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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
2
3         * tree.h (build_int_cst): New.
4         (build_int_2): Remove.
5         * tree.c (build_int_2): Remove.
6         (build_int_cst): New.
7         (make_vector_type, build_common_tree_nodes,
8         build_common_tree_nodes_2): Use build_int_cst.
9         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
10         expand_builtin_strpbrk, expand_builtin_fputs,
11         build_string_literal, expand_builtin_printf,
12         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
13         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
14         fold_builtin_isdigit, simplify_builtin_strstr,
15         simplify_builtin_strpbrk, fold_builtin_fputs,
16         simplify_builtin_sprintf): Use build_int_cst.
17         * c-common.c (start_fname_decls, fix_string_type,
18         c_common_nodes_and_builtins, c_init_attributes,
19         shorten_compare): Likewise.
20         * c-decl.c (complete_array_type,
21         check_bitfield_type_and_width): Likewise.
22         * c-lex.c (interpret_integer, lex_charconst): Likewise.
23         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
24         * c-pretty-print.c (pp_c_integer_constant): Likewise.
25         * c-typeck.c (really_start_incremental_init, push_init_level,
26         set_nonincremental_init_from_string): Likewise.
27         * calls.c (load_register_parameters): Likewise.
28         * convert.c (convert_to_pointer): Likewise.
29         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
30         build_fn_info_type, build_ctr_info_value, build_gcov_info):
31         Likewise.
32         * except.c (init_eh, assign_filter_values, assign_filter_values):
33         Likewise.
34         * expmed.c (store_fixed_bit_field, extract_bit_field,
35         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
36         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
37         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
38         * expr.c (convert_move, emit_group_load, emit_group_store,
39         expand_assignment, store_constructor, store_field,
40         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
41         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
42         invert_truthvalue, optimize_bit_field_compare,
43         decode_field_reference, all_ones_mask_p, constant_boolean_node,
44         fold_div_compare, fold, fold_read_from_constant_string,
45         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
46         * function.c (assign_parm_setup_block): Likewise.
47         * stmt.c (shift_return_value, expand_end_case_type,
48         estimate_case_costs): Likewise.
49         * stor-layout.c (layout_type, initialize_sizetypes,
50         set_min_and_max_values_for_integral_type): Likewise.
51         * tree-chrec.c (chrec_fold_multiply_poly_poly,
52         reset_evolution_in_loop): Likewise.
53         * tree-chrec.h (build_polynomial_chrec): Likewise.
54         * tree-complex.c (build_replicated_const): Likewise.
55         * tree-eh.c (honor_protect_cleanup_actions,
56         lower_try_finally_onedest, lower_try_finally_copy,
57         lower_try_finally_switch): Likewise.
58         * tree-mudflap.c (mf_build_string, mx_register_decls,
59         mudflap_register_call, mudflap_enqueue_constant): Likewise.
60         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
61         * tree-pretty-print.c (dump_generic_node): Likewise.
62         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
63         Likewise.
64         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
65         * tree-ssa-loop-niter.c (number_of_iterations_cond,
66         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
67         Likewise.
68         
69         * config/alpha/alpha.c (alpha_initialize_trampoline,
70         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
71         * config/arm/arm.c (arm_get_cookie_size): Likewise.
72         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
73         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
74         * config/i860/i860.c (i860_va_start): Likewise.
75         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
76         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
77         mips_gimplify_va_arg_expr): Likewise.
78         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
79         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
80         add_compiler_branch_island): Likewise.
81         * config/s390/s390.c (s390_va_start): Likewise.
82         * config/sh/sh.c (sh_va_start): Likewise.
83         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
84         Likewise.
85         * config/xtensa/xtensa.c (xtensa_va_start,
86         xtensa_gimplify_va_arg_expr): Likewise.
87         
88         * objc/objc-act.c (build_objc_string_object,
89         build_objc_symtab_template, init_def_list, init_objc_symtab,
90         init_module_descriptor, generate_static_references,
91         build_selector_translation_table, get_proto_encoding,
92         build_typed_selector_reference, build_selector_reference,
93         build_next_objc_exception_stuff,
94         build_method_prototype_list_template, generate_descriptor_table,
95         generate_protocols, build_protocol_initializer,
96         build_ivar_list_template, build_method_list_template,
97         build_ivar_list_initializer, generate_ivars_list,
98         generate_dispatch_table, generate_protocol_list,
99         build_category_initializer, build_shared_structure_initializer,
100         generate_shared_structures, handle_impent,
101         generate_objc_image_info): Use build_int_cst.
102
103 2004-08-15  Ben Elliston  <bje@au.ibm.com>
104
105         * vec.h: Comment improvements.
106
107 2004-08-14  Roger Sayle  <roger@eyesopen.com>
108
109         * c-common.c (shorten_compare, pointer_int_sum,
110         c_common_truthvalue_conversion, boolean_increment): Replace calls
111         to build with calls to buildN.
112         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
113         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
114         gimplify_switch_stmt): Likewise.
115         * c-typeck.c (default_function_array_conversion,
116         build_component_ref, build_array_ref, build_function_call,
117         pointer_diff, build_unary_op, build_conditional_expr,
118         build_compound_expr, build_modify_expr, c_finish_goto_label,
119         c_finish_goto_ptr, c_finish_return, c_finish_loop,
120         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
121         build_binary_op): Likewise.
122
123 2004-08-15  Steven Bosscher  <stevenb@suse.de>
124
125         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
126
127 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
128
129         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
130         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
131         * fixinc/fixincl.x: Rebuilt.
132
133 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
134
135         * config/mips/mips-protos.h (mips_symbolic_constant_p)
136         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
137         (mips_small_data_pattern_p): Declare.
138         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
139         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
140         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
141         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
142         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
143         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
144         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
145         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
146         (pc_or_label_operand, call_insn_operand, move_operand)
147         (consttable_operand, symbolic_operand, general_symbolic_operand)
148         (global_got_operand, local_got_operand, stack_operand)
149         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
150         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
151         (mips_small_data_pattern_p): Replace previous small_data_pattern
152         predicate.  Turn into a bool () (rtx) function.
153         * config/mips/predicates.md: New file.
154         * config/mips/mips.md: Include it.  Use the target-independent
155         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
156         trap_comparison_operator and equality_op to equality_operator.
157         Replace uses of small_int with the equivalent const_arith_operand.
158         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
159         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
160         to fcc_reload_operand.
161         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
162
163 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
164
165         PR libstdc++/17005 partial fix.
166         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
167         except when generating ANSI/C89 code.
168
169 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
170
171         * c-common.c (shorten_compare): Use force_fit_type directly.
172
173 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
174             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
175             Dave Korn  <dk@artimi.com>
176
177         * doc/install.texi (Building): Avoid duplicate reference to GNU
178         make requirement.
179         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
180
181 2004-08-14  Richard Henderson  <rth@redhat.com>
182
183         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
184         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
185
186 2004-08-13  Richard Henderson  <rth@redhat.com>
187
188         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
189         for constant_call_address_operand.
190         (call_value_pop_1, call_value_1): Likewise.
191         (sibcall_value_1, call_value_1_rex64): Likewise.
192
193 2004-08-13  James E Wilson  <wilson@specifixinc.com>
194
195         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
196         Correct mode from SFmode to DFmode.
197
198 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
199
200         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
201         __cstring_object and __image_info sections with the no_dead_strip
202         attribute.
203
204 2004-08-13  Roger Sayle  <roger@eyesopen.com>
205             David Billinghurst  <David.Billinghurst@riotinto.com>
206
207         PR libgfortran/15930
208         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
209         * fixinc/fixincl.x: Regenerate.
210         * fixinc/tests/base/internal/math_core.h: New file.
211
212 2004-08-13  Richard Henderson  <rth@redhat.com>
213
214         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
215         (dbxout_function_end): Remove ifdefs for it.
216         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
217
218 2004-08-13  Richard Henderson  <rth@redhat.com>
219
220         * Makefile.in (insn-preds.o): Depend on TREE_H.
221         * genpreds.c (write_insn_preds_c): Include tree.h.
222         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
223         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
224         const48_operand, and_operand, or_operand, mode_width_operand,
225         mode_mask_operand, mul8_operand, const0_operand,
226         hard_fp_register_operand, hard_int_register_operand,
227         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
228         samegp_function_operand, direct_call_operand, small_symbolic_operand,
229         global_symbolic_operand, call_operand, symbolic_operand, 
230         dtp16_symbolic_operand, dtp32_symbolic_operand,
231         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
232         gottp_symbolic_operand, alpha_comparison_operator,
233         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
234         signed_comparison_operator, alpha_fp_comparison_operator,
235         divmod_operator, fix_operator, aligned_memory_operand,
236         unaligned_memory_operand, reg_or_unaligned_mem_operand,
237         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
238         reg_no_subreg_operand, addition_operation): Move to predicates.md.
239         (reg_or_const_int_operand): Remove.  Replace all users with
240         reg_or_cint_operand.
241         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
242         (resolve_reload_operand): Split out of aligned_memory_operand.
243         * config/alpha/alpha-protos.h: Update for exports.
244         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
245         * config/alpha/alpha.md: Include predicates.md.
246         * config/alpha/predicates.md: New file.
247
248 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
249
250         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
251         fields with a pointer to the instruction definition.
252         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
253         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
254         (write_attr_case, write_const_num_delay_slots): Update accordingly.
255         (write_attr_case, write_const_num_delay_slots): Write the name of
256         an insn next to its case statement.
257         * genoutput.c (data): Add a filename field.
258         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
259         (output_insn_data): Print the location of each insn definition.
260         * genrecog.c (write_action): Print the name of an insn above
261         the statement that returns its code.
262
263 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
264
265         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
266         * config/libgloss.h: Likewise.
267         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
268         * c4x/c4x-modes.def: Likewise.
269         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
270         (c4x_rptb_nop_p): Likewise.
271         (c4x_rptb_valid_p): Likewise.
272         (c4x_rptb_insert): Likewise.
273         (c4x_address_conflict): Likewise.
274         * config/c4x/c4x.md: Likewise.
275         * config/frv/frv.md: Likewise.
276         * config/i386/athlon.md: Likewise.
277         * config/i386/i386.md: Likewise.
278         * config/i386/predicates.md: Likewise.
279         * config/ia64/ia64.c: Likewise.
280         * config/ia64/itanium1.md: Likewise.
281         * config/ia64/itanium2.md: Likewise.
282         * config/iq2000/iq2000.md: Likewise.
283         * config/mcore/mcore.c: Likewise.
284         * config/mips/mips.c: Likewise.
285         * config/mips/r3900.h: Likewise.
286         * config/mips/sb1.md: Likewise.
287         * config/pa/milli64.S: Likewise.
288         * config/pa/pa.c: Likewise.
289         * config/pa/pa.h: Likewise.
290         * config/rs6000/8540.md: Likewise.
291
292 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
293
294         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
295
296 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
297
298         * sh.md (cbranch define_delay) Use cond_delay_slot for
299         non-anulled condition too.
300
301 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
302
303         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
304         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
305         any_parallel_operand, lmw_operation, stmw_operation,
306         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
307         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
308         any_parallel_operand.
309         (return_and_restore_fpregs_{si,di}): Same.
310
311 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
312
313         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
314         if pred->singleton != PARALLEL, issue a warning and pretend it was.
315         Also issue a warning for any predicate we don't know about.
316
317 2004-08-12  Richard Henderson  <rth@redhat.com>
318
319         * config/i386/i386.c (internal_label_prefix): Export.
320         (internal_label_prefix_len, struct ix86_address,
321         ix86_decompose_address, maybe_get_pool_constant,
322         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
323         memory_address_length): Export.
324         (any_fp_register_operand, fp_register_operand,
325         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
326         x86_64_general_operand, x86_64_szext_general_operand,
327         x86_64_nonmemory_operand, x86_64_movabs_operand,
328         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
329         x86_64_zext_immediate_operand, const_int_1_31_operand,
330         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
331         tls_symbolic_operand, global_dynamic_symbolic_operand,
332         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
333         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
334         constant_call_address_operand, const0_operand, const1_operand,
335         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
336         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
337         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
338         general_no_elim_operand, nonmemory_no_elim_operand,
339         index_register_operand, q_regs_operand, flags_reg_operand,
340         non_q_regs_operand, zero_extended_scalar_load_operand,
341         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
342         ix86_comparison_operator, ix86_carry_flag_operator,
343         fcmov_comparison_operator, promotable_binary_operator,
344         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
345         mult_operator, div_operator, arith_or_logical_operator,
346         memory_displacement_operand, cmpsi_operand, long_memory_operand,
347         aligned_operand): Move to predicates.md as define_predicates.
348         (tls_symbolic_operand_1): Remove.
349         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
350         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
351         (legitimize_address): Merge tls_symbolic_operand contents.
352         (ix86_expand_move): Likewise.
353         * config/i386/i386-protos.h: Update for exports.
354         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
355         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
356         * config/i386/i386.md: Include predicates.md.
357         * config/i386/predicates.md: New file.
358
359 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
360
361         PR c++/16924
362         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
363         SYMBOL_REF_DECL.
364         (i386_pe_mark_dllimport): Likewise.
365         (i386_pe_encode_section_info): Likewise, when overriding
366         dllimport attribute.
367
368 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
369
370         * configure.ac: When testing for flex, nm, ar, and bison, check
371         that they will actually be built.
372         * configure: Regenerate.
373
374 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
375
376         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
377         (MOVE_MAX_PIECES): Define.
378
379 2004-08-12  Devang patel  <dpatel@apple.com>
380
381         * dbxout.c (dbxout_begin_prologue): New function.
382         (dbx_debug_hooks): Use new begin prologue hook.
383         (dbxout_function_end): Emit N_ENSYM.
384         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
385
386 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
387
388         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
389         argument is float*.
390
391         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
392         for vec_dss.
393
394         * doc/extend.texi (AltiVec builtins): Fix description for recent
395         changes.  Update operation list to match current support.
396
397 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
398
399         * config/s390/s390.c (struct s390_frame_layout): New struct as element
400         of struct machine_function.
401         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
402         changed all uses.
403         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
404         changed all uses.
405         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
406         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
407         (s390_frame_area, s390_register_info): New functions.
408         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
409         for base register.
410         (s390_return_addr_rtx, s390_return_address_offset)
411         (s390_va_start, s390_gimplify_va_arg)
412         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
413         layouts.
414         (s390_frame_info): Functionality partly moved to s390_register_info.
415         Made adaptions for new stack layout.
416         (save_gprs, restore_gprs): Changed meaning of second parameter and
417         adapted all callers.
418
419         * config/s390/s390.h (s390_backchain_string): New global variable.
420         (MASK_BACKCHAIN): Removed definition.
421         (TARGET_BACKCHAIN): Changed check.
422         (TARGET_KERNEL_BACKCHAIN): New macro.
423         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
424         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
425         "kernel-backchain".
426         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
427
428         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
429         as condition.  Adjusted for new stack layout.
430
431         * doc/invoke.texi: Added documentation for new option
432         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
433         "-mno-backchain".
434
435 2004-08-12  Paul Brook  <paul@codesourcery.com>
436
437         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
438         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
439
440 2004-08-12  David Daney  <ddaney@avtrex.com>
441
442         * java/gcj.texi:  Add subsection on signal usage.
443
444 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
445
446         * expr.c (move_by_pieces): Set alignment for move to minimum of
447         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
448         alignment, but not less than the original alignment.
449         (move_by_pieces_ninsns): Same.
450         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
451         (store_by_pieces_1): Same.
452
453 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
454
455         PR tree-optimization/16867
456         * tree.c (is_global_var): New function.
457         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
458         Call is_global_var.
459         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
460         Update all users.
461         (is_global_var): Declare.
462         * tree-dfa.c (dump_variable): Display global and addressable
463         attributes.
464         (add_referenced_var): Clarify documentation when marking
465         variables call-clobbered.
466         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
467         instead of needs_to_live_in_memory.
468         (mark_call_clobbered): If the variable is a tag, mark it
469         DECL_EXTERNAL.
470         * tree-gimple.c (is_gimple_reg): Don't check for
471         TREE_ADDRESSABLE.
472         (is_gimple_non_addressable): Likewise.
473         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
474         needs to be marked call-clobbered.
475         (setup_pointers_and_addressables): Call is_global_var instead
476         of needs_to_live_in_memory.
477         * tree-ssa-dce.c (need_to_preserve_store): Remove.
478         Update all users with is_global_var.
479         (mark_stmt_if_obviously_necessary): Fix processing of aliased
480         stores.  Don't check the virtual definitions.  Rather, check
481         whether the store is going into global memory.
482         (find_obviously_necessary_stmts): Get the symbol from the PHI
483         result.
484         * tree-ssa-operands.c (get_call_expr_operands): Do not add
485         clobbering may-defs if the call does not have side effects.
486
487 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
488
489         PR c++/16276
490         * output.h (default_function_rodata_section,
491         default_no_function_rodata_section): New prototypes.
492         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
493         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
494         (TARGET_ASM_OUT): Add it.
495         * varasm.c (default_function_rodata_section,
496         default_no_function_rodata_section): New functions.
497         * final.c (final_scan_insn): Call
498         targetm.asm_out.function_rodata_section instead of
499         readonly_data_section.
500         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
501         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
502         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
503         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
504         Likewise.
505         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
506         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
507         Likewise.
508         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
509         Likewise.
510         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
511         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
512         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
513
514 2004-08-12  Paul Brook  <paul@codesourcery.com>
515
516         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
517         frame info.
518         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
519         DWARF2_UNWIND_INFO.
520
521 2004-08-12  Ben Elliston  <bje@au.ibm.com>
522
523         PR target/16286
524         * config/rs6000/altivec.h: Change vector to __vector throughout.
525         (Except for the `vector' macro itself).
526
527 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
528
529         * genpreds.c: Add capability to generate predicate bodies as
530         well as function prototypes.  Write function prototypes for
531         the generic predicates too.
532         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
533         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
534         (write_match_code, write_predicate_expr, write_one_predicate_function)
535         (parse_option): New functions.
536         (output_predicate_decls): Delete.
537         (main): Read the machine description, process DEFINE_PREDICATE or
538         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
539         as appropriate.
540
541         * genrecog.c (struct decision_test): Replace index with
542         struct pred_data pointer.
543         (next_index): Remove, unused.
544         (pred_table, preds, special_mode_pred_table): Delete.
545         (compute_predicate_codes, process_define_predicate): New functions.
546         (validate_pattern, add_to_sequence, write_switch): Update for
547         new data structures.
548         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
549         Check both error_count and have_error.
550
551         * gensupport.c (in_fname, first_predicate): New globals.
552         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
553         (predicate_table, last_predicate, old_pred_table)
554         (old_special_pred_table): New statics.
555         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
556         (add_predicate, init_predicate_table): New functions.
557         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
558         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
559         it or max_include_len.  Call init_predicate_table.
560         (read_rtx): Run the predicate queue after the attribute queue
561         but before all the others.
562         * gensupport.h (in_fname, struct pred_data, first_predicate)
563         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
564         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
565         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
566         * dummy-conditions.c: Don't include bconfig.h, system.h,
567         coretypes.h, tm.h, or system.h.  Do include stddef.h.
568         Duplicate declaration of struct c_test from gensupport.h.
569
570         * Makefile.in (OBJS-common): Add insn-preds.o.
571         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
572         (insn-preds.c, insn-preds.o): New rules.
573         (s-preds): Also generate insn-preds.c.
574         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
575         Update dependencies.
576         (print-rtl.o, print-rtl1.o): Correct dependencies.
577
578         * recog.h: Delete prototypes of predicate functions.
579
580         * doc/md.texi (Predicates): New section with complete
581         documentation of operand/operator predicates.  Remove some
582         incomplete documentation of predicates from other places.
583         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
584         PREDICATE_CODES; indicate that both are deprecated in favor
585         of define_predicate/define_special_predicate.
586
587         * config/ia64/ia64.c: All predicate function definitions moved
588         to ia64.md, except
589         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
590         (ia64_expand_load_address, ia64_expand_move):
591         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
592
593         * config/ia64/ia64.md: All predicates now defined here.
594         (symbolic_operand): Is now a special predicate.
595
596         * config/ia64/ia64.h: Declare ia64_section_threshold.
597         (PREDICATE_CODES): Delete.
598
599 2004-08-12  Richard Henderson  <rth@redhat.com>
600
601         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
602         * c-semantics.c (add_stmt): Set it.
603         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
604         before instantiating a variable sized type.
605
606 2004-08-12  Richard Henderson  <rth@redhat.com>
607
608         * stor-layout.c (round_up, round_down): Move ...
609         * fold-const.c (round_up, round_down): ... here.  Use
610         multiple_of_p to avoid any arithmetic at all.
611
612 2004-08-12  Richard Henderson  <rth@redhat.com>
613
614         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
615         (gimplify_init_ctor_preeval_1): New.
616         (gimplify_init_ctor_preeval): New.
617         (gimplify_init_ctor_eval): New.
618         (gimplify_init_constructor): Use them.  Always gimplify the LHS
619         object first.
620
621 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
622
623         (This patch is part of merge of objc-improvements-branch
624         into mainline.)
625
626         * doc/frontends.texi: Mention Objective-C++ in addition to
627         Objective-C.
628         * doc/install.texi: Add 'obj-c++' to list of configurable
629         languages.
630         * doc/invoke.texi: Rename Objective-C option headings to
631         indicate they also apply to Objective-C++.  List file
632         extensions for Objective-C++ sources.  Mention that
633         ObjC and ObjC++ compilations may also use C and C++ options,
634         respectively.  Point users to doc/standards.texi for
635         further info on ObjC and ObjC++.
636         * doc/sourcebuild.texi: Mention the objcp/ directory and
637         the Objective-C++ sources it contains.
638         * doc/standards.texi: Update link to Apple ObjC site;
639         add link to gcc readings.html WWW doc.
640
641 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
642
643         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
644         and 2004-07-14 changes.
645
646 2004-08-12  Paul Brook  <paul@codesourcery.com>
647
648         * doc/invoke.texi: Fix typo.
649
650 2004-08-11 Devang Patel  <dpatel@apple.com>
651
652         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
653         and -no_dead_strip_inits_and_terms.
654         (LINK_SPEC): Same.
655         * doc/invoke.texi (Darwin Options): Document -dead_strip and
656         -no_dead_strip_inits_and_terms.
657
658 2004-08-11  Paul Brook  <paul@codesourcery.com>
659
660         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
661         (arm_load_pic_register): ... to this.
662         * config/arm/arm.c (arm_finalize_pic): Rename ...
663         (arm_load_pic_register): ... to this.  Always output insns at the
664         current location.  Load via low reg in thumb mode.
665         (arm_expand_prologue): Call arm_load_pic_register.
666         (thumb_expand_prologue): Ditto.
667         * config/arm/arm.h (FINALIZE_PIC): Remove.
668         * config/arm/arm.md (builtin_setjmp_receiver): Call
669         arm_load_pic_register.
670
671 2004-08-11  Paul Brook  <paul@codesourcery.com>
672
673         * arm.c (thumb_force_lr_save): Add prototype.
674         (thumb_compute_save_reg_mask): New function.
675         (thumb_find_work_register): New function.
676         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
677         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
678         Don't clobber r3 when removing pretend args.
679         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
680         (thumb_output_function_prologue): Use new functions.
681         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
682         * arm.h (THUMB_REG_PUSHED_P): Remove.
683
684 2004-08-11  James E Wilson  <wilson@specifixinc.com>
685
686         PR rtl-optimization/16490
687         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
688         global_live_at_end for new basic block if already set for other blocks.
689
690 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
691
692         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
693
694         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
695         (mfcr rlwinm rlwinm patterns): Set length to 12.
696
697 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
698
699         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
700         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
701         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
702         (start_ssa_stmt_operands): Delete.
703         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
704         struct stmt_operands_d.
705         (build_ssa_operands): New extern entry point.
706         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
707         building code, replace with create_ssa_artficial_load_stmt().
708         * tree-ssa-operands.c (struct voperands_d): Delete.
709         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
710         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
711         (free_uses, free_defs, free_vuses, free_v_may_defs,
712         free_v_must_defs): Remove dealloc parameter.
713         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
714         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
715         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
716         vector comparisons, ssa_name reuse, and allocations here.
717         (verify_start_operands): Delete.
718         (finalize_ssa_stmt_operands): Set new operands by calling finalize
719         routines.
720         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
721         (append_def, append_usei): Simplify to simple accumulation.
722         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
723         duplicates and simple accumulation.
724         (free_ssa_operands): Free vectors in a stmt_operand structure.
725         (build_ssa_operands): New. Create a new stmt_operand structure from
726         a stmt and an old set of stmt_operands.
727         (get_stmt_operands): Simplify and call build_ssa_operands.
728         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
729         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
730         add_call_read_ops): Don't pass prev_vops around anymore.
731         (note_addressable): Return if no stmt annotation.
732         (copy_virtual_operands): Access v_may_def operands through a struct.
733         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
734         hash tables without treating the stmt as a real stmt.
735         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
736         v_may_def def and use through a struct instead of 2 array elements.
737         (struct v_may_def_optype_d): Use v_may_def_operand_type.
738         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
739
740 2004-08-11  Nick Clifton  <nickc@redhat.com>
741
742         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
743         this funciton's behaviour.  Return true when the current function
744         has a section attribute and -mlong-calls is in effect.
745         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
746         short-call marker when -mlong-calls is in effect and the function
747         has a section attribute.
748
749 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
750
751         * stmt.c (expand_return): If asked to return the RESULT_DECL,
752         just call expand_value_return on result_rtl.
753
754 2004-08-10  Richard Henderson  <rth@redhat.com>
755
756         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
757         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
758         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
759         (add_location_or_const_value_attribute): ... not here.  Use
760         loc_descriptor_from_tree if possible.
761         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
762         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
763         values specially.
764         (loc_descriptor_from_tree): New.  Update callers.
765         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
766         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
767         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
768         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
769         and BUILT_IN_STACK_RESTORE.
770         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
771         * stmt.c (expand_stack_alloc): Remove.
772         * tree-mudflap.c (mx_register_decls): Don't look for
773         BUILT_IN_STACK_ALLOC.
774         * tree-nested.c (convert_local_reference): Likewise.
775         * tree.h (DECL_VALUE_EXPR): New.
776
777 2004-08-10  Richard Henderson  <rth@redhat.com>
778
779         * stor-layout.c (round_up): Check for 0/1 before dividing.
780         (round_down): Likewise.
781
782         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
783
784 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
785
786         * config.gcc (arm*-*-eabi*): New target.
787         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
788         (TARGET_LIB_INT_CMP_BIASED): Likewise.
789         * expmed.c (expand_divmod): Try a two-valued divmod function as a
790         last resort.
791         * gthr.h: Remove bogus tokens at end of #pragma.
792         * optabs.c (expand_twoval_binop_libfunc): New function.
793         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
794         (prepare_float_lib_cmp): Try reversing the condition.
795         (debug_optab_libfuncs): New function.
796         * optabs.h (expand_twoval_binop_libfunc): Declare.
797         * config/arm/arm.c (arm_init_libfuncs): New function.
798         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
799         (TARGET_INIT_LIBFUNCS): Define it.
800         * config/arm/arm.h (TARGET_BPABI): New macro.
801         * config/arm/arm-protos.h
802         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
803         * config/arm/bpabi.S: New file.
804         * config/arm/bpabi.c: Likewise.
805         * config/arm/bpabi.h: Likewise.
806         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
807         (__aeabi_drsub): Likewise.
808         (__aeabi_dsub): Likewise.
809         (__aeabi_dadd): Likewise.
810         (__aeabi_ui2d): Likewise.
811         (__aeabi_i2d): Likewise.
812         (__aeabi_f2d): Likewise.
813         (__aeabi_dmul): Likewise.
814         (__aeabi_ddiv): Likewise.
815         (__aeabi_cdrcmple): Likewise.
816         (__aeabi_cdcmpeq): Likewise.
817         (__aeabi_cdcmple): Likewise.
818         (__aeabi_dcmpeq): Likewise.
819         (__aeabi_dcmplt): Likewise.
820         (__aeabi_dcmple): Likewise.
821         (__aeabi_dcmpge): Likewise.
822         (__aeabi_dcmpgt): Likewise.
823         (__aeabi_dcmpun): Likewise.
824         (__aeabi_d2iz): Likewise.
825         (__aeabi_d2uiz): Likewise.
826         (__aeabi_d2f): Likewise.
827         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
828         (__aeabi_frsub): Likewise.
829         (__aeabi_fsub): Likewise.
830         (__aeabi_fadd): Likewise.
831         (__aeabi_ui2f): Likewise.
832         (__aeabi_i2f): Likewise.
833         (__aeabi_fmul): Likewise.
834         (__aeabi_fdiv): Likewise.
835         (__aeabi_cfrcmple): Likewise.
836         (__aeabi_cfcmpeq): Likewise.
837         (__aeabi_cfcmple): Likewise.
838         (__aeabi_fcmpeq): Likewise.
839         (__aeabi_fcmplt): Likewise.
840         (__aeabi_fcmple): Likewise.
841         (__aeabi_fcmpge): Likewise.
842         (__aeabi_fcmpgt): Likewise.
843         (__aeabi_fcmpun): Likewise.
844         (__aeabi_f2iz): Likewise.
845         (__aeabi_f2uiz): Likewise.
846         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
847         (__aeabi_uidivmod): New function or alias.
848         (__aeabi_idivmod): Likewise.
849         (__aeabi_idiv0): Likewise.
850         (__aeabi_ldiv0): Likewise.
851         (__aeabi_llsr): Likewise.
852         (__aeabi_lasr): Likewise.
853         (__aeabi_llsl): Likewise.
854         (bpabi.S): Include it.
855         * config/arm/libgcc-bpabi.ver: New file.
856         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
857         (LINK_SPEC): Remove.
858         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
859         __aeabi_ulcmp.
860         * config/arm/t-bpabi: New file.
861         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
862         (TARGET_LIB_INT_CMP_BIASED): Likewise.
863
864 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
865
866         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
867         * config/rs6000/rs6000.md (clrmemsi): New pattern.
868         * config/rs6000/rs6000.c (expand_block_clear): New function.
869         (expand_block_move): Convert alignment to bits.  Use SImode and
870         HImode for unaligned addresses if not STRICT_ALIGNMENT.
871
872 2004-08-10  Caroline Tice  <ctice@apple.com>
873
874         * varasm.c (unlikely_section_label): New global variable.
875         (unlikely_text_section_name): New global variable.
876         (text_section):  Remove alignment statement.
877         (unlikely_text_section): Remove alignment statement; use
878         unlikely_section_label rather than hard-coded string.
879         (assemble_start_function): Initialize unlikely_section_label and
880         unlikely_text_section_name;  make sure cold section is properly
881         aligned at start of function; output unlikely_section_label if
882         appropriate.
883
884 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
885
886         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
887         * config/s390/s390.c (s390_canonicalize_comparison): New function.
888         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
889         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
890         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
891         ("*tmqi_mem"): Remove SUBREG from pattern.
892         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
893         ("*andsi3_cconly"): Likewise.
894
895 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
896
897         PR target/16909
898         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
899
900 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
901
902         * doc/sourcebuild.texi (compat testing): Document available test
903         framework commands.  Use the preferred spelling of DejaGnu.
904
905 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
906
907         * lambda.h: Add matrix type, and prototypes for remainder of
908         matrix and vector functions.
909         (lambda_vector_mult_const): New function.
910         (lambda_vector_negate): Ditto.
911         (lambda_vector_add): Ditto.
912         (lambda_vector_add_mc): Ditto.
913         (lambda_vector_copy): Ditto.
914         (lambda_vector_zerop): Ditto.
915         (lambda_vector_equal): Ditto.
916         (lambda_vector_min_nz): Ditto.
917         (lambda_vector_first_nz): Ditto.
918         (lambda_vector_matrix_mult): Ditto.
919         * lambda-mat.c: New file.
920         * Makefile.in (lambda-mat.o): New.
921
922 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
923
924         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
925         after linking stmt into the program.
926         (bsi_remove): Don't call modify_stmt.
927         * tree-complex.c (update_complex_assignment,
928         expand_complex_comparison): Call modify_stmt after changing the stmt.
929         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
930         removing the stmt.
931         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
932         the stmt, and only if needed.
933         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
934         expression.
935         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
936         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
937         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
938         (eliminate_redundant_computations): Don't pass an annotation. Call
939         modify_stmt rather than setting the annotation directly.
940         (record_equivalences_from_stmt): Remove unused local 'j'.
941         (cprop_operand): Take a stmt rather than an annotation as a parameter.
942         Call modify_stmt.
943         (cprop_into_stmt): Pass stmt rather than annotation.
944         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
945         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
946         modify_stmt.
947         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
948
949 2004-08-10  Jason Merrill  <jason@redhat.com>
950
951         PR middle-end/16948
952         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
953         the RESULT_DECL.
954
955 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
956
957         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
958         hash function.
959
960 2004-08-10  Roger Sayle  <roger@eyesopen.com>
961
962         * config/mips/mips.md: New reciprocal square root patterns that
963         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
964
965 2004-08-10  Paul Brook  <paul@codesourcery.com>
966
967         * config/arm/arm-protos.h (arm_set_return_address,
968         thumb_set_return_address): Add prototypes.
969         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
970         * config/arm/arm.c (arm_compute_func_type,
971         use_return_insn, arm_compute_save_reg0_reg12_mask,
972         arm_compute_save_reg_mask, arm_output_function_prologue,
973         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
974         current_function_calls_eh_return.
975         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
976         old eh code.
977         (arm_set_return_address, thumb_set_return_address): New functions.
978         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
979         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
980         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
981         (epilogue): Use the stackadj register.
982         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
983
984 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
985
986         PR target/3144
987         * expr.c (move_by_pieces_ninsns): Add max_size argument.
988         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
989         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
990         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
991         but using MOVE_RATIO.
992         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
993         (can_store_by_pieces): Change max_size type to unsigned int.
994         (store_by_pieces_1): Likewise.  Pass max_size to
995         move_by_pieces_ninsns.
996         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
997         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
998         to move_by_pieces_ninsns.
999         (STORE_BY_PIECES_P): Define.
1000         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
1001         to move_by_pieces_ninsns.
1002         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
1003
1004         * config/i386/i386.h (CLEAR_RATIO): Define.
1005
1006 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1007
1008         * expr.c (expand_expr_real_1): Add back code that was not dead.
1009
1010 2004-08-09  Andrew Pinski  <apinski@apple.com>
1011
1012         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
1013         which is found to be compatible before returning the aliasing set.
1014
1015 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
1016
1017         * ggc-zone.c (struct alloc_zone): Add statistics counters.
1018         (always_collect): New flag.
1019         (ggc_alloc_zone_1): Update statistics support.  Don't include
1020         overhead in allocated counter.
1021         (sweep_pages): Update allocated counter for large pages.  Don'y
1022         include overhead.
1023         (ggc_collect_1): Always collect.
1024         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
1025         whether to collect.
1026         (SCALE, LABEL): New macros.
1027         (ggc_print_statistics): Add statistics support.
1028
1029 2004-08-09  Roger Sayle  <roger@eyesopen.com>
1030
1031         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
1032         (init_expmed): Fix potential overrun problem with "all.reg".
1033         (expand_sdiv2_pow2): Add an alternate implementation for signed
1034         division, if the target provides a suitable conditional move insn.
1035
1036 2004-08-09  Paul Brook  <paul@codesourcery.com>
1037         Richard Henderson  <rth@redhat.com>
1038
1039         * unwind-dw2.c (uw_install_context_1): Update target saved stack
1040         pointer.
1041
1042 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
1043
1044         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
1045         Check DATA limit only if there's no AS limit.  Ignore insanely
1046         low DATA limits.
1047         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
1048         but take care that the AS limit isn't overrun.
1049         * doc/invoke.texi: Update documentation of min-heapsize parameter.
1050
1051 2004-08-09  Jeff Law  <law@redhat.com>
1052
1053         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
1054         (tree-ssa-threadupdate.o): Add dependencies.
1055         * tree-ssa-threadupdate.c: New file.
1056         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
1057         (rewrite_vars_out_of_ssa): Remove prototype.
1058         (cleanup_tree_cfg): Returns a bool.
1059         * tree.h (thread_through_all_blocks): Prototype.
1060         * tree-outof-ssa.c  (SSANORM_*): Move into here.
1061         (remove_ssa_form): Now static.
1062         (rewrite_vars_out_of_ssa): Kill.
1063         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
1064         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
1065         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
1066         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
1067         anything was changed.
1068         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
1069         from the PHI's annotation rather than the edge associated with
1070         the new argument.
1071         * tree-ssa-dom.c (redirection_edges): Kill.
1072         (redirect_edges_and_update_ssa_graph): Kill.
1073         (tree_ssa_dominator_optimize): Do not reset forwardable flag
1074         for blocks anymore.  Do not initialize redirection_edges.
1075         Call thread_through_all_blocks.  Simplify code for cleanup
1076         of the CFG and iterating.  No longer call cleanup_tree_cfg
1077         outside the iteration loop.
1078         (thread_across_edge): No longer mess with forwardable blocks.
1079
1080 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
1081
1082         * explow.c (memory_address): Use memory_address_p.
1083         * recog.c (general_operand): Likewise.
1084         * regrename.c: No need to define REG_OK_STRICT.
1085
1086 2004-08-09  Steven Bosscher  <stevenb@suse.de>
1087
1088         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
1089         New timers.
1090         * gcse.c: Include timevar.h.
1091         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
1092         and global_copy_prop_count.
1093         (local_const_prop_count, local_copy_prop_count): New static globals.
1094         (gcse_main): Set the right timevar for each pass.
1095         (cprop_jump): Increment global_const_prop_count when a constant is
1096         propagated.  Add "GLOBAL" to dump output.
1097         (cprop_insn): Increment global_const_prop_count when a constant is
1098         propagated, or global_copy_prop_count when a copy is propagated.
1099         (do_local_cprop): Likewise for local_const_prop_count and
1100         local_copy_prop_count.
1101         (one_cprop_pass): Initialize const/cprop counters to zero.
1102         Print out results of local and global const/cprop separately.
1103         (bypass_block): Break over-length line.
1104         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
1105         for bb-reorder.o and tracer.o.
1106
1107 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1108
1109         * Makefile.in (GTFILES): Remove stmt.c
1110         (stmt.o): Do not depend on gt-stmt.h.
1111         * emit-rtl.c (emit_line_note): Do not call
1112         set_file_and_line_for_stmt.
1113         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
1114         do everything.
1115         * function.c (free_after_parsing): Do not free STMT field.
1116         (allocate_struct_function): Do not call init_stmt_for_function.
1117         (assign_stack_temp_for_type): Do not accept values of keep
1118         other than 0 or 1.
1119         (init_temp_slots): Do not initialize removed variables.
1120         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
1121         and X_VAR_TEMP_SLOT_LEVEL fields.
1122         * rtl.h (set_file_and_line_for_stmt): Remove.
1123         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
1124         struct stmt_status, cond_stack, case_stack, nesting_stack,
1125         nesting_depth, emit_locus, set_file_and_line_for_stmt,
1126         same_case_target_p, init_stmt_for_function, emit_nop,
1127         expand_start_cond, expand_start_elseif, expand_start_else,
1128         expand_elseif, expand_end_cond): Remove.
1129         (preserve_subexpressions_p): Remove references to CFUN->STMT.
1130         (expand_start_case, expand_end_case_type): Remove, merge into...
1131         (expand_case): ... this one, including other bits from
1132         expand_expr_real_1.  Inline same_case_target_p.  Turn members
1133         of CASE_STACK into local variables.
1134         (emit_case_bit_tests): Inline same_case_target_p.
1135         (add_case_node): Add HEAD argument, return new head of the list,
1136         do not handle default label here.
1137         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
1138         expand_start_elseif, current_nesting_level, expand_start_case,
1139         expand_end_case_type, expand_end_case, add_case_node,
1140         init_stmt_for_function, expand_elseif): Remove prototypes.
1141         (expand_case): Add prototype.
1142
1143 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1144
1145         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
1146
1147 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1148
1149         * expr.c (var_rtx): Remove.
1150         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
1151         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
1152         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
1153         Abort.
1154         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
1155         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
1156         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
1157
1158 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
1159         Ayal Zaks <zaks@il.ibm.com>
1160
1161         * common.opt (freschedule-modulo-scheduled-loops): New flag.
1162         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
1163         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
1164         when -freschedule-modulo-scheduled-loops flag is not specified.
1165         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
1166         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
1167         More accurate placing of insn in row of partial schedule.
1168         (ps_insn_find_column): New function.
1169         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
1170         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
1171         (schedule_region): Use sched_is_disabled_for_current_region_p.
1172         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
1173
1174 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
1175
1176         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
1177         change.
1178
1179 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         * config/i386/i386.c (ix86_expand_clrmem): Properly call
1182         gen_strset for 64bit target.
1183
1184 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
1185
1186         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
1187
1188 2004-08-07  Jason Merrill  <jason@redhat.com>
1189
1190         Make return in memory explicit.
1191         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
1192         (assign_parm_find_data_types): Remove code for old front end
1193         invisible reference handling.
1194         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
1195         (expand_function_end): Likewise.
1196         * gimplify.c (gimplify_return_expr): Handle a dereferenced
1197         RESULT_DECL.
1198         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
1199         (declare_return_variable): Handle DECL_BY_REFERENCE.
1200         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
1201         (cp_genericize_r): Use convert_from_reference.
1202         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
1203         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
1204
1205         * c-common.c (c_warn_unused_result): Check TREE_USED before
1206         warning about a CALL_EXPR with an unused value.
1207
1208 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
1209
1210         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
1211         to the compiler.  Use -fshort-wchar by default.
1212
1213 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
1214
1215         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
1216         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
1217         threshhold.
1218         * doc/invoke.texi (param): Document min-crossjump-insns.
1219
1220 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
1221
1222         PR c/13282
1223         * c.opt (Wmissing-field-initializers): New option.
1224         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
1225         * c-typeck.c (pop_init_level): Guard the missing field warning with
1226         warn_missing_field_initializers rather than extra_warnings.
1227         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
1228         some of the explanation from...
1229         (-Wextra): ...here.  Say that the missing field warning can be
1230         seperately controlled by -Wmissing-field-initializers.
1231
1232 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
1233
1234         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
1235         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
1236         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
1237         * tree.def (ENTRY_VALUE_EXPR): Remove.
1238
1239 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
1240
1241         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
1242         the places where it is actually needed.  Don't use repz; stosb
1243         for -Os with sufficiently small constant sizes.
1244         For sufficiently small repz; stos{l,q} repeat counts use a sequence
1245         of stos{l,q} instructions instead.
1246
1247 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1248
1249         PR tree-optimization/16807
1250         * loop-iv.c (dump_iv_info): Dump invariants correctly.
1251         (iv_subreg, iv_extend): Express value of invariant purely in
1252         base field.
1253
1254 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
1255
1256         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
1257         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
1258
1259 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
1260
1261         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
1262         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
1263         pre_dec_operand.
1264         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
1265         pattern until reload is finished to allow better code generation
1266         and split them completely into separate instrunctions.
1267         (*andsi3_split): New pattern.
1268
1269 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
1270
1271         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
1272         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
1273         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
1274         * tree.h (handle_dll_attribute): Declare.  Test
1275         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
1276         * c-common.h (c_determine_visibility): Declare.
1277         * c-common.c (c_determine_visibility): New function.
1278         * c-decl.c (finish_decl): Use it.
1279         (finish_function): Likewise.
1280         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
1281         zero, by default.  Use #if, not #ifdef, to test it.
1282         * config/arm/arm.c (arm_attribute_table): Use
1283         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
1284         #if.
1285         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
1286         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
1287         to 1.
1288         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
1289         * config/i386/i386.c (ix86_attribute_table): Use
1290         handle_dll_attribute for dllimport/dllexport.  Test
1291         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
1292         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
1293         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
1294         it to 1.
1295         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
1296         with #if.
1297         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
1298         it to 1.
1299         * doc/extend.texi (dllexport): Clarify and correct documentation.
1300         (dllimport): Likewise.
1301         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
1302         handle_dll_attribute.
1303
1304 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1305
1306         * tree-ssa-loop-manip.c: New file.
1307         * Makefile.in (tree-ssa-loop-manip.o): Add.
1308         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
1309         Declare.
1310         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
1311         form.
1312         (tree_ssa_loop_done): Verify loop closed ssa form.
1313         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
1314
1315 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1316
1317         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
1318         pa_asm_output_aligned_local): New functions.
1319         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
1320         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
1321         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
1322         pa_asm_output_aligned_common.
1323         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
1324         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
1325         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
1326         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
1327         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
1328         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
1329         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
1330         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
1331         common data.
1332
1333 2004-08-05  Andrew Pinski  <apinski@apple.com>
1334
1335         * objc/objc-act.c (build_objc_string_object): Mark the address
1336         expression as constant.
1337
1338 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
1339
1340         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
1341         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
1342         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
1343
1344 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1345
1346         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
1347         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
1348         out, and associated obsolete comments.
1349
1350 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
1351
1352         * tree.h (force_fit_type): Return a tree, take three flags.
1353         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
1354         TREE_CONSTANT_OVERFLOW here.
1355         (int_const_binop, const_binop): Adjust.
1356         (size_int_type): Do sign extension here.
1357         (fold_convert_const, optimize_bit_field_compare,
1358         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
1359         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
1360         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
1361
1362 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1363
1364         PR tree-optimization/16864
1365         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
1366         for ssa names without default_def.
1367
1368 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
1369
1370         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
1371         frame pointer, restore eax with an ebp-relative address.
1372
1373 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
1374
1375         PR 14516
1376         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
1377         * c-common.h (make_rtl_for_local_static): Delete.
1378         * c-decl.c (shadow_tag_warned): Clean up comment.
1379         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
1380         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
1381         * c-semantics.c (make_rtl_for_local_static): Delete.
1382         * expr.c (init_block_move_fn): Use set_user_assembler_name.
1383         (init_block_clear_fn): Likewise.
1384         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
1385         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
1386         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
1387         * tree.h (make_decl_rtl): Remove second parameter.
1388         (set_user_assembler_name): New.
1389         * varasm.c (set_user_assembler_name): New.
1390         (make_decl_rtl): Remove second parameter.  Update callers in many
1391         files.
1392
1393 2004-08-05  Adam Nemet  <anemet@lnxw.com>
1394
1395         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
1396         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
1397         to LynxOS 4.0.
1398         * gthr-lynx.h: New file.
1399         * config/lynx-ng.h: Remove file.
1400         * config/lynx.h: Update to LynxOS 4.0.
1401         * config/t-lynx: New file.
1402         * config/i386/lynx-ng.h: Remove file.
1403         * config/i386/lynx.h: Update to LynxOS 4.0.
1404         * config/rs6000/lynxbase.h: Remove file.
1405         * config/rs6000/lynx.h: Update to LynxOS 4.0.
1406         * config/rs6000/t-lynx: New file.
1407         * doc/install.texi (Options specification): Remove reference to
1408         LynxOS from systems where --with-gnu-as makes a difference.
1409
1410 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1411
1412         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
1413         __UINTMAX_TYPE__.
1414         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
1415         __INTMAX_MAX__.
1416         (c_cpp_builtins): Call it.
1417         * doc/cpp.texi: Update.
1418
1419 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
1420
1421         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
1422         cost.
1423
1424 2004-08-04  Jan Hubicka  <jh@suse.cz>
1425
1426         * basic-block.h (profile_staus): New global variable.
1427         * cfg.c (profile_status): Declare.
1428         (check_bb_profile): Break out from ....; use profile_status
1429         (dump_flow_info): ... here.
1430         * cfgbuild.c (find_basic_blocks): Set profile_status.
1431         * cfgexpand.c (tree_expand_cfg): Likewise.
1432         * predict.c (estimate_probability): Likewise.
1433         * profile.c (branch_prob): Likewise.
1434         * tree-cfg.c (build_tree_cfg): Likewise.
1435         (dump_function_to_file): Use check_bb_profile.
1436         * tree-pretty-print (dump_bb_header): Likewise.
1437         * tree-profile.c (do_tree_profiling): Cleanup.
1438
1439 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
1440
1441         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
1442         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
1443         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
1444         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
1445         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
1446         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
1447         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
1448         (ggc-none.o, errors.o): Move rule to generators section;
1449         correct dependencies.
1450         (min-insn-modes.o): Move rule to generators section; remove
1451         unnecessary explicit command; correct dependencies.
1452         (print-rtl.o, print-rtl1.o): Correct dependencies.
1453         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
1454         (mostlyclean): Update.
1455
1456         * errors.c: Include bconfig.h not config.h.  Correct comment.
1457         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
1458         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
1459         * print-rtl.c: Don't include tm_p.h.
1460
1461         * rtl.h: Move forward-decl of struct function down where it's
1462         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
1463         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
1464
1465 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1466             Jeff Law  <law@redhat.com>
1467
1468         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
1469         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
1470         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
1471         manipulate the duplicated ssa names.
1472         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
1473         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
1474         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
1475         New functions.
1476         (release_ssa_name): Do not release ssa names that may have multiple
1477         definitions.
1478         * tree.h (release_ssa_name_force, mark_for_rewrite,
1479         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
1480         marked_ssa_names): Declare.
1481         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
1482         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
1483         Update call to rewrite_ssa_into_ssa.
1484
1485 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
1486
1487         * defaults.h (TARGET_DECLSPEC): New macro.
1488         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
1489         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
1490         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
1491         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
1492         __declspec support.
1493         (TARGET_DECLSPEC): Define.
1494         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
1495         __declspec support.
1496         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
1497         __declspec support.
1498         (TARGET_DECLSPEC): Define.
1499         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
1500         __declspec support.
1501         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
1502         support.
1503         * doc/tm.texi (TARGET_DECLSPEC): Document.
1504
1505         * doc/extend.texi: Fix typo in comment.
1506
1507 2004-08-04  Paul Brook  <paul@codesourcery.com>
1508
1509         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
1510         (TARGET_CXX): Use it.
1511         * target.h (struct gcc_target): Add cdtor_returns_this.
1512         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
1513         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
1514         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
1515
1516 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
1517
1518         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
1519         low/high pair. Do range checking directly.
1520         (interpret_integer): Adjust.
1521
1522 2004-08-04  Nick Clifton  <nickc@redhat.com>
1523
1524         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
1525         GCC ABI.
1526         * doc/invoke.texi: Document this new switch and also the -mrenesas
1527         switch.
1528
1529 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
1530
1531         * cfglayout.c (insn_locators_initialize): Update the current
1532         location before initializing a location.
1533
1534 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
1535
1536         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
1537         (dbxout_function_end): Return after emitting the "Lscope" symbol
1538         under the same conditions that this function formerly wasn't called.
1539         Add explanatory comments.
1540
1541         PR 14860
1542         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
1543         on the new decl.
1544
1545         PR 13956
1546         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
1547         functions, broken out of dbxout_block.
1548         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
1549         stabs too, if it contains symbols.  Use the begin_label and
1550         the Lscope label (emitted by dbxout_function_end) for the
1551         range of this block.
1552
1553 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
1554
1555         * doc/install.texi: Update autoconf version requirements.
1556
1557 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
1558
1559         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
1560         * recog.c (general_operand, immediate_operand, nonmemory_operand)
1561         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
1562         * regclass.c (record_reg_classes): Likewise.
1563         * reload.c (find_reloads): Likewise.
1564         * reload1.c (reload): Likewise.
1565
1566 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
1567
1568         * gensupport.c (init_md_reader_args_cb): Renamed from
1569         init_md_reader_args.  Add third option, callback function for
1570         parsing program-specific options.  Add diagnosis of incorrect
1571         number of input files.
1572         (init_md_reader): Fold into init_md_reader_args_cb.
1573         (init_md_reader_args): Now a thin wrapper around
1574         init_md_reader_args_cb.
1575         * gensupport.h: Update prototypes.
1576
1577         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1578         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1579         * genrecog.c: No need to diagnose lack of an input file;
1580         init_md_reader_args will handle it.
1581         * genconditions.c: Likewise, and use init_md_reader_args.
1582         * genconstants.c: Likewise, and no need to call read_md_rtx.
1583
1584 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
1585
1586         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
1587         declarations.
1588
1589 2004-08-03  Mike Stump  <mrs@apple.com>
1590
1591         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
1592         for frameworks.
1593         * doc/invoke.texi (Darwin Options): Update to reflect above.
1594
1595 2004-08-03  Roger Sayle  <roger@eyesopen.com>
1596
1597         PR middle-end/16790
1598         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
1599         truncations, not just global truncations.
1600
1601 2004-08-03  Andrew Pinski  <apinski@apple.com>
1602
1603         PR bootstrap/16865
1604         * loop-iv.c (simplify_using_assignment): Initialize lhs.
1605
1606 2004-08-03  Paul Brook  <paul@codesourcery.com>
1607
1608         * gcc/doc/install.texi: Document MPFR requirement.
1609
1610 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
1611
1612         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
1613         and mmap() explicitly instead of relying on preset autoconf cache
1614         variables.
1615         * configure: Regenerate.
1616
1617 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
1618
1619         PR target/16570
1620         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
1621         to tmake_file.
1622         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
1623         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
1624         to tmake_file.
1625
1626         * config/i386/t-gmm_malloc: New file.
1627         * config/i386/t-pmm_malloc: Likewise.
1628
1629         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
1630
1631 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
1632             Tanguy Fautrà <tfautre@pandora.be>
1633
1634         * config/i386/pmm_malloc.h: New file.
1635
1636 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
1637
1638         * config/i386/gmm_malloc.h: New file.
1639
1640 2004-08-03  Dale Johannesen  <dalej@apple.com>
1641
1642         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
1643         * c-common.c: Include opts.h.
1644         (c_common_get_alias_set): Fix check for a single input file.
1645         * toplev.c: Remove current_file_decl.
1646         * tree.h: Ditto.
1647
1648 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
1649
1650         * config.gcc (arm*-*-symbianelf*): New target.
1651         * config/arm/symbian.h: New file.
1652
1653         * gthr-gnat.c: Add visibility #pragmas.
1654         * gthr-gnat.h : Likewise.
1655         * gthr.h: Likewise.
1656         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
1657         (__ffsDI2): Likewise.
1658         (__clzSI2): Likewise.
1659         (__ctzSI2): Likewise.
1660         (__ctzDI2): Likewise.
1661         (__popcountSI2): Likewise.
1662         (__popcountDI2): Likewise.
1663         (__paritySI2): Likewise.
1664         (__parityDI2): Likewise.
1665         * libgcc2.h: Add visibility #pragmas.
1666         (__clzDI2): Add prototype.
1667         (__clzSI2): Likewise.
1668         (__ctzSI2): Likewise.
1669         (__ffsDI2): Likewise.
1670         (__ffsSI2): Likewise.
1671         (__ctzDI2): Likewise.
1672         (__popcountSI2): Likewise.
1673         (__popcountDI2): Likewise.
1674         (__paritySI2): Likewise.
1675         (__parityDI2): Likewise.
1676         * unwind-dw2-fde.h: Add visibility #pragmas.
1677         * unwind.h: Likewise.
1678
1679 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
1680             Dale Johannesen  <dalej@apple.com>
1681             Roger Sayle  <roger@eyesopen.com>
1682
1683         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
1684         constants more accurately.  Adjust costs for FMA instructions.
1685         Add cases for most logical and float operations.  Recurse into
1686         most operands.
1687
1688 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
1689
1690         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
1691
1692 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
1693
1694         * ra-build.c (conflicts_between_webs): For webs that cross a call add
1695         conflicts to regs_invalidated_by_call.
1696
1697 2004-08-03  Paul Brook  <paul@codesourcery.com>
1698
1699         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
1700
1701 2004-08-03  Jan Hubicka  <jh@suse.cz>
1702
1703         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
1704         ARRAY_REF argument.
1705
1706 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
1707
1708         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
1709         arm968es, arm10e, arm1020e, arm1022e.
1710         * invoke.texi: Update list of ARM cores.
1711         * arm-tune.md: Regenerate.
1712
1713 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
1714
1715         * arm/gentune.sh: New file.
1716         * arm/t-arm: New file.
1717         * arm/arm-tune.md: New file (autogenerated).
1718         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
1719         * arm.md (attribute tune): Delete.  Include arm-tune.md.
1720
1721 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
1722
1723         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
1724         penultimate parameter.  All callers adjusted.
1725         (struct prefix_list): Remove used_flag_ptr.
1726         (find_a_file): Do not set *pl->used_flag_ptr.
1727         (warn_B, warn_std_ptr): Remove.
1728
1729 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
1730             Mostafa Hagog <mustafa@il.ibm.com>
1731
1732         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
1733
1734 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
1735
1736         * dwarf2out.c (output_call_frame_info): Don't change data format
1737         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
1738         label.  Use 'true' not '1'.
1739         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
1740         required.
1741
1742 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
1743
1744         * gdbinit.in: Reflect previous changes to rtunion_def.
1745
1746 2004-08-02  Roger Sayle  <roger@eyesopen.com>
1747
1748         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
1749         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
1750
1751 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1752
1753         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
1754         vec_p_reserve.
1755         * langhooks.h (lang_hooks::builtin_function): Rename parameter
1756         from "class" to "bt_class".
1757
1758 2004-08-02  Paul Brook  <paul@codesourcery.com>
1759
1760         PR rtl-optimization/15068
1761         * flow.c (init_propagate_block_info): Check condition is reversible.
1762
1763 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1764
1765         * gengtype.h (options::info): Change type to const char *.
1766         (enum gc_used_enum): Move out of struct type scope.
1767         * gengtype.c (create_option): Convert initializer for option::info to
1768         appropiate type.
1769         (adjust_field_type, walk_type, write_func_for_structure,
1770         write_root, write_roots): Remove pointless cast.
1771
1772 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
1773
1774         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
1775
1776 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1777
1778         * rtl.h (union rtunion_def): Have all members  start with the
1779         prefix "rt_".
1780         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
1781         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
1782         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
1783         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
1784         access.
1785         * gengtype.c (adjust_field_rtx_def): Likewise.
1786         * rtlanal.c (loc_mentioned_in_p): Likewise.
1787
1788 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
1789
1790         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
1791         Replace uses of mips/elf64.h with mips/elf.h
1792         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
1793         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
1794         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
1795         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
1796         (HANDLE_SYSV_PRAGMA): Delete.
1797         (ASM_OUTPUT_DEF): Fix formatting.
1798         * config/mips/elf64.h: Delete.
1799
1800 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
1801
1802         * config/ia64/ia64.c (got_symbolic_operand): Do require a
1803         symbol+offset operand to have its offset be zero mod 0x3fff
1804         when GOT entries are in use.  Clarify logic in SYMBOL_REF
1805         case.  Clarify comments.
1806         (ia64_expand_load_address): Split a symbol+offset load when
1807         the offset is nonzero mod 0x3fff, not 0x1fff.
1808
1809 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
1810
1811         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
1812         if trying to *store* to a non-offsettable address.
1813         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
1814         a nonoffsettable address.
1815         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
1816         Clean up.
1817         (movti_string): Don't move GPRs to a nonoffsettable address.
1818         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
1819
1820 2004-08-02  Ben Elliston  <bje@au.ibm.com>
1821
1822         PR target/16155
1823         * config/rs6000/altivec.h: Replace typeof with __typeof__.
1824
1825 2004-08-01  Richard Henderson  <rth@redhat.com>
1826
1827         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
1828         variable sized types.
1829
1830 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1831
1832         * doc/invoke.texi: In the MIPS options section, remove the passage
1833         saying that -mexplicit-relocs is usually disabled for -mabicalls
1834         -fno-unit-at-a-time.
1835         * config/mips/mips.c (override_options): Remove the code that enforced
1836         this rule.
1837
1838 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1839
1840         * config/mips/mips.md (cprestore): Provide two alternatives, one for
1841         an in-range offset and one for an out-of-range offset.  Wrap the latter
1842         in .set macro/.set nomacro if it's inside a .set nomacro block.
1843
1844 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1845
1846         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
1847         (mips_restore_gp): Declare.
1848         * config/mips/mips.c (mips_add_offset): Add a scratch register
1849         argument.  Reimplement in rtl only, reusing MIPS16 logic from
1850         mips_output_mi_thunk.
1851         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
1852         to mips_add_offset.
1853         (mips_gp_save_slot): Delete.
1854         (mips_restore_gp): New function.
1855         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
1856         * config/mips/mips.md (exception_receiver): Turn into a
1857         define_insn_and_split.  Use mips_restore_gp to do the split.
1858         (call_internal, call_value_internal, call_value_multiple_internal): Use
1859         mips_restore_gp to restore $gp.
1860
1861 2004-07-31  Andrew Pinski  <apinski@apple.com>
1862
1863         PR other/16842
1864         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
1865
1866 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1867
1868         * c-decl.c (diagnose_mismatched_decls): Give error for external
1869         redeclaration of identifier declared with no linkage, not just
1870         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
1871         error for redeclaration with no linkage.
1872
1873 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
1874             Fariborz Jahanian <fjahanian@apple.com>
1875
1876         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
1877         non-offsettable addresses even for DImode.
1878         (rs6000_split_multireg_move): Cope with non-offsettable addresses
1879         being moved into multiple GPRs.
1880
1881         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
1882         to 64.
1883         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
1884         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
1885         to 128.
1886         * config/rs6000/darwin-ldouble.c (isless): New macro.
1887         (inf): New macro.
1888         (nonfinite): New macro.
1889         (FPKINF): Delete.
1890         (_xlqadd): Completely rewrite.
1891         (_xlqmul): Correct overflow handling.
1892         (_xlqdiv): Correct overflow handling.
1893         * config/rs6000/darwin-ldouble-format: New file.
1894
1895 2004-07-30  Roger Sayle  <roger@eyesopen.com>
1896             Richard Henderson  <rth@redhat.com>
1897
1898         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
1899         9 into the equivalent lea instruction.
1900
1901 2004-07-30  Richard Henderson  <rth@redhat.com>
1902
1903         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
1904         with DECL_INITIAL if fb_lvalue.
1905         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
1906         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
1907         with <Cxxx>.
1908         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
1909
1910 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
1911
1912         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
1913         pointer escapes through a function call, assume that the
1914         callee will dereference it.
1915         (add_pointed_to_var): Assume that VALUE is always an
1916         ADDR_EXPR.
1917         (collect_points_to_info_r): Only call add_pointed_to_var if
1918         the value is an ADDR_EXPR.
1919
1920 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
1921
1922         * tree-ssa-alias.c (create_alias_map_for): Do not get the
1923         alias set of the inner type of ARRAY_TYPEs.
1924
1925 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1926
1927         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
1928         setting a non-register to UNDEFINED right before the call to
1929         set_lattice_value.
1930
1931 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1932
1933         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
1934
1935 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1936
1937         * tree-ssa.c (verify_flow_sensitive_alias_info): When
1938         comparing points-to sets of different pointers, make sure the
1939         second pointer is actually referenced in the code.
1940
1941 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
1942
1943         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
1944         (got_symbolic_operand): Remove unreachable code.
1945         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
1946         setjmp_operand; add entry for tls_symbolic_operand.
1947         * config/ia64/ia64-protos.h: Remove all prototypes of
1948         predicate functions.
1949
1950 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
1951
1952         * c-common.h (lang_post_pch_load): New variable.
1953         * c-pch.c (lang_post_pch_load): Define it.
1954         (c_common_read_pch): Use it.
1955         * cgraphunit.c (record_call_1): Give the front end a chance to
1956         record additional needed entities when a variable is marked as
1957         needed.
1958         * tlink.c (recompile_files): Robustify.
1959         (scan_linker_output): If a symbol is assigned to a file,
1960         but after recompilation is not present there, issue an error
1961         message.
1962
1963 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1964
1965         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
1966         Take orig_loop argument and pass it to set_level.
1967         (schedule_sm): Pass the correct orig_loop to force_move_till.
1968
1969 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1970
1971         * cfgloop.c (update_latch_info): Update dominator of the new block.
1972         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
1973         info.
1974         * dominance.c (verify_dominators): Check that the dominance tree is
1975         connected.
1976         (recount_dominator): Ignore unreachable blocks.
1977         (iterate_fix_dominators): Cleanup old dominance information before
1978         recomputing it.
1979
1980 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1981
1982         * tree-ssa-operands.c (get_expr_operands): Revert changes
1983         to ADDR_EXPR processing introduced by:
1984             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1985             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
1986
1987 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
1988
1989         * doc/implement-c.texi: Add C90 subclause references.  Point to
1990         preprocessor documentation instead of duplicating it.  Add points
1991         only present in C90.  Fill in documentation for all points.
1992
1993 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1994
1995         * pa.c (output_movb): Correct typo.
1996
1997 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
1998
1999         * ra.h (single_reg_in_regclass): Declare.
2000         * ra.c (single_reg_in_regclass): Define.
2001         (first_hard_reg): New.
2002         (init_ra): Initialize single_reg_in_regclass.
2003         * ra-colorize.c (ok_class): New.
2004         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
2005
2006 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
2007
2008         * gcov-io.h: Allow zero tag as EOF indicator.
2009         (gcov_is_eof): Remove.
2010         (gcov_truncate): Remove.
2011         * gcov-io.c (gcov_seek): Always SEEK_SET.
2012         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
2013         EOF tag.
2014         * coverage.c (read_counts_file): Don't use gcov_is_eof.
2015         * gcov-dump.c (dump_file): Likewise.
2016         * gcov.c (read_graph_file, read_count_file): Likewise.
2017
2018         * c-decl.c (complete_array_type): Don't gratuitously copy
2019         maxindex.  Check it always has a type.
2020
2021 2004-07-29  Steven Bosscher  <stevenb@suse.de>
2022
2023         * rtl.c (currently_expanding_to_rtl): New.
2024         * rtl.h (currently_expanding_to_rtl): Export it.
2025         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
2026
2027         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
2028         inliner hack.
2029         * config/sh/sh.c: Replace rtx_equal_function_value_matters
2030         with currently_expanding_to_rtl.
2031         * config/sh/sh.md: Likewise.
2032         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
2033
2034 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2035
2036         Introduce sh2a support.
2037         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2038         * config.gcc: Build multilibs for sh2a and sh2a-single by
2039         default.
2040         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
2041         default.  Split their tests out of the corresponding SH4
2042         multilibs.
2043         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
2044         multilibs for SH2a.
2045         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2046         * config.gcc: Handle sh2a multilibs and cpu selection.
2047         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
2048         * config/sh/t-mlib-sh2a: New.
2049         * config/sh/t-mlib-sh2a-nofpu: New.
2050         * config/sh/t-mlib-sh2a-single: New.
2051         * config/sh/t-mlib-sh2a-single-only: New.
2052         2004-07-09  Nick Clifton  <nickc@redhat.com>
2053         Issue 43400
2054         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
2055         -ml and -m2a are used together.
2056         2004-03-23  DJ Delorie  <dj@redhat.com>
2057         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
2058         when we have a double-sized FPU.
2059         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2060         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
2061         is set.
2062         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
2063         -msh2a-single and -msh2a-single-only
2064         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2065         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
2066         is set.
2067         2004-02-20  DJ Delorie  <dj@delorie.com>
2068         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
2069         2004-02-20  Fred Fish <fnf@redhat.com>,
2070         Corinna Vinschen <vinschen@redhat.com>
2071         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
2072         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
2073         2004-02-18  DJ Delorie  <dj@redhat.com>
2074         * config/sh/sh.c (broken_move): Add support for movi20.
2075         * config/sh/sh.h: Likewise.
2076         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
2077         * config/sh/sh.md (udivsi3_sh2a): New.
2078         (udivsi3): Call it.
2079         (divsi3_sh2a): New.
2080         (divsi3): Call it.
2081         (mul_r): New.
2082         (ashlsi3_sh2a): New.
2083         (ashrsi3_sh2a): New.
2084         (lshrsi3_sh2a): New.
2085         (movsi_i): Disable for sh2a.
2086         (movsi_ie): Add movi20.
2087         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
2088         sh2a, for -m2a-nofpu mode.
2089         2004-02-13  DJ Delorie  <dj@redhat.com>
2090         * config/sh/lib1funcs.asm: Handle double vs single better.
2091         * config/sh/sh.h: Likewise.
2092         2004-02-09  DJ Delorie  <dj@redhat.com>
2093         * config/sh/crt1.asm: Add support for sh2a.
2094         * config/sh/elf.h: Likewise.
2095         * config/sh/lib1funcs.asm: Likewise.
2096         * config/sh/sh.c: Likewise.
2097         * config/sh/sh.md: Likewise.
2098         * config/sh/sh.h: Likewise.
2099         * config/sh/t-sh: Likewise.
2100
2101 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2102
2103         * config/frv/frv.md (movqi_internal, movhi_internal,
2104         movsi_internal): Add backup alternatives for memory inputs.
2105
2106 2004-07-28  Matt Austern  <austern@apple.com>
2107
2108         * config/darwin.c (darwin_one_byte_bool): New global variable.
2109         * config/darwin.h (darwin_one_byte_bool): Declare.
2110         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
2111         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
2112         value of darwin_one_byte_bool.
2113         * doc/invoke.texi: Document -mone-byte-bool flag.
2114
2115 2004-07-28  Eric Christopher  <echristo@redhat.com>
2116
2117         * c-common.c (c_common_unsafe_for_reeval): Delete.
2118         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
2119         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
2120         * calls.c (fix_unsafe_tree): Delete.
2121         (expand_call): Delete code which used above.
2122         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
2123         * expr.c (expand_expr_real_1): Ditto.
2124         * fold-const.c (non_lvalue): Ditto.
2125         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2126         (lhd_unsafe_for_reeval): Ditto.
2127         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
2128         * langhooks.h (unsafe_for_reeval): Ditto.
2129         (unsave_expr_now): Adjust comment.
2130         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
2131         (estimate_num_insns_1): Ditto.
2132         * tree-pretty-print.c (dump_generic_node): Ditto.
2133         * tree.c (expr_align): Ditto.
2134         (unsave_expr): Delete.
2135         (unsafe_for_reeval): Ditto.
2136         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
2137         * tree.def (UNSAVE_EXPR): Delete.
2138         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2139
2140 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
2141
2142         * tree.h (enum tls_model): Move ...
2143         * coretypes.h: ... here.
2144
2145 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
2146
2147         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
2148
2149 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2150
2151         * cse.c (validate_canon_reg): New function, split out from...
2152         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
2153
2154 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2155
2156         * tree-ssa-alias.c (maybe_create_global_var): Don't just
2157         return if .GLOBAL_VAR has been created.
2158
2159 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2160
2161         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
2162         every variable that may have aliases, not just tags.
2163
2164 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
2165
2166         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
2167         move_from_CR_eq_bit.
2168         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
2169
2170
2171         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
2172         e500_flip_eq_bit.
2173
2174         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
2175         output_e500_flip_eq_bit.
2176
2177         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
2178         output_e500_flip_eq_bit.
2179         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
2180         output_e500_flip_eq_bit.
2181         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
2182         (print_operand): case D.  Get to EQ bit.
2183
2184 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2185
2186         * gcov.c (function_summary): Add missing \n.
2187
2188 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2189
2190         Introduce sh4a support.
2191         * config.gcc: Handle sh4a multilibs and cpu selection.
2192         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
2193         * config/sh/t-mlib-sh4a: New.
2194         * config/sh/t-mlib-sh4al: New.
2195         * config/sh/t-mlib-sh4a-nofpu: New.
2196         * config/sh/t-mlib-sh4a-single: New.
2197         * config/sh/t-mlib-sh4a-single-only: New.
2198         2004-02-20  DJ Delorie  <dj@redhat.com>
2199         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
2200         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
2201         2003-08-22  Eric Christopher  <echristo@redhat.com>
2202         * config/sh/sh4a.md: Update for chip errata.
2203         2003-08-07  Eric Christopher  <echristo@redhat.com>
2204         * config/sh/sh4a.md: New file. sh4a processor description.
2205         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
2206         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
2207         of -m4a-nofpu.
2208         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
2209         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
2210         * doc/invoke.texi (SH Options): Document -m4al.
2211         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
2212         * config/sh/sh.c (expand_block_move): Remove commented-out code
2213         checked in by mistake.
2214         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
2215         single elements from SFmode vectors.
2216         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
2217         register.
2218         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
2219         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
2220         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
2221         sh_fsca_int2sf): Remove variable declarations.
2222         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
2223         sh_fsca_int2sf): New functions.
2224         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
2225         sh_fsca_int2sf_rtx): New static variables.
2226         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
2227         sh_fsca_int2sf): Declare.
2228         * config/sh/sh.md: Adjust.
2229         * doc/invoke.texi (SH Options): Document new options.
2230         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
2231         compatibility from SH4 code.
2232         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
2233         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
2234         early.
2235         (memory_movsrc_operand): Renamed to...
2236         (unaligned_load_operand): ... this.  Simplified.
2237         * config/sh/sh.h (PREDICATE_CODES): Adjust.
2238         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
2239         input operand to SImode, and adjust the others.  Introduce
2240         post-increment by peephole.
2241         * config/sh/sh.c (expand_block_move): Give the target address the
2242         same mode as the temp reg.
2243         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
2244         copying.
2245         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
2246         Introduce support for SH4a.
2247         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
2248         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
2249         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
2250         sh_fsca_int2sf): New.
2251         (sh_init_builtins): Initialize them.
2252         (print_operand): Support `d'.
2253         (expand_block_move): Use movua if src is misaligned.
2254         (memory_movsrc_operand): New.
2255         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
2256         and one of the SH4 macros.
2257         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
2258         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
2259         SELECT_SH4A_SINGLE): New.
2260         (TARGET_NONE): Add SH4A_BIT.
2261         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
2262         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
2263         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
2264         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
2265         (enum processor_type): Added PROCESSOR_SH4A.
2266         (PREDICATE_CODES): Add memory_movsrc_operand.
2267         * config/sh/sh.md: Removed unused variables.
2268         (attr cpu): Add sh4a.
2269         (attr type): Add movua, fsrra and fsca.
2270         (prefetch): New, for SH4.
2271         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
2272         (toggle_sz): Set type to fp.
2273         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
2274         (movua, extv, extzv): New.
2275         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
2276         and 4a-single-only.
2277
2278 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2279
2280         * tree-optimize.c (init_tree_optimization_passes): Schedule
2281         pass_may_alias right after the program is renamed into SSA.
2282         * tree-pass.h (PROP_alias): Define.
2283         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
2284         * tree-sra.c (pass_sra): Likewise.
2285         * tree-ssa-ccp.c (pass_ccp): Likewise.
2286         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
2287         * tree-ssa-dce.c (pass_dce): Likewise.
2288         * tree-ssa-dom.c (pass_dominator): Likewise.
2289         * tree-ssa-dse.c (pass_dse): Likewise.
2290         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
2291         * tree-ssa-loop-ch.c (pass_ch): Likewise.
2292         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
2293         * tree-ssa-pre.c (pass_pre): Likewise.
2294         * tree-tailcall.c (pass_tail_recursion): Likewise.
2295         * tree-ssa.c (pass_redundant_phi): Likewise.
2296         * tree-ssa-alias.c (aliases_computed_p): Remove.
2297         Update all users.
2298         (init_alias_info): Do not mark all type tags for renaming
2299         unconditionally.
2300         Clear may_aliases from every symbol.
2301         (setup_pointers_and_addressables): If a pointer has not been
2302         dereferenced and it had a type tag, clear it and mark the old
2303         tag for renaming.
2304
2305 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2306
2307         PR tree-optimization/16705
2308         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
2309         .GLOBAL_VAR.
2310
2311 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2312
2313         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
2314         check.
2315
2316         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
2317         don't make another one.
2318
2319         PR optimization/15077
2320         * function.h (struct function): Add field saved_static_chain_decl.
2321         Fix comment for static_chain_decl.
2322         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
2323         * tree-inline.h (save_body): Add new arg.
2324         * tree-optimize.c (tree_rest_of_compilation): Handle saving
2325         static_chain_decl.
2326
2327 2004-07-27  Richard Henderson  <rth@redhat.com>
2328
2329         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
2330         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
2331         is_gimple_addressable.
2332         * tree-gimple.c (is_gimple_addressable): Rename from
2333         is_gimple_addr_expr_arg; accept INDIRECT_REF.
2334         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
2335         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
2336         rename to is_gimple_addressable.
2337
2338 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
2339
2340         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
2341
2342 2004-07-27  Richard Henderson  <rth@redhat.com>
2343
2344         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
2345         before rounding.
2346
2347 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
2348
2349         * libgcc2.c: Change all conditionals testing
2350         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
2351         * libgcc2.h: Likewise.
2352         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
2353         TYPE_PRECISION of float80_type to 80.
2354         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
2355         of fpreg_type and float80_type to 80.
2356         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
2357         * config/m68k/netbsd-elf.h:
2358         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
2359         to evaluate to 80 whenever they would formerly have evaluated to 96.
2360         * config/i386/sco5.h: Remove unnecessary redefinition of
2361         LONG_DOUBLE_TYPE_SIZE.
2362         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
2363         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
2364         XFmode, with a bitsize of 80.  Update commentary.
2365         * config/ia64/ia64-modes.def: Likewise.
2366         * config/m68k/m68k-modes.def: Likewise.
2367
2368 2004-07-27  Steven Bosscher  <stevenb@suse.de>
2369
2370         * cfgexpand.c (tree_expand_cfg): Fix comment.
2371
2372         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
2373         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
2374         Remove.
2375         (prepare_function_start): Don't set rtx_equal_function_value_matters.
2376         * integrate.c (copy_rtx_and_substitute): Don't test for it.
2377         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
2378         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
2379         here again.  Update leading comment.
2380         * rtl.c (rtx_equal_function_value_matters): Remove.
2381         (rtx_equal_p): Don't test for it.
2382         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
2383         Likewise.
2384
2385         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
2386         * rtl.c (note_insn_name): Likewise.
2387         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
2388         * final.c (final_scan_insn): Likewise.
2389
2390         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
2391         * passes.c (rest_of_handle_eh): Do it here.
2392
2393         * stmt.c (struct nesting): Remove struct nesting block member.
2394         (struct stmt_status): Remove x_block_start_count field.
2395         (current_block_start_count): Remove.
2396
2397 2004-07-27  Brian Booth  <bbooth@redhat.com>
2398
2399         * tree-optimize.c (register_one_dump_file): Update condition that uses
2400         static_pass_number.
2401         (dup_pass_1): Replace with...
2402         (next_pass_1): This.
2403         (NEXT_PASS): Call next_pass_1.
2404         (DUP_PASS): Remove.
2405         (init_tree_optimization_passes): Remove uses of DUP_PASS.
2406         (execute_one_pass): Update condition that uses
2407         static_pass_number.
2408         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
2409         integer.
2410
2411 2004-07-27  Nick Clifton  <nickc@redhat.com>
2412
2413         * config/m32r/m32r.c: Include integrate.h in order to get the
2414         prototype for get_hard_reg_initial_val().
2415
2416         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
2417         and tidy up indentation.
2418         (final_presence_set): Use absence_set instead, so that if there is
2419         nothing in the "o" pipe the "s" pipe can be scheduled.
2420
2421 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
2422
2423         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
2424         don't have PT_VARS nor PT_MALLOC set.
2425         Clear name tag from pointers that have not been dereferenced.
2426         (set_pt_anything, set_pt_malloc): Forward declare.
2427         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
2428         not type compatibility when determining if a pointer can be
2429         copy propagated.
2430
2431 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
2432
2433         * expr.h (canonicalize_condition, get_condition): Add an int argument.
2434         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
2435         it to check whether the condition is still valid at the jump insn.
2436         * ifcvt.c (noce_get_condition): Likewise.
2437         (noce_get_alt_condition): Update call to canonicalize_condition.
2438         * loop-iv.c (simplify_using_initial_values): Update call to
2439         get_condition.  Remove FIXME.
2440         (check_simple_exit): Update call to get_condition.
2441         * loop-unswitch.c (may_unswitch_on): Likewise.
2442         * loop.c (check_dbra_loop): Likewise.
2443         (canonicalize_condition, get_condition): Add an argument to say whether
2444         the condition must still be valid at INSN.
2445         (get_condition_for_loop): Update call to get_condition.  Require that
2446         the condition be valid at INSN.
2447         * predict.c (estimate_probability): Update call to get_condition.
2448         Remove unused earliest parameter.
2449         (expected_value_to_br_prob): Update call to canonicalize_condition.
2450
2451 2004-07-26  Eric Christopher  <echristo@redhat.com>
2452
2453         * tree-dfa.c (add_referenced_var): Register initializers of global
2454         variables.
2455
2456 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
2457
2458         * config/i386/i386.c (function_arg): Always treat 8-
2459         and 16-byte wide vectors the same, even if MMX/SSE
2460         are disabled.
2461         (contains_128bit_aligned_vector_p): Add comment.
2462
2463 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
2464
2465         * ra.h (enum node_type): Rename to:
2466         (enum ra_node_type).
2467         * ra-colorize.c: Likewise.
2468
2469 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
2470
2471         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
2472         after simplifying the jump.
2473
2474 2004-06-26  Richard Henderson  <rth@redhat.com>
2475
2476         * calls.c (combine_pending_stack_adjustment_and_call): Make
2477         preferred_unit_stack_boundary argument unsigned.  Make
2478         unadjusted_alignment unsigned.
2479         (expand_call): Make preferred_stack_boundary and
2480         preferred_unit_stack_boundary variables unsigned.
2481         * function.c (assign_stack_local_1): Make alignment unsigned.
2482         * function.h (struct function): Make stack_alignment_needed,
2483         preferred_stack_boundary unsigned.
2484         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
2485         (ix86_compute_frame_layout): Make stack_alignment_needed,
2486         preferred_alignment variables unsigned.
2487         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
2488
2489 2004-07-26  Tom Tromey  <tromey@redhat.com>
2490
2491         * tree.h: Fix typo in comment.
2492
2493 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
2494
2495         PR bootstrap/12804
2496         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
2497         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
2498         (ggc_free): Remove incorrect freeing.
2499         (sweep_pages): Advance PP for large pages.  Fix indentation.
2500
2501 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
2502
2503         PR rtl-optimization/16643
2504         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
2505         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
2506         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
2507         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
2508         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
2509         * function.c (thread_prologue_and_epilogue_insns): Likewise.
2510         * rtl.h (tracer): Add a flags parameter.
2511         * tracer.c (tracer): Pass it to cfg_layout_initialise.
2512         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
2513         (rest_of_handle_reorder_blocks): Update calls to tracer and
2514         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
2515         (rest_of_handle_tracer): Pass 0 to tracer.
2516         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
2517
2518 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
2519
2520         PR target/16239
2521         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
2522         f->f.
2523
2524 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
2525
2526         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
2527         (BINFO_BASE_ACCESS): Adjust.
2528         (BINFO_BASE_ACCESS_APPEND): New.
2529         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
2530         * dbxout.c (dbxout_type): Adjust binfo access accessing.
2531         * dwarf2out.c (gen_member_die): Likewise.
2532         * tree-dump.c (deque_and_dump): Likewise.
2533
2534 2004-07-26  Falk Hueffner  <falk@debian.org>
2535
2536         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
2537         costs.
2538
2539 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2540
2541         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
2542         value off of the stack if TARGET_USE_FFREEP.
2543
2544 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
2545
2546         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
2547         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
2548         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
2549         check on invocation of XRESIZEVEC ().
2550
2551 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
2552
2553         * c-common.c (disable_builtin_function): Rename variable n to
2554         new_disabled_builtin.
2555         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
2556         Rename local variable old to old_decl.
2557         * gensupport.c (shift_output_template): Rename parameter old to src.
2558         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
2559         old_rtx and newx to new_rtx.
2560
2561 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
2562
2563         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
2564         of c-pragma.h.
2565         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
2566         enum cpp_ttype.
2567         * c-lex.c: Likewise.
2568
2569 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2570
2571         * fold-const.c (constant_boolean_node): Make extern.
2572         (make_range): Wrap long lines.
2573         (fold_cond_expr_with_comparison): Remove unnecessary call to
2574         pedantic_non_lvalue.  Add missing calls to fold_convert.
2575         (fold_truthop): Add missing calls to fold_convert.
2576         (fold): Likewise.
2577         * tree.h (constant_boolean_node): Add prototype here.
2578         * builtins.c (expand_builtin_strncmp): Add missing calls to
2579         fold_convert.
2580         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
2581         Call fold_convert and constant_boolean_node to correct types.
2582         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
2583         missing call to fold_convert to correct types.
2584
2585 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
2586             Brian Ryner  <bryner@brianryner.com>
2587
2588         PR c++/9283
2589         PR c++/15000
2590         * c-common.c (c_common_attribute_table): Allow
2591         handle_visibility_attribute to be called for types.
2592         (handle_visibility_attribute) When given a type, set the visibility
2593         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
2594         so that we can check later whether the attribute was present. Added
2595         warning if attribute applied to non class type.
2596         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
2597         decls and checking that they are consistent.
2598         * common.opt: Added -fvisibility.
2599         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
2600         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
2601         * flags.h, tree.h: Added assorted support defines for overall patch
2602         * opts.c: Added parsing support for -fvisibility.
2603         * tree.c (build_decl): Set visibility for all decls to be whatever
2604         is in force at that time.
2605         * varasm.c (default_binds_local_p_1): Reworked logic determining
2606         when to make a symbol locally bound.
2607         * doc/invoke.texi: Added documentation for -fvisibility and
2608         -fvisibility-inlines-hidden.
2609
2610 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2611
2612         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
2613         * c-common.c: Add missing casts from void * to other types.
2614         * c-decl.c: Likewise.
2615         * c-format.c: Likewise.
2616         * c-lex.c: Likewise.
2617         * c-pragma.c: Likewise.
2618         * c-typeck.c: Likewise.
2619         * defaults.h: Likewise.
2620         * genconstants.c: Likewise.
2621         * gengtype-lex.l: Likewise.
2622         * genmodes.c: Likewise.
2623         * read-rtl.c: Likewise.
2624         * rtl.c: Likewise.
2625
2626 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2627
2628         * bitmap.c: Use type-safe memory allocation macros from libiberty.
2629         * c-common.c: Likewise.
2630         * c-decl.c: Likewise.
2631         * c-lang.c: Likewise.
2632         * c-lex.c: Likewise.
2633         * c-opts.c: Likewise.
2634         * c-parse.in: Likewise.
2635         * c-typeck.c: Likewise.
2636         * genconditions.c: Likewise.
2637         * gengtype-lex.l: Likewise.
2638         * gengtype-yacc.y: Likewise.
2639         * gengtype.c: Likewise.
2640         * genmodes.c: Likewise.
2641         * gensupport.c: Likewise.
2642         * read-rtl.c: Likewise.
2643         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
2644         htab_find_slot().
2645
2646 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2647
2648         * c-decl.c (groktypename, groktypename_in_param_context): Rename
2649         variable typename to type_name.
2650         * c-lex.c (interpret_float): Likewise.
2651
2652 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2653
2654         * convert.c (convert_to_real, convert_to_integer,
2655         convert_to_complex): Replace calls to build with calls to buildN.
2656         * coverage.c (tree_coverage_counter_ref): Likewise.
2657         * dojump.c (do_jump): Likewise.
2658         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2659         * emit-rtl.c (component_ref_for_mem_expr,
2660         set_mem_attributes_minus_bitpos): Likewise.
2661         * explow.c (update_nonlocal_goto_save_area): Likewise.
2662         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
2663         expand_mult_add): Likewise.
2664         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
2665         store_constructor, get_inner_reference, expand_expr_real_1,
2666         try_casesi, try_tablejump): Likewise.
2667         * function.c (expand_function_start): Likewise.
2668         * stmt.c (emit_case_bit_tests, expand_end_case_type,
2669         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
2670         * stor-layout.c (place_union_field, layout_type): Likewise.
2671         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
2672         * varasm.c (copy_constant): Likewise.
2673
2674 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2675
2676         * c-common.c: Rename all identifiers named `new'.
2677         * c-decl.c: Likewise.
2678         * gensupport.c: Likewise.
2679         * simplify-rtx.c: Likewise.
2680         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
2681         with XNEW().
2682         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
2683         with XNEWVEC().
2684
2685 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
2686
2687         PR c/15360
2688         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
2689         declarations until after calling pushdecl.
2690         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
2691         "extern" and not on whether the declaration is initialized.
2692
2693 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
2694
2695         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
2696         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
2697         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
2698         "cpplib.h", "c-pragma.h", "c-common.h".
2699         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
2700         (solaris_register_pragmas): New functions.
2701         * config/sol2-protos.h: New file.
2702         * config/sol2.c: New file.
2703         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
2704         (REGISTER_TARGET_PRAGMAS): New macros.
2705         (solaris_pending_aligns, solaris_pending_inits)
2706         (solaris_pending_finis): New variables.
2707         * config/t-sol2 (sol2-c.o): Update dependencies.
2708         (sol2.o): New rule.
2709         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
2710         SUBTARGET_INSERT_ATTRIBUTES.
2711         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
2712         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
2713         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
2714         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
2715         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
2716         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
2717         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
2718         * config/sparc/sparc.c (sparc_attribute_table): New.
2719         (TARGET_INSERT_ATTRIBUTES): Define in terms of
2720         SUBTARGET_INSERT_ATTRIBUTES.
2721         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
2722         is defined.
2723         * doc/extend.texi (Solaris Pragmas): New section.
2724
2725 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2726
2727         * c-common.c: Rename all identifiers named `class' to `cl'.
2728         * c-common.h: Likewise.
2729         * c-parse.in: Likewise.
2730         * c-typeck.c: Likewise.
2731         * genmodes.c: Likewise.
2732         * real.c: Likewise.
2733         * real.h: Likewise.
2734         * recog.c: Likewise.
2735         * recog.h: Likewise.
2736         * regrename.c: Likewise.
2737         * tree.h: Likewise.
2738         * c-common.c (builtin_function_2): Change type of 5th parameter from
2739         int to enum built_in_function. Change type of 8th parameter from int
2740         to bool.
2741         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
2742         with GGC_CNEW().
2743         * c-typeck.c (convert_arguments): Change type of formal_prec from
2744         int to unsigned int.
2745         * genmodes.c (blank_mode): Make a few negative constants unsigned.
2746         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
2747         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
2748         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
2749         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
2750         iterator to for_all_modes () instead of an enum because enums can't
2751         be incremented in C++.
2752
2753
2754 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
2755
2756         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
2757         hard registers.
2758
2759 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2760
2761         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
2762         Handle ARRAY_RANGE_REF like ARRAY_REF.
2763
2764 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
2765
2766         * c-typeck.c (digest_init): Don't allow arrays of signed or
2767         unsigned variants of wchar_t to be initialized by wide string
2768         constants.  Do allow arrays of enumerated types compatible with
2769         wchar_t to be initialized by wide string constants.  Refine tests
2770         distinguishing wide and narrow strings and arrays.  Give specific
2771         error for arrays of other integer types initialized by string
2772         constants.
2773         (output_init_element, process_init_element): Check for
2774         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
2775         initializing with string constants.
2776
2777 2004-07-25  Richard Henderson  <rth@redhat.com>
2778
2779         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
2780         on the RESULT_DECL.
2781         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2782         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
2783         DECL_IGNORED_P to new decl.
2784
2785 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
2786
2787         * config/ia64/ia64.c (general_xfmode_operand)
2788         (destination_xfmode_operand): Delete.
2789         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
2790         * config/ia64/ia64.md (*movxf_internal): Use general_operand
2791         and destination_operand.
2792
2793 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
2794
2795         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
2796         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
2797
2798 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
2799             Zack Weinberg  <zack@codesourcery.com
2800
2801         PR 16684
2802         * c-decl.c (diagnose_mismatched_decls): Don't issue a
2803         redundant-declaration warning the first time a builtin is
2804         declared explicitly.
2805
2806 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2807
2808         * tree.h (staticp): Change return type to bool.
2809
2810 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2811
2812         * c-common.c (c_staticp): Last episode of the staticp saga.
2813
2814 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2815
2816         * c-common.h (c_staticp): Change return type from int to bool.
2817         * tree.c (staticp): Likewise.
2818         * langhooks.h (staticp): Likewise.
2819
2820 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2821
2822         * langhooks-def.h (lhd_staticp): Change return type from int to
2823         bool in prototype to match definition.
2824
2825 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2826
2827         * system.h (bool, true, false): Don't redefine as preprocessor macros
2828         in C++.
2829
2830 2004-07-24  Roger Sayle  <roger@eyesopen.com>
2831
2832         * expmed.c (init_expmed): A signed modulus by a power of two is
2833         considered cheap if its less than or equal to four instructions.
2834
2835 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2836
2837         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
2838         GGC_CNEWVAR): New macros.
2839
2840 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2841
2842         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
2843         lists.
2844         * c-decl.c: Likewise.
2845         * c-format.c: Likewise.
2846         * c-lex.c: Likewise.
2847         * c-opts.c: Likewise.
2848         * c-pragma.c: Likewise.
2849         * c-typeck.c: Likewise.
2850         * gencheck.c: Likewise.
2851         * genconditions.c: Likewise.
2852         * genconfig.c: Likewise.
2853         * genflags.c: Likewise.
2854         * gengtype.c: Likewise.
2855         * gensupport.c: Likewise.
2856         * ggc-none.c: Likewise.
2857         * langhooks.c: Likewise.
2858         * statistics.h: Likewise.
2859         * stub-objc.c: Likewise.
2860         * java/decl.c: Likewise.
2861
2862 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
2863
2864         * config/m68k/m68k.c (output_scc_di): Fix coding style.
2865         (symbolic_operand): Fix prototype.
2866         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
2867         * config/m68k/m68k.md: Add constants for registers a0 and sp and
2868         use them, change from the "{...}" syntax to the simpler {...}
2869         syntax.
2870         (*cfv4_extendqisi2): Fix destination predicate.
2871         * config/m68k/m68k-protos.h: Remove various declarations also
2872         generated via PREDICATE_CODES.
2873
2874 2004-07-23  Mike Stump  <mrs@apple.com>
2875
2876         * c-typeck.c (convert_for_assignment): Tightened up pointer
2877         converstions that differ in signedness.
2878
2879 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
2880
2881         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
2882
2883 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2884
2885         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
2886         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
2887
2888         * gimplify.c (gimplify_compound_lval): Check for no handled
2889         operations, rather than checking for explicit list of nodes.
2890         (is_gimple_addr_expr_arg_or_indirect): New function.
2891         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
2892         redundant setting of TREE_INVARIANT.
2893         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
2894         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
2895
2896 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
2897
2898         PR tree-optimization/16688
2899         PR tree-optimization/16689
2900         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
2901         unnecessary initialization of 'tag'.
2902         (get_tmt_for): Check that the new type tag has the same alias
2903         set as the pointed-to type.
2904         (group_aliases): Only regular variables need to be removed
2905         from the alias set of a name tag.
2906         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
2907         propagation if the two types are not compatible.
2908         (merge_alias_info): Rename from replace_ssa_names_ann.
2909         Add more checking.
2910         (replace_exp_1): If both arguments are SSA_NAMEs, check that
2911         the propagation can be done.
2912         Only call merge_alias_info on pointers.
2913         (propagate_value): Likewise.
2914         * tree-ssa-copyrename.c: Include langhooks.h.
2915         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
2916         to do the merging.
2917         Do not coalesce variables with incompatible types.
2918         (rename_ssa_copies): Call replace_ssa_name_symbol.
2919         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
2920         the same type as the underlying _DECL.
2921         * tree-ssanames.c (replace_ssa_name_symbol): New function.
2922         * tree.h (replace_ssa_name_symbol): Declare.
2923
2924 2004-07-23  Richard Henderson  <rth@redhat.com>
2925
2926         PR c++/16277
2927         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
2928         unshare it properly.
2929         (gimplify_modify_expr_rhs): Push assignment from a conditional into
2930         the conditional for all non-register types.
2931
2932 2004-07-23  Richard Henderson  <rth@redhat.com>
2933
2934         * expr.c (expand_expr_real_1): Don't handle non-local variables.
2935         * expr.h (fix_lexical_addr): Remove.
2936         * function.c (NEED_SEPARATE_AP): Remove.
2937         (fix_lexical_addr): Remove.
2938         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
2939         not null decl_function_context.
2940         (create_alias_vars): Likewise.
2941         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
2942         (simple_goto_p): Likewise.
2943         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
2944         * tree-ssa-ccp.c (get_default_value): Likewise.
2945         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2946         * tree.c (needs_to_live_in_memory): Likewise.
2947         * tree-flow-inline.h (may_be_aliased): Move...
2948         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
2949         when TREE_STATIC variables may be addressable.
2950
2951 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
2952
2953         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
2954
2955 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
2956
2957         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
2958         bitmap contents if GENERATOR_FILE is defined.
2959         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
2960         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
2961
2962 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
2963
2964         * c-decl.c (start_function): Form composite type of function types
2965         rather than copying type from previous prototype declaration.
2966
2967 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
2968
2969         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
2970         the const qualifier for the second argument in the C++ functions.
2971
2972         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
2973         specific pointer types.
2974
2975         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
2976         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
2977         for vector bool and/or vector pixel, add C++ and C missing support.
2978         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
2979         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
2980         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
2981         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
2982         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
2983         missing C++ and C support for vector bool and/or vector pixel.
2984         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
2985         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
2986         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
2987         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
2988         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
2989         C++ and C types used for vector bool and/or vector pixel.
2990         (vec_st, vec_stl): Add C++ support for vector pixel.
2991         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
2992         (vec_all_ne): Add C++ support for vector pixel.
2993
2994         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
2995         (vec_vmulesb): Add missing C++ function.
2996         (vec_perm): Fix type of third argument in C++ function.
2997         (vec_vsum4shs): Fix C++ function name.
2998         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
2999         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
3000         argument passed to the error handler in C macro.
3001         (vec_nmsub): Remove extra parens around argument names in C macro.
3002         (vec_packpx): Add missing parens in C macro.
3003
3004 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
3005
3006         * machmode.def: Remove vector modes.
3007         * config/alpha/alpha-modes.def: Add supported vector modes.
3008         * config/arm/arm-modes.def: Likewise.
3009         * config/frv/frv-modes.def: Likewise.
3010         * config/i386/i386-modes.def: Likewise.
3011         * config/rs6000/rs6000-modes.def: Likewise.
3012         * config/sh/sh-modes.def: Likewise.
3013
3014 2004-07-23  Matthias Klose  <doko@debian.org>
3015
3016         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
3017         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
3018         * config.h: Regenerate.
3019         * configure: Likewise.
3020
3021 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
3022
3023         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
3024         generated SYMBOL_REFs for labels.
3025         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
3026         Change prototype.
3027         (machopic_stub_name): Remove.
3028         (machopic_indirection_name): New function.
3029         (machopic_mcount_stub_name): Likewise.
3030         (machopic_classify_name): Remove.
3031         (machopic_function_base_sym): New function.
3032         (machpoic_classify_symbol): Likewise.
3033         (machopic_classify_ident): Remove.
3034         (machopic_define_ident): Likewise.
3035         (machopic_define_name): Likewise.
3036         (machopic_name_defined_p): Likewise.
3037         (machopic_ident_defined_p): Likewise.
3038         (darwin_strip_name_encoding): Likewise.
3039         (machopic_define_symbol): New function.
3040         * config/darwin.c (hashtab.h): Include.
3041         (machopic_defined_list): Remove.
3042         (machopic_classify_ident): Likewise.
3043         (machopic_classify_name): Likewise.
3044         (machopic_ident_defined_p): Likewise.
3045         (machopic_define_ident): Likewise.
3046         (machopic_define_name): Likewise.
3047         (machopic_symbol_defined_p): New function.
3048         (machopic_classify_symbol): Likewise.
3049         (machopic_data_defined_p): Use machopic_classify_symbol.
3050         (machopic_define_symbol): New function.
3051         (machopic_function_base_sym): New function.
3052         (machopic_non_lazy_pointers): Remove.
3053         (machopic_non_lazy_ptr_name): Likewise.
3054         (machopic_stubs): Likewise.
3055         (machopic_stub_name): Likewise.
3056         (NON_LAZY_POINTER_SUFFIX): New macro.
3057         (STUB_SUFFIX): Likewise.
3058         (machopic_indirection): New structure.
3059         (machopic_indirections): New variable.
3060         (machopic_indirection_hash): New function.
3061         (machopic_indirection_eq): Likewise.
3062         (machopic_indirection_name): Likewise.
3063         (machopic_mcount_stub_name): New function.
3064         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
3065         hash table.
3066         (machopic_indirect_data_reference): Rework to use new functions.
3067         (machopic_indirect_call_target): Likewise.
3068         (machopic_legitimize_pic_address): Likewise.
3069         (machopic_output_indirection): New function.
3070         (machopic_finish): Use it.
3071         (machopic_operand_p): Rework to use new functions.
3072         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
3073         (darwin_strip_name_encoding): Remove.
3074         (update_non_lazy_ptrs): Remove.
3075         (update_stubs): Likewise.
3076         (darwin_non_lazy_pcrel): Use new functions.
3077         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
3078         (ASM_OUTPUT_LABELREF): Likewise.
3079         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3080         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
3081         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
3082         (TARGET_STRIP_NAME_ENCODING): Do not use
3083         darwin_strip_name_encoding.
3084         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
3085         darwin_strip_name_encoding.
3086         * config/i386/darwin.h (FUNCTION_PROFILER): Use
3087         machopic_mcount_stub_name.
3088         * config/i386/i386.c (x86_output_mi_thunk): Use
3089         machopic_indirection_name, not machopic_stub_name.
3090         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
3091         machopic_function_base_sym.
3092         (print_operand): Use machopic_classify_symbol.
3093         (rs6000_emit_prologue): Use machopic_function_base_sym.
3094         (output_profile_hook): Do not use machopic_stub_name.
3095         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
3096
3097 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3098
3099         PR c/7284
3100         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
3101         as multiplication.
3102
3103 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3104
3105         * doc/implement-c.texi: New file.
3106         * doc/extend.texi (C Implementation): Move to there.
3107         * doc/gcc.texi: Include implement-c.texi.
3108         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
3109
3110 2004-07-22  Jason Merrill  <jason@redhat.com>
3111
3112         * integrate.c (copy_decl_for_inlining): Remove invisible reference
3113         handling.
3114         * tree-inline.c (setup_one_parameter): Likewise.
3115
3116 2004-07-22  Brian Booth  <bbooth@redhat.com>
3117
3118         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
3119         (substitute_and_fold): Propigate into VUSE operands when possible.
3120         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
3121         (cp_lattice_meet): Handle merging of latticevalues when
3122         UNKNOWN_VAL is present.
3123         (visit_stmt): Visit assignments with V_MUST_DEFs.
3124         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
3125         (ccp_fold): Deal with RHS' that are constant and virtual.
3126         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
3127         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
3128         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
3129         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
3130         computing immediate uses.
3131         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
3132         transition.
3133         (replace_vuse_in): New function.
3134         (likely_value): Add check of vuse operands.
3135         (get_default_value): Set the default value of virtually defined
3136         variables to UKNOWN_VAL instead of VARYING.
3137
3138 2004-07-22  Richard Henderson  <rth@redhat.com>
3139
3140         * expr.c (emit_push_insn): Don't use set_mem_attributes.
3141
3142 2004-07-22  Richard Henderson  <rth@redhat.com>
3143
3144         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
3145         variables due to conditional compilation.
3146
3147 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
3148
3149         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
3150         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
3151         Release SSA names that have been re-renamed.
3152         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
3153         variable.
3154         * tree-ssa-alias.c (init_alias_info): If aliases have been
3155         computed before, clear existing alias information.
3156         (create_name_tags): Do no fixup PT_ANYTHING pointers.
3157         If the new name tag for a pointer is different than the one it
3158         had before, mark the old tag for renaming.
3159         (replace_may_alias): New function.
3160         (group_aliases): Call it.
3161         (setup_pointers_and_addressables): Always call get_tmt_for.
3162         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
3163         once.
3164         (set_pt_anything): New local function.
3165         (set_pt_malloc): New local function.
3166         (merge_pointed_to_info): Don't merge pointed-to variables from
3167         the original pointer if the destination is pointing to an
3168         unknown location.
3169         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
3170         (add_pointed_to_var): Do not add a variable to the points-to
3171         set if the pointer is already pointing to anywhere.
3172         (collect_points_to_info_r): If the defining statement is a PHI
3173         node, only merge pointed-to information if the argument has
3174         already been visited.
3175         (get_tmt_for): Only create a new tag if the pointer didn't
3176         have one already.
3177         (dump_alias_info): Emit more information.
3178         (dump_points_to_info_for): Likewise.
3179         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
3180         try to get the annotation of an SSA_NAME.
3181         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
3182         alias sets when checking is enabled.
3183         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
3184         (eliminate): Mark basic blocks that will need
3185         EH information cleaned up.
3186         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
3187         predecessor.
3188         Initialize need_eh_cleanup.
3189         (fini_pre): Call tree_purge_all_dead_eh_edges and
3190         cleanup_tree_cfg if needed.
3191         Free need_eh_cleanup.
3192         * tree-ssa.c (verify_ssa_name): New function.
3193         (verify_def): Call it.
3194         Re-arrange to avoid printing too many error messages.
3195         (verify_use): Likewise.
3196         (verify_phi_args): Likewise.
3197         (verify_flow_insensitive_alias_info): New function.
3198         (verify_flow_sensitive_alias_info): New function.
3199         (verify_alias_info): New function.
3200         (verify_ssa): Call verify_alias_info.
3201         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
3202         program.
3203         Re-arrange to avoid printing too many error messages.
3204         * tree-ssanames.c (make_ssa_name): Clear
3205         SSA_NAME_IN_FREE_LIST.
3206         (release_ssa_name): Never release a default definition.
3207         (release_defs): New function.
3208         * tree.h: Declare it.
3209         * tree-ssa-dce.c (remove_dead_stmt): Call it.
3210
3211 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
3212
3213         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
3214         If true, do a depth-first search.  Do a breadht-first search,
3215         otherwise.
3216         (walk_use_def_chains): Add new argument IS_DFS.
3217         Update all users.
3218         * tree-flow.h (walk_use_def_chains): Update prototype.
3219
3220 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
3221
3222         * config/cris/cris.md: Tweak formatting.
3223         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
3224         (mover2side, moverside, movemside, movei, op3, andu): Replace
3225         live define_peephole:s with define_peephole2 near-equivalents.
3226         Delete the rest.
3227         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
3228         word-size modes.
3229         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
3230         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
3231         "*mov_sidesi_mem" respectively.
3232
3233 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
3234
3235         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
3236         (gimplify_build1): Move from tree-complex.c do_unop.
3237         (gimplify_build2): Move from tree-complex.c do_binop.
3238         (gimplify_build3): New.
3239         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
3240         Adjust throughout to call the functions above.
3241         * tree-flow.h: Declare the functions above.
3242         * tree-nested.c (gimplify_val): Rename to...
3243         (tsi_gimplify_val): ... this.
3244
3245         * Makefile.in (tree_complex.o): Update dependencies.
3246         (stor-layout.o): Depend on regs.h.
3247         * c-common.c (handle_vector_size_attribute): Update for
3248         vector types without corresponding vector modes.
3249         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
3250         a corresponding vector mode is not available.
3251         * print-tree.c (print_node): Print nunits for vector types
3252         * regclass.c (have_regs_of_mode): New.
3253         (init_reg_sets_1): Initialize it and use it instead
3254         of allocatable_regs_of_mode.
3255         * regs.h (have_regs_of_mode): Declare it.
3256         * stor-layout.c (layout_type): Pick a mode for vector types.
3257         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
3258         build_replicated_const, do_unop, do_binop, do_plus_minus,
3259         do_negate, expand_vector_piecewise, expand_vector_parallel,
3260         expand_vector_addition, expand_vector_operations_1,
3261         expand_vector_operations, tree_lower_operations,
3262         pass_lower_vector_ssa, pass_pre_expand): New.
3263         (expand_complex_operations, pass_lower_complex): Remove.
3264         * tree-optimize.c (init_tree_optimization_passes): Adjust
3265         pass ordering for changes in tree-complex.c.
3266         * tree-pass.h: Declare new passes.
3267         * tree.c (finish_vector_type): Remove.
3268         (make_vector_type): New.
3269         (build_vector_type_for_mode, build_vector_type): Rewritten.
3270         * tree.def (VECTOR_TYPE): Document where the number of
3271         subparts is stored.
3272         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
3273         (make_vector): Remove declaration.
3274
3275 2004-07-21  Richard Henderson  <rth@redhat.com>
3276
3277         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
3278         TREE_THIS_VOLATILE, may_aliases, or optimization level.
3279         (remove_useless_vars): Dump debugging info.
3280         (expand_used_vars): Move ...
3281         * cfgexpand.c (expand_used_vars): ... here.  Make static.
3282         * tree-flow-inline.h (set_is_used): New.
3283         (set_default_def): Use get_var_ann.
3284         * tree-flow.h: Update decls.
3285         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
3286         (create_ssa_var_map): Use it.
3287         * tree-ssa.c (set_is_used): Remove.
3288
3289 2004-07-22  Ben Elliston  <bje@au.ibm.com>
3290
3291         * gdbinit.in: Set a breakpoint on internal_error.
3292
3293 2004-07-21  Richard Henderson  <rth@redhat.com>
3294
3295         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
3296         to create a new basic block.
3297
3298 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3299
3300         PR c/15052
3301         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
3302         return type on function definitions.  Move other warnings for
3303         qualified return type to -Wreturn-type.  Do not condition any such
3304         warnings on -pedantic.  Update comments.
3305         (start_function): Only copy function type from previous prototype
3306         declaration if return types are compatible.
3307         * c-typeck.c (function_types_compatible_p): Don't condition
3308         warning for incompatibility of volatile qualifiers on the return
3309         type on -pedantic.  Update comment.
3310         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
3311
3312 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3313
3314         * c-typeck.c (set_init_index): Require designator to be of integer
3315         type.
3316
3317 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3318
3319         PR c/11250
3320         * c-parse.in (init): Change to exprtype.
3321         (primary): Set original_code for STRING to STRING_CST.
3322         Call maybe_warn_string_init for compound literals.
3323         (initdcl, notype_initdcl): Call maybe_warn_string_init.
3324         (initval): Update.
3325         * c-tree.h (maybe_warn_string_init): New.
3326         (pop_init_level, process_init_element): Use struct c_expr.
3327         (struct c_expr): Update comment.
3328         * c-typeck.c (maybe_warn_string_init): New function.
3329         (digest_init): Call it.  Additional parameter strict_string.  All
3330         callers changed.
3331         (output_init_element): Likewise.
3332         (struct constructor_stack): Use struct c_expr for
3333         replacement_value.
3334         (really_start_incremental_init, push_init_level): Update.
3335         (pop_init_level): Update.  Return struct c_expr.
3336         (process_init_level): Update.  Take struct c_expr argument.
3337
3338 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
3339
3340         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
3341         commit.
3342
3343 2004-07-21  Eric Christopher  <echristo@redhat.com>
3344
3345         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
3346         removal.
3347         * c-decl.c (pop_scope): Ditto.
3348         * calls.c (expand_call): Remove call to current_nesting_level,
3349         update comment accordingly. Remove calls to expand_start_target_temps
3350         and expand_end_target_temps.
3351         * cfgexpand.c (construct_init_block): Remove call to
3352         expand_start_bindings_and_block.
3353         (construct_exit_block): Remove call to expand_end_bindings.
3354         * expr.c (safe_from_p): Remove BIND_EXPR handling.
3355         (expand_expr_real_1): Ditto. Fix formatting.
3356         (expand_vars): Delete.
3357         * stmt.c (POPSTACK): Remove block_stack.
3358         (stmt_status): Remove x_block_stack.
3359         (block_stack): Delete.
3360         (expand_start_bindings_and_block): Ditto.
3361         (expand_start_target_temps): Ditto.
3362         (expand_end_target_temps): Ditto.
3363         (current_nesting_level): Ditto.
3364         (warn_about_unused_variables): Ditto.
3365         (expand_end_bindings): Ditto.
3366         * tree.h: Remove declarations for above.
3367
3368 2004-07-21  Steven Bosscher  <stevenb@suse.de>
3369
3370         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
3371         * rtl.c (note_insn_name): Likewise.
3372         * print-rtl.c (print_rtx): Don't print it.
3373         * cfgrtl.h (can_delete_note_p): Don't handle it.
3374         (rtl_delete_block): Likewise.
3375         * passes.c (rest_of_handle_guess_branch_prob): Remove.
3376         (rest_of_compilation): Don't call it.
3377         * predict.c (process_note_predictions, process_note_prediction,
3378         note_prediction_to_br_prob): Remove.
3379         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
3380         * stmt.c (return_prediction): Remove.
3381         (expand_value_return): Don't call it.  Don't add prediction
3382         notes for return statements.
3383
3384 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
3385
3386         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
3387         once.
3388
3389 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
3390
3391         * c-common.c (vector_types_convertible_p): Use vector types'
3392         TYPE_SIZE and TREE_TYPE instead of their mode.
3393         * convert.c (convert_to_integer): Likewise.
3394         (convert_to_vector): Likewise.
3395         * fold-const.c (fold_convert): Likewise.
3396         * varasm.c (output_constant): Likewise.
3397         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
3398         Allow a VECTOR_TYPE initializer to be made of several vectors.
3399         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
3400         of cleared and need_to_clear, and use fold_convert.
3401         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
3402         integer vectors.
3403
3404 2004-07-20  Richard Henderson  <rth@redhat.com>
3405
3406         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
3407         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
3408
3409 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
3410
3411         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
3412         enormous cost if not TARGET_HARD_MUL.
3413
3414 2004-07-20  Andrew Pinski  <apinski@apple.com>
3415
3416         PR target/16557
3417         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
3418         (ASM_SPEC): here.
3419
3420 2004-07-21  Paul brook  <paul@codesourcery.com>
3421
3422         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
3423
3424 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3425
3426         * fold-const.c (operand_equal_p): Temporarily support NULL args.
3427         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
3428         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
3429
3430 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
3431
3432         * rtl.h (plus_constant): Delete.
3433         (plus_constant_wide): Rename to plus_constant.
3434         (plus_constant_for_output_wide): Delete vestigial prototype.
3435         (GEN_INT): Remove unnecessary cast.
3436         * tree.h (build_int_2, size_int_type): Delete.
3437         (build_int_2_wide): Rename to build_int_2.
3438         (size_int_wide): Rename to size_int_kind.
3439         (size_int_type_wide): Rename to size_int_type.
3440         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
3441         Remove unnecessary cast.
3442         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
3443         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
3444         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
3445         (size_int_type_wide): Rename size_int_type.
3446         (int_const_binop): Use size_int_type.
3447         * c-lex.c (interpret_integer): Use build_int_2.
3448         * final.c (split_double): Remove unnecessary casts.
3449         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
3450
3451 2004-07-20  Richard Henderson  <rth@redhat.com>
3452
3453         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
3454         (gimplify_compound_lval): Use is_gimple_tmp_reg.
3455         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
3456         (is_gimple_tmp_reg): New.
3457         * tree-gimple.h (is_gimple_tmp_reg): Declare.
3458
3459 2004-07-20  Richard Henderson  <rth@redhat.com>
3460
3461         * tree-pretty-print.c (dump_generic_node): Dump
3462         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
3463
3464 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
3465
3466         * tree-mudflap.c (mf_set_options_fndecl): New tree.
3467         (mudflap_init): Set it.
3468         (mudflap_register_call): Remove __mf_init call.
3469         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
3470         to pass "-ignore-reads" option to libmudflap if needed.
3471
3472 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
3473
3474         PR c++/14607
3475         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
3476         (MAKE_DECL_ONE_ONLY): Undefine.
3477         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
3478         readonly_data, one_only_data_section, forget_section): New prototypes.
3479         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
3480         functions.
3481         (pa_select_section): Add one-only (COMDAT) support.
3482         * pa.h (struct machine_function): Define.
3483         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
3484         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
3485         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3486         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3487         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
3488         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
3489         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
3490         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3491         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
3492         for EXTRA_SECTION_FUNCTIONS.
3493         * doc/install.texi: Update binutils requirements.
3494
3495 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
3496
3497         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
3498         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
3499         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
3500         size_t.
3501         (struct VEC): Use unsigned for num and alloc.
3502         * vec.c (struct vec_prefix): Likewise.
3503         (vec_o_reserve): Adjust.
3504
3505         * dbxout.c (dbxout_type): Fix printf format.
3506
3507         * tree.h (binfo_member): Remove.
3508         * tree.c (binfo_member): Remove.
3509
3510 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
3511
3512         * tree.h: Include vec.h
3513         (DEF_VEC_P(tree)): New type.
3514         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
3515         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
3516         (BINFO_LANG_SLOT): Remove.
3517         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
3518         (struct tree_binfo): Turn base_binfos into a trailing
3519         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
3520         (binfo_lang_slots): Remove.
3521         * tree.c (binfo_lang_slots): Remove.
3522         (make_tree_binfo_stat): Take a base binfo count, not a
3523         lang slot count.  Adjust.
3524         * Makefile.in (TREE_H): Add vec.h
3525         * alias.c (record_component_aliases): Adjust BINFO access.
3526         * dbxout.c (dbxout_type): Likewise.
3527         * dwarf2out.c (gen_member_die): Likewise.
3528         * sdbout.c (sdbout_one_type): Likewise.
3529         * tree-dump.c (deque_and_dump): Likewise.
3530         * config/i386/i386.c (classify_argument,
3531         contains_128bit_aligned_vector_p): Likewise.
3532         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
3533         * doc/c-tree.texi (Classes): Update BINFO documentation.
3534
3535 2004-07-20  Steven Bosscher  <stevenb@suse.de>
3536
3537         * c-common.h (check_case_value): Remove prototype.
3538         (c_add_case_label): Adjust prototype.
3539         * c-common.c (check_case_value): Make static.
3540         (check_case_bounds): New function.
3541         (c_add_case_label): Use it.  Take new argument orig_type.
3542         * c-typeck.c (struct c_switch): New orig_type field.
3543         (c_start_case): Set it.
3544         (do_case): Pass it to c_add_case_label.
3545         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
3546         cases from here.  Add the labels in reverse order.
3547         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
3548         (add_case_node): Return nothing, don't check for duplicate cases.
3549         Insert new case nodes in a list, not in an AVL tree.
3550         (expand_end_case_type): Don't turn a case tree into a case list.
3551         (case_tree2list): Remove.
3552         * tree.h (add_case_node): Adjust prototype.
3553
3554 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
3555
3556         * genattr.c (struct range, struct function_unit,
3557         write_units, extend_range, init_range): Remove them.
3558         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
3559         Output "#define INSN_SCHEDULING" here.
3560         * genattrtab.c (struct range, struct function_unit_op,
3561         struct function_unit, struct dimension, enum operator,
3562         operate_exp, expand_units, simplify_knowing,
3563         encode_units_mask, simplify_by_exploding,
3564         find_and_mark_used_attributes, unmark_used_attributes,
3565         add_values_to_cover, increment_current_value,
3566         test_for_current_value, simplify_with_current_value,
3567         simplify_with_current_value_aux, gen_unit,
3568         write_unit_name, write_function_unit_info,
3569         write_complex_function, write_toplevel_expr,
3570         find_single_value, extend_range): Remove.
3571         (write_attr_get): Do not handle common_av->value
3572         being an FFS.
3573         (struct attr_desc): Remove func_units_p and blockage_p.
3574         (write_attr_valueq): Do not handle them.
3575         (find_attr): Do not clear them.
3576         (make_internal_attr): Do not initialize them.
3577         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
3578         * sched-vis.c (init_target_units, insn_print_units,
3579         init_block_visualization, print_block_visualization,
3580         visualize_scheduled_insns, visualize_no_unit,
3581         visualize_stall_cycles, visualize_alloc,
3582         visualize_free, target_units, get_visual_tbl_length,
3583         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
3584         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
3585         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
3586         * haifa-sched.c (blockage_range, clear_units,
3587         schedule_unit, actual_hazard, potential_hazard,
3588         insn_unit, unit_last_insn, unit_tick,
3589         actual_hazard_this_instance, potential_hazard,
3590         schedule_unit, max_insn_queue_index_value): Remove.
3591         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
3592         max_insn_queue_index.
3593         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
3594         * doc/md.texi (Processor pipeline description): Remove
3595         references to old pipeline descriptions.
3596         (Automaton pipeline description): Merge with the above.
3597         (Old pipeline description, Comparison of the two descriptions):
3598         Remove.
3599
3600         * bt-load.c (migrate_btr_def): Remove references to
3601         use_pipeline_interface.
3602         * haifa-sched.c (insn_cost, schedule_insn,
3603         schedule_block, advance_one_cycle, sched_init,
3604         queue_to_ready, sched_finish): Likewise.
3605         * modulo-sched.c (sms_schedule, advance_one_cycle,
3606         ps_has_conflicts): Likewise.
3607         * sched-rgn.c (init_ready): Likewise.
3608         (debug_dependencies): Likewise, and remove an "if (1)".
3609         * target.h (use_dfa_pipeline_interface): Remove.
3610         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3611         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3612         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3613         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3614         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3615         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3616         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3617         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3618         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3619         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3620         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3621         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3622         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3623         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3624         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3625         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3626         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3627         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3628         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3629
3630 2004-07-19  Roger Sayle  <roger@eyesopen.com>
3631
3632         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
3633
3634 2004-07-19  Jeff Law  <law@redhat.com>
3635
3636         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
3637         (get_eq_expr_value): Use it.  Simplify slightly.
3638
3639 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
3640
3641         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
3642         (umulsidi3_32bit_r4000): Likewise.
3643
3644 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
3645
3646         * vec.h: Propagate location information properly.
3647         (VEC_T_iterate): Add result pointer parameter.
3648         (VEC_T_space): New.
3649         (VEC_T_reserve): Use it.
3650
3651 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
3652
3653         * Makefile.in (c-format.o): Depend on c-format.h.
3654         * c-format.h: New file.
3655         (struct format_char_info): Add CHAIN member.
3656         * c-format.c: Move some types and constants to c-format.h.
3657         (format_type_error): Set to -1.
3658         (struct function_format_info): Use an int for format_type.
3659         (decode_format_type): Return an int.  Return format_type_error
3660         on error.
3661         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
3662         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
3663         (scan_char_table, time_char_table, monetary_char_table): Initialize
3664         CHAIN to NULL.
3665         (n_format_types): New variable.
3666         (check_format_info_main): Handle CHAIN in format_char_info.
3667         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
3668         TARGET_N_FORMAT_TYPES.
3669         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
3670         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
3671         * config/sol2-c.c: New file.
3672         * config/t-sol2: New file.
3673         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
3674         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
3675         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
3676
3677         * doc/extend.texi (Target Format Checks): New section.
3678         (Function Attributes): Mention it.
3679         * doc/invoke.texi: Mention target format checks.
3680         * doc/sourcebuild.texi: Mention target format checks.
3681         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
3682         TARGET_FORMAT_TYPES.
3683
3684 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3685
3686         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
3687         added.
3688         * config/s390/s390.c (regclass_map initializer): Register 35 added to
3689         ADDR_REGS.
3690         (load_multiple_operation, store_multiple_operation): Removed
3691         pointless sanity check.
3692         (s390_decompose_address): Added check for return_address_pointer_rtx.
3693         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
3694         (s390_return_address_offset): New function.
3695         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
3696         (FRAME_REGNO_P): Added check for register 35.
3697         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
3698         REG_ALLOC_ORDER): Appended entry for register 35.
3699         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
3700         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
3701         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
3702         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
3703         is eliminable using stack pointer or hard frame pointer.
3704         (REGISTER_NAMES): Added name for register 35.
3705         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
3706         pointless sanity check.
3707
3708 2004-07-19  Roger Sayle  <roger@eyesopen.com>
3709
3710         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
3711         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
3712         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
3713         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
3714         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
3715         (fold_relational_const): Tidy up handling of floating point
3716         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
3717         transformation; fold_relational_const assumes constant operands.
3718
3719 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
3720
3721         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
3722         directory.
3723
3724 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
3725
3726         * c-tree.h (struct c_expr): Define.
3727         (C_SET_EXP_ORIGINAL_CODE): Remove.
3728         (parser_build_binary_op, build_compound_expr): Update prototypes.
3729         * c-parse.in (%union): Add exprtype.
3730         (FUNC_NAME): Mark as ttype.
3731         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
3732         exprtype.
3733         (expr): Update.  Define directly in terms of expr_no_commas
3734         instead of using nonnull_exprlist.
3735         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
3736         offsetof_member_designator, typespec_nonreserved_nonattr, init,
3737         initval, designator, component_declarator,
3738         component_notype_declarator, enumerator, array_declarator,
3739         condition, exexpr, switch_statement, stmt_nocomp, stmt,
3740         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
3741         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
3742         where appropriate.
3743         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
3744         * c-common.c (c_common_truthvalue_conversion): Don't check
3745         C_EXP_ORIGINAL_CODE.
3746         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
3747         Don't use C_EXP_ORIGINAL_CODE.
3748         (default_conversion, default_function_array_conversion): Don't use
3749         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
3750         (internal_build_compound_expr): Merge into build_compound_expr.
3751         (build_compound_expr): Take two operands instead of a TREE_LIST.
3752         * objc/objc-act.c (get_super_receiver): Update calls to
3753         build_compound_expr.
3754
3755 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
3756
3757         * config/sh/sh.c (sh_use_dfa_interface): Remove.
3758         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
3759         hook_int_void_1.
3760         * config/sh/sh.md: Extract pipeline descriptions
3761         into separate files.
3762         * config/sh/sh1.md: New file, extracted from sh.md.
3763         * config/sh/sh4.md: New file, extracted from sh.md.
3764         * config/sh/shmedia.md: New file, extracted from sh.md
3765         and rewritten using new-style pipeline description.
3766
3767 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
3768
3769         * config/pa/pa.md: Delete the two remaining define_peephole
3770         patterns.
3771
3772 2004-07-18  Steven Bosscher  <stevenb@suse.de>
3773             Joseph S. Myers  <jsm@polyomino.org.uk>
3774
3775         * c-common.c (c_common_truthvalue_conversion): Don't warn if
3776         TREE_NO_WARNING is set.
3777
3778 2004-07-18  Roger Sayle  <roger@eyesopen.com>
3779
3780         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
3781         simplify_builtin_strncmp): Delete.
3782         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
3783         Change argument to accept an arglist instead of an "exp".  Assume
3784         that the return type is always integer_type_node.  Copy missing
3785         transformations from their now obsolete simplify_builtin_*
3786         equivalents.
3787         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
3788         fold_builtin_strcmp and fold_builtin_strncmp.
3789         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
3790         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
3791         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
3792
3793 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
3794
3795         * Makefile.in (tree-alias-common.o): Update dependencies.
3796
3797 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
3798
3799         * cfgloop.c (flow_loop_nested_p): Fix comment.
3800
3801 2004-07-17  Jason Merrill  <jason@redhat.com>
3802
3803         PR c++/16115
3804         * stor-layout.c (relayout_decl): New fn.
3805         * tree.h: Declare it.
3806         (DECL_BY_REFERENCE): New macro.
3807
3808 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
3809
3810         * libgcc2.c (__enable_execute_stack): New symbol.
3811         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
3812         and declare __enable_execute_stack.
3813         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
3814         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
3815         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3816         ENABLE_EXECUTE_STACK.
3817         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
3818         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3819         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3820         ENABLE_EXECUTE_STACK.
3821         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3822         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
3823         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3824         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3825         ENABLE_EXECUTE_STACK.
3826         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3827         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3828         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3829         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3830         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
3831         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3832         (sparc64_initialize_trampoline): Likewise.
3833         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
3834
3835 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
3836
3837         * langhooks.h (builtin_function): New langhook.
3838         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
3839         (LANG_HOOKS_INITIALIZER): Update.
3840         * tree.h (builtin_function): Remove.
3841         * doc/tm.texi: Update.
3842         * c-tree.h (builtin_function): Declare.
3843         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
3844         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
3845         config/ia64/ia64.c, config/iq2000/iq2000.c,
3846         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
3847         config/stormy16/stormy16.c: All callers of builtin_function
3848         changed.
3849
3850 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
3851
3852         PR target/16556
3853         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
3854         Remove white space after the backslash.
3855
3856 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3857
3858         PR rtl-optimization/16294
3859         * resource.c (return_insn_p): New predicate.
3860         (mark_target_live_regs): Use it.  Special-case return insns.
3861         (init_resource_info): Use it.  Don't scan the epilogue past
3862         a return.
3863
3864 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3865
3866         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
3867         destroy dominance information.
3868         * passes.c (rest_of_handle_loop2):  Free dominance information.
3869         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
3870         jump threading.
3871         (thread_jumps): Update dominance information and remove unreachable
3872         blocks.
3873         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
3874         information and remove the unreachable block.
3875
3876 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
3877
3878         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
3879
3880 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
3881
3882         * doc/sourcebuild.texi: Remove libf2c entry.
3883
3884 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
3885
3886         * config/i386/i386.md (movv16qi_internal): Fix typo.
3887
3888 2004-07-17  Steven Bosscher  <stevenb@suse.de>
3889
3890         * final.c (final_scan_insn): Fix broken commit from previous
3891         patch.
3892
3893 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
3894
3895         * c-typeck.c (parser_build_binary_op): Condition warnings for
3896         X<=Y<=Z on -Wparentheses instead of -Wextra.
3897         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
3898         supported for C only.
3899
3900 2004-07-17  Steven Bosscher  <stevenb@suse.de>
3901
3902         * cfgcleanup.c (try_simplify_condjump): Don't remove line
3903         notes to avoid unreachable code warnings.
3904         * toplev.c (backend_init): Don't emit line notes for
3905         unreachable code warnings.
3906
3907         * combine.c (distribute_notes): Don't distribute a
3908         REG_VTABLE_REF note.
3909         * final.c (final_scan_insn): Don't handle it.
3910         * rtl.c (reg_note_name): Remove it.
3911         * rtl.h (enum reg_node): Dito.
3912
3913         * emit-rtl.c (force_line_numbers, restore_line_number_status):
3914         Remove.
3915         * rtl.h (force_line_numbers, restore_line_number_status):
3916         Remove prototypes.
3917
3918         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
3919         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
3920         (using_eh_for_cleanups): Also moved here.
3921
3922         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
3923         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
3924         to expand_start_case and add_case_node.
3925         * stmt.c (struct nesting): Cleanup unused fields condition_code,
3926         last_unconditional_cleanup, nominal_type, printname, and
3927         line_number_status.
3928         (struct fixup_goto): Remove.
3929         (struct stmt_status): Remove x_goto_fixup_chain field.
3930         (goto_fixup_chain): Remove.
3931         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
3932         pushcase, pushcase_range): Remove.
3933         (expand_start_bindings_and_block): Don't set unused fields in
3934         the nesting stack.
3935         (expand_start_case, add_case_node): Cleanup unused formal arguments.
3936         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
3937         instead of emit_jump_if_reachable.
3938         (emit_case_nodes): Likewise.
3939         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
3940         static.
3941         (update_eh_label): Work around left-over exception handing regions.
3942         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
3943         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
3944         (pass_cleanup_cfg_post_optimizing): New pass.
3945         (init_tree_optimization_passes): Run the new pass after all
3946         optimizations.
3947         * tree.h (pushcase, pushcase_range): Remove prototypes.
3948         (expand_start_case, add_case_node): Update prototypes.
3949
3950 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
3951
3952         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
3953
3954 2004-07-16  Richard Henderson  <rth@redhat.com>
3955
3956         * builtins.c (std_expand_builtin_va_arg): Remove.
3957         (expand_builtin_va_arg): Remove.
3958         * expr.h: Don't declare them.
3959         * gimplify.c (mark_decls_volatile_r): Remove.
3960         (copy_if_shared_r): Don't call it.
3961         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
3962         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
3963         * gimple-low.c (lower_stmt): Likewise.
3964         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
3965         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
3966         * tree-ssa-operands.c (get_expr_operands): Likewise.
3967         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
3968         EXPAND_BUILTIN_VA_ARG.
3969         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
3970         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
3971         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
3972         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3973
3974 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
3975
3976         * tree-ssa-pre.c (insert_aux): Break out if we hit
3977         a critical edge.
3978
3979 2004-07-16  Richard Henderson  <rth@redhat.com>
3980
3981         * basic-block.h (remove_fake_exit_edges): Declare.
3982         * cfganal.c (remove_fake_predecessors): Rename from
3983         remove_fake_successors; iterate over predecessors.
3984         (remove_fake_exit_edges): New.
3985         * cfgcleanup.c (try_optimize_cfg): Use it.
3986         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
3987         * predict.c (estimate_probability): Likewise.
3988         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
3989         * tree-cfg.c (make_edges): Likewise.
3990         * tree-ssa-pre.c (fini_pre): Likewise.
3991         * profile.c (instrument_edges): Don't remove_fake_edges.
3992         (branch_prob): Do it earlier here.
3993
3994 2004-07-16  Richard Henderson  <rth@redhat.com>
3995
3996         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
3997         switchification wrt CONSTRUCTOR.  Document the reason.
3998
3999 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
4000
4001         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
4002         that prevented descriptive __mf_check source location strings.
4003
4004 2004-07-16  Richard Henderson  <rth@redhat.com>
4005
4006         * tree-def (WITH_SIZE_EXPR): New.
4007         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
4008         * expr.c (expand_expr_real_1): Likewise.
4009         * gimplify.c (maybe_with_size_expr): New.
4010         (gimplify_arg, gimplify_modify_expr): Use it.
4011         (gimplify_modify_expr_to_memcpy): Take size parameter.
4012         (gimplify_modify_expr_to_memset): Likewise.
4013         (gimplify_expr): Handle WITH_SIZE_EXPR.
4014         * tree-alias-common.c (find_func_aliases): Likewise.
4015         * tree-eh.c (tree_could_trap_p): Likewise.
4016         (tree_could_throw_p): Likewise.
4017         * tree-gimple.c (is_gimple_lvalue): Likewise.
4018         (get_call_expr_in): Likewise.
4019         * tree-inline.c (estimate_num_insns_1): Likewise.
4020         (expand_calls_inline): Likewise.
4021         * tree-nested.c (convert_call_expr): Likewise.
4022         * tree-pretty-print.c (dump_generic_node): Likewise.
4023         * tree-sra.c (sra_walk_expr): Likewise.
4024         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4025         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
4026         * tree-ssa-operands.c (get_expr_operands): Likewise.
4027         * tree-tailcall.c (find_tail_calls): Likewise.
4028
4029         * calls.c (expand_call): Reset old_stack_allocated after
4030         calling emit_stack_restore.
4031
4032 2004-07-16  Richard Henderson  <rth@redhat.com>
4033
4034         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
4035         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4036         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4037         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4038         copy_res_decl_for_inlining.
4039
4040         * tree-inline.c (declare_return_variable): New modify_dest argument.
4041         Use it as the return value, when possible or manditory.  Handle
4042         TREE_ADDRESSABLE types.
4043         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
4044         replacement of CALL_EXPR.
4045
4046 2004-07-16  Richard Henderson  <rth@redhat.com>
4047
4048         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
4049         * gimple-low.c (expand_var_p): Don't check it.
4050         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
4051         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
4052         * tree-ssa-operands.c (add_stmt_operand): Likewise.
4053         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
4054         (find_referenced_vars): Don't call them.
4055         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
4056
4057 2004-07-16  Richard Henderson  <rth@redhat.com>
4058
4059         * function.c (pass_by_reference): True for all variable sized types.
4060
4061 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
4062
4063         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
4064         * tree-pretty-print.c: Include tree-chrec.h.
4065         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
4066         and POLYNOMIAL_CHREC nodes.
4067
4068 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
4069
4070         * builtins.c (expand_builtin_stpcpy): Do not create temporary
4071         reg with VOIDmode.
4072
4073 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4074
4075         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
4076
4077 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
4078
4079         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
4080         to BASE_REGNUM.
4081         * config/s390/s390.c: Likewise.
4082         * config/s390/s390.h: Likewise.
4083
4084 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4085
4086         * config/mips/mips.md (addsi3, adddi3): Remove special handling
4087         of $sp adds.  Remove REGNO checks from mips16 patterns.
4088
4089 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4090
4091         * config/mips/mips.md: Delete outdated comment.
4092
4093 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4094
4095         * config/mips/mips.c (get_float_compare_codes): Delete.
4096         (mips_emit_compare): New function, mostly extracted from
4097         get_float_compare_codes and gen_conditional_branch.
4098         (gen_conditional_branch, gen_conditional_move): Use it.
4099
4100 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4101
4102         * genautomata.c (add_vect): Speedup by using integers as
4103         bit-vectors for walking through the comb_vect and finding
4104         a match.
4105
4106 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4107
4108         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
4109         operand is an uns_arith_operand; use subtraction otherwise.
4110         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
4111         not just arith_operands.
4112
4113 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4114
4115         * config/mips/mips-protos.h (gen_int_relational): Delete.
4116         (mips_emit_scc): Declare.
4117         * config/mips/mips.c (internal_test): Delete.
4118         (sle_operand, sleu_operand): New functions.
4119         (map_test_to_internal_test, gen_int_relational): Delete.
4120         (mips_emit_binary, mips_relational_operand_ok_p)
4121         (mips_emit_int_relational, mips_zero_if_equal)
4122         (mips_emit_scc): New functions.
4123         (gen_conditional_branch): Rework to use mips_emit_int_relational.
4124         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
4125         sleu_operand.
4126         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
4127         (sltu, sleu): Use mips_emit_scc.
4128         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
4129         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
4130         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
4131
4132 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4133
4134         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
4135
4136 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4137
4138         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
4139         (*sne_[sd]i): Likewise sne_[sd]i_zero.
4140         (*sgt_[sd]i): ...and sgt_[sd]i.
4141         (*slt_[sd]i): ...and slt_[sd]i.
4142         (*sgtu_[sd]i): ...and sgtu_[sd]i.
4143         (*sltu_[sd]i): ...and sltu_[sd]i.
4144         (*sleu_[sd]i): ...and sleu_[sd]i_const.
4145         Name previously unnamed mips16 patterns.  Formatting fixes.
4146
4147 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4148
4149         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
4150         (branch_type): Delete.
4151         (gen_conditional_branch, gen_conditional_move)
4152         (mips_gen_conditional_trap): Update after name change.  Get the
4153         comparison mode from cmp_operands[0].
4154         * config/mips/mips.h (cmp_type, branch_type): Delete.
4155         (cmp_operands): Renamed from branch_cmp.
4156         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
4157         name change.  Don't set branch_type.
4158         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
4159         mode class of cmp_operands[0] rather than branch_type.  Update after
4160         name change.
4161
4162 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4163
4164         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
4165         of 0...255 to 0 when inside a SET.
4166
4167 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4168
4169         * config/mips/mips.md: Remove mips16 define_peepholes.
4170
4171 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4172
4173         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
4174         (fini_pre): Remove fake edges.
4175
4176 2004-07-15  Richard Henderson  <rth@redhat.com>
4177
4178         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
4179         (get_indirect_ref_operands, get_call_expr_operands): ... these.
4180
4181 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
4182
4183         * vec.h (VEC_address): New function.
4184
4185 2004-07-14  Jason Merrill  <jason@redhat.com>
4186
4187         PR middle-end/15885
4188         * gimplify.c (gimplify_arg): New fn, split out from...
4189         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
4190
4191 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
4192
4193         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
4194         generate code which is generated by pushqi1 now
4195         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
4196
4197 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
4198
4199         * combine.c (simplify_set): match the mode of the constant 0 with
4200         the tested operand to match the compare behaviour and the
4201         simplify_relational_operation() expectation.
4202
4203 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
4204
4205         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
4206         ("bordered"): Same.
4207
4208 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
4209
4210         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
4211         unconditionally.
4212         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
4213
4214 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
4215
4216         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
4217         calls in mips16 code.
4218
4219 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
4220
4221         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
4222         the destination of the li as well as for the neg.
4223
4224 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
4225
4226         g++/15861
4227         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
4228         * cgraph.h: Update declaration.
4229         * c-decl.c (build_cdtor): Update call with default priority.
4230         * coverage.c (create_coverage): Ditto.
4231         * tree-mudflap.c (mf_init_fndecl): New tree.
4232         (mudflap_init): Set it.
4233         (mudflap_register_call): Arrange to call __mf_init before the first
4234         __mf_register call.
4235         (mudflap_finish_file): Mark the mudflap static initializer as extra
4236         high priority, to beat all C++ static constructors.
4237
4238 2004-07-15  Jeff Law  <law@redhat.com>
4239
4240         * loop.c (check_insn_for_givs): Restore check for code labels that was
4241         accidentally deleted by a recent checkin.
4242
4243 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
4244
4245         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
4246         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
4247
4248 2004-07-14  Richard Henderson  <rth@redhat.com>
4249
4250         * print-tree.c (print_node): Fix casts last change.
4251
4252 2004-07-15  Paul Brook  <paul@codesourcery.com>
4253
4254         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
4255         to TARGET_UNWIND_INFO.
4256         * except.c (output_function_exception_table): Ditto.
4257         * except.h: Ditto.
4258         * opts.c (decode_options): Ditto.
4259         * passes.c (rest_of_handle_final): Ditto.
4260         * final.c (final_start_function): Ditto.
4261         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
4262         target hook.
4263         * targhooks.h (default_unwind_emit): Declare.
4264         * targhooks.c (default_unwind_emit): New function.
4265         * target-def.h: Define and use TARGET_UNWIND_EMIT.
4266         * target.h (struct gcc_target): Add unwind_emit.
4267         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
4268         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
4269         Remove IA64_UNWIND_EMIT.
4270         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
4271
4272 2004-07-14  Richard Henderson  <rth@redhat.com>
4273
4274         * print-tree.c (print_node): Handle SSA_NAME.
4275
4276 2004-07-14  James E Wilson  <wilson@specifixinc.com>
4277
4278         PR target/16325
4279         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
4280         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
4281
4282 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
4283
4284         * expr.c (expand_assignment): Reenable bitfield += optimizations.
4285         Use alias set 0 for memory, do proper mode calculations and adjust
4286         address for memories.
4287
4288 2004-07-14  Per Bothner  <per@bothner.com>
4289
4290         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
4291         structure with extra column field.
4292         * tree.c (expand_location):  Also fill in column field.
4293         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
4294         gets confused by the two conditionally-compiled definitions.
4295
4296 2004-07-14  Eric Christopher  <echristo@redhat.com>
4297
4298         * calls.c (expand_call): Fix typo in comment.
4299
4300 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
4301
4302         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
4303         comparision of TFmode.
4304
4305 2004-07-14  Richard Henderson  <rth@redhat.com>
4306
4307         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
4308         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
4309         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
4310         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4311         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4312         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4313         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4314         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4315         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4316
4317 2004-07-14  Mike Stump  <mrs@apple.com>
4318
4319         * config/darwin.h (WINT_TYPE): Define to be int to match
4320         system header files.
4321
4322 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
4323
4324         * config/xtensa/xtensa.c (function_arg_advance): Check for args
4325         that must be passed in the stack.
4326         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
4327         arguments if the size is not a constant.
4328
4329 2004-07-14  Per Bothner  <per@bothner.com>
4330
4331         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
4332         instead of EXPR_LOCUS in a boolean context, which is always true
4333         if --enable-mapped-location.
4334         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
4335
4336 2004-07-14  Richard Henderson  <rth@redhat.com>
4337
4338         * dominance.c (struct dom_info): Add fake_exit_edge.
4339         (init_dom_info): Allocate it.
4340         (free_dom_info): Free it.
4341         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
4342         in two passes.
4343         (calc_idoms): Honor fake_exit_edge.
4344
4345 2004-07-13  Jason Merrill  <jason@redhat.com>
4346
4347         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
4348         (rhs_test_for): New fn.
4349         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
4350         * tree-gimple.h: Declare them.
4351         * gimplify.c (gimplify_modify_expr): Use the new fns.
4352
4353 2004-07-14  Richard Henderson  <rth@redhat.com>
4354
4355         * config/arm/arm-protos.h (arm_va_arg): Remove.
4356         * config/arm/arm.c (arm_va_arg): Remove.
4357         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
4358         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
4359
4360 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4361
4362         * pa.c (fix_range): New function to mark a range(s) of registers as
4363         fixed registers.
4364         (override_options): Call fix_range if the -mfixed-range option string
4365         is not empty.
4366         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
4367         * doc/invoke.texi (-mfixed-range): Document new option.
4368
4369 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
4370
4371         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
4372         for TARGET_64BIT.
4373         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
4374
4375 2004-07-14  Roger Sayle  <roger@eyesopen.com>
4376
4377         * expmed.c (expand_sdiv_pow2): New function to expand signed division
4378         by a positive power of two, split out from expand_divmod.  Provide
4379         an alternate implementation when shifts are expensive.  Lower the
4380         threshold for using a branchless implementation to BRANCH_COST >= 2.
4381         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
4382
4383 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
4384
4385         * tree-dfa.c (make_rename_temp): *Really* work just
4386         like create_tmp_var if called while outside SSA form.
4387
4388 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4389
4390         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
4391         for division by zero.
4392         ("umodsi3"): Likewise.
4393
4394 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
4395
4396         * config/mips/mips.c (mips_output_move): When generating mips16 code,
4397         force loads of negative constants to be split.
4398         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
4399         Generalize SImode li/neg splitter to cope with other modes.
4400
4401 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
4402
4403         * expmed.c: Remove more references to QUEUED in the comments.
4404         * expr.c: Likewise.
4405
4406 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
4407
4408         Revert:
4409         2004-07-13  Richard Henderson  <rth@redhat.com>
4410         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
4411         correctly.
4412
4413 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
4414
4415         * tree-dfa.c (make_rename_temp): Work just like
4416         create_tmp_var if called while outside SSA form.
4417
4418 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
4419
4420         * expr.c (enqueue_insn, finish_expr_for_function,
4421         protect_from_queue, queued_subexp_p, mark_queue,
4422         emit_insns_enqueued_after_mark, emit_queue,
4423         expand_increment): Remove.
4424         (store_constructor): Expand increment as an assignment.
4425         (expand_expr_real_1 <case PREINCREMENT_EXPR,
4426         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
4427         case POSTDECREMENT_EXPR>): Abort.
4428         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
4429         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
4430         protect_from_queue, emit_queue, queued_subexp_p): Remove.
4431         * function.h (pending_chain, x_pending_chain): Remove.
4432         * rtl.def (QUEUED): Remove.
4433
4434         * emit-rtl.c (copy_insn_1, copy_most_rtx,
4435         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
4436         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
4437         encode_units_mask): Likewise.
4438         * local-alloc.c (equiv_init_varies_p): Likewise.
4439         * rtl.c (copy_rtx): Likewise.
4440         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
4441         * simplify-rtx.c (simplify_gen_subreg): Likewise.
4442         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
4443
4444         * builtins.c (expand_builtin, expand_builtin_apply,
4445         expand_builtin_mathfn, expand_builtin_mathfn_2,
4446         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
4447         Remove calls to emit_queue and protect_from_queue.
4448         * calls.c (expand_call, precompute_arguments,
4449         precompute_register_parameters, rtx_for_function_call,
4450         store_one_arg): Likewise.
4451         * dojump.c (do_compare_and_jump, do_jump): Likewise.
4452         * explow.c (memory_address): Likewise.
4453         * expmed.c (clear_by_pieces_1, clear_storage,
4454         clear_storage_via_libcall, emit_group_load,
4455         emit_group_store, emit_store_flag,
4456         expand_expr_real_1, store_by_pieces,
4457         store_constructor, store_expr, try_casesi,
4458         try_tablejump): Likewise.
4459         * function.c (expand_pending_sizes): Likewise.
4460         * optabs.c (emit_cmp_and_jump_insns,
4461         emit_conditional_add, emit_conditional_move,
4462         expand_fix, expand_float, prepare_cmp_insn): Likewise.
4463         * stmt.c (emit_case_bit_tests,
4464         expand_asm_expr, expand_computed_goto,
4465         expand_decl_init, expand_end_case_type,
4466         expand_end_stmt_expr, expand_expr_stmt_value,
4467         expand_return, expand_start_case,
4468         optimize_tail_recursion): Likewise.
4469         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4470         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
4471
4472 2004-07-14  Ben Elliston  <bje@au.ibm.com>
4473
4474         * vec.h: Comment fix.
4475
4476 2004-07-13  Richard Henderson  <rth@redhat.com>
4477
4478         * target.h (struct gcc_target): Add calls.pass_by_reference.
4479         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
4480         * function.c (pass_by_reference): Use the hook.
4481         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
4482         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
4483         (hook_pass_by_reference_must_pass_in_stack): New.
4484         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
4485         (alpha_pass_by_reference): New.
4486         (TARGET_PASS_BY_REFERENCE): New.
4487         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4488         * config/arc/arc.c (arc_pass_by_reference): New.
4489         (TARGET_PASS_BY_REFERENCE): New.
4490         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4491         (FUNCTION_ARG_CALLEE_COPIES): True.
4492         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
4493         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
4494         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
4495         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4496         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4497         * config/cris/cris.c (cris_pass_by_reference): New.
4498         (TARGET_PASS_BY_REFERENCE): New.
4499         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
4500         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
4501         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4502         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
4503         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4504         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
4505         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
4506         (frv_function_arg_pass_by_reference): Remove.
4507         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4508         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
4509         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
4510         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
4511         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4512         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
4513         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
4514         (ia64_pass_by_reference): Rename from
4515         ia64_function_arg_pass_by_reference.
4516         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4517         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4518         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
4519         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
4520         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
4521         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4522         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
4523         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
4524         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
4525         (m32r_pass_by_reference): Adjust prototype.  Make static.
4526         Handle mode sizes correctly.
4527         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4528         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
4529         (m68hc11_function_arg_pass_by_reference): Remove.
4530         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4531         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
4532         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
4533         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4534         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
4535         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
4536         (mips_va_arg): Use pass_by_reference.
4537         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
4538         Handle mode sizes correctly.
4539         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4540         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
4541         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
4542         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
4543         (mmix_pass_by_reference): Rename from
4544         mmix_function_arg_pass_by_reference.
4545         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4546         (FUNCTION_ARG_CALLEE_COPIES): True.
4547         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
4548         (mn10300_pass_by_reference): New.
4549         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4550         (FUNCTION_ARG_CALLEE_COPIES): True.
4551         * config/pa/pa.c (pa_pass_by_reference): New.
4552         (TARGET_PASS_BY_REFERENCE): New.
4553         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4554         (FUNCTION_ARG_CALLEE_COPIES): True.
4555         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
4556         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
4557         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
4558         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4559         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
4560         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
4561         (s390_pass_by_reference): Rename from
4562         s390_function_arg_pass_by_reference.
4563         (s390_function_arg_advance): Don't query pass-by-ref.
4564         (s390_function_arg): Likewise.
4565         (s390_gimplify_va_arg): Use pass_by_reference.
4566         (s390_call_saved_register_used): Likewise.
4567         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4568         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
4569         (shcompact_byref, sh_pass_by_reference): New.
4570         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4571         (SHCOMPACT_BYREF): Remove.
4572         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
4573         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
4574         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
4575         (sparc_gimplify_va_arg): Use pass_by_reference.
4576         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4577         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4578         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
4579         (v850_pass_by_reference): New.
4580         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4581         (FUNCTION_ARG_CALLEE_COPIES): True.
4582         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
4583         FUNCTION_ARG_PASS_BY_REFERENCE docs.
4584
4585 2004-07-14  Richard Henderson  <rth@redhat.com>
4586             Richard Sandiford  <rsandifo@redhat.com>
4587
4588         * config/mips/mips-protos.h (mips_va_arg): Delete.
4589         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
4590         * config/mips/mips.c: Include tree-gimple.h.
4591         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
4592         (mips_arg_info): Remove special handling of must_pass_in_stck args.
4593         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
4594         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
4595
4596 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
4597
4598         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
4599         arguments for COND_EXPR in big-endian adjustment code.
4600
4601 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4602
4603         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
4604         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
4605         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
4606         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
4607
4608 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
4609
4610         PR tree-optimization/16443
4611         * tree-ssa-alias.c: Add more description for
4612         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
4613         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
4614         clobbering of call-clobbered and addressable variables.  If
4615         there are any before aliases have been computed, add them.
4616
4617 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
4618
4619         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
4620         verification.
4621
4622 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
4623
4624         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
4625         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
4626         to the same type.
4627
4628 2004-07-13  Per Bothner  <per@bothner.com>
4629
4630         * collect2.c (main):  Handle --no-demangle and --demangle flags.
4631
4632 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
4633
4634         * Makefile.in (OBJS-common): Add tree-data-ref.o.
4635         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
4636         (tree-data-ref.o): New rule.
4637         * lambda.h: New file.
4638         * tree-data-ref.c: New file.
4639         * tree-data-ref.h: New file.
4640         * tree.c (int_cst_value, tree_fold_gcd): New functions.
4641         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
4642
4643 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4644
4645         PR target/13926
4646         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
4647         * config/sparc/sparc.c (output_ubranch): New function.
4648         * config/sparc/sparc.md (jump pattern): Use it.
4649
4650 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4651
4652         PR target/16494
4653         * config/sparc/sparc.c (output_cbranch): Properly guard
4654         the code handling far branches with TARGET_V9.
4655         * config/sparc/sparc.md (length attribute): Document the
4656         side-effect of having a length greater or equal to 3.
4657
4658 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4659             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
4660
4661         PR target/15186
4662         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
4663         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
4664
4665 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4666             Martin Sebor  <sebor@roguewave.com>
4667
4668         PR target/12602
4669         * doc/invoke.texi (SPARC options): Document -threads
4670         and -pthreads on Solaris.
4671
4672 2004-07-13  Richard Henderson  <rth@redhat.com>
4673
4674         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
4675         by reference.
4676         (ind_gimplify_va_arg_expr): Remove.
4677         * tree.h (ind_gimplify_va_arg_expr): Remove.
4678         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
4679         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
4680         argsp to be null.
4681
4682         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
4683         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
4684         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
4685         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
4686         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
4687
4688 2004-07-13  Richard Henderson  <rth@redhat.com>
4689
4690         * function.c (pass_by_reference): New.
4691         (assign_parm_find_data_types): Use it.
4692         * calls.c (initialize_argument_information): Likewise.
4693         (emit_library_call_value_1): Likewise.
4694         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4695         * function.h (pass_by_reference): Declare.
4696
4697 2004-07-13  Richard Henderson  <rth@redhat.com>
4698
4699         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
4700         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
4701         * expr.h (MUST_PASS_IN_STACK): Remove.
4702         * system.h (MUST_PASS_IN_STACK): Poison.
4703         * tree.h (must_pass_in_stack_var_size): Declare.
4704         (must_pass_in_stack_var_size_or_pad): Declare.
4705         * calls.c (must_pass_in_stack_var_size): New.
4706         (must_pass_in_stack_var_size_or_pad): Rename from
4707         default_must_pass_in_stack.
4708         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
4709         (TARGET_MUST_PASS_IN_STACK): New.
4710         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
4711         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
4712         (TARGET_MUST_PASS_IN_STACK): New.
4713         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
4714         * config/frv/frv.c (frv_must_pass_in_stack): New.
4715         (TARGET_MUST_PASS_IN_STACK): New.
4716         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
4717         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
4718         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
4719         (ix86_must_pass_in_stack): Make static.
4720         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
4721         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
4722         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
4723         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
4724         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
4725         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
4726         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
4727         (mcore_must_pass_on_stack): Remove.
4728         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
4729         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
4730         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
4731         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
4732         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
4733         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
4734         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
4735         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
4736         (TARGET_MUST_PASS_IN_STACK): New.
4737         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
4738         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
4739         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
4740         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
4741         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
4742         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
4743         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
4744         MUST_PASS_IN_STACK.
4745
4746         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
4747         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
4748         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
4749         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
4750         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
4751         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
4752         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
4753         config/xtensa/xtensa.c: Use target hook.
4754
4755 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
4756
4757         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
4758         * configure: Rebuilt.
4759
4760 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
4761
4762         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
4763         * config/mips/mips.h (mips_reg_names): Don't declare.
4764         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
4765         (TARGET_NAME_REGS): Delete.
4766         (TARGET_SWITCHES): Remove -mrnames.
4767         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
4768         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
4769         in REGISTER_NAMES.
4770         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
4771         (override_options): Remove handling of TARGET_NAME_REGS.
4772
4773 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
4774
4775         * config/mips/mips.h (TARGET_*): Boolify.
4776
4777 2004-07-12  Nick Clifton  <nickc@redhat.com>
4778
4779         * config.gcc: Add sh-*-symbianelf target.
4780         * config/sh/sh.c: Add new target macros:
4781         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
4782         TARGET_CXX_IMPORT_EXPORT_CLASS.
4783         (sh_file_start): Create a definition of the .directive section.
4784         (sh_attribute): Add dllimport and dllexport attributes.
4785         * config/sh/symbian-pre.h: New file.
4786         * config/sh/symbian-post.h: New file.
4787         * config/sh/symbian.c: New file. Contains Symbian specific
4788         functions.
4789         * config/sh/sh-protos.h: Add prototypes for new functions
4790         provided by symbian.c.
4791         * config/sh/t-symbian: New file.
4792         * doc/extend.texi: Document support for dllimport and dllexport
4793         attributes by the sh-symbianelf target.
4794
4795 2004-07-12  James E Wilson  <wilson@specifixinc.com>
4796
4797         * Makefile.in (AR): Use @AR@ not ar.
4798         (NM): New.
4799         (AR_FOR_TARGET): Use $(AR) not ar for native.
4800         (NM_FOR_TARGET): Use $(NM) not nm for native.
4801         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
4802         * configure: Regenerate.
4803
4804 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
4805
4806         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
4807         special case.
4808         (ashldi3_sp64): Likewise.
4809
4810 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4811
4812         PR target/16477
4813         * pa.c (function_arg): Update comment.
4814         * pa.h (BLOCK_REG_PADDING): Define.
4815
4816 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4817
4818         PR tree-optimization/16461
4819         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
4820         arguments of phi nodes.
4821
4822 2004-07-12  Devang Patel  <dpatel@apple.com>
4823
4824         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
4825
4826 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
4827
4828         * function.c (expand_function_start): Ensure r_save is in Pmode.
4829         * calls.c (prepare_call_address): Ensure static_chain_value is
4830         in Pmode.
4831         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
4832         r_save_area are in Pmode.
4833         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
4834         fnaddr, and static_chain are in Pmode.
4835
4836 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
4837
4838         PR target/16445
4839         * config/ia64/ia64.c (bundling): Don't count ignored insns.
4840
4841 2004-07-12  Richard Henderson  <rth@redhat.com>
4842
4843         * target.h (struct gcc_target): Move gimplify_va_arg_expr
4844         next to build_builtin_va_list.
4845         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
4846         * builtins.c (gimplify_va_arg_expr): Likewise.
4847         * gimplify.c (copy_if_shared_r): Likewise.
4848
4849 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
4850
4851         * passes.c (rest_of_decl_compilation): Don't defer call of
4852         assemble_variable if its DECL_RTL is already set.
4853
4854 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
4855
4856         * cfgloop.h (struct loop): Add nb_iterations field.
4857         (current_loops): Declare.
4858         * tree-chrec.c (chrec_not_analyzed_yet,
4859         chrec_dont_know, chrec_known, count_ev_in_wider_type,
4860         chrec_contains_symbols_defined_in_loop): Remove the temporary
4861         hooks.
4862         * tree-flow-inline.h (loop_containing_stmt): New function.
4863         * tree-scalar-evolution.c: Add implementation.
4864         * tree-scalar-evolution.h: Add declarations.
4865
4866 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
4867
4868         PR rtl-optimization/15921
4869         * Makefile.in (global.o): Add recog.h.
4870
4871         * global.c (recog.h): Add the include-clause.
4872         (bb_info): New member earlyclobber.
4873         (allocate_bb_info, free_bb_info): Initialize/finish the new
4874         member.
4875         (earlyclobber_regclass, earlyclobber_regclass_length): The new
4876         global variables.
4877         (check_earlyclobber, regclass_intersect,
4878         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
4879         New functions.
4880         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
4881         (make_accurate_live_analysis): Modify pavin.
4882
4883 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
4884
4885         * tree-cfg.c (find_taken_edge): Statically compute the truth
4886         value of a predicate comparing an SSA_NAME to itself.
4887
4888 2004-07-12  Roger Sayle  <roger@eyesopen.com>
4889
4890         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
4891         rs6000 doesn't have shift-and-add or shift-and-sub instructions
4892         by returning the cost of a multiplication plus an addition.
4893
4894 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
4895
4896         PR tree-optimization/14107
4897         * gimplify.c (gimplify_return_expr): Accept a
4898         RETURN_EXPR with an error argument.
4899         * tree-optimize.c (init_tree_optimization_passes):
4900         Run pass_warn_function_return at -O0.
4901
4902 2004-07-12  Roger Sayle  <roger@eyesopen.com>
4903
4904         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
4905         index entry.
4906
4907 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
4908
4909         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
4910         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4911         * config/mips/3000.md: Add copyright notice.  Remove automota and
4912         function units; use generic ones instead.  Only define reservations
4913         for things that are different from generic.md.  Extend each clause
4914         to include r3900.
4915         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
4916         * config/mips/mips.md: Include them. Remove define_function_units.
4917         (alu, imuldiv): New automata and units.
4918
4919 2004-07-12  Ben Elliston  <bje@au.ibm.com>
4920
4921         * doc/invoke.texi (Optimize Options): Document -frename-registers
4922         not being enabled by default at -O3.
4923
4924 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4925
4926         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
4927         floating point additions, to keep real immediate constant positive.
4928         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
4929         into X + C, and leave positive real constants as X - C.
4930
4931 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4932
4933         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
4934
4935 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4936
4937         PR tree-optimization/15654
4938         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
4939
4940 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4941
4942         * builtins.c (fold_builtin_fputs): Don't bother converting the
4943         return type to integer_type_node, as we've already checked that
4944         the result will be ignored.
4945
4946         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
4947         that signed addition, subtraction, multiplication, division,
4948         remainder, negation and absolute value may potentially trap.
4949
4950         * fold-const.c (fold_ignored_result): New function to strip
4951         non-side-effecting tree nodes from an expression whose result
4952         is ignored.
4953         (fold_convert): Call fold_ignored_result when casting a value
4954         to VOID_TYPE.
4955         (omit_one_operand):  Call fold_ignored_result on the "omitted"
4956         operand when building a COMPOUND_EXPR.
4957         (pedantic_omit_one_operand): Likewise.
4958         * tree.h (fold_ignored_result): Prototype here.
4959         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
4960         when we're going to ignore the result.
4961
4962 2004-07-11  Richard Henderson  <rth@redhat.com>
4963
4964         PR tree-opt/16383
4965         * tree-ssa-ccp.c (fold_stmt_r): Split out...
4966         * tree.c (fields_compatible_p, find_compatible_field): ... new.
4967         * tree.h (fields_compatible_p, find_compatible_field): Declare.
4968         * tree-sra.c (sra_hash_tree): Hash fields by offset.
4969         (sra_elt_eq): Use fields_compatible_p.
4970         (generate_one_element_ref): Use find_compatible_field.
4971
4972 2004-07-11  Richard Henderson  <rth@redhat.com>
4973
4974         PR tree-opt/16422
4975         * tree-sra.c (generate_one_element_init): New.
4976         (generate_element_init): Use it.
4977         (scalarize_init): Push/pop gimplify context around it.
4978         (find_new_referenced_vars_1, find_new_referenced_vars): New.
4979         * gimplify.c (gimplify_expr): Allow SSA_NAME.
4980
4981 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4982
4983         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
4984         combine.c's combine_insn_cost.
4985         * rtl.h (insn_rtx_cost): Prototype here.
4986         * combine.c (combine_insn_cost): Delete function.
4987         (combine_validate_cost): Update callers of combine_insn_cost to
4988         call insn_rtx_cost instead.
4989         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
4990         requesting the rtx_cost of call and/or jump instructions.
4991
4992         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
4993         rtx_cost directly.  Don't request/use the cost of call or jump
4994         instructions.  Return -1 if the cost of any instruction can't be
4995         determined (or the BB contains a function call).
4996         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
4997         -1 (i.e. can't determine the cost of any instruction or the basic
4998         block contains a subroutine call).
4999         (find_if_case_2): Likewise.
5000
5001 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5002
5003         * rs6000.c (struct processor_costs): Change semantics of fields to
5004         include the COST_N_INSNS scaling, and update all initializers.
5005         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
5006         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
5007         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
5008         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
5009
5010 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5011
5012         * LANGUAGES: Remove obsolete information.
5013
5014 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5015
5016         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
5017         SIGBUS signal frames, the PSW address points *to* the faulting
5018         instruction, not after it.
5019
5020 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5021
5022         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
5023         added to TLS symbol addresses.
5024
5025 2004-07-11  Richard Henderson  <rth@redhat.com>
5026
5027         * expmed.c (init_expmed): Use stack-local structures for
5028         temporary rtl.  Don't recognize shifts.
5029
5030 2004-07-11  Richard Henderson  <rth@redhat.com>
5031
5032         * expr.c (store_expr): Don't fiddle subreg promotion for types
5033         with precision smaller than the mode.
5034
5035 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5036
5037         * tree.h (all_types_permanent): Remove.
5038
5039 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5040
5041         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
5042         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
5043         * langhooks.c (lhd_clear_binding_stack): Remove.
5044         * langhooks-def.h (lhd_clear_binding_stack,
5045         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5046         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
5047         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
5048         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5049         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
5050         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
5051         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
5052         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5053         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
5054         * tree.h (poplevel): Don't declare.
5055         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
5056         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5057         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
5058         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
5059         Remove.
5060
5061 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5062
5063         PR tree-optimization/16437
5064         * c-common.c (shorten_compare): Don't mark result of conversion to
5065         narrower signed type as overflowing.
5066         * fold-const.c (decode_field_reference): Determine whether
5067         signedness comes from outer type using precision rather than size.
5068
5069 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5070
5071         * configure.ac:  Alphabetize --enable-checking list, add
5072         missing valgrind entry.
5073         * configure:  Regenerate.
5074
5075 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5076
5077         * doc/install.texi (Testing):  Fix syntax in "make check" example.
5078
5079 2004-07-10  James E Wilson  <wilson@specifixinc.com>
5080
5081         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
5082
5083 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5084
5085         PR rtl-optimization/16001
5086         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
5087         niter_expr.
5088
5089 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
5090
5091         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
5092
5093 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
5094             James Morrison  <phython@gcc.gnu.org>
5095
5096         * doc/contrib.texi (Contributors): Add gfortran contributors and
5097         fix a couple of typos.
5098
5099 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5100
5101         PR rtl-optimization/15387
5102         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
5103         to incoming args space correctly.
5104
5105 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5106
5107         * pa.c (output_indirect_call): Only use %r2 as the link register in
5108         indirect calls with the long PA 2.0 pc-relative branch.
5109
5110 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
5111
5112         * config/i386/i386.c (override_options): Pick a 64-bit CPU
5113         for the default tuning if TARGET_64BIT.
5114
5115 2004-07-10  Richard Henderson  <rth@redhat.com>
5116
5117         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
5118         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
5119
5120 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
5121
5122         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
5123         * expmed.c (store_bit_field, extract_bit_field): Remove last
5124         argument.
5125         * builtins.c (expand_builtin_signbit): Adjust callers.
5126         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
5127         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
5128         * ifcvt.c (noce_emit_move_insn): Likewise.
5129         * stmt.c (expand_return): Likewise.
5130         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
5131         store_field, expand_expr_real_1): Likewise.
5132
5133 2004-07-10  Richard Henderson  <rth@redhat.com>
5134
5135         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
5136
5137 2004-07-09  Mike Stump  <mrs@apple.com>
5138
5139         * config/darwin.c (no_dead_strip): Add.
5140         (HAVE_DEAD_STRIP): Add.
5141         (darwin_emit_unwind_label): Ensure that we don't dead code strip
5142         the .eh label.
5143
5144 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5145
5146         * tree-ssa-loop-im.c: New file.
5147         * Makefile.in (tree-ssa-loop-im.o): Add.
5148         * cfgloop.c (superloop_at_depth): New function.
5149         * cfgloop.h (superloop_at_depth): Declare.
5150         * common.opt (ftree-lim): New flag.
5151         * expr.c (array_ref_up_bound): New function.
5152         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
5153         * timevar.def (TV_LIM): New timevar.
5154         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
5155         computing immediate uses of a phi node.
5156         * tree-flow.h (struct tree_ann_common_d): Add aux field.
5157         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
5158         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
5159         * tree-pass.h (pass_lim): Declare.
5160         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
5161         functions.
5162         (pass_lim): New pass structure.
5163         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
5164         * tree.c (in_array_bounds_p): New function.
5165         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
5166         (in_array_bounds_p, array_ref_up_bound): Declare.
5167         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
5168         * doc/passes.texi (tree-ssa-loop-im.c): Document.
5169
5170 2004-07-09  Richard Henderson  <rth@redhat.com>
5171
5172         * builtins.c (expand_builtin_stpcpy): Don't modify len.
5173
5174         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
5175         with prejudice.
5176
5177 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
5178
5179         * flags.h: Delete redundant prototypes that are being generated
5180         in options.h from common.opt.
5181         * common.opt: Add in the expository comments formerly in flags.h.
5182
5183 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5184
5185         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
5186         available for use only when TARGET_MMX/_SSE is set, and check for
5187         variable argument function if any register count is non-zero.
5188         (function_arg): Correctly suppress repeated warnings for passing SSE
5189         vectors are arguments without SSE enabled.
5190         (ix86_function_arg_boundary): Without SSE enabled, the use of what
5191         would be SSE register modes does no longer influence the alignment.
5192
5193 2004-07-09  Richard Henderson  <rth@redhat.com>
5194
5195         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
5196         Always align upward to arg boundary.  Use size_in_bytes/round_up.
5197         Maintain type-correctness of constants.
5198         * stor-layout.c (round_up, round_down): Special-case powers of 2.
5199
5200 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
5201
5202         * config/sparc/sparc.c (*_costs): Scale instruction costs
5203         by COSTS_N_INSNS.
5204         (sparc_rtx_costs): Adjust as appropriate.
5205
5206 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5207
5208         * config/i386/mm3dnow.h: New.
5209         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
5210
5211 2004-07-09  Richard Henderson  <rth@redhat.com>
5212
5213         * simplify-rtx.c (simplify_const_relational_operation): Only
5214         look at bounds of scalar integers.
5215
5216 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5217
5218         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
5219
5220 2004-07-09  Andrew Pinski  <apinski@apple.com>
5221
5222         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
5223         always referenced.
5224         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
5225         UOBJC_METACLASS_decl.
5226
5227 2004-07-09  James E Wilson  <wilson@specifixinc.com>
5228
5229         PR target/16364
5230         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
5231         do return a parallel if hfa_mode == XFmode and mode == TImode.
5232
5233 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5234
5235         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
5236         permissible for unary plus.
5237
5238 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5239
5240         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
5241         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
5242         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
5243         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
5244         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
5245         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
5246         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
5247         (BUILTIN_xxxIMAX): New.
5248         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
5249         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
5250         BUILT_IN_PARITYIMAX.
5251
5252 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
5253
5254         * config/sparc/sparc.h (processor_costs): Define.
5255         (sparc_costs): Declare.
5256         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
5257         hypersparc_costs, sparclet_costs, ultrasparc_costs,
5258         ultrasparc3_costs): New.
5259         (sparc_override_options): Set sparc_costs as appropriate.
5260         (sparc_rtx_costs): Use sparc_costs instead of messy
5261         conditionals.
5262
5263 2004-07-09  Steven Bosscher  <stevenb@suse.de>
5264
5265         * doc/md.texi (Processor pipeline description): Mention that
5266         the old pipeline description is deprecated.
5267
5268         * config/rs6000/7450.md (automaton ppc7450): Split up, move
5269         mciu_7450 function unit to...
5270         (automaton ppc7450mciu): ...new automaton.
5271
5272         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
5273         (schedule_block): Don't consider inserting bubbles.
5274         (sched_init): Don't initialize DFA bubbles.
5275         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
5276         TARGET_SCHED_DFA_BUBBLE): Remove.
5277         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
5278         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
5279         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
5280
5281         * stmt.c (conditional_context): Remove prototype.
5282         * tree.h (conditional_context): Remove.
5283         * tree-cfg.c (pre_insert_on_edge): Remove.
5284
5285         * c-common.h (c_expand_asm_operands): Remove prototype.
5286         * c-typeck.c (c_expand_asm_operands): Remove.
5287
5288 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5289
5290         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
5291         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
5292         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
5293         and V8QI are class SSE. All sufficiently small remaining vector modes
5294         must be passed in one or two integer registers.
5295         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
5296         returned in memory.
5297         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
5298         __builtin_ia32_pmuludq128 have non-uniform argument and return types
5299         and must thus be handled explicitly.
5300         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
5301         MMX and XMM regs.
5302         (movv8qi_internal, movv4hi_internal, movv2si_internal,
5303         movv2sf_internal): Permit moving between MMX and XMM registers (since
5304         MMX areguments and return values are passed in XMM registers).
5305         (sse2_umulsidi3): Correct type and mode.
5306
5307 2004-07-09  Richard Henderson  <rth@redhat.com>
5308
5309         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
5310
5311 2004-07-09  Eric Christopher  <echristo@redhat.com>
5312
5313         * config/rs6000/40x.md: Split into two automatons.
5314
5315 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
5316             Andrew Pinski  <apinski@apple.com>
5317
5318         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
5319         on when we have more than one input file.
5320         (c_common_parse_file): Restore loop over all input files.
5321         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
5322
5323         * c-decl.c (set_type_context): New function.
5324         (pop_scope): Use it to set context of types.  When we
5325         encounter a TYPE_DECL, set the context of the attached type too.
5326         (pop_file_scope): Don't call cpp_undef_all here.
5327         (diagnose_mismatched_decls): Do not complain about a second
5328         definition of an 'extern inline' function if it's not in the
5329         same translation unit.  Do not complain about inline
5330         declaration after use if the use was in a different
5331         translation unit.
5332         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
5333         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
5334         the external scope.
5335         (pushdecl_top_level): Likewise.
5336         (grokdeclarator): Clarify what is going on with setting
5337         DECL_EXTERNAL on function types, a little.
5338         (c_write_global_declarations): Don't do anything if
5339         -fsyntax-only or errors have been encountered.
5340
5341 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
5342
5343         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
5344
5345 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5346
5347         PR target/16459
5348         * pa.c (output_indirect_call): Use %r2 as the link register when
5349         calling $$dyncall with a pc-relative branch.
5350
5351 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
5352
5353         * doc/install.texi (Binaries): Mention OpenPKG.
5354
5355 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
5356
5357         Fix PR tree-optimization/15555
5358         * tree-dfa.c (dump_variable): If the variable is a pointer
5359         SSA_NAME, also dump its points-to information.
5360         * tree-flow.h (struct ptr_info_def): Add field
5361         is_dereferenced.
5362         (dump_points_to_info_for): Declare.
5363         (debug_points_to_info_for): Declare.
5364         * tree-optimize.c (init_tree_optimization_passes): Add a
5365         second alias analysis pass after DOM2.
5366         Move pass_del_pta to a later spot.
5367         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
5368         create a name tags when we find a dereferenced pointer.  Just
5369         mark the pointer dereferenced.
5370         (collect_points_to_info_for): Move code to clear points-to
5371         information to create_name_tags.
5372         (create_name_tags): New function.
5373         (compute_flow_sensitive_aliasing): Call it.
5374         (setup_pointers_and_addressables): Mark type tags for renaming
5375         here instead of ...
5376         (create_memory_tag): ... here.
5377         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
5378         (dump_points_to_info_for): Declare extern.
5379         (debug_points_to_info_for): New function.
5380
5381 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
5382
5383         * config/arc/arc.md: Switch to DFA-based scheduler description.
5384         * config/arc/arc.c: Switch to DFA-based scheduler description.
5385
5386 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
5387
5388         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
5389         pointer.
5390
5391 2004-07-09  Richard Henderson  <rth@redhat.com>
5392
5393         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
5394         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5395         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
5396         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
5397
5398         * config/v850/v850-protos.h (v850_va_arg): Remove.
5399         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5400         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
5401         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
5402         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
5403         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
5404
5405 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
5406
5407         PR target/12133
5408         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
5409         and DImode to use +/-4k offset.
5410
5411 2004-07-09  Richard Henderson  <rth@redhat.com>
5412
5413         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
5414         Remove.
5415         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5416         (xstormy16_gimplify_va_arg_expr): Rewrite from
5417         xstormy16_expand_builtin_va_arg.
5418         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
5419
5420         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
5421         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
5422
5423         * config/sh/sh-protos.h (sh_va_arg): Remove.
5424         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5425         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
5426         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
5427
5428         * config/pa/pa-protos.h (hppa_va_arg): Remove.
5429         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5430         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
5431         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
5432
5433         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
5434         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5435         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
5436         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
5437
5438 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5439
5440         * config/sparc/sparc.md (return): Rewrite length formula.
5441         * config/sparc/sparc.c (output_return): Pass 1 as 5th
5442         argument to final_scan_insn when in a delay slot.
5443         (output_sibcall): Likewise.
5444
5445 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
5446
5447         * arm.c (arm_cpp_interwork): New variable.
5448         (arm_override_options): Set it if TARGET_INTERWORK was on the command
5449         line.
5450         * arm.h (arm_cpp_interwork): Declare it.
5451         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
5452         __THUMB_INTERWORK__ in the preprocessor.
5453
5454 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
5455
5456         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
5457
5458 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5459
5460         PR target/16416
5461         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
5462         Override default settings to account for -m32 and -m64.
5463
5464 2004-07-08  Randolph Chung  <tausq@debian.org>
5465
5466         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
5467
5468 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
5469
5470         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
5471         before comparing it as such.
5472
5473 2004-07-08  Richard Henderson  <rth@redhat.com>
5474
5475         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
5476         temporary.  Use bit arithmetic to align.
5477
5478 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
5479
5480         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
5481         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
5482         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
5483         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
5484         add_labels_and_missing_jumps, find_jump_block,
5485         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
5486         Likewise.
5487         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
5488         link_btr_uses, move_btr_def): Likewise.
5489         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
5490         expand_builtin_expect_jump): Likewise.
5491         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
5492         * calls.c (expand_call, emit_library_call_value_1): Likewise.
5493         * cfganal.c (forwarder_block_p): Likewise.
5494         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
5495         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
5496         find_bb_boundaries): Likewise.
5497         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5498         merge_blocks_move_predecessor_nojumps,
5499         merge_blocks_move_successor_nojumps, insns_match_p,
5500         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5501         try_optimize_cfg): Likewise.
5502         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
5503         * cfglayout.c (skip_insns_after_block, label_for_bb,
5504         record_effective_endpoints, insn_locators_initialize,
5505         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
5506         * cfgmainloop.c (create_loop_notes): Likewise.
5507         * cfgrtl.c (delete_insn, delete_insn_chain,
5508         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
5509         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
5510         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
5511         redirect_branch_edge, force_nonfallthru_and_redirect,
5512         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
5513         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
5514         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
5515         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
5516         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
5517         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
5518         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
5519         * combine.c (combine_instructions, can_combine_p, try_combine,
5520         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
5521         distribute_notes, distribute_links, insn_cuid): Likewise.
5522         * cse.c (fold_rtx, cse_insn, cse_around_loop,
5523         invalidate_skipped_block, cse_set_around_loop,
5524         cse_end_of_basic_block, cse_main, cse_basic_block,
5525         cse_condition_code_reg): Likewise.
5526         * cselib.c (cselib_process_insn): Likewise.
5527         * ddg.c (create_ddg): Likewise.
5528         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
5529         Likewise.
5530         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
5531         gen_label_die, dwarf2out_var_location): Likewise.
5532         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
5533         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
5534         last_call_insn, active_insn_p, next_label, prev_label,
5535         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
5536         add_insn_before, remove_insn, add_function_usage_to,
5537         reorder_insns, find_line_note, remove_unnecessary_notes,
5538         emit_insn_after_1, classify_insn): Likewise.
5539         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
5540         connect_post_landing_pads, sjlj_mark_call_sites,
5541         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
5542         can_throw_internal, can_throw_external, set_nothrow_function_flags,
5543         convert_to_eh_region_ranges): Likewise.
5544         * explow.c (optimize_save_area_alloca): Likewise.
5545         * expr.c (expand_expr_real): Likewise.
5546         * final.c (insn_current_reference_address, compute_alignments,
5547         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
5548         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
5549         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
5550         propagate_block_delete_insn, propagate_one_insn,
5551         init_propagate_block_info, propagate_block, libcall_dead_p,
5552         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
5553         Likewise.
5554         * function.c (instantiate_virtual_regs, reorder_blocks_1,
5555         expand_function_start, expand_function_end, contains,
5556         thread_prologue_and_epilogue_insns,
5557         reposition_prologue_and_epilogue_notes): Likewise.
5558         * gcse.c (constprop_register, bypass_conditional_jumps,
5559         insert_insn_end_bb, gcse_after_reload): Likewise.
5560         * genemit.c (gen_expand, gen_split): Likewise.
5561         * genpeep.c (gen_peephole, main): Likewise.
5562         * global.c (build_insn_chain): Likewise.
5563         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
5564         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
5565         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
5566         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
5567         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
5568         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
5569         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
5570         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
5571         dead_or_predicable): Likewise.
5572         * integrate.c (try_constants): Likewise.
5573         * jump.c (rebuild_jump_labels, cleanup_barriers,
5574         purge_line_number_notes, init_label_info, mark_all_labels,
5575         squeeze_notes, get_label_before, get_label_after,
5576         reversed_comparison_code_parts, simplejump_p, pc_set,
5577         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
5578         delete_barrier, delete_prior_computation, delete_computation,
5579         delete_related_insns, delete_for_peephole, redirect_jump):
5580         Likewise.
5581         * lcm.c (optimize_mode_switching): Likewise.
5582         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
5583         Likewise.
5584         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
5585         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
5586         * loop-iv.c (simplify_using_assignment): Likewise.
5587         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
5588         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
5589         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
5590         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
5591         check_insn_for_givs, check_final_value, update_giv_derive,
5592         basic_induction_var, product_cheap_p, check_dbra_loop,
5593         loop_insn_first_p, last_use_this_basic_block,
5594         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
5595         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
5596         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
5597         sms_schedule_by_order): Likewise.
5598         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
5599         * postreload.c (reload_cse_simplify_operands, reload_combine,
5600         reload_cse_move2add): Likewise.
5601         * predict.c (can_predict_insn_p, estimate_probability,
5602         expected_value_to_br_prob, process_note_predictions): Likewise.
5603         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
5604         * profile.c (branch_prob): Likewise.
5605         * ra-build.c (live_out_1, livethrough_conflicts_bb,
5606         detect_webs_set_in_cond_jump): Likewise.
5607         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
5608         ra_print_rtl_with_bb): Likewise.
5609         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
5610         * recog.c (next_insn_tests_no_inequality, find_single_use,
5611         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
5612         * reg-stack.c (next_flags_user, record_label_references,
5613         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
5614         compensate_edge, convert_regs_1): Likewise.
5615         * regclass.c (scan_one_insn): Likewise.
5616         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5617         regmove_optimize, fixup_match_1, single_set_for_csa,
5618         combine_stack_adjustments_for_block): Likewise.
5619         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
5620         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
5621         find_equiv_reg): Likewise.
5622         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
5623         reload_as_needed, emit_input_reload_insns, do_output_reload,
5624         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
5625         Likewise.
5626         * reorg.c (find_end_label, emit_delay_sequence,
5627         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
5628         get_jump_flags, rare_destination, mostly_true_jump,
5629         try_merge_delay_insns, redundant_insn, own_thread_p,
5630         fill_simple_delay_slots, fill_slots_from_thread,
5631         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
5632         dbr_schedule): Likewise.
5633         * resource.c (find_basic_block, next_insn_no_annul,
5634         find_dead_or_set_registers, mark_target_live_regs): Likewise.
5635         * rtl.h (RTX_PREV): Likewise.
5636         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
5637         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
5638         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
5639         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
5640         tablejump_p, computed_jump_p, insns_safe_to_move_p,
5641         find_first_parameter_load, can_hoist_insn_p): Likewise.
5642         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
5643         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
5644         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
5645         schedule_ebbs): Likewise.
5646         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
5647         is_conditionally_protected, can_schedule_ready_p,
5648         add_branch_dependences, debug_dependencies): Likewise.
5649         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
5650         Likewise.
5651         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
5652         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
5653         set_dominates_use, ujump_to_loop_cont): Likewise.
5654         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
5655         * varasm.c (output_constant_pool_1): Likewise.
5656
5657 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5658
5659         * tree-scalar-evolution.c: New file.
5660         * tree-scalar-evolution.h: New file.
5661         * tree-ssa-loop-niter.c: New file.
5662         * Makefile.in (SCEV_H): New.
5663         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
5664         * cfgloop.h (struct loop): Add bounds field.
5665         * tree-flow.h (struct tree_niter_desc): New type.
5666         (number_of_iterations_cond, number_of_iterations_exit,
5667         loop_niter_by_eval, find_loop_niter_by_eval,
5668         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
5669         free_numbers_of_iterations_estimates): Declare.
5670         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
5671         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
5672         * doc/invoke.texi (max-iterations-to-track): Document.
5673
5674 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
5675
5676         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
5677         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
5678         (MODE_AFTER): Add cast appropriately.
5679         * config/sh/sh.md (movdi splitter): Likewise.
5680         (casesi_worker_2): Add const qualifier appropriately.
5681         (eh_return): Remove unused variable.
5682         (insv): Initialize v;
5683
5684 2004-07-08  Richard Henderson  <rth@redhat.com>
5685
5686         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
5687         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5688         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
5689         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
5690         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
5691
5692         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
5693         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5694         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
5695         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
5696
5697         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
5698         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5699         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
5700         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
5701
5702         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
5703         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5704         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
5705         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
5706
5707         * config/i860/i860-protos.h (i860_va_arg): Remove.
5708         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5709         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
5710         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
5711
5712 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5713
5714         * system.h: Prototype getpagesize if missing.
5715         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
5716         * configure: Regenerate.
5717         * config.in: Regenerate.
5718
5719 2004-07-08  Richard Henderson  <rth@redhat.com>
5720
5721         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
5722         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5723         (fr30_gimplify_va_arg_expr): New.
5724         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
5725         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
5726
5727 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
5728
5729         PR target/16414
5730         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
5731         of asm_noperands result.
5732
5733 2004-07-08  Richard Henderson  <rth@redhat.com>
5734
5735         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
5736         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5737         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
5738         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
5739
5740 2004-07-08  Richard Henderson  <rth@redhat.com>
5741
5742         * builtins.c (ind_gimplify_va_arg_expr): New.
5743         * tree.h (ind_gimplify_va_arg_expr): Declare.
5744         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
5745
5746 2004-07-08  Jan Beulich  <jbeulich@novell.com>
5747
5748         * expmed.c (extract_bit_field): Correct condition to use vec_extract
5749         patterns also on vector elements other than the first one.
5750         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
5751         break statements.
5752
5753 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
5754
5755         * config/rs6000/darwin-ldouble.c: Correct reference
5756         to the Linnainmaa paper.
5757
5758 2004-07-08  Richard Henderson  <rth@redhat.com>
5759
5760         * config/arc/arc-protos.h (arc_va_arg): Remove.
5761         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5762         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
5763         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
5764
5765         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
5766         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5767         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
5768         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
5769
5770 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5771
5772         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
5773
5774 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
5775
5776         * c-decl.c (static_ctors, static_dtors): Make static.
5777         (pop_file_scope): Call c_common_write_pch and
5778         cgraph_finalize_compilation_unit here.
5779         (build_cdtor): Moved here from c-objc-common.c; simplify.
5780         (c_write_global_declarations_1): Clarify comment.
5781         (c_write_global_declarations): Close the external scope before
5782         doing anything else.  Call build_cdtor, cgraph_optimize, and
5783         mudflap_finish_file here.
5784         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
5785         Clarify comment.
5786         * c-objc-common.c: No need to include cgraph.h.
5787         (build_cdtor): Moved to c-decl.c.
5788         (c_objc_common_finish_file): Delete.
5789         * c-tree.h: Update to match.
5790         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
5791         (generate_static_references): Set TREE_USED before calling finish_decl.
5792         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
5793         on the static_instances_decl.
5794
5795 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
5796
5797         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
5798         decls when there is only one input translation unit.
5799         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
5800         change of 2004-07-05; do not treat declarations with
5801         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
5802         * opts.c (cur_in_fname): Delete.
5803         * opts.h: Likewise.
5804         * tree.c: Revert changes of 2004-07-05; no special treatment
5805         for TRANSLATION_UNIT_DECLs.
5806         * Makefile.in (tree.o): Update dependencies.
5807
5808 2004-07-08  Roger Sayle  <roger@eyesopen.com>
5809
5810         * builtins.c (fold_builtin_strcpy): Merge functionality from
5811         simplify_builtin_strcpy.  Add additional len argument.  No longer
5812         static.  Remove function prototype.
5813         (fold_builtin_strncpy): Likewise integrate functionality from
5814         simplify_builtin_strncpy.  Add additional slen argument.  No
5815         longer static.  Remove function prototype.
5816         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
5817         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
5818         types of "ignore" and "unlocked" parameters to bool.
5819         (fold_builtin_1):  Add additional ignore argument.  Call renamed
5820         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
5821         builtins.  Update arguments to fold_builtin_strncpy and
5822         fold_builtin_strcpy.  Add function prototype.
5823         (fold_builtin): Add additional Boolean ignore argument to pass
5824         to fold_builtin_1.
5825         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
5826         and fold_builtin_strncpy instead of simplify_builtin_fputs,
5827         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
5828
5829         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
5830         simplify_builtin_strncpy): Delete function prototypes.
5831         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
5832         fold_builtin_strncpy): Add function prototypes here.
5833         (fold_builtin): Update function prototype with new "bool ignore".
5834
5835         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
5836         (ccp_fold_builtin):  Update call to fold_builtin.  Call
5837         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
5838         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
5839         simplify_builtin_strncpy respectively.
5840         * fold-const.c (fold): Update call to fold_builtin.
5841
5842 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
5843
5844         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
5845         to strcpy.
5846
5847         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
5848         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
5849         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
5850         * calls.c: Remove ifdefs of macros above.
5851         * functions.c: Likewise.
5852         * expr.c: Likewise.
5853
5854 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5855
5856         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
5857         (arch attribute): Delete.
5858         (current_function_calls_alloca attribute): Rename into calls_alloca.
5859         (calls_eh_return): New attribute.
5860         (leaf_function): Likewise.
5861         (length attribute): Fix formula for sibcalls.
5862         (return insn): Correctly compute the 'length' attribute.
5863         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
5864
5865 2004-07-08  Richard Henderson  <rth@redhat.com>
5866
5867         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
5868         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
5869         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
5870         * tree-eh.c (lower_eh_constructs_1): Likewise.
5871         * tree-sra.c (sra_walk_modify_expr): Likewise.
5872         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
5873         (eliminate_unnecessary_stmts): Likewise.
5874         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5875         * tree-tailcall.c (optimize_tail_call): Likewise.
5876         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
5877
5878 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5879             Jakub Jelinek  <jakub@redhat.com>
5880
5881         * config/i386/i386.c (override_options): Enable
5882         SSE prefetches with -mtune, as long as we are
5883         compiling for i686 or higher.  All i686 processors
5884         accept SSE prefetches as NOPS, some i586's don't.
5885
5886 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5887
5888         PR target/10567
5889         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
5890
5891 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
5892
5893         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
5894         the handling of clobbering ASM_EXPRs.
5895
5896 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5897
5898         PR target/16430
5899         * config/sparc/sparc.c (function_value): In 64-bit mode,
5900         return the aggregates larger than 16 bytes like unions.
5901
5902 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5903
5904         PR target/16199
5905         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
5906         'temp' is zero, generate new pseudos as needed and emit the
5907         sequence of insns in single-assignment form.  Resync comments
5908         with code.
5909         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
5910         function before reload.
5911
5912 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
5913
5914         * vec.c (vec_assert_fail): Remove duplicate 'function'.
5915
5916         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
5917
5918         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
5919         Allocation is signed.
5920         (VEC_reserve): Return flag, allocation is signed.
5921
5922 2004-07-08  Richard Henderson  <rth@redhat.com>
5923
5924         * tree-ssa-ccp.c (fold_stmt): Get type directly from
5925         OBJ_TYPE_REF_OBJECT.
5926
5927 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
5928             Neil Booth  <neil@daikokuya.co.uk>
5929
5930         PR c/2511
5931         PR c/3325
5932         * c-decl.c (finish_struct): Ensure bit-fields are given the
5933         correct type.
5934         * c-common.c (c_common_signed_or_unsigned_type): For C, require
5935         the precision to match as well as the mode.
5936         * expr.c (reduce_to_bit_field_precision): New function.
5937         (expand_expr_real_1): Reduce expressions of bit-field type to
5938         proper precision.
5939         * langhooks.h (reduce_bit_field_operations): New hook.
5940         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
5941         Define.
5942         * c-lang.c, objc/objc-lang.c
5943         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
5944         * objc/objc-act.c (check_ivars): Convert types to bit-field types
5945         before checking.
5946         * tree.c (build_nonstandard_integer_type): New function.
5947         * tree.h (build_nonstandard_integer_type): New prototype.
5948         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
5949         conversions between integer and boolean types as useless.
5950
5951 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5952
5953         * c-common.c (c_common_nodes_and_builtins): Do not
5954         create __builtin_ptrdiff_t and __builtin_size_t.
5955
5956 2004-07-08  Andrew Pinski  <apinski@apple.com>
5957
5958         * Makefile.in (libbackend.o): Add -combine to the gcc
5959         command line.
5960
5961 2004-07-08  Nick Clifton  <nickc@redhat.com>
5962
5963         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
5964         Set to -Os.
5965
5966 2004-07-08  Richard Henderson  <rth@redhat.com>
5967
5968         * except.c (expand_eh_region_start, expand_eh_region_end,
5969         expand_eh_handler, expand_eh_region_end_cleanup,
5970         expand_start_all_catch, expand_start_catch, expand_end_catch,
5971         expand_end_all_catch, expand_eh_region_end_allowed,
5972         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
5973         expand_eh_region_end_fixup): Remove.
5974         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
5975         cleanups, outer_cleanups, label_chain, exception_region.
5976         (struct goto_fixup): Remove stack_level, cleanup_list_list.
5977         (struct label_chain): Remove.
5978         (struct stmt_status): Remove x_stack_block_stack.
5979         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
5980         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
5981         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
5982         end_cleanup_deferral, last_cleanup_this_contour,
5983         containing_blocks_have_cleanups_or_stack_level,
5984         any_pending_cleanups): Remove.
5985         (expand_null_return_1): Take no arguments.
5986         (expand_label, expand_naked_return, expand_return,
5987         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
5988         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
5989         expand_end_case_type): Don't use any of them.
5990         * calls.c (expand_call): Likewise.
5991         * dojump.c (do_jump): Likewise.
5992         * function.c (expand_function_end): Likewise.
5993         * expr.c (store_expr, expand_expr_real_1): Likewise.
5994         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
5995         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
5996         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
5997         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
5998         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
5999         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
6000         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
6001         for WITH_CLEANUP_EXPR.
6002         (gimple_push_cleanup): Likewise.
6003         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
6004         * print-tree.c (print_node): Likewise.
6005         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
6006         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
6007         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
6008         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
6009         (GOTO_SUBROUTINE_EXPR): Remove.
6010         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
6011         (DECL_TOO_LATE): Remove.
6012         * except.h, tree.h: Update decls.
6013
6014 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6015
6016         * explow.c (optimize_save_area_alloca): Do not accept parameters.
6017         * passes.c (rest_of_handle_final): Handle symout.
6018         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
6019         Push timevar here.
6020         (rest_of_handle_sched): Break out SMS.  Remove ifs for
6021         flag_schedule_insns and flag_modulo_sched.
6022         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
6023         collect at the end.
6024         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
6025         (rest_of_handle_partition_blocks, rest_of_handle_sms,
6026         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
6027         rest_of_handle_mode_switching, rest_of_handle_jump,
6028         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
6029         rest_of_handle_jump2, rest_of_handle_postreload,
6030         rest_of_handle_flow2, rest_of_clean_state,
6031         rest_of_handle_shorten_branches,
6032         rest_of_handle_prologue_epilogue,
6033         rest_of_handle_branch_target_load_optimize): New.
6034         (rest_of_compilation): Call the above.  Remove ggc_collect
6035         calls moved to rest_of_handle_*.
6036         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
6037
6038         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
6039         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
6040         * except.h (set_nothrow_function_flags): Update comment.
6041         * function.c (current_function_nothrow): Remove.
6042         * output.h (current_function_nothrow): Remove.
6043         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
6044         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
6045
6046 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6047
6048         PR bootstrap/16326
6049         * reorg.c: Revert 2004-06-30 change.
6050         (find_end_label): If HAVE_epilogue and !HAVE_return,
6051         return 0 instead of creating a label at the end of the insn chain.
6052         (optimize_skip): Account for the failure mode of find_end_label.
6053         (fill_simple_delay_slots): Likewise.
6054         (fill_slots_from_thread): Likewise.
6055         (relax_delay_slots): Likewise.
6056
6057 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6058
6059         * tree-flow.h (addressable_vars): Declare.
6060         * tree-ssa-alias.c (addressable_vars): Define.
6061         (setup_pointers_and_addressables): Add addressable variables
6062         to addressable_vars.
6063         * tree-ssa-operands.c (get_stmt_operands): Move
6064         handling of ASM_EXPRs ...
6065         (get_asm_expr_operands): ... here.
6066         When the ASM_EXPR clobbers memory, also clobber addressable
6067         variables.
6068         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
6069         (delete_tree_ssa): Reset addressable_vars.
6070
6071 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6072             Richard Henderson  <rth@redhat.com>
6073
6074         * varasm.c (assemble_variable): Use assemble_zeros for
6075         zero-initialized variables.
6076         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
6077         for SECCAT_BSS and SECCAT_TBSS.
6078
6079 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6080
6081         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
6082
6083         * expmed.c (emit_store_flag): Also special-case double-word
6084         (in-)equality comparison against -1.
6085
6086         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
6087         passing arguments the containers for which are registers.
6088
6089         * calls.c (emit_library_call_value_1): Use mode of function parameter
6090         rather than that of argument since constants have none.
6091
6092 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6093
6094         Introduce H8SX support.
6095         * expr.c (expand_strcpy): Renamed and moved to...
6096         * builtins.c (expand_movstr): ... here.  Tweak.
6097         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
6098         computed or has side effects.
6099         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
6100         unused, or if mempcpy fails.  Adjust the return value in the
6101         latter case.  Use movstr if everything else fails.
6102         * doc/md.texi (movstr): Document.
6103         (movmemM, clrmemM): Fix explanation of memory block operands.
6104         * config/h8300/h8300.md (stpcpy): Renamed to...
6105         (movstr): ... this.  Adjust.
6106         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6107         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
6108         movmem* and clrstr* to clrmem*.
6109         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
6110         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
6111         GENERAL_REGS, always.
6112         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
6113         getting the stack pointer as addr.
6114         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
6115         from general_operand_dst.
6116         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
6117         variant of...
6118         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
6119         instead of requiring it to match only before reload.
6120         (stpcpy_internal_normal): New, normal-mode variant of...
6121         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
6122         `D' instead of requiring it to match only before reload.
6123         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
6124         mode argument.
6125         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
6126         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
6127         h8300_get_index.
6128         * config/h8300/h8300.md (attr type): Add call.
6129         (attr can_delay): If type is call, set it no.
6130         (call, call_value): Set type to call.
6131         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
6132         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
6133         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
6134         * tree.c (get_narrower): Don't narrow integral types into
6135         non-integral types.
6136         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
6137         frame_size *before* the first use.
6138         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
6139         on input.
6140         (peephole2): Don't widen instructions that push SP.  Move
6141         decrement of SP to the end of all stm-generating peepholes.
6142         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6143         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
6144         and OR to set it to all ones.
6145         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6146         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
6147         (call, call_value): Set can_delay to "no".
6148         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
6149         * config/h8300/h8300.md (extzv): Make subreg check more robust.
6150         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6151         * config/h8300/h8300.md (*brabit): Remove.
6152         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
6153         zero_extract.  Use bit_memory_operand as the predicate for
6154         operand 1 and 'WU' as the constraint.  Check the difference
6155         between the base length and the final one when deciding which
6156         type of branch to use.
6157         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6158         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
6159         Use convert_move to extend the result for TARGET_H8300SX.  Check
6160         for QImode memory references.  Optimize the case where the
6161         destination is a paradoxical subreg.
6162         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6163         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
6164         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
6165         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6166         * config/h8300/h8300.md: Include mova.md
6167         (length_table): Add mova and mova_zero.
6168         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
6169         after all constant addresses for '%R', '%X', '%T' and '%S'.
6170         (h8300_mova_length): New function.
6171         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
6172         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
6173         dependencies for s-config, etc.
6174         * config/h8300/gemova.sh: New file.
6175         * config/h8300/mova.md: Generated.
6176         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
6177         * config/h8300/h8300.c (h8300_bitfield_length): New.
6178         (nibble_operand): Adjust.
6179         (h8300_binary_length): Handle conditional binary op.
6180         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
6181         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
6182         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
6183         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
6184         constraints.  WU is introduced as a variant of U that requires a
6185         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
6186         * config/h8300/h8300.md (attr type): Added bitbranch.
6187         (attr length_table): Added bitfield and bitbranch.
6188         (attr length): Compute bitbranch length.
6189         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
6190         least-significant bit of a byte.
6191         (brabit, brabc, brabs): New.
6192         (insv, extzv): Emit bfst and bfld on H8300SX.
6193         (bfld, bfst, seq, sne): New.
6194         (bstzhireg, cmpstz, bstz, bistz): New.
6195         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
6196         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
6197         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
6198         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
6199         (h8sx_unary_memory_operator): New function.
6200         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
6201         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
6202         * config/h8300/h8300.md: Add peepholes to combine reloads and
6203         arithmetic insns.
6204         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
6205         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
6206         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
6207         (and?i, ior?i, xor?i): Likewise.
6208         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
6209         * config/h8300/h8300.c: Move enums and prototypes to head of file.
6210         Various whitespace fixes.
6211         (h8300_constant_length): New function, split out from...
6212         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
6213         (h8300_classify_operand): Use IN_RANGE.
6214         (h8300_classify_operand): Use h8300_constant_length.
6215         (h8300_short_move_mem_p): Tighten size check.
6216         (h8sx_mergeable_memrefs_p): Tighten equality check.
6217         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
6218         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
6219         for -msx.
6220         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
6221         * config/h8300/crtn.asm: Likewise.
6222         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
6223         if __H8300SX__ is defined.
6224         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
6225         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
6226         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
6227         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
6228         addresses as mode-dependent.
6229         * config/h8300/h8300.c (print_operand_address): Update call to
6230         h8300_get_index.
6231         (h8300_get_index): Take a mode argument.  Rework to fix an
6232         earlier misunderstanding.
6233         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
6234         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
6235         into a register if TARGET_H8300SX.
6236         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
6237         TARGET_H8300SX.  Also disable related define_splits.
6238         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
6239         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
6240         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
6241         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
6242         * config/h8300/h8300.h (OK_FOR_Z): New macro.
6243         (EXTRA_CONSTRAINT_STR): Check it.
6244         * config/h8300/h8300.c (h8300_classify_operand): Accept null
6245         class arguments.
6246         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
6247         * config/h8300/h8300.md (length_table): Add mov_imm4.
6248         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
6249         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
6250         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
6251         be a label.
6252         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
6253         * config/h8300/h8300.c (h8300_reorg): New function.
6254         (TARGET_MACHINE_DEPENDENT_REORG): Define.
6255         * config/h8300/h8300.md (length): Subtract the length of the
6256         delay slot from (pc) when checking the range of forward branches.
6257         (delay_slot, can_delay): New attributes.
6258         (define_delay): Add bra/s handling.
6259         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
6260         (jump): Add delayed-branch handling.
6261         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
6262         * expr.c (expand_strcpy): New function.
6263         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
6264         (expand_builtin_stpcpy): Likewise.
6265         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
6266         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
6267         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
6268         handling to improve register allocation for -fno-omit-frame-pointer.
6269         (h8sx_split_movmd): Delete, moving er6 handling into...
6270         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
6271         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
6272         (movmd): Add calls to copy_rtx.
6273         (movmd_internal): In the second alternative, allow the initial and
6274         final destination registers to be different .  Update the splitter
6275         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
6276         instead of h8sx_split_movmd.
6277         (stpcpy, movsd): New expanders.
6278         (movsd_internal): New define_insn.
6279         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
6280         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
6281         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
6282         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
6283         and DESTINATION_REGS.
6284         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
6285         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
6286         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
6287         (h8300_move_ratio): Declare.
6288         (MOVE_RATIO): Use it.
6289         * config/h8300/h8300.c (h8300_move_ratio): New variable.
6290         (h8300_init_once): Initialize it.
6291         (h8300_reg_class_from_letter): New function.
6292         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
6293         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
6294         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
6295         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
6296         (movstrsi, movmd): New expanders.
6297         (movmd_internal): New insn.
6298         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
6299         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
6300         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
6301         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
6302         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
6303         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
6304         * config/h8300/h8300.c (nibble_operand): Fix warning.
6305         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
6306         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
6307         (movsf_h8300h): Disable for TARGET_H8300SX.
6308         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
6309         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
6310         h8300_stm_parallel and h8300_return_parallel.
6311         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
6312         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
6313         h8300_stm_parallel, h8300_return_parallel): New functions.
6314         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
6315         if TARGET_H8300SX.  Use h8300_push_pop.
6316         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
6317         and final pop when generating h8sx code.  Always emit some form
6318         of return insn.
6319         * config/h8300/h8300.md: Don't enforce register alignment in
6320         stm peepholes if TARGET_H8300SX.
6321         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
6322         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
6323         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
6324         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
6325         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
6326         (MULTILIB_DIRNAMES): Add a directory for it.
6327         (MULTILIB_MATCHES): Delete.
6328         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
6329         * final.c (walk_alter_subreg): Handle addresses with subregs
6330         inside a ZERO_EXTEND or AND.
6331         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
6332         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
6333         if TARGET_H8300SX.
6334         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
6335         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
6336         @(dd,Rn.w) and @(dd,ERn.L).
6337         (h8300_displacement_size): Take the whole address as argument.
6338         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
6339         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
6340         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
6341         (h8sx_mergeable_memrefs_p): Declare.
6342         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
6343         (HAVE_PRE_INCREMENT): Likewise.
6344         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
6345         addresses for TARGET_H8300SX,
6346         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
6347         and POST_DEC.
6348         (movb_length_table, movl_length_table): New tables.
6349         (movw_length_table): Define to movb_length_table.
6350         (h8300_displacement_size): New, split out from...
6351         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
6352         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
6353         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
6354         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
6355         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
6356         (compute_plussi_length, compute_plussi_cc): Update accordingly.
6357         (h8sx_unary_shift_operator): Get the mode from the operator.
6358         (binary_shift_operator): Likewise.
6359         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
6360         a memory reference, check whether the reference is offsettable.
6361         (length_table): Add movb, movw and movl.
6362         (movqi): Add new h8sx pattern.  Don't force one operand to be a
6363         register when generating h8sx code.
6364         (movhi, movsi, movsf): Likewise.
6365         (movstrictqi): Use the length_table attribute.
6366         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
6367         (addqi3): Split into a define_expand and define_insn.  Don't accept
6368         memory operands in the expander.  Use h8300_operands_match_p to
6369         check for matching operands in the define_insn.
6370         (subqi3, negqi2, one_cmplqi2): Likewise.
6371         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
6372         in any patterns that are unused in h8sx code.  In the h8sx patterns,
6373         use h8300_operands_match_p to check whether operands match.
6374         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
6375         one_cmpl[hs]i3): Likewise.
6376         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
6377         in the expander.
6378         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
6379         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
6380         (h8300_insn_length_from_table): Add a second parameter.
6381         (output_h8sx_shift): Declare.
6382         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
6383         (EXTRA_CONSTRAINT): Replace with...
6384         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
6385         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
6386         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
6387         and h8sx_binary_shift_operator.
6388         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
6389         for TARGET_H8300SX.
6390         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
6391         (bit_memory_operand, fix_bit_operand): Likewise.
6392         (h8300_length_table_for_insn): Remove.
6393         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
6394         instructions.
6395         (h8300_short_immediate_length, h8300_binary_length): New functions.
6396         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
6397         (output_plussi): Use sub to add negative constants.
6398         (compute_plussi_length): Adjust accordingly.
6399         (h8sx_single_shift_type): New enum.
6400         (h8sx_single_shift, h8sx_unary_shift_operator,
6401         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
6402         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
6403         single h8sx instruction.  Return false in this case.
6404         * config/h8300/h8300.md (length_table): Add short_immediate.
6405         (length): Pass the operand array to h8300_insn_length_from_table.
6406         (adjust_length): Assume "no" for insns with a length_table attribute.
6407         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
6408         (*addhi3_h8300hs): Don't use for h8sx.
6409         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
6410         and sub.w #xx:3.
6411         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
6412         1's predicate to nonimmediate_operand.  Only skip default expansion
6413         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
6414         for single h8sx shift instructions.
6415         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
6416         * config/h8300/h8300.c (nibble_operand): Split out of...
6417         (reg_or_nibble_operand): ... this.
6418         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
6419         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
6420         umulhisi3): Introduce expand, and introduce separate insns for
6421         sign- or zero-extended REG and already-extended CONST_INT.
6422         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
6423         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
6424         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
6425         (subhi3): Likewise.  Don't accept immediates for operand 1.
6426         Remove the early clobber from second alternative of the h8300s pattern.
6427         (subsi3): Generalize for h8sx.  Force operand 2 into a register
6428         on plain h8300 targets.
6429         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
6430         (subsi3_h8300h): Generalize for h8sx.
6431         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
6432         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
6433         * config/h8300/h8300.c (reg_or_nibble_operand): New.
6434         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
6435         (TARGET_H8300SXMUL): New.
6436         (CONST_OK_FOR_P): New.
6437         (CONST_OK_FOR_LETTER_P): Adjust.
6438         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
6439         umulhisi3): Accept 4-bit immediate on H8SX.
6440         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
6441         (udivsi3, divhi3, udivsi3, divsi3): New.
6442         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
6443         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
6444         * config/h8300/h8300.h (OK_FOR_Q): New macro.
6445         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
6446         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
6447         Add ADDRESSOF to the bit_operand entry.
6448         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
6449         (h8300_src_operand): Likewise.
6450         (bit_operand): Check nonimmediate_operand rather than general_operand.
6451         Accept any nonimmediate_operand in h8sx code.
6452         (h8300_and_costs): Initialize operands[1].
6453         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
6454         (h8300_operand_class): New enum.
6455         (h8300_length_table): New typedef.
6456         (addb_length_table, addw_length_table, addl_length_table,
6457         logicl_length_table): New tables.
6458         (logicb_length_table, logicw_length_table): New macros.
6459         (h8300_classify_operand, h8300_length_from_table,
6460         h8300_length_table_for_insn, h8300_unary_length,
6461         h8300_insn_length_from_table): New functions.
6462         (output_plussi): Only use adds and subs for register destinations.
6463         Disable redundant clause.
6464         (compute_plussi_cc): Likewise.
6465         (compute_plussi_length): Likewise.  Use h8300_length_from_table
6466         to work out the length of an insn.
6467         (output_logical_op): Only use narrower immediate instructions
6468         if the destination is a register.
6469         (compute_logical_op_cc): Likewise.
6470         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
6471         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
6472         * config/h8300/h8300.md (length_table): New attribute.
6473         (length): When an instruction has a length_table attribute, use
6474         h8300_insn_length_from_table to calculate its default length.
6475         (cmpqi): Use h8300_dst_operand for the first operand and
6476         h8300_src_operand for the second.
6477         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
6478         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
6479         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
6480         iorsi3, xorhi3, xorsi3): Likewise.
6481         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
6482         so that it allows any combination of operands for TARGET_H8300SX.
6483         (iorqi3, xorqi3): Likewise.
6484         (cmpqi): Use the length_table attribute.
6485         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
6486         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
6487         (cmpqi): Add 'Q' constraint.
6488         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
6489         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
6490         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
6491         * config/h8300/h8300.h (MASK_H8300SX): New macro.
6492         (TARGET_H8300S): True for both -ms and -msx.
6493         (TARGET_H8300SX): New macro.
6494         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
6495         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
6496         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
6497         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
6498         [Temporary change.]
6499         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
6500         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
6501         16-bit pointers and 32-bit ints.
6502         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
6503         CONST_DOUBLE with mode no wider than SImode.
6504         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
6505         output operand.
6506         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
6507         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
6508         or SUBREG thereof.
6509         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
6510         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
6511         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
6512
6513 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6514
6515         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
6516
6517 2004-07-07  Per Bothner  <per@bothner.com>
6518
6519         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
6520
6521 2004-07-07  Mike Stump  <mrs@apple.com>
6522
6523         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
6524         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
6525         (machopic_finish): Likewise.
6526
6527 2004-07-07  Richard Henderson  <rth@redhat.com>
6528
6529         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
6530         through any value-preserving cast.
6531
6532 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6533
6534         * function.c (assign_parm_find_data_types): Call
6535         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
6536
6537 2004-07-07  Steven Bosscher  <stevenb@suse.de>
6538
6539         * tree-cfg.c (group_case_labels): Remove case labels that have
6540         the same target as the default case.
6541
6542 2004-07-07  Steven Bosscher  <stevenb@suse.de>
6543
6544         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
6545         regardless of DECL_LANG_SPECIFIC being present or not.
6546         * tree.h (DECL_NUM_STMTS): Purge.
6547
6548 2004-07-07  Andrew Pinski  <apinski@apple.com>
6549
6550         * configure: Regenerate with the right autoconf.
6551
6552 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
6553
6554         * ifcvt.c (total_bb_rtx_cost): New function.
6555         (find_if_case_1): Compare rtx_cost of basic block to cost of
6556         BRANCH_COST insns.
6557         (find_if_case_2): Same.
6558
6559 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6560
6561         PR target/10567
6562         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
6563         (output_return): Likewise.
6564         (output_sibcall): Abort if !flag_delayed_branch.
6565         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
6566         (emit_and_preserve): New function.
6567         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
6568         indirect jump to the thunked-to function if !flag_delayed_branch.
6569         * config/sparc/sparc.md (delayed_branch): New attribute.
6570         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
6571         attribute to compute the length of the insn.
6572         (goto_handler_and_restore): Likewise.
6573
6574 2004-07-07  Andrew Pinski  <apinski@apple.com>
6575
6576         PR tree-optimization/15777
6577         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
6578
6579         * expr.c (expand_expr_real_1): Fix formating.
6580         BUFFER_REF and IN_EXPR are dead.
6581         * fold-const.c (non_lvalue): BUFFER_REF is dead.
6582         * tree-inline.c (estimate_num_insns_1): Likewise.
6583         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
6584         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
6585         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
6586
6587 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
6588
6589         * collect2.c (dump_file): Don't call cplus_demangle if
6590         HAVE_LD_DEMANGLE is defined.
6591         (main): Pass "--demangle" to ld if no_demangle is not 0 and
6592         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
6593         if HAVE_LD_DEMANGLE is defined.
6594
6595         * configure.ac (--with-demangler-in-ld): Added
6596         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
6597         --with-demangler-in-ld is used.
6598         * config.in: Regenerated.
6599         * configure: Likewise.
6600
6601 2004-07-07  Roger Sayle  <roger@eyesopen.com>
6602
6603         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
6604         for simple floating point operations "fp", double precision
6605         multiplication "dmul", and single and double precision division
6606         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
6607         (ppc630_cost): New table split from ppc620_cost, to distinguish
6608         differences in floating point latencies.
6609         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
6610         (rs6000_rtx_costs): Add support for single and double precision
6611         floating point addition, subtraction, multiplication, division,
6612         fused-multiply-add, fused-multiply-sub, negation, absolute value
6613         and negative absolute value.  Tweak MEM case to use prefered idiom.
6614
6615 2004-07-07  Richard Henderson  <rth@redhat.com>
6616
6617         * tree-flow-inline.h (may_propagate_copy): Move...
6618         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
6619         attempt to copy between types requiring conversion.
6620         * tree-flow.h (may_propagate_copy): Update decl.
6621         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
6622
6623 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
6624
6625         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
6626         from -mtune= option.
6627
6628 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6629
6630         * builtins.c: Rename movstr*, except for movstrict*, to
6631         movmem* and clrstr* to clrmem*.
6632         * expr.c: Likewise.
6633         * expr.h: Likewise.
6634         * genopinit.c: Likewise.
6635         * integrate.c: Likewise.
6636         * local-alloc.c: Likewise.
6637         * optabs.c: Likewise.
6638         * optabs.h: Likewise.
6639         * config/alpha/alpha.h: Likewise.
6640         * config/alpha/alpha.md: Likewise.
6641         * config/arm/arm-protos.h: Likewise.
6642         * config/arm/arm.c: Likewise.
6643         * config/arm/arm.md: Likewise.
6644         * config/avr/avr.md: Likewise.
6645         * config/c4x/c4x.c: Likewise.
6646         * config/c4x/c4x.md: Likewise.
6647         * config/frv/frv.md: Likewise.
6648         * config/i386/i386-protos.h: Likewise.
6649         * config/i386/i386.c: Likewise.
6650         * config/i386/i386.h: Likewise.
6651         * config/i386/i386.md: Likewise.
6652         * config/i860/i860.c: Likewise.
6653         * config/i860/i860.md: Likewise.
6654         * config/ip2k/ip2k.md: Likewise.
6655         * config/ip2k/libgcc.S: Likewise.
6656         * config/ip2k/t-ip2k: Likewise.
6657         * config/m32r/m32r.c: Likewise.
6658         * config/m32r/m32r.md: Likewise.
6659         * config/mcore/mcore.md: Likewise.
6660         * config/mips/mips.c: Likewise.
6661         * config/mips/mips.md: Likewise.
6662         * config/ns32k/ns32k.c: Likewise.
6663         * config/ns32k/ns32k.h: Likewise.
6664         * config/ns32k/ns32k.md: Likewise.
6665         * config/pa/pa.c: Likewise.
6666         * config/pa/pa.md: Likewise.
6667         * config/pdp11/pdp11.h: Likewise.
6668         * config/pdp11/pdp11.md: Likewise.
6669         * config/rs6000/rs6000.c: Likewise.
6670         * config/rs6000/rs6000.md: Likewise.
6671         * config/s390/s390-protos.h: Likewise.
6672         * config/s390/s390.c: Likewise.
6673         * config/s390/s390.md: Likewise.
6674         * config/sh/lib1funcs.asm: Likewise.
6675         * config/sh/sh.c: Likewise.
6676         * config/sh/sh.md: Likewise.
6677         * config/sh/t-sh: Likewise.
6678         * config/sparc/sparc.h: Likewise.
6679         * config/vax/vax.md: Likewise.
6680         * config/xtensa/xtensa.c: Likewise.
6681         * config/xtensa/xtensa.md: Likewise.
6682         * doc/invoke.texi: Likewise.
6683         * doc/md.texi: Likewise.
6684         * doc/rtl.texi: Likewise.
6685
6686 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
6687
6688         PR target/16407
6689         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
6690         * config/mips/mips.c (mips_declare_common_object): New function,
6691         mostly split out from...
6692         (mips_output_aligned_decl_common): ...here.
6693         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
6694         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
6695         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
6696         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
6697
6698 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6699
6700         PR c/16392
6701         * function.c (assign_parms): Fix typo from previous change.
6702
6703 2004-07-07  Jason Merrill  <jason@redhat.com>
6704
6705         PR c++/15815
6706         * doc/extend.texi (C++ Interface): Correct information and
6707         discourage use.
6708
6709 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
6710
6711         PR target/16130
6712         PR target/16142
6713         PR target/16143
6714         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
6715         insn.
6716
6717 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6718
6719         PR target/1679.
6720         * config/m32r/m32r.c (m32r_function_symbol): New function:
6721         Generate a symbol name RTX with the correct m32r specific flags
6722         set.
6723         (block_move_call): Use new function to generate correct symbol.
6724         * config/m32r/m32r-protos.h: Add prototype for new funcion.
6725         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
6726         function.
6727
6728 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6729
6730         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
6731         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
6732         TYPE_BINFO_BASETYPE): Remove.
6733         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
6734         to ...
6735         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
6736         here.
6737         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
6738         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
6739         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
6740         (struct tree_binfo): Rename base_types to base_binfos.
6741         * alias.c (record_component_aliases): Adjust BINFO macros.
6742         * dbxout.c (dbxout_type): Likewise.
6743         * dwarf2out.c (gen_member_die): Likewise.
6744         * sdbout.c (sdbout_one_type): Likewise.
6745         * tree-dump.c (deque_and_dump): Likewise.
6746         * config/i386/i386.c (classify_argument,
6747         contains_128bit_aligned_vector_p): Likewise.
6748
6749 2004-07-07  Nick Clifton  <nickc@redhat.com>
6750
6751         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
6752         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
6753
6754 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6755
6756         * vec.h: Fix the example use.
6757
6758 2004-07-06  Richard Henderson  <rth@redhat.com>
6759
6760         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
6761         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
6762         * tree-inline.c (copy_body_r, setup_one_parameter,
6763         initialize_inlined_parameters, expand_call_inline,
6764         declare_inline_vars): Don't check it.
6765         (expand_calls_inline): Remove old version, rename new version
6766         from gimple_expand_calls_inline.
6767         * tree-optimize.c (execute_gimple): Remove.
6768         (pass_gimple): Don't run anything.
6769
6770 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
6771
6772         * doc/sourcebuild.texi: Use semicolons instead of commas in
6773         section title.
6774
6775 2004-07-06  Richard Henderson  <rth@redhat.com>
6776
6777         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
6778         (sra_walk_modify_expr, scan_init): Likewise.
6779         (generate_element_zero): Check visited before scanning children.
6780         (generate_element_init): Set visited on error.
6781         (scalarize_init): Handle generate_element_init failure similar
6782         to use_block_copy.
6783
6784 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
6785
6786         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
6787         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
6788
6789 2004-07-06  Richard Henderson  <rth@redhat.com>
6790
6791         * config/i386/i386.c (legitimize_pic_address): Make static.
6792         (legitimize_address): Handle CONST with TLS operand.
6793         (ix86_expand_move): Don't call legitimize_pic_address directly.
6794         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
6795
6796 2004-07-06  Roger Sayle  <roger@eyesopen.com>
6797
6798         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
6799         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
6800         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
6801         is currently executed unconditionally, i.e. not in "else_bb".
6802
6803 2004-07-06  Steven Bosscher  <stevenb@suse.de>
6804
6805         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
6806         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6807         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
6808         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6809         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
6810         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6811         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
6812         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6813         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
6814         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6815         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
6816         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6817         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
6818         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6819         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
6820         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6821
6822 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
6823
6824         * dojump.c (do_jump): REFERENCE_EXPR is dead.
6825         * expr.c (expand_expr_real_1): Ditto.
6826         * tree-inline.c (estimate_num_insns_1): Ditto.
6827         * tree-pretty-print.c (dump_generic_node): Ditto.
6828         (op_symbol): Ditto.
6829         * tree.def: Ditto.
6830
6831 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
6832
6833         * tree-ssa-pre.c (reference_node_pool): New pool.
6834         (find_or_generate_expression): Class 'r' is okay too.
6835         (create_value_expr_from): Ditto.
6836         (add_to_sets): LHS should not include vuses.
6837         (eliminate): Ditto.
6838         (compute_avail): Reverse ordering of tests.
6839         Valuize INDIRECT_REF as well.
6840
6841 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
6842
6843         PR rtl-optimization/16380
6844         * loop.c (check_dbra_loop): Sink comparison instructions if they
6845         do something other than set cc0.
6846
6847 2004-07-06  James E Wilson  <wilson@specifixinc.com>
6848
6849         * doc/interface.texi (longjmp and automatic variables): Delete
6850         paragraph recommending taking the address of a variable.
6851
6852 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
6853
6854         * vec.h (VEC_embedded_alloc): Remove.
6855         (VEC_embedded_size, VEC_embedded_init): New.
6856         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
6857         MEM_STAT_INFO.
6858         (VEC_truncate): New.
6859         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
6860         (vec_embedded_alloc): Remove.
6861         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
6862         (vec_embedded_alloc): Remove.
6863
6864 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
6865
6866         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
6867         (gt-langhooks.h): Remove.
6868
6869 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
6870
6871         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
6872
6873 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6874
6875         * config/sparc/sparc.c (get_pc_symbol): Rename into
6876         add_pc_to_pic_symbol.
6877         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
6878         (load_pic_register): Account for previous changes.
6879         Use reg_names.  Don't create the label twice.
6880         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
6881         UNSPEC_LOAD_PCREL_SYM.
6882         (get_pc): Rename into load_pcrel_sym.  Add predicate to
6883         operands.  Remove condition.
6884
6885 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
6886
6887         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
6888         RECORD, UNION & QUAL_UNION is actually a binfo.
6889
6890         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
6891         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
6892         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
6893         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
6894         * dwarf2out.c (add_data_member_location_attribute): Likewise.
6895         (gen_inheritance_die): Likewise.
6896         * tree-dump.c (deque_and_dump): Likewise.
6897         * doc/c-tree.texi (Binfos): Add under reconstruction note.
6898
6899 2004-07-06  Steven Bosscher  <stevenb@suse.de>
6900
6901         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
6902         Define.
6903         * config/mcore/mcore.md: Model memory latency with a simple DFA
6904         pipeline description instead of a define_function_unit.
6905
6906 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6907
6908         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
6909         * langhooks.h (var_mod_type_p): Likewise.
6910         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
6911         * expr.c (count_type_elements): Properly handle return from
6912         array_type_nelts and properly test for overflow.
6913         * gimplify.c (gimplify_init_constructor): Properly handle return
6914         from array_type_nelts.
6915         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
6916         * integrate.c (copy_decl_for_inlining): Correct comments.
6917         * tree-inline.c (remap_decl): Update comments, remove dead code,
6918         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
6919         (remap_type): Only remap if variably modified by vars in function
6920         being inlined.
6921         (copy_body_r): Use compatible_type langhooks to see when can fold.
6922         (setup_one_parameter): Don't remap type.
6923         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
6924         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
6925         compute TREE_INVARIANT for decl case.
6926         (find_var_from_fn): New function.
6927         (variably_modified_type_p): Add arg and call new function.
6928         * tree.h (variably_modified_type_p): Add extra arg.
6929
6930 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6931
6932         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
6933         (goto_handler_and_restore_v9): Delete disabled insn.
6934         (goto_handler_and_restore_v9_sp64): Likewise.
6935
6936 2004-07-05  Roger Sayle  <roger@eyesopen.com>
6937
6938         * calls.c (load_register_parameters): Call expand_shift instead
6939         of expand_binop with ashl_optab (or other shift optab) directly.
6940         * expr.c (emit_group_load, emit_group_store): Likewise.
6941         * function.c (assign_parm_setup_block): Likewise.
6942         * stmt.c (shift_return_value): Likewise.
6943
6944 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
6945
6946         * expr.c (expand_assignment): Disable the bitfield += optimizations.
6947
6948 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6949
6950         * doc/sourcebuild.texi: Revert previous patch.
6951
6952 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6953
6954         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
6955         TARGET_MEM_FUNCTIONS.
6956         * system.h: Poison TARGET_MEM_FUNCTIONS.
6957         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
6958         bcmp_libfunc, bzero_libfunc): Remove.
6959         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
6960         bzero_libfunc.
6961         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
6962         * doc/standards.texi: Don't mention calling BSD string functions.
6963         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
6964         * config/vax/t-memfuncs: New.
6965         * config/memcmp.c, config/memcpy.c, config/memmove.c,
6966         config/memset.c: New.
6967         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
6968         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
6969         vax/t-memfuncs.
6970         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
6971         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
6972         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
6973         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
6974         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
6975         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
6976         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
6977         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
6978         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
6979         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
6980
6981 2004-07-05  Richard Henderson  <rth@redhat.com>
6982
6983         * function.c (assign_parm_setup_reg): Properly rename variables in
6984         FUNCTION_ARG_CALLEE_COPIES section.
6985
6986 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
6987
6988         * tree-mudflap.c: Include cgraph.h.
6989         (mf_init_extern_trees): Rename to mudflap_init.  Export.
6990         Rewrite to create synthetic declarations instead of looking
6991         up declarations from mf-runtime.h.
6992         (mf_make_builtin, mf_make_cache_struct_type): New functions.
6993         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
6994         Correct commentary.
6995         (execute_mudflap_function_decls, mudflap_register_call):
6996         Don't call mf_init_extern_trees.
6997         (mudflap_finish_file): Use cgraph_build_static_cdtor.
6998
6999         * tree-mudflap.h: Update prototypes.
7000         * c-mudflap.c: Delete file.
7001         * c-common.c: Include tree-mudflap.h.
7002         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
7003         * Makefile.in: Remove all references to c-mudflap.o.
7004         Update dependencies.
7005
7006 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7007
7008         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
7009         displacements with the spatial-locality cache-control completer.
7010
7011 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7012
7013         * langhooks.c: Don't include gt-langhooks.h.
7014         (var_labelno): Delete.
7015         (lhd_set_decl_assembler_name): Do not append a distinguishing
7016         number to file-scope internal-linkage declarations for the first
7017         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
7018         the declaration itself (if at block scope), or its containing
7019         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
7020         number.
7021
7022         * opts.c (cur_in_fname): New global.
7023         * opts.h: Declare it.
7024         * tree.c: Include opts.h.
7025         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
7026         DECL_UID equal to cur_in_fname.
7027         (copy_node_stat): Do not change DECL_UID when copying a
7028         TRANSLATION_UNIT_DECL.
7029         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
7030         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
7031
7032         * c-decl.c (c_static_assembler_name): Delete.
7033         * c-tree.h (c_static_assembler_name): Delete prototype.
7034         * c-lang.c, objc/objc-lang.c: Don't override
7035         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
7036
7037         * Makefile.in (tree.o): Update dependencies.
7038         (GTFILES): Remove langhooks.c.
7039
7040 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7041
7042         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
7043         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
7044         Normalize "X % C" as "X % -C" for signed modulus and negative C.
7045         Optimize "X % -Y" as "X % Y" for signed modulus.
7046         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
7047         into "((unsigned) X % Y) == 0".
7048
7049 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7050
7051         * sourcebuild.texi (Config Fragments): Use @comma{} in
7052         cross-reference to section title.
7053
7054 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7055
7056         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
7057         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
7058         (gimplify_target_expr, gimplify_expr): Likewise.
7059         (copy_if_shared_r): No longer need special case for BIND_EXPR.
7060         (unshare_body, unvisit_body): Only look at nested if BODY_P is
7061         whole function.
7062         (gimplify_compound_lval): See if we can strip any useless conversion.
7063         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
7064         from RHS, not LHS.
7065         (gimplify_modify_expr_to_memset): Likewise.
7066         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
7067         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
7068         (declare_inline_vars): Likewise.
7069         (walk_type_fields): New function.
7070         (walk_tree): Use it.
7071         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
7072
7073         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
7074         (sra_walk_modify_expr): Allow init function to fail.
7075         (scan_init): Now returns bool.
7076         (generate_element_init): If can't understand INIT, return false.
7077         (scalarize_init): Return false if generate_element_init does.
7078
7079         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
7080         print bounds.
7081
7082         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
7083         bounds if bounds aren't constant.
7084
7085         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
7086
7087         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
7088         to type hooks; remove bogus PARAMS.
7089
7090 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
7091
7092         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
7093         * dwarf2out.c (add_data_member_location_attribute): Check for
7094         TREE_BINFO.
7095         * tree.c (tree_node_kinds): Add "binfos".
7096         (binfo_lang_slots): New.
7097         (make_node_stat): Add TREE_BINFO.
7098         (make_tree_binfo_stat): New.
7099         (tree_node_structure): Add TREE_BINFO.
7100         * tree.def (TREE_BINFO): New.
7101         * tree.h (REC_OR_UNION_CHECK): Rename to ...
7102         (RECORD_OR_UNION_CHECK): ... here.
7103         (NOT_RECORD_OR_UNION_CHECK): New.
7104         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
7105         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
7106         RECORD_OR_UNION_CHECK.
7107         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
7108         (TYPE_LANG_SLOT_1): New.
7109         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
7110         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
7111         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
7112         (BINFO_ELTS): Remove.
7113         (BINFO_LANG_SLOT): New.
7114         (struct tree_binfo): New.
7115         (binfo_lang_slots): Declare.
7116         (enum tree_node_structure_enum): Add TS_BINFO.
7117         (union tree_node): Add binfo.
7118         (make_tree_binfo_stat): Declare.
7119         (make_tree_binfo): New.
7120         (enum tree_node_kind): Add binfo_kind.
7121
7122         * objc/objc-act.c (start_class, objc_declare_protocols,
7123         start_protocols): Use TYPE_LANG_SLOT_1.
7124         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
7125         to ...
7126         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
7127         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
7128         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
7129         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
7130
7131 2004-07-05  Steven Bosscher  <stevenb@suse.de>
7132
7133         * rtl.h (struct rtx_def): Remove the integrated flag.
7134         Use the return_val flag for MEM_SCALAR_P.
7135         Reshuffle and update flags in CLEAR_RTX_FLAGS.
7136
7137 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
7138
7139         PR target/16357
7140         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
7141         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
7142         move_by_pieces.
7143
7144 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
7145
7146         * var-tracking.c: Fix some comments.
7147         (frame_stack_adjust): New.
7148         (vt_stack_adjustments): Init stack_adjust of entry block to
7149         minus stack adjustment of function prologue.
7150         (adjust_stack_reference): Do not adjust if adjustment == 0.
7151         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
7152         (emit_notes_in_bb): Likewise.
7153         (vt_add_function_parameters): Do not adjust locations of
7154         function arguments.
7155         (vt_initialize): Compute the stack adjustment of function
7156         prologue and offset the initial "location" of frame_base_decl
7157         from the stack pointer after prologue.
7158
7159 2004-07-04  Richard Henderson  <rth@redhat.com>
7160
7161         * function.c (struct assign_parm_data_all): New.
7162         (struct assign_parm_data_one): New.
7163         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
7164         assign_parm_find_data_types, assign_parms_setup_varargs,
7165         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
7166         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
7167         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
7168         assign_parm_setup_block, assign_parm_setup_reg,
7169         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
7170         (assign_parms): ... here.
7171
7172 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
7173
7174         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
7175         now are bitmap_set_t's.
7176         (bitmap_insert_into_set): No point in inserting the value if
7177         it's invariant.
7178         (bitmap_set_contains): New function.
7179         (bitmap_set_replace_value): Add comment on why we do it
7180         this way.
7181         (set_contains): Removed.
7182         (bitmap_set_subtract_from_value_set): New name of
7183         set_subtract now that it's arguments are two different
7184         types of sets.
7185         Update callers.
7186         (bitmap_find_leader): Change algorithm used.
7187         (find_or_generate_expression): Update use of functions for new
7188         bitmap sets.
7189         (create_expression_by_pieces): Ditto.
7190         (insert_aux): Ditto.
7191         (insert): Ditto.
7192         (add_to_sets): Ditto.
7193         (init_pre): Ditto.
7194         (execute_pre): Ditto.
7195         (compute_avail): Ditto.
7196         Also ignore virtual phis.
7197
7198 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
7199
7200         * combine.c (simplify_comparison): Fix comment typo.
7201
7202 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7203
7204         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
7205         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
7206         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
7207         (output_restore): Change parameter from 'insn' to 'pat'.
7208         (output_return): Adjust call to output_restore.
7209         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
7210         Adjust call to output_restore.
7211
7212 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
7213
7214         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
7215         and assert system is bsd.
7216
7217 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
7218
7219         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
7220         (TARGET_SWITCHES): Remove -mdebugc.
7221         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
7222         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
7223         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
7224         (sle_[sd]i_reg): Delete.
7225
7226 2004-07-04  Steven Bosscher  <stevenb@suse.de>
7227
7228         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
7229         Define.
7230         * config/iq2000/iq2000.md: Translate old pipeline description to an
7231         equivalent new one.
7232
7233 2004-07-04  Roger Sayle  <roger@eyesopen.com>
7234
7235         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
7236         Ensure the replacement rhs is valid gimple before performing
7237         the substitution.  Return false if these sanity checks fail.
7238         (fold_stmt): Only set changed to true, if set_rhs returns true.
7239         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
7240         succeeds.
7241
7242 2004-07-04  Richard Henderson  <rth@redhat.com>
7243
7244         PR c/16348
7245         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
7246
7247 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
7248
7249         * configure.ac (ranlib_flags): New variable.
7250         * Makefile.in (RANLIB_FLAGS): New variable.
7251         (libbackend.a): Use it.
7252         * configure: Regenerated.
7253
7254 2004-07-04  Roger Sayle  <roger@eyesopen.com>
7255
7256         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
7257         a "sign mask" instead of using ashr_optab directly.
7258
7259 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
7260
7261         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
7262         * doc/cppopts.texi: Clarify processing of command-line defines.
7263
7264 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
7265
7266         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
7267
7268 2004-07-04  Richard Henderson  <rth@redhat.com>
7269
7270         * rtl.def (ADDRESSOF): Remove.
7271         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
7272         (find_base_term, memrefs_conflict_p): Likewise.
7273         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
7274         (fold_rtx, cse_insn, set_live_p): Likewise.
7275         * dwarf2out.c (mem_loc_descriptor): Likewise.
7276         (add_location_or_const_value_attribute): Likewise.
7277         * emit-rtl.c (copy_insn_1): Likewise.
7278         * explow.c (memory_address): Likewise.
7279         * expmed.c (store_split_bit_field): Likewise.
7280         * expr.c (expand_expr_real_1): Likewise.
7281         * function.c (instantiate_decl
7282         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
7283         * genrecog.c (preds, validate_pattern): Likewise.
7284         * integrate.c (copy_rtx_and_substitute): Likewise.
7285         * recog.c (general_operand, register_operand): Likewise.
7286         (memory_address_p): Likwise.
7287         * reload1.c (eliminate_regs, elimination_effects): Likewise.
7288         * rtl.c (copy_rtx): Likewise.
7289         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7290         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
7291         * rtlhooks.c (gen_lowpart_general): Likewise.
7292         * stmt.c (expand_asm_operands): Likewise.
7293         * web.c (entry_register, replace_ref, web_main): Likewise.
7294         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
7295         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7296         * config/arm/arm.c (thumb_rtx_costs): Likewise.
7297         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
7298         * config/frv/frv.c (move_destination_operand, move_source_operand,
7299         condexec_dest_operand, condexec_source_operand,
7300         condexec_memory_operand): Likewise.
7301         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
7302         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
7303         (destination_xfmode_operand): Likewise.
7304         * config/mips/mips.h (PREDICATE_CODES): Likewise.
7305         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
7306         * config/s390/s390.c (general_s_operand): Likewise.
7307         * config/s390/s390.md (mov*): Likewise.
7308         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
7309
7310         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
7311         * expr.c (expand_expr_real_1): Likewise.
7312         * stmt.c (expand_decl): Likewise.
7313         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7314
7315         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
7316         postponed_insns, put_var_into_stack, put_reg_into_stack,
7317         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
7318         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
7319         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
7320         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
7321         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
7322         purge_bitfield_addressof_replacements, purge_addressof_replacements,
7323         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
7324         struct insns_for_mem_walk_info, insns_for_mem_walk,
7325         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
7326         setjmp_protect_args): Remove.
7327         (push_function_context_to): Don't handle var_refs_queue.
7328         (pop_function_context_from, free_after_compilation): Likewise.
7329         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
7330         (assign_parms, allocate_struct_function): Likewise.
7331         (use_register_for_decl): New.
7332         (expand_function_end): Don't setjmp_protect.
7333         * function.h (struct emit_status): Update commentary.
7334         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
7335         (max_parm_reg, parm_reg_stack_loc): Remove.
7336         * passes.c (DFI_addressof): Remove.
7337         (dump_file_info): Remove addressof.
7338         (rest_of_handle_addressof): Remove.
7339         (rest_of_compilation): Don't call it.
7340         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
7341         * stmt.c (expand_decl): Use use_register_for_decl.
7342         * tree.h: Update decls.
7343         * web.c (mark_addressof): Remove.
7344         * doc/invoke.texi (-dF): Remove.
7345
7346 2004-07-03  Richard Henderson  <rth@redhat.com>
7347
7348         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
7349         instead of gen_mem_addressof.
7350         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
7351         TImode output register.
7352
7353 2004-07-03  Richard Henderson  <rth@redhat.com>
7354
7355         PR tree-optimization/16341
7356         * tree-sra.c (sra_walk_function): Increment to next stmt before
7357         processing the current stmt.
7358         (sra_insert_after): Always use BSI_SAME_STMT.
7359
7360 2004-07-03  Richard Henderson  <rth@redhat.com>
7361
7362         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
7363         fp plus with minus.
7364
7365 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
7366
7367         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
7368         with tree_int_cst_equal.
7369
7370 2004-07-03  Andreas Schwab  <schwab@suse.de>
7371
7372         * config/ia64/ia64.md: Define new attribute "empty".
7373         (prologue_use, nop_x, insn_group_barrier): Set it.
7374
7375         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
7376         skip over "empty" insns.
7377
7378 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7379
7380         * tree-inline.c (initialize_inlined_parameters): Pass proper function
7381         context to gimplify_body.
7382         (walk_tree): Don't walk into types twice.
7383         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
7384
7385         * tree-sra.c (generate_element_init): Remove any useless conversions.
7386
7387         * gimplify.c (gimplify_conversion): Remove stripping useless
7388         conversions from here.
7389         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
7390         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
7391         Unshare before substituting PLACEHOLDER_EXPR.
7392         (gimplify_modify_expr_to_memset): Likewise.
7393         Pass address of TO to memset, not TO itself.
7394         (gimplify_init_constructor): Make copy of OBJECT so we have it each
7395         time we make an expression (to match a PLACEHOLDER_EXPR).
7396
7397         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
7398         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
7399         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
7400         * tree-ssa-dom.c (local_fold): Likewise.
7401
7402         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
7403         * langhooks.h (strct lang_hooks): New field type_max_size.
7404         * function.c (assign_temp): Call it.
7405
7406 2004-07-03  Steven Bosscher  <stevenb@suse.de>
7407
7408         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
7409         * config/sh/sh.md: Convert the SH1 pipeline description to
7410         a DFA model.
7411
7412 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
7413
7414         * c-decl.c (struct c_binding): Remove contour field; add
7415         depth, invisible, nested fields.
7416         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
7417         (B_IN_EXTERNAL_SCOPE): New convenience macros.
7418         (bind): Add invisible and nested arguments. Initialize
7419         new fields of struct c_binding; adjust loop scanning for
7420         insertion point.
7421         (free_binding_and_advance): Clear structure with memset.
7422         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
7423         in file scope, even if it's in external scope too.
7424         (pushdecl): Adjust to match.  Create invisible file-scope
7425         declarations for block-scope forward declarations of static functions.
7426         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
7427         (undeclared_variable, lookup_label, declare_label, define_label)
7428         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
7429         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
7430         (store_parm_decls_oldstyle): Adjust to match.
7431         (diagnose_mismatched_decls): Correct handling of linkage clashes.
7432         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
7433
7434         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
7435         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
7436
7437 2004-07-02  Richard Henderson  <rth@redhat.com>
7438
7439         * c-decl.c (grokdeclarator): Don't frob current_function_decl
7440         around variable_size.
7441         (set_decl_nonlocal): Remove.
7442         (store_parm_decls): Add stmts for pending sizes.
7443         * calls.c (calls_function, calls_function_1): Remove.
7444         (precompute_arguments): Don't call it.
7445         * cfgexpand.c (set_save_expr_context): Remove.
7446         (tree_expand_cfg): Don't call it.
7447         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
7448         (dwarf2out_finish): Likewise.
7449         * expr.c (emit_block_move): Adjust addresses to BLKmode.
7450         (store_constructor): Don't pre-evaluate SAVE_EXPR.
7451         (safe_from_p): Don't queue SAVE_EXPRs.
7452         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
7453         or build plain VAR_DECLs.
7454         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
7455         (fold): Likewise.
7456         (fold_checksum_tree): Don't special-case SAVE_EXPR.
7457         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
7458         (put_var_into_stack): Don't handle SAVE_EXPR.
7459         (gen_mem_addressof): Likewise.
7460         * function.h (struct function): Remove x_save_expr_regs.
7461         (save_expr_regs): Remove.
7462         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
7463         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
7464         * stor-layout.c (variable_size): Don't set it.
7465         (force_type_save_exprs, force_type_save_exprs_1): Remove.
7466         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
7467         all callers.  Don't set SAVE_EXPR_CONTEXT.
7468         * tree-inline.h (remap_save_expr): Update decl.
7469         * tree.c (save_expr): Update build size.
7470         (first_rtl_op): Don't handle SAVE_EXPR.
7471         (unsave_expr_1, contains_placeholder_p): Likewise.
7472         (decl_function_context): Likewise.
7473         * tree.def (SAVE_EXPR): Remove args 1 and 2.
7474         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
7475         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
7476
7477 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
7478
7479         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
7480         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
7481         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
7482         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
7483         some first-person references and patronizing comments.  Based on
7484         printed manual.
7485         * doc/invoke.texi: Don't reference fortran@gnu.org.
7486         * doc/trouble.texi (Warning when a non-void function value is
7487         ignored): Rewrite.  From Russ Allbery and Chris Devers.
7488
7489 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
7490
7491         * tree-ssa-pre.c (bitmap_set_t): New.
7492         (bb_value_sets): avail_out is now a bitmap_set_t.
7493         (bitmap_find_leader): New function.
7494         (bitmap_value_insert_into_set): Ditto.
7495         (bitmap_set_copy): Ditto.
7496         (bitmap_value_replace_in_set): Ditto.
7497         (bitmap_set_contains_value): Ditto.
7498         (bitmap_set_new): Ditto.
7499         (bitmap_set_pool): New pool.
7500         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
7501         (insert_aux): Ditto.
7502         (add_to_sets): Ditto.
7503         (compute_avail): Ditto
7504         (eliminate): Ditto.
7505         (init_pre): Ditto.
7506         (fini_pre): Ditto.
7507         (execute_pre): Ditto.
7508
7509 2004-07-02  Roger Sayle  <roger@eyesopen.com>
7510
7511         * config/rs6000/rs6000.c (struct processor_costs): New structure
7512         used to hold instruction latencies/sizes for processor types.
7513         (rs6000_cost): New global variable pointing to current CPU's costs.
7514         (rs6000_override_options): Initialize rs6000_cost to point to the
7515         appropriate cost table based upon rs6000_cpu and optimize_size.
7516         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
7517         timings inline.
7518
7519 2004-07-02  Richard Henderson  <rth@redhat.com>
7520
7521         * expmed.c (make_tree): Don't use SET_DECL_RTL.
7522
7523 2004-07-02  Steven Bosscher  <stevenb@suse.de>
7524
7525         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
7526
7527 2004-07-01  Richard Henderson  <rth@redhat.com>
7528
7529         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
7530         (alpha_gp_save_rtx): Use assign_stack_local instead of
7531         gen_mem_addressof.
7532
7533 2004-07-01  Richard Henderson  <rth@redhat.com>
7534
7535         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
7536         (alpha_rtx_cost_data): Update to match.
7537         (alpha_rtx_cost_size): New.
7538         (alpha_rtx_costs): Honor optimize_size.
7539
7540 2004-07-01  Richard Henderson  <rth@redhat.com>
7541
7542         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
7543         * cfgexpand.c (tree_expand_cfg): Do it here.
7544         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
7545         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
7546         * config/mips/mips.c (mips_output_mi_thunk): And here.
7547         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
7548         * config/sh/sh.c (sh_output_mi_thunk): And here.
7549         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
7550
7551 2004-07-01  Richard Henderson  <rth@redhat.com>
7552
7553         * tree.def (RTL_EXPR): Remove.
7554         * c-typeck.c (lvalue_p): Don't handle it.
7555         * expr.c (safe_from_p): Likewise.
7556         (expand_expr_real_1): Likewise.
7557         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
7558         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
7559         * gengtype.c (adjust_field_tree_exp): Likewise.
7560         * stmt.c (warn_if_unused_value): Likewise.
7561         * tree-gimple.c (recalculate_side_effects): Likewise.
7562         * tree-pretty-print.c (dump_generic_node): Likewise.
7563         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
7564         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
7565         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
7566
7567         * stmt.c (struct stmt_status): Remove x_last_expr_type,
7568         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
7569         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
7570         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
7571         all the bits that tracked last_expr.
7572         (expand_end_bindings): Don't track last_expr.
7573         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
7574         (clear_last_expr): Remove.
7575         (expand_asm): Don't call it.
7576         (expand_asm_operands, expand_end_cond): Likewise.
7577         (expand_naked_return, expand_null_return_1): Likewise.
7578         * c-typeck.c (c_begin_compound_stmt): Likewise.
7579         * cfgexpand.c (expand_block): Use expand_expr_stmt.
7580         * expr.c (expand_expr_real_1): Likewise.
7581         * tree.h: Update prototypes.
7582
7583         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
7584         (struct emit_status): Remove sequence_rtl_expr.
7585         (struct function): Remove x_rtl_expr_chain.
7586         (seq_rtl_expr, rtl_expr_chain): Remove.
7587         * function.c (struct temp_slot): Remove rtl_expr.
7588         (assign_stack_temp_for_type): Don't set it.
7589         (free_temp_slots, pop_temp_slots): Don't check it.
7590         (free_after_compilation): Don't clear x_rtl_expr_chain.
7591         (fixup_var_refs): Don't search it.
7592         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
7593         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
7594         or seq_rtl_expr.
7595         (push_topmost_sequence): Likewise.
7596         (end_sequence, init_emit): Likewise.
7597         (start_sequence_for_rtl_expr): Remove.
7598         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
7599         * rtl.h (preserve_rtl_expr_result): Remove.
7600
7601 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
7602
7603         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
7604         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
7605         typos.
7606
7607 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7608
7609         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
7610         (STANDARD_STARTFILE_PREFIX_2): Define.
7611         (standard_startfile_prefix_1): Initialize to
7612         STANDARD_STARTFILE_PREFIX_1.
7613         (standard_startfile_prefix_2): Initialize to
7614         STANDARD_STARTFILE_PREFIX_2.
7615         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
7616         (STANDARD_STARTFILE_PREFIX_1): Define.
7617         (STANDARD_STARTFILE_PREFIX_2): Define.
7618         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
7619         (STANDARD_STARTFILE_PREFIX_2): Document.
7620
7621 2004-07-01  Richard Henderson  <rth@redhat.com>
7622
7623         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
7624         in order to disable scalarization.  Instead set a flag and wait
7625         for a candidate decl.
7626
7627 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
7628
7629         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
7630         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
7631         Use terminology "testsuite" and "enumerated".
7632
7633 2004-07-01  Richard Henderson  <rth@redhat.com>
7634
7635         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
7636         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
7637         (initial_return_save): Likewise.
7638         (flush_queued_reg_saves): Remap register numbers.
7639         (dwarf2out_return_reg): Likewise.
7640
7641 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7642
7643         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
7644
7645         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
7646         access functions for lower bound and element size and only output
7647         if lower bound nonzero or element size not same as that of type.
7648         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
7649
7650 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7651
7652         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
7653
7654 2004-07-01  Per Bothner  <per@bothner.com>
7655
7656         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
7657
7658 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
7659
7660         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
7661         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
7662         first operand.  Don't optimize if the bitfield is volatile.
7663
7664 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7665
7666         * c-pretty-print.c (pp_c_postfix_expression): Handle
7667         floating-point comparison operators.
7668         (pp_c_expression): Pass floating-point comparison
7669         operators to pp_c_postfix_expression.
7670
7671 2004-07-01  Roger Sayle  <roger@eyesopen.com>
7672
7673         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
7674         rtx_cost instead of "had_mult" to determine whether the transformed
7675         expression is cheaper than the original.
7676
7677 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
7678
7679         * alias.c (get_alias_set, canon_rtx, get_addr,
7680         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
7681         Use MEM_P.
7682         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
7683         expand_builtin): Likewise.
7684         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
7685         Likewise.
7686         * combine.c (can_combine_p, combinable_i3pat, try_combine,
7687         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
7688         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
7689         record_dead_and_set_regs_1, get_last_value_validate,
7690         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
7691         * cse.c (check_dependence, canon_hash, equiv_constant,
7692         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
7693         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
7694         count_reg_usage): Likewise.
7695         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
7696         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
7697         cselib_record_sets): Likewise.
7698         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
7699         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
7700         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
7701         * df.c (df_uses_record): Likewise.
7702         * dojump (do_jump): Likewise.
7703         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
7704         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
7705         decl_start_label): Likewise.
7706         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
7707         operand_subword, change_address_1, make_safe_from): Likewise.
7708         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
7709         stabilize, force_not_mem): Likewise.
7710         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
7711         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
7712         * expr.c (convert_move, convert_modes, emit_block_move,
7713         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
7714         emit_move_insn_1, expand_assignment, store_expr,
7715         store_constructor_field, store_constructor, store_field,
7716         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
7717         Likewise.
7718         * final.c (cleanup_subreg_operands, alter_subreg,
7719         get_mem_expr_from_op): Likewise.
7720         * flow.c (notice_stack_pointer_modification_1,
7721         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
7722         Likewise.
7723         * function.c (mark_temp_addr_taken, preserve_temp_slots,
7724         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
7725         optimize_bit_field, flush_addressof, purge_addressof_1,
7726         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
7727         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
7728         keep_stack_depressed): Likewise.
7729         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
7730         noce_process_if_block, find_memory): Likewise.
7731         * integrate.c (subst_constants, allocate_initial_values): Likewise.
7732         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
7733         update_equiv_regs): Likewise.
7734         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
7735         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
7736         * optabs.c (expand_abs, emit_unop_insn): Likewise.
7737         * passes.c (rest_of_handle_final): Likewise.
7738         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
7739         move2add_note_store): Likewise.
7740         * ra-build.c (detect_remat_webs): Likewise.
7741         * ra-debug.c (dump_static_insn_cost): Likewise.
7742         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
7743         * recog.c (validate_change, apply_change_group, cancel_changes,
7744         validate_replace_rtx_1, general_operand, register_operand,
7745         nonmemory_operand, push_operand, pop_operand, memory_operand,
7746         indirect_operand, asm_operand_ok, offsettable_memref_p,
7747         offsettable_nonstrict_memref_p, constrain_operands,
7748         store_data_bypass_p): Likewise.
7749         * reg-stack.c (subst_stack_regs_pat): Likewise.
7750         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
7751         copy_cost, reg_scan_mark_refs): Likewise.
7752         * regmove.c (optimize_reg_copy_3, stack_memref_p,
7753         combine_stack_adjustments_for_block): Likewise.
7754         * regrename.c (copyprop_hardreg_forward_1): Likewise.
7755         * reload.c (can_reload_into, push_reload, decompose, immune_p,
7756         find_reloads, find_reloads_address, find_reloads_address_1,
7757         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
7758         find_equiv_reg): Likewise.
7759         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
7760         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
7761         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
7762         delete_address_reloads): Likewise.
7763         * resource.c (mark_referenced_resources): Likewise.
7764         * rtlanal.c (get_jump_table_offset, count_occurrences,
7765         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
7766         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
7767         num_sign_bit_copies1): Likewise.
7768         * rtlhooks.c (gen_lowpart_general): Likewise.
7769         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
7770         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
7771         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
7772         sdbout_global_decl): Likewise.
7773         * simplify-rtx.c (simplify_subreg): Likewise.
7774         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
7775         expand_anon_union_decl, expand_end_case_type): Likewise.
7776         * unroll.c (calculate_giv_inc): Likewise.
7777         * var-tracking.c (stack_adjust_offset_pre_post,
7778         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
7779         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
7780         vt_add_function_parameters): Likewise.
7781         * varasm.c (make_var_volatile, notice_global_symbol,
7782         assemble_external, decode_addr_const, mark_weak,
7783         default_encode_section_info): Likewise.
7784
7785 2004-07-01  Steven Bosscher  <stevenb@suse.de>
7786
7787         * stmt.c (check_seenlabel): Remove.
7788         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
7789
7790 2004-07-01  Richard Henderson  <rth@redhat.com>
7791
7792         * function.h (struct function): Remove x_function_call_count.
7793         (function_call_count): Remove.
7794         * calls.c (expand_call): Don't set it.
7795         * integrate.c (copy_rtx_and_substitute): Likewise.
7796
7797         * function.h (struct function): Remove x_cleanup_label.
7798         (cleanup_label): Remove.
7799         * stmt.c (expand_value_return): Don't use it.
7800         * function.c (free_after_compilation): Don't set it.
7801         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
7802         * cfgexpand.c (tree_expand_cfg): Update call.
7803         * tree.h (expand_function_start): Update decl.
7804
7805 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
7806
7807         PR c/1027
7808         * c-lang.c (c_initialize_diagnostics): Move from here ...
7809         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
7810         (c_tree_printer): Use pretty-printer to format %T.
7811         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
7812         before '*' if not C++.
7813         (pp_c_direct_abstract_declarator): Don't try to print array upper
7814         bound for flexible array members.
7815         * c-tree.h: Include "diagnostic.h".
7816         (c_initialize_diagnostics): Declare.
7817         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
7818         * c-format.c (format_type_warning): New function.  Improve
7819         diagnostics for incorrect format argument types.
7820         (check_format_types): Use it.  Add two parameters.  Use the
7821         TYPE_MAIN_VARIANT of wanted_type.
7822         (check_format_info_main): Pass new parameters to
7823         check_format_types.
7824         (struct format_wanted_type): Update comment.
7825
7826 2004-07-01  Nick Clifton  <nickc@redhat.com>
7827
7828         * target.h (struct gcc_target): Add new field to struct cxx:
7829         import_export_class.
7830         * target-def.h (TARGET_CXX): Initialise the new field.
7831         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
7832         the new field.
7833         * doc/tm.texi: Document the new target hook.
7834
7835 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7836
7837         * builtins.c (fold_builtin_classify): Fix typo.
7838
7839 2004-07-01  Richard Henderson  <rth@redhat.com>
7840
7841         * function.c (identify_blocks, identify_blocks_1): Remove.
7842         * function.h (identify_blocks): Remove.
7843         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
7844
7845 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7846
7847         * builtins.c (fold_builtin_classify): New.
7848         (fold_builtin_unordered_cmp): Fix commentary.
7849         (fold_builtin): Use it.
7850         * builtins.def: Define builtins for isnan,
7851         isnanf, isnanl, finite, finitef, finitel,
7852         isinf, isinff, isinfl.
7853
7854 2004-07-01  Richard Henderson  <rth@redhat.com>
7855
7856         * function.h (struct function): Remove dont_emit_block_notes.
7857         * gimple-low.c (lower_function_body): Don't set it.
7858         * cfgexpand.c (expand_block): Don't check it.
7859         * cfglayout.c (insn_locators_initialize): Likewise.
7860         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
7861         * passes.c (rest_of_compilation): Likewise.
7862         * stmt.c (expand_start_bindings_and_block): Likewise.
7863         (expand_end_bindings): Likewise.
7864
7865 2004-07-01  Richard Henderson  <rth@redhat.com>
7866
7867         * cgraph.h (cgraph_build_static_cdtor): Declare.
7868         * cgraphunit.c (cgraph_build_static_cdtor): New.
7869         * c-objc-common.c (build_cdtor): Use it.
7870         * coverage.c (create_coverage): Likewise.
7871         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
7872         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
7873
7874 See ChangeLog.11 for earlier changes.