OSDN Git Service

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