brook  <paul@codesourcery.com>
9174
9175         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
9176         to TARGET_UNWIND_INFO.
9177         * except.c (output_function_exception_table): Ditto.
9178         * except.h: Ditto.
9179         * opts.c (decode_options): Ditto.
9180         * passes.c (rest_of_handle_final): Ditto.
9181         * final.c (final_start_function): Ditto.
9182         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
9183         target hook.
9184         * targhooks.h (default_unwind_emit): Declare.
9185         * targhooks.c (default_unwind_emit): New function.
9186         * target-def.h: Define and use TARGET_UNWIND_EMIT.
9187         * target.h (struct gcc_target): Add unwind_emit.
9188         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
9189         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
9190         Remove IA64_UNWIND_EMIT.
9191         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
9192
9193 2004-07-14  Richard Henderson  <rth@redhat.com>
9194
9195         * print-tree.c (print_node): Handle SSA_NAME.
9196
9197 2004-07-14  James E Wilson  <wilson@specifixinc.com>
9198
9199         PR target/16325
9200         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
9201         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
9202
9203 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
9204
9205         * expr.c (expand_assignment): Reenable bitfield += optimizations.
9206         Use alias set 0 for memory, do proper mode calculations and adjust
9207         address for memories.
9208
9209 2004-07-14  Per Bothner  <per@bothner.com>
9210
9211         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
9212         structure with extra column field.
9213         * tree.c (expand_location):  Also fill in column field.
9214         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
9215         gets confused by the two conditionally-compiled definitions.
9216
9217 2004-07-14  Eric Christopher  <echristo@redhat.com>
9218
9219         * calls.c (expand_call): Fix typo in comment.
9220
9221 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
9222
9223         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
9224         comparision of TFmode.
9225
9226 2004-07-14  Richard Henderson  <rth@redhat.com>
9227
9228         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
9229         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
9230         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
9231         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
9232         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9233         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
9234         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
9235         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9236         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9237
9238 2004-07-14  Mike Stump  <mrs@apple.com>
9239
9240         * config/darwin.h (WINT_TYPE): Define to be int to match
9241         system header files.
9242
9243 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
9244
9245         * config/xtensa/xtensa.c (function_arg_advance): Check for args
9246         that must be passed in the stack.
9247         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
9248         arguments if the size is not a constant.
9249
9250 2004-07-14  Per Bothner  <per@bothner.com>
9251
9252         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
9253         instead of EXPR_LOCUS in a boolean context, which is always true
9254         if --enable-mapped-location.
9255         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
9256
9257 2004-07-14  Richard Henderson  <rth@redhat.com>
9258
9259         * dominance.c (struct dom_info): Add fake_exit_edge.
9260         (init_dom_info): Allocate it.
9261         (free_dom_info): Free it.
9262         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
9263         in two passes.
9264         (calc_idoms): Honor fake_exit_edge.
9265
9266 2004-07-13  Jason Merrill  <jason@redhat.com>
9267
9268         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
9269         (rhs_test_for): New fn.
9270         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
9271         * tree-gimple.h: Declare them.
9272         * gimplify.c (gimplify_modify_expr): Use the new fns.
9273
9274 2004-07-14  Richard Henderson  <rth@redhat.com>
9275
9276         * config/arm/arm-protos.h (arm_va_arg): Remove.
9277         * config/arm/arm.c (arm_va_arg): Remove.
9278         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
9279         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
9280
9281 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9282
9283         * pa.c (fix_range): New function to mark a range(s) of registers as
9284         fixed registers.
9285         (override_options): Call fix_range if the -mfixed-range option string
9286         is not empty.
9287         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
9288         * doc/invoke.texi (-mfixed-range): Document new option.
9289
9290 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
9291
9292         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
9293         for TARGET_64BIT.
9294         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
9295
9296 2004-07-14  Roger Sayle  <roger@eyesopen.com>
9297
9298         * expmed.c (expand_sdiv_pow2): New function to expand signed division
9299         by a positive power of two, split out from expand_divmod.  Provide
9300         an alternate implementation when shifts are expensive.  Lower the
9301         threshold for using a branchless implementation to BRANCH_COST >= 2.
9302         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
9303
9304 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9305
9306         * tree-dfa.c (make_rename_temp): *Really* work just
9307         like create_tmp_var if called while outside SSA form.
9308
9309 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9310
9311         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
9312         for division by zero.
9313         ("umodsi3"): Likewise.
9314
9315 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
9316
9317         * config/mips/mips.c (mips_output_move): When generating mips16 code,
9318         force loads of negative constants to be split.
9319         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
9320         Generalize SImode li/neg splitter to cope with other modes.
9321
9322 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9323
9324         * expmed.c: Remove more references to QUEUED in the comments.
9325         * expr.c: Likewise.
9326
9327 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
9328
9329         Revert:
9330         2004-07-13  Richard Henderson  <rth@redhat.com>
9331         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
9332         correctly.
9333
9334 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9335
9336         * tree-dfa.c (make_rename_temp): Work just like
9337         create_tmp_var if called while outside SSA form.
9338
9339 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9340
9341         * expr.c (enqueue_insn, finish_expr_for_function,
9342         protect_from_queue, queued_subexp_p, mark_queue,
9343         emit_insns_enqueued_after_mark, emit_queue,
9344         expand_increment): Remove.
9345         (store_constructor): Expand increment as an assignment.
9346         (expand_expr_real_1 <case PREINCREMENT_EXPR,
9347         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
9348         case POSTDECREMENT_EXPR>): Abort.
9349         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
9350         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
9351         protect_from_queue, emit_queue, queued_subexp_p): Remove.
9352         * function.h (pending_chain, x_pending_chain): Remove.
9353         * rtl.def (QUEUED): Remove.
9354
9355         * emit-rtl.c (copy_insn_1, copy_most_rtx,
9356         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
9357         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
9358         encode_units_mask): Likewise.
9359         * local-alloc.c (equiv_init_varies_p): Likewise.
9360         * rtl.c (copy_rtx): Likewise.
9361         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
9362         * simplify-rtx.c (simplify_gen_subreg): Likewise.
9363         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
9364
9365         * builtins.c (expand_builtin, expand_builtin_apply,
9366         expand_builtin_mathfn, expand_builtin_mathfn_2,
9367         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
9368         Remove calls to emit_queue and protect_from_queue.
9369         * calls.c (expand_call, precompute_arguments,
9370         precompute_register_parameters, rtx_for_function_call,
9371         store_one_arg): Likewise.
9372         * dojump.c (do_compare_and_jump, do_jump): Likewise.
9373         * explow.c (memory_address): Likewise.
9374         * expmed.c (clear_by_pieces_1, clear_storage,
9375         clear_storage_via_libcall, emit_group_load,
9376         emit_group_store, emit_store_flag,
9377         expand_expr_real_1, store_by_pieces,
9378         store_constructor, store_expr, try_casesi,
9379         try_tablejump): Likewise.
9380         * function.c (expand_pending_sizes): Likewise.
9381         * optabs.c (emit_cmp_and_jump_insns,
9382         emit_conditional_add, emit_conditional_move,
9383         expand_fix, expand_float, prepare_cmp_insn): Likewise.
9384         * stmt.c (emit_case_bit_tests,
9385         expand_asm_expr, expand_computed_goto,
9386         expand_decl_init, expand_end_case_type,
9387         expand_end_stmt_expr, expand_expr_stmt_value,
9388         expand_return, expand_start_case,
9389         optimize_tail_recursion): Likewise.
9390         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9391         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
9392
9393 2004-07-14  Ben Elliston  <bje@au.ibm.com>
9394
9395         * vec.h: Comment fix.
9396
9397 2004-07-13  Richard Henderson  <rth@redhat.com>
9398
9399         * target.h (struct gcc_target): Add calls.pass_by_reference.
9400         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
9401         * function.c (pass_by_reference): Use the hook.
9402         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
9403         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
9404         (hook_pass_by_reference_must_pass_in_stack): New.
9405         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
9406         (alpha_pass_by_reference): New.
9407         (TARGET_PASS_BY_REFERENCE): New.
9408         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9409         * config/arc/arc.c (arc_pass_by_reference): New.
9410         (TARGET_PASS_BY_REFERENCE): New.
9411         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9412         (FUNCTION_ARG_CALLEE_COPIES): True.
9413         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
9414         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
9415         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
9416         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9417         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9418         * config/cris/cris.c (cris_pass_by_reference): New.
9419         (TARGET_PASS_BY_REFERENCE): New.
9420         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
9421         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
9422         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9423         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
9424         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9425         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
9426         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
9427         (frv_function_arg_pass_by_reference): Remove.
9428         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9429         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
9430         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
9431         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
9432         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9433         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
9434         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
9435         (ia64_pass_by_reference): Rename from
9436         ia64_function_arg_pass_by_reference.
9437         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9438         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9439         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
9440         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
9441         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
9442         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9443         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9444         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
9445         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
9446         (m32r_pass_by_reference): Adjust prototype.  Make static.
9447         Handle mode sizes correctly.
9448         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9449         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
9450         (m68hc11_function_arg_pass_by_reference): Remove.
9451         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9452         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9453         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
9454         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9455         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
9456         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
9457         (mips_va_arg): Use pass_by_reference.
9458         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
9459         Handle mode sizes correctly.
9460         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9461         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9462         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
9463         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
9464         (mmix_pass_by_reference): Rename from
9465         mmix_function_arg_pass_by_reference.
9466         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9467         (FUNCTION_ARG_CALLEE_COPIES): True.
9468         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
9469         (mn10300_pass_by_reference): New.
9470         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9471         (FUNCTION_ARG_CALLEE_COPIES): True.
9472         * config/pa/pa.c (pa_pass_by_reference): New.
9473         (TARGET_PASS_BY_REFERENCE): New.
9474         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9475         (FUNCTION_ARG_CALLEE_COPIES): True.
9476         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
9477         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
9478         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
9479         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9480         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
9481         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
9482         (s390_pass_by_reference): Rename from
9483         s390_function_arg_pass_by_reference.
9484         (s390_function_arg_advance): Don't query pass-by-ref.
9485         (s390_function_arg): Likewise.
9486         (s390_gimplify_va_arg): Use pass_by_reference.
9487         (s390_call_saved_register_used): Likewise.
9488         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9489         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
9490         (shcompact_byref, sh_pass_by_reference): New.
9491         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9492         (SHCOMPACT_BYREF): Remove.
9493         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
9494         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
9495         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
9496         (sparc_gimplify_va_arg): Use pass_by_reference.
9497         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9498         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9499         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
9500         (v850_pass_by_reference): New.
9501         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9502         (FUNCTION_ARG_CALLEE_COPIES): True.
9503         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
9504         FUNCTION_ARG_PASS_BY_REFERENCE docs.
9505
9506 2004-07-14  Richard Henderson  <rth@redhat.com>
9507             Richard Sandiford  <rsandifo@redhat.com>
9508
9509         * config/mips/mips-protos.h (mips_va_arg): Delete.
9510         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
9511         * config/mips/mips.c: Include tree-gimple.h.
9512         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
9513         (mips_arg_info): Remove special handling of must_pass_in_stck args.
9514         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
9515         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
9516
9517 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
9518
9519         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
9520         arguments for COND_EXPR in big-endian adjustment code.
9521
9522 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9523
9524         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
9525         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
9526         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
9527         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
9528
9529 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
9530
9531         PR tree-optimization/16443
9532         * tree-ssa-alias.c: Add more description for
9533         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
9534         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
9535         clobbering of call-clobbered and addressable variables.  If
9536         there are any before aliases have been computed, add them.
9537
9538 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
9539
9540         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
9541         verification.
9542
9543 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
9544
9545         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
9546         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
9547         to the same type.
9548
9549 2004-07-13  Per Bothner  <per@bothner.com>
9550
9551         * collect2.c (main):  Handle --no-demangle and --demangle flags.
9552
9553 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
9554
9555         * Makefile.in (OBJS-common): Add tree-data-ref.o.
9556         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
9557         (tree-data-ref.o): New rule.
9558         * lambda.h: New file.
9559         * tree-data-ref.c: New file.
9560         * tree-data-ref.h: New file.
9561         * tree.c (int_cst_value, tree_fold_gcd): New functions.
9562         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
9563
9564 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9565
9566         PR target/13926
9567         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
9568         * config/sparc/sparc.c (output_ubranch): New function.
9569         * config/sparc/sparc.md (jump pattern): Use it.
9570
9571 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9572
9573         PR target/16494
9574         * config/sparc/sparc.c (output_cbranch): Properly guard
9575         the code handling far branches with TARGET_V9.
9576         * config/sparc/sparc.md (length attribute): Document the
9577         side-effect of having a length greater or equal to 3.
9578
9579 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9580             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
9581
9582         PR target/15186
9583         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
9584         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
9585
9586 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9587             Martin Sebor  <sebor@roguewave.com>
9588
9589         PR target/12602
9590         * doc/invoke.texi (SPARC options): Document -threads
9591         and -pthreads on Solaris.
9592
9593 2004-07-13  Richard Henderson  <rth@redhat.com>
9594
9595         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
9596         by reference.
9597         (ind_gimplify_va_arg_expr): Remove.
9598         * tree.h (ind_gimplify_va_arg_expr): Remove.
9599         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
9600         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
9601         argsp to be null.
9602
9603         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
9604         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
9605         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
9606         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
9607         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
9608
9609 2004-07-13  Richard Henderson  <rth@redhat.com>
9610
9611         * function.c (pass_by_reference): New.
9612         (assign_parm_find_data_types): Use it.
9613         * calls.c (initialize_argument_information): Likewise.
9614         (emit_library_call_value_1): Likewise.
9615         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9616         * function.h (pass_by_reference): Declare.
9617
9618 2004-07-13  Richard Henderson  <rth@redhat.com>
9619
9620         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
9621         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
9622         * expr.h (MUST_PASS_IN_STACK): Remove.
9623         * system.h (MUST_PASS_IN_STACK): Poison.
9624         * tree.h (must_pass_in_stack_var_size): Declare.
9625         (must_pass_in_stack_var_size_or_pad): Declare.
9626         * calls.c (must_pass_in_stack_var_size): New.
9627         (must_pass_in_stack_var_size_or_pad): Rename from
9628         default_must_pass_in_stack.
9629         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
9630         (TARGET_MUST_PASS_IN_STACK): New.
9631         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
9632         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
9633         (TARGET_MUST_PASS_IN_STACK): New.
9634         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
9635         * config/frv/frv.c (frv_must_pass_in_stack): New.
9636         (TARGET_MUST_PASS_IN_STACK): New.
9637         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
9638         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
9639         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
9640         (ix86_must_pass_in_stack): Make static.
9641         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
9642         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
9643         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
9644         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
9645         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
9646         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
9647         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
9648         (mcore_must_pass_on_stack): Remove.
9649         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
9650         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
9651         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
9652         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
9653         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
9654         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
9655         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
9656         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
9657         (TARGET_MUST_PASS_IN_STACK): New.
9658         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
9659         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
9660         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
9661         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
9662         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
9663         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
9664         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
9665         MUST_PASS_IN_STACK.
9666
9667         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
9668         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
9669         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
9670         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
9671         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
9672         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
9673         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
9674         config/xtensa/xtensa.c: Use target hook.
9675
9676 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
9677
9678         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
9679         * configure: Rebuilt.
9680
9681 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9682
9683         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
9684         * config/mips/mips.h (mips_reg_names): Don't declare.
9685         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
9686         (TARGET_NAME_REGS): Delete.
9687         (TARGET_SWITCHES): Remove -mrnames.
9688         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
9689         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
9690         in REGISTER_NAMES.
9691         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
9692         (override_options): Remove handling of TARGET_NAME_REGS.
9693
9694 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9695
9696         * config/mips/mips.h (TARGET_*): Boolify.
9697
9698 2004-07-12  Nick Clifton  <nickc@redhat.com>
9699
9700         * config.gcc: Add sh-*-symbianelf target.
9701         * config/sh/sh.c: Add new target macros:
9702         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
9703         TARGET_CXX_IMPORT_EXPORT_CLASS.
9704         (sh_file_start): Create a definition of the .directive section.
9705         (sh_attribute): Add dllimport and dllexport attributes.
9706         * config/sh/symbian-pre.h: New file.
9707         * config/sh/symbian-post.h: New file.
9708         * config/sh/symbian.c: New file. Contains Symbian specific
9709         functions.
9710         * config/sh/sh-protos.h: Add prototypes for new functions
9711         provided by symbian.c.
9712         * config/sh/t-symbian: New file.
9713         * doc/extend.texi: Document support for dllimport and dllexport
9714         attributes by the sh-symbianelf target.
9715
9716 2004-07-12  James E Wilson  <wilson@specifixinc.com>
9717
9718         * Makefile.in (AR): Use @AR@ not ar.
9719         (NM): New.
9720         (AR_FOR_TARGET): Use $(AR) not ar for native.
9721         (NM_FOR_TARGET): Use $(NM) not nm for native.
9722         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
9723         * configure: Regenerate.
9724
9725 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
9726
9727         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
9728         special case.
9729         (ashldi3_sp64): Likewise.
9730
9731 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9732
9733         PR target/16477
9734         * pa.c (function_arg): Update comment.
9735         * pa.h (BLOCK_REG_PADDING): Define.
9736
9737 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9738
9739         PR tree-optimization/16461
9740         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
9741         arguments of phi nodes.
9742
9743 2004-07-12  Devang Patel  <dpatel@apple.com>
9744
9745         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
9746
9747 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
9748
9749         * function.c (expand_function_start): Ensure r_save is in Pmode.
9750         * calls.c (prepare_call_address): Ensure static_chain_value is
9751         in Pmode.
9752         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
9753         r_save_area are in Pmode.
9754         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
9755         fnaddr, and static_chain are in Pmode.
9756
9757 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
9758
9759         PR target/16445
9760         * config/ia64/ia64.c (bundling): Don't count ignored insns.
9761
9762 2004-07-12  Richard Henderson  <rth@redhat.com>
9763
9764         * target.h (struct gcc_target): Move gimplify_va_arg_expr
9765         next to build_builtin_va_list.
9766         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
9767         * builtins.c (gimplify_va_arg_expr): Likewise.
9768         * gimplify.c (copy_if_shared_r): Likewise.
9769
9770 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
9771
9772         * passes.c (rest_of_decl_compilation): Don't defer call of
9773         assemble_variable if its DECL_RTL is already set.
9774
9775 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
9776
9777         * cfgloop.h (struct loop): Add nb_iterations field.
9778         (current_loops): Declare.
9779         * tree-chrec.c (chrec_not_analyzed_yet,
9780         chrec_dont_know, chrec_known, count_ev_in_wider_type,
9781         chrec_contains_symbols_defined_in_loop): Remove the temporary
9782         hooks.
9783         * tree-flow-inline.h (loop_containing_stmt): New function.
9784         * tree-scalar-evolution.c: Add implementation.
9785         * tree-scalar-evolution.h: Add declarations.
9786
9787 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
9788
9789         PR rtl-optimization/15921
9790         * Makefile.in (global.o): Add recog.h.
9791
9792         * global.c (recog.h): Add the include-clause.
9793         (bb_info): New member earlyclobber.
9794         (allocate_bb_info, free_bb_info): Initialize/finish the new
9795         member.
9796         (earlyclobber_regclass, earlyclobber_regclass_length): The new
9797         global variables.
9798         (check_earlyclobber, regclass_intersect,
9799         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
9800         New functions.
9801         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
9802         (make_accurate_live_analysis): Modify pavin.
9803
9804 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
9805
9806         * tree-cfg.c (find_taken_edge): Statically compute the truth
9807         value of a predicate comparing an SSA_NAME to itself.
9808
9809 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9810
9811         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
9812         rs6000 doesn't have shift-and-add or shift-and-sub instructions
9813         by returning the cost of a multiplication plus an addition.
9814
9815 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
9816
9817         PR tree-optimization/14107
9818         * gimplify.c (gimplify_return_expr): Accept a
9819         RETURN_EXPR with an error argument.
9820         * tree-optimize.c (init_tree_optimization_passes):
9821         Run pass_warn_function_return at -O0.
9822
9823 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9824
9825         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
9826         index entry.
9827
9828 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
9829
9830         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
9831         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9832         * config/mips/3000.md: Add copyright notice.  Remove automota and
9833         function units; use generic ones instead.  Only define reservations
9834         for things that are different from generic.md.  Extend each clause
9835         to include r3900.
9836         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
9837         * config/mips/mips.md: Include them. Remove define_function_units.
9838         (alu, imuldiv): New automata and units.
9839
9840 2004-07-12  Ben Elliston  <bje@au.ibm.com>
9841
9842         * doc/invoke.texi (Optimize Options): Document -frename-registers
9843         not being enabled by default at -O3.
9844
9845 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9846
9847         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
9848         floating point additions, to keep real immediate constant positive.
9849         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
9850         into X + C, and leave positive real constants as X - C.
9851
9852 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9853
9854         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
9855
9856 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9857
9858         PR tree-optimization/15654
9859         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
9860
9861 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9862
9863         * builtins.c (fold_builtin_fputs): Don't bother converting the
9864         return type to integer_type_node, as we've already checked that
9865         the result will be ignored.
9866
9867         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
9868         that signed addition, subtraction, multiplication, division,
9869         remainder, negation and absolute value may potentially trap.
9870
9871         * fold-const.c (fold_ignored_result): New function to strip
9872         non-side-effecting tree nodes from an expression whose result
9873         is ignored.
9874         (fold_convert): Call fold_ignored_result when casting a value
9875         to VOID_TYPE.
9876         (omit_one_operand):  Call fold_ignored_result on the "omitted"
9877         operand when building a COMPOUND_EXPR.
9878         (pedantic_omit_one_operand): Likewise.
9879         * tree.h (fold_ignored_result): Prototype here.
9880         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
9881         when we're going to ignore the result.
9882
9883 2004-07-11  Richard Henderson  <rth@redhat.com>
9884
9885         PR tree-opt/16383
9886         * tree-ssa-ccp.c (fold_stmt_r): Split out...
9887         * tree.c (fields_compatible_p, find_compatible_field): ... new.
9888         * tree.h (fields_compatible_p, find_compatible_field): Declare.
9889         * tree-sra.c (sra_hash_tree): Hash fields by offset.
9890         (sra_elt_eq): Use fields_compatible_p.
9891         (generate_one_element_ref): Use find_compatible_field.
9892
9893 2004-07-11  Richard Henderson  <rth@redhat.com>
9894
9895         PR tree-opt/16422
9896         * tree-sra.c (generate_one_element_init): New.
9897         (generate_element_init): Use it.
9898         (scalarize_init): Push/pop gimplify context around it.
9899         (find_new_referenced_vars_1, find_new_referenced_vars): New.
9900         * gimplify.c (gimplify_expr): Allow SSA_NAME.
9901
9902 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9903
9904         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
9905         combine.c's combine_insn_cost.
9906         * rtl.h (insn_rtx_cost): Prototype here.
9907         * combine.c (combine_insn_cost): Delete function.
9908         (combine_validate_cost): Update callers of combine_insn_cost to
9909         call insn_rtx_cost instead.
9910         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
9911         requesting the rtx_cost of call and/or jump instructions.
9912
9913         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
9914         rtx_cost directly.  Don't request/use the cost of call or jump
9915         instructions.  Return -1 if the cost of any instruction can't be
9916         determined (or the BB contains a function call).
9917         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
9918         -1 (i.e. can't determine the cost of any instruction or the basic
9919         block contains a subroutine call).
9920         (find_if_case_2): Likewise.
9921
9922 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9923
9924         * rs6000.c (struct processor_costs): Change semantics of fields to
9925         include the COST_N_INSNS scaling, and update all initializers.
9926         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
9927         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
9928         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
9929         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
9930
9931 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9932
9933         * LANGUAGES: Remove obsolete information.
9934
9935 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9936
9937         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
9938         SIGBUS signal frames, the PSW address points *to* the faulting
9939         instruction, not after it.
9940
9941 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9942
9943         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
9944         added to TLS symbol addresses.
9945
9946 2004-07-11  Richard Henderson  <rth@redhat.com>
9947
9948         * expmed.c (init_expmed): Use stack-local structures for
9949         temporary rtl.  Don't recognize shifts.
9950
9951 2004-07-11  Richard Henderson  <rth@redhat.com>
9952
9953         * expr.c (store_expr): Don't fiddle subreg promotion for types
9954         with precision smaller than the mode.
9955
9956 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9957
9958         * tree.h (all_types_permanent): Remove.
9959
9960 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9961
9962         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
9963         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
9964         * langhooks.c (lhd_clear_binding_stack): Remove.
9965         * langhooks-def.h (lhd_clear_binding_stack,
9966         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9967         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
9968         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
9969         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9970         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
9971         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9972         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
9973         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9974         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
9975         * tree.h (poplevel): Don't declare.
9976         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
9977         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9978         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
9979         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
9980         Remove.
9981
9982 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9983
9984         PR tree-optimization/16437
9985         * c-common.c (shorten_compare): Don't mark result of conversion to
9986         narrower signed type as overflowing.
9987         * fold-const.c (decode_field_reference): Determine whether
9988         signedness comes from outer type using precision rather than size.
9989
9990 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9991
9992         * configure.ac:  Alphabetize --enable-checking list, add
9993         missing valgrind entry.
9994         * configure:  Regenerate.
9995
9996 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9997
9998         * doc/install.texi (Testing):  Fix syntax in "make check" example.
9999
10000 2004-07-10  James E Wilson  <wilson@specifixinc.com>
10001
10002         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
10003
10004 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10005
10006         PR rtl-optimization/16001
10007         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
10008         niter_expr.
10009
10010 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
10011
10012         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
10013
10014 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
10015             James Morrison  <phython@gcc.gnu.org>
10016
10017         * doc/contrib.texi (Contributors): Add gfortran contributors and
10018         fix a couple of typos.
10019
10020 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10021
10022         PR rtl-optimization/15387
10023         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
10024         to incoming args space correctly.
10025
10026 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10027
10028         * pa.c (output_indirect_call): Only use %r2 as the link register in
10029         indirect calls with the long PA 2.0 pc-relative branch.
10030
10031 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
10032
10033         * config/i386/i386.c (override_options): Pick a 64-bit CPU
10034         for the default tuning if TARGET_64BIT.
10035
10036 2004-07-10  Richard Henderson  <rth@redhat.com>
10037
10038         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
10039         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
10040
10041 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
10042
10043         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
10044         * expmed.c (store_bit_field, extract_bit_field): Remove last
10045         argument.
10046         * builtins.c (expand_builtin_signbit): Adjust callers.
10047         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
10048         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
10049         * ifcvt.c (noce_emit_move_insn): Likewise.
10050         * stmt.c (expand_return): Likewise.
10051         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
10052         store_field, expand_expr_real_1): Likewise.
10053
10054 2004-07-10  Richard Henderson  <rth@redhat.com>
10055
10056         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
10057
10058 2004-07-09  Mike Stump  <mrs@apple.com>
10059
10060         * config/darwin.c (no_dead_strip): Add.
10061         (HAVE_DEAD_STRIP): Add.
10062         (darwin_emit_unwind_label): Ensure that we don't dead code strip
10063         the .eh label.
10064
10065 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10066
10067         * tree-ssa-loop-im.c: New file.
10068         * Makefile.in (tree-ssa-loop-im.o): Add.
10069         * cfgloop.c (superloop_at_depth): New function.
10070         * cfgloop.h (superloop_at_depth): Declare.
10071         * common.opt (ftree-lim): New flag.
10072         * expr.c (array_ref_up_bound): New function.
10073         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
10074         * timevar.def (TV_LIM): New timevar.
10075         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
10076         computing immediate uses of a phi node.
10077         * tree-flow.h (struct tree_ann_common_d): Add aux field.
10078         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
10079         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
10080         * tree-pass.h (pass_lim): Declare.
10081         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
10082         functions.
10083         (pass_lim): New pass structure.
10084         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
10085         * tree.c (in_array_bounds_p): New function.
10086         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
10087         (in_array_bounds_p, array_ref_up_bound): Declare.
10088         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
10089         * doc/passes.texi (tree-ssa-loop-im.c): Document.
10090
10091 2004-07-09  Richard Henderson  <rth@redhat.com>
10092
10093         * builtins.c (expand_builtin_stpcpy): Don't modify len.
10094
10095         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
10096         with prejudice.
10097
10098 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
10099
10100         * flags.h: Delete redundant prototypes that are being generated
10101         in options.h from common.opt.
10102         * common.opt: Add in the expository comments formerly in flags.h.
10103
10104 2004-07-09  Jan Beulich  <jbeulich@novell.com>
10105
10106         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
10107         available for use only when TARGET_MMX/_SSE is set, and check for
10108         variable argument function if any register count is non-zero.
10109         (function_arg): Correctly suppress repeated warnings for passing SSE
10110         vectors are arguments without SSE enabled.
10111         (ix86_function_arg_boundary): Without SSE enabled, the use of what
10112         would be SSE register modes does no longer influence the alignment.
10113
10114 2004-07-09  Richard Henderson  <rth@redhat.com>
10115
10116         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
10117         Always align upward to arg boundary.  Use size_in_bytes/round_up.
10118         Maintain type-correctness of constants.
10119         * stor-layout.c (round_up, round_down): Special-case powers of 2.
10120
10121 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
10122
10123         * config/sparc/sparc.c (*_costs): Scale instruction costs
10124         by COSTS_N_INSNS.
10125         (sparc_rtx_costs): Adjust as appropriate.
10126
10127 2004-07-09  Jan Beulich  <jbeulich@novell.com>
10128
10129         * config/i386/mm3dnow.h: New.
10130         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
10131
10132 2004-07-09  Richard Henderson  <rth@redhat.com>
10133
10134         * simplify-rtx.c (simplify_const_relational_operation): Only
10135         look at bounds of scalar integers.
10136
10137 2004-07-09  Jan Beulich  <jbeulich@novell.com>
10138
10139         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
10140
10141 2004-07-09  Andrew Pinski  <apinski@apple.com>
10142
10143         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
10144         always referenced.
10145         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
10146         UOBJC_METACLASS_decl.
10147
10148 2004-07-09  James E Wilson  <wilson@specifixinc.com>
10149
10150         PR target/16364
10151         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
10152         do return a parallel if hfa_mode == XFmode and mode == TImode.
10153
10154 2004-07-09  Jan Beulich  <jbeulich@novell.com>
10155
10156         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
10157         permissible for unary plus.
10158
10159 2004-07-09  Jan Beulich  <jbeulich@novell.com>
10160
10161         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
10162         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
10163         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
10164         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
10165         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
10166         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
10167         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
10168         (BUILTIN_xxxIMAX): New.
10169         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
10170         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
10171         BUILT_IN_PARITYIMAX.
10172
10173 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
10174
10175         * config/sparc/sparc.h (processor_costs): Define.
10176         (sparc_costs): Declare.
10177         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
10178         hypersparc_costs, sparclet_costs, ultrasparc_costs,
10179         ultrasparc3_costs): New.
10180         (sparc_override_options): Set sparc_costs as appropriate.
10181         (sparc_rtx_costs): Use sparc_costs instead of messy
10182         conditionals.
10183
10184 2004-07-09  Steven Bosscher  <stevenb@suse.de>
10185
10186         * doc/md.texi (Processor pipeline description): Mention that
10187         the old pipeline description is deprecated.
10188
10189         * config/rs6000/7450.md (automaton ppc7450): Split up, move
10190         mciu_7450 function unit to...
10191         (automaton ppc7450mciu): ...new automaton.
10192
10193         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
10194         (schedule_block): Don't consider inserting bubbles.
10195         (sched_init): Don't initialize DFA bubbles.
10196         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
10197         TARGET_SCHED_DFA_BUBBLE): Remove.
10198         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
10199         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
10200         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
10201
10202         * stmt.c (conditional_context): Remove prototype.
10203         * tree.h (conditional_context): Remove.
10204         * tree-cfg.c (pre_insert_on_edge): Remove.
10205
10206         * c-common.h (c_expand_asm_operands): Remove prototype.
10207         * c-typeck.c (c_expand_asm_operands): Remove.
10208
10209 2004-07-09  Jan Beulich  <jbeulich@novell.com>
10210
10211         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
10212         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
10213         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
10214         and V8QI are class SSE. All sufficiently small remaining vector modes
10215         must be passed in one or two integer registers.
10216         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
10217         returned in memory.
10218         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
10219         __builtin_ia32_pmuludq128 have non-uniform argument and return types
10220         and must thus be handled explicitly.
10221         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
10222         MMX and XMM regs.
10223         (movv8qi_internal, movv4hi_internal, movv2si_internal,
10224         movv2sf_internal): Permit moving between MMX and XMM registers (since
10225         MMX areguments and return values are passed in XMM registers).
10226         (sse2_umulsidi3): Correct type and mode.
10227
10228 2004-07-09  Richard Henderson  <rth@redhat.com>
10229
10230         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
10231
10232 2004-07-09  Eric Christopher  <echristo@redhat.com>
10233
10234         * config/rs6000/40x.md: Split into two automatons.
10235
10236 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
10237             Andrew Pinski  <apinski@apple.com>
10238
10239         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
10240         on when we have more than one input file.
10241         (c_common_parse_file): Restore loop over all input files.
10242         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
10243
10244         * c-decl.c (set_type_context): New function.
10245         (pop_scope): Use it to set context of types.  When we
10246         encounter a TYPE_DECL, set the context of the attached type too.
10247         (pop_file_scope): Don't call cpp_undef_all here.
10248         (diagnose_mismatched_decls): Do not complain about a second
10249         definition of an 'extern inline' function if it's not in the
10250         same translation unit.  Do not complain about inline
10251         declaration after use if the use was in a different
10252         translation unit.
10253         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
10254         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
10255         the external scope.
10256         (pushdecl_top_level): Likewise.
10257         (grokdeclarator): Clarify what is going on with setting
10258         DECL_EXTERNAL on function types, a little.
10259         (c_write_global_declarations): Don't do anything if
10260         -fsyntax-only or errors have been encountered.
10261
10262 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
10263
10264         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
10265
10266 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10267
10268         PR target/16459
10269         * pa.c (output_indirect_call): Use %r2 as the link register when
10270         calling $$dyncall with a pc-relative branch.
10271
10272 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
10273
10274         * doc/install.texi (Binaries): Mention OpenPKG.
10275
10276 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
10277
10278         Fix PR tree-optimization/15555
10279         * tree-dfa.c (dump_variable): If the variable is a pointer
10280         SSA_NAME, also dump its points-to information.
10281         * tree-flow.h (struct ptr_info_def): Add field
10282         is_dereferenced.
10283         (dump_points_to_info_for): Declare.
10284         (debug_points_to_info_for): Declare.
10285         * tree-optimize.c (init_tree_optimization_passes): Add a
10286         second alias analysis pass after DOM2.
10287         Move pass_del_pta to a later spot.
10288         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
10289         create a name tags when we find a dereferenced pointer.  Just
10290         mark the pointer dereferenced.
10291         (collect_points_to_info_for): Move code to clear points-to
10292         information to create_name_tags.
10293         (create_name_tags): New function.
10294         (compute_flow_sensitive_aliasing): Call it.
10295         (setup_pointers_and_addressables): Mark type tags for renaming
10296         here instead of ...
10297         (create_memory_tag): ... here.
10298         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
10299         (dump_points_to_info_for): Declare extern.
10300         (debug_points_to_info_for): New function.
10301
10302 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
10303
10304         * config/arc/arc.md: Switch to DFA-based scheduler description.
10305         * config/arc/arc.c: Switch to DFA-based scheduler description.
10306
10307 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10308
10309         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
10310         pointer.
10311
10312 2004-07-09  Richard Henderson  <rth@redhat.com>
10313
10314         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
10315         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10316         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
10317         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
10318
10319         * config/v850/v850-protos.h (v850_va_arg): Remove.
10320         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10321         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
10322         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
10323         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
10324         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
10325
10326 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10327
10328         PR target/12133
10329         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
10330         and DImode to use +/-4k offset.
10331
10332 2004-07-09  Richard Henderson  <rth@redhat.com>
10333
10334         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
10335         Remove.
10336         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10337         (xstormy16_gimplify_va_arg_expr): Rewrite from
10338         xstormy16_expand_builtin_va_arg.
10339         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
10340
10341         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
10342         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
10343
10344         * config/sh/sh-protos.h (sh_va_arg): Remove.
10345         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10346         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
10347         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
10348
10349         * config/pa/pa-protos.h (hppa_va_arg): Remove.
10350         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10351         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
10352         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
10353
10354         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
10355         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10356         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
10357         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
10358
10359 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10360
10361         * config/sparc/sparc.md (return): Rewrite length formula.
10362         * config/sparc/sparc.c (output_return): Pass 1 as 5th
10363         argument to final_scan_insn when in a delay slot.
10364         (output_sibcall): Likewise.
10365
10366 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10367
10368         * arm.c (arm_cpp_interwork): New variable.
10369         (arm_override_options): Set it if TARGET_INTERWORK was on the command
10370         line.
10371         * arm.h (arm_cpp_interwork): Declare it.
10372         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
10373         __THUMB_INTERWORK__ in the preprocessor.
10374
10375 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
10376
10377         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
10378
10379 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10380
10381         PR target/16416
10382         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
10383         Override default settings to account for -m32 and -m64.
10384
10385 2004-07-08  Randolph Chung  <tausq@debian.org>
10386
10387         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
10388
10389 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
10390
10391         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
10392         before comparing it as such.
10393
10394 2004-07-08  Richard Henderson  <rth@redhat.com>
10395
10396         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
10397         temporary.  Use bit arithmetic to align.
10398
10399 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
10400
10401         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
10402         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
10403         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
10404         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
10405         add_labels_and_missing_jumps, find_jump_block,
10406         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
10407         Likewise.
10408         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
10409         link_btr_uses, move_btr_def): Likewise.
10410         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
10411         expand_builtin_expect_jump): Likewise.
10412         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
10413         * calls.c (expand_call, emit_library_call_value_1): Likewise.
10414         * cfganal.c (forwarder_block_p): Likewise.
10415         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
10416         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
10417         find_bb_boundaries): Likewise.
10418         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10419         merge_blocks_move_predecessor_nojumps,
10420         merge_blocks_move_successor_nojumps, insns_match_p,
10421         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
10422         try_optimize_cfg): Likewise.
10423         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
10424         * cfglayout.c (skip_insns_after_block, label_for_bb,
10425         record_effective_endpoints, insn_locators_initialize,
10426         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
10427         * cfgmainloop.c (create_loop_notes): Likewise.
10428         * cfgrtl.c (delete_insn, delete_insn_chain,
10429         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
10430         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
10431         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
10432         redirect_branch_edge, force_nonfallthru_and_redirect,
10433         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
10434         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
10435         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
10436         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
10437         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
10438         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
10439         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
10440         * combine.c (combine_instructions, can_combine_p, try_combine,
10441         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
10442         distribute_notes, distribute_links, insn_cuid): Likewise.
10443         * cse.c (fold_rtx, cse_insn, cse_around_loop,
10444         invalidate_skipped_block, cse_set_around_loop,
10445         cse_end_of_basic_block, cse_main, cse_basic_block,
10446         cse_condition_code_reg): Likewise.
10447         * cselib.c (cselib_process_insn): Likewise.
10448         * ddg.c (create_ddg): Likewise.
10449         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
10450         Likewise.
10451         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
10452         gen_label_die, dwarf2out_var_location): Likewise.
10453         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
10454         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
10455         last_call_insn, active_insn_p, next_label, prev_label,
10456         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
10457         add_insn_before, remove_insn, add_function_usage_to,
10458         reorder_insns, find_line_note, remove_unnecessary_notes,
10459         emit_insn_after_1, classify_insn): Likewise.
10460         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
10461         connect_post_landing_pads, sjlj_mark_call_sites,
10462         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
10463         can_throw_internal, can_throw_external, set_nothrow_function_flags,
10464         convert_to_eh_region_ranges): Likewise.
10465         * explow.c (optimize_save_area_alloca): Likewise.
10466         * expr.c (expand_expr_real): Likewise.
10467         * final.c (insn_current_reference_address, compute_alignments,
10468         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
10469         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
10470         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
10471         propagate_block_delete_insn, propagate_one_insn,
10472         init_propagate_block_info, propagate_block, libcall_dead_p,
10473         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
10474         Likewise.
10475         * function.c (instantiate_virtual_regs, reorder_blocks_1,
10476         expand_function_start, expand_function_end, contains,
10477         thread_prologue_and_epilogue_insns,
10478         reposition_prologue_and_epilogue_notes): Likewise.
10479         * gcse.c (constprop_register, bypass_conditional_jumps,
10480         insert_insn_end_bb, gcse_after_reload): Likewise.
10481         * genemit.c (gen_expand, gen_split): Likewise.
10482         * genpeep.c (gen_peephole, main): Likewise.
10483         * global.c (build_insn_chain): Likewise.
10484         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
10485         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
10486         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
10487         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
10488         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
10489         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
10490         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
10491         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
10492         dead_or_predicable): Likewise.
10493         * integrate.c (try_constants): Likewise.
10494         * jump.c (rebuild_jump_labels, cleanup_barriers,
10495         purge_line_number_notes, init_label_info, mark_all_labels,
10496         squeeze_notes, get_label_before, get_label_after,
10497         reversed_comparison_code_parts, simplejump_p, pc_set,
10498         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
10499         delete_barrier, delete_prior_computation, delete_computation,
10500         delete_related_insns, delete_for_peephole, redirect_jump):
10501         Likewise.
10502         * lcm.c (optimize_mode_switching): Likewise.
10503         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
10504         Likewise.
10505         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
10506         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
10507         * loop-iv.c (simplify_using_assignment): Likewise.
10508         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
10509         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
10510         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
10511         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
10512         check_insn_for_givs, check_final_value, update_giv_derive,
10513         basic_induction_var, product_cheap_p, check_dbra_loop,
10514         loop_insn_first_p, last_use_this_basic_block,
10515         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
10516         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
10517         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
10518         sms_schedule_by_order): Likewise.
10519         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
10520         * postreload.c (reload_cse_simplify_operands, reload_combine,
10521         reload_cse_move2add): Likewise.
10522         * predict.c (can_predict_insn_p, estimate_probability,
10523         expected_value_to_br_prob, process_note_predictions): Likewise.
10524         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
10525         * profile.c (branch_prob): Likewise.
10526         * ra-build.c (live_out_1, livethrough_conflicts_bb,
10527         detect_webs_set_in_cond_jump): Likewise.
10528         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
10529         ra_print_rtl_with_bb): Likewise.
10530         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
10531         * recog.c (next_insn_tests_no_inequality, find_single_use,
10532         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
10533         * reg-stack.c (next_flags_user, record_label_references,
10534         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
10535         compensate_edge, convert_regs_1): Likewise.
10536         * regclass.c (scan_one_insn): Likewise.
10537         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10538         regmove_optimize, fixup_match_1, single_set_for_csa,
10539         combine_stack_adjustments_for_block): Likewise.
10540         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
10541         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
10542         find_equiv_reg): Likewise.
10543         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
10544         reload_as_needed, emit_input_reload_insns, do_output_reload,
10545         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
10546         Likewise.
10547         * reorg.c (find_end_label, emit_delay_sequence,
10548         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
10549         get_jump_flags, rare_destination, mostly_true_jump,
10550         try_merge_delay_insns, redundant_insn, own_thread_p,
10551         fill_simple_delay_slots, fill_slots_from_thread,
10552         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
10553         dbr_schedule): Likewise.
10554         * resource.c (find_basic_block, next_insn_no_annul,
10555         find_dead_or_set_registers, mark_target_live_regs): Likewise.
10556         * rtl.h (RTX_PREV): Likewise.
10557         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
10558         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
10559         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
10560         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
10561         tablejump_p, computed_jump_p, insns_safe_to_move_p,
10562         find_first_parameter_load, can_hoist_insn_p): Likewise.
10563         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
10564         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
10565         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
10566         schedule_ebbs): Likewise.
10567         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
10568         is_conditionally_protected, can_schedule_ready_p,
10569         add_branch_dependences, debug_dependencies): Likewise.
10570         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
10571         Likewise.
10572         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
10573         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
10574         set_dominates_use, ujump_to_loop_cont): Likewise.
10575         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
10576         * varasm.c (output_constant_pool_1): Likewise.
10577
10578 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10579
10580         * tree-scalar-evolution.c: New file.
10581         * tree-scalar-evolution.h: New file.
10582         * tree-ssa-loop-niter.c: New file.
10583         * Makefile.in (SCEV_H): New.
10584         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
10585         * cfgloop.h (struct loop): Add bounds field.
10586         * tree-flow.h (struct tree_niter_desc): New type.
10587         (number_of_iterations_cond, number_of_iterations_exit,
10588         loop_niter_by_eval, find_loop_niter_by_eval,
10589         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
10590         free_numbers_of_iterations_estimates): Declare.
10591         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
10592         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
10593         * doc/invoke.texi (max-iterations-to-track): Document.
10594
10595 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
10596
10597         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
10598         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
10599         (MODE_AFTER): Add cast appropriately.
10600         * config/sh/sh.md (movdi splitter): Likewise.
10601         (casesi_worker_2): Add const qualifier appropriately.
10602         (eh_return): Remove unused variable.
10603         (insv): Initialize v;
10604
10605 2004-07-08  Richard Henderson  <rth@redhat.com>
10606
10607         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
10608         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10609         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
10610         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
10611         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
10612
10613         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
10614         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10615         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
10616         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
10617
10618         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
10619         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10620         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
10621         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
10622
10623         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
10624         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10625         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
10626         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
10627
10628         * config/i860/i860-protos.h (i860_va_arg): Remove.
10629         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10630         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
10631         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
10632
10633 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10634
10635         * system.h: Prototype getpagesize if missing.
10636         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
10637         * configure: Regenerate.
10638         * config.in: Regenerate.
10639
10640 2004-07-08  Richard Henderson  <rth@redhat.com>
10641
10642         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
10643         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10644         (fr30_gimplify_va_arg_expr): New.
10645         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
10646         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
10647
10648 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
10649
10650         PR target/16414
10651         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
10652         of asm_noperands result.
10653
10654 2004-07-08  Richard Henderson  <rth@redhat.com>
10655
10656         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
10657         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10658         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
10659         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
10660
10661 2004-07-08  Richard Henderson  <rth@redhat.com>
10662
10663         * builtins.c (ind_gimplify_va_arg_expr): New.
10664         * tree.h (ind_gimplify_va_arg_expr): Declare.
10665         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
10666
10667 2004-07-08  Jan Beulich  <jbeulich@novell.com>
10668
10669         * expmed.c (extract_bit_field): Correct condition to use vec_extract
10670         patterns also on vector elements other than the first one.
10671         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
10672         break statements.
10673
10674 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
10675
10676         * config/rs6000/darwin-ldouble.c: Correct reference
10677         to the Linnainmaa paper.
10678
10679 2004-07-08  Richard Henderson  <rth@redhat.com>
10680
10681         * config/arc/arc-protos.h (arc_va_arg): Remove.
10682         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10683         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
10684         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
10685
10686         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
10687         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10688         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
10689         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
10690
10691 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10692
10693         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
10694
10695 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10696
10697         * c-decl.c (static_ctors, static_dtors): Make static.
10698         (pop_file_scope): Call c_common_write_pch and
10699         cgraph_finalize_compilation_unit here.
10700         (build_cdtor): Moved here from c-objc-common.c; simplify.
10701         (c_write_global_declarations_1): Clarify comment.
10702         (c_write_global_declarations): Close the external scope before
10703         doing anything else.  Call build_cdtor, cgraph_optimize, and
10704         mudflap_finish_file here.
10705         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
10706         Clarify comment.
10707         * c-objc-common.c: No need to include cgraph.h.
10708         (build_cdtor): Moved to c-decl.c.
10709         (c_objc_common_finish_file): Delete.
10710         * c-tree.h: Update to match.
10711         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
10712         (generate_static_references): Set TREE_USED before calling finish_decl.
10713         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
10714         on the static_instances_decl.
10715
10716 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10717
10718         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
10719         decls when there is only one input translation unit.
10720         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
10721         change of 2004-07-05; do not treat declarations with
10722         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
10723         * opts.c (cur_in_fname): Delete.
10724         * opts.h: Likewise.
10725         * tree.c: Revert changes of 2004-07-05; no special treatment
10726         for TRANSLATION_UNIT_DECLs.
10727         * Makefile.in (tree.o): Update dependencies.
10728
10729 2004-07-08  Roger Sayle  <roger@eyesopen.com>
10730
10731         * builtins.c (fold_builtin_strcpy): Merge functionality from
10732         simplify_builtin_strcpy.  Add additional len argument.  No longer
10733         static.  Remove function prototype.
10734         (fold_builtin_strncpy): Likewise integrate functionality from
10735         simplify_builtin_strncpy.  Add additional slen argument.  No
10736         longer static.  Remove function prototype.
10737         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
10738         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
10739         types of "ignore" and "unlocked" parameters to bool.
10740         (fold_builtin_1):  Add additional ignore argument.  Call renamed
10741         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
10742         builtins.  Update arguments to fold_builtin_strncpy and
10743         fold_builtin_strcpy.  Add function prototype.
10744         (fold_builtin): Add additional Boolean ignore argument to pass
10745         to fold_builtin_1.
10746         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
10747         and fold_builtin_strncpy instead of simplify_builtin_fputs,
10748         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
10749
10750         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
10751         simplify_builtin_strncpy): Delete function prototypes.
10752         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
10753         fold_builtin_strncpy): Add function prototypes here.
10754         (fold_builtin): Update function prototype with new "bool ignore".
10755
10756         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
10757         (ccp_fold_builtin):  Update call to fold_builtin.  Call
10758         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
10759         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
10760         simplify_builtin_strncpy respectively.
10761         * fold-const.c (fold): Update call to fold_builtin.
10762
10763 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10764
10765         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
10766         to strcpy.
10767
10768         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
10769         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
10770         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
10771         * calls.c: Remove ifdefs of macros above.
10772         * functions.c: Likewise.
10773         * expr.c: Likewise.
10774
10775 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10776
10777         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
10778         (arch attribute): Delete.
10779         (current_function_calls_alloca attribute): Rename into calls_alloca.
10780         (calls_eh_return): New attribute.
10781         (leaf_function): Likewise.
10782         (length attribute): Fix formula for sibcalls.
10783         (return insn): Correctly compute the 'length' attribute.
10784         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
10785
10786 2004-07-08  Richard Henderson  <rth@redhat.com>
10787
10788         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
10789         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
10790         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
10791         * tree-eh.c (lower_eh_constructs_1): Likewise.
10792         * tree-sra.c (sra_walk_modify_expr): Likewise.
10793         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10794         (eliminate_unnecessary_stmts): Likewise.
10795         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10796         * tree-tailcall.c (optimize_tail_call): Likewise.
10797         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
10798
10799 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10800             Jakub Jelinek  <jakub@redhat.com>
10801
10802         * config/i386/i386.c (override_options): Enable
10803         SSE prefetches with -mtune, as long as we are
10804         compiling for i686 or higher.  All i686 processors
10805         accept SSE prefetches as NOPS, some i586's don't.
10806
10807 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10808
10809         PR target/10567
10810         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
10811
10812 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10813
10814         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
10815         the handling of clobbering ASM_EXPRs.
10816
10817 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10818
10819         PR target/16430
10820         * config/sparc/sparc.c (function_value): In 64-bit mode,
10821         return the aggregates larger than 16 bytes like unions.
10822
10823 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10824
10825         PR target/16199
10826         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
10827         'temp' is zero, generate new pseudos as needed and emit the
10828         sequence of insns in single-assignment form.  Resync comments
10829         with code.
10830         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
10831         function before reload.
10832
10833 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
10834
10835         * vec.c (vec_assert_fail): Remove duplicate 'function'.
10836
10837         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
10838
10839         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
10840         Allocation is signed.
10841         (VEC_reserve): Return flag, allocation is signed.
10842
10843 2004-07-08  Richard Henderson  <rth@redhat.com>
10844
10845         * tree-ssa-ccp.c (fold_stmt): Get type directly from
10846         OBJ_TYPE_REF_OBJECT.
10847
10848 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10849             Neil Booth  <neil@daikokuya.co.uk>
10850
10851         PR c/2511
10852         PR c/3325
10853         * c-decl.c (finish_struct): Ensure bit-fields are given the
10854         correct type.
10855         * c-common.c (c_common_signed_or_unsigned_type): For C, require
10856         the precision to match as well as the mode.
10857         * expr.c (reduce_to_bit_field_precision): New function.
10858         (expand_expr_real_1): Reduce expressions of bit-field type to
10859         proper precision.
10860         * langhooks.h (reduce_bit_field_operations): New hook.
10861         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10862         Define.
10863         * c-lang.c, objc/objc-lang.c
10864         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
10865         * objc/objc-act.c (check_ivars): Convert types to bit-field types
10866         before checking.
10867         * tree.c (build_nonstandard_integer_type): New function.
10868         * tree.h (build_nonstandard_integer_type): New prototype.
10869         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
10870         conversions between integer and boolean types as useless.
10871
10872 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10873
10874         * c-common.c (c_common_nodes_and_builtins): Do not
10875         create __builtin_ptrdiff_t and __builtin_size_t.
10876
10877 2004-07-08  Andrew Pinski  <apinski@apple.com>
10878
10879         * Makefile.in (libbackend.o): Add -combine to the gcc
10880         command line.
10881
10882 2004-07-08  Nick Clifton  <nickc@redhat.com>
10883
10884         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
10885         Set to -Os.
10886
10887 2004-07-08  Richard Henderson  <rth@redhat.com>
10888
10889         * except.c (expand_eh_region_start, expand_eh_region_end,
10890         expand_eh_handler, expand_eh_region_end_cleanup,
10891         expand_start_all_catch, expand_start_catch, expand_end_catch,
10892         expand_end_all_catch, expand_eh_region_end_allowed,
10893         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
10894         expand_eh_region_end_fixup): Remove.
10895         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
10896         cleanups, outer_cleanups, label_chain, exception_region.
10897         (struct goto_fixup): Remove stack_level, cleanup_list_list.
10898         (struct label_chain): Remove.
10899         (struct stmt_status): Remove x_stack_block_stack.
10900         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
10901         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
10902         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
10903         end_cleanup_deferral, last_cleanup_this_contour,
10904         containing_blocks_have_cleanups_or_stack_level,
10905         any_pending_cleanups): Remove.
10906         (expand_null_return_1): Take no arguments.
10907         (expand_label, expand_naked_return, expand_return,
10908         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
10909         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
10910         expand_end_case_type): Don't use any of them.
10911         * calls.c (expand_call): Likewise.
10912         * dojump.c (do_jump): Likewise.
10913         * function.c (expand_function_end): Likewise.
10914         * expr.c (store_expr, expand_expr_real_1): Likewise.
10915         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
10916         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
10917         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
10918         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
10919         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
10920         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
10921         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
10922         for WITH_CLEANUP_EXPR.
10923         (gimple_push_cleanup): Likewise.
10924         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
10925         * print-tree.c (print_node): Likewise.
10926         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
10927         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
10928         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
10929         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
10930         (GOTO_SUBROUTINE_EXPR): Remove.
10931         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
10932         (DECL_TOO_LATE): Remove.
10933         * except.h, tree.h: Update decls.
10934
10935 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10936
10937         * explow.c (optimize_save_area_alloca): Do not accept parameters.
10938         * passes.c (rest_of_handle_final): Handle symout.
10939         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
10940         Push timevar here.
10941         (rest_of_handle_sched): Break out SMS.  Remove ifs for
10942         flag_schedule_insns and flag_modulo_sched.
10943         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
10944         collect at the end.
10945         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
10946         (rest_of_handle_partition_blocks, rest_of_handle_sms,
10947         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
10948         rest_of_handle_mode_switching, rest_of_handle_jump,
10949         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
10950         rest_of_handle_jump2, rest_of_handle_postreload,
10951         rest_of_handle_flow2, rest_of_clean_state,
10952         rest_of_handle_shorten_branches,
10953         rest_of_handle_prologue_epilogue,
10954         rest_of_handle_branch_target_load_optimize): New.
10955         (rest_of_compilation): Call the above.  Remove ggc_collect
10956         calls moved to rest_of_handle_*.
10957         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
10958
10959         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
10960         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
10961         * except.h (set_nothrow_function_flags): Update comment.
10962         * function.c (current_function_nothrow): Remove.
10963         * output.h (current_function_nothrow): Remove.
10964         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
10965         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
10966
10967 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10968
10969         PR bootstrap/16326
10970         * reorg.c: Revert 2004-06-30 change.
10971         (find_end_label): If HAVE_epilogue and !HAVE_return,
10972         return 0 instead of creating a label at the end of the insn chain.
10973         (optimize_skip): Account for the failure mode of find_end_label.
10974         (fill_simple_delay_slots): Likewise.
10975         (fill_slots_from_thread): Likewise.
10976         (relax_delay_slots): Likewise.
10977
10978 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10979
10980         * tree-flow.h (addressable_vars): Declare.
10981         * tree-ssa-alias.c (addressable_vars): Define.
10982         (setup_pointers_and_addressables): Add addressable variables
10983         to addressable_vars.
10984         * tree-ssa-operands.c (get_stmt_operands): Move
10985         handling of ASM_EXPRs ...
10986         (get_asm_expr_operands): ... here.
10987         When the ASM_EXPR clobbers memory, also clobber addressable
10988         variables.
10989         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
10990         (delete_tree_ssa): Reset addressable_vars.
10991
10992 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10993             Richard Henderson  <rth@redhat.com>
10994
10995         * varasm.c (assemble_variable): Use assemble_zeros for
10996         zero-initialized variables.
10997         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
10998         for SECCAT_BSS and SECCAT_TBSS.
10999
11000 2004-07-07  Jan Beulich  <jbeulich@novell.com>
11001
11002         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
11003
11004         * expmed.c (emit_store_flag): Also special-case double-word
11005         (in-)equality comparison against -1.
11006
11007         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
11008         passing arguments the containers for which are registers.
11009
11010         * calls.c (emit_library_call_value_1): Use mode of function parameter
11011         rather than that of argument since constants have none.
11012
11013 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
11014
11015         Introduce H8SX support.
11016         * expr.c (expand_strcpy): Renamed and moved to...
11017         * builtins.c (expand_movstr): ... here.  Tweak.
11018         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
11019         computed or has side effects.
11020         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
11021         unused, or if mempcpy fails.  Adjust the return value in the
11022         latter case.  Use movstr if everything else fails.
11023         * doc/md.texi (movstr): Document.
11024         (movmemM, clrmemM): Fix explanation of memory block operands.
11025         * config/h8300/h8300.md (stpcpy): Renamed to...
11026         (movstr): ... this.  Adjust.
11027         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11028         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
11029         movmem* and clrstr* to clrmem*.
11030         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
11031         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
11032         GENERAL_REGS, always.
11033         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
11034         getting the stack pointer as addr.
11035         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
11036         from general_operand_dst.
11037         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
11038         variant of...
11039         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
11040         instead of requiring it to match only before reload.
11041         (stpcpy_internal_normal): New, normal-mode variant of...
11042         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
11043         `D' instead of requiring it to match only before reload.
11044         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
11045         mode argument.
11046         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
11047         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
11048         h8300_get_index.
11049         * config/h8300/h8300.md (attr type): Add call.
11050         (attr can_delay): If type is call, set it no.
11051         (call, call_value): Set type to call.
11052         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
11053         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
11054         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
11055         * tree.c (get_narrower): Don't narrow integral types into
11056         non-integral types.
11057         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
11058         frame_size *before* the first use.
11059         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
11060         on input.
11061         (peephole2): Don't widen instructions that push SP.  Move
11062         decrement of SP to the end of all stm-generating peepholes.
11063         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
11064         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
11065         and OR to set it to all ones.
11066         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
11067         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
11068         (call, call_value): Set can_delay to "no".
11069         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
11070         * config/h8300/h8300.md (extzv): Make subreg check more robust.
11071         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
11072         * config/h8300/h8300.md (*brabit): Remove.
11073         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
11074         zero_extract.  Use bit_memory_operand as the predicate for
11075         operand 1 and 'WU' as the constraint.  Check the difference
11076         between the base length and the final one when deciding which
11077         type of branch to use.
11078         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
11079         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
11080         Use convert_move to extend the result for TARGET_H8300SX.  Check
11081         for QImode memory references.  Optimize the case where the
11082         destination is a paradoxical subreg.
11083         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
11084         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
11085         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
11086         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
11087         * config/h8300/h8300.md: Include mova.md
11088         (length_table): Add mova and mova_zero.
11089         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
11090         after all constant addresses for '%R', '%X', '%T' and '%S'.
11091         (h8300_mova_length): New function.
11092         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
11093         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
11094         dependencies for s-config, etc.
11095         * config/h8300/gemova.sh: New file.
11096         * config/h8300/mova.md: Generated.
11097         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
11098         * config/h8300/h8300.c (h8300_bitfield_length): New.
11099         (nibble_operand): Adjust.
11100         (h8300_binary_length): Handle conditional binary op.
11101         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
11102         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
11103         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
11104         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
11105         constraints.  WU is introduced as a variant of U that requires a
11106         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
11107         * config/h8300/h8300.md (attr type): Added bitbranch.
11108         (attr length_table): Added bitfield and bitbranch.
11109         (attr length): Compute bitbranch length.
11110         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
11111         least-significant bit of a byte.
11112         (brabit, brabc, brabs): New.
11113         (insv, extzv): Emit bfst and bfld on H8300SX.
11114         (bfld, bfst, seq, sne): New.
11115         (bstzhireg, cmpstz, bstz, bistz): New.
11116         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
11117         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
11118         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
11119         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
11120         (h8sx_unary_memory_operator): New function.
11121         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
11122         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
11123         * config/h8300/h8300.md: Add peepholes to combine reloads and
11124         arithmetic insns.
11125         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
11126         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
11127         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
11128         (and?i, ior?i, xor?i): Likewise.
11129         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
11130         * config/h8300/h8300.c: Move enums and prototypes to head of file.
11131         Various whitespace fixes.
11132         (h8300_constant_length): New function, split out from...
11133         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
11134         (h8300_classify_operand): Use IN_RANGE.
11135         (h8300_classify_operand): Use h8300_constant_length.
11136         (h8300_short_move_mem_p): Tighten size check.
11137         (h8sx_mergeable_memrefs_p): Tighten equality check.
11138         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
11139         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
11140         for -msx.
11141         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
11142         * config/h8300/crtn.asm: Likewise.
11143         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
11144         if __H8300SX__ is defined.
11145         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
11146         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
11147         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
11148         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
11149         addresses as mode-dependent.
11150         * config/h8300/h8300.c (print_operand_address): Update call to
11151         h8300_get_index.
11152         (h8300_get_index): Take a mode argument.  Rework to fix an
11153         earlier misunderstanding.
11154         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
11155         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
11156         into a register if TARGET_H8300SX.
11157         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
11158         TARGET_H8300SX.  Also disable related define_splits.
11159         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
11160         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
11161         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
11162         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
11163         * config/h8300/h8300.h (OK_FOR_Z): New macro.
11164         (EXTRA_CONSTRAINT_STR): Check it.
11165         * config/h8300/h8300.c (h8300_classify_operand): Accept null
11166         class arguments.
11167         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
11168         * config/h8300/h8300.md (length_table): Add mov_imm4.
11169         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
11170         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
11171         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
11172         be a label.
11173         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
11174         * config/h8300/h8300.c (h8300_reorg): New function.
11175         (TARGET_MACHINE_DEPENDENT_REORG): Define.
11176         * config/h8300/h8300.md (length): Subtract the length of the
11177         delay slot from (pc) when checking the range of forward branches.
11178         (delay_slot, can_delay): New attributes.
11179         (define_delay): Add bra/s handling.
11180         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
11181         (jump): Add delayed-branch handling.
11182         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
11183         * expr.c (expand_strcpy): New function.
11184         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
11185         (expand_builtin_stpcpy): Likewise.
11186         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
11187         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
11188         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
11189         handling to improve register allocation for -fno-omit-frame-pointer.
11190         (h8sx_split_movmd): Delete, moving er6 handling into...
11191         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
11192         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
11193         (movmd): Add calls to copy_rtx.
11194         (movmd_internal): In the second alternative, allow the initial and
11195         final destination registers to be different .  Update the splitter
11196         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
11197         instead of h8sx_split_movmd.
11198         (stpcpy, movsd): New expanders.
11199         (movsd_internal): New define_insn.
11200         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
11201         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
11202         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
11203         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
11204         and DESTINATION_REGS.
11205         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
11206         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
11207         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
11208         (h8300_move_ratio): Declare.
11209         (MOVE_RATIO): Use it.
11210         * config/h8300/h8300.c (h8300_move_ratio): New variable.
11211         (h8300_init_once): Initialize it.
11212         (h8300_reg_class_from_letter): New function.
11213         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
11214         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
11215         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
11216         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
11217         (movstrsi, movmd): New expanders.
11218         (movmd_internal): New insn.
11219         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
11220         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
11221         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
11222         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
11223         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
11224         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
11225         * config/h8300/h8300.c (nibble_operand): Fix warning.
11226         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
11227         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
11228         (movsf_h8300h): Disable for TARGET_H8300SX.
11229         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
11230         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
11231         h8300_stm_parallel and h8300_return_parallel.
11232         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
11233         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
11234         h8300_stm_parallel, h8300_return_parallel): New functions.
11235         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
11236         if TARGET_H8300SX.  Use h8300_push_pop.
11237         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
11238         and final pop when generating h8sx code.  Always emit some form
11239         of return insn.
11240         * config/h8300/h8300.md: Don't enforce register alignment in
11241         stm peepholes if TARGET_H8300SX.
11242         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
11243         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
11244         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
11245         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
11246         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
11247         (MULTILIB_DIRNAMES): Add a directory for it.
11248         (MULTILIB_MATCHES): Delete.
11249         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
11250         * final.c (walk_alter_subreg): Handle addresses with subregs
11251         inside a ZERO_EXTEND or AND.
11252         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
11253         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
11254         if TARGET_H8300SX.
11255         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
11256         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
11257         @(dd,Rn.w) and @(dd,ERn.L).
11258         (h8300_displacement_size): Take the whole address as argument.
11259         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
11260         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
11261         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
11262         (h8sx_mergeable_memrefs_p): Declare.
11263         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
11264         (HAVE_PRE_INCREMENT): Likewise.
11265         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
11266         addresses for TARGET_H8300SX,
11267         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
11268         and POST_DEC.
11269         (movb_length_table, movl_length_table): New tables.
11270         (movw_length_table): Define to movb_length_table.
11271         (h8300_displacement_size): New, split out from...
11272         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
11273         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
11274         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
11275         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
11276         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
11277         (compute_plussi_length, compute_plussi_cc): Update accordingly.
11278         (h8sx_unary_shift_operator): Get the mode from the operator.
11279         (binary_shift_operator): Likewise.
11280         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
11281         a memory reference, check whether the reference is offsettable.
11282         (length_table): Add movb, movw and movl.
11283         (movqi): Add new h8sx pattern.  Don't force one operand to be a
11284         register when generating h8sx code.
11285         (movhi, movsi, movsf): Likewise.
11286         (movstrictqi): Use the length_table attribute.
11287         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
11288         (addqi3): Split into a define_expand and define_insn.  Don't accept
11289         memory operands in the expander.  Use h8300_operands_match_p to
11290         check for matching operands in the define_insn.
11291         (subqi3, negqi2, one_cmplqi2): Likewise.
11292         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
11293         in any patterns that are unused in h8sx code.  In the h8sx patterns,
11294         use h8300_operands_match_p to check whether operands match.
11295         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
11296         one_cmpl[hs]i3): Likewise.
11297         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
11298         in the expander.
11299         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
11300         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
11301         (h8300_insn_length_from_table): Add a second parameter.
11302         (output_h8sx_shift): Declare.
11303         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
11304         (EXTRA_CONSTRAINT): Replace with...
11305         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
11306         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
11307         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
11308         and h8sx_binary_shift_operator.
11309         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
11310         for TARGET_H8300SX.
11311         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
11312         (bit_memory_operand, fix_bit_operand): Likewise.
11313         (h8300_length_table_for_insn): Remove.
11314         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
11315         instructions.
11316         (h8300_short_immediate_length, h8300_binary_length): New functions.
11317         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
11318         (output_plussi): Use sub to add negative constants.
11319         (compute_plussi_length): Adjust accordingly.
11320         (h8sx_single_shift_type): New enum.
11321         (h8sx_single_shift, h8sx_unary_shift_operator,
11322         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
11323         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
11324         single h8sx instruction.  Return false in this case.
11325         * config/h8300/h8300.md (length_table): Add short_immediate.
11326         (length): Pass the operand array to h8300_insn_length_from_table.
11327         (adjust_length): Assume "no" for insns with a length_table attribute.
11328         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
11329         (*addhi3_h8300hs): Don't use for h8sx.
11330         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
11331         and sub.w #xx:3.
11332         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
11333         1's predicate to nonimmediate_operand.  Only skip default expansion
11334         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
11335         for single h8sx shift instructions.
11336         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
11337         * config/h8300/h8300.c (nibble_operand): Split out of...
11338         (reg_or_nibble_operand): ... this.
11339         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
11340         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
11341         umulhisi3): Introduce expand, and introduce separate insns for
11342         sign- or zero-extended REG and already-extended CONST_INT.
11343         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
11344         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
11345         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
11346         (subhi3): Likewise.  Don't accept immediates for operand 1.
11347         Remove the early clobber from second alternative of the h8300s pattern.
11348         (subsi3): Generalize for h8sx.  Force operand 2 into a register
11349         on plain h8300 targets.
11350         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
11351         (subsi3_h8300h): Generalize for h8sx.
11352         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
11353         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
11354         * config/h8300/h8300.c (reg_or_nibble_operand): New.
11355         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
11356         (TARGET_H8300SXMUL): New.
11357         (CONST_OK_FOR_P): New.
11358         (CONST_OK_FOR_LETTER_P): Adjust.
11359         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
11360         umulhisi3): Accept 4-bit immediate on H8SX.
11361         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
11362         (udivsi3, divhi3, udivsi3, divsi3): New.
11363         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
11364         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
11365         * config/h8300/h8300.h (OK_FOR_Q): New macro.
11366         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
11367         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
11368         Add ADDRESSOF to the bit_operand entry.
11369         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
11370         (h8300_src_operand): Likewise.
11371         (bit_operand): Check nonimmediate_operand rather than general_operand.
11372         Accept any nonimmediate_operand in h8sx code.
11373         (h8300_and_costs): Initialize operands[1].
11374         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
11375         (h8300_operand_class): New enum.
11376         (h8300_length_table): New typedef.
11377         (addb_length_table, addw_length_table, addl_length_table,
11378         logicl_length_table): New tables.
11379         (logicb_length_table, logicw_length_table): New macros.
11380         (h8300_classify_operand, h8300_length_from_table,
11381         h8300_length_table_for_insn, h8300_unary_length,
11382         h8300_insn_length_from_table): New functions.
11383         (output_plussi): Only use adds and subs for register destinations.
11384         Disable redundant clause.
11385         (compute_plussi_cc): Likewise.
11386         (compute_plussi_length): Likewise.  Use h8300_length_from_table
11387         to work out the length of an insn.
11388         (output_logical_op): Only use narrower immediate instructions
11389         if the destination is a register.
11390         (compute_logical_op_cc): Likewise.
11391         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
11392         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
11393         * config/h8300/h8300.md (length_table): New attribute.
11394         (length): When an instruction has a length_table attribute, use
11395         h8300_insn_length_from_table to calculate its default length.
11396         (cmpqi): Use h8300_dst_operand for the first operand and
11397         h8300_src_operand for the second.
11398         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
11399         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
11400         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
11401         iorsi3, xorhi3, xorsi3): Likewise.
11402         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
11403         so that it allows any combination of operands for TARGET_H8300SX.
11404         (iorqi3, xorqi3): Likewise.
11405         (cmpqi): Use the length_table attribute.
11406         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
11407         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
11408         (cmpqi): Add 'Q' constraint.
11409         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
11410         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
11411         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
11412         * config/h8300/h8300.h (MASK_H8300SX): New macro.
11413         (TARGET_H8300S): True for both -ms and -msx.
11414         (TARGET_H8300SX): New macro.
11415         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
11416         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
11417         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
11418         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
11419         [Temporary change.]
11420         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
11421         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
11422         16-bit pointers and 32-bit ints.
11423         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
11424         CONST_DOUBLE with mode no wider than SImode.
11425         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
11426         output operand.
11427         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
11428         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
11429         or SUBREG thereof.
11430         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
11431         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
11432         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
11433
11434 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11435
11436         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
11437
11438 2004-07-07  Per Bothner  <per@bothner.com>
11439
11440         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
11441
11442 2004-07-07  Mike Stump  <mrs@apple.com>
11443
11444         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
11445         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
11446         (machopic_finish): Likewise.
11447
11448 2004-07-07  Richard Henderson  <rth@redhat.com>
11449
11450         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
11451         through any value-preserving cast.
11452
11453 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11454
11455         * function.c (assign_parm_find_data_types): Call
11456         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
11457
11458 2004-07-07  Steven Bosscher  <stevenb@suse.de>
11459
11460         * tree-cfg.c (group_case_labels): Remove case labels that have
11461         the same target as the default case.
11462
11463 2004-07-07  Steven Bosscher  <stevenb@suse.de>
11464
11465         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
11466         regardless of DECL_LANG_SPECIFIC being present or not.
11467         * tree.h (DECL_NUM_STMTS): Purge.
11468
11469 2004-07-07  Andrew Pinski  <apinski@apple.com>
11470
11471         * configure: Regenerate with the right autoconf.
11472
11473 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
11474
11475         * ifcvt.c (total_bb_rtx_cost): New function.
11476         (find_if_case_1): Compare rtx_cost of basic block to cost of
11477         BRANCH_COST insns.
11478         (find_if_case_2): Same.
11479
11480 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11481
11482         PR target/10567
11483         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
11484         (output_return): Likewise.
11485         (output_sibcall): Abort if !flag_delayed_branch.
11486         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
11487         (emit_and_preserve): New function.
11488         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
11489         indirect jump to the thunked-to function if !flag_delayed_branch.
11490         * config/sparc/sparc.md (delayed_branch): New attribute.
11491         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
11492         attribute to compute the length of the insn.
11493         (goto_handler_and_restore): Likewise.
11494
11495 2004-07-07  Andrew Pinski  <apinski@apple.com>
11496
11497         PR tree-optimization/15777
11498         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
11499
11500         * expr.c (expand_expr_real_1): Fix formating.
11501         BUFFER_REF and IN_EXPR are dead.
11502         * fold-const.c (non_lvalue): BUFFER_REF is dead.
11503         * tree-inline.c (estimate_num_insns_1): Likewise.
11504         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
11505         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
11506         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
11507
11508 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
11509
11510         * collect2.c (dump_file): Don't call cplus_demangle if
11511         HAVE_LD_DEMANGLE is defined.
11512         (main): Pass "--demangle" to ld if no_demangle is not 0 and
11513         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
11514         if HAVE_LD_DEMANGLE is defined.
11515
11516         * configure.ac (--with-demangler-in-ld): Added
11517         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
11518         --with-demangler-in-ld is used.
11519         * config.in: Regenerated.
11520         * configure: Likewise.
11521
11522 2004-07-07  Roger Sayle  <roger@eyesopen.com>
11523
11524         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
11525         for simple floating point operations "fp", double precision
11526         multiplication "dmul", and single and double precision division
11527         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
11528         (ppc630_cost): New table split from ppc620_cost, to distinguish
11529         differences in floating point latencies.
11530         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
11531         (rs6000_rtx_costs): Add support for single and double precision
11532         floating point addition, subtraction, multiplication, division,
11533         fused-multiply-add, fused-multiply-sub, negation, absolute value
11534         and negative absolute value.  Tweak MEM case to use prefered idiom.
11535
11536 2004-07-07  Richard Henderson  <rth@redhat.com>
11537
11538         * tree-flow-inline.h (may_propagate_copy): Move...
11539         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
11540         attempt to copy between types requiring conversion.
11541         * tree-flow.h (may_propagate_copy): Update decl.
11542         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
11543
11544 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
11545
11546         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
11547         from -mtune= option.
11548
11549 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11550
11551         * builtins.c: Rename movstr*, except for movstrict*, to
11552         movmem* and clrstr* to clrmem*.
11553         * expr.c: Likewise.
11554         * expr.h: Likewise.
11555         * genopinit.c: Likewise.
11556         * integrate.c: Likewise.
11557         * local-alloc.c: Likewise.
11558         * optabs.c: Likewise.
11559         * optabs.h: Likewise.
11560         * config/alpha/alpha.h: Likewise.
11561         * config/alpha/alpha.md: Likewise.
11562         * config/arm/arm-protos.h: Likewise.
11563         * config/arm/arm.c: Likewise.
11564         * config/arm/arm.md: Likewise.
11565         * config/avr/avr.md: Likewise.
11566         * config/c4x/c4x.c: Likewise.
11567         * config/c4x/c4x.md: Likewise.
11568         * config/frv/frv.md: Likewise.
11569         * config/i386/i386-protos.h: Likewise.
11570         * config/i386/i386.c: Likewise.
11571         * config/i386/i386.h: Likewise.
11572         * config/i386/i386.md: Likewise.
11573         * config/i860/i860.c: Likewise.
11574         * config/i860/i860.md: Likewise.
11575         * config/ip2k/ip2k.md: Likewise.
11576         * config/ip2k/libgcc.S: Likewise.
11577         * config/ip2k/t-ip2k: Likewise.
11578         * config/m32r/m32r.c: Likewise.
11579         * config/m32r/m32r.md: Likewise.
11580         * config/mcore/mcore.md: Likewise.
11581         * config/mips/mips.c: Likewise.
11582         * config/mips/mips.md: Likewise.
11583         * config/ns32k/ns32k.c: Likewise.
11584         * config/ns32k/ns32k.h: Likewise.
11585         * config/ns32k/ns32k.md: Likewise.
11586         * config/pa/pa.c: Likewise.
11587         * config/pa/pa.md: Likewise.
11588         * config/pdp11/pdp11.h: Likewise.
11589         * config/pdp11/pdp11.md: Likewise.
11590         * config/rs6000/rs6000.c: Likewise.
11591         * config/rs6000/rs6000.md: Likewise.
11592         * config/s390/s390-protos.h: Likewise.
11593         * config/s390/s390.c: Likewise.
11594         * config/s390/s390.md: Likewise.
11595         * config/sh/lib1funcs.asm: Likewise.
11596         * config/sh/sh.c: Likewise.
11597         * config/sh/sh.md: Likewise.
11598         * config/sh/t-sh: Likewise.
11599         * config/sparc/sparc.h: Likewise.
11600         * config/vax/vax.md: Likewise.
11601         * config/xtensa/xtensa.c: Likewise.
11602         * config/xtensa/xtensa.md: Likewise.
11603         * doc/invoke.texi: Likewise.
11604         * doc/md.texi: Likewise.
11605         * doc/rtl.texi: Likewise.
11606
11607 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
11608
11609         PR target/16407
11610         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
11611         * config/mips/mips.c (mips_declare_common_object): New function,
11612         mostly split out from...
11613         (mips_output_aligned_decl_common): ...here.
11614         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
11615         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
11616         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
11617         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
11618
11619 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11620
11621         PR c/16392
11622         * function.c (assign_parms): Fix typo from previous change.
11623
11624 2004-07-07  Jason Merrill  <jason@redhat.com>
11625
11626         PR c++/15815
11627         * doc/extend.texi (C++ Interface): Correct information and
11628         discourage use.
11629
11630 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
11631
11632         PR target/16130
11633         PR target/16142
11634         PR target/16143
11635         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
11636         insn.
11637
11638 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11639
11640         PR target/1679.
11641         * config/m32r/m32r.c (m32r_function_symbol): New function:
11642         Generate a symbol name RTX with the correct m32r specific flags
11643         set.
11644         (block_move_call): Use new function to generate correct symbol.
11645         * config/m32r/m32r-protos.h: Add prototype for new funcion.
11646         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
11647         function.
11648
11649 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11650
11651         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
11652         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
11653         TYPE_BINFO_BASETYPE): Remove.
11654         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
11655         to ...
11656         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
11657         here.
11658         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
11659         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
11660         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
11661         (struct tree_binfo): Rename base_types to base_binfos.
11662         * alias.c (record_component_aliases): Adjust BINFO macros.
11663         * dbxout.c (dbxout_type): Likewise.
11664         * dwarf2out.c (gen_member_die): Likewise.
11665         * sdbout.c (sdbout_one_type): Likewise.
11666         * tree-dump.c (deque_and_dump): Likewise.
11667         * config/i386/i386.c (classify_argument,
11668         contains_128bit_aligned_vector_p): Likewise.
11669
11670 2004-07-07  Nick Clifton  <nickc@redhat.com>
11671
11672         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
11673         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
11674
11675 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11676
11677         * vec.h: Fix the example use.
11678
11679 2004-07-06  Richard Henderson  <rth@redhat.com>
11680
11681         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
11682         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
11683         * tree-inline.c (copy_body_r, setup_one_parameter,
11684         initialize_inlined_parameters, expand_call_inline,
11685         declare_inline_vars): Don't check it.
11686         (expand_calls_inline): Remove old version, rename new version
11687         from gimple_expand_calls_inline.
11688         * tree-optimize.c (execute_gimple): Remove.
11689         (pass_gimple): Don't run anything.
11690
11691 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11692
11693         * doc/sourcebuild.texi: Use semicolons instead of commas in
11694         section title.
11695
11696 2004-07-06  Richard Henderson  <rth@redhat.com>
11697
11698         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
11699         (sra_walk_modify_expr, scan_init): Likewise.
11700         (generate_element_zero): Check visited before scanning children.
11701         (generate_element_init): Set visited on error.
11702         (scalarize_init): Handle generate_element_init failure similar
11703         to use_block_copy.
11704
11705 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11706
11707         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
11708         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
11709
11710 2004-07-06  Richard Henderson  <rth@redhat.com>
11711
11712         * config/i386/i386.c (legitimize_pic_address): Make static.
11713         (legitimize_address): Handle CONST with TLS operand.
11714         (ix86_expand_move): Don't call legitimize_pic_address directly.
11715         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
11716
11717 2004-07-06  Roger Sayle  <roger@eyesopen.com>
11718
11719         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
11720         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
11721         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
11722         is currently executed unconditionally, i.e. not in "else_bb".
11723
11724 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11725
11726         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
11727         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11728         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
11729         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11730         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
11731         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11732         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
11733         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11734         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
11735         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11736         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
11737         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11738         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
11739         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11740         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
11741         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11742
11743 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11744
11745         * dojump.c (do_jump): REFERENCE_EXPR is dead.
11746         * expr.c (expand_expr_real_1): Ditto.
11747         * tree-inline.c (estimate_num_insns_1): Ditto.
11748         * tree-pretty-print.c (dump_generic_node): Ditto.
11749         (op_symbol): Ditto.
11750         * tree.def: Ditto.
11751
11752 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11753
11754         * tree-ssa-pre.c (reference_node_pool): New pool.
11755         (find_or_generate_expression): Class 'r' is okay too.
11756         (create_value_expr_from): Ditto.
11757         (add_to_sets): LHS should not include vuses.
11758         (eliminate): Ditto.
11759         (compute_avail): Reverse ordering of tests.
11760         Valuize INDIRECT_REF as well.
11761
11762 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
11763
11764         PR rtl-optimization/16380
11765         * loop.c (check_dbra_loop): Sink comparison instructions if they
11766         do something other than set cc0.
11767
11768 2004-07-06  James E Wilson  <wilson@specifixinc.com>
11769
11770         * doc/interface.texi (longjmp and automatic variables): Delete
11771         paragraph recommending taking the address of a variable.
11772
11773 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11774
11775         * vec.h (VEC_embedded_alloc): Remove.
11776         (VEC_embedded_size, VEC_embedded_init): New.
11777         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
11778         MEM_STAT_INFO.
11779         (VEC_truncate): New.
11780         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
11781         (vec_embedded_alloc): Remove.
11782         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
11783         (vec_embedded_alloc): Remove.
11784
11785 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
11786
11787         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
11788         (gt-langhooks.h): Remove.
11789
11790 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
11791
11792         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
11793
11794 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11795
11796         * config/sparc/sparc.c (get_pc_symbol): Rename into
11797         add_pc_to_pic_symbol.
11798         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
11799         (load_pic_register): Account for previous changes.
11800         Use reg_names.  Don't create the label twice.
11801         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
11802         UNSPEC_LOAD_PCREL_SYM.
11803         (get_pc): Rename into load_pcrel_sym.  Add predicate to
11804         operands.  Remove condition.
11805
11806 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11807
11808         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
11809         RECORD, UNION & QUAL_UNION is actually a binfo.
11810
11811         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
11812         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
11813         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
11814         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
11815         * dwarf2out.c (add_data_member_location_attribute): Likewise.
11816         (gen_inheritance_die): Likewise.
11817         * tree-dump.c (deque_and_dump): Likewise.
11818         * doc/c-tree.texi (Binfos): Add under reconstruction note.
11819
11820 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11821
11822         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11823         Define.
11824         * config/mcore/mcore.md: Model memory latency with a simple DFA
11825         pipeline description instead of a define_function_unit.
11826
11827 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11828
11829         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
11830         * langhooks.h (var_mod_type_p): Likewise.
11831         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
11832         * expr.c (count_type_elements): Properly handle return from
11833         array_type_nelts and properly test for overflow.
11834         * gimplify.c (gimplify_init_constructor): Properly handle return
11835         from array_type_nelts.
11836         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
11837         * integrate.c (copy_decl_for_inlining): Correct comments.
11838         * tree-inline.c (remap_decl): Update comments, remove dead code,
11839         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
11840         (remap_type): Only remap if variably modified by vars in function
11841         being inlined.
11842         (copy_body_r): Use compatible_type langhooks to see when can fold.
11843         (setup_one_parameter): Don't remap type.
11844         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
11845         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
11846         compute TREE_INVARIANT for decl case.
11847         (find_var_from_fn): New function.
11848         (variably_modified_type_p): Add arg and call new function.
11849         * tree.h (variably_modified_type_p): Add extra arg.
11850
11851 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11852
11853         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
11854         (goto_handler_and_restore_v9): Delete disabled insn.
11855         (goto_handler_and_restore_v9_sp64): Likewise.
11856
11857 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11858
11859         * calls.c (load_register_parameters): Call expand_shift instead
11860         of expand_binop with ashl_optab (or other shift optab) directly.
11861         * expr.c (emit_group_load, emit_group_store): Likewise.
11862         * function.c (assign_parm_setup_block): Likewise.
11863         * stmt.c (shift_return_value): Likewise.
11864
11865 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
11866
11867         * expr.c (expand_assignment): Disable the bitfield += optimizations.
11868
11869 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11870
11871         * doc/sourcebuild.texi: Revert previous patch.
11872
11873 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11874
11875         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
11876         TARGET_MEM_FUNCTIONS.
11877         * system.h: Poison TARGET_MEM_FUNCTIONS.
11878         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
11879         bcmp_libfunc, bzero_libfunc): Remove.
11880         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
11881         bzero_libfunc.
11882         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
11883         * doc/standards.texi: Don't mention calling BSD string functions.
11884         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
11885         * config/vax/t-memfuncs: New.
11886         * config/memcmp.c, config/memcpy.c, config/memmove.c,
11887         config/memset.c: New.
11888         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
11889         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
11890         vax/t-memfuncs.
11891         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
11892         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
11893         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
11894         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
11895         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
11896         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
11897         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
11898         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
11899         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
11900         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
11901
11902 2004-07-05  Richard Henderson  <rth@redhat.com>
11903
11904         * function.c (assign_parm_setup_reg): Properly rename variables in
11905         FUNCTION_ARG_CALLEE_COPIES section.
11906
11907 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11908
11909         * tree-mudflap.c: Include cgraph.h.
11910         (mf_init_extern_trees): Rename to mudflap_init.  Export.
11911         Rewrite to create synthetic declarations instead of looking
11912         up declarations from mf-runtime.h.
11913         (mf_make_builtin, mf_make_cache_struct_type): New functions.
11914         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
11915         Correct commentary.
11916         (execute_mudflap_function_decls, mudflap_register_call):
11917         Don't call mf_init_extern_trees.
11918         (mudflap_finish_file): Use cgraph_build_static_cdtor.
11919
11920         * tree-mudflap.h: Update prototypes.
11921         * c-mudflap.c: Delete file.
11922         * c-common.c: Include tree-mudflap.h.
11923         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
11924         * Makefile.in: Remove all references to c-mudflap.o.
11925         Update dependencies.
11926
11927 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11928
11929         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
11930         displacements with the spatial-locality cache-control completer.
11931
11932 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11933
11934         * langhooks.c: Don't include gt-langhooks.h.
11935         (var_labelno): Delete.
11936         (lhd_set_decl_assembler_name): Do not append a distinguishing
11937         number to file-scope internal-linkage declarations for the first
11938         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
11939         the declaration itself (if at block scope), or its containing
11940         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
11941         number.
11942
11943         * opts.c (cur_in_fname): New global.
11944         * opts.h: Declare it.
11945         * tree.c: Include opts.h.
11946         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
11947         DECL_UID equal to cur_in_fname.
11948         (copy_node_stat): Do not change DECL_UID when copying a
11949         TRANSLATION_UNIT_DECL.
11950         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
11951         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
11952
11953         * c-decl.c (c_static_assembler_name): Delete.
11954         * c-tree.h (c_static_assembler_name): Delete prototype.
11955         * c-lang.c, objc/objc-lang.c: Don't override
11956         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
11957
11958         * Makefile.in (tree.o): Update dependencies.
11959         (GTFILES): Remove langhooks.c.
11960
11961 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11962
11963         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
11964         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
11965         Normalize "X % C" as "X % -C" for signed modulus and negative C.
11966         Optimize "X % -Y" as "X % Y" for signed modulus.
11967         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
11968         into "((unsigned) X % Y) == 0".
11969
11970 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11971
11972         * sourcebuild.texi (Config Fragments): Use @comma{} in
11973         cross-reference to section title.
11974
11975 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11976
11977         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
11978         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
11979         (gimplify_target_expr, gimplify_expr): Likewise.
11980         (copy_if_shared_r): No longer need special case for BIND_EXPR.
11981         (unshare_body, unvisit_body): Only look at nested if BODY_P is
11982         whole function.
11983         (gimplify_compound_lval): See if we can strip any useless conversion.
11984         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
11985         from RHS, not LHS.
11986         (gimplify_modify_expr_to_memset): Likewise.
11987         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
11988         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
11989         (declare_inline_vars): Likewise.
11990         (walk_type_fields): New function.
11991         (walk_tree): Use it.
11992         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
11993
11994         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
11995         (sra_walk_modify_expr): Allow init function to fail.
11996         (scan_init): Now returns bool.
11997         (generate_element_init): If can't understand INIT, return false.
11998         (scalarize_init): Return false if generate_element_init does.
11999
12000         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
12001         print bounds.
12002
12003         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
12004         bounds if bounds aren't constant.
12005
12006         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
12007
12008         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
12009         to type hooks; remove bogus PARAMS.
12010
12011 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
12012
12013         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
12014         * dwarf2out.c (add_data_member_location_attribute): Check for
12015         TREE_BINFO.
12016         * tree.c (tree_node_kinds): Add "binfos".
12017         (binfo_lang_slots): New.
12018         (make_node_stat): Add TREE_BINFO.
12019         (make_tree_binfo_stat): New.
12020         (tree_node_structure): Add TREE_BINFO.
12021         * tree.def (TREE_BINFO): New.
12022         * tree.h (REC_OR_UNION_CHECK): Rename to ...
12023         (RECORD_OR_UNION_CHECK): ... here.
12024         (NOT_RECORD_OR_UNION_CHECK): New.
12025         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
12026         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
12027         RECORD_OR_UNION_CHECK.
12028         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
12029         (TYPE_LANG_SLOT_1): New.
12030         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
12031         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
12032         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
12033         (BINFO_ELTS): Remove.
12034         (BINFO_LANG_SLOT): New.
12035         (struct tree_binfo): New.
12036         (binfo_lang_slots): Declare.
12037         (enum tree_node_structure_enum): Add TS_BINFO.
12038         (union tree_node): Add binfo.
12039         (make_tree_binfo_stat): Declare.
12040         (make_tree_binfo): New.
12041         (enum tree_node_kind): Add binfo_kind.
12042
12043         * objc/objc-act.c (start_class, objc_declare_protocols,
12044         start_protocols): Use TYPE_LANG_SLOT_1.
12045         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
12046         to ...
12047         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
12048         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
12049         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
12050         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
12051
12052 2004-07-05  Steven Bosscher  <stevenb@suse.de>
12053
12054         * rtl.h (struct rtx_def): Remove the integrated flag.
12055         Use the return_val flag for MEM_SCALAR_P.
12056         Reshuffle and update flags in CLEAR_RTX_FLAGS.
12057
12058 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
12059
12060         PR target/16357
12061         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
12062         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
12063         move_by_pieces.
12064
12065 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
12066
12067         * var-tracking.c: Fix some comments.
12068         (frame_stack_adjust): New.
12069         (vt_stack_adjustments): Init stack_adjust of entry block to
12070         minus stack adjustment of function prologue.
12071         (adjust_stack_reference): Do not adjust if adjustment == 0.
12072         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
12073         (emit_notes_in_bb): Likewise.
12074         (vt_add_function_parameters): Do not adjust locations of
12075         function arguments.
12076         (vt_initialize): Compute the stack adjustment of function
12077         prologue and offset the initial "location" of frame_base_decl
12078         from the stack pointer after prologue.
12079
12080 2004-07-04  Richard Henderson  <rth@redhat.com>
12081
12082         * function.c (struct assign_parm_data_all): New.
12083         (struct assign_parm_data_one): New.
12084         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
12085         assign_parm_find_data_types, assign_parms_setup_varargs,
12086         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
12087         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
12088         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
12089         assign_parm_setup_block, assign_parm_setup_reg,
12090         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
12091         (assign_parms): ... here.
12092
12093 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
12094
12095         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
12096         now are bitmap_set_t's.
12097         (bitmap_insert_into_set): No point in inserting the value if
12098         it's invariant.
12099         (bitmap_set_contains): New function.
12100         (bitmap_set_replace_value): Add comment on why we do it
12101         this way.
12102         (set_contains): Removed.
12103         (bitmap_set_subtract_from_value_set): New name of
12104         set_subtract now that it's arguments are two different
12105         types of sets.
12106         Update callers.
12107         (bitmap_find_leader): Change algorithm used.
12108         (find_or_generate_expression): Update use of functions for new
12109         bitmap sets.
12110         (create_expression_by_pieces): Ditto.
12111         (insert_aux): Ditto.
12112         (insert): Ditto.
12113         (add_to_sets): Ditto.
12114         (init_pre): Ditto.
12115         (execute_pre): Ditto.
12116         (compute_avail): Ditto.
12117         Also ignore virtual phis.
12118
12119 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
12120
12121         * combine.c (simplify_comparison): Fix comment typo.
12122
12123 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12124
12125         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
12126         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
12127         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
12128         (output_restore): Change parameter from 'insn' to 'pat'.
12129         (output_return): Adjust call to output_restore.
12130         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
12131         Adjust call to output_restore.
12132
12133 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
12134
12135         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
12136         and assert system is bsd.
12137
12138 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
12139
12140         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
12141         (TARGET_SWITCHES): Remove -mdebugc.
12142         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
12143         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
12144         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
12145         (sle_[sd]i_reg): Delete.
12146
12147 2004-07-04  Steven Bosscher  <stevenb@suse.de>
12148
12149         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
12150         Define.
12151         * config/iq2000/iq2000.md: Translate old pipeline description to an
12152         equivalent new one.
12153
12154 2004-07-04  Roger Sayle  <roger@eyesopen.com>
12155
12156         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
12157         Ensure the replacement rhs is valid gimple before performing
12158         the substitution.  Return false if these sanity checks fail.
12159         (fold_stmt): Only set changed to true, if set_rhs returns true.
12160         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
12161         succeeds.
12162
12163 2004-07-04  Richard Henderson  <rth@redhat.com>
12164
12165         PR c/16348
12166         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
12167
12168 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
12169
12170         * configure.ac (ranlib_flags): New variable.
12171         * Makefile.in (RANLIB_FLAGS): New variable.
12172         (libbackend.a): Use it.
12173         * configure: Regenerated.
12174
12175 2004-07-04  Roger Sayle  <roger@eyesopen.com>
12176
12177         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
12178         a "sign mask" instead of using ashr_optab directly.
12179
12180 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
12181
12182         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
12183         * doc/cppopts.texi: Clarify processing of command-line defines.
12184
12185 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
12186
12187         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
12188
12189 2004-07-04  Richard Henderson  <rth@redhat.com>
12190
12191         * rtl.def (ADDRESSOF): Remove.
12192         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
12193         (find_base_term, memrefs_conflict_p): Likewise.
12194         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
12195         (fold_rtx, cse_insn, set_live_p): Likewise.
12196         * dwarf2out.c (mem_loc_descriptor): Likewise.
12197         (add_location_or_const_value_attribute): Likewise.
12198         * emit-rtl.c (copy_insn_1): Likewise.
12199         * explow.c (memory_address): Likewise.
12200         * expmed.c (store_split_bit_field): Likewise.
12201         * expr.c (expand_expr_real_1): Likewise.
12202         * function.c (instantiate_decl
12203         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
12204         * genrecog.c (preds, validate_pattern): Likewise.
12205         * integrate.c (copy_rtx_and_substitute): Likewise.
12206         * recog.c (general_operand, register_operand): Likewise.
12207         (memory_address_p): Likwise.
12208         * reload1.c (eliminate_regs, elimination_effects): Likewise.
12209         * rtl.c (copy_rtx): Likewise.
12210         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
12211         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
12212         * rtlhooks.c (gen_lowpart_general): Likewise.
12213         * stmt.c (expand_asm_operands): Likewise.
12214         * web.c (entry_register, replace_ref, web_main): Likewise.
12215         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
12216         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
12217         * config/arm/arm.c (thumb_rtx_costs): Likewise.
12218         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
12219         * config/frv/frv.c (move_destination_operand, move_source_operand,
12220         condexec_dest_operand, condexec_source_operand,
12221         condexec_memory_operand): Likewise.
12222         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
12223         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
12224         (destination_xfmode_operand): Likewise.
12225         * config/mips/mips.h (PREDICATE_CODES): Likewise.
12226         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
12227         * config/s390/s390.c (general_s_operand): Likewise.
12228         * config/s390/s390.md (mov*): Likewise.
12229         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
12230
12231         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
12232         * expr.c (expand_expr_real_1): Likewise.
12233         * stmt.c (expand_decl): Likewise.
12234         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
12235
12236         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
12237         postponed_insns, put_var_into_stack, put_reg_into_stack,
12238         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
12239         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
12240         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
12241         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
12242         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
12243         purge_bitfield_addressof_replacements, purge_addressof_replacements,
12244         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
12245         struct insns_for_mem_walk_info, insns_for_mem_walk,
12246         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
12247         setjmp_protect_args): Remove.
12248         (push_function_context_to): Don't handle var_refs_queue.
12249         (pop_function_context_from, free_after_compilation): Likewise.
12250         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
12251         (assign_parms, allocate_struct_function): Likewise.
12252         (use_register_for_decl): New.
12253         (expand_function_end): Don't setjmp_protect.
12254         * function.h (struct emit_status): Update commentary.
12255         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
12256         (max_parm_reg, parm_reg_stack_loc): Remove.
12257         * passes.c (DFI_addressof): Remove.
12258         (dump_file_info): Remove addressof.
12259         (rest_of_handle_addressof): Remove.
12260         (rest_of_compilation): Don't call it.
12261         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
12262         * stmt.c (expand_decl): Use use_register_for_decl.
12263         * tree.h: Update decls.
12264         * web.c (mark_addressof): Remove.
12265         * doc/invoke.texi (-dF): Remove.
12266
12267 2004-07-03  Richard Henderson  <rth@redhat.com>
12268
12269         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
12270         instead of gen_mem_addressof.
12271         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
12272         TImode output register.
12273
12274 2004-07-03  Richard Henderson  <rth@redhat.com>
12275
12276         PR tree-optimization/16341
12277         * tree-sra.c (sra_walk_function): Increment to next stmt before
12278         processing the current stmt.
12279         (sra_insert_after): Always use BSI_SAME_STMT.
12280
12281 2004-07-03  Richard Henderson  <rth@redhat.com>
12282
12283         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
12284         fp plus with minus.
12285
12286 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
12287
12288         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
12289         with tree_int_cst_equal.
12290
12291 2004-07-03  Andreas Schwab  <schwab@suse.de>
12292
12293         * config/ia64/ia64.md: Define new attribute "empty".
12294         (prologue_use, nop_x, insn_group_barrier): Set it.
12295
12296         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
12297         skip over "empty" insns.
12298
12299 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12300
12301         * tree-inline.c (initialize_inlined_parameters): Pass proper function
12302         context to gimplify_body.
12303         (walk_tree): Don't walk into types twice.
12304         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
12305
12306         * tree-sra.c (generate_element_init): Remove any useless conversions.
12307
12308         * gimplify.c (gimplify_conversion): Remove stripping useless
12309         conversions from here.
12310         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
12311         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
12312         Unshare before substituting PLACEHOLDER_EXPR.
12313         (gimplify_modify_expr_to_memset): Likewise.
12314         Pass address of TO to memset, not TO itself.
12315         (gimplify_init_constructor): Make copy of OBJECT so we have it each
12316         time we make an expression (to match a PLACEHOLDER_EXPR).
12317
12318         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
12319         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
12320         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
12321         * tree-ssa-dom.c (local_fold): Likewise.
12322
12323         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
12324         * langhooks.h (strct lang_hooks): New field type_max_size.
12325         * function.c (assign_temp): Call it.
12326
12327 2004-07-03  Steven Bosscher  <stevenb@suse.de>
12328
12329         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
12330         * config/sh/sh.md: Convert the SH1 pipeline description to
12331         a DFA model.
12332
12333 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
12334
12335         * c-decl.c (struct c_binding): Remove contour field; add
12336         depth, invisible, nested fields.
12337         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
12338         (B_IN_EXTERNAL_SCOPE): New convenience macros.
12339         (bind): Add invisible and nested arguments. Initialize
12340         new fields of struct c_binding; adjust loop scanning for
12341         insertion point.
12342         (free_binding_and_advance): Clear structure with memset.
12343         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
12344         in file scope, even if it's in external scope too.
12345         (pushdecl): Adjust to match.  Create invisible file-scope
12346         declarations for block-scope forward declarations of static functions.
12347         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
12348         (undeclared_variable, lookup_label, declare_label, define_label)
12349         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
12350         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
12351         (store_parm_decls_oldstyle): Adjust to match.
12352         (diagnose_mismatched_decls): Correct handling of linkage clashes.
12353         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
12354
12355         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
12356         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
12357
12358 2004-07-02  Richard Henderson  <rth@redhat.com>
12359
12360         * c-decl.c (grokdeclarator): Don't frob current_function_decl
12361         around variable_size.
12362         (set_decl_nonlocal): Remove.
12363         (store_parm_decls): Add stmts for pending sizes.
12364         * calls.c (calls_function, calls_function_1): Remove.
12365         (precompute_arguments): Don't call it.
12366         * cfgexpand.c (set_save_expr_context): Remove.
12367         (tree_expand_cfg): Don't call it.
12368         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
12369         (dwarf2out_finish): Likewise.
12370         * expr.c (emit_block_move): Adjust addresses to BLKmode.
12371         (store_constructor): Don't pre-evaluate SAVE_EXPR.
12372         (safe_from_p): Don't queue SAVE_EXPRs.
12373         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
12374         or build plain VAR_DECLs.
12375         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
12376         (fold): Likewise.
12377         (fold_checksum_tree): Don't special-case SAVE_EXPR.
12378         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
12379         (put_var_into_stack): Don't handle SAVE_EXPR.
12380         (gen_mem_addressof): Likewise.
12381         * function.h (struct function): Remove x_save_expr_regs.
12382         (save_expr_regs): Remove.
12383         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
12384         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
12385         * stor-layout.c (variable_size): Don't set it.
12386         (force_type_save_exprs, force_type_save_exprs_1): Remove.
12387         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
12388         all callers.  Don't set SAVE_EXPR_CONTEXT.
12389         * tree-inline.h (remap_save_expr): Update decl.
12390         * tree.c (save_expr): Update build size.
12391         (first_rtl_op): Don't handle SAVE_EXPR.
12392         (unsave_expr_1, contains_placeholder_p): Likewise.
12393         (decl_function_context): Likewise.
12394         * tree.def (SAVE_EXPR): Remove args 1 and 2.
12395         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
12396         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
12397
12398 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
12399
12400         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
12401         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
12402         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
12403         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
12404         some first-person references and patronizing comments.  Based on
12405         printed manual.
12406         * doc/invoke.texi: Don't reference fortran@gnu.org.
12407         * doc/trouble.texi (Warning when a non-void function value is
12408         ignored): Rewrite.  From Russ Allbery and Chris Devers.
12409
12410 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
12411
12412         * tree-ssa-pre.c (bitmap_set_t): New.
12413         (bb_value_sets): avail_out is now a bitmap_set_t.
12414         (bitmap_find_leader): New function.
12415         (bitmap_value_insert_into_set): Ditto.
12416         (bitmap_set_copy): Ditto.
12417         (bitmap_value_replace_in_set): Ditto.
12418         (bitmap_set_contains_value): Ditto.
12419         (bitmap_set_new): Ditto.
12420         (bitmap_set_pool): New pool.
12421         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
12422         (insert_aux): Ditto.
12423         (add_to_sets): Ditto.
12424         (compute_avail): Ditto
12425         (eliminate): Ditto.
12426         (init_pre): Ditto.
12427         (fini_pre): Ditto.
12428         (execute_pre): Ditto.
12429
12430 2004-07-02  Roger Sayle  <roger@eyesopen.com>
12431
12432         * config/rs6000/rs6000.c (struct processor_costs): New structure
12433         used to hold instruction latencies/sizes for processor types.
12434         (rs6000_cost): New global variable pointing to current CPU's costs.
12435         (rs6000_override_options): Initialize rs6000_cost to point to the
12436         appropriate cost table based upon rs6000_cpu and optimize_size.
12437         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
12438         timings inline.
12439
12440 2004-07-02  Richard Henderson  <rth@redhat.com>
12441
12442         * expmed.c (make_tree): Don't use SET_DECL_RTL.
12443
12444 2004-07-02  Steven Bosscher  <stevenb@suse.de>
12445
12446         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
12447
12448 2004-07-01  Richard Henderson  <rth@redhat.com>
12449
12450         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
12451         (alpha_gp_save_rtx): Use assign_stack_local instead of
12452         gen_mem_addressof.
12453
12454 2004-07-01  Richard Henderson  <rth@redhat.com>
12455
12456         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
12457         (alpha_rtx_cost_data): Update to match.
12458         (alpha_rtx_cost_size): New.
12459         (alpha_rtx_costs): Honor optimize_size.
12460
12461 2004-07-01  Richard Henderson  <rth@redhat.com>
12462
12463         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
12464         * cfgexpand.c (tree_expand_cfg): Do it here.
12465         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
12466         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
12467         * config/mips/mips.c (mips_output_mi_thunk): And here.
12468         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
12469         * config/sh/sh.c (sh_output_mi_thunk): And here.
12470         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
12471
12472 2004-07-01  Richard Henderson  <rth@redhat.com>
12473
12474         * tree.def (RTL_EXPR): Remove.
12475         * c-typeck.c (lvalue_p): Don't handle it.
12476         * expr.c (safe_from_p): Likewise.
12477         (expand_expr_real_1): Likewise.
12478         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
12479         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
12480         * gengtype.c (adjust_field_tree_exp): Likewise.
12481         * stmt.c (warn_if_unused_value): Likewise.
12482         * tree-gimple.c (recalculate_side_effects): Likewise.
12483         * tree-pretty-print.c (dump_generic_node): Likewise.
12484         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
12485         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
12486         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
12487
12488         * stmt.c (struct stmt_status): Remove x_last_expr_type,
12489         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
12490         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
12491         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
12492         all the bits that tracked last_expr.
12493         (expand_end_bindings): Don't track last_expr.
12494         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
12495         (clear_last_expr): Remove.
12496         (expand_asm): Don't call it.
12497         (expand_asm_operands, expand_end_cond): Likewise.
12498         (expand_naked_return, expand_null_return_1): Likewise.
12499         * c-typeck.c (c_begin_compound_stmt): Likewise.
12500         * cfgexpand.c (expand_block): Use expand_expr_stmt.
12501         * expr.c (expand_expr_real_1): Likewise.
12502         * tree.h: Update prototypes.
12503
12504         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
12505         (struct emit_status): Remove sequence_rtl_expr.
12506         (struct function): Remove x_rtl_expr_chain.
12507         (seq_rtl_expr, rtl_expr_chain): Remove.
12508         * function.c (struct temp_slot): Remove rtl_expr.
12509         (assign_stack_temp_for_type): Don't set it.
12510         (free_temp_slots, pop_temp_slots): Don't check it.
12511         (free_after_compilation): Don't clear x_rtl_expr_chain.
12512         (fixup_var_refs): Don't search it.
12513         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
12514         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
12515         or seq_rtl_expr.
12516         (push_topmost_sequence): Likewise.
12517         (end_sequence, init_emit): Likewise.
12518         (start_sequence_for_rtl_expr): Remove.
12519         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
12520         * rtl.h (preserve_rtl_expr_result): Remove.
12521
12522 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
12523
12524         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
12525         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
12526         typos.
12527
12528 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
12529
12530         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
12531         (STANDARD_STARTFILE_PREFIX_2): Define.
12532         (standard_startfile_prefix_1): Initialize to
12533         STANDARD_STARTFILE_PREFIX_1.
12534         (standard_startfile_prefix_2): Initialize to
12535         STANDARD_STARTFILE_PREFIX_2.
12536         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
12537         (STANDARD_STARTFILE_PREFIX_1): Define.
12538         (STANDARD_STARTFILE_PREFIX_2): Define.
12539         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
12540         (STANDARD_STARTFILE_PREFIX_2): Document.
12541
12542 2004-07-01  Richard Henderson  <rth@redhat.com>
12543
12544         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
12545         in order to disable scalarization.  Instead set a flag and wait
12546         for a candidate decl.
12547
12548 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12549
12550         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
12551         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
12552         Use terminology "testsuite" and "enumerated".
12553
12554 2004-07-01  Richard Henderson  <rth@redhat.com>
12555
12556         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
12557         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
12558         (initial_return_save): Likewise.
12559         (flush_queued_reg_saves): Remap register numbers.
12560         (dwarf2out_return_reg): Likewise.
12561
12562 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12563
12564         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
12565
12566         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
12567         access functions for lower bound and element size and only output
12568         if lower bound nonzero or element size not same as that of type.
12569         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
12570
12571 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12572
12573         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
12574
12575 2004-07-01  Per Bothner  <per@bothner.com>
12576
12577         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
12578
12579 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
12580
12581         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
12582         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
12583         first operand.  Don't optimize if the bitfield is volatile.
12584
12585 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12586
12587         * c-pretty-print.c (pp_c_postfix_expression): Handle
12588         floating-point comparison operators.
12589         (pp_c_expression): Pass floating-point comparison
12590         operators to pp_c_postfix_expression.
12591
12592 2004-07-01  Roger Sayle  <roger@eyesopen.com>
12593
12594         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
12595         rtx_cost instead of "had_mult" to determine whether the transformed
12596         expression is cheaper than the original.
12597
12598 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
12599
12600         * alias.c (get_alias_set, canon_rtx, get_addr,
12601         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
12602         Use MEM_P.
12603         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
12604         expand_builtin): Likewise.
12605         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
12606         Likewise.
12607         * combine.c (can_combine_p, combinable_i3pat, try_combine,
12608         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
12609         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
12610         record_dead_and_set_regs_1, get_last_value_validate,
12611         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
12612         * cse.c (check_dependence, canon_hash, equiv_constant,
12613         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
12614         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
12615         count_reg_usage): Likewise.
12616         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
12617         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
12618         cselib_record_sets): Likewise.
12619         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
12620         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
12621         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
12622         * df.c (df_uses_record): Likewise.
12623         * dojump (do_jump): Likewise.
12624         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
12625         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
12626         decl_start_label): Likewise.
12627         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
12628         operand_subword, change_address_1, make_safe_from): Likewise.
12629         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
12630         stabilize, force_not_mem): Likewise.
12631         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
12632         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
12633         * expr.c (convert_move, convert_modes, emit_block_move,
12634         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
12635         emit_move_insn_1, expand_assignment, store_expr,
12636         store_constructor_field, store_constructor, store_field,
12637         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
12638         Likewise.
12639         * final.c (cleanup_subreg_operands, alter_subreg,
12640         get_mem_expr_from_op): Likewise.
12641         * flow.c (notice_stack_pointer_modification_1,
12642         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
12643         Likewise.
12644         * function.c (mark_temp_addr_taken, preserve_temp_slots,
12645         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
12646         optimize_bit_field, flush_addressof, purge_addressof_1,
12647         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
12648         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
12649         keep_stack_depressed): Likewise.
12650         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
12651         noce_process_if_block, find_memory): Likewise.
12652         * integrate.c (subst_constants, allocate_initial_values): Likewise.
12653         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
12654         update_equiv_regs): Likewise.
12655         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
12656         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
12657         * optabs.c (expand_abs, emit_unop_insn): Likewise.
12658         * passes.c (rest_of_handle_final): Likewise.
12659         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
12660         move2add_note_store): Likewise.
12661         * ra-build.c (detect_remat_webs): Likewise.
12662         * ra-debug.c (dump_static_insn_cost): Likewise.
12663         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
12664         * recog.c (validate_change, apply_change_group, cancel_changes,
12665         validate_replace_rtx_1, general_operand, register_operand,
12666         nonmemory_operand, push_operand, pop_operand, memory_operand,
12667         indirect_operand, asm_operand_ok, offsettable_memref_p,
12668         offsettable_nonstrict_memref_p, constrain_operands,
12669         store_data_bypass_p): Likewise.
12670         * reg-stack.c (subst_stack_regs_pat): Likewise.
12671         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
12672         copy_cost, reg_scan_mark_refs): Likewise.
12673         * regmove.c (optimize_reg_copy_3, stack_memref_p,
12674         combine_stack_adjustments_for_block): Likewise.
12675         * regrename.c (copyprop_hardreg_forward_1): Likewise.
12676         * reload.c (can_reload_into, push_reload, decompose, immune_p,
12677         find_reloads, find_reloads_address, find_reloads_address_1,
12678         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
12679         find_equiv_reg): Likewise.
12680         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
12681         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
12682         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
12683         delete_address_reloads): Likewise.
12684         * resource.c (mark_referenced_resources): Likewise.
12685         * rtlanal.c (get_jump_table_offset, count_occurrences,
12686         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
12687         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
12688         num_sign_bit_copies1): Likewise.
12689         * rtlhooks.c (gen_lowpart_general): Likewise.
12690         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
12691         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
12692         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
12693         sdbout_global_decl): Likewise.
12694         * simplify-rtx.c (simplify_subreg): Likewise.
12695         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
12696         expand_anon_union_decl, expand_end_case_type): Likewise.
12697         * unroll.c (calculate_giv_inc): Likewise.
12698         * var-tracking.c (stack_adjust_offset_pre_post,
12699         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
12700         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
12701         vt_add_function_parameters): Likewise.
12702         * varasm.c (make_var_volatile, notice_global_symbol,
12703         assemble_external, decode_addr_const, mark_weak,
12704         default_encode_section_info): Likewise.
12705
12706 2004-07-01  Steven Bosscher  <stevenb@suse.de>
12707
12708         * stmt.c (check_seenlabel): Remove.
12709         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
12710
12711 2004-07-01  Richard Henderson  <rth@redhat.com>
12712
12713         * function.h (struct function): Remove x_function_call_count.
12714         (function_call_count): Remove.
12715         * calls.c (expand_call): Don't set it.
12716         * integrate.c (copy_rtx_and_substitute): Likewise.
12717
12718         * function.h (struct function): Remove x_cleanup_label.
12719         (cleanup_label): Remove.
12720         * stmt.c (expand_value_return): Don't use it.
12721         * function.c (free_after_compilation): Don't set it.
12722         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
12723         * cfgexpand.c (tree_expand_cfg): Update call.
12724         * tree.h (expand_function_start): Update decl.
12725
12726 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12727
12728         PR c/1027
12729         * c-lang.c (c_initialize_diagnostics): Move from here ...
12730         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
12731         (c_tree_printer): Use pretty-printer to format %T.
12732         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
12733         before '*' if not C++.
12734         (pp_c_direct_abstract_declarator): Don't try to print array upper
12735         bound for flexible array members.
12736         * c-tree.h: Include "diagnostic.h".
12737         (c_initialize_diagnostics): Declare.
12738         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
12739         * c-format.c (format_type_warning): New function.  Improve
12740         diagnostics for incorrect format argument types.
12741         (check_format_types): Use it.  Add two parameters.  Use the
12742         TYPE_MAIN_VARIANT of wanted_type.
12743         (check_format_info_main): Pass new parameters to
12744         check_format_types.
12745         (struct format_wanted_type): Update comment.
12746
12747 2004-07-01  Nick Clifton  <nickc@redhat.com>
12748
12749         * target.h (struct gcc_target): Add new field to struct cxx:
12750         import_export_class.
12751         * target-def.h (TARGET_CXX): Initialise the new field.
12752         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
12753         the new field.
12754         * doc/tm.texi: Document the new target hook.
12755
12756 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12757
12758         * builtins.c (fold_builtin_classify): Fix typo.
12759
12760 2004-07-01  Richard Henderson  <rth@redhat.com>
12761
12762         * function.c (identify_blocks, identify_blocks_1): Remove.
12763         * function.h (identify_blocks): Remove.
12764         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
12765
12766 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12767
12768         * builtins.c (fold_builtin_classify): New.
12769         (fold_builtin_unordered_cmp): Fix commentary.
12770         (fold_builtin): Use it.
12771         * builtins.def: Define builtins for isnan,
12772         isnanf, isnanl, finite, finitef, finitel,
12773         isinf, isinff, isinfl.
12774
12775 2004-07-01  Richard Henderson  <rth@redhat.com>
12776
12777         * function.h (struct function): Remove dont_emit_block_notes.
12778         * gimple-low.c (lower_function_body): Don't set it.
12779         * cfgexpand.c (expand_block): Don't check it.
12780         * cfglayout.c (insn_locators_initialize): Likewise.
12781         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
12782         * passes.c (rest_of_compilation): Likewise.
12783         * stmt.c (expand_start_bindings_and_block): Likewise.
12784         (expand_end_bindings): Likewise.
12785
12786 2004-07-01  Richard Henderson  <rth@redhat.com>
12787
12788         * cgraph.h (cgraph_build_static_cdtor): Declare.
12789         * cgraphunit.c (cgraph_build_static_cdtor): New.
12790         * c-objc-common.c (build_cdtor): Use it.
12791         * coverage.c (create_coverage): Likewise.
12792         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
12793         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
12794
12795 See ChangeLog.11 for earlier changes.